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| author | Ingo Molnar <mingo@kernel.org> | 2020-10-09 08:55:17 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2020-10-09 08:55:17 +0200 |
| commit | e705d397965811ac528d7213b42d74ffe43caf38 (patch) | |
| tree | 8a5bbe85cc42e64992b97859976e307027f83e33 | |
| parent | d89d5f855f84ccf3f7e648813b4bb95c780bd7cd (diff) | |
| parent | baffd723e44dc3d7f84f0b8f1fe1ece00ddd2710 (diff) | |
| download | linux-e705d397965811ac528d7213b42d74ffe43caf38.tar.gz | |
Merge branch 'locking/urgent' into locking/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2487 files changed, 19532 insertions, 11305 deletions
diff --git a/.clang-format b/.clang-format index a0a96088c74f49..badfc1ba440afc 100644 --- a/.clang-format +++ b/.clang-format @@ -111,6 +111,7 @@ ForEachMacros: - 'css_for_each_descendant_pre' - 'device_for_each_child_node' - 'dma_fence_chain_for_each' + - 'do_for_each_ftrace_op' - 'drm_atomic_crtc_for_each_plane' - 'drm_atomic_crtc_state_for_each_plane' - 'drm_atomic_crtc_state_for_each_plane_state' @@ -136,6 +137,7 @@ ForEachMacros: - 'for_each_active_dev_scope' - 'for_each_active_drhd_unit' - 'for_each_active_iommu' + - 'for_each_aggr_pgid' - 'for_each_available_child_of_node' - 'for_each_bio' - 'for_each_board_func_rsrc' @@ -234,6 +236,7 @@ ForEachMacros: - 'for_each_node_state' - 'for_each_node_with_cpus' - 'for_each_node_with_property' + - 'for_each_nonreserved_multicast_dest_pgid' - 'for_each_of_allnodes' - 'for_each_of_allnodes_from' - 'for_each_of_cpu_node' @@ -256,6 +259,7 @@ ForEachMacros: - 'for_each_pci_dev' - 'for_each_pci_msi_entry' - 'for_each_pcm_streams' + - 'for_each_physmem_range' - 'for_each_populated_zone' - 'for_each_possible_cpu' - 'for_each_present_cpu' @@ -265,6 +269,8 @@ ForEachMacros: - 'for_each_process_thread' - 'for_each_property_of_node' - 'for_each_registered_fb' + - 'for_each_requested_gpio' + - 'for_each_requested_gpio_in_range' - 'for_each_reserved_mem_region' - 'for_each_rtd_codec_dais' - 'for_each_rtd_codec_dais_rollback' @@ -278,12 +284,17 @@ ForEachMacros: - 'for_each_sg' - 'for_each_sg_dma_page' - 'for_each_sg_page' + - 'for_each_sgtable_dma_page' + - 'for_each_sgtable_dma_sg' + - 'for_each_sgtable_page' + - 'for_each_sgtable_sg' - 'for_each_sibling_event' - 'for_each_subelement' - 'for_each_subelement_extid' - 'for_each_subelement_id' - '__for_each_thread' - 'for_each_thread' + - 'for_each_unicast_dest_pgid' - 'for_each_wakeup_source' - 'for_each_zone' - 'for_each_zone_zonelist' @@ -464,6 +475,7 @@ ForEachMacros: - 'v4l2_m2m_for_each_src_buf' - 'v4l2_m2m_for_each_src_buf_safe' - 'virtio_device_for_each_vq' + - 'while_for_each_ftrace_op' - 'xa_for_each' - 'xa_for_each_marked' - 'xa_for_each_range' diff --git a/.mailmap b/.mailmap index 332c7833057f51..a780211468e4e4 100644 --- a/.mailmap +++ b/.mailmap @@ -169,6 +169,10 @@ Juha Yrjola <juha.yrjola@solidboot.com> Julien Thierry <julien.thierry.kdev@gmail.com> <julien.thierry@arm.com> Kamil Konieczny <k.konieczny@samsung.com> <k.konieczny@partner.samsung.com> Kay Sievers <kay.sievers@vrfy.org> +Kees Cook <keescook@chromium.org> <kees.cook@canonical.com> +Kees Cook <keescook@chromium.org> <keescook@google.com> +Kees Cook <keescook@chromium.org> <kees@outflux.net> +Kees Cook <keescook@chromium.org> <kees@ubuntu.com> Kenneth W Chen <kenneth.w.chen@intel.com> Konstantin Khlebnikov <koct9i@gmail.com> <khlebnikov@yandex-team.ru> Konstantin Khlebnikov <koct9i@gmail.com> <k.khlebnikov@samsung.com> @@ -308,6 +312,7 @@ Tony Luck <tony.luck@intel.com> TripleX Chung <xxx.phy@gmail.com> <triplex@zh-kernel.org> TripleX Chung <xxx.phy@gmail.com> <zhongyu@18mail.cn> Tsuneo Yoshioka <Tsuneo.Yoshioka@f-secure.com> +Tycho Andersen <tycho@tycho.pizza> <tycho@tycho.ws> Uwe Kleine-König <ukleinek@informatik.uni-freiburg.de> Uwe Kleine-König <ukl@pengutronix.de> Uwe Kleine-König <Uwe.Kleine-Koenig@digi.com> diff --git a/Documentation/RCU/lockdep.rst b/Documentation/RCU/lockdep.rst index f1fc8ae3846a40..cc860a0c296be1 100644 --- a/Documentation/RCU/lockdep.rst +++ b/Documentation/RCU/lockdep.rst @@ -49,7 +49,7 @@ checking of rcu_dereference() primitives: is invoked by both RCU-sched readers and updaters. srcu_dereference_check(p, c): Use explicit check expression "c" along with - srcu_read_lock_held()(). This is useful in code that + srcu_read_lock_held(). This is useful in code that is invoked by both SRCU readers and updaters. rcu_dereference_raw(p): Don't check. (Use sparingly, if at all.) diff --git a/Documentation/admin-guide/cgroup-v2.rst b/Documentation/admin-guide/cgroup-v2.rst index 6be43781ec7f3a..baa07b30845e27 100644 --- a/Documentation/admin-guide/cgroup-v2.rst +++ b/Documentation/admin-guide/cgroup-v2.rst @@ -1324,15 +1324,26 @@ PAGE_SIZE multiple when read back. pgmajfault Number of major page faults incurred - workingset_refault - Number of refaults of previously evicted pages + workingset_refault_anon + Number of refaults of previously evicted anonymous pages. - workingset_activate - Number of refaulted pages that were immediately activated + workingset_refault_file + Number of refaults of previously evicted file pages. - workingset_restore - Number of restored pages which have been detected as an active - workingset before they got reclaimed. + workingset_activate_anon + Number of refaulted anonymous pages that were immediately + activated. + + workingset_activate_file + Number of refaulted file pages that were immediately activated. + + workingset_restore_anon + Number of restored anonymous pages which have been detected as + an active workingset before they got reclaimed. + + workingset_restore_file + Number of restored file pages which have been detected as an + active workingset before they got reclaimed. workingset_nodereclaim Number of times a shadow node has been reclaimed diff --git a/Documentation/admin-guide/device-mapper/dm-crypt.rst b/Documentation/admin-guide/device-mapper/dm-crypt.rst index 8f4a3f889d43ee..bc28a9527ee55f 100644 --- a/Documentation/admin-guide/device-mapper/dm-crypt.rst +++ b/Documentation/admin-guide/device-mapper/dm-crypt.rst @@ -67,7 +67,7 @@ Parameters:: the value passed in <key_size>. <key_type> - Either 'logon' or 'user' kernel key type. + Either 'logon', 'user' or 'encrypted' kernel key type. <key_description> The kernel keyring key description crypt target should look for @@ -121,6 +121,14 @@ submit_from_crypt_cpus thread because it benefits CFQ to have writes submitted using the same context. +no_read_workqueue + Bypass dm-crypt internal workqueue and process read requests synchronously. + +no_write_workqueue + Bypass dm-crypt internal workqueue and process write requests synchronously. + This option is automatically enabled for host-managed zoned block devices + (e.g. host-managed SMR hard-disks). + integrity:<bytes>:<type> The device requires additional <bytes> metadata per-sector stored in per-bio integrity structure. This metadata must by provided diff --git a/Documentation/admin-guide/devices.txt b/Documentation/admin-guide/devices.txt index d336f3f73a4c1b..63fd4e6a014bcc 100644 --- a/Documentation/admin-guide/devices.txt +++ b/Documentation/admin-guide/devices.txt @@ -1662,7 +1662,7 @@ 98 block User-mode virtual block device 0 = /dev/ubda First user-mode block device - 16 = /dev/udbb Second user-mode block device + 16 = /dev/ubdb Second user-mode block device ... Partitions are handled in the same way as for IDE diff --git a/Documentation/admin-guide/dynamic-debug-howto.rst b/Documentation/admin-guide/dynamic-debug-howto.rst index e5a8def45f3f8e..6c04aea8f4cd83 100644 --- a/Documentation/admin-guide/dynamic-debug-howto.rst +++ b/Documentation/admin-guide/dynamic-debug-howto.rst @@ -156,7 +156,6 @@ against. Possible keywords are::: ``line-range`` cannot contain space, e.g. "1-30" is valid range but "1 - 30" is not. - ``module=foo`` combined keyword=value form is interchangably accepted The meanings of each keyword are: diff --git a/Documentation/admin-guide/laptops/thinkpad-acpi.rst b/Documentation/admin-guide/laptops/thinkpad-acpi.rst index 5e477869df1829..5fe1ade88c1771 100644 --- a/Documentation/admin-guide/laptops/thinkpad-acpi.rst +++ b/Documentation/admin-guide/laptops/thinkpad-acpi.rst @@ -1434,7 +1434,7 @@ on the feature, restricting the viewing angles. DYTC Lapmode sensor ------------------- +------------------- sysfs: dytc_lapmode diff --git a/Documentation/admin-guide/pm/cpuidle.rst b/Documentation/admin-guide/pm/cpuidle.rst index a96a423e377918..6ebe163f9dfede 100644 --- a/Documentation/admin-guide/pm/cpuidle.rst +++ b/Documentation/admin-guide/pm/cpuidle.rst @@ -690,7 +690,7 @@ which of the two parameters is added to the kernel command line. In the instruction of the CPUs (which, as a rule, suspends the execution of the program and causes the hardware to attempt to enter the shallowest available idle state) for this purpose, and if ``idle=poll`` is used, idle CPUs will execute a -more or less ``lightweight'' sequence of instructions in a tight loop. [Note +more or less "lightweight" sequence of instructions in a tight loop. [Note that using ``idle=poll`` is somewhat drastic in many cases, as preventing idle CPUs from saving almost any energy at all may not be the only effect of it. For example, on Intel hardware it effectively prevents CPUs from using diff --git a/Documentation/admin-guide/pm/intel_pstate.rst b/Documentation/admin-guide/pm/intel_pstate.rst index 7adef969ffeef4..5072e7064d13d5 100644 --- a/Documentation/admin-guide/pm/intel_pstate.rst +++ b/Documentation/admin-guide/pm/intel_pstate.rst @@ -123,7 +123,9 @@ Energy-Performance Bias (EPB) knob (otherwise), which means that the processor's internal P-state selection logic is expected to focus entirely on performance. This will override the EPP/EPB setting coming from the ``sysfs`` interface -(see `Energy vs Performance Hints`_ below). +(see `Energy vs Performance Hints`_ below). Moreover, any attempts to change +the EPP/EPB to a value different from 0 ("performance") via ``sysfs`` in this +configuration will be rejected. Also, in this configuration the range of P-states available to the processor's internal P-state selection logic is always restricted to the upper boundary @@ -564,8 +566,8 @@ Energy-Performance Preference (EPP) knob (if supported) or its Energy-Performance Bias (EPB) knob. It is also possible to write a positive integer value between 0 to 255, if the EPP feature is present. If the EPP feature is not present, writing integer value to this attribute is not -supported. In this case, user can use - "/sys/devices/system/cpu/cpu*/power/energy_perf_bias" interface. +supported. In this case, user can use the +"/sys/devices/system/cpu/cpu*/power/energy_perf_bias" interface. [Note that tasks may by migrated from one CPU to another by the scheduler's load-balancing algorithm and if different energy vs performance hints are diff --git a/Documentation/bpf/ringbuf.rst b/Documentation/bpf/ringbuf.rst index 75f943f0009dfb..6a615cd62bda2f 100644 --- a/Documentation/bpf/ringbuf.rst +++ b/Documentation/bpf/ringbuf.rst @@ -182,9 +182,6 @@ in the order of reservations, but only after all previous records where already committed. It is thus possible for slow producers to temporarily hold off submitted records, that were reserved later. -Reservation/commit/consumer protocol is verified by litmus tests in -Documentation/litmus_tests/bpf-rb/_. - One interesting implementation bit, that significantly simplifies (and thus speeds up as well) implementation of both producers and consumers is how data area is mapped twice contiguously back-to-back in the virtual memory. This @@ -200,7 +197,7 @@ a self-pacing notifications of new data being availability. being available after commit only if consumer has already caught up right up to the record being committed. If not, consumer still has to catch up and thus will see new data anyways without needing an extra poll notification. -Benchmarks (see tools/testing/selftests/bpf/benchs/bench_ringbuf.c_) show that +Benchmarks (see tools/testing/selftests/bpf/benchs/bench_ringbufs.c) show that this allows to achieve a very high throughput without having to resort to tricks like "notify only every Nth sample", which are necessary with perf buffer. For extreme cases, when BPF program wants more manual control of diff --git a/Documentation/devicetree/bindings/arm/bcm/raspberrypi,bcm2835-firmware.yaml b/Documentation/devicetree/bindings/arm/bcm/raspberrypi,bcm2835-firmware.yaml index 17e4f20c8d39bc..6834f5e8df5f08 100644 --- a/Documentation/devicetree/bindings/arm/bcm/raspberrypi,bcm2835-firmware.yaml +++ b/Documentation/devicetree/bindings/arm/bcm/raspberrypi,bcm2835-firmware.yaml @@ -23,7 +23,7 @@ properties: compatible: items: - const: raspberrypi,bcm2835-firmware - - const: simple-bus + - const: simple-mfd mboxes: $ref: '/schemas/types.yaml#/definitions/phandle' @@ -57,7 +57,7 @@ required: examples: - | firmware { - compatible = "raspberrypi,bcm2835-firmware", "simple-bus"; + compatible = "raspberrypi,bcm2835-firmware", "simple-mfd"; mboxes = <&mailbox>; firmware_clocks: clocks { diff --git a/Documentation/devicetree/bindings/crypto/ti,sa2ul.yaml b/Documentation/devicetree/bindings/crypto/ti,sa2ul.yaml index 85ef69ffebed97..1465c9ebaf938c 100644 --- a/Documentation/devicetree/bindings/crypto/ti,sa2ul.yaml +++ b/Documentation/devicetree/bindings/crypto/ti,sa2ul.yaml @@ -67,7 +67,7 @@ examples: main_crypto: crypto@4e00000 { compatible = "ti,j721-sa2ul"; - reg = <0x0 0x4e00000 0x0 0x1200>; + reg = <0x4e00000 0x1200>; power-domains = <&k3_pds 264 TI_SCI_PD_EXCLUSIVE>; dmas = <&main_udmap 0xc000>, <&main_udmap 0x4000>, <&main_udmap 0x4001>; diff --git a/Documentation/devicetree/bindings/display/xlnx/xlnx,zynqmp-dpsub.yaml b/Documentation/devicetree/bindings/display/xlnx/xlnx,zynqmp-dpsub.yaml index 52a939cade3b58..7b9d468c3e52cd 100644 --- a/Documentation/devicetree/bindings/display/xlnx/xlnx,zynqmp-dpsub.yaml +++ b/Documentation/devicetree/bindings/display/xlnx/xlnx,zynqmp-dpsub.yaml @@ -145,10 +145,10 @@ examples: display@fd4a0000 { compatible = "xlnx,zynqmp-dpsub-1.7"; - reg = <0x0 0xfd4a0000 0x0 0x1000>, - <0x0 0xfd4aa000 0x0 0x1000>, - <0x0 0xfd4ab000 0x0 0x1000>, - <0x0 0xfd4ac000 0x0 0x1000>; + reg = <0xfd4a0000 0x1000>, + <0xfd4aa000 0x1000>, + <0xfd4ab000 0x1000>, + <0xfd4ac000 0x1000>; reg-names = "dp", "blend", "av_buf", "aud"; interrupts = <0 119 4>; interrupt-parent = <&gic>; diff --git a/Documentation/devicetree/bindings/dma/xilinx/xlnx,zynqmp-dpdma.yaml b/Documentation/devicetree/bindings/dma/xilinx/xlnx,zynqmp-dpdma.yaml index 5de510f8c88cd4..2a595b18ff6c72 100644 --- a/Documentation/devicetree/bindings/dma/xilinx/xlnx,zynqmp-dpdma.yaml +++ b/Documentation/devicetree/bindings/dma/xilinx/xlnx,zynqmp-dpdma.yaml @@ -57,7 +57,7 @@ examples: dma: dma-controller@fd4c0000 { compatible = "xlnx,zynqmp-dpdma"; - reg = <0x0 0xfd4c0000 0x0 0x1000>; + reg = <0xfd4c0000 0x1000>; interrupts = <GIC_SPI 122 IRQ_TYPE_LEVEL_HIGH>; interrupt-parent = <&gic>; clocks = <&dpdma_clk>; diff --git a/Documentation/devicetree/bindings/gpio/sgpio-aspeed.txt b/Documentation/devicetree/bindings/gpio/sgpio-aspeed.txt index d4d83916c09dd9..be329ea4794f88 100644 --- a/Documentation/devicetree/bindings/gpio/sgpio-aspeed.txt +++ b/Documentation/devicetree/bindings/gpio/sgpio-aspeed.txt @@ -20,8 +20,9 @@ Required properties: - gpio-controller : Marks the device node as a GPIO controller - interrupts : Interrupt specifier, see interrupt-controller/interrupts.txt - interrupt-controller : Mark the GPIO controller as an interrupt-controller -- ngpios : number of GPIO lines, see gpio.txt - (should be multiple of 8, up to 80 pins) +- ngpios : number of *hardware* GPIO lines, see gpio.txt. This will expose + 2 software GPIOs per hardware GPIO: one for hardware input, one for hardware + output. Up to 80 pins, must be a multiple of 8. - clocks : A phandle to the APB clock for SGPM clock division - bus-frequency : SGPM CLK frequency diff --git a/Documentation/devicetree/bindings/interrupt-controller/ti,sci-inta.txt b/Documentation/devicetree/bindings/interrupt-controller/ti,sci-inta.txt deleted file mode 100644 index 7841cb099e1394..00000000000000 --- a/Documentation/devicetree/bindings/interrupt-controller/ti,sci-inta.txt +++ /dev/null @@ -1,66 +0,0 @@ -Texas Instruments K3 Interrupt Aggregator -========================================= - -The Interrupt Aggregator (INTA) provides a centralized machine -which handles the termination of system events to that they can -be coherently processed by the host(s) in the system. A maximum -of 64 events can be mapped to a single interrupt. - - - Interrupt Aggregator - +-----------------------------------------+ - | Intmap VINT | - | +--------------+ +------------+ | - m ------>| | vint | bit | | 0 |.....|63| vint0 | - . | +--------------+ +------------+ | +------+ - . | . . | | HOST | -Globalevents ------>| . . |------>| IRQ | - . | . . | | CTRL | - . | . . | +------+ - n ------>| +--------------+ +------------+ | - | | vint | bit | | 0 |.....|63| vintx | - | +--------------+ +------------+ | - | | - +-----------------------------------------+ - -Configuration of these Intmap registers that maps global events to vint is done -by a system controller (like the Device Memory and Security Controller on K3 -AM654 SoC). Driver should request the system controller to get the range -of global events and vints assigned to the requesting host. Management -of these requested resources should be handled by driver and requests -system controller to map specific global event to vint, bit pair. - -Communication between the host processor running an OS and the system -controller happens through a protocol called TI System Control Interface -(TISCI protocol). For more details refer: -Documentation/devicetree/bindings/arm/keystone/ti,sci.txt - -TISCI Interrupt Aggregator Node: -------------------------------- -- compatible: Must be "ti,sci-inta". -- reg: Should contain registers location and length. -- interrupt-controller: Identifies the node as an interrupt controller -- msi-controller: Identifies the node as an MSI controller. -- interrupt-parent: phandle of irq parent. -- ti,sci: Phandle to TI-SCI compatible System controller node. -- ti,sci-dev-id: TISCI device ID of the Interrupt Aggregator. -- ti,sci-rm-range-vint: Array of TISCI subtype ids representing vints(inta - outputs) range within this INTA, assigned to the - requesting host context. -- ti,sci-rm-range-global-event: Array of TISCI subtype ids representing the - global events range reaching this IA and are assigned - to the requesting host context. - -Example: --------- -main_udmass_inta: interrupt-controller@33d00000 { - compatible = "ti,sci-inta"; - reg = <0x0 0x33d00000 0x0 0x100000>; - interrupt-controller; - msi-controller; - interrupt-parent = <&main_navss_intr>; - ti,sci = <&dmsc>; - ti,sci-dev-id = <179>; - ti,sci-rm-range-vint = <0x0>; - ti,sci-rm-range-global-event = <0x1>; -}; diff --git a/Documentation/devicetree/bindings/interrupt-controller/ti,sci-inta.yaml b/Documentation/devicetree/bindings/interrupt-controller/ti,sci-inta.yaml new file mode 100644 index 00000000000000..c7cd05656a3e9c --- /dev/null +++ b/Documentation/devicetree/bindings/interrupt-controller/ti,sci-inta.yaml @@ -0,0 +1,98 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/interrupt-controller/ti,sci-inta.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Texas Instruments K3 Interrupt Aggregator + +maintainers: + - Lokesh Vutla <lokeshvutla@ti.com> + +allOf: + - $ref: /schemas/arm/keystone/ti,k3-sci-common.yaml# + +description: | + The Interrupt Aggregator (INTA) provides a centralized machine + which handles the termination of system events to that they can + be coherently processed by the host(s) in the system. A maximum + of 64 events can be mapped to a single interrupt. + + Interrupt Aggregator + +-----------------------------------------+ + | Intmap VINT | + | +--------------+ +------------+ | + m ------>| | vint | bit | | 0 |.....|63| vint0 | + . | +--------------+ +------------+ | +------+ + . | . . | | HOST | + Globalevents ------>| . . |----->| IRQ | + . | . . | | CTRL | + . | . . | +------+ + n ------>| +--------------+ +------------+ | + | | vint | bit | | 0 |.....|63| vintx | + | +--------------+ +------------+ | + | | + +-----------------------------------------+ + + Configuration of these Intmap registers that maps global events to vint is + done by a system controller (like the Device Memory and Security Controller + on AM654 SoC). Driver should request the system controller to get the range + of global events and vints assigned to the requesting host. Management + of these requested resources should be handled by driver and requests + system controller to map specific global event to vint, bit pair. + + Communication between the host processor running an OS and the system + controller happens through a protocol called TI System Control Interface + (TISCI protocol). + +properties: + compatible: + const: ti,sci-inta + + reg: + maxItems: 1 + + interrupt-controller: true + + msi-controller: true + + ti,interrupt-ranges: + $ref: /schemas/types.yaml#/definitions/uint32-matrix + description: | + Interrupt ranges that converts the INTA output hw irq numbers + to parents's input interrupt numbers. + items: + items: + - description: | + "output_irq" specifies the base for inta output irq + - description: | + "parent's input irq" specifies the base for parent irq + - description: | + "limit" specifies the limit for translation + +required: + - compatible + - reg + - interrupt-controller + - msi-controller + - ti,sci + - ti,sci-dev-id + - ti,interrupt-ranges + +examples: + - | + bus { + #address-cells = <2>; + #size-cells = <2>; + + main_udmass_inta: msi-controller@33d00000 { + compatible = "ti,sci-inta"; + reg = <0x0 0x33d00000 0x0 0x100000>; + interrupt-controller; + msi-controller; + interrupt-parent = <&main_navss_intr>; + ti,sci = <&dmsc>; + ti,sci-dev-id = <179>; + ti,interrupt-ranges = <0 0 256>; + }; + }; diff --git a/Documentation/devicetree/bindings/interrupt-controller/ti,sci-intr.txt b/Documentation/devicetree/bindings/interrupt-controller/ti,sci-intr.txt deleted file mode 100644 index 178fca08278fee..00000000000000 --- a/Documentation/devicetree/bindings/interrupt-controller/ti,sci-intr.txt +++ /dev/null @@ -1,82 +0,0 @@ -Texas Instruments K3 Interrupt Router -===================================== - -The Interrupt Router (INTR) module provides a mechanism to mux M -interrupt inputs to N interrupt outputs, where all M inputs are selectable -to be driven per N output. An Interrupt Router can either handle edge triggered -or level triggered interrupts and that is fixed in hardware. - - Interrupt Router - +----------------------+ - | Inputs Outputs | - +-------+ | +------+ +-----+ | - | GPIO |----------->| | irq0 | | 0 | | Host IRQ - +-------+ | +------+ +-----+ | controller - | . . | +-------+ - +-------+ | . . |----->| IRQ | - | INTA |----------->| . . | +-------+ - +-------+ | . +-----+ | - | +------+ | N | | - | | irqM | +-----+ | - | +------+ | - | | - +----------------------+ - -There is one register per output (MUXCNTL_N) that controls the selection. -Configuration of these MUXCNTL_N registers is done by a system controller -(like the Device Memory and Security Controller on K3 AM654 SoC). System -controller will keep track of the used and unused registers within the Router. -Driver should request the system controller to get the range of GIC IRQs -assigned to the requesting hosts. It is the drivers responsibility to keep -track of Host IRQs. - -Communication between the host processor running an OS and the system -controller happens through a protocol called TI System Control Interface -(TISCI protocol). For more details refer: -Documentation/devicetree/bindings/arm/keystone/ti,sci.txt - -TISCI Interrupt Router Node: ----------------------------- -Required Properties: -- compatible: Must be "ti,sci-intr". -- ti,intr-trigger-type: Should be one of the following: - 1: If intr supports edge triggered interrupts. - 4: If intr supports level triggered interrupts. -- interrupt-controller: Identifies the node as an interrupt controller -- #interrupt-cells: Specifies the number of cells needed to encode an - interrupt source. The value should be 2. - First cell should contain the TISCI device ID of source - Second cell should contain the interrupt source offset - within the device. -- ti,sci: Phandle to TI-SCI compatible System controller node. -- ti,sci-dst-id: TISCI device ID of the destination IRQ controller. -- ti,sci-rm-range-girq: Array of TISCI subtype ids representing the host irqs - assigned to this interrupt router. Each subtype id - corresponds to a range of host irqs. - -For more details on TISCI IRQ resource management refer: -https://downloads.ti.com/tisci/esd/latest/2_tisci_msgs/rm/rm_irq.html - -Example: --------- -The following example demonstrates both interrupt router node and the consumer -node(main gpio) on the AM654 SoC: - -main_intr: interrupt-controller0 { - compatible = "ti,sci-intr"; - ti,intr-trigger-type = <1>; - interrupt-controller; - interrupt-parent = <&gic500>; - #interrupt-cells = <2>; - ti,sci = <&dmsc>; - ti,sci-dst-id = <56>; - ti,sci-rm-range-girq = <0x1>; -}; - -main_gpio0: gpio@600000 { - ... - interrupt-parent = <&main_intr>; - interrupts = <57 256>, <57 257>, <57 258>, - <57 259>, <57 260>, <57 261>; - ... -}; diff --git a/Documentation/devicetree/bindings/interrupt-controller/ti,sci-intr.yaml b/Documentation/devicetree/bindings/interrupt-controller/ti,sci-intr.yaml new file mode 100644 index 00000000000000..cff6a956afb44e --- /dev/null +++ b/Documentation/devicetree/bindings/interrupt-controller/ti,sci-intr.yaml @@ -0,0 +1,102 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/interrupt-controller/ti,sci-intr.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Texas Instruments K3 Interrupt Router + +maintainers: + - Lokesh Vutla <lokeshvutla@ti.com> + +allOf: + - $ref: /schemas/arm/keystone/ti,k3-sci-common.yaml# + +description: | + The Interrupt Router (INTR) module provides a mechanism to mux M + interrupt inputs to N interrupt outputs, where all M inputs are selectable + to be driven per N output. An Interrupt Router can either handle edge + triggered or level triggered interrupts and that is fixed in hardware. + + Interrupt Router + +----------------------+ + | Inputs Outputs | + +-------+ | +------+ +-----+ | + | GPIO |----------->| | irq0 | | 0 | | Host IRQ + +-------+ | +------+ +-----+ | controller + | . . | +-------+ + +-------+ | . . |----->| IRQ | + | INTA |----------->| . . | +-------+ + +-------+ | . +-----+ | + | +------+ | N | | + | | irqM | +-----+ | + | +------+ | + | | + +----------------------+ + + There is one register per output (MUXCNTL_N) that controls the selection. + Configuration of these MUXCNTL_N registers is done by a system controller + (like the Device Memory and Security Controller on K3 AM654 SoC). System + controller will keep track of the used and unused registers within the Router. + Driver should request the system controller to get the range of GIC IRQs + assigned to the requesting hosts. It is the drivers responsibility to keep + track of Host IRQs. + + Communication between the host processor running an OS and the system + controller happens through a protocol called TI System Control Interface + (TISCI protocol). + +properties: + compatible: + const: ti,sci-intr + + ti,intr-trigger-type: + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [1, 4] + description: | + Should be one of the following. + 1 = If intr supports edge triggered interrupts. + 4 = If intr supports level triggered interrupts. + + interrupt-controller: true + + '#interrupt-cells': + const: 1 + description: | + The 1st cell should contain interrupt router input hw number. + + ti,interrupt-ranges: + $ref: /schemas/types.yaml#/definitions/uint32-matrix + description: | + Interrupt ranges that converts the INTR output hw irq numbers + to parents's input interrupt numbers. + items: + items: + - description: | + "output_irq" specifies the base for intr output irq + - description: | + "parent's input irq" specifies the base for parent irq + - description: | + "limit" specifies the limit for translation + +required: + - compatible + - ti,intr-trigger-type + - interrupt-controller + - '#interrupt-cells' + - ti,sci + - ti,sci-dev-id + - ti,interrupt-ranges + +examples: + - | + main_gpio_intr: interrupt-controller0 { + compatible = "ti,sci-intr"; + ti,intr-trigger-type = <1>; + interrupt-controller; + interrupt-parent = <&gic500>; + #interrupt-cells = <1>; + ti,sci = <&dmsc>; + ti,sci-dev-id = <131>; + ti,interrupt-ranges = <0 360 32>; + }; diff --git a/Documentation/devicetree/bindings/leds/cznic,turris-omnia-leds.yaml b/Documentation/devicetree/bindings/leds/cznic,turris-omnia-leds.yaml index 24ad1446445ea4..fe7fa25877fd20 100644 --- a/Documentation/devicetree/bindings/leds/cznic,turris-omnia-leds.yaml +++ b/Documentation/devicetree/bindings/leds/cznic,turris-omnia-leds.yaml @@ -30,7 +30,7 @@ properties: const: 0 patternProperties: - "^multi-led[0-9a-f]$": + "^multi-led@[0-9a-b]$": type: object allOf: - $ref: leds-class-multicolor.yaml# diff --git a/Documentation/devicetree/bindings/media/i2c/imx274.txt b/Documentation/devicetree/bindings/media/i2c/imx274.txt deleted file mode 100644 index 0727079d241092..00000000000000 --- a/Documentation/devicetree/bindings/media/i2c/imx274.txt +++ /dev/null @@ -1,38 +0,0 @@ -* Sony 1/2.5-Inch 8.51Mp CMOS Digital Image Sensor - -The Sony imx274 is a 1/2.5-inch CMOS active pixel digital image sensor with -an active array size of 3864H x 2202V. It is programmable through I2C -interface. The I2C address is fixed to 0x1a as per sensor data sheet. -Image data is sent through MIPI CSI-2, which is configured as 4 lanes -at 1440 Mbps. - - -Required Properties: -- compatible: value should be "sony,imx274" for imx274 sensor -- reg: I2C bus address of the device - -Optional Properties: -- reset-gpios: Sensor reset GPIO -- clocks: Reference to the input clock. -- clock-names: Should be "inck". -- VANA-supply: Sensor 2.8v analog supply. -- VDIG-supply: Sensor 1.8v digital core supply. -- VDDL-supply: Sensor digital IO 1.2v supply. - -The imx274 device node should contain one 'port' child node with -an 'endpoint' subnode. For further reading on port node refer to -Documentation/devicetree/bindings/media/video-interfaces.txt. - -Example: - sensor@1a { - compatible = "sony,imx274"; - reg = <0x1a>; - #address-cells = <1>; - #size-cells = <0>; - reset-gpios = <&gpio_sensor 0 0>; - port { - sensor_out: endpoint { - remote-endpoint = <&csiss_in>; - }; - }; - }; diff --git a/Documentation/devicetree/bindings/media/i2c/sony,imx274.yaml b/Documentation/devicetree/bindings/media/i2c/sony,imx274.yaml new file mode 100644 index 00000000000000..f697e1a20beb7d --- /dev/null +++ b/Documentation/devicetree/bindings/media/i2c/sony,imx274.yaml @@ -0,0 +1,76 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/media/i2c/sony,imx274.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Sony 1/2.5-Inch 8.51MP CMOS Digital Image Sensor + +maintainers: + - Leon Luo <leonl@leopardimaging.com> + +description: | + The Sony IMX274 is a 1/2.5-inch CMOS active pixel digital image sensor with an + active array size of 3864H x 2202V. It is programmable through I2C interface. + Image data is sent through MIPI CSI-2, which is configured as 4 lanes at 1440 + Mbps. + +properties: + compatible: + const: sony,imx274 + + reg: + const: 0x1a + + reset-gpios: + maxItems: 1 + + clocks: + maxItems: 1 + + clock-names: + const: inck + + vana-supply: + description: Sensor 2.8 V analog supply. + maxItems: 1 + + vdig-supply: + description: Sensor 1.8 V digital core supply. + maxItems: 1 + + vddl-supply: + description: Sensor digital IO 1.2 V supply. + maxItems: 1 + + port: + type: object + description: Output video port. See ../video-interfaces.txt. + +required: + - compatible + - reg + - port + +additionalProperties: false + +examples: + - | + i2c0 { + #address-cells = <1>; + #size-cells = <0>; + + imx274: camera-sensor@1a { + compatible = "sony,imx274"; + reg = <0x1a>; + reset-gpios = <&gpio_sensor 0 0>; + + port { + sensor_out: endpoint { + remote-endpoint = <&csiss_in>; + }; + }; + }; + }; + +... diff --git a/Documentation/devicetree/bindings/mmc/arasan,sdhci.yaml b/Documentation/devicetree/bindings/mmc/arasan,sdhci.yaml index 5887c917d480be..58fe9d02a781a0 100644 --- a/Documentation/devicetree/bindings/mmc/arasan,sdhci.yaml +++ b/Documentation/devicetree/bindings/mmc/arasan,sdhci.yaml @@ -30,9 +30,13 @@ allOf: then: properties: clock-output-names: - items: - - const: clk_out_sd0 - - const: clk_in_sd0 + oneOf: + - items: + - const: clk_out_sd0 + - const: clk_in_sd0 + - items: + - const: clk_out_sd1 + - const: clk_in_sd1 properties: compatible: diff --git a/Documentation/devicetree/bindings/mmc/mtk-sd.txt b/Documentation/devicetree/bindings/mmc/mtk-sd.txt index 0c9cf6a8808c10..26a8f320a15636 100644 --- a/Documentation/devicetree/bindings/mmc/mtk-sd.txt +++ b/Documentation/devicetree/bindings/mmc/mtk-sd.txt @@ -50,6 +50,8 @@ Optional properties: error caused by stop clock(fifo full) Valid range = [0:0x7]. if not present, default value is 0. applied to compatible "mediatek,mt2701-mmc". +- resets: Phandle and reset specifier pair to softreset line of MSDC IP. +- reset-names: Should be "hrst". Examples: mmc0: mmc@11230000 { diff --git a/Documentation/devicetree/bindings/mmc/nvidia,tegra20-sdhci.txt b/Documentation/devicetree/bindings/mmc/nvidia,tegra20-sdhci.txt index 2cf3affa1be705..96c0b1440c9c5f 100644 --- a/Documentation/devicetree/bindings/mmc/nvidia,tegra20-sdhci.txt +++ b/Documentation/devicetree/bindings/mmc/nvidia,tegra20-sdhci.txt @@ -15,8 +15,15 @@ Required properties: - "nvidia,tegra210-sdhci": for Tegra210 - "nvidia,tegra186-sdhci": for Tegra186 - "nvidia,tegra194-sdhci": for Tegra194 -- clocks : Must contain one entry, for the module clock. - See ../clocks/clock-bindings.txt for details. +- clocks: For Tegra210, Tegra186 and Tegra194 must contain two entries. + One for the module clock and one for the timeout clock. + For all other Tegra devices, must contain a single entry for + the module clock. See ../clocks/clock-bindings.txt for details. +- clock-names: For Tegra210, Tegra186 and Tegra194 must contain the + strings 'sdhci' and 'tmclk' to represent the module and + the timeout clocks, respectively. + For all other Tegra devices must contain the string 'sdhci' + to represent the module clock. - resets : Must contain an entry for each entry in reset-names. See ../reset/reset.txt for details. - reset-names : Must include the following entries: @@ -99,7 +106,7 @@ Optional properties for Tegra210, Tegra186 and Tegra194: Example: sdhci@700b0000 { - compatible = "nvidia,tegra210-sdhci", "nvidia,tegra124-sdhci"; + compatible = "nvidia,tegra124-sdhci"; reg = <0x0 0x700b0000 0x0 0x200>; interrupts = <GIC_SPI 14 IRQ_TYPE_LEVEL_HIGH>; clocks = <&tegra_car TEGRA210_CLK_SDMMC1>; @@ -115,3 +122,22 @@ sdhci@700b0000 { nvidia,pad-autocal-pull-down-offset-1v8 = <0x7b>; status = "disabled"; }; + +sdhci@700b0000 { + compatible = "nvidia,tegra210-sdhci"; + reg = <0x0 0x700b0000 0x0 0x200>; + interrupts = <GIC_SPI 14 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&tegra_car TEGRA210_CLK_SDMMC1>, + <&tegra_car TEGRA210_CLK_SDMMC_LEGACY>; + clock-names = "sdhci", "tmclk"; + resets = <&tegra_car 14>; + reset-names = "sdhci"; + pinctrl-names = "sdmmc-3v3", "sdmmc-1v8"; + pinctrl-0 = <&sdmmc1_3v3>; + pinctrl-1 = <&sdmmc1_1v8>; + nvidia,pad-autocal-pull-up-offset-3v3 = <0x00>; + nvidia,pad-autocal-pull-down-offset-3v3 = <0x7d>; + nvidia,pad-autocal-pull-up-offset-1v8 = <0x7b>; + nvidia,pad-autocal-pull-down-offset-1v8 = <0x7b>; + status = "disabled"; +}; diff --git a/Documentation/devicetree/bindings/net/dsa/dsa.txt b/Documentation/devicetree/bindings/net/dsa/dsa.txt index bf7328aba3305f..dab208b5c7c7e0 100644 --- a/Documentation/devicetree/bindings/net/dsa/dsa.txt +++ b/Documentation/devicetree/bindings/net/dsa/dsa.txt @@ -1,4 +1,4 @@ Distributed Switch Architecture Device Tree Bindings ---------------------------------------------------- -See Documentation/devicetree/bindings/net/dsa/dsa.yaml for the documenation. +See Documentation/devicetree/bindings/net/dsa/dsa.yaml for the documentation. diff --git a/Documentation/devicetree/bindings/net/renesas,ravb.txt b/Documentation/devicetree/bindings/net/renesas,ravb.txt index 032b76f14f4fdb..9119f1caf39151 100644 --- a/Documentation/devicetree/bindings/net/renesas,ravb.txt +++ b/Documentation/devicetree/bindings/net/renesas,ravb.txt @@ -21,6 +21,7 @@ Required properties: - "renesas,etheravb-r8a774a1" for the R8A774A1 SoC. - "renesas,etheravb-r8a774b1" for the R8A774B1 SoC. - "renesas,etheravb-r8a774c0" for the R8A774C0 SoC. + - "renesas,etheravb-r8a774e1" for the R8A774E1 SoC. - "renesas,etheravb-r8a7795" for the R8A7795 SoC. - "renesas,etheravb-r8a7796" for the R8A77960 SoC. - "renesas,etheravb-r8a77961" for the R8A77961 SoC. diff --git a/Documentation/devicetree/bindings/spi/brcm,spi-bcm-qspi.txt b/Documentation/devicetree/bindings/spi/brcm,spi-bcm-qspi.txt index f5e518d099f2c2..62d4ed2d7fd79e 100644 --- a/Documentation/devicetree/bindings/spi/brcm,spi-bcm-qspi.txt +++ b/Documentation/devicetree/bindings/spi/brcm,spi-bcm-qspi.txt @@ -23,8 +23,8 @@ Required properties: - compatible: Must be one of : - "brcm,spi-bcm-qspi", "brcm,spi-brcmstb-qspi" : MSPI+BSPI on BRCMSTB SoCs - "brcm,spi-bcm-qspi", "brcm,spi-brcmstb-mspi" : Second Instance of MSPI + "brcm,spi-brcmstb-qspi", "brcm,spi-bcm-qspi" : MSPI+BSPI on BRCMSTB SoCs + "brcm,spi-brcmstb-mspi", "brcm,spi-bcm-qspi" : Second Instance of MSPI BRCMSTB SoCs "brcm,spi-bcm7425-qspi", "brcm,spi-bcm-qspi", "brcm,spi-brcmstb-mspi" : Second Instance of MSPI BRCMSTB SoCs @@ -36,8 +36,8 @@ Required properties: BRCMSTB SoCs "brcm,spi-bcm7278-qspi", "brcm,spi-bcm-qspi", "brcm,spi-brcmstb-mspi" : Second Instance of MSPI BRCMSTB SoCs - "brcm,spi-bcm-qspi", "brcm,spi-nsp-qspi" : MSPI+BSPI on Cygnus, NSP - "brcm,spi-bcm-qspi", "brcm,spi-ns2-qspi" : NS2 SoCs + "brcm,spi-nsp-qspi", "brcm,spi-bcm-qspi" : MSPI+BSPI on Cygnus, NSP + "brcm,spi-ns2-qspi", "brcm,spi-bcm-qspi" : NS2 SoCs - reg: Define the bases and ranges of the associated I/O address spaces. @@ -86,7 +86,7 @@ BRCMSTB SoC Example: spi@f03e3400 { #address-cells = <0x1>; #size-cells = <0x0>; - compatible = "brcm,spi-brcmstb-qspi", "brcm,spi-brcmstb-qspi"; + compatible = "brcm,spi-brcmstb-qspi", "brcm,spi-bcm-qspi"; reg = <0xf03e0920 0x4 0xf03e3400 0x188 0xf03e3200 0x50>; reg-names = "cs_reg", "mspi", "bspi"; interrupts = <0x6 0x5 0x4 0x3 0x2 0x1 0x0>; @@ -149,7 +149,7 @@ BRCMSTB SoC Example: #address-cells = <1>; #size-cells = <0>; clocks = <&upg_fixed>; - compatible = "brcm,spi-brcmstb-qspi", "brcm,spi-brcmstb-mspi"; + compatible = "brcm,spi-brcmstb-mspi", "brcm,spi-bcm-qspi"; reg = <0xf0416000 0x180>; reg-names = "mspi"; interrupts = <0x14>; @@ -160,7 +160,7 @@ BRCMSTB SoC Example: iProc SoC Example: qspi: spi@18027200 { - compatible = "brcm,spi-bcm-qspi", "brcm,spi-nsp-qspi"; + compatible = "brcm,spi-nsp-qspi", "brcm,spi-bcm-qspi"; reg = <0x18027200 0x184>, <0x18027000 0x124>, <0x1811c408 0x004>, @@ -191,7 +191,7 @@ iProc SoC Example: NS2 SoC Example: qspi: spi@66470200 { - compatible = "brcm,spi-bcm-qspi", "brcm,spi-ns2-qspi"; + compatible = "brcm,spi-ns2-qspi", "brcm,spi-bcm-qspi"; reg = <0x66470200 0x184>, <0x66470000 0x124>, <0x67017408 0x004>, diff --git a/Documentation/driver-api/dma-buf.rst b/Documentation/driver-api/dma-buf.rst index 100bfd22726537..13ea0cc0a3fa2e 100644 --- a/Documentation/driver-api/dma-buf.rst +++ b/Documentation/driver-api/dma-buf.rst @@ -179,7 +179,7 @@ DMA Fence uABI/Sync File :internal: Indefinite DMA Fences -~~~~~~~~~~~~~~~~~~~~ +~~~~~~~~~~~~~~~~~~~~~ At various times &dma_fence with an indefinite time until dma_fence_wait() finishes have been proposed. Examples include: diff --git a/Documentation/driver-api/fpga/fpga-bridge.rst b/Documentation/driver-api/fpga/fpga-bridge.rst index 71c5a40da3203d..ccd677ba7d769d 100644 --- a/Documentation/driver-api/fpga/fpga-bridge.rst +++ b/Documentation/driver-api/fpga/fpga-bridge.rst @@ -6,9 +6,9 @@ API to implement a new FPGA bridge * struct :c:type:`fpga_bridge` — The FPGA Bridge structure * struct :c:type:`fpga_bridge_ops` — Low level Bridge driver ops -* :c:func:`devm_fpga_bridge_create()` — Allocate and init a bridge struct -* :c:func:`fpga_bridge_register()` — Register a bridge -* :c:func:`fpga_bridge_unregister()` — Unregister a bridge +* devm_fpga_bridge_create() — Allocate and init a bridge struct +* fpga_bridge_register() — Register a bridge +* fpga_bridge_unregister() — Unregister a bridge .. kernel-doc:: include/linux/fpga/fpga-bridge.h :functions: fpga_bridge diff --git a/Documentation/driver-api/fpga/fpga-mgr.rst b/Documentation/driver-api/fpga/fpga-mgr.rst index 576f1945eacd9c..af5382af1379b8 100644 --- a/Documentation/driver-api/fpga/fpga-mgr.rst +++ b/Documentation/driver-api/fpga/fpga-mgr.rst @@ -104,9 +104,9 @@ API for implementing a new FPGA Manager driver * ``fpga_mgr_states`` — Values for :c:member:`fpga_manager->state`. * struct :c:type:`fpga_manager` — the FPGA manager struct * struct :c:type:`fpga_manager_ops` — Low level FPGA manager driver ops -* :c:func:`devm_fpga_mgr_create` — Allocate and init a manager struct -* :c:func:`fpga_mgr_register` — Register an FPGA manager -* :c:func:`fpga_mgr_unregister` — Unregister an FPGA manager +* devm_fpga_mgr_create() — Allocate and init a manager struct +* fpga_mgr_register() — Register an FPGA manager +* fpga_mgr_unregister() — Unregister an FPGA manager .. kernel-doc:: include/linux/fpga/fpga-mgr.h :functions: fpga_mgr_states diff --git a/Documentation/driver-api/fpga/fpga-programming.rst b/Documentation/driver-api/fpga/fpga-programming.rst index b5484df6ff0f50..f487ad64dfb980 100644 --- a/Documentation/driver-api/fpga/fpga-programming.rst +++ b/Documentation/driver-api/fpga/fpga-programming.rst @@ -6,9 +6,9 @@ Overview The in-kernel API for FPGA programming is a combination of APIs from FPGA manager, bridge, and regions. The actual function used to -trigger FPGA programming is :c:func:`fpga_region_program_fpga()`. +trigger FPGA programming is fpga_region_program_fpga(). -:c:func:`fpga_region_program_fpga()` uses functionality supplied by +fpga_region_program_fpga() uses functionality supplied by the FPGA manager and bridges. It will: * lock the region's mutex @@ -20,8 +20,8 @@ the FPGA manager and bridges. It will: * release the locks The struct fpga_image_info specifies what FPGA image to program. It is -allocated/freed by :c:func:`fpga_image_info_alloc()` and freed with -:c:func:`fpga_image_info_free()` +allocated/freed by fpga_image_info_alloc() and freed with +fpga_image_info_free() How to program an FPGA using a region ------------------------------------- @@ -84,10 +84,10 @@ will generate that list. Here's some sample code of what to do next:: API for programming an FPGA --------------------------- -* :c:func:`fpga_region_program_fpga` — Program an FPGA -* :c:type:`fpga_image_info` — Specifies what FPGA image to program -* :c:func:`fpga_image_info_alloc()` — Allocate an FPGA image info struct -* :c:func:`fpga_image_info_free()` — Free an FPGA image info struct +* fpga_region_program_fpga() — Program an FPGA +* fpga_image_info() — Specifies what FPGA image to program +* fpga_image_info_alloc() — Allocate an FPGA image info struct +* fpga_image_info_free() — Free an FPGA image info struct .. kernel-doc:: drivers/fpga/fpga-region.c :functions: fpga_region_program_fpga diff --git a/Documentation/driver-api/fpga/fpga-region.rst b/Documentation/driver-api/fpga/fpga-region.rst index 0529b2d2231a74..31118a8ba218fa 100644 --- a/Documentation/driver-api/fpga/fpga-region.rst +++ b/Documentation/driver-api/fpga/fpga-region.rst @@ -46,18 +46,18 @@ API to add a new FPGA region ---------------------------- * struct :c:type:`fpga_region` — The FPGA region struct -* :c:func:`devm_fpga_region_create` — Allocate and init a region struct -* :c:func:`fpga_region_register` — Register an FPGA region -* :c:func:`fpga_region_unregister` — Unregister an FPGA region +* devm_fpga_region_create() — Allocate and init a region struct +* fpga_region_register() — Register an FPGA region +* fpga_region_unregister() — Unregister an FPGA region The FPGA region's probe function will need to get a reference to the FPGA Manager it will be using to do the programming. This usually would happen during the region's probe function. -* :c:func:`fpga_mgr_get` — Get a reference to an FPGA manager, raise ref count -* :c:func:`of_fpga_mgr_get` — Get a reference to an FPGA manager, raise ref count, +* fpga_mgr_get() — Get a reference to an FPGA manager, raise ref count +* of_fpga_mgr_get() — Get a reference to an FPGA manager, raise ref count, given a device node. -* :c:func:`fpga_mgr_put` — Put an FPGA manager +* fpga_mgr_put() — Put an FPGA manager The FPGA region will need to specify which bridges to control while programming the FPGA. The region driver can build a list of bridges during probe time @@ -66,11 +66,11 @@ the list of bridges to program just before programming (:c:member:`fpga_region->get_bridges`). The FPGA bridge framework supplies the following APIs to handle building or tearing down that list. -* :c:func:`fpga_bridge_get_to_list` — Get a ref of an FPGA bridge, add it to a +* fpga_bridge_get_to_list() — Get a ref of an FPGA bridge, add it to a list -* :c:func:`of_fpga_bridge_get_to_list` — Get a ref of an FPGA bridge, add it to a +* of_fpga_bridge_get_to_list() — Get a ref of an FPGA bridge, add it to a list, given a device node -* :c:func:`fpga_bridges_put` — Given a list of bridges, put them +* fpga_bridges_put() — Given a list of bridges, put them .. kernel-doc:: include/linux/fpga/fpga-region.h :functions: fpga_region diff --git a/Documentation/driver-api/iio/core.rst b/Documentation/driver-api/iio/core.rst index b0bc0c028cc500..51b21e00239612 100644 --- a/Documentation/driver-api/iio/core.rst +++ b/Documentation/driver-api/iio/core.rst @@ -11,10 +11,10 @@ Industrial I/O Devices ---------------------- * struct :c:type:`iio_dev` - industrial I/O device -* :c:func:`iio_device_alloc()` - allocate an :c:type:`iio_dev` from a driver -* :c:func:`iio_device_free()` - free an :c:type:`iio_dev` from a driver -* :c:func:`iio_device_register()` - register a device with the IIO subsystem -* :c:func:`iio_device_unregister()` - unregister a device from the IIO +* iio_device_alloc() - allocate an :c:type:`iio_dev` from a driver +* iio_device_free() - free an :c:type:`iio_dev` from a driver +* iio_device_register() - register a device with the IIO subsystem +* iio_device_unregister() - unregister a device from the IIO subsystem An IIO device usually corresponds to a single hardware sensor and it @@ -34,17 +34,17 @@ A typical IIO driver will register itself as an :doc:`I2C <../i2c>` or At probe: -1. Call :c:func:`iio_device_alloc()`, which allocates memory for an IIO device. +1. Call iio_device_alloc(), which allocates memory for an IIO device. 2. Initialize IIO device fields with driver specific information (e.g. device name, device channels). -3. Call :c:func:`iio_device_register()`, this registers the device with the +3. Call iio_device_register(), this registers the device with the IIO core. After this call the device is ready to accept requests from user space applications. At remove, we free the resources allocated in probe in reverse order: -1. :c:func:`iio_device_unregister()`, unregister the device from the IIO core. -2. :c:func:`iio_device_free()`, free the memory allocated for the IIO device. +1. iio_device_unregister(), unregister the device from the IIO core. +2. iio_device_free(), free the memory allocated for the IIO device. IIO device sysfs interface ========================== diff --git a/Documentation/fault-injection/nvme-fault-injection.rst b/Documentation/fault-injection/nvme-fault-injection.rst index cdb2e829228e3e..1d4427890d7591 100644 --- a/Documentation/fault-injection/nvme-fault-injection.rst +++ b/Documentation/fault-injection/nvme-fault-injection.rst @@ -3,7 +3,7 @@ NVMe Fault Injection Linux's fault injection framework provides a systematic way to support error injection via debugfs in the /sys/kernel/debug directory. When enabled, the default NVME_SC_INVALID_OPCODE with no retry will be -injected into the nvme_end_request. Users can change the default status +injected into the nvme_try_complete_req. Users can change the default status code and no retry flag via the debugfs. The list of Generic Command Status can be found in include/linux/nvme.h diff --git a/Documentation/features/debug/debug-vm-pgtable/arch-support.txt b/Documentation/features/debug/debug-vm-pgtable/arch-support.txt index 53da483c8326a1..1c49723e753457 100644 --- a/Documentation/features/debug/debug-vm-pgtable/arch-support.txt +++ b/Documentation/features/debug/debug-vm-pgtable/arch-support.txt @@ -22,7 +22,7 @@ | nios2: | TODO | | openrisc: | TODO | | parisc: | TODO | - | powerpc: | ok | + | powerpc: | TODO | | riscv: | ok | | s390: | ok | | sh: | TODO | diff --git a/Documentation/filesystems/affs.rst b/Documentation/filesystems/affs.rst index 7f1a40dce6d3d6..5776cbd5fa5329 100644 --- a/Documentation/filesystems/affs.rst +++ b/Documentation/filesystems/affs.rst @@ -110,13 +110,15 @@ The Amiga protection flags RWEDRWEDHSPARWED are handled as follows: - R maps to r for user, group and others. On directories, R implies x. - - If both W and D are allowed, w will be set. + - W maps to w. - E maps to x. - - H and P are always retained and ignored under Linux. + - D is ignored. - - A is always reset when a file is written to. + - H, S and P are always retained and ignored under Linux. + + - A is cleared when a file is written to. User id and group id will be used unless set[gu]id are given as mount options. Since most of the Amiga file systems are single user systems @@ -128,11 +130,13 @@ Linux -> Amiga: The Linux rwxrwxrwx file mode is handled as follows: - - r permission will set R for user, group and others. + - r permission will allow R for user, group and others. + + - w permission will allow W for user, group and others. - - w permission will set W and D for user, group and others. + - x permission of the user will allow E for plain files. - - x permission of the user will set E for plain files. + - D will be allowed for user, group and others. - All other flags (suid, sgid, ...) are ignored and will not be retained. diff --git a/Documentation/hwmon/abituguru-datasheet.rst b/Documentation/hwmon/abituguru-datasheet.rst index 6d5253e2223ba6..0cd61471d2a22c 100644 --- a/Documentation/hwmon/abituguru-datasheet.rst +++ b/Documentation/hwmon/abituguru-datasheet.rst @@ -68,7 +68,7 @@ See below for all known bank addresses, numbers of sensors in that bank, number of bytes data per sensor and contents/meaning of those bytes. Although both this document and the kernel driver have kept the sensor -terminoligy for the addressing within a bank this is not 100% correct, in +terminology for the addressing within a bank this is not 100% correct, in bank 0x24 for example the addressing within the bank selects a PWM output not a sensor. @@ -155,7 +155,7 @@ After wider testing of the Linux kernel driver some variants of the uGuru have turned up which do not hold 0x08 at DATA within 250 reads after writing the bank address. With these versions this happens quite frequent, using larger timeouts doesn't help, they just go offline for a second or 2, doing some -internal callibration or whatever. Your code should be prepared to handle +internal calibration or whatever. Your code should be prepared to handle this and in case of no response in this specific case just goto sleep for a while and then retry. @@ -331,6 +331,6 @@ the voltage / clock programming out, I tried reading and only reading banks 0-0x30 with the reading code used for the sensor banks (0x20-0x28) and this resulted in a _permanent_ reprogramming of the voltages, luckily I had the sensors part configured so that it would shutdown my system on any out of spec -voltages which proprably safed my computer (after a reboot I managed to +voltages which probably safed my computer (after a reboot I managed to immediately enter the bios and reload the defaults). This probably means that the read/write cycle for the non sensor part is different from the sensor part. diff --git a/Documentation/hwmon/abituguru.rst b/Documentation/hwmon/abituguru.rst index d8243c827de995..cfda60b757ce53 100644 --- a/Documentation/hwmon/abituguru.rst +++ b/Documentation/hwmon/abituguru.rst @@ -17,7 +17,7 @@ Supported chips: Note: The uGuru is a microcontroller with onboard firmware which programs it to behave as a hwmon IC. There are many different revisions of the - firmware and thus effectivly many different revisions of the uGuru. + firmware and thus effectively many different revisions of the uGuru. Below is an incomplete list with which revisions are used for which Motherboards: @@ -33,7 +33,7 @@ Supported chips: sensortype (Volt or Temp) for bank1 sensors, for revision 1 uGuru's this does not always work. For these uGuru's the autodetection can be overridden with the bank1_types module param. For all 3 known - revison 1 motherboards the correct use of this param is: + revision 1 motherboards the correct use of this param is: bank1_types=1,1,0,0,0,0,0,2,0,0,0,0,2,0,0,1 You may also need to specify the fan_sensors option for these boards fan_sensors=5 diff --git a/Documentation/hwmon/abituguru3.rst b/Documentation/hwmon/abituguru3.rst index 514f11f41e8b52..88046d86638579 100644 --- a/Documentation/hwmon/abituguru3.rst +++ b/Documentation/hwmon/abituguru3.rst @@ -13,7 +13,7 @@ Supported chips: Note: The uGuru is a microcontroller with onboard firmware which programs it to behave as a hwmon IC. There are many different revisions of the - firmware and thus effectivly many different revisions of the uGuru. + firmware and thus effectively many different revisions of the uGuru. Below is an incomplete list with which revisions are used for which Motherboards: @@ -24,7 +24,7 @@ Supported chips: - uGuru 3.0.0.0 ~ 3.0.x.x (AW8, AL8, AT8, NI8 SLI, AT8 32X, AN8 32X, AW9D-MAX) - The abituguru3 driver is only for revison 3.0.x.x motherboards, + The abituguru3 driver is only for revision 3.0.x.x motherboards, this driver will not work on older motherboards. For older motherboards use the abituguru (without the 3 !) driver. diff --git a/Documentation/kbuild/llvm.rst b/Documentation/kbuild/llvm.rst index 2aac50b97921f0..dae90c21aed30d 100644 --- a/Documentation/kbuild/llvm.rst +++ b/Documentation/kbuild/llvm.rst @@ -23,8 +23,8 @@ supports C and the GNU C extensions required by the kernel, and is pronounced Clang ----- -The compiler used can be swapped out via `CC=` command line argument to `make`. -`CC=` should be set when selecting a config and during a build. +The compiler used can be swapped out via ``CC=`` command line argument to ``make``. +``CC=`` should be set when selecting a config and during a build. :: make CC=clang defconfig @@ -34,33 +34,33 @@ Cross Compiling --------------- A single Clang compiler binary will typically contain all supported backends, -which can help simplify cross compiling. +which can help simplify cross compiling. :: ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- make CC=clang -`CROSS_COMPILE` is not used to prefix the Clang compiler binary, instead -`CROSS_COMPILE` is used to set a command line flag: `--target <triple>`. For -example: +``CROSS_COMPILE`` is not used to prefix the Clang compiler binary, instead +``CROSS_COMPILE`` is used to set a command line flag: ``--target=<triple>``. For +example: :: - clang --target aarch64-linux-gnu foo.c + clang --target=aarch64-linux-gnu foo.c LLVM Utilities -------------- -LLVM has substitutes for GNU binutils utilities. Kbuild supports `LLVM=1` -to enable them. +LLVM has substitutes for GNU binutils utilities. Kbuild supports ``LLVM=1`` +to enable them. :: make LLVM=1 -They can be enabled individually. The full list of the parameters: +They can be enabled individually. The full list of the parameters: :: - make CC=clang LD=ld.lld AR=llvm-ar NM=llvm-nm STRIP=llvm-strip \\ - OBJCOPY=llvm-objcopy OBJDUMP=llvm-objdump OBJSIZE=llvm-size \\ - READELF=llvm-readelf HOSTCC=clang HOSTCXX=clang++ HOSTAR=llvm-ar \\ + make CC=clang LD=ld.lld AR=llvm-ar NM=llvm-nm STRIP=llvm-strip \ + OBJCOPY=llvm-objcopy OBJDUMP=llvm-objdump OBJSIZE=llvm-size \ + READELF=llvm-readelf HOSTCC=clang HOSTCXX=clang++ HOSTAR=llvm-ar \ HOSTLD=ld.lld Currently, the integrated assembler is disabled by default. You can pass -`LLVM_IAS=1` to enable it. +``LLVM_IAS=1`` to enable it. Getting Help ------------ diff --git a/Documentation/kbuild/makefiles.rst b/Documentation/kbuild/makefiles.rst index b81b8913a5a371..58d513a0fa95d7 100644 --- a/Documentation/kbuild/makefiles.rst +++ b/Documentation/kbuild/makefiles.rst @@ -16,7 +16,7 @@ This document describes the Linux kernel Makefiles. --- 3.5 Library file goals - lib-y --- 3.6 Descending down in directories --- 3.7 Compilation flags - --- 3.8 Command line dependency + --- 3.8 <deleted> --- 3.9 Dependency tracking --- 3.10 Special Rules --- 3.11 $(CC) support functions @@ -39,8 +39,8 @@ This document describes the Linux kernel Makefiles. === 7 Architecture Makefiles --- 7.1 Set variables to tweak the build to the architecture - --- 7.2 Add prerequisites to archheaders: - --- 7.3 Add prerequisites to archprepare: + --- 7.2 Add prerequisites to archheaders + --- 7.3 Add prerequisites to archprepare --- 7.4 List directories to visit when descending --- 7.5 Architecture-specific boot images --- 7.6 Building non-kbuild targets @@ -129,7 +129,7 @@ The preferred name for the kbuild files are 'Makefile' but 'Kbuild' can be used and if both a 'Makefile' and a 'Kbuild' file exists, then the 'Kbuild' file will be used. -Section 3.1 "Goal definitions" is a quick intro, further chapters provide +Section 3.1 "Goal definitions" is a quick intro; further chapters provide more details, with real examples. 3.1 Goal definitions @@ -965,7 +965,7 @@ When kbuild executes, the following steps are followed (roughly): KBUILD_LDFLAGS := -m elf_s390 Note: ldflags-y can be used to further customise - the flags used. See chapter 3.7. + the flags used. See section 3.7. LDFLAGS_vmlinux Options for $(LD) when linking vmlinux @@ -1121,7 +1121,7 @@ When kbuild executes, the following steps are followed (roughly): In this example, the file target maketools will be processed before descending down in the subdirectories. - See also chapter XXX-TODO that describe how kbuild supports + See also chapter XXX-TODO that describes how kbuild supports generating offset header files. @@ -1261,7 +1261,7 @@ When kbuild executes, the following steps are followed (roughly): always be built. Assignments to $(targets) are without $(obj)/ prefix. if_changed may be used in conjunction with custom commands as - defined in 6.8 "Custom kbuild commands". + defined in 7.8 "Custom kbuild commands". Note: It is a typical mistake to forget the FORCE prerequisite. Another common pitfall is that whitespace is sometimes @@ -1411,7 +1411,7 @@ When kbuild executes, the following steps are followed (roughly): that may be shared between individual architectures. The recommended approach how to use a generic header file is to list the file in the Kbuild file. - See "7.2 generic-y" for further info on syntax etc. + See "8.2 generic-y" for further info on syntax etc. 7.11 Post-link pass ------------------- @@ -1601,4 +1601,4 @@ is the right choice. - Describe how kbuild supports shipped files with _shipped. - Generating offset header files. -- Add more variables to section 7? +- Add more variables to chapters 7 or 9? diff --git a/Documentation/maintainer/maintainer-entry-profile.rst b/Documentation/maintainer/maintainer-entry-profile.rst index 227f427118e816..b7a627d6c97dc6 100644 --- a/Documentation/maintainer/maintainer-entry-profile.rst +++ b/Documentation/maintainer/maintainer-entry-profile.rst @@ -101,3 +101,4 @@ to do something different in the near future. ../doc-guide/maintainer-profile ../nvdimm/maintainer-entry-profile + ../riscv/patch-acceptance diff --git a/Documentation/networking/dsa/configuration.rst b/Documentation/networking/dsa/configuration.rst index af029b3ca2abe5..11bd5e6108c004 100644 --- a/Documentation/networking/dsa/configuration.rst +++ b/Documentation/networking/dsa/configuration.rst @@ -180,7 +180,7 @@ The configuration can only be set up via VLAN tagging and bridge setup. # bring up the slave interfaces ip link set lan1 up - ip link set lan1 up + ip link set lan2 up ip link set lan3 up # create bridge diff --git a/Documentation/networking/ethtool-netlink.rst b/Documentation/networking/ethtool-netlink.rst index d53bcb31645a47..b5a79881551f87 100644 --- a/Documentation/networking/ethtool-netlink.rst +++ b/Documentation/networking/ethtool-netlink.rst @@ -206,6 +206,7 @@ Userspace to kernel: ``ETHTOOL_MSG_TSINFO_GET`` get timestamping info ``ETHTOOL_MSG_CABLE_TEST_ACT`` action start cable test ``ETHTOOL_MSG_CABLE_TEST_TDR_ACT`` action start raw TDR cable test + ``ETHTOOL_MSG_TUNNEL_INFO_GET`` get tunnel offload info ===================================== ================================ Kernel to userspace: @@ -239,6 +240,7 @@ Kernel to userspace: ``ETHTOOL_MSG_TSINFO_GET_REPLY`` timestamping info ``ETHTOOL_MSG_CABLE_TEST_NTF`` Cable test results ``ETHTOOL_MSG_CABLE_TEST_TDR_NTF`` Cable test TDR results + ``ETHTOOL_MSG_TUNNEL_INFO_GET_REPLY`` tunnel offload info ===================================== ================================= ``GET`` requests are sent by userspace applications to retrieve device @@ -1363,4 +1365,5 @@ are netlink only. ``ETHTOOL_SFECPARAM`` n/a n/a ''ETHTOOL_MSG_CABLE_TEST_ACT'' n/a ''ETHTOOL_MSG_CABLE_TEST_TDR_ACT'' + n/a ``ETHTOOL_MSG_TUNNEL_INFO_GET`` =================================== ===================================== diff --git a/Documentation/powerpc/syscall64-abi.rst b/Documentation/powerpc/syscall64-abi.rst index 46caaadbb0290f..379817ca64d2b7 100644 --- a/Documentation/powerpc/syscall64-abi.rst +++ b/Documentation/powerpc/syscall64-abi.rst @@ -49,16 +49,18 @@ Register preservation rules Register preservation rules match the ELF ABI calling sequence with the following differences: -=========== ============= ======================================== --- For the sc instruction, differences with the ELF ABI --- +=========== ============= ======================================== r0 Volatile (System call number.) r3 Volatile (Parameter 1, and return value.) r4-r8 Volatile (Parameters 2-6.) cr0 Volatile (cr0.SO is the return error condition.) cr1, cr5-7 Nonvolatile lr Nonvolatile +=========== ============= ======================================== --- For the scv 0 instruction, differences with the ELF ABI --- +=========== ============= ======================================== r0 Volatile (System call number.) r3 Volatile (Parameter 1, and return value.) r4-r8 Volatile (Parameters 2-6.) diff --git a/Documentation/process/deprecated.rst b/Documentation/process/deprecated.rst index 4a9aa4f0681e5d..918e32d76fc44e 100644 --- a/Documentation/process/deprecated.rst +++ b/Documentation/process/deprecated.rst @@ -142,7 +142,7 @@ only NUL-terminated strings. The safe replacement is strscpy(). (Users of strscpy() still needing NUL-padding should instead use strscpy_pad().) -If a caller is using non-NUL-terminated strings, strncpy()() can +If a caller is using non-NUL-terminated strings, strncpy() can still be used, but destinations should be marked with the `__nonstring <https://gcc.gnu.org/onlinedocs/gcc/Common-Variable-Attributes.html>`_ attribute to avoid future compiler warnings. diff --git a/Documentation/sound/cards/audigy-mixer.rst b/Documentation/sound/cards/audigy-mixer.rst index 998f76e19cdd69..f3f4640ee2afc6 100644 --- a/Documentation/sound/cards/audigy-mixer.rst +++ b/Documentation/sound/cards/audigy-mixer.rst @@ -332,7 +332,7 @@ WO 9901953 (A1) US Patents (https://www.uspto.gov/) ----------------------------------- +----------------------------------- US 5925841 Digital Sampling Instrument employing cache memory (Jul. 20, 1999) diff --git a/Documentation/sound/cards/sb-live-mixer.rst b/Documentation/sound/cards/sb-live-mixer.rst index eccb0f0ffd0ff8..2ce41d3822d8b9 100644 --- a/Documentation/sound/cards/sb-live-mixer.rst +++ b/Documentation/sound/cards/sb-live-mixer.rst @@ -337,7 +337,7 @@ WO 9901953 (A1) US Patents (https://www.uspto.gov/) ----------------------------------- +----------------------------------- US 5925841 Digital Sampling Instrument employing cache memory (Jul. 20, 1999) diff --git a/Documentation/sound/designs/timestamping.rst b/Documentation/sound/designs/timestamping.rst index 2b0fff50341519..7c7ecf5dbc4bd7 100644 --- a/Documentation/sound/designs/timestamping.rst +++ b/Documentation/sound/designs/timestamping.rst @@ -143,7 +143,7 @@ timestamp shows when the information is put together by the driver before returning from the ``STATUS`` and ``STATUS_EXT`` ioctl. in most cases this driver_timestamp will be identical to the regular system tstamp. -Examples of typestamping with HDaudio: +Examples of timestamping with HDAudio: 1. DMA timestamp, no compensation for DMA+analog delay :: diff --git a/Documentation/translations/it_IT/process/deprecated.rst b/Documentation/translations/it_IT/process/deprecated.rst index e108eaf82cf671..a642ff3fdc8bbd 100644 --- a/Documentation/translations/it_IT/process/deprecated.rst +++ b/Documentation/translations/it_IT/process/deprecated.rst @@ -130,7 +130,7 @@ chi usa solo stringe terminate. La versione sicura da usare è strscpy(). (chi usa strscpy() e necessita di estendere la terminazione con NUL deve aggiungere una chiamata a memset()) -Se il chiamate no usa stringhe terminate con NUL, allore strncpy()() +Se il chiamate no usa stringhe terminate con NUL, allore strncpy() può continuare ad essere usata, ma i buffer di destinazione devono essere marchiati con l'attributo `__nonstring <https://gcc.gnu.org/onlinedocs/gcc/Common-Variable-Attributes.html>`_ per evitare avvisi durante la compilazione. diff --git a/Documentation/userspace-api/media/v4l/buffer.rst b/Documentation/userspace-api/media/v4l/buffer.rst index 57e752aaf414a7..2044ed13cd9d7d 100644 --- a/Documentation/userspace-api/media/v4l/buffer.rst +++ b/Documentation/userspace-api/media/v4l/buffer.rst @@ -701,23 +701,6 @@ Memory Consistency Flags :stub-columns: 0 :widths: 3 1 4 - * .. _`V4L2-FLAG-MEMORY-NON-CONSISTENT`: - - - ``V4L2_FLAG_MEMORY_NON_CONSISTENT`` - - 0x00000001 - - A buffer is allocated either in consistent (it will be automatically - coherent between the CPU and the bus) or non-consistent memory. The - latter can provide performance gains, for instance the CPU cache - sync/flush operations can be avoided if the buffer is accessed by the - corresponding device only and the CPU does not read/write to/from that - buffer. However, this requires extra care from the driver -- it must - guarantee memory consistency by issuing a cache flush/sync when - consistency is needed. If this flag is set V4L2 will attempt to - allocate the buffer in non-consistent memory. The flag takes effect - only if the buffer is used for :ref:`memory mapping <mmap>` I/O and the - queue reports the :ref:`V4L2_BUF_CAP_SUPPORTS_MMAP_CACHE_HINTS - <V4L2-BUF-CAP-SUPPORTS-MMAP-CACHE-HINTS>` capability. - .. c:type:: v4l2_memory enum v4l2_memory diff --git a/Documentation/userspace-api/media/v4l/vidioc-create-bufs.rst b/Documentation/userspace-api/media/v4l/vidioc-create-bufs.rst index f2a702870fadc1..12cf6b44f414f7 100644 --- a/Documentation/userspace-api/media/v4l/vidioc-create-bufs.rst +++ b/Documentation/userspace-api/media/v4l/vidioc-create-bufs.rst @@ -120,13 +120,9 @@ than the number requested. If you want to just query the capabilities without making any other changes, then set ``count`` to 0, ``memory`` to ``V4L2_MEMORY_MMAP`` and ``format.type`` to the buffer type. - * - __u32 - - ``flags`` - - Specifies additional buffer management attributes. - See :ref:`memory-flags`. * - __u32 - - ``reserved``\ [6] + - ``reserved``\ [7] - A place holder for future extensions. Drivers and applications must set the array to zero. diff --git a/Documentation/userspace-api/media/v4l/vidioc-reqbufs.rst b/Documentation/userspace-api/media/v4l/vidioc-reqbufs.rst index 75d894d9c36c42..0e3e2fde65e850 100644 --- a/Documentation/userspace-api/media/v4l/vidioc-reqbufs.rst +++ b/Documentation/userspace-api/media/v4l/vidioc-reqbufs.rst @@ -112,17 +112,10 @@ aborting or finishing any DMA in progress, an implicit ``V4L2_MEMORY_MMAP`` and ``type`` set to the buffer type. This will free any previously allocated buffers, so this is typically something that will be done at the start of the application. - * - union { - - (anonymous) - * - __u32 - - ``flags`` - - Specifies additional buffer management attributes. - See :ref:`memory-flags`. * - __u32 - ``reserved``\ [1] - - Kept for backwards compatibility. Use ``flags`` instead. - * - } - - + - A place holder for future extensions. Drivers and applications + must set the array to zero. .. tabularcolumns:: |p{6.1cm}|p{2.2cm}|p{8.7cm}| @@ -169,7 +162,6 @@ aborting or finishing any DMA in progress, an implicit - This capability is set by the driver to indicate that the queue supports cache and memory management hints. However, it's only valid when the queue is used for :ref:`memory mapping <mmap>` streaming I/O. See - :ref:`V4L2_FLAG_MEMORY_NON_CONSISTENT <V4L2-FLAG-MEMORY-NON-CONSISTENT>`, :ref:`V4L2_BUF_FLAG_NO_CACHE_INVALIDATE <V4L2-BUF-FLAG-NO-CACHE-INVALIDATE>` and :ref:`V4L2_BUF_FLAG_NO_CACHE_CLEAN <V4L2-BUF-FLAG-NO-CACHE-CLEAN>`. diff --git a/Documentation/virt/kvm/api.rst b/Documentation/virt/kvm/api.rst index eb3a1316f03ec9..51191b56e61cbc 100644 --- a/Documentation/virt/kvm/api.rst +++ b/Documentation/virt/kvm/api.rst @@ -6130,7 +6130,7 @@ HvCallSendSyntheticClusterIpi, HvCallSendSyntheticClusterIpiEx. 8.21 KVM_CAP_HYPERV_DIRECT_TLBFLUSH ----------------------------------- -:Architecture: x86 +:Architectures: x86 This capability indicates that KVM running on top of Hyper-V hypervisor enables Direct TLB flush for its guests meaning that TLB flush @@ -6143,19 +6143,53 @@ in CPUID and only exposes Hyper-V identification. In this case, guest thinks it's running on Hyper-V and only use Hyper-V hypercalls. 8.22 KVM_CAP_S390_VCPU_RESETS +----------------------------- -Architectures: s390 +:Architectures: s390 This capability indicates that the KVM_S390_NORMAL_RESET and KVM_S390_CLEAR_RESET ioctls are available. 8.23 KVM_CAP_S390_PROTECTED +--------------------------- -Architecture: s390 - +:Architectures: s390 This capability indicates that the Ultravisor has been initialized and KVM can therefore start protected VMs. This capability governs the KVM_S390_PV_COMMAND ioctl and the KVM_MP_STATE_LOAD MP_STATE. KVM_SET_MP_STATE can fail for protected guests when the state change is invalid. + +8.24 KVM_CAP_STEAL_TIME +----------------------- + +:Architectures: arm64, x86 + +This capability indicates that KVM supports steal time accounting. +When steal time accounting is supported it may be enabled with +architecture-specific interfaces. This capability and the architecture- +specific interfaces must be consistent, i.e. if one says the feature +is supported, than the other should as well and vice versa. For arm64 +see Documentation/virt/kvm/devices/vcpu.rst "KVM_ARM_VCPU_PVTIME_CTRL". +For x86 see Documentation/virt/kvm/msr.rst "MSR_KVM_STEAL_TIME". + +8.25 KVM_CAP_S390_DIAG318 +------------------------- + +:Architectures: s390 + +This capability enables a guest to set information about its control program +(i.e. guest kernel type and version). The information is helpful during +system/firmware service events, providing additional data about the guest +environments running on the machine. + +The information is associated with the DIAGNOSE 0x318 instruction, which sets +an 8-byte value consisting of a one-byte Control Program Name Code (CPNC) and +a 7-byte Control Program Version Code (CPVC). The CPNC determines what +environment the control program is running in (e.g. Linux, z/VM...), and the +CPVC is used for information specific to OS (e.g. Linux version, Linux +distribution...) + +If this capability is available, then the CPNC and CPVC can be synchronized +between KVM and userspace via the sync regs mechanism (KVM_SYNC_DIAG318). diff --git a/MAINTAINERS b/MAINTAINERS index f0068bceeb6158..9a54806ebf0209 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1460,6 +1460,11 @@ S: Odd Fixes F: drivers/amba/ F: include/linux/amba/bus.h +ARM PRIMECELL CLCD PL110 DRIVER +M: Russell King <linux@armlinux.org.uk> +S: Odd Fixes +F: drivers/video/fbdev/amba-clcd.* + ARM PRIMECELL KMI PL050 DRIVER M: Russell King <linux@armlinux.org.uk> S: Odd Fixes @@ -1694,7 +1699,6 @@ F: arch/arm/mach-cns3xxx/ ARM/CAVIUM THUNDER NETWORK DRIVER M: Sunil Goutham <sgoutham@marvell.com> -M: Robert Richter <rrichter@marvell.com> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) S: Supported F: drivers/net/ethernet/cavium/thunder/ @@ -3205,6 +3209,7 @@ S: Maintained T: git git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git F: block/ F: drivers/block/ +F: include/linux/blk* F: kernel/trace/blktrace.c F: lib/sbitmap.c @@ -3388,6 +3393,7 @@ M: Florian Fainelli <f.fainelli@gmail.com> L: netdev@vger.kernel.org L: openwrt-devel@lists.openwrt.org (subscribers-only) S: Supported +F: Documentation/devicetree/bindings/net/dsa/b53.txt F: drivers/net/dsa/b53/* F: include/linux/platform_data/b53.h @@ -3573,13 +3579,28 @@ L: bcm-kernel-feedback-list@broadcom.com S: Maintained F: drivers/phy/broadcom/phy-brcm-usb* +BROADCOM ETHERNET PHY DRIVERS +M: Florian Fainelli <f.fainelli@gmail.com> +L: bcm-kernel-feedback-list@broadcom.com +L: netdev@vger.kernel.org +S: Supported +F: Documentation/devicetree/bindings/net/broadcom-bcm87xx.txt +F: drivers/net/phy/bcm*.[ch] +F: drivers/net/phy/broadcom.c +F: include/linux/brcmphy.h + BROADCOM GENET ETHERNET DRIVER M: Doug Berger <opendmb@gmail.com> M: Florian Fainelli <f.fainelli@gmail.com> L: bcm-kernel-feedback-list@broadcom.com L: netdev@vger.kernel.org S: Supported +F: Documentation/devicetree/bindings/net/brcm,bcmgenet.txt +F: Documentation/devicetree/bindings/net/brcm,unimac-mdio.txt F: drivers/net/ethernet/broadcom/genet/ +F: drivers/net/mdio/mdio-bcm-unimac.c +F: include/linux/platform_data/bcmgenet.h +F: include/linux/platform_data/mdio-bcm-unimac.h BROADCOM IPROC ARM ARCHITECTURE M: Ray Jui <rjui@broadcom.com> @@ -3931,8 +3952,8 @@ W: https://wireless.wiki.kernel.org/en/users/Drivers/carl9170 F: drivers/net/wireless/ath/carl9170/ CAVIUM I2C DRIVER -M: Robert Richter <rrichter@marvell.com> -S: Supported +M: Robert Richter <rric@kernel.org> +S: Odd Fixes W: http://www.marvell.com F: drivers/i2c/busses/i2c-octeon* F: drivers/i2c/busses/i2c-thunderx* @@ -3947,8 +3968,8 @@ W: http://www.marvell.com F: drivers/net/ethernet/cavium/liquidio/ CAVIUM MMC DRIVER -M: Robert Richter <rrichter@marvell.com> -S: Supported +M: Robert Richter <rric@kernel.org> +S: Odd Fixes W: http://www.marvell.com F: drivers/mmc/host/cavium* @@ -3960,9 +3981,9 @@ W: http://www.marvell.com F: drivers/crypto/cavium/cpt/ CAVIUM THUNDERX2 ARM64 SOC -M: Robert Richter <rrichter@marvell.com> +M: Robert Richter <rric@kernel.org> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) -S: Maintained +S: Odd Fixes F: Documentation/devicetree/bindings/arm/cavium-thunder2.txt F: arch/arm64/boot/dts/cavium/thunder2-99xx* @@ -4241,6 +4262,8 @@ S: Maintained F: .clang-format CLANG/LLVM BUILD SUPPORT +M: Nathan Chancellor <natechancellor@gmail.com> +M: Nick Desaulniers <ndesaulniers@google.com> L: clang-built-linux@googlegroups.com S: Supported W: https://clangbuiltlinux.github.io/ @@ -4390,12 +4413,6 @@ T: git git://git.infradead.org/users/hch/configfs.git F: fs/configfs/ F: include/linux/configfs.h -CONNECTOR -M: Evgeniy Polyakov <zbr@ioremap.net> -L: netdev@vger.kernel.org -S: Maintained -F: drivers/connector/ - CONSOLE SUBSYSTEM M: Greg Kroah-Hartman <gregkh@linuxfoundation.org> S: Supported @@ -5239,6 +5256,7 @@ DOCUMENTATION M: Jonathan Corbet <corbet@lwn.net> L: linux-doc@vger.kernel.org S: Maintained +P: Documentation/doc-guide/maintainer-profile.rst T: git git://git.lwn.net/linux.git docs-next F: Documentation/ F: scripts/documentation-file-ref-check @@ -6161,7 +6179,7 @@ F: Documentation/devicetree/bindings/edac/aspeed-sdram-edac.txt F: drivers/edac/aspeed_edac.c EDAC-BLUEFIELD -M: Shravan Kumar Ramani <sramani@nvidia.com> +M: Shravan Kumar Ramani <shravankr@nvidia.com> S: Supported F: drivers/edac/bluefield_edac.c @@ -6173,16 +6191,15 @@ F: drivers/edac/highbank* EDAC-CAVIUM OCTEON M: Ralf Baechle <ralf@linux-mips.org> -M: Robert Richter <rrichter@marvell.com> L: linux-edac@vger.kernel.org L: linux-mips@vger.kernel.org S: Supported F: drivers/edac/octeon_edac* EDAC-CAVIUM THUNDERX -M: Robert Richter <rrichter@marvell.com> +M: Robert Richter <rric@kernel.org> L: linux-edac@vger.kernel.org -S: Supported +S: Odd Fixes F: drivers/edac/thunderx_edac* EDAC-CORE @@ -6190,7 +6207,7 @@ M: Borislav Petkov <bp@alien8.de> M: Mauro Carvalho Chehab <mchehab@kernel.org> M: Tony Luck <tony.luck@intel.com> R: James Morse <james.morse@arm.com> -R: Robert Richter <rrichter@marvell.com> +R: Robert Richter <rric@kernel.org> L: linux-edac@vger.kernel.org S: Supported T: git git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras.git edac-for-next @@ -6494,7 +6511,6 @@ F: net/bridge/ ETHERNET PHY LIBRARY M: Andrew Lunn <andrew@lunn.ch> -M: Florian Fainelli <f.fainelli@gmail.com> M: Heiner Kallweit <hkallweit1@gmail.com> R: Russell King <linux@armlinux.org.uk> L: netdev@vger.kernel.org @@ -6884,6 +6900,14 @@ L: linuxppc-dev@lists.ozlabs.org S: Maintained F: drivers/dma/fsldma.* +FREESCALE DSPI DRIVER +M: Vladimir Oltean <olteanv@gmail.com> +L: linux-spi@vger.kernel.org +S: Maintained +F: Documentation/devicetree/bindings/spi/spi-fsl-dspi.txt +F: drivers/spi/spi-fsl-dspi.c +F: include/linux/spi/spi-fsl-dspi.h + FREESCALE ENETC ETHERNET DRIVERS M: Claudiu Manoil <claudiu.manoil@nxp.com> L: netdev@vger.kernel.org @@ -8255,7 +8279,7 @@ IA64 (Itanium) PLATFORM M: Tony Luck <tony.luck@intel.com> M: Fenghua Yu <fenghua.yu@intel.com> L: linux-ia64@vger.kernel.org -S: Maintained +S: Odd Fixes T: git git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux.git F: Documentation/ia64/ F: arch/ia64/ @@ -8304,8 +8328,9 @@ S: Supported F: drivers/pci/hotplug/rpaphp* IBM Power SRIOV Virtual NIC Device Driver -M: Thomas Falcon <tlfalcon@linux.ibm.com> -M: John Allen <jallen@linux.ibm.com> +M: Dany Madden <drt@linux.ibm.com> +M: Lijun Pan <ljp@linux.ibm.com> +M: Sukadev Bhattiprolu <sukadev@linux.ibm.com> L: netdev@vger.kernel.org S: Supported F: drivers/net/ethernet/ibm/ibmvnic.* @@ -8319,7 +8344,7 @@ F: arch/powerpc/platforms/powernv/copy-paste.h F: arch/powerpc/platforms/powernv/vas* IBM Power Virtual Ethernet Device Driver -M: Thomas Falcon <tlfalcon@linux.ibm.com> +M: Cristobal Forno <cforno12@linux.ibm.com> L: netdev@vger.kernel.org S: Supported F: drivers/net/ethernet/ibm/ibmveth.* @@ -8732,7 +8757,8 @@ F: include/drm/i915* F: include/uapi/drm/i915_drm.h INTEL ETHERNET DRIVERS -M: Jeff Kirsher <jeffrey.t.kirsher@intel.com> +M: Jesse Brandeburg <jesse.brandeburg@intel.com> +M: Tony Nguyen <anthony.l.nguyen@intel.com> L: intel-wired-lan@lists.osuosl.org (moderated for non-subscribers) S: Supported W: http://www.intel.com/support/feedback.htm @@ -9226,7 +9252,7 @@ F: drivers/firmware/iscsi_ibft* ISCSI EXTENSIONS FOR RDMA (ISER) INITIATOR M: Sagi Grimberg <sagi@grimberg.me> -M: Max Gurtovoy <maxg@nvidia.com> +M: Max Gurtovoy <mgurtovoy@nvidia.com> L: linux-rdma@vger.kernel.org S: Supported W: http://www.openfabrics.org @@ -9775,7 +9801,7 @@ F: drivers/scsi/53c700* LEAKING_ADDRESSES M: Tobin C. Harding <me@tobin.cc> -M: Tycho Andersen <tycho@tycho.ws> +M: Tycho Andersen <tycho@tycho.pizza> L: kernel-hardening@lists.openwall.com S: Maintained T: git git://git.kernel.org/pub/scm/linux/kernel/git/tobin/leaks.git @@ -11017,6 +11043,7 @@ F: drivers/char/hw_random/mtk-rng.c MEDIATEK SWITCH DRIVER M: Sean Wang <sean.wang@mediatek.com> +M: Landen Chao <Landen.Chao@mediatek.com> L: netdev@vger.kernel.org S: Maintained F: drivers/net/dsa/mt7530.* @@ -12030,6 +12057,7 @@ Q: http://patchwork.ozlabs.org/project/netdev/list/ T: git git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git T: git git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next.git F: Documentation/devicetree/bindings/net/ +F: drivers/connector/ F: drivers/net/ F: include/linux/etherdevice.h F: include/linux/fcdevice.h @@ -12055,6 +12083,7 @@ NETWORKING [DSA] M: Andrew Lunn <andrew@lunn.ch> M: Vivien Didelot <vivien.didelot@gmail.com> M: Florian Fainelli <f.fainelli@gmail.com> +M: Vladimir Oltean <olteanv@gmail.com> S: Maintained F: Documentation/devicetree/bindings/net/dsa/ F: drivers/net/dsa/ @@ -13160,6 +13189,7 @@ F: drivers/firmware/pcdp.* PCI DRIVER FOR AARDVARK (Marvell Armada 3700) M: Thomas Petazzoni <thomas.petazzoni@bootlin.com> +M: Pali Rohár <pali@kernel.org> L: linux-pci@vger.kernel.org L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) S: Maintained @@ -13429,10 +13459,10 @@ F: Documentation/devicetree/bindings/pci/axis,artpec* F: drivers/pci/controller/dwc/*artpec* PCIE DRIVER FOR CAVIUM THUNDERX -M: Robert Richter <rrichter@marvell.com> +M: Robert Richter <rric@kernel.org> L: linux-pci@vger.kernel.org L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) -S: Supported +S: Odd Fixes F: drivers/pci/controller/pci-thunder-* PCIE DRIVER FOR HISILICON @@ -13569,12 +13599,18 @@ F: kernel/events/* F: tools/lib/perf/ F: tools/perf/ -PERFORMANCE EVENTS SUBSYSTEM ARM64 PMU EVENTS +PERFORMANCE EVENTS TOOLING ARM64 R: John Garry <john.garry@huawei.com> R: Will Deacon <will@kernel.org> +R: Mathieu Poirier <mathieu.poirier@linaro.org> +R: Leo Yan <leo.yan@linaro.org> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) S: Supported +F: tools/build/feature/test-libopencsd.c +F: tools/perf/arch/arm*/ F: tools/perf/pmu-events/arch/arm64/ +F: tools/perf/util/arm-spe* +F: tools/perf/util/cs-etm* PERSONALITY HANDLING M: Christoph Hellwig <hch@infradead.org> @@ -14365,7 +14401,7 @@ M: Rob Clark <robdclark@gmail.com> L: iommu@lists.linux-foundation.org L: linux-arm-msm@vger.kernel.org S: Maintained -F: drivers/iommu/qcom_iommu.c +F: drivers/iommu/arm/arm-smmu/qcom_iommu.c QUALCOMM IPCC MAILBOX DRIVER M: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> @@ -15546,6 +15582,7 @@ F: include/uapi/linux/sed* SECURITY CONTACT M: Security Officers <security@kernel.org> S: Supported +F: Documentation/admin-guide/security-bugs.rst SECURITY SUBSYSTEM M: James Morris <jmorris@namei.org> @@ -16125,7 +16162,7 @@ M: Leon Luo <leonl@leopardimaging.com> L: linux-media@vger.kernel.org S: Maintained T: git git://linuxtv.org/media_tree.git -F: Documentation/devicetree/bindings/media/i2c/imx274.txt +F: Documentation/devicetree/bindings/media/i2c/sony,imx274.yaml F: drivers/media/i2c/imx274.c SONY IMX290 SENSOR DRIVER @@ -17116,8 +17153,8 @@ S: Maintained F: Documentation/devicetree/bindings/arm/keystone/ti,k3-sci-common.yaml F: Documentation/devicetree/bindings/arm/keystone/ti,sci.txt F: Documentation/devicetree/bindings/clock/ti,sci-clk.txt -F: Documentation/devicetree/bindings/interrupt-controller/ti,sci-inta.txt -F: Documentation/devicetree/bindings/interrupt-controller/ti,sci-intr.txt +F: Documentation/devicetree/bindings/interrupt-controller/ti,sci-inta.yaml +F: Documentation/devicetree/bindings/interrupt-controller/ti,sci-intr.yaml F: Documentation/devicetree/bindings/reset/ti,sci-reset.txt F: Documentation/devicetree/bindings/soc/ti/sci-pm-domain.txt F: drivers/clk/keystone/sci-clk.c @@ -17214,8 +17251,8 @@ S: Maintained F: drivers/net/thunderbolt.c THUNDERX GPIO DRIVER -M: Robert Richter <rrichter@marvell.com> -S: Maintained +M: Robert Richter <rric@kernel.org> +S: Odd Fixes F: drivers/gpio/gpio-thunderx.c TI AM437X VPFE DRIVER @@ -18252,7 +18289,8 @@ F: drivers/gpu/vga/vga_switcheroo.c F: include/linux/vga_switcheroo.h VIA RHINE NETWORK DRIVER -S: Orphan +S: Maintained +M: Kevin Brace <kevinbrace@bracecomputerlab.com> F: drivers/net/ethernet/via/via-rhine.c VIA SD/MMC CARD CONTROLLER DRIVER @@ -18857,10 +18895,10 @@ T: git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/mm F: arch/x86/mm/ X86 PLATFORM DRIVERS -M: Darren Hart <dvhart@infradead.org> -M: Andy Shevchenko <andy@infradead.org> +M: Hans de Goede <hdegoede@redhat.com> +M: Mark Gross <mgross@linux.intel.com> L: platform-driver-x86@vger.kernel.org -S: Odd Fixes +S: Maintained T: git git://git.infradead.org/linux-platform-drivers-x86.git F: drivers/platform/olpc/ F: drivers/platform/x86/ @@ -18874,6 +18912,15 @@ S: Maintained T: git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/core F: arch/x86/platform +X86 PLATFORM UV HPE SUPERDOME FLEX +M: Steve Wahl <steve.wahl@hpe.com> +R: Dimitri Sivanich <dimitri.sivanich@hpe.com> +R: Russ Anderson <russ.anderson@hpe.com> +S: Supported +F: arch/x86/include/asm/uv/ +F: arch/x86/kernel/apic/x2apic_uv_x.c +F: arch/x86/platform/uv/ + X86 VDSO M: Andy Lutomirski <luto@kernel.org> L: linux-kernel@vger.kernel.org diff --git a/Makefile b/Makefile index f2116815416091..f84d7e4ca0be05 100644 --- a/Makefile +++ b/Makefile @@ -2,7 +2,7 @@ VERSION = 5 PATCHLEVEL = 9 SUBLEVEL = 0 -EXTRAVERSION = -rc2 +EXTRAVERSION = -rc8 NAME = Kleptomaniac Octopus # *DOCUMENTATION* @@ -882,10 +882,6 @@ KBUILD_CFLAGS_KERNEL += -ffunction-sections -fdata-sections LDFLAGS_vmlinux += --gc-sections endif -ifdef CONFIG_LIVEPATCH -KBUILD_CFLAGS += $(call cc-option, -flive-patching=inline-clone) -endif - ifdef CONFIG_SHADOW_CALL_STACK CC_FLAGS_SCS := -fsanitize=shadow-call-stack KBUILD_CFLAGS += $(CC_FLAGS_SCS) diff --git a/arch/alpha/kernel/module.c b/arch/alpha/kernel/module.c index ac110ae8f97803..5b60c248de9eae 100644 --- a/arch/alpha/kernel/module.c +++ b/arch/alpha/kernel/module.c @@ -212,7 +212,7 @@ apply_relocate_add(Elf64_Shdr *sechdrs, const char *strtab, STO_ALPHA_STD_GPLOAD) /* Omit the prologue. */ value += 8; - /* FALLTHRU */ + fallthrough; case R_ALPHA_BRADDR: value -= (u64)location + 4; if (value & 3) diff --git a/arch/alpha/kernel/signal.c b/arch/alpha/kernel/signal.c index a813020d2f1170..15bc9d1e79f4d7 100644 --- a/arch/alpha/kernel/signal.c +++ b/arch/alpha/kernel/signal.c @@ -453,7 +453,7 @@ syscall_restart(unsigned long r0, unsigned long r19, regs->r0 = EINTR; break; } - /* fallthrough */ + fallthrough; case ERESTARTNOINTR: regs->r0 = r0; /* reset v0 and a3 and replay syscall */ regs->r19 = r19; diff --git a/arch/alpha/kernel/traps.c b/arch/alpha/kernel/traps.c index 49754e07e04f47..921d4b6e4d9561 100644 --- a/arch/alpha/kernel/traps.c +++ b/arch/alpha/kernel/traps.c @@ -883,7 +883,7 @@ do_entUnaUser(void __user * va, unsigned long opcode, case 0x26: /* sts */ fake_reg = s_reg_to_mem(alpha_read_fp_reg(reg)); - /* FALLTHRU */ + fallthrough; case 0x2c: /* stl */ __asm__ __volatile__( @@ -911,7 +911,7 @@ do_entUnaUser(void __user * va, unsigned long opcode, case 0x27: /* stt */ fake_reg = alpha_read_fp_reg(reg); - /* FALLTHRU */ + fallthrough; case 0x2d: /* stq */ __asm__ __volatile__( diff --git a/arch/arc/boot/dts/hsdk.dts b/arch/arc/boot/dts/hsdk.dts index 9acbeba832c0b5..dcaa44e408ace2 100644 --- a/arch/arc/boot/dts/hsdk.dts +++ b/arch/arc/boot/dts/hsdk.dts @@ -88,6 +88,8 @@ arcpct: pct { compatible = "snps,archs-pct"; + interrupt-parent = <&cpu_intc>; + interrupts = <20>; }; /* TIMER0 with interrupt for clockevent */ @@ -208,7 +210,7 @@ reg = <0x8000 0x2000>; interrupts = <10>; interrupt-names = "macirq"; - phy-mode = "rgmii"; + phy-mode = "rgmii-id"; snps,pbl = <32>; snps,multicast-filter-bins = <256>; clocks = <&gmacclk>; @@ -226,7 +228,7 @@ #address-cells = <1>; #size-cells = <0>; compatible = "snps,dwmac-mdio"; - phy0: ethernet-phy@0 { + phy0: ethernet-phy@0 { /* Micrel KSZ9031 */ reg = <0>; }; }; diff --git a/arch/arc/include/asm/pgalloc.h b/arch/arc/include/asm/pgalloc.h index b747f2ec292877..6147db9252487f 100644 --- a/arch/arc/include/asm/pgalloc.h +++ b/arch/arc/include/asm/pgalloc.h @@ -18,10 +18,10 @@ * vineetg: April 2010 * -Switched pgtable_t from being struct page * to unsigned long * =Needed so that Page Table allocator (pte_alloc_one) is not forced to - * to deal with struct page. Thay way in future we can make it allocate + * deal with struct page. That way in future we can make it allocate * multiple PG Tbls in one Page Frame * =sweet side effect is avoiding calls to ugly page_address( ) from the - * pg-tlb allocator sub-sys (pte_alloc_one, ptr_free, pmd_populate + * pg-tlb allocator sub-sys (pte_alloc_one, ptr_free, pmd_populate) * * Amit Bhor, Sameer Dhavale: Codito Technologies 2004 */ diff --git a/arch/arc/kernel/disasm.c b/arch/arc/kernel/disasm.c index d04837d91b4077..03f8b1be0c3a82 100644 --- a/arch/arc/kernel/disasm.c +++ b/arch/arc/kernel/disasm.c @@ -339,7 +339,7 @@ void __kprobes disasm_instr(unsigned long addr, struct disasm_state *state, case op_LDWX_S: /* LDWX_S c, [b, u6] */ state->x = 1; - /* intentional fall-through */ + fallthrough; case op_LDW_S: /* LDW_S c, [b, u6] */ state->zz = 2; diff --git a/arch/arc/kernel/perf_event.c b/arch/arc/kernel/perf_event.c index 661fd842ea97db..79849f37e782c6 100644 --- a/arch/arc/kernel/perf_event.c +++ b/arch/arc/kernel/perf_event.c @@ -562,7 +562,7 @@ static int arc_pmu_device_probe(struct platform_device *pdev) { struct arc_reg_pct_build pct_bcr; struct arc_reg_cc_build cc_bcr; - int i, has_interrupts; + int i, has_interrupts, irq; int counter_size; /* in bits */ union cc_name { @@ -637,13 +637,7 @@ static int arc_pmu_device_probe(struct platform_device *pdev) .attr_groups = arc_pmu->attr_groups, }; - if (has_interrupts) { - int irq = platform_get_irq(pdev, 0); - - if (irq < 0) { - pr_err("Cannot get IRQ number for the platform\n"); - return -ENODEV; - } + if (has_interrupts && (irq = platform_get_irq(pdev, 0) >= 0)) { arc_pmu->irq = irq; @@ -652,9 +646,9 @@ static int arc_pmu_device_probe(struct platform_device *pdev) this_cpu_ptr(&arc_pmu_cpu)); on_each_cpu(arc_cpu_pmu_irq_init, &irq, 1); - - } else + } else { arc_pmu->pmu.capabilities |= PERF_PMU_CAP_NO_INTERRUPT; + } /* * perf parser doesn't really like '-' symbol in events name, so let's diff --git a/arch/arc/kernel/signal.c b/arch/arc/kernel/signal.c index 3d57ed0d853509..8222f8c5469029 100644 --- a/arch/arc/kernel/signal.c +++ b/arch/arc/kernel/signal.c @@ -321,7 +321,7 @@ static void arc_restart_syscall(struct k_sigaction *ka, struct pt_regs *regs) regs->r0 = -EINTR; break; } - /* fallthrough */ + fallthrough; case -ERESTARTNOINTR: /* diff --git a/arch/arc/kernel/troubleshoot.c b/arch/arc/kernel/troubleshoot.c index 28e8bf04b253f4..a331bb5d8319f2 100644 --- a/arch/arc/kernel/troubleshoot.c +++ b/arch/arc/kernel/troubleshoot.c @@ -18,44 +18,37 @@ #define ARC_PATH_MAX 256 -/* - * Common routine to print scratch regs (r0-r12) or callee regs (r13-r25) - * -Prints 3 regs per line and a CR. - * -To continue, callee regs right after scratch, special handling of CR - */ -static noinline void print_reg_file(long *reg_rev, int start_num) +static noinline void print_regs_scratch(struct pt_regs *regs) { - unsigned int i; - char buf[512]; - int n = 0, len = sizeof(buf); - - for (i = start_num; i < start_num + 13; i++) { - n += scnprintf(buf + n, len - n, "r%02u: 0x%08lx\t", - i, (unsigned long)*reg_rev); - - if (((i + 1) % 3) == 0) - n += scnprintf(buf + n, len - n, "\n"); - - /* because pt_regs has regs reversed: r12..r0, r25..r13 */ - if (is_isa_arcv2() && start_num == 0) - reg_rev++; - else - reg_rev--; - } - - if (start_num != 0) - n += scnprintf(buf + n, len - n, "\n\n"); + pr_cont("BTA: 0x%08lx\n SP: 0x%08lx FP: 0x%08lx BLK: %pS\n", + regs->bta, regs->sp, regs->fp, (void *)regs->blink); + pr_cont("LPS: 0x%08lx\tLPE: 0x%08lx\tLPC: 0x%08lx\n", + regs->lp_start, regs->lp_end, regs->lp_count); - /* To continue printing callee regs on same line as scratch regs */ - if (start_num == 0) - pr_info("%s", buf); - else - pr_cont("%s\n", buf); + pr_info("r00: 0x%08lx\tr01: 0x%08lx\tr02: 0x%08lx\n" \ + "r03: 0x%08lx\tr04: 0x%08lx\tr05: 0x%08lx\n" \ + "r06: 0x%08lx\tr07: 0x%08lx\tr08: 0x%08lx\n" \ + "r09: 0x%08lx\tr10: 0x%08lx\tr11: 0x%08lx\n" \ + "r12: 0x%08lx\t", + regs->r0, regs->r1, regs->r2, + regs->r3, regs->r4, regs->r5, + regs->r6, regs->r7, regs->r8, + regs->r9, regs->r10, regs->r11, + regs->r12); } -static void show_callee_regs(struct callee_regs *cregs) +static void print_regs_callee(struct callee_regs *regs) { - print_reg_file(&(cregs->r13), 13); + pr_cont("r13: 0x%08lx\tr14: 0x%08lx\n" \ + "r15: 0x%08lx\tr16: 0x%08lx\tr17: 0x%08lx\n" \ + "r18: 0x%08lx\tr19: 0x%08lx\tr20: 0x%08lx\n" \ + "r21: 0x%08lx\tr22: 0x%08lx\tr23: 0x%08lx\n" \ + "r24: 0x%08lx\tr25: 0x%08lx\n", + regs->r13, regs->r14, + regs->r15, regs->r16, regs->r17, + regs->r18, regs->r19, regs->r20, + regs->r21, regs->r22, regs->r23, + regs->r24, regs->r25); } static void print_task_path_n_nm(struct task_struct *tsk) @@ -175,7 +168,7 @@ static void show_ecr_verbose(struct pt_regs *regs) void show_regs(struct pt_regs *regs) { struct task_struct *tsk = current; - struct callee_regs *cregs; + struct callee_regs *cregs = (struct callee_regs *)tsk->thread.callee_reg; /* * generic code calls us with preemption disabled, but some calls @@ -204,25 +197,15 @@ void show_regs(struct pt_regs *regs) STS_BIT(regs, A2), STS_BIT(regs, A1), STS_BIT(regs, E2), STS_BIT(regs, E1)); #else - pr_cont(" [%2s%2s%2s%2s]", + pr_cont(" [%2s%2s%2s%2s] ", STS_BIT(regs, IE), (regs->status32 & STATUS_U_MASK) ? "U " : "K ", STS_BIT(regs, DE), STS_BIT(regs, AE)); #endif - pr_cont(" BTA: 0x%08lx\n SP: 0x%08lx FP: 0x%08lx BLK: %pS\n", - regs->bta, regs->sp, regs->fp, (void *)regs->blink); - pr_info("LPS: 0x%08lx\tLPE: 0x%08lx\tLPC: 0x%08lx\n", - regs->lp_start, regs->lp_end, regs->lp_count); - - /* print regs->r0 thru regs->r12 - * Sequential printing was generating horrible code - */ - print_reg_file(&(regs->r0), 0); - /* If Callee regs were saved, display them too */ - cregs = (struct callee_regs *)current->thread.callee_reg; + print_regs_scratch(regs); if (cregs) - show_callee_regs(cregs); + print_regs_callee(cregs); preempt_disable(); } diff --git a/arch/arc/kernel/unwind.c b/arch/arc/kernel/unwind.c index f87758a6851bd1..74ad4256022e4b 100644 --- a/arch/arc/kernel/unwind.c +++ b/arch/arc/kernel/unwind.c @@ -572,7 +572,7 @@ static unsigned long read_pointer(const u8 **pLoc, const void *end, #else BUILD_BUG_ON(sizeof(u32) != sizeof(value)); #endif - /* Fall through */ + fallthrough; case DW_EH_PE_native: if (end < (const void *)(ptr.pul + 1)) return 0; @@ -827,7 +827,7 @@ static int processCFI(const u8 *start, const u8 *end, unsigned long targetLoc, case DW_CFA_def_cfa: state->cfa.reg = get_uleb128(&ptr.p8, end); unw_debug("cfa_def_cfa: r%lu ", state->cfa.reg); - /* fall through */ + fallthrough; case DW_CFA_def_cfa_offset: state->cfa.offs = get_uleb128(&ptr.p8, end); unw_debug("cfa_def_cfa_offset: 0x%lx ", @@ -835,7 +835,7 @@ static int processCFI(const u8 *start, const u8 *end, unsigned long targetLoc, break; case DW_CFA_def_cfa_sf: state->cfa.reg = get_uleb128(&ptr.p8, end); - /* fall through */ + fallthrough; case DW_CFA_def_cfa_offset_sf: state->cfa.offs = get_sleb128(&ptr.p8, end) * state->dataAlign; diff --git a/arch/arc/mm/init.c b/arch/arc/mm/init.c index f886ac69d8ada1..3a35b82a718e3e 100644 --- a/arch/arc/mm/init.c +++ b/arch/arc/mm/init.c @@ -26,8 +26,8 @@ static unsigned long low_mem_sz; #ifdef CONFIG_HIGHMEM static unsigned long min_high_pfn, max_high_pfn; -static u64 high_mem_start; -static u64 high_mem_sz; +static phys_addr_t high_mem_start; +static phys_addr_t high_mem_sz; #endif #ifdef CONFIG_DISCONTIGMEM @@ -69,6 +69,7 @@ void __init early_init_dt_add_memory_arch(u64 base, u64 size) high_mem_sz = size; in_use = 1; memblock_add_node(base, size, 1); + memblock_reserve(base, size); #endif } @@ -157,7 +158,7 @@ void __init setup_arch_memory(void) min_high_pfn = PFN_DOWN(high_mem_start); max_high_pfn = PFN_DOWN(high_mem_start + high_mem_sz); - max_zone_pfn[ZONE_HIGHMEM] = max_high_pfn; + max_zone_pfn[ZONE_HIGHMEM] = min_low_pfn; high_memory = (void *)(min_high_pfn << PAGE_SHIFT); kmap_init(); @@ -166,22 +167,26 @@ void __init setup_arch_memory(void) free_area_init(max_zone_pfn); } -/* - * mem_init - initializes memory - * - * Frees up bootmem - * Calculates and displays memory available/used - */ -void __init mem_init(void) +static void __init highmem_init(void) { #ifdef CONFIG_HIGHMEM unsigned long tmp; - reset_all_zones_managed_pages(); + memblock_free(high_mem_start, high_mem_sz); for (tmp = min_high_pfn; tmp < max_high_pfn; tmp++) free_highmem_page(pfn_to_page(tmp)); #endif +} +/* + * mem_init - initializes memory + * + * Frees up bootmem + * Calculates and displays memory available/used + */ +void __init mem_init(void) +{ memblock_free_all(); + highmem_init(); mem_init_print_info(NULL); } diff --git a/arch/arc/plat-eznps/include/plat/ctop.h b/arch/arc/plat-eznps/include/plat/ctop.h index a4a61531c7fb93..77712c5ffe8482 100644 --- a/arch/arc/plat-eznps/include/plat/ctop.h +++ b/arch/arc/plat-eznps/include/plat/ctop.h @@ -33,7 +33,6 @@ #define CTOP_AUX_DPC (CTOP_AUX_BASE + 0x02C) #define CTOP_AUX_LPC (CTOP_AUX_BASE + 0x030) #define CTOP_AUX_EFLAGS (CTOP_AUX_BASE + 0x080) -#define CTOP_AUX_IACK (CTOP_AUX_BASE + 0x088) #define CTOP_AUX_GPA1 (CTOP_AUX_BASE + 0x08C) #define CTOP_AUX_UDMC (CTOP_AUX_BASE + 0x300) diff --git a/arch/arm/boot/dts/at91-sama5d2_icp.dts b/arch/arm/boot/dts/at91-sama5d2_icp.dts index 8d19925fc09e43..6783cf16ff818c 100644 --- a/arch/arm/boot/dts/at91-sama5d2_icp.dts +++ b/arch/arm/boot/dts/at91-sama5d2_icp.dts @@ -116,7 +116,6 @@ switch0: ksz8563@0 { compatible = "microchip,ksz8563"; reg = <0>; - phy-mode = "mii"; reset-gpios = <&pioA PIN_PD4 GPIO_ACTIVE_LOW>; spi-max-frequency = <500000>; @@ -140,6 +139,7 @@ reg = <2>; label = "cpu"; ethernet = <&macb0>; + phy-mode = "mii"; fixed-link { speed = <100>; full-duplex; diff --git a/arch/arm/boot/dts/bcm-hr2.dtsi b/arch/arm/boot/dts/bcm-hr2.dtsi index cbebed5f050eb0..e8df458aad392e 100644 --- a/arch/arm/boot/dts/bcm-hr2.dtsi +++ b/arch/arm/boot/dts/bcm-hr2.dtsi @@ -217,7 +217,7 @@ }; qspi: spi@27200 { - compatible = "brcm,spi-bcm-qspi", "brcm,spi-nsp-qspi"; + compatible = "brcm,spi-nsp-qspi", "brcm,spi-bcm-qspi"; reg = <0x027200 0x184>, <0x027000 0x124>, <0x11c408 0x004>, diff --git a/arch/arm/boot/dts/bcm-nsp.dtsi b/arch/arm/boot/dts/bcm-nsp.dtsi index 0346ea621f0f93..c846fa3c244d36 100644 --- a/arch/arm/boot/dts/bcm-nsp.dtsi +++ b/arch/arm/boot/dts/bcm-nsp.dtsi @@ -284,7 +284,7 @@ }; qspi: spi@27200 { - compatible = "brcm,spi-bcm-qspi", "brcm,spi-nsp-qspi"; + compatible = "brcm,spi-nsp-qspi", "brcm,spi-bcm-qspi"; reg = <0x027200 0x184>, <0x027000 0x124>, <0x11c408 0x004>, diff --git a/arch/arm/boot/dts/bcm2835-rpi.dtsi b/arch/arm/boot/dts/bcm2835-rpi.dtsi index f7ae5a4530b880..d94357b21f7e9d 100644 --- a/arch/arm/boot/dts/bcm2835-rpi.dtsi +++ b/arch/arm/boot/dts/bcm2835-rpi.dtsi @@ -13,7 +13,7 @@ soc { firmware: firmware { - compatible = "raspberrypi,bcm2835-firmware", "simple-bus"; + compatible = "raspberrypi,bcm2835-firmware", "simple-mfd"; #address-cells = <1>; #size-cells = <1>; diff --git a/arch/arm/boot/dts/bcm5301x.dtsi b/arch/arm/boot/dts/bcm5301x.dtsi index 2d9b4dd058307e..0016720ce53001 100644 --- a/arch/arm/boot/dts/bcm5301x.dtsi +++ b/arch/arm/boot/dts/bcm5301x.dtsi @@ -488,7 +488,7 @@ }; spi@18029200 { - compatible = "brcm,spi-bcm-qspi", "brcm,spi-nsp-qspi"; + compatible = "brcm,spi-nsp-qspi", "brcm,spi-bcm-qspi"; reg = <0x18029200 0x184>, <0x18029000 0x124>, <0x1811b408 0x004>, diff --git a/arch/arm/boot/dts/imx6q-logicpd.dts b/arch/arm/boot/dts/imx6q-logicpd.dts index 7a3d1d3e54a942..8f94364ba48472 100644 --- a/arch/arm/boot/dts/imx6q-logicpd.dts +++ b/arch/arm/boot/dts/imx6q-logicpd.dts @@ -13,7 +13,7 @@ backlight: backlight-lvds { compatible = "pwm-backlight"; - pwms = <&pwm3 0 20000>; + pwms = <&pwm3 0 20000 0>; brightness-levels = <0 4 8 16 32 64 128 255>; default-brightness-level = <6>; power-supply = <®_lcd>; diff --git a/arch/arm/boot/dts/imx6q-prtwd2.dts b/arch/arm/boot/dts/imx6q-prtwd2.dts index dffafbcaa7af33..349959d3802006 100644 --- a/arch/arm/boot/dts/imx6q-prtwd2.dts +++ b/arch/arm/boot/dts/imx6q-prtwd2.dts @@ -30,7 +30,7 @@ }; /* PRTWD2 rev 1 bitbang I2C for Ethernet Switch */ - i2c@4 { + i2c { compatible = "i2c-gpio"; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_i2c4>; diff --git a/arch/arm/boot/dts/imx6qdl-gw51xx.dtsi b/arch/arm/boot/dts/imx6qdl-gw51xx.dtsi index 7705285d9e3c7d..4d01c3300b975c 100644 --- a/arch/arm/boot/dts/imx6qdl-gw51xx.dtsi +++ b/arch/arm/boot/dts/imx6qdl-gw51xx.dtsi @@ -22,8 +22,6 @@ gpio-keys { compatible = "gpio-keys"; - #address-cells = <1>; - #size-cells = <0>; user-pb { label = "user_pb"; diff --git a/arch/arm/boot/dts/imx6sx-pinfunc.h b/arch/arm/boot/dts/imx6sx-pinfunc.h index 0b02c7e60c1745..f4dc46207954ce 100644 --- a/arch/arm/boot/dts/imx6sx-pinfunc.h +++ b/arch/arm/boot/dts/imx6sx-pinfunc.h @@ -1026,7 +1026,7 @@ #define MX6SX_PAD_QSPI1B_DQS__SIM_M_HADDR_15 0x01B0 0x04F8 0x0000 0x7 0x0 #define MX6SX_PAD_QSPI1B_SCLK__QSPI1_B_SCLK 0x01B4 0x04FC 0x0000 0x0 0x0 #define MX6SX_PAD_QSPI1B_SCLK__UART3_DCE_RX 0x01B4 0x04FC 0x0840 0x1 0x4 -#define MX6SX_PAD_QSPI1B_SCLK__UART3_DTE_TX 0x01B4 0x04FC 0x0000 0x0 0x0 +#define MX6SX_PAD_QSPI1B_SCLK__UART3_DTE_TX 0x01B4 0x04FC 0x0000 0x1 0x0 #define MX6SX_PAD_QSPI1B_SCLK__ECSPI3_SCLK 0x01B4 0x04FC 0x0730 0x2 0x1 #define MX6SX_PAD_QSPI1B_SCLK__ESAI_RX_HF_CLK 0x01B4 0x04FC 0x0780 0x3 0x2 #define MX6SX_PAD_QSPI1B_SCLK__CSI1_DATA_16 0x01B4 0x04FC 0x06DC 0x4 0x1 diff --git a/arch/arm/boot/dts/imx7d-zii-rmu2.dts b/arch/arm/boot/dts/imx7d-zii-rmu2.dts index e5e20b07f184b3..7cb6153fc650b1 100644 --- a/arch/arm/boot/dts/imx7d-zii-rmu2.dts +++ b/arch/arm/boot/dts/imx7d-zii-rmu2.dts @@ -58,7 +58,7 @@ <&clks IMX7D_ENET1_TIME_ROOT_CLK>; assigned-clock-parents = <&clks IMX7D_PLL_ENET_MAIN_100M_CLK>; assigned-clock-rates = <0>, <100000000>; - phy-mode = "rgmii"; + phy-mode = "rgmii-id"; phy-handle = <&fec1_phy>; status = "okay"; diff --git a/arch/arm/boot/dts/imx7ulp.dtsi b/arch/arm/boot/dts/imx7ulp.dtsi index 367439639da919..b7ea37ad4e55c4 100644 --- a/arch/arm/boot/dts/imx7ulp.dtsi +++ b/arch/arm/boot/dts/imx7ulp.dtsi @@ -394,7 +394,7 @@ clocks = <&pcc2 IMX7ULP_CLK_RGPIO2P1>, <&pcc3 IMX7ULP_CLK_PCTLC>; clock-names = "gpio", "port"; - gpio-ranges = <&iomuxc1 0 0 32>; + gpio-ranges = <&iomuxc1 0 0 20>; }; gpio_ptd: gpio@40af0000 { @@ -408,7 +408,7 @@ clocks = <&pcc2 IMX7ULP_CLK_RGPIO2P1>, <&pcc3 IMX7ULP_CLK_PCTLD>; clock-names = "gpio", "port"; - gpio-ranges = <&iomuxc1 0 32 32>; + gpio-ranges = <&iomuxc1 0 32 12>; }; gpio_pte: gpio@40b00000 { @@ -422,7 +422,7 @@ clocks = <&pcc2 IMX7ULP_CLK_RGPIO2P1>, <&pcc3 IMX7ULP_CLK_PCTLE>; clock-names = "gpio", "port"; - gpio-ranges = <&iomuxc1 0 64 32>; + gpio-ranges = <&iomuxc1 0 64 16>; }; gpio_ptf: gpio@40b10000 { @@ -436,7 +436,7 @@ clocks = <&pcc2 IMX7ULP_CLK_RGPIO2P1>, <&pcc3 IMX7ULP_CLK_PCTLF>; clock-names = "gpio", "port"; - gpio-ranges = <&iomuxc1 0 96 32>; + gpio-ranges = <&iomuxc1 0 96 20>; }; }; diff --git a/arch/arm/boot/dts/logicpd-som-lv-baseboard.dtsi b/arch/arm/boot/dts/logicpd-som-lv-baseboard.dtsi index 100396f6c2feb1..395e05f10d36ce 100644 --- a/arch/arm/boot/dts/logicpd-som-lv-baseboard.dtsi +++ b/arch/arm/boot/dts/logicpd-som-lv-baseboard.dtsi @@ -51,6 +51,8 @@ &mcbsp2 { status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&mcbsp2_pins>; }; &charger { @@ -102,35 +104,18 @@ regulator-max-microvolt = <3300000>; }; - lcd0: display@0 { - compatible = "panel-dpi"; - label = "28"; - status = "okay"; - /* default-on; */ + lcd0: display { + /* This isn't the exact LCD, but the timings meet spec */ + compatible = "logicpd,type28"; pinctrl-names = "default"; pinctrl-0 = <&lcd_enable_pin>; - enable-gpios = <&gpio5 27 GPIO_ACTIVE_HIGH>; /* gpio155, lcd INI */ + backlight = <&bl>; + enable-gpios = <&gpio5 27 GPIO_ACTIVE_HIGH>; port { lcd_in: endpoint { remote-endpoint = <&dpi_out>; }; }; - - panel-timing { - clock-frequency = <9000000>; - hactive = <480>; - vactive = <272>; - hfront-porch = <3>; - hback-porch = <2>; - hsync-len = <42>; - vback-porch = <3>; - vfront-porch = <2>; - vsync-len = <11>; - hsync-active = <1>; - vsync-active = <1>; - de-active = <1>; - pixelclk-active = <0>; - }; }; bl: backlight { diff --git a/arch/arm/boot/dts/logicpd-torpedo-baseboard.dtsi b/arch/arm/boot/dts/logicpd-torpedo-baseboard.dtsi index 381f0e82bb706c..b0f6613e6d5498 100644 --- a/arch/arm/boot/dts/logicpd-torpedo-baseboard.dtsi +++ b/arch/arm/boot/dts/logicpd-torpedo-baseboard.dtsi @@ -81,6 +81,8 @@ }; &mcbsp2 { + pinctrl-names = "default"; + pinctrl-0 = <&mcbsp2_pins>; status = "okay"; }; diff --git a/arch/arm/boot/dts/ls1021a.dtsi b/arch/arm/boot/dts/ls1021a.dtsi index 069af9a19bb644..827373ef1a547e 100644 --- a/arch/arm/boot/dts/ls1021a.dtsi +++ b/arch/arm/boot/dts/ls1021a.dtsi @@ -182,7 +182,7 @@ #address-cells = <1>; #size-cells = <0>; reg = <0x0 0x1550000 0x0 0x10000>, - <0x0 0x40000000 0x0 0x40000000>; + <0x0 0x40000000 0x0 0x20000000>; reg-names = "QuadSPI", "QuadSPI-memory"; interrupts = <GIC_SPI 131 IRQ_TYPE_LEVEL_HIGH>; clock-names = "qspi_en", "qspi"; diff --git a/arch/arm/boot/dts/omap5.dtsi b/arch/arm/boot/dts/omap5.dtsi index 5da9cff7a53c73..a82c96258a9336 100644 --- a/arch/arm/boot/dts/omap5.dtsi +++ b/arch/arm/boot/dts/omap5.dtsi @@ -488,11 +488,11 @@ }; }; - target-module@5000 { + target-module@4000 { compatible = "ti,sysc-omap2", "ti,sysc"; - reg = <0x5000 0x4>, - <0x5010 0x4>, - <0x5014 0x4>; + reg = <0x4000 0x4>, + <0x4010 0x4>, + <0x4014 0x4>; reg-names = "rev", "sysc", "syss"; ti,sysc-sidle = <SYSC_IDLE_FORCE>, <SYSC_IDLE_NO>, @@ -504,7 +504,7 @@ ti,syss-mask = <1>; #address-cells = <1>; #size-cells = <1>; - ranges = <0 0x5000 0x1000>; + ranges = <0 0x4000 0x1000>; dsi1: encoder@0 { compatible = "ti,omap5-dsi"; @@ -514,8 +514,9 @@ reg-names = "proto", "phy", "pll"; interrupts = <GIC_SPI 53 IRQ_TYPE_LEVEL_HIGH>; status = "disabled"; - clocks = <&dss_clkctrl OMAP5_DSS_CORE_CLKCTRL 8>; - clock-names = "fck"; + clocks = <&dss_clkctrl OMAP5_DSS_CORE_CLKCTRL 8>, + <&dss_clkctrl OMAP5_DSS_CORE_CLKCTRL 10>; + clock-names = "fck", "sys_clk"; }; }; @@ -545,8 +546,9 @@ reg-names = "proto", "phy", "pll"; interrupts = <GIC_SPI 55 IRQ_TYPE_LEVEL_HIGH>; status = "disabled"; - clocks = <&dss_clkctrl OMAP5_DSS_CORE_CLKCTRL 8>; - clock-names = "fck"; + clocks = <&dss_clkctrl OMAP5_DSS_CORE_CLKCTRL 8>, + <&dss_clkctrl OMAP5_DSS_CORE_CLKCTRL 10>; + clock-names = "fck", "sys_clk"; }; }; diff --git a/arch/arm/boot/dts/socfpga_arria10.dtsi b/arch/arm/boot/dts/socfpga_arria10.dtsi index fc4abef143a066..0013ec3463c465 100644 --- a/arch/arm/boot/dts/socfpga_arria10.dtsi +++ b/arch/arm/boot/dts/socfpga_arria10.dtsi @@ -821,7 +821,7 @@ timer3: timer3@ffd00100 { compatible = "snps,dw-apb-timer"; interrupts = <0 118 IRQ_TYPE_LEVEL_HIGH>; - reg = <0xffd01000 0x100>; + reg = <0xffd00100 0x100>; clocks = <&l4_sys_free_clk>; clock-names = "timer"; resets = <&rst L4SYSTIMER1_RESET>; diff --git a/arch/arm/boot/dts/vfxxx.dtsi b/arch/arm/boot/dts/vfxxx.dtsi index 0fe03aa0367f23..2259d11af721e8 100644 --- a/arch/arm/boot/dts/vfxxx.dtsi +++ b/arch/arm/boot/dts/vfxxx.dtsi @@ -495,7 +495,7 @@ }; ocotp: ocotp@400a5000 { - compatible = "fsl,vf610-ocotp"; + compatible = "fsl,vf610-ocotp", "syscon"; reg = <0x400a5000 0x1000>; clocks = <&clks VF610_CLK_OCOTP>; }; diff --git a/arch/arm/configs/integrator_defconfig b/arch/arm/configs/integrator_defconfig index a9755c501bec40..b06e537d514903 100644 --- a/arch/arm/configs/integrator_defconfig +++ b/arch/arm/configs/integrator_defconfig @@ -1,13 +1,11 @@ CONFIG_SYSVIPC=y CONFIG_NO_HZ=y CONFIG_HIGH_RES_TIMERS=y +CONFIG_PREEMPT=y CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y CONFIG_LOG_BUF_SHIFT=14 CONFIG_BLK_DEV_INITRD=y -CONFIG_MODULES=y -CONFIG_MODULE_UNLOAD=y -CONFIG_PARTITION_ADVANCED=y CONFIG_ARCH_MULTI_V4T=y CONFIG_ARCH_MULTI_V5=y # CONFIG_ARCH_MULTI_V7 is not set @@ -15,19 +13,17 @@ CONFIG_ARCH_INTEGRATOR=y CONFIG_ARCH_INTEGRATOR_AP=y CONFIG_INTEGRATOR_IMPD1=y CONFIG_ARCH_INTEGRATOR_CP=y -CONFIG_PCI=y -CONFIG_PREEMPT=y CONFIG_AEABI=y # CONFIG_ATAGS is not set -CONFIG_ZBOOT_ROM_TEXT=0x0 -CONFIG_ZBOOT_ROM_BSS=0x0 CONFIG_CMDLINE="console=ttyAM0,38400n8 root=/dev/nfs ip=bootp" CONFIG_CPU_FREQ=y CONFIG_CPU_FREQ_GOV_POWERSAVE=y CONFIG_CPU_FREQ_GOV_USERSPACE=y CONFIG_CPU_FREQ_GOV_ONDEMAND=y CONFIG_CPUFREQ_DT=y -CONFIG_CMA=y +CONFIG_MODULES=y +CONFIG_MODULE_UNLOAD=y +CONFIG_PARTITION_ADVANCED=y CONFIG_NET=y CONFIG_PACKET=y CONFIG_UNIX=y @@ -37,6 +33,7 @@ CONFIG_IP_PNP=y CONFIG_IP_PNP_DHCP=y CONFIG_IP_PNP_BOOTP=y # CONFIG_IPV6 is not set +CONFIG_PCI=y CONFIG_MTD=y CONFIG_MTD_CMDLINE_PARTS=y CONFIG_MTD_AFS_PARTS=y @@ -52,9 +49,12 @@ CONFIG_BLK_DEV_RAM_SIZE=8192 CONFIG_NETDEVICES=y CONFIG_E100=y CONFIG_SMC91X=y +CONFIG_INPUT_EVDEV=y # CONFIG_KEYBOARD_ATKBD is not set +CONFIG_KEYBOARD_GPIO=y # CONFIG_SERIO_SERPORT is not set CONFIG_DRM=y +CONFIG_DRM_DISPLAY_CONNECTOR=y CONFIG_DRM_SIMPLE_BRIDGE=y CONFIG_DRM_PL111=y CONFIG_FB_MODE_HELPERS=y diff --git a/arch/arm/kernel/hw_breakpoint.c b/arch/arm/kernel/hw_breakpoint.c index 7fff88e612525c..7a4853b1213a8e 100644 --- a/arch/arm/kernel/hw_breakpoint.c +++ b/arch/arm/kernel/hw_breakpoint.c @@ -547,7 +547,7 @@ static int arch_build_bp_info(struct perf_event *bp, if ((hw->ctrl.type != ARM_BREAKPOINT_EXECUTE) && max_watchpoint_len >= 8) break; - /* Else, fall through */ + fallthrough; default: return -EINVAL; } @@ -612,12 +612,12 @@ int hw_breakpoint_arch_parse(struct perf_event *bp, /* Allow halfword watchpoints and breakpoints. */ if (hw->ctrl.len == ARM_BREAKPOINT_LEN_2) break; - /* Else, fall through */ + fallthrough; case 3: /* Allow single byte watchpoint. */ if (hw->ctrl.len == ARM_BREAKPOINT_LEN_1) break; - /* Else, fall through */ + fallthrough; default: ret = -EINVAL; goto out; @@ -884,7 +884,7 @@ static int hw_breakpoint_pending(unsigned long addr, unsigned int fsr, break; case ARM_ENTRY_ASYNC_WATCHPOINT: WARN(1, "Asynchronous watchpoint exception taken. Debugging results may be unreliable\n"); - /* Fall through */ + fallthrough; case ARM_ENTRY_SYNC_WATCHPOINT: watchpoint_handler(addr, fsr, regs); break; @@ -933,7 +933,7 @@ static bool core_has_os_save_restore(void) ARM_DBG_READ(c1, c1, 4, oslsr); if (oslsr & ARM_OSLSR_OSLM0) return true; - /* Else, fall through */ + fallthrough; default: return false; } diff --git a/arch/arm/kernel/signal.c b/arch/arm/kernel/signal.c index c9dc912b83f012..c1892f733f208d 100644 --- a/arch/arm/kernel/signal.c +++ b/arch/arm/kernel/signal.c @@ -596,7 +596,7 @@ static int do_signal(struct pt_regs *regs, int syscall) switch (retval) { case -ERESTART_RESTARTBLOCK: restart -= 2; - /* Fall through */ + fallthrough; case -ERESTARTNOHAND: case -ERESTARTSYS: case -ERESTARTNOINTR: diff --git a/arch/arm/mach-ep93xx/crunch.c b/arch/arm/mach-ep93xx/crunch.c index 1c05c5bf7e5c89..757032d82f6309 100644 --- a/arch/arm/mach-ep93xx/crunch.c +++ b/arch/arm/mach-ep93xx/crunch.c @@ -49,7 +49,7 @@ static int crunch_do(struct notifier_block *self, unsigned long cmd, void *t) * FALLTHROUGH: Ensure we don't try to overwrite our newly * initialised state information on the first fault. */ - /* Fall through */ + fallthrough; case THREAD_NOTIFY_EXIT: crunch_task_release(thread); diff --git a/arch/arm/mach-imx/cpuidle-imx6q.c b/arch/arm/mach-imx/cpuidle-imx6q.c index 24dd5bbe60e43c..094337dc1bc7e3 100644 --- a/arch/arm/mach-imx/cpuidle-imx6q.c +++ b/arch/arm/mach-imx/cpuidle-imx6q.c @@ -24,7 +24,9 @@ static int imx6q_enter_wait(struct cpuidle_device *dev, imx6_set_lpm(WAIT_UNCLOCKED); raw_spin_unlock(&cpuidle_lock); + rcu_idle_enter(); cpu_do_idle(); + rcu_idle_exit(); raw_spin_lock(&cpuidle_lock); if (num_idle_cpus-- == num_online_cpus()) @@ -44,7 +46,7 @@ static struct cpuidle_driver imx6q_cpuidle_driver = { { .exit_latency = 50, .target_residency = 75, - .flags = CPUIDLE_FLAG_TIMER_STOP, + .flags = CPUIDLE_FLAG_TIMER_STOP | CPUIDLE_FLAG_RCU_IDLE, .enter = imx6q_enter_wait, .name = "WAIT", .desc = "Clock off", diff --git a/arch/arm/mach-mmp/pm-mmp2.c b/arch/arm/mach-mmp/pm-mmp2.c index 2d86381e152d66..7a6f74c32d428f 100644 --- a/arch/arm/mach-mmp/pm-mmp2.c +++ b/arch/arm/mach-mmp/pm-mmp2.c @@ -123,19 +123,19 @@ void mmp2_pm_enter_lowpower_mode(int state) case POWER_MODE_SYS_SLEEP: apcr |= MPMU_PCR_PJ_SLPEN; /* set the SLPEN bit */ apcr |= MPMU_PCR_PJ_VCTCXOSD; /* set VCTCXOSD */ - /* fall through */ + fallthrough; case POWER_MODE_CHIP_SLEEP: apcr |= MPMU_PCR_PJ_SLPEN; - /* fall through */ + fallthrough; case POWER_MODE_APPS_SLEEP: apcr |= MPMU_PCR_PJ_APBSD; /* set APBSD */ - /* fall through */ + fallthrough; case POWER_MODE_APPS_IDLE: apcr |= MPMU_PCR_PJ_AXISD; /* set AXISDD bit */ apcr |= MPMU_PCR_PJ_DDRCORSD; /* set DDRCORSD bit */ idle_cfg |= APMU_PJ_IDLE_CFG_PJ_PWRDWN; /* PJ power down */ apcr |= MPMU_PCR_PJ_SPSD; - /* fall through */ + fallthrough; case POWER_MODE_CORE_EXTIDLE: idle_cfg |= APMU_PJ_IDLE_CFG_PJ_IDLE; /* set the IDLE bit */ idle_cfg &= ~APMU_PJ_IDLE_CFG_ISO_MODE_CNTRL_MASK; diff --git a/arch/arm/mach-mmp/pm-pxa910.c b/arch/arm/mach-mmp/pm-pxa910.c index 69ebe18ff209fa..1d71d73c186206 100644 --- a/arch/arm/mach-mmp/pm-pxa910.c +++ b/arch/arm/mach-mmp/pm-pxa910.c @@ -145,23 +145,23 @@ void pxa910_pm_enter_lowpower_mode(int state) case POWER_MODE_UDR: /* only shutdown APB in UDR */ apcr |= MPMU_APCR_STBYEN | MPMU_APCR_APBSD; - /* fall through */ + fallthrough; case POWER_MODE_SYS_SLEEP: apcr |= MPMU_APCR_SLPEN; /* set the SLPEN bit */ apcr |= MPMU_APCR_VCTCXOSD; /* set VCTCXOSD */ - /* fall through */ + fallthrough; case POWER_MODE_APPS_SLEEP: apcr |= MPMU_APCR_DDRCORSD; /* set DDRCORSD */ - /* fall through */ + fallthrough; case POWER_MODE_APPS_IDLE: apcr |= MPMU_APCR_AXISD; /* set AXISDD bit */ - /* fall through */ + fallthrough; case POWER_MODE_CORE_EXTIDLE: idle_cfg |= APMU_MOH_IDLE_CFG_MOH_IDLE; idle_cfg |= APMU_MOH_IDLE_CFG_MOH_PWRDWN; idle_cfg |= APMU_MOH_IDLE_CFG_MOH_PWR_SW(3) | APMU_MOH_IDLE_CFG_MOH_L2_PWR_SW(3); - /* fall through */ + fallthrough; case POWER_MODE_CORE_INTIDLE: break; } diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c index 1d119b974f5ff9..59755b5a1ad7a5 100644 --- a/arch/arm/mach-omap2/id.c +++ b/arch/arm/mach-omap2/id.c @@ -396,7 +396,6 @@ void __init omap3xxx_check_revision(void) cpu_rev = "3.1"; break; case 7: - /* FALLTHROUGH */ default: /* Use the latest known revision as default */ omap_revision = OMAP3430_REV_ES3_1_2; @@ -416,7 +415,6 @@ void __init omap3xxx_check_revision(void) cpu_rev = "1.0"; break; case 1: - /* FALLTHROUGH */ default: omap_revision = AM35XX_REV_ES1_1; cpu_rev = "1.1"; @@ -435,7 +433,6 @@ void __init omap3xxx_check_revision(void) cpu_rev = "1.1"; break; case 2: - /* FALLTHROUGH */ default: omap_revision = OMAP3630_REV_ES1_2; cpu_rev = "1.2"; @@ -456,7 +453,6 @@ void __init omap3xxx_check_revision(void) cpu_rev = "2.0"; break; case 3: - /* FALLTHROUGH */ default: omap_revision = TI8168_REV_ES2_1; cpu_rev = "2.1"; @@ -473,7 +469,6 @@ void __init omap3xxx_check_revision(void) cpu_rev = "2.0"; break; case 2: - /* FALLTHROUGH */ default: omap_revision = AM335X_REV_ES2_1; cpu_rev = "2.1"; @@ -491,7 +486,6 @@ void __init omap3xxx_check_revision(void) cpu_rev = "1.1"; break; case 2: - /* FALLTHROUGH */ default: omap_revision = AM437X_REV_ES1_2; cpu_rev = "1.2"; @@ -502,7 +496,6 @@ void __init omap3xxx_check_revision(void) case 0xb968: switch (rev) { case 0: - /* FALLTHROUGH */ case 1: omap_revision = TI8148_REV_ES1_0; cpu_rev = "1.0"; @@ -512,7 +505,6 @@ void __init omap3xxx_check_revision(void) cpu_rev = "2.0"; break; case 3: - /* FALLTHROUGH */ default: omap_revision = TI8148_REV_ES2_1; cpu_rev = "2.1"; diff --git a/arch/arm/mach-omap2/omap-iommu.c b/arch/arm/mach-omap2/omap-iommu.c index 54aff33e55e6ef..bfa5e1b8dba7f8 100644 --- a/arch/arm/mach-omap2/omap-iommu.c +++ b/arch/arm/mach-omap2/omap-iommu.c @@ -74,7 +74,7 @@ static struct powerdomain *_get_pwrdm(struct device *dev) return pwrdm; clk = of_clk_get(dev->of_node->parent, 0); - if (!clk) { + if (IS_ERR(clk)) { dev_err(dev, "no fck found\n"); return NULL; } diff --git a/arch/arm/mach-omap2/omap_device.c b/arch/arm/mach-omap2/omap_device.c index 6b4548f3b57f08..fc7bb2ca16727d 100644 --- a/arch/arm/mach-omap2/omap_device.c +++ b/arch/arm/mach-omap2/omap_device.c @@ -240,7 +240,7 @@ static int _omap_device_notifier_call(struct notifier_block *nb, if (pdev->dev.of_node) omap_device_build_from_dt(pdev); omap_auxdata_legacy_init(dev); - /* fall through */ + fallthrough; default: od = to_omap_device(pdev); if (od) diff --git a/arch/arm/mach-orion5x/dns323-setup.c b/arch/arm/mach-orion5x/dns323-setup.c index d13344b2ddcd4e..87cb47220e8259 100644 --- a/arch/arm/mach-orion5x/dns323-setup.c +++ b/arch/arm/mach-orion5x/dns323-setup.c @@ -624,7 +624,7 @@ static void __init dns323_init(void) dns323ab_leds[0].active_low = 1; gpio_request(DNS323_GPIO_LED_POWER1, "Power Led Enable"); gpio_direction_output(DNS323_GPIO_LED_POWER1, 0); - /* Fall through */ + fallthrough; case DNS323_REV_B1: i2c_register_board_info(0, dns323ab_i2c_devices, ARRAY_SIZE(dns323ab_i2c_devices)); diff --git a/arch/arm/mach-rpc/riscpc.c b/arch/arm/mach-rpc/riscpc.c index ea2c84214bac18..d23970bd638d9b 100644 --- a/arch/arm/mach-rpc/riscpc.c +++ b/arch/arm/mach-rpc/riscpc.c @@ -46,7 +46,7 @@ static int __init parse_tag_acorn(const struct tag *tag) switch (tag->u.acorn.vram_pages) { case 512: vram_size += PAGE_SIZE * 256; - /* Fall through - ??? */ + fallthrough; /* ??? */ case 256: vram_size += PAGE_SIZE * 256; default: diff --git a/arch/arm/mach-tegra/reset.c b/arch/arm/mach-tegra/reset.c index 76a65df42d10f2..d5c805adf7a82b 100644 --- a/arch/arm/mach-tegra/reset.c +++ b/arch/arm/mach-tegra/reset.c @@ -70,7 +70,7 @@ static void __init tegra_cpu_reset_handler_enable(void) switch (err) { case -ENOSYS: tegra_cpu_reset_handler_set(reset_address); - /* fall through */ + fallthrough; case 0: is_enabled = true; break; diff --git a/arch/arm/mm/alignment.c b/arch/arm/mm/alignment.c index f4bfc1cac91aa2..ea81e89e77400e 100644 --- a/arch/arm/mm/alignment.c +++ b/arch/arm/mm/alignment.c @@ -694,7 +694,7 @@ thumb2arm(u16 tinstr) return subset[(L<<1) | ((tinstr & (1<<8)) >> 8)] | (tinstr & 255); /* register_list */ } - /* Else, fall through - for illegal instruction case */ + fallthrough; /* for illegal instruction case */ default: return BAD_INSTR; @@ -750,7 +750,7 @@ do_alignment_t32_to_handler(u32 *pinstr, struct pt_regs *regs, case 0xe8e0: case 0xe9e0: poffset->un = (tinst2 & 0xff) << 2; - /* Fall through */ + fallthrough; case 0xe940: case 0xe9c0: diff --git a/arch/arm/mm/proc-v7-bugs.c b/arch/arm/mm/proc-v7-bugs.c index c0fbfca5da8bfe..114c05ab4dd919 100644 --- a/arch/arm/mm/proc-v7-bugs.c +++ b/arch/arm/mm/proc-v7-bugs.c @@ -71,7 +71,7 @@ static void cpu_v7_spectre_init(void) /* Other ARM CPUs require no workaround */ if (read_cpuid_implementor() == ARM_CPU_IMP_ARM) break; - /* fallthrough */ + fallthrough; /* Cortex A57/A72 require firmware workaround */ case ARM_CPU_PART_CORTEX_A57: case ARM_CPU_PART_CORTEX_A72: { diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c index b2e9e822426fd0..1eb59003bdecde 100644 --- a/arch/arm/plat-omap/dma.c +++ b/arch/arm/plat-omap/dma.c @@ -309,14 +309,14 @@ void omap_set_dma_src_burst_mode(int lch, enum omap_dma_burst_mode burst_mode) * not supported by current hardware on OMAP1 * w |= (0x03 << 7); */ - /* fall through */ + fallthrough; case OMAP_DMA_DATA_BURST_16: if (dma_omap2plus()) { burst = 0x3; break; } /* OMAP1 don't support burst 16 */ - /* fall through */ + fallthrough; default: BUG(); } @@ -393,7 +393,7 @@ void omap_set_dma_dest_burst_mode(int lch, enum omap_dma_burst_mode burst_mode) break; } /* OMAP1 don't support burst 16 */ - /* fall through */ + fallthrough; default: printk(KERN_ERR "Invalid DMA burst mode\n"); BUG(); diff --git a/arch/arm/probes/decode.c b/arch/arm/probes/decode.c index fe81a9c21f2d2d..c84053a81358f3 100644 --- a/arch/arm/probes/decode.c +++ b/arch/arm/probes/decode.c @@ -307,7 +307,7 @@ static bool __kprobes decode_regs(probes_opcode_t *pinsn, u32 regs, bool modify) case REG_TYPE_NOPCWB: if (!is_writeback(insn)) break; /* No writeback, so any register is OK */ - /* fall through... */ + fallthrough; case REG_TYPE_NOPC: case REG_TYPE_NOPCX: /* Reject PC (R15) */ diff --git a/arch/arm/probes/kprobes/core.c b/arch/arm/probes/kprobes/core.c index 90b5bc723c83f0..feefa2055ebaa5 100644 --- a/arch/arm/probes/kprobes/core.c +++ b/arch/arm/probes/kprobes/core.c @@ -280,7 +280,7 @@ void __kprobes kprobe_handler(struct pt_regs *regs) /* A nested probe was hit in FIQ, it is a BUG */ pr_warn("Unrecoverable kprobe detected.\n"); dump_kprobe(p); - /* fall through */ + fallthrough; default: /* impossible cases */ BUG(); diff --git a/arch/arm/xen/enlighten.c b/arch/arm/xen/enlighten.c index e93145d72c26e0..a6ab3689b2f4a0 100644 --- a/arch/arm/xen/enlighten.c +++ b/arch/arm/xen/enlighten.c @@ -150,7 +150,7 @@ static int xen_starting_cpu(unsigned int cpu) pr_info("Xen: initializing cpu%d\n", cpu); vcpup = per_cpu_ptr(xen_vcpu_info, cpu); - info.mfn = virt_to_gfn(vcpup); + info.mfn = percpu_to_gfn(vcpup); info.offset = xen_offset_in_page(vcpup); err = HYPERVISOR_vcpu_op(VCPUOP_register_vcpu_info, xen_vcpu_nr(cpu), diff --git a/arch/arm64/Makefile b/arch/arm64/Makefile index b45f0124cc16f3..130569f90c54ae 100644 --- a/arch/arm64/Makefile +++ b/arch/arm64/Makefile @@ -82,8 +82,8 @@ endif # compiler to generate them and consequently to break the single image contract # we pass it only to the assembler. This option is utilized only in case of non # integrated assemblers. -ifneq ($(CONFIG_AS_HAS_ARMV8_4), y) -branch-prot-flags-$(CONFIG_AS_HAS_PAC) += -Wa,-march=armv8.3-a +ifeq ($(CONFIG_AS_HAS_PAC), y) +asm-arch := armv8.3-a endif endif @@ -91,7 +91,12 @@ KBUILD_CFLAGS += $(branch-prot-flags-y) ifeq ($(CONFIG_AS_HAS_ARMV8_4), y) # make sure to pass the newest target architecture to -march. -KBUILD_CFLAGS += -Wa,-march=armv8.4-a +asm-arch := armv8.4-a +endif + +ifdef asm-arch +KBUILD_CFLAGS += -Wa,-march=$(asm-arch) \ + -DARM64_ASM_ARCH='"$(asm-arch)"' endif ifeq ($(CONFIG_SHADOW_CALL_STACK), y) @@ -165,7 +170,8 @@ zinstall install: PHONY += vdso_install vdso_install: $(Q)$(MAKE) $(build)=arch/arm64/kernel/vdso $@ - $(Q)$(MAKE) $(build)=arch/arm64/kernel/vdso32 $@ + $(if $(CONFIG_COMPAT_VDSO), \ + $(Q)$(MAKE) $(build)=arch/arm64/kernel/vdso32 $@) # We use MRPROPER_FILES and CLEAN_FILES now archclean: diff --git a/arch/arm64/boot/dts/broadcom/northstar2/ns2.dtsi b/arch/arm64/boot/dts/broadcom/northstar2/ns2.dtsi index 15f7b0ed38369a..39802066232e1e 100644 --- a/arch/arm64/boot/dts/broadcom/northstar2/ns2.dtsi +++ b/arch/arm64/boot/dts/broadcom/northstar2/ns2.dtsi @@ -745,7 +745,7 @@ }; qspi: spi@66470200 { - compatible = "brcm,spi-bcm-qspi", "brcm,spi-ns2-qspi"; + compatible = "brcm,spi-ns2-qspi", "brcm,spi-bcm-qspi"; reg = <0x66470200 0x184>, <0x66470000 0x124>, <0x67017408 0x004>, diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile index a39f0a1723e026..903c0eb61290d3 100644 --- a/arch/arm64/boot/dts/freescale/Makefile +++ b/arch/arm64/boot/dts/freescale/Makefile @@ -28,6 +28,7 @@ dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-lx2160a-honeycomb.dtb dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-lx2160a-qds.dtb dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-lx2160a-rdb.dtb +dtb-$(CONFIG_ARCH_MXC) += imx8mm-beacon-kit.dtb dtb-$(CONFIG_ARCH_MXC) += imx8mm-evk.dtb dtb-$(CONFIG_ARCH_MXC) += imx8mn-evk.dtb dtb-$(CONFIG_ARCH_MXC) += imx8mn-ddr4-evk.dtb diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dts/freescale/imx8mp.dtsi index 9de2aa1c573c7f..a5154f13a18e92 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi @@ -702,7 +702,7 @@ reg = <0x30bd0000 0x10000>; interrupts = <GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>; clocks = <&clk IMX8MP_CLK_SDMA1_ROOT>, - <&clk IMX8MP_CLK_SDMA1_ROOT>; + <&clk IMX8MP_CLK_AHB>; clock-names = "ipg", "ahb"; #dma-cells = <3>; fsl,sdma-ram-script-name = "imx/sdma/sdma-imx7d.bin"; diff --git a/arch/arm64/boot/dts/freescale/imx8mq.dtsi b/arch/arm64/boot/dts/freescale/imx8mq.dtsi index f70435cf9ad57c..561fa792fe5a98 100644 --- a/arch/arm64/boot/dts/freescale/imx8mq.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mq.dtsi @@ -423,7 +423,7 @@ tmu: tmu@30260000 { compatible = "fsl,imx8mq-tmu"; reg = <0x30260000 0x10000>; - interrupt = <GIC_SPI 49 IRQ_TYPE_LEVEL_HIGH>; + interrupts = <GIC_SPI 49 IRQ_TYPE_LEVEL_HIGH>; clocks = <&clk IMX8MQ_CLK_TMU_ROOT>; little-endian; fsl,tmu-range = <0xb0000 0xa0026 0x80048 0x70061>; diff --git a/arch/arm64/boot/dts/mediatek/mt7622.dtsi b/arch/arm64/boot/dts/mediatek/mt7622.dtsi index 1a39e0ef776bb3..5b9ec032ce8d8d 100644 --- a/arch/arm64/boot/dts/mediatek/mt7622.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt7622.dtsi @@ -686,6 +686,8 @@ clocks = <&pericfg CLK_PERI_MSDC30_0_PD>, <&topckgen CLK_TOP_MSDC50_0_SEL>; clock-names = "source", "hclk"; + resets = <&pericfg MT7622_PERI_MSDC0_SW_RST>; + reset-names = "hrst"; status = "disabled"; }; diff --git a/arch/arm64/boot/dts/nvidia/tegra186.dtsi b/arch/arm64/boot/dts/nvidia/tegra186.dtsi index 34d249d85da765..8eb61dd9921ebf 100644 --- a/arch/arm64/boot/dts/nvidia/tegra186.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra186.dtsi @@ -337,8 +337,9 @@ compatible = "nvidia,tegra186-sdhci"; reg = <0x0 0x03400000 0x0 0x10000>; interrupts = <GIC_SPI 62 IRQ_TYPE_LEVEL_HIGH>; - clocks = <&bpmp TEGRA186_CLK_SDMMC1>; - clock-names = "sdhci"; + clocks = <&bpmp TEGRA186_CLK_SDMMC1>, + <&bpmp TEGRA186_CLK_SDMMC_LEGACY_TM>; + clock-names = "sdhci", "tmclk"; resets = <&bpmp TEGRA186_RESET_SDMMC1>; reset-names = "sdhci"; interconnects = <&mc TEGRA186_MEMORY_CLIENT_SDMMCRA &emc>, @@ -366,8 +367,9 @@ compatible = "nvidia,tegra186-sdhci"; reg = <0x0 0x03420000 0x0 0x10000>; interrupts = <GIC_SPI 63 IRQ_TYPE_LEVEL_HIGH>; - clocks = <&bpmp TEGRA186_CLK_SDMMC2>; - clock-names = "sdhci"; + clocks = <&bpmp TEGRA186_CLK_SDMMC2>, + <&bpmp TEGRA186_CLK_SDMMC_LEGACY_TM>; + clock-names = "sdhci", "tmclk"; resets = <&bpmp TEGRA186_RESET_SDMMC2>; reset-names = "sdhci"; interconnects = <&mc TEGRA186_MEMORY_CLIENT_SDMMCRAA &emc>, @@ -390,8 +392,9 @@ compatible = "nvidia,tegra186-sdhci"; reg = <0x0 0x03440000 0x0 0x10000>; interrupts = <GIC_SPI 64 IRQ_TYPE_LEVEL_HIGH>; - clocks = <&bpmp TEGRA186_CLK_SDMMC3>; - clock-names = "sdhci"; + clocks = <&bpmp TEGRA186_CLK_SDMMC3>, + <&bpmp TEGRA186_CLK_SDMMC_LEGACY_TM>; + clock-names = "sdhci", "tmclk"; resets = <&bpmp TEGRA186_RESET_SDMMC3>; reset-names = "sdhci"; interconnects = <&mc TEGRA186_MEMORY_CLIENT_SDMMCR &emc>, @@ -416,8 +419,9 @@ compatible = "nvidia,tegra186-sdhci"; reg = <0x0 0x03460000 0x0 0x10000>; interrupts = <GIC_SPI 65 IRQ_TYPE_LEVEL_HIGH>; - clocks = <&bpmp TEGRA186_CLK_SDMMC4>; - clock-names = "sdhci"; + clocks = <&bpmp TEGRA186_CLK_SDMMC4>, + <&bpmp TEGRA186_CLK_SDMMC_LEGACY_TM>; + clock-names = "sdhci", "tmclk"; assigned-clocks = <&bpmp TEGRA186_CLK_SDMMC4>, <&bpmp TEGRA186_CLK_PLLC4_VCO>; assigned-clock-parents = <&bpmp TEGRA186_CLK_PLLC4_VCO>; diff --git a/arch/arm64/boot/dts/nvidia/tegra194.dtsi b/arch/arm64/boot/dts/nvidia/tegra194.dtsi index 48160f48003aa6..ca5cb6aef5ee43 100644 --- a/arch/arm64/boot/dts/nvidia/tegra194.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra194.dtsi @@ -460,8 +460,9 @@ compatible = "nvidia,tegra194-sdhci"; reg = <0x03400000 0x10000>; interrupts = <GIC_SPI 62 IRQ_TYPE_LEVEL_HIGH>; - clocks = <&bpmp TEGRA194_CLK_SDMMC1>; - clock-names = "sdhci"; + clocks = <&bpmp TEGRA194_CLK_SDMMC1>, + <&bpmp TEGRA194_CLK_SDMMC_LEGACY_TM>; + clock-names = "sdhci", "tmclk"; resets = <&bpmp TEGRA194_RESET_SDMMC1>; reset-names = "sdhci"; interconnects = <&mc TEGRA194_MEMORY_CLIENT_SDMMCRA &emc>, @@ -485,8 +486,9 @@ compatible = "nvidia,tegra194-sdhci"; reg = <0x03440000 0x10000>; interrupts = <GIC_SPI 64 IRQ_TYPE_LEVEL_HIGH>; - clocks = <&bpmp TEGRA194_CLK_SDMMC3>; - clock-names = "sdhci"; + clocks = <&bpmp TEGRA194_CLK_SDMMC3>, + <&bpmp TEGRA194_CLK_SDMMC_LEGACY_TM>; + clock-names = "sdhci", "tmclk"; resets = <&bpmp TEGRA194_RESET_SDMMC3>; reset-names = "sdhci"; interconnects = <&mc TEGRA194_MEMORY_CLIENT_SDMMCR &emc>, @@ -511,8 +513,9 @@ compatible = "nvidia,tegra194-sdhci"; reg = <0x03460000 0x10000>; interrupts = <GIC_SPI 65 IRQ_TYPE_LEVEL_HIGH>; - clocks = <&bpmp TEGRA194_CLK_SDMMC4>; - clock-names = "sdhci"; + clocks = <&bpmp TEGRA194_CLK_SDMMC4>, + <&bpmp TEGRA194_CLK_SDMMC_LEGACY_TM>; + clock-names = "sdhci", "tmclk"; assigned-clocks = <&bpmp TEGRA194_CLK_SDMMC4>, <&bpmp TEGRA194_CLK_PLLC4>; assigned-clock-parents = diff --git a/arch/arm64/boot/dts/nvidia/tegra210.dtsi b/arch/arm64/boot/dts/nvidia/tegra210.dtsi index 829f786af1338d..8cca2166a446ab 100644 --- a/arch/arm64/boot/dts/nvidia/tegra210.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra210.dtsi @@ -1194,8 +1194,9 @@ compatible = "nvidia,tegra210-sdhci"; reg = <0x0 0x700b0000 0x0 0x200>; interrupts = <GIC_SPI 14 IRQ_TYPE_LEVEL_HIGH>; - clocks = <&tegra_car TEGRA210_CLK_SDMMC1>; - clock-names = "sdhci"; + clocks = <&tegra_car TEGRA210_CLK_SDMMC1>, + <&tegra_car TEGRA210_CLK_SDMMC_LEGACY>; + clock-names = "sdhci", "tmclk"; resets = <&tegra_car 14>; reset-names = "sdhci"; pinctrl-names = "sdmmc-3v3", "sdmmc-1v8", @@ -1222,8 +1223,9 @@ compatible = "nvidia,tegra210-sdhci"; reg = <0x0 0x700b0200 0x0 0x200>; interrupts = <GIC_SPI 15 IRQ_TYPE_LEVEL_HIGH>; - clocks = <&tegra_car TEGRA210_CLK_SDMMC2>; - clock-names = "sdhci"; + clocks = <&tegra_car TEGRA210_CLK_SDMMC2>, + <&tegra_car TEGRA210_CLK_SDMMC_LEGACY>; + clock-names = "sdhci", "tmclk"; resets = <&tegra_car 9>; reset-names = "sdhci"; pinctrl-names = "sdmmc-1v8-drv"; @@ -1239,8 +1241,9 @@ compatible = "nvidia,tegra210-sdhci"; reg = <0x0 0x700b0400 0x0 0x200>; interrupts = <GIC_SPI 19 IRQ_TYPE_LEVEL_HIGH>; - clocks = <&tegra_car TEGRA210_CLK_SDMMC3>; - clock-names = "sdhci"; + clocks = <&tegra_car TEGRA210_CLK_SDMMC3>, + <&tegra_car TEGRA210_CLK_SDMMC_LEGACY>; + clock-names = "sdhci", "tmclk"; resets = <&tegra_car 69>; reset-names = "sdhci"; pinctrl-names = "sdmmc-3v3", "sdmmc-1v8", @@ -1262,8 +1265,9 @@ compatible = "nvidia,tegra210-sdhci"; reg = <0x0 0x700b0600 0x0 0x200>; interrupts = <GIC_SPI 31 IRQ_TYPE_LEVEL_HIGH>; - clocks = <&tegra_car TEGRA210_CLK_SDMMC4>; - clock-names = "sdhci"; + clocks = <&tegra_car TEGRA210_CLK_SDMMC4>, + <&tegra_car TEGRA210_CLK_SDMMC_LEGACY>; + clock-names = "sdhci", "tmclk"; resets = <&tegra_car 15>; reset-names = "sdhci"; pinctrl-names = "sdmmc-3v3-drv", "sdmmc-1v8-drv"; diff --git a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi index 9edfae5944f727..24ef18fe77df07 100644 --- a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi @@ -417,10 +417,10 @@ ti,intr-trigger-type = <1>; interrupt-controller; interrupt-parent = <&gic500>; - #interrupt-cells = <2>; + #interrupt-cells = <1>; ti,sci = <&dmsc>; - ti,sci-dst-id = <56>; - ti,sci-rm-range-girq = <0x1>; + ti,sci-dev-id = <100>; + ti,interrupt-ranges = <0 392 32>; }; main_navss { @@ -438,10 +438,11 @@ ti,intr-trigger-type = <4>; interrupt-controller; interrupt-parent = <&gic500>; - #interrupt-cells = <2>; + #interrupt-cells = <1>; ti,sci = <&dmsc>; - ti,sci-dst-id = <56>; - ti,sci-rm-range-girq = <0x0>, <0x2>; + ti,sci-dev-id = <182>; + ti,interrupt-ranges = <0 64 64>, + <64 448 64>; }; inta_main_udmass: interrupt-controller@33d00000 { @@ -452,8 +453,7 @@ msi-controller; ti,sci = <&dmsc>; ti,sci-dev-id = <179>; - ti,sci-rm-range-vint = <0x0>; - ti,sci-rm-range-global-event = <0x1>; + ti,interrupt-ranges = <0 0 256>; }; secure_proxy_main: mailbox@32c00000 { @@ -589,7 +589,7 @@ <0x0 0x33000000 0x0 0x40000>; reg-names = "rt", "fifos", "proxy_gcfg", "proxy_target"; ti,num-rings = <818>; - ti,sci-rm-range-gp-rings = <0x2>; /* GP ring range */ + ti,sci-rm-range-gp-rings = <0x1>; /* GP ring range */ ti,dma-ring-reset-quirk; ti,sci = <&dmsc>; ti,sci-dev-id = <187>; @@ -609,11 +609,11 @@ ti,sci-dev-id = <188>; ti,ringacc = <&ringacc>; - ti,sci-rm-range-tchan = <0x1>, /* TX_HCHAN */ - <0x2>; /* TX_CHAN */ - ti,sci-rm-range-rchan = <0x4>, /* RX_HCHAN */ - <0x5>; /* RX_CHAN */ - ti,sci-rm-range-rflow = <0x6>; /* GP RFLOW */ + ti,sci-rm-range-tchan = <0xf>, /* TX_HCHAN */ + <0xd>; /* TX_CHAN */ + ti,sci-rm-range-rchan = <0xb>, /* RX_HCHAN */ + <0xa>; /* RX_CHAN */ + ti,sci-rm-range-rflow = <0x0>; /* GP RFLOW */ }; cpts@310d0000 { @@ -622,7 +622,7 @@ reg-names = "cpts"; clocks = <&main_cpts_mux>; clock-names = "cpts"; - interrupts-extended = <&intr_main_navss 163 0>; + interrupts-extended = <&intr_main_navss 391>; interrupt-names = "cpts"; ti,cpts-periodic-outputs = <6>; ti,cpts-ext-ts-inputs = <8>; @@ -645,8 +645,7 @@ gpio-controller; #gpio-cells = <2>; interrupt-parent = <&intr_main_gpio>; - interrupts = <57 256>, <57 257>, <57 258>, <57 259>, <57 260>, - <57 261>; + interrupts = <192>, <193>, <194>, <195>, <196>, <197>; interrupt-controller; #interrupt-cells = <2>; ti,ngpio = <96>; @@ -661,8 +660,7 @@ gpio-controller; #gpio-cells = <2>; interrupt-parent = <&intr_main_gpio>; - interrupts = <58 256>, <58 257>, <58 258>, <58 259>, <58 260>, - <58 261>; + interrupts = <200>, <201>, <202>, <203>, <204>, <205>; interrupt-controller; #interrupt-cells = <2>; ti,ngpio = <90>; diff --git a/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi b/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi index 8c1abcfe08605c..51ca4b4d4c2143 100644 --- a/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi @@ -134,7 +134,7 @@ <0x0 0x2a500000 0x0 0x40000>; reg-names = "rt", "fifos", "proxy_gcfg", "proxy_target"; ti,num-rings = <286>; - ti,sci-rm-range-gp-rings = <0x2>; /* GP ring range */ + ti,sci-rm-range-gp-rings = <0x1>; /* GP ring range */ ti,dma-ring-reset-quirk; ti,sci = <&dmsc>; ti,sci-dev-id = <195>; @@ -154,11 +154,11 @@ ti,sci-dev-id = <194>; ti,ringacc = <&mcu_ringacc>; - ti,sci-rm-range-tchan = <0x1>, /* TX_HCHAN */ - <0x2>; /* TX_CHAN */ - ti,sci-rm-range-rchan = <0x3>, /* RX_HCHAN */ - <0x4>; /* RX_CHAN */ - ti,sci-rm-range-rflow = <0x5>; /* GP RFLOW */ + ti,sci-rm-range-tchan = <0xf>, /* TX_HCHAN */ + <0xd>; /* TX_CHAN */ + ti,sci-rm-range-rchan = <0xb>, /* RX_HCHAN */ + <0xa>; /* RX_CHAN */ + ti,sci-rm-range-rflow = <0x0>; /* GP RFLOW */ }; }; diff --git a/arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi index 5f55b9e82cf1e4..a1ffe88d966414 100644 --- a/arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi @@ -74,10 +74,10 @@ ti,intr-trigger-type = <1>; interrupt-controller; interrupt-parent = <&gic500>; - #interrupt-cells = <2>; + #interrupt-cells = <1>; ti,sci = <&dmsc>; - ti,sci-dst-id = <56>; - ti,sci-rm-range-girq = <0x4>; + ti,sci-dev-id = <156>; + ti,interrupt-ranges = <0 712 16>; }; wkup_gpio0: wkup_gpio0@42110000 { @@ -86,7 +86,7 @@ gpio-controller; #gpio-cells = <2>; interrupt-parent = <&intr_wkup_gpio>; - interrupts = <59 128>, <59 129>, <59 130>, <59 131>; + interrupts = <60>, <61>, <62>, <63>; interrupt-controller; #interrupt-cells = <2>; ti,ngpio = <56>; diff --git a/arch/arm64/boot/dts/ti/k3-am654-base-board.dts b/arch/arm64/boot/dts/ti/k3-am654-base-board.dts index 611e6620701078..b8a8a0fcb8af1a 100644 --- a/arch/arm64/boot/dts/ti/k3-am654-base-board.dts +++ b/arch/arm64/boot/dts/ti/k3-am654-base-board.dts @@ -384,7 +384,7 @@ }; &mailbox0_cluster0 { - interrupts = <164 0>; + interrupts = <436>; mbox_mcu_r5fss0_core0: mbox-mcu-r5fss0-core0 { ti,mbox-tx = <1 0 0>; @@ -393,7 +393,7 @@ }; &mailbox0_cluster1 { - interrupts = <165 0>; + interrupts = <432>; mbox_mcu_r5fss0_core1: mbox-mcu-r5fss0-core1 { ti,mbox-tx = <1 0 0>; diff --git a/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts b/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts index 8bc1e6ecc50ebc..e8fc01d97adada 100644 --- a/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts +++ b/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts @@ -287,7 +287,7 @@ }; &mailbox0_cluster0 { - interrupts = <214 0>; + interrupts = <436>; mbox_mcu_r5fss0_core0: mbox-mcu-r5fss0-core0 { ti,mbox-rx = <0 0 0>; @@ -301,7 +301,7 @@ }; &mailbox0_cluster1 { - interrupts = <215 0>; + interrupts = <432>; mbox_main_r5fss0_core0: mbox-main-r5fss0-core0 { ti,mbox-rx = <0 0 0>; @@ -315,7 +315,7 @@ }; &mailbox0_cluster2 { - interrupts = <216 0>; + interrupts = <428>; mbox_main_r5fss1_core0: mbox-main-r5fss1-core0 { ti,mbox-rx = <0 0 0>; @@ -329,7 +329,7 @@ }; &mailbox0_cluster3 { - interrupts = <217 0>; + interrupts = <424>; mbox_c66_0: mbox-c66-0 { ti,mbox-rx = <0 0 0>; @@ -343,7 +343,7 @@ }; &mailbox0_cluster4 { - interrupts = <218 0>; + interrupts = <420>; mbox_c71_0: mbox-c71-0 { ti,mbox-rx = <0 0 0>; diff --git a/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi b/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi index d14060207f0097..12ceea9b3c9aef 100644 --- a/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi +++ b/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi @@ -80,10 +80,10 @@ ti,intr-trigger-type = <1>; interrupt-controller; interrupt-parent = <&gic500>; - #interrupt-cells = <2>; + #interrupt-cells = <1>; ti,sci = <&dmsc>; - ti,sci-dst-id = <14>; - ti,sci-rm-range-girq = <0x1>; + ti,sci-dev-id = <131>; + ti,interrupt-ranges = <8 392 56>; }; main_navss { @@ -101,10 +101,12 @@ ti,intr-trigger-type = <4>; interrupt-controller; interrupt-parent = <&gic500>; - #interrupt-cells = <2>; + #interrupt-cells = <1>; ti,sci = <&dmsc>; - ti,sci-dst-id = <14>; - ti,sci-rm-range-girq = <0>, <2>; + ti,sci-dev-id = <213>; + ti,interrupt-ranges = <0 64 64>, + <64 448 64>, + <128 672 64>; }; main_udmass_inta: interrupt-controller@33d00000 { @@ -115,8 +117,7 @@ msi-controller; ti,sci = <&dmsc>; ti,sci-dev-id = <209>; - ti,sci-rm-range-vint = <0xa>; - ti,sci-rm-range-global-event = <0xd>; + ti,interrupt-ranges = <0 0 256>; }; secure_proxy_main: mailbox@32c00000 { @@ -296,7 +297,7 @@ reg-names = "cpts"; clocks = <&k3_clks 201 1>; clock-names = "cpts"; - interrupts-extended = <&main_navss_intr 201 0>; + interrupts-extended = <&main_navss_intr 391>; interrupt-names = "cpts"; ti,cpts-periodic-outputs = <6>; ti,cpts-ext-ts-inputs = <8>; @@ -688,8 +689,8 @@ gpio-controller; #gpio-cells = <2>; interrupt-parent = <&main_gpio_intr>; - interrupts = <105 0>, <105 1>, <105 2>, <105 3>, - <105 4>, <105 5>, <105 6>, <105 7>; + interrupts = <256>, <257>, <258>, <259>, + <260>, <261>, <262>, <263>; interrupt-controller; #interrupt-cells = <2>; ti,ngpio = <128>; @@ -705,7 +706,7 @@ gpio-controller; #gpio-cells = <2>; interrupt-parent = <&main_gpio_intr>; - interrupts = <106 0>, <106 1>, <106 2>; + interrupts = <288>, <289>, <290>; interrupt-controller; #interrupt-cells = <2>; ti,ngpio = <36>; @@ -721,8 +722,8 @@ gpio-controller; #gpio-cells = <2>; interrupt-parent = <&main_gpio_intr>; - interrupts = <107 0>, <107 1>, <107 2>, <107 3>, - <107 4>, <107 5>, <107 6>, <107 7>; + interrupts = <264>, <265>, <266>, <267>, + <268>, <269>, <270>, <271>; interrupt-controller; #interrupt-cells = <2>; ti,ngpio = <128>; @@ -738,7 +739,7 @@ gpio-controller; #gpio-cells = <2>; interrupt-parent = <&main_gpio_intr>; - interrupts = <108 0>, <108 1>, <108 2>; + interrupts = <292>, <293>, <294>; interrupt-controller; #interrupt-cells = <2>; ti,ngpio = <36>; @@ -754,8 +755,8 @@ gpio-controller; #gpio-cells = <2>; interrupt-parent = <&main_gpio_intr>; - interrupts = <109 0>, <109 1>, <109 2>, <109 3>, - <109 4>, <109 5>, <109 6>, <109 7>; + interrupts = <272>, <273>, <274>, <275>, + <276>, <277>, <278>, <279>; interrupt-controller; #interrupt-cells = <2>; ti,ngpio = <128>; @@ -771,7 +772,7 @@ gpio-controller; #gpio-cells = <2>; interrupt-parent = <&main_gpio_intr>; - interrupts = <110 0>, <110 1>, <110 2>; + interrupts = <296>, <297>, <298>; interrupt-controller; #interrupt-cells = <2>; ti,ngpio = <36>; @@ -787,8 +788,8 @@ gpio-controller; #gpio-cells = <2>; interrupt-parent = <&main_gpio_intr>; - interrupts = <111 0>, <111 1>, <111 2>, <111 3>, - <111 4>, <111 5>, <111 6>, <111 7>; + interrupts = <280>, <281>, <282>, <283>, + <284>, <285>, <286>, <287>; interrupt-controller; #interrupt-cells = <2>; ti,ngpio = <128>; @@ -804,7 +805,7 @@ gpio-controller; #gpio-cells = <2>; interrupt-parent = <&main_gpio_intr>; - interrupts = <112 0>, <112 1>, <112 2>; + interrupts = <300>, <301>, <302>; interrupt-controller; #interrupt-cells = <2>; ti,ngpio = <36>; diff --git a/arch/arm64/boot/dts/ti/k3-j721e-mcu-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-j721e-mcu-wakeup.dtsi index 30a735bcd0c894..c4a48e8d420a2b 100644 --- a/arch/arm64/boot/dts/ti/k3-j721e-mcu-wakeup.dtsi +++ b/arch/arm64/boot/dts/ti/k3-j721e-mcu-wakeup.dtsi @@ -101,10 +101,10 @@ ti,intr-trigger-type = <1>; interrupt-controller; interrupt-parent = <&gic500>; - #interrupt-cells = <2>; + #interrupt-cells = <1>; ti,sci = <&dmsc>; - ti,sci-dst-id = <14>; - ti,sci-rm-range-girq = <0x5>; + ti,sci-dev-id = <137>; + ti,interrupt-ranges = <16 960 16>; }; wkup_gpio0: gpio@42110000 { @@ -113,8 +113,7 @@ gpio-controller; #gpio-cells = <2>; interrupt-parent = <&wkup_gpio_intr>; - interrupts = <113 0>, <113 1>, <113 2>, - <113 3>, <113 4>, <113 5>; + interrupts = <103>, <104>, <105>, <106>, <107>, <108>; interrupt-controller; #interrupt-cells = <2>; ti,ngpio = <84>; @@ -130,8 +129,7 @@ gpio-controller; #gpio-cells = <2>; interrupt-parent = <&wkup_gpio_intr>; - interrupts = <114 0>, <114 1>, <114 2>, - <114 3>, <114 4>, <114 5>; + interrupts = <112>, <113>, <114>, <115>, <116>, <117>; interrupt-controller; #interrupt-cells = <2>; ti,ngpio = <84>; diff --git a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi index 9174ddc76bdc3a..3ec99f13c259e3 100644 --- a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi +++ b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi @@ -13,6 +13,7 @@ */ #include <dt-bindings/power/xlnx-zynqmp-power.h> +#include <dt-bindings/reset/xlnx-zynqmp-resets.h> / { compatible = "xlnx,zynqmp"; @@ -558,6 +559,15 @@ }; }; + psgtr: phy@fd400000 { + compatible = "xlnx,zynqmp-psgtr-v1.1"; + status = "disabled"; + reg = <0x0 0xfd400000 0x0 0x40000>, + <0x0 0xfd3d0000 0x0 0x1000>; + reg-names = "serdes", "siou"; + #phy-cells = <4>; + }; + rtc: rtc@ffa60000 { compatible = "xlnx,zynqmp-rtc"; status = "disabled"; @@ -601,7 +611,7 @@ power-domains = <&zynqmp_firmware PD_SD_1>; }; - smmu: smmu@fd800000 { + smmu: iommu@fd800000 { compatible = "arm,mmu-500"; reg = <0x0 0xfd800000 0x0 0x20000>; status = "disabled"; diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig index e0f33826819f1e..6d04b9577b0bdd 100644 --- a/arch/arm64/configs/defconfig +++ b/arch/arm64/configs/defconfig @@ -724,6 +724,17 @@ CONFIG_USB_GADGET=y CONFIG_USB_RENESAS_USBHS_UDC=m CONFIG_USB_RENESAS_USB3=m CONFIG_USB_TEGRA_XUDC=m +CONFIG_USB_CONFIGFS=m +CONFIG_USB_CONFIGFS_SERIAL=y +CONFIG_USB_CONFIGFS_ACM=y +CONFIG_USB_CONFIGFS_OBEX=y +CONFIG_USB_CONFIGFS_NCM=y +CONFIG_USB_CONFIGFS_ECM=y +CONFIG_USB_CONFIGFS_ECM_SUBSET=y +CONFIG_USB_CONFIGFS_RNDIS=y +CONFIG_USB_CONFIGFS_EEM=y +CONFIG_USB_CONFIGFS_MASS_STORAGE=y +CONFIG_USB_CONFIGFS_F_FS=y CONFIG_TYPEC=m CONFIG_TYPEC_TCPM=m CONFIG_TYPEC_FUSB302=m @@ -914,6 +925,7 @@ CONFIG_ARCH_TEGRA_194_SOC=y CONFIG_ARCH_K3_AM6_SOC=y CONFIG_ARCH_K3_J721E_SOC=y CONFIG_TI_SCI_PM_DOMAINS=y +CONFIG_EXTCON_PTN5150=m CONFIG_EXTCON_USB_GPIO=y CONFIG_EXTCON_USBC_CROS_EC=y CONFIG_IIO=y diff --git a/arch/arm64/crypto/aes-neonbs-core.S b/arch/arm64/crypto/aes-neonbs-core.S index b357164379f6d1..63a52ad9a75c03 100644 --- a/arch/arm64/crypto/aes-neonbs-core.S +++ b/arch/arm64/crypto/aes-neonbs-core.S @@ -788,7 +788,7 @@ SYM_FUNC_START_LOCAL(__xts_crypt8) 0: mov bskey, x21 mov rounds, x22 - br x7 + br x16 SYM_FUNC_END(__xts_crypt8) .macro __xts_crypt, do8, o0, o1, o2, o3, o4, o5, o6, o7 @@ -806,7 +806,7 @@ SYM_FUNC_END(__xts_crypt8) uzp1 v30.4s, v30.4s, v25.4s ld1 {v25.16b}, [x24] -99: adr x7, \do8 +99: adr x16, \do8 bl __xts_crypt8 ldp q16, q17, [sp, #.Lframe_local_offset] diff --git a/arch/arm64/include/asm/compiler.h b/arch/arm64/include/asm/compiler.h index 51a7ce87cdfe07..6fb2e6bcc392fe 100644 --- a/arch/arm64/include/asm/compiler.h +++ b/arch/arm64/include/asm/compiler.h @@ -2,6 +2,12 @@ #ifndef __ASM_COMPILER_H #define __ASM_COMPILER_H +#ifdef ARM64_ASM_ARCH +#define ARM64_ASM_PREAMBLE ".arch " ARM64_ASM_ARCH "\n" +#else +#define ARM64_ASM_PREAMBLE +#endif + /* * The EL0/EL1 pointer bits used by a pointer authentication code. * This is dependent on TBI0/TBI1 being enabled, or bits 63:56 would also apply. diff --git a/arch/arm64/include/asm/kvm_arm.h b/arch/arm64/include/asm/kvm_arm.h index 51c1d991899920..1da8e3dc445551 100644 --- a/arch/arm64/include/asm/kvm_arm.h +++ b/arch/arm64/include/asm/kvm_arm.h @@ -71,11 +71,12 @@ * IMO: Override CPSR.I and enable signaling with VI * FMO: Override CPSR.F and enable signaling with VF * SWIO: Turn set/way invalidates into set/way clean+invalidate + * PTW: Take a stage2 fault if a stage1 walk steps in device memory */ #define HCR_GUEST_FLAGS (HCR_TSC | HCR_TSW | HCR_TWE | HCR_TWI | HCR_VM | \ HCR_BSU_IS | HCR_FB | HCR_TAC | \ HCR_AMO | HCR_SWIO | HCR_TIDCP | HCR_RW | HCR_TLOR | \ - HCR_FMO | HCR_IMO) + HCR_FMO | HCR_IMO | HCR_PTW ) #define HCR_VIRT_EXCP_MASK (HCR_VSE | HCR_VI | HCR_VF) #define HCR_HOST_NVHE_FLAGS (HCR_RW | HCR_API | HCR_APK) #define HCR_HOST_VHE_FLAGS (HCR_RW | HCR_TGE | HCR_E2H) diff --git a/arch/arm64/include/asm/kvm_asm.h b/arch/arm64/include/asm/kvm_asm.h index fb1a922b31ba21..6f98fbd0ac8162 100644 --- a/arch/arm64/include/asm/kvm_asm.h +++ b/arch/arm64/include/asm/kvm_asm.h @@ -169,6 +169,34 @@ extern char __smccc_workaround_1_smc[__SMCCC_WORKAROUND_1_SMC_SZ]; *__hyp_this_cpu_ptr(sym); \ }) +#define __KVM_EXTABLE(from, to) \ + " .pushsection __kvm_ex_table, \"a\"\n" \ + " .align 3\n" \ + " .long (" #from " - .), (" #to " - .)\n" \ + " .popsection\n" + + +#define __kvm_at(at_op, addr) \ +( { \ + int __kvm_at_err = 0; \ + u64 spsr, elr; \ + asm volatile( \ + " mrs %1, spsr_el2\n" \ + " mrs %2, elr_el2\n" \ + "1: at "at_op", %3\n" \ + " isb\n" \ + " b 9f\n" \ + "2: msr spsr_el2, %1\n" \ + " msr elr_el2, %2\n" \ + " mov %w0, %4\n" \ + "9:\n" \ + __KVM_EXTABLE(1b, 2b) \ + : "+r" (__kvm_at_err), "=&r" (spsr), "=&r" (elr) \ + : "r" (addr), "i" (-EFAULT)); \ + __kvm_at_err; \ +} ) + + #else /* __ASSEMBLY__ */ .macro hyp_adr_this_cpu reg, sym, tmp @@ -193,6 +221,21 @@ extern char __smccc_workaround_1_smc[__SMCCC_WORKAROUND_1_SMC_SZ]; ldr \vcpu, [\ctxt, #HOST_CONTEXT_VCPU] .endm +/* + * KVM extable for unexpected exceptions. + * In the same format _asm_extable, but output to a different section so that + * it can be mapped to EL2. The KVM version is not sorted. The caller must + * ensure: + * x18 has the hypervisor value to allow any Shadow-Call-Stack instrumented + * code to write to it, and that SPSR_EL2 and ELR_EL2 are restored by the fixup. + */ +.macro _kvm_extable, from, to + .pushsection __kvm_ex_table, "a" + .align 3 + .long (\from - .), (\to - .) + .popsection +.endm + #endif #endif /* __ARM_KVM_ASM_H__ */ diff --git a/arch/arm64/include/asm/kvm_emulate.h b/arch/arm64/include/asm/kvm_emulate.h index 49a55be2b9a20a..1cc5f5f72d0bfe 100644 --- a/arch/arm64/include/asm/kvm_emulate.h +++ b/arch/arm64/include/asm/kvm_emulate.h @@ -298,15 +298,15 @@ static __always_inline int kvm_vcpu_dabt_get_rd(const struct kvm_vcpu *vcpu) return (kvm_vcpu_get_esr(vcpu) & ESR_ELx_SRT_MASK) >> ESR_ELx_SRT_SHIFT; } -static __always_inline bool kvm_vcpu_dabt_iss1tw(const struct kvm_vcpu *vcpu) +static __always_inline bool kvm_vcpu_abt_iss1tw(const struct kvm_vcpu *vcpu) { return !!(kvm_vcpu_get_esr(vcpu) & ESR_ELx_S1PTW); } +/* Always check for S1PTW *before* using this. */ static __always_inline bool kvm_vcpu_dabt_iswrite(const struct kvm_vcpu *vcpu) { - return !!(kvm_vcpu_get_esr(vcpu) & ESR_ELx_WNR) || - kvm_vcpu_dabt_iss1tw(vcpu); /* AF/DBM update */ + return kvm_vcpu_get_esr(vcpu) & ESR_ELx_WNR; } static inline bool kvm_vcpu_dabt_is_cm(const struct kvm_vcpu *vcpu) @@ -335,6 +335,11 @@ static inline bool kvm_vcpu_trap_is_iabt(const struct kvm_vcpu *vcpu) return kvm_vcpu_trap_get_class(vcpu) == ESR_ELx_EC_IABT_LOW; } +static inline bool kvm_vcpu_trap_is_exec_fault(const struct kvm_vcpu *vcpu) +{ + return kvm_vcpu_trap_is_iabt(vcpu) && !kvm_vcpu_abt_iss1tw(vcpu); +} + static __always_inline u8 kvm_vcpu_trap_get_fault(const struct kvm_vcpu *vcpu) { return kvm_vcpu_get_esr(vcpu) & ESR_ELx_FSC; @@ -372,6 +377,9 @@ static __always_inline int kvm_vcpu_sys_get_rt(struct kvm_vcpu *vcpu) static inline bool kvm_is_write_fault(struct kvm_vcpu *vcpu) { + if (kvm_vcpu_abt_iss1tw(vcpu)) + return true; + if (kvm_vcpu_trap_is_iabt(vcpu)) return false; diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h index e52c927aade538..905c2b87e05acc 100644 --- a/arch/arm64/include/asm/kvm_host.h +++ b/arch/arm64/include/asm/kvm_host.h @@ -368,7 +368,6 @@ struct kvm_vcpu_arch { /* Guest PV state */ struct { - u64 steal; u64 last_steal; gpa_t base; } steal; @@ -544,6 +543,7 @@ long kvm_hypercall_pv_features(struct kvm_vcpu *vcpu); gpa_t kvm_init_stolen_time(struct kvm_vcpu *vcpu); void kvm_update_stolen_time(struct kvm_vcpu *vcpu); +bool kvm_arm_pvtime_supported(void); int kvm_arm_pvtime_set_attr(struct kvm_vcpu *vcpu, struct kvm_device_attr *attr); int kvm_arm_pvtime_get_attr(struct kvm_vcpu *vcpu, diff --git a/arch/arm64/include/asm/tlbflush.h b/arch/arm64/include/asm/tlbflush.h index d493174415dbf5..cc3f5a33ff9c54 100644 --- a/arch/arm64/include/asm/tlbflush.h +++ b/arch/arm64/include/asm/tlbflush.h @@ -28,14 +28,16 @@ * not. The macros handles invoking the asm with or without the * register argument as appropriate. */ -#define __TLBI_0(op, arg) asm ("tlbi " #op "\n" \ +#define __TLBI_0(op, arg) asm (ARM64_ASM_PREAMBLE \ + "tlbi " #op "\n" \ ALTERNATIVE("nop\n nop", \ "dsb ish\n tlbi " #op, \ ARM64_WORKAROUND_REPEAT_TLBI, \ CONFIG_ARM64_WORKAROUND_REPEAT_TLBI) \ : : ) -#define __TLBI_1(op, arg) asm ("tlbi " #op ", %0\n" \ +#define __TLBI_1(op, arg) asm (ARM64_ASM_PREAMBLE \ + "tlbi " #op ", %0\n" \ ALTERNATIVE("nop\n nop", \ "dsb ish\n tlbi " #op ", %0", \ ARM64_WORKAROUND_REPEAT_TLBI, \ diff --git a/arch/arm64/kernel/acpi.c b/arch/arm64/kernel/acpi.c index 4559664011026a..cada0b816c8a35 100644 --- a/arch/arm64/kernel/acpi.c +++ b/arch/arm64/kernel/acpi.c @@ -298,8 +298,21 @@ void __iomem *acpi_os_ioremap(acpi_physical_address phys, acpi_size size) case EFI_BOOT_SERVICES_DATA: case EFI_CONVENTIONAL_MEMORY: case EFI_PERSISTENT_MEMORY: - pr_warn(FW_BUG "requested region covers kernel memory @ %pa\n", &phys); - return NULL; + if (memblock_is_map_memory(phys) || + !memblock_is_region_memory(phys, size)) { + pr_warn(FW_BUG "requested region covers kernel memory @ %pa\n", &phys); + return NULL; + } + /* + * Mapping kernel memory is permitted if the region in + * question is covered by a single memblock with the + * NOMAP attribute set: this enables the use of ACPI + * table overrides passed via initramfs, which are + * reserved in memory using arch_reserve_mem_area() + * below. As this particular use case only requires + * read access, fall through to the R/O mapping case. + */ + fallthrough; case EFI_RUNTIME_SERVICES_CODE: /* @@ -322,7 +335,7 @@ void __iomem *acpi_os_ioremap(acpi_physical_address phys, acpi_size size) */ if (memblock_is_map_memory(phys)) return (void __iomem *)__phys_to_virt(phys); - /* fall through */ + fallthrough; default: if (region->attribute & EFI_MEMORY_WB) @@ -388,3 +401,8 @@ int apei_claim_sea(struct pt_regs *regs) return err; } + +void arch_reserve_mem_area(acpi_physical_address addr, size_t size) +{ + memblock_mark_nomap(addr, size); +} diff --git a/arch/arm64/kernel/cpu_errata.c b/arch/arm64/kernel/cpu_errata.c index c332d49780dc96..560ba69e13c11b 100644 --- a/arch/arm64/kernel/cpu_errata.c +++ b/arch/arm64/kernel/cpu_errata.c @@ -910,8 +910,12 @@ const struct arm64_cpu_capabilities arm64_errata[] = { .desc = "ARM erratum 1418040", .capability = ARM64_WORKAROUND_1418040, ERRATA_MIDR_RANGE_LIST(erratum_1418040_list), - .type = (ARM64_CPUCAP_SCOPE_LOCAL_CPU | - ARM64_CPUCAP_PERMITTED_FOR_LATE_CPU), + /* + * We need to allow affected CPUs to come in late, but + * also need the non-affected CPUs to be able to come + * in at any point in time. Wonderful. + */ + .type = ARM64_CPUCAP_WEAK_LOCAL_CPU_FEATURE, }, #endif #ifdef CONFIG_ARM64_WORKAROUND_SPECULATIVE_AT diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c index a389b999482e73..6424584be01e6d 100644 --- a/arch/arm64/kernel/cpufeature.c +++ b/arch/arm64/kernel/cpufeature.c @@ -686,7 +686,7 @@ static s64 arm64_ftr_safe_value(const struct arm64_ftr_bits *ftrp, s64 new, case FTR_HIGHER_OR_ZERO_SAFE: if (!cur || !new) break; - /* Fallthrough */ + fallthrough; case FTR_HIGHER_SAFE: ret = new > cur ? new : cur; break; diff --git a/arch/arm64/kernel/cpuinfo.c b/arch/arm64/kernel/cpuinfo.c index 393c6fb1f1cb43..d0076c2159e667 100644 --- a/arch/arm64/kernel/cpuinfo.c +++ b/arch/arm64/kernel/cpuinfo.c @@ -327,7 +327,6 @@ static void cpuinfo_detect_icache_policy(struct cpuinfo_arm64 *info) set_bit(ICACHEF_VPIPT, &__icache_flags); break; default: - /* Fallthrough */ case ICACHE_POLICY_VIPT: /* Assume aliasing */ set_bit(ICACHEF_ALIASING, &__icache_flags); diff --git a/arch/arm64/kernel/hw_breakpoint.c b/arch/arm64/kernel/hw_breakpoint.c index af234a1e08b7d2..712e97c03e54c2 100644 --- a/arch/arm64/kernel/hw_breakpoint.c +++ b/arch/arm64/kernel/hw_breakpoint.c @@ -257,7 +257,7 @@ static int hw_breakpoint_control(struct perf_event *bp, * level. */ enable_debug_monitors(dbg_el); - /* Fall through */ + fallthrough; case HW_BREAKPOINT_RESTORE: /* Setup the address register. */ write_wb_reg(val_reg, i, info->address); @@ -541,13 +541,13 @@ int hw_breakpoint_arch_parse(struct perf_event *bp, if (hw->ctrl.len == ARM_BREAKPOINT_LEN_2) break; - /* Fallthrough */ + fallthrough; case 3: /* Allow single byte watchpoint. */ if (hw->ctrl.len == ARM_BREAKPOINT_LEN_1) break; - /* Fallthrough */ + fallthrough; default: return -EINVAL; } diff --git a/arch/arm64/kernel/image-vars.h b/arch/arm64/kernel/image-vars.h index 9e897c500237df..8982b68289b79f 100644 --- a/arch/arm64/kernel/image-vars.h +++ b/arch/arm64/kernel/image-vars.h @@ -103,6 +103,10 @@ KVM_NVHE_ALIAS(vgic_v3_cpuif_trap); KVM_NVHE_ALIAS(gic_pmr_sync); #endif +/* EL2 exception handling */ +KVM_NVHE_ALIAS(__start___kvm_ex_table); +KVM_NVHE_ALIAS(__stop___kvm_ex_table); + #endif /* CONFIG_KVM */ #endif /* __ARM64_KERNEL_IMAGE_VARS_H */ diff --git a/arch/arm64/kernel/module-plts.c b/arch/arm64/kernel/module-plts.c index 0ce3a28e334792..2e224435c0249a 100644 --- a/arch/arm64/kernel/module-plts.c +++ b/arch/arm64/kernel/module-plts.c @@ -305,8 +305,7 @@ int module_frob_arch_sections(Elf_Ehdr *ehdr, Elf_Shdr *sechdrs, mod->arch.core.plt_shndx = i; else if (!strcmp(secstrings + sechdrs[i].sh_name, ".init.plt")) mod->arch.init.plt_shndx = i; - else if (IS_ENABLED(CONFIG_DYNAMIC_FTRACE) && - !strcmp(secstrings + sechdrs[i].sh_name, + else if (!strcmp(secstrings + sechdrs[i].sh_name, ".text.ftrace_trampoline")) tramp = sechdrs + i; else if (sechdrs[i].sh_type == SHT_SYMTAB) diff --git a/arch/arm64/kernel/module.c b/arch/arm64/kernel/module.c index 1cd1a4d0ed30e6..2a1ad95d9b2ccd 100644 --- a/arch/arm64/kernel/module.c +++ b/arch/arm64/kernel/module.c @@ -315,21 +315,21 @@ int apply_relocate_add(Elf64_Shdr *sechdrs, /* MOVW instruction relocations. */ case R_AARCH64_MOVW_UABS_G0_NC: overflow_check = false; - /* Fall through */ + fallthrough; case R_AARCH64_MOVW_UABS_G0: ovf = reloc_insn_movw(RELOC_OP_ABS, loc, val, 0, AARCH64_INSN_IMM_MOVKZ); break; case R_AARCH64_MOVW_UABS_G1_NC: overflow_check = false; - /* Fall through */ + fallthrough; case R_AARCH64_MOVW_UABS_G1: ovf = reloc_insn_movw(RELOC_OP_ABS, loc, val, 16, AARCH64_INSN_IMM_MOVKZ); break; case R_AARCH64_MOVW_UABS_G2_NC: overflow_check = false; - /* Fall through */ + fallthrough; case R_AARCH64_MOVW_UABS_G2: ovf = reloc_insn_movw(RELOC_OP_ABS, loc, val, 32, AARCH64_INSN_IMM_MOVKZ); @@ -397,7 +397,7 @@ int apply_relocate_add(Elf64_Shdr *sechdrs, break; case R_AARCH64_ADR_PREL_PG_HI21_NC: overflow_check = false; - /* Fall through */ + fallthrough; case R_AARCH64_ADR_PREL_PG_HI21: ovf = reloc_insn_adrp(me, sechdrs, loc, val); if (ovf && ovf != -ERANGE) diff --git a/arch/arm64/kernel/paravirt.c b/arch/arm64/kernel/paravirt.c index 295d66490584bb..c07d7a03494108 100644 --- a/arch/arm64/kernel/paravirt.c +++ b/arch/arm64/kernel/paravirt.c @@ -50,16 +50,19 @@ static u64 pv_steal_clock(int cpu) struct pv_time_stolen_time_region *reg; reg = per_cpu_ptr(&stolen_time_region, cpu); - if (!reg->kaddr) { - pr_warn_once("stolen time enabled but not configured for cpu %d\n", - cpu); + + /* + * paravirt_steal_clock() may be called before the CPU + * online notification callback runs. Until the callback + * has run we just return zero. + */ + if (!reg->kaddr) return 0; - } return le64_to_cpu(READ_ONCE(reg->kaddr->stolen_time)); } -static int stolen_time_dying_cpu(unsigned int cpu) +static int stolen_time_cpu_down_prepare(unsigned int cpu) { struct pv_time_stolen_time_region *reg; @@ -73,7 +76,7 @@ static int stolen_time_dying_cpu(unsigned int cpu) return 0; } -static int init_stolen_time_cpu(unsigned int cpu) +static int stolen_time_cpu_online(unsigned int cpu) { struct pv_time_stolen_time_region *reg; struct arm_smccc_res res; @@ -103,19 +106,20 @@ static int init_stolen_time_cpu(unsigned int cpu) return 0; } -static int pv_time_init_stolen_time(void) +static int __init pv_time_init_stolen_time(void) { int ret; - ret = cpuhp_setup_state(CPUHP_AP_ARM_KVMPV_STARTING, - "hypervisor/arm/pvtime:starting", - init_stolen_time_cpu, stolen_time_dying_cpu); + ret = cpuhp_setup_state(CPUHP_AP_ONLINE_DYN, + "hypervisor/arm/pvtime:online", + stolen_time_cpu_online, + stolen_time_cpu_down_prepare); if (ret < 0) return ret; return 0; } -static bool has_pv_steal_clock(void) +static bool __init has_pv_steal_clock(void) { struct arm_smccc_res res; diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c index 77c4c9bad1b852..53acbeca4f574f 100644 --- a/arch/arm64/kernel/setup.c +++ b/arch/arm64/kernel/setup.c @@ -280,7 +280,6 @@ u64 cpu_logical_map(int cpu) { return __cpu_logical_map[cpu]; } -EXPORT_SYMBOL_GPL(cpu_logical_map); void __init __no_sanitize_address setup_arch(char **cmdline_p) { diff --git a/arch/arm64/kernel/smp.c b/arch/arm64/kernel/smp.c index 03957a1ae6c0cc..355ee9eed4dded 100644 --- a/arch/arm64/kernel/smp.c +++ b/arch/arm64/kernel/smp.c @@ -151,7 +151,7 @@ int __cpu_up(unsigned int cpu, struct task_struct *idle) break; } pr_crit("CPU%u: may not have shut down cleanly\n", cpu); - /* Fall through */ + fallthrough; case CPU_STUCK_IN_KERNEL: pr_crit("CPU%u: is stuck in kernel\n", cpu); if (status & CPU_STUCK_REASON_52_BIT_VA) diff --git a/arch/arm64/kernel/vmlinux.lds.S b/arch/arm64/kernel/vmlinux.lds.S index ec8e894684a78e..7cba7623fcec75 100644 --- a/arch/arm64/kernel/vmlinux.lds.S +++ b/arch/arm64/kernel/vmlinux.lds.S @@ -20,6 +20,13 @@ ENTRY(_text) jiffies = jiffies_64; + +#define HYPERVISOR_EXTABLE \ + . = ALIGN(SZ_8); \ + __start___kvm_ex_table = .; \ + *(__kvm_ex_table) \ + __stop___kvm_ex_table = .; + #define HYPERVISOR_TEXT \ /* \ * Align to 4 KB so that \ @@ -35,6 +42,7 @@ jiffies = jiffies_64; __hyp_idmap_text_end = .; \ __hyp_text_start = .; \ *(.hyp.text) \ + HYPERVISOR_EXTABLE \ __hyp_text_end = .; #define IDMAP_TEXT \ diff --git a/arch/arm64/kvm/arm.c b/arch/arm64/kvm/arm.c index 46dc3d75cf1359..b588c3b5c2f07b 100644 --- a/arch/arm64/kvm/arm.c +++ b/arch/arm64/kvm/arm.c @@ -206,6 +206,9 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext) */ r = 1; break; + case KVM_CAP_STEAL_TIME: + r = kvm_arm_pvtime_supported(); + break; default: r = kvm_arch_vm_ioctl_check_extension(kvm, ext); break; diff --git a/arch/arm64/kvm/handle_exit.c b/arch/arm64/kvm/handle_exit.c index fe6c7d79309d67..5d690d60ccad53 100644 --- a/arch/arm64/kvm/handle_exit.c +++ b/arch/arm64/kvm/handle_exit.c @@ -128,7 +128,7 @@ static int kvm_handle_guest_debug(struct kvm_vcpu *vcpu) switch (ESR_ELx_EC(esr)) { case ESR_ELx_EC_WATCHPT_LOW: run->debug.arch.far = vcpu->arch.fault.far_el2; - /* fall through */ + fallthrough; case ESR_ELx_EC_SOFTSTP_LOW: case ESR_ELx_EC_BREAKPT_LOW: case ESR_ELx_EC_BKPT32: diff --git a/arch/arm64/kvm/hyp/entry.S b/arch/arm64/kvm/hyp/entry.S index ee32a77433898d..76e7eaf4675eb4 100644 --- a/arch/arm64/kvm/hyp/entry.S +++ b/arch/arm64/kvm/hyp/entry.S @@ -196,20 +196,23 @@ alternative_endif // This is our single instruction exception window. A pending // SError is guaranteed to occur at the earliest when we unmask // it, and at the latest just after the ISB. - .global abort_guest_exit_start abort_guest_exit_start: isb - .global abort_guest_exit_end abort_guest_exit_end: msr daifset, #4 // Mask aborts + ret + + _kvm_extable abort_guest_exit_start, 9997f + _kvm_extable abort_guest_exit_end, 9997f +9997: + msr daifset, #4 // Mask aborts + mov x0, #(1 << ARM_EXIT_WITH_SERROR_BIT) - // If the exception took place, restore the EL1 exception - // context so that we can report some information. - // Merge the exception code with the SError pending bit. - tbz x0, #ARM_EXIT_WITH_SERROR_BIT, 1f + // restore the EL1 exception context so that we can report some + // information. Merge the exception code with the SError pending bit. msr elr_el2, x2 msr esr_el2, x3 msr spsr_el2, x4 diff --git a/arch/arm64/kvm/hyp/hyp-entry.S b/arch/arm64/kvm/hyp/hyp-entry.S index 689fccbc9de72d..46b4dab933d0e7 100644 --- a/arch/arm64/kvm/hyp/hyp-entry.S +++ b/arch/arm64/kvm/hyp/hyp-entry.S @@ -15,6 +15,30 @@ #include <asm/kvm_mmu.h> #include <asm/mmu.h> +.macro save_caller_saved_regs_vect + /* x0 and x1 were saved in the vector entry */ + stp x2, x3, [sp, #-16]! + stp x4, x5, [sp, #-16]! + stp x6, x7, [sp, #-16]! + stp x8, x9, [sp, #-16]! + stp x10, x11, [sp, #-16]! + stp x12, x13, [sp, #-16]! + stp x14, x15, [sp, #-16]! + stp x16, x17, [sp, #-16]! +.endm + +.macro restore_caller_saved_regs_vect + ldp x16, x17, [sp], #16 + ldp x14, x15, [sp], #16 + ldp x12, x13, [sp], #16 + ldp x10, x11, [sp], #16 + ldp x8, x9, [sp], #16 + ldp x6, x7, [sp], #16 + ldp x4, x5, [sp], #16 + ldp x2, x3, [sp], #16 + ldp x0, x1, [sp], #16 +.endm + .text .macro do_el2_call @@ -143,13 +167,19 @@ el1_error: b __guest_exit el2_sync: - /* Check for illegal exception return, otherwise panic */ + /* Check for illegal exception return */ mrs x0, spsr_el2 + tbnz x0, #20, 1f - /* if this was something else, then panic! */ - tst x0, #PSR_IL_BIT - b.eq __hyp_panic + save_caller_saved_regs_vect + stp x29, x30, [sp, #-16]! + bl kvm_unexpected_el2_exception + ldp x29, x30, [sp], #16 + restore_caller_saved_regs_vect + eret + +1: /* Let's attempt a recovery from the illegal exception return */ get_vcpu_ptr x1, x0 mov x0, #ARM_EXCEPTION_IL @@ -157,27 +187,14 @@ el2_sync: el2_error: - ldp x0, x1, [sp], #16 + save_caller_saved_regs_vect + stp x29, x30, [sp, #-16]! + + bl kvm_unexpected_el2_exception + + ldp x29, x30, [sp], #16 + restore_caller_saved_regs_vect - /* - * Only two possibilities: - * 1) Either we come from the exit path, having just unmasked - * PSTATE.A: change the return code to an EL2 fault, and - * carry on, as we're already in a sane state to handle it. - * 2) Or we come from anywhere else, and that's a bug: we panic. - * - * For (1), x0 contains the original return code and x1 doesn't - * contain anything meaningful at that stage. We can reuse them - * as temp registers. - * For (2), who cares? - */ - mrs x0, elr_el2 - adr x1, abort_guest_exit_start - cmp x0, x1 - adr x1, abort_guest_exit_end - ccmp x0, x1, #4, ne - b.ne __hyp_panic - mov x0, #(1 << ARM_EXIT_WITH_SERROR_BIT) eret sb diff --git a/arch/arm64/kvm/hyp/include/hyp/debug-sr.h b/arch/arm64/kvm/hyp/include/hyp/debug-sr.h index 0297dc63988c0f..5e28ea6aa097b0 100644 --- a/arch/arm64/kvm/hyp/include/hyp/debug-sr.h +++ b/arch/arm64/kvm/hyp/include/hyp/debug-sr.h @@ -21,70 +21,70 @@ #define save_debug(ptr,reg,nr) \ switch (nr) { \ case 15: ptr[15] = read_debug(reg, 15); \ - /* Fall through */ \ + fallthrough; \ case 14: ptr[14] = read_debug(reg, 14); \ - /* Fall through */ \ + fallthrough; \ case 13: ptr[13] = read_debug(reg, 13); \ - /* Fall through */ \ + fallthrough; \ case 12: ptr[12] = read_debug(reg, 12); \ - /* Fall through */ \ + fallthrough; \ case 11: ptr[11] = read_debug(reg, 11); \ - /* Fall through */ \ + fallthrough; \ case 10: ptr[10] = read_debug(reg, 10); \ - /* Fall through */ \ + fallthrough; \ case 9: ptr[9] = read_debug(reg, 9); \ - /* Fall through */ \ + fallthrough; \ case 8: ptr[8] = read_debug(reg, 8); \ - /* Fall through */ \ + fallthrough; \ case 7: ptr[7] = read_debug(reg, 7); \ - /* Fall through */ \ + fallthrough; \ case 6: ptr[6] = read_debug(reg, 6); \ - /* Fall through */ \ + fallthrough; \ case 5: ptr[5] = read_debug(reg, 5); \ - /* Fall through */ \ + fallthrough; \ case 4: ptr[4] = read_debug(reg, 4); \ - /* Fall through */ \ + fallthrough; \ case 3: ptr[3] = read_debug(reg, 3); \ - /* Fall through */ \ + fallthrough; \ case 2: ptr[2] = read_debug(reg, 2); \ - /* Fall through */ \ + fallthrough; \ case 1: ptr[1] = read_debug(reg, 1); \ - /* Fall through */ \ + fallthrough; \ default: ptr[0] = read_debug(reg, 0); \ } #define restore_debug(ptr,reg,nr) \ switch (nr) { \ case 15: write_debug(ptr[15], reg, 15); \ - /* Fall through */ \ + fallthrough; \ case 14: write_debug(ptr[14], reg, 14); \ - /* Fall through */ \ + fallthrough; \ case 13: write_debug(ptr[13], reg, 13); \ - /* Fall through */ \ + fallthrough; \ case 12: write_debug(ptr[12], reg, 12); \ - /* Fall through */ \ + fallthrough; \ case 11: write_debug(ptr[11], reg, 11); \ - /* Fall through */ \ + fallthrough; \ case 10: write_debug(ptr[10], reg, 10); \ - /* Fall through */ \ + fallthrough; \ case 9: write_debug(ptr[9], reg, 9); \ - /* Fall through */ \ + fallthrough; \ case 8: write_debug(ptr[8], reg, 8); \ - /* Fall through */ \ + fallthrough; \ case 7: write_debug(ptr[7], reg, 7); \ - /* Fall through */ \ + fallthrough; \ case 6: write_debug(ptr[6], reg, 6); \ - /* Fall through */ \ + fallthrough; \ case 5: write_debug(ptr[5], reg, 5); \ - /* Fall through */ \ + fallthrough; \ case 4: write_debug(ptr[4], reg, 4); \ - /* Fall through */ \ + fallthrough; \ case 3: write_debug(ptr[3], reg, 3); \ - /* Fall through */ \ + fallthrough; \ case 2: write_debug(ptr[2], reg, 2); \ - /* Fall through */ \ + fallthrough; \ case 1: write_debug(ptr[1], reg, 1); \ - /* Fall through */ \ + fallthrough; \ default: write_debug(ptr[0], reg, 0); \ } diff --git a/arch/arm64/kvm/hyp/include/hyp/switch.h b/arch/arm64/kvm/hyp/include/hyp/switch.h index 426ef65601dd9c..0261308bf944ac 100644 --- a/arch/arm64/kvm/hyp/include/hyp/switch.h +++ b/arch/arm64/kvm/hyp/include/hyp/switch.h @@ -17,6 +17,7 @@ #include <asm/barrier.h> #include <asm/cpufeature.h> +#include <asm/extable.h> #include <asm/kprobes.h> #include <asm/kvm_asm.h> #include <asm/kvm_emulate.h> @@ -29,6 +30,9 @@ extern const char __hyp_panic_string[]; +extern struct exception_table_entry __start___kvm_ex_table; +extern struct exception_table_entry __stop___kvm_ex_table; + /* Check whether the FP regs were dirtied while in the host-side run loop: */ static inline bool update_fp_enabled(struct kvm_vcpu *vcpu) { @@ -142,10 +146,10 @@ static inline bool __translate_far_to_hpfar(u64 far, u64 *hpfar) * saved the guest context yet, and we may return early... */ par = read_sysreg(par_el1); - asm volatile("at s1e1r, %0" : : "r" (far)); - isb(); - - tmp = read_sysreg(par_el1); + if (!__kvm_at("s1e1r", far)) + tmp = read_sysreg(par_el1); + else + tmp = SYS_PAR_EL1_F; /* back to the guest */ write_sysreg(par, par_el1); if (unlikely(tmp & SYS_PAR_EL1_F)) @@ -445,7 +449,7 @@ static inline bool fixup_guest_exit(struct kvm_vcpu *vcpu, u64 *exit_code) kvm_vcpu_trap_get_fault_type(vcpu) == FSC_FAULT && kvm_vcpu_dabt_isvalid(vcpu) && !kvm_vcpu_abt_issea(vcpu) && - !kvm_vcpu_dabt_iss1tw(vcpu); + !kvm_vcpu_abt_iss1tw(vcpu); if (valid) { int ret = __vgic_v2_perform_cpuif_access(vcpu); @@ -508,4 +512,31 @@ static inline void __set_host_arch_workaround_state(struct kvm_vcpu *vcpu) #endif } +static inline void __kvm_unexpected_el2_exception(void) +{ + unsigned long addr, fixup; + struct kvm_cpu_context *host_ctxt; + struct exception_table_entry *entry, *end; + unsigned long elr_el2 = read_sysreg(elr_el2); + + entry = hyp_symbol_addr(__start___kvm_ex_table); + end = hyp_symbol_addr(__stop___kvm_ex_table); + host_ctxt = &__hyp_this_cpu_ptr(kvm_host_data)->host_ctxt; + + while (entry < end) { + addr = (unsigned long)&entry->insn + entry->insn; + fixup = (unsigned long)&entry->fixup + entry->fixup; + + if (addr != elr_el2) { + entry++; + continue; + } + + write_sysreg(fixup, elr_el2); + return; + } + + hyp_panic(host_ctxt); +} + #endif /* __ARM64_KVM_HYP_SWITCH_H__ */ diff --git a/arch/arm64/kvm/hyp/nvhe/switch.c b/arch/arm64/kvm/hyp/nvhe/switch.c index 341be2f2f31261..0970442d2dbcf7 100644 --- a/arch/arm64/kvm/hyp/nvhe/switch.c +++ b/arch/arm64/kvm/hyp/nvhe/switch.c @@ -270,3 +270,8 @@ void __noreturn hyp_panic(struct kvm_cpu_context *host_ctxt) read_sysreg(hpfar_el2), par, vcpu); unreachable(); } + +asmlinkage void kvm_unexpected_el2_exception(void) +{ + return __kvm_unexpected_el2_exception(); +} diff --git a/arch/arm64/kvm/hyp/nvhe/tlb.c b/arch/arm64/kvm/hyp/nvhe/tlb.c index 69eae608d67081..b15d65a42042d2 100644 --- a/arch/arm64/kvm/hyp/nvhe/tlb.c +++ b/arch/arm64/kvm/hyp/nvhe/tlb.c @@ -31,7 +31,14 @@ static void __tlb_switch_to_guest(struct kvm_s2_mmu *mmu, isb(); } + /* + * __load_guest_stage2() includes an ISB only when the AT + * workaround is applied. Take care of the opposite condition, + * ensuring that we always have an ISB, but not two ISBs back + * to back. + */ __load_guest_stage2(mmu); + asm(ALTERNATIVE("isb", "nop", ARM64_WORKAROUND_SPECULATIVE_AT)); } static void __tlb_switch_to_host(struct tlb_inv_context *cxt) diff --git a/arch/arm64/kvm/hyp/vgic-v3-sr.c b/arch/arm64/kvm/hyp/vgic-v3-sr.c index 5a0073511efb65..452f4cacd67435 100644 --- a/arch/arm64/kvm/hyp/vgic-v3-sr.c +++ b/arch/arm64/kvm/hyp/vgic-v3-sr.c @@ -340,10 +340,10 @@ void __vgic_v3_save_aprs(struct vgic_v3_cpu_if *cpu_if) case 7: cpu_if->vgic_ap0r[3] = __vgic_v3_read_ap0rn(3); cpu_if->vgic_ap0r[2] = __vgic_v3_read_ap0rn(2); - /* Fall through */ + fallthrough; case 6: cpu_if->vgic_ap0r[1] = __vgic_v3_read_ap0rn(1); - /* Fall through */ + fallthrough; default: cpu_if->vgic_ap0r[0] = __vgic_v3_read_ap0rn(0); } @@ -352,10 +352,10 @@ void __vgic_v3_save_aprs(struct vgic_v3_cpu_if *cpu_if) case 7: cpu_if->vgic_ap1r[3] = __vgic_v3_read_ap1rn(3); cpu_if->vgic_ap1r[2] = __vgic_v3_read_ap1rn(2); - /* Fall through */ + fallthrough; case 6: cpu_if->vgic_ap1r[1] = __vgic_v3_read_ap1rn(1); - /* Fall through */ + fallthrough; default: cpu_if->vgic_ap1r[0] = __vgic_v3_read_ap1rn(0); } @@ -373,10 +373,10 @@ void __vgic_v3_restore_aprs(struct vgic_v3_cpu_if *cpu_if) case 7: __vgic_v3_write_ap0rn(cpu_if->vgic_ap0r[3], 3); __vgic_v3_write_ap0rn(cpu_if->vgic_ap0r[2], 2); - /* Fall through */ + fallthrough; case 6: __vgic_v3_write_ap0rn(cpu_if->vgic_ap0r[1], 1); - /* Fall through */ + fallthrough; default: __vgic_v3_write_ap0rn(cpu_if->vgic_ap0r[0], 0); } @@ -385,10 +385,10 @@ void __vgic_v3_restore_aprs(struct vgic_v3_cpu_if *cpu_if) case 7: __vgic_v3_write_ap1rn(cpu_if->vgic_ap1r[3], 3); __vgic_v3_write_ap1rn(cpu_if->vgic_ap1r[2], 2); - /* Fall through */ + fallthrough; case 6: __vgic_v3_write_ap1rn(cpu_if->vgic_ap1r[1], 1); - /* Fall through */ + fallthrough; default: __vgic_v3_write_ap1rn(cpu_if->vgic_ap1r[0], 0); } diff --git a/arch/arm64/kvm/hyp/vhe/switch.c b/arch/arm64/kvm/hyp/vhe/switch.c index c52d714e0d7592..c1da4f86ccacac 100644 --- a/arch/arm64/kvm/hyp/vhe/switch.c +++ b/arch/arm64/kvm/hyp/vhe/switch.c @@ -217,3 +217,8 @@ void __noreturn hyp_panic(struct kvm_cpu_context *host_ctxt) __hyp_call_panic(spsr, elr, par, host_ctxt); unreachable(); } + +asmlinkage void kvm_unexpected_el2_exception(void) +{ + return __kvm_unexpected_el2_exception(); +} diff --git a/arch/arm64/kvm/mmu.c b/arch/arm64/kvm/mmu.c index ba00bcc0c88463..3d26b47a134308 100644 --- a/arch/arm64/kvm/mmu.c +++ b/arch/arm64/kvm/mmu.c @@ -1849,7 +1849,7 @@ static int user_mem_abort(struct kvm_vcpu *vcpu, phys_addr_t fault_ipa, struct kvm_s2_mmu *mmu = vcpu->arch.hw_mmu; write_fault = kvm_is_write_fault(vcpu); - exec_fault = kvm_vcpu_trap_is_iabt(vcpu); + exec_fault = kvm_vcpu_trap_is_exec_fault(vcpu); VM_BUG_ON(write_fault && exec_fault); if (fault_status == FSC_PERM && !write_fault && !exec_fault) { @@ -1877,6 +1877,7 @@ static int user_mem_abort(struct kvm_vcpu *vcpu, phys_addr_t fault_ipa, !fault_supports_stage2_huge_mapping(memslot, hva, vma_pagesize)) { force_pte = true; vma_pagesize = PAGE_SIZE; + vma_shift = PAGE_SHIFT; } /* @@ -1970,7 +1971,12 @@ static int user_mem_abort(struct kvm_vcpu *vcpu, phys_addr_t fault_ipa, (fault_status == FSC_PERM && stage2_is_exec(mmu, fault_ipa, vma_pagesize)); - if (vma_pagesize == PUD_SIZE) { + /* + * If PUD_SIZE == PMD_SIZE, there is no real PUD level, and + * all we have is a 2-level page table. Trying to map a PUD in + * this case would be fatally wrong. + */ + if (PUD_SIZE != PMD_SIZE && vma_pagesize == PUD_SIZE) { pud_t new_pud = kvm_pfn_pud(pfn, mem_type); new_pud = kvm_pud_mkhuge(new_pud); @@ -2125,7 +2131,7 @@ int kvm_handle_guest_abort(struct kvm_vcpu *vcpu) goto out; } - if (kvm_vcpu_dabt_iss1tw(vcpu)) { + if (kvm_vcpu_abt_iss1tw(vcpu)) { kvm_inject_dabt(vcpu, kvm_vcpu_get_hfar(vcpu)); ret = 1; goto out_unlock; diff --git a/arch/arm64/kvm/pvtime.c b/arch/arm64/kvm/pvtime.c index f7b52ce1557ec3..920ac43077ad3b 100644 --- a/arch/arm64/kvm/pvtime.c +++ b/arch/arm64/kvm/pvtime.c @@ -13,25 +13,22 @@ void kvm_update_stolen_time(struct kvm_vcpu *vcpu) { struct kvm *kvm = vcpu->kvm; - u64 steal; - __le64 steal_le; - u64 offset; - int idx; u64 base = vcpu->arch.steal.base; + u64 last_steal = vcpu->arch.steal.last_steal; + u64 offset = offsetof(struct pvclock_vcpu_stolen_time, stolen_time); + u64 steal = 0; + int idx; if (base == GPA_INVALID) return; - /* Let's do the local bookkeeping */ - steal = vcpu->arch.steal.steal; - steal += current->sched_info.run_delay - vcpu->arch.steal.last_steal; - vcpu->arch.steal.last_steal = current->sched_info.run_delay; - vcpu->arch.steal.steal = steal; - - steal_le = cpu_to_le64(steal); idx = srcu_read_lock(&kvm->srcu); - offset = offsetof(struct pvclock_vcpu_stolen_time, stolen_time); - kvm_put_guest(kvm, base + offset, steal_le, u64); + if (!kvm_get_guest(kvm, base + offset, steal)) { + steal = le64_to_cpu(steal); + vcpu->arch.steal.last_steal = READ_ONCE(current->sched_info.run_delay); + steal += vcpu->arch.steal.last_steal - last_steal; + kvm_put_guest(kvm, base + offset, cpu_to_le64(steal)); + } srcu_read_unlock(&kvm->srcu, idx); } @@ -43,7 +40,8 @@ long kvm_hypercall_pv_features(struct kvm_vcpu *vcpu) switch (feature) { case ARM_SMCCC_HV_PV_TIME_FEATURES: case ARM_SMCCC_HV_PV_TIME_ST: - val = SMCCC_RET_SUCCESS; + if (vcpu->arch.steal.base != GPA_INVALID) + val = SMCCC_RET_SUCCESS; break; } @@ -64,7 +62,6 @@ gpa_t kvm_init_stolen_time(struct kvm_vcpu *vcpu) * Start counting stolen time from the time the guest requests * the feature enabled. */ - vcpu->arch.steal.steal = 0; vcpu->arch.steal.last_steal = current->sched_info.run_delay; idx = srcu_read_lock(&kvm->srcu); @@ -74,7 +71,7 @@ gpa_t kvm_init_stolen_time(struct kvm_vcpu *vcpu) return base; } -static bool kvm_arm_pvtime_supported(void) +bool kvm_arm_pvtime_supported(void) { return !!sched_info_on(); } diff --git a/arch/arm64/kvm/trace_arm.h b/arch/arm64/kvm/trace_arm.h index 4691053c5ee426..ff0444352bba3e 100644 --- a/arch/arm64/kvm/trace_arm.h +++ b/arch/arm64/kvm/trace_arm.h @@ -23,7 +23,7 @@ TRACE_EVENT(kvm_entry, __entry->vcpu_pc = vcpu_pc; ), - TP_printk("PC: 0x%08lx", __entry->vcpu_pc) + TP_printk("PC: 0x%016lx", __entry->vcpu_pc) ); TRACE_EVENT(kvm_exit, @@ -42,7 +42,7 @@ TRACE_EVENT(kvm_exit, __entry->vcpu_pc = vcpu_pc; ), - TP_printk("%s: HSR_EC: 0x%04x (%s), PC: 0x%08lx", + TP_printk("%s: HSR_EC: 0x%04x (%s), PC: 0x%016lx", __print_symbolic(__entry->ret, kvm_arm_exception_type), __entry->esr_ec, __print_symbolic(__entry->esr_ec, kvm_arm_exception_class), @@ -69,7 +69,7 @@ TRACE_EVENT(kvm_guest_fault, __entry->ipa = ipa; ), - TP_printk("ipa %#llx, hsr %#08lx, hxfar %#08lx, pc %#08lx", + TP_printk("ipa %#llx, hsr %#08lx, hxfar %#08lx, pc %#016lx", __entry->ipa, __entry->hsr, __entry->hxfar, __entry->vcpu_pc) ); @@ -131,7 +131,7 @@ TRACE_EVENT(kvm_mmio_emulate, __entry->cpsr = cpsr; ), - TP_printk("Emulate MMIO at: 0x%08lx (instr: %08lx, cpsr: %08lx)", + TP_printk("Emulate MMIO at: 0x%016lx (instr: %08lx, cpsr: %08lx)", __entry->vcpu_pc, __entry->instr, __entry->cpsr) ); @@ -149,7 +149,7 @@ TRACE_EVENT(kvm_unmap_hva_range, __entry->end = end; ), - TP_printk("mmu notifier unmap range: %#08lx -- %#08lx", + TP_printk("mmu notifier unmap range: %#016lx -- %#016lx", __entry->start, __entry->end) ); @@ -165,7 +165,7 @@ TRACE_EVENT(kvm_set_spte_hva, __entry->hva = hva; ), - TP_printk("mmu notifier set pte hva: %#08lx", __entry->hva) + TP_printk("mmu notifier set pte hva: %#016lx", __entry->hva) ); TRACE_EVENT(kvm_age_hva, @@ -182,7 +182,7 @@ TRACE_EVENT(kvm_age_hva, __entry->end = end; ), - TP_printk("mmu notifier age hva: %#08lx -- %#08lx", + TP_printk("mmu notifier age hva: %#016lx -- %#016lx", __entry->start, __entry->end) ); @@ -198,7 +198,7 @@ TRACE_EVENT(kvm_test_age_hva, __entry->hva = hva; ), - TP_printk("mmu notifier test age hva: %#08lx", __entry->hva) + TP_printk("mmu notifier test age hva: %#016lx", __entry->hva) ); TRACE_EVENT(kvm_set_way_flush, diff --git a/arch/arm64/kvm/trace_handle_exit.h b/arch/arm64/kvm/trace_handle_exit.h index 2c56d1e0f5bd54..8d78acc4fba7ef 100644 --- a/arch/arm64/kvm/trace_handle_exit.h +++ b/arch/arm64/kvm/trace_handle_exit.h @@ -22,7 +22,7 @@ TRACE_EVENT(kvm_wfx_arm64, __entry->is_wfe = is_wfe; ), - TP_printk("guest executed wf%c at: 0x%08lx", + TP_printk("guest executed wf%c at: 0x%016lx", __entry->is_wfe ? 'e' : 'i', __entry->vcpu_pc) ); @@ -42,7 +42,7 @@ TRACE_EVENT(kvm_hvc_arm64, __entry->imm = imm; ), - TP_printk("HVC at 0x%08lx (r0: 0x%08lx, imm: 0x%lx)", + TP_printk("HVC at 0x%016lx (r0: 0x%016lx, imm: 0x%lx)", __entry->vcpu_pc, __entry->r0, __entry->imm) ); @@ -135,7 +135,7 @@ TRACE_EVENT(trap_reg, __entry->write_value = write_value; ), - TP_printk("%s %s reg %d (0x%08llx)", __entry->fn, __entry->is_write?"write to":"read from", __entry->reg, __entry->write_value) + TP_printk("%s %s reg %d (0x%016llx)", __entry->fn, __entry->is_write?"write to":"read from", __entry->reg, __entry->write_value) ); TRACE_EVENT(kvm_handle_sys_reg, diff --git a/arch/arm64/mm/context.c b/arch/arm64/mm/context.c index a206655a39a52b..9b11c096a04230 100644 --- a/arch/arm64/mm/context.c +++ b/arch/arm64/mm/context.c @@ -45,7 +45,7 @@ static u32 get_cpu_asid_bits(void) default: pr_warn("CPU%d: Unknown ASID size (%d); assuming 8-bit\n", smp_processor_id(), fld); - /* Fallthrough */ + fallthrough; case 0: asid = 8; break; diff --git a/arch/arm64/net/bpf_jit_comp.c b/arch/arm64/net/bpf_jit_comp.c index f8912e45be7ab0..ef9f1d5e989d06 100644 --- a/arch/arm64/net/bpf_jit_comp.c +++ b/arch/arm64/net/bpf_jit_comp.c @@ -143,14 +143,17 @@ static inline void emit_addr_mov_i64(const int reg, const u64 val, } } -static inline int bpf2a64_offset(int bpf_to, int bpf_from, +static inline int bpf2a64_offset(int bpf_insn, int off, const struct jit_ctx *ctx) { - int to = ctx->offset[bpf_to]; - /* -1 to account for the Branch instruction */ - int from = ctx->offset[bpf_from] - 1; - - return to - from; + /* BPF JMP offset is relative to the next instruction */ + bpf_insn++; + /* + * Whereas arm64 branch instructions encode the offset + * from the branch itself, so we must subtract 1 from the + * instruction offset. + */ + return ctx->offset[bpf_insn + off] - (ctx->offset[bpf_insn] - 1); } static void jit_fill_hole(void *area, unsigned int size) @@ -642,7 +645,7 @@ emit_bswap_uxt: /* JUMP off */ case BPF_JMP | BPF_JA: - jmp_offset = bpf2a64_offset(i + off, i, ctx); + jmp_offset = bpf2a64_offset(i, off, ctx); check_imm26(jmp_offset); emit(A64_B(jmp_offset), ctx); break; @@ -669,7 +672,7 @@ emit_bswap_uxt: case BPF_JMP32 | BPF_JSLE | BPF_X: emit(A64_CMP(is64, dst, src), ctx); emit_cond_jmp: - jmp_offset = bpf2a64_offset(i + off, i, ctx); + jmp_offset = bpf2a64_offset(i, off, ctx); check_imm19(jmp_offset); switch (BPF_OP(code)) { case BPF_JEQ: @@ -908,10 +911,21 @@ static int build_body(struct jit_ctx *ctx, bool extra_pass) const struct bpf_prog *prog = ctx->prog; int i; + /* + * - offset[0] offset of the end of prologue, + * start of the 1st instruction. + * - offset[1] - offset of the end of 1st instruction, + * start of the 2nd instruction + * [....] + * - offset[3] - offset of the end of 3rd instruction, + * start of 4th instruction + */ for (i = 0; i < prog->len; i++) { const struct bpf_insn *insn = &prog->insnsi[i]; int ret; + if (ctx->image == NULL) + ctx->offset[i] = ctx->idx; ret = build_insn(insn, ctx, extra_pass); if (ret > 0) { i++; @@ -919,11 +933,16 @@ static int build_body(struct jit_ctx *ctx, bool extra_pass) ctx->offset[i] = ctx->idx; continue; } - if (ctx->image == NULL) - ctx->offset[i] = ctx->idx; if (ret) return ret; } + /* + * offset is allocated with prog->len + 1 so fill in + * the last element with the offset after the last + * instruction (end of program) + */ + if (ctx->image == NULL) + ctx->offset[i] = ctx->idx; return 0; } @@ -1002,7 +1021,7 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *prog) memset(&ctx, 0, sizeof(ctx)); ctx.prog = prog; - ctx.offset = kcalloc(prog->len, sizeof(int), GFP_KERNEL); + ctx.offset = kcalloc(prog->len + 1, sizeof(int), GFP_KERNEL); if (ctx.offset == NULL) { prog = orig_prog; goto out_off; @@ -1089,7 +1108,7 @@ skip_init_ctx: prog->jited_len = prog_size; if (!prog->is_func || extra_pass) { - bpf_prog_fill_jited_linfo(prog, ctx.offset); + bpf_prog_fill_jited_linfo(prog, ctx.offset + 1); out_off: kfree(ctx.offset); kfree(jit_data); diff --git a/arch/c6x/kernel/signal.c b/arch/c6x/kernel/signal.c index e456652facce51..d05c78eace1bf7 100644 --- a/arch/c6x/kernel/signal.c +++ b/arch/c6x/kernel/signal.c @@ -220,7 +220,7 @@ handle_restart(struct pt_regs *regs, struct k_sigaction *ka, int has_handler) regs->a4 = -EINTR; break; } - /* fallthrough */ + fallthrough; case -ERESTARTNOINTR: do_restart: regs->a4 = regs->orig_a4; @@ -252,7 +252,7 @@ static void handle_signal(struct ksignal *ksig, struct pt_regs *regs, break; } - /* fallthrough */ + fallthrough; case -ERESTARTNOINTR: regs->a4 = regs->orig_a4; regs->pc -= 4; diff --git a/arch/csky/kernel/signal.c b/arch/csky/kernel/signal.c index 9452d6570b7e81..970895df75ec3e 100644 --- a/arch/csky/kernel/signal.c +++ b/arch/csky/kernel/signal.c @@ -194,7 +194,7 @@ static void handle_signal(struct ksignal *ksig, struct pt_regs *regs) regs->a0 = -EINTR; break; } - /* fallthrough */ + fallthrough; case -ERESTARTNOINTR: regs->a0 = regs->orig_a0; regs->pc -= TRAP0_SIZE; diff --git a/arch/h8300/kernel/signal.c b/arch/h8300/kernel/signal.c index 38d335488a54bd..69e68949787feb 100644 --- a/arch/h8300/kernel/signal.c +++ b/arch/h8300/kernel/signal.c @@ -227,7 +227,7 @@ handle_restart(struct pt_regs *regs, struct k_sigaction *ka) regs->er0 = -EINTR; break; } - /* fallthrough */ + fallthrough; case -ERESTARTNOINTR: do_restart: regs->er0 = regs->orig_er0; diff --git a/arch/hexagon/kernel/module.c b/arch/hexagon/kernel/module.c index cf99fb79a12411..cb3bf19b064007 100644 --- a/arch/hexagon/kernel/module.c +++ b/arch/hexagon/kernel/module.c @@ -120,7 +120,7 @@ int apply_relocate_add(Elf_Shdr *sechdrs, const char *strtab, } case R_HEXAGON_HI16: value = (value>>16) & 0xffff; - /* fallthrough */ + fallthrough; case R_HEXAGON_LO16: *location &= ~0x00c03fff; *location |= value & 0x3fff; diff --git a/arch/hexagon/kernel/signal.c b/arch/hexagon/kernel/signal.c index d48864c48e5ac4..94cc7ff52dce80 100644 --- a/arch/hexagon/kernel/signal.c +++ b/arch/hexagon/kernel/signal.c @@ -155,7 +155,7 @@ static void handle_signal(struct ksignal *ksig, struct pt_regs *regs) regs->r00 = -EINTR; break; } - /* Fall through */ + fallthrough; case -ERESTARTNOINTR: regs->r06 = regs->syscall_nr; pt_set_elr(regs, pt_elr(regs) - 4); diff --git a/arch/ia64/include/asm/acpi.h b/arch/ia64/include/asm/acpi.h index b66ba907019ce1..87927eb824ccd9 100644 --- a/arch/ia64/include/asm/acpi.h +++ b/arch/ia64/include/asm/acpi.h @@ -74,8 +74,6 @@ static inline void arch_acpi_set_pdc_bits(u32 *buf) buf[2] |= ACPI_PDC_EST_CAPABILITY_SMP; } -#define acpi_unlazy_tlb(x) - #ifdef CONFIG_ACPI_NUMA extern cpumask_t early_cpu_possible_map; #define for_each_possible_early_cpu(cpu) \ diff --git a/arch/ia64/kernel/crash.c b/arch/ia64/kernel/crash.c index bec762a9b418d3..fec70d662d0c2d 100644 --- a/arch/ia64/kernel/crash.c +++ b/arch/ia64/kernel/crash.c @@ -163,7 +163,7 @@ kdump_init_notifier(struct notifier_block *self, unsigned long val, void *data) case DIE_INIT_MONARCH_LEAVE: if (!kdump_freeze_monarch) break; - /* fall through */ + fallthrough; case DIE_INIT_SLAVE_LEAVE: case DIE_INIT_MONARCH_ENTER: case DIE_MCA_RENDZVOUS_LEAVE: diff --git a/arch/ia64/kernel/ia64_ksyms.c b/arch/ia64/kernel/ia64_ksyms.c index b49fe6f618edb1..f8150ee74f2974 100644 --- a/arch/ia64/kernel/ia64_ksyms.c +++ b/arch/ia64/kernel/ia64_ksyms.c @@ -3,7 +3,7 @@ * Architecture-specific kernel symbols */ -#ifdef CONFIG_VIRTUAL_MEM_MAP +#if defined(CONFIG_VIRTUAL_MEM_MAP) || defined(CONFIG_DISCONTIGMEM) #include <linux/compiler.h> #include <linux/export.h> #include <linux/memblock.h> diff --git a/arch/ia64/kernel/module.c b/arch/ia64/kernel/module.c index 1a42ba885188a5..00a496cb346f6e 100644 --- a/arch/ia64/kernel/module.c +++ b/arch/ia64/kernel/module.c @@ -654,7 +654,7 @@ do_reloc (struct module *mod, uint8_t r_type, Elf64_Sym *sym, uint64_t addend, } } else if (!is_internal(mod, val)) val = get_plt(mod, location, val, &ok); - /* FALL THROUGH */ + fallthrough; default: val -= bundle(location); break; diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c index 971f166873aa69..0dc3611e797156 100644 --- a/arch/ia64/kernel/perfmon.c +++ b/arch/ia64/kernel/perfmon.c @@ -3472,7 +3472,7 @@ pfm_restart(pfm_context_t *ctx, void *arg, int count, struct pt_regs *regs) break; case PFM_CTX_LOADED: if (CTX_HAS_SMPL(ctx) && fmt->fmt_restart_active) break; - /* fall through */ + fallthrough; case PFM_CTX_UNLOADED: case PFM_CTX_ZOMBIE: DPRINT(("invalid state=%d\n", state)); diff --git a/arch/ia64/kernel/signal.c b/arch/ia64/kernel/signal.c index d07ed65c9c6e95..e67b22fc3c60b7 100644 --- a/arch/ia64/kernel/signal.c +++ b/arch/ia64/kernel/signal.c @@ -374,7 +374,7 @@ ia64_do_signal (struct sigscratch *scr, long in_syscall) /* note: scr->pt.r10 is already -1 */ break; } - /*FALLTHRU*/ + fallthrough; case ERESTARTNOINTR: ia64_decrement_ip(&scr->pt); restart = 0; /* don't restart twice if handle_signal() fails... */ diff --git a/arch/ia64/kernel/unaligned.c b/arch/ia64/kernel/unaligned.c index 2d4e65ba5c3e90..6c1a8951dfbb81 100644 --- a/arch/ia64/kernel/unaligned.c +++ b/arch/ia64/kernel/unaligned.c @@ -1431,7 +1431,7 @@ ia64_handle_unaligned (unsigned long ifa, struct pt_regs *regs) if (u.insn.x) /* oops, really a semaphore op (cmpxchg, etc) */ goto failure; - /*FALLTHRU*/ + fallthrough; case LDS_IMM_OP: case LDSA_IMM_OP: case LDFS_OP: @@ -1459,7 +1459,7 @@ ia64_handle_unaligned (unsigned long ifa, struct pt_regs *regs) if (u.insn.x) /* oops, really a semaphore op (cmpxchg, etc) */ goto failure; - /*FALLTHRU*/ + fallthrough; case LD_IMM_OP: case LDA_IMM_OP: case LDBIAS_IMM_OP: @@ -1475,7 +1475,7 @@ ia64_handle_unaligned (unsigned long ifa, struct pt_regs *regs) if (u.insn.x) /* oops, really a semaphore op (cmpxchg, etc) */ goto failure; - /*FALLTHRU*/ + fallthrough; case ST_IMM_OP: case STREL_IMM_OP: ret = emulate_store_int(ifa, u.insn, regs); diff --git a/arch/ia64/kernel/unwind.c b/arch/ia64/kernel/unwind.c index 7601fe0622d25e..6bd64c35e691ae 100644 --- a/arch/ia64/kernel/unwind.c +++ b/arch/ia64/kernel/unwind.c @@ -324,7 +324,7 @@ unw_access_gr (struct unw_frame_info *info, int regnum, unsigned long *val, char return 0; } } - /* fall through */ + fallthrough; case UNW_NAT_NONE: dummy_nat = 0; nat_addr = &dummy_nat; diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c index 0b3fb4c7af2920..8e7b8c6c576eee 100644 --- a/arch/ia64/mm/init.c +++ b/arch/ia64/mm/init.c @@ -538,7 +538,7 @@ virtual_memmap_init(u64 start, u64 end, void *arg) if (map_start < map_end) memmap_init_zone((unsigned long)(map_end - map_start), args->nid, args->zone, page_to_pfn(map_start), - MEMMAP_EARLY, NULL); + MEMINIT_EARLY, NULL); return 0; } @@ -547,8 +547,8 @@ memmap_init (unsigned long size, int nid, unsigned long zone, unsigned long start_pfn) { if (!vmem_map) { - memmap_init_zone(size, nid, zone, start_pfn, MEMMAP_EARLY, - NULL); + memmap_init_zone(size, nid, zone, start_pfn, + MEMINIT_EARLY, NULL); } else { struct page *start; struct memmap_init_callback_data args; diff --git a/arch/m68k/atari/atakeyb.c b/arch/m68k/atari/atakeyb.c index 37091898adb3d3..5e0e682f9c61a6 100644 --- a/arch/m68k/atari/atakeyb.c +++ b/arch/m68k/atari/atakeyb.c @@ -207,7 +207,7 @@ repeat: self_test_last_rcv = jiffies; break; } - /* FALL THROUGH */ + fallthrough; default: break_flag = scancode & BREAK_MASK; diff --git a/arch/m68k/kernel/signal.c b/arch/m68k/kernel/signal.c index fc034fd19798eb..a98fca97707375 100644 --- a/arch/m68k/kernel/signal.c +++ b/arch/m68k/kernel/signal.c @@ -1067,7 +1067,7 @@ handle_restart(struct pt_regs *regs, struct k_sigaction *ka, int has_handler) regs->d0 = -EINTR; break; } - /* fallthrough */ + fallthrough; case -ERESTARTNOINTR: do_restart: regs->d0 = regs->orig_d0; diff --git a/arch/m68k/mac/config.c b/arch/m68k/mac/config.c index 5c9f3a2d653882..a621fcc1a576ac 100644 --- a/arch/m68k/mac/config.c +++ b/arch/m68k/mac/config.c @@ -1018,7 +1018,7 @@ int __init mac_platform_init(void) */ platform_device_register_simple("mac_scsi", 1, mac_scsi_duo_rsrc, ARRAY_SIZE(mac_scsi_duo_rsrc)); - /* fall through */ + fallthrough; case MAC_SCSI_OLD: /* Addresses from Developer Notes for Duo System, * PowerBook 180 & 160, 140 & 170, Macintosh IIsi diff --git a/arch/m68k/mac/via.c b/arch/m68k/mac/via.c index 1f0fad2a98a07d..ac77d73af19a59 100644 --- a/arch/m68k/mac/via.c +++ b/arch/m68k/mac/via.c @@ -370,7 +370,7 @@ void via_nubus_irq_startup(int irq) /* Allow NuBus slots 9 through F. */ via2[vDirA] &= 0x80 | ~(1 << irq_idx); } - /* fall through */ + fallthrough; case MAC_VIA_IICI: via_irq_enable(irq); break; diff --git a/arch/m68k/mm/fault.c b/arch/m68k/mm/fault.c index 795f483b105091..ef46e77e97a5b3 100644 --- a/arch/m68k/mm/fault.c +++ b/arch/m68k/mm/fault.c @@ -118,7 +118,7 @@ good_area: pr_debug("do_page_fault: good_area\n"); switch (error_code & 3) { default: /* 3: write, present */ - /* fall through */ + fallthrough; case 2: /* write, not present */ if (!(vma->vm_flags & VM_WRITE)) goto acc_err; diff --git a/arch/microblaze/kernel/signal.c b/arch/microblaze/kernel/signal.c index 65bf5fd8d4733b..4a96b59f0beed3 100644 --- a/arch/microblaze/kernel/signal.c +++ b/arch/microblaze/kernel/signal.c @@ -249,7 +249,7 @@ handle_restart(struct pt_regs *regs, struct k_sigaction *ka, int has_handler) regs->r3 = -EINTR; break; } - /* fallthrough */ + fallthrough; case -ERESTARTNOINTR: do_restart: /* offset of 4 bytes to re-execute trap (brki) instruction */ diff --git a/arch/microblaze/mm/init.c b/arch/microblaze/mm/init.c index 0880a003573d9d..3344d4a1fe890c 100644 --- a/arch/microblaze/mm/init.c +++ b/arch/microblaze/mm/init.c @@ -46,6 +46,9 @@ unsigned long memory_size; EXPORT_SYMBOL(memory_size); unsigned long lowmem_size; +EXPORT_SYMBOL(min_low_pfn); +EXPORT_SYMBOL(max_low_pfn); + #ifdef CONFIG_HIGHMEM pte_t *kmap_pte; EXPORT_SYMBOL(kmap_pte); diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index c95fa3a2484cf0..8f328298f8cc87 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -877,6 +877,7 @@ config SNI_RM select I8253 select I8259 select ISA + select MIPS_L1_CACHE_SHIFT_6 select SWAP_IO_SPACE if CPU_BIG_ENDIAN select SYS_HAS_CPU_R4X00 select SYS_HAS_CPU_R5000 diff --git a/arch/mips/bcm47xx/setup.c b/arch/mips/bcm47xx/setup.c index 82627c26496444..01427bde23970a 100644 --- a/arch/mips/bcm47xx/setup.c +++ b/arch/mips/bcm47xx/setup.c @@ -148,7 +148,7 @@ void __init plat_mem_setup(void) { struct cpuinfo_mips *c = ¤t_cpu_data; - if ((c->cputype == CPU_74K) || (c->cputype == CPU_1074K)) { + if (c->cputype == CPU_74K) { pr_info("Using bcma bus\n"); #ifdef CONFIG_BCM47XX_BCMA bcm47xx_bus_type = BCM47XX_BUS_TYPE_BCMA; diff --git a/arch/mips/include/asm/cpu-type.h b/arch/mips/include/asm/cpu-type.h index 75a7a382da099d..3288cef4b168c3 100644 --- a/arch/mips/include/asm/cpu-type.h +++ b/arch/mips/include/asm/cpu-type.h @@ -47,6 +47,7 @@ static inline int __pure __get_cpu_type(const int cpu_type) case CPU_34K: case CPU_1004K: case CPU_74K: + case CPU_1074K: case CPU_M14KC: case CPU_M14KEC: case CPU_INTERAPTIV: diff --git a/arch/mips/include/asm/mach-loongson64/cpu-feature-overrides.h b/arch/mips/include/asm/mach-loongson64/cpu-feature-overrides.h index b6e9c99b85a529..eb181224eb4c43 100644 --- a/arch/mips/include/asm/mach-loongson64/cpu-feature-overrides.h +++ b/arch/mips/include/asm/mach-loongson64/cpu-feature-overrides.h @@ -26,7 +26,6 @@ #define cpu_has_counter 1 #define cpu_has_dc_aliases (PAGE_SIZE < 0x4000) #define cpu_has_divec 0 -#define cpu_has_ejtag 0 #define cpu_has_inclusive_pcaches 1 #define cpu_has_llsc 1 #define cpu_has_mcheck 0 @@ -42,7 +41,6 @@ #define cpu_has_veic 0 #define cpu_has_vint 0 #define cpu_has_vtag_icache 0 -#define cpu_has_watch 1 #define cpu_has_wsbh 1 #define cpu_has_ic_fills_f_dc 1 #define cpu_hwrena_impl_bits 0xc0000000 diff --git a/arch/mips/include/asm/mach-loongson64/irq.h b/arch/mips/include/asm/mach-loongson64/irq.h index f5e362f7970199..bf248092315416 100644 --- a/arch/mips/include/asm/mach-loongson64/irq.h +++ b/arch/mips/include/asm/mach-loongson64/irq.h @@ -2,8 +2,6 @@ #ifndef __ASM_MACH_LOONGSON64_IRQ_H_ #define __ASM_MACH_LOONGSON64_IRQ_H_ -#include <boot_param.h> - /* cpu core interrupt numbers */ #define NR_IRQS_LEGACY 16 #define NR_MIPS_CPU_IRQS 8 diff --git a/arch/mips/include/asm/mach-loongson64/mmzone.h b/arch/mips/include/asm/mach-loongson64/mmzone.h index 3a25dbd3b3e99e..5eaca4fe3f924f 100644 --- a/arch/mips/include/asm/mach-loongson64/mmzone.h +++ b/arch/mips/include/asm/mach-loongson64/mmzone.h @@ -9,7 +9,6 @@ #ifndef _ASM_MACH_LOONGSON64_MMZONE_H #define _ASM_MACH_LOONGSON64_MMZONE_H -#include <boot_param.h> #define NODE_ADDRSPACE_SHIFT 44 #define NODE0_ADDRSPACE_OFFSET 0x000000000000UL #define NODE1_ADDRSPACE_OFFSET 0x100000000000UL diff --git a/arch/mips/include/asm/unroll.h b/arch/mips/include/asm/unroll.h index 7dd4a80e05d6dd..6f4ac854b12d28 100644 --- a/arch/mips/include/asm/unroll.h +++ b/arch/mips/include/asm/unroll.h @@ -28,38 +28,38 @@ BUILD_BUG_ON(!__builtin_constant_p(times)); \ \ switch (times) { \ - case 32: fn(__VA_ARGS__); /* fall through */ \ - case 31: fn(__VA_ARGS__); /* fall through */ \ - case 30: fn(__VA_ARGS__); /* fall through */ \ - case 29: fn(__VA_ARGS__); /* fall through */ \ - case 28: fn(__VA_ARGS__); /* fall through */ \ - case 27: fn(__VA_ARGS__); /* fall through */ \ - case 26: fn(__VA_ARGS__); /* fall through */ \ - case 25: fn(__VA_ARGS__); /* fall through */ \ - case 24: fn(__VA_ARGS__); /* fall through */ \ - case 23: fn(__VA_ARGS__); /* fall through */ \ - case 22: fn(__VA_ARGS__); /* fall through */ \ - case 21: fn(__VA_ARGS__); /* fall through */ \ - case 20: fn(__VA_ARGS__); /* fall through */ \ - case 19: fn(__VA_ARGS__); /* fall through */ \ - case 18: fn(__VA_ARGS__); /* fall through */ \ - case 17: fn(__VA_ARGS__); /* fall through */ \ - case 16: fn(__VA_ARGS__); /* fall through */ \ - case 15: fn(__VA_ARGS__); /* fall through */ \ - case 14: fn(__VA_ARGS__); /* fall through */ \ - case 13: fn(__VA_ARGS__); /* fall through */ \ - case 12: fn(__VA_ARGS__); /* fall through */ \ - case 11: fn(__VA_ARGS__); /* fall through */ \ - case 10: fn(__VA_ARGS__); /* fall through */ \ - case 9: fn(__VA_ARGS__); /* fall through */ \ - case 8: fn(__VA_ARGS__); /* fall through */ \ - case 7: fn(__VA_ARGS__); /* fall through */ \ - case 6: fn(__VA_ARGS__); /* fall through */ \ - case 5: fn(__VA_ARGS__); /* fall through */ \ - case 4: fn(__VA_ARGS__); /* fall through */ \ - case 3: fn(__VA_ARGS__); /* fall through */ \ - case 2: fn(__VA_ARGS__); /* fall through */ \ - case 1: fn(__VA_ARGS__); /* fall through */ \ + case 32: fn(__VA_ARGS__); fallthrough; \ + case 31: fn(__VA_ARGS__); fallthrough; \ + case 30: fn(__VA_ARGS__); fallthrough; \ + case 29: fn(__VA_ARGS__); fallthrough; \ + case 28: fn(__VA_ARGS__); fallthrough; \ + case 27: fn(__VA_ARGS__); fallthrough; \ + case 26: fn(__VA_ARGS__); fallthrough; \ + case 25: fn(__VA_ARGS__); fallthrough; \ + case 24: fn(__VA_ARGS__); fallthrough; \ + case 23: fn(__VA_ARGS__); fallthrough; \ + case 22: fn(__VA_ARGS__); fallthrough; \ + case 21: fn(__VA_ARGS__); fallthrough; \ + case 20: fn(__VA_ARGS__); fallthrough; \ + case 19: fn(__VA_ARGS__); fallthrough; \ + case 18: fn(__VA_ARGS__); fallthrough; \ + case 17: fn(__VA_ARGS__); fallthrough; \ + case 16: fn(__VA_ARGS__); fallthrough; \ + case 15: fn(__VA_ARGS__); fallthrough; \ + case 14: fn(__VA_ARGS__); fallthrough; \ + case 13: fn(__VA_ARGS__); fallthrough; \ + case 12: fn(__VA_ARGS__); fallthrough; \ + case 11: fn(__VA_ARGS__); fallthrough; \ + case 10: fn(__VA_ARGS__); fallthrough; \ + case 9: fn(__VA_ARGS__); fallthrough; \ + case 8: fn(__VA_ARGS__); fallthrough; \ + case 7: fn(__VA_ARGS__); fallthrough; \ + case 6: fn(__VA_ARGS__); fallthrough; \ + case 5: fn(__VA_ARGS__); fallthrough; \ + case 4: fn(__VA_ARGS__); fallthrough; \ + case 3: fn(__VA_ARGS__); fallthrough; \ + case 2: fn(__VA_ARGS__); fallthrough; \ + case 1: fn(__VA_ARGS__); fallthrough; \ case 0: break; \ \ default: \ diff --git a/arch/mips/kernel/perf_event_mipsxx.c b/arch/mips/kernel/perf_event_mipsxx.c index efce5defcc5cfd..011eb6bbf81a5e 100644 --- a/arch/mips/kernel/perf_event_mipsxx.c +++ b/arch/mips/kernel/perf_event_mipsxx.c @@ -1898,8 +1898,8 @@ static const struct mips_perf_event *mipsxx_pmu_map_raw_event(u64 config) (base_id >= 64 && base_id < 90) || (base_id >= 128 && base_id < 164) || (base_id >= 192 && base_id < 200) || - (base_id >= 256 && base_id < 274) || - (base_id >= 320 && base_id < 358) || + (base_id >= 256 && base_id < 275) || + (base_id >= 320 && base_id < 361) || (base_id >= 384 && base_id < 574)) break; diff --git a/arch/mips/kernel/smp-bmips.c b/arch/mips/kernel/smp-bmips.c index 2f513506a3d527..1dbfb5aadffd64 100644 --- a/arch/mips/kernel/smp-bmips.c +++ b/arch/mips/kernel/smp-bmips.c @@ -239,6 +239,8 @@ static int bmips_boot_secondary(int cpu, struct task_struct *idle) */ static void bmips_init_secondary(void) { + bmips_cpu_setup(); + switch (current_cpu_type()) { case CPU_BMIPS4350: case CPU_BMIPS4380: diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c index 38aa07ccdbcc25..cf788591f09112 100644 --- a/arch/mips/kernel/traps.c +++ b/arch/mips/kernel/traps.c @@ -1287,6 +1287,18 @@ static int enable_restore_fp_context(int msa) err = own_fpu_inatomic(1); if (msa && !err) { enable_msa(); + /* + * with MSA enabled, userspace can see MSACSR + * and MSA regs, but the values in them are from + * other task before current task, restore them + * from saved fp/msa context + */ + write_msa_csr(current->thread.fpu.msacsr); + /* + * own_fpu_inatomic(1) just restore low 64bit, + * fix the high 64bit + */ + init_msa_upper(); set_thread_flag(TIF_USEDMSA); set_thread_flag(TIF_MSA_CTX_LIVE); } diff --git a/arch/mips/kvm/mips.c b/arch/mips/kvm/mips.c index 7de85d2253ff5c..0c50ac4442221f 100644 --- a/arch/mips/kvm/mips.c +++ b/arch/mips/kvm/mips.c @@ -137,6 +137,8 @@ extern void kvm_init_loongson_ipi(struct kvm *kvm); int kvm_arch_init_vm(struct kvm *kvm, unsigned long type) { switch (type) { + case KVM_VM_MIPS_AUTO: + break; #ifdef CONFIG_KVM_MIPS_VZ case KVM_VM_MIPS_VZ: #else diff --git a/arch/mips/loongson2ef/Platform b/arch/mips/loongson2ef/Platform index 4ab55f1123a042..ae023b9a1c5113 100644 --- a/arch/mips/loongson2ef/Platform +++ b/arch/mips/loongson2ef/Platform @@ -44,6 +44,10 @@ ifdef CONFIG_CPU_LOONGSON2F_WORKAROUNDS endif endif +# Some -march= flags enable MMI instructions, and GCC complains about that +# support being enabled alongside -msoft-float. Thus explicitly disable MMI. +cflags-y += $(call cc-option,-mno-loongson-mmi) + # # Loongson Machines' Support # diff --git a/arch/mips/loongson64/cop2-ex.c b/arch/mips/loongson64/cop2-ex.c index f130f62129b862..00055d4b6042f6 100644 --- a/arch/mips/loongson64/cop2-ex.c +++ b/arch/mips/loongson64/cop2-ex.c @@ -95,10 +95,8 @@ static int loongson_cu2_call(struct notifier_block *nfb, unsigned long action, if (res) goto fault; - set_fpr64(current->thread.fpu.fpr, - insn.loongson3_lswc2_format.rt, value); - set_fpr64(current->thread.fpu.fpr, - insn.loongson3_lswc2_format.rq, value_next); + set_fpr64(¤t->thread.fpu.fpr[insn.loongson3_lswc2_format.rt], 0, value); + set_fpr64(¤t->thread.fpu.fpr[insn.loongson3_lswc2_format.rq], 0, value_next); compute_return_epc(regs); own_fpu(1); } @@ -130,15 +128,13 @@ static int loongson_cu2_call(struct notifier_block *nfb, unsigned long action, goto sigbus; lose_fpu(1); - value_next = get_fpr64(current->thread.fpu.fpr, - insn.loongson3_lswc2_format.rq); + value_next = get_fpr64(¤t->thread.fpu.fpr[insn.loongson3_lswc2_format.rq], 0); StoreDW(addr + 8, value_next, res); if (res) goto fault; - value = get_fpr64(current->thread.fpu.fpr, - insn.loongson3_lswc2_format.rt); + value = get_fpr64(¤t->thread.fpu.fpr[insn.loongson3_lswc2_format.rt], 0); StoreDW(addr, value, res); if (res) @@ -204,8 +200,7 @@ static int loongson_cu2_call(struct notifier_block *nfb, unsigned long action, if (res) goto fault; - set_fpr64(current->thread.fpu.fpr, - insn.loongson3_lsdc2_format.rt, value); + set_fpr64(¤t->thread.fpu.fpr[insn.loongson3_lsdc2_format.rt], 0, value); compute_return_epc(regs); own_fpu(1); @@ -221,8 +216,7 @@ static int loongson_cu2_call(struct notifier_block *nfb, unsigned long action, if (res) goto fault; - set_fpr64(current->thread.fpu.fpr, - insn.loongson3_lsdc2_format.rt, value); + set_fpr64(¤t->thread.fpu.fpr[insn.loongson3_lsdc2_format.rt], 0, value); compute_return_epc(regs); own_fpu(1); break; @@ -286,8 +280,7 @@ static int loongson_cu2_call(struct notifier_block *nfb, unsigned long action, goto sigbus; lose_fpu(1); - value = get_fpr64(current->thread.fpu.fpr, - insn.loongson3_lsdc2_format.rt); + value = get_fpr64(¤t->thread.fpu.fpr[insn.loongson3_lsdc2_format.rt], 0); StoreW(addr, value, res); if (res) @@ -305,8 +298,7 @@ static int loongson_cu2_call(struct notifier_block *nfb, unsigned long action, goto sigbus; lose_fpu(1); - value = get_fpr64(current->thread.fpu.fpr, - insn.loongson3_lsdc2_format.rt); + value = get_fpr64(¤t->thread.fpu.fpr[insn.loongson3_lsdc2_format.rt], 0); StoreDW(addr, value, res); if (res) diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c index fc5a6d25f74ff4..0ef717093262fd 100644 --- a/arch/mips/mm/c-r4k.c +++ b/arch/mips/mm/c-r4k.c @@ -1712,7 +1712,11 @@ static void setup_scache(void) printk("MIPS secondary cache %ldkB, %s, linesize %d bytes.\n", scache_size >> 10, way_string[c->scache.ways], c->scache.linesz); + + if (current_cpu_type() == CPU_BMIPS5000) + c->options |= MIPS_CPU_INCLUSIVE_CACHES; } + #else if (!(c->scache.flags & MIPS_CACHE_NOT_PRESENT)) panic("Dunno how to handle MIPS32 / MIPS64 second level cache"); diff --git a/arch/mips/oprofile/op_model_mipsxx.c b/arch/mips/oprofile/op_model_mipsxx.c index 1493c49ca47a19..55d7b7fd18b6fb 100644 --- a/arch/mips/oprofile/op_model_mipsxx.c +++ b/arch/mips/oprofile/op_model_mipsxx.c @@ -245,7 +245,6 @@ static int mipsxx_perfcount_handler(void) switch (counters) { #define HANDLE_COUNTER(n) \ - fallthrough; \ case n + 1: \ control = r_c0_perfctrl ## n(); \ counter = r_c0_perfcntr ## n(); \ @@ -256,8 +255,11 @@ static int mipsxx_perfcount_handler(void) handled = IRQ_HANDLED; \ } HANDLE_COUNTER(3) + fallthrough; HANDLE_COUNTER(2) + fallthrough; HANDLE_COUNTER(1) + fallthrough; HANDLE_COUNTER(0) } diff --git a/arch/mips/sni/a20r.c b/arch/mips/sni/a20r.c index 0ecffb65fd6d1a..eeeec18c420a63 100644 --- a/arch/mips/sni/a20r.c +++ b/arch/mips/sni/a20r.c @@ -143,7 +143,10 @@ static struct platform_device sc26xx_pdev = { }, }; -static u32 a20r_ack_hwint(void) +/* + * Trigger chipset to update CPU's CAUSE IP field + */ +static u32 a20r_update_cause_ip(void) { u32 status = read_c0_status(); @@ -205,12 +208,14 @@ static void a20r_hwint(void) int irq; clear_c0_status(IE_IRQ0); - status = a20r_ack_hwint(); + status = a20r_update_cause_ip(); cause = read_c0_cause(); irq = ffs(((cause & status) >> 8) & 0xf8); if (likely(irq > 0)) do_IRQ(SNI_A20R_IRQ_BASE + irq - 1); + + a20r_update_cause_ip(); set_c0_status(IE_IRQ0); } @@ -222,8 +227,8 @@ void __init sni_a20r_irq_init(void) irq_set_chip_and_handler(i, &a20r_irq_type, handle_level_irq); sni_hwint = a20r_hwint; change_c0_status(ST0_IM, IE_IRQ0); - if (request_irq(SNI_A20R_IRQ_BASE + 3, sni_isa_irq_handler, 0, "ISA", - NULL)) + if (request_irq(SNI_A20R_IRQ_BASE + 3, sni_isa_irq_handler, + IRQF_SHARED, "ISA", sni_isa_irq_handler)) pr_err("Failed to register ISA interrupt\n"); } diff --git a/arch/nds32/kernel/fpu.c b/arch/nds32/kernel/fpu.c index 62bdafbc53f4c8..9edd7ed7d7bf84 100644 --- a/arch/nds32/kernel/fpu.c +++ b/arch/nds32/kernel/fpu.c @@ -45,7 +45,7 @@ void save_fpu(struct task_struct *tsk) : /* no output */ : "r" (&tsk->thread.fpu) : "memory"); - /* fall through */ + fallthrough; case SP32_DP16_reg: asm volatile ("fsdi $fd15, [%0+0x78]\n\t" "fsdi $fd14, [%0+0x70]\n\t" @@ -58,7 +58,7 @@ void save_fpu(struct task_struct *tsk) : /* no output */ : "r" (&tsk->thread.fpu) : "memory"); - /* fall through */ + fallthrough; case SP16_DP8_reg: asm volatile ("fsdi $fd7, [%0+0x38]\n\t" "fsdi $fd6, [%0+0x30]\n\t" @@ -67,7 +67,7 @@ void save_fpu(struct task_struct *tsk) : /* no output */ : "r" (&tsk->thread.fpu) : "memory"); - /* fall through */ + fallthrough; case SP8_DP4_reg: asm volatile ("fsdi $fd3, [%1+0x18]\n\t" "fsdi $fd2, [%1+0x10]\n\t" @@ -108,7 +108,7 @@ void load_fpu(const struct fpu_struct *fpregs) "fldi $fd16, [%0+0x80]\n\t" : /* no output */ : "r" (fpregs)); - /* fall through */ + fallthrough; case SP32_DP16_reg: asm volatile ("fldi $fd15, [%0+0x78]\n\t" "fldi $fd14, [%0+0x70]\n\t" @@ -120,7 +120,7 @@ void load_fpu(const struct fpu_struct *fpregs) "fldi $fd8, [%0+0x40]\n\t" : /* no output */ : "r" (fpregs)); - /* fall through */ + fallthrough; case SP16_DP8_reg: asm volatile ("fldi $fd7, [%0+0x38]\n\t" "fldi $fd6, [%0+0x30]\n\t" @@ -128,7 +128,7 @@ void load_fpu(const struct fpu_struct *fpregs) "fldi $fd4, [%0+0x20]\n\t" : /* no output */ : "r" (fpregs)); - /* fall through */ + fallthrough; case SP8_DP4_reg: asm volatile ("fldi $fd3, [%1+0x18]\n\t" "fldi $fd2, [%1+0x10]\n\t" diff --git a/arch/nds32/kernel/signal.c b/arch/nds32/kernel/signal.c index 330b19fcd99031..36e25a410bb0ec 100644 --- a/arch/nds32/kernel/signal.c +++ b/arch/nds32/kernel/signal.c @@ -316,7 +316,7 @@ static void handle_signal(struct ksignal *ksig, struct pt_regs *regs) regs->uregs[0] = -EINTR; break; } - /* Else, fall through */ + fallthrough; case -ERESTARTNOINTR: regs->uregs[0] = regs->orig_r0; regs->ipc -= 4; @@ -361,7 +361,7 @@ static void do_signal(struct pt_regs *regs) switch (regs->uregs[0]) { case -ERESTART_RESTARTBLOCK: regs->uregs[15] = __NR_restart_syscall; - /* Fall through */ + fallthrough; case -ERESTARTNOHAND: case -ERESTARTSYS: case -ERESTARTNOINTR: diff --git a/arch/openrisc/include/asm/uaccess.h b/arch/openrisc/include/asm/uaccess.h index f0390211236bfa..120f5005461b81 100644 --- a/arch/openrisc/include/asm/uaccess.h +++ b/arch/openrisc/include/asm/uaccess.h @@ -165,19 +165,19 @@ struct __large_struct { #define __get_user_nocheck(x, ptr, size) \ ({ \ - long __gu_err, __gu_val; \ - __get_user_size(__gu_val, (ptr), (size), __gu_err); \ - (x) = (__force __typeof__(*(ptr)))__gu_val; \ + long __gu_err; \ + __get_user_size((x), (ptr), (size), __gu_err); \ __gu_err; \ }) #define __get_user_check(x, ptr, size) \ ({ \ - long __gu_err = -EFAULT, __gu_val = 0; \ + long __gu_err = -EFAULT; \ const __typeof__(*(ptr)) __user *__gu_addr = (ptr); \ - if (access_ok(__gu_addr, size)) \ - __get_user_size(__gu_val, __gu_addr, (size), __gu_err); \ - (x) = (__force __typeof__(*(ptr)))__gu_val; \ + if (access_ok(__gu_addr, size)) \ + __get_user_size((x), __gu_addr, (size), __gu_err); \ + else \ + (x) = (__typeof__(*(ptr))) 0; \ __gu_err; \ }) @@ -191,11 +191,13 @@ do { \ case 2: __get_user_asm(x, ptr, retval, "l.lhz"); break; \ case 4: __get_user_asm(x, ptr, retval, "l.lwz"); break; \ case 8: __get_user_asm2(x, ptr, retval); break; \ - default: (x) = __get_user_bad(); \ + default: (x) = (__typeof__(*(ptr)))__get_user_bad(); \ } \ } while (0) #define __get_user_asm(x, addr, err, op) \ +{ \ + unsigned long __gu_tmp; \ __asm__ __volatile__( \ "1: "op" %1,0(%2)\n" \ "2:\n" \ @@ -209,10 +211,14 @@ do { \ " .align 2\n" \ " .long 1b,3b\n" \ ".previous" \ - : "=r"(err), "=r"(x) \ - : "r"(addr), "i"(-EFAULT), "0"(err)) + : "=r"(err), "=r"(__gu_tmp) \ + : "r"(addr), "i"(-EFAULT), "0"(err)); \ + (x) = (__typeof__(*(addr)))__gu_tmp; \ +} #define __get_user_asm2(x, addr, err) \ +{ \ + unsigned long long __gu_tmp; \ __asm__ __volatile__( \ "1: l.lwz %1,0(%2)\n" \ "2: l.lwz %H1,4(%2)\n" \ @@ -229,8 +235,11 @@ do { \ " .long 1b,4b\n" \ " .long 2b,4b\n" \ ".previous" \ - : "=r"(err), "=&r"(x) \ - : "r"(addr), "i"(-EFAULT), "0"(err)) + : "=r"(err), "=&r"(__gu_tmp) \ + : "r"(addr), "i"(-EFAULT), "0"(err)); \ + (x) = (__typeof__(*(addr)))( \ + (__typeof__((x)-(x)))__gu_tmp); \ +} /* more complex routines */ diff --git a/arch/openrisc/kernel/setup.c b/arch/openrisc/kernel/setup.c index b18e775f8be3b1..13c87f1f872b44 100644 --- a/arch/openrisc/kernel/setup.c +++ b/arch/openrisc/kernel/setup.c @@ -80,6 +80,16 @@ static void __init setup_memory(void) */ memblock_reserve(__pa(_stext), _end - _stext); +#ifdef CONFIG_BLK_DEV_INITRD + /* Then reserve the initrd, if any */ + if (initrd_start && (initrd_end > initrd_start)) { + unsigned long aligned_start = ALIGN_DOWN(initrd_start, PAGE_SIZE); + unsigned long aligned_end = ALIGN(initrd_end, PAGE_SIZE); + + memblock_reserve(__pa(aligned_start), aligned_end - aligned_start); + } +#endif /* CONFIG_BLK_DEV_INITRD */ + early_init_fdt_reserve_self(); early_init_fdt_scan_reserved_mem(); diff --git a/arch/openrisc/kernel/signal.c b/arch/openrisc/kernel/signal.c index 97804f21a40c83..c779364f0cd09b 100644 --- a/arch/openrisc/kernel/signal.c +++ b/arch/openrisc/kernel/signal.c @@ -244,7 +244,7 @@ int do_signal(struct pt_regs *regs, int syscall) switch (retval) { case -ERESTART_RESTARTBLOCK: restart = -2; - /* Fall through */ + fallthrough; case -ERESTARTNOHAND: case -ERESTARTSYS: case -ERESTARTNOINTR: diff --git a/arch/openrisc/mm/cache.c b/arch/openrisc/mm/cache.c index 08f56af387ac4b..534a52ec5e6678 100644 --- a/arch/openrisc/mm/cache.c +++ b/arch/openrisc/mm/cache.c @@ -16,7 +16,7 @@ #include <asm/cacheflush.h> #include <asm/tlbflush.h> -static void cache_loop(struct page *page, const unsigned int reg) +static __always_inline void cache_loop(struct page *page, const unsigned int reg) { unsigned long paddr = page_to_pfn(page) << PAGE_SHIFT; unsigned long line = paddr & ~(L1_CACHE_BYTES - 1); diff --git a/arch/parisc/kernel/signal.c b/arch/parisc/kernel/signal.c index 5df5d4cd5d4cf0..3c037fc960387b 100644 --- a/arch/parisc/kernel/signal.c +++ b/arch/parisc/kernel/signal.c @@ -502,7 +502,7 @@ syscall_restart(struct pt_regs *regs, struct k_sigaction *ka) regs->gr[28] = -EINTR; break; } - /* fallthrough */ + fallthrough; case -ERESTARTNOINTR: check_syscallno_in_delay_branch(regs); break; diff --git a/arch/parisc/kernel/traps.c b/arch/parisc/kernel/traps.c index 43875c289723ea..a52c7abf2ca492 100644 --- a/arch/parisc/kernel/traps.c +++ b/arch/parisc/kernel/traps.c @@ -437,7 +437,6 @@ void parisc_terminate(char *msg, struct pt_regs *regs, int code, unsigned long o break; default: - /* Fall through */ break; } @@ -644,12 +643,12 @@ void notrace handle_interruption(int code, struct pt_regs *regs) case 15: /* Data TLB miss fault/Data page fault */ - /* Fall through */ + fallthrough; case 16: /* Non-access instruction TLB miss fault */ /* The instruction TLB entry needed for the target address of the FIC is absent, and hardware can't find it, so we get to cleanup */ - /* Fall through */ + fallthrough; case 17: /* Non-access data TLB miss fault/Non-access data page fault */ /* FIXME: @@ -673,7 +672,7 @@ void notrace handle_interruption(int code, struct pt_regs *regs) handle_unaligned(regs); return; } - /* Fall Through */ + fallthrough; case 26: /* PCXL: Data memory access rights trap */ fault_address = regs->ior; @@ -683,7 +682,7 @@ void notrace handle_interruption(int code, struct pt_regs *regs) case 19: /* Data memory break trap */ regs->gr[0] |= PSW_X; /* So we can single-step over the trap */ - /* fall thru */ + fallthrough; case 21: /* Page reference trap */ handle_gdb_break(regs, TRAP_HWBKPT); @@ -730,7 +729,7 @@ void notrace handle_interruption(int code, struct pt_regs *regs) } mmap_read_unlock(current->mm); } - /* Fall Through */ + fallthrough; case 27: /* Data memory protection ID trap */ if (code == 27 && !user_mode(regs) && diff --git a/arch/parisc/mm/fault.c b/arch/parisc/mm/fault.c index 4bfe2da9fbe3a4..716960f5d92ea4 100644 --- a/arch/parisc/mm/fault.c +++ b/arch/parisc/mm/fault.c @@ -67,7 +67,7 @@ parisc_acctyp(unsigned long code, unsigned int inst) case 0x30000000: /* coproc2 */ if (bit22set(inst)) return VM_WRITE; - /* fall through */ + fallthrough; case 0x0: /* indexed/memory management */ if (bit22set(inst)) { @@ -370,7 +370,7 @@ bad_area: } /* probably address is outside of mapped file */ - /* fall through */ + fallthrough; case 17: /* NA data TLB miss / page fault */ case 18: /* Unaligned access - PCXS only */ signo = SIGBUS; diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 1f48bbfb3ce99d..787e829b6f25ca 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -116,7 +116,6 @@ config PPC # select ARCH_32BIT_OFF_T if PPC32 select ARCH_HAS_DEBUG_VIRTUAL - select ARCH_HAS_DEBUG_VM_PGTABLE select ARCH_HAS_DEVMEM_IS_ALLOWED select ARCH_HAS_ELF_RANDOMIZE select ARCH_HAS_FORTIFY_SOURCE @@ -860,6 +859,18 @@ config PPC_SUBPAGE_PROT If unsure, say N here. +config PPC_PROT_SAO_LPAR + bool "Support PROT_SAO mappings in LPARs" + depends on PPC_BOOK3S_64 + help + This option adds support for PROT_SAO mappings from userspace + inside LPARs on supported CPUs. + + This may cause issues when performing guest migration from + a CPU that supports SAO to one that does not. + + If unsure, say N here. + config PPC_COPRO_BASE bool diff --git a/arch/powerpc/configs/pasemi_defconfig b/arch/powerpc/configs/pasemi_defconfig index af9af03059e457..15ed8d0aa01467 100644 --- a/arch/powerpc/configs/pasemi_defconfig +++ b/arch/powerpc/configs/pasemi_defconfig @@ -108,7 +108,6 @@ CONFIG_FB_NVIDIA=y CONFIG_FB_NVIDIA_I2C=y CONFIG_FB_RADEON=y # CONFIG_LCD_CLASS_DEVICE is not set -CONFIG_VGACON_SOFT_SCROLLBACK=y CONFIG_LOGO=y CONFIG_SOUND=y CONFIG_SND=y diff --git a/arch/powerpc/configs/ppc6xx_defconfig b/arch/powerpc/configs/ppc6xx_defconfig index 5e6f92ba3210e9..66e9a0fd64ff20 100644 --- a/arch/powerpc/configs/ppc6xx_defconfig +++ b/arch/powerpc/configs/ppc6xx_defconfig @@ -743,7 +743,6 @@ CONFIG_FB_TRIDENT=m CONFIG_FB_SM501=m CONFIG_FB_IBM_GXT4500=y CONFIG_LCD_PLATFORM=m -CONFIG_VGACON_SOFT_SCROLLBACK=y CONFIG_FRAMEBUFFER_CONSOLE=y CONFIG_FRAMEBUFFER_CONSOLE_ROTATION=y CONFIG_LOGO=y diff --git a/arch/powerpc/include/asm/book3s/64/mmu.h b/arch/powerpc/include/asm/book3s/64/mmu.h index 55442d45c59791..b392384a3b1508 100644 --- a/arch/powerpc/include/asm/book3s/64/mmu.h +++ b/arch/powerpc/include/asm/book3s/64/mmu.h @@ -239,14 +239,14 @@ static inline void early_init_mmu_secondary(void) extern void hash__setup_initial_memory_limit(phys_addr_t first_memblock_base, phys_addr_t first_memblock_size); -extern void radix__setup_initial_memory_limit(phys_addr_t first_memblock_base, - phys_addr_t first_memblock_size); static inline void setup_initial_memory_limit(phys_addr_t first_memblock_base, phys_addr_t first_memblock_size) { - if (early_radix_enabled()) - return radix__setup_initial_memory_limit(first_memblock_base, - first_memblock_size); + /* + * Hash has more strict restrictions. At this point we don't + * know which translations we will pick. Hence go with hash + * restrictions. + */ return hash__setup_initial_memory_limit(first_memblock_base, first_memblock_size); } diff --git a/arch/powerpc/include/asm/book3s/64/pgtable.h b/arch/powerpc/include/asm/book3s/64/pgtable.h index 6de56c3b33c421..495fc0ccb45318 100644 --- a/arch/powerpc/include/asm/book3s/64/pgtable.h +++ b/arch/powerpc/include/asm/book3s/64/pgtable.h @@ -20,13 +20,9 @@ #define _PAGE_RW (_PAGE_READ | _PAGE_WRITE) #define _PAGE_RWX (_PAGE_READ | _PAGE_WRITE | _PAGE_EXEC) #define _PAGE_PRIVILEGED 0x00008 /* kernel access only */ - -#define _PAGE_CACHE_CTL 0x00030 /* Bits for the folowing cache modes */ - /* No bits set is normal cacheable memory */ - /* 0x00010 unused, is SAO bit on radix POWER9 */ +#define _PAGE_SAO 0x00010 /* Strong access order */ #define _PAGE_NON_IDEMPOTENT 0x00020 /* non idempotent memory */ #define _PAGE_TOLERANT 0x00030 /* tolerant memory, cache inhibited */ - #define _PAGE_DIRTY 0x00080 /* C: page changed */ #define _PAGE_ACCESSED 0x00100 /* R: page referenced */ /* @@ -828,6 +824,8 @@ static inline void __set_pte_at(struct mm_struct *mm, unsigned long addr, return hash__set_pte_at(mm, addr, ptep, pte, percpu); } +#define _PAGE_CACHE_CTL (_PAGE_SAO | _PAGE_NON_IDEMPOTENT | _PAGE_TOLERANT) + #define pgprot_noncached pgprot_noncached static inline pgprot_t pgprot_noncached(pgprot_t prot) { diff --git a/arch/powerpc/include/asm/cputable.h b/arch/powerpc/include/asm/cputable.h index e005b458102327..32a15dc49e8ca9 100644 --- a/arch/powerpc/include/asm/cputable.h +++ b/arch/powerpc/include/asm/cputable.h @@ -196,7 +196,7 @@ static inline void cpu_feature_keys_init(void) { } #define CPU_FTR_SPURR LONG_ASM_CONST(0x0000000001000000) #define CPU_FTR_DSCR LONG_ASM_CONST(0x0000000002000000) #define CPU_FTR_VSX LONG_ASM_CONST(0x0000000004000000) -// Free LONG_ASM_CONST(0x0000000008000000) +#define CPU_FTR_SAO LONG_ASM_CONST(0x0000000008000000) #define CPU_FTR_CP_USE_DCBTZ LONG_ASM_CONST(0x0000000010000000) #define CPU_FTR_UNALIGNED_LD_STD LONG_ASM_CONST(0x0000000020000000) #define CPU_FTR_ASYM_SMT LONG_ASM_CONST(0x0000000040000000) @@ -441,7 +441,7 @@ static inline void cpu_feature_keys_init(void) { } CPU_FTR_MMCRA | CPU_FTR_SMT | \ CPU_FTR_COHERENT_ICACHE | \ CPU_FTR_PURR | CPU_FTR_SPURR | CPU_FTR_REAL_LE | \ - CPU_FTR_DSCR | CPU_FTR_ASYM_SMT | \ + CPU_FTR_DSCR | CPU_FTR_SAO | CPU_FTR_ASYM_SMT | \ CPU_FTR_STCX_CHECKS_ADDRESS | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \ CPU_FTR_CFAR | CPU_FTR_HVMODE | \ CPU_FTR_VMX_COPY | CPU_FTR_HAS_PPR | CPU_FTR_DABRX ) @@ -450,7 +450,7 @@ static inline void cpu_feature_keys_init(void) { } CPU_FTR_MMCRA | CPU_FTR_SMT | \ CPU_FTR_COHERENT_ICACHE | \ CPU_FTR_PURR | CPU_FTR_SPURR | CPU_FTR_REAL_LE | \ - CPU_FTR_DSCR | \ + CPU_FTR_DSCR | CPU_FTR_SAO | \ CPU_FTR_STCX_CHECKS_ADDRESS | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \ CPU_FTR_CFAR | CPU_FTR_HVMODE | CPU_FTR_VMX_COPY | \ CPU_FTR_DBELL | CPU_FTR_HAS_PPR | CPU_FTR_DAWR | \ @@ -461,7 +461,7 @@ static inline void cpu_feature_keys_init(void) { } CPU_FTR_MMCRA | CPU_FTR_SMT | \ CPU_FTR_COHERENT_ICACHE | \ CPU_FTR_PURR | CPU_FTR_SPURR | CPU_FTR_REAL_LE | \ - CPU_FTR_DSCR | \ + CPU_FTR_DSCR | CPU_FTR_SAO | \ CPU_FTR_STCX_CHECKS_ADDRESS | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \ CPU_FTR_CFAR | CPU_FTR_HVMODE | CPU_FTR_VMX_COPY | \ CPU_FTR_DBELL | CPU_FTR_HAS_PPR | CPU_FTR_ARCH_207S | \ @@ -479,7 +479,7 @@ static inline void cpu_feature_keys_init(void) { } CPU_FTR_MMCRA | CPU_FTR_SMT | \ CPU_FTR_COHERENT_ICACHE | \ CPU_FTR_PURR | CPU_FTR_SPURR | CPU_FTR_REAL_LE | \ - CPU_FTR_DSCR | \ + CPU_FTR_DSCR | CPU_FTR_SAO | \ CPU_FTR_STCX_CHECKS_ADDRESS | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \ CPU_FTR_CFAR | CPU_FTR_HVMODE | CPU_FTR_VMX_COPY | \ CPU_FTR_DBELL | CPU_FTR_HAS_PPR | CPU_FTR_ARCH_207S | \ diff --git a/arch/powerpc/include/asm/mman.h b/arch/powerpc/include/asm/mman.h index 7c07728af300b8..7cb6d18f5cd6d5 100644 --- a/arch/powerpc/include/asm/mman.h +++ b/arch/powerpc/include/asm/mman.h @@ -13,20 +13,43 @@ #include <linux/pkeys.h> #include <asm/cpu_has_feature.h> -#ifdef CONFIG_PPC_MEM_KEYS static inline unsigned long arch_calc_vm_prot_bits(unsigned long prot, unsigned long pkey) { - return pkey_to_vmflag_bits(pkey); +#ifdef CONFIG_PPC_MEM_KEYS + return (((prot & PROT_SAO) ? VM_SAO : 0) | pkey_to_vmflag_bits(pkey)); +#else + return ((prot & PROT_SAO) ? VM_SAO : 0); +#endif } #define arch_calc_vm_prot_bits(prot, pkey) arch_calc_vm_prot_bits(prot, pkey) static inline pgprot_t arch_vm_get_page_prot(unsigned long vm_flags) { - return __pgprot(vmflag_to_pte_pkey_bits(vm_flags)); +#ifdef CONFIG_PPC_MEM_KEYS + return (vm_flags & VM_SAO) ? + __pgprot(_PAGE_SAO | vmflag_to_pte_pkey_bits(vm_flags)) : + __pgprot(0 | vmflag_to_pte_pkey_bits(vm_flags)); +#else + return (vm_flags & VM_SAO) ? __pgprot(_PAGE_SAO) : __pgprot(0); +#endif } #define arch_vm_get_page_prot(vm_flags) arch_vm_get_page_prot(vm_flags) -#endif + +static inline bool arch_validate_prot(unsigned long prot, unsigned long addr) +{ + if (prot & ~(PROT_READ | PROT_WRITE | PROT_EXEC | PROT_SEM | PROT_SAO)) + return false; + if (prot & PROT_SAO) { + if (!cpu_has_feature(CPU_FTR_SAO)) + return false; + if (firmware_has_feature(FW_FEATURE_LPAR) && + !IS_ENABLED(CONFIG_PPC_PROT_SAO_LPAR)) + return false; + } + return true; +} +#define arch_validate_prot arch_validate_prot #endif /* CONFIG_PPC64 */ #endif /* _ASM_POWERPC_MMAN_H */ diff --git a/arch/powerpc/include/asm/nohash/64/pgtable.h b/arch/powerpc/include/asm/nohash/64/pgtable.h index 59ee9fa4ae09d2..6cb8aa35719176 100644 --- a/arch/powerpc/include/asm/nohash/64/pgtable.h +++ b/arch/powerpc/include/asm/nohash/64/pgtable.h @@ -82,6 +82,8 @@ */ #include <asm/nohash/pte-book3e.h> +#define _PAGE_SAO 0 + #define PTE_RPN_MASK (~((1UL << PTE_RPN_SHIFT) - 1)) /* diff --git a/arch/powerpc/include/uapi/asm/mman.h b/arch/powerpc/include/uapi/asm/mman.h index 3a700351fecafb..c0c737215b00bd 100644 --- a/arch/powerpc/include/uapi/asm/mman.h +++ b/arch/powerpc/include/uapi/asm/mman.h @@ -11,7 +11,7 @@ #include <asm-generic/mman-common.h> -#define PROT_SAO 0x10 /* Unsupported since v5.9 */ +#define PROT_SAO 0x10 /* Strong Access Ordering */ #define MAP_RENAME MAP_ANONYMOUS /* In SunOS terminology */ #define MAP_NORESERVE 0x40 /* don't reserve swap pages */ diff --git a/arch/powerpc/kernel/dma-iommu.c b/arch/powerpc/kernel/dma-iommu.c index 569fecd7b5b234..9053fc9d20c723 100644 --- a/arch/powerpc/kernel/dma-iommu.c +++ b/arch/powerpc/kernel/dma-iommu.c @@ -120,7 +120,8 @@ u64 dma_iommu_get_required_mask(struct device *dev) if (!tbl) return 0; - mask = 1ULL < (fls_long(tbl->it_offset + tbl->it_size) - 1); + mask = 1ULL << (fls_long(tbl->it_offset + tbl->it_size) + + tbl->it_page_shift - 1); mask += mask - 1; return mask; diff --git a/arch/powerpc/kernel/dt_cpu_ftrs.c b/arch/powerpc/kernel/dt_cpu_ftrs.c index 8dc46f38680b25..f204ad79b6b54c 100644 --- a/arch/powerpc/kernel/dt_cpu_ftrs.c +++ b/arch/powerpc/kernel/dt_cpu_ftrs.c @@ -653,7 +653,7 @@ static struct dt_cpu_feature_match __initdata {"processor-control-facility-v3", feat_enable_dbell, CPU_FTR_DBELL}, {"processor-utilization-of-resources-register", feat_enable_purr, 0}, {"no-execute", feat_enable, 0}, - /* strong-access-ordering is unused */ + {"strong-access-ordering", feat_enable, CPU_FTR_SAO}, {"cache-inhibited-large-page", feat_enable_large_ci, 0}, {"coprocessor-icswx", feat_enable, 0}, {"hypervisor-virtualization-interrupt", feat_enable_hvi, 0}, diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S index 33a42e42c56f67..733e40eba4ebe3 100644 --- a/arch/powerpc/kernel/entry_64.S +++ b/arch/powerpc/kernel/entry_64.S @@ -113,6 +113,10 @@ END_FTR_SECTION_IFSET(CPU_FTR_TM) ld r11,exception_marker@toc(r2) std r11,-16(r10) /* "regshere" marker */ +BEGIN_FTR_SECTION + HMT_MEDIUM +END_FTR_SECTION_IFSET(CPU_FTR_HAS_PPR) + /* * RECONCILE_IRQ_STATE without calling trace_hardirqs_off(), which * would clobber syscall parameters. Also we always enter with IRQs diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index 016bd831908ec1..73a57043ee6621 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -548,7 +548,7 @@ void notrace restore_math(struct pt_regs *regs) * are live for the user thread). */ if ((!(msr & MSR_FP)) && should_restore_fp()) - new_msr |= MSR_FP | current->thread.fpexc_mode; + new_msr |= MSR_FP; if ((!(msr & MSR_VEC)) && should_restore_altivec()) new_msr |= MSR_VEC; @@ -559,11 +559,17 @@ void notrace restore_math(struct pt_regs *regs) } if (new_msr) { + unsigned long fpexc_mode = 0; + msr_check_and_set(new_msr); - if (new_msr & MSR_FP) + if (new_msr & MSR_FP) { do_restore_fp(); + // This also covers VSX, because VSX implies FP + fpexc_mode = current->thread.fpexc_mode; + } + if (new_msr & MSR_VEC) do_restore_altivec(); @@ -572,7 +578,7 @@ void notrace restore_math(struct pt_regs *regs) msr_check_and_clear(new_msr); - regs->msr |= new_msr; + regs->msr |= new_msr | fpexc_mode; } } #endif diff --git a/arch/powerpc/kernel/vdso32/Makefile b/arch/powerpc/kernel/vdso32/Makefile index 87ab1152d5ce54..e147bbdc12cdfa 100644 --- a/arch/powerpc/kernel/vdso32/Makefile +++ b/arch/powerpc/kernel/vdso32/Makefile @@ -50,7 +50,7 @@ $(obj-vdso32): %.o: %.S FORCE # actual build commands quiet_cmd_vdso32ld = VDSO32L $@ - cmd_vdso32ld = $(VDSOCC) $(c_flags) $(CC32FLAGS) -o $@ $(call cc-ldoption, -Wl$(comma)--orphan-handling=warn) -Wl,-T$(filter %.lds,$^) $(filter %.o,$^) + cmd_vdso32ld = $(VDSOCC) $(c_flags) $(CC32FLAGS) -o $@ -Wl,-T$(filter %.lds,$^) $(filter %.o,$^) quiet_cmd_vdso32as = VDSO32A $@ cmd_vdso32as = $(VDSOCC) $(a_flags) $(CC32FLAGS) -c -o $@ $< diff --git a/arch/powerpc/kernel/vdso32/vdso32.lds.S b/arch/powerpc/kernel/vdso32/vdso32.lds.S index 4c985467a66803..5206c2eb2a1de8 100644 --- a/arch/powerpc/kernel/vdso32/vdso32.lds.S +++ b/arch/powerpc/kernel/vdso32/vdso32.lds.S @@ -111,7 +111,6 @@ SECTIONS *(.note.GNU-stack) *(.data .data.* .gnu.linkonce.d.* .sdata*) *(.bss .sbss .dynbss .dynsbss) - *(.glink .iplt .plt .rela*) } } diff --git a/arch/powerpc/kernel/vdso64/Makefile b/arch/powerpc/kernel/vdso64/Makefile index 38c317f2514178..32ebb3522ea19c 100644 --- a/arch/powerpc/kernel/vdso64/Makefile +++ b/arch/powerpc/kernel/vdso64/Makefile @@ -34,7 +34,7 @@ $(obj)/%.so: $(obj)/%.so.dbg FORCE # actual build commands quiet_cmd_vdso64ld = VDSO64L $@ - cmd_vdso64ld = $(CC) $(c_flags) -o $@ -Wl,-T$(filter %.lds,$^) $(filter %.o,$^) $(call cc-ldoption, -Wl$(comma)--orphan-handling=warn) + cmd_vdso64ld = $(CC) $(c_flags) -o $@ -Wl,-T$(filter %.lds,$^) $(filter %.o,$^) # install commands for the unstripped file quiet_cmd_vdso_install = INSTALL $@ diff --git a/arch/powerpc/kernel/vdso64/vdso64.lds.S b/arch/powerpc/kernel/vdso64/vdso64.lds.S index 4e3a8d4ee6140c..256fb972029871 100644 --- a/arch/powerpc/kernel/vdso64/vdso64.lds.S +++ b/arch/powerpc/kernel/vdso64/vdso64.lds.S @@ -30,7 +30,7 @@ SECTIONS . = ALIGN(16); .text : { *(.text .stub .text.* .gnu.linkonce.t.* __ftr_alt_*) - *(.sfpr) + *(.sfpr .glink) } :text PROVIDE(__etext = .); PROVIDE(_etext = .); @@ -111,7 +111,6 @@ SECTIONS *(.branch_lt) *(.data .data.* .gnu.linkonce.d.* .sdata*) *(.bss .sbss .dynbss .dynsbss) - *(.glink .iplt .plt .rela*) } } diff --git a/arch/powerpc/mm/book3s64/hash_utils.c b/arch/powerpc/mm/book3s64/hash_utils.c index 890a71c5293eef..c663e7ba801fce 100644 --- a/arch/powerpc/mm/book3s64/hash_utils.c +++ b/arch/powerpc/mm/book3s64/hash_utils.c @@ -232,6 +232,8 @@ unsigned long htab_convert_pte_flags(unsigned long pteflags) rflags |= HPTE_R_I; else if ((pteflags & _PAGE_CACHE_CTL) == _PAGE_NON_IDEMPOTENT) rflags |= (HPTE_R_I | HPTE_R_G); + else if ((pteflags & _PAGE_CACHE_CTL) == _PAGE_SAO) + rflags |= (HPTE_R_W | HPTE_R_I | HPTE_R_M); else /* * Add memory coherence if cache inhibited is not set diff --git a/arch/powerpc/mm/book3s64/radix_pgtable.c b/arch/powerpc/mm/book3s64/radix_pgtable.c index 28c784976beda5..d5f0c10d752a37 100644 --- a/arch/powerpc/mm/book3s64/radix_pgtable.c +++ b/arch/powerpc/mm/book3s64/radix_pgtable.c @@ -734,21 +734,6 @@ void radix__mmu_cleanup_all(void) } } -void radix__setup_initial_memory_limit(phys_addr_t first_memblock_base, - phys_addr_t first_memblock_size) -{ - /* - * We don't currently support the first MEMBLOCK not mapping 0 - * physical on those processors - */ - BUG_ON(first_memblock_base != 0); - - /* - * Radix mode is not limited by RMA / VRMA addressing. - */ - ppc64_rma_size = ULONG_MAX; -} - #ifdef CONFIG_MEMORY_HOTPLUG static void free_pte_table(pte_t *pte_start, pmd_t *pmd) { diff --git a/arch/powerpc/mm/init_64.c b/arch/powerpc/mm/init_64.c index 02e127fa5777c0..8459056cce671e 100644 --- a/arch/powerpc/mm/init_64.c +++ b/arch/powerpc/mm/init_64.c @@ -433,9 +433,16 @@ void __init mmu_early_init_devtree(void) if (!(mfmsr() & MSR_HV)) early_check_vec5(); - if (early_radix_enabled()) + if (early_radix_enabled()) { radix__early_init_devtree(); - else + /* + * We have finalized the translation we are going to use by now. + * Radix mode is not limited by RMA / VRMA addressing. + * Hence don't limit memblock allocations. + */ + ppc64_rma_size = ULONG_MAX; + memblock_set_current_limit(MEMBLOCK_ALLOC_ANYWHERE); + } else hash__early_init_devtree(); } #endif /* CONFIG_PPC_BOOK3S_64 */ diff --git a/arch/powerpc/net/bpf_jit_comp.c b/arch/powerpc/net/bpf_jit_comp.c index 16d09b36fe0638..e809cb5a16316b 100644 --- a/arch/powerpc/net/bpf_jit_comp.c +++ b/arch/powerpc/net/bpf_jit_comp.c @@ -475,7 +475,6 @@ static int bpf_jit_build_body(struct bpf_prog *fp, u32 *image, case BPF_JMP | BPF_JSET | BPF_K: case BPF_JMP | BPF_JSET | BPF_X: true_cond = COND_NE; - /* Fall through */ cond_branch: /* same targets, can avoid doing the test :) */ if (filter[i].jt == filter[i].jf) { diff --git a/arch/powerpc/perf/core-book3s.c b/arch/powerpc/perf/core-book3s.c index 93d20e1ed84514..08643cba149482 100644 --- a/arch/powerpc/perf/core-book3s.c +++ b/arch/powerpc/perf/core-book3s.c @@ -1557,9 +1557,16 @@ nocheck: ret = 0; out: if (has_branch_stack(event)) { - power_pmu_bhrb_enable(event); - cpuhw->bhrb_filter = ppmu->bhrb_filter_map( - event->attr.branch_sample_type); + u64 bhrb_filter = -1; + + if (ppmu->bhrb_filter_map) + bhrb_filter = ppmu->bhrb_filter_map( + event->attr.branch_sample_type); + + if (bhrb_filter != -1) { + cpuhw->bhrb_filter = bhrb_filter; + power_pmu_bhrb_enable(event); + } } perf_pmu_enable(event->pmu); @@ -1881,7 +1888,6 @@ static int power_pmu_event_init(struct perf_event *event) int n; int err; struct cpu_hw_events *cpuhw; - u64 bhrb_filter; if (!ppmu) return -ENOENT; @@ -1987,7 +1993,10 @@ static int power_pmu_event_init(struct perf_event *event) err = power_check_constraints(cpuhw, events, cflags, n + 1); if (has_branch_stack(event)) { - bhrb_filter = ppmu->bhrb_filter_map( + u64 bhrb_filter = -1; + + if (ppmu->bhrb_filter_map) + bhrb_filter = ppmu->bhrb_filter_map( event->attr.branch_sample_type); if (bhrb_filter == -1) { diff --git a/arch/powerpc/perf/imc-pmu.c b/arch/powerpc/perf/imc-pmu.c index a45d694a5d5d88..62d0b54086f884 100644 --- a/arch/powerpc/perf/imc-pmu.c +++ b/arch/powerpc/perf/imc-pmu.c @@ -1289,7 +1289,7 @@ static int trace_imc_prepare_sample(struct trace_imc_data *mem, header->misc = 0; if (cpu_has_feature(CPU_FTR_ARCH_31)) { - switch (IMC_TRACE_RECORD_VAL_HVPR(mem->val)) { + switch (IMC_TRACE_RECORD_VAL_HVPR(be64_to_cpu(READ_ONCE(mem->val)))) { case 0:/* when MSR HV and PR not set in the trace-record */ header->misc |= PERF_RECORD_MISC_GUEST_KERNEL; break; @@ -1297,7 +1297,7 @@ static int trace_imc_prepare_sample(struct trace_imc_data *mem, header->misc |= PERF_RECORD_MISC_GUEST_USER; break; case 2: /* MSR HV is 1 and PR is 0 */ - header->misc |= PERF_RECORD_MISC_HYPERVISOR; + header->misc |= PERF_RECORD_MISC_KERNEL; break; case 3: /* MSR HV is 1 and PR is 1 */ header->misc |= PERF_RECORD_MISC_USER; diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype index 87737ec86d39aa..1dc9d3c818726b 100644 --- a/arch/powerpc/platforms/Kconfig.cputype +++ b/arch/powerpc/platforms/Kconfig.cputype @@ -36,7 +36,7 @@ config PPC_BOOK3S_6xx select PPC_HAVE_PMU_SUPPORT select PPC_HAVE_KUEP select PPC_HAVE_KUAP - select HAVE_ARCH_VMAP_STACK + select HAVE_ARCH_VMAP_STACK if !ADB_PMU config PPC_BOOK3S_601 bool "PowerPC 601" diff --git a/arch/powerpc/platforms/powernv/idle.c b/arch/powerpc/platforms/powernv/idle.c index 77513a80cef902..345ab062b21af7 100644 --- a/arch/powerpc/platforms/powernv/idle.c +++ b/arch/powerpc/platforms/powernv/idle.c @@ -1223,7 +1223,7 @@ static void __init pnv_probe_idle_states(void) return; } - if (pvr_version_is(PVR_POWER9)) + if (cpu_has_feature(CPU_FTR_ARCH_300)) pnv_power9_idle_init(); for (i = 0; i < nr_pnv_idle_states; i++) diff --git a/arch/powerpc/platforms/pseries/papr_scm.c b/arch/powerpc/platforms/pseries/papr_scm.c index f439f0dfea7d12..a88a707a608aac 100644 --- a/arch/powerpc/platforms/pseries/papr_scm.c +++ b/arch/powerpc/platforms/pseries/papr_scm.c @@ -822,7 +822,7 @@ free_stats: kfree(stats); return rc ? rc : seq_buf_used(&s); } -DEVICE_ATTR_RO(perf_stats); +DEVICE_ATTR_ADMIN_RO(perf_stats); static ssize_t flags_show(struct device *dev, struct device_attribute *attr, char *buf) diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig index df18372861d8d2..7766e1289468bf 100644 --- a/arch/riscv/Kconfig +++ b/arch/riscv/Kconfig @@ -32,6 +32,7 @@ config RISCV select ARCH_WANT_FRAME_POINTERS select ARCH_WANT_HUGE_PMD_SHARE if 64BIT select CLONE_BACKWARDS + select CLINT_TIMER if !MMU select COMMON_CLK select EDAC_SUPPORT select GENERIC_ARCH_TOPOLOGY if SMP diff --git a/arch/riscv/boot/dts/kendryte/k210.dtsi b/arch/riscv/boot/dts/kendryte/k210.dtsi index c1df56ccb8d55f..d2d0ff6456325b 100644 --- a/arch/riscv/boot/dts/kendryte/k210.dtsi +++ b/arch/riscv/boot/dts/kendryte/k210.dtsi @@ -95,10 +95,12 @@ #clock-cells = <1>; }; - clint0: interrupt-controller@2000000 { + clint0: clint@2000000 { + #interrupt-cells = <1>; compatible = "riscv,clint0"; reg = <0x2000000 0xC000>; - interrupts-extended = <&cpu0_intc 3>, <&cpu1_intc 3>; + interrupts-extended = <&cpu0_intc 3 &cpu0_intc 7 + &cpu1_intc 3 &cpu1_intc 7>; clocks = <&sysctl K210_CLK_ACLK>; }; diff --git a/arch/riscv/include/asm/clint.h b/arch/riscv/include/asm/clint.h new file mode 100644 index 00000000000000..0789fd37b40ae0 --- /dev/null +++ b/arch/riscv/include/asm/clint.h @@ -0,0 +1,26 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (C) 2020 Google, Inc + */ + +#ifndef _ASM_RISCV_CLINT_H +#define _ASM_RISCV_CLINT_H + +#include <linux/types.h> +#include <asm/mmio.h> + +#ifdef CONFIG_RISCV_M_MODE +/* + * This lives in the CLINT driver, but is accessed directly by timex.h to avoid + * any overhead when accessing the MMIO timer. + * + * The ISA defines mtime as a 64-bit memory-mapped register that increments at + * a constant frequency, but it doesn't define some other constraints we depend + * on (most notably ordering constraints, but also some simpler stuff like the + * memory layout). Thus, this is called "clint_time_val" instead of something + * like "riscv_mtime", to signify that these non-ISA assumptions must hold. + */ +extern u64 __iomem *clint_time_val; +#endif + +#endif diff --git a/arch/riscv/include/asm/ftrace.h b/arch/riscv/include/asm/ftrace.h index ace8a6e2d11d37..845002cc2e5717 100644 --- a/arch/riscv/include/asm/ftrace.h +++ b/arch/riscv/include/asm/ftrace.h @@ -66,6 +66,13 @@ do { \ * Let auipc+jalr be the basic *mcount unit*, so we make it 8 bytes here. */ #define MCOUNT_INSN_SIZE 8 + +#ifndef __ASSEMBLY__ +struct dyn_ftrace; +int ftrace_init_nop(struct module *mod, struct dyn_ftrace *rec); +#define ftrace_init_nop ftrace_init_nop +#endif + #endif #endif /* _ASM_RISCV_FTRACE_H */ diff --git a/arch/riscv/include/asm/stackprotector.h b/arch/riscv/include/asm/stackprotector.h index d95f7b2a7f375a..5962f8891f06f9 100644 --- a/arch/riscv/include/asm/stackprotector.h +++ b/arch/riscv/include/asm/stackprotector.h @@ -5,7 +5,6 @@ #include <linux/random.h> #include <linux/version.h> -#include <asm/timex.h> extern unsigned long __stack_chk_guard; @@ -18,12 +17,9 @@ extern unsigned long __stack_chk_guard; static __always_inline void boot_init_stack_canary(void) { unsigned long canary; - unsigned long tsc; /* Try to get a semi random initial value. */ get_random_bytes(&canary, sizeof(canary)); - tsc = get_cycles(); - canary += tsc + (tsc << BITS_PER_LONG/2); canary ^= LINUX_VERSION_CODE; canary &= CANARY_MASK; diff --git a/arch/riscv/include/asm/timex.h b/arch/riscv/include/asm/timex.h index a3fb85d505d44f..ab104905d4dbb3 100644 --- a/arch/riscv/include/asm/timex.h +++ b/arch/riscv/include/asm/timex.h @@ -10,6 +10,44 @@ typedef unsigned long cycles_t; +#ifdef CONFIG_RISCV_M_MODE + +#include <asm/clint.h> + +#ifdef CONFIG_64BIT +static inline cycles_t get_cycles(void) +{ + return readq_relaxed(clint_time_val); +} +#else /* !CONFIG_64BIT */ +static inline u32 get_cycles(void) +{ + return readl_relaxed(((u32 *)clint_time_val)); +} +#define get_cycles get_cycles + +static inline u32 get_cycles_hi(void) +{ + return readl_relaxed(((u32 *)clint_time_val) + 1); +} +#define get_cycles_hi get_cycles_hi +#endif /* CONFIG_64BIT */ + +/* + * Much like MIPS, we may not have a viable counter to use at an early point + * in the boot process. Unfortunately we don't have a fallback, so instead + * we just return 0. + */ +static inline unsigned long random_get_entropy(void) +{ + if (unlikely(clint_time_val == NULL)) + return 0; + return get_cycles(); +} +#define random_get_entropy() random_get_entropy() + +#else /* CONFIG_RISCV_M_MODE */ + static inline cycles_t get_cycles(void) { return csr_read(CSR_TIME); @@ -41,6 +79,8 @@ static inline u64 get_cycles64(void) } #endif /* CONFIG_64BIT */ +#endif /* !CONFIG_RISCV_M_MODE */ + #define ARCH_HAS_READ_CURRENT_TIMER static inline int read_current_timer(unsigned long *timer_val) { diff --git a/arch/riscv/kernel/ftrace.c b/arch/riscv/kernel/ftrace.c index 2ff63d0cbb5008..99e12faa54986a 100644 --- a/arch/riscv/kernel/ftrace.c +++ b/arch/riscv/kernel/ftrace.c @@ -97,6 +97,25 @@ int ftrace_make_nop(struct module *mod, struct dyn_ftrace *rec, return __ftrace_modify_call(rec->ip, addr, false); } + +/* + * This is called early on, and isn't wrapped by + * ftrace_arch_code_modify_{prepare,post_process}() and therefor doesn't hold + * text_mutex, which triggers a lockdep failure. SMP isn't running so we could + * just directly poke the text, but it's simpler to just take the lock + * ourselves. + */ +int ftrace_init_nop(struct module *mod, struct dyn_ftrace *rec) +{ + int out; + + ftrace_arch_code_modify_prepare(); + out = ftrace_make_nop(mod, rec, MCOUNT_ADDR); + ftrace_arch_code_modify_post_process(); + + return out; +} + int ftrace_update_ftrace_func(ftrace_func_t func) { int ret = __ftrace_modify_call((unsigned long)&ftrace_call, diff --git a/arch/riscv/kernel/signal.c b/arch/riscv/kernel/signal.c index 17ba190e84a53d..e996e08f1061e5 100644 --- a/arch/riscv/kernel/signal.c +++ b/arch/riscv/kernel/signal.c @@ -250,7 +250,7 @@ static void handle_signal(struct ksignal *ksig, struct pt_regs *regs) regs->a0 = -EINTR; break; } - /* fallthrough */ + fallthrough; case -ERESTARTNOINTR: regs->a0 = regs->orig_a0; regs->epc -= 0x4; diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c index 787c75f751a55e..ca03762a373382 100644 --- a/arch/riscv/mm/init.c +++ b/arch/riscv/mm/init.c @@ -226,12 +226,11 @@ void __set_fixmap(enum fixed_addresses idx, phys_addr_t phys, pgprot_t prot) ptep = &fixmap_pte[pte_index(addr)]; - if (pgprot_val(prot)) { + if (pgprot_val(prot)) set_pte(ptep, pfn_pte(phys >> PAGE_SHIFT, prot)); - } else { + else pte_clear(&init_mm, addr, ptep); - local_flush_tlb_page(addr); - } + local_flush_tlb_page(addr); } static pte_t *__init get_pte_virt(phys_addr_t pa) diff --git a/arch/riscv/net/bpf_jit_comp32.c b/arch/riscv/net/bpf_jit_comp32.c index bc5f2204693fcc..579575f9cdae08 100644 --- a/arch/riscv/net/bpf_jit_comp32.c +++ b/arch/riscv/net/bpf_jit_comp32.c @@ -1020,7 +1020,7 @@ int bpf_jit_emit_insn(const struct bpf_insn *insn, struct rv_jit_context *ctx, emit_zext64(dst, ctx); break; } - /* Fallthrough. */ + fallthrough; case BPF_ALU | BPF_ADD | BPF_X: case BPF_ALU | BPF_SUB | BPF_X: @@ -1079,7 +1079,7 @@ int bpf_jit_emit_insn(const struct bpf_insn *insn, struct rv_jit_context *ctx, case 16: emit(rv_slli(lo(rd), lo(rd), 16), ctx); emit(rv_srli(lo(rd), lo(rd), 16), ctx); - /* Fallthrough. */ + fallthrough; case 32: if (!ctx->prog->aux->verifier_zext) emit(rv_addi(hi(rd), RV_REG_ZERO, 0), ctx); diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index 3d86e12e8e3c21..b29fcc66ec39b0 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -30,7 +30,7 @@ config GENERIC_BUG_RELATIVE_POINTERS def_bool y config GENERIC_LOCKBREAK - def_bool y if PREEMPTTION + def_bool y if PREEMPTION config PGSTE def_bool y if KVM diff --git a/arch/s390/configs/debug_defconfig b/arch/s390/configs/debug_defconfig index 0cf9a82326a85b..7228aabe9da615 100644 --- a/arch/s390/configs/debug_defconfig +++ b/arch/s390/configs/debug_defconfig @@ -626,6 +626,7 @@ CONFIG_NTFS_RW=y CONFIG_PROC_KCORE=y CONFIG_TMPFS=y CONFIG_TMPFS_POSIX_ACL=y +CONFIG_TMPFS_INODE64=y CONFIG_HUGETLBFS=y CONFIG_CONFIGFS_FS=m CONFIG_ECRYPT_FS=m @@ -807,6 +808,7 @@ CONFIG_DEBUG_NOTIFIERS=y CONFIG_BUG_ON_DATA_CORRUPTION=y CONFIG_DEBUG_CREDENTIALS=y CONFIG_RCU_TORTURE_TEST=m +CONFIG_RCU_REF_SCALE_TEST=m CONFIG_RCU_CPU_STALL_TIMEOUT=300 # CONFIG_RCU_TRACE is not set CONFIG_LATENCYTOP=y @@ -818,6 +820,7 @@ CONFIG_PREEMPT_TRACER=y CONFIG_SCHED_TRACER=y CONFIG_FTRACE_SYSCALLS=y CONFIG_BLK_DEV_IO_TRACE=y +CONFIG_BPF_KPROBE_OVERRIDE=y CONFIG_HIST_TRIGGERS=y CONFIG_S390_PTDUMP=y CONFIG_NOTIFIER_ERROR_INJECTION=m @@ -829,6 +832,7 @@ CONFIG_FAIL_MAKE_REQUEST=y CONFIG_FAIL_IO_TIMEOUT=y CONFIG_FAIL_FUTEX=y CONFIG_FAULT_INJECTION_DEBUG_FS=y +CONFIG_FAIL_FUNCTION=y CONFIG_FAULT_INJECTION_STACKTRACE_FILTER=y CONFIG_LKDTM=m CONFIG_TEST_LIST_SORT=y diff --git a/arch/s390/configs/defconfig b/arch/s390/configs/defconfig index 5df9759e8ff670..fab03b7a69324b 100644 --- a/arch/s390/configs/defconfig +++ b/arch/s390/configs/defconfig @@ -617,6 +617,7 @@ CONFIG_NTFS_RW=y CONFIG_PROC_KCORE=y CONFIG_TMPFS=y CONFIG_TMPFS_POSIX_ACL=y +CONFIG_TMPFS_INODE64=y CONFIG_HUGETLBFS=y CONFIG_CONFIGFS_FS=m CONFIG_ECRYPT_FS=m @@ -763,6 +764,7 @@ CONFIG_PANIC_ON_OOPS=y CONFIG_TEST_LOCKUP=m CONFIG_BUG_ON_DATA_CORRUPTION=y CONFIG_RCU_TORTURE_TEST=m +CONFIG_RCU_REF_SCALE_TEST=m CONFIG_RCU_CPU_STALL_TIMEOUT=60 CONFIG_LATENCYTOP=y CONFIG_BOOTTIME_TRACING=y @@ -771,6 +773,7 @@ CONFIG_STACK_TRACER=y CONFIG_SCHED_TRACER=y CONFIG_FTRACE_SYSCALLS=y CONFIG_BLK_DEV_IO_TRACE=y +CONFIG_BPF_KPROBE_OVERRIDE=y CONFIG_HIST_TRIGGERS=y CONFIG_S390_PTDUMP=y CONFIG_LKDTM=m diff --git a/arch/s390/configs/zfcpdump_defconfig b/arch/s390/configs/zfcpdump_defconfig index 4091c50449cd06..8f67c55625f9eb 100644 --- a/arch/s390/configs/zfcpdump_defconfig +++ b/arch/s390/configs/zfcpdump_defconfig @@ -74,5 +74,6 @@ CONFIG_DEBUG_KERNEL=y CONFIG_PANIC_ON_OOPS=y # CONFIG_SCHED_DEBUG is not set CONFIG_RCU_CPU_STALL_TIMEOUT=60 +# CONFIG_RCU_TRACE is not set # CONFIG_FTRACE is not set # CONFIG_RUNTIME_TESTING_MENU is not set diff --git a/arch/s390/include/asm/percpu.h b/arch/s390/include/asm/percpu.h index 50b4ce8cddfdc4..918f0ba4f4d20f 100644 --- a/arch/s390/include/asm/percpu.h +++ b/arch/s390/include/asm/percpu.h @@ -29,7 +29,7 @@ typedef typeof(pcp) pcp_op_T__; \ pcp_op_T__ old__, new__, prev__; \ pcp_op_T__ *ptr__; \ - preempt_disable(); \ + preempt_disable_notrace(); \ ptr__ = raw_cpu_ptr(&(pcp)); \ prev__ = *ptr__; \ do { \ @@ -37,7 +37,7 @@ new__ = old__ op (val); \ prev__ = cmpxchg(ptr__, old__, new__); \ } while (prev__ != old__); \ - preempt_enable(); \ + preempt_enable_notrace(); \ new__; \ }) @@ -68,7 +68,7 @@ typedef typeof(pcp) pcp_op_T__; \ pcp_op_T__ val__ = (val); \ pcp_op_T__ old__, *ptr__; \ - preempt_disable(); \ + preempt_disable_notrace(); \ ptr__ = raw_cpu_ptr(&(pcp)); \ if (__builtin_constant_p(val__) && \ ((szcast)val__ > -129) && ((szcast)val__ < 128)) { \ @@ -84,7 +84,7 @@ : [val__] "d" (val__) \ : "cc"); \ } \ - preempt_enable(); \ + preempt_enable_notrace(); \ } #define this_cpu_add_4(pcp, val) arch_this_cpu_add(pcp, val, "laa", "asi", int) @@ -95,14 +95,14 @@ typedef typeof(pcp) pcp_op_T__; \ pcp_op_T__ val__ = (val); \ pcp_op_T__ old__, *ptr__; \ - preempt_disable(); \ + preempt_disable_notrace(); \ ptr__ = raw_cpu_ptr(&(pcp)); \ asm volatile( \ op " %[old__],%[val__],%[ptr__]\n" \ : [old__] "=d" (old__), [ptr__] "+Q" (*ptr__) \ : [val__] "d" (val__) \ : "cc"); \ - preempt_enable(); \ + preempt_enable_notrace(); \ old__ + val__; \ }) @@ -114,14 +114,14 @@ typedef typeof(pcp) pcp_op_T__; \ pcp_op_T__ val__ = (val); \ pcp_op_T__ old__, *ptr__; \ - preempt_disable(); \ + preempt_disable_notrace(); \ ptr__ = raw_cpu_ptr(&(pcp)); \ asm volatile( \ op " %[old__],%[val__],%[ptr__]\n" \ : [old__] "=d" (old__), [ptr__] "+Q" (*ptr__) \ : [val__] "d" (val__) \ : "cc"); \ - preempt_enable(); \ + preempt_enable_notrace(); \ } #define this_cpu_and_4(pcp, val) arch_this_cpu_to_op(pcp, val, "lan") @@ -136,10 +136,10 @@ typedef typeof(pcp) pcp_op_T__; \ pcp_op_T__ ret__; \ pcp_op_T__ *ptr__; \ - preempt_disable(); \ + preempt_disable_notrace(); \ ptr__ = raw_cpu_ptr(&(pcp)); \ ret__ = cmpxchg(ptr__, oval, nval); \ - preempt_enable(); \ + preempt_enable_notrace(); \ ret__; \ }) @@ -152,10 +152,10 @@ ({ \ typeof(pcp) *ptr__; \ typeof(pcp) ret__; \ - preempt_disable(); \ + preempt_disable_notrace(); \ ptr__ = raw_cpu_ptr(&(pcp)); \ ret__ = xchg(ptr__, nval); \ - preempt_enable(); \ + preempt_enable_notrace(); \ ret__; \ }) @@ -171,11 +171,11 @@ typeof(pcp1) *p1__; \ typeof(pcp2) *p2__; \ int ret__; \ - preempt_disable(); \ + preempt_disable_notrace(); \ p1__ = raw_cpu_ptr(&(pcp1)); \ p2__ = raw_cpu_ptr(&(pcp2)); \ ret__ = __cmpxchg_double(p1__, p2__, o1__, o2__, n1__, n2__); \ - preempt_enable(); \ + preempt_enable_notrace(); \ ret__; \ }) diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h index 7eb01a5459cdff..b55561cc878655 100644 --- a/arch/s390/include/asm/pgtable.h +++ b/arch/s390/include/asm/pgtable.h @@ -1260,26 +1260,44 @@ static inline pgd_t *pgd_offset_raw(pgd_t *pgd, unsigned long address) #define pgd_offset(mm, address) pgd_offset_raw(READ_ONCE((mm)->pgd), address) -static inline p4d_t *p4d_offset(pgd_t *pgd, unsigned long address) +static inline p4d_t *p4d_offset_lockless(pgd_t *pgdp, pgd_t pgd, unsigned long address) { - if ((pgd_val(*pgd) & _REGION_ENTRY_TYPE_MASK) >= _REGION_ENTRY_TYPE_R1) - return (p4d_t *) pgd_deref(*pgd) + p4d_index(address); - return (p4d_t *) pgd; + if ((pgd_val(pgd) & _REGION_ENTRY_TYPE_MASK) >= _REGION_ENTRY_TYPE_R1) + return (p4d_t *) pgd_deref(pgd) + p4d_index(address); + return (p4d_t *) pgdp; } +#define p4d_offset_lockless p4d_offset_lockless -static inline pud_t *pud_offset(p4d_t *p4d, unsigned long address) +static inline p4d_t *p4d_offset(pgd_t *pgdp, unsigned long address) { - if ((p4d_val(*p4d) & _REGION_ENTRY_TYPE_MASK) >= _REGION_ENTRY_TYPE_R2) - return (pud_t *) p4d_deref(*p4d) + pud_index(address); - return (pud_t *) p4d; + return p4d_offset_lockless(pgdp, *pgdp, address); +} + +static inline pud_t *pud_offset_lockless(p4d_t *p4dp, p4d_t p4d, unsigned long address) +{ + if ((p4d_val(p4d) & _REGION_ENTRY_TYPE_MASK) >= _REGION_ENTRY_TYPE_R2) + return (pud_t *) p4d_deref(p4d) + pud_index(address); + return (pud_t *) p4dp; +} +#define pud_offset_lockless pud_offset_lockless + +static inline pud_t *pud_offset(p4d_t *p4dp, unsigned long address) +{ + return pud_offset_lockless(p4dp, *p4dp, address); } #define pud_offset pud_offset -static inline pmd_t *pmd_offset(pud_t *pud, unsigned long address) +static inline pmd_t *pmd_offset_lockless(pud_t *pudp, pud_t pud, unsigned long address) +{ + if ((pud_val(pud) & _REGION_ENTRY_TYPE_MASK) >= _REGION_ENTRY_TYPE_R3) + return (pmd_t *) pud_deref(pud) + pmd_index(address); + return (pmd_t *) pudp; +} +#define pmd_offset_lockless pmd_offset_lockless + +static inline pmd_t *pmd_offset(pud_t *pudp, unsigned long address) { - if ((pud_val(*pud) & _REGION_ENTRY_TYPE_MASK) >= _REGION_ENTRY_TYPE_R3) - return (pmd_t *) pud_deref(*pud) + pmd_index(address); - return (pmd_t *) pud; + return pmd_offset_lockless(pudp, *pudp, address); } #define pmd_offset pmd_offset diff --git a/arch/s390/kernel/entry.h b/arch/s390/kernel/entry.h index faca269d5f2786..a44ddc2f2dec51 100644 --- a/arch/s390/kernel/entry.h +++ b/arch/s390/kernel/entry.h @@ -26,6 +26,7 @@ void do_protection_exception(struct pt_regs *regs); void do_dat_exception(struct pt_regs *regs); void do_secure_storage_access(struct pt_regs *regs); void do_non_secure_storage_access(struct pt_regs *regs); +void do_secure_storage_violation(struct pt_regs *regs); void addressing_exception(struct pt_regs *regs); void data_exception(struct pt_regs *regs); diff --git a/arch/s390/kernel/idle.c b/arch/s390/kernel/idle.c index c73f50649e7e41..f7f1e64e0d980f 100644 --- a/arch/s390/kernel/idle.c +++ b/arch/s390/kernel/idle.c @@ -39,14 +39,13 @@ void enabled_wait(void) local_irq_restore(flags); /* Account time spent with enabled wait psw loaded as idle time. */ - /* XXX seqcount has tracepoints that require RCU */ - write_seqcount_begin(&idle->seqcount); + raw_write_seqcount_begin(&idle->seqcount); idle_time = idle->clock_idle_exit - idle->clock_idle_enter; idle->clock_idle_enter = idle->clock_idle_exit = 0ULL; idle->idle_time += idle_time; idle->idle_count++; account_idle_time(cputime_to_nsecs(idle_time)); - write_seqcount_end(&idle->seqcount); + raw_write_seqcount_end(&idle->seqcount); } NOKPROBE_SYMBOL(enabled_wait); diff --git a/arch/s390/kernel/pgm_check.S b/arch/s390/kernel/pgm_check.S index 2c27907a5ffcb8..9a92638360eee6 100644 --- a/arch/s390/kernel/pgm_check.S +++ b/arch/s390/kernel/pgm_check.S @@ -80,7 +80,7 @@ PGM_CHECK(do_dat_exception) /* 3b */ PGM_CHECK_DEFAULT /* 3c */ PGM_CHECK(do_secure_storage_access) /* 3d */ PGM_CHECK(do_non_secure_storage_access) /* 3e */ -PGM_CHECK_DEFAULT /* 3f */ +PGM_CHECK(do_secure_storage_violation) /* 3f */ PGM_CHECK(monitor_event_exception) /* 40 */ PGM_CHECK_DEFAULT /* 41 */ PGM_CHECK_DEFAULT /* 42 */ diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c index e600f6953d7cef..c2c1b4e723eafb 100644 --- a/arch/s390/kernel/setup.c +++ b/arch/s390/kernel/setup.c @@ -619,7 +619,7 @@ static struct notifier_block kdump_mem_nb = { /* * Make sure that the area behind memory_end is protected */ -static void reserve_memory_end(void) +static void __init reserve_memory_end(void) { if (memory_end_set) memblock_reserve(memory_end, ULONG_MAX); @@ -628,7 +628,7 @@ static void reserve_memory_end(void) /* * Make sure that oldmem, where the dump is stored, is protected */ -static void reserve_oldmem(void) +static void __init reserve_oldmem(void) { #ifdef CONFIG_CRASH_DUMP if (OLDMEM_BASE) @@ -640,7 +640,7 @@ static void reserve_oldmem(void) /* * Make sure that oldmem, where the dump is stored, is protected */ -static void remove_oldmem(void) +static void __init remove_oldmem(void) { #ifdef CONFIG_CRASH_DUMP if (OLDMEM_BASE) diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c index 4c8c063bce5b16..996884dcc9fdb0 100644 --- a/arch/s390/mm/fault.c +++ b/arch/s390/mm/fault.c @@ -859,6 +859,21 @@ void do_non_secure_storage_access(struct pt_regs *regs) } NOKPROBE_SYMBOL(do_non_secure_storage_access); +void do_secure_storage_violation(struct pt_regs *regs) +{ + /* + * Either KVM messed up the secure guest mapping or the same + * page is mapped into multiple secure guests. + * + * This exception is only triggered when a guest 2 is running + * and can therefore never occur in kernel context. + */ + printk_ratelimited(KERN_WARNING + "Secure storage violation in task: %s, pid %d\n", + current->comm, current->pid); + send_sig(SIGSEGV, current, 0); +} + #else void do_secure_storage_access(struct pt_regs *regs) { @@ -869,4 +884,9 @@ void do_non_secure_storage_access(struct pt_regs *regs) { default_trap_handler(regs); } + +void do_secure_storage_violation(struct pt_regs *regs) +{ + default_trap_handler(regs); +} #endif diff --git a/arch/s390/mm/vmem.c b/arch/s390/mm/vmem.c index 1aed1a4dfc2d6a..eddf71c22875e3 100644 --- a/arch/s390/mm/vmem.c +++ b/arch/s390/mm/vmem.c @@ -402,6 +402,7 @@ static int modify_p4d_table(pgd_t *pgd, unsigned long addr, unsigned long end, pud = vmem_crst_alloc(_REGION3_ENTRY_EMPTY); if (!pud) goto out; + p4d_populate(&init_mm, p4d, pud); } ret = modify_pud_table(p4d, addr, next, add, direct); if (ret) diff --git a/arch/s390/pci/pci.c b/arch/s390/pci/pci.c index 4b62d6b550246d..1804230dd8d822 100644 --- a/arch/s390/pci/pci.c +++ b/arch/s390/pci/pci.c @@ -668,6 +668,10 @@ EXPORT_SYMBOL_GPL(zpci_enable_device); int zpci_disable_device(struct zpci_dev *zdev) { zpci_dma_exit_device(zdev); + /* + * The zPCI function may already be disabled by the platform, this is + * detected in clp_disable_fh() which becomes a no-op. + */ return clp_disable_fh(zdev); } EXPORT_SYMBOL_GPL(zpci_disable_device); diff --git a/arch/s390/pci/pci_event.c b/arch/s390/pci/pci_event.c index 9a3a291cad4324..d9ae7456dd4c8a 100644 --- a/arch/s390/pci/pci_event.c +++ b/arch/s390/pci/pci_event.c @@ -143,6 +143,8 @@ static void __zpci_event_availability(struct zpci_ccdf_avail *ccdf) zpci_remove_device(zdev); } + zdev->fh = ccdf->fh; + zpci_disable_device(zdev); zdev->state = ZPCI_FN_STATE_STANDBY; if (!clp_get_state(ccdf->fid, &state) && state == ZPCI_FN_STATE_RESERVED) { diff --git a/arch/sh/drivers/platform_early.c b/arch/sh/drivers/platform_early.c index f3dc3f25b3ff08..143747c45206fe 100644 --- a/arch/sh/drivers/platform_early.c +++ b/arch/sh/drivers/platform_early.c @@ -246,7 +246,7 @@ static int __init sh_early_platform_driver_probe_id(char *class_str, case EARLY_PLATFORM_ID_ERROR: pr_warn("%s: unable to parse %s parameter\n", class_str, epdrv->pdrv->driver.name); - /* fall-through */ + fallthrough; case EARLY_PLATFORM_ID_UNSET: match = NULL; break; diff --git a/arch/sh/include/asm/smp.h b/arch/sh/include/asm/smp.h index 1a0d7cf71c102d..100bf241340b92 100644 --- a/arch/sh/include/asm/smp.h +++ b/arch/sh/include/asm/smp.h @@ -8,7 +8,6 @@ #ifdef CONFIG_SMP -#include <linux/spinlock.h> #include <linux/atomic.h> #include <asm/current.h> #include <asm/percpu.h> diff --git a/arch/sh/kernel/disassemble.c b/arch/sh/kernel/disassemble.c index 08e1af63edd962..34e25a439c811c 100644 --- a/arch/sh/kernel/disassemble.c +++ b/arch/sh/kernel/disassemble.c @@ -486,7 +486,7 @@ static void print_sh_insn(u32 memaddr, u16 insn) pr_cont("xd%d", rn & ~1); break; } - /* else, fall through */ + fallthrough; case D_REG_N: pr_cont("dr%d", rn); break; @@ -495,7 +495,7 @@ static void print_sh_insn(u32 memaddr, u16 insn) pr_cont("xd%d", rm & ~1); break; } - /* else, fall through */ + fallthrough; case D_REG_M: pr_cont("dr%d", rm); break; diff --git a/arch/sh/kernel/entry-common.S b/arch/sh/kernel/entry-common.S index ad963104d22d47..91ab2607a1ff9f 100644 --- a/arch/sh/kernel/entry-common.S +++ b/arch/sh/kernel/entry-common.S @@ -370,7 +370,6 @@ syscall_trace_entry: nop cmp/eq #-1, r0 bt syscall_exit - mov.l r0, @(OFF_R0,r15) ! Save return value ! Reload R0-R4 from kernel stack, where the ! parent may have modified them using ! ptrace(POKEUSR). (Note that R0-R2 are diff --git a/arch/sh/kernel/kgdb.c b/arch/sh/kernel/kgdb.c index 0d5f3c9d52f30e..e4147efa9ec6da 100644 --- a/arch/sh/kernel/kgdb.c +++ b/arch/sh/kernel/kgdb.c @@ -266,7 +266,7 @@ int kgdb_arch_handle_exception(int e_vector, int signo, int err_code, ptr = &remcomInBuffer[1]; if (kgdb_hex2long(&ptr, &addr)) linux_regs->pc = addr; - /* fallthrough */ + fallthrough; case 'D': case 'k': atomic_set(&kgdb_cpu_doing_single_step, -1); diff --git a/arch/sh/kernel/ptrace_32.c b/arch/sh/kernel/ptrace_32.c index b05bf92f9c3254..5281685f6ad1f7 100644 --- a/arch/sh/kernel/ptrace_32.c +++ b/arch/sh/kernel/ptrace_32.c @@ -455,16 +455,11 @@ long arch_ptrace(struct task_struct *child, long request, asmlinkage long do_syscall_trace_enter(struct pt_regs *regs) { - long ret = 0; - if (test_thread_flag(TIF_SYSCALL_TRACE) && - tracehook_report_syscall_entry(regs)) - /* - * Tracing decided this syscall should not happen. - * We'll return a bogus call number to get an ENOSYS - * error, but leave the original number in regs->regs[0]. - */ - ret = -1L; + tracehook_report_syscall_entry(regs)) { + regs->regs[0] = -ENOSYS; + return -1; + } if (secure_computing() == -1) return -1; @@ -475,7 +470,7 @@ asmlinkage long do_syscall_trace_enter(struct pt_regs *regs) audit_syscall_entry(regs->regs[3], regs->regs[4], regs->regs[5], regs->regs[6], regs->regs[7]); - return ret ?: regs->regs[0]; + return 0; } asmlinkage void do_syscall_trace_leave(struct pt_regs *regs) diff --git a/arch/sh/kernel/signal_32.c b/arch/sh/kernel/signal_32.c index a0fbb8427b3911..4fe3f00137bc0d 100644 --- a/arch/sh/kernel/signal_32.c +++ b/arch/sh/kernel/signal_32.c @@ -418,7 +418,7 @@ handle_syscall_restart(unsigned long save_r0, struct pt_regs *regs, case -ERESTARTSYS: if (!(sa->sa_flags & SA_RESTART)) goto no_system_call_restart; - /* fallthrough */ + fallthrough; case -ERESTARTNOINTR: regs->regs[0] = save_r0; regs->pc -= instruction_size(__raw_readw(regs->pc - 4)); diff --git a/arch/sparc/kernel/auxio_64.c b/arch/sparc/kernel/auxio_64.c index 4843f48bfe85f7..774a82b0c649f0 100644 --- a/arch/sparc/kernel/auxio_64.c +++ b/arch/sparc/kernel/auxio_64.c @@ -87,7 +87,6 @@ void auxio_set_lte(int on) __auxio_sbus_set_lte(on); break; case AUXIO_TYPE_EBUS: - /* FALL-THROUGH */ default: break; } diff --git a/arch/sparc/kernel/central.c b/arch/sparc/kernel/central.c index bfae98ab863814..23f8838dd96e3a 100644 --- a/arch/sparc/kernel/central.c +++ b/arch/sparc/kernel/central.c @@ -55,7 +55,7 @@ static int clock_board_calc_nslots(struct clock_board *p) else return 5; } - /* Fallthrough */ + fallthrough; default: return 4; } diff --git a/arch/sparc/kernel/kgdb_32.c b/arch/sparc/kernel/kgdb_32.c index 7580775a14b9e7..58ad3f7de1fb53 100644 --- a/arch/sparc/kernel/kgdb_32.c +++ b/arch/sparc/kernel/kgdb_32.c @@ -122,7 +122,7 @@ int kgdb_arch_handle_exception(int e_vector, int signo, int err_code, linux_regs->pc = addr; linux_regs->npc = addr + 4; } - /* fall through */ + fallthrough; case 'D': case 'k': diff --git a/arch/sparc/kernel/kgdb_64.c b/arch/sparc/kernel/kgdb_64.c index 5d6c2d287e8553..177746ae2c817f 100644 --- a/arch/sparc/kernel/kgdb_64.c +++ b/arch/sparc/kernel/kgdb_64.c @@ -148,7 +148,7 @@ int kgdb_arch_handle_exception(int e_vector, int signo, int err_code, linux_regs->tpc = addr; linux_regs->tnpc = addr + 4; } - /* fall through */ + fallthrough; case 'D': case 'k': diff --git a/arch/sparc/kernel/pcr.c b/arch/sparc/kernel/pcr.c index c0886b400dad23..2a12c86af956e0 100644 --- a/arch/sparc/kernel/pcr.c +++ b/arch/sparc/kernel/pcr.c @@ -359,7 +359,7 @@ int __init pcr_arch_init(void) * counter overflow interrupt so we can't make use of * their hardware currently. */ - /* fallthrough */ + fallthrough; default: err = -ENODEV; goto out_unregister; diff --git a/arch/sparc/kernel/prom_32.c b/arch/sparc/kernel/prom_32.c index da8902295c8c37..3df960c137f764 100644 --- a/arch/sparc/kernel/prom_32.c +++ b/arch/sparc/kernel/prom_32.c @@ -224,7 +224,7 @@ void __init of_console_init(void) case PROMDEV_TTYB: skip = 1; - /* FALLTHRU */ + fallthrough; case PROMDEV_TTYA: type = "serial"; diff --git a/arch/sparc/kernel/signal32.c b/arch/sparc/kernel/signal32.c index e2c6f0abda009b..e9695a06492ff2 100644 --- a/arch/sparc/kernel/signal32.c +++ b/arch/sparc/kernel/signal32.c @@ -646,7 +646,7 @@ static inline void syscall_restart32(unsigned long orig_i0, struct pt_regs *regs case ERESTARTSYS: if (!(sa->sa_flags & SA_RESTART)) goto no_system_call_restart; - /* fallthrough */ + fallthrough; case ERESTARTNOINTR: regs->u_regs[UREG_I0] = orig_i0; regs->tpc -= 4; @@ -686,7 +686,7 @@ void do_signal32(struct pt_regs * regs) regs->tpc -= 4; regs->tnpc -= 4; pt_regs_clear_syscall(regs); - /* fall through */ + fallthrough; case ERESTART_RESTARTBLOCK: regs->u_regs[UREG_G1] = __NR_restart_syscall; regs->tpc -= 4; diff --git a/arch/sparc/kernel/signal_32.c b/arch/sparc/kernel/signal_32.c index f1f8c8ebe641d3..d0e0025ee3ba82 100644 --- a/arch/sparc/kernel/signal_32.c +++ b/arch/sparc/kernel/signal_32.c @@ -440,7 +440,7 @@ static inline void syscall_restart(unsigned long orig_i0, struct pt_regs *regs, case ERESTARTSYS: if (!(sa->sa_flags & SA_RESTART)) goto no_system_call_restart; - /* fallthrough */ + fallthrough; case ERESTARTNOINTR: regs->u_regs[UREG_I0] = orig_i0; regs->pc -= 4; @@ -506,7 +506,7 @@ static void do_signal(struct pt_regs *regs, unsigned long orig_i0) regs->pc -= 4; regs->npc -= 4; pt_regs_clear_syscall(regs); - /* fall through */ + fallthrough; case ERESTART_RESTARTBLOCK: regs->u_regs[UREG_G1] = __NR_restart_syscall; regs->pc -= 4; diff --git a/arch/sparc/kernel/signal_64.c b/arch/sparc/kernel/signal_64.c index 6937339a272c51..255264bcb46a7c 100644 --- a/arch/sparc/kernel/signal_64.c +++ b/arch/sparc/kernel/signal_64.c @@ -461,7 +461,7 @@ static inline void syscall_restart(unsigned long orig_i0, struct pt_regs *regs, case ERESTARTSYS: if (!(sa->sa_flags & SA_RESTART)) goto no_system_call_restart; - /* fallthrough */ + fallthrough; case ERESTARTNOINTR: regs->u_regs[UREG_I0] = orig_i0; regs->tpc -= 4; @@ -532,7 +532,7 @@ static void do_signal(struct pt_regs *regs, unsigned long orig_i0) regs->tpc -= 4; regs->tnpc -= 4; pt_regs_clear_syscall(regs); - /* fall through */ + fallthrough; case ERESTART_RESTARTBLOCK: regs->u_regs[UREG_G1] = __NR_restart_syscall; regs->tpc -= 4; diff --git a/arch/sparc/math-emu/math_32.c b/arch/sparc/math-emu/math_32.c index 72e560ef4a0912..d5beec85614608 100644 --- a/arch/sparc/math-emu/math_32.c +++ b/arch/sparc/math-emu/math_32.c @@ -359,7 +359,7 @@ static int do_one_mathemu(u32 insn, unsigned long *pfsr, unsigned long *fregs) *pfsr |= (6 << 14); return 0; /* simulate invalid_fp_register exception */ } - /* fall through */ + fallthrough; case 2: if (freg & 1) { /* doublewords must have bit 5 zeroed */ *pfsr |= (6 << 14); @@ -380,7 +380,7 @@ static int do_one_mathemu(u32 insn, unsigned long *pfsr, unsigned long *fregs) *pfsr |= (6 << 14); return 0; /* simulate invalid_fp_register exception */ } - /* fall through */ + fallthrough; case 2: if (freg & 1) { /* doublewords must have bit 5 zeroed */ *pfsr |= (6 << 14); @@ -408,13 +408,13 @@ static int do_one_mathemu(u32 insn, unsigned long *pfsr, unsigned long *fregs) *pfsr |= (6 << 14); return 0; /* simulate invalid_fp_register exception */ } - /* fall through */ + fallthrough; case 2: if (freg & 1) { /* doublewords must have bit 5 zeroed */ *pfsr |= (6 << 14); return 0; } - /* fall through */ + fallthrough; case 1: rd = (void *)&fregs[freg]; break; diff --git a/arch/sparc/net/bpf_jit_comp_32.c b/arch/sparc/net/bpf_jit_comp_32.c index c8eabb973b8688..b1dbf2fa8c0ae8 100644 --- a/arch/sparc/net/bpf_jit_comp_32.c +++ b/arch/sparc/net/bpf_jit_comp_32.c @@ -491,7 +491,7 @@ void bpf_jit_compile(struct bpf_prog *fp) } else { emit_loadimm(K, r_A); } - /* Fallthrough */ + fallthrough; case BPF_RET | BPF_A: if (seen_or_pass0) { if (i != flen - 1) { diff --git a/arch/um/kernel/signal.c b/arch/um/kernel/signal.c index 3d57c71c532e47..88cd9b5c1b7444 100644 --- a/arch/um/kernel/signal.c +++ b/arch/um/kernel/signal.c @@ -70,7 +70,7 @@ static void handle_signal(struct ksignal *ksig, struct pt_regs *regs) PT_REGS_SYSCALL_RET(regs) = -EINTR; break; } - /* fallthrough */ + fallthrough; case -ERESTARTNOINTR: PT_REGS_RESTART_SYSCALL(regs); PT_REGS_ORIG_SYSCALL(regs) = PT_REGS_SYSCALL_NR(regs); diff --git a/arch/x86/boot/cmdline.c b/arch/x86/boot/cmdline.c index 4ff01176c1cc1d..21d56ae83cdf17 100644 --- a/arch/x86/boot/cmdline.c +++ b/arch/x86/boot/cmdline.c @@ -54,7 +54,7 @@ int __cmdline_find_option(unsigned long cmdline_ptr, const char *option, char *b /* else */ state = st_wordcmp; opptr = option; - /* fall through */ + fallthrough; case st_wordcmp: if (c == '=' && !*opptr) { @@ -129,7 +129,7 @@ int __cmdline_find_option_bool(unsigned long cmdline_ptr, const char *option) state = st_wordcmp; opptr = option; wstart = pos; - /* fall through */ + fallthrough; case st_wordcmp: if (!*opptr) diff --git a/arch/x86/boot/compressed/Makefile b/arch/x86/boot/compressed/Makefile index 3962f592633d1a..ff7894f39e0eaa 100644 --- a/arch/x86/boot/compressed/Makefile +++ b/arch/x86/boot/compressed/Makefile @@ -43,6 +43,8 @@ KBUILD_CFLAGS += -Wno-pointer-sign KBUILD_CFLAGS += $(call cc-option,-fmacro-prefix-map=$(srctree)/=) KBUILD_CFLAGS += -fno-asynchronous-unwind-tables KBUILD_CFLAGS += -D__DISABLE_EXPORTS +# Disable relocation relaxation in case the link is not PIE. +KBUILD_CFLAGS += $(call as-option,-Wa$(comma)-mrelax-relocations=no) KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__ GCOV_PROFILE := n diff --git a/arch/x86/boot/compressed/kaslr.c b/arch/x86/boot/compressed/kaslr.c index 0048269180d58a..dde7cb3724df38 100644 --- a/arch/x86/boot/compressed/kaslr.c +++ b/arch/x86/boot/compressed/kaslr.c @@ -178,7 +178,7 @@ parse_memmap(char *p, unsigned long long *start, unsigned long long *size, } *size = 0; } - /* Fall through */ + fallthrough; default: /* * If w/o offset, only size specified, memmap=nn[KMG] has the diff --git a/arch/x86/configs/i386_defconfig b/arch/x86/configs/i386_defconfig index d7577fece9ebaa..78210793d357cf 100644 --- a/arch/x86/configs/i386_defconfig +++ b/arch/x86/configs/i386_defconfig @@ -19,6 +19,7 @@ CONFIG_CGROUP_CPUACCT=y CONFIG_BLK_DEV_INITRD=y # CONFIG_COMPAT_BRK is not set CONFIG_PROFILING=y +# CONFIG_64BIT is not set CONFIG_SMP=y CONFIG_X86_GENERIC=y CONFIG_HPET_TIMER=y @@ -186,7 +187,6 @@ CONFIG_DRM_I915=y CONFIG_FB_MODE_HELPERS=y CONFIG_FB_TILEBLITTING=y CONFIG_FB_EFI=y -CONFIG_VGACON_SOFT_SCROLLBACK=y CONFIG_LOGO=y # CONFIG_LOGO_LINUX_MONO is not set # CONFIG_LOGO_LINUX_VGA16 is not set diff --git a/arch/x86/configs/x86_64_defconfig b/arch/x86/configs/x86_64_defconfig index f8560014374762..9936528e19393a 100644 --- a/arch/x86/configs/x86_64_defconfig +++ b/arch/x86/configs/x86_64_defconfig @@ -181,7 +181,6 @@ CONFIG_DRM_I915=y CONFIG_FB_MODE_HELPERS=y CONFIG_FB_TILEBLITTING=y CONFIG_FB_EFI=y -CONFIG_VGACON_SOFT_SCROLLBACK=y CONFIG_LOGO=y # CONFIG_LOGO_LINUX_MONO is not set # CONFIG_LOGO_LINUX_VGA16 is not set diff --git a/arch/x86/entry/common.c b/arch/x86/entry/common.c index 48512c7944e7e6..870efeec8bdacc 100644 --- a/arch/x86/entry/common.c +++ b/arch/x86/entry/common.c @@ -60,16 +60,10 @@ __visible noinstr void do_syscall_64(unsigned long nr, struct pt_regs *regs) #if defined(CONFIG_X86_32) || defined(CONFIG_IA32_EMULATION) static __always_inline unsigned int syscall_32_enter(struct pt_regs *regs) { - unsigned int nr = (unsigned int)regs->orig_ax; - if (IS_ENABLED(CONFIG_IA32_EMULATION)) current_thread_info()->status |= TS_COMPAT; - /* - * Subtlety here: if ptrace pokes something larger than 2^32-1 into - * orig_ax, the unsigned int return value truncates it. This may - * or may not be necessary, but it matches the old asm behavior. - */ - return (unsigned int)syscall_enter_from_user_mode(regs, nr); + + return (unsigned int)regs->orig_ax; } /* @@ -91,15 +85,29 @@ __visible noinstr void do_int80_syscall_32(struct pt_regs *regs) { unsigned int nr = syscall_32_enter(regs); + /* + * Subtlety here: if ptrace pokes something larger than 2^32-1 into + * orig_ax, the unsigned int return value truncates it. This may + * or may not be necessary, but it matches the old asm behavior. + */ + nr = (unsigned int)syscall_enter_from_user_mode(regs, nr); + do_syscall_32_irqs_on(regs, nr); syscall_exit_to_user_mode(regs); } static noinstr bool __do_fast_syscall_32(struct pt_regs *regs) { - unsigned int nr = syscall_32_enter(regs); + unsigned int nr = syscall_32_enter(regs); int res; + /* + * This cannot use syscall_enter_from_user_mode() as it has to + * fetch EBP before invoking any of the syscall entry work + * functions. + */ + syscall_enter_from_user_mode_prepare(regs); + instrumentation_begin(); /* Fetch EBP from where the vDSO stashed it. */ if (IS_ENABLED(CONFIG_X86_64)) { @@ -122,6 +130,9 @@ static noinstr bool __do_fast_syscall_32(struct pt_regs *regs) return false; } + /* The case truncates any ptrace induced syscall nr > 2^32 -1 */ + nr = (unsigned int)syscall_enter_from_user_mode_work(regs, nr); + /* Now this is just like a normal syscall. */ do_syscall_32_irqs_on(regs, nr); syscall_exit_to_user_mode(regs); @@ -288,7 +299,7 @@ __visible noinstr void xen_pv_evtchn_do_upcall(struct pt_regs *regs) old_regs = set_irq_regs(regs); instrumentation_begin(); - run_on_irqstack_cond(__xen_pv_evtchn_do_upcall, NULL, regs); + run_on_irqstack_cond(__xen_pv_evtchn_do_upcall, regs); instrumentation_begin(); set_irq_regs(old_regs); diff --git a/arch/x86/entry/entry_64.S b/arch/x86/entry/entry_64.S index 70dea933781627..d977079a7d02e2 100644 --- a/arch/x86/entry/entry_64.S +++ b/arch/x86/entry/entry_64.S @@ -682,6 +682,8 @@ SYM_CODE_END(.Lbad_gs) * rdx: Function argument (can be NULL if none) */ SYM_FUNC_START(asm_call_on_stack) +SYM_INNER_LABEL(asm_call_sysvec_on_stack, SYM_L_GLOBAL) +SYM_INNER_LABEL(asm_call_irq_on_stack, SYM_L_GLOBAL) /* * Save the frame pointer unconditionally. This allows the ORC * unwinder to handle the stack switch. diff --git a/arch/x86/events/intel/core.c b/arch/x86/events/intel/core.c index 50963472ee850c..31e6887d24f1a9 100644 --- a/arch/x86/events/intel/core.c +++ b/arch/x86/events/intel/core.c @@ -4682,7 +4682,7 @@ __init int intel_pmu_init(void) case INTEL_FAM6_CORE2_MEROM: x86_add_quirk(intel_clovertown_quirk); - /* fall through */ + fallthrough; case INTEL_FAM6_CORE2_MEROM_L: case INTEL_FAM6_CORE2_PENRYN: @@ -5062,7 +5062,7 @@ __init int intel_pmu_init(void) case INTEL_FAM6_SKYLAKE_X: pmem = true; - /* fall through */ + fallthrough; case INTEL_FAM6_SKYLAKE_L: case INTEL_FAM6_SKYLAKE: case INTEL_FAM6_KABYLAKE_L: @@ -5114,7 +5114,7 @@ __init int intel_pmu_init(void) case INTEL_FAM6_ICELAKE_X: case INTEL_FAM6_ICELAKE_D: pmem = true; - /* fall through */ + fallthrough; case INTEL_FAM6_ICELAKE_L: case INTEL_FAM6_ICELAKE: case INTEL_FAM6_TIGERLAKE_L: diff --git a/arch/x86/events/intel/lbr.c b/arch/x86/events/intel/lbr.c index 63f58bdf556c43..8961653c5dd2ba 100644 --- a/arch/x86/events/intel/lbr.c +++ b/arch/x86/events/intel/lbr.c @@ -1268,7 +1268,7 @@ static int branch_type(unsigned long from, unsigned long to, int abort) ret = X86_BR_ZERO_CALL; break; } - /* fall through */ + fallthrough; case 0x9a: /* call far absolute */ ret = X86_BR_CALL; break; diff --git a/arch/x86/include/asm/acpi.h b/arch/x86/include/asm/acpi.h index ca0976456a6b0e..6d2df1ee427b96 100644 --- a/arch/x86/include/asm/acpi.h +++ b/arch/x86/include/asm/acpi.h @@ -159,8 +159,6 @@ static inline u64 x86_default_get_root_pointer(void) extern int x86_acpi_numa_init(void); #endif /* CONFIG_ACPI_NUMA */ -#define acpi_unlazy_tlb(x) leave_mm(x) - #ifdef CONFIG_ACPI_APEI static inline pgprot_t arch_apei_get_mem_attribute(phys_addr_t addr) { diff --git a/arch/x86/include/asm/entry-common.h b/arch/x86/include/asm/entry-common.h index a8f9315b9eaeff..6fe54b2813c139 100644 --- a/arch/x86/include/asm/entry-common.h +++ b/arch/x86/include/asm/entry-common.h @@ -18,8 +18,16 @@ static __always_inline void arch_check_user_regs(struct pt_regs *regs) * state, not the interrupt state as imagined by Xen. */ unsigned long flags = native_save_fl(); - WARN_ON_ONCE(flags & (X86_EFLAGS_AC | X86_EFLAGS_DF | - X86_EFLAGS_NT)); + unsigned long mask = X86_EFLAGS_DF | X86_EFLAGS_NT; + + /* + * For !SMAP hardware we patch out CLAC on entry. + */ + if (boot_cpu_has(X86_FEATURE_SMAP) || + (IS_ENABLED(CONFIG_64_BIT) && boot_cpu_has(X86_FEATURE_XENPV))) + mask |= X86_EFLAGS_AC; + + WARN_ON_ONCE(flags & mask); /* We think we came from user mode. Make sure pt_regs agrees. */ WARN_ON_ONCE(!user_mode(regs)); diff --git a/arch/x86/include/asm/frame.h b/arch/x86/include/asm/frame.h index 296b346184b27b..fb42659f6e9886 100644 --- a/arch/x86/include/asm/frame.h +++ b/arch/x86/include/asm/frame.h @@ -60,12 +60,26 @@ #define FRAME_END "pop %" _ASM_BP "\n" #ifdef CONFIG_X86_64 + #define ENCODE_FRAME_POINTER \ "lea 1(%rsp), %rbp\n\t" + +static inline unsigned long encode_frame_pointer(struct pt_regs *regs) +{ + return (unsigned long)regs + 1; +} + #else /* !CONFIG_X86_64 */ + #define ENCODE_FRAME_POINTER \ "movl %esp, %ebp\n\t" \ "andl $0x7fffffff, %ebp\n\t" + +static inline unsigned long encode_frame_pointer(struct pt_regs *regs) +{ + return (unsigned long)regs & 0x7fffffff; +} + #endif /* CONFIG_X86_64 */ #endif /* __ASSEMBLY__ */ @@ -83,6 +97,11 @@ #define ENCODE_FRAME_POINTER +static inline unsigned long encode_frame_pointer(struct pt_regs *regs) +{ + return 0; +} + #endif #define FRAME_BEGIN diff --git a/arch/x86/include/asm/idtentry.h b/arch/x86/include/asm/idtentry.h index a4336619121208..a0638640f1edae 100644 --- a/arch/x86/include/asm/idtentry.h +++ b/arch/x86/include/asm/idtentry.h @@ -242,7 +242,7 @@ __visible noinstr void func(struct pt_regs *regs) \ instrumentation_begin(); \ irq_enter_rcu(); \ kvm_set_cpu_l1tf_flush_l1d(); \ - run_on_irqstack_cond(__##func, regs, regs); \ + run_sysvec_on_irqstack_cond(__##func, regs); \ irq_exit_rcu(); \ instrumentation_end(); \ irqentry_exit(regs, state); \ diff --git a/arch/x86/include/asm/irq_stack.h b/arch/x86/include/asm/irq_stack.h index 4ae66f097101d1..775816965c6ae0 100644 --- a/arch/x86/include/asm/irq_stack.h +++ b/arch/x86/include/asm/irq_stack.h @@ -12,20 +12,50 @@ static __always_inline bool irqstack_active(void) return __this_cpu_read(irq_count) != -1; } -void asm_call_on_stack(void *sp, void *func, void *arg); +void asm_call_on_stack(void *sp, void (*func)(void), void *arg); +void asm_call_sysvec_on_stack(void *sp, void (*func)(struct pt_regs *regs), + struct pt_regs *regs); +void asm_call_irq_on_stack(void *sp, void (*func)(struct irq_desc *desc), + struct irq_desc *desc); -static __always_inline void __run_on_irqstack(void *func, void *arg) +static __always_inline void __run_on_irqstack(void (*func)(void)) { void *tos = __this_cpu_read(hardirq_stack_ptr); __this_cpu_add(irq_count, 1); - asm_call_on_stack(tos - 8, func, arg); + asm_call_on_stack(tos - 8, func, NULL); + __this_cpu_sub(irq_count, 1); +} + +static __always_inline void +__run_sysvec_on_irqstack(void (*func)(struct pt_regs *regs), + struct pt_regs *regs) +{ + void *tos = __this_cpu_read(hardirq_stack_ptr); + + __this_cpu_add(irq_count, 1); + asm_call_sysvec_on_stack(tos - 8, func, regs); + __this_cpu_sub(irq_count, 1); +} + +static __always_inline void +__run_irq_on_irqstack(void (*func)(struct irq_desc *desc), + struct irq_desc *desc) +{ + void *tos = __this_cpu_read(hardirq_stack_ptr); + + __this_cpu_add(irq_count, 1); + asm_call_irq_on_stack(tos - 8, func, desc); __this_cpu_sub(irq_count, 1); } #else /* CONFIG_X86_64 */ static inline bool irqstack_active(void) { return false; } -static inline void __run_on_irqstack(void *func, void *arg) { } +static inline void __run_on_irqstack(void (*func)(void)) { } +static inline void __run_sysvec_on_irqstack(void (*func)(struct pt_regs *regs), + struct pt_regs *regs) { } +static inline void __run_irq_on_irqstack(void (*func)(struct irq_desc *desc), + struct irq_desc *desc) { } #endif /* !CONFIG_X86_64 */ static __always_inline bool irq_needs_irq_stack(struct pt_regs *regs) @@ -37,17 +67,40 @@ static __always_inline bool irq_needs_irq_stack(struct pt_regs *regs) return !user_mode(regs) && !irqstack_active(); } -static __always_inline void run_on_irqstack_cond(void *func, void *arg, + +static __always_inline void run_on_irqstack_cond(void (*func)(void), struct pt_regs *regs) { - void (*__func)(void *arg) = func; + lockdep_assert_irqs_disabled(); + + if (irq_needs_irq_stack(regs)) + __run_on_irqstack(func); + else + func(); +} + +static __always_inline void +run_sysvec_on_irqstack_cond(void (*func)(struct pt_regs *regs), + struct pt_regs *regs) +{ + lockdep_assert_irqs_disabled(); + if (irq_needs_irq_stack(regs)) + __run_sysvec_on_irqstack(func, regs); + else + func(regs); +} + +static __always_inline void +run_irq_on_irqstack_cond(void (*func)(struct irq_desc *desc), struct irq_desc *desc, + struct pt_regs *regs) +{ lockdep_assert_irqs_disabled(); if (irq_needs_irq_stack(regs)) - __run_on_irqstack(__func, arg); + __run_irq_on_irqstack(func, desc); else - __func(arg); + func(desc); } #endif diff --git a/arch/x86/include/asm/ptrace.h b/arch/x86/include/asm/ptrace.h index 40aa69d04862e1..d8324a23669610 100644 --- a/arch/x86/include/asm/ptrace.h +++ b/arch/x86/include/asm/ptrace.h @@ -327,8 +327,8 @@ static inline unsigned long regs_get_kernel_argument(struct pt_regs *regs, static const unsigned int argument_offs[] = { #ifdef __i386__ offsetof(struct pt_regs, ax), - offsetof(struct pt_regs, cx), offsetof(struct pt_regs, dx), + offsetof(struct pt_regs, cx), #define NR_REG_ARGUMENTS 3 #else offsetof(struct pt_regs, di), diff --git a/arch/x86/kernel/alternative.c b/arch/x86/kernel/alternative.c index c3daf0aaa0ee6d..cdaab30880b91c 100644 --- a/arch/x86/kernel/alternative.c +++ b/arch/x86/kernel/alternative.c @@ -239,7 +239,7 @@ void __init arch_init_ideal_nops(void) return; } - /* fall through */ + fallthrough; default: #ifdef CONFIG_X86_64 diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c index 21325a4a78b92d..21f9c7f117796c 100644 --- a/arch/x86/kernel/apic/io_apic.c +++ b/arch/x86/kernel/apic/io_apic.c @@ -800,7 +800,7 @@ static int irq_polarity(int idx) return IOAPIC_POL_HIGH; case MP_IRQPOL_RESERVED: pr_warn("IOAPIC: Invalid polarity: 2, defaulting to low\n"); - /* fall through */ + fallthrough; case MP_IRQPOL_ACTIVE_LOW: default: /* Pointless default required due to do gcc stupidity */ return IOAPIC_POL_LOW; @@ -848,7 +848,7 @@ static int irq_trigger(int idx) return IOAPIC_EDGE; case MP_IRQTRIG_RESERVED: pr_warn("IOAPIC: Invalid trigger mode 2 defaulting to level\n"); - /* fall through */ + fallthrough; case MP_IRQTRIG_LEVEL: default: /* Pointless default required due to do gcc stupidity */ return IOAPIC_LEVEL; @@ -2243,6 +2243,7 @@ static inline void __init check_timer(void) legacy_pic->init(0); legacy_pic->make_irq(0); apic_write(APIC_LVT0, APIC_DM_EXTINT); + legacy_pic->unmask(0); unlock_ExtINT_logic(); diff --git a/arch/x86/kernel/apic/probe_32.c b/arch/x86/kernel/apic/probe_32.c index 7bda71def557bc..99ee61c9ba548f 100644 --- a/arch/x86/kernel/apic/probe_32.c +++ b/arch/x86/kernel/apic/probe_32.c @@ -149,7 +149,7 @@ void __init default_setup_apic_routing(void) break; } /* P4 and above */ - /* fall through */ + fallthrough; case X86_VENDOR_HYGON: case X86_VENDOR_AMD: def_to_bigsmp = 1; diff --git a/arch/x86/kernel/apic/vector.c b/arch/x86/kernel/apic/vector.c index dae32d948bf25e..f8a56b5dc29fe5 100644 --- a/arch/x86/kernel/apic/vector.c +++ b/arch/x86/kernel/apic/vector.c @@ -161,6 +161,7 @@ static void apic_update_vector(struct irq_data *irqd, unsigned int newvec, apicd->move_in_progress = true; apicd->prev_vector = apicd->vector; apicd->prev_cpu = apicd->cpu; + WARN_ON_ONCE(apicd->cpu == newcpu); } else { irq_matrix_free(vector_matrix, apicd->cpu, apicd->vector, managed); @@ -910,7 +911,7 @@ void send_cleanup_vector(struct irq_cfg *cfg) __send_cleanup_vector(apicd); } -static void __irq_complete_move(struct irq_cfg *cfg, unsigned vector) +void irq_complete_move(struct irq_cfg *cfg) { struct apic_chip_data *apicd; @@ -918,15 +919,16 @@ static void __irq_complete_move(struct irq_cfg *cfg, unsigned vector) if (likely(!apicd->move_in_progress)) return; - if (vector == apicd->vector && apicd->cpu == smp_processor_id()) + /* + * If the interrupt arrived on the new target CPU, cleanup the + * vector on the old target CPU. A vector check is not required + * because an interrupt can never move from one vector to another + * on the same CPU. + */ + if (apicd->cpu == smp_processor_id()) __send_cleanup_vector(apicd); } -void irq_complete_move(struct irq_cfg *cfg) -{ - __irq_complete_move(cfg, ~get_irq_regs()->orig_ax); -} - /* * Called from fixup_irqs() with @desc->lock held and interrupts disabled. */ diff --git a/arch/x86/kernel/cpu/cacheinfo.c b/arch/x86/kernel/cpu/cacheinfo.c index c7503be92f3593..57074cf3ad7c1a 100644 --- a/arch/x86/kernel/cpu/cacheinfo.c +++ b/arch/x86/kernel/cpu/cacheinfo.c @@ -248,7 +248,7 @@ amd_cpuid4(int leaf, union _cpuid4_leaf_eax *eax, switch (leaf) { case 1: l1 = &l1i; - /* fall through */ + fallthrough; case 0: if (!l1->val) return; diff --git a/arch/x86/kernel/cpu/mce/inject.c b/arch/x86/kernel/cpu/mce/inject.c index 7843ab3fde099d..3a44346f227660 100644 --- a/arch/x86/kernel/cpu/mce/inject.c +++ b/arch/x86/kernel/cpu/mce/inject.c @@ -199,7 +199,7 @@ static int raise_local(void) * calling irq_enter, but the necessary * machinery isn't exported currently. */ - /*FALL THROUGH*/ + fallthrough; case MCJ_CTX_PROCESS: raise_exception(m, NULL); break; diff --git a/arch/x86/kernel/cpu/mce/intel.c b/arch/x86/kernel/cpu/mce/intel.c index d8f9230d203413..abe9fe0fb8517c 100644 --- a/arch/x86/kernel/cpu/mce/intel.c +++ b/arch/x86/kernel/cpu/mce/intel.c @@ -193,7 +193,7 @@ unsigned long cmci_intel_adjust_timer(unsigned long interval) if (!atomic_sub_return(1, &cmci_storm_on_cpus)) pr_notice("CMCI storm subsided: switching to interrupt mode\n"); - /* FALLTHROUGH */ + fallthrough; case CMCI_STORM_SUBSIDED: /* diff --git a/arch/x86/kernel/cpu/mtrr/cyrix.c b/arch/x86/kernel/cpu/mtrr/cyrix.c index 72182809b3339b..ca670919b56180 100644 --- a/arch/x86/kernel/cpu/mtrr/cyrix.c +++ b/arch/x86/kernel/cpu/mtrr/cyrix.c @@ -98,7 +98,7 @@ cyrix_get_free_region(unsigned long base, unsigned long size, int replace_reg) case 7: if (size < 0x40) break; - /* Else, fall through */ + fallthrough; case 6: case 5: case 4: diff --git a/arch/x86/kernel/hw_breakpoint.c b/arch/x86/kernel/hw_breakpoint.c index 8cdf29ffd95f17..b98ff620ba7725 100644 --- a/arch/x86/kernel/hw_breakpoint.c +++ b/arch/x86/kernel/hw_breakpoint.c @@ -349,7 +349,7 @@ static int arch_build_bp_info(struct perf_event *bp, hw->len = X86_BREAKPOINT_LEN_X; return 0; } - /* fall through */ + fallthrough; default: return -EINVAL; } diff --git a/arch/x86/kernel/irq.c b/arch/x86/kernel/irq.c index 181060247e3cb7..c5dd50369e2f33 100644 --- a/arch/x86/kernel/irq.c +++ b/arch/x86/kernel/irq.c @@ -227,7 +227,7 @@ static __always_inline void handle_irq(struct irq_desc *desc, struct pt_regs *regs) { if (IS_ENABLED(CONFIG_X86_64)) - run_on_irqstack_cond(desc->handle_irq, desc, regs); + run_irq_on_irqstack_cond(desc->handle_irq, desc, regs); else __handle_irq(desc, regs); } diff --git a/arch/x86/kernel/irq_64.c b/arch/x86/kernel/irq_64.c index 1b4fe93a86c5ce..440eed558558d9 100644 --- a/arch/x86/kernel/irq_64.c +++ b/arch/x86/kernel/irq_64.c @@ -74,5 +74,5 @@ int irq_init_percpu_irqstack(unsigned int cpu) void do_softirq_own_stack(void) { - run_on_irqstack_cond(__do_softirq, NULL, NULL); + run_on_irqstack_cond(__do_softirq, NULL); } diff --git a/arch/x86/kernel/kgdb.c b/arch/x86/kernel/kgdb.c index 68acd30c6b878b..c2f02f308ecfc2 100644 --- a/arch/x86/kernel/kgdb.c +++ b/arch/x86/kernel/kgdb.c @@ -450,7 +450,7 @@ int kgdb_arch_handle_exception(int e_vector, int signo, int err_code, ptr = &remcomInBuffer[1]; if (kgdb_hex2long(&ptr, &addr)) linux_regs->ip = addr; - /* fall through */ + fallthrough; case 'D': case 'k': /* clear the trace bit */ @@ -539,7 +539,7 @@ static int __kgdb_notify(struct die_args *args, unsigned long cmd) * a system call which should be ignored */ return NOTIFY_DONE; - /* fall through */ + fallthrough; default: if (user_mode(regs)) return NOTIFY_DONE; diff --git a/arch/x86/kernel/kvm.c b/arch/x86/kernel/kvm.c index 08320b0b2b276f..9663ba31347c20 100644 --- a/arch/x86/kernel/kvm.c +++ b/arch/x86/kernel/kvm.c @@ -270,9 +270,8 @@ DEFINE_IDTENTRY_SYSVEC(sysvec_kvm_asyncpf_interrupt) { struct pt_regs *old_regs = set_irq_regs(regs); u32 token; - irqentry_state_t state; - state = irqentry_enter(regs); + ack_APIC_irq(); inc_irq_stat(irq_hv_callback_count); @@ -283,7 +282,6 @@ DEFINE_IDTENTRY_SYSVEC(sysvec_kvm_asyncpf_interrupt) wrmsrl(MSR_KVM_ASYNC_PF_ACK, 1); } - irqentry_exit(regs, state); set_irq_regs(old_regs); } diff --git a/arch/x86/kernel/mpparse.c b/arch/x86/kernel/mpparse.c index 411af4aa7b51f3..baa21090c9be31 100644 --- a/arch/x86/kernel/mpparse.c +++ b/arch/x86/kernel/mpparse.c @@ -312,7 +312,7 @@ static void __init construct_default_ioirq_mptable(int mpc_default_type) case 2: if (i == 0 || i == 13) continue; /* IRQ0 & IRQ13 not connected */ - /* fall through */ + fallthrough; default: if (i == 2) continue; /* IRQ2 is never connected */ @@ -356,7 +356,7 @@ static void __init construct_ioapic_table(int mpc_default_type) default: pr_err("???\nUnknown standard configuration %d\n", mpc_default_type); - /* fall through */ + fallthrough; case 1: case 5: memcpy(bus.bustype, "ISA ", 6); diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c index 13ce616cc7afb7..ba4593a913fab3 100644 --- a/arch/x86/kernel/process.c +++ b/arch/x86/kernel/process.c @@ -42,6 +42,7 @@ #include <asm/spec-ctrl.h> #include <asm/io_bitmap.h> #include <asm/proto.h> +#include <asm/frame.h> #include "process.h" @@ -133,7 +134,7 @@ int copy_thread(unsigned long clone_flags, unsigned long sp, unsigned long arg, fork_frame = container_of(childregs, struct fork_frame, regs); frame = &fork_frame->frame; - frame->bp = 0; + frame->bp = encode_frame_pointer(childregs); frame->ret_addr = (unsigned long) ret_from_fork; p->thread.sp = (unsigned long) fork_frame; p->thread.io_bitmap = NULL; diff --git a/arch/x86/kernel/ptrace.c b/arch/x86/kernel/ptrace.c index 5679aa3fdcb87b..e7537c5440bbac 100644 --- a/arch/x86/kernel/ptrace.c +++ b/arch/x86/kernel/ptrace.c @@ -204,7 +204,7 @@ static int set_segment_reg(struct task_struct *task, case offsetof(struct user_regs_struct, ss): if (unlikely(value == 0)) return -EIO; - /* Else, fall through */ + fallthrough; default: *pt_regs_access(task_pt_regs(task), offset) = value; diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c index 0ec7ced727fe85..a515e2d230b756 100644 --- a/arch/x86/kernel/reboot.c +++ b/arch/x86/kernel/reboot.c @@ -654,7 +654,7 @@ static void native_machine_emergency_restart(void) case BOOT_CF9_FORCE: port_cf9_safe = true; - /* Fall through */ + fallthrough; case BOOT_CF9_SAFE: if (port_cf9_safe) { diff --git a/arch/x86/kernel/signal.c b/arch/x86/kernel/signal.c index d5fa494c2304de..be0d7d4152eca4 100644 --- a/arch/x86/kernel/signal.c +++ b/arch/x86/kernel/signal.c @@ -726,7 +726,7 @@ handle_signal(struct ksignal *ksig, struct pt_regs *regs) regs->ax = -EINTR; break; } - /* fallthrough */ + fallthrough; case -ERESTARTNOINTR: regs->ax = regs->orig_ax; regs->ip -= 2; diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c index 27aa04a9570211..f5ef689dd62ad7 100644 --- a/arch/x86/kernel/smpboot.c +++ b/arch/x86/kernel/smpboot.c @@ -1594,14 +1594,28 @@ int native_cpu_disable(void) if (ret) return ret; - /* - * Disable the local APIC. Otherwise IPI broadcasts will reach - * it. It still responds normally to INIT, NMI, SMI, and SIPI - * messages. - */ - apic_soft_disable(); cpu_disable_common(); + /* + * Disable the local APIC. Otherwise IPI broadcasts will reach + * it. It still responds normally to INIT, NMI, SMI, and SIPI + * messages. + * + * Disabling the APIC must happen after cpu_disable_common() + * which invokes fixup_irqs(). + * + * Disabling the APIC preserves already set bits in IRR, but + * an interrupt arriving after disabling the local APIC does not + * set the corresponding IRR bit. + * + * fixup_irqs() scans IRR for set bits so it can raise a not + * yet handled interrupt on the new destination CPU via an IPI + * but obviously it can't do so for IRR bits which are not set. + * IOW, interrupts arriving after disabling the local APIC will + * be lost. + */ + apic_soft_disable(); + return 0; } diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c index 1f66d2d1e998db..81a2fb711091c9 100644 --- a/arch/x86/kernel/traps.c +++ b/arch/x86/kernel/traps.c @@ -729,20 +729,9 @@ static bool is_sysenter_singlestep(struct pt_regs *regs) #endif } -static __always_inline void debug_enter(unsigned long *dr6, unsigned long *dr7) +static __always_inline unsigned long debug_read_clear_dr6(void) { - /* - * Disable breakpoints during exception handling; recursive exceptions - * are exceedingly 'fun'. - * - * Since this function is NOKPROBE, and that also applies to - * HW_BREAKPOINT_X, we can't hit a breakpoint before this (XXX except a - * HW_BREAKPOINT_W on our stack) - * - * Entry text is excluded for HW_BP_X and cpu_entry_area, which - * includes the entry stack is excluded for everything. - */ - *dr7 = local_db_save(); + unsigned long dr6; /* * The Intel SDM says: @@ -755,15 +744,12 @@ static __always_inline void debug_enter(unsigned long *dr6, unsigned long *dr7) * * Keep it simple: clear DR6 immediately. */ - get_debugreg(*dr6, 6); + get_debugreg(dr6, 6); set_debugreg(0, 6); /* Filter out all the reserved bits which are preset to 1 */ - *dr6 &= ~DR6_RESERVED; -} + dr6 &= ~DR6_RESERVED; -static __always_inline void debug_exit(unsigned long dr7) -{ - local_db_restore(dr7); + return dr6; } /* @@ -863,6 +849,18 @@ out: static __always_inline void exc_debug_kernel(struct pt_regs *regs, unsigned long dr6) { + /* + * Disable breakpoints during exception handling; recursive exceptions + * are exceedingly 'fun'. + * + * Since this function is NOKPROBE, and that also applies to + * HW_BREAKPOINT_X, we can't hit a breakpoint before this (XXX except a + * HW_BREAKPOINT_W on our stack) + * + * Entry text is excluded for HW_BP_X and cpu_entry_area, which + * includes the entry stack is excluded for everything. + */ + unsigned long dr7 = local_db_save(); bool irq_state = idtentry_enter_nmi(regs); instrumentation_begin(); @@ -883,6 +881,8 @@ static __always_inline void exc_debug_kernel(struct pt_regs *regs, instrumentation_end(); idtentry_exit_nmi(regs, irq_state); + + local_db_restore(dr7); } static __always_inline void exc_debug_user(struct pt_regs *regs, @@ -894,6 +894,15 @@ static __always_inline void exc_debug_user(struct pt_regs *regs, */ WARN_ON_ONCE(!user_mode(regs)); + /* + * NB: We can't easily clear DR7 here because + * idtentry_exit_to_usermode() can invoke ptrace, schedule, access + * user memory, etc. This means that a recursive #DB is possible. If + * this happens, that #DB will hit exc_debug_kernel() and clear DR7. + * Since we're not on the IST stack right now, everything will be + * fine. + */ + irqentry_enter_from_user_mode(regs); instrumentation_begin(); @@ -907,36 +916,24 @@ static __always_inline void exc_debug_user(struct pt_regs *regs, /* IST stack entry */ DEFINE_IDTENTRY_DEBUG(exc_debug) { - unsigned long dr6, dr7; - - debug_enter(&dr6, &dr7); - exc_debug_kernel(regs, dr6); - debug_exit(dr7); + exc_debug_kernel(regs, debug_read_clear_dr6()); } /* User entry, runs on regular task stack */ DEFINE_IDTENTRY_DEBUG_USER(exc_debug) { - unsigned long dr6, dr7; - - debug_enter(&dr6, &dr7); - exc_debug_user(regs, dr6); - debug_exit(dr7); + exc_debug_user(regs, debug_read_clear_dr6()); } #else /* 32 bit does not have separate entry points. */ DEFINE_IDTENTRY_RAW(exc_debug) { - unsigned long dr6, dr7; - - debug_enter(&dr6, &dr7); + unsigned long dr6 = debug_read_clear_dr6(); if (user_mode(regs)) exc_debug_user(regs, dr6); else exc_debug_kernel(regs, dr6); - - debug_exit(dr7); } #endif diff --git a/arch/x86/kernel/uprobes.c b/arch/x86/kernel/uprobes.c index 15e5aad8ac2c1d..3fdaa042823d02 100644 --- a/arch/x86/kernel/uprobes.c +++ b/arch/x86/kernel/uprobes.c @@ -735,7 +735,7 @@ static int branch_setup_xol_ops(struct arch_uprobe *auprobe, struct insn *insn) * OPCODE1() of the "short" jmp which checks the same condition. */ opc1 = OPCODE2(insn) - 0x10; - /* fall through */ + fallthrough; default: if (!is_cond_jmp_opcode(opc1)) return -ENOSYS; @@ -892,7 +892,7 @@ int arch_uprobe_analyze_insn(struct arch_uprobe *auprobe, struct mm_struct *mm, fix_ip_or_call = 0; break; } - /* fall through */ + fallthrough; default: riprel_analyze(auprobe, &insn); } diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c index d0e2825ae6174c..2f6510de6b0c03 100644 --- a/arch/x86/kvm/emulate.c +++ b/arch/x86/kvm/emulate.c @@ -2505,9 +2505,14 @@ static int rsm_load_state_32(struct x86_emulate_ctxt *ctxt, *reg_write(ctxt, i) = GET_SMSTATE(u32, smstate, 0x7fd0 + i * 4); val = GET_SMSTATE(u32, smstate, 0x7fcc); - ctxt->ops->set_dr(ctxt, 6, (val & DR6_VOLATILE) | DR6_FIXED_1); + + if (ctxt->ops->set_dr(ctxt, 6, (val & DR6_VOLATILE) | DR6_FIXED_1)) + return X86EMUL_UNHANDLEABLE; + val = GET_SMSTATE(u32, smstate, 0x7fc8); - ctxt->ops->set_dr(ctxt, 7, (val & DR7_VOLATILE) | DR7_FIXED_1); + + if (ctxt->ops->set_dr(ctxt, 7, (val & DR7_VOLATILE) | DR7_FIXED_1)) + return X86EMUL_UNHANDLEABLE; selector = GET_SMSTATE(u32, smstate, 0x7fc4); set_desc_base(&desc, GET_SMSTATE(u32, smstate, 0x7f64)); @@ -2560,16 +2565,23 @@ static int rsm_load_state_64(struct x86_emulate_ctxt *ctxt, ctxt->eflags = GET_SMSTATE(u32, smstate, 0x7f70) | X86_EFLAGS_FIXED; val = GET_SMSTATE(u32, smstate, 0x7f68); - ctxt->ops->set_dr(ctxt, 6, (val & DR6_VOLATILE) | DR6_FIXED_1); + + if (ctxt->ops->set_dr(ctxt, 6, (val & DR6_VOLATILE) | DR6_FIXED_1)) + return X86EMUL_UNHANDLEABLE; + val = GET_SMSTATE(u32, smstate, 0x7f60); - ctxt->ops->set_dr(ctxt, 7, (val & DR7_VOLATILE) | DR7_FIXED_1); + + if (ctxt->ops->set_dr(ctxt, 7, (val & DR7_VOLATILE) | DR7_FIXED_1)) + return X86EMUL_UNHANDLEABLE; cr0 = GET_SMSTATE(u64, smstate, 0x7f58); cr3 = GET_SMSTATE(u64, smstate, 0x7f50); cr4 = GET_SMSTATE(u64, smstate, 0x7f48); ctxt->ops->set_smbase(ctxt, GET_SMSTATE(u32, smstate, 0x7f00)); val = GET_SMSTATE(u64, smstate, 0x7ed0); - ctxt->ops->set_msr(ctxt, MSR_EFER, val & ~EFER_LMA); + + if (ctxt->ops->set_msr(ctxt, MSR_EFER, val & ~EFER_LMA)) + return X86EMUL_UNHANDLEABLE; selector = GET_SMSTATE(u32, smstate, 0x7e90); rsm_set_desc_flags(&desc, GET_SMSTATE(u32, smstate, 0x7e92) << 8); @@ -3016,7 +3028,7 @@ static void string_registers_quirk(struct x86_emulate_ctxt *ctxt) case 0xa4: /* movsb */ case 0xa5: /* movsd/w */ *reg_rmw(ctxt, VCPU_REGS_RSI) &= (u32)-1; - /* fall through */ + fallthrough; case 0xaa: /* stosb */ case 0xab: /* stosd/w */ *reg_rmw(ctxt, VCPU_REGS_RDI) &= (u32)-1; diff --git a/arch/x86/kvm/hyperv.c b/arch/x86/kvm/hyperv.c index 814d3aee5ceff1..1d330564eed8ca 100644 --- a/arch/x86/kvm/hyperv.c +++ b/arch/x86/kvm/hyperv.c @@ -1779,7 +1779,7 @@ int kvm_hv_hypercall(struct kvm_vcpu *vcpu) ret = kvm_hvcall_signal_event(vcpu, fast, ingpa); if (ret != HV_STATUS_INVALID_PORT_ID) break; - /* fall through - maybe userspace knows this conn_id. */ + fallthrough; /* maybe userspace knows this conn_id */ case HVCALL_POST_MESSAGE: /* don't bother userspace if it has no way to handle it */ if (unlikely(rep || !vcpu_to_synic(vcpu)->active)) { diff --git a/arch/x86/kvm/irq_comm.c b/arch/x86/kvm/irq_comm.c index c47d2acec52934..4aa1c2e00e2abb 100644 --- a/arch/x86/kvm/irq_comm.c +++ b/arch/x86/kvm/irq_comm.c @@ -285,7 +285,7 @@ int kvm_set_routing_entry(struct kvm *kvm, switch (ue->u.irqchip.irqchip) { case KVM_IRQCHIP_PIC_SLAVE: e->irqchip.pin += PIC_NUM_PINS / 2; - /* fall through */ + fallthrough; case KVM_IRQCHIP_PIC_MASTER: if (ue->u.irqchip.pin >= PIC_NUM_PINS / 2) return -EINVAL; diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c index 5ccbee7165a215..35cca2e0c80269 100644 --- a/arch/x86/kvm/lapic.c +++ b/arch/x86/kvm/lapic.c @@ -1053,7 +1053,7 @@ static int __apic_accept_irq(struct kvm_lapic *apic, int delivery_mode, switch (delivery_mode) { case APIC_DM_LOWEST: vcpu->arch.apic_arb_prio++; - /* fall through */ + fallthrough; case APIC_DM_FIXED: if (unlikely(trig_mode && !level)) break; @@ -1341,7 +1341,7 @@ static u32 __apic_read(struct kvm_lapic *apic, unsigned int offset) break; case APIC_TASKPRI: report_tpr_access(apic, false); - /* fall thru */ + fallthrough; default: val = kvm_lapic_get_reg(apic, offset); break; @@ -2027,7 +2027,7 @@ int kvm_lapic_reg_write(struct kvm_lapic *apic, u32 reg, u32 val) case APIC_LVT0: apic_manage_nmi_watchdog(apic, val); - /* fall through */ + fallthrough; case APIC_LVTTHMR: case APIC_LVTPC: case APIC_LVT1: diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c index a5d0207e71897a..71aa3da2a0b7b0 100644 --- a/arch/x86/kvm/mmu/mmu.c +++ b/arch/x86/kvm/mmu/mmu.c @@ -2469,7 +2469,7 @@ static struct kvm_mmu_page *kvm_mmu_get_page(struct kvm_vcpu *vcpu, } if (sp->unsync_children) - kvm_make_request(KVM_REQ_TLB_FLUSH_CURRENT, vcpu); + kvm_make_request(KVM_REQ_MMU_SYNC, vcpu); __clear_sp_write_flooding_count(sp); @@ -4422,7 +4422,7 @@ __reset_rsvds_bits_mask(struct kvm_vcpu *vcpu, rsvd_bits(maxphyaddr, 51); rsvd_check->rsvd_bits_mask[1][4] = rsvd_check->rsvd_bits_mask[0][4]; - /* fall through */ + fallthrough; case PT64_ROOT_4LEVEL: rsvd_check->rsvd_bits_mask[0][3] = exb_bit_rsvd | nonleaf_bit8_rsvd | rsvd_bits(7, 7) | diff --git a/arch/x86/kvm/svm/nested.c b/arch/x86/kvm/svm/nested.c index fb68467e60496a..e90bc436f5849b 100644 --- a/arch/x86/kvm/svm/nested.c +++ b/arch/x86/kvm/svm/nested.c @@ -586,7 +586,6 @@ int nested_svm_vmexit(struct vcpu_svm *svm) svm->vcpu.arch.mp_state = KVM_MP_STATE_RUNNABLE; /* Give the current vmcb to the guest */ - svm_set_gif(svm, false); nested_vmcb->save.es = vmcb->save.es; nested_vmcb->save.cs = vmcb->save.cs; @@ -632,6 +631,9 @@ int nested_svm_vmexit(struct vcpu_svm *svm) /* Restore the original control entries */ copy_vmcb_control_area(&vmcb->control, &hsave->control); + /* On vmexit the GIF is set to false */ + svm_set_gif(svm, false); + svm->vmcb->control.tsc_offset = svm->vcpu.arch.tsc_offset = svm->vcpu.arch.l1_tsc_offset; @@ -1132,6 +1134,9 @@ static int svm_set_nested_state(struct kvm_vcpu *vcpu, load_nested_vmcb_control(svm, &ctl); nested_prepare_vmcb_control(svm); + if (!nested_svm_vmrun_msrpm(svm)) + return -EINVAL; + out_set_gif: svm_set_gif(svm, !!(kvm_state->flags & KVM_STATE_NESTED_GIF_SET)); return 0; diff --git a/arch/x86/kvm/svm/sev.c b/arch/x86/kvm/svm/sev.c index 402dc4234e3978..7bf7bf73497948 100644 --- a/arch/x86/kvm/svm/sev.c +++ b/arch/x86/kvm/svm/sev.c @@ -1106,6 +1106,7 @@ void sev_vm_destroy(struct kvm *kvm) list_for_each_safe(pos, q, head) { __unregister_enc_region_locked(kvm, list_entry(pos, struct enc_region, list)); + cond_resched(); } } diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c index 03dd7bac803488..91ea74ae71b85d 100644 --- a/arch/x86/kvm/svm/svm.c +++ b/arch/x86/kvm/svm/svm.c @@ -2183,6 +2183,12 @@ static int iret_interception(struct vcpu_svm *svm) return 1; } +static int invd_interception(struct vcpu_svm *svm) +{ + /* Treat an INVD instruction as a NOP and just skip it. */ + return kvm_skip_emulated_instruction(&svm->vcpu); +} + static int invlpg_interception(struct vcpu_svm *svm) { if (!static_cpu_has(X86_FEATURE_DECODEASSISTS)) @@ -2668,7 +2674,7 @@ static int svm_set_msr(struct kvm_vcpu *vcpu, struct msr_data *msr) case MSR_IA32_APICBASE: if (kvm_vcpu_apicv_active(vcpu)) avic_update_vapic_bar(to_svm(vcpu), data); - /* Fall through */ + fallthrough; default: return kvm_set_msr_common(vcpu, msr); } @@ -2774,7 +2780,7 @@ static int (*const svm_exit_handlers[])(struct vcpu_svm *svm) = { [SVM_EXIT_RDPMC] = rdpmc_interception, [SVM_EXIT_CPUID] = cpuid_interception, [SVM_EXIT_IRET] = iret_interception, - [SVM_EXIT_INVD] = emulate_on_interception, + [SVM_EXIT_INVD] = invd_interception, [SVM_EXIT_PAUSE] = pause_interception, [SVM_EXIT_HLT] = halt_interception, [SVM_EXIT_INVLPG] = invlpg_interception, @@ -2938,8 +2944,6 @@ static int handle_exit(struct kvm_vcpu *vcpu, fastpath_t exit_fastpath) if (npt_enabled) vcpu->arch.cr3 = svm->vmcb->save.cr3; - svm_complete_interrupts(svm); - if (is_guest_mode(vcpu)) { int vmexit; @@ -3504,7 +3508,6 @@ static __no_kcsan fastpath_t svm_vcpu_run(struct kvm_vcpu *vcpu) stgi(); /* Any pending NMI will happen here */ - exit_fastpath = svm_exit_handlers_fastpath(vcpu); if (unlikely(svm->vmcb->control.exit_code == SVM_EXIT_NMI)) kvm_after_interrupt(&svm->vcpu); @@ -3518,6 +3521,7 @@ static __no_kcsan fastpath_t svm_vcpu_run(struct kvm_vcpu *vcpu) } svm->vmcb->control.tlb_ctl = TLB_CONTROL_DO_NOTHING; + vmcb_mark_all_clean(svm->vmcb); /* if exit due to PF check for async PF */ if (svm->vmcb->control.exit_code == SVM_EXIT_EXCP_BASE + PF_VECTOR) @@ -3537,7 +3541,8 @@ static __no_kcsan fastpath_t svm_vcpu_run(struct kvm_vcpu *vcpu) SVM_EXIT_EXCP_BASE + MC_VECTOR)) svm_handle_mce(svm); - vmcb_mark_all_clean(svm->vmcb); + svm_complete_interrupts(svm); + exit_fastpath = svm_exit_handlers_fastpath(vcpu); return exit_fastpath; } @@ -3900,21 +3905,28 @@ static int svm_pre_enter_smm(struct kvm_vcpu *vcpu, char *smstate) static int svm_pre_leave_smm(struct kvm_vcpu *vcpu, const char *smstate) { struct vcpu_svm *svm = to_svm(vcpu); - struct vmcb *nested_vmcb; struct kvm_host_map map; - u64 guest; - u64 vmcb; int ret = 0; - guest = GET_SMSTATE(u64, smstate, 0x7ed8); - vmcb = GET_SMSTATE(u64, smstate, 0x7ee0); + if (guest_cpuid_has(vcpu, X86_FEATURE_LM)) { + u64 saved_efer = GET_SMSTATE(u64, smstate, 0x7ed0); + u64 guest = GET_SMSTATE(u64, smstate, 0x7ed8); + u64 vmcb = GET_SMSTATE(u64, smstate, 0x7ee0); - if (guest) { - if (kvm_vcpu_map(&svm->vcpu, gpa_to_gfn(vmcb), &map) == -EINVAL) - return 1; - nested_vmcb = map.hva; - ret = enter_svm_guest_mode(svm, vmcb, nested_vmcb); - kvm_vcpu_unmap(&svm->vcpu, &map, true); + if (guest) { + if (!guest_cpuid_has(vcpu, X86_FEATURE_SVM)) + return 1; + + if (!(saved_efer & EFER_SVME)) + return 1; + + if (kvm_vcpu_map(&svm->vcpu, + gpa_to_gfn(vmcb), &map) == -EINVAL) + return 1; + + ret = enter_svm_guest_mode(svm, vmcb, map.hva); + kvm_vcpu_unmap(&svm->vcpu, &map, true); + } } return ret; diff --git a/arch/x86/kvm/vmx/nested.c b/arch/x86/kvm/vmx/nested.c index 23b58c28a1c926..1bb6b31eb64666 100644 --- a/arch/x86/kvm/vmx/nested.c +++ b/arch/x86/kvm/vmx/nested.c @@ -4404,6 +4404,14 @@ void nested_vmx_vmexit(struct kvm_vcpu *vcpu, u32 vm_exit_reason, if (kvm_check_request(KVM_REQ_TLB_FLUSH_CURRENT, vcpu)) kvm_vcpu_flush_tlb_current(vcpu); + /* + * VCPU_EXREG_PDPTR will be clobbered in arch/x86/kvm/vmx/vmx.h between + * now and the new vmentry. Ensure that the VMCS02 PDPTR fields are + * up-to-date before switching to L1. + */ + if (enable_ept && is_pae_paging(vcpu)) + vmx_ept_load_pdptrs(vcpu); + leave_guest_mode(vcpu); if (nested_cpu_has_preemption_timer(vmcs12)) @@ -4668,7 +4676,7 @@ void nested_vmx_pmu_entry_exit_ctls_update(struct kvm_vcpu *vcpu) vmx->nested.msrs.entry_ctls_high &= ~VM_ENTRY_LOAD_IA32_PERF_GLOBAL_CTRL; vmx->nested.msrs.exit_ctls_high &= - ~VM_ENTRY_LOAD_IA32_PERF_GLOBAL_CTRL; + ~VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL; } } diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c index 46ba2e03a8926d..96979c09ebd18f 100644 --- a/arch/x86/kvm/vmx/vmx.c +++ b/arch/x86/kvm/vmx/vmx.c @@ -129,6 +129,9 @@ static bool __read_mostly enable_preemption_timer = 1; module_param_named(preemption_timer, enable_preemption_timer, bool, S_IRUGO); #endif +extern bool __read_mostly allow_smaller_maxphyaddr; +module_param(allow_smaller_maxphyaddr, bool, S_IRUGO); + #define KVM_VM_CR0_ALWAYS_OFF (X86_CR0_NW | X86_CR0_CD) #define KVM_VM_CR0_ALWAYS_ON_UNRESTRICTED_GUEST X86_CR0_NE #define KVM_VM_CR0_ALWAYS_ON \ @@ -791,6 +794,18 @@ void update_exception_bitmap(struct kvm_vcpu *vcpu) */ if (is_guest_mode(vcpu)) eb |= get_vmcs12(vcpu)->exception_bitmap; + else { + /* + * If EPT is enabled, #PF is only trapped if MAXPHYADDR is mismatched + * between guest and host. In that case we only care about present + * faults. For vmcs02, however, PFEC_MASK and PFEC_MATCH are set in + * prepare_vmcs02_rare. + */ + bool selective_pf_trap = enable_ept && (eb & (1u << PF_VECTOR)); + int mask = selective_pf_trap ? PFERR_PRESENT_MASK : 0; + vmcs_write32(PAGE_FAULT_ERROR_CODE_MASK, mask); + vmcs_write32(PAGE_FAULT_ERROR_CODE_MATCH, mask); + } vmcs_write32(EXCEPTION_BITMAP, eb); } @@ -2971,7 +2986,7 @@ static void vmx_flush_tlb_guest(struct kvm_vcpu *vcpu) vpid_sync_context(to_vmx(vcpu)->vpid); } -static void ept_load_pdptrs(struct kvm_vcpu *vcpu) +void vmx_ept_load_pdptrs(struct kvm_vcpu *vcpu) { struct kvm_mmu *mmu = vcpu->arch.walk_mmu; @@ -3114,7 +3129,7 @@ static void vmx_load_mmu_pgd(struct kvm_vcpu *vcpu, unsigned long pgd, guest_cr3 = vcpu->arch.cr3; else /* vmcs01.GUEST_CR3 is already up-to-date. */ update_guest_cr3 = false; - ept_load_pdptrs(vcpu); + vmx_ept_load_pdptrs(vcpu); } else { guest_cr3 = pgd; } @@ -4352,16 +4367,6 @@ static void init_vmcs(struct vcpu_vmx *vmx) vmx->pt_desc.guest.output_mask = 0x7F; vmcs_write64(GUEST_IA32_RTIT_CTL, 0); } - - /* - * If EPT is enabled, #PF is only trapped if MAXPHYADDR is mismatched - * between guest and host. In that case we only care about present - * faults. - */ - if (enable_ept) { - vmcs_write32(PAGE_FAULT_ERROR_CODE_MASK, PFERR_PRESENT_MASK); - vmcs_write32(PAGE_FAULT_ERROR_CODE_MATCH, PFERR_PRESENT_MASK); - } } static void vmx_vcpu_reset(struct kvm_vcpu *vcpu, bool init_event) @@ -4654,7 +4659,7 @@ static bool rmode_exception(struct kvm_vcpu *vcpu, int vec) vmcs_read32(VM_EXIT_INSTRUCTION_LEN); if (vcpu->guest_debug & KVM_GUESTDBG_USE_SW_BP) return false; - /* fall through */ + fallthrough; case DB_VECTOR: return !(vcpu->guest_debug & (KVM_GUESTDBG_SINGLESTEP | KVM_GUESTDBG_USE_HW_BP)); @@ -4803,6 +4808,7 @@ static int handle_exception_nmi(struct kvm_vcpu *vcpu) * EPT will cause page fault only if we need to * detect illegal GPAs. */ + WARN_ON_ONCE(!allow_smaller_maxphyaddr); kvm_fixup_and_inject_pf_error(vcpu, cr2, error_code); return 1; } else @@ -4827,7 +4833,7 @@ static int handle_exception_nmi(struct kvm_vcpu *vcpu) } kvm_run->debug.arch.dr6 = dr6 | DR6_FIXED_1 | DR6_RTM; kvm_run->debug.arch.dr7 = vmcs_readl(GUEST_DR7); - /* fall through */ + fallthrough; case BP_VECTOR: /* * Update instruction length as we may reinject #BP from @@ -5257,7 +5263,7 @@ static int handle_task_switch(struct kvm_vcpu *vcpu) error_code = vmcs_read32(IDT_VECTORING_ERROR_CODE); } - /* fall through */ + fallthrough; case INTR_TYPE_SOFT_EXCEPTION: kvm_clear_exception_queue(vcpu); break; @@ -5331,7 +5337,7 @@ static int handle_ept_violation(struct kvm_vcpu *vcpu) * would also use advanced VM-exit information for EPT violations to * reconstruct the page fault error code. */ - if (unlikely(kvm_mmu_is_illegal_gpa(vcpu, gpa))) + if (unlikely(allow_smaller_maxphyaddr && kvm_mmu_is_illegal_gpa(vcpu, gpa))) return kvm_emulate_instruction(vcpu, 0); return kvm_mmu_page_fault(vcpu, gpa, error_code, NULL, 0); @@ -5610,7 +5616,7 @@ static int handle_invpcid(struct kvm_vcpu *vcpu) * keeping track of global entries in shadow page tables. */ - /* fall-through */ + fallthrough; case INVPCID_TYPE_ALL_INCL_GLOBAL: kvm_mmu_unload(vcpu); return kvm_skip_emulated_instruction(vcpu); @@ -6054,6 +6060,7 @@ static int vmx_handle_exit(struct kvm_vcpu *vcpu, fastpath_t exit_fastpath) (exit_reason != EXIT_REASON_EXCEPTION_NMI && exit_reason != EXIT_REASON_EPT_VIOLATION && exit_reason != EXIT_REASON_PML_FULL && + exit_reason != EXIT_REASON_APIC_ACCESS && exit_reason != EXIT_REASON_TASK_SWITCH)) { vcpu->run->exit_reason = KVM_EXIT_INTERNAL_ERROR; vcpu->run->internal.suberror = KVM_INTERNAL_ERROR_DELIVERY_EV; @@ -6578,7 +6585,7 @@ static void __vmx_complete_interrupts(struct kvm_vcpu *vcpu, break; case INTR_TYPE_SOFT_EXCEPTION: vcpu->arch.event_exit_inst_len = vmcs_read32(instr_len_field); - /* fall through */ + fallthrough; case INTR_TYPE_HARD_EXCEPTION: if (idt_vectoring_info & VECTORING_INFO_DELIVER_CODE_MASK) { u32 err = vmcs_read32(error_code_field); @@ -6588,7 +6595,7 @@ static void __vmx_complete_interrupts(struct kvm_vcpu *vcpu, break; case INTR_TYPE_SOFT_INTR: vcpu->arch.event_exit_inst_len = vmcs_read32(instr_len_field); - /* fall through */ + fallthrough; case INTR_TYPE_EXT_INTR: kvm_queue_interrupt(vcpu, vector, type == INTR_TYPE_SOFT_INTR); break; @@ -8304,11 +8311,12 @@ static int __init vmx_init(void) vmx_check_vmcs12_offsets(); /* - * Intel processors don't have problems with - * GUEST_MAXPHYADDR < HOST_MAXPHYADDR so enable - * it for VMX by default + * Shadow paging doesn't have a (further) performance penalty + * from GUEST_MAXPHYADDR < HOST_MAXPHYADDR so enable it + * by default */ - allow_smaller_maxphyaddr = true; + if (!enable_ept) + allow_smaller_maxphyaddr = true; return 0; } diff --git a/arch/x86/kvm/vmx/vmx.h b/arch/x86/kvm/vmx/vmx.h index 26175a4759fa5f..a0e47720f60cdf 100644 --- a/arch/x86/kvm/vmx/vmx.h +++ b/arch/x86/kvm/vmx/vmx.h @@ -356,6 +356,7 @@ void vmx_update_host_rsp(struct vcpu_vmx *vmx, unsigned long host_rsp); int vmx_find_msr_index(struct vmx_msrs *m, u32 msr); int vmx_handle_memory_failure(struct kvm_vcpu *vcpu, int r, struct x86_exception *e); +void vmx_ept_load_pdptrs(struct kvm_vcpu *vcpu); #define POSTED_INTR_ON 0 #define POSTED_INTR_SN 1 @@ -551,7 +552,10 @@ static inline bool vmx_has_waitpkg(struct vcpu_vmx *vmx) static inline bool vmx_need_pf_intercept(struct kvm_vcpu *vcpu) { - return !enable_ept || cpuid_maxphyaddr(vcpu) < boot_cpu_data.x86_phys_bits; + if (!enable_ept) + return true; + + return allow_smaller_maxphyaddr && cpuid_maxphyaddr(vcpu) < boot_cpu_data.x86_phys_bits; } void dump_vmcs(void); diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 33945283fe07dd..ce856e0ece8449 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -188,7 +188,7 @@ static struct kvm_shared_msrs __percpu *shared_msrs; u64 __read_mostly host_efer; EXPORT_SYMBOL_GPL(host_efer); -bool __read_mostly allow_smaller_maxphyaddr; +bool __read_mostly allow_smaller_maxphyaddr = 0; EXPORT_SYMBOL_GPL(allow_smaller_maxphyaddr); static u64 __read_mostly host_xss; @@ -976,6 +976,7 @@ int kvm_set_cr4(struct kvm_vcpu *vcpu, unsigned long cr4) unsigned long old_cr4 = kvm_read_cr4(vcpu); unsigned long pdptr_bits = X86_CR4_PGE | X86_CR4_PSE | X86_CR4_PAE | X86_CR4_SMEP; + unsigned long mmu_role_bits = pdptr_bits | X86_CR4_SMAP | X86_CR4_PKE; if (kvm_valid_cr4(vcpu, cr4)) return 1; @@ -1003,7 +1004,7 @@ int kvm_set_cr4(struct kvm_vcpu *vcpu, unsigned long cr4) if (kvm_x86_ops.set_cr4(vcpu, cr4)) return 1; - if (((cr4 ^ old_cr4) & pdptr_bits) || + if (((cr4 ^ old_cr4) & mmu_role_bits) || (!(cr4 & X86_CR4_PCIDE) && (old_cr4 & X86_CR4_PCIDE))) kvm_mmu_reset_context(vcpu); @@ -1116,14 +1117,12 @@ static int __kvm_set_dr(struct kvm_vcpu *vcpu, int dr, unsigned long val) vcpu->arch.eff_db[dr] = val; break; case 4: - /* fall through */ case 6: if (!kvm_dr6_valid(val)) return -1; /* #GP */ vcpu->arch.dr6 = (val & DR6_VOLATILE) | kvm_dr6_fixed(vcpu); break; case 5: - /* fall through */ default: /* 7 */ if (!kvm_dr7_valid(val)) return -1; /* #GP */ @@ -1154,12 +1153,10 @@ int kvm_get_dr(struct kvm_vcpu *vcpu, int dr, unsigned long *val) *val = vcpu->arch.db[array_index_nospec(dr, size)]; break; case 4: - /* fall through */ case 6: *val = vcpu->arch.dr6; break; case 5: - /* fall through */ default: /* 7 */ *val = vcpu->arch.dr7; break; @@ -2735,7 +2732,7 @@ static int kvm_pv_enable_async_pf(struct kvm_vcpu *vcpu, u64 data) return 1; if (!lapic_in_kernel(vcpu)) - return 1; + return data ? 1 : 0; vcpu->arch.apf.msr_en_val = data; @@ -3051,7 +3048,8 @@ int kvm_set_msr_common(struct kvm_vcpu *vcpu, struct msr_data *msr_info) case MSR_K7_PERFCTR0 ... MSR_K7_PERFCTR3: case MSR_P6_PERFCTR0 ... MSR_P6_PERFCTR1: - pr = true; /* fall through */ + pr = true; + fallthrough; case MSR_K7_EVNTSEL0 ... MSR_K7_EVNTSEL3: case MSR_P6_EVNTSEL0 ... MSR_P6_EVNTSEL1: if (kvm_pmu_is_valid_msr(vcpu, msr)) @@ -3224,9 +3222,22 @@ int kvm_get_msr_common(struct kvm_vcpu *vcpu, struct msr_data *msr_info) case MSR_IA32_POWER_CTL: msr_info->data = vcpu->arch.msr_ia32_power_ctl; break; - case MSR_IA32_TSC: - msr_info->data = kvm_scale_tsc(vcpu, rdtsc()) + vcpu->arch.tsc_offset; + case MSR_IA32_TSC: { + /* + * Intel SDM states that MSR_IA32_TSC read adds the TSC offset + * even when not intercepted. AMD manual doesn't explicitly + * state this but appears to behave the same. + * + * On userspace reads and writes, however, we unconditionally + * operate L1's TSC value to ensure backwards-compatible + * behavior for migration. + */ + u64 tsc_offset = msr_info->host_initiated ? vcpu->arch.l1_tsc_offset : + vcpu->arch.tsc_offset; + + msr_info->data = kvm_scale_tsc(vcpu, rdtsc()) + tsc_offset; break; + } case MSR_MTRRcap: case 0x200 ... 0x2ff: return kvm_mtrr_get_msr(vcpu, msr_info->index, &msr_info->data); @@ -3581,6 +3592,9 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext) case KVM_CAP_SMALLER_MAXPHYADDR: r = (int) allow_smaller_maxphyaddr; break; + case KVM_CAP_STEAL_TIME: + r = sched_info_on(); + break; default: break; } @@ -4359,7 +4373,7 @@ static int kvm_vcpu_ioctl_enable_cap(struct kvm_vcpu *vcpu, case KVM_CAP_HYPERV_SYNIC2: if (cap->args[0]) return -EINVAL; - /* fall through */ + fallthrough; case KVM_CAP_HYPERV_SYNIC: if (!irqchip_in_kernel(vcpu->kvm)) @@ -8672,7 +8686,7 @@ static inline int vcpu_block(struct kvm *kvm, struct kvm_vcpu *vcpu) vcpu->arch.pv.pv_unhalted = false; vcpu->arch.mp_state = KVM_MP_STATE_RUNNABLE; - /* fall through */ + fallthrough; case KVM_MP_STATE_RUNNABLE: vcpu->arch.apf.halted = false; break; diff --git a/arch/x86/lib/Makefile b/arch/x86/lib/Makefile index d46fff11f06fa3..aa067859a70b64 100644 --- a/arch/x86/lib/Makefile +++ b/arch/x86/lib/Makefile @@ -24,7 +24,7 @@ ifdef CONFIG_FUNCTION_TRACER CFLAGS_REMOVE_cmdline.o = -pg endif -CFLAGS_cmdline.o := -fno-stack-protector +CFLAGS_cmdline.o := -fno-stack-protector -fno-jump-tables endif inat_tables_script = $(srctree)/arch/x86/tools/gen-insn-attr-x86.awk diff --git a/arch/x86/lib/cmdline.c b/arch/x86/lib/cmdline.c index 4f1719e22d3cb4..b6da0933930859 100644 --- a/arch/x86/lib/cmdline.c +++ b/arch/x86/lib/cmdline.c @@ -58,7 +58,7 @@ __cmdline_find_option_bool(const char *cmdline, int max_cmdline_size, state = st_wordcmp; opptr = option; wstart = pos; - /* fall through */ + fallthrough; case st_wordcmp: if (!*opptr) { @@ -89,7 +89,7 @@ __cmdline_find_option_bool(const char *cmdline, int max_cmdline_size, break; } state = st_wordskip; - /* fall through */ + fallthrough; case st_wordskip: if (!c) @@ -151,7 +151,7 @@ __cmdline_find_option(const char *cmdline, int max_cmdline_size, state = st_wordcmp; opptr = option; - /* fall through */ + fallthrough; case st_wordcmp: if ((c == '=') && !*opptr) { @@ -172,7 +172,7 @@ __cmdline_find_option(const char *cmdline, int max_cmdline_size, break; } state = st_wordskip; - /* fall through */ + fallthrough; case st_wordskip: if (myisspace(c)) diff --git a/arch/x86/lib/insn-eval.c b/arch/x86/lib/insn-eval.c index 31600d851fd8e3..5e69603ff63ffa 100644 --- a/arch/x86/lib/insn-eval.c +++ b/arch/x86/lib/insn-eval.c @@ -179,7 +179,7 @@ static int resolve_default_seg(struct insn *insn, struct pt_regs *regs, int off) if (insn->addr_bytes == 2) return -EINVAL; - /* fall through */ + fallthrough; case -EDOM: case offsetof(struct pt_regs, bx): @@ -362,7 +362,6 @@ static short get_segment_selector(struct pt_regs *regs, int seg_reg_idx) case INAT_SEG_REG_GS: return vm86regs->gs; case INAT_SEG_REG_IGNORE: - /* fall through */ default: return -EINVAL; } @@ -386,7 +385,6 @@ static short get_segment_selector(struct pt_regs *regs, int seg_reg_idx) */ return get_user_gs(regs); case INAT_SEG_REG_IGNORE: - /* fall through */ default: return -EINVAL; } @@ -786,7 +784,7 @@ int insn_get_code_seg_params(struct pt_regs *regs) */ return INSN_CODE_SEG_PARAMS(4, 8); case 3: /* Invalid setting. CS.L=1, CS.D=1 */ - /* fall through */ + fallthrough; default: return -EINVAL; } diff --git a/arch/x86/lib/usercopy_64.c b/arch/x86/lib/usercopy_64.c index b0dfac3d3df712..1847e993ac63a6 100644 --- a/arch/x86/lib/usercopy_64.c +++ b/arch/x86/lib/usercopy_64.c @@ -120,7 +120,7 @@ long __copy_user_flushcache(void *dst, const void __user *src, unsigned size) */ if (size < 8) { if (!IS_ALIGNED(dest, 4) || size != 4) - clean_cache_range(dst, 1); + clean_cache_range(dst, size); } else { if (!IS_ALIGNED(dest, 8)) { dest = ALIGN(dest, boot_cpu_data.x86_clflush_size); diff --git a/arch/x86/math-emu/errors.c b/arch/x86/math-emu/errors.c index 73dc66d887f354..ec071cbb080432 100644 --- a/arch/x86/math-emu/errors.c +++ b/arch/x86/math-emu/errors.c @@ -186,7 +186,7 @@ void FPU_printall(void) case TAG_Special: /* Update tagi for the printk below */ tagi = FPU_Special(r); - /* fall through */ + fallthrough; case TAG_Valid: printk("st(%d) %c .%04lx %04lx %04lx %04lx e%+-6d ", i, getsign(r) ? '-' : '+', diff --git a/arch/x86/math-emu/fpu_trig.c b/arch/x86/math-emu/fpu_trig.c index 127ea54122d75f..4a9887851ad8ab 100644 --- a/arch/x86/math-emu/fpu_trig.c +++ b/arch/x86/math-emu/fpu_trig.c @@ -1352,7 +1352,7 @@ static void fyl2xp1(FPU_REG *st0_ptr, u_char st0_tag) case TW_Denormal: if (denormal_operand() < 0) return; - /* fall through */ + fallthrough; case TAG_Zero: case TAG_Valid: setsign(st0_ptr, getsign(st0_ptr) ^ getsign(st1_ptr)); diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c index 35f1498e98324f..6e3e8a12490311 100644 --- a/arch/x86/mm/fault.c +++ b/arch/x86/mm/fault.c @@ -190,6 +190,53 @@ static inline pmd_t *vmalloc_sync_one(pgd_t *pgd, unsigned long address) return pmd_k; } +/* + * Handle a fault on the vmalloc or module mapping area + * + * This is needed because there is a race condition between the time + * when the vmalloc mapping code updates the PMD to the point in time + * where it synchronizes this update with the other page-tables in the + * system. + * + * In this race window another thread/CPU can map an area on the same + * PMD, finds it already present and does not synchronize it with the + * rest of the system yet. As a result v[mz]alloc might return areas + * which are not mapped in every page-table in the system, causing an + * unhandled page-fault when they are accessed. + */ +static noinline int vmalloc_fault(unsigned long address) +{ + unsigned long pgd_paddr; + pmd_t *pmd_k; + pte_t *pte_k; + + /* Make sure we are in vmalloc area: */ + if (!(address >= VMALLOC_START && address < VMALLOC_END)) + return -1; + + /* + * Synchronize this task's top level page-table + * with the 'reference' page table. + * + * Do _not_ use "current" here. We might be inside + * an interrupt in the middle of a task switch.. + */ + pgd_paddr = read_cr3_pa(); + pmd_k = vmalloc_sync_one(__va(pgd_paddr), address); + if (!pmd_k) + return -1; + + if (pmd_large(*pmd_k)) + return 0; + + pte_k = pte_offset_kernel(pmd_k, address); + if (!pte_present(*pte_k)) + return -1; + + return 0; +} +NOKPROBE_SYMBOL(vmalloc_fault); + void arch_sync_kernel_mappings(unsigned long start, unsigned long end) { unsigned long addr; @@ -1110,6 +1157,37 @@ do_kern_addr_fault(struct pt_regs *regs, unsigned long hw_error_code, */ WARN_ON_ONCE(hw_error_code & X86_PF_PK); +#ifdef CONFIG_X86_32 + /* + * We can fault-in kernel-space virtual memory on-demand. The + * 'reference' page table is init_mm.pgd. + * + * NOTE! We MUST NOT take any locks for this case. We may + * be in an interrupt or a critical region, and should + * only copy the information from the master page table, + * nothing more. + * + * Before doing this on-demand faulting, ensure that the + * fault is not any of the following: + * 1. A fault on a PTE with a reserved bit set. + * 2. A fault caused by a user-mode access. (Do not demand- + * fault kernel memory due to user-mode accesses). + * 3. A fault caused by a page-level protection violation. + * (A demand fault would be on a non-present page which + * would have X86_PF_PROT==0). + * + * This is only needed to close a race condition on x86-32 in + * the vmalloc mapping/unmapping code. See the comment above + * vmalloc_fault() for details. On x86-64 the race does not + * exist as the vmalloc mappings don't need to be synchronized + * there. + */ + if (!(hw_error_code & (X86_PF_RSVD | X86_PF_USER | X86_PF_PROT))) { + if (vmalloc_fault(address) >= 0) + return; + } +#endif + /* Was the fault spurious, caused by lazy TLB invalidation? */ if (spurious_kernel_fault(hw_error_code, address)) return; diff --git a/arch/x86/mm/ioremap.c b/arch/x86/mm/ioremap.c index 84d85dbd1dad6f..9e5ccc56f8e077 100644 --- a/arch/x86/mm/ioremap.c +++ b/arch/x86/mm/ioremap.c @@ -574,7 +574,7 @@ static bool memremap_should_map_decrypted(resource_size_t phys_addr, /* For SEV, these areas are encrypted */ if (sev_active()) break; - /* Fallthrough */ + fallthrough; case E820_TYPE_PRAM: return true; diff --git a/arch/x86/mm/numa_emulation.c b/arch/x86/mm/numa_emulation.c index c5174b4e318b48..683cd12f479389 100644 --- a/arch/x86/mm/numa_emulation.c +++ b/arch/x86/mm/numa_emulation.c @@ -321,7 +321,7 @@ static int __init split_nodes_size_interleave(struct numa_meminfo *ei, u64 addr, u64 max_addr, u64 size) { return split_nodes_size_interleave_uniform(ei, pi, addr, max_addr, size, - 0, NULL, NUMA_NO_NODE); + 0, NULL, 0); } static int __init setup_emu2phys_nid(int *dfl_phys_nid) diff --git a/arch/xtensa/kernel/signal.c b/arch/xtensa/kernel/signal.c index 76cee341507b73..b3b17d6c50f079 100644 --- a/arch/xtensa/kernel/signal.c +++ b/arch/xtensa/kernel/signal.c @@ -448,7 +448,7 @@ static void do_signal(struct pt_regs *regs) regs->areg[2] = -EINTR; break; } - /* fallthrough */ + fallthrough; case -ERESTARTNOINTR: regs->areg[2] = regs->syscall; regs->pc -= 3; diff --git a/block/badblocks.c b/block/badblocks.c index 2e5f5697db358a..d39056630d9c1d 100644 --- a/block/badblocks.c +++ b/block/badblocks.c @@ -525,7 +525,7 @@ ssize_t badblocks_store(struct badblocks *bb, const char *page, size_t len, case 3: if (newline != '\n') return -EINVAL; - /* fall through */ + fallthrough; case 2: if (length <= 0) return -EINVAL; diff --git a/block/bfq-cgroup.c b/block/bfq-cgroup.c index 68882b9b8f11fa..b791e2041e49b3 100644 --- a/block/bfq-cgroup.c +++ b/block/bfq-cgroup.c @@ -332,7 +332,7 @@ static void bfqg_put(struct bfq_group *bfqg) kfree(bfqg); } -void bfqg_and_blkg_get(struct bfq_group *bfqg) +static void bfqg_and_blkg_get(struct bfq_group *bfqg) { /* see comments in bfq_bic_update_cgroup for why refcounting bfqg */ bfqg_get(bfqg); diff --git a/block/bfq-iosched.c b/block/bfq-iosched.c index a4c0bec920cbde..fa98470df3f0a3 100644 --- a/block/bfq-iosched.c +++ b/block/bfq-iosched.c @@ -4980,7 +4980,7 @@ bfq_set_next_ioprio_data(struct bfq_queue *bfqq, struct bfq_io_cq *bic) pr_err("bdi %s: bfq: bad prio class %d\n", bdi_dev_name(bfqq->bfqd->queue->backing_dev_info), ioprio_class); - /* fall through */ + fallthrough; case IOPRIO_CLASS_NONE: /* * No prio set, inherit CPU scheduling settings. @@ -5112,7 +5112,7 @@ static struct bfq_queue **bfq_async_queue_prio(struct bfq_data *bfqd, return &bfqg->async_bfqq[0][ioprio]; case IOPRIO_CLASS_NONE: ioprio = IOPRIO_NORM; - /* fall through */ + fallthrough; case IOPRIO_CLASS_BE: return &bfqg->async_bfqq[1][ioprio]; case IOPRIO_CLASS_IDLE: @@ -5896,18 +5896,6 @@ static void bfq_finish_requeue_request(struct request *rq) struct bfq_data *bfqd; /* - * Requeue and finish hooks are invoked in blk-mq without - * checking whether the involved request is actually still - * referenced in the scheduler. To handle this fact, the - * following two checks make this function exit in case of - * spurious invocations, for which there is nothing to do. - * - * First, check whether rq has nothing to do with an elevator. - */ - if (unlikely(!(rq->rq_flags & RQF_ELVPRIV))) - return; - - /* * rq either is not associated with any icq, or is an already * requeued request that has not (yet) been re-inserted into * a bfq_queue. diff --git a/block/bfq-iosched.h b/block/bfq-iosched.h index cd224aaf9f52a5..703895224562c6 100644 --- a/block/bfq-iosched.h +++ b/block/bfq-iosched.h @@ -986,7 +986,6 @@ struct bfq_group *bfq_find_set_group(struct bfq_data *bfqd, struct blkcg_gq *bfqg_to_blkg(struct bfq_group *bfqg); struct bfq_group *bfqq_group(struct bfq_queue *bfqq); struct bfq_group *bfq_create_group_hierarchy(struct bfq_data *bfqd, int node); -void bfqg_and_blkg_get(struct bfq_group *bfqg); void bfqg_and_blkg_put(struct bfq_group *bfqg); #ifdef CONFIG_BFQ_GROUP_IOSCHED diff --git a/block/bfq-wf2q.c b/block/bfq-wf2q.c index eb0e2a6daabe63..26776bdbdf360c 100644 --- a/block/bfq-wf2q.c +++ b/block/bfq-wf2q.c @@ -533,9 +533,7 @@ static void bfq_get_entity(struct bfq_entity *entity) bfqq->ref++; bfq_log_bfqq(bfqq->bfqd, bfqq, "get_entity: %p %d", bfqq, bfqq->ref); - } else - bfqg_and_blkg_get(container_of(entity, struct bfq_group, - entity)); + } } /** @@ -649,14 +647,8 @@ static void bfq_forget_entity(struct bfq_service_tree *st, entity->on_st_or_in_serv = false; st->wsum -= entity->weight; - if (is_in_service) - return; - - if (bfqq) + if (bfqq && !is_in_service) bfq_put_queue(bfqq); - else - bfqg_and_blkg_put(container_of(entity, struct bfq_group, - entity)); } /** diff --git a/block/bio.c b/block/bio.c index c63ba04bd62967..e865ea55b9f9a2 100644 --- a/block/bio.c +++ b/block/bio.c @@ -740,8 +740,8 @@ static inline bool page_is_mergeable(const struct bio_vec *bv, struct page *page, unsigned int len, unsigned int off, bool *same_page) { - phys_addr_t vec_end_addr = page_to_phys(bv->bv_page) + - bv->bv_offset + bv->bv_len - 1; + size_t bv_end = bv->bv_offset + bv->bv_len; + phys_addr_t vec_end_addr = page_to_phys(bv->bv_page) + bv_end - 1; phys_addr_t page_addr = page_to_phys(page); if (vec_end_addr + 1 != page_addr + off) @@ -750,9 +750,9 @@ static inline bool page_is_mergeable(const struct bio_vec *bv, return false; *same_page = ((vec_end_addr & PAGE_MASK) == page_addr); - if (!*same_page && pfn_to_page(PFN_DOWN(vec_end_addr)) + 1 != page) - return false; - return true; + if (*same_page) + return true; + return (bv->bv_page + bv_end / PAGE_SIZE) == (page + off / PAGE_SIZE); } /* @@ -879,8 +879,10 @@ bool __bio_try_merge_page(struct bio *bio, struct page *page, struct bio_vec *bv = &bio->bi_io_vec[bio->bi_vcnt - 1]; if (page_is_mergeable(bv, page, len, off, same_page)) { - if (bio->bi_iter.bi_size > UINT_MAX - len) + if (bio->bi_iter.bi_size > UINT_MAX - len) { + *same_page = false; return false; + } bv->bv_len += len; bio->bi_iter.bi_size += len; return true; diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c index 619a79b51068cd..c195365c98172e 100644 --- a/block/blk-cgroup.c +++ b/block/blk-cgroup.c @@ -1152,13 +1152,15 @@ int blkcg_init_queue(struct request_queue *q) if (preloaded) radix_tree_preload_end(); - ret = blk_iolatency_init(q); + ret = blk_throtl_init(q); if (ret) goto err_destroy_all; - ret = blk_throtl_init(q); - if (ret) + ret = blk_iolatency_init(q); + if (ret) { + blk_throtl_exit(q); goto err_destroy_all; + } return 0; err_destroy_all: diff --git a/block/blk-core.c b/block/blk-core.c index d9d632639bd185..10c08ac5069788 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -539,6 +539,7 @@ struct request_queue *blk_alloc_queue(int node_id) goto fail_stats; q->backing_dev_info->ra_pages = VM_READAHEAD_PAGES; + q->backing_dev_info->io_pages = VM_READAHEAD_PAGES; q->backing_dev_info->capabilities = BDI_CAP_CGROUP_WRITEBACK; q->node = node_id; diff --git a/block/blk-iocost.c b/block/blk-iocost.c index 413e0b5c8e6b08..d37b55db240991 100644 --- a/block/blk-iocost.c +++ b/block/blk-iocost.c @@ -2092,14 +2092,15 @@ static void ioc_pd_free(struct blkg_policy_data *pd) { struct ioc_gq *iocg = pd_to_iocg(pd); struct ioc *ioc = iocg->ioc; + unsigned long flags; if (ioc) { - spin_lock(&ioc->lock); + spin_lock_irqsave(&ioc->lock, flags); if (!list_empty(&iocg->active_list)) { propagate_active_weight(iocg, 0, 0); list_del_init(&iocg->active_list); } - spin_unlock(&ioc->lock); + spin_unlock_irqrestore(&ioc->lock, flags); hrtimer_cancel(&iocg->waitq_timer); hrtimer_cancel(&iocg->delay_timer); diff --git a/block/blk-merge.c b/block/blk-merge.c index 6529e3aab00118..f685d633bcc9b0 100644 --- a/block/blk-merge.c +++ b/block/blk-merge.c @@ -154,7 +154,7 @@ static inline unsigned get_max_io_size(struct request_queue *q, if (max_sectors > start_offset) return max_sectors - start_offset; - return sectors & (lbs - 1); + return sectors & ~(lbs - 1); } static inline unsigned get_max_segment_size(const struct request_queue *q, @@ -533,10 +533,17 @@ int __blk_rq_map_sg(struct request_queue *q, struct request *rq, } EXPORT_SYMBOL(__blk_rq_map_sg); +static inline unsigned int blk_rq_get_max_segments(struct request *rq) +{ + if (req_op(rq) == REQ_OP_DISCARD) + return queue_max_discard_segments(rq->q); + return queue_max_segments(rq->q); +} + static inline int ll_new_hw_segment(struct request *req, struct bio *bio, unsigned int nr_phys_segs) { - if (req->nr_phys_segments + nr_phys_segs > queue_max_segments(req->q)) + if (req->nr_phys_segments + nr_phys_segs > blk_rq_get_max_segments(req)) goto no_merge; if (blk_integrity_merge_bio(req->q, req, bio) == false) @@ -624,7 +631,7 @@ static int ll_merge_requests_fn(struct request_queue *q, struct request *req, return 0; total_phys_segments = req->nr_phys_segments + next->nr_phys_segments; - if (total_phys_segments > queue_max_segments(q)) + if (total_phys_segments > blk_rq_get_max_segments(req)) return 0; if (blk_integrity_merge_rq(q, req, next) == false) diff --git a/block/blk-mq-sched.c b/block/blk-mq-sched.c index a19cdf159b7536..d2790e5b06d148 100644 --- a/block/blk-mq-sched.c +++ b/block/blk-mq-sched.c @@ -78,6 +78,15 @@ void blk_mq_sched_restart(struct blk_mq_hw_ctx *hctx) return; clear_bit(BLK_MQ_S_SCHED_RESTART, &hctx->state); + /* + * Order clearing SCHED_RESTART and list_empty_careful(&hctx->dispatch) + * in blk_mq_run_hw_queue(). Its pair is the barrier in + * blk_mq_dispatch_rq_list(). So dispatch code won't see SCHED_RESTART, + * meantime new request added to hctx->dispatch is missed to check in + * blk_mq_run_hw_queue(). + */ + smp_mb(); + blk_mq_run_hw_queue(hctx, true); } diff --git a/block/blk-mq-sched.h b/block/blk-mq-sched.h index 126021fc3a11f9..e81ca1bf6e10b6 100644 --- a/block/blk-mq-sched.h +++ b/block/blk-mq-sched.h @@ -66,7 +66,7 @@ static inline void blk_mq_sched_requeue_request(struct request *rq) struct request_queue *q = rq->q; struct elevator_queue *e = q->elevator; - if (e && e->type->ops.requeue_request) + if ((rq->rq_flags & RQF_ELVPRIV) && e && e->type->ops.requeue_request) e->type->ops.requeue_request(rq); } diff --git a/block/blk-mq.c b/block/blk-mq.c index 0015a1892153ad..cdced4aca2e812 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -1412,6 +1412,11 @@ out: hctx->dispatched[queued_to_index(queued)]++; + /* If we didn't flush the entire list, we could have told the driver + * there was more coming, but that turned out to be a lie. + */ + if ((!list_empty(list) || errors) && q->mq_ops->commit_rqs && queued) + q->mq_ops->commit_rqs(hctx); /* * Any items that need requeuing? Stuff them into hctx->dispatch, * that is where we will continue on next queue run. @@ -1425,19 +1430,20 @@ out: blk_mq_release_budgets(q, nr_budgets); - /* - * If we didn't flush the entire list, we could have told - * the driver there was more coming, but that turned out to - * be a lie. - */ - if (q->mq_ops->commit_rqs && queued) - q->mq_ops->commit_rqs(hctx); - spin_lock(&hctx->lock); list_splice_tail_init(list, &hctx->dispatch); spin_unlock(&hctx->lock); /* + * Order adding requests to hctx->dispatch and checking + * SCHED_RESTART flag. The pair of this smp_mb() is the one + * in blk_mq_sched_restart(). Avoid restart code path to + * miss the new added requests to hctx->dispatch, meantime + * SCHED_RESTART is observed here. + */ + smp_mb(); + + /* * If SCHED_RESTART was set by the caller of this function and * it is no longer set that means that it was cleared by another * thread and hence that a queue rerun is needed. @@ -1834,6 +1840,7 @@ void __blk_mq_insert_request(struct blk_mq_hw_ctx *hctx, struct request *rq, /** * blk_mq_request_bypass_insert - Insert a request at dispatch list. * @rq: Pointer to request to be inserted. + * @at_head: true if the request should be inserted at the head of the list. * @run_queue: If we should run the hardware queue after inserting the request. * * Should only be used carefully, when the caller knows we want to @@ -2016,7 +2023,8 @@ insert: if (bypass_insert) return BLK_STS_RESOURCE; - blk_mq_request_bypass_insert(rq, false, run_queue); + blk_mq_sched_insert_request(rq, false, run_queue, false); + return BLK_STS_OK; } @@ -2068,6 +2076,7 @@ void blk_mq_try_issue_list_directly(struct blk_mq_hw_ctx *hctx, struct list_head *list) { int queued = 0; + int errors = 0; while (!list_empty(list)) { blk_status_t ret; @@ -2084,6 +2093,7 @@ void blk_mq_try_issue_list_directly(struct blk_mq_hw_ctx *hctx, break; } blk_mq_end_request(rq, ret); + errors++; } else queued++; } @@ -2093,7 +2103,8 @@ void blk_mq_try_issue_list_directly(struct blk_mq_hw_ctx *hctx, * the driver there was more coming, but that turned out to * be a lie. */ - if (!list_empty(list) && hctx->queue->mq_ops->commit_rqs && queued) + if ((!list_empty(list) || errors) && + hctx->queue->mq_ops->commit_rqs && queued) hctx->queue->mq_ops->commit_rqs(hctx); } diff --git a/block/blk-settings.c b/block/blk-settings.c index 76a7e03bcd6cac..34b721a2743afd 100644 --- a/block/blk-settings.c +++ b/block/blk-settings.c @@ -801,6 +801,52 @@ bool blk_queue_can_use_dma_map_merging(struct request_queue *q, } EXPORT_SYMBOL_GPL(blk_queue_can_use_dma_map_merging); +/** + * blk_queue_set_zoned - configure a disk queue zoned model. + * @disk: the gendisk of the queue to configure + * @model: the zoned model to set + * + * Set the zoned model of the request queue of @disk according to @model. + * When @model is BLK_ZONED_HM (host managed), this should be called only + * if zoned block device support is enabled (CONFIG_BLK_DEV_ZONED option). + * If @model specifies BLK_ZONED_HA (host aware), the effective model used + * depends on CONFIG_BLK_DEV_ZONED settings and on the existence of partitions + * on the disk. + */ +void blk_queue_set_zoned(struct gendisk *disk, enum blk_zoned_model model) +{ + switch (model) { + case BLK_ZONED_HM: + /* + * Host managed devices are supported only if + * CONFIG_BLK_DEV_ZONED is enabled. + */ + WARN_ON_ONCE(!IS_ENABLED(CONFIG_BLK_DEV_ZONED)); + break; + case BLK_ZONED_HA: + /* + * Host aware devices can be treated either as regular block + * devices (similar to drive managed devices) or as zoned block + * devices to take advantage of the zone command set, similarly + * to host managed devices. We try the latter if there are no + * partitions and zoned block device support is enabled, else + * we do nothing special as far as the block layer is concerned. + */ + if (!IS_ENABLED(CONFIG_BLK_DEV_ZONED) || + disk_has_partitions(disk)) + model = BLK_ZONED_NONE; + break; + case BLK_ZONED_NONE: + default: + if (WARN_ON_ONCE(model != BLK_ZONED_NONE)) + model = BLK_ZONED_NONE; + break; + } + + disk->queue->limits.zoned = model; +} +EXPORT_SYMBOL_GPL(blk_queue_set_zoned); + static int __init blk_settings_init(void) { blk_max_low_pfn = max_low_pfn - 1; diff --git a/block/blk-stat.c b/block/blk-stat.c index 7da302ff88d0d5..ae3dd1fb8e61d7 100644 --- a/block/blk-stat.c +++ b/block/blk-stat.c @@ -137,6 +137,7 @@ void blk_stat_add_callback(struct request_queue *q, struct blk_stat_callback *cb) { unsigned int bucket; + unsigned long flags; int cpu; for_each_possible_cpu(cpu) { @@ -147,20 +148,22 @@ void blk_stat_add_callback(struct request_queue *q, blk_rq_stat_init(&cpu_stat[bucket]); } - spin_lock(&q->stats->lock); + spin_lock_irqsave(&q->stats->lock, flags); list_add_tail_rcu(&cb->list, &q->stats->callbacks); blk_queue_flag_set(QUEUE_FLAG_STATS, q); - spin_unlock(&q->stats->lock); + spin_unlock_irqrestore(&q->stats->lock, flags); } void blk_stat_remove_callback(struct request_queue *q, struct blk_stat_callback *cb) { - spin_lock(&q->stats->lock); + unsigned long flags; + + spin_lock_irqsave(&q->stats->lock, flags); list_del_rcu(&cb->list); if (list_empty(&q->stats->callbacks) && !q->stats->enable_accounting) blk_queue_flag_clear(QUEUE_FLAG_STATS, q); - spin_unlock(&q->stats->lock); + spin_unlock_irqrestore(&q->stats->lock, flags); del_timer_sync(&cb->timer); } @@ -183,10 +186,12 @@ void blk_stat_free_callback(struct blk_stat_callback *cb) void blk_stat_enable_accounting(struct request_queue *q) { - spin_lock(&q->stats->lock); + unsigned long flags; + + spin_lock_irqsave(&q->stats->lock, flags); q->stats->enable_accounting = true; blk_queue_flag_set(QUEUE_FLAG_STATS, q); - spin_unlock(&q->stats->lock); + spin_unlock_irqrestore(&q->stats->lock, flags); } EXPORT_SYMBOL_GPL(blk_stat_enable_accounting); diff --git a/block/blk-wbt.c b/block/blk-wbt.c index 0fa615eefd5263..fd410086fe1de5 100644 --- a/block/blk-wbt.c +++ b/block/blk-wbt.c @@ -528,7 +528,7 @@ static inline bool wbt_should_throttle(struct rq_wb *rwb, struct bio *bio) if ((bio->bi_opf & (REQ_SYNC | REQ_IDLE)) == (REQ_SYNC | REQ_IDLE)) return false; - /* fallthrough */ + fallthrough; case REQ_OP_DISCARD: return true; default: diff --git a/block/bsg-lib.c b/block/bsg-lib.c index fb7b347f80105b..d185396d88bbc5 100644 --- a/block/bsg-lib.c +++ b/block/bsg-lib.c @@ -378,7 +378,7 @@ struct request_queue *bsg_setup_queue(struct device *dev, const char *name, bset->timeout_fn = timeout; set = &bset->tag_set; - set->ops = &bsg_mq_ops, + set->ops = &bsg_mq_ops; set->nr_hw_queues = 1; set->queue_depth = 128; set->numa_node = NUMA_NO_NODE; diff --git a/block/ioprio.c b/block/ioprio.c index 77bcab11dce579..04ebd37966f181 100644 --- a/block/ioprio.c +++ b/block/ioprio.c @@ -71,7 +71,7 @@ int ioprio_check_cap(int ioprio) case IOPRIO_CLASS_RT: if (!capable(CAP_SYS_ADMIN)) return -EPERM; - /* fall through */ + fallthrough; /* rt has prio field too */ case IOPRIO_CLASS_BE: if (data >= IOPRIO_BE_NR || data < 0) diff --git a/block/partitions/core.c b/block/partitions/core.c index e62a98a8eeb750..722406b841dfc7 100644 --- a/block/partitions/core.c +++ b/block/partitions/core.c @@ -278,6 +278,15 @@ static void hd_struct_free_work(struct work_struct *work) { struct hd_struct *part = container_of(to_rcu_work(work), struct hd_struct, rcu_work); + struct gendisk *disk = part_to_disk(part); + + /* + * Release the disk reference acquired in delete_partition here. + * We can't release it in hd_struct_free because the final put_device + * needs process context and thus can't be run directly from a + * percpu_ref ->release handler. + */ + put_device(disk_to_dev(disk)); part->start_sect = 0; part->nr_sects = 0; @@ -293,7 +302,6 @@ static void hd_struct_free(struct percpu_ref *ref) rcu_dereference_protected(disk->part_tbl, 1); rcu_assign_pointer(ptbl->last_lookup, NULL); - put_device(disk_to_dev(disk)); INIT_RCU_WORK(&part->rcu_work, hd_struct_free_work); queue_rcu_work(system_wq, &part->rcu_work); @@ -524,19 +532,20 @@ int bdev_add_partition(struct block_device *bdev, int partno, int bdev_del_partition(struct block_device *bdev, int partno) { struct block_device *bdevp; - struct hd_struct *part; - int ret = 0; + struct hd_struct *part = NULL; + int ret; - part = disk_get_part(bdev->bd_disk, partno); - if (!part) - return -ENXIO; - - ret = -ENOMEM; - bdevp = bdget(part_devt(part)); + bdevp = bdget_disk(bdev->bd_disk, partno); if (!bdevp) - goto out_put_part; + return -ENXIO; mutex_lock(&bdevp->bd_mutex); + mutex_lock_nested(&bdev->bd_mutex, 1); + + ret = -ENXIO; + part = disk_get_part(bdev->bd_disk, partno); + if (!part) + goto out_unlock; ret = -EBUSY; if (bdevp->bd_openers) @@ -545,16 +554,14 @@ int bdev_del_partition(struct block_device *bdev, int partno) sync_blockdev(bdevp); invalidate_bdev(bdevp); - mutex_lock_nested(&bdev->bd_mutex, 1); delete_partition(bdev->bd_disk, part); - mutex_unlock(&bdev->bd_mutex); - ret = 0; out_unlock: + mutex_unlock(&bdev->bd_mutex); mutex_unlock(&bdevp->bd_mutex); bdput(bdevp); -out_put_part: - disk_put_part(part); + if (part) + disk_put_part(part); return ret; } diff --git a/block/partitions/ibm.c b/block/partitions/ibm.c index d6e18df9c53c6d..4b044e620d3534 100644 --- a/block/partitions/ibm.c +++ b/block/partitions/ibm.c @@ -305,8 +305,6 @@ int ibm_partition(struct parsed_partitions *state) if (!disk->fops->getgeo) goto out_exit; fn = symbol_get(dasd_biodasdinfo); - if (!fn) - goto out_exit; blocksize = bdev_logical_block_size(bdev); if (blocksize <= 0) goto out_symbol; @@ -326,7 +324,7 @@ int ibm_partition(struct parsed_partitions *state) geo->start = get_start_sect(bdev); if (disk->fops->getgeo(bdev, geo)) goto out_freeall; - if (fn(disk, info)) { + if (!fn || fn(disk, info)) { kfree(info); info = NULL; } @@ -370,7 +368,8 @@ out_nolab: out_nogeo: kfree(info); out_symbol: - symbol_put(dasd_biodasdinfo); + if (fn) + symbol_put(dasd_biodasdinfo); out_exit: return res; } diff --git a/block/scsi_ioctl.c b/block/scsi_ioctl.c index ef722f04f88a93..72108404718fe7 100644 --- a/block/scsi_ioctl.c +++ b/block/scsi_ioctl.c @@ -651,6 +651,7 @@ struct compat_cdrom_generic_command { compat_int_t stat; compat_caddr_t sense; unsigned char data_direction; + unsigned char pad[3]; compat_int_t quiet; compat_int_t timeout; compat_caddr_t reserved[1]; diff --git a/crypto/af_alg.c b/crypto/af_alg.c index a6f581ab200c12..8be8bec07cdd2c 100644 --- a/crypto/af_alg.c +++ b/crypto/af_alg.c @@ -16,6 +16,7 @@ #include <linux/module.h> #include <linux/net.h> #include <linux/rwsem.h> +#include <linux/sched.h> #include <linux/sched/signal.h> #include <linux/security.h> @@ -845,9 +846,15 @@ int af_alg_sendmsg(struct socket *sock, struct msghdr *msg, size_t size, } lock_sock(sk); - if (ctx->init && (init || !ctx->more)) { - err = -EINVAL; - goto unlock; + if (ctx->init && !ctx->more) { + if (ctx->used) { + err = -EINVAL; + goto unlock; + } + + pr_info_once( + "%s sent an empty control message without MSG_MORE.\n", + current->comm); } ctx->init = true; diff --git a/crypto/drbg.c b/crypto/drbg.c index e99fe34cfa0054..3132967a174972 100644 --- a/crypto/drbg.c +++ b/crypto/drbg.c @@ -1521,7 +1521,7 @@ static int drbg_prepare_hrng(struct drbg_state *drbg) case -EALREADY: err = 0; - /* fall through */ + fallthrough; default: drbg->random_ready.func = NULL; diff --git a/crypto/tcrypt.c b/crypto/tcrypt.c index ba0b7702f2e91b..12e82a61b8961c 100644 --- a/crypto/tcrypt.c +++ b/crypto/tcrypt.c @@ -2348,121 +2348,121 @@ static int do_test(const char *alg, u32 type, u32 mask, int m, u32 num_mb) test_hash_speed(alg, sec, generic_hash_speed_template); break; } - /* fall through */ + fallthrough; case 301: test_hash_speed("md4", sec, generic_hash_speed_template); if (mode > 300 && mode < 400) break; - /* fall through */ + fallthrough; case 302: test_hash_speed("md5", sec, generic_hash_speed_template); if (mode > 300 && mode < 400) break; - /* fall through */ + fallthrough; case 303: test_hash_speed("sha1", sec, generic_hash_speed_template); if (mode > 300 && mode < 400) break; - /* fall through */ + fallthrough; case 304: test_hash_speed("sha256", sec, generic_hash_speed_template); if (mode > 300 && mode < 400) break; - /* fall through */ + fallthrough; case 305: test_hash_speed("sha384", sec, generic_hash_speed_template); if (mode > 300 && mode < 400) break; - /* fall through */ + fallthrough; case 306: test_hash_speed("sha512", sec, generic_hash_speed_template); if (mode > 300 && mode < 400) break; - /* fall through */ + fallthrough; case 307: test_hash_speed("wp256", sec, generic_hash_speed_template); if (mode > 300 && mode < 400) break; - /* fall through */ + fallthrough; case 308: test_hash_speed("wp384", sec, generic_hash_speed_template); if (mode > 300 && mode < 400) break; - /* fall through */ + fallthrough; case 309: test_hash_speed("wp512", sec, generic_hash_speed_template); if (mode > 300 && mode < 400) break; - /* fall through */ + fallthrough; case 310: test_hash_speed("tgr128", sec, generic_hash_speed_template); if (mode > 300 && mode < 400) break; - /* fall through */ + fallthrough; case 311: test_hash_speed("tgr160", sec, generic_hash_speed_template); if (mode > 300 && mode < 400) break; - /* fall through */ + fallthrough; case 312: test_hash_speed("tgr192", sec, generic_hash_speed_template); if (mode > 300 && mode < 400) break; - /* fall through */ + fallthrough; case 313: test_hash_speed("sha224", sec, generic_hash_speed_template); if (mode > 300 && mode < 400) break; - /* fall through */ + fallthrough; case 314: test_hash_speed("rmd128", sec, generic_hash_speed_template); if (mode > 300 && mode < 400) break; - /* fall through */ + fallthrough; case 315: test_hash_speed("rmd160", sec, generic_hash_speed_template); if (mode > 300 && mode < 400) break; - /* fall through */ + fallthrough; case 316: test_hash_speed("rmd256", sec, generic_hash_speed_template); if (mode > 300 && mode < 400) break; - /* fall through */ + fallthrough; case 317: test_hash_speed("rmd320", sec, generic_hash_speed_template); if (mode > 300 && mode < 400) break; - /* fall through */ + fallthrough; case 318: test_hash_speed("ghash-generic", sec, hash_speed_template_16); if (mode > 300 && mode < 400) break; - /* fall through */ + fallthrough; case 319: test_hash_speed("crc32c", sec, generic_hash_speed_template); if (mode > 300 && mode < 400) break; - /* fall through */ + fallthrough; case 320: test_hash_speed("crct10dif", sec, generic_hash_speed_template); if (mode > 300 && mode < 400) break; - /* fall through */ + fallthrough; case 321: test_hash_speed("poly1305", sec, poly1305_speed_template); if (mode > 300 && mode < 400) break; - /* fall through */ + fallthrough; case 322: test_hash_speed("sha3-224", sec, generic_hash_speed_template); if (mode > 300 && mode < 400) break; - /* fall through */ + fallthrough; case 323: test_hash_speed("sha3-256", sec, generic_hash_speed_template); if (mode > 300 && mode < 400) break; - /* fall through */ + fallthrough; case 324: test_hash_speed("sha3-384", sec, generic_hash_speed_template); if (mode > 300 && mode < 400) break; - /* fall through */ + fallthrough; case 325: test_hash_speed("sha3-512", sec, generic_hash_speed_template); if (mode > 300 && mode < 400) break; - /* fall through */ + fallthrough; case 326: test_hash_speed("sm3", sec, generic_hash_speed_template); if (mode > 300 && mode < 400) break; - /* fall through */ + fallthrough; case 327: test_hash_speed("streebog256", sec, generic_hash_speed_template); if (mode > 300 && mode < 400) break; - /* fall through */ + fallthrough; case 328: test_hash_speed("streebog512", sec, generic_hash_speed_template); if (mode > 300 && mode < 400) break; - /* fall through */ + fallthrough; case 399: break; @@ -2471,121 +2471,121 @@ static int do_test(const char *alg, u32 type, u32 mask, int m, u32 num_mb) test_ahash_speed(alg, sec, generic_hash_speed_template); break; } - /* fall through */ + fallthrough; case 401: test_ahash_speed("md4", sec, generic_hash_speed_template); if (mode > 400 && mode < 500) break; - /* fall through */ + fallthrough; case 402: test_ahash_speed("md5", sec, generic_hash_speed_template); if (mode > 400 && mode < 500) break; - /* fall through */ + fallthrough; case 403: test_ahash_speed("sha1", sec, generic_hash_speed_template); if (mode > 400 && mode < 500) break; - /* fall through */ + fallthrough; case 404: test_ahash_speed("sha256", sec, generic_hash_speed_template); if (mode > 400 && mode < 500) break; - /* fall through */ + fallthrough; case 405: test_ahash_speed("sha384", sec, generic_hash_speed_template); if (mode > 400 && mode < 500) break; - /* fall through */ + fallthrough; case 406: test_ahash_speed("sha512", sec, generic_hash_speed_template); if (mode > 400 && mode < 500) break; - /* fall through */ + fallthrough; case 407: test_ahash_speed("wp256", sec, generic_hash_speed_template); if (mode > 400 && mode < 500) break; - /* fall through */ + fallthrough; case 408: test_ahash_speed("wp384", sec, generic_hash_speed_template); if (mode > 400 && mode < 500) break; - /* fall through */ + fallthrough; case 409: test_ahash_speed("wp512", sec, generic_hash_speed_template); if (mode > 400 && mode < 500) break; - /* fall through */ + fallthrough; case 410: test_ahash_speed("tgr128", sec, generic_hash_speed_template); if (mode > 400 && mode < 500) break; - /* fall through */ + fallthrough; case 411: test_ahash_speed("tgr160", sec, generic_hash_speed_template); if (mode > 400 && mode < 500) break; - /* fall through */ + fallthrough; case 412: test_ahash_speed("tgr192", sec, generic_hash_speed_template); if (mode > 400 && mode < 500) break; - /* fall through */ + fallthrough; case 413: test_ahash_speed("sha224", sec, generic_hash_speed_template); if (mode > 400 && mode < 500) break; - /* fall through */ + fallthrough; case 414: test_ahash_speed("rmd128", sec, generic_hash_speed_template); if (mode > 400 && mode < 500) break; - /* fall through */ + fallthrough; case 415: test_ahash_speed("rmd160", sec, generic_hash_speed_template); if (mode > 400 && mode < 500) break; - /* fall through */ + fallthrough; case 416: test_ahash_speed("rmd256", sec, generic_hash_speed_template); if (mode > 400 && mode < 500) break; - /* fall through */ + fallthrough; case 417: test_ahash_speed("rmd320", sec, generic_hash_speed_template); if (mode > 400 && mode < 500) break; - /* fall through */ + fallthrough; case 418: test_ahash_speed("sha3-224", sec, generic_hash_speed_template); if (mode > 400 && mode < 500) break; - /* fall through */ + fallthrough; case 419: test_ahash_speed("sha3-256", sec, generic_hash_speed_template); if (mode > 400 && mode < 500) break; - /* fall through */ + fallthrough; case 420: test_ahash_speed("sha3-384", sec, generic_hash_speed_template); if (mode > 400 && mode < 500) break; - /* fall through */ + fallthrough; case 421: test_ahash_speed("sha3-512", sec, generic_hash_speed_template); if (mode > 400 && mode < 500) break; - /* fall through */ + fallthrough; case 422: test_mb_ahash_speed("sha1", sec, generic_hash_speed_template, num_mb); if (mode > 400 && mode < 500) break; - /* fall through */ + fallthrough; case 423: test_mb_ahash_speed("sha256", sec, generic_hash_speed_template, num_mb); if (mode > 400 && mode < 500) break; - /* fall through */ + fallthrough; case 424: test_mb_ahash_speed("sha512", sec, generic_hash_speed_template, num_mb); if (mode > 400 && mode < 500) break; - /* fall through */ + fallthrough; case 425: test_mb_ahash_speed("sm3", sec, generic_hash_speed_template, num_mb); if (mode > 400 && mode < 500) break; - /* fall through */ + fallthrough; case 426: test_mb_ahash_speed("streebog256", sec, generic_hash_speed_template, num_mb); if (mode > 400 && mode < 500) break; - /* fall through */ + fallthrough; case 427: test_mb_ahash_speed("streebog512", sec, generic_hash_speed_template, num_mb); if (mode > 400 && mode < 500) break; - /* fall through */ + fallthrough; case 499: break; diff --git a/drivers/accessibility/braille/braille_console.c b/drivers/accessibility/braille/braille_console.c index c2b452af680684..9861302cc7dbb9 100644 --- a/drivers/accessibility/braille/braille_console.c +++ b/drivers/accessibility/braille/braille_console.c @@ -290,7 +290,7 @@ static int vt_notifier_call(struct notifier_block *blk, break; case '\t': c = ' '; - /* Fallthrough */ + fallthrough; default: if (c < 32) /* Ignore other control sequences */ diff --git a/drivers/accessibility/speakup/Kconfig b/drivers/accessibility/speakup/Kconfig index 0803c2013cf4d4..07ecbbde038412 100644 --- a/drivers/accessibility/speakup/Kconfig +++ b/drivers/accessibility/speakup/Kconfig @@ -42,6 +42,11 @@ config SPEAKUP one of the listed synthesizers, you should say n. if SPEAKUP + +config SPEAKUP_SERIALIO + def_bool y + depends on ISA || COMPILE_TEST + config SPEAKUP_SYNTH_ACNTSA tristate "Accent SA synthesizer support" help @@ -52,7 +57,7 @@ config SPEAKUP_SYNTH_ACNTSA config SPEAKUP_SYNTH_ACNTPC tristate "Accent PC synthesizer support" - depends on ISA || COMPILE_TEST + depends on SPEAKUP_SERIALIO help This is the Speakup driver for the accent pc synthesizer. You can say y to build it into the kernel, @@ -104,7 +109,7 @@ config SPEAKUP_SYNTH_DECEXT config SPEAKUP_SYNTH_DECPC depends on m - depends on ISA || COMPILE_TEST + depends on SPEAKUP_SERIALIO tristate "DECtalk PC (big ISA card) synthesizer support" help @@ -127,7 +132,7 @@ config SPEAKUP_SYNTH_DECPC config SPEAKUP_SYNTH_DTLK tristate "DoubleTalk PC synthesizer support" - depends on ISA || COMPILE_TEST + depends on SPEAKUP_SERIALIO help This is the Speakup driver for the internal DoubleTalk @@ -138,7 +143,7 @@ config SPEAKUP_SYNTH_DTLK config SPEAKUP_SYNTH_KEYPC tristate "Keynote Gold PC synthesizer support" - depends on ISA || COMPILE_TEST + depends on SPEAKUP_SERIALIO help This is the Speakup driver for the Keynote Gold diff --git a/drivers/accessibility/speakup/Makefile b/drivers/accessibility/speakup/Makefile index 5befb4933b850e..6e4bfac8af650d 100644 --- a/drivers/accessibility/speakup/Makefile +++ b/drivers/accessibility/speakup/Makefile @@ -25,8 +25,8 @@ speakup-y := \ keyhelp.o \ kobjects.o \ selection.o \ - serialio.o \ spk_ttyio.o \ synth.o \ thread.o \ varhandlers.o +speakup-$(CONFIG_SPEAKUP_SERIALIO) += serialio.o diff --git a/drivers/accessibility/speakup/serialio.c b/drivers/accessibility/speakup/serialio.c index 177a2988641c16..403b01d66367e6 100644 --- a/drivers/accessibility/speakup/serialio.c +++ b/drivers/accessibility/speakup/serialio.c @@ -32,6 +32,7 @@ static void spk_serial_tiocmset(unsigned int set, unsigned int clear); static unsigned char spk_serial_in(void); static unsigned char spk_serial_in_nowait(void); static void spk_serial_flush_buffer(void); +static int spk_serial_wait_for_xmitr(struct spk_synth *in_synth); struct spk_io_ops spk_serial_io_ops = { .synth_out = spk_serial_out, @@ -40,6 +41,7 @@ struct spk_io_ops spk_serial_io_ops = { .synth_in = spk_serial_in, .synth_in_nowait = spk_serial_in_nowait, .flush_buffer = spk_serial_flush_buffer, + .wait_for_xmitr = spk_serial_wait_for_xmitr, }; EXPORT_SYMBOL_GPL(spk_serial_io_ops); @@ -211,7 +213,7 @@ void spk_stop_serial_interrupt(void) } EXPORT_SYMBOL_GPL(spk_stop_serial_interrupt); -int spk_wait_for_xmitr(struct spk_synth *in_synth) +static int spk_serial_wait_for_xmitr(struct spk_synth *in_synth) { int tmout = SPK_XMITR_TIMEOUT; @@ -280,7 +282,7 @@ static void spk_serial_flush_buffer(void) static int spk_serial_out(struct spk_synth *in_synth, const char ch) { - if (in_synth->alive && spk_wait_for_xmitr(in_synth)) { + if (in_synth->alive && spk_serial_wait_for_xmitr(in_synth)) { outb_p(ch, speakup_info.port_tts); return 1; } @@ -295,7 +297,7 @@ const char *spk_serial_synth_immediate(struct spk_synth *synth, while ((ch = *buff)) { if (ch == '\n') ch = synth->procspeech; - if (spk_wait_for_xmitr(synth)) + if (spk_serial_wait_for_xmitr(synth)) outb(ch, speakup_info.port_tts); else return buff; diff --git a/drivers/accessibility/speakup/spk_priv.h b/drivers/accessibility/speakup/spk_priv.h index c75b4083879471..0f4bcbe5ddb939 100644 --- a/drivers/accessibility/speakup/spk_priv.h +++ b/drivers/accessibility/speakup/spk_priv.h @@ -34,7 +34,6 @@ const struct old_serial_port *spk_serial_init(int index); void spk_stop_serial_interrupt(void); -int spk_wait_for_xmitr(struct spk_synth *in_synth); void spk_serial_release(void); void spk_ttyio_release(void); void spk_ttyio_register_ldisc(void); diff --git a/drivers/accessibility/speakup/spk_ttyio.c b/drivers/accessibility/speakup/spk_ttyio.c index 9b95f77f926573..a831ff64f8ba57 100644 --- a/drivers/accessibility/speakup/spk_ttyio.c +++ b/drivers/accessibility/speakup/spk_ttyio.c @@ -116,6 +116,7 @@ static void spk_ttyio_tiocmset(unsigned int set, unsigned int clear); static unsigned char spk_ttyio_in(void); static unsigned char spk_ttyio_in_nowait(void); static void spk_ttyio_flush_buffer(void); +static int spk_ttyio_wait_for_xmitr(struct spk_synth *in_synth); struct spk_io_ops spk_ttyio_ops = { .synth_out = spk_ttyio_out, @@ -125,6 +126,7 @@ struct spk_io_ops spk_ttyio_ops = { .synth_in = spk_ttyio_in, .synth_in_nowait = spk_ttyio_in_nowait, .flush_buffer = spk_ttyio_flush_buffer, + .wait_for_xmitr = spk_ttyio_wait_for_xmitr, }; EXPORT_SYMBOL_GPL(spk_ttyio_ops); @@ -286,6 +288,11 @@ static void spk_ttyio_tiocmset(unsigned int set, unsigned int clear) mutex_unlock(&speakup_tty_mutex); } +static int spk_ttyio_wait_for_xmitr(struct spk_synth *in_synth) +{ + return 1; +} + static unsigned char ttyio_in(int timeout) { struct spk_ldisc_data *ldisc_data = speakup_tty->disc_data; diff --git a/drivers/accessibility/speakup/spk_types.h b/drivers/accessibility/speakup/spk_types.h index d3272c6d199aaa..7398f1196e1037 100644 --- a/drivers/accessibility/speakup/spk_types.h +++ b/drivers/accessibility/speakup/spk_types.h @@ -158,6 +158,7 @@ struct spk_io_ops { unsigned char (*synth_in)(void); unsigned char (*synth_in_nowait)(void); void (*flush_buffer)(void); + int (*wait_for_xmitr)(struct spk_synth *synth); }; struct spk_synth { diff --git a/drivers/accessibility/speakup/synth.c b/drivers/accessibility/speakup/synth.c index 3568bfb89912c3..ac47dbac72075d 100644 --- a/drivers/accessibility/speakup/synth.c +++ b/drivers/accessibility/speakup/synth.c @@ -159,7 +159,7 @@ int spk_synth_is_alive_restart(struct spk_synth *synth) { if (synth->alive) return 1; - if (spk_wait_for_xmitr(synth) > 0) { + if (synth->io_ops->wait_for_xmitr(synth) > 0) { /* restart */ synth->alive = 1; synth_printf("%s", synth->init); diff --git a/drivers/acpi/acpi_apd.c b/drivers/acpi/acpi_apd.c index 4c348377a39d87..806b8ce05624b1 100644 --- a/drivers/acpi/acpi_apd.c +++ b/drivers/acpi/acpi_apd.c @@ -99,8 +99,8 @@ static int fch_misc_setup(struct apd_private_data *pdata) if (ret < 0) return -ENOENT; - acpi_dev_get_property(adev, "is-rv", ACPI_TYPE_INTEGER, &obj); - clk_data->is_rv = obj->integer.value; + if (!acpi_dev_get_property(adev, "is-rv", ACPI_TYPE_INTEGER, &obj)) + clk_data->is_rv = obj->integer.value; list_for_each_entry(rentry, &resource_list, node) { clk_data->base = devm_ioremap(&adev->dev, rentry->res->start, diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c index 6ad8cb05f672fe..4a0b07792233ef 100644 --- a/drivers/acpi/osl.c +++ b/drivers/acpi/osl.c @@ -350,7 +350,7 @@ void __iomem __ref pg_off = round_down(phys, PAGE_SIZE); pg_sz = round_up(phys + size, PAGE_SIZE) - pg_off; - virt = acpi_map(pg_off, pg_sz); + virt = acpi_map(phys, size); if (!virt) { mutex_unlock(&acpi_ioremap_lock); kfree(map); @@ -358,7 +358,7 @@ void __iomem __ref } INIT_LIST_HEAD(&map->list); - map->virt = virt; + map->virt = (void __iomem __force *)((unsigned long)virt & PAGE_MASK); map->phys = pg_off; map->size = pg_sz; map->track.refcount = 1; @@ -1575,11 +1575,26 @@ static acpi_status acpi_deactivate_mem_region(acpi_handle handle, u32 level, acpi_status acpi_release_memory(acpi_handle handle, struct resource *res, u32 level) { + acpi_status status; + if (!(res->flags & IORESOURCE_MEM)) return AE_TYPE; - return acpi_walk_namespace(ACPI_TYPE_REGION, handle, level, - acpi_deactivate_mem_region, NULL, res, NULL); + status = acpi_walk_namespace(ACPI_TYPE_REGION, handle, level, + acpi_deactivate_mem_region, NULL, + res, NULL); + if (ACPI_FAILURE(status)) + return status; + + /* + * Wait for all of the mappings queued up for removal by + * acpi_deactivate_mem_region() to actually go away. + */ + synchronize_rcu(); + rcu_barrier(); + flush_scheduled_work(); + + return AE_OK; } EXPORT_SYMBOL_GPL(acpi_release_memory); diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c index 71a30b0d0f05a9..f66236cff69b02 100644 --- a/drivers/acpi/processor_idle.c +++ b/drivers/acpi/processor_idle.c @@ -161,18 +161,10 @@ static void lapic_timer_propagate_broadcast(struct acpi_processor *pr) } /* Power(C) State timer broadcast control */ -static void lapic_timer_state_broadcast(struct acpi_processor *pr, - struct acpi_processor_cx *cx, - int broadcast) +static bool lapic_timer_needs_broadcast(struct acpi_processor *pr, + struct acpi_processor_cx *cx) { - int state = cx - pr->power.states; - - if (state >= pr->power.timer_broadcast_on_state) { - if (broadcast) - tick_broadcast_enter(); - else - tick_broadcast_exit(); - } + return cx - pr->power.states >= pr->power.timer_broadcast_on_state; } #else @@ -180,10 +172,11 @@ static void lapic_timer_state_broadcast(struct acpi_processor *pr, static void lapic_timer_check_state(int state, struct acpi_processor *pr, struct acpi_processor_cx *cstate) { } static void lapic_timer_propagate_broadcast(struct acpi_processor *pr) { } -static void lapic_timer_state_broadcast(struct acpi_processor *pr, - struct acpi_processor_cx *cx, - int broadcast) + +static bool lapic_timer_needs_broadcast(struct acpi_processor *pr, + struct acpi_processor_cx *cx) { + return false; } #endif @@ -566,32 +559,43 @@ static DEFINE_RAW_SPINLOCK(c3_lock); /** * acpi_idle_enter_bm - enters C3 with proper BM handling + * @drv: cpuidle driver * @pr: Target processor * @cx: Target state context - * @timer_bc: Whether or not to change timer mode to broadcast + * @index: index of target state */ -static void acpi_idle_enter_bm(struct acpi_processor *pr, - struct acpi_processor_cx *cx, bool timer_bc) +static int acpi_idle_enter_bm(struct cpuidle_driver *drv, + struct acpi_processor *pr, + struct acpi_processor_cx *cx, + int index) { - acpi_unlazy_tlb(smp_processor_id()); - - /* - * Must be done before busmaster disable as we might need to - * access HPET ! - */ - if (timer_bc) - lapic_timer_state_broadcast(pr, cx, 1); + static struct acpi_processor_cx safe_cx = { + .entry_method = ACPI_CSTATE_HALT, + }; /* * disable bus master * bm_check implies we need ARB_DIS * bm_control implies whether we can do ARB_DIS * - * That leaves a case where bm_check is set and bm_control is - * not set. In that case we cannot do much, we enter C3 - * without doing anything. + * That leaves a case where bm_check is set and bm_control is not set. + * In that case we cannot do much, we enter C3 without doing anything. */ - if (pr->flags.bm_control) { + bool dis_bm = pr->flags.bm_control; + + /* If we can skip BM, demote to a safe state. */ + if (!cx->bm_sts_skip && acpi_idle_bm_check()) { + dis_bm = false; + index = drv->safe_state_index; + if (index >= 0) { + cx = this_cpu_read(acpi_cstate[index]); + } else { + cx = &safe_cx; + index = -EBUSY; + } + } + + if (dis_bm) { raw_spin_lock(&c3_lock); c3_cpu_count++; /* Disable bus master arbitration when all CPUs are in C3 */ @@ -600,18 +604,21 @@ static void acpi_idle_enter_bm(struct acpi_processor *pr, raw_spin_unlock(&c3_lock); } + rcu_idle_enter(); + acpi_idle_do_entry(cx); + rcu_idle_exit(); + /* Re-enable bus master arbitration */ - if (pr->flags.bm_control) { + if (dis_bm) { raw_spin_lock(&c3_lock); acpi_write_bit_register(ACPI_BITREG_ARB_DISABLE, 0); c3_cpu_count--; raw_spin_unlock(&c3_lock); } - if (timer_bc) - lapic_timer_state_broadcast(pr, cx, 0); + return index; } static int acpi_idle_enter(struct cpuidle_device *dev, @@ -625,32 +632,21 @@ static int acpi_idle_enter(struct cpuidle_device *dev, return -EINVAL; if (cx->type != ACPI_STATE_C1) { + if (cx->type == ACPI_STATE_C3 && pr->flags.bm_check) + return acpi_idle_enter_bm(drv, pr, cx, index); + + /* C2 to C1 demotion. */ if (acpi_idle_fallback_to_c1(pr) && num_online_cpus() > 1) { index = ACPI_IDLE_STATE_START; cx = per_cpu(acpi_cstate[index], dev->cpu); - } else if (cx->type == ACPI_STATE_C3 && pr->flags.bm_check) { - if (cx->bm_sts_skip || !acpi_idle_bm_check()) { - acpi_idle_enter_bm(pr, cx, true); - return index; - } else if (drv->safe_state_index >= 0) { - index = drv->safe_state_index; - cx = per_cpu(acpi_cstate[index], dev->cpu); - } else { - acpi_safe_halt(); - return -EBUSY; - } } } - lapic_timer_state_broadcast(pr, cx, 1); - if (cx->type == ACPI_STATE_C3) ACPI_FLUSH_CPU_CACHE(); acpi_idle_do_entry(cx); - lapic_timer_state_broadcast(pr, cx, 0); - return index; } @@ -666,7 +662,13 @@ static int acpi_idle_enter_s2idle(struct cpuidle_device *dev, return 0; if (pr->flags.bm_check) { - acpi_idle_enter_bm(pr, cx, false); + u8 bm_sts_skip = cx->bm_sts_skip; + + /* Don't check BM_STS, do an unconditional ARB_DIS for S2IDLE */ + cx->bm_sts_skip = 1; + acpi_idle_enter_bm(drv, pr, cx, index); + cx->bm_sts_skip = bm_sts_skip; + return 0; } else { ACPI_FLUSH_CPU_CACHE(); @@ -682,11 +684,13 @@ static int acpi_processor_setup_cpuidle_cx(struct acpi_processor *pr, { int i, count = ACPI_IDLE_STATE_START; struct acpi_processor_cx *cx; + struct cpuidle_state *state; if (max_cstate == 0) max_cstate = 1; for (i = 1; i < ACPI_PROCESSOR_MAX_POWER && i <= max_cstate; i++) { + state = &acpi_idle_driver.states[count]; cx = &pr->power.states[i]; if (!cx->valid) @@ -694,6 +698,15 @@ static int acpi_processor_setup_cpuidle_cx(struct acpi_processor *pr, per_cpu(acpi_cstate[count], dev->cpu) = cx; + if (lapic_timer_needs_broadcast(pr, cx)) + state->flags |= CPUIDLE_FLAG_TIMER_STOP; + + if (cx->type == ACPI_STATE_C3) { + state->flags |= CPUIDLE_FLAG_TLB_FLUSHED; + if (pr->flags.bm_check) + state->flags |= CPUIDLE_FLAG_RCU_IDLE; + } + count++; if (count == CPUIDLE_STATE_MAX) break; diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index 0c0a736eb8613d..fbd8eaa32d3250 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -807,8 +807,7 @@ static int ahci_avn_hardreset(struct ata_link *link, unsigned int *class, (sstatus & 0xf) != 1) break; - ata_link_printk(link, KERN_INFO, "avn bounce port%d\n", - port); + ata_link_info(link, "avn bounce port%d\n", port); pci_read_config_word(pdev, 0x92, &val); val &= ~(1 << port); diff --git a/drivers/ata/ahci_brcm.c b/drivers/ata/ahci_brcm.c index 6853dbb4131d87..49f7acbfcf01e9 100644 --- a/drivers/ata/ahci_brcm.c +++ b/drivers/ata/ahci_brcm.c @@ -470,7 +470,7 @@ static int brcm_ahci_probe(struct platform_device *pdev) switch (priv->version) { case BRCM_SATA_BCM7425: hpriv->flags |= AHCI_HFLAG_DELAY_ENGINE; - /* fall through */ + fallthrough; case BRCM_SATA_NSP: hpriv->flags |= AHCI_HFLAG_NO_NCQ; priv->quirks |= BRCM_AHCI_QUIRK_SKIP_PHY_ENABLE; diff --git a/drivers/ata/libahci_platform.c b/drivers/ata/libahci_platform.c index 129556fcf6be76..86261deeb4c58d 100644 --- a/drivers/ata/libahci_platform.c +++ b/drivers/ata/libahci_platform.c @@ -326,7 +326,7 @@ static int ahci_platform_get_phy(struct ahci_host_priv *hpriv, u32 port, node); break; } - /* fall through */ + fallthrough; case -ENODEV: /* continue normally */ hpriv->phys[port] = NULL; diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index b1cd4d97bc2a75..f546a5761c4f2c 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -190,7 +190,7 @@ struct ata_link *ata_link_next(struct ata_link *link, struct ata_port *ap, case ATA_LITER_PMP_FIRST: if (sata_pmp_attached(ap)) return ap->pmp_link; - /* fall through */ + fallthrough; case ATA_LITER_HOST_FIRST: return &ap->link; } @@ -201,11 +201,11 @@ struct ata_link *ata_link_next(struct ata_link *link, struct ata_port *ap, case ATA_LITER_HOST_FIRST: if (sata_pmp_attached(ap)) return ap->pmp_link; - /* fall through */ + fallthrough; case ATA_LITER_PMP_FIRST: if (unlikely(ap->slave_link)) return ap->slave_link; - /* fall through */ + fallthrough; case ATA_LITER_EDGE: return NULL; } @@ -523,7 +523,7 @@ int atapi_cmd_type(u8 opcode) case ATA_12: if (atapi_passthru16) return ATAPI_PASS_THRU; - /* fall thru */ + fallthrough; default: return ATAPI_MISC; } @@ -1800,7 +1800,7 @@ retry: switch (class) { case ATA_DEV_SEMB: class = ATA_DEV_ATA; /* some hard drives report SEMB sig */ - /* fall through */ + fallthrough; case ATA_DEV_ATA: case ATA_DEV_ZAC: tf.command = ATA_CMD_ID_ATA; @@ -2907,7 +2907,7 @@ int ata_bus_probe(struct ata_port *ap) case -ENODEV: /* give it just one more chance */ tries[dev->devno] = min(tries[dev->devno], 1); - /* fall through */ + fallthrough; case -EIO: if (tries[dev->devno] == 1) { /* This is the last chance, better to slow @@ -3158,7 +3158,7 @@ int ata_down_xfermask_limit(struct ata_device *dev, unsigned int sel) case ATA_DNXFER_FORCE_PIO0: pio_mask &= 1; - /* fall through */ + fallthrough; case ATA_DNXFER_FORCE_PIO: mwdma_mask = 0; udma_mask = 0; @@ -3868,9 +3868,8 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = { /* https://bugzilla.kernel.org/show_bug.cgi?id=15573 */ { "C300-CTFDDAC128MAG", "0001", ATA_HORKAGE_NONCQ, }, - /* Some Sandisk SSDs lock up hard with NCQ enabled. Reported on - SD7SN6S256G and SD8SN8U256G */ - { "SanDisk SD[78]SN*G", NULL, ATA_HORKAGE_NONCQ, }, + /* Sandisk SD7/8/9s lock up hard on large trims */ + { "SanDisk SD[789]*", NULL, ATA_HORKAGE_MAX_TRIM_128M, }, /* devices which puke on READ_NATIVE_MAX */ { "HDS724040KLSA80", "KFAOA20N", ATA_HORKAGE_BROKEN_HPA, }, @@ -4694,7 +4693,7 @@ void ata_qc_complete(struct ata_queued_cmd *qc) qc->tf.feature != SETFEATURES_RA_ON && qc->tf.feature != SETFEATURES_RA_OFF) break; - /* fall through */ + fallthrough; case ATA_CMD_INIT_DEV_PARAMS: /* CHS translation changed */ case ATA_CMD_SET_MULTI: /* multi_count changed */ /* revalidate device */ diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c index 474c6c34fe022d..d912eaa65c943e 100644 --- a/drivers/ata/libata-eh.c +++ b/drivers/ata/libata-eh.c @@ -1576,7 +1576,7 @@ static unsigned int ata_eh_analyze_tf(struct ata_queued_cmd *qc, case ATA_DEV_ZAC: if (stat & ATA_SENSE) ata_eh_request_sense(qc, qc->scsicmd); - /* fall through */ + fallthrough; case ATA_DEV_ATA: if (err & ATA_ICRC) qc->err_mask |= AC_ERR_ATA_BUS; @@ -3473,11 +3473,11 @@ static int ata_eh_handle_dev_fail(struct ata_device *dev, int err) case -ENODEV: /* device missing or wrong IDENTIFY data, schedule probing */ ehc->i.probe_mask |= (1 << dev->devno); - /* fall through */ + fallthrough; case -EINVAL: /* give it just one more chance */ ehc->tries[dev->devno] = min(ehc->tries[dev->devno], 1); - /* fall through */ + fallthrough; case -EIO: if (ehc->tries[dev->devno] == 1) { /* This is the last chance, better to slow diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index ec233208585bd4..70431912dc6352 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -2080,6 +2080,7 @@ static unsigned int ata_scsiop_inq_89(struct ata_scsi_args *args, u8 *rbuf) static unsigned int ata_scsiop_inq_b0(struct ata_scsi_args *args, u8 *rbuf) { + struct ata_device *dev = args->dev; u16 min_io_sectors; rbuf[1] = 0xb0; @@ -2105,7 +2106,12 @@ static unsigned int ata_scsiop_inq_b0(struct ata_scsi_args *args, u8 *rbuf) * with the unmap bit set. */ if (ata_id_has_trim(args->id)) { - put_unaligned_be64(65535 * ATA_MAX_TRIM_RNUM, &rbuf[36]); + u64 max_blocks = 65535 * ATA_MAX_TRIM_RNUM; + + if (dev->horkage & ATA_HORKAGE_MAX_TRIM_128M) + max_blocks = 128 << (20 - SECTOR_SHIFT); + + put_unaligned_be64(max_blocks, &rbuf[36]); put_unaligned_be32(1, &rbuf[28]); } @@ -4162,7 +4168,7 @@ void ata_scsi_simulate(struct ata_device *dev, struct scsi_cmnd *cmd) ata_scsi_rbuf_fill(&args, ata_scsiop_inq_b6); break; } - /* Fallthrough */ + fallthrough; default: ata_scsi_set_invalid_field(dev, cmd, 2, 0xff); break; @@ -4198,7 +4204,7 @@ void ata_scsi_simulate(struct ata_device *dev, struct scsi_cmnd *cmd) * turning this into a no-op. */ case SYNCHRONIZE_CACHE: - /* fall through */ + fallthrough; /* no-op's, complete with success */ case REZERO_UNIT: diff --git a/drivers/ata/pata_atp867x.c b/drivers/ata/pata_atp867x.c index e01a3a6e4d462a..2bc5fc81efe30c 100644 --- a/drivers/ata/pata_atp867x.c +++ b/drivers/ata/pata_atp867x.c @@ -157,7 +157,7 @@ static int atp867x_get_active_clocks_shifted(struct ata_port *ap, default: printk(KERN_WARNING "ATP867X: active %dclk is invalid. " "Using 12clk.\n", clk); - /* fall through */ + fallthrough; case 9 ... 12: clocks = 7; /* 12 clk */ break; @@ -190,7 +190,7 @@ static int atp867x_get_recover_clocks_shifted(unsigned int clk) default: printk(KERN_WARNING "ATP867X: recover %dclk is invalid. " "Using default 12clk.\n", clk); - /* fall through */ + fallthrough; case 12: /* default 12 clk */ clocks = 0; break; diff --git a/drivers/ata/pata_serverworks.c b/drivers/ata/pata_serverworks.c index 916bf024d73754..7511e11eef4d6a 100644 --- a/drivers/ata/pata_serverworks.c +++ b/drivers/ata/pata_serverworks.c @@ -369,7 +369,7 @@ static int serverworks_fixup(struct pci_dev *pdev) break; case PCI_DEVICE_ID_SERVERWORKS_CSB5IDE: ata_pci_bmdma_clear_simplex(pdev); - /* fall through */ + fallthrough; case PCI_DEVICE_ID_SERVERWORKS_CSB6IDE: case PCI_DEVICE_ID_SERVERWORKS_CSB6IDE2: rc = serverworks_fixup_csb(pdev); diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c index d7228f8e9297c0..664ef658a955f9 100644 --- a/drivers/ata/sata_mv.c +++ b/drivers/ata/sata_mv.c @@ -2010,7 +2010,7 @@ static void mv_rw_multi_errata_sata24(struct ata_queued_cmd *qc) break; case ATA_CMD_WRITE_MULTI_FUA_EXT: tf->flags &= ~ATA_TFLAG_FUA; /* ugh */ - /* fall through */ + fallthrough; case ATA_CMD_WRITE_MULTI_EXT: tf->command = ATA_CMD_PIO_WRITE_EXT; break; @@ -2044,7 +2044,7 @@ static enum ata_completion_errors mv_qc_prep(struct ata_queued_cmd *qc) case ATA_PROT_DMA: if (tf->command == ATA_CMD_DSM) return AC_ERR_OK; - /* fall-thru */ + fallthrough; case ATA_PROT_NCQ: break; /* continue below */ case ATA_PROT_PIO: @@ -2296,7 +2296,7 @@ static unsigned int mv_qc_issue_fis(struct ata_queued_cmd *qc) switch (qc->tf.protocol) { case ATAPI_PROT_PIO: pp->pp_flags |= MV_PP_FLAG_FAKE_ATA_BUSY; - /* fall through */ + fallthrough; case ATAPI_PROT_NODATA: ap->hsm_task_state = HSM_ST_FIRST; break; @@ -2347,7 +2347,7 @@ static unsigned int mv_qc_issue(struct ata_queued_cmd *qc) return AC_ERR_OTHER; break; /* use bmdma for this */ } - /* fall thru */ + fallthrough; case ATA_PROT_NCQ: mv_start_edma(ap, port_mmio, pp, qc->tf.protocol); pp->req_idx = (pp->req_idx + 1) & MV_MAX_Q_DEPTH_MASK; @@ -2376,7 +2376,7 @@ static unsigned int mv_qc_issue(struct ata_queued_cmd *qc) ": attempting PIO w/multiple DRQ: " "this may fail due to h/w errata\n"); } - /* fall through */ + fallthrough; case ATA_PROT_NODATA: case ATAPI_PROT_PIO: case ATAPI_PROT_NODATA: @@ -3864,7 +3864,7 @@ static int mv_chip_id(struct ata_host *host, unsigned int board_idx) " and avoid the final two gigabytes on" " all RocketRAID BIOS initialized drives.\n"); } - /* fall through */ + fallthrough; case chip_6042: hpriv->ops = &mv6xxx_ops; hp_flags |= MV_HP_GEN_IIE; diff --git a/drivers/ata/sata_promise.c b/drivers/ata/sata_promise.c index 8729f78cef5fdb..7815da8ef9e589 100644 --- a/drivers/ata/sata_promise.c +++ b/drivers/ata/sata_promise.c @@ -637,7 +637,7 @@ static enum ata_completion_errors pdc_qc_prep(struct ata_queued_cmd *qc) switch (qc->tf.protocol) { case ATA_PROT_DMA: pdc_fill_sg(qc); - /*FALLTHROUGH*/ + fallthrough; case ATA_PROT_NODATA: i = pdc_pkt_header(&qc->tf, qc->ap->bmdma_prd_dma, qc->dev->devno, pp->pkt); @@ -652,7 +652,7 @@ static enum ata_completion_errors pdc_qc_prep(struct ata_queued_cmd *qc) break; case ATAPI_PROT_DMA: pdc_fill_sg(qc); - /*FALLTHROUGH*/ + fallthrough; case ATAPI_PROT_NODATA: pdc_atapi_pkt(qc); break; @@ -1022,11 +1022,11 @@ static unsigned int pdc_qc_issue(struct ata_queued_cmd *qc) case ATAPI_PROT_NODATA: if (qc->dev->flags & ATA_DFLAG_CDB_INTR) break; - /*FALLTHROUGH*/ + fallthrough; case ATA_PROT_NODATA: if (qc->tf.flags & ATA_TFLAG_POLLING) break; - /*FALLTHROUGH*/ + fallthrough; case ATAPI_PROT_DMA: case ATA_PROT_DMA: pdc_packet_start(qc); diff --git a/drivers/ata/sata_sx4.c b/drivers/ata/sata_sx4.c index 2c7b30c5ea3dd8..4c01190a5e370e 100644 --- a/drivers/ata/sata_sx4.c +++ b/drivers/ata/sata_sx4.c @@ -669,7 +669,7 @@ static unsigned int pdc20621_qc_issue(struct ata_queued_cmd *qc) case ATA_PROT_NODATA: if (qc->tf.flags & ATA_TFLAG_POLLING) break; - /*FALLTHROUGH*/ + fallthrough; case ATA_PROT_DMA: pdc20621_packet_start(qc); return 0; diff --git a/drivers/atm/eni.c b/drivers/atm/eni.c index 39be444534d03a..316a9947541fe0 100644 --- a/drivers/atm/eni.c +++ b/drivers/atm/eni.c @@ -2224,7 +2224,7 @@ static int eni_init_one(struct pci_dev *pci_dev, rc = dma_set_mask_and_coherent(&pci_dev->dev, DMA_BIT_MASK(32)); if (rc < 0) - goto out; + goto err_disable; rc = -ENOMEM; eni_dev = kmalloc(sizeof(struct eni_dev), GFP_KERNEL); diff --git a/drivers/atm/firestream.c b/drivers/atm/firestream.c index 2ca9ec80273429..0ddd611b427766 100644 --- a/drivers/atm/firestream.c +++ b/drivers/atm/firestream.c @@ -711,7 +711,7 @@ static void process_txdone_queue (struct fs_dev *dev, struct queue *q) switch (STATUS_CODE (qe)) { case 0x01: /* This is for AAL0 where we put the chip in streaming mode */ - /* Fall through */ + fallthrough; case 0x02: /* Process a real txdone entry. */ tmp = qe->p0; @@ -998,6 +998,7 @@ static int fs_open(struct atm_vcc *atm_vcc) error = make_rate (pcr, r, &tmc0, NULL); if (error) { kfree(tc); + kfree(vcc); return error; } } diff --git a/drivers/atm/fore200e.c b/drivers/atm/fore200e.c index a81bc49c14acc6..9a70bee841251d 100644 --- a/drivers/atm/fore200e.c +++ b/drivers/atm/fore200e.c @@ -376,33 +376,33 @@ fore200e_shutdown(struct fore200e* fore200e) case FORE200E_STATE_COMPLETE: kfree(fore200e->stats); - /* fall through */ + fallthrough; case FORE200E_STATE_IRQ: free_irq(fore200e->irq, fore200e->atm_dev); - /* fall through */ + fallthrough; case FORE200E_STATE_ALLOC_BUF: fore200e_free_rx_buf(fore200e); - /* fall through */ + fallthrough; case FORE200E_STATE_INIT_BSQ: fore200e_uninit_bs_queue(fore200e); - /* fall through */ + fallthrough; case FORE200E_STATE_INIT_RXQ: fore200e_dma_chunk_free(fore200e, &fore200e->host_rxq.status); fore200e_dma_chunk_free(fore200e, &fore200e->host_rxq.rpd); - /* fall through */ + fallthrough; case FORE200E_STATE_INIT_TXQ: fore200e_dma_chunk_free(fore200e, &fore200e->host_txq.status); fore200e_dma_chunk_free(fore200e, &fore200e->host_txq.tpd); - /* fall through */ + fallthrough; case FORE200E_STATE_INIT_CMDQ: fore200e_dma_chunk_free(fore200e, &fore200e->host_cmdq.status); - /* fall through */ + fallthrough; case FORE200E_STATE_INITIALIZE: /* nothing to do for that state */ @@ -415,7 +415,7 @@ fore200e_shutdown(struct fore200e* fore200e) case FORE200E_STATE_MAP: fore200e->bus->unmap(fore200e); - /* fall through */ + fallthrough; case FORE200E_STATE_CONFIGURE: /* nothing to do for that state */ diff --git a/drivers/atm/he.c b/drivers/atm/he.c index 8af793f5e81132..17f44abc9418ea 100644 --- a/drivers/atm/he.c +++ b/drivers/atm/he.c @@ -1944,14 +1944,14 @@ he_tasklet(unsigned long data) switch (type) { case ITYPE_RBRQ_THRESH: HPRINTK("rbrq%d threshold\n", group); - /* fall through */ + fallthrough; case ITYPE_RBRQ_TIMER: if (he_service_rbrq(he_dev, group)) he_service_rbpl(he_dev, group); break; case ITYPE_TBRQ_THRESH: HPRINTK("tbrq%d threshold\n", group); - /* fall through */ + fallthrough; case ITYPE_TPD_COMPLETE: he_service_tbrq(he_dev, group); break; diff --git a/drivers/atm/idt77105.c b/drivers/atm/idt77105.c index 63871859e6e8ed..3c081b6171a8fc 100644 --- a/drivers/atm/idt77105.c +++ b/drivers/atm/idt77105.c @@ -192,7 +192,7 @@ static int idt77105_ioctl(struct atm_dev *dev,unsigned int cmd,void __user *arg) switch (cmd) { case IDT77105_GETSTATZ: if (!capable(CAP_NET_ADMIN)) return -EPERM; - /* fall through */ + fallthrough; case IDT77105_GETSTAT: return fetch_stats(dev, arg, cmd == IDT77105_GETSTATZ); case ATM_SETLOOP: diff --git a/drivers/atm/lanai.c b/drivers/atm/lanai.c index 986c1313694c66..ac811cfa684310 100644 --- a/drivers/atm/lanai.c +++ b/drivers/atm/lanai.c @@ -2019,7 +2019,7 @@ static int lanai_normalize_ci(struct lanai_dev *lanai, switch (*vpip) { case ATM_VPI_ANY: *vpip = 0; - /* FALLTHROUGH */ + fallthrough; case 0: break; default: diff --git a/drivers/atm/zatm.c b/drivers/atm/zatm.c index ee059c77e3bbc7..cf5fffcf98a1e6 100644 --- a/drivers/atm/zatm.c +++ b/drivers/atm/zatm.c @@ -1447,7 +1447,7 @@ static int zatm_ioctl(struct atm_dev *dev,unsigned int cmd,void __user *arg) switch (cmd) { case ZATM_GETPOOLZ: if (!capable(CAP_NET_ADMIN)) return -EPERM; - /* fall through */ + fallthrough; case ZATM_GETPOOL: { struct zatm_pool_info info; diff --git a/drivers/auxdisplay/arm-charlcd.c b/drivers/auxdisplay/arm-charlcd.c index dea031484cc487..0b1c99cca7334f 100644 --- a/drivers/auxdisplay/arm-charlcd.c +++ b/drivers/auxdisplay/arm-charlcd.c @@ -2,7 +2,7 @@ /* * Driver for the on-board character LCD found on some ARM reference boards * This is basically an Hitachi HD44780 LCD with a custom IP block to drive it - * http://en.wikipedia.org/wiki/HD44780_Character_LCD + * https://en.wikipedia.org/wiki/HD44780_Character_LCD * Currently it will just display the text "ARM Linux" and the linux version * * Author: Linus Walleij <triad@df.lth.se> diff --git a/drivers/auxdisplay/panel.c b/drivers/auxdisplay/panel.c index 99980aa3644bc3..1c82d824ae0078 100644 --- a/drivers/auxdisplay/panel.c +++ b/drivers/auxdisplay/panel.c @@ -1365,7 +1365,7 @@ static void panel_process_inputs(void) break; input->rise_timer = 0; input->state = INPUT_ST_RISING; - /* fall through */ + fallthrough; case INPUT_ST_RISING: if ((phys_curr & input->mask) != input->value) { input->state = INPUT_ST_LOW; @@ -1378,11 +1378,11 @@ static void panel_process_inputs(void) } input->high_timer = 0; input->state = INPUT_ST_HIGH; - /* fall through */ + fallthrough; case INPUT_ST_HIGH: if (input_state_high(input)) break; - /* fall through */ + fallthrough; case INPUT_ST_FALLING: input_state_falling(input); } diff --git a/drivers/base/core.c b/drivers/base/core.c index ac1046a382bc02..bb5806a2bd4ca7 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -807,9 +807,7 @@ static void device_link_put_kref(struct device_link *link) void device_link_del(struct device_link *link) { device_links_write_lock(); - device_pm_lock(); device_link_put_kref(link); - device_pm_unlock(); device_links_write_unlock(); } EXPORT_SYMBOL_GPL(device_link_del); @@ -830,7 +828,6 @@ void device_link_remove(void *consumer, struct device *supplier) return; device_links_write_lock(); - device_pm_lock(); list_for_each_entry(link, &supplier->links.consumers, s_node) { if (link->consumer == consumer) { @@ -839,7 +836,6 @@ void device_link_remove(void *consumer, struct device *supplier) } } - device_pm_unlock(); device_links_write_unlock(); } EXPORT_SYMBOL_GPL(device_link_remove); @@ -4237,10 +4233,10 @@ int dev_err_probe(const struct device *dev, int err, const char *fmt, ...) vaf.va = &args; if (err != -EPROBE_DEFER) { - dev_err(dev, "error %d: %pV", err, &vaf); + dev_err(dev, "error %pe: %pV", ERR_PTR(err), &vaf); } else { device_set_deferred_probe_reason(dev, &vaf); - dev_dbg(dev, "error %d: %pV", err, &vaf); + dev_dbg(dev, "error %pe: %pV", ERR_PTR(err), &vaf); } va_end(args); @@ -4264,9 +4260,9 @@ static inline bool fwnode_is_primary(struct fwnode_handle *fwnode) */ void set_primary_fwnode(struct device *dev, struct fwnode_handle *fwnode) { - if (fwnode) { - struct fwnode_handle *fn = dev->fwnode; + struct fwnode_handle *fn = dev->fwnode; + if (fwnode) { if (fwnode_is_primary(fn)) fn = fn->secondary; @@ -4276,8 +4272,12 @@ void set_primary_fwnode(struct device *dev, struct fwnode_handle *fwnode) } dev->fwnode = fwnode; } else { - dev->fwnode = fwnode_is_primary(dev->fwnode) ? - dev->fwnode->secondary : NULL; + if (fwnode_is_primary(fn)) { + dev->fwnode = fn->secondary; + fn->secondary = NULL; + } else { + dev->fwnode = NULL; + } } } EXPORT_SYMBOL_GPL(set_primary_fwnode); diff --git a/drivers/base/firmware_loader/fallback.c b/drivers/base/firmware_loader/fallback.c index 5327bfc6ba719c..283ca2de76d45e 100644 --- a/drivers/base/firmware_loader/fallback.c +++ b/drivers/base/firmware_loader/fallback.c @@ -289,10 +289,10 @@ static ssize_t firmware_loading_store(struct device *dev, } break; } - /* fallthrough */ + fallthrough; default: dev_err(dev, "%s: unexpected value (%d)\n", __func__, loading); - /* fallthrough */ + fallthrough; case -1: fw_load_abort(fw_sysfs); break; diff --git a/drivers/base/firmware_loader/firmware.h b/drivers/base/firmware_loader/firmware.h index 933e2192fbe8a1..d08efc77cf16a0 100644 --- a/drivers/base/firmware_loader/firmware.h +++ b/drivers/base/firmware_loader/firmware.h @@ -142,10 +142,12 @@ int assign_fw(struct firmware *fw, struct device *device, u32 opt_flags); void fw_free_paged_buf(struct fw_priv *fw_priv); int fw_grow_paged_buf(struct fw_priv *fw_priv, int pages_needed); int fw_map_paged_buf(struct fw_priv *fw_priv); +bool fw_is_paged_buf(struct fw_priv *fw_priv); #else static inline void fw_free_paged_buf(struct fw_priv *fw_priv) {} static inline int fw_grow_paged_buf(struct fw_priv *fw_priv, int pages_needed) { return -ENXIO; } static inline int fw_map_paged_buf(struct fw_priv *fw_priv) { return -ENXIO; } +static inline bool fw_is_paged_buf(struct fw_priv *fw_priv) { return false; } #endif #endif /* __FIRMWARE_LOADER_H */ diff --git a/drivers/base/firmware_loader/main.c b/drivers/base/firmware_loader/main.c index 9da0c9d5f538ea..63b9714a015485 100644 --- a/drivers/base/firmware_loader/main.c +++ b/drivers/base/firmware_loader/main.c @@ -252,9 +252,11 @@ static void __free_fw_priv(struct kref *ref) list_del(&fw_priv->list); spin_unlock(&fwc->lock); - fw_free_paged_buf(fw_priv); /* free leftover pages */ - if (!fw_priv->allocated_size) + if (fw_is_paged_buf(fw_priv)) + fw_free_paged_buf(fw_priv); + else if (!fw_priv->allocated_size) vfree(fw_priv->data); + kfree_const(fw_priv->fw_name); kfree(fw_priv); } @@ -268,6 +270,11 @@ static void free_fw_priv(struct fw_priv *fw_priv) } #ifdef CONFIG_FW_LOADER_PAGED_BUF +bool fw_is_paged_buf(struct fw_priv *fw_priv) +{ + return fw_priv->is_paged_buf; +} + void fw_free_paged_buf(struct fw_priv *fw_priv) { int i; @@ -275,6 +282,8 @@ void fw_free_paged_buf(struct fw_priv *fw_priv) if (!fw_priv->pages) return; + vunmap(fw_priv->data); + for (i = 0; i < fw_priv->nr_pages; i++) __free_page(fw_priv->pages[i]); kvfree(fw_priv->pages); @@ -328,10 +337,6 @@ int fw_map_paged_buf(struct fw_priv *fw_priv) if (!fw_priv->data) return -ENOMEM; - /* page table is no longer needed after mapping, let's free */ - kvfree(fw_priv->pages); - fw_priv->pages = NULL; - return 0; } #endif diff --git a/drivers/base/node.c b/drivers/base/node.c index 508b80f6329b4e..50af16e68d98d1 100644 --- a/drivers/base/node.c +++ b/drivers/base/node.c @@ -761,14 +761,36 @@ static int __ref get_nid_for_pfn(unsigned long pfn) return pfn_to_nid(pfn); } +static int do_register_memory_block_under_node(int nid, + struct memory_block *mem_blk) +{ + int ret; + + /* + * If this memory block spans multiple nodes, we only indicate + * the last processed node. + */ + mem_blk->nid = nid; + + ret = sysfs_create_link_nowarn(&node_devices[nid]->dev.kobj, + &mem_blk->dev.kobj, + kobject_name(&mem_blk->dev.kobj)); + if (ret) + return ret; + + return sysfs_create_link_nowarn(&mem_blk->dev.kobj, + &node_devices[nid]->dev.kobj, + kobject_name(&node_devices[nid]->dev.kobj)); +} + /* register memory section under specified node if it spans that node */ -static int register_mem_sect_under_node(struct memory_block *mem_blk, - void *arg) +static int register_mem_block_under_node_early(struct memory_block *mem_blk, + void *arg) { unsigned long memory_block_pfns = memory_block_size_bytes() / PAGE_SIZE; unsigned long start_pfn = section_nr_to_pfn(mem_blk->start_section_nr); unsigned long end_pfn = start_pfn + memory_block_pfns - 1; - int ret, nid = *(int *)arg; + int nid = *(int *)arg; unsigned long pfn; for (pfn = start_pfn; pfn <= end_pfn; pfn++) { @@ -785,39 +807,34 @@ static int register_mem_sect_under_node(struct memory_block *mem_blk, } /* - * We need to check if page belongs to nid only for the boot - * case, during hotplug we know that all pages in the memory - * block belong to the same node. - */ - if (system_state == SYSTEM_BOOTING) { - page_nid = get_nid_for_pfn(pfn); - if (page_nid < 0) - continue; - if (page_nid != nid) - continue; - } - - /* - * If this memory block spans multiple nodes, we only indicate - * the last processed node. + * We need to check if page belongs to nid only at the boot + * case because node's ranges can be interleaved. */ - mem_blk->nid = nid; - - ret = sysfs_create_link_nowarn(&node_devices[nid]->dev.kobj, - &mem_blk->dev.kobj, - kobject_name(&mem_blk->dev.kobj)); - if (ret) - return ret; + page_nid = get_nid_for_pfn(pfn); + if (page_nid < 0) + continue; + if (page_nid != nid) + continue; - return sysfs_create_link_nowarn(&mem_blk->dev.kobj, - &node_devices[nid]->dev.kobj, - kobject_name(&node_devices[nid]->dev.kobj)); + return do_register_memory_block_under_node(nid, mem_blk); } /* mem section does not span the specified node */ return 0; } /* + * During hotplug we know that all pages in the memory block belong to the same + * node. + */ +static int register_mem_block_under_node_hotplug(struct memory_block *mem_blk, + void *arg) +{ + int nid = *(int *)arg; + + return do_register_memory_block_under_node(nid, mem_blk); +} + +/* * Unregister a memory block device under the node it spans. Memory blocks * with multiple nodes cannot be offlined and therefore also never be removed. */ @@ -832,11 +849,19 @@ void unregister_memory_block_under_nodes(struct memory_block *mem_blk) kobject_name(&node_devices[mem_blk->nid]->dev.kobj)); } -int link_mem_sections(int nid, unsigned long start_pfn, unsigned long end_pfn) +int link_mem_sections(int nid, unsigned long start_pfn, unsigned long end_pfn, + enum meminit_context context) { + walk_memory_blocks_func_t func; + + if (context == MEMINIT_HOTPLUG) + func = register_mem_block_under_node_hotplug; + else + func = register_mem_block_under_node_early; + return walk_memory_blocks(PFN_PHYS(start_pfn), PFN_PHYS(end_pfn - start_pfn), (void *)&nid, - register_mem_sect_under_node); + func); } #ifdef CONFIG_HUGETLBFS diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c index 9dd85bea40260a..205a06752ca90c 100644 --- a/drivers/base/power/main.c +++ b/drivers/base/power/main.c @@ -1606,13 +1606,17 @@ static int __device_suspend(struct device *dev, pm_message_t state, bool async) } /* - * If a device configured to wake up the system from sleep states - * has been suspended at run time and there's a resume request pending - * for it, this is equivalent to the device signaling wakeup, so the - * system suspend operation should be aborted. + * Wait for possible runtime PM transitions of the device in progress + * to complete and if there's a runtime resume request pending for it, + * resume it before proceeding with invoking the system-wide suspend + * callbacks for it. + * + * If the system-wide suspend callbacks below change the configuration + * of the device, they must disable runtime PM for it or otherwise + * ensure that its runtime-resume callbacks will not be confused by that + * change in case they are invoked going forward. */ - if (pm_runtime_barrier(dev) && device_may_wakeup(dev)) - pm_wakeup_event(dev, 0); + pm_runtime_barrier(dev); if (pm_wakeup_pending()) { dev->power.direct_complete = false; diff --git a/drivers/base/regmap/internal.h b/drivers/base/regmap/internal.h index 3d80c4b43f7201..7be2fcfeea52bc 100644 --- a/drivers/base/regmap/internal.h +++ b/drivers/base/regmap/internal.h @@ -217,7 +217,7 @@ struct regmap_field { #ifdef CONFIG_DEBUG_FS extern void regmap_debugfs_initcall(void); -extern void regmap_debugfs_init(struct regmap *map, const char *name); +extern void regmap_debugfs_init(struct regmap *map); extern void regmap_debugfs_exit(struct regmap *map); static inline void regmap_debugfs_disable(struct regmap *map) @@ -227,7 +227,7 @@ static inline void regmap_debugfs_disable(struct regmap *map) #else static inline void regmap_debugfs_initcall(void) { } -static inline void regmap_debugfs_init(struct regmap *map, const char *name) { } +static inline void regmap_debugfs_init(struct regmap *map) { } static inline void regmap_debugfs_exit(struct regmap *map) { } static inline void regmap_debugfs_disable(struct regmap *map) { } #endif @@ -259,7 +259,7 @@ bool regcache_set_val(struct regmap *map, void *base, unsigned int idx, int regcache_lookup_reg(struct regmap *map, unsigned int reg); int _regmap_raw_write(struct regmap *map, unsigned int reg, - const void *val, size_t val_len); + const void *val, size_t val_len, bool noinc); void regmap_async_complete_cb(struct regmap_async *async, int ret); diff --git a/drivers/base/regmap/regcache.c b/drivers/base/regmap/regcache.c index a93cafd7be4f23..7f4b3b62492ca3 100644 --- a/drivers/base/regmap/regcache.c +++ b/drivers/base/regmap/regcache.c @@ -717,7 +717,7 @@ static int regcache_sync_block_raw_flush(struct regmap *map, const void **data, map->cache_bypass = true; - ret = _regmap_raw_write(map, base, *data, count * val_bytes); + ret = _regmap_raw_write(map, base, *data, count * val_bytes, false); if (ret) dev_err(map->dev, "Unable to sync registers %#x-%#x. %d\n", base, cur - map->reg_stride, ret); diff --git a/drivers/base/regmap/regmap-debugfs.c b/drivers/base/regmap/regmap-debugfs.c index f58baff2be0af6..b6d63ef16b442e 100644 --- a/drivers/base/regmap/regmap-debugfs.c +++ b/drivers/base/regmap/regmap-debugfs.c @@ -17,7 +17,6 @@ struct regmap_debugfs_node { struct regmap *map; - const char *name; struct list_head link; }; @@ -544,11 +543,12 @@ static const struct file_operations regmap_cache_bypass_fops = { .write = regmap_cache_bypass_write_file, }; -void regmap_debugfs_init(struct regmap *map, const char *name) +void regmap_debugfs_init(struct regmap *map) { struct rb_node *next; struct regmap_range_node *range_node; const char *devname = "dummy"; + const char *name = map->name; /* * Userspace can initiate reads from the hardware over debugfs. @@ -569,7 +569,6 @@ void regmap_debugfs_init(struct regmap *map, const char *name) if (!node) return; node->map = map; - node->name = name; mutex_lock(®map_debugfs_early_lock); list_add(&node->link, ®map_debugfs_early_list); mutex_unlock(®map_debugfs_early_lock); @@ -679,7 +678,7 @@ void regmap_debugfs_initcall(void) mutex_lock(®map_debugfs_early_lock); list_for_each_entry_safe(node, tmp, ®map_debugfs_early_list, link) { - regmap_debugfs_init(node->map, node->name); + regmap_debugfs_init(node->map); list_del(&node->link); kfree(node); } diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c index e93700af7e6e34..b71f9ecddff5db 100644 --- a/drivers/base/regmap/regmap.c +++ b/drivers/base/regmap/regmap.c @@ -581,14 +581,34 @@ static void regmap_range_exit(struct regmap *map) kfree(map->selector_work_buf); } +static int regmap_set_name(struct regmap *map, const struct regmap_config *config) +{ + if (config->name) { + const char *name = kstrdup_const(config->name, GFP_KERNEL); + + if (!name) + return -ENOMEM; + + kfree_const(map->name); + map->name = name; + } + + return 0; +} + int regmap_attach_dev(struct device *dev, struct regmap *map, const struct regmap_config *config) { struct regmap **m; + int ret; map->dev = dev; - regmap_debugfs_init(map, config->name); + ret = regmap_set_name(map, config); + if (ret) + return ret; + + regmap_debugfs_init(map); /* Add a devres resource for dev_get_regmap() */ m = devres_alloc(dev_get_regmap_release, sizeof(*m), GFP_KERNEL); @@ -687,13 +707,9 @@ struct regmap *__regmap_init(struct device *dev, goto err; } - if (config->name) { - map->name = kstrdup_const(config->name, GFP_KERNEL); - if (!map->name) { - ret = -ENOMEM; - goto err_map; - } - } + ret = regmap_set_name(map, config); + if (ret) + goto err_map; if (config->disable_locking) { map->lock = map->unlock = regmap_lock_unlock_none; @@ -1137,7 +1153,7 @@ skip_format_initialization: if (ret != 0) goto err_regcache; } else { - regmap_debugfs_init(map, config->name); + regmap_debugfs_init(map); } return map; @@ -1297,6 +1313,8 @@ EXPORT_SYMBOL_GPL(regmap_field_free); */ int regmap_reinit_cache(struct regmap *map, const struct regmap_config *config) { + int ret; + regcache_exit(map); regmap_debugfs_exit(map); @@ -1309,7 +1327,11 @@ int regmap_reinit_cache(struct regmap *map, const struct regmap_config *config) map->readable_noinc_reg = config->readable_noinc_reg; map->cache_type = config->cache_type; - regmap_debugfs_init(map, config->name); + ret = regmap_set_name(map, config); + if (ret) + return ret; + + regmap_debugfs_init(map); map->cache_bypass = false; map->cache_only = false; @@ -1464,7 +1486,7 @@ static void regmap_set_work_buf_flag_mask(struct regmap *map, int max_bytes, } static int _regmap_raw_write_impl(struct regmap *map, unsigned int reg, - const void *val, size_t val_len) + const void *val, size_t val_len, bool noinc) { struct regmap_range_node *range; unsigned long flags; @@ -1523,7 +1545,7 @@ static int _regmap_raw_write_impl(struct regmap *map, unsigned int reg, win_residue, val_len / map->format.val_bytes); ret = _regmap_raw_write_impl(map, reg, val, win_residue * - map->format.val_bytes); + map->format.val_bytes, noinc); if (ret != 0) return ret; @@ -1537,7 +1559,7 @@ static int _regmap_raw_write_impl(struct regmap *map, unsigned int reg, win_residue = range->window_len - win_offset; } - ret = _regmap_select_page(map, ®, range, val_num); + ret = _regmap_select_page(map, ®, range, noinc ? 1 : val_num); if (ret != 0) return ret; } @@ -1745,7 +1767,8 @@ static int _regmap_bus_raw_write(void *context, unsigned int reg, map->work_buf + map->format.reg_bytes + map->format.pad_bytes, - map->format.val_bytes); + map->format.val_bytes, + false); } static inline void *_regmap_map_get_context(struct regmap *map) @@ -1839,7 +1862,7 @@ int regmap_write_async(struct regmap *map, unsigned int reg, unsigned int val) EXPORT_SYMBOL_GPL(regmap_write_async); int _regmap_raw_write(struct regmap *map, unsigned int reg, - const void *val, size_t val_len) + const void *val, size_t val_len, bool noinc) { size_t val_bytes = map->format.val_bytes; size_t val_count = val_len / val_bytes; @@ -1860,7 +1883,7 @@ int _regmap_raw_write(struct regmap *map, unsigned int reg, /* Write as many bytes as possible with chunk_size */ for (i = 0; i < chunk_count; i++) { - ret = _regmap_raw_write_impl(map, reg, val, chunk_bytes); + ret = _regmap_raw_write_impl(map, reg, val, chunk_bytes, noinc); if (ret) return ret; @@ -1871,7 +1894,7 @@ int _regmap_raw_write(struct regmap *map, unsigned int reg, /* Write remaining bytes */ if (val_len) - ret = _regmap_raw_write_impl(map, reg, val, val_len); + ret = _regmap_raw_write_impl(map, reg, val, val_len, noinc); return ret; } @@ -1904,7 +1927,7 @@ int regmap_raw_write(struct regmap *map, unsigned int reg, map->lock(map->lock_arg); - ret = _regmap_raw_write(map, reg, val, val_len); + ret = _regmap_raw_write(map, reg, val, val_len, false); map->unlock(map->lock_arg); @@ -1962,7 +1985,7 @@ int regmap_noinc_write(struct regmap *map, unsigned int reg, write_len = map->max_raw_write; else write_len = val_len; - ret = _regmap_raw_write(map, reg, val, write_len); + ret = _regmap_raw_write(map, reg, val, write_len, true); if (ret) goto out_unlock; val = ((u8 *)val) + write_len; @@ -2439,7 +2462,7 @@ int regmap_raw_write_async(struct regmap *map, unsigned int reg, map->async = true; - ret = _regmap_raw_write(map, reg, val, val_len); + ret = _regmap_raw_write(map, reg, val, val_len, false); map->async = false; @@ -2450,7 +2473,7 @@ int regmap_raw_write_async(struct regmap *map, unsigned int reg, EXPORT_SYMBOL_GPL(regmap_raw_write_async); static int _regmap_raw_read(struct regmap *map, unsigned int reg, void *val, - unsigned int val_len) + unsigned int val_len, bool noinc) { struct regmap_range_node *range; int ret; @@ -2463,7 +2486,7 @@ static int _regmap_raw_read(struct regmap *map, unsigned int reg, void *val, range = _regmap_range_lookup(map, reg); if (range) { ret = _regmap_select_page(map, ®, range, - val_len / map->format.val_bytes); + noinc ? 1 : val_len / map->format.val_bytes); if (ret != 0) return ret; } @@ -2501,7 +2524,7 @@ static int _regmap_bus_read(void *context, unsigned int reg, if (!map->format.parse_val) return -EINVAL; - ret = _regmap_raw_read(map, reg, work_val, map->format.val_bytes); + ret = _regmap_raw_read(map, reg, work_val, map->format.val_bytes, false); if (ret == 0) *val = map->format.parse_val(work_val); @@ -2617,7 +2640,7 @@ int regmap_raw_read(struct regmap *map, unsigned int reg, void *val, /* Read bytes that fit into whole chunks */ for (i = 0; i < chunk_count; i++) { - ret = _regmap_raw_read(map, reg, val, chunk_bytes); + ret = _regmap_raw_read(map, reg, val, chunk_bytes, false); if (ret != 0) goto out; @@ -2628,7 +2651,7 @@ int regmap_raw_read(struct regmap *map, unsigned int reg, void *val, /* Read remaining bytes */ if (val_len) { - ret = _regmap_raw_read(map, reg, val, val_len); + ret = _regmap_raw_read(map, reg, val, val_len, false); if (ret != 0) goto out; } @@ -2703,7 +2726,7 @@ int regmap_noinc_read(struct regmap *map, unsigned int reg, read_len = map->max_raw_read; else read_len = val_len; - ret = _regmap_raw_read(map, reg, val, read_len); + ret = _regmap_raw_read(map, reg, val, read_len, true); if (ret) goto out_unlock; val = ((u8 *)val) + read_len; diff --git a/drivers/block/aoe/aoecmd.c b/drivers/block/aoe/aoecmd.c index 3cf9bc5d8d9599..6dba4139515517 100644 --- a/drivers/block/aoe/aoecmd.c +++ b/drivers/block/aoe/aoecmd.c @@ -1135,7 +1135,7 @@ noskb: if (buf) break; } bvcpy(skb, f->buf->bio, f->iter, n); - /* fall through */ + fallthrough; case ATA_CMD_PIO_WRITE: case ATA_CMD_PIO_WRITE_EXT: spin_lock_irq(&d->lock); diff --git a/drivers/block/ataflop.c b/drivers/block/ataflop.c index 1553d41f0b9161..a50e13af030526 100644 --- a/drivers/block/ataflop.c +++ b/drivers/block/ataflop.c @@ -1726,7 +1726,7 @@ static int fd_locked_ioctl(struct block_device *bdev, fmode_t mode, /* MSch: invalidate default_params */ default_params[drive].blocks = 0; set_capacity(floppy->disk, MAX_DISK_SIZE * 2); - /* Fall through */ + fallthrough; case FDFMTEND: case FDFLUSH: /* invalidate the buffer track to force a reread */ diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h index fe6cb99eb91764..740e93bad21feb 100644 --- a/drivers/block/drbd/drbd_int.h +++ b/drivers/block/drbd/drbd_int.h @@ -1733,7 +1733,7 @@ static inline void __drbd_chk_io_error_(struct drbd_device *device, _drbd_set_state(_NS(device, disk, D_INCONSISTENT), CS_HARD, NULL); break; } - /* fall through - for DRBD_META_IO_ERROR or DRBD_FORCE_DETACH */ + fallthrough; /* for DRBD_META_IO_ERROR or DRBD_FORCE_DETACH */ case EP_DETACH: case EP_CALL_HELPER: /* Remember whether we saw a READ or WRITE error. diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c index cb687ccdbd96f0..573dbf6f0c31c4 100644 --- a/drivers/block/drbd/drbd_main.c +++ b/drivers/block/drbd/drbd_main.c @@ -430,7 +430,7 @@ int drbd_thread_start(struct drbd_thread *thi) thi->t_state = RESTARTING; drbd_info(resource, "Restarting %s thread (from %s [%d])\n", thi->name, current->comm, current->pid); - /* fall through */ + fallthrough; case RUNNING: case RESTARTING: default: @@ -1553,7 +1553,7 @@ static int _drbd_send_page(struct drbd_peer_device *peer_device, struct page *pa * put_page(); and would cause either a VM_BUG directly, or * __page_cache_release a page that would actually still be referenced * by someone, leading to some obscure delayed Oops somewhere else. */ - if (drbd_disable_sendpage || (page_count(page) < 1) || PageSlab(page)) + if (drbd_disable_sendpage || !sendpage_ok(page)) return _drbd_no_send_page(peer_device, page, offset, size, msg_flags); msg_flags |= MSG_NOSIGNAL; diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c index 28eb078f8b754d..43c8ae4d9fca81 100644 --- a/drivers/block/drbd/drbd_nl.c +++ b/drivers/block/drbd/drbd_nl.c @@ -3883,7 +3883,7 @@ static int nla_put_status_info(struct sk_buff *skb, struct drbd_device *device, if (nla_put_u32(skb, T_helper_exit_code, sib->helper_exit_code)) goto nla_put_failure; - /* fall through */ + fallthrough; case SIB_HELPER_PRE: if (nla_put_string(skb, T_helper, sib->helper_name)) goto nla_put_failure; diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c index 1d17593f5d2bb7..422363daa6180b 100644 --- a/drivers/block/drbd/drbd_receiver.c +++ b/drivers/block/drbd/drbd_receiver.c @@ -1797,7 +1797,7 @@ static int receive_Barrier(struct drbd_connection *connection, struct packet_inf break; else drbd_warn(connection, "Allocation of an epoch failed, slowing down\n"); - /* Fall through */ + fallthrough; case WO_BDEV_FLUSH: case WO_DRAIN_IO: @@ -2917,7 +2917,7 @@ static int receive_DataRequest(struct drbd_connection *connection, struct packet then we would do something smarter here than reading the block... */ peer_req->flags |= EE_RS_THIN_REQ; - /* fall through */ + fallthrough; case P_RS_DATA_REQUEST: peer_req->w.cb = w_e_end_rsdata_req; fault_type = DRBD_FAULT_RS_RD; @@ -3083,7 +3083,7 @@ static int drbd_asb_recover_0p(struct drbd_peer_device *peer_device) __must_hold rv = 1; break; } - /* Else fall through - to one of the other strategies... */ + fallthrough; /* to one of the other strategies */ case ASB_DISCARD_OLDER_PRI: if (self == 0 && peer == 1) { rv = 1; @@ -3096,7 +3096,7 @@ static int drbd_asb_recover_0p(struct drbd_peer_device *peer_device) __must_hold /* Else fall through to one of the other strategies... */ drbd_warn(device, "Discard younger/older primary did not find a decision\n" "Using discard-least-changes instead\n"); - /* fall through */ + fallthrough; case ASB_DISCARD_ZERO_CHG: if (ch_peer == 0 && ch_self == 0) { rv = test_bit(RESOLVE_CONFLICTS, &peer_device->connection->flags) @@ -3108,7 +3108,7 @@ static int drbd_asb_recover_0p(struct drbd_peer_device *peer_device) __must_hold } if (after_sb_0p == ASB_DISCARD_ZERO_CHG) break; - /* else, fall through */ + fallthrough; case ASB_DISCARD_LEAST_CHG: if (ch_self < ch_peer) rv = -1; @@ -3608,7 +3608,7 @@ static enum drbd_conns drbd_sync_handshake(struct drbd_peer_device *peer_device, switch (rr_conflict) { case ASB_CALL_HELPER: drbd_khelper(device, "pri-lost"); - /* fall through */ + fallthrough; case ASB_DISCONNECT: drbd_err(device, "I shall become SyncTarget, but I am primary!\n"); return C_MASK; diff --git a/drivers/block/drbd/drbd_req.c b/drivers/block/drbd/drbd_req.c index 674be09b2da94a..5c975af9c15fb8 100644 --- a/drivers/block/drbd/drbd_req.c +++ b/drivers/block/drbd/drbd_req.c @@ -611,7 +611,7 @@ int __req_mod(struct drbd_request *req, enum drbd_req_event what, drbd_set_out_of_sync(device, req->i.sector, req->i.size); drbd_report_io_error(device, req); __drbd_chk_io_error(device, DRBD_READ_ERROR); - /* fall through. */ + fallthrough; case READ_AHEAD_COMPLETED_WITH_ERROR: /* it is legal to fail read-ahead, no __drbd_chk_io_error in that case. */ mod_rq_state(req, m, RQ_LOCAL_PENDING, RQ_LOCAL_COMPLETED); @@ -836,7 +836,7 @@ int __req_mod(struct drbd_request *req, enum drbd_req_event what, } /* else: FIXME can this happen? */ break; } - /* else, fall through - to BARRIER_ACKED */ + fallthrough; /* to BARRIER_ACKED */ case BARRIER_ACKED: /* barrier ack for READ requests does not make sense */ diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c index 09079aee8dc430..a563b023458a8b 100644 --- a/drivers/block/floppy.c +++ b/drivers/block/floppy.c @@ -1680,7 +1680,7 @@ static void recal_interrupt(void) clear_bit(FD_DISK_NEWCHANGE_BIT, &drive_state[current_drive].flags); drive_state[current_drive].select_date = jiffies; - /* fall through */ + fallthrough; default: debugt(__func__, "default"); /* Recalibrate moves the head by at @@ -3592,7 +3592,7 @@ static int fd_locked_ioctl(struct block_device *bdev, fmode_t mode, unsigned int if (poll_drive(true, FD_RAW_NEED_DISK) == -EINTR) return -EINTR; process_fd_request(); - /* fall through */ + fallthrough; case FDGETDRVSTAT: outparam = &drive_state[drive]; break; diff --git a/drivers/block/loop.c b/drivers/block/loop.c index 2f137d6ce169d5..d3394191e16825 100644 --- a/drivers/block/loop.c +++ b/drivers/block/loop.c @@ -878,6 +878,7 @@ static void loop_config_discard(struct loop_device *lo) struct file *file = lo->lo_backing_file; struct inode *inode = file->f_mapping->host; struct request_queue *q = lo->lo_queue; + u32 granularity, max_discard_sectors; /* * If the backing device is a block device, mirror its zeroing @@ -890,11 +891,10 @@ static void loop_config_discard(struct loop_device *lo) struct request_queue *backingq; backingq = bdev_get_queue(inode->i_bdev); - blk_queue_max_discard_sectors(q, - backingq->limits.max_write_zeroes_sectors); - blk_queue_max_write_zeroes_sectors(q, - backingq->limits.max_write_zeroes_sectors); + max_discard_sectors = backingq->limits.max_write_zeroes_sectors; + granularity = backingq->limits.discard_granularity ?: + queue_physical_block_size(backingq); /* * We use punch hole to reclaim the free space used by the @@ -903,23 +903,26 @@ static void loop_config_discard(struct loop_device *lo) * useful information. */ } else if (!file->f_op->fallocate || lo->lo_encrypt_key_size) { - q->limits.discard_granularity = 0; - q->limits.discard_alignment = 0; - blk_queue_max_discard_sectors(q, 0); - blk_queue_max_write_zeroes_sectors(q, 0); + max_discard_sectors = 0; + granularity = 0; } else { - q->limits.discard_granularity = inode->i_sb->s_blocksize; - q->limits.discard_alignment = 0; - - blk_queue_max_discard_sectors(q, UINT_MAX >> 9); - blk_queue_max_write_zeroes_sectors(q, UINT_MAX >> 9); + max_discard_sectors = UINT_MAX >> 9; + granularity = inode->i_sb->s_blocksize; } - if (q->limits.max_write_zeroes_sectors) + if (max_discard_sectors) { + q->limits.discard_granularity = granularity; + blk_queue_max_discard_sectors(q, max_discard_sectors); + blk_queue_max_write_zeroes_sectors(q, max_discard_sectors); blk_queue_flag_set(QUEUE_FLAG_DISCARD, q); - else + } else { + q->limits.discard_granularity = 0; + blk_queue_max_discard_sectors(q, 0); + blk_queue_max_write_zeroes_sectors(q, 0); blk_queue_flag_clear(QUEUE_FLAG_DISCARD, q); + } + q->limits.discard_alignment = 0; } static void loop_unprepare_queue(struct loop_device *lo) @@ -1111,8 +1114,6 @@ static int loop_configure(struct loop_device *lo, fmode_t mode, mapping = file->f_mapping; inode = mapping->host; - size = get_loop_size(lo, file); - if ((config->info.lo_flags & ~LOOP_CONFIGURE_SETTABLE_FLAGS) != 0) { error = -EINVAL; goto out_unlock; @@ -1162,6 +1163,8 @@ static int loop_configure(struct loop_device *lo, fmode_t mode, loop_update_rotational(lo); loop_update_dio(lo); loop_sysfs_init(lo); + + size = get_loop_size(lo, file); loop_set_size(lo, size); set_blocksize(bdev, S_ISBLK(inode->i_mode) ? @@ -1719,7 +1722,7 @@ static int lo_ioctl(struct block_device *bdev, fmode_t mode, case LOOP_SET_BLOCK_SIZE: if (!(mode & FMODE_WRITE) && !capable(CAP_SYS_ADMIN)) return -EPERM; - /* Fall through */ + fallthrough; default: err = lo_simple_ioctl(lo, cmd, arg); break; @@ -1867,7 +1870,7 @@ static int lo_compat_ioctl(struct block_device *bdev, fmode_t mode, case LOOP_SET_STATUS64: case LOOP_CONFIGURE: arg = (unsigned long) compat_ptr(arg); - /* fall through */ + fallthrough; case LOOP_SET_FD: case LOOP_CHANGE_FD: case LOOP_SET_BLOCK_SIZE: diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c index 3ff4054d6834d2..edf8b632e3d27b 100644 --- a/drivers/block/nbd.c +++ b/drivers/block/nbd.c @@ -1363,6 +1363,8 @@ static void nbd_set_cmd_timeout(struct nbd_device *nbd, u64 timeout) nbd->tag_set.timeout = timeout * HZ; if (timeout) blk_queue_rq_timeout(nbd->disk->queue, timeout * HZ); + else + blk_queue_rq_timeout(nbd->disk->queue, 30 * HZ); } /* Must be called with config_lock held */ diff --git a/drivers/block/null_blk_main.c b/drivers/block/null_blk_main.c index 47a9dad880af2a..d74443a9c8fa23 100644 --- a/drivers/block/null_blk_main.c +++ b/drivers/block/null_blk_main.c @@ -1147,7 +1147,7 @@ static int null_handle_rq(struct nullb_cmd *cmd) len = bvec.bv_len; err = null_transfer(nullb, bvec.bv_page, len, bvec.bv_offset, op_is_write(req_op(rq)), sector, - req_op(rq) & REQ_FUA); + rq->cmd_flags & REQ_FUA); if (err) { spin_unlock_irq(&nullb->lock); return err; diff --git a/drivers/block/paride/pd.c b/drivers/block/paride/pd.c index c0967507d085e4..a7af4f27b7c3f1 100644 --- a/drivers/block/paride/pd.c +++ b/drivers/block/paride/pd.c @@ -440,7 +440,7 @@ static void run_fsm(void) pd_claimed = 1; if (!pi_schedule_claimed(pi_current, run_fsm)) return; - /* fall through */ + fallthrough; case 1: pd_claimed = 2; pi_current->proto->connect(pi_current); @@ -465,7 +465,7 @@ static void run_fsm(void) if (stop) return; } - /* fall through */ + fallthrough; case Hold: schedule_fsm(); return; diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c index 4becc1efe775fc..1034e445680c56 100644 --- a/drivers/block/pktcdvd.c +++ b/drivers/block/pktcdvd.c @@ -2641,7 +2641,7 @@ static int pkt_ioctl(struct block_device *bdev, fmode_t mode, unsigned int cmd, */ if (pd->refcnt == 1) pkt_lock_door(pd, 0); - /* fall through */ + fallthrough; /* * forward selected CDROM ioctls to CD-ROM, for UDF */ diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index d9c0e7d154f9f1..e77eaab5cf23ed 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -3293,7 +3293,7 @@ again: case __RBD_OBJ_COPYUP_OBJECT_MAPS: if (!pending_result_dec(&obj_req->pending, result)) return false; - /* fall through */ + fallthrough; case RBD_OBJ_COPYUP_OBJECT_MAPS: if (*result) { rbd_warn(rbd_dev, "snap object map update failed: %d", @@ -3312,7 +3312,7 @@ again: case __RBD_OBJ_COPYUP_WRITE_OBJECT: if (!pending_result_dec(&obj_req->pending, result)) return false; - /* fall through */ + fallthrough; case RBD_OBJ_COPYUP_WRITE_OBJECT: return true; default: @@ -3399,7 +3399,7 @@ again: case __RBD_OBJ_WRITE_COPYUP: if (!rbd_obj_advance_copyup(obj_req, result)) return false; - /* fall through */ + fallthrough; case RBD_OBJ_WRITE_COPYUP: if (*result) { rbd_warn(rbd_dev, "copyup failed: %d", *result); @@ -3592,7 +3592,7 @@ again: case __RBD_IMG_OBJECT_REQUESTS: if (!pending_result_dec(&img_req->pending, result)) return false; - /* fall through */ + fallthrough; case RBD_IMG_OBJECT_REQUESTS: return true; default: @@ -5120,6 +5120,9 @@ static ssize_t rbd_config_info_show(struct device *dev, { struct rbd_device *rbd_dev = dev_to_rbd_dev(dev); + if (!capable(CAP_SYS_ADMIN)) + return -EPERM; + return sprintf(buf, "%s\n", rbd_dev->config_info); } @@ -5231,6 +5234,9 @@ static ssize_t rbd_image_refresh(struct device *dev, struct rbd_device *rbd_dev = dev_to_rbd_dev(dev); int ret; + if (!capable(CAP_SYS_ADMIN)) + return -EPERM; + ret = rbd_dev_refresh(rbd_dev); if (ret) return ret; @@ -7059,6 +7065,9 @@ static ssize_t do_rbd_add(struct bus_type *bus, struct rbd_client *rbdc; int rc; + if (!capable(CAP_SYS_ADMIN)) + return -EPERM; + if (!try_module_get(THIS_MODULE)) return -ENODEV; @@ -7209,6 +7218,9 @@ static ssize_t do_rbd_remove(struct bus_type *bus, bool force = false; int ret; + if (!capable(CAP_SYS_ADMIN)) + return -EPERM; + dev_id = -1; opt_buf[0] = '\0'; sscanf(buf, "%d %5s", &dev_id, opt_buf); diff --git a/drivers/block/rnbd/rnbd-srv.c b/drivers/block/rnbd/rnbd-srv.c index 0fb94843a495f9..e1bc8b4cd59290 100644 --- a/drivers/block/rnbd/rnbd-srv.c +++ b/drivers/block/rnbd/rnbd-srv.c @@ -148,7 +148,8 @@ static int process_rdma(struct rtrs_srv *sess, /* Generate bio with pages pointing to the rdma buffer */ bio = rnbd_bio_map_kern(data, sess_dev->rnbd_dev->ibd_bio_set, datalen, GFP_KERNEL); if (IS_ERR(bio)) { - rnbd_srv_err(sess_dev, "Failed to generate bio, err: %ld\n", PTR_ERR(bio)); + err = PTR_ERR(bio); + rnbd_srv_err(sess_dev, "Failed to generate bio, err: %d\n", err); goto sess_dev_put; } diff --git a/drivers/block/rsxx/core.c b/drivers/block/rsxx/core.c index 7e261224ff1065..8799e3bab0677b 100644 --- a/drivers/block/rsxx/core.c +++ b/drivers/block/rsxx/core.c @@ -425,7 +425,7 @@ static void card_state_change(struct rsxx_cardinfo *card, * Fall through so the DMA devices can be attached and * the user can attempt to pull off their data. */ - /* fall through */ + fallthrough; case CARD_STATE_GOOD: st = rsxx_get_card_size8(card, &card->size8); if (st) diff --git a/drivers/block/skd_main.c b/drivers/block/skd_main.c index 3a476dc1d14f57..ae6454c24594f9 100644 --- a/drivers/block/skd_main.c +++ b/drivers/block/skd_main.c @@ -1436,7 +1436,7 @@ static void skd_resolve_req_exception(struct skd_device *skdev, blk_mq_requeue_request(req, true); break; } - /* fall through */ + fallthrough; case SKD_CHECK_STATUS_REPORT_ERROR: default: diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c index 63b213e00b3752..b2e48dac1ebdb8 100644 --- a/drivers/block/virtio_blk.c +++ b/drivers/block/virtio_blk.c @@ -126,16 +126,31 @@ static int virtblk_setup_discard_write_zeroes(struct request *req, bool unmap) if (!range) return -ENOMEM; - __rq_for_each_bio(bio, req) { - u64 sector = bio->bi_iter.bi_sector; - u32 num_sectors = bio->bi_iter.bi_size >> SECTOR_SHIFT; - - range[n].flags = cpu_to_le32(flags); - range[n].num_sectors = cpu_to_le32(num_sectors); - range[n].sector = cpu_to_le64(sector); - n++; + /* + * Single max discard segment means multi-range discard isn't + * supported, and block layer only runs contiguity merge like + * normal RW request. So we can't reply on bio for retrieving + * each range info. + */ + if (queue_max_discard_segments(req->q) == 1) { + range[0].flags = cpu_to_le32(flags); + range[0].num_sectors = cpu_to_le32(blk_rq_sectors(req)); + range[0].sector = cpu_to_le64(blk_rq_pos(req)); + n = 1; + } else { + __rq_for_each_bio(bio, req) { + u64 sector = bio->bi_iter.bi_sector; + u32 num_sectors = bio->bi_iter.bi_size >> SECTOR_SHIFT; + + range[n].flags = cpu_to_le32(flags); + range[n].num_sectors = cpu_to_le32(num_sectors); + range[n].sector = cpu_to_le64(sector); + n++; + } } + WARN_ON_ONCE(n != segments); + req->special_vec.bv_page = virt_to_page(range); req->special_vec.bv_offset = offset_in_page(range); req->special_vec.bv_len = sizeof(*range) * segments; diff --git a/drivers/block/xen-blkback/blkback.c b/drivers/block/xen-blkback/blkback.c index c2f71265af4b57..adfc9352351dfb 100644 --- a/drivers/block/xen-blkback/blkback.c +++ b/drivers/block/xen-blkback/blkback.c @@ -1260,7 +1260,7 @@ static int dispatch_rw_block_io(struct xen_blkif_ring *ring, break; case BLKIF_OP_WRITE_BARRIER: drain = true; - /* fall through */ + fallthrough; case BLKIF_OP_FLUSH_DISKCACHE: ring->st_f_req++; operation = REQ_OP_WRITE; diff --git a/drivers/block/xen-blkback/xenbus.c b/drivers/block/xen-blkback/xenbus.c index 42944d41aea038..b9aa5d1ac10b7f 100644 --- a/drivers/block/xen-blkback/xenbus.c +++ b/drivers/block/xen-blkback/xenbus.c @@ -843,7 +843,7 @@ static void frontend_changed(struct xenbus_device *dev, xenbus_switch_state(dev, XenbusStateClosed); if (xenbus_dev_is_online(dev)) break; - /* fall through */ + fallthrough; /* if not online */ case XenbusStateUnknown: /* implies xen_blkif_disconnect() via xen_blkbk_remove() */ diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c index 3bb3dd8da9b0c1..91de2e0755aec4 100644 --- a/drivers/block/xen-blkfront.c +++ b/drivers/block/xen-blkfront.c @@ -1403,7 +1403,6 @@ static enum blk_req_status blkif_rsp_to_req_status(int rsp) case BLKIF_RSP_EOPNOTSUPP: return REQ_EOPNOTSUPP; case BLKIF_RSP_ERROR: - /* Fallthrough. */ default: return REQ_ERROR; } @@ -1643,7 +1642,7 @@ static irqreturn_t blkif_interrupt(int irq, void *dev_id) info->feature_flush = 0; xlvbd_flush(info); } - /* fall through */ + fallthrough; case BLKIF_OP_READ: case BLKIF_OP_WRITE: if (unlikely(bret->status != BLKIF_RSP_OKAY)) @@ -2484,7 +2483,7 @@ static void blkback_changed(struct xenbus_device *dev, case XenbusStateClosed: if (dev->state == XenbusStateClosed) break; - /* fall through */ + fallthrough; case XenbusStateClosing: if (info) blkfront_closing(info); diff --git a/drivers/bus/ti-sysc.c b/drivers/bus/ti-sysc.c index fb5a901fd89e57..efb088df127668 100644 --- a/drivers/bus/ti-sysc.c +++ b/drivers/bus/ti-sysc.c @@ -1849,7 +1849,7 @@ static int sysc_clockdomain_init(struct sysc *ddata) switch (ddata->nr_clocks) { case 2: ick = ddata->clocks[SYSC_ICK]; - /* fallthrough */ + fallthrough; case 1: fck = ddata->clocks[SYSC_FCK]; break; diff --git a/drivers/char/agp/ali-agp.c b/drivers/char/agp/ali-agp.c index 89527bae4602a9..760d9a9312898b 100644 --- a/drivers/char/agp/ali-agp.c +++ b/drivers/char/agp/ali-agp.c @@ -357,7 +357,7 @@ found: default: break; } - /*FALLTHROUGH*/ + fallthrough; default: bridge->driver = &ali_generic_bridge; } diff --git a/drivers/char/hw_random/ingenic-rng.c b/drivers/char/hw_random/ingenic-rng.c index d704cef64b64a8..055cfe59f519db 100644 --- a/drivers/char/hw_random/ingenic-rng.c +++ b/drivers/char/hw_random/ingenic-rng.c @@ -92,8 +92,7 @@ static int ingenic_rng_probe(struct platform_device *pdev) priv->base = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(priv->base)) { pr_err("%s: Failed to map RNG registers\n", __func__); - ret = PTR_ERR(priv->base); - goto err_free_rng; + return PTR_ERR(priv->base); } priv->version = (enum ingenic_rng_version)of_device_get_match_data(&pdev->dev); @@ -106,17 +105,13 @@ static int ingenic_rng_probe(struct platform_device *pdev) ret = hwrng_register(&priv->rng); if (ret) { dev_err(&pdev->dev, "Failed to register hwrng\n"); - goto err_free_rng; + return ret; } platform_set_drvdata(pdev, priv); dev_info(&pdev->dev, "Ingenic RNG driver registered\n"); return 0; - -err_free_rng: - kfree(priv); - return ret; } static int ingenic_rng_remove(struct platform_device *pdev) diff --git a/drivers/char/ipmi/kcs_bmc.c b/drivers/char/ipmi/kcs_bmc.c index ed4dc3b1843e3a..f292e74bd4a515 100644 --- a/drivers/char/ipmi/kcs_bmc.c +++ b/drivers/char/ipmi/kcs_bmc.c @@ -99,7 +99,7 @@ static void kcs_bmc_handle_data(struct kcs_bmc *kcs_bmc) switch (kcs_bmc->phase) { case KCS_PHASE_WRITE_START: kcs_bmc->phase = KCS_PHASE_WRITE_DATA; - /* fall through */ + fallthrough; case KCS_PHASE_WRITE_DATA: if (kcs_bmc->data_in_idx < KCS_MSG_BUFSIZ) { diff --git a/drivers/char/lp.c b/drivers/char/lp.c index bd95aba1f9fe8e..45932f05fd678f 100644 --- a/drivers/char/lp.c +++ b/drivers/char/lp.c @@ -734,7 +734,7 @@ static long lp_ioctl(struct file *file, unsigned int cmd, ret = lp_set_timeout32(minor, (void __user *)arg); break; } - /* fall through - for 64-bit */ + fallthrough; /* for 64-bit */ case LPSETTIMEOUT_NEW: ret = lp_set_timeout64(minor, (void __user *)arg); break; @@ -762,7 +762,7 @@ static long lp_compat_ioctl(struct file *file, unsigned int cmd, ret = lp_set_timeout32(minor, (void __user *)arg); break; } - /* fall through - for x32 mode */ + fallthrough; /* for x32 mode */ case LPSETTIMEOUT_NEW: ret = lp_set_timeout64(minor, (void __user *)arg); break; diff --git a/drivers/char/mem.c b/drivers/char/mem.c index 687d4af6945d36..abd4ffdc8cdebc 100644 --- a/drivers/char/mem.c +++ b/drivers/char/mem.c @@ -791,7 +791,7 @@ static loff_t memory_lseek(struct file *file, loff_t offset, int orig) switch (orig) { case SEEK_CUR: offset += file->f_pos; - /* fall through */ + fallthrough; case SEEK_SET: /* to avoid userland mistaking f_pos=-9 as -EBADF=-9 */ if ((unsigned long long)offset >= -MAX_ERRNO) { diff --git a/drivers/char/nvram.c b/drivers/char/nvram.c index 8206412d25ba7e..e9f694b368719f 100644 --- a/drivers/char/nvram.c +++ b/drivers/char/nvram.c @@ -286,7 +286,7 @@ static long nvram_misc_ioctl(struct file *file, unsigned int cmd, #ifdef CONFIG_PPC case OBSOLETE_PMAC_NVRAM_GET_OFFSET: pr_warn("nvram: Using obsolete PMAC_NVRAM_GET_OFFSET ioctl\n"); - /* fall through */ + fallthrough; case IOC_NVRAM_GET_OFFSET: ret = -EINVAL; #ifdef CONFIG_PPC_PMAC diff --git a/drivers/clk/bcm/Kconfig b/drivers/clk/bcm/Kconfig index 784f12c72365be..ec738f74a026cf 100644 --- a/drivers/clk/bcm/Kconfig +++ b/drivers/clk/bcm/Kconfig @@ -5,6 +5,7 @@ config CLK_BCM2711_DVP depends on ARCH_BCM2835 ||COMPILE_TEST depends on COMMON_CLK default ARCH_BCM2835 + select RESET_CONTROLLER select RESET_SIMPLE help Enable common clock framework support for the Broadcom BCM2711 diff --git a/drivers/clk/davinci/pll.c b/drivers/clk/davinci/pll.c index 6c35e4bb79404b..0d750433eb42d8 100644 --- a/drivers/clk/davinci/pll.c +++ b/drivers/clk/davinci/pll.c @@ -491,7 +491,7 @@ struct clk *davinci_pll_clk_register(struct device *dev, parent_name = postdiv_name; } - pllen = kzalloc(sizeof(*pllout), GFP_KERNEL); + pllen = kzalloc(sizeof(*pllen), GFP_KERNEL); if (!pllen) { ret = -ENOMEM; goto err_unregister_postdiv; diff --git a/drivers/clk/qcom/lpasscorecc-sc7180.c b/drivers/clk/qcom/lpasscorecc-sc7180.c index d4c1864e1ee94f..228d08f5d26fa1 100644 --- a/drivers/clk/qcom/lpasscorecc-sc7180.c +++ b/drivers/clk/qcom/lpasscorecc-sc7180.c @@ -420,17 +420,18 @@ static int lpass_core_sc7180_probe(struct platform_device *pdev) pm_runtime_enable(&pdev->dev); ret = pm_clk_create(&pdev->dev); if (ret) - return ret; + goto disable_pm_runtime; ret = pm_clk_add(&pdev->dev, "iface"); if (ret < 0) { dev_err(&pdev->dev, "failed to acquire iface clock\n"); - goto disable_pm_runtime; + goto destroy_pm_clk; } + ret = -EINVAL; clk_probe = of_device_get_match_data(&pdev->dev); if (!clk_probe) - return -EINVAL; + goto destroy_pm_clk; ret = clk_probe(pdev); if (ret) diff --git a/drivers/clk/rockchip/clk-rk3228.c b/drivers/clk/rockchip/clk-rk3228.c index d7243c09cc843a..47d6482dda9dfd 100644 --- a/drivers/clk/rockchip/clk-rk3228.c +++ b/drivers/clk/rockchip/clk-rk3228.c @@ -137,7 +137,7 @@ PNAME(mux_usb480m_p) = { "usb480m_phy", "xin24m" }; PNAME(mux_hdmiphy_p) = { "hdmiphy_phy", "xin24m" }; PNAME(mux_aclk_cpu_src_p) = { "cpll_aclk_cpu", "gpll_aclk_cpu", "hdmiphy_aclk_cpu" }; -PNAME(mux_pll_src_4plls_p) = { "cpll", "gpll", "hdmiphy" "usb480m" }; +PNAME(mux_pll_src_4plls_p) = { "cpll", "gpll", "hdmiphy", "usb480m" }; PNAME(mux_pll_src_3plls_p) = { "cpll", "gpll", "hdmiphy" }; PNAME(mux_pll_src_2plls_p) = { "cpll", "gpll" }; PNAME(mux_sclk_hdmi_cec_p) = { "cpll", "gpll", "xin24m" }; diff --git a/drivers/clk/samsung/clk-exynos4.c b/drivers/clk/samsung/clk-exynos4.c index 51564fc23c6398..f4086287bb71bb 100644 --- a/drivers/clk/samsung/clk-exynos4.c +++ b/drivers/clk/samsung/clk-exynos4.c @@ -927,7 +927,7 @@ static const struct samsung_gate_clock exynos4210_gate_clks[] __initconst = { GATE(CLK_PCIE, "pcie", "aclk133", GATE_IP_FSYS, 14, 0, 0), GATE(CLK_SMMU_PCIE, "smmu_pcie", "aclk133", GATE_IP_FSYS, 18, 0, 0), GATE(CLK_MODEMIF, "modemif", "aclk100", GATE_IP_PERIL, 28, 0, 0), - GATE(CLK_CHIPID, "chipid", "aclk100", E4210_GATE_IP_PERIR, 0, 0, 0), + GATE(CLK_CHIPID, "chipid", "aclk100", E4210_GATE_IP_PERIR, 0, CLK_IGNORE_UNUSED, 0), GATE(CLK_SYSREG, "sysreg", "aclk100", E4210_GATE_IP_PERIR, 0, CLK_IGNORE_UNUSED, 0), GATE(CLK_HDMI_CEC, "hdmi_cec", "aclk100", E4210_GATE_IP_PERIR, 11, 0, @@ -969,7 +969,7 @@ static const struct samsung_gate_clock exynos4x12_gate_clks[] __initconst = { 0), GATE(CLK_TSADC, "tsadc", "aclk133", E4X12_GATE_BUS_FSYS1, 16, 0, 0), GATE(CLK_MIPI_HSI, "mipi_hsi", "aclk133", GATE_IP_FSYS, 10, 0, 0), - GATE(CLK_CHIPID, "chipid", "aclk100", E4X12_GATE_IP_PERIR, 0, 0, 0), + GATE(CLK_CHIPID, "chipid", "aclk100", E4X12_GATE_IP_PERIR, 0, CLK_IGNORE_UNUSED, 0), GATE(CLK_SYSREG, "sysreg", "aclk100", E4X12_GATE_IP_PERIR, 1, CLK_IGNORE_UNUSED, 0), GATE(CLK_HDMI_CEC, "hdmi_cec", "aclk100", E4X12_GATE_IP_PERIR, 11, 0, diff --git a/drivers/clk/samsung/clk-exynos5420.c b/drivers/clk/samsung/clk-exynos5420.c index fea33399a632d8..bd620876544d91 100644 --- a/drivers/clk/samsung/clk-exynos5420.c +++ b/drivers/clk/samsung/clk-exynos5420.c @@ -1655,6 +1655,11 @@ static void __init exynos5x_clk_init(struct device_node *np, * main G3D clock enablement status. */ clk_prepare_enable(__clk_lookup("mout_sw_aclk_g3d")); + /* + * Keep top BPLL mux enabled permanently to ensure that DRAM operates + * properly. + */ + clk_prepare_enable(__clk_lookup("mout_bpll")); samsung_clk_of_add_provider(np, ctx); } diff --git a/drivers/clk/socfpga/clk-s10.c b/drivers/clk/socfpga/clk-s10.c index c1dfc9b34e4e92..661a8e9bfb9bd2 100644 --- a/drivers/clk/socfpga/clk-s10.c +++ b/drivers/clk/socfpga/clk-s10.c @@ -209,7 +209,7 @@ static const struct stratix10_perip_cnt_clock s10_main_perip_cnt_clks[] = { { STRATIX10_EMAC_B_FREE_CLK, "emacb_free_clk", NULL, emacb_free_mux, ARRAY_SIZE(emacb_free_mux), 0, 0, 2, 0xB0, 1}, { STRATIX10_EMAC_PTP_FREE_CLK, "emac_ptp_free_clk", NULL, emac_ptp_free_mux, - ARRAY_SIZE(emac_ptp_free_mux), 0, 0, 4, 0xB0, 2}, + ARRAY_SIZE(emac_ptp_free_mux), 0, 0, 2, 0xB0, 2}, { STRATIX10_GPIO_DB_FREE_CLK, "gpio_db_free_clk", NULL, gpio_db_free_mux, ARRAY_SIZE(gpio_db_free_mux), 0, 0, 0, 0xB0, 3}, { STRATIX10_SDMMC_FREE_CLK, "sdmmc_free_clk", NULL, sdmmc_free_mux, diff --git a/drivers/clk/tegra/clk-pll.c b/drivers/clk/tegra/clk-pll.c index f180c055d33f12..c5cc0a2dac6ff8 100644 --- a/drivers/clk/tegra/clk-pll.c +++ b/drivers/clk/tegra/clk-pll.c @@ -1611,9 +1611,6 @@ static int clk_plle_tegra114_enable(struct clk_hw *hw) unsigned long flags = 0; unsigned long input_rate; - if (clk_pll_is_enabled(hw)) - return 0; - input_rate = clk_hw_get_rate(clk_hw_get_parent(hw)); if (_get_table_rate(hw, &sel, pll->params->fixed_rate, input_rate)) @@ -1673,7 +1670,7 @@ static int clk_plle_tegra114_enable(struct clk_hw *hw) pll_writel(val, PLLE_SS_CTRL, pll); udelay(1); - /* Enable hw control of xusb brick pll */ + /* Enable HW control of XUSB brick PLL */ val = pll_readl_misc(pll); val &= ~PLLE_MISC_IDDQ_SW_CTRL; pll_writel_misc(val, pll); @@ -1696,7 +1693,7 @@ static int clk_plle_tegra114_enable(struct clk_hw *hw) val |= XUSBIO_PLL_CFG0_SEQ_ENABLE; pll_writel(val, XUSBIO_PLL_CFG0, pll); - /* Enable hw control of SATA pll */ + /* Enable HW control of SATA PLL */ val = pll_readl(SATA_PLL_CFG0, pll); val &= ~SATA_PLL_CFG0_PADPLL_RESET_SWCTL; val |= SATA_PLL_CFG0_PADPLL_USE_LOCKDET; diff --git a/drivers/clk/tegra/clk-tegra210-emc.c b/drivers/clk/tegra/clk-tegra210-emc.c index 352a2c3fc37407..51fd0ec2a2d04c 100644 --- a/drivers/clk/tegra/clk-tegra210-emc.c +++ b/drivers/clk/tegra/clk-tegra210-emc.c @@ -12,6 +12,8 @@ #include <linux/io.h> #include <linux/slab.h> +#include "clk.h" + #define CLK_SOURCE_EMC 0x19c #define CLK_SOURCE_EMC_2X_CLK_SRC GENMASK(31, 29) #define CLK_SOURCE_EMC_MC_EMC_SAME_FREQ BIT(16) diff --git a/drivers/clk/versatile/clk-impd1.c b/drivers/clk/versatile/clk-impd1.c index ca798249544d02..85c395df9c0084 100644 --- a/drivers/clk/versatile/clk-impd1.c +++ b/drivers/clk/versatile/clk-impd1.c @@ -109,8 +109,10 @@ static int integrator_impd1_clk_probe(struct platform_device *pdev) for_each_available_child_of_node(np, child) { ret = integrator_impd1_clk_spawn(dev, np, child); - if (ret) + if (ret) { + of_node_put(child); break; + } } return ret; diff --git a/drivers/clocksource/h8300_timer8.c b/drivers/clocksource/h8300_timer8.c index 1d740a8c42ab32..47114c2a7cb544 100644 --- a/drivers/clocksource/h8300_timer8.c +++ b/drivers/clocksource/h8300_timer8.c @@ -169,7 +169,7 @@ static int __init h8300_8timer_init(struct device_node *node) return PTR_ERR(clk); } - ret = ENXIO; + ret = -ENXIO; base = of_iomap(node, 0); if (!base) { pr_err("failed to map registers for clockevent\n"); diff --git a/drivers/clocksource/timer-cadence-ttc.c b/drivers/clocksource/timer-cadence-ttc.c index 38858e141731ef..80e9606020307e 100644 --- a/drivers/clocksource/timer-cadence-ttc.c +++ b/drivers/clocksource/timer-cadence-ttc.c @@ -309,7 +309,7 @@ static int ttc_rate_change_clocksource_cb(struct notifier_block *nb, /* restore original register value */ writel_relaxed(ttccs->scale_clk_ctrl_reg_old, ttccs->ttc.base_addr + TTC_CLK_CNTRL_OFFSET); - /* fall through */ + fallthrough; default: return NOTIFY_DONE; } @@ -392,7 +392,7 @@ static int ttc_rate_change_clockevent_cb(struct notifier_block *nb, clockevents_update_freq(&ttcce->ce, ndata->new_rate / PRESCALE); - /* fall through */ + fallthrough; case PRE_RATE_CHANGE: case ABORT_RATE_CHANGE: default: diff --git a/drivers/clocksource/timer-clint.c b/drivers/clocksource/timer-clint.c index 8eeafa82c03d3d..6cfe2ab73eb0cc 100644 --- a/drivers/clocksource/timer-clint.c +++ b/drivers/clocksource/timer-clint.c @@ -19,6 +19,11 @@ #include <linux/interrupt.h> #include <linux/of_irq.h> #include <linux/smp.h> +#include <linux/timex.h> + +#ifndef CONFIG_RISCV_M_MODE +#include <asm/clint.h> +#endif #define CLINT_IPI_OFF 0 #define CLINT_TIMER_CMP_OFF 0x4000 @@ -31,6 +36,11 @@ static u64 __iomem *clint_timer_val; static unsigned long clint_timer_freq; static unsigned int clint_timer_irq; +#ifdef CONFIG_RISCV_M_MODE +u64 __iomem *clint_time_val; +EXPORT_SYMBOL(clint_time_val); +#endif + static void clint_send_ipi(const struct cpumask *target) { unsigned int cpu; @@ -184,6 +194,14 @@ static int __init clint_timer_init_dt(struct device_node *np) clint_timer_val = base + CLINT_TIMER_VAL_OFF; clint_timer_freq = riscv_timebase; +#ifdef CONFIG_RISCV_M_MODE + /* + * Yes, that's an odd naming scheme. time_val is public, but hopefully + * will die in favor of something cleaner. + */ + clint_time_val = clint_timer_val; +#endif + pr_info("%pOFP: timer running at %ld Hz\n", np, clint_timer_freq); rc = clocksource_register_hz(&clint_clocksource, clint_timer_freq); diff --git a/drivers/clocksource/timer-gx6605s.c b/drivers/clocksource/timer-gx6605s.c index 80d0939d040b51..8d386adbe8009a 100644 --- a/drivers/clocksource/timer-gx6605s.c +++ b/drivers/clocksource/timer-gx6605s.c @@ -28,6 +28,7 @@ static irqreturn_t gx6605s_timer_interrupt(int irq, void *dev) void __iomem *base = timer_of_base(to_timer_of(ce)); writel_relaxed(GX6605S_STATUS_CLR, base + TIMER_STATUS); + writel_relaxed(0, base + TIMER_INI); ce->event_handler(ce); diff --git a/drivers/clocksource/timer-ti-dm-systimer.c b/drivers/clocksource/timer-ti-dm-systimer.c index f6fd1c1cc527f9..33b3e8aa2cc50c 100644 --- a/drivers/clocksource/timer-ti-dm-systimer.c +++ b/drivers/clocksource/timer-ti-dm-systimer.c @@ -69,12 +69,33 @@ static bool dmtimer_systimer_revision1(struct dmtimer_systimer *t) return !(tidr >> 16); } +static void dmtimer_systimer_enable(struct dmtimer_systimer *t) +{ + u32 val; + + if (dmtimer_systimer_revision1(t)) + val = DMTIMER_TYPE1_ENABLE; + else + val = DMTIMER_TYPE2_ENABLE; + + writel_relaxed(val, t->base + t->sysc); +} + +static void dmtimer_systimer_disable(struct dmtimer_systimer *t) +{ + if (!dmtimer_systimer_revision1(t)) + return; + + writel_relaxed(DMTIMER_TYPE1_DISABLE, t->base + t->sysc); +} + static int __init dmtimer_systimer_type1_reset(struct dmtimer_systimer *t) { void __iomem *syss = t->base + OMAP_TIMER_V1_SYS_STAT_OFFSET; int ret; u32 l; + dmtimer_systimer_enable(t); writel_relaxed(BIT(1) | BIT(2), t->base + t->ifctrl); ret = readl_poll_timeout_atomic(syss, l, l & BIT(0), 100, DMTIMER_RESET_WAIT); @@ -88,6 +109,7 @@ static int __init dmtimer_systimer_type2_reset(struct dmtimer_systimer *t) void __iomem *sysc = t->base + t->sysc; u32 l; + dmtimer_systimer_enable(t); l = readl_relaxed(sysc); l |= BIT(0); writel_relaxed(l, sysc); @@ -336,26 +358,6 @@ static int __init dmtimer_systimer_init_clock(struct dmtimer_systimer *t, return 0; } -static void dmtimer_systimer_enable(struct dmtimer_systimer *t) -{ - u32 val; - - if (dmtimer_systimer_revision1(t)) - val = DMTIMER_TYPE1_ENABLE; - else - val = DMTIMER_TYPE2_ENABLE; - - writel_relaxed(val, t->base + t->sysc); -} - -static void dmtimer_systimer_disable(struct dmtimer_systimer *t) -{ - if (!dmtimer_systimer_revision1(t)) - return; - - writel_relaxed(DMTIMER_TYPE1_DISABLE, t->base + t->sysc); -} - static int __init dmtimer_systimer_setup(struct device_node *np, struct dmtimer_systimer *t) { @@ -409,8 +411,8 @@ static int __init dmtimer_systimer_setup(struct device_node *np, t->wakeup = regbase + _OMAP_TIMER_WAKEUP_EN_OFFSET; t->ifctrl = regbase + _OMAP_TIMER_IF_CTRL_OFFSET; - dmtimer_systimer_enable(t); dmtimer_systimer_reset(t); + dmtimer_systimer_enable(t); pr_debug("dmtimer rev %08x sysc %08x\n", readl_relaxed(t->base), readl_relaxed(t->base + t->sysc)); diff --git a/drivers/counter/microchip-tcb-capture.c b/drivers/counter/microchip-tcb-capture.c index f7b7743ddb947c..b7b252c5addf1b 100644 --- a/drivers/counter/microchip-tcb-capture.c +++ b/drivers/counter/microchip-tcb-capture.c @@ -320,8 +320,8 @@ static int mchp_tc_probe(struct platform_device *pdev) } regmap = syscon_node_to_regmap(np->parent); - if (IS_ERR(priv->regmap)) - return PTR_ERR(priv->regmap); + if (IS_ERR(regmap)) + return PTR_ERR(regmap); /* max. channels number is 2 when in QDEC mode */ priv->num_channels = of_property_count_u32_elems(np, "reg"); diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index 02ab56b2a0d8dd..47aa90f9a7c2e2 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -703,8 +703,7 @@ static ssize_t show_scaling_cur_freq(struct cpufreq_policy *policy, char *buf) freq = arch_freq_get_on_cpu(policy->cpu); if (freq) ret = sprintf(buf, "%u\n", freq); - else if (cpufreq_driver && cpufreq_driver->setpolicy && - cpufreq_driver->get) + else if (cpufreq_driver->setpolicy && cpufreq_driver->get) ret = sprintf(buf, "%u\n", cpufreq_driver->get(policy->cpu)); else ret = sprintf(buf, "%u\n", policy->cur); diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index e0220a6fbc69e6..9a515c460a0083 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -219,14 +219,13 @@ struct global_params { * @epp_policy: Last saved policy used to set EPP/EPB * @epp_default: Power on default HWP energy performance * preference/bias - * @epp_saved: Saved EPP/EPB during system suspend or CPU offline - * operation * @epp_cached Cached HWP energy-performance preference value * @hwp_req_cached: Cached value of the last HWP Request MSR * @hwp_cap_cached: Cached value of the last HWP Capabilities MSR * @last_io_update: Last time when IO wake flag was set * @sched_flags: Store scheduler flags for possible cross CPU update * @hwp_boost_min: Last HWP boosted min performance + * @suspended: Whether or not the driver has been suspended. * * This structure stores per CPU instance data for all CPUs. */ @@ -258,13 +257,13 @@ struct cpudata { s16 epp_powersave; s16 epp_policy; s16 epp_default; - s16 epp_saved; s16 epp_cached; u64 hwp_req_cached; u64 hwp_cap_cached; u64 last_io_update; unsigned int sched_flags; u32 hwp_boost_min; + bool suspended; }; static struct cpudata **all_cpu_data; @@ -644,6 +643,8 @@ static int intel_pstate_get_energy_pref_index(struct cpudata *cpu_data, int *raw static int intel_pstate_set_epp(struct cpudata *cpu, u32 epp) { + int ret; + /* * Use the cached HWP Request MSR value, because in the active mode the * register itself may be updated by intel_pstate_hwp_boost_up() or @@ -659,7 +660,11 @@ static int intel_pstate_set_epp(struct cpudata *cpu, u32 epp) * function, so it cannot run in parallel with the update below. */ WRITE_ONCE(cpu->hwp_req_cached, value); - return wrmsrl_on_cpu(cpu->cpu, MSR_HWP_REQUEST, value); + ret = wrmsrl_on_cpu(cpu->cpu, MSR_HWP_REQUEST, value); + if (!ret) + cpu->epp_cached = epp; + + return ret; } static int intel_pstate_set_energy_pref_index(struct cpudata *cpu_data, @@ -678,6 +683,14 @@ static int intel_pstate_set_energy_pref_index(struct cpudata *cpu_data, else if (epp == -EINVAL) epp = epp_values[pref_index - 1]; + /* + * To avoid confusion, refuse to set EPP to any values different + * from 0 (performance) if the current policy is "performance", + * because those values would be overridden. + */ + if (epp > 0 && cpu_data->policy == CPUFREQ_POLICY_PERFORMANCE) + return -EBUSY; + ret = intel_pstate_set_epp(cpu_data, epp); } else { if (epp == -EINVAL) @@ -762,10 +775,8 @@ static ssize_t store_energy_performance_preference( cpufreq_stop_governor(policy); ret = intel_pstate_set_epp(cpu, epp); err = cpufreq_start_governor(policy); - if (!ret) { - cpu->epp_cached = epp; + if (!ret) ret = err; - } } } @@ -825,7 +836,7 @@ static void intel_pstate_get_hwp_max(unsigned int cpu, int *phy_max, rdmsrl_on_cpu(cpu, MSR_HWP_CAPABILITIES, &cap); WRITE_ONCE(all_cpu_data[cpu]->hwp_cap_cached, cap); - if (global.no_turbo) + if (global.no_turbo || global.turbo_disabled) *current_max = HWP_GUARANTEED_PERF(cap); else *current_max = HWP_HIGHEST_PERF(cap); @@ -859,12 +870,6 @@ static void intel_pstate_hwp_set(unsigned int cpu) cpu_data->epp_policy = cpu_data->policy; - if (cpu_data->epp_saved >= 0) { - epp = cpu_data->epp_saved; - cpu_data->epp_saved = -EINVAL; - goto update_epp; - } - if (cpu_data->policy == CPUFREQ_POLICY_PERFORMANCE) { epp = intel_pstate_get_epp(cpu_data, value); cpu_data->epp_powersave = epp; @@ -891,7 +896,6 @@ static void intel_pstate_hwp_set(unsigned int cpu) epp = cpu_data->epp_powersave; } -update_epp: if (boot_cpu_has(X86_FEATURE_HWP_EPP)) { value &= ~GENMASK_ULL(31, 24); value |= (u64)epp << 24; @@ -903,14 +907,24 @@ skip_epp: wrmsrl_on_cpu(cpu, MSR_HWP_REQUEST, value); } -static void intel_pstate_hwp_force_min_perf(int cpu) +static void intel_pstate_hwp_offline(struct cpudata *cpu) { - u64 value; + u64 value = READ_ONCE(cpu->hwp_req_cached); int min_perf; - value = all_cpu_data[cpu]->hwp_req_cached; + if (boot_cpu_has(X86_FEATURE_HWP_EPP)) { + /* + * In case the EPP has been set to "performance" by the + * active mode "performance" scaling algorithm, replace that + * temporary value with the cached EPP one. + */ + value &= ~GENMASK_ULL(31, 24); + value |= HWP_ENERGY_PERF_PREFERENCE(cpu->epp_cached); + WRITE_ONCE(cpu->hwp_req_cached, value); + } + value &= ~GENMASK_ULL(31, 0); - min_perf = HWP_LOWEST_PERF(all_cpu_data[cpu]->hwp_cap_cached); + min_perf = HWP_LOWEST_PERF(cpu->hwp_cap_cached); /* Set hwp_max = hwp_min */ value |= HWP_MAX_PERF(min_perf); @@ -920,19 +934,7 @@ static void intel_pstate_hwp_force_min_perf(int cpu) if (boot_cpu_has(X86_FEATURE_HWP_EPP)) value |= HWP_ENERGY_PERF_PREFERENCE(HWP_EPP_POWERSAVE); - wrmsrl_on_cpu(cpu, MSR_HWP_REQUEST, value); -} - -static int intel_pstate_hwp_save_state(struct cpufreq_policy *policy) -{ - struct cpudata *cpu_data = all_cpu_data[policy->cpu]; - - if (!hwp_active) - return 0; - - cpu_data->epp_saved = intel_pstate_get_epp(cpu_data, 0); - - return 0; + wrmsrl_on_cpu(cpu->cpu, MSR_HWP_REQUEST, value); } #define POWER_CTL_EE_ENABLE 1 @@ -959,8 +961,28 @@ static void set_power_ctl_ee_state(bool input) static void intel_pstate_hwp_enable(struct cpudata *cpudata); +static void intel_pstate_hwp_reenable(struct cpudata *cpu) +{ + intel_pstate_hwp_enable(cpu); + wrmsrl_on_cpu(cpu->cpu, MSR_HWP_REQUEST, READ_ONCE(cpu->hwp_req_cached)); +} + +static int intel_pstate_suspend(struct cpufreq_policy *policy) +{ + struct cpudata *cpu = all_cpu_data[policy->cpu]; + + pr_debug("CPU %d suspending\n", cpu->cpu); + + cpu->suspended = true; + + return 0; +} + static int intel_pstate_resume(struct cpufreq_policy *policy) { + struct cpudata *cpu = all_cpu_data[policy->cpu]; + + pr_debug("CPU %d resuming\n", cpu->cpu); /* Only restore if the system default is changed */ if (power_ctl_ee_state == POWER_CTL_EE_ENABLE) @@ -968,18 +990,16 @@ static int intel_pstate_resume(struct cpufreq_policy *policy) else if (power_ctl_ee_state == POWER_CTL_EE_DISABLE) set_power_ctl_ee_state(false); - if (!hwp_active) - return 0; - - mutex_lock(&intel_pstate_limits_lock); + if (cpu->suspended && hwp_active) { + mutex_lock(&intel_pstate_limits_lock); - if (policy->cpu == 0) - intel_pstate_hwp_enable(all_cpu_data[policy->cpu]); + /* Re-enable HWP, because "online" has not done that. */ + intel_pstate_hwp_reenable(cpu); - all_cpu_data[policy->cpu]->epp_policy = 0; - intel_pstate_hwp_set(policy->cpu); + mutex_unlock(&intel_pstate_limits_lock); + } - mutex_unlock(&intel_pstate_limits_lock); + cpu->suspended = false; return 0; } @@ -1428,7 +1448,6 @@ static void intel_pstate_hwp_enable(struct cpudata *cpudata) wrmsrl_on_cpu(cpudata->cpu, MSR_HWP_INTERRUPT, 0x00); wrmsrl_on_cpu(cpudata->cpu, MSR_PM_ENABLE, 0x1); - cpudata->epp_policy = 0; if (cpudata->epp_default == -EINVAL) cpudata->epp_default = intel_pstate_get_epp(cpudata, 0); } @@ -2097,25 +2116,31 @@ static int intel_pstate_init_cpu(unsigned int cpunum) all_cpu_data[cpunum] = cpu; - cpu->epp_default = -EINVAL; - cpu->epp_powersave = -EINVAL; - cpu->epp_saved = -EINVAL; - } + cpu->cpu = cpunum; - cpu = all_cpu_data[cpunum]; + cpu->epp_default = -EINVAL; - cpu->cpu = cpunum; + if (hwp_active) { + const struct x86_cpu_id *id; - if (hwp_active) { - const struct x86_cpu_id *id; + intel_pstate_hwp_enable(cpu); - intel_pstate_hwp_enable(cpu); - - id = x86_match_cpu(intel_pstate_hwp_boost_ids); - if (id && intel_pstate_acpi_pm_profile_server()) - hwp_boost = true; + id = x86_match_cpu(intel_pstate_hwp_boost_ids); + if (id && intel_pstate_acpi_pm_profile_server()) + hwp_boost = true; + } + } else if (hwp_active) { + /* + * Re-enable HWP in case this happens after a resume from ACPI + * S3 if the CPU was offline during the whole system/resume + * cycle. + */ + intel_pstate_hwp_reenable(cpu); } + cpu->epp_powersave = -EINVAL; + cpu->epp_policy = 0; + intel_pstate_get_cpu_pstates(cpu); pr_debug("controlling: cpu %d\n", cpunum); @@ -2296,28 +2321,61 @@ static int intel_pstate_verify_policy(struct cpufreq_policy_data *policy) return 0; } -static void intel_cpufreq_stop_cpu(struct cpufreq_policy *policy) +static int intel_pstate_cpu_offline(struct cpufreq_policy *policy) { + struct cpudata *cpu = all_cpu_data[policy->cpu]; + + pr_debug("CPU %d going offline\n", cpu->cpu); + + if (cpu->suspended) + return 0; + + /* + * If the CPU is an SMT thread and it goes offline with the performance + * settings different from the minimum, it will prevent its sibling + * from getting to lower performance levels, so force the minimum + * performance on CPU offline to prevent that from happening. + */ if (hwp_active) - intel_pstate_hwp_force_min_perf(policy->cpu); + intel_pstate_hwp_offline(cpu); else - intel_pstate_set_min_pstate(all_cpu_data[policy->cpu]); + intel_pstate_set_min_pstate(cpu); + + intel_pstate_exit_perf_limits(policy); + + return 0; +} + +static int intel_pstate_cpu_online(struct cpufreq_policy *policy) +{ + struct cpudata *cpu = all_cpu_data[policy->cpu]; + + pr_debug("CPU %d going online\n", cpu->cpu); + + intel_pstate_init_acpi_perf_limits(policy); + + if (hwp_active) { + /* + * Re-enable HWP and clear the "suspended" flag to let "resume" + * know that it need not do that. + */ + intel_pstate_hwp_reenable(cpu); + cpu->suspended = false; + } + + return 0; } static void intel_pstate_stop_cpu(struct cpufreq_policy *policy) { - pr_debug("CPU %d exiting\n", policy->cpu); + pr_debug("CPU %d stopping\n", policy->cpu); intel_pstate_clear_update_util_hook(policy->cpu); - if (hwp_active) - intel_pstate_hwp_save_state(policy); - - intel_cpufreq_stop_cpu(policy); } static int intel_pstate_cpu_exit(struct cpufreq_policy *policy) { - intel_pstate_exit_perf_limits(policy); + pr_debug("CPU %d exiting\n", policy->cpu); policy->fast_switch_possible = false; @@ -2378,6 +2436,12 @@ static int intel_pstate_cpu_init(struct cpufreq_policy *policy) */ policy->policy = CPUFREQ_POLICY_POWERSAVE; + if (hwp_active) { + struct cpudata *cpu = all_cpu_data[policy->cpu]; + + cpu->epp_cached = intel_pstate_get_epp(cpu, 0); + } + return 0; } @@ -2385,11 +2449,13 @@ static struct cpufreq_driver intel_pstate = { .flags = CPUFREQ_CONST_LOOPS, .verify = intel_pstate_verify_policy, .setpolicy = intel_pstate_set_policy, - .suspend = intel_pstate_hwp_save_state, + .suspend = intel_pstate_suspend, .resume = intel_pstate_resume, .init = intel_pstate_cpu_init, .exit = intel_pstate_cpu_exit, .stop_cpu = intel_pstate_stop_cpu, + .offline = intel_pstate_cpu_offline, + .online = intel_pstate_cpu_online, .update_limits = intel_pstate_update_limits, .name = "intel_pstate", }; @@ -2585,7 +2651,7 @@ static int intel_cpufreq_cpu_init(struct cpufreq_policy *policy) policy->transition_delay_us = INTEL_CPUFREQ_TRANSITION_DELAY_HWP; rdmsrl_on_cpu(cpu->cpu, MSR_HWP_REQUEST, &value); WRITE_ONCE(cpu->hwp_req_cached, value); - cpu->epp_cached = (value & GENMASK_ULL(31, 24)) >> 24; + cpu->epp_cached = intel_pstate_get_epp(cpu, value); } else { turbo_max = cpu->pstate.turbo_pstate; policy->transition_delay_us = INTEL_CPUFREQ_TRANSITION_DELAY; @@ -2644,7 +2710,10 @@ static struct cpufreq_driver intel_cpufreq = { .fast_switch = intel_cpufreq_fast_switch, .init = intel_cpufreq_cpu_init, .exit = intel_cpufreq_cpu_exit, - .stop_cpu = intel_cpufreq_stop_cpu, + .offline = intel_pstate_cpu_offline, + .online = intel_pstate_cpu_online, + .suspend = intel_pstate_suspend, + .resume = intel_pstate_resume, .update_limits = intel_pstate_update_limits, .name = "intel_cpufreq", }; @@ -2667,9 +2736,6 @@ static void intel_pstate_driver_cleanup(void) } put_online_cpus(); - if (intel_pstate_driver == &intel_pstate) - intel_pstate_sysfs_hide_hwp_dynamic_boost(); - intel_pstate_driver = NULL; } @@ -2695,14 +2761,6 @@ static int intel_pstate_register_driver(struct cpufreq_driver *driver) return 0; } -static int intel_pstate_unregister_driver(void) -{ - cpufreq_unregister_driver(intel_pstate_driver); - intel_pstate_driver_cleanup(); - - return 0; -} - static ssize_t intel_pstate_show_status(char *buf) { if (!intel_pstate_driver) @@ -2714,20 +2772,24 @@ static ssize_t intel_pstate_show_status(char *buf) static int intel_pstate_update_status(const char *buf, size_t size) { - int ret; + if (size == 3 && !strncmp(buf, "off", size)) { + if (!intel_pstate_driver) + return -EINVAL; + + if (hwp_active) + return -EBUSY; - if (size == 3 && !strncmp(buf, "off", size)) - return intel_pstate_driver ? - intel_pstate_unregister_driver() : -EINVAL; + cpufreq_unregister_driver(intel_pstate_driver); + intel_pstate_driver_cleanup(); + return 0; + } if (size == 6 && !strncmp(buf, "active", size)) { if (intel_pstate_driver) { if (intel_pstate_driver == &intel_pstate) return 0; - ret = intel_pstate_unregister_driver(); - if (ret) - return ret; + cpufreq_unregister_driver(intel_pstate_driver); } return intel_pstate_register_driver(&intel_pstate); @@ -2738,9 +2800,8 @@ static int intel_pstate_update_status(const char *buf, size_t size) if (intel_pstate_driver == &intel_cpufreq) return 0; - ret = intel_pstate_unregister_driver(); - if (ret) - return ret; + cpufreq_unregister_driver(intel_pstate_driver); + intel_pstate_sysfs_hide_hwp_dynamic_boost(); } return intel_pstate_register_driver(&intel_cpufreq); diff --git a/drivers/cpufreq/p4-clockmod.c b/drivers/cpufreq/p4-clockmod.c index bb61677c11c714..ef0a3216a38623 100644 --- a/drivers/cpufreq/p4-clockmod.c +++ b/drivers/cpufreq/p4-clockmod.c @@ -129,7 +129,7 @@ static unsigned int cpufreq_p4_get_frequency(struct cpuinfo_x86 *c) return speedstep_get_frequency(SPEEDSTEP_CPU_PCORE); case 0x0D: /* Pentium M (Dothan) */ p4clockmod_driver.flags |= CPUFREQ_CONST_LOOPS; - /* fall through */ + fallthrough; case 0x09: /* Pentium M (Banias) */ return speedstep_get_frequency(SPEEDSTEP_CPU_PM); } diff --git a/drivers/cpufreq/speedstep-lib.c b/drivers/cpufreq/speedstep-lib.c index 5c4f8f07c5a62a..a13a2d1e444ed6 100644 --- a/drivers/cpufreq/speedstep-lib.c +++ b/drivers/cpufreq/speedstep-lib.c @@ -366,7 +366,7 @@ enum speedstep_processor speedstep_detect_processor(void) } else return SPEEDSTEP_CPU_PIII_C; } - /* fall through */ + fallthrough; default: return 0; } diff --git a/drivers/cpufreq/tegra194-cpufreq.c b/drivers/cpufreq/tegra194-cpufreq.c index bae527e507e017..e1d931c457a732 100644 --- a/drivers/cpufreq/tegra194-cpufreq.c +++ b/drivers/cpufreq/tegra194-cpufreq.c @@ -56,9 +56,11 @@ struct read_counters_work { static struct workqueue_struct *read_counters_wq; -static enum cluster get_cpu_cluster(u8 cpu) +static void get_cpu_cluster(void *cluster) { - return MPIDR_AFFINITY_LEVEL(cpu_logical_map(cpu), 1); + u64 mpidr = read_cpuid_mpidr() & MPIDR_HWID_BITMASK; + + *((uint32_t *)cluster) = MPIDR_AFFINITY_LEVEL(mpidr, 1); } /* @@ -186,8 +188,10 @@ static unsigned int tegra194_get_speed(u32 cpu) static int tegra194_cpufreq_init(struct cpufreq_policy *policy) { struct tegra194_cpufreq_data *data = cpufreq_get_driver_data(); - int cl = get_cpu_cluster(policy->cpu); u32 cpu; + u32 cl; + + smp_call_function_single(policy->cpu, get_cpu_cluster, &cl, true); if (cl >= data->num_clusters) return -EINVAL; diff --git a/drivers/cpufreq/ti-cpufreq.c b/drivers/cpufreq/ti-cpufreq.c index ab0de27539ad4e..8f9fdd864391a6 100644 --- a/drivers/cpufreq/ti-cpufreq.c +++ b/drivers/cpufreq/ti-cpufreq.c @@ -86,11 +86,11 @@ static unsigned long dra7_efuse_xlate(struct ti_cpufreq_data *opp_data, case DRA76_EFUSE_HAS_PLUS_MPU_OPP: case DRA76_EFUSE_HAS_ALL_MPU_OPP: calculated_efuse |= DRA76_EFUSE_PLUS_MPU_OPP; - /* Fall through */ + fallthrough; case DRA7_EFUSE_HAS_ALL_MPU_OPP: case DRA7_EFUSE_HAS_HIGH_MPU_OPP: calculated_efuse |= DRA7_EFUSE_HIGH_MPU_OPP; - /* Fall through */ + fallthrough; case DRA7_EFUSE_HAS_OD_MPU_OPP: calculated_efuse |= DRA7_EFUSE_OD_MPU_OPP; } diff --git a/drivers/cpuidle/cpuidle-psci.c b/drivers/cpuidle/cpuidle-psci.c index 74463841805f2e..d928b37718bdec 100644 --- a/drivers/cpuidle/cpuidle-psci.c +++ b/drivers/cpuidle/cpuidle-psci.c @@ -66,7 +66,7 @@ static int psci_enter_domain_idle_state(struct cpuidle_device *dev, return -1; /* Do runtime PM to manage a hierarchical CPU toplogy. */ - pm_runtime_put_sync_suspend(pd_dev); + RCU_NONIDLE(pm_runtime_put_sync_suspend(pd_dev)); state = psci_get_domain_state(); if (!state) @@ -74,7 +74,7 @@ static int psci_enter_domain_idle_state(struct cpuidle_device *dev, ret = psci_cpu_suspend_enter(state) ? -1 : idx; - pm_runtime_get_sync(pd_dev); + RCU_NONIDLE(pm_runtime_get_sync(pd_dev)); cpu_pm_exit(); diff --git a/drivers/cpuidle/cpuidle-pseries.c b/drivers/cpuidle/cpuidle-pseries.c index ff6d99e923a49e..a2b5c6f60cf0e5 100644 --- a/drivers/cpuidle/cpuidle-pseries.c +++ b/drivers/cpuidle/cpuidle-pseries.c @@ -361,7 +361,10 @@ static void __init fixup_cede0_latency(void) for (i = 0; i < nr_xcede_records; i++) { struct xcede_latency_record *record = &payload->records[i]; u64 latency_tb = be64_to_cpu(record->latency_ticks); - u64 latency_us = tb_to_ns(latency_tb) / NSEC_PER_USEC; + u64 latency_us = DIV_ROUND_UP_ULL(tb_to_ns(latency_tb), NSEC_PER_USEC); + + if (latency_us == 0) + pr_warn("cpuidle: xcede record %d has an unrealistic latency of 0us.\n", i); if (latency_us < min_latency_us) min_latency_us = latency_us; @@ -378,10 +381,14 @@ static void __init fixup_cede0_latency(void) * Perform the fix-up. */ if (min_latency_us < dedicated_states[1].exit_latency) { - u64 cede0_latency = min_latency_us - 1; + /* + * We set a minimum of 1us wakeup latency for cede0 to + * distinguish it from snooze + */ + u64 cede0_latency = 1; - if (cede0_latency <= 0) - cede0_latency = min_latency_us; + if (min_latency_us > cede0_latency) + cede0_latency = min_latency_us - 1; dedicated_states[1].exit_latency = cede0_latency; dedicated_states[1].target_residency = 10 * (cede0_latency); diff --git a/drivers/cpuidle/cpuidle.c b/drivers/cpuidle/cpuidle.c index 04becd70cc41f5..29e84687f3c395 100644 --- a/drivers/cpuidle/cpuidle.c +++ b/drivers/cpuidle/cpuidle.c @@ -138,14 +138,10 @@ static void enter_s2idle_proper(struct cpuidle_driver *drv, struct cpuidle_device *dev, int index) { ktime_t time_start, time_end; + struct cpuidle_state *target_state = &drv->states[index]; time_start = ns_to_ktime(local_clock()); - /* - * trace_suspend_resume() called by tick_freeze() for the last CPU - * executing it contains RCU usage regarded as invalid in the idle - * context, so tell RCU about that. - */ tick_freeze(); /* * The state used here cannot be a "coupled" one, because the "coupled" @@ -153,16 +149,13 @@ static void enter_s2idle_proper(struct cpuidle_driver *drv, * suspended is generally unsafe. */ stop_critical_timings(); - rcu_idle_enter(); - drv->states[index].enter_s2idle(dev, drv, index); + if (!(target_state->flags & CPUIDLE_FLAG_RCU_IDLE)) + rcu_idle_enter(); + target_state->enter_s2idle(dev, drv, index); if (WARN_ON_ONCE(!irqs_disabled())) local_irq_disable(); - /* - * timekeeping_resume() that will be called by tick_unfreeze() for the - * first CPU executing it calls functions containing RCU read-side - * critical sections, so tell RCU about that. - */ - rcu_idle_exit(); + if (!(target_state->flags & CPUIDLE_FLAG_RCU_IDLE)) + rcu_idle_exit(); tick_unfreeze(); start_critical_timings(); @@ -239,9 +232,11 @@ int cpuidle_enter_state(struct cpuidle_device *dev, struct cpuidle_driver *drv, time_start = ns_to_ktime(local_clock()); stop_critical_timings(); - rcu_idle_enter(); + if (!(target_state->flags & CPUIDLE_FLAG_RCU_IDLE)) + rcu_idle_enter(); entered_state = target_state->enter(dev, drv, index); - rcu_idle_exit(); + if (!(target_state->flags & CPUIDLE_FLAG_RCU_IDLE)) + rcu_idle_exit(); start_critical_timings(); sched_clock_idle_wakeup_event(); diff --git a/drivers/crypto/Kconfig b/drivers/crypto/Kconfig index aa3a4ed07a6669..52a9b7cf6576f9 100644 --- a/drivers/crypto/Kconfig +++ b/drivers/crypto/Kconfig @@ -873,6 +873,9 @@ config CRYPTO_DEV_SA2UL select CRYPTO_AES select CRYPTO_AES_ARM64 select CRYPTO_ALGAPI + select CRYPTO_SHA1 + select CRYPTO_SHA256 + select CRYPTO_SHA512 select HW_RANDOM select SG_SPLIT help diff --git a/drivers/crypto/axis/artpec6_crypto.c b/drivers/crypto/axis/artpec6_crypto.c index 1a46eeddf08242..809c3033ca7489 100644 --- a/drivers/crypto/axis/artpec6_crypto.c +++ b/drivers/crypto/axis/artpec6_crypto.c @@ -2310,7 +2310,7 @@ static int artpec6_crypto_prepare_submit_hash(struct ahash_request *req) case ARTPEC6_CRYPTO_PREPARE_HASH_NO_START: ret = 0; - /* Fallthrough */ + fallthrough; default: artpec6_crypto_common_destroy(&req_ctx->common); diff --git a/drivers/crypto/cavium/cpt/cptvf_reqmanager.c b/drivers/crypto/cavium/cpt/cptvf_reqmanager.c index dc5fda52271983..4fe7898c85615a 100644 --- a/drivers/crypto/cavium/cpt/cptvf_reqmanager.c +++ b/drivers/crypto/cavium/cpt/cptvf_reqmanager.c @@ -90,11 +90,11 @@ static int setup_sgio_components(struct cpt_vf *cptvf, struct buf_ptr *list, case 3: sg_ptr->u.s.len2 = cpu_to_be16(list[i * 4 + 2].size); sg_ptr->ptr2 = cpu_to_be64(list[i * 4 + 2].dma_addr); - /* Fall through */ + fallthrough; case 2: sg_ptr->u.s.len1 = cpu_to_be16(list[i * 4 + 1].size); sg_ptr->ptr1 = cpu_to_be64(list[i * 4 + 1].dma_addr); - /* Fall through */ + fallthrough; case 1: sg_ptr->u.s.len0 = cpu_to_be16(list[i * 4 + 0].size); sg_ptr->ptr0 = cpu_to_be64(list[i * 4 + 0].dma_addr); diff --git a/drivers/crypto/chelsio/chcr_ktls.c b/drivers/crypto/chelsio/chcr_ktls.c index 91dee616d15e71..c5cce024886ace 100644 --- a/drivers/crypto/chelsio/chcr_ktls.c +++ b/drivers/crypto/chelsio/chcr_ktls.c @@ -135,7 +135,7 @@ static int chcr_ktls_update_connection_state(struct chcr_ktls_info *tx_info, break; /* update to the next state and also initialize TCB */ tx_info->connection_state = new_state; - /* FALLTHRU */ + fallthrough; case KTLS_CONN_ACT_OPEN_RPL: /* if we are stuck in this state, means tcb init might not * received by HW, try sending it again. @@ -150,7 +150,7 @@ static int chcr_ktls_update_connection_state(struct chcr_ktls_info *tx_info, break; /* update to the next state and check if l2t_state is valid */ tx_info->connection_state = new_state; - /* FALLTHRU */ + fallthrough; case KTLS_CONN_SET_TCB_RPL: /* Check if l2t state is valid, then move to ready state. */ if (cxgb4_check_l2t_valid(tx_info->l2te)) { diff --git a/drivers/crypto/marvell/octeontx/otx_cptvf_reqmgr.c b/drivers/crypto/marvell/octeontx/otx_cptvf_reqmgr.c index cbc3d7869ebe49..c80baf1ad90b2f 100644 --- a/drivers/crypto/marvell/octeontx/otx_cptvf_reqmgr.c +++ b/drivers/crypto/marvell/octeontx/otx_cptvf_reqmgr.c @@ -140,11 +140,11 @@ static inline int setup_sgio_components(struct pci_dev *pdev, case 3: sg_ptr->u.s.len2 = cpu_to_be16(list[i * 4 + 2].size); sg_ptr->ptr2 = cpu_to_be64(list[i * 4 + 2].dma_addr); - /* Fall through */ + fallthrough; case 2: sg_ptr->u.s.len1 = cpu_to_be16(list[i * 4 + 1].size); sg_ptr->ptr1 = cpu_to_be64(list[i * 4 + 1].dma_addr); - /* Fall through */ + fallthrough; case 1: sg_ptr->u.s.len0 = cpu_to_be16(list[i * 4 + 0].size); sg_ptr->ptr0 = cpu_to_be64(list[i * 4 + 0].dma_addr); diff --git a/drivers/crypto/qat/qat_common/adf_admin.c b/drivers/crypto/qat/qat_common/adf_admin.c index 1c8ca151a9635a..ec9b390276d6fb 100644 --- a/drivers/crypto/qat/qat_common/adf_admin.c +++ b/drivers/crypto/qat/qat_common/adf_admin.c @@ -131,9 +131,10 @@ static int adf_put_admin_msg_sync(struct adf_accel_dev *accel_dev, u32 ae, memcpy(admin->virt_addr + offset, in, ADF_ADMINMSG_LEN); ADF_CSR_WR(mailbox, mb_offset, 1); - ret = readl_poll_timeout(mailbox + mb_offset, status, - status == 0, ADF_ADMIN_POLL_DELAY_US, - ADF_ADMIN_POLL_TIMEOUT_US); + ret = read_poll_timeout(ADF_CSR_RD, status, status == 0, + ADF_ADMIN_POLL_DELAY_US, + ADF_ADMIN_POLL_TIMEOUT_US, true, + mailbox, mb_offset); if (ret < 0) { /* Response timeout */ dev_err(&GET_DEV(accel_dev), diff --git a/drivers/crypto/qat/qat_common/adf_pf2vf_msg.c b/drivers/crypto/qat/qat_common/adf_pf2vf_msg.c index 519fd5acf713bb..8b090b7ae8c6b6 100644 --- a/drivers/crypto/qat/qat_common/adf_pf2vf_msg.c +++ b/drivers/crypto/qat/qat_common/adf_pf2vf_msg.c @@ -340,7 +340,7 @@ static int adf_vf2pf_request_version(struct adf_accel_dev *accel_dev) /* VF is newer than PF and decides whether it is compatible */ if (accel_dev->vf.pf_version >= hw_data->min_iov_compat_ver) break; - /* fall through */ + fallthrough; case ADF_PF2VF_VF_INCOMPATIBLE: dev_err(&GET_DEV(accel_dev), "PF (vers %d) and VF (vers %d) are not compatible\n", diff --git a/drivers/crypto/qat/qat_common/qat_uclo.c b/drivers/crypto/qat/qat_common/qat_uclo.c index bff759e2f81129..00c615f9f9a839 100644 --- a/drivers/crypto/qat/qat_common/qat_uclo.c +++ b/drivers/crypto/qat/qat_common/qat_uclo.c @@ -752,7 +752,7 @@ static int qat_uclo_init_reg(struct icp_qat_fw_loader_handle *handle, case ICP_GPA_ABS: case ICP_GPB_ABS: ctx_mask = 0; - /* fall through */ + fallthrough; case ICP_GPA_REL: case ICP_GPB_REL: return qat_hal_init_gpr(handle, ae, ctx_mask, reg_type, @@ -762,7 +762,7 @@ static int qat_uclo_init_reg(struct icp_qat_fw_loader_handle *handle, case ICP_SR_RD_ABS: case ICP_DR_RD_ABS: ctx_mask = 0; - /* fall through */ + fallthrough; case ICP_SR_REL: case ICP_DR_REL: case ICP_SR_RD_REL: @@ -772,7 +772,7 @@ static int qat_uclo_init_reg(struct icp_qat_fw_loader_handle *handle, case ICP_SR_WR_ABS: case ICP_DR_WR_ABS: ctx_mask = 0; - /* fall through */ + fallthrough; case ICP_SR_WR_REL: case ICP_DR_WR_REL: return qat_hal_init_wr_xfer(handle, ae, ctx_mask, reg_type, diff --git a/drivers/crypto/ux500/cryp/cryp.c b/drivers/crypto/ux500/cryp/cryp.c index f22f6fa612b379..9866c2a5e9a701 100644 --- a/drivers/crypto/ux500/cryp/cryp.c +++ b/drivers/crypto/ux500/cryp/cryp.c @@ -314,17 +314,17 @@ void cryp_save_device_context(struct cryp_device_data *device_data, case CRYP_KEY_SIZE_256: ctx->key_4_l = readl_relaxed(&src_reg->key_4_l); ctx->key_4_r = readl_relaxed(&src_reg->key_4_r); - /* Fall through */ + fallthrough; case CRYP_KEY_SIZE_192: ctx->key_3_l = readl_relaxed(&src_reg->key_3_l); ctx->key_3_r = readl_relaxed(&src_reg->key_3_r); - /* Fall through */ + fallthrough; case CRYP_KEY_SIZE_128: ctx->key_2_l = readl_relaxed(&src_reg->key_2_l); ctx->key_2_r = readl_relaxed(&src_reg->key_2_r); - /* Fall through */ + fallthrough; default: ctx->key_1_l = readl_relaxed(&src_reg->key_1_l); @@ -364,17 +364,17 @@ void cryp_restore_device_context(struct cryp_device_data *device_data, case CRYP_KEY_SIZE_256: writel_relaxed(ctx->key_4_l, ®->key_4_l); writel_relaxed(ctx->key_4_r, ®->key_4_r); - /* Fall through */ + fallthrough; case CRYP_KEY_SIZE_192: writel_relaxed(ctx->key_3_l, ®->key_3_l); writel_relaxed(ctx->key_3_r, ®->key_3_r); - /* Fall through */ + fallthrough; case CRYP_KEY_SIZE_128: writel_relaxed(ctx->key_2_l, ®->key_2_l); writel_relaxed(ctx->key_2_r, ®->key_2_r); - /* Fall through */ + fallthrough; default: writel_relaxed(ctx->key_1_l, ®->key_1_l); diff --git a/drivers/dax/device.c b/drivers/dax/device.c index 4c0af2eb7e1964..1e89513f3c5962 100644 --- a/drivers/dax/device.c +++ b/drivers/dax/device.c @@ -429,7 +429,7 @@ int dev_dax_probe(struct device *dev) return -EBUSY; } - dev_dax->pgmap.type = MEMORY_DEVICE_DEVDAX; + dev_dax->pgmap.type = MEMORY_DEVICE_GENERIC; addr = devm_memremap_pages(dev, &dev_dax->pgmap); if (IS_ERR(addr)) return PTR_ERR(addr); diff --git a/drivers/dax/super.c b/drivers/dax/super.c index c82cbcb6420289..e84070b5546362 100644 --- a/drivers/dax/super.c +++ b/drivers/dax/super.c @@ -85,6 +85,12 @@ bool __generic_fsdax_supported(struct dax_device *dax_dev, return false; } + if (!dax_dev) { + pr_debug("%s: error: dax unsupported by block device\n", + bdevname(bdev, buf)); + return false; + } + err = bdev_dax_pgoff(bdev, start, PAGE_SIZE, &pgoff); if (err) { pr_info("%s: error: unaligned partition for dax\n", @@ -319,11 +325,15 @@ EXPORT_SYMBOL_GPL(dax_direct_access); bool dax_supported(struct dax_device *dax_dev, struct block_device *bdev, int blocksize, sector_t start, sector_t len) { + if (!dax_dev) + return false; + if (!dax_alive(dax_dev)) return false; return dax_dev->ops->dax_supported(dax_dev, bdev, blocksize, start, len); } +EXPORT_SYMBOL_GPL(dax_supported); size_t dax_copy_from_iter(struct dax_device *dax_dev, pgoff_t pgoff, void *addr, size_t bytes, struct iov_iter *i) diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c index 561d91b2d3bf57..071b59fe84d2ea 100644 --- a/drivers/devfreq/devfreq.c +++ b/drivers/devfreq/devfreq.c @@ -1766,20 +1766,23 @@ static int devfreq_summary_show(struct seq_file *s, void *data) struct devfreq *p_devfreq = NULL; unsigned long cur_freq, min_freq, max_freq; unsigned int polling_ms; + unsigned int timer; - seq_printf(s, "%-30s %-30s %-15s %10s %12s %12s %12s\n", + seq_printf(s, "%-30s %-30s %-15s %-10s %10s %12s %12s %12s\n", "dev", "parent_dev", "governor", + "timer", "polling_ms", "cur_freq_Hz", "min_freq_Hz", "max_freq_Hz"); - seq_printf(s, "%30s %30s %15s %10s %12s %12s %12s\n", + seq_printf(s, "%30s %30s %15s %10s %10s %12s %12s %12s\n", "------------------------------", "------------------------------", "---------------", "----------", + "----------", "------------", "------------", "------------"); @@ -1803,13 +1806,15 @@ static int devfreq_summary_show(struct seq_file *s, void *data) cur_freq = devfreq->previous_freq; get_freq_range(devfreq, &min_freq, &max_freq); polling_ms = devfreq->profile->polling_ms; + timer = devfreq->profile->timer; mutex_unlock(&devfreq->lock); seq_printf(s, - "%-30s %-30s %-15s %10d %12ld %12ld %12ld\n", + "%-30s %-30s %-15s %-10s %10d %12ld %12ld %12ld\n", dev_name(&devfreq->dev), p_devfreq ? dev_name(&p_devfreq->dev) : "null", devfreq->governor_name, + polling_ms ? timer_name[timer] : "null", polling_ms, cur_freq, min_freq, diff --git a/drivers/devfreq/tegra30-devfreq.c b/drivers/devfreq/tegra30-devfreq.c index e94a27804c209a..dedd39de736752 100644 --- a/drivers/devfreq/tegra30-devfreq.c +++ b/drivers/devfreq/tegra30-devfreq.c @@ -836,7 +836,8 @@ static int tegra_devfreq_probe(struct platform_device *pdev) rate = clk_round_rate(tegra->emc_clock, ULONG_MAX); if (rate < 0) { dev_err(&pdev->dev, "Failed to round clock rate: %ld\n", rate); - return rate; + err = rate; + goto disable_clk; } tegra->max_freq = rate / KHZ; @@ -897,6 +898,7 @@ remove_opps: dev_pm_opp_remove_all_dynamic(&pdev->dev); reset_control_reset(tegra->reset); +disable_clk: clk_disable_unprepare(tegra->clock); return err; diff --git a/drivers/dma-buf/dma-buf.c b/drivers/dma-buf/dma-buf.c index 1699a8e309ef0d..844967f98866a5 100644 --- a/drivers/dma-buf/dma-buf.c +++ b/drivers/dma-buf/dma-buf.c @@ -59,6 +59,8 @@ static void dma_buf_release(struct dentry *dentry) struct dma_buf *dmabuf; dmabuf = dentry->d_fsdata; + if (unlikely(!dmabuf)) + return; BUG_ON(dmabuf->vmapping_counter); @@ -316,9 +318,9 @@ out: * name of the dma-buf if the same piece of memory is used for multiple * purpose between different devices. * - * @dmabuf [in] dmabuf buffer that will be renamed. - * @buf: [in] A piece of userspace memory that contains the name of - * the dma-buf. + * @dmabuf: [in] dmabuf buffer that will be renamed. + * @buf: [in] A piece of userspace memory that contains the name of + * the dma-buf. * * Returns 0 on success. If the dma-buf buffer is already attached to * devices, return -EBUSY. diff --git a/drivers/dma-buf/dma-fence-chain.c b/drivers/dma-buf/dma-fence-chain.c index 3d123502ff12a8..7d129e68ac7011 100644 --- a/drivers/dma-buf/dma-fence-chain.c +++ b/drivers/dma-buf/dma-fence-chain.c @@ -222,6 +222,7 @@ EXPORT_SYMBOL(dma_fence_chain_ops); * @chain: the chain node to initialize * @prev: the previous fence * @fence: the current fence + * @seqno: the sequence number to use for the fence chain * * Initialize a new chain node and either start a new chain or add the node to * the existing chain of the previous fence. diff --git a/drivers/dma/acpi-dma.c b/drivers/dma/acpi-dma.c index 35f4804ea4afaa..235f1396f96860 100644 --- a/drivers/dma/acpi-dma.c +++ b/drivers/dma/acpi-dma.c @@ -135,11 +135,13 @@ static void acpi_dma_parse_csrt(struct acpi_device *adev, struct acpi_dma *adma) if (ret < 0) { dev_warn(&adev->dev, "error in parsing resource group\n"); - return; + break; } grp = (struct acpi_csrt_group *)((void *)grp + grp->length); } + + acpi_put_table((struct acpi_table_header *)csrt); } /** diff --git a/drivers/dma/amba-pl08x.c b/drivers/dma/amba-pl08x.c index 9adc7a2fa3d3b5..a24882ba37643d 100644 --- a/drivers/dma/amba-pl08x.c +++ b/drivers/dma/amba-pl08x.c @@ -1767,7 +1767,7 @@ static u32 pl08x_memcpy_cctl(struct pl08x_driver_data *pl08x) default: dev_err(&pl08x->adev->dev, "illegal burst size for memcpy, set to 1\n"); - /* Fall through */ + fallthrough; case PL08X_BURST_SZ_1: cctl |= PL080_BSIZE_1 << PL080_CONTROL_SB_SIZE_SHIFT | PL080_BSIZE_1 << PL080_CONTROL_DB_SIZE_SHIFT; @@ -1806,7 +1806,7 @@ static u32 pl08x_memcpy_cctl(struct pl08x_driver_data *pl08x) default: dev_err(&pl08x->adev->dev, "illegal bus width for memcpy, set to 8 bits\n"); - /* Fall through */ + fallthrough; case PL08X_BUS_WIDTH_8_BITS: cctl |= PL080_WIDTH_8BIT << PL080_CONTROL_SWIDTH_SHIFT | PL080_WIDTH_8BIT << PL080_CONTROL_DWIDTH_SHIFT; @@ -1850,7 +1850,7 @@ static u32 pl08x_ftdmac020_memcpy_cctl(struct pl08x_driver_data *pl08x) default: dev_err(&pl08x->adev->dev, "illegal bus width for memcpy, set to 8 bits\n"); - /* Fall through */ + fallthrough; case PL08X_BUS_WIDTH_8_BITS: cctl |= PL080_WIDTH_8BIT << FTDMAC020_LLI_SRC_WIDTH_SHIFT | PL080_WIDTH_8BIT << FTDMAC020_LLI_DST_WIDTH_SHIFT; @@ -2612,7 +2612,7 @@ static int pl08x_of_probe(struct amba_device *adev, switch (val) { default: dev_err(&adev->dev, "illegal burst size for memcpy, set to 1\n"); - /* Fall through */ + fallthrough; case 1: pd->memcpy_burst_size = PL08X_BURST_SZ_1; break; @@ -2647,7 +2647,7 @@ static int pl08x_of_probe(struct amba_device *adev, switch (val) { default: dev_err(&adev->dev, "illegal bus width for memcpy, set to 8 bits\n"); - /* Fall through */ + fallthrough; case 8: pd->memcpy_bus_width = PL08X_BUS_WIDTH_8_BITS; break; diff --git a/drivers/dma/at_hdmac.c b/drivers/dma/at_hdmac.c index 45bbcd6146fd23..a2cf25c6e3b356 100644 --- a/drivers/dma/at_hdmac.c +++ b/drivers/dma/at_hdmac.c @@ -1650,13 +1650,17 @@ static struct dma_chan *at_dma_xlate(struct of_phandle_args *dma_spec, return NULL; dmac_pdev = of_find_device_by_node(dma_spec->np); + if (!dmac_pdev) + return NULL; dma_cap_zero(mask); dma_cap_set(DMA_SLAVE, mask); atslave = kmalloc(sizeof(*atslave), GFP_KERNEL); - if (!atslave) + if (!atslave) { + put_device(&dmac_pdev->dev); return NULL; + } atslave->cfg = ATC_DST_H2SEL_HW | ATC_SRC_H2SEL_HW; /* @@ -1685,8 +1689,11 @@ static struct dma_chan *at_dma_xlate(struct of_phandle_args *dma_spec, atslave->dma_dev = &dmac_pdev->dev; chan = dma_request_channel(mask, at_dma_filter, atslave); - if (!chan) + if (!chan) { + put_device(&dmac_pdev->dev); + kfree(atslave); return NULL; + } atchan = to_at_dma_chan(chan); atchan->per_if = dma_spec->args[0] & 0xff; diff --git a/drivers/dma/dma-jz4780.c b/drivers/dma/dma-jz4780.c index 448f663da89c69..8beed91428bd61 100644 --- a/drivers/dma/dma-jz4780.c +++ b/drivers/dma/dma-jz4780.c @@ -879,24 +879,11 @@ static int jz4780_dma_probe(struct platform_device *pdev) return -EINVAL; } - ret = platform_get_irq(pdev, 0); - if (ret < 0) - return ret; - - jzdma->irq = ret; - - ret = request_irq(jzdma->irq, jz4780_dma_irq_handler, 0, dev_name(dev), - jzdma); - if (ret) { - dev_err(dev, "failed to request IRQ %u!\n", jzdma->irq); - return ret; - } - jzdma->clk = devm_clk_get(dev, NULL); if (IS_ERR(jzdma->clk)) { dev_err(dev, "failed to get clock\n"); ret = PTR_ERR(jzdma->clk); - goto err_free_irq; + return ret; } clk_prepare_enable(jzdma->clk); @@ -949,10 +936,23 @@ static int jz4780_dma_probe(struct platform_device *pdev) jzchan->vchan.desc_free = jz4780_dma_desc_free; } + ret = platform_get_irq(pdev, 0); + if (ret < 0) + goto err_disable_clk; + + jzdma->irq = ret; + + ret = request_irq(jzdma->irq, jz4780_dma_irq_handler, 0, dev_name(dev), + jzdma); + if (ret) { + dev_err(dev, "failed to request IRQ %u!\n", jzdma->irq); + goto err_disable_clk; + } + ret = dmaenginem_async_device_register(dd); if (ret) { dev_err(dev, "failed to register device\n"); - goto err_disable_clk; + goto err_free_irq; } /* Register with OF DMA helpers. */ @@ -960,17 +960,17 @@ static int jz4780_dma_probe(struct platform_device *pdev) jzdma); if (ret) { dev_err(dev, "failed to register OF DMA controller\n"); - goto err_disable_clk; + goto err_free_irq; } dev_info(dev, "JZ4780 DMA controller initialised\n"); return 0; -err_disable_clk: - clk_disable_unprepare(jzdma->clk); - err_free_irq: free_irq(jzdma->irq, jzdma); + +err_disable_clk: + clk_disable_unprepare(jzdma->clk); return ret; } diff --git a/drivers/dma/dmatest.c b/drivers/dma/dmatest.c index 45d4d92e91dbf3..a819611b8892c2 100644 --- a/drivers/dma/dmatest.c +++ b/drivers/dma/dmatest.c @@ -129,6 +129,7 @@ struct dmatest_params { * @nr_channels: number of channels under test * @lock: access protection to the fields of this structure * @did_init: module has been initialized completely + * @last_error: test has faced configuration issues */ static struct dmatest_info { /* Test parameters */ @@ -137,6 +138,7 @@ static struct dmatest_info { /* Internal state */ struct list_head channels; unsigned int nr_channels; + int last_error; struct mutex lock; bool did_init; } test_info = { @@ -1184,10 +1186,22 @@ static int dmatest_run_set(const char *val, const struct kernel_param *kp) return ret; } else if (dmatest_run) { if (!is_threaded_test_pending(info)) { - pr_info("No channels configured, continue with any\n"); - if (!is_threaded_test_run(info)) - stop_threaded_test(info); - add_threaded_test(info); + /* + * We have nothing to run. This can be due to: + */ + ret = info->last_error; + if (ret) { + /* 1) Misconfiguration */ + pr_err("Channel misconfigured, can't continue\n"); + mutex_unlock(&info->lock); + return ret; + } else { + /* 2) We rely on defaults */ + pr_info("No channels configured, continue with any\n"); + if (!is_threaded_test_run(info)) + stop_threaded_test(info); + add_threaded_test(info); + } } start_threaded_tests(info); } else { @@ -1204,7 +1218,7 @@ static int dmatest_chan_set(const char *val, const struct kernel_param *kp) struct dmatest_info *info = &test_info; struct dmatest_chan *dtc; char chan_reset_val[20]; - int ret = 0; + int ret; mutex_lock(&info->lock); ret = param_set_copystring(val, kp); @@ -1259,12 +1273,14 @@ static int dmatest_chan_set(const char *val, const struct kernel_param *kp) goto add_chan_err; } + info->last_error = ret; mutex_unlock(&info->lock); return ret; add_chan_err: param_set_copystring(chan_reset_val, kp); + info->last_error = ret; mutex_unlock(&info->lock); return ret; diff --git a/drivers/dma/dw-edma/dw-edma-core.c b/drivers/dma/dw-edma/dw-edma-core.c index ed430ad9b3dd8e..b971505b871523 100644 --- a/drivers/dma/dw-edma/dw-edma-core.c +++ b/drivers/dma/dw-edma/dw-edma-core.c @@ -405,7 +405,7 @@ dw_edma_device_transfer(struct dw_edma_transfer *xfer) if (xfer->cyclic) { burst->dar = xfer->xfer.cyclic.paddr; } else { - burst->dar = sg_dma_address(sg); + burst->dar = dst_addr; /* Unlike the typical assumption by other * drivers/IPs the peripheral memory isn't * a FIFO memory, in this case, it's a @@ -413,14 +413,13 @@ dw_edma_device_transfer(struct dw_edma_transfer *xfer) * and destination addresses are increased * by the same portion (data length) */ - src_addr += sg_dma_len(sg); } } else { burst->dar = dst_addr; if (xfer->cyclic) { burst->sar = xfer->xfer.cyclic.paddr; } else { - burst->sar = sg_dma_address(sg); + burst->sar = src_addr; /* Unlike the typical assumption by other * drivers/IPs the peripheral memory isn't * a FIFO memory, in this case, it's a @@ -428,12 +427,14 @@ dw_edma_device_transfer(struct dw_edma_transfer *xfer) * and destination addresses are increased * by the same portion (data length) */ - dst_addr += sg_dma_len(sg); } } - if (!xfer->cyclic) + if (!xfer->cyclic) { + src_addr += sg_dma_len(sg); + dst_addr += sg_dma_len(sg); sg = sg_next(sg); + } } return vchan_tx_prep(&chan->vc, &desc->vd, xfer->flags); diff --git a/drivers/dma/fsldma.c b/drivers/dma/fsldma.c index ad72b3f42ffa06..e342cf52d2966b 100644 --- a/drivers/dma/fsldma.c +++ b/drivers/dma/fsldma.c @@ -1163,7 +1163,7 @@ static int fsl_dma_chan_probe(struct fsldma_device *fdev, switch (chan->feature & FSL_DMA_IP_MASK) { case FSL_DMA_IP_85XX: chan->toggle_ext_pause = fsl_chan_toggle_ext_pause; - /* Fall through */ + fallthrough; case FSL_DMA_IP_83XX: chan->toggle_ext_start = fsl_chan_toggle_ext_start; chan->set_src_loop_size = fsl_chan_set_src_loop_size; diff --git a/drivers/dma/fsldma.h b/drivers/dma/fsldma.h index 56f18ae9923328..308bed0a560acd 100644 --- a/drivers/dma/fsldma.h +++ b/drivers/dma/fsldma.h @@ -205,10 +205,10 @@ struct fsldma_chan { #else static u64 fsl_ioread64(const u64 __iomem *addr) { - u32 fsl_addr = lower_32_bits(addr); - u64 fsl_addr_hi = (u64)in_le32((u32 *)(fsl_addr + 1)) << 32; + u32 val_lo = in_le32((u32 __iomem *)addr); + u32 val_hi = in_le32((u32 __iomem *)addr + 1); - return fsl_addr_hi | in_le32((u32 *)fsl_addr); + return ((u64)val_hi << 32) + val_lo; } static void fsl_iowrite64(u64 val, u64 __iomem *addr) @@ -219,10 +219,10 @@ static void fsl_iowrite64(u64 val, u64 __iomem *addr) static u64 fsl_ioread64be(const u64 __iomem *addr) { - u32 fsl_addr = lower_32_bits(addr); - u64 fsl_addr_hi = (u64)in_be32((u32 *)fsl_addr) << 32; + u32 val_hi = in_be32((u32 __iomem *)addr); + u32 val_lo = in_be32((u32 __iomem *)addr + 1); - return fsl_addr_hi | in_be32((u32 *)(fsl_addr + 1)); + return ((u64)val_hi << 32) + val_lo; } static void fsl_iowrite64be(u64 val, u64 __iomem *addr) diff --git a/drivers/dma/idxd/device.c b/drivers/dma/idxd/device.c index 14b45853aa5fce..b75d699160bfad 100644 --- a/drivers/dma/idxd/device.c +++ b/drivers/dma/idxd/device.c @@ -410,10 +410,27 @@ int idxd_device_enable(struct idxd_device *idxd) return 0; } +void idxd_device_wqs_clear_state(struct idxd_device *idxd) +{ + int i; + + lockdep_assert_held(&idxd->dev_lock); + + for (i = 0; i < idxd->max_wqs; i++) { + struct idxd_wq *wq = &idxd->wqs[i]; + + if (wq->state == IDXD_WQ_ENABLED) { + idxd_wq_disable_cleanup(wq); + wq->state = IDXD_WQ_DISABLED; + } + } +} + int idxd_device_disable(struct idxd_device *idxd) { struct device *dev = &idxd->pdev->dev; u32 status; + unsigned long flags; if (!idxd_is_enabled(idxd)) { dev_dbg(dev, "Device is not enabled\n"); @@ -429,13 +446,22 @@ int idxd_device_disable(struct idxd_device *idxd) return -ENXIO; } + spin_lock_irqsave(&idxd->dev_lock, flags); + idxd_device_wqs_clear_state(idxd); idxd->state = IDXD_DEV_CONF_READY; + spin_unlock_irqrestore(&idxd->dev_lock, flags); return 0; } void idxd_device_reset(struct idxd_device *idxd) { + unsigned long flags; + idxd_cmd_exec(idxd, IDXD_CMD_RESET_DEVICE, 0, NULL); + spin_lock_irqsave(&idxd->dev_lock, flags); + idxd_device_wqs_clear_state(idxd); + idxd->state = IDXD_DEV_CONF_READY; + spin_unlock_irqrestore(&idxd->dev_lock, flags); } /* Device configuration bits */ diff --git a/drivers/dma/idxd/irq.c b/drivers/dma/idxd/irq.c index b5142556cc4e86..1e9e6991f543d7 100644 --- a/drivers/dma/idxd/irq.c +++ b/drivers/dma/idxd/irq.c @@ -11,18 +11,6 @@ #include "idxd.h" #include "registers.h" -void idxd_device_wqs_clear_state(struct idxd_device *idxd) -{ - int i; - - lockdep_assert_held(&idxd->dev_lock); - for (i = 0; i < idxd->max_wqs; i++) { - struct idxd_wq *wq = &idxd->wqs[i]; - - wq->state = IDXD_WQ_DISABLED; - } -} - static void idxd_device_reinit(struct work_struct *work) { struct idxd_device *idxd = container_of(work, struct idxd_device, work); diff --git a/drivers/dma/imx-dma.c b/drivers/dma/imx-dma.c index 5c0fb3134825f5..88717506c1f6b0 100644 --- a/drivers/dma/imx-dma.c +++ b/drivers/dma/imx-dma.c @@ -556,7 +556,7 @@ static int imxdma_xfer_desc(struct imxdma_desc *d) * We fall-through here intentionally, since a 2D transfer is * similar to MEMCPY just adding the 2D slot configuration. */ - /* Fall through */ + fallthrough; case IMXDMA_DESC_MEMCPY: imx_dmav1_writel(imxdma, d->src, DMA_SAR(imxdmac->channel)); imx_dmav1_writel(imxdma, d->dest, DMA_DAR(imxdmac->channel)); diff --git a/drivers/dma/iop-adma.h b/drivers/dma/iop-adma.h index c499c9578f0097..d44eabb6f5ebd6 100644 --- a/drivers/dma/iop-adma.h +++ b/drivers/dma/iop-adma.h @@ -496,7 +496,7 @@ iop3xx_desc_init_xor(struct iop3xx_desc_aau *hw_desc, int src_cnt, } hw_desc->src_edc[AAU_EDCR2_IDX].e_desc_ctrl = edcr; src_cnt = 24; - /* fall through */ + fallthrough; case 17 ... 24: if (!u_desc_ctrl.field.blk_ctrl) { hw_desc->src_edc[AAU_EDCR2_IDX].e_desc_ctrl = 0; @@ -510,7 +510,7 @@ iop3xx_desc_init_xor(struct iop3xx_desc_aau *hw_desc, int src_cnt, } hw_desc->src_edc[AAU_EDCR1_IDX].e_desc_ctrl = edcr; src_cnt = 16; - /* fall through */ + fallthrough; case 9 ... 16: if (!u_desc_ctrl.field.blk_ctrl) u_desc_ctrl.field.blk_ctrl = 0x2; /* use EDCR0 */ @@ -522,7 +522,7 @@ iop3xx_desc_init_xor(struct iop3xx_desc_aau *hw_desc, int src_cnt, } hw_desc->src_edc[AAU_EDCR0_IDX].e_desc_ctrl = edcr; src_cnt = 8; - /* fall through */ + fallthrough; case 2 ... 8: shift = 1; for (i = 0; i < src_cnt; i++) { @@ -602,19 +602,19 @@ iop_desc_init_null_xor(struct iop_adma_desc_slot *desc, int src_cnt, case 25 ... 32: u_desc_ctrl.field.blk_ctrl = 0x3; /* use EDCR[2:0] */ hw_desc->src_edc[AAU_EDCR2_IDX].e_desc_ctrl = 0; - /* fall through */ + fallthrough; case 17 ... 24: if (!u_desc_ctrl.field.blk_ctrl) { hw_desc->src_edc[AAU_EDCR2_IDX].e_desc_ctrl = 0; u_desc_ctrl.field.blk_ctrl = 0x3; /* use EDCR[2:0] */ } hw_desc->src_edc[AAU_EDCR1_IDX].e_desc_ctrl = 0; - /* fall through */ + fallthrough; case 9 ... 16: if (!u_desc_ctrl.field.blk_ctrl) u_desc_ctrl.field.blk_ctrl = 0x2; /* use EDCR0 */ hw_desc->src_edc[AAU_EDCR0_IDX].e_desc_ctrl = 0; - /* fall through */ + fallthrough; case 1 ... 8: if (!u_desc_ctrl.field.blk_ctrl && src_cnt > 4) u_desc_ctrl.field.blk_ctrl = 0x1; /* use mini-desc */ diff --git a/drivers/dma/nbpfaxi.c b/drivers/dma/nbpfaxi.c index 74df621402e106..ca4e0930207a03 100644 --- a/drivers/dma/nbpfaxi.c +++ b/drivers/dma/nbpfaxi.c @@ -483,7 +483,7 @@ static size_t nbpf_xfer_size(struct nbpf_device *nbpf, default: pr_warn("%s(): invalid bus width %u\n", __func__, width); - /* fall through */ + fallthrough; case DMA_SLAVE_BUSWIDTH_1_BYTE: size = burst; } diff --git a/drivers/dma/of-dma.c b/drivers/dma/of-dma.c index 863f2aaf5c8f7f..8a4f608904b984 100644 --- a/drivers/dma/of-dma.c +++ b/drivers/dma/of-dma.c @@ -71,12 +71,12 @@ static struct dma_chan *of_dma_router_xlate(struct of_phandle_args *dma_spec, return NULL; chan = ofdma_target->of_dma_xlate(&dma_spec_target, ofdma_target); - if (chan) { - chan->router = ofdma->dma_router; - chan->route_data = route_data; - } else { + if (IS_ERR_OR_NULL(chan)) { ofdma->dma_router->route_free(ofdma->dma_router->dev, route_data); + } else { + chan->router = ofdma->dma_router; + chan->route_data = route_data; } /* diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c index 2c508ee672b908..5274a0704d9608 100644 --- a/drivers/dma/pl330.c +++ b/drivers/dma/pl330.c @@ -1061,16 +1061,16 @@ static bool _start(struct pl330_thread *thrd) if (_state(thrd) == PL330_STATE_KILLING) UNTIL(thrd, PL330_STATE_STOPPED) - /* fall through */ + fallthrough; case PL330_STATE_FAULTING: _stop(thrd); - /* fall through */ + fallthrough; case PL330_STATE_KILLING: case PL330_STATE_COMPLETING: UNTIL(thrd, PL330_STATE_STOPPED) - /* fall through */ + fallthrough; case PL330_STATE_STOPPED: return _trigger(thrd); @@ -1121,7 +1121,6 @@ static u32 _emit_load(unsigned int dry_run, u8 buf[], switch (direction) { case DMA_MEM_TO_MEM: - /* fall through */ case DMA_MEM_TO_DEV: off += _emit_LD(dry_run, &buf[off], cond); break; @@ -1155,7 +1154,6 @@ static inline u32 _emit_store(unsigned int dry_run, u8 buf[], switch (direction) { case DMA_MEM_TO_MEM: - /* fall through */ case DMA_DEV_TO_MEM: off += _emit_ST(dry_run, &buf[off], cond); break; @@ -1216,7 +1214,6 @@ static int _bursts(struct pl330_dmac *pl330, unsigned dry_run, u8 buf[], switch (pxs->desc->rqtype) { case DMA_MEM_TO_DEV: - /* fall through */ case DMA_DEV_TO_MEM: off += _ldst_peripheral(pl330, dry_run, &buf[off], pxs, cyc, cond); @@ -1266,7 +1263,6 @@ static int _dregs(struct pl330_dmac *pl330, unsigned int dry_run, u8 buf[], switch (pxs->desc->rqtype) { case DMA_MEM_TO_DEV: - /* fall through */ case DMA_DEV_TO_MEM: off += _emit_MOV(dry_run, &buf[off], CCR, dregs_ccr); off += _ldst_peripheral(pl330, dry_run, &buf[off], pxs, 1, @@ -2801,6 +2797,7 @@ pl330_prep_dma_memcpy(struct dma_chan *chan, dma_addr_t dst, while (burst != (1 << desc->rqcfg.brst_size)) desc->rqcfg.brst_size++; + desc->rqcfg.brst_len = get_burst_len(desc, len); /* * If burst size is smaller than bus width then make sure we only * transfer one at a time to avoid a burst stradling an MFIFO entry. @@ -2808,7 +2805,6 @@ pl330_prep_dma_memcpy(struct dma_chan *chan, dma_addr_t dst, if (desc->rqcfg.brst_size * 8 < pl330->pcfg.data_bus_width) desc->rqcfg.brst_len = 1; - desc->rqcfg.brst_len = get_burst_len(desc, len); desc->bytes_requested = len; desc->txd.flags = flags; diff --git a/drivers/dma/sh/shdma-base.c b/drivers/dma/sh/shdma-base.c index 2deeaab078a46f..788d696323bbed 100644 --- a/drivers/dma/sh/shdma-base.c +++ b/drivers/dma/sh/shdma-base.c @@ -383,7 +383,7 @@ static dma_async_tx_callback __ld_cleanup(struct shdma_chan *schan, bool all) switch (desc->mark) { case DESC_COMPLETED: desc->mark = DESC_WAITING; - /* Fall through */ + fallthrough; case DESC_WAITING: if (head_acked) async_tx_ack(&desc->async_tx); diff --git a/drivers/dma/ti/k3-udma.c b/drivers/dma/ti/k3-udma.c index c14e6cb105cd80..d86dba0fd8e6b6 100644 --- a/drivers/dma/ti/k3-udma.c +++ b/drivers/dma/ti/k3-udma.c @@ -2059,9 +2059,9 @@ udma_prep_slave_sg_tr(struct udma_chan *uc, struct scatterlist *sgl, return NULL; } - cppi5_tr_init(&tr_req[i].flags, CPPI5_TR_TYPE1, false, false, - CPPI5_TR_EVENT_SIZE_COMPLETION, 0); - cppi5_tr_csf_set(&tr_req[i].flags, CPPI5_TR_CSF_SUPR_EVT); + cppi5_tr_init(&tr_req[tr_idx].flags, CPPI5_TR_TYPE1, false, + false, CPPI5_TR_EVENT_SIZE_COMPLETION, 0); + cppi5_tr_csf_set(&tr_req[tr_idx].flags, CPPI5_TR_CSF_SUPR_EVT); tr_req[tr_idx].addr = sg_addr; tr_req[tr_idx].icnt0 = tr0_cnt0; @@ -3101,14 +3101,14 @@ static struct udma_match_data am654_main_data = { .psil_base = 0x1000, .enable_memcpy_support = true, .statictr_z_mask = GENMASK(11, 0), - .rchan_oes_offset = 0x2000, + .rchan_oes_offset = 0x200, }; static struct udma_match_data am654_mcu_data = { .psil_base = 0x6000, .enable_memcpy_support = false, .statictr_z_mask = GENMASK(11, 0), - .rchan_oes_offset = 0x2000, + .rchan_oes_offset = 0x200, }; static struct udma_match_data j721e_main_data = { diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c index 6262f6370c5dea..fcc08bbf6945f7 100644 --- a/drivers/edac/amd64_edac.c +++ b/drivers/edac/amd64_edac.c @@ -3375,7 +3375,7 @@ static struct amd64_family_type *per_family_init(struct amd64_pvt *pvt) pvt->ops = &family_types[F17_M70H_CPUS].ops; break; } - /* fall through */ + fallthrough; case 0x18: fam_type = &family_types[F17_CPUS]; pvt->ops = &family_types[F17_CPUS].ops; diff --git a/drivers/edac/ghes_edac.c b/drivers/edac/ghes_edac.c index da60c29468a7cf..94d1e316505275 100644 --- a/drivers/edac/ghes_edac.c +++ b/drivers/edac/ghes_edac.c @@ -55,6 +55,8 @@ static DEFINE_SPINLOCK(ghes_lock); static bool __read_mostly force_load; module_param(force_load, bool, 0); +static bool system_scanned; + /* Memory Device - Type 17 of SMBIOS spec */ struct memdev_dmi_entry { u8 type; @@ -225,14 +227,12 @@ static void enumerate_dimms(const struct dmi_header *dh, void *arg) static void ghes_scan_system(void) { - static bool scanned; - - if (scanned) + if (system_scanned) return; dmi_walk(enumerate_dimms, &ghes_hw); - scanned = true; + system_scanned = true; } void ghes_edac_report_mem_error(int sev, struct cper_sec_mem_err *mem_err) @@ -508,6 +508,7 @@ int ghes_edac_register(struct ghes *ghes, struct device *dev) if (!force_load && idx < 0) return -ENODEV; } else { + force_load = true; idx = 0; } @@ -629,8 +630,14 @@ void ghes_edac_unregister(struct ghes *ghes) struct mem_ctl_info *mci; unsigned long flags; + if (!force_load) + return; + mutex_lock(&ghes_reg_mutex); + system_scanned = false; + memset(&ghes_hw, 0, sizeof(struct ghes_hw_desc)); + if (!refcount_dec_and_test(&ghes_refcount)) goto unlock; diff --git a/drivers/edac/pnd2_edac.c b/drivers/edac/pnd2_edac.c index b8fc4b84fd8672..928f63a374c78c 100644 --- a/drivers/edac/pnd2_edac.c +++ b/drivers/edac/pnd2_edac.c @@ -198,7 +198,7 @@ static int apl_rd_reg(int port, int off, int op, void *data, size_t sz, char *na switch (sz) { case 8: ret = _apl_rd_reg(port, off + 4, op, (u32 *)(data + 4)); - /* fall through */ + fallthrough; case 4: ret |= _apl_rd_reg(port, off, op, (u32 *)data); pnd2_printk(KERN_DEBUG, "%s=%x%08x ret=%d\n", name, diff --git a/drivers/firewire/core-device.c b/drivers/firewire/core-device.c index b785e936244f53..80db43a2206980 100644 --- a/drivers/firewire/core-device.c +++ b/drivers/firewire/core-device.c @@ -957,7 +957,7 @@ static void set_broadcast_channel(struct fw_device *device, int generation) device->bc_implemented = BC_IMPLEMENTED; break; } - /* else, fall through - to case address error */ + fallthrough; /* to case address error */ case RCODE_ADDRESS_ERROR: device->bc_implemented = BC_UNIMPLEMENTED; } diff --git a/drivers/firewire/core-iso.c b/drivers/firewire/core-iso.c index 185b0b78b3d68c..af70e74f9a7e1a 100644 --- a/drivers/firewire/core-iso.c +++ b/drivers/firewire/core-iso.c @@ -277,7 +277,7 @@ static int manage_channel(struct fw_card *card, int irm_id, int generation, if ((data[0] & bit) == (data[1] & bit)) continue; - /* fall through - It's a 1394-1995 IRM, retry. */ + fallthrough; /* It's a 1394-1995 IRM, retry */ default: if (retry) { retry--; diff --git a/drivers/firewire/core-topology.c b/drivers/firewire/core-topology.c index 94a13fca82673b..ec68ed27b0a5f5 100644 --- a/drivers/firewire/core-topology.c +++ b/drivers/firewire/core-topology.c @@ -54,7 +54,7 @@ static u32 *count_ports(u32 *sid, int *total_port_count, int *child_port_count) switch (port_type) { case SELFID_PORT_CHILD: (*child_port_count)++; - /* fall through */ + fallthrough; case SELFID_PORT_PARENT: case SELFID_PORT_NCONN: (*total_port_count)++; diff --git a/drivers/firewire/core-transaction.c b/drivers/firewire/core-transaction.c index 439d918bbaafaa..ac487c96bb717f 100644 --- a/drivers/firewire/core-transaction.c +++ b/drivers/firewire/core-transaction.c @@ -1097,14 +1097,14 @@ static void handle_registers(struct fw_card *card, struct fw_request *request, rcode = RCODE_ADDRESS_ERROR; break; } - /* else fall through */ + fallthrough; case CSR_NODE_IDS: /* * per IEEE 1394-2008 8.3.22.3, not IEEE 1394.1-2004 3.2.8 * and 9.6, but interoperable with IEEE 1394.1-2004 bridges */ - /* fall through */ + fallthrough; case CSR_STATE_CLEAR: case CSR_STATE_SET: diff --git a/drivers/firewire/ohci.c b/drivers/firewire/ohci.c index 7dde21b18b04c6..020cb15a4d8fcc 100644 --- a/drivers/firewire/ohci.c +++ b/drivers/firewire/ohci.c @@ -1495,7 +1495,7 @@ static int handle_at_packet(struct context *context, packet->ack = RCODE_GENERATION; break; } - /* fall through */ + fallthrough; default: packet->ack = RCODE_SEND_ERROR; @@ -3054,7 +3054,7 @@ static int ohci_start_iso(struct fw_iso_context *base, case FW_ISO_CONTEXT_RECEIVE_MULTICHANNEL: control |= IR_CONTEXT_BUFFER_FILL|IR_CONTEXT_MULTI_CHANNEL_MODE; - /* fall through */ + fallthrough; case FW_ISO_CONTEXT_RECEIVE: index = ctx - ohci->ir_context_list; match = (tags << 28) | (sync << 8) | ctx->base.channel; diff --git a/drivers/firmware/efi/efibc.c b/drivers/firmware/efi/efibc.c index 35dccc88ac0af7..15a47539dc5638 100644 --- a/drivers/firmware/efi/efibc.c +++ b/drivers/firmware/efi/efibc.c @@ -84,7 +84,7 @@ static int __init efibc_init(void) { int ret; - if (!efi_enabled(EFI_RUNTIME_SERVICES)) + if (!efivars_kobject() || !efivar_supports_writes()) return -ENODEV; ret = register_reboot_notifier(&efibc_reboot_notifier); diff --git a/drivers/firmware/efi/embedded-firmware.c b/drivers/firmware/efi/embedded-firmware.c index e97a9c9d010c82..21ae0c48232a11 100644 --- a/drivers/firmware/efi/embedded-firmware.c +++ b/drivers/firmware/efi/embedded-firmware.c @@ -16,9 +16,9 @@ /* Exported for use by lib/test_firmware.c only */ LIST_HEAD(efi_embedded_fw_list); -EXPORT_SYMBOL_GPL(efi_embedded_fw_list); - -static bool checked_for_fw; +EXPORT_SYMBOL_NS_GPL(efi_embedded_fw_list, TEST_FIRMWARE); +bool efi_embedded_fw_checked; +EXPORT_SYMBOL_NS_GPL(efi_embedded_fw_checked, TEST_FIRMWARE); static const struct dmi_system_id * const embedded_fw_table[] = { #ifdef CONFIG_TOUCHSCREEN_DMI @@ -116,14 +116,14 @@ void __init efi_check_for_embedded_firmwares(void) } } - checked_for_fw = true; + efi_embedded_fw_checked = true; } int efi_get_embedded_fw(const char *name, const u8 **data, size_t *size) { struct efi_embedded_fw *iter, *fw = NULL; - if (!checked_for_fw) { + if (!efi_embedded_fw_checked) { pr_warn("Warning %s called while we did not check for embedded fw\n", __func__); return -ENOENT; diff --git a/drivers/firmware/ti_sci.c b/drivers/firmware/ti_sci.c index 53cee17d011584..722af9ee53d65d 100644 --- a/drivers/firmware/ti_sci.c +++ b/drivers/firmware/ti_sci.c @@ -65,36 +65,18 @@ struct ti_sci_xfers_info { }; /** - * struct ti_sci_rm_type_map - Structure representing TISCI Resource - * management representation of dev_ids. - * @dev_id: TISCI device ID - * @type: Corresponding id as identified by TISCI RM. - * - * Note: This is used only as a work around for using RM range apis - * for AM654 SoC. For future SoCs dev_id will be used as type - * for RM range APIs. In order to maintain ABI backward compatibility - * type is not being changed for AM654 SoC. - */ -struct ti_sci_rm_type_map { - u32 dev_id; - u16 type; -}; - -/** * struct ti_sci_desc - Description of SoC integration * @default_host_id: Host identifier representing the compute entity * @max_rx_timeout_ms: Timeout for communication with SoC (in Milliseconds) * @max_msgs: Maximum number of messages that can be pending * simultaneously in the system * @max_msg_size: Maximum size of data per message that can be handled. - * @rm_type_map: RM resource type mapping structure. */ struct ti_sci_desc { u8 default_host_id; int max_rx_timeout_ms; int max_msgs; int max_msg_size; - struct ti_sci_rm_type_map *rm_type_map; }; /** @@ -1710,33 +1692,6 @@ fail: return ret; } -static int ti_sci_get_resource_type(struct ti_sci_info *info, u16 dev_id, - u16 *type) -{ - struct ti_sci_rm_type_map *rm_type_map = info->desc->rm_type_map; - bool found = false; - int i; - - /* If map is not provided then assume dev_id is used as type */ - if (!rm_type_map) { - *type = dev_id; - return 0; - } - - for (i = 0; rm_type_map[i].dev_id; i++) { - if (rm_type_map[i].dev_id == dev_id) { - *type = rm_type_map[i].type; - found = true; - break; - } - } - - if (!found) - return -EINVAL; - - return 0; -} - /** * ti_sci_get_resource_range - Helper to get a range of resources assigned * to a host. Resource is uniquely identified by @@ -1760,7 +1715,6 @@ static int ti_sci_get_resource_range(const struct ti_sci_handle *handle, struct ti_sci_xfer *xfer; struct ti_sci_info *info; struct device *dev; - u16 type; int ret = 0; if (IS_ERR(handle)) @@ -1780,15 +1734,9 @@ static int ti_sci_get_resource_range(const struct ti_sci_handle *handle, return ret; } - ret = ti_sci_get_resource_type(info, dev_id, &type); - if (ret) { - dev_err(dev, "rm type lookup failed for %u\n", dev_id); - goto fail; - } - req = (struct ti_sci_msg_req_get_resource_range *)xfer->xfer_buf; req->secondary_host = s_host; - req->type = type & MSG_RM_RESOURCE_TYPE_MASK; + req->type = dev_id & MSG_RM_RESOURCE_TYPE_MASK; req->subtype = subtype & MSG_RM_RESOURCE_SUBTYPE_MASK; ret = ti_sci_do_xfer(info, xfer); @@ -3260,61 +3208,50 @@ u32 ti_sci_get_num_resources(struct ti_sci_resource *res) EXPORT_SYMBOL_GPL(ti_sci_get_num_resources); /** - * devm_ti_sci_get_of_resource() - Get a TISCI resource assigned to a device + * devm_ti_sci_get_resource_sets() - Get a TISCI resources assigned to a device * @handle: TISCI handle * @dev: Device pointer to which the resource is assigned * @dev_id: TISCI device id to which the resource is assigned - * @of_prop: property name by which the resource are represented + * @sub_types: Array of sub_types assigned corresponding to device + * @sets: Number of sub_types * * Return: Pointer to ti_sci_resource if all went well else appropriate * error pointer. */ -struct ti_sci_resource * -devm_ti_sci_get_of_resource(const struct ti_sci_handle *handle, - struct device *dev, u32 dev_id, char *of_prop) +static struct ti_sci_resource * +devm_ti_sci_get_resource_sets(const struct ti_sci_handle *handle, + struct device *dev, u32 dev_id, u32 *sub_types, + u32 sets) { struct ti_sci_resource *res; bool valid_set = false; - u32 resource_subtype; int i, ret; res = devm_kzalloc(dev, sizeof(*res), GFP_KERNEL); if (!res) return ERR_PTR(-ENOMEM); - ret = of_property_count_elems_of_size(dev_of_node(dev), of_prop, - sizeof(u32)); - if (ret < 0) { - dev_err(dev, "%s resource type ids not available\n", of_prop); - return ERR_PTR(ret); - } - res->sets = ret; - + res->sets = sets; res->desc = devm_kcalloc(dev, res->sets, sizeof(*res->desc), GFP_KERNEL); if (!res->desc) return ERR_PTR(-ENOMEM); for (i = 0; i < res->sets; i++) { - ret = of_property_read_u32_index(dev_of_node(dev), of_prop, i, - &resource_subtype); - if (ret) - return ERR_PTR(-EINVAL); - ret = handle->ops.rm_core_ops.get_range(handle, dev_id, - resource_subtype, + sub_types[i], &res->desc[i].start, &res->desc[i].num); if (ret) { dev_dbg(dev, "dev = %d subtype %d not allocated for this host\n", - dev_id, resource_subtype); + dev_id, sub_types[i]); res->desc[i].start = 0; res->desc[i].num = 0; continue; } dev_dbg(dev, "dev = %d, subtype = %d, start = %d, num = %d\n", - dev_id, resource_subtype, res->desc[i].start, + dev_id, sub_types[i], res->desc[i].start, res->desc[i].num); valid_set = true; @@ -3332,6 +3269,62 @@ devm_ti_sci_get_of_resource(const struct ti_sci_handle *handle, return ERR_PTR(-EINVAL); } +/** + * devm_ti_sci_get_of_resource() - Get a TISCI resource assigned to a device + * @handle: TISCI handle + * @dev: Device pointer to which the resource is assigned + * @dev_id: TISCI device id to which the resource is assigned + * @of_prop: property name by which the resource are represented + * + * Return: Pointer to ti_sci_resource if all went well else appropriate + * error pointer. + */ +struct ti_sci_resource * +devm_ti_sci_get_of_resource(const struct ti_sci_handle *handle, + struct device *dev, u32 dev_id, char *of_prop) +{ + struct ti_sci_resource *res; + u32 *sub_types; + int sets; + + sets = of_property_count_elems_of_size(dev_of_node(dev), of_prop, + sizeof(u32)); + if (sets < 0) { + dev_err(dev, "%s resource type ids not available\n", of_prop); + return ERR_PTR(sets); + } + + sub_types = kcalloc(sets, sizeof(*sub_types), GFP_KERNEL); + if (!sub_types) + return ERR_PTR(-ENOMEM); + + of_property_read_u32_array(dev_of_node(dev), of_prop, sub_types, sets); + res = devm_ti_sci_get_resource_sets(handle, dev, dev_id, sub_types, + sets); + + kfree(sub_types); + return res; +} +EXPORT_SYMBOL_GPL(devm_ti_sci_get_of_resource); + +/** + * devm_ti_sci_get_resource() - Get a resource range assigned to the device + * @handle: TISCI handle + * @dev: Device pointer to which the resource is assigned + * @dev_id: TISCI device id to which the resource is assigned + * @suub_type: TISCI resource subytpe representing the resource. + * + * Return: Pointer to ti_sci_resource if all went well else appropriate + * error pointer. + */ +struct ti_sci_resource * +devm_ti_sci_get_resource(const struct ti_sci_handle *handle, struct device *dev, + u32 dev_id, u32 sub_type) +{ + return devm_ti_sci_get_resource_sets(handle, dev, dev_id, &sub_type, 1); +} +EXPORT_SYMBOL_GPL(devm_ti_sci_get_resource); + static int tisci_reboot_handler(struct notifier_block *nb, unsigned long mode, void *cmd) { @@ -3352,17 +3345,6 @@ static const struct ti_sci_desc ti_sci_pmmc_k2g_desc = { /* Limited by MBOX_TX_QUEUE_LEN. K2G can handle upto 128 messages! */ .max_msgs = 20, .max_msg_size = 64, - .rm_type_map = NULL, -}; - -static struct ti_sci_rm_type_map ti_sci_am654_rm_type_map[] = { - {.dev_id = 56, .type = 0x00b}, /* GIC_IRQ */ - {.dev_id = 179, .type = 0x000}, /* MAIN_NAV_UDMASS_IA0 */ - {.dev_id = 187, .type = 0x009}, /* MAIN_NAV_RA */ - {.dev_id = 188, .type = 0x006}, /* MAIN_NAV_UDMAP */ - {.dev_id = 194, .type = 0x007}, /* MCU_NAV_UDMAP */ - {.dev_id = 195, .type = 0x00a}, /* MCU_NAV_RA */ - {.dev_id = 0, .type = 0x000}, /* end of table */ }; /* Description for AM654 */ @@ -3373,7 +3355,6 @@ static const struct ti_sci_desc ti_sci_pmmc_am654_desc = { /* Limited by MBOX_TX_QUEUE_LEN. K2G can handle upto 128 messages! */ .max_msgs = 20, .max_msg_size = 60, - .rm_type_map = ti_sci_am654_rm_type_map, }; static const struct of_device_id ti_sci_of_match[] = { diff --git a/drivers/gpio/gpio-amd-fch.c b/drivers/gpio/gpio-amd-fch.c index 4e44ba4d7423c7..2a21354ed6a030 100644 --- a/drivers/gpio/gpio-amd-fch.c +++ b/drivers/gpio/gpio-amd-fch.c @@ -92,7 +92,7 @@ static int amd_fch_gpio_get_direction(struct gpio_chip *gc, unsigned int gpio) ret = (readl_relaxed(ptr) & AMD_FCH_GPIO_FLAG_DIRECTION); spin_unlock_irqrestore(&priv->lock, flags); - return ret ? GPIO_LINE_DIRECTION_IN : GPIO_LINE_DIRECTION_OUT; + return ret ? GPIO_LINE_DIRECTION_OUT : GPIO_LINE_DIRECTION_IN; } static void amd_fch_gpio_set(struct gpio_chip *gc, diff --git a/drivers/gpio/gpio-aspeed-sgpio.c b/drivers/gpio/gpio-aspeed-sgpio.c index d16645c1d8d9de..64e54f8c30d2d6 100644 --- a/drivers/gpio/gpio-aspeed-sgpio.c +++ b/drivers/gpio/gpio-aspeed-sgpio.c @@ -17,7 +17,17 @@ #include <linux/spinlock.h> #include <linux/string.h> -#define MAX_NR_SGPIO 80 +/* + * MAX_NR_HW_GPIO represents the number of actual hardware-supported GPIOs (ie, + * slots within the clocked serial GPIO data). Since each HW GPIO is both an + * input and an output, we provide MAX_NR_HW_GPIO * 2 lines on our gpiochip + * device. + * + * We use SGPIO_OUTPUT_OFFSET to define the split between the inputs and + * outputs; the inputs start at line 0, the outputs start at OUTPUT_OFFSET. + */ +#define MAX_NR_HW_SGPIO 80 +#define SGPIO_OUTPUT_OFFSET MAX_NR_HW_SGPIO #define ASPEED_SGPIO_CTRL 0x54 @@ -30,8 +40,8 @@ struct aspeed_sgpio { struct clk *pclk; spinlock_t lock; void __iomem *base; - uint32_t dir_in[3]; int irq; + int n_sgpio; }; struct aspeed_sgpio_bank { @@ -111,31 +121,69 @@ static void __iomem *bank_reg(struct aspeed_sgpio *gpio, } } -#define GPIO_BANK(x) ((x) >> 5) -#define GPIO_OFFSET(x) ((x) & 0x1f) +#define GPIO_BANK(x) ((x % SGPIO_OUTPUT_OFFSET) >> 5) +#define GPIO_OFFSET(x) ((x % SGPIO_OUTPUT_OFFSET) & 0x1f) #define GPIO_BIT(x) BIT(GPIO_OFFSET(x)) static const struct aspeed_sgpio_bank *to_bank(unsigned int offset) { - unsigned int bank = GPIO_BANK(offset); + unsigned int bank; + + bank = GPIO_BANK(offset); WARN_ON(bank >= ARRAY_SIZE(aspeed_sgpio_banks)); return &aspeed_sgpio_banks[bank]; } +static int aspeed_sgpio_init_valid_mask(struct gpio_chip *gc, + unsigned long *valid_mask, unsigned int ngpios) +{ + struct aspeed_sgpio *sgpio = gpiochip_get_data(gc); + int n = sgpio->n_sgpio; + int c = SGPIO_OUTPUT_OFFSET - n; + + WARN_ON(ngpios < MAX_NR_HW_SGPIO * 2); + + /* input GPIOs in the lower range */ + bitmap_set(valid_mask, 0, n); + bitmap_clear(valid_mask, n, c); + + /* output GPIOS above SGPIO_OUTPUT_OFFSET */ + bitmap_set(valid_mask, SGPIO_OUTPUT_OFFSET, n); + bitmap_clear(valid_mask, SGPIO_OUTPUT_OFFSET + n, c); + + return 0; +} + +static void aspeed_sgpio_irq_init_valid_mask(struct gpio_chip *gc, + unsigned long *valid_mask, unsigned int ngpios) +{ + struct aspeed_sgpio *sgpio = gpiochip_get_data(gc); + int n = sgpio->n_sgpio; + + WARN_ON(ngpios < MAX_NR_HW_SGPIO * 2); + + /* input GPIOs in the lower range */ + bitmap_set(valid_mask, 0, n); + bitmap_clear(valid_mask, n, ngpios - n); +} + +static bool aspeed_sgpio_is_input(unsigned int offset) +{ + return offset < SGPIO_OUTPUT_OFFSET; +} + static int aspeed_sgpio_get(struct gpio_chip *gc, unsigned int offset) { struct aspeed_sgpio *gpio = gpiochip_get_data(gc); const struct aspeed_sgpio_bank *bank = to_bank(offset); unsigned long flags; enum aspeed_sgpio_reg reg; - bool is_input; int rc = 0; spin_lock_irqsave(&gpio->lock, flags); - is_input = gpio->dir_in[GPIO_BANK(offset)] & GPIO_BIT(offset); - reg = is_input ? reg_val : reg_rdata; + reg = aspeed_sgpio_is_input(offset) ? reg_val : reg_rdata; rc = !!(ioread32(bank_reg(gpio, bank, reg)) & GPIO_BIT(offset)); spin_unlock_irqrestore(&gpio->lock, flags); @@ -143,22 +191,31 @@ static int aspeed_sgpio_get(struct gpio_chip *gc, unsigned int offset) return rc; } -static void sgpio_set_value(struct gpio_chip *gc, unsigned int offset, int val) +static int sgpio_set_value(struct gpio_chip *gc, unsigned int offset, int val) { struct aspeed_sgpio *gpio = gpiochip_get_data(gc); const struct aspeed_sgpio_bank *bank = to_bank(offset); - void __iomem *addr; + void __iomem *addr_r, *addr_w; u32 reg = 0; - addr = bank_reg(gpio, bank, reg_val); - reg = ioread32(addr); + if (aspeed_sgpio_is_input(offset)) + return -EINVAL; + + /* Since this is an output, read the cached value from rdata, then + * update val. */ + addr_r = bank_reg(gpio, bank, reg_rdata); + addr_w = bank_reg(gpio, bank, reg_val); + + reg = ioread32(addr_r); if (val) reg |= GPIO_BIT(offset); else reg &= ~GPIO_BIT(offset); - iowrite32(reg, addr); + iowrite32(reg, addr_w); + + return 0; } static void aspeed_sgpio_set(struct gpio_chip *gc, unsigned int offset, int val) @@ -175,43 +232,28 @@ static void aspeed_sgpio_set(struct gpio_chip *gc, unsigned int offset, int val) static int aspeed_sgpio_dir_in(struct gpio_chip *gc, unsigned int offset) { - struct aspeed_sgpio *gpio = gpiochip_get_data(gc); - unsigned long flags; - - spin_lock_irqsave(&gpio->lock, flags); - gpio->dir_in[GPIO_BANK(offset)] |= GPIO_BIT(offset); - spin_unlock_irqrestore(&gpio->lock, flags); - - return 0; + return aspeed_sgpio_is_input(offset) ? 0 : -EINVAL; } static int aspeed_sgpio_dir_out(struct gpio_chip *gc, unsigned int offset, int val) { struct aspeed_sgpio *gpio = gpiochip_get_data(gc); unsigned long flags; + int rc; - spin_lock_irqsave(&gpio->lock, flags); - - gpio->dir_in[GPIO_BANK(offset)] &= ~GPIO_BIT(offset); - sgpio_set_value(gc, offset, val); + /* No special action is required for setting the direction; we'll + * error-out in sgpio_set_value if this isn't an output GPIO */ + spin_lock_irqsave(&gpio->lock, flags); + rc = sgpio_set_value(gc, offset, val); spin_unlock_irqrestore(&gpio->lock, flags); - return 0; + return rc; } static int aspeed_sgpio_get_direction(struct gpio_chip *gc, unsigned int offset) { - int dir_status; - struct aspeed_sgpio *gpio = gpiochip_get_data(gc); - unsigned long flags; - - spin_lock_irqsave(&gpio->lock, flags); - dir_status = gpio->dir_in[GPIO_BANK(offset)] & GPIO_BIT(offset); - spin_unlock_irqrestore(&gpio->lock, flags); - - return dir_status; - + return !!aspeed_sgpio_is_input(offset); } static void irqd_to_aspeed_sgpio_data(struct irq_data *d, @@ -303,16 +345,16 @@ static int aspeed_sgpio_set_type(struct irq_data *d, unsigned int type) switch (type & IRQ_TYPE_SENSE_MASK) { case IRQ_TYPE_EDGE_BOTH: type2 |= bit; - /* fall through */ + fallthrough; case IRQ_TYPE_EDGE_RISING: type0 |= bit; - /* fall through */ + fallthrough; case IRQ_TYPE_EDGE_FALLING: handler = handle_edge_irq; break; case IRQ_TYPE_LEVEL_HIGH: type0 |= bit; - /* fall through */ + fallthrough; case IRQ_TYPE_LEVEL_LOW: type1 |= bit; handler = handle_level_irq; @@ -402,6 +444,7 @@ static int aspeed_sgpio_setup_irqs(struct aspeed_sgpio *gpio, irq = &gpio->chip.irq; irq->chip = &aspeed_sgpio_irqchip; + irq->init_valid_mask = aspeed_sgpio_irq_init_valid_mask; irq->handler = handle_bad_irq; irq->default_type = IRQ_TYPE_NONE; irq->parent_handler = aspeed_sgpio_irq_handler; @@ -409,17 +452,15 @@ static int aspeed_sgpio_setup_irqs(struct aspeed_sgpio *gpio, irq->parents = &gpio->irq; irq->num_parents = 1; - /* set IRQ settings and Enable Interrupt */ + /* Apply default IRQ settings */ for (i = 0; i < ARRAY_SIZE(aspeed_sgpio_banks); i++) { bank = &aspeed_sgpio_banks[i]; /* set falling or level-low irq */ iowrite32(0x00000000, bank_reg(gpio, bank, reg_irq_type0)); /* trigger type is edge */ iowrite32(0x00000000, bank_reg(gpio, bank, reg_irq_type1)); - /* dual edge trigger mode. */ - iowrite32(0xffffffff, bank_reg(gpio, bank, reg_irq_type2)); - /* enable irq */ - iowrite32(0xffffffff, bank_reg(gpio, bank, reg_irq_enable)); + /* single edge trigger */ + iowrite32(0x00000000, bank_reg(gpio, bank, reg_irq_type2)); } return 0; @@ -452,11 +493,12 @@ static int __init aspeed_sgpio_probe(struct platform_device *pdev) if (rc < 0) { dev_err(&pdev->dev, "Could not read ngpios property\n"); return -EINVAL; - } else if (nr_gpios > MAX_NR_SGPIO) { + } else if (nr_gpios > MAX_NR_HW_SGPIO) { dev_err(&pdev->dev, "Number of GPIOs exceeds the maximum of %d: %d\n", - MAX_NR_SGPIO, nr_gpios); + MAX_NR_HW_SGPIO, nr_gpios); return -EINVAL; } + gpio->n_sgpio = nr_gpios; rc = of_property_read_u32(pdev->dev.of_node, "bus-frequency", &sgpio_freq); if (rc < 0) { @@ -497,7 +539,8 @@ static int __init aspeed_sgpio_probe(struct platform_device *pdev) spin_lock_init(&gpio->lock); gpio->chip.parent = &pdev->dev; - gpio->chip.ngpio = nr_gpios; + gpio->chip.ngpio = MAX_NR_HW_SGPIO * 2; + gpio->chip.init_valid_mask = aspeed_sgpio_init_valid_mask; gpio->chip.direction_input = aspeed_sgpio_dir_in; gpio->chip.direction_output = aspeed_sgpio_dir_out; gpio->chip.get_direction = aspeed_sgpio_get_direction; @@ -509,9 +552,6 @@ static int __init aspeed_sgpio_probe(struct platform_device *pdev) gpio->chip.label = dev_name(&pdev->dev); gpio->chip.base = -1; - /* set all SGPIO pins as input (1). */ - memset(gpio->dir_in, 0xff, sizeof(gpio->dir_in)); - aspeed_sgpio_setup_irqs(gpio, pdev); rc = devm_gpiochip_add_data(&pdev->dev, &gpio->chip, gpio); diff --git a/drivers/gpio/gpio-aspeed.c b/drivers/gpio/gpio-aspeed.c index 879db23d845493..e44d5de2a1201a 100644 --- a/drivers/gpio/gpio-aspeed.c +++ b/drivers/gpio/gpio-aspeed.c @@ -611,16 +611,16 @@ static int aspeed_gpio_set_type(struct irq_data *d, unsigned int type) switch (type & IRQ_TYPE_SENSE_MASK) { case IRQ_TYPE_EDGE_BOTH: type2 |= bit; - /* fall through */ + fallthrough; case IRQ_TYPE_EDGE_RISING: type0 |= bit; - /* fall through */ + fallthrough; case IRQ_TYPE_EDGE_FALLING: handler = handle_edge_irq; break; case IRQ_TYPE_LEVEL_HIGH: type0 |= bit; - /* fall through */ + fallthrough; case IRQ_TYPE_LEVEL_LOW: type1 |= bit; handler = handle_level_irq; @@ -1114,8 +1114,8 @@ static const struct aspeed_gpio_config ast2500_config = static const struct aspeed_bank_props ast2600_bank_props[] = { /* input output */ - {5, 0xffffffff, 0x0000ffff}, /* U/V/W/X */ - {6, 0xffff0000, 0x0fff0000}, /* Y/Z */ + {5, 0xffffffff, 0xffffff00}, /* U/V/W/X */ + {6, 0x0000ffff, 0x0000ffff}, /* Y/Z */ { }, }; diff --git a/drivers/gpio/gpio-ath79.c b/drivers/gpio/gpio-ath79.c index 53fae02c40ad82..d5359341cc6b2f 100644 --- a/drivers/gpio/gpio-ath79.c +++ b/drivers/gpio/gpio-ath79.c @@ -129,7 +129,7 @@ static int ath79_gpio_irq_set_type(struct irq_data *data, case IRQ_TYPE_LEVEL_HIGH: polarity |= mask; - /* fall through */ + fallthrough; case IRQ_TYPE_LEVEL_LOW: type |= mask; break; diff --git a/drivers/gpio/gpio-eic-sprd.c b/drivers/gpio/gpio-eic-sprd.c index 8c975777401009..ad61daf6c2125f 100644 --- a/drivers/gpio/gpio-eic-sprd.c +++ b/drivers/gpio/gpio-eic-sprd.c @@ -617,14 +617,12 @@ static int sprd_eic_probe(struct platform_device *pdev) sprd_eic->chip.free = sprd_eic_free; sprd_eic->chip.set_config = sprd_eic_set_config; sprd_eic->chip.set = sprd_eic_set; - /* fall-through */ + fallthrough; case SPRD_EIC_ASYNC: - /* fall-through */ case SPRD_EIC_SYNC: sprd_eic->chip.get = sprd_eic_get; break; case SPRD_EIC_LATCH: - /* fall-through */ default: break; } diff --git a/drivers/gpio/gpio-mockup.c b/drivers/gpio/gpio-mockup.c index bc345185db2609..1652897fdf90d1 100644 --- a/drivers/gpio/gpio-mockup.c +++ b/drivers/gpio/gpio-mockup.c @@ -552,6 +552,7 @@ static int __init gpio_mockup_init(void) err = platform_driver_register(&gpio_mockup_driver); if (err) { gpio_mockup_err("error registering platform driver\n"); + debugfs_remove_recursive(gpio_mockup_dbg_dir); return err; } @@ -582,6 +583,7 @@ static int __init gpio_mockup_init(void) gpio_mockup_err("error registering device"); platform_driver_unregister(&gpio_mockup_driver); gpio_mockup_unregister_pdevs(); + debugfs_remove_recursive(gpio_mockup_dbg_dir); return PTR_ERR(pdev); } diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c index 7fbe0c9e1fc10c..0ea640fb636cf0 100644 --- a/drivers/gpio/gpio-omap.c +++ b/drivers/gpio/gpio-omap.c @@ -1516,7 +1516,7 @@ static int __maybe_unused omap_gpio_runtime_resume(struct device *dev) return 0; } -static int omap_gpio_suspend(struct device *dev) +static int __maybe_unused omap_gpio_suspend(struct device *dev) { struct gpio_bank *bank = dev_get_drvdata(dev); @@ -1528,7 +1528,7 @@ static int omap_gpio_suspend(struct device *dev) return omap_gpio_runtime_suspend(dev); } -static int omap_gpio_resume(struct device *dev) +static int __maybe_unused omap_gpio_resume(struct device *dev) { struct gpio_bank *bank = dev_get_drvdata(dev); diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c index bd2e96c34f824f..fb61f2fc6ed7cf 100644 --- a/drivers/gpio/gpio-pca953x.c +++ b/drivers/gpio/gpio-pca953x.c @@ -818,6 +818,8 @@ static irqreturn_t pca953x_irq_handler(int irq, void *devid) int level; bool ret; + bitmap_zero(pending, MAX_LINE); + mutex_lock(&chip->i2c_lock); ret = pca953x_irq_pending(chip, pending); mutex_unlock(&chip->i2c_lock); @@ -940,6 +942,7 @@ out: static int device_pca957x_init(struct pca953x_chip *chip, u32 invert) { DECLARE_BITMAP(val, MAX_LINE); + unsigned int i; int ret; ret = device_pca95xx_init(chip, invert); @@ -947,7 +950,9 @@ static int device_pca957x_init(struct pca953x_chip *chip, u32 invert) goto out; /* To enable register 6, 7 to control pull up and pull down */ - memset(val, 0x02, NBANK(chip)); + for (i = 0; i < NBANK(chip); i++) + bitmap_set_value8(val, 0x02, i * BANK_SZ); + ret = pca953x_write_regs(chip, PCA957X_BKEN, val); if (ret) goto out; diff --git a/drivers/gpio/gpio-siox.c b/drivers/gpio/gpio-siox.c index 26e1fe092304d4..f8c5e9fc4baca4 100644 --- a/drivers/gpio/gpio-siox.c +++ b/drivers/gpio/gpio-siox.c @@ -245,6 +245,7 @@ static int gpio_siox_probe(struct siox_device *sdevice) girq->chip = &ddata->ichip; girq->default_type = IRQ_TYPE_NONE; girq->handler = handle_level_irq; + girq->threaded = true; ret = devm_gpiochip_add_data(dev, &ddata->gchip, NULL); if (ret) diff --git a/drivers/gpio/gpio-sprd.c b/drivers/gpio/gpio-sprd.c index d7314d39ab65ba..36ea8a3bd4510f 100644 --- a/drivers/gpio/gpio-sprd.c +++ b/drivers/gpio/gpio-sprd.c @@ -149,17 +149,20 @@ static int sprd_gpio_irq_set_type(struct irq_data *data, sprd_gpio_update(chip, offset, SPRD_GPIO_IS, 0); sprd_gpio_update(chip, offset, SPRD_GPIO_IBE, 0); sprd_gpio_update(chip, offset, SPRD_GPIO_IEV, 1); + sprd_gpio_update(chip, offset, SPRD_GPIO_IC, 1); irq_set_handler_locked(data, handle_edge_irq); break; case IRQ_TYPE_EDGE_FALLING: sprd_gpio_update(chip, offset, SPRD_GPIO_IS, 0); sprd_gpio_update(chip, offset, SPRD_GPIO_IBE, 0); sprd_gpio_update(chip, offset, SPRD_GPIO_IEV, 0); + sprd_gpio_update(chip, offset, SPRD_GPIO_IC, 1); irq_set_handler_locked(data, handle_edge_irq); break; case IRQ_TYPE_EDGE_BOTH: sprd_gpio_update(chip, offset, SPRD_GPIO_IS, 0); sprd_gpio_update(chip, offset, SPRD_GPIO_IBE, 1); + sprd_gpio_update(chip, offset, SPRD_GPIO_IC, 1); irq_set_handler_locked(data, handle_edge_irq); break; case IRQ_TYPE_LEVEL_HIGH: diff --git a/drivers/gpio/gpio-stmpe.c b/drivers/gpio/gpio-stmpe.c index 6c48809d0505b3..b0155d6007c81a 100644 --- a/drivers/gpio/gpio-stmpe.c +++ b/drivers/gpio/gpio-stmpe.c @@ -308,7 +308,7 @@ static void stmpe_dbg_show_one(struct seq_file *s, if (ret < 0) return; edge_det = !!(ret & mask); - /* fall through */ + fallthrough; case STMPE1801: rise_reg = stmpe->regs[STMPE_IDX_GPRER_LSB + bank]; fall_reg = stmpe->regs[STMPE_IDX_GPFER_LSB + bank]; @@ -321,7 +321,7 @@ static void stmpe_dbg_show_one(struct seq_file *s, if (ret < 0) return; fall = !!(ret & mask); - /* fall through */ + fallthrough; case STMPE801: case STMPE1600: irqen_reg = stmpe->regs[STMPE_IDX_IEGPIOR_LSB + bank]; diff --git a/drivers/gpio/gpio-tc3589x.c b/drivers/gpio/gpio-tc3589x.c index 58b0da9eb76f76..ea3f68a28feafa 100644 --- a/drivers/gpio/gpio-tc3589x.c +++ b/drivers/gpio/gpio-tc3589x.c @@ -212,7 +212,7 @@ static void tc3589x_gpio_irq_sync_unlock(struct irq_data *d) continue; tc3589x_gpio->oldregs[i][j] = new; - tc3589x_reg_write(tc3589x, regmap[i] + j * 8, new); + tc3589x_reg_write(tc3589x, regmap[i] + j, new); } } diff --git a/drivers/gpio/gpiolib-acpi.c b/drivers/gpio/gpiolib-acpi.c index 9276051663dade..54ca3c18b291ca 100644 --- a/drivers/gpio/gpiolib-acpi.c +++ b/drivers/gpio/gpiolib-acpi.c @@ -1264,7 +1264,7 @@ static int acpi_gpio_package_count(const union acpi_object *obj) switch (element->type) { case ACPI_TYPE_LOCAL_REFERENCE: element += 3; - /* Fallthrough */ + fallthrough; case ACPI_TYPE_INTEGER: element++; count++; diff --git a/drivers/gpio/gpiolib-cdev.c b/drivers/gpio/gpiolib-cdev.c index e6c9b78adfc26b..76c36b05aef6af 100644 --- a/drivers/gpio/gpiolib-cdev.c +++ b/drivers/gpio/gpiolib-cdev.c @@ -423,6 +423,21 @@ static __poll_t lineevent_poll(struct file *file, return events; } +static ssize_t lineevent_get_size(void) +{ +#ifdef __x86_64__ + /* i386 has no padding after 'id' */ + if (in_ia32_syscall()) { + struct compat_gpioeevent_data { + compat_u64 timestamp; + u32 id; + }; + + return sizeof(struct compat_gpioeevent_data); + } +#endif + return sizeof(struct gpioevent_data); +} static ssize_t lineevent_read(struct file *file, char __user *buf, @@ -432,9 +447,20 @@ static ssize_t lineevent_read(struct file *file, struct lineevent_state *le = file->private_data; struct gpioevent_data ge; ssize_t bytes_read = 0; + ssize_t ge_size; int ret; - if (count < sizeof(ge)) + /* + * When compatible system call is being used the struct gpioevent_data, + * in case of at least ia32, has different size due to the alignment + * differences. Because we have first member 64 bits followed by one of + * 32 bits there is no gap between them. The only difference is the + * padding at the end of the data structure. Hence, we calculate the + * actual sizeof() and pass this as an argument to copy_to_user() to + * drop unneeded bytes from the output. + */ + ge_size = lineevent_get_size(); + if (count < ge_size) return -EINVAL; do { @@ -470,10 +496,10 @@ static ssize_t lineevent_read(struct file *file, break; } - if (copy_to_user(buf + bytes_read, &ge, sizeof(ge))) + if (copy_to_user(buf + bytes_read, &ge, ge_size)) return -EFAULT; - bytes_read += sizeof(ge); - } while (count >= bytes_read + sizeof(ge)); + bytes_read += ge_size; + } while (count >= bytes_read + ge_size); return bytes_read; } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v10_3.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v10_3.c index 7e59e473a19010..cdea1338c8dc01 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v10_3.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v10_3.c @@ -152,7 +152,7 @@ static uint32_t get_sdma_rlc_reg_offset(struct amdgpu_device *adev, dev_warn(adev->dev, "Invalid sdma engine id (%d), using engine id 0\n", engine_id); - /* fall through */ + fallthrough; case 0: sdma_engine_reg_base = SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_RLC0_RB_CNTL) - mmSDMA0_RLC0_RB_CNTL; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index eb7cfe87042ee3..d0b8d0d341af53 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -80,8 +80,6 @@ MODULE_FIRMWARE("amdgpu/renoir_gpu_info.bin"); MODULE_FIRMWARE("amdgpu/navi10_gpu_info.bin"); MODULE_FIRMWARE("amdgpu/navi14_gpu_info.bin"); MODULE_FIRMWARE("amdgpu/navi12_gpu_info.bin"); -MODULE_FIRMWARE("amdgpu/sienna_cichlid_gpu_info.bin"); -MODULE_FIRMWARE("amdgpu/navy_flounder_gpu_info.bin"); #define AMDGPU_RESUME_MS 2000 @@ -1600,6 +1598,8 @@ static int amdgpu_device_parse_gpu_info_fw(struct amdgpu_device *adev) case CHIP_CARRIZO: case CHIP_STONEY: case CHIP_VEGA20: + case CHIP_SIENNA_CICHLID: + case CHIP_NAVY_FLOUNDER: default: return 0; case CHIP_VEGA10: @@ -1631,12 +1631,6 @@ static int amdgpu_device_parse_gpu_info_fw(struct amdgpu_device *adev) case CHIP_NAVI12: chip_name = "navi12"; break; - case CHIP_SIENNA_CICHLID: - chip_name = "sienna_cichlid"; - break; - case CHIP_NAVY_FLOUNDER: - chip_name = "navy_flounder"; - break; } snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_gpu_info.bin", chip_name); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c index d7617296519986..44c1f6e00635c8 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c @@ -297,7 +297,7 @@ int amdgpu_display_crtc_set_config(struct drm_mode_set *set, take the current one */ if (active && !adev->have_disp_power_ref) { adev->have_disp_power_ref = true; - goto out; + return ret; } /* if we have no active crtcs, then drop the power ref we got before */ diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c index 26127c7d2f32d6..321032d3a51a26 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -1044,8 +1044,16 @@ static const struct pci_device_id pciidlist[] = { {0x1002, 0x1636, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RENOIR|AMD_IS_APU}, /* Navi12 */ - {0x1002, 0x7360, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_NAVI12|AMD_EXP_HW_SUPPORT}, - {0x1002, 0x7362, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_NAVI12|AMD_EXP_HW_SUPPORT}, + {0x1002, 0x7360, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_NAVI12}, + {0x1002, 0x7362, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_NAVI12}, + + /* Sienna_Cichlid */ + {0x1002, 0x73A0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SIENNA_CICHLID}, + {0x1002, 0x73A2, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SIENNA_CICHLID}, + {0x1002, 0x73A3, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SIENNA_CICHLID}, + {0x1002, 0x73AB, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SIENNA_CICHLID}, + {0x1002, 0x73AE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SIENNA_CICHLID}, + {0x1002, 0x73BF, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SIENNA_CICHLID}, {0, 0, 0} }; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c index 0047da06041f20..414548064648ed 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c @@ -179,6 +179,7 @@ int amdgpu_driver_load_kms(struct drm_device *dev, unsigned long flags) case CHIP_VEGA20: case CHIP_ARCTURUS: case CHIP_SIENNA_CICHLID: + case CHIP_NAVY_FLOUNDER: /* enable runpm if runpm=1 */ if (amdgpu_runtime_pm > 0) adev->runpm = true; @@ -678,8 +679,12 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file * in the bitfields */ if (se_num == AMDGPU_INFO_MMR_SE_INDEX_MASK) se_num = 0xffffffff; + else if (se_num >= AMDGPU_GFX_MAX_SE) + return -EINVAL; if (sh_num == AMDGPU_INFO_MMR_SH_INDEX_MASK) sh_num = 0xffffffff; + else if (sh_num >= AMDGPU_GFX_MAX_SH_PER_SE) + return -EINVAL; if (info->read_mmr_reg.count > 128) return -EINVAL; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c index 7fe564275457f6..06757681b2cecc 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c @@ -178,7 +178,7 @@ static int psp_sw_init(void *handle) return ret; } - if (adev->asic_type == CHIP_NAVI10) { + if (adev->asic_type == CHIP_NAVI10 || adev->asic_type == CHIP_SIENNA_CICHLID) { ret= psp_sysfs_init(adev); if (ret) { return ret; @@ -522,8 +522,7 @@ static int psp_asd_load(struct psp_context *psp) * add workaround to bypass it for sriov now. * TODO: add version check to make it common */ - if (amdgpu_sriov_vf(psp->adev) || - (psp->adev->asic_type == CHIP_NAVY_FLOUNDER)) + if (amdgpu_sriov_vf(psp->adev) || !psp->asd_fw) return 0; cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index e11c5d69843dba..978bae73139800 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -1076,6 +1076,7 @@ static int amdgpu_ttm_tt_pin_userptr(struct ttm_tt *ttm) release_sg: kfree(ttm->sg); + ttm->sg = NULL; return r; } diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c index 65997ffaed4566..f73ce97212339a 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c @@ -3595,6 +3595,9 @@ static void gfx_v10_0_check_gfxoff_flag(struct amdgpu_device *adev) if (!gfx_v10_0_navi10_gfxoff_should_enable(adev)) adev->pm.pp_feature &= ~PP_GFXOFF_MASK; break; + case CHIP_NAVY_FLOUNDER: + adev->pm.pp_feature &= ~PP_GFXOFF_MASK; + break; default: break; } @@ -7263,10 +7266,8 @@ static void gfx_v10_0_update_medium_grain_clock_gating(struct amdgpu_device *ade def = data = RREG32_SOC15(GC, 0, mmRLC_CGTT_MGCG_OVERRIDE); data &= ~(RLC_CGTT_MGCG_OVERRIDE__GRBM_CGTT_SCLK_OVERRIDE_MASK | RLC_CGTT_MGCG_OVERRIDE__GFXIP_MGCG_OVERRIDE_MASK | - RLC_CGTT_MGCG_OVERRIDE__GFXIP_MGLS_OVERRIDE_MASK); - - /* only for Vega10 & Raven1 */ - data |= RLC_CGTT_MGCG_OVERRIDE__RLC_CGTT_SCLK_OVERRIDE_MASK; + RLC_CGTT_MGCG_OVERRIDE__GFXIP_MGLS_OVERRIDE_MASK | + RLC_CGTT_MGCG_OVERRIDE__ENABLE_CGTS_LEGACY_MASK); if (def != data) WREG32_SOC15(GC, 0, mmRLC_CGTT_MGCG_OVERRIDE, data); diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c index 33f1c4a46ebe0b..88f63d7ea3712f 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c @@ -3250,7 +3250,7 @@ static void gfx_v8_0_tiling_mode_table_init(struct amdgpu_device *adev) dev_warn(adev->dev, "Unknown chip type (%d) in function gfx_v8_0_tiling_mode_table_init() falling through to CHIP_CARRIZO\n", adev->asic_type); - /* fall through */ + fallthrough; case CHIP_CARRIZO: modearray[0] = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) | diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c index 6e4f3ff4810f14..b67ba38a195f72 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c @@ -1297,7 +1297,7 @@ static void gmc_v9_0_init_golden_registers(struct amdgpu_device *adev) case CHIP_VEGA10: if (amdgpu_sriov_vf(adev)) break; - /* fall through */ + fallthrough; case CHIP_VEGA20: soc15_program_register_sequence(adev, golden_settings_mmhub_1_0_0, diff --git a/drivers/gpu/drm/amd/amdgpu/nv.c b/drivers/gpu/drm/amd/amdgpu/nv.c index da8024c2826ece..ca11253e787cac 100644 --- a/drivers/gpu/drm/amd/amdgpu/nv.c +++ b/drivers/gpu/drm/amd/amdgpu/nv.c @@ -364,6 +364,7 @@ nv_asic_reset_method(struct amdgpu_device *adev) switch (adev->asic_type) { case CHIP_SIENNA_CICHLID: + case CHIP_NAVY_FLOUNDER: return AMD_RESET_METHOD_MODE1; default: if (smu_baco_is_support(smu)) diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c b/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c index e16874f30d5dc1..6c5d9612abcb6d 100644 --- a/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c +++ b/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c @@ -58,7 +58,7 @@ MODULE_FIRMWARE("amdgpu/arcturus_ta.bin"); MODULE_FIRMWARE("amdgpu/sienna_cichlid_sos.bin"); MODULE_FIRMWARE("amdgpu/sienna_cichlid_ta.bin"); MODULE_FIRMWARE("amdgpu/navy_flounder_sos.bin"); -MODULE_FIRMWARE("amdgpu/navy_flounder_asd.bin"); +MODULE_FIRMWARE("amdgpu/navy_flounder_ta.bin"); /* address block */ #define smnMP1_FIRMWARE_FLAGS 0x3010024 diff --git a/drivers/gpu/drm/amd/amdgpu/si_dpm.c b/drivers/gpu/drm/amd/amdgpu/si_dpm.c index ea914b256ebd6c..b5986d19dc08b5 100644 --- a/drivers/gpu/drm/amd/amdgpu/si_dpm.c +++ b/drivers/gpu/drm/amd/amdgpu/si_dpm.c @@ -6196,7 +6196,7 @@ static void si_request_link_speed_change_before_state_change(struct amdgpu_devic si_pi->force_pcie_gen = AMDGPU_PCIE_GEN2; if (current_link_speed == AMDGPU_PCIE_GEN2) break; - /* fall through */ + fallthrough; case AMDGPU_PCIE_GEN2: if (amdgpu_acpi_pcie_performance_request(adev, PCIE_PERF_REQ_PECI_GEN2, false) == 0) break; diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c index 63e5547cfb16d8..3a805eaf6f11e8 100644 --- a/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c +++ b/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c @@ -746,18 +746,18 @@ static void vcn_v3_0_disable_clock_gating(struct amdgpu_device *adev, int inst) | UVD_SUVD_CGC_GATE__IME_HEVC_MASK | UVD_SUVD_CGC_GATE__EFC_MASK | UVD_SUVD_CGC_GATE__SAOE_MASK - | 0x08000000 + | UVD_SUVD_CGC_GATE__SRE_AV1_MASK | UVD_SUVD_CGC_GATE__FBC_PCLK_MASK | UVD_SUVD_CGC_GATE__FBC_CCLK_MASK - | 0x40000000 + | UVD_SUVD_CGC_GATE__SCM_AV1_MASK | UVD_SUVD_CGC_GATE__SMPA_MASK); WREG32_SOC15(VCN, inst, mmUVD_SUVD_CGC_GATE, data); data = RREG32_SOC15(VCN, inst, mmUVD_SUVD_CGC_GATE2); data |= (UVD_SUVD_CGC_GATE2__MPBE0_MASK | UVD_SUVD_CGC_GATE2__MPBE1_MASK - | 0x00000004 - | 0x00000008 + | UVD_SUVD_CGC_GATE2__SIT_AV1_MASK + | UVD_SUVD_CGC_GATE2__SDB_AV1_MASK | UVD_SUVD_CGC_GATE2__MPC1_MASK); WREG32_SOC15(VCN, inst, mmUVD_SUVD_CGC_GATE2, data); @@ -776,8 +776,8 @@ static void vcn_v3_0_disable_clock_gating(struct amdgpu_device *adev, int inst) | UVD_SUVD_CGC_CTRL__SMPA_MODE_MASK | UVD_SUVD_CGC_CTRL__MPBE0_MODE_MASK | UVD_SUVD_CGC_CTRL__MPBE1_MODE_MASK - | 0x00008000 - | 0x00010000 + | UVD_SUVD_CGC_CTRL__SIT_AV1_MODE_MASK + | UVD_SUVD_CGC_CTRL__SDB_AV1_MODE_MASK | UVD_SUVD_CGC_CTRL__MPC1_MODE_MASK | UVD_SUVD_CGC_CTRL__FBC_PCLK_MASK | UVD_SUVD_CGC_CTRL__FBC_CCLK_MASK); @@ -892,8 +892,8 @@ static void vcn_v3_0_enable_clock_gating(struct amdgpu_device *adev, int inst) | UVD_SUVD_CGC_CTRL__SMPA_MODE_MASK | UVD_SUVD_CGC_CTRL__MPBE0_MODE_MASK | UVD_SUVD_CGC_CTRL__MPBE1_MODE_MASK - | 0x00008000 - | 0x00010000 + | UVD_SUVD_CGC_CTRL__SIT_AV1_MODE_MASK + | UVD_SUVD_CGC_CTRL__SDB_AV1_MODE_MASK | UVD_SUVD_CGC_CTRL__MPC1_MODE_MASK | UVD_SUVD_CGC_CTRL__FBC_PCLK_MASK | UVD_SUVD_CGC_CTRL__FBC_CCLK_MASK); diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c index e0e60b0d0669eb..0f4508b4903e70 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c @@ -1216,6 +1216,8 @@ static int stop_cpsch(struct device_queue_manager *dqm) dqm->sched_running = false; dqm_unlock(dqm); + pm_release_ib(&dqm->packets); + kfd_gtt_sa_free(dqm->dev, dqm->fence_mem); pm_uninit(&dqm->packets, hanging); @@ -1326,7 +1328,7 @@ static int create_queue_cpsch(struct device_queue_manager *dqm, struct queue *q, if (q->properties.is_active) { increment_queue_count(dqm, q->properties.type); - retval = execute_queues_cpsch(dqm, + execute_queues_cpsch(dqm, KFD_UNMAP_QUEUES_FILTER_DYNAMIC_QUEUES, 0); } diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index df9338257ae0d1..4ba8b54a269565 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -2834,12 +2834,18 @@ static int amdgpu_dm_mode_config_init(struct amdgpu_device *adev) &dm_atomic_state_funcs); r = amdgpu_display_modeset_create_props(adev); - if (r) + if (r) { + dc_release_state(state->context); + kfree(state); return r; + } r = amdgpu_dm_audio_init(adev); - if (r) + if (r) { + dc_release_state(state->context); + kfree(state); return r; + } return 0; } @@ -2856,6 +2862,8 @@ static void amdgpu_dm_update_backlight_caps(struct amdgpu_display_manager *dm) #if defined(CONFIG_ACPI) struct amdgpu_dm_backlight_caps caps; + memset(&caps, 0, sizeof(caps)); + if (dm->backlight_caps.caps_valid) return; @@ -2894,51 +2902,50 @@ static int set_backlight_via_aux(struct dc_link *link, uint32_t brightness) return rc ? 0 : 1; } -static u32 convert_brightness(const struct amdgpu_dm_backlight_caps *caps, - const uint32_t user_brightness) +static int get_brightness_range(const struct amdgpu_dm_backlight_caps *caps, + unsigned *min, unsigned *max) { - u32 min, max, conversion_pace; - u32 brightness = user_brightness; - if (!caps) - goto out; + return 0; - if (!caps->aux_support) { - max = caps->max_input_signal; - min = caps->min_input_signal; - /* - * The brightness input is in the range 0-255 - * It needs to be rescaled to be between the - * requested min and max input signal - * It also needs to be scaled up by 0x101 to - * match the DC interface which has a range of - * 0 to 0xffff - */ - conversion_pace = 0x101; - brightness = - user_brightness - * conversion_pace - * (max - min) - / AMDGPU_MAX_BL_LEVEL - + min * conversion_pace; + if (caps->aux_support) { + // Firmware limits are in nits, DC API wants millinits. + *max = 1000 * caps->aux_max_input_signal; + *min = 1000 * caps->aux_min_input_signal; } else { - /* TODO - * We are doing a linear interpolation here, which is OK but - * does not provide the optimal result. We probably want - * something close to the Perceptual Quantizer (PQ) curve. - */ - max = caps->aux_max_input_signal; - min = caps->aux_min_input_signal; - - brightness = (AMDGPU_MAX_BL_LEVEL - user_brightness) * min - + user_brightness * max; - // Multiple the value by 1000 since we use millinits - brightness *= 1000; - brightness = DIV_ROUND_CLOSEST(brightness, AMDGPU_MAX_BL_LEVEL); + // Firmware limits are 8-bit, PWM control is 16-bit. + *max = 0x101 * caps->max_input_signal; + *min = 0x101 * caps->min_input_signal; } + return 1; +} + +static u32 convert_brightness_from_user(const struct amdgpu_dm_backlight_caps *caps, + uint32_t brightness) +{ + unsigned min, max; + + if (!get_brightness_range(caps, &min, &max)) + return brightness; + + // Rescale 0..255 to min..max + return min + DIV_ROUND_CLOSEST((max - min) * brightness, + AMDGPU_MAX_BL_LEVEL); +} + +static u32 convert_brightness_to_user(const struct amdgpu_dm_backlight_caps *caps, + uint32_t brightness) +{ + unsigned min, max; + + if (!get_brightness_range(caps, &min, &max)) + return brightness; -out: - return brightness; + if (brightness < min) + return 0; + // Rescale min..max to 0..255 + return DIV_ROUND_CLOSEST(AMDGPU_MAX_BL_LEVEL * (brightness - min), + max - min); } static int amdgpu_dm_backlight_update_status(struct backlight_device *bd) @@ -2954,7 +2961,7 @@ static int amdgpu_dm_backlight_update_status(struct backlight_device *bd) link = (struct dc_link *)dm->backlight_link; - brightness = convert_brightness(&caps, bd->props.brightness); + brightness = convert_brightness_from_user(&caps, bd->props.brightness); // Change brightness based on AUX property if (caps.aux_support) return set_backlight_via_aux(link, brightness); @@ -2971,7 +2978,7 @@ static int amdgpu_dm_backlight_get_brightness(struct backlight_device *bd) if (ret == DC_ERROR_UNEXPECTED) return bd->props.brightness; - return ret; + return convert_brightness_to_user(&dm->backlight_caps, ret); } static const struct backlight_ops amdgpu_dm_backlight_ops = { @@ -5271,19 +5278,6 @@ static void dm_crtc_helper_disable(struct drm_crtc *crtc) { } -static bool does_crtc_have_active_cursor(struct drm_crtc_state *new_crtc_state) -{ - struct drm_device *dev = new_crtc_state->crtc->dev; - struct drm_plane *plane; - - drm_for_each_plane_mask(plane, dev, new_crtc_state->plane_mask) { - if (plane->type == DRM_PLANE_TYPE_CURSOR) - return true; - } - - return false; -} - static int count_crtc_active_planes(struct drm_crtc_state *new_crtc_state) { struct drm_atomic_state *state = new_crtc_state->state; @@ -5347,19 +5341,20 @@ static int dm_crtc_helper_atomic_check(struct drm_crtc *crtc, return ret; } - /* In some use cases, like reset, no stream is attached */ - if (!dm_crtc_state->stream) - return 0; - /* - * We want at least one hardware plane enabled to use - * the stream with a cursor enabled. + * We require the primary plane to be enabled whenever the CRTC is, otherwise + * drm_mode_cursor_universal may end up trying to enable the cursor plane while all other + * planes are disabled, which is not supported by the hardware. And there is legacy + * userspace which stops using the HW cursor altogether in response to the resulting EINVAL. */ - if (state->enable && state->active && - does_crtc_have_active_cursor(state) && - dm_crtc_state->active_planes == 0) + if (state->enable && + !(state->plane_mask & drm_plane_mask(crtc->primary))) return -EINVAL; + /* In some use cases, like reset, no stream is attached */ + if (!dm_crtc_state->stream) + return 0; + if (dc_validate_stream(dc, dm_crtc_state->stream) == DC_OK) return 0; diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.c index 694c5bc93665b6..c2cd184f0bbd4b 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.c @@ -604,7 +604,7 @@ struct hdcp_workqueue *hdcp_create_workqueue(struct amdgpu_device *adev, struct int i = 0; hdcp_work = kcalloc(max_caps, sizeof(*hdcp_work), GFP_KERNEL); - if (hdcp_work == NULL) + if (ZERO_OR_NULL_PTR(hdcp_work)) return NULL; hdcp_work->srm = kcalloc(PSP_HDCP_SRM_FIRST_GEN_MAX_SIZE, sizeof(*hdcp_work->srm), GFP_KERNEL); diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c index e85b58f0f41663..336aaa09be46ee 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c @@ -67,7 +67,7 @@ static ssize_t dm_dp_aux_transfer(struct drm_dp_aux *aux, result = dc_link_aux_transfer_raw(TO_DM_AUX(aux)->ddc_service, &payload, &operation_result); - if (payload.write) + if (payload.write && result >= 0) result = msg->size; if (result < 0) diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c index c664404a75d4ff..21a3073c8929e5 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c @@ -94,6 +94,15 @@ int rn_get_active_display_cnt_wa( return display_count; } +void rn_set_low_power_state(struct clk_mgr *clk_mgr_base) +{ + struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base); + + rn_vbios_smu_set_dcn_low_power_state(clk_mgr, DCN_PWR_STATE_LOW_POWER); + /* update power state */ + clk_mgr_base->clks.pwr_state = DCN_PWR_STATE_LOW_POWER; +} + void rn_update_clocks(struct clk_mgr *clk_mgr_base, struct dc_state *context, bool safe_to_lower) @@ -516,6 +525,7 @@ static struct clk_mgr_funcs dcn21_funcs = { .init_clocks = rn_init_clocks, .enable_pme_wa = rn_enable_pme_wa, .are_clock_states_equal = rn_are_clock_states_equal, + .set_low_power_state = rn_set_low_power_state, .notify_wm_ranges = rn_notify_wm_ranges, .notify_link_rate_change = rn_notify_link_rate_change, }; @@ -773,7 +783,6 @@ void rn_clk_mgr_construct( } else { struct clk_log_info log_info = {0}; - clk_mgr->smu_ver = rn_vbios_smu_get_smu_version(clk_mgr); clk_mgr->periodic_retraining_disabled = rn_vbios_smu_is_periodic_retraining_disabled(clk_mgr); /* SMU Version 55.51.0 and up no longer have an issue diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c b/drivers/gpu/drm/amd/display/dc/core/dc_link.c index 117d8aaf2a9bf6..437d1a7a16fe7a 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c @@ -763,6 +763,7 @@ static bool detect_dp(struct dc_link *link, sink_caps->signal = dp_passive_dongle_detection(link->ddc, sink_caps, audio_support); + link->dpcd_caps.dongle_type = sink_caps->dongle_type; } return true; @@ -3286,10 +3287,10 @@ void core_link_disable_stream(struct pipe_ctx *pipe_ctx) core_link_set_avmute(pipe_ctx, true); } - dc->hwss.blank_stream(pipe_ctx); #if defined(CONFIG_DRM_AMD_DC_HDCP) update_psp_stream_config(pipe_ctx, true); #endif + dc->hwss.blank_stream(pipe_ctx); if (pipe_ctx->stream->signal == SIGNAL_TYPE_DISPLAY_PORT_MST) deallocate_mst_payload(pipe_ctx); diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c index 9bc03f26efdafd..b2be6ad5101de4 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c @@ -4409,9 +4409,9 @@ bool dc_link_get_backlight_level_nits(struct dc_link *link, link->connector_signal != SIGNAL_TYPE_DISPLAY_PORT)) return false; - if (!core_link_read_dpcd(link, DP_SOURCE_BACKLIGHT_CURRENT_PEAK, + if (core_link_read_dpcd(link, DP_SOURCE_BACKLIGHT_CURRENT_PEAK, dpcd_backlight_get.raw, - sizeof(union dpcd_source_backlight_get))) + sizeof(union dpcd_source_backlight_get)) != DC_OK) return false; *backlight_millinits_avg = @@ -4450,9 +4450,9 @@ bool dc_link_read_default_bl_aux(struct dc_link *link, uint32_t *backlight_milli link->connector_signal != SIGNAL_TYPE_DISPLAY_PORT)) return false; - if (!core_link_read_dpcd(link, DP_SOURCE_BACKLIGHT_LEVEL, + if (core_link_read_dpcd(link, DP_SOURCE_BACKLIGHT_LEVEL, (uint8_t *) backlight_millinits, - sizeof(uint32_t))) + sizeof(uint32_t)) != DC_OK) return false; return true; diff --git a/drivers/gpu/drm/amd/display/dc/dc_stream.h b/drivers/gpu/drm/amd/display/dc/dc_stream.h index 633442bc7ef268..d9888f316da6e1 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_stream.h +++ b/drivers/gpu/drm/amd/display/dc/dc_stream.h @@ -233,7 +233,7 @@ struct dc_stream_state { union stream_update_flags update_flags; }; -#define ABM_LEVEL_IMMEDIATE_DISABLE 0xFFFFFFFF +#define ABM_LEVEL_IMMEDIATE_DISABLE 255 struct dc_stream_update { struct dc_stream_state *stream; diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c index a643927e272bda..fa643ec5a8760c 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c @@ -1450,33 +1450,42 @@ void dcn10_init_hw(struct dc *dc) void dcn10_power_down_on_boot(struct dc *dc) { int i = 0; + struct dc_link *edp_link; - if (dc->config.power_down_display_on_boot) { - struct dc_link *edp_link = get_edp_link(dc); - - if (edp_link && - edp_link->link_enc->funcs->is_dig_enabled && - edp_link->link_enc->funcs->is_dig_enabled(edp_link->link_enc) && - dc->hwseq->funcs.edp_backlight_control && - dc->hwss.power_down && - dc->hwss.edp_power_control) { - dc->hwseq->funcs.edp_backlight_control(edp_link, false); - dc->hwss.power_down(dc); - dc->hwss.edp_power_control(edp_link, false); - } else { - for (i = 0; i < dc->link_count; i++) { - struct dc_link *link = dc->links[i]; - - if (link->link_enc->funcs->is_dig_enabled && - link->link_enc->funcs->is_dig_enabled(link->link_enc) && - dc->hwss.power_down) { - dc->hwss.power_down(dc); - break; - } + if (!dc->config.power_down_display_on_boot) + return; + + edp_link = get_edp_link(dc); + if (edp_link && + edp_link->link_enc->funcs->is_dig_enabled && + edp_link->link_enc->funcs->is_dig_enabled(edp_link->link_enc) && + dc->hwseq->funcs.edp_backlight_control && + dc->hwss.power_down && + dc->hwss.edp_power_control) { + dc->hwseq->funcs.edp_backlight_control(edp_link, false); + dc->hwss.power_down(dc); + dc->hwss.edp_power_control(edp_link, false); + } else { + for (i = 0; i < dc->link_count; i++) { + struct dc_link *link = dc->links[i]; + if (link->link_enc->funcs->is_dig_enabled && + link->link_enc->funcs->is_dig_enabled(link->link_enc) && + dc->hwss.power_down) { + dc->hwss.power_down(dc); + break; } + } } + + /* + * Call update_clocks with empty context + * to send DISPLAY_OFF + * Otherwise DISPLAY_OFF may not be asserted + */ + if (dc->clk_mgr->funcs->set_low_power_state) + dc->clk_mgr->funcs->set_low_power_state(dc->clk_mgr); } void dcn10_reset_hw_ctx_wrap( diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c index 17d5cb422025e1..8939541ad7afc5 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c @@ -1213,6 +1213,7 @@ static enum dc_status dcn10_validate_global(struct dc *dc, struct dc_state *cont bool video_large = false; bool desktop_large = false; bool dcc_disabled = false; + bool mpo_enabled = false; for (i = 0; i < context->stream_count; i++) { if (context->stream_status[i].plane_count == 0) @@ -1221,6 +1222,9 @@ static enum dc_status dcn10_validate_global(struct dc *dc, struct dc_state *cont if (context->stream_status[i].plane_count > 2) return DC_FAIL_UNSUPPORTED_1; + if (context->stream_status[i].plane_count > 1) + mpo_enabled = true; + for (j = 0; j < context->stream_status[i].plane_count; j++) { struct dc_plane_state *plane = context->stream_status[i].plane_states[j]; @@ -1244,6 +1248,10 @@ static enum dc_status dcn10_validate_global(struct dc *dc, struct dc_state *cont } } + /* Disable MPO in multi-display configurations. */ + if (context->stream_count > 1 && mpo_enabled) + return DC_FAIL_UNSUPPORTED_1; + /* * Workaround: On DCN10 there is UMC issue that causes underflow when * playing 4k video on 4k desktop with video downscaled and single channel diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c index 9140b3fc767ab7..f31f48dd0da29f 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c @@ -409,8 +409,8 @@ static struct _vcs_dpi_soc_bounding_box_st dcn2_0_nv14_soc = { }, }, .num_states = 5, - .sr_exit_time_us = 8.6, - .sr_enter_plus_exit_time_us = 10.9, + .sr_exit_time_us = 11.6, + .sr_enter_plus_exit_time_us = 13.9, .urgent_latency_us = 4.0, .urgent_latency_pixel_data_only_us = 4.0, .urgent_latency_pixel_mixed_with_vm_data_us = 4.0, diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/Makefile b/drivers/gpu/drm/amd/display/dc/dcn30/Makefile index 025637a83c3ba4..bd2a068f986354 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn30/Makefile +++ b/drivers/gpu/drm/amd/display/dc/dcn30/Makefile @@ -31,9 +31,21 @@ DCN30 = dcn30_init.o dcn30_hubbub.o dcn30_hubp.o dcn30_dpp.o dcn30_optc.o \ dcn30_dio_link_encoder.o dcn30_resource.o -CFLAGS_$(AMDDALPATH)/dc/dcn30/dcn30_optc.o := -mhard-float -msse -mpreferred-stack-boundary=4 - +ifdef CONFIG_X86 CFLAGS_$(AMDDALPATH)/dc/dcn30/dcn30_resource.o := -mhard-float -msse +CFLAGS_$(AMDDALPATH)/dc/dcn30/dcn30_optc.o := -mhard-float -msse +endif + +ifdef CONFIG_PPC64 +CFLAGS_$(AMDDALPATH)/dc/dcn30/dcn30_resource.o := -mhard-float -maltivec +CFLAGS_$(AMDDALPATH)/dc/dcn30/dcn30_optc.o := -mhard-float -maltivec +endif + +ifdef CONFIG_ARM64 +CFLAGS_REMOVE_$(AMDDALPATH)/dc/dcn30/dcn30_resource.o := -mgeneral-regs-only +CFLAGS_REMOVE_$(AMDDALPATH)/dc/dcn30/dcn30_optc.o := -mgeneral-regs-only +endif + ifdef CONFIG_CC_IS_GCC ifeq ($(call cc-ifversion, -lt, 0701, y), y) IS_OLD_GCC = 1 @@ -45,8 +57,10 @@ ifdef IS_OLD_GCC # GCC < 7.1 cannot compile code using `double` and -mpreferred-stack-boundary=3 # (8B stack alignment). CFLAGS_$(AMDDALPATH)/dc/dcn30/dcn30_resource.o += -mpreferred-stack-boundary=4 +CFLAGS_$(AMDDALPATH)/dc/dcn30/dcn30_optc.o += -mpreferred-stack-boundary=4 else CFLAGS_$(AMDDALPATH)/dc/dcn30/dcn30_resource.o += -msse2 +CFLAGS_$(AMDDALPATH)/dc/dcn30/dcn30_optc.o += -msse2 endif AMD_DAL_DCN30 = $(addprefix $(AMDDALPATH)/dc/dcn30/,$(DCN30)) diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/clk_mgr.h b/drivers/gpu/drm/amd/display/dc/inc/hw/clk_mgr.h index 5994d2a33c40be..947d6106f3413b 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/hw/clk_mgr.h +++ b/drivers/gpu/drm/amd/display/dc/inc/hw/clk_mgr.h @@ -230,6 +230,8 @@ struct clk_mgr_funcs { int (*get_dp_ref_clk_frequency)(struct clk_mgr *clk_mgr); + void (*set_low_power_state)(struct clk_mgr *clk_mgr); + void (*init_clocks)(struct clk_mgr *clk_mgr); void (*enable_pme_wa) (struct clk_mgr *clk_mgr); diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_log.h b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_log.h index d3192b9d0c3d8f..47f8ee2832ff09 100644 --- a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_log.h +++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_log.h @@ -27,7 +27,7 @@ #define MOD_HDCP_LOG_H_ #ifdef CONFIG_DRM_AMD_DC_HDCP -#define HDCP_LOG_ERR(hdcp, ...) DRM_WARN(__VA_ARGS__) +#define HDCP_LOG_ERR(hdcp, ...) DRM_DEBUG_KMS(__VA_ARGS__) #define HDCP_LOG_VER(hdcp, ...) DRM_DEBUG_KMS(__VA_ARGS__) #define HDCP_LOG_FSM(hdcp, ...) DRM_DEBUG_KMS(__VA_ARGS__) #define HDCP_LOG_TOP(hdcp, ...) pr_debug("[HDCP_TOP]:"__VA_ARGS__) diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.c b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.c index fb1161dd7ea809..3a367a5968ae19 100644 --- a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.c +++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.c @@ -88,7 +88,7 @@ enum mod_hdcp_status mod_hdcp_add_display_to_topology(struct mod_hdcp *hdcp, enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS; if (!psp->dtm_context.dtm_initialized) { - DRM_ERROR("Failed to add display topology, DTM TA is not initialized."); + DRM_INFO("Failed to add display topology, DTM TA is not initialized."); display->state = MOD_HDCP_DISPLAY_INACTIVE; return MOD_HDCP_STATUS_FAILURE; } diff --git a/drivers/gpu/drm/amd/include/asic_reg/gc/gc_10_3_0_default.h b/drivers/gpu/drm/amd/include/asic_reg/gc/gc_10_3_0_default.h index 1116779252e650..e245e912535e5b 100644 --- a/drivers/gpu/drm/amd/include/asic_reg/gc/gc_10_3_0_default.h +++ b/drivers/gpu/drm/amd/include/asic_reg/gc/gc_10_3_0_default.h @@ -2727,6 +2727,7 @@ #define mmDB_STENCIL_WRITE_BASE_DEFAULT 0x00000000 #define mmDB_RESERVED_REG_1_DEFAULT 0x00000000 #define mmDB_RESERVED_REG_3_DEFAULT 0x00000000 +#define mmDB_VRS_OVERRIDE_CNTL_DEFAULT 0x00000000 #define mmDB_Z_READ_BASE_HI_DEFAULT 0x00000000 #define mmDB_STENCIL_READ_BASE_HI_DEFAULT 0x00000000 #define mmDB_Z_WRITE_BASE_HI_DEFAULT 0x00000000 @@ -3062,6 +3063,7 @@ #define mmPA_SU_OVER_RASTERIZATION_CNTL_DEFAULT 0x00000000 #define mmPA_STEREO_CNTL_DEFAULT 0x00000000 #define mmPA_STATE_STEREO_X_DEFAULT 0x00000000 +#define mmPA_CL_VRS_CNTL_DEFAULT 0x00000000 #define mmPA_SU_POINT_SIZE_DEFAULT 0x00000000 #define mmPA_SU_POINT_MINMAX_DEFAULT 0x00000000 #define mmPA_SU_LINE_CNTL_DEFAULT 0x00000000 diff --git a/drivers/gpu/drm/amd/include/asic_reg/gc/gc_10_3_0_offset.h b/drivers/gpu/drm/amd/include/asic_reg/gc/gc_10_3_0_offset.h index 05d1b0a5f6d25f..644a9fa71bb2a9 100644 --- a/drivers/gpu/drm/amd/include/asic_reg/gc/gc_10_3_0_offset.h +++ b/drivers/gpu/drm/amd/include/asic_reg/gc/gc_10_3_0_offset.h @@ -5379,6 +5379,8 @@ #define mmDB_RESERVED_REG_1_BASE_IDX 1 #define mmDB_RESERVED_REG_3 0x0017 #define mmDB_RESERVED_REG_3_BASE_IDX 1 +#define mmDB_VRS_OVERRIDE_CNTL 0x0019 +#define mmDB_VRS_OVERRIDE_CNTL_BASE_IDX 1 #define mmDB_Z_READ_BASE_HI 0x001a #define mmDB_Z_READ_BASE_HI_BASE_IDX 1 #define mmDB_STENCIL_READ_BASE_HI 0x001b @@ -6049,6 +6051,8 @@ #define mmPA_STEREO_CNTL_BASE_IDX 1 #define mmPA_STATE_STEREO_X 0x0211 #define mmPA_STATE_STEREO_X_BASE_IDX 1 +#define mmPA_CL_VRS_CNTL 0x0212 +#define mmPA_CL_VRS_CNTL_BASE_IDX 1 #define mmPA_SU_POINT_SIZE 0x0280 #define mmPA_SU_POINT_SIZE_BASE_IDX 1 #define mmPA_SU_POINT_MINMAX 0x0281 diff --git a/drivers/gpu/drm/amd/include/asic_reg/gc/gc_10_3_0_sh_mask.h b/drivers/gpu/drm/amd/include/asic_reg/gc/gc_10_3_0_sh_mask.h index aac57f714cf165..2e449fcff893e8 100644 --- a/drivers/gpu/drm/amd/include/asic_reg/gc/gc_10_3_0_sh_mask.h +++ b/drivers/gpu/drm/amd/include/asic_reg/gc/gc_10_3_0_sh_mask.h @@ -9777,6 +9777,7 @@ #define DB_EXCEPTION_CONTROL__AUTO_FLUSH_HTILE__SHIFT 0x3 #define DB_EXCEPTION_CONTROL__AUTO_FLUSH_QUAD__SHIFT 0x4 #define DB_EXCEPTION_CONTROL__FORCE_SUMMARIZE__SHIFT 0x8 +#define DB_EXCEPTION_CONTROL__FORCE_VRS_RATE_FINE__SHIFT 0x10 #define DB_EXCEPTION_CONTROL__DTAG_WATERMARK__SHIFT 0x18 #define DB_EXCEPTION_CONTROL__EARLY_Z_PANIC_DISABLE_MASK 0x00000001L #define DB_EXCEPTION_CONTROL__LATE_Z_PANIC_DISABLE_MASK 0x00000002L @@ -9784,6 +9785,7 @@ #define DB_EXCEPTION_CONTROL__AUTO_FLUSH_HTILE_MASK 0x00000008L #define DB_EXCEPTION_CONTROL__AUTO_FLUSH_QUAD_MASK 0x00000010L #define DB_EXCEPTION_CONTROL__FORCE_SUMMARIZE_MASK 0x00000F00L +#define DB_EXCEPTION_CONTROL__FORCE_VRS_RATE_FINE_MASK 0x00FF0000L #define DB_EXCEPTION_CONTROL__DTAG_WATERMARK_MASK 0x7F000000L //DB_DFSM_CONFIG #define DB_DFSM_CONFIG__BYPASS_DFSM__SHIFT 0x0 @@ -10076,6 +10078,7 @@ #define CB_HW_CONTROL_3__DISABLE_NACK_PROCESSING_CM__SHIFT 0x18 #define CB_HW_CONTROL_3__DISABLE_NACK_COLOR_RD_WR_OPT__SHIFT 0x19 #define CB_HW_CONTROL_3__DISABLE_BLENDER_CLOCK_GATING__SHIFT 0x1a +#define CB_HW_CONTROL_3__DISABLE_DCC_VRS_OPT__SHIFT 0x1c #define CB_HW_CONTROL_3__DISABLE_FMASK_NOFETCH_OPT__SHIFT 0x1e #define CB_HW_CONTROL_3__DISABLE_FMASK_NOFETCH_OPT_BC__SHIFT 0x1f #define CB_HW_CONTROL_3__DISABLE_SLOW_MODE_EMPTY_HALF_QUAD_KILL_MASK 0x00000001L @@ -10103,12 +10106,15 @@ #define CB_HW_CONTROL_3__DISABLE_NACK_PROCESSING_CM_MASK 0x01000000L #define CB_HW_CONTROL_3__DISABLE_NACK_COLOR_RD_WR_OPT_MASK 0x02000000L #define CB_HW_CONTROL_3__DISABLE_BLENDER_CLOCK_GATING_MASK 0x04000000L +#define CB_HW_CONTROL_3__DISABLE_DCC_VRS_OPT_MASK 0x10000000L #define CB_HW_CONTROL_3__DISABLE_FMASK_NOFETCH_OPT_MASK 0x40000000L #define CB_HW_CONTROL_3__DISABLE_FMASK_NOFETCH_OPT_BC_MASK 0x80000000L //CB_HW_CONTROL #define CB_HW_CONTROL__ALLOW_MRT_WITH_DUAL_SOURCE__SHIFT 0x0 +#define CB_HW_CONTROL__DISABLE_VRS_FILLRATE_OPTIMIZATION__SHIFT 0x1 #define CB_HW_CONTROL__DISABLE_FILLRATE_OPT_FIX_WITH_CFC__SHIFT 0x3 #define CB_HW_CONTROL__DISABLE_POST_DCC_WITH_CFC_FIX__SHIFT 0x4 +#define CB_HW_CONTROL__DISABLE_COMPRESS_1FRAG_WHEN_VRS_RATE_HINT_EN__SHIFT 0x5 #define CB_HW_CONTROL__RMI_CREDITS__SHIFT 0x6 #define CB_HW_CONTROL__CHICKEN_BITS__SHIFT 0xc #define CB_HW_CONTROL__DISABLE_FMASK_MULTI_MGCG_DOMAINS__SHIFT 0xf @@ -10129,8 +10135,10 @@ #define CB_HW_CONTROL__DISABLE_CC_IB_SERIALIZER_STATE_OPT__SHIFT 0x1e #define CB_HW_CONTROL__DISABLE_PIXEL_IN_QUAD_FIX_FOR_LINEAR_SURFACE__SHIFT 0x1f #define CB_HW_CONTROL__ALLOW_MRT_WITH_DUAL_SOURCE_MASK 0x00000001L +#define CB_HW_CONTROL__DISABLE_VRS_FILLRATE_OPTIMIZATION_MASK 0x00000002L #define CB_HW_CONTROL__DISABLE_FILLRATE_OPT_FIX_WITH_CFC_MASK 0x00000008L #define CB_HW_CONTROL__DISABLE_POST_DCC_WITH_CFC_FIX_MASK 0x00000010L +#define CB_HW_CONTROL__DISABLE_COMPRESS_1FRAG_WHEN_VRS_RATE_HINT_EN_MASK 0x00000020L #define CB_HW_CONTROL__RMI_CREDITS_MASK 0x00000FC0L #define CB_HW_CONTROL__CHICKEN_BITS_MASK 0x00007000L #define CB_HW_CONTROL__DISABLE_FMASK_MULTI_MGCG_DOMAINS_MASK 0x00008000L @@ -19881,6 +19889,7 @@ #define DB_RENDER_OVERRIDE2__PRESERVE_SRESULTS__SHIFT 0x16 #define DB_RENDER_OVERRIDE2__DISABLE_FAST_PASS__SHIFT 0x17 #define DB_RENDER_OVERRIDE2__ALLOW_PARTIAL_RES_HIER_KILL__SHIFT 0x19 +#define DB_RENDER_OVERRIDE2__FORCE_VRS_RATE_FINE__SHIFT 0x1a #define DB_RENDER_OVERRIDE2__CENTROID_COMPUTATION_MODE__SHIFT 0x1b #define DB_RENDER_OVERRIDE2__PARTIAL_SQUAD_LAUNCH_CONTROL_MASK 0x00000003L #define DB_RENDER_OVERRIDE2__PARTIAL_SQUAD_LAUNCH_COUNTDOWN_MASK 0x0000001CL @@ -19898,6 +19907,7 @@ #define DB_RENDER_OVERRIDE2__PRESERVE_SRESULTS_MASK 0x00400000L #define DB_RENDER_OVERRIDE2__DISABLE_FAST_PASS_MASK 0x00800000L #define DB_RENDER_OVERRIDE2__ALLOW_PARTIAL_RES_HIER_KILL_MASK 0x02000000L +#define DB_RENDER_OVERRIDE2__FORCE_VRS_RATE_FINE_MASK 0x04000000L #define DB_RENDER_OVERRIDE2__CENTROID_COMPUTATION_MODE_MASK 0x18000000L //DB_HTILE_DATA_BASE #define DB_HTILE_DATA_BASE__BASE_256B__SHIFT 0x0 @@ -20021,6 +20031,13 @@ //DB_RESERVED_REG_3 #define DB_RESERVED_REG_3__FIELD_1__SHIFT 0x0 #define DB_RESERVED_REG_3__FIELD_1_MASK 0x003FFFFFL +//DB_VRS_OVERRIDE_CNTL +#define DB_VRS_OVERRIDE_CNTL__VRS_OVERRIDE_RATE_COMBINER_MODE__SHIFT 0x0 +#define DB_VRS_OVERRIDE_CNTL__VRS_OVERRIDE_RATE_X__SHIFT 0x4 +#define DB_VRS_OVERRIDE_CNTL__VRS_OVERRIDE_RATE_Y__SHIFT 0x6 +#define DB_VRS_OVERRIDE_CNTL__VRS_OVERRIDE_RATE_COMBINER_MODE_MASK 0x00000007L +#define DB_VRS_OVERRIDE_CNTL__VRS_OVERRIDE_RATE_X_MASK 0x00000030L +#define DB_VRS_OVERRIDE_CNTL__VRS_OVERRIDE_RATE_Y_MASK 0x000000C0L //DB_Z_READ_BASE_HI #define DB_Z_READ_BASE_HI__BASE_HI__SHIFT 0x0 #define DB_Z_READ_BASE_HI__BASE_HI_MASK 0x000000FFL @@ -22598,6 +22615,7 @@ #define PA_CL_VS_OUT_CNTL__VS_OUT_MISC_SIDE_BUS_ENA__SHIFT 0x18 #define PA_CL_VS_OUT_CNTL__USE_VTX_GS_CUT_FLAG__SHIFT 0x19 #define PA_CL_VS_OUT_CNTL__USE_VTX_LINE_WIDTH__SHIFT 0x1b +#define PA_CL_VS_OUT_CNTL__USE_VTX_VRS_RATE__SHIFT 0x1c #define PA_CL_VS_OUT_CNTL__BYPASS_VTX_RATE_COMBINER__SHIFT 0x1d #define PA_CL_VS_OUT_CNTL__BYPASS_PRIM_RATE_COMBINER__SHIFT 0x1e #define PA_CL_VS_OUT_CNTL__CLIP_DIST_ENA_0_MASK 0x00000001L @@ -22627,6 +22645,7 @@ #define PA_CL_VS_OUT_CNTL__VS_OUT_MISC_SIDE_BUS_ENA_MASK 0x01000000L #define PA_CL_VS_OUT_CNTL__USE_VTX_GS_CUT_FLAG_MASK 0x02000000L #define PA_CL_VS_OUT_CNTL__USE_VTX_LINE_WIDTH_MASK 0x08000000L +#define PA_CL_VS_OUT_CNTL__USE_VTX_VRS_RATE_MASK 0x10000000L #define PA_CL_VS_OUT_CNTL__BYPASS_VTX_RATE_COMBINER_MASK 0x20000000L #define PA_CL_VS_OUT_CNTL__BYPASS_PRIM_RATE_COMBINER_MASK 0x40000000L //PA_CL_NANINF_CNTL @@ -22740,6 +22759,19 @@ //PA_STATE_STEREO_X #define PA_STATE_STEREO_X__STEREO_X_OFFSET__SHIFT 0x0 #define PA_STATE_STEREO_X__STEREO_X_OFFSET_MASK 0xFFFFFFFFL +//PA_CL_VRS_CNTL +#define PA_CL_VRS_CNTL__VERTEX_RATE_COMBINER_MODE__SHIFT 0x0 +#define PA_CL_VRS_CNTL__PRIMITIVE_RATE_COMBINER_MODE__SHIFT 0x3 +#define PA_CL_VRS_CNTL__HTILE_RATE_COMBINER_MODE__SHIFT 0x6 +#define PA_CL_VRS_CNTL__SAMPLE_ITER_COMBINER_MODE__SHIFT 0x9 +#define PA_CL_VRS_CNTL__EXPOSE_VRS_PIXELS_MASK__SHIFT 0xd +#define PA_CL_VRS_CNTL__CMASK_RATE_HINT_FORCE_ZERO__SHIFT 0xe +#define PA_CL_VRS_CNTL__VERTEX_RATE_COMBINER_MODE_MASK 0x00000007L +#define PA_CL_VRS_CNTL__PRIMITIVE_RATE_COMBINER_MODE_MASK 0x00000038L +#define PA_CL_VRS_CNTL__HTILE_RATE_COMBINER_MODE_MASK 0x000001C0L +#define PA_CL_VRS_CNTL__SAMPLE_ITER_COMBINER_MODE_MASK 0x00000E00L +#define PA_CL_VRS_CNTL__EXPOSE_VRS_PIXELS_MASK_MASK 0x00002000L +#define PA_CL_VRS_CNTL__CMASK_RATE_HINT_FORCE_ZERO_MASK 0x00004000L //PA_SU_POINT_SIZE #define PA_SU_POINT_SIZE__HEIGHT__SHIFT 0x0 #define PA_SU_POINT_SIZE__WIDTH__SHIFT 0x10 @@ -23088,6 +23120,7 @@ #define DB_HTILE_SURFACE__DST_OUTSIDE_ZERO_TO_ONE__SHIFT 0x10 #define DB_HTILE_SURFACE__RESERVED_FIELD_6__SHIFT 0x11 #define DB_HTILE_SURFACE__PIPE_ALIGNED__SHIFT 0x12 +#define DB_HTILE_SURFACE__VRS_HTILE_ENCODING__SHIFT 0x13 #define DB_HTILE_SURFACE__RESERVED_FIELD_1_MASK 0x00000001L #define DB_HTILE_SURFACE__FULL_CACHE_MASK 0x00000002L #define DB_HTILE_SURFACE__RESERVED_FIELD_2_MASK 0x00000004L @@ -23097,6 +23130,7 @@ #define DB_HTILE_SURFACE__DST_OUTSIDE_ZERO_TO_ONE_MASK 0x00010000L #define DB_HTILE_SURFACE__RESERVED_FIELD_6_MASK 0x00020000L #define DB_HTILE_SURFACE__PIPE_ALIGNED_MASK 0x00040000L +#define DB_HTILE_SURFACE__VRS_HTILE_ENCODING_MASK 0x00180000L //DB_SRESULTS_COMPARE_STATE0 #define DB_SRESULTS_COMPARE_STATE0__COMPAREFUNC0__SHIFT 0x0 #define DB_SRESULTS_COMPARE_STATE0__COMPAREVALUE0__SHIFT 0x4 @@ -24954,6 +24988,7 @@ #define CB_COLOR0_ATTRIB3__CMASK_PIPE_ALIGNED__SHIFT 0x1a #define CB_COLOR0_ATTRIB3__RESOURCE_LEVEL__SHIFT 0x1b #define CB_COLOR0_ATTRIB3__DCC_PIPE_ALIGNED__SHIFT 0x1e +#define CB_COLOR0_ATTRIB3__VRS_RATE_HINT_ENABLE__SHIFT 0x1f #define CB_COLOR0_ATTRIB3__MIP0_DEPTH_MASK 0x00001FFFL #define CB_COLOR0_ATTRIB3__META_LINEAR_MASK 0x00002000L #define CB_COLOR0_ATTRIB3__COLOR_SW_MODE_MASK 0x0007C000L @@ -24962,6 +24997,7 @@ #define CB_COLOR0_ATTRIB3__CMASK_PIPE_ALIGNED_MASK 0x04000000L #define CB_COLOR0_ATTRIB3__RESOURCE_LEVEL_MASK 0x38000000L #define CB_COLOR0_ATTRIB3__DCC_PIPE_ALIGNED_MASK 0x40000000L +#define CB_COLOR0_ATTRIB3__VRS_RATE_HINT_ENABLE_MASK 0x80000000L //CB_COLOR1_ATTRIB3 #define CB_COLOR1_ATTRIB3__MIP0_DEPTH__SHIFT 0x0 #define CB_COLOR1_ATTRIB3__META_LINEAR__SHIFT 0xd @@ -24971,6 +25007,7 @@ #define CB_COLOR1_ATTRIB3__CMASK_PIPE_ALIGNED__SHIFT 0x1a #define CB_COLOR1_ATTRIB3__RESOURCE_LEVEL__SHIFT 0x1b #define CB_COLOR1_ATTRIB3__DCC_PIPE_ALIGNED__SHIFT 0x1e +#define CB_COLOR1_ATTRIB3__VRS_RATE_HINT_ENABLE__SHIFT 0x1f #define CB_COLOR1_ATTRIB3__MIP0_DEPTH_MASK 0x00001FFFL #define CB_COLOR1_ATTRIB3__META_LINEAR_MASK 0x00002000L #define CB_COLOR1_ATTRIB3__COLOR_SW_MODE_MASK 0x0007C000L @@ -24979,6 +25016,7 @@ #define CB_COLOR1_ATTRIB3__CMASK_PIPE_ALIGNED_MASK 0x04000000L #define CB_COLOR1_ATTRIB3__RESOURCE_LEVEL_MASK 0x38000000L #define CB_COLOR1_ATTRIB3__DCC_PIPE_ALIGNED_MASK 0x40000000L +#define CB_COLOR1_ATTRIB3__VRS_RATE_HINT_ENABLE_MASK 0x80000000L //CB_COLOR2_ATTRIB3 #define CB_COLOR2_ATTRIB3__MIP0_DEPTH__SHIFT 0x0 #define CB_COLOR2_ATTRIB3__META_LINEAR__SHIFT 0xd @@ -24988,6 +25026,7 @@ #define CB_COLOR2_ATTRIB3__CMASK_PIPE_ALIGNED__SHIFT 0x1a #define CB_COLOR2_ATTRIB3__RESOURCE_LEVEL__SHIFT 0x1b #define CB_COLOR2_ATTRIB3__DCC_PIPE_ALIGNED__SHIFT 0x1e +#define CB_COLOR2_ATTRIB3__VRS_RATE_HINT_ENABLE__SHIFT 0x1f #define CB_COLOR2_ATTRIB3__MIP0_DEPTH_MASK 0x00001FFFL #define CB_COLOR2_ATTRIB3__META_LINEAR_MASK 0x00002000L #define CB_COLOR2_ATTRIB3__COLOR_SW_MODE_MASK 0x0007C000L @@ -24996,6 +25035,7 @@ #define CB_COLOR2_ATTRIB3__CMASK_PIPE_ALIGNED_MASK 0x04000000L #define CB_COLOR2_ATTRIB3__RESOURCE_LEVEL_MASK 0x38000000L #define CB_COLOR2_ATTRIB3__DCC_PIPE_ALIGNED_MASK 0x40000000L +#define CB_COLOR2_ATTRIB3__VRS_RATE_HINT_ENABLE_MASK 0x80000000L //CB_COLOR3_ATTRIB3 #define CB_COLOR3_ATTRIB3__MIP0_DEPTH__SHIFT 0x0 #define CB_COLOR3_ATTRIB3__META_LINEAR__SHIFT 0xd @@ -25005,6 +25045,7 @@ #define CB_COLOR3_ATTRIB3__CMASK_PIPE_ALIGNED__SHIFT 0x1a #define CB_COLOR3_ATTRIB3__RESOURCE_LEVEL__SHIFT 0x1b #define CB_COLOR3_ATTRIB3__DCC_PIPE_ALIGNED__SHIFT 0x1e +#define CB_COLOR3_ATTRIB3__VRS_RATE_HINT_ENABLE__SHIFT 0x1f #define CB_COLOR3_ATTRIB3__MIP0_DEPTH_MASK 0x00001FFFL #define CB_COLOR3_ATTRIB3__META_LINEAR_MASK 0x00002000L #define CB_COLOR3_ATTRIB3__COLOR_SW_MODE_MASK 0x0007C000L @@ -25013,6 +25054,7 @@ #define CB_COLOR3_ATTRIB3__CMASK_PIPE_ALIGNED_MASK 0x04000000L #define CB_COLOR3_ATTRIB3__RESOURCE_LEVEL_MASK 0x38000000L #define CB_COLOR3_ATTRIB3__DCC_PIPE_ALIGNED_MASK 0x40000000L +#define CB_COLOR3_ATTRIB3__VRS_RATE_HINT_ENABLE_MASK 0x80000000L //CB_COLOR4_ATTRIB3 #define CB_COLOR4_ATTRIB3__MIP0_DEPTH__SHIFT 0x0 #define CB_COLOR4_ATTRIB3__META_LINEAR__SHIFT 0xd @@ -25022,6 +25064,7 @@ #define CB_COLOR4_ATTRIB3__CMASK_PIPE_ALIGNED__SHIFT 0x1a #define CB_COLOR4_ATTRIB3__RESOURCE_LEVEL__SHIFT 0x1b #define CB_COLOR4_ATTRIB3__DCC_PIPE_ALIGNED__SHIFT 0x1e +#define CB_COLOR4_ATTRIB3__VRS_RATE_HINT_ENABLE__SHIFT 0x1f #define CB_COLOR4_ATTRIB3__MIP0_DEPTH_MASK 0x00001FFFL #define CB_COLOR4_ATTRIB3__META_LINEAR_MASK 0x00002000L #define CB_COLOR4_ATTRIB3__COLOR_SW_MODE_MASK 0x0007C000L @@ -25030,6 +25073,7 @@ #define CB_COLOR4_ATTRIB3__CMASK_PIPE_ALIGNED_MASK 0x04000000L #define CB_COLOR4_ATTRIB3__RESOURCE_LEVEL_MASK 0x38000000L #define CB_COLOR4_ATTRIB3__DCC_PIPE_ALIGNED_MASK 0x40000000L +#define CB_COLOR4_ATTRIB3__VRS_RATE_HINT_ENABLE_MASK 0x80000000L //CB_COLOR5_ATTRIB3 #define CB_COLOR5_ATTRIB3__MIP0_DEPTH__SHIFT 0x0 #define CB_COLOR5_ATTRIB3__META_LINEAR__SHIFT 0xd @@ -25039,6 +25083,7 @@ #define CB_COLOR5_ATTRIB3__CMASK_PIPE_ALIGNED__SHIFT 0x1a #define CB_COLOR5_ATTRIB3__RESOURCE_LEVEL__SHIFT 0x1b #define CB_COLOR5_ATTRIB3__DCC_PIPE_ALIGNED__SHIFT 0x1e +#define CB_COLOR5_ATTRIB3__VRS_RATE_HINT_ENABLE__SHIFT 0x1f #define CB_COLOR5_ATTRIB3__MIP0_DEPTH_MASK 0x00001FFFL #define CB_COLOR5_ATTRIB3__META_LINEAR_MASK 0x00002000L #define CB_COLOR5_ATTRIB3__COLOR_SW_MODE_MASK 0x0007C000L @@ -25047,6 +25092,7 @@ #define CB_COLOR5_ATTRIB3__CMASK_PIPE_ALIGNED_MASK 0x04000000L #define CB_COLOR5_ATTRIB3__RESOURCE_LEVEL_MASK 0x38000000L #define CB_COLOR5_ATTRIB3__DCC_PIPE_ALIGNED_MASK 0x40000000L +#define CB_COLOR5_ATTRIB3__VRS_RATE_HINT_ENABLE_MASK 0x80000000L //CB_COLOR6_ATTRIB3 #define CB_COLOR6_ATTRIB3__MIP0_DEPTH__SHIFT 0x0 #define CB_COLOR6_ATTRIB3__META_LINEAR__SHIFT 0xd @@ -25056,6 +25102,7 @@ #define CB_COLOR6_ATTRIB3__CMASK_PIPE_ALIGNED__SHIFT 0x1a #define CB_COLOR6_ATTRIB3__RESOURCE_LEVEL__SHIFT 0x1b #define CB_COLOR6_ATTRIB3__DCC_PIPE_ALIGNED__SHIFT 0x1e +#define CB_COLOR6_ATTRIB3__VRS_RATE_HINT_ENABLE__SHIFT 0x1f #define CB_COLOR6_ATTRIB3__MIP0_DEPTH_MASK 0x00001FFFL #define CB_COLOR6_ATTRIB3__META_LINEAR_MASK 0x00002000L #define CB_COLOR6_ATTRIB3__COLOR_SW_MODE_MASK 0x0007C000L @@ -25064,6 +25111,7 @@ #define CB_COLOR6_ATTRIB3__CMASK_PIPE_ALIGNED_MASK 0x04000000L #define CB_COLOR6_ATTRIB3__RESOURCE_LEVEL_MASK 0x38000000L #define CB_COLOR6_ATTRIB3__DCC_PIPE_ALIGNED_MASK 0x40000000L +#define CB_COLOR6_ATTRIB3__VRS_RATE_HINT_ENABLE_MASK 0x80000000L //CB_COLOR7_ATTRIB3 #define CB_COLOR7_ATTRIB3__MIP0_DEPTH__SHIFT 0x0 #define CB_COLOR7_ATTRIB3__META_LINEAR__SHIFT 0xd @@ -25073,6 +25121,7 @@ #define CB_COLOR7_ATTRIB3__CMASK_PIPE_ALIGNED__SHIFT 0x1a #define CB_COLOR7_ATTRIB3__RESOURCE_LEVEL__SHIFT 0x1b #define CB_COLOR7_ATTRIB3__DCC_PIPE_ALIGNED__SHIFT 0x1e +#define CB_COLOR7_ATTRIB3__VRS_RATE_HINT_ENABLE__SHIFT 0x1f #define CB_COLOR7_ATTRIB3__MIP0_DEPTH_MASK 0x00001FFFL #define CB_COLOR7_ATTRIB3__META_LINEAR_MASK 0x00002000L #define CB_COLOR7_ATTRIB3__COLOR_SW_MODE_MASK 0x0007C000L @@ -25081,6 +25130,7 @@ #define CB_COLOR7_ATTRIB3__CMASK_PIPE_ALIGNED_MASK 0x04000000L #define CB_COLOR7_ATTRIB3__RESOURCE_LEVEL_MASK 0x38000000L #define CB_COLOR7_ATTRIB3__DCC_PIPE_ALIGNED_MASK 0x40000000L +#define CB_COLOR7_ATTRIB3__VRS_RATE_HINT_ENABLE_MASK 0x80000000L // addressBlock: gc_gfxudec diff --git a/drivers/gpu/drm/amd/include/asic_reg/vcn/vcn_3_0_0_sh_mask.h b/drivers/gpu/drm/amd/include/asic_reg/vcn/vcn_3_0_0_sh_mask.h index c0efd90808f233..58cf7adb9d5453 100644 --- a/drivers/gpu/drm/amd/include/asic_reg/vcn/vcn_3_0_0_sh_mask.h +++ b/drivers/gpu/drm/amd/include/asic_reg/vcn/vcn_3_0_0_sh_mask.h @@ -2393,6 +2393,7 @@ #define VCN_FEATURES__HAS_MJPEG2_IDCT_DEC__SHIFT 0x7 #define VCN_FEATURES__HAS_SCLR_DEC__SHIFT 0x8 #define VCN_FEATURES__HAS_VP9_DEC__SHIFT 0x9 +#define VCN_FEATURES__HAS_AV1_DEC__SHIFT 0xa #define VCN_FEATURES__HAS_EFC_ENC__SHIFT 0xb #define VCN_FEATURES__HAS_EFC_HDR2SDR_ENC__SHIFT 0xc #define VCN_FEATURES__HAS_DUAL_MJPEG_DEC__SHIFT 0xd @@ -2407,6 +2408,7 @@ #define VCN_FEATURES__HAS_MJPEG2_IDCT_DEC_MASK 0x00000080L #define VCN_FEATURES__HAS_SCLR_DEC_MASK 0x00000100L #define VCN_FEATURES__HAS_VP9_DEC_MASK 0x00000200L +#define VCN_FEATURES__HAS_AV1_DEC_MASK 0x00000400L #define VCN_FEATURES__HAS_EFC_ENC_MASK 0x00000800L #define VCN_FEATURES__HAS_EFC_HDR2SDR_ENC_MASK 0x00001000L #define VCN_FEATURES__HAS_DUAL_MJPEG_DEC_MASK 0x00002000L @@ -2809,8 +2811,10 @@ #define UVD_SUVD_CGC_GATE__IME_HEVC__SHIFT 0x18 #define UVD_SUVD_CGC_GATE__EFC__SHIFT 0x19 #define UVD_SUVD_CGC_GATE__SAOE__SHIFT 0x1a +#define UVD_SUVD_CGC_GATE__SRE_AV1__SHIFT 0x1b #define UVD_SUVD_CGC_GATE__FBC_PCLK__SHIFT 0x1c #define UVD_SUVD_CGC_GATE__FBC_CCLK__SHIFT 0x1d +#define UVD_SUVD_CGC_GATE__SCM_AV1__SHIFT 0x1e #define UVD_SUVD_CGC_GATE__SMPA__SHIFT 0x1f #define UVD_SUVD_CGC_GATE__SRE_MASK 0x00000001L #define UVD_SUVD_CGC_GATE__SIT_MASK 0x00000002L @@ -2839,8 +2843,10 @@ #define UVD_SUVD_CGC_GATE__IME_HEVC_MASK 0x01000000L #define UVD_SUVD_CGC_GATE__EFC_MASK 0x02000000L #define UVD_SUVD_CGC_GATE__SAOE_MASK 0x04000000L +#define UVD_SUVD_CGC_GATE__SRE_AV1_MASK 0x08000000L #define UVD_SUVD_CGC_GATE__FBC_PCLK_MASK 0x10000000L #define UVD_SUVD_CGC_GATE__FBC_CCLK_MASK 0x20000000L +#define UVD_SUVD_CGC_GATE__SCM_AV1_MASK 0x40000000L #define UVD_SUVD_CGC_GATE__SMPA_MASK 0x80000000L //UVD_SUVD_CGC_STATUS #define UVD_SUVD_CGC_STATUS__SRE_VCLK__SHIFT 0x0 @@ -2873,6 +2879,8 @@ #define UVD_SUVD_CGC_STATUS__IME_HEVC_DCLK__SHIFT 0x1b #define UVD_SUVD_CGC_STATUS__EFC_DCLK__SHIFT 0x1c #define UVD_SUVD_CGC_STATUS__SAOE_DCLK__SHIFT 0x1d +#define UVD_SUVD_CGC_STATUS__SRE_AV1_VCLK__SHIFT 0x1e +#define UVD_SUVD_CGC_STATUS__SCM_AV1_DCLK__SHIFT 0x1f #define UVD_SUVD_CGC_STATUS__SRE_VCLK_MASK 0x00000001L #define UVD_SUVD_CGC_STATUS__SRE_DCLK_MASK 0x00000002L #define UVD_SUVD_CGC_STATUS__SIT_DCLK_MASK 0x00000004L @@ -2903,6 +2911,8 @@ #define UVD_SUVD_CGC_STATUS__IME_HEVC_DCLK_MASK 0x08000000L #define UVD_SUVD_CGC_STATUS__EFC_DCLK_MASK 0x10000000L #define UVD_SUVD_CGC_STATUS__SAOE_DCLK_MASK 0x20000000L +#define UVD_SUVD_CGC_STATUS__SRE_AV1_VCLK_MASK 0x40000000L +#define UVD_SUVD_CGC_STATUS__SCM_AV1_DCLK_MASK 0x80000000L //UVD_SUVD_CGC_CTRL #define UVD_SUVD_CGC_CTRL__SRE_MODE__SHIFT 0x0 #define UVD_SUVD_CGC_CTRL__SIT_MODE__SHIFT 0x1 @@ -2919,6 +2929,8 @@ #define UVD_SUVD_CGC_CTRL__SMPA_MODE__SHIFT 0xc #define UVD_SUVD_CGC_CTRL__MPBE0_MODE__SHIFT 0xd #define UVD_SUVD_CGC_CTRL__MPBE1_MODE__SHIFT 0xe +#define UVD_SUVD_CGC_CTRL__SIT_AV1_MODE__SHIFT 0xf +#define UVD_SUVD_CGC_CTRL__SDB_AV1_MODE__SHIFT 0x10 #define UVD_SUVD_CGC_CTRL__MPC1_MODE__SHIFT 0x11 #define UVD_SUVD_CGC_CTRL__FBC_PCLK__SHIFT 0x1c #define UVD_SUVD_CGC_CTRL__FBC_CCLK__SHIFT 0x1d @@ -2937,6 +2949,8 @@ #define UVD_SUVD_CGC_CTRL__SMPA_MODE_MASK 0x00001000L #define UVD_SUVD_CGC_CTRL__MPBE0_MODE_MASK 0x00002000L #define UVD_SUVD_CGC_CTRL__MPBE1_MODE_MASK 0x00004000L +#define UVD_SUVD_CGC_CTRL__SIT_AV1_MODE_MASK 0x00008000L +#define UVD_SUVD_CGC_CTRL__SDB_AV1_MODE_MASK 0x00010000L #define UVD_SUVD_CGC_CTRL__MPC1_MODE_MASK 0x00020000L #define UVD_SUVD_CGC_CTRL__FBC_PCLK_MASK 0x10000000L #define UVD_SUVD_CGC_CTRL__FBC_CCLK_MASK 0x20000000L @@ -3658,6 +3672,8 @@ #define UVD_SUVD_CGC_STATUS2__SMPA_VCLK__SHIFT 0x0 #define UVD_SUVD_CGC_STATUS2__SMPA_DCLK__SHIFT 0x1 #define UVD_SUVD_CGC_STATUS2__MPBE1_DCLK__SHIFT 0x3 +#define UVD_SUVD_CGC_STATUS2__SIT_AV1_DCLK__SHIFT 0x4 +#define UVD_SUVD_CGC_STATUS2__SDB_AV1_DCLK__SHIFT 0x5 #define UVD_SUVD_CGC_STATUS2__MPC1_DCLK__SHIFT 0x6 #define UVD_SUVD_CGC_STATUS2__MPC1_SCLK__SHIFT 0x7 #define UVD_SUVD_CGC_STATUS2__MPC1_VCLK__SHIFT 0x8 @@ -3666,6 +3682,8 @@ #define UVD_SUVD_CGC_STATUS2__SMPA_VCLK_MASK 0x00000001L #define UVD_SUVD_CGC_STATUS2__SMPA_DCLK_MASK 0x00000002L #define UVD_SUVD_CGC_STATUS2__MPBE1_DCLK_MASK 0x00000008L +#define UVD_SUVD_CGC_STATUS2__SIT_AV1_DCLK_MASK 0x00000010L +#define UVD_SUVD_CGC_STATUS2__SDB_AV1_DCLK_MASK 0x00000020L #define UVD_SUVD_CGC_STATUS2__MPC1_DCLK_MASK 0x00000040L #define UVD_SUVD_CGC_STATUS2__MPC1_SCLK_MASK 0x00000080L #define UVD_SUVD_CGC_STATUS2__MPC1_VCLK_MASK 0x00000100L @@ -3674,25 +3692,41 @@ //UVD_SUVD_CGC_GATE2 #define UVD_SUVD_CGC_GATE2__MPBE0__SHIFT 0x0 #define UVD_SUVD_CGC_GATE2__MPBE1__SHIFT 0x1 +#define UVD_SUVD_CGC_GATE2__SIT_AV1__SHIFT 0x2 +#define UVD_SUVD_CGC_GATE2__SDB_AV1__SHIFT 0x3 #define UVD_SUVD_CGC_GATE2__MPC1__SHIFT 0x4 #define UVD_SUVD_CGC_GATE2__MPBE0_MASK 0x00000001L #define UVD_SUVD_CGC_GATE2__MPBE1_MASK 0x00000002L +#define UVD_SUVD_CGC_GATE2__SIT_AV1_MASK 0x00000004L +#define UVD_SUVD_CGC_GATE2__SDB_AV1_MASK 0x00000008L #define UVD_SUVD_CGC_GATE2__MPC1_MASK 0x00000010L //UVD_SUVD_INT_STATUS2 #define UVD_SUVD_INT_STATUS2__SMPA_FUNC_INT__SHIFT 0x0 #define UVD_SUVD_INT_STATUS2__SMPA_ERR_INT__SHIFT 0x5 +#define UVD_SUVD_INT_STATUS2__SDB_AV1_FUNC_INT__SHIFT 0x6 +#define UVD_SUVD_INT_STATUS2__SDB_AV1_ERR_INT__SHIFT 0xb #define UVD_SUVD_INT_STATUS2__SMPA_FUNC_INT_MASK 0x0000001FL #define UVD_SUVD_INT_STATUS2__SMPA_ERR_INT_MASK 0x00000020L +#define UVD_SUVD_INT_STATUS2__SDB_AV1_FUNC_INT_MASK 0x000007C0L +#define UVD_SUVD_INT_STATUS2__SDB_AV1_ERR_INT_MASK 0x00000800L //UVD_SUVD_INT_EN2 #define UVD_SUVD_INT_EN2__SMPA_FUNC_INT_EN__SHIFT 0x0 #define UVD_SUVD_INT_EN2__SMPA_ERR_INT_EN__SHIFT 0x5 +#define UVD_SUVD_INT_EN2__SDB_AV1_FUNC_INT_EN__SHIFT 0x6 +#define UVD_SUVD_INT_EN2__SDB_AV1_ERR_INT_EN__SHIFT 0xb #define UVD_SUVD_INT_EN2__SMPA_FUNC_INT_EN_MASK 0x0000001FL #define UVD_SUVD_INT_EN2__SMPA_ERR_INT_EN_MASK 0x00000020L +#define UVD_SUVD_INT_EN2__SDB_AV1_FUNC_INT_EN_MASK 0x000007C0L +#define UVD_SUVD_INT_EN2__SDB_AV1_ERR_INT_EN_MASK 0x00000800L //UVD_SUVD_INT_ACK2 #define UVD_SUVD_INT_ACK2__SMPA_FUNC_INT_ACK__SHIFT 0x0 #define UVD_SUVD_INT_ACK2__SMPA_ERR_INT_ACK__SHIFT 0x5 +#define UVD_SUVD_INT_ACK2__SDB_AV1_FUNC_INT_ACK__SHIFT 0x6 +#define UVD_SUVD_INT_ACK2__SDB_AV1_ERR_INT_ACK__SHIFT 0xb #define UVD_SUVD_INT_ACK2__SMPA_FUNC_INT_ACK_MASK 0x0000001FL #define UVD_SUVD_INT_ACK2__SMPA_ERR_INT_ACK_MASK 0x00000020L +#define UVD_SUVD_INT_ACK2__SDB_AV1_FUNC_INT_ACK_MASK 0x000007C0L +#define UVD_SUVD_INT_ACK2__SDB_AV1_ERR_INT_ACK_MASK 0x00000800L // addressBlock: uvd0_ecpudec diff --git a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c index 0826625573dcea..8dc5abb6931e9b 100644 --- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c +++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c @@ -479,17 +479,6 @@ static int smu_late_init(void *handle) return ret; } - /* - * Set initialized values (get from vbios) to dpm tables context such as - * gfxclk, memclk, dcefclk, and etc. And enable the DPM feature for each - * type of clks. - */ - ret = smu_set_default_dpm_table(smu); - if (ret) { - dev_err(adev->dev, "Failed to setup default dpm clock tables!\n"); - return ret; - } - ret = smu_populate_umd_state_clk(smu); if (ret) { dev_err(adev->dev, "Failed to populate UMD state clocks!\n"); @@ -984,6 +973,17 @@ static int smu_smc_hw_setup(struct smu_context *smu) return ret; } + /* + * Set initialized values (get from vbios) to dpm tables context such as + * gfxclk, memclk, dcefclk, and etc. And enable the DPM feature for each + * type of clks. + */ + ret = smu_set_default_dpm_table(smu); + if (ret) { + dev_err(adev->dev, "Failed to setup default dpm clock tables!\n"); + return ret; + } + ret = smu_notify_display_change(smu); if (ret) return ret; @@ -1126,7 +1126,7 @@ static int smu_disable_dpms(struct smu_context *smu) */ if (smu->uploading_custom_pp_table && (adev->asic_type >= CHIP_NAVI10) && - (adev->asic_type <= CHIP_NAVI12)) + (adev->asic_type <= CHIP_NAVY_FLOUNDER)) return 0; /* @@ -1211,7 +1211,9 @@ static int smu_hw_fini(void *handle) int smu_reset(struct smu_context *smu) { struct amdgpu_device *adev = smu->adev; - int ret = 0; + int ret; + + amdgpu_gfx_off_ctrl(smu->adev, false); ret = smu_hw_fini(adev); if (ret) @@ -1222,8 +1224,12 @@ int smu_reset(struct smu_context *smu) return ret; ret = smu_late_init(adev); + if (ret) + return ret; - return ret; + amdgpu_gfx_off_ctrl(smu->adev, true); + + return 0; } static int smu_suspend(void *handle) diff --git a/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c b/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c index fb962b9ceffb84..9582b38162f090 100644 --- a/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c +++ b/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c @@ -1840,10 +1840,14 @@ static bool arcturus_is_dpm_running(struct smu_context *smu) { int ret = 0; uint32_t feature_mask[2]; - unsigned long feature_enabled; + uint64_t feature_enabled; + ret = smu_cmn_get_enabled_mask(smu, feature_mask, 2); - feature_enabled = (unsigned long)((uint64_t)feature_mask[0] | - ((uint64_t)feature_mask[1] << 32)); + if (ret) + return false; + + feature_enabled = (uint64_t)feature_mask[1] << 32 | feature_mask[0]; + return !!(feature_enabled & SMC_DPM_FEATURE); } diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c index c9cfe90a29471c..43f7adff6cb74c 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c @@ -204,8 +204,7 @@ static int smu10_set_min_deep_sleep_dcefclk(struct pp_hwmgr *hwmgr, uint32_t clo { struct smu10_hwmgr *smu10_data = (struct smu10_hwmgr *)(hwmgr->backend); - if (smu10_data->need_min_deep_sleep_dcefclk && - smu10_data->deep_sleep_dcefclk != clock) { + if (clock && smu10_data->deep_sleep_dcefclk != clock) { smu10_data->deep_sleep_dcefclk = clock; smum_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_SetMinDeepSleepDcefclk, @@ -219,8 +218,7 @@ static int smu10_set_hard_min_dcefclk_by_freq(struct pp_hwmgr *hwmgr, uint32_t c { struct smu10_hwmgr *smu10_data = (struct smu10_hwmgr *)(hwmgr->backend); - if (smu10_data->dcf_actual_hard_min_freq && - smu10_data->dcf_actual_hard_min_freq != clock) { + if (clock && smu10_data->dcf_actual_hard_min_freq != clock) { smu10_data->dcf_actual_hard_min_freq = clock; smum_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_SetHardMinDcefclkByFreq, @@ -234,8 +232,7 @@ static int smu10_set_hard_min_fclk_by_freq(struct pp_hwmgr *hwmgr, uint32_t cloc { struct smu10_hwmgr *smu10_data = (struct smu10_hwmgr *)(hwmgr->backend); - if (smu10_data->f_actual_hard_min_freq && - smu10_data->f_actual_hard_min_freq != clock) { + if (clock && smu10_data->f_actual_hard_min_freq != clock) { smu10_data->f_actual_hard_min_freq = clock; smum_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_SetHardMinFclkByFreq, @@ -566,6 +563,8 @@ static int smu10_dpm_force_dpm_level(struct pp_hwmgr *hwmgr, struct smu10_hwmgr *data = hwmgr->backend; uint32_t min_sclk = hwmgr->display_config->min_core_set_clock; uint32_t min_mclk = hwmgr->display_config->min_mem_set_clock/100; + uint32_t index_fclk = data->clock_vol_info.vdd_dep_on_fclk->count - 1; + uint32_t index_socclk = data->clock_vol_info.vdd_dep_on_socclk->count - 1; if (hwmgr->smu_version < 0x1E3700) { pr_info("smu firmware version too old, can not set dpm level\n"); @@ -679,13 +678,13 @@ static int smu10_dpm_force_dpm_level(struct pp_hwmgr *hwmgr, smum_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_SetHardMinFclkByFreq, hwmgr->display_config->num_display > 3 ? - SMU10_UMD_PSTATE_PEAK_FCLK : + data->clock_vol_info.vdd_dep_on_fclk->entries[0].clk : min_mclk, NULL); smum_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_SetHardMinSocclkByFreq, - SMU10_UMD_PSTATE_MIN_SOCCLK, + data->clock_vol_info.vdd_dep_on_socclk->entries[0].clk, NULL); smum_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_SetHardMinVcn, @@ -698,11 +697,11 @@ static int smu10_dpm_force_dpm_level(struct pp_hwmgr *hwmgr, NULL); smum_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_SetSoftMaxFclkByFreq, - SMU10_UMD_PSTATE_PEAK_FCLK, + data->clock_vol_info.vdd_dep_on_fclk->entries[index_fclk].clk, NULL); smum_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_SetSoftMaxSocclkByFreq, - SMU10_UMD_PSTATE_PEAK_SOCCLK, + data->clock_vol_info.vdd_dep_on_socclk->entries[index_socclk].clk, NULL); smum_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_SetSoftMaxVcn, diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c index ffe05b7cc1f0ae..4a3b64aa21ceb1 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c @@ -3581,7 +3581,8 @@ static int smu7_read_sensor(struct pp_hwmgr *hwmgr, int idx, case AMDGPU_PP_SENSOR_GPU_POWER: return smu7_get_gpu_power(hwmgr, (uint32_t *)value); case AMDGPU_PP_SENSOR_VDDGFX: - if ((data->vr_config & 0xff) == 0x2) + if ((data->vr_config & VRCONF_VDDGFX_MASK) == + (VR_SVI2_PLANE_2 << VRCONF_VDDGFX_SHIFT)) val_vid = PHM_READ_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, PWR_SVI2_STATUS, PLANE2_VID); else diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_thermal.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_thermal.c index 468bdd6f669733..952cd3d7240e38 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_thermal.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_thermal.c @@ -363,17 +363,29 @@ int vega10_thermal_get_temperature(struct pp_hwmgr *hwmgr) static int vega10_thermal_set_temperature_range(struct pp_hwmgr *hwmgr, struct PP_TemperatureRange *range) { + struct phm_ppt_v2_information *pp_table_info = + (struct phm_ppt_v2_information *)(hwmgr->pptable); + struct phm_tdp_table *tdp_table = pp_table_info->tdp_table; struct amdgpu_device *adev = hwmgr->adev; - int low = VEGA10_THERMAL_MINIMUM_ALERT_TEMP * - PP_TEMPERATURE_UNITS_PER_CENTIGRADES; - int high = VEGA10_THERMAL_MAXIMUM_ALERT_TEMP * - PP_TEMPERATURE_UNITS_PER_CENTIGRADES; + int low = VEGA10_THERMAL_MINIMUM_ALERT_TEMP; + int high = VEGA10_THERMAL_MAXIMUM_ALERT_TEMP; uint32_t val; - if (low < range->min) - low = range->min; - if (high > range->max) - high = range->max; + /* compare them in unit celsius degree */ + if (low < range->min / PP_TEMPERATURE_UNITS_PER_CENTIGRADES) + low = range->min / PP_TEMPERATURE_UNITS_PER_CENTIGRADES; + + /* + * As a common sense, usSoftwareShutdownTemp should be bigger + * than ThotspotLimit. For any invalid usSoftwareShutdownTemp, + * we will just use the max possible setting VEGA10_THERMAL_MAXIMUM_ALERT_TEMP + * to avoid false alarms. + */ + if ((tdp_table->usSoftwareShutdownTemp > + range->hotspot_crit_max / PP_TEMPERATURE_UNITS_PER_CENTIGRADES)) { + if (high > tdp_table->usSoftwareShutdownTemp) + high = tdp_table->usSoftwareShutdownTemp; + } if (low > high) return -EINVAL; @@ -382,8 +394,8 @@ static int vega10_thermal_set_temperature_range(struct pp_hwmgr *hwmgr, val = REG_SET_FIELD(val, THM_THERMAL_INT_CTRL, MAX_IH_CREDIT, 5); val = REG_SET_FIELD(val, THM_THERMAL_INT_CTRL, THERM_IH_HW_ENA, 1); - val = REG_SET_FIELD(val, THM_THERMAL_INT_CTRL, DIG_THERM_INTH, (high / PP_TEMPERATURE_UNITS_PER_CENTIGRADES)); - val = REG_SET_FIELD(val, THM_THERMAL_INT_CTRL, DIG_THERM_INTL, (low / PP_TEMPERATURE_UNITS_PER_CENTIGRADES)); + val = REG_SET_FIELD(val, THM_THERMAL_INT_CTRL, DIG_THERM_INTH, high); + val = REG_SET_FIELD(val, THM_THERMAL_INT_CTRL, DIG_THERM_INTL, low); val &= (~THM_THERMAL_INT_CTRL__THERM_TRIGGER_MASK_MASK) & (~THM_THERMAL_INT_CTRL__THERM_INTH_MASK_MASK) & (~THM_THERMAL_INT_CTRL__THERM_INTL_MASK_MASK); diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_thermal.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_thermal.c index c15b9756025d9c..7ace439dcde7ac 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_thermal.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_thermal.c @@ -170,17 +170,18 @@ int vega12_thermal_get_temperature(struct pp_hwmgr *hwmgr) static int vega12_thermal_set_temperature_range(struct pp_hwmgr *hwmgr, struct PP_TemperatureRange *range) { + struct phm_ppt_v3_information *pptable_information = + (struct phm_ppt_v3_information *)hwmgr->pptable; struct amdgpu_device *adev = hwmgr->adev; - int low = VEGA12_THERMAL_MINIMUM_ALERT_TEMP * - PP_TEMPERATURE_UNITS_PER_CENTIGRADES; - int high = VEGA12_THERMAL_MAXIMUM_ALERT_TEMP * - PP_TEMPERATURE_UNITS_PER_CENTIGRADES; + int low = VEGA12_THERMAL_MINIMUM_ALERT_TEMP; + int high = VEGA12_THERMAL_MAXIMUM_ALERT_TEMP; uint32_t val; - if (low < range->min) - low = range->min; - if (high > range->max) - high = range->max; + /* compare them in unit celsius degree */ + if (low < range->min / PP_TEMPERATURE_UNITS_PER_CENTIGRADES) + low = range->min / PP_TEMPERATURE_UNITS_PER_CENTIGRADES; + if (high > pptable_information->us_software_shutdown_temp) + high = pptable_information->us_software_shutdown_temp; if (low > high) return -EINVAL; @@ -189,8 +190,8 @@ static int vega12_thermal_set_temperature_range(struct pp_hwmgr *hwmgr, val = REG_SET_FIELD(val, THM_THERMAL_INT_CTRL, MAX_IH_CREDIT, 5); val = REG_SET_FIELD(val, THM_THERMAL_INT_CTRL, THERM_IH_HW_ENA, 1); - val = REG_SET_FIELD(val, THM_THERMAL_INT_CTRL, DIG_THERM_INTH, (high / PP_TEMPERATURE_UNITS_PER_CENTIGRADES)); - val = REG_SET_FIELD(val, THM_THERMAL_INT_CTRL, DIG_THERM_INTL, (low / PP_TEMPERATURE_UNITS_PER_CENTIGRADES)); + val = REG_SET_FIELD(val, THM_THERMAL_INT_CTRL, DIG_THERM_INTH, high); + val = REG_SET_FIELD(val, THM_THERMAL_INT_CTRL, DIG_THERM_INTL, low); val = val & (~THM_THERMAL_INT_CTRL__THERM_TRIGGER_MASK_MASK); WREG32_SOC15(THM, 0, mmTHM_THERMAL_INT_CTRL, val); diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_thermal.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_thermal.c index 7add2f60f49c40..364162ddaa9c67 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_thermal.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_thermal.c @@ -240,17 +240,18 @@ int vega20_thermal_get_temperature(struct pp_hwmgr *hwmgr) static int vega20_thermal_set_temperature_range(struct pp_hwmgr *hwmgr, struct PP_TemperatureRange *range) { + struct phm_ppt_v3_information *pptable_information = + (struct phm_ppt_v3_information *)hwmgr->pptable; struct amdgpu_device *adev = hwmgr->adev; - int low = VEGA20_THERMAL_MINIMUM_ALERT_TEMP * - PP_TEMPERATURE_UNITS_PER_CENTIGRADES; - int high = VEGA20_THERMAL_MAXIMUM_ALERT_TEMP * - PP_TEMPERATURE_UNITS_PER_CENTIGRADES; + int low = VEGA20_THERMAL_MINIMUM_ALERT_TEMP; + int high = VEGA20_THERMAL_MAXIMUM_ALERT_TEMP; uint32_t val; - if (low < range->min) - low = range->min; - if (high > range->max) - high = range->max; + /* compare them in unit celsius degree */ + if (low < range->min / PP_TEMPERATURE_UNITS_PER_CENTIGRADES) + low = range->min / PP_TEMPERATURE_UNITS_PER_CENTIGRADES; + if (high > pptable_information->us_software_shutdown_temp) + high = pptable_information->us_software_shutdown_temp; if (low > high) return -EINVAL; @@ -259,8 +260,8 @@ static int vega20_thermal_set_temperature_range(struct pp_hwmgr *hwmgr, val = CGS_REG_SET_FIELD(val, THM_THERMAL_INT_CTRL, MAX_IH_CREDIT, 5); val = CGS_REG_SET_FIELD(val, THM_THERMAL_INT_CTRL, THERM_IH_HW_ENA, 1); - val = CGS_REG_SET_FIELD(val, THM_THERMAL_INT_CTRL, DIG_THERM_INTH, (high / PP_TEMPERATURE_UNITS_PER_CENTIGRADES)); - val = CGS_REG_SET_FIELD(val, THM_THERMAL_INT_CTRL, DIG_THERM_INTL, (low / PP_TEMPERATURE_UNITS_PER_CENTIGRADES)); + val = CGS_REG_SET_FIELD(val, THM_THERMAL_INT_CTRL, DIG_THERM_INTH, high); + val = CGS_REG_SET_FIELD(val, THM_THERMAL_INT_CTRL, DIG_THERM_INTL, low); val = val & (~THM_THERMAL_INT_CTRL__THERM_TRIGGER_MASK_MASK); WREG32_SOC15(THM, 0, mmTHM_THERMAL_INT_CTRL, val); diff --git a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c index 9f62af9abd2328..3d5eae956a23d0 100644 --- a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c +++ b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c @@ -1331,10 +1331,14 @@ static bool navi10_is_dpm_running(struct smu_context *smu) { int ret = 0; uint32_t feature_mask[2]; - unsigned long feature_enabled; + uint64_t feature_enabled; + ret = smu_cmn_get_enabled_mask(smu, feature_mask, 2); - feature_enabled = (unsigned long)((uint64_t)feature_mask[0] | - ((uint64_t)feature_mask[1] << 32)); + if (ret) + return false; + + feature_enabled = (uint64_t)feature_mask[1] << 32 | feature_mask[0]; + return !!(feature_enabled & SMC_DPM_FEATURE); } diff --git a/drivers/gpu/drm/amd/powerplay/renoir_ppt.c b/drivers/gpu/drm/amd/powerplay/renoir_ppt.c index dbb676c482fde9..15263cf210d5cc 100644 --- a/drivers/gpu/drm/amd/powerplay/renoir_ppt.c +++ b/drivers/gpu/drm/amd/powerplay/renoir_ppt.c @@ -232,14 +232,16 @@ static int renoir_get_profiling_clk_mask(struct smu_context *smu, *sclk_mask = 0; } else if (level == AMD_DPM_FORCED_LEVEL_PROFILE_MIN_MCLK) { if (mclk_mask) - *mclk_mask = 0; + /* mclk levels are in reverse order */ + *mclk_mask = NUM_MEMCLK_DPM_LEVELS - 1; } else if (level == AMD_DPM_FORCED_LEVEL_PROFILE_PEAK) { if(sclk_mask) /* The sclk as gfxclk and has three level about max/min/current */ *sclk_mask = 3 - 1; if(mclk_mask) - *mclk_mask = NUM_MEMCLK_DPM_LEVELS - 1; + /* mclk levels are in reverse order */ + *mclk_mask = 0; if(soc_mask) *soc_mask = NUM_SOCCLK_DPM_LEVELS - 1; @@ -333,7 +335,7 @@ static int renoir_get_dpm_ultimate_freq(struct smu_context *smu, case SMU_UCLK: case SMU_FCLK: case SMU_MCLK: - ret = renoir_get_dpm_clk_limited(smu, clk_type, 0, min); + ret = renoir_get_dpm_clk_limited(smu, clk_type, NUM_MEMCLK_DPM_LEVELS - 1, min); if (ret) goto failed; break; diff --git a/drivers/gpu/drm/amd/powerplay/sienna_cichlid_ppt.c b/drivers/gpu/drm/amd/powerplay/sienna_cichlid_ppt.c index 3865dbed5f935b..61f4ddae262ddf 100644 --- a/drivers/gpu/drm/amd/powerplay/sienna_cichlid_ppt.c +++ b/drivers/gpu/drm/amd/powerplay/sienna_cichlid_ppt.c @@ -68,7 +68,8 @@ FEATURE_MASK(FEATURE_DPM_LINK_BIT) | \ FEATURE_MASK(FEATURE_DPM_SOCCLK_BIT) | \ FEATURE_MASK(FEATURE_DPM_FCLK_BIT) | \ - FEATURE_MASK(FEATURE_DPM_DCEFCLK_BIT)) + FEATURE_MASK(FEATURE_DPM_DCEFCLK_BIT) | \ + FEATURE_MASK(FEATURE_DPM_MP0CLK_BIT)) #define SMU_11_0_7_GFX_BUSY_THRESHOLD 15 @@ -95,6 +96,7 @@ static struct cmn2asic_msg_mapping sienna_cichlid_message_map[SMU_MSG_MAX_COUNT] MSG_MAP(TransferTableSmu2Dram, PPSMC_MSG_TransferTableSmu2Dram, 0), MSG_MAP(TransferTableDram2Smu, PPSMC_MSG_TransferTableDram2Smu, 0), MSG_MAP(UseDefaultPPTable, PPSMC_MSG_UseDefaultPPTable, 0), + MSG_MAP(RunDcBtc, PPSMC_MSG_RunDcBtc, 0), MSG_MAP(EnterBaco, PPSMC_MSG_EnterBaco, 0), MSG_MAP(SetSoftMinByFreq, PPSMC_MSG_SetSoftMinByFreq, 0), MSG_MAP(SetSoftMaxByFreq, PPSMC_MSG_SetSoftMaxByFreq, 0), @@ -228,6 +230,7 @@ sienna_cichlid_get_allowed_feature_mask(struct smu_context *smu, *(uint64_t *)feature_mask |= FEATURE_MASK(FEATURE_DPM_PREFETCHER_BIT) | FEATURE_MASK(FEATURE_DPM_FCLK_BIT) + | FEATURE_MASK(FEATURE_DPM_MP0CLK_BIT) | FEATURE_MASK(FEATURE_DS_SOCCLK_BIT) | FEATURE_MASK(FEATURE_DS_DCEFCLK_BIT) | FEATURE_MASK(FEATURE_DS_FCLK_BIT) @@ -775,7 +778,7 @@ static int sienna_cichlid_dpm_set_vcn_enable(struct smu_context *smu, bool enabl ret = smu_cmn_send_smc_msg_with_param(smu, SMU_MSG_PowerUpVcn, 0, NULL); if (ret) return ret; - if (adev->asic_type == CHIP_SIENNA_CICHLID) { + if (adev->vcn.num_vcn_inst > 1) { ret = smu_cmn_send_smc_msg_with_param(smu, SMU_MSG_PowerUpVcn, 0x10000, NULL); if (ret) @@ -787,7 +790,7 @@ static int sienna_cichlid_dpm_set_vcn_enable(struct smu_context *smu, bool enabl ret = smu_cmn_send_smc_msg_with_param(smu, SMU_MSG_PowerDownVcn, 0, NULL); if (ret) return ret; - if (adev->asic_type == CHIP_SIENNA_CICHLID) { + if (adev->vcn.num_vcn_inst > 1) { ret = smu_cmn_send_smc_msg_with_param(smu, SMU_MSG_PowerDownVcn, 0x10000, NULL); if (ret) @@ -1146,10 +1149,14 @@ static bool sienna_cichlid_is_dpm_running(struct smu_context *smu) { int ret = 0; uint32_t feature_mask[2]; - unsigned long feature_enabled; + uint64_t feature_enabled; + ret = smu_cmn_get_enabled_mask(smu, feature_mask, 2); - feature_enabled = (unsigned long)((uint64_t)feature_mask[0] | - ((uint64_t)feature_mask[1] << 32)); + if (ret) + return false; + + feature_enabled = (uint64_t)feature_mask[1] << 32 | feature_mask[0]; + return !!(feature_enabled & SMC_DPM_FEATURE); } @@ -1732,6 +1739,11 @@ static int sienna_cichlid_get_dpm_ultimate_freq(struct smu_context *smu, return ret; } +static int sienna_cichlid_run_btc(struct smu_context *smu) +{ + return smu_cmn_send_smc_msg(smu, SMU_MSG_RunDcBtc, NULL); +} + static bool sienna_cichlid_is_baco_supported(struct smu_context *smu) { struct amdgpu_device *adev = smu->adev; @@ -2719,6 +2731,7 @@ static const struct pptable_funcs sienna_cichlid_ppt_funcs = { .mode1_reset = smu_v11_0_mode1_reset, .get_dpm_ultimate_freq = sienna_cichlid_get_dpm_ultimate_freq, .set_soft_freq_limited_range = smu_v11_0_set_soft_freq_limited_range, + .run_btc = sienna_cichlid_run_btc, .get_pp_feature_mask = smu_cmn_get_pp_feature_mask, .set_pp_feature_mask = smu_cmn_set_pp_feature_mask, }; diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/ci_smumgr.c b/drivers/gpu/drm/amd/powerplay/smumgr/ci_smumgr.c index c18169aa59ce5b..e4d1f3d66ef488 100644 --- a/drivers/gpu/drm/amd/powerplay/smumgr/ci_smumgr.c +++ b/drivers/gpu/drm/amd/powerplay/smumgr/ci_smumgr.c @@ -37,6 +37,7 @@ #include "cgs_common.h" #include "atombios.h" #include "pppcielanes.h" +#include "smu7_smumgr.h" #include "smu/smu_7_0_1_d.h" #include "smu/smu_7_0_1_sh_mask.h" @@ -2948,6 +2949,7 @@ const struct pp_smumgr_func ci_smu_funcs = { .request_smu_load_specific_fw = NULL, .send_msg_to_smc = ci_send_msg_to_smc, .send_msg_to_smc_with_parameter = ci_send_msg_to_smc_with_parameter, + .get_argument = smu7_get_argument, .download_pptable_settings = NULL, .upload_pptable_settings = NULL, .get_offsetof = ci_get_offsetof, diff --git a/drivers/gpu/drm/arm/malidp_hw.c b/drivers/gpu/drm/arm/malidp_hw.c index ca570b1354787a..e9de542f9b7c5e 100644 --- a/drivers/gpu/drm/arm/malidp_hw.c +++ b/drivers/gpu/drm/arm/malidp_hw.c @@ -532,7 +532,7 @@ static int malidp500_enable_memwrite(struct malidp_hw_device *hwdev, malidp_hw_write(hwdev, lower_32_bits(addrs[1]), base + MALIDP_MW_P2_PTR_LOW); malidp_hw_write(hwdev, upper_32_bits(addrs[1]), base + MALIDP_MW_P2_PTR_HIGH); malidp_hw_write(hwdev, pitches[1], base + MALIDP_MW_P2_STRIDE); - /* fall through */ + fallthrough; case 1: malidp_hw_write(hwdev, lower_32_bits(addrs[0]), base + MALIDP_MW_P1_PTR_LOW); malidp_hw_write(hwdev, upper_32_bits(addrs[0]), base + MALIDP_MW_P1_PTR_HIGH); @@ -869,7 +869,7 @@ static int malidp550_enable_memwrite(struct malidp_hw_device *hwdev, malidp_hw_write(hwdev, lower_32_bits(addrs[1]), base + MALIDP_MW_P2_PTR_LOW); malidp_hw_write(hwdev, upper_32_bits(addrs[1]), base + MALIDP_MW_P2_PTR_HIGH); malidp_hw_write(hwdev, pitches[1], base + MALIDP_MW_P2_STRIDE); - /* fall through */ + fallthrough; case 1: malidp_hw_write(hwdev, lower_32_bits(addrs[0]), base + MALIDP_MW_P1_PTR_LOW); malidp_hw_write(hwdev, upper_32_bits(addrs[0]), base + MALIDP_MW_P1_PTR_HIGH); @@ -1324,7 +1324,7 @@ static irqreturn_t malidp_se_irq(int irq, void *arg) break; case MW_RESTART: drm_writeback_signal_completion(&malidp->mw_connector, 0); - /* fall through - to a new start */ + fallthrough; /* to a new start */ case MW_START: /* writeback started, need to emulate one-shot mode */ hw->disable_memwrite(hwdev); diff --git a/drivers/gpu/drm/ast/ast_main.c b/drivers/gpu/drm/ast/ast_main.c index dd12b55d57a241..6a9fba051d136c 100644 --- a/drivers/gpu/drm/ast/ast_main.c +++ b/drivers/gpu/drm/ast/ast_main.c @@ -238,7 +238,7 @@ static int ast_detect_chip(struct drm_device *dev, bool *need_post) ast->dp501_fw_addr = NULL; } } - /* fallthrough */ + fallthrough; case 0x0c: ast->tx_chip_type = AST_TX_DP501; } diff --git a/drivers/gpu/drm/bridge/nwl-dsi.c b/drivers/gpu/drm/bridge/nwl-dsi.c index ce94f797d090f3..66b67402f1acd5 100644 --- a/drivers/gpu/drm/bridge/nwl-dsi.c +++ b/drivers/gpu/drm/bridge/nwl-dsi.c @@ -409,7 +409,6 @@ static bool nwl_dsi_read_packet(struct nwl_dsi *dsi, u32 status) switch (data_type) { case MIPI_DSI_RX_GENERIC_SHORT_READ_RESPONSE_2BYTE: - fallthrough; case MIPI_DSI_RX_DCS_SHORT_READ_RESPONSE_2BYTE: if (xfer->msg->rx_len > 1) { /* read second byte */ @@ -418,7 +417,6 @@ static bool nwl_dsi_read_packet(struct nwl_dsi *dsi, u32 status) } fallthrough; case MIPI_DSI_RX_GENERIC_SHORT_READ_RESPONSE_1BYTE: - fallthrough; case MIPI_DSI_RX_DCS_SHORT_READ_RESPONSE_1BYTE: if (xfer->msg->rx_len > 0) { /* read first byte */ diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi-i2s-audio.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi-i2s-audio.c index d7e65c86941534..9fef6413741dcb 100644 --- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi-i2s-audio.c +++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi-i2s-audio.c @@ -61,10 +61,10 @@ static int dw_hdmi_i2s_hw_params(struct device *dev, void *data, switch (hparms->channels) { case 7 ... 8: conf0 |= HDMI_AUD_CONF0_I2S_EN3; - /* Fall-thru */ + fallthrough; case 5 ... 6: conf0 |= HDMI_AUD_CONF0_I2S_EN2; - /* Fall-thru */ + fallthrough; case 3 ... 4: conf0 |= HDMI_AUD_CONF0_I2S_EN1; /* Fall-thru */ diff --git a/drivers/gpu/drm/bridge/ti-sn65dsi86.c b/drivers/gpu/drm/bridge/ti-sn65dsi86.c index 86b9f0f87a14bb..5b6e19ecbc84e1 100644 --- a/drivers/gpu/drm/bridge/ti-sn65dsi86.c +++ b/drivers/gpu/drm/bridge/ti-sn65dsi86.c @@ -604,13 +604,13 @@ static void ti_sn_bridge_read_valid_rates(struct ti_sn_bridge *pdata, DRM_DEV_ERROR(pdata->dev, "Unexpected max rate (%#x); assuming 5.4 GHz\n", (int)dpcd_val); - /* fall through */ + fallthrough; case DP_LINK_BW_5_4: rate_valid[7] = 1; - /* fall through */ + fallthrough; case DP_LINK_BW_2_7: rate_valid[4] = 1; - /* fall through */ + fallthrough; case DP_LINK_BW_1_62: rate_valid[1] = 1; break; diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c index f68c69a45752a2..9e1ad493e68919 100644 --- a/drivers/gpu/drm/drm_atomic_helper.c +++ b/drivers/gpu/drm/drm_atomic_helper.c @@ -34,6 +34,7 @@ #include <drm/drm_bridge.h> #include <drm/drm_damage_helper.h> #include <drm/drm_device.h> +#include <drm/drm_drv.h> #include <drm/drm_plane_helper.h> #include <drm/drm_print.h> #include <drm/drm_self_refresh_helper.h> @@ -3106,7 +3107,7 @@ void drm_atomic_helper_shutdown(struct drm_device *dev) if (ret) DRM_ERROR("Disabling all crtc's during unload failed with %i\n", ret); - DRM_MODESET_LOCK_ALL_END(ctx, ret); + DRM_MODESET_LOCK_ALL_END(dev, ctx, ret); } EXPORT_SYMBOL(drm_atomic_helper_shutdown); @@ -3246,7 +3247,7 @@ struct drm_atomic_state *drm_atomic_helper_suspend(struct drm_device *dev) } unlock: - DRM_MODESET_LOCK_ALL_END(ctx, err); + DRM_MODESET_LOCK_ALL_END(dev, ctx, err); if (err) return ERR_PTR(err); @@ -3327,7 +3328,7 @@ int drm_atomic_helper_resume(struct drm_device *dev, err = drm_atomic_helper_commit_duplicated_state(state, &ctx); - DRM_MODESET_LOCK_ALL_END(ctx, err); + DRM_MODESET_LOCK_ALL_END(dev, ctx, err); drm_atomic_state_put(state); return err; diff --git a/drivers/gpu/drm/drm_bufs.c b/drivers/gpu/drm/drm_bufs.c index a0735fbc144b2a..7a01d0918861cc 100644 --- a/drivers/gpu/drm/drm_bufs.c +++ b/drivers/gpu/drm/drm_bufs.c @@ -537,7 +537,7 @@ int drm_legacy_rmmap_locked(struct drm_device *dev, struct drm_local_map *map) switch (map->type) { case _DRM_REGISTERS: iounmap(map->handle); - /* FALLTHROUGH */ + fallthrough; case _DRM_FRAME_BUFFER: arch_phys_wc_del(map->mtrr); break; diff --git a/drivers/gpu/drm/drm_color_mgmt.c b/drivers/gpu/drm/drm_color_mgmt.c index c93123ff7c2186..138ff34b31db53 100644 --- a/drivers/gpu/drm/drm_color_mgmt.c +++ b/drivers/gpu/drm/drm_color_mgmt.c @@ -294,7 +294,7 @@ int drm_mode_gamma_set_ioctl(struct drm_device *dev, crtc->gamma_size, &ctx); out: - DRM_MODESET_LOCK_ALL_END(ctx, ret); + DRM_MODESET_LOCK_ALL_END(dev, ctx, ret); return ret; } diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c index 283bcc4362ca58..aecdd7ea26dc84 100644 --- a/drivers/gpu/drm/drm_crtc.c +++ b/drivers/gpu/drm/drm_crtc.c @@ -588,7 +588,6 @@ int drm_mode_setcrtc(struct drm_device *dev, void *data, if (crtc_req->mode_valid && !drm_lease_held(file_priv, plane->base.id)) return -EACCES; - mutex_lock(&crtc->dev->mode_config.mutex); DRM_MODESET_LOCK_ALL_BEGIN(dev, ctx, DRM_MODESET_ACQUIRE_INTERRUPTIBLE, ret); @@ -756,8 +755,7 @@ out: fb = NULL; mode = NULL; - DRM_MODESET_LOCK_ALL_END(ctx, ret); - mutex_unlock(&crtc->dev->mode_config.mutex); + DRM_MODESET_LOCK_ALL_END(dev, ctx, ret); return ret; } diff --git a/drivers/gpu/drm/drm_dp_helper.c b/drivers/gpu/drm/drm_dp_helper.c index a3c82e726057a6..092c8c9859114e 100644 --- a/drivers/gpu/drm/drm_dp_helper.c +++ b/drivers/gpu/drm/drm_dp_helper.c @@ -492,7 +492,7 @@ int drm_dp_downstream_max_bpc(const u8 dpcd[DP_RECEIVER_CAP_SIZE], case DP_DS_16BPC: return 16; } - /* fall through */ + fallthrough; default: return 0; } diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c index b23cb2fec3f35f..67dd72ea200e07 100644 --- a/drivers/gpu/drm/drm_dp_mst_topology.c +++ b/drivers/gpu/drm/drm_dp_mst_topology.c @@ -5040,8 +5040,8 @@ int drm_dp_mst_add_affected_dsc_crtcs(struct drm_atomic_state *state, struct drm crtc = conn_state->crtc; - if (WARN_ON(!crtc)) - return -EINVAL; + if (!crtc) + continue; if (!drm_dp_mst_dsc_aux_for_port(pos->port)) continue; diff --git a/drivers/gpu/drm/drm_mode_object.c b/drivers/gpu/drm/drm_mode_object.c index 901b078abf40c5..db05f386a709e8 100644 --- a/drivers/gpu/drm/drm_mode_object.c +++ b/drivers/gpu/drm/drm_mode_object.c @@ -428,7 +428,7 @@ int drm_mode_obj_get_properties_ioctl(struct drm_device *dev, void *data, out_unref: drm_mode_object_put(obj); out: - DRM_MODESET_LOCK_ALL_END(ctx, ret); + DRM_MODESET_LOCK_ALL_END(dev, ctx, ret); return ret; } @@ -470,7 +470,7 @@ static int set_property_legacy(struct drm_mode_object *obj, break; } drm_property_change_valid_put(prop, ref); - DRM_MODESET_LOCK_ALL_END(ctx, ret); + DRM_MODESET_LOCK_ALL_END(dev, ctx, ret); return ret; } diff --git a/drivers/gpu/drm/drm_modes.c b/drivers/gpu/drm/drm_modes.c index 14b6f7638728c3..501b4fe55a3dbc 100644 --- a/drivers/gpu/drm/drm_modes.c +++ b/drivers/gpu/drm/drm_modes.c @@ -1930,7 +1930,7 @@ void drm_mode_convert_to_umode(struct drm_mode_modeinfo *out, default: WARN(1, "Invalid aspect ratio (0%x) on mode\n", in->picture_aspect_ratio); - /* fall through */ + fallthrough; case HDMI_PICTURE_ASPECT_NONE: out->flags |= DRM_MODE_FLAG_PIC_AR_NONE; break; diff --git a/drivers/gpu/drm/drm_plane.c b/drivers/gpu/drm/drm_plane.c index b7b90b3a2e389a..affe1cfed00980 100644 --- a/drivers/gpu/drm/drm_plane.c +++ b/drivers/gpu/drm/drm_plane.c @@ -792,7 +792,7 @@ static int setplane_internal(struct drm_plane *plane, crtc_x, crtc_y, crtc_w, crtc_h, src_x, src_y, src_w, src_h, &ctx); - DRM_MODESET_LOCK_ALL_END(ctx, ret); + DRM_MODESET_LOCK_ALL_END(plane->dev, ctx, ret); return ret; } diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c index d5a4cd85a0f6dc..c6404b8d067f10 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c @@ -337,9 +337,16 @@ static void etnaviv_hw_identify(struct etnaviv_gpu *gpu) gpu->identity.model = gpu_read(gpu, VIVS_HI_CHIP_MODEL); gpu->identity.revision = gpu_read(gpu, VIVS_HI_CHIP_REV); - gpu->identity.product_id = gpu_read(gpu, VIVS_HI_CHIP_PRODUCT_ID); gpu->identity.customer_id = gpu_read(gpu, VIVS_HI_CHIP_CUSTOMER_ID); - gpu->identity.eco_id = gpu_read(gpu, VIVS_HI_CHIP_ECO_ID); + + /* + * Reading these two registers on GC600 rev 0x19 result in a + * unhandled fault: external abort on non-linefetch + */ + if (!etnaviv_is_model_rev(gpu, GC600, 0x19)) { + gpu->identity.product_id = gpu_read(gpu, VIVS_HI_CHIP_PRODUCT_ID); + gpu->identity.eco_id = gpu_read(gpu, VIVS_HI_CHIP_ECO_ID); + } /* * !!!! HACK ALERT !!!! diff --git a/drivers/gpu/drm/etnaviv/etnaviv_sched.c b/drivers/gpu/drm/etnaviv/etnaviv_sched.c index 4e3e95dce6d876..cd46c882269cc9 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_sched.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_sched.c @@ -89,12 +89,15 @@ static void etnaviv_sched_timedout_job(struct drm_sched_job *sched_job) u32 dma_addr; int change; + /* block scheduler */ + drm_sched_stop(&gpu->sched, sched_job); + /* * If the GPU managed to complete this jobs fence, the timout is * spurious. Bail out. */ if (dma_fence_is_signaled(submit->out_fence)) - return; + goto out_no_timeout; /* * If the GPU is still making forward progress on the front-end (which @@ -105,12 +108,9 @@ static void etnaviv_sched_timedout_job(struct drm_sched_job *sched_job) change = dma_addr - gpu->hangcheck_dma_addr; if (change < 0 || change > 16) { gpu->hangcheck_dma_addr = dma_addr; - return; + goto out_no_timeout; } - /* block scheduler */ - drm_sched_stop(&gpu->sched, sched_job); - if(sched_job) drm_sched_increase_karma(sched_job); @@ -120,6 +120,7 @@ static void etnaviv_sched_timedout_job(struct drm_sched_job *sched_job) drm_sched_resubmit_jobs(&gpu->sched); +out_no_timeout: /* restart scheduler after GPU is usable again */ drm_sched_start(&gpu->sched, true); } diff --git a/drivers/gpu/drm/exynos/exynos_drm_dsi.c b/drivers/gpu/drm/exynos/exynos_drm_dsi.c index 7a6f6df5e9540a..b38e9b592b8a53 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_dsi.c +++ b/drivers/gpu/drm/exynos/exynos_drm_dsi.c @@ -987,10 +987,10 @@ static void exynos_dsi_send_to_fifo(struct exynos_dsi *dsi, switch (length) { case 3: reg |= payload[2] << 16; - /* Fall through */ + fallthrough; case 2: reg |= payload[1] << 8; - /* Fall through */ + fallthrough; case 1: reg |= payload[0]; exynos_dsi_write(dsi, DSIM_PAYLOAD_REG, reg); @@ -1038,7 +1038,7 @@ static void exynos_dsi_read_from_fifo(struct exynos_dsi *dsi, payload[1] = reg >> 16; ++xfer->rx_done; } - /* Fall through */ + fallthrough; case MIPI_DSI_RX_GENERIC_SHORT_READ_RESPONSE_1BYTE: case MIPI_DSI_RX_DCS_SHORT_READ_RESPONSE_1BYTE: payload[0] = reg >> 8; @@ -1082,10 +1082,10 @@ static void exynos_dsi_read_from_fifo(struct exynos_dsi *dsi, switch (length) { case 3: payload[2] = (reg >> 16) & 0xff; - /* Fall through */ + fallthrough; case 2: payload[1] = (reg >> 8) & 0xff; - /* Fall through */ + fallthrough; case 1: payload[0] = reg & 0xff; } diff --git a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c index 56a2b47e1af79f..5147f5929be720 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c @@ -92,7 +92,7 @@ static int exynos_drm_fbdev_update(struct drm_fb_helper *helper, offset = fbi->var.xoffset * fb->format->cpp[0]; offset += fbi->var.yoffset * fb->pitches[0]; - fbi->screen_base = exynos_gem->kvaddr + offset; + fbi->screen_buffer = exynos_gem->kvaddr + offset; fbi->screen_size = size; fbi->fix.smem_len = size; diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.h b/drivers/gpu/drm/exynos/exynos_drm_gem.h index 7445748288da93..74e926abeff0c1 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_gem.h +++ b/drivers/gpu/drm/exynos/exynos_drm_gem.h @@ -40,7 +40,7 @@ struct exynos_drm_gem { unsigned int flags; unsigned long size; void *cookie; - void __iomem *kvaddr; + void *kvaddr; dma_addr_t dma_addr; unsigned long dma_attrs; struct sg_table *sgt; diff --git a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_plane.c b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_plane.c index 86fac677fe69b6..3c6d9f3913d562 100644 --- a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_plane.c +++ b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_plane.c @@ -101,19 +101,19 @@ static void fsl_dcu_drm_plane_atomic_update(struct drm_plane *plane, break; case DRM_FORMAT_ARGB8888: alpha = DCU_LAYER_AB_WHOLE_FRAME; - /* fall-through */ + fallthrough; case DRM_FORMAT_XRGB8888: bpp = FSL_DCU_ARGB8888; break; case DRM_FORMAT_ARGB4444: alpha = DCU_LAYER_AB_WHOLE_FRAME; - /* fall-through */ + fallthrough; case DRM_FORMAT_XRGB4444: bpp = FSL_DCU_ARGB4444; break; case DRM_FORMAT_ARGB1555: alpha = DCU_LAYER_AB_WHOLE_FRAME; - /* fall-through */ + fallthrough; case DRM_FORMAT_XRGB1555: bpp = FSL_DCU_ARGB1555; break; diff --git a/drivers/gpu/drm/i915/display/icl_dsi.c b/drivers/gpu/drm/i915/display/icl_dsi.c index 8c55f5bee9ab6a..f4053dd6bde902 100644 --- a/drivers/gpu/drm/i915/display/icl_dsi.c +++ b/drivers/gpu/drm/i915/display/icl_dsi.c @@ -712,7 +712,7 @@ gen11_dsi_configure_transcoder(struct intel_encoder *encoder, switch (intel_dsi->pixel_format) { default: MISSING_CASE(intel_dsi->pixel_format); - /* fallthrough */ + fallthrough; case MIPI_DSI_FMT_RGB565: tmp |= PIX_FMT_RGB565; break; @@ -739,7 +739,7 @@ gen11_dsi_configure_transcoder(struct intel_encoder *encoder, switch (intel_dsi->video_mode_format) { default: MISSING_CASE(intel_dsi->video_mode_format); - /* fallthrough */ + fallthrough; case VIDEO_MODE_NON_BURST_WITH_SYNC_EVENTS: tmp |= VIDEO_MODE_SYNC_EVENT; break; @@ -792,7 +792,7 @@ gen11_dsi_configure_transcoder(struct intel_encoder *encoder, switch (pipe) { default: MISSING_CASE(pipe); - /* fallthrough */ + fallthrough; case PIPE_A: tmp |= TRANS_DDI_EDP_INPUT_A_ON; break; diff --git a/drivers/gpu/drm/i915/display/intel_bios.c b/drivers/gpu/drm/i915/display/intel_bios.c index c53c85d38fa527..a0a41ec5c34190 100644 --- a/drivers/gpu/drm/i915/display/intel_bios.c +++ b/drivers/gpu/drm/i915/display/intel_bios.c @@ -905,7 +905,7 @@ parse_psr(struct drm_i915_private *dev_priv, const struct bdb_header *bdb) drm_dbg_kms(&dev_priv->drm, "VBT tp1 wakeup time value %d is outside range[0-3], defaulting to max value 2500us\n", psr_table->tp1_wakeup_time); - /* fallthrough */ + fallthrough; case 2: dev_priv->vbt.psr.tp1_wakeup_time_us = 2500; break; @@ -925,7 +925,7 @@ parse_psr(struct drm_i915_private *dev_priv, const struct bdb_header *bdb) drm_dbg_kms(&dev_priv->drm, "VBT tp2_tp3 wakeup time value %d is outside range[0-3], defaulting to max value 2500us\n", psr_table->tp2_tp3_wakeup_time); - /* fallthrough */ + fallthrough; case 2: dev_priv->vbt.psr.tp2_tp3_wakeup_time_us = 2500; break; @@ -1775,7 +1775,7 @@ static void parse_ddi_port(struct drm_i915_private *dev_priv, switch (child->hdmi_max_data_rate) { default: MISSING_CASE(child->hdmi_max_data_rate); - /* fall through */ + fallthrough; case HDMI_MAX_DATA_RATE_PLATFORM: max_tmds_clock = 0; break; diff --git a/drivers/gpu/drm/i915/display/intel_cdclk.c b/drivers/gpu/drm/i915/display/intel_cdclk.c index bb91dace304ad9..91a8161e7c0511 100644 --- a/drivers/gpu/drm/i915/display/intel_cdclk.c +++ b/drivers/gpu/drm/i915/display/intel_cdclk.c @@ -326,7 +326,7 @@ static void pnv_get_cdclk(struct drm_i915_private *dev_priv, default: drm_err(&dev_priv->drm, "Unknown pnv display core clock 0x%04x\n", gcfgc); - /* fall through */ + fallthrough; case GC_DISPLAY_CLOCK_133_MHZ_PNV: cdclk_config->cdclk = 133333; break; @@ -766,7 +766,7 @@ static void bdw_set_cdclk(struct drm_i915_private *dev_priv, switch (cdclk) { default: MISSING_CASE(cdclk); - /* fall through */ + fallthrough; case 337500: val |= LCPLL_CLK_FREQ_337_5_BDW; break; @@ -1042,7 +1042,7 @@ static void skl_set_cdclk(struct drm_i915_private *dev_priv, drm_WARN_ON(&dev_priv->drm, cdclk != dev_priv->cdclk.hw.bypass); drm_WARN_ON(&dev_priv->drm, vco != 0); - /* fall through */ + fallthrough; case 308571: case 337500: freq_select = CDCLK_FREQ_337_308; @@ -1333,7 +1333,7 @@ static void icl_readout_refclk(struct drm_i915_private *dev_priv, switch (dssm) { default: MISSING_CASE(dssm); - /* fall through */ + fallthrough; case ICL_DSSM_CDCLK_PLL_REFCLK_24MHz: cdclk_config->ref = 24000; break; @@ -1561,7 +1561,7 @@ static void bxt_set_cdclk(struct drm_i915_private *dev_priv, drm_WARN_ON(&dev_priv->drm, cdclk != dev_priv->cdclk.hw.bypass); drm_WARN_ON(&dev_priv->drm, vco != 0); - /* fall through */ + fallthrough; case 2: divider = BXT_CDCLK_CD2X_DIV_SEL_1; break; diff --git a/drivers/gpu/drm/i915/display/intel_combo_phy.c b/drivers/gpu/drm/i915/display/intel_combo_phy.c index eccaa79cb4a9d9..157d8c8c605a1c 100644 --- a/drivers/gpu/drm/i915/display/intel_combo_phy.c +++ b/drivers/gpu/drm/i915/display/intel_combo_phy.c @@ -52,7 +52,7 @@ cnl_get_procmon_ref_values(struct drm_i915_private *dev_priv, enum phy phy) switch (val & (PROCESS_INFO_MASK | VOLTAGE_INFO_MASK)) { default: MISSING_CASE(val); - /* fall through */ + fallthrough; case VOLTAGE_INFO_0_85V | PROCESS_INFO_DOT_0: procmon = &cnl_procmon_values[PROCMON_0_85V_DOT_0]; break; @@ -258,7 +258,7 @@ static bool phy_is_master(struct drm_i915_private *dev_priv, enum phy phy) static bool icl_combo_phy_verify_state(struct drm_i915_private *dev_priv, enum phy phy) { - bool ret; + bool ret = true; u32 expected_val = 0; if (!icl_combo_phy_enabled(dev_priv, phy)) @@ -276,7 +276,7 @@ static bool icl_combo_phy_verify_state(struct drm_i915_private *dev_priv, DCC_MODE_SELECT_CONTINUOSLY); } - ret = cnl_verify_procmon_ref_values(dev_priv, phy); + ret &= cnl_verify_procmon_ref_values(dev_priv, phy); if (phy_is_master(dev_priv, phy)) { ret &= check_phy_reg(dev_priv, phy, ICL_PORT_COMP_DW8(phy), @@ -320,7 +320,7 @@ void intel_combo_phy_power_up_lanes(struct drm_i915_private *dev_priv, break; default: MISSING_CASE(lane_count); - /* fall-through */ + fallthrough; case 4: lane_mask = PWR_UP_ALL_LANES; break; @@ -337,7 +337,7 @@ void intel_combo_phy_power_up_lanes(struct drm_i915_private *dev_priv, break; default: MISSING_CASE(lane_count); - /* fall-through */ + fallthrough; case 4: lane_mask = PWR_UP_ALL_LANES; break; diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c index 2c484b55bcdf7a..a49ff3a1a63cab 100644 --- a/drivers/gpu/drm/i915/display/intel_ddi.c +++ b/drivers/gpu/drm/i915/display/intel_ddi.c @@ -1888,7 +1888,7 @@ static void intel_ddi_get_encoder_pipes(struct intel_encoder *encoder, switch (tmp & TRANS_DDI_EDP_INPUT_MASK) { default: MISSING_CASE(tmp & TRANS_DDI_EDP_INPUT_MASK); - /* fallthrough */ + fallthrough; case TRANS_DDI_EDP_INPUT_A_ON: case TRANS_DDI_EDP_INPUT_A_ONOFF: *pipe_mask = BIT(PIPE_A); @@ -4268,7 +4268,7 @@ void intel_ddi_get_config(struct intel_encoder *encoder, pipe_config->hdmi_scrambling = true; if (temp & TRANS_DDI_HIGH_TMDS_CHAR_RATE) pipe_config->hdmi_high_tmds_clock_ratio = true; - /* fall through */ + fallthrough; case TRANS_DDI_MODE_SELECT_DVI: pipe_config->output_types |= BIT(INTEL_OUTPUT_HDMI); pipe_config->lane_count = 4; diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index b2ec3a5141cca6..b18c5ac2934dcb 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -2029,12 +2029,12 @@ intel_tile_width_bytes(const struct drm_framebuffer *fb, int color_plane) case I915_FORMAT_MOD_Y_TILED_CCS: if (is_ccs_plane(fb, color_plane)) return 128; - /* fall through */ + fallthrough; case I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS: case I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS: if (is_ccs_plane(fb, color_plane)) return 64; - /* fall through */ + fallthrough; case I915_FORMAT_MOD_Y_TILED: if (IS_GEN(dev_priv, 2) || HAS_128_BYTE_Y_TILING(dev_priv)) return 128; @@ -2043,7 +2043,7 @@ intel_tile_width_bytes(const struct drm_framebuffer *fb, int color_plane) case I915_FORMAT_MOD_Yf_TILED_CCS: if (is_ccs_plane(fb, color_plane)) return 128; - /* fall through */ + fallthrough; case I915_FORMAT_MOD_Yf_TILED: switch (cpp) { case 1: @@ -2185,7 +2185,7 @@ static unsigned int intel_surf_alignment(const struct drm_framebuffer *fb, case I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS: if (is_semiplanar_uv_plane(fb, color_plane)) return intel_tile_row_size(fb, color_plane); - /* Fall-through */ + fallthrough; case I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS: return 16 * 1024; case I915_FORMAT_MOD_Y_TILED_CCS: @@ -2194,7 +2194,7 @@ static unsigned int intel_surf_alignment(const struct drm_framebuffer *fb, if (INTEL_GEN(dev_priv) >= 12 && is_semiplanar_uv_plane(fb, color_plane)) return intel_tile_row_size(fb, color_plane); - /* Fall-through */ + fallthrough; case I915_FORMAT_MOD_Yf_TILED: return 1 * 1024 * 1024; default: @@ -6211,7 +6211,7 @@ static int skl_update_scaler_plane(struct intel_crtc_state *crtc_state, case DRM_FORMAT_ARGB16161616F: if (INTEL_GEN(dev_priv) >= 11) break; - /* fall through */ + fallthrough; default: drm_dbg_kms(&dev_priv->drm, "[PLANE:%d:%s] FB:%d unsupported scaling format 0x%x\n", @@ -10896,7 +10896,7 @@ static void hsw_get_ddi_pll(struct drm_i915_private *dev_priv, enum port port, break; default: MISSING_CASE(ddi_pll_sel); - /* fall through */ + fallthrough; case PORT_CLK_SEL_NONE: return; } @@ -10956,10 +10956,10 @@ static bool hsw_get_transcoder_state(struct intel_crtc *crtc, drm_WARN(dev, 1, "unknown pipe linked to transcoder %s\n", transcoder_name(panel_transcoder)); - /* fall through */ + fallthrough; case TRANS_DDI_EDP_INPUT_A_ONOFF: force_thru = true; - /* fall through */ + fallthrough; case TRANS_DDI_EDP_INPUT_A_ON: trans_pipe = PIPE_A; break; @@ -13183,7 +13183,7 @@ static bool check_digital_port_conflicts(struct intel_atomic_state *state) case INTEL_OUTPUT_DDI: if (drm_WARN_ON(dev, !HAS_DDI(to_i915(dev)))) break; - /* else, fall through */ + fallthrough; case INTEL_OUTPUT_DP: case INTEL_OUTPUT_HDMI: case INTEL_OUTPUT_EDP: @@ -14956,12 +14956,6 @@ static int intel_atomic_check(struct drm_device *dev, if (dev_priv->wm.distrust_bios_wm) any_ms = true; - if (any_ms) { - ret = intel_modeset_checks(state); - if (ret) - goto fail; - } - intel_fbc_choose_crtc(dev_priv, state); ret = calc_watermark_data(state); if (ret) @@ -14976,6 +14970,10 @@ static int intel_atomic_check(struct drm_device *dev, goto fail; if (any_ms) { + ret = intel_modeset_checks(state); + if (ret) + goto fail; + ret = intel_modeset_calc_cdclk(state); if (ret) return ret; diff --git a/drivers/gpu/drm/i915/display/intel_dpll_mgr.c b/drivers/gpu/drm/i915/display/intel_dpll_mgr.c index aeb6ee395cce51..afa7a378b31d8d 100644 --- a/drivers/gpu/drm/i915/display/intel_dpll_mgr.c +++ b/drivers/gpu/drm/i915/display/intel_dpll_mgr.c @@ -892,7 +892,7 @@ static int hsw_ddi_wrpll_get_freq(struct drm_i915_private *dev_priv, refclk = dev_priv->dpll.ref_clks.nssc; break; } - /* fall through */ + fallthrough; case WRPLL_REF_PCH_SSC: /* * We could calculate spread here, but our checking @@ -2977,7 +2977,7 @@ static bool icl_calc_tbt_pll(struct intel_crtc_state *crtc_state, switch (dev_priv->dpll.ref_clks.nssc) { default: MISSING_CASE(dev_priv->dpll.ref_clks.nssc); - /* fall-through */ + fallthrough; case 19200: *pll_params = tgl_tbt_pll_19_2MHz_values; break; @@ -2992,7 +2992,7 @@ static bool icl_calc_tbt_pll(struct intel_crtc_state *crtc_state, switch (dev_priv->dpll.ref_clks.nssc) { default: MISSING_CASE(dev_priv->dpll.ref_clks.nssc); - /* fall-through */ + fallthrough; case 19200: case 38400: *pll_params = icl_tbt_pll_19_2MHz_values; @@ -3120,7 +3120,7 @@ static bool icl_mg_pll_find_divisors(int clock_khz, bool is_dp, bool use_ssc, switch (div1) { default: MISSING_CASE(div1); - /* fall through */ + fallthrough; case 2: hsdiv = MG_CLKTOP2_HSCLKCTL_HSDIV_RATIO_2; break; diff --git a/drivers/gpu/drm/i915/display/intel_hdcp.c b/drivers/gpu/drm/i915/display/intel_hdcp.c index 89a4d294822d55..1a0d49af2a0862 100644 --- a/drivers/gpu/drm/i915/display/intel_hdcp.c +++ b/drivers/gpu/drm/i915/display/intel_hdcp.c @@ -336,8 +336,10 @@ int intel_hdcp_validate_v_prime(struct intel_connector *connector, /* Fill up the empty slots in sha_text and write it out */ sha_empty = sizeof(sha_text) - sha_leftovers; - for (j = 0; j < sha_empty; j++) - sha_text |= ksv[j] << ((sizeof(sha_text) - j - 1) * 8); + for (j = 0; j < sha_empty; j++) { + u8 off = ((sizeof(sha_text) - j - 1 - sha_leftovers) * 8); + sha_text |= ksv[j] << off; + } ret = intel_write_sha_text(dev_priv, sha_text); if (ret < 0) @@ -435,7 +437,7 @@ int intel_hdcp_validate_v_prime(struct intel_connector *connector, /* Write 32 bits of text */ intel_de_write(dev_priv, HDCP_REP_CTL, rep_ctl | HDCP_SHA1_TEXT_32); - sha_text |= bstatus[0] << 24 | bstatus[1] << 16; + sha_text |= bstatus[0] << 8 | bstatus[1]; ret = intel_write_sha_text(dev_priv, sha_text); if (ret < 0) return ret; @@ -450,17 +452,29 @@ int intel_hdcp_validate_v_prime(struct intel_connector *connector, return ret; sha_idx += sizeof(sha_text); } + + /* + * Terminate the SHA-1 stream by hand. For the other leftover + * cases this is appended by the hardware. + */ + intel_de_write(dev_priv, HDCP_REP_CTL, + rep_ctl | HDCP_SHA1_TEXT_32); + sha_text = DRM_HDCP_SHA1_TERMINATOR << 24; + ret = intel_write_sha_text(dev_priv, sha_text); + if (ret < 0) + return ret; + sha_idx += sizeof(sha_text); } else if (sha_leftovers == 3) { - /* Write 32 bits of text */ + /* Write 32 bits of text (filled from LSB) */ intel_de_write(dev_priv, HDCP_REP_CTL, rep_ctl | HDCP_SHA1_TEXT_32); - sha_text |= bstatus[0] << 24; + sha_text |= bstatus[0]; ret = intel_write_sha_text(dev_priv, sha_text); if (ret < 0) return ret; sha_idx += sizeof(sha_text); - /* Write 8 bits of text, 24 bits of M0 */ + /* Write 8 bits of text (filled from LSB), 24 bits of M0 */ intel_de_write(dev_priv, HDCP_REP_CTL, rep_ctl | HDCP_SHA1_TEXT_8); ret = intel_write_sha_text(dev_priv, bstatus[1]); @@ -781,6 +795,7 @@ static int _intel_hdcp_disable(struct intel_connector *connector) struct intel_hdcp *hdcp = &connector->hdcp; enum port port = dig_port->base.port; enum transcoder cpu_transcoder = hdcp->cpu_transcoder; + u32 repeater_ctl; int ret; drm_dbg_kms(&dev_priv->drm, "[%s:%d] HDCP is being disabled...\n", @@ -796,6 +811,11 @@ static int _intel_hdcp_disable(struct intel_connector *connector) return -ETIMEDOUT; } + repeater_ctl = intel_hdcp_get_repeater_ctl(dev_priv, cpu_transcoder, + port); + intel_de_write(dev_priv, HDCP_REP_CTL, + intel_de_read(dev_priv, HDCP_REP_CTL) & ~repeater_ctl); + ret = hdcp->shim->toggle_signalling(dig_port, false); if (ret) { drm_err(&dev_priv->drm, "Failed to disable HDCP signalling\n"); diff --git a/drivers/gpu/drm/i915/display/intel_panel.c b/drivers/gpu/drm/i915/display/intel_panel.c index bbde3b12c3113c..4072d7062efd65 100644 --- a/drivers/gpu/drm/i915/display/intel_panel.c +++ b/drivers/gpu/drm/i915/display/intel_panel.c @@ -229,7 +229,7 @@ int intel_pch_panel_fitting(struct intel_crtc_state *crtc_state, case DRM_MODE_SCALE_NONE: WARN_ON(adjusted_mode->crtc_hdisplay != crtc_state->pipe_src_w); WARN_ON(adjusted_mode->crtc_vdisplay != crtc_state->pipe_src_h); - /* fall through */ + fallthrough; case DRM_MODE_SCALE_FULLSCREEN: x = y = 0; width = adjusted_mode->crtc_hdisplay; diff --git a/drivers/gpu/drm/i915/display/intel_sdvo.c b/drivers/gpu/drm/i915/display/intel_sdvo.c index 2da4388e15403d..5e9fb349c82926 100644 --- a/drivers/gpu/drm/i915/display/intel_sdvo.c +++ b/drivers/gpu/drm/i915/display/intel_sdvo.c @@ -1531,7 +1531,7 @@ static void intel_sdvo_pre_enable(struct intel_atomic_state *state, default: drm_WARN(&dev_priv->drm, 1, "unknown pixel multiplier specified\n"); - /* fall through */ + fallthrough; case 1: rate = SDVO_CLOCK_RATE_MULT_1X; break; case 2: rate = SDVO_CLOCK_RATE_MULT_2X; break; case 4: rate = SDVO_CLOCK_RATE_MULT_4X; break; @@ -2549,19 +2549,19 @@ intel_sdvo_guess_ddc_bus(struct intel_sdvo *sdvo) switch (sdvo->controlled_output) { case SDVO_OUTPUT_LVDS1: mask |= SDVO_OUTPUT_LVDS1; - /* fall through */ + fallthrough; case SDVO_OUTPUT_LVDS0: mask |= SDVO_OUTPUT_LVDS0; - /* fall through */ + fallthrough; case SDVO_OUTPUT_TMDS1: mask |= SDVO_OUTPUT_TMDS1; - /* fall through */ + fallthrough; case SDVO_OUTPUT_TMDS0: mask |= SDVO_OUTPUT_TMDS0; - /* fall through */ + fallthrough; case SDVO_OUTPUT_RGB1: mask |= SDVO_OUTPUT_RGB1; - /* fall through */ + fallthrough; case SDVO_OUTPUT_RGB0: mask |= SDVO_OUTPUT_RGB0; break; diff --git a/drivers/gpu/drm/i915/display/intel_sprite.c b/drivers/gpu/drm/i915/display/intel_sprite.c index d03860fef2d790..c89f5f7ccb06ea 100644 --- a/drivers/gpu/drm/i915/display/intel_sprite.c +++ b/drivers/gpu/drm/i915/display/intel_sprite.c @@ -2147,7 +2147,7 @@ static int skl_plane_check_fb(const struct intel_crtc_state *crtc_state, case DRM_FORMAT_RGB565: if (INTEL_GEN(dev_priv) >= 11) break; - /* fall through */ + fallthrough; case DRM_FORMAT_C8: case DRM_FORMAT_XRGB16161616F: case DRM_FORMAT_XBGR16161616F: @@ -2702,7 +2702,7 @@ static bool g4x_sprite_format_mod_supported(struct drm_plane *_plane, if (modifier == DRM_FORMAT_MOD_LINEAR || modifier == I915_FORMAT_MOD_X_TILED) return true; - /* fall through */ + fallthrough; default: return false; } @@ -2733,7 +2733,7 @@ static bool snb_sprite_format_mod_supported(struct drm_plane *_plane, if (modifier == DRM_FORMAT_MOD_LINEAR || modifier == I915_FORMAT_MOD_X_TILED) return true; - /* fall through */ + fallthrough; default: return false; } @@ -2768,7 +2768,7 @@ static bool vlv_sprite_format_mod_supported(struct drm_plane *_plane, if (modifier == DRM_FORMAT_MOD_LINEAR || modifier == I915_FORMAT_MOD_X_TILED) return true; - /* fall through */ + fallthrough; default: return false; } @@ -2801,7 +2801,7 @@ static bool skl_plane_format_mod_supported(struct drm_plane *_plane, case DRM_FORMAT_ABGR8888: if (is_ccs_modifier(modifier)) return true; - /* fall through */ + fallthrough; case DRM_FORMAT_RGB565: case DRM_FORMAT_XRGB2101010: case DRM_FORMAT_XBGR2101010: @@ -2819,7 +2819,7 @@ static bool skl_plane_format_mod_supported(struct drm_plane *_plane, case DRM_FORMAT_XVYU2101010: if (modifier == I915_FORMAT_MOD_Yf_TILED) return true; - /* fall through */ + fallthrough; case DRM_FORMAT_C8: case DRM_FORMAT_XBGR16161616F: case DRM_FORMAT_ABGR16161616F: @@ -2834,7 +2834,7 @@ static bool skl_plane_format_mod_supported(struct drm_plane *_plane, modifier == I915_FORMAT_MOD_X_TILED || modifier == I915_FORMAT_MOD_Y_TILED) return true; - /* fall through */ + fallthrough; default: return false; } @@ -2860,7 +2860,7 @@ static bool gen12_plane_format_mod_supported(struct drm_plane *_plane, case I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS: if (!gen12_plane_supports_mc_ccs(dev_priv, plane->id)) return false; - /* fall through */ + fallthrough; case DRM_FORMAT_MOD_LINEAR: case I915_FORMAT_MOD_X_TILED: case I915_FORMAT_MOD_Y_TILED: @@ -2877,7 +2877,7 @@ static bool gen12_plane_format_mod_supported(struct drm_plane *_plane, case DRM_FORMAT_ABGR8888: if (is_ccs_modifier(modifier)) return true; - /* fall through */ + fallthrough; case DRM_FORMAT_YUYV: case DRM_FORMAT_YVYU: case DRM_FORMAT_UYVY: @@ -2889,7 +2889,7 @@ static bool gen12_plane_format_mod_supported(struct drm_plane *_plane, case DRM_FORMAT_P016: if (modifier == I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS) return true; - /* fall through */ + fallthrough; case DRM_FORMAT_RGB565: case DRM_FORMAT_XRGB2101010: case DRM_FORMAT_XBGR2101010: @@ -2910,7 +2910,7 @@ static bool gen12_plane_format_mod_supported(struct drm_plane *_plane, modifier == I915_FORMAT_MOD_X_TILED || modifier == I915_FORMAT_MOD_Y_TILED) return true; - /* fall through */ + fallthrough; default: return false; } diff --git a/drivers/gpu/drm/i915/display/intel_tc.c b/drivers/gpu/drm/i915/display/intel_tc.c index 5b5dc86a573758..8f67aef18b2da3 100644 --- a/drivers/gpu/drm/i915/display/intel_tc.c +++ b/drivers/gpu/drm/i915/display/intel_tc.c @@ -159,7 +159,7 @@ int intel_tc_port_fia_max_lane_count(struct intel_digital_port *dig_port) switch (lane_mask) { default: MISSING_CASE(lane_mask); - /* fall-through */ + fallthrough; case 0x1: case 0x2: case 0x4: diff --git a/drivers/gpu/drm/i915/gem/i915_gem_context.c b/drivers/gpu/drm/i915/gem/i915_gem_context.c index d0bdb6d447ed4a..ef755dd5e68fc3 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_context.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_context.c @@ -439,29 +439,36 @@ static bool __cancel_engine(struct intel_engine_cs *engine) return __reset_engine(engine); } -static struct intel_engine_cs *__active_engine(struct i915_request *rq) +static bool +__active_engine(struct i915_request *rq, struct intel_engine_cs **active) { struct intel_engine_cs *engine, *locked; + bool ret = false; /* * Serialise with __i915_request_submit() so that it sees * is-banned?, or we know the request is already inflight. + * + * Note that rq->engine is unstable, and so we double + * check that we have acquired the lock on the final engine. */ locked = READ_ONCE(rq->engine); spin_lock_irq(&locked->active.lock); while (unlikely(locked != (engine = READ_ONCE(rq->engine)))) { spin_unlock(&locked->active.lock); - spin_lock(&engine->active.lock); locked = engine; + spin_lock(&locked->active.lock); } - engine = NULL; - if (i915_request_is_active(rq) && rq->fence.error != -EIO) - engine = rq->engine; + if (!i915_request_completed(rq)) { + if (i915_request_is_active(rq) && rq->fence.error != -EIO) + *active = locked; + ret = true; + } spin_unlock_irq(&locked->active.lock); - return engine; + return ret; } static struct intel_engine_cs *active_engine(struct intel_context *ce) @@ -472,17 +479,16 @@ static struct intel_engine_cs *active_engine(struct intel_context *ce) if (!ce->timeline) return NULL; - mutex_lock(&ce->timeline->mutex); - list_for_each_entry_reverse(rq, &ce->timeline->requests, link) { - if (i915_request_completed(rq)) - break; + rcu_read_lock(); + list_for_each_entry_rcu(rq, &ce->timeline->requests, link) { + if (i915_request_is_active(rq) && i915_request_completed(rq)) + continue; /* Check with the backend if the request is inflight */ - engine = __active_engine(rq); - if (engine) + if (__active_engine(rq, &engine)) break; } - mutex_unlock(&ce->timeline->mutex); + rcu_read_unlock(); return engine; } @@ -713,6 +719,7 @@ __create_context(struct drm_i915_private *i915) ctx->i915 = i915; ctx->sched.priority = I915_USER_PRIORITY(I915_PRIORITY_NORMAL); mutex_init(&ctx->mutex); + INIT_LIST_HEAD(&ctx->link); spin_lock_init(&ctx->stale.lock); INIT_LIST_HEAD(&ctx->stale.engines); @@ -740,10 +747,6 @@ __create_context(struct drm_i915_private *i915) for (i = 0; i < ARRAY_SIZE(ctx->hang_timestamp); i++) ctx->hang_timestamp[i] = jiffies - CONTEXT_FAST_HANG_JIFFIES; - spin_lock(&i915->gem.contexts.lock); - list_add_tail(&ctx->link, &i915->gem.contexts.list); - spin_unlock(&i915->gem.contexts.lock); - return ctx; err_free: @@ -931,6 +934,7 @@ static int gem_context_register(struct i915_gem_context *ctx, struct drm_i915_file_private *fpriv, u32 *id) { + struct drm_i915_private *i915 = ctx->i915; struct i915_address_space *vm; int ret; @@ -949,8 +953,16 @@ static int gem_context_register(struct i915_gem_context *ctx, /* And finally expose ourselves to userspace via the idr */ ret = xa_alloc(&fpriv->context_xa, id, ctx, xa_limit_32b, GFP_KERNEL); if (ret) - put_pid(fetch_and_zero(&ctx->pid)); + goto err_pid; + + spin_lock(&i915->gem.contexts.lock); + list_add_tail(&ctx->link, &i915->gem.contexts.list); + spin_unlock(&i915->gem.contexts.lock); + + return 0; +err_pid: + put_pid(fetch_and_zero(&ctx->pid)); return ret; } diff --git a/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c index 6b4ec66cb558dc..446e76e95c3817 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c @@ -45,6 +45,13 @@ struct eb_vma_array { struct eb_vma vma[]; }; +enum { + FORCE_CPU_RELOC = 1, + FORCE_GTT_RELOC, + FORCE_GPU_RELOC, +#define DBG_FORCE_RELOC 0 /* choose one of the above! */ +}; + #define __EXEC_OBJECT_HAS_PIN BIT(31) #define __EXEC_OBJECT_HAS_FENCE BIT(30) #define __EXEC_OBJECT_NEEDS_MAP BIT(29) @@ -253,6 +260,8 @@ struct i915_execbuffer { */ struct reloc_cache { struct drm_mm_node node; /** temporary GTT binding */ + unsigned long vaddr; /** Current kmap address */ + unsigned long page; /** Currently mapped page index */ unsigned int gen; /** Cached value of INTEL_GEN */ bool use_64bit_reloc : 1; bool has_llc : 1; @@ -596,6 +605,23 @@ eb_add_vma(struct i915_execbuffer *eb, } } +static inline int use_cpu_reloc(const struct reloc_cache *cache, + const struct drm_i915_gem_object *obj) +{ + if (!i915_gem_object_has_struct_page(obj)) + return false; + + if (DBG_FORCE_RELOC == FORCE_CPU_RELOC) + return true; + + if (DBG_FORCE_RELOC == FORCE_GTT_RELOC) + return false; + + return (cache->has_llc || + obj->cache_dirty || + obj->cache_level != I915_CACHE_NONE); +} + static int eb_reserve_vma(const struct i915_execbuffer *eb, struct eb_vma *ev, u64 pin_flags) @@ -926,6 +952,8 @@ relocation_target(const struct drm_i915_gem_relocation_entry *reloc, static void reloc_cache_init(struct reloc_cache *cache, struct drm_i915_private *i915) { + cache->page = -1; + cache->vaddr = 0; /* Must be a variable in the struct to allow GCC to unroll. */ cache->gen = INTEL_GEN(i915); cache->has_llc = HAS_LLC(i915); @@ -937,6 +965,25 @@ static void reloc_cache_init(struct reloc_cache *cache, cache->target = NULL; } +static inline void *unmask_page(unsigned long p) +{ + return (void *)(uintptr_t)(p & PAGE_MASK); +} + +static inline unsigned int unmask_flags(unsigned long p) +{ + return p & ~PAGE_MASK; +} + +#define KMAP 0x4 /* after CLFLUSH_FLAGS */ + +static inline struct i915_ggtt *cache_to_ggtt(struct reloc_cache *cache) +{ + struct drm_i915_private *i915 = + container_of(cache, struct i915_execbuffer, reloc_cache)->i915; + return &i915->ggtt; +} + #define RELOC_TAIL 4 static int reloc_gpu_chain(struct reloc_cache *cache) @@ -1049,6 +1096,181 @@ static int reloc_gpu_flush(struct reloc_cache *cache) return err; } +static void reloc_cache_reset(struct reloc_cache *cache) +{ + void *vaddr; + + if (!cache->vaddr) + return; + + vaddr = unmask_page(cache->vaddr); + if (cache->vaddr & KMAP) { + if (cache->vaddr & CLFLUSH_AFTER) + mb(); + + kunmap_atomic(vaddr); + i915_gem_object_finish_access((struct drm_i915_gem_object *)cache->node.mm); + } else { + struct i915_ggtt *ggtt = cache_to_ggtt(cache); + + intel_gt_flush_ggtt_writes(ggtt->vm.gt); + io_mapping_unmap_atomic((void __iomem *)vaddr); + + if (drm_mm_node_allocated(&cache->node)) { + ggtt->vm.clear_range(&ggtt->vm, + cache->node.start, + cache->node.size); + mutex_lock(&ggtt->vm.mutex); + drm_mm_remove_node(&cache->node); + mutex_unlock(&ggtt->vm.mutex); + } else { + i915_vma_unpin((struct i915_vma *)cache->node.mm); + } + } + + cache->vaddr = 0; + cache->page = -1; +} + +static void *reloc_kmap(struct drm_i915_gem_object *obj, + struct reloc_cache *cache, + unsigned long page) +{ + void *vaddr; + + if (cache->vaddr) { + kunmap_atomic(unmask_page(cache->vaddr)); + } else { + unsigned int flushes; + int err; + + err = i915_gem_object_prepare_write(obj, &flushes); + if (err) + return ERR_PTR(err); + + BUILD_BUG_ON(KMAP & CLFLUSH_FLAGS); + BUILD_BUG_ON((KMAP | CLFLUSH_FLAGS) & PAGE_MASK); + + cache->vaddr = flushes | KMAP; + cache->node.mm = (void *)obj; + if (flushes) + mb(); + } + + vaddr = kmap_atomic(i915_gem_object_get_dirty_page(obj, page)); + cache->vaddr = unmask_flags(cache->vaddr) | (unsigned long)vaddr; + cache->page = page; + + return vaddr; +} + +static void *reloc_iomap(struct drm_i915_gem_object *obj, + struct reloc_cache *cache, + unsigned long page) +{ + struct i915_ggtt *ggtt = cache_to_ggtt(cache); + unsigned long offset; + void *vaddr; + + if (cache->vaddr) { + intel_gt_flush_ggtt_writes(ggtt->vm.gt); + io_mapping_unmap_atomic((void __force __iomem *) unmask_page(cache->vaddr)); + } else { + struct i915_vma *vma; + int err; + + if (i915_gem_object_is_tiled(obj)) + return ERR_PTR(-EINVAL); + + if (use_cpu_reloc(cache, obj)) + return NULL; + + i915_gem_object_lock(obj); + err = i915_gem_object_set_to_gtt_domain(obj, true); + i915_gem_object_unlock(obj); + if (err) + return ERR_PTR(err); + + vma = i915_gem_object_ggtt_pin(obj, NULL, 0, 0, + PIN_MAPPABLE | + PIN_NONBLOCK /* NOWARN */ | + PIN_NOEVICT); + if (IS_ERR(vma)) { + memset(&cache->node, 0, sizeof(cache->node)); + mutex_lock(&ggtt->vm.mutex); + err = drm_mm_insert_node_in_range + (&ggtt->vm.mm, &cache->node, + PAGE_SIZE, 0, I915_COLOR_UNEVICTABLE, + 0, ggtt->mappable_end, + DRM_MM_INSERT_LOW); + mutex_unlock(&ggtt->vm.mutex); + if (err) /* no inactive aperture space, use cpu reloc */ + return NULL; + } else { + cache->node.start = vma->node.start; + cache->node.mm = (void *)vma; + } + } + + offset = cache->node.start; + if (drm_mm_node_allocated(&cache->node)) { + ggtt->vm.insert_page(&ggtt->vm, + i915_gem_object_get_dma_address(obj, page), + offset, I915_CACHE_NONE, 0); + } else { + offset += page << PAGE_SHIFT; + } + + vaddr = (void __force *)io_mapping_map_atomic_wc(&ggtt->iomap, + offset); + cache->page = page; + cache->vaddr = (unsigned long)vaddr; + + return vaddr; +} + +static void *reloc_vaddr(struct drm_i915_gem_object *obj, + struct reloc_cache *cache, + unsigned long page) +{ + void *vaddr; + + if (cache->page == page) { + vaddr = unmask_page(cache->vaddr); + } else { + vaddr = NULL; + if ((cache->vaddr & KMAP) == 0) + vaddr = reloc_iomap(obj, cache, page); + if (!vaddr) + vaddr = reloc_kmap(obj, cache, page); + } + + return vaddr; +} + +static void clflush_write32(u32 *addr, u32 value, unsigned int flushes) +{ + if (unlikely(flushes & (CLFLUSH_BEFORE | CLFLUSH_AFTER))) { + if (flushes & CLFLUSH_BEFORE) { + clflushopt(addr); + mb(); + } + + *addr = value; + + /* + * Writes to the same cacheline are serialised by the CPU + * (including clflush). On the write path, we only require + * that it hits memory in an orderly fashion and place + * mb barriers at the start and end of the relocation phase + * to ensure ordering of clflush wrt to the system. + */ + if (flushes & CLFLUSH_AFTER) + clflushopt(addr); + } else + *addr = value; +} + static int reloc_move_to_gpu(struct i915_request *rq, struct i915_vma *vma) { struct drm_i915_gem_object *obj = vma->obj; @@ -1214,6 +1436,17 @@ static u32 *reloc_gpu(struct i915_execbuffer *eb, return cmd; } +static inline bool use_reloc_gpu(struct i915_vma *vma) +{ + if (DBG_FORCE_RELOC == FORCE_GPU_RELOC) + return true; + + if (DBG_FORCE_RELOC) + return false; + + return !dma_resv_test_signaled_rcu(vma->resv, true); +} + static unsigned long vma_phys_addr(struct i915_vma *vma, u32 offset) { struct page *page; @@ -1228,10 +1461,10 @@ static unsigned long vma_phys_addr(struct i915_vma *vma, u32 offset) return addr + offset_in_page(offset); } -static int __reloc_entry_gpu(struct i915_execbuffer *eb, - struct i915_vma *vma, - u64 offset, - u64 target_addr) +static bool __reloc_entry_gpu(struct i915_execbuffer *eb, + struct i915_vma *vma, + u64 offset, + u64 target_addr) { const unsigned int gen = eb->reloc_cache.gen; unsigned int len; @@ -1247,7 +1480,7 @@ static int __reloc_entry_gpu(struct i915_execbuffer *eb, batch = reloc_gpu(eb, vma, len); if (IS_ERR(batch)) - return PTR_ERR(batch); + return false; addr = gen8_canonical_addr(vma->node.start + offset); if (gen >= 8) { @@ -1296,21 +1529,55 @@ static int __reloc_entry_gpu(struct i915_execbuffer *eb, *batch++ = target_addr; } - return 0; + return true; +} + +static bool reloc_entry_gpu(struct i915_execbuffer *eb, + struct i915_vma *vma, + u64 offset, + u64 target_addr) +{ + if (eb->reloc_cache.vaddr) + return false; + + if (!use_reloc_gpu(vma)) + return false; + + return __reloc_entry_gpu(eb, vma, offset, target_addr); } static u64 -relocate_entry(struct i915_execbuffer *eb, - struct i915_vma *vma, +relocate_entry(struct i915_vma *vma, const struct drm_i915_gem_relocation_entry *reloc, + struct i915_execbuffer *eb, const struct i915_vma *target) { u64 target_addr = relocation_target(reloc, target); - int err; - - err = __reloc_entry_gpu(eb, vma, reloc->offset, target_addr); - if (err) - return err; + u64 offset = reloc->offset; + + if (!reloc_entry_gpu(eb, vma, offset, target_addr)) { + bool wide = eb->reloc_cache.use_64bit_reloc; + void *vaddr; + +repeat: + vaddr = reloc_vaddr(vma->obj, + &eb->reloc_cache, + offset >> PAGE_SHIFT); + if (IS_ERR(vaddr)) + return PTR_ERR(vaddr); + + GEM_BUG_ON(!IS_ALIGNED(offset, sizeof(u32))); + clflush_write32(vaddr + offset_in_page(offset), + lower_32_bits(target_addr), + eb->reloc_cache.vaddr); + + if (wide) { + offset += sizeof(u32); + target_addr >>= 32; + wide = false; + goto repeat; + } + } return target->node.start | UPDATE; } @@ -1375,7 +1642,8 @@ eb_relocate_entry(struct i915_execbuffer *eb, * If the relocation already has the right value in it, no * more work needs to be done. */ - if (gen8_canonical_addr(target->vma->node.start) == reloc->presumed_offset) + if (!DBG_FORCE_RELOC && + gen8_canonical_addr(target->vma->node.start) == reloc->presumed_offset) return 0; /* Check that the relocation address is valid... */ @@ -1407,7 +1675,7 @@ eb_relocate_entry(struct i915_execbuffer *eb, ev->flags &= ~EXEC_OBJECT_ASYNC; /* and update the user's relocation entry */ - return relocate_entry(eb, ev->vma, reloc, target->vma); + return relocate_entry(ev->vma, reloc, eb, target->vma); } static int eb_relocate_vma(struct i915_execbuffer *eb, struct eb_vma *ev) @@ -1445,8 +1713,10 @@ static int eb_relocate_vma(struct i915_execbuffer *eb, struct eb_vma *ev) * this is bad and so lockdep complains vehemently. */ copied = __copy_from_user(r, urelocs, count * sizeof(r[0])); - if (unlikely(copied)) - return -EFAULT; + if (unlikely(copied)) { + remain = -EFAULT; + goto out; + } remain -= count; do { @@ -1454,7 +1724,8 @@ static int eb_relocate_vma(struct i915_execbuffer *eb, struct eb_vma *ev) if (likely(offset == 0)) { } else if ((s64)offset < 0) { - return (int)offset; + remain = (int)offset; + goto out; } else { /* * Note that reporting an error now @@ -1484,8 +1755,9 @@ static int eb_relocate_vma(struct i915_execbuffer *eb, struct eb_vma *ev) } while (r++, --count); urelocs += ARRAY_SIZE(stack); } while (remain); - - return 0; +out: + reloc_cache_reset(&eb->reloc_cache); + return remain; } static int eb_relocate(struct i915_execbuffer *eb) @@ -2392,7 +2664,7 @@ i915_gem_do_execbuffer(struct drm_device *dev, eb.i915 = i915; eb.file = file; eb.args = args; - if (!(args->flags & I915_EXEC_NO_RELOC)) + if (DBG_FORCE_RELOC || !(args->flags & I915_EXEC_NO_RELOC)) args->flags |= __EXEC_HAS_RELOC; eb.exec = exec; diff --git a/drivers/gpu/drm/i915/gem/i915_gem_mman.c b/drivers/gpu/drm/i915/gem/i915_gem_mman.c index b23368529a409c..753f82d87a3168 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_mman.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_mman.c @@ -209,7 +209,7 @@ static vm_fault_t i915_error_to_vmf_fault(int err) switch (err) { default: WARN_ONCE(err, "unhandled error in %s: %i\n", __func__, err); - /* fallthrough */ + fallthrough; case -EIO: /* shmemfs failure from swap device */ case -EFAULT: /* purged object */ case -ENODEV: /* bad object, how did you get here! */ diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object.h b/drivers/gpu/drm/i915/gem/i915_gem_object.h index e5b9276d254c01..9cf4ad78ece6ef 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_object.h +++ b/drivers/gpu/drm/i915/gem/i915_gem_object.h @@ -258,6 +258,10 @@ struct page * i915_gem_object_get_page(struct drm_i915_gem_object *obj, unsigned int n); +struct page * +i915_gem_object_get_dirty_page(struct drm_i915_gem_object *obj, + unsigned int n); + dma_addr_t i915_gem_object_get_dma_address_len(struct drm_i915_gem_object *obj, unsigned long n, diff --git a/drivers/gpu/drm/i915/gem/i915_gem_pages.c b/drivers/gpu/drm/i915/gem/i915_gem_pages.c index 7050519c87a4f5..e8a083743e0927 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_pages.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_pages.c @@ -276,7 +276,7 @@ static void *i915_gem_object_map(struct drm_i915_gem_object *obj, switch (type) { default: MISSING_CASE(type); - /* fallthrough - to use PAGE_KERNEL anyway */ + fallthrough; /* to use PAGE_KERNEL anyway */ case I915_MAP_WB: pgprot = PAGE_KERNEL; break; @@ -548,6 +548,20 @@ i915_gem_object_get_page(struct drm_i915_gem_object *obj, unsigned int n) return nth_page(sg_page(sg), offset); } +/* Like i915_gem_object_get_page(), but mark the returned page dirty */ +struct page * +i915_gem_object_get_dirty_page(struct drm_i915_gem_object *obj, + unsigned int n) +{ + struct page *page; + + page = i915_gem_object_get_page(obj, n); + if (!obj->mm.dirty) + set_page_dirty(page); + + return page; +} + dma_addr_t i915_gem_object_get_dma_address_len(struct drm_i915_gem_object *obj, unsigned long n, diff --git a/drivers/gpu/drm/i915/gem/i915_gem_stolen.c b/drivers/gpu/drm/i915/gem/i915_gem_stolen.c index e0f21f12d3ce4a..0be5e86833371b 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_stolen.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_stolen.c @@ -249,7 +249,7 @@ static void vlv_get_stolen_reserved(struct drm_i915_private *i915, switch (reg_val & GEN7_STOLEN_RESERVED_SIZE_MASK) { default: MISSING_CASE(reg_val & GEN7_STOLEN_RESERVED_SIZE_MASK); - /* fall through */ + fallthrough; case GEN7_STOLEN_RESERVED_1M: *size = 1024 * 1024; break; @@ -416,7 +416,7 @@ static int i915_gem_init_stolen(struct drm_i915_private *i915) case 4: if (!IS_G4X(i915)) break; - /* fall through */ + fallthrough; case 5: g4x_get_stolen_reserved(i915, uncore, &reserved_base, &reserved_size); @@ -445,7 +445,7 @@ static int i915_gem_init_stolen(struct drm_i915_private *i915) break; default: MISSING_CASE(INTEL_GEN(i915)); - /* fall-through */ + fallthrough; case 11: case 12: icl_get_stolen_reserved(i915, uncore, diff --git a/drivers/gpu/drm/i915/gem/i915_gem_userptr.c b/drivers/gpu/drm/i915/gem/i915_gem_userptr.c index 2c2bf24140c972..12b30075134a81 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_userptr.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_userptr.c @@ -596,14 +596,6 @@ static int i915_gem_userptr_get_pages(struct drm_i915_gem_object *obj) GFP_KERNEL | __GFP_NORETRY | __GFP_NOWARN); - /* - * Using __get_user_pages_fast() with a read-only - * access is questionable. A read-only page may be - * COW-broken, and then this might end up giving - * the wrong side of the COW.. - * - * We may or may not care. - */ if (pvec) { /* defer to worker if malloc fails */ if (!i915_gem_object_is_readonly(obj)) diff --git a/drivers/gpu/drm/i915/gem/selftests/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/gem/selftests/i915_gem_execbuffer.c index 57c14d3340cde5..a49016f8ee0dc0 100644 --- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_execbuffer.c +++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_execbuffer.c @@ -37,14 +37,20 @@ static int __igt_gpu_reloc(struct i915_execbuffer *eb, return err; /* 8-Byte aligned */ - err = __reloc_entry_gpu(eb, vma, offsets[0] * sizeof(u32), 0); - if (err) + if (!__reloc_entry_gpu(eb, vma, + offsets[0] * sizeof(u32), + 0)) { + err = -EIO; goto unpin_vma; + } /* !8-Byte aligned */ - err = __reloc_entry_gpu(eb, vma, offsets[1] * sizeof(u32), 1); - if (err) + if (!__reloc_entry_gpu(eb, vma, + offsets[1] * sizeof(u32), + 1)) { + err = -EIO; goto unpin_vma; + } /* Skip to the end of the cmd page */ i = PAGE_SIZE / sizeof(u32) - RELOC_TAIL - 1; @@ -54,9 +60,12 @@ static int __igt_gpu_reloc(struct i915_execbuffer *eb, eb->reloc_cache.rq_size += i; /* Force batch chaining */ - err = __reloc_entry_gpu(eb, vma, offsets[2] * sizeof(u32), 2); - if (err) + if (!__reloc_entry_gpu(eb, vma, + offsets[2] * sizeof(u32), + 2)) { + err = -EIO; goto unpin_vma; + } GEM_BUG_ON(!eb->reloc_cache.rq); rq = i915_request_get(eb->reloc_cache.rq); diff --git a/drivers/gpu/drm/i915/gt/intel_engine_cs.c b/drivers/gpu/drm/i915/gt/intel_engine_cs.c index dd1a42c4d344ee..26087dd7978245 100644 --- a/drivers/gpu/drm/i915/gt/intel_engine_cs.c +++ b/drivers/gpu/drm/i915/gt/intel_engine_cs.c @@ -213,7 +213,7 @@ u32 intel_engine_context_size(struct intel_gt *gt, u8 class) break; default: MISSING_CASE(class); - /* fall through */ + fallthrough; case VIDEO_DECODE_CLASS: case VIDEO_ENHANCEMENT_CLASS: case COPY_ENGINE_CLASS: diff --git a/drivers/gpu/drm/i915/gt/intel_ggtt.c b/drivers/gpu/drm/i915/gt/intel_ggtt.c index 62979ea591f05b..99e28d9021e812 100644 --- a/drivers/gpu/drm/i915/gt/intel_ggtt.c +++ b/drivers/gpu/drm/i915/gt/intel_ggtt.c @@ -1437,7 +1437,7 @@ i915_get_ggtt_vma_pages(struct i915_vma *vma) switch (vma->ggtt_view.type) { default: GEM_BUG_ON(vma->ggtt_view.type); - /* fall through */ + fallthrough; case I915_GGTT_VIEW_NORMAL: vma->pages = vma->obj->mm.pages; return 0; diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.c b/drivers/gpu/drm/i915/gt/intel_lrc.c index 24322ef08aa40e..9eeaca957a7e21 100644 --- a/drivers/gpu/drm/i915/gt/intel_lrc.c +++ b/drivers/gpu/drm/i915/gt/intel_lrc.c @@ -2060,6 +2060,14 @@ static inline void clear_ports(struct i915_request **ports, int count) memset_p((void **)ports, NULL, count); } +static inline void +copy_ports(struct i915_request **dst, struct i915_request **src, int count) +{ + /* A memcpy_p() would be very useful here! */ + while (count--) + WRITE_ONCE(*dst++, *src++); /* avoid write tearing */ +} + static void execlists_dequeue(struct intel_engine_cs *engine) { struct intel_engine_execlists * const execlists = &engine->execlists; @@ -2648,10 +2656,9 @@ static void process_csb(struct intel_engine_cs *engine) /* switch pending to inflight */ GEM_BUG_ON(!assert_pending_valid(execlists, "promote")); - memcpy(execlists->inflight, - execlists->pending, - execlists_num_ports(execlists) * - sizeof(*execlists->pending)); + copy_ports(execlists->inflight, + execlists->pending, + execlists_num_ports(execlists)); smp_wmb(); /* complete the seqlock */ WRITE_ONCE(execlists->active, execlists->inflight); diff --git a/drivers/gpu/drm/i915/gt/intel_ring_submission.c b/drivers/gpu/drm/i915/gt/intel_ring_submission.c index 94915f668715d7..898593ca48898d 100644 --- a/drivers/gpu/drm/i915/gt/intel_ring_submission.c +++ b/drivers/gpu/drm/i915/gt/intel_ring_submission.c @@ -100,7 +100,7 @@ static void set_hwsp(struct intel_engine_cs *engine, u32 offset) */ default: GEM_BUG_ON(engine->id); - /* fallthrough */ + fallthrough; case RCS0: hwsp = RENDER_HWS_PGA_GEN7; break; diff --git a/drivers/gpu/drm/i915/gvt/handlers.c b/drivers/gpu/drm/i915/gvt/handlers.c index 63bba7b4bb2fbe..05f3bc98d242d3 100644 --- a/drivers/gpu/drm/i915/gvt/handlers.c +++ b/drivers/gpu/drm/i915/gvt/handlers.c @@ -1226,7 +1226,7 @@ static int handle_g2v_notification(struct intel_vgpu *vgpu, int notification) switch (notification) { case VGT_G2V_PPGTT_L3_PAGE_TABLE_CREATE: root_entry_type = GTT_TYPE_PPGTT_ROOT_L3_ENTRY; - /* fall through */ + fallthrough; case VGT_G2V_PPGTT_L4_PAGE_TABLE_CREATE: mm = intel_vgpu_get_ppgtt_mm(vgpu, root_entry_type, pdps); return PTR_ERR_OR_ZERO(mm); diff --git a/drivers/gpu/drm/i915/gvt/vgpu.c b/drivers/gpu/drm/i915/gvt/vgpu.c index 8fa9b31a248401..f6d7e33c7099e7 100644 --- a/drivers/gpu/drm/i915/gvt/vgpu.c +++ b/drivers/gpu/drm/i915/gvt/vgpu.c @@ -368,6 +368,7 @@ void intel_gvt_destroy_idle_vgpu(struct intel_vgpu *vgpu) static struct intel_vgpu *__intel_gvt_create_vgpu(struct intel_gvt *gvt, struct intel_vgpu_creation_params *param) { + struct drm_i915_private *dev_priv = gvt->gt->i915; struct intel_vgpu *vgpu; int ret; @@ -436,7 +437,10 @@ static struct intel_vgpu *__intel_gvt_create_vgpu(struct intel_gvt *gvt, if (ret) goto out_clean_sched_policy; - ret = intel_gvt_hypervisor_set_edid(vgpu, PORT_D); + if (IS_BROADWELL(dev_priv)) + ret = intel_gvt_hypervisor_set_edid(vgpu, PORT_B); + else + ret = intel_gvt_hypervisor_set_edid(vgpu, PORT_D); if (ret) goto out_clean_sched_policy; diff --git a/drivers/gpu/drm/i915/i915_cmd_parser.c b/drivers/gpu/drm/i915/i915_cmd_parser.c index 372354d33f5521..5ac4a999f05a6e 100644 --- a/drivers/gpu/drm/i915/i915_cmd_parser.c +++ b/drivers/gpu/drm/i915/i915_cmd_parser.c @@ -1204,6 +1204,12 @@ static u32 *copy_batch(struct drm_i915_gem_object *dst_obj, return dst; } +static inline bool cmd_desc_is(const struct drm_i915_cmd_descriptor * const desc, + const u32 cmd) +{ + return desc->cmd.value == (cmd & desc->cmd.mask); +} + static bool check_cmd(const struct intel_engine_cs *engine, const struct drm_i915_cmd_descriptor *desc, const u32 *cmd, u32 length) @@ -1242,19 +1248,19 @@ static bool check_cmd(const struct intel_engine_cs *engine, * allowed mask/value pair given in the whitelist entry. */ if (reg->mask) { - if (desc->cmd.value == MI_LOAD_REGISTER_MEM) { + if (cmd_desc_is(desc, MI_LOAD_REGISTER_MEM)) { DRM_DEBUG("CMD: Rejected LRM to masked register 0x%08X\n", reg_addr); return false; } - if (desc->cmd.value == MI_LOAD_REGISTER_REG) { + if (cmd_desc_is(desc, MI_LOAD_REGISTER_REG)) { DRM_DEBUG("CMD: Rejected LRR to masked register 0x%08X\n", reg_addr); return false; } - if (desc->cmd.value == MI_LOAD_REGISTER_IMM(1) && + if (cmd_desc_is(desc, MI_LOAD_REGISTER_IMM(1)) && (offset + 2 > length || (cmd[offset + 1] & reg->mask) != reg->value)) { DRM_DEBUG("CMD: Rejected LRI to masked register 0x%08X\n", @@ -1478,7 +1484,7 @@ int intel_engine_cmd_parser(struct intel_engine_cs *engine, break; } - if (desc->cmd.value == MI_BATCH_BUFFER_START) { + if (cmd_desc_is(desc, MI_BATCH_BUFFER_START)) { ret = check_bbstart(cmd, offset, length, batch_length, batch_addr, shadow_addr, jump_whitelist); diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c b/drivers/gpu/drm/i915/i915_gpu_error.c index 6a3a2ce0b39478..3e6cbb0d1150eb 100644 --- a/drivers/gpu/drm/i915/i915_gpu_error.c +++ b/drivers/gpu/drm/i915/i915_gpu_error.c @@ -1159,7 +1159,7 @@ static void engine_record_registers(struct intel_engine_coredump *ee) switch (engine->id) { default: MISSING_CASE(engine->id); - /* fall through */ + fallthrough; case RCS0: mmio = RENDER_HWS_PGA_GEN7; break; diff --git a/drivers/gpu/drm/i915/i915_pmu.c b/drivers/gpu/drm/i915/i915_pmu.c index 056994224c6bc4..69c0fa20eba17b 100644 --- a/drivers/gpu/drm/i915/i915_pmu.c +++ b/drivers/gpu/drm/i915/i915_pmu.c @@ -474,7 +474,7 @@ config_status(struct drm_i915_private *i915, u64 config) if (IS_VALLEYVIEW(i915) || IS_CHERRYVIEW(i915)) /* Requires a mutex for sampling! */ return -ENODEV; - /* Fall-through. */ + fallthrough; case I915_PMU_REQUESTED_FREQUENCY: if (INTEL_GEN(i915) < 6) return -ENODEV; diff --git a/drivers/gpu/drm/i915/i915_request.c b/drivers/gpu/drm/i915/i915_request.c index 0b2fe55e619457..781a6783affe92 100644 --- a/drivers/gpu/drm/i915/i915_request.c +++ b/drivers/gpu/drm/i915/i915_request.c @@ -388,17 +388,38 @@ static bool __request_in_flight(const struct i915_request *signal) * As we know that there are always preemption points between * requests, we know that only the currently executing request * may be still active even though we have cleared the flag. - * However, we can't rely on our tracking of ELSP[0] to known + * However, we can't rely on our tracking of ELSP[0] to know * which request is currently active and so maybe stuck, as * the tracking maybe an event behind. Instead assume that * if the context is still inflight, then it is still active * even if the active flag has been cleared. + * + * To further complicate matters, if there a pending promotion, the HW + * may either perform a context switch to the second inflight execlists, + * or it may switch to the pending set of execlists. In the case of the + * latter, it may send the ACK and we process the event copying the + * pending[] over top of inflight[], _overwriting_ our *active. Since + * this implies the HW is arbitrating and not struck in *active, we do + * not worry about complete accuracy, but we do require no read/write + * tearing of the pointer [the read of the pointer must be valid, even + * as the array is being overwritten, for which we require the writes + * to avoid tearing.] + * + * Note that the read of *execlists->active may race with the promotion + * of execlists->pending[] to execlists->inflight[], overwritting + * the value at *execlists->active. This is fine. The promotion implies + * that we received an ACK from the HW, and so the context is not + * stuck -- if we do not see ourselves in *active, the inflight status + * is valid. If instead we see ourselves being copied into *active, + * we are inflight and may signal the callback. */ if (!intel_context_inflight(signal->context)) return false; rcu_read_lock(); - for (port = __engine_active(signal->engine); (rq = *port); port++) { + for (port = __engine_active(signal->engine); + (rq = READ_ONCE(*port)); /* may race with promotion of pending[] */ + port++) { if (rq->context == signal->context) { inflight = i915_seqno_passed(rq->fence.seqno, signal->fence.seqno); diff --git a/drivers/gpu/drm/i915/i915_sw_fence.c b/drivers/gpu/drm/i915/i915_sw_fence.c index 295b9829e2da51..4cd2038cbe3599 100644 --- a/drivers/gpu/drm/i915/i915_sw_fence.c +++ b/drivers/gpu/drm/i915/i915_sw_fence.c @@ -164,9 +164,13 @@ static void __i915_sw_fence_wake_up_all(struct i915_sw_fence *fence, do { list_for_each_entry_safe(pos, next, &x->head, entry) { - pos->func(pos, - TASK_NORMAL, fence->error, - &extra); + int wake_flags; + + wake_flags = fence->error; + if (pos->func == autoremove_wake_function) + wake_flags = 0; + + pos->func(pos, TASK_NORMAL, wake_flags, &extra); } if (list_empty(&extra)) diff --git a/drivers/gpu/drm/i915/selftests/mock_gem_device.c b/drivers/gpu/drm/i915/selftests/mock_gem_device.c index f127e633f7ca81..397c313a8b6929 100644 --- a/drivers/gpu/drm/i915/selftests/mock_gem_device.c +++ b/drivers/gpu/drm/i915/selftests/mock_gem_device.c @@ -118,11 +118,11 @@ static struct dev_pm_domain pm_domain = { struct drm_i915_private *mock_gem_device(void) { - struct drm_i915_private *i915; - struct pci_dev *pdev; #if IS_ENABLED(CONFIG_IOMMU_API) && defined(CONFIG_INTEL_IOMMU) - struct dev_iommu iommu; + static struct dev_iommu fake_iommu = { .priv = (void *)-1 }; #endif + struct drm_i915_private *i915; + struct pci_dev *pdev; int err; pdev = kzalloc(sizeof(*pdev), GFP_KERNEL); @@ -141,10 +141,8 @@ struct drm_i915_private *mock_gem_device(void) dma_coerce_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)); #if IS_ENABLED(CONFIG_IOMMU_API) && defined(CONFIG_INTEL_IOMMU) - /* HACK HACK HACK to disable iommu for the fake device; force identity mapping */ - memset(&iommu, 0, sizeof(iommu)); - iommu.priv = (void *)-1; - pdev->dev.iommu = &iommu; + /* HACK to disable iommu for the fake device; force identity mapping */ + pdev->dev.iommu = &fake_iommu; #endif pci_set_drvdata(pdev, i915); diff --git a/drivers/gpu/drm/imx/ipuv3-plane.c b/drivers/gpu/drm/imx/ipuv3-plane.c index 6776ebb3246d4d..8a4235d9d9f1e7 100644 --- a/drivers/gpu/drm/imx/ipuv3-plane.c +++ b/drivers/gpu/drm/imx/ipuv3-plane.c @@ -447,7 +447,7 @@ static int ipu_plane_atomic_check(struct drm_plane *plane, if (fb->pitches[1] != fb->pitches[2]) return -EINVAL; - /* fall-through */ + fallthrough; case DRM_FORMAT_NV12: case DRM_FORMAT_NV16: ubo = drm_plane_state_to_ubo(state); diff --git a/drivers/gpu/drm/ingenic/ingenic-drm-drv.c b/drivers/gpu/drm/ingenic/ingenic-drm-drv.c index ada990a7f911ad..b7074161ccf038 100644 --- a/drivers/gpu/drm/ingenic/ingenic-drm-drv.c +++ b/drivers/gpu/drm/ingenic/ingenic-drm-drv.c @@ -673,7 +673,7 @@ static void ingenic_drm_unbind_all(void *d) component_unbind_all(priv->dev, &priv->drm); } -static int ingenic_drm_bind(struct device *dev) +static int ingenic_drm_bind(struct device *dev, bool has_components) { struct platform_device *pdev = to_platform_device(dev); const struct jz_soc_info *soc_info; @@ -808,7 +808,7 @@ static int ingenic_drm_bind(struct device *dev) return ret; } - if (IS_ENABLED(CONFIG_DRM_INGENIC_IPU)) { + if (IS_ENABLED(CONFIG_DRM_INGENIC_IPU) && has_components) { ret = component_bind_all(dev, drm); if (ret) { if (ret != -EPROBE_DEFER) @@ -939,6 +939,11 @@ err_pixclk_disable: return ret; } +static int ingenic_drm_bind_with_components(struct device *dev) +{ + return ingenic_drm_bind(dev, true); +} + static int compare_of(struct device *dev, void *data) { return dev->of_node == data; @@ -957,7 +962,7 @@ static void ingenic_drm_unbind(struct device *dev) } static const struct component_master_ops ingenic_master_ops = { - .bind = ingenic_drm_bind, + .bind = ingenic_drm_bind_with_components, .unbind = ingenic_drm_unbind, }; @@ -968,16 +973,15 @@ static int ingenic_drm_probe(struct platform_device *pdev) struct device_node *np; if (!IS_ENABLED(CONFIG_DRM_INGENIC_IPU)) - return ingenic_drm_bind(dev); + return ingenic_drm_bind(dev, false); /* IPU is at port address 8 */ np = of_graph_get_remote_node(dev->of_node, 8, 0); - if (!np) { - dev_err(dev, "Unable to get IPU node\n"); - return -EINVAL; - } + if (!np) + return ingenic_drm_bind(dev, false); drm_of_component_match_add(dev, &match, compare_of, np); + of_node_put(np); return component_master_add_with_match(dev, &ingenic_master_ops, match); } diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c index 3fc5511330b9fd..4d29568be3f53e 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c @@ -831,13 +831,19 @@ int mtk_drm_crtc_create(struct drm_device *drm_dev, drm_crtc_index(&mtk_crtc->base)); mtk_crtc->cmdq_client = NULL; } - ret = of_property_read_u32_index(priv->mutex_node, - "mediatek,gce-events", - drm_crtc_index(&mtk_crtc->base), - &mtk_crtc->cmdq_event); - if (ret) - dev_dbg(dev, "mtk_crtc %d failed to get mediatek,gce-events property\n", - drm_crtc_index(&mtk_crtc->base)); + + if (mtk_crtc->cmdq_client) { + ret = of_property_read_u32_index(priv->mutex_node, + "mediatek,gce-events", + drm_crtc_index(&mtk_crtc->base), + &mtk_crtc->cmdq_event); + if (ret) { + dev_dbg(dev, "mtk_crtc %d failed to get mediatek,gce-events property\n", + drm_crtc_index(&mtk_crtc->base)); + cmdq_mbox_destroy(mtk_crtc->cmdq_client); + mtk_crtc->cmdq_client = NULL; + } + } #endif return 0; } diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c index 57c88de9a32934..526648885b97ef 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c @@ -496,6 +496,7 @@ int mtk_ddp_comp_init(struct device *dev, struct device_node *node, #if IS_REACHABLE(CONFIG_MTK_CMDQ) if (of_address_to_resource(node, 0, &res) != 0) { dev_err(dev, "Missing reg in %s node\n", node->full_name); + put_device(&larb_pdev->dev); return -EINVAL; } comp->regs_pa = res.start; diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c index 040a8f393fe24d..2d982740b1a4c5 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c @@ -27,7 +27,6 @@ #include "mtk_drm_crtc.h" #include "mtk_drm_ddp.h" -#include "mtk_drm_ddp.h" #include "mtk_drm_ddp_comp.h" #include "mtk_drm_drv.h" #include "mtk_drm_gem.h" @@ -165,7 +164,7 @@ static int mtk_drm_kms_init(struct drm_device *drm) ret = drmm_mode_config_init(drm); if (ret) - return ret; + goto put_mutex_dev; drm->mode_config.min_width = 64; drm->mode_config.min_height = 64; @@ -182,7 +181,7 @@ static int mtk_drm_kms_init(struct drm_device *drm) ret = component_bind_all(drm->dev, drm); if (ret) - return ret; + goto put_mutex_dev; /* * We currently support two fixed data streams, each optional, @@ -229,7 +228,7 @@ static int mtk_drm_kms_init(struct drm_device *drm) } if (!dma_dev->dma_parms) { ret = -ENOMEM; - goto err_component_unbind; + goto put_dma_dev; } ret = dma_set_max_seg_size(dma_dev, (unsigned int)DMA_BIT_MASK(32)); @@ -256,9 +255,12 @@ static int mtk_drm_kms_init(struct drm_device *drm) err_unset_dma_parms: if (private->dma_parms_allocated) dma_dev->dma_parms = NULL; +put_dma_dev: + put_device(private->dma_dev); err_component_unbind: component_unbind_all(drm->dev, drm); - +put_mutex_dev: + put_device(private->mutex_dev); return ret; } @@ -544,8 +546,13 @@ err_pm: pm_runtime_disable(dev); err_node: of_node_put(private->mutex_node); - for (i = 0; i < DDP_COMPONENT_ID_MAX; i++) + for (i = 0; i < DDP_COMPONENT_ID_MAX; i++) { of_node_put(private->comp_node[i]); + if (private->ddp_comp[i]) { + put_device(private->ddp_comp[i]->larb_dev); + private->ddp_comp[i] = NULL; + } + } return ret; } diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c b/drivers/gpu/drm/mediatek/mtk_dsi.c index 16fd99dcdacf83..80b7a082e87404 100644 --- a/drivers/gpu/drm/mediatek/mtk_dsi.c +++ b/drivers/gpu/drm/mediatek/mtk_dsi.c @@ -466,14 +466,13 @@ static void mtk_dsi_config_vdo_timing(struct mtk_dsi *dsi) horizontal_sync_active_byte = (vm->hsync_len * dsi_tmp_buf_bpp - 10); if (dsi->mode_flags & MIPI_DSI_MODE_VIDEO_SYNC_PULSE) - horizontal_backporch_byte = - (vm->hback_porch * dsi_tmp_buf_bpp - 10); + horizontal_backporch_byte = vm->hback_porch * dsi_tmp_buf_bpp; else - horizontal_backporch_byte = ((vm->hback_porch + vm->hsync_len) * - dsi_tmp_buf_bpp - 10); + horizontal_backporch_byte = (vm->hback_porch + vm->hsync_len) * + dsi_tmp_buf_bpp; data_phy_cycles = timing->lpx + timing->da_hs_prepare + - timing->da_hs_zero + timing->da_hs_exit + 3; + timing->da_hs_zero + timing->da_hs_exit; if (dsi->mode_flags & MIPI_DSI_MODE_VIDEO_BURST) { if ((vm->hfront_porch + vm->hback_porch) * dsi_tmp_buf_bpp > diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi.c b/drivers/gpu/drm/mediatek/mtk_hdmi.c index f2e9b429960b98..a97725680d4ea4 100644 --- a/drivers/gpu/drm/mediatek/mtk_hdmi.c +++ b/drivers/gpu/drm/mediatek/mtk_hdmi.c @@ -1507,25 +1507,30 @@ static int mtk_hdmi_dt_parse_pdata(struct mtk_hdmi *hdmi, dev_err(dev, "Failed to get system configuration registers: %d\n", ret); - return ret; + goto put_device; } hdmi->sys_regmap = regmap; mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); hdmi->regs = devm_ioremap_resource(dev, mem); - if (IS_ERR(hdmi->regs)) - return PTR_ERR(hdmi->regs); + if (IS_ERR(hdmi->regs)) { + ret = PTR_ERR(hdmi->regs); + goto put_device; + } remote = of_graph_get_remote_node(np, 1, 0); - if (!remote) - return -EINVAL; + if (!remote) { + ret = -EINVAL; + goto put_device; + } if (!of_device_is_compatible(remote, "hdmi-connector")) { hdmi->next_bridge = of_drm_find_bridge(remote); if (!hdmi->next_bridge) { dev_err(dev, "Waiting for external bridge\n"); of_node_put(remote); - return -EPROBE_DEFER; + ret = -EPROBE_DEFER; + goto put_device; } } @@ -1534,7 +1539,8 @@ static int mtk_hdmi_dt_parse_pdata(struct mtk_hdmi *hdmi, dev_err(dev, "Failed to find ddc-i2c-bus node in %pOF\n", remote); of_node_put(remote); - return -EINVAL; + ret = -EINVAL; + goto put_device; } of_node_put(remote); @@ -1542,10 +1548,14 @@ static int mtk_hdmi_dt_parse_pdata(struct mtk_hdmi *hdmi, of_node_put(i2c_np); if (!hdmi->ddc_adpt) { dev_err(dev, "Failed to get ddc i2c adapter by node\n"); - return -EINVAL; + ret = -EINVAL; + goto put_device; } return 0; +put_device: + put_device(hdmi->cec_dev); + return ret; } /* diff --git a/drivers/gpu/drm/meson/meson_osd_afbcd.c b/drivers/gpu/drm/meson/meson_osd_afbcd.c index f12e0271f16655..ffc6b584dbf85d 100644 --- a/drivers/gpu/drm/meson/meson_osd_afbcd.c +++ b/drivers/gpu/drm/meson/meson_osd_afbcd.c @@ -205,7 +205,7 @@ static int meson_g12a_afbcd_pixel_fmt(u64 modifier, uint32_t format) /* YTR is forbidden for non XBGR formats */ if (modifier & AFBC_FORMAT_MOD_YTR) return -EINVAL; - /* fall through */ + fallthrough; case DRM_FORMAT_XBGR8888: case DRM_FORMAT_ABGR8888: return MAFBC_FMT_RGBA8888; diff --git a/drivers/gpu/drm/meson/meson_overlay.c b/drivers/gpu/drm/meson/meson_overlay.c index a8bcc70644dff5..1ffbbecafa22ba 100644 --- a/drivers/gpu/drm/meson/meson_overlay.c +++ b/drivers/gpu/drm/meson/meson_overlay.c @@ -654,7 +654,7 @@ static void meson_overlay_atomic_update(struct drm_plane *plane, priv->viu.vd1_addr2, priv->viu.vd1_stride2, priv->viu.vd1_height2); - /* fallthrough */ + fallthrough; case 2: gem = drm_fb_cma_get_gem_obj(fb, 1); priv->viu.vd1_addr1 = gem->paddr + fb->offsets[1]; @@ -666,7 +666,7 @@ static void meson_overlay_atomic_update(struct drm_plane *plane, priv->viu.vd1_addr1, priv->viu.vd1_stride1, priv->viu.vd1_height1); - /* fallthrough */ + fallthrough; case 1: gem = drm_fb_cma_get_gem_obj(fb, 0); priv->viu.vd1_addr0 = gem->paddr + fb->offsets[0]; diff --git a/drivers/gpu/drm/msm/adreno/a2xx_gpu.c b/drivers/gpu/drm/msm/adreno/a2xx_gpu.c index 6021f8d9efd1fb..48fa49f69d6d0a 100644 --- a/drivers/gpu/drm/msm/adreno/a2xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a2xx_gpu.c @@ -164,6 +164,11 @@ static int a2xx_hw_init(struct msm_gpu *gpu) if (ret) return ret; + gpu_write(gpu, REG_AXXX_CP_RB_CNTL, + MSM_GPU_RB_CNTL_DEFAULT | AXXX_CP_RB_CNTL_NO_UPDATE); + + gpu_write(gpu, REG_AXXX_CP_RB_BASE, lower_32_bits(gpu->rb[0]->iova)); + /* NOTE: PM4/micro-engine firmware registers look to be the same * for a2xx and a3xx.. we could possibly push that part down to * adreno_gpu base class. Or push both PM4 and PFP but diff --git a/drivers/gpu/drm/msm/adreno/a3xx_gpu.c b/drivers/gpu/drm/msm/adreno/a3xx_gpu.c index 0a5ea9f56cb886..f6471145a7a607 100644 --- a/drivers/gpu/drm/msm/adreno/a3xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a3xx_gpu.c @@ -211,6 +211,16 @@ static int a3xx_hw_init(struct msm_gpu *gpu) if (ret) return ret; + /* + * Use the default ringbuffer size and block size but disable the RPTR + * shadow + */ + gpu_write(gpu, REG_AXXX_CP_RB_CNTL, + MSM_GPU_RB_CNTL_DEFAULT | AXXX_CP_RB_CNTL_NO_UPDATE); + + /* Set the ringbuffer address */ + gpu_write(gpu, REG_AXXX_CP_RB_BASE, lower_32_bits(gpu->rb[0]->iova)); + /* setup access protection: */ gpu_write(gpu, REG_A3XX_CP_PROTECT_CTRL, 0x00000007); diff --git a/drivers/gpu/drm/msm/adreno/a4xx_gpu.c b/drivers/gpu/drm/msm/adreno/a4xx_gpu.c index b9b26b2bf9c548..95475360062547 100644 --- a/drivers/gpu/drm/msm/adreno/a4xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a4xx_gpu.c @@ -267,6 +267,16 @@ static int a4xx_hw_init(struct msm_gpu *gpu) if (ret) return ret; + /* + * Use the default ringbuffer size and block size but disable the RPTR + * shadow + */ + gpu_write(gpu, REG_A4XX_CP_RB_CNTL, + MSM_GPU_RB_CNTL_DEFAULT | AXXX_CP_RB_CNTL_NO_UPDATE); + + /* Set the ringbuffer address */ + gpu_write(gpu, REG_A4XX_CP_RB_BASE, lower_32_bits(gpu->rb[0]->iova)); + /* Load PM4: */ ptr = (uint32_t *)(adreno_gpu->fw[ADRENO_FW_PM4]->data); len = adreno_gpu->fw[ADRENO_FW_PM4]->size / 4; diff --git a/drivers/gpu/drm/msm/adreno/a5xx_gpu.c b/drivers/gpu/drm/msm/adreno/a5xx_gpu.c index 9e63a190642cc4..91726da82ed67a 100644 --- a/drivers/gpu/drm/msm/adreno/a5xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a5xx_gpu.c @@ -59,7 +59,7 @@ static void a5xx_submit_in_rb(struct msm_gpu *gpu, struct msm_gem_submit *submit case MSM_SUBMIT_CMD_CTX_RESTORE_BUF: if (priv->lastctx == ctx) break; - /* fall-thru */ + fallthrough; case MSM_SUBMIT_CMD_BUF: /* copy commands into RB: */ obj = submit->bos[submit->cmd[i].idx].obj; @@ -150,7 +150,7 @@ static void a5xx_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit, case MSM_SUBMIT_CMD_CTX_RESTORE_BUF: if (priv->lastctx == ctx) break; - /* fall-thru */ + fallthrough; case MSM_SUBMIT_CMD_BUF: OUT_PKT7(ring, CP_INDIRECT_BUFFER_PFE, 3); OUT_RING(ring, lower_32_bits(submit->cmd[i].iova)); @@ -703,8 +703,6 @@ static int a5xx_hw_init(struct msm_gpu *gpu) if (ret) return ret; - a5xx_preempt_hw_init(gpu); - if (!adreno_is_a510(adreno_gpu)) a5xx_gpmu_ucode_init(gpu); @@ -712,6 +710,15 @@ static int a5xx_hw_init(struct msm_gpu *gpu) if (ret) return ret; + /* Set the ringbuffer address */ + gpu_write64(gpu, REG_A5XX_CP_RB_BASE, REG_A5XX_CP_RB_BASE_HI, + gpu->rb[0]->iova); + + gpu_write(gpu, REG_A5XX_CP_RB_CNTL, + MSM_GPU_RB_CNTL_DEFAULT | AXXX_CP_RB_CNTL_NO_UPDATE); + + a5xx_preempt_hw_init(gpu); + /* Disable the interrupts through the initial bringup stage */ gpu_write(gpu, REG_A5XX_RBBM_INT_0_MASK, A5XX_INT_MASK); @@ -1511,7 +1518,8 @@ struct msm_gpu *a5xx_gpu_init(struct drm_device *dev) check_speed_bin(&pdev->dev); - ret = adreno_gpu_init(dev, pdev, adreno_gpu, &funcs, 4); + /* Restricting nr_rings to 1 to temporarily disable preemption */ + ret = adreno_gpu_init(dev, pdev, adreno_gpu, &funcs, 1); if (ret) { a5xx_destroy(&(a5xx_gpu->base.base)); return ERR_PTR(ret); diff --git a/drivers/gpu/drm/msm/adreno/a5xx_gpu.h b/drivers/gpu/drm/msm/adreno/a5xx_gpu.h index 54868d4e3958f3..1e5b1a15a70f02 100644 --- a/drivers/gpu/drm/msm/adreno/a5xx_gpu.h +++ b/drivers/gpu/drm/msm/adreno/a5xx_gpu.h @@ -31,6 +31,7 @@ struct a5xx_gpu { struct msm_ringbuffer *next_ring; struct drm_gem_object *preempt_bo[MSM_GPU_MAX_RINGS]; + struct drm_gem_object *preempt_counters_bo[MSM_GPU_MAX_RINGS]; struct a5xx_preempt_record *preempt[MSM_GPU_MAX_RINGS]; uint64_t preempt_iova[MSM_GPU_MAX_RINGS]; diff --git a/drivers/gpu/drm/msm/adreno/a5xx_preempt.c b/drivers/gpu/drm/msm/adreno/a5xx_preempt.c index 9cf9353a7ff113..9f3fe177b00e93 100644 --- a/drivers/gpu/drm/msm/adreno/a5xx_preempt.c +++ b/drivers/gpu/drm/msm/adreno/a5xx_preempt.c @@ -226,19 +226,31 @@ static int preempt_init_ring(struct a5xx_gpu *a5xx_gpu, struct adreno_gpu *adreno_gpu = &a5xx_gpu->base; struct msm_gpu *gpu = &adreno_gpu->base; struct a5xx_preempt_record *ptr; - struct drm_gem_object *bo = NULL; - u64 iova = 0; + void *counters; + struct drm_gem_object *bo = NULL, *counters_bo = NULL; + u64 iova = 0, counters_iova = 0; ptr = msm_gem_kernel_new(gpu->dev, A5XX_PREEMPT_RECORD_SIZE + A5XX_PREEMPT_COUNTER_SIZE, - MSM_BO_UNCACHED, gpu->aspace, &bo, &iova); + MSM_BO_UNCACHED | MSM_BO_MAP_PRIV, gpu->aspace, &bo, &iova); if (IS_ERR(ptr)) return PTR_ERR(ptr); + /* The buffer to store counters needs to be unprivileged */ + counters = msm_gem_kernel_new(gpu->dev, + A5XX_PREEMPT_COUNTER_SIZE, + MSM_BO_UNCACHED, gpu->aspace, &counters_bo, &counters_iova); + if (IS_ERR(counters)) { + msm_gem_kernel_put(bo, gpu->aspace, true); + return PTR_ERR(counters); + } + msm_gem_object_set_name(bo, "preempt"); + msm_gem_object_set_name(counters_bo, "preempt_counters"); a5xx_gpu->preempt_bo[ring->id] = bo; + a5xx_gpu->preempt_counters_bo[ring->id] = counters_bo; a5xx_gpu->preempt_iova[ring->id] = iova; a5xx_gpu->preempt[ring->id] = ptr; @@ -249,7 +261,7 @@ static int preempt_init_ring(struct a5xx_gpu *a5xx_gpu, ptr->data = 0; ptr->cntl = MSM_GPU_RB_CNTL_DEFAULT; ptr->rptr_addr = rbmemptr(ring, rptr); - ptr->counter = iova + A5XX_PREEMPT_RECORD_SIZE; + ptr->counter = counters_iova; return 0; } @@ -260,8 +272,11 @@ void a5xx_preempt_fini(struct msm_gpu *gpu) struct a5xx_gpu *a5xx_gpu = to_a5xx_gpu(adreno_gpu); int i; - for (i = 0; i < gpu->nr_rings; i++) + for (i = 0; i < gpu->nr_rings; i++) { msm_gem_kernel_put(a5xx_gpu->preempt_bo[i], gpu->aspace, true); + msm_gem_kernel_put(a5xx_gpu->preempt_counters_bo[i], + gpu->aspace, true); + } } void a5xx_preempt_init(struct msm_gpu *gpu) diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gmu.c b/drivers/gpu/drm/msm/adreno/a6xx_gmu.c index b67b38c8fadf73..e1c7bcd1b1eb7b 100644 --- a/drivers/gpu/drm/msm/adreno/a6xx_gmu.c +++ b/drivers/gpu/drm/msm/adreno/a6xx_gmu.c @@ -133,7 +133,7 @@ void a6xx_gmu_set_freq(struct msm_gpu *gpu, struct dev_pm_opp *opp) if (!gmu->legacy) { a6xx_hfi_set_freq(gmu, perf_index); - icc_set_bw(gpu->icc_path, 0, MBps_to_icc(7216)); + dev_pm_opp_set_bw(&gpu->pdev->dev, opp); pm_runtime_put(gmu->dev); return; } @@ -157,11 +157,7 @@ void a6xx_gmu_set_freq(struct msm_gpu *gpu, struct dev_pm_opp *opp) if (ret) dev_err(gmu->dev, "GMU set GPU frequency error: %d\n", ret); - /* - * Eventually we will want to scale the path vote with the frequency but - * for now leave it at max so that the performance is nominal. - */ - icc_set_bw(gpu->icc_path, 0, MBps_to_icc(7216)); + dev_pm_opp_set_bw(&gpu->pdev->dev, opp); pm_runtime_put(gmu->dev); } @@ -204,6 +200,16 @@ static int a6xx_gmu_start(struct a6xx_gmu *gmu) { int ret; u32 val; + u32 mask, reset_val; + + val = gmu_read(gmu, REG_A6XX_GMU_CM3_DTCM_START + 0xff8); + if (val <= 0x20010004) { + mask = 0xffffffff; + reset_val = 0xbabeface; + } else { + mask = 0x1ff; + reset_val = 0x100; + } gmu_write(gmu, REG_A6XX_GMU_CM3_SYSRESET, 1); @@ -215,7 +221,7 @@ static int a6xx_gmu_start(struct a6xx_gmu *gmu) gmu_write(gmu, REG_A6XX_GMU_CM3_SYSRESET, 0); ret = gmu_poll_timeout(gmu, REG_A6XX_GMU_CM3_FW_INIT_RESULT, val, - val == 0xbabeface, 100, 10000); + (val & mask) == reset_val, 100, 10000); if (ret) DRM_DEV_ERROR(gmu->dev, "GMU firmware initialization timed out\n"); @@ -602,7 +608,7 @@ static void a6xx_gmu_power_config(struct a6xx_gmu *gmu) gmu_rmw(gmu, REG_A6XX_GMU_PWR_COL_INTER_FRAME_CTRL, 0, A6XX_GMU_PWR_COL_INTER_FRAME_CTRL_IFPC_ENABLE | A6XX_GMU_PWR_COL_INTER_FRAME_CTRL_HM_POWER_COLLAPSE_ENABLE); - /* Fall through */ + fallthrough; case GMU_IDLE_STATE_SPTP: gmu_write(gmu, REG_A6XX_GMU_PWR_COL_SPTPRAC_HYST, GMU_PWR_COL_HYST); @@ -845,10 +851,24 @@ static void a6xx_gmu_set_initial_freq(struct msm_gpu *gpu, struct a6xx_gmu *gmu) if (IS_ERR_OR_NULL(gpu_opp)) return; + gmu->freq = 0; /* so a6xx_gmu_set_freq() doesn't exit early */ a6xx_gmu_set_freq(gpu, gpu_opp); dev_pm_opp_put(gpu_opp); } +static void a6xx_gmu_set_initial_bw(struct msm_gpu *gpu, struct a6xx_gmu *gmu) +{ + struct dev_pm_opp *gpu_opp; + unsigned long gpu_freq = gmu->gpu_freqs[gmu->current_perf_index]; + + gpu_opp = dev_pm_opp_find_freq_exact(&gpu->pdev->dev, gpu_freq, true); + if (IS_ERR_OR_NULL(gpu_opp)) + return; + + dev_pm_opp_set_bw(&gpu->pdev->dev, gpu_opp); + dev_pm_opp_put(gpu_opp); +} + int a6xx_gmu_resume(struct a6xx_gpu *a6xx_gpu) { struct adreno_gpu *adreno_gpu = &a6xx_gpu->base; @@ -882,7 +902,7 @@ int a6xx_gmu_resume(struct a6xx_gpu *a6xx_gpu) } /* Set the bus quota to a reasonable value for boot */ - icc_set_bw(gpu->icc_path, 0, MBps_to_icc(3072)); + a6xx_gmu_set_initial_bw(gpu, gmu); /* Enable the GMU interrupt */ gmu_write(gmu, REG_A6XX_GMU_AO_HOST_INTERRUPT_CLR, ~0); @@ -1051,7 +1071,7 @@ int a6xx_gmu_stop(struct a6xx_gpu *a6xx_gpu) a6xx_gmu_shutdown(gmu); /* Remove the bus vote */ - icc_set_bw(gpu->icc_path, 0, 0); + dev_pm_opp_set_bw(&gpu->pdev->dev, NULL); /* * Make sure the GX domain is off before turning off the GMU (CX) diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c index c5a3e4d4c00785..66a95e22b7b3d5 100644 --- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c @@ -117,7 +117,7 @@ static void a6xx_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit, case MSM_SUBMIT_CMD_CTX_RESTORE_BUF: if (priv->lastctx == ctx) break; - /* fall-thru */ + fallthrough; case MSM_SUBMIT_CMD_BUF: OUT_PKT7(ring, CP_INDIRECT_BUFFER_PFE, 3); OUT_RING(ring, lower_32_bits(submit->cmd[i].iova)); @@ -678,7 +678,8 @@ static int a6xx_hw_init(struct msm_gpu *gpu) A6XX_PROTECT_RDONLY(0x980, 0x4)); gpu_write(gpu, REG_A6XX_CP_PROTECT(25), A6XX_PROTECT_RW(0xa630, 0x0)); - if (adreno_is_a650(adreno_gpu)) { + /* Enable expanded apriv for targets that support it */ + if (gpu->hw_apriv) { gpu_write(gpu, REG_A6XX_CP_APRIV_CNTL, (1 << 6) | (1 << 5) | (1 << 3) | (1 << 2) | (1 << 1)); } @@ -694,6 +695,13 @@ static int a6xx_hw_init(struct msm_gpu *gpu) if (ret) goto out; + /* Set the ringbuffer address */ + gpu_write64(gpu, REG_A6XX_CP_RB_BASE, REG_A6XX_CP_RB_BASE_HI, + gpu->rb[0]->iova); + + gpu_write(gpu, REG_A6XX_CP_RB_CNTL, + MSM_GPU_RB_CNTL_DEFAULT | AXXX_CP_RB_CNTL_NO_UPDATE); + /* Always come up on rb 0 */ a6xx_gpu->cur_ring = gpu->rb[0]; @@ -1056,6 +1064,9 @@ struct msm_gpu *a6xx_gpu_init(struct drm_device *dev) adreno_gpu->registers = NULL; adreno_gpu->reg_offsets = a6xx_register_offsets; + if (adreno_is_a650(adreno_gpu)) + adreno_gpu->base.hw_apriv = true; + ret = adreno_gpu_init(dev, pdev, adreno_gpu, &funcs, 1); if (ret) { a6xx_destroy(&(a6xx_gpu->base.base)); diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c index 959656ad69871b..b12f5b4a1bea91 100644 --- a/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c +++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c @@ -938,7 +938,8 @@ struct msm_gpu_state *a6xx_gpu_state_get(struct msm_gpu *gpu) msm_gem_kernel_put(dumper.bo, gpu->aspace, true); } - a6xx_get_debugbus(gpu, a6xx_state); + if (snapshot_debugbus) + a6xx_get_debugbus(gpu, a6xx_state); return &a6xx_state->base; } diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.h b/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.h index 846fd5b54c2302..2fb58b7098e4be 100644 --- a/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.h +++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.h @@ -372,7 +372,7 @@ static const struct a6xx_indexed_registers { u32 data; u32 count; } a6xx_indexed_reglist[] = { - { "CP_SEQ_STAT", REG_A6XX_CP_SQE_STAT_ADDR, + { "CP_SQE_STAT", REG_A6XX_CP_SQE_STAT_ADDR, REG_A6XX_CP_SQE_STAT_DATA, 0x33 }, { "CP_DRAW_STATE", REG_A6XX_CP_DRAW_STATE_ADDR, REG_A6XX_CP_DRAW_STATE_DATA, 0x100 }, diff --git a/drivers/gpu/drm/msm/adreno/adreno_device.c b/drivers/gpu/drm/msm/adreno/adreno_device.c index 4e84f3c76f4f5e..9eeb46bf2a5dcc 100644 --- a/drivers/gpu/drm/msm/adreno/adreno_device.c +++ b/drivers/gpu/drm/msm/adreno/adreno_device.c @@ -14,6 +14,10 @@ bool hang_debug = false; MODULE_PARM_DESC(hang_debug, "Dump registers when hang is detected (can be slow!)"); module_param_named(hang_debug, hang_debug, bool, 0600); +bool snapshot_debugbus = false; +MODULE_PARM_DESC(snapshot_debugbus, "Include debugbus sections in GPU devcoredump (if not fused off)"); +module_param_named(snapshot_debugbus, snapshot_debugbus, bool, 0600); + static const struct adreno_info gpulist[] = { { .rev = ADRENO_REV(2, 0, 0, 0), diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.c b/drivers/gpu/drm/msm/adreno/adreno_gpu.c index e23641a5ec841c..862dd35b27d3dc 100644 --- a/drivers/gpu/drm/msm/adreno/adreno_gpu.c +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.c @@ -396,30 +396,10 @@ int adreno_hw_init(struct msm_gpu *gpu) ring->next = ring->start; /* reset completed fence seqno: */ - ring->memptrs->fence = ring->seqno; + ring->memptrs->fence = ring->fctx->completed_fence; ring->memptrs->rptr = 0; } - /* - * Setup REG_CP_RB_CNTL. The same value is used across targets (with - * the excpetion of A430 that disables the RPTR shadow) - the cacluation - * for the ringbuffer size and block size is moved to msm_gpu.h for the - * pre-processor to deal with and the A430 variant is ORed in here - */ - adreno_gpu_write(adreno_gpu, REG_ADRENO_CP_RB_CNTL, - MSM_GPU_RB_CNTL_DEFAULT | - (adreno_is_a430(adreno_gpu) ? AXXX_CP_RB_CNTL_NO_UPDATE : 0)); - - /* Setup ringbuffer address - use ringbuffer[0] for GPU init */ - adreno_gpu_write64(adreno_gpu, REG_ADRENO_CP_RB_BASE, - REG_ADRENO_CP_RB_BASE_HI, gpu->rb[0]->iova); - - if (!adreno_is_a430(adreno_gpu)) { - adreno_gpu_write64(adreno_gpu, REG_ADRENO_CP_RB_RPTR_ADDR, - REG_ADRENO_CP_RB_RPTR_ADDR_HI, - rbmemptr(gpu->rb[0], rptr)); - } - return 0; } @@ -427,11 +407,8 @@ int adreno_hw_init(struct msm_gpu *gpu) static uint32_t get_rptr(struct adreno_gpu *adreno_gpu, struct msm_ringbuffer *ring) { - if (adreno_is_a430(adreno_gpu)) - return ring->memptrs->rptr = adreno_gpu_read( - adreno_gpu, REG_ADRENO_CP_RB_RPTR); - else - return ring->memptrs->rptr; + return ring->memptrs->rptr = adreno_gpu_read( + adreno_gpu, REG_ADRENO_CP_RB_RPTR); } struct msm_ringbuffer *adreno_active_ring(struct msm_gpu *gpu) @@ -474,7 +451,7 @@ void adreno_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit, /* ignore if there has not been a ctx switch: */ if (priv->lastctx == ctx) break; - /* fall-thru */ + fallthrough; case MSM_SUBMIT_CMD_BUF: OUT_PKT3(ring, adreno_is_a4xx(adreno_gpu) ? CP_INDIRECT_BUFFER_PFE : CP_INDIRECT_BUFFER_PFD, 2); diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.h b/drivers/gpu/drm/msm/adreno/adreno_gpu.h index 99bb468f5f245e..e55abae365b5a3 100644 --- a/drivers/gpu/drm/msm/adreno/adreno_gpu.h +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.h @@ -21,6 +21,8 @@ #define REG_SKIP ~0 #define REG_ADRENO_SKIP(_offset) [_offset] = REG_SKIP +extern bool snapshot_debugbus; + /** * adreno_regs: List of registers that are used in across all * 3D devices. Each device type has different offset value for the same diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c index f272a8d0f95b20..c2729f71e2fa73 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c @@ -827,7 +827,7 @@ static void dpu_crtc_enable(struct drm_crtc *crtc, { struct dpu_crtc *dpu_crtc; struct drm_encoder *encoder; - bool request_bandwidth; + bool request_bandwidth = false; if (!crtc) { DPU_ERROR("invalid crtc\n"); diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c index a97f6d2e5a089c..bd6def436c6579 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c @@ -599,7 +599,10 @@ static int dpu_encoder_virt_atomic_check( dpu_kms = to_dpu_kms(priv->kms); mode = &crtc_state->mode; adj_mode = &crtc_state->adjusted_mode; - global_state = dpu_kms_get_existing_global_state(dpu_kms); + global_state = dpu_kms_get_global_state(crtc_state->state); + if (IS_ERR(global_state)) + return PTR_ERR(global_state); + trace_dpu_enc_atomic_check(DRMID(drm_enc)); /* perform atomic check on the first physical encoder (master) */ @@ -625,12 +628,15 @@ static int dpu_encoder_virt_atomic_check( /* Reserve dynamic resources now. */ if (!ret) { /* - * Avoid reserving resources when mode set is pending. Topology - * info may not be available to complete reservation. + * Release and Allocate resources on every modeset + * Dont allocate when active is false. */ if (drm_atomic_crtc_needs_modeset(crtc_state)) { - ret = dpu_rm_reserve(&dpu_kms->rm, global_state, - drm_enc, crtc_state, topology); + dpu_rm_release(global_state, drm_enc); + + if (!crtc_state->active_changed || crtc_state->active) + ret = dpu_rm_reserve(&dpu_kms->rm, global_state, + drm_enc, crtc_state, topology); } } @@ -1181,7 +1187,6 @@ static void dpu_encoder_virt_disable(struct drm_encoder *drm_enc) struct dpu_encoder_virt *dpu_enc = NULL; struct msm_drm_private *priv; struct dpu_kms *dpu_kms; - struct dpu_global_state *global_state; int i = 0; if (!drm_enc) { @@ -1200,7 +1205,6 @@ static void dpu_encoder_virt_disable(struct drm_encoder *drm_enc) priv = drm_enc->dev->dev_private; dpu_kms = to_dpu_kms(priv->kms); - global_state = dpu_kms_get_existing_global_state(dpu_kms); trace_dpu_enc_disable(DRMID(drm_enc)); @@ -1230,8 +1234,6 @@ static void dpu_encoder_virt_disable(struct drm_encoder *drm_enc) DPU_DEBUG_ENC(dpu_enc, "encoder disabled\n"); - dpu_rm_release(global_state, drm_enc); - mutex_unlock(&dpu_enc->enc_lock); } diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c index 33f6c56f01edac..29e373d2e7b5dc 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c @@ -866,9 +866,9 @@ static int dpu_plane_atomic_check(struct drm_plane *plane, crtc_state = drm_atomic_get_new_crtc_state(state->state, state->crtc); - min_scale = FRAC_16_16(1, pdpu->pipe_sblk->maxdwnscale); + min_scale = FRAC_16_16(1, pdpu->pipe_sblk->maxupscale); ret = drm_atomic_helper_check_plane_state(state, crtc_state, min_scale, - pdpu->pipe_sblk->maxupscale << 16, + pdpu->pipe_sblk->maxdwnscale << 16, true, true); if (ret) { DPU_DEBUG_PLANE(pdpu, "Check plane state failed (%d)\n", ret); diff --git a/drivers/gpu/drm/msm/msm_atomic.c b/drivers/gpu/drm/msm/msm_atomic.c index 5ccfad794c6a5b..561bfa48841c33 100644 --- a/drivers/gpu/drm/msm/msm_atomic.c +++ b/drivers/gpu/drm/msm/msm_atomic.c @@ -27,6 +27,34 @@ int msm_atomic_prepare_fb(struct drm_plane *plane, return msm_framebuffer_prepare(new_state->fb, kms->aspace); } +/* + * Helpers to control vblanks while we flush.. basically just to ensure + * that vblank accounting is switched on, so we get valid seqn/timestamp + * on pageflip events (if requested) + */ + +static void vblank_get(struct msm_kms *kms, unsigned crtc_mask) +{ + struct drm_crtc *crtc; + + for_each_crtc_mask(kms->dev, crtc, crtc_mask) { + if (!crtc->state->active) + continue; + drm_crtc_vblank_get(crtc); + } +} + +static void vblank_put(struct msm_kms *kms, unsigned crtc_mask) +{ + struct drm_crtc *crtc; + + for_each_crtc_mask(kms->dev, crtc, crtc_mask) { + if (!crtc->state->active) + continue; + drm_crtc_vblank_put(crtc); + } +} + static void msm_atomic_async_commit(struct msm_kms *kms, int crtc_idx) { unsigned crtc_mask = BIT(crtc_idx); @@ -44,6 +72,8 @@ static void msm_atomic_async_commit(struct msm_kms *kms, int crtc_idx) kms->funcs->enable_commit(kms); + vblank_get(kms, crtc_mask); + /* * Flush hardware updates: */ @@ -58,6 +88,8 @@ static void msm_atomic_async_commit(struct msm_kms *kms, int crtc_idx) kms->funcs->wait_flush(kms, crtc_mask); trace_msm_atomic_wait_flush_finish(crtc_mask); + vblank_put(kms, crtc_mask); + mutex_lock(&kms->commit_lock); kms->funcs->complete_commit(kms, crtc_mask); mutex_unlock(&kms->commit_lock); @@ -221,6 +253,8 @@ void msm_atomic_commit_tail(struct drm_atomic_state *state) */ kms->pending_crtc_mask &= ~crtc_mask; + vblank_get(kms, crtc_mask); + /* * Flush hardware updates: */ @@ -235,6 +269,8 @@ void msm_atomic_commit_tail(struct drm_atomic_state *state) kms->funcs->wait_flush(kms, crtc_mask); trace_msm_atomic_wait_flush_finish(crtc_mask); + vblank_put(kms, crtc_mask); + mutex_lock(&kms->commit_lock); kms->funcs->complete_commit(kms, crtc_mask); mutex_unlock(&kms->commit_lock); diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c index 7d641c7e3514a7..79333842f70a1f 100644 --- a/drivers/gpu/drm/msm/msm_drv.c +++ b/drivers/gpu/drm/msm/msm_drv.c @@ -1320,6 +1320,13 @@ static int msm_pdev_remove(struct platform_device *pdev) return 0; } +static void msm_pdev_shutdown(struct platform_device *pdev) +{ + struct drm_device *drm = platform_get_drvdata(pdev); + + drm_atomic_helper_shutdown(drm); +} + static const struct of_device_id dt_match[] = { { .compatible = "qcom,mdp4", .data = (void *)KMS_MDP4 }, { .compatible = "qcom,mdss", .data = (void *)KMS_MDP5 }, @@ -1332,6 +1339,7 @@ MODULE_DEVICE_TABLE(of, dt_match); static struct platform_driver msm_platform_driver = { .probe = msm_pdev_probe, .remove = msm_pdev_remove, + .shutdown = msm_pdev_shutdown, .driver = { .name = "msm", .of_match_table = dt_match, diff --git a/drivers/gpu/drm/msm/msm_gpu.c b/drivers/gpu/drm/msm/msm_gpu.c index d5645472b25da4..57ddc9438351e9 100644 --- a/drivers/gpu/drm/msm/msm_gpu.c +++ b/drivers/gpu/drm/msm/msm_gpu.c @@ -908,7 +908,7 @@ int msm_gpu_init(struct drm_device *drm, struct platform_device *pdev, memptrs = msm_gem_kernel_new(drm, sizeof(struct msm_rbmemptrs) * nr_rings, - MSM_BO_UNCACHED, gpu->aspace, &gpu->memptrs_bo, + check_apriv(gpu, MSM_BO_UNCACHED), gpu->aspace, &gpu->memptrs_bo, &memptrs_iova); if (IS_ERR(memptrs)) { diff --git a/drivers/gpu/drm/msm/msm_gpu.h b/drivers/gpu/drm/msm/msm_gpu.h index 0db117a7339b69..37cffac4cbe342 100644 --- a/drivers/gpu/drm/msm/msm_gpu.h +++ b/drivers/gpu/drm/msm/msm_gpu.h @@ -15,6 +15,7 @@ #include "msm_drv.h" #include "msm_fence.h" #include "msm_ringbuffer.h" +#include "msm_gem.h" struct msm_gem_submit; struct msm_gpu_perfcntr; @@ -139,6 +140,8 @@ struct msm_gpu { } devfreq; struct msm_gpu_state *crashstate; + /* True if the hardware supports expanded apriv (a650 and newer) */ + bool hw_apriv; }; /* It turns out that all targets use the same ringbuffer size */ @@ -327,4 +330,12 @@ static inline void msm_gpu_crashstate_put(struct msm_gpu *gpu) mutex_unlock(&gpu->dev->struct_mutex); } +/* + * Simple macro to semi-cleanly add the MAP_PRIV flag for targets that can + * support expanded privileges + */ +#define check_apriv(gpu, flags) \ + (((gpu)->hw_apriv ? MSM_BO_MAP_PRIV : 0) | (flags)) + + #endif /* __MSM_GPU_H__ */ diff --git a/drivers/gpu/drm/msm/msm_ringbuffer.c b/drivers/gpu/drm/msm/msm_ringbuffer.c index e397c44cc01120..935bf9b1d94188 100644 --- a/drivers/gpu/drm/msm/msm_ringbuffer.c +++ b/drivers/gpu/drm/msm/msm_ringbuffer.c @@ -27,7 +27,8 @@ struct msm_ringbuffer *msm_ringbuffer_new(struct msm_gpu *gpu, int id, ring->id = id; ring->start = msm_gem_kernel_new(gpu->dev, MSM_GPU_RINGBUFFER_SZ, - MSM_BO_WC, gpu->aspace, &ring->bo, &ring->iova); + check_apriv(gpu, MSM_BO_WC | MSM_BO_GPU_READONLY), + gpu->aspace, &ring->bo, &ring->iova); if (IS_ERR(ring->start)) { ret = PTR_ERR(ring->start); diff --git a/drivers/gpu/drm/nouveau/dispnv50/core507d.c b/drivers/gpu/drm/nouveau/dispnv50/core507d.c index ad1f09a143aa48..248edf69e16831 100644 --- a/drivers/gpu/drm/nouveau/dispnv50/core507d.c +++ b/drivers/gpu/drm/nouveau/dispnv50/core507d.c @@ -50,7 +50,10 @@ core507d_update(struct nv50_core *core, u32 *interlock, bool ntfy) interlock[NV50_DISP_INTERLOCK_OVLY] | NVDEF(NV507D, UPDATE, NOT_DRIVER_FRIENDLY, FALSE) | NVDEF(NV507D, UPDATE, NOT_DRIVER_UNFRIENDLY, FALSE) | - NVDEF(NV507D, UPDATE, INHIBIT_INTERRUPTS, FALSE)); + NVDEF(NV507D, UPDATE, INHIBIT_INTERRUPTS, FALSE), + + SET_NOTIFIER_CONTROL, + NVDEF(NV507D, SET_NOTIFIER_CONTROL, NOTIFY, DISABLE)); return PUSH_KICK(push); } diff --git a/drivers/gpu/drm/nouveau/dispnv50/crcc37d.c b/drivers/gpu/drm/nouveau/dispnv50/crcc37d.c index 9afe9a87bde0c6..814e5bd9744602 100644 --- a/drivers/gpu/drm/nouveau/dispnv50/crcc37d.c +++ b/drivers/gpu/drm/nouveau/dispnv50/crcc37d.c @@ -6,7 +6,7 @@ #include "disp.h" #include "head.h" -#include <nvif/push507c.h> +#include <nvif/pushc37b.h> #include <nvhw/class/clc37d.h> diff --git a/drivers/gpu/drm/nouveau/dispnv50/disp.c b/drivers/gpu/drm/nouveau/dispnv50/disp.c index e7874877da8583..1ed24207000119 100644 --- a/drivers/gpu/drm/nouveau/dispnv50/disp.c +++ b/drivers/gpu/drm/nouveau/dispnv50/disp.c @@ -257,6 +257,12 @@ nv50_dmac_create(struct nvif_device *device, struct nvif_object *disp, dmac->push->end = dmac->push->bgn; dmac->max = 0x1000/4 - 1; + /* EVO channels are affected by a HW bug where the last 12 DWORDs + * of the push buffer aren't able to be used safely. + */ + if (disp->oclass < GV100_DISP) + dmac->max -= 12; + args->pushbuf = nvif_handle(&dmac->_push.mem.object); ret = nv50_chan_create(device, disp, oclass, head, data, size, diff --git a/drivers/gpu/drm/nouveau/include/nvif/push507c.h b/drivers/gpu/drm/nouveau/include/nvif/push507c.h index 889467f13fd9c7..7917bead4845de 100644 --- a/drivers/gpu/drm/nouveau/include/nvif/push507c.h +++ b/drivers/gpu/drm/nouveau/include/nvif/push507c.h @@ -20,6 +20,6 @@ PUSH_ASSERT(!((o) & ~DRF_SMASK(NV507C_DMA_JUMP_OFFSET)), "offset"); \ PUSH_DATA__((p), NVDEF(NV507C, DMA, OPCODE, JUMP) | \ NVVAL(NV507C, DMA, JUMP_OFFSET, (o) >> 2), \ - "jump 0x%08x - %s", (u32)(o), __func__); \ + " jump 0x%08x - %s", (u32)(o), __func__); \ } while(0) #endif diff --git a/drivers/gpu/drm/nouveau/nouveau_mem.c b/drivers/gpu/drm/nouveau/nouveau_mem.c index b1bb542d311585..e5fae57fffbd10 100644 --- a/drivers/gpu/drm/nouveau/nouveau_mem.c +++ b/drivers/gpu/drm/nouveau/nouveau_mem.c @@ -176,6 +176,8 @@ void nouveau_mem_del(struct ttm_mem_reg *reg) { struct nouveau_mem *mem = nouveau_mem(reg); + if (!mem) + return; nouveau_mem_fini(mem); kfree(reg->mm_node); reg->mm_node = NULL; diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c b/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c index 9f4ac2672cf2ec..dcb70677d0acca 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c @@ -3149,6 +3149,7 @@ nvkm_device_ctor(const struct nvkm_device_func *func, case 0x168: device->chip = &nv168_chipset; break; default: nvdev_error(device, "unknown chipset (%08x)\n", boot0); + ret = -ENODEV; goto done; } diff --git a/drivers/gpu/drm/omapdrm/dss/venc.c b/drivers/gpu/drm/omapdrm/dss/venc.c index e0817934ee1634..bd12eae0cb3142 100644 --- a/drivers/gpu/drm/omapdrm/dss/venc.c +++ b/drivers/gpu/drm/omapdrm/dss/venc.c @@ -597,7 +597,7 @@ static void venc_bridge_mode_set(struct drm_bridge *bridge, switch (venc_mode) { default: WARN_ON_ONCE(1); - /* Fall-through */ + fallthrough; case VENC_MODE_PAL: venc->config = &venc_config_pal_trm; break; diff --git a/drivers/gpu/drm/omapdrm/omap_crtc.c b/drivers/gpu/drm/omapdrm/omap_crtc.c index 6d40914675dade..328a4a74f534e0 100644 --- a/drivers/gpu/drm/omapdrm/omap_crtc.c +++ b/drivers/gpu/drm/omapdrm/omap_crtc.c @@ -451,11 +451,12 @@ static void omap_crtc_atomic_enable(struct drm_crtc *crtc, if (omap_state->manually_updated) return; - spin_lock_irq(&crtc->dev->event_lock); drm_crtc_vblank_on(crtc); + ret = drm_crtc_vblank_get(crtc); WARN_ON(ret != 0); + spin_lock_irq(&crtc->dev->event_lock); omap_crtc_arm_event(crtc); spin_unlock_irq(&crtc->dev->event_lock); } diff --git a/drivers/gpu/drm/radeon/ci_dpm.c b/drivers/gpu/drm/radeon/ci_dpm.c index ba20c6f037198c..886e9959496fe5 100644 --- a/drivers/gpu/drm/radeon/ci_dpm.c +++ b/drivers/gpu/drm/radeon/ci_dpm.c @@ -4856,7 +4856,7 @@ static void ci_request_link_speed_change_before_state_change(struct radeon_devic pi->force_pcie_gen = RADEON_PCIE_GEN2; if (current_link_speed == RADEON_PCIE_GEN2) break; - /* fall through */ + fallthrough; case RADEON_PCIE_GEN2: if (radeon_acpi_pcie_performance_request(rdev, PCIE_PERF_REQ_PECI_GEN2, false) == 0) break; diff --git a/drivers/gpu/drm/radeon/r300.c b/drivers/gpu/drm/radeon/r300.c index 3b7ead5be5bfe1..73f67bf222e164 100644 --- a/drivers/gpu/drm/radeon/r300.c +++ b/drivers/gpu/drm/radeon/r300.c @@ -820,7 +820,7 @@ static int r300_packet0_check(struct radeon_cs_parser *p, ((idx_value >> 21) & 0xF)); return -EINVAL; } - /* Fall through. */ + fallthrough; case 6: track->cb[i].cpp = 4; break; @@ -971,7 +971,7 @@ static int r300_packet0_check(struct radeon_cs_parser *p, return -EINVAL; } /* The same rules apply as for DXT3/5. */ - /* Fall through. */ + fallthrough; case R300_TX_FORMAT_DXT3: case R300_TX_FORMAT_DXT5: track->textures[i].cpp = 1; diff --git a/drivers/gpu/drm/radeon/r420.c b/drivers/gpu/drm/radeon/r420.c index 1d4c04e0a44949..50b89b6d9a6ce6 100644 --- a/drivers/gpu/drm/radeon/r420.c +++ b/drivers/gpu/drm/radeon/r420.c @@ -115,7 +115,7 @@ void r420_pipes_init(struct radeon_device *rdev) default: /* force to 1 pipe */ num_pipes = 1; - /* fall through */ + fallthrough; case 1: tmp = (0 << 1); break; diff --git a/drivers/gpu/drm/radeon/r600_cs.c b/drivers/gpu/drm/radeon/r600_cs.c index 49e8266461f852..390a9621604ae0 100644 --- a/drivers/gpu/drm/radeon/r600_cs.c +++ b/drivers/gpu/drm/radeon/r600_cs.c @@ -487,7 +487,7 @@ static int r600_cs_track_validate_cb(struct radeon_cs_parser *p, int i) return -EINVAL; } } - /* fall through */ + fallthrough; case V_0280A0_CLEAR_ENABLE: { uint32_t block_max = G_028100_CMASK_BLOCK_MAX(track->cb_color_mask[i]); @@ -1535,7 +1535,7 @@ static int r600_check_texture_resource(struct radeon_cs_parser *p, u32 idx, break; case V_038000_SQ_TEX_DIM_2D_ARRAY_MSAA: is_array = true; - /* fall through */ + fallthrough; case V_038000_SQ_TEX_DIM_2D_MSAA: array_check.nsamples = 1 << llevel; llevel = 0; diff --git a/drivers/gpu/drm/radeon/radeon_uvd.c b/drivers/gpu/drm/radeon/radeon_uvd.c index 1ad5c3b86b640e..57fb3eb3a4b45a 100644 --- a/drivers/gpu/drm/radeon/radeon_uvd.c +++ b/drivers/gpu/drm/radeon/radeon_uvd.c @@ -454,7 +454,7 @@ static int radeon_uvd_validate_codec(struct radeon_cs_parser *p, if (p->rdev->family >= CHIP_PALM) return 0; - /* fall through */ + fallthrough; default: DRM_ERROR("UVD codec not supported by hardware %d!\n", stream_type); diff --git a/drivers/gpu/drm/radeon/si_dpm.c b/drivers/gpu/drm/radeon/si_dpm.c index a167e1c36d2432..d1c73e9db889ae 100644 --- a/drivers/gpu/drm/radeon/si_dpm.c +++ b/drivers/gpu/drm/radeon/si_dpm.c @@ -5744,7 +5744,7 @@ static void si_request_link_speed_change_before_state_change(struct radeon_devic si_pi->force_pcie_gen = RADEON_PCIE_GEN2; if (current_link_speed == RADEON_PCIE_GEN2) break; - /* fall through */ + fallthrough; case RADEON_PCIE_GEN2: if (radeon_acpi_pcie_performance_request(rdev, PCIE_PERF_REQ_PECI_GEN2, false) == 0) break; diff --git a/drivers/gpu/drm/radeon/uvd_v1_0.c b/drivers/gpu/drm/radeon/uvd_v1_0.c index f858d8d063476b..800721153d51a2 100644 --- a/drivers/gpu/drm/radeon/uvd_v1_0.c +++ b/drivers/gpu/drm/radeon/uvd_v1_0.c @@ -219,7 +219,7 @@ done: WREG32(RS_DQ_RD_RET_CONF, 0x3f); WREG32(MC_CONFIG, 0x1f); - /* fall through */ + fallthrough; case CHIP_RV670: case CHIP_RV635: diff --git a/drivers/gpu/drm/savage/savage_state.c b/drivers/gpu/drm/savage/savage_state.c index a2ac25c11c9038..e0d40ae67d5424 100644 --- a/drivers/gpu/drm/savage/savage_state.c +++ b/drivers/gpu/drm/savage/savage_state.c @@ -306,7 +306,7 @@ static int savage_dispatch_dma_prim(drm_savage_private_t * dev_priv, case SAVAGE_PRIM_TRILIST_201: reorder = 1; prim = SAVAGE_PRIM_TRILIST; - /* fall through */ + fallthrough; case SAVAGE_PRIM_TRILIST: if (n % 3 != 0) { DRM_ERROR("wrong number of vertices %u in TRILIST\n", @@ -444,7 +444,7 @@ static int savage_dispatch_vb_prim(drm_savage_private_t * dev_priv, case SAVAGE_PRIM_TRILIST_201: reorder = 1; prim = SAVAGE_PRIM_TRILIST; - /* fall through */ + fallthrough; case SAVAGE_PRIM_TRILIST: if (n % 3 != 0) { DRM_ERROR("wrong number of vertices %u in TRILIST\n", @@ -566,7 +566,7 @@ static int savage_dispatch_dma_idx(drm_savage_private_t * dev_priv, case SAVAGE_PRIM_TRILIST_201: reorder = 1; prim = SAVAGE_PRIM_TRILIST; - /* fall through */ + fallthrough; case SAVAGE_PRIM_TRILIST: if (n % 3 != 0) { DRM_ERROR("wrong number of indices %u in TRILIST\n", n); @@ -705,7 +705,7 @@ static int savage_dispatch_vb_idx(drm_savage_private_t * dev_priv, case SAVAGE_PRIM_TRILIST_201: reorder = 1; prim = SAVAGE_PRIM_TRILIST; - /* fall through */ + fallthrough; case SAVAGE_PRIM_TRILIST: if (n % 3 != 0) { DRM_ERROR("wrong number of indices %u in TRILIST\n", n); @@ -1066,7 +1066,7 @@ int savage_bci_cmdbuf(struct drm_device *dev, void *data, struct drm_file *file_ ret = -EINVAL; goto done; } - /* fall through */ + fallthrough; case SAVAGE_CMD_DMA_PRIM: case SAVAGE_CMD_VB_PRIM: if (!first_draw_cmd) diff --git a/drivers/gpu/drm/sti/sti_hdmi.c b/drivers/gpu/drm/sti/sti_hdmi.c index 008f07923bbc9f..38a558768e5311 100644 --- a/drivers/gpu/drm/sti/sti_hdmi.c +++ b/drivers/gpu/drm/sti/sti_hdmi.c @@ -850,13 +850,13 @@ static int hdmi_audio_configure(struct sti_hdmi *hdmi) switch (info->channels) { case 8: audio_cfg |= HDMI_AUD_CFG_CH78_VALID; - /* fall through */ + fallthrough; case 6: audio_cfg |= HDMI_AUD_CFG_CH56_VALID; - /* fall through */ + fallthrough; case 4: audio_cfg |= HDMI_AUD_CFG_CH34_VALID | HDMI_AUD_CFG_8CH; - /* fall through */ + fallthrough; case 2: audio_cfg |= HDMI_AUD_CFG_CH12_VALID; break; diff --git a/drivers/gpu/drm/sun4i/sun4i_backend.c b/drivers/gpu/drm/sun4i/sun4i_backend.c index 072ea113e6be55..ed5d866178028a 100644 --- a/drivers/gpu/drm/sun4i/sun4i_backend.c +++ b/drivers/gpu/drm/sun4i/sun4i_backend.c @@ -589,8 +589,7 @@ static int sun4i_backend_atomic_check(struct sunxi_engine *engine, /* We can't have an alpha plane at the lowest position */ if (!backend->quirks->supports_lowest_plane_alpha && - (plane_states[0]->fb->format->has_alpha || - (plane_states[0]->alpha != DRM_BLEND_ALPHA_OPAQUE))) + (plane_states[0]->alpha != DRM_BLEND_ALPHA_OPAQUE)) return -EINVAL; for (i = 1; i < num_planes; i++) { @@ -995,7 +994,6 @@ static const struct sun4i_backend_quirks sun6i_backend_quirks = { static const struct sun4i_backend_quirks sun7i_backend_quirks = { .needs_output_muxing = true, - .supports_lowest_plane_alpha = true, }; static const struct sun4i_backend_quirks sun8i_a33_backend_quirks = { diff --git a/drivers/gpu/drm/sun4i/sun4i_tcon.c b/drivers/gpu/drm/sun4i/sun4i_tcon.c index 359b56e43b83c5..e40c542254f6bb 100644 --- a/drivers/gpu/drm/sun4i/sun4i_tcon.c +++ b/drivers/gpu/drm/sun4i/sun4i_tcon.c @@ -195,7 +195,7 @@ void sun4i_tcon_set_status(struct sun4i_tcon *tcon, switch (encoder->encoder_type) { case DRM_MODE_ENCODER_LVDS: is_lvds = true; - /* Fallthrough */ + fallthrough; case DRM_MODE_ENCODER_DSI: case DRM_MODE_ENCODER_NONE: channel = 0; @@ -342,7 +342,7 @@ static void sun4i_tcon0_mode_set_dithering(struct sun4i_tcon *tcon, /* R and B components are only 5 bits deep */ val |= SUN4I_TCON0_FRM_CTL_MODE_R; val |= SUN4I_TCON0_FRM_CTL_MODE_B; - /* Fall through */ + fallthrough; case MEDIA_BUS_FMT_RGB666_1X18: case MEDIA_BUS_FMT_RGB666_1X7X3_SPWG: /* Fall through: enable dithering */ @@ -1433,14 +1433,18 @@ static int sun8i_r40_tcon_tv_set_mux(struct sun4i_tcon *tcon, if (IS_ENABLED(CONFIG_DRM_SUN8I_TCON_TOP) && encoder->encoder_type == DRM_MODE_ENCODER_TMDS) { ret = sun8i_tcon_top_set_hdmi_src(&pdev->dev, id); - if (ret) + if (ret) { + put_device(&pdev->dev); return ret; + } } if (IS_ENABLED(CONFIG_DRM_SUN8I_TCON_TOP)) { ret = sun8i_tcon_top_de_config(&pdev->dev, tcon->id, id); - if (ret) + if (ret) { + put_device(&pdev->dev); return ret; + } } return 0; diff --git a/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c b/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c index aa67cb037e9d10..de8a11abd66a5f 100644 --- a/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c +++ b/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c @@ -889,7 +889,7 @@ static int sun6i_dsi_dcs_write_long(struct sun6i_dsi *dsi, regmap_write(dsi->regs, SUN6I_DSI_CMD_TX_REG(0), sun6i_dsi_dcs_build_pkt_hdr(dsi, msg)); - bounce = kzalloc(msg->tx_len + sizeof(crc), GFP_KERNEL); + bounce = kzalloc(ALIGN(msg->tx_len + sizeof(crc), 4), GFP_KERNEL); if (!bounce) return -ENOMEM; @@ -900,7 +900,7 @@ static int sun6i_dsi_dcs_write_long(struct sun6i_dsi *dsi, memcpy((u8 *)bounce + msg->tx_len, &crc, sizeof(crc)); len += sizeof(crc); - regmap_bulk_write(dsi->regs, SUN6I_DSI_CMD_TX_REG(1), bounce, len); + regmap_bulk_write(dsi->regs, SUN6I_DSI_CMD_TX_REG(1), bounce, DIV_ROUND_UP(len, 4)); regmap_write(dsi->regs, SUN6I_DSI_CMD_CTL_REG, len + 4 - 1); kfree(bounce); @@ -1027,7 +1027,7 @@ static ssize_t sun6i_dsi_transfer(struct mipi_dsi_host *host, ret = sun6i_dsi_dcs_read(dsi, msg); break; } - /* Else, fall through */ + fallthrough; default: ret = -EINVAL; diff --git a/drivers/gpu/drm/sun4i/sun8i_csc.h b/drivers/gpu/drm/sun4i/sun8i_csc.h index f42441b1b14ddf..a55a38ad849c13 100644 --- a/drivers/gpu/drm/sun4i/sun8i_csc.h +++ b/drivers/gpu/drm/sun4i/sun8i_csc.h @@ -12,7 +12,7 @@ struct sun8i_mixer; /* VI channel CSC units offsets */ #define CCSC00_OFFSET 0xAA050 -#define CCSC01_OFFSET 0xFA000 +#define CCSC01_OFFSET 0xFA050 #define CCSC10_OFFSET 0xA0000 #define CCSC11_OFFSET 0xF0000 diff --git a/drivers/gpu/drm/sun4i/sun8i_mixer.c b/drivers/gpu/drm/sun4i/sun8i_mixer.c index cc4fb916318f30..c3304028e3dcd1 100644 --- a/drivers/gpu/drm/sun4i/sun8i_mixer.c +++ b/drivers/gpu/drm/sun4i/sun8i_mixer.c @@ -307,7 +307,7 @@ static struct regmap_config sun8i_mixer_regmap_config = { .reg_bits = 32, .val_bits = 32, .reg_stride = 4, - .max_register = 0xbfffc, /* guessed */ + .max_register = 0xffffc, /* guessed */ }; static int sun8i_mixer_of_get_id(struct device_node *node) diff --git a/drivers/gpu/drm/sun4i/sun8i_vi_layer.c b/drivers/gpu/drm/sun4i/sun8i_vi_layer.c index 22c8c5375d0db8..c0147af6a84060 100644 --- a/drivers/gpu/drm/sun4i/sun8i_vi_layer.c +++ b/drivers/gpu/drm/sun4i/sun8i_vi_layer.c @@ -211,7 +211,7 @@ static int sun8i_vi_layer_update_coord(struct sun8i_mixer *mixer, int channel, return 0; } -static bool sun8i_vi_layer_get_csc_mode(const struct drm_format_info *format) +static u32 sun8i_vi_layer_get_csc_mode(const struct drm_format_info *format) { if (!format->is_yuv) return SUN8I_CSC_MODE_OFF; diff --git a/drivers/gpu/drm/tegra/dc.c b/drivers/gpu/drm/tegra/dc.c index 9a0b3240bc5823..424ad60b4f388c 100644 --- a/drivers/gpu/drm/tegra/dc.c +++ b/drivers/gpu/drm/tegra/dc.c @@ -135,7 +135,7 @@ static inline u32 compute_dda_inc(unsigned int in, unsigned int out, bool v, default: WARN_ON_ONCE(1); - /* fallthrough */ + fallthrough; case 4: max = 4; break; diff --git a/drivers/gpu/drm/tilcdc/tilcdc_crtc.c b/drivers/gpu/drm/tilcdc/tilcdc_crtc.c index 1856962411c779..518220bd092a64 100644 --- a/drivers/gpu/drm/tilcdc/tilcdc_crtc.c +++ b/drivers/gpu/drm/tilcdc/tilcdc_crtc.c @@ -386,7 +386,7 @@ static void tilcdc_crtc_set_mode(struct drm_crtc *crtc) case DRM_FORMAT_XBGR8888: case DRM_FORMAT_XRGB8888: reg |= LCDC_V2_TFT_24BPP_UNPACK; - /* fallthrough */ + fallthrough; case DRM_FORMAT_BGR888: case DRM_FORMAT_RGB888: reg |= LCDC_V2_TFT_24BPP_MODE; diff --git a/drivers/gpu/drm/ttm/ttm_bo_vm.c b/drivers/gpu/drm/ttm/ttm_bo_vm.c index 33526c5df0e8ca..4732dcc80e119a 100644 --- a/drivers/gpu/drm/ttm/ttm_bo_vm.c +++ b/drivers/gpu/drm/ttm/ttm_bo_vm.c @@ -525,7 +525,7 @@ int ttm_bo_vm_access(struct vm_area_struct *vma, unsigned long addr, if (unlikely(ret != 0)) return ret; } - /* fall through */ + fallthrough; case TTM_PL_TT: ret = ttm_bo_vm_access_kmap(bo, offset, buf, len, write); break; diff --git a/drivers/gpu/drm/tve200/tve200_display.c b/drivers/gpu/drm/tve200/tve200_display.c index d733bbc4ac0e5d..17ff24d999d182 100644 --- a/drivers/gpu/drm/tve200/tve200_display.c +++ b/drivers/gpu/drm/tve200/tve200_display.c @@ -14,6 +14,7 @@ #include <linux/version.h> #include <linux/dma-buf.h> #include <linux/of_graph.h> +#include <linux/delay.h> #include <drm/drm_fb_cma_helper.h> #include <drm/drm_fourcc.h> @@ -130,9 +131,25 @@ static void tve200_display_enable(struct drm_simple_display_pipe *pipe, struct drm_connector *connector = priv->connector; u32 format = fb->format->format; u32 ctrl1 = 0; + int retries; clk_prepare_enable(priv->clk); + /* Reset the TVE200 and wait for it to come back online */ + writel(TVE200_CTRL_4_RESET, priv->regs + TVE200_CTRL_4); + for (retries = 0; retries < 5; retries++) { + usleep_range(30000, 50000); + if (readl(priv->regs + TVE200_CTRL_4) & TVE200_CTRL_4_RESET) + continue; + else + break; + } + if (retries == 5 && + readl(priv->regs + TVE200_CTRL_4) & TVE200_CTRL_4_RESET) { + dev_err(drm->dev, "can't get hardware out of reset\n"); + return; + } + /* Function 1 */ ctrl1 |= TVE200_CTRL_CSMODE; /* Interlace mode for CCIR656: parameterize? */ @@ -230,8 +247,9 @@ static void tve200_display_disable(struct drm_simple_display_pipe *pipe) drm_crtc_vblank_off(crtc); - /* Disable and Power Down */ + /* Disable put into reset and Power Down */ writel(0, priv->regs + TVE200_CTRL); + writel(TVE200_CTRL_4_RESET, priv->regs + TVE200_CTRL_4); clk_disable_unprepare(priv->clk); } @@ -279,6 +297,8 @@ static int tve200_display_enable_vblank(struct drm_simple_display_pipe *pipe) struct drm_device *drm = crtc->dev; struct tve200_drm_dev_private *priv = drm->dev_private; + /* Clear any IRQs and enable */ + writel(0xFF, priv->regs + TVE200_INT_CLR); writel(TVE200_INT_V_STATUS, priv->regs + TVE200_INT_EN); return 0; } diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c index 15a11cd4de256a..6339c6f0f571f8 100644 --- a/drivers/gpu/drm/vc4/vc4_hdmi.c +++ b/drivers/gpu/drm/vc4/vc4_hdmi.c @@ -1117,6 +1117,7 @@ static int vc4_hdmi_audio_init(struct vc4_hdmi *hdmi) card->num_links = 1; card->name = "vc4-hdmi"; card->dev = dev; + card->owner = THIS_MODULE; /* * Be careful, snd_soc_register_card() calls dev_set_drvdata() and diff --git a/drivers/gpu/drm/via/via_dmablit.c b/drivers/gpu/drm/via/via_dmablit.c index 551fa31629afb8..5771bb53ce6a51 100644 --- a/drivers/gpu/drm/via/via_dmablit.c +++ b/drivers/gpu/drm/via/via_dmablit.c @@ -179,21 +179,21 @@ via_free_sg_info(struct pci_dev *pdev, drm_via_sg_info_t *vsg) switch (vsg->state) { case dr_via_device_mapped: via_unmap_blit_from_device(pdev, vsg); - /* fall through */ + fallthrough; case dr_via_desc_pages_alloc: for (i = 0; i < vsg->num_desc_pages; ++i) { if (vsg->desc_pages[i] != NULL) free_page((unsigned long)vsg->desc_pages[i]); } kfree(vsg->desc_pages); - /* fall through */ + fallthrough; case dr_via_pages_locked: unpin_user_pages_dirty_lock(vsg->pages, vsg->num_pages, (vsg->direction == DMA_FROM_DEVICE)); - /* fall through */ + fallthrough; case dr_via_pages_alloc: vfree(vsg->pages); - /* fall through */ + fallthrough; default: vsg->state = dr_via_sg_init; } diff --git a/drivers/gpu/drm/virtio/virtgpu_display.c b/drivers/gpu/drm/virtio/virtgpu_display.c index af55b334be2fd8..afd0f9200f9084 100644 --- a/drivers/gpu/drm/virtio/virtgpu_display.c +++ b/drivers/gpu/drm/virtio/virtgpu_display.c @@ -97,9 +97,6 @@ static void virtio_gpu_crtc_mode_set_nofb(struct drm_crtc *crtc) static void virtio_gpu_crtc_atomic_enable(struct drm_crtc *crtc, struct drm_crtc_state *old_state) { - struct virtio_gpu_output *output = drm_crtc_to_virtio_gpu_output(crtc); - - output->enabled = true; } static void virtio_gpu_crtc_atomic_disable(struct drm_crtc *crtc, @@ -111,7 +108,6 @@ static void virtio_gpu_crtc_atomic_disable(struct drm_crtc *crtc, virtio_gpu_cmd_set_scanout(vgdev, output->index, 0, 0, 0, 0, 0); virtio_gpu_notify(vgdev); - output->enabled = false; } static int virtio_gpu_crtc_atomic_check(struct drm_crtc *crtc, @@ -123,6 +119,17 @@ static int virtio_gpu_crtc_atomic_check(struct drm_crtc *crtc, static void virtio_gpu_crtc_atomic_flush(struct drm_crtc *crtc, struct drm_crtc_state *old_state) { + struct virtio_gpu_output *output = drm_crtc_to_virtio_gpu_output(crtc); + + /* + * virtio-gpu can't do modeset and plane update operations + * independent from each other. So the actual modeset happens + * in the plane update callback, and here we just check + * whenever we must force the modeset. + */ + if (drm_atomic_crtc_needs_modeset(crtc->state)) { + output->needs_modeset = true; + } } static const struct drm_crtc_helper_funcs virtio_gpu_crtc_helper_funcs = { diff --git a/drivers/gpu/drm/virtio/virtgpu_drv.h b/drivers/gpu/drm/virtio/virtgpu_drv.h index 9ff9f4ac0522ac..fbc04272db4f0f 100644 --- a/drivers/gpu/drm/virtio/virtgpu_drv.h +++ b/drivers/gpu/drm/virtio/virtgpu_drv.h @@ -137,7 +137,7 @@ struct virtio_gpu_output { struct edid *edid; int cur_x; int cur_y; - bool enabled; + bool needs_modeset; }; #define drm_crtc_to_virtio_gpu_output(x) \ container_of(x, struct virtio_gpu_output, crtc) diff --git a/drivers/gpu/drm/virtio/virtgpu_object.c b/drivers/gpu/drm/virtio/virtgpu_object.c index e83651b7747d5a..842f8b61aa8970 100644 --- a/drivers/gpu/drm/virtio/virtgpu_object.c +++ b/drivers/gpu/drm/virtio/virtgpu_object.c @@ -151,7 +151,13 @@ static int virtio_gpu_object_shmem_init(struct virtio_gpu_device *vgdev, if (ret < 0) return -EINVAL; - shmem->pages = drm_gem_shmem_get_pages_sgt(&bo->base.base); + /* + * virtio_gpu uses drm_gem_shmem_get_sg_table instead of + * drm_gem_shmem_get_pages_sgt because virtio has it's own set of + * dma-ops. This is discouraged for other drivers, but should be fine + * since virtio_gpu doesn't support dma-buf import from other devices. + */ + shmem->pages = drm_gem_shmem_get_sg_table(&bo->base.base); if (!shmem->pages) { drm_gem_shmem_unpin(&bo->base.base); return -EINVAL; diff --git a/drivers/gpu/drm/virtio/virtgpu_plane.c b/drivers/gpu/drm/virtio/virtgpu_plane.c index 52d24179bcecc5..6a311cd9344039 100644 --- a/drivers/gpu/drm/virtio/virtgpu_plane.c +++ b/drivers/gpu/drm/virtio/virtgpu_plane.c @@ -142,7 +142,7 @@ static void virtio_gpu_primary_plane_update(struct drm_plane *plane, if (WARN_ON(!output)) return; - if (!plane->state->fb || !output->enabled) { + if (!plane->state->fb || !output->crtc.state->active) { DRM_DEBUG("nofb\n"); virtio_gpu_cmd_set_scanout(vgdev, output->index, 0, plane->state->src_w >> 16, @@ -163,7 +163,9 @@ static void virtio_gpu_primary_plane_update(struct drm_plane *plane, plane->state->src_w != old_state->src_w || plane->state->src_h != old_state->src_h || plane->state->src_x != old_state->src_x || - plane->state->src_y != old_state->src_y) { + plane->state->src_y != old_state->src_y || + output->needs_modeset) { + output->needs_modeset = false; DRM_DEBUG("handle 0x%x, crtc %dx%d+%d+%d, src %dx%d+%d+%d\n", bo->hw_res_handle, plane->state->crtc_w, plane->state->crtc_h, diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c b/drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c index 4a76fc7114adcf..f8bdd4ea294a66 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c @@ -55,7 +55,7 @@ static int vmw_gmrid_man_get_node(struct ttm_mem_type_manager *man, id = ida_alloc_max(&gman->gmr_ida, gman->max_gmr_ids - 1, GFP_KERNEL); if (id < 0) - return (id != -ENOMEM ? 0 : id); + return id; spin_lock(&gman->lock); diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_thp.c b/drivers/gpu/drm/vmwgfx/vmwgfx_thp.c index b7c816ba71663b..c8b9335bccd8d8 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_thp.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_thp.c @@ -95,7 +95,7 @@ found_unlock: mem->start = node->start; } - return 0; + return ret; } diff --git a/drivers/gpu/drm/xen/xen_drm_front.c b/drivers/gpu/drm/xen/xen_drm_front.c index 013c9e0e412cdc..cc93a8c9547bcc 100644 --- a/drivers/gpu/drm/xen/xen_drm_front.c +++ b/drivers/gpu/drm/xen/xen_drm_front.c @@ -649,9 +649,7 @@ static void displback_changed(struct xenbus_device *xb_dev, switch (backend_state) { case XenbusStateReconfiguring: - /* fall through */ case XenbusStateReconfigured: - /* fall through */ case XenbusStateInitialised: break; @@ -701,7 +699,6 @@ static void displback_changed(struct xenbus_device *xb_dev, break; case XenbusStateUnknown: - /* fall through */ case XenbusStateClosed: if (xb_dev->state == XenbusStateClosed) break; diff --git a/drivers/gpu/drm/xen/xen_drm_front_gem.c b/drivers/gpu/drm/xen/xen_drm_front_gem.c index 39ff95b75357dd..534daf37c97ed8 100644 --- a/drivers/gpu/drm/xen/xen_drm_front_gem.c +++ b/drivers/gpu/drm/xen/xen_drm_front_gem.c @@ -18,6 +18,7 @@ #include <drm/drm_probe_helper.h> #include <xen/balloon.h> +#include <xen/xen.h> #include "xen_drm_front.h" #include "xen_drm_front_gem.h" @@ -99,8 +100,8 @@ static struct xen_gem_object *gem_create(struct drm_device *dev, size_t size) * allocate ballooned pages which will be used to map * grant references provided by the backend */ - ret = alloc_xenballooned_pages(xen_obj->num_pages, - xen_obj->pages); + ret = xen_alloc_unpopulated_pages(xen_obj->num_pages, + xen_obj->pages); if (ret < 0) { DRM_ERROR("Cannot allocate %zu ballooned pages: %d\n", xen_obj->num_pages, ret); @@ -152,8 +153,8 @@ void xen_drm_front_gem_free_object_unlocked(struct drm_gem_object *gem_obj) } else { if (xen_obj->pages) { if (xen_obj->be_alloc) { - free_xenballooned_pages(xen_obj->num_pages, - xen_obj->pages); + xen_free_unpopulated_pages(xen_obj->num_pages, + xen_obj->pages); gem_free_pages_array(xen_obj); } else { drm_gem_put_pages(&xen_obj->base, diff --git a/drivers/gpu/drm/xlnx/Kconfig b/drivers/gpu/drm/xlnx/Kconfig index aa6cd889bd119f..b52c6cdfc0b872 100644 --- a/drivers/gpu/drm/xlnx/Kconfig +++ b/drivers/gpu/drm/xlnx/Kconfig @@ -2,6 +2,7 @@ config DRM_ZYNQMP_DPSUB tristate "ZynqMP DisplayPort Controller Driver" depends on ARCH_ZYNQMP || COMPILE_TEST depends on COMMON_CLK && DRM && OF + depends on DMADEVICES select DMA_ENGINE select DRM_GEM_CMA_HELPER select DRM_KMS_CMA_HELPER diff --git a/drivers/gpu/ipu-v3/ipu-dc.c b/drivers/gpu/ipu-v3/ipu-dc.c index dbcc167219318f..34b4075a6a8e53 100644 --- a/drivers/gpu/ipu-v3/ipu-dc.c +++ b/drivers/gpu/ipu-v3/ipu-dc.c @@ -141,7 +141,7 @@ static int ipu_bus_format_to_map(u32 fmt) switch (fmt) { default: WARN_ON(1); - /* fall-through */ + fallthrough; case MEDIA_BUS_FMT_RGB888_1X24: return IPU_DC_MAP_RGB24; case MEDIA_BUS_FMT_RGB565_1X16: diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 359616e3efbbb2..d2ecc9c4525548 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1598,6 +1598,17 @@ static void hid_output_field(const struct hid_device *hid, } /* + * Compute the size of a report. + */ +static size_t hid_compute_report_size(struct hid_report *report) +{ + if (report->size) + return ((report->size - 1) >> 3) + 1; + + return 0; +} + +/* * Create a report. 'data' has to be allocated using * hid_alloc_report_buf() so that it has proper size. */ @@ -1609,7 +1620,7 @@ void hid_output_report(struct hid_report *report, __u8 *data) if (report->id > 0) *data++ = report->id; - memset(data, 0, ((report->size - 1) >> 3) + 1); + memset(data, 0, hid_compute_report_size(report)); for (n = 0; n < report->maxfield; n++) hid_output_field(report->device, report->field[n], data); } @@ -1739,7 +1750,7 @@ int hid_report_raw_event(struct hid_device *hid, int type, u8 *data, u32 size, csize--; } - rsize = ((report->size - 1) >> 3) + 1; + rsize = hid_compute_report_size(report); if (report_enum->numbered && rsize >= HID_MAX_BUFFER_SIZE) rsize = HID_MAX_BUFFER_SIZE - 1; diff --git a/drivers/hid/hid-cougar.c b/drivers/hid/hid-cougar.c index 4ff3bc1d25e23f..28d671c5e0cac2 100644 --- a/drivers/hid/hid-cougar.c +++ b/drivers/hid/hid-cougar.c @@ -321,7 +321,7 @@ static const struct kernel_param_ops cougar_g6_is_space_ops = { }; module_param_cb(g6_is_space, &cougar_g6_is_space_ops, &g6_is_space, 0644); -static struct hid_device_id cougar_id_table[] = { +static const struct hid_device_id cougar_id_table[] = { { HID_USB_DEVICE(USB_VENDOR_ID_SOLID_YEAR, USB_DEVICE_ID_COUGAR_500K_GAMING_KEYBOARD) }, { HID_USB_DEVICE(USB_VENDOR_ID_SOLID_YEAR, diff --git a/drivers/hid/hid-elan.c b/drivers/hid/hid-elan.c index 45c4f888b7c4e6..dae193749d4434 100644 --- a/drivers/hid/hid-elan.c +++ b/drivers/hid/hid-elan.c @@ -188,6 +188,7 @@ static int elan_input_configured(struct hid_device *hdev, struct hid_input *hi) ret = input_mt_init_slots(input, ELAN_MAX_FINGERS, INPUT_MT_POINTER); if (ret) { hid_err(hdev, "Failed to init elan MT slots: %d\n", ret); + input_free_device(input); return ret; } @@ -198,6 +199,7 @@ static int elan_input_configured(struct hid_device *hdev, struct hid_input *hi) if (ret) { hid_err(hdev, "Failed to register elan input device: %d\n", ret); + input_mt_destroy_slots(input); input_free_device(input); return ret; } diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index 6221888aae99fd..74fc1df6e3c272 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -728,6 +728,9 @@ #define USB_DEVICE_ID_LENOVO_TPPRODOCK 0x6067 #define USB_DEVICE_ID_LENOVO_X1_COVER 0x6085 #define USB_DEVICE_ID_LENOVO_PIXART_USB_MOUSE_608D 0x608d +#define USB_DEVICE_ID_LENOVO_PIXART_USB_MOUSE_6019 0x6019 +#define USB_DEVICE_ID_LENOVO_PIXART_USB_MOUSE_602E 0x602e +#define USB_DEVICE_ID_LENOVO_PIXART_USB_MOUSE_6093 0x6093 #define USB_VENDOR_ID_LG 0x1fd2 #define USB_DEVICE_ID_LG_MULTITOUCH 0x0064 @@ -847,6 +850,7 @@ #define USB_DEVICE_ID_MS_POWER_COVER 0x07da #define USB_DEVICE_ID_MS_XBOX_ONE_S_CONTROLLER 0x02fd #define USB_DEVICE_ID_MS_PIXART_MOUSE 0x00cb +#define USB_DEVICE_ID_8BITDO_SN30_PRO_PLUS 0x02e0 #define USB_VENDOR_ID_MOJO 0x8282 #define USB_DEVICE_ID_RETRO_ADAPTER 0x3201 @@ -1012,6 +1016,8 @@ #define USB_DEVICE_ID_SAITEK_RAT9 0x0cfa #define USB_DEVICE_ID_SAITEK_MMO7 0x0cd0 #define USB_DEVICE_ID_SAITEK_X52 0x075c +#define USB_DEVICE_ID_SAITEK_X52_2 0x0255 +#define USB_DEVICE_ID_SAITEK_X52_PRO 0x0762 #define USB_VENDOR_ID_SAMSUNG 0x0419 #define USB_DEVICE_ID_SAMSUNG_IR_REMOTE 0x0001 diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c index b8eabf206e7439..88e19996427e63 100644 --- a/drivers/hid/hid-input.c +++ b/drivers/hid/hid-input.c @@ -1132,6 +1132,10 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel } mapped: + /* Mapping failed, bail out */ + if (!bit) + return; + if (device->driver->input_mapped && device->driver->input_mapped(device, hidinput, field, usage, &bit, &max) < 0) { diff --git a/drivers/hid/hid-lg-g15.c b/drivers/hid/hid-lg-g15.c index ef0cbcd7540d56..fcaf8466e627d5 100644 --- a/drivers/hid/hid-lg-g15.c +++ b/drivers/hid/hid-lg-g15.c @@ -680,7 +680,7 @@ static int lg_g15_register_led(struct lg_g15_data *g15, int i) * but it does have a separate power-on (reset) value. */ g15->leds[i].cdev.name = "g15::power_on_backlight_val"; - /* fall through */ + fallthrough; case LG_G15_KBD_BRIGHTNESS: g15->leds[i].cdev.brightness_set_blocking = lg_g510_kbd_led_set; diff --git a/drivers/hid/hid-logitech-dj.c b/drivers/hid/hid-logitech-dj.c index a78c13cc9f470f..38ee25a813b9e2 100644 --- a/drivers/hid/hid-logitech-dj.c +++ b/drivers/hid/hid-logitech-dj.c @@ -844,7 +844,7 @@ static void logi_dj_recv_queue_notification(struct dj_receiver_dev *djrcv_dev, workitem.type = WORKITEM_TYPE_EMPTY; break; } - /* fall-through */ + fallthrough; case REPORT_TYPE_NOTIF_DEVICE_UNPAIRED: workitem.quad_id_msb = dj_report->report_params[DEVICE_PAIRED_PARAM_EQUAD_ID_MSB]; diff --git a/drivers/hid/hid-macally.c b/drivers/hid/hid-macally.c index 9a4fc7dffb14d5..aea46e5220082a 100644 --- a/drivers/hid/hid-macally.c +++ b/drivers/hid/hid-macally.c @@ -29,7 +29,7 @@ static __u8 *macally_report_fixup(struct hid_device *hdev, __u8 *rdesc, return rdesc; } -static struct hid_device_id macally_id_table[] = { +static const struct hid_device_id macally_id_table[] = { { HID_USB_DEVICE(USB_VENDOR_ID_SOLID_YEAR, USB_DEVICE_ID_MACALLY_IKEY_KEYBOARD) }, { } diff --git a/drivers/hid/hid-microsoft.c b/drivers/hid/hid-microsoft.c index 2d8b589201a4e8..071fd093a5f4e1 100644 --- a/drivers/hid/hid-microsoft.c +++ b/drivers/hid/hid-microsoft.c @@ -163,16 +163,13 @@ static int ms_surface_dial_quirk(struct hid_input *hi, struct hid_field *field, { switch (usage->hid & HID_USAGE_PAGE) { case 0xff070000: - /* fall-through */ case HID_UP_DIGITIZER: /* ignore those axis */ return -1; case HID_UP_GENDESK: switch (usage->hid) { case HID_GD_X: - /* fall-through */ case HID_GD_Y: - /* fall-through */ case HID_GD_RFKILL_BTN: /* ignore those axis */ return -1; @@ -451,6 +448,8 @@ static const struct hid_device_id ms_devices[] = { .driver_data = MS_SURFACE_DIAL }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_XBOX_ONE_S_CONTROLLER), .driver_data = MS_QUIRK_FF }, + { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_8BITDO_SN30_PRO_PLUS), + .driver_data = MS_QUIRK_FF }, { } }; MODULE_DEVICE_TABLE(hid, ms_devices); diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c index 3f94b4954225b3..e3152155c4b85d 100644 --- a/drivers/hid/hid-multitouch.c +++ b/drivers/hid/hid-multitouch.c @@ -856,6 +856,8 @@ static int mt_touch_input_mapping(struct hid_device *hdev, struct hid_input *hi, code = BTN_0 + ((usage->hid - 1) & HID_USAGE); hid_map_usage(hi, usage, bit, max, EV_KEY, code); + if (!*bit) + return -1; input_set_capability(hi->input, EV_KEY, code); return 1; diff --git a/drivers/hid/hid-quirks.c b/drivers/hid/hid-quirks.c index c242150d35a3af..7a2be0205dfd12 100644 --- a/drivers/hid/hid-quirks.c +++ b/drivers/hid/hid-quirks.c @@ -105,6 +105,9 @@ static const struct hid_device_id hid_quirks[] = { { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_M406XE), HID_QUIRK_MULTI_INPUT }, { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_PIXART_USB_OPTICAL_MOUSE_ID2), HID_QUIRK_ALWAYS_POLL }, { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_PIXART_USB_MOUSE_608D), HID_QUIRK_ALWAYS_POLL }, + { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_PIXART_USB_MOUSE_6019), HID_QUIRK_ALWAYS_POLL }, + { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_PIXART_USB_MOUSE_602E), HID_QUIRK_ALWAYS_POLL }, + { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_PIXART_USB_MOUSE_6093), HID_QUIRK_ALWAYS_POLL }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_C007), HID_QUIRK_ALWAYS_POLL }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_C077), HID_QUIRK_ALWAYS_POLL }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_KEYBOARD_G710_PLUS), HID_QUIRK_NOGET }, @@ -147,6 +150,8 @@ static const struct hid_device_id hid_quirks[] = { { HID_USB_DEVICE(USB_VENDOR_ID_RETROUSB, USB_DEVICE_ID_RETROUSB_SNES_RETROPORT), HID_QUIRK_INCREMENT_USAGE_ON_DUPLICATE }, { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RUMBLEPAD), HID_QUIRK_BADPAD }, { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_X52), HID_QUIRK_INCREMENT_USAGE_ON_DUPLICATE }, + { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_X52_2), HID_QUIRK_INCREMENT_USAGE_ON_DUPLICATE }, + { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_X52_PRO), HID_QUIRK_INCREMENT_USAGE_ON_DUPLICATE }, { HID_USB_DEVICE(USB_VENDOR_ID_SEMICO, USB_DEVICE_ID_SEMICO_USB_KEYKOARD2), HID_QUIRK_NO_INIT_REPORTS }, { HID_USB_DEVICE(USB_VENDOR_ID_SEMICO, USB_DEVICE_ID_SEMICO_USB_KEYKOARD), HID_QUIRK_NO_INIT_REPORTS }, { HID_USB_DEVICE(USB_VENDOR_ID_SENNHEISER, USB_DEVICE_ID_SENNHEISER_BTD500USB), HID_QUIRK_NOGET }, diff --git a/drivers/hid/hid-rmi.c b/drivers/hid/hid-rmi.c index 8cffa84c965031..7f41213d5ae343 100644 --- a/drivers/hid/hid-rmi.c +++ b/drivers/hid/hid-rmi.c @@ -428,7 +428,6 @@ static void rmi_report(struct hid_device *hid, struct hid_report *report) switch (report->id) { case RMI_READ_DATA_REPORT_ID: - /* fall-through */ case RMI_ATTN_REPORT_ID: return; } diff --git a/drivers/hid/hid-roccat-kone.c b/drivers/hid/hid-roccat-kone.c index 1a6e600197d0ba..2ff4c8e366ff2f 100644 --- a/drivers/hid/hid-roccat-kone.c +++ b/drivers/hid/hid-roccat-kone.c @@ -780,7 +780,7 @@ static void kone_keep_values_up_to_date(struct kone_device *kone, case kone_mouse_event_switch_profile: kone->actual_dpi = kone->profiles[event->value - 1]. startup_dpi; - /* fall through */ + fallthrough; case kone_mouse_event_osd_profile: kone->actual_profile = event->value; break; diff --git a/drivers/hid/hid-uclogic-params.c b/drivers/hid/hid-uclogic-params.c index 78a364ae2f6858..7d20d1fcf8d208 100644 --- a/drivers/hid/hid-uclogic-params.c +++ b/drivers/hid/hid-uclogic-params.c @@ -974,7 +974,7 @@ int uclogic_params_init(struct uclogic_params *params, } break; } - /* FALL THROUGH */ + fallthrough; case VID_PID(USB_VENDOR_ID_HUION, USB_DEVICE_ID_HUION_TABLET): case VID_PID(USB_VENDOR_ID_HUION, diff --git a/drivers/hid/hid-wiimote-core.c b/drivers/hid/hid-wiimote-core.c index 679e142fc850c9..e484c3618decaf 100644 --- a/drivers/hid/hid-wiimote-core.c +++ b/drivers/hid/hid-wiimote-core.c @@ -1672,7 +1672,6 @@ static ssize_t wiimote_ext_show(struct device *dev, case WIIMOTE_EXT_GUITAR: return sprintf(buf, "guitar\n"); case WIIMOTE_EXT_UNKNOWN: - /* fallthrough */ default: return sprintf(buf, "unknown\n"); } @@ -1722,7 +1721,6 @@ static ssize_t wiimote_dev_show(struct device *dev, case WIIMOTE_DEV_PENDING: return sprintf(buf, "pending\n"); case WIIMOTE_DEV_UNKNOWN: - /* fallthrough */ default: return sprintf(buf, "unknown\n"); } diff --git a/drivers/hid/i2c-hid/i2c-hid-core.c b/drivers/hid/i2c-hid/i2c-hid-core.c index 294c84e136d726..dbd04492825d47 100644 --- a/drivers/hid/i2c-hid/i2c-hid-core.c +++ b/drivers/hid/i2c-hid/i2c-hid-core.c @@ -420,6 +420,19 @@ static int i2c_hid_set_power(struct i2c_client *client, int power_state) dev_err(&client->dev, "failed to change power setting.\n"); set_pwr_exit: + + /* + * The HID over I2C specification states that if a DEVICE needs time + * after the PWR_ON request, it should utilise CLOCK stretching. + * However, it has been observered that the Windows driver provides a + * 1ms sleep between the PWR_ON and RESET requests. + * According to Goodix Windows even waits 60 ms after (other?) + * PWR_ON requests. Testing has confirmed that several devices + * will not work properly without a delay after a PWR_ON request. + */ + if (!ret && power_state == I2C_HID_PWR_ON) + msleep(60); + return ret; } @@ -441,15 +454,6 @@ static int i2c_hid_hwreset(struct i2c_client *client) if (ret) goto out_unlock; - /* - * The HID over I2C specification states that if a DEVICE needs time - * after the PWR_ON request, it should utilise CLOCK stretching. - * However, it has been observered that the Windows driver provides a - * 1ms sleep between the PWR_ON and RESET requests and that some devices - * rely on this. - */ - usleep_range(1000, 5000); - i2c_hid_dbg(ihid, "resetting...\n"); ret = i2c_hid_command(client, &hid_reset_cmd, NULL, 0); diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c index 492dd641a25df2..17a29ee0ac6c23 100644 --- a/drivers/hid/usbhid/hid-core.c +++ b/drivers/hid/usbhid/hid-core.c @@ -26,7 +26,6 @@ #include <linux/wait.h> #include <linux/workqueue.h> #include <linux/string.h> -#include <linux/timekeeping.h> #include <linux/usb.h> @@ -96,18 +95,6 @@ static int hid_start_in(struct hid_device *hid) set_bit(HID_NO_BANDWIDTH, &usbhid->iofl); } else { clear_bit(HID_NO_BANDWIDTH, &usbhid->iofl); - - if (test_bit(HID_RESUME_RUNNING, &usbhid->iofl)) { - /* - * In case events are generated while nobody was - * listening, some are released when the device - * is re-opened. Wait 50 msec for the queue to - * empty before allowing events to go through - * hid. - */ - usbhid->input_start_time = - ktime_add_ms(ktime_get_coarse(), 50); - } } } spin_unlock_irqrestore(&usbhid->lock, flags); @@ -293,23 +280,20 @@ static void hid_irq_in(struct urb *urb) if (!test_bit(HID_OPENED, &usbhid->iofl)) break; usbhid_mark_busy(usbhid); - if (test_bit(HID_RESUME_RUNNING, &usbhid->iofl)) { - if (ktime_before(ktime_get_coarse(), - usbhid->input_start_time)) - break; - clear_bit(HID_RESUME_RUNNING, &usbhid->iofl); + if (!test_bit(HID_RESUME_RUNNING, &usbhid->iofl)) { + hid_input_report(urb->context, HID_INPUT_REPORT, + urb->transfer_buffer, + urb->actual_length, 1); + /* + * autosuspend refused while keys are pressed + * because most keyboards don't wake up when + * a key is released + */ + if (hid_check_keys_pressed(hid)) + set_bit(HID_KEYS_PRESSED, &usbhid->iofl); + else + clear_bit(HID_KEYS_PRESSED, &usbhid->iofl); } - hid_input_report(urb->context, HID_INPUT_REPORT, - urb->transfer_buffer, urb->actual_length, 1); - /* - * autosuspend refused while keys are pressed - * because most keyboards don't wake up when - * a key is released - */ - if (hid_check_keys_pressed(hid)) - set_bit(HID_KEYS_PRESSED, &usbhid->iofl); - else - clear_bit(HID_KEYS_PRESSED, &usbhid->iofl); break; case -EPIPE: /* stall */ usbhid_mark_busy(usbhid); @@ -736,6 +720,17 @@ static int usbhid_open(struct hid_device *hid) usb_autopm_put_interface(usbhid->intf); + /* + * In case events are generated while nobody was listening, + * some are released when the device is re-opened. + * Wait 50 msec for the queue to empty before allowing events + * to go through hid. + */ + if (res == 0) + msleep(50); + + clear_bit(HID_RESUME_RUNNING, &usbhid->iofl); + Done: mutex_unlock(&usbhid->mutex); return res; diff --git a/drivers/hid/usbhid/hiddev.c b/drivers/hid/usbhid/hiddev.c index 4140dea693e909..45e0b1c75cb112 100644 --- a/drivers/hid/usbhid/hiddev.c +++ b/drivers/hid/usbhid/hiddev.c @@ -519,12 +519,16 @@ static noinline int hiddev_ioctl_usage(struct hiddev *hiddev, unsigned int cmd, switch (cmd) { case HIDIOCGUSAGE: + if (uref->usage_index >= field->report_count) + goto inval; uref->value = field->value[uref->usage_index]; if (copy_to_user(user_arg, uref, sizeof(*uref))) goto fault; goto goodreturn; case HIDIOCSUSAGE: + if (uref->usage_index >= field->report_count) + goto inval; field->value[uref->usage_index] = uref->value; goto goodreturn; @@ -781,7 +785,6 @@ static long hiddev_ioctl(struct file *file, unsigned int cmd, unsigned long arg) break; case HIDIOCGUCODE: - /* fall through */ case HIDIOCGUSAGE: case HIDIOCSUSAGE: case HIDIOCGUSAGES: diff --git a/drivers/hid/usbhid/usbhid.h b/drivers/hid/usbhid/usbhid.h index c6ad684d099a10..75fe85d3d27a0a 100644 --- a/drivers/hid/usbhid/usbhid.h +++ b/drivers/hid/usbhid/usbhid.h @@ -13,7 +13,6 @@ #include <linux/types.h> #include <linux/slab.h> -#include <linux/ktime.h> #include <linux/list.h> #include <linux/mutex.h> #include <linux/timer.h> @@ -84,7 +83,6 @@ struct usbhid_device { struct mutex mutex; /* start/stop/open/close */ spinlock_t lock; /* fifo spinlock */ unsigned long iofl; /* I/O flags (CTRL_RUNNING, OUT_RUNNING) */ - ktime_t input_start_time; /* When to start handling input */ struct timer_list io_retry; /* Retry timer */ unsigned long stop_retry; /* Time to give up, in jiffies */ unsigned int retry_delay; /* Delay length in ms */ diff --git a/drivers/hid/wacom_wac.c b/drivers/hid/wacom_wac.c index 1c96809b51c909..83dfec327c422b 100644 --- a/drivers/hid/wacom_wac.c +++ b/drivers/hid/wacom_wac.c @@ -341,7 +341,7 @@ static int wacom_graphire_irq(struct wacom_wac *wacom) case 2: /* Mouse with wheel */ input_report_key(input, BTN_MIDDLE, data[1] & 0x04); - /* fall through */ + fallthrough; case 3: /* Mouse without wheel */ wacom->tool[0] = BTN_TOOL_MOUSE; @@ -1201,7 +1201,7 @@ static int wacom_intuos_bt_irq(struct wacom_wac *wacom, size_t len) case 0x04: wacom_intuos_bt_process_data(wacom, data + i); i += 10; - /* fall through */ + fallthrough; case 0x03: wacom_intuos_bt_process_data(wacom, data + i); i += 10; @@ -2148,7 +2148,7 @@ static void wacom_wac_pad_event(struct hid_device *hdev, struct hid_field *field for (i = 0; i < wacom->led.count; i++) wacom_update_led(wacom, features->numbered_buttons, value, i); - /* fall through*/ + fallthrough; default: do_report = true; break; @@ -3602,14 +3602,14 @@ int wacom_setup_pen_input_capabilities(struct input_dev *input_dev, switch (features->type) { case GRAPHIRE_BT: __clear_bit(ABS_MISC, input_dev->absbit); - /* fall through */ + fallthrough; case WACOM_MO: case WACOM_G4: input_set_abs_params(input_dev, ABS_DISTANCE, 0, features->distance_max, features->distance_fuzz, 0); - /* fall through */ + fallthrough; case GRAPHIRE: input_set_capability(input_dev, EV_REL, REL_WHEEL); @@ -3649,7 +3649,7 @@ int wacom_setup_pen_input_capabilities(struct input_dev *input_dev, case INTUOS4S: input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0); input_abs_set_res(input_dev, ABS_Z, 287); - /* fall through */ + fallthrough; case INTUOS: wacom_setup_intuos(wacom_wac); @@ -3682,7 +3682,7 @@ int wacom_setup_pen_input_capabilities(struct input_dev *input_dev, case TABLETPC: case TABLETPCE: __clear_bit(ABS_MISC, input_dev->absbit); - /* fall through */ + fallthrough; case DTUS: case DTUSX: @@ -3696,7 +3696,7 @@ int wacom_setup_pen_input_capabilities(struct input_dev *input_dev, case PTU: __set_bit(BTN_STYLUS2, input_dev->keybit); - /* fall through */ + fallthrough; case PENPARTNER: __set_bit(BTN_TOOL_PEN, input_dev->keybit); @@ -3799,7 +3799,7 @@ int wacom_setup_touch_input_capabilities(struct input_dev *input_dev, input_abs_set_res(input_dev, ABS_MT_POSITION_X, 40); input_abs_set_res(input_dev, ABS_MT_POSITION_Y, 40); - /* fall through */ + fallthrough; case INTUOS5: case INTUOS5L: @@ -3817,7 +3817,7 @@ int wacom_setup_touch_input_capabilities(struct input_dev *input_dev, input_set_abs_params(input_dev, ABS_MT_WIDTH_MAJOR, 0, features->x_max, 0, 0); input_set_abs_params(input_dev, ABS_MT_WIDTH_MINOR, 0, features->y_max, 0, 0); input_set_abs_params(input_dev, ABS_MT_ORIENTATION, 0, 1, 0, 0); - /* fall through */ + fallthrough; case WACOM_27QHDT: if (wacom_wac->shared->touch->product == 0x32C || @@ -3826,14 +3826,14 @@ int wacom_setup_touch_input_capabilities(struct input_dev *input_dev, __set_bit(SW_MUTE_DEVICE, input_dev->swbit); wacom_wac->shared->has_mute_touch_switch = true; } - /* fall through */ + fallthrough; case MTSCREEN: case MTTPC: case MTTPC_B: case TABLETPC2FG: input_mt_init_slots(input_dev, features->touch_max, INPUT_MT_DIRECT); - /*fall through */ + fallthrough; case TABLETPC: case TABLETPCE: @@ -3843,7 +3843,7 @@ int wacom_setup_touch_input_capabilities(struct input_dev *input_dev, case INTUOSHT2: input_dev->evbit[0] |= BIT_MASK(EV_SW); __set_bit(SW_MUTE_DEVICE, input_dev->swbit); - /* fall through */ + fallthrough; case BAMBOO_PT: case BAMBOO_TOUCH: @@ -4099,7 +4099,7 @@ int wacom_setup_pad_input_capabilities(struct input_dev *input_dev, __set_bit(KEY_BUTTONCONFIG, input_dev->keybit); __set_bit(KEY_INFO, input_dev->keybit); - /* fall through */ + fallthrough; case WACOM_21UX2: case WACOM_BEE: @@ -4115,7 +4115,7 @@ int wacom_setup_pad_input_capabilities(struct input_dev *input_dev, case INTUOS3: case INTUOS3L: input_set_abs_params(input_dev, ABS_RY, 0, 4096, 0, 0); - /* fall through */ + fallthrough; case INTUOS3S: input_set_abs_params(input_dev, ABS_RX, 0, 4096, 0, 0); @@ -4139,7 +4139,7 @@ int wacom_setup_pad_input_capabilities(struct input_dev *input_dev, * ID_INPUT_TABLET to be set. */ __set_bit(BTN_STYLUS, input_dev->keybit); - /* fall through */ + fallthrough; case INTUOS4: case INTUOS4L: diff --git a/drivers/hsi/clients/ssi_protocol.c b/drivers/hsi/clients/ssi_protocol.c index 365b5d5967accf..96d0eccca3aa74 100644 --- a/drivers/hsi/clients/ssi_protocol.c +++ b/drivers/hsi/clients/ssi_protocol.c @@ -291,7 +291,7 @@ static void ssip_set_rxstate(struct ssi_protocol *ssi, unsigned int state) /* CMT speech workaround */ if (atomic_read(&ssi->tx_usecnt)) break; - /* Else, fall through */ + fallthrough; case RECEIVING: mod_timer(&ssi->keep_alive, jiffies + msecs_to_jiffies(SSIP_KATOUT)); @@ -466,7 +466,7 @@ static void ssip_keep_alive(struct timer_list *t) case SEND_READY: if (atomic_read(&ssi->tx_usecnt) == 0) break; - /* Fall through */ + fallthrough; /* * Workaround for cmt-speech in that case * we relay on audio timers. @@ -668,7 +668,7 @@ static void ssip_rx_bootinforeq(struct hsi_client *cl, u32 cmd) case ACTIVE: dev_err(&cl->device, "Boot info req on active state\n"); ssip_error(cl); - /* Fall through */ + fallthrough; case INIT: case HANDSHAKE: spin_lock_bh(&ssi->lock); diff --git a/drivers/hsi/controllers/omap_ssi_core.c b/drivers/hsi/controllers/omap_ssi_core.c index 4bc4a201f0f6c2..fa69b94debd9b5 100644 --- a/drivers/hsi/controllers/omap_ssi_core.c +++ b/drivers/hsi/controllers/omap_ssi_core.c @@ -296,7 +296,7 @@ static int ssi_clk_event(struct notifier_block *nb, unsigned long event, break; case ABORT_RATE_CHANGE: dev_dbg(&ssi->device, "abort rate change\n"); - /* Fall through */ + fallthrough; case POST_RATE_CHANGE: dev_dbg(&ssi->device, "post rate change (%lu -> %lu)\n", clk_data->old_rate, clk_data->new_rate); diff --git a/drivers/hv/channel_mgmt.c b/drivers/hv/channel_mgmt.c index 591106cf58fc08..1d44bb635bb845 100644 --- a/drivers/hv/channel_mgmt.c +++ b/drivers/hv/channel_mgmt.c @@ -731,7 +731,7 @@ static void vmbus_wait_for_unload(void) void *page_addr; struct hv_message *msg; struct vmbus_channel_message_header *hdr; - u32 message_type; + u32 message_type, i; /* * CHANNELMSG_UNLOAD_RESPONSE is always delivered to the CPU which was @@ -741,8 +741,11 @@ static void vmbus_wait_for_unload(void) * functional and vmbus_unload_response() will complete * vmbus_connection.unload_event. If not, the last thing we can do is * read message pages for all CPUs directly. + * + * Wait no more than 10 seconds so that the panic path can't get + * hung forever in case the response message isn't seen. */ - while (1) { + for (i = 0; i < 1000; i++) { if (completion_done(&vmbus_connection.unload_event)) break; diff --git a/drivers/hv/hv_kvp.c b/drivers/hv/hv_kvp.c index e74b144b8f3d40..754d35a25a1cc1 100644 --- a/drivers/hv/hv_kvp.c +++ b/drivers/hv/hv_kvp.c @@ -354,7 +354,7 @@ static void process_ib_ipinfo(void *in_msg, void *out_msg, int op) out->body.kvp_ip_val.dhcp_enabled = in->kvp_ip_val.dhcp_enabled; - /* fallthrough */ + fallthrough; case KVP_OP_GET_IP_INFO: utf16s_to_utf8s((wchar_t *)in->kvp_ip_val.adapter_id, diff --git a/drivers/hv/hv_util.c b/drivers/hv/hv_util.c index 92ee0fe4c919ec..a4e8d96513c22e 100644 --- a/drivers/hv/hv_util.c +++ b/drivers/hv/hv_util.c @@ -282,26 +282,52 @@ static struct { spinlock_t lock; } host_ts; -static struct timespec64 hv_get_adj_host_time(void) +static inline u64 reftime_to_ns(u64 reftime) { - struct timespec64 ts; - u64 newtime, reftime; + return (reftime - WLTIMEDELTA) * 100; +} + +/* + * Hard coded threshold for host timesync delay: 600 seconds + */ +static const u64 HOST_TIMESYNC_DELAY_THRESH = 600 * (u64)NSEC_PER_SEC; + +static int hv_get_adj_host_time(struct timespec64 *ts) +{ + u64 newtime, reftime, timediff_adj; unsigned long flags; + int ret = 0; spin_lock_irqsave(&host_ts.lock, flags); reftime = hv_read_reference_counter(); - newtime = host_ts.host_time + (reftime - host_ts.ref_time); - ts = ns_to_timespec64((newtime - WLTIMEDELTA) * 100); + + /* + * We need to let the caller know that last update from host + * is older than the max allowable threshold. clock_gettime() + * and PTP ioctl do not have a documented error that we could + * return for this specific case. Use ESTALE to report this. + */ + timediff_adj = reftime - host_ts.ref_time; + if (timediff_adj * 100 > HOST_TIMESYNC_DELAY_THRESH) { + pr_warn_once("TIMESYNC IC: Stale time stamp, %llu nsecs old\n", + (timediff_adj * 100)); + ret = -ESTALE; + } + + newtime = host_ts.host_time + timediff_adj; + *ts = ns_to_timespec64(reftime_to_ns(newtime)); spin_unlock_irqrestore(&host_ts.lock, flags); - return ts; + return ret; } static void hv_set_host_time(struct work_struct *work) { - struct timespec64 ts = hv_get_adj_host_time(); - do_settimeofday64(&ts); + struct timespec64 ts; + + if (!hv_get_adj_host_time(&ts)) + do_settimeofday64(&ts); } /* @@ -361,10 +387,23 @@ static void timesync_onchannelcallback(void *context) struct ictimesync_ref_data *refdata; u8 *time_txf_buf = util_timesynch.recv_buffer; - vmbus_recvpacket(channel, time_txf_buf, - HV_HYP_PAGE_SIZE, &recvlen, &requestid); + /* + * Drain the ring buffer and use the last packet to update + * host_ts + */ + while (1) { + int ret = vmbus_recvpacket(channel, time_txf_buf, + HV_HYP_PAGE_SIZE, &recvlen, + &requestid); + if (ret) { + pr_warn_once("TimeSync IC pkt recv failed (Err: %d)\n", + ret); + break; + } + + if (!recvlen) + break; - if (recvlen > 0) { icmsghdrp = (struct icmsg_hdr *)&time_txf_buf[ sizeof(struct vmbuspipe_hdr)]; @@ -622,9 +661,7 @@ static int hv_ptp_adjtime(struct ptp_clock_info *ptp, s64 delta) static int hv_ptp_gettime(struct ptp_clock_info *info, struct timespec64 *ts) { - *ts = hv_get_adj_host_time(); - - return 0; + return hv_get_adj_host_time(ts); } static struct ptp_clock_info ptp_hyperv_info = { diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c index 910b6e90866cae..946d0aba101f4a 100644 --- a/drivers/hv/vmbus_drv.c +++ b/drivers/hv/vmbus_drv.c @@ -2382,7 +2382,10 @@ static int vmbus_bus_suspend(struct device *dev) if (atomic_read(&vmbus_connection.nr_chan_close_on_suspend) > 0) wait_for_completion(&vmbus_connection.ready_for_suspend_event); - WARN_ON(atomic_read(&vmbus_connection.nr_chan_fixup_on_resume) != 0); + if (atomic_read(&vmbus_connection.nr_chan_fixup_on_resume) != 0) { + pr_err("Can not suspend due to a previous failed resuming\n"); + return -EBUSY; + } mutex_lock(&vmbus_connection.channel_mutex); @@ -2456,7 +2459,9 @@ static int vmbus_bus_resume(struct device *dev) vmbus_request_offers(); - wait_for_completion(&vmbus_connection.ready_for_resume_event); + if (wait_for_completion_timeout( + &vmbus_connection.ready_for_resume_event, 10 * HZ) == 0) + pr_err("Some vmbus device is missing after suspending?\n"); /* Reset the event for the next suspend. */ reinit_completion(&vmbus_connection.ready_for_suspend_event); diff --git a/drivers/hwmon/adt7462.c b/drivers/hwmon/adt7462.c index 319a0519ebdb0f..208813158bb405 100644 --- a/drivers/hwmon/adt7462.c +++ b/drivers/hwmon/adt7462.c @@ -435,7 +435,7 @@ static const char *voltage_label(struct adt7462_data *data, int which) case 3: return "+1.5V"; } - /* fall through */ + fallthrough; case 2: if (!(data->pin_cfg[1] & ADT7462_PIN22_INPUT)) return "+12V3"; @@ -493,7 +493,7 @@ static const char *voltage_label(struct adt7462_data *data, int which) case 3: return "+1.5"; } - /* fall through */ + fallthrough; case 11: if (data->pin_cfg[3] >> ADT7462_PIN28_SHIFT == ADT7462_PIN28_VOLT && @@ -531,7 +531,7 @@ static int voltage_multiplier(struct adt7462_data *data, int which) case 3: return 7800; } - /* fall through */ + fallthrough; case 2: if (!(data->pin_cfg[1] & ADT7462_PIN22_INPUT)) return 62500; @@ -589,7 +589,7 @@ static int voltage_multiplier(struct adt7462_data *data, int which) case 3: return 7800; } - /* fall through */ + fallthrough; case 11: case 12: if (data->pin_cfg[3] >> ADT7462_PIN28_SHIFT == diff --git a/drivers/hwmon/applesmc.c b/drivers/hwmon/applesmc.c index 31661840931577..a18887990f4a21 100644 --- a/drivers/hwmon/applesmc.c +++ b/drivers/hwmon/applesmc.c @@ -753,15 +753,18 @@ static ssize_t applesmc_light_show(struct device *dev, } ret = applesmc_read_key(LIGHT_SENSOR_LEFT_KEY, buffer, data_length); + if (ret) + goto out; /* newer macbooks report a single 10-bit bigendian value */ if (data_length == 10) { left = be16_to_cpu(*(__be16 *)(buffer + 6)) >> 2; goto out; } left = buffer[2]; + + ret = applesmc_read_key(LIGHT_SENSOR_RIGHT_KEY, buffer, data_length); if (ret) goto out; - ret = applesmc_read_key(LIGHT_SENSOR_RIGHT_KEY, buffer, data_length); right = buffer[2]; out: @@ -810,12 +813,11 @@ static ssize_t applesmc_show_fan_speed(struct device *dev, to_index(attr)); ret = applesmc_read_key(newkey, buffer, 2); - speed = ((buffer[0] << 8 | buffer[1]) >> 2); - if (ret) return ret; - else - return snprintf(sysfsbuf, PAGE_SIZE, "%u\n", speed); + + speed = ((buffer[0] << 8 | buffer[1]) >> 2); + return snprintf(sysfsbuf, PAGE_SIZE, "%u\n", speed); } static ssize_t applesmc_store_fan_speed(struct device *dev, @@ -851,12 +853,11 @@ static ssize_t applesmc_show_fan_manual(struct device *dev, u8 buffer[2]; ret = applesmc_read_key(FANS_MANUAL, buffer, 2); - manual = ((buffer[0] << 8 | buffer[1]) >> to_index(attr)) & 0x01; - if (ret) return ret; - else - return snprintf(sysfsbuf, PAGE_SIZE, "%d\n", manual); + + manual = ((buffer[0] << 8 | buffer[1]) >> to_index(attr)) & 0x01; + return snprintf(sysfsbuf, PAGE_SIZE, "%d\n", manual); } static ssize_t applesmc_store_fan_manual(struct device *dev, @@ -872,10 +873,11 @@ static ssize_t applesmc_store_fan_manual(struct device *dev, return -EINVAL; ret = applesmc_read_key(FANS_MANUAL, buffer, 2); - val = (buffer[0] << 8 | buffer[1]); if (ret) goto out; + val = (buffer[0] << 8 | buffer[1]); + if (input) val = val | (0x01 << to_index(attr)); else @@ -951,13 +953,12 @@ static ssize_t applesmc_key_count_show(struct device *dev, u32 count; ret = applesmc_read_key(KEY_COUNT_KEY, buffer, 4); - count = ((u32)buffer[0]<<24) + ((u32)buffer[1]<<16) + - ((u32)buffer[2]<<8) + buffer[3]; - if (ret) return ret; - else - return snprintf(sysfsbuf, PAGE_SIZE, "%d\n", count); + + count = ((u32)buffer[0]<<24) + ((u32)buffer[1]<<16) + + ((u32)buffer[2]<<8) + buffer[3]; + return snprintf(sysfsbuf, PAGE_SIZE, "%d\n", count); } static ssize_t applesmc_key_at_index_read_show(struct device *dev, diff --git a/drivers/hwmon/emc1403.c b/drivers/hwmon/emc1403.c index cf0962f7a02033..e9c0bbc2caa956 100644 --- a/drivers/hwmon/emc1403.c +++ b/drivers/hwmon/emc1403.c @@ -406,10 +406,10 @@ static int emc1403_probe(struct i2c_client *client, switch (id->driver_data) { case emc1404: data->groups[2] = &emc1404_group; - /* fall through */ + fallthrough; case emc1403: data->groups[1] = &emc1403_group; - /* fall through */ + fallthrough; case emc1402: data->groups[0] = &emc1402_group; } diff --git a/drivers/hwmon/f71882fg.c b/drivers/hwmon/f71882fg.c index d09deb409de7a0..4dec793fd07d57 100644 --- a/drivers/hwmon/f71882fg.c +++ b/drivers/hwmon/f71882fg.c @@ -1285,7 +1285,7 @@ static struct f71882fg_data *f71882fg_update_device(struct device *dev) data->pwm_auto_point_pwm[nr][0] = f71882fg_read8(data, F71882FG_REG_POINT_PWM(nr, 0)); - /* Fall through */ + fallthrough; case f71862fg: data->pwm_auto_point_pwm[nr][1] = f71882fg_read8(data, @@ -2442,7 +2442,7 @@ static int f71882fg_probe(struct platform_device *pdev) case f71869a: /* These always have signed auto point temps */ data->auto_point_temp_signed = 1; - /* Fall through - to select correct fan/pwm reg bank! */ + fallthrough; /* to select correct fan/pwm reg bank! */ case f71889fg: case f71889ed: case f71889a: diff --git a/drivers/hwmon/gsc-hwmon.c b/drivers/hwmon/gsc-hwmon.c index 3dfe2ca2f8c89c..c6d4567f395205 100644 --- a/drivers/hwmon/gsc-hwmon.c +++ b/drivers/hwmon/gsc-hwmon.c @@ -172,6 +172,7 @@ gsc_hwmon_read(struct device *dev, enum hwmon_sensor_types type, u32 attr, case mode_temperature: if (tmp > 0x8000) tmp -= 0xffff; + tmp *= 100; /* convert to millidegrees celsius */ break; case mode_voltage_raw: tmp = clamp_val(tmp, 0, BIT(GSC_HWMON_RESOLUTION)); diff --git a/drivers/hwmon/hwmon-vid.c b/drivers/hwmon/hwmon-vid.c index eb72e390844ecd..6d1175a5183264 100644 --- a/drivers/hwmon/hwmon-vid.c +++ b/drivers/hwmon/hwmon-vid.c @@ -96,7 +96,7 @@ int vid_from_reg(int val, u8 vrm) val &= 0x1f; if (val == 0x1f) return 0; - /* fall through */ + fallthrough; case 25: /* AMD NPT 0Fh */ val &= 0x3f; return (val < 32) ? 1550 - 25 * val @@ -122,7 +122,7 @@ int vid_from_reg(int val, u8 vrm) case 84: /* VRM 8.4 */ val &= 0x0f; - /* fall through */ + fallthrough; case 82: /* VRM 8.2 */ val &= 0x1f; return val == 0x1f ? 0 : diff --git a/drivers/hwmon/ina3221.c b/drivers/hwmon/ina3221.c index 7fc5b065ad8b23..81e155692aba57 100644 --- a/drivers/hwmon/ina3221.c +++ b/drivers/hwmon/ina3221.c @@ -352,7 +352,7 @@ static int ina3221_read_curr(struct device *dev, u32 attr, if (ret) return ret; - /* fall through */ + fallthrough; case hwmon_curr_crit: case hwmon_curr_max: if (!resistance_uo) diff --git a/drivers/hwmon/nct6775.c b/drivers/hwmon/nct6775.c index 750b08713dee50..5bd15622a85f94 100644 --- a/drivers/hwmon/nct6775.c +++ b/drivers/hwmon/nct6775.c @@ -2669,7 +2669,7 @@ static void pwm_update_registers(struct nct6775_data *data, int nr) case thermal_cruise: nct6775_write_value(data, data->REG_TARGET[nr], data->target_temp[nr]); - /* fall through */ + fallthrough; default: reg = nct6775_read_value(data, data->REG_FAN_MODE[nr]); reg = (reg & ~data->tolerance_mask) | diff --git a/drivers/hwmon/nct7904.c b/drivers/hwmon/nct7904.c index b0425694f70225..242ff8bee78dd7 100644 --- a/drivers/hwmon/nct7904.c +++ b/drivers/hwmon/nct7904.c @@ -231,7 +231,7 @@ static int nct7904_read_fan(struct device *dev, u32 attr, int channel, if (ret < 0) return ret; cnt = ((ret & 0xff00) >> 3) | (ret & 0x1f); - if (cnt == 0x1fff) + if (cnt == 0 || cnt == 0x1fff) rpm = 0; else rpm = 1350000 / cnt; @@ -243,7 +243,7 @@ static int nct7904_read_fan(struct device *dev, u32 attr, int channel, if (ret < 0) return ret; cnt = ((ret & 0xff00) >> 3) | (ret & 0x1f); - if (cnt == 0x1fff) + if (cnt == 0 || cnt == 0x1fff) rpm = 0; else rpm = 1350000 / cnt; diff --git a/drivers/hwmon/occ/common.c b/drivers/hwmon/occ/common.c index 30e18eb60da79e..a71777990d4960 100644 --- a/drivers/hwmon/occ/common.c +++ b/drivers/hwmon/occ/common.c @@ -752,7 +752,7 @@ static int occ_setup_sensor_attrs(struct occ *occ) switch (sensors->freq.version) { case 2: show_freq = occ_show_freq_2; - /* fall through */ + fallthrough; case 1: num_attrs += (sensors->freq.num_sensors * 2); break; @@ -763,7 +763,7 @@ static int occ_setup_sensor_attrs(struct occ *occ) switch (sensors->power.version) { case 2: show_power = occ_show_power_2; - /* fall through */ + fallthrough; case 1: num_attrs += (sensors->power.num_sensors * 4); break; @@ -781,7 +781,7 @@ static int occ_setup_sensor_attrs(struct occ *occ) break; case 3: show_caps = occ_show_caps_3; - /* fall through */ + fallthrough; case 2: num_attrs += (sensors->caps.num_sensors * 8); break; diff --git a/drivers/hwmon/pmbus/isl68137.c b/drivers/hwmon/pmbus/isl68137.c index 0c622711ef7e0e..58aa95a3c010cd 100644 --- a/drivers/hwmon/pmbus/isl68137.c +++ b/drivers/hwmon/pmbus/isl68137.c @@ -67,6 +67,7 @@ enum variants { raa_dmpvr1_2rail, raa_dmpvr2_1rail, raa_dmpvr2_2rail, + raa_dmpvr2_2rail_nontc, raa_dmpvr2_3rail, raa_dmpvr2_hv, }; @@ -241,6 +242,10 @@ static int isl68137_probe(struct i2c_client *client, info->pages = 1; info->read_word_data = raa_dmpvr2_read_word_data; break; + case raa_dmpvr2_2rail_nontc: + info->func[0] &= ~PMBUS_HAVE_TEMP; + info->func[1] &= ~PMBUS_HAVE_TEMP; + fallthrough; case raa_dmpvr2_2rail: info->pages = 2; info->read_word_data = raa_dmpvr2_read_word_data; @@ -304,7 +309,7 @@ static const struct i2c_device_id raa_dmpvr_id[] = { {"raa228000", raa_dmpvr2_hv}, {"raa228004", raa_dmpvr2_hv}, {"raa228006", raa_dmpvr2_hv}, - {"raa228228", raa_dmpvr2_2rail}, + {"raa228228", raa_dmpvr2_2rail_nontc}, {"raa229001", raa_dmpvr2_2rail}, {"raa229004", raa_dmpvr2_2rail}, {} diff --git a/drivers/hwmon/w83627hf.c b/drivers/hwmon/w83627hf.c index e1d10a6b7f7c05..a07b97400cba35 100644 --- a/drivers/hwmon/w83627hf.c +++ b/drivers/hwmon/w83627hf.c @@ -1213,7 +1213,7 @@ temp_type_store(struct device *dev, struct device_attribute *devattr, case W83781D_DEFAULT_BETA: dev_warn(dev, "Sensor type %d is deprecated, please use 4 " "instead\n", W83781D_DEFAULT_BETA); - /* fall through */ + fallthrough; case 4: /* thermistor */ tmp = w83627hf_read_value(data, W83781D_REG_SCFG1); w83627hf_write_value(data, W83781D_REG_SCFG1, diff --git a/drivers/hwmon/w83781d.c b/drivers/hwmon/w83781d.c index 015f1ea319669e..d833a4f16c47b8 100644 --- a/drivers/hwmon/w83781d.c +++ b/drivers/hwmon/w83781d.c @@ -814,7 +814,7 @@ store_sensor(struct device *dev, struct device_attribute *da, dev_warn(dev, "Sensor type %d is deprecated, please use 4 instead\n", W83781D_DEFAULT_BETA); - /* fall through */ + fallthrough; case 4: /* thermistor */ tmp = w83781d_read_value(data, W83781D_REG_SCFG1); w83781d_write_value(data, W83781D_REG_SCFG1, diff --git a/drivers/hwmon/w83795.c b/drivers/hwmon/w83795.c index 44f68b965aec30..6d52b530b429dc 100644 --- a/drivers/hwmon/w83795.c +++ b/drivers/hwmon/w83795.c @@ -2127,7 +2127,7 @@ static void w83795_apply_temp_config(struct w83795_data *data, u8 config, if (temp_chan >= 4) break; data->temp_mode |= 1 << temp_chan; - /* fall through */ + fallthrough; case 0x3: /* Thermistor */ data->has_temp |= 1 << temp_chan; break; diff --git a/drivers/hwtracing/coresight/coresight-cpu-debug.c b/drivers/hwtracing/coresight/coresight-cpu-debug.c index 96544b348c273f..7e642fb3ed15cc 100644 --- a/drivers/hwtracing/coresight/coresight-cpu-debug.c +++ b/drivers/hwtracing/coresight/coresight-cpu-debug.c @@ -346,10 +346,10 @@ static void debug_init_arch_data(void *info) switch (mode) { case EDDEVID_IMPL_FULL: drvdata->edvidsr_present = true; - /* Fall through */ + fallthrough; case EDDEVID_IMPL_EDPCSR_EDCIDSR: drvdata->edcidsr_present = true; - /* Fall through */ + fallthrough; case EDDEVID_IMPL_EDPCSR: /* * In ARM DDI 0487A.k, the EDDEVID1.PCSROffset is used to diff --git a/drivers/hwtracing/coresight/coresight-etm4x.c b/drivers/hwtracing/coresight/coresight-etm4x.c index 6d7d2169bfb267..96425e818fc20f 100644 --- a/drivers/hwtracing/coresight/coresight-etm4x.c +++ b/drivers/hwtracing/coresight/coresight-etm4x.c @@ -1382,7 +1382,6 @@ static int etm4_cpu_pm_notify(struct notifier_block *nb, unsigned long cmd, return NOTIFY_BAD; break; case CPU_PM_EXIT: - /* fallthrough */ case CPU_PM_ENTER_FAILED: if (drvdata->state_needs_restore) etm4_cpu_restore(drvdata); diff --git a/drivers/hwtracing/coresight/coresight-tmc.c b/drivers/hwtracing/coresight/coresight-tmc.c index 7040d583bed9e9..9ca3aaafcfbc27 100644 --- a/drivers/hwtracing/coresight/coresight-tmc.c +++ b/drivers/hwtracing/coresight/coresight-tmc.c @@ -84,9 +84,7 @@ u32 tmc_get_memwidth_mask(struct tmc_drvdata *drvdata) */ switch (drvdata->memwidth) { case TMC_MEM_INTF_WIDTH_32BITS: - /* fallthrough */ case TMC_MEM_INTF_WIDTH_64BITS: - /* fallthrough */ case TMC_MEM_INTF_WIDTH_128BITS: mask = GENMASK(31, 4); break; diff --git a/drivers/hwtracing/intel_th/sth.c b/drivers/hwtracing/intel_th/sth.c index a1529f571491d9..9ca8c4e045f8b6 100644 --- a/drivers/hwtracing/intel_th/sth.c +++ b/drivers/hwtracing/intel_th/sth.c @@ -84,11 +84,11 @@ static ssize_t notrace sth_stm_packet(struct stm_data *stm_data, /* Global packets (GERR, XSYNC, TRIG) are sent with register writes */ case STP_PACKET_GERR: reg += 4; - /* fall through */ + fallthrough; case STP_PACKET_XSYNC: reg += 8; - /* fall through */ + fallthrough; case STP_PACKET_TRIG: if (flags & STP_PACKET_TIMESTAMPED) diff --git a/drivers/i2c/algos/i2c-algo-pca.c b/drivers/i2c/algos/i2c-algo-pca.c index 710fbef9a9c209..384af88e58adae 100644 --- a/drivers/i2c/algos/i2c-algo-pca.c +++ b/drivers/i2c/algos/i2c-algo-pca.c @@ -41,8 +41,22 @@ static void pca_reset(struct i2c_algo_pca_data *adap) pca_outw(adap, I2C_PCA_INDPTR, I2C_PCA_IPRESET); pca_outw(adap, I2C_PCA_IND, 0xA5); pca_outw(adap, I2C_PCA_IND, 0x5A); + + /* + * After a reset we need to re-apply any configuration + * (calculated in pca_init) to get the bus in a working state. + */ + pca_outw(adap, I2C_PCA_INDPTR, I2C_PCA_IMODE); + pca_outw(adap, I2C_PCA_IND, adap->bus_settings.mode); + pca_outw(adap, I2C_PCA_INDPTR, I2C_PCA_ISCLL); + pca_outw(adap, I2C_PCA_IND, adap->bus_settings.tlow); + pca_outw(adap, I2C_PCA_INDPTR, I2C_PCA_ISCLH); + pca_outw(adap, I2C_PCA_IND, adap->bus_settings.thi); + + pca_set_con(adap, I2C_PCA_CON_ENSIO); } else { adap->reset_chip(adap->data); + pca_set_con(adap, I2C_PCA_CON_ENSIO | adap->bus_settings.clock_freq); } } @@ -423,13 +437,14 @@ static int pca_init(struct i2c_adapter *adap) " Use the nominal frequency.\n", adap->name); } - pca_reset(pca_data); - clock = pca_clock(pca_data); printk(KERN_INFO "%s: Clock frequency is %dkHz\n", adap->name, freqs[clock]); - pca_set_con(pca_data, I2C_PCA_CON_ENSIO | clock); + /* Store settings as these will be needed when the PCA chip is reset */ + pca_data->bus_settings.clock_freq = clock; + + pca_reset(pca_data); } else { int clock; int mode; @@ -496,19 +511,15 @@ static int pca_init(struct i2c_adapter *adap) thi = tlow * min_thi / min_tlow; } + /* Store settings as these will be needed when the PCA chip is reset */ + pca_data->bus_settings.mode = mode; + pca_data->bus_settings.tlow = tlow; + pca_data->bus_settings.thi = thi; + pca_reset(pca_data); printk(KERN_INFO "%s: Clock frequency is %dHz\n", adap->name, clock * 100); - - pca_outw(pca_data, I2C_PCA_INDPTR, I2C_PCA_IMODE); - pca_outw(pca_data, I2C_PCA_IND, mode); - pca_outw(pca_data, I2C_PCA_INDPTR, I2C_PCA_ISCLL); - pca_outw(pca_data, I2C_PCA_IND, tlow); - pca_outw(pca_data, I2C_PCA_INDPTR, I2C_PCA_ISCLH); - pca_outw(pca_data, I2C_PCA_IND, thi); - - pca_set_con(pca_data, I2C_PCA_CON_ENSIO); } udelay(500); /* 500 us for oscillator to stabilise */ diff --git a/drivers/i2c/busses/i2c-aspeed.c b/drivers/i2c/busses/i2c-aspeed.c index 31268074c4221e..724bf30600d609 100644 --- a/drivers/i2c/busses/i2c-aspeed.c +++ b/drivers/i2c/busses/i2c-aspeed.c @@ -69,6 +69,7 @@ * These share bit definitions, so use the same values for the enable & * status bits. */ +#define ASPEED_I2CD_INTR_RECV_MASK 0xf000ffff #define ASPEED_I2CD_INTR_SDA_DL_TIMEOUT BIT(14) #define ASPEED_I2CD_INTR_BUS_RECOVER_DONE BIT(13) #define ASPEED_I2CD_INTR_SLAVE_MATCH BIT(7) @@ -604,6 +605,7 @@ static irqreturn_t aspeed_i2c_bus_irq(int irq, void *dev_id) writel(irq_received & ~ASPEED_I2CD_INTR_RX_DONE, bus->base + ASPEED_I2C_INTR_STS_REG); readl(bus->base + ASPEED_I2C_INTR_STS_REG); + irq_received &= ASPEED_I2CD_INTR_RECV_MASK; irq_remaining = irq_received; #if IS_ENABLED(CONFIG_I2C_SLAVE) diff --git a/drivers/i2c/busses/i2c-bcm-iproc.c b/drivers/i2c/busses/i2c-bcm-iproc.c index 688e9281882146..d8295b1c379d1b 100644 --- a/drivers/i2c/busses/i2c-bcm-iproc.c +++ b/drivers/i2c/busses/i2c-bcm-iproc.c @@ -720,7 +720,7 @@ static int bcm_iproc_i2c_xfer_internal(struct bcm_iproc_i2c_dev *iproc_i2c, /* mark the last byte */ if (!process_call && (i == msg->len - 1)) - val |= 1 << M_TX_WR_STATUS_SHIFT; + val |= BIT(M_TX_WR_STATUS_SHIFT); iproc_i2c_wr_reg(iproc_i2c, M_TX_OFFSET, val); } @@ -738,7 +738,7 @@ static int bcm_iproc_i2c_xfer_internal(struct bcm_iproc_i2c_dev *iproc_i2c, */ addr = i2c_8bit_addr_from_msg(msg); /* mark it the last byte out */ - val = addr | (1 << M_TX_WR_STATUS_SHIFT); + val = addr | BIT(M_TX_WR_STATUS_SHIFT); iproc_i2c_wr_reg(iproc_i2c, M_TX_OFFSET, val); } diff --git a/drivers/i2c/busses/i2c-cpm.c b/drivers/i2c/busses/i2c-cpm.c index 1213e1932ccb5e..24d584a1c9a78f 100644 --- a/drivers/i2c/busses/i2c-cpm.c +++ b/drivers/i2c/busses/i2c-cpm.c @@ -65,6 +65,9 @@ struct i2c_ram { char res1[4]; /* Reserved */ ushort rpbase; /* Relocation pointer */ char res2[2]; /* Reserved */ + /* The following elements are only for CPM2 */ + char res3[4]; /* Reserved */ + uint sdmatmp; /* Internal */ }; #define I2COM_START 0x80 diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c index e32ef3f01fe8b8..bffca729e1c75d 100644 --- a/drivers/i2c/busses/i2c-i801.c +++ b/drivers/i2c/busses/i2c-i801.c @@ -1709,6 +1709,16 @@ static inline int i801_acpi_probe(struct i801_priv *priv) { return 0; } static inline void i801_acpi_remove(struct i801_priv *priv) { } #endif +static unsigned char i801_setup_hstcfg(struct i801_priv *priv) +{ + unsigned char hstcfg = priv->original_hstcfg; + + hstcfg &= ~SMBHSTCFG_I2C_EN; /* SMBus timing */ + hstcfg |= SMBHSTCFG_HST_EN; + pci_write_config_byte(priv->pci_dev, SMBHSTCFG, hstcfg); + return hstcfg; +} + static int i801_probe(struct pci_dev *dev, const struct pci_device_id *id) { unsigned char temp; @@ -1830,14 +1840,10 @@ static int i801_probe(struct pci_dev *dev, const struct pci_device_id *id) return err; } - pci_read_config_byte(priv->pci_dev, SMBHSTCFG, &temp); - priv->original_hstcfg = temp; - temp &= ~SMBHSTCFG_I2C_EN; /* SMBus timing */ - if (!(temp & SMBHSTCFG_HST_EN)) { + pci_read_config_byte(priv->pci_dev, SMBHSTCFG, &priv->original_hstcfg); + temp = i801_setup_hstcfg(priv); + if (!(priv->original_hstcfg & SMBHSTCFG_HST_EN)) dev_info(&dev->dev, "Enabling SMBus device\n"); - temp |= SMBHSTCFG_HST_EN; - } - pci_write_config_byte(priv->pci_dev, SMBHSTCFG, temp); if (temp & SMBHSTCFG_SMB_SMI_EN) { dev_dbg(&dev->dev, "SMBus using interrupt SMI#\n"); @@ -1911,6 +1917,7 @@ static int i801_probe(struct pci_dev *dev, const struct pci_device_id *id) pci_set_drvdata(dev, priv); + dev_pm_set_driver_flags(&dev->dev, DPM_FLAG_NO_DIRECT_COMPLETE); pm_runtime_set_autosuspend_delay(&dev->dev, 1000); pm_runtime_use_autosuspend(&dev->dev); pm_runtime_put_autosuspend(&dev->dev); @@ -1952,10 +1959,9 @@ static void i801_shutdown(struct pci_dev *dev) #ifdef CONFIG_PM_SLEEP static int i801_suspend(struct device *dev) { - struct pci_dev *pci_dev = to_pci_dev(dev); - struct i801_priv *priv = pci_get_drvdata(pci_dev); + struct i801_priv *priv = dev_get_drvdata(dev); - pci_write_config_byte(pci_dev, SMBHSTCFG, priv->original_hstcfg); + pci_write_config_byte(priv->pci_dev, SMBHSTCFG, priv->original_hstcfg); return 0; } @@ -1963,6 +1969,7 @@ static int i801_resume(struct device *dev) { struct i801_priv *priv = dev_get_drvdata(dev); + i801_setup_hstcfg(priv); i801_enable_host_notify(&priv->adapter); return 0; diff --git a/drivers/i2c/busses/i2c-mt65xx.c b/drivers/i2c/busses/i2c-mt65xx.c index efc14041d45b3e..0cbdfbe605b55e 100644 --- a/drivers/i2c/busses/i2c-mt65xx.c +++ b/drivers/i2c/busses/i2c-mt65xx.c @@ -681,8 +681,8 @@ static int mtk_i2c_calculate_speed(struct mtk_i2c *i2c, unsigned int clk_src, unsigned int cnt_mul; int ret = -EINVAL; - if (target_speed > I2C_MAX_FAST_MODE_PLUS_FREQ) - target_speed = I2C_MAX_FAST_MODE_PLUS_FREQ; + if (target_speed > I2C_MAX_HIGH_SPEED_MODE_FREQ) + target_speed = I2C_MAX_HIGH_SPEED_MODE_FREQ; max_step_cnt = mtk_i2c_max_step_cnt(target_speed); base_step_cnt = max_step_cnt; @@ -759,7 +759,7 @@ static int mtk_i2c_set_speed(struct mtk_i2c *i2c, unsigned int parent_clk) for (clk_div = 1; clk_div <= max_clk_div; clk_div++) { clk_src = parent_clk / clk_div; - if (target_speed > I2C_MAX_FAST_MODE_FREQ) { + if (target_speed > I2C_MAX_FAST_MODE_PLUS_FREQ) { /* Set master code speed register */ ret = mtk_i2c_calculate_speed(i2c, clk_src, I2C_MAX_FAST_MODE_FREQ, diff --git a/drivers/i2c/busses/i2c-mxs.c b/drivers/i2c/busses/i2c-mxs.c index 9587347447f0f4..c4b08a9244614d 100644 --- a/drivers/i2c/busses/i2c-mxs.c +++ b/drivers/i2c/busses/i2c-mxs.c @@ -25,6 +25,7 @@ #include <linux/of_device.h> #include <linux/dma-mapping.h> #include <linux/dmaengine.h> +#include <linux/dma/mxs-dma.h> #define DRIVER_NAME "mxs-i2c" @@ -200,7 +201,8 @@ static int mxs_i2c_dma_setup_xfer(struct i2c_adapter *adap, dma_map_sg(i2c->dev, &i2c->sg_io[0], 1, DMA_TO_DEVICE); desc = dmaengine_prep_slave_sg(i2c->dmach, &i2c->sg_io[0], 1, DMA_MEM_TO_DEV, - DMA_PREP_INTERRUPT | DMA_CTRL_ACK); + DMA_PREP_INTERRUPT | + MXS_DMA_CTRL_WAIT4END); if (!desc) { dev_err(i2c->dev, "Failed to get DMA data write descriptor.\n"); @@ -228,7 +230,8 @@ static int mxs_i2c_dma_setup_xfer(struct i2c_adapter *adap, dma_map_sg(i2c->dev, &i2c->sg_io[1], 1, DMA_FROM_DEVICE); desc = dmaengine_prep_slave_sg(i2c->dmach, &i2c->sg_io[1], 1, DMA_DEV_TO_MEM, - DMA_PREP_INTERRUPT | DMA_CTRL_ACK); + DMA_PREP_INTERRUPT | + MXS_DMA_CTRL_WAIT4END); if (!desc) { dev_err(i2c->dev, "Failed to get DMA data write descriptor.\n"); @@ -260,7 +263,8 @@ static int mxs_i2c_dma_setup_xfer(struct i2c_adapter *adap, dma_map_sg(i2c->dev, i2c->sg_io, 2, DMA_TO_DEVICE); desc = dmaengine_prep_slave_sg(i2c->dmach, i2c->sg_io, 2, DMA_MEM_TO_DEV, - DMA_PREP_INTERRUPT | DMA_CTRL_ACK); + DMA_PREP_INTERRUPT | + MXS_DMA_CTRL_WAIT4END); if (!desc) { dev_err(i2c->dev, "Failed to get DMA data write descriptor.\n"); diff --git a/drivers/i2c/busses/i2c-npcm7xx.c b/drivers/i2c/busses/i2c-npcm7xx.c index 75f07138a6fa25..2ad166355ec9b0 100644 --- a/drivers/i2c/busses/i2c-npcm7xx.c +++ b/drivers/i2c/busses/i2c-npcm7xx.c @@ -2093,8 +2093,12 @@ static int npcm_i2c_master_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, } } - /* Adaptive TimeOut: astimated time in usec + 100% margin */ - timeout_usec = (2 * 10000 / bus->bus_freq) * (2 + nread + nwrite); + /* + * Adaptive TimeOut: estimated time in usec + 100% margin: + * 2: double the timeout for clock stretching case + * 9: bits per transaction (including the ack/nack) + */ + timeout_usec = (2 * 9 * USEC_PER_SEC / bus->bus_freq) * (2 + nread + nwrite); timeout = max(msecs_to_jiffies(35), usecs_to_jiffies(timeout_usec)); if (nwrite >= 32 * 1024 || nread >= 32 * 1024) { dev_err(bus->dev, "i2c%d buffer too big\n", bus->num); @@ -2159,6 +2163,15 @@ static int npcm_i2c_master_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, if (bus->cmd_err == -EAGAIN) ret = i2c_recover_bus(adap); + /* + * After any type of error, check if LAST bit is still set, + * due to a HW issue. + * It cannot be cleared without resetting the module. + */ + if (bus->cmd_err && + (NPCM_I2CRXF_CTL_LAST_PEC & ioread8(bus->reg + NPCM_I2CRXF_CTL))) + npcm_i2c_reset(bus); + #if IS_ENABLED(CONFIG_I2C_SLAVE) /* reenable slave if it was enabled */ if (bus->slave) diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c index 175c590b93b76c..12ac4212aded89 100644 --- a/drivers/i2c/busses/i2c-omap.c +++ b/drivers/i2c/busses/i2c-omap.c @@ -1425,7 +1425,6 @@ omap_i2c_probe(struct platform_device *pdev) major = OMAP_I2C_REV_SCHEME_0_MAJOR(omap->rev); break; case OMAP_I2C_SCHEME_1: - /* FALLTHROUGH */ default: omap->regs = (u8 *)reg_map_ip_v2; rev = (rev << 16) | diff --git a/drivers/i2c/busses/i2c-opal.c b/drivers/i2c/busses/i2c-opal.c index 1c4c9bb06a0bfb..6eb0f50c5d2878 100644 --- a/drivers/i2c/busses/i2c-opal.c +++ b/drivers/i2c/busses/i2c-opal.c @@ -125,7 +125,7 @@ static int i2c_opal_smbus_xfer(struct i2c_adapter *adap, u16 addr, case I2C_SMBUS_BYTE: req.buffer_ra = cpu_to_be64(__pa(&data->byte)); req.size = cpu_to_be32(1); - /* Fall through */ + fallthrough; case I2C_SMBUS_QUICK: req.type = (read_write == I2C_SMBUS_READ) ? OPAL_I2C_RAW_READ : OPAL_I2C_RAW_WRITE; diff --git a/drivers/i2c/busses/i2c-rcar.c b/drivers/i2c/busses/i2c-rcar.c index 9e883474db8ceb..c7c543483b08ca 100644 --- a/drivers/i2c/busses/i2c-rcar.c +++ b/drivers/i2c/busses/i2c-rcar.c @@ -590,6 +590,7 @@ static bool rcar_i2c_slave_irq(struct rcar_i2c_priv *priv) /* master sent stop */ if (ssr_filtered & SSR) { i2c_slave_event(priv->slave, I2C_SLAVE_STOP, &value); + rcar_i2c_write(priv, ICSCR, SIE | SDBS); /* clear our NACK */ rcar_i2c_write(priv, ICSIER, SAR); rcar_i2c_write(priv, ICSSR, ~SSR & 0xff); } diff --git a/drivers/i2c/i2c-core-acpi.c b/drivers/i2c/i2c-core-acpi.c index 2ade99b105b91e..e627d7b2790f75 100644 --- a/drivers/i2c/i2c-core-acpi.c +++ b/drivers/i2c/i2c-core-acpi.c @@ -276,16 +276,6 @@ void i2c_acpi_register_devices(struct i2c_adapter *adap) dev_warn(&adap->dev, "failed to enumerate I2C slaves\n"); } -const struct acpi_device_id * -i2c_acpi_match_device(const struct acpi_device_id *matches, - struct i2c_client *client) -{ - if (!(client && matches)) - return NULL; - - return acpi_match_device(matches, &client->dev); -} - static const struct acpi_device_id i2c_acpi_force_400khz_device_ids[] = { /* * These Silead touchscreen controllers only work at 400KHz, for diff --git a/drivers/i2c/i2c-core-base.c b/drivers/i2c/i2c-core-base.c index 34a9609f256dac..573b5da145d1eb 100644 --- a/drivers/i2c/i2c-core-base.c +++ b/drivers/i2c/i2c-core-base.c @@ -480,7 +480,7 @@ static int i2c_device_probe(struct device *dev) * or ACPI ID table is supplied for the probing device. */ if (!driver->id_table && - !i2c_acpi_match_device(dev->driver->acpi_match_table, client) && + !acpi_driver_match_device(dev, dev->driver) && !i2c_of_match_device(dev->driver->of_match_table, client)) { status = -ENODEV; goto put_sync_adapter; @@ -1464,8 +1464,8 @@ static int i2c_register_adapter(struct i2c_adapter *adap) /* create pre-declared device nodes */ of_i2c_register_devices(adap); - i2c_acpi_register_devices(adap); i2c_acpi_install_space_handler(adap); + i2c_acpi_register_devices(adap); if (adap->nr < __i2c_first_dynamic_bus_num) i2c_scan_static_board_info(adap); diff --git a/drivers/i2c/i2c-core.h b/drivers/i2c/i2c-core.h index 94ff1693b3913f..8ce261167a2d3d 100644 --- a/drivers/i2c/i2c-core.h +++ b/drivers/i2c/i2c-core.h @@ -59,20 +59,11 @@ static inline int __i2c_check_suspended(struct i2c_adapter *adap) } #ifdef CONFIG_ACPI -const struct acpi_device_id * -i2c_acpi_match_device(const struct acpi_device_id *matches, - struct i2c_client *client); void i2c_acpi_register_devices(struct i2c_adapter *adap); int i2c_acpi_get_irq(struct i2c_client *client); #else /* CONFIG_ACPI */ static inline void i2c_acpi_register_devices(struct i2c_adapter *adap) { } -static inline const struct acpi_device_id * -i2c_acpi_match_device(const struct acpi_device_id *matches, - struct i2c_client *client) -{ - return NULL; -} static inline int i2c_acpi_get_irq(struct i2c_client *client) { diff --git a/drivers/i3c/master/dw-i3c-master.c b/drivers/i3c/master/dw-i3c-master.c index 5c5306cd50ec3b..8513bd353c052b 100644 --- a/drivers/i3c/master/dw-i3c-master.c +++ b/drivers/i3c/master/dw-i3c-master.c @@ -603,7 +603,7 @@ static int dw_i3c_master_bus_init(struct i3c_master_controller *m) ret = dw_i2c_clk_cfg(master); if (ret) return ret; - /* fall through */ + fallthrough; case I3C_BUS_MODE_PURE: ret = dw_i3c_clk_cfg(master); if (ret) diff --git a/drivers/ide/hpt366.c b/drivers/ide/hpt366.c index fd3b5da44619b3..50c9a41467c881 100644 --- a/drivers/ide/hpt366.c +++ b/drivers/ide/hpt366.c @@ -575,14 +575,14 @@ static u8 hpt3xx_udma_filter(ide_drive_t *drive) if (!HPT370_ALLOW_ATA100_5 || check_in_drive_list(drive, bad_ata100_5)) return ATA_UDMA4; - /* fall through */ + fallthrough; case HPT372 : case HPT372A: case HPT372N: case HPT374 : if (ata_id_is_sata(drive->id)) mask &= ~0x0e; - /* fall through */ + fallthrough; default: return mask; } @@ -602,7 +602,7 @@ static u8 hpt3xx_mdma_filter(ide_drive_t *drive) case HPT374 : if (ata_id_is_sata(drive->id)) return 0x00; - /* fall through */ + fallthrough; default: return 0x07; } diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c index 7f17f830398884..212bb2d8bf346a 100644 --- a/drivers/ide/ide-cd.c +++ b/drivers/ide/ide-cd.c @@ -350,7 +350,7 @@ static int cdrom_decode_status(ide_drive_t *drive, u8 stat) */ if (scsi_req(rq)->cmd[0] == GPCMD_START_STOP_UNIT) break; - /* fall-through */ + fallthrough; case DATA_PROTECT: /* * No point in retrying after an illegal request or data @@ -750,7 +750,7 @@ static ide_startstop_t cdrom_newpc_intr(ide_drive_t *drive) case REQ_OP_DRV_IN: case REQ_OP_DRV_OUT: expiry = ide_cd_expiry; - /*FALLTHRU*/ + fallthrough; default: timeout = ATAPI_WAIT_PC; break; diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c index 1fe1f9d37a511c..af7503b47dbe32 100644 --- a/drivers/ide/ide-floppy.c +++ b/drivers/ide/ide-floppy.c @@ -428,7 +428,7 @@ static int ide_floppy_get_capacity(ide_drive_t *drive) * (maintains previous driver behaviour) */ break; - /* fall through */ + fallthrough; case CAPACITY_CURRENT: /* Normal Zip/LS-120 disks */ if (memcmp(cap_desc, &floppy->cap_desc, 8)) diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c index e867129466b058..1ddc45a04418cd 100644 --- a/drivers/ide/ide-probe.c +++ b/drivers/ide/ide-probe.c @@ -143,7 +143,7 @@ static void ide_classify_atapi_dev(ide_drive_t *drive) } /* Early cdrom models used zero */ type = ide_cdrom; - /* fall through */ + fallthrough; case ide_cdrom: drive->dev_flags |= IDE_DFLAG_REMOVABLE; #ifdef CONFIG_PPC diff --git a/drivers/ide/ide-taskfile.c b/drivers/ide/ide-taskfile.c index a26f85ab58a95e..d016cbe68cba17 100644 --- a/drivers/ide/ide-taskfile.c +++ b/drivers/ide/ide-taskfile.c @@ -129,7 +129,7 @@ ide_startstop_t do_rw_taskfile(ide_drive_t *drive, struct ide_cmd *orig_cmd) return pre_task_out_intr(drive, cmd); } handler = task_pio_intr; - /* fall through */ + fallthrough; case ATA_PROT_NODATA: if (handler == NULL) handler = task_no_data_intr; @@ -141,7 +141,7 @@ ide_startstop_t do_rw_taskfile(ide_drive_t *drive, struct ide_cmd *orig_cmd) hwif->expiry = dma_ops->dma_timer_expiry; ide_execute_command(drive, cmd, ide_dma_intr, 2 * WAIT_CMD); dma_ops->dma_start(drive); - /* fall through */ + fallthrough; default: return ide_started; } @@ -579,10 +579,10 @@ int ide_taskfile_ioctl(ide_drive_t *drive, unsigned long arg) goto abort; } cmd.tf_flags |= IDE_TFLAG_MULTI_PIO; - /* fall through */ + fallthrough; case TASKFILE_OUT: cmd.protocol = ATA_PROT_PIO; - /* fall through */ + fallthrough; case TASKFILE_OUT_DMAQ: case TASKFILE_OUT_DMA: cmd.tf_flags |= IDE_TFLAG_WRITE; @@ -598,10 +598,10 @@ int ide_taskfile_ioctl(ide_drive_t *drive, unsigned long arg) goto abort; } cmd.tf_flags |= IDE_TFLAG_MULTI_PIO; - /* fall through */ + fallthrough; case TASKFILE_IN: cmd.protocol = ATA_PROT_PIO; - /* fall through */ + fallthrough; case TASKFILE_IN_DMAQ: case TASKFILE_IN_DMA: nsect = taskin / SECTOR_SIZE; diff --git a/drivers/ide/sis5513.c b/drivers/ide/sis5513.c index 024bc7ba49ee5e..1a700bef6c565c 100644 --- a/drivers/ide/sis5513.c +++ b/drivers/ide/sis5513.c @@ -494,7 +494,7 @@ static int init_chipset_sis5513(struct pci_dev *dev) pci_read_config_byte(dev, 0x09, ®); if ((reg & 0x0f) != 0x00) pci_write_config_byte(dev, 0x09, reg&0xf0); - /* fall through */ + fallthrough; case ATA_16: /* force per drive recovery and active timings needed on ATA_33 and below chips */ diff --git a/drivers/iio/accel/bmc150-accel-core.c b/drivers/iio/accel/bmc150-accel-core.c index 24864d9dfab5d0..48435865fdaf34 100644 --- a/drivers/iio/accel/bmc150-accel-core.c +++ b/drivers/iio/accel/bmc150-accel-core.c @@ -189,6 +189,14 @@ struct bmc150_accel_data { struct mutex mutex; u8 fifo_mode, watermark; s16 buffer[8]; + /* + * Ensure there is sufficient space and correct alignment for + * the timestamp if enabled + */ + struct { + __le16 channels[3]; + s64 ts __aligned(8); + } scan; u8 bw_bits; u32 slope_dur; u32 slope_thres; @@ -922,15 +930,16 @@ static int __bmc150_accel_fifo_flush(struct iio_dev *indio_dev, * now. */ for (i = 0; i < count; i++) { - u16 sample[8]; int j, bit; j = 0; for_each_set_bit(bit, indio_dev->active_scan_mask, indio_dev->masklength) - memcpy(&sample[j++], &buffer[i * 3 + bit], 2); + memcpy(&data->scan.channels[j++], &buffer[i * 3 + bit], + sizeof(data->scan.channels[0])); - iio_push_to_buffers_with_timestamp(indio_dev, sample, tstamp); + iio_push_to_buffers_with_timestamp(indio_dev, &data->scan, + tstamp); tstamp += sample_period; } diff --git a/drivers/iio/accel/kxsd9.c b/drivers/iio/accel/kxsd9.c index 66b2e4cf24cfab..0e18b92e20992a 100644 --- a/drivers/iio/accel/kxsd9.c +++ b/drivers/iio/accel/kxsd9.c @@ -209,14 +209,20 @@ static irqreturn_t kxsd9_trigger_handler(int irq, void *p) const struct iio_poll_func *pf = p; struct iio_dev *indio_dev = pf->indio_dev; struct kxsd9_state *st = iio_priv(indio_dev); + /* + * Ensure correct positioning and alignment of timestamp. + * No need to zero initialize as all elements written. + */ + struct { + __be16 chan[4]; + s64 ts __aligned(8); + } hw_values; int ret; - /* 4 * 16bit values AND timestamp */ - __be16 hw_values[8]; ret = regmap_bulk_read(st->map, KXSD9_REG_X, - &hw_values, - 8); + hw_values.chan, + sizeof(hw_values.chan)); if (ret) { dev_err(st->dev, "error reading data\n"); @@ -224,7 +230,7 @@ static irqreturn_t kxsd9_trigger_handler(int irq, void *p) } iio_push_to_buffers_with_timestamp(indio_dev, - hw_values, + &hw_values, iio_get_time_ns(indio_dev)); iio_trigger_notify_done(indio_dev->trig); diff --git a/drivers/iio/accel/mma7455_core.c b/drivers/iio/accel/mma7455_core.c index 7e99bcb3398dff..922bd38ff6ea97 100644 --- a/drivers/iio/accel/mma7455_core.c +++ b/drivers/iio/accel/mma7455_core.c @@ -52,6 +52,14 @@ struct mma7455_data { struct regmap *regmap; + /* + * Used to reorganize data. Will ensure correct alignment of + * the timestamp if present + */ + struct { + __le16 channels[3]; + s64 ts __aligned(8); + } scan; }; static int mma7455_drdy(struct mma7455_data *mma7455) @@ -82,19 +90,19 @@ static irqreturn_t mma7455_trigger_handler(int irq, void *p) struct iio_poll_func *pf = p; struct iio_dev *indio_dev = pf->indio_dev; struct mma7455_data *mma7455 = iio_priv(indio_dev); - u8 buf[16]; /* 3 x 16-bit channels + padding + ts */ int ret; ret = mma7455_drdy(mma7455); if (ret) goto done; - ret = regmap_bulk_read(mma7455->regmap, MMA7455_REG_XOUTL, buf, - sizeof(__le16) * 3); + ret = regmap_bulk_read(mma7455->regmap, MMA7455_REG_XOUTL, + mma7455->scan.channels, + sizeof(mma7455->scan.channels)); if (ret) goto done; - iio_push_to_buffers_with_timestamp(indio_dev, buf, + iio_push_to_buffers_with_timestamp(indio_dev, &mma7455->scan, iio_get_time_ns(indio_dev)); done: diff --git a/drivers/iio/accel/mma8452.c b/drivers/iio/accel/mma8452.c index ba27f86731314d..853febc294885e 100644 --- a/drivers/iio/accel/mma8452.c +++ b/drivers/iio/accel/mma8452.c @@ -110,6 +110,12 @@ struct mma8452_data { int sleep_val; struct regulator *vdd_reg; struct regulator *vddio_reg; + + /* Ensure correct alignment of time stamp when present */ + struct { + __be16 channels[3]; + s64 ts __aligned(8); + } buffer; }; /** @@ -1091,14 +1097,13 @@ static irqreturn_t mma8452_trigger_handler(int irq, void *p) struct iio_poll_func *pf = p; struct iio_dev *indio_dev = pf->indio_dev; struct mma8452_data *data = iio_priv(indio_dev); - u8 buffer[16]; /* 3 16-bit channels + padding + ts */ int ret; - ret = mma8452_read(data, (__be16 *)buffer); + ret = mma8452_read(data, data->buffer.channels); if (ret < 0) goto done; - iio_push_to_buffers_with_timestamp(indio_dev, buffer, + iio_push_to_buffers_with_timestamp(indio_dev, &data->buffer, iio_get_time_ns(indio_dev)); done: @@ -1580,7 +1585,7 @@ static int mma8452_probe(struct i2c_client *client, case FXLS8471_DEVICE_ID: if (ret == data->chip_info->chip_id) break; - /* fall through */ + fallthrough; default: ret = -ENODEV; goto disable_regulators; diff --git a/drivers/iio/adc/Kconfig b/drivers/iio/adc/Kconfig index 66d9cc07315735..d94dc800b8422e 100644 --- a/drivers/iio/adc/Kconfig +++ b/drivers/iio/adc/Kconfig @@ -865,6 +865,8 @@ config ROCKCHIP_SARADC tristate "Rockchip SARADC driver" depends on ARCH_ROCKCHIP || (ARM && COMPILE_TEST) depends on RESET_CONTROLLER + select IIO_BUFFER + select IIO_TRIGGERED_BUFFER help Say yes here to build support for the SARADC found in SoCs from Rockchip. diff --git a/drivers/iio/adc/ab8500-gpadc.c b/drivers/iio/adc/ab8500-gpadc.c index 7fdc5d2d1d35c1..1bb987a4acbabc 100644 --- a/drivers/iio/adc/ab8500-gpadc.c +++ b/drivers/iio/adc/ab8500-gpadc.c @@ -484,7 +484,7 @@ static int ab8500_gpadc_read(struct ab8500_gpadc *gpadc, delay_max = 10000; /* large range optimises sleepmode */ break; } - /* Fall through */ + fallthrough; default: ctrl1 |= AB8500_GPADC_CTRL1_BUF_ENA; break; diff --git a/drivers/iio/adc/ad7124.c b/drivers/iio/adc/ad7124.c index 8dce06e9e69c5a..766c7333360451 100644 --- a/drivers/iio/adc/ad7124.c +++ b/drivers/iio/adc/ad7124.c @@ -177,12 +177,12 @@ static const struct iio_chan_spec ad7124_channel_template = { static struct ad7124_chip_info ad7124_chip_info_tbl[] = { [ID_AD7124_4] = { - .name = "ad7127-4", + .name = "ad7124-4", .chip_id = CHIPID_AD7124_4, .num_inputs = 8, }, [ID_AD7124_8] = { - .name = "ad7127-8", + .name = "ad7124-8", .chip_id = CHIPID_AD7124_8, .num_inputs = 16, }, diff --git a/drivers/iio/adc/cpcap-adc.c b/drivers/iio/adc/cpcap-adc.c index 84a1733e5913f4..64c3cc38231102 100644 --- a/drivers/iio/adc/cpcap-adc.c +++ b/drivers/iio/adc/cpcap-adc.c @@ -690,7 +690,7 @@ static void cpcap_adc_phase(struct cpcap_adc_request *req) break; case CPCAP_ADC_BATTI_PI17: index = req->bank_index; - /* fallthrough */ + fallthrough; default: req->result += conv_tbl[index].cal_offset; req->result += conv_tbl[index].align_offset; diff --git a/drivers/iio/adc/ina2xx-adc.c b/drivers/iio/adc/ina2xx-adc.c index 5ed63e8742923f..b573ec60a8b8fe 100644 --- a/drivers/iio/adc/ina2xx-adc.c +++ b/drivers/iio/adc/ina2xx-adc.c @@ -146,6 +146,11 @@ struct ina2xx_chip_info { int range_vbus; /* Bus voltage maximum in V */ int pga_gain_vshunt; /* Shunt voltage PGA gain */ bool allow_async_readout; + /* data buffer needs space for channel data and timestamp */ + struct { + u16 chan[4]; + u64 ts __aligned(8); + } scan; }; static const struct ina2xx_config ina2xx_config[] = { @@ -738,8 +743,6 @@ static int ina2xx_conversion_ready(struct iio_dev *indio_dev) static int ina2xx_work_buffer(struct iio_dev *indio_dev) { struct ina2xx_chip_info *chip = iio_priv(indio_dev); - /* data buffer needs space for channel data and timestap */ - unsigned short data[4 + sizeof(s64)/sizeof(short)]; int bit, ret, i = 0; s64 time; @@ -758,10 +761,10 @@ static int ina2xx_work_buffer(struct iio_dev *indio_dev) if (ret < 0) return ret; - data[i++] = val; + chip->scan.chan[i++] = val; } - iio_push_to_buffers_with_timestamp(indio_dev, data, time); + iio_push_to_buffers_with_timestamp(indio_dev, &chip->scan, time); return 0; }; diff --git a/drivers/iio/adc/max1118.c b/drivers/iio/adc/max1118.c index 01b20e420ac456..6efb0b43d9389e 100644 --- a/drivers/iio/adc/max1118.c +++ b/drivers/iio/adc/max1118.c @@ -36,6 +36,11 @@ struct max1118 { struct spi_device *spi; struct mutex lock; struct regulator *reg; + /* Ensure natural alignment of buffer elements */ + struct { + u8 channels[2]; + s64 ts __aligned(8); + } scan; u8 data ____cacheline_aligned; }; @@ -166,7 +171,6 @@ static irqreturn_t max1118_trigger_handler(int irq, void *p) struct iio_poll_func *pf = p; struct iio_dev *indio_dev = pf->indio_dev; struct max1118 *adc = iio_priv(indio_dev); - u8 data[16] = { }; /* 2x 8-bit ADC data + padding + 8 bytes timestamp */ int scan_index; int i = 0; @@ -184,10 +188,10 @@ static irqreturn_t max1118_trigger_handler(int irq, void *p) goto out; } - data[i] = ret; + adc->scan.channels[i] = ret; i++; } - iio_push_to_buffers_with_timestamp(indio_dev, data, + iio_push_to_buffers_with_timestamp(indio_dev, &adc->scan, iio_get_time_ns(indio_dev)); out: mutex_unlock(&adc->lock); diff --git a/drivers/iio/adc/mcp3422.c b/drivers/iio/adc/mcp3422.c index 5f1706d1c3c08a..da353dcb1e9d49 100644 --- a/drivers/iio/adc/mcp3422.c +++ b/drivers/iio/adc/mcp3422.c @@ -96,16 +96,12 @@ static int mcp3422_update_config(struct mcp3422 *adc, u8 newconfig) { int ret; - mutex_lock(&adc->lock); - ret = i2c_master_send(adc->i2c, &newconfig, 1); if (ret > 0) { adc->config = newconfig; ret = 0; } - mutex_unlock(&adc->lock); - return ret; } @@ -138,6 +134,8 @@ static int mcp3422_read_channel(struct mcp3422 *adc, u8 config; u8 req_channel = channel->channel; + mutex_lock(&adc->lock); + if (req_channel != MCP3422_CHANNEL(adc->config)) { config = adc->config; config &= ~MCP3422_CHANNEL_MASK; @@ -145,12 +143,18 @@ static int mcp3422_read_channel(struct mcp3422 *adc, config &= ~MCP3422_PGA_MASK; config |= MCP3422_PGA_VALUE(adc->pga[req_channel]); ret = mcp3422_update_config(adc, config); - if (ret < 0) + if (ret < 0) { + mutex_unlock(&adc->lock); return ret; + } msleep(mcp3422_read_times[MCP3422_SAMPLE_RATE(adc->config)]); } - return mcp3422_read(adc, value, &config); + ret = mcp3422_read(adc, value, &config); + + mutex_unlock(&adc->lock); + + return ret; } static int mcp3422_read_raw(struct iio_dev *iio, diff --git a/drivers/iio/adc/meson_saradc.c b/drivers/iio/adc/meson_saradc.c index 93c2252c0b8901..1a9189ba69aece 100644 --- a/drivers/iio/adc/meson_saradc.c +++ b/drivers/iio/adc/meson_saradc.c @@ -707,7 +707,7 @@ static int meson_sar_adc_temp_sensor_init(struct iio_dev *indio_dev) size_t read_len; int ret; - temperature_calib = devm_nvmem_cell_get(&indio_dev->dev, + temperature_calib = devm_nvmem_cell_get(indio_dev->dev.parent, "temperature_calib"); if (IS_ERR(temperature_calib)) { ret = PTR_ERR(temperature_calib); diff --git a/drivers/iio/adc/qcom-spmi-adc5.c b/drivers/iio/adc/qcom-spmi-adc5.c index b4b73c9920b404..c10aa28be70af7 100644 --- a/drivers/iio/adc/qcom-spmi-adc5.c +++ b/drivers/iio/adc/qcom-spmi-adc5.c @@ -982,7 +982,7 @@ static int adc5_probe(struct platform_device *pdev) static struct platform_driver adc5_driver = { .driver = { - .name = "qcom-spmi-adc5.c", + .name = "qcom-spmi-adc5", .of_match_table = adc5_match_table, }, .probe = adc5_probe, diff --git a/drivers/iio/adc/ti-adc081c.c b/drivers/iio/adc/ti-adc081c.c index 9426f70a800598..cf63983a54d99b 100644 --- a/drivers/iio/adc/ti-adc081c.c +++ b/drivers/iio/adc/ti-adc081c.c @@ -33,6 +33,12 @@ struct adc081c { /* 8, 10 or 12 */ int bits; + + /* Ensure natural alignment of buffer elements */ + struct { + u16 channel; + s64 ts __aligned(8); + } scan; }; #define REG_CONV_RES 0x00 @@ -128,14 +134,13 @@ static irqreturn_t adc081c_trigger_handler(int irq, void *p) struct iio_poll_func *pf = p; struct iio_dev *indio_dev = pf->indio_dev; struct adc081c *data = iio_priv(indio_dev); - u16 buf[8]; /* 2 bytes data + 6 bytes padding + 8 bytes timestamp */ int ret; ret = i2c_smbus_read_word_swapped(data->i2c, REG_CONV_RES); if (ret < 0) goto out; - buf[0] = ret; - iio_push_to_buffers_with_timestamp(indio_dev, buf, + data->scan.channel = ret; + iio_push_to_buffers_with_timestamp(indio_dev, &data->scan, iio_get_time_ns(indio_dev)); out: iio_trigger_notify_done(indio_dev->trig); diff --git a/drivers/iio/adc/ti-adc084s021.c b/drivers/iio/adc/ti-adc084s021.c index 9017e1e24273b3..dfba34834a575f 100644 --- a/drivers/iio/adc/ti-adc084s021.c +++ b/drivers/iio/adc/ti-adc084s021.c @@ -26,6 +26,11 @@ struct adc084s021 { struct spi_transfer spi_trans; struct regulator *reg; struct mutex lock; + /* Buffer used to align data */ + struct { + __be16 channels[4]; + s64 ts __aligned(8); + } scan; /* * DMA (thus cache coherency maintenance) requires the * transfer buffers to live in their own cache line. @@ -141,14 +146,13 @@ static irqreturn_t adc084s021_buffer_trigger_handler(int irq, void *pollfunc) struct iio_poll_func *pf = pollfunc; struct iio_dev *indio_dev = pf->indio_dev; struct adc084s021 *adc = iio_priv(indio_dev); - __be16 data[8] = {0}; /* 4 * 16-bit words of data + 8 bytes timestamp */ mutex_lock(&adc->lock); - if (adc084s021_adc_conversion(adc, &data) < 0) + if (adc084s021_adc_conversion(adc, adc->scan.channels) < 0) dev_err(&adc->spi->dev, "Failed to read data\n"); - iio_push_to_buffers_with_timestamp(indio_dev, data, + iio_push_to_buffers_with_timestamp(indio_dev, &adc->scan, iio_get_time_ns(indio_dev)); mutex_unlock(&adc->lock); iio_trigger_notify_done(indio_dev->trig); diff --git a/drivers/iio/adc/ti-ads1015.c b/drivers/iio/adc/ti-ads1015.c index f42ab112986ec0..9fef39bcf997b9 100644 --- a/drivers/iio/adc/ti-ads1015.c +++ b/drivers/iio/adc/ti-ads1015.c @@ -316,6 +316,7 @@ static const struct iio_chan_spec ads1115_channels[] = { IIO_CHAN_SOFT_TIMESTAMP(ADS1015_TIMESTAMP), }; +#ifdef CONFIG_PM static int ads1015_set_power_state(struct ads1015_data *data, bool on) { int ret; @@ -333,6 +334,15 @@ static int ads1015_set_power_state(struct ads1015_data *data, bool on) return ret < 0 ? ret : 0; } +#else /* !CONFIG_PM */ + +static int ads1015_set_power_state(struct ads1015_data *data, bool on) +{ + return 0; +} + +#endif /* !CONFIG_PM */ + static int ads1015_get_adc_result(struct ads1015_data *data, int chan, int *val) { diff --git a/drivers/iio/chemical/ccs811.c b/drivers/iio/chemical/ccs811.c index 2b007e7568b21b..60dd87e96f5f8b 100644 --- a/drivers/iio/chemical/ccs811.c +++ b/drivers/iio/chemical/ccs811.c @@ -78,6 +78,11 @@ struct ccs811_data { struct iio_trigger *drdy_trig; struct gpio_desc *wakeup_gpio; bool drdy_trig_on; + /* Ensures correct alignment of timestamp if present */ + struct { + s16 channels[2]; + s64 ts __aligned(8); + } scan; }; static const struct iio_chan_spec ccs811_channels[] = { @@ -327,17 +332,17 @@ static irqreturn_t ccs811_trigger_handler(int irq, void *p) struct iio_dev *indio_dev = pf->indio_dev; struct ccs811_data *data = iio_priv(indio_dev); struct i2c_client *client = data->client; - s16 buf[8]; /* s16 eCO2 + s16 TVOC + padding + 8 byte timestamp */ int ret; - ret = i2c_smbus_read_i2c_block_data(client, CCS811_ALG_RESULT_DATA, 4, - (u8 *)&buf); + ret = i2c_smbus_read_i2c_block_data(client, CCS811_ALG_RESULT_DATA, + sizeof(data->scan.channels), + (u8 *)data->scan.channels); if (ret != 4) { dev_err(&client->dev, "cannot read sensor data\n"); goto err; } - iio_push_to_buffers_with_timestamp(indio_dev, buf, + iio_push_to_buffers_with_timestamp(indio_dev, &data->scan, iio_get_time_ns(indio_dev)); err: diff --git a/drivers/iio/chemical/sps30.c b/drivers/iio/chemical/sps30.c index 5a29e32c295fc9..2ea9a5c4d84629 100644 --- a/drivers/iio/chemical/sps30.c +++ b/drivers/iio/chemical/sps30.c @@ -118,7 +118,7 @@ static int sps30_do_cmd(struct sps30_state *state, u16 cmd, u8 *data, int size) case SPS30_READ_AUTO_CLEANING_PERIOD: buf[0] = SPS30_AUTO_CLEANING_PERIOD >> 8; buf[1] = (u8)(SPS30_AUTO_CLEANING_PERIOD & 0xff); - /* fall through */ + fallthrough; case SPS30_READ_DATA_READY_FLAG: case SPS30_READ_DATA: case SPS30_READ_SERIAL: diff --git a/drivers/iio/common/cros_ec_sensors/cros_ec_sensors_core.c b/drivers/iio/common/cros_ec_sensors/cros_ec_sensors_core.c index ea480c1d4349ec..1bc6efa4731635 100644 --- a/drivers/iio/common/cros_ec_sensors/cros_ec_sensors_core.c +++ b/drivers/iio/common/cros_ec_sensors/cros_ec_sensors_core.c @@ -72,10 +72,13 @@ static void get_default_min_max_freq(enum motionsensor_type type, switch (type) { case MOTIONSENSE_TYPE_ACCEL: - case MOTIONSENSE_TYPE_GYRO: *min_freq = 12500; *max_freq = 100000; break; + case MOTIONSENSE_TYPE_GYRO: + *min_freq = 25000; + *max_freq = 100000; + break; case MOTIONSENSE_TYPE_MAG: *min_freq = 5000; *max_freq = 25000; diff --git a/drivers/iio/dac/ad5592r-base.c b/drivers/iio/dac/ad5592r-base.c index cc4875660a69f4..1fd75c02a7cd72 100644 --- a/drivers/iio/dac/ad5592r-base.c +++ b/drivers/iio/dac/ad5592r-base.c @@ -220,7 +220,6 @@ static int ad5592r_set_channel_modes(struct ad5592r_state *st) break; case CH_MODE_UNUSED: - /* fall-through */ default: switch (st->channel_offstate[i]) { case CH_OFFSTATE_OUT_TRISTATE: @@ -237,7 +236,6 @@ static int ad5592r_set_channel_modes(struct ad5592r_state *st) break; case CH_OFFSTATE_PULLDOWN: - /* fall-through */ default: pulldown |= BIT(i); break; diff --git a/drivers/iio/dac/dpot-dac.c b/drivers/iio/dac/dpot-dac.c index b3835fb6b86266..1a9609eda5c5ca 100644 --- a/drivers/iio/dac/dpot-dac.c +++ b/drivers/iio/dac/dpot-dac.c @@ -74,11 +74,12 @@ static int dpot_dac_read_raw(struct iio_dev *indio_dev, case IIO_VAL_INT: /* * Convert integer scale to fractional scale by - * setting the denominator (val2) to one, and... + * setting the denominator (val2) to one... */ *val2 = 1; ret = IIO_VAL_FRACTIONAL; - /* fall through */ + /* ...and fall through. Say it again for GCC. */ + fallthrough; case IIO_VAL_FRACTIONAL: *val *= regulator_get_voltage(dac->vref) / 1000; *val2 *= dac->max_ohms; diff --git a/drivers/iio/health/max30102.c b/drivers/iio/health/max30102.c index 9b47d9472a4fde..d9b2ed80882a43 100644 --- a/drivers/iio/health/max30102.c +++ b/drivers/iio/health/max30102.c @@ -273,10 +273,10 @@ static int max30102_read_measurement(struct max30102_data *data, switch (measurements) { case 3: MAX30102_COPY_DATA(2); - /* fall through */ + fallthrough; case 2: MAX30102_COPY_DATA(1); - /* fall through */ + fallthrough; case 1: MAX30102_COPY_DATA(0); break; diff --git a/drivers/iio/imu/adis.c b/drivers/iio/imu/adis.c index c539dfa3b8d3ed..319b64b2fd8879 100644 --- a/drivers/iio/imu/adis.c +++ b/drivers/iio/imu/adis.c @@ -97,11 +97,11 @@ int __adis_write_reg(struct adis *adis, unsigned int reg, adis->tx[9] = (value >> 24) & 0xff; adis->tx[6] = ADIS_WRITE_REG(reg + 2); adis->tx[7] = (value >> 16) & 0xff; - /* fall through */ + fallthrough; case 2: adis->tx[4] = ADIS_WRITE_REG(reg + 1); adis->tx[5] = (value >> 8) & 0xff; - /* fall through */ + fallthrough; case 1: adis->tx[2] = ADIS_WRITE_REG(reg); adis->tx[3] = value & 0xff; @@ -191,7 +191,7 @@ int __adis_read_reg(struct adis *adis, unsigned int reg, adis->tx[2] = ADIS_READ_REG(reg + 2); adis->tx[3] = 0; spi_message_add_tail(&xfers[1], &msg); - /* fall through */ + fallthrough; case 2: adis->tx[4] = ADIS_READ_REG(reg); adis->tx[5] = 0; diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c index 606d5e61c57599..cdcd16f19500a2 100644 --- a/drivers/iio/industrialio-core.c +++ b/drivers/iio/industrialio-core.c @@ -599,7 +599,7 @@ static ssize_t __iio_format_value(char *buf, size_t len, unsigned int type, return scnprintf(buf, len, "%d", vals[0]); case IIO_VAL_INT_PLUS_MICRO_DB: scale_db = true; - /* fall through */ + fallthrough; case IIO_VAL_INT_PLUS_MICRO: if (vals[1] < 0) return scnprintf(buf, len, "-%d.%06u%s", abs(vals[0]), @@ -918,7 +918,7 @@ static ssize_t iio_write_channel_info(struct device *dev, break; case IIO_VAL_INT_PLUS_MICRO_DB: scale_db = true; - /* fall through */ + fallthrough; case IIO_VAL_INT_PLUS_MICRO: fract_mult = 100000; break; diff --git a/drivers/iio/light/ltr501.c b/drivers/iio/light/ltr501.c index 4bac0646398d56..b4323d2db0b19b 100644 --- a/drivers/iio/light/ltr501.c +++ b/drivers/iio/light/ltr501.c @@ -1243,13 +1243,16 @@ static irqreturn_t ltr501_trigger_handler(int irq, void *p) struct iio_poll_func *pf = p; struct iio_dev *indio_dev = pf->indio_dev; struct ltr501_data *data = iio_priv(indio_dev); - u16 buf[8]; + struct { + u16 channels[3]; + s64 ts __aligned(8); + } scan; __le16 als_buf[2]; u8 mask = 0; int j = 0; int ret, psdata; - memset(buf, 0, sizeof(buf)); + memset(&scan, 0, sizeof(scan)); /* figure out which data needs to be ready */ if (test_bit(0, indio_dev->active_scan_mask) || @@ -1268,9 +1271,9 @@ static irqreturn_t ltr501_trigger_handler(int irq, void *p) if (ret < 0) return ret; if (test_bit(0, indio_dev->active_scan_mask)) - buf[j++] = le16_to_cpu(als_buf[1]); + scan.channels[j++] = le16_to_cpu(als_buf[1]); if (test_bit(1, indio_dev->active_scan_mask)) - buf[j++] = le16_to_cpu(als_buf[0]); + scan.channels[j++] = le16_to_cpu(als_buf[0]); } if (mask & LTR501_STATUS_PS_RDY) { @@ -1278,10 +1281,10 @@ static irqreturn_t ltr501_trigger_handler(int irq, void *p) &psdata, 2); if (ret < 0) goto done; - buf[j++] = psdata & LTR501_PS_DATA_MASK; + scan.channels[j++] = psdata & LTR501_PS_DATA_MASK; } - iio_push_to_buffers_with_timestamp(indio_dev, buf, + iio_push_to_buffers_with_timestamp(indio_dev, &scan, iio_get_time_ns(indio_dev)); done: diff --git a/drivers/iio/light/max44000.c b/drivers/iio/light/max44000.c index aa8ed1e3e89a51..b8e721bced5bae 100644 --- a/drivers/iio/light/max44000.c +++ b/drivers/iio/light/max44000.c @@ -75,6 +75,11 @@ struct max44000_data { struct mutex lock; struct regmap *regmap; + /* Ensure naturally aligned timestamp */ + struct { + u16 channels[2]; + s64 ts __aligned(8); + } scan; }; /* Default scale is set to the minimum of 0.03125 or 1 / (1 << 5) lux */ @@ -488,7 +493,6 @@ static irqreturn_t max44000_trigger_handler(int irq, void *p) struct iio_poll_func *pf = p; struct iio_dev *indio_dev = pf->indio_dev; struct max44000_data *data = iio_priv(indio_dev); - u16 buf[8]; /* 2x u16 + padding + 8 bytes timestamp */ int index = 0; unsigned int regval; int ret; @@ -498,17 +502,17 @@ static irqreturn_t max44000_trigger_handler(int irq, void *p) ret = max44000_read_alsval(data); if (ret < 0) goto out_unlock; - buf[index++] = ret; + data->scan.channels[index++] = ret; } if (test_bit(MAX44000_SCAN_INDEX_PRX, indio_dev->active_scan_mask)) { ret = regmap_read(data->regmap, MAX44000_REG_PRX_DATA, ®val); if (ret < 0) goto out_unlock; - buf[index] = regval; + data->scan.channels[index] = regval; } mutex_unlock(&data->lock); - iio_push_to_buffers_with_timestamp(indio_dev, buf, + iio_push_to_buffers_with_timestamp(indio_dev, &data->scan, iio_get_time_ns(indio_dev)); iio_trigger_notify_done(indio_dev->trig); return IRQ_HANDLED; diff --git a/drivers/iio/light/si1145.c b/drivers/iio/light/si1145.c index 155faaea8c72fa..8f5f857c2e7d9e 100644 --- a/drivers/iio/light/si1145.c +++ b/drivers/iio/light/si1145.c @@ -1042,7 +1042,7 @@ static int si1145_initialize(struct si1145_data *data) SI1145_LED_CURRENT_45mA); if (ret < 0) return ret; - /* fallthrough */ + fallthrough; case 2: ret = i2c_smbus_write_byte_data(client, SI1145_REG_PS_LED21, diff --git a/drivers/iio/magnetometer/ak8974.c b/drivers/iio/magnetometer/ak8974.c index 6a8ae145f0c000..cbb44e401c0a9e 100644 --- a/drivers/iio/magnetometer/ak8974.c +++ b/drivers/iio/magnetometer/ak8974.c @@ -499,7 +499,7 @@ static int ak8974_detect(struct ak8974 *ak8974) switch (whoami) { case AK8974_WHOAMI_VALUE_AMI306: name = "ami306"; - /* fall-through */ + fallthrough; case AK8974_WHOAMI_VALUE_AMI305: ret = regmap_read(ak8974->map, AMI305_VER, &fw); if (ret) diff --git a/drivers/iio/magnetometer/ak8975.c b/drivers/iio/magnetometer/ak8975.c index 03d71f79617728..623766ff800b64 100644 --- a/drivers/iio/magnetometer/ak8975.c +++ b/drivers/iio/magnetometer/ak8975.c @@ -366,6 +366,12 @@ struct ak8975_data { struct iio_mount_matrix orientation; struct regulator *vdd; struct regulator *vid; + + /* Ensure natural alignment of timestamp */ + struct { + s16 channels[3]; + s64 ts __aligned(8); + } scan; }; /* Enable attached power regulator if any. */ @@ -793,7 +799,6 @@ static void ak8975_fill_buffer(struct iio_dev *indio_dev) const struct i2c_client *client = data->client; const struct ak_def *def = data->def; int ret; - s16 buff[8]; /* 3 x 16 bits axis values + 1 aligned 64 bits timestamp */ __le16 fval[3]; mutex_lock(&data->lock); @@ -816,12 +821,13 @@ static void ak8975_fill_buffer(struct iio_dev *indio_dev) mutex_unlock(&data->lock); /* Clamp to valid range. */ - buff[0] = clamp_t(s16, le16_to_cpu(fval[0]), -def->range, def->range); - buff[1] = clamp_t(s16, le16_to_cpu(fval[1]), -def->range, def->range); - buff[2] = clamp_t(s16, le16_to_cpu(fval[2]), -def->range, def->range); + data->scan.channels[0] = clamp_t(s16, le16_to_cpu(fval[0]), -def->range, def->range); + data->scan.channels[1] = clamp_t(s16, le16_to_cpu(fval[1]), -def->range, def->range); + data->scan.channels[2] = clamp_t(s16, le16_to_cpu(fval[2]), -def->range, def->range); - iio_push_to_buffers_with_timestamp(indio_dev, buff, + iio_push_to_buffers_with_timestamp(indio_dev, &data->scan, iio_get_time_ns(indio_dev)); + return; unlock: diff --git a/drivers/iio/proximity/mb1232.c b/drivers/iio/proximity/mb1232.c index 654564c452489c..ad4b1fb2607aab 100644 --- a/drivers/iio/proximity/mb1232.c +++ b/drivers/iio/proximity/mb1232.c @@ -40,6 +40,11 @@ struct mb1232_data { */ struct completion ranging; int irqnr; + /* Ensure correct alignment of data to push to IIO buffer */ + struct { + s16 distance; + s64 ts __aligned(8); + } scan; }; static irqreturn_t mb1232_handle_irq(int irq, void *dev_id) @@ -113,17 +118,13 @@ static irqreturn_t mb1232_trigger_handler(int irq, void *p) struct iio_poll_func *pf = p; struct iio_dev *indio_dev = pf->indio_dev; struct mb1232_data *data = iio_priv(indio_dev); - /* - * triggered buffer - * 16-bit channel + 48-bit padding + 64-bit timestamp - */ - s16 buffer[8] = { 0 }; - buffer[0] = mb1232_read_distance(data); - if (buffer[0] < 0) + data->scan.distance = mb1232_read_distance(data); + if (data->scan.distance < 0) goto err; - iio_push_to_buffers_with_timestamp(indio_dev, buffer, pf->timestamp); + iio_push_to_buffers_with_timestamp(indio_dev, &data->scan, + pf->timestamp); err: iio_trigger_notify_done(indio_dev->trig); diff --git a/drivers/infiniband/core/cache.c b/drivers/infiniband/core/cache.c index ffad73bb40ff1d..5a76611e684a3f 100644 --- a/drivers/infiniband/core/cache.c +++ b/drivers/infiniband/core/cache.c @@ -1320,9 +1320,10 @@ struct net_device *rdma_read_gid_attr_ndev_rcu(const struct ib_gid_attr *attr) } EXPORT_SYMBOL(rdma_read_gid_attr_ndev_rcu); -static int get_lower_dev_vlan(struct net_device *lower_dev, void *data) +static int get_lower_dev_vlan(struct net_device *lower_dev, + struct netdev_nested_priv *priv) { - u16 *vlan_id = data; + u16 *vlan_id = (u16 *)priv->data; if (is_vlan_dev(lower_dev)) *vlan_id = vlan_dev_vlan_id(lower_dev); @@ -1348,6 +1349,9 @@ static int get_lower_dev_vlan(struct net_device *lower_dev, void *data) int rdma_read_gid_l2_fields(const struct ib_gid_attr *attr, u16 *vlan_id, u8 *smac) { + struct netdev_nested_priv priv = { + .data = (void *)vlan_id, + }; struct net_device *ndev; rcu_read_lock(); @@ -1368,7 +1372,7 @@ int rdma_read_gid_l2_fields(const struct ib_gid_attr *attr, * the lower vlan device for this gid entry. */ netdev_walk_all_lower_dev_rcu(attr->ndev, - get_lower_dev_vlan, vlan_id); + get_lower_dev_vlan, &priv); } } rcu_read_unlock(); diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c index dc0558b23158a0..fbc28f1a8b9291 100644 --- a/drivers/infiniband/core/cm.c +++ b/drivers/infiniband/core/cm.c @@ -3034,7 +3034,7 @@ static int cm_rej_handler(struct cm_work *work) case IB_CM_REP_SENT: case IB_CM_MRA_REP_RCVD: ib_cancel_mad(cm_id_priv->av.port->mad_agent, cm_id_priv->msg); - /* fall through */ + fallthrough; case IB_CM_REQ_RCVD: case IB_CM_MRA_REQ_SENT: if (IBA_GET(CM_REJ_REASON, rej_msg) == IB_CM_REJ_STALE_CONN) @@ -3044,7 +3044,7 @@ static int cm_rej_handler(struct cm_work *work) break; case IB_CM_DREQ_SENT: ib_cancel_mad(cm_id_priv->av.port->mad_agent, cm_id_priv->msg); - /* fall through */ + fallthrough; case IB_CM_REP_RCVD: case IB_CM_MRA_REP_SENT: cm_enter_timewait(cm_id_priv); @@ -3058,7 +3058,7 @@ static int cm_rej_handler(struct cm_work *work) cm_enter_timewait(cm_id_priv); break; } - /* fall through */ + fallthrough; default: pr_debug("%s: local_id %d, cm_id_priv->id.state: %d\n", __func__, be32_to_cpu(cm_id_priv->id.local_id), @@ -3116,7 +3116,7 @@ int ib_send_cm_mra(struct ib_cm_id *cm_id, msg_response = CM_MSG_RESPONSE_OTHER; break; } - /* fall through */ + fallthrough; default: pr_debug("%s: local_id %d, cm_id_priv->id.state: %d\n", __func__, be32_to_cpu(cm_id_priv->id.local_id), @@ -3227,7 +3227,7 @@ static int cm_mra_handler(struct cm_work *work) case IB_CM_MRA_REP_RCVD: atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES]. counter[CM_MRA_COUNTER]); - /* fall through */ + fallthrough; default: pr_debug("%s local_id %d, cm_id_priv->id.state: %d\n", __func__, be32_to_cpu(cm_id_priv->id.local_id), @@ -4214,7 +4214,7 @@ static int cm_init_qp_rts_attr(struct cm_id_private *cm_id_priv, qp_attr->retry_cnt = cm_id_priv->retry_count; qp_attr->rnr_retry = cm_id_priv->rnr_retry_count; qp_attr->max_rd_atomic = cm_id_priv->initiator_depth; - /* fall through */ + fallthrough; case IB_QPT_XRC_TGT: *qp_attr_mask |= IB_QP_TIMEOUT; qp_attr->timeout = cm_id_priv->av.timeout; diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c index 26de0dab60bbba..5888311b211986 100644 --- a/drivers/infiniband/core/cma.c +++ b/drivers/infiniband/core/cma.c @@ -1985,7 +1985,8 @@ static int cma_ib_handler(struct ib_cm_id *cm_id, event.event = RDMA_CM_EVENT_ESTABLISHED; break; case IB_CM_DREQ_ERROR: - event.status = -ETIMEDOUT; /* fall through */ + event.status = -ETIMEDOUT; + fallthrough; case IB_CM_DREQ_RECEIVED: case IB_CM_DREP_RECEIVED: if (!cma_comp_exch(id_priv, RDMA_CM_CONNECT, @@ -2864,9 +2865,10 @@ struct iboe_prio_tc_map { bool found; }; -static int get_lower_vlan_dev_tc(struct net_device *dev, void *data) +static int get_lower_vlan_dev_tc(struct net_device *dev, + struct netdev_nested_priv *priv) { - struct iboe_prio_tc_map *map = data; + struct iboe_prio_tc_map *map = (struct iboe_prio_tc_map *)priv->data; if (is_vlan_dev(dev)) map->output_tc = get_vlan_ndev_tc(dev, map->input_prio); @@ -2885,16 +2887,18 @@ static int iboe_tos_to_sl(struct net_device *ndev, int tos) { struct iboe_prio_tc_map prio_tc_map = {}; int prio = rt_tos2priority(tos); + struct netdev_nested_priv priv; /* If VLAN device, get it directly from the VLAN netdev */ if (is_vlan_dev(ndev)) return get_vlan_ndev_tc(ndev, prio); prio_tc_map.input_prio = prio; + priv.data = (void *)&prio_tc_map; rcu_read_lock(); netdev_walk_all_lower_dev_rcu(ndev, get_lower_vlan_dev_tc, - &prio_tc_map); + &priv); rcu_read_unlock(); /* If map is found from lower device, use it; Otherwise * continue with the current netdevice to get priority to tc map. diff --git a/drivers/infiniband/core/cq.c b/drivers/infiniband/core/cq.c index 513825e424bffa..a92fc3f90bb5b3 100644 --- a/drivers/infiniband/core/cq.c +++ b/drivers/infiniband/core/cq.c @@ -379,7 +379,7 @@ static int ib_alloc_cqs(struct ib_device *dev, unsigned int nr_cqes, { LIST_HEAD(tmp_list); unsigned int nr_cqs, i; - struct ib_cq *cq; + struct ib_cq *cq, *n; int ret; if (poll_ctx > IB_POLL_LAST_POOL_TYPE) { @@ -412,7 +412,7 @@ static int ib_alloc_cqs(struct ib_device *dev, unsigned int nr_cqes, return 0; out_free_cqs: - list_for_each_entry(cq, &tmp_list, pool_entry) { + list_for_each_entry_safe(cq, n, &tmp_list, pool_entry) { cq->shared = false; ib_free_cq(cq); } diff --git a/drivers/infiniband/core/device.c b/drivers/infiniband/core/device.c index c36b4d2b61e0c0..23ee65a9185fff 100644 --- a/drivers/infiniband/core/device.c +++ b/drivers/infiniband/core/device.c @@ -1285,6 +1285,8 @@ static void disable_device(struct ib_device *device) remove_client_context(device, cid); } + ib_cq_pool_destroy(device); + /* Pairs with refcount_set in enable_device */ ib_device_put(device); wait_for_completion(&device->unreg_completion); @@ -1328,6 +1330,8 @@ static int enable_device_and_get(struct ib_device *device) goto out; } + ib_cq_pool_init(device); + down_read(&clients_rwsem); xa_for_each_marked (&clients, index, client, CLIENT_REGISTERED) { ret = add_client_context(device, client); @@ -1400,7 +1404,6 @@ int ib_register_device(struct ib_device *device, const char *name) goto dev_cleanup; } - ib_cq_pool_init(device); ret = enable_device_and_get(device); dev_set_uevent_suppress(&device->dev, false); /* Mark for userspace that device is ready */ @@ -1455,7 +1458,6 @@ static void __ib_unregister_device(struct ib_device *ib_dev) goto out; disable_device(ib_dev); - ib_cq_pool_destroy(ib_dev); /* Expedite removing unregistered pointers from the hash table */ free_netdevs(ib_dev); diff --git a/drivers/infiniband/core/roce_gid_mgmt.c b/drivers/infiniband/core/roce_gid_mgmt.c index 2860def84f4d3e..6b8364bb032d68 100644 --- a/drivers/infiniband/core/roce_gid_mgmt.c +++ b/drivers/infiniband/core/roce_gid_mgmt.c @@ -531,10 +531,11 @@ struct upper_list { struct net_device *upper; }; -static int netdev_upper_walk(struct net_device *upper, void *data) +static int netdev_upper_walk(struct net_device *upper, + struct netdev_nested_priv *priv) { struct upper_list *entry = kmalloc(sizeof(*entry), GFP_ATOMIC); - struct list_head *upper_list = data; + struct list_head *upper_list = (struct list_head *)priv->data; if (!entry) return 0; @@ -553,12 +554,14 @@ static void handle_netdev_upper(struct ib_device *ib_dev, u8 port, struct net_device *ndev)) { struct net_device *ndev = cookie; + struct netdev_nested_priv priv; struct upper_list *upper_iter; struct upper_list *upper_temp; LIST_HEAD(upper_list); + priv.data = &upper_list; rcu_read_lock(); - netdev_walk_all_upper_dev_rcu(ndev, netdev_upper_walk, &upper_list); + netdev_walk_all_upper_dev_rcu(ndev, netdev_upper_walk, &priv); rcu_read_unlock(); handle_netdev(ib_dev, port, ndev); diff --git a/drivers/infiniband/core/rw.c b/drivers/infiniband/core/rw.c index 614cff89fc7191..13f43ab7220b05 100644 --- a/drivers/infiniband/core/rw.c +++ b/drivers/infiniband/core/rw.c @@ -510,7 +510,6 @@ struct ib_send_wr *rdma_rw_ctx_wrs(struct rdma_rw_ctx *ctx, struct ib_qp *qp, switch (ctx->type) { case RDMA_RW_SIG_MR: case RDMA_RW_MR: - /* fallthrough */ for (i = 0; i < ctx->nr_ops; i++) { rdma_rw_update_lkey(&ctx->reg[i], ctx->reg[i].wr.wr.opcode != diff --git a/drivers/infiniband/core/ucma.c b/drivers/infiniband/core/ucma.c index d03dacaef78805..1d184ea05eba1c 100644 --- a/drivers/infiniband/core/ucma.c +++ b/drivers/infiniband/core/ucma.c @@ -794,7 +794,7 @@ static void ucma_copy_ib_route(struct rdma_ucm_query_route_resp *resp, case 2: ib_copy_path_rec_to_user(&resp->ib_route[1], &route->path_rec[1]); - /* fall through */ + fallthrough; case 1: ib_copy_path_rec_to_user(&resp->ib_route[0], &route->path_rec[0]); @@ -820,7 +820,7 @@ static void ucma_copy_iboe_route(struct rdma_ucm_query_route_resp *resp, case 2: ib_copy_path_rec_to_user(&resp->ib_route[1], &route->path_rec[1]); - /* fall through */ + fallthrough; case 1: ib_copy_path_rec_to_user(&resp->ib_route[0], &route->path_rec[0]); diff --git a/drivers/infiniband/core/uverbs_ioctl.c b/drivers/infiniband/core/uverbs_ioctl.c index ef04a261097fca..e47c5949013f3a 100644 --- a/drivers/infiniband/core/uverbs_ioctl.c +++ b/drivers/infiniband/core/uverbs_ioctl.c @@ -259,7 +259,7 @@ static int uverbs_process_attr(struct bundle_priv *pbundle, return -EOPNOTSUPP; e->ptr_attr.enum_id = uattr->attr_data.enum_data.elem_id; - /* fall through */ + fallthrough; case UVERBS_ATTR_TYPE_PTR_IN: /* Ensure that any data provided by userspace beyond the known * struct is zero. Userspace that knows how to use some future @@ -271,7 +271,7 @@ static int uverbs_process_attr(struct bundle_priv *pbundle, !uverbs_is_attr_cleared(uattr, val_spec->u.ptr.len)) return -EOPNOTSUPP; - /* fall through */ + fallthrough; case UVERBS_ATTR_TYPE_PTR_OUT: if (uattr->len < val_spec->u.ptr.min_len || (!val_spec->zero_trailing && diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c index 3096e73797b775..307886737646ea 100644 --- a/drivers/infiniband/core/verbs.c +++ b/drivers/infiniband/core/verbs.c @@ -1801,7 +1801,7 @@ int ib_get_eth_speed(struct ib_device *dev, u8 port_num, u8 *speed, u8 *width) dev_put(netdev); - if (!rc) { + if (!rc && lksettings.base.speed != (u32)SPEED_UNKNOWN) { netdev_speed = lksettings.base.speed; } else { netdev_speed = SPEED_1000; diff --git a/drivers/infiniband/hw/bnxt_re/ib_verbs.c b/drivers/infiniband/hw/bnxt_re/ib_verbs.c index 3f18efc0c29744..1d7a9ca5240c5b 100644 --- a/drivers/infiniband/hw/bnxt_re/ib_verbs.c +++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.c @@ -752,12 +752,6 @@ static int bnxt_re_destroy_gsi_sqp(struct bnxt_re_qp *qp) gsi_sqp = rdev->gsi_ctx.gsi_sqp; gsi_sah = rdev->gsi_ctx.gsi_sah; - /* remove from active qp list */ - mutex_lock(&rdev->qp_lock); - list_del(&gsi_sqp->list); - mutex_unlock(&rdev->qp_lock); - atomic_dec(&rdev->qp_count); - ibdev_dbg(&rdev->ibdev, "Destroy the shadow AH\n"); bnxt_qplib_destroy_ah(&rdev->qplib_res, &gsi_sah->qplib_ah, @@ -772,6 +766,12 @@ static int bnxt_re_destroy_gsi_sqp(struct bnxt_re_qp *qp) } bnxt_qplib_free_qp_res(&rdev->qplib_res, &gsi_sqp->qplib_qp); + /* remove from active qp list */ + mutex_lock(&rdev->qp_lock); + list_del(&gsi_sqp->list); + mutex_unlock(&rdev->qp_lock); + atomic_dec(&rdev->qp_count); + kfree(rdev->gsi_ctx.sqp_tbl); kfree(gsi_sah); kfree(gsi_sqp); @@ -792,11 +792,6 @@ int bnxt_re_destroy_qp(struct ib_qp *ib_qp, struct ib_udata *udata) unsigned int flags; int rc; - mutex_lock(&rdev->qp_lock); - list_del(&qp->list); - mutex_unlock(&rdev->qp_lock); - atomic_dec(&rdev->qp_count); - bnxt_qplib_flush_cqn_wq(&qp->qplib_qp); rc = bnxt_qplib_destroy_qp(&rdev->qplib_res, &qp->qplib_qp); @@ -819,6 +814,11 @@ int bnxt_re_destroy_qp(struct ib_qp *ib_qp, struct ib_udata *udata) goto sh_fail; } + mutex_lock(&rdev->qp_lock); + list_del(&qp->list); + mutex_unlock(&rdev->qp_lock); + atomic_dec(&rdev->qp_count); + ib_umem_release(qp->rumem); ib_umem_release(qp->sumem); @@ -2657,7 +2657,7 @@ int bnxt_re_post_send(struct ib_qp *ib_qp, const struct ib_send_wr *wr, default: break; } - /* fall through */ + fallthrough; case IB_WR_SEND_WITH_INV: rc = bnxt_re_build_send_wqe(qp, wr, &wqe); break; @@ -3264,6 +3264,19 @@ static void bnxt_re_process_res_rawqp1_wc(struct ib_wc *wc, wc->wc_flags |= IB_WC_GRH; } +static bool bnxt_re_check_if_vlan_valid(struct bnxt_re_dev *rdev, + u16 vlan_id) +{ + /* + * Check if the vlan is configured in the host. If not configured, it + * can be a transparent VLAN. So dont report the vlan id. + */ + if (!__vlan_find_dev_deep_rcu(rdev->netdev, + htons(ETH_P_8021Q), vlan_id)) + return false; + return true; +} + static bool bnxt_re_is_vlan_pkt(struct bnxt_qplib_cqe *orig_cqe, u16 *vid, u8 *sl) { @@ -3332,9 +3345,11 @@ static void bnxt_re_process_res_shadow_qp_wc(struct bnxt_re_qp *gsi_sqp, wc->src_qp = orig_cqe->src_qp; memcpy(wc->smac, orig_cqe->smac, ETH_ALEN); if (bnxt_re_is_vlan_pkt(orig_cqe, &vlan_id, &sl)) { - wc->vlan_id = vlan_id; - wc->sl = sl; - wc->wc_flags |= IB_WC_WITH_VLAN; + if (bnxt_re_check_if_vlan_valid(rdev, vlan_id)) { + wc->vlan_id = vlan_id; + wc->sl = sl; + wc->wc_flags |= IB_WC_WITH_VLAN; + } } wc->port_num = 1; wc->vendor_err = orig_cqe->status; diff --git a/drivers/infiniband/hw/bnxt_re/main.c b/drivers/infiniband/hw/bnxt_re/main.c index 17ac8b7c571047..53aee5a42ab850 100644 --- a/drivers/infiniband/hw/bnxt_re/main.c +++ b/drivers/infiniband/hw/bnxt_re/main.c @@ -1009,7 +1009,6 @@ static void bnxt_re_free_res(struct bnxt_re_dev *rdev) static int bnxt_re_alloc_res(struct bnxt_re_dev *rdev) { struct bnxt_re_ring_attr rattr = {}; - struct bnxt_qplib_ctx *qplib_ctx; int num_vec_created = 0; int rc = 0, i; u8 type; @@ -1032,13 +1031,11 @@ static int bnxt_re_alloc_res(struct bnxt_re_dev *rdev) if (rc) goto dealloc_res; - qplib_ctx = &rdev->qplib_ctx; for (i = 0; i < rdev->num_msix - 1; i++) { struct bnxt_qplib_nq *nq; nq = &rdev->nq[i]; - nq->hwq.max_elements = (qplib_ctx->cq_count + - qplib_ctx->srqc_count + 2); + nq->hwq.max_elements = BNXT_QPLIB_NQE_MAX_CNT; rc = bnxt_qplib_alloc_nq(&rdev->qplib_res, &rdev->nq[i]); if (rc) { ibdev_err(&rdev->ibdev, "Alloc Failed NQ%d rc:%#x", diff --git a/drivers/infiniband/hw/bnxt_re/qplib_fp.c b/drivers/infiniband/hw/bnxt_re/qplib_fp.c index 117b42349a2836..f78da54a0bc50f 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_fp.c +++ b/drivers/infiniband/hw/bnxt_re/qplib_fp.c @@ -818,6 +818,7 @@ int bnxt_qplib_create_qp1(struct bnxt_qplib_res *res, struct bnxt_qplib_qp *qp) u16 cmd_flags = 0; u32 qp_flags = 0; u8 pg_sz_lvl; + u32 tbl_indx; int rc; RCFW_CMD_PREP(req, CREATE_QP1, cmd_flags); @@ -907,8 +908,9 @@ int bnxt_qplib_create_qp1(struct bnxt_qplib_res *res, struct bnxt_qplib_qp *qp) rq->dbinfo.db = qp->dpi->dbr; rq->dbinfo.max_slot = bnxt_qplib_set_rq_max_slot(rq->wqe_size); } - rcfw->qp_tbl[qp->id].qp_id = qp->id; - rcfw->qp_tbl[qp->id].qp_handle = (void *)qp; + tbl_indx = map_qp_id_to_tbl_indx(qp->id, rcfw); + rcfw->qp_tbl[tbl_indx].qp_id = qp->id; + rcfw->qp_tbl[tbl_indx].qp_handle = (void *)qp; return 0; @@ -935,10 +937,10 @@ static void bnxt_qplib_init_psn_ptr(struct bnxt_qplib_qp *qp, int size) sq = &qp->sq; hwq = &sq->hwq; + /* First psn entry */ fpsne = (u64)bnxt_qplib_get_qe(hwq, hwq->depth, &psn_pg); if (!IS_ALIGNED(fpsne, PAGE_SIZE)) - indx_pad = ALIGN(fpsne, PAGE_SIZE) / size; - + indx_pad = (fpsne & ~PAGE_MASK) / size; hwq->pad_pgofft = indx_pad; hwq->pad_pg = (u64 *)psn_pg; hwq->pad_stride = size; @@ -959,6 +961,7 @@ int bnxt_qplib_create_qp(struct bnxt_qplib_res *res, struct bnxt_qplib_qp *qp) u16 cmd_flags = 0; u32 qp_flags = 0; u8 pg_sz_lvl; + u32 tbl_indx; u16 nsge; RCFW_CMD_PREP(req, CREATE_QP, cmd_flags); @@ -1111,8 +1114,9 @@ int bnxt_qplib_create_qp(struct bnxt_qplib_res *res, struct bnxt_qplib_qp *qp) rq->dbinfo.db = qp->dpi->dbr; rq->dbinfo.max_slot = bnxt_qplib_set_rq_max_slot(rq->wqe_size); } - rcfw->qp_tbl[qp->id].qp_id = qp->id; - rcfw->qp_tbl[qp->id].qp_handle = (void *)qp; + tbl_indx = map_qp_id_to_tbl_indx(qp->id, rcfw); + rcfw->qp_tbl[tbl_indx].qp_id = qp->id; + rcfw->qp_tbl[tbl_indx].qp_handle = (void *)qp; return 0; fail: @@ -1457,10 +1461,12 @@ int bnxt_qplib_destroy_qp(struct bnxt_qplib_res *res, struct cmdq_destroy_qp req; struct creq_destroy_qp_resp resp; u16 cmd_flags = 0; + u32 tbl_indx; int rc; - rcfw->qp_tbl[qp->id].qp_id = BNXT_QPLIB_QP_ID_INVALID; - rcfw->qp_tbl[qp->id].qp_handle = NULL; + tbl_indx = map_qp_id_to_tbl_indx(qp->id, rcfw); + rcfw->qp_tbl[tbl_indx].qp_id = BNXT_QPLIB_QP_ID_INVALID; + rcfw->qp_tbl[tbl_indx].qp_handle = NULL; RCFW_CMD_PREP(req, DESTROY_QP, cmd_flags); @@ -1468,8 +1474,8 @@ int bnxt_qplib_destroy_qp(struct bnxt_qplib_res *res, rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp, NULL, 0); if (rc) { - rcfw->qp_tbl[qp->id].qp_id = qp->id; - rcfw->qp_tbl[qp->id].qp_handle = qp; + rcfw->qp_tbl[tbl_indx].qp_id = qp->id; + rcfw->qp_tbl[tbl_indx].qp_handle = qp; return rc; } @@ -1779,7 +1785,7 @@ int bnxt_qplib_post_send(struct bnxt_qplib_qp *qp, break; } - /* fall thru */ + fallthrough; case BNXT_QPLIB_SWQE_TYPE_SEND_WITH_IMM: case BNXT_QPLIB_SWQE_TYPE_SEND_WITH_INV: { diff --git a/drivers/infiniband/hw/bnxt_re/qplib_rcfw.c b/drivers/infiniband/hw/bnxt_re/qplib_rcfw.c index 4e211162acee2f..f7736e34ac64c9 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_rcfw.c +++ b/drivers/infiniband/hw/bnxt_re/qplib_rcfw.c @@ -307,14 +307,15 @@ static int bnxt_qplib_process_qp_event(struct bnxt_qplib_rcfw *rcfw, __le16 mcookie; u16 cookie; int rc = 0; - u32 qp_id; + u32 qp_id, tbl_indx; pdev = rcfw->pdev; switch (qp_event->event) { case CREQ_QP_EVENT_EVENT_QP_ERROR_NOTIFICATION: err_event = (struct creq_qp_error_notification *)qp_event; qp_id = le32_to_cpu(err_event->xid); - qp = rcfw->qp_tbl[qp_id].qp_handle; + tbl_indx = map_qp_id_to_tbl_indx(qp_id, rcfw); + qp = rcfw->qp_tbl[tbl_indx].qp_handle; dev_dbg(&pdev->dev, "Received QP error notification\n"); dev_dbg(&pdev->dev, "qpid 0x%x, req_err=0x%x, resp_err=0x%x\n", @@ -615,8 +616,9 @@ int bnxt_qplib_alloc_rcfw_channel(struct bnxt_qplib_res *res, cmdq->bmap_size = bmap_size; - rcfw->qp_tbl_size = qp_tbl_sz; - rcfw->qp_tbl = kcalloc(qp_tbl_sz, sizeof(struct bnxt_qplib_qp_node), + /* Allocate one extra to hold the QP1 entries */ + rcfw->qp_tbl_size = qp_tbl_sz + 1; + rcfw->qp_tbl = kcalloc(rcfw->qp_tbl_size, sizeof(struct bnxt_qplib_qp_node), GFP_KERNEL); if (!rcfw->qp_tbl) goto fail; diff --git a/drivers/infiniband/hw/bnxt_re/qplib_rcfw.h b/drivers/infiniband/hw/bnxt_re/qplib_rcfw.h index 157387636d0044..5f2f0a5a3560ff 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_rcfw.h +++ b/drivers/infiniband/hw/bnxt_re/qplib_rcfw.h @@ -216,4 +216,9 @@ int bnxt_qplib_deinit_rcfw(struct bnxt_qplib_rcfw *rcfw); int bnxt_qplib_init_rcfw(struct bnxt_qplib_rcfw *rcfw, struct bnxt_qplib_ctx *ctx, int is_virtfn); void bnxt_qplib_mark_qp_error(void *qp_handle); +static inline u32 map_qp_id_to_tbl_indx(u32 qid, struct bnxt_qplib_rcfw *rcfw) +{ + /* Last index of the qp_tbl is for QP1 ie. qp_tbl_size - 1*/ + return (qid == 1) ? rcfw->qp_tbl_size - 1 : qid % rcfw->qp_tbl_size - 2; +} #endif /* __BNXT_QPLIB_RCFW_H__ */ diff --git a/drivers/infiniband/hw/bnxt_re/qplib_sp.c b/drivers/infiniband/hw/bnxt_re/qplib_sp.c index 4cd475ea97a24e..64d44f51db4b6c 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_sp.c +++ b/drivers/infiniband/hw/bnxt_re/qplib_sp.c @@ -149,7 +149,7 @@ int bnxt_qplib_get_dev_attr(struct bnxt_qplib_rcfw *rcfw, attr->max_inline_data = le32_to_cpu(sb->max_inline_data); attr->l2_db_size = (sb->l2_db_space_size + 1) * (0x01 << RCFW_DBR_BASE_PAGE_SHIFT); - attr->max_sgid = le32_to_cpu(sb->max_gid); + attr->max_sgid = BNXT_QPLIB_NUM_GIDS_SUPPORTED; bnxt_qplib_query_version(rcfw, attr->fw_ver); diff --git a/drivers/infiniband/hw/bnxt_re/qplib_sp.h b/drivers/infiniband/hw/bnxt_re/qplib_sp.h index 6404f0da10517a..967890cd81f271 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_sp.h +++ b/drivers/infiniband/hw/bnxt_re/qplib_sp.h @@ -47,6 +47,7 @@ struct bnxt_qplib_dev_attr { #define FW_VER_ARR_LEN 4 u8 fw_ver[FW_VER_ARR_LEN]; +#define BNXT_QPLIB_NUM_GIDS_SUPPORTED 256 u16 max_sgid; u16 max_mrw; u32 max_qp; diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c index 77bc02a9228eef..1f288c73ccfc26 100644 --- a/drivers/infiniband/hw/cxgb4/cm.c +++ b/drivers/infiniband/hw/cxgb4/cm.c @@ -2885,7 +2885,7 @@ static int peer_abort(struct c4iw_dev *dev, struct sk_buff *skb) case MORIBUND: case CLOSING: stop_ep_timer(ep); - /*FALLTHROUGH*/ + fallthrough; case FPDU_MODE: if (ep->com.qp && ep->com.qp->srq) { srqidx = ABORT_RSS_SRQIDX_G( @@ -3759,7 +3759,7 @@ static void active_ofld_conn_reply(struct c4iw_dev *dev, struct sk_buff *skb, send_fw_act_open_req(ep, atid); return; } - /* fall through */ + fallthrough; case FW_EADDRINUSE: set_bit(ACT_RETRY_INUSE, &ep->com.history); if (ep->retry_count++ < ACT_OPEN_RETRY_COUNT) { diff --git a/drivers/infiniband/hw/cxgb4/qp.c b/drivers/infiniband/hw/cxgb4/qp.c index ac48012c992f1d..cbddb20c61216e 100644 --- a/drivers/infiniband/hw/cxgb4/qp.c +++ b/drivers/infiniband/hw/cxgb4/qp.c @@ -1165,7 +1165,7 @@ int c4iw_post_send(struct ib_qp *ibqp, const struct ib_send_wr *wr, break; } fw_flags |= FW_RI_RDMA_WRITE_WITH_IMMEDIATE; - /*FALLTHROUGH*/ + fallthrough; case IB_WR_RDMA_WRITE: fw_opcode = FW_RI_RDMA_WRITE_WR; swsqe->opcode = FW_RI_RDMA_WRITE; diff --git a/drivers/infiniband/hw/hfi1/pio_copy.c b/drivers/infiniband/hw/hfi1/pio_copy.c index b12e4665c9ab1b..4a4ec23978579b 100644 --- a/drivers/infiniband/hw/hfi1/pio_copy.c +++ b/drivers/infiniband/hw/hfi1/pio_copy.c @@ -209,7 +209,6 @@ static inline void jcopy(u8 *dest, const u8 *src, u32 n) fallthrough; case 1: *dest++ = *src++; - /* fall through */ } } diff --git a/drivers/infiniband/hw/i40iw/i40iw_cm.c b/drivers/infiniband/hw/i40iw/i40iw_cm.c index fa7a5ff498c73b..a3b95805c154e6 100644 --- a/drivers/infiniband/hw/i40iw/i40iw_cm.c +++ b/drivers/infiniband/hw/i40iw/i40iw_cm.c @@ -2443,7 +2443,7 @@ static void i40iw_handle_rst_pkt(struct i40iw_cm_node *cm_node, case I40IW_CM_STATE_FIN_WAIT1: case I40IW_CM_STATE_LAST_ACK: cm_node->cm_id->rem_ref(cm_node->cm_id); - /* fall through */ + fallthrough; case I40IW_CM_STATE_TIME_WAIT: cm_node->state = I40IW_CM_STATE_CLOSED; i40iw_rem_ref_cm_node(cm_node); diff --git a/drivers/infiniband/hw/i40iw/i40iw_ctrl.c b/drivers/infiniband/hw/i40iw/i40iw_ctrl.c index 688f196672215e..86d3f8aff329c1 100644 --- a/drivers/infiniband/hw/i40iw/i40iw_ctrl.c +++ b/drivers/infiniband/hw/i40iw/i40iw_ctrl.c @@ -1964,7 +1964,6 @@ static enum i40iw_status_code i40iw_sc_get_next_aeqe(struct i40iw_sc_aeq *aeq, info->out_rdrsp = true; break; case I40IW_AE_SOURCE_RSVD: - /* fallthrough */ default: break; } @@ -3762,14 +3761,14 @@ static enum i40iw_status_code cqp_sds_wqe_fill(struct i40iw_sc_cqp *cqp, LS_64(1, I40IW_CQPSQ_UPESD_ENTRY_VALID))); set_64bit_val(wqe, 56, info->entry[2].data); - /* fallthrough */ + fallthrough; case 2: set_64bit_val(wqe, 32, (LS_64(info->entry[1].cmd, I40IW_CQPSQ_UPESD_SDCMD) | LS_64(1, I40IW_CQPSQ_UPESD_ENTRY_VALID))); set_64bit_val(wqe, 40, info->entry[1].data); - /* fallthrough */ + fallthrough; case 1: set_64bit_val(wqe, 0, LS_64(info->entry[0].cmd, I40IW_CQPSQ_UPESD_SDCMD)); diff --git a/drivers/infiniband/hw/i40iw/i40iw_hw.c b/drivers/infiniband/hw/i40iw/i40iw_hw.c index ae8b97c3066575..e1085634b8d9df 100644 --- a/drivers/infiniband/hw/i40iw/i40iw_hw.c +++ b/drivers/infiniband/hw/i40iw/i40iw_hw.c @@ -353,7 +353,6 @@ void i40iw_process_aeq(struct i40iw_device *iwdev) i40iw_cm_disconn(iwqp); break; case I40IW_AE_BAD_CLOSE: - /* fall through */ case I40IW_AE_RESET_SENT: i40iw_next_iw_state(iwqp, I40IW_QP_STATE_ERROR, 1, 0, 0); i40iw_cm_disconn(iwqp); @@ -413,7 +412,7 @@ void i40iw_process_aeq(struct i40iw_device *iwdev) case I40IW_AE_UDA_XMIT_DGRAM_TOO_LONG: case I40IW_AE_UDA_XMIT_DGRAM_TOO_SHORT: ctx_info->err_rq_idx_valid = false; - /* fall through */ + fallthrough; default: if (!info->sq && ctx_info->err_rq_idx_valid) { ctx_info->err_rq_idx = info->wqe_idx; diff --git a/drivers/infiniband/hw/i40iw/i40iw_main.c b/drivers/infiniband/hw/i40iw/i40iw_main.c index 9c96ece5e7f33b..58a433135a0386 100644 --- a/drivers/infiniband/hw/i40iw/i40iw_main.c +++ b/drivers/infiniband/hw/i40iw/i40iw_main.c @@ -1489,36 +1489,35 @@ static void i40iw_deinit_device(struct i40iw_device *iwdev) iwdev->iw_status = 0; i40iw_port_ibevent(iwdev); i40iw_destroy_rdma_device(iwdev->iwibdev); - /* fallthrough */ + fallthrough; case IP_ADDR_REGISTERED: if (!iwdev->reset) i40iw_del_macip_entry(iwdev, (u8)iwdev->mac_ip_table_idx); - /* fallthrough */ - /* fallthrough */ + fallthrough; case PBLE_CHUNK_MEM: i40iw_destroy_pble_pool(dev, iwdev->pble_rsrc); - /* fallthrough */ + fallthrough; case CEQ_CREATED: i40iw_dele_ceqs(iwdev); - /* fallthrough */ + fallthrough; case AEQ_CREATED: i40iw_destroy_aeq(iwdev); - /* fallthrough */ + fallthrough; case IEQ_CREATED: i40iw_puda_dele_resources(&iwdev->vsi, I40IW_PUDA_RSRC_TYPE_IEQ, iwdev->reset); - /* fallthrough */ + fallthrough; case ILQ_CREATED: i40iw_puda_dele_resources(&iwdev->vsi, I40IW_PUDA_RSRC_TYPE_ILQ, iwdev->reset); - /* fallthrough */ + fallthrough; case CCQ_CREATED: i40iw_destroy_ccq(iwdev); - /* fallthrough */ + fallthrough; case HMC_OBJS_CREATED: i40iw_del_hmc_objects(dev, dev->hmc_info, true, iwdev->reset); - /* fallthrough */ + fallthrough; case CQP_CREATED: i40iw_destroy_cqp(iwdev, true); - /* fallthrough */ + fallthrough; case INITIAL_STATE: i40iw_cleanup_cm_core(&iwdev->cm_core); if (iwdev->vsi.pestat) { @@ -1528,7 +1527,6 @@ static void i40iw_deinit_device(struct i40iw_device *iwdev) i40iw_del_init_mem(iwdev); break; case INVALID_STATE: - /* fallthrough */ default: i40iw_pr_err("bad init_state = %d\n", iwdev->init_state); break; diff --git a/drivers/infiniband/hw/i40iw/i40iw_puda.c b/drivers/infiniband/hw/i40iw/i40iw_puda.c index d9c7ae6a7030b4..924be4b03c9a0e 100644 --- a/drivers/infiniband/hw/i40iw/i40iw_puda.c +++ b/drivers/infiniband/hw/i40iw/i40iw_puda.c @@ -814,13 +814,13 @@ void i40iw_puda_dele_resources(struct i40iw_sc_vsi *vsi, switch (rsrc->completion) { case PUDA_HASH_CRC_COMPLETE: i40iw_free_hash_desc(rsrc->hash_desc); - /* fall through */ + fallthrough; case PUDA_QP_CREATED: if (!reset) i40iw_puda_free_qp(rsrc); i40iw_free_dma_mem(dev->hw, &rsrc->qpmem); - /* fallthrough */ + fallthrough; case PUDA_CQ_CREATED: if (!reset) i40iw_puda_free_cq(rsrc); diff --git a/drivers/infiniband/hw/i40iw/i40iw_utils.c b/drivers/infiniband/hw/i40iw/i40iw_utils.c index 016524683e17eb..e07fb37af0865d 100644 --- a/drivers/infiniband/hw/i40iw/i40iw_utils.c +++ b/drivers/infiniband/hw/i40iw/i40iw_utils.c @@ -190,9 +190,8 @@ int i40iw_inetaddr_event(struct notifier_block *notifier, switch (event) { case NETDEV_DOWN: action = I40IW_ARP_DELETE; - /* Fall through */ + fallthrough; case NETDEV_UP: - /* Fall through */ case NETDEV_CHANGEADDR: /* Just skip if no need to handle ARP cache */ @@ -247,9 +246,8 @@ int i40iw_inet6addr_event(struct notifier_block *notifier, switch (event) { case NETDEV_DOWN: action = I40IW_ARP_DELETE; - /* Fall through */ + fallthrough; case NETDEV_UP: - /* Fall through */ case NETDEV_CHANGEADDR: i40iw_manage_arp_cache(iwdev, netdev->dev_addr, @@ -344,7 +342,7 @@ int i40iw_netdevice_event(struct notifier_block *notifier, switch (event) { case NETDEV_DOWN: iwdev->iw_status = 0; - /* Fall through */ + fallthrough; case NETDEV_UP: i40iw_port_ibevent(iwdev); break; diff --git a/drivers/infiniband/hw/i40iw/i40iw_verbs.c b/drivers/infiniband/hw/i40iw/i40iw_verbs.c index 6957e4f3404b10..b51339328a51ef 100644 --- a/drivers/infiniband/hw/i40iw/i40iw_verbs.c +++ b/drivers/infiniband/hw/i40iw/i40iw_verbs.c @@ -810,7 +810,7 @@ void i40iw_hw_modify_qp(struct i40iw_device *iwdev, struct i40iw_qp *iwqp, case I40IW_QP_STATE_RTS: if (iwqp->iwarp_state == I40IW_QP_STATE_IDLE) i40iw_send_reset(iwqp->cm_node); - /* fall through */ + fallthrough; case I40IW_QP_STATE_IDLE: case I40IW_QP_STATE_TERMINATE: case I40IW_QP_STATE_CLOSING: @@ -2144,7 +2144,6 @@ static int i40iw_post_send(struct ib_qp *ibqp, switch (ib_wr->opcode) { case IB_WR_SEND: - /* fall-through */ case IB_WR_SEND_WITH_INV: if (ib_wr->opcode == IB_WR_SEND) { if (ib_wr->send_flags & IB_SEND_SOLICITED) @@ -2201,7 +2200,7 @@ static int i40iw_post_send(struct ib_qp *ibqp, break; case IB_WR_RDMA_READ_WITH_INV: inv_stag = true; - /* fall-through*/ + fallthrough; case IB_WR_RDMA_READ: if (ib_wr->num_sge > I40IW_MAX_SGE_RD) { err = -EINVAL; diff --git a/drivers/infiniband/hw/mlx4/cq.c b/drivers/infiniband/hw/mlx4/cq.c index f8b936b76dcdfd..8a3436994f8097 100644 --- a/drivers/infiniband/hw/mlx4/cq.c +++ b/drivers/infiniband/hw/mlx4/cq.c @@ -765,13 +765,13 @@ repoll: switch (cqe->owner_sr_opcode & MLX4_CQE_OPCODE_MASK) { case MLX4_OPCODE_RDMA_WRITE_IMM: wc->wc_flags |= IB_WC_WITH_IMM; - /* fall through */ + fallthrough; case MLX4_OPCODE_RDMA_WRITE: wc->opcode = IB_WC_RDMA_WRITE; break; case MLX4_OPCODE_SEND_IMM: wc->wc_flags |= IB_WC_WITH_IMM; - /* fall through */ + fallthrough; case MLX4_OPCODE_SEND: case MLX4_OPCODE_SEND_INVAL: wc->opcode = IB_WC_SEND; diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c index 5e7910a517daef..bd4f975e7f9aca 100644 --- a/drivers/infiniband/hw/mlx4/main.c +++ b/drivers/infiniband/hw/mlx4/main.c @@ -784,7 +784,8 @@ static int eth_link_query_port(struct ib_device *ibdev, u8 port, props->ip_gids = true; props->gid_tbl_len = mdev->dev->caps.gid_table_len[port]; props->max_msg_sz = mdev->dev->caps.max_msg_sz; - props->pkey_tbl_len = 1; + if (mdev->dev->caps.pkey_table_len[port]) + props->pkey_tbl_len = 1; props->max_mtu = IB_MTU_4096; props->max_vl_num = 2; props->state = IB_PORT_DOWN; diff --git a/drivers/infiniband/hw/mlx4/mcg.c b/drivers/infiniband/hw/mlx4/mcg.c index d844831179cf7c..5e4ec9786081cf 100644 --- a/drivers/infiniband/hw/mlx4/mcg.c +++ b/drivers/infiniband/hw/mlx4/mcg.c @@ -944,7 +944,7 @@ int mlx4_ib_mcg_multiplex_handler(struct ib_device *ibdev, int port, switch (sa_mad->mad_hdr.method) { case IB_MGMT_METHOD_SET: may_create = 1; - /* fall through */ + fallthrough; case IB_SA_METHOD_DELETE: req = kzalloc(sizeof *req, GFP_KERNEL); if (!req) diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c index f9ca6e000a8146..2975f350b9fd10 100644 --- a/drivers/infiniband/hw/mlx4/qp.c +++ b/drivers/infiniband/hw/mlx4/qp.c @@ -1578,12 +1578,12 @@ static struct ib_qp *_mlx4_ib_create_qp(struct ib_pd *pd, pd = to_mxrcd(init_attr->xrcd)->pd; xrcdn = to_mxrcd(init_attr->xrcd)->xrcdn; init_attr->send_cq = to_mxrcd(init_attr->xrcd)->cq; - /* fall through */ + fallthrough; case IB_QPT_XRC_INI: if (!(to_mdev(pd->device)->dev->caps.flags & MLX4_DEV_CAP_FLAG_XRC)) return ERR_PTR(-ENOSYS); init_attr->recv_cq = init_attr->send_cq; - /* fall through */ + fallthrough; case IB_QPT_RC: case IB_QPT_UC: case IB_QPT_RAW_PACKET: @@ -1592,7 +1592,7 @@ static struct ib_qp *_mlx4_ib_create_qp(struct ib_pd *pd, return ERR_PTR(-ENOMEM); qp->pri.vid = 0xFFFF; qp->alt.vid = 0xFFFF; - /* fall through */ + fallthrough; case IB_QPT_UD: { err = create_qp_common(pd, init_attr, udata, 0, &qp); diff --git a/drivers/infiniband/hw/mlx5/cq.c b/drivers/infiniband/hw/mlx5/cq.c index 0133ebb8d740e8..dceb0eb2bed162 100644 --- a/drivers/infiniband/hw/mlx5/cq.c +++ b/drivers/infiniband/hw/mlx5/cq.c @@ -121,13 +121,13 @@ static void handle_good_req(struct ib_wc *wc, struct mlx5_cqe64 *cqe, switch (be32_to_cpu(cqe->sop_drop_qpn) >> 24) { case MLX5_OPCODE_RDMA_WRITE_IMM: wc->wc_flags |= IB_WC_WITH_IMM; - /* fall through */ + fallthrough; case MLX5_OPCODE_RDMA_WRITE: wc->opcode = IB_WC_RDMA_WRITE; break; case MLX5_OPCODE_SEND_IMM: wc->wc_flags |= IB_WC_WITH_IMM; - /* fall through */ + fallthrough; case MLX5_OPCODE_SEND: case MLX5_OPCODE_SEND_INVAL: wc->opcode = IB_WC_SEND; diff --git a/drivers/infiniband/hw/mlx5/mad.c b/drivers/infiniband/hw/mlx5/mad.c index 454ce5de2de717..9bb9bb058932f1 100644 --- a/drivers/infiniband/hw/mlx5/mad.c +++ b/drivers/infiniband/hw/mlx5/mad.c @@ -250,9 +250,8 @@ int mlx5_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num, if (MLX5_CAP_GEN(dev->mdev, vport_counters) && method == IB_MGMT_METHOD_GET) return process_pma_cmd(dev, port_num, in, out); - /* fallthrough */ + fallthrough; case MLX5_IB_VENDOR_CLASS1: - /* fallthrough */ case MLX5_IB_VENDOR_CLASS2: case IB_MGMT_CLASS_CONG_MGMT: { if (method != IB_MGMT_METHOD_GET && diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index fbc45a5e76c5c6..d60d63221b14d9 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -2872,7 +2872,7 @@ static void mlx5_ib_handle_event(struct work_struct *_work) break; case MLX5_EVENT_TYPE_GENERAL_EVENT: handle_general_event(ibdev, work->param, &ibev); - /* fall through */ + fallthrough; default: goto out; } diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c index 59fce5fac7a334..5758dbe640451c 100644 --- a/drivers/infiniband/hw/mlx5/qp.c +++ b/drivers/infiniband/hw/mlx5/qp.c @@ -416,7 +416,7 @@ static int sq_overhead(struct ib_qp_init_attr *attr) switch (attr->qp_type) { case IB_QPT_XRC_INI: size += sizeof(struct mlx5_wqe_xrc_seg); - /* fall through */ + fallthrough; case IB_QPT_RC: size += sizeof(struct mlx5_wqe_ctrl_seg) + max(sizeof(struct mlx5_wqe_atomic_seg) + @@ -441,7 +441,7 @@ static int sq_overhead(struct ib_qp_init_attr *attr) if (attr->create_flags & IB_QP_CREATE_IPOIB_UD_LSO) size += sizeof(struct mlx5_wqe_eth_pad) + sizeof(struct mlx5_wqe_eth_seg); - /* fall through */ + fallthrough; case IB_QPT_SMI: case MLX5_IB_QPT_HW_GSI: size += sizeof(struct mlx5_wqe_ctrl_seg) + diff --git a/drivers/infiniband/hw/mthca/mthca_av.c b/drivers/infiniband/hw/mthca/mthca_av.c index 0823c0bc7e73a9..f051f4e06b539c 100644 --- a/drivers/infiniband/hw/mthca/mthca_av.c +++ b/drivers/infiniband/hw/mthca/mthca_av.c @@ -115,7 +115,7 @@ static u8 ib_rate_to_memfree(u8 req_rate, u8 cur_rate) switch ((cur_rate - 1) / req_rate) { case 0: return MTHCA_RATE_MEMFREE_FULL; case 1: return MTHCA_RATE_MEMFREE_HALF; - case 2: /* fall through */ + case 2: case 3: return MTHCA_RATE_MEMFREE_QUARTER; default: return MTHCA_RATE_MEMFREE_EIGHTH; } diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c index 6cdbec13756af5..c1751c9a0f625c 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c @@ -2134,7 +2134,7 @@ int ocrdma_post_send(struct ib_qp *ibqp, const struct ib_send_wr *wr, case IB_WR_SEND_WITH_IMM: hdr->cw |= (OCRDMA_FLAG_IMM << OCRDMA_WQE_FLAGS_SHIFT); hdr->immdt = ntohl(wr->ex.imm_data); - /* fall through */ + fallthrough; case IB_WR_SEND: hdr->cw |= (OCRDMA_SEND << OCRDMA_WQE_OPCODE_SHIFT); ocrdma_build_send(qp, hdr, wr); @@ -2148,7 +2148,7 @@ int ocrdma_post_send(struct ib_qp *ibqp, const struct ib_send_wr *wr, case IB_WR_RDMA_WRITE_WITH_IMM: hdr->cw |= (OCRDMA_FLAG_IMM << OCRDMA_WQE_FLAGS_SHIFT); hdr->immdt = ntohl(wr->ex.imm_data); - /* fall through */ + fallthrough; case IB_WR_RDMA_WRITE: hdr->cw |= (OCRDMA_WRITE << OCRDMA_WQE_OPCODE_SHIFT); status = ocrdma_build_write(qp, hdr, wr); diff --git a/drivers/infiniband/hw/qedr/verbs.c b/drivers/infiniband/hw/qedr/verbs.c index 4ce4e2eef6ccdb..b49bef94637e50 100644 --- a/drivers/infiniband/hw/qedr/verbs.c +++ b/drivers/infiniband/hw/qedr/verbs.c @@ -3528,7 +3528,7 @@ static int __qedr_post_send(struct ib_qp *ibqp, const struct ib_send_wr *wr, break; case IB_WR_RDMA_READ_WITH_INV: SET_FIELD2(wqe->flags, RDMA_SQ_RDMA_WQE_1ST_READ_INV_FLG, 1); - /* fallthrough -- same is identical to RDMA READ */ + fallthrough; /* same is identical to RDMA READ */ case IB_WR_RDMA_READ: wqe->req_type = RDMA_SQ_REQ_TYPE_RDMA_RD; diff --git a/drivers/infiniband/hw/qib/qib_iba6120.c b/drivers/infiniband/hw/qib/qib_iba6120.c index ca5ea734e3d046..44150be215bf22 100644 --- a/drivers/infiniband/hw/qib/qib_iba6120.c +++ b/drivers/infiniband/hw/qib/qib_iba6120.c @@ -2973,11 +2973,11 @@ static u32 qib_6120_iblink_state(u64 ibcs) state = IB_PORT_ARMED; break; case IB_6120_L_STATE_ACTIVE: - /* fall through */ case IB_6120_L_STATE_ACT_DEFER: state = IB_PORT_ACTIVE; break; - default: /* fall through */ + default: + fallthrough; case IB_6120_L_STATE_DOWN: state = IB_PORT_DOWN; break; diff --git a/drivers/infiniband/hw/qib/qib_iba7220.c b/drivers/infiniband/hw/qib/qib_iba7220.c index ea3ddb05cbadfe..0a6f26d4cb3100 100644 --- a/drivers/infiniband/hw/qib/qib_iba7220.c +++ b/drivers/infiniband/hw/qib/qib_iba7220.c @@ -3586,11 +3586,11 @@ static u32 qib_7220_iblink_state(u64 ibcs) state = IB_PORT_ARMED; break; case IB_7220_L_STATE_ACTIVE: - /* fall through */ case IB_7220_L_STATE_ACT_DEFER: state = IB_PORT_ACTIVE; break; - default: /* fall through */ + default: + fallthrough; case IB_7220_L_STATE_DOWN: state = IB_PORT_DOWN; break; diff --git a/drivers/infiniband/hw/qib/qib_iba7322.c b/drivers/infiniband/hw/qib/qib_iba7322.c index 8bcbc884e5b613..a10eab89aee499 100644 --- a/drivers/infiniband/hw/qib/qib_iba7322.c +++ b/drivers/infiniband/hw/qib/qib_iba7322.c @@ -5508,11 +5508,11 @@ static u32 qib_7322_iblink_state(u64 ibcs) state = IB_PORT_ARMED; break; case IB_7322_L_STATE_ACTIVE: - /* fall through */ case IB_7322_L_STATE_ACT_DEFER: state = IB_PORT_ACTIVE; break; - default: /* fall through */ + default: + fallthrough; case IB_7322_L_STATE_DOWN: state = IB_PORT_DOWN; break; @@ -6533,7 +6533,7 @@ static int qib_init_7322_variables(struct qib_devdata *dd) "Invalid num_vls %u, using 4 VLs\n", qib_num_cfg_vls); qib_num_cfg_vls = 4; - /* fall through */ + fallthrough; case 4: ppd->vls_supported = IB_VL_VL0_3; break; diff --git a/drivers/infiniband/hw/qib/qib_mad.c b/drivers/infiniband/hw/qib/qib_mad.c index 79bb83222e8d13..e7789e724f561c 100644 --- a/drivers/infiniband/hw/qib/qib_mad.c +++ b/drivers/infiniband/hw/qib/qib_mad.c @@ -433,7 +433,7 @@ static int check_mkey(struct qib_ibport *ibp, struct ib_smp *smp, int mad_flags) /* Bad mkey not a violation below level 2 */ if (ibp->rvp.mkeyprot < 2) break; - /* fall through */ + fallthrough; case IB_MGMT_METHOD_SET: case IB_MGMT_METHOD_TRAP_REPRESS: if (ibp->rvp.mkey_violations != 0xFFFF) @@ -828,7 +828,7 @@ static int subn_set_portinfo(struct ib_smp *smp, struct ib_device *ibdev, case IB_PORT_NOP: if (lstate == 0) break; - /* FALLTHROUGH */ + fallthrough; case IB_PORT_DOWN: if (lstate == 0) lstate = QIB_IB_LINKDOWN_ONLY; @@ -1928,7 +1928,7 @@ static int process_subn(struct ib_device *ibdev, int mad_flags, ret = IB_MAD_RESULT_SUCCESS; goto bail; } - /* FALLTHROUGH */ + fallthrough; default: smp->status |= IB_SMP_UNSUP_METH_ATTR; ret = reply(smp); @@ -1962,7 +1962,7 @@ static int process_subn(struct ib_device *ibdev, int mad_flags, ret = IB_MAD_RESULT_SUCCESS; goto bail; } - /* FALLTHROUGH */ + fallthrough; default: smp->status |= IB_SMP_UNSUP_METH_ATTR; ret = reply(smp); @@ -2322,7 +2322,7 @@ static int process_cc(struct ib_device *ibdev, int mad_flags, ret = cc_get_congestion_control_table(ccp, ibdev, port); goto bail; - /* FALLTHROUGH */ + fallthrough; default: ccp->status |= IB_SMP_UNSUP_METH_ATTR; ret = reply((struct ib_smp *) ccp); @@ -2339,7 +2339,7 @@ static int process_cc(struct ib_device *ibdev, int mad_flags, ret = cc_set_congestion_control_table(ccp, ibdev, port); goto bail; - /* FALLTHROUGH */ + fallthrough; default: ccp->status |= IB_SMP_UNSUP_METH_ATTR; ret = reply((struct ib_smp *) ccp); diff --git a/drivers/infiniband/hw/qib/qib_rc.c b/drivers/infiniband/hw/qib/qib_rc.c index aaf7438258fac8..3915e5b4a9bc10 100644 --- a/drivers/infiniband/hw/qib/qib_rc.c +++ b/drivers/infiniband/hw/qib/qib_rc.c @@ -83,7 +83,7 @@ static int qib_make_rc_ack(struct qib_ibdev *dev, struct rvt_qp *qp, rvt_put_mr(e->rdma_sge.mr); e->rdma_sge.mr = NULL; } - /* FALLTHROUGH */ + fallthrough; case OP(ATOMIC_ACKNOWLEDGE): /* * We can increment the tail pointer now that the last @@ -92,7 +92,7 @@ static int qib_make_rc_ack(struct qib_ibdev *dev, struct rvt_qp *qp, */ if (++qp->s_tail_ack_queue > QIB_MAX_RDMA_ATOMIC) qp->s_tail_ack_queue = 0; - /* FALLTHROUGH */ + fallthrough; case OP(SEND_ONLY): case OP(ACKNOWLEDGE): /* Check for no next entry in the queue. */ @@ -149,7 +149,7 @@ static int qib_make_rc_ack(struct qib_ibdev *dev, struct rvt_qp *qp, case OP(RDMA_READ_RESPONSE_FIRST): qp->s_ack_state = OP(RDMA_READ_RESPONSE_MIDDLE); - /* FALLTHROUGH */ + fallthrough; case OP(RDMA_READ_RESPONSE_MIDDLE): qp->s_cur_sge = &qp->s_ack_rdma_sge; qp->s_rdma_mr = qp->s_ack_rdma_sge.sge.mr; @@ -471,10 +471,10 @@ no_flow_control: * See qib_restart_rc(). */ qp->s_len = restart_sge(&qp->s_sge, wqe, qp->s_psn, pmtu); - /* FALLTHROUGH */ + fallthrough; case OP(SEND_FIRST): qp->s_state = OP(SEND_MIDDLE); - /* FALLTHROUGH */ + fallthrough; case OP(SEND_MIDDLE): bth2 = qp->s_psn++ & QIB_PSN_MASK; ss = &qp->s_sge; @@ -510,10 +510,10 @@ no_flow_control: * See qib_restart_rc(). */ qp->s_len = restart_sge(&qp->s_sge, wqe, qp->s_psn, pmtu); - /* FALLTHROUGH */ + fallthrough; case OP(RDMA_WRITE_FIRST): qp->s_state = OP(RDMA_WRITE_MIDDLE); - /* FALLTHROUGH */ + fallthrough; case OP(RDMA_WRITE_MIDDLE): bth2 = qp->s_psn++ & QIB_PSN_MASK; ss = &qp->s_sge; @@ -1807,7 +1807,7 @@ void qib_rc_rcv(struct qib_ctxtdata *rcd, struct ib_header *hdr, if (!ret) goto rnr_nak; qp->r_rcv_len = 0; - /* FALLTHROUGH */ + fallthrough; case OP(SEND_MIDDLE): case OP(RDMA_WRITE_MIDDLE): send_middle: @@ -1839,7 +1839,7 @@ send_middle: qp->r_rcv_len = 0; if (opcode == OP(SEND_ONLY)) goto no_immediate_data; - /* fall through -- for SEND_ONLY_WITH_IMMEDIATE */ + fallthrough; /* for SEND_ONLY_WITH_IMMEDIATE */ case OP(SEND_LAST_WITH_IMMEDIATE): send_last_imm: wc.ex.imm_data = ohdr->u.imm_data; diff --git a/drivers/infiniband/hw/qib/qib_sdma.c b/drivers/infiniband/hw/qib/qib_sdma.c index 99e11c347130e7..8f8d6173665682 100644 --- a/drivers/infiniband/hw/qib/qib_sdma.c +++ b/drivers/infiniband/hw/qib/qib_sdma.c @@ -763,7 +763,7 @@ void __qib_sdma_process_event(struct qib_pportdata *ppd, * bringing the link up with traffic active on * 7220, e.g. */ ss->go_s99_running = 1; - /* fall through -- and start dma engine */ + fallthrough; /* and start dma engine */ case qib_sdma_event_e10_go_hw_start: /* This reference means the state machine is started */ sdma_get(&ppd->sdma_state); diff --git a/drivers/infiniband/hw/qib/qib_uc.c b/drivers/infiniband/hw/qib/qib_uc.c index e17b91e2c22a91..554af4273a1312 100644 --- a/drivers/infiniband/hw/qib/qib_uc.c +++ b/drivers/infiniband/hw/qib/qib_uc.c @@ -161,7 +161,7 @@ int qib_make_uc_req(struct rvt_qp *qp, unsigned long *flags) case OP(SEND_FIRST): qp->s_state = OP(SEND_MIDDLE); - /* FALLTHROUGH */ + fallthrough; case OP(SEND_MIDDLE): len = qp->s_len; if (len > pmtu) { @@ -185,7 +185,7 @@ int qib_make_uc_req(struct rvt_qp *qp, unsigned long *flags) case OP(RDMA_WRITE_FIRST): qp->s_state = OP(RDMA_WRITE_MIDDLE); - /* FALLTHROUGH */ + fallthrough; case OP(RDMA_WRITE_MIDDLE): len = qp->s_len; if (len > pmtu) { @@ -351,7 +351,7 @@ send_first: goto no_immediate_data; else if (opcode == OP(SEND_ONLY_WITH_IMMEDIATE)) goto send_last_imm; - /* FALLTHROUGH */ + fallthrough; case OP(SEND_MIDDLE): /* Check for invalid length PMTU or posted rwqe len. */ if (unlikely(tlen != (hdrsize + pmtu + 4))) @@ -440,7 +440,7 @@ rdma_first: wc.ex.imm_data = ohdr->u.rc.imm_data; goto rdma_last_imm; } - /* FALLTHROUGH */ + fallthrough; case OP(RDMA_WRITE_MIDDLE): /* Check for invalid length PMTU or posted rwqe len. */ if (unlikely(tlen != (hdrsize + pmtu + 4))) diff --git a/drivers/infiniband/hw/qib/qib_verbs.c b/drivers/infiniband/hw/qib/qib_verbs.c index 7acf9ba5358a41..f6c01bad5a74f5 100644 --- a/drivers/infiniband/hw/qib/qib_verbs.c +++ b/drivers/infiniband/hw/qib/qib_verbs.c @@ -237,7 +237,7 @@ static void qib_qp_rcv(struct qib_ctxtdata *rcd, struct ib_header *hdr, case IB_QPT_GSI: if (ib_qib_disable_sma) break; - /* FALLTHROUGH */ + fallthrough; case IB_QPT_UD: qib_ud_rcv(ibp, hdr, has_grh, data, tlen, qp); break; diff --git a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_qp.c b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_qp.c index afcc2abcf55c06..9a8f2a9507be07 100644 --- a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_qp.c +++ b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_qp.c @@ -238,7 +238,7 @@ struct ib_qp *pvrdma_create_qp(struct ib_pd *pd, ret = -EINVAL; goto err_qp; } - /* fall through */ + fallthrough; case IB_QPT_RC: case IB_QPT_UD: qp = kzalloc(sizeof(*qp), GFP_KERNEL); diff --git a/drivers/infiniband/sw/rdmavt/qp.c b/drivers/infiniband/sw/rdmavt/qp.c index 332a8ba94b81b0..ee48befc897861 100644 --- a/drivers/infiniband/sw/rdmavt/qp.c +++ b/drivers/infiniband/sw/rdmavt/qp.c @@ -1111,7 +1111,7 @@ struct ib_qp *rvt_create_qp(struct ib_pd *ibpd, if (init_attr->port_num == 0 || init_attr->port_num > ibpd->device->phys_port_cnt) return ERR_PTR(-EINVAL); - /* fall through */ + fallthrough; case IB_QPT_UC: case IB_QPT_RC: case IB_QPT_UD: diff --git a/drivers/infiniband/sw/rxe/rxe.c b/drivers/infiniband/sw/rxe/rxe.c index 907203afbd9943..77f2c7cd1216c5 100644 --- a/drivers/infiniband/sw/rxe/rxe.c +++ b/drivers/infiniband/sw/rxe/rxe.c @@ -40,6 +40,8 @@ MODULE_AUTHOR("Bob Pearson, Frank Zago, John Groves, Kamal Heib"); MODULE_DESCRIPTION("Soft RDMA transport"); MODULE_LICENSE("Dual BSD/GPL"); +bool rxe_initialized; + /* free resources for a rxe device all objects created for this device must * have been destroyed */ @@ -315,6 +317,7 @@ static int __init rxe_module_init(void) return err; rdma_link_register(&rxe_link_ops); + rxe_initialized = true; pr_info("loaded\n"); return 0; } @@ -326,6 +329,7 @@ static void __exit rxe_module_exit(void) rxe_net_exit(); rxe_cache_exit(); + rxe_initialized = false; pr_info("unloaded\n"); } diff --git a/drivers/infiniband/sw/rxe/rxe.h b/drivers/infiniband/sw/rxe/rxe.h index fb07eed9e40283..cae1b0a24c850d 100644 --- a/drivers/infiniband/sw/rxe/rxe.h +++ b/drivers/infiniband/sw/rxe/rxe.h @@ -67,6 +67,8 @@ #define RXE_ROCE_V2_SPORT (0xc000) +extern bool rxe_initialized; + static inline u32 rxe_crc32(struct rxe_dev *rxe, u32 crc, void *next, size_t len) { diff --git a/drivers/infiniband/sw/rxe/rxe_comp.c b/drivers/infiniband/sw/rxe/rxe_comp.c index 4bc88708b35588..7b4df0028388cb 100644 --- a/drivers/infiniband/sw/rxe/rxe_comp.c +++ b/drivers/infiniband/sw/rxe/rxe_comp.c @@ -282,7 +282,7 @@ static inline enum comp_state check_ack(struct rxe_qp *qp, if ((syn & AETH_TYPE_MASK) != AETH_ACK) return COMPST_ERROR; - /* fall through */ + fallthrough; /* (IB_OPCODE_RC_RDMA_READ_RESPONSE_MIDDLE doesn't have an AETH) */ case IB_OPCODE_RC_RDMA_READ_RESPONSE_MIDDLE: diff --git a/drivers/infiniband/sw/rxe/rxe_mr.c b/drivers/infiniband/sw/rxe/rxe_mr.c index cdd811a45120f4..ce24144de16a96 100644 --- a/drivers/infiniband/sw/rxe/rxe_mr.c +++ b/drivers/infiniband/sw/rxe/rxe_mr.c @@ -205,6 +205,7 @@ int rxe_mem_init_user(struct rxe_pd *pd, u64 start, vaddr = page_address(sg_page_iter_page(&sg_iter)); if (!vaddr) { pr_warn("null vaddr\n"); + ib_umem_release(umem); err = -ENOMEM; goto err1; } diff --git a/drivers/infiniband/sw/rxe/rxe_sysfs.c b/drivers/infiniband/sw/rxe/rxe_sysfs.c index ccda5f5a3bc0aa..2af31d421bfc3a 100644 --- a/drivers/infiniband/sw/rxe/rxe_sysfs.c +++ b/drivers/infiniband/sw/rxe/rxe_sysfs.c @@ -61,6 +61,11 @@ static int rxe_param_set_add(const char *val, const struct kernel_param *kp) struct net_device *ndev; struct rxe_dev *exists; + if (!rxe_initialized) { + pr_err("Module parameters are not supported, use rdma link add or rxe_cfg\n"); + return -EAGAIN; + } + len = sanitize_arg(val, intf, sizeof(intf)); if (!len) { pr_err("add: invalid interface name\n"); diff --git a/drivers/infiniband/sw/rxe/rxe_task.c b/drivers/infiniband/sw/rxe/rxe_task.c index 08f05ac5f5d526..ecdac3f8fcc9f2 100644 --- a/drivers/infiniband/sw/rxe/rxe_task.c +++ b/drivers/infiniband/sw/rxe/rxe_task.c @@ -71,7 +71,7 @@ void rxe_do_task(unsigned long data) case TASK_STATE_BUSY: task->state = TASK_STATE_ARMED; - /* fall through */ + fallthrough; case TASK_STATE_ARMED: spin_unlock_irqrestore(&task->state_lock, flags); return; diff --git a/drivers/infiniband/sw/rxe/rxe_verbs.c b/drivers/infiniband/sw/rxe/rxe_verbs.c index bb61e534e46822..8522e9a3e9140b 100644 --- a/drivers/infiniband/sw/rxe/rxe_verbs.c +++ b/drivers/infiniband/sw/rxe/rxe_verbs.c @@ -540,7 +540,7 @@ static void init_send_wr(struct rxe_qp *qp, struct rxe_send_wr *wr, switch (wr->opcode) { case IB_WR_RDMA_WRITE_WITH_IMM: wr->ex.imm_data = ibwr->ex.imm_data; - /* fall through */ + fallthrough; case IB_WR_RDMA_READ: case IB_WR_RDMA_WRITE: wr->wr.rdma.remote_addr = rdma_wr(ibwr)->remote_addr; @@ -1056,7 +1056,7 @@ static ssize_t parent_show(struct device *device, struct rxe_dev *rxe = rdma_device_to_drv_device(device, struct rxe_dev, ib_dev); - return snprintf(buf, 16, "%s\n", rxe_parent_name(rxe, 1)); + return scnprintf(buf, PAGE_SIZE, "%s\n", rxe_parent_name(rxe, 1)); } static DEVICE_ATTR_RO(parent); diff --git a/drivers/infiniband/sw/siw/siw_cm.c b/drivers/infiniband/sw/siw/siw_cm.c index 1662216be66df2..66764f7ef072ad 100644 --- a/drivers/infiniband/sw/siw/siw_cm.c +++ b/drivers/infiniband/sw/siw/siw_cm.c @@ -1224,12 +1224,10 @@ static void siw_cm_llp_data_ready(struct sock *sk) switch (cep->state) { case SIW_EPSTATE_RDMA_MODE: - /* fall through */ case SIW_EPSTATE_LISTENING: break; case SIW_EPSTATE_AWAIT_MPAREQ: - /* fall through */ case SIW_EPSTATE_AWAIT_MPAREP: siw_cm_queue_work(cep, SIW_CM_WORK_READ_MPAHDR); break; diff --git a/drivers/infiniband/sw/siw/siw_qp_rx.c b/drivers/infiniband/sw/siw/siw_qp_rx.c index 857be5a7d0bddc..4bd1f1f84057bd 100644 --- a/drivers/infiniband/sw/siw/siw_qp_rx.c +++ b/drivers/infiniband/sw/siw/siw_qp_rx.c @@ -1215,7 +1215,7 @@ static int siw_rdmap_complete(struct siw_qp *qp, int error) case RDMAP_SEND_SE: case RDMAP_SEND_SE_INVAL: wqe->rqe.flags |= SIW_WQE_SOLICITED; - /* Fall through */ + fallthrough; case RDMAP_SEND: case RDMAP_SEND_INVAL: @@ -1386,7 +1386,7 @@ int siw_tcp_rx_data(read_descriptor_t *rd_desc, struct sk_buff *skb, * DDP segment. */ qp->rx_fpdu->first_ddp_seg = 0; - /* Fall through */ + fallthrough; case SIW_GET_DATA_START: /* diff --git a/drivers/infiniband/sw/siw/siw_qp_tx.c b/drivers/infiniband/sw/siw/siw_qp_tx.c index 9f53aa4feb8782..d19d8325588b5c 100644 --- a/drivers/infiniband/sw/siw/siw_qp_tx.c +++ b/drivers/infiniband/sw/siw/siw_qp_tx.c @@ -1042,7 +1042,7 @@ next_wqe: case SIW_OP_SEND_REMOTE_INV: case SIW_OP_WRITE: siw_wqe_put_mem(wqe, tx_type); - /* Fall through */ + fallthrough; case SIW_OP_INVAL_STAG: case SIW_OP_REG_MR: @@ -1128,7 +1128,7 @@ next_wqe: case SIW_OP_READ: case SIW_OP_READ_LOCAL_INV: siw_wqe_put_mem(wqe, tx_type); - /* Fall through */ + fallthrough; case SIW_OP_INVAL_STAG: case SIW_OP_REG_MR: diff --git a/drivers/infiniband/ulp/ipoib/ipoib_cm.c b/drivers/infiniband/ulp/ipoib/ipoib_cm.c index 9bf0fa30df28c9..7c41fb040f7c6f 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_cm.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_cm.c @@ -512,13 +512,13 @@ static int ipoib_cm_rx_handler(struct ib_cm_id *cm_id, return ipoib_cm_req_handler(cm_id, event); case IB_CM_DREQ_RECEIVED: ib_send_cm_drep(cm_id, NULL, 0); - /* Fall through */ + fallthrough; case IB_CM_REJ_RECEIVED: p = cm_id->context; priv = ipoib_priv(p->dev); if (ib_modify_qp(p->qp, &ipoib_cm_err_attr, IB_QP_STATE)) ipoib_warn(priv, "unable to move qp to error state\n"); - /* Fall through */ + fallthrough; default: return 0; } diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c index 752581a8627bd0..f772fe8c5b663f 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_main.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c @@ -342,9 +342,10 @@ struct ipoib_walk_data { struct net_device *result; }; -static int ipoib_upper_walk(struct net_device *upper, void *_data) +static int ipoib_upper_walk(struct net_device *upper, + struct netdev_nested_priv *priv) { - struct ipoib_walk_data *data = _data; + struct ipoib_walk_data *data = (struct ipoib_walk_data *)priv->data; int ret = 0; if (ipoib_is_dev_match_addr_rcu(data->addr, upper)) { @@ -368,10 +369,12 @@ static int ipoib_upper_walk(struct net_device *upper, void *_data) static struct net_device *ipoib_get_net_dev_match_addr( const struct sockaddr *addr, struct net_device *dev) { + struct netdev_nested_priv priv; struct ipoib_walk_data data = { .addr = addr, }; + priv.data = (void *)&data; rcu_read_lock(); if (ipoib_is_dev_match_addr_rcu(addr, dev)) { dev_hold(dev); @@ -379,7 +382,7 @@ static struct net_device *ipoib_get_net_dev_match_addr( goto out; } - netdev_walk_all_upper_dev_rcu(dev, ipoib_upper_walk, &data); + netdev_walk_all_upper_dev_rcu(dev, ipoib_upper_walk, &priv); out: rcu_read_unlock(); return data.result; @@ -502,7 +505,7 @@ static struct net_device *ipoib_get_net_dev_by_params( default: dev_warn_ratelimited(&dev->dev, "duplicate IP address detected\n"); - /* Fall through */ + fallthrough; case 1: return net_dev; } diff --git a/drivers/infiniband/ulp/iser/iser_verbs.c b/drivers/infiniband/ulp/iser/iser_verbs.c index 699e075ae1b366..2f3ebc0a75d924 100644 --- a/drivers/infiniband/ulp/iser/iser_verbs.c +++ b/drivers/infiniband/ulp/iser/iser_verbs.c @@ -711,7 +711,7 @@ static int iser_cma_handler(struct rdma_cm_id *cma_id, struct rdma_cm_event *eve case RDMA_CM_EVENT_REJECTED: iser_info("Connection rejected: %s\n", rdma_reject_msg(cma_id, event->status)); - /* FALLTHROUGH */ + fallthrough; case RDMA_CM_EVENT_ADDR_ERROR: case RDMA_CM_EVENT_ROUTE_ERROR: case RDMA_CM_EVENT_CONNECT_ERROR: diff --git a/drivers/infiniband/ulp/isert/ib_isert.c b/drivers/infiniband/ulp/isert/ib_isert.c index 61e2f7fc513d06..695f701dc43d90 100644 --- a/drivers/infiniband/ulp/isert/ib_isert.c +++ b/drivers/infiniband/ulp/isert/ib_isert.c @@ -140,15 +140,15 @@ isert_alloc_rx_descriptors(struct isert_conn *isert_conn) rx_desc = isert_conn->rx_descs; for (i = 0; i < ISERT_QP_MAX_RECV_DTOS; i++, rx_desc++) { - dma_addr = ib_dma_map_single(ib_dev, (void *)rx_desc, - ISER_RX_PAYLOAD_SIZE, DMA_FROM_DEVICE); + dma_addr = ib_dma_map_single(ib_dev, rx_desc->buf, + ISER_RX_SIZE, DMA_FROM_DEVICE); if (ib_dma_mapping_error(ib_dev, dma_addr)) goto dma_map_fail; rx_desc->dma_addr = dma_addr; rx_sg = &rx_desc->rx_sg; - rx_sg->addr = rx_desc->dma_addr; + rx_sg->addr = rx_desc->dma_addr + isert_get_hdr_offset(rx_desc); rx_sg->length = ISER_RX_PAYLOAD_SIZE; rx_sg->lkey = device->pd->local_dma_lkey; rx_desc->rx_cqe.done = isert_recv_done; @@ -160,7 +160,7 @@ dma_map_fail: rx_desc = isert_conn->rx_descs; for (j = 0; j < i; j++, rx_desc++) { ib_dma_unmap_single(ib_dev, rx_desc->dma_addr, - ISER_RX_PAYLOAD_SIZE, DMA_FROM_DEVICE); + ISER_RX_SIZE, DMA_FROM_DEVICE); } kfree(isert_conn->rx_descs); isert_conn->rx_descs = NULL; @@ -181,7 +181,7 @@ isert_free_rx_descriptors(struct isert_conn *isert_conn) rx_desc = isert_conn->rx_descs; for (i = 0; i < ISERT_QP_MAX_RECV_DTOS; i++, rx_desc++) { ib_dma_unmap_single(ib_dev, rx_desc->dma_addr, - ISER_RX_PAYLOAD_SIZE, DMA_FROM_DEVICE); + ISER_RX_SIZE, DMA_FROM_DEVICE); } kfree(isert_conn->rx_descs); @@ -299,10 +299,9 @@ isert_free_login_buf(struct isert_conn *isert_conn) ISER_RX_PAYLOAD_SIZE, DMA_TO_DEVICE); kfree(isert_conn->login_rsp_buf); - ib_dma_unmap_single(ib_dev, isert_conn->login_req_dma, - ISER_RX_PAYLOAD_SIZE, - DMA_FROM_DEVICE); - kfree(isert_conn->login_req_buf); + ib_dma_unmap_single(ib_dev, isert_conn->login_desc->dma_addr, + ISER_RX_SIZE, DMA_FROM_DEVICE); + kfree(isert_conn->login_desc); } static int @@ -311,25 +310,25 @@ isert_alloc_login_buf(struct isert_conn *isert_conn, { int ret; - isert_conn->login_req_buf = kzalloc(sizeof(*isert_conn->login_req_buf), + isert_conn->login_desc = kzalloc(sizeof(*isert_conn->login_desc), GFP_KERNEL); - if (!isert_conn->login_req_buf) + if (!isert_conn->login_desc) return -ENOMEM; - isert_conn->login_req_dma = ib_dma_map_single(ib_dev, - isert_conn->login_req_buf, - ISER_RX_PAYLOAD_SIZE, DMA_FROM_DEVICE); - ret = ib_dma_mapping_error(ib_dev, isert_conn->login_req_dma); + isert_conn->login_desc->dma_addr = ib_dma_map_single(ib_dev, + isert_conn->login_desc->buf, + ISER_RX_SIZE, DMA_FROM_DEVICE); + ret = ib_dma_mapping_error(ib_dev, isert_conn->login_desc->dma_addr); if (ret) { - isert_err("login_req_dma mapping error: %d\n", ret); - isert_conn->login_req_dma = 0; - goto out_free_login_req_buf; + isert_err("login_desc dma mapping error: %d\n", ret); + isert_conn->login_desc->dma_addr = 0; + goto out_free_login_desc; } isert_conn->login_rsp_buf = kzalloc(ISER_RX_PAYLOAD_SIZE, GFP_KERNEL); if (!isert_conn->login_rsp_buf) { ret = -ENOMEM; - goto out_unmap_login_req_buf; + goto out_unmap_login_desc; } isert_conn->login_rsp_dma = ib_dma_map_single(ib_dev, @@ -346,11 +345,11 @@ isert_alloc_login_buf(struct isert_conn *isert_conn, out_free_login_rsp_buf: kfree(isert_conn->login_rsp_buf); -out_unmap_login_req_buf: - ib_dma_unmap_single(ib_dev, isert_conn->login_req_dma, - ISER_RX_PAYLOAD_SIZE, DMA_FROM_DEVICE); -out_free_login_req_buf: - kfree(isert_conn->login_req_buf); +out_unmap_login_desc: + ib_dma_unmap_single(ib_dev, isert_conn->login_desc->dma_addr, + ISER_RX_SIZE, DMA_FROM_DEVICE); +out_free_login_desc: + kfree(isert_conn->login_desc); return ret; } @@ -476,7 +475,7 @@ isert_connect_release(struct isert_conn *isert_conn) if (isert_conn->qp) isert_destroy_qp(isert_conn); - if (isert_conn->login_req_buf) + if (isert_conn->login_desc) isert_free_login_buf(isert_conn); isert_device_put(device); @@ -664,8 +663,8 @@ isert_cma_handler(struct rdma_cm_id *cma_id, struct rdma_cm_event *event) case RDMA_CM_EVENT_ESTABLISHED: isert_connected_handler(cma_id); break; - case RDMA_CM_EVENT_ADDR_CHANGE: /* FALLTHRU */ - case RDMA_CM_EVENT_DISCONNECTED: /* FALLTHRU */ + case RDMA_CM_EVENT_ADDR_CHANGE: + case RDMA_CM_EVENT_DISCONNECTED: case RDMA_CM_EVENT_TIMEWAIT_EXIT: /* FALLTHRU */ ret = isert_disconnected_handler(cma_id, event->event); break; @@ -684,7 +683,7 @@ isert_cma_handler(struct rdma_cm_id *cma_id, struct rdma_cm_event *event) case RDMA_CM_EVENT_REJECTED: isert_info("Connection rejected: %s\n", rdma_reject_msg(cma_id, event->status)); - /* fall through */ + fallthrough; case RDMA_CM_EVENT_UNREACHABLE: case RDMA_CM_EVENT_CONNECT_ERROR: ret = isert_connect_error(cma_id); @@ -862,17 +861,18 @@ isert_login_post_recv(struct isert_conn *isert_conn) int ret; memset(&sge, 0, sizeof(struct ib_sge)); - sge.addr = isert_conn->login_req_dma; + sge.addr = isert_conn->login_desc->dma_addr + + isert_get_hdr_offset(isert_conn->login_desc); sge.length = ISER_RX_PAYLOAD_SIZE; sge.lkey = isert_conn->device->pd->local_dma_lkey; isert_dbg("Setup sge: addr: %llx length: %d 0x%08x\n", sge.addr, sge.length, sge.lkey); - isert_conn->login_req_buf->rx_cqe.done = isert_login_recv_done; + isert_conn->login_desc->rx_cqe.done = isert_login_recv_done; memset(&rx_wr, 0, sizeof(struct ib_recv_wr)); - rx_wr.wr_cqe = &isert_conn->login_req_buf->rx_cqe; + rx_wr.wr_cqe = &isert_conn->login_desc->rx_cqe; rx_wr.sg_list = &sge; rx_wr.num_sge = 1; @@ -949,7 +949,7 @@ post_send: static void isert_rx_login_req(struct isert_conn *isert_conn) { - struct iser_rx_desc *rx_desc = isert_conn->login_req_buf; + struct iser_rx_desc *rx_desc = isert_conn->login_desc; int rx_buflen = isert_conn->login_req_len; struct iscsi_conn *conn = isert_conn->conn; struct iscsi_login *login = conn->conn_login; @@ -961,7 +961,7 @@ isert_rx_login_req(struct isert_conn *isert_conn) if (login->first_request) { struct iscsi_login_req *login_req = - (struct iscsi_login_req *)&rx_desc->iscsi_header; + (struct iscsi_login_req *)isert_get_iscsi_hdr(rx_desc); /* * Setup the initial iscsi_login values from the leading * login request PDU. @@ -980,13 +980,13 @@ isert_rx_login_req(struct isert_conn *isert_conn) login->tsih = be16_to_cpu(login_req->tsih); } - memcpy(&login->req[0], (void *)&rx_desc->iscsi_header, ISCSI_HDR_LEN); + memcpy(&login->req[0], isert_get_iscsi_hdr(rx_desc), ISCSI_HDR_LEN); size = min(rx_buflen, MAX_KEY_VALUE_PAIRS); isert_dbg("Using login payload size: %d, rx_buflen: %d " "MAX_KEY_VALUE_PAIRS: %d\n", size, rx_buflen, MAX_KEY_VALUE_PAIRS); - memcpy(login->req_buf, &rx_desc->data[0], size); + memcpy(login->req_buf, isert_get_data(rx_desc), size); if (login->first_request) { complete(&isert_conn->login_comp); @@ -1051,14 +1051,15 @@ isert_handle_scsi_cmd(struct isert_conn *isert_conn, if (imm_data_len != data_len) { sg_nents = max(1UL, DIV_ROUND_UP(imm_data_len, PAGE_SIZE)); sg_copy_from_buffer(cmd->se_cmd.t_data_sg, sg_nents, - &rx_desc->data[0], imm_data_len); + isert_get_data(rx_desc), imm_data_len); isert_dbg("Copy Immediate sg_nents: %u imm_data_len: %d\n", sg_nents, imm_data_len); } else { sg_init_table(&isert_cmd->sg, 1); cmd->se_cmd.t_data_sg = &isert_cmd->sg; cmd->se_cmd.t_data_nents = 1; - sg_set_buf(&isert_cmd->sg, &rx_desc->data[0], imm_data_len); + sg_set_buf(&isert_cmd->sg, isert_get_data(rx_desc), + imm_data_len); isert_dbg("Transfer Immediate imm_data_len: %d\n", imm_data_len); } @@ -1127,9 +1128,9 @@ isert_handle_iscsi_dataout(struct isert_conn *isert_conn, } isert_dbg("Copying DataOut: sg_start: %p, sg_off: %u " "sg_nents: %u from %p %u\n", sg_start, sg_off, - sg_nents, &rx_desc->data[0], unsol_data_len); + sg_nents, isert_get_data(rx_desc), unsol_data_len); - sg_copy_from_buffer(sg_start, sg_nents, &rx_desc->data[0], + sg_copy_from_buffer(sg_start, sg_nents, isert_get_data(rx_desc), unsol_data_len); rc = iscsit_check_dataout_payload(cmd, hdr, false); @@ -1188,7 +1189,7 @@ isert_handle_text_cmd(struct isert_conn *isert_conn, struct isert_cmd *isert_cmd } cmd->text_in_ptr = text_in; - memcpy(cmd->text_in_ptr, &rx_desc->data[0], payload_length); + memcpy(cmd->text_in_ptr, isert_get_data(rx_desc), payload_length); return iscsit_process_text_cmd(conn, cmd, hdr); } @@ -1198,7 +1199,7 @@ isert_rx_opcode(struct isert_conn *isert_conn, struct iser_rx_desc *rx_desc, uint32_t read_stag, uint64_t read_va, uint32_t write_stag, uint64_t write_va) { - struct iscsi_hdr *hdr = &rx_desc->iscsi_header; + struct iscsi_hdr *hdr = isert_get_iscsi_hdr(rx_desc); struct iscsi_conn *conn = isert_conn->conn; struct iscsi_cmd *cmd; struct isert_cmd *isert_cmd; @@ -1296,8 +1297,8 @@ isert_recv_done(struct ib_cq *cq, struct ib_wc *wc) struct isert_conn *isert_conn = wc->qp->qp_context; struct ib_device *ib_dev = isert_conn->cm_id->device; struct iser_rx_desc *rx_desc = cqe_to_rx_desc(wc->wr_cqe); - struct iscsi_hdr *hdr = &rx_desc->iscsi_header; - struct iser_ctrl *iser_ctrl = &rx_desc->iser_header; + struct iscsi_hdr *hdr = isert_get_iscsi_hdr(rx_desc); + struct iser_ctrl *iser_ctrl = isert_get_iser_hdr(rx_desc); uint64_t read_va = 0, write_va = 0; uint32_t read_stag = 0, write_stag = 0; @@ -1311,7 +1312,7 @@ isert_recv_done(struct ib_cq *cq, struct ib_wc *wc) rx_desc->in_use = true; ib_dma_sync_single_for_cpu(ib_dev, rx_desc->dma_addr, - ISER_RX_PAYLOAD_SIZE, DMA_FROM_DEVICE); + ISER_RX_SIZE, DMA_FROM_DEVICE); isert_dbg("DMA: 0x%llx, iSCSI opcode: 0x%02x, ITT: 0x%08x, flags: 0x%02x dlen: %d\n", rx_desc->dma_addr, hdr->opcode, hdr->itt, hdr->flags, @@ -1346,7 +1347,7 @@ isert_recv_done(struct ib_cq *cq, struct ib_wc *wc) read_stag, read_va, write_stag, write_va); ib_dma_sync_single_for_device(ib_dev, rx_desc->dma_addr, - ISER_RX_PAYLOAD_SIZE, DMA_FROM_DEVICE); + ISER_RX_SIZE, DMA_FROM_DEVICE); } static void @@ -1360,8 +1361,8 @@ isert_login_recv_done(struct ib_cq *cq, struct ib_wc *wc) return; } - ib_dma_sync_single_for_cpu(ib_dev, isert_conn->login_req_dma, - ISER_RX_PAYLOAD_SIZE, DMA_FROM_DEVICE); + ib_dma_sync_single_for_cpu(ib_dev, isert_conn->login_desc->dma_addr, + ISER_RX_SIZE, DMA_FROM_DEVICE); isert_conn->login_req_len = wc->byte_len - ISER_HEADERS_LEN; @@ -1376,8 +1377,8 @@ isert_login_recv_done(struct ib_cq *cq, struct ib_wc *wc) complete(&isert_conn->login_req_comp); mutex_unlock(&isert_conn->mutex); - ib_dma_sync_single_for_device(ib_dev, isert_conn->login_req_dma, - ISER_RX_PAYLOAD_SIZE, DMA_FROM_DEVICE); + ib_dma_sync_single_for_device(ib_dev, isert_conn->login_desc->dma_addr, + ISER_RX_SIZE, DMA_FROM_DEVICE); } static void @@ -1470,7 +1471,7 @@ isert_put_cmd(struct isert_cmd *isert_cmd, bool comp_err) transport_generic_free_cmd(&cmd->se_cmd, 0); break; } - /* fall through */ + fallthrough; default: iscsit_release_cmd(cmd); break; @@ -1648,7 +1649,7 @@ isert_do_control_comp(struct work_struct *work) switch (cmd->i_state) { case ISTATE_SEND_TASKMGTRSP: iscsit_tmr_post_handler(cmd, cmd->conn); - /* fall through */ + fallthrough; case ISTATE_SEND_REJECT: case ISTATE_SEND_TEXTRSP: cmd->i_state = ISTATE_SENT_STATUS; diff --git a/drivers/infiniband/ulp/isert/ib_isert.h b/drivers/infiniband/ulp/isert/ib_isert.h index c55f7d9bfced60..7fee4a65e181ab 100644 --- a/drivers/infiniband/ulp/isert/ib_isert.h +++ b/drivers/infiniband/ulp/isert/ib_isert.h @@ -59,9 +59,11 @@ ISERT_MAX_TX_MISC_PDUS + \ ISERT_MAX_RX_MISC_PDUS) -#define ISER_RX_PAD_SIZE (ISCSI_DEF_MAX_RECV_SEG_LEN + 4096 - \ - (ISER_RX_PAYLOAD_SIZE + sizeof(u64) + sizeof(struct ib_sge) + \ - sizeof(struct ib_cqe) + sizeof(bool))) +/* + * RX size is default of 8k plus headers, but data needs to align to + * 512 boundary, so use 1024 to have the extra space for alignment. + */ +#define ISER_RX_SIZE (ISCSI_DEF_MAX_RECV_SEG_LEN + 1024) /* Maximum support is 16MB I/O size */ #define ISCSI_ISER_MAX_SG_TABLESIZE 4096 @@ -81,21 +83,41 @@ enum iser_conn_state { }; struct iser_rx_desc { - struct iser_ctrl iser_header; - struct iscsi_hdr iscsi_header; - char data[ISCSI_DEF_MAX_RECV_SEG_LEN]; + char buf[ISER_RX_SIZE]; u64 dma_addr; struct ib_sge rx_sg; struct ib_cqe rx_cqe; bool in_use; - char pad[ISER_RX_PAD_SIZE]; -} __packed; +}; static inline struct iser_rx_desc *cqe_to_rx_desc(struct ib_cqe *cqe) { return container_of(cqe, struct iser_rx_desc, rx_cqe); } +static void *isert_get_iser_hdr(struct iser_rx_desc *desc) +{ + return PTR_ALIGN(desc->buf + ISER_HEADERS_LEN, 512) - ISER_HEADERS_LEN; +} + +static size_t isert_get_hdr_offset(struct iser_rx_desc *desc) +{ + return isert_get_iser_hdr(desc) - (void *)desc->buf; +} + +static void *isert_get_iscsi_hdr(struct iser_rx_desc *desc) +{ + return isert_get_iser_hdr(desc) + sizeof(struct iser_ctrl); +} + +static void *isert_get_data(struct iser_rx_desc *desc) +{ + void *data = isert_get_iser_hdr(desc) + ISER_HEADERS_LEN; + + WARN_ON((uintptr_t)data & 511); + return data; +} + struct iser_tx_desc { struct iser_ctrl iser_header; struct iscsi_hdr iscsi_header; @@ -142,9 +164,8 @@ struct isert_conn { u32 responder_resources; u32 initiator_depth; bool pi_support; - struct iser_rx_desc *login_req_buf; + struct iser_rx_desc *login_desc; char *login_rsp_buf; - u64 login_req_dma; int login_req_len; u64 login_rsp_dma; struct iser_rx_desc *rx_descs; diff --git a/drivers/infiniband/ulp/opa_vnic/opa_vnic_vema.c b/drivers/infiniband/ulp/opa_vnic/opa_vnic_vema.c index 874a8eb7638c21..4933085a864a25 100644 --- a/drivers/infiniband/ulp/opa_vnic/opa_vnic_vema.c +++ b/drivers/infiniband/ulp/opa_vnic/opa_vnic_vema.c @@ -547,7 +547,6 @@ static void vema_get(struct opa_vnic_vema_port *port, vema_get_mac_entries(port, recvd_mad, rsp_mad); break; case OPA_EM_ATTR_IFACE_UCAST_MACS: - /* fall through */ case OPA_EM_ATTR_IFACE_MCAST_MACS: vema_get_mac_list(port, recvd_mad, rsp_mad, attr_id); break; diff --git a/drivers/infiniband/ulp/rtrs/rtrs-srv-sysfs.c b/drivers/infiniband/ulp/rtrs/rtrs-srv-sysfs.c index 3d7877534bcc9d..cf6a2be61695dc 100644 --- a/drivers/infiniband/ulp/rtrs/rtrs-srv-sysfs.c +++ b/drivers/infiniband/ulp/rtrs/rtrs-srv-sysfs.c @@ -152,13 +152,6 @@ static struct attribute_group rtrs_srv_stats_attr_group = { .attrs = rtrs_srv_stats_attrs, }; -static void rtrs_srv_dev_release(struct device *dev) -{ - struct rtrs_srv *srv = container_of(dev, struct rtrs_srv, dev); - - kfree(srv); -} - static int rtrs_srv_create_once_sysfs_root_folders(struct rtrs_srv_sess *sess) { struct rtrs_srv *srv = sess->srv; @@ -172,7 +165,6 @@ static int rtrs_srv_create_once_sysfs_root_folders(struct rtrs_srv_sess *sess) goto unlock; } srv->dev.class = rtrs_dev_class; - srv->dev.release = rtrs_srv_dev_release; err = dev_set_name(&srv->dev, "%s", sess->s.sessname); if (err) goto unlock; @@ -182,16 +174,16 @@ static int rtrs_srv_create_once_sysfs_root_folders(struct rtrs_srv_sess *sess) * sysfs files are created */ dev_set_uevent_suppress(&srv->dev, true); - err = device_register(&srv->dev); + err = device_add(&srv->dev); if (err) { - pr_err("device_register(): %d\n", err); + pr_err("device_add(): %d\n", err); goto put; } srv->kobj_paths = kobject_create_and_add("paths", &srv->dev.kobj); if (!srv->kobj_paths) { err = -ENOMEM; pr_err("kobject_create_and_add(): %d\n", err); - device_unregister(&srv->dev); + device_del(&srv->dev); goto unlock; } dev_set_uevent_suppress(&srv->dev, false); @@ -216,7 +208,7 @@ rtrs_srv_destroy_once_sysfs_root_folders(struct rtrs_srv_sess *sess) kobject_del(srv->kobj_paths); kobject_put(srv->kobj_paths); mutex_unlock(&srv->paths_mutex); - device_unregister(&srv->dev); + device_del(&srv->dev); } else { mutex_unlock(&srv->paths_mutex); } diff --git a/drivers/infiniband/ulp/rtrs/rtrs-srv.c b/drivers/infiniband/ulp/rtrs/rtrs-srv.c index a219bd1bdbc265..28f6414dfa3dc4 100644 --- a/drivers/infiniband/ulp/rtrs/rtrs-srv.c +++ b/drivers/infiniband/ulp/rtrs/rtrs-srv.c @@ -1319,6 +1319,13 @@ static int rtrs_srv_get_next_cq_vector(struct rtrs_srv_sess *sess) return sess->cur_cq_vector; } +static void rtrs_srv_dev_release(struct device *dev) +{ + struct rtrs_srv *srv = container_of(dev, struct rtrs_srv, dev); + + kfree(srv); +} + static struct rtrs_srv *__alloc_srv(struct rtrs_srv_ctx *ctx, const uuid_t *paths_uuid) { @@ -1336,6 +1343,8 @@ static struct rtrs_srv *__alloc_srv(struct rtrs_srv_ctx *ctx, uuid_copy(&srv->paths_uuid, paths_uuid); srv->queue_depth = sess_queue_depth; srv->ctx = ctx; + device_initialize(&srv->dev); + srv->dev.release = rtrs_srv_dev_release; srv->chunks = kcalloc(srv->queue_depth, sizeof(*srv->chunks), GFP_KERNEL); diff --git a/drivers/input/joystick/fsia6b.c b/drivers/input/joystick/fsia6b.c index e78c4c76899093..76ffdec5c183f1 100644 --- a/drivers/input/joystick/fsia6b.c +++ b/drivers/input/joystick/fsia6b.c @@ -102,12 +102,12 @@ static irqreturn_t fsia6b_serio_irq(struct serio *serio, input_report_key(fsia6b->dev, sw_id++, sw_state == 0); - /* fall-through */ + fallthrough; case '2': input_report_key(fsia6b->dev, sw_id++, sw_state == 1); - /* fall-through */ + fallthrough; case '1': input_report_key(fsia6b->dev, sw_id++, diff --git a/drivers/input/joystick/gamecon.c b/drivers/input/joystick/gamecon.c index 88df68cc4ac656..d37645e496ff17 100644 --- a/drivers/input/joystick/gamecon.c +++ b/drivers/input/joystick/gamecon.c @@ -885,7 +885,6 @@ static int gc_setup_pad(struct gc *gc, int idx, int pad_type) case GC_MULTI: input_set_capability(input_dev, EV_KEY, BTN_TRIGGER); - /* fall through */ break; case GC_PSX: diff --git a/drivers/input/mouse/trackpoint.c b/drivers/input/mouse/trackpoint.c index 3eefee2ee2a12a..ef2fa0905208d1 100644 --- a/drivers/input/mouse/trackpoint.c +++ b/drivers/input/mouse/trackpoint.c @@ -17,10 +17,12 @@ #include "trackpoint.h" static const char * const trackpoint_variants[] = { - [TP_VARIANT_IBM] = "IBM", - [TP_VARIANT_ALPS] = "ALPS", - [TP_VARIANT_ELAN] = "Elan", - [TP_VARIANT_NXP] = "NXP", + [TP_VARIANT_IBM] = "IBM", + [TP_VARIANT_ALPS] = "ALPS", + [TP_VARIANT_ELAN] = "Elan", + [TP_VARIANT_NXP] = "NXP", + [TP_VARIANT_JYT_SYNAPTICS] = "JYT_Synaptics", + [TP_VARIANT_SYNAPTICS] = "Synaptics", }; /* @@ -280,6 +282,8 @@ static int trackpoint_start_protocol(struct psmouse *psmouse, case TP_VARIANT_ALPS: case TP_VARIANT_ELAN: case TP_VARIANT_NXP: + case TP_VARIANT_JYT_SYNAPTICS: + case TP_VARIANT_SYNAPTICS: if (variant_id) *variant_id = param[0]; if (firmware_id) diff --git a/drivers/input/mouse/trackpoint.h b/drivers/input/mouse/trackpoint.h index 5cb93ed2608561..eb5412904fe075 100644 --- a/drivers/input/mouse/trackpoint.h +++ b/drivers/input/mouse/trackpoint.h @@ -24,10 +24,12 @@ * 0x01 was the original IBM trackpoint, others implement very limited * subset of trackpoint features. */ -#define TP_VARIANT_IBM 0x01 -#define TP_VARIANT_ALPS 0x02 -#define TP_VARIANT_ELAN 0x03 -#define TP_VARIANT_NXP 0x04 +#define TP_VARIANT_IBM 0x01 +#define TP_VARIANT_ALPS 0x02 +#define TP_VARIANT_ELAN 0x03 +#define TP_VARIANT_NXP 0x04 +#define TP_VARIANT_JYT_SYNAPTICS 0x05 +#define TP_VARIANT_SYNAPTICS 0x06 /* * Commands diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h index 7d7f737027264e..a4c9b9652560a9 100644 --- a/drivers/input/serio/i8042-x86ia64io.h +++ b/drivers/input/serio/i8042-x86ia64io.h @@ -548,6 +548,14 @@ static const struct dmi_system_id __initconst i8042_dmi_nomux_table[] = { DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5738"), }, }, + { + /* Entroware Proteus */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Entroware"), + DMI_MATCH(DMI_PRODUCT_NAME, "Proteus"), + DMI_MATCH(DMI_PRODUCT_VERSION, "EL07R4"), + }, + }, { } }; @@ -676,6 +684,14 @@ static const struct dmi_system_id __initconst i8042_dmi_reset_table[] = { DMI_MATCH(DMI_PRODUCT_NAME, "33474HU"), }, }, + { + /* Entroware Proteus */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Entroware"), + DMI_MATCH(DMI_PRODUCT_NAME, "Proteus"), + DMI_MATCH(DMI_PRODUCT_VERSION, "EL07R4"), + }, + }, { } }; @@ -705,6 +721,13 @@ static const struct dmi_system_id __initconst i8042_dmi_nopnp_table[] = { DMI_MATCH(DMI_BOARD_VENDOR, "MICRO-STAR INTERNATIONAL CO., LTD"), }, }, + { + /* Acer Aspire 5 A515 */ + .matches = { + DMI_MATCH(DMI_BOARD_NAME, "Grumpy_PK"), + DMI_MATCH(DMI_BOARD_VENDOR, "PK"), + }, + }, { } }; diff --git a/drivers/input/tablet/wacom_serial4.c b/drivers/input/tablet/wacom_serial4.c index 959c1d82aa662c..1cedb45ba49702 100644 --- a/drivers/input/tablet/wacom_serial4.c +++ b/drivers/input/tablet/wacom_serial4.c @@ -213,7 +213,7 @@ static void wacom_handle_model_response(struct wacom *wacom) case 0x3731: /* PL-710 */ wacom->res_x = 2540; wacom->res_y = 2540; - /* fall through */ + fallthrough; case 0x3535: /* PL-550 */ case 0x3830: /* PL-800 */ wacom->extra_z_bits = 2; diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c index 6b71b0aff1152f..98f17fa3a8926e 100644 --- a/drivers/input/touchscreen/atmel_mxt_ts.c +++ b/drivers/input/touchscreen/atmel_mxt_ts.c @@ -477,7 +477,7 @@ static int mxt_lookup_bootloader_address(struct mxt_data *data, bool retry) bootloader = appmode - 0x24; break; } - /* Fall through - for normal case */ + fallthrough; /* for normal case */ case 0x4c: case 0x4d: case 0x5a: diff --git a/drivers/input/touchscreen/wm831x-ts.c b/drivers/input/touchscreen/wm831x-ts.c index 607d1aeb595d7f..bb1699e0d3c782 100644 --- a/drivers/input/touchscreen/wm831x-ts.c +++ b/drivers/input/touchscreen/wm831x-ts.c @@ -290,7 +290,7 @@ static int wm831x_ts_probe(struct platform_device *pdev) default: dev_err(&pdev->dev, "Unsupported ISEL setting: %d\n", pdata->isel); - /* Fall through */ + fallthrough; case 200: case 0: wm831x_set_bits(wm831x, WM831X_TOUCH_CONTROL_2, diff --git a/drivers/interconnect/core.c b/drivers/interconnect/core.c index befd111049c0e3..cf07491b7415be 100644 --- a/drivers/interconnect/core.c +++ b/drivers/interconnect/core.c @@ -55,12 +55,18 @@ static int icc_summary_show(struct seq_file *s, void *data) icc_summary_show_one(s, n); hlist_for_each_entry(r, &n->req_list, req_node) { + u32 avg_bw = 0, peak_bw = 0; + if (!r->dev) continue; + if (r->enabled) { + avg_bw = r->avg_bw; + peak_bw = r->peak_bw; + } + seq_printf(s, " %-27s %12u %12u %12u\n", - dev_name(r->dev), r->tag, r->avg_bw, - r->peak_bw); + dev_name(r->dev), r->tag, avg_bw, peak_bw); } } } diff --git a/drivers/interconnect/qcom/bcm-voter.c b/drivers/interconnect/qcom/bcm-voter.c index a3d2ef1d990374..609db9c95fd7a1 100644 --- a/drivers/interconnect/qcom/bcm-voter.c +++ b/drivers/interconnect/qcom/bcm-voter.c @@ -52,8 +52,20 @@ static int cmp_vcd(void *priv, struct list_head *a, struct list_head *b) return 1; } +static u64 bcm_div(u64 num, u32 base) +{ + /* Ensure that small votes aren't lost. */ + if (num && num < base) + return 1; + + do_div(num, base); + + return num; +} + static void bcm_aggregate(struct qcom_icc_bcm *bcm) { + struct qcom_icc_node *node; size_t i, bucket; u64 agg_avg[QCOM_ICC_NUM_BUCKETS] = {0}; u64 agg_peak[QCOM_ICC_NUM_BUCKETS] = {0}; @@ -61,22 +73,21 @@ static void bcm_aggregate(struct qcom_icc_bcm *bcm) for (bucket = 0; bucket < QCOM_ICC_NUM_BUCKETS; bucket++) { for (i = 0; i < bcm->num_nodes; i++) { - temp = bcm->nodes[i]->sum_avg[bucket] * bcm->aux_data.width; - do_div(temp, bcm->nodes[i]->buswidth * bcm->nodes[i]->channels); + node = bcm->nodes[i]; + temp = bcm_div(node->sum_avg[bucket] * bcm->aux_data.width, + node->buswidth * node->channels); agg_avg[bucket] = max(agg_avg[bucket], temp); - temp = bcm->nodes[i]->max_peak[bucket] * bcm->aux_data.width; - do_div(temp, bcm->nodes[i]->buswidth); + temp = bcm_div(node->max_peak[bucket] * bcm->aux_data.width, + node->buswidth); agg_peak[bucket] = max(agg_peak[bucket], temp); } temp = agg_avg[bucket] * 1000ULL; - do_div(temp, bcm->aux_data.unit); - bcm->vote_x[bucket] = temp; + bcm->vote_x[bucket] = bcm_div(temp, bcm->aux_data.unit); temp = agg_peak[bucket] * 1000ULL; - do_div(temp, bcm->aux_data.unit); - bcm->vote_y[bucket] = temp; + bcm->vote_y[bucket] = bcm_div(temp, bcm->aux_data.unit); } if (bcm->keepalive && bcm->vote_x[QCOM_ICC_BUCKET_AMC] == 0 && diff --git a/drivers/iommu/amd/Kconfig b/drivers/iommu/amd/Kconfig index 1f061d91e0b849..626b97d0dd21a9 100644 --- a/drivers/iommu/amd/Kconfig +++ b/drivers/iommu/amd/Kconfig @@ -10,7 +10,7 @@ config AMD_IOMMU select IOMMU_API select IOMMU_IOVA select IOMMU_DMA - depends on X86_64 && PCI && ACPI + depends on X86_64 && PCI && ACPI && HAVE_CMPXCHG_DOUBLE help With this option you can enable support for AMD IOMMU hardware in your system. An IOMMU is a hardware component which provides diff --git a/drivers/iommu/amd/init.c b/drivers/iommu/amd/init.c index 958050c213f988..1ba6b4cc56e803 100644 --- a/drivers/iommu/amd/init.c +++ b/drivers/iommu/amd/init.c @@ -1104,25 +1104,6 @@ static int __init add_early_maps(void) } /* - * Reads the device exclusion range from ACPI and initializes the IOMMU with - * it - */ -static void __init set_device_exclusion_range(u16 devid, struct ivmd_header *m) -{ - if (!(m->flags & IVMD_FLAG_EXCL_RANGE)) - return; - - /* - * Treat per-device exclusion ranges as r/w unity-mapped regions - * since some buggy BIOSes might lead to the overwritten exclusion - * range (exclusion_start and exclusion_length members). This - * happens when there are multiple exclusion ranges (IVMD entries) - * defined in ACPI table. - */ - m->flags = (IVMD_FLAG_IW | IVMD_FLAG_IR | IVMD_FLAG_UNITY_MAP); -} - -/* * Takes a pointer to an AMD IOMMU entry in the ACPI table and * initializes the hardware and our data structures with it. */ @@ -1511,7 +1492,14 @@ static int __init init_iommu_one(struct amd_iommu *iommu, struct ivhd_header *h) iommu->mmio_phys_end = MMIO_REG_END_OFFSET; else iommu->mmio_phys_end = MMIO_CNTR_CONF_OFFSET; - if (((h->efr_attr & (0x1 << IOMMU_FEAT_GASUP_SHIFT)) == 0)) + + /* + * Note: GA (128-bit IRTE) mode requires cmpxchg16b supports. + * GAM also requires GA mode. Therefore, we need to + * check cmpxchg16b support before enabling it. + */ + if (!boot_cpu_has(X86_FEATURE_CX16) || + ((h->efr_attr & (0x1 << IOMMU_FEAT_GASUP_SHIFT)) == 0)) amd_iommu_guest_ir = AMD_IOMMU_GUEST_IR_LEGACY; break; case 0x11: @@ -1520,8 +1508,18 @@ static int __init init_iommu_one(struct amd_iommu *iommu, struct ivhd_header *h) iommu->mmio_phys_end = MMIO_REG_END_OFFSET; else iommu->mmio_phys_end = MMIO_CNTR_CONF_OFFSET; - if (((h->efr_reg & (0x1 << IOMMU_EFR_GASUP_SHIFT)) == 0)) + + /* + * Note: GA (128-bit IRTE) mode requires cmpxchg16b supports. + * XT, GAM also requires GA mode. Therefore, we need to + * check cmpxchg16b support before enabling them. + */ + if (!boot_cpu_has(X86_FEATURE_CX16) || + ((h->efr_reg & (0x1 << IOMMU_EFR_GASUP_SHIFT)) == 0)) { amd_iommu_guest_ir = AMD_IOMMU_GUEST_IR_LEGACY; + break; + } + /* * Note: Since iommu_update_intcapxt() leverages * the IOMMU MMIO access to MSI capability block registers @@ -2056,30 +2054,6 @@ static void __init free_unity_maps(void) } } -/* called when we find an exclusion range definition in ACPI */ -static int __init init_exclusion_range(struct ivmd_header *m) -{ - int i; - - switch (m->type) { - case ACPI_IVMD_TYPE: - set_device_exclusion_range(m->devid, m); - break; - case ACPI_IVMD_TYPE_ALL: - for (i = 0; i <= amd_iommu_last_bdf; ++i) - set_device_exclusion_range(i, m); - break; - case ACPI_IVMD_TYPE_RANGE: - for (i = m->devid; i <= m->aux; ++i) - set_device_exclusion_range(i, m); - break; - default: - break; - } - - return 0; -} - /* called for unity map ACPI definition */ static int __init init_unity_map_range(struct ivmd_header *m) { @@ -2090,9 +2064,6 @@ static int __init init_unity_map_range(struct ivmd_header *m) if (e == NULL) return -ENOMEM; - if (m->flags & IVMD_FLAG_EXCL_RANGE) - init_exclusion_range(m); - switch (m->type) { default: kfree(e); @@ -2116,6 +2087,16 @@ static int __init init_unity_map_range(struct ivmd_header *m) e->address_end = e->address_start + PAGE_ALIGN(m->range_length); e->prot = m->flags >> 1; + /* + * Treat per-device exclusion ranges as r/w unity-mapped regions + * since some buggy BIOSes might lead to the overwritten exclusion + * range (exclusion_start and exclusion_length members). This + * happens when there are multiple exclusion ranges (IVMD entries) + * defined in ACPI table. + */ + if (m->flags & IVMD_FLAG_EXCL_RANGE) + e->prot = (IVMD_FLAG_IW | IVMD_FLAG_IR) >> 1; + DUMP_printk("%s devid_start: %02x:%02x.%x devid_end: %02x:%02x.%x" " range_start: %016llx range_end: %016llx flags: %x\n", s, PCI_BUS_NUM(e->devid_start), PCI_SLOT(e->devid_start), @@ -2258,7 +2239,7 @@ static void iommu_enable_ga(struct amd_iommu *iommu) switch (amd_iommu_guest_ir) { case AMD_IOMMU_GUEST_IR_VAPIC: iommu_feature_enable(iommu, CONTROL_GAM_EN); - /* Fall through */ + fallthrough; case AMD_IOMMU_GUEST_IR_LEGACY_GA: iommu_feature_enable(iommu, CONTROL_GA_EN); iommu->irte_ops = &irte_128_ops; diff --git a/drivers/iommu/amd/iommu.c b/drivers/iommu/amd/iommu.c index ba9f3dbc5b9479..10e4200d355204 100644 --- a/drivers/iommu/amd/iommu.c +++ b/drivers/iommu/amd/iommu.c @@ -2659,7 +2659,12 @@ static int amd_iommu_def_domain_type(struct device *dev) if (!dev_data) return 0; - if (dev_data->iommu_v2) + /* + * Do not identity map IOMMUv2 capable devices when memory encryption is + * active, because some of those devices (AMD GPUs) don't have the + * encryption bit in their DMA-mask and require remapping. + */ + if (!mem_encrypt_active() && dev_data->iommu_v2) return IOMMU_DOMAIN_IDENTITY; return 0; @@ -3292,6 +3297,7 @@ out: static int modify_irte_ga(u16 devid, int index, struct irte_ga *irte, struct amd_ir_data *data) { + bool ret; struct irq_remap_table *table; struct amd_iommu *iommu; unsigned long flags; @@ -3309,10 +3315,18 @@ static int modify_irte_ga(u16 devid, int index, struct irte_ga *irte, entry = (struct irte_ga *)table->table; entry = &entry[index]; - entry->lo.fields_remap.valid = 0; - entry->hi.val = irte->hi.val; - entry->lo.val = irte->lo.val; - entry->lo.fields_remap.valid = 1; + + ret = cmpxchg_double(&entry->lo.val, &entry->hi.val, + entry->lo.val, entry->hi.val, + irte->lo.val, irte->hi.val); + /* + * We use cmpxchg16 to atomically update the 128-bit IRTE, + * and it cannot be updated by the hardware or other processors + * behind us, so the return value of cmpxchg16 should be the + * same as the old value. + */ + WARN_ON(!ret); + if (data) data->ref = entry; @@ -3826,14 +3840,18 @@ int amd_iommu_activate_guest_mode(void *data) { struct amd_ir_data *ir_data = (struct amd_ir_data *)data; struct irte_ga *entry = (struct irte_ga *) ir_data->entry; + u64 valid; if (!AMD_IOMMU_GUEST_IR_VAPIC(amd_iommu_guest_ir) || !entry || entry->lo.fields_vapic.guest_mode) return 0; + valid = entry->lo.fields_vapic.valid; + entry->lo.val = 0; entry->hi.val = 0; + entry->lo.fields_vapic.valid = valid; entry->lo.fields_vapic.guest_mode = 1; entry->lo.fields_vapic.ga_log_intr = 1; entry->hi.fields.ga_root_ptr = ir_data->ga_root_ptr; @@ -3850,14 +3868,18 @@ int amd_iommu_deactivate_guest_mode(void *data) struct amd_ir_data *ir_data = (struct amd_ir_data *)data; struct irte_ga *entry = (struct irte_ga *) ir_data->entry; struct irq_cfg *cfg = ir_data->cfg; + u64 valid; if (!AMD_IOMMU_GUEST_IR_VAPIC(amd_iommu_guest_ir) || !entry || !entry->lo.fields_vapic.guest_mode) return 0; + valid = entry->lo.fields_remap.valid; + entry->lo.val = 0; entry->hi.val = 0; + entry->lo.fields_remap.valid = valid; entry->lo.fields_remap.dm = apic->irq_dest_mode; entry->lo.fields_remap.int_type = apic->irq_delivery_mode; entry->hi.fields.vector = cfg->vector; diff --git a/drivers/iommu/amd/iommu_v2.c b/drivers/iommu/amd/iommu_v2.c index c259108ab6dd78..0d175aed1d92fb 100644 --- a/drivers/iommu/amd/iommu_v2.c +++ b/drivers/iommu/amd/iommu_v2.c @@ -737,6 +737,13 @@ int amd_iommu_init_device(struct pci_dev *pdev, int pasids) might_sleep(); + /* + * When memory encryption is active the device is likely not in a + * direct-mapped domain. Forbid using IOMMUv2 functionality for now. + */ + if (mem_encrypt_active()) + return -ENODEV; + if (!amd_iommu_v2_supported()) return -ENODEV; diff --git a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c index 7196207be7eab2..c192544e874b17 100644 --- a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c +++ b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c @@ -903,7 +903,7 @@ static int arm_smmu_cmdq_build_cmd(u64 *cmd, struct arm_smmu_cmdq_ent *ent) break; case CMDQ_OP_CFGI_CD: cmd[0] |= FIELD_PREP(CMDQ_CFGI_0_SSID, ent->cfgi.ssid); - /* Fallthrough */ + fallthrough; case CMDQ_OP_CFGI_STE: cmd[0] |= FIELD_PREP(CMDQ_CFGI_0_SID, ent->cfgi.sid); cmd[1] |= FIELD_PREP(CMDQ_CFGI_1_LEAF, ent->cfgi.leaf); @@ -936,7 +936,7 @@ static int arm_smmu_cmdq_build_cmd(u64 *cmd, struct arm_smmu_cmdq_ent *ent) break; case CMDQ_OP_TLBI_NH_ASID: cmd[0] |= FIELD_PREP(CMDQ_TLBI_0_ASID, ent->tlbi.asid); - /* Fallthrough */ + fallthrough; case CMDQ_OP_TLBI_S12_VMALL: cmd[0] |= FIELD_PREP(CMDQ_TLBI_0_VMID, ent->tlbi.vmid); break; @@ -1036,7 +1036,6 @@ static void arm_smmu_cmdq_skip_err(struct arm_smmu_device *smmu) */ return; case CMDQ_ERR_CERROR_ILL_IDX: - /* Fallthrough */ default: break; } @@ -3758,7 +3757,7 @@ static int arm_smmu_device_hw_probe(struct arm_smmu_device *smmu) switch (FIELD_GET(IDR0_STALL_MODEL, reg)) { case IDR0_STALL_MODEL_FORCE: smmu->features |= ARM_SMMU_FEAT_STALL_FORCE; - /* Fallthrough */ + fallthrough; case IDR0_STALL_MODEL_STALL: smmu->features |= ARM_SMMU_FEAT_STALLS; } @@ -3778,7 +3777,7 @@ static int arm_smmu_device_hw_probe(struct arm_smmu_device *smmu) switch (FIELD_GET(IDR0_TTF, reg)) { case IDR0_TTF_AARCH32_64: smmu->ias = 40; - /* Fallthrough */ + fallthrough; case IDR0_TTF_AARCH64: break; default: @@ -3875,7 +3874,7 @@ static int arm_smmu_device_hw_probe(struct arm_smmu_device *smmu) default: dev_info(smmu->dev, "unknown output address size. Truncating to 48-bit\n"); - /* Fallthrough */ + fallthrough; case IDR5_OAS_48_BIT: smmu->oas = 48; } diff --git a/drivers/iommu/exynos-iommu.c b/drivers/iommu/exynos-iommu.c index bad3c0ce10cb2f..de324b4eedfe9c 100644 --- a/drivers/iommu/exynos-iommu.c +++ b/drivers/iommu/exynos-iommu.c @@ -1295,13 +1295,17 @@ static int exynos_iommu_of_xlate(struct device *dev, return -ENODEV; data = platform_get_drvdata(sysmmu); - if (!data) + if (!data) { + put_device(&sysmmu->dev); return -ENODEV; + } if (!owner) { owner = kzalloc(sizeof(*owner), GFP_KERNEL); - if (!owner) + if (!owner) { + put_device(&sysmmu->dev); return -ENOMEM; + } INIT_LIST_HEAD(&owner->controllers); mutex_init(&owner->rpm_lock); diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c index e9864e52b0e96a..2239c211178b66 100644 --- a/drivers/iommu/intel/iommu.c +++ b/drivers/iommu/intel/iommu.c @@ -123,29 +123,29 @@ static inline unsigned int level_to_offset_bits(int level) return (level - 1) * LEVEL_STRIDE; } -static inline int pfn_level_offset(unsigned long pfn, int level) +static inline int pfn_level_offset(u64 pfn, int level) { return (pfn >> level_to_offset_bits(level)) & LEVEL_MASK; } -static inline unsigned long level_mask(int level) +static inline u64 level_mask(int level) { - return -1UL << level_to_offset_bits(level); + return -1ULL << level_to_offset_bits(level); } -static inline unsigned long level_size(int level) +static inline u64 level_size(int level) { - return 1UL << level_to_offset_bits(level); + return 1ULL << level_to_offset_bits(level); } -static inline unsigned long align_to_level(unsigned long pfn, int level) +static inline u64 align_to_level(u64 pfn, int level) { return (pfn + level_size(level) - 1) & level_mask(level); } static inline unsigned long lvl_to_nr_pages(unsigned int lvl) { - return 1 << min_t(int, (lvl - 1) * LEVEL_STRIDE, MAX_AGAW_PFN_WIDTH); + return 1UL << min_t(int, (lvl - 1) * LEVEL_STRIDE, MAX_AGAW_PFN_WIDTH); } /* VT-d pages must always be _smaller_ than MM pages. Otherwise things @@ -364,7 +364,6 @@ static int iommu_skip_te_disable; int intel_iommu_gfx_mapped; EXPORT_SYMBOL_GPL(intel_iommu_gfx_mapped); -#define DUMMY_DEVICE_DOMAIN_INFO ((struct device_domain_info *)(-1)) #define DEFER_DEVICE_DOMAIN_INFO ((struct device_domain_info *)(-2)) struct device_domain_info *get_domain_info(struct device *dev) { @@ -374,8 +373,7 @@ struct device_domain_info *get_domain_info(struct device *dev) return NULL; info = dev_iommu_priv_get(dev); - if (unlikely(info == DUMMY_DEVICE_DOMAIN_INFO || - info == DEFER_DEVICE_DOMAIN_INFO)) + if (unlikely(info == DEFER_DEVICE_DOMAIN_INFO)) return NULL; return info; @@ -742,11 +740,6 @@ struct context_entry *iommu_context_addr(struct intel_iommu *iommu, u8 bus, return &context[devfn]; } -static int iommu_dummy(struct device *dev) -{ - return dev_iommu_priv_get(dev) == DUMMY_DEVICE_DOMAIN_INFO; -} - static bool attach_deferred(struct device *dev) { return dev_iommu_priv_get(dev) == DEFER_DEVICE_DOMAIN_INFO; @@ -779,6 +772,53 @@ is_downstream_to_pci_bridge(struct device *dev, struct device *bridge) return false; } +static bool quirk_ioat_snb_local_iommu(struct pci_dev *pdev) +{ + struct dmar_drhd_unit *drhd; + u32 vtbar; + int rc; + + /* We know that this device on this chipset has its own IOMMU. + * If we find it under a different IOMMU, then the BIOS is lying + * to us. Hope that the IOMMU for this device is actually + * disabled, and it needs no translation... + */ + rc = pci_bus_read_config_dword(pdev->bus, PCI_DEVFN(0, 0), 0xb0, &vtbar); + if (rc) { + /* "can't" happen */ + dev_info(&pdev->dev, "failed to run vt-d quirk\n"); + return false; + } + vtbar &= 0xffff0000; + + /* we know that the this iommu should be at offset 0xa000 from vtbar */ + drhd = dmar_find_matched_drhd_unit(pdev); + if (!drhd || drhd->reg_base_addr - vtbar != 0xa000) { + pr_warn_once(FW_BUG "BIOS assigned incorrect VT-d unit for Intel(R) QuickData Technology device\n"); + add_taint(TAINT_FIRMWARE_WORKAROUND, LOCKDEP_STILL_OK); + return true; + } + + return false; +} + +static bool iommu_is_dummy(struct intel_iommu *iommu, struct device *dev) +{ + if (!iommu || iommu->drhd->ignored) + return true; + + if (dev_is_pci(dev)) { + struct pci_dev *pdev = to_pci_dev(dev); + + if (pdev->vendor == PCI_VENDOR_ID_INTEL && + pdev->device == PCI_DEVICE_ID_INTEL_IOAT_SNB && + quirk_ioat_snb_local_iommu(pdev)) + return true; + } + + return false; +} + struct intel_iommu *device_to_iommu(struct device *dev, u8 *bus, u8 *devfn) { struct dmar_drhd_unit *drhd = NULL; @@ -788,7 +828,7 @@ struct intel_iommu *device_to_iommu(struct device *dev, u8 *bus, u8 *devfn) u16 segment = 0; int i; - if (!dev || iommu_dummy(dev)) + if (!dev) return NULL; if (dev_is_pci(dev)) { @@ -805,7 +845,7 @@ struct intel_iommu *device_to_iommu(struct device *dev, u8 *bus, u8 *devfn) dev = &ACPI_COMPANION(dev)->dev; rcu_read_lock(); - for_each_active_iommu(iommu, drhd) { + for_each_iommu(iommu, drhd) { if (pdev && segment != drhd->segment) continue; @@ -841,6 +881,9 @@ struct intel_iommu *device_to_iommu(struct device *dev, u8 *bus, u8 *devfn) } iommu = NULL; out: + if (iommu_is_dummy(iommu, dev)) + iommu = NULL; + rcu_read_unlock(); return iommu; @@ -2447,7 +2490,7 @@ struct dmar_domain *find_domain(struct device *dev) { struct device_domain_info *info; - if (unlikely(attach_deferred(dev) || iommu_dummy(dev))) + if (unlikely(attach_deferred(dev))) return NULL; /* No lock here, assumes no domain exit in normal case */ @@ -2621,7 +2664,7 @@ static struct dmar_domain *dmar_insert_one_dev_info(struct intel_iommu *iommu, } /* Setup the PASID entry for requests without PASID: */ - spin_lock(&iommu->lock); + spin_lock_irqsave(&iommu->lock, flags); if (hw_pass_through && domain_type_is_si(domain)) ret = intel_pasid_setup_pass_through(iommu, domain, dev, PASID_RID2PASID); @@ -2631,7 +2674,7 @@ static struct dmar_domain *dmar_insert_one_dev_info(struct intel_iommu *iommu, else ret = intel_pasid_setup_second_level(iommu, domain, dev, PASID_RID2PASID); - spin_unlock(&iommu->lock); + spin_unlock_irqrestore(&iommu->lock, flags); if (ret) { dev_err(dev, "Setup RID2PASID failed\n"); dmar_remove_one_dev_info(dev); @@ -3989,35 +4032,6 @@ static void __init iommu_exit_mempool(void) iova_cache_put(); } -static void quirk_ioat_snb_local_iommu(struct pci_dev *pdev) -{ - struct dmar_drhd_unit *drhd; - u32 vtbar; - int rc; - - /* We know that this device on this chipset has its own IOMMU. - * If we find it under a different IOMMU, then the BIOS is lying - * to us. Hope that the IOMMU for this device is actually - * disabled, and it needs no translation... - */ - rc = pci_bus_read_config_dword(pdev->bus, PCI_DEVFN(0, 0), 0xb0, &vtbar); - if (rc) { - /* "can't" happen */ - dev_info(&pdev->dev, "failed to run vt-d quirk\n"); - return; - } - vtbar &= 0xffff0000; - - /* we know that the this iommu should be at offset 0xa000 from vtbar */ - drhd = dmar_find_matched_drhd_unit(pdev); - if (!drhd || drhd->reg_base_addr - vtbar != 0xa000) { - pr_warn_once(FW_BUG "BIOS assigned incorrect VT-d unit for Intel(R) QuickData Technology device\n"); - add_taint(TAINT_FIRMWARE_WORKAROUND, LOCKDEP_STILL_OK); - dev_iommu_priv_set(&pdev->dev, DUMMY_DEVICE_DOMAIN_INFO); - } -} -DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_IOAT_SNB, quirk_ioat_snb_local_iommu); - static void __init init_no_remapping_devices(void) { struct dmar_drhd_unit *drhd; @@ -4049,12 +4063,8 @@ static void __init init_no_remapping_devices(void) /* This IOMMU has *only* gfx devices. Either bypass it or set the gfx_mapped flag, as appropriate */ drhd->gfx_dedicated = 1; - if (!dmar_map_gfx) { + if (!dmar_map_gfx) drhd->ignored = 1; - for_each_active_dev_scope(drhd->devices, - drhd->devices_cnt, i, dev) - dev_iommu_priv_set(dev, DUMMY_DEVICE_DOMAIN_INFO); - } } } @@ -5070,7 +5080,6 @@ static struct iommu_domain *intel_iommu_domain_alloc(unsigned type) switch (type) { case IOMMU_DOMAIN_DMA: - /* fallthrough */ case IOMMU_DOMAIN_UNMANAGED: dmar_domain = alloc_domain(0); if (!dmar_domain) { diff --git a/drivers/iommu/intel/irq_remapping.c b/drivers/iommu/intel/irq_remapping.c index 23583b0e66a5e1..8f4ce72570ce34 100644 --- a/drivers/iommu/intel/irq_remapping.c +++ b/drivers/iommu/intel/irq_remapping.c @@ -508,12 +508,18 @@ static void iommu_enable_irq_remapping(struct intel_iommu *iommu) /* Enable interrupt-remapping */ iommu->gcmd |= DMA_GCMD_IRE; - iommu->gcmd &= ~DMA_GCMD_CFI; /* Block compatibility-format MSIs */ writel(iommu->gcmd, iommu->reg + DMAR_GCMD_REG); - IOMMU_WAIT_OP(iommu, DMAR_GSTS_REG, readl, (sts & DMA_GSTS_IRES), sts); + /* Block compatibility-format MSIs */ + if (sts & DMA_GSTS_CFIS) { + iommu->gcmd &= ~DMA_GCMD_CFI; + writel(iommu->gcmd, iommu->reg + DMAR_GCMD_REG); + IOMMU_WAIT_OP(iommu, DMAR_GSTS_REG, + readl, !(sts & DMA_GSTS_CFIS), sts); + } + /* * With CFI clear in the Global Command register, we should be * protected from dangerous (i.e. compatibility) interrupts diff --git a/drivers/iommu/virtio-iommu.c b/drivers/iommu/virtio-iommu.c index b4da396cce6040..2bfdd573484432 100644 --- a/drivers/iommu/virtio-iommu.c +++ b/drivers/iommu/virtio-iommu.c @@ -440,7 +440,7 @@ static int viommu_add_resv_mem(struct viommu_endpoint *vdev, default: dev_warn(vdev->dev, "unknown resv mem subtype 0x%x\n", mem->subtype); - /* Fall-through */ + fallthrough; case VIRTIO_IOMMU_RESV_MEM_T_RESERVED: region = iommu_alloc_resv_region(start, size, 0, IOMMU_RESV_RESERVED); diff --git a/drivers/irqchip/Kconfig b/drivers/irqchip/Kconfig index bb70b7177f94e7..bfc9719dbcdc31 100644 --- a/drivers/irqchip/Kconfig +++ b/drivers/irqchip/Kconfig @@ -425,7 +425,7 @@ config GOLDFISH_PIC for Goldfish based virtual platforms. config QCOM_PDC - tristate "QCOM PDC" + bool "QCOM PDC" depends on ARCH_QCOM select IRQ_DOMAIN_HIERARCHY help diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c index 95f097448f9719..548de7538632a0 100644 --- a/drivers/irqchip/irq-gic-v3-its.c +++ b/drivers/irqchip/irq-gic-v3-its.c @@ -2737,7 +2737,7 @@ static bool allocate_vpe_l2_table(int cpu, u32 id) switch (gpsz) { default: WARN_ON(1); - /* fall through */ + fallthrough; case GIC_PAGE_SIZE_4K: psz = SZ_4K; break; @@ -2832,7 +2832,7 @@ static int allocate_vpe_l1_table(void) switch (gpsz) { default: gpsz = GIC_PAGE_SIZE_4K; - /* fall through */ + fallthrough; case GIC_PAGE_SIZE_4K: psz = SZ_4K; break; diff --git a/drivers/irqchip/irq-gic-v3.c b/drivers/irqchip/irq-gic-v3.c index 324f280ff60661..850842f27beeec 100644 --- a/drivers/irqchip/irq-gic-v3.c +++ b/drivers/irqchip/irq-gic-v3.c @@ -965,10 +965,10 @@ static void gic_cpu_sys_reg_init(void) case 7: write_gicreg(0, ICC_AP0R3_EL1); write_gicreg(0, ICC_AP0R2_EL1); - /* Fall through */ + fallthrough; case 6: write_gicreg(0, ICC_AP0R1_EL1); - /* Fall through */ + fallthrough; case 5: case 4: write_gicreg(0, ICC_AP0R0_EL1); @@ -982,10 +982,10 @@ static void gic_cpu_sys_reg_init(void) case 7: write_gicreg(0, ICC_AP1R3_EL1); write_gicreg(0, ICC_AP1R2_EL1); - /* Fall through */ + fallthrough; case 6: write_gicreg(0, ICC_AP1R1_EL1); - /* Fall through */ + fallthrough; case 5: case 4: write_gicreg(0, ICC_AP1R0_EL1); diff --git a/drivers/irqchip/irq-imx-gpcv2.c b/drivers/irqchip/irq-imx-gpcv2.c index 4f74c15c475557..7031ef44de4f30 100644 --- a/drivers/irqchip/irq-imx-gpcv2.c +++ b/drivers/irqchip/irq-imx-gpcv2.c @@ -259,7 +259,7 @@ static int __init imx_gpcv2_irqchip_init(struct device_node *node, case 4: writel_relaxed(~0, reg + GPC_IMR1_CORE2); writel_relaxed(~0, reg + GPC_IMR1_CORE3); - /* fall through */ + fallthrough; case 2: writel_relaxed(~0, reg + GPC_IMR1_CORE0); writel_relaxed(~0, reg + GPC_IMR1_CORE1); diff --git a/drivers/irqchip/irq-ingenic.c b/drivers/irqchip/irq-ingenic.c index 9f3da4260ca658..b61a8901ef7221 100644 --- a/drivers/irqchip/irq-ingenic.c +++ b/drivers/irqchip/irq-ingenic.c @@ -125,7 +125,7 @@ static int __init ingenic_intc_of_init(struct device_node *node, irq_reg_writel(gc, IRQ_MSK(32), JZ_REG_INTC_SET_MASK); } - if (request_irq(parent_irq, intc_cascade, 0, + if (request_irq(parent_irq, intc_cascade, IRQF_NO_SUSPEND, "SoC intc cascade interrupt", NULL)) pr_err("Failed to register SoC intc cascade interrupt\n"); return 0; diff --git a/drivers/irqchip/irq-mips-gic.c b/drivers/irqchip/irq-mips-gic.c index aacfa012c082fb..215885962bb0ab 100644 --- a/drivers/irqchip/irq-mips-gic.c +++ b/drivers/irqchip/irq-mips-gic.c @@ -480,7 +480,7 @@ static int gic_irq_domain_map(struct irq_domain *d, unsigned int virq, case GIC_LOCAL_INT_TIMER: /* CONFIG_MIPS_CMP workaround (see __gic_init) */ map = GIC_MAP_PIN_MAP_TO_PIN | timer_cpu_pin; - /* fall-through */ + fallthrough; case GIC_LOCAL_INT_PERFCTR: case GIC_LOCAL_INT_FDC: /* diff --git a/drivers/irqchip/irq-mtk-cirq.c b/drivers/irqchip/irq-mtk-cirq.c index 62a61275aaa315..69ba8ce3c17856 100644 --- a/drivers/irqchip/irq-mtk-cirq.c +++ b/drivers/irqchip/irq-mtk-cirq.c @@ -295,6 +295,4 @@ out_free: return ret; } -IRQCHIP_PLATFORM_DRIVER_BEGIN(mtk_cirq) -IRQCHIP_MATCH("mediatek,mtk-cirq", mtk_cirq_of_init) -IRQCHIP_PLATFORM_DRIVER_END(mtk_cirq) +IRQCHIP_DECLARE(mtk_cirq, "mediatek,mtk-cirq", mtk_cirq_of_init); diff --git a/drivers/irqchip/irq-mtk-sysirq.c b/drivers/irqchip/irq-mtk-sysirq.c index 7299c5ab4d1078..6ff98b87e5c043 100644 --- a/drivers/irqchip/irq-mtk-sysirq.c +++ b/drivers/irqchip/irq-mtk-sysirq.c @@ -231,6 +231,4 @@ out_free_chip: kfree(chip_data); return ret; } -IRQCHIP_PLATFORM_DRIVER_BEGIN(mtk_sysirq) -IRQCHIP_MATCH("mediatek,mt6577-sysirq", mtk_sysirq_of_init) -IRQCHIP_PLATFORM_DRIVER_END(mtk_sysirq) +IRQCHIP_DECLARE(mtk_sysirq, "mediatek,mt6577-sysirq", mtk_sysirq_of_init); diff --git a/drivers/irqchip/irq-stm32-exti.c b/drivers/irqchip/irq-stm32-exti.c index 03a36be757d811..0c2c61db26b45d 100644 --- a/drivers/irqchip/irq-stm32-exti.c +++ b/drivers/irqchip/irq-stm32-exti.c @@ -416,6 +416,16 @@ static void stm32_irq_ack(struct irq_data *d) irq_gc_unlock(gc); } +/* directly set the target bit without reading first. */ +static inline void stm32_exti_write_bit(struct irq_data *d, u32 reg) +{ + struct stm32_exti_chip_data *chip_data = irq_data_get_irq_chip_data(d); + void __iomem *base = chip_data->host_data->base; + u32 val = BIT(d->hwirq % IRQS_PER_BANK); + + writel_relaxed(val, base + reg); +} + static inline u32 stm32_exti_set_bit(struct irq_data *d, u32 reg) { struct stm32_exti_chip_data *chip_data = irq_data_get_irq_chip_data(d); @@ -449,9 +459,9 @@ static void stm32_exti_h_eoi(struct irq_data *d) raw_spin_lock(&chip_data->rlock); - stm32_exti_set_bit(d, stm32_bank->rpr_ofst); + stm32_exti_write_bit(d, stm32_bank->rpr_ofst); if (stm32_bank->fpr_ofst != UNDEF_REG) - stm32_exti_set_bit(d, stm32_bank->fpr_ofst); + stm32_exti_write_bit(d, stm32_bank->fpr_ofst); raw_spin_unlock(&chip_data->rlock); diff --git a/drivers/irqchip/irq-ti-sci-inta.c b/drivers/irqchip/irq-ti-sci-inta.c index b7cc5d6580d8fc..d4e97605456bba 100644 --- a/drivers/irqchip/irq-ti-sci-inta.c +++ b/drivers/irqchip/irq-ti-sci-inta.c @@ -8,6 +8,7 @@ #include <linux/err.h> #include <linux/io.h> +#include <linux/irq.h> #include <linux/irqchip.h> #include <linux/irqdomain.h> #include <linux/interrupt.h> @@ -83,6 +84,7 @@ struct ti_sci_inta_vint_desc { * @vint_mutex: Mutex to protect vint_list * @base: Base address of the memory mapped IO registers * @pdev: Pointer to platform device. + * @ti_sci_id: TI-SCI device identifier */ struct ti_sci_inta_irq_domain { const struct ti_sci_handle *sci; @@ -93,6 +95,7 @@ struct ti_sci_inta_irq_domain { struct mutex vint_mutex; void __iomem *base; struct platform_device *pdev; + u32 ti_sci_id; }; #define to_vint_desc(e, i) container_of(e, struct ti_sci_inta_vint_desc, \ @@ -129,6 +132,37 @@ static void ti_sci_inta_irq_handler(struct irq_desc *desc) } /** + * ti_sci_inta_xlate_irq() - Translate hwirq to parent's hwirq. + * @inta: IRQ domain corresponding to Interrupt Aggregator + * @irq: Hardware irq corresponding to the above irq domain + * + * Return parent irq number if translation is available else -ENOENT. + */ +static int ti_sci_inta_xlate_irq(struct ti_sci_inta_irq_domain *inta, + u16 vint_id) +{ + struct device_node *np = dev_of_node(&inta->pdev->dev); + u32 base, parent_base, size; + const __be32 *range; + int len; + + range = of_get_property(np, "ti,interrupt-ranges", &len); + if (!range) + return vint_id; + + for (len /= sizeof(*range); len >= 3; len -= 3) { + base = be32_to_cpu(*range++); + parent_base = be32_to_cpu(*range++); + size = be32_to_cpu(*range++); + + if (base <= vint_id && vint_id < base + size) + return vint_id - base + parent_base; + } + + return -ENOENT; +} + +/** * ti_sci_inta_alloc_parent_irq() - Allocate parent irq to Interrupt aggregator * @domain: IRQ domain corresponding to Interrupt Aggregator * @@ -139,30 +173,52 @@ static struct ti_sci_inta_vint_desc *ti_sci_inta_alloc_parent_irq(struct irq_dom struct ti_sci_inta_irq_domain *inta = domain->host_data; struct ti_sci_inta_vint_desc *vint_desc; struct irq_fwspec parent_fwspec; + struct device_node *parent_node; unsigned int parent_virq; - u16 vint_id; + u16 vint_id, p_hwirq; + int ret; vint_id = ti_sci_get_free_resource(inta->vint); if (vint_id == TI_SCI_RESOURCE_NULL) return ERR_PTR(-EINVAL); + p_hwirq = ti_sci_inta_xlate_irq(inta, vint_id); + if (p_hwirq < 0) { + ret = p_hwirq; + goto free_vint; + } + vint_desc = kzalloc(sizeof(*vint_desc), GFP_KERNEL); - if (!vint_desc) - return ERR_PTR(-ENOMEM); + if (!vint_desc) { + ret = -ENOMEM; + goto free_vint; + } vint_desc->domain = domain; vint_desc->vint_id = vint_id; INIT_LIST_HEAD(&vint_desc->list); - parent_fwspec.fwnode = of_node_to_fwnode(of_irq_find_parent(dev_of_node(&inta->pdev->dev))); - parent_fwspec.param_count = 2; - parent_fwspec.param[0] = inta->pdev->id; - parent_fwspec.param[1] = vint_desc->vint_id; + parent_node = of_irq_find_parent(dev_of_node(&inta->pdev->dev)); + parent_fwspec.fwnode = of_node_to_fwnode(parent_node); + + if (of_device_is_compatible(parent_node, "arm,gic-v3")) { + /* Parent is GIC */ + parent_fwspec.param_count = 3; + parent_fwspec.param[0] = 0; + parent_fwspec.param[1] = p_hwirq - 32; + parent_fwspec.param[2] = IRQ_TYPE_LEVEL_HIGH; + } else { + /* Parent is Interrupt Router */ + parent_fwspec.param_count = 1; + parent_fwspec.param[0] = p_hwirq; + } parent_virq = irq_create_fwspec_mapping(&parent_fwspec); if (parent_virq == 0) { - kfree(vint_desc); - return ERR_PTR(-EINVAL); + dev_err(&inta->pdev->dev, "Parent IRQ allocation failed\n"); + ret = -EINVAL; + goto free_vint_desc; + } vint_desc->parent_virq = parent_virq; @@ -171,6 +227,11 @@ static struct ti_sci_inta_vint_desc *ti_sci_inta_alloc_parent_irq(struct irq_dom ti_sci_inta_irq_handler, vint_desc); return vint_desc; +free_vint_desc: + kfree(vint_desc); +free_vint: + ti_sci_release_resource(inta->vint, vint_id); + return ERR_PTR(ret); } /** @@ -202,7 +263,7 @@ static struct ti_sci_inta_event_desc *ti_sci_inta_alloc_event(struct ti_sci_inta err = inta->sci->ops.rm_irq_ops.set_event_map(inta->sci, dev_id, dev_index, - inta->pdev->id, + inta->ti_sci_id, vint_desc->vint_id, event_desc->global_event, free_bit); @@ -299,7 +360,7 @@ static void ti_sci_inta_free_irq(struct ti_sci_inta_event_desc *event_desc, inta->sci->ops.rm_irq_ops.free_event_map(inta->sci, HWIRQ_TO_DEVID(hwirq), HWIRQ_TO_IRQID(hwirq), - inta->pdev->id, + inta->ti_sci_id, vint_desc->vint_id, event_desc->global_event, event_desc->vint_bit); @@ -547,21 +608,21 @@ static int ti_sci_inta_irq_domain_probe(struct platform_device *pdev) return ret; } - ret = of_property_read_u32(dev->of_node, "ti,sci-dev-id", &pdev->id); + ret = of_property_read_u32(dev->of_node, "ti,sci-dev-id", &inta->ti_sci_id); if (ret) { dev_err(dev, "missing 'ti,sci-dev-id' property\n"); return -EINVAL; } - inta->vint = devm_ti_sci_get_of_resource(inta->sci, dev, pdev->id, - "ti,sci-rm-range-vint"); + inta->vint = devm_ti_sci_get_resource(inta->sci, dev, inta->ti_sci_id, + TI_SCI_RESASG_SUBTYPE_IA_VINT); if (IS_ERR(inta->vint)) { dev_err(dev, "VINT resource allocation failed\n"); return PTR_ERR(inta->vint); } - inta->global_event = devm_ti_sci_get_of_resource(inta->sci, dev, pdev->id, - "ti,sci-rm-range-global-event"); + inta->global_event = devm_ti_sci_get_resource(inta->sci, dev, inta->ti_sci_id, + TI_SCI_RESASG_SUBTYPE_GLOBAL_EVENT_SEVT); if (IS_ERR(inta->global_event)) { dev_err(dev, "Global event resource allocation failed\n"); return PTR_ERR(inta->global_event); @@ -592,6 +653,8 @@ static int ti_sci_inta_irq_domain_probe(struct platform_device *pdev) INIT_LIST_HEAD(&inta->vint_list); mutex_init(&inta->vint_mutex); + dev_info(dev, "Interrupt Aggregator domain %d created\n", pdev->id); + return 0; } diff --git a/drivers/irqchip/irq-ti-sci-intr.c b/drivers/irqchip/irq-ti-sci-intr.c index 5ea148faf2abc4..cbc1758228d9e9 100644 --- a/drivers/irqchip/irq-ti-sci-intr.c +++ b/drivers/irqchip/irq-ti-sci-intr.c @@ -17,29 +17,20 @@ #include <linux/of_irq.h> #include <linux/soc/ti/ti_sci_protocol.h> -#define TI_SCI_DEV_ID_MASK 0xffff -#define TI_SCI_DEV_ID_SHIFT 16 -#define TI_SCI_IRQ_ID_MASK 0xffff -#define TI_SCI_IRQ_ID_SHIFT 0 -#define HWIRQ_TO_DEVID(hwirq) (((hwirq) >> (TI_SCI_DEV_ID_SHIFT)) & \ - (TI_SCI_DEV_ID_MASK)) -#define HWIRQ_TO_IRQID(hwirq) ((hwirq) & (TI_SCI_IRQ_ID_MASK)) -#define TO_HWIRQ(dev, index) ((((dev) & TI_SCI_DEV_ID_MASK) << \ - TI_SCI_DEV_ID_SHIFT) | \ - ((index) & TI_SCI_IRQ_ID_MASK)) - /** * struct ti_sci_intr_irq_domain - Structure representing a TISCI based * Interrupt Router IRQ domain. * @sci: Pointer to TISCI handle - * @dst_irq: TISCI resource pointer representing GIC irq controller. - * @dst_id: TISCI device ID of the GIC irq controller. + * @out_irqs: TISCI resource pointer representing INTR irqs. + * @dev: Struct device pointer. + * @ti_sci_id: TI-SCI device identifier * @type: Specifies the trigger type supported by this Interrupt Router */ struct ti_sci_intr_irq_domain { const struct ti_sci_handle *sci; - struct ti_sci_resource *dst_irq; - u32 dst_id; + struct ti_sci_resource *out_irqs; + struct device *dev; + u32 ti_sci_id; u32 type; }; @@ -70,16 +61,45 @@ static int ti_sci_intr_irq_domain_translate(struct irq_domain *domain, { struct ti_sci_intr_irq_domain *intr = domain->host_data; - if (fwspec->param_count != 2) + if (fwspec->param_count != 1) return -EINVAL; - *hwirq = TO_HWIRQ(fwspec->param[0], fwspec->param[1]); + *hwirq = fwspec->param[0]; *type = intr->type; return 0; } /** + * ti_sci_intr_xlate_irq() - Translate hwirq to parent's hwirq. + * @intr: IRQ domain corresponding to Interrupt Router + * @irq: Hardware irq corresponding to the above irq domain + * + * Return parent irq number if translation is available else -ENOENT. + */ +static int ti_sci_intr_xlate_irq(struct ti_sci_intr_irq_domain *intr, u32 irq) +{ + struct device_node *np = dev_of_node(intr->dev); + u32 base, pbase, size, len; + const __be32 *range; + + range = of_get_property(np, "ti,interrupt-ranges", &len); + if (!range) + return irq; + + for (len /= sizeof(*range); len >= 3; len -= 3) { + base = be32_to_cpu(*range++); + pbase = be32_to_cpu(*range++); + size = be32_to_cpu(*range++); + + if (base <= irq && irq < base + size) + return irq - base + pbase; + } + + return -ENOENT; +} + +/** * ti_sci_intr_irq_domain_free() - Free the specified IRQs from the domain. * @domain: Domain to which the irqs belong * @virq: Linux virtual IRQ to be freed. @@ -89,66 +109,76 @@ static void ti_sci_intr_irq_domain_free(struct irq_domain *domain, unsigned int virq, unsigned int nr_irqs) { struct ti_sci_intr_irq_domain *intr = domain->host_data; - struct irq_data *data, *parent_data; - u16 dev_id, irq_index; + struct irq_data *data; + int out_irq; - parent_data = irq_domain_get_irq_data(domain->parent, virq); data = irq_domain_get_irq_data(domain, virq); - irq_index = HWIRQ_TO_IRQID(data->hwirq); - dev_id = HWIRQ_TO_DEVID(data->hwirq); + out_irq = (uintptr_t)data->chip_data; - intr->sci->ops.rm_irq_ops.free_irq(intr->sci, dev_id, irq_index, - intr->dst_id, parent_data->hwirq); - ti_sci_release_resource(intr->dst_irq, parent_data->hwirq); + intr->sci->ops.rm_irq_ops.free_irq(intr->sci, + intr->ti_sci_id, data->hwirq, + intr->ti_sci_id, out_irq); + ti_sci_release_resource(intr->out_irqs, out_irq); irq_domain_free_irqs_parent(domain, virq, 1); irq_domain_reset_irq_data(data); } /** - * ti_sci_intr_alloc_gic_irq() - Allocate GIC specific IRQ + * ti_sci_intr_alloc_parent_irq() - Allocate parent IRQ * @domain: Pointer to the interrupt router IRQ domain * @virq: Corresponding Linux virtual IRQ number * @hwirq: Corresponding hwirq for the IRQ within this IRQ domain * - * Returns 0 if all went well else appropriate error pointer. + * Returns parent irq if all went well else appropriate error pointer. */ -static int ti_sci_intr_alloc_gic_irq(struct irq_domain *domain, - unsigned int virq, u32 hwirq) +static int ti_sci_intr_alloc_parent_irq(struct irq_domain *domain, + unsigned int virq, u32 hwirq) { struct ti_sci_intr_irq_domain *intr = domain->host_data; + struct device_node *parent_node; struct irq_fwspec fwspec; - u16 dev_id, irq_index; - u16 dst_irq; - int err; - - dev_id = HWIRQ_TO_DEVID(hwirq); - irq_index = HWIRQ_TO_IRQID(hwirq); + u16 out_irq, p_hwirq; + int err = 0; - dst_irq = ti_sci_get_free_resource(intr->dst_irq); - if (dst_irq == TI_SCI_RESOURCE_NULL) + out_irq = ti_sci_get_free_resource(intr->out_irqs); + if (out_irq == TI_SCI_RESOURCE_NULL) return -EINVAL; - fwspec.fwnode = domain->parent->fwnode; - fwspec.param_count = 3; - fwspec.param[0] = 0; /* SPI */ - fwspec.param[1] = dst_irq - 32; /* SPI offset */ - fwspec.param[2] = intr->type; + p_hwirq = ti_sci_intr_xlate_irq(intr, out_irq); + if (p_hwirq < 0) + goto err_irqs; + + parent_node = of_irq_find_parent(dev_of_node(intr->dev)); + fwspec.fwnode = of_node_to_fwnode(parent_node); + + if (of_device_is_compatible(parent_node, "arm,gic-v3")) { + /* Parent is GIC */ + fwspec.param_count = 3; + fwspec.param[0] = 0; /* SPI */ + fwspec.param[1] = p_hwirq - 32; /* SPI offset */ + fwspec.param[2] = intr->type; + } else { + /* Parent is Interrupt Router */ + fwspec.param_count = 1; + fwspec.param[0] = p_hwirq; + } err = irq_domain_alloc_irqs_parent(domain, virq, 1, &fwspec); if (err) goto err_irqs; - err = intr->sci->ops.rm_irq_ops.set_irq(intr->sci, dev_id, irq_index, - intr->dst_id, dst_irq); + err = intr->sci->ops.rm_irq_ops.set_irq(intr->sci, + intr->ti_sci_id, hwirq, + intr->ti_sci_id, out_irq); if (err) goto err_msg; - return 0; + return p_hwirq; err_msg: irq_domain_free_irqs_parent(domain, virq, 1); err_irqs: - ti_sci_release_resource(intr->dst_irq, dst_irq); + ti_sci_release_resource(intr->out_irqs, out_irq); return err; } @@ -168,18 +198,19 @@ static int ti_sci_intr_irq_domain_alloc(struct irq_domain *domain, struct irq_fwspec *fwspec = data; unsigned long hwirq; unsigned int flags; - int err; + int err, p_hwirq; err = ti_sci_intr_irq_domain_translate(domain, fwspec, &hwirq, &flags); if (err) return err; - err = ti_sci_intr_alloc_gic_irq(domain, virq, hwirq); - if (err) - return err; + p_hwirq = ti_sci_intr_alloc_parent_irq(domain, virq, hwirq); + if (p_hwirq < 0) + return p_hwirq; irq_domain_set_hwirq_and_chip(domain, virq, hwirq, - &ti_sci_intr_irq_chip, NULL); + &ti_sci_intr_irq_chip, + (void *)(uintptr_t)p_hwirq); return 0; } @@ -214,6 +245,7 @@ static int ti_sci_intr_irq_domain_probe(struct platform_device *pdev) if (!intr) return -ENOMEM; + intr->dev = dev; ret = of_property_read_u32(dev_of_node(dev), "ti,intr-trigger-type", &intr->type); if (ret) { @@ -230,19 +262,19 @@ static int ti_sci_intr_irq_domain_probe(struct platform_device *pdev) return ret; } - ret = of_property_read_u32(dev_of_node(dev), "ti,sci-dst-id", - &intr->dst_id); + ret = of_property_read_u32(dev_of_node(dev), "ti,sci-dev-id", + &intr->ti_sci_id); if (ret) { - dev_err(dev, "missing 'ti,sci-dst-id' property\n"); + dev_err(dev, "missing 'ti,sci-dev-id' property\n"); return -EINVAL; } - intr->dst_irq = devm_ti_sci_get_of_resource(intr->sci, dev, - intr->dst_id, - "ti,sci-rm-range-girq"); - if (IS_ERR(intr->dst_irq)) { + intr->out_irqs = devm_ti_sci_get_resource(intr->sci, dev, + intr->ti_sci_id, + TI_SCI_RESASG_SUBTYPE_IR_OUTPUT); + if (IS_ERR(intr->out_irqs)) { dev_err(dev, "Destination irq resource allocation failed\n"); - return PTR_ERR(intr->dst_irq); + return PTR_ERR(intr->out_irqs); } domain = irq_domain_add_hierarchy(parent_domain, 0, 0, dev_of_node(dev), @@ -252,6 +284,8 @@ static int ti_sci_intr_irq_domain_probe(struct platform_device *pdev) return -ENOMEM; } + dev_info(dev, "Interrupt Router %d domain created\n", intr->ti_sci_id); + return 0; } diff --git a/drivers/irqchip/irq-vic.c b/drivers/irqchip/irq-vic.c index bc235db8a4c5bc..e4603637422729 100644 --- a/drivers/irqchip/irq-vic.c +++ b/drivers/irqchip/irq-vic.c @@ -455,7 +455,7 @@ static void __init __vic_init(void __iomem *base, int parent_irq, int irq_start, return; default: printk(KERN_WARNING "VIC: unknown vendor, continuing anyways\n"); - /* fall through */ + fallthrough; case AMBA_VENDOR_ARM: break; } diff --git a/drivers/irqchip/irqchip.c b/drivers/irqchip/irqchip.c index 1bb0e36c2bf3db..d2341153e1814d 100644 --- a/drivers/irqchip/irqchip.c +++ b/drivers/irqchip/irqchip.c @@ -52,7 +52,7 @@ int platform_irqchip_probe(struct platform_device *pdev) * interrupt controller. The actual initialization callback of this * interrupt controller can check for specific domains as necessary. */ - if (par_np && !irq_find_matching_host(np, DOMAIN_BUS_ANY)) + if (par_np && !irq_find_matching_host(par_np, DOMAIN_BUS_ANY)) return -EPROBE_DEFER; return irq_init_cb(np, par_np); diff --git a/drivers/irqchip/qcom-pdc.c b/drivers/irqchip/qcom-pdc.c index c1c5dfad57ccd0..6ae9e1f0819da1 100644 --- a/drivers/irqchip/qcom-pdc.c +++ b/drivers/irqchip/qcom-pdc.c @@ -11,11 +11,9 @@ #include <linux/irqdomain.h> #include <linux/io.h> #include <linux/kernel.h> -#include <linux/module.h> #include <linux/of.h> #include <linux/of_address.h> #include <linux/of_device.h> -#include <linux/of_irq.h> #include <linux/soc/qcom/irq.h> #include <linux/spinlock.h> #include <linux/slab.h> @@ -432,8 +430,4 @@ fail: return ret; } -IRQCHIP_PLATFORM_DRIVER_BEGIN(qcom_pdc) -IRQCHIP_MATCH("qcom,pdc", qcom_pdc_init) -IRQCHIP_PLATFORM_DRIVER_END(qcom_pdc) -MODULE_DESCRIPTION("Qualcomm Technologies, Inc. Power Domain Controller"); -MODULE_LICENSE("GPL v2"); +IRQCHIP_DECLARE(qcom_pdc, "qcom,pdc", qcom_pdc_init); diff --git a/drivers/isdn/hardware/mISDN/avmfritz.c b/drivers/isdn/hardware/mISDN/avmfritz.c index ecc1ef6c386d83..f68569bfef7a71 100644 --- a/drivers/isdn/hardware/mISDN/avmfritz.c +++ b/drivers/isdn/hardware/mISDN/avmfritz.c @@ -348,7 +348,7 @@ modehdlc(struct bchannel *bch, int protocol) switch (protocol) { case -1: /* used for init */ bch->state = -1; - /* fall through */ + fallthrough; case ISDN_P_NONE: if (bch->state == ISDN_P_NONE) break; diff --git a/drivers/isdn/hardware/mISDN/hfc_multi_8xx.h b/drivers/isdn/hardware/mISDN/hfc_multi_8xx.h index b0d772340e163d..448ded8f9d24e3 100644 --- a/drivers/isdn/hardware/mISDN/hfc_multi_8xx.h +++ b/drivers/isdn/hardware/mISDN/hfc_multi_8xx.h @@ -121,7 +121,6 @@ setup_embedded(struct hfc_multi *hc, struct hm_map *m) case HFC_IO_MODE_EMBSD: test_and_set_bit(HFC_CHIP_EMBSD, &hc->chip); hc->slots = 128; /* required */ - /* fall through */ hc->HFC_outb = HFC_outb_embsd; hc->HFC_inb = HFC_inb_embsd; hc->HFC_inw = HFC_inw_embsd; diff --git a/drivers/isdn/hardware/mISDN/hfcpci.c b/drivers/isdn/hardware/mISDN/hfcpci.c index 904a4f4c5ff9ee..56bd2e9db6ed6a 100644 --- a/drivers/isdn/hardware/mISDN/hfcpci.c +++ b/drivers/isdn/hardware/mISDN/hfcpci.c @@ -1280,7 +1280,7 @@ mode_hfcpci(struct bchannel *bch, int bc, int protocol) case (-1): /* used for init */ bch->state = -1; bch->nr = bc; - /* fall through */ + fallthrough; case (ISDN_P_NONE): if (bch->state == ISDN_P_NONE) return 0; diff --git a/drivers/isdn/hardware/mISDN/hfcsusb.c b/drivers/isdn/hardware/mISDN/hfcsusb.c index 4274906f86547f..70061991915a58 100644 --- a/drivers/isdn/hardware/mISDN/hfcsusb.c +++ b/drivers/isdn/hardware/mISDN/hfcsusb.c @@ -695,7 +695,7 @@ hfcsusb_setup_bch(struct bchannel *bch, int protocol) switch (protocol) { case (-1): /* used for init */ bch->state = -1; - /* fall through */ + fallthrough; case (ISDN_P_NONE): if (bch->state == ISDN_P_NONE) return 0; /* already in idle state */ diff --git a/drivers/isdn/hardware/mISDN/isdnhdlc.c b/drivers/isdn/hardware/mISDN/isdnhdlc.c index 9fea16ed3dd86e..985367e6711d4d 100644 --- a/drivers/isdn/hardware/mISDN/isdnhdlc.c +++ b/drivers/isdn/hardware/mISDN/isdnhdlc.c @@ -397,7 +397,7 @@ int isdnhdlc_encode(struct isdnhdlc_vars *hdlc, const u8 *src, u16 slen, dsize--; break; } - /* fall through */ + fallthrough; case HDLC_SENDFLAG_ONE: if (hdlc->bit_shift == 8) { hdlc->cbin = hdlc->ffvalue >> diff --git a/drivers/isdn/hardware/mISDN/mISDNinfineon.c b/drivers/isdn/hardware/mISDN/mISDNinfineon.c index f4cb2976688845..a16c7a2a7f3d0d 100644 --- a/drivers/isdn/hardware/mISDN/mISDNinfineon.c +++ b/drivers/isdn/hardware/mISDN/mISDNinfineon.c @@ -875,7 +875,7 @@ release_card(struct inf_hw *card) { release_card(card->sc[i]); card->sc[i] = NULL; } - /* fall through */ + fallthrough; default: pci_disable_device(card->pdev); pci_set_drvdata(card->pdev, NULL); diff --git a/drivers/isdn/hardware/mISDN/mISDNisar.c b/drivers/isdn/hardware/mISDN/mISDNisar.c index 11e8c7d8b6e89d..56943409b60d94 100644 --- a/drivers/isdn/hardware/mISDN/mISDNisar.c +++ b/drivers/isdn/hardware/mISDN/mISDNisar.c @@ -957,7 +957,7 @@ isar_pump_statev_fax(struct isar_ch *ch, u8 devt) { break; case PCTRL_CMD_FTM: p1 = 2; - /* fall through */ + fallthrough; case PCTRL_CMD_FTH: send_mbox(ch->is, dps | ISAR_HIS_PUMPCTRL, PCTRL_CMD_SILON, 1, &p1); @@ -1163,7 +1163,7 @@ setup_pump(struct isar_ch *ch) { send_mbox(ch->is, dps | ISAR_HIS_PUMPCFG, PMOD_DTMF, 1, param); } - /* fall through */ + fallthrough; case ISDN_P_B_MODEM_ASYNC: ctrl = PMOD_DATAMODEM; if (test_bit(FLG_ORIGIN, &ch->bch.Flags)) { @@ -1255,7 +1255,7 @@ setup_iom2(struct isar_ch *ch) { case ISDN_P_B_MODEM_ASYNC: case ISDN_P_B_T30_FAX: cmsb |= IOM_CTRL_RCV; - /* fall through */ + fallthrough; case ISDN_P_B_L2DTMF: if (test_bit(FLG_DTMFSEND, &ch->bch.Flags)) cmsb |= IOM_CTRL_RCV; @@ -1548,7 +1548,7 @@ isar_l2l1(struct mISDNchannel *ch, struct sk_buff *skb) ich->is->name, hh->id); ret = -EINVAL; } - /* fall through */ + fallthrough; default: pr_info("%s: %s unknown prim(%x,%x)\n", ich->is->name, __func__, hh->prim, hh->id); diff --git a/drivers/isdn/mISDN/stack.c b/drivers/isdn/mISDN/stack.c index 27aa32914425d5..c2f76f3986134e 100644 --- a/drivers/isdn/mISDN/stack.c +++ b/drivers/isdn/mISDN/stack.c @@ -528,7 +528,7 @@ create_l2entity(struct mISDNdevice *dev, struct mISDNchannel *ch, rq.protocol = ISDN_P_NT_S0; if (dev->Dprotocols & (1 << ISDN_P_NT_E1)) rq.protocol = ISDN_P_NT_E1; - /* fall through */ + fallthrough; case ISDN_P_LAPD_TE: ch->recv = mISDN_queue_message; ch->peer = &dev->D.st->own; diff --git a/drivers/lightnvm/pblk-core.c b/drivers/lightnvm/pblk-core.c index b413bafe93fddd..97c68731406b34 100644 --- a/drivers/lightnvm/pblk-core.c +++ b/drivers/lightnvm/pblk-core.c @@ -301,7 +301,7 @@ void pblk_free_rqd(struct pblk *pblk, struct nvm_rq *rqd, int type) switch (type) { case PBLK_WRITE: kfree(((struct pblk_c_ctx *)nvm_rq_to_pdu(rqd))->lun_bitmap); - /* fall through */ + fallthrough; case PBLK_WRITE_INT: pool = &pblk->w_rq_pool; break; diff --git a/drivers/macintosh/adbhid.c b/drivers/macintosh/adbhid.c index 75482eeab2c4da..994ba5cb367898 100644 --- a/drivers/macintosh/adbhid.c +++ b/drivers/macintosh/adbhid.c @@ -881,7 +881,7 @@ adbhid_input_register(int id, int default_id, int original_handler_id, } if (hid->name[0]) break; - /* else fall through */ + fallthrough; default: pr_info("Trying to register unknown ADB device to input layer.\n"); diff --git a/drivers/macintosh/smu.c b/drivers/macintosh/smu.c index 23f1f41c860290..96684581a25df1 100644 --- a/drivers/macintosh/smu.c +++ b/drivers/macintosh/smu.c @@ -852,7 +852,7 @@ int smu_queue_i2c(struct smu_i2c_cmd *cmd) break; case SMU_I2C_TRANSFER_COMBINED: cmd->info.devaddr &= 0xfe; - /* fall through */ + fallthrough; case SMU_I2C_TRANSFER_STDSUB: if (cmd->info.sublen > 3) return -EINVAL; diff --git a/drivers/md/bcache/journal.c b/drivers/md/bcache/journal.c index 77fbfd52edcf99..c1227bdb57e7f1 100644 --- a/drivers/md/bcache/journal.c +++ b/drivers/md/bcache/journal.c @@ -608,7 +608,7 @@ static void do_journal_discard(struct cache *ca) ca->sb.njournal_buckets; atomic_set(&ja->discard_in_flight, DISCARD_READY); - /* fallthrough */ + fallthrough; case DISCARD_READY: if (ja->discard_idx == ja->last_idx) diff --git a/drivers/md/bcache/util.c b/drivers/md/bcache/util.c index 62fb917f7a4f08..ae380bc3992e3c 100644 --- a/drivers/md/bcache/util.c +++ b/drivers/md/bcache/util.c @@ -33,27 +33,27 @@ int bch_ ## name ## _h(const char *cp, type *res) \ case 'y': \ case 'z': \ u++; \ - /* fall through */ \ + fallthrough; \ case 'e': \ u++; \ - /* fall through */ \ + fallthrough; \ case 'p': \ u++; \ - /* fall through */ \ + fallthrough; \ case 't': \ u++; \ - /* fall through */ \ + fallthrough; \ case 'g': \ u++; \ - /* fall through */ \ + fallthrough; \ case 'm': \ u++; \ - /* fall through */ \ + fallthrough; \ case 'k': \ u++; \ if (e++ == cp) \ return -EINVAL; \ - /* fall through */ \ + fallthrough; \ case '\n': \ case '\0': \ if (*e == '\n') \ diff --git a/drivers/md/dm-cache-metadata.c b/drivers/md/dm-cache-metadata.c index 151aa95775be2d..af6d4f898e4c1d 100644 --- a/drivers/md/dm-cache-metadata.c +++ b/drivers/md/dm-cache-metadata.c @@ -537,12 +537,16 @@ static int __create_persistent_data_objects(struct dm_cache_metadata *cmd, CACHE_MAX_CONCURRENT_LOCKS); if (IS_ERR(cmd->bm)) { DMERR("could not create block manager"); - return PTR_ERR(cmd->bm); + r = PTR_ERR(cmd->bm); + cmd->bm = NULL; + return r; } r = __open_or_format_metadata(cmd, may_format_device); - if (r) + if (r) { dm_block_manager_destroy(cmd->bm); + cmd->bm = NULL; + } return r; } diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c index 14896072125464..380386c36921f7 100644 --- a/drivers/md/dm-crypt.c +++ b/drivers/md/dm-crypt.c @@ -739,7 +739,7 @@ static int crypt_iv_eboiv_gen(struct crypt_config *cc, u8 *iv, u8 buf[MAX_CIPHER_BLOCKSIZE] __aligned(__alignof__(__le64)); struct skcipher_request *req; struct scatterlist src, dst; - struct crypto_wait wait; + DECLARE_CRYPTO_WAIT(wait); int err; req = skcipher_request_alloc(any_tfm(cc), GFP_NOIO); @@ -936,7 +936,7 @@ static int crypt_iv_elephant(struct crypt_config *cc, struct dm_crypt_request *d u8 *es, *ks, *data, *data2, *data_offset; struct skcipher_request *req; struct scatterlist *sg, *sg2, src, dst; - struct crypto_wait wait; + DECLARE_CRYPTO_WAIT(wait); int i, r; req = skcipher_request_alloc(elephant->tfm, GFP_NOIO); @@ -1552,7 +1552,7 @@ static blk_status_t crypt_convert(struct crypt_config *cc, case -EBUSY: wait_for_completion(&ctx->restart); reinit_completion(&ctx->restart); - /* fall through */ + fallthrough; /* * The request is queued and processed asynchronously, * completion function kcryptd_async_done() will be called. diff --git a/drivers/md/dm-integrity.c b/drivers/md/dm-integrity.c index 8c8d940e532efa..3fc3757def55ec 100644 --- a/drivers/md/dm-integrity.c +++ b/drivers/md/dm-integrity.c @@ -2487,6 +2487,7 @@ next_chunk: range.logical_sector = le64_to_cpu(ic->sb->recalc_sector); if (unlikely(range.logical_sector >= ic->provided_data_sectors)) { if (ic->mode == 'B') { + block_bitmap_op(ic, ic->recalc_bitmap, 0, ic->provided_data_sectors, BITMAP_OP_CLEAR); DEBUG_print("queue_delayed_work: bitmap_flush_work\n"); queue_delayed_work(ic->commit_wq, &ic->bitmap_flush_work, 0); } @@ -2564,6 +2565,17 @@ next_chunk: goto err; } + if (ic->mode == 'B') { + sector_t start, end; + start = (range.logical_sector >> + (ic->sb->log2_sectors_per_block + ic->log2_blocks_per_bitmap_bit)) << + (ic->sb->log2_sectors_per_block + ic->log2_blocks_per_bitmap_bit); + end = ((range.logical_sector + range.n_sectors) >> + (ic->sb->log2_sectors_per_block + ic->log2_blocks_per_bitmap_bit)) << + (ic->sb->log2_sectors_per_block + ic->log2_blocks_per_bitmap_bit); + block_bitmap_op(ic, ic->recalc_bitmap, start, end - start, BITMAP_OP_CLEAR); + } + advance_and_next: cond_resched(); diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c index 53645a6f474cb4..de4da825ade608 100644 --- a/drivers/md/dm-mpath.c +++ b/drivers/md/dm-mpath.c @@ -1287,17 +1287,25 @@ static void multipath_wait_for_pg_init_completion(struct multipath *m) static void flush_multipath_work(struct multipath *m) { if (m->hw_handler_name) { - set_bit(MPATHF_PG_INIT_DISABLED, &m->flags); - smp_mb__after_atomic(); + unsigned long flags; + + if (!atomic_read(&m->pg_init_in_progress)) + goto skip; + + spin_lock_irqsave(&m->lock, flags); + if (atomic_read(&m->pg_init_in_progress) && + !test_and_set_bit(MPATHF_PG_INIT_DISABLED, &m->flags)) { + spin_unlock_irqrestore(&m->lock, flags); - if (atomic_read(&m->pg_init_in_progress)) flush_workqueue(kmpath_handlerd); - multipath_wait_for_pg_init_completion(m); + multipath_wait_for_pg_init_completion(m); - clear_bit(MPATHF_PG_INIT_DISABLED, &m->flags); - smp_mb__after_atomic(); + spin_lock_irqsave(&m->lock, flags); + clear_bit(MPATHF_PG_INIT_DISABLED, &m->flags); + } + spin_unlock_irqrestore(&m->lock, flags); } - +skip: if (m->queue_mode == DM_TYPE_BIO_BASED) flush_work(&m->process_queued_bios); flush_work(&m->trigger_event); @@ -1554,7 +1562,7 @@ static void pg_init_done(void *data, int errors) case SCSI_DH_RETRY: /* Wait before retrying. */ delay_retry = true; - /* fall through */ + fallthrough; case SCSI_DH_IMM_RETRY: case SCSI_DH_RES_TEMP_UNAVAIL: if (pg_init_limit_reached(m, pgpath)) diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c index 5edc3079e7c199..229f461e7def37 100644 --- a/drivers/md/dm-table.c +++ b/drivers/md/dm-table.c @@ -860,10 +860,14 @@ EXPORT_SYMBOL_GPL(dm_table_set_type); int device_supports_dax(struct dm_target *ti, struct dm_dev *dev, sector_t start, sector_t len, void *data) { - int blocksize = *(int *) data; + int blocksize = *(int *) data, id; + bool rc; - return generic_fsdax_supported(dev->dax_dev, dev->bdev, blocksize, - start, len); + id = dax_read_lock(); + rc = dax_supported(dev->dax_dev, dev->bdev, blocksize, start, len); + dax_read_unlock(id); + + return rc; } /* Check devices support synchronous DAX */ diff --git a/drivers/md/dm-thin-metadata.c b/drivers/md/dm-thin-metadata.c index 76b6b323bf4bd5..b461836b6d2638 100644 --- a/drivers/md/dm-thin-metadata.c +++ b/drivers/md/dm-thin-metadata.c @@ -739,12 +739,16 @@ static int __create_persistent_data_objects(struct dm_pool_metadata *pmd, bool f THIN_MAX_CONCURRENT_LOCKS); if (IS_ERR(pmd->bm)) { DMERR("could not create block manager"); - return PTR_ERR(pmd->bm); + r = PTR_ERR(pmd->bm); + pmd->bm = NULL; + return r; } r = __open_or_format_metadata(pmd, format_device); - if (r) + if (r) { dm_block_manager_destroy(pmd->bm); + pmd->bm = NULL; + } return r; } @@ -954,7 +958,7 @@ int dm_pool_metadata_close(struct dm_pool_metadata *pmd) } pmd_write_lock_in_core(pmd); - if (!dm_bm_is_read_only(pmd->bm) && !pmd->fail_io) { + if (!pmd->fail_io && !dm_bm_is_read_only(pmd->bm)) { r = __commit_transaction(pmd); if (r < 0) DMWARN("%s: __commit_transaction() failed, error = %d", diff --git a/drivers/md/dm-writecache.c b/drivers/md/dm-writecache.c index 86dbe0c8b45c60..6271d1e741cf7a 100644 --- a/drivers/md/dm-writecache.c +++ b/drivers/md/dm-writecache.c @@ -231,6 +231,7 @@ static int persistent_memory_claim(struct dm_writecache *wc) pfn_t pfn; int id; struct page **pages; + sector_t offset; wc->memory_vmapped = false; @@ -245,9 +246,16 @@ static int persistent_memory_claim(struct dm_writecache *wc) goto err1; } + offset = get_start_sect(wc->ssd_dev->bdev); + if (offset & (PAGE_SIZE / 512 - 1)) { + r = -EINVAL; + goto err1; + } + offset >>= PAGE_SHIFT - 9; + id = dax_read_lock(); - da = dax_direct_access(wc->ssd_dev->dax_dev, 0, p, &wc->memory_map, &pfn); + da = dax_direct_access(wc->ssd_dev->dax_dev, offset, p, &wc->memory_map, &pfn); if (da < 0) { wc->memory_map = NULL; r = da; @@ -269,7 +277,7 @@ static int persistent_memory_claim(struct dm_writecache *wc) i = 0; do { long daa; - daa = dax_direct_access(wc->ssd_dev->dax_dev, i, p - i, + daa = dax_direct_access(wc->ssd_dev->dax_dev, offset + i, p - i, NULL, &pfn); if (daa <= 0) { r = daa ? daa : -EINVAL; diff --git a/drivers/md/dm.c b/drivers/md/dm.c index 32fa6499739fb9..6ed05ca65a0f8f 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -1021,7 +1021,7 @@ static void clone_endio(struct bio *bio) switch (r) { case DM_ENDIO_REQUEUE: error = BLK_STS_DM_REQUEUE; - /*FALLTHRU*/ + fallthrough; case DM_ENDIO_DONE: break; case DM_ENDIO_INCOMPLETE: @@ -1136,15 +1136,16 @@ static bool dm_dax_supported(struct dax_device *dax_dev, struct block_device *bd { struct mapped_device *md = dax_get_private(dax_dev); struct dm_table *map; + bool ret = false; int srcu_idx; - bool ret; map = dm_get_live_table(md, &srcu_idx); if (!map) - return false; + goto out; ret = dm_table_supports_dax(map, device_supports_dax, &blocksize); +out: dm_put_live_table(md, srcu_idx); return ret; @@ -1723,23 +1724,6 @@ out: return ret; } -static void dm_queue_split(struct mapped_device *md, struct dm_target *ti, struct bio **bio) -{ - unsigned len, sector_count; - - sector_count = bio_sectors(*bio); - len = min_t(sector_t, max_io_len((*bio)->bi_iter.bi_sector, ti), sector_count); - - if (sector_count > len) { - struct bio *split = bio_split(*bio, len, GFP_NOIO, &md->queue->bio_split); - - bio_chain(split, *bio); - trace_block_split(md->queue, split, (*bio)->bi_iter.bi_sector); - submit_bio_noacct(*bio); - *bio = split; - } -} - static blk_qc_t dm_process_bio(struct mapped_device *md, struct dm_table *map, struct bio *bio) { @@ -1760,21 +1744,21 @@ static blk_qc_t dm_process_bio(struct mapped_device *md, } /* - * If in ->queue_bio we need to use blk_queue_split(), otherwise + * If in ->submit_bio we need to use blk_queue_split(), otherwise * queue_limits for abnormal requests (e.g. discard, writesame, etc) * won't be imposed. + * If called from dm_wq_work() for deferred bio processing, bio + * was already handled by following code with previous ->submit_bio. */ if (current->bio_list) { if (is_abnormal_io(bio)) blk_queue_split(&bio); - else - dm_queue_split(md, ti, &bio); + /* regular IO is split by __split_and_process_bio */ } if (dm_get_md_type(md) == DM_TYPE_NVME_BIO_BASED) return __process_bio(md, map, bio, ti); - else - return __split_and_process_bio(md, map, bio); + return __split_and_process_bio(md, map, bio); } static blk_qc_t dm_submit_bio(struct bio *bio) diff --git a/drivers/md/md-autodetect.c b/drivers/md/md-autodetect.c index 6bbec89976a748..2cf973722f5962 100644 --- a/drivers/md/md-autodetect.c +++ b/drivers/md/md-autodetect.c @@ -102,10 +102,10 @@ static int __init md_setup(char *str) pername = "raid0"; break; } - /* FALL THROUGH */ + fallthrough; case 1: /* the first device is numeric */ str = str1; - /* FALL THROUGH */ + fallthrough; case 0: md_setup_args[ent].level = LEVEL_NONE; pername="super-block"; diff --git a/drivers/md/md-bitmap.c b/drivers/md/md-bitmap.c index d61b524ae44013..b10c51988c8ee1 100644 --- a/drivers/md/md-bitmap.c +++ b/drivers/md/md-bitmap.c @@ -1433,7 +1433,7 @@ int md_bitmap_startwrite(struct bitmap *bitmap, sector_t offset, unsigned long s case 0: md_bitmap_file_set_bit(bitmap, offset); md_bitmap_count_page(&bitmap->counts, offset, 1); - /* fall through */ + fallthrough; case 1: *bmc = 2; } diff --git a/drivers/md/persistent-data/dm-block-manager.c b/drivers/md/persistent-data/dm-block-manager.c index 749ec268d957d6..54c089a50b152e 100644 --- a/drivers/md/persistent-data/dm-block-manager.c +++ b/drivers/md/persistent-data/dm-block-manager.c @@ -493,7 +493,7 @@ int dm_bm_write_lock(struct dm_block_manager *bm, void *p; int r; - if (bm->read_only) + if (dm_bm_is_read_only(bm)) return -EPERM; p = dm_bufio_read(bm->bufio, b, (struct dm_buffer **) result); @@ -562,7 +562,7 @@ int dm_bm_write_lock_zero(struct dm_block_manager *bm, struct buffer_aux *aux; void *p; - if (bm->read_only) + if (dm_bm_is_read_only(bm)) return -EPERM; p = dm_bufio_new(bm->bufio, b, (struct dm_buffer **) result); @@ -602,7 +602,7 @@ EXPORT_SYMBOL_GPL(dm_bm_unlock); int dm_bm_flush(struct dm_block_manager *bm) { - if (bm->read_only) + if (dm_bm_is_read_only(bm)) return -EPERM; return dm_bufio_write_dirty_buffers(bm->bufio); @@ -616,19 +616,21 @@ void dm_bm_prefetch(struct dm_block_manager *bm, dm_block_t b) bool dm_bm_is_read_only(struct dm_block_manager *bm) { - return bm->read_only; + return (bm ? bm->read_only : true); } EXPORT_SYMBOL_GPL(dm_bm_is_read_only); void dm_bm_set_read_only(struct dm_block_manager *bm) { - bm->read_only = true; + if (bm) + bm->read_only = true; } EXPORT_SYMBOL_GPL(dm_bm_set_read_only); void dm_bm_set_read_write(struct dm_block_manager *bm) { - bm->read_only = false; + if (bm) + bm->read_only = false; } EXPORT_SYMBOL_GPL(dm_bm_set_read_write); diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index ef0fd4830803f0..225380efd1e24f 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -4083,7 +4083,7 @@ static void handle_parity_checks5(struct r5conf *conf, struct stripe_head *sh, break; } dev = &sh->dev[s->failed_num[0]]; - /* fall through */ + fallthrough; case check_state_compute_result: sh->check_state = check_state_idle; if (!dev) @@ -4214,7 +4214,7 @@ static void handle_parity_checks6(struct r5conf *conf, struct stripe_head *sh, /* we have 2-disk failure */ BUG_ON(s->failed != 2); - /* fall through */ + fallthrough; case check_state_compute_result: sh->check_state = check_state_idle; @@ -6514,9 +6514,12 @@ raid5_store_stripe_size(struct mddev *mddev, const char *page, size_t len) /* * The value should not be bigger than PAGE_SIZE. It requires to - * be multiple of DEFAULT_STRIPE_SIZE. + * be multiple of DEFAULT_STRIPE_SIZE and the value should be power + * of two. */ - if (new % DEFAULT_STRIPE_SIZE != 0 || new > PAGE_SIZE || new == 0) + if (new % DEFAULT_STRIPE_SIZE != 0 || + new > PAGE_SIZE || new == 0 || + new != roundup_pow_of_two(new)) return -EINVAL; err = mddev_lock(mddev); diff --git a/drivers/media/cec/core/cec-adap.c b/drivers/media/cec/core/cec-adap.c index 4efe8014445ea1..926d65db6d3e6e 100644 --- a/drivers/media/cec/core/cec-adap.c +++ b/drivers/media/cec/core/cec-adap.c @@ -1199,7 +1199,7 @@ void cec_received_msg_ts(struct cec_adapter *adap, /* Cancel the pending timeout work */ if (!cancel_delayed_work(&data->work)) { mutex_unlock(&adap->lock); - flush_scheduled_work(); + cancel_delayed_work_sync(&data->work); mutex_lock(&adap->lock); } /* diff --git a/drivers/media/common/v4l2-tpg/v4l2-tpg-core.c b/drivers/media/common/v4l2-tpg/v4l2-tpg-core.c index 630a75e0eeb16d..7607b516a7c438 100644 --- a/drivers/media/common/v4l2-tpg/v4l2-tpg-core.c +++ b/drivers/media/common/v4l2-tpg/v4l2-tpg-core.c @@ -210,7 +210,7 @@ bool tpg_s_fourcc(struct tpg_data *tpg, u32 fourcc) tpg->vdownsampling[1] = 1; tpg->hdownsampling[1] = 1; tpg->planes = 2; - /* fall through */ + fallthrough; case V4L2_PIX_FMT_RGB332: case V4L2_PIX_FMT_RGB565: case V4L2_PIX_FMT_RGB565X: @@ -271,7 +271,7 @@ bool tpg_s_fourcc(struct tpg_data *tpg, u32 fourcc) case V4L2_PIX_FMT_YUV420M: case V4L2_PIX_FMT_YVU420M: tpg->buffers = 3; - /* fall through */ + fallthrough; case V4L2_PIX_FMT_YUV420: case V4L2_PIX_FMT_YVU420: tpg->vdownsampling[1] = 2; @@ -284,7 +284,7 @@ bool tpg_s_fourcc(struct tpg_data *tpg, u32 fourcc) case V4L2_PIX_FMT_YUV422M: case V4L2_PIX_FMT_YVU422M: tpg->buffers = 3; - /* fall through */ + fallthrough; case V4L2_PIX_FMT_YUV422P: tpg->vdownsampling[1] = 1; tpg->vdownsampling[2] = 1; @@ -296,7 +296,7 @@ bool tpg_s_fourcc(struct tpg_data *tpg, u32 fourcc) case V4L2_PIX_FMT_NV16M: case V4L2_PIX_FMT_NV61M: tpg->buffers = 2; - /* fall through */ + fallthrough; case V4L2_PIX_FMT_NV16: case V4L2_PIX_FMT_NV61: tpg->vdownsampling[1] = 1; @@ -308,7 +308,7 @@ bool tpg_s_fourcc(struct tpg_data *tpg, u32 fourcc) case V4L2_PIX_FMT_NV12M: case V4L2_PIX_FMT_NV21M: tpg->buffers = 2; - /* fall through */ + fallthrough; case V4L2_PIX_FMT_NV12: case V4L2_PIX_FMT_NV21: tpg->vdownsampling[1] = 2; @@ -1275,7 +1275,7 @@ static void gen_twopix(struct tpg_data *tpg, case V4L2_PIX_FMT_RGB444: case V4L2_PIX_FMT_XRGB444: alpha = 0; - /* fall through */ + fallthrough; case V4L2_PIX_FMT_YUV444: case V4L2_PIX_FMT_ARGB444: buf[0][offset] = (g_u_s << 4) | b_v; @@ -1283,21 +1283,21 @@ static void gen_twopix(struct tpg_data *tpg, break; case V4L2_PIX_FMT_RGBX444: alpha = 0; - /* fall through */ + fallthrough; case V4L2_PIX_FMT_RGBA444: buf[0][offset] = (b_v << 4) | (alpha >> 4); buf[0][offset + 1] = (r_y_h << 4) | g_u_s; break; case V4L2_PIX_FMT_XBGR444: alpha = 0; - /* fall through */ + fallthrough; case V4L2_PIX_FMT_ABGR444: buf[0][offset] = (g_u_s << 4) | r_y_h; buf[0][offset + 1] = (alpha & 0xf0) | b_v; break; case V4L2_PIX_FMT_BGRX444: alpha = 0; - /* fall through */ + fallthrough; case V4L2_PIX_FMT_BGRA444: buf[0][offset] = (r_y_h << 4) | (alpha >> 4); buf[0][offset + 1] = (b_v << 4) | g_u_s; @@ -1305,7 +1305,7 @@ static void gen_twopix(struct tpg_data *tpg, case V4L2_PIX_FMT_RGB555: case V4L2_PIX_FMT_XRGB555: alpha = 0; - /* fall through */ + fallthrough; case V4L2_PIX_FMT_YUV555: case V4L2_PIX_FMT_ARGB555: buf[0][offset] = (g_u_s << 5) | b_v; @@ -1314,7 +1314,7 @@ static void gen_twopix(struct tpg_data *tpg, break; case V4L2_PIX_FMT_RGBX555: alpha = 0; - /* fall through */ + fallthrough; case V4L2_PIX_FMT_RGBA555: buf[0][offset] = (g_u_s << 6) | (b_v << 1) | ((alpha & 0x80) >> 7); @@ -1322,7 +1322,7 @@ static void gen_twopix(struct tpg_data *tpg, break; case V4L2_PIX_FMT_XBGR555: alpha = 0; - /* fall through */ + fallthrough; case V4L2_PIX_FMT_ABGR555: buf[0][offset] = (g_u_s << 5) | r_y_h; buf[0][offset + 1] = (alpha & 0x80) | (b_v << 2) @@ -1330,7 +1330,7 @@ static void gen_twopix(struct tpg_data *tpg, break; case V4L2_PIX_FMT_BGRX555: alpha = 0; - /* fall through */ + fallthrough; case V4L2_PIX_FMT_BGRA555: buf[0][offset] = (g_u_s << 6) | (r_y_h << 1) | ((alpha & 0x80) >> 7); @@ -1339,7 +1339,7 @@ static void gen_twopix(struct tpg_data *tpg, case V4L2_PIX_FMT_RGB555X: case V4L2_PIX_FMT_XRGB555X: alpha = 0; - /* fall through */ + fallthrough; case V4L2_PIX_FMT_ARGB555X: buf[0][offset] = (alpha & 0x80) | (r_y_h << 2) | (g_u_s >> 3); buf[0][offset + 1] = (g_u_s << 5) | b_v; @@ -1366,7 +1366,7 @@ static void gen_twopix(struct tpg_data *tpg, case V4L2_PIX_FMT_HSV32: case V4L2_PIX_FMT_XYUV32: alpha = 0; - /* fall through */ + fallthrough; case V4L2_PIX_FMT_YUV32: case V4L2_PIX_FMT_ARGB32: case V4L2_PIX_FMT_AYUV32: @@ -1377,7 +1377,7 @@ static void gen_twopix(struct tpg_data *tpg, break; case V4L2_PIX_FMT_RGBX32: alpha = 0; - /* fall through */ + fallthrough; case V4L2_PIX_FMT_RGBA32: buf[0][offset] = r_y_h; buf[0][offset + 1] = g_u_s; @@ -1388,7 +1388,7 @@ static void gen_twopix(struct tpg_data *tpg, case V4L2_PIX_FMT_XBGR32: case V4L2_PIX_FMT_VUYX32: alpha = 0; - /* fall through */ + fallthrough; case V4L2_PIX_FMT_ABGR32: case V4L2_PIX_FMT_VUYA32: buf[0][offset] = b_v; @@ -1398,7 +1398,7 @@ static void gen_twopix(struct tpg_data *tpg, break; case V4L2_PIX_FMT_BGRX32: alpha = 0; - /* fall through */ + fallthrough; case V4L2_PIX_FMT_BGRA32: buf[0][offset] = alpha; buf[0][offset + 1] = b_v; diff --git a/drivers/media/common/videobuf2/videobuf2-core.c b/drivers/media/common/videobuf2/videobuf2-core.c index f544d3393e9d6b..4eab6d81cce170 100644 --- a/drivers/media/common/videobuf2/videobuf2-core.c +++ b/drivers/media/common/videobuf2/videobuf2-core.c @@ -721,39 +721,14 @@ int vb2_verify_memory_type(struct vb2_queue *q, } EXPORT_SYMBOL(vb2_verify_memory_type); -static void set_queue_consistency(struct vb2_queue *q, bool consistent_mem) -{ - q->dma_attrs &= ~DMA_ATTR_NON_CONSISTENT; - - if (!vb2_queue_allows_cache_hints(q)) - return; - if (!consistent_mem) - q->dma_attrs |= DMA_ATTR_NON_CONSISTENT; -} - -static bool verify_consistency_attr(struct vb2_queue *q, bool consistent_mem) -{ - bool queue_is_consistent = !(q->dma_attrs & DMA_ATTR_NON_CONSISTENT); - - if (consistent_mem != queue_is_consistent) { - dprintk(q, 1, "memory consistency model mismatch\n"); - return false; - } - return true; -} - int vb2_core_reqbufs(struct vb2_queue *q, enum vb2_memory memory, - unsigned int flags, unsigned int *count) + unsigned int *count) { unsigned int num_buffers, allocated_buffers, num_planes = 0; unsigned plane_sizes[VB2_MAX_PLANES] = { }; - bool consistent_mem = true; unsigned int i; int ret; - if (flags & V4L2_FLAG_MEMORY_NON_CONSISTENT) - consistent_mem = false; - if (q->streaming) { dprintk(q, 1, "streaming active\n"); return -EBUSY; @@ -765,8 +740,7 @@ int vb2_core_reqbufs(struct vb2_queue *q, enum vb2_memory memory, } if (*count == 0 || q->num_buffers != 0 || - (q->memory != VB2_MEMORY_UNKNOWN && q->memory != memory) || - !verify_consistency_attr(q, consistent_mem)) { + (q->memory != VB2_MEMORY_UNKNOWN && q->memory != memory)) { /* * We already have buffers allocated, so first check if they * are not in use and can be freed. @@ -803,7 +777,6 @@ int vb2_core_reqbufs(struct vb2_queue *q, enum vb2_memory memory, num_buffers = min_t(unsigned int, num_buffers, VB2_MAX_FRAME); memset(q->alloc_devs, 0, sizeof(q->alloc_devs)); q->memory = memory; - set_queue_consistency(q, consistent_mem); /* * Ask the driver how many buffers and planes per buffer it requires. @@ -888,18 +861,14 @@ int vb2_core_reqbufs(struct vb2_queue *q, enum vb2_memory memory, EXPORT_SYMBOL_GPL(vb2_core_reqbufs); int vb2_core_create_bufs(struct vb2_queue *q, enum vb2_memory memory, - unsigned int flags, unsigned int *count, + unsigned int *count, unsigned int requested_planes, const unsigned int requested_sizes[]) { unsigned int num_planes = 0, num_buffers, allocated_buffers; unsigned plane_sizes[VB2_MAX_PLANES] = { }; - bool consistent_mem = true; int ret; - if (flags & V4L2_FLAG_MEMORY_NON_CONSISTENT) - consistent_mem = false; - if (q->num_buffers == VB2_MAX_FRAME) { dprintk(q, 1, "maximum number of buffers already allocated\n"); return -ENOBUFS; @@ -912,15 +881,12 @@ int vb2_core_create_bufs(struct vb2_queue *q, enum vb2_memory memory, } memset(q->alloc_devs, 0, sizeof(q->alloc_devs)); q->memory = memory; - set_queue_consistency(q, consistent_mem); q->waiting_for_buffers = !q->is_output; } else { if (q->memory != memory) { dprintk(q, 1, "memory model mismatch\n"); return -EINVAL; } - if (!verify_consistency_attr(q, consistent_mem)) - return -EINVAL; } num_buffers = min(*count, VB2_MAX_FRAME - q->num_buffers); @@ -2581,7 +2547,7 @@ static int __vb2_init_fileio(struct vb2_queue *q, int read) fileio->memory = VB2_MEMORY_MMAP; fileio->type = q->type; q->fileio = fileio; - ret = vb2_core_reqbufs(q, fileio->memory, 0, &fileio->count); + ret = vb2_core_reqbufs(q, fileio->memory, &fileio->count); if (ret) goto err_kfree; @@ -2638,7 +2604,7 @@ static int __vb2_init_fileio(struct vb2_queue *q, int read) err_reqbufs: fileio->count = 0; - vb2_core_reqbufs(q, fileio->memory, 0, &fileio->count); + vb2_core_reqbufs(q, fileio->memory, &fileio->count); err_kfree: q->fileio = NULL; @@ -2658,7 +2624,7 @@ static int __vb2_cleanup_fileio(struct vb2_queue *q) vb2_core_streamoff(q, q->type); q->fileio = NULL; fileio->count = 0; - vb2_core_reqbufs(q, fileio->memory, 0, &fileio->count); + vb2_core_reqbufs(q, fileio->memory, &fileio->count); kfree(fileio); dprintk(q, 3, "file io emulator closed\n"); } diff --git a/drivers/media/common/videobuf2/videobuf2-dma-contig.c b/drivers/media/common/videobuf2/videobuf2-dma-contig.c index ec3446cc45b8da..7b1b86ec942d7d 100644 --- a/drivers/media/common/videobuf2/videobuf2-dma-contig.c +++ b/drivers/media/common/videobuf2/videobuf2-dma-contig.c @@ -42,11 +42,6 @@ struct vb2_dc_buf { struct dma_buf_attachment *db_attach; }; -static inline bool vb2_dc_buffer_consistent(unsigned long attr) -{ - return !(attr & DMA_ATTR_NON_CONSISTENT); -} - /*********************************************/ /* scatterlist table functions */ /*********************************************/ @@ -341,13 +336,6 @@ static int vb2_dc_dmabuf_ops_begin_cpu_access(struct dma_buf *dbuf, enum dma_data_direction direction) { - struct vb2_dc_buf *buf = dbuf->priv; - struct sg_table *sgt = buf->dma_sgt; - - if (vb2_dc_buffer_consistent(buf->attrs)) - return 0; - - dma_sync_sg_for_cpu(buf->dev, sgt->sgl, sgt->nents, buf->dma_dir); return 0; } @@ -355,13 +343,6 @@ static int vb2_dc_dmabuf_ops_end_cpu_access(struct dma_buf *dbuf, enum dma_data_direction direction) { - struct vb2_dc_buf *buf = dbuf->priv; - struct sg_table *sgt = buf->dma_sgt; - - if (vb2_dc_buffer_consistent(buf->attrs)) - return 0; - - dma_sync_sg_for_device(buf->dev, sgt->sgl, sgt->nents, buf->dma_dir); return 0; } diff --git a/drivers/media/common/videobuf2/videobuf2-dma-sg.c b/drivers/media/common/videobuf2/videobuf2-dma-sg.c index 0a40e00f0d7e5c..a86fce5d8ea8bf 100644 --- a/drivers/media/common/videobuf2/videobuf2-dma-sg.c +++ b/drivers/media/common/videobuf2/videobuf2-dma-sg.c @@ -123,8 +123,7 @@ static void *vb2_dma_sg_alloc(struct device *dev, unsigned long dma_attrs, /* * NOTE: dma-sg allocates memory using the page allocator directly, so * there is no memory consistency guarantee, hence dma-sg ignores DMA - * attributes passed from the upper layer. That means that - * V4L2_FLAG_MEMORY_NON_CONSISTENT has no effect on dma-sg buffers. + * attributes passed from the upper layer. */ buf->pages = kvmalloc_array(buf->num_pages, sizeof(struct page *), GFP_KERNEL | __GFP_ZERO); diff --git a/drivers/media/common/videobuf2/videobuf2-v4l2.c b/drivers/media/common/videobuf2/videobuf2-v4l2.c index 30caad27281e1a..cfe197df970df2 100644 --- a/drivers/media/common/videobuf2/videobuf2-v4l2.c +++ b/drivers/media/common/videobuf2/videobuf2-v4l2.c @@ -722,22 +722,12 @@ static void fill_buf_caps(struct vb2_queue *q, u32 *caps) #endif } -static void clear_consistency_attr(struct vb2_queue *q, - int memory, - unsigned int *flags) -{ - if (!q->allow_cache_hints || memory != V4L2_MEMORY_MMAP) - *flags &= ~V4L2_FLAG_MEMORY_NON_CONSISTENT; -} - int vb2_reqbufs(struct vb2_queue *q, struct v4l2_requestbuffers *req) { int ret = vb2_verify_memory_type(q, req->memory, req->type); fill_buf_caps(q, &req->capabilities); - clear_consistency_attr(q, req->memory, &req->flags); - return ret ? ret : vb2_core_reqbufs(q, req->memory, - req->flags, &req->count); + return ret ? ret : vb2_core_reqbufs(q, req->memory, &req->count); } EXPORT_SYMBOL_GPL(vb2_reqbufs); @@ -769,7 +759,6 @@ int vb2_create_bufs(struct vb2_queue *q, struct v4l2_create_buffers *create) unsigned i; fill_buf_caps(q, &create->capabilities); - clear_consistency_attr(q, create->memory, &create->flags); create->index = q->num_buffers; if (create->count == 0) return ret != -EBUSY ? ret : 0; @@ -813,7 +802,6 @@ int vb2_create_bufs(struct vb2_queue *q, struct v4l2_create_buffers *create) if (requested_sizes[i] == 0) return -EINVAL; return ret ? ret : vb2_core_create_bufs(q, create->memory, - create->flags, &create->count, requested_planes, requested_sizes); @@ -998,12 +986,11 @@ int vb2_ioctl_reqbufs(struct file *file, void *priv, int res = vb2_verify_memory_type(vdev->queue, p->memory, p->type); fill_buf_caps(vdev->queue, &p->capabilities); - clear_consistency_attr(vdev->queue, p->memory, &p->flags); if (res) return res; if (vb2_queue_is_busy(vdev, file)) return -EBUSY; - res = vb2_core_reqbufs(vdev->queue, p->memory, p->flags, &p->count); + res = vb2_core_reqbufs(vdev->queue, p->memory, &p->count); /* If count == 0, then the owner has released all buffers and he is no longer owner of the queue. Otherwise we have a new owner. */ if (res == 0) @@ -1021,7 +1008,6 @@ int vb2_ioctl_create_bufs(struct file *file, void *priv, p->index = vdev->queue->num_buffers; fill_buf_caps(vdev->queue, &p->capabilities); - clear_consistency_attr(vdev->queue, p->memory, &p->flags); /* * If count == 0, then just check if memory and type are valid. * Any -EBUSY result from vb2_verify_memory_type can be mapped to 0. diff --git a/drivers/media/dvb-core/dvb_net.c b/drivers/media/dvb-core/dvb_net.c index 630509ecee2051..89620da983bab0 100644 --- a/drivers/media/dvb-core/dvb_net.c +++ b/drivers/media/dvb-core/dvb_net.c @@ -546,7 +546,7 @@ static int dvb_net_ule_new_payload(struct dvb_net_ule_handle *h) h->priv->ule_sndu_type_1 = 1; h->ts_remain -= 1; h->from_where += 1; - /* fallthrough */ + fallthrough; case 0: h->new_ts = 1; h->ts += TS_SZ; diff --git a/drivers/media/dvb-core/dvb_vb2.c b/drivers/media/dvb-core/dvb_vb2.c index 959d110407a45c..6974f173152943 100644 --- a/drivers/media/dvb-core/dvb_vb2.c +++ b/drivers/media/dvb-core/dvb_vb2.c @@ -342,7 +342,7 @@ int dvb_vb2_reqbufs(struct dvb_vb2_ctx *ctx, struct dmx_requestbuffers *req) ctx->buf_siz = req->size; ctx->buf_cnt = req->count; - ret = vb2_core_reqbufs(&ctx->vb_q, VB2_MEMORY_MMAP, 0, &req->count); + ret = vb2_core_reqbufs(&ctx->vb_q, VB2_MEMORY_MMAP, &req->count); if (ret) { ctx->state = DVB_VB2_STATE_NONE; dprintk(1, "[%s] count=%d size=%d errno=%d\n", ctx->name, diff --git a/drivers/media/dvb-frontends/bcm3510.c b/drivers/media/dvb-frontends/bcm3510.c index e92542b92d3492..da0ff7b44da41a 100644 --- a/drivers/media/dvb-frontends/bcm3510.c +++ b/drivers/media/dvb-frontends/bcm3510.c @@ -773,7 +773,7 @@ static int bcm3510_init(struct dvb_frontend* fe) deb_info("attempting to download firmware\n"); if ((ret = bcm3510_init_cold(st)) < 0) return ret; - /* fall-through */ + fallthrough; case JDEC_EEPROM_LOAD_WAIT: deb_info("firmware is loaded\n"); bcm3510_check_firmware_version(st); diff --git a/drivers/media/dvb-frontends/dib0090.c b/drivers/media/dvb-frontends/dib0090.c index bc374750529b72..08a85831e917f3 100644 --- a/drivers/media/dvb-frontends/dib0090.c +++ b/drivers/media/dvb-frontends/dib0090.c @@ -1693,7 +1693,7 @@ static int dib0090_dc_offset_calibration(struct dib0090_state *state, enum front if (state->identity.p1g) state->dc = dc_p1g_table; - /* fall through */ + fallthrough; case CT_TUNER_STEP_0: dprintk("Start/continue DC calibration for %s path\n", (state->dc->i == 1) ? "I" : "Q"); diff --git a/drivers/media/dvb-frontends/dib3000mb.c b/drivers/media/dvb-frontends/dib3000mb.c index 0f0480d8576d77..a6c2fc4586eb36 100644 --- a/drivers/media/dvb-frontends/dib3000mb.c +++ b/drivers/media/dvb-frontends/dib3000mb.c @@ -224,7 +224,7 @@ static int dib3000mb_set_frontend(struct dvb_frontend *fe, int tuner) switch (c->hierarchy) { case HIERARCHY_NONE: deb_setf("hierarchy: none\n"); - /* fall through */ + fallthrough; case HIERARCHY_1: deb_setf("hierarchy: alpha=1\n"); wr(DIB3000MB_REG_VIT_ALPHA, DIB3000_ALPHA_1); diff --git a/drivers/media/dvb-frontends/dib7000p.c b/drivers/media/dvb-frontends/dib7000p.c index 0a7790c4bad39c..55bee50aa8716e 100644 --- a/drivers/media/dvb-frontends/dib7000p.c +++ b/drivers/media/dvb-frontends/dib7000p.c @@ -276,7 +276,7 @@ static int dib7000p_set_power_mode(struct dib7000p_state *state, enum dib7000p_p if (state->version != SOC7090) reg_1280 &= ~((1 << 11)); reg_1280 &= ~(1 << 6); - /* fall-through */ + fallthrough; case DIB7000P_POWER_INTERFACE_ONLY: /* just leave power on the control-interfaces: GPIO and (I2C or SDIO) */ /* TODO power up either SDIO or I2C */ diff --git a/drivers/media/dvb-frontends/drx39xyj/drxj.c b/drivers/media/dvb-frontends/drx39xyj/drxj.c index 5de016412c4299..237b9d04c07661 100644 --- a/drivers/media/dvb-frontends/drx39xyj/drxj.c +++ b/drivers/media/dvb-frontends/drx39xyj/drxj.c @@ -2306,7 +2306,7 @@ hi_command(struct i2c_device_addr *dev_addr, const struct drxj_hi_cmd *cmd, u16 pr_err("error %d\n", rc); goto rw_error; } - /* fallthrough */ + fallthrough; case SIO_HI_RA_RAM_CMD_BRDCTRL: rc = drxj_dap_write_reg16(dev_addr, SIO_HI_RA_RAM_PAR_2__A, cmd->param2, 0); if (rc != 0) { @@ -2318,7 +2318,7 @@ hi_command(struct i2c_device_addr *dev_addr, const struct drxj_hi_cmd *cmd, u16 pr_err("error %d\n", rc); goto rw_error; } - /* fallthrough */ + fallthrough; case SIO_HI_RA_RAM_CMD_NULL: /* No parameters */ break; @@ -2841,7 +2841,7 @@ ctrl_set_cfg_mpeg_output(struct drx_demod_instance *demod, struct drx_cfg_mpeg_o /* coef = 188/204 */ max_bit_rate = (ext_attr->curr_symbol_rate / 8) * nr_bits * 188; - /* fall-through - as b/c Annex A/C need following settings */ + fallthrough; /* as b/c Annex A/C need following settings */ case DRX_STANDARD_ITU_B: rc = drxj_dap_write_reg16(dev_addr, FEC_OC_FCT_USAGE__A, FEC_OC_FCT_USAGE__PRE, 0); if (rc != 0) { @@ -3555,8 +3555,8 @@ static int ctrl_set_uio_cfg(struct drx_demod_instance *demod, struct drxuio_cfg if (!ext_attr->has_smatx) return -EIO; switch (uio_cfg->mode) { - case DRX_UIO_MODE_FIRMWARE_SMA: /* fall through */ - case DRX_UIO_MODE_FIRMWARE_SAW: /* fall through */ + case DRX_UIO_MODE_FIRMWARE_SMA: + case DRX_UIO_MODE_FIRMWARE_SAW: case DRX_UIO_MODE_READWRITE: ext_attr->uio_sma_tx_mode = uio_cfg->mode; break; @@ -3579,7 +3579,7 @@ static int ctrl_set_uio_cfg(struct drx_demod_instance *demod, struct drxuio_cfg if (!ext_attr->has_smarx) return -EIO; switch (uio_cfg->mode) { - case DRX_UIO_MODE_FIRMWARE0: /* fall through */ + case DRX_UIO_MODE_FIRMWARE0: case DRX_UIO_MODE_READWRITE: ext_attr->uio_sma_rx_mode = uio_cfg->mode; break; @@ -3603,7 +3603,7 @@ static int ctrl_set_uio_cfg(struct drx_demod_instance *demod, struct drxuio_cfg if (!ext_attr->has_gpio) return -EIO; switch (uio_cfg->mode) { - case DRX_UIO_MODE_FIRMWARE0: /* fall through */ + case DRX_UIO_MODE_FIRMWARE0: case DRX_UIO_MODE_READWRITE: ext_attr->uio_gpio_mode = uio_cfg->mode; break; @@ -3639,7 +3639,7 @@ static int ctrl_set_uio_cfg(struct drx_demod_instance *demod, struct drxuio_cfg } ext_attr->uio_irqn_mode = uio_cfg->mode; break; - case DRX_UIO_MODE_FIRMWARE0: /* fall through */ + case DRX_UIO_MODE_FIRMWARE0: default: return -EINVAL; break; @@ -4004,31 +4004,36 @@ static int scu_command(struct i2c_device_addr *dev_addr, struct drxjscu_cmd *cmd if (rc != 0) { pr_err("error %d\n", rc); goto rw_error; - } /* fallthrough */ + } + fallthrough; case 4: rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_PARAM_3__A, *(cmd->parameter + 3), 0); if (rc != 0) { pr_err("error %d\n", rc); goto rw_error; - } /* fallthrough */ + } + fallthrough; case 3: rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_PARAM_2__A, *(cmd->parameter + 2), 0); if (rc != 0) { pr_err("error %d\n", rc); goto rw_error; - } /* fallthrough */ + } + fallthrough; case 2: rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_PARAM_1__A, *(cmd->parameter + 1), 0); if (rc != 0) { pr_err("error %d\n", rc); goto rw_error; - } /* fallthrough */ + } + fallthrough; case 1: rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_PARAM_0__A, *(cmd->parameter + 0), 0); if (rc != 0) { pr_err("error %d\n", rc); goto rw_error; - } /* fallthrough */ + } + fallthrough; case 0: /* do nothing */ break; @@ -4068,25 +4073,29 @@ static int scu_command(struct i2c_device_addr *dev_addr, struct drxjscu_cmd *cmd if (rc != 0) { pr_err("error %d\n", rc); goto rw_error; - } /* fallthrough */ + } + fallthrough; case 3: rc = drxj_dap_read_reg16(dev_addr, SCU_RAM_PARAM_2__A, cmd->result + 2, 0); if (rc != 0) { pr_err("error %d\n", rc); goto rw_error; - } /* fallthrough */ + } + fallthrough; case 2: rc = drxj_dap_read_reg16(dev_addr, SCU_RAM_PARAM_1__A, cmd->result + 1, 0); if (rc != 0) { pr_err("error %d\n", rc); goto rw_error; - } /* fallthrough */ + } + fallthrough; case 1: rc = drxj_dap_read_reg16(dev_addr, SCU_RAM_PARAM_0__A, cmd->result + 0, 0); if (rc != 0) { pr_err("error %d\n", rc); goto rw_error; - } /* fallthrough */ + } + fallthrough; case 0: /* do nothing */ break; @@ -4791,7 +4800,7 @@ set_frequency(struct drx_demod_instance *demod, Sound carrier is already 3Mhz above centre frequency due to tuner setting so now add an extra shift of 1MHz... */ fm_frequency_shift = 1000; - /*fall through */ + fallthrough; case DRX_STANDARD_ITU_B: case DRX_STANDARD_NTSC: case DRX_STANDARD_PAL_SECAM_BG: @@ -10475,11 +10484,11 @@ ctrl_set_channel(struct drx_demod_instance *demod, struct drx_channel *channel) (standard == DRX_STANDARD_NTSC)) { switch (channel->bandwidth) { case DRX_BANDWIDTH_6MHZ: - case DRX_BANDWIDTH_UNKNOWN: /* fall through */ + case DRX_BANDWIDTH_UNKNOWN: channel->bandwidth = DRX_BANDWIDTH_6MHZ; break; - case DRX_BANDWIDTH_8MHZ: /* fall through */ - case DRX_BANDWIDTH_7MHZ: /* fall through */ + case DRX_BANDWIDTH_8MHZ: + case DRX_BANDWIDTH_7MHZ: default: return -EINVAL; } @@ -10511,10 +10520,10 @@ ctrl_set_channel(struct drx_demod_instance *demod, struct drx_channel *channel) } switch (channel->constellation) { - case DRX_CONSTELLATION_QAM16: /* fall through */ - case DRX_CONSTELLATION_QAM32: /* fall through */ - case DRX_CONSTELLATION_QAM64: /* fall through */ - case DRX_CONSTELLATION_QAM128: /* fall through */ + case DRX_CONSTELLATION_QAM16: + case DRX_CONSTELLATION_QAM32: + case DRX_CONSTELLATION_QAM64: + case DRX_CONSTELLATION_QAM128: case DRX_CONSTELLATION_QAM256: bandwidth_temp = channel->symbolrate * bw_rolloff_factor; bandwidth = bandwidth_temp / 100; @@ -10628,8 +10637,8 @@ ctrl_set_channel(struct drx_demod_instance *demod, struct drx_channel *channel) } break; #ifndef DRXJ_VSB_ONLY - case DRX_STANDARD_ITU_A: /* fallthrough */ - case DRX_STANDARD_ITU_B: /* fallthrough */ + case DRX_STANDARD_ITU_A: + case DRX_STANDARD_ITU_B: case DRX_STANDARD_ITU_C: rc = set_qam_channel(demod, channel, tuner_freq_offset); if (rc != 0) { @@ -10820,7 +10829,7 @@ ctrl_lock_status(struct drx_demod_instance *demod, enum drx_lock_status *lock_st SCU_RAM_COMMAND_CMD_DEMOD_GET_LOCK; break; #endif - case DRX_STANDARD_UNKNOWN: /* fallthrough */ + case DRX_STANDARD_UNKNOWN: default: return -EIO; } @@ -10888,8 +10897,8 @@ ctrl_set_standard(struct drx_demod_instance *demod, enum drx_standard *standard) */ switch (prev_standard) { #ifndef DRXJ_VSB_ONLY - case DRX_STANDARD_ITU_A: /* fallthrough */ - case DRX_STANDARD_ITU_B: /* fallthrough */ + case DRX_STANDARD_ITU_A: + case DRX_STANDARD_ITU_B: case DRX_STANDARD_ITU_C: rc = power_down_qam(demod, false); if (rc != 0) { @@ -10908,7 +10917,7 @@ ctrl_set_standard(struct drx_demod_instance *demod, enum drx_standard *standard) case DRX_STANDARD_UNKNOWN: /* Do nothing */ break; - case DRX_STANDARD_AUTO: /* fallthrough */ + case DRX_STANDARD_AUTO: default: return -EINVAL; } @@ -10921,8 +10930,8 @@ ctrl_set_standard(struct drx_demod_instance *demod, enum drx_standard *standard) switch (*standard) { #ifndef DRXJ_VSB_ONLY - case DRX_STANDARD_ITU_A: /* fallthrough */ - case DRX_STANDARD_ITU_B: /* fallthrough */ + case DRX_STANDARD_ITU_A: + case DRX_STANDARD_ITU_B: case DRX_STANDARD_ITU_C: do { u16 dummy; @@ -11111,12 +11120,12 @@ ctrl_power_mode(struct drx_demod_instance *demod, enum drx_power_mode *mode) goto rw_error; } break; - case DRX_STANDARD_PAL_SECAM_BG: /* fallthrough */ - case DRX_STANDARD_PAL_SECAM_DK: /* fallthrough */ - case DRX_STANDARD_PAL_SECAM_I: /* fallthrough */ - case DRX_STANDARD_PAL_SECAM_L: /* fallthrough */ - case DRX_STANDARD_PAL_SECAM_LP: /* fallthrough */ - case DRX_STANDARD_NTSC: /* fallthrough */ + case DRX_STANDARD_PAL_SECAM_BG: + case DRX_STANDARD_PAL_SECAM_DK: + case DRX_STANDARD_PAL_SECAM_I: + case DRX_STANDARD_PAL_SECAM_L: + case DRX_STANDARD_PAL_SECAM_LP: + case DRX_STANDARD_NTSC: case DRX_STANDARD_FM: rc = power_down_atv(demod, ext_attr->standard, true); if (rc != 0) { @@ -11127,7 +11136,7 @@ ctrl_power_mode(struct drx_demod_instance *demod, enum drx_power_mode *mode) case DRX_STANDARD_UNKNOWN: /* Do nothing */ break; - case DRX_STANDARD_AUTO: /* fallthrough */ + case DRX_STANDARD_AUTO: default: return -EIO; } @@ -11220,8 +11229,8 @@ ctrl_set_cfg_pre_saw(struct drx_demod_instance *demod, struct drxj_cfg_pre_saw * ext_attr->vsb_pre_saw_cfg = *pre_saw; break; #ifndef DRXJ_VSB_ONLY - case DRX_STANDARD_ITU_A: /* fallthrough */ - case DRX_STANDARD_ITU_B: /* fallthrough */ + case DRX_STANDARD_ITU_A: + case DRX_STANDARD_ITU_B: case DRX_STANDARD_ITU_C: ext_attr->qam_pre_saw_cfg = *pre_saw; break; @@ -11264,10 +11273,10 @@ ctrl_set_cfg_afe_gain(struct drx_demod_instance *demod, struct drxj_cfg_afe_gain ext_attr = (struct drxj_data *) demod->my_ext_attr; switch (afe_gain->standard) { - case DRX_STANDARD_8VSB: /* fallthrough */ + case DRX_STANDARD_8VSB: fallthrough; #ifndef DRXJ_VSB_ONLY - case DRX_STANDARD_ITU_A: /* fallthrough */ - case DRX_STANDARD_ITU_B: /* fallthrough */ + case DRX_STANDARD_ITU_A: + case DRX_STANDARD_ITU_B: case DRX_STANDARD_ITU_C: #endif /* Do nothing */ @@ -11301,8 +11310,8 @@ ctrl_set_cfg_afe_gain(struct drx_demod_instance *demod, struct drxj_cfg_afe_gain ext_attr->vsb_pga_cfg = gain * 13 + 140; break; #ifndef DRXJ_VSB_ONLY - case DRX_STANDARD_ITU_A: /* fallthrough */ - case DRX_STANDARD_ITU_B: /* fallthrough */ + case DRX_STANDARD_ITU_A: + case DRX_STANDARD_ITU_B: case DRX_STANDARD_ITU_C: ext_attr->qam_pga_cfg = gain * 13 + 140; break; diff --git a/drivers/media/dvb-frontends/drxd_hard.c b/drivers/media/dvb-frontends/drxd_hard.c index fae6f3763364aa..45f9828639042c 100644 --- a/drivers/media/dvb-frontends/drxd_hard.c +++ b/drivers/media/dvb-frontends/drxd_hard.c @@ -1512,14 +1512,14 @@ static int SetDeviceTypeId(struct drxd_state *state) switch (deviceId) { case 4: state->diversity = 1; - /* fall through */ + fallthrough; case 3: case 7: state->PGA = 1; break; case 6: state->diversity = 1; - /* fall through */ + fallthrough; case 5: case 8: break; @@ -1966,7 +1966,7 @@ static int DRX_Start(struct drxd_state *state, s32 off) switch (p->transmission_mode) { default: /* Not set, detect it automatically */ operationMode |= SC_RA_RAM_OP_AUTO_MODE__M; - /* fall through - try first guess DRX_FFTMODE_8K */ + fallthrough; /* try first guess DRX_FFTMODE_8K */ case TRANSMISSION_MODE_8K: transmissionParams |= SC_RA_RAM_OP_PARAM_MODE_8K; if (state->type_A) { @@ -2139,7 +2139,7 @@ static int DRX_Start(struct drxd_state *state, s32 off) switch (p->modulation) { default: operationMode |= SC_RA_RAM_OP_AUTO_CONST__M; - /* fall through - try first guess DRX_CONSTELLATION_QAM64 */ + fallthrough; /* try first guess DRX_CONSTELLATION_QAM64 */ case QAM_64: transmissionParams |= SC_RA_RAM_OP_PARAM_CONST_QAM64; if (state->type_A) { @@ -2266,7 +2266,7 @@ static int DRX_Start(struct drxd_state *state, s32 off) break; default: operationMode |= SC_RA_RAM_OP_AUTO_RATE__M; - /* fall through */ + fallthrough; case FEC_2_3: transmissionParams |= SC_RA_RAM_OP_PARAM_RATE_2_3; if (state->type_A) @@ -2301,7 +2301,7 @@ static int DRX_Start(struct drxd_state *state, s32 off) switch (p->bandwidth_hz) { case 0: p->bandwidth_hz = 8000000; - /* fall through */ + fallthrough; case 8000000: /* (64/7)*(8/8)*1000000 */ bandwidth = DRXD_BANDWIDTH_8MHZ_IN_HZ; diff --git a/drivers/media/dvb-frontends/drxk_hard.c b/drivers/media/dvb-frontends/drxk_hard.c index 0ae9d8c72d8dca..32f9346deb3e98 100644 --- a/drivers/media/dvb-frontends/drxk_hard.c +++ b/drivers/media/dvb-frontends/drxk_hard.c @@ -1756,7 +1756,7 @@ static int setoperation_mode(struct drxk_state *state, goto error; state->m_operation_mode = OM_NONE; break; - case OM_QAM_ITU_A: /* fallthrough */ + case OM_QAM_ITU_A: case OM_QAM_ITU_C: status = mpegts_stop(state); if (status < 0) @@ -1783,7 +1783,7 @@ static int setoperation_mode(struct drxk_state *state, if (status < 0) goto error; break; - case OM_QAM_ITU_A: /* fallthrough */ + case OM_QAM_ITU_A: case OM_QAM_ITU_C: dprintk(1, ": DVB-C Annex %c\n", (state->m_operation_mode == OM_QAM_ITU_A) ? 'A' : 'C'); @@ -2012,7 +2012,7 @@ static int mpegts_dto_setup(struct drxk_state *state, fec_oc_rcn_ctl_rate = 0xC00000; static_clk = state->m_dvbt_static_clk; break; - case OM_QAM_ITU_A: /* fallthrough */ + case OM_QAM_ITU_A: case OM_QAM_ITU_C: fec_oc_tmd_mode = 0x0004; fec_oc_rcn_ctl_rate = 0xD2B4EE; /* good for >63 Mb/s */ @@ -3249,11 +3249,11 @@ static int dvbt_sc_command(struct drxk_state *state, case OFDM_SC_RA_RAM_CMD_SET_PREF_PARAM: case OFDM_SC_RA_RAM_CMD_PROGRAM_PARAM: status |= write16(state, OFDM_SC_RA_RAM_PARAM1__A, param1); - /* fall through - All commands using 1 parameters */ + fallthrough; /* All commands using 1 parameters */ case OFDM_SC_RA_RAM_CMD_SET_ECHO_TIMING: case OFDM_SC_RA_RAM_CMD_USER_IO: status |= write16(state, OFDM_SC_RA_RAM_PARAM0__A, param0); - /* fall through - All commands using 0 parameters */ + fallthrough; /* All commands using 0 parameters */ case OFDM_SC_RA_RAM_CMD_GET_OP_PARAM: case OFDM_SC_RA_RAM_CMD_NULL: /* Write command */ @@ -3761,7 +3761,7 @@ static int set_dvbt(struct drxk_state *state, u16 intermediate_freqk_hz, case TRANSMISSION_MODE_AUTO: default: operation_mode |= OFDM_SC_RA_RAM_OP_AUTO_MODE__M; - /* fall through - try first guess DRX_FFTMODE_8K */ + fallthrough; /* try first guess DRX_FFTMODE_8K */ case TRANSMISSION_MODE_8K: transmission_params |= OFDM_SC_RA_RAM_OP_PARAM_MODE_8K; break; @@ -3775,7 +3775,7 @@ static int set_dvbt(struct drxk_state *state, u16 intermediate_freqk_hz, default: case GUARD_INTERVAL_AUTO: operation_mode |= OFDM_SC_RA_RAM_OP_AUTO_GUARD__M; - /* fall through - try first guess DRX_GUARD_1DIV4 */ + fallthrough; /* try first guess DRX_GUARD_1DIV4 */ case GUARD_INTERVAL_1_4: transmission_params |= OFDM_SC_RA_RAM_OP_PARAM_GUARD_4; break; @@ -3798,7 +3798,7 @@ static int set_dvbt(struct drxk_state *state, u16 intermediate_freqk_hz, operation_mode |= OFDM_SC_RA_RAM_OP_AUTO_HIER__M; /* try first guess SC_RA_RAM_OP_PARAM_HIER_NO */ /* transmission_params |= OFDM_SC_RA_RAM_OP_PARAM_HIER_NO; */ - /* fall through */ + fallthrough; case HIERARCHY_1: transmission_params |= OFDM_SC_RA_RAM_OP_PARAM_HIER_A1; break; @@ -3816,7 +3816,7 @@ static int set_dvbt(struct drxk_state *state, u16 intermediate_freqk_hz, case QAM_AUTO: default: operation_mode |= OFDM_SC_RA_RAM_OP_AUTO_CONST__M; - /* fall through - try first guess DRX_CONSTELLATION_QAM64 */ + fallthrough; /* try first guess DRX_CONSTELLATION_QAM64 */ case QAM_64: transmission_params |= OFDM_SC_RA_RAM_OP_PARAM_CONST_QAM64; break; @@ -3841,7 +3841,7 @@ static int set_dvbt(struct drxk_state *state, u16 intermediate_freqk_hz, WR16(dev_addr, OFDM_EC_SB_PRIOR__A, OFDM_EC_SB_PRIOR_HI)); break; - case DRX_PRIORITY_UNKNOWN: /* fall through */ + case DRX_PRIORITY_UNKNOWN: default: status = -EINVAL; goto error; @@ -3859,7 +3859,7 @@ static int set_dvbt(struct drxk_state *state, u16 intermediate_freqk_hz, case FEC_AUTO: default: operation_mode |= OFDM_SC_RA_RAM_OP_AUTO_RATE__M; - /* fall through - try first guess DRX_CODERATE_2DIV3 */ + fallthrough; /* try first guess DRX_CODERATE_2DIV3 */ case FEC_2_3: transmission_params |= OFDM_SC_RA_RAM_OP_PARAM_RATE_2_3; break; @@ -3893,7 +3893,7 @@ static int set_dvbt(struct drxk_state *state, u16 intermediate_freqk_hz, switch (state->props.bandwidth_hz) { case 0: state->props.bandwidth_hz = 8000000; - /* fall through */ + fallthrough; case 8000000: bandwidth = DRXK_BANDWIDTH_8MHZ_IN_HZ; status = write16(state, OFDM_SC_RA_RAM_SRMM_FIX_FACT_8K__A, diff --git a/drivers/media/dvb-frontends/lgdt3306a.c b/drivers/media/dvb-frontends/lgdt3306a.c index d3c330e035c45e..722576f1732aa7 100644 --- a/drivers/media/dvb-frontends/lgdt3306a.c +++ b/drivers/media/dvb-frontends/lgdt3306a.c @@ -768,7 +768,7 @@ static int lgdt3306a_set_if(struct lgdt3306a_state *state, default: pr_warn("IF=%d KHz is not supported, 3250 assumed\n", if_freq_khz); - /* fallthrough */ + fallthrough; case 3250: /* 3.25Mhz */ nco1 = 0x34; nco2 = 0x00; diff --git a/drivers/media/dvb-frontends/mt352.c b/drivers/media/dvb-frontends/mt352.c index 881897583cf2d8..399d5c519027e8 100644 --- a/drivers/media/dvb-frontends/mt352.c +++ b/drivers/media/dvb-frontends/mt352.c @@ -201,7 +201,7 @@ static int mt352_set_parameters(struct dvb_frontend *fe) if (op->hierarchy == HIERARCHY_AUTO || op->hierarchy == HIERARCHY_NONE) break; - /* fall through */ + fallthrough; default: return -EINVAL; } diff --git a/drivers/media/dvb-frontends/mxl5xx.c b/drivers/media/dvb-frontends/mxl5xx.c index 290b9eab099ff7..4404ace82981ce 100644 --- a/drivers/media/dvb-frontends/mxl5xx.c +++ b/drivers/media/dvb-frontends/mxl5xx.c @@ -739,7 +739,7 @@ static int get_frontend(struct dvb_frontend *fe, default: break; } - /* Fall through */ + fallthrough; case SYS_DVBS: switch ((enum MXL_HYDRA_MODULATION_E) reg_data[DMD_MODULATION_SCHEME_ADDR]) { diff --git a/drivers/media/dvb-frontends/or51132.c b/drivers/media/dvb-frontends/or51132.c index 35a3e47497c272..24de1b11515838 100644 --- a/drivers/media/dvb-frontends/or51132.c +++ b/drivers/media/dvb-frontends/or51132.c @@ -482,7 +482,7 @@ start: switch (reg&0xff) { case 0x06: if (reg & 0x1000) usK = 3 << 24; - /* fall through */ + fallthrough; case 0x43: /* QAM64 */ c = 150204167; break; diff --git a/drivers/media/dvb-frontends/s5h1411.c b/drivers/media/dvb-frontends/s5h1411.c index 89402916d301f4..c1334d7eb44202 100644 --- a/drivers/media/dvb-frontends/s5h1411.c +++ b/drivers/media/dvb-frontends/s5h1411.c @@ -398,7 +398,7 @@ static int s5h1411_set_if_freq(struct dvb_frontend *fe, int KHz) default: dprintk("%s(%d KHz) Invalid, defaulting to 5380\n", __func__, KHz); - /* fall through */ + fallthrough; case 5380: case 44000: s5h1411_writereg(state, S5H1411_I2C_TOP_ADDR, 0x38, 0x1be4); diff --git a/drivers/media/dvb-frontends/zl10353.c b/drivers/media/dvb-frontends/zl10353.c index 2fc6aea580f90b..2a2cf20a73d615 100644 --- a/drivers/media/dvb-frontends/zl10353.c +++ b/drivers/media/dvb-frontends/zl10353.c @@ -201,7 +201,7 @@ static int zl10353_set_parameters(struct dvb_frontend *fe) break; default: c->bandwidth_hz = 8000000; - /* fall through */ + fallthrough; case 8000000: zl10353_single_write(fe, MCLK_RATIO, 0x75); zl10353_single_write(fe, 0x64, 0x36); @@ -258,7 +258,7 @@ static int zl10353_set_parameters(struct dvb_frontend *fe) if (c->hierarchy == HIERARCHY_AUTO || c->hierarchy == HIERARCHY_NONE) break; - /* fall through */ + fallthrough; default: return -EINVAL; } diff --git a/drivers/media/i2c/Kconfig b/drivers/media/i2c/Kconfig index 48ae60a2c6030a..c7ba76fee599a9 100644 --- a/drivers/media/i2c/Kconfig +++ b/drivers/media/i2c/Kconfig @@ -467,7 +467,7 @@ config VIDEO_VPX3220 config VIDEO_MAX9286 tristate "Maxim MAX9286 GMSL deserializer support" depends on I2C && I2C_MUX - depends on OF + depends on OF_GPIO select V4L2_FWNODE select VIDEO_V4L2_SUBDEV_API select MEDIA_CONTROLLER @@ -741,7 +741,7 @@ config VIDEO_HI556 config VIDEO_IMX214 tristate "Sony IMX214 sensor support" depends on GPIOLIB && I2C && VIDEO_V4L2 - depends on V4L2_FWNODE + select V4L2_FWNODE select MEDIA_CONTROLLER select VIDEO_V4L2_SUBDEV_API select REGMAP_I2C diff --git a/drivers/media/pci/cx23885/cx23885-cards.c b/drivers/media/pci/cx23885/cx23885-cards.c index 570a4a09c387a5..03eee606af9152 100644 --- a/drivers/media/pci/cx23885/cx23885-cards.c +++ b/drivers/media/pci/cx23885/cx23885-cards.c @@ -2209,7 +2209,7 @@ void cx23885_card_setup(struct cx23885_dev *dev) ts2->gen_ctrl_val = 0xc; /* Serial bus + punctured clock */ ts2->ts_clk_en_val = 0x1; /* Enable TS_CLK */ ts2->src_sel_val = CX23885_SRC_SEL_PARALLEL_MPEG_VIDEO; - /* fall-through */ + fallthrough; case CX23885_BOARD_DVICO_FUSIONHDTV_5_EXP: ts1->gen_ctrl_val = 0xc; /* Serial bus + punctured clock */ ts1->ts_clk_en_val = 0x1; /* Enable TS_CLK */ @@ -2370,7 +2370,7 @@ void cx23885_card_setup(struct cx23885_dev *dev) /* Currently only enabled for the integrated IR controller */ if (!enable_885_ir) break; - /* fall-through */ + fallthrough; case CX23885_BOARD_HAUPPAUGE_HVR1250: case CX23885_BOARD_HAUPPAUGE_HVR1800: case CX23885_BOARD_HAUPPAUGE_IMPACTVCBE: diff --git a/drivers/media/pci/ddbridge/ddbridge-core.c b/drivers/media/pci/ddbridge/ddbridge-core.c index 7cabb9e9ffe21f..92fe051c672f60 100644 --- a/drivers/media/pci/ddbridge/ddbridge-core.c +++ b/drivers/media/pci/ddbridge/ddbridge-core.c @@ -1310,7 +1310,7 @@ static void dvb_input_detach(struct ddb_input *input) dvb_unregister_frontend(dvb->fe2); if (dvb->fe) dvb_unregister_frontend(dvb->fe); - /* fallthrough */ + fallthrough; case 0x30: dvb_module_release(dvb->i2c_client[0]); dvb->i2c_client[0] = NULL; @@ -1321,22 +1321,22 @@ static void dvb_input_detach(struct ddb_input *input) dvb_frontend_detach(dvb->fe); dvb->fe = NULL; dvb->fe2 = NULL; - /* fallthrough */ + fallthrough; case 0x20: dvb_net_release(&dvb->dvbnet); - /* fallthrough */ + fallthrough; case 0x12: dvbdemux->dmx.remove_frontend(&dvbdemux->dmx, &dvb->hw_frontend); dvbdemux->dmx.remove_frontend(&dvbdemux->dmx, &dvb->mem_frontend); - /* fallthrough */ + fallthrough; case 0x11: dvb_dmxdev_release(&dvb->dmxdev); - /* fallthrough */ + fallthrough; case 0x10: dvb_dmx_release(&dvb->demux); - /* fallthrough */ + fallthrough; case 0x01: break; } @@ -1559,7 +1559,7 @@ static int dvb_input_attach(struct ddb_input *input) osc24 = 0; else osc24 = 1; - /* fall-through */ + fallthrough; case DDB_TUNER_DVBCT2_SONY_P: case DDB_TUNER_DVBC2T2_SONY_P: case DDB_TUNER_ISDBT_SONY_P: @@ -1575,7 +1575,7 @@ static int dvb_input_attach(struct ddb_input *input) break; case DDB_TUNER_DVBC2T2I_SONY: osc24 = 1; - /* fall-through */ + fallthrough; case DDB_TUNER_DVBCT2_SONY: case DDB_TUNER_DVBC2T2_SONY: case DDB_TUNER_ISDBT_SONY: @@ -2036,7 +2036,7 @@ static int ddb_port_attach(struct ddb_port *port) ret = ddb_ci_attach(port, ci_bitrate); if (ret < 0) break; - /* fall-through */ + fallthrough; case DDB_PORT_LOOP: ret = dvb_register_device(port->dvb[0].adap, &port->dvb[0].dev, @@ -2432,7 +2432,8 @@ void ddb_ports_init(struct ddb *dev) ddb_input_init(port, 4 + i, 1, 4 + i); ddb_output_init(port, i); break; - } /* fallthrough */ + } + fallthrough; case DDB_OCTOPUS: ddb_input_init(port, 2 * i, 0, 2 * i); ddb_input_init(port, 2 * i + 1, 1, 2 * i + 1); @@ -3417,7 +3418,7 @@ int ddb_exit_ddbridge(int stage, int error) default: case 2: destroy_workqueue(ddb_wq); - /* fall-through */ + fallthrough; case 1: ddb_class_destroy(); break; diff --git a/drivers/media/pci/meye/meye.c b/drivers/media/pci/meye/meye.c index 7fb3b1853b8721..8944e4bd463826 100644 --- a/drivers/media/pci/meye/meye.c +++ b/drivers/media/pci/meye/meye.c @@ -952,7 +952,7 @@ static int meyeioc_sync(struct file *file, void *fh, int *i) mutex_unlock(&meye.lock); return -EINTR; } - /* fall through */ + fallthrough; case MEYE_BUF_DONE: meye.grab_buffer[*i].state = MEYE_BUF_UNUSED; if (kfifo_out_locked(&meye.doneq, (unsigned char *)&unused, diff --git a/drivers/media/pci/ttpci/av7110.c b/drivers/media/pci/ttpci/av7110.c index bf36b1e22b6357..45228f4f6fc6d9 100644 --- a/drivers/media/pci/ttpci/av7110.c +++ b/drivers/media/pci/ttpci/av7110.c @@ -637,7 +637,7 @@ static void gpioirq(unsigned long cookie) iwdebi(av7110, DEBINOSWAP, RX_BUFF, 0, 2); break; } - /* fall through */ + fallthrough; case DATA_TS_RECORD: case DATA_PES_RECORD: @@ -2176,7 +2176,7 @@ static int frontend_init(struct av7110 *av7110) break; } } - /* fall-thru */ + fallthrough; case 0x0008: // Hauppauge/TT DVB-T // Grundig 29504-401 diff --git a/drivers/media/pci/ttpci/av7110_hw.c b/drivers/media/pci/ttpci/av7110_hw.c index e8a8ec5405e2d2..93ca31e38ddd39 100644 --- a/drivers/media/pci/ttpci/av7110_hw.c +++ b/drivers/media/pci/ttpci/av7110_hw.c @@ -1107,7 +1107,7 @@ int av7110_osd_cmd(struct av7110 *av7110, osd_cmd_t *dc) break; case OSD_SetRow: dc->y1 = dc->y0; - /* fall through */ + fallthrough; case OSD_SetBlock: ret = OSDSetBlock(av7110, dc->x0, dc->y0, dc->x1, dc->y1, dc->color, dc->data); break; diff --git a/drivers/media/pci/ttpci/av7110_ipack.c b/drivers/media/pci/ttpci/av7110_ipack.c index ec528fae7333bd..30330ed01ce885 100644 --- a/drivers/media/pci/ttpci/av7110_ipack.c +++ b/drivers/media/pci/ttpci/av7110_ipack.c @@ -182,7 +182,7 @@ int av7110_ipack_instant_repack (const u8 *buf, int count, struct ipack *p) case DSM_CC_STREAM : case ISO13522_STREAM: p->done = 1; - /* fall through */ + fallthrough; case PRIVATE_STREAM1: case VIDEO_STREAM_S ... VIDEO_STREAM_E: case AUDIO_STREAM_S ... AUDIO_STREAM_E: diff --git a/drivers/media/pci/ttpci/budget-av.c b/drivers/media/pci/ttpci/budget-av.c index 38cac508bd728d..3cb83005cf09b6 100644 --- a/drivers/media/pci/ttpci/budget-av.c +++ b/drivers/media/pci/ttpci/budget-av.c @@ -1226,7 +1226,7 @@ static void frontend_init(struct budget_av *budget_av) * but so far it has been only confirmed for this type */ budget_av->reinitialise_demod = 1; - /* fall through */ + fallthrough; case SUBID_DVBS_KNC1_PLUS: case SUBID_DVBS_EASYWATCH_1: if (saa->pci->subsystem_vendor == 0x1894) { diff --git a/drivers/media/pci/ttpci/budget.c b/drivers/media/pci/ttpci/budget.c index 9c811272abfe73..a88711a3ac7fd1 100644 --- a/drivers/media/pci/ttpci/budget.c +++ b/drivers/media/pci/ttpci/budget.c @@ -613,7 +613,7 @@ static void frontend_init(struct budget *budget) break; } } - /* fall through */ + fallthrough; case 0x1018: // TT Budget-S-1401 (philips tda10086/philips tda8262) { struct dvb_frontend *fe; @@ -638,7 +638,7 @@ static void frontend_init(struct budget *budget) break; } } - /* fall through */ + fallthrough; case 0x101c: { /* TT S2-1600 */ const struct stv6110x_devctl *ctl; diff --git a/drivers/media/platform/sh_vou.c b/drivers/media/platform/sh_vou.c index 36e5f2ff4ef1d2..b22dc1d725276f 100644 --- a/drivers/media/platform/sh_vou.c +++ b/drivers/media/platform/sh_vou.c @@ -220,7 +220,7 @@ static void sh_vou_stream_config(struct sh_vou_device *vou_dev) break; case V4L2_PIX_FMT_RGB565: dataswap ^= 1; - /* fall through */ + fallthrough; case V4L2_PIX_FMT_RGB565X: row_coeff = 2; break; @@ -802,7 +802,7 @@ static u32 sh_vou_ntsc_mode(enum sh_vou_bus_fmt bus_fmt) default: pr_warn("%s(): Invalid bus-format code %d, using default 8-bit\n", __func__, bus_fmt); - /* fall through */ + fallthrough; case SH_VOU_BUS_8BIT: return 1; case SH_VOU_BUS_16BIT: diff --git a/drivers/media/platform/ti-vpe/cal.h b/drivers/media/platform/ti-vpe/cal.h index e496083715d213..4123405ee0cf76 100644 --- a/drivers/media/platform/ti-vpe/cal.h +++ b/drivers/media/platform/ti-vpe/cal.h @@ -226,7 +226,7 @@ static inline void cal_write_field(struct cal_dev *cal, u32 offset, u32 value, u32 val = cal_read(cal, offset); val &= ~mask; - val |= FIELD_PREP(mask, value); + val |= (value << __ffs(mask)) & mask; cal_write(cal, offset, val); } diff --git a/drivers/media/radio/radio-si476x.c b/drivers/media/radio/radio-si476x.c index b203296de9779d..7e246026388291 100644 --- a/drivers/media/radio/radio-si476x.c +++ b/drivers/media/radio/radio-si476x.c @@ -105,7 +105,8 @@ static inline enum phase_diversity_modes_idx si476x_phase_diversity_mode_to_idx(enum si476x_phase_diversity_mode mode) { switch (mode) { - default: /* FALLTHROUGH */ + default: + fallthrough; case SI476X_PHDIV_DISABLED: return SI476X_IDX_PHDIV_DISABLED; case SI476X_PHDIV_PRIMARY_COMBINING: diff --git a/drivers/media/radio/tea575x.c b/drivers/media/radio/tea575x.c index b0303cf0038798..c37315226c427a 100644 --- a/drivers/media/radio/tea575x.c +++ b/drivers/media/radio/tea575x.c @@ -249,7 +249,7 @@ int snd_tea575x_enum_freq_bands(struct snd_tea575x *tea, index = BAND_AM; break; } - /* Fall through */ + fallthrough; default: return -EINVAL; } diff --git a/drivers/media/rc/bpf-lirc.c b/drivers/media/rc/bpf-lirc.c index 5bb144435c1605..3fe3edd8087656 100644 --- a/drivers/media/rc/bpf-lirc.c +++ b/drivers/media/rc/bpf-lirc.c @@ -112,7 +112,7 @@ lirc_mode2_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog) case BPF_FUNC_trace_printk: if (perfmon_capable()) return bpf_get_trace_printk_proto(); - /* fall through */ + fallthrough; default: return NULL; } diff --git a/drivers/media/rc/gpio-ir-tx.c b/drivers/media/rc/gpio-ir-tx.c index f33b443bfa47b0..c6cd2e6d8e654d 100644 --- a/drivers/media/rc/gpio-ir-tx.c +++ b/drivers/media/rc/gpio-ir-tx.c @@ -19,8 +19,6 @@ struct gpio_ir { struct gpio_desc *gpio; unsigned int carrier; unsigned int duty_cycle; - /* we need a spinlock to hold the cpu while transmitting */ - spinlock_t lock; }; static const struct of_device_id gpio_ir_tx_of_match[] = { @@ -53,12 +51,11 @@ static int gpio_ir_tx_set_carrier(struct rc_dev *dev, u32 carrier) static void gpio_ir_tx_unmodulated(struct gpio_ir *gpio_ir, uint *txbuf, uint count) { - unsigned long flags; ktime_t edge; s32 delta; int i; - spin_lock_irqsave(&gpio_ir->lock, flags); + local_irq_disable(); edge = ktime_get(); @@ -72,14 +69,11 @@ static void gpio_ir_tx_unmodulated(struct gpio_ir *gpio_ir, uint *txbuf, } gpiod_set_value(gpio_ir->gpio, 0); - - spin_unlock_irqrestore(&gpio_ir->lock, flags); } static void gpio_ir_tx_modulated(struct gpio_ir *gpio_ir, uint *txbuf, uint count) { - unsigned long flags; ktime_t edge; /* * delta should never exceed 0.5 seconds (IR_MAX_DURATION) and on @@ -95,7 +89,7 @@ static void gpio_ir_tx_modulated(struct gpio_ir *gpio_ir, uint *txbuf, space = DIV_ROUND_CLOSEST((100 - gpio_ir->duty_cycle) * (NSEC_PER_SEC / 100), gpio_ir->carrier); - spin_lock_irqsave(&gpio_ir->lock, flags); + local_irq_disable(); edge = ktime_get(); @@ -128,19 +122,20 @@ static void gpio_ir_tx_modulated(struct gpio_ir *gpio_ir, uint *txbuf, edge = last; } } - - spin_unlock_irqrestore(&gpio_ir->lock, flags); } static int gpio_ir_tx(struct rc_dev *dev, unsigned int *txbuf, unsigned int count) { struct gpio_ir *gpio_ir = dev->priv; + unsigned long flags; + local_irq_save(flags); if (gpio_ir->carrier) gpio_ir_tx_modulated(gpio_ir, txbuf, count); else gpio_ir_tx_unmodulated(gpio_ir, txbuf, count); + local_irq_restore(flags); return count; } @@ -176,7 +171,6 @@ static int gpio_ir_tx_probe(struct platform_device *pdev) gpio_ir->carrier = 38000; gpio_ir->duty_cycle = 50; - spin_lock_init(&gpio_ir->lock); rc = devm_rc_register_device(&pdev->dev, rcdev); if (rc < 0) diff --git a/drivers/media/rc/ir-rc6-decoder.c b/drivers/media/rc/ir-rc6-decoder.c index 95727ca910f715..0cda78f72fd800 100644 --- a/drivers/media/rc/ir-rc6-decoder.c +++ b/drivers/media/rc/ir-rc6-decoder.c @@ -64,7 +64,7 @@ static enum rc6_mode rc6_mode(struct rc6_dec *data) case 6: if (!data->toggle) return RC6_MODE_6A; - /* fall through */ + fallthrough; default: return RC6_MODE_UNKNOWN; } diff --git a/drivers/media/rc/ir-sony-decoder.c b/drivers/media/rc/ir-sony-decoder.c index 9fa58d92eb0972..7d9a7c000c75aa 100644 --- a/drivers/media/rc/ir-sony-decoder.c +++ b/drivers/media/rc/ir-sony-decoder.c @@ -102,7 +102,7 @@ static int ir_sony_decode(struct rc_dev *dev, struct ir_raw_event ev) } data->state = STATE_FINISHED; - /* Fall through */ + fallthrough; case STATE_FINISHED: if (ev.pulse) diff --git a/drivers/media/rc/mceusb.c b/drivers/media/rc/mceusb.c index f9616158bcf44a..98681ba10428b4 100644 --- a/drivers/media/rc/mceusb.c +++ b/drivers/media/rc/mceusb.c @@ -1726,7 +1726,7 @@ static int mceusb_dev_probe(struct usb_interface *intf, goto mem_alloc_fail; ir->pipe_in = pipe; - ir->buf_in = usb_alloc_coherent(dev, maxp, GFP_ATOMIC, &ir->dma_in); + ir->buf_in = usb_alloc_coherent(dev, maxp, GFP_KERNEL, &ir->dma_in); if (!ir->buf_in) goto buf_in_alloc_fail; diff --git a/drivers/media/rc/rc-main.c b/drivers/media/rc/rc-main.c index 7b53066d9d07c2..dee8a9f3d80ac2 100644 --- a/drivers/media/rc/rc-main.c +++ b/drivers/media/rc/rc-main.c @@ -1292,6 +1292,10 @@ static ssize_t store_protocols(struct device *device, } mutex_lock(&dev->lock); + if (!dev->registered) { + mutex_unlock(&dev->lock); + return -ENODEV; + } old_protocols = *current_protocols; new_protocols = old_protocols; @@ -1430,6 +1434,10 @@ static ssize_t store_filter(struct device *device, return -EINVAL; mutex_lock(&dev->lock); + if (!dev->registered) { + mutex_unlock(&dev->lock); + return -ENODEV; + } new_filter = *filter; if (fattr->mask) @@ -1544,6 +1552,10 @@ static ssize_t store_wakeup_protocols(struct device *device, int i; mutex_lock(&dev->lock); + if (!dev->registered) { + mutex_unlock(&dev->lock); + return -ENODEV; + } allowed = dev->allowed_wakeup_protocols; @@ -1601,25 +1613,25 @@ static void rc_dev_release(struct device *device) kfree(dev); } -#define ADD_HOTPLUG_VAR(fmt, val...) \ - do { \ - int err = add_uevent_var(env, fmt, val); \ - if (err) \ - return err; \ - } while (0) - static int rc_dev_uevent(struct device *device, struct kobj_uevent_env *env) { struct rc_dev *dev = to_rc_dev(device); + int ret = 0; - if (dev->rc_map.name) - ADD_HOTPLUG_VAR("NAME=%s", dev->rc_map.name); - if (dev->driver_name) - ADD_HOTPLUG_VAR("DRV_NAME=%s", dev->driver_name); - if (dev->device_name) - ADD_HOTPLUG_VAR("DEV_NAME=%s", dev->device_name); + mutex_lock(&dev->lock); - return 0; + if (!dev->registered) + ret = -ENODEV; + if (ret == 0 && dev->rc_map.name) + ret = add_uevent_var(env, "NAME=%s", dev->rc_map.name); + if (ret == 0 && dev->driver_name) + ret = add_uevent_var(env, "DRV_NAME=%s", dev->driver_name); + if (ret == 0 && dev->device_name) + ret = add_uevent_var(env, "DEV_NAME=%s", dev->device_name); + + mutex_unlock(&dev->lock); + + return ret; } /* @@ -2011,14 +2023,14 @@ void rc_unregister_device(struct rc_dev *dev) del_timer_sync(&dev->timer_keyup); del_timer_sync(&dev->timer_repeat); - rc_free_rx_device(dev); - mutex_lock(&dev->lock); if (dev->users && dev->close) dev->close(dev); dev->registered = false; mutex_unlock(&dev->lock); + rc_free_rx_device(dev); + /* * lirc device should be freed with dev->registered = false, so * that userspace polling will get notified. diff --git a/drivers/media/test-drivers/vicodec/vicodec-core.c b/drivers/media/test-drivers/vicodec/vicodec-core.c index 8941d73f6611db..71928e30dae809 100644 --- a/drivers/media/test-drivers/vicodec/vicodec-core.c +++ b/drivers/media/test-drivers/vicodec/vicodec-core.c @@ -1994,6 +1994,7 @@ static int vicodec_request_validate(struct media_request *req) } ctrl = v4l2_ctrl_request_hdl_ctrl_find(hdl, vicodec_ctrl_stateless_state.id); + v4l2_ctrl_request_hdl_put(hdl); if (!ctrl) { v4l2_info(&ctx->dev->v4l2_dev, "Missing required codec control\n"); diff --git a/drivers/media/tuners/xc5000.c b/drivers/media/tuners/xc5000.c index 734a92caad8d0a..7b7d9fe4f94533 100644 --- a/drivers/media/tuners/xc5000.c +++ b/drivers/media/tuners/xc5000.c @@ -756,7 +756,7 @@ static int xc5000_set_digital_params(struct dvb_frontend *fe) if (!bw) bw = 6000000; /* fall to OFDM handling */ - /* fall through */ + fallthrough; case SYS_DMBTH: case SYS_DVBT: case SYS_DVBT2: diff --git a/drivers/media/usb/b2c2/flexcop-usb.c b/drivers/media/usb/b2c2/flexcop-usb.c index 198ddfb8d2b18e..e3234d1690655c 100644 --- a/drivers/media/usb/b2c2/flexcop-usb.c +++ b/drivers/media/usb/b2c2/flexcop-usb.c @@ -525,7 +525,7 @@ static int flexcop_usb_init(struct flexcop_usb *fc_usb) case USB_SPEED_HIGH: info("running at HIGH speed."); break; - case USB_SPEED_UNKNOWN: /* fall through */ + case USB_SPEED_UNKNOWN: default: err("cannot handle USB speed because it is unknown."); return -ENODEV; diff --git a/drivers/media/usb/cpia2/cpia2_core.c b/drivers/media/usb/cpia2/cpia2_core.c index 20c50c2d042e63..e747548ab28695 100644 --- a/drivers/media/usb/cpia2/cpia2_core.c +++ b/drivers/media/usb/cpia2/cpia2_core.c @@ -165,7 +165,7 @@ int cpia2_do_command(struct camera_data *cam, break; case CPIA2_CMD_SET_VP_BRIGHTNESS: cmd.buffer.block_data[0] = param; - /* fall through */ + fallthrough; case CPIA2_CMD_GET_VP_BRIGHTNESS: cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; cmd.reg_count = 1; @@ -176,7 +176,7 @@ int cpia2_do_command(struct camera_data *cam, break; case CPIA2_CMD_SET_CONTRAST: cmd.buffer.block_data[0] = param; - /* fall through */ + fallthrough; case CPIA2_CMD_GET_CONTRAST: cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; cmd.reg_count = 1; @@ -184,7 +184,7 @@ int cpia2_do_command(struct camera_data *cam, break; case CPIA2_CMD_SET_VP_SATURATION: cmd.buffer.block_data[0] = param; - /* fall through */ + fallthrough; case CPIA2_CMD_GET_VP_SATURATION: cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; cmd.reg_count = 1; @@ -195,7 +195,7 @@ int cpia2_do_command(struct camera_data *cam, break; case CPIA2_CMD_SET_VP_GPIO_DATA: cmd.buffer.block_data[0] = param; - /* fall through */ + fallthrough; case CPIA2_CMD_GET_VP_GPIO_DATA: cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; cmd.reg_count = 1; @@ -203,7 +203,7 @@ int cpia2_do_command(struct camera_data *cam, break; case CPIA2_CMD_SET_VP_GPIO_DIRECTION: cmd.buffer.block_data[0] = param; - /* fall through */ + fallthrough; case CPIA2_CMD_GET_VP_GPIO_DIRECTION: cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; cmd.reg_count = 1; @@ -211,7 +211,7 @@ int cpia2_do_command(struct camera_data *cam, break; case CPIA2_CMD_SET_VC_MP_GPIO_DATA: cmd.buffer.block_data[0] = param; - /* fall through */ + fallthrough; case CPIA2_CMD_GET_VC_MP_GPIO_DATA: cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VC; cmd.reg_count = 1; @@ -219,7 +219,7 @@ int cpia2_do_command(struct camera_data *cam, break; case CPIA2_CMD_SET_VC_MP_GPIO_DIRECTION: cmd.buffer.block_data[0] = param; - /*fall through */ + fallthrough; case CPIA2_CMD_GET_VC_MP_GPIO_DIRECTION: cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VC; cmd.reg_count = 1; @@ -234,7 +234,7 @@ int cpia2_do_command(struct camera_data *cam, break; case CPIA2_CMD_SET_FLICKER_MODES: cmd.buffer.block_data[0] = param; - /* fall through */ + fallthrough; case CPIA2_CMD_GET_FLICKER_MODES: cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; cmd.reg_count = 1; @@ -281,7 +281,7 @@ int cpia2_do_command(struct camera_data *cam, break; case CPIA2_CMD_SET_USER_MODE: cmd.buffer.block_data[0] = param; - /* fall through */ + fallthrough; case CPIA2_CMD_GET_USER_MODE: cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; cmd.reg_count = 1; @@ -301,7 +301,7 @@ int cpia2_do_command(struct camera_data *cam, break; case CPIA2_CMD_SET_WAKEUP: cmd.buffer.block_data[0] = param; - /* fall through */ + fallthrough; case CPIA2_CMD_GET_WAKEUP: cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VC; cmd.reg_count = 1; @@ -309,7 +309,7 @@ int cpia2_do_command(struct camera_data *cam, break; case CPIA2_CMD_SET_PW_CONTROL: cmd.buffer.block_data[0] = param; - /* fall through */ + fallthrough; case CPIA2_CMD_GET_PW_CONTROL: cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VC; cmd.reg_count = 1; @@ -322,7 +322,7 @@ int cpia2_do_command(struct camera_data *cam, break; case CPIA2_CMD_SET_SYSTEM_CTRL: cmd.buffer.block_data[0] = param; - /* fall through */ + fallthrough; case CPIA2_CMD_GET_SYSTEM_CTRL: cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_SYSTEM; @@ -331,7 +331,7 @@ int cpia2_do_command(struct camera_data *cam, break; case CPIA2_CMD_SET_VP_SYSTEM_CTRL: cmd.buffer.block_data[0] = param; - /* fall through */ + fallthrough; case CPIA2_CMD_GET_VP_SYSTEM_CTRL: cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; cmd.reg_count = 1; @@ -339,7 +339,7 @@ int cpia2_do_command(struct camera_data *cam, break; case CPIA2_CMD_SET_VP_EXP_MODES: cmd.buffer.block_data[0] = param; - /* fall through */ + fallthrough; case CPIA2_CMD_GET_VP_EXP_MODES: cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; cmd.reg_count = 1; @@ -347,7 +347,7 @@ int cpia2_do_command(struct camera_data *cam, break; case CPIA2_CMD_SET_DEVICE_CONFIG: cmd.buffer.block_data[0] = param; - /* fall through */ + fallthrough; case CPIA2_CMD_GET_DEVICE_CONFIG: cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; cmd.reg_count = 1; @@ -368,7 +368,7 @@ int cpia2_do_command(struct camera_data *cam, break; case CPIA2_CMD_SET_VC_CONTROL: cmd.buffer.block_data[0] = param; - /* fall through */ + fallthrough; case CPIA2_CMD_GET_VC_CONTROL: cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VC; cmd.reg_count = 1; @@ -403,7 +403,7 @@ int cpia2_do_command(struct camera_data *cam, this register can also affect flicker modes */ cmd.buffer.block_data[0] = param; - /* fall through */ + fallthrough; case CPIA2_CMD_GET_USER_EFFECTS: cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; cmd.reg_count = 1; @@ -1751,7 +1751,7 @@ int cpia2_set_fps(struct camera_data *cam, int framerate) CPIA2_VP_SENSOR_FLAGS_500) { return -EINVAL; } - /* Fall through */ + fallthrough; case CPIA2_VP_FRAMERATE_15: case CPIA2_VP_FRAMERATE_12_5: case CPIA2_VP_FRAMERATE_7_5: diff --git a/drivers/media/usb/cx231xx/cx231xx-video.c b/drivers/media/usb/cx231xx/cx231xx-video.c index d9f953f2d08829..425e470b0fd354 100644 --- a/drivers/media/usb/cx231xx/cx231xx-video.c +++ b/drivers/media/usb/cx231xx/cx231xx-video.c @@ -996,7 +996,7 @@ void cx231xx_v4l2_create_entities(struct cx231xx *dev) /* The DVB core will handle it */ if (dev->tuner_type == TUNER_ABSENT) continue; - /* fall through */ + fallthrough; default: /* just to shut up a gcc warning */ ent->function = MEDIA_ENT_F_CONN_RF; break; diff --git a/drivers/media/usb/dvb-usb/dib0700_devices.c b/drivers/media/usb/dvb-usb/dib0700_devices.c index 4ef3fa98d20f4d..52e648e2713aec 100644 --- a/drivers/media/usb/dvb-usb/dib0700_devices.c +++ b/drivers/media/usb/dvb-usb/dib0700_devices.c @@ -1659,14 +1659,14 @@ static int dib8096_set_param_override(struct dvb_frontend *fe) switch (band) { default: - deb_info("Warning : Rf frequency (%iHz) is not in the supported range, using VHF switch ", fe->dtv_property_cache.frequency); - /* fall through */ + deb_info("Warning : Rf frequency (%iHz) is not in the supported range, using VHF switch ", fe->dtv_property_cache.frequency); + fallthrough; case BAND_VHF: - state->dib8000_ops.set_gpio(fe, 3, 0, 1); - break; + state->dib8000_ops.set_gpio(fe, 3, 0, 1); + break; case BAND_UHF: - state->dib8000_ops.set_gpio(fe, 3, 0, 0); - break; + state->dib8000_ops.set_gpio(fe, 3, 0, 0); + break; } ret = state->set_param_save(fe); diff --git a/drivers/media/usb/dvb-usb/dw2102.c b/drivers/media/usb/dvb-usb/dw2102.c index f96626fe2c0b70..a27a6844032528 100644 --- a/drivers/media/usb/dvb-usb/dw2102.c +++ b/drivers/media/usb/dvb-usb/dw2102.c @@ -1886,12 +1886,12 @@ static int dw2102_load_firmware(struct usb_device *dev, switch (le16_to_cpu(dev->descriptor.idProduct)) { case USB_PID_TEVII_S650: dw2104_properties.rc.core.rc_codes = RC_MAP_TEVII_NEC; - /* fall through */ + fallthrough; case USB_PID_DW2104: reset = 1; dw210x_op_rw(dev, 0xc4, 0x0000, 0, &reset, 1, DW210X_WRITE_MSG); - /* fall through */ + fallthrough; case USB_PID_DW3101: reset = 0; dw210x_op_rw(dev, 0xbf, 0x0040, 0, &reset, 0, @@ -1924,7 +1924,7 @@ static int dw2102_load_firmware(struct usb_device *dev, break; } } - /* fall through */ + fallthrough; case 0x2101: dw210x_op_rw(dev, 0xbc, 0x0030, 0, &reset16[0], 2, DW210X_READ_MSG); diff --git a/drivers/media/v4l2-core/v4l2-compat-ioctl32.c b/drivers/media/v4l2-core/v4l2-compat-ioctl32.c index 593bcf6c373502..a99e82ec9ab60d 100644 --- a/drivers/media/v4l2-core/v4l2-compat-ioctl32.c +++ b/drivers/media/v4l2-core/v4l2-compat-ioctl32.c @@ -246,9 +246,6 @@ struct v4l2_format32 { * @memory: buffer memory type * @format: frame format, for which buffers are requested * @capabilities: capabilities of this buffer type. - * @flags: additional buffer management attributes (ignored unless the - * queue has V4L2_BUF_CAP_SUPPORTS_MMAP_CACHE_HINTS capability and - * configured for MMAP streaming I/O). * @reserved: future extensions */ struct v4l2_create_buffers32 { @@ -257,8 +254,7 @@ struct v4l2_create_buffers32 { __u32 memory; /* enum v4l2_memory */ struct v4l2_format32 format; __u32 capabilities; - __u32 flags; - __u32 reserved[6]; + __u32 reserved[7]; }; static int __bufsize_v4l2_format(struct v4l2_format32 __user *p32, u32 *size) @@ -359,8 +355,7 @@ static int get_v4l2_create32(struct v4l2_create_buffers __user *p64, { if (!access_ok(p32, sizeof(*p32)) || copy_in_user(p64, p32, - offsetof(struct v4l2_create_buffers32, format)) || - assign_in_user(&p64->flags, &p32->flags)) + offsetof(struct v4l2_create_buffers32, format))) return -EFAULT; return __get_v4l2_format32(&p64->format, &p32->format, aux_buf, aux_space); @@ -422,7 +417,6 @@ static int put_v4l2_create32(struct v4l2_create_buffers __user *p64, copy_in_user(p32, p64, offsetof(struct v4l2_create_buffers32, format)) || assign_in_user(&p32->capabilities, &p64->capabilities) || - assign_in_user(&p32->flags, &p64->flags) || copy_in_user(p32->reserved, p64->reserved, sizeof(p64->reserved))) return -EFAULT; return __put_v4l2_format32(&p64->format, &p32->format); diff --git a/drivers/media/v4l2-core/v4l2-ctrls.c b/drivers/media/v4l2-core/v4l2-ctrls.c index 3f3fbcd60cc621..45a2403aa039bc 100644 --- a/drivers/media/v4l2-core/v4l2-ctrls.c +++ b/drivers/media/v4l2-core/v4l2-ctrls.c @@ -2200,7 +2200,7 @@ static int check_range(enum v4l2_ctrl_type type, case V4L2_CTRL_TYPE_BOOLEAN: if (step != 1 || max > 1 || min < 0) return -ERANGE; - /* fall through */ + fallthrough; case V4L2_CTRL_TYPE_U8: case V4L2_CTRL_TYPE_U16: case V4L2_CTRL_TYPE_U32: diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c index a556880f225a5f..eeff398fbdcc17 100644 --- a/drivers/media/v4l2-core/v4l2-ioctl.c +++ b/drivers/media/v4l2-core/v4l2-ioctl.c @@ -782,7 +782,6 @@ static void v4l_print_frmsizeenum(const void *arg, bool write_only) p->stepwise.step_height); break; case V4L2_FRMSIZE_TYPE_CONTINUOUS: - /* fall through */ default: pr_cont("\n"); break; @@ -816,7 +815,6 @@ static void v4l_print_frmivalenum(const void *arg, bool write_only) p->stepwise.step.denominator); break; case V4L2_FRMIVAL_TYPE_CONTINUOUS: - /* fall through */ default: pr_cont("\n"); break; @@ -2044,6 +2042,9 @@ static int v4l_reqbufs(const struct v4l2_ioctl_ops *ops, if (ret) return ret; + + CLEAR_AFTER_FIELD(p, capabilities); + return ops->vidioc_reqbufs(file, fh, p); } @@ -2083,7 +2084,7 @@ static int v4l_create_bufs(const struct v4l2_ioctl_ops *ops, if (ret) return ret; - CLEAR_AFTER_FIELD(create, flags); + CLEAR_AFTER_FIELD(create, capabilities); v4l_sanitize_format(&create->format); @@ -3189,14 +3190,16 @@ static int video_put_user(void __user *arg, void *parg, unsigned int cmd) #ifdef CONFIG_COMPAT_32BIT_TIME case VIDIOC_DQEVENT_TIME32: { struct v4l2_event *ev = parg; - struct v4l2_event_time32 ev32 = { - .type = ev->type, - .pending = ev->pending, - .sequence = ev->sequence, - .timestamp.tv_sec = ev->timestamp.tv_sec, - .timestamp.tv_nsec = ev->timestamp.tv_nsec, - .id = ev->id, - }; + struct v4l2_event_time32 ev32; + + memset(&ev32, 0, sizeof(ev32)); + + ev32.type = ev->type; + ev32.pending = ev->pending; + ev32.sequence = ev->sequence; + ev32.timestamp.tv_sec = ev->timestamp.tv_sec; + ev32.timestamp.tv_nsec = ev->timestamp.tv_nsec; + ev32.id = ev->id; memcpy(&ev32.u, &ev->u, sizeof(ev->u)); memcpy(&ev32.reserved, &ev->reserved, sizeof(ev->reserved)); @@ -3210,21 +3213,23 @@ static int video_put_user(void __user *arg, void *parg, unsigned int cmd) case VIDIOC_DQBUF_TIME32: case VIDIOC_PREPARE_BUF_TIME32: { struct v4l2_buffer *vb = parg; - struct v4l2_buffer_time32 vb32 = { - .index = vb->index, - .type = vb->type, - .bytesused = vb->bytesused, - .flags = vb->flags, - .field = vb->field, - .timestamp.tv_sec = vb->timestamp.tv_sec, - .timestamp.tv_usec = vb->timestamp.tv_usec, - .timecode = vb->timecode, - .sequence = vb->sequence, - .memory = vb->memory, - .m.userptr = vb->m.userptr, - .length = vb->length, - .request_fd = vb->request_fd, - }; + struct v4l2_buffer_time32 vb32; + + memset(&vb32, 0, sizeof(vb32)); + + vb32.index = vb->index; + vb32.type = vb->type; + vb32.bytesused = vb->bytesused; + vb32.flags = vb->flags; + vb32.field = vb->field; + vb32.timestamp.tv_sec = vb->timestamp.tv_sec; + vb32.timestamp.tv_usec = vb->timestamp.tv_usec; + vb32.timecode = vb->timecode; + vb32.sequence = vb->sequence; + vb32.memory = vb->memory; + vb32.m.userptr = vb->m.userptr; + vb32.length = vb->length; + vb32.request_fd = vb->request_fd; if (copy_to_user(arg, &vb32, sizeof(vb32))) return -EFAULT; diff --git a/drivers/media/v4l2-core/videobuf-core.c b/drivers/media/v4l2-core/videobuf-core.c index 5c91fc3e65b504..606a271bdd2ddd 100644 --- a/drivers/media/v4l2-core/videobuf-core.c +++ b/drivers/media/v4l2-core/videobuf-core.c @@ -354,7 +354,7 @@ static void videobuf_status(struct videobuf_queue *q, struct v4l2_buffer *b, break; case VIDEOBUF_ERROR: b->flags |= V4L2_BUF_FLAG_ERROR; - /* fall through */ + fallthrough; case VIDEOBUF_DONE: b->flags |= V4L2_BUF_FLAG_DONE; break; diff --git a/drivers/memory/omap-gpmc.c b/drivers/memory/omap-gpmc.c index f512cbc7a36c5e..ca0097664b1250 100644 --- a/drivers/memory/omap-gpmc.c +++ b/drivers/memory/omap-gpmc.c @@ -313,7 +313,6 @@ static unsigned long gpmc_get_clk_period(int cs, enum gpmc_clk_domain cd) tick_ps *= div; break; case GPMC_CD_FCLK: - /* FALL-THROUGH */ default: break; } diff --git a/drivers/memstick/core/memstick.c b/drivers/memstick/core/memstick.c index 693ee73eb2912c..ef03d6fafc5ce8 100644 --- a/drivers/memstick/core/memstick.c +++ b/drivers/memstick/core/memstick.c @@ -441,6 +441,9 @@ static void memstick_check(struct work_struct *work) } else if (host->card->stop) host->card->stop(host->card); + if (host->removing) + goto out_power_off; + card = memstick_alloc_card(host); if (!card) { @@ -545,6 +548,7 @@ EXPORT_SYMBOL(memstick_add_host); */ void memstick_remove_host(struct memstick_host *host) { + host->removing = 1; flush_workqueue(workqueue); mutex_lock(&host->lock); if (host->card) diff --git a/drivers/memstick/core/ms_block.c b/drivers/memstick/core/ms_block.c index d9ee8e3dc72daa..178954228631d8 100644 --- a/drivers/memstick/core/ms_block.c +++ b/drivers/memstick/core/ms_block.c @@ -371,7 +371,7 @@ again: serial mode), then just fall through */ if (msb_read_int_reg(msb, -1)) return 0; - /* fallthrough */ + fallthrough; case MSB_RP_RECEIVE_INT_REQ_RESULT: intreg = mrq->data[0]; @@ -403,7 +403,7 @@ again: case MSB_RP_RECEIVE_STATUS_REG: msb->regs.status = *(struct ms_status_register *)mrq->data; msb->state = MSB_RP_SEND_OOB_READ; - /* fallthrough */ + fallthrough; case MSB_RP_SEND_OOB_READ: if (!msb_read_regs(msb, @@ -418,7 +418,7 @@ again: msb->regs.extra_data = *(struct ms_extra_data_register *) mrq->data; msb->state = MSB_RP_SEND_READ_DATA; - /* fallthrough */ + fallthrough; case MSB_RP_SEND_READ_DATA: /* Skip that state if we only read the oob */ @@ -518,7 +518,7 @@ again: msb->state = MSB_WB_RECEIVE_INT_REQ; if (msb_read_int_reg(msb, -1)) return 0; - /* fallthrough */ + fallthrough; case MSB_WB_RECEIVE_INT_REQ: intreg = mrq->data[0]; @@ -549,7 +549,7 @@ again: msb->int_polling = false; msb->state = MSB_WB_SEND_WRITE_DATA; - /* fallthrough */ + fallthrough; case MSB_WB_SEND_WRITE_DATA: sg_init_table(sg, ARRAY_SIZE(sg)); @@ -628,7 +628,7 @@ again: msb->state = MSB_SC_RECEIVE_INT_REQ; if (msb_read_int_reg(msb, -1)) return 0; - /* fallthrough */ + fallthrough; case MSB_SC_RECEIVE_INT_REQ: intreg = mrq->data[0]; diff --git a/drivers/memstick/host/jmb38x_ms.c b/drivers/memstick/host/jmb38x_ms.c index 4a6b866b0291cf..e83c3ada9389ea 100644 --- a/drivers/memstick/host/jmb38x_ms.c +++ b/drivers/memstick/host/jmb38x_ms.c @@ -255,11 +255,11 @@ static unsigned int jmb38x_ms_write_data(struct jmb38x_ms_host *host, case 3: host->io_word[0] |= buf[off + 2] << 16; host->io_pos++; - /* fall through */ + fallthrough; case 2: host->io_word[0] |= buf[off + 1] << 8; host->io_pos++; - /* fall through */ + fallthrough; case 1: host->io_word[0] |= buf[off]; host->io_pos++; diff --git a/drivers/memstick/host/tifm_ms.c b/drivers/memstick/host/tifm_ms.c index fc35c74044298a..786e46798da24e 100644 --- a/drivers/memstick/host/tifm_ms.c +++ b/drivers/memstick/host/tifm_ms.c @@ -162,11 +162,11 @@ static unsigned int tifm_ms_write_data(struct tifm_ms *host, case 3: host->io_word |= buf[off + 2] << 16; host->io_pos++; - /* fall through */ + fallthrough; case 2: host->io_word |= buf[off + 1] << 8; host->io_pos++; - /* fall through */ + fallthrough; case 1: host->io_word |= buf[off]; host->io_pos++; diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c index 5216487db4fbea..9903e9660a38dc 100644 --- a/drivers/message/fusion/mptbase.c +++ b/drivers/message/fusion/mptbase.c @@ -642,7 +642,7 @@ mptbase_reply(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req, MPT_FRAME_HDR *reply) freereq = 0; if (event != MPI_EVENT_EVENT_CHANGE) break; - /* fall through */ + fallthrough; case MPI_FUNCTION_CONFIG: case MPI_FUNCTION_SAS_IO_UNIT_CONTROL: ioc->mptbase_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD; @@ -1887,7 +1887,7 @@ mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id) case MPI_MANUFACTPAGE_DEVICEID_FC939X: case MPI_MANUFACTPAGE_DEVICEID_FC949X: ioc->errata_flag_1064 = 1; - /* fall through */ + fallthrough; case MPI_MANUFACTPAGE_DEVICEID_FC909: case MPI_MANUFACTPAGE_DEVICEID_FC929: case MPI_MANUFACTPAGE_DEVICEID_FC919: @@ -1932,7 +1932,7 @@ mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id) pcixcmd &= 0x8F; pci_write_config_byte(pdev, 0x6a, pcixcmd); } - /* fall through */ + fallthrough; case MPI_MANUFACTPAGE_DEVID_1030_53C1035: ioc->bus_type = SPI; diff --git a/drivers/message/fusion/mptsas.c b/drivers/message/fusion/mptsas.c index 6a79cd0ebe2b08..18b91ea1a353f2 100644 --- a/drivers/message/fusion/mptsas.c +++ b/drivers/message/fusion/mptsas.c @@ -4326,7 +4326,7 @@ mptsas_hotplug_work(MPT_ADAPTER *ioc, struct fw_event_work *fw_event, } } mpt_findImVolumes(ioc); - /* fall through */ + fallthrough; case MPTSAS_ADD_DEVICE: memset(&sas_device, 0, sizeof(struct mptsas_devinfo)); diff --git a/drivers/message/fusion/mptscsih.c b/drivers/message/fusion/mptscsih.c index 1491561d2e5c9a..8543f0324d5a82 100644 --- a/drivers/message/fusion/mptscsih.c +++ b/drivers/message/fusion/mptscsih.c @@ -784,7 +784,7 @@ mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr) /* * Allow non-SAS & non-NEXUS_LOSS to drop into below code */ - /* Fall through */ + fallthrough; case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */ /* Linux handles an unsolicited DID_RESET better @@ -881,7 +881,7 @@ mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr) case MPI_IOCSTATUS_SCSI_DATA_OVERRUN: /* 0x0044 */ scsi_set_resid(sc, 0); - /* Fall through */ + fallthrough; case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: /* 0x0040 */ case MPI_IOCSTATUS_SUCCESS: /* 0x0000 */ sc->result = (DID_OK << 16) | scsi_status; diff --git a/drivers/mfd/db8500-prcmu.c b/drivers/mfd/db8500-prcmu.c index a9d9c1cdf546b6..a5983d515db030 100644 --- a/drivers/mfd/db8500-prcmu.c +++ b/drivers/mfd/db8500-prcmu.c @@ -1515,10 +1515,10 @@ static unsigned long dsiclk_rate(u8 n) switch (divsel) { case PRCM_DSI_PLLOUT_SEL_PHI_4: div *= 2; - /* Fall through */ + fallthrough; case PRCM_DSI_PLLOUT_SEL_PHI_2: div *= 2; - /* Fall through */ + fallthrough; case PRCM_DSI_PLLOUT_SEL_PHI: return pll_rate(PRCM_PLLDSI_FREQ, clock_rate(PRCMU_HDMICLK), PLL_RAW) / div; diff --git a/drivers/mfd/iqs62x.c b/drivers/mfd/iqs62x.c index af764bc87d7ceb..761b4ef3a3810d 100644 --- a/drivers/mfd/iqs62x.c +++ b/drivers/mfd/iqs62x.c @@ -136,7 +136,7 @@ static int iqs62x_dev_init(struct iqs62x_core *iqs62x) if (val & IQS620_PROX_SETTINGS_4_SAR_EN) iqs62x->ui_sel = IQS62X_UI_SAR1; - /* fall through */ + fallthrough; case IQS621_PROD_NUM: ret = regmap_write(iqs62x->regmap, IQS620_GLBL_EVENT_MASK, @@ -470,7 +470,7 @@ static irqreturn_t iqs62x_irq(int irq, void *context) case IQS62X_EVENT_UI_LO: event_data.ui_data = get_unaligned_le16(&event_map[i]); - /* fall through */ + fallthrough; case IQS62X_EVENT_UI_HI: case IQS62X_EVENT_NONE: @@ -491,7 +491,7 @@ static irqreturn_t iqs62x_irq(int irq, void *context) case IQS62X_EVENT_HYST: event_map[i] <<= iqs62x->dev_desc->hyst_shift; - /* fall through */ + fallthrough; case IQS62X_EVENT_WHEEL: case IQS62X_EVENT_HALL: diff --git a/drivers/mfd/mfd-core.c b/drivers/mfd/mfd-core.c index c3651f06684fa8..fc00aaccb5f729 100644 --- a/drivers/mfd/mfd-core.c +++ b/drivers/mfd/mfd-core.c @@ -126,10 +126,6 @@ static int mfd_match_of_node_to_dev(struct platform_device *pdev, const __be32 *reg; u64 of_node_addr; - /* Skip devices 'disabled' by Device Tree */ - if (!of_device_is_available(np)) - return -ENODEV; - /* Skip if OF node has previously been allocated to a device */ list_for_each_entry(of_entry, &mfd_of_node_list, list) if (of_entry->np == np) @@ -212,6 +208,12 @@ static int mfd_add_device(struct device *parent, int id, if (IS_ENABLED(CONFIG_OF) && parent->of_node && cell->of_compatible) { for_each_child_of_node(parent->of_node, np) { if (of_device_is_compatible(np, cell->of_compatible)) { + /* Ignore 'disabled' devices error free */ + if (!of_device_is_available(np)) { + ret = 0; + goto fail_alias; + } + ret = mfd_match_of_node_to_dev(pdev, np, cell); if (ret == -EAGAIN) continue; @@ -370,8 +372,6 @@ static int mfd_remove_devices_fn(struct device *dev, void *data) regulator_bulk_unregister_supply_alias(dev, cell->parent_supplies, cell->num_parent_supplies); - kfree(cell); - platform_device_unregister(pdev); return 0; } diff --git a/drivers/mfd/mxs-lradc.c b/drivers/mfd/mxs-lradc.c index 5bef142c483565..111d11fd25aad1 100644 --- a/drivers/mfd/mxs-lradc.c +++ b/drivers/mfd/mxs-lradc.c @@ -172,7 +172,7 @@ static int mxs_lradc_probe(struct platform_device *pdev) MXS_LRADC_TOUCHSCREEN_5WIRE; break; } - /* fall through - to an error message for i.MX23 */ + fallthrough; /* to an error message for i.MX23 */ default: dev_err(&pdev->dev, "Unsupported number of touchscreen wires (%d)\n" diff --git a/drivers/mfd/omap-usb-host.c b/drivers/mfd/omap-usb-host.c index 1e6431cb853602..2a3a240b4619a1 100644 --- a/drivers/mfd/omap-usb-host.c +++ b/drivers/mfd/omap-usb-host.c @@ -308,7 +308,7 @@ static int usbhs_runtime_resume(struct device *dev) i, r); } } - /* Fall through - as HSIC mode needs utmi_clk */ + fallthrough; /* as HSIC mode needs utmi_clk */ case OMAP_EHCI_PORT_MODE_TLL: if (!IS_ERR(omap->utmi_clk[i])) { @@ -344,7 +344,7 @@ static int usbhs_runtime_suspend(struct device *dev) if (!IS_ERR(omap->hsic480m_clk[i])) clk_disable_unprepare(omap->hsic480m_clk[i]); - /* Fall through - as utmi_clks were used in HSIC mode */ + fallthrough; /* as utmi_clks were used in HSIC mode */ case OMAP_EHCI_PORT_MODE_TLL: if (!IS_ERR(omap->utmi_clk[i])) diff --git a/drivers/mfd/rave-sp.c b/drivers/mfd/rave-sp.c index abaab541df19df..545196c85b5ca9 100644 --- a/drivers/mfd/rave-sp.c +++ b/drivers/mfd/rave-sp.c @@ -270,7 +270,7 @@ static void *stuff(unsigned char *dest, const unsigned char *src, size_t n) case RAVE_SP_ETX: case RAVE_SP_DLE: *dest++ = RAVE_SP_DLE; - /* FALLTHROUGH */ + fallthrough; default: *dest++ = byte; } @@ -541,7 +541,7 @@ static int rave_sp_receive_buf(struct serdev_device *serdev, * deframer buffer */ - /* FALLTHROUGH */ + fallthrough; case RAVE_SP_EXPECT_ESCAPED_DATA: if (deframer->length == sizeof(deframer->data)) { diff --git a/drivers/mfd/syscon.c b/drivers/mfd/syscon.c index 75859e49298411..df5cebb372a592 100644 --- a/drivers/mfd/syscon.c +++ b/drivers/mfd/syscon.c @@ -95,7 +95,7 @@ static struct syscon *of_syscon_register(struct device_node *np, bool check_clk) break; default: pr_err("Failed to retrieve valid hwlock: %d\n", ret); - /* fall-through */ + fallthrough; case -EPROBE_DEFER: goto err_regmap; } diff --git a/drivers/misc/eeprom/at24.c b/drivers/misc/eeprom/at24.c index 2591c21b2b5d84..26a23abc053d2c 100644 --- a/drivers/misc/eeprom/at24.c +++ b/drivers/misc/eeprom/at24.c @@ -692,10 +692,6 @@ static int at24_probe(struct i2c_client *client) nvmem_config.word_size = 1; nvmem_config.size = byte_len; - at24->nvmem = devm_nvmem_register(dev, &nvmem_config); - if (IS_ERR(at24->nvmem)) - return PTR_ERR(at24->nvmem); - i2c_set_clientdata(client, at24); err = regulator_enable(at24->vcc_reg); @@ -708,6 +704,13 @@ static int at24_probe(struct i2c_client *client) pm_runtime_set_active(dev); pm_runtime_enable(dev); + at24->nvmem = devm_nvmem_register(dev, &nvmem_config); + if (IS_ERR(at24->nvmem)) { + pm_runtime_disable(dev); + regulator_disable(at24->vcc_reg); + return PTR_ERR(at24->nvmem); + } + /* * Perform a one-byte test read to verify that the * chip is functional. diff --git a/drivers/misc/eeprom/at25.c b/drivers/misc/eeprom/at25.c index cde9a2fc132506..ed8d38b0992511 100644 --- a/drivers/misc/eeprom/at25.c +++ b/drivers/misc/eeprom/at25.c @@ -90,10 +90,10 @@ static int at25_ee_read(void *priv, unsigned int offset, switch (at25->addrlen) { default: /* case 3 */ *cp++ = offset >> 16; - /* fall through */ + fallthrough; case 2: *cp++ = offset >> 8; - /* fall through */ + fallthrough; case 1: case 0: /* can't happen: for better codegen */ *cp++ = offset >> 0; @@ -178,10 +178,10 @@ static int at25_ee_write(void *priv, unsigned int off, void *val, size_t count) switch (at25->addrlen) { default: /* case 3 */ *cp++ = offset >> 16; - /* fall through */ + fallthrough; case 2: *cp++ = offset >> 8; - /* fall through */ + fallthrough; case 1: case 0: /* can't happen: for better codegen */ *cp++ = offset >> 0; @@ -278,7 +278,7 @@ static int at25_fw_to_chip(struct device *dev, struct spi_eeprom *chip) switch (val) { case 9: chip->flags |= EE_INSTR_BIT3_IS_ADDR; - /* fall through */ + fallthrough; case 8: chip->flags |= EE_ADDR1; break; diff --git a/drivers/misc/habanalabs/common/command_buffer.c b/drivers/misc/habanalabs/common/command_buffer.c index 7c38c4f7f9c02b..a8004911c9771a 100644 --- a/drivers/misc/habanalabs/common/command_buffer.c +++ b/drivers/misc/habanalabs/common/command_buffer.c @@ -10,6 +10,7 @@ #include <linux/mm.h> #include <linux/slab.h> +#include <linux/uaccess.h> #include <linux/genalloc.h> static void cb_fini(struct hl_device *hdev, struct hl_cb *cb) @@ -300,7 +301,7 @@ int hl_cb_mmap(struct hl_fpriv *hpriv, struct vm_area_struct *vma) struct hl_device *hdev = hpriv->hdev; struct hl_cb *cb; phys_addr_t address; - u32 handle; + u32 handle, user_cb_size; int rc; handle = vma->vm_pgoff; @@ -314,7 +315,8 @@ int hl_cb_mmap(struct hl_fpriv *hpriv, struct vm_area_struct *vma) } /* Validation check */ - if ((vma->vm_end - vma->vm_start) != ALIGN(cb->size, PAGE_SIZE)) { + user_cb_size = vma->vm_end - vma->vm_start; + if (user_cb_size != ALIGN(cb->size, PAGE_SIZE)) { dev_err(hdev->dev, "CB mmap failed, mmap size 0x%lx != 0x%x cb size\n", vma->vm_end - vma->vm_start, cb->size); @@ -322,6 +324,16 @@ int hl_cb_mmap(struct hl_fpriv *hpriv, struct vm_area_struct *vma) goto put_cb; } + if (!access_ok((void __user *) (uintptr_t) vma->vm_start, + user_cb_size)) { + dev_err(hdev->dev, + "user pointer is invalid - 0x%lx\n", + vma->vm_start); + + rc = -EINVAL; + goto put_cb; + } + spin_lock(&cb->lock); if (cb->mmap) { diff --git a/drivers/misc/habanalabs/common/command_submission.c b/drivers/misc/habanalabs/common/command_submission.c index b9840e368eb576..2e3fcbc794db4a 100644 --- a/drivers/misc/habanalabs/common/command_submission.c +++ b/drivers/misc/habanalabs/common/command_submission.c @@ -808,6 +808,14 @@ static int cs_ioctl_signal_wait(struct hl_fpriv *hpriv, enum hl_cs_type cs_type, /* currently it is guaranteed to have only one chunk */ chunk = &cs_chunk_array[0]; + + if (chunk->queue_index >= hdev->asic_prop.max_queues) { + dev_err(hdev->dev, "Queue index %d is invalid\n", + chunk->queue_index); + rc = -EINVAL; + goto free_cs_chunk_array; + } + q_idx = chunk->queue_index; hw_queue_prop = &hdev->asic_prop.hw_queues_props[q_idx]; q_type = hw_queue_prop->type; diff --git a/drivers/misc/habanalabs/common/debugfs.c b/drivers/misc/habanalabs/common/debugfs.c index c50c6fc9e905bc..aa77771635d33f 100644 --- a/drivers/misc/habanalabs/common/debugfs.c +++ b/drivers/misc/habanalabs/common/debugfs.c @@ -19,7 +19,7 @@ static struct dentry *hl_debug_root; static int hl_debugfs_i2c_read(struct hl_device *hdev, u8 i2c_bus, u8 i2c_addr, - u8 i2c_reg, u32 *val) + u8 i2c_reg, long *val) { struct armcp_packet pkt; int rc; @@ -36,7 +36,7 @@ static int hl_debugfs_i2c_read(struct hl_device *hdev, u8 i2c_bus, u8 i2c_addr, pkt.i2c_reg = i2c_reg; rc = hdev->asic_funcs->send_cpu_message(hdev, (u32 *) &pkt, sizeof(pkt), - 0, (long *) val); + 0, val); if (rc) dev_err(hdev->dev, "Failed to read from I2C, error %d\n", rc); @@ -827,7 +827,7 @@ static ssize_t hl_i2c_data_read(struct file *f, char __user *buf, struct hl_dbg_device_entry *entry = file_inode(f)->i_private; struct hl_device *hdev = entry->hdev; char tmp_buf[32]; - u32 val; + long val; ssize_t rc; if (*ppos) @@ -842,7 +842,7 @@ static ssize_t hl_i2c_data_read(struct file *f, char __user *buf, return rc; } - sprintf(tmp_buf, "0x%02x\n", val); + sprintf(tmp_buf, "0x%02lx\n", val); rc = simple_read_from_buffer(buf, count, ppos, tmp_buf, strlen(tmp_buf)); @@ -982,7 +982,7 @@ static ssize_t hl_clk_gate_read(struct file *f, char __user *buf, return 0; sprintf(tmp_buf, "0x%llx\n", hdev->clock_gating_mask); - rc = simple_read_from_buffer(buf, strlen(tmp_buf) + 1, ppos, tmp_buf, + rc = simple_read_from_buffer(buf, count, ppos, tmp_buf, strlen(tmp_buf) + 1); return rc; diff --git a/drivers/misc/habanalabs/common/device.c b/drivers/misc/habanalabs/common/device.c index be16b75bdfdb5b..24b01cce0a3846 100644 --- a/drivers/misc/habanalabs/common/device.c +++ b/drivers/misc/habanalabs/common/device.c @@ -288,7 +288,7 @@ static int device_early_init(struct hl_device *hdev) for (i = 0 ; i < hdev->asic_prop.completion_queues_count ; i++) { snprintf(workq_name, 32, "hl-free-jobs-%u", i); hdev->cq_wq[i] = create_singlethread_workqueue(workq_name); - if (hdev->cq_wq == NULL) { + if (hdev->cq_wq[i] == NULL) { dev_err(hdev->dev, "Failed to allocate CQ workqueue\n"); rc = -ENOMEM; goto free_cq_wq; @@ -1069,7 +1069,7 @@ again: goto out_err; } - hl_set_max_power(hdev, hdev->max_power); + hl_set_max_power(hdev); } else { rc = hdev->asic_funcs->soft_reset_late_init(hdev); if (rc) { @@ -1318,6 +1318,11 @@ int hl_device_init(struct hl_device *hdev, struct class *hclass) goto out_disabled; } + /* Need to call this again because the max power might change, + * depending on card type for certain ASICs + */ + hl_set_max_power(hdev); + /* * hl_hwmon_init() must be called after device_late_init(), because only * there we get the information from the device about which diff --git a/drivers/misc/habanalabs/common/firmware_if.c b/drivers/misc/habanalabs/common/firmware_if.c index f70302cdab1bde..f52bc690dfc5c6 100644 --- a/drivers/misc/habanalabs/common/firmware_if.c +++ b/drivers/misc/habanalabs/common/firmware_if.c @@ -13,6 +13,7 @@ #include <linux/io-64-nonatomic-lo-hi.h> #include <linux/slab.h> +#define FW_FILE_MAX_SIZE 0x1400000 /* maximum size of 20MB */ /** * hl_fw_load_fw_to_device() - Load F/W code to device's memory. * @@ -48,6 +49,14 @@ int hl_fw_load_fw_to_device(struct hl_device *hdev, const char *fw_name, dev_dbg(hdev->dev, "%s firmware size == %zu\n", fw_name, fw_size); + if (fw_size > FW_FILE_MAX_SIZE) { + dev_err(hdev->dev, + "FW file size %zu exceeds maximum of %u bytes\n", + fw_size, FW_FILE_MAX_SIZE); + rc = -EINVAL; + goto out; + } + fw_data = (const u64 *) fw->data; memcpy_toio(dst, fw_data, fw_size); diff --git a/drivers/misc/habanalabs/common/habanalabs.h b/drivers/misc/habanalabs/common/habanalabs.h index 018d9d67e8e6ac..edbd627b29d257 100644 --- a/drivers/misc/habanalabs/common/habanalabs.h +++ b/drivers/misc/habanalabs/common/habanalabs.h @@ -1462,6 +1462,8 @@ struct hl_device_idle_busy_ts { * details. * @in_reset: is device in reset flow. * @curr_pll_profile: current PLL profile. + * @card_type: Various ASICs have several card types. This indicates the card + * type of the current device. * @cs_active_cnt: number of active command submissions on this device (active * means already in H/W queues) * @major: habanalabs kernel driver major. @@ -1566,6 +1568,7 @@ struct hl_device { u64 clock_gating_mask; atomic_t in_reset; enum hl_pll_frequency curr_pll_profile; + enum armcp_card_types card_type; int cs_active_cnt; u32 major; u32 high_pll; @@ -1651,7 +1654,7 @@ struct hl_ioctl_desc { * * Return: true if the area is inside the valid range, false otherwise. */ -static inline bool hl_mem_area_inside_range(u64 address, u32 size, +static inline bool hl_mem_area_inside_range(u64 address, u64 size, u64 range_start_address, u64 range_end_address) { u64 end_address = address + size; @@ -1858,7 +1861,7 @@ int hl_get_pwm_info(struct hl_device *hdev, void hl_set_pwm_info(struct hl_device *hdev, int sensor_index, u32 attr, long value); u64 hl_get_max_power(struct hl_device *hdev); -void hl_set_max_power(struct hl_device *hdev, u64 value); +void hl_set_max_power(struct hl_device *hdev); int hl_set_voltage(struct hl_device *hdev, int sensor_index, u32 attr, long value); int hl_set_current(struct hl_device *hdev, diff --git a/drivers/misc/habanalabs/common/memory.c b/drivers/misc/habanalabs/common/memory.c index dce9273e557a07..5ff4688683fd37 100644 --- a/drivers/misc/habanalabs/common/memory.c +++ b/drivers/misc/habanalabs/common/memory.c @@ -66,6 +66,11 @@ static int alloc_device_memory(struct hl_ctx *ctx, struct hl_mem_in *args, num_pgs = (args->alloc.mem_size + (page_size - 1)) >> page_shift; total_size = num_pgs << page_shift; + if (!total_size) { + dev_err(hdev->dev, "Cannot allocate 0 bytes\n"); + return -EINVAL; + } + contiguous = args->flags & HL_MEM_CONTIGUOUS; if (contiguous) { @@ -93,7 +98,7 @@ static int alloc_device_memory(struct hl_ctx *ctx, struct hl_mem_in *args, phys_pg_pack->contiguous = contiguous; phys_pg_pack->pages = kvmalloc_array(num_pgs, sizeof(u64), GFP_KERNEL); - if (!phys_pg_pack->pages) { + if (ZERO_OR_NULL_PTR(phys_pg_pack->pages)) { rc = -ENOMEM; goto pages_arr_err; } @@ -683,7 +688,7 @@ static int init_phys_pg_pack_from_userptr(struct hl_ctx *ctx, phys_pg_pack->pages = kvmalloc_array(total_npages, sizeof(u64), GFP_KERNEL); - if (!phys_pg_pack->pages) { + if (ZERO_OR_NULL_PTR(phys_pg_pack->pages)) { rc = -ENOMEM; goto page_pack_arr_mem_err; } diff --git a/drivers/misc/habanalabs/common/mmu.c b/drivers/misc/habanalabs/common/mmu.c index edcc11d5eaf15a..3fc0f497fab349 100644 --- a/drivers/misc/habanalabs/common/mmu.c +++ b/drivers/misc/habanalabs/common/mmu.c @@ -450,7 +450,7 @@ int hl_mmu_init(struct hl_device *hdev) hdev->mmu_shadow_hop0 = kvmalloc_array(prop->max_asid, prop->mmu_hop_table_size, GFP_KERNEL | __GFP_ZERO); - if (!hdev->mmu_shadow_hop0) { + if (ZERO_OR_NULL_PTR(hdev->mmu_shadow_hop0)) { rc = -ENOMEM; goto err_pool_add; } diff --git a/drivers/misc/habanalabs/common/pci.c b/drivers/misc/habanalabs/common/pci.c index 7bd3737571f38a..2770f03b6cbb20 100644 --- a/drivers/misc/habanalabs/common/pci.c +++ b/drivers/misc/habanalabs/common/pci.c @@ -227,7 +227,7 @@ int hl_pci_set_inbound_region(struct hl_device *hdev, u8 region, } /* Point to the specified address */ - rc = hl_pci_iatu_write(hdev, offset + 0x14, + rc |= hl_pci_iatu_write(hdev, offset + 0x14, lower_32_bits(pci_region->addr)); rc |= hl_pci_iatu_write(hdev, offset + 0x18, upper_32_bits(pci_region->addr)); @@ -369,15 +369,17 @@ int hl_pci_init(struct hl_device *hdev) rc = hdev->asic_funcs->init_iatu(hdev); if (rc) { dev_err(hdev->dev, "Failed to initialize iATU\n"); - goto disable_device; + goto unmap_pci_bars; } rc = hl_pci_set_dma_mask(hdev); if (rc) - goto disable_device; + goto unmap_pci_bars; return 0; +unmap_pci_bars: + hl_pci_bars_unmap(hdev); disable_device: pci_clear_master(pdev); pci_disable_device(pdev); diff --git a/drivers/misc/habanalabs/common/sysfs.c b/drivers/misc/habanalabs/common/sysfs.c index b3cb0ac4721c5b..5ae484cc84cd4f 100644 --- a/drivers/misc/habanalabs/common/sysfs.c +++ b/drivers/misc/habanalabs/common/sysfs.c @@ -81,7 +81,7 @@ u64 hl_get_max_power(struct hl_device *hdev) return result; } -void hl_set_max_power(struct hl_device *hdev, u64 value) +void hl_set_max_power(struct hl_device *hdev) { struct armcp_packet pkt; int rc; @@ -90,7 +90,7 @@ void hl_set_max_power(struct hl_device *hdev, u64 value) pkt.ctl = cpu_to_le32(ARMCP_PACKET_MAX_POWER_SET << ARMCP_PKT_CTL_OPCODE_SHIFT); - pkt.value = cpu_to_le64(value); + pkt.value = cpu_to_le64(hdev->max_power); rc = hdev->asic_funcs->send_cpu_message(hdev, (u32 *) &pkt, sizeof(pkt), 0, NULL); @@ -316,7 +316,7 @@ static ssize_t max_power_store(struct device *dev, } hdev->max_power = value; - hl_set_max_power(hdev, value); + hl_set_max_power(hdev); out: return count; @@ -422,6 +422,7 @@ int hl_sysfs_init(struct hl_device *hdev) hdev->pm_mng_profile = PM_AUTO; else hdev->pm_mng_profile = PM_MANUAL; + hdev->max_power = hdev->asic_prop.max_power_default; hdev->asic_funcs->add_device_attr(hdev, &hl_dev_clks_attr_group); diff --git a/drivers/misc/habanalabs/gaudi/gaudi.c b/drivers/misc/habanalabs/gaudi/gaudi.c index 00a0a7238d8149..4009b7df4cafec 100644 --- a/drivers/misc/habanalabs/gaudi/gaudi.c +++ b/drivers/misc/habanalabs/gaudi/gaudi.c @@ -154,6 +154,29 @@ static const u16 gaudi_packet_sizes[MAX_PACKET_ID] = { [PACKET_LOAD_AND_EXE] = sizeof(struct packet_load_and_exe) }; +static inline bool validate_packet_id(enum packet_id id) +{ + switch (id) { + case PACKET_WREG_32: + case PACKET_WREG_BULK: + case PACKET_MSG_LONG: + case PACKET_MSG_SHORT: + case PACKET_CP_DMA: + case PACKET_REPEAT: + case PACKET_MSG_PROT: + case PACKET_FENCE: + case PACKET_LIN_DMA: + case PACKET_NOP: + case PACKET_STOP: + case PACKET_ARB_POINT: + case PACKET_WAIT: + case PACKET_LOAD_AND_EXE: + return true; + default: + return false; + } +} + static const char * const gaudi_tpc_interrupts_cause[GAUDI_NUM_OF_TPC_INTR_CAUSE] = { "tpc_address_exceed_slm", @@ -433,7 +456,7 @@ static int gaudi_get_fixed_properties(struct hl_device *hdev) prop->num_of_events = GAUDI_EVENT_SIZE; prop->tpc_enabled_mask = TPC_ENABLED_MASK; - prop->max_power_default = MAX_POWER_DEFAULT; + prop->max_power_default = MAX_POWER_DEFAULT_PCI; prop->cb_pool_cb_cnt = GAUDI_CB_POOL_CB_CNT; prop->cb_pool_cb_size = GAUDI_CB_POOL_CB_SIZE; @@ -2485,6 +2508,7 @@ static void gaudi_set_clock_gating(struct hl_device *hdev) { struct gaudi_device *gaudi = hdev->asic_specific; u32 qman_offset; + bool enable; int i; /* In case we are during debug session, don't enable the clock gate @@ -2494,46 +2518,43 @@ static void gaudi_set_clock_gating(struct hl_device *hdev) return; for (i = GAUDI_PCI_DMA_1, qman_offset = 0 ; i < GAUDI_HBM_DMA_1 ; i++) { - if (!(hdev->clock_gating_mask & - (BIT_ULL(gaudi_dma_assignment[i])))) - continue; + enable = !!(hdev->clock_gating_mask & + (BIT_ULL(gaudi_dma_assignment[i]))); qman_offset = gaudi_dma_assignment[i] * DMA_QMAN_OFFSET; - WREG32(mmDMA0_QM_CGM_CFG1 + qman_offset, QMAN_CGM1_PWR_GATE_EN); + WREG32(mmDMA0_QM_CGM_CFG1 + qman_offset, + enable ? QMAN_CGM1_PWR_GATE_EN : 0); WREG32(mmDMA0_QM_CGM_CFG + qman_offset, - QMAN_UPPER_CP_CGM_PWR_GATE_EN); + enable ? QMAN_UPPER_CP_CGM_PWR_GATE_EN : 0); } for (i = GAUDI_HBM_DMA_1 ; i < GAUDI_DMA_MAX ; i++) { - if (!(hdev->clock_gating_mask & - (BIT_ULL(gaudi_dma_assignment[i])))) - continue; + enable = !!(hdev->clock_gating_mask & + (BIT_ULL(gaudi_dma_assignment[i]))); qman_offset = gaudi_dma_assignment[i] * DMA_QMAN_OFFSET; - WREG32(mmDMA0_QM_CGM_CFG1 + qman_offset, QMAN_CGM1_PWR_GATE_EN); + WREG32(mmDMA0_QM_CGM_CFG1 + qman_offset, + enable ? QMAN_CGM1_PWR_GATE_EN : 0); WREG32(mmDMA0_QM_CGM_CFG + qman_offset, - QMAN_COMMON_CP_CGM_PWR_GATE_EN); + enable ? QMAN_COMMON_CP_CGM_PWR_GATE_EN : 0); } - if (hdev->clock_gating_mask & (BIT_ULL(GAUDI_ENGINE_ID_MME_0))) { - WREG32(mmMME0_QM_CGM_CFG1, QMAN_CGM1_PWR_GATE_EN); - WREG32(mmMME0_QM_CGM_CFG, QMAN_COMMON_CP_CGM_PWR_GATE_EN); - } + enable = !!(hdev->clock_gating_mask & (BIT_ULL(GAUDI_ENGINE_ID_MME_0))); + WREG32(mmMME0_QM_CGM_CFG1, enable ? QMAN_CGM1_PWR_GATE_EN : 0); + WREG32(mmMME0_QM_CGM_CFG, enable ? QMAN_COMMON_CP_CGM_PWR_GATE_EN : 0); - if (hdev->clock_gating_mask & (BIT_ULL(GAUDI_ENGINE_ID_MME_2))) { - WREG32(mmMME2_QM_CGM_CFG1, QMAN_CGM1_PWR_GATE_EN); - WREG32(mmMME2_QM_CGM_CFG, QMAN_COMMON_CP_CGM_PWR_GATE_EN); - } + enable = !!(hdev->clock_gating_mask & (BIT_ULL(GAUDI_ENGINE_ID_MME_2))); + WREG32(mmMME2_QM_CGM_CFG1, enable ? QMAN_CGM1_PWR_GATE_EN : 0); + WREG32(mmMME2_QM_CGM_CFG, enable ? QMAN_COMMON_CP_CGM_PWR_GATE_EN : 0); for (i = 0, qman_offset = 0 ; i < TPC_NUMBER_OF_ENGINES ; i++) { - if (!(hdev->clock_gating_mask & - (BIT_ULL(GAUDI_ENGINE_ID_TPC_0 + i)))) - continue; + enable = !!(hdev->clock_gating_mask & + (BIT_ULL(GAUDI_ENGINE_ID_TPC_0 + i))); WREG32(mmTPC0_QM_CGM_CFG1 + qman_offset, - QMAN_CGM1_PWR_GATE_EN); + enable ? QMAN_CGM1_PWR_GATE_EN : 0); WREG32(mmTPC0_QM_CGM_CFG + qman_offset, - QMAN_COMMON_CP_CGM_PWR_GATE_EN); + enable ? QMAN_COMMON_CP_CGM_PWR_GATE_EN : 0); qman_offset += TPC_QMAN_OFFSET; } @@ -3772,6 +3793,12 @@ static int gaudi_validate_cb(struct hl_device *hdev, PACKET_HEADER_PACKET_ID_MASK) >> PACKET_HEADER_PACKET_ID_SHIFT); + if (!validate_packet_id(pkt_id)) { + dev_err(hdev->dev, "Invalid packet id %u\n", pkt_id); + rc = -EINVAL; + break; + } + pkt_size = gaudi_packet_sizes[pkt_id]; cb_parsed_length += pkt_size; if (cb_parsed_length > parser->user_cb_size) { @@ -3995,6 +4022,12 @@ static int gaudi_patch_cb(struct hl_device *hdev, PACKET_HEADER_PACKET_ID_MASK) >> PACKET_HEADER_PACKET_ID_SHIFT); + if (!validate_packet_id(pkt_id)) { + dev_err(hdev->dev, "Invalid packet id %u\n", pkt_id); + rc = -EINVAL; + break; + } + pkt_size = gaudi_packet_sizes[pkt_id]; cb_parsed_length += pkt_size; if (cb_parsed_length > parser->user_cb_size) { @@ -5215,7 +5248,7 @@ static int gaudi_extract_ecc_info(struct hl_device *hdev, *memory_wrapper_idx = 0xFF; /* Iterate through memory wrappers, a single bit must be set */ - for (i = 0 ; i > num_mem_regs ; i++) { + for (i = 0 ; i < num_mem_regs ; i++) { err_addr += i * 4; err_word = RREG32(err_addr); if (err_word) { @@ -6022,6 +6055,15 @@ static int gaudi_armcp_info_get(struct hl_device *hdev) strncpy(prop->armcp_info.card_name, GAUDI_DEFAULT_CARD_NAME, CARD_NAME_MAX_LEN); + hdev->card_type = le32_to_cpu(hdev->asic_prop.armcp_info.card_type); + + if (hdev->card_type == armcp_card_type_pci) + prop->max_power_default = MAX_POWER_DEFAULT_PCI; + else if (hdev->card_type == armcp_card_type_pmc) + prop->max_power_default = MAX_POWER_DEFAULT_PMC; + + hdev->max_power = prop->max_power_default; + return 0; } diff --git a/drivers/misc/habanalabs/gaudi/gaudiP.h b/drivers/misc/habanalabs/gaudi/gaudiP.h index 5dc99f6f029634..82137c3f3e2e64 100644 --- a/drivers/misc/habanalabs/gaudi/gaudiP.h +++ b/drivers/misc/habanalabs/gaudi/gaudiP.h @@ -41,7 +41,8 @@ #define GAUDI_MAX_CLK_FREQ 2200000000ull /* 2200 MHz */ -#define MAX_POWER_DEFAULT 200000 /* 200W */ +#define MAX_POWER_DEFAULT_PCI 200000 /* 200W */ +#define MAX_POWER_DEFAULT_PMC 350000 /* 350W */ #define GAUDI_CPU_TIMEOUT_USEC 15000000 /* 15s */ diff --git a/drivers/misc/habanalabs/gaudi/gaudi_coresight.c b/drivers/misc/habanalabs/gaudi/gaudi_coresight.c index 5673ee49819e6b..881531d4d9da85 100644 --- a/drivers/misc/habanalabs/gaudi/gaudi_coresight.c +++ b/drivers/misc/habanalabs/gaudi/gaudi_coresight.c @@ -527,7 +527,7 @@ static int gaudi_config_etf(struct hl_device *hdev, } static bool gaudi_etr_validate_address(struct hl_device *hdev, u64 addr, - u32 size, bool *is_host) + u64 size, bool *is_host) { struct asic_fixed_properties *prop = &hdev->asic_prop; struct gaudi_device *gaudi = hdev->asic_specific; @@ -539,6 +539,12 @@ static bool gaudi_etr_validate_address(struct hl_device *hdev, u64 addr, return false; } + if (addr > (addr + size)) { + dev_err(hdev->dev, + "ETR buffer size %llu overflow\n", size); + return false; + } + /* PMMU and HPMMU addresses are equal, check only one of them */ if ((gaudi->hw_cap_initialized & HW_CAP_MMU) && hl_mem_area_inside_range(addr, size, diff --git a/drivers/misc/habanalabs/goya/goya.c b/drivers/misc/habanalabs/goya/goya.c index 85030759b2afed..33cd2ae653d234 100644 --- a/drivers/misc/habanalabs/goya/goya.c +++ b/drivers/misc/habanalabs/goya/goya.c @@ -139,6 +139,25 @@ static u16 goya_packet_sizes[MAX_PACKET_ID] = { [PACKET_STOP] = sizeof(struct packet_stop) }; +static inline bool validate_packet_id(enum packet_id id) +{ + switch (id) { + case PACKET_WREG_32: + case PACKET_WREG_BULK: + case PACKET_MSG_LONG: + case PACKET_MSG_SHORT: + case PACKET_CP_DMA: + case PACKET_MSG_PROT: + case PACKET_FENCE: + case PACKET_LIN_DMA: + case PACKET_NOP: + case PACKET_STOP: + return true; + default: + return false; + } +} + static u64 goya_mmu_regs[GOYA_MMU_REGS_NUM] = { mmDMA_QM_0_GLBL_NON_SECURE_PROPS, mmDMA_QM_1_GLBL_NON_SECURE_PROPS, @@ -3455,6 +3474,12 @@ static int goya_validate_cb(struct hl_device *hdev, PACKET_HEADER_PACKET_ID_MASK) >> PACKET_HEADER_PACKET_ID_SHIFT); + if (!validate_packet_id(pkt_id)) { + dev_err(hdev->dev, "Invalid packet id %u\n", pkt_id); + rc = -EINVAL; + break; + } + pkt_size = goya_packet_sizes[pkt_id]; cb_parsed_length += pkt_size; if (cb_parsed_length > parser->user_cb_size) { @@ -3690,6 +3715,12 @@ static int goya_patch_cb(struct hl_device *hdev, PACKET_HEADER_PACKET_ID_MASK) >> PACKET_HEADER_PACKET_ID_SHIFT); + if (!validate_packet_id(pkt_id)) { + dev_err(hdev->dev, "Invalid packet id %u\n", pkt_id); + rc = -EINVAL; + break; + } + pkt_size = goya_packet_sizes[pkt_id]; cb_parsed_length += pkt_size; if (cb_parsed_length > parser->user_cb_size) { diff --git a/drivers/misc/habanalabs/goya/goya_coresight.c b/drivers/misc/habanalabs/goya/goya_coresight.c index b03912483de004..4027a6a334d7a6 100644 --- a/drivers/misc/habanalabs/goya/goya_coresight.c +++ b/drivers/misc/habanalabs/goya/goya_coresight.c @@ -362,11 +362,17 @@ static int goya_config_etf(struct hl_device *hdev, } static int goya_etr_validate_address(struct hl_device *hdev, u64 addr, - u32 size) + u64 size) { struct asic_fixed_properties *prop = &hdev->asic_prop; u64 range_start, range_end; + if (addr > (addr + size)) { + dev_err(hdev->dev, + "ETR buffer size %llu overflow\n", size); + return false; + } + if (hdev->mmu_enable) { range_start = prop->dmmu.start_addr; range_end = prop->dmmu.end_addr; diff --git a/drivers/misc/habanalabs/include/gaudi/gaudi_masks.h b/drivers/misc/habanalabs/include/gaudi/gaudi_masks.h index 13ef6b2887fd42..3510c42d24e313 100644 --- a/drivers/misc/habanalabs/include/gaudi/gaudi_masks.h +++ b/drivers/misc/habanalabs/include/gaudi/gaudi_masks.h @@ -378,15 +378,15 @@ enum axi_id { ((((y) & RAZWI_INITIATOR_Y_MASK) << RAZWI_INITIATOR_Y_SHIFT) | \ (((x) & RAZWI_INITIATOR_X_MASK) << RAZWI_INITIATOR_X_SHIFT)) -#define RAZWI_INITIATOR_ID_X_Y_TPC0_NIC0 RAZWI_INITIATOR_ID_X_Y(1, 0) -#define RAZWI_INITIATOR_ID_X_Y_TPC1 RAZWI_INITIATOR_ID_X_Y(2, 0) -#define RAZWI_INITIATOR_ID_X_Y_MME0_0 RAZWI_INITIATOR_ID_X_Y(3, 0) -#define RAZWI_INITIATOR_ID_X_Y_MME0_1 RAZWI_INITIATOR_ID_X_Y(4, 0) -#define RAZWI_INITIATOR_ID_X_Y_MME1_0 RAZWI_INITIATOR_ID_X_Y(5, 0) -#define RAZWI_INITIATOR_ID_X_Y_MME1_1 RAZWI_INITIATOR_ID_X_Y(6, 0) -#define RAZWI_INITIATOR_ID_X_Y_TPC2 RAZWI_INITIATOR_ID_X_Y(7, 0) +#define RAZWI_INITIATOR_ID_X_Y_TPC0_NIC0 RAZWI_INITIATOR_ID_X_Y(1, 1) +#define RAZWI_INITIATOR_ID_X_Y_TPC1 RAZWI_INITIATOR_ID_X_Y(2, 1) +#define RAZWI_INITIATOR_ID_X_Y_MME0_0 RAZWI_INITIATOR_ID_X_Y(3, 1) +#define RAZWI_INITIATOR_ID_X_Y_MME0_1 RAZWI_INITIATOR_ID_X_Y(4, 1) +#define RAZWI_INITIATOR_ID_X_Y_MME1_0 RAZWI_INITIATOR_ID_X_Y(5, 1) +#define RAZWI_INITIATOR_ID_X_Y_MME1_1 RAZWI_INITIATOR_ID_X_Y(6, 1) +#define RAZWI_INITIATOR_ID_X_Y_TPC2 RAZWI_INITIATOR_ID_X_Y(7, 1) #define RAZWI_INITIATOR_ID_X_Y_TPC3_PCI_CPU_PSOC \ - RAZWI_INITIATOR_ID_X_Y(8, 0) + RAZWI_INITIATOR_ID_X_Y(8, 1) #define RAZWI_INITIATOR_ID_X_Y_DMA_IF_W_S_0 RAZWI_INITIATOR_ID_X_Y(0, 1) #define RAZWI_INITIATOR_ID_X_Y_DMA_IF_E_S_0 RAZWI_INITIATOR_ID_X_Y(9, 1) #define RAZWI_INITIATOR_ID_X_Y_DMA_IF_W_S_1 RAZWI_INITIATOR_ID_X_Y(0, 2) @@ -395,14 +395,14 @@ enum axi_id { #define RAZWI_INITIATOR_ID_X_Y_DMA_IF_E_N_0 RAZWI_INITIATOR_ID_X_Y(9, 3) #define RAZWI_INITIATOR_ID_X_Y_DMA_IF_W_N_1 RAZWI_INITIATOR_ID_X_Y(0, 4) #define RAZWI_INITIATOR_ID_X_Y_DMA_IF_E_N_1 RAZWI_INITIATOR_ID_X_Y(9, 4) -#define RAZWI_INITIATOR_ID_X_Y_TPC4_NIC1_NIC2 RAZWI_INITIATOR_ID_X_Y(1, 5) -#define RAZWI_INITIATOR_ID_X_Y_TPC5 RAZWI_INITIATOR_ID_X_Y(2, 5) -#define RAZWI_INITIATOR_ID_X_Y_MME2_0 RAZWI_INITIATOR_ID_X_Y(3, 5) -#define RAZWI_INITIATOR_ID_X_Y_MME2_1 RAZWI_INITIATOR_ID_X_Y(4, 5) -#define RAZWI_INITIATOR_ID_X_Y_MME3_0 RAZWI_INITIATOR_ID_X_Y(5, 5) -#define RAZWI_INITIATOR_ID_X_Y_MME3_1 RAZWI_INITIATOR_ID_X_Y(6, 5) -#define RAZWI_INITIATOR_ID_X_Y_TPC6 RAZWI_INITIATOR_ID_X_Y(7, 5) -#define RAZWI_INITIATOR_ID_X_Y_TPC7_NIC4_NIC5 RAZWI_INITIATOR_ID_X_Y(8, 5) +#define RAZWI_INITIATOR_ID_X_Y_TPC4_NIC1_NIC2 RAZWI_INITIATOR_ID_X_Y(1, 6) +#define RAZWI_INITIATOR_ID_X_Y_TPC5 RAZWI_INITIATOR_ID_X_Y(2, 6) +#define RAZWI_INITIATOR_ID_X_Y_MME2_0 RAZWI_INITIATOR_ID_X_Y(3, 6) +#define RAZWI_INITIATOR_ID_X_Y_MME2_1 RAZWI_INITIATOR_ID_X_Y(4, 6) +#define RAZWI_INITIATOR_ID_X_Y_MME3_0 RAZWI_INITIATOR_ID_X_Y(5, 6) +#define RAZWI_INITIATOR_ID_X_Y_MME3_1 RAZWI_INITIATOR_ID_X_Y(6, 6) +#define RAZWI_INITIATOR_ID_X_Y_TPC6 RAZWI_INITIATOR_ID_X_Y(7, 6) +#define RAZWI_INITIATOR_ID_X_Y_TPC7_NIC4_NIC5 RAZWI_INITIATOR_ID_X_Y(8, 6) #define PSOC_ETR_AXICTL_PROTCTRLBIT1_SHIFT 1 diff --git a/drivers/misc/mei/hdcp/mei_hdcp.c b/drivers/misc/mei/hdcp/mei_hdcp.c index d1d3e025ca0e87..9ae9669e46eae9 100644 --- a/drivers/misc/mei/hdcp/mei_hdcp.c +++ b/drivers/misc/mei/hdcp/mei_hdcp.c @@ -546,38 +546,46 @@ static int mei_hdcp_verify_mprime(struct device *dev, struct hdcp_port_data *data, struct hdcp2_rep_stream_ready *stream_ready) { - struct wired_cmd_repeater_auth_stream_req_in - verify_mprime_in = { { 0 } }; + struct wired_cmd_repeater_auth_stream_req_in *verify_mprime_in; struct wired_cmd_repeater_auth_stream_req_out verify_mprime_out = { { 0 } }; struct mei_cl_device *cldev; ssize_t byte; + size_t cmd_size; if (!dev || !stream_ready || !data) return -EINVAL; cldev = to_mei_cl_device(dev); - verify_mprime_in.header.api_version = HDCP_API_VERSION; - verify_mprime_in.header.command_id = WIRED_REPEATER_AUTH_STREAM_REQ; - verify_mprime_in.header.status = ME_HDCP_STATUS_SUCCESS; - verify_mprime_in.header.buffer_len = + cmd_size = struct_size(verify_mprime_in, streams, data->k); + if (cmd_size == SIZE_MAX) + return -EINVAL; + + verify_mprime_in = kzalloc(cmd_size, GFP_KERNEL); + if (!verify_mprime_in) + return -ENOMEM; + + verify_mprime_in->header.api_version = HDCP_API_VERSION; + verify_mprime_in->header.command_id = WIRED_REPEATER_AUTH_STREAM_REQ; + verify_mprime_in->header.status = ME_HDCP_STATUS_SUCCESS; + verify_mprime_in->header.buffer_len = WIRED_CMD_BUF_LEN_REPEATER_AUTH_STREAM_REQ_MIN_IN; - verify_mprime_in.port.integrated_port_type = data->port_type; - verify_mprime_in.port.physical_port = (u8)data->fw_ddi; - verify_mprime_in.port.attached_transcoder = (u8)data->fw_tc; + verify_mprime_in->port.integrated_port_type = data->port_type; + verify_mprime_in->port.physical_port = (u8)data->fw_ddi; + verify_mprime_in->port.attached_transcoder = (u8)data->fw_tc; + + memcpy(verify_mprime_in->m_prime, stream_ready->m_prime, HDCP_2_2_MPRIME_LEN); + drm_hdcp_cpu_to_be24(verify_mprime_in->seq_num_m, data->seq_num_m); - memcpy(verify_mprime_in.m_prime, stream_ready->m_prime, - HDCP_2_2_MPRIME_LEN); - drm_hdcp_cpu_to_be24(verify_mprime_in.seq_num_m, data->seq_num_m); - memcpy(verify_mprime_in.streams, data->streams, + memcpy(verify_mprime_in->streams, data->streams, array_size(data->k, sizeof(*data->streams))); - verify_mprime_in.k = cpu_to_be16(data->k); + verify_mprime_in->k = cpu_to_be16(data->k); - byte = mei_cldev_send(cldev, (u8 *)&verify_mprime_in, - sizeof(verify_mprime_in)); + byte = mei_cldev_send(cldev, (u8 *)verify_mprime_in, cmd_size); + kfree(verify_mprime_in); if (byte < 0) { dev_dbg(dev, "mei_cldev_send failed. %zd\n", byte); return byte; diff --git a/drivers/misc/mic/scif/scif_api.c b/drivers/misc/mic/scif/scif_api.c index 9cc6b2a6cf229c..304d6c833712ae 100644 --- a/drivers/misc/mic/scif/scif_api.c +++ b/drivers/misc/mic/scif/scif_api.c @@ -178,7 +178,7 @@ int scif_close(scif_epd_t epd) case SCIFEP_ZOMBIE: dev_err(scif_info.mdev.this_device, "SCIFAPI close: zombie state unexpected\n"); - /* fall through */ + fallthrough; case SCIFEP_DISCONNECTED: spin_unlock(&ep->lock); scif_unregister_all_windows(epd); @@ -645,7 +645,7 @@ int __scif_connect(scif_epd_t epd, struct scif_port_id *dst, bool non_block) ep->port.port = err; ep->port.node = scif_info.nodeid; ep->conn_async_state = ASYNC_CONN_IDLE; - /* Fall through */ + fallthrough; case SCIFEP_BOUND: /* * If a non-blocking connect has been already initiated diff --git a/drivers/misc/mic/scif/scif_rma.c b/drivers/misc/mic/scif/scif_rma.c index de8f61efaef5cc..2da3b474f4863d 100644 --- a/drivers/misc/mic/scif/scif_rma.c +++ b/drivers/misc/mic/scif/scif_rma.c @@ -657,7 +657,7 @@ int scif_unregister_window(struct scif_window *window) window->unreg_state = OP_IN_PROGRESS; send_msg = true; } - /* fall through */ + fallthrough; case OP_IN_PROGRESS: { scif_get_window(window, 1); diff --git a/drivers/misc/sgi-gru/grukservices.c b/drivers/misc/sgi-gru/grukservices.c index f6e600bfac5d23..0ea923fe6371b6 100644 --- a/drivers/misc/sgi-gru/grukservices.c +++ b/drivers/misc/sgi-gru/grukservices.c @@ -622,7 +622,7 @@ static int send_noop_message(void *cb, struct gru_message_queue_desc *mqd, break; case CBSS_PAGE_OVERFLOW: STAT(mesq_noop_page_overflow); - /* fall through */ + fallthrough; default: BUG(); } @@ -780,7 +780,7 @@ static int send_message_failure(void *cb, struct gru_message_queue_desc *mqd, break; case CBSS_PAGE_OVERFLOW: STAT(mesq_page_overflow); - /* fall through */ + fallthrough; default: BUG(); } diff --git a/drivers/misc/sgi-xp/xpc_main.c b/drivers/misc/sgi-xp/xpc_main.c index d5e097cd556dbc..8a495dc82f167c 100644 --- a/drivers/misc/sgi-xp/xpc_main.c +++ b/drivers/misc/sgi-xp/xpc_main.c @@ -1173,7 +1173,7 @@ xpc_system_die(struct notifier_block *nb, unsigned long event, void *_die_args) if (!xpc_kdebug_ignore) break; - /* fall through */ + fallthrough; case DIE_MCA_MONARCH_ENTER: case DIE_INIT_MONARCH_ENTER: xpc_arch_ops.offline_heartbeat(); @@ -1184,7 +1184,7 @@ xpc_system_die(struct notifier_block *nb, unsigned long event, void *_die_args) if (!xpc_kdebug_ignore) break; - /* fall through */ + fallthrough; case DIE_MCA_MONARCH_LEAVE: case DIE_INIT_MONARCH_LEAVE: xpc_arch_ops.online_heartbeat(); diff --git a/drivers/misc/sgi-xp/xpc_partition.c b/drivers/misc/sgi-xp/xpc_partition.c index 21a04bc97d40ae..099a53bdbb7d84 100644 --- a/drivers/misc/sgi-xp/xpc_partition.c +++ b/drivers/misc/sgi-xp/xpc_partition.c @@ -441,10 +441,10 @@ xpc_discovery(void) switch (region_size) { case 128: max_regions *= 2; - /* fall through */ + fallthrough; case 64: max_regions *= 2; - /* fall through */ + fallthrough; case 32: max_regions *= 2; region_size = 16; diff --git a/drivers/misc/sgi-xp/xpc_uv.c b/drivers/misc/sgi-xp/xpc_uv.c index 98c60f11b76b10..7791bde81a3684 100644 --- a/drivers/misc/sgi-xp/xpc_uv.c +++ b/drivers/misc/sgi-xp/xpc_uv.c @@ -574,7 +574,7 @@ xpc_handle_activate_mq_msg_uv(struct xpc_partition *part, xpc_wakeup_channel_mgr(part); } - /* fall through */ + fallthrough; case XPC_ACTIVATE_MQ_MSG_MARK_ENGAGED_UV: spin_lock_irqsave(&part_uv->flags_lock, irq_flags); part_uv->flags |= XPC_P_ENGAGED_UV; diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c index ce43f7573d8046..c8fae6611b73bd 100644 --- a/drivers/mmc/core/host.c +++ b/drivers/mmc/core/host.c @@ -191,7 +191,7 @@ int mmc_of_parse(struct mmc_host *host) switch (bus_width) { case 8: host->caps |= MMC_CAP_8_BIT_DATA; - /* fall through - Hosts capable of 8-bit can also do 4 bits */ + fallthrough; /* Hosts capable of 8-bit can also do 4 bits */ case 4: host->caps |= MMC_CAP_4_BIT_DATA; break; diff --git a/drivers/mmc/core/sdio_ops.c b/drivers/mmc/core/sdio_ops.c index 93d346c01110df..4c229dd2b6e543 100644 --- a/drivers/mmc/core/sdio_ops.c +++ b/drivers/mmc/core/sdio_ops.c @@ -121,6 +121,7 @@ int mmc_io_rw_extended(struct mmc_card *card, int write, unsigned fn, struct sg_table sgtable; unsigned int nents, left_size, i; unsigned int seg_size = card->host->max_seg_size; + int err; WARN_ON(blksz == 0); @@ -170,28 +171,32 @@ int mmc_io_rw_extended(struct mmc_card *card, int write, unsigned fn, mmc_set_data_timeout(&data, card); - mmc_wait_for_req(card->host, &mrq); + mmc_pre_req(card->host, &mrq); - if (nents > 1) - sg_free_table(&sgtable); + mmc_wait_for_req(card->host, &mrq); if (cmd.error) - return cmd.error; - if (data.error) - return data.error; - - if (mmc_host_is_spi(card->host)) { + err = cmd.error; + else if (data.error) + err = data.error; + else if (mmc_host_is_spi(card->host)) /* host driver already reported errors */ - } else { - if (cmd.resp[0] & R5_ERROR) - return -EIO; - if (cmd.resp[0] & R5_FUNCTION_NUMBER) - return -EINVAL; - if (cmd.resp[0] & R5_OUT_OF_RANGE) - return -ERANGE; - } + err = 0; + else if (cmd.resp[0] & R5_ERROR) + err = -EIO; + else if (cmd.resp[0] & R5_FUNCTION_NUMBER) + err = -EINVAL; + else if (cmd.resp[0] & R5_OUT_OF_RANGE) + err = -ERANGE; + else + err = 0; - return 0; + mmc_post_req(card->host, &mrq, err); + + if (nents > 1) + sg_free_table(&sgtable); + + return err; } int sdio_reset(struct mmc_host *host) diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig index 9c89a5b780e85f..9a34c827c96ef7 100644 --- a/drivers/mmc/host/Kconfig +++ b/drivers/mmc/host/Kconfig @@ -602,7 +602,7 @@ config MMC_GOLDFISH config MMC_SPI tristate "MMC/SD/SDIO over SPI" - depends on SPI_MASTER && HAS_DMA + depends on SPI_MASTER select CRC7 select CRC_ITU_T help diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c index 300901415aa20b..3fc3bbea8536e0 100644 --- a/drivers/mmc/host/atmel-mci.c +++ b/drivers/mmc/host/atmel-mci.c @@ -2418,7 +2418,7 @@ static void atmci_get_cap(struct atmel_mci *host) case 0x600: case 0x500: host->caps.has_odd_clk_div = 1; - /* Fall through */ + fallthrough; case 0x400: case 0x300: host->caps.has_dma_conf_reg = 1; @@ -2426,16 +2426,16 @@ static void atmci_get_cap(struct atmel_mci *host) host->caps.has_cfg_reg = 1; host->caps.has_cstor_reg = 1; host->caps.has_highspeed = 1; - /* Fall through */ + fallthrough; case 0x200: host->caps.has_rwproof = 1; host->caps.need_blksz_mul_4 = 0; host->caps.need_notbusy_for_read_ops = 1; - /* Fall through */ + fallthrough; case 0x100: host->caps.has_bad_data_ordering = 0; host->caps.need_reset_after_xfer = 0; - /* Fall through */ + fallthrough; case 0x0: break; default: diff --git a/drivers/mmc/host/davinci_mmc.c b/drivers/mmc/host/davinci_mmc.c index f01fecd75833d8..e50a08bce7efa1 100644 --- a/drivers/mmc/host/davinci_mmc.c +++ b/drivers/mmc/host/davinci_mmc.c @@ -300,7 +300,7 @@ static void mmc_davinci_start_command(struct mmc_davinci_host *host, * then it's harmless for us to allow it. */ cmd_reg |= MMCCMD_BSYEXP; - /* FALLTHROUGH */ + fallthrough; case MMC_RSP_R1: /* 48 bits, CRC */ cmd_reg |= MMCCMD_RSPFMT_R1456; break; diff --git a/drivers/mmc/host/dw_mmc-k3.c b/drivers/mmc/host/dw_mmc-k3.c index 50977ff1807417..db1a84b2ba612f 100644 --- a/drivers/mmc/host/dw_mmc-k3.c +++ b/drivers/mmc/host/dw_mmc-k3.c @@ -238,7 +238,7 @@ static void dw_mci_hs_set_timing(struct dw_mci *host, int timing, if (smpl_phase >= USE_DLY_MIN_SMPL && smpl_phase <= USE_DLY_MAX_SMPL) use_smpl_dly = 1; - /* fallthrough */ + fallthrough; case MMC_TIMING_UHS_SDR50: if (smpl_phase >= ENABLE_SHIFT_MIN_SMPL && smpl_phase <= ENABLE_SHIFT_MAX_SMPL) diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c index 35ae5737c62267..0fba940544ca12 100644 --- a/drivers/mmc/host/dw_mmc.c +++ b/drivers/mmc/host/dw_mmc.c @@ -2030,7 +2030,7 @@ static void dw_mci_tasklet_func(unsigned long priv) } prev_state = state = STATE_SENDING_DATA; - /* fall through */ + fallthrough; case STATE_SENDING_DATA: /* @@ -2088,7 +2088,7 @@ static void dw_mci_tasklet_func(unsigned long priv) } prev_state = state = STATE_DATA_BUSY; - /* fall through */ + fallthrough; case STATE_DATA_BUSY: if (!dw_mci_clear_pending_data_complete(host)) { @@ -2141,7 +2141,7 @@ static void dw_mci_tasklet_func(unsigned long priv) */ prev_state = state = STATE_SENDING_STOP; - /* fall through */ + fallthrough; case STATE_SENDING_STOP: if (!dw_mci_clear_pending_cmd_complete(host)) diff --git a/drivers/mmc/host/jz4740_mmc.c b/drivers/mmc/host/jz4740_mmc.c index 447552ac25c4a3..81d71010b4742d 100644 --- a/drivers/mmc/host/jz4740_mmc.c +++ b/drivers/mmc/host/jz4740_mmc.c @@ -739,7 +739,7 @@ static irqreturn_t jz_mmc_irq_worker(int irq, void *devid) break; jz_mmc_prepare_data_transfer(host); - /* fall through */ + fallthrough; case JZ4740_MMC_STATE_TRANSFER_DATA: if (host->use_dma) { @@ -774,7 +774,7 @@ static irqreturn_t jz_mmc_irq_worker(int irq, void *devid) break; } jz4740_mmc_write_irq_reg(host, JZ_MMC_IRQ_DATA_TRAN_DONE); - /* fall through */ + fallthrough; case JZ4740_MMC_STATE_SEND_STOP: if (!req->stop) diff --git a/drivers/mmc/host/meson-mx-sdio.c b/drivers/mmc/host/meson-mx-sdio.c index 9b2cf7afc246f9..703d5834f9a526 100644 --- a/drivers/mmc/host/meson-mx-sdio.c +++ b/drivers/mmc/host/meson-mx-sdio.c @@ -294,7 +294,7 @@ static void meson_mx_mmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) switch (ios->power_mode) { case MMC_POWER_OFF: vdd = 0; - /* fall through */ + fallthrough; case MMC_POWER_UP: if (!IS_ERR(mmc->supply.vmmc)) { host->error = mmc_regulator_set_ocr(mmc, diff --git a/drivers/mmc/host/mmc_spi.c b/drivers/mmc/host/mmc_spi.c index 39bb1e30c2d722..18a850f37ddce2 100644 --- a/drivers/mmc/host/mmc_spi.c +++ b/drivers/mmc/host/mmc_spi.c @@ -1278,6 +1278,52 @@ mmc_spi_detect_irq(int irq, void *mmc) return IRQ_HANDLED; } +#ifdef CONFIG_HAS_DMA +static int mmc_spi_dma_alloc(struct mmc_spi_host *host) +{ + struct spi_device *spi = host->spi; + struct device *dev; + + if (!spi->master->dev.parent->dma_mask) + return 0; + + dev = spi->master->dev.parent; + + host->ones_dma = dma_map_single(dev, host->ones, MMC_SPI_BLOCKSIZE, + DMA_TO_DEVICE); + if (dma_mapping_error(dev, host->ones_dma)) + return -ENOMEM; + + host->data_dma = dma_map_single(dev, host->data, sizeof(*host->data), + DMA_BIDIRECTIONAL); + if (dma_mapping_error(dev, host->data_dma)) { + dma_unmap_single(dev, host->ones_dma, MMC_SPI_BLOCKSIZE, + DMA_TO_DEVICE); + return -ENOMEM; + } + + dma_sync_single_for_cpu(dev, host->data_dma, sizeof(*host->data), + DMA_BIDIRECTIONAL); + + host->dma_dev = dev; + return 0; +} + +static void mmc_spi_dma_free(struct mmc_spi_host *host) +{ + if (!host->dma_dev) + return; + + dma_unmap_single(host->dma_dev, host->ones_dma, MMC_SPI_BLOCKSIZE, + DMA_TO_DEVICE); + dma_unmap_single(host->dma_dev, host->data_dma, sizeof(*host->data), + DMA_BIDIRECTIONAL); +} +#else +static inline int mmc_spi_dma_alloc(struct mmc_spi_host *host) { return 0; } +static inline void mmc_spi_dma_free(struct mmc_spi_host *host) {} +#endif + static int mmc_spi_probe(struct spi_device *spi) { void *ones; @@ -1374,23 +1420,9 @@ static int mmc_spi_probe(struct spi_device *spi) if (!host->data) goto fail_nobuf1; - if (spi->master->dev.parent->dma_mask) { - struct device *dev = spi->master->dev.parent; - - host->dma_dev = dev; - host->ones_dma = dma_map_single(dev, ones, - MMC_SPI_BLOCKSIZE, DMA_TO_DEVICE); - if (dma_mapping_error(dev, host->ones_dma)) - goto fail_ones_dma; - host->data_dma = dma_map_single(dev, host->data, - sizeof(*host->data), DMA_BIDIRECTIONAL); - if (dma_mapping_error(dev, host->data_dma)) - goto fail_data_dma; - - dma_sync_single_for_cpu(host->dma_dev, - host->data_dma, sizeof(*host->data), - DMA_BIDIRECTIONAL); - } + status = mmc_spi_dma_alloc(host); + if (status) + goto fail_dma; /* setup message for status/busy readback */ spi_message_init(&host->readback); @@ -1458,20 +1490,12 @@ static int mmc_spi_probe(struct spi_device *spi) fail_add_host: mmc_remove_host(mmc); fail_glue_init: - if (host->dma_dev) - dma_unmap_single(host->dma_dev, host->data_dma, - sizeof(*host->data), DMA_BIDIRECTIONAL); -fail_data_dma: - if (host->dma_dev) - dma_unmap_single(host->dma_dev, host->ones_dma, - MMC_SPI_BLOCKSIZE, DMA_TO_DEVICE); -fail_ones_dma: + mmc_spi_dma_free(host); +fail_dma: kfree(host->data); - fail_nobuf1: mmc_free_host(mmc); mmc_spi_put_pdata(spi); - nomem: kfree(ones); return status; @@ -1489,13 +1513,7 @@ static int mmc_spi_remove(struct spi_device *spi) mmc_remove_host(mmc); - if (host->dma_dev) { - dma_unmap_single(host->dma_dev, host->ones_dma, - MMC_SPI_BLOCKSIZE, DMA_TO_DEVICE); - dma_unmap_single(host->dma_dev, host->data_dma, - sizeof(*host->data), DMA_BIDIRECTIONAL); - } - + mmc_spi_dma_free(host); kfree(host->data); kfree(host->ones); diff --git a/drivers/mmc/host/mtk-sd.c b/drivers/mmc/host/mtk-sd.c index 4e2583f69a631a..b0c27944db7f72 100644 --- a/drivers/mmc/host/mtk-sd.c +++ b/drivers/mmc/host/mtk-sd.c @@ -22,6 +22,7 @@ #include <linux/slab.h> #include <linux/spinlock.h> #include <linux/interrupt.h> +#include <linux/reset.h> #include <linux/mmc/card.h> #include <linux/mmc/core.h> @@ -419,6 +420,7 @@ struct msdc_host { struct pinctrl_state *pins_uhs; struct delayed_work req_timeout; int irq; /* host interrupt */ + struct reset_control *reset; struct clk *src_clk; /* msdc source clock */ struct clk *h_clk; /* msdc h_clk */ @@ -1592,6 +1594,12 @@ static void msdc_init_hw(struct msdc_host *host) u32 val; u32 tune_reg = host->dev_comp->pad_tune_reg; + if (host->reset) { + reset_control_assert(host->reset); + usleep_range(10, 50); + reset_control_deassert(host->reset); + } + /* Configure to MMC/SD mode, clock free running */ sdr_set_bits(host->base + MSDC_CFG, MSDC_CFG_MODE | MSDC_CFG_CKPDN); @@ -2390,6 +2398,11 @@ static int msdc_drv_probe(struct platform_device *pdev) if (IS_ERR(host->src_clk_cg)) host->src_clk_cg = NULL; + host->reset = devm_reset_control_get_optional_exclusive(&pdev->dev, + "hrst"); + if (IS_ERR(host->reset)) + return PTR_ERR(host->reset); + host->irq = platform_get_irq(pdev, 0); if (host->irq < 0) { ret = -EINVAL; diff --git a/drivers/mmc/host/renesas_sdhi_core.c b/drivers/mmc/host/renesas_sdhi_core.c index 15e21894bd44a8..904f5237d8f7e4 100644 --- a/drivers/mmc/host/renesas_sdhi_core.c +++ b/drivers/mmc/host/renesas_sdhi_core.c @@ -685,7 +685,7 @@ static int renesas_sdhi_write16_hook(struct tmio_mmc_host *host, int addr) case HOST_MODE: if (host->pdata->flags & TMIO_MMC_HAVE_CBSY) bit = TMIO_STAT_CMD_BUSY; - /* fallthrough */ + fallthrough; case CTL_SD_CARD_CLK_CTL: return renesas_sdhi_wait_idle(host, bit); } diff --git a/drivers/mmc/host/sdhci-acpi.c b/drivers/mmc/host/sdhci-acpi.c index 48ecbd0b180d87..284cba11e27952 100644 --- a/drivers/mmc/host/sdhci-acpi.c +++ b/drivers/mmc/host/sdhci-acpi.c @@ -535,6 +535,11 @@ static const struct sdhci_acpi_slot sdhci_acpi_slot_qcom_sd = { .caps = MMC_CAP_NONREMOVABLE, }; +struct amd_sdhci_host { + bool tuned_clock; + bool dll_enabled; +}; + /* AMD sdhci reset dll register. */ #define SDHCI_AMD_RESET_DLL_REGISTER 0x908 @@ -546,39 +551,96 @@ static int amd_select_drive_strength(struct mmc_card *card, return MMC_SET_DRIVER_TYPE_A; } -static void sdhci_acpi_amd_hs400_dll(struct sdhci_host *host) +static void sdhci_acpi_amd_hs400_dll(struct sdhci_host *host, bool enable) { + struct sdhci_acpi_host *acpi_host = sdhci_priv(host); + struct amd_sdhci_host *amd_host = sdhci_acpi_priv(acpi_host); + /* AMD Platform requires dll setting */ sdhci_writel(host, 0x40003210, SDHCI_AMD_RESET_DLL_REGISTER); usleep_range(10, 20); - sdhci_writel(host, 0x40033210, SDHCI_AMD_RESET_DLL_REGISTER); + if (enable) + sdhci_writel(host, 0x40033210, SDHCI_AMD_RESET_DLL_REGISTER); + + amd_host->dll_enabled = enable; } /* - * For AMD Platform it is required to disable the tuning - * bit first controller to bring to HS Mode from HS200 - * mode, later enable to tune to HS400 mode. + * The initialization sequence for HS400 is: + * HS->HS200->Perform Tuning->HS->HS400 + * + * The re-tuning sequence is: + * HS400->DDR52->HS->HS200->Perform Tuning->HS->HS400 + * + * The AMD eMMC Controller can only use the tuned clock while in HS200 and HS400 + * mode. If we switch to a different mode, we need to disable the tuned clock. + * If we have previously performed tuning and switch back to HS200 or + * HS400, we can re-enable the tuned clock. + * */ static void amd_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) { struct sdhci_host *host = mmc_priv(mmc); + struct sdhci_acpi_host *acpi_host = sdhci_priv(host); + struct amd_sdhci_host *amd_host = sdhci_acpi_priv(acpi_host); unsigned int old_timing = host->timing; + u16 val; sdhci_set_ios(mmc, ios); - if (old_timing == MMC_TIMING_MMC_HS200 && - ios->timing == MMC_TIMING_MMC_HS) - sdhci_writew(host, 0x9, SDHCI_HOST_CONTROL2); - if (old_timing != MMC_TIMING_MMC_HS400 && - ios->timing == MMC_TIMING_MMC_HS400) { - sdhci_writew(host, 0x80, SDHCI_HOST_CONTROL2); - sdhci_acpi_amd_hs400_dll(host); + + if (old_timing != host->timing && amd_host->tuned_clock) { + if (host->timing == MMC_TIMING_MMC_HS400 || + host->timing == MMC_TIMING_MMC_HS200) { + val = sdhci_readw(host, SDHCI_HOST_CONTROL2); + val |= SDHCI_CTRL_TUNED_CLK; + sdhci_writew(host, val, SDHCI_HOST_CONTROL2); + } else { + val = sdhci_readw(host, SDHCI_HOST_CONTROL2); + val &= ~SDHCI_CTRL_TUNED_CLK; + sdhci_writew(host, val, SDHCI_HOST_CONTROL2); + } + + /* DLL is only required for HS400 */ + if (host->timing == MMC_TIMING_MMC_HS400 && + !amd_host->dll_enabled) + sdhci_acpi_amd_hs400_dll(host, true); + } +} + +static int amd_sdhci_execute_tuning(struct mmc_host *mmc, u32 opcode) +{ + int err; + struct sdhci_host *host = mmc_priv(mmc); + struct sdhci_acpi_host *acpi_host = sdhci_priv(host); + struct amd_sdhci_host *amd_host = sdhci_acpi_priv(acpi_host); + + amd_host->tuned_clock = false; + + err = sdhci_execute_tuning(mmc, opcode); + + if (!err && !host->tuning_err) + amd_host->tuned_clock = true; + + return err; +} + +static void amd_sdhci_reset(struct sdhci_host *host, u8 mask) +{ + struct sdhci_acpi_host *acpi_host = sdhci_priv(host); + struct amd_sdhci_host *amd_host = sdhci_acpi_priv(acpi_host); + + if (mask & SDHCI_RESET_ALL) { + amd_host->tuned_clock = false; + sdhci_acpi_amd_hs400_dll(host, false); } + + sdhci_reset(host, mask); } static const struct sdhci_ops sdhci_acpi_ops_amd = { .set_clock = sdhci_set_clock, .set_bus_width = sdhci_set_bus_width, - .reset = sdhci_reset, + .reset = amd_sdhci_reset, .set_uhs_signaling = sdhci_set_uhs_signaling, }; @@ -602,6 +664,7 @@ static int sdhci_acpi_emmc_amd_probe_slot(struct platform_device *pdev, host->mmc_host_ops.select_drive_strength = amd_select_drive_strength; host->mmc_host_ops.set_ios = amd_set_ios; + host->mmc_host_ops.execute_tuning = amd_sdhci_execute_tuning; return 0; } @@ -613,6 +676,7 @@ static const struct sdhci_acpi_slot sdhci_acpi_slot_amd_emmc = { SDHCI_QUIRK_32BIT_ADMA_SIZE, .quirks2 = SDHCI_QUIRK2_BROKEN_64_BIT_DMA, .probe_slot = sdhci_acpi_emmc_amd_probe_slot, + .priv_size = sizeof(struct amd_sdhci_host), }; struct sdhci_acpi_uid_slot { diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c index a76b4513fbec6b..d738907a622f7a 100644 --- a/drivers/mmc/host/sdhci-esdhc-imx.c +++ b/drivers/mmc/host/sdhci-esdhc-imx.c @@ -1556,7 +1556,7 @@ static int sdhci_esdhc_imx_probe_nondt(struct platform_device *pdev, "failed to request card-detect gpio!\n"); return err; } - /* fall through */ + fallthrough; case ESDHC_CD_CONTROLLER: /* we have a working card_detect back */ diff --git a/drivers/mmc/host/sdhci-msm.c b/drivers/mmc/host/sdhci-msm.c index 5a33389037cd0c..729868abd2dba4 100644 --- a/drivers/mmc/host/sdhci-msm.c +++ b/drivers/mmc/host/sdhci-msm.c @@ -1166,7 +1166,7 @@ static void sdhci_msm_set_cdr(struct sdhci_host *host, bool enable) static int sdhci_msm_execute_tuning(struct mmc_host *mmc, u32 opcode) { struct sdhci_host *host = mmc_priv(mmc); - int tuning_seq_cnt = 3; + int tuning_seq_cnt = 10; u8 phase, tuned_phases[16], tuned_phase_cnt = 0; int rc; struct mmc_ios ios = host->mmc->ios; @@ -1222,6 +1222,22 @@ retry: } while (++phase < ARRAY_SIZE(tuned_phases)); if (tuned_phase_cnt) { + if (tuned_phase_cnt == ARRAY_SIZE(tuned_phases)) { + /* + * All phases valid is _almost_ as bad as no phases + * valid. Probably all phases are not really reliable + * but we didn't detect where the unreliable place is. + * That means we'll essentially be guessing and hoping + * we get a good phase. Better to try a few times. + */ + dev_dbg(mmc_dev(mmc), "%s: All phases valid; try again\n", + mmc_hostname(mmc)); + if (--tuning_seq_cnt) { + tuned_phase_cnt = 0; + goto retry; + } + } + rc = msm_find_most_appropriate_phase(host, tuned_phases, tuned_phase_cnt); if (rc < 0) diff --git a/drivers/mmc/host/sdhci-of-esdhc.c b/drivers/mmc/host/sdhci-of-esdhc.c index 7c73d243dc6cee..45881b3099567d 100644 --- a/drivers/mmc/host/sdhci-of-esdhc.c +++ b/drivers/mmc/host/sdhci-of-esdhc.c @@ -81,6 +81,7 @@ struct sdhci_esdhc { bool quirk_tuning_erratum_type2; bool quirk_ignore_data_inhibit; bool quirk_delay_before_data_reset; + bool quirk_trans_complete_erratum; bool in_sw_tuning; unsigned int peripheral_clock; const struct esdhc_clk_fixup *clk_fixup; @@ -1177,10 +1178,11 @@ static void esdhc_set_uhs_signaling(struct sdhci_host *host, static u32 esdhc_irq(struct sdhci_host *host, u32 intmask) { + struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); + struct sdhci_esdhc *esdhc = sdhci_pltfm_priv(pltfm_host); u32 command; - if (of_find_compatible_node(NULL, NULL, - "fsl,p2020-esdhc")) { + if (esdhc->quirk_trans_complete_erratum) { command = SDHCI_GET_CMD(sdhci_readw(host, SDHCI_COMMAND)); if (command == MMC_WRITE_MULTIPLE_BLOCK && @@ -1334,8 +1336,10 @@ static void esdhc_init(struct platform_device *pdev, struct sdhci_host *host) esdhc->clk_fixup = match->data; np = pdev->dev.of_node; - if (of_device_is_compatible(np, "fsl,p2020-esdhc")) + if (of_device_is_compatible(np, "fsl,p2020-esdhc")) { esdhc->quirk_delay_before_data_reset = true; + esdhc->quirk_trans_complete_erratum = true; + } clk = of_clk_get(np, 0); if (!IS_ERR(clk)) { diff --git a/drivers/mmc/host/sdhci-pci-core.c b/drivers/mmc/host/sdhci-pci-core.c index bb6802448b2f4a..914f5184295ff8 100644 --- a/drivers/mmc/host/sdhci-pci-core.c +++ b/drivers/mmc/host/sdhci-pci-core.c @@ -232,6 +232,14 @@ static void sdhci_pci_dumpregs(struct mmc_host *mmc) sdhci_dumpregs(mmc_priv(mmc)); } +static void sdhci_cqhci_reset(struct sdhci_host *host, u8 mask) +{ + if ((host->mmc->caps2 & MMC_CAP2_CQE) && (mask & SDHCI_RESET_ALL) && + host->mmc->cqe_private) + cqhci_deactivate(host->mmc); + sdhci_reset(host, mask); +} + /*****************************************************************************\ * * * Hardware specific quirk handling * @@ -718,7 +726,7 @@ static const struct sdhci_ops sdhci_intel_glk_ops = { .set_power = sdhci_intel_set_power, .enable_dma = sdhci_pci_enable_dma, .set_bus_width = sdhci_set_bus_width, - .reset = sdhci_reset, + .reset = sdhci_cqhci_reset, .set_uhs_signaling = sdhci_set_uhs_signaling, .hw_reset = sdhci_pci_hw_reset, .irq = sdhci_cqhci_irq, @@ -786,7 +794,8 @@ static int byt_emmc_probe_slot(struct sdhci_pci_slot *slot) static bool glk_broken_cqhci(struct sdhci_pci_slot *slot) { return slot->chip->pdev->device == PCI_DEVICE_ID_INTEL_GLK_EMMC && - dmi_match(DMI_BIOS_VENDOR, "LENOVO"); + (dmi_match(DMI_BIOS_VENDOR, "LENOVO") || + dmi_match(DMI_SYS_VENDOR, "IRBIS")); } static int glk_emmc_probe_slot(struct sdhci_pci_slot *slot) diff --git a/drivers/mmc/host/sdhci-s3c.c b/drivers/mmc/host/sdhci-s3c.c index 9194bb73e601b7..080ced1e63f0ab 100644 --- a/drivers/mmc/host/sdhci-s3c.c +++ b/drivers/mmc/host/sdhci-s3c.c @@ -609,7 +609,7 @@ static int sdhci_s3c_probe(struct platform_device *pdev) switch (pdata->max_width) { case 8: host->mmc->caps |= MMC_CAP_8_BIT_DATA; - /* Fall through */ + fallthrough; case 4: host->mmc->caps |= MMC_CAP_4_BIT_DATA; break; diff --git a/drivers/mmc/host/sdhci-sprd.c b/drivers/mmc/host/sdhci-sprd.c index a910cb461ed7c1..bafa2e41c8b636 100644 --- a/drivers/mmc/host/sdhci-sprd.c +++ b/drivers/mmc/host/sdhci-sprd.c @@ -470,7 +470,7 @@ static int sdhci_sprd_voltage_switch(struct mmc_host *mmc, struct mmc_ios *ios) break; default: - /* fall-through */ + fallthrough; case MMC_SIGNAL_VOLTAGE_330: ret = pinctrl_select_state(sprd_host->pinctrl, sprd_host->pins_default); diff --git a/drivers/mmc/host/sdhci-tegra.c b/drivers/mmc/host/sdhci-tegra.c index 0a3f9d024f2ab5..13fbf70b5fde37 100644 --- a/drivers/mmc/host/sdhci-tegra.c +++ b/drivers/mmc/host/sdhci-tegra.c @@ -110,6 +110,12 @@ #define NVQUIRK_DIS_CARD_CLK_CONFIG_TAP BIT(8) #define NVQUIRK_CQHCI_DCMD_R1B_CMD_TIMING BIT(9) +/* + * NVQUIRK_HAS_TMCLK is for SoC's having separate timeout clock for Tegra + * SDMMC hardware data timeout. + */ +#define NVQUIRK_HAS_TMCLK BIT(10) + /* SDMMC CQE Base Address for Tegra Host Ver 4.1 and Higher */ #define SDHCI_TEGRA_CQE_BASE_ADDR 0xF000 @@ -140,6 +146,7 @@ struct sdhci_tegra_autocal_offsets { struct sdhci_tegra { const struct sdhci_tegra_soc_data *soc_data; struct gpio_desc *power_gpio; + struct clk *tmclk; bool ddr_signaling; bool pad_calib_required; bool pad_control_available; @@ -1418,7 +1425,6 @@ static const struct sdhci_ops tegra210_sdhci_ops = { static const struct sdhci_pltfm_data sdhci_tegra210_pdata = { .quirks = SDHCI_QUIRK_BROKEN_TIMEOUT_VAL | - SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK | SDHCI_QUIRK_SINGLE_POWER_WRITE | SDHCI_QUIRK_NO_HISPD_BIT | SDHCI_QUIRK_BROKEN_ADMA_ZEROLEN_DESC | @@ -1434,7 +1440,8 @@ static const struct sdhci_tegra_soc_data soc_data_tegra210 = { NVQUIRK_HAS_PADCALIB | NVQUIRK_DIS_CARD_CLK_CONFIG_TAP | NVQUIRK_ENABLE_SDR50 | - NVQUIRK_ENABLE_SDR104, + NVQUIRK_ENABLE_SDR104 | + NVQUIRK_HAS_TMCLK, .min_tap_delay = 106, .max_tap_delay = 185, }; @@ -1456,7 +1463,6 @@ static const struct sdhci_ops tegra186_sdhci_ops = { static const struct sdhci_pltfm_data sdhci_tegra186_pdata = { .quirks = SDHCI_QUIRK_BROKEN_TIMEOUT_VAL | - SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK | SDHCI_QUIRK_SINGLE_POWER_WRITE | SDHCI_QUIRK_NO_HISPD_BIT | SDHCI_QUIRK_BROKEN_ADMA_ZEROLEN_DESC | @@ -1473,6 +1479,7 @@ static const struct sdhci_tegra_soc_data soc_data_tegra186 = { NVQUIRK_DIS_CARD_CLK_CONFIG_TAP | NVQUIRK_ENABLE_SDR50 | NVQUIRK_ENABLE_SDR104 | + NVQUIRK_HAS_TMCLK | NVQUIRK_CQHCI_DCMD_R1B_CMD_TIMING, .min_tap_delay = 84, .max_tap_delay = 136, @@ -1485,7 +1492,8 @@ static const struct sdhci_tegra_soc_data soc_data_tegra194 = { NVQUIRK_HAS_PADCALIB | NVQUIRK_DIS_CARD_CLK_CONFIG_TAP | NVQUIRK_ENABLE_SDR50 | - NVQUIRK_ENABLE_SDR104, + NVQUIRK_ENABLE_SDR104 | + NVQUIRK_HAS_TMCLK, .min_tap_delay = 96, .max_tap_delay = 139, }; @@ -1613,6 +1621,43 @@ static int sdhci_tegra_probe(struct platform_device *pdev) goto err_power_req; } + /* + * Tegra210 has a separate SDMMC_LEGACY_TM clock used for host + * timeout clock and SW can choose TMCLK or SDCLK for hardware + * data timeout through the bit USE_TMCLK_FOR_DATA_TIMEOUT of + * the register SDHCI_TEGRA_VENDOR_SYS_SW_CTRL. + * + * USE_TMCLK_FOR_DATA_TIMEOUT bit default is set to 1 and SDMMC uses + * 12Mhz TMCLK which is advertised in host capability register. + * With TMCLK of 12Mhz provides maximum data timeout period that can + * be achieved is 11s better than using SDCLK for data timeout. + * + * So, TMCLK is set to 12Mhz and kept enabled all the time on SoC's + * supporting separate TMCLK. + */ + + if (soc_data->nvquirks & NVQUIRK_HAS_TMCLK) { + clk = devm_clk_get(&pdev->dev, "tmclk"); + if (IS_ERR(clk)) { + rc = PTR_ERR(clk); + if (rc == -EPROBE_DEFER) + goto err_power_req; + + dev_warn(&pdev->dev, "failed to get tmclk: %d\n", rc); + clk = NULL; + } + + clk_set_rate(clk, 12000000); + rc = clk_prepare_enable(clk); + if (rc) { + dev_err(&pdev->dev, + "failed to enable tmclk: %d\n", rc); + goto err_power_req; + } + + tegra_host->tmclk = clk; + } + clk = devm_clk_get(mmc_dev(host->mmc), NULL); if (IS_ERR(clk)) { rc = PTR_ERR(clk); @@ -1656,6 +1701,7 @@ err_add_host: err_rst_get: clk_disable_unprepare(pltfm_host->clk); err_clk_get: + clk_disable_unprepare(tegra_host->tmclk); err_power_req: err_parse_dt: sdhci_pltfm_free(pdev); @@ -1673,6 +1719,7 @@ static int sdhci_tegra_remove(struct platform_device *pdev) reset_control_assert(tegra_host->rst); usleep_range(2000, 4000); clk_disable_unprepare(pltfm_host->clk); + clk_disable_unprepare(tegra_host->tmclk); sdhci_pltfm_free(pdev); diff --git a/drivers/mmc/host/sdhci-xenon-phy.c b/drivers/mmc/host/sdhci-xenon-phy.c index e6e9e286cc3489..03ce57ef458588 100644 --- a/drivers/mmc/host/sdhci-xenon-phy.c +++ b/drivers/mmc/host/sdhci-xenon-phy.c @@ -527,7 +527,7 @@ static bool xenon_emmc_phy_slow_mode(struct sdhci_host *host, ret = true; break; } - /* fall through */ + fallthrough; default: reg &= ~XENON_TIMING_ADJUST_SLOW_MODE; ret = false; diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index 3ad394b40eb18c..592a55a34b58eb 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -2825,7 +2825,7 @@ int sdhci_execute_tuning(struct mmc_host *mmc, u32 opcode) case MMC_TIMING_UHS_SDR50: if (host->flags & SDHCI_SDR50_NEEDS_TUNING) break; - /* FALLTHROUGH */ + fallthrough; default: goto out; diff --git a/drivers/mmc/host/tifm_sd.c b/drivers/mmc/host/tifm_sd.c index 5987656e0474cd..fd8b72d3e02c9a 100644 --- a/drivers/mmc/host/tifm_sd.c +++ b/drivers/mmc/host/tifm_sd.c @@ -335,7 +335,7 @@ static unsigned int tifm_sd_op_flags(struct mmc_command *cmd) break; case MMC_RSP_R1B: rc |= TIFM_MMCSD_RSP_BUSY; - /* fall-through */ + fallthrough; case MMC_RSP_R1: rc |= TIFM_MMCSD_RSP_R1; break; diff --git a/drivers/mmc/host/usdhi6rol0.c b/drivers/mmc/host/usdhi6rol0.c index 369b8dee2e3d3f..7666c90054ae93 100644 --- a/drivers/mmc/host/usdhi6rol0.c +++ b/drivers/mmc/host/usdhi6rol0.c @@ -1343,7 +1343,7 @@ static int usdhi6_stop_cmd(struct usdhi6_host *host) host->wait = USDHI6_WAIT_FOR_STOP; return 0; } - /* fall through - Unsupported STOP command. */ + fallthrough; /* Unsupported STOP command */ default: dev_err(mmc_dev(host->mmc), "unsupported stop CMD%d for CMD%d\n", @@ -1691,7 +1691,7 @@ static void usdhi6_timeout_work(struct work_struct *work) switch (host->wait) { default: dev_err(mmc_dev(host->mmc), "Invalid state %u\n", host->wait); - /* fall through - mrq can be NULL, but is impossible. */ + fallthrough; /* mrq can be NULL, but is impossible */ case USDHI6_WAIT_FOR_CMD: usdhi6_error_code(host); if (mrq) @@ -1713,7 +1713,7 @@ static void usdhi6_timeout_work(struct work_struct *work) host->offset, data->blocks, data->blksz, data->sg_len, sg_dma_len(sg), sg->offset); usdhi6_sg_unmap(host, true); - /* fall through - page unmapped in USDHI6_WAIT_FOR_DATA_END. */ + fallthrough; /* page unmapped in USDHI6_WAIT_FOR_DATA_END */ case USDHI6_WAIT_FOR_DATA_END: usdhi6_error_code(host); data->error = -ETIMEDOUT; diff --git a/drivers/mtd/spi-nor/core.c b/drivers/mtd/spi-nor/core.c index 65eff4ce6ab1f9..0369d98b2d12ef 100644 --- a/drivers/mtd/spi-nor/core.c +++ b/drivers/mtd/spi-nor/core.c @@ -1907,16 +1907,15 @@ static int spi_nor_is_locked(struct mtd_info *mtd, loff_t ofs, uint64_t len) } /** - * spi_nor_sr1_bit6_quad_enable() - Set/Unset the Quad Enable BIT(6) in the - * Status Register 1. + * spi_nor_sr1_bit6_quad_enable() - Set the Quad Enable BIT(6) in the Status + * Register 1. * @nor: pointer to a 'struct spi_nor' - * @enable: true to enable Quad mode, false to disable Quad mode. * * Bit 6 of the Status Register 1 is the QE bit for Macronix like QSPI memories. * * Return: 0 on success, -errno otherwise. */ -int spi_nor_sr1_bit6_quad_enable(struct spi_nor *nor, bool enable) +int spi_nor_sr1_bit6_quad_enable(struct spi_nor *nor) { int ret; @@ -1924,56 +1923,45 @@ int spi_nor_sr1_bit6_quad_enable(struct spi_nor *nor, bool enable) if (ret) return ret; - if ((enable && (nor->bouncebuf[0] & SR1_QUAD_EN_BIT6)) || - (!enable && !(nor->bouncebuf[0] & SR1_QUAD_EN_BIT6))) + if (nor->bouncebuf[0] & SR1_QUAD_EN_BIT6) return 0; - if (enable) - nor->bouncebuf[0] |= SR1_QUAD_EN_BIT6; - else - nor->bouncebuf[0] &= ~SR1_QUAD_EN_BIT6; + nor->bouncebuf[0] |= SR1_QUAD_EN_BIT6; return spi_nor_write_sr1_and_check(nor, nor->bouncebuf[0]); } /** - * spi_nor_sr2_bit1_quad_enable() - set/unset the Quad Enable BIT(1) in the - * Status Register 2. + * spi_nor_sr2_bit1_quad_enable() - set the Quad Enable BIT(1) in the Status + * Register 2. * @nor: pointer to a 'struct spi_nor'. - * @enable: true to enable Quad mode, false to disable Quad mode. * * Bit 1 of the Status Register 2 is the QE bit for Spansion like QSPI memories. * * Return: 0 on success, -errno otherwise. */ -int spi_nor_sr2_bit1_quad_enable(struct spi_nor *nor, bool enable) +int spi_nor_sr2_bit1_quad_enable(struct spi_nor *nor) { int ret; if (nor->flags & SNOR_F_NO_READ_CR) - return spi_nor_write_16bit_cr_and_check(nor, - enable ? SR2_QUAD_EN_BIT1 : 0); + return spi_nor_write_16bit_cr_and_check(nor, SR2_QUAD_EN_BIT1); ret = spi_nor_read_cr(nor, nor->bouncebuf); if (ret) return ret; - if ((enable && (nor->bouncebuf[0] & SR2_QUAD_EN_BIT1)) || - (!enable && !(nor->bouncebuf[0] & SR2_QUAD_EN_BIT1))) + if (nor->bouncebuf[0] & SR2_QUAD_EN_BIT1) return 0; - if (enable) - nor->bouncebuf[0] |= SR2_QUAD_EN_BIT1; - else - nor->bouncebuf[0] &= ~SR2_QUAD_EN_BIT1; + nor->bouncebuf[0] |= SR2_QUAD_EN_BIT1; return spi_nor_write_16bit_cr_and_check(nor, nor->bouncebuf[0]); } /** - * spi_nor_sr2_bit7_quad_enable() - set/unset QE bit in Status Register 2. + * spi_nor_sr2_bit7_quad_enable() - set QE bit in Status Register 2. * @nor: pointer to a 'struct spi_nor' - * @enable: true to enable Quad mode, false to disable Quad mode. * * Set the Quad Enable (QE) bit in the Status Register 2. * @@ -1983,7 +1971,7 @@ int spi_nor_sr2_bit1_quad_enable(struct spi_nor *nor, bool enable) * * Return: 0 on success, -errno otherwise. */ -int spi_nor_sr2_bit7_quad_enable(struct spi_nor *nor, bool enable) +int spi_nor_sr2_bit7_quad_enable(struct spi_nor *nor) { u8 *sr2 = nor->bouncebuf; int ret; @@ -1993,15 +1981,11 @@ int spi_nor_sr2_bit7_quad_enable(struct spi_nor *nor, bool enable) ret = spi_nor_read_sr2(nor, sr2); if (ret) return ret; - if ((enable && (*sr2 & SR2_QUAD_EN_BIT7)) || - (!enable && !(*sr2 & SR2_QUAD_EN_BIT7))) + if (*sr2 & SR2_QUAD_EN_BIT7) return 0; /* Update the Quad Enable bit. */ - if (enable) - *sr2 |= SR2_QUAD_EN_BIT7; - else - *sr2 &= ~SR2_QUAD_EN_BIT7; + *sr2 |= SR2_QUAD_EN_BIT7; ret = spi_nor_write_sr2(nor, sr2); if (ret) @@ -2914,13 +2898,12 @@ static int spi_nor_init_params(struct spi_nor *nor) } /** - * spi_nor_quad_enable() - enable/disable Quad I/O if needed. + * spi_nor_quad_enable() - enable Quad I/O if needed. * @nor: pointer to a 'struct spi_nor' - * @enable: true to enable Quad mode. false to disable Quad mode. * * Return: 0 on success, -errno otherwise. */ -static int spi_nor_quad_enable(struct spi_nor *nor, bool enable) +static int spi_nor_quad_enable(struct spi_nor *nor) { if (!nor->params->quad_enable) return 0; @@ -2929,7 +2912,7 @@ static int spi_nor_quad_enable(struct spi_nor *nor, bool enable) spi_nor_get_protocol_width(nor->write_proto) == 4)) return 0; - return nor->params->quad_enable(nor, enable); + return nor->params->quad_enable(nor); } /** @@ -2953,7 +2936,7 @@ static int spi_nor_init(struct spi_nor *nor) { int err; - err = spi_nor_quad_enable(nor, true); + err = spi_nor_quad_enable(nor); if (err) { dev_dbg(nor->dev, "quad mode not supported\n"); return err; @@ -3000,8 +2983,6 @@ void spi_nor_restore(struct spi_nor *nor) if (nor->addr_width == 4 && !(nor->flags & SNOR_F_4B_OPCODES) && nor->flags & SNOR_F_BROKEN_RESET) nor->params->set_4byte_addr_mode(nor, false); - - spi_nor_quad_enable(nor, false); } EXPORT_SYMBOL_GPL(spi_nor_restore); diff --git a/drivers/mtd/spi-nor/core.h b/drivers/mtd/spi-nor/core.h index 95aa32f3ceb188..6f2f6b27173fd5 100644 --- a/drivers/mtd/spi-nor/core.h +++ b/drivers/mtd/spi-nor/core.h @@ -198,7 +198,7 @@ struct spi_nor_locking_ops { * higher index in the array, the higher priority. * @erase_map: the erase map parsed from the SFDP Sector Map Parameter * Table. - * @quad_enable: enables/disables SPI NOR Quad mode. + * @quad_enable: enables SPI NOR quad mode. * @set_4byte_addr_mode: puts the SPI NOR in 4 byte addressing mode. * @convert_addr: converts an absolute address into something the flash * will understand. Particularly useful when pagesize is @@ -219,7 +219,7 @@ struct spi_nor_flash_parameter { struct spi_nor_erase_map erase_map; - int (*quad_enable)(struct spi_nor *nor, bool enable); + int (*quad_enable)(struct spi_nor *nor); int (*set_4byte_addr_mode)(struct spi_nor *nor, bool enable); u32 (*convert_addr)(struct spi_nor *nor, u32 addr); int (*setup)(struct spi_nor *nor, const struct spi_nor_hwcaps *hwcaps); @@ -406,9 +406,9 @@ int spi_nor_write_ear(struct spi_nor *nor, u8 ear); int spi_nor_wait_till_ready(struct spi_nor *nor); int spi_nor_lock_and_prep(struct spi_nor *nor); void spi_nor_unlock_and_unprep(struct spi_nor *nor); -int spi_nor_sr1_bit6_quad_enable(struct spi_nor *nor, bool enable); -int spi_nor_sr2_bit1_quad_enable(struct spi_nor *nor, bool enable); -int spi_nor_sr2_bit7_quad_enable(struct spi_nor *nor, bool enable); +int spi_nor_sr1_bit6_quad_enable(struct spi_nor *nor); +int spi_nor_sr2_bit1_quad_enable(struct spi_nor *nor); +int spi_nor_sr2_bit7_quad_enable(struct spi_nor *nor); int spi_nor_xread_sr(struct spi_nor *nor, u8 *sr); ssize_t spi_nor_read_data(struct spi_nor *nor, loff_t from, size_t len, diff --git a/drivers/mux/adgs1408.c b/drivers/mux/adgs1408.c index 12466b06692c83..22ed051eb1a4a5 100644 --- a/drivers/mux/adgs1408.c +++ b/drivers/mux/adgs1408.c @@ -93,7 +93,7 @@ static int adgs1408_probe(struct spi_device *spi) mux->idle_state = idle_state; break; } - /* fall through */ + fallthrough; default: dev_err(dev, "invalid idle-state %d\n", idle_state); return -EINVAL; diff --git a/drivers/net/appletalk/cops.c b/drivers/net/appletalk/cops.c index 18428e104445f2..1c6c27f35ac4bc 100644 --- a/drivers/net/appletalk/cops.c +++ b/drivers/net/appletalk/cops.c @@ -301,7 +301,7 @@ static int __init cops_probe1(struct net_device *dev, int ioaddr) dev->irq = cops_irq(ioaddr, board); if (dev->irq) break; - /* fall through - Once no IRQ found on this port. */ + fallthrough; /* Once no IRQ found on this port */ case 1: retval = -EINVAL; goto err_out; diff --git a/drivers/net/arcnet/arc-rimi.c b/drivers/net/arcnet/arc-rimi.c index 14a5fb37814535..98df38fe553ced 100644 --- a/drivers/net/arcnet/arc-rimi.c +++ b/drivers/net/arcnet/arc-rimi.c @@ -363,13 +363,13 @@ static int __init arcrimi_setup(char *s) switch (ints[0]) { default: /* ERROR */ pr_err("Too many arguments\n"); - /* Fall through */ + fallthrough; case 3: /* Node ID */ node = ints[3]; - /* Fall through */ + fallthrough; case 2: /* IRQ */ irq = ints[2]; - /* Fall through */ + fallthrough; case 1: /* IO address */ io = ints[1]; } diff --git a/drivers/net/arcnet/com20020-isa.c b/drivers/net/arcnet/com20020-isa.c index cd27fdc1059b90..f983c4ce6b07f1 100644 --- a/drivers/net/arcnet/com20020-isa.c +++ b/drivers/net/arcnet/com20020-isa.c @@ -197,22 +197,22 @@ static int __init com20020isa_setup(char *s) switch (ints[0]) { default: /* ERROR */ pr_info("Too many arguments\n"); - /* Fall through */ + fallthrough; case 6: /* Timeout */ timeout = ints[6]; - /* Fall through */ + fallthrough; case 5: /* CKP value */ clockp = ints[5]; - /* Fall through */ + fallthrough; case 4: /* Backplane flag */ backplane = ints[4]; - /* Fall through */ + fallthrough; case 3: /* Node ID */ node = ints[3]; - /* Fall through */ + fallthrough; case 2: /* IRQ */ irq = ints[2]; - /* Fall through */ + fallthrough; case 1: /* IO address */ io = ints[1]; } diff --git a/drivers/net/arcnet/com90io.c b/drivers/net/arcnet/com90io.c index 186bbf87bc849f..cf214b73067154 100644 --- a/drivers/net/arcnet/com90io.c +++ b/drivers/net/arcnet/com90io.c @@ -363,10 +363,10 @@ static int __init com90io_setup(char *s) switch (ints[0]) { default: /* ERROR */ pr_err("Too many arguments\n"); - /* Fall through */ + fallthrough; case 2: /* IRQ */ irq = ints[2]; - /* Fall through */ + fallthrough; case 1: /* IO address */ io = ints[1]; } diff --git a/drivers/net/arcnet/com90xx.c b/drivers/net/arcnet/com90xx.c index bd75d06ad7dfc9..3dc3d533cb19a2 100644 --- a/drivers/net/arcnet/com90xx.c +++ b/drivers/net/arcnet/com90xx.c @@ -693,13 +693,13 @@ static int __init com90xx_setup(char *s) switch (ints[0]) { default: /* ERROR */ pr_err("Too many arguments\n"); - /* Fall through */ + fallthrough; case 3: /* Mem address */ shmem = ints[3]; - /* Fall through */ + fallthrough; case 2: /* IRQ */ irq = ints[2]; - /* Fall through */ + fallthrough; case 1: /* IO address */ io = ints[1]; } diff --git a/drivers/net/bonding/bond_3ad.c b/drivers/net/bonding/bond_3ad.c index cddaa43a9d527b..aa001b16765ae1 100644 --- a/drivers/net/bonding/bond_3ad.c +++ b/drivers/net/bonding/bond_3ad.c @@ -1149,7 +1149,7 @@ static void ad_rx_machine(struct lacpdu *lacpdu, struct port *port) port->actor_oper_port_state &= ~LACP_STATE_EXPIRED; port->sm_rx_state = AD_RX_PORT_DISABLED; - /* Fall Through */ + fallthrough; case AD_RX_PORT_DISABLED: port->sm_vars &= ~AD_PORT_MATCHED; break; @@ -1588,7 +1588,7 @@ static struct aggregator *ad_agg_selection_test(struct aggregator *best, if (__agg_active_ports(curr) < __agg_active_ports(best)) return best; - /*FALLTHROUGH*/ + fallthrough; case BOND_AD_STABLE: case BOND_AD_BANDWIDTH: if (__get_agg_bandwidth(curr) > __get_agg_bandwidth(best)) diff --git a/drivers/net/bonding/bond_alb.c b/drivers/net/bonding/bond_alb.c index 4e1b7deb724b4a..c3091e00dd5fb2 100644 --- a/drivers/net/bonding/bond_alb.c +++ b/drivers/net/bonding/bond_alb.c @@ -942,9 +942,10 @@ struct alb_walk_data { bool strict_match; }; -static int alb_upper_dev_walk(struct net_device *upper, void *_data) +static int alb_upper_dev_walk(struct net_device *upper, + struct netdev_nested_priv *priv) { - struct alb_walk_data *data = _data; + struct alb_walk_data *data = (struct alb_walk_data *)priv->data; bool strict_match = data->strict_match; struct bonding *bond = data->bond; struct slave *slave = data->slave; @@ -983,6 +984,7 @@ static void alb_send_learning_packets(struct slave *slave, u8 mac_addr[], bool strict_match) { struct bonding *bond = bond_get_bond_by_slave(slave); + struct netdev_nested_priv priv; struct alb_walk_data data = { .strict_match = strict_match, .mac_addr = mac_addr, @@ -990,6 +992,7 @@ static void alb_send_learning_packets(struct slave *slave, u8 mac_addr[], .bond = bond, }; + priv.data = (void *)&data; /* send untagged */ alb_send_lp_vid(slave, mac_addr, 0, 0); @@ -997,7 +1000,7 @@ static void alb_send_learning_packets(struct slave *slave, u8 mac_addr[], * for that device. */ rcu_read_lock(); - netdev_walk_all_upper_dev_rcu(bond->dev, alb_upper_dev_walk, &data); + netdev_walk_all_upper_dev_rcu(bond->dev, alb_upper_dev_walk, &priv); rcu_read_unlock(); } diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index c5d3032dd1a215..84ecbc6fa0ff21 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -1315,6 +1315,7 @@ static void bond_setup_by_slave(struct net_device *bond_dev, bond_dev->type = slave_dev->type; bond_dev->hard_header_len = slave_dev->hard_header_len; + bond_dev->needed_headroom = slave_dev->needed_headroom; bond_dev->addr_len = slave_dev->addr_len; memcpy(bond_dev->broadcast, slave_dev->broadcast, @@ -2274,7 +2275,7 @@ static int bond_miimon_inspect(struct bonding *bond) "active " : "backup ") : "", bond->params.downdelay * bond->params.miimon); } - /*FALLTHRU*/ + fallthrough; case BOND_LINK_FAIL: if (link_state) { /* recovered before downdelay expired */ @@ -2310,7 +2311,7 @@ static int bond_miimon_inspect(struct bonding *bond) bond->params.updelay * bond->params.miimon); } - /*FALLTHRU*/ + fallthrough; case BOND_LINK_BACK: if (!link_state) { bond_propose_link_state(slave, BOND_LINK_DOWN); @@ -2510,22 +2511,26 @@ re_arm: } } -static int bond_upper_dev_walk(struct net_device *upper, void *data) +static int bond_upper_dev_walk(struct net_device *upper, + struct netdev_nested_priv *priv) { - __be32 ip = *((__be32 *)data); + __be32 ip = *(__be32 *)priv->data; return ip == bond_confirm_addr(upper, 0, ip); } static bool bond_has_this_ip(struct bonding *bond, __be32 ip) { + struct netdev_nested_priv priv = { + .data = (void *)&ip, + }; bool ret = false; if (ip == bond_confirm_addr(bond->dev, 0, ip)) return true; rcu_read_lock(); - if (netdev_walk_all_upper_dev_rcu(bond->dev, bond_upper_dev_walk, &ip)) + if (netdev_walk_all_upper_dev_rcu(bond->dev, bond_upper_dev_walk, &priv)) ret = true; rcu_read_unlock(); @@ -3322,7 +3327,7 @@ static int bond_slave_netdev_event(unsigned long event, if (BOND_MODE(bond) == BOND_MODE_8023AD) bond_3ad_adapter_speed_duplex_changed(slave); - /* Fallthrough */ + fallthrough; case NETDEV_DOWN: /* Refresh slave-array if applicable! * If the setup does not use miimon or arpmon (mode-specific!), @@ -3760,7 +3765,7 @@ static int bond_do_ioctl(struct net_device *bond_dev, struct ifreq *ifr, int cmd return -EINVAL; mii->phy_id = 0; - /* Fall Through */ + fallthrough; case SIOCGMIIREG: /* We do this again just in case we were called by SIOCGMIIREG * instead of SIOCGMIIPHY. diff --git a/drivers/net/can/at91_can.c b/drivers/net/can/at91_can.c index 9df2007b5e56b5..38e9f80ed1ef68 100644 --- a/drivers/net/can/at91_can.c +++ b/drivers/net/can/at91_can.c @@ -898,7 +898,7 @@ static void at91_irq_err_state(struct net_device *dev, CAN_ERR_CRTL_TX_WARNING : CAN_ERR_CRTL_RX_WARNING; } - /* fall through */ + fallthrough; case CAN_STATE_ERROR_WARNING: /* * from: ERROR_ACTIVE, ERROR_WARNING @@ -948,7 +948,7 @@ static void at91_irq_err_state(struct net_device *dev, netdev_dbg(dev, "Error Active\n"); cf->can_id |= CAN_ERR_PROT; cf->data[2] = CAN_ERR_PROT_ACTIVE; - /* fall through */ + fallthrough; case CAN_STATE_ERROR_WARNING: reg_idr = AT91_IRQ_ERRA | AT91_IRQ_WARN | AT91_IRQ_BOFF; reg_ier = AT91_IRQ_ERRP; diff --git a/drivers/net/can/peak_canfd/peak_pciefd_main.c b/drivers/net/can/peak_canfd/peak_pciefd_main.c index 6ad83a88103950..9469d4421afe5d 100644 --- a/drivers/net/can/peak_canfd/peak_pciefd_main.c +++ b/drivers/net/can/peak_canfd/peak_pciefd_main.c @@ -659,7 +659,7 @@ static int pciefd_can_probe(struct pciefd_board *pciefd) pciefd_can_writereg(priv, CANFD_CLK_SEL_80MHZ, PCIEFD_REG_CAN_CLK_SEL); - /* fall through */ + fallthrough; case CANFD_CLK_SEL_80MHZ: priv->ucan.can.clock.freq = 80 * 1000 * 1000; break; diff --git a/drivers/net/can/sja1000/sja1000_platform.c b/drivers/net/can/sja1000/sja1000_platform.c index d7222ba466225c..d7c2ec529b8f13 100644 --- a/drivers/net/can/sja1000/sja1000_platform.c +++ b/drivers/net/can/sja1000/sja1000_platform.c @@ -150,7 +150,7 @@ static void sp_populate_of(struct sja1000_priv *priv, struct device_node *of) priv->read_reg = sp_read_reg16; priv->write_reg = sp_write_reg16; break; - case 1: /* fallthrough */ + case 1: default: priv->read_reg = sp_read_reg8; priv->write_reg = sp_write_reg8; diff --git a/drivers/net/can/slcan.c b/drivers/net/can/slcan.c index 91cdc0a2b1a740..b4a39f0449ba4b 100644 --- a/drivers/net/can/slcan.c +++ b/drivers/net/can/slcan.c @@ -153,7 +153,7 @@ static void slc_bump(struct slcan *sl) switch (*cmd) { case 'r': cf.can_id = CAN_RTR_FLAG; - /* fallthrough */ + fallthrough; case 't': /* store dlc ASCII value and terminate SFF CAN ID string */ cf.can_dlc = sl->rbuff[SLC_CMD_LEN + SLC_SFF_ID_LEN]; @@ -163,7 +163,7 @@ static void slc_bump(struct slcan *sl) break; case 'R': cf.can_id = CAN_RTR_FLAG; - /* fallthrough */ + fallthrough; case 'T': cf.can_id |= CAN_EFF_FLAG; /* store dlc ASCII value and terminate EFF CAN ID string */ diff --git a/drivers/net/can/spi/mcp251x.c b/drivers/net/can/spi/mcp251x.c index 5009ff29494113..d17608870f2d2f 100644 --- a/drivers/net/can/spi/mcp251x.c +++ b/drivers/net/can/spi/mcp251x.c @@ -864,7 +864,7 @@ static irqreturn_t mcp251x_can_ist(int irq, void *dev_id) if (new_state >= CAN_STATE_ERROR_WARNING && new_state <= CAN_STATE_BUS_OFF) priv->can.can_stats.error_warning++; - /* fall through */ + fallthrough; case CAN_STATE_ERROR_WARNING: if (new_state >= CAN_STATE_ERROR_PASSIVE && new_state <= CAN_STATE_BUS_OFF) diff --git a/drivers/net/can/usb/peak_usb/pcan_usb.c b/drivers/net/can/usb/peak_usb/pcan_usb.c index d2539c95adb65c..66d0198e7834db 100644 --- a/drivers/net/can/usb/peak_usb/pcan_usb.c +++ b/drivers/net/can/usb/peak_usb/pcan_usb.c @@ -415,7 +415,7 @@ static int pcan_usb_decode_error(struct pcan_usb_msg_context *mc, u8 n, new_state = CAN_STATE_ERROR_WARNING; break; } - /* fall through */ + fallthrough; case CAN_STATE_ERROR_WARNING: if (n & PCAN_USB_ERROR_BUS_HEAVY) { diff --git a/drivers/net/can/usb/peak_usb/pcan_usb_core.c b/drivers/net/can/usb/peak_usb/pcan_usb_core.c index 0b7766b715fd22..d91df34e7fa880 100644 --- a/drivers/net/can/usb/peak_usb/pcan_usb_core.c +++ b/drivers/net/can/usb/peak_usb/pcan_usb_core.c @@ -345,7 +345,7 @@ static netdev_tx_t peak_usb_ndo_start_xmit(struct sk_buff *skb, default: netdev_warn(netdev, "tx urb submitting failed err=%d\n", err); - /* fall through */ + fallthrough; case -ENOENT: /* cable unplugged */ stats->tx_dropped++; diff --git a/drivers/net/can/usb/peak_usb/pcan_usb_pro.c b/drivers/net/can/usb/peak_usb/pcan_usb_pro.c index 53cb2f72bdd057..1689ab38761206 100644 --- a/drivers/net/can/usb/peak_usb/pcan_usb_pro.c +++ b/drivers/net/can/usb/peak_usb/pcan_usb_pro.c @@ -133,10 +133,10 @@ static int pcan_msg_add_rec(struct pcan_usb_pro_msg *pm, int id, ...) switch (id) { case PCAN_USBPRO_TXMSG8: i += 4; - /* fall through */ + fallthrough; case PCAN_USBPRO_TXMSG4: i += 4; - /* fall through */ + fallthrough; case PCAN_USBPRO_TXMSG0: *pc++ = va_arg(ap, int); *pc++ = va_arg(ap, int); diff --git a/drivers/net/dsa/b53/b53_common.c b/drivers/net/dsa/b53/b53_common.c index 0837ae0e0c5e21..e731db900ee02a 100644 --- a/drivers/net/dsa/b53/b53_common.c +++ b/drivers/net/dsa/b53/b53_common.c @@ -1061,7 +1061,7 @@ static void b53_force_port_config(struct b53_device *dev, int port, switch (speed) { case 2000: reg |= PORT_OVERRIDE_SPEED_2000M; - /* fallthrough */ + fallthrough; case SPEED_1000: reg |= PORT_OVERRIDE_SPEED_1000M; break; diff --git a/drivers/net/dsa/b53/b53_serdes.c b/drivers/net/dsa/b53/b53_serdes.c index 629bf14128a283..5ae3d9783b68cf 100644 --- a/drivers/net/dsa/b53/b53_serdes.c +++ b/drivers/net/dsa/b53/b53_serdes.c @@ -170,7 +170,7 @@ void b53_serdes_phylink_validate(struct b53_device *dev, int port, switch (lane) { case 0: phylink_set(supported, 2500baseX_Full); - /* fallthrough */ + fallthrough; case 1: phylink_set(supported, 1000baseX_Full); break; diff --git a/drivers/net/dsa/bcm_sf2.c b/drivers/net/dsa/bcm_sf2.c index bafddb35f3a990..5ebff986a1ac74 100644 --- a/drivers/net/dsa/bcm_sf2.c +++ b/drivers/net/dsa/bcm_sf2.c @@ -566,7 +566,7 @@ static void bcm_sf2_sw_mac_config(struct dsa_switch *ds, int port, switch (state->interface) { case PHY_INTERFACE_MODE_RGMII: id_mode_dis = 1; - /* fallthrough */ + fallthrough; case PHY_INTERFACE_MODE_RGMII_TXID: port_mode = EXT_GPHY; break; diff --git a/drivers/net/dsa/microchip/ksz8795.c b/drivers/net/dsa/microchip/ksz8795.c index 8f1d15ea15d9a7..f5779e15237781 100644 --- a/drivers/net/dsa/microchip/ksz8795.c +++ b/drivers/net/dsa/microchip/ksz8795.c @@ -932,11 +932,19 @@ static void ksz8795_port_setup(struct ksz_device *dev, int port, bool cpu_port) ksz_port_cfg(dev, port, P_PRIO_CTRL, PORT_802_1P_ENABLE, true); if (cpu_port) { + if (!p->interface && dev->compat_interface) { + dev_warn(dev->dev, + "Using legacy switch \"phy-mode\" property, because it is missing on port %d node. " + "Please update your device tree.\n", + port); + p->interface = dev->compat_interface; + } + /* Configure MII interface for proper network communication. */ ksz_read8(dev, REG_PORT_5_CTRL_6, &data8); data8 &= ~PORT_INTERFACE_TYPE; data8 &= ~PORT_GMII_1GPS_MODE; - switch (dev->interface) { + switch (p->interface) { case PHY_INTERFACE_MODE_MII: p->phydev.speed = SPEED_100; break; @@ -952,11 +960,11 @@ static void ksz8795_port_setup(struct ksz_device *dev, int port, bool cpu_port) default: data8 &= ~PORT_RGMII_ID_IN_ENABLE; data8 &= ~PORT_RGMII_ID_OUT_ENABLE; - if (dev->interface == PHY_INTERFACE_MODE_RGMII_ID || - dev->interface == PHY_INTERFACE_MODE_RGMII_RXID) + if (p->interface == PHY_INTERFACE_MODE_RGMII_ID || + p->interface == PHY_INTERFACE_MODE_RGMII_RXID) data8 |= PORT_RGMII_ID_IN_ENABLE; - if (dev->interface == PHY_INTERFACE_MODE_RGMII_ID || - dev->interface == PHY_INTERFACE_MODE_RGMII_TXID) + if (p->interface == PHY_INTERFACE_MODE_RGMII_ID || + p->interface == PHY_INTERFACE_MODE_RGMII_TXID) data8 |= PORT_RGMII_ID_OUT_ENABLE; data8 |= PORT_GMII_1GPS_MODE; data8 |= PORT_INTERFACE_RGMII; @@ -1252,7 +1260,7 @@ static int ksz8795_switch_init(struct ksz_device *dev) } /* set the real number of ports */ - dev->ds->num_ports = dev->port_cnt; + dev->ds->num_ports = dev->port_cnt + 1; return 0; } diff --git a/drivers/net/dsa/microchip/ksz9477.c b/drivers/net/dsa/microchip/ksz9477.c index dc999406ce866b..2f5506ac7d1917 100644 --- a/drivers/net/dsa/microchip/ksz9477.c +++ b/drivers/net/dsa/microchip/ksz9477.c @@ -1083,7 +1083,7 @@ static phy_interface_t ksz9477_get_interface(struct ksz_device *dev, int port) interface = PHY_INTERFACE_MODE_GMII; if (gbit) break; - /* fall through */ + fallthrough; case 0: interface = PHY_INTERFACE_MODE_MII; break; @@ -1208,7 +1208,7 @@ static void ksz9477_port_setup(struct ksz_device *dev, int port, bool cpu_port) /* configure MAC to 1G & RGMII mode */ ksz_pread8(dev, port, REG_PORT_XMII_CTRL_1, &data8); - switch (dev->interface) { + switch (p->interface) { case PHY_INTERFACE_MODE_MII: ksz9477_set_xmii(dev, 0, &data8); ksz9477_set_gbit(dev, false, &data8); @@ -1229,11 +1229,11 @@ static void ksz9477_port_setup(struct ksz_device *dev, int port, bool cpu_port) ksz9477_set_gbit(dev, true, &data8); data8 &= ~PORT_RGMII_ID_IG_ENABLE; data8 &= ~PORT_RGMII_ID_EG_ENABLE; - if (dev->interface == PHY_INTERFACE_MODE_RGMII_ID || - dev->interface == PHY_INTERFACE_MODE_RGMII_RXID) + if (p->interface == PHY_INTERFACE_MODE_RGMII_ID || + p->interface == PHY_INTERFACE_MODE_RGMII_RXID) data8 |= PORT_RGMII_ID_IG_ENABLE; - if (dev->interface == PHY_INTERFACE_MODE_RGMII_ID || - dev->interface == PHY_INTERFACE_MODE_RGMII_TXID) + if (p->interface == PHY_INTERFACE_MODE_RGMII_ID || + p->interface == PHY_INTERFACE_MODE_RGMII_TXID) data8 |= PORT_RGMII_ID_EG_ENABLE; p->phydev.speed = SPEED_1000; break; @@ -1269,23 +1269,32 @@ static void ksz9477_config_cpu_port(struct dsa_switch *ds) dev->cpu_port = i; dev->host_mask = (1 << dev->cpu_port); dev->port_mask |= dev->host_mask; + p = &dev->ports[i]; /* Read from XMII register to determine host port * interface. If set specifically in device tree * note the difference to help debugging. */ interface = ksz9477_get_interface(dev, i); - if (!dev->interface) - dev->interface = interface; - if (interface && interface != dev->interface) + if (!p->interface) { + if (dev->compat_interface) { + dev_warn(dev->dev, + "Using legacy switch \"phy-mode\" property, because it is missing on port %d node. " + "Please update your device tree.\n", + i); + p->interface = dev->compat_interface; + } else { + p->interface = interface; + } + } + if (interface && interface != p->interface) dev_info(dev->dev, "use %s instead of %s\n", - phy_modes(dev->interface), + phy_modes(p->interface), phy_modes(interface)); /* enable cpu port */ ksz9477_port_setup(dev, i, true); - p = &dev->ports[dev->cpu_port]; p->vid_member = dev->port_mask; p->on = 1; } diff --git a/drivers/net/dsa/microchip/ksz_common.c b/drivers/net/dsa/microchip/ksz_common.c index 8d53b12d40a8d1..c796d42730baea 100644 --- a/drivers/net/dsa/microchip/ksz_common.c +++ b/drivers/net/dsa/microchip/ksz_common.c @@ -387,7 +387,9 @@ EXPORT_SYMBOL(ksz_switch_alloc); int ksz_switch_register(struct ksz_device *dev, const struct ksz_dev_ops *ops) { + struct device_node *port, *ports; phy_interface_t interface; + unsigned int port_num; int ret; if (dev->pdata) @@ -421,10 +423,23 @@ int ksz_switch_register(struct ksz_device *dev, /* Host port interface will be self detected, or specifically set in * device tree. */ + for (port_num = 0; port_num < dev->port_cnt; ++port_num) + dev->ports[port_num].interface = PHY_INTERFACE_MODE_NA; if (dev->dev->of_node) { ret = of_get_phy_mode(dev->dev->of_node, &interface); if (ret == 0) - dev->interface = interface; + dev->compat_interface = interface; + ports = of_get_child_by_name(dev->dev->of_node, "ports"); + if (ports) + for_each_available_child_of_node(ports, port) { + if (of_property_read_u32(port, "reg", + &port_num)) + continue; + if (port_num >= dev->port_cnt) + return -EINVAL; + of_get_phy_mode(port, + &dev->ports[port_num].interface); + } dev->synclko_125 = of_property_read_bool(dev->dev->of_node, "microchip,synclko-125"); } diff --git a/drivers/net/dsa/microchip/ksz_common.h b/drivers/net/dsa/microchip/ksz_common.h index 206838160f4940..cf866e48ff664b 100644 --- a/drivers/net/dsa/microchip/ksz_common.h +++ b/drivers/net/dsa/microchip/ksz_common.h @@ -39,6 +39,7 @@ struct ksz_port { u32 freeze:1; /* MIB counter freeze is enabled */ struct ksz_port_mib mib; + phy_interface_t interface; }; struct ksz_device { @@ -72,7 +73,7 @@ struct ksz_device { int mib_cnt; int mib_port_cnt; int last_port; /* ports after that not used */ - phy_interface_t interface; + phy_interface_t compat_interface; u32 regs_size; bool phy_errata_9477; bool synclko_125; diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c index 8dcb8a49ab67f7..1aaf47a0da2b35 100644 --- a/drivers/net/dsa/mt7530.c +++ b/drivers/net/dsa/mt7530.c @@ -566,7 +566,7 @@ static void mt7530_setup_port5(struct dsa_switch *ds, phy_interface_t interface) case P5_INTF_SEL_PHY_P0: /* MT7530_P5_MODE_GPHY_P0: 2nd GMAC -> P5 -> P0 */ val |= MHWTRAP_PHY0_SEL; - /* fall through */ + fallthrough; case P5_INTF_SEL_PHY_P4: /* MT7530_P5_MODE_GPHY_P4: 2nd GMAC -> P5 -> P4 */ val &= ~MHWTRAP_P5_MAC_SEL & ~MHWTRAP_P5_DIS; @@ -1326,14 +1326,17 @@ mt7530_setup(struct dsa_switch *ds) if (phy_node->parent == priv->dev->of_node->parent) { ret = of_get_phy_mode(mac_np, &interface); - if (ret && ret != -ENODEV) + if (ret && ret != -ENODEV) { + of_node_put(mac_np); return ret; + } id = of_mdio_parse_addr(ds->dev, phy_node); if (id == 0) priv->p5_intf_sel = P5_INTF_SEL_PHY_P0; if (id == 4) priv->p5_intf_sel = P5_INTF_SEL_PHY_P4; } + of_node_put(mac_np); of_node_put(phy_node); break; } @@ -1501,7 +1504,7 @@ unsupported: phylink_set(mask, 100baseT_Full); if (state->interface != PHY_INTERFACE_MODE_MII) { - phylink_set(mask, 1000baseT_Half); + /* This switch only supports 1G full-duplex. */ phylink_set(mask, 1000baseT_Full); if (port == 5) phylink_set(mask, 1000baseX_Full); diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c index 7a71c9902e73e8..f0dbc05e30a4de 100644 --- a/drivers/net/dsa/mv88e6xxx/chip.c +++ b/drivers/net/dsa/mv88e6xxx/chip.c @@ -875,7 +875,7 @@ static uint64_t _mv88e6xxx_get_ethtool_stat(struct mv88e6xxx_chip *chip, break; case STATS_TYPE_BANK1: reg = bank1_select; - /* fall through */ + fallthrough; case STATS_TYPE_BANK0: reg |= s->reg | histogram; mv88e6xxx_g1_stats_read(chip, reg, &low); diff --git a/drivers/net/dsa/ocelot/felix.c b/drivers/net/dsa/ocelot/felix.c index c69d9592a2b794..01427cd084481d 100644 --- a/drivers/net/dsa/ocelot/felix.c +++ b/drivers/net/dsa/ocelot/felix.c @@ -400,6 +400,7 @@ static int felix_parse_ports_node(struct felix *felix, if (err < 0) { dev_err(dev, "Unsupported PHY mode %s on port %d\n", phy_modes(phy_mode), port); + of_node_put(child); return err; } @@ -584,7 +585,10 @@ static int felix_setup(struct dsa_switch *ds) if (err) return err; - ocelot_init(ocelot); + err = ocelot_init(ocelot); + if (err) + return err; + if (ocelot->ptp) { err = ocelot_init_timestamp(ocelot, &ocelot_ptp_clock_info); if (err) { @@ -639,10 +643,13 @@ static void felix_teardown(struct dsa_switch *ds) { struct ocelot *ocelot = ds->priv; struct felix *felix = ocelot_to_felix(ocelot); + int port; if (felix->info->mdio_bus_free) felix->info->mdio_bus_free(ocelot); + for (port = 0; port < ocelot->num_phys_ports; port++) + ocelot_deinit_port(ocelot, port); ocelot_deinit_timestamp(ocelot); /* stop workqueue thread */ ocelot_deinit(ocelot); diff --git a/drivers/net/dsa/ocelot/felix_vsc9959.c b/drivers/net/dsa/ocelot/felix_vsc9959.c index 9b720c8ddfc3b2..3a9637496407e3 100644 --- a/drivers/net/dsa/ocelot/felix_vsc9959.c +++ b/drivers/net/dsa/ocelot/felix_vsc9959.c @@ -645,17 +645,17 @@ static struct vcap_field vsc9959_vcap_is2_keys[] = { [VCAP_IS2_HK_DIP_EQ_SIP] = {118, 1}, /* IP4_TCP_UDP (TYPE=100) */ [VCAP_IS2_HK_TCP] = {119, 1}, - [VCAP_IS2_HK_L4_SPORT] = {120, 16}, - [VCAP_IS2_HK_L4_DPORT] = {136, 16}, + [VCAP_IS2_HK_L4_DPORT] = {120, 16}, + [VCAP_IS2_HK_L4_SPORT] = {136, 16}, [VCAP_IS2_HK_L4_RNG] = {152, 8}, [VCAP_IS2_HK_L4_SPORT_EQ_DPORT] = {160, 1}, [VCAP_IS2_HK_L4_SEQUENCE_EQ0] = {161, 1}, - [VCAP_IS2_HK_L4_URG] = {162, 1}, - [VCAP_IS2_HK_L4_ACK] = {163, 1}, - [VCAP_IS2_HK_L4_PSH] = {164, 1}, - [VCAP_IS2_HK_L4_RST] = {165, 1}, - [VCAP_IS2_HK_L4_SYN] = {166, 1}, - [VCAP_IS2_HK_L4_FIN] = {167, 1}, + [VCAP_IS2_HK_L4_FIN] = {162, 1}, + [VCAP_IS2_HK_L4_SYN] = {163, 1}, + [VCAP_IS2_HK_L4_RST] = {164, 1}, + [VCAP_IS2_HK_L4_PSH] = {165, 1}, + [VCAP_IS2_HK_L4_ACK] = {166, 1}, + [VCAP_IS2_HK_L4_URG] = {167, 1}, [VCAP_IS2_HK_L4_1588_DOM] = {168, 8}, [VCAP_IS2_HK_L4_1588_VER] = {176, 4}, /* IP4_OTHER (TYPE=101) */ @@ -685,12 +685,12 @@ static struct vcap_field vsc9959_vcap_is2_actions[] = { [VCAP_IS2_ACT_POLICE_ENA] = { 9, 1}, [VCAP_IS2_ACT_POLICE_IDX] = { 10, 9}, [VCAP_IS2_ACT_POLICE_VCAP_ONLY] = { 19, 1}, - [VCAP_IS2_ACT_PORT_MASK] = { 20, 11}, - [VCAP_IS2_ACT_REW_OP] = { 31, 9}, - [VCAP_IS2_ACT_SMAC_REPLACE_ENA] = { 40, 1}, - [VCAP_IS2_ACT_RSV] = { 41, 2}, - [VCAP_IS2_ACT_ACL_ID] = { 43, 6}, - [VCAP_IS2_ACT_HIT_CNT] = { 49, 32}, + [VCAP_IS2_ACT_PORT_MASK] = { 20, 6}, + [VCAP_IS2_ACT_REW_OP] = { 26, 9}, + [VCAP_IS2_ACT_SMAC_REPLACE_ENA] = { 35, 1}, + [VCAP_IS2_ACT_RSV] = { 36, 2}, + [VCAP_IS2_ACT_ACL_ID] = { 38, 6}, + [VCAP_IS2_ACT_HIT_CNT] = { 44, 32}, }; static const struct vcap_props vsc9959_vcap_props[] = { @@ -1171,6 +1171,8 @@ static int vsc9959_prevalidate_phy_mode(struct ocelot *ocelot, int port, */ static u16 vsc9959_wm_enc(u16 value) { + WARN_ON(value >= 16 * BIT(8)); + if (value >= BIT(8)) return BIT(8) | (value / 16); @@ -1284,8 +1286,28 @@ void vsc9959_mdio_bus_free(struct ocelot *ocelot) static void vsc9959_sched_speed_set(struct ocelot *ocelot, int port, u32 speed) { + u8 tas_speed; + + switch (speed) { + case SPEED_10: + tas_speed = OCELOT_SPEED_10; + break; + case SPEED_100: + tas_speed = OCELOT_SPEED_100; + break; + case SPEED_1000: + tas_speed = OCELOT_SPEED_1000; + break; + case SPEED_2500: + tas_speed = OCELOT_SPEED_2500; + break; + default: + tas_speed = OCELOT_SPEED_1000; + break; + } + ocelot_rmw_rix(ocelot, - QSYS_TAG_CONFIG_LINK_SPEED(speed), + QSYS_TAG_CONFIG_LINK_SPEED(tas_speed), QSYS_TAG_CONFIG_LINK_SPEED_M, QSYS_TAG_CONFIG, port); } diff --git a/drivers/net/dsa/ocelot/seville_vsc9953.c b/drivers/net/dsa/ocelot/seville_vsc9953.c index 625b1891d955da..9e9fd19e1d00cb 100644 --- a/drivers/net/dsa/ocelot/seville_vsc9953.c +++ b/drivers/net/dsa/ocelot/seville_vsc9953.c @@ -659,17 +659,17 @@ static struct vcap_field vsc9953_vcap_is2_keys[] = { [VCAP_IS2_HK_DIP_EQ_SIP] = {122, 1}, /* IP4_TCP_UDP (TYPE=100) */ [VCAP_IS2_HK_TCP] = {123, 1}, - [VCAP_IS2_HK_L4_SPORT] = {124, 16}, - [VCAP_IS2_HK_L4_DPORT] = {140, 16}, + [VCAP_IS2_HK_L4_DPORT] = {124, 16}, + [VCAP_IS2_HK_L4_SPORT] = {140, 16}, [VCAP_IS2_HK_L4_RNG] = {156, 8}, [VCAP_IS2_HK_L4_SPORT_EQ_DPORT] = {164, 1}, [VCAP_IS2_HK_L4_SEQUENCE_EQ0] = {165, 1}, - [VCAP_IS2_HK_L4_URG] = {166, 1}, - [VCAP_IS2_HK_L4_ACK] = {167, 1}, - [VCAP_IS2_HK_L4_PSH] = {168, 1}, - [VCAP_IS2_HK_L4_RST] = {169, 1}, - [VCAP_IS2_HK_L4_SYN] = {170, 1}, - [VCAP_IS2_HK_L4_FIN] = {171, 1}, + [VCAP_IS2_HK_L4_FIN] = {166, 1}, + [VCAP_IS2_HK_L4_SYN] = {167, 1}, + [VCAP_IS2_HK_L4_RST] = {168, 1}, + [VCAP_IS2_HK_L4_PSH] = {169, 1}, + [VCAP_IS2_HK_L4_ACK] = {170, 1}, + [VCAP_IS2_HK_L4_URG] = {171, 1}, /* IP4_OTHER (TYPE=101) */ [VCAP_IS2_HK_IP4_L3_PROTO] = {123, 8}, [VCAP_IS2_HK_L3_PAYLOAD] = {131, 56}, @@ -706,7 +706,7 @@ static const struct vcap_props vsc9953_vcap_props[] = { .action_type_width = 1, .action_table = { [IS2_ACTION_TYPE_NORMAL] = { - .width = 44, + .width = 50, /* HIT_CNT not included */ .count = 2 }, [IS2_ACTION_TYPE_SMAC_SIP] = { @@ -911,6 +911,8 @@ static int vsc9953_prevalidate_phy_mode(struct ocelot *ocelot, int port, */ static u16 vsc9953_wm_enc(u16 value) { + WARN_ON(value >= 16 * BIT(9)); + if (value >= BIT(9)) return BIT(9) | (value / 16); @@ -1008,7 +1010,7 @@ static const struct felix_info seville_info_vsc9953 = { .vcap_is2_keys = vsc9953_vcap_is2_keys, .vcap_is2_actions = vsc9953_vcap_is2_actions, .vcap = vsc9953_vcap_props, - .shared_queue_sz = 128 * 1024, + .shared_queue_sz = 2048 * 1024, .num_mact_rows = 2048, .num_ports = 10, .mdio_bus_alloc = vsc9953_mdio_bus_alloc, diff --git a/drivers/net/dsa/rtl8366.c b/drivers/net/dsa/rtl8366.c index 8f40fbf70a82b8..a8c5a934c3d308 100644 --- a/drivers/net/dsa/rtl8366.c +++ b/drivers/net/dsa/rtl8366.c @@ -452,13 +452,19 @@ int rtl8366_vlan_del(struct dsa_switch *ds, int port, return ret; if (vid == vlanmc.vid) { - /* clear VLAN member configurations */ - vlanmc.vid = 0; - vlanmc.priority = 0; - vlanmc.member = 0; - vlanmc.untag = 0; - vlanmc.fid = 0; - + /* Remove this port from the VLAN */ + vlanmc.member &= ~BIT(port); + vlanmc.untag &= ~BIT(port); + /* + * If no ports are members of this VLAN + * anymore then clear the whole member + * config so it can be reused. + */ + if (!vlanmc.member && vlanmc.untag) { + vlanmc.vid = 0; + vlanmc.priority = 0; + vlanmc.fid = 0; + } ret = smi->ops->set_vlan_mc(smi, i, &vlanmc); if (ret) { dev_err(smi->dev, diff --git a/drivers/net/dsa/sja1105/sja1105_main.c b/drivers/net/dsa/sja1105/sja1105_main.c index c3f6f124e5f01b..5a28dfb36ec36a 100644 --- a/drivers/net/dsa/sja1105/sja1105_main.c +++ b/drivers/net/dsa/sja1105/sja1105_main.c @@ -3415,7 +3415,7 @@ static int sja1105_check_device_id(struct sja1105_private *priv) sja1105_unpack(prod_id, &part_no, 19, 4, SJA1105_SIZE_DEVICE_ID); - for (match = sja1105_dt_ids; match->compatible; match++) { + for (match = sja1105_dt_ids; match->compatible[0]; match++) { const struct sja1105_info *info = match->data; /* Is what's been probed in our match table at all? */ diff --git a/drivers/net/ethernet/3com/3c509.c b/drivers/net/ethernet/3com/3c509.c index 139d0120f5114e..667f38c9e4c630 100644 --- a/drivers/net/ethernet/3com/3c509.c +++ b/drivers/net/ethernet/3com/3c509.c @@ -1259,14 +1259,14 @@ el3_up(struct net_device *dev) pr_cont("Forcing 3c5x9b full-duplex mode"); break; } - /* fall through */ + fallthrough; case 8: /* set full-duplex mode based on eeprom config setting */ if ((sw_info & 0x000f) && (sw_info & 0x8000)) { pr_cont("Setting 3c5x9b full-duplex mode (from EEPROM configuration bit)"); break; } - /* fall through */ + fallthrough; default: /* xcvr=(0 || 4) OR user has an old 3c5x9 non "B" model */ pr_cont("Setting 3c5x9/3c5x9B half-duplex mode"); diff --git a/drivers/net/ethernet/3com/3c574_cs.c b/drivers/net/ethernet/3com/3c574_cs.c index bd0ada4e81b0f0..f66e7fb9a2bb93 100644 --- a/drivers/net/ethernet/3com/3c574_cs.c +++ b/drivers/net/ethernet/3com/3c574_cs.c @@ -1046,7 +1046,7 @@ static int el3_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) switch(cmd) { case SIOCGMIIPHY: /* Get the address of the PHY in use. */ data->phy_id = phy; - /* fall through */ + fallthrough; case SIOCGMIIREG: /* Read the specified MII register. */ { int saved_window; diff --git a/drivers/net/ethernet/3com/typhoon.h b/drivers/net/ethernet/3com/typhoon.h index 2f634c64d5d101..38e6dcab4e9412 100644 --- a/drivers/net/ethernet/3com/typhoon.h +++ b/drivers/net/ethernet/3com/typhoon.h @@ -33,7 +33,7 @@ struct basic_ring { u32 lastWrite; }; -/* The Typoon transmit ring -- same as a basic ring, plus: +/* The Typhoon transmit ring -- same as a basic ring, plus: * lastRead: where we're at in regard to cleaning up the ring * writeRegister: register to use for writing (different for Hi & Lo rings) */ diff --git a/drivers/net/ethernet/8390/axnet_cs.c b/drivers/net/ethernet/8390/axnet_cs.c index 08db4c9da2fa8a..a00b36f91d9f21 100644 --- a/drivers/net/ethernet/8390/axnet_cs.c +++ b/drivers/net/ethernet/8390/axnet_cs.c @@ -610,7 +610,7 @@ static int axnet_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) switch (cmd) { case SIOCGMIIPHY: data->phy_id = info->phy_id; - /* Fall through */ + fallthrough; case SIOCGMIIREG: /* Read MII PHY register. */ data->val_out = mdio_read(mii_addr, data->phy_id, data->reg_num & 0x1f); return 0; diff --git a/drivers/net/ethernet/8390/pcnet_cs.c b/drivers/net/ethernet/8390/pcnet_cs.c index 645efac6310dde..164c3ed550bf1b 100644 --- a/drivers/net/ethernet/8390/pcnet_cs.c +++ b/drivers/net/ethernet/8390/pcnet_cs.c @@ -1108,7 +1108,7 @@ static int ei_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) switch (cmd) { case SIOCGMIIPHY: data->phy_id = info->phy_id; - /* fall through */ + fallthrough; case SIOCGMIIREG: /* Read MII PHY register. */ data->val_out = mdio_read(mii_addr, data->phy_id, data->reg_num & 0x1f); return 0; diff --git a/drivers/net/ethernet/alacritech/slicoss.c b/drivers/net/ethernet/alacritech/slicoss.c index 6234fcd844eead..696517eae77f0a 100644 --- a/drivers/net/ethernet/alacritech/slicoss.c +++ b/drivers/net/ethernet/alacritech/slicoss.c @@ -1712,13 +1712,13 @@ static bool slic_is_fiber(unsigned short subdev) { switch (subdev) { /* Mojave */ - case PCI_SUBDEVICE_ID_ALACRITECH_1000X1F: /* fallthrough */ - case PCI_SUBDEVICE_ID_ALACRITECH_SES1001F: /* fallthrough */ + case PCI_SUBDEVICE_ID_ALACRITECH_1000X1F: + case PCI_SUBDEVICE_ID_ALACRITECH_SES1001F: fallthrough; /* Oasis */ - case PCI_SUBDEVICE_ID_ALACRITECH_SEN2002XF: /* fallthrough */ - case PCI_SUBDEVICE_ID_ALACRITECH_SEN2001XF: /* fallthrough */ - case PCI_SUBDEVICE_ID_ALACRITECH_SEN2104EF: /* fallthrough */ - case PCI_SUBDEVICE_ID_ALACRITECH_SEN2102EF: /* fallthrough */ + case PCI_SUBDEVICE_ID_ALACRITECH_SEN2002XF: + case PCI_SUBDEVICE_ID_ALACRITECH_SEN2001XF: + case PCI_SUBDEVICE_ID_ALACRITECH_SEN2104EF: + case PCI_SUBDEVICE_ID_ALACRITECH_SEN2102EF: return true; } return false; diff --git a/drivers/net/ethernet/alteon/acenic.c b/drivers/net/ethernet/alteon/acenic.c index ac86fcae1582d6..8470c836fa188a 100644 --- a/drivers/net/ethernet/alteon/acenic.c +++ b/drivers/net/ethernet/alteon/acenic.c @@ -547,7 +547,7 @@ static int acenic_probe_one(struct pci_dev *pdev, ap->name); break; } - /* Fall through */ + fallthrough; case PCI_VENDOR_ID_SGI: printk(KERN_INFO "%s: SGI AceNIC ", ap->name); break; diff --git a/drivers/net/ethernet/amd/amd8111e.c b/drivers/net/ethernet/amd/amd8111e.c index b6c43b58ed3d43..960d483e899729 100644 --- a/drivers/net/ethernet/amd/amd8111e.c +++ b/drivers/net/ethernet/amd/amd8111e.c @@ -1475,7 +1475,7 @@ static int amd8111e_ioctl(struct net_device *dev , struct ifreq *ifr, int cmd) case SIOCGMIIPHY: data->phy_id = lp->ext_phy_addr; - /* fallthru */ + fallthrough; case SIOCGMIIREG: spin_lock_irq(&lp->lock); diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-drv.c b/drivers/net/ethernet/amd/xgbe/xgbe-drv.c index 43294a148f8a76..4ba75551cb1794 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe-drv.c +++ b/drivers/net/ethernet/amd/xgbe/xgbe-drv.c @@ -1538,7 +1538,7 @@ static int xgbe_set_hwtstamp_settings(struct xgbe_prv_data *pdata, /* PTP v2, UDP, any kind of event packet */ case HWTSTAMP_FILTER_PTP_V2_L4_EVENT: XGMAC_SET_BITS(mac_tscr, MAC_TSCR, TSVER2ENA, 1); - /* Fall through - to PTP v1, UDP, any kind of event packet */ + fallthrough; /* to PTP v1, UDP, any kind of event packet */ case HWTSTAMP_FILTER_PTP_V1_L4_EVENT: XGMAC_SET_BITS(mac_tscr, MAC_TSCR, TSIPV4ENA, 1); XGMAC_SET_BITS(mac_tscr, MAC_TSCR, TSIPV6ENA, 1); @@ -1549,7 +1549,7 @@ static int xgbe_set_hwtstamp_settings(struct xgbe_prv_data *pdata, /* PTP v2, UDP, Sync packet */ case HWTSTAMP_FILTER_PTP_V2_L4_SYNC: XGMAC_SET_BITS(mac_tscr, MAC_TSCR, TSVER2ENA, 1); - /* Fall through - to PTP v1, UDP, Sync packet */ + fallthrough; /* to PTP v1, UDP, Sync packet */ case HWTSTAMP_FILTER_PTP_V1_L4_SYNC: XGMAC_SET_BITS(mac_tscr, MAC_TSCR, TSIPV4ENA, 1); XGMAC_SET_BITS(mac_tscr, MAC_TSCR, TSIPV6ENA, 1); @@ -1560,7 +1560,7 @@ static int xgbe_set_hwtstamp_settings(struct xgbe_prv_data *pdata, /* PTP v2, UDP, Delay_req packet */ case HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ: XGMAC_SET_BITS(mac_tscr, MAC_TSCR, TSVER2ENA, 1); - /* Fall through - to PTP v1, UDP, Delay_req packet */ + fallthrough; /* to PTP v1, UDP, Delay_req packet */ case HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ: XGMAC_SET_BITS(mac_tscr, MAC_TSCR, TSIPV4ENA, 1); XGMAC_SET_BITS(mac_tscr, MAC_TSCR, TSIPV6ENA, 1); diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c b/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c index 46c3c1ca38d60c..859ded0c06b050 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c +++ b/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c @@ -166,6 +166,7 @@ enum xgbe_port_mode { XGBE_PORT_MODE_10GBASE_T, XGBE_PORT_MODE_10GBASE_R, XGBE_PORT_MODE_SFP, + XGBE_PORT_MODE_BACKPLANE_NO_AUTONEG, XGBE_PORT_MODE_MAX, }; @@ -1634,6 +1635,7 @@ static enum xgbe_mode xgbe_phy_an73_redrv_outcome(struct xgbe_prv_data *pdata) if (ad_reg & 0x80) { switch (phy_data->port_mode) { case XGBE_PORT_MODE_BACKPLANE: + case XGBE_PORT_MODE_BACKPLANE_NO_AUTONEG: mode = XGBE_MODE_KR; break; default: @@ -1643,6 +1645,7 @@ static enum xgbe_mode xgbe_phy_an73_redrv_outcome(struct xgbe_prv_data *pdata) } else if (ad_reg & 0x20) { switch (phy_data->port_mode) { case XGBE_PORT_MODE_BACKPLANE: + case XGBE_PORT_MODE_BACKPLANE_NO_AUTONEG: mode = XGBE_MODE_KX_1000; break; case XGBE_PORT_MODE_1000BASE_X: @@ -1782,6 +1785,7 @@ static void xgbe_phy_an_advertising(struct xgbe_prv_data *pdata, switch (phy_data->port_mode) { case XGBE_PORT_MODE_BACKPLANE: + case XGBE_PORT_MODE_BACKPLANE_NO_AUTONEG: XGBE_SET_ADV(dlks, 10000baseKR_Full); break; case XGBE_PORT_MODE_BACKPLANE_2500: @@ -1874,6 +1878,7 @@ static enum xgbe_an_mode xgbe_phy_an_mode(struct xgbe_prv_data *pdata) switch (phy_data->port_mode) { case XGBE_PORT_MODE_BACKPLANE: return XGBE_AN_MODE_CL73; + case XGBE_PORT_MODE_BACKPLANE_NO_AUTONEG: case XGBE_PORT_MODE_BACKPLANE_2500: return XGBE_AN_MODE_NONE; case XGBE_PORT_MODE_1000BASE_T: @@ -2156,6 +2161,7 @@ static enum xgbe_mode xgbe_phy_switch_mode(struct xgbe_prv_data *pdata) switch (phy_data->port_mode) { case XGBE_PORT_MODE_BACKPLANE: + case XGBE_PORT_MODE_BACKPLANE_NO_AUTONEG: return xgbe_phy_switch_bp_mode(pdata); case XGBE_PORT_MODE_BACKPLANE_2500: return xgbe_phy_switch_bp_2500_mode(pdata); @@ -2251,6 +2257,7 @@ static enum xgbe_mode xgbe_phy_get_mode(struct xgbe_prv_data *pdata, switch (phy_data->port_mode) { case XGBE_PORT_MODE_BACKPLANE: + case XGBE_PORT_MODE_BACKPLANE_NO_AUTONEG: return xgbe_phy_get_bp_mode(speed); case XGBE_PORT_MODE_BACKPLANE_2500: return xgbe_phy_get_bp_2500_mode(speed); @@ -2426,6 +2433,7 @@ static bool xgbe_phy_use_mode(struct xgbe_prv_data *pdata, enum xgbe_mode mode) switch (phy_data->port_mode) { case XGBE_PORT_MODE_BACKPLANE: + case XGBE_PORT_MODE_BACKPLANE_NO_AUTONEG: return xgbe_phy_use_bp_mode(pdata, mode); case XGBE_PORT_MODE_BACKPLANE_2500: return xgbe_phy_use_bp_2500_mode(pdata, mode); @@ -2515,6 +2523,7 @@ static bool xgbe_phy_valid_speed(struct xgbe_prv_data *pdata, int speed) switch (phy_data->port_mode) { case XGBE_PORT_MODE_BACKPLANE: + case XGBE_PORT_MODE_BACKPLANE_NO_AUTONEG: return xgbe_phy_valid_speed_bp_mode(speed); case XGBE_PORT_MODE_BACKPLANE_2500: return xgbe_phy_valid_speed_bp_2500_mode(speed); @@ -2792,6 +2801,7 @@ static bool xgbe_phy_port_mode_mismatch(struct xgbe_prv_data *pdata) switch (phy_data->port_mode) { case XGBE_PORT_MODE_BACKPLANE: + case XGBE_PORT_MODE_BACKPLANE_NO_AUTONEG: if ((phy_data->port_speeds & XGBE_PHY_PORT_SPEED_1000) || (phy_data->port_speeds & XGBE_PHY_PORT_SPEED_10000)) return false; @@ -2844,6 +2854,7 @@ static bool xgbe_phy_conn_type_mismatch(struct xgbe_prv_data *pdata) switch (phy_data->port_mode) { case XGBE_PORT_MODE_BACKPLANE: + case XGBE_PORT_MODE_BACKPLANE_NO_AUTONEG: case XGBE_PORT_MODE_BACKPLANE_2500: if (phy_data->conn_type == XGBE_CONN_TYPE_BACKPLANE) return false; @@ -3160,6 +3171,8 @@ static int xgbe_phy_init(struct xgbe_prv_data *pdata) /* Backplane support */ case XGBE_PORT_MODE_BACKPLANE: XGBE_SET_SUP(lks, Autoneg); + fallthrough; + case XGBE_PORT_MODE_BACKPLANE_NO_AUTONEG: XGBE_SET_SUP(lks, Pause); XGBE_SET_SUP(lks, Asym_Pause); XGBE_SET_SUP(lks, Backplane); diff --git a/drivers/net/ethernet/aquantia/atlantic/Makefile b/drivers/net/ethernet/aquantia/atlantic/Makefile index 130a105d03f3b1..8ebcc68e807fc6 100644 --- a/drivers/net/ethernet/aquantia/atlantic/Makefile +++ b/drivers/net/ethernet/aquantia/atlantic/Makefile @@ -8,7 +8,7 @@ obj-$(CONFIG_AQTION) += atlantic.o -ccflags-y += -I$(src) +ccflags-y += -I$(srctree)/$(src) atlantic-objs := aq_main.o \ aq_nic.o \ @@ -33,4 +33,4 @@ atlantic-objs := aq_main.o \ atlantic-$(CONFIG_MACSEC) += aq_macsec.o -atlantic-$(CONFIG_PTP_1588_CLOCK) += aq_ptp.o
\ No newline at end of file +atlantic-$(CONFIG_PTP_1588_CLOCK) += aq_ptp.o diff --git a/drivers/net/ethernet/arc/emac_mdio.c b/drivers/net/ethernet/arc/emac_mdio.c index 0187dbf3b87dfc..54cdafdd067db3 100644 --- a/drivers/net/ethernet/arc/emac_mdio.c +++ b/drivers/net/ethernet/arc/emac_mdio.c @@ -153,6 +153,7 @@ int arc_mdio_probe(struct arc_emac_priv *priv) if (IS_ERR(data->reset_gpio)) { error = PTR_ERR(data->reset_gpio); dev_err(priv->dev, "Failed to request gpio: %d\n", error); + mdiobus_free(bus); return error; } diff --git a/drivers/net/ethernet/broadcom/bcmsysport.c b/drivers/net/ethernet/broadcom/bcmsysport.c index dfed9ade6950ca..0762d5d1a810eb 100644 --- a/drivers/net/ethernet/broadcom/bcmsysport.c +++ b/drivers/net/ethernet/broadcom/bcmsysport.c @@ -2491,8 +2491,10 @@ static int bcm_sysport_probe(struct platform_device *pdev) priv->tx_rings = devm_kcalloc(&pdev->dev, txq, sizeof(struct bcm_sysport_tx_ring), GFP_KERNEL); - if (!priv->tx_rings) - return -ENOMEM; + if (!priv->tx_rings) { + ret = -ENOMEM; + goto err_free_netdev; + } priv->is_lite = params->is_lite; priv->num_rx_desc_words = params->num_rx_desc_words; diff --git a/drivers/net/ethernet/broadcom/bgmac-bcma.c b/drivers/net/ethernet/broadcom/bgmac-bcma.c index 34d18302b1a38e..a5fd161ab5ee15 100644 --- a/drivers/net/ethernet/broadcom/bgmac-bcma.c +++ b/drivers/net/ethernet/broadcom/bgmac-bcma.c @@ -217,7 +217,7 @@ static int bgmac_probe(struct bcma_device *core) /* BCM 471X/535X family */ case BCMA_CHIP_ID_BCM4716: bgmac->feature_flags |= BGMAC_FEAT_CLKCTLST; - /* fallthrough */ + fallthrough; case BCMA_CHIP_ID_BCM47162: bgmac->feature_flags |= BGMAC_FEAT_FLW_CTRL2; bgmac->feature_flags |= BGMAC_FEAT_SET_RXQ_CLK; diff --git a/drivers/net/ethernet/broadcom/bgmac-platform.c b/drivers/net/ethernet/broadcom/bgmac-platform.c index 6795b6d95f54d2..f37f1c58f36893 100644 --- a/drivers/net/ethernet/broadcom/bgmac-platform.c +++ b/drivers/net/ethernet/broadcom/bgmac-platform.c @@ -131,7 +131,7 @@ static void bgmac_nicpm_speed_set(struct net_device *net_dev) switch (bgmac->net_dev->phydev->speed) { default: netdev_err(net_dev, "Unsupported speed. Defaulting to 1000Mb\n"); - /* fall through */ + fallthrough; case SPEED_1000: val |= NICPM_IOMUX_CTRL_SPD_1000M << NICPM_IOMUX_CTRL_SPD_SHIFT; break; diff --git a/drivers/net/ethernet/broadcom/bnx2.c b/drivers/net/ethernet/broadcom/bnx2.c index c8cc14eadbb4af..3e8a179f39db48 100644 --- a/drivers/net/ethernet/broadcom/bnx2.c +++ b/drivers/net/ethernet/broadcom/bnx2.c @@ -1337,13 +1337,13 @@ bnx2_set_mac_link(struct bnx2 *bp) val |= BNX2_EMAC_MODE_PORT_MII_10M; break; } - /* fall through */ + fallthrough; case SPEED_100: val |= BNX2_EMAC_MODE_PORT_MII; break; case SPEED_2500: val |= BNX2_EMAC_MODE_25G_MODE; - /* fall through */ + fallthrough; case SPEED_1000: val |= BNX2_EMAC_MODE_PORT_GMII; break; @@ -1995,26 +1995,26 @@ bnx2_remote_phy_event(struct bnx2 *bp) switch (speed) { case BNX2_LINK_STATUS_10HALF: bp->duplex = DUPLEX_HALF; - /* fall through */ + fallthrough; case BNX2_LINK_STATUS_10FULL: bp->line_speed = SPEED_10; break; case BNX2_LINK_STATUS_100HALF: bp->duplex = DUPLEX_HALF; - /* fall through */ + fallthrough; case BNX2_LINK_STATUS_100BASE_T4: case BNX2_LINK_STATUS_100FULL: bp->line_speed = SPEED_100; break; case BNX2_LINK_STATUS_1000HALF: bp->duplex = DUPLEX_HALF; - /* fall through */ + fallthrough; case BNX2_LINK_STATUS_1000FULL: bp->line_speed = SPEED_1000; break; case BNX2_LINK_STATUS_2500HALF: bp->duplex = DUPLEX_HALF; - /* fall through */ + fallthrough; case BNX2_LINK_STATUS_2500FULL: bp->line_speed = SPEED_2500; break; @@ -7856,7 +7856,7 @@ bnx2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) case SIOCGMIIPHY: data->phy_id = bp->phy_addr; - /* fallthru */ + fallthrough; case SIOCGMIIREG: { u32 mii_regval; diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c index 1426c691c7c4a4..4e85e7dbc2be31 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c @@ -4712,14 +4712,14 @@ static void bnx2x_sync_link(struct link_params *params, LINK_STATUS_SPEED_AND_DUPLEX_MASK) { case LINK_10THD: vars->duplex = DUPLEX_HALF; - /* Fall thru */ + fallthrough; case LINK_10TFD: vars->line_speed = SPEED_10; break; case LINK_100TXHD: vars->duplex = DUPLEX_HALF; - /* Fall thru */ + fallthrough; case LINK_100T4: case LINK_100TXFD: vars->line_speed = SPEED_100; @@ -4727,14 +4727,14 @@ static void bnx2x_sync_link(struct link_params *params, case LINK_1000THD: vars->duplex = DUPLEX_HALF; - /* Fall thru */ + fallthrough; case LINK_1000TFD: vars->line_speed = SPEED_1000; break; case LINK_2500THD: vars->duplex = DUPLEX_HALF; - /* Fall thru */ + fallthrough; case LINK_2500TFD: vars->line_speed = SPEED_2500; break; @@ -6339,7 +6339,7 @@ int bnx2x_set_led(struct link_params *params, */ if (!vars->link_up) break; - /* fall through */ + fallthrough; case LED_MODE_ON: if (((params->phy[EXT_PHY1].type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) || @@ -12508,13 +12508,13 @@ static void bnx2x_phy_def_cfg(struct link_params *params, switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) { case PORT_FEATURE_LINK_SPEED_10M_HALF: phy->req_duplex = DUPLEX_HALF; - /* fall through */ + fallthrough; case PORT_FEATURE_LINK_SPEED_10M_FULL: phy->req_line_speed = SPEED_10; break; case PORT_FEATURE_LINK_SPEED_100M_HALF: phy->req_duplex = DUPLEX_HALF; - /* fall through */ + fallthrough; case PORT_FEATURE_LINK_SPEED_100M_FULL: phy->req_line_speed = SPEED_100; break; diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c index 7f24d2689fdd77..3c543dd7a8f306 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c @@ -8600,11 +8600,11 @@ int bnx2x_set_int_mode(struct bnx2x *bp) bp->num_queues, 1 + bp->num_cnic_queues); - /* fall through */ + fallthrough; case BNX2X_INT_MODE_MSI: bnx2x_enable_msi(bp); - /* fall through */ + fallthrough; case BNX2X_INT_MODE_INTX: bp->num_ethernet_queues = 1; bp->num_queues = bp->num_ethernet_queues + bp->num_cnic_queues; diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_reg.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_reg.h index bfc0e45d4a2bcb..5caa75b41b73c7 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_reg.h +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_reg.h @@ -284,12 +284,12 @@ #define CCM_REG_GR_ARB_TYPE 0xd015c /* [RW 2] Load (FIC0) channel group priority. The lowest priority is 0; the highest priority is 3. It is supposed; that the Store channel priority is - the compliment to 4 of the rest priorities - Aggregation channel; Load + the complement to 4 of the rest priorities - Aggregation channel; Load (FIC0) channel and Load (FIC1). */ #define CCM_REG_GR_LD0_PR 0xd0164 /* [RW 2] Load (FIC1) channel group priority. The lowest priority is 0; the highest priority is 3. It is supposed; that the Store channel priority is - the compliment to 4 of the rest priorities - Aggregation channel; Load + the complement to 4 of the rest priorities - Aggregation channel; Load (FIC0) channel and Load (FIC1). */ #define CCM_REG_GR_LD1_PR 0xd0168 /* [RW 2] General flags index. */ @@ -4489,11 +4489,11 @@ #define TCM_REG_GR_ARB_TYPE 0x50114 /* [RW 2] Load (FIC0) channel group priority. The lowest priority is 0; the highest priority is 3. It is supposed that the Store channel is the - compliment of the other 3 groups. */ + complement of the other 3 groups. */ #define TCM_REG_GR_LD0_PR 0x5011c /* [RW 2] Load (FIC1) channel group priority. The lowest priority is 0; the highest priority is 3. It is supposed that the Store channel is the - compliment of the other 3 groups. */ + complement of the other 3 groups. */ #define TCM_REG_GR_LD1_PR 0x50120 /* [RW 4] The number of double REG-pairs; loaded from the STORM context and sent to STORM; for a specific connection type. The double REG-pairs are @@ -5020,11 +5020,11 @@ #define UCM_REG_GR_ARB_TYPE 0xe0144 /* [RW 2] Load (FIC0) channel group priority. The lowest priority is 0; the highest priority is 3. It is supposed that the Store channel group is - compliment to the others. */ + complement to the others. */ #define UCM_REG_GR_LD0_PR 0xe014c /* [RW 2] Load (FIC1) channel group priority. The lowest priority is 0; the highest priority is 3. It is supposed that the Store channel group is - compliment to the others. */ + complement to the others. */ #define UCM_REG_GR_LD1_PR 0xe0150 /* [RW 2] The queue index for invalidate counter flag decision. */ #define UCM_REG_INV_CFLG_Q 0xe00e4 @@ -5523,11 +5523,11 @@ #define XCM_REG_GR_ARB_TYPE 0x2020c /* [RW 2] Load (FIC0) channel group priority. The lowest priority is 0; the highest priority is 3. It is supposed that the Channel group is the - compliment of the other 3 groups. */ + complement of the other 3 groups. */ #define XCM_REG_GR_LD0_PR 0x20214 /* [RW 2] Load (FIC1) channel group priority. The lowest priority is 0; the highest priority is 3. It is supposed that the Channel group is the - compliment of the other 3 groups. */ + complement of the other 3 groups. */ #define XCM_REG_GR_LD1_PR 0x20218 /* [RW 1] Input nig0 Interface enable. If 0 - the valid input is disregarded; acknowledge output is deasserted; all other signals are diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c index 80d250a6d048e5..e26f4da5a6d7e4 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c @@ -3258,7 +3258,7 @@ static int bnx2x_mcast_validate_e2(struct bnx2x *bp, /* DEL command deletes all currently configured MACs */ case BNX2X_MCAST_CMD_DEL: o->set_registry_size(o, 0); - /* fall through */ + fallthrough; /* RESTORE command will restore the entire multicast configuration */ case BNX2X_MCAST_CMD_RESTORE: @@ -3592,7 +3592,7 @@ static int bnx2x_mcast_validate_e1(struct bnx2x *bp, /* DEL command deletes all currently configured MACs */ case BNX2X_MCAST_CMD_DEL: o->set_registry_size(o, 0); - /* fall through */ + fallthrough; /* RESTORE command will restore the entire multicast configuration */ case BNX2X_MCAST_CMD_RESTORE: diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c index b4476f44e3867a..9c2f51f230351f 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c @@ -1809,7 +1809,7 @@ get_vf: DP(BNX2X_MSG_IOV, "got VF [%d:%d] RSS update ramrod\n", vf->abs_vfid, qidx); bnx2x_vf_handle_rss_update_eqe(bp, vf); - /* fall through */ + fallthrough; case EVENT_RING_OPCODE_VF_FLR: /* Do nothing for now */ return 0; @@ -2207,7 +2207,7 @@ int bnx2x_vf_free(struct bnx2x *bp, struct bnx2x_virtf *vf) rc = bnx2x_vf_close(bp, vf); if (rc) goto op_err; - /* Fall through - to release resources */ + fallthrough; /* to release resources */ case VF_ACQUIRED: DP(BNX2X_MSG_IOV, "about to free resources\n"); bnx2x_vf_free_resc(bp, vf); diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index 31fb5a28e1c4f5..7b7e8b7883c809 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -1141,6 +1141,9 @@ static int bnxt_discard_rx(struct bnxt *bp, struct bnxt_cp_ring_info *cpr, static void bnxt_queue_fw_reset_work(struct bnxt *bp, unsigned long delay) { + if (!(test_bit(BNXT_STATE_IN_FW_RESET, &bp->state))) + return; + if (BNXT_PF(bp)) queue_delayed_work(bnxt_pf_wq, &bp->fw_reset_task, delay); else @@ -1157,10 +1160,12 @@ static void bnxt_queue_sp_work(struct bnxt *bp) static void bnxt_cancel_sp_work(struct bnxt *bp) { - if (BNXT_PF(bp)) + if (BNXT_PF(bp)) { flush_workqueue(bnxt_pf_wq); - else + } else { cancel_work_sync(&bp->sp_task); + cancel_delayed_work_sync(&bp->fw_reset_task); + } } static void bnxt_sched_reset(struct bnxt *bp, struct bnxt_rx_ring_info *rxr) @@ -1923,7 +1928,7 @@ u32 bnxt_fw_health_readl(struct bnxt *bp, int reg_idx) break; case BNXT_FW_HEALTH_REG_TYPE_GRC: reg_off = fw_health->mapped_regs[reg_idx]; - /* fall through */ + fallthrough; case BNXT_FW_HEALTH_REG_TYPE_BAR0: val = readl(bp->bar0 + reg_off); break; @@ -1966,11 +1971,11 @@ static int bnxt_async_event_process(struct bnxt *bp, } set_bit(BNXT_LINK_SPEED_CHNG_SP_EVENT, &bp->sp_event); } - /* fall through */ + fallthrough; case ASYNC_EVENT_CMPL_EVENT_ID_LINK_SPEED_CHANGE: case ASYNC_EVENT_CMPL_EVENT_ID_PORT_PHY_CFG_CHANGE: set_bit(BNXT_LINK_CFG_CHANGE_SP_EVENT, &bp->sp_event); - /* fall through */ + fallthrough; case ASYNC_EVENT_CMPL_EVENT_ID_LINK_STATUS_CHANGE: set_bit(BNXT_LINK_CHNG_SP_EVENT, &bp->sp_event); break; @@ -3777,6 +3782,7 @@ static int bnxt_hwrm_func_qstat_ext(struct bnxt *bp, return -EOPNOTSUPP; bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_QSTATS_EXT, -1, -1); + req.fid = cpu_to_le16(0xffff); req.flags = FUNC_QSTATS_EXT_REQ_FLAGS_COUNTER_MASK; mutex_lock(&bp->hwrm_cmd_lock); rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); @@ -3847,7 +3853,7 @@ static void bnxt_init_stats(struct bnxt *bp) tx_masks = stats->hw_masks; tx_count = sizeof(struct tx_port_stats_ext) / 8; - flags = FUNC_QSTATS_EXT_REQ_FLAGS_COUNTER_MASK; + flags = PORT_QSTATS_EXT_REQ_FLAGS_COUNTER_MASK; rc = bnxt_hwrm_port_qstats_ext(bp, flags); if (rc) { mask = (1ULL << 40) - 1; @@ -4300,7 +4306,7 @@ static int bnxt_hwrm_do_send_msg(struct bnxt *bp, void *msg, u32 msg_len, u32 bar_offset = BNXT_GRCPF_REG_CHIMP_COMM; u16 dst = BNXT_HWRM_CHNL_CHIMP; - if (test_bit(BNXT_STATE_FW_FATAL_COND, &bp->state)) + if (BNXT_NO_FW_ACCESS(bp)) return -EBUSY; if (msg_len > BNXT_HWRM_MAX_REQ_LEN) { @@ -5718,7 +5724,7 @@ static int hwrm_ring_free_send_msg(struct bnxt *bp, struct hwrm_ring_free_output *resp = bp->hwrm_cmd_resp_addr; u16 error_code; - if (test_bit(BNXT_STATE_FW_FATAL_COND, &bp->state)) + if (BNXT_NO_FW_ACCESS(bp)) return 0; bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_RING_FREE, cmpl_ring_id, -1); @@ -6102,6 +6108,21 @@ static int bnxt_get_func_stat_ctxs(struct bnxt *bp) return cp + ulp_stat; } +/* Check if a default RSS map needs to be setup. This function is only + * used on older firmware that does not require reserving RX rings. + */ +static void bnxt_check_rss_tbl_no_rmgr(struct bnxt *bp) +{ + struct bnxt_hw_resc *hw_resc = &bp->hw_resc; + + /* The RSS map is valid for RX rings set to resv_rx_rings */ + if (hw_resc->resv_rx_rings != bp->rx_nr_rings) { + hw_resc->resv_rx_rings = bp->rx_nr_rings; + if (!netif_is_rxfh_configured(bp->dev)) + bnxt_set_dflt_rss_indir_tbl(bp); + } +} + static bool bnxt_need_reserve_rings(struct bnxt *bp) { struct bnxt_hw_resc *hw_resc = &bp->hw_resc; @@ -6110,22 +6131,28 @@ static bool bnxt_need_reserve_rings(struct bnxt *bp) int rx = bp->rx_nr_rings, stat; int vnic = 1, grp = rx; - if (bp->hwrm_spec_code < 0x10601) - return false; - - if (hw_resc->resv_tx_rings != bp->tx_nr_rings) + if (hw_resc->resv_tx_rings != bp->tx_nr_rings && + bp->hwrm_spec_code >= 0x10601) return true; + /* Old firmware does not need RX ring reservations but we still + * need to setup a default RSS map when needed. With new firmware + * we go through RX ring reservations first and then set up the + * RSS map for the successfully reserved RX rings when needed. + */ + if (!BNXT_NEW_RM(bp)) { + bnxt_check_rss_tbl_no_rmgr(bp); + return false; + } if ((bp->flags & BNXT_FLAG_RFS) && !(bp->flags & BNXT_FLAG_CHIP_P5)) vnic = rx + 1; if (bp->flags & BNXT_FLAG_AGG_RINGS) rx <<= 1; stat = bnxt_get_func_stat_ctxs(bp); - if (BNXT_NEW_RM(bp) && - (hw_resc->resv_rx_rings != rx || hw_resc->resv_cp_rings != cp || - hw_resc->resv_vnics != vnic || hw_resc->resv_stat_ctxs != stat || - (hw_resc->resv_hw_ring_grps != grp && - !(bp->flags & BNXT_FLAG_CHIP_P5)))) + if (hw_resc->resv_rx_rings != rx || hw_resc->resv_cp_rings != cp || + hw_resc->resv_vnics != vnic || hw_resc->resv_stat_ctxs != stat || + (hw_resc->resv_hw_ring_grps != grp && + !(bp->flags & BNXT_FLAG_CHIP_P5))) return true; if ((bp->flags & BNXT_FLAG_CHIP_P5) && BNXT_PF(bp) && hw_resc->resv_irqs != nq) @@ -6214,6 +6241,9 @@ static int __bnxt_reserve_rings(struct bnxt *bp) if (!tx || !rx || !cp || !grp || !vnic || !stat) return -ENOMEM; + if (!netif_is_rxfh_configured(bp->dev)) + bnxt_set_dflt_rss_indir_tbl(bp); + return rc; } @@ -7788,7 +7818,7 @@ static int bnxt_set_tpa(struct bnxt *bp, bool set_tpa) if (set_tpa) tpa_flags = bp->flags & BNXT_FLAG_TPA; - else if (test_bit(BNXT_STATE_FW_FATAL_COND, &bp->state)) + else if (BNXT_NO_FW_ACCESS(bp)) return 0; for (i = 0; i < bp->nr_vnics; i++) { rc = bnxt_hwrm_vnic_set_tpa(bp, i, tpa_flags); @@ -8495,9 +8525,6 @@ int bnxt_reserve_rings(struct bnxt *bp, bool irq_re_init) rc = bnxt_init_int_mode(bp); bnxt_ulp_irq_restart(bp, rc); } - if (!netif_is_rxfh_configured(bp->dev)) - bnxt_set_dflt_rss_indir_tbl(bp); - if (rc) { netdev_err(bp->dev, "ring reservation/IRQ init failure rc: %d\n", rc); return rc; @@ -9284,16 +9311,17 @@ static ssize_t bnxt_show_temp(struct device *dev, struct hwrm_temp_monitor_query_input req = {0}; struct hwrm_temp_monitor_query_output *resp; struct bnxt *bp = dev_get_drvdata(dev); - u32 temp = 0; + u32 len = 0; + int rc; resp = bp->hwrm_cmd_resp_addr; bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_TEMP_MONITOR_QUERY, -1, -1); mutex_lock(&bp->hwrm_cmd_lock); - if (!_hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT)) - temp = resp->temp * 1000; /* display millidegree */ + rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); + if (!rc) + len = sprintf(buf, "%u\n", resp->temp * 1000); /* display millidegree */ mutex_unlock(&bp->hwrm_cmd_lock); - - return sprintf(buf, "%u\n", temp); + return rc ?: len; } static SENSOR_DEVICE_ATTR(temp1_input, 0444, bnxt_show_temp, NULL, 0); @@ -9313,7 +9341,16 @@ static void bnxt_hwmon_close(struct bnxt *bp) static void bnxt_hwmon_open(struct bnxt *bp) { + struct hwrm_temp_monitor_query_input req = {0}; struct pci_dev *pdev = bp->pdev; + int rc; + + bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_TEMP_MONITOR_QUERY, -1, -1); + rc = hwrm_send_message_silent(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); + if (rc == -EACCES || rc == -EOPNOTSUPP) { + bnxt_hwmon_close(bp); + return; + } if (bp->hwmon_dev) return; @@ -9475,15 +9512,15 @@ static int __bnxt_open_nic(struct bnxt *bp, bool irq_re_init, bool link_re_init) } } - bnxt_enable_napi(bp); - bnxt_debug_dev_init(bp); - rc = bnxt_init_nic(bp, irq_re_init); if (rc) { netdev_err(bp->dev, "bnxt_init_nic err: %x\n", rc); - goto open_err; + goto open_err_irq; } + bnxt_enable_napi(bp); + bnxt_debug_dev_init(bp); + if (link_re_init) { mutex_lock(&bp->link_lock); rc = bnxt_update_phy_setting(bp); @@ -9514,10 +9551,6 @@ static int __bnxt_open_nic(struct bnxt *bp, bool irq_re_init, bool link_re_init) bnxt_vf_reps_open(bp); return 0; -open_err: - bnxt_debug_dev_exit(bp); - bnxt_disable_napi(bp); - open_err_irq: bnxt_del_napi(bp); @@ -9765,7 +9798,7 @@ static int bnxt_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) case SIOCGMIIPHY: mdio->phy_id = bp->link_info.phy_addr; - /* fallthru */ + fallthrough; case SIOCGMIIREG: { u16 mii_regval = 0; @@ -11022,7 +11055,7 @@ static void bnxt_fw_reset_writel(struct bnxt *bp, int reg_idx) writel(reg_off & BNXT_GRC_BASE_MASK, bp->bar0 + BNXT_GRCPF_REG_WINDOW_BASE_OUT + 4); reg_off = (reg_off & BNXT_GRC_OFFSET_MASK) + 0x2000; - /* fall through */ + fallthrough; case BNXT_FW_HEALTH_REG_TYPE_BAR0: writel(val, bp->bar0 + reg_off); break; @@ -11135,7 +11168,7 @@ static void bnxt_fw_reset_task(struct work_struct *work) } bp->fw_reset_state = BNXT_FW_RESET_STATE_RESET_FW; } - /* fall through */ + fallthrough; case BNXT_FW_RESET_STATE_RESET_FW: bnxt_reset_all(bp); bp->fw_reset_state = BNXT_FW_RESET_STATE_ENABLE_DEV; @@ -11158,7 +11191,7 @@ static void bnxt_fw_reset_task(struct work_struct *work) } pci_set_master(bp->pdev); bp->fw_reset_state = BNXT_FW_RESET_STATE_POLL_FW; - /* fall through */ + fallthrough; case BNXT_FW_RESET_STATE_POLL_FW: bp->hwrm_cmd_timeout = SHORT_HWRM_CMD_TIMEOUT; rc = __bnxt_hwrm_ver_get(bp, true); @@ -11173,7 +11206,7 @@ static void bnxt_fw_reset_task(struct work_struct *work) } bp->hwrm_cmd_timeout = DFLT_HWRM_CMD_TIMEOUT; bp->fw_reset_state = BNXT_FW_RESET_STATE_OPENING; - /* fall through */ + fallthrough; case BNXT_FW_RESET_STATE_OPENING: while (!rtnl_trylock()) { bnxt_queue_fw_reset_work(bp, HZ / 10); @@ -11754,6 +11787,10 @@ static void bnxt_remove_one(struct pci_dev *pdev) if (BNXT_PF(bp)) bnxt_sriov_disable(bp); + clear_bit(BNXT_STATE_IN_FW_RESET, &bp->state); + bnxt_cancel_sp_work(bp); + bp->sp_event = 0; + bnxt_dl_fw_reporters_destroy(bp, true); if (BNXT_PF(bp)) devlink_port_type_clear(&bp->dl_port); @@ -11761,8 +11798,6 @@ static void bnxt_remove_one(struct pci_dev *pdev) unregister_netdev(dev); bnxt_dl_unregister(bp); bnxt_shutdown_tc(bp); - bnxt_cancel_sp_work(bp); - bp->sp_event = 0; bnxt_clear_int_mode(bp); bnxt_hwrm_func_drv_unrgtr(bp); @@ -12063,7 +12098,7 @@ static int bnxt_init_mac_addr(struct bnxt *bp) static void bnxt_vpd_read_info(struct bnxt *bp) { struct pci_dev *pdev = bp->pdev; - int i, len, pos, ro_size; + int i, len, pos, ro_size, size; ssize_t vpd_size; u8 *vpd_data; @@ -12098,7 +12133,8 @@ static void bnxt_vpd_read_info(struct bnxt *bp) if (len + pos > vpd_size) goto read_sn; - strlcpy(bp->board_partno, &vpd_data[pos], min(len, BNXT_VPD_FLD_LEN)); + size = min(len, BNXT_VPD_FLD_LEN - 1); + memcpy(bp->board_partno, &vpd_data[pos], size); read_sn: pos = pci_vpd_find_info_keyword(vpd_data, i, ro_size, @@ -12111,7 +12147,8 @@ read_sn: if (len + pos > vpd_size) goto exit; - strlcpy(bp->board_serialno, &vpd_data[pos], min(len, BNXT_VPD_FLD_LEN)); + size = min(len, BNXT_VPD_FLD_LEN - 1); + memcpy(bp->board_serialno, &vpd_data[pos], size); exit: kfree(vpd_data); } @@ -12200,6 +12237,10 @@ static int bnxt_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) if (BNXT_CHIP_P5(bp)) bp->flags |= BNXT_FLAG_CHIP_P5; + rc = bnxt_alloc_rss_indir_tbl(bp); + if (rc) + goto init_err_pci_clean; + rc = bnxt_fw_init_one_p2(bp); if (rc) goto init_err_pci_clean; @@ -12304,11 +12345,6 @@ static int bnxt_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) */ bp->tx_nr_rings_per_tc = bp->tx_nr_rings; - rc = bnxt_alloc_rss_indir_tbl(bp); - if (rc) - goto init_err_pci_clean; - bnxt_set_dflt_rss_indir_tbl(bp); - if (BNXT_PF(bp)) { if (!bnxt_pf_wq) { bnxt_pf_wq = @@ -12339,6 +12375,7 @@ static int bnxt_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) (long)pci_resource_start(pdev, 0), dev->dev_addr); pcie_print_link_status(pdev); + pci_save_state(pdev); return 0; init_err_cleanup: @@ -12536,6 +12573,8 @@ static pci_ers_result_t bnxt_io_slot_reset(struct pci_dev *pdev) "Cannot re-enable PCI device after reset.\n"); } else { pci_set_master(pdev); + pci_restore_state(pdev); + pci_save_state(pdev); err = bnxt_hwrm_func_reset(bp); if (!err) { diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h index 5a13eb66bedad9..0ef89dabfd6146 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h @@ -1737,6 +1737,10 @@ struct bnxt { #define BNXT_STATE_FW_FATAL_COND 6 #define BNXT_STATE_DRV_REGISTERED 7 +#define BNXT_NO_FW_ACCESS(bp) \ + (test_bit(BNXT_STATE_FW_FATAL_COND, &(bp)->state) || \ + pci_channel_offline((bp)->pdev)) + struct bnxt_irq *irq_tbl; int total_irqs; u8 mac_addr[ETH_ALEN]; diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c index 64da654f10389b..fecdfd875af1c1 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c @@ -472,20 +472,13 @@ static int bnxt_get_num_tpa_ring_stats(struct bnxt *bp) static int bnxt_get_num_ring_stats(struct bnxt *bp) { int rx, tx, cmn; - bool sh = false; - - if (bp->flags & BNXT_FLAG_SHARED_RINGS) - sh = true; rx = NUM_RING_RX_HW_STATS + NUM_RING_RX_SW_STATS + bnxt_get_num_tpa_ring_stats(bp); tx = NUM_RING_TX_HW_STATS; cmn = NUM_RING_CMN_SW_STATS; - if (sh) - return (rx + tx + cmn) * bp->cp_nr_rings; - else - return rx * bp->rx_nr_rings + tx * bp->tx_nr_rings + - cmn * bp->cp_nr_rings; + return rx * bp->rx_nr_rings + tx * bp->tx_nr_rings + + cmn * bp->cp_nr_rings; } static int bnxt_get_num_stats(struct bnxt *bp) @@ -806,7 +799,7 @@ static void bnxt_get_channels(struct net_device *dev, int max_tx_sch_inputs; /* Get the most up-to-date max_tx_sch_inputs. */ - if (BNXT_NEW_RM(bp)) + if (netif_running(dev) && BNXT_NEW_RM(bp)) bnxt_hwrm_func_resc_qcaps(bp, false); max_tx_sch_inputs = hw_resc->max_tx_sch_inputs; @@ -1073,7 +1066,7 @@ static int bnxt_grxfh(struct bnxt *bp, struct ethtool_rxnfc *cmd) if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV4) cmd->data |= RXH_IP_SRC | RXH_IP_DST | RXH_L4_B_0_1 | RXH_L4_B_2_3; - /* fall through */ + fallthrough; case SCTP_V4_FLOW: case AH_ESP_V4_FLOW: case AH_V4_FLOW: @@ -1092,7 +1085,7 @@ static int bnxt_grxfh(struct bnxt *bp, struct ethtool_rxnfc *cmd) if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV6) cmd->data |= RXH_IP_SRC | RXH_IP_DST | RXH_L4_B_0_1 | RXH_L4_B_2_3; - /* fall through */ + fallthrough; case SCTP_V6_FLOW: case AH_ESP_V6_FLOW: case AH_V6_FLOW: @@ -1329,6 +1322,9 @@ static int bnxt_get_regs_len(struct net_device *dev) struct bnxt *bp = netdev_priv(dev); int reg_len; + if (!BNXT_PF(bp)) + return -EOPNOTSUPP; + reg_len = BNXT_PXP_REG_LEN; if (bp->fw_cap & BNXT_FW_CAP_PCIE_STATS_SUPPORTED) @@ -1795,9 +1791,12 @@ static int bnxt_set_pauseparam(struct net_device *dev, if (!BNXT_PHY_CFG_ABLE(bp)) return -EOPNOTSUPP; + mutex_lock(&bp->link_lock); if (epause->autoneg) { - if (!(link_info->autoneg & BNXT_AUTONEG_SPEED)) - return -EINVAL; + if (!(link_info->autoneg & BNXT_AUTONEG_SPEED)) { + rc = -EINVAL; + goto pause_exit; + } link_info->autoneg |= BNXT_AUTONEG_FLOW_CTRL; if (bp->hwrm_spec_code >= 0x10201) @@ -1818,11 +1817,11 @@ static int bnxt_set_pauseparam(struct net_device *dev, if (epause->tx_pause) link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_TX; - if (netif_running(dev)) { - mutex_lock(&bp->link_lock); + if (netif_running(dev)) rc = bnxt_hwrm_set_pause(bp); - mutex_unlock(&bp->link_lock); - } + +pause_exit: + mutex_unlock(&bp->link_lock); return rc; } @@ -2323,6 +2322,9 @@ static int bnxt_get_nvram_directory(struct net_device *dev, u32 len, u8 *data) if (rc != 0) return rc; + if (!dir_entries || !entry_length) + return -EIO; + /* Insert 2 bytes of directory info (count and size of entries) */ if (len < 2) return -EINVAL; @@ -2556,8 +2558,7 @@ static int bnxt_set_eee(struct net_device *dev, struct ethtool_eee *edata) struct bnxt *bp = netdev_priv(dev); struct ethtool_eee *eee = &bp->eee; struct bnxt_link_info *link_info = &bp->link_info; - u32 advertising = - _bnxt_fw_to_ethtool_adv_spds(link_info->advertising, 0); + u32 advertising; int rc = 0; if (!BNXT_PHY_CFG_ABLE(bp)) @@ -2566,19 +2567,23 @@ static int bnxt_set_eee(struct net_device *dev, struct ethtool_eee *edata) if (!(bp->flags & BNXT_FLAG_EEE_CAP)) return -EOPNOTSUPP; + mutex_lock(&bp->link_lock); + advertising = _bnxt_fw_to_ethtool_adv_spds(link_info->advertising, 0); if (!edata->eee_enabled) goto eee_ok; if (!(link_info->autoneg & BNXT_AUTONEG_SPEED)) { netdev_warn(dev, "EEE requires autoneg\n"); - return -EINVAL; + rc = -EINVAL; + goto eee_exit; } if (edata->tx_lpi_enabled) { if (bp->lpi_tmr_hi && (edata->tx_lpi_timer > bp->lpi_tmr_hi || edata->tx_lpi_timer < bp->lpi_tmr_lo)) { netdev_warn(dev, "Valid LPI timer range is %d and %d microsecs\n", bp->lpi_tmr_lo, bp->lpi_tmr_hi); - return -EINVAL; + rc = -EINVAL; + goto eee_exit; } else if (!bp->lpi_tmr_hi) { edata->tx_lpi_timer = eee->tx_lpi_timer; } @@ -2588,7 +2593,8 @@ static int bnxt_set_eee(struct net_device *dev, struct ethtool_eee *edata) } else if (edata->advertised & ~advertising) { netdev_warn(dev, "EEE advertised %x must be a subset of autoneg advertised speeds %x\n", edata->advertised, advertising); - return -EINVAL; + rc = -EINVAL; + goto eee_exit; } eee->advertised = edata->advertised; @@ -2600,6 +2606,8 @@ eee_ok: if (netif_running(dev)) rc = bnxt_hwrm_set_link_setting(bp, false, true); +eee_exit: + mutex_unlock(&bp->link_lock); return rc; } diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c index 2704a4709bc7b4..fcc262064766a2 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c @@ -201,10 +201,10 @@ bool bnxt_rx_xdp(struct bnxt *bp, struct bnxt_rx_ring_info *rxr, u16 cons, break; default: bpf_warn_invalid_xdp_action(act); - /* Fall thru */ + fallthrough; case XDP_ABORTED: trace_xdp_exception(bp->dev, xdp_prog, act); - /* Fall thru */ + fallthrough; case XDP_DROP: bnxt_reuse_rx_data(rxr, cons, page); break; diff --git a/drivers/net/ethernet/broadcom/cnic.c b/drivers/net/ethernet/broadcom/cnic.c index c5cca63b857107..84536292b03131 100644 --- a/drivers/net/ethernet/broadcom/cnic.c +++ b/drivers/net/ethernet/broadcom/cnic.c @@ -3311,7 +3311,7 @@ static int cnic_ctl(void *data, struct cnic_ctl_info *info) } case CNIC_CTL_FCOE_STATS_GET_CMD: ulp_type = CNIC_ULP_FCOE; - /* fall through */ + fallthrough; case CNIC_CTL_ISCSI_STATS_GET_CMD: cnic_hold(dev); cnic_copy_ulp_stats(dev, ulp_type); @@ -4044,7 +4044,7 @@ static void cnic_cm_process_kcqe(struct cnic_dev *dev, struct kcqe *kcqe) l4kcqe->status, l5kcqe->completion_status); opcode = L4_KCQE_OPCODE_VALUE_CLOSE_COMP; } - /* Fall through */ + fallthrough; case L4_KCQE_OPCODE_VALUE_RESET_RECEIVED: case L4_KCQE_OPCODE_VALUE_CLOSE_COMP: case L4_KCQE_OPCODE_VALUE_RESET_COMP: diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c index 1fecc25767bd01..be85dad2e3bc4d 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c +++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c @@ -1185,10 +1185,10 @@ static void bcmgenet_update_mib_counters(struct bcmgenet_priv *priv) continue; case BCMGENET_STAT_RUNT: offset += BCMGENET_STAT_OFFSET; - /* fall through */ + fallthrough; case BCMGENET_STAT_MIB_TX: offset += BCMGENET_STAT_OFFSET; - /* fall through */ + fallthrough; case BCMGENET_STAT_MIB_RX: val = bcmgenet_umac_readl(priv, UMAC_MIB_START + j + offset); @@ -1364,7 +1364,7 @@ static int bcmgenet_validate_flow(struct net_device *dev, case ETHER_FLOW: eth_mask = &cmd->fs.m_u.ether_spec; /* don't allow mask which isn't valid */ - if (VALIDATE_MASK(eth_mask->h_source) || + if (VALIDATE_MASK(eth_mask->h_dest) || VALIDATE_MASK(eth_mask->h_source) || VALIDATE_MASK(eth_mask->h_proto)) { netdev_err(dev, "rxnfc: Unsupported mask\n"); diff --git a/drivers/net/ethernet/broadcom/genet/bcmmii.c b/drivers/net/ethernet/broadcom/genet/bcmmii.c index 511d553a4d1131..6fb6c355628548 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmmii.c +++ b/drivers/net/ethernet/broadcom/genet/bcmmii.c @@ -192,7 +192,7 @@ int bcmgenet_mii_config(struct net_device *dev, bool init) switch (priv->phy_interface) { case PHY_INTERFACE_MODE_INTERNAL: phy_name = "internal PHY"; - /* fall through */ + fallthrough; case PHY_INTERFACE_MODE_MOCA: /* Irrespective of the actually configured PHY speed (100 or * 1000) GENETv4 only has an internal GPHY so we will just end diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c index ebff1fc0d8cef5..5143cdd0eecada 100644 --- a/drivers/net/ethernet/broadcom/tg3.c +++ b/drivers/net/ethernet/broadcom/tg3.c @@ -715,7 +715,7 @@ static int tg3_ape_lock(struct tg3 *tp, int locknum) case TG3_APE_LOCK_GPIO: if (tg3_asic_rev(tp) == ASIC_REV_5761) return 0; - /* fall through */ + fallthrough; case TG3_APE_LOCK_GRC: case TG3_APE_LOCK_MEM: if (!tp->pci_fn) @@ -776,7 +776,7 @@ static void tg3_ape_unlock(struct tg3 *tp, int locknum) case TG3_APE_LOCK_GPIO: if (tg3_asic_rev(tp) == ASIC_REV_5761) return; - /* fall through */ + fallthrough; case TG3_APE_LOCK_GRC: case TG3_APE_LOCK_MEM: if (!tp->pci_fn) @@ -1586,7 +1586,7 @@ static int tg3_mdio_init(struct tg3 *tp) phydev->dev_flags |= PHY_BRCM_EXT_IBND_RX_ENABLE; if (tg3_flag(tp, RGMII_EXT_IBND_TX_EN)) phydev->dev_flags |= PHY_BRCM_EXT_IBND_TX_ENABLE; - /* fall through */ + fallthrough; case PHY_ID_RTL8211C: phydev->interface = PHY_INTERFACE_MODE_RGMII; break; @@ -2114,7 +2114,7 @@ static int tg3_phy_init(struct tg3 *tp) phy_support_asym_pause(phydev); break; } - /* fall through */ + fallthrough; case PHY_INTERFACE_MODE_MII: phy_set_max_speed(phydev, SPEED_100); phy_support_asym_pause(phydev); @@ -4390,7 +4390,7 @@ static int tg3_phy_autoneg_cfg(struct tg3 *tp, u32 advertise, u32 flowctrl) MII_TG3_DSP_TAP26_RMRXSTO | MII_TG3_DSP_TAP26_OPCSINPT; tg3_phydsp_write(tp, MII_TG3_DSP_TAP26, val); - /* Fall through */ + fallthrough; case ASIC_REV_5720: case ASIC_REV_5762: if (!tg3_phydsp_read(tp, MII_TG3_DSP_CH34TP2, &val)) @@ -4538,7 +4538,7 @@ static int tg3_phy_pull_config(struct tg3 *tp) tp->link_config.speed = SPEED_1000; break; } - /* Fall through */ + fallthrough; default: goto done; } @@ -5209,7 +5209,7 @@ static int tg3_fiber_aneg_smachine(struct tg3 *tp, if (ap->flags & (MR_AN_ENABLE | MR_RESTART_AN)) ap->state = ANEG_STATE_AN_ENABLE; - /* fall through */ + fallthrough; case ANEG_STATE_AN_ENABLE: ap->flags &= ~(MR_AN_COMPLETE | MR_PAGE_RX); if (ap->flags & MR_AN_ENABLE) { @@ -5239,7 +5239,7 @@ static int tg3_fiber_aneg_smachine(struct tg3 *tp, ret = ANEG_TIMER_ENAB; ap->state = ANEG_STATE_RESTART; - /* fall through */ + fallthrough; case ANEG_STATE_RESTART: delta = ap->cur_time - ap->link_time; if (delta > ANEG_STATE_SETTLE_TIME) @@ -5282,7 +5282,7 @@ static int tg3_fiber_aneg_smachine(struct tg3 *tp, ap->state = ANEG_STATE_ACK_DETECT; - /* fall through */ + fallthrough; case ANEG_STATE_ACK_DETECT: if (ap->ack_match != 0) { if ((ap->rxconfig & ~ANEG_CFG_ACK) == @@ -7221,8 +7221,8 @@ static inline void tg3_reset_task_schedule(struct tg3 *tp) static inline void tg3_reset_task_cancel(struct tg3 *tp) { - cancel_work_sync(&tp->reset_task); - tg3_flag_clear(tp, RESET_TASK_PENDING); + if (test_and_clear_bit(TG3_FLAG_RESET_TASK_PENDING, tp->tg3_flags)) + cancel_work_sync(&tp->reset_task); tg3_flag_clear(tp, TX_RECOVERY_PENDING); } @@ -10720,40 +10720,40 @@ static int tg3_reset_hw(struct tg3 *tp, bool reset_phy) switch (limit) { case 16: tw32(MAC_RCV_RULE_15, 0); tw32(MAC_RCV_VALUE_15, 0); - /* fall through */ + fallthrough; case 15: tw32(MAC_RCV_RULE_14, 0); tw32(MAC_RCV_VALUE_14, 0); - /* fall through */ + fallthrough; case 14: tw32(MAC_RCV_RULE_13, 0); tw32(MAC_RCV_VALUE_13, 0); - /* fall through */ + fallthrough; case 13: tw32(MAC_RCV_RULE_12, 0); tw32(MAC_RCV_VALUE_12, 0); - /* fall through */ + fallthrough; case 12: tw32(MAC_RCV_RULE_11, 0); tw32(MAC_RCV_VALUE_11, 0); - /* fall through */ + fallthrough; case 11: tw32(MAC_RCV_RULE_10, 0); tw32(MAC_RCV_VALUE_10, 0); - /* fall through */ + fallthrough; case 10: tw32(MAC_RCV_RULE_9, 0); tw32(MAC_RCV_VALUE_9, 0); - /* fall through */ + fallthrough; case 9: tw32(MAC_RCV_RULE_8, 0); tw32(MAC_RCV_VALUE_8, 0); - /* fall through */ + fallthrough; case 8: tw32(MAC_RCV_RULE_7, 0); tw32(MAC_RCV_VALUE_7, 0); - /* fall through */ + fallthrough; case 7: tw32(MAC_RCV_RULE_6, 0); tw32(MAC_RCV_VALUE_6, 0); - /* fall through */ + fallthrough; case 6: tw32(MAC_RCV_RULE_5, 0); tw32(MAC_RCV_VALUE_5, 0); - /* fall through */ + fallthrough; case 5: tw32(MAC_RCV_RULE_4, 0); tw32(MAC_RCV_VALUE_4, 0); - /* fall through */ + fallthrough; case 4: /* tw32(MAC_RCV_RULE_3, 0); tw32(MAC_RCV_VALUE_3, 0); */ case 3: @@ -11209,18 +11209,27 @@ static void tg3_reset_task(struct work_struct *work) tg3_halt(tp, RESET_KIND_SHUTDOWN, 0); err = tg3_init_hw(tp, true); - if (err) + if (err) { + tg3_full_unlock(tp); + tp->irq_sync = 0; + tg3_napi_enable(tp); + /* Clear this flag so that tg3_reset_task_cancel() will not + * call cancel_work_sync() and wait forever. + */ + tg3_flag_clear(tp, RESET_TASK_PENDING); + dev_close(tp->dev); goto out; + } tg3_netif_start(tp); -out: tg3_full_unlock(tp); if (!err) tg3_phy_start(tp); tg3_flag_clear(tp, RESET_TASK_PENDING); +out: rtnl_unlock(); } @@ -13998,7 +14007,7 @@ static int tg3_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) case SIOCGMIIPHY: data->phy_id = tp->phy_addr; - /* fall through */ + fallthrough; case SIOCGMIIREG: { u32 mii_regval; @@ -17136,7 +17145,7 @@ static u32 tg3_calc_dma_bndry(struct tg3 *tp, u32 val) val |= DMA_RWCTRL_WRITE_BNDRY_64_PCIE; break; } - /* fallthrough */ + fallthrough; case 128: default: val &= ~DMA_RWCTRL_WRITE_BNDRY_DISAB_PCIE; @@ -17151,28 +17160,28 @@ static u32 tg3_calc_dma_bndry(struct tg3 *tp, u32 val) DMA_RWCTRL_WRITE_BNDRY_16); break; } - /* fallthrough */ + fallthrough; case 32: if (goal == BOUNDARY_SINGLE_CACHELINE) { val |= (DMA_RWCTRL_READ_BNDRY_32 | DMA_RWCTRL_WRITE_BNDRY_32); break; } - /* fallthrough */ + fallthrough; case 64: if (goal == BOUNDARY_SINGLE_CACHELINE) { val |= (DMA_RWCTRL_READ_BNDRY_64 | DMA_RWCTRL_WRITE_BNDRY_64); break; } - /* fallthrough */ + fallthrough; case 128: if (goal == BOUNDARY_SINGLE_CACHELINE) { val |= (DMA_RWCTRL_READ_BNDRY_128 | DMA_RWCTRL_WRITE_BNDRY_128); break; } - /* fallthrough */ + fallthrough; case 256: val |= (DMA_RWCTRL_READ_BNDRY_256 | DMA_RWCTRL_WRITE_BNDRY_256); diff --git a/drivers/net/ethernet/brocade/bna/bfa_ioc.c b/drivers/net/ethernet/brocade/bna/bfa_ioc.c index 49358d42a0e267..b9dd06b1294544 100644 --- a/drivers/net/ethernet/brocade/bna/bfa_ioc.c +++ b/drivers/net/ethernet/brocade/bna/bfa_ioc.c @@ -321,7 +321,7 @@ bfa_ioc_sm_getattr(struct bfa_ioc *ioc, enum ioc_event event) case IOC_E_PFFAILED: case IOC_E_HWERROR: del_timer(&ioc->ioc_timer); - /* fall through */ + fallthrough; case IOC_E_TIMEOUT: ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE); bfa_fsm_set_state(ioc, bfa_ioc_sm_fail); @@ -780,7 +780,7 @@ bfa_iocpf_sm_enabling(struct bfa_iocpf *iocpf, enum iocpf_event event) case IOCPF_E_INITFAIL: del_timer(&ioc->iocpf_timer); - /* fall through */ + fallthrough; case IOCPF_E_TIMEOUT: bfa_nw_ioc_hw_sem_release(ioc); @@ -849,7 +849,7 @@ bfa_iocpf_sm_disabling(struct bfa_iocpf *iocpf, enum iocpf_event event) case IOCPF_E_FAIL: del_timer(&ioc->iocpf_timer); - /* fall through*/ + fallthrough; case IOCPF_E_TIMEOUT: bfa_ioc_set_cur_ioc_fwstate(ioc, BFI_IOC_FAIL); diff --git a/drivers/net/ethernet/brocade/bna/bna_enet.c b/drivers/net/ethernet/brocade/bna/bna_enet.c index 40107a9bd120f9..a2c983f56b00eb 100644 --- a/drivers/net/ethernet/brocade/bna/bna_enet.c +++ b/drivers/net/ethernet/brocade/bna/bna_enet.c @@ -1084,7 +1084,7 @@ bna_enet_sm_cfg_wait(struct bna_enet *enet, case ENET_E_CHLD_STOPPED: bna_enet_rx_start(enet); - /* Fall through */ + fallthrough; case ENET_E_FWRESP_PAUSE: if (enet->flags & BNA_ENET_F_PAUSE_CHANGED) { enet->flags &= ~BNA_ENET_F_PAUSE_CHANGED; diff --git a/drivers/net/ethernet/brocade/bna/bna_tx_rx.c b/drivers/net/ethernet/brocade/bna/bna_tx_rx.c index b5ecbfe13ab09e..2623a0da468206 100644 --- a/drivers/net/ethernet/brocade/bna/bna_tx_rx.c +++ b/drivers/net/ethernet/brocade/bna/bna_tx_rx.c @@ -1636,7 +1636,7 @@ bna_bfi_rx_enet_start(struct bna_rx *rx) &q1->qpt); cfg_req->q_cfg[i].qs.rx_buffer_size = htons((u16)q1->buffer_size); - /* Fall through */ + fallthrough; case BNA_RXP_SINGLE: /* Large/Single RxQ */ diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c index 6761f404b8aae6..9179f7b0b900ea 100644 --- a/drivers/net/ethernet/cadence/macb_main.c +++ b/drivers/net/ethernet/cadence/macb_main.c @@ -647,8 +647,7 @@ static void macb_mac_link_up(struct phylink_config *config, ctrl |= GEM_BIT(GBE); } - /* We do not support MLO_PAUSE_RX yet */ - if (tx_pause) + if (rx_pause) ctrl |= MACB_BIT(PAE); macb_set_tx_clk(bp->tx_clk, speed, ndev); diff --git a/drivers/net/ethernet/cadence/macb_ptp.c b/drivers/net/ethernet/cadence/macb_ptp.c index 31ebf3ee7ec0e1..283918aeb741d5 100644 --- a/drivers/net/ethernet/cadence/macb_ptp.c +++ b/drivers/net/ethernet/cadence/macb_ptp.c @@ -460,7 +460,7 @@ int gem_set_hwtst(struct net_device *dev, struct ifreq *ifr, int cmd) case HWTSTAMP_TX_ONESTEP_SYNC: if (gem_ptp_set_one_step_sync(bp, 1) != 0) return -ERANGE; - /* fall through */ + fallthrough; case HWTSTAMP_TX_ON: tx_bd_control = TSTAMP_ALL_FRAMES; break; diff --git a/drivers/net/ethernet/cavium/liquidio/lio_main.c b/drivers/net/ethernet/cavium/liquidio/lio_main.c index e73bc211779a09..8e0ed01e7f038b 100644 --- a/drivers/net/ethernet/cavium/liquidio/lio_main.c +++ b/drivers/net/ethernet/cavium/liquidio/lio_main.c @@ -977,15 +977,14 @@ static void octeon_destroy_resources(struct octeon_device *oct) schedule_timeout_uninterruptible(HZ / 10); - /* fallthrough */ + fallthrough; case OCT_DEV_HOST_OK: - /* fallthrough */ case OCT_DEV_CONSOLE_INIT_DONE: /* Remove any consoles */ octeon_remove_consoles(oct); - /* fallthrough */ + fallthrough; case OCT_DEV_IO_QUEUES_DONE: if (lio_wait_for_instr_fetch(oct)) dev_err(&oct->pci_dev->dev, "IQ had pending instructions\n"); @@ -1027,7 +1026,7 @@ static void octeon_destroy_resources(struct octeon_device *oct) octeon_free_sc_done_list(oct); octeon_free_sc_zombie_list(oct); - /* fallthrough */ + fallthrough; case OCT_DEV_INTR_SET_DONE: /* Disable interrupts */ oct->fn_list.disable_interrupt(oct, OCTEON_ALL_INTR); @@ -1062,17 +1061,17 @@ static void octeon_destroy_resources(struct octeon_device *oct) kfree(oct->irq_name_storage); oct->irq_name_storage = NULL; - /* fallthrough */ + fallthrough; case OCT_DEV_MSIX_ALLOC_VECTOR_DONE: if (OCTEON_CN23XX_PF(oct)) octeon_free_ioq_vector(oct); - /* fallthrough */ + fallthrough; case OCT_DEV_MBOX_SETUP_DONE: if (OCTEON_CN23XX_PF(oct)) oct->fn_list.free_mbox(oct); - /* fallthrough */ + fallthrough; case OCT_DEV_IN_RESET: case OCT_DEV_DROQ_INIT_DONE: /* Wait for any pending operations */ @@ -1095,11 +1094,11 @@ static void octeon_destroy_resources(struct octeon_device *oct) } } - /* fallthrough */ + fallthrough; case OCT_DEV_RESP_LIST_INIT_DONE: octeon_delete_response_list(oct); - /* fallthrough */ + fallthrough; case OCT_DEV_INSTR_QUEUE_INIT_DONE: for (i = 0; i < MAX_OCTEON_INSTR_QUEUES(oct); i++) { if (!(oct->io_qmask.iq & BIT_ULL(i))) @@ -1110,16 +1109,16 @@ static void octeon_destroy_resources(struct octeon_device *oct) if (oct->sriov_info.sriov_enabled) pci_disable_sriov(oct->pci_dev); #endif - /* fallthrough */ + fallthrough; case OCT_DEV_SC_BUFF_POOL_INIT_DONE: octeon_free_sc_buffer_pool(oct); - /* fallthrough */ + fallthrough; case OCT_DEV_DISPATCH_INIT_DONE: octeon_delete_dispatch_list(oct); cancel_delayed_work_sync(&oct->nic_poll_work.work); - /* fallthrough */ + fallthrough; case OCT_DEV_PCI_MAP_DONE: refcount = octeon_deregister_device(oct); @@ -1137,13 +1136,13 @@ static void octeon_destroy_resources(struct octeon_device *oct) octeon_unmap_pci_barx(oct, 0); octeon_unmap_pci_barx(oct, 1); - /* fallthrough */ + fallthrough; case OCT_DEV_PCI_ENABLE_DONE: pci_clear_master(oct->pci_dev); /* Disable the device, releasing the PCI INT */ pci_disable_device(oct->pci_dev); - /* fallthrough */ + fallthrough; case OCT_DEV_BEGIN_STATE: /* Nothing to be done here either */ break; @@ -2168,7 +2167,7 @@ static int liquidio_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) case SIOCSHWTSTAMP: if (lio->oct_dev->ptp_enable) return hwtstamp_ioctl(netdev, ifr); - /* fall through */ + fallthrough; default: return -EOPNOTSUPP; } diff --git a/drivers/net/ethernet/cavium/liquidio/lio_vf_main.c b/drivers/net/ethernet/cavium/liquidio/lio_vf_main.c index 90ef21086f271b..8c5879e31240fd 100644 --- a/drivers/net/ethernet/cavium/liquidio/lio_vf_main.c +++ b/drivers/net/ethernet/cavium/liquidio/lio_vf_main.c @@ -460,9 +460,8 @@ static void octeon_destroy_resources(struct octeon_device *oct) schedule_timeout_uninterruptible(HZ / 10); - /* fallthrough */ + fallthrough; case OCT_DEV_HOST_OK: - /* fallthrough */ case OCT_DEV_IO_QUEUES_DONE: if (lio_wait_for_instr_fetch(oct)) dev_err(&oct->pci_dev->dev, "IQ had pending instructions\n"); @@ -504,7 +503,7 @@ static void octeon_destroy_resources(struct octeon_device *oct) octeon_free_sc_done_list(oct); octeon_free_sc_zombie_list(oct); - /* fall through */ + fallthrough; case OCT_DEV_INTR_SET_DONE: /* Disable interrupts */ oct->fn_list.disable_interrupt(oct, OCTEON_ALL_INTR); @@ -533,15 +532,15 @@ static void octeon_destroy_resources(struct octeon_device *oct) else cn23xx_vf_ask_pf_to_do_flr(oct); - /* fallthrough */ + fallthrough; case OCT_DEV_MSIX_ALLOC_VECTOR_DONE: octeon_free_ioq_vector(oct); - /* fallthrough */ + fallthrough; case OCT_DEV_MBOX_SETUP_DONE: oct->fn_list.free_mbox(oct); - /* fallthrough */ + fallthrough; case OCT_DEV_IN_RESET: case OCT_DEV_DROQ_INIT_DONE: mdelay(100); @@ -551,11 +550,11 @@ static void octeon_destroy_resources(struct octeon_device *oct) octeon_delete_droq(oct, i); } - /* fallthrough */ + fallthrough; case OCT_DEV_RESP_LIST_INIT_DONE: octeon_delete_response_list(oct); - /* fallthrough */ + fallthrough; case OCT_DEV_INSTR_QUEUE_INIT_DONE: for (i = 0; i < MAX_OCTEON_INSTR_QUEUES(oct); i++) { if (!(oct->io_qmask.iq & BIT_ULL(i))) @@ -563,27 +562,27 @@ static void octeon_destroy_resources(struct octeon_device *oct) octeon_delete_instr_queue(oct, i); } - /* fallthrough */ + fallthrough; case OCT_DEV_SC_BUFF_POOL_INIT_DONE: octeon_free_sc_buffer_pool(oct); - /* fallthrough */ + fallthrough; case OCT_DEV_DISPATCH_INIT_DONE: octeon_delete_dispatch_list(oct); cancel_delayed_work_sync(&oct->nic_poll_work.work); - /* fallthrough */ + fallthrough; case OCT_DEV_PCI_MAP_DONE: octeon_unmap_pci_barx(oct, 0); octeon_unmap_pci_barx(oct, 1); - /* fallthrough */ + fallthrough; case OCT_DEV_PCI_ENABLE_DONE: pci_clear_master(oct->pci_dev); /* Disable the device, releasing the PCI INT */ pci_disable_device(oct->pci_dev); - /* fallthrough */ + fallthrough; case OCT_DEV_BEGIN_STATE: /* Nothing to be done here either */ break; diff --git a/drivers/net/ethernet/cavium/octeon/octeon_mgmt.c b/drivers/net/ethernet/cavium/octeon/octeon_mgmt.c index 3e17ce0d231455..6cb2162a75d479 100644 --- a/drivers/net/ethernet/cavium/octeon/octeon_mgmt.c +++ b/drivers/net/ethernet/cavium/octeon/octeon_mgmt.c @@ -1219,7 +1219,7 @@ static int octeon_mgmt_open(struct net_device *netdev) */ if (netdev->phydev) { netif_carrier_off(netdev); - phy_start_aneg(netdev->phydev); + phy_start(netdev->phydev); } netif_wake_queue(netdev); @@ -1247,8 +1247,10 @@ static int octeon_mgmt_stop(struct net_device *netdev) napi_disable(&p->napi); netif_stop_queue(netdev); - if (netdev->phydev) + if (netdev->phydev) { + phy_stop(netdev->phydev); phy_disconnect(netdev->phydev); + } netif_carrier_off(netdev); diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_ethtool.c b/drivers/net/ethernet/cavium/thunder/nicvf_ethtool.c index 83dabcffc789a2..c7bdac79299ac5 100644 --- a/drivers/net/ethernet/cavium/thunder/nicvf_ethtool.c +++ b/drivers/net/ethernet/cavium/thunder/nicvf_ethtool.c @@ -522,7 +522,7 @@ static int nicvf_get_rss_hash_opts(struct nicvf *nic, case SCTP_V4_FLOW: case SCTP_V6_FLOW: info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; - /* Fall through */ + fallthrough; case IPV4_FLOW: case IPV6_FLOW: info->data |= RXH_IP_SRC | RXH_IP_DST; diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_main.c b/drivers/net/ethernet/cavium/thunder/nicvf_main.c index c1378b5c780cf8..063e560d9c1b30 100644 --- a/drivers/net/ethernet/cavium/thunder/nicvf_main.c +++ b/drivers/net/ethernet/cavium/thunder/nicvf_main.c @@ -594,10 +594,10 @@ static inline bool nicvf_xdp_rx(struct nicvf *nic, struct bpf_prog *prog, return true; default: bpf_warn_invalid_xdp_action(action); - /* fall through */ + fallthrough; case XDP_ABORTED: trace_xdp_exception(nic->netdev, prog, action); - /* fall through */ + fallthrough; case XDP_DROP: /* Check if it's a recycled page, if not * unmap the DMA mapping. diff --git a/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c b/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c index 42c6e9379882f7..387c357e1b8e2a 100644 --- a/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c +++ b/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c @@ -2543,7 +2543,7 @@ static int cxgb_ioctl(struct net_device *dev, struct ifreq *req, int cmd) !(data->phy_id & 0xe0e0)) data->phy_id = mdio_phy_id_c45(data->phy_id >> 8, data->phy_id & 0x1f); - /* FALLTHRU */ + fallthrough; case SIOCGMIIPHY: return mdio_mii_ioctl(&pi->phy.mdio, data, cmd); case SIOCCHIOCTL: diff --git a/drivers/net/ethernet/chelsio/cxgb3/l2t.c b/drivers/net/ethernet/chelsio/cxgb3/l2t.c index b3e4118a15e700..9749d1239f58e1 100644 --- a/drivers/net/ethernet/chelsio/cxgb3/l2t.c +++ b/drivers/net/ethernet/chelsio/cxgb3/l2t.c @@ -136,7 +136,7 @@ again: if (e->state == L2T_STATE_STALE) e->state = L2T_STATE_VALID; spin_unlock_bh(&e->lock); - /* fall through */ + fallthrough; case L2T_STATE_VALID: /* fast-path, send the packet on */ return cxgb3_ofld_send(dev, skb); case L2T_STATE_RESOLVING: diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_filter.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_filter.c index 650db92cb11c68..481498585ead52 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_filter.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_filter.c @@ -1911,13 +1911,16 @@ out: static int configure_filter_tcb(struct adapter *adap, unsigned int tid, struct filter_entry *f) { - if (f->fs.hitcnts) + if (f->fs.hitcnts) { set_tcb_field(adap, f, tid, TCB_TIMESTAMP_W, - TCB_TIMESTAMP_V(TCB_TIMESTAMP_M) | + TCB_TIMESTAMP_V(TCB_TIMESTAMP_M), + TCB_TIMESTAMP_V(0ULL), + 1); + set_tcb_field(adap, f, tid, TCB_RTT_TS_RECENT_AGE_W, TCB_RTT_TS_RECENT_AGE_V(TCB_RTT_TS_RECENT_AGE_M), - TCB_TIMESTAMP_V(0ULL) | TCB_RTT_TS_RECENT_AGE_V(0ULL), 1); + } if (f->fs.newdmac) set_tcb_tflag(adap, f, tid, TF_CCTRL_ECE_S, 1, diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_mps.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_mps.c index b1a073eea60b2f..a020e84906813f 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_mps.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_mps.c @@ -229,7 +229,7 @@ void cxgb4_free_mps_ref_entries(struct adapter *adap) { struct mps_entries_ref *mps_entry, *tmp; - if (!list_empty(&adap->mps_ref)) + if (list_empty(&adap->mps_ref)) return; spin_lock(&adap->mps_ref_lock); diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_thermal.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_thermal.c index e3510e9b21f3ce..9a6d65243334af 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_thermal.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_thermal.c @@ -62,6 +62,7 @@ static struct thermal_zone_device_ops cxgb4_thermal_ops = { int cxgb4_thermal_init(struct adapter *adap) { struct ch_thermal *ch_thermal = &adap->ch_thermal; + char ch_tz_name[THERMAL_NAME_LENGTH]; int num_trip = CXGB4_NUM_TRIPS; u32 param, val; int ret; @@ -82,7 +83,8 @@ int cxgb4_thermal_init(struct adapter *adap) ch_thermal->trip_type = THERMAL_TRIP_CRITICAL; } - ch_thermal->tzdev = thermal_zone_device_register("cxgb4", num_trip, + snprintf(ch_tz_name, sizeof(ch_tz_name), "cxgb4_%s", adap->name); + ch_thermal->tzdev = thermal_zone_device_register(ch_tz_name, num_trip, 0, adap, &cxgb4_thermal_ops, NULL, 0, 0); @@ -105,7 +107,9 @@ int cxgb4_thermal_init(struct adapter *adap) int cxgb4_thermal_remove(struct adapter *adap) { - if (adap->ch_thermal.tzdev) + if (adap->ch_thermal.tzdev) { thermal_zone_device_unregister(adap->ch_thermal.tzdev); + adap->ch_thermal.tzdev = NULL; + } return 0; } diff --git a/drivers/net/ethernet/chelsio/cxgb4/l2t.c b/drivers/net/ethernet/chelsio/cxgb4/l2t.c index c4864125fe026c..a10a6862a9a465 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/l2t.c +++ b/drivers/net/ethernet/chelsio/cxgb4/l2t.c @@ -231,7 +231,7 @@ again: if (e->state == L2T_STATE_STALE) e->state = L2T_STATE_VALID; spin_unlock_bh(&e->lock); - /* fall through */ + fallthrough; case L2T_STATE_VALID: /* fast-path, send the packet on */ return t4_ofld_send(adap, skb); case L2T_STATE_RESOLVING: diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c index 8a56491bb03414..fa3367966f4b5b 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c +++ b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c @@ -7656,13 +7656,13 @@ int t4_alloc_vi(struct adapter *adap, unsigned int mbox, unsigned int port, switch (nmac) { case 5: memcpy(mac + 24, c.nmac3, sizeof(c.nmac3)); - /* Fall through */ + fallthrough; case 4: memcpy(mac + 18, c.nmac2, sizeof(c.nmac2)); - /* Fall through */ + fallthrough; case 3: memcpy(mac + 12, c.nmac1, sizeof(c.nmac1)); - /* Fall through */ + fallthrough; case 2: memcpy(mac + 6, c.nmac0, sizeof(c.nmac0)); } diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c b/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c index dbe8ee7e0e212f..e2fe78e2e24241 100644 --- a/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c +++ b/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c @@ -517,7 +517,7 @@ static int fwevtq_handler(struct sge_rspq *rspq, const __be64 *rsp, } cpl = (void *)p; } - /* Fall through */ + fallthrough; case CPL_SGE_EGR_UPDATE: { /* diff --git a/drivers/net/ethernet/cisco/enic/enic_main.c b/drivers/net/ethernet/cisco/enic/enic_main.c index 6bc7e7ba38c3df..552d89fdf54a52 100644 --- a/drivers/net/ethernet/cisco/enic/enic_main.c +++ b/drivers/net/ethernet/cisco/enic/enic_main.c @@ -272,7 +272,7 @@ static netdev_features_t enic_features_check(struct sk_buff *skb, case ntohs(ETH_P_IPV6): if (!(enic->vxlan.flags & ENIC_VXLAN_INNER_IPV6)) goto out; - /* Fall through */ + fallthrough; case ntohs(ETH_P_IP): break; default: diff --git a/drivers/net/ethernet/cortina/gemini.c b/drivers/net/ethernet/cortina/gemini.c index 62e271aea4a500..ffec0f3dd9578e 100644 --- a/drivers/net/ethernet/cortina/gemini.c +++ b/drivers/net/ethernet/cortina/gemini.c @@ -2446,8 +2446,8 @@ static int gemini_ethernet_port_probe(struct platform_device *pdev) port->reset = devm_reset_control_get_exclusive(dev, NULL); if (IS_ERR(port->reset)) { dev_err(dev, "no reset\n"); - clk_disable_unprepare(port->pclk); - return PTR_ERR(port->reset); + ret = PTR_ERR(port->reset); + goto unprepare; } reset_control_reset(port->reset); usleep_range(100, 500); @@ -2502,25 +2502,25 @@ static int gemini_ethernet_port_probe(struct platform_device *pdev) IRQF_SHARED, port_names[port->id], port); - if (ret) { - clk_disable_unprepare(port->pclk); - return ret; - } + if (ret) + goto unprepare; ret = register_netdev(netdev); - if (!ret) { + if (ret) + goto unprepare; + + netdev_info(netdev, + "irq %d, DMA @ 0x%pap, GMAC @ 0x%pap\n", + port->irq, &dmares->start, + &gmacres->start); + ret = gmac_setup_phy(netdev); + if (ret) netdev_info(netdev, - "irq %d, DMA @ 0x%pap, GMAC @ 0x%pap\n", - port->irq, &dmares->start, - &gmacres->start); - ret = gmac_setup_phy(netdev); - if (ret) - netdev_info(netdev, - "PHY init failed, deferring to ifup time\n"); - return 0; - } + "PHY init failed, deferring to ifup time\n"); + return 0; - port->netdev = NULL; +unprepare: + clk_disable_unprepare(port->pclk); return ret; } diff --git a/drivers/net/ethernet/davicom/dm9000.c b/drivers/net/ethernet/davicom/dm9000.c index 7f770513826207..5c6c8c5ec7471a 100644 --- a/drivers/net/ethernet/davicom/dm9000.c +++ b/drivers/net/ethernet/davicom/dm9000.c @@ -385,7 +385,7 @@ static void dm9000_set_io(struct board_info *db, int byte_width) case 3: dev_dbg(db->dev, ": 3 byte IO, falling back to 16bit\n"); - /* fall through */ + fallthrough; case 2: db->dumpblk = dm9000_dumpblk_16bit; db->outblk = dm9000_outblk_16bit; diff --git a/drivers/net/ethernet/dec/tulip/de2104x.c b/drivers/net/ethernet/dec/tulip/de2104x.c index cb116b530f5e66..2610efe4f8730c 100644 --- a/drivers/net/ethernet/dec/tulip/de2104x.c +++ b/drivers/net/ethernet/dec/tulip/de2104x.c @@ -85,7 +85,7 @@ MODULE_PARM_DESC (rx_copybreak, "de2104x Breakpoint at which Rx packets are copi #define DSL CONFIG_DE2104X_DSL #endif -#define DE_RX_RING_SIZE 64 +#define DE_RX_RING_SIZE 128 #define DE_TX_RING_SIZE 64 #define DE_RING_BYTES \ ((sizeof(struct de_desc) * DE_RX_RING_SIZE) + \ diff --git a/drivers/net/ethernet/dec/tulip/de4x5.c b/drivers/net/ethernet/dec/tulip/de4x5.c index 0ccd9994ad4574..f9dd1aa9f2da39 100644 --- a/drivers/net/ethernet/dec/tulip/de4x5.c +++ b/drivers/net/ethernet/dec/tulip/de4x5.c @@ -3203,7 +3203,7 @@ srom_map_media(struct net_device *dev) case SROM_10BASETF: if (!lp->params.fdx) return -1; lp->fdx = true; - /* fall through */ + fallthrough; case SROM_10BASET: if (lp->params.fdx && !lp->fdx) return -1; @@ -3225,7 +3225,7 @@ srom_map_media(struct net_device *dev) case SROM_100BASETF: if (!lp->params.fdx) return -1; lp->fdx = true; - /* fall through */ + fallthrough; case SROM_100BASET: if (lp->params.fdx && !lp->fdx) return -1; @@ -3239,7 +3239,7 @@ srom_map_media(struct net_device *dev) case SROM_100BASEFF: if (!lp->params.fdx) return -1; lp->fdx = true; - /* fall through */ + fallthrough; case SROM_100BASEF: if (lp->params.fdx && !lp->fdx) return -1; diff --git a/drivers/net/ethernet/dec/tulip/tulip_core.c b/drivers/net/ethernet/dec/tulip/tulip_core.c index 9db23527275a37..3a8659c5da0643 100644 --- a/drivers/net/ethernet/dec/tulip/tulip_core.c +++ b/drivers/net/ethernet/dec/tulip/tulip_core.c @@ -911,7 +911,7 @@ static int private_ioctl (struct net_device *dev, struct ifreq *rq, int cmd) data->phy_id = 1; else return -ENODEV; - /* Fall through */ + fallthrough; case SIOCGMIIREG: /* Read MII PHY register. */ if (data->phy_id == 32 && (tp->flags & HAS_NWAY)) { diff --git a/drivers/net/ethernet/dec/tulip/winbond-840.c b/drivers/net/ethernet/dec/tulip/winbond-840.c index 5dcc66f601444a..5a43be327f588a 100644 --- a/drivers/net/ethernet/dec/tulip/winbond-840.c +++ b/drivers/net/ethernet/dec/tulip/winbond-840.c @@ -1443,7 +1443,7 @@ static int netdev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) switch(cmd) { case SIOCGMIIPHY: /* Get address of MII PHY in use. */ data->phy_id = ((struct netdev_private *)netdev_priv(dev))->phys[0] & 0x1f; - /* Fall Through */ + fallthrough; case SIOCGMIIREG: /* Read MII PHY register. */ spin_lock_irq(&np->lock); diff --git a/drivers/net/ethernet/emulex/benet/be_ethtool.c b/drivers/net/ethernet/emulex/benet/be_ethtool.c index d6ed1d9437625b..99cc1c46fb301a 100644 --- a/drivers/net/ethernet/emulex/benet/be_ethtool.c +++ b/drivers/net/ethernet/emulex/benet/be_ethtool.c @@ -571,7 +571,7 @@ static u32 convert_to_et_setting(struct be_adapter *adapter, u32 if_speeds) break; } } - /* fall through */ + fallthrough; case PHY_TYPE_SFP_PLUS_10GB: case PHY_TYPE_XFP_10GB: case PHY_TYPE_SFP_1GB: diff --git a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c index 43570f4911ea12..fdff3b4723badf 100644 --- a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c +++ b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c @@ -945,7 +945,7 @@ static void dpaa_fq_setup(struct dpaa_priv *priv, break; case FQ_TYPE_TX_CONF_MQ: priv->conf_fqs[conf_cnt++] = &fq->fq_base; - /* fall through */ + fallthrough; case FQ_TYPE_TX_CONFIRM: dpaa_setup_ingress(priv, fq, &fq_cbs->tx_defq); break; diff --git a/drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c b/drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c index 9db2a02fb53178..1268996b703015 100644 --- a/drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c +++ b/drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c @@ -375,7 +375,7 @@ static int dpaa_get_hash_opts(struct net_device *dev, case UDP_V6_FLOW: if (priv->keygen_in_use) cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; - /* Fall through */ + fallthrough; case IPV4_FLOW: case IPV6_FLOW: case SCTP_V4_FLOW: diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c index 457106e761be07..cf5383bb83319a 100644 --- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c +++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c @@ -376,10 +376,10 @@ static u32 run_xdp(struct dpaa2_eth_priv *priv, break; default: bpf_warn_invalid_xdp_action(xdp_act); - /* fall through */ + fallthrough; case XDP_ABORTED: trace_xdp_exception(priv->net_dev, xdp_prog, xdp_act); - /* fall through */ + fallthrough; case XDP_DROP: xdp_release_buf(priv, ch, addr); ch->stats.xdp_drop++; diff --git a/drivers/net/ethernet/freescale/dpaa2/dpmac-cmd.h b/drivers/net/ethernet/freescale/dpaa2/dpmac-cmd.h index 3ea51dd9374b13..a24b20f769388e 100644 --- a/drivers/net/ethernet/freescale/dpaa2/dpmac-cmd.h +++ b/drivers/net/ethernet/freescale/dpaa2/dpmac-cmd.h @@ -66,8 +66,8 @@ struct dpmac_cmd_get_counter { }; struct dpmac_rsp_get_counter { - u64 pad; - u64 counter; + __le64 pad; + __le64 counter; }; #endif /* _FSL_DPMAC_CMD_H */ diff --git a/drivers/net/ethernet/freescale/dpaa2/dpni-cmd.h b/drivers/net/ethernet/freescale/dpaa2/dpni-cmd.h index 593e3812af93ea..3c06f5fb57598b 100644 --- a/drivers/net/ethernet/freescale/dpaa2/dpni-cmd.h +++ b/drivers/net/ethernet/freescale/dpaa2/dpni-cmd.h @@ -11,9 +11,11 @@ #define DPNI_VER_MAJOR 7 #define DPNI_VER_MINOR 0 #define DPNI_CMD_BASE_VERSION 1 +#define DPNI_CMD_2ND_VERSION 2 #define DPNI_CMD_ID_OFFSET 4 #define DPNI_CMD(id) (((id) << DPNI_CMD_ID_OFFSET) | DPNI_CMD_BASE_VERSION) +#define DPNI_CMD_V2(id) (((id) << DPNI_CMD_ID_OFFSET) | DPNI_CMD_2ND_VERSION) #define DPNI_CMDID_OPEN DPNI_CMD(0x801) #define DPNI_CMDID_CLOSE DPNI_CMD(0x800) @@ -45,7 +47,7 @@ #define DPNI_CMDID_SET_MAX_FRAME_LENGTH DPNI_CMD(0x216) #define DPNI_CMDID_GET_MAX_FRAME_LENGTH DPNI_CMD(0x217) #define DPNI_CMDID_SET_LINK_CFG DPNI_CMD(0x21A) -#define DPNI_CMDID_SET_TX_SHAPING DPNI_CMD(0x21B) +#define DPNI_CMDID_SET_TX_SHAPING DPNI_CMD_V2(0x21B) #define DPNI_CMDID_SET_MCAST_PROMISC DPNI_CMD(0x220) #define DPNI_CMDID_GET_MCAST_PROMISC DPNI_CMD(0x221) diff --git a/drivers/net/ethernet/freescale/enetc/enetc_pf.c b/drivers/net/ethernet/freescale/enetc/enetc_pf.c index 26d5981b798f35..177334f0adb11d 100644 --- a/drivers/net/ethernet/freescale/enetc/enetc_pf.c +++ b/drivers/net/ethernet/freescale/enetc/enetc_pf.c @@ -1053,7 +1053,6 @@ static int enetc_pf_probe(struct pci_dev *pdev, err_reg_netdev: enetc_teardown_serdes(priv); - enetc_mdio_remove(pf); enetc_free_msix(priv); err_alloc_msix: enetc_free_si_resources(priv); @@ -1061,6 +1060,7 @@ err_alloc_si_res: si->ndev = NULL; free_netdev(ndev); err_alloc_netdev: + enetc_mdio_remove(pf); enetc_of_put_phy(pf); err_map_pf_space: enetc_pci_remove(pdev); diff --git a/drivers/net/ethernet/freescale/fman/fman_memac.c b/drivers/net/ethernet/freescale/fman/fman_memac.c index 645764abdaae59..bb9887f988411d 100644 --- a/drivers/net/ethernet/freescale/fman/fman_memac.c +++ b/drivers/net/ethernet/freescale/fman/fman_memac.c @@ -528,7 +528,7 @@ static void setup_sgmii_internal_phy(struct fman_mac *memac, case 100: tmp_reg16 |= IF_MODE_SGMII_SPEED_100M; break; - case 1000: /* fallthrough */ + case 1000: default: tmp_reg16 |= IF_MODE_SGMII_SPEED_1G; break; diff --git a/drivers/net/ethernet/freescale/fman/fman_port.c b/drivers/net/ethernet/freescale/fman/fman_port.c index c27df153f8959a..624b2eb6f01dec 100644 --- a/drivers/net/ethernet/freescale/fman/fman_port.c +++ b/drivers/net/ethernet/freescale/fman/fman_port.c @@ -1344,10 +1344,10 @@ int fman_port_config(struct fman_port *port, struct fman_port_params *params) switch (port->port_type) { case FMAN_PORT_TYPE_RX: set_rx_dflt_cfg(port, params); - /* fall through */ + fallthrough; case FMAN_PORT_TYPE_TX: set_tx_dflt_cfg(port, params, &port->dts_params); - /* fall through */ + fallthrough; default: set_dflt_cfg(port, params); } diff --git a/drivers/net/ethernet/freescale/ucc_geth.c b/drivers/net/ethernet/freescale/ucc_geth.c index db791f60b88462..714b501be7d09f 100644 --- a/drivers/net/ethernet/freescale/ucc_geth.c +++ b/drivers/net/ethernet/freescale/ucc_geth.c @@ -1348,7 +1348,7 @@ static int adjust_enet_interface(struct ucc_geth_private *ugeth) switch (ugeth->max_speed) { case SPEED_10: upsmr |= UCC_GETH_UPSMR_R10M; - /* FALLTHROUGH */ + fallthrough; case SPEED_100: if (ugeth->phy_interface != PHY_INTERFACE_MODE_RTBI) upsmr |= UCC_GETH_UPSMR_RMM; diff --git a/drivers/net/ethernet/freescale/xgmac_mdio.c b/drivers/net/ethernet/freescale/xgmac_mdio.c index 98be51d8b08cc3..bfa2826c55454d 100644 --- a/drivers/net/ethernet/freescale/xgmac_mdio.c +++ b/drivers/net/ethernet/freescale/xgmac_mdio.c @@ -229,7 +229,7 @@ static int xgmac_mdio_read(struct mii_bus *bus, int phy_id, int regnum) /* Return all Fs if nothing was there */ if ((xgmac_read32(®s->mdio_stat, endian) & MDIO_STAT_RD_ER) && !priv->has_a011043) { - dev_err(&bus->dev, + dev_dbg(&bus->dev, "Error while reading PHY%d reg at %d.%hhu\n", phy_id, dev_addr, regnum); return 0xffff; diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c index ed3829ae4ef1b5..a769273b36f709 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c @@ -334,7 +334,7 @@ static void hns_dsaf_xge_srst_by_port_acpi(struct dsaf_device *dsaf_dev, * bit6-11 for ppe0-5 * bit12-17 for roce0-5 * bit18-19 for com/dfx - * @enable: false - request reset , true - drop reset + * @dereset: false - request reset , true - drop reset */ static void hns_dsaf_srst_chns(struct dsaf_device *dsaf_dev, u32 msk, bool dereset) @@ -357,7 +357,7 @@ hns_dsaf_srst_chns(struct dsaf_device *dsaf_dev, u32 msk, bool dereset) * bit6-11 for ppe0-5 * bit12-17 for roce0-5 * bit18-19 for com/dfx - * @enable: false - request reset , true - drop reset + * @dereset: false - request reset , true - drop reset */ static void hns_dsaf_srst_chns_acpi(struct dsaf_device *dsaf_dev, u32 msk, bool dereset) diff --git a/drivers/net/ethernet/hisilicon/hns/hns_enet.c b/drivers/net/ethernet/hisilicon/hns/hns_enet.c index 23f278e46975bf..22522f8a529998 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_enet.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_enet.c @@ -2282,8 +2282,10 @@ static int hns_nic_dev_probe(struct platform_device *pdev) priv->enet_ver = AE_VERSION_1; else if (acpi_dev_found(hns_enet_acpi_match[1].id)) priv->enet_ver = AE_VERSION_2; - else - return -ENXIO; + else { + ret = -ENXIO; + goto out_read_prop_fail; + } /* try to find port-idx-in-ae first */ ret = acpi_node_get_property_reference(dev->fwnode, @@ -2299,7 +2301,8 @@ static int hns_nic_dev_probe(struct platform_device *pdev) priv->fwnode = args.fwnode; } else { dev_err(dev, "cannot read cfg data from OF or acpi\n"); - return -ENXIO; + ret = -ENXIO; + goto out_read_prop_fail; } ret = device_property_read_u32(dev, "port-idx-in-ae", &port_id); diff --git a/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c b/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c index 49624acf24739a..14e60c9e491d50 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c @@ -305,7 +305,7 @@ static int __lb_setup(struct net_device *ndev, break; case MAC_LOOP_PHY_NONE: ret = hns_nic_config_phy_loopback(phy_dev, 0x0); - /* fall through */ + fallthrough; case MAC_LOOP_NONE: if (!ret && h->dev->ops->set_loopback) { if (priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII) @@ -463,8 +463,8 @@ static int __lb_clean_rings(struct hns_nic_priv *priv, /** * nic_run_loopback_test - run loopback test - * @nic_dev: net device - * @loopback_type: loopback type + * @ndev: net device + * @loop_mode: loopback mode */ static int __lb_run_test(struct net_device *ndev, enum hnae_loop loop_mode) @@ -572,7 +572,7 @@ static int __lb_down(struct net_device *ndev, enum hnae_loop loop) /** * hns_nic_self_test - self test - * @dev: net device + * @ndev: net device * @eth_test: test cmd * @data: test result */ @@ -633,7 +633,7 @@ static void hns_nic_self_test(struct net_device *ndev, /** * hns_nic_get_drvinfo - get net driver info - * @dev: net device + * @net_dev: net device * @drvinfo: driver info */ static void hns_nic_get_drvinfo(struct net_device *net_dev, @@ -658,7 +658,7 @@ static void hns_nic_get_drvinfo(struct net_device *net_dev, /** * hns_get_ringparam - get ring parameter - * @dev: net device + * @net_dev: net device * @param: ethtool parameter */ static void hns_get_ringparam(struct net_device *net_dev, @@ -683,7 +683,7 @@ static void hns_get_ringparam(struct net_device *net_dev, /** * hns_get_pauseparam - get pause parameter - * @dev: net device + * @net_dev: net device * @param: pause parameter */ static void hns_get_pauseparam(struct net_device *net_dev, @@ -701,7 +701,7 @@ static void hns_get_pauseparam(struct net_device *net_dev, /** * hns_set_pauseparam - set pause parameter - * @dev: net device + * @net_dev: net device * @param: pause parameter * * Return 0 on success, negative on failure @@ -725,7 +725,7 @@ static int hns_set_pauseparam(struct net_device *net_dev, /** * hns_get_coalesce - get coalesce info. - * @dev: net device + * @net_dev: net device * @ec: coalesce info. * * Return 0 on success, negative on failure. @@ -769,7 +769,7 @@ static int hns_get_coalesce(struct net_device *net_dev, /** * hns_set_coalesce - set coalesce info. - * @dev: net device + * @net_dev: net device * @ec: coalesce info. * * Return 0 on success, negative on failure. @@ -808,7 +808,7 @@ static int hns_set_coalesce(struct net_device *net_dev, /** * hns_get_channels - get channel info. - * @dev: net device + * @net_dev: net device * @ch: channel info. */ static void @@ -825,7 +825,7 @@ hns_get_channels(struct net_device *net_dev, struct ethtool_channels *ch) /** * get_ethtool_stats - get detail statistics. - * @dev: net device + * @netdev: net device * @stats: statistics info. * @data: statistics data. */ @@ -883,8 +883,8 @@ static void hns_get_ethtool_stats(struct net_device *netdev, /** * get_strings: Return a set of strings that describe the requested objects - * @dev: net device - * @stats: string set ID. + * @netdev: net device + * @stringset: string set ID. * @data: objects data. */ static void hns_get_strings(struct net_device *netdev, u32 stringset, u8 *data) @@ -972,7 +972,7 @@ static void hns_get_strings(struct net_device *netdev, u32 stringset, u8 *data) /** * nic_get_sset_count - get string set count witch returned by nic_get_strings. - * @dev: net device + * @netdev: net device * @stringset: string set index, 0: self test string; 1: statistics string. * * Return string set count. @@ -1006,7 +1006,7 @@ static int hns_get_sset_count(struct net_device *netdev, int stringset) /** * hns_phy_led_set - set phy LED status. - * @dev: net device + * @netdev: net device * @value: LED state. * * Return 0 on success, negative on failure. @@ -1028,7 +1028,7 @@ static int hns_phy_led_set(struct net_device *netdev, int value) /** * nic_set_phys_id - set phy identify LED. - * @dev: net device + * @netdev: net device * @state: LED state. * * Return 0 on success, negative on failure. @@ -1104,9 +1104,9 @@ hns_set_phys_id(struct net_device *netdev, enum ethtool_phys_id_state state) /** * hns_get_regs - get net device register - * @dev: net device + * @net_dev: net device * @cmd: ethtool cmd - * @date: register data + * @data: register data */ static void hns_get_regs(struct net_device *net_dev, struct ethtool_regs *cmd, void *data) @@ -1126,7 +1126,7 @@ static void hns_get_regs(struct net_device *net_dev, struct ethtool_regs *cmd, /** * nic_get_regs_len - get total register len. - * @dev: net device + * @net_dev: net device * * Return total register len. */ @@ -1151,7 +1151,7 @@ static int hns_get_regs_len(struct net_device *net_dev) /** * hns_nic_nway_reset - nway reset - * @dev: net device + * @netdev: net device * * Return 0 on success, negative on failure */ diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c index 87776ce3539b48..a4f1d515e5e09b 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c @@ -21,6 +21,7 @@ #include <net/pkt_cls.h> #include <net/tcp.h> #include <net/vxlan.h> +#include <net/geneve.h> #include "hnae3.h" #include "hns3_enet.h" @@ -780,7 +781,7 @@ static int hns3_get_l4_protocol(struct sk_buff *skb, u8 *ol4_proto, * and it is udp packet, which has a dest port as the IANA assigned. * the hardware is expected to do the checksum offload, but the * hardware will not do the checksum offload when udp dest port is - * 4789. + * 4789 or 6081. */ static bool hns3_tunnel_csum_bug(struct sk_buff *skb) { @@ -789,7 +790,8 @@ static bool hns3_tunnel_csum_bug(struct sk_buff *skb) l4.hdr = skb_transport_header(skb); if (!(!skb->encapsulation && - l4.udp->dest == htons(IANA_VXLAN_UDP_PORT))) + (l4.udp->dest == htons(IANA_VXLAN_UDP_PORT) || + l4.udp->dest == htons(GENEVE_UDP_PORT)))) return false; skb_checksum_help(skb); @@ -2746,7 +2748,7 @@ static void hns3_rx_checksum(struct hns3_enet_ring *ring, struct sk_buff *skb, case HNS3_OL4_TYPE_MAC_IN_UDP: case HNS3_OL4_TYPE_NVGRE: skb->csum_level = 1; - /* fall through */ + fallthrough; case HNS3_OL4_TYPE_NO_TUN: l3_type = hnae3_get_field(l234info, HNS3_RXD_L3ID_M, HNS3_RXD_L3ID_S); diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c index 36575e72a915e8..d553ed7ee64c0a 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c @@ -3061,7 +3061,7 @@ static irqreturn_t hclge_misc_irq_handle(int irq, void *data) * by first decoding the types of errors. */ set_bit(HNAE3_UNKNOWN_RESET, &hdev->reset_request); - /* fall through */ + fallthrough; case HCLGE_VECTOR0_EVENT_RST: hclge_reset_task_schedule(hdev); break; @@ -3686,12 +3686,10 @@ static int hclge_reset_prepare_up(struct hclge_dev *hdev) switch (hdev->reset_type) { case HNAE3_FUNC_RESET: - /* fall through */ case HNAE3_FLR_RESET: ret = hclge_set_all_vf_rst(hdev, false); break; case HNAE3_GLOBAL_RESET: - /* fall through */ case HNAE3_IMP_RESET: ret = hclge_set_rst_done(hdev); break; diff --git a/drivers/net/ethernet/huawei/hinic/Kconfig b/drivers/net/ethernet/huawei/hinic/Kconfig index 936e2dd3bb1358..b47bd5440c5f01 100644 --- a/drivers/net/ethernet/huawei/hinic/Kconfig +++ b/drivers/net/ethernet/huawei/hinic/Kconfig @@ -6,6 +6,7 @@ config HINIC tristate "Huawei Intelligent PCIE Network Interface Card" depends on (PCI_MSI && (X86 || ARM64)) + select NET_DEVLINK help This driver supports HiNIC PCIE Ethernet cards. To compile this driver as part of the kernel, choose Y here. diff --git a/drivers/net/ethernet/huawei/hinic/hinic_ethtool.c b/drivers/net/ethernet/huawei/hinic/hinic_ethtool.c index 6bb65ade1d773c..c340d9acba803f 100644 --- a/drivers/net/ethernet/huawei/hinic/hinic_ethtool.c +++ b/drivers/net/ethernet/huawei/hinic/hinic_ethtool.c @@ -1654,6 +1654,7 @@ static void hinic_diag_test(struct net_device *netdev, } netif_carrier_off(netdev); + netif_tx_disable(netdev); err = do_lp_test(nic_dev, eth_test->flags, LP_DEFAULT_TIME, &test_index); @@ -1662,9 +1663,12 @@ static void hinic_diag_test(struct net_device *netdev, data[test_index] = 1; } + netif_tx_wake_all_queues(netdev); + err = hinic_port_link_state(nic_dev, &link_state); if (!err && link_state == HINIC_LINK_STATE_UP) netif_carrier_on(netdev); + } static int hinic_set_phys_id(struct net_device *netdev, diff --git a/drivers/net/ethernet/huawei/hinic/hinic_hw_mgmt.c b/drivers/net/ethernet/huawei/hinic/hinic_hw_mgmt.c index c6ce5966284cc2..2ebae6cb5db5f5 100644 --- a/drivers/net/ethernet/huawei/hinic/hinic_hw_mgmt.c +++ b/drivers/net/ethernet/huawei/hinic/hinic_hw_mgmt.c @@ -47,8 +47,12 @@ #define MGMT_MSG_TIMEOUT 5000 +#define SET_FUNC_PORT_MBOX_TIMEOUT 30000 + #define SET_FUNC_PORT_MGMT_TIMEOUT 25000 +#define UPDATE_FW_MGMT_TIMEOUT 20000 + #define mgmt_to_pfhwdev(pf_mgmt) \ container_of(pf_mgmt, struct hinic_pfhwdev, pf_to_mgmt) @@ -361,16 +365,22 @@ int hinic_msg_to_mgmt(struct hinic_pf_to_mgmt *pf_to_mgmt, return -EINVAL; } - if (cmd == HINIC_PORT_CMD_SET_FUNC_STATE) - timeout = SET_FUNC_PORT_MGMT_TIMEOUT; + if (HINIC_IS_VF(hwif)) { + if (cmd == HINIC_PORT_CMD_SET_FUNC_STATE) + timeout = SET_FUNC_PORT_MBOX_TIMEOUT; - if (HINIC_IS_VF(hwif)) return hinic_mbox_to_pf(pf_to_mgmt->hwdev, mod, cmd, buf_in, - in_size, buf_out, out_size, 0); - else + in_size, buf_out, out_size, timeout); + } else { + if (cmd == HINIC_PORT_CMD_SET_FUNC_STATE) + timeout = SET_FUNC_PORT_MGMT_TIMEOUT; + else if (cmd == HINIC_PORT_CMD_UPDATE_FW) + timeout = UPDATE_FW_MGMT_TIMEOUT; + return msg_to_mgmt_sync(pf_to_mgmt, mod, cmd, buf_in, in_size, buf_out, out_size, MGMT_DIRECT_SEND, MSG_NOT_RESP, timeout); + } } static void recv_mgmt_msg_work_handler(struct work_struct *work) diff --git a/drivers/net/ethernet/huawei/hinic/hinic_main.c b/drivers/net/ethernet/huawei/hinic/hinic_main.c index 501056fd32eee6..28581bd8ce077b 100644 --- a/drivers/net/ethernet/huawei/hinic/hinic_main.c +++ b/drivers/net/ethernet/huawei/hinic/hinic_main.c @@ -174,6 +174,24 @@ err_init_txq: return err; } +static void enable_txqs_napi(struct hinic_dev *nic_dev) +{ + int num_txqs = hinic_hwdev_num_qps(nic_dev->hwdev); + int i; + + for (i = 0; i < num_txqs; i++) + napi_enable(&nic_dev->txqs[i].napi); +} + +static void disable_txqs_napi(struct hinic_dev *nic_dev) +{ + int num_txqs = hinic_hwdev_num_qps(nic_dev->hwdev); + int i; + + for (i = 0; i < num_txqs; i++) + napi_disable(&nic_dev->txqs[i].napi); +} + /** * free_txqs - Free the Logical Tx Queues of specific NIC device * @nic_dev: the specific NIC device @@ -400,6 +418,8 @@ int hinic_open(struct net_device *netdev) goto err_create_txqs; } + enable_txqs_napi(nic_dev); + err = create_rxqs(nic_dev); if (err) { netif_err(nic_dev, drv, netdev, @@ -484,6 +504,7 @@ err_port_state: } err_create_rxqs: + disable_txqs_napi(nic_dev); free_txqs(nic_dev); err_create_txqs: @@ -497,6 +518,9 @@ int hinic_close(struct net_device *netdev) struct hinic_dev *nic_dev = netdev_priv(netdev); unsigned int flags; + /* Disable txq napi firstly to aviod rewaking txq in free_tx_poll */ + disable_txqs_napi(nic_dev); + down(&nic_dev->mgmt_lock); flags = nic_dev->flags; diff --git a/drivers/net/ethernet/huawei/hinic/hinic_port.c b/drivers/net/ethernet/huawei/hinic/hinic_port.c index 02cd635d6914db..eb97f2d6b1adae 100644 --- a/drivers/net/ethernet/huawei/hinic/hinic_port.c +++ b/drivers/net/ethernet/huawei/hinic/hinic_port.c @@ -58,9 +58,9 @@ static int change_mac(struct hinic_dev *nic_dev, const u8 *addr, sizeof(port_mac_cmd), &port_mac_cmd, &out_size); if (err || out_size != sizeof(port_mac_cmd) || - (port_mac_cmd.status && - port_mac_cmd.status != HINIC_PF_SET_VF_ALREADY && - port_mac_cmd.status != HINIC_MGMT_STATUS_EXIST)) { + (port_mac_cmd.status && + (port_mac_cmd.status != HINIC_PF_SET_VF_ALREADY || !HINIC_IS_VF(hwif)) && + port_mac_cmd.status != HINIC_MGMT_STATUS_EXIST)) { dev_err(&pdev->dev, "Failed to change MAC, err: %d, status: 0x%x, out size: 0x%x\n", err, port_mac_cmd.status, out_size); return -EFAULT; diff --git a/drivers/net/ethernet/huawei/hinic/hinic_rx.c b/drivers/net/ethernet/huawei/hinic/hinic_rx.c index 5bee951fe9d422..d0072f5e7efc63 100644 --- a/drivers/net/ethernet/huawei/hinic/hinic_rx.c +++ b/drivers/net/ethernet/huawei/hinic/hinic_rx.c @@ -543,18 +543,25 @@ static int rx_request_irq(struct hinic_rxq *rxq) if (err) { netif_err(nic_dev, drv, rxq->netdev, "Failed to set RX interrupt coalescing attribute\n"); - rx_del_napi(rxq); - return err; + goto err_req_irq; } err = request_irq(rq->irq, rx_irq, 0, rxq->irq_name, rxq); - if (err) { - rx_del_napi(rxq); - return err; - } + if (err) + goto err_req_irq; cpumask_set_cpu(qp->q_id % num_online_cpus(), &rq->affinity_mask); - return irq_set_affinity_hint(rq->irq, &rq->affinity_mask); + err = irq_set_affinity_hint(rq->irq, &rq->affinity_mask); + if (err) + goto err_irq_affinity; + + return 0; + +err_irq_affinity: + free_irq(rq->irq, rxq); +err_req_irq: + rx_del_napi(rxq); + return err; } static void rx_free_irq(struct hinic_rxq *rxq) diff --git a/drivers/net/ethernet/huawei/hinic/hinic_sriov.c b/drivers/net/ethernet/huawei/hinic/hinic_sriov.c index 4d63680f214387..f8a26459ff653c 100644 --- a/drivers/net/ethernet/huawei/hinic/hinic_sriov.c +++ b/drivers/net/ethernet/huawei/hinic/hinic_sriov.c @@ -38,8 +38,7 @@ static int hinic_set_mac(struct hinic_hwdev *hwdev, const u8 *mac_addr, err = hinic_port_msg_cmd(hwdev, HINIC_PORT_CMD_SET_MAC, &mac_info, sizeof(mac_info), &mac_info, &out_size); if (err || out_size != sizeof(mac_info) || - (mac_info.status && mac_info.status != HINIC_PF_SET_VF_ALREADY && - mac_info.status != HINIC_MGMT_STATUS_EXIST)) { + (mac_info.status && mac_info.status != HINIC_MGMT_STATUS_EXIST)) { dev_err(&hwdev->func_to_io.hwif->pdev->dev, "Failed to set MAC, err: %d, status: 0x%x, out size: 0x%x\n", err, mac_info.status, out_size); return -EIO; @@ -503,8 +502,7 @@ struct hinic_sriov_info *hinic_get_sriov_info_by_pcidev(struct pci_dev *pdev) static int hinic_check_mac_info(u8 status, u16 vlan_id) { - if ((status && status != HINIC_MGMT_STATUS_EXIST && - status != HINIC_PF_SET_VF_ALREADY) || + if ((status && status != HINIC_MGMT_STATUS_EXIST) || (vlan_id & CHECK_IPSU_15BIT && status == HINIC_MGMT_STATUS_EXIST)) return -EINVAL; @@ -546,12 +544,6 @@ static int hinic_update_mac(struct hinic_hwdev *hwdev, u8 *old_mac, return -EINVAL; } - if (mac_info.status == HINIC_PF_SET_VF_ALREADY) { - dev_warn(&hwdev->hwif->pdev->dev, - "PF has already set VF MAC. Ignore update operation\n"); - return HINIC_PF_SET_VF_ALREADY; - } - if (mac_info.status == HINIC_MGMT_STATUS_EXIST) dev_warn(&hwdev->hwif->pdev->dev, "MAC is repeated. Ignore update operation\n"); diff --git a/drivers/net/ethernet/huawei/hinic/hinic_tx.c b/drivers/net/ethernet/huawei/hinic/hinic_tx.c index a97498ee69142c..c1f81e9144a15f 100644 --- a/drivers/net/ethernet/huawei/hinic/hinic_tx.c +++ b/drivers/net/ethernet/huawei/hinic/hinic_tx.c @@ -717,8 +717,8 @@ static int free_tx_poll(struct napi_struct *napi, int budget) netdev_txq = netdev_get_tx_queue(txq->netdev, qp->q_id); __netif_tx_lock(netdev_txq, smp_processor_id()); - - netif_wake_subqueue(nic_dev->netdev, qp->q_id); + if (!netif_testing(nic_dev->netdev)) + netif_wake_subqueue(nic_dev->netdev, qp->q_id); __netif_tx_unlock(netdev_txq); @@ -745,18 +745,6 @@ static int free_tx_poll(struct napi_struct *napi, int budget) return budget; } -static void tx_napi_add(struct hinic_txq *txq, int weight) -{ - netif_napi_add(txq->netdev, &txq->napi, free_tx_poll, weight); - napi_enable(&txq->napi); -} - -static void tx_napi_del(struct hinic_txq *txq) -{ - napi_disable(&txq->napi); - netif_napi_del(&txq->napi); -} - static irqreturn_t tx_irq(int irq, void *data) { struct hinic_txq *txq = data; @@ -790,7 +778,7 @@ static int tx_request_irq(struct hinic_txq *txq) qp = container_of(sq, struct hinic_qp, sq); - tx_napi_add(txq, nic_dev->tx_weight); + netif_napi_add(txq->netdev, &txq->napi, free_tx_poll, nic_dev->tx_weight); hinic_hwdev_msix_set(nic_dev->hwdev, sq->msix_entry, TX_IRQ_NO_PENDING, TX_IRQ_NO_COALESC, @@ -807,14 +795,14 @@ static int tx_request_irq(struct hinic_txq *txq) if (err) { netif_err(nic_dev, drv, txq->netdev, "Failed to set TX interrupt coalescing attribute\n"); - tx_napi_del(txq); + netif_napi_del(&txq->napi); return err; } err = request_irq(sq->irq, tx_irq, 0, txq->irq_name, txq); if (err) { dev_err(&pdev->dev, "Failed to request Tx irq\n"); - tx_napi_del(txq); + netif_napi_del(&txq->napi); return err; } @@ -826,7 +814,7 @@ static void tx_free_irq(struct hinic_txq *txq) struct hinic_sq *sq = txq->sq; free_irq(sq->irq, txq); - tx_napi_del(txq); + netif_napi_del(&txq->napi); } /** diff --git a/drivers/net/ethernet/ibm/ehea/ehea_main.c b/drivers/net/ethernet/ibm/ehea/ehea_main.c index 0273fb7a9d015e..3153d62cc73e38 100644 --- a/drivers/net/ethernet/ibm/ehea/ehea_main.c +++ b/drivers/net/ethernet/ibm/ehea/ehea_main.c @@ -3247,7 +3247,7 @@ static int ehea_mem_notifier(struct notifier_block *nb, switch (action) { case MEM_CANCEL_OFFLINE: pr_info("memory offlining canceled"); - /* Fall through - re-add canceled memory block */ + fallthrough; /* re-add canceled memory block */ case MEM_ONLINE: pr_info("memory is going online"); diff --git a/drivers/net/ethernet/ibm/emac/core.c b/drivers/net/ethernet/ibm/emac/core.c index 06248a7db7f267..c00b9097eeea41 100644 --- a/drivers/net/ethernet/ibm/emac/core.c +++ b/drivers/net/ethernet/ibm/emac/core.c @@ -2319,7 +2319,7 @@ static int emac_ioctl(struct net_device *ndev, struct ifreq *rq, int cmd) switch (cmd) { case SIOCGMIIPHY: data->phy_id = dev->phy.address; - /* Fall through */ + fallthrough; case SIOCGMIIREG: data->val_out = emac_mdio_read(ndev, dev->phy.address, data->reg_num); diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c index 5afb3c9c52d20a..1b702a43a5d01e 100644 --- a/drivers/net/ethernet/ibm/ibmvnic.c +++ b/drivers/net/ethernet/ibm/ibmvnic.c @@ -479,6 +479,9 @@ static int reset_rx_pools(struct ibmvnic_adapter *adapter) int i, j, rc; u64 *size_array; + if (!adapter->rx_pool) + return -1; + size_array = (u64 *)((u8 *)(adapter->login_rsp_buf) + be32_to_cpu(adapter->login_rsp_buf->off_rxadd_buff_size)); @@ -649,6 +652,9 @@ static int reset_tx_pools(struct ibmvnic_adapter *adapter) int tx_scrqs; int i, rc; + if (!adapter->tx_pool) + return -1; + tx_scrqs = be32_to_cpu(adapter->login_rsp_buf->num_txsubm_subcrqs); for (i = 0; i < tx_scrqs; i++) { rc = reset_one_tx_pool(adapter, &adapter->tso_pool[i]); @@ -2011,7 +2017,10 @@ static int do_reset(struct ibmvnic_adapter *adapter, adapter->req_rx_add_entries_per_subcrq != old_num_rx_slots || adapter->req_tx_entries_per_subcrq != - old_num_tx_slots) { + old_num_tx_slots || + !adapter->rx_pool || + !adapter->tso_pool || + !adapter->tx_pool) { release_rx_pools(adapter); release_tx_pools(adapter); release_napi(adapter); @@ -2023,12 +2032,18 @@ static int do_reset(struct ibmvnic_adapter *adapter, } else { rc = reset_tx_pools(adapter); - if (rc) + if (rc) { + netdev_dbg(adapter->netdev, "reset tx pools failed (%d)\n", + rc); goto out; + } rc = reset_rx_pools(adapter); - if (rc) + if (rc) { + netdev_dbg(adapter->netdev, "reset rx pools failed (%d)\n", + rc); goto out; + } } ibmvnic_disable_irqs(adapter); } diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c index 63dde3bcf5bc79..664e8ccc88d22d 100644 --- a/drivers/net/ethernet/intel/e1000e/netdev.c +++ b/drivers/net/ethernet/intel/e1000e/netdev.c @@ -4079,7 +4079,6 @@ void e1000e_reset(struct e1000_adapter *adapter) case e1000_pch_lpt: case e1000_pch_spt: case e1000_pch_cnp: - fallthrough; case e1000_pch_tgp: case e1000_pch_adp: fc->refresh_time = 0xFFFF; diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c index 8e133d6545bd81..47bfb2e95e2db3 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c +++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c @@ -1115,7 +1115,7 @@ static int i40e_quiesce_vf_pci(struct i40e_vf *vf) static int i40e_getnum_vf_vsi_vlan_filters(struct i40e_vsi *vsi) { struct i40e_mac_filter *f; - int num_vlans = 0, bkt; + u16 num_vlans = 0, bkt; hash_for_each(vsi->mac_filter_hash, bkt, f, hlist) { if (f->vlan >= 0 && f->vlan <= I40E_MAX_VLANID) @@ -1134,8 +1134,8 @@ static int i40e_getnum_vf_vsi_vlan_filters(struct i40e_vsi *vsi) * * Called to get number of VLANs and VLAN list present in mac_filter_hash. **/ -static void i40e_get_vlan_list_sync(struct i40e_vsi *vsi, int *num_vlans, - s16 **vlan_list) +static void i40e_get_vlan_list_sync(struct i40e_vsi *vsi, u16 *num_vlans, + s16 **vlan_list) { struct i40e_mac_filter *f; int i = 0; @@ -1169,11 +1169,11 @@ err: **/ static i40e_status i40e_set_vsi_promisc(struct i40e_vf *vf, u16 seid, bool multi_enable, - bool unicast_enable, s16 *vl, int num_vlans) + bool unicast_enable, s16 *vl, u16 num_vlans) { + i40e_status aq_ret, aq_tmp = 0; struct i40e_pf *pf = vf->pf; struct i40e_hw *hw = &pf->hw; - i40e_status aq_ret; int i; /* No VLAN to set promisc on, set on VSI */ @@ -1222,6 +1222,9 @@ i40e_set_vsi_promisc(struct i40e_vf *vf, u16 seid, bool multi_enable, vf->vf_id, i40e_stat_str(&pf->hw, aq_ret), i40e_aq_str(&pf->hw, aq_err)); + + if (!aq_tmp) + aq_tmp = aq_ret; } aq_ret = i40e_aq_set_vsi_uc_promisc_on_vlan(hw, seid, @@ -1235,8 +1238,15 @@ i40e_set_vsi_promisc(struct i40e_vf *vf, u16 seid, bool multi_enable, vf->vf_id, i40e_stat_str(&pf->hw, aq_ret), i40e_aq_str(&pf->hw, aq_err)); + + if (!aq_tmp) + aq_tmp = aq_ret; } } + + if (aq_tmp) + aq_ret = aq_tmp; + return aq_ret; } @@ -1258,7 +1268,7 @@ static i40e_status i40e_config_vf_promiscuous_mode(struct i40e_vf *vf, i40e_status aq_ret = I40E_SUCCESS; struct i40e_pf *pf = vf->pf; struct i40e_vsi *vsi; - int num_vlans; + u16 num_vlans; s16 *vl; vsi = i40e_find_vsi_from_id(pf, vsi_id); diff --git a/drivers/net/ethernet/intel/iavf/iavf_main.c b/drivers/net/ethernet/intel/iavf/iavf_main.c index d870343cf68969..cf539db79af904 100644 --- a/drivers/net/ethernet/intel/iavf/iavf_main.c +++ b/drivers/net/ethernet/intel/iavf/iavf_main.c @@ -3806,8 +3806,8 @@ static int __maybe_unused iavf_suspend(struct device *dev_d) static int __maybe_unused iavf_resume(struct device *dev_d) { struct pci_dev *pdev = to_pci_dev(dev_d); - struct iavf_adapter *adapter = pci_get_drvdata(pdev); - struct net_device *netdev = adapter->netdev; + struct net_device *netdev = pci_get_drvdata(pdev); + struct iavf_adapter *adapter = netdev_priv(netdev); u32 err; pci_set_master(pdev); diff --git a/drivers/net/ethernet/intel/ice/ice_common.c b/drivers/net/ethernet/intel/ice/ice_common.c index 34abfcea985838..7db5fd9773672c 100644 --- a/drivers/net/ethernet/intel/ice/ice_common.c +++ b/drivers/net/ethernet/intel/ice/ice_common.c @@ -2288,26 +2288,28 @@ void ice_set_safe_mode_caps(struct ice_hw *hw) { struct ice_hw_func_caps *func_caps = &hw->func_caps; struct ice_hw_dev_caps *dev_caps = &hw->dev_caps; - u32 valid_func, rxq_first_id, txq_first_id; - u32 msix_vector_first_id, max_mtu; + struct ice_hw_common_caps cached_caps; u32 num_funcs; /* cache some func_caps values that should be restored after memset */ - valid_func = func_caps->common_cap.valid_functions; - txq_first_id = func_caps->common_cap.txq_first_id; - rxq_first_id = func_caps->common_cap.rxq_first_id; - msix_vector_first_id = func_caps->common_cap.msix_vector_first_id; - max_mtu = func_caps->common_cap.max_mtu; + cached_caps = func_caps->common_cap; /* unset func capabilities */ memset(func_caps, 0, sizeof(*func_caps)); +#define ICE_RESTORE_FUNC_CAP(name) \ + func_caps->common_cap.name = cached_caps.name + /* restore cached values */ - func_caps->common_cap.valid_functions = valid_func; - func_caps->common_cap.txq_first_id = txq_first_id; - func_caps->common_cap.rxq_first_id = rxq_first_id; - func_caps->common_cap.msix_vector_first_id = msix_vector_first_id; - func_caps->common_cap.max_mtu = max_mtu; + ICE_RESTORE_FUNC_CAP(valid_functions); + ICE_RESTORE_FUNC_CAP(txq_first_id); + ICE_RESTORE_FUNC_CAP(rxq_first_id); + ICE_RESTORE_FUNC_CAP(msix_vector_first_id); + ICE_RESTORE_FUNC_CAP(max_mtu); + ICE_RESTORE_FUNC_CAP(nvm_unified_update); + ICE_RESTORE_FUNC_CAP(nvm_update_pending_nvm); + ICE_RESTORE_FUNC_CAP(nvm_update_pending_orom); + ICE_RESTORE_FUNC_CAP(nvm_update_pending_netlist); /* one Tx and one Rx queue in safe mode */ func_caps->common_cap.num_rxq = 1; @@ -2318,22 +2320,25 @@ void ice_set_safe_mode_caps(struct ice_hw *hw) func_caps->guar_num_vsi = 1; /* cache some dev_caps values that should be restored after memset */ - valid_func = dev_caps->common_cap.valid_functions; - txq_first_id = dev_caps->common_cap.txq_first_id; - rxq_first_id = dev_caps->common_cap.rxq_first_id; - msix_vector_first_id = dev_caps->common_cap.msix_vector_first_id; - max_mtu = dev_caps->common_cap.max_mtu; + cached_caps = dev_caps->common_cap; num_funcs = dev_caps->num_funcs; /* unset dev capabilities */ memset(dev_caps, 0, sizeof(*dev_caps)); +#define ICE_RESTORE_DEV_CAP(name) \ + dev_caps->common_cap.name = cached_caps.name + /* restore cached values */ - dev_caps->common_cap.valid_functions = valid_func; - dev_caps->common_cap.txq_first_id = txq_first_id; - dev_caps->common_cap.rxq_first_id = rxq_first_id; - dev_caps->common_cap.msix_vector_first_id = msix_vector_first_id; - dev_caps->common_cap.max_mtu = max_mtu; + ICE_RESTORE_DEV_CAP(valid_functions); + ICE_RESTORE_DEV_CAP(txq_first_id); + ICE_RESTORE_DEV_CAP(rxq_first_id); + ICE_RESTORE_DEV_CAP(msix_vector_first_id); + ICE_RESTORE_DEV_CAP(max_mtu); + ICE_RESTORE_DEV_CAP(nvm_unified_update); + ICE_RESTORE_DEV_CAP(nvm_update_pending_nvm); + ICE_RESTORE_DEV_CAP(nvm_update_pending_orom); + ICE_RESTORE_DEV_CAP(nvm_update_pending_netlist); dev_caps->num_funcs = num_funcs; /* one Tx and one Rx queue per function in safe mode */ diff --git a/drivers/net/ethernet/intel/ice/ice_fw_update.c b/drivers/net/ethernet/intel/ice/ice_fw_update.c index deaefe00c9c056..8968fdd4816ba6 100644 --- a/drivers/net/ethernet/intel/ice/ice_fw_update.c +++ b/drivers/net/ethernet/intel/ice/ice_fw_update.c @@ -289,7 +289,13 @@ ice_write_one_nvm_block(struct ice_pf *pf, u16 module, u32 offset, return -EIO; } - err = ice_aq_wait_for_event(pf, ice_aqc_opc_nvm_write, HZ, &event); + /* In most cases, firmware reports a write completion within a few + * milliseconds. However, it has been observed that a completion might + * take more than a second to complete in some cases. The timeout here + * is conservative and is intended to prevent failure to update when + * firmware is slow to respond. + */ + err = ice_aq_wait_for_event(pf, ice_aqc_opc_nvm_write, 15 * HZ, &event); if (err) { dev_err(dev, "Timed out waiting for firmware write completion for module 0x%02x, err %d\n", module, err); @@ -513,7 +519,7 @@ static int ice_switch_flash_banks(struct ice_pf *pf, u8 activate_flags, return -EIO; } - err = ice_aq_wait_for_event(pf, ice_aqc_opc_nvm_write_activate, HZ, + err = ice_aq_wait_for_event(pf, ice_aqc_opc_nvm_write_activate, 30 * HZ, &event); if (err) { dev_err(dev, "Timed out waiting for firmware to switch active flash banks, err %d\n", diff --git a/drivers/net/ethernet/intel/ice/ice_lib.c b/drivers/net/ethernet/intel/ice/ice_lib.c index f2682776f8c83b..ebbb8f54871c91 100644 --- a/drivers/net/ethernet/intel/ice/ice_lib.c +++ b/drivers/net/ethernet/intel/ice/ice_lib.c @@ -246,7 +246,7 @@ static int ice_get_free_slot(void *array, int size, int curr) * ice_vsi_delete - delete a VSI from the switch * @vsi: pointer to VSI being removed */ -void ice_vsi_delete(struct ice_vsi *vsi) +static void ice_vsi_delete(struct ice_vsi *vsi) { struct ice_pf *pf = vsi->back; struct ice_vsi_ctx *ctxt; @@ -313,7 +313,7 @@ static void ice_vsi_free_arrays(struct ice_vsi *vsi) * * Returns 0 on success, negative on failure */ -int ice_vsi_clear(struct ice_vsi *vsi) +static int ice_vsi_clear(struct ice_vsi *vsi) { struct ice_pf *pf = NULL; struct device *dev; @@ -563,7 +563,7 @@ static int ice_vsi_get_qs(struct ice_vsi *vsi) * ice_vsi_put_qs - Release queues from VSI to PF * @vsi: the VSI that is going to release queues */ -void ice_vsi_put_qs(struct ice_vsi *vsi) +static void ice_vsi_put_qs(struct ice_vsi *vsi) { struct ice_pf *pf = vsi->back; int i; @@ -1196,6 +1196,18 @@ static void ice_vsi_clear_rings(struct ice_vsi *vsi) { int i; + /* Avoid stale references by clearing map from vector to ring */ + if (vsi->q_vectors) { + ice_for_each_q_vector(vsi, i) { + struct ice_q_vector *q_vector = vsi->q_vectors[i]; + + if (q_vector) { + q_vector->tx.ring = NULL; + q_vector->rx.ring = NULL; + } + } + } + if (vsi->tx_rings) { for (i = 0; i < vsi->alloc_txq; i++) { if (vsi->tx_rings[i]) { @@ -2291,7 +2303,7 @@ ice_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi, if (status) { dev_err(dev, "VSI %d failed lan queue config, error %s\n", vsi->vsi_num, ice_stat_str(status)); - goto unroll_vector_base; + goto unroll_clear_rings; } /* Add switch rule to drop all Tx Flow Control Frames, of look up diff --git a/drivers/net/ethernet/intel/ice/ice_lib.h b/drivers/net/ethernet/intel/ice/ice_lib.h index 981f3a156c24a3..3da17895a2b150 100644 --- a/drivers/net/ethernet/intel/ice/ice_lib.h +++ b/drivers/net/ethernet/intel/ice/ice_lib.h @@ -45,10 +45,6 @@ int ice_cfg_vlan_pruning(struct ice_vsi *vsi, bool ena, bool vlan_promisc); void ice_cfg_sw_lldp(struct ice_vsi *vsi, bool tx, bool create); -void ice_vsi_delete(struct ice_vsi *vsi); - -int ice_vsi_clear(struct ice_vsi *vsi); - #ifdef CONFIG_DCB int ice_vsi_cfg_tc(struct ice_vsi *vsi, u8 ena_tc); #endif /* CONFIG_DCB */ @@ -79,8 +75,6 @@ bool ice_is_reset_in_progress(unsigned long *state); void ice_write_qrxflxp_cntxt(struct ice_hw *hw, u16 pf_q, u32 rxdid, u32 prio); -void ice_vsi_put_qs(struct ice_vsi *vsi); - void ice_vsi_dis_irq(struct ice_vsi *vsi); void ice_vsi_free_irq(struct ice_vsi *vsi); diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c index 4634b48949bb7a..54a7f55eb8c1ca 100644 --- a/drivers/net/ethernet/intel/ice/ice_main.c +++ b/drivers/net/ethernet/intel/ice/ice_main.c @@ -3169,10 +3169,8 @@ static int ice_setup_pf_sw(struct ice_pf *pf) return -EBUSY; vsi = ice_pf_vsi_setup(pf, pf->hw.port_info); - if (!vsi) { - status = -ENOMEM; - goto unroll_vsi_setup; - } + if (!vsi) + return -ENOMEM; status = ice_cfg_netdev(vsi); if (status) { @@ -3219,12 +3217,7 @@ unroll_napi_add: } unroll_vsi_setup: - if (vsi) { - ice_vsi_free_q_vectors(vsi); - ice_vsi_delete(vsi); - ice_vsi_put_qs(vsi); - ice_vsi_clear(vsi); - } + ice_vsi_release(vsi); return status; } @@ -4522,6 +4515,7 @@ static int __maybe_unused ice_suspend(struct device *dev) } ice_clear_interrupt_scheme(pf); + pci_save_state(pdev); pci_wake_from_d3(pdev, pf->wol_ena); pci_set_power_state(pdev, PCI_D3hot); return 0; diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index 4f05f6efe6af16..d9c3a6b169f90f 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -718,7 +718,6 @@ static void igb_cache_ring_register(struct igb_adapter *adapter) case e1000_i354: case e1000_i210: case e1000_i211: - fallthrough; default: for (; i < adapter->num_rx_queues; i++) adapter->rx_ring[i]->reg_idx = rbase_offset + i; diff --git a/drivers/net/ethernet/intel/igc/igc.h b/drivers/net/ethernet/intel/igc/igc.h index 3070dfdb7eb4af..2d566f3c827b57 100644 --- a/drivers/net/ethernet/intel/igc/igc.h +++ b/drivers/net/ethernet/intel/igc/igc.h @@ -299,18 +299,14 @@ extern char igc_driver_name[]; #define IGC_RX_HDR_LEN IGC_RXBUFFER_256 /* Transmit and receive latency (for PTP timestamps) */ -/* FIXME: These values were estimated using the ones that i225 has as - * basis, they seem to provide good numbers with ptp4l/phc2sys, but we - * need to confirm them. - */ -#define IGC_I225_TX_LATENCY_10 9542 -#define IGC_I225_TX_LATENCY_100 1024 -#define IGC_I225_TX_LATENCY_1000 178 -#define IGC_I225_TX_LATENCY_2500 64 -#define IGC_I225_RX_LATENCY_10 20662 -#define IGC_I225_RX_LATENCY_100 2213 -#define IGC_I225_RX_LATENCY_1000 448 -#define IGC_I225_RX_LATENCY_2500 160 +#define IGC_I225_TX_LATENCY_10 240 +#define IGC_I225_TX_LATENCY_100 58 +#define IGC_I225_TX_LATENCY_1000 80 +#define IGC_I225_TX_LATENCY_2500 1325 +#define IGC_I225_RX_LATENCY_10 6450 +#define IGC_I225_RX_LATENCY_100 185 +#define IGC_I225_RX_LATENCY_1000 300 +#define IGC_I225_RX_LATENCY_2500 1485 /* RX and TX descriptor control thresholds. * PTHRESH - MAC will consider prefetch if it has fewer than this number of diff --git a/drivers/net/ethernet/intel/igc/igc_ptp.c b/drivers/net/ethernet/intel/igc/igc_ptp.c index 36c999250fcc21..6a9b5102aa55e6 100644 --- a/drivers/net/ethernet/intel/igc/igc_ptp.c +++ b/drivers/net/ethernet/intel/igc/igc_ptp.c @@ -364,6 +364,7 @@ static void igc_ptp_tx_hwtstamp(struct igc_adapter *adapter) struct sk_buff *skb = adapter->ptp_tx_skb; struct skb_shared_hwtstamps shhwtstamps; struct igc_hw *hw = &adapter->hw; + int adjust = 0; u64 regval; if (WARN_ON_ONCE(!skb)) @@ -373,6 +374,24 @@ static void igc_ptp_tx_hwtstamp(struct igc_adapter *adapter) regval |= (u64)rd32(IGC_TXSTMPH) << 32; igc_ptp_systim_to_hwtstamp(adapter, &shhwtstamps, regval); + switch (adapter->link_speed) { + case SPEED_10: + adjust = IGC_I225_TX_LATENCY_10; + break; + case SPEED_100: + adjust = IGC_I225_TX_LATENCY_100; + break; + case SPEED_1000: + adjust = IGC_I225_TX_LATENCY_1000; + break; + case SPEED_2500: + adjust = IGC_I225_TX_LATENCY_2500; + break; + } + + shhwtstamps.hwtstamp = + ktime_add_ns(shhwtstamps.hwtstamp, adjust); + /* Clear the lock early before calling skb_tstamp_tx so that * applications are not woken up before the lock bit is clear. We use * a copy of the skb pointer to ensure other threads can't change it diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c index 2f8a4cfc5fa1ff..86ca8b9ea1b809 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c @@ -5396,9 +5396,10 @@ static int ixgbe_fwd_ring_up(struct ixgbe_adapter *adapter, return err; } -static int ixgbe_macvlan_up(struct net_device *vdev, void *data) +static int ixgbe_macvlan_up(struct net_device *vdev, + struct netdev_nested_priv *priv) { - struct ixgbe_adapter *adapter = data; + struct ixgbe_adapter *adapter = (struct ixgbe_adapter *)priv->data; struct ixgbe_fwd_adapter *accel; if (!netif_is_macvlan(vdev)) @@ -5415,8 +5416,12 @@ static int ixgbe_macvlan_up(struct net_device *vdev, void *data) static void ixgbe_configure_dfwd(struct ixgbe_adapter *adapter) { + struct netdev_nested_priv priv = { + .data = (void *)adapter, + }; + netdev_walk_all_upper_dev_rcu(adapter->netdev, - ixgbe_macvlan_up, adapter); + ixgbe_macvlan_up, &priv); } static void ixgbe_configure(struct ixgbe_adapter *adapter) @@ -9023,9 +9028,10 @@ static void ixgbe_set_prio_tc_map(struct ixgbe_adapter *adapter) } #endif /* CONFIG_IXGBE_DCB */ -static int ixgbe_reassign_macvlan_pool(struct net_device *vdev, void *data) +static int ixgbe_reassign_macvlan_pool(struct net_device *vdev, + struct netdev_nested_priv *priv) { - struct ixgbe_adapter *adapter = data; + struct ixgbe_adapter *adapter = (struct ixgbe_adapter *)priv->data; struct ixgbe_fwd_adapter *accel; int pool; @@ -9062,13 +9068,16 @@ static int ixgbe_reassign_macvlan_pool(struct net_device *vdev, void *data) static void ixgbe_defrag_macvlan_pools(struct net_device *dev) { struct ixgbe_adapter *adapter = netdev_priv(dev); + struct netdev_nested_priv priv = { + .data = (void *)adapter, + }; /* flush any stale bits out of the fwd bitmask */ bitmap_clear(adapter->fwd_bitmask, 1, 63); /* walk through upper devices reassigning pools */ netdev_walk_all_upper_dev_rcu(dev, ixgbe_reassign_macvlan_pool, - adapter); + &priv); } /** @@ -9242,14 +9251,18 @@ struct upper_walk_data { u8 queue; }; -static int get_macvlan_queue(struct net_device *upper, void *_data) +static int get_macvlan_queue(struct net_device *upper, + struct netdev_nested_priv *priv) { if (netif_is_macvlan(upper)) { struct ixgbe_fwd_adapter *vadapter = macvlan_accel_priv(upper); - struct upper_walk_data *data = _data; - struct ixgbe_adapter *adapter = data->adapter; - int ifindex = data->ifindex; + struct ixgbe_adapter *adapter; + struct upper_walk_data *data; + int ifindex; + data = (struct upper_walk_data *)priv->data; + ifindex = data->ifindex; + adapter = data->adapter; if (vadapter && upper->ifindex == ifindex) { data->queue = adapter->rx_ring[vadapter->rx_base_queue]->reg_idx; data->action = data->queue; @@ -9265,6 +9278,7 @@ static int handle_redirect_action(struct ixgbe_adapter *adapter, int ifindex, { struct ixgbe_ring_feature *vmdq = &adapter->ring_feature[RING_F_VMDQ]; unsigned int num_vfs = adapter->num_vfs, vf; + struct netdev_nested_priv priv; struct upper_walk_data data; struct net_device *upper; @@ -9284,8 +9298,9 @@ static int handle_redirect_action(struct ixgbe_adapter *adapter, int ifindex, data.ifindex = ifindex; data.action = 0; data.queue = 0; + priv.data = (void *)&data; if (netdev_walk_all_upper_dev_rcu(adapter->netdev, - get_macvlan_queue, &data)) { + get_macvlan_queue, &priv)) { *action = data.action; *queue = data.queue; diff --git a/drivers/net/ethernet/lantiq_xrx200.c b/drivers/net/ethernet/lantiq_xrx200.c index 1645e4e7ebdbb3..51ed8a54d3801f 100644 --- a/drivers/net/ethernet/lantiq_xrx200.c +++ b/drivers/net/ethernet/lantiq_xrx200.c @@ -230,8 +230,8 @@ static int xrx200_poll_rx(struct napi_struct *napi, int budget) } if (rx < budget) { - napi_complete(&ch->napi); - ltq_dma_enable_irq(&ch->dma); + if (napi_complete_done(&ch->napi, rx)) + ltq_dma_enable_irq(&ch->dma); } return rx; @@ -245,6 +245,7 @@ static int xrx200_tx_housekeeping(struct napi_struct *napi, int budget) int pkts = 0; int bytes = 0; + netif_tx_lock(net_dev); while (pkts < budget) { struct ltq_dma_desc *desc = &ch->dma.desc_base[ch->tx_free]; @@ -268,9 +269,13 @@ static int xrx200_tx_housekeeping(struct napi_struct *napi, int budget) net_dev->stats.tx_bytes += bytes; netdev_completed_queue(ch->priv->net_dev, pkts, bytes); + netif_tx_unlock(net_dev); + if (netif_queue_stopped(net_dev)) + netif_wake_queue(net_dev); + if (pkts < budget) { - napi_complete(&ch->napi); - ltq_dma_enable_irq(&ch->dma); + if (napi_complete_done(&ch->napi, pkts)) + ltq_dma_enable_irq(&ch->dma); } return pkts; @@ -342,10 +347,12 @@ static irqreturn_t xrx200_dma_irq(int irq, void *ptr) { struct xrx200_chan *ch = ptr; - ltq_dma_disable_irq(&ch->dma); - ltq_dma_ack_irq(&ch->dma); + if (napi_schedule_prep(&ch->napi)) { + __napi_schedule(&ch->napi); + ltq_dma_disable_irq(&ch->dma); + } - napi_schedule(&ch->napi); + ltq_dma_ack_irq(&ch->dma); return IRQ_HANDLED; } @@ -499,7 +506,7 @@ static int xrx200_probe(struct platform_device *pdev) /* setup NAPI */ netif_napi_add(net_dev, &priv->chan_rx.napi, xrx200_poll_rx, 32); - netif_napi_add(net_dev, &priv->chan_tx.napi, xrx200_tx_housekeeping, 32); + netif_tx_napi_add(net_dev, &priv->chan_tx.napi, xrx200_tx_housekeeping, 32); platform_set_drvdata(pdev, priv); diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c index 832bbb8b05c80d..5bf0409f5d42a2 100644 --- a/drivers/net/ethernet/marvell/mvneta.c +++ b/drivers/net/ethernet/marvell/mvneta.c @@ -2029,11 +2029,11 @@ mvneta_xdp_put_buff(struct mvneta_port *pp, struct mvneta_rx_queue *rxq, struct skb_shared_info *sinfo = xdp_get_shared_info_from_buff(xdp); int i; - page_pool_put_page(rxq->page_pool, virt_to_head_page(xdp->data), - sync_len, napi); for (i = 0; i < sinfo->nr_frags; i++) page_pool_put_full_page(rxq->page_pool, skb_frag_page(&sinfo->frags[i]), napi); + page_pool_put_page(rxq->page_pool, virt_to_head_page(xdp->data), + sync_len, napi); } static int @@ -2205,10 +2205,10 @@ mvneta_run_xdp(struct mvneta_port *pp, struct mvneta_rx_queue *rxq, break; default: bpf_warn_invalid_xdp_action(act); - /* fall through */ + fallthrough; case XDP_ABORTED: trace_xdp_exception(pp->dev, prog, act); - /* fall through */ + fallthrough; case XDP_DROP: mvneta_xdp_put_buff(pp, rxq, xdp, sync, true); ret = MVNETA_XDP_DROPPED; @@ -2383,8 +2383,12 @@ static int mvneta_rx_swbm(struct napi_struct *napi, mvneta_swbm_rx_frame(pp, rx_desc, rxq, &xdp_buf, &size, page, &ps); } else { - if (unlikely(!xdp_buf.data_hard_start)) + if (unlikely(!xdp_buf.data_hard_start)) { + rx_desc->buf_phys_addr = 0; + page_pool_put_full_page(rxq->page_pool, page, + true); continue; + } mvneta_swbm_add_rx_fragment(pp, rx_desc, rxq, &xdp_buf, &size, page); @@ -3396,24 +3400,15 @@ static int mvneta_txq_sw_init(struct mvneta_port *pp, txq->last_desc = txq->size - 1; txq->buf = kmalloc_array(txq->size, sizeof(*txq->buf), GFP_KERNEL); - if (!txq->buf) { - dma_free_coherent(pp->dev->dev.parent, - txq->size * MVNETA_DESC_ALIGNED_SIZE, - txq->descs, txq->descs_phys); + if (!txq->buf) return -ENOMEM; - } /* Allocate DMA buffers for TSO MAC/IP/TCP headers */ txq->tso_hdrs = dma_alloc_coherent(pp->dev->dev.parent, txq->size * TSO_HEADER_SIZE, &txq->tso_hdrs_phys, GFP_KERNEL); - if (!txq->tso_hdrs) { - kfree(txq->buf); - dma_free_coherent(pp->dev->dev.parent, - txq->size * MVNETA_DESC_ALIGNED_SIZE, - txq->descs, txq->descs_phys); + if (!txq->tso_hdrs) return -ENOMEM; - } /* Setup XPS mapping */ if (txq_number > 1) diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_cls.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_cls.c index d4a4e241333d8a..41d935d1aaf6ff 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_cls.c +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_cls.c @@ -1638,7 +1638,7 @@ int mvpp2_ethtool_rxfh_set(struct mvpp2_port *port, struct ethtool_rxnfc *info) hash_opts |= MVPP22_CLS_HEK_OPT_L4SIP; if (info->data & RXH_L4_B_2_3) hash_opts |= MVPP22_CLS_HEK_OPT_L4DIP; - /* Fallthrough */ + fallthrough; case MVPP22_FLOW_IP4: case MVPP22_FLOW_IP6: if (info->data & RXH_L2DA) diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c index 2a8a5842eaefdf..6e140d1b8967ca 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c @@ -5437,7 +5437,7 @@ static void mvpp2_phylink_validate(struct phylink_config *config, } if (state->interface != PHY_INTERFACE_MODE_NA) break; - /* Fall-through */ + fallthrough; case PHY_INTERFACE_MODE_RGMII: case PHY_INTERFACE_MODE_RGMII_ID: case PHY_INTERFACE_MODE_RGMII_RXID: @@ -5451,7 +5451,7 @@ static void mvpp2_phylink_validate(struct phylink_config *config, phylink_set(mask, 1000baseX_Full); if (state->interface != PHY_INTERFACE_MODE_NA) break; - /* Fall-through */ + fallthrough; case PHY_INTERFACE_MODE_1000BASEX: case PHY_INTERFACE_MODE_2500BASEX: if (port->comphy || diff --git a/drivers/net/ethernet/marvell/octeontx2/af/mbox.c b/drivers/net/ethernet/marvell/octeontx2/af/mbox.c index 387e33fa417aad..2718fe201c1472 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/mbox.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/mbox.c @@ -17,7 +17,7 @@ static const u16 msgs_offset = ALIGN(sizeof(struct mbox_hdr), MBOX_MSG_ALIGN); -void otx2_mbox_reset(struct otx2_mbox *mbox, int devid) +void __otx2_mbox_reset(struct otx2_mbox *mbox, int devid) { void *hw_mbase = mbox->hwbase + (devid * MBOX_SIZE); struct otx2_mbox_dev *mdev = &mbox->dev[devid]; @@ -26,13 +26,21 @@ void otx2_mbox_reset(struct otx2_mbox *mbox, int devid) tx_hdr = hw_mbase + mbox->tx_start; rx_hdr = hw_mbase + mbox->rx_start; - spin_lock(&mdev->mbox_lock); mdev->msg_size = 0; mdev->rsp_size = 0; tx_hdr->num_msgs = 0; tx_hdr->msg_size = 0; rx_hdr->num_msgs = 0; rx_hdr->msg_size = 0; +} +EXPORT_SYMBOL(__otx2_mbox_reset); + +void otx2_mbox_reset(struct otx2_mbox *mbox, int devid) +{ + struct otx2_mbox_dev *mdev = &mbox->dev[devid]; + + spin_lock(&mdev->mbox_lock); + __otx2_mbox_reset(mbox, devid); spin_unlock(&mdev->mbox_lock); } EXPORT_SYMBOL(otx2_mbox_reset); diff --git a/drivers/net/ethernet/marvell/octeontx2/af/mbox.h b/drivers/net/ethernet/marvell/octeontx2/af/mbox.h index 6dfd0f90cd7049..ab433789d2c311 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/mbox.h +++ b/drivers/net/ethernet/marvell/octeontx2/af/mbox.h @@ -93,6 +93,7 @@ struct mbox_msghdr { }; void otx2_mbox_reset(struct otx2_mbox *mbox, int devid); +void __otx2_mbox_reset(struct otx2_mbox *mbox, int devid); void otx2_mbox_destroy(struct otx2_mbox *mbox); int otx2_mbox_init(struct otx2_mbox *mbox, void __force *hwbase, struct pci_dev *pdev, void __force *reg_base, diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu.h b/drivers/net/ethernet/marvell/octeontx2/af/rvu.h index dcf25a09200841..b89dde2c8b089b 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu.h +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu.h @@ -463,6 +463,7 @@ void rvu_nix_freemem(struct rvu *rvu); int rvu_get_nixlf_count(struct rvu *rvu); void rvu_nix_lf_teardown(struct rvu *rvu, u16 pcifunc, int blkaddr, int npalf); int nix_get_nixlf(struct rvu *rvu, u16 pcifunc, int *nixlf, int *nix_blkaddr); +int nix_update_bcast_mce_list(struct rvu *rvu, u16 pcifunc, bool add); /* NPC APIs */ int rvu_npc_init(struct rvu *rvu); @@ -477,7 +478,7 @@ void rvu_npc_disable_promisc_entry(struct rvu *rvu, u16 pcifunc, int nixlf); void rvu_npc_enable_promisc_entry(struct rvu *rvu, u16 pcifunc, int nixlf); void rvu_npc_install_bcast_match_entry(struct rvu *rvu, u16 pcifunc, int nixlf, u64 chan); -void rvu_npc_disable_bcast_entry(struct rvu *rvu, u16 pcifunc); +void rvu_npc_enable_bcast_entry(struct rvu *rvu, u16 pcifunc, bool enable); int rvu_npc_update_rxvlan(struct rvu *rvu, u16 pcifunc, int nixlf); void rvu_npc_disable_mcam_entries(struct rvu *rvu, u16 pcifunc, int nixlf); void rvu_npc_disable_default_entries(struct rvu *rvu, u16 pcifunc, int nixlf); diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c index 36953d4f51c73a..0fc70824fd6bb2 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c @@ -17,7 +17,6 @@ #include "npc.h" #include "cgx.h" -static int nix_update_bcast_mce_list(struct rvu *rvu, u16 pcifunc, bool add); static int rvu_nix_get_bpid(struct rvu *rvu, struct nix_bp_cfg_req *req, int type, int chan_id); @@ -737,7 +736,7 @@ static int rvu_nix_aq_enq_inst(struct rvu *rvu, struct nix_aq_enq_req *req, else if (req->ctype == NIX_AQ_CTYPE_MCE) memcpy(mask, &req->mce_mask, sizeof(struct nix_rx_mce_s)); - /* Fall through */ + fallthrough; case NIX_AQ_INSTOP_INIT: if (req->ctype == NIX_AQ_CTYPE_RQ) memcpy(ctx, &req->rq, sizeof(struct nix_rq_ctx_s)); @@ -2020,7 +2019,7 @@ static int nix_update_mce_list(struct nix_mce_list *mce_list, return 0; } -static int nix_update_bcast_mce_list(struct rvu *rvu, u16 pcifunc, bool add) +int nix_update_bcast_mce_list(struct rvu *rvu, u16 pcifunc, bool add) { int err = 0, idx, next_idx, last_idx; struct nix_mce_list *mce_list; @@ -2065,7 +2064,7 @@ static int nix_update_bcast_mce_list(struct rvu *rvu, u16 pcifunc, bool add) /* Disable MCAM entry in NPC */ if (!mce_list->count) { - rvu_npc_disable_bcast_entry(rvu, pcifunc); + rvu_npc_enable_bcast_entry(rvu, pcifunc, false); goto end; } diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c index 0a214084406a65..fbaf9bcd83f2f4 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c @@ -530,7 +530,7 @@ void rvu_npc_install_bcast_match_entry(struct rvu *rvu, u16 pcifunc, NIX_INTF_RX, &entry, true); } -void rvu_npc_disable_bcast_entry(struct rvu *rvu, u16 pcifunc) +void rvu_npc_enable_bcast_entry(struct rvu *rvu, u16 pcifunc, bool enable) { struct npc_mcam *mcam = &rvu->hw->mcam; int blkaddr, index; @@ -543,7 +543,7 @@ void rvu_npc_disable_bcast_entry(struct rvu *rvu, u16 pcifunc) pcifunc = pcifunc & ~RVU_PFVF_FUNC_MASK; index = npc_get_nixlf_mcam_index(mcam, pcifunc, 0, NIXLF_BCAST_ENTRY); - npc_enable_mcam_entry(rvu, mcam, blkaddr, index, false); + npc_enable_mcam_entry(rvu, mcam, blkaddr, index, enable); } void rvu_npc_update_flowkey_alg_idx(struct rvu *rvu, u16 pcifunc, int nixlf, @@ -622,23 +622,35 @@ static void npc_enadis_default_entries(struct rvu *rvu, u16 pcifunc, nixlf, NIXLF_UCAST_ENTRY); npc_enable_mcam_entry(rvu, mcam, blkaddr, index, enable); - /* For PF, ena/dis promisc and bcast MCAM match entries */ - if (pcifunc & RVU_PFVF_FUNC_MASK) + /* For PF, ena/dis promisc and bcast MCAM match entries. + * For VFs add/delete from bcast list when RX multicast + * feature is present. + */ + if (pcifunc & RVU_PFVF_FUNC_MASK && !rvu->hw->cap.nix_rx_multicast) return; /* For bcast, enable/disable only if it's action is not * packet replication, incase if action is replication - * then this PF's nixlf is removed from bcast replication + * then this PF/VF's nixlf is removed from bcast replication * list. */ - index = npc_get_nixlf_mcam_index(mcam, pcifunc, + index = npc_get_nixlf_mcam_index(mcam, pcifunc & ~RVU_PFVF_FUNC_MASK, nixlf, NIXLF_BCAST_ENTRY); bank = npc_get_bank(mcam, index); *(u64 *)&action = rvu_read64(rvu, blkaddr, NPC_AF_MCAMEX_BANKX_ACTION(index & (mcam->banksize - 1), bank)); - if (action.op != NIX_RX_ACTIONOP_MCAST) + + /* VFs will not have BCAST entry */ + if (action.op != NIX_RX_ACTIONOP_MCAST && + !(pcifunc & RVU_PFVF_FUNC_MASK)) { npc_enable_mcam_entry(rvu, mcam, blkaddr, index, enable); + } else { + nix_update_bcast_mce_list(rvu, pcifunc, enable); + /* Enable PF's BCAST entry for packet replication */ + rvu_npc_enable_bcast_entry(rvu, pcifunc, enable); + } + if (enable) rvu_npc_enable_promisc_entry(rvu, pcifunc, nixlf); else diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c index 75a8c407e815c0..2fb45670aca493 100644 --- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c +++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c @@ -370,8 +370,8 @@ static int otx2_forward_vf_mbox_msgs(struct otx2_nic *pf, dst_mbox = &pf->mbox; dst_size = dst_mbox->mbox.tx_size - ALIGN(sizeof(*mbox_hdr), MBOX_MSG_ALIGN); - /* Check if msgs fit into destination area */ - if (mbox_hdr->msg_size > dst_size) + /* Check if msgs fit into destination area and has valid size */ + if (mbox_hdr->msg_size > dst_size || !mbox_hdr->msg_size) return -EINVAL; dst_mdev = &dst_mbox->mbox.dev[0]; @@ -526,10 +526,10 @@ static void otx2_pfvf_mbox_up_handler(struct work_struct *work) end: offset = mbox->rx_start + msg->next_msgoff; + if (mdev->msgs_acked == (vf_mbox->up_num_msgs - 1)) + __otx2_mbox_reset(mbox, 0); mdev->msgs_acked++; } - - otx2_mbox_reset(mbox, vf_idx); } static irqreturn_t otx2_pfvf_mbox_intr_handler(int irq, void *pf_irq) @@ -803,10 +803,11 @@ static void otx2_pfaf_mbox_handler(struct work_struct *work) msg = (struct mbox_msghdr *)(mdev->mbase + offset); otx2_process_pfaf_mbox_msg(pf, msg); offset = mbox->rx_start + msg->next_msgoff; + if (mdev->msgs_acked == (af_mbox->num_msgs - 1)) + __otx2_mbox_reset(mbox, 0); mdev->msgs_acked++; } - otx2_mbox_reset(mbox, 0); } static void otx2_handle_link_event(struct otx2_nic *pf) @@ -1560,10 +1561,13 @@ int otx2_open(struct net_device *netdev) err = otx2_rxtx_enable(pf, true); if (err) - goto err_free_cints; + goto err_tx_stop_queues; return 0; +err_tx_stop_queues: + netif_tx_stop_all_queues(netdev); + netif_carrier_off(netdev); err_free_cints: otx2_free_cints(pf, qidx); vec = pci_irq_vector(pf->pdev, diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c index 3a5b34a2a7a653..e46834e043bed7 100644 --- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c +++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c @@ -524,6 +524,7 @@ static void otx2_sqe_add_hdr(struct otx2_nic *pfvf, struct otx2_snd_queue *sq, sqe_hdr->ol3type = NIX_SENDL3TYPE_IP4_CKSUM; } else if (skb->protocol == htons(ETH_P_IPV6)) { proto = ipv6_hdr(skb)->nexthdr; + sqe_hdr->ol3type = NIX_SENDL3TYPE_IP6; } if (proto == IPPROTO_TCP) diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c index 92a3db69a6cd65..2f90f172144156 100644 --- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c +++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c @@ -99,10 +99,10 @@ static void otx2vf_vfaf_mbox_handler(struct work_struct *work) msg = (struct mbox_msghdr *)(mdev->mbase + offset); otx2vf_process_vfaf_mbox_msg(af_mbox->pfvf, msg); offset = mbox->rx_start + msg->next_msgoff; + if (mdev->msgs_acked == (af_mbox->num_msgs - 1)) + __otx2_mbox_reset(mbox, 0); mdev->msgs_acked++; } - - otx2_mbox_reset(mbox, 0); } static int otx2vf_process_mbox_msg_up(struct otx2_nic *vf, diff --git a/drivers/net/ethernet/marvell/skge.c b/drivers/net/ethernet/marvell/skge.c index b792f6306a6414..6a930351cb239d 100644 --- a/drivers/net/ethernet/marvell/skge.c +++ b/drivers/net/ethernet/marvell/skge.c @@ -2448,7 +2448,7 @@ static int skge_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) case SIOCGMIIPHY: data->phy_id = hw->phy_addr; - /* fallthru */ + fallthrough; case SIOCGMIIREG: { u16 val = 0; spin_lock_bh(&hw->phy_lock); diff --git a/drivers/net/ethernet/marvell/sky2.c b/drivers/net/ethernet/marvell/sky2.c index cec8124301c7f5..344864275ed56a 100644 --- a/drivers/net/ethernet/marvell/sky2.c +++ b/drivers/net/ethernet/marvell/sky2.c @@ -1376,7 +1376,7 @@ static int sky2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) case SIOCGMIIPHY: data->phy_id = PHY_ADDR_MARV; - /* fallthru */ + fallthrough; case SIOCGMIIREG: { u16 val = 0; @@ -2764,7 +2764,7 @@ static int sky2_status_intr(struct sky2_hw *hw, int to_do, u16 idx) case OP_RXCHKSVLAN: sky2_rx_tag(sky2, length); - /* fall through */ + fallthrough; case OP_RXCHKS: if (likely(dev->features & NETIF_F_RXCSUM)) sky2_rx_checksum(sky2, status); diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c index 0870fe78ea38c1..6d2d60675ffd7d 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c @@ -228,7 +228,7 @@ static void mtk_mac_config(struct phylink_config *config, unsigned int mode, if (!MTK_HAS_CAPS(mac->hw->soc->caps, MTK_GMAC1_TRGMII)) goto err_phy; - /* fall through */ + fallthrough; case PHY_INTERFACE_MODE_RGMII_TXID: case PHY_INTERFACE_MODE_RGMII_RXID: case PHY_INTERFACE_MODE_RGMII_ID: @@ -501,11 +501,11 @@ static void mtk_validate(struct phylink_config *config, case PHY_INTERFACE_MODE_RGMII_RXID: case PHY_INTERFACE_MODE_RGMII_TXID: phylink_set(mask, 1000baseT_Half); - /* fall through */ + fallthrough; case PHY_INTERFACE_MODE_SGMII: phylink_set(mask, 1000baseT_Full); phylink_set(mask, 1000baseX_Full); - /* fall through */ + fallthrough; case PHY_INTERFACE_MODE_MII: case PHY_INTERFACE_MODE_RMII: case PHY_INTERFACE_MODE_REVMII: diff --git a/drivers/net/ethernet/mellanox/mlx4/mr.c b/drivers/net/ethernet/mellanox/mlx4/mr.c index d2986f1f2db02a..d7444782bfdd02 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mr.c +++ b/drivers/net/ethernet/mellanox/mlx4/mr.c @@ -114,7 +114,7 @@ static int mlx4_buddy_init(struct mlx4_buddy *buddy, int max_order) goto err_out; for (i = 0; i <= buddy->max_order; ++i) { - s = BITS_TO_LONGS(1 << (buddy->max_order - i)); + s = BITS_TO_LONGS(1UL << (buddy->max_order - i)); buddy->bits[i] = kvmalloc_array(s, sizeof(long), GFP_KERNEL | __GFP_ZERO); if (!buddy->bits[i]) goto err_out_free; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c index 1d91a0d0ab1d70..2d1f4b3be9bf25 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c @@ -69,12 +69,10 @@ enum { MLX5_CMD_DELIVERY_STAT_CMD_DESCR_ERR = 0x10, }; -static struct mlx5_cmd_work_ent *alloc_cmd(struct mlx5_cmd *cmd, - struct mlx5_cmd_msg *in, - struct mlx5_cmd_msg *out, - void *uout, int uout_size, - mlx5_cmd_cbk_t cbk, - void *context, int page_queue) +static struct mlx5_cmd_work_ent * +cmd_alloc_ent(struct mlx5_cmd *cmd, struct mlx5_cmd_msg *in, + struct mlx5_cmd_msg *out, void *uout, int uout_size, + mlx5_cmd_cbk_t cbk, void *context, int page_queue) { gfp_t alloc_flags = cbk ? GFP_ATOMIC : GFP_KERNEL; struct mlx5_cmd_work_ent *ent; @@ -83,6 +81,7 @@ static struct mlx5_cmd_work_ent *alloc_cmd(struct mlx5_cmd *cmd, if (!ent) return ERR_PTR(-ENOMEM); + ent->idx = -EINVAL; ent->in = in; ent->out = out; ent->uout = uout; @@ -91,10 +90,16 @@ static struct mlx5_cmd_work_ent *alloc_cmd(struct mlx5_cmd *cmd, ent->context = context; ent->cmd = cmd; ent->page_queue = page_queue; + refcount_set(&ent->refcnt, 1); return ent; } +static void cmd_free_ent(struct mlx5_cmd_work_ent *ent) +{ + kfree(ent); +} + static u8 alloc_token(struct mlx5_cmd *cmd) { u8 token; @@ -109,7 +114,7 @@ static u8 alloc_token(struct mlx5_cmd *cmd) return token; } -static int alloc_ent(struct mlx5_cmd *cmd) +static int cmd_alloc_index(struct mlx5_cmd *cmd) { unsigned long flags; int ret; @@ -123,7 +128,7 @@ static int alloc_ent(struct mlx5_cmd *cmd) return ret < cmd->max_reg_cmds ? ret : -ENOMEM; } -static void free_ent(struct mlx5_cmd *cmd, int idx) +static void cmd_free_index(struct mlx5_cmd *cmd, int idx) { unsigned long flags; @@ -132,6 +137,22 @@ static void free_ent(struct mlx5_cmd *cmd, int idx) spin_unlock_irqrestore(&cmd->alloc_lock, flags); } +static void cmd_ent_get(struct mlx5_cmd_work_ent *ent) +{ + refcount_inc(&ent->refcnt); +} + +static void cmd_ent_put(struct mlx5_cmd_work_ent *ent) +{ + if (!refcount_dec_and_test(&ent->refcnt)) + return; + + if (ent->idx >= 0) + cmd_free_index(ent->cmd, ent->idx); + + cmd_free_ent(ent); +} + static struct mlx5_cmd_layout *get_inst(struct mlx5_cmd *cmd, int idx) { return cmd->cmd_buf + (idx << cmd->log_stride); @@ -219,11 +240,6 @@ static void poll_timeout(struct mlx5_cmd_work_ent *ent) ent->ret = -ETIMEDOUT; } -static void free_cmd(struct mlx5_cmd_work_ent *ent) -{ - kfree(ent); -} - static int verify_signature(struct mlx5_cmd_work_ent *ent) { struct mlx5_cmd_mailbox *next = ent->out->next; @@ -837,11 +853,22 @@ static void cb_timeout_handler(struct work_struct *work) struct mlx5_core_dev *dev = container_of(ent->cmd, struct mlx5_core_dev, cmd); + mlx5_cmd_eq_recover(dev); + + /* Maybe got handled by eq recover ? */ + if (!test_bit(MLX5_CMD_ENT_STATE_PENDING_COMP, &ent->state)) { + mlx5_core_warn(dev, "cmd[%d]: %s(0x%x) Async, recovered after timeout\n", ent->idx, + mlx5_command_str(msg_to_opcode(ent->in)), msg_to_opcode(ent->in)); + goto out; /* phew, already handled */ + } + ent->ret = -ETIMEDOUT; - mlx5_core_warn(dev, "%s(0x%x) timeout. Will cause a leak of a command resource\n", - mlx5_command_str(msg_to_opcode(ent->in)), - msg_to_opcode(ent->in)); + mlx5_core_warn(dev, "cmd[%d]: %s(0x%x) Async, timeout. Will cause a leak of a command resource\n", + ent->idx, mlx5_command_str(msg_to_opcode(ent->in)), msg_to_opcode(ent->in)); mlx5_cmd_comp_handler(dev, 1UL << ent->idx, true); + +out: + cmd_ent_put(ent); /* for the cmd_ent_get() took on schedule delayed work */ } static void free_msg(struct mlx5_core_dev *dev, struct mlx5_cmd_msg *msg); @@ -856,6 +883,32 @@ static bool opcode_allowed(struct mlx5_cmd *cmd, u16 opcode) return cmd->allowed_opcode == opcode; } +static int cmd_alloc_index_retry(struct mlx5_cmd *cmd) +{ + unsigned long alloc_end = jiffies + msecs_to_jiffies(1000); + int idx; + +retry: + idx = cmd_alloc_index(cmd); + if (idx < 0 && time_before(jiffies, alloc_end)) { + /* Index allocation can fail on heavy load of commands. This is a temporary + * situation as the current command already holds the semaphore, meaning that + * another command completion is being handled and it is expected to release + * the entry index soon. + */ + cpu_relax(); + goto retry; + } + return idx; +} + +bool mlx5_cmd_is_down(struct mlx5_core_dev *dev) +{ + return pci_channel_offline(dev->pdev) || + dev->cmd.state != MLX5_CMDIF_STATE_UP || + dev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR; +} + static void cmd_work_handler(struct work_struct *work) { struct mlx5_cmd_work_ent *ent = container_of(work, struct mlx5_cmd_work_ent, work); @@ -873,14 +926,14 @@ static void cmd_work_handler(struct work_struct *work) sem = ent->page_queue ? &cmd->pages_sem : &cmd->sem; down(sem); if (!ent->page_queue) { - alloc_ret = alloc_ent(cmd); + alloc_ret = cmd_alloc_index_retry(cmd); if (alloc_ret < 0) { mlx5_core_err_rl(dev, "failed to allocate command entry\n"); if (ent->callback) { ent->callback(-EAGAIN, ent->context); mlx5_free_cmd_msg(dev, ent->out); free_msg(dev, ent->in); - free_cmd(ent); + cmd_ent_put(ent); } else { ent->ret = -EAGAIN; complete(&ent->done); @@ -916,15 +969,12 @@ static void cmd_work_handler(struct work_struct *work) ent->ts1 = ktime_get_ns(); cmd_mode = cmd->mode; - if (ent->callback) - schedule_delayed_work(&ent->cb_timeout_work, cb_timeout); + if (ent->callback && schedule_delayed_work(&ent->cb_timeout_work, cb_timeout)) + cmd_ent_get(ent); set_bit(MLX5_CMD_ENT_STATE_PENDING_COMP, &ent->state); /* Skip sending command to fw if internal error */ - if (pci_channel_offline(dev->pdev) || - dev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR || - cmd->state != MLX5_CMDIF_STATE_UP || - !opcode_allowed(&dev->cmd, ent->op)) { + if (mlx5_cmd_is_down(dev) || !opcode_allowed(&dev->cmd, ent->op)) { u8 status = 0; u32 drv_synd; @@ -933,13 +983,10 @@ static void cmd_work_handler(struct work_struct *work) MLX5_SET(mbox_out, ent->out, syndrome, drv_synd); mlx5_cmd_comp_handler(dev, 1UL << ent->idx, true); - /* no doorbell, no need to keep the entry */ - free_ent(cmd, ent->idx); - if (ent->callback) - free_cmd(ent); return; } + cmd_ent_get(ent); /* for the _real_ FW event on completion */ /* ring doorbell after the descriptor is valid */ mlx5_core_dbg(dev, "writing 0x%x to command doorbell\n", 1 << ent->idx); wmb(); @@ -983,6 +1030,35 @@ static const char *deliv_status_to_str(u8 status) } } +enum { + MLX5_CMD_TIMEOUT_RECOVER_MSEC = 5 * 1000, +}; + +static void wait_func_handle_exec_timeout(struct mlx5_core_dev *dev, + struct mlx5_cmd_work_ent *ent) +{ + unsigned long timeout = msecs_to_jiffies(MLX5_CMD_TIMEOUT_RECOVER_MSEC); + + mlx5_cmd_eq_recover(dev); + + /* Re-wait on the ent->done after executing the recovery flow. If the + * recovery flow (or any other recovery flow running simultaneously) + * has recovered an EQE, it should cause the entry to be completed by + * the command interface. + */ + if (wait_for_completion_timeout(&ent->done, timeout)) { + mlx5_core_warn(dev, "cmd[%d]: %s(0x%x) recovered after timeout\n", ent->idx, + mlx5_command_str(msg_to_opcode(ent->in)), msg_to_opcode(ent->in)); + return; + } + + mlx5_core_warn(dev, "cmd[%d]: %s(0x%x) No done completion\n", ent->idx, + mlx5_command_str(msg_to_opcode(ent->in)), msg_to_opcode(ent->in)); + + ent->ret = -ETIMEDOUT; + mlx5_cmd_comp_handler(dev, 1UL << ent->idx, true); +} + static int wait_func(struct mlx5_core_dev *dev, struct mlx5_cmd_work_ent *ent) { unsigned long timeout = msecs_to_jiffies(MLX5_CMD_TIMEOUT_MSEC); @@ -994,12 +1070,10 @@ static int wait_func(struct mlx5_core_dev *dev, struct mlx5_cmd_work_ent *ent) ent->ret = -ECANCELED; goto out_err; } - if (cmd->mode == CMD_MODE_POLLING || ent->polling) { + if (cmd->mode == CMD_MODE_POLLING || ent->polling) wait_for_completion(&ent->done); - } else if (!wait_for_completion_timeout(&ent->done, timeout)) { - ent->ret = -ETIMEDOUT; - mlx5_cmd_comp_handler(dev, 1UL << ent->idx, true); - } + else if (!wait_for_completion_timeout(&ent->done, timeout)) + wait_func_handle_exec_timeout(dev, ent); out_err: err = ent->ret; @@ -1039,11 +1113,16 @@ static int mlx5_cmd_invoke(struct mlx5_core_dev *dev, struct mlx5_cmd_msg *in, if (callback && page_queue) return -EINVAL; - ent = alloc_cmd(cmd, in, out, uout, uout_size, callback, context, - page_queue); + ent = cmd_alloc_ent(cmd, in, out, uout, uout_size, + callback, context, page_queue); if (IS_ERR(ent)) return PTR_ERR(ent); + /* put for this ent is when consumed, depending on the use case + * 1) (!callback) blocking flow: by caller after wait_func completes + * 2) (callback) flow: by mlx5_cmd_comp_handler() when ent is handled + */ + ent->token = token; ent->polling = force_polling; @@ -1062,12 +1141,10 @@ static int mlx5_cmd_invoke(struct mlx5_core_dev *dev, struct mlx5_cmd_msg *in, } if (callback) - goto out; + goto out; /* mlx5_cmd_comp_handler() will put(ent) */ err = wait_func(dev, ent); - if (err == -ETIMEDOUT) - goto out; - if (err == -ECANCELED) + if (err == -ETIMEDOUT || err == -ECANCELED) goto out_free; ds = ent->ts2 - ent->ts1; @@ -1085,7 +1162,7 @@ static int mlx5_cmd_invoke(struct mlx5_core_dev *dev, struct mlx5_cmd_msg *in, *status = ent->status; out_free: - free_cmd(ent); + cmd_ent_put(ent); out: return err; } @@ -1516,14 +1593,19 @@ static void mlx5_cmd_comp_handler(struct mlx5_core_dev *dev, u64 vec, bool force if (!forced) { mlx5_core_err(dev, "Command completion arrived after timeout (entry idx = %d).\n", ent->idx); - free_ent(cmd, ent->idx); - free_cmd(ent); + cmd_ent_put(ent); } continue; } - if (ent->callback) - cancel_delayed_work(&ent->cb_timeout_work); + if (ent->callback && cancel_delayed_work(&ent->cb_timeout_work)) + cmd_ent_put(ent); /* timeout work was canceled */ + + if (!forced || /* Real FW completion */ + pci_channel_offline(dev->pdev) || /* FW is inaccessible */ + dev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR) + cmd_ent_put(ent); + if (ent->page_queue) sem = &cmd->pages_sem; else @@ -1545,10 +1627,6 @@ static void mlx5_cmd_comp_handler(struct mlx5_core_dev *dev, u64 vec, bool force ent->ret, deliv_status_to_str(ent->status), ent->status); } - /* only real completion will free the entry slot */ - if (!forced) - free_ent(cmd, ent->idx); - if (ent->callback) { ds = ent->ts2 - ent->ts1; if (ent->op < MLX5_CMD_OP_MAX) { @@ -1576,10 +1654,13 @@ static void mlx5_cmd_comp_handler(struct mlx5_core_dev *dev, u64 vec, bool force free_msg(dev, ent->in); err = err ? err : ent->status; - if (!forced) - free_cmd(ent); + /* final consumer is done, release ent */ + cmd_ent_put(ent); callback(err, context); } else { + /* release wait_func() so mlx5_cmd_invoke() + * can make the final ent_put() + */ complete(&ent->done); } up(sem); @@ -1589,8 +1670,11 @@ static void mlx5_cmd_comp_handler(struct mlx5_core_dev *dev, u64 vec, bool force void mlx5_cmd_trigger_completions(struct mlx5_core_dev *dev) { + struct mlx5_cmd *cmd = &dev->cmd; + unsigned long bitmask; unsigned long flags; u64 vector; + int i; /* wait for pending handlers to complete */ mlx5_eq_synchronize_cmd_irq(dev); @@ -1599,11 +1683,20 @@ void mlx5_cmd_trigger_completions(struct mlx5_core_dev *dev) if (!vector) goto no_trig; + bitmask = vector; + /* we must increment the allocated entries refcount before triggering the completions + * to guarantee pending commands will not get freed in the meanwhile. + * For that reason, it also has to be done inside the alloc_lock. + */ + for_each_set_bit(i, &bitmask, (1 << cmd->log_sz)) + cmd_ent_get(cmd->ent_arr[i]); vector |= MLX5_TRIGGERED_CMD_COMP; spin_unlock_irqrestore(&dev->cmd.alloc_lock, flags); mlx5_core_dbg(dev, "vector 0x%llx\n", vector); mlx5_cmd_comp_handler(dev, vector, true); + for_each_set_bit(i, &bitmask, (1 << cmd->log_sz)) + cmd_ent_put(cmd->ent_arr[i]); return; no_trig: @@ -1711,10 +1804,7 @@ static int cmd_exec(struct mlx5_core_dev *dev, void *in, int in_size, void *out, u8 token; opcode = MLX5_GET(mbox_in, in, opcode); - if (pci_channel_offline(dev->pdev) || - dev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR || - dev->cmd.state != MLX5_CMDIF_STATE_UP || - !opcode_allowed(&dev->cmd, opcode)) { + if (mlx5_cmd_is_down(dev) || !opcode_allowed(&dev->cmd, opcode)) { err = mlx5_internal_err_ret_value(dev, opcode, &drv_synd, &status); MLX5_SET(mbox_out, out, status, status); MLX5_SET(mbox_out, out, syndrome, drv_synd); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en.h b/drivers/net/ethernet/mellanox/mlx5/core/en.h index 0cc2080fd847b6..356f5852955fd5 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en.h @@ -91,7 +91,12 @@ struct page_pool; #define MLX5_MPWRQ_PAGES_PER_WQE BIT(MLX5_MPWRQ_WQE_PAGE_ORDER) #define MLX5_MTT_OCTW(npages) (ALIGN(npages, 8) / 2) -#define MLX5E_REQUIRED_WQE_MTTS (ALIGN(MLX5_MPWRQ_PAGES_PER_WQE, 8)) +/* Add another page to MLX5E_REQUIRED_WQE_MTTS as a buffer between + * WQEs, This page will absorb write overflow by the hardware, when + * receiving packets larger than MTU. These oversize packets are + * dropped by the driver at a later stage. + */ +#define MLX5E_REQUIRED_WQE_MTTS (ALIGN(MLX5_MPWRQ_PAGES_PER_WQE + 1, 8)) #define MLX5E_LOG_ALIGNED_MPWQE_PPW (ilog2(MLX5E_REQUIRED_WQE_MTTS)) #define MLX5E_REQUIRED_MTTS(wqes) (wqes * MLX5E_REQUIRED_WQE_MTTS) #define MLX5E_MAX_RQ_NUM_MTTS \ @@ -600,7 +605,7 @@ struct mlx5e_rq { struct dim dim; /* Dynamic Interrupt Moderation */ /* XDP */ - struct bpf_prog *xdp_prog; + struct bpf_prog __rcu *xdp_prog; struct mlx5e_xdpsq *xdpsq; DECLARE_BITMAP(flags, 8); struct page_pool *page_pool; @@ -617,6 +622,7 @@ struct mlx5e_rq { u32 rqn; struct mlx5_core_dev *mdev; struct mlx5_core_mkey umr_mkey; + struct mlx5e_dma_info wqe_overflow; /* XDP read-mostly */ struct xdp_rxq_info xdp_rxq; @@ -1005,7 +1011,6 @@ int mlx5e_update_nic_rx(struct mlx5e_priv *priv); void mlx5e_update_carrier(struct mlx5e_priv *priv); int mlx5e_close(struct net_device *netdev); int mlx5e_open(struct net_device *netdev); -void mlx5e_update_ndo_stats(struct mlx5e_priv *priv); void mlx5e_queue_update_stats(struct mlx5e_priv *priv); int mlx5e_bits_invert(unsigned long a, int size); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/monitor_stats.c b/drivers/net/ethernet/mellanox/mlx5/core/en/monitor_stats.c index 8fe8b4d6ad1c10..254c8473904643 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/monitor_stats.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/monitor_stats.c @@ -51,7 +51,7 @@ static void mlx5e_monitor_counters_work(struct work_struct *work) monitor_counters_work); mutex_lock(&priv->state_lock); - mlx5e_update_ndo_stats(priv); + mlx5e_stats_update_ndo_stats(priv); mutex_unlock(&priv->state_lock); mlx5e_monitor_counter_arm(priv); } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/port.c b/drivers/net/ethernet/mellanox/mlx5/core/en/port.c index 5de1cb9f53308c..308fd279669ece 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/port.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/port.c @@ -490,11 +490,8 @@ bool mlx5e_fec_in_caps(struct mlx5_core_dev *dev, int fec_policy) int err; int i; - if (!MLX5_CAP_GEN(dev, pcam_reg)) - return -EOPNOTSUPP; - - if (!MLX5_CAP_PCAM_REG(dev, pplm)) - return -EOPNOTSUPP; + if (!MLX5_CAP_GEN(dev, pcam_reg) || !MLX5_CAP_PCAM_REG(dev, pplm)) + return false; MLX5_SET(pplm_reg, in, local_port, 1); err = mlx5_core_access_reg(dev, in, sz, out, sz, MLX5_REG_PPLM, 0, 0); @@ -572,6 +569,9 @@ int mlx5e_set_fec_mode(struct mlx5_core_dev *dev, u16 fec_policy) if (fec_policy >= (1 << MLX5E_FEC_LLRS_272_257_1) && !fec_50g_per_lane) return -EOPNOTSUPP; + if (fec_policy && !mlx5e_fec_in_caps(dev, fec_policy)) + return -EOPNOTSUPP; + MLX5_SET(pplm_reg, in, local_port, 1); err = mlx5_core_access_reg(dev, in, sz, out, sz, MLX5_REG_PPLM, 0, 0); if (err) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/rep/neigh.c b/drivers/net/ethernet/mellanox/mlx5/core/en/rep/neigh.c index 90629203508875..58e27038c947bd 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/rep/neigh.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/rep/neigh.c @@ -110,11 +110,25 @@ static void mlx5e_rep_neigh_stats_work(struct work_struct *work) rtnl_unlock(); } +struct neigh_update_work { + struct work_struct work; + struct neighbour *n; + struct mlx5e_neigh_hash_entry *nhe; +}; + +static void mlx5e_release_neigh_update_work(struct neigh_update_work *update_work) +{ + neigh_release(update_work->n); + mlx5e_rep_neigh_entry_release(update_work->nhe); + kfree(update_work); +} + static void mlx5e_rep_neigh_update(struct work_struct *work) { - struct mlx5e_neigh_hash_entry *nhe = - container_of(work, struct mlx5e_neigh_hash_entry, neigh_update_work); - struct neighbour *n = nhe->n; + struct neigh_update_work *update_work = container_of(work, struct neigh_update_work, + work); + struct mlx5e_neigh_hash_entry *nhe = update_work->nhe; + struct neighbour *n = update_work->n; struct mlx5e_encap_entry *e; unsigned char ha[ETH_ALEN]; struct mlx5e_priv *priv; @@ -146,30 +160,42 @@ static void mlx5e_rep_neigh_update(struct work_struct *work) mlx5e_rep_update_flows(priv, e, neigh_connected, ha); mlx5e_encap_put(priv, e); } - mlx5e_rep_neigh_entry_release(nhe); rtnl_unlock(); - neigh_release(n); + mlx5e_release_neigh_update_work(update_work); } -static void mlx5e_rep_queue_neigh_update_work(struct mlx5e_priv *priv, - struct mlx5e_neigh_hash_entry *nhe, - struct neighbour *n) +static struct neigh_update_work *mlx5e_alloc_neigh_update_work(struct mlx5e_priv *priv, + struct neighbour *n) { - /* Take a reference to ensure the neighbour and mlx5 encap - * entry won't be destructed until we drop the reference in - * delayed work. - */ - neigh_hold(n); + struct neigh_update_work *update_work; + struct mlx5e_neigh_hash_entry *nhe; + struct mlx5e_neigh m_neigh = {}; - /* This assignment is valid as long as the the neigh reference - * is taken - */ - nhe->n = n; + update_work = kzalloc(sizeof(*update_work), GFP_ATOMIC); + if (WARN_ON(!update_work)) + return NULL; - if (!queue_work(priv->wq, &nhe->neigh_update_work)) { - mlx5e_rep_neigh_entry_release(nhe); - neigh_release(n); + m_neigh.dev = n->dev; + m_neigh.family = n->ops->family; + memcpy(&m_neigh.dst_ip, n->primary_key, n->tbl->key_len); + + /* Obtain reference to nhe as last step in order not to release it in + * atomic context. + */ + rcu_read_lock(); + nhe = mlx5e_rep_neigh_entry_lookup(priv, &m_neigh); + rcu_read_unlock(); + if (!nhe) { + kfree(update_work); + return NULL; } + + INIT_WORK(&update_work->work, mlx5e_rep_neigh_update); + neigh_hold(n); + update_work->n = n; + update_work->nhe = nhe; + + return update_work; } static int mlx5e_rep_netevent_event(struct notifier_block *nb, @@ -181,7 +207,7 @@ static int mlx5e_rep_netevent_event(struct notifier_block *nb, struct net_device *netdev = rpriv->netdev; struct mlx5e_priv *priv = netdev_priv(netdev); struct mlx5e_neigh_hash_entry *nhe = NULL; - struct mlx5e_neigh m_neigh = {}; + struct neigh_update_work *update_work; struct neigh_parms *p; struct neighbour *n; bool found = false; @@ -196,17 +222,11 @@ static int mlx5e_rep_netevent_event(struct notifier_block *nb, #endif return NOTIFY_DONE; - m_neigh.dev = n->dev; - m_neigh.family = n->ops->family; - memcpy(&m_neigh.dst_ip, n->primary_key, n->tbl->key_len); - - rcu_read_lock(); - nhe = mlx5e_rep_neigh_entry_lookup(priv, &m_neigh); - rcu_read_unlock(); - if (!nhe) + update_work = mlx5e_alloc_neigh_update_work(priv, n); + if (!update_work) return NOTIFY_DONE; - mlx5e_rep_queue_neigh_update_work(priv, nhe, n); + queue_work(priv->wq, &update_work->work); break; case NETEVENT_DELAY_PROBE_TIME_UPDATE: @@ -352,7 +372,6 @@ int mlx5e_rep_neigh_entry_create(struct mlx5e_priv *priv, (*nhe)->priv = priv; memcpy(&(*nhe)->m_neigh, &e->m_neigh, sizeof(e->m_neigh)); - INIT_WORK(&(*nhe)->neigh_update_work, mlx5e_rep_neigh_update); spin_lock_init(&(*nhe)->encap_list_lock); INIT_LIST_HEAD(&(*nhe)->encap_list); refcount_set(&(*nhe)->refcnt, 1); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/tc_ct.c b/drivers/net/ethernet/mellanox/mlx5/core/en/tc_ct.c index c6bc9224c3b18f..a8be40cbe32530 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/tc_ct.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/tc_ct.c @@ -246,8 +246,10 @@ mlx5_tc_ct_rule_to_tuple_nat(struct mlx5_ct_tuple *tuple, case FLOW_ACT_MANGLE_HDR_TYPE_IP6: ip6_offset = (offset - offsetof(struct ipv6hdr, saddr)); ip6_offset /= 4; - if (ip6_offset < 8) + if (ip6_offset < 4) tuple->ip.src_v6.s6_addr32[ip6_offset] = cpu_to_be32(val); + else if (ip6_offset < 8) + tuple->ip.dst_v6.s6_addr32[ip6_offset - 4] = cpu_to_be32(val); else return -EOPNOTSUPP; break; @@ -699,6 +701,7 @@ mlx5_tc_ct_entry_add_rule(struct mlx5_tc_ct_priv *ct_priv, err_rule: mlx5e_mod_hdr_detach(ct_priv->esw->dev, &esw->offloads.mod_hdr, zone_rule->mh); + mapping_remove(ct_priv->labels_mapping, attr->ct_attr.ct_labels_id); err_mod_hdr: kfree(spec); return err; @@ -958,12 +961,22 @@ mlx5_tc_ct_add_no_trk_match(struct mlx5e_priv *priv, return 0; } +void mlx5_tc_ct_match_del(struct mlx5e_priv *priv, struct mlx5_ct_attr *ct_attr) +{ + struct mlx5_tc_ct_priv *ct_priv = mlx5_tc_ct_get_ct_priv(priv); + + if (!ct_priv || !ct_attr->ct_labels_id) + return; + + mapping_remove(ct_priv->labels_mapping, ct_attr->ct_labels_id); +} + int -mlx5_tc_ct_parse_match(struct mlx5e_priv *priv, - struct mlx5_flow_spec *spec, - struct flow_cls_offload *f, - struct mlx5_ct_attr *ct_attr, - struct netlink_ext_ack *extack) +mlx5_tc_ct_match_add(struct mlx5e_priv *priv, + struct mlx5_flow_spec *spec, + struct flow_cls_offload *f, + struct mlx5_ct_attr *ct_attr, + struct netlink_ext_ack *extack) { struct mlx5_tc_ct_priv *ct_priv = mlx5_tc_ct_get_ct_priv(priv); struct flow_rule *rule = flow_cls_offload_flow_rule(f); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/tc_ct.h b/drivers/net/ethernet/mellanox/mlx5/core/en/tc_ct.h index 3baef917a677ad..708c216325d3a4 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/tc_ct.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/tc_ct.h @@ -87,12 +87,15 @@ mlx5_tc_ct_init(struct mlx5_rep_uplink_priv *uplink_priv); void mlx5_tc_ct_clean(struct mlx5_rep_uplink_priv *uplink_priv); +void +mlx5_tc_ct_match_del(struct mlx5e_priv *priv, struct mlx5_ct_attr *ct_attr); + int -mlx5_tc_ct_parse_match(struct mlx5e_priv *priv, - struct mlx5_flow_spec *spec, - struct flow_cls_offload *f, - struct mlx5_ct_attr *ct_attr, - struct netlink_ext_ack *extack); +mlx5_tc_ct_match_add(struct mlx5e_priv *priv, + struct mlx5_flow_spec *spec, + struct flow_cls_offload *f, + struct mlx5_ct_attr *ct_attr, + struct netlink_ext_ack *extack); int mlx5_tc_ct_add_no_trk_match(struct mlx5e_priv *priv, struct mlx5_flow_spec *spec); @@ -130,12 +133,15 @@ mlx5_tc_ct_clean(struct mlx5_rep_uplink_priv *uplink_priv) { } +static inline void +mlx5_tc_ct_match_del(struct mlx5e_priv *priv, struct mlx5_ct_attr *ct_attr) {} + static inline int -mlx5_tc_ct_parse_match(struct mlx5e_priv *priv, - struct mlx5_flow_spec *spec, - struct flow_cls_offload *f, - struct mlx5_ct_attr *ct_attr, - struct netlink_ext_ack *extack) +mlx5_tc_ct_match_add(struct mlx5e_priv *priv, + struct mlx5_flow_spec *spec, + struct flow_cls_offload *f, + struct mlx5_ct_attr *ct_attr, + struct netlink_ext_ack *extack) { struct flow_rule *rule = flow_cls_offload_flow_rule(f); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/txrx.h b/drivers/net/ethernet/mellanox/mlx5/core/en/txrx.h index 9334c9c3e208b1..24336c60123ac3 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/txrx.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/txrx.h @@ -20,6 +20,11 @@ enum mlx5e_icosq_wqe_type { }; /* General */ +static inline bool mlx5e_skb_is_multicast(struct sk_buff *skb) +{ + return skb->pkt_type == PACKET_MULTICAST || skb->pkt_type == PACKET_BROADCAST; +} + void mlx5e_trigger_irq(struct mlx5e_icosq *sq); void mlx5e_completion_event(struct mlx5_core_cq *mcq, struct mlx5_eqe *eqe); void mlx5e_cq_error_event(struct mlx5_core_cq *mcq, enum mlx5_event event); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c b/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c index 0e6946fc121f07..b28df21981a134 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c @@ -122,7 +122,7 @@ mlx5e_xmit_xdp_buff(struct mlx5e_xdpsq *sq, struct mlx5e_rq *rq, bool mlx5e_xdp_handle(struct mlx5e_rq *rq, struct mlx5e_dma_info *di, u32 *len, struct xdp_buff *xdp) { - struct bpf_prog *prog = READ_ONCE(rq->xdp_prog); + struct bpf_prog *prog = rcu_dereference(rq->xdp_prog); u32 act; int err; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/rx.c b/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/rx.c index a33a1f762c70db..40db27bf790bb2 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/rx.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/rx.c @@ -31,7 +31,6 @@ struct sk_buff *mlx5e_xsk_skb_from_cqe_mpwrq_linear(struct mlx5e_rq *rq, { struct xdp_buff *xdp = wi->umr.dma_info[page_idx].xsk; u32 cqe_bcnt32 = cqe_bcnt; - bool consumed; /* Check packet size. Note LRO doesn't use linear SKB */ if (unlikely(cqe_bcnt > rq->hw_mtu)) { @@ -51,10 +50,6 @@ struct sk_buff *mlx5e_xsk_skb_from_cqe_mpwrq_linear(struct mlx5e_rq *rq, xsk_buff_dma_sync_for_cpu(xdp); prefetch(xdp->data); - rcu_read_lock(); - consumed = mlx5e_xdp_handle(rq, NULL, &cqe_bcnt32, xdp); - rcu_read_unlock(); - /* Possible flows: * - XDP_REDIRECT to XSKMAP: * The page is owned by the userspace from now. @@ -70,7 +65,7 @@ struct sk_buff *mlx5e_xsk_skb_from_cqe_mpwrq_linear(struct mlx5e_rq *rq, * allocated first from the Reuse Ring, so it has enough space. */ - if (likely(consumed)) { + if (likely(mlx5e_xdp_handle(rq, NULL, &cqe_bcnt32, xdp))) { if (likely(__test_and_clear_bit(MLX5E_RQ_FLAG_XDP_XMIT, rq->flags))) __set_bit(page_idx, wi->xdp_xmit_bitmap); /* non-atomic */ return NULL; /* page/packet was consumed by XDP */ @@ -88,7 +83,6 @@ struct sk_buff *mlx5e_xsk_skb_from_cqe_linear(struct mlx5e_rq *rq, u32 cqe_bcnt) { struct xdp_buff *xdp = wi->di->xsk; - bool consumed; /* wi->offset is not used in this function, because xdp->data and the * DMA address point directly to the necessary place. Furthermore, the @@ -107,11 +101,7 @@ struct sk_buff *mlx5e_xsk_skb_from_cqe_linear(struct mlx5e_rq *rq, return NULL; } - rcu_read_lock(); - consumed = mlx5e_xdp_handle(rq, NULL, &cqe_bcnt, xdp); - rcu_read_unlock(); - - if (likely(consumed)) + if (likely(mlx5e_xdp_handle(rq, NULL, &cqe_bcnt, xdp))) return NULL; /* page/packet was consumed by XDP */ /* XDP_PASS: copy the data from the UMEM to a new SKB. The frame reuse diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/setup.c b/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/setup.c index dd9df519d383b5..55e65a438de70f 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/setup.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/setup.c @@ -106,8 +106,7 @@ err_free_cparam: void mlx5e_close_xsk(struct mlx5e_channel *c) { clear_bit(MLX5E_CHANNEL_STATE_XSK, c->state); - napi_synchronize(&c->napi); - synchronize_rcu(); /* Sync with the XSK wakeup. */ + synchronize_rcu(); /* Sync with the XSK wakeup and with NAPI. */ mlx5e_close_rq(&c->xskrq); mlx5e_close_cq(&c->xskrq.cq); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_rx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_rx.c index acf6d80a6bb7b1..6bbfcf18107d22 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_rx.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_rx.c @@ -234,7 +234,7 @@ mlx5e_get_ktls_rx_priv_ctx(struct tls_context *tls_ctx) /* Re-sync */ /* Runs in work context */ -static struct mlx5_wqe_ctrl_seg * +static int resync_post_get_progress_params(struct mlx5e_icosq *sq, struct mlx5e_ktls_offload_context_rx *priv_rx) { @@ -258,15 +258,19 @@ resync_post_get_progress_params(struct mlx5e_icosq *sq, PROGRESS_PARAMS_PADDED_SIZE, DMA_FROM_DEVICE); if (unlikely(dma_mapping_error(pdev, buf->dma_addr))) { err = -ENOMEM; - goto err_out; + goto err_free; } buf->priv_rx = priv_rx; BUILD_BUG_ON(MLX5E_KTLS_GET_PROGRESS_WQEBBS != 1); + + spin_lock(&sq->channel->async_icosq_lock); + if (unlikely(!mlx5e_wqc_has_room_for(&sq->wq, sq->cc, sq->pc, 1))) { + spin_unlock(&sq->channel->async_icosq_lock); err = -ENOSPC; - goto err_out; + goto err_dma_unmap; } pi = mlx5e_icosq_get_next_pi(sq, 1); @@ -294,12 +298,18 @@ resync_post_get_progress_params(struct mlx5e_icosq *sq, }; icosq_fill_wi(sq, pi, &wi); sq->pc++; + mlx5e_notify_hw(&sq->wq, sq->pc, sq->uar_map, cseg); + spin_unlock(&sq->channel->async_icosq_lock); - return cseg; + return 0; +err_dma_unmap: + dma_unmap_single(pdev, buf->dma_addr, PROGRESS_PARAMS_PADDED_SIZE, DMA_FROM_DEVICE); +err_free: + kfree(buf); err_out: priv_rx->stats->tls_resync_req_skip++; - return ERR_PTR(err); + return err; } /* Function is called with elevated refcount. @@ -309,10 +319,8 @@ static void resync_handle_work(struct work_struct *work) { struct mlx5e_ktls_offload_context_rx *priv_rx; struct mlx5e_ktls_rx_resync_ctx *resync; - struct mlx5_wqe_ctrl_seg *cseg; struct mlx5e_channel *c; struct mlx5e_icosq *sq; - struct mlx5_wq_cyc *wq; resync = container_of(work, struct mlx5e_ktls_rx_resync_ctx, work); priv_rx = container_of(resync, struct mlx5e_ktls_offload_context_rx, resync); @@ -324,18 +332,9 @@ static void resync_handle_work(struct work_struct *work) c = resync->priv->channels.c[priv_rx->rxq]; sq = &c->async_icosq; - wq = &sq->wq; - - spin_lock(&c->async_icosq_lock); - cseg = resync_post_get_progress_params(sq, priv_rx); - if (IS_ERR(cseg)) { + if (resync_post_get_progress_params(sq, priv_rx)) refcount_dec(&resync->refcnt); - goto unlock; - } - mlx5e_notify_hw(wq, sq->pc, sq->uar_map, cseg); -unlock: - spin_unlock(&c->async_icosq_lock); } static void resync_init(struct mlx5e_ktls_rx_resync_ctx *resync, @@ -386,16 +385,17 @@ void mlx5e_ktls_handle_get_psv_completion(struct mlx5e_icosq_wqe_info *wi, struct mlx5e_ktls_offload_context_rx *priv_rx; struct mlx5e_ktls_rx_resync_ctx *resync; u8 tracker_state, auth_state, *ctx; + struct device *dev; u32 hw_seq; priv_rx = buf->priv_rx; resync = &priv_rx->resync; - + dev = resync->priv->mdev->device; if (unlikely(test_bit(MLX5E_PRIV_RX_FLAG_DELETING, priv_rx->flags))) goto out; - dma_sync_single_for_cpu(resync->priv->mdev->device, buf->dma_addr, - PROGRESS_PARAMS_PADDED_SIZE, DMA_FROM_DEVICE); + dma_sync_single_for_cpu(dev, buf->dma_addr, PROGRESS_PARAMS_PADDED_SIZE, + DMA_FROM_DEVICE); ctx = buf->progress.ctx; tracker_state = MLX5_GET(tls_progress_params, ctx, record_tracker_state); @@ -411,6 +411,7 @@ void mlx5e_ktls_handle_get_psv_completion(struct mlx5e_icosq_wqe_info *wi, priv_rx->stats->tls_resync_req_end++; out: refcount_dec(&resync->refcnt); + dma_unmap_single(dev, buf->dma_addr, PROGRESS_PARAMS_PADDED_SIZE, DMA_FROM_DEVICE); kfree(buf); } @@ -659,7 +660,7 @@ void mlx5e_ktls_del_rx(struct net_device *netdev, struct tls_context *tls_ctx) priv_rx = mlx5e_get_ktls_rx_priv_ctx(tls_ctx); set_bit(MLX5E_PRIV_RX_FLAG_DELETING, priv_rx->flags); mlx5e_set_ktls_rx_priv_ctx(tls_ctx, NULL); - napi_synchronize(&priv->channels.c[priv_rx->rxq]->napi); + synchronize_rcu(); /* Sync with NAPI */ if (!cancel_work_sync(&priv_rx->rule.work)) /* completion is needed, as the priv_rx in the add flow * is maintained on the wqe info (wi), not on the socket. diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls_stats.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls_stats.c index 01468ec2744660..b949b9a7538b0d 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls_stats.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls_stats.c @@ -35,7 +35,6 @@ #include <net/sock.h> #include "en.h" -#include "accel/tls.h" #include "fpga/sdk.h" #include "en_accel/tls.h" @@ -51,9 +50,14 @@ static const struct counter_desc mlx5e_tls_sw_stats_desc[] = { #define NUM_TLS_SW_COUNTERS ARRAY_SIZE(mlx5e_tls_sw_stats_desc) +static bool is_tls_atomic_stats(struct mlx5e_priv *priv) +{ + return priv->tls && !mlx5_accel_is_ktls_device(priv->mdev); +} + int mlx5e_tls_get_count(struct mlx5e_priv *priv) { - if (!priv->tls) + if (!is_tls_atomic_stats(priv)) return 0; return NUM_TLS_SW_COUNTERS; @@ -63,7 +67,7 @@ int mlx5e_tls_get_strings(struct mlx5e_priv *priv, uint8_t *data) { unsigned int i, idx = 0; - if (!priv->tls) + if (!is_tls_atomic_stats(priv)) return 0; for (i = 0; i < NUM_TLS_SW_COUNTERS; i++) @@ -77,7 +81,7 @@ int mlx5e_tls_get_stats(struct mlx5e_priv *priv, u64 *data) { int i, idx = 0; - if (!priv->tls) + if (!is_tls_atomic_stats(priv)) return 0; for (i = 0; i < NUM_TLS_SW_COUNTERS; i++) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_fs.c b/drivers/net/ethernet/mellanox/mlx5/core/en_fs.c index 64d002d9225071..1f48f99c0997d9 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_fs.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_fs.c @@ -217,6 +217,9 @@ static int __mlx5e_add_vlan_rule(struct mlx5e_priv *priv, break; } + if (WARN_ONCE(*rule_p, "VLAN rule already exists type %d", rule_type)) + return 0; + *rule_p = mlx5_add_flow_rules(ft, spec, &flow_act, &dest, 1); if (IS_ERR(*rule_p)) { @@ -397,8 +400,7 @@ static void mlx5e_add_vlan_rules(struct mlx5e_priv *priv) for_each_set_bit(i, priv->fs.vlan.active_svlans, VLAN_N_VID) mlx5e_add_vlan_rule(priv, MLX5E_VLAN_RULE_TYPE_MATCH_STAG_VID, i); - if (priv->fs.vlan.cvlan_filter_disabled && - !(priv->netdev->flags & IFF_PROMISC)) + if (priv->fs.vlan.cvlan_filter_disabled) mlx5e_add_any_vid_rules(priv); } @@ -415,8 +417,12 @@ static void mlx5e_del_vlan_rules(struct mlx5e_priv *priv) for_each_set_bit(i, priv->fs.vlan.active_svlans, VLAN_N_VID) mlx5e_del_vlan_rule(priv, MLX5E_VLAN_RULE_TYPE_MATCH_STAG_VID, i); - if (priv->fs.vlan.cvlan_filter_disabled && - !(priv->netdev->flags & IFF_PROMISC)) + WARN_ON_ONCE(!(test_bit(MLX5E_STATE_DESTROYING, &priv->state))); + + /* must be called after DESTROY bit is set and + * set_rx_mode is called and flushed + */ + if (priv->fs.vlan.cvlan_filter_disabled) mlx5e_del_any_vid_rules(priv); } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c index aebcf73f8546d0..42ec28e2983483 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c @@ -158,16 +158,6 @@ static void mlx5e_update_carrier_work(struct work_struct *work) mutex_unlock(&priv->state_lock); } -void mlx5e_update_ndo_stats(struct mlx5e_priv *priv) -{ - int i; - - for (i = mlx5e_nic_stats_grps_num(priv) - 1; i >= 0; i--) - if (mlx5e_nic_stats_grps[i]->update_stats_mask & - MLX5E_NDO_UPDATE_STATS) - mlx5e_nic_stats_grps[i]->update_stats(priv); -} - static void mlx5e_update_stats_work(struct work_struct *work) { struct mlx5e_priv *priv = container_of(work, struct mlx5e_priv, @@ -256,12 +246,17 @@ static int mlx5e_rq_alloc_mpwqe_info(struct mlx5e_rq *rq, static int mlx5e_create_umr_mkey(struct mlx5_core_dev *mdev, u64 npages, u8 page_shift, - struct mlx5_core_mkey *umr_mkey) + struct mlx5_core_mkey *umr_mkey, + dma_addr_t filler_addr) { - int inlen = MLX5_ST_SZ_BYTES(create_mkey_in); + struct mlx5_mtt *mtt; + int inlen; void *mkc; u32 *in; int err; + int i; + + inlen = MLX5_ST_SZ_BYTES(create_mkey_in) + sizeof(*mtt) * npages; in = kvzalloc(inlen, GFP_KERNEL); if (!in) @@ -281,6 +276,18 @@ static int mlx5e_create_umr_mkey(struct mlx5_core_dev *mdev, MLX5_SET(mkc, mkc, translations_octword_size, MLX5_MTT_OCTW(npages)); MLX5_SET(mkc, mkc, log_page_size, page_shift); + MLX5_SET(create_mkey_in, in, translations_octword_actual_size, + MLX5_MTT_OCTW(npages)); + + /* Initialize the mkey with all MTTs pointing to a default + * page (filler_addr). When the channels are activated, UMR + * WQEs will redirect the RX WQEs to the actual memory from + * the RQ's pool, while the gaps (wqe_overflow) remain mapped + * to the default page. + */ + mtt = MLX5_ADDR_OF(create_mkey_in, in, klm_pas_mtt); + for (i = 0 ; i < npages ; i++) + mtt[i].ptag = cpu_to_be64(filler_addr); err = mlx5_core_create_mkey(mdev, umr_mkey, in, inlen); @@ -292,7 +299,8 @@ static int mlx5e_create_rq_umr_mkey(struct mlx5_core_dev *mdev, struct mlx5e_rq { u64 num_mtts = MLX5E_REQUIRED_MTTS(mlx5_wq_ll_get_size(&rq->mpwqe.wq)); - return mlx5e_create_umr_mkey(mdev, num_mtts, PAGE_SHIFT, &rq->umr_mkey); + return mlx5e_create_umr_mkey(mdev, num_mtts, PAGE_SHIFT, &rq->umr_mkey, + rq->wqe_overflow.addr); } static inline u64 mlx5e_get_mpwqe_offset(struct mlx5e_rq *rq, u16 wqe_ix) @@ -360,6 +368,28 @@ static void mlx5e_rq_err_cqe_work(struct work_struct *recover_work) mlx5e_reporter_rq_cqe_err(rq); } +static int mlx5e_alloc_mpwqe_rq_drop_page(struct mlx5e_rq *rq) +{ + rq->wqe_overflow.page = alloc_page(GFP_KERNEL); + if (!rq->wqe_overflow.page) + return -ENOMEM; + + rq->wqe_overflow.addr = dma_map_page(rq->pdev, rq->wqe_overflow.page, 0, + PAGE_SIZE, rq->buff.map_dir); + if (dma_mapping_error(rq->pdev, rq->wqe_overflow.addr)) { + __free_page(rq->wqe_overflow.page); + return -ENOMEM; + } + return 0; +} + +static void mlx5e_free_mpwqe_rq_drop_page(struct mlx5e_rq *rq) +{ + dma_unmap_page(rq->pdev, rq->wqe_overflow.addr, PAGE_SIZE, + rq->buff.map_dir); + __free_page(rq->wqe_overflow.page); +} + static int mlx5e_alloc_rq(struct mlx5e_channel *c, struct mlx5e_params *params, struct mlx5e_xsk_param *xsk, @@ -399,16 +429,16 @@ static int mlx5e_alloc_rq(struct mlx5e_channel *c, if (params->xdp_prog) bpf_prog_inc(params->xdp_prog); - rq->xdp_prog = params->xdp_prog; + RCU_INIT_POINTER(rq->xdp_prog, params->xdp_prog); rq_xdp_ix = rq->ix; if (xsk) rq_xdp_ix += params->num_channels * MLX5E_RQ_GROUP_XSK; err = xdp_rxq_info_reg(&rq->xdp_rxq, rq->netdev, rq_xdp_ix); if (err < 0) - goto err_rq_wq_destroy; + goto err_rq_xdp_prog; - rq->buff.map_dir = rq->xdp_prog ? DMA_BIDIRECTIONAL : DMA_FROM_DEVICE; + rq->buff.map_dir = params->xdp_prog ? DMA_BIDIRECTIONAL : DMA_FROM_DEVICE; rq->buff.headroom = mlx5e_get_rq_headroom(mdev, params, xsk); pool_size = 1 << params->log_rq_mtu_frames; @@ -417,6 +447,10 @@ static int mlx5e_alloc_rq(struct mlx5e_channel *c, err = mlx5_wq_ll_create(mdev, &rqp->wq, rqc_wq, &rq->mpwqe.wq, &rq->wq_ctrl); if (err) + goto err_rq_xdp; + + err = mlx5e_alloc_mpwqe_rq_drop_page(rq); + if (err) goto err_rq_wq_destroy; rq->mpwqe.wq.db = &rq->mpwqe.wq.db[MLX5_RCV_DBR]; @@ -434,18 +468,18 @@ static int mlx5e_alloc_rq(struct mlx5e_channel *c, err = mlx5e_create_rq_umr_mkey(mdev, rq); if (err) - goto err_rq_wq_destroy; + goto err_rq_drop_page; rq->mkey_be = cpu_to_be32(rq->umr_mkey.key); err = mlx5e_rq_alloc_mpwqe_info(rq, c); if (err) - goto err_free; + goto err_rq_mkey; break; default: /* MLX5_WQ_TYPE_CYCLIC */ err = mlx5_wq_cyc_create(mdev, &rqp->wq, rqc_wq, &rq->wqe.wq, &rq->wq_ctrl); if (err) - goto err_rq_wq_destroy; + goto err_rq_xdp; rq->wqe.wq.db = &rq->wqe.wq.db[MLX5_RCV_DBR]; @@ -460,19 +494,19 @@ static int mlx5e_alloc_rq(struct mlx5e_channel *c, GFP_KERNEL, cpu_to_node(c->cpu)); if (!rq->wqe.frags) { err = -ENOMEM; - goto err_free; + goto err_rq_wq_destroy; } err = mlx5e_init_di_list(rq, wq_sz, c->cpu); if (err) - goto err_free; + goto err_rq_frags; rq->mkey_be = c->mkey_be; } err = mlx5e_rq_set_handlers(rq, params, xsk); if (err) - goto err_free; + goto err_free_by_rq_type; if (xsk) { err = xdp_rxq_info_reg_mem_model(&rq->xdp_rxq, @@ -496,13 +530,13 @@ static int mlx5e_alloc_rq(struct mlx5e_channel *c, if (IS_ERR(rq->page_pool)) { err = PTR_ERR(rq->page_pool); rq->page_pool = NULL; - goto err_free; + goto err_free_by_rq_type; } err = xdp_rxq_info_reg_mem_model(&rq->xdp_rxq, MEM_TYPE_PAGE_POOL, rq->page_pool); } if (err) - goto err_free; + goto err_free_by_rq_type; for (i = 0; i < wq_sz; i++) { if (rq->wq_type == MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ) { @@ -552,38 +586,49 @@ static int mlx5e_alloc_rq(struct mlx5e_channel *c, return 0; -err_free: +err_free_by_rq_type: switch (rq->wq_type) { case MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ: kvfree(rq->mpwqe.info); +err_rq_mkey: mlx5_core_destroy_mkey(mdev, &rq->umr_mkey); +err_rq_drop_page: + mlx5e_free_mpwqe_rq_drop_page(rq); break; default: /* MLX5_WQ_TYPE_CYCLIC */ - kvfree(rq->wqe.frags); mlx5e_free_di_list(rq); +err_rq_frags: + kvfree(rq->wqe.frags); } - err_rq_wq_destroy: - if (rq->xdp_prog) - bpf_prog_put(rq->xdp_prog); - xdp_rxq_info_unreg(&rq->xdp_rxq); - page_pool_destroy(rq->page_pool); mlx5_wq_destroy(&rq->wq_ctrl); +err_rq_xdp: + xdp_rxq_info_unreg(&rq->xdp_rxq); +err_rq_xdp_prog: + if (params->xdp_prog) + bpf_prog_put(params->xdp_prog); return err; } static void mlx5e_free_rq(struct mlx5e_rq *rq) { + struct mlx5e_channel *c = rq->channel; + struct bpf_prog *old_prog = NULL; int i; - if (rq->xdp_prog) - bpf_prog_put(rq->xdp_prog); + /* drop_rq has neither channel nor xdp_prog. */ + if (c) + old_prog = rcu_dereference_protected(rq->xdp_prog, + lockdep_is_held(&c->priv->state_lock)); + if (old_prog) + bpf_prog_put(old_prog); switch (rq->wq_type) { case MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ: kvfree(rq->mpwqe.info); mlx5_core_destroy_mkey(rq->mdev, &rq->umr_mkey); + mlx5e_free_mpwqe_rq_drop_page(rq); break; default: /* MLX5_WQ_TYPE_CYCLIC */ kvfree(rq->wqe.frags); @@ -867,7 +912,7 @@ void mlx5e_activate_rq(struct mlx5e_rq *rq) void mlx5e_deactivate_rq(struct mlx5e_rq *rq) { clear_bit(MLX5E_RQ_STATE_ENABLED, &rq->state); - napi_synchronize(&rq->channel->napi); /* prevent mlx5e_post_rx_wqes */ + synchronize_rcu(); /* Sync with NAPI to prevent mlx5e_post_rx_wqes. */ } void mlx5e_close_rq(struct mlx5e_rq *rq) @@ -1312,12 +1357,10 @@ void mlx5e_tx_disable_queue(struct netdev_queue *txq) static void mlx5e_deactivate_txqsq(struct mlx5e_txqsq *sq) { - struct mlx5e_channel *c = sq->channel; struct mlx5_wq_cyc *wq = &sq->wq; clear_bit(MLX5E_SQ_STATE_ENABLED, &sq->state); - /* prevent netif_tx_wake_queue */ - napi_synchronize(&c->napi); + synchronize_rcu(); /* Sync with NAPI to prevent netif_tx_wake_queue. */ mlx5e_tx_disable_queue(sq->txq); @@ -1392,10 +1435,8 @@ void mlx5e_activate_icosq(struct mlx5e_icosq *icosq) void mlx5e_deactivate_icosq(struct mlx5e_icosq *icosq) { - struct mlx5e_channel *c = icosq->channel; - clear_bit(MLX5E_SQ_STATE_ENABLED, &icosq->state); - napi_synchronize(&c->napi); + synchronize_rcu(); /* Sync with NAPI. */ } void mlx5e_close_icosq(struct mlx5e_icosq *sq) @@ -1474,7 +1515,7 @@ void mlx5e_close_xdpsq(struct mlx5e_xdpsq *sq) struct mlx5e_channel *c = sq->channel; clear_bit(MLX5E_SQ_STATE_ENABLED, &sq->state); - napi_synchronize(&c->napi); + synchronize_rcu(); /* Sync with NAPI. */ mlx5e_destroy_sq(c->mdev, sq->sqn); mlx5e_free_xdpsq_descs(sq); @@ -3567,6 +3608,7 @@ void mlx5e_fold_sw_stats64(struct mlx5e_priv *priv, struct rtnl_link_stats64 *s) s->rx_packets += rq_stats->packets + xskrq_stats->packets; s->rx_bytes += rq_stats->bytes + xskrq_stats->bytes; + s->multicast += rq_stats->mcast_packets + xskrq_stats->mcast_packets; for (j = 0; j < priv->max_opened_tc; j++) { struct mlx5e_sq_stats *sq_stats = &channel_stats->sq[j]; @@ -3582,7 +3624,6 @@ void mlx5e_get_stats(struct net_device *dev, struct rtnl_link_stats64 *stats) { struct mlx5e_priv *priv = netdev_priv(dev); - struct mlx5e_vport_stats *vstats = &priv->stats.vport; struct mlx5e_pport_stats *pstats = &priv->stats.pport; /* In switchdev mode, monitor counters doesn't monitor @@ -3617,12 +3658,6 @@ mlx5e_get_stats(struct net_device *dev, struct rtnl_link_stats64 *stats) stats->rx_errors = stats->rx_length_errors + stats->rx_crc_errors + stats->rx_frame_errors; stats->tx_errors = stats->tx_aborted_errors + stats->tx_carrier_errors; - - /* vport multicast also counts packets that are dropped due to steering - * or rx out of buffer - */ - stats->multicast = - VPORT_COUNTER_GET(vstats, received_eth_multicast.packets); } static void mlx5e_set_rx_mode(struct net_device *dev) @@ -4191,6 +4226,21 @@ int mlx5e_get_vf_stats(struct net_device *dev, } #endif +static bool mlx5e_gre_tunnel_inner_proto_offload_supported(struct mlx5_core_dev *mdev, + struct sk_buff *skb) +{ + switch (skb->inner_protocol) { + case htons(ETH_P_IP): + case htons(ETH_P_IPV6): + case htons(ETH_P_TEB): + return true; + case htons(ETH_P_MPLS_UC): + case htons(ETH_P_MPLS_MC): + return MLX5_CAP_ETH(mdev, tunnel_stateless_mpls_over_gre); + } + return false; +} + static netdev_features_t mlx5e_tunnel_features_check(struct mlx5e_priv *priv, struct sk_buff *skb, netdev_features_t features) @@ -4213,7 +4263,9 @@ static netdev_features_t mlx5e_tunnel_features_check(struct mlx5e_priv *priv, switch (proto) { case IPPROTO_GRE: - return features; + if (mlx5e_gre_tunnel_inner_proto_offload_supported(priv->mdev, skb)) + return features; + break; case IPPROTO_IPIP: case IPPROTO_IPV6: if (mlx5e_tunnel_proto_supported(priv->mdev, IPPROTO_IPIP)) @@ -4330,6 +4382,16 @@ static int mlx5e_xdp_allowed(struct mlx5e_priv *priv, struct bpf_prog *prog) return 0; } +static void mlx5e_rq_replace_xdp_prog(struct mlx5e_rq *rq, struct bpf_prog *prog) +{ + struct bpf_prog *old_prog; + + old_prog = rcu_replace_pointer(rq->xdp_prog, prog, + lockdep_is_held(&rq->channel->priv->state_lock)); + if (old_prog) + bpf_prog_put(old_prog); +} + static int mlx5e_xdp_set(struct net_device *netdev, struct bpf_prog *prog) { struct mlx5e_priv *priv = netdev_priv(netdev); @@ -4388,29 +4450,10 @@ static int mlx5e_xdp_set(struct net_device *netdev, struct bpf_prog *prog) */ for (i = 0; i < priv->channels.num; i++) { struct mlx5e_channel *c = priv->channels.c[i]; - bool xsk_open = test_bit(MLX5E_CHANNEL_STATE_XSK, c->state); - - clear_bit(MLX5E_RQ_STATE_ENABLED, &c->rq.state); - if (xsk_open) - clear_bit(MLX5E_RQ_STATE_ENABLED, &c->xskrq.state); - napi_synchronize(&c->napi); - /* prevent mlx5e_poll_rx_cq from accessing rq->xdp_prog */ - - old_prog = xchg(&c->rq.xdp_prog, prog); - if (old_prog) - bpf_prog_put(old_prog); - - if (xsk_open) { - old_prog = xchg(&c->xskrq.xdp_prog, prog); - if (old_prog) - bpf_prog_put(old_prog); - } - set_bit(MLX5E_RQ_STATE_ENABLED, &c->rq.state); - if (xsk_open) - set_bit(MLX5E_RQ_STATE_ENABLED, &c->xskrq.state); - /* napi_schedule in case we have missed anything */ - napi_schedule(&c->napi); + mlx5e_rq_replace_xdp_prog(&c->rq, prog); + if (test_bit(MLX5E_CHANNEL_STATE_XSK, c->state)) + mlx5e_rq_replace_xdp_prog(&c->xskrq, prog); } unlock: @@ -5200,7 +5243,7 @@ static const struct mlx5e_profile mlx5e_nic_profile = { .enable = mlx5e_nic_enable, .disable = mlx5e_nic_disable, .update_rx = mlx5e_update_nic_rx, - .update_stats = mlx5e_update_ndo_stats, + .update_stats = mlx5e_stats_update_ndo_stats, .update_carrier = mlx5e_update_carrier, .rx_handlers = &mlx5e_rx_handlers_nic, .max_tc = MLX5E_MAX_NUM_TC, diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c index e13e5d1b3eaed7..e979bff64c499b 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c @@ -1171,7 +1171,7 @@ static const struct mlx5e_profile mlx5e_rep_profile = { .cleanup_tx = mlx5e_cleanup_rep_tx, .enable = mlx5e_rep_enable, .update_rx = mlx5e_update_rep_rx, - .update_stats = mlx5e_update_ndo_stats, + .update_stats = mlx5e_stats_update_ndo_stats, .rx_handlers = &mlx5e_rx_handlers_rep, .max_tc = 1, .rq_groups = MLX5E_NUM_RQ_GROUPS(REGULAR), @@ -1189,7 +1189,7 @@ static const struct mlx5e_profile mlx5e_uplink_rep_profile = { .enable = mlx5e_uplink_rep_enable, .disable = mlx5e_uplink_rep_disable, .update_rx = mlx5e_update_rep_rx, - .update_stats = mlx5e_update_ndo_stats, + .update_stats = mlx5e_stats_update_ndo_stats, .update_carrier = mlx5e_update_carrier, .rx_handlers = &mlx5e_rx_handlers_rep, .max_tc = MLX5E_MAX_NUM_TC, diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.h b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.h index 622c27ae4ac7d3..0d1562e20118cd 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.h @@ -135,12 +135,6 @@ struct mlx5e_neigh_hash_entry { /* encap list sharing the same neigh */ struct list_head encap_list; - /* valid only when the neigh reference is taken during - * neigh_update_work workqueue callback. - */ - struct neighbour *n; - struct work_struct neigh_update_work; - /* neigh hash entry can be deleted only when the refcount is zero. * refcount is needed to avoid neigh hash entry removal by TC, while * it's used by the neigh notification call. diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c index 65828af120b7a6..64c8ac5eabf6a8 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c @@ -53,6 +53,7 @@ #include "en/xsk/rx.h" #include "en/health.h" #include "en/params.h" +#include "en/txrx.h" static struct sk_buff * mlx5e_skb_from_cqe_mpwrq_linear(struct mlx5e_rq *rq, struct mlx5e_mpw_info *wi, @@ -1080,6 +1081,9 @@ static inline void mlx5e_build_rx_skb(struct mlx5_cqe64 *cqe, mlx5e_enable_ecn(rq, skb); skb->protocol = eth_type_trans(skb, netdev); + + if (unlikely(mlx5e_skb_is_multicast(skb))) + stats->mcast_packets++; } static inline void mlx5e_complete_rx_cqe(struct mlx5e_rq *rq, @@ -1132,7 +1136,6 @@ mlx5e_skb_from_cqe_linear(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe, struct xdp_buff xdp; struct sk_buff *skb; void *va, *data; - bool consumed; u32 frag_size; va = page_address(di->page) + wi->offset; @@ -1144,11 +1147,8 @@ mlx5e_skb_from_cqe_linear(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe, prefetchw(va); /* xdp_frame data area */ prefetch(data); - rcu_read_lock(); mlx5e_fill_xdp_buff(rq, va, rx_headroom, cqe_bcnt, &xdp); - consumed = mlx5e_xdp_handle(rq, di, &cqe_bcnt, &xdp); - rcu_read_unlock(); - if (consumed) + if (mlx5e_xdp_handle(rq, di, &cqe_bcnt, &xdp)) return NULL; /* page/packet was consumed by XDP */ rx_headroom = xdp.data - xdp.data_hard_start; @@ -1438,7 +1438,6 @@ mlx5e_skb_from_cqe_mpwrq_linear(struct mlx5e_rq *rq, struct mlx5e_mpw_info *wi, struct sk_buff *skb; void *va, *data; u32 frag_size; - bool consumed; /* Check packet size. Note LRO doesn't use linear SKB */ if (unlikely(cqe_bcnt > rq->hw_mtu)) { @@ -1455,11 +1454,8 @@ mlx5e_skb_from_cqe_mpwrq_linear(struct mlx5e_rq *rq, struct mlx5e_mpw_info *wi, prefetchw(va); /* xdp_frame data area */ prefetch(data); - rcu_read_lock(); mlx5e_fill_xdp_buff(rq, va, rx_headroom, cqe_bcnt32, &xdp); - consumed = mlx5e_xdp_handle(rq, di, &cqe_bcnt32, &xdp); - rcu_read_unlock(); - if (consumed) { + if (mlx5e_xdp_handle(rq, di, &cqe_bcnt32, &xdp)) { if (__test_and_clear_bit(MLX5E_RQ_FLAG_XDP_XMIT, rq->flags)) __set_bit(page_idx, wi->xdp_xmit_bitmap); /* non-atomic */ return NULL; /* page/packet was consumed by XDP */ diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c b/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c index e3b2f59408e655..f6383bc2bc3fe9 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c @@ -54,6 +54,18 @@ unsigned int mlx5e_stats_total_num(struct mlx5e_priv *priv) return total; } +void mlx5e_stats_update_ndo_stats(struct mlx5e_priv *priv) +{ + mlx5e_stats_grp_t *stats_grps = priv->profile->stats_grps; + const unsigned int num_stats_grps = stats_grps_num(priv); + int i; + + for (i = num_stats_grps - 1; i >= 0; i--) + if (stats_grps[i]->update_stats && + stats_grps[i]->update_stats_mask & MLX5E_NDO_UPDATE_STATS) + stats_grps[i]->update_stats(priv); +} + void mlx5e_stats_update(struct mlx5e_priv *priv) { mlx5e_stats_grp_t *stats_grps = priv->profile->stats_grps; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_stats.h b/drivers/net/ethernet/mellanox/mlx5/core/en_stats.h index 2e1cca1923b937..562263d6214133 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_stats.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_stats.h @@ -103,6 +103,7 @@ unsigned int mlx5e_stats_total_num(struct mlx5e_priv *priv); void mlx5e_stats_update(struct mlx5e_priv *priv); void mlx5e_stats_fill(struct mlx5e_priv *priv, u64 *data, int idx); void mlx5e_stats_fill_strings(struct mlx5e_priv *priv, u8 *data); +void mlx5e_stats_update_ndo_stats(struct mlx5e_priv *priv); /* Concrete NIC Stats */ @@ -119,6 +120,7 @@ struct mlx5e_sw_stats { u64 tx_nop; u64 rx_lro_packets; u64 rx_lro_bytes; + u64 rx_mcast_packets; u64 rx_ecn_mark; u64 rx_removed_vlan_packets; u64 rx_csum_unnecessary; @@ -298,6 +300,7 @@ struct mlx5e_rq_stats { u64 csum_none; u64 lro_packets; u64 lro_bytes; + u64 mcast_packets; u64 ecn_mark; u64 removed_vlan_packets; u64 xdp_drop; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c index fd53d101d8fd27..1c93f92d9210ae 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c @@ -1290,11 +1290,8 @@ static void mlx5e_tc_del_fdb_flow(struct mlx5e_priv *priv, mlx5e_put_flow_tunnel_id(flow); - if (flow_flag_test(flow, NOT_READY)) { + if (flow_flag_test(flow, NOT_READY)) remove_unready_flow(flow); - kvfree(attr->parse_attr); - return; - } if (mlx5e_is_offloaded_flow(flow)) { if (flow_flag_test(flow, SLOW)) @@ -1315,6 +1312,8 @@ static void mlx5e_tc_del_fdb_flow(struct mlx5e_priv *priv, } kvfree(attr->parse_attr); + mlx5_tc_ct_match_del(priv, &flow->esw_attr->ct_attr); + if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) mlx5e_detach_mod_hdr(priv, flow); @@ -2625,6 +2624,22 @@ static struct mlx5_fields fields[] = { OFFLOAD(UDP_DPORT, 16, U16_MAX, udp.dest, 0, udp_dport), }; +static unsigned long mask_to_le(unsigned long mask, int size) +{ + __be32 mask_be32; + __be16 mask_be16; + + if (size == 32) { + mask_be32 = (__force __be32)(mask); + mask = (__force unsigned long)cpu_to_le32(be32_to_cpu(mask_be32)); + } else if (size == 16) { + mask_be32 = (__force __be32)(mask); + mask_be16 = *(__be16 *)&mask_be32; + mask = (__force unsigned long)cpu_to_le16(be16_to_cpu(mask_be16)); + } + + return mask; +} static int offload_pedit_fields(struct mlx5e_priv *priv, int namespace, struct pedit_headers_action *hdrs, @@ -2638,9 +2653,7 @@ static int offload_pedit_fields(struct mlx5e_priv *priv, u32 *s_masks_p, *a_masks_p, s_mask, a_mask; struct mlx5e_tc_mod_hdr_acts *mod_acts; struct mlx5_fields *f; - unsigned long mask; - __be32 mask_be32; - __be16 mask_be16; + unsigned long mask, field_mask; int err; u8 cmd; @@ -2706,14 +2719,7 @@ static int offload_pedit_fields(struct mlx5e_priv *priv, if (skip) continue; - if (f->field_bsize == 32) { - mask_be32 = (__force __be32)(mask); - mask = (__force unsigned long)cpu_to_le32(be32_to_cpu(mask_be32)); - } else if (f->field_bsize == 16) { - mask_be32 = (__force __be32)(mask); - mask_be16 = *(__be16 *)&mask_be32; - mask = (__force unsigned long)cpu_to_le16(be16_to_cpu(mask_be16)); - } + mask = mask_to_le(mask, f->field_bsize); first = find_first_bit(&mask, f->field_bsize); next_z = find_next_zero_bit(&mask, f->field_bsize, first); @@ -2744,9 +2750,10 @@ static int offload_pedit_fields(struct mlx5e_priv *priv, if (cmd == MLX5_ACTION_TYPE_SET) { int start; + field_mask = mask_to_le(f->field_mask, f->field_bsize); + /* if field is bit sized it can start not from first bit */ - start = find_first_bit((unsigned long *)&f->field_mask, - f->field_bsize); + start = find_first_bit(&field_mask, f->field_bsize); MLX5_SET(set_action_in, action, offset, first - start); /* length is num of bits to be written, zero means length of 32 */ @@ -4402,8 +4409,8 @@ __mlx5e_add_fdb_flow(struct mlx5e_priv *priv, goto err_free; /* actions validation depends on parsing the ct matches first */ - err = mlx5_tc_ct_parse_match(priv, &parse_attr->spec, f, - &flow->esw_attr->ct_attr, extack); + err = mlx5_tc_ct_match_add(priv, &parse_attr->spec, f, + &flow->esw_attr->ct_attr, extack); if (err) goto err_free; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_txrx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_txrx.c index de10b06bade53d..d5868670f8a589 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_txrx.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_txrx.c @@ -121,13 +121,17 @@ int mlx5e_napi_poll(struct napi_struct *napi, int budget) struct mlx5e_xdpsq *xsksq = &c->xsksq; struct mlx5e_rq *xskrq = &c->xskrq; struct mlx5e_rq *rq = &c->rq; - bool xsk_open = test_bit(MLX5E_CHANNEL_STATE_XSK, c->state); bool aff_change = false; bool busy_xsk = false; bool busy = false; int work_done = 0; + bool xsk_open; int i; + rcu_read_lock(); + + xsk_open = test_bit(MLX5E_CHANNEL_STATE_XSK, c->state); + ch_stats->poll++; for (i = 0; i < c->num_tc; i++) @@ -167,8 +171,10 @@ int mlx5e_napi_poll(struct napi_struct *napi, int budget) busy |= busy_xsk; if (busy) { - if (likely(mlx5e_channel_no_affinity_change(c))) - return budget; + if (likely(mlx5e_channel_no_affinity_change(c))) { + work_done = budget; + goto out; + } ch_stats->aff_change++; aff_change = true; if (budget && work_done == budget) @@ -176,7 +182,7 @@ int mlx5e_napi_poll(struct napi_struct *napi, int budget) } if (unlikely(!napi_complete_done(napi, work_done))) - return work_done; + goto out; ch_stats->arm++; @@ -203,6 +209,9 @@ int mlx5e_napi_poll(struct napi_struct *napi, int budget) ch_stats->force_irq++; } +out: + rcu_read_unlock(); + return work_done; } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eq.c b/drivers/net/ethernet/mellanox/mlx5/core/eq.c index 31ef9f8420c876..22a19d391e1790 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eq.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eq.c @@ -189,6 +189,29 @@ u32 mlx5_eq_poll_irq_disabled(struct mlx5_eq_comp *eq) return count_eqe; } +static void mlx5_eq_async_int_lock(struct mlx5_eq_async *eq, unsigned long *flags) + __acquires(&eq->lock) +{ + if (in_irq()) + spin_lock(&eq->lock); + else + spin_lock_irqsave(&eq->lock, *flags); +} + +static void mlx5_eq_async_int_unlock(struct mlx5_eq_async *eq, unsigned long *flags) + __releases(&eq->lock) +{ + if (in_irq()) + spin_unlock(&eq->lock); + else + spin_unlock_irqrestore(&eq->lock, *flags); +} + +enum async_eq_nb_action { + ASYNC_EQ_IRQ_HANDLER = 0, + ASYNC_EQ_RECOVER = 1, +}; + static int mlx5_eq_async_int(struct notifier_block *nb, unsigned long action, void *data) { @@ -198,11 +221,14 @@ static int mlx5_eq_async_int(struct notifier_block *nb, struct mlx5_eq_table *eqt; struct mlx5_core_dev *dev; struct mlx5_eqe *eqe; + unsigned long flags; int num_eqes = 0; dev = eq->dev; eqt = dev->priv.eq_table; + mlx5_eq_async_int_lock(eq_async, &flags); + eqe = next_eqe_sw(eq); if (!eqe) goto out; @@ -223,8 +249,19 @@ static int mlx5_eq_async_int(struct notifier_block *nb, out: eq_update_ci(eq, 1); + mlx5_eq_async_int_unlock(eq_async, &flags); - return 0; + return unlikely(action == ASYNC_EQ_RECOVER) ? num_eqes : 0; +} + +void mlx5_cmd_eq_recover(struct mlx5_core_dev *dev) +{ + struct mlx5_eq_async *eq = &dev->priv.eq_table->cmd_eq; + int eqes; + + eqes = mlx5_eq_async_int(&eq->irq_nb, ASYNC_EQ_RECOVER, NULL); + if (eqes) + mlx5_core_warn(dev, "Recovered %d EQEs on cmd_eq\n", eqes); } static void init_eq_buf(struct mlx5_eq *eq) @@ -569,6 +606,7 @@ setup_async_eq(struct mlx5_core_dev *dev, struct mlx5_eq_async *eq, int err; eq->irq_nb.notifier_call = mlx5_eq_async_int; + spin_lock_init(&eq->lock); err = create_async_eq(dev, &eq->core, param); if (err) { @@ -656,8 +694,10 @@ static void destroy_async_eqs(struct mlx5_core_dev *dev) cleanup_async_eq(dev, &table->pages_eq, "pages"); cleanup_async_eq(dev, &table->async_eq, "async"); + mlx5_cmd_allowed_opcode(dev, MLX5_CMD_OP_DESTROY_EQ); mlx5_cmd_use_polling(dev); cleanup_async_eq(dev, &table->cmd_eq, "cmd"); + mlx5_cmd_allowed_opcode(dev, CMD_ALLOWED_OPCODE_ALL); mlx5_eq_notifier_unregister(dev, &table->cq_err_nb); } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c index d2516922d8678b..1bcf2609dca869 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c @@ -1219,35 +1219,37 @@ static int esw_create_offloads_fdb_tables(struct mlx5_eswitch *esw) } esw->fdb_table.offloads.send_to_vport_grp = g; - /* create peer esw miss group */ - memset(flow_group_in, 0, inlen); + if (MLX5_CAP_ESW(esw->dev, merged_eswitch)) { + /* create peer esw miss group */ + memset(flow_group_in, 0, inlen); - esw_set_flow_group_source_port(esw, flow_group_in); + esw_set_flow_group_source_port(esw, flow_group_in); - if (!mlx5_eswitch_vport_match_metadata_enabled(esw)) { - match_criteria = MLX5_ADDR_OF(create_flow_group_in, - flow_group_in, - match_criteria); + if (!mlx5_eswitch_vport_match_metadata_enabled(esw)) { + match_criteria = MLX5_ADDR_OF(create_flow_group_in, + flow_group_in, + match_criteria); - MLX5_SET_TO_ONES(fte_match_param, match_criteria, - misc_parameters.source_eswitch_owner_vhca_id); + MLX5_SET_TO_ONES(fte_match_param, match_criteria, + misc_parameters.source_eswitch_owner_vhca_id); - MLX5_SET(create_flow_group_in, flow_group_in, - source_eswitch_owner_vhca_id_valid, 1); - } + MLX5_SET(create_flow_group_in, flow_group_in, + source_eswitch_owner_vhca_id_valid, 1); + } - MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, ix); - MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, - ix + esw->total_vports - 1); - ix += esw->total_vports; + MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, ix); + MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, + ix + esw->total_vports - 1); + ix += esw->total_vports; - g = mlx5_create_flow_group(fdb, flow_group_in); - if (IS_ERR(g)) { - err = PTR_ERR(g); - esw_warn(dev, "Failed to create peer miss flow group err(%d)\n", err); - goto peer_miss_err; + g = mlx5_create_flow_group(fdb, flow_group_in); + if (IS_ERR(g)) { + err = PTR_ERR(g); + esw_warn(dev, "Failed to create peer miss flow group err(%d)\n", err); + goto peer_miss_err; + } + esw->fdb_table.offloads.peer_miss_grp = g; } - esw->fdb_table.offloads.peer_miss_grp = g; /* create miss group */ memset(flow_group_in, 0, inlen); @@ -1281,7 +1283,8 @@ static int esw_create_offloads_fdb_tables(struct mlx5_eswitch *esw) miss_rule_err: mlx5_destroy_flow_group(esw->fdb_table.offloads.miss_grp); miss_err: - mlx5_destroy_flow_group(esw->fdb_table.offloads.peer_miss_grp); + if (MLX5_CAP_ESW(esw->dev, merged_eswitch)) + mlx5_destroy_flow_group(esw->fdb_table.offloads.peer_miss_grp); peer_miss_err: mlx5_destroy_flow_group(esw->fdb_table.offloads.send_to_vport_grp); send_vport_err: @@ -1305,7 +1308,8 @@ static void esw_destroy_offloads_fdb_tables(struct mlx5_eswitch *esw) mlx5_del_flow_rules(esw->fdb_table.offloads.miss_rule_multi); mlx5_del_flow_rules(esw->fdb_table.offloads.miss_rule_uni); mlx5_destroy_flow_group(esw->fdb_table.offloads.send_to_vport_grp); - mlx5_destroy_flow_group(esw->fdb_table.offloads.peer_miss_grp); + if (MLX5_CAP_ESW(esw->dev, merged_eswitch)) + mlx5_destroy_flow_group(esw->fdb_table.offloads.peer_miss_grp); mlx5_destroy_flow_group(esw->fdb_table.offloads.miss_grp); mlx5_esw_chains_destroy(esw); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c index 9ccec5f8b92a78..75fa44eee434d9 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c @@ -654,7 +654,7 @@ static struct fs_fte *alloc_fte(struct mlx5_flow_table *ft, fte->action = *flow_act; fte->flow_context = spec->flow_context; - tree_init_node(&fte->node, NULL, del_sw_fte); + tree_init_node(&fte->node, del_hw_fte, del_sw_fte); return fte; } @@ -1792,7 +1792,6 @@ skip_search: up_write_ref_node(&g->node, false); rule = add_rule_fg(g, spec, flow_act, dest, dest_num, fte); up_write_ref_node(&fte->node, false); - tree_put_node(&fte->node, false); return rule; } rule = ERR_PTR(-ENOENT); @@ -1891,7 +1890,6 @@ search_again_locked: up_write_ref_node(&g->node, false); rule = add_rule_fg(g, spec, flow_act, dest, dest_num, fte); up_write_ref_node(&fte->node, false); - tree_put_node(&fte->node, false); tree_put_node(&g->node, false); return rule; @@ -2001,7 +1999,9 @@ void mlx5_del_flow_rules(struct mlx5_flow_handle *handle) up_write_ref_node(&fte->node, false); } else { del_hw_fte(&fte->node); - up_write(&fte->node.lock); + /* Avoid double call to del_hw_fte */ + fte->node.del_hw_func = NULL; + up_write_ref_node(&fte->node, false); tree_put_node(&fte->node, false); } kfree(handle); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/eq.h b/drivers/net/ethernet/mellanox/mlx5/core/lib/eq.h index 4aaca7400fb291..5c681e31983bc6 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/lib/eq.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/eq.h @@ -37,6 +37,7 @@ struct mlx5_eq { struct mlx5_eq_async { struct mlx5_eq core; struct notifier_block irq_nb; + spinlock_t lock; /* To avoid irq EQ handle races with resiliency flows */ }; struct mlx5_eq_comp { @@ -81,6 +82,7 @@ void mlx5_cq_tasklet_cb(unsigned long data); struct cpumask *mlx5_eq_comp_cpumask(struct mlx5_core_dev *dev, int ix); u32 mlx5_eq_poll_irq_disabled(struct mlx5_eq_comp *eq); +void mlx5_cmd_eq_recover(struct mlx5_core_dev *dev); void mlx5_eq_synchronize_async_irq(struct mlx5_core_dev *dev); void mlx5_eq_synchronize_cmd_irq(struct mlx5_core_dev *dev); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c b/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c index f9b798af6335da..c0e18f2ade9964 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c @@ -432,7 +432,7 @@ static int reclaim_pages_cmd(struct mlx5_core_dev *dev, u32 npages; u32 i = 0; - if (dev->state != MLX5_DEVICE_STATE_INTERNAL_ERROR) + if (!mlx5_cmd_is_down(dev)) return mlx5_cmd_exec(dev, in, in_size, out, out_size); /* No hard feelings, we want our pages back! */ diff --git a/drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c b/drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c index 373981a659c7c7..6fd9749203944c 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c @@ -115,7 +115,7 @@ static int request_irqs(struct mlx5_core_dev *dev, int nvec) return 0; err_request_irq: - for (; i >= 0; i--) { + while (i--) { struct mlx5_irq *irq = mlx5_irq_get(dev, i); int irqn = pci_irq_vector(dev->pdev, i); diff --git a/drivers/net/ethernet/mellanox/mlxfw/mlxfw_fsm.c b/drivers/net/ethernet/mellanox/mlxfw/mlxfw_fsm.c index 7a04c626a2aa50..bcd166911d444b 100644 --- a/drivers/net/ethernet/mellanox/mlxfw/mlxfw_fsm.c +++ b/drivers/net/ethernet/mellanox/mlxfw/mlxfw_fsm.c @@ -72,7 +72,7 @@ static int mlxfw_fsm_state_err(struct mlxfw_dev *mlxfw_dev, case MLXFW_FSM_STATE_ERR_BLOCKED_PENDING_RESET: MLXFW_ERR_MSG(mlxfw_dev, extack, "pending reset", err); break; - case MLXFW_FSM_STATE_ERR_OK: /* fall through */ + case MLXFW_FSM_STATE_ERR_OK: case MLXFW_FSM_STATE_ERR_MAX: MLXFW_ERR_MSG(mlxfw_dev, extack, "unknown error", err); break; @@ -155,7 +155,7 @@ mlxfw_fsm_reactivate_err(struct mlxfw_dev *mlxfw_dev, case MLXFW_FSM_REACTIVATE_STATUS_FW_ALREADY_ACTIVATED: MLXFW_REACT_ERR("fw already activated", err); break; - case MLXFW_FSM_REACTIVATE_STATUS_OK: /* fall through */ + case MLXFW_FSM_REACTIVATE_STATUS_OK: case MLXFW_FSM_REACTIVATE_STATUS_MAX: MLXFW_REACT_ERR("unexpected error", err); break; diff --git a/drivers/net/ethernet/mellanox/mlxsw/core.c b/drivers/net/ethernet/mellanox/mlxsw/core.c index 08d101138fbe17..ec45a03140d7f4 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/core.c +++ b/drivers/net/ethernet/mellanox/mlxsw/core.c @@ -2289,21 +2289,21 @@ int mlxsw_core_module_max_width(struct mlxsw_core *mlxsw_core, u8 module) /* Here we need to get the module width according to the module type. */ switch (module_type) { - case MLXSW_REG_PMTM_MODULE_TYPE_C2C8X: /* fall through */ - case MLXSW_REG_PMTM_MODULE_TYPE_QSFP_DD: /* fall through */ + case MLXSW_REG_PMTM_MODULE_TYPE_C2C8X: + case MLXSW_REG_PMTM_MODULE_TYPE_QSFP_DD: case MLXSW_REG_PMTM_MODULE_TYPE_OSFP: return 8; - case MLXSW_REG_PMTM_MODULE_TYPE_C2C4X: /* fall through */ - case MLXSW_REG_PMTM_MODULE_TYPE_BP_4X: /* fall through */ + case MLXSW_REG_PMTM_MODULE_TYPE_C2C4X: + case MLXSW_REG_PMTM_MODULE_TYPE_BP_4X: case MLXSW_REG_PMTM_MODULE_TYPE_QSFP: return 4; - case MLXSW_REG_PMTM_MODULE_TYPE_C2C2X: /* fall through */ - case MLXSW_REG_PMTM_MODULE_TYPE_BP_2X: /* fall through */ - case MLXSW_REG_PMTM_MODULE_TYPE_SFP_DD: /* fall through */ + case MLXSW_REG_PMTM_MODULE_TYPE_C2C2X: + case MLXSW_REG_PMTM_MODULE_TYPE_BP_2X: + case MLXSW_REG_PMTM_MODULE_TYPE_SFP_DD: case MLXSW_REG_PMTM_MODULE_TYPE_DSFP: return 2; - case MLXSW_REG_PMTM_MODULE_TYPE_C2C1X: /* fall through */ - case MLXSW_REG_PMTM_MODULE_TYPE_BP_1X: /* fall through */ + case MLXSW_REG_PMTM_MODULE_TYPE_C2C1X: + case MLXSW_REG_PMTM_MODULE_TYPE_BP_1X: case MLXSW_REG_PMTM_MODULE_TYPE_SFP: return 1; default: diff --git a/drivers/net/ethernet/mellanox/mlxsw/core_env.c b/drivers/net/ethernet/mellanox/mlxsw/core_env.c index 44fa02cbb683db..056eeb85be6047 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/core_env.c +++ b/drivers/net/ethernet/mellanox/mlxsw/core_env.c @@ -30,8 +30,8 @@ static int mlxsw_env_validate_cable_ident(struct mlxsw_core *core, int id, case MLXSW_REG_MCIA_EEPROM_MODULE_INFO_ID_SFP: *qsfp = false; break; - case MLXSW_REG_MCIA_EEPROM_MODULE_INFO_ID_QSFP: /* fall-through */ - case MLXSW_REG_MCIA_EEPROM_MODULE_INFO_ID_QSFP_PLUS: /* fall-through */ + case MLXSW_REG_MCIA_EEPROM_MODULE_INFO_ID_QSFP: + case MLXSW_REG_MCIA_EEPROM_MODULE_INFO_ID_QSFP_PLUS: case MLXSW_REG_MCIA_EEPROM_MODULE_INFO_ID_QSFP28: *qsfp = true; break; @@ -205,7 +205,7 @@ int mlxsw_env_get_module_info(struct mlxsw_core *mlxsw_core, int module, modinfo->type = ETH_MODULE_SFF_8436; modinfo->eeprom_len = ETH_MODULE_SFF_8436_MAX_LEN; break; - case MLXSW_REG_MCIA_EEPROM_MODULE_INFO_ID_QSFP_PLUS: /* fall-through */ + case MLXSW_REG_MCIA_EEPROM_MODULE_INFO_ID_QSFP_PLUS: case MLXSW_REG_MCIA_EEPROM_MODULE_INFO_ID_QSFP28: if (module_id == MLXSW_REG_MCIA_EEPROM_MODULE_INFO_ID_QSFP28 || module_rev_id >= diff --git a/drivers/net/ethernet/mellanox/mlxsw/core_hwmon.c b/drivers/net/ethernet/mellanox/mlxsw/core_hwmon.c index 3fe878d7c94cb3..61719ec89808f8 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/core_hwmon.c +++ b/drivers/net/ethernet/mellanox/mlxsw/core_hwmon.c @@ -259,8 +259,8 @@ static ssize_t mlxsw_hwmon_module_temp_fault_show(struct device *dev, */ fault = 1; break; - case MLXSW_REG_MTBR_NO_CONN: /* fall-through */ - case MLXSW_REG_MTBR_NO_TEMP_SENS: /* fall-through */ + case MLXSW_REG_MTBR_NO_CONN: + case MLXSW_REG_MTBR_NO_TEMP_SENS: case MLXSW_REG_MTBR_INDEX_NA: default: fault = 0; diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c index fdf9aa8314b299..f3c0e241e1b472 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c @@ -517,8 +517,8 @@ enum mlxsw_reg_spms_state mlxsw_sp_stp_spms_state(u8 state) return MLXSW_REG_SPMS_STATE_FORWARDING; case BR_STATE_LEARNING: return MLXSW_REG_SPMS_STATE_LEARNING; - case BR_STATE_LISTENING: /* fall-through */ - case BR_STATE_DISABLED: /* fall-through */ + case BR_STATE_LISTENING: + case BR_STATE_DISABLED: case BR_STATE_BLOCKING: return MLXSW_REG_SPMS_STATE_DISCARDING; default: @@ -3690,13 +3690,13 @@ bool mlxsw_sp_port_dev_check(const struct net_device *dev) return dev->netdev_ops == &mlxsw_sp_port_netdev_ops; } -static int mlxsw_sp_lower_dev_walk(struct net_device *lower_dev, void *data) +static int mlxsw_sp_lower_dev_walk(struct net_device *lower_dev, + struct netdev_nested_priv *priv) { - struct mlxsw_sp_port **p_mlxsw_sp_port = data; int ret = 0; if (mlxsw_sp_port_dev_check(lower_dev)) { - *p_mlxsw_sp_port = netdev_priv(lower_dev); + priv->data = (void *)netdev_priv(lower_dev); ret = 1; } @@ -3705,15 +3705,16 @@ static int mlxsw_sp_lower_dev_walk(struct net_device *lower_dev, void *data) struct mlxsw_sp_port *mlxsw_sp_port_dev_lower_find(struct net_device *dev) { - struct mlxsw_sp_port *mlxsw_sp_port; + struct netdev_nested_priv priv = { + .data = NULL, + }; if (mlxsw_sp_port_dev_check(dev)) return netdev_priv(dev); - mlxsw_sp_port = NULL; - netdev_walk_all_lower_dev(dev, mlxsw_sp_lower_dev_walk, &mlxsw_sp_port); + netdev_walk_all_lower_dev(dev, mlxsw_sp_lower_dev_walk, &priv); - return mlxsw_sp_port; + return (struct mlxsw_sp_port *)priv.data; } struct mlxsw_sp *mlxsw_sp_lower_get(struct net_device *dev) @@ -3726,16 +3727,17 @@ struct mlxsw_sp *mlxsw_sp_lower_get(struct net_device *dev) struct mlxsw_sp_port *mlxsw_sp_port_dev_lower_find_rcu(struct net_device *dev) { - struct mlxsw_sp_port *mlxsw_sp_port; + struct netdev_nested_priv priv = { + .data = NULL, + }; if (mlxsw_sp_port_dev_check(dev)) return netdev_priv(dev); - mlxsw_sp_port = NULL; netdev_walk_all_lower_dev_rcu(dev, mlxsw_sp_lower_dev_walk, - &mlxsw_sp_port); + &priv); - return mlxsw_sp_port; + return (struct mlxsw_sp_port *)priv.data; } struct mlxsw_sp_port *mlxsw_sp_port_lower_dev_hold(struct net_device *dev) diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.h b/drivers/net/ethernet/mellanox/mlxsw/spectrum.h index f9ba59641b4df9..5240bf11b6c42d 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.h +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.h @@ -636,11 +636,11 @@ static inline unsigned int mlxsw_sp_kvdl_entry_size(enum mlxsw_sp_kvdl_entry_type type) { switch (type) { - case MLXSW_SP_KVDL_ENTRY_TYPE_ADJ: /* fall through */ - case MLXSW_SP_KVDL_ENTRY_TYPE_ACTSET: /* fall through */ - case MLXSW_SP_KVDL_ENTRY_TYPE_PBS: /* fall through */ - case MLXSW_SP_KVDL_ENTRY_TYPE_MCRIGR: /* fall through */ - case MLXSW_SP_KVDL_ENTRY_TYPE_TNUMT: /* fall through */ + case MLXSW_SP_KVDL_ENTRY_TYPE_ADJ: + case MLXSW_SP_KVDL_ENTRY_TYPE_ACTSET: + case MLXSW_SP_KVDL_ENTRY_TYPE_PBS: + case MLXSW_SP_KVDL_ENTRY_TYPE_MCRIGR: + case MLXSW_SP_KVDL_ENTRY_TYPE_TNUMT: default: return 1; } diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c index 5c020403342f93..7cccc41dd69c9c 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c @@ -292,13 +292,14 @@ mlxsw_sp_acl_tcam_group_add(struct mlxsw_sp_acl_tcam *tcam, int err; group->tcam = tcam; - mutex_init(&group->lock); INIT_LIST_HEAD(&group->region_list); err = mlxsw_sp_acl_tcam_group_id_get(tcam, &group->id); if (err) return err; + mutex_init(&group->lock); + return 0; } diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c index 0521e9d48c457d..460cb523312f17 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c @@ -1164,7 +1164,7 @@ mlxsw_sp_router_ip2me_fib_entry_find(struct mlxsw_sp *mlxsw_sp, u32 tb_id, addr_len = 4; addr_prefix_len = 32; break; - case MLXSW_SP_L3_PROTO_IPV6: /* fall through */ + case MLXSW_SP_L3_PROTO_IPV6: default: WARN_ON(1); return NULL; @@ -4555,14 +4555,14 @@ mlxsw_sp_fib4_entry_type_set(struct mlxsw_sp *mlxsw_sp, fib_entry->type = MLXSW_SP_FIB_ENTRY_TYPE_NVE_DECAP; return 0; } - /* fall through */ + fallthrough; case RTN_BROADCAST: fib_entry->type = MLXSW_SP_FIB_ENTRY_TYPE_TRAP; return 0; case RTN_BLACKHOLE: fib_entry->type = MLXSW_SP_FIB_ENTRY_TYPE_BLACKHOLE; return 0; - case RTN_UNREACHABLE: /* fall through */ + case RTN_UNREACHABLE: case RTN_PROHIBIT: /* Packets hitting these routes need to be trapped, but * can do so with a lower priority than packets directed @@ -5990,7 +5990,7 @@ static void mlxsw_sp_router_fib4_event_work(struct work_struct *work) mlxsw_sp_router_fib4_del(mlxsw_sp, &fib_work->fen_info); fib_info_put(fib_work->fen_info.fi); break; - case FIB_EVENT_NH_ADD: /* fall through */ + case FIB_EVENT_NH_ADD: case FIB_EVENT_NH_DEL: mlxsw_sp_nexthop4_event(mlxsw_sp, fib_work->event, fib_work->fnh_info.fib_nh); @@ -6050,7 +6050,7 @@ static void mlxsw_sp_router_fibmr_event_work(struct work_struct *work) rtnl_lock(); mutex_lock(&mlxsw_sp->router->lock); switch (fib_work->event) { - case FIB_EVENT_ENTRY_REPLACE: /* fall through */ + case FIB_EVENT_ENTRY_REPLACE: case FIB_EVENT_ENTRY_ADD: replace = fib_work->event == FIB_EVENT_ENTRY_REPLACE; @@ -6089,7 +6089,7 @@ static void mlxsw_sp_router_fib4_event(struct mlxsw_sp_fib_event_work *fib_work, struct fib_nh_notifier_info *fnh_info; switch (fib_work->event) { - case FIB_EVENT_ENTRY_REPLACE: /* fall through */ + case FIB_EVENT_ENTRY_REPLACE: case FIB_EVENT_ENTRY_DEL: fen_info = container_of(info, struct fib_entry_notifier_info, info); @@ -6099,7 +6099,7 @@ static void mlxsw_sp_router_fib4_event(struct mlxsw_sp_fib_event_work *fib_work, */ fib_info_hold(fib_work->fen_info.fi); break; - case FIB_EVENT_NH_ADD: /* fall through */ + case FIB_EVENT_NH_ADD: case FIB_EVENT_NH_DEL: fnh_info = container_of(info, struct fib_nh_notifier_info, info); @@ -6116,8 +6116,8 @@ static int mlxsw_sp_router_fib6_event(struct mlxsw_sp_fib_event_work *fib_work, int err; switch (fib_work->event) { - case FIB_EVENT_ENTRY_REPLACE: /* fall through */ - case FIB_EVENT_ENTRY_APPEND: /* fall through */ + case FIB_EVENT_ENTRY_REPLACE: + case FIB_EVENT_ENTRY_APPEND: case FIB_EVENT_ENTRY_DEL: fen6_info = container_of(info, struct fib6_entry_notifier_info, info); @@ -6136,13 +6136,13 @@ mlxsw_sp_router_fibmr_event(struct mlxsw_sp_fib_event_work *fib_work, struct fib_notifier_info *info) { switch (fib_work->event) { - case FIB_EVENT_ENTRY_REPLACE: /* fall through */ - case FIB_EVENT_ENTRY_ADD: /* fall through */ + case FIB_EVENT_ENTRY_REPLACE: + case FIB_EVENT_ENTRY_ADD: case FIB_EVENT_ENTRY_DEL: memcpy(&fib_work->men_info, info, sizeof(fib_work->men_info)); mr_cache_hold(fib_work->men_info.mfc); break; - case FIB_EVENT_VIF_ADD: /* fall through */ + case FIB_EVENT_VIF_ADD: case FIB_EVENT_VIF_DEL: memcpy(&fib_work->ven_info, info, sizeof(fib_work->ven_info)); dev_hold(fib_work->ven_info.dev); @@ -6215,13 +6215,13 @@ static int mlxsw_sp_router_fib_event(struct notifier_block *nb, router = container_of(nb, struct mlxsw_sp_router, fib_nb); switch (event) { - case FIB_EVENT_RULE_ADD: /* fall through */ + case FIB_EVENT_RULE_ADD: case FIB_EVENT_RULE_DEL: err = mlxsw_sp_router_fib_rule_event(event, info, router->mlxsw_sp); return notifier_from_errno(err); - case FIB_EVENT_ENTRY_ADD: /* fall through */ - case FIB_EVENT_ENTRY_REPLACE: /* fall through */ + case FIB_EVENT_ENTRY_ADD: + case FIB_EVENT_ENTRY_REPLACE: case FIB_EVENT_ENTRY_APPEND: if (router->aborted) { NL_SET_ERR_MSG_MOD(info->extack, "FIB offload was aborted. Not configuring route"); @@ -7277,7 +7277,7 @@ int mlxsw_sp_netdevice_router_port_event(struct net_device *dev, goto out; switch (event) { - case NETDEV_CHANGEMTU: /* fall through */ + case NETDEV_CHANGEMTU: case NETDEV_CHANGEADDR: err = mlxsw_sp_router_port_change_event(mlxsw_sp, rif); break; @@ -7351,9 +7351,10 @@ int mlxsw_sp_netdevice_vrf_event(struct net_device *l3_dev, unsigned long event, return err; } -static int __mlxsw_sp_rif_macvlan_flush(struct net_device *dev, void *data) +static int __mlxsw_sp_rif_macvlan_flush(struct net_device *dev, + struct netdev_nested_priv *priv) { - struct mlxsw_sp_rif *rif = data; + struct mlxsw_sp_rif *rif = (struct mlxsw_sp_rif *)priv->data; if (!netif_is_macvlan(dev)) return 0; @@ -7364,12 +7365,16 @@ static int __mlxsw_sp_rif_macvlan_flush(struct net_device *dev, void *data) static int mlxsw_sp_rif_macvlan_flush(struct mlxsw_sp_rif *rif) { + struct netdev_nested_priv priv = { + .data = (void *)rif, + }; + if (!netif_is_macvlan_port(rif->dev)) return 0; netdev_warn(rif->dev, "Router interface is deleted. Upper macvlans will not work\n"); return netdev_walk_all_upper_dev_rcu(rif->dev, - __mlxsw_sp_rif_macvlan_flush, rif); + __mlxsw_sp_rif_macvlan_flush, &priv); } static void mlxsw_sp_rif_subport_setup(struct mlxsw_sp_rif *rif, diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_span.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_span.c index 5c959a99519961..1d18e41ab25538 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_span.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_span.c @@ -1523,12 +1523,12 @@ mlxsw_sp_span_trigger_ops_set(struct mlxsw_sp_span_trigger_entry *trigger_entry) enum mlxsw_sp_span_trigger_type type; switch (trigger_entry->trigger) { - case MLXSW_SP_SPAN_TRIGGER_INGRESS: /* fall-through */ + case MLXSW_SP_SPAN_TRIGGER_INGRESS: case MLXSW_SP_SPAN_TRIGGER_EGRESS: type = MLXSW_SP_SPAN_TRIGGER_TYPE_PORT; break; - case MLXSW_SP_SPAN_TRIGGER_TAIL_DROP: /* fall-through */ - case MLXSW_SP_SPAN_TRIGGER_EARLY_DROP: /* fall-through */ + case MLXSW_SP_SPAN_TRIGGER_TAIL_DROP: + case MLXSW_SP_SPAN_TRIGGER_EARLY_DROP: case MLXSW_SP_SPAN_TRIGGER_ECN: type = MLXSW_SP_SPAN_TRIGGER_TYPE_GLOBAL; break; diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c index a26162b08b7d8d..6501ce94ace586 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c @@ -136,9 +136,9 @@ bool mlxsw_sp_bridge_device_is_offloaded(const struct mlxsw_sp *mlxsw_sp, } static int mlxsw_sp_bridge_device_upper_rif_destroy(struct net_device *dev, - void *data) + struct netdev_nested_priv *priv) { - struct mlxsw_sp *mlxsw_sp = data; + struct mlxsw_sp *mlxsw_sp = priv->data; mlxsw_sp_rif_destroy_by_dev(mlxsw_sp, dev); return 0; @@ -147,10 +147,14 @@ static int mlxsw_sp_bridge_device_upper_rif_destroy(struct net_device *dev, static void mlxsw_sp_bridge_device_rifs_destroy(struct mlxsw_sp *mlxsw_sp, struct net_device *dev) { + struct netdev_nested_priv priv = { + .data = (void *)mlxsw_sp, + }; + mlxsw_sp_rif_destroy_by_dev(mlxsw_sp, dev); netdev_walk_all_upper_dev_rcu(dev, mlxsw_sp_bridge_device_upper_rif_destroy, - mlxsw_sp); + &priv); } static int mlxsw_sp_bridge_device_vxlan_init(struct mlxsw_sp_bridge *bridge, @@ -1297,7 +1301,7 @@ static int mlxsw_sp_port_fdb_tunnel_uc_op(struct mlxsw_sp *mlxsw_sp, uip = be32_to_cpu(addr->addr4); sfd_proto = MLXSW_REG_SFD_UC_TUNNEL_PROTOCOL_IPV4; break; - case MLXSW_SP_L3_PROTO_IPV6: /* fall through */ + case MLXSW_SP_L3_PROTO_IPV6: default: WARN_ON(1); return -EOPNOTSUPP; @@ -2870,7 +2874,7 @@ static void mlxsw_sp_switchdev_bridge_fdb_event_work(struct work_struct *work) fdb_info = &switchdev_work->fdb_info; mlxsw_sp_port_fdb_set(mlxsw_sp_port, fdb_info, false); break; - case SWITCHDEV_FDB_ADD_TO_BRIDGE: /* fall through */ + case SWITCHDEV_FDB_ADD_TO_BRIDGE: case SWITCHDEV_FDB_DEL_TO_BRIDGE: /* These events are only used to potentially update an existing * SPAN mirror. @@ -3116,9 +3120,9 @@ static int mlxsw_sp_switchdev_event(struct notifier_block *unused, switchdev_work->event = event; switch (event) { - case SWITCHDEV_FDB_ADD_TO_DEVICE: /* fall through */ - case SWITCHDEV_FDB_DEL_TO_DEVICE: /* fall through */ - case SWITCHDEV_FDB_ADD_TO_BRIDGE: /* fall through */ + case SWITCHDEV_FDB_ADD_TO_DEVICE: + case SWITCHDEV_FDB_DEL_TO_DEVICE: + case SWITCHDEV_FDB_ADD_TO_BRIDGE: case SWITCHDEV_FDB_DEL_TO_BRIDGE: fdb_info = container_of(info, struct switchdev_notifier_fdb_info, @@ -3138,7 +3142,7 @@ static int mlxsw_sp_switchdev_event(struct notifier_block *unused, */ dev_hold(dev); break; - case SWITCHDEV_VXLAN_FDB_ADD_TO_DEVICE: /* fall through */ + case SWITCHDEV_VXLAN_FDB_ADD_TO_DEVICE: case SWITCHDEV_VXLAN_FDB_DEL_TO_DEVICE: INIT_WORK(&switchdev_work->work, mlxsw_sp_switchdev_vxlan_fdb_event_work); diff --git a/drivers/net/ethernet/microchip/lan743x_ethtool.c b/drivers/net/ethernet/microchip/lan743x_ethtool.c index c533d06fbe3a59..dcde496da7fb4b 100644 --- a/drivers/net/ethernet/microchip/lan743x_ethtool.c +++ b/drivers/net/ethernet/microchip/lan743x_ethtool.c @@ -548,7 +548,7 @@ static int lan743x_ethtool_get_rxnfc(struct net_device *netdev, case TCP_V4_FLOW:case UDP_V4_FLOW: case TCP_V6_FLOW:case UDP_V6_FLOW: rxnfc->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; - /* fall through */ + fallthrough; case IPV4_FLOW: case IPV6_FLOW: rxnfc->data |= RXH_IP_SRC | RXH_IP_DST; return 0; diff --git a/drivers/net/ethernet/mscc/ocelot.c b/drivers/net/ethernet/mscc/ocelot.c index 867c680f591778..aa002db04250a5 100644 --- a/drivers/net/ethernet/mscc/ocelot.c +++ b/drivers/net/ethernet/mscc/ocelot.c @@ -421,10 +421,15 @@ int ocelot_port_add_txtstamp_skb(struct ocelot_port *ocelot_port, if (ocelot->ptp && shinfo->tx_flags & SKBTX_HW_TSTAMP && ocelot_port->ptp_cmd == IFH_REW_OP_TWO_STEP_PTP) { + spin_lock(&ocelot_port->ts_id_lock); + shinfo->tx_flags |= SKBTX_IN_PROGRESS; /* Store timestamp ID in cb[0] of sk_buff */ - skb->cb[0] = ocelot_port->ts_id % 4; + skb->cb[0] = ocelot_port->ts_id; + ocelot_port->ts_id = (ocelot_port->ts_id + 1) % 4; skb_queue_tail(&ocelot_port->tx_skbs, skb); + + spin_unlock(&ocelot_port->ts_id_lock); return 0; } return -ENODATA; @@ -859,7 +864,7 @@ void ocelot_bridge_stp_state_set(struct ocelot *ocelot, int port, u8 state) switch (state) { case BR_STATE_FORWARDING: ocelot->bridge_fwd_mask |= BIT(port); - /* Fallthrough */ + fallthrough; case BR_STATE_LEARNING: port_cfg |= ANA_PORT_PORT_CFG_LEARN_ENA; break; @@ -1248,7 +1253,7 @@ void ocelot_port_set_maxlen(struct ocelot *ocelot, int port, size_t sdu) struct ocelot_port *ocelot_port = ocelot->ports[port]; int maxlen = sdu + ETH_HLEN + ETH_FCS_LEN; int pause_start, pause_stop; - int atop_wm; + int atop, atop_tot; if (port == ocelot->npi) { maxlen += OCELOT_TAG_LEN; @@ -1269,12 +1274,12 @@ void ocelot_port_set_maxlen(struct ocelot *ocelot, int port, size_t sdu) ocelot_fields_write(ocelot, port, SYS_PAUSE_CFG_PAUSE_STOP, pause_stop); - /* Tail dropping watermark */ - atop_wm = (ocelot->shared_queue_sz - 9 * maxlen) / + /* Tail dropping watermarks */ + atop_tot = (ocelot->shared_queue_sz - 9 * maxlen) / OCELOT_BUFFER_CELL_SZ; - ocelot_write_rix(ocelot, ocelot->ops->wm_enc(9 * maxlen), - SYS_ATOP, port); - ocelot_write(ocelot, ocelot->ops->wm_enc(atop_wm), SYS_ATOP_TOT_CFG); + atop = (9 * maxlen) / OCELOT_BUFFER_CELL_SZ; + ocelot_write_rix(ocelot, ocelot->ops->wm_enc(atop), SYS_ATOP, port); + ocelot_write(ocelot, ocelot->ops->wm_enc(atop_tot), SYS_ATOP_TOT_CFG); } EXPORT_SYMBOL(ocelot_port_set_maxlen); @@ -1300,6 +1305,7 @@ void ocelot_init_port(struct ocelot *ocelot, int port) struct ocelot_port *ocelot_port = ocelot->ports[port]; skb_queue_head_init(&ocelot_port->tx_skbs); + spin_lock_init(&ocelot_port->ts_id_lock); /* Basic L2 initialization */ @@ -1544,18 +1550,18 @@ EXPORT_SYMBOL(ocelot_init); void ocelot_deinit(struct ocelot *ocelot) { - struct ocelot_port *port; - int i; - cancel_delayed_work(&ocelot->stats_work); destroy_workqueue(ocelot->stats_queue); mutex_destroy(&ocelot->stats_lock); - - for (i = 0; i < ocelot->num_phys_ports; i++) { - port = ocelot->ports[i]; - skb_queue_purge(&port->tx_skbs); - } } EXPORT_SYMBOL(ocelot_deinit); +void ocelot_deinit_port(struct ocelot *ocelot, int port) +{ + struct ocelot_port *ocelot_port = ocelot->ports[port]; + + skb_queue_purge(&ocelot_port->tx_skbs); +} +EXPORT_SYMBOL(ocelot_deinit_port); + MODULE_LICENSE("Dual MIT/GPL"); diff --git a/drivers/net/ethernet/mscc/ocelot_net.c b/drivers/net/ethernet/mscc/ocelot_net.c index 0668d23cdbfa9a..8490e42e9e2d5d 100644 --- a/drivers/net/ethernet/mscc/ocelot_net.c +++ b/drivers/net/ethernet/mscc/ocelot_net.c @@ -330,6 +330,7 @@ static int ocelot_port_xmit(struct sk_buff *skb, struct net_device *dev) u8 grp = 0; /* Send everything on CPU group 0 */ unsigned int i, count, last; int port = priv->chip_port; + bool do_tstamp; val = ocelot_read(ocelot, QS_INJ_STATUS); if (!(val & QS_INJ_STATUS_FIFO_RDY(BIT(grp))) || @@ -344,10 +345,12 @@ static int ocelot_port_xmit(struct sk_buff *skb, struct net_device *dev) info.vid = skb_vlan_tag_get(skb); /* Check if timestamping is needed */ + do_tstamp = (ocelot_port_add_txtstamp_skb(ocelot_port, skb) == 0); + if (ocelot->ptp && shinfo->tx_flags & SKBTX_HW_TSTAMP) { info.rew_op = ocelot_port->ptp_cmd; if (ocelot_port->ptp_cmd == IFH_REW_OP_TWO_STEP_PTP) - info.rew_op |= (ocelot_port->ts_id % 4) << 3; + info.rew_op |= skb->cb[0] << 3; } ocelot_gen_ifh(ifh, &info); @@ -380,12 +383,9 @@ static int ocelot_port_xmit(struct sk_buff *skb, struct net_device *dev) dev->stats.tx_packets++; dev->stats.tx_bytes += skb->len; - if (!ocelot_port_add_txtstamp_skb(ocelot_port, skb)) { - ocelot_port->ts_id++; - return NETDEV_TX_OK; - } + if (!do_tstamp) + dev_kfree_skb_any(skb); - dev_kfree_skb_any(skb); return NETDEV_TX_OK; } diff --git a/drivers/net/ethernet/mscc/ocelot_vsc7514.c b/drivers/net/ethernet/mscc/ocelot_vsc7514.c index 65408bc994c4d3..8a6917691ba68c 100644 --- a/drivers/net/ethernet/mscc/ocelot_vsc7514.c +++ b/drivers/net/ethernet/mscc/ocelot_vsc7514.c @@ -745,6 +745,8 @@ static int ocelot_reset(struct ocelot *ocelot) */ static u16 ocelot_wm_enc(u16 value) { + WARN_ON(value >= 16 * BIT(8)); + if (value >= BIT(8)) return BIT(8) | (value / 16); @@ -806,17 +808,17 @@ static const struct vcap_field vsc7514_vcap_is2_keys[] = { [VCAP_IS2_HK_DIP_EQ_SIP] = {123, 1}, /* IP4_TCP_UDP (TYPE=100) */ [VCAP_IS2_HK_TCP] = {124, 1}, - [VCAP_IS2_HK_L4_SPORT] = {125, 16}, - [VCAP_IS2_HK_L4_DPORT] = {141, 16}, + [VCAP_IS2_HK_L4_DPORT] = {125, 16}, + [VCAP_IS2_HK_L4_SPORT] = {141, 16}, [VCAP_IS2_HK_L4_RNG] = {157, 8}, [VCAP_IS2_HK_L4_SPORT_EQ_DPORT] = {165, 1}, [VCAP_IS2_HK_L4_SEQUENCE_EQ0] = {166, 1}, - [VCAP_IS2_HK_L4_URG] = {167, 1}, - [VCAP_IS2_HK_L4_ACK] = {168, 1}, - [VCAP_IS2_HK_L4_PSH] = {169, 1}, - [VCAP_IS2_HK_L4_RST] = {170, 1}, - [VCAP_IS2_HK_L4_SYN] = {171, 1}, - [VCAP_IS2_HK_L4_FIN] = {172, 1}, + [VCAP_IS2_HK_L4_FIN] = {167, 1}, + [VCAP_IS2_HK_L4_SYN] = {168, 1}, + [VCAP_IS2_HK_L4_RST] = {169, 1}, + [VCAP_IS2_HK_L4_PSH] = {170, 1}, + [VCAP_IS2_HK_L4_ACK] = {171, 1}, + [VCAP_IS2_HK_L4_URG] = {172, 1}, [VCAP_IS2_HK_L4_1588_DOM] = {173, 8}, [VCAP_IS2_HK_L4_1588_VER] = {181, 4}, /* IP4_OTHER (TYPE=101) */ @@ -896,11 +898,137 @@ static struct ptp_clock_info ocelot_ptp_clock_info = { .enable = ocelot_ptp_enable, }; +static void mscc_ocelot_release_ports(struct ocelot *ocelot) +{ + int port; + + for (port = 0; port < ocelot->num_phys_ports; port++) { + struct ocelot_port_private *priv; + struct ocelot_port *ocelot_port; + + ocelot_port = ocelot->ports[port]; + if (!ocelot_port) + continue; + + ocelot_deinit_port(ocelot, port); + + priv = container_of(ocelot_port, struct ocelot_port_private, + port); + + unregister_netdev(priv->dev); + free_netdev(priv->dev); + } +} + +static int mscc_ocelot_init_ports(struct platform_device *pdev, + struct device_node *ports) +{ + struct ocelot *ocelot = platform_get_drvdata(pdev); + struct device_node *portnp; + int err; + + ocelot->ports = devm_kcalloc(ocelot->dev, ocelot->num_phys_ports, + sizeof(struct ocelot_port *), GFP_KERNEL); + if (!ocelot->ports) + return -ENOMEM; + + /* No NPI port */ + ocelot_configure_cpu(ocelot, -1, OCELOT_TAG_PREFIX_NONE, + OCELOT_TAG_PREFIX_NONE); + + for_each_available_child_of_node(ports, portnp) { + struct ocelot_port_private *priv; + struct ocelot_port *ocelot_port; + struct device_node *phy_node; + phy_interface_t phy_mode; + struct phy_device *phy; + struct regmap *target; + struct resource *res; + struct phy *serdes; + char res_name[8]; + u32 port; + + if (of_property_read_u32(portnp, "reg", &port)) + continue; + + snprintf(res_name, sizeof(res_name), "port%d", port); + + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, + res_name); + target = ocelot_regmap_init(ocelot, res); + if (IS_ERR(target)) + continue; + + phy_node = of_parse_phandle(portnp, "phy-handle", 0); + if (!phy_node) + continue; + + phy = of_phy_find_device(phy_node); + of_node_put(phy_node); + if (!phy) + continue; + + err = ocelot_probe_port(ocelot, port, target, phy); + if (err) { + of_node_put(portnp); + return err; + } + + ocelot_port = ocelot->ports[port]; + priv = container_of(ocelot_port, struct ocelot_port_private, + port); + + of_get_phy_mode(portnp, &phy_mode); + + ocelot_port->phy_mode = phy_mode; + + switch (ocelot_port->phy_mode) { + case PHY_INTERFACE_MODE_NA: + continue; + case PHY_INTERFACE_MODE_SGMII: + break; + case PHY_INTERFACE_MODE_QSGMII: + /* Ensure clock signals and speed is set on all + * QSGMII links + */ + ocelot_port_writel(ocelot_port, + DEV_CLOCK_CFG_LINK_SPEED + (OCELOT_SPEED_1000), + DEV_CLOCK_CFG); + break; + default: + dev_err(ocelot->dev, + "invalid phy mode for port%d, (Q)SGMII only\n", + port); + of_node_put(portnp); + return -EINVAL; + } + + serdes = devm_of_phy_get(ocelot->dev, portnp, NULL); + if (IS_ERR(serdes)) { + err = PTR_ERR(serdes); + if (err == -EPROBE_DEFER) + dev_dbg(ocelot->dev, "deferring probe\n"); + else + dev_err(ocelot->dev, + "missing SerDes phys for port%d\n", + port); + + of_node_put(portnp); + return err; + } + + priv->serdes = serdes; + } + + return 0; +} + static int mscc_ocelot_probe(struct platform_device *pdev) { struct device_node *np = pdev->dev.of_node; - struct device_node *ports, *portnp; int err, irq_xtr, irq_ptp_rdy; + struct device_node *ports; struct ocelot *ocelot; struct regmap *hsio; unsigned int i; @@ -985,20 +1113,24 @@ static int mscc_ocelot_probe(struct platform_device *pdev) ports = of_get_child_by_name(np, "ethernet-ports"); if (!ports) { - dev_err(&pdev->dev, "no ethernet-ports child node found\n"); + dev_err(ocelot->dev, "no ethernet-ports child node found\n"); return -ENODEV; } ocelot->num_phys_ports = of_get_child_count(ports); - ocelot->ports = devm_kcalloc(&pdev->dev, ocelot->num_phys_ports, - sizeof(struct ocelot_port *), GFP_KERNEL); - ocelot->vcap_is2_keys = vsc7514_vcap_is2_keys; ocelot->vcap_is2_actions = vsc7514_vcap_is2_actions; ocelot->vcap = vsc7514_vcap_props; - ocelot_init(ocelot); + err = ocelot_init(ocelot); + if (err) + goto out_put_ports; + + err = mscc_ocelot_init_ports(pdev, ports); + if (err) + goto out_put_ports; + if (ocelot->ptp) { err = ocelot_init_timestamp(ocelot, &ocelot_ptp_clock_info); if (err) { @@ -1008,96 +1140,6 @@ static int mscc_ocelot_probe(struct platform_device *pdev) } } - /* No NPI port */ - ocelot_configure_cpu(ocelot, -1, OCELOT_TAG_PREFIX_NONE, - OCELOT_TAG_PREFIX_NONE); - - for_each_available_child_of_node(ports, portnp) { - struct ocelot_port_private *priv; - struct ocelot_port *ocelot_port; - struct device_node *phy_node; - phy_interface_t phy_mode; - struct phy_device *phy; - struct regmap *target; - struct resource *res; - struct phy *serdes; - char res_name[8]; - u32 port; - - if (of_property_read_u32(portnp, "reg", &port)) - continue; - - snprintf(res_name, sizeof(res_name), "port%d", port); - - res = platform_get_resource_byname(pdev, IORESOURCE_MEM, - res_name); - target = ocelot_regmap_init(ocelot, res); - if (IS_ERR(target)) - continue; - - phy_node = of_parse_phandle(portnp, "phy-handle", 0); - if (!phy_node) - continue; - - phy = of_phy_find_device(phy_node); - of_node_put(phy_node); - if (!phy) - continue; - - err = ocelot_probe_port(ocelot, port, target, phy); - if (err) { - of_node_put(portnp); - goto out_put_ports; - } - - ocelot_port = ocelot->ports[port]; - priv = container_of(ocelot_port, struct ocelot_port_private, - port); - - of_get_phy_mode(portnp, &phy_mode); - - ocelot_port->phy_mode = phy_mode; - - switch (ocelot_port->phy_mode) { - case PHY_INTERFACE_MODE_NA: - continue; - case PHY_INTERFACE_MODE_SGMII: - break; - case PHY_INTERFACE_MODE_QSGMII: - /* Ensure clock signals and speed is set on all - * QSGMII links - */ - ocelot_port_writel(ocelot_port, - DEV_CLOCK_CFG_LINK_SPEED - (OCELOT_SPEED_1000), - DEV_CLOCK_CFG); - break; - default: - dev_err(ocelot->dev, - "invalid phy mode for port%d, (Q)SGMII only\n", - port); - of_node_put(portnp); - err = -EINVAL; - goto out_put_ports; - } - - serdes = devm_of_phy_get(ocelot->dev, portnp, NULL); - if (IS_ERR(serdes)) { - err = PTR_ERR(serdes); - if (err == -EPROBE_DEFER) - dev_dbg(ocelot->dev, "deferring probe\n"); - else - dev_err(ocelot->dev, - "missing SerDes phys for port%d\n", - port); - - of_node_put(portnp); - goto out_put_ports; - } - - priv->serdes = serdes; - } - register_netdevice_notifier(&ocelot_netdevice_nb); register_switchdev_notifier(&ocelot_switchdev_nb); register_switchdev_blocking_notifier(&ocelot_switchdev_blocking_nb); @@ -1114,6 +1156,7 @@ static int mscc_ocelot_remove(struct platform_device *pdev) struct ocelot *ocelot = platform_get_drvdata(pdev); ocelot_deinit_timestamp(ocelot); + mscc_ocelot_release_ports(ocelot); ocelot_deinit(ocelot); unregister_switchdev_blocking_notifier(&ocelot_switchdev_blocking_nb); unregister_switchdev_notifier(&ocelot_switchdev_nb); diff --git a/drivers/net/ethernet/natsemi/natsemi.c b/drivers/net/ethernet/natsemi/natsemi.c index c2867fe995bc5e..3de8430ee8c5d1 100644 --- a/drivers/net/ethernet/natsemi/natsemi.c +++ b/drivers/net/ethernet/natsemi/natsemi.c @@ -3081,7 +3081,7 @@ static int netdev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) switch(cmd) { case SIOCGMIIPHY: /* Get address of MII PHY in use. */ data->phy_id = np->phy_addr_external; - /* Fall Through */ + fallthrough; case SIOCGMIIREG: /* Read MII PHY register. */ /* The phy_id is not enough to uniquely identify diff --git a/drivers/net/ethernet/neterion/vxge/vxge-config.c b/drivers/net/ethernet/neterion/vxge/vxge-config.c index 4f1f90f5e178a6..78eba10300ae6d 100644 --- a/drivers/net/ethernet/neterion/vxge/vxge-config.c +++ b/drivers/net/ethernet/neterion/vxge/vxge-config.c @@ -3768,20 +3768,20 @@ vxge_hw_rts_rth_data0_data1_get(u32 j, u64 *data0, u64 *data1, VXGE_HW_RTS_ACCESS_STEER_DATA0_RTH_ITEM0_ENTRY_EN | VXGE_HW_RTS_ACCESS_STEER_DATA0_RTH_ITEM0_BUCKET_DATA( itable[j]); - /* fall through */ + fallthrough; case 2: *data0 |= VXGE_HW_RTS_ACCESS_STEER_DATA0_RTH_ITEM1_BUCKET_NUM(j)| VXGE_HW_RTS_ACCESS_STEER_DATA0_RTH_ITEM1_ENTRY_EN | VXGE_HW_RTS_ACCESS_STEER_DATA0_RTH_ITEM1_BUCKET_DATA( itable[j]); - /* fall through */ + fallthrough; case 3: *data1 = VXGE_HW_RTS_ACCESS_STEER_DATA1_RTH_ITEM0_BUCKET_NUM(j)| VXGE_HW_RTS_ACCESS_STEER_DATA1_RTH_ITEM0_ENTRY_EN | VXGE_HW_RTS_ACCESS_STEER_DATA1_RTH_ITEM0_BUCKET_DATA( itable[j]); - /* fall through */ + fallthrough; case 4: *data1 |= VXGE_HW_RTS_ACCESS_STEER_DATA1_RTH_ITEM1_BUCKET_NUM(j)| diff --git a/drivers/net/ethernet/netronome/nfp/crypto/tls.c b/drivers/net/ethernet/netronome/nfp/crypto/tls.c index 7c50e3dfb9d525..76c51da5b66f31 100644 --- a/drivers/net/ethernet/netronome/nfp/crypto/tls.c +++ b/drivers/net/ethernet/netronome/nfp/crypto/tls.c @@ -296,7 +296,7 @@ nfp_net_tls_add(struct net_device *netdev, struct sock *sk, break; } #endif - /* fall through */ + fallthrough; case AF_INET: req_sz = sizeof(struct nfp_crypto_req_add_v4); ipv6 = false; diff --git a/drivers/net/ethernet/netronome/nfp/flower/action.c b/drivers/net/ethernet/netronome/nfp/flower/action.c index ff844e5cc41fb4..1cbe2c9f3959f9 100644 --- a/drivers/net/ethernet/netronome/nfp/flower/action.c +++ b/drivers/net/ethernet/netronome/nfp/flower/action.c @@ -297,7 +297,7 @@ nfp_fl_get_tun_from_act(struct nfp_app *app, case htons(GENEVE_UDP_PORT): if (priv->flower_ext_feats & NFP_FL_FEATS_GENEVE) return NFP_FL_TUNNEL_GENEVE; - /* FALLTHROUGH */ + fallthrough; default: return NFP_FL_TUNNEL_NONE; } diff --git a/drivers/net/ethernet/netronome/nfp/flower/cmsg.c b/drivers/net/ethernet/netronome/nfp/flower/cmsg.c index a050cb89878284..f21cf1f40f9873 100644 --- a/drivers/net/ethernet/netronome/nfp/flower/cmsg.c +++ b/drivers/net/ethernet/netronome/nfp/flower/cmsg.c @@ -289,7 +289,7 @@ nfp_flower_cmsg_process_one_rx(struct nfp_app *app, struct sk_buff *skb) skb_stored = nfp_flower_lag_unprocessed_msg(app, skb); break; } - /* fall through */ + fallthrough; default: err_default: nfp_flower_cmsg_warn(app, "Cannot handle invalid repr control type %u\n", diff --git a/drivers/net/ethernet/netronome/nfp/flower/offload.c b/drivers/net/ethernet/netronome/nfp/flower/offload.c index 4651fe417b7f87..36356f96661d7b 100644 --- a/drivers/net/ethernet/netronome/nfp/flower/offload.c +++ b/drivers/net/ethernet/netronome/nfp/flower/offload.c @@ -784,7 +784,7 @@ nfp_flower_copy_pre_actions(char *act_dst, char *act_src, int len, case NFP_FL_ACTION_OPCODE_PRE_TUNNEL: if (tunnel_act) *tunnel_act = true; - /* fall through */ + fallthrough; case NFP_FL_ACTION_OPCODE_PRE_LAG: memcpy(act_dst + act_off, act_src + act_off, act_len); break; diff --git a/drivers/net/ethernet/netronome/nfp/flower/tunnel_conf.c b/drivers/net/ethernet/netronome/nfp/flower/tunnel_conf.c index 2df3deedf9fd85..7248d248f60416 100644 --- a/drivers/net/ethernet/netronome/nfp/flower/tunnel_conf.c +++ b/drivers/net/ethernet/netronome/nfp/flower/tunnel_conf.c @@ -61,6 +61,7 @@ struct nfp_tun_active_tuns { * @flags: options part of the request * @tun_info.ipv6: dest IPv6 address of active route * @tun_info.egress_port: port the encapsulated packet egressed + * @tun_info.extra: reserved for future use * @tun_info: tunnels that have sent traffic in reported period */ struct nfp_tun_active_tuns_v6 { @@ -70,6 +71,7 @@ struct nfp_tun_active_tuns_v6 { struct route_ip_info_v6 { struct in6_addr ipv6; __be32 egress_port; + __be32 extra[2]; } tun_info[]; }; diff --git a/drivers/net/ethernet/netronome/nfp/nfp_asm.c b/drivers/net/ethernet/netronome/nfp/nfp_asm.c index b04b83687fe219..2643ea5948f48f 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_asm.c +++ b/drivers/net/ethernet/netronome/nfp/nfp_asm.c @@ -137,7 +137,7 @@ static u16 nfp_swreg_to_unreg(swreg reg, bool is_dst) val; case NN_LM_MOD_DEC: lm_dec = true; - /* fall through */ + fallthrough; case NN_LM_MOD_INC: if (val) { pr_err("LM offset in inc/dev mode\n"); diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c index 39ee23e8c0bfd6..21ea22694e479a 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c +++ b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c @@ -1940,10 +1940,10 @@ static int nfp_net_rx(struct nfp_net_rx_ring *rx_ring, int budget) continue; default: bpf_warn_invalid_xdp_action(act); - /* fall through */ + fallthrough; case XDP_ABORTED: trace_xdp_exception(dp->netdev, xdp_prog, act); - /* fall through */ + fallthrough; case XDP_DROP: nfp_net_rx_give_one(dp, rx_ring, rxbuf->frag, rxbuf->dma_addr); diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c b/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c index 6eb9fb9a181453..9c9ae33d84ce98 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c +++ b/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c @@ -829,8 +829,8 @@ nfp_port_get_fecparam(struct net_device *netdev, struct nfp_eth_table_port *eth_port; struct nfp_port *port; - param->active_fec = ETHTOOL_FEC_NONE_BIT; - param->fec = ETHTOOL_FEC_NONE_BIT; + param->active_fec = ETHTOOL_FEC_NONE; + param->fec = ETHTOOL_FEC_NONE; port = nfp_port_from_netdev(netdev); eth_port = nfp_port_get_eth_port(port); diff --git a/drivers/net/ethernet/netronome/nfp/nfpcore/nfp6000_pcie.c b/drivers/net/ethernet/netronome/nfp/nfpcore/nfp6000_pcie.c index a486008eb80a9d..252fe06f58aacd 100644 --- a/drivers/net/ethernet/netronome/nfp/nfpcore/nfp6000_pcie.c +++ b/drivers/net/ethernet/netronome/nfp/nfpcore/nfp6000_pcie.c @@ -340,12 +340,12 @@ static int matching_bar(struct nfp_bar *bar, u32 tgt, u32 act, u32 tok, switch (maptype) { case NFP_PCIE_BAR_PCIE2CPP_MapType_TARGET: bartok = -1; - /* FALLTHROUGH */ + fallthrough; case NFP_PCIE_BAR_PCIE2CPP_MapType_BULK: baract = NFP_CPP_ACTION_RW; if (act == 0) act = NFP_CPP_ACTION_RW; - /* FALLTHROUGH */ + fallthrough; case NFP_PCIE_BAR_PCIE2CPP_MapType_FIXED: break; default: diff --git a/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_rtsym.c b/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_rtsym.c index 75f012444796d3..2260c2403a83a1 100644 --- a/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_rtsym.c +++ b/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_rtsym.c @@ -213,7 +213,7 @@ u64 nfp_rtsym_size(const struct nfp_rtsym *sym) return 0; default: pr_warn("rtsym '%s': unknown type: %d\n", sym->name, sym->type); - /* fall through */ + fallthrough; case NFP_RTSYM_TYPE_OBJECT: case NFP_RTSYM_TYPE_FUNCTION: return sym->size; diff --git a/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_param.c b/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_param.c index a26966fa40b93f..dceec80fd64227 100644 --- a/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_param.c +++ b/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_param.c @@ -410,7 +410,7 @@ static void pch_gbe_check_copper_options(struct pch_gbe_adapter *adapter) case SPEED_1000 + HALF_DUPLEX: netdev_dbg(adapter->netdev, "Half Duplex is not supported at 1000 Mbps\n"); - /* fall through */ + fallthrough; case SPEED_1000 + FULL_DUPLEX: full_duplex_only: netdev_dbg(adapter->netdev, diff --git a/drivers/net/ethernet/packetengines/yellowfin.c b/drivers/net/ethernet/packetengines/yellowfin.c index 647a1431b35915..3da0753071788f 100644 --- a/drivers/net/ethernet/packetengines/yellowfin.c +++ b/drivers/net/ethernet/packetengines/yellowfin.c @@ -1356,7 +1356,7 @@ static int netdev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) switch(cmd) { case SIOCGMIIPHY: /* Get address of MII PHY in use. */ data->phy_id = np->phys[0] & 0x1f; - /* Fall Through */ + fallthrough; case SIOCGMIIREG: /* Read MII PHY register. */ data->val_out = mdio_read(ioaddr, data->phy_id & 0x1f, data->reg_num & 0x1f); diff --git a/drivers/net/ethernet/pensando/ionic/ionic_txrx.c b/drivers/net/ethernet/pensando/ionic/ionic_txrx.c index 8107d32c27673a..def65fee27b5a6 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_txrx.c +++ b/drivers/net/ethernet/pensando/ionic/ionic_txrx.c @@ -496,9 +496,7 @@ int ionic_txrx_napi(struct napi_struct *napi, int budget) struct ionic_cq *txcq; u32 rx_work_done = 0; u32 tx_work_done = 0; - u32 work_done = 0; u32 flags = 0; - bool unmask; lif = rxcq->bound_q->lif; idev = &lif->ionic->idev; @@ -512,17 +510,12 @@ int ionic_txrx_napi(struct napi_struct *napi, int budget) if (rx_work_done) ionic_rx_fill_cb(rxcq->bound_q); - unmask = (rx_work_done < budget) && (tx_work_done < lif->tx_budget); - - if (unmask && napi_complete_done(napi, rx_work_done)) { + if (rx_work_done < budget && napi_complete_done(napi, rx_work_done)) { flags |= IONIC_INTR_CRED_UNMASK; DEBUG_STATS_INTR_REARM(rxcq->bound_intr); - work_done = rx_work_done; - } else { - work_done = budget; } - if (work_done || flags) { + if (rx_work_done || flags) { flags |= IONIC_INTR_CRED_RESET_COALESCE; ionic_intr_credits(idev->intr_ctrl, rxcq->bound_intr->index, tx_work_done + rx_work_done, flags); @@ -531,7 +524,7 @@ int ionic_txrx_napi(struct napi_struct *napi, int budget) DEBUG_STATS_NAPI_POLL(qcq, rx_work_done); DEBUG_STATS_NAPI_POLL(qcq, tx_work_done); - return work_done; + return rx_work_done; } static dma_addr_t ionic_tx_map_single(struct ionic_queue *q, diff --git a/drivers/net/ethernet/qlogic/netxen/netxen_nic_ethtool.c b/drivers/net/ethernet/qlogic/netxen/netxen_nic_ethtool.c index 66f45fce90fa87..c3f50ddbe82414 100644 --- a/drivers/net/ethernet/qlogic/netxen/netxen_nic_ethtool.c +++ b/drivers/net/ethernet/qlogic/netxen/netxen_nic_ethtool.c @@ -153,7 +153,7 @@ skip: case NETXEN_BRDTYPE_P3_4_GB_MM: supported |= SUPPORTED_Autoneg; advertising |= ADVERTISED_Autoneg; - /* fall through */ + fallthrough; case NETXEN_BRDTYPE_P2_SB31_10G_CX4: case NETXEN_BRDTYPE_P3_10G_CX4: case NETXEN_BRDTYPE_P3_10G_CX4_LP: @@ -182,7 +182,7 @@ skip: supported |= SUPPORTED_TP; check_sfp_module = netif_running(dev) && adapter->has_link_events; - /* fall through */ + fallthrough; case NETXEN_BRDTYPE_P2_SB31_10G: case NETXEN_BRDTYPE_P3_10G_XFP: supported |= SUPPORTED_FIBRE; diff --git a/drivers/net/ethernet/qlogic/qed/qed_cxt.c b/drivers/net/ethernet/qlogic/qed/qed_cxt.c index 876743a79c1f50..0e4cd8890cffc8 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_cxt.c +++ b/drivers/net/ethernet/qlogic/qed/qed_cxt.c @@ -2046,7 +2046,7 @@ int qed_cxt_set_pf_params(struct qed_hwfn *p_hwfn, u32 rdma_tasks) rdma_tasks); /* no need for break since RoCE coexist with Ethernet */ } - /* fall through */ + fallthrough; case QED_PCI_ETH: { struct qed_eth_pf_params *p_params = diff --git a/drivers/net/ethernet/qlogic/qed/qed_dev.c b/drivers/net/ethernet/qlogic/qed/qed_dev.c index b3c9ebaf228077..3db181f3617a53 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_dev.c +++ b/drivers/net/ethernet/qlogic/qed/qed_dev.c @@ -3109,14 +3109,14 @@ int qed_hw_init(struct qed_dev *cdev, struct qed_hw_init_params *p_params) p_hwfn->hw_info.hw_mode); if (rc) break; - /* Fall through */ + fallthrough; case FW_MSG_CODE_DRV_LOAD_PORT: rc = qed_hw_init_port(p_hwfn, p_hwfn->p_main_ptt, p_hwfn->hw_info.hw_mode); if (rc) break; - /* Fall through */ + fallthrough; case FW_MSG_CODE_DRV_LOAD_FUNCTION: rc = qed_hw_init_pf(p_hwfn, p_hwfn->p_main_ptt, p_params->p_tunn, @@ -4253,7 +4253,8 @@ static int qed_hw_get_nvm_info(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) cdev->mf_bits = BIT(QED_MF_LLH_MAC_CLSS) | BIT(QED_MF_LLH_PROTO_CLSS) | BIT(QED_MF_LL2_NON_UNICAST) | - BIT(QED_MF_INTER_PF_SWITCH); + BIT(QED_MF_INTER_PF_SWITCH) | + BIT(QED_MF_DISABLE_ARFS); break; case NVM_CFG1_GLOB_MF_MODE_DEFAULT: cdev->mf_bits = BIT(QED_MF_LLH_MAC_CLSS) | @@ -4266,6 +4267,14 @@ static int qed_hw_get_nvm_info(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) DP_INFO(p_hwfn, "Multi function mode is 0x%lx\n", cdev->mf_bits); + + /* In CMT the PF is unknown when the GFS block processes the + * packet. Therefore cannot use searcher as it has a per PF + * database, and thus ARFS must be disabled. + * + */ + if (QED_IS_CMT(cdev)) + cdev->mf_bits |= BIT(QED_MF_DISABLE_ARFS); } DP_INFO(p_hwfn, "Multi function mode is 0x%lx\n", diff --git a/drivers/net/ethernet/qlogic/qed/qed_l2.c b/drivers/net/ethernet/qlogic/qed/qed_l2.c index 4c6ac8862744c3..07824bf9d68d99 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_l2.c +++ b/drivers/net/ethernet/qlogic/qed/qed_l2.c @@ -1980,6 +1980,9 @@ void qed_arfs_mode_configure(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, struct qed_arfs_config_params *p_cfg_params) { + if (test_bit(QED_MF_DISABLE_ARFS, &p_hwfn->cdev->mf_bits)) + return; + if (p_cfg_params->mode != QED_FILTER_CONFIG_MODE_DISABLE) { qed_gft_config(p_hwfn, p_ptt, p_hwfn->rel_pf_id, p_cfg_params->tcp, diff --git a/drivers/net/ethernet/qlogic/qed/qed_main.c b/drivers/net/ethernet/qlogic/qed/qed_main.c index 2558cb680db315..50e5eb22e60afa 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_main.c +++ b/drivers/net/ethernet/qlogic/qed/qed_main.c @@ -444,6 +444,8 @@ int qed_fill_dev_info(struct qed_dev *cdev, dev_info->fw_eng = FW_ENGINEERING_VERSION; dev_info->b_inter_pf_switch = test_bit(QED_MF_INTER_PF_SWITCH, &cdev->mf_bits); + if (!test_bit(QED_MF_DISABLE_ARFS, &cdev->mf_bits)) + dev_info->b_arfs_capable = true; dev_info->tx_switching = true; if (hw_info->b_wol_support == QED_WOL_SUPPORT_PME) @@ -761,7 +763,7 @@ static int qed_set_int_mode(struct qed_dev *cdev, bool force_mode) kfree(int_params->msix_table); if (force_mode) goto out; - /* Fallthrough */ + fallthrough; case QED_INT_MODE_MSI: if (cdev->num_hwfns == 1) { @@ -775,7 +777,7 @@ static int qed_set_int_mode(struct qed_dev *cdev, bool force_mode) if (force_mode) goto out; } - /* Fallthrough */ + fallthrough; case QED_INT_MODE_INTA: int_params->out.int_mode = QED_INT_MODE_INTA; diff --git a/drivers/net/ethernet/qlogic/qed/qed_mcp.c b/drivers/net/ethernet/qlogic/qed/qed_mcp.c index 5be08f83e0aa68..cd882c45339429 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_mcp.c +++ b/drivers/net/ethernet/qlogic/qed/qed_mcp.c @@ -1085,7 +1085,7 @@ int qed_mcp_unload_req(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) DP_NOTICE(p_hwfn, "Unknown WoL configuration %02x\n", p_hwfn->cdev->wol_config); - /* Fallthrough */ + fallthrough; case QED_OV_WOL_DEFAULT: wol_param = DRV_MB_PARAM_UNLOAD_WOL_MCP; } @@ -1365,7 +1365,7 @@ static void qed_mcp_handle_link_change(struct qed_hwfn *p_hwfn, break; case LINK_STATUS_SPEED_AND_DUPLEX_1000THD: p_link->full_duplex = false; - /* Fall-through */ + fallthrough; case LINK_STATUS_SPEED_AND_DUPLEX_1000TFD: p_link->speed = 1000; break; @@ -2451,7 +2451,7 @@ qed_mcp_get_shmem_proto(struct qed_hwfn *p_hwfn, break; case FUNC_MF_CFG_PROTOCOL_ROCE: DP_NOTICE(p_hwfn, "RoCE personality is not a valid value!\n"); - /* Fallthrough */ + fallthrough; default: rc = -EINVAL; } @@ -3546,7 +3546,7 @@ qed_mcp_resc_allocation_msg(struct qed_hwfn *p_hwfn, switch (p_in_params->cmd) { case DRV_MSG_SET_RESOURCE_VALUE_MSG: mfw_resc_info.size = p_in_params->resc_max_val; - /* Fallthrough */ + fallthrough; case DRV_MSG_GET_RESOURCE_ALLOC_MSG: break; default: @@ -3823,7 +3823,7 @@ qed_mcp_resc_unlock(struct qed_hwfn *p_hwfn, DP_INFO(p_hwfn, "Resource unlock request for an already released resource [%d]\n", p_params->resource); - /* Fallthrough */ + fallthrough; case RESOURCE_OPCODE_RELEASED: p_params->b_released = true; break; diff --git a/drivers/net/ethernet/qlogic/qed/qed_sriov.c b/drivers/net/ethernet/qlogic/qed/qed_sriov.c index f1f75b6d0421c1..b8dc5c4591ef52 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_sriov.c +++ b/drivers/net/ethernet/qlogic/qed/qed_sriov.c @@ -71,6 +71,7 @@ static int qed_sp_vf_start(struct qed_hwfn *p_hwfn, struct qed_vf_info *p_vf) p_ramrod->personality = PERSONALITY_ETH; break; case QED_PCI_ETH_ROCE: + case QED_PCI_ETH_IWARP: p_ramrod->personality = PERSONALITY_RDMA_AND_ETH; break; default: diff --git a/drivers/net/ethernet/qlogic/qede/qede_filter.c b/drivers/net/ethernet/qlogic/qede/qede_filter.c index f961f65d937249..c59b72c9029329 100644 --- a/drivers/net/ethernet/qlogic/qede/qede_filter.c +++ b/drivers/net/ethernet/qlogic/qede/qede_filter.c @@ -311,6 +311,9 @@ int qede_alloc_arfs(struct qede_dev *edev) { int i; + if (!edev->dev_info.common.b_arfs_capable) + return -EINVAL; + edev->arfs = vzalloc(sizeof(*edev->arfs)); if (!edev->arfs) return -ENOMEM; diff --git a/drivers/net/ethernet/qlogic/qede/qede_main.c b/drivers/net/ethernet/qlogic/qede/qede_main.c index 140a392a81bbd6..9e1f41ba766ce8 100644 --- a/drivers/net/ethernet/qlogic/qede/qede_main.c +++ b/drivers/net/ethernet/qlogic/qede/qede_main.c @@ -804,7 +804,7 @@ static void qede_init_ndev(struct qede_dev *edev) NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | NETIF_F_TSO | NETIF_F_TSO6 | NETIF_F_HW_TC; - if (!IS_VF(edev) && edev->dev_info.common.num_hwfns == 1) + if (edev->dev_info.common.b_arfs_capable) hw_features |= NETIF_F_NTUPLE; if (edev->dev_info.common.vxlan_enable || @@ -2274,7 +2274,7 @@ static void qede_unload(struct qede_dev *edev, enum qede_unload_mode mode, qede_vlan_mark_nonconfigured(edev); edev->ops->fastpath_stop(edev->cdev); - if (!IS_VF(edev) && edev->dev_info.common.num_hwfns == 1) { + if (edev->dev_info.common.b_arfs_capable) { qede_poll_for_freeing_arfs_filters(edev); qede_free_arfs(edev); } @@ -2341,10 +2341,9 @@ static int qede_load(struct qede_dev *edev, enum qede_load_mode mode, if (rc) goto err2; - if (!IS_VF(edev) && edev->dev_info.common.num_hwfns == 1) { - rc = qede_alloc_arfs(edev); - if (rc) - DP_NOTICE(edev, "aRFS memory allocation failed\n"); + if (qede_alloc_arfs(edev)) { + edev->ndev->features &= ~NETIF_F_NTUPLE; + edev->dev_info.common.b_arfs_capable = false; } qede_napi_add_enable(edev); diff --git a/drivers/net/ethernet/qlogic/qla3xxx.c b/drivers/net/ethernet/qlogic/qla3xxx.c index 0d0e38debbc26b..569e2a7a64e542 100644 --- a/drivers/net/ethernet/qlogic/qla3xxx.c +++ b/drivers/net/ethernet/qlogic/qla3xxx.c @@ -1542,7 +1542,7 @@ static void ql_link_state_machine_work(struct work_struct *work) if (test_bit(QL_LINK_MASTER, &qdev->flags)) ql_port_start(qdev); qdev->port_link_state = LS_DOWN; - /* Fall Through */ + fallthrough; case LS_DOWN: if (curr_link_state == LS_UP) { diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ethtool.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ethtool.c index 5c2a3acf1e89b1..b9894d54469c49 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ethtool.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ethtool.c @@ -353,7 +353,7 @@ skip: case QLCNIC_BRDTYPE_P3P_4_GB_MM: supported |= SUPPORTED_Autoneg; advertising |= ADVERTISED_Autoneg; - /* fall through */ + fallthrough; case QLCNIC_BRDTYPE_P3P_10G_CX4: case QLCNIC_BRDTYPE_P3P_10G_CX4_LP: case QLCNIC_BRDTYPE_P3P_10000_BASE_T: @@ -377,7 +377,7 @@ skip: supported |= SUPPORTED_TP; check_sfp_module = netif_running(adapter->netdev) && ahw->has_link_events; - /* fall through */ + fallthrough; case QLCNIC_BRDTYPE_P3P_10G_XFP: supported |= SUPPORTED_FIBRE; advertising |= ADVERTISED_FIBRE; diff --git a/drivers/net/ethernet/realtek/r8169_main.c b/drivers/net/ethernet/realtek/r8169_main.c index d1da92ac7fbec8..11e6962a18e425 100644 --- a/drivers/net/ethernet/realtek/r8169_main.c +++ b/drivers/net/ethernet/realtek/r8169_main.c @@ -2058,11 +2058,18 @@ static void rtl_release_firmware(struct rtl8169_private *tp) void r8169_apply_firmware(struct rtl8169_private *tp) { + int val; + /* TODO: release firmware if rtl_fw_write_firmware signals failure. */ if (tp->rtl_fw) { rtl_fw_write_firmware(tp, tp->rtl_fw); /* At least one firmware doesn't reset tp->ocp_base. */ tp->ocp_base = OCP_STD_PHY_BASE; + + /* PHY soft reset may still be in progress */ + phy_read_poll_timeout(tp->phydev, MII_BMCR, val, + !(val & BMCR_RESET), + 50000, 600000, true); } } @@ -2239,14 +2246,10 @@ static void rtl_pll_power_down(struct rtl8169_private *tp) default: break; } - - clk_disable_unprepare(tp->clk); } static void rtl_pll_power_up(struct rtl8169_private *tp) { - clk_prepare_enable(tp->clk); - switch (tp->mac_version) { case RTL_GIGA_MAC_VER_25 ... RTL_GIGA_MAC_VER_33: case RTL_GIGA_MAC_VER_37: @@ -2904,7 +2907,7 @@ static void rtl_hw_start_8168f_1(struct rtl8169_private *tp) { 0x08, 0x0001, 0x0002 }, { 0x09, 0x0000, 0x0080 }, { 0x19, 0x0000, 0x0224 }, - { 0x00, 0x0000, 0x0004 }, + { 0x00, 0x0000, 0x0008 }, { 0x0c, 0x3df0, 0x0200 }, }; @@ -2921,7 +2924,7 @@ static void rtl_hw_start_8411(struct rtl8169_private *tp) { 0x06, 0x00c0, 0x0020 }, { 0x0f, 0xffff, 0x5200 }, { 0x19, 0x0000, 0x0224 }, - { 0x00, 0x0000, 0x0004 }, + { 0x00, 0x0000, 0x0008 }, { 0x0c, 0x3df0, 0x0200 }, }; @@ -4826,29 +4829,43 @@ static void rtl8169_net_suspend(struct rtl8169_private *tp) #ifdef CONFIG_PM +static int rtl8169_net_resume(struct rtl8169_private *tp) +{ + rtl_rar_set(tp, tp->dev->dev_addr); + + if (tp->TxDescArray) + rtl8169_up(tp); + + netif_device_attach(tp->dev); + + return 0; +} + static int __maybe_unused rtl8169_suspend(struct device *device) { struct rtl8169_private *tp = dev_get_drvdata(device); rtnl_lock(); rtl8169_net_suspend(tp); + if (!device_may_wakeup(tp_to_dev(tp))) + clk_disable_unprepare(tp->clk); rtnl_unlock(); return 0; } -static int rtl8169_resume(struct device *device) +static int __maybe_unused rtl8169_resume(struct device *device) { struct rtl8169_private *tp = dev_get_drvdata(device); - rtl_rar_set(tp, tp->dev->dev_addr); + if (!device_may_wakeup(tp_to_dev(tp))) + clk_prepare_enable(tp->clk); - if (tp->TxDescArray) - rtl8169_up(tp); + /* Reportedly at least Asus X453MA truncates packets otherwise */ + if (tp->mac_version == RTL_GIGA_MAC_VER_37) + rtl_init_rxcfg(tp); - netif_device_attach(tp->dev); - - return 0; + return rtl8169_net_resume(tp); } static int rtl8169_runtime_suspend(struct device *device) @@ -4874,7 +4891,7 @@ static int rtl8169_runtime_resume(struct device *device) __rtl8169_set_wol(tp, tp->saved_wolopts); - return rtl8169_resume(device); + return rtl8169_net_resume(tp); } static int rtl8169_runtime_idle(struct device *device) @@ -4994,7 +5011,7 @@ static int rtl_alloc_irq(struct rtl8169_private *tp) rtl_unlock_config_regs(tp); RTL_W8(tp, Config2, RTL_R8(tp, Config2) & ~MSIEnable); rtl_lock_config_regs(tp); - /* fall through */ + fallthrough; case RTL_GIGA_MAC_VER_07 ... RTL_GIGA_MAC_VER_17: flags = PCI_IRQ_LEGACY; break; @@ -5137,7 +5154,7 @@ static void rtl_hw_initialize(struct rtl8169_private *tp) switch (tp->mac_version) { case RTL_GIGA_MAC_VER_49 ... RTL_GIGA_MAC_VER_52: rtl8168ep_stop_cmac(tp); - /* fall through */ + fallthrough; case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_48: rtl_hw_init_8168g(tp); break; diff --git a/drivers/net/ethernet/rocker/rocker_main.c b/drivers/net/ethernet/rocker/rocker_main.c index fc99e7118e494d..9cc31f7e0df1d2 100644 --- a/drivers/net/ethernet/rocker/rocker_main.c +++ b/drivers/net/ethernet/rocker/rocker_main.c @@ -2169,7 +2169,7 @@ static void rocker_router_fib_event_work(struct work_struct *work) rocker_world_fib4_del(rocker, &fib_work->fen_info); fib_info_put(fib_work->fen_info.fi); break; - case FIB_EVENT_RULE_ADD: /* fall through */ + case FIB_EVENT_RULE_ADD: case FIB_EVENT_RULE_DEL: rule = fib_work->fr_info.rule; if (!fib4_rule_default(rule)) @@ -2201,7 +2201,7 @@ static int rocker_router_fib_event(struct notifier_block *nb, fib_work->event = event; switch (event) { - case FIB_EVENT_ENTRY_REPLACE: /* fall through */ + case FIB_EVENT_ENTRY_REPLACE: case FIB_EVENT_ENTRY_DEL: if (info->family == AF_INET) { struct fib_entry_notifier_info *fen_info = ptr; @@ -2224,7 +2224,7 @@ static int rocker_router_fib_event(struct notifier_block *nb, */ fib_info_hold(fib_work->fen_info.fi); break; - case FIB_EVENT_RULE_ADD: /* fall through */ + case FIB_EVENT_RULE_ADD: case FIB_EVENT_RULE_DEL: memcpy(&fib_work->fr_info, ptr, sizeof(fib_work->fr_info)); fib_rule_get(fib_work->fr_info.rule); @@ -2811,7 +2811,7 @@ static int rocker_switchdev_event(struct notifier_block *unused, switchdev_work->event = event; switch (event) { - case SWITCHDEV_FDB_ADD_TO_DEVICE: /* fall through */ + case SWITCHDEV_FDB_ADD_TO_DEVICE: case SWITCHDEV_FDB_DEL_TO_DEVICE: memcpy(&switchdev_work->fdb_info, ptr, sizeof(switchdev_work->fdb_info)); @@ -3099,9 +3099,10 @@ struct rocker_walk_data { struct rocker_port *port; }; -static int rocker_lower_dev_walk(struct net_device *lower_dev, void *_data) +static int rocker_lower_dev_walk(struct net_device *lower_dev, + struct netdev_nested_priv *priv) { - struct rocker_walk_data *data = _data; + struct rocker_walk_data *data = (struct rocker_walk_data *)priv->data; int ret = 0; if (rocker_port_dev_check_under(lower_dev, data->rocker)) { @@ -3115,6 +3116,7 @@ static int rocker_lower_dev_walk(struct net_device *lower_dev, void *_data) struct rocker_port *rocker_port_dev_lower_find(struct net_device *dev, struct rocker *rocker) { + struct netdev_nested_priv priv; struct rocker_walk_data data; if (rocker_port_dev_check_under(dev, rocker)) @@ -3122,7 +3124,8 @@ struct rocker_port *rocker_port_dev_lower_find(struct net_device *dev, data.rocker = rocker; data.port = NULL; - netdev_walk_all_lower_dev(dev, rocker_lower_dev_walk, &data); + priv.data = (void *)&data; + netdev_walk_all_lower_dev(dev, rocker_lower_dev_walk, &priv); return data.port; } diff --git a/drivers/net/ethernet/samsung/sxgbe/sxgbe_ethtool.c b/drivers/net/ethernet/samsung/sxgbe/sxgbe_ethtool.c index 21465cb3d60ab0..7f8b10c4966073 100644 --- a/drivers/net/ethernet/samsung/sxgbe/sxgbe_ethtool.c +++ b/drivers/net/ethernet/samsung/sxgbe/sxgbe_ethtool.c @@ -316,7 +316,7 @@ static int sxgbe_get_rss_hash_opts(struct sxgbe_priv_data *priv, case TCP_V4_FLOW: case UDP_V4_FLOW: cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; - /* Fall through */ + fallthrough; case SCTP_V4_FLOW: case AH_ESP_V4_FLOW: case AH_V4_FLOW: @@ -327,7 +327,7 @@ static int sxgbe_get_rss_hash_opts(struct sxgbe_priv_data *priv, case TCP_V6_FLOW: case UDP_V6_FLOW: cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; - /* Fall through */ + fallthrough; case SCTP_V6_FLOW: case AH_ESP_V6_FLOW: case AH_V6_FLOW: diff --git a/drivers/net/ethernet/sfc/ef100.c b/drivers/net/ethernet/sfc/ef100.c index c54b7f8243f3ba..ffdb36715a4968 100644 --- a/drivers/net/ethernet/sfc/ef100.c +++ b/drivers/net/ethernet/sfc/ef100.c @@ -490,6 +490,7 @@ static int ef100_pci_probe(struct pci_dev *pci_dev, if (fcw.offset > pci_resource_len(efx->pci_dev, fcw.bar) - ESE_GZ_FCW_LEN) { netif_err(efx, probe, efx->net_dev, "Func control window overruns BAR\n"); + rc = -EIO; goto fail; } diff --git a/drivers/net/ethernet/sfc/ef100_rx.c b/drivers/net/ethernet/sfc/ef100_rx.c index 012925e878f4ef..85207acf7dee94 100644 --- a/drivers/net/ethernet/sfc/ef100_rx.c +++ b/drivers/net/ethernet/sfc/ef100_rx.c @@ -36,7 +36,7 @@ bool ef100_rx_buf_hash_valid(const u8 *prefix) return PREFIX_FIELD(prefix, RSS_HASH_VALID); } -static bool check_fcs(struct efx_channel *channel, u32 *prefix) +static bool ef100_has_fcs_error(struct efx_channel *channel, u32 *prefix) { u16 rxclass; u8 l2status; @@ -46,11 +46,11 @@ static bool check_fcs(struct efx_channel *channel, u32 *prefix) if (likely(l2status == ESE_GZ_RH_HCLASS_L2_STATUS_OK)) /* Everything is ok */ - return 0; + return false; if (l2status == ESE_GZ_RH_HCLASS_L2_STATUS_FCS_ERR) channel->n_rx_eth_crc_err++; - return 1; + return true; } void __ef100_rx_packet(struct efx_channel *channel) @@ -63,7 +63,7 @@ void __ef100_rx_packet(struct efx_channel *channel) prefix = (u32 *)(eh - ESE_GZ_RX_PKT_PREFIX_LEN); - if (check_fcs(channel, prefix) && + if (ef100_has_fcs_error(channel, prefix) && unlikely(!(efx->net_dev->features & NETIF_F_RXALL))) goto out; diff --git a/drivers/net/ethernet/sfc/falcon/ethtool.c b/drivers/net/ethernet/sfc/falcon/ethtool.c index db90d94e24c925..a6bae6a234bac5 100644 --- a/drivers/net/ethernet/sfc/falcon/ethtool.c +++ b/drivers/net/ethernet/sfc/falcon/ethtool.c @@ -957,7 +957,7 @@ ef4_ethtool_get_rxnfc(struct net_device *net_dev, switch (info->flow_type) { case TCP_V4_FLOW: info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; - /* Fall through */ + fallthrough; case UDP_V4_FLOW: case SCTP_V4_FLOW: case AH_ESP_V4_FLOW: diff --git a/drivers/net/ethernet/sfc/falcon/farch.c b/drivers/net/ethernet/sfc/falcon/farch.c index 332183280a459d..fa1ade856b104e 100644 --- a/drivers/net/ethernet/sfc/falcon/farch.c +++ b/drivers/net/ethernet/sfc/falcon/farch.c @@ -1049,10 +1049,10 @@ ef4_farch_handle_rx_event(struct ef4_channel *channel, const ef4_qword_t *event) switch (rx_ev_hdr_type) { case FSE_CZ_RX_EV_HDR_TYPE_IPV4V6_TCP: flags |= EF4_RX_PKT_TCP; - /* fall through */ + fallthrough; case FSE_CZ_RX_EV_HDR_TYPE_IPV4V6_UDP: flags |= EF4_RX_PKT_CSUMMED; - /* fall through */ + fallthrough; case FSE_CZ_RX_EV_HDR_TYPE_IPV4V6_OTHER: case FSE_AZ_RX_EV_HDR_TYPE_OTHER: break; @@ -1310,7 +1310,7 @@ int ef4_farch_ev_process(struct ef4_channel *channel, int budget) if (efx->type->handle_global_event && efx->type->handle_global_event(channel, &event)) break; - /* else fall through */ + fallthrough; default: netif_err(channel->efx, hw, channel->efx->net_dev, "channel %d unknown event type %d (data " @@ -1983,7 +1983,7 @@ ef4_farch_filter_from_gen_spec(struct ef4_farch_filter_spec *spec, EF4_FILTER_MATCH_LOC_HOST | EF4_FILTER_MATCH_LOC_PORT | EF4_FILTER_MATCH_REM_HOST | EF4_FILTER_MATCH_REM_PORT): is_full = true; - /* fall through */ + fallthrough; case (EF4_FILTER_MATCH_ETHER_TYPE | EF4_FILTER_MATCH_IP_PROTO | EF4_FILTER_MATCH_LOC_HOST | EF4_FILTER_MATCH_LOC_PORT): { __be32 rhost, host1, host2; @@ -2034,7 +2034,7 @@ ef4_farch_filter_from_gen_spec(struct ef4_farch_filter_spec *spec, case EF4_FILTER_MATCH_LOC_MAC | EF4_FILTER_MATCH_OUTER_VID: is_full = true; - /* fall through */ + fallthrough; case EF4_FILTER_MATCH_LOC_MAC: spec->type = (is_full ? EF4_FARCH_FILTER_MAC_FULL : EF4_FARCH_FILTER_MAC_WILD); @@ -2081,7 +2081,7 @@ ef4_farch_filter_to_gen_spec(struct ef4_filter_spec *gen_spec, case EF4_FARCH_FILTER_TCP_FULL: case EF4_FARCH_FILTER_UDP_FULL: is_full = true; - /* fall through */ + fallthrough; case EF4_FARCH_FILTER_TCP_WILD: case EF4_FARCH_FILTER_UDP_WILD: { __be32 host1, host2; @@ -2125,7 +2125,7 @@ ef4_farch_filter_to_gen_spec(struct ef4_filter_spec *gen_spec, case EF4_FARCH_FILTER_MAC_FULL: is_full = true; - /* fall through */ + fallthrough; case EF4_FARCH_FILTER_MAC_WILD: gen_spec->match_flags = EF4_FILTER_MATCH_LOC_MAC; if (is_full) diff --git a/drivers/net/ethernet/sfc/farch.c b/drivers/net/ethernet/sfc/farch.c index d07eeaad9bdffd..4002f9a3ae9096 100644 --- a/drivers/net/ethernet/sfc/farch.c +++ b/drivers/net/ethernet/sfc/farch.c @@ -1038,10 +1038,10 @@ efx_farch_handle_rx_event(struct efx_channel *channel, const efx_qword_t *event) switch (rx_ev_hdr_type) { case FSE_CZ_RX_EV_HDR_TYPE_IPV4V6_TCP: flags |= EFX_RX_PKT_TCP; - /* fall through */ + fallthrough; case FSE_CZ_RX_EV_HDR_TYPE_IPV4V6_UDP: flags |= EFX_RX_PKT_CSUMMED; - /* fall through */ + fallthrough; case FSE_CZ_RX_EV_HDR_TYPE_IPV4V6_OTHER: case FSE_AZ_RX_EV_HDR_TYPE_OTHER: break; @@ -1316,7 +1316,7 @@ int efx_farch_ev_process(struct efx_channel *channel, int budget) if (efx->type->handle_global_event && efx->type->handle_global_event(channel, &event)) break; - /* else fall through */ + fallthrough; default: netif_err(channel->efx, hw, channel->efx->net_dev, "channel %d unknown event type %d (data " @@ -2043,7 +2043,7 @@ efx_farch_filter_from_gen_spec(struct efx_farch_filter_spec *spec, EFX_FILTER_MATCH_LOC_HOST | EFX_FILTER_MATCH_LOC_PORT | EFX_FILTER_MATCH_REM_HOST | EFX_FILTER_MATCH_REM_PORT): is_full = true; - /* fall through */ + fallthrough; case (EFX_FILTER_MATCH_ETHER_TYPE | EFX_FILTER_MATCH_IP_PROTO | EFX_FILTER_MATCH_LOC_HOST | EFX_FILTER_MATCH_LOC_PORT): { __be32 rhost, host1, host2; @@ -2094,7 +2094,7 @@ efx_farch_filter_from_gen_spec(struct efx_farch_filter_spec *spec, case EFX_FILTER_MATCH_LOC_MAC | EFX_FILTER_MATCH_OUTER_VID: is_full = true; - /* fall through */ + fallthrough; case EFX_FILTER_MATCH_LOC_MAC: spec->type = (is_full ? EFX_FARCH_FILTER_MAC_FULL : EFX_FARCH_FILTER_MAC_WILD); @@ -2141,7 +2141,7 @@ efx_farch_filter_to_gen_spec(struct efx_filter_spec *gen_spec, case EFX_FARCH_FILTER_TCP_FULL: case EFX_FARCH_FILTER_UDP_FULL: is_full = true; - /* fall through */ + fallthrough; case EFX_FARCH_FILTER_TCP_WILD: case EFX_FARCH_FILTER_UDP_WILD: { __be32 host1, host2; @@ -2185,7 +2185,7 @@ efx_farch_filter_to_gen_spec(struct efx_filter_spec *gen_spec, case EFX_FARCH_FILTER_MAC_FULL: is_full = true; - /* fall through */ + fallthrough; case EFX_FARCH_FILTER_MAC_WILD: gen_spec->match_flags = EFX_FILTER_MATCH_LOC_MAC; if (is_full) diff --git a/drivers/net/ethernet/sfc/mcdi_filters.c b/drivers/net/ethernet/sfc/mcdi_filters.c index 5a74d880b73383..1523be77b9db6c 100644 --- a/drivers/net/ethernet/sfc/mcdi_filters.c +++ b/drivers/net/ethernet/sfc/mcdi_filters.c @@ -140,7 +140,7 @@ efx_mcdi_filter_push_prep_set_match_fields(struct efx_nic *efx, switch (encap_type & EFX_ENCAP_TYPES_MASK) { case EFX_ENCAP_TYPE_VXLAN: vni_type = MC_CMD_FILTER_OP_EXT_IN_VNI_TYPE_VXLAN; - /* fallthrough */ + fallthrough; case EFX_ENCAP_TYPE_GENEVE: COPY_VALUE(ether_type, ETHER_TYPE); outer_ip_proto = IPPROTO_UDP; diff --git a/drivers/net/ethernet/sfc/mcdi_port_common.c b/drivers/net/ethernet/sfc/mcdi_port_common.c index 56af8b54a864f2..714d7f93721225 100644 --- a/drivers/net/ethernet/sfc/mcdi_port_common.c +++ b/drivers/net/ethernet/sfc/mcdi_port_common.c @@ -282,7 +282,7 @@ void efx_mcdi_phy_decode_link(struct efx_nic *efx, break; default: WARN_ON(1); - /* Fall through */ + fallthrough; case MC_CMD_FCNTL_OFF: link_state->fc = 0; break; diff --git a/drivers/net/ethernet/sfc/rx.c b/drivers/net/ethernet/sfc/rx.c index 59a43d586967fd..aaa112877561ff 100644 --- a/drivers/net/ethernet/sfc/rx.c +++ b/drivers/net/ethernet/sfc/rx.c @@ -358,7 +358,7 @@ static bool efx_do_xdp(struct efx_nic *efx, struct efx_channel *channel, case XDP_ABORTED: trace_xdp_exception(efx->net_dev, xdp_prog, xdp_act); - /* Fall through */ + fallthrough; case XDP_DROP: efx_free_rx_buffers(rx_queue, rx_buf, 1); channel->n_rx_xdp_drops++; diff --git a/drivers/net/ethernet/sis/sis900.c b/drivers/net/ethernet/sis/sis900.c index 336105f7731312..cfa460c7db2316 100644 --- a/drivers/net/ethernet/sis/sis900.c +++ b/drivers/net/ethernet/sis/sis900.c @@ -2228,7 +2228,7 @@ static int mii_ioctl(struct net_device *net_dev, struct ifreq *rq, int cmd) switch(cmd) { case SIOCGMIIPHY: /* Get address of MII PHY in use. */ data->phy_id = sis_priv->mii->phy_addr; - /* Fall Through */ + fallthrough; case SIOCGMIIREG: /* Read MII PHY register. */ data->val_out = mdio_read(net_dev, data->phy_id & 0x1f, data->reg_num & 0x1f); diff --git a/drivers/net/ethernet/smsc/smc911x.c b/drivers/net/ethernet/smsc/smc911x.c index 186c0bddbe5fec..01069dfaf75c9c 100644 --- a/drivers/net/ethernet/smsc/smc911x.c +++ b/drivers/net/ethernet/smsc/smc911x.c @@ -712,7 +712,7 @@ static void smc911x_phy_detect(struct net_device *dev) /* Found an external PHY */ break; } - /* Else, fall through */ + fallthrough; default: /* Internal media only */ SMC_GET_PHY_ID1(lp, 1, id1); diff --git a/drivers/net/ethernet/socionext/netsec.c b/drivers/net/ethernet/socionext/netsec.c index 25db667fa879c1..806eb651cea30f 100644 --- a/drivers/net/ethernet/socionext/netsec.c +++ b/drivers/net/ethernet/socionext/netsec.c @@ -919,10 +919,10 @@ static u32 netsec_run_xdp(struct netsec_priv *priv, struct bpf_prog *prog, break; default: bpf_warn_invalid_xdp_action(act); - /* fall through */ + fallthrough; case XDP_ABORTED: trace_xdp_exception(priv->ndev, prog, act); - /* fall through -- handle aborts by dropping packet */ + fallthrough; /* handle aborts by dropping packet */ case XDP_DROP: ret = NETSEC_XDP_CONSUMED; page = virt_to_head_page(xdp->data); diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-anarion.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-anarion.c index d0d2d0fc5f0a9a..08c76636c16413 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-anarion.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-anarion.c @@ -84,9 +84,10 @@ static struct anarion_gmac *anarion_config_dt(struct platform_device *pdev) return ERR_PTR(err); switch (phy_mode) { - case PHY_INTERFACE_MODE_RGMII: /* Fall through */ - case PHY_INTERFACE_MODE_RGMII_ID /* Fall through */: - case PHY_INTERFACE_MODE_RGMII_RXID: /* Fall through */ + case PHY_INTERFACE_MODE_RGMII: + fallthrough; + case PHY_INTERFACE_MODE_RGMII_ID: + case PHY_INTERFACE_MODE_RGMII_RXID: case PHY_INTERFACE_MODE_RGMII_TXID: gmac->phy_intf_sel = GMAC_CONFIG_INTF_RGMII; break; diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c index 2ac9dfb3462c69..9e6d60e75f85da 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c @@ -653,7 +653,6 @@ static void intel_eth_pci_remove(struct pci_dev *pdev) pci_free_irq_vectors(pdev); - clk_disable_unprepare(priv->plat->stmmac_clk); clk_unregister_fixed_rate(priv->plat->stmmac_clk); pcim_iounmap_regions(pdev, BIT(0)); diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac.h b/drivers/net/ethernet/stmicro/stmmac/stmmac.h index 9c02fc754bf1b8..545696971f65e4 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac.h +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac.h @@ -203,6 +203,8 @@ struct stmmac_priv { int eee_enabled; int eee_active; int tx_lpi_timer; + int tx_lpi_enabled; + int eee_tw_timer; unsigned int mode; unsigned int chain_mode; int extend_desc; diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c index ac5e8cc5fb9f53..814879f91f7613 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c @@ -665,6 +665,7 @@ static int stmmac_ethtool_op_get_eee(struct net_device *dev, edata->eee_enabled = priv->eee_enabled; edata->eee_active = priv->eee_active; edata->tx_lpi_timer = priv->tx_lpi_timer; + edata->tx_lpi_enabled = priv->tx_lpi_enabled; return phylink_ethtool_get_eee(priv->phylink, edata); } @@ -675,24 +676,26 @@ static int stmmac_ethtool_op_set_eee(struct net_device *dev, struct stmmac_priv *priv = netdev_priv(dev); int ret; - if (!edata->eee_enabled) { + if (!priv->dma_cap.eee) + return -EOPNOTSUPP; + + if (priv->tx_lpi_enabled != edata->tx_lpi_enabled) + netdev_warn(priv->dev, + "Setting EEE tx-lpi is not supported\n"); + + if (!edata->eee_enabled) stmmac_disable_eee_mode(priv); - } else { - /* We are asking for enabling the EEE but it is safe - * to verify all by invoking the eee_init function. - * In case of failure it will return an error. - */ - edata->eee_enabled = stmmac_eee_init(priv); - if (!edata->eee_enabled) - return -EOPNOTSUPP; - } ret = phylink_ethtool_set_eee(priv->phylink, edata); if (ret) return ret; - priv->eee_enabled = edata->eee_enabled; - priv->tx_lpi_timer = edata->tx_lpi_timer; + if (edata->eee_enabled && + priv->tx_lpi_timer != edata->tx_lpi_timer) { + priv->tx_lpi_timer = edata->tx_lpi_timer; + stmmac_eee_init(priv); + } + return 0; } diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index 89b2b3472852b2..b56b13d64ab484 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -94,7 +94,7 @@ static const u32 default_msg_level = (NETIF_MSG_DRV | NETIF_MSG_PROBE | static int eee_timer = STMMAC_DEFAULT_LPI_TIMER; module_param(eee_timer, int, 0644); MODULE_PARM_DESC(eee_timer, "LPI tx expiration time in msec"); -#define STMMAC_LPI_T(x) (jiffies + msecs_to_jiffies(x)) +#define STMMAC_LPI_T(x) (jiffies + usecs_to_jiffies(x)) /* By default the driver will use the ring mode to manage tx and rx descriptors, * but allow user to force to use the chain instead of the ring @@ -370,7 +370,7 @@ static void stmmac_eee_ctrl_timer(struct timer_list *t) struct stmmac_priv *priv = from_timer(priv, t, eee_ctrl_timer); stmmac_enable_eee_mode(priv); - mod_timer(&priv->eee_ctrl_timer, STMMAC_LPI_T(eee_timer)); + mod_timer(&priv->eee_ctrl_timer, STMMAC_LPI_T(priv->tx_lpi_timer)); } /** @@ -383,7 +383,7 @@ static void stmmac_eee_ctrl_timer(struct timer_list *t) */ bool stmmac_eee_init(struct stmmac_priv *priv) { - int tx_lpi_timer = priv->tx_lpi_timer; + int eee_tw_timer = priv->eee_tw_timer; /* Using PCS we cannot dial with the phy registers at this stage * so we do not support extra feature like EEE. @@ -403,7 +403,7 @@ bool stmmac_eee_init(struct stmmac_priv *priv) if (priv->eee_enabled) { netdev_dbg(priv->dev, "disable EEE\n"); del_timer_sync(&priv->eee_ctrl_timer); - stmmac_set_eee_timer(priv, priv->hw, 0, tx_lpi_timer); + stmmac_set_eee_timer(priv, priv->hw, 0, eee_tw_timer); } mutex_unlock(&priv->lock); return false; @@ -411,11 +411,12 @@ bool stmmac_eee_init(struct stmmac_priv *priv) if (priv->eee_active && !priv->eee_enabled) { timer_setup(&priv->eee_ctrl_timer, stmmac_eee_ctrl_timer, 0); - mod_timer(&priv->eee_ctrl_timer, STMMAC_LPI_T(eee_timer)); stmmac_set_eee_timer(priv, priv->hw, STMMAC_DEFAULT_LIT_LS, - tx_lpi_timer); + eee_tw_timer); } + mod_timer(&priv->eee_ctrl_timer, STMMAC_LPI_T(priv->tx_lpi_timer)); + mutex_unlock(&priv->lock); netdev_dbg(priv->dev, "Energy-Efficient Ethernet initialized\n"); return true; @@ -930,6 +931,7 @@ static void stmmac_mac_link_down(struct phylink_config *config, stmmac_mac_set(priv, priv->ioaddr, false); priv->eee_active = false; + priv->tx_lpi_enabled = false; stmmac_eee_init(priv); stmmac_set_eee_pls(priv, priv->hw, false); } @@ -1027,6 +1029,7 @@ static void stmmac_mac_link_up(struct phylink_config *config, if (phy && priv->dma_cap.eee) { priv->eee_active = phy_init_eee(phy, 1) >= 0; priv->eee_enabled = stmmac_eee_init(priv); + priv->tx_lpi_enabled = priv->eee_enabled; stmmac_set_eee_pls(priv, priv->hw, true); } } @@ -2061,7 +2064,7 @@ static int stmmac_tx_clean(struct stmmac_priv *priv, int budget, u32 queue) if ((priv->eee_enabled) && (!priv->tx_path_in_lpi_mode)) { stmmac_enable_eee_mode(priv); - mod_timer(&priv->eee_ctrl_timer, STMMAC_LPI_T(eee_timer)); + mod_timer(&priv->eee_ctrl_timer, STMMAC_LPI_T(priv->tx_lpi_timer)); } /* We still have pending packets, let's call for a new scheduling */ @@ -2694,7 +2697,11 @@ static int stmmac_hw_setup(struct net_device *dev, bool init_ptp) netdev_warn(priv->dev, "PTP init failed\n"); } - priv->tx_lpi_timer = STMMAC_DEFAULT_TWT_LS; + priv->eee_tw_timer = STMMAC_DEFAULT_TWT_LS; + + /* Convert the timer from msec to usec */ + if (!priv->tx_lpi_timer) + priv->tx_lpi_timer = eee_timer * 1000; if (priv->use_riwt) { if (!priv->rx_riwt) diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c index e113b1376fddac..bf195adee393fa 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c @@ -1985,7 +1985,7 @@ void stmmac_selftest_run(struct net_device *dev, ret = phy_loopback(dev->phydev, true); if (!ret) break; - /* Fallthrough */ + fallthrough; case STMMAC_LOOPBACK_MAC: ret = stmmac_set_mac_loopback(priv, priv->ioaddr, true); break; @@ -2018,7 +2018,7 @@ void stmmac_selftest_run(struct net_device *dev, ret = phy_loopback(dev->phydev, false); if (!ret) break; - /* Fallthrough */ + fallthrough; case STMMAC_LOOPBACK_MAC: stmmac_set_mac_loopback(priv, priv->ioaddr, false); break; diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c index 3d747846f4829b..cc27d660a81851 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c @@ -228,7 +228,7 @@ static int tc_setup_cls_u32(struct stmmac_priv *priv, switch (cls->command) { case TC_CLSU32_REPLACE_KNODE: tc_unfill_entry(priv, cls); - /* Fall through */ + fallthrough; case TC_CLSU32_NEW_KNODE: return tc_config_knode(priv, cls); case TC_CLSU32_DELETE_KNODE: diff --git a/drivers/net/ethernet/sun/cassini.c b/drivers/net/ethernet/sun/cassini.c index e2bc7a25f6d1fb..b624e177ec7152 100644 --- a/drivers/net/ethernet/sun/cassini.c +++ b/drivers/net/ethernet/sun/cassini.c @@ -4759,7 +4759,7 @@ static int cas_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) switch (cmd) { case SIOCGMIIPHY: /* Get address of MII PHY in use. */ data->phy_id = cp->phy_addr; - /* Fallthrough... */ + fallthrough; case SIOCGMIIREG: /* Read MII PHY register. */ spin_lock_irqsave(&cp->lock, flags); diff --git a/drivers/net/ethernet/sun/niu.c b/drivers/net/ethernet/sun/niu.c index 9b5effb7265721..68695d4afacd54 100644 --- a/drivers/net/ethernet/sun/niu.c +++ b/drivers/net/ethernet/sun/niu.c @@ -8835,7 +8835,7 @@ static int walk_phys(struct niu *np, struct niu_parent *parent) else goto unknown_vg_1g_port; - /* fallthru */ + fallthrough; case 0x22: val = (phy_encode(PORT_TYPE_10G, 0) | phy_encode(PORT_TYPE_10G, 1) | @@ -8860,7 +8860,7 @@ static int walk_phys(struct niu *np, struct niu_parent *parent) else goto unknown_vg_1g_port; - /* fallthru */ + fallthrough; case 0x13: if ((lowest_10g & 0x7) == 0) val = (phy_encode(PORT_TYPE_10G, 0) | diff --git a/drivers/net/ethernet/sun/sungem.c b/drivers/net/ethernet/sun/sungem.c index eeb8518c8a84d4..8deb943ca5de0a 100644 --- a/drivers/net/ethernet/sun/sungem.c +++ b/drivers/net/ethernet/sun/sungem.c @@ -2712,7 +2712,7 @@ static int gem_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) switch (cmd) { case SIOCGMIIPHY: /* Get address of MII PHY in use. */ data->phy_id = gp->mii_phy_addr; - /* Fallthrough... */ + fallthrough; case SIOCGMIIREG: /* Read MII PHY register. */ data->val_out = __sungem_phy_read(gp, data->phy_id & 0x1f, diff --git a/drivers/net/ethernet/ti/am65-cpsw-nuss.c b/drivers/net/ethernet/ti/am65-cpsw-nuss.c index cb994f66c3be23..9baf3f3da91e1c 100644 --- a/drivers/net/ethernet/ti/am65-cpsw-nuss.c +++ b/drivers/net/ethernet/ti/am65-cpsw-nuss.c @@ -174,6 +174,8 @@ void am65_cpsw_nuss_adjust_link(struct net_device *ndev) if (phy->speed == 10 && phy_interface_is_rgmii(phy)) /* Can be used with in band mode only */ mac_control |= CPSW_SL_CTL_EXT_EN; + if (phy->speed == 100 && phy->interface == PHY_INTERFACE_MODE_RMII) + mac_control |= CPSW_SL_CTL_IFCTL_A; if (phy->duplex) mac_control |= CPSW_SL_CTL_FULLDUPLEX; diff --git a/drivers/net/ethernet/ti/cpsw-phy-sel.c b/drivers/net/ethernet/ti/cpsw-phy-sel.c index 4e184eecc8e180..6e72ecbe5cf7e5 100644 --- a/drivers/net/ethernet/ti/cpsw-phy-sel.c +++ b/drivers/net/ethernet/ti/cpsw-phy-sel.c @@ -67,7 +67,7 @@ static void cpsw_gmii_sel_am3352(struct cpsw_phy_sel_priv *priv, dev_warn(priv->dev, "Unsupported PHY mode: \"%s\". Defaulting to MII.\n", phy_modes(phy_mode)); - /* fallthrough */ + fallthrough; case PHY_INTERFACE_MODE_MII: mode = AM33XX_GMII_SEL_MODE_MII; break; @@ -122,7 +122,7 @@ static void cpsw_gmii_sel_dra7xx(struct cpsw_phy_sel_priv *priv, dev_warn(priv->dev, "Unsupported PHY mode: \"%s\". Defaulting to MII.\n", phy_modes(phy_mode)); - /* fallthrough */ + fallthrough; case PHY_INTERFACE_MODE_MII: mode = AM33XX_GMII_SEL_MODE_MII; break; diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c index 9b17bbbe102fe4..4a65edc5a37593 100644 --- a/drivers/net/ethernet/ti/cpsw.c +++ b/drivers/net/ethernet/ti/cpsw.c @@ -1116,7 +1116,7 @@ static int cpsw_ndo_vlan_rx_kill_vid(struct net_device *ndev, HOST_PORT_NUM, ALE_VLAN, vid); ret |= cpsw_ale_del_mcast(cpsw->ale, priv->ndev->broadcast, 0, ALE_VLAN, vid); - ret |= cpsw_ale_flush_multicast(cpsw->ale, 0, vid); + ret |= cpsw_ale_flush_multicast(cpsw->ale, ALE_PORT_HOST, vid); err: pm_runtime_put(cpsw->dev); return ret; diff --git a/drivers/net/ethernet/ti/cpsw_new.c b/drivers/net/ethernet/ti/cpsw_new.c index 1247d35d42ef38..15672d0a4de697 100644 --- a/drivers/net/ethernet/ti/cpsw_new.c +++ b/drivers/net/ethernet/ti/cpsw_new.c @@ -17,6 +17,7 @@ #include <linux/phy.h> #include <linux/phy/phy.h> #include <linux/delay.h> +#include <linux/pinctrl/consumer.h> #include <linux/pm_runtime.h> #include <linux/gpio/consumer.h> #include <linux/of.h> @@ -1032,19 +1033,34 @@ static int cpsw_ndo_vlan_rx_kill_vid(struct net_device *ndev, return ret; } + /* reset the return code as pm_runtime_get_sync() can return + * non zero values as well. + */ + ret = 0; for (i = 0; i < cpsw->data.slaves; i++) { if (cpsw->slaves[i].ndev && - vid == cpsw->slaves[i].port_vlan) + vid == cpsw->slaves[i].port_vlan) { + ret = -EINVAL; goto err; + } } dev_dbg(priv->dev, "removing vlanid %d from vlan filter\n", vid); - cpsw_ale_del_vlan(cpsw->ale, vid, 0); - cpsw_ale_del_ucast(cpsw->ale, priv->mac_addr, - HOST_PORT_NUM, ALE_VLAN, vid); - cpsw_ale_del_mcast(cpsw->ale, priv->ndev->broadcast, - 0, ALE_VLAN, vid); - cpsw_ale_flush_multicast(cpsw->ale, 0, vid); + ret = cpsw_ale_del_vlan(cpsw->ale, vid, 0); + if (ret) + dev_err(priv->dev, "cpsw_ale_del_vlan() failed: ret %d\n", ret); + ret = cpsw_ale_del_ucast(cpsw->ale, priv->mac_addr, + HOST_PORT_NUM, ALE_VLAN, vid); + if (ret) + dev_err(priv->dev, "cpsw_ale_del_ucast() failed: ret %d\n", + ret); + ret = cpsw_ale_del_mcast(cpsw->ale, priv->ndev->broadcast, + 0, ALE_VLAN, vid); + if (ret) + dev_err(priv->dev, "cpsw_ale_del_mcast failed. ret %d\n", + ret); + cpsw_ale_flush_multicast(cpsw->ale, ALE_PORT_HOST, vid); + ret = 0; err: pm_runtime_put(cpsw->dev); return ret; @@ -2055,9 +2071,61 @@ static int cpsw_remove(struct platform_device *pdev) return 0; } +static int __maybe_unused cpsw_suspend(struct device *dev) +{ + struct cpsw_common *cpsw = dev_get_drvdata(dev); + int i; + + rtnl_lock(); + + for (i = 0; i < cpsw->data.slaves; i++) { + struct net_device *ndev = cpsw->slaves[i].ndev; + + if (!(ndev && netif_running(ndev))) + continue; + + cpsw_ndo_stop(ndev); + } + + rtnl_unlock(); + + /* Select sleep pin state */ + pinctrl_pm_select_sleep_state(dev); + + return 0; +} + +static int __maybe_unused cpsw_resume(struct device *dev) +{ + struct cpsw_common *cpsw = dev_get_drvdata(dev); + int i; + + /* Select default pin state */ + pinctrl_pm_select_default_state(dev); + + /* shut up ASSERT_RTNL() warning in netif_set_real_num_tx/rx_queues */ + rtnl_lock(); + + for (i = 0; i < cpsw->data.slaves; i++) { + struct net_device *ndev = cpsw->slaves[i].ndev; + + if (!(ndev && netif_running(ndev))) + continue; + + cpsw_ndo_open(ndev); + } + + rtnl_unlock(); + + return 0; +} + +static SIMPLE_DEV_PM_OPS(cpsw_pm_ops, cpsw_suspend, cpsw_resume); + static struct platform_driver cpsw_driver = { .driver = { .name = "cpsw-switch", + .pm = &cpsw_pm_ops, .of_match_table = cpsw_of_mtable, }, .probe = cpsw_probe, diff --git a/drivers/net/ethernet/ti/cpsw_priv.c b/drivers/net/ethernet/ti/cpsw_priv.c index d6d7a7d9c7ad07..482a1a451e4371 100644 --- a/drivers/net/ethernet/ti/cpsw_priv.c +++ b/drivers/net/ethernet/ti/cpsw_priv.c @@ -1371,10 +1371,10 @@ int cpsw_run_xdp(struct cpsw_priv *priv, int ch, struct xdp_buff *xdp, break; default: bpf_warn_invalid_xdp_action(act); - /* fall through */ + fallthrough; case XDP_ABORTED: trace_xdp_exception(ndev, prog, act); - /* fall through -- handle aborts by dropping packet */ + fallthrough; /* handle aborts by dropping packet */ case XDP_DROP: goto drop; } diff --git a/drivers/net/ethernet/ti/tlan.c b/drivers/net/ethernet/ti/tlan.c index 58623e974a0c0d..76a342ea379727 100644 --- a/drivers/net/ethernet/ti/tlan.c +++ b/drivers/net/ethernet/ti/tlan.c @@ -948,7 +948,7 @@ static int tlan_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) switch (cmd) { case SIOCGMIIPHY: /* get address of MII PHY in use. */ data->phy_id = phy; - /* fall through */ + fallthrough; case SIOCGMIIREG: /* read MII PHY register. */ diff --git a/drivers/net/ethernet/toshiba/ps3_gelic_wireless.c b/drivers/net/ethernet/toshiba/ps3_gelic_wireless.c index 2db546b27ee009..dc14a66583ff37 100644 --- a/drivers/net/ethernet/toshiba/ps3_gelic_wireless.c +++ b/drivers/net/ethernet/toshiba/ps3_gelic_wireless.c @@ -877,7 +877,7 @@ static int gelic_wl_set_auth(struct net_device *netdev, case IW_AUTH_KEY_MGMT: if (param->value & IW_AUTH_KEY_MGMT_PSK) break; - /* intentionally fall through */ + fallthrough; default: ret = -EOPNOTSUPP; break; diff --git a/drivers/net/ethernet/toshiba/spider_net.c b/drivers/net/ethernet/toshiba/spider_net.c index 07389702a5400b..5f5b33e6653b2b 100644 --- a/drivers/net/ethernet/toshiba/spider_net.c +++ b/drivers/net/ethernet/toshiba/spider_net.c @@ -786,7 +786,7 @@ spider_net_release_tx_chain(struct spider_net_card *card, int brutal) /* fallthrough, if we release the descriptors * brutally (then we don't care about * SPIDER_NET_DESCR_CARDOWNED) */ - /* Fall through */ + fallthrough; case SPIDER_NET_DESCR_RESPONSE_ERROR: case SPIDER_NET_DESCR_PROTECTION_ERROR: @@ -1397,9 +1397,9 @@ spider_net_handle_error_irq(struct spider_net_card *card, u32 status_reg, show_error = 0; break; - case SPIDER_NET_GDDDEN0INT: /* fallthrough */ - case SPIDER_NET_GDCDEN0INT: /* fallthrough */ - case SPIDER_NET_GDBDEN0INT: /* fallthrough */ + case SPIDER_NET_GDDDEN0INT: + case SPIDER_NET_GDCDEN0INT: + case SPIDER_NET_GDBDEN0INT: case SPIDER_NET_GDADEN0INT: /* someone has set RX_DMA_EN to 0 */ show_error = 0; @@ -1449,10 +1449,10 @@ spider_net_handle_error_irq(struct spider_net_card *card, u32 status_reg, * Logging is not needed. */ show_error = 0; break; - case SPIDER_NET_GRFDFLLINT: /* fallthrough */ - case SPIDER_NET_GRFCFLLINT: /* fallthrough */ - case SPIDER_NET_GRFBFLLINT: /* fallthrough */ - case SPIDER_NET_GRFAFLLINT: /* fallthrough */ + case SPIDER_NET_GRFDFLLINT: + case SPIDER_NET_GRFCFLLINT: + case SPIDER_NET_GRFBFLLINT: + case SPIDER_NET_GRFAFLLINT: case SPIDER_NET_GRMFLLINT: /* Could happen when rx chain is full */ if (card->ignore_rx_ramfull == 0) { @@ -1473,9 +1473,9 @@ spider_net_handle_error_irq(struct spider_net_card *card, u32 status_reg, break; /* chain end */ - case SPIDER_NET_GDDDCEINT: /* fallthrough */ - case SPIDER_NET_GDCDCEINT: /* fallthrough */ - case SPIDER_NET_GDBDCEINT: /* fallthrough */ + case SPIDER_NET_GDDDCEINT: + case SPIDER_NET_GDCDCEINT: + case SPIDER_NET_GDBDCEINT: case SPIDER_NET_GDADCEINT: spider_net_resync_head_ptr(card); spider_net_refill_rx_chain(card); @@ -1486,9 +1486,9 @@ spider_net_handle_error_irq(struct spider_net_card *card, u32 status_reg, break; /* invalid descriptor */ - case SPIDER_NET_GDDINVDINT: /* fallthrough */ - case SPIDER_NET_GDCINVDINT: /* fallthrough */ - case SPIDER_NET_GDBINVDINT: /* fallthrough */ + case SPIDER_NET_GDDINVDINT: + case SPIDER_NET_GDCINVDINT: + case SPIDER_NET_GDBINVDINT: case SPIDER_NET_GDAINVDINT: /* Could happen when rx chain is full */ spider_net_resync_head_ptr(card); diff --git a/drivers/net/ethernet/via/via-rhine.c b/drivers/net/ethernet/via/via-rhine.c index 803247d51fe975..55b0ddab17768b 100644 --- a/drivers/net/ethernet/via/via-rhine.c +++ b/drivers/net/ethernet/via/via-rhine.c @@ -2,7 +2,7 @@ /* Written 1998-2001 by Donald Becker. - Current Maintainer: Roger Luethi <rl@hellgate.ch> + Current Maintainer: Kevin Brace <kevinbrace@bracecomputerlab.com> This software may be used and distributed according to the terms of the GNU General Public License (GPL), incorporated herein by reference. @@ -32,8 +32,6 @@ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #define DRV_NAME "via-rhine" -#define DRV_VERSION "1.5.1" -#define DRV_RELDATE "2010-10-09" #include <linux/types.h> @@ -117,10 +115,6 @@ static const int multicast_filter_limit = 32; #include <linux/uaccess.h> #include <linux/dmi.h> -/* These identify the driver base version and may not be removed. */ -static const char version[] = - "v1.10-LK" DRV_VERSION " " DRV_RELDATE " Written by Donald Becker"; - MODULE_AUTHOR("Donald Becker <becker@scyld.com>"); MODULE_DESCRIPTION("VIA Rhine PCI Fast Ethernet driver"); MODULE_LICENSE("GPL"); @@ -243,7 +237,7 @@ enum rhine_revs { VT8233 = 0x60, /* Integrated MAC */ VT8235 = 0x74, /* Integrated MAC */ VT8237 = 0x78, /* Integrated MAC */ - VTunknown1 = 0x7C, + VT8251 = 0x7C, /* Integrated MAC */ VT6105 = 0x80, VT6105_B0 = 0x83, VT6105L = 0x8A, @@ -1051,11 +1045,6 @@ static int rhine_init_one_pci(struct pci_dev *pdev, u32 quirks = 0; #endif -/* when built into the kernel, we only print version if device is found */ -#ifndef MODULE - pr_info_once("%s\n", version); -#endif - rc = pci_enable_device(pdev); if (rc) goto err_out; @@ -1706,6 +1695,8 @@ static int rhine_open(struct net_device *dev) goto out_free_ring; alloc_tbufs(dev); + enable_mmio(rp->pioaddr, rp->quirks); + rhine_power_init(dev); rhine_chip_reset(dev); rhine_task_enable(rp); init_registers(dev); @@ -2294,7 +2285,6 @@ static void netdev_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *i struct device *hwdev = dev->dev.parent; strlcpy(info->driver, DRV_NAME, sizeof(info->driver)); - strlcpy(info->version, DRV_VERSION, sizeof(info->version)); strlcpy(info->bus_info, dev_name(hwdev), sizeof(info->bus_info)); } @@ -2616,9 +2606,6 @@ static int __init rhine_init(void) int ret_pci, ret_platform; /* when a module, this is printed whether or not devices are found in probe */ -#ifdef MODULE - pr_info("%s\n", version); -#endif if (dmi_check_system(rhine_dmi_table)) { /* these BIOSes fail at PXE boot if chip is in D3 */ avoid_D3 = true; diff --git a/drivers/net/ethernet/xircom/xirc2ps_cs.c b/drivers/net/ethernet/xircom/xirc2ps_cs.c index 3e3883ad88b080..3e337142b5161c 100644 --- a/drivers/net/ethernet/xircom/xirc2ps_cs.c +++ b/drivers/net/ethernet/xircom/xirc2ps_cs.c @@ -1434,7 +1434,7 @@ do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) switch(cmd) { case SIOCGMIIPHY: /* Get the address of the PHY in use. */ data->phy_id = 0; /* we have only this address */ - /* fall through */ + fallthrough; case SIOCGMIIREG: /* Read the specified MII register. */ data->val_out = mii_rd(ioaddr, data->phy_id & 0x1f, data->reg_num & 0x1f); diff --git a/drivers/net/fddi/skfp/pcmplc.c b/drivers/net/fddi/skfp/pcmplc.c index 1be039579d7090..554cde8d6073e6 100644 --- a/drivers/net/fddi/skfp/pcmplc.c +++ b/drivers/net/fddi/skfp/pcmplc.c @@ -847,7 +847,7 @@ static void pcm_fsm(struct s_smc *smc, struct s_phy *phy, int cmd) case ACTIONS(PC5_SIGNAL) : ACTIONS_DONE() ; - /* fall through */ + fallthrough; case PC5_SIGNAL : if ((cmd != PC_SIGNAL) && (cmd != PC_TIMEOUT_LCT)) break ; @@ -946,7 +946,7 @@ static void pcm_fsm(struct s_smc *smc, struct s_phy *phy, int cmd) SETMASK(PLC(np,PL_CNTRL_B),PL_PC_JOIN,PL_PC_JOIN) ; ACTIONS_DONE() ; cmd = 0 ; - /* fall thru */ + fallthrough; case PC6_JOIN : switch (plc->p_state) { case PS_ACTIVE: diff --git a/drivers/net/fjes/fjes_main.c b/drivers/net/fjes/fjes_main.c index 8c810edece866d..466622664424dc 100644 --- a/drivers/net/fjes/fjes_main.c +++ b/drivers/net/fjes/fjes_main.c @@ -974,7 +974,7 @@ static void fjes_stop_req_irq(struct fjes_adapter *adapter, int src_epid) FJES_RX_STOP_REQ_DONE; spin_unlock_irqrestore(&hw->rx_status_lock, flags); clear_bit(src_epid, &hw->txrx_stop_req_bit); - /* fall through */ + fallthrough; case EP_PARTNER_UNSHARE: case EP_PARTNER_COMPLETE: default: diff --git a/drivers/net/geneve.c b/drivers/net/geneve.c index c71f994fbc73cd..974a244f45ba01 100644 --- a/drivers/net/geneve.c +++ b/drivers/net/geneve.c @@ -777,7 +777,8 @@ static struct rtable *geneve_get_v4_rt(struct sk_buff *skb, struct net_device *dev, struct geneve_sock *gs4, struct flowi4 *fl4, - const struct ip_tunnel_info *info) + const struct ip_tunnel_info *info, + __be16 dport, __be16 sport) { bool use_cache = ip_tunnel_dst_cache_usable(skb, info); struct geneve_dev *geneve = netdev_priv(dev); @@ -793,6 +794,8 @@ static struct rtable *geneve_get_v4_rt(struct sk_buff *skb, fl4->flowi4_proto = IPPROTO_UDP; fl4->daddr = info->key.u.ipv4.dst; fl4->saddr = info->key.u.ipv4.src; + fl4->fl4_dport = dport; + fl4->fl4_sport = sport; tos = info->key.tos; if ((tos == 1) && !geneve->cfg.collect_md) { @@ -827,7 +830,8 @@ static struct dst_entry *geneve_get_v6_dst(struct sk_buff *skb, struct net_device *dev, struct geneve_sock *gs6, struct flowi6 *fl6, - const struct ip_tunnel_info *info) + const struct ip_tunnel_info *info, + __be16 dport, __be16 sport) { bool use_cache = ip_tunnel_dst_cache_usable(skb, info); struct geneve_dev *geneve = netdev_priv(dev); @@ -843,6 +847,9 @@ static struct dst_entry *geneve_get_v6_dst(struct sk_buff *skb, fl6->flowi6_proto = IPPROTO_UDP; fl6->daddr = info->key.u.ipv6.dst; fl6->saddr = info->key.u.ipv6.src; + fl6->fl6_dport = dport; + fl6->fl6_sport = sport; + prio = info->key.tos; if ((prio == 1) && !geneve->cfg.collect_md) { prio = ip_tunnel_get_dsfield(ip_hdr(skb), skb); @@ -889,7 +896,9 @@ static int geneve_xmit_skb(struct sk_buff *skb, struct net_device *dev, __be16 sport; int err; - rt = geneve_get_v4_rt(skb, dev, gs4, &fl4, info); + sport = udp_flow_src_port(geneve->net, skb, 1, USHRT_MAX, true); + rt = geneve_get_v4_rt(skb, dev, gs4, &fl4, info, + geneve->cfg.info.key.tp_dst, sport); if (IS_ERR(rt)) return PTR_ERR(rt); @@ -919,7 +928,6 @@ static int geneve_xmit_skb(struct sk_buff *skb, struct net_device *dev, return -EMSGSIZE; } - sport = udp_flow_src_port(geneve->net, skb, 1, USHRT_MAX, true); if (geneve->cfg.collect_md) { tos = ip_tunnel_ecn_encap(key->tos, ip_hdr(skb), skb); ttl = key->ttl; @@ -974,7 +982,9 @@ static int geneve6_xmit_skb(struct sk_buff *skb, struct net_device *dev, __be16 sport; int err; - dst = geneve_get_v6_dst(skb, dev, gs6, &fl6, info); + sport = udp_flow_src_port(geneve->net, skb, 1, USHRT_MAX, true); + dst = geneve_get_v6_dst(skb, dev, gs6, &fl6, info, + geneve->cfg.info.key.tp_dst, sport); if (IS_ERR(dst)) return PTR_ERR(dst); @@ -1003,7 +1013,6 @@ static int geneve6_xmit_skb(struct sk_buff *skb, struct net_device *dev, return -EMSGSIZE; } - sport = udp_flow_src_port(geneve->net, skb, 1, USHRT_MAX, true); if (geneve->cfg.collect_md) { prio = ip_tunnel_ecn_encap(key->tos, ip_hdr(skb), skb); ttl = key->ttl; @@ -1085,13 +1094,18 @@ static int geneve_fill_metadata_dst(struct net_device *dev, struct sk_buff *skb) { struct ip_tunnel_info *info = skb_tunnel_info(skb); struct geneve_dev *geneve = netdev_priv(dev); + __be16 sport; if (ip_tunnel_info_af(info) == AF_INET) { struct rtable *rt; struct flowi4 fl4; + struct geneve_sock *gs4 = rcu_dereference(geneve->sock4); + sport = udp_flow_src_port(geneve->net, skb, + 1, USHRT_MAX, true); - rt = geneve_get_v4_rt(skb, dev, gs4, &fl4, info); + rt = geneve_get_v4_rt(skb, dev, gs4, &fl4, info, + geneve->cfg.info.key.tp_dst, sport); if (IS_ERR(rt)) return PTR_ERR(rt); @@ -1101,9 +1115,13 @@ static int geneve_fill_metadata_dst(struct net_device *dev, struct sk_buff *skb) } else if (ip_tunnel_info_af(info) == AF_INET6) { struct dst_entry *dst; struct flowi6 fl6; + struct geneve_sock *gs6 = rcu_dereference(geneve->sock6); + sport = udp_flow_src_port(geneve->net, skb, + 1, USHRT_MAX, true); - dst = geneve_get_v6_dst(skb, dev, gs6, &fl6, info); + dst = geneve_get_v6_dst(skb, dev, gs6, &fl6, info, + geneve->cfg.info.key.tp_dst, sport); if (IS_ERR(dst)) return PTR_ERR(dst); @@ -1114,8 +1132,7 @@ static int geneve_fill_metadata_dst(struct net_device *dev, struct sk_buff *skb) return -EINVAL; } - info->key.tp_src = udp_flow_src_port(geneve->net, skb, - 1, USHRT_MAX, true); + info->key.tp_src = sport; info->key.tp_dst = geneve->cfg.info.key.tp_dst; return 0; } diff --git a/drivers/net/gtp.c b/drivers/net/gtp.c index 21640a035d7df3..8e47d0112e5dc3 100644 --- a/drivers/net/gtp.c +++ b/drivers/net/gtp.c @@ -1179,6 +1179,7 @@ static int gtp_genl_fill_info(struct sk_buff *skb, u32 snd_portid, u32 snd_seq, goto nlmsg_failure; if (nla_put_u32(skb, GTPA_VERSION, pctx->gtp_version) || + nla_put_u32(skb, GTPA_LINK, pctx->dev->ifindex) || nla_put_be32(skb, GTPA_PEER_ADDRESS, pctx->peer_addr_ip4.s_addr) || nla_put_be32(skb, GTPA_MS_ADDRESS, pctx->ms_addr_ip4.s_addr)) goto nla_put_failure; diff --git a/drivers/net/hamradio/baycom_epp.c b/drivers/net/hamradio/baycom_epp.c index 4476491b58f9d3..e4e4981ac1d297 100644 --- a/drivers/net/hamradio/baycom_epp.c +++ b/drivers/net/hamradio/baycom_epp.c @@ -500,7 +500,7 @@ static int transmit(struct baycom_state *bc, int cnt, unsigned char stat) } break; } - /* fall through */ + fallthrough; default: if (bc->hdlctx.calibrate <= 0) diff --git a/drivers/net/hamradio/mkiss.c b/drivers/net/hamradio/mkiss.c index deef1421511049..17be2bb2985cd0 100644 --- a/drivers/net/hamradio/mkiss.c +++ b/drivers/net/hamradio/mkiss.c @@ -482,7 +482,7 @@ static void ax_encaps(struct net_device *dev, unsigned char *icp, int len) case CRC_MODE_SMACK_TEST: ax->crcmode = CRC_MODE_FLEX_TEST; printk(KERN_INFO "mkiss: %s: Trying crc-smack\n", ax->dev->name); - // fall through + fallthrough; case CRC_MODE_SMACK: *p |= 0x80; crc = swab16(crc16(0, p, len)); @@ -491,7 +491,7 @@ static void ax_encaps(struct net_device *dev, unsigned char *icp, int len) case CRC_MODE_FLEX_TEST: ax->crcmode = CRC_MODE_NONE; printk(KERN_INFO "mkiss: %s: Trying crc-flexnet\n", ax->dev->name); - // fall through + fallthrough; case CRC_MODE_FLEX: *p |= 0x20; crc = calc_crc_flex(p, len); @@ -744,7 +744,6 @@ static int mkiss_open(struct tty_struct *tty) ax->dev->name); break; case 0: - /* fall through */ default: crc_force = 0; printk(KERN_INFO "mkiss: %s: crc mode is auto.\n", diff --git a/drivers/net/hyperv/hyperv_net.h b/drivers/net/hyperv/hyperv_net.h index 2181d4538ab707..a0f338cf14247a 100644 --- a/drivers/net/hyperv/hyperv_net.h +++ b/drivers/net/hyperv/hyperv_net.h @@ -847,6 +847,10 @@ struct nvsp_message { #define NETVSC_XDP_HDRM 256 +#define NETVSC_XFER_HEADER_SIZE(rng_cnt) \ + (offsetof(struct vmtransfer_page_packet_header, ranges) + \ + (rng_cnt) * sizeof(struct vmtransfer_page_range)) + struct multi_send_data { struct sk_buff *skb; /* skb containing the pkt */ struct hv_netvsc_packet *pkt; /* netvsc pkt pending */ @@ -974,6 +978,9 @@ struct net_device_context { /* Serial number of the VF to team with */ u32 vf_serial; + /* Is the current data path through the VF NIC? */ + bool data_path_is_vf; + /* Used to temporarily save the config info across hibernation */ struct netvsc_device_info *saved_netvsc_dev_info; }; diff --git a/drivers/net/hyperv/netvsc.c b/drivers/net/hyperv/netvsc.c index 41f5cf0bb99712..5a57d1985bae62 100644 --- a/drivers/net/hyperv/netvsc.c +++ b/drivers/net/hyperv/netvsc.c @@ -388,6 +388,15 @@ static int netvsc_init_buf(struct hv_device *device, net_device->recv_section_size = resp->sections[0].sub_alloc_size; net_device->recv_section_cnt = resp->sections[0].num_sub_allocs; + /* Ensure buffer will not overflow */ + if (net_device->recv_section_size < NETVSC_MTU_MIN || (u64)net_device->recv_section_size * + (u64)net_device->recv_section_cnt > (u64)buf_size) { + netdev_err(ndev, "invalid recv_section_size %u\n", + net_device->recv_section_size); + ret = -EINVAL; + goto cleanup; + } + /* Setup receive completion ring. * Add 1 to the recv_section_cnt because at least one entry in a * ring buffer has to be empty. @@ -460,6 +469,12 @@ static int netvsc_init_buf(struct hv_device *device, /* Parse the response */ net_device->send_section_size = init_packet->msg. v1_msg.send_send_buf_complete.section_size; + if (net_device->send_section_size < NETVSC_MTU_MIN) { + netdev_err(ndev, "invalid send_section_size %u\n", + net_device->send_section_size); + ret = -EINVAL; + goto cleanup; + } /* Section count is simply the size divided by the section size. */ net_device->send_section_cnt = buf_size / net_device->send_section_size; @@ -731,12 +746,49 @@ static void netvsc_send_completion(struct net_device *ndev, int budget) { const struct nvsp_message *nvsp_packet = hv_pkt_data(desc); + u32 msglen = hv_pkt_datalen(desc); + + /* Ensure packet is big enough to read header fields */ + if (msglen < sizeof(struct nvsp_message_header)) { + netdev_err(ndev, "nvsp_message length too small: %u\n", msglen); + return; + } switch (nvsp_packet->hdr.msg_type) { case NVSP_MSG_TYPE_INIT_COMPLETE: + if (msglen < sizeof(struct nvsp_message_header) + + sizeof(struct nvsp_message_init_complete)) { + netdev_err(ndev, "nvsp_msg length too small: %u\n", + msglen); + return; + } + fallthrough; + case NVSP_MSG1_TYPE_SEND_RECV_BUF_COMPLETE: + if (msglen < sizeof(struct nvsp_message_header) + + sizeof(struct nvsp_1_message_send_receive_buffer_complete)) { + netdev_err(ndev, "nvsp_msg1 length too small: %u\n", + msglen); + return; + } + fallthrough; + case NVSP_MSG1_TYPE_SEND_SEND_BUF_COMPLETE: + if (msglen < sizeof(struct nvsp_message_header) + + sizeof(struct nvsp_1_message_send_send_buffer_complete)) { + netdev_err(ndev, "nvsp_msg1 length too small: %u\n", + msglen); + return; + } + fallthrough; + case NVSP_MSG5_TYPE_SUBCHANNEL: + if (msglen < sizeof(struct nvsp_message_header) + + sizeof(struct nvsp_5_subchannel_complete)) { + netdev_err(ndev, "nvsp_msg5 length too small: %u\n", + msglen); + return; + } /* Copy the response back */ memcpy(&net_device->channel_init_pkt, nvsp_packet, sizeof(struct nvsp_message)); @@ -1117,19 +1169,28 @@ static void enq_receive_complete(struct net_device *ndev, static int netvsc_receive(struct net_device *ndev, struct netvsc_device *net_device, struct netvsc_channel *nvchan, - const struct vmpacket_descriptor *desc, - const struct nvsp_message *nvsp) + const struct vmpacket_descriptor *desc) { struct net_device_context *net_device_ctx = netdev_priv(ndev); struct vmbus_channel *channel = nvchan->channel; const struct vmtransfer_page_packet_header *vmxferpage_packet = container_of(desc, const struct vmtransfer_page_packet_header, d); + const struct nvsp_message *nvsp = hv_pkt_data(desc); + u32 msglen = hv_pkt_datalen(desc); u16 q_idx = channel->offermsg.offer.sub_channel_index; char *recv_buf = net_device->recv_buf; u32 status = NVSP_STAT_SUCCESS; int i; int count = 0; + /* Ensure packet is big enough to read header fields */ + if (msglen < sizeof(struct nvsp_message_header)) { + netif_err(net_device_ctx, rx_err, ndev, + "invalid nvsp header, length too small: %u\n", + msglen); + return 0; + } + /* Make sure this is a valid nvsp packet */ if (unlikely(nvsp->hdr.msg_type != NVSP_MSG1_TYPE_SEND_RNDIS_PKT)) { netif_err(net_device_ctx, rx_err, ndev, @@ -1138,6 +1199,14 @@ static int netvsc_receive(struct net_device *ndev, return 0; } + /* Validate xfer page pkt header */ + if ((desc->offset8 << 3) < sizeof(struct vmtransfer_page_packet_header)) { + netif_err(net_device_ctx, rx_err, ndev, + "Invalid xfer page pkt, offset too small: %u\n", + desc->offset8 << 3); + return 0; + } + if (unlikely(vmxferpage_packet->xfer_pageset_id != NETVSC_RECEIVE_BUFFER_ID)) { netif_err(net_device_ctx, rx_err, ndev, "Invalid xfer page set id - expecting %x got %x\n", @@ -1148,6 +1217,14 @@ static int netvsc_receive(struct net_device *ndev, count = vmxferpage_packet->range_cnt; + /* Check count for a valid value */ + if (NETVSC_XFER_HEADER_SIZE(count) > desc->offset8 << 3) { + netif_err(net_device_ctx, rx_err, ndev, + "Range count is not valid: %d\n", + count); + return 0; + } + /* Each range represents 1 RNDIS pkt that contains 1 ethernet frame */ for (i = 0; i < count; i++) { u32 offset = vmxferpage_packet->ranges[i].byte_offset; @@ -1155,7 +1232,8 @@ static int netvsc_receive(struct net_device *ndev, void *data; int ret; - if (unlikely(offset + buflen > net_device->recv_buf_size)) { + if (unlikely(offset > net_device->recv_buf_size || + buflen > net_device->recv_buf_size - offset)) { nvchan->rsc.cnt = 0; status = NVSP_STAT_FAIL; netif_err(net_device_ctx, rx_err, ndev, @@ -1194,6 +1272,13 @@ static void netvsc_send_table(struct net_device *ndev, u32 count, offset, *tab; int i; + /* Ensure packet is big enough to read send_table fields */ + if (msglen < sizeof(struct nvsp_message_header) + + sizeof(struct nvsp_5_send_indirect_table)) { + netdev_err(ndev, "nvsp_v5_msg length too small: %u\n", msglen); + return; + } + count = nvmsg->msg.v5_msg.send_table.count; offset = nvmsg->msg.v5_msg.send_table.offset; @@ -1225,10 +1310,18 @@ static void netvsc_send_table(struct net_device *ndev, } static void netvsc_send_vf(struct net_device *ndev, - const struct nvsp_message *nvmsg) + const struct nvsp_message *nvmsg, + u32 msglen) { struct net_device_context *net_device_ctx = netdev_priv(ndev); + /* Ensure packet is big enough to read its fields */ + if (msglen < sizeof(struct nvsp_message_header) + + sizeof(struct nvsp_4_send_vf_association)) { + netdev_err(ndev, "nvsp_v4_msg length too small: %u\n", msglen); + return; + } + net_device_ctx->vf_alloc = nvmsg->msg.v4_msg.vf_assoc.allocated; net_device_ctx->vf_serial = nvmsg->msg.v4_msg.vf_assoc.serial; netdev_info(ndev, "VF slot %u %s\n", @@ -1238,16 +1331,24 @@ static void netvsc_send_vf(struct net_device *ndev, static void netvsc_receive_inband(struct net_device *ndev, struct netvsc_device *nvscdev, - const struct nvsp_message *nvmsg, - u32 msglen) + const struct vmpacket_descriptor *desc) { + const struct nvsp_message *nvmsg = hv_pkt_data(desc); + u32 msglen = hv_pkt_datalen(desc); + + /* Ensure packet is big enough to read header fields */ + if (msglen < sizeof(struct nvsp_message_header)) { + netdev_err(ndev, "inband nvsp_message length too small: %u\n", msglen); + return; + } + switch (nvmsg->hdr.msg_type) { case NVSP_MSG5_TYPE_SEND_INDIRECTION_TABLE: netvsc_send_table(ndev, nvscdev, nvmsg, msglen); break; case NVSP_MSG4_TYPE_SEND_VF_ASSOCIATION: - netvsc_send_vf(ndev, nvmsg); + netvsc_send_vf(ndev, nvmsg, msglen); break; } } @@ -1261,23 +1362,20 @@ static int netvsc_process_raw_pkt(struct hv_device *device, { struct vmbus_channel *channel = nvchan->channel; const struct nvsp_message *nvmsg = hv_pkt_data(desc); - u32 msglen = hv_pkt_datalen(desc); trace_nvsp_recv(ndev, channel, nvmsg); switch (desc->type) { case VM_PKT_COMP: - netvsc_send_completion(ndev, net_device, channel, - desc, budget); + netvsc_send_completion(ndev, net_device, channel, desc, budget); break; case VM_PKT_DATA_USING_XFER_PAGES: - return netvsc_receive(ndev, net_device, nvchan, - desc, nvmsg); + return netvsc_receive(ndev, net_device, nvchan, desc); break; case VM_PKT_DATA_INBAND: - netvsc_receive_inband(ndev, net_device, nvmsg, msglen); + netvsc_receive_inband(ndev, net_device, desc); break; default: diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c index 64b0a74c152314..9869e390875e08 100644 --- a/drivers/net/hyperv/netvsc_drv.c +++ b/drivers/net/hyperv/netvsc_drv.c @@ -748,6 +748,13 @@ void netvsc_linkstatus_callback(struct net_device *net, struct netvsc_reconfig *event; unsigned long flags; + /* Ensure the packet is big enough to access its fields */ + if (resp->msg_len - RNDIS_HEADER_SIZE < sizeof(struct rndis_indicate_status)) { + netdev_err(net, "invalid rndis_indicate_status packet, len: %u\n", + resp->msg_len); + return; + } + /* Update the physical link speed when changing to another vSwitch */ if (indicate->status == RNDIS_STATUS_LINK_SPEED_CHANGE) { u32 speed; @@ -2366,7 +2373,16 @@ static int netvsc_register_vf(struct net_device *vf_netdev) return NOTIFY_OK; } -/* VF up/down change detected, schedule to change data path */ +/* Change the data path when VF UP/DOWN/CHANGE are detected. + * + * Typically a UP or DOWN event is followed by a CHANGE event, so + * net_device_ctx->data_path_is_vf is used to cache the current data path + * to avoid the duplicate call of netvsc_switch_datapath() and the duplicate + * message. + * + * During hibernation, if a VF NIC driver (e.g. mlx5) preserves the network + * interface, there is only the CHANGE event and no UP or DOWN event. + */ static int netvsc_vf_changed(struct net_device *vf_netdev) { struct net_device_context *net_device_ctx; @@ -2383,6 +2399,10 @@ static int netvsc_vf_changed(struct net_device *vf_netdev) if (!netvsc_dev) return NOTIFY_DONE; + if (net_device_ctx->data_path_is_vf == vf_is_up) + return NOTIFY_OK; + net_device_ctx->data_path_is_vf = vf_is_up; + netvsc_switch_datapath(ndev, vf_is_up); netdev_info(ndev, "Data path switched %s VF: %s\n", vf_is_up ? "to" : "from", vf_netdev->name); @@ -2587,8 +2607,8 @@ static int netvsc_remove(struct hv_device *dev) static int netvsc_suspend(struct hv_device *dev) { struct net_device_context *ndev_ctx; - struct net_device *vf_netdev, *net; struct netvsc_device *nvdev; + struct net_device *net; int ret; net = hv_get_drvdata(dev); @@ -2604,10 +2624,6 @@ static int netvsc_suspend(struct hv_device *dev) goto out; } - vf_netdev = rtnl_dereference(ndev_ctx->vf_netdev); - if (vf_netdev) - netvsc_unregister_vf(vf_netdev); - /* Save the current config info */ ndev_ctx->saved_netvsc_dev_info = netvsc_devinfo_get(nvdev); @@ -2628,6 +2644,12 @@ static int netvsc_resume(struct hv_device *dev) rtnl_lock(); net_device_ctx = netdev_priv(net); + + /* Reset the data path to the netvsc NIC before re-opening the vmbus + * channel. Later netvsc_netdev_event() will switch the data path to + * the VF upon the UP or CHANGE event. + */ + net_device_ctx->data_path_is_vf = false; device_info = net_device_ctx->saved_netvsc_dev_info; ret = netvsc_attach(net, device_info); @@ -2695,6 +2717,7 @@ static int netvsc_netdev_event(struct notifier_block *this, return netvsc_unregister_vf(event_dev); case NETDEV_UP: case NETDEV_DOWN: + case NETDEV_CHANGE: return netvsc_vf_changed(event_dev); default: return NOTIFY_DONE; diff --git a/drivers/net/hyperv/rndis_filter.c b/drivers/net/hyperv/rndis_filter.c index b81ceba38218c3..12ad471ac5e1fe 100644 --- a/drivers/net/hyperv/rndis_filter.c +++ b/drivers/net/hyperv/rndis_filter.c @@ -275,6 +275,16 @@ static void rndis_filter_receive_response(struct net_device *ndev, return; } + /* Ensure the packet is big enough to read req_id. Req_id is the 1st + * field in any request/response message, so the payload should have at + * least sizeof(u32) bytes + */ + if (resp->msg_len - RNDIS_HEADER_SIZE < sizeof(u32)) { + netdev_err(ndev, "rndis msg_len too small: %u\n", + resp->msg_len); + return; + } + spin_lock_irqsave(&dev->request_lock, flags); list_for_each_entry(request, &dev->req_list, list_ent) { /* @@ -331,8 +341,9 @@ static void rndis_filter_receive_response(struct net_device *ndev, * Get the Per-Packet-Info with the specified type * return NULL if not found. */ -static inline void *rndis_get_ppi(struct rndis_packet *rpkt, - u32 type, u8 internal) +static inline void *rndis_get_ppi(struct net_device *ndev, + struct rndis_packet *rpkt, + u32 rpkt_len, u32 type, u8 internal) { struct rndis_per_packet_info *ppi; int len; @@ -340,11 +351,36 @@ static inline void *rndis_get_ppi(struct rndis_packet *rpkt, if (rpkt->per_pkt_info_offset == 0) return NULL; + /* Validate info_offset and info_len */ + if (rpkt->per_pkt_info_offset < sizeof(struct rndis_packet) || + rpkt->per_pkt_info_offset > rpkt_len) { + netdev_err(ndev, "Invalid per_pkt_info_offset: %u\n", + rpkt->per_pkt_info_offset); + return NULL; + } + + if (rpkt->per_pkt_info_len > rpkt_len - rpkt->per_pkt_info_offset) { + netdev_err(ndev, "Invalid per_pkt_info_len: %u\n", + rpkt->per_pkt_info_len); + return NULL; + } + ppi = (struct rndis_per_packet_info *)((ulong)rpkt + rpkt->per_pkt_info_offset); len = rpkt->per_pkt_info_len; while (len > 0) { + /* Validate ppi_offset and ppi_size */ + if (ppi->size > len) { + netdev_err(ndev, "Invalid ppi size: %u\n", ppi->size); + continue; + } + + if (ppi->ppi_offset >= ppi->size) { + netdev_err(ndev, "Invalid ppi_offset: %u\n", ppi->ppi_offset); + continue; + } + if (ppi->type == type && ppi->internal == internal) return (void *)((ulong)ppi + ppi->ppi_offset); len -= ppi->size; @@ -388,14 +424,29 @@ static int rndis_filter_receive_data(struct net_device *ndev, const struct ndis_pkt_8021q_info *vlan; const struct rndis_pktinfo_id *pktinfo_id; const u32 *hash_info; - u32 data_offset; + u32 data_offset, rpkt_len; void *data; bool rsc_more = false; int ret; + /* Ensure data_buflen is big enough to read header fields */ + if (data_buflen < RNDIS_HEADER_SIZE + sizeof(struct rndis_packet)) { + netdev_err(ndev, "invalid rndis pkt, data_buflen too small: %u\n", + data_buflen); + return NVSP_STAT_FAIL; + } + + /* Validate rndis_pkt offset */ + if (rndis_pkt->data_offset >= data_buflen - RNDIS_HEADER_SIZE) { + netdev_err(ndev, "invalid rndis packet offset: %u\n", + rndis_pkt->data_offset); + return NVSP_STAT_FAIL; + } + /* Remove the rndis header and pass it back up the stack */ data_offset = RNDIS_HEADER_SIZE + rndis_pkt->data_offset; + rpkt_len = data_buflen - RNDIS_HEADER_SIZE; data_buflen -= data_offset; /* @@ -410,13 +461,13 @@ static int rndis_filter_receive_data(struct net_device *ndev, return NVSP_STAT_FAIL; } - vlan = rndis_get_ppi(rndis_pkt, IEEE_8021Q_INFO, 0); + vlan = rndis_get_ppi(ndev, rndis_pkt, rpkt_len, IEEE_8021Q_INFO, 0); - csum_info = rndis_get_ppi(rndis_pkt, TCPIP_CHKSUM_PKTINFO, 0); + csum_info = rndis_get_ppi(ndev, rndis_pkt, rpkt_len, TCPIP_CHKSUM_PKTINFO, 0); - hash_info = rndis_get_ppi(rndis_pkt, NBL_HASH_VALUE, 0); + hash_info = rndis_get_ppi(ndev, rndis_pkt, rpkt_len, NBL_HASH_VALUE, 0); - pktinfo_id = rndis_get_ppi(rndis_pkt, RNDIS_PKTINFO_ID, 1); + pktinfo_id = rndis_get_ppi(ndev, rndis_pkt, rpkt_len, RNDIS_PKTINFO_ID, 1); data = (void *)msg + data_offset; @@ -474,6 +525,14 @@ int rndis_filter_receive(struct net_device *ndev, if (netif_msg_rx_status(net_device_ctx)) dump_rndis_message(ndev, rndis_msg); + /* Validate incoming rndis_message packet */ + if (buflen < RNDIS_HEADER_SIZE || rndis_msg->msg_len < RNDIS_HEADER_SIZE || + buflen < rndis_msg->msg_len) { + netdev_err(ndev, "Invalid rndis_msg (buflen: %u, msg_len: %u)\n", + buflen, rndis_msg->msg_len); + return NVSP_STAT_FAIL; + } + switch (rndis_msg->ndis_msg_type) { case RNDIS_MSG_PACKET: return rndis_filter_receive_data(ndev, net_dev, nvchan, diff --git a/drivers/net/ieee802154/adf7242.c b/drivers/net/ieee802154/adf7242.c index c11f32f644db3c..7db9cbd0f5ded1 100644 --- a/drivers/net/ieee802154/adf7242.c +++ b/drivers/net/ieee802154/adf7242.c @@ -882,7 +882,9 @@ static int adf7242_rx(struct adf7242_local *lp) int ret; u8 lqi, len_u8, *data; - adf7242_read_reg(lp, 0, &len_u8); + ret = adf7242_read_reg(lp, 0, &len_u8); + if (ret) + return ret; len = len_u8; diff --git a/drivers/net/ieee802154/ca8210.c b/drivers/net/ieee802154/ca8210.c index e04c3b60cae78f..4eb64709d44cb0 100644 --- a/drivers/net/ieee802154/ca8210.c +++ b/drivers/net/ieee802154/ca8210.c @@ -2925,6 +2925,7 @@ static int ca8210_dev_com_init(struct ca8210_priv *priv) ); if (!priv->irq_workqueue) { dev_crit(&priv->spi->dev, "alloc of irq_workqueue failed!\n"); + destroy_workqueue(priv->mlme_workqueue); return -ENOMEM; } diff --git a/drivers/net/ipa/ipa_table.c b/drivers/net/ipa/ipa_table.c index 2098ca2f2c9028..b3790aa952a154 100644 --- a/drivers/net/ipa/ipa_table.c +++ b/drivers/net/ipa/ipa_table.c @@ -521,7 +521,7 @@ static void ipa_filter_tuple_zero(struct ipa_endpoint *endpoint) val = ioread32(endpoint->ipa->reg_virt + offset); /* Zero all filter-related fields, preserving the rest */ - u32_replace_bits(val, 0, IPA_REG_ENDP_FILTER_HASH_MSK_ALL); + u32p_replace_bits(&val, 0, IPA_REG_ENDP_FILTER_HASH_MSK_ALL); iowrite32(val, endpoint->ipa->reg_virt + offset); } @@ -573,7 +573,7 @@ static void ipa_route_tuple_zero(struct ipa *ipa, u32 route_id) val = ioread32(ipa->reg_virt + offset); /* Zero all route-related fields, preserving the rest */ - u32_replace_bits(val, 0, IPA_REG_ENDP_ROUTER_HASH_MSK_ALL); + u32p_replace_bits(&val, 0, IPA_REG_ENDP_ROUTER_HASH_MSK_ALL); iowrite32(val, ipa->reg_virt + offset); } diff --git a/drivers/net/macsec.c b/drivers/net/macsec.c index 9159846b8b9388..787ac2c8e74ebe 100644 --- a/drivers/net/macsec.c +++ b/drivers/net/macsec.c @@ -1077,6 +1077,7 @@ static rx_handler_result_t macsec_handle_frame(struct sk_buff **pskb) struct macsec_rx_sa *rx_sa; struct macsec_rxh_data *rxd; struct macsec_dev *macsec; + unsigned int len; sci_t sci; u32 hdr_pn; bool cbit; @@ -1232,9 +1233,10 @@ deliver: macsec_rxsc_put(rx_sc); skb_orphan(skb); + len = skb->len; ret = gro_cells_receive(&macsec->gro_cells, skb); if (ret == NET_RX_SUCCESS) - count_rx(dev, skb->len); + count_rx(dev, len); else macsec->secy.netdev->stats.rx_dropped++; diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c index 5da04e99798943..c8d803d3616c90 100644 --- a/drivers/net/macvlan.c +++ b/drivers/net/macvlan.c @@ -842,7 +842,7 @@ static int macvlan_do_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) case SIOCSHWTSTAMP: if (!net_eq(dev_net(dev), &init_net)) break; - /* fall through */ + fallthrough; case SIOCGHWTSTAMP: if (netif_device_present(real_dev) && ops->ndo_do_ioctl) err = ops->ndo_do_ioctl(real_dev, &ifrr, cmd); diff --git a/drivers/net/mii.c b/drivers/net/mii.c index 44612122338bba..f6a97c859f3a4b 100644 --- a/drivers/net/mii.c +++ b/drivers/net/mii.c @@ -597,7 +597,7 @@ int generic_mii_ioctl(struct mii_if_info *mii_if, switch(cmd) { case SIOCGMIIPHY: mii_data->phy_id = mii_if->phy_id; - /* fall through */ + fallthrough; case SIOCGMIIREG: mii_data->val_out = diff --git a/drivers/net/netdevsim/bus.c b/drivers/net/netdevsim/bus.c index 7971dc4f54f15f..0e9511661601a6 100644 --- a/drivers/net/netdevsim/bus.c +++ b/drivers/net/netdevsim/bus.c @@ -193,7 +193,7 @@ new_device_store(struct bus_type *bus, const char *buf, size_t count) switch (err) { case 1: port_count = 1; - /* fall through */ + fallthrough; case 2: if (id > INT_MAX) { pr_err("Value of \"id\" is too big.\n"); diff --git a/drivers/net/netdevsim/fib.c b/drivers/net/netdevsim/fib.c index f32d56ac3e80fa..deea17a0e79c9e 100644 --- a/drivers/net/netdevsim/fib.c +++ b/drivers/net/netdevsim/fib.c @@ -760,14 +760,14 @@ static int nsim_fib_event_nb(struct notifier_block *nb, unsigned long event, spin_lock_bh(&data->fib_lock); switch (event) { - case FIB_EVENT_RULE_ADD: /* fall through */ + case FIB_EVENT_RULE_ADD: case FIB_EVENT_RULE_DEL: err = nsim_fib_rule_event(data, info, event == FIB_EVENT_RULE_ADD); break; - case FIB_EVENT_ENTRY_REPLACE: /* fall through */ - case FIB_EVENT_ENTRY_APPEND: /* fall through */ + case FIB_EVENT_ENTRY_REPLACE: + case FIB_EVENT_ENTRY_APPEND: case FIB_EVENT_ENTRY_DEL: err = nsim_fib_event(data, info, event); break; diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig index 726e4b240e7e38..1c5a10b672fc5d 100644 --- a/drivers/net/phy/Kconfig +++ b/drivers/net/phy/Kconfig @@ -222,6 +222,7 @@ config MDIO_THUNDER depends on 64BIT depends on PCI select MDIO_CAVIUM + select MDIO_DEVRES help This driver supports the MDIO interfaces found on Cavium ThunderX SoCs when the MDIO bus device appears as a PCI diff --git a/drivers/net/phy/adin.c b/drivers/net/phy/adin.c index 7471a8b908735c..307f0ac1287bed 100644 --- a/drivers/net/phy/adin.c +++ b/drivers/net/phy/adin.c @@ -366,10 +366,10 @@ static int adin_set_edpd(struct phy_device *phydev, u16 tx_interval) switch (tx_interval) { case 1000: /* 1 second */ - /* fallthrough */ + fallthrough; case ETHTOOL_PHY_EDPD_DFLT_TX_MSECS: val |= ADIN1300_NRG_PD_TX_EN; - /* fallthrough */ + fallthrough; case ETHTOOL_PHY_EDPD_NO_TX: break; default: diff --git a/drivers/net/phy/dp83640.c b/drivers/net/phy/dp83640.c index 50fb7d16b75ac9..79e67f2fe00ae0 100644 --- a/drivers/net/phy/dp83640.c +++ b/drivers/net/phy/dp83640.c @@ -766,13 +766,13 @@ static int decode_evnt(struct dp83640_private *dp83640, switch (words) { case 3: dp83640->edata.sec_hi = phy_txts->sec_hi; - /* fall through */ + fallthrough; case 2: dp83640->edata.sec_lo = phy_txts->sec_lo; - /* fall through */ + fallthrough; case 1: dp83640->edata.ns_hi = phy_txts->ns_hi; - /* fall through */ + fallthrough; case 0: dp83640->edata.ns_lo = phy_txts->ns_lo; } @@ -1409,7 +1409,7 @@ static void dp83640_txtstamp(struct mii_timestamper *mii_ts, kfree_skb(skb); return; } - /* fall through */ + fallthrough; case HWTSTAMP_TX_ON: skb_shinfo(skb)->tx_flags |= SKBTX_IN_PROGRESS; skb_info->tmo = jiffies + SKB_TIMESTAMP_TIMEOUT; diff --git a/drivers/net/phy/dp83867.c b/drivers/net/phy/dp83867.c index f3c04981b8da67..cd7032628a28ce 100644 --- a/drivers/net/phy/dp83867.c +++ b/drivers/net/phy/dp83867.c @@ -215,9 +215,9 @@ static int dp83867_set_wol(struct phy_device *phydev, if (wol->wolopts & WAKE_MAGICSECURE) { phy_write_mmd(phydev, DP83867_DEVADDR, DP83867_RXFSOP1, (wol->sopass[1] << 8) | wol->sopass[0]); - phy_write_mmd(phydev, DP83867_DEVADDR, DP83867_RXFSOP1, + phy_write_mmd(phydev, DP83867_DEVADDR, DP83867_RXFSOP2, (wol->sopass[3] << 8) | wol->sopass[2]); - phy_write_mmd(phydev, DP83867_DEVADDR, DP83867_RXFSOP1, + phy_write_mmd(phydev, DP83867_DEVADDR, DP83867_RXFSOP3, (wol->sopass[5] << 8) | wol->sopass[4]); val_rxcfg |= DP83867_WOL_SEC_EN; diff --git a/drivers/net/phy/dp83869.c b/drivers/net/phy/dp83869.c index 58103152c6010e..6b98d74b5102bc 100644 --- a/drivers/net/phy/dp83869.c +++ b/drivers/net/phy/dp83869.c @@ -427,18 +427,18 @@ static int dp83869_config_init(struct phy_device *phydev) return ret; val = phy_read_mmd(phydev, DP83869_DEVADDR, DP83869_RGMIICTL); - val &= ~(DP83869_RGMII_TX_CLK_DELAY_EN | - DP83869_RGMII_RX_CLK_DELAY_EN); + val |= (DP83869_RGMII_TX_CLK_DELAY_EN | + DP83869_RGMII_RX_CLK_DELAY_EN); if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) - val |= (DP83869_RGMII_TX_CLK_DELAY_EN | - DP83869_RGMII_RX_CLK_DELAY_EN); + val &= ~(DP83869_RGMII_TX_CLK_DELAY_EN | + DP83869_RGMII_RX_CLK_DELAY_EN); if (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID) - val |= DP83869_RGMII_TX_CLK_DELAY_EN; + val &= ~DP83869_RGMII_TX_CLK_DELAY_EN; if (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID) - val |= DP83869_RGMII_RX_CLK_DELAY_EN; + val &= ~DP83869_RGMII_RX_CLK_DELAY_EN; ret = phy_write_mmd(phydev, DP83869_DEVADDR, DP83869_RGMIICTL, val); diff --git a/drivers/net/phy/fixed_phy.c b/drivers/net/phy/fixed_phy.c index c4641b1704d614..18d81f43f2a889 100644 --- a/drivers/net/phy/fixed_phy.c +++ b/drivers/net/phy/fixed_phy.c @@ -279,13 +279,13 @@ static struct phy_device *__fixed_phy_register(unsigned int irq, phy->supported); linkmode_set_bit(ETHTOOL_LINK_MODE_1000baseT_Full_BIT, phy->supported); - /* fall through */ + fallthrough; case SPEED_100: linkmode_set_bit(ETHTOOL_LINK_MODE_100baseT_Half_BIT, phy->supported); linkmode_set_bit(ETHTOOL_LINK_MODE_100baseT_Full_BIT, phy->supported); - /* fall through */ + fallthrough; case SPEED_10: default: linkmode_set_bit(ETHTOOL_LINK_MODE_10baseT_Half_BIT, diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c index 79b4f35d151ecc..8947d58f2a25f1 100644 --- a/drivers/net/phy/phy.c +++ b/drivers/net/phy/phy.c @@ -355,7 +355,7 @@ int phy_mii_ioctl(struct phy_device *phydev, struct ifreq *ifr, int cmd) switch (cmd) { case SIOCGMIIPHY: mii_data->phy_id = phydev->mdio.addr; - /* fall through */ + fallthrough; case SIOCGMIIREG: if (mdio_phy_id_is_c45(mii_data->phy_id)) { @@ -433,7 +433,7 @@ int phy_mii_ioctl(struct phy_device *phydev, struct ifreq *ifr, int cmd) case SIOCSHWTSTAMP: if (phydev->mii_ts && phydev->mii_ts->hwtstamp) return phydev->mii_ts->hwtstamp(phydev->mii_ts, ifr); - /* fall through */ + fallthrough; default: return -EOPNOTSUPP; @@ -996,7 +996,7 @@ void phy_stop(struct phy_device *phydev) { struct net_device *dev = phydev->attached_dev; - if (!phy_is_started(phydev)) { + if (!phy_is_started(phydev) && phydev->state != PHY_DOWN) { WARN(1, "called from state %s\n", phy_state_to_str(phydev->state)); return; diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index 57d44648c8dd1c..5dab6be6fc3832 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -1143,10 +1143,6 @@ int phy_init_hw(struct phy_device *phydev) if (ret < 0) return ret; - ret = phy_disable_interrupts(phydev); - if (ret) - return ret; - if (phydev->drv->config_init) ret = phydev->drv->config_init(phydev); @@ -1423,6 +1419,10 @@ int phy_attach_direct(struct net_device *dev, struct phy_device *phydev, if (err) goto error; + err = phy_disable_interrupts(phydev); + if (err) + return err; + phy_resume(phydev); phy_led_triggers_register(phydev); @@ -1682,7 +1682,8 @@ void phy_detach(struct phy_device *phydev) phy_led_triggers_unregister(phydev); - module_put(phydev->mdio.dev.driver->owner); + if (phydev->mdio.dev.driver) + module_put(phydev->mdio.dev.driver->owner); /* If the device had no specific driver before (i.e. - it * was using the generic driver), we unbind the device @@ -1979,7 +1980,7 @@ static int genphy_setup_master_slave(struct phy_device *phydev) break; case MASTER_SLAVE_CFG_MASTER_FORCE: ctl |= CTL1000_AS_MASTER; - /* fallthrough */ + fallthrough; case MASTER_SLAVE_CFG_SLAVE_FORCE: ctl |= CTL1000_ENABLE_MASTER; break; diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c index 32b4bd6a5b5591..32f4e8ec96cff2 100644 --- a/drivers/net/phy/phylink.c +++ b/drivers/net/phy/phylink.c @@ -1905,7 +1905,7 @@ int phylink_mii_ioctl(struct phylink *pl, struct ifreq *ifr, int cmd) switch (cmd) { case SIOCGMIIPHY: mii->phy_id = pl->phydev->mdio.addr; - /* fall through */ + fallthrough; case SIOCGMIIREG: ret = phylink_phy_read(pl, mii->phy_id, mii->reg_num); @@ -1928,7 +1928,7 @@ int phylink_mii_ioctl(struct phylink *pl, struct ifreq *ifr, int cmd) switch (cmd) { case SIOCGMIIPHY: mii->phy_id = 0; - /* fall through */ + fallthrough; case SIOCGMIIREG: ret = phylink_mii_read(pl, mii->phy_id, mii->reg_num); diff --git a/drivers/net/phy/realtek.c b/drivers/net/phy/realtek.c index 95dbe5e8e1d8ff..0f09609718007e 100644 --- a/drivers/net/phy/realtek.c +++ b/drivers/net/phy/realtek.c @@ -1,6 +1,5 @@ // SPDX-License-Identifier: GPL-2.0+ -/* - * drivers/net/phy/realtek.c +/* drivers/net/phy/realtek.c * * Driver for Realtek PHYs * @@ -32,9 +31,9 @@ #define RTL8211F_TX_DELAY BIT(8) #define RTL8211F_RX_DELAY BIT(3) -#define RTL8211E_TX_DELAY BIT(1) -#define RTL8211E_RX_DELAY BIT(2) -#define RTL8211E_MODE_MII_GMII BIT(3) +#define RTL8211E_CTRL_DELAY BIT(13) +#define RTL8211E_TX_DELAY BIT(12) +#define RTL8211E_RX_DELAY BIT(11) #define RTL8201F_ISR 0x1e #define RTL8201F_IER 0x13 @@ -246,16 +245,16 @@ static int rtl8211e_config_init(struct phy_device *phydev) /* enable TX/RX delay for rgmii-* modes, and disable them for rgmii. */ switch (phydev->interface) { case PHY_INTERFACE_MODE_RGMII: - val = 0; + val = RTL8211E_CTRL_DELAY | 0; break; case PHY_INTERFACE_MODE_RGMII_ID: - val = RTL8211E_TX_DELAY | RTL8211E_RX_DELAY; + val = RTL8211E_CTRL_DELAY | RTL8211E_TX_DELAY | RTL8211E_RX_DELAY; break; case PHY_INTERFACE_MODE_RGMII_RXID: - val = RTL8211E_RX_DELAY; + val = RTL8211E_CTRL_DELAY | RTL8211E_RX_DELAY; break; case PHY_INTERFACE_MODE_RGMII_TXID: - val = RTL8211E_TX_DELAY; + val = RTL8211E_CTRL_DELAY | RTL8211E_TX_DELAY; break; default: /* the rest of the modes imply leaving delays as is. */ return 0; @@ -263,11 +262,12 @@ static int rtl8211e_config_init(struct phy_device *phydev) /* According to a sample driver there is a 0x1c config register on the * 0xa4 extension page (0x7) layout. It can be used to disable/enable - * the RX/TX delays otherwise controlled by RXDLY/TXDLY pins. It can - * also be used to customize the whole configuration register: - * 8:6 = PHY Address, 5:4 = Auto-Negotiation, 3 = Interface Mode Select, - * 2 = RX Delay, 1 = TX Delay, 0 = SELRGV (see original PHY datasheet - * for details). + * the RX/TX delays otherwise controlled by RXDLY/TXDLY pins. + * The configuration register definition: + * 14 = reserved + * 13 = Force Tx RX Delay controlled by bit12 bit11, + * 12 = RX Delay, 11 = TX Delay + * 10:0 = Test && debug settings reserved by realtek */ oldpage = phy_select_page(phydev, 0x7); if (oldpage < 0) @@ -277,7 +277,8 @@ static int rtl8211e_config_init(struct phy_device *phydev) if (ret) goto err_restore_page; - ret = __phy_modify(phydev, 0x1c, RTL8211E_TX_DELAY | RTL8211E_RX_DELAY, + ret = __phy_modify(phydev, 0x1c, RTL8211E_CTRL_DELAY + | RTL8211E_TX_DELAY | RTL8211E_RX_DELAY, val); err_restore_page: diff --git a/drivers/net/phy/sfp-bus.c b/drivers/net/phy/sfp-bus.c index 6900c68260e0dc..58014feedf6c88 100644 --- a/drivers/net/phy/sfp-bus.c +++ b/drivers/net/phy/sfp-bus.c @@ -149,7 +149,7 @@ int sfp_parse_port(struct sfp_bus *bus, const struct sfp_eeprom_id *id, port = PORT_TP; break; } - /* fallthrough */ + fallthrough; case SFF8024_CONNECTOR_SG: /* guess */ case SFF8024_CONNECTOR_HSSDC_II: case SFF8024_CONNECTOR_NOSEPARATE: @@ -301,7 +301,7 @@ void sfp_parse_support(struct sfp_bus *bus, const struct sfp_eeprom_id *id, break; case SFF8024_ECC_100GBASE_CR4: phylink_set(modes, 100000baseCR4_Full); - /* fallthrough */ + fallthrough; case SFF8024_ECC_25GBASE_CR_S: case SFF8024_ECC_25GBASE_CR_N: phylink_set(modes, 25000baseCR_Full); diff --git a/drivers/net/phy/sfp.c b/drivers/net/phy/sfp.c index c24b0e83dd3291..cf83314c8591ee 100644 --- a/drivers/net/phy/sfp.c +++ b/drivers/net/phy/sfp.c @@ -552,7 +552,7 @@ static umode_t sfp_hwmon_is_visible(const void *data, case hwmon_temp_crit: if (!(sfp->id.ext.enhopts & SFP_ENHOPTS_ALARMWARN)) return 0; - /* fall through */ + fallthrough; case hwmon_temp_input: case hwmon_temp_label: return 0444; @@ -571,7 +571,7 @@ static umode_t sfp_hwmon_is_visible(const void *data, case hwmon_in_crit: if (!(sfp->id.ext.enhopts & SFP_ENHOPTS_ALARMWARN)) return 0; - /* fall through */ + fallthrough; case hwmon_in_input: case hwmon_in_label: return 0444; @@ -590,7 +590,7 @@ static umode_t sfp_hwmon_is_visible(const void *data, case hwmon_curr_crit: if (!(sfp->id.ext.enhopts & SFP_ENHOPTS_ALARMWARN)) return 0; - /* fall through */ + fallthrough; case hwmon_curr_input: case hwmon_curr_label: return 0444; @@ -618,7 +618,7 @@ static umode_t sfp_hwmon_is_visible(const void *data, case hwmon_power_crit: if (!(sfp->id.ext.enhopts & SFP_ENHOPTS_ALARMWARN)) return 0; - /* fall through */ + fallthrough; case hwmon_power_input: case hwmon_power_label: return 0444; @@ -1872,7 +1872,7 @@ static void sfp_sm_module(struct sfp *sfp, unsigned int event) dev_warn(sfp->dev, "hwmon probe failed: %d\n", err); sfp_sm_mod_next(sfp, SFP_MOD_WAITDEV, 0); - /* fall through */ + fallthrough; case SFP_MOD_WAITDEV: /* Ensure that the device is attached before proceeding */ if (sfp->sm_dev_state < SFP_DEV_DOWN) @@ -1890,7 +1890,7 @@ static void sfp_sm_module(struct sfp *sfp, unsigned int event) goto insert; sfp_sm_mod_next(sfp, SFP_MOD_HPOWER, 0); - /* fall through */ + fallthrough; case SFP_MOD_HPOWER: /* Enable high power mode */ err = sfp_sm_mod_hpower(sfp, true); diff --git a/drivers/net/plip/plip.c b/drivers/net/plip/plip.c index d82016dcde3b96..4406b353123eda 100644 --- a/drivers/net/plip/plip.c +++ b/drivers/net/plip/plip.c @@ -498,7 +498,7 @@ plip_receive(unsigned short nibble_timeout, struct net_device *dev, *data_p = (c0 >> 3) & 0x0f; write_data (dev, 0x10); /* send ACK */ *ns_p = PLIP_NB_1; - /* fall through */ + fallthrough; case PLIP_NB_1: cx = nibble_timeout; @@ -594,7 +594,7 @@ plip_receive_packet(struct net_device *dev, struct net_local *nl, printk(KERN_DEBUG "%s: receive start\n", dev->name); rcv->state = PLIP_PK_LENGTH_LSB; rcv->nibble = PLIP_NB_BEGIN; - /* fall through */ + fallthrough; case PLIP_PK_LENGTH_LSB: if (snd->state != PLIP_PK_DONE) { @@ -615,7 +615,7 @@ plip_receive_packet(struct net_device *dev, struct net_local *nl, return TIMEOUT; } rcv->state = PLIP_PK_LENGTH_MSB; - /* fall through */ + fallthrough; case PLIP_PK_LENGTH_MSB: if (plip_receive(nibble_timeout, dev, @@ -638,7 +638,7 @@ plip_receive_packet(struct net_device *dev, struct net_local *nl, rcv->state = PLIP_PK_DATA; rcv->byte = 0; rcv->checksum = 0; - /* fall through */ + fallthrough; case PLIP_PK_DATA: lbuf = rcv->skb->data; @@ -651,7 +651,7 @@ plip_receive_packet(struct net_device *dev, struct net_local *nl, rcv->checksum += lbuf[--rcv->byte]; } while (rcv->byte); rcv->state = PLIP_PK_CHECKSUM; - /* fall through */ + fallthrough; case PLIP_PK_CHECKSUM: if (plip_receive(nibble_timeout, dev, @@ -664,7 +664,7 @@ plip_receive_packet(struct net_device *dev, struct net_local *nl, return ERROR; } rcv->state = PLIP_PK_DONE; - /* fall through */ + fallthrough; case PLIP_PK_DONE: /* Inform the upper layer for the arrival of a packet. */ @@ -710,7 +710,7 @@ plip_send(unsigned short nibble_timeout, struct net_device *dev, case PLIP_NB_BEGIN: write_data (dev, data & 0x0f); *ns_p = PLIP_NB_1; - /* fall through */ + fallthrough; case PLIP_NB_1: write_data (dev, 0x10 | (data & 0x0f)); @@ -725,7 +725,7 @@ plip_send(unsigned short nibble_timeout, struct net_device *dev, } write_data (dev, 0x10 | (data >> 4)); *ns_p = PLIP_NB_2; - /* fall through */ + fallthrough; case PLIP_NB_2: write_data (dev, (data >> 4)); @@ -814,7 +814,7 @@ plip_send_packet(struct net_device *dev, struct net_local *nl, &snd->nibble, snd->length.b.lsb)) return TIMEOUT; snd->state = PLIP_PK_LENGTH_MSB; - /* fall through */ + fallthrough; case PLIP_PK_LENGTH_MSB: if (plip_send(nibble_timeout, dev, @@ -823,7 +823,7 @@ plip_send_packet(struct net_device *dev, struct net_local *nl, snd->state = PLIP_PK_DATA; snd->byte = 0; snd->checksum = 0; - /* fall through */ + fallthrough; case PLIP_PK_DATA: do { @@ -835,7 +835,7 @@ plip_send_packet(struct net_device *dev, struct net_local *nl, snd->checksum += lbuf[--snd->byte]; } while (snd->byte); snd->state = PLIP_PK_CHECKSUM; - /* fall through */ + fallthrough; case PLIP_PK_CHECKSUM: if (plip_send(nibble_timeout, dev, @@ -846,7 +846,7 @@ plip_send_packet(struct net_device *dev, struct net_local *nl, dev_kfree_skb(snd->skb); dev->stats.tx_packets++; snd->state = PLIP_PK_DONE; - /* fall through */ + fallthrough; case PLIP_PK_DONE: /* Close the connection */ @@ -935,7 +935,7 @@ plip_interrupt(void *dev_id) switch (nl->connection) { case PLIP_CN_CLOSING: netif_wake_queue (dev); - /* fall through */ + fallthrough; case PLIP_CN_NONE: case PLIP_CN_SEND: rcv->state = PLIP_PK_TRIGGER; diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c index 8c1e02752ff61f..bcc4a4c011f1f1 100644 --- a/drivers/net/team/team.c +++ b/drivers/net/team/team.c @@ -287,7 +287,7 @@ inst_rollback: for (i--; i >= 0; i--) __team_option_inst_del_option(team, dst_opts[i]); - i = option_count - 1; + i = option_count; alloc_rollback: for (i--; i >= 0; i--) kfree(dst_opts[i]); @@ -2112,6 +2112,7 @@ static void team_setup_by_port(struct net_device *dev, dev->header_ops = port_dev->header_ops; dev->type = port_dev->type; dev->hard_header_len = port_dev->hard_header_len; + dev->needed_headroom = port_dev->needed_headroom; dev->addr_len = port_dev->addr_len; dev->mtu = port_dev->mtu; memcpy(dev->broadcast, port_dev->broadcast, port_dev->addr_len); diff --git a/drivers/net/tun.c b/drivers/net/tun.c index 3c11a77f5709f1..7959b5c2d11f1c 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -1590,10 +1590,10 @@ static int tun_xdp_act(struct tun_struct *tun, struct bpf_prog *xdp_prog, break; default: bpf_warn_invalid_xdp_action(act); - /* fall through */ + fallthrough; case XDP_ABORTED: trace_xdp_exception(tun->dev, xdp_prog, act); - /* fall through */ + fallthrough; case XDP_DROP: this_cpu_inc(tun->pcpu_stats->rx_dropped); break; @@ -2417,7 +2417,7 @@ static int tun_xdp_one(struct tun_struct *tun, switch (err) { case XDP_REDIRECT: *flush = true; - /* fall through */ + fallthrough; case XDP_TX: return 0; case XDP_PASS: diff --git a/drivers/net/usb/Kconfig b/drivers/net/usb/Kconfig index a7fbc3ccd29e42..c7bcfca7d70b09 100644 --- a/drivers/net/usb/Kconfig +++ b/drivers/net/usb/Kconfig @@ -252,6 +252,7 @@ config USB_NET_CDC_EEM config USB_NET_CDC_NCM tristate "CDC NCM support" depends on USB_USBNET + select USB_NET_CDCETHER default y help This driver provides support for CDC NCM (Network Control Model diff --git a/drivers/net/usb/aqc111.c b/drivers/net/usb/aqc111.c index 7e44110746dd00..0717c18015c9c5 100644 --- a/drivers/net/usb/aqc111.c +++ b/drivers/net/usb/aqc111.c @@ -333,13 +333,13 @@ static void aqc111_set_phy_speed(struct usbnet *dev, u8 autoneg, u16 speed) switch (speed) { case SPEED_5000: aqc111_data->phy_cfg |= AQ_ADV_5G; - /* fall-through */ + fallthrough; case SPEED_2500: aqc111_data->phy_cfg |= AQ_ADV_2G5; - /* fall-through */ + fallthrough; case SPEED_1000: aqc111_data->phy_cfg |= AQ_ADV_1G; - /* fall-through */ + fallthrough; case SPEED_100: aqc111_data->phy_cfg |= AQ_ADV_100M; /* fall-through */ diff --git a/drivers/net/usb/asix_common.c b/drivers/net/usb/asix_common.c index e39f41efda3ec1..7bc6e8f856fe0b 100644 --- a/drivers/net/usb/asix_common.c +++ b/drivers/net/usb/asix_common.c @@ -296,7 +296,7 @@ int asix_read_phy_addr(struct usbnet *dev, int internal) netdev_dbg(dev->net, "asix_get_phy_addr()\n"); - if (ret < 0) { + if (ret < 2) { netdev_err(dev->net, "Error reading PHYID register: %02x\n", ret); goto out; } diff --git a/drivers/net/usb/ax88179_178a.c b/drivers/net/usb/ax88179_178a.c index a38e868e44d468..5541f3faedbcab 100644 --- a/drivers/net/usb/ax88179_178a.c +++ b/drivers/net/usb/ax88179_178a.c @@ -1823,6 +1823,33 @@ static const struct driver_info belkin_info = { .status = ax88179_status, .link_reset = ax88179_link_reset, .reset = ax88179_reset, + .stop = ax88179_stop, + .flags = FLAG_ETHER | FLAG_FRAMING_AX, + .rx_fixup = ax88179_rx_fixup, + .tx_fixup = ax88179_tx_fixup, +}; + +static const struct driver_info toshiba_info = { + .description = "Toshiba USB Ethernet Adapter", + .bind = ax88179_bind, + .unbind = ax88179_unbind, + .status = ax88179_status, + .link_reset = ax88179_link_reset, + .reset = ax88179_reset, + .stop = ax88179_stop, + .flags = FLAG_ETHER | FLAG_FRAMING_AX, + .rx_fixup = ax88179_rx_fixup, + .tx_fixup = ax88179_tx_fixup, +}; + +static const struct driver_info mct_info = { + .description = "MCT USB 3.0 Gigabit Ethernet Adapter", + .bind = ax88179_bind, + .unbind = ax88179_unbind, + .status = ax88179_status, + .link_reset = ax88179_link_reset, + .reset = ax88179_reset, + .stop = ax88179_stop, .flags = FLAG_ETHER | FLAG_FRAMING_AX, .rx_fixup = ax88179_rx_fixup, .tx_fixup = ax88179_tx_fixup, @@ -1861,6 +1888,14 @@ static const struct usb_device_id products[] = { /* Belkin B2B128 USB 3.0 Hub + Gigabit Ethernet Adapter */ USB_DEVICE(0x050d, 0x0128), .driver_info = (unsigned long)&belkin_info, +}, { + /* Toshiba USB 3.0 GBit Ethernet Adapter */ + USB_DEVICE(0x0930, 0x0a13), + .driver_info = (unsigned long)&toshiba_info, +}, { + /* Magic Control Technology U3-A9003 USB 3.0 Gigabit Ethernet Adapter */ + USB_DEVICE(0x0711, 0x0179), + .driver_info = (unsigned long)&mct_info, }, { }, }; diff --git a/drivers/net/usb/catc.c b/drivers/net/usb/catc.c index d387bc7ac1b60b..97ba67042d126f 100644 --- a/drivers/net/usb/catc.c +++ b/drivers/net/usb/catc.c @@ -858,7 +858,7 @@ static int catc_probe(struct usb_interface *intf, const struct usb_device_id *id default: dev_warn(&intf->dev, "Couldn't detect memory size, assuming 32k\n"); - /* fall through */ + fallthrough; case 0x87654321: catc_set_reg(catc, TxBufCount, 4); catc_set_reg(catc, RxBufCount, 16); diff --git a/drivers/net/usb/cdc-phonet.c b/drivers/net/usb/cdc-phonet.c index 9bdbd7b472a0ac..dba847f280962d 100644 --- a/drivers/net/usb/cdc-phonet.c +++ b/drivers/net/usb/cdc-phonet.c @@ -97,7 +97,7 @@ static void tx_complete(struct urb *req) case -ECONNRESET: case -ESHUTDOWN: dev->stats.tx_aborted_errors++; - /* fall through */ + fallthrough; default: dev->stats.tx_errors++; dev_dbg(&dev->dev, "TX error (%d)\n", status); diff --git a/drivers/net/usb/dm9601.c b/drivers/net/usb/dm9601.c index b91f92e4e5f22d..915ac75b55fc7c 100644 --- a/drivers/net/usb/dm9601.c +++ b/drivers/net/usb/dm9601.c @@ -625,6 +625,10 @@ static const struct usb_device_id products[] = { USB_DEVICE(0x0a46, 0x1269), /* DM9621A USB to Fast Ethernet Adapter */ .driver_info = (unsigned long)&dm9601_info, }, + { + USB_DEVICE(0x0586, 0x3427), /* ZyXEL Keenetic Plus DSL xDSL modem */ + .driver_info = (unsigned long)&dm9601_info, + }, {}, // END }; diff --git a/drivers/net/usb/lan78xx.c b/drivers/net/usb/lan78xx.c index 442507f25aadb7..65b315bc60abd6 100644 --- a/drivers/net/usb/lan78xx.c +++ b/drivers/net/usb/lan78xx.c @@ -3192,7 +3192,7 @@ static void rx_complete(struct urb *urb) case -EPIPE: dev->net->stats.rx_errors++; lan78xx_defer_kevent(dev, EVENT_RX_HALT); - /* FALLTHROUGH */ + fallthrough; case -ECONNRESET: /* async unlink */ case -ESHUTDOWN: /* hardware gone */ netif_dbg(dev, ifdown, dev->net, @@ -3213,7 +3213,7 @@ static void rx_complete(struct urb *urb) /* data overrun ... flush fifo? */ case -EOVERFLOW: dev->net->stats.rx_over_errors++; - /* FALLTHROUGH */ + fallthrough; default: state = rx_cleanup; diff --git a/drivers/net/usb/pegasus.c b/drivers/net/usb/pegasus.c index 0ef7e1f443e333..060a8a03e6c490 100644 --- a/drivers/net/usb/pegasus.c +++ b/drivers/net/usb/pegasus.c @@ -360,28 +360,47 @@ fail: } #endif /* PEGASUS_WRITE_EEPROM */ -static inline void get_node_id(pegasus_t *pegasus, __u8 *id) +static inline int get_node_id(pegasus_t *pegasus, u8 *id) { - int i; - __u16 w16; + int i, ret; + u16 w16; for (i = 0; i < 3; i++) { - read_eprom_word(pegasus, i, &w16); + ret = read_eprom_word(pegasus, i, &w16); + if (ret < 0) + return ret; ((__le16 *) id)[i] = cpu_to_le16(w16); } + + return 0; } static void set_ethernet_addr(pegasus_t *pegasus) { - __u8 node_id[6]; + int ret; + u8 node_id[6]; if (pegasus->features & PEGASUS_II) { - get_registers(pegasus, 0x10, sizeof(node_id), node_id); + ret = get_registers(pegasus, 0x10, sizeof(node_id), node_id); + if (ret < 0) + goto err; } else { - get_node_id(pegasus, node_id); - set_registers(pegasus, EthID, sizeof(node_id), node_id); + ret = get_node_id(pegasus, node_id); + if (ret < 0) + goto err; + ret = set_registers(pegasus, EthID, sizeof(node_id), node_id); + if (ret < 0) + goto err; } + memcpy(pegasus->net->dev_addr, node_id, sizeof(node_id)); + + return; +err: + eth_hw_addr_random(pegasus->net); + dev_info(&pegasus->intf->dev, "software assigned MAC address.\n"); + + return; } static inline int reset_mac(pegasus_t *pegasus) @@ -629,7 +648,7 @@ static void write_bulk_callback(struct urb *urb) return; default: netif_info(pegasus, tx_err, net, "TX status %d\n", status); - /* FALL THROUGH */ + fallthrough; case 0: break; } @@ -1009,7 +1028,7 @@ static int pegasus_ioctl(struct net_device *net, struct ifreq *rq, int cmd) switch (cmd) { case SIOCDEVPRIVATE: data[0] = pegasus->phy; - /* fall through */ + fallthrough; case SIOCDEVPRIVATE + 1: read_mii_word(pegasus, data[0], data[1] & 0x1f, &data[3]); res = 0; diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c index 07c42c0719f5b1..5ca1356b8656f4 100644 --- a/drivers/net/usb/qmi_wwan.c +++ b/drivers/net/usb/qmi_wwan.c @@ -1375,6 +1375,7 @@ static const struct usb_device_id products[] = { {QMI_QUIRK_SET_DTR(0x2cb7, 0x0104, 4)}, /* Fibocom NL678 series */ {QMI_FIXED_INTF(0x0489, 0xe0b4, 0)}, /* Foxconn T77W968 LTE */ {QMI_FIXED_INTF(0x0489, 0xe0b5, 0)}, /* Foxconn T77W968 LTE with eSIM support*/ + {QMI_FIXED_INTF(0x2692, 0x9025, 4)}, /* Cellient MPL200 (rebranded Qualcomm 05c6:9025) */ /* 4. Gobi 1000 devices */ {QMI_GOBI1K_DEVICE(0x05c6, 0x9212)}, /* Acer Gobi Modem Device */ diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c index 2b02fefd094d53..b1770489aca519 100644 --- a/drivers/net/usb/r8152.c +++ b/drivers/net/usb/r8152.c @@ -1682,7 +1682,7 @@ static void intr_callback(struct urb *urb) case -ECONNRESET: /* unlink */ case -ESHUTDOWN: netif_device_detach(tp->netdev); - /* fall through */ + fallthrough; case -ENOENT: case -EPROTO: netif_info(tp, intr, tp->netdev, @@ -3251,7 +3251,7 @@ static void r8153b_ups_en(struct r8152 *tp, bool enable) r8152_mdio_write(tp, MII_BMCR, data); data = r8153_phy_status(tp, PHY_STAT_LAN_ON); - /* fall through */ + fallthrough; default: if (data != PHY_STAT_LAN_ON) @@ -4849,7 +4849,7 @@ static int rtl8152_set_speed(struct r8152 *tp, u8 autoneg, u32 speed, u8 duplex, tp->ups_info.speed_duplex = NWAY_1000M_FULL; break; } - /* fall through */ + fallthrough; default: ret = -EINVAL; goto out; diff --git a/drivers/net/usb/rndis_host.c b/drivers/net/usb/rndis_host.c index bd9c07888ebb43..6fa7a009a24a48 100644 --- a/drivers/net/usb/rndis_host.c +++ b/drivers/net/usb/rndis_host.c @@ -201,7 +201,7 @@ int rndis_command(struct usbnet *dev, struct rndis_msg_hdr *buf, int buflen) dev_dbg(&info->control->dev, "rndis response error, code %d\n", retval); } - msleep(20); + msleep(40); } dev_dbg(&info->control->dev, "rndis response timeout\n"); return -ETIMEDOUT; diff --git a/drivers/net/usb/rtl8150.c b/drivers/net/usb/rtl8150.c index e7c630d375899b..9d079dc2a5353d 100644 --- a/drivers/net/usb/rtl8150.c +++ b/drivers/net/usb/rtl8150.c @@ -274,12 +274,20 @@ static int write_mii_word(rtl8150_t * dev, u8 phy, __u8 indx, u16 reg) return 1; } -static inline void set_ethernet_addr(rtl8150_t * dev) +static void set_ethernet_addr(rtl8150_t *dev) { - u8 node_id[6]; + u8 node_id[ETH_ALEN]; + int ret; + + ret = get_registers(dev, IDR, sizeof(node_id), node_id); - get_registers(dev, IDR, sizeof(node_id), node_id); - memcpy(dev->netdev->dev_addr, node_id, sizeof(node_id)); + if (ret == sizeof(node_id)) { + ether_addr_copy(dev->netdev->dev_addr, node_id); + } else { + eth_hw_addr_random(dev->netdev); + netdev_notice(dev->netdev, "Assigned a random MAC address: %pM\n", + dev->netdev->dev_addr); + } } static int rtl8150_set_mac_address(struct net_device *netdev, void *p) @@ -843,7 +851,7 @@ static int rtl8150_ioctl(struct net_device *netdev, struct ifreq *rq, int cmd) switch (cmd) { case SIOCDEVPRIVATE: data[0] = dev->phy; - /* fall through */ + fallthrough; case SIOCDEVPRIVATE + 1: read_mii_word(dev, dev->phy, (data[1] & 0x1f), &data[3]); break; diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c index e45935a5856aa5..2b2a841cd93884 100644 --- a/drivers/net/usb/usbnet.c +++ b/drivers/net/usb/usbnet.c @@ -110,7 +110,7 @@ int usbnet_get_endpoints(struct usbnet *dev, struct usb_interface *intf) if (!usb_endpoint_dir_in(&e->desc)) continue; intr = 1; - /* FALLTHROUGH */ + fallthrough; case USB_ENDPOINT_XFER_BULK: break; default: @@ -628,7 +628,7 @@ block: /* data overrun ... flush fifo? */ case -EOVERFLOW: dev->net->stats.rx_over_errors++; - // FALLTHROUGH + fallthrough; default: state = rx_cleanup; @@ -1530,7 +1530,7 @@ static void usbnet_bh (struct timer_list *t) continue; case tx_done: kfree(entry->urb->sg); - /* fall through */ + fallthrough; case rx_cleanup: usb_free_urb (entry->urb); dev_kfree_skb (skb); diff --git a/drivers/net/veth.c b/drivers/net/veth.c index e56cd562a66455..a475f48d43c44d 100644 --- a/drivers/net/veth.c +++ b/drivers/net/veth.c @@ -610,10 +610,10 @@ static struct sk_buff *veth_xdp_rcv_one(struct veth_rq *rq, goto xdp_xmit; default: bpf_warn_invalid_xdp_action(act); - /* fall through */ + fallthrough; case XDP_ABORTED: trace_xdp_exception(rq->dev, xdp_prog, act); - /* fall through */ + fallthrough; case XDP_DROP: stats->xdp_drops++; goto err_xdp; @@ -745,10 +745,10 @@ static struct sk_buff *veth_xdp_rcv_skb(struct veth_rq *rq, goto xdp_xmit; default: bpf_warn_invalid_xdp_action(act); - /* fall through */ + fallthrough; case XDP_ABORTED: trace_xdp_exception(rq->dev, xdp_prog, act); - /* fall through */ + fallthrough; case XDP_DROP: stats->xdp_drops++; goto xdp_drop; diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 0ada48edf74955..668685c09e6552 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -63,6 +63,11 @@ static const unsigned long guest_offloads[] = { VIRTIO_NET_F_GUEST_CSUM }; +#define GUEST_OFFLOAD_LRO_MASK ((1ULL << VIRTIO_NET_F_GUEST_TSO4) | \ + (1ULL << VIRTIO_NET_F_GUEST_TSO6) | \ + (1ULL << VIRTIO_NET_F_GUEST_ECN) | \ + (1ULL << VIRTIO_NET_F_GUEST_UFO)) + struct virtnet_stat_desc { char desc[ETH_GSTRING_LEN]; size_t offset; @@ -724,7 +729,7 @@ static struct sk_buff *receive_small(struct net_device *dev, goto xdp_xmit; default: bpf_warn_invalid_xdp_action(act); - /* fall through */ + fallthrough; case XDP_ABORTED: trace_xdp_exception(vi->dev, xdp_prog, act); case XDP_DROP: @@ -922,10 +927,10 @@ static struct sk_buff *receive_mergeable(struct net_device *dev, goto xdp_xmit; default: bpf_warn_invalid_xdp_action(act); - /* fall through */ + fallthrough; case XDP_ABORTED: trace_xdp_exception(vi->dev, xdp_prog, act); - /* fall through */ + fallthrough; case XDP_DROP: if (unlikely(xdp_page != page)) __free_pages(xdp_page, 0); @@ -2531,7 +2536,8 @@ static int virtnet_set_features(struct net_device *dev, if (features & NETIF_F_LRO) offloads = vi->guest_offloads_capable; else - offloads = 0; + offloads = vi->guest_offloads_capable & + ~GUEST_OFFLOAD_LRO_MASK; err = virtnet_set_guest_offloads(vi, offloads); if (err) diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c index 2818015324b8b1..336504b7531d90 100644 --- a/drivers/net/vmxnet3/vmxnet3_drv.c +++ b/drivers/net/vmxnet3/vmxnet3_drv.c @@ -1032,7 +1032,6 @@ vmxnet3_tq_xmit(struct sk_buff *skb, struct vmxnet3_tx_queue *tq, /* Use temporary descriptor to avoid touching bits multiple times */ union Vmxnet3_GenericDesc tempTxDesc; #endif - struct udphdr *udph; count = txd_estimate(skb); @@ -1135,8 +1134,7 @@ vmxnet3_tq_xmit(struct sk_buff *skb, struct vmxnet3_tx_queue *tq, gdesc->txd.om = VMXNET3_OM_ENCAP; gdesc->txd.msscof = ctx.mss; - udph = udp_hdr(skb); - if (udph->check) + if (skb_shinfo(skb)->gso_type & SKB_GSO_UDP_TUNNEL_CSUM) gdesc->txd.oco = 1; } else { gdesc->txd.hlen = ctx.l4_offset + ctx.l4_hdr_size; @@ -3371,6 +3369,7 @@ vmxnet3_probe_device(struct pci_dev *pdev, .ndo_change_mtu = vmxnet3_change_mtu, .ndo_fix_features = vmxnet3_fix_features, .ndo_set_features = vmxnet3_set_features, + .ndo_features_check = vmxnet3_features_check, .ndo_get_stats64 = vmxnet3_get_stats64, .ndo_tx_timeout = vmxnet3_tx_timeout, .ndo_set_rx_mode = vmxnet3_set_mc, diff --git a/drivers/net/vmxnet3/vmxnet3_ethtool.c b/drivers/net/vmxnet3/vmxnet3_ethtool.c index def27afa1c69fa..7ec8652f2c2694 100644 --- a/drivers/net/vmxnet3/vmxnet3_ethtool.c +++ b/drivers/net/vmxnet3/vmxnet3_ethtool.c @@ -267,6 +267,34 @@ netdev_features_t vmxnet3_fix_features(struct net_device *netdev, return features; } +netdev_features_t vmxnet3_features_check(struct sk_buff *skb, + struct net_device *netdev, + netdev_features_t features) +{ + struct vmxnet3_adapter *adapter = netdev_priv(netdev); + + /* Validate if the tunneled packet is being offloaded by the device */ + if (VMXNET3_VERSION_GE_4(adapter) && + skb->encapsulation && skb->ip_summed == CHECKSUM_PARTIAL) { + u8 l4_proto = 0; + + switch (vlan_get_protocol(skb)) { + case htons(ETH_P_IP): + l4_proto = ip_hdr(skb)->protocol; + break; + case htons(ETH_P_IPV6): + l4_proto = ipv6_hdr(skb)->nexthdr; + break; + default: + return features & ~(NETIF_F_CSUM_MASK | NETIF_F_GSO_MASK); + } + + if (l4_proto != IPPROTO_UDP) + return features & ~(NETIF_F_CSUM_MASK | NETIF_F_GSO_MASK); + } + return features; +} + static void vmxnet3_enable_encap_offloads(struct net_device *netdev) { struct vmxnet3_adapter *adapter = netdev_priv(netdev); @@ -743,7 +771,7 @@ vmxnet3_get_rss_hash_opts(struct vmxnet3_adapter *adapter, case ESP_V4_FLOW: if (rss_fields & VMXNET3_RSS_FIELDS_ESPIP4) info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; - /* fallthrough */ + fallthrough; case SCTP_V4_FLOW: case IPV4_FLOW: info->data |= RXH_IP_SRC | RXH_IP_DST; diff --git a/drivers/net/vmxnet3/vmxnet3_int.h b/drivers/net/vmxnet3/vmxnet3_int.h index 5d2b062215a271..d958b92c942999 100644 --- a/drivers/net/vmxnet3/vmxnet3_int.h +++ b/drivers/net/vmxnet3/vmxnet3_int.h @@ -470,6 +470,10 @@ vmxnet3_rq_destroy_all(struct vmxnet3_adapter *adapter); netdev_features_t vmxnet3_fix_features(struct net_device *netdev, netdev_features_t features); +netdev_features_t +vmxnet3_features_check(struct sk_buff *skb, + struct net_device *netdev, netdev_features_t features); + int vmxnet3_set_features(struct net_device *netdev, netdev_features_t features); diff --git a/drivers/net/wan/hdlc.c b/drivers/net/wan/hdlc.c index 386ed2aa31fd93..9b00708676cf71 100644 --- a/drivers/net/wan/hdlc.c +++ b/drivers/net/wan/hdlc.c @@ -229,7 +229,7 @@ static void hdlc_setup_dev(struct net_device *dev) dev->min_mtu = 68; dev->max_mtu = HDLC_MAX_MTU; dev->type = ARPHRD_RAWHDLC; - dev->hard_header_len = 16; + dev->hard_header_len = 0; dev->needed_headroom = 0; dev->addr_len = 0; dev->header_ops = &hdlc_null_ops; diff --git a/drivers/net/wan/hdlc_cisco.c b/drivers/net/wan/hdlc_cisco.c index d8cba3625c185d..cb5898f7d68c98 100644 --- a/drivers/net/wan/hdlc_cisco.c +++ b/drivers/net/wan/hdlc_cisco.c @@ -118,6 +118,7 @@ static void cisco_keepalive_send(struct net_device *dev, u32 type, skb_put(skb, sizeof(struct cisco_packet)); skb->priority = TC_PRIO_CONTROL; skb->dev = dev; + skb->protocol = htons(ETH_P_HDLC); skb_reset_network_header(skb); dev_queue_xmit(skb); @@ -370,6 +371,7 @@ static int cisco_ioctl(struct net_device *dev, struct ifreq *ifr) memcpy(&state(hdlc)->settings, &new_settings, size); spin_lock_init(&state(hdlc)->lock); dev->header_ops = &cisco_header_ops; + dev->hard_header_len = sizeof(struct hdlc_header); dev->type = ARPHRD_CISCO; call_netdevice_notifiers(NETDEV_POST_TYPE_CHANGE, dev); netif_dormant_on(dev); diff --git a/drivers/net/wan/hdlc_fr.c b/drivers/net/wan/hdlc_fr.c index 9acad651ea1f6e..d6cfd51613ed8d 100644 --- a/drivers/net/wan/hdlc_fr.c +++ b/drivers/net/wan/hdlc_fr.c @@ -433,6 +433,8 @@ static netdev_tx_t pvc_xmit(struct sk_buff *skb, struct net_device *dev) if (pvc->state.fecn) /* TX Congestion counter */ dev->stats.tx_compressed++; skb->dev = pvc->frad; + skb->protocol = htons(ETH_P_HDLC); + skb_reset_network_header(skb); dev_queue_xmit(skb); return NETDEV_TX_OK; } @@ -555,6 +557,7 @@ static void fr_lmi_send(struct net_device *dev, int fullrep) skb_put(skb, i); skb->priority = TC_PRIO_CONTROL; skb->dev = dev; + skb->protocol = htons(ETH_P_HDLC); skb_reset_network_header(skb); dev_queue_xmit(skb); @@ -1041,7 +1044,7 @@ static void pvc_setup(struct net_device *dev) { dev->type = ARPHRD_DLCI; dev->flags = IFF_POINTOPOINT; - dev->hard_header_len = 10; + dev->hard_header_len = 0; dev->addr_len = 2; netif_keep_dst(dev); } @@ -1093,6 +1096,7 @@ static int fr_add_pvc(struct net_device *frad, unsigned int dlci, int type) dev->mtu = HDLC_MAX_MTU; dev->min_mtu = 68; dev->max_mtu = HDLC_MAX_MTU; + dev->needed_headroom = 10; dev->priv_flags |= IFF_NO_QUEUE; dev->ml_priv = pvc; diff --git a/drivers/net/wan/hdlc_ppp.c b/drivers/net/wan/hdlc_ppp.c index 48ced3912576c7..64f85565133696 100644 --- a/drivers/net/wan/hdlc_ppp.c +++ b/drivers/net/wan/hdlc_ppp.c @@ -251,6 +251,7 @@ static void ppp_tx_cp(struct net_device *dev, u16 pid, u8 code, skb->priority = TC_PRIO_CONTROL; skb->dev = dev; + skb->protocol = htons(ETH_P_HDLC); skb_reset_network_header(skb); skb_queue_tail(&tx_queue, skb); } @@ -383,11 +384,8 @@ static void ppp_cp_parse_cr(struct net_device *dev, u16 pid, u8 id, } for (opt = data; len; len -= opt[1], opt += opt[1]) { - if (len < 2 || len < opt[1]) { - dev->stats.rx_errors++; - kfree(out); - return; /* bad packet, drop silently */ - } + if (len < 2 || opt[1] < 2 || len < opt[1]) + goto err_out; if (pid == PID_LCP) switch (opt[0]) { @@ -395,6 +393,8 @@ static void ppp_cp_parse_cr(struct net_device *dev, u16 pid, u8 id, continue; /* MRU always OK and > 1500 bytes? */ case LCP_OPTION_ACCM: /* async control character map */ + if (opt[1] < sizeof(valid_accm)) + goto err_out; if (!memcmp(opt, valid_accm, sizeof(valid_accm))) continue; @@ -406,6 +406,8 @@ static void ppp_cp_parse_cr(struct net_device *dev, u16 pid, u8 id, } break; case LCP_OPTION_MAGIC: + if (len < 6) + goto err_out; if (opt[1] != 6 || (!opt[2] && !opt[3] && !opt[4] && !opt[5])) break; /* reject invalid magic number */ @@ -424,6 +426,11 @@ static void ppp_cp_parse_cr(struct net_device *dev, u16 pid, u8 id, ppp_cp_event(dev, pid, RCR_GOOD, CP_CONF_ACK, id, req_len, data); kfree(out); + return; + +err_out: + dev->stats.rx_errors++; + kfree(out); } static int ppp_rx(struct sk_buff *skb) diff --git a/drivers/net/wan/lapbether.c b/drivers/net/wan/lapbether.c index 1ea15f2123ed5c..b6be2454b8bdd2 100644 --- a/drivers/net/wan/lapbether.c +++ b/drivers/net/wan/lapbether.c @@ -173,7 +173,7 @@ static netdev_tx_t lapbeth_xmit(struct sk_buff *skb, case X25_IFACE_DISCONNECT: if ((err = lapb_disconnect_request(dev)) != LAPB_OK) pr_err("lapb_disconnect_request err: %d\n", err); - /* Fall thru */ + fallthrough; default: goto drop; } @@ -198,8 +198,6 @@ static void lapbeth_data_transmit(struct net_device *ndev, struct sk_buff *skb) struct net_device *dev; int size = skb->len; - skb->protocol = htons(ETH_P_X25); - ptr = skb_push(skb, 2); *ptr++ = size % 256; @@ -210,6 +208,10 @@ static void lapbeth_data_transmit(struct net_device *ndev, struct sk_buff *skb) skb->dev = dev = lapbeth->ethdev; + skb->protocol = htons(ETH_P_DEC); + + skb_reset_network_header(skb); + dev_hard_header(skb, dev, ETH_P_DEC, bcast_addr, NULL, 0); dev_queue_xmit(skb); @@ -340,6 +342,7 @@ static int lapbeth_new_device(struct net_device *dev) */ ndev->needed_headroom = -1 + 3 + 2 + dev->hard_header_len + dev->needed_headroom; + ndev->needed_tailroom = dev->needed_tailroom; lapbeth = netdev_priv(ndev); lapbeth->axdev = ndev; diff --git a/drivers/net/wan/sdla.c b/drivers/net/wan/sdla.c index 77ccf3672ede7d..bc2c1c7fb1a45a 100644 --- a/drivers/net/wan/sdla.c +++ b/drivers/net/wan/sdla.c @@ -413,7 +413,7 @@ static void sdla_errors(struct net_device *dev, int cmd, int dlci, int ret, int case SDLA_RET_NO_BUFS: if (cmd == SDLA_INFORMATION_WRITE) break; - /* Else, fall through */ + fallthrough; default: netdev_dbg(dev, "Cmd 0x%02X generated return code 0x%02X\n", diff --git a/drivers/net/wan/x25_asy.c b/drivers/net/wan/x25_asy.c index de79844635958d..c418767a890a84 100644 --- a/drivers/net/wan/x25_asy.c +++ b/drivers/net/wan/x25_asy.c @@ -330,7 +330,7 @@ static netdev_tx_t x25_asy_xmit(struct sk_buff *skb, if (err != LAPB_OK) netdev_err(dev, "lapb_disconnect_request error: %d\n", err); - /* fall through */ + fallthrough; default: kfree_skb(skb); return NETDEV_TX_OK; @@ -464,7 +464,6 @@ static int x25_asy_open(struct net_device *dev) { struct x25_asy *sl = netdev_priv(dev); unsigned long len; - int err; if (sl->tty == NULL) return -ENODEV; @@ -490,14 +489,7 @@ static int x25_asy_open(struct net_device *dev) sl->xleft = 0; sl->flags &= (1 << SLF_INUSE); /* Clear ESCAPE & ERROR flags */ - netif_start_queue(dev); - - /* - * Now attach LAPB - */ - err = lapb_register(dev, &x25_asy_callbacks); - if (err == LAPB_OK) - return 0; + return 0; /* Cleanup */ kfree(sl->xbuff); @@ -519,7 +511,6 @@ static int x25_asy_close(struct net_device *dev) if (sl->tty) clear_bit(TTY_DO_WRITE_WAKEUP, &sl->tty->flags); - netif_stop_queue(dev); sl->rcount = 0; sl->xleft = 0; spin_unlock(&sl->lock); @@ -604,7 +595,6 @@ static int x25_asy_open_tty(struct tty_struct *tty) static void x25_asy_close_tty(struct tty_struct *tty) { struct x25_asy *sl = tty->disc_data; - int err; /* First make sure we're connected. */ if (!sl || sl->magic != X25_ASY_MAGIC) @@ -615,11 +605,6 @@ static void x25_asy_close_tty(struct tty_struct *tty) dev_close(sl->dev); rtnl_unlock(); - err = lapb_unregister(sl->dev); - if (err != LAPB_OK) - pr_err("%s: lapb_unregister error: %d\n", - __func__, err); - tty->disc_data = NULL; sl->tty = NULL; x25_asy_free(sl); @@ -722,15 +707,39 @@ static int x25_asy_ioctl(struct tty_struct *tty, struct file *file, static int x25_asy_open_dev(struct net_device *dev) { + int err; struct x25_asy *sl = netdev_priv(dev); if (sl->tty == NULL) return -ENODEV; + + err = lapb_register(dev, &x25_asy_callbacks); + if (err != LAPB_OK) + return -ENOMEM; + + netif_start_queue(dev); + + return 0; +} + +static int x25_asy_close_dev(struct net_device *dev) +{ + int err; + + netif_stop_queue(dev); + + err = lapb_unregister(dev); + if (err != LAPB_OK) + pr_err("%s: lapb_unregister error: %d\n", + __func__, err); + + x25_asy_close(dev); + return 0; } static const struct net_device_ops x25_asy_netdev_ops = { .ndo_open = x25_asy_open_dev, - .ndo_stop = x25_asy_close, + .ndo_stop = x25_asy_close_dev, .ndo_start_xmit = x25_asy_xmit, .ndo_tx_timeout = x25_asy_timeout, .ndo_change_mtu = x25_asy_change_mtu, diff --git a/drivers/net/wimax/i2400m/control.c b/drivers/net/wimax/i2400m/control.c index 4fe7c7e132c496..9afed3b133d3f2 100644 --- a/drivers/net/wimax/i2400m/control.c +++ b/drivers/net/wimax/i2400m/control.c @@ -352,7 +352,7 @@ void i2400m_report_tlv_system_state(struct i2400m *i2400m, case I2400M_SS_IDLE: d_printf(1, dev, "entering BS-negotiated idle mode\n"); - /* Fall through */ + fallthrough; case I2400M_SS_DISCONNECTING: case I2400M_SS_DATA_PATH_CONNECTED: wimax_state_change(wimax_dev, WIMAX_ST_CONNECTED); diff --git a/drivers/net/wimax/i2400m/usb-fw.c b/drivers/net/wimax/i2400m/usb-fw.c index 1f7709d24f3526..27ab233650d538 100644 --- a/drivers/net/wimax/i2400m/usb-fw.c +++ b/drivers/net/wimax/i2400m/usb-fw.c @@ -135,7 +135,7 @@ retry: msleep(10); /* give the device some time */ goto retry; } - /* fall through */ + fallthrough; case -EINVAL: /* while removing driver */ case -ENODEV: /* dev disconnect ... */ case -ENOENT: /* just ignore it */ diff --git a/drivers/net/wimax/i2400m/usb-tx.c b/drivers/net/wimax/i2400m/usb-tx.c index 3a0e7226768ade..3ba9d70cca1b43 100644 --- a/drivers/net/wimax/i2400m/usb-tx.c +++ b/drivers/net/wimax/i2400m/usb-tx.c @@ -136,7 +136,7 @@ retry: msleep(10); /* give the device some time */ goto retry; } - /* fall through */ + fallthrough; case -EINVAL: /* while removing driver */ case -ENODEV: /* dev disconnect ... */ case -ENOENT: /* just ignore it */ diff --git a/drivers/net/wimax/i2400m/usb.c b/drivers/net/wimax/i2400m/usb.c index 9659f9e1aaa64c..b684e97ac97680 100644 --- a/drivers/net/wimax/i2400m/usb.c +++ b/drivers/net/wimax/i2400m/usb.c @@ -195,7 +195,7 @@ retry: msleep(10); /* give the device some time */ goto retry; } - /* fall through */ + fallthrough; case -EINVAL: /* while removing driver */ case -ENODEV: /* dev disconnect ... */ case -ENOENT: /* just ignore it */ diff --git a/drivers/net/wireguard/noise.c b/drivers/net/wireguard/noise.c index 3dd3b76790d051..c0cfd9b36c0b59 100644 --- a/drivers/net/wireguard/noise.c +++ b/drivers/net/wireguard/noise.c @@ -87,15 +87,12 @@ static void handshake_zero(struct noise_handshake *handshake) void wg_noise_handshake_clear(struct noise_handshake *handshake) { + down_write(&handshake->lock); wg_index_hashtable_remove( handshake->entry.peer->device->index_hashtable, &handshake->entry); - down_write(&handshake->lock); handshake_zero(handshake); up_write(&handshake->lock); - wg_index_hashtable_remove( - handshake->entry.peer->device->index_hashtable, - &handshake->entry); } static struct noise_keypair *keypair_create(struct wg_peer *peer) diff --git a/drivers/net/wireguard/peerlookup.c b/drivers/net/wireguard/peerlookup.c index e4deb331476b3d..f2783aa7a88f11 100644 --- a/drivers/net/wireguard/peerlookup.c +++ b/drivers/net/wireguard/peerlookup.c @@ -167,9 +167,13 @@ bool wg_index_hashtable_replace(struct index_hashtable *table, struct index_hashtable_entry *old, struct index_hashtable_entry *new) { - if (unlikely(hlist_unhashed(&old->index_hash))) - return false; + bool ret; + spin_lock_bh(&table->lock); + ret = !hlist_unhashed(&old->index_hash); + if (unlikely(!ret)) + goto out; + new->index = old->index; hlist_replace_rcu(&old->index_hash, &new->index_hash); @@ -180,8 +184,9 @@ bool wg_index_hashtable_replace(struct index_hashtable *table, * simply gets dropped, which isn't terrible. */ INIT_HLIST_NODE(&old->index_hash); +out: spin_unlock_bh(&table->lock); - return true; + return ret; } void wg_index_hashtable_remove(struct index_hashtable *table, diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c index e8712ad3ac45c4..3c07d1bbe1c6e9 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c @@ -664,9 +664,15 @@ static void pkt_align(struct sk_buff *p, int len, int align) /* To check if there's window offered */ static bool data_ok(struct brcmf_sdio *bus) { - /* Reserve TXCTL_CREDITS credits for txctl */ - return (bus->tx_max - bus->tx_seq) > TXCTL_CREDITS && - ((bus->tx_max - bus->tx_seq) & 0x80) == 0; + u8 tx_rsv = 0; + + /* Reserve TXCTL_CREDITS credits for txctl when it is ready to send */ + if (bus->ctrl_frame_stat) + tx_rsv = TXCTL_CREDITS; + + return (bus->tx_max - bus->tx_seq - tx_rsv) != 0 && + ((bus->tx_max - bus->tx_seq - tx_rsv) & 0x80) == 0; + } /* To check if there's window offered */ diff --git a/drivers/net/wireless/marvell/mwifiex/fw.h b/drivers/net/wireless/marvell/mwifiex/fw.h index 8047e307892e36..d9f8bdbc817b23 100644 --- a/drivers/net/wireless/marvell/mwifiex/fw.h +++ b/drivers/net/wireless/marvell/mwifiex/fw.h @@ -954,7 +954,7 @@ struct mwifiex_tkip_param { struct mwifiex_aes_param { u8 pn[WPA_PN_SIZE]; __le16 key_len; - u8 key[WLAN_KEY_LEN_CCMP]; + u8 key[WLAN_KEY_LEN_CCMP_256]; } __packed; struct mwifiex_wapi_param { diff --git a/drivers/net/wireless/marvell/mwifiex/sta_cmdresp.c b/drivers/net/wireless/marvell/mwifiex/sta_cmdresp.c index 962d8bfe6f1014..119ccacd1fcc4e 100644 --- a/drivers/net/wireless/marvell/mwifiex/sta_cmdresp.c +++ b/drivers/net/wireless/marvell/mwifiex/sta_cmdresp.c @@ -619,7 +619,7 @@ static int mwifiex_ret_802_11_key_material_v2(struct mwifiex_private *priv, key_v2 = &resp->params.key_material_v2; len = le16_to_cpu(key_v2->key_param_set.key_params.aes.key_len); - if (len > WLAN_KEY_LEN_CCMP) + if (len > sizeof(key_v2->key_param_set.key_params.aes.key)) return -EINVAL; if (le16_to_cpu(key_v2->action) == HostCmd_ACT_GEN_SET) { @@ -635,7 +635,7 @@ static int mwifiex_ret_802_11_key_material_v2(struct mwifiex_private *priv, return 0; memset(priv->aes_key_v2.key_param_set.key_params.aes.key, 0, - WLAN_KEY_LEN_CCMP); + sizeof(key_v2->key_param_set.key_params.aes.key)); priv->aes_key_v2.key_param_set.key_params.aes.key_len = cpu_to_le16(len); memcpy(priv->aes_key_v2.key_param_set.key_params.aes.key, diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/init.c b/drivers/net/wireless/mediatek/mt76/mt7615/init.c index fc1ebabfebac81..1f57b43693bc50 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/init.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/init.c @@ -460,7 +460,7 @@ void mt7615_init_device(struct mt7615_dev *dev) dev->mphy.sband_2g.sband.ht_cap.cap |= IEEE80211_HT_CAP_LDPC_CODING; dev->mphy.sband_5g.sband.ht_cap.cap |= IEEE80211_HT_CAP_LDPC_CODING; dev->mphy.sband_5g.sband.vht_cap.cap |= - IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 | + IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 | IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK; mt7615_cap_dbdc_disable(dev); dev->phy.dfs_state = -1; diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c index d0cbb283982f2b..bd316dbd9041df 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c @@ -2128,7 +2128,8 @@ static int mt7615_load_n9(struct mt7615_dev *dev, const char *name) sizeof(dev->mt76.hw->wiphy->fw_version), "%.10s-%.15s", hdr->fw_ver, hdr->build_date); - if (!strncmp(hdr->fw_ver, "2.0", sizeof(hdr->fw_ver))) { + if (!is_mt7615(&dev->mt76) && + !strncmp(hdr->fw_ver, "2.0", sizeof(hdr->fw_ver))) { dev->fw_ver = MT7615_FIRMWARE_V2; dev->mcu_ops = &sta_update_ops; } else { diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/init.c b/drivers/net/wireless/mediatek/mt76/mt7915/init.c index e90d0087e377c1..8d6ceb3b67b45f 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/init.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/init.c @@ -699,8 +699,12 @@ void mt7915_unregister_device(struct mt7915_dev *dev) spin_lock_bh(&dev->token_lock); idr_for_each_entry(&dev->token, txwi, id) { mt7915_txp_skb_unmap(&dev->mt76, txwi); - if (txwi->skb) - dev_kfree_skb_any(txwi->skb); + if (txwi->skb) { + struct ieee80211_hw *hw; + + hw = mt76_tx_status_get_hw(&dev->mt76, txwi->skb); + ieee80211_free_txskb(hw, txwi->skb); + } mt76_put_txwi(&dev->mt76, txwi); } spin_unlock_bh(&dev->token_lock); diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c index 6825afca1efb04..036207f828f390 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c @@ -841,7 +841,7 @@ mt7915_tx_complete_status(struct mt76_dev *mdev, struct sk_buff *skb, if (sta || !(info->flags & IEEE80211_TX_CTL_NO_ACK)) mt7915_tx_status(sta, hw, info, NULL); - dev_kfree_skb(skb); + ieee80211_free_txskb(hw, skb); } void mt7915_txp_skb_unmap(struct mt76_dev *dev, diff --git a/drivers/net/wireless/quantenna/qtnfmac/core.c b/drivers/net/wireless/quantenna/qtnfmac/core.c index 6aafff9d4231be..e013ebe3079ced 100644 --- a/drivers/net/wireless/quantenna/qtnfmac/core.c +++ b/drivers/net/wireless/quantenna/qtnfmac/core.c @@ -671,9 +671,10 @@ bool qtnf_netdev_is_qtn(const struct net_device *ndev) return ndev->netdev_ops == &qtnf_netdev_ops; } -static int qtnf_check_br_ports(struct net_device *dev, void *data) +static int qtnf_check_br_ports(struct net_device *dev, + struct netdev_nested_priv *priv) { - struct net_device *ndev = data; + struct net_device *ndev = (struct net_device *)priv->data; if (dev != ndev && netdev_port_same_parent_id(dev, ndev)) return -ENOTSUPP; @@ -686,6 +687,9 @@ static int qtnf_core_netdevice_event(struct notifier_block *nb, { struct net_device *ndev = netdev_notifier_info_to_dev(ptr); const struct netdev_notifier_changeupper_info *info; + struct netdev_nested_priv priv = { + .data = (void *)ndev, + }; struct net_device *brdev; struct qtnf_vif *vif; struct qtnf_bus *bus; @@ -725,7 +729,7 @@ static int qtnf_core_netdevice_event(struct notifier_block *nb, } else { ret = netdev_walk_all_lower_dev(brdev, qtnf_check_br_ports, - ndev); + &priv); } break; diff --git a/drivers/net/wireless/ti/wlcore/cmd.h b/drivers/net/wireless/ti/wlcore/cmd.h index 9acd8a41ea61f2..f2609d5b6bf717 100644 --- a/drivers/net/wireless/ti/wlcore/cmd.h +++ b/drivers/net/wireless/ti/wlcore/cmd.h @@ -458,7 +458,6 @@ enum wl1271_cmd_key_type { KEY_TKIP = 2, KEY_AES = 3, KEY_GEM = 4, - KEY_IGTK = 5, }; struct wl1271_cmd_set_keys { diff --git a/drivers/net/wireless/ti/wlcore/main.c b/drivers/net/wireless/ti/wlcore/main.c index 821ad1acd50599..d2bbd5108f7e4f 100644 --- a/drivers/net/wireless/ti/wlcore/main.c +++ b/drivers/net/wireless/ti/wlcore/main.c @@ -3559,9 +3559,6 @@ int wlcore_set_key(struct wl1271 *wl, enum set_key_cmd cmd, case WL1271_CIPHER_SUITE_GEM: key_type = KEY_GEM; break; - case WLAN_CIPHER_SUITE_AES_CMAC: - key_type = KEY_IGTK; - break; default: wl1271_error("Unknown key algo 0x%x", key_conf->cipher); @@ -6231,7 +6228,6 @@ static int wl1271_init_ieee80211(struct wl1271 *wl) WLAN_CIPHER_SUITE_TKIP, WLAN_CIPHER_SUITE_CCMP, WL1271_CIPHER_SUITE_GEM, - WLAN_CIPHER_SUITE_AES_CMAC, }; /* The tx descriptor buffer */ diff --git a/drivers/net/xen-netback/hash.c b/drivers/net/xen-netback/hash.c index 6b7532f7c936d9..ff96f22648efde 100644 --- a/drivers/net/xen-netback/hash.c +++ b/drivers/net/xen-netback/hash.c @@ -393,7 +393,7 @@ void xenvif_dump_hash_info(struct xenvif *vif, struct seq_file *m) case XEN_NETIF_CTRL_HASH_ALGORITHM_NONE: seq_puts(m, "Hash Algorithm: NONE\n"); - /* FALLTHRU */ + fallthrough; default: return; } diff --git a/drivers/net/xen-netback/xenbus.c b/drivers/net/xen-netback/xenbus.c index 7e62a6ee76223b..f1c1624cec8f5d 100644 --- a/drivers/net/xen-netback/xenbus.c +++ b/drivers/net/xen-netback/xenbus.c @@ -448,7 +448,7 @@ static void frontend_changed(struct xenbus_device *dev, set_backend_state(be, XenbusStateClosed); if (xenbus_dev_is_online(dev)) break; - /* fall through - if not online */ + fallthrough; /* if not online */ case XenbusStateUnknown: set_backend_state(be, XenbusStateClosed); device_unregister(&dev->dev); diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c index 458be6882b9886..3e9895bec15f08 100644 --- a/drivers/net/xen-netfront.c +++ b/drivers/net/xen-netfront.c @@ -2341,7 +2341,7 @@ static void netback_changed(struct xenbus_device *dev, case XenbusStateClosed: if (dev->state == XenbusStateClosed) break; - /* Fall through - Missed the backend's CLOSING state. */ + fallthrough; /* Missed the backend's CLOSING state */ case XenbusStateClosing: xenbus_frontend_closed(dev); break; diff --git a/drivers/nfc/pn533/pn533.c b/drivers/nfc/pn533/pn533.c index 346e084387f7d1..f7464bd6d57cb2 100644 --- a/drivers/nfc/pn533/pn533.c +++ b/drivers/nfc/pn533/pn533.c @@ -2321,7 +2321,7 @@ static int pn533_transceive(struct nfc_dev *nfc_dev, break; } - /* fall through */ + fallthrough; default: /* jumbo frame ? */ if (skb->len > PN533_CMD_DATAEXCH_DATA_MAXLEN) { @@ -2448,7 +2448,7 @@ static void pn533_wq_mi_recv(struct work_struct *work) break; } - /* fall through */ + fallthrough; default: skb_put_u8(skb, 1); /*TG*/ diff --git a/drivers/nfc/st21nfca/dep.c b/drivers/nfc/st21nfca/dep.c index 0b9ca6d20ffadc..8874d605b14f8d 100644 --- a/drivers/nfc/st21nfca/dep.c +++ b/drivers/nfc/st21nfca/dep.c @@ -611,7 +611,7 @@ static void st21nfca_im_recv_dep_res_cb(void *context, struct sk_buff *skb, switch (ST21NFCA_NFC_DEP_PFB_TYPE(dep_res->pfb)) { case ST21NFCA_NFC_DEP_PFB_ACK_NACK_PDU: pr_err("Received a ACK/NACK PDU\n"); - /* fall through */ + fallthrough; case ST21NFCA_NFC_DEP_PFB_I_PDU: info->dep_info.curr_nfc_dep_pni = ST21NFCA_NFC_DEP_PFB_PNI(dep_res->pfb + 1); diff --git a/drivers/nfc/st95hf/core.c b/drivers/nfc/st95hf/core.c index 9642971e89ceae..45785476598399 100644 --- a/drivers/nfc/st95hf/core.c +++ b/drivers/nfc/st95hf/core.c @@ -966,7 +966,7 @@ static int st95hf_in_send_cmd(struct nfc_digital_dev *ddev, rc = down_killable(&stcontext->exchange_lock); if (rc) { WARN(1, "Semaphore is not found up in st95hf_in_send_cmd\n"); - return rc; + goto free_skb_resp; } rc = st95hf_spi_send(&stcontext->spicontext, skb->data, diff --git a/drivers/nfc/trf7970a.c b/drivers/nfc/trf7970a.c index e46adaac1c6350..3bd97c73f983f2 100644 --- a/drivers/nfc/trf7970a.c +++ b/drivers/nfc/trf7970a.c @@ -1153,7 +1153,7 @@ static int trf7970a_switch_rf(struct nfc_digital_dev *ddev, bool on) dev_err(trf->dev, "%s - Invalid request: %d %d\n", __func__, trf->state, on); ret = -EINVAL; - /* FALLTHROUGH */ + fallthrough; case TRF7970A_ST_IDLE: case TRF7970A_ST_IDLE_RX_BLOCKED: case TRF7970A_ST_WAIT_FOR_RX_DATA: @@ -1960,7 +1960,7 @@ static void trf7970a_shutdown(struct trf7970a *trf) case TRF7970A_ST_WAIT_TO_ISSUE_EOF: case TRF7970A_ST_LISTENING: trf7970a_send_err_upstream(trf, -ECANCELED); - /* FALLTHROUGH */ + fallthrough; case TRF7970A_ST_IDLE: case TRF7970A_ST_IDLE_RX_BLOCKED: trf7970a_switch_rf_off(trf); diff --git a/drivers/ntb/ntb_transport.c b/drivers/ntb/ntb_transport.c index e6d1f5b298f340..4a02561cfb9657 100644 --- a/drivers/ntb/ntb_transport.c +++ b/drivers/ntb/ntb_transport.c @@ -1483,7 +1483,7 @@ static void ntb_rx_copy_callback(void *data, case DMA_TRANS_READ_FAILED: case DMA_TRANS_WRITE_FAILED: entry->errors++; - /* fall through */ + fallthrough; case DMA_TRANS_ABORTED: { struct ntb_transport_qp *qp = entry->qp; @@ -1739,7 +1739,7 @@ static void ntb_tx_copy_callback(void *data, case DMA_TRANS_READ_FAILED: case DMA_TRANS_WRITE_FAILED: entry->errors++; - /* fall through */ + fallthrough; case DMA_TRANS_ABORTED: { void __iomem *offset = diff --git a/drivers/nvdimm/dimm_devs.c b/drivers/nvdimm/dimm_devs.c index 61374def515552..b59032e0859b7f 100644 --- a/drivers/nvdimm/dimm_devs.c +++ b/drivers/nvdimm/dimm_devs.c @@ -529,6 +529,7 @@ static DEVICE_ATTR_ADMIN_RW(activate); static struct attribute *nvdimm_firmware_attributes[] = { &dev_attr_activate.attr, &dev_attr_result.attr, + NULL, }; static umode_t nvdimm_firmware_visible(struct kobject *kobj, struct attribute *a, int n) diff --git a/drivers/nvme/host/Kconfig b/drivers/nvme/host/Kconfig index 3ed9786b88d8ed..a44d49d63968a4 100644 --- a/drivers/nvme/host/Kconfig +++ b/drivers/nvme/host/Kconfig @@ -73,6 +73,7 @@ config NVME_TCP depends on INET depends on BLK_DEV_NVME select NVME_FABRICS + select CRYPTO select CRYPTO_CRC32C help This provides support for the NVMe over Fabrics protocol using diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index 88cff309d8e4f0..893e29624c16be 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -241,17 +241,6 @@ static blk_status_t nvme_error_status(u16 status) } } -static inline bool nvme_req_needs_retry(struct request *req) -{ - if (blk_noretry_request(req)) - return false; - if (nvme_req(req)->status & NVME_SC_DNR) - return false; - if (nvme_req(req)->retries >= nvme_max_retries) - return false; - return true; -} - static void nvme_retry_req(struct request *req) { struct nvme_ns *ns = req->q->queuedata; @@ -268,34 +257,67 @@ static void nvme_retry_req(struct request *req) blk_mq_delay_kick_requeue_list(req->q, delay); } -void nvme_complete_rq(struct request *req) +enum nvme_disposition { + COMPLETE, + RETRY, + FAILOVER, +}; + +static inline enum nvme_disposition nvme_decide_disposition(struct request *req) { - blk_status_t status = nvme_error_status(nvme_req(req)->status); + if (likely(nvme_req(req)->status == 0)) + return COMPLETE; - trace_nvme_complete_rq(req); + if (blk_noretry_request(req) || + (nvme_req(req)->status & NVME_SC_DNR) || + nvme_req(req)->retries >= nvme_max_retries) + return COMPLETE; - nvme_cleanup_cmd(req); + if (req->cmd_flags & REQ_NVME_MPATH) { + if (nvme_is_path_error(nvme_req(req)->status) || + blk_queue_dying(req->q)) + return FAILOVER; + } else { + if (blk_queue_dying(req->q)) + return COMPLETE; + } - if (nvme_req(req)->ctrl->kas) - nvme_req(req)->ctrl->comp_seen = true; + return RETRY; +} - if (unlikely(status != BLK_STS_OK && nvme_req_needs_retry(req))) { - if ((req->cmd_flags & REQ_NVME_MPATH) && nvme_failover_req(req)) - return; +static inline void nvme_end_req(struct request *req) +{ + blk_status_t status = nvme_error_status(nvme_req(req)->status); - if (!blk_queue_dying(req->q)) { - nvme_retry_req(req); - return; - } - } else if (IS_ENABLED(CONFIG_BLK_DEV_ZONED) && - req_op(req) == REQ_OP_ZONE_APPEND) { + if (IS_ENABLED(CONFIG_BLK_DEV_ZONED) && + req_op(req) == REQ_OP_ZONE_APPEND) req->__sector = nvme_lba_to_sect(req->q->queuedata, le64_to_cpu(nvme_req(req)->result.u64)); - } nvme_trace_bio_complete(req, status); blk_mq_end_request(req, status); } + +void nvme_complete_rq(struct request *req) +{ + trace_nvme_complete_rq(req); + nvme_cleanup_cmd(req); + + if (nvme_req(req)->ctrl->kas) + nvme_req(req)->ctrl->comp_seen = true; + + switch (nvme_decide_disposition(req)) { + case COMPLETE: + nvme_end_req(req); + return; + case RETRY: + nvme_retry_req(req); + return; + case FAILOVER: + nvme_failover_req(req); + return; + } +} EXPORT_SYMBOL_GPL(nvme_complete_rq); bool nvme_cancel_request(struct request *req, void *data, bool reserved) @@ -330,7 +352,7 @@ bool nvme_change_ctrl_state(struct nvme_ctrl *ctrl, case NVME_CTRL_RESETTING: case NVME_CTRL_CONNECTING: changed = true; - /* FALLTHRU */ + fallthrough; default: break; } @@ -340,7 +362,7 @@ bool nvme_change_ctrl_state(struct nvme_ctrl *ctrl, case NVME_CTRL_NEW: case NVME_CTRL_LIVE: changed = true; - /* FALLTHRU */ + fallthrough; default: break; } @@ -350,7 +372,7 @@ bool nvme_change_ctrl_state(struct nvme_ctrl *ctrl, case NVME_CTRL_NEW: case NVME_CTRL_RESETTING: changed = true; - /* FALLTHRU */ + fallthrough; default: break; } @@ -361,7 +383,7 @@ bool nvme_change_ctrl_state(struct nvme_ctrl *ctrl, case NVME_CTRL_RESETTING: case NVME_CTRL_CONNECTING: changed = true; - /* FALLTHRU */ + fallthrough; default: break; } @@ -371,7 +393,7 @@ bool nvme_change_ctrl_state(struct nvme_ctrl *ctrl, case NVME_CTRL_DELETING: case NVME_CTRL_DEAD: changed = true; - /* FALLTHRU */ + fallthrough; default: break; } @@ -380,7 +402,7 @@ bool nvme_change_ctrl_state(struct nvme_ctrl *ctrl, switch (old_state) { case NVME_CTRL_DELETING: changed = true; - /* FALLTHRU */ + fallthrough; default: break; } @@ -2004,13 +2026,49 @@ static void nvme_update_disk_info(struct gendisk *disk, blk_mq_unfreeze_queue(disk->queue); } +static inline bool nvme_first_scan(struct gendisk *disk) +{ + /* nvme_alloc_ns() scans the disk prior to adding it */ + return !(disk->flags & GENHD_FL_UP); +} + +static void nvme_set_chunk_sectors(struct nvme_ns *ns, struct nvme_id_ns *id) +{ + struct nvme_ctrl *ctrl = ns->ctrl; + u32 iob; + + if ((ctrl->quirks & NVME_QUIRK_STRIPE_SIZE) && + is_power_of_2(ctrl->max_hw_sectors)) + iob = ctrl->max_hw_sectors; + else + iob = nvme_lba_to_sect(ns, le16_to_cpu(id->noiob)); + + if (!iob) + return; + + if (!is_power_of_2(iob)) { + if (nvme_first_scan(ns->disk)) + pr_warn("%s: ignoring unaligned IO boundary:%u\n", + ns->disk->disk_name, iob); + return; + } + + if (blk_queue_is_zoned(ns->disk->queue)) { + if (nvme_first_scan(ns->disk)) + pr_warn("%s: ignoring zoned namespace IO boundary\n", + ns->disk->disk_name); + return; + } + + blk_queue_chunk_sectors(ns->queue, iob); +} + static int __nvme_revalidate_disk(struct gendisk *disk, struct nvme_id_ns *id) { unsigned lbaf = id->flbas & NVME_NS_FLBAS_LBA_MASK; struct nvme_ns *ns = disk->private_data; struct nvme_ctrl *ctrl = ns->ctrl; int ret; - u32 iob; /* * If identify namespace failed, use default 512 byte block size so @@ -2038,12 +2096,6 @@ static int __nvme_revalidate_disk(struct gendisk *disk, struct nvme_id_ns *id) return -ENODEV; } - if ((ctrl->quirks & NVME_QUIRK_STRIPE_SIZE) && - is_power_of_2(ctrl->max_hw_sectors)) - iob = ctrl->max_hw_sectors; - else - iob = nvme_lba_to_sect(ns, le16_to_cpu(id->noiob)); - ns->features = 0; ns->ms = le16_to_cpu(id->lbaf[lbaf].ms); /* the PI implementation requires metadata equal t10 pi tuple size */ @@ -2075,8 +2127,7 @@ static int __nvme_revalidate_disk(struct gendisk *disk, struct nvme_id_ns *id) } } - if (iob) - blk_queue_chunk_sectors(ns->queue, rounddown_pow_of_two(iob)); + nvme_set_chunk_sectors(ns, id); nvme_update_disk_info(disk, ns, id); #ifdef CONFIG_NVME_MULTIPATH if (ns->head->disk) { @@ -2965,14 +3016,14 @@ static struct nvme_cel *nvme_find_cel(struct nvme_ctrl *ctrl, u8 csi) { struct nvme_cel *cel, *ret = NULL; - spin_lock(&ctrl->lock); + spin_lock_irq(&ctrl->lock); list_for_each_entry(cel, &ctrl->cels, entry) { if (cel->csi == csi) { ret = cel; break; } } - spin_unlock(&ctrl->lock); + spin_unlock_irq(&ctrl->lock); return ret; } @@ -2990,7 +3041,7 @@ static int nvme_get_effects_log(struct nvme_ctrl *ctrl, u8 csi, if (!cel) return -ENOMEM; - ret = nvme_get_log(ctrl, NVME_NSID_ALL, NVME_LOG_CMD_EFFECTS, 0, csi, + ret = nvme_get_log(ctrl, 0x00, NVME_LOG_CMD_EFFECTS, 0, csi, &cel->log, sizeof(cel->log), 0); if (ret) { kfree(cel); @@ -2999,9 +3050,9 @@ static int nvme_get_effects_log(struct nvme_ctrl *ctrl, u8 csi, cel->csi = csi; - spin_lock(&ctrl->lock); + spin_lock_irq(&ctrl->lock); list_add_tail(&cel->entry, &ctrl->cels); - spin_unlock(&ctrl->lock); + spin_unlock_irq(&ctrl->lock); out: *log = &cel->log; return 0; @@ -3185,8 +3236,11 @@ int nvme_init_identify(struct nvme_ctrl *ctrl) if (ret < 0) return ret; - if (!ctrl->identified) - nvme_hwmon_init(ctrl); + if (!ctrl->identified) { + ret = nvme_hwmon_init(ctrl); + if (ret < 0) + return ret; + } ctrl->identified = true; @@ -3210,10 +3264,26 @@ static int nvme_dev_open(struct inode *inode, struct file *file) return -EWOULDBLOCK; } + nvme_get_ctrl(ctrl); + if (!try_module_get(ctrl->ops->module)) { + nvme_put_ctrl(ctrl); + return -EINVAL; + } + file->private_data = ctrl; return 0; } +static int nvme_dev_release(struct inode *inode, struct file *file) +{ + struct nvme_ctrl *ctrl = + container_of(inode->i_cdev, struct nvme_ctrl, cdev); + + module_put(ctrl->ops->module); + nvme_put_ctrl(ctrl); + return 0; +} + static int nvme_dev_user_cmd(struct nvme_ctrl *ctrl, void __user *argp) { struct nvme_ns *ns; @@ -3276,6 +3346,7 @@ static long nvme_dev_ioctl(struct file *file, unsigned int cmd, static const struct file_operations nvme_dev_fops = { .owner = THIS_MODULE, .open = nvme_dev_open, + .release = nvme_dev_release, .unlocked_ioctl = nvme_dev_ioctl, .compat_ioctl = compat_ptr_ioctl, }; @@ -3474,10 +3545,6 @@ static ssize_t nvme_sysfs_delete(struct device *dev, { struct nvme_ctrl *ctrl = dev_get_drvdata(dev); - /* Can't delete non-created controllers */ - if (!ctrl->created) - return -EBUSY; - if (device_remove_file_self(dev, attr)) nvme_delete_ctrl_sync(ctrl); return count; @@ -3654,6 +3721,10 @@ static umode_t nvme_dev_attrs_are_visible(struct kobject *kobj, return 0; if (a == &dev_attr_hostid.attr && !ctrl->opts) return 0; + if (a == &dev_attr_ctrl_loss_tmo.attr && !ctrl->opts) + return 0; + if (a == &dev_attr_reconnect_delay.attr && !ctrl->opts) + return 0; return a->mode; } @@ -4348,7 +4419,6 @@ void nvme_start_ctrl(struct nvme_ctrl *ctrl) nvme_queue_scan(ctrl); nvme_start_queues(ctrl); } - ctrl->created = true; } EXPORT_SYMBOL_GPL(nvme_start_ctrl); @@ -4368,7 +4438,7 @@ static void nvme_free_ctrl(struct device *dev) struct nvme_subsystem *subsys = ctrl->subsys; struct nvme_cel *cel, *next; - if (subsys && ctrl->instance != subsys->instance) + if (!subsys || ctrl->instance != subsys->instance) ida_simple_remove(&nvme_instance_ida, ctrl->instance); list_for_each_entry_safe(cel, next, &ctrl->cels, entry) { @@ -4512,7 +4582,7 @@ void nvme_unfreeze(struct nvme_ctrl *ctrl) } EXPORT_SYMBOL_GPL(nvme_unfreeze); -void nvme_wait_freeze_timeout(struct nvme_ctrl *ctrl, long timeout) +int nvme_wait_freeze_timeout(struct nvme_ctrl *ctrl, long timeout) { struct nvme_ns *ns; @@ -4523,6 +4593,7 @@ void nvme_wait_freeze_timeout(struct nvme_ctrl *ctrl, long timeout) break; } up_read(&ctrl->namespaces_rwsem); + return timeout; } EXPORT_SYMBOL_GPL(nvme_wait_freeze_timeout); diff --git a/drivers/nvme/host/fabrics.c b/drivers/nvme/host/fabrics.c index 4ec4829d62334b..8575724734e02e 100644 --- a/drivers/nvme/host/fabrics.c +++ b/drivers/nvme/host/fabrics.c @@ -565,10 +565,14 @@ bool __nvmf_check_ready(struct nvme_ctrl *ctrl, struct request *rq, struct nvme_request *req = nvme_req(rq); /* - * If we are in some state of setup or teardown only allow - * internally generated commands. + * currently we have a problem sending passthru commands + * on the admin_q if the controller is not LIVE because we can't + * make sure that they are going out after the admin connect, + * controller enable and/or other commands in the initialization + * sequence. until the controller will be LIVE, fail with + * BLK_STS_RESOURCE so that they will be rescheduled. */ - if (!blk_rq_is_passthrough(rq) || (req->flags & NVME_REQ_USERCMD)) + if (rq->q == ctrl->admin_q && (req->flags & NVME_REQ_USERCMD)) return false; /* @@ -576,9 +580,8 @@ bool __nvmf_check_ready(struct nvme_ctrl *ctrl, struct request *rq, * which is require to set the queue live in the appropinquate states. */ switch (ctrl->state) { - case NVME_CTRL_NEW: case NVME_CTRL_CONNECTING: - if (nvme_is_fabrics(req->cmd) && + if (blk_rq_is_passthrough(rq) && nvme_is_fabrics(req->cmd) && req->cmd->fabrics.fctype == nvme_fabrics_type_connect) return true; break; diff --git a/drivers/nvme/host/fc.c b/drivers/nvme/host/fc.c index eae43bb444e038..e2e09e25c05662 100644 --- a/drivers/nvme/host/fc.c +++ b/drivers/nvme/host/fc.c @@ -2035,7 +2035,7 @@ done: } __nvme_fc_fcpop_chk_teardowns(ctrl, op, opstate); - if (!nvme_end_request(rq, status, result)) + if (!nvme_try_complete_req(rq, status, result)) nvme_fc_complete_rq(rq); check_error: @@ -2078,7 +2078,7 @@ __nvme_fc_init_request(struct nvme_fc_ctrl *ctrl, if (fc_dma_mapping_error(ctrl->lport->dev, op->fcp_req.cmddma)) { dev_err(ctrl->dev, "FCP Op failed - cmdiu dma mapping failed.\n"); - ret = EFAULT; + ret = -EFAULT; goto out_on_error; } @@ -2088,7 +2088,7 @@ __nvme_fc_init_request(struct nvme_fc_ctrl *ctrl, if (fc_dma_mapping_error(ctrl->lport->dev, op->fcp_req.rspdma)) { dev_err(ctrl->dev, "FCP Op failed - rspiu dma mapping failed.\n"); - ret = EFAULT; + ret = -EFAULT; } atomic_set(&op->state, FCPOP_STATE_IDLE); @@ -2160,6 +2160,7 @@ nvme_fc_term_aen_ops(struct nvme_fc_ctrl *ctrl) struct nvme_fc_fcp_op *aen_op; int i; + cancel_work_sync(&ctrl->ctrl.async_event_work); aen_op = ctrl->aen_ops; for (i = 0; i < NVME_NR_AEN_COMMANDS; i++, aen_op++) { __nvme_fc_exit_request(ctrl, aen_op); @@ -3670,12 +3671,14 @@ nvme_fc_create_ctrl(struct device *dev, struct nvmf_ctrl_options *opts) spin_lock_irqsave(&nvme_fc_lock, flags); list_for_each_entry(lport, &nvme_fc_lport_list, port_list) { if (lport->localport.node_name != laddr.nn || - lport->localport.port_name != laddr.pn) + lport->localport.port_name != laddr.pn || + lport->localport.port_state != FC_OBJSTATE_ONLINE) continue; list_for_each_entry(rport, &lport->endp_list, endp_list) { if (rport->remoteport.node_name != raddr.nn || - rport->remoteport.port_name != raddr.pn) + rport->remoteport.port_name != raddr.pn || + rport->remoteport.port_state != FC_OBJSTATE_ONLINE) continue; /* if fail to get reference fall through. Will error */ diff --git a/drivers/nvme/host/hwmon.c b/drivers/nvme/host/hwmon.c index 412a6c97c0d87a..552dbc04567bcb 100644 --- a/drivers/nvme/host/hwmon.c +++ b/drivers/nvme/host/hwmon.c @@ -59,12 +59,8 @@ static int nvme_set_temp_thresh(struct nvme_ctrl *ctrl, int sensor, bool under, static int nvme_hwmon_get_smart_log(struct nvme_hwmon_data *data) { - int ret; - - ret = nvme_get_log(data->ctrl, NVME_NSID_ALL, NVME_LOG_SMART, 0, + return nvme_get_log(data->ctrl, NVME_NSID_ALL, NVME_LOG_SMART, 0, NVME_CSI_NVM, &data->log, sizeof(data->log), 0); - - return ret <= 0 ? ret : -EIO; } static int nvme_hwmon_read(struct device *dev, enum hwmon_sensor_types type, @@ -225,7 +221,7 @@ static const struct hwmon_chip_info nvme_hwmon_chip_info = { .info = nvme_hwmon_info, }; -void nvme_hwmon_init(struct nvme_ctrl *ctrl) +int nvme_hwmon_init(struct nvme_ctrl *ctrl) { struct device *dev = ctrl->dev; struct nvme_hwmon_data *data; @@ -234,7 +230,7 @@ void nvme_hwmon_init(struct nvme_ctrl *ctrl) data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL); if (!data) - return; + return 0; data->ctrl = ctrl; mutex_init(&data->read_lock); @@ -244,7 +240,7 @@ void nvme_hwmon_init(struct nvme_ctrl *ctrl) dev_warn(ctrl->device, "Failed to read smart log (error %d)\n", err); devm_kfree(dev, data); - return; + return err; } hwmon = devm_hwmon_device_register_with_info(dev, "nvme", data, @@ -254,4 +250,6 @@ void nvme_hwmon_init(struct nvme_ctrl *ctrl) dev_warn(dev, "Failed to instantiate hwmon device\n"); devm_kfree(dev, data); } + + return 0; } diff --git a/drivers/nvme/host/multipath.c b/drivers/nvme/host/multipath.c index 3ded54d2c9c6ad..d4ba736c6c8905 100644 --- a/drivers/nvme/host/multipath.c +++ b/drivers/nvme/host/multipath.c @@ -65,51 +65,30 @@ void nvme_set_disk_name(char *disk_name, struct nvme_ns *ns, } } -bool nvme_failover_req(struct request *req) +void nvme_failover_req(struct request *req) { struct nvme_ns *ns = req->q->queuedata; - u16 status = nvme_req(req)->status; + u16 status = nvme_req(req)->status & 0x7ff; unsigned long flags; - switch (status & 0x7ff) { - case NVME_SC_ANA_TRANSITION: - case NVME_SC_ANA_INACCESSIBLE: - case NVME_SC_ANA_PERSISTENT_LOSS: - /* - * If we got back an ANA error we know the controller is alive, - * but not ready to serve this namespaces. The spec suggests - * we should update our general state here, but due to the fact - * that the admin and I/O queues are not serialized that is - * fundamentally racy. So instead just clear the current path, - * mark the the path as pending and kick of a re-read of the ANA - * log page ASAP. - */ - nvme_mpath_clear_current_path(ns); - if (ns->ctrl->ana_log_buf) { - set_bit(NVME_NS_ANA_PENDING, &ns->flags); - queue_work(nvme_wq, &ns->ctrl->ana_work); - } - break; - case NVME_SC_HOST_PATH_ERROR: - case NVME_SC_HOST_ABORTED_CMD: - /* - * Temporary transport disruption in talking to the controller. - * Try to send on a new path. - */ - nvme_mpath_clear_current_path(ns); - break; - default: - /* This was a non-ANA error so follow the normal error path. */ - return false; + nvme_mpath_clear_current_path(ns); + + /* + * If we got back an ANA error, we know the controller is alive but not + * ready to serve this namespace. Kick of a re-read of the ANA + * information page, and just try any other available path for now. + */ + if (nvme_is_ana_error(status) && ns->ctrl->ana_log_buf) { + set_bit(NVME_NS_ANA_PENDING, &ns->flags); + queue_work(nvme_wq, &ns->ctrl->ana_work); } spin_lock_irqsave(&ns->head->requeue_lock, flags); blk_steal_bios(&ns->head->requeue_list, req); spin_unlock_irqrestore(&ns->head->requeue_lock, flags); - blk_mq_end_request(req, 0); + blk_mq_end_request(req, 0); kblockd_schedule_work(&ns->head->requeue_work); - return true; } void nvme_kick_requeue_lists(struct nvme_ctrl *ctrl) @@ -233,7 +212,7 @@ static struct nvme_ns *nvme_next_ns(struct nvme_ns_head *head, static struct nvme_ns *nvme_round_robin_path(struct nvme_ns_head *head, int node, struct nvme_ns *old) { - struct nvme_ns *ns, *found, *fallback = NULL; + struct nvme_ns *ns, *found = NULL; if (list_is_singular(&head->list)) { if (nvme_path_is_disabled(old)) @@ -252,18 +231,22 @@ static struct nvme_ns *nvme_round_robin_path(struct nvme_ns_head *head, goto out; } if (ns->ana_state == NVME_ANA_NONOPTIMIZED) - fallback = ns; + found = ns; } - /* No optimized path found, re-check the current path */ + /* + * The loop above skips the current path for round-robin semantics. + * Fall back to the current path if either: + * - no other optimized path found and current is optimized, + * - no other usable path found and current is usable. + */ if (!nvme_path_is_disabled(old) && - old->ana_state == NVME_ANA_OPTIMIZED) { - found = old; - goto out; - } - if (!fallback) + (old->ana_state == NVME_ANA_OPTIMIZED || + (!found && old->ana_state == NVME_ANA_NONOPTIMIZED))) + return old; + + if (!found) return NULL; - found = fallback; out: rcu_assign_pointer(head->current_path[node], found); return found; diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h index ebb8c3ed388554..2aaedfa43ed86c 100644 --- a/drivers/nvme/host/nvme.h +++ b/drivers/nvme/host/nvme.h @@ -307,7 +307,6 @@ struct nvme_ctrl { struct nvme_command ka_cmd; struct work_struct fw_act_work; unsigned long events; - bool created; #ifdef CONFIG_NVME_MULTIPATH /* asymmetric namespace access: */ @@ -523,7 +522,31 @@ static inline u32 nvme_bytes_to_numd(size_t len) return (len >> 2) - 1; } -static inline bool nvme_end_request(struct request *req, __le16 status, +static inline bool nvme_is_ana_error(u16 status) +{ + switch (status & 0x7ff) { + case NVME_SC_ANA_TRANSITION: + case NVME_SC_ANA_INACCESSIBLE: + case NVME_SC_ANA_PERSISTENT_LOSS: + return true; + default: + return false; + } +} + +static inline bool nvme_is_path_error(u16 status) +{ + /* check for a status code type of 'path related status' */ + return (status & 0x700) == 0x300; +} + +/* + * Fill in the status and result information from the CQE, and then figure out + * if blk-mq will need to use IPI magic to complete the request, and if yes do + * so. If not let the caller complete the request without an indirect function + * call. + */ +static inline bool nvme_try_complete_req(struct request *req, __le16 status, union nvme_result result) { struct nvme_request *rq = nvme_req(req); @@ -581,7 +604,7 @@ void nvme_kill_queues(struct nvme_ctrl *ctrl); void nvme_sync_queues(struct nvme_ctrl *ctrl); void nvme_unfreeze(struct nvme_ctrl *ctrl); void nvme_wait_freeze(struct nvme_ctrl *ctrl); -void nvme_wait_freeze_timeout(struct nvme_ctrl *ctrl, long timeout); +int nvme_wait_freeze_timeout(struct nvme_ctrl *ctrl, long timeout); void nvme_start_freeze(struct nvme_ctrl *ctrl); #define NVME_QID_ANY -1 @@ -629,7 +652,7 @@ void nvme_mpath_wait_freeze(struct nvme_subsystem *subsys); void nvme_mpath_start_freeze(struct nvme_subsystem *subsys); void nvme_set_disk_name(char *disk_name, struct nvme_ns *ns, struct nvme_ctrl *ctrl, int *flags); -bool nvme_failover_req(struct request *req); +void nvme_failover_req(struct request *req); void nvme_kick_requeue_lists(struct nvme_ctrl *ctrl); int nvme_mpath_alloc_disk(struct nvme_ctrl *ctrl,struct nvme_ns_head *head); void nvme_mpath_add_disk(struct nvme_ns *ns, struct nvme_id_ns *id); @@ -688,9 +711,8 @@ static inline void nvme_set_disk_name(char *disk_name, struct nvme_ns *ns, sprintf(disk_name, "nvme%dn%d", ctrl->instance, ns->head->instance); } -static inline bool nvme_failover_req(struct request *req) +static inline void nvme_failover_req(struct request *req) { - return false; } static inline void nvme_kick_requeue_lists(struct nvme_ctrl *ctrl) { @@ -805,9 +827,12 @@ static inline struct nvme_ns *nvme_get_ns_from_dev(struct device *dev) } #ifdef CONFIG_NVME_HWMON -void nvme_hwmon_init(struct nvme_ctrl *ctrl); +int nvme_hwmon_init(struct nvme_ctrl *ctrl); #else -static inline void nvme_hwmon_init(struct nvme_ctrl *ctrl) { } +static inline int nvme_hwmon_init(struct nvme_ctrl *ctrl) +{ + return 0; +} #endif u32 nvme_command_effects(struct nvme_ctrl *ctrl, struct nvme_ns *ns, diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index ba725ae47305ef..8984796db0c801 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -120,7 +120,7 @@ struct nvme_dev { unsigned max_qid; unsigned io_queues[HCTX_MAX_TYPES]; unsigned int num_vecs; - u16 q_depth; + u32 q_depth; int io_sqes; u32 db_stride; void __iomem *bar; @@ -157,13 +157,13 @@ struct nvme_dev { static int io_queue_depth_set(const char *val, const struct kernel_param *kp) { int ret; - u16 n; + u32 n; - ret = kstrtou16(val, 10, &n); + ret = kstrtou32(val, 10, &n); if (ret != 0 || n < 2) return -EINVAL; - return param_set_ushort(val, kp); + return param_set_uint(val, kp); } static inline unsigned int sq_idx(unsigned int qid, u32 stride) @@ -195,7 +195,7 @@ struct nvme_queue { dma_addr_t sq_dma_addr; dma_addr_t cq_dma_addr; u32 __iomem *q_db; - u16 q_depth; + u32 q_depth; u16 cq_vector; u16 sq_tail; u16 cq_head; @@ -940,13 +940,6 @@ static inline void nvme_handle_cqe(struct nvme_queue *nvmeq, u16 idx) struct nvme_completion *cqe = &nvmeq->cqes[idx]; struct request *req; - if (unlikely(cqe->command_id >= nvmeq->q_depth)) { - dev_warn(nvmeq->dev->ctrl.device, - "invalid id %d completed on queue %d\n", - cqe->command_id, le16_to_cpu(cqe->sq_id)); - return; - } - /* * AEN requests are special as they don't time out and can * survive any kind of queue freeze and often don't respond to @@ -960,8 +953,15 @@ static inline void nvme_handle_cqe(struct nvme_queue *nvmeq, u16 idx) } req = blk_mq_tag_to_rq(nvme_queue_tagset(nvmeq), cqe->command_id); + if (unlikely(!req)) { + dev_warn(nvmeq->dev->ctrl.device, + "invalid id %d completed on queue %d\n", + cqe->command_id, le16_to_cpu(cqe->sq_id)); + return; + } + trace_nvme_sq(req, cqe->sq_head, nvmeq->sq_tail); - if (!nvme_end_request(req, cqe->status, cqe->result)) + if (!nvme_try_complete_req(req, cqe->status, cqe->result)) nvme_pci_complete_rq(req); } @@ -1244,13 +1244,13 @@ static enum blk_eh_timer_return nvme_timeout(struct request *req, bool reserved) switch (dev->ctrl.state) { case NVME_CTRL_CONNECTING: nvme_change_ctrl_state(&dev->ctrl, NVME_CTRL_DELETING); - /* fall through */ + fallthrough; case NVME_CTRL_DELETING: dev_warn_ratelimited(dev->ctrl.device, "I/O %d QID %d timeout, disable controller\n", req->tag, nvmeq->qid); - nvme_dev_disable(dev, true); nvme_req(req)->flags |= NVME_REQ_CANCELLED; + nvme_dev_disable(dev, true); return BLK_EH_DONE; case NVME_CTRL_RESETTING: return BLK_EH_RESET_TIMER; @@ -1267,10 +1267,10 @@ static enum blk_eh_timer_return nvme_timeout(struct request *req, bool reserved) dev_warn(dev->ctrl.device, "I/O %d QID %d timeout, reset controller\n", req->tag, nvmeq->qid); + nvme_req(req)->flags |= NVME_REQ_CANCELLED; nvme_dev_disable(dev, false); nvme_reset_ctrl(&dev->ctrl); - nvme_req(req)->flags |= NVME_REQ_CANCELLED; return BLK_EH_DONE; } @@ -2320,7 +2320,7 @@ static int nvme_pci_enable(struct nvme_dev *dev) dev->ctrl.cap = lo_hi_readq(dev->bar + NVME_REG_CAP); - dev->q_depth = min_t(u16, NVME_CAP_MQES(dev->ctrl.cap) + 1, + dev->q_depth = min_t(u32, NVME_CAP_MQES(dev->ctrl.cap) + 1, io_queue_depth); dev->ctrl.sqsize = dev->q_depth - 1; /* 0's based queue depth */ dev->db_stride = 1 << NVME_CAP_STRIDE(dev->ctrl.cap); @@ -2460,7 +2460,8 @@ static int nvme_disable_prepare_reset(struct nvme_dev *dev, bool shutdown) static int nvme_setup_prp_pools(struct nvme_dev *dev) { dev->prp_page_pool = dma_pool_create("prp list page", dev->dev, - PAGE_SIZE, PAGE_SIZE, 0); + NVME_CTRL_PAGE_SIZE, + NVME_CTRL_PAGE_SIZE, 0); if (!dev->prp_page_pool) return -ENOMEM; @@ -3152,7 +3153,8 @@ static const struct pci_device_id nvme_id_table[] = { { PCI_VDEVICE(INTEL, 0xf1a5), /* Intel 600P/P3100 */ .driver_data = NVME_QUIRK_NO_DEEPEST_PS | NVME_QUIRK_MEDIUM_PRIO_SQ | - NVME_QUIRK_NO_TEMP_THRESH_CHANGE }, + NVME_QUIRK_NO_TEMP_THRESH_CHANGE | + NVME_QUIRK_DISABLE_WRITE_ZEROES, }, { PCI_VDEVICE(INTEL, 0xf1a6), /* Intel 760p/Pro 7600p */ .driver_data = NVME_QUIRK_IGNORE_DEV_SUBNQN, }, { PCI_VDEVICE(INTEL, 0x5845), /* Qemu emulated controller */ diff --git a/drivers/nvme/host/rdma.c b/drivers/nvme/host/rdma.c index 44c76ffbb264cd..9e378d0a0c01c1 100644 --- a/drivers/nvme/host/rdma.c +++ b/drivers/nvme/host/rdma.c @@ -122,6 +122,7 @@ struct nvme_rdma_ctrl { struct sockaddr_storage src_addr; struct nvme_ctrl ctrl; + struct mutex teardown_lock; bool use_inline_data; u32 io_queues[HCTX_MAX_TYPES]; }; @@ -834,6 +835,7 @@ static void nvme_rdma_destroy_admin_queue(struct nvme_rdma_ctrl *ctrl, blk_mq_free_tag_set(ctrl->ctrl.admin_tagset); } if (ctrl->async_event_sqe.data) { + cancel_work_sync(&ctrl->ctrl.async_event_work); nvme_rdma_free_qe(ctrl->device->dev, &ctrl->async_event_sqe, sizeof(struct nvme_command), DMA_TO_DEVICE); ctrl->async_event_sqe.data = NULL; @@ -975,7 +977,15 @@ static int nvme_rdma_configure_io_queues(struct nvme_rdma_ctrl *ctrl, bool new) if (!new) { nvme_start_queues(&ctrl->ctrl); - nvme_wait_freeze(&ctrl->ctrl); + if (!nvme_wait_freeze_timeout(&ctrl->ctrl, NVME_IO_TIMEOUT)) { + /* + * If we timed out waiting for freeze we are likely to + * be stuck. Fail the controller initialization just + * to be safe. + */ + ret = -ENODEV; + goto out_wait_freeze_timed_out; + } blk_mq_update_nr_hw_queues(ctrl->ctrl.tagset, ctrl->ctrl.queue_count - 1); nvme_unfreeze(&ctrl->ctrl); @@ -983,6 +993,9 @@ static int nvme_rdma_configure_io_queues(struct nvme_rdma_ctrl *ctrl, bool new) return 0; +out_wait_freeze_timed_out: + nvme_stop_queues(&ctrl->ctrl); + nvme_rdma_stop_io_queues(ctrl); out_cleanup_connect_q: if (new) blk_cleanup_queue(ctrl->ctrl.connect_q); @@ -997,6 +1010,7 @@ out_free_io_queues: static void nvme_rdma_teardown_admin_queue(struct nvme_rdma_ctrl *ctrl, bool remove) { + mutex_lock(&ctrl->teardown_lock); blk_mq_quiesce_queue(ctrl->ctrl.admin_q); nvme_rdma_stop_queue(&ctrl->queues[0]); if (ctrl->ctrl.admin_tagset) { @@ -1007,11 +1021,13 @@ static void nvme_rdma_teardown_admin_queue(struct nvme_rdma_ctrl *ctrl, if (remove) blk_mq_unquiesce_queue(ctrl->ctrl.admin_q); nvme_rdma_destroy_admin_queue(ctrl, remove); + mutex_unlock(&ctrl->teardown_lock); } static void nvme_rdma_teardown_io_queues(struct nvme_rdma_ctrl *ctrl, bool remove) { + mutex_lock(&ctrl->teardown_lock); if (ctrl->ctrl.queue_count > 1) { nvme_start_freeze(&ctrl->ctrl); nvme_stop_queues(&ctrl->ctrl); @@ -1025,6 +1041,7 @@ static void nvme_rdma_teardown_io_queues(struct nvme_rdma_ctrl *ctrl, nvme_start_queues(&ctrl->ctrl); nvme_rdma_destroy_io_queues(ctrl, remove); } + mutex_unlock(&ctrl->teardown_lock); } static void nvme_rdma_free_ctrl(struct nvme_ctrl *nctrl) @@ -1180,6 +1197,7 @@ static void nvme_rdma_error_recovery(struct nvme_rdma_ctrl *ctrl) if (!nvme_change_ctrl_state(&ctrl->ctrl, NVME_CTRL_RESETTING)) return; + dev_warn(ctrl->ctrl.device, "starting error recovery\n"); queue_work(nvme_reset_wq, &ctrl->err_work); } @@ -1189,7 +1207,7 @@ static void nvme_rdma_end_request(struct nvme_rdma_request *req) if (!refcount_dec_and_test(&req->ref)) return; - if (!nvme_end_request(rq, req->status, req->result)) + if (!nvme_try_complete_req(rq, req->status, req->result)) nvme_rdma_complete_rq(rq); } @@ -1915,7 +1933,7 @@ static int nvme_rdma_cm_handler(struct rdma_cm_id *cm_id, case RDMA_CM_EVENT_CONNECT_ERROR: case RDMA_CM_EVENT_UNREACHABLE: nvme_rdma_destroy_queue_ib(queue); - /* fall through */ + fallthrough; case RDMA_CM_EVENT_ADDR_ERROR: dev_dbg(queue->ctrl->ctrl.device, "CM error event %d\n", ev->event); @@ -1946,6 +1964,22 @@ static int nvme_rdma_cm_handler(struct rdma_cm_id *cm_id, return 0; } +static void nvme_rdma_complete_timed_out(struct request *rq) +{ + struct nvme_rdma_request *req = blk_mq_rq_to_pdu(rq); + struct nvme_rdma_queue *queue = req->queue; + struct nvme_rdma_ctrl *ctrl = queue->ctrl; + + /* fence other contexts that may complete the command */ + mutex_lock(&ctrl->teardown_lock); + nvme_rdma_stop_queue(queue); + if (!blk_mq_request_completed(rq)) { + nvme_req(rq)->status = NVME_SC_HOST_ABORTED_CMD; + blk_mq_complete_request(rq); + } + mutex_unlock(&ctrl->teardown_lock); +} + static enum blk_eh_timer_return nvme_rdma_timeout(struct request *rq, bool reserved) { @@ -1956,29 +1990,29 @@ nvme_rdma_timeout(struct request *rq, bool reserved) dev_warn(ctrl->ctrl.device, "I/O %d QID %d timeout\n", rq->tag, nvme_rdma_queue_idx(queue)); - /* - * Restart the timer if a controller reset is already scheduled. Any - * timed out commands would be handled before entering the connecting - * state. - */ - if (ctrl->ctrl.state == NVME_CTRL_RESETTING) - return BLK_EH_RESET_TIMER; - if (ctrl->ctrl.state != NVME_CTRL_LIVE) { /* - * Teardown immediately if controller times out while starting - * or we are already started error recovery. all outstanding - * requests are completed on shutdown, so we return BLK_EH_DONE. + * If we are resetting, connecting or deleting we should + * complete immediately because we may block controller + * teardown or setup sequence + * - ctrl disable/shutdown fabrics requests + * - connect requests + * - initialization admin requests + * - I/O requests that entered after unquiescing and + * the controller stopped responding + * + * All other requests should be cancelled by the error + * recovery work, so it's fine that we fail it here. */ - flush_work(&ctrl->err_work); - nvme_rdma_teardown_io_queues(ctrl, false); - nvme_rdma_teardown_admin_queue(ctrl, false); + nvme_rdma_complete_timed_out(rq); return BLK_EH_DONE; } - dev_warn(ctrl->ctrl.device, "starting error recovery\n"); + /* + * LIVE state should trigger the normal error recovery which will + * handle completing this request. + */ nvme_rdma_error_recovery(ctrl); - return BLK_EH_RESET_TIMER; } @@ -2278,6 +2312,7 @@ static struct nvme_ctrl *nvme_rdma_create_ctrl(struct device *dev, return ERR_PTR(-ENOMEM); ctrl->ctrl.opts = opts; INIT_LIST_HEAD(&ctrl->list); + mutex_init(&ctrl->teardown_lock); if (!(opts->mask & NVMF_OPT_TRSVCID)) { opts->trsvcid = diff --git a/drivers/nvme/host/tcp.c b/drivers/nvme/host/tcp.c index 62fbaecdc960c3..d6a3e148735428 100644 --- a/drivers/nvme/host/tcp.c +++ b/drivers/nvme/host/tcp.c @@ -124,6 +124,7 @@ struct nvme_tcp_ctrl { struct sockaddr_storage src_addr; struct nvme_ctrl ctrl; + struct mutex teardown_lock; struct work_struct err_work; struct delayed_work connect_work; struct nvme_tcp_request async_req; @@ -464,6 +465,7 @@ static void nvme_tcp_error_recovery(struct nvme_ctrl *ctrl) if (!nvme_change_ctrl_state(ctrl, NVME_CTRL_RESETTING)) return; + dev_warn(ctrl->device, "starting error recovery\n"); queue_work(nvme_reset_wq, &to_tcp_ctrl(ctrl)->err_work); } @@ -481,7 +483,7 @@ static int nvme_tcp_process_nvme_cqe(struct nvme_tcp_queue *queue, return -EINVAL; } - if (!nvme_end_request(rq, cqe->status, cqe->result)) + if (!nvme_try_complete_req(rq, cqe->status, cqe->result)) nvme_complete_rq(rq); queue->nr_cqe++; @@ -672,7 +674,7 @@ static inline void nvme_tcp_end_request(struct request *rq, u16 status) { union nvme_result res = {}; - if (!nvme_end_request(rq, cpu_to_le16(status << 1), res)) + if (!nvme_try_complete_req(rq, cpu_to_le16(status << 1), res)) nvme_complete_rq(rq); } @@ -866,7 +868,6 @@ static void nvme_tcp_state_change(struct sock *sk) case TCP_LAST_ACK: case TCP_FIN_WAIT1: case TCP_FIN_WAIT2: - /* fallthrough */ nvme_tcp_error_recovery(&queue->ctrl->ctrl); break; default: @@ -912,12 +913,11 @@ static int nvme_tcp_try_send_data(struct nvme_tcp_request *req) else flags |= MSG_MORE | MSG_SENDPAGE_NOTLAST; - /* can't zcopy slab pages */ - if (unlikely(PageSlab(page))) { - ret = sock_no_sendpage(queue->sock, page, offset, len, + if (sendpage_ok(page)) { + ret = kernel_sendpage(queue->sock, page, offset, len, flags); } else { - ret = kernel_sendpage(queue->sock, page, offset, len, + ret = sock_no_sendpage(queue->sock, page, offset, len, flags); } if (ret <= 0) @@ -1527,7 +1527,6 @@ static void nvme_tcp_stop_queue(struct nvme_ctrl *nctrl, int qid) if (!test_and_clear_bit(NVME_TCP_Q_LIVE, &queue->flags)) return; - __nvme_tcp_stop_queue(queue); } @@ -1596,6 +1595,7 @@ static struct blk_mq_tag_set *nvme_tcp_alloc_tagset(struct nvme_ctrl *nctrl, static void nvme_tcp_free_admin_queue(struct nvme_ctrl *ctrl) { if (to_tcp_ctrl(ctrl)->async_req.pdu) { + cancel_work_sync(&ctrl->async_event_work); nvme_tcp_free_async_req(to_tcp_ctrl(ctrl)); to_tcp_ctrl(ctrl)->async_req.pdu = NULL; } @@ -1782,7 +1782,15 @@ static int nvme_tcp_configure_io_queues(struct nvme_ctrl *ctrl, bool new) if (!new) { nvme_start_queues(ctrl); - nvme_wait_freeze(ctrl); + if (!nvme_wait_freeze_timeout(ctrl, NVME_IO_TIMEOUT)) { + /* + * If we timed out waiting for freeze we are likely to + * be stuck. Fail the controller initialization just + * to be safe. + */ + ret = -ENODEV; + goto out_wait_freeze_timed_out; + } blk_mq_update_nr_hw_queues(ctrl->tagset, ctrl->queue_count - 1); nvme_unfreeze(ctrl); @@ -1790,6 +1798,9 @@ static int nvme_tcp_configure_io_queues(struct nvme_ctrl *ctrl, bool new) return 0; +out_wait_freeze_timed_out: + nvme_stop_queues(ctrl); + nvme_tcp_stop_io_queues(ctrl); out_cleanup_connect_q: if (new) blk_cleanup_queue(ctrl->connect_q); @@ -1875,6 +1886,7 @@ out_free_queue: static void nvme_tcp_teardown_admin_queue(struct nvme_ctrl *ctrl, bool remove) { + mutex_lock(&to_tcp_ctrl(ctrl)->teardown_lock); blk_mq_quiesce_queue(ctrl->admin_q); nvme_tcp_stop_queue(ctrl, 0); if (ctrl->admin_tagset) { @@ -1885,13 +1897,16 @@ static void nvme_tcp_teardown_admin_queue(struct nvme_ctrl *ctrl, if (remove) blk_mq_unquiesce_queue(ctrl->admin_q); nvme_tcp_destroy_admin_queue(ctrl, remove); + mutex_unlock(&to_tcp_ctrl(ctrl)->teardown_lock); } static void nvme_tcp_teardown_io_queues(struct nvme_ctrl *ctrl, bool remove) { + mutex_lock(&to_tcp_ctrl(ctrl)->teardown_lock); if (ctrl->queue_count <= 1) - return; + goto out; + blk_mq_quiesce_queue(ctrl->admin_q); nvme_start_freeze(ctrl); nvme_stop_queues(ctrl); nvme_tcp_stop_io_queues(ctrl); @@ -1903,6 +1918,8 @@ static void nvme_tcp_teardown_io_queues(struct nvme_ctrl *ctrl, if (remove) nvme_start_queues(ctrl); nvme_tcp_destroy_io_queues(ctrl, remove); +out: + mutex_unlock(&to_tcp_ctrl(ctrl)->teardown_lock); } static void nvme_tcp_reconnect_or_remove(struct nvme_ctrl *ctrl) @@ -2149,40 +2166,55 @@ static void nvme_tcp_submit_async_event(struct nvme_ctrl *arg) nvme_tcp_queue_request(&ctrl->async_req, true, true); } +static void nvme_tcp_complete_timed_out(struct request *rq) +{ + struct nvme_tcp_request *req = blk_mq_rq_to_pdu(rq); + struct nvme_ctrl *ctrl = &req->queue->ctrl->ctrl; + + /* fence other contexts that may complete the command */ + mutex_lock(&to_tcp_ctrl(ctrl)->teardown_lock); + nvme_tcp_stop_queue(ctrl, nvme_tcp_queue_id(req->queue)); + if (!blk_mq_request_completed(rq)) { + nvme_req(rq)->status = NVME_SC_HOST_ABORTED_CMD; + blk_mq_complete_request(rq); + } + mutex_unlock(&to_tcp_ctrl(ctrl)->teardown_lock); +} + static enum blk_eh_timer_return nvme_tcp_timeout(struct request *rq, bool reserved) { struct nvme_tcp_request *req = blk_mq_rq_to_pdu(rq); - struct nvme_tcp_ctrl *ctrl = req->queue->ctrl; + struct nvme_ctrl *ctrl = &req->queue->ctrl->ctrl; struct nvme_tcp_cmd_pdu *pdu = req->pdu; - /* - * Restart the timer if a controller reset is already scheduled. Any - * timed out commands would be handled before entering the connecting - * state. - */ - if (ctrl->ctrl.state == NVME_CTRL_RESETTING) - return BLK_EH_RESET_TIMER; - - dev_warn(ctrl->ctrl.device, + dev_warn(ctrl->device, "queue %d: timeout request %#x type %d\n", nvme_tcp_queue_id(req->queue), rq->tag, pdu->hdr.type); - if (ctrl->ctrl.state != NVME_CTRL_LIVE) { + if (ctrl->state != NVME_CTRL_LIVE) { /* - * Teardown immediately if controller times out while starting - * or we are already started error recovery. all outstanding - * requests are completed on shutdown, so we return BLK_EH_DONE. + * If we are resetting, connecting or deleting we should + * complete immediately because we may block controller + * teardown or setup sequence + * - ctrl disable/shutdown fabrics requests + * - connect requests + * - initialization admin requests + * - I/O requests that entered after unquiescing and + * the controller stopped responding + * + * All other requests should be cancelled by the error + * recovery work, so it's fine that we fail it here. */ - flush_work(&ctrl->err_work); - nvme_tcp_teardown_io_queues(&ctrl->ctrl, false); - nvme_tcp_teardown_admin_queue(&ctrl->ctrl, false); + nvme_tcp_complete_timed_out(rq); return BLK_EH_DONE; } - dev_warn(ctrl->ctrl.device, "starting error recovery\n"); - nvme_tcp_error_recovery(&ctrl->ctrl); - + /* + * LIVE state should trigger the normal error recovery which will + * handle completing this request. + */ + nvme_tcp_error_recovery(ctrl); return BLK_EH_RESET_TIMER; } @@ -2423,6 +2455,7 @@ static struct nvme_ctrl *nvme_tcp_create_ctrl(struct device *dev, nvme_tcp_reconnect_ctrl_work); INIT_WORK(&ctrl->err_work, nvme_tcp_error_recovery_work); INIT_WORK(&ctrl->ctrl.reset_work, nvme_reset_ctrl_work); + mutex_init(&ctrl->teardown_lock); if (!(opts->mask & NVMF_OPT_TRSVCID)) { opts->trsvcid = diff --git a/drivers/nvme/target/configfs.c b/drivers/nvme/target/configfs.c index 74b2b61c773bb3..37e1d7784e175c 100644 --- a/drivers/nvme/target/configfs.c +++ b/drivers/nvme/target/configfs.c @@ -1136,6 +1136,7 @@ static ssize_t nvmet_subsys_attr_model_store(struct config_item *item, up_write(&nvmet_config_sem); kfree_rcu(new_model, rcuhead); + kfree(new_model_number); return count; } diff --git a/drivers/nvme/target/core.c b/drivers/nvme/target/core.c index b92f45f5cd5b16..b7b63330b5efdf 100644 --- a/drivers/nvme/target/core.c +++ b/drivers/nvme/target/core.c @@ -73,7 +73,7 @@ inline u16 errno_to_nvme_status(struct nvmet_req *req, int errno) status = NVME_SC_ACCESS_DENIED; break; case -EIO: - /* FALLTHRU */ + fallthrough; default: req->error_loc = offsetof(struct nvme_common_command, opcode); status = NVME_SC_INTERNAL | NVME_SC_DNR; @@ -397,6 +397,9 @@ static void nvmet_keep_alive_timer(struct work_struct *work) static void nvmet_start_keep_alive_timer(struct nvmet_ctrl *ctrl) { + if (unlikely(ctrl->kato == 0)) + return; + pr_debug("ctrl %d start keep-alive timer for %d secs\n", ctrl->cntlid, ctrl->kato); @@ -406,6 +409,9 @@ static void nvmet_start_keep_alive_timer(struct nvmet_ctrl *ctrl) static void nvmet_stop_keep_alive_timer(struct nvmet_ctrl *ctrl) { + if (unlikely(ctrl->kato == 0)) + return; + pr_debug("ctrl %d stop keep-alive\n", ctrl->cntlid); cancel_delayed_work_sync(&ctrl->ka_work); diff --git a/drivers/nvme/target/fc.c b/drivers/nvme/target/fc.c index 55bafd56166a2e..e6861cc10e7db3 100644 --- a/drivers/nvme/target/fc.c +++ b/drivers/nvme/target/fc.c @@ -2342,9 +2342,9 @@ nvmet_fc_fod_op_done(struct nvmet_fc_fcp_iod *fod) return; if (fcpreq->fcp_error || fcpreq->transferred_length != fcpreq->transfer_length) { - spin_lock(&fod->flock); + spin_lock_irqsave(&fod->flock, flags); fod->abort = true; - spin_unlock(&fod->flock); + spin_unlock_irqrestore(&fod->flock, flags); nvmet_req_complete(&fod->req, NVME_SC_INTERNAL); return; diff --git a/drivers/nvme/target/fcloop.c b/drivers/nvme/target/fcloop.c index c97e60b71bbc76..3da067a8311e52 100644 --- a/drivers/nvme/target/fcloop.c +++ b/drivers/nvme/target/fcloop.c @@ -812,7 +812,7 @@ fcloop_fcp_op(struct nvmet_fc_target_port *tgtport, break; /* Fall-Thru to RSP handling */ - /* FALLTHRU */ + fallthrough; case NVMET_FCOP_RSP: if (fcpreq) { diff --git a/drivers/nvme/target/io-cmd-bdev.c b/drivers/nvme/target/io-cmd-bdev.c index 3dd6f566a240f1..125dde3f410ee7 100644 --- a/drivers/nvme/target/io-cmd-bdev.c +++ b/drivers/nvme/target/io-cmd-bdev.c @@ -139,7 +139,6 @@ static u16 blk_to_nvme_status(struct nvmet_req *req, blk_status_t blk_sts) req->error_loc = offsetof(struct nvme_rw_command, nsid); break; case BLK_STS_IOERR: - /* fallthru */ default: status = NVME_SC_INTERNAL | NVME_SC_DNR; req->error_loc = offsetof(struct nvme_common_command, opcode); diff --git a/drivers/nvme/target/loop.c b/drivers/nvme/target/loop.c index 4884ef1e46a281..0d6008cf66a2ad 100644 --- a/drivers/nvme/target/loop.c +++ b/drivers/nvme/target/loop.c @@ -115,7 +115,7 @@ static void nvme_loop_queue_response(struct nvmet_req *req) return; } - if (!nvme_end_request(rq, cqe->status, cqe->result)) + if (!nvme_try_complete_req(rq, cqe->status, cqe->result)) nvme_loop_complete_rq(rq); } } diff --git a/drivers/nvme/target/passthru.c b/drivers/nvme/target/passthru.c index 89d91dc999a6db..dacfa7435d0b2f 100644 --- a/drivers/nvme/target/passthru.c +++ b/drivers/nvme/target/passthru.c @@ -165,7 +165,7 @@ static void nvmet_passthru_execute_cmd_work(struct work_struct *w) req->cqe->result = nvme_req(rq)->result; nvmet_req_complete(req, status); - blk_put_request(rq); + blk_mq_free_request(rq); } static void nvmet_passthru_req_done(struct request *rq, @@ -175,7 +175,7 @@ static void nvmet_passthru_req_done(struct request *rq, req->cqe->result = nvme_req(rq)->result; nvmet_req_complete(req, nvme_req(rq)->status); - blk_put_request(rq); + blk_mq_free_request(rq); } static int nvmet_passthru_map_sg(struct nvmet_req *req, struct request *rq) @@ -230,7 +230,7 @@ static void nvmet_passthru_execute_cmd(struct nvmet_req *req) if (unlikely(!ns)) { pr_err("failed to get passthru ns nsid:%u\n", nsid); status = NVME_SC_INVALID_NS | NVME_SC_DNR; - goto fail_out; + goto out; } q = ns->queue; @@ -238,16 +238,15 @@ static void nvmet_passthru_execute_cmd(struct nvmet_req *req) rq = nvme_alloc_request(q, req->cmd, BLK_MQ_REQ_NOWAIT, NVME_QID_ANY); if (IS_ERR(rq)) { - rq = NULL; status = NVME_SC_INTERNAL; - goto fail_out; + goto out_put_ns; } if (req->sg_cnt) { ret = nvmet_passthru_map_sg(req, rq); if (unlikely(ret)) { status = NVME_SC_INTERNAL; - goto fail_out; + goto out_put_req; } } @@ -274,11 +273,13 @@ static void nvmet_passthru_execute_cmd(struct nvmet_req *req) return; -fail_out: +out_put_req: + blk_mq_free_request(rq); +out_put_ns: if (ns) nvme_put_ns(ns); +out: nvmet_req_complete(req, status); - blk_put_request(rq); } /* @@ -326,6 +327,10 @@ static u16 nvmet_setup_passthru_command(struct nvmet_req *req) u16 nvmet_parse_passthru_io_cmd(struct nvmet_req *req) { + /* Reject any commands with non-sgl flags set (ie. fused commands) */ + if (req->cmd->common.flags & ~NVME_CMD_SGL_ALL) + return NVME_SC_INVALID_FIELD; + switch (req->cmd->common.opcode) { case nvme_cmd_resv_register: case nvme_cmd_resv_report: @@ -396,6 +401,10 @@ static u16 nvmet_passthru_get_set_features(struct nvmet_req *req) u16 nvmet_parse_passthru_admin_cmd(struct nvmet_req *req) { + /* Reject any commands with non-sgl flags set (ie. fused commands) */ + if (req->cmd->common.flags & ~NVME_CMD_SGL_ALL) + return NVME_SC_INVALID_FIELD; + /* * Passthru all vendor specific commands */ @@ -508,6 +517,7 @@ int nvmet_passthru_ctrl_enable(struct nvmet_subsys *subsys) subsys->ver = NVME_VS(1, 2, 1); } + __module_get(subsys->passthru_ctrl->ops->module); mutex_unlock(&subsys->lock); return 0; @@ -522,6 +532,7 @@ static void __nvmet_passthru_ctrl_disable(struct nvmet_subsys *subsys) { if (subsys->passthru_ctrl) { xa_erase(&passthru_subsystems, subsys->passthru_ctrl->cntlid); + module_put(subsys->passthru_ctrl->ops->module); nvme_put_ctrl(subsys->passthru_ctrl); } subsys->passthru_ctrl = NULL; diff --git a/drivers/nvme/target/rdma.c b/drivers/nvme/target/rdma.c index 3ccb59260b4abb..ae6620489457d6 100644 --- a/drivers/nvme/target/rdma.c +++ b/drivers/nvme/target/rdma.c @@ -1758,7 +1758,7 @@ static int nvmet_rdma_cm_handler(struct rdma_cm_id *cm_id, schedule_delayed_work(&port->repair_work, 0); break; } - /* FALLTHROUGH */ + fallthrough; case RDMA_CM_EVENT_DISCONNECTED: case RDMA_CM_EVENT_TIMEWAIT_EXIT: nvmet_rdma_queue_disconnect(queue); @@ -1769,7 +1769,7 @@ static int nvmet_rdma_cm_handler(struct rdma_cm_id *cm_id, case RDMA_CM_EVENT_REJECTED: pr_debug("Connection rejected: %s\n", rdma_reject_msg(cm_id, event->status)); - /* FALLTHROUGH */ + fallthrough; case RDMA_CM_EVENT_UNREACHABLE: case RDMA_CM_EVENT_CONNECT_ERROR: nvmet_rdma_queue_connect_fail(cm_id, queue); diff --git a/drivers/nvme/target/tcp.c b/drivers/nvme/target/tcp.c index 9eda91162fe45d..8e0d766d272248 100644 --- a/drivers/nvme/target/tcp.c +++ b/drivers/nvme/target/tcp.c @@ -160,6 +160,11 @@ static void nvmet_tcp_finish_cmd(struct nvmet_tcp_cmd *cmd); static inline u16 nvmet_tcp_cmd_tag(struct nvmet_tcp_queue *queue, struct nvmet_tcp_cmd *cmd) { + if (unlikely(!queue->nr_cmds)) { + /* We didn't allocate cmds yet, send 0xffff */ + return USHRT_MAX; + } + return cmd - queue->cmds; } @@ -866,7 +871,10 @@ static int nvmet_tcp_handle_h2c_data_pdu(struct nvmet_tcp_queue *queue) struct nvme_tcp_data_pdu *data = &queue->pdu.data; struct nvmet_tcp_cmd *cmd; - cmd = &queue->cmds[data->ttag]; + if (likely(queue->nr_cmds)) + cmd = &queue->cmds[data->ttag]; + else + cmd = &queue->connect; if (le32_to_cpu(data->data_offset) != cmd->rbytes_done) { pr_err("ttag %u unexpected data offset %u (expected %u)\n", diff --git a/drivers/opp/core.c b/drivers/opp/core.c index 9668ea04cc808c..3ca7543142bf36 100644 --- a/drivers/opp/core.c +++ b/drivers/opp/core.c @@ -1296,13 +1296,19 @@ void dev_pm_opp_remove(struct device *dev, unsigned long freq) } EXPORT_SYMBOL_GPL(dev_pm_opp_remove); -void _opp_remove_all_static(struct opp_table *opp_table) +bool _opp_remove_all_static(struct opp_table *opp_table) { struct dev_pm_opp *opp, *tmp; + bool ret = true; mutex_lock(&opp_table->lock); - if (!opp_table->parsed_static_opps || --opp_table->parsed_static_opps) + if (!opp_table->parsed_static_opps) { + ret = false; + goto unlock; + } + + if (--opp_table->parsed_static_opps) goto unlock; list_for_each_entry_safe(opp, tmp, &opp_table->opp_list, node) { @@ -1312,6 +1318,8 @@ void _opp_remove_all_static(struct opp_table *opp_table) unlock: mutex_unlock(&opp_table->lock); + + return ret; } /** @@ -2414,13 +2422,15 @@ void _dev_pm_opp_find_and_remove_table(struct device *dev) return; } - _opp_remove_all_static(opp_table); + /* + * Drop the extra reference only if the OPP table was successfully added + * with dev_pm_opp_of_add_table() earlier. + **/ + if (_opp_remove_all_static(opp_table)) + dev_pm_opp_put_opp_table(opp_table); /* Drop reference taken by _find_opp_table() */ dev_pm_opp_put_opp_table(opp_table); - - /* Drop reference taken while the OPP table was added */ - dev_pm_opp_put_opp_table(opp_table); } /** diff --git a/drivers/opp/opp.h b/drivers/opp/opp.h index e51646ff279eb8..c3fcd571e446de 100644 --- a/drivers/opp/opp.h +++ b/drivers/opp/opp.h @@ -212,7 +212,7 @@ struct opp_table { /* Routines internal to opp core */ void dev_pm_opp_get(struct dev_pm_opp *opp); -void _opp_remove_all_static(struct opp_table *opp_table); +bool _opp_remove_all_static(struct opp_table *opp_table); void _get_opp_table_kref(struct opp_table *opp_table); int _get_opp_count(struct opp_table *opp_table); struct opp_table *_find_opp_table(struct device *dev); diff --git a/drivers/parport/ieee1284.c b/drivers/parport/ieee1284.c index f28d6a3c5a684a..4547ac44c8d48d 100644 --- a/drivers/parport/ieee1284.c +++ b/drivers/parport/ieee1284.c @@ -260,7 +260,7 @@ static void parport_ieee1284_terminate (struct parport *port) port->ieee1284.phase = IEEE1284_PH_FWD_IDLE; } - /* fall through */ + fallthrough; default: /* Terminate from all other modes. */ @@ -598,7 +598,7 @@ ssize_t parport_write (struct parport *port, const void *buffer, size_t len) case IEEE1284_MODE_NIBBLE: case IEEE1284_MODE_BYTE: parport_negotiate (port, IEEE1284_MODE_COMPAT); - /* fall through */ + fallthrough; case IEEE1284_MODE_COMPAT: pr_debug("%s: Using compatibility mode\n", port->name); fn = port->ops->compat_write_data; @@ -702,7 +702,7 @@ ssize_t parport_read (struct parport *port, void *buffer, size_t len) if (parport_negotiate (port, IEEE1284_MODE_NIBBLE)) { return -EIO; } - /* fall through - to NIBBLE */ + fallthrough; /* to NIBBLE */ case IEEE1284_MODE_NIBBLE: pr_debug("%s: Using nibble mode\n", port->name); fn = port->ops->nibble_read_data; diff --git a/drivers/parport/parport_pc.c b/drivers/parport/parport_pc.c index 77e37e3cb3a091..eda4ded4d5e52a 100644 --- a/drivers/parport/parport_pc.c +++ b/drivers/parport/parport_pc.c @@ -1647,7 +1647,7 @@ static int parport_ECP_supported(struct parport *pb) break; default: pr_warn("0x%lx: Unknown implementation ID\n", pb->base); - /* Fall through - Assume 1 */ + fallthrough; /* Assume 1 */ case 1: pword = 1; } diff --git a/drivers/pci/controller/dwc/pci-imx6.c b/drivers/pci/controller/dwc/pci-imx6.c index 90df28c7cb0cf0..5fef2613b223ad 100644 --- a/drivers/pci/controller/dwc/pci-imx6.c +++ b/drivers/pci/controller/dwc/pci-imx6.c @@ -439,7 +439,7 @@ static int imx6_pcie_enable_ref_clk(struct imx6_pcie *imx6_pcie) regmap_update_bits(imx6_pcie->iomuxc_gpr, IOMUXC_GPR12, IMX6SX_GPR12_PCIE_TEST_POWERDOWN, 0); break; - case IMX6QP: /* FALLTHROUGH */ + case IMX6QP: case IMX6Q: /* power up core phy and enable ref clock */ regmap_update_bits(imx6_pcie->iomuxc_gpr, IOMUXC_GPR1, @@ -642,7 +642,7 @@ static void imx6_pcie_init_phy(struct imx6_pcie *imx6_pcie) regmap_update_bits(imx6_pcie->iomuxc_gpr, IOMUXC_GPR12, IMX6SX_GPR12_PCIE_RX_EQ_MASK, IMX6SX_GPR12_PCIE_RX_EQ_2); - /* FALLTHROUGH */ + fallthrough; default: regmap_update_bits(imx6_pcie->iomuxc_gpr, IOMUXC_GPR12, IMX6Q_GPR12_PCIE_CTL_2, 0 << 10); @@ -1105,7 +1105,7 @@ static int imx6_pcie_probe(struct platform_device *pdev) dev_err(dev, "pcie_aux clock source missing or invalid\n"); return PTR_ERR(imx6_pcie->pcie_aux); } - /* fall through */ + fallthrough; case IMX7D: if (dbi_base->start == IMX8MQ_PCIE2_BASE_ADDR) imx6_pcie->controller_id = 1; diff --git a/drivers/pci/controller/pci-rcar-gen2.c b/drivers/pci/controller/pci-rcar-gen2.c index c9530038ca9a53..afde4aa8f6dcbb 100644 --- a/drivers/pci/controller/pci-rcar-gen2.c +++ b/drivers/pci/controller/pci-rcar-gen2.c @@ -223,7 +223,7 @@ static void rcar_pci_setup(struct rcar_pci_priv *priv) pr_warn("unknown window size %ld - defaulting to 256M\n", window_size); window_size = SZ_256M; - /* fall-through */ + fallthrough; case SZ_256M: val |= RCAR_USBCTR_PCIAHB_WIN1_256M; break; diff --git a/drivers/pci/controller/pcie-rockchip-host.c b/drivers/pci/controller/pcie-rockchip-host.c index 0bb2fb3e8a0b72..9705059523a6e8 100644 --- a/drivers/pci/controller/pcie-rockchip-host.c +++ b/drivers/pci/controller/pcie-rockchip-host.c @@ -71,16 +71,13 @@ static void rockchip_pcie_update_txcredit_mui(struct rockchip_pcie *rockchip) static int rockchip_pcie_valid_device(struct rockchip_pcie *rockchip, struct pci_bus *bus, int dev) { - /* access only one slot on each root port */ - if (pci_is_root_bus(bus) && dev > 0) - return 0; - /* - * do not read more than one device on the bus directly attached + * Access only one slot on each root port. + * Do not read more than one device on the bus directly attached * to RC's downstream side. */ - if (pci_is_root_bus(bus->parent) && dev > 0) - return 0; + if (pci_is_root_bus(bus) || pci_is_root_bus(bus->parent)) + return dev == 0; return 1; } diff --git a/drivers/pci/hotplug/ibmphp_res.c b/drivers/pci/hotplug/ibmphp_res.c index 5c93aa14f0de21..ae9acc77d14f1d 100644 --- a/drivers/pci/hotplug/ibmphp_res.c +++ b/drivers/pci/hotplug/ibmphp_res.c @@ -1941,7 +1941,7 @@ static int __init update_bridge_ranges(struct bus_node **bus) break; case PCI_HEADER_TYPE_BRIDGE: function = 0x8; - /* fall through */ + fallthrough; case PCI_HEADER_TYPE_MULTIBRIDGE: /* We assume here that only 1 bus behind the bridge TO DO: add functionality for several: diff --git a/drivers/pci/hotplug/pciehp_ctrl.c b/drivers/pci/hotplug/pciehp_ctrl.c index 6503d15effbbd3..9f85815b4f5340 100644 --- a/drivers/pci/hotplug/pciehp_ctrl.c +++ b/drivers/pci/hotplug/pciehp_ctrl.c @@ -236,7 +236,7 @@ void pciehp_handle_presence_or_link_change(struct controller *ctrl, u32 events) switch (ctrl->state) { case BLINKINGOFF_STATE: cancel_delayed_work(&ctrl->button_work); - /* fall through */ + fallthrough; case ON_STATE: ctrl->state = POWEROFF_STATE; mutex_unlock(&ctrl->state_lock); @@ -265,7 +265,7 @@ void pciehp_handle_presence_or_link_change(struct controller *ctrl, u32 events) switch (ctrl->state) { case BLINKINGON_STATE: cancel_delayed_work(&ctrl->button_work); - /* fall through */ + fallthrough; case OFF_STATE: ctrl->state = POWERON_STATE; mutex_unlock(&ctrl->state_lock); diff --git a/drivers/pci/hotplug/shpchp_ctrl.c b/drivers/pci/hotplug/shpchp_ctrl.c index afdc52d1cae75e..65502e3f7b4fb6 100644 --- a/drivers/pci/hotplug/shpchp_ctrl.c +++ b/drivers/pci/hotplug/shpchp_ctrl.c @@ -642,7 +642,7 @@ int shpchp_sysfs_enable_slot(struct slot *p_slot) switch (p_slot->state) { case BLINKINGON_STATE: cancel_delayed_work(&p_slot->work); - /* fall through */ + fallthrough; case STATIC_STATE: p_slot->state = POWERON_STATE; mutex_unlock(&p_slot->lock); @@ -678,7 +678,7 @@ int shpchp_sysfs_disable_slot(struct slot *p_slot) switch (p_slot->state) { case BLINKINGOFF_STATE: cancel_delayed_work(&p_slot->work); - /* fall through */ + fallthrough; case STATIC_STATE: p_slot->state = POWEROFF_STATE; mutex_unlock(&p_slot->lock); diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index a458c46d7e39d1..e39c5499770ff4 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -1049,7 +1049,7 @@ static int pci_raw_set_power_state(struct pci_dev *dev, pci_power_t state) if ((pmcsr & PCI_PM_CTRL_STATE_MASK) == PCI_D3hot && !(pmcsr & PCI_PM_CTRL_NO_SOFT_RESET)) need_restore = true; - /* Fall-through - force to D0 */ + fallthrough; /* force to D0 */ default: pmcsr = 0; break; @@ -2541,7 +2541,7 @@ static pci_power_t pci_target_state(struct pci_dev *dev, bool wakeup) case PCI_D2: if (pci_no_d1d2(dev)) break; - /* else, fall through */ + fallthrough; default: target_state = state; } diff --git a/drivers/pci/proc.c b/drivers/pci/proc.c index bd2b691fa7a332..d35186b01d9838 100644 --- a/drivers/pci/proc.c +++ b/drivers/pci/proc.c @@ -231,7 +231,7 @@ static long proc_bus_pci_ioctl(struct file *file, unsigned int cmd, } /* If arch decided it can't, fall through... */ #endif /* HAVE_PCI_MMAP */ - /* fall through */ + fallthrough; default: ret = -EINVAL; break; diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index bdf9b52567e030..2a589b6d6ed85c 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -1730,7 +1730,7 @@ static void quirk_jmicron_ata(struct pci_dev *pdev) case PCI_DEVICE_ID_JMICRON_JMB366: /* Redirect IDE second PATA port to the right spot */ conf5 |= (1 << 24); - /* Fall through */ + fallthrough; case PCI_DEVICE_ID_JMICRON_JMB361: case PCI_DEVICE_ID_JMICRON_JMB363: case PCI_DEVICE_ID_JMICRON_JMB369: @@ -2224,7 +2224,7 @@ static void quirk_netmos(struct pci_dev *dev) if (dev->subsystem_vendor == PCI_VENDOR_ID_IBM && dev->subsystem_device == 0x0299) return; - /* else, fall through */ + fallthrough; case PCI_DEVICE_ID_NETMOS_9735: case PCI_DEVICE_ID_NETMOS_9745: case PCI_DEVICE_ID_NETMOS_9845: diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c index 3951e02b7dedad..2ce636937c6eaf 100644 --- a/drivers/pci/setup-bus.c +++ b/drivers/pci/setup-bus.c @@ -1253,7 +1253,7 @@ void __pci_bus_size_bridges(struct pci_bus *bus, struct list_head *realloc_head) additional_mmio_size = pci_hotplug_mmio_size; additional_mmio_pref_size = pci_hotplug_mmio_pref_size; } - /* Fall through */ + fallthrough; default: pbus_size_io(bus, realloc_head ? 0 : additional_io_size, additional_io_size, realloc_head); diff --git a/drivers/pci/xen-pcifront.c b/drivers/pci/xen-pcifront.c index fab267e359e740..c0e85be598c112 100644 --- a/drivers/pci/xen-pcifront.c +++ b/drivers/pci/xen-pcifront.c @@ -1096,7 +1096,7 @@ static void __ref pcifront_backend_changed(struct xenbus_device *xdev, case XenbusStateClosed: if (xdev->state == XenbusStateClosed) break; - /* fall through - Missed the backend's CLOSING state. */ + fallthrough; /* Missed the backend's CLOSING state */ case XenbusStateClosing: dev_warn(&xdev->dev, "backend going away!\n"); pcifront_try_disconnect(pdev); diff --git a/drivers/pcmcia/db1xxx_ss.c b/drivers/pcmcia/db1xxx_ss.c index 590e594092f25f..a7c7c7cd232698 100644 --- a/drivers/pcmcia/db1xxx_ss.c +++ b/drivers/pcmcia/db1xxx_ss.c @@ -255,10 +255,10 @@ static int db1x_pcmcia_configure(struct pcmcia_socket *skt, switch (state->Vcc) { case 50: ++v; - /* fall through */ + fallthrough; case 33: ++v; - /* fall through */ + fallthrough; case 0: break; default: @@ -269,11 +269,11 @@ static int db1x_pcmcia_configure(struct pcmcia_socket *skt, switch (state->Vpp) { case 12: ++p; - /* fall through */ + fallthrough; case 33: case 50: ++p; - /* fall through */ + fallthrough; case 0: break; default: diff --git a/drivers/perf/arm-ccn.c b/drivers/perf/arm-ccn.c index 7b7d23f2571390..a0a71c1df042ab 100644 --- a/drivers/perf/arm-ccn.c +++ b/drivers/perf/arm-ccn.c @@ -1404,7 +1404,7 @@ static int arm_ccn_init_nodes(struct arm_ccn *ccn, int region, break; case CCN_TYPE_SBAS: ccn->sbas_present = 1; - /* Fall-through */ + fallthrough; default: component = &ccn->node[id]; break; diff --git a/drivers/perf/arm_spe_pmu.c b/drivers/perf/arm_spe_pmu.c index e51ddb6d63eda3..cc00915ad6d19a 100644 --- a/drivers/perf/arm_spe_pmu.c +++ b/drivers/perf/arm_spe_pmu.c @@ -1002,7 +1002,7 @@ static void __arm_spe_pmu_dev_probe(void *info) default: dev_warn(dev, "unknown PMSIDR_EL1.Interval [%d]; assuming 8\n", fld); - /* Fallthrough */ + fallthrough; case 8: spe_pmu->min_period = 4096; } @@ -1021,7 +1021,7 @@ static void __arm_spe_pmu_dev_probe(void *info) default: dev_warn(dev, "unknown PMSIDR_EL1.CountSize [%d]; assuming 2\n", fld); - /* Fallthrough */ + fallthrough; case 2: spe_pmu->counter_sz = 12; } diff --git a/drivers/phy/qualcomm/phy-qcom-ipq806x-usb.c b/drivers/phy/qualcomm/phy-qcom-ipq806x-usb.c index 71f257b4a7f5d1..9061ece7ff6ab1 100644 --- a/drivers/phy/qualcomm/phy-qcom-ipq806x-usb.c +++ b/drivers/phy/qualcomm/phy-qcom-ipq806x-usb.c @@ -505,9 +505,9 @@ static int qcom_ipq806x_usb_phy_probe(struct platform_device *pdev) size = resource_size(res); phy_dwc3->base = devm_ioremap(phy_dwc3->dev, res->start, size); - if (IS_ERR(phy_dwc3->base)) { + if (!phy_dwc3->base) { dev_err(phy_dwc3->dev, "failed to map reg\n"); - return PTR_ERR(phy_dwc3->base); + return -ENOMEM; } phy_dwc3->ref_clk = devm_clk_get(phy_dwc3->dev, "ref"); @@ -557,7 +557,6 @@ static struct platform_driver qcom_ipq806x_usb_phy_driver = { .probe = qcom_ipq806x_usb_phy_probe, .driver = { .name = "qcom-ipq806x-usb-phy", - .owner = THIS_MODULE, .of_match_table = qcom_ipq806x_usb_phy_table, }, }; diff --git a/drivers/phy/qualcomm/phy-qcom-qmp.c b/drivers/phy/qualcomm/phy-qcom-qmp.c index 562053ce945553..6e6f992a952404 100644 --- a/drivers/phy/qualcomm/phy-qcom-qmp.c +++ b/drivers/phy/qualcomm/phy-qcom-qmp.c @@ -604,8 +604,8 @@ static const struct qmp_phy_init_tbl ipq8074_pcie_serdes_tbl[] = { QMP_PHY_INIT_CFG(QSERDES_COM_BG_TRIM, 0xf), QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP_EN, 0x1), QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE_MAP, 0x0), - QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE_TIMER1, 0x1f), - QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE_TIMER2, 0x3f), + QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE_TIMER1, 0xff), + QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE_TIMER2, 0x1f), QMP_PHY_INIT_CFG(QSERDES_COM_CMN_CONFIG, 0x6), QMP_PHY_INIT_CFG(QSERDES_COM_PLL_IVCO, 0xf), QMP_PHY_INIT_CFG(QSERDES_COM_HSCLK_SEL, 0x0), @@ -631,7 +631,6 @@ static const struct qmp_phy_init_tbl ipq8074_pcie_serdes_tbl[] = { QMP_PHY_INIT_CFG(QSERDES_COM_INTEGLOOP_GAIN1_MODE0, 0x0), QMP_PHY_INIT_CFG(QSERDES_COM_INTEGLOOP_GAIN0_MODE0, 0x80), QMP_PHY_INIT_CFG(QSERDES_COM_BIAS_EN_CTRL_BY_PSM, 0x1), - QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE_CTRL, 0xa), QMP_PHY_INIT_CFG(QSERDES_COM_SSC_EN_CENTER, 0x1), QMP_PHY_INIT_CFG(QSERDES_COM_SSC_PER1, 0x31), QMP_PHY_INIT_CFG(QSERDES_COM_SSC_PER2, 0x1), @@ -640,7 +639,6 @@ static const struct qmp_phy_init_tbl ipq8074_pcie_serdes_tbl[] = { QMP_PHY_INIT_CFG(QSERDES_COM_SSC_STEP_SIZE1, 0x2f), QMP_PHY_INIT_CFG(QSERDES_COM_SSC_STEP_SIZE2, 0x19), QMP_PHY_INIT_CFG(QSERDES_COM_CLK_EP_DIV, 0x19), - QMP_PHY_INIT_CFG(QSERDES_RX_SIGDET_CNTRL, 0x7), }; static const struct qmp_phy_init_tbl ipq8074_pcie_tx_tbl[] = { @@ -648,6 +646,8 @@ static const struct qmp_phy_init_tbl ipq8074_pcie_tx_tbl[] = { QMP_PHY_INIT_CFG(QSERDES_TX_LANE_MODE, 0x6), QMP_PHY_INIT_CFG(QSERDES_TX_RES_CODE_LANE_OFFSET, 0x2), QMP_PHY_INIT_CFG(QSERDES_TX_RCV_DETECT_LVL_2, 0x12), + QMP_PHY_INIT_CFG(QSERDES_TX_EMP_POST1_LVL, 0x36), + QMP_PHY_INIT_CFG(QSERDES_TX_SLEW_CNTL, 0x0a), }; static const struct qmp_phy_init_tbl ipq8074_pcie_rx_tbl[] = { @@ -658,7 +658,6 @@ static const struct qmp_phy_init_tbl ipq8074_pcie_rx_tbl[] = { QMP_PHY_INIT_CFG(QSERDES_RX_RX_EQU_ADAPTOR_CNTRL4, 0xdb), QMP_PHY_INIT_CFG(QSERDES_RX_UCDR_SO_SATURATION_AND_ENABLE, 0x4b), QMP_PHY_INIT_CFG(QSERDES_RX_UCDR_SO_GAIN, 0x4), - QMP_PHY_INIT_CFG(QSERDES_RX_UCDR_SO_GAIN_HALF, 0x4), }; static const struct qmp_phy_init_tbl ipq8074_pcie_pcs_tbl[] = { @@ -2046,6 +2045,9 @@ static const struct qmp_phy_cfg msm8996_usb3phy_cfg = { .pwrdn_ctrl = SW_PWRDN, }; +static const char * const ipq8074_pciephy_clk_l[] = { + "aux", "cfg_ahb", +}; /* list of resets */ static const char * const ipq8074_pciephy_reset_l[] = { "phy", "common", @@ -2063,8 +2065,8 @@ static const struct qmp_phy_cfg ipq8074_pciephy_cfg = { .rx_tbl_num = ARRAY_SIZE(ipq8074_pcie_rx_tbl), .pcs_tbl = ipq8074_pcie_pcs_tbl, .pcs_tbl_num = ARRAY_SIZE(ipq8074_pcie_pcs_tbl), - .clk_list = NULL, - .num_clks = 0, + .clk_list = ipq8074_pciephy_clk_l, + .num_clks = ARRAY_SIZE(ipq8074_pciephy_clk_l), .reset_list = ipq8074_pciephy_reset_l, .num_resets = ARRAY_SIZE(ipq8074_pciephy_reset_l), .vreg_list = NULL, diff --git a/drivers/phy/qualcomm/phy-qcom-qmp.h b/drivers/phy/qualcomm/phy-qcom-qmp.h index 4277f592684b6a..904b80ab90090d 100644 --- a/drivers/phy/qualcomm/phy-qcom-qmp.h +++ b/drivers/phy/qualcomm/phy-qcom-qmp.h @@ -77,6 +77,8 @@ #define QSERDES_COM_CORECLK_DIV_MODE1 0x1bc /* Only for QMP V2 PHY - TX registers */ +#define QSERDES_TX_EMP_POST1_LVL 0x018 +#define QSERDES_TX_SLEW_CNTL 0x040 #define QSERDES_TX_RES_CODE_LANE_OFFSET 0x054 #define QSERDES_TX_DEBUG_BUS_SEL 0x064 #define QSERDES_TX_HIGHZ_TRANSCEIVEREN_BIAS_DRVR_EN 0x068 diff --git a/drivers/phy/qualcomm/phy-qcom-usb-hs.c b/drivers/phy/qualcomm/phy-qcom-usb-hs.c index 61054272a7c8be..327df1a99f7732 100644 --- a/drivers/phy/qualcomm/phy-qcom-usb-hs.c +++ b/drivers/phy/qualcomm/phy-qcom-usb-hs.c @@ -53,7 +53,7 @@ static int qcom_usb_hs_phy_set_mode(struct phy *phy, case PHY_MODE_USB_OTG: case PHY_MODE_USB_HOST: val |= ULPI_INT_IDGRD; - /* fall through */ + fallthrough; case PHY_MODE_USB_DEVICE: val |= ULPI_INT_SESS_VALID; default: diff --git a/drivers/phy/rockchip/phy-rockchip-inno-usb2.c b/drivers/phy/rockchip/phy-rockchip-inno-usb2.c index a84e9f027fc469..46ebdb1460a3de 100644 --- a/drivers/phy/rockchip/phy-rockchip-inno-usb2.c +++ b/drivers/phy/rockchip/phy-rockchip-inno-usb2.c @@ -546,7 +546,7 @@ static void rockchip_usb2phy_otg_sm_work(struct work_struct *work) rport->state = OTG_STATE_B_IDLE; if (!vbus_attach) rockchip_usb2phy_power_off(rport->phy); - /* fall through */ + fallthrough; case OTG_STATE_B_IDLE: if (extcon_get_state(rphy->edev, EXTCON_USB_HOST) > 0) { dev_dbg(&rport->phy->dev, "usb otg host connect\n"); @@ -754,11 +754,11 @@ static void rockchip_chg_detect_work(struct work_struct *work) rphy->chg_type = POWER_SUPPLY_TYPE_USB_DCP; else rphy->chg_type = POWER_SUPPLY_TYPE_USB_CDP; - /* fall through */ + fallthrough; case USB_CHG_STATE_SECONDARY_DONE: rphy->chg_state = USB_CHG_STATE_DETECTED; delay = 0; - /* fall through */ + fallthrough; case USB_CHG_STATE_DETECTED: /* put the controller in normal mode */ property_enable(base, &rphy->phy_cfg->chg_det.opmode, true); @@ -835,7 +835,7 @@ static void rockchip_usb2phy_sm_work(struct work_struct *work) dev_dbg(&rport->phy->dev, "FS/LS online\n"); break; } - /* fall through */ + fallthrough; case PHY_STATE_CONNECT: if (rport->suspended) { dev_dbg(&rport->phy->dev, "Connected\n"); diff --git a/drivers/phy/ti/phy-am654-serdes.c b/drivers/phy/ti/phy-am654-serdes.c index a174b3c3f010fa..819c49af169acb 100644 --- a/drivers/phy/ti/phy-am654-serdes.c +++ b/drivers/phy/ti/phy-am654-serdes.c @@ -725,8 +725,10 @@ static int serdes_am654_probe(struct platform_device *pdev) pm_runtime_enable(dev); phy = devm_phy_create(dev, NULL, &ops); - if (IS_ERR(phy)) - return PTR_ERR(phy); + if (IS_ERR(phy)) { + ret = PTR_ERR(phy); + goto clk_err; + } phy_set_drvdata(phy, am654_phy); phy_provider = devm_of_phy_provider_register(dev, serdes_am654_xlate); diff --git a/drivers/phy/ti/phy-omap-usb2.c b/drivers/phy/ti/phy-omap-usb2.c index cb2dd3230fa76f..507f79d14adb80 100644 --- a/drivers/phy/ti/phy-omap-usb2.c +++ b/drivers/phy/ti/phy-omap-usb2.c @@ -22,10 +22,15 @@ #include <linux/mfd/syscon.h> #include <linux/regmap.h> #include <linux/of_platform.h> +#include <linux/sys_soc.h> #define USB2PHY_ANA_CONFIG1 0x4c #define USB2PHY_DISCON_BYP_LATCH BIT(31) +#define USB2PHY_CHRG_DET 0x14 +#define USB2PHY_CHRG_DET_USE_CHG_DET_REG BIT(29) +#define USB2PHY_CHRG_DET_DIS_CHG_DET BIT(28) + /* SoC Specific USB2_OTG register definitions */ #define AM654_USB2_OTG_PD BIT(8) #define AM654_USB2_VBUS_DET_EN BIT(5) @@ -43,6 +48,7 @@ #define OMAP_USB2_HAS_START_SRP BIT(0) #define OMAP_USB2_HAS_SET_VBUS BIT(1) #define OMAP_USB2_CALIBRATE_FALSE_DISCONNECT BIT(2) +#define OMAP_USB2_DISABLE_CHRG_DET BIT(3) struct omap_usb { struct usb_phy phy; @@ -236,6 +242,13 @@ static int omap_usb_init(struct phy *x) omap_usb_writel(phy->phy_base, USB2PHY_ANA_CONFIG1, val); } + if (phy->flags & OMAP_USB2_DISABLE_CHRG_DET) { + val = omap_usb_readl(phy->phy_base, USB2PHY_CHRG_DET); + val |= USB2PHY_CHRG_DET_USE_CHG_DET_REG | + USB2PHY_CHRG_DET_DIS_CHG_DET; + omap_usb_writel(phy->phy_base, USB2PHY_CHRG_DET, val); + } + return 0; } @@ -329,6 +342,26 @@ static const struct of_device_id omap_usb2_id_table[] = { }; MODULE_DEVICE_TABLE(of, omap_usb2_id_table); +static void omap_usb2_init_errata(struct omap_usb *phy) +{ + static const struct soc_device_attribute am65x_sr10_soc_devices[] = { + { .family = "AM65X", .revision = "SR1.0" }, + { /* sentinel */ } + }; + + /* + * Errata i2075: USB2PHY: USB2PHY Charger Detect is Enabled by + * Default Without VBUS Presence. + * + * AM654x SR1.0 has a silicon bug due to which D+ is pulled high after + * POR, which could cause enumeration failure with some USB hubs. + * Disabling the USB2_PHY Charger Detect function will put D+ + * into the normal state. + */ + if (soc_device_match(am65x_sr10_soc_devices)) + phy->flags |= OMAP_USB2_DISABLE_CHRG_DET; +} + static int omap_usb2_probe(struct platform_device *pdev) { struct omap_usb *phy; @@ -366,14 +399,14 @@ static int omap_usb2_probe(struct platform_device *pdev) phy->mask = phy_data->mask; phy->power_on = phy_data->power_on; phy->power_off = phy_data->power_off; + phy->flags = phy_data->flags; - if (phy_data->flags & OMAP_USB2_CALIBRATE_FALSE_DISCONNECT) { - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - phy->phy_base = devm_ioremap_resource(&pdev->dev, res); - if (IS_ERR(phy->phy_base)) - return PTR_ERR(phy->phy_base); - phy->flags |= OMAP_USB2_CALIBRATE_FALSE_DISCONNECT; - } + omap_usb2_init_errata(phy); + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + phy->phy_base = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(phy->phy_base)) + return PTR_ERR(phy->phy_base); phy->syscon_phy_power = syscon_regmap_lookup_by_phandle(node, "syscon-phy-power"); diff --git a/drivers/pinctrl/intel/pinctrl-cherryview.c b/drivers/pinctrl/intel/pinctrl-cherryview.c index 9ef246145bde3a..06521097513a82 100644 --- a/drivers/pinctrl/intel/pinctrl-cherryview.c +++ b/drivers/pinctrl/intel/pinctrl-cherryview.c @@ -58,6 +58,7 @@ #define CHV_PADCTRL1_CFGLOCK BIT(31) #define CHV_PADCTRL1_INVRXTX_SHIFT 4 #define CHV_PADCTRL1_INVRXTX_MASK GENMASK(7, 4) +#define CHV_PADCTRL1_INVRXTX_TXDATA BIT(7) #define CHV_PADCTRL1_INVRXTX_RXDATA BIT(6) #define CHV_PADCTRL1_INVRXTX_TXENABLE BIT(5) #define CHV_PADCTRL1_ODEN BIT(3) @@ -792,11 +793,22 @@ static int chv_pinmux_set_mux(struct pinctrl_dev *pctldev, static void chv_gpio_clear_triggering(struct chv_pinctrl *pctrl, unsigned int offset) { + u32 invrxtx_mask = CHV_PADCTRL1_INVRXTX_MASK; u32 value; + /* + * One some devices the GPIO should output the inverted value from what + * device-drivers / ACPI code expects (inverted external buffer?). The + * BIOS makes this work by setting the CHV_PADCTRL1_INVRXTX_TXDATA flag, + * preserve this flag if the pin is already setup as GPIO. + */ + value = chv_readl(pctrl, offset, CHV_PADCTRL0); + if (value & CHV_PADCTRL0_GPIOEN) + invrxtx_mask &= ~CHV_PADCTRL1_INVRXTX_TXDATA; + value = chv_readl(pctrl, offset, CHV_PADCTRL1); value &= ~CHV_PADCTRL1_INTWAKECFG_MASK; - value &= ~CHV_PADCTRL1_INVRXTX_MASK; + value &= ~invrxtx_mask; chv_writel(pctrl, offset, CHV_PADCTRL1, value); } diff --git a/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c b/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c index 2f3dfb56c3fa40..35bbe59357088a 100644 --- a/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c +++ b/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c @@ -259,6 +259,10 @@ bool mtk_is_virt_gpio(struct mtk_pinctrl *hw, unsigned int gpio_n) desc = (const struct mtk_pin_desc *)&hw->soc->pins[gpio_n]; + /* if the GPIO is not supported for eint mode */ + if (desc->eint.eint_m == NO_EINT_SUPPORT) + return virt_gpio; + if (desc->funcs && !desc->funcs[desc->eint.eint_m].name) virt_gpio = true; diff --git a/drivers/pinctrl/mvebu/pinctrl-armada-xp.c b/drivers/pinctrl/mvebu/pinctrl-armada-xp.c index a767a05fa3a0d0..48e2a6c56a83b9 100644 --- a/drivers/pinctrl/mvebu/pinctrl-armada-xp.c +++ b/drivers/pinctrl/mvebu/pinctrl-armada-xp.c @@ -414,7 +414,7 @@ static struct mvebu_mpp_mode mv98dx3236_mpp_modes[] = { MPP_VAR_FUNCTION(0x1, "i2c0", "sck", V_98DX3236_PLUS)), MPP_MODE(15, MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_98DX3236_PLUS), - MPP_VAR_FUNCTION(0x4, "i2c0", "sda", V_98DX3236_PLUS)), + MPP_VAR_FUNCTION(0x1, "i2c0", "sda", V_98DX3236_PLUS)), MPP_MODE(16, MPP_VAR_FUNCTION(0x0, "gpo", NULL, V_98DX3236_PLUS), MPP_VAR_FUNCTION(0x4, "dev", "oe", V_98DX3236_PLUS)), diff --git a/drivers/pinctrl/qcom/pinctrl-sm8250.c b/drivers/pinctrl/qcom/pinctrl-sm8250.c index a660f1274b6678..826df0d637eaad 100644 --- a/drivers/pinctrl/qcom/pinctrl-sm8250.c +++ b/drivers/pinctrl/qcom/pinctrl-sm8250.c @@ -1308,7 +1308,7 @@ static const struct msm_pingroup sm8250_groups[] = { [178] = PINGROUP(178, WEST, _, _, _, _, _, _, _, _, _), [179] = PINGROUP(179, WEST, _, _, _, _, _, _, _, _, _), [180] = UFS_RESET(ufs_reset, 0xb8000), - [181] = SDC_PINGROUP(sdc2_clk, 0x7000, 14, 6), + [181] = SDC_PINGROUP(sdc2_clk, 0xb7000, 14, 6), [182] = SDC_PINGROUP(sdc2_cmd, 0xb7000, 11, 3), [183] = SDC_PINGROUP(sdc2_data, 0xb7000, 9, 0), }; diff --git a/drivers/platform/olpc/olpc-ec.c b/drivers/platform/olpc/olpc-ec.c index 190e4a6186ef7f..f64b82824db282 100644 --- a/drivers/platform/olpc/olpc-ec.c +++ b/drivers/platform/olpc/olpc-ec.c @@ -439,7 +439,9 @@ static int olpc_ec_probe(struct platform_device *pdev) &config); if (IS_ERR(ec->dcon_rdev)) { dev_err(&pdev->dev, "failed to register DCON regulator\n"); - return PTR_ERR(ec->dcon_rdev); + err = PTR_ERR(ec->dcon_rdev); + kfree(ec); + return err; } ec->dbgfs_dir = olpc_ec_setup_debugfs(); diff --git a/drivers/platform/olpc/olpc-xo175-ec.c b/drivers/platform/olpc/olpc-xo175-ec.c index 5e1d14e35f20b1..0d46706afd2da3 100644 --- a/drivers/platform/olpc/olpc-xo175-ec.c +++ b/drivers/platform/olpc/olpc-xo175-ec.c @@ -431,7 +431,7 @@ static void olpc_xo175_ec_complete(void *arg) input_sync(priv->pwrbtn); input_report_key(priv->pwrbtn, KEY_POWER, 0); input_sync(priv->pwrbtn); - /* fall through */ + fallthrough; case EVENT_POWER_PRESS_WAKE: case EVENT_TIMED_HOST_WAKE: pm_wakeup_event(priv->pwrbtn->dev.parent, diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig index 40219bba680110..0d91d136bc3b7e 100644 --- a/drivers/platform/x86/Kconfig +++ b/drivers/platform/x86/Kconfig @@ -469,6 +469,7 @@ config FUJITSU_LAPTOP depends on BACKLIGHT_CLASS_DEVICE depends on ACPI_VIDEO || ACPI_VIDEO = n select INPUT_SPARSEKMAP + select NEW_LEDS select LEDS_CLASS help This is a driver for laptops built by Fujitsu: @@ -1112,6 +1113,7 @@ config LG_LAPTOP depends on ACPI_WMI depends on INPUT select INPUT_SPARSEKMAP + select NEW_LEDS select LEDS_CLASS help This driver adds support for hotkeys as well as control of keyboard diff --git a/drivers/platform/x86/acer-wmi.c b/drivers/platform/x86/acer-wmi.c index 60c18f21588dd5..49f4b73be513f5 100644 --- a/drivers/platform/x86/acer-wmi.c +++ b/drivers/platform/x86/acer-wmi.c @@ -1001,7 +1001,7 @@ static acpi_status WMID_get_u32(u32 *value, u32 cap) *value = tmp & 0x1; return 0; } - /* fall through */ + fallthrough; default: return AE_ERROR; } @@ -1328,7 +1328,7 @@ static acpi_status get_u32(u32 *value, u32 cap) status = AMW0_get_u32(value, cap); break; } - /* fall through */ + fallthrough; case ACER_WMID: status = WMID_get_u32(value, cap); break; @@ -1371,7 +1371,7 @@ static acpi_status set_u32(u32 value, u32 cap) return AMW0_set_u32(value, cap); } - /* fall through */ + fallthrough; case ACER_WMID: return WMID_set_u32(value, cap); case ACER_WMID_v2: @@ -1381,7 +1381,7 @@ static acpi_status set_u32(u32 value, u32 cap) return wmid_v2_set_u32(value, cap); else if (wmi_has_guid(WMID_GUID2)) return WMID_set_u32(value, cap); - /* fall through */ + fallthrough; default: return AE_BAD_PARAMETER; } diff --git a/drivers/platform/x86/asus-nb-wmi.c b/drivers/platform/x86/asus-nb-wmi.c index b2e3d1e3b3e9d4..1d9fbabd02fb7d 100644 --- a/drivers/platform/x86/asus-nb-wmi.c +++ b/drivers/platform/x86/asus-nb-wmi.c @@ -115,6 +115,10 @@ static struct quirk_entry quirk_asus_vendor_backlight = { .wmi_backlight_set_devstate = true, }; +static struct quirk_entry quirk_asus_use_kbd_dock_devid = { + .use_kbd_dock_devid = true, +}; + static int dmi_matched(const struct dmi_system_id *dmi) { pr_info("Identified laptop model '%s'\n", dmi->ident); @@ -488,6 +492,34 @@ static const struct dmi_system_id asus_quirks[] = { }, .driver_data = &quirk_asus_vendor_backlight, }, + { + .callback = dmi_matched, + .ident = "Asus Transformer T100TA / T100HA / T100CHI", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), + /* Match *T100* */ + DMI_MATCH(DMI_PRODUCT_NAME, "T100"), + }, + .driver_data = &quirk_asus_use_kbd_dock_devid, + }, + { + .callback = dmi_matched, + .ident = "Asus Transformer T101HA", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), + DMI_MATCH(DMI_PRODUCT_NAME, "T101HA"), + }, + .driver_data = &quirk_asus_use_kbd_dock_devid, + }, + { + .callback = dmi_matched, + .ident = "Asus Transformer T200TA", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), + DMI_MATCH(DMI_PRODUCT_NAME, "T200TA"), + }, + .driver_data = &quirk_asus_use_kbd_dock_devid, + }, {}, }; @@ -593,33 +625,9 @@ static struct asus_wmi_driver asus_nb_wmi_driver = { .detect_quirks = asus_nb_wmi_quirks, }; -static const struct dmi_system_id asus_nb_wmi_blacklist[] __initconst = { - { - /* - * asus-nb-wm adds no functionality. The T100TA has a detachable - * USB kbd, so no hotkeys and it has no WMI rfkill; and loading - * asus-nb-wm causes the camera LED to turn and _stay_ on. - */ - .matches = { - DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), - DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "T100TA"), - }, - }, - { - /* The Asus T200TA has the same issue as the T100TA */ - .matches = { - DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), - DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "T200TA"), - }, - }, - {} /* Terminating entry */ -}; static int __init asus_nb_wmi_init(void) { - if (dmi_check_system(asus_nb_wmi_blacklist)) - return -ENODEV; - return asus_wmi_register_driver(&asus_nb_wmi_driver); } diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c index 8f4acdc06b1347..39e1a6396e08db 100644 --- a/drivers/platform/x86/asus-wmi.c +++ b/drivers/platform/x86/asus-wmi.c @@ -365,12 +365,14 @@ static int asus_wmi_input_init(struct asus_wmi *asus) if (err) goto err_free_dev; - result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_KBD_DOCK); - if (result >= 0) { - input_set_capability(asus->inputdev, EV_SW, SW_TABLET_MODE); - input_report_switch(asus->inputdev, SW_TABLET_MODE, !result); - } else if (result != -ENODEV) { - pr_err("Error checking for keyboard-dock: %d\n", result); + if (asus->driver->quirks->use_kbd_dock_devid) { + result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_KBD_DOCK); + if (result >= 0) { + input_set_capability(asus->inputdev, EV_SW, SW_TABLET_MODE); + input_report_switch(asus->inputdev, SW_TABLET_MODE, !result); + } else if (result != -ENODEV) { + pr_err("Error checking for keyboard-dock: %d\n", result); + } } err = input_register_device(asus->inputdev); @@ -442,6 +444,7 @@ static int asus_wmi_battery_add(struct power_supply *battery) */ if (strcmp(battery->desc->name, "BAT0") != 0 && strcmp(battery->desc->name, "BAT1") != 0 && + strcmp(battery->desc->name, "BATC") != 0 && strcmp(battery->desc->name, "BATT") != 0) return -ENODEV; @@ -2114,7 +2117,7 @@ static void asus_wmi_handle_event_code(int code, struct asus_wmi *asus) return; } - if (code == NOTIFY_KBD_DOCK_CHANGE) { + if (asus->driver->quirks->use_kbd_dock_devid && code == NOTIFY_KBD_DOCK_CHANGE) { result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_KBD_DOCK); if (result >= 0) { diff --git a/drivers/platform/x86/asus-wmi.h b/drivers/platform/x86/asus-wmi.h index 4f31b68642a083..1a95c172f94b0d 100644 --- a/drivers/platform/x86/asus-wmi.h +++ b/drivers/platform/x86/asus-wmi.h @@ -33,6 +33,7 @@ struct quirk_entry { bool wmi_backlight_native; bool wmi_backlight_set_devstate; bool wmi_force_als_set; + bool use_kbd_dock_devid; int wapf; /* * For machines with AMD graphic chips, it will send out WMI event diff --git a/drivers/platform/x86/dell-laptop.c b/drivers/platform/x86/dell-laptop.c index 5e9c2296931c9a..70edc5bb3a1460 100644 --- a/drivers/platform/x86/dell-laptop.c +++ b/drivers/platform/x86/dell-laptop.c @@ -1587,10 +1587,10 @@ static ssize_t kbd_led_timeout_store(struct device *dev, switch (unit) { case KBD_TIMEOUT_DAYS: value *= 24; - /* fall through */ + fallthrough; case KBD_TIMEOUT_HOURS: value *= 60; - /* fall through */ + fallthrough; case KBD_TIMEOUT_MINUTES: value *= 60; unit = KBD_TIMEOUT_SECONDS; diff --git a/drivers/platform/x86/intel-vbtn.c b/drivers/platform/x86/intel-vbtn.c index e85d8e58320c1e..f5901b0b07cd89 100644 --- a/drivers/platform/x86/intel-vbtn.c +++ b/drivers/platform/x86/intel-vbtn.c @@ -167,20 +167,54 @@ static bool intel_vbtn_has_buttons(acpi_handle handle) return ACPI_SUCCESS(status); } +/* + * There are several laptops (non 2-in-1) models out there which support VGBS, + * but simply always return 0, which we translate to SW_TABLET_MODE=1. This in + * turn causes userspace (libinput) to suppress events from the builtin + * keyboard and touchpad, making the laptop essentially unusable. + * + * Since the problem of wrongly reporting SW_TABLET_MODE=1 in combination + * with libinput, leads to a non-usable system. Where as OTOH many people will + * not even notice when SW_TABLET_MODE is not being reported, a DMI based allow + * list is used here. This list mainly matches on the chassis-type of 2-in-1s. + * + * There are also some 2-in-1s which use the intel-vbtn ACPI interface to report + * SW_TABLET_MODE with a chassis-type of 8 ("Portable") or 10 ("Notebook"), + * these are matched on a per model basis, since many normal laptops with a + * possible broken VGBS ACPI-method also use these chassis-types. + */ +static const struct dmi_system_id dmi_switches_allow_list[] = { + { + .matches = { + DMI_EXACT_MATCH(DMI_CHASSIS_TYPE, "31" /* Convertible */), + }, + }, + { + .matches = { + DMI_EXACT_MATCH(DMI_CHASSIS_TYPE, "32" /* Detachable */), + }, + }, + { + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "Venue 11 Pro 7130"), + }, + }, + { + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), + DMI_MATCH(DMI_PRODUCT_NAME, "HP Stream x360 Convertible PC 11"), + }, + }, + {} /* Array terminator */ +}; + static bool intel_vbtn_has_switches(acpi_handle handle) { - const char *chassis_type = dmi_get_system_info(DMI_CHASSIS_TYPE); unsigned long long vgbs; acpi_status status; - /* - * Some normal laptops have a VGBS method despite being non-convertible - * and their VGBS method always returns 0, causing detect_tablet_mode() - * to report SW_TABLET_MODE=1 to userspace, which causes issues. - * These laptops have a DMI chassis_type of 9 ("Laptop"), do not report - * switches on any devices with a DMI chassis_type of 9. - */ - if (chassis_type && strcmp(chassis_type, "9") == 0) + if (!dmi_check_system(dmi_switches_allow_list)) return false; status = acpi_evaluate_integer(handle, "VGBS", NULL, &vgbs); diff --git a/drivers/platform/x86/intel_pmc_core_pltdrv.c b/drivers/platform/x86/intel_pmc_core_pltdrv.c index 731281855cc8f1..73797680b895c3 100644 --- a/drivers/platform/x86/intel_pmc_core_pltdrv.c +++ b/drivers/platform/x86/intel_pmc_core_pltdrv.c @@ -20,15 +20,10 @@ static void intel_pmc_core_release(struct device *dev) { - /* Nothing to do. */ + kfree(dev); } -static struct platform_device pmc_core_device = { - .name = "intel_pmc_core", - .dev = { - .release = intel_pmc_core_release, - }, -}; +static struct platform_device *pmc_core_device; /* * intel_pmc_core_platform_ids is the list of platforms where we want to @@ -52,6 +47,8 @@ MODULE_DEVICE_TABLE(x86cpu, intel_pmc_core_platform_ids); static int __init pmc_core_platform_init(void) { + int retval; + /* Skip creating the platform device if ACPI already has a device */ if (acpi_dev_present("INT33A1", NULL, -1)) return -ENODEV; @@ -59,12 +56,23 @@ static int __init pmc_core_platform_init(void) if (!x86_match_cpu(intel_pmc_core_platform_ids)) return -ENODEV; - return platform_device_register(&pmc_core_device); + pmc_core_device = kzalloc(sizeof(*pmc_core_device), GFP_KERNEL); + if (!pmc_core_device) + return -ENOMEM; + + pmc_core_device->name = "intel_pmc_core"; + pmc_core_device->dev.release = intel_pmc_core_release; + + retval = platform_device_register(pmc_core_device); + if (retval) + kfree(pmc_core_device); + + return retval; } static void __exit pmc_core_platform_exit(void) { - platform_device_unregister(&pmc_core_device); + platform_device_unregister(pmc_core_device); } module_init(pmc_core_platform_init); diff --git a/drivers/platform/x86/mlx-platform.c b/drivers/platform/x86/mlx-platform.c index 8cf8c1be26660b..1506ec0a47771e 100644 --- a/drivers/platform/x86/mlx-platform.c +++ b/drivers/platform/x86/mlx-platform.c @@ -171,7 +171,6 @@ #define MLXPLAT_CPLD_NR_NONE -1 #define MLXPLAT_CPLD_PSU_DEFAULT_NR 10 #define MLXPLAT_CPLD_PSU_MSNXXXX_NR 4 -#define MLXPLAT_CPLD_PSU_MSNXXXX_NR2 3 #define MLXPLAT_CPLD_FAN1_DEFAULT_NR 11 #define MLXPLAT_CPLD_FAN2_DEFAULT_NR 12 #define MLXPLAT_CPLD_FAN3_DEFAULT_NR 13 @@ -347,6 +346,15 @@ static struct i2c_board_info mlxplat_mlxcpld_pwr[] = { }, }; +static struct i2c_board_info mlxplat_mlxcpld_ext_pwr[] = { + { + I2C_BOARD_INFO("dps460", 0x5b), + }, + { + I2C_BOARD_INFO("dps460", 0x5a), + }, +}; + static struct i2c_board_info mlxplat_mlxcpld_fan[] = { { I2C_BOARD_INFO("24c32", 0x50), @@ -921,15 +929,15 @@ static struct mlxreg_core_data mlxplat_mlxcpld_ext_pwr_items_data[] = { .label = "pwr3", .reg = MLXPLAT_CPLD_LPC_REG_PWR_OFFSET, .mask = BIT(2), - .hpdev.brdinfo = &mlxplat_mlxcpld_pwr[0], - .hpdev.nr = MLXPLAT_CPLD_PSU_MSNXXXX_NR2, + .hpdev.brdinfo = &mlxplat_mlxcpld_ext_pwr[0], + .hpdev.nr = MLXPLAT_CPLD_PSU_MSNXXXX_NR, }, { .label = "pwr4", .reg = MLXPLAT_CPLD_LPC_REG_PWR_OFFSET, .mask = BIT(3), - .hpdev.brdinfo = &mlxplat_mlxcpld_pwr[1], - .hpdev.nr = MLXPLAT_CPLD_PSU_MSNXXXX_NR2, + .hpdev.brdinfo = &mlxplat_mlxcpld_ext_pwr[1], + .hpdev.nr = MLXPLAT_CPLD_PSU_MSNXXXX_NR, }, }; diff --git a/drivers/platform/x86/pcengines-apuv2.c b/drivers/platform/x86/pcengines-apuv2.c index 6aff6cf41414d7..c37349f97bb804 100644 --- a/drivers/platform/x86/pcengines-apuv2.c +++ b/drivers/platform/x86/pcengines-apuv2.c @@ -32,7 +32,7 @@ #define APU2_GPIO_REG_LED3 AMD_FCH_GPIO_REG_GPIO59_DEVSLP1 #define APU2_GPIO_REG_MODESW AMD_FCH_GPIO_REG_GPIO32_GE1 #define APU2_GPIO_REG_SIMSWAP AMD_FCH_GPIO_REG_GPIO33_GE2 -#define APU2_GPIO_REG_MPCIE2 AMD_FCH_GPIO_REG_GPIO59_DEVSLP0 +#define APU2_GPIO_REG_MPCIE2 AMD_FCH_GPIO_REG_GPIO55_DEVSLP0 #define APU2_GPIO_REG_MPCIE3 AMD_FCH_GPIO_REG_GPIO51 /* Order in which the GPIO lines are defined in the register list */ diff --git a/drivers/platform/x86/surfacepro3_button.c b/drivers/platform/x86/surfacepro3_button.c index ec515223f6549d..d8afed5db94c59 100644 --- a/drivers/platform/x86/surfacepro3_button.c +++ b/drivers/platform/x86/surfacepro3_button.c @@ -84,28 +84,28 @@ static void surface_button_notify(struct acpi_device *device, u32 event) /* Power button press,release handle */ case SURFACE_BUTTON_NOTIFY_PRESS_POWER: pressed = true; - /*fall through*/ + fallthrough; case SURFACE_BUTTON_NOTIFY_RELEASE_POWER: key_code = KEY_POWER; break; /* Home button press,release handle */ case SURFACE_BUTTON_NOTIFY_PRESS_HOME: pressed = true; - /*fall through*/ + fallthrough; case SURFACE_BUTTON_NOTIFY_RELEASE_HOME: key_code = KEY_LEFTMETA; break; /* Volume up button press,release handle */ case SURFACE_BUTTON_NOTIFY_PRESS_VOLUME_UP: pressed = true; - /*fall through*/ + fallthrough; case SURFACE_BUTTON_NOTIFY_RELEASE_VOLUME_UP: key_code = KEY_VOLUMEUP; break; /* Volume down button press,release handle */ case SURFACE_BUTTON_NOTIFY_PRESS_VOLUME_DOWN: pressed = true; - /*fall through*/ + fallthrough; case SURFACE_BUTTON_NOTIFY_RELEASE_VOLUME_DOWN: key_code = KEY_VOLUMEDOWN; break; diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c index 4864a5c189d464..eae3579f106f3d 100644 --- a/drivers/platform/x86/thinkpad_acpi.c +++ b/drivers/platform/x86/thinkpad_acpi.c @@ -2569,7 +2569,7 @@ static void hotkey_compare_and_issue_event(struct tp_nvram_state *oldn, */ static int hotkey_kthread(void *data) { - struct tp_nvram_state s[2]; + struct tp_nvram_state s[2] = { 0 }; u32 poll_mask, event_mask; unsigned int si, so; unsigned long t; @@ -4060,7 +4060,7 @@ static bool hotkey_notify_6xxx(const u32 hkey, * AC status changed; can be triggered by plugging or * unplugging AC adapter, docking or undocking. */ - /* fallthrough */ + fallthrough; case TP_HKEY_EV_KEY_NUMLOCK: case TP_HKEY_EV_KEY_FN: @@ -4176,7 +4176,7 @@ static void hotkey_notify(struct ibm_struct *ibm, u32 event) known_ev = true; break; } - /* fallthrough - to default */ + fallthrough; /* to default */ default: known_ev = false; } @@ -6266,7 +6266,7 @@ static int thermal_get_sensor(int idx, s32 *value) idx -= 8; } #endif - /* fallthrough */ + fallthrough; case TPACPI_THERMAL_TPEC_8: if (idx <= 7) { if (!acpi_ec_read(t + idx, &tmp)) @@ -6829,8 +6829,10 @@ static int __init tpacpi_query_bcl_levels(acpi_handle handle) list_for_each_entry(child, &device->children, node) { acpi_status status = acpi_evaluate_object(child->handle, "_BCL", NULL, &buffer); - if (ACPI_FAILURE(status)) + if (ACPI_FAILURE(status)) { + buffer.length = ACPI_ALLOCATE_BUFFER; continue; + } obj = (union acpi_object *)buffer.pointer; if (!obj || (obj->type != ACPI_TYPE_PACKAGE)) { diff --git a/drivers/platform/x86/toshiba_acpi.c b/drivers/platform/x86/toshiba_acpi.c index 36fff00af9ebd4..e557d757c64708 100644 --- a/drivers/platform/x86/toshiba_acpi.c +++ b/drivers/platform/x86/toshiba_acpi.c @@ -2748,7 +2748,7 @@ static void toshiba_acpi_process_hotkeys(struct toshiba_acpi_dev *dev) result = hci_write(dev, HCI_SYSTEM_EVENT, 1); if (result == TOS_SUCCESS) pr_notice("Re-enabled hotkeys\n"); - /* Fall through */ + fallthrough; default: retries--; break; diff --git a/drivers/platform/x86/touchscreen_dmi.c b/drivers/platform/x86/touchscreen_dmi.c index 5c223015ee71b2..dda60f89c95123 100644 --- a/drivers/platform/x86/touchscreen_dmi.c +++ b/drivers/platform/x86/touchscreen_dmi.c @@ -373,6 +373,23 @@ static const struct ts_dmi_data jumper_ezpad_mini3_data = { .properties = jumper_ezpad_mini3_props, }; +static const struct property_entry mpman_converter9_props[] = { + PROPERTY_ENTRY_U32("touchscreen-min-x", 8), + PROPERTY_ENTRY_U32("touchscreen-min-y", 8), + PROPERTY_ENTRY_U32("touchscreen-size-x", 1664), + PROPERTY_ENTRY_U32("touchscreen-size-y", 880), + PROPERTY_ENTRY_BOOL("touchscreen-inverted-y"), + PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"), + PROPERTY_ENTRY_STRING("firmware-name", "gsl1680-mpman-converter9.fw"), + PROPERTY_ENTRY_U32("silead,max-fingers", 10), + { } +}; + +static const struct ts_dmi_data mpman_converter9_data = { + .acpi_name = "MSSL1680:00", + .properties = mpman_converter9_props, +}; + static const struct property_entry mpman_mpwin895cl_props[] = { PROPERTY_ENTRY_U32("touchscreen-min-x", 3), PROPERTY_ENTRY_U32("touchscreen-min-y", 9), @@ -977,6 +994,14 @@ const struct dmi_system_id touchscreen_dmi_table[] = { }, }, { + /* MP Man Converter 9 */ + .driver_data = (void *)&mpman_converter9_data, + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "MPMAN"), + DMI_MATCH(DMI_PRODUCT_NAME, "Converter9"), + }, + }, + { /* MP Man MPWIN895CL */ .driver_data = (void *)&mpman_mpwin895cl_data, .matches = { diff --git a/drivers/power/supply/ab8500_charger.c b/drivers/power/supply/ab8500_charger.c index 9469fe182d02a1..db65be0269206d 100644 --- a/drivers/power/supply/ab8500_charger.c +++ b/drivers/power/supply/ab8500_charger.c @@ -748,7 +748,7 @@ static int ab8500_charger_max_usb_curr(struct ab8500_charger *di, USB_CH_IP_CUR_LVL_1P5; break; } - /* else, fall through */ + fallthrough; case USB_STAT_HM_IDGND: dev_err(di->dev, "USB Type - Charging not allowed\n"); di->max_usb_in_curr.usb_type_max = USB_CH_IP_CUR_LVL_0P05; @@ -2410,7 +2410,7 @@ static void ab8500_charger_usb_state_changed_work(struct work_struct *work) * of 1sec for enabling charging */ msleep(1000); - /* Intentional fall through */ + fallthrough; case AB8500_BM_USB_STATE_CONFIGURED: /* * USB is configured, enable charging with the charging diff --git a/drivers/power/supply/ab8500_fg.c b/drivers/power/supply/ab8500_fg.c index 751c4f6c748716..7eec415c82a352 100644 --- a/drivers/power/supply/ab8500_fg.c +++ b/drivers/power/supply/ab8500_fg.c @@ -1542,7 +1542,7 @@ static void ab8500_fg_algorithm_discharging(struct ab8500_fg *di) ab8500_fg_discharge_state_to(di, AB8500_FG_DISCHARGE_INITMEASURING); - /* Intentional fallthrough */ + fallthrough; case AB8500_FG_DISCHARGE_INITMEASURING: /* * Discard a number of samples during startup. @@ -1572,7 +1572,7 @@ static void ab8500_fg_algorithm_discharging(struct ab8500_fg *di) ab8500_fg_discharge_state_to(di, AB8500_FG_DISCHARGE_RECOVERY); - /* Intentional fallthrough */ + fallthrough; case AB8500_FG_DISCHARGE_RECOVERY: sleep_time = di->bm->fg_params->recovery_sleep_timer; diff --git a/drivers/power/supply/abx500_chargalg.c b/drivers/power/supply/abx500_chargalg.c index 2fb33a07879a3b..175c4f3d795534 100644 --- a/drivers/power/supply/abx500_chargalg.c +++ b/drivers/power/supply/abx500_chargalg.c @@ -1419,7 +1419,7 @@ static void abx500_chargalg_algorithm(struct abx500_chargalg *di) abx500_chargalg_stop_charging(di); di->charge_status = POWER_SUPPLY_STATUS_DISCHARGING; abx500_chargalg_state_to(di, STATE_HANDHELD); - /* Intentional fallthrough */ + fallthrough; case STATE_HANDHELD: break; @@ -1435,7 +1435,7 @@ static void abx500_chargalg_algorithm(struct abx500_chargalg *di) di->maintenance_chg = false; abx500_chargalg_state_to(di, STATE_SUSPENDED); power_supply_changed(di->chargalg_psy); - /* Intentional fallthrough */ + fallthrough; case STATE_SUSPENDED: /* CHARGING is suspended */ @@ -1444,7 +1444,7 @@ static void abx500_chargalg_algorithm(struct abx500_chargalg *di) case STATE_BATT_REMOVED_INIT: abx500_chargalg_stop_charging(di); abx500_chargalg_state_to(di, STATE_BATT_REMOVED); - /* Intentional fallthrough */ + fallthrough; case STATE_BATT_REMOVED: if (!di->events.batt_rem) @@ -1454,7 +1454,7 @@ static void abx500_chargalg_algorithm(struct abx500_chargalg *di) case STATE_HW_TEMP_PROTECT_INIT: abx500_chargalg_stop_charging(di); abx500_chargalg_state_to(di, STATE_HW_TEMP_PROTECT); - /* Intentional fallthrough */ + fallthrough; case STATE_HW_TEMP_PROTECT: if (!di->events.main_thermal_prot && @@ -1465,7 +1465,7 @@ static void abx500_chargalg_algorithm(struct abx500_chargalg *di) case STATE_OVV_PROTECT_INIT: abx500_chargalg_stop_charging(di); abx500_chargalg_state_to(di, STATE_OVV_PROTECT); - /* Intentional fallthrough */ + fallthrough; case STATE_OVV_PROTECT: if (!di->events.vbus_ovv && @@ -1479,7 +1479,7 @@ static void abx500_chargalg_algorithm(struct abx500_chargalg *di) case STATE_CHG_NOT_OK_INIT: abx500_chargalg_stop_charging(di); abx500_chargalg_state_to(di, STATE_CHG_NOT_OK); - /* Intentional fallthrough */ + fallthrough; case STATE_CHG_NOT_OK: if (!di->events.mainextchnotok && @@ -1490,7 +1490,7 @@ static void abx500_chargalg_algorithm(struct abx500_chargalg *di) case STATE_SAFETY_TIMER_EXPIRED_INIT: abx500_chargalg_stop_charging(di); abx500_chargalg_state_to(di, STATE_SAFETY_TIMER_EXPIRED); - /* Intentional fallthrough */ + fallthrough; case STATE_SAFETY_TIMER_EXPIRED: /* We exit this state when charger is removed */ @@ -1537,7 +1537,7 @@ static void abx500_chargalg_algorithm(struct abx500_chargalg *di) case STATE_WAIT_FOR_RECHARGE_INIT: abx500_chargalg_hold_charging(di); abx500_chargalg_state_to(di, STATE_WAIT_FOR_RECHARGE); - /* Intentional fallthrough */ + fallthrough; case STATE_WAIT_FOR_RECHARGE: if (di->batt_data.percent <= @@ -1558,7 +1558,7 @@ static void abx500_chargalg_algorithm(struct abx500_chargalg *di) di->bm->batt_id].maint_a_cur_lvl); abx500_chargalg_state_to(di, STATE_MAINTENANCE_A); power_supply_changed(di->chargalg_psy); - /* Intentional fallthrough*/ + fallthrough; case STATE_MAINTENANCE_A: if (di->events.maintenance_timer_expired) { @@ -1578,7 +1578,7 @@ static void abx500_chargalg_algorithm(struct abx500_chargalg *di) di->bm->batt_id].maint_b_cur_lvl); abx500_chargalg_state_to(di, STATE_MAINTENANCE_B); power_supply_changed(di->chargalg_psy); - /* Intentional fallthrough*/ + fallthrough; case STATE_MAINTENANCE_B: if (di->events.maintenance_timer_expired) { @@ -1597,7 +1597,7 @@ static void abx500_chargalg_algorithm(struct abx500_chargalg *di) di->charge_status = POWER_SUPPLY_STATUS_CHARGING; abx500_chargalg_state_to(di, STATE_TEMP_LOWHIGH); power_supply_changed(di->chargalg_psy); - /* Intentional fallthrough */ + fallthrough; case STATE_TEMP_LOWHIGH: if (!di->events.btemp_lowhigh) @@ -1607,7 +1607,7 @@ static void abx500_chargalg_algorithm(struct abx500_chargalg *di) case STATE_WD_EXPIRED_INIT: abx500_chargalg_stop_charging(di); abx500_chargalg_state_to(di, STATE_WD_EXPIRED); - /* Intentional fallthrough */ + fallthrough; case STATE_WD_EXPIRED: if (!di->events.ac_wd_expired && @@ -1618,7 +1618,7 @@ static void abx500_chargalg_algorithm(struct abx500_chargalg *di) case STATE_TEMP_UNDEROVER_INIT: abx500_chargalg_stop_charging(di); abx500_chargalg_state_to(di, STATE_TEMP_UNDEROVER); - /* Intentional fallthrough */ + fallthrough; case STATE_TEMP_UNDEROVER: if (!di->events.btemp_underover) diff --git a/drivers/power/supply/axp20x_usb_power.c b/drivers/power/supply/axp20x_usb_power.c index d01dc0332edc78..0eaa86c52874a2 100644 --- a/drivers/power/supply/axp20x_usb_power.c +++ b/drivers/power/supply/axp20x_usb_power.c @@ -349,7 +349,7 @@ static int axp20x_usb_power_set_current_max(struct axp20x_usb_power *power, case 100000: if (power->axp20x_id == AXP221_ID) return -EINVAL; - /* fall through */ + fallthrough; case 500000: case 900000: val = (900000 - intval) / 400000; diff --git a/drivers/power/supply/cros_usbpd-charger.c b/drivers/power/supply/cros_usbpd-charger.c index 2a45e84447fe7c..d89e08efd2ad0f 100644 --- a/drivers/power/supply/cros_usbpd-charger.c +++ b/drivers/power/supply/cros_usbpd-charger.c @@ -383,7 +383,7 @@ static int cros_usbpd_charger_get_prop(struct power_supply *psy, */ if (ec_device->mkbp_event_supported || port->psy_online) break; - /* fall through */ + fallthrough; case POWER_SUPPLY_PROP_CURRENT_MAX: case POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN: case POWER_SUPPLY_PROP_VOLTAGE_NOW: diff --git a/drivers/power/supply/max8925_power.c b/drivers/power/supply/max8925_power.c index 5fca4960f440ae..8878f9131184f7 100644 --- a/drivers/power/supply/max8925_power.c +++ b/drivers/power/supply/max8925_power.c @@ -121,7 +121,7 @@ static irqreturn_t max8925_charger_handler(int irq, void *data) case MAX8925_IRQ_VCHG_THM_OK_F: /* Battery is not ready yet */ dev_dbg(chip->dev, "Battery temperature is out of range\n"); - /* Fall through */ + fallthrough; case MAX8925_IRQ_VCHG_DC_OVP: dev_dbg(chip->dev, "Error detection\n"); __set_charger(info, 0); diff --git a/drivers/power/supply/wm831x_power.c b/drivers/power/supply/wm831x_power.c index 65832bc229f6c7..18b33f14dfeef6 100644 --- a/drivers/power/supply/wm831x_power.c +++ b/drivers/power/supply/wm831x_power.c @@ -665,7 +665,7 @@ static int wm831x_power_probe(struct platform_device *pdev) break; default: dev_err(&pdev->dev, "Failed to find USB phy: %d\n", ret); - /* fall-through */ + fallthrough; case -EPROBE_DEFER: goto err_bat_irq; break; diff --git a/drivers/power/supply/wm8350_power.c b/drivers/power/supply/wm8350_power.c index 26923af574f430..e05cee457471bf 100644 --- a/drivers/power/supply/wm8350_power.c +++ b/drivers/power/supply/wm8350_power.c @@ -227,7 +227,7 @@ static irqreturn_t wm8350_charger_handler(int irq, void *data) case WM8350_IRQ_EXT_USB_FB: case WM8350_IRQ_EXT_WALL_FB: wm8350_charger_config(wm8350, policy); - /* Fall through */ + fallthrough; case WM8350_IRQ_EXT_BAT_FB: power_supply_changed(power->battery); power_supply_changed(power->usb); diff --git a/drivers/powercap/intel_rapl_common.c b/drivers/powercap/intel_rapl_common.c index 6f55aaef8afc99..983d75bd5bd19a 100644 --- a/drivers/powercap/intel_rapl_common.c +++ b/drivers/powercap/intel_rapl_common.c @@ -1035,7 +1035,11 @@ static const struct x86_cpu_id rapl_ids[] __initconst = { X86_MATCH_INTEL_FAM6_MODEL(COMETLAKE_L, &rapl_defaults_core), X86_MATCH_INTEL_FAM6_MODEL(COMETLAKE, &rapl_defaults_core), X86_MATCH_INTEL_FAM6_MODEL(TIGERLAKE_L, &rapl_defaults_core), + X86_MATCH_INTEL_FAM6_MODEL(TIGERLAKE, &rapl_defaults_core), + X86_MATCH_INTEL_FAM6_MODEL(ROCKETLAKE, &rapl_defaults_core), + X86_MATCH_INTEL_FAM6_MODEL(ALDERLAKE, &rapl_defaults_core), X86_MATCH_INTEL_FAM6_MODEL(SAPPHIRERAPIDS_X, &rapl_defaults_spr_server), + X86_MATCH_INTEL_FAM6_MODEL(LAKEFIELD, &rapl_defaults_core), X86_MATCH_INTEL_FAM6_MODEL(ATOM_SILVERMONT, &rapl_defaults_byt), X86_MATCH_INTEL_FAM6_MODEL(ATOM_AIRMONT, &rapl_defaults_cht), diff --git a/drivers/ps3/ps3av.c b/drivers/ps3/ps3av.c index 24f04ffdd9861c..9d66257e1da5c0 100644 --- a/drivers/ps3/ps3av.c +++ b/drivers/ps3/ps3av.c @@ -769,7 +769,7 @@ static int ps3av_auto_videomode(struct ps3av_pkt_av_get_hw_conf *av_hw_conf) switch (info->monitor_type) { case PS3AV_MONITOR_TYPE_DVI: dvi = PS3AV_MODE_DVI; - /* fall through */ + fallthrough; case PS3AV_MONITOR_TYPE_HDMI: id = ps3av_hdmi_get_id(info); break; diff --git a/drivers/ps3/ps3av_cmd.c b/drivers/ps3/ps3av_cmd.c index f0e650cc866e56..c22206652f06fd 100644 --- a/drivers/ps3/ps3av_cmd.c +++ b/drivers/ps3/ps3av_cmd.c @@ -693,11 +693,11 @@ void ps3av_cmd_set_audio_mode(struct ps3av_pkt_audio_mode *audio, u32 avport, switch (ch) { case PS3AV_CMD_AUDIO_NUM_OF_CH_8: audio->audio_enable[3] = 1; - /* fall through */ + fallthrough; case PS3AV_CMD_AUDIO_NUM_OF_CH_6: audio->audio_enable[2] = 1; audio->audio_enable[1] = 1; - /* fall through */ + fallthrough; case PS3AV_CMD_AUDIO_NUM_OF_CH_2: default: audio->audio_enable[0] = 1; diff --git a/drivers/rapidio/Kconfig b/drivers/rapidio/Kconfig index e4c422d806bee0..b9f8514909bf01 100644 --- a/drivers/rapidio/Kconfig +++ b/drivers/rapidio/Kconfig @@ -37,7 +37,7 @@ config RAPIDIO_ENABLE_RX_TX_PORTS config RAPIDIO_DMA_ENGINE bool "DMA Engine support for RapidIO" depends on RAPIDIO - select DMADEVICES + depends on DMADEVICES select DMA_ENGINE help Say Y here if you want to use DMA Engine frameork for RapidIO data diff --git a/drivers/rapidio/devices/rio_mport_cdev.c b/drivers/rapidio/devices/rio_mport_cdev.c index c07ceec3c6d497..a30342942e26f9 100644 --- a/drivers/rapidio/devices/rio_mport_cdev.c +++ b/drivers/rapidio/devices/rio_mport_cdev.c @@ -2150,7 +2150,7 @@ static void mport_release_mapping(struct kref *ref) switch (map->dir) { case MAP_INBOUND: rio_unmap_inb_region(mport, map->phys_addr); - /* fall through */ + fallthrough; case MAP_DMA: dma_free_coherent(mport->dev.parent, map->size, map->virt_addr, map->phys_addr); diff --git a/drivers/regulator/axp20x-regulator.c b/drivers/regulator/axp20x-regulator.c index fbc95cadaf5393..cd1224182ad743 100644 --- a/drivers/regulator/axp20x-regulator.c +++ b/drivers/regulator/axp20x-regulator.c @@ -42,8 +42,9 @@ #define AXP20X_DCDC2_V_OUT_MASK GENMASK(5, 0) #define AXP20X_DCDC3_V_OUT_MASK GENMASK(7, 0) -#define AXP20X_LDO24_V_OUT_MASK GENMASK(7, 4) +#define AXP20X_LDO2_V_OUT_MASK GENMASK(7, 4) #define AXP20X_LDO3_V_OUT_MASK GENMASK(6, 0) +#define AXP20X_LDO4_V_OUT_MASK GENMASK(3, 0) #define AXP20X_LDO5_V_OUT_MASK GENMASK(7, 4) #define AXP20X_PWR_OUT_EXTEN_MASK BIT_MASK(0) @@ -399,7 +400,7 @@ static int axp20x_set_ramp_delay(struct regulator_dev *rdev, int ramp) if (rate_count > 0) break; - /* fall through */ + fallthrough; default: /* Not supported for this regulator */ return -ENOTSUPP; @@ -542,14 +543,14 @@ static const struct regulator_desc axp20x_regulators[] = { AXP20X_PWR_OUT_CTRL, AXP20X_PWR_OUT_DCDC3_MASK), AXP_DESC_FIXED(AXP20X, LDO1, "ldo1", "acin", 1300), AXP_DESC(AXP20X, LDO2, "ldo2", "ldo24in", 1800, 3300, 100, - AXP20X_LDO24_V_OUT, AXP20X_LDO24_V_OUT_MASK, + AXP20X_LDO24_V_OUT, AXP20X_LDO2_V_OUT_MASK, AXP20X_PWR_OUT_CTRL, AXP20X_PWR_OUT_LDO2_MASK), AXP_DESC(AXP20X, LDO3, "ldo3", "ldo3in", 700, 3500, 25, AXP20X_LDO3_V_OUT, AXP20X_LDO3_V_OUT_MASK, AXP20X_PWR_OUT_CTRL, AXP20X_PWR_OUT_LDO3_MASK), AXP_DESC_RANGES(AXP20X, LDO4, "ldo4", "ldo24in", axp20x_ldo4_ranges, AXP20X_LDO4_V_OUT_NUM_VOLTAGES, - AXP20X_LDO24_V_OUT, AXP20X_LDO24_V_OUT_MASK, + AXP20X_LDO24_V_OUT, AXP20X_LDO4_V_OUT_MASK, AXP20X_PWR_OUT_CTRL, AXP20X_PWR_OUT_LDO4_MASK), AXP_DESC_IO(AXP20X, LDO5, "ldo5", "ldo5in", 1800, 3300, 100, AXP20X_LDO5_V_OUT, AXP20X_LDO5_V_OUT_MASK, @@ -1022,7 +1023,7 @@ static int axp20x_set_dcdc_freq(struct platform_device *pdev, u32 dcdcfreq) * (See include/linux/mfd/axp20x.h) */ reg = AXP803_DCDC_FREQ_CTRL; - /* Fall through - to the check below.*/ + fallthrough; /* to the check below */ case AXP806_ID: /* * AXP806 also have DCDC work frequency setting register at a @@ -1030,7 +1031,7 @@ static int axp20x_set_dcdc_freq(struct platform_device *pdev, u32 dcdcfreq) */ if (axp20x->variant == AXP806_ID) reg = AXP806_DCDC_FREQ_CTRL; - /* Fall through */ + fallthrough; case AXP221_ID: case AXP223_ID: case AXP809_ID: @@ -1118,7 +1119,7 @@ static int axp20x_set_dcdc_workmode(struct regulator_dev *rdev, int id, u32 work * (See include/linux/mfd/axp20x.h) */ reg = AXP806_DCDC_MODE_CTRL2; - /* Fall through - to the check below. */ + fallthrough; /* to the check below */ case AXP221_ID: case AXP223_ID: case AXP809_ID: diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index 75ff7c563c5d60..7ff507ec875a85 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -236,8 +236,8 @@ static bool regulator_supply_is_couple(struct regulator_dev *rdev) static void regulator_unlock_recursive(struct regulator_dev *rdev, unsigned int n_coupled) { - struct regulator_dev *c_rdev; - int i; + struct regulator_dev *c_rdev, *supply_rdev; + int i, supply_n_coupled; for (i = n_coupled; i > 0; i--) { c_rdev = rdev->coupling_desc.coupled_rdevs[i - 1]; @@ -245,10 +245,13 @@ static void regulator_unlock_recursive(struct regulator_dev *rdev, if (!c_rdev) continue; - if (c_rdev->supply && !regulator_supply_is_couple(c_rdev)) - regulator_unlock_recursive( - c_rdev->supply->rdev, - c_rdev->coupling_desc.n_coupled); + if (c_rdev->supply && !regulator_supply_is_couple(c_rdev)) { + supply_rdev = c_rdev->supply->rdev; + supply_n_coupled = supply_rdev->coupling_desc.n_coupled; + + regulator_unlock_recursive(supply_rdev, + supply_n_coupled); + } regulator_unlock(c_rdev); } @@ -1461,7 +1464,7 @@ static int set_consumer_device_supply(struct regulator_dev *rdev, const char *consumer_dev_name, const char *supply) { - struct regulator_map *node; + struct regulator_map *node, *new_node; int has_dev; if (supply == NULL) @@ -1472,6 +1475,22 @@ static int set_consumer_device_supply(struct regulator_dev *rdev, else has_dev = 0; + new_node = kzalloc(sizeof(struct regulator_map), GFP_KERNEL); + if (new_node == NULL) + return -ENOMEM; + + new_node->regulator = rdev; + new_node->supply = supply; + + if (has_dev) { + new_node->dev_name = kstrdup(consumer_dev_name, GFP_KERNEL); + if (new_node->dev_name == NULL) { + kfree(new_node); + return -ENOMEM; + } + } + + mutex_lock(®ulator_list_mutex); list_for_each_entry(node, ®ulator_map_list, list) { if (node->dev_name && consumer_dev_name) { if (strcmp(node->dev_name, consumer_dev_name) != 0) @@ -1489,26 +1508,19 @@ static int set_consumer_device_supply(struct regulator_dev *rdev, node->regulator->desc->name, supply, dev_name(&rdev->dev), rdev_get_name(rdev)); - return -EBUSY; + goto fail; } - node = kzalloc(sizeof(struct regulator_map), GFP_KERNEL); - if (node == NULL) - return -ENOMEM; - - node->regulator = rdev; - node->supply = supply; - - if (has_dev) { - node->dev_name = kstrdup(consumer_dev_name, GFP_KERNEL); - if (node->dev_name == NULL) { - kfree(node); - return -ENOMEM; - } - } + list_add(&new_node->list, ®ulator_map_list); + mutex_unlock(®ulator_list_mutex); - list_add(&node->list, ®ulator_map_list); return 0; + +fail: + mutex_unlock(®ulator_list_mutex); + kfree(new_node->dev_name); + kfree(new_node); + return -EBUSY; } static void unset_regulator_supplies(struct regulator_dev *rdev) @@ -1580,44 +1592,53 @@ static struct regulator *create_regulator(struct regulator_dev *rdev, const char *supply_name) { struct regulator *regulator; - char buf[REG_STR_SIZE]; - int err, size; + int err; + + if (dev) { + char buf[REG_STR_SIZE]; + int size; + + size = snprintf(buf, REG_STR_SIZE, "%s-%s", + dev->kobj.name, supply_name); + if (size >= REG_STR_SIZE) + return NULL; + + supply_name = kstrdup(buf, GFP_KERNEL); + if (supply_name == NULL) + return NULL; + } else { + supply_name = kstrdup_const(supply_name, GFP_KERNEL); + if (supply_name == NULL) + return NULL; + } regulator = kzalloc(sizeof(*regulator), GFP_KERNEL); - if (regulator == NULL) + if (regulator == NULL) { + kfree(supply_name); return NULL; + } - regulator_lock(rdev); regulator->rdev = rdev; + regulator->supply_name = supply_name; + + regulator_lock(rdev); list_add(®ulator->list, &rdev->consumer_list); + regulator_unlock(rdev); if (dev) { regulator->dev = dev; /* Add a link to the device sysfs entry */ - size = snprintf(buf, REG_STR_SIZE, "%s-%s", - dev->kobj.name, supply_name); - if (size >= REG_STR_SIZE) - goto overflow_err; - - regulator->supply_name = kstrdup(buf, GFP_KERNEL); - if (regulator->supply_name == NULL) - goto overflow_err; - err = sysfs_create_link_nowarn(&rdev->dev.kobj, &dev->kobj, - buf); + supply_name); if (err) { rdev_dbg(rdev, "could not add device link %s err %d\n", dev->kobj.name, err); /* non-fatal */ } - } else { - regulator->supply_name = kstrdup_const(supply_name, GFP_KERNEL); - if (regulator->supply_name == NULL) - goto overflow_err; } - regulator->debugfs = debugfs_create_dir(regulator->supply_name, + regulator->debugfs = debugfs_create_dir(supply_name, rdev->debugfs); if (!regulator->debugfs) { rdev_dbg(rdev, "Failed to create debugfs directory\n"); @@ -1642,13 +1663,7 @@ static struct regulator *create_regulator(struct regulator_dev *rdev, _regulator_is_enabled(rdev)) regulator->always_on = true; - regulator_unlock(rdev); return regulator; -overflow_err: - list_del(®ulator->list); - kfree(regulator); - regulator_unlock(rdev); - return NULL; } static int _regulator_get_enable_time(struct regulator_dev *rdev) @@ -1895,7 +1910,7 @@ struct regulator *_regulator_get(struct device *dev, const char *id, case EXCLUSIVE_GET: dev_warn(dev, "dummy supplies not allowed for exclusive requests\n"); - /* fall through */ + fallthrough; default: return ERR_PTR(-ENODEV); @@ -2230,10 +2245,13 @@ EXPORT_SYMBOL_GPL(regulator_bulk_unregister_supply_alias); static int regulator_ena_gpio_request(struct regulator_dev *rdev, const struct regulator_config *config) { - struct regulator_enable_gpio *pin; + struct regulator_enable_gpio *pin, *new_pin; struct gpio_desc *gpiod; gpiod = config->ena_gpiod; + new_pin = kzalloc(sizeof(*new_pin), GFP_KERNEL); + + mutex_lock(®ulator_list_mutex); list_for_each_entry(pin, ®ulator_ena_gpio_list, list) { if (pin->gpiod == gpiod) { @@ -2242,9 +2260,13 @@ static int regulator_ena_gpio_request(struct regulator_dev *rdev, } } - pin = kzalloc(sizeof(struct regulator_enable_gpio), GFP_KERNEL); - if (pin == NULL) + if (new_pin == NULL) { + mutex_unlock(®ulator_list_mutex); return -ENOMEM; + } + + pin = new_pin; + new_pin = NULL; pin->gpiod = gpiod; list_add(&pin->list, ®ulator_ena_gpio_list); @@ -2252,6 +2274,10 @@ static int regulator_ena_gpio_request(struct regulator_dev *rdev, update_ena_gpio_to_rdev: pin->request_count++; rdev->ena_pin = pin; + + mutex_unlock(®ulator_list_mutex); + kfree(new_pin); + return 0; } @@ -2264,19 +2290,19 @@ static void regulator_ena_gpio_free(struct regulator_dev *rdev) /* Free the GPIO only in case of no use */ list_for_each_entry_safe(pin, n, ®ulator_ena_gpio_list, list) { - if (pin->gpiod == rdev->ena_pin->gpiod) { - if (pin->request_count <= 1) { - pin->request_count = 0; - gpiod_put(pin->gpiod); - list_del(&pin->list); - kfree(pin); - rdev->ena_pin = NULL; - return; - } else { - pin->request_count--; - } - } + if (pin != rdev->ena_pin) + continue; + + if (--pin->request_count) + break; + + gpiod_put(pin->gpiod); + list_del(&pin->list); + kfree(pin); + break; } + + rdev->ena_pin = NULL; } /** @@ -4949,13 +4975,9 @@ static void regulator_resolve_coupling(struct regulator_dev *rdev) return; } - regulator_lock(c_rdev); - c_desc->coupled_rdevs[i] = c_rdev; c_desc->n_resolved++; - regulator_unlock(c_rdev); - regulator_resolve_coupling(c_rdev); } } @@ -5040,7 +5062,10 @@ static int regulator_init_coupling(struct regulator_dev *rdev) if (!of_check_coupling_data(rdev)) return -EPERM; + mutex_lock(®ulator_list_mutex); rdev->coupling_desc.coupler = regulator_find_coupler(rdev); + mutex_unlock(®ulator_list_mutex); + if (IS_ERR(rdev->coupling_desc.coupler)) { err = PTR_ERR(rdev->coupling_desc.coupler); rdev_err(rdev, "failed to get coupler: %d\n", err); @@ -5141,6 +5166,7 @@ regulator_register(const struct regulator_desc *regulator_desc, ret = -ENOMEM; goto rinse; } + device_initialize(&rdev->dev); /* * Duplicate the config so the driver could override it after @@ -5148,9 +5174,8 @@ regulator_register(const struct regulator_desc *regulator_desc, */ config = kmemdup(cfg, sizeof(*cfg), GFP_KERNEL); if (config == NULL) { - kfree(rdev); ret = -ENOMEM; - goto rinse; + goto clean; } init_data = regulator_of_get_init_data(dev, regulator_desc, config, @@ -5162,10 +5187,8 @@ regulator_register(const struct regulator_desc *regulator_desc, * from a gpio extender or something else. */ if (PTR_ERR(init_data) == -EPROBE_DEFER) { - kfree(config); - kfree(rdev); ret = -EPROBE_DEFER; - goto rinse; + goto clean; } /* @@ -5206,9 +5229,7 @@ regulator_register(const struct regulator_desc *regulator_desc, } if (config->ena_gpiod) { - mutex_lock(®ulator_list_mutex); ret = regulator_ena_gpio_request(rdev, config); - mutex_unlock(®ulator_list_mutex); if (ret != 0) { rdev_err(rdev, "Failed to request enable GPIO: %d\n", ret); @@ -5220,7 +5241,6 @@ regulator_register(const struct regulator_desc *regulator_desc, } /* register with sysfs */ - device_initialize(&rdev->dev); rdev->dev.class = ®ulator_class; rdev->dev.parent = dev; dev_set_name(&rdev->dev, "regulator.%lu", @@ -5248,27 +5268,22 @@ regulator_register(const struct regulator_desc *regulator_desc, if (ret < 0) goto wash; - mutex_lock(®ulator_list_mutex); ret = regulator_init_coupling(rdev); - mutex_unlock(®ulator_list_mutex); if (ret < 0) goto wash; /* add consumers devices */ if (init_data) { - mutex_lock(®ulator_list_mutex); for (i = 0; i < init_data->num_consumer_supplies; i++) { ret = set_consumer_device_supply(rdev, init_data->consumer_supplies[i].dev_name, init_data->consumer_supplies[i].supply); if (ret < 0) { - mutex_unlock(®ulator_list_mutex); dev_err(dev, "Failed to set supply %s\n", init_data->consumer_supplies[i].supply); goto unset_supplies; } } - mutex_unlock(®ulator_list_mutex); } if (!rdev->desc->ops->get_voltage && @@ -5303,13 +5318,11 @@ wash: mutex_lock(®ulator_list_mutex); regulator_ena_gpio_free(rdev); mutex_unlock(®ulator_list_mutex); - put_device(&rdev->dev); - rdev = NULL; clean: if (dangling_of_gpiod) gpiod_put(config->ena_gpiod); - kfree(rdev); kfree(config); + put_device(&rdev->dev); rinse: if (dangling_cfg_gpiod) gpiod_put(cfg->ena_gpiod); diff --git a/drivers/regulator/cros-ec-regulator.c b/drivers/regulator/cros-ec-regulator.c index 3117bbd2826b2d..eb3fc1db4edc81 100644 --- a/drivers/regulator/cros-ec-regulator.c +++ b/drivers/regulator/cros-ec-regulator.c @@ -170,6 +170,9 @@ static int cros_ec_regulator_init_info(struct device *dev, data->voltages_mV = devm_kmemdup(dev, resp.voltages_mv, sizeof(u16) * data->num_voltages, GFP_KERNEL); + if (!data->voltages_mV) + return -ENOMEM; + data->desc.n_voltages = data->num_voltages; /* Make sure the returned name is always a valid string */ diff --git a/drivers/regulator/fixed.c b/drivers/regulator/fixed.c index d54830e48b8dc5..142a70a8915369 100644 --- a/drivers/regulator/fixed.c +++ b/drivers/regulator/fixed.c @@ -182,7 +182,7 @@ static int reg_fixed_voltage_probe(struct platform_device *pdev) drvdata->enable_clock = devm_clk_get(dev, NULL); if (IS_ERR(drvdata->enable_clock)) { - dev_err(dev, "Cant get enable-clock from devicetree\n"); + dev_err(dev, "Can't get enable-clock from devicetree\n"); return -ENOENT; } } else { diff --git a/drivers/regulator/pwm-regulator.c b/drivers/regulator/pwm-regulator.c index 3234b118b53ea2..990bd50771d8df 100644 --- a/drivers/regulator/pwm-regulator.c +++ b/drivers/regulator/pwm-regulator.c @@ -279,7 +279,7 @@ static int pwm_regulator_init_table(struct platform_device *pdev, return ret; } - drvdata->state = -EINVAL; + drvdata->state = -ENOTRECOVERABLE; drvdata->duty_cycle_table = duty_cycle_table; drvdata->desc.ops = &pwm_regulator_voltage_table_ops; drvdata->desc.n_voltages = length / sizeof(*duty_cycle_table); diff --git a/drivers/regulator/slg51000-regulator.c b/drivers/regulator/slg51000-regulator.c index 44e4cecbf6dec0..87b020d0b958dd 100644 --- a/drivers/regulator/slg51000-regulator.c +++ b/drivers/regulator/slg51000-regulator.c @@ -319,7 +319,7 @@ static int slg51000_regulator_init(struct slg51000 *chip) rdesc->linear_min_sel = 0; break; } - /* Fall through - to the check below.*/ + fallthrough; /* to the check below */ default: rdesc->linear_min_sel = vsel_range[0]; diff --git a/drivers/regulator/twl6030-regulator.c b/drivers/regulator/twl6030-regulator.c index f7db250a75839e..430265c404d658 100644 --- a/drivers/regulator/twl6030-regulator.c +++ b/drivers/regulator/twl6030-regulator.c @@ -312,7 +312,7 @@ static int twl6030smps_list_voltage(struct regulator_dev *rdev, unsigned index) switch (info->flags) { case SMPS_OFFSET_EN: voltage = 100000; - /* fall through */ + fallthrough; case 0: switch (index) { case 0: diff --git a/drivers/remoteproc/omap_remoteproc.c b/drivers/remoteproc/omap_remoteproc.c index 6955fab0a78b78..d94b7391bf9ddf 100644 --- a/drivers/remoteproc/omap_remoteproc.c +++ b/drivers/remoteproc/omap_remoteproc.c @@ -511,7 +511,6 @@ static void omap_rproc_mbox_callback(struct mbox_client *client, void *data) dev_info(dev, "received echo reply from %s\n", name); break; case RP_MBOX_SUSPEND_ACK: - /* Fall through */ case RP_MBOX_SUSPEND_CANCEL: oproc->suspend_acked = msg == RP_MBOX_SUSPEND_ACK; complete(&oproc->pm_comp); diff --git a/drivers/reset/reset-imx7.c b/drivers/reset/reset-imx7.c index d170fe66321060..e8aa8691deb2db 100644 --- a/drivers/reset/reset-imx7.c +++ b/drivers/reset/reset-imx7.c @@ -222,7 +222,7 @@ static int imx8mq_reset_set(struct reset_controller_dev *rcdev, switch (id) { case IMX8MQ_RESET_PCIEPHY: - case IMX8MQ_RESET_PCIEPHY2: /* fallthrough */ + case IMX8MQ_RESET_PCIEPHY2: /* * wait for more than 10us to release phy g_rst and * btnrst @@ -232,12 +232,12 @@ static int imx8mq_reset_set(struct reset_controller_dev *rcdev, break; case IMX8MQ_RESET_PCIE_CTRL_APPS_EN: - case IMX8MQ_RESET_PCIE2_CTRL_APPS_EN: /* fallthrough */ - case IMX8MQ_RESET_MIPI_DSI_PCLK_RESET_N: /* fallthrough */ - case IMX8MQ_RESET_MIPI_DSI_ESC_RESET_N: /* fallthrough */ - case IMX8MQ_RESET_MIPI_DSI_DPI_RESET_N: /* fallthrough */ - case IMX8MQ_RESET_MIPI_DSI_RESET_N: /* fallthrough */ - case IMX8MQ_RESET_MIPI_DSI_RESET_BYTE_N: /* fallthrough */ + case IMX8MQ_RESET_PCIE2_CTRL_APPS_EN: + case IMX8MQ_RESET_MIPI_DSI_PCLK_RESET_N: + case IMX8MQ_RESET_MIPI_DSI_ESC_RESET_N: + case IMX8MQ_RESET_MIPI_DSI_DPI_RESET_N: + case IMX8MQ_RESET_MIPI_DSI_RESET_N: + case IMX8MQ_RESET_MIPI_DSI_RESET_BYTE_N: value = assert ? 0 : bit; break; } diff --git a/drivers/rpmsg/qcom_glink_native.c b/drivers/rpmsg/qcom_glink_native.c index 1995f5b3ea6775..f40312b16da065 100644 --- a/drivers/rpmsg/qcom_glink_native.c +++ b/drivers/rpmsg/qcom_glink_native.c @@ -553,7 +553,7 @@ static void qcom_glink_receive_version(struct qcom_glink *glink, break; case GLINK_VERSION_1: glink->features &= features; - /* FALLTHROUGH */ + fallthrough; default: qcom_glink_send_version_ack(glink); break; @@ -584,7 +584,7 @@ static void qcom_glink_receive_version_ack(struct qcom_glink *glink, break; glink->features &= features; - /* FALLTHROUGH */ + fallthrough; default: qcom_glink_send_version(glink); break; diff --git a/drivers/rtc/rtc-m41t80.c b/drivers/rtc/rtc-m41t80.c index 9b70b371bd0c37..8a89bc52b0d451 100644 --- a/drivers/rtc/rtc-m41t80.c +++ b/drivers/rtc/rtc-m41t80.c @@ -740,7 +740,7 @@ static int wdt_ioctl(struct file *file, unsigned int cmd, return -EINVAL; wdt_margin = new_margin; wdt_ping(); - /* Fall through */ + fallthrough; case WDIOC_GETTIMEOUT: return put_user(wdt_margin, (int __user *)arg); diff --git a/drivers/rtc/rtc-pcf85063.c b/drivers/rtc/rtc-pcf85063.c index ca55ba975aeb19..f8b99cb7295904 100644 --- a/drivers/rtc/rtc-pcf85063.c +++ b/drivers/rtc/rtc-pcf85063.c @@ -353,7 +353,7 @@ static int pcf85063_load_capacitance(struct pcf85063 *pcf85063, default: dev_warn(&pcf85063->rtc->dev, "Unknown quartz-load-femtofarads value: %d. Assuming 7000", load); - /* fall through */ + fallthrough; case 7000: break; case 12500: diff --git a/drivers/rtc/rtc-pcf8523.c b/drivers/rtc/rtc-pcf8523.c index 47e0f411dd5cb7..57d351dfe27233 100644 --- a/drivers/rtc/rtc-pcf8523.c +++ b/drivers/rtc/rtc-pcf8523.c @@ -108,7 +108,7 @@ static int pcf8523_load_capacitance(struct i2c_client *client) default: dev_warn(&client->dev, "Unknown quartz-load-femtofarads value: %d. Assuming 12500", load); - /* fall through */ + fallthrough; case 12500: value |= REG_CONTROL1_CAP_SEL; break; diff --git a/drivers/rtc/rtc-stmp3xxx.c b/drivers/rtc/rtc-stmp3xxx.c index c9bc3d4a1e66c4..0a969af80af7c0 100644 --- a/drivers/rtc/rtc-stmp3xxx.c +++ b/drivers/rtc/rtc-stmp3xxx.c @@ -331,7 +331,7 @@ static int stmp3xxx_rtc_probe(struct platform_device *pdev) default: dev_warn(&pdev->dev, "invalid crystal-freq specified in device-tree. Assuming no crystal\n"); - /* fall-through */ + fallthrough; case 0: /* keep XTAL on in low-power mode */ pers0_set = STMP3XXX_RTC_PERSISTENT0_XTAL24MHZ_PWRUP; diff --git a/drivers/s390/block/dasd_fba.c b/drivers/s390/block/dasd_fba.c index cbb770824226f6..1a44e321b54e1e 100644 --- a/drivers/s390/block/dasd_fba.c +++ b/drivers/s390/block/dasd_fba.c @@ -40,6 +40,7 @@ MODULE_LICENSE("GPL"); static struct dasd_discipline dasd_fba_discipline; +static void *dasd_fba_zero_page; struct dasd_fba_private { struct dasd_fba_characteristics rdc_data; @@ -270,7 +271,7 @@ static void ccw_write_zero(struct ccw1 *ccw, int count) ccw->cmd_code = DASD_FBA_CCW_WRITE; ccw->flags |= CCW_FLAG_SLI; ccw->count = count; - ccw->cda = (__u32) (addr_t) page_to_phys(ZERO_PAGE(0)); + ccw->cda = (__u32) (addr_t) dasd_fba_zero_page; } /* @@ -830,6 +831,11 @@ dasd_fba_init(void) int ret; ASCEBC(dasd_fba_discipline.ebcname, 4); + + dasd_fba_zero_page = (void *)get_zeroed_page(GFP_KERNEL | GFP_DMA); + if (!dasd_fba_zero_page) + return -ENOMEM; + ret = ccw_driver_register(&dasd_fba_driver); if (!ret) wait_for_device_probe(); @@ -841,6 +847,7 @@ static void __exit dasd_fba_cleanup(void) { ccw_driver_unregister(&dasd_fba_driver); + free_page((unsigned long)dasd_fba_zero_page); } module_init(dasd_fba_init); diff --git a/drivers/s390/crypto/zcrypt_api.c b/drivers/s390/crypto/zcrypt_api.c index 4dbbfd88262cde..f314936b54622d 100644 --- a/drivers/s390/crypto/zcrypt_api.c +++ b/drivers/s390/crypto/zcrypt_api.c @@ -1449,7 +1449,8 @@ static long zcrypt_unlocked_ioctl(struct file *filp, unsigned int cmd, if (!reqcnt) return -ENOMEM; zcrypt_perdev_reqcnt(reqcnt, AP_DEVICES); - if (copy_to_user((int __user *) arg, reqcnt, sizeof(reqcnt))) + if (copy_to_user((int __user *) arg, reqcnt, + sizeof(u32) * AP_DEVICES)) rc = -EFAULT; kfree(reqcnt); return rc; diff --git a/drivers/s390/crypto/zcrypt_ccamisc.c b/drivers/s390/crypto/zcrypt_ccamisc.c index 3f5b61351cde56..c793dcabd551c3 100644 --- a/drivers/s390/crypto/zcrypt_ccamisc.c +++ b/drivers/s390/crypto/zcrypt_ccamisc.c @@ -1692,9 +1692,9 @@ int cca_findcard2(u32 **apqns, u32 *nr_apqns, u16 cardnr, u16 domain, *nr_apqns = 0; /* fetch status of all crypto cards */ - device_status = kmalloc_array(MAX_ZDEV_ENTRIES_EXT, - sizeof(struct zcrypt_device_status_ext), - GFP_KERNEL); + device_status = kvmalloc_array(MAX_ZDEV_ENTRIES_EXT, + sizeof(struct zcrypt_device_status_ext), + GFP_KERNEL); if (!device_status) return -ENOMEM; zcrypt_device_status_mask_ext(device_status); @@ -1762,7 +1762,7 @@ int cca_findcard2(u32 **apqns, u32 *nr_apqns, u16 cardnr, u16 domain, verify = 0; } - kfree(device_status); + kvfree(device_status); return rc; } EXPORT_SYMBOL(cca_findcard2); diff --git a/drivers/s390/net/ctcm_fsms.c b/drivers/s390/net/ctcm_fsms.c index 3ce99e4db44d5f..661d2a49bce96a 100644 --- a/drivers/s390/net/ctcm_fsms.c +++ b/drivers/s390/net/ctcm_fsms.c @@ -1695,7 +1695,7 @@ static void ctcmpc_chx_attnbusy(fsm_instance *fsm, int event, void *arg) grp->changed_side = 2; break; } - /* Else, fall through */ + fallthrough; case MPCG_STATE_XID0IOWAIX: case MPCG_STATE_XID7INITW: case MPCG_STATE_XID7INITX: diff --git a/drivers/s390/net/ctcm_mpc.c b/drivers/s390/net/ctcm_mpc.c index ab316baa828433..85a1a4533cbebc 100644 --- a/drivers/s390/net/ctcm_mpc.c +++ b/drivers/s390/net/ctcm_mpc.c @@ -357,7 +357,7 @@ int ctc_mpc_alloc_channel(int port_num, void (*callback)(int, int)) /*fsm_newstate(grp->fsm, MPCG_STATE_XID2INITW);*/ if (callback) grp->send_qllc_disc = 1; - /* Else, fall through */ + fallthrough; case MPCG_STATE_XID0IOWAIT: fsm_deltimer(&grp->timer); grp->outstanding_xid2 = 0; @@ -1470,7 +1470,7 @@ static void mpc_action_timeout(fsm_instance *fi, int event, void *arg) if ((fsm_getstate(rch->fsm) == CH_XID0_PENDING) && (fsm_getstate(wch->fsm) == CH_XID0_PENDING)) break; - /* Else, fall through */ + fallthrough; default: fsm_event(grp->fsm, MPCG_EVENT_INOP, dev); } @@ -2089,7 +2089,7 @@ static int mpc_send_qllc_discontact(struct net_device *dev) grp->estconnfunc = NULL; break; } - /* Else, fall through */ + fallthrough; case MPCG_STATE_FLOWC: case MPCG_STATE_READY: grp->send_qllc_disc = 2; diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c index bba1b54b8aa390..6a739825142370 100644 --- a/drivers/s390/net/qeth_core_main.c +++ b/drivers/s390/net/qeth_core_main.c @@ -1071,7 +1071,7 @@ static void qeth_issue_next_read_cb(struct qeth_card *card, break; case -EIO: qeth_schedule_recovery(card); - /* fall through */ + fallthrough; default: qeth_clear_ipacmd_list(card); goto err_idx; @@ -2886,7 +2886,7 @@ void qeth_print_status_message(struct qeth_card *card) card->info.mcl_level[3]); break; } - /* fallthrough */ + fallthrough; case QETH_CARD_TYPE_IQD: if (IS_VM_NIC(card) || (card->info.mcl_level[0] & 0x80)) { card->info.mcl_level[0] = (char) _ebcasc[(__u8) diff --git a/drivers/s390/net/qeth_ethtool.c b/drivers/s390/net/qeth_ethtool.c index ebdc0321060895..f870c5322bfe74 100644 --- a/drivers/s390/net/qeth_ethtool.c +++ b/drivers/s390/net/qeth_ethtool.c @@ -356,7 +356,7 @@ static void qeth_set_cmd_adv_sup(struct ethtool_link_ksettings *cmd, 10000baseT_Full); ethtool_link_ksettings_add_link_mode(cmd, advertising, 10000baseT_Full); - /* fall through */ + fallthrough; case SPEED_1000: ethtool_link_ksettings_add_link_mode(cmd, supported, 1000baseT_Full); @@ -366,7 +366,7 @@ static void qeth_set_cmd_adv_sup(struct ethtool_link_ksettings *cmd, 1000baseT_Half); ethtool_link_ksettings_add_link_mode(cmd, advertising, 1000baseT_Half); - /* fall through */ + fallthrough; case SPEED_100: ethtool_link_ksettings_add_link_mode(cmd, supported, 100baseT_Full); @@ -376,7 +376,7 @@ static void qeth_set_cmd_adv_sup(struct ethtool_link_ksettings *cmd, 100baseT_Half); ethtool_link_ksettings_add_link_mode(cmd, advertising, 100baseT_Half); - /* fall through */ + fallthrough; case SPEED_10: ethtool_link_ksettings_add_link_mode(cmd, supported, 10baseT_Full); diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c index 8b342a88ff5cb9..6384f7adba6600 100644 --- a/drivers/s390/net/qeth_l2_main.c +++ b/drivers/s390/net/qeth_l2_main.c @@ -284,11 +284,11 @@ static void qeth_l2_stop_card(struct qeth_card *card) if (card->state == CARD_STATE_SOFTSETUP) { qeth_clear_ipacmd_list(card); - qeth_drain_output_queues(card); card->state = CARD_STATE_DOWN; } qeth_qdio_clear_card(card, 0); + qeth_drain_output_queues(card); qeth_clear_working_pool_list(card); flush_workqueue(card->event_wq); qeth_flush_local_addrs(card); @@ -488,7 +488,7 @@ static void qeth_l2_rx_mode_work(struct work_struct *work) kfree(mac); break; } - /* fall through */ + fallthrough; default: /* for next call to set_rx_mode(): */ mac->disp_flag = QETH_DISP_ADDR_DELETE; diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c index fe44b0249e34ad..09ef518ca1eafc 100644 --- a/drivers/s390/net/qeth_l3_main.c +++ b/drivers/s390/net/qeth_l3_main.c @@ -1168,11 +1168,11 @@ static void qeth_l3_stop_card(struct qeth_card *card) if (card->state == CARD_STATE_SOFTSETUP) { qeth_l3_clear_ip_htable(card, 1); qeth_clear_ipacmd_list(card); - qeth_drain_output_queues(card); card->state = CARD_STATE_DOWN; } qeth_qdio_clear_card(card, 0); + qeth_drain_output_queues(card); qeth_clear_working_pool_list(card); flush_workqueue(card->event_wq); qeth_flush_local_addrs(card); @@ -1235,7 +1235,7 @@ static void qeth_l3_rx_mode_work(struct work_struct *work) break; } addr->ref_counter = 1; - /* fall through */ + fallthrough; default: /* for next call to set_rx_mode(): */ addr->disp_flag = QETH_DISP_ADDR_DELETE; diff --git a/drivers/scsi/53c700.c b/drivers/scsi/53c700.c index 461b3babb601ef..84b57a8f86bfa9 100644 --- a/drivers/scsi/53c700.c +++ b/drivers/scsi/53c700.c @@ -1832,7 +1832,7 @@ NCR_700_queuecommand_lck(struct scsi_cmnd *SCp, void (*done)(struct scsi_cmnd *) case REQUEST_SENSE: /* clear the internal sense magic */ SCp->cmnd[6] = 0; - /* fall through */ + fallthrough; default: /* OK, get it from the command */ switch(SCp->sc_data_direction) { diff --git a/drivers/scsi/BusLogic.c b/drivers/scsi/BusLogic.c index bb49d83cadc787..ccb061ab0a0ad2 100644 --- a/drivers/scsi/BusLogic.c +++ b/drivers/scsi/BusLogic.c @@ -2635,7 +2635,7 @@ static int blogic_resultcode(struct blogic_adapter *adapter, case BLOGIC_BAD_CMD_PARAM: blogic_warn("BusLogic Driver Protocol Error 0x%02X\n", adapter, adapter_status); - /* fall through */ + fallthrough; case BLOGIC_DATA_UNDERRUN: case BLOGIC_DATA_OVERRUN: case BLOGIC_NOEXPECT_BUSFREE: diff --git a/drivers/scsi/FlashPoint.c b/drivers/scsi/FlashPoint.c index 0f17bd51088ac7..24ace18240480a 100644 --- a/drivers/scsi/FlashPoint.c +++ b/drivers/scsi/FlashPoint.c @@ -1034,11 +1034,14 @@ static int FlashPoint_ProbeHostAdapter(struct sccb_mgr_info *pCardInfo) temp6 >>= 1; switch (temp & 0x3) { case AUTO_RATE_20: /* Synchronous, 20 mega-transfers/second */ - temp6 |= 0x8000; /* Fall through */ + temp6 |= 0x8000; + fallthrough; case AUTO_RATE_10: /* Synchronous, 10 mega-transfers/second */ - temp5 |= 0x8000; /* Fall through */ + temp5 |= 0x8000; + fallthrough; case AUTO_RATE_05: /* Synchronous, 5 mega-transfers/second */ - temp2 |= 0x8000; /* Fall through */ + temp2 |= 0x8000; + fallthrough; case AUTO_RATE_00: /* Asynchronous */ break; } diff --git a/drivers/scsi/NCR5380.c b/drivers/scsi/NCR5380.c index f2f7e6e76c07ac..d654a6cc4162f8 100644 --- a/drivers/scsi/NCR5380.c +++ b/drivers/scsi/NCR5380.c @@ -1943,7 +1943,7 @@ static void NCR5380_information_transfer(struct Scsi_Host *instance) return; /* Reject message */ - /* Fall through */ + fallthrough; default: /* * If we get something weird that we aren't expecting, diff --git a/drivers/scsi/aacraid/aachba.c b/drivers/scsi/aacraid/aachba.c index 769af4ca9ca97e..fd6ae5c380861c 100644 --- a/drivers/scsi/aacraid/aachba.c +++ b/drivers/scsi/aacraid/aachba.c @@ -2809,7 +2809,7 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd) !(dev->raw_io_64) || ((scsicmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16)) break; - /* fall through */ + fallthrough; case INQUIRY: case READ_CAPACITY: case TEST_UNIT_READY: @@ -2884,7 +2884,7 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd) /* Issue FIB to tell Firmware to flush it's cache */ if ((aac_cache & 6) != 2) return aac_synchronize(scsicmd); - /* fall through */ + fallthrough; case INQUIRY: { struct inquiry_data inq_data; @@ -3240,7 +3240,7 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd) SCSI_SENSE_BUFFERSIZE)); break; } - /* fall through */ + fallthrough; case RESERVE: case RELEASE: case REZERO_UNIT: @@ -3253,7 +3253,7 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd) case START_STOP: return aac_start_stop(scsicmd); - /* FALLTHRU */ + fallthrough; default: /* * Unhandled commands diff --git a/drivers/scsi/aacraid/commsup.c b/drivers/scsi/aacraid/commsup.c index adbdc3b7c7a706..383e74fea6edf1 100644 --- a/drivers/scsi/aacraid/commsup.c +++ b/drivers/scsi/aacraid/commsup.c @@ -1431,7 +1431,7 @@ retry_next: "enclosure services event"); scsi_device_set_state(device, SDEV_RUNNING); } - /* FALLTHRU */ + fallthrough; case CHANGE: if ((channel == CONTAINER_CHANNEL) && (!dev->fsa_dev[container].valid)) { diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c index 8588da0a065551..a3aee146537bc8 100644 --- a/drivers/scsi/aacraid/linit.c +++ b/drivers/scsi/aacraid/linit.c @@ -765,7 +765,7 @@ static int aac_eh_abort(struct scsi_cmnd* cmd) !(aac->raw_io_64) || ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16)) break; - /* fall through */ + fallthrough; case INQUIRY: case READ_CAPACITY: /* diff --git a/drivers/scsi/aic7xxx/aic79xx_core.c b/drivers/scsi/aic7xxx/aic79xx_core.c index c912d29b8bdf7b..1c617c0d5899f3 100644 --- a/drivers/scsi/aic7xxx/aic79xx_core.c +++ b/drivers/scsi/aic7xxx/aic79xx_core.c @@ -2274,7 +2274,7 @@ ahd_handle_seqint(struct ahd_softc *ahd, u_int intstat) switch (scb->hscb->task_management) { case SIU_TASKMGMT_ABORT_TASK: tag = SCB_GET_TAG(scb); - /* fall through */ + fallthrough; case SIU_TASKMGMT_ABORT_TASK_SET: case SIU_TASKMGMT_CLEAR_TASK_SET: lun = scb->hscb->lun; @@ -2285,7 +2285,7 @@ ahd_handle_seqint(struct ahd_softc *ahd, u_int intstat) break; case SIU_TASKMGMT_LUN_RESET: lun = scb->hscb->lun; - /* fall through */ + fallthrough; case SIU_TASKMGMT_TARGET_RESET: { struct ahd_devinfo devinfo; @@ -3791,7 +3791,7 @@ ahd_validate_width(struct ahd_softc *ahd, struct ahd_initiator_tinfo *tinfo, *bus_width = MSG_EXT_WDTR_BUS_16_BIT; break; } - /* FALLTHROUGH */ + fallthrough; case MSG_EXT_WDTR_BUS_8_BIT: *bus_width = MSG_EXT_WDTR_BUS_8_BIT; break; @@ -5104,7 +5104,7 @@ ahd_parse_msg(struct ahd_softc *ahd, struct ahd_devinfo *devinfo) break; case MSG_MESSAGE_REJECT: response = ahd_handle_msg_reject(ahd, devinfo); - /* FALLTHROUGH */ + fallthrough; case MSG_NOOP: done = MSGLOOP_MSGCOMPLETE; break; @@ -5454,7 +5454,7 @@ ahd_parse_msg(struct ahd_softc *ahd, struct ahd_devinfo *devinfo) ahd_name(ahd), ahd_inb(ahd, SCSISIGI)); #endif ahd->msg_flags |= MSG_FLAG_EXPECT_QASREJ_BUSFREE; - /* FALLTHROUGH */ + fallthrough; case MSG_TERM_IO_PROC: default: reject = TRUE; @@ -6117,17 +6117,17 @@ ahd_free(struct ahd_softc *ahd) default: case 5: ahd_shutdown(ahd); - /* FALLTHROUGH */ + fallthrough; case 4: ahd_dmamap_unload(ahd, ahd->shared_data_dmat, ahd->shared_data_map.dmamap); - /* FALLTHROUGH */ + fallthrough; case 3: ahd_dmamem_free(ahd, ahd->shared_data_dmat, ahd->qoutfifo, ahd->shared_data_map.dmamap); ahd_dmamap_destroy(ahd, ahd->shared_data_dmat, ahd->shared_data_map.dmamap); - /* FALLTHROUGH */ + fallthrough; case 2: ahd_dma_tag_destroy(ahd, ahd->shared_data_dmat); case 1: @@ -6513,7 +6513,7 @@ ahd_fini_scbdata(struct ahd_softc *ahd) } ahd_dma_tag_destroy(ahd, scb_data->sense_dmat); } - /* fall through */ + fallthrough; case 6: { struct map_node *sg_map; @@ -6528,7 +6528,7 @@ ahd_fini_scbdata(struct ahd_softc *ahd) } ahd_dma_tag_destroy(ahd, scb_data->sg_dmat); } - /* fall through */ + fallthrough; case 5: { struct map_node *hscb_map; @@ -7171,7 +7171,7 @@ ahd_init(struct ahd_softc *ahd) case FLX_CSTAT_OVER: case FLX_CSTAT_UNDER: warn_user++; - /* fall through */ + fallthrough; case FLX_CSTAT_INVALID: case FLX_CSTAT_OKAY: if (warn_user == 0 && bootverbose == 0) @@ -8175,12 +8175,12 @@ ahd_search_qinfifo(struct ahd_softc *ahd, int target, char channel, if ((scb->flags & SCB_ACTIVE) == 0) printk("Inactive SCB in qinfifo\n"); ahd_done_with_status(ahd, scb, status); - /* FALLTHROUGH */ + fallthrough; case SEARCH_REMOVE: break; case SEARCH_PRINT: printk(" 0x%x", ahd->qinfifo[qinpos]); - /* FALLTHROUGH */ + fallthrough; case SEARCH_COUNT: ahd_qinfifo_requeue(ahd, prev_scb, scb); prev_scb = scb; @@ -8271,7 +8271,7 @@ ahd_search_qinfifo(struct ahd_softc *ahd, int target, char channel, if ((mk_msg_scb->flags & SCB_ACTIVE) == 0) printk("Inactive SCB pending MK_MSG\n"); ahd_done_with_status(ahd, mk_msg_scb, status); - /* FALLTHROUGH */ + fallthrough; case SEARCH_REMOVE: { u_int tail_offset; @@ -8295,7 +8295,7 @@ ahd_search_qinfifo(struct ahd_softc *ahd, int target, char channel, } case SEARCH_PRINT: printk(" 0x%x", SCB_GET_TAG(scb)); - /* FALLTHROUGH */ + fallthrough; case SEARCH_COUNT: break; } @@ -8376,7 +8376,7 @@ ahd_search_scb_list(struct ahd_softc *ahd, int target, char channel, if ((scb->flags & SCB_ACTIVE) == 0) printk("Inactive SCB in Waiting List\n"); ahd_done_with_status(ahd, scb, status); - /* fall through */ + fallthrough; case SEARCH_REMOVE: ahd_rem_wscb(ahd, scbid, prev, next, tid); *list_tail = prev; @@ -8385,7 +8385,7 @@ ahd_search_scb_list(struct ahd_softc *ahd, int target, char channel, break; case SEARCH_PRINT: printk("0x%x ", scbid); - /* fall through */ + fallthrough; case SEARCH_COUNT: prev = scbid; break; @@ -9023,7 +9023,7 @@ ahd_handle_scsi_status(struct ahd_softc *ahd, struct scb *scb) case SCSI_STATUS_OK: printk("%s: Interrupted for status of 0???\n", ahd_name(ahd)); - /* FALLTHROUGH */ + fallthrough; default: ahd_done(ahd, scb); break; @@ -9512,7 +9512,7 @@ ahd_download_instr(struct ahd_softc *ahd, u_int instrptr, uint8_t *dconsts) fmt3_ins = &instr.format3; fmt3_ins->address = ahd_resolve_seqaddr(ahd, fmt3_ins->address); } - /* fall through */ + fallthrough; case AIC_OP_OR: case AIC_OP_AND: case AIC_OP_XOR: @@ -9523,7 +9523,7 @@ ahd_download_instr(struct ahd_softc *ahd, u_int instrptr, uint8_t *dconsts) fmt1_ins->immediate = dconsts[fmt1_ins->immediate]; } fmt1_ins->parity = 0; - /* fall through */ + fallthrough; case AIC_OP_ROL: { int i, count; diff --git a/drivers/scsi/aic7xxx/aic79xx_osm.c b/drivers/scsi/aic7xxx/aic79xx_osm.c index d019e3f2bb9b3c..7c321303969eb0 100644 --- a/drivers/scsi/aic7xxx/aic79xx_osm.c +++ b/drivers/scsi/aic7xxx/aic79xx_osm.c @@ -2035,7 +2035,7 @@ ahd_linux_queue_cmd_complete(struct ahd_softc *ahd, struct scsi_cmnd *cmd) break; case CAM_AUTOSENSE_FAIL: new_status = DID_ERROR; - /* Fallthrough */ + fallthrough; case CAM_SCSI_STATUS_ERROR: scsi_status = ahd_cmd_get_scsi_status(cmd); diff --git a/drivers/scsi/aic7xxx/aic7xxx_core.c b/drivers/scsi/aic7xxx/aic7xxx_core.c index 3d4df906fa4f4e..2231c4afa531bb 100644 --- a/drivers/scsi/aic7xxx/aic7xxx_core.c +++ b/drivers/scsi/aic7xxx/aic7xxx_core.c @@ -2404,7 +2404,7 @@ ahc_validate_width(struct ahc_softc *ahc, struct ahc_initiator_tinfo *tinfo, *bus_width = MSG_EXT_WDTR_BUS_16_BIT; break; } - /* FALLTHROUGH */ + fallthrough; case MSG_EXT_WDTR_BUS_8_BIT: *bus_width = MSG_EXT_WDTR_BUS_8_BIT; break; @@ -3599,7 +3599,7 @@ ahc_parse_msg(struct ahc_softc *ahc, struct ahc_devinfo *devinfo) break; case MSG_MESSAGE_REJECT: response = ahc_handle_msg_reject(ahc, devinfo); - /* FALLTHROUGH */ + fallthrough; case MSG_NOOP: done = MSGLOOP_MSGCOMPLETE; break; @@ -4465,17 +4465,17 @@ ahc_free(struct ahc_softc *ahc) default: case 5: ahc_shutdown(ahc); - /* FALLTHROUGH */ + fallthrough; case 4: ahc_dmamap_unload(ahc, ahc->shared_data_dmat, ahc->shared_data_dmamap); - /* FALLTHROUGH */ + fallthrough; case 3: ahc_dmamem_free(ahc, ahc->shared_data_dmat, ahc->qoutfifo, ahc->shared_data_dmamap); ahc_dmamap_destroy(ahc, ahc->shared_data_dmat, ahc->shared_data_dmamap); - /* FALLTHROUGH */ + fallthrough; case 2: ahc_dma_tag_destroy(ahc, ahc->shared_data_dmat); case 1: @@ -4893,30 +4893,30 @@ ahc_fini_scbdata(struct ahc_softc *ahc) } ahc_dma_tag_destroy(ahc, scb_data->sg_dmat); } - /* fall through */ + fallthrough; case 6: ahc_dmamap_unload(ahc, scb_data->sense_dmat, scb_data->sense_dmamap); - /* fall through */ + fallthrough; case 5: ahc_dmamem_free(ahc, scb_data->sense_dmat, scb_data->sense, scb_data->sense_dmamap); ahc_dmamap_destroy(ahc, scb_data->sense_dmat, scb_data->sense_dmamap); - /* fall through */ + fallthrough; case 4: ahc_dma_tag_destroy(ahc, scb_data->sense_dmat); - /* fall through */ + fallthrough; case 3: ahc_dmamap_unload(ahc, scb_data->hscb_dmat, scb_data->hscb_dmamap); - /* fall through */ + fallthrough; case 2: ahc_dmamem_free(ahc, scb_data->hscb_dmat, scb_data->hscbs, scb_data->hscb_dmamap); ahc_dmamap_destroy(ahc, scb_data->hscb_dmat, scb_data->hscb_dmamap); - /* fall through */ + fallthrough; case 1: ahc_dma_tag_destroy(ahc, scb_data->hscb_dmat); break; @@ -5981,7 +5981,7 @@ ahc_search_qinfifo(struct ahc_softc *ahc, int target, char channel, printk("Inactive SCB in Waiting List\n"); ahc_done(ahc, scb); } - /* fall through */ + fallthrough; case SEARCH_REMOVE: next = ahc_rem_wscb(ahc, next, prev); break; @@ -6987,7 +6987,7 @@ ahc_download_instr(struct ahc_softc *ahc, u_int instrptr, uint8_t *dconsts) address -= address_offset; fmt3_ins->address = address; } - /* fall through */ + fallthrough; case AIC_OP_OR: case AIC_OP_AND: case AIC_OP_XOR: @@ -7013,7 +7013,7 @@ ahc_download_instr(struct ahc_softc *ahc, u_int instrptr, uint8_t *dconsts) fmt1_ins->opcode = AIC_OP_AND; fmt1_ins->immediate = 0xff; } - /* fall through */ + fallthrough; case AIC_OP_ROL: if ((ahc->features & AHC_ULTRA2) != 0) { int i, count; diff --git a/drivers/scsi/aic94xx/aic94xx_scb.c b/drivers/scsi/aic94xx/aic94xx_scb.c index c264b4b56970b1..e2d880a5f39153 100644 --- a/drivers/scsi/aic94xx/aic94xx_scb.c +++ b/drivers/scsi/aic94xx/aic94xx_scb.c @@ -706,11 +706,11 @@ static void set_speed_mask(u8 *speed_mask, struct asd_phy_desc *pd) switch (pd->max_sas_lrate) { case SAS_LINK_RATE_6_0_GBPS: *speed_mask &= ~SAS_SPEED_60_DIS; - /* fall through*/ + fallthrough; default: case SAS_LINK_RATE_3_0_GBPS: *speed_mask &= ~SAS_SPEED_30_DIS; - /* fall through*/ + fallthrough; case SAS_LINK_RATE_1_5_GBPS: *speed_mask &= ~SAS_SPEED_15_DIS; } @@ -718,7 +718,7 @@ static void set_speed_mask(u8 *speed_mask, struct asd_phy_desc *pd) switch (pd->min_sas_lrate) { case SAS_LINK_RATE_6_0_GBPS: *speed_mask |= SAS_SPEED_30_DIS; - /* fall through*/ + fallthrough; case SAS_LINK_RATE_3_0_GBPS: *speed_mask |= SAS_SPEED_15_DIS; default: @@ -730,7 +730,7 @@ static void set_speed_mask(u8 *speed_mask, struct asd_phy_desc *pd) switch (pd->max_sata_lrate) { case SAS_LINK_RATE_3_0_GBPS: *speed_mask &= ~SATA_SPEED_30_DIS; - /* fall through*/ + fallthrough; default: case SAS_LINK_RATE_1_5_GBPS: *speed_mask &= ~SATA_SPEED_15_DIS; @@ -789,7 +789,7 @@ void asd_build_control_phy(struct asd_ascb *ascb, int phy_id, u8 subfunc) /* link reset retries, this should be nominal */ control_phy->link_reset_retries = 10; - /* fall through */ + fallthrough; case RELEASE_SPINUP_HOLD: /* 0x02 */ /* decide the func_mask */ diff --git a/drivers/scsi/aic94xx/aic94xx_tmf.c b/drivers/scsi/aic94xx/aic94xx_tmf.c index 1fcee65193a33e..0eb6e206a2b48f 100644 --- a/drivers/scsi/aic94xx/aic94xx_tmf.c +++ b/drivers/scsi/aic94xx/aic94xx_tmf.c @@ -490,7 +490,7 @@ int asd_abort_task(struct sas_task *task) switch (tcs.dl_opcode) { default: res = asd_clear_nexus(task); - /* fallthrough */ + fallthrough; case TC_NO_ERROR: break; /* The task hasn't been sent to the device xor diff --git a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c index fa562a085600de..ec895d0319f02f 100644 --- a/drivers/scsi/arcmsr/arcmsr_hba.c +++ b/drivers/scsi/arcmsr/arcmsr_hba.c @@ -4470,7 +4470,7 @@ static const char *arcmsr_info(struct Scsi_Host *host) case PCI_DEVICE_ID_ARECA_1202: case PCI_DEVICE_ID_ARECA_1210: raid6 = 0; - /*FALLTHRU*/ + fallthrough; case PCI_DEVICE_ID_ARECA_1120: case PCI_DEVICE_ID_ARECA_1130: case PCI_DEVICE_ID_ARECA_1160: diff --git a/drivers/scsi/arm/fas216.c b/drivers/scsi/arm/fas216.c index 6c68c230363834..2e687ce6075383 100644 --- a/drivers/scsi/arm/fas216.c +++ b/drivers/scsi/arm/fas216.c @@ -603,7 +603,7 @@ static void fas216_handlesync(FAS216_Info *info, char *msg) msgqueue_flush(&info->scsi.msgs); msgqueue_addmsg(&info->scsi.msgs, 1, MESSAGE_REJECT); info->scsi.phase = PHASE_MSGOUT_EXPECT; - /* fall through */ + fallthrough; case async: dev->period = info->ifcfg.asyncperiod / 4; @@ -916,7 +916,7 @@ static void fas216_disconnect_intr(FAS216_Info *info) fas216_done(info, DID_ABORT); break; } - /* else, fall through */ + fallthrough; default: /* huh? */ printk(KERN_ERR "scsi%d.%c: unexpected disconnect in phase %s\n", @@ -1413,7 +1413,7 @@ static void fas216_busservice_intr(FAS216_Info *info, unsigned int stat, unsigne case STATE(STAT_STATUS, PHASE_DATAOUT): /* Data Out -> Status */ case STATE(STAT_STATUS, PHASE_DATAIN): /* Data In -> Status */ fas216_stoptransfer(info); - /* fall through */ + fallthrough; case STATE(STAT_STATUS, PHASE_SELSTEPS):/* Sel w/ steps -> Status */ case STATE(STAT_STATUS, PHASE_MSGOUT): /* Message Out -> Status */ @@ -1426,7 +1426,7 @@ static void fas216_busservice_intr(FAS216_Info *info, unsigned int stat, unsigne case STATE(STAT_MESGIN, PHASE_DATAOUT): /* Data Out -> Message In */ case STATE(STAT_MESGIN, PHASE_DATAIN): /* Data In -> Message In */ fas216_stoptransfer(info); - /* fall through */ + fallthrough; case STATE(STAT_MESGIN, PHASE_COMMAND): /* Command -> Message In */ case STATE(STAT_MESGIN, PHASE_SELSTEPS):/* Sel w/ steps -> Message In */ @@ -1581,7 +1581,7 @@ static void fas216_funcdone_intr(FAS216_Info *info, unsigned int stat, unsigned fas216_message(info); break; } - /* else, fall through */ + fallthrough; default: fas216_log(info, 0, "internal phase %s for function done?" @@ -1964,7 +1964,7 @@ static void fas216_kick(FAS216_Info *info) switch (where_from) { case TYPE_QUEUE: fas216_allocate_tag(info, SCpnt); - /* fall through */ + fallthrough; case TYPE_OTHER: fas216_start_command(info, SCpnt); break; diff --git a/drivers/scsi/be2iscsi/be_iscsi.c b/drivers/scsi/be2iscsi/be_iscsi.c index 93da6344424dd7..a13c203ef7a9a8 100644 --- a/drivers/scsi/be2iscsi/be_iscsi.c +++ b/drivers/scsi/be2iscsi/be_iscsi.c @@ -677,7 +677,7 @@ int beiscsi_set_param(struct iscsi_cls_conn *cls_conn, case ISCSI_PARAM_MAX_XMIT_DLENGTH: if (conn->max_xmit_dlength > 65536) conn->max_xmit_dlength = 65536; - /* fall through */ + fallthrough; default: return 0; } diff --git a/drivers/scsi/be2iscsi/be_main.c b/drivers/scsi/be2iscsi/be_main.c index 8dc2e0824ad782..5c3513a4b450ed 100644 --- a/drivers/scsi/be2iscsi/be_main.c +++ b/drivers/scsi/be2iscsi/be_main.c @@ -1532,7 +1532,7 @@ beiscsi_hdl_get_handle(struct beiscsi_conn *beiscsi_conn, break; case UNSOL_DATA_DIGEST_ERROR_NOTIFY: error = 1; - /* fall through */ + fallthrough; case UNSOL_DATA_NOTIFY: pasync_handle = pasync_ctx->async_entry[ci].data; break; diff --git a/drivers/scsi/bfa/bfa_fcpim.c b/drivers/scsi/bfa/bfa_fcpim.c index 29f99561dfc3ad..38d1c453074dc1 100644 --- a/drivers/scsi/bfa/bfa_fcpim.c +++ b/drivers/scsi/bfa/bfa_fcpim.c @@ -2572,7 +2572,7 @@ bfa_ioim_send_ioreq(struct bfa_ioim_s *ioim) case FCP_IODIR_RW: bfa_stats(itnim, input_reqs); bfa_stats(itnim, output_reqs); - /* fall through */ + fallthrough; default: bfi_h2i_set(m->mh, BFI_MC_IOIM_IO, 0, bfa_fn_lpu(ioim->bfa)); } @@ -2807,7 +2807,7 @@ bfa_ioim_isr(struct bfa_s *bfa, struct bfi_msg_s *m) case BFI_IOIM_STS_TIMEDOUT: bfa_stats(ioim->itnim, iocomp_timedout); - /* fall through */ + fallthrough; case BFI_IOIM_STS_ABORTED: rsp->io_status = BFI_IOIM_STS_ABORTED; bfa_stats(ioim->itnim, iocomp_aborted); @@ -3203,7 +3203,7 @@ bfa_tskim_sm_cleanup_qfull(struct bfa_tskim_s *tskim, switch (event) { case BFA_TSKIM_SM_DONE: bfa_reqq_wcancel(&tskim->reqq_wait); - /* fall through */ + fallthrough; case BFA_TSKIM_SM_QRESUME: bfa_sm_set_state(tskim, bfa_tskim_sm_cleanup); bfa_tskim_send_abort(tskim); diff --git a/drivers/scsi/bfa/bfa_fcs_lport.c b/drivers/scsi/bfa/bfa_fcs_lport.c index 297a77f5806ccf..3486e402bfc1f3 100644 --- a/drivers/scsi/bfa/bfa_fcs_lport.c +++ b/drivers/scsi/bfa/bfa_fcs_lport.c @@ -6422,7 +6422,7 @@ bfa_fcs_vport_sm_logo_for_stop(struct bfa_fcs_vport_s *vport, switch (event) { case BFA_FCS_VPORT_SM_OFFLINE: bfa_sm_send_event(vport->lps, BFA_LPS_SM_OFFLINE); - /* fall through */ + fallthrough; case BFA_FCS_VPORT_SM_RSP_OK: case BFA_FCS_VPORT_SM_RSP_ERROR: @@ -6448,7 +6448,7 @@ bfa_fcs_vport_sm_logo(struct bfa_fcs_vport_s *vport, switch (event) { case BFA_FCS_VPORT_SM_OFFLINE: bfa_sm_send_event(vport->lps, BFA_LPS_SM_OFFLINE); - /* fall through */ + fallthrough; case BFA_FCS_VPORT_SM_RSP_OK: case BFA_FCS_VPORT_SM_RSP_ERROR: diff --git a/drivers/scsi/bfa/bfa_fcs_rport.c b/drivers/scsi/bfa/bfa_fcs_rport.c index 143c35bd668c26..c21aa37b8adbe4 100644 --- a/drivers/scsi/bfa/bfa_fcs_rport.c +++ b/drivers/scsi/bfa/bfa_fcs_rport.c @@ -419,13 +419,13 @@ bfa_fcs_rport_sm_plogi(struct bfa_fcs_rport_s *rport, enum rport_event event) case RPSM_EVENT_LOGO_RCVD: bfa_fcs_rport_send_logo_acc(rport); - /* fall through */ + fallthrough; case RPSM_EVENT_PRLO_RCVD: if (rport->prlo == BFA_TRUE) bfa_fcs_rport_send_prlo_acc(rport); bfa_fcxp_discard(rport->fcxp); - /* fall through */ + fallthrough; case RPSM_EVENT_FAILED: if (rport->plogi_retries < BFA_FCS_RPORT_MAX_RETRIES) { rport->plogi_retries++; @@ -856,7 +856,7 @@ bfa_fcs_rport_sm_adisc_online(struct bfa_fcs_rport_s *rport, * At least go offline when a PLOGI is received. */ bfa_fcxp_discard(rport->fcxp); - /* fall through */ + fallthrough; case RPSM_EVENT_FAILED: case RPSM_EVENT_ADDRESS_CHANGE: @@ -1042,7 +1042,7 @@ bfa_fcs_rport_sm_fc4_logosend(struct bfa_fcs_rport_s *rport, case RPSM_EVENT_LOGO_RCVD: bfa_fcs_rport_send_logo_acc(rport); - /* fall through */ + fallthrough; case RPSM_EVENT_PRLO_RCVD: if (rport->prlo == BFA_TRUE) bfa_fcs_rport_send_prlo_acc(rport); @@ -1131,7 +1131,7 @@ bfa_fcs_rport_sm_hcb_offline(struct bfa_fcs_rport_s *rport, bfa_fcs_rport_send_plogiacc(rport, NULL); break; } - /* fall through */ + fallthrough; case RPSM_EVENT_ADDRESS_CHANGE: if (!bfa_fcs_lport_is_online(rport->port)) { @@ -1288,7 +1288,7 @@ bfa_fcs_rport_sm_hcb_logosend(struct bfa_fcs_rport_s *rport, case RPSM_EVENT_LOGO_RCVD: bfa_fcs_rport_send_logo_acc(rport); - /* fall through */ + fallthrough; case RPSM_EVENT_PRLO_RCVD: if (rport->prlo == BFA_TRUE) bfa_fcs_rport_send_prlo_acc(rport); @@ -1332,7 +1332,7 @@ bfa_fcs_rport_sm_logo_sending(struct bfa_fcs_rport_s *rport, case RPSM_EVENT_LOGO_RCVD: bfa_fcs_rport_send_logo_acc(rport); - /* fall through */ + fallthrough; case RPSM_EVENT_PRLO_RCVD: if (rport->prlo == BFA_TRUE) bfa_fcs_rport_send_prlo_acc(rport); diff --git a/drivers/scsi/bfa/bfa_ioc.c b/drivers/scsi/bfa/bfa_ioc.c index dd5821dfcac2d6..325ad8a592bbc7 100644 --- a/drivers/scsi/bfa/bfa_ioc.c +++ b/drivers/scsi/bfa/bfa_ioc.c @@ -969,7 +969,7 @@ bfa_iocpf_sm_enabling(struct bfa_iocpf_s *iocpf, enum iocpf_event event) case IOCPF_E_INITFAIL: bfa_iocpf_timer_stop(ioc); - /* fall through */ + fallthrough; case IOCPF_E_TIMEOUT: writel(1, ioc->ioc_regs.ioc_sem_reg); @@ -1045,7 +1045,7 @@ bfa_iocpf_sm_disabling(struct bfa_iocpf_s *iocpf, enum iocpf_event event) case IOCPF_E_FAIL: bfa_iocpf_timer_stop(ioc); - /* fall through */ + fallthrough; case IOCPF_E_TIMEOUT: bfa_ioc_set_cur_ioc_fwstate(ioc, BFI_IOC_FAIL); @@ -5988,7 +5988,7 @@ bfa_dconf_sm_final_sync(struct bfa_dconf_mod_s *dconf, case BFA_DCONF_SM_IOCDISABLE: case BFA_DCONF_SM_FLASH_COMP: bfa_timer_stop(&dconf->timer); - /* fall through */ + fallthrough; case BFA_DCONF_SM_TIMEOUT: bfa_sm_set_state(dconf, bfa_dconf_sm_uninit); bfa_fsm_send_event(&dconf->bfa->iocfc, IOCFC_E_DCONF_DONE); diff --git a/drivers/scsi/bfa/bfa_svc.c b/drivers/scsi/bfa/bfa_svc.c index 1e266c1ef7938f..11c0c3e6f014ff 100644 --- a/drivers/scsi/bfa/bfa_svc.c +++ b/drivers/scsi/bfa/bfa_svc.c @@ -6397,7 +6397,7 @@ bfa_dport_sm_starting(struct bfa_dport_s *dport, enum bfa_dport_sm_event event) dport->test_state = BFA_DPORT_ST_INP; bfa_dport_result_start(dport, BFA_DPORT_OPMODE_MANU); } - /* fall thru */ + fallthrough; case BFA_DPORT_SM_REQFAIL: bfa_sm_set_state(dport, bfa_dport_sm_enabled); diff --git a/drivers/scsi/bnx2fc/bnx2fc_hwi.c b/drivers/scsi/bnx2fc/bnx2fc_hwi.c index e72d7bb7f4f42f..08992095ce7ae2 100644 --- a/drivers/scsi/bnx2fc/bnx2fc_hwi.c +++ b/drivers/scsi/bnx2fc/bnx2fc_hwi.c @@ -1404,7 +1404,6 @@ void bnx2fc_indicate_kcqe(void *context, struct kcqe *kcq[], break; case FCOE_KCQE_OPCODE_FCOE_ERROR: - /* fall thru */ default: printk(KERN_ERR PFX "unknown opcode 0x%x\n", kcqe->op_code); diff --git a/drivers/scsi/csiostor/csio_hw.c b/drivers/scsi/csiostor/csio_hw.c index 98d4d39aaa5724..7fa20609d5e7f5 100644 --- a/drivers/scsi/csiostor/csio_hw.c +++ b/drivers/scsi/csiostor/csio_hw.c @@ -2939,7 +2939,7 @@ csio_hws_quiescing(struct csio_hw *hw, enum csio_hw_ev evt) case CSIO_HWE_FW_DLOAD: csio_set_state(&hw->sm, csio_hws_resetting); /* Download firmware */ - /* Fall through */ + fallthrough; case CSIO_HWE_HBA_RESET: csio_set_state(&hw->sm, csio_hws_resetting); diff --git a/drivers/scsi/csiostor/csio_lnode.c b/drivers/scsi/csiostor/csio_lnode.c index 61cf54208451a5..dc98f51f466fb3 100644 --- a/drivers/scsi/csiostor/csio_lnode.c +++ b/drivers/scsi/csiostor/csio_lnode.c @@ -1187,7 +1187,6 @@ csio_lns_online(struct csio_lnode *ln, enum csio_ln_ev evt) break; case CSIO_LNE_LINK_DOWN: - /* Fall through */ case CSIO_LNE_DOWN_LINK: csio_set_state(&ln->sm, csio_lns_uninit); if (csio_is_phys_ln(ln)) { diff --git a/drivers/scsi/csiostor/csio_wr.c b/drivers/scsi/csiostor/csio_wr.c index 0ca695110f5493..9010cb6045dc54 100644 --- a/drivers/scsi/csiostor/csio_wr.c +++ b/drivers/scsi/csiostor/csio_wr.c @@ -808,7 +808,7 @@ csio_wr_destroy_queues(struct csio_hw *hw, bool cmd) csio_q_eqid(hw, i) = CSIO_MAX_QID; } - /* fall through */ + fallthrough; case CSIO_INGRESS: if (csio_q_iqid(hw, i) != CSIO_MAX_QID) { csio_wr_cleanup_iq_ftr(hw, i); diff --git a/drivers/scsi/cxgbi/cxgb3i/cxgb3i.c b/drivers/scsi/cxgbi/cxgb3i/cxgb3i.c index 2b48954b6b1ef5..37d99357120fae 100644 --- a/drivers/scsi/cxgbi/cxgb3i/cxgb3i.c +++ b/drivers/scsi/cxgbi/cxgb3i/cxgb3i.c @@ -643,7 +643,7 @@ static int abort_status_to_errno(struct cxgbi_sock *csk, int abort_reason, int *need_rst) { switch (abort_reason) { - case CPL_ERR_BAD_SYN: /* fall through */ + case CPL_ERR_BAD_SYN: case CPL_ERR_CONN_RESET: return csk->state > CTP_ESTABLISHED ? -EPIPE : -ECONNRESET; case CPL_ERR_XMIT_TIMEDOUT: diff --git a/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c b/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c index 4e82c14cb795e1..2c3491528d4245 100644 --- a/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c +++ b/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c @@ -1133,7 +1133,7 @@ static int abort_status_to_errno(struct cxgbi_sock *csk, int abort_reason, int *need_rst) { switch (abort_reason) { - case CPL_ERR_BAD_SYN: /* fall through */ + case CPL_ERR_BAD_SYN: case CPL_ERR_CONN_RESET: return csk->state > CTP_ESTABLISHED ? -EPIPE : -ECONNRESET; diff --git a/drivers/scsi/cxgbi/libcxgbi.c b/drivers/scsi/cxgbi/libcxgbi.c index 71aebaf533ea54..0e8621a6956dcc 100644 --- a/drivers/scsi/cxgbi/libcxgbi.c +++ b/drivers/scsi/cxgbi/libcxgbi.c @@ -2457,10 +2457,10 @@ int cxgbi_conn_xmit_pdu(struct iscsi_task *task) return err; } - __kfree_skb(skb); log_debug(1 << CXGBI_DBG_ISCSI | 1 << CXGBI_DBG_PDU_TX, "itt 0x%x, skb 0x%p, len %u/%u, xmit err %d.\n", task->itt, skb, skb->len, skb->data_len, err); + __kfree_skb(skb); iscsi_conn_printk(KERN_ERR, task->conn, "xmit err %d.\n", err); iscsi_conn_failure(task->conn, ISCSI_ERR_XMIT_FAILED); return err; diff --git a/drivers/scsi/cxlflash/main.c b/drivers/scsi/cxlflash/main.c index 94250ebe9e803c..e72440d919d2aa 100644 --- a/drivers/scsi/cxlflash/main.c +++ b/drivers/scsi/cxlflash/main.c @@ -748,16 +748,16 @@ static void term_intr(struct cxlflash_cfg *cfg, enum undo_level level, /* SISL_MSI_ASYNC_ERROR is setup only for the primary HWQ */ if (index == PRIMARY_HWQ) cfg->ops->unmap_afu_irq(hwq->ctx_cookie, 3, hwq); - /* fall through */ + fallthrough; case UNMAP_TWO: cfg->ops->unmap_afu_irq(hwq->ctx_cookie, 2, hwq); - /* fall through */ + fallthrough; case UNMAP_ONE: cfg->ops->unmap_afu_irq(hwq->ctx_cookie, 1, hwq); - /* fall through */ + fallthrough; case FREE_IRQ: cfg->ops->free_afu_irqs(hwq->ctx_cookie); - /* fall through */ + fallthrough; case UNDO_NOOP: /* No action required */ break; @@ -971,18 +971,18 @@ static void cxlflash_remove(struct pci_dev *pdev) switch (cfg->init_state) { case INIT_STATE_CDEV: cxlflash_release_chrdev(cfg); - /* fall through */ + fallthrough; case INIT_STATE_SCSI: cxlflash_term_local_luns(cfg); scsi_remove_host(cfg->host); - /* fall through */ + fallthrough; case INIT_STATE_AFU: term_afu(cfg); - /* fall through */ + fallthrough; case INIT_STATE_PCI: cfg->ops->destroy_afu(cfg->afu_cookie); pci_disable_device(pdev); - /* fall through */ + fallthrough; case INIT_STATE_NONE: free_mem(cfg); scsi_host_put(cfg->host); @@ -2355,11 +2355,11 @@ retry: cxlflash_schedule_async_reset(cfg); break; } - /* fall through - to retry */ + fallthrough; /* to retry */ case -EAGAIN: if (++nretry < 2) goto retry; - /* fall through - to exit */ + fallthrough; /* to exit */ default: break; } @@ -2533,12 +2533,12 @@ static int cxlflash_eh_host_reset_handler(struct scsi_cmnd *scp) cfg->state = STATE_NORMAL; wake_up_all(&cfg->reset_waitq); ssleep(1); - /* fall through */ + fallthrough; case STATE_RESET: wait_event(cfg->reset_waitq, cfg->state != STATE_RESET); if (cfg->state == STATE_NORMAL) break; - /* fall through */ + fallthrough; default: rc = FAILED; break; @@ -3019,7 +3019,7 @@ retry: wait_event(cfg->reset_waitq, cfg->state != STATE_RESET); if (cfg->state == STATE_NORMAL) goto retry; - /* else, fall through */ + fallthrough; default: /* Ideally should not happen */ dev_err(dev, "%s: Device is not ready, state=%d\n", @@ -3531,7 +3531,7 @@ static long cxlflash_chr_ioctl(struct file *file, unsigned int cmd, if (likely(do_ioctl)) break; - /* fall through */ + fallthrough; default: rc = -EINVAL; goto out; diff --git a/drivers/scsi/cxlflash/superpipe.c b/drivers/scsi/cxlflash/superpipe.c index 593669ac366944..5dddf67dfa24a5 100644 --- a/drivers/scsi/cxlflash/superpipe.c +++ b/drivers/scsi/cxlflash/superpipe.c @@ -375,14 +375,13 @@ retry: switch (sshdr.sense_key) { case NO_SENSE: case RECOVERED_ERROR: - /* fall through */ case NOT_READY: result &= ~SAM_STAT_CHECK_CONDITION; break; case UNIT_ATTENTION: switch (sshdr.asc) { case 0x29: /* Power on Reset or Device Reset */ - /* fall through */ + fallthrough; case 0x2A: /* Device capacity changed */ case 0x3F: /* Report LUNs changed */ /* Retry the command once more */ @@ -1791,13 +1790,12 @@ static int process_sense(struct scsi_device *sdev, switch (sshdr.sense_key) { case NO_SENSE: case RECOVERED_ERROR: - /* fall through */ case NOT_READY: break; case UNIT_ATTENTION: switch (sshdr.asc) { case 0x29: /* Power on Reset or Device Reset */ - /* fall through */ + fallthrough; case 0x2A: /* Device settings/capacity changed */ rc = read_cap16(sdev, lli); if (rc) { @@ -2157,7 +2155,7 @@ int cxlflash_ioctl(struct scsi_device *sdev, unsigned int cmd, void __user *arg) if (unlikely(rc)) goto cxlflash_ioctl_exit; - /* fall through */ + fallthrough; case DK_CXLFLASH_MANAGE_LUN: known_ioctl = true; @@ -2168,7 +2166,7 @@ int cxlflash_ioctl(struct scsi_device *sdev, unsigned int cmd, void __user *arg) if (likely(do_ioctl)) break; - /* fall through */ + fallthrough; default: rc = -EINVAL; goto cxlflash_ioctl_exit; diff --git a/drivers/scsi/device_handler/scsi_dh_hp_sw.c b/drivers/scsi/device_handler/scsi_dh_hp_sw.c index 8acd4bb9fefbb4..4a3f7831a2d648 100644 --- a/drivers/scsi/device_handler/scsi_dh_hp_sw.c +++ b/drivers/scsi/device_handler/scsi_dh_hp_sw.c @@ -60,7 +60,7 @@ static int tur_done(struct scsi_device *sdev, struct hp_sw_dh_data *h, ret = SCSI_DH_OK; break; } - /* Fallthrough */ + fallthrough; default: sdev_printk(KERN_WARNING, sdev, "%s: sending tur failed, sense %x/%x/%x\n", @@ -147,7 +147,7 @@ retry: rc = SCSI_DH_RETRY; break; } - /* fall through */ + fallthrough; default: sdev_printk(KERN_WARNING, sdev, "%s: sending start_stop_unit failed, " diff --git a/drivers/scsi/esas2r/esas2r_flash.c b/drivers/scsi/esas2r/esas2r_flash.c index b02ac389e6c605..429d64299fe946 100644 --- a/drivers/scsi/esas2r/esas2r_flash.c +++ b/drivers/scsi/esas2r/esas2r_flash.c @@ -1500,7 +1500,7 @@ bool esas2r_fm_api(struct esas2r_adapter *a, struct esas2r_flash_img *fi, return complete_fmapi_req(a, rq, FI_STAT_SUCCESS); } - /* fall through */ + fallthrough; case FI_ACT_UP: /* Upload the components */ default: diff --git a/drivers/scsi/esas2r/esas2r_init.c b/drivers/scsi/esas2r/esas2r_init.c index eb7d139ffc00ba..09c5c24bf391fd 100644 --- a/drivers/scsi/esas2r/esas2r_init.c +++ b/drivers/scsi/esas2r/esas2r_init.c @@ -1236,7 +1236,7 @@ static bool esas2r_format_init_msg(struct esas2r_adapter *a, a->init_msg = ESAS2R_INIT_MSG_GET_INIT; break; } - /* fall through */ + fallthrough; case ESAS2R_INIT_MSG_GET_INIT: if (msg == ESAS2R_INIT_MSG_GET_INIT) { @@ -1250,7 +1250,7 @@ static bool esas2r_format_init_msg(struct esas2r_adapter *a, esas2r_hdebug("FAILED"); } } - /* fall through */ + fallthrough; default: rq->req_stat = RS_SUCCESS; diff --git a/drivers/scsi/esp_scsi.c b/drivers/scsi/esp_scsi.c index 89afa31e33cba8..43a1fd11df5ed2 100644 --- a/drivers/scsi/esp_scsi.c +++ b/drivers/scsi/esp_scsi.c @@ -307,7 +307,7 @@ static void esp_reset_esp(struct esp *esp) case FASHME: esp->config2 |= (ESP_CONFIG2_HME32 | ESP_CONFIG2_HMEFENAB); - /* fallthrough... */ + fallthrough; case FAS236: case PCSCSI: @@ -1741,7 +1741,7 @@ again: case ESP_EVENT_DATA_IN: write = 1; - /* fallthru */ + fallthrough; case ESP_EVENT_DATA_OUT: { struct esp_cmd_entry *ent = esp->active_cmd; diff --git a/drivers/scsi/fcoe/fcoe_ctlr.c b/drivers/scsi/fcoe/fcoe_ctlr.c index 1409c7687853c9..5ea426effa6096 100644 --- a/drivers/scsi/fcoe/fcoe_ctlr.c +++ b/drivers/scsi/fcoe/fcoe_ctlr.c @@ -450,10 +450,10 @@ void fcoe_ctlr_link_up(struct fcoe_ctlr *fip) switch (fip->mode) { default: LIBFCOE_FIP_DBG(fip, "invalid mode %d\n", fip->mode); - /* fall-through */ + fallthrough; case FIP_MODE_AUTO: LIBFCOE_FIP_DBG(fip, "%s", "setting AUTO mode.\n"); - /* fall-through */ + fallthrough; case FIP_MODE_FABRIC: case FIP_MODE_NON_FIP: mutex_unlock(&fip->ctlr_mutex); @@ -773,7 +773,7 @@ int fcoe_ctlr_els_send(struct fcoe_ctlr *fip, struct fc_lport *lport, fc_fcoe_set_mac(mac, fh->fh_d_id); fip->update_mac(lport, mac); } - /* fall through */ + fallthrough; case ELS_LS_RJT: op = fr_encaps(fp); if (op) @@ -2439,7 +2439,7 @@ static void fcoe_ctlr_vn_probe_req(struct fcoe_ctlr *fip, frport->enode_mac, 0); break; } - /* fall through */ + fallthrough; case FIP_ST_VNMP_START: LIBFCOE_FIP_DBG(fip, "vn_probe_req: " "restart VN2VN negotiation\n"); diff --git a/drivers/scsi/g_NCR5380.c b/drivers/scsi/g_NCR5380.c index 2cc676e3df6a74..29e4cdcade7201 100644 --- a/drivers/scsi/g_NCR5380.c +++ b/drivers/scsi/g_NCR5380.c @@ -340,7 +340,7 @@ static int generic_NCR5380_init_one(struct scsi_host_template *tpnt, break; case BOARD_DTC3181E: hostdata->io_width = 2; /* 16-bit PDMA */ - /* fall through */ + fallthrough; case BOARD_NCR53C400A: case BOARD_HP_C2502: hostdata->c400_ctl_status = 9; diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c index 11caa4b0d79773..d9d21d23372e54 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_main.c +++ b/drivers/scsi/hisi_sas/hisi_sas_main.c @@ -1144,7 +1144,7 @@ static int hisi_sas_control_phy(struct asd_sas_phy *sas_phy, enum phy_func func, hisi_hba->hw->get_events(hisi_hba, phy_no); break; } - /* fallthru */ + fallthrough; case PHY_FUNC_RELEASE_SPINUP_HOLD: default: return -EOPNOTSUPP; diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c index 91794a50b31fe5..48d5da59262b43 100644 --- a/drivers/scsi/hpsa.c +++ b/drivers/scsi/hpsa.c @@ -4697,7 +4697,7 @@ static int fixup_ioaccel_cdb(u8 *cdb, int *cdb_len) case WRITE_6: case WRITE_12: is_write = 1; - /* fall through */ + fallthrough; case READ_6: case READ_12: if (*cdb_len == 6) { @@ -5147,7 +5147,7 @@ static int hpsa_scsi_ioaccel_raid_map(struct ctlr_info *h, switch (cmd->cmnd[0]) { case WRITE_6: is_write = 1; - /* fall through */ + fallthrough; case READ_6: first_block = (((cmd->cmnd[1] & 0x1F) << 16) | (cmd->cmnd[2] << 8) | @@ -5158,7 +5158,7 @@ static int hpsa_scsi_ioaccel_raid_map(struct ctlr_info *h, break; case WRITE_10: is_write = 1; - /* fall through */ + fallthrough; case READ_10: first_block = (((u64) cmd->cmnd[2]) << 24) | @@ -5171,7 +5171,7 @@ static int hpsa_scsi_ioaccel_raid_map(struct ctlr_info *h, break; case WRITE_12: is_write = 1; - /* fall through */ + fallthrough; case READ_12: first_block = (((u64) cmd->cmnd[2]) << 24) | @@ -5186,7 +5186,7 @@ static int hpsa_scsi_ioaccel_raid_map(struct ctlr_info *h, break; case WRITE_16: is_write = 1; - /* fall through */ + fallthrough; case READ_16: first_block = (((u64) cmd->cmnd[2]) << 56) | diff --git a/drivers/scsi/ibmvscsi/ibmvfc.c b/drivers/scsi/ibmvscsi/ibmvfc.c index 77f4d37d5bd625..ea7c8930592dc4 100644 --- a/drivers/scsi/ibmvscsi/ibmvfc.c +++ b/drivers/scsi/ibmvscsi/ibmvfc.c @@ -1866,7 +1866,7 @@ static int ibmvfc_bsg_request(struct bsg_job *job) port_id = (bsg_request->rqst_data.h_els.port_id[0] << 16) | (bsg_request->rqst_data.h_els.port_id[1] << 8) | bsg_request->rqst_data.h_els.port_id[2]; - /* fall through */ + fallthrough; case FC_BSG_RPT_ELS: fc_flags = IBMVFC_FC_ELS; break; @@ -1875,7 +1875,7 @@ static int ibmvfc_bsg_request(struct bsg_job *job) port_id = (bsg_request->rqst_data.h_ct.port_id[0] << 16) | (bsg_request->rqst_data.h_ct.port_id[1] << 8) | bsg_request->rqst_data.h_ct.port_id[2]; - /* fall through */ + fallthrough; case FC_BSG_RPT_CT: fc_flags = IBMVFC_FC_CT_IU; break; @@ -4122,7 +4122,7 @@ static void ibmvfc_npiv_login_done(struct ibmvfc_event *evt) return; case IBMVFC_MAD_CRQ_ERROR: ibmvfc_retry_host_init(vhost); - /* fall through */ + fallthrough; case IBMVFC_MAD_DRIVER_FAILED: ibmvfc_free_event(evt); return; diff --git a/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c b/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c index d9e94e81da0178..cc3908c2d2f943 100644 --- a/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c +++ b/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c @@ -1581,7 +1581,7 @@ static long ibmvscsis_adapter_info(struct scsi_info *vscsi, case H_PERMISSION: if (connection_broken(vscsi)) flag_bits = (RESPONSE_Q_DOWN | CLIENT_FAILED); - /* Fall through */ + fallthrough; default: dev_err(&vscsi->dev, "adapter_info: h_copy_rdma to client failed, rc %ld\n", rc); @@ -2489,10 +2489,10 @@ static long ibmvscsis_ping_response(struct scsi_info *vscsi) break; case H_CLOSED: vscsi->flags |= CLIENT_FAILED; - /* Fall through */ + fallthrough; case H_DROPPED: vscsi->flags |= RESPONSE_Q_DOWN; - /* Fall through */ + fallthrough; case H_REMOTE_PARM: dev_err(&vscsi->dev, "ping_response: h_send_crq failed, rc %ld\n", rc); diff --git a/drivers/scsi/imm.c b/drivers/scsi/imm.c index 1459b146702799..862d35a098cf3c 100644 --- a/drivers/scsi/imm.c +++ b/drivers/scsi/imm.c @@ -801,7 +801,7 @@ static int imm_engine(imm_struct *dev, struct scsi_cmnd *cmd) case 1: /* Phase 1 - Connected */ imm_connect(dev, CONNECT_EPP_MAYBE); cmd->SCp.phase++; - /* fall through */ + fallthrough; case 2: /* Phase 2 - We are now talking to the scsi bus */ if (!imm_select(dev, scmd_id(cmd))) { @@ -809,7 +809,7 @@ static int imm_engine(imm_struct *dev, struct scsi_cmnd *cmd) return 0; } cmd->SCp.phase++; - /* fall through */ + fallthrough; case 3: /* Phase 3 - Ready to accept a command */ w_ctr(ppb, 0x0c); @@ -819,7 +819,7 @@ static int imm_engine(imm_struct *dev, struct scsi_cmnd *cmd) if (!imm_send_command(cmd)) return 0; cmd->SCp.phase++; - /* fall through */ + fallthrough; case 4: /* Phase 4 - Setup scatter/gather buffers */ if (scsi_bufflen(cmd)) { @@ -835,7 +835,7 @@ static int imm_engine(imm_struct *dev, struct scsi_cmnd *cmd) cmd->SCp.phase++; if (cmd->SCp.this_residual & 0x01) cmd->SCp.this_residual++; - /* fall through */ + fallthrough; case 5: /* Phase 5 - Pre-Data transfer stage */ /* Spin lock for BUSY */ @@ -852,7 +852,7 @@ static int imm_engine(imm_struct *dev, struct scsi_cmnd *cmd) if (imm_negotiate(dev)) return 0; cmd->SCp.phase++; - /* fall through */ + fallthrough; case 6: /* Phase 6 - Data transfer stage */ /* Spin lock for BUSY */ @@ -868,7 +868,7 @@ static int imm_engine(imm_struct *dev, struct scsi_cmnd *cmd) return 1; } cmd->SCp.phase++; - /* fall through */ + fallthrough; case 7: /* Phase 7 - Post data transfer stage */ if ((dev->dp) && (dev->rd)) { @@ -880,7 +880,7 @@ static int imm_engine(imm_struct *dev, struct scsi_cmnd *cmd) } } cmd->SCp.phase++; - /* fall through */ + fallthrough; case 8: /* Phase 8 - Read status/message */ /* Check for data overrun */ diff --git a/drivers/scsi/isci/phy.c b/drivers/scsi/isci/phy.c index 7f9b3f20e5e422..4cacb800b53095 100644 --- a/drivers/scsi/isci/phy.c +++ b/drivers/scsi/isci/phy.c @@ -778,7 +778,7 @@ enum sci_status sci_phy_event_handler(struct isci_phy *iphy, u32 event_code) break; case SCU_EVENT_LINK_FAILURE: scu_link_layer_set_txcomsas_timeout(iphy, SCU_SAS_LINK_LAYER_TXCOMSAS_NEGTIME_DEFAULT); - /* fall through */ + fallthrough; case SCU_EVENT_HARD_RESET_RECEIVED: /* Start the oob/sn state machine over again */ sci_change_state(&iphy->sm, SCI_PHY_STARTING); diff --git a/drivers/scsi/isci/remote_device.c b/drivers/scsi/isci/remote_device.c index cd1e4b4d95bbbb..c3f540b5568956 100644 --- a/drivers/scsi/isci/remote_device.c +++ b/drivers/scsi/isci/remote_device.c @@ -310,7 +310,7 @@ static void isci_remote_device_not_ready(struct isci_host *ihost, /* Kill all outstanding requests for the device. */ sci_remote_device_terminate_requests(idev); - /* Fall through - into the default case... */ + fallthrough; /* into the default case */ default: clear_bit(IDEV_IO_READY, &idev->flags); break; @@ -593,7 +593,7 @@ enum sci_status sci_remote_device_event_handler(struct isci_remote_device *idev, break; } - /* fall through - and treat as unhandled... */ + fallthrough; /* and treat as unhandled */ default: dev_dbg(scirdev_to_dev(idev), "%s: device: %p event code: %x: %s\n", diff --git a/drivers/scsi/isci/remote_node_context.c b/drivers/scsi/isci/remote_node_context.c index 474a434609636b..68333f523b351a 100644 --- a/drivers/scsi/isci/remote_node_context.c +++ b/drivers/scsi/isci/remote_node_context.c @@ -225,7 +225,7 @@ static void sci_remote_node_context_continue_state_transitions(struct sci_remote case RNC_DEST_READY: case RNC_DEST_SUSPENDED_RESUME: rnc->destination_state = RNC_DEST_READY; - /* Fall through... */ + fallthrough; case RNC_DEST_FINAL: sci_remote_node_context_resume(rnc, rnc->user_callback, rnc->user_cookie); @@ -601,9 +601,9 @@ enum sci_status sci_remote_node_context_suspend( __func__, sci_rnc); return SCI_FAILURE_INVALID_STATE; } - /* Fall through - and handle like SCI_RNC_POSTING */ + fallthrough; /* and handle like SCI_RNC_POSTING */ case SCI_RNC_RESUMING: - /* Fall through - and handle like SCI_RNC_POSTING */ + fallthrough; /* and handle like SCI_RNC_POSTING */ case SCI_RNC_POSTING: /* Set the destination state to AWAIT - this signals the * entry into the SCI_RNC_READY state that a suspension diff --git a/drivers/scsi/isci/request.c b/drivers/scsi/isci/request.c index 6561a07db18992..6e0817941fa74c 100644 --- a/drivers/scsi/isci/request.c +++ b/drivers/scsi/isci/request.c @@ -894,7 +894,7 @@ sci_io_request_terminate(struct isci_request *ireq) * and don't wait for the task response. */ sci_change_state(&ireq->sm, SCI_REQ_ABORTING); - /* Fall through - and handle like ABORTING... */ + fallthrough; /* and handle like ABORTING */ case SCI_REQ_ABORTING: if (!isci_remote_device_is_safe_to_abort(ireq->target_device)) set_bit(IREQ_PENDING_ABORT, &ireq->flags); diff --git a/drivers/scsi/iscsi_tcp.c b/drivers/scsi/iscsi_tcp.c index b5dd1caae5e92d..d10efb66cf1935 100644 --- a/drivers/scsi/iscsi_tcp.c +++ b/drivers/scsi/iscsi_tcp.c @@ -736,6 +736,7 @@ static int iscsi_sw_tcp_conn_get_param(struct iscsi_cls_conn *cls_conn, struct iscsi_tcp_conn *tcp_conn = conn->dd_data; struct iscsi_sw_tcp_conn *tcp_sw_conn = tcp_conn->dd_data; struct sockaddr_in6 addr; + struct socket *sock; int rc; switch(param) { @@ -747,13 +748,17 @@ static int iscsi_sw_tcp_conn_get_param(struct iscsi_cls_conn *cls_conn, spin_unlock_bh(&conn->session->frwd_lock); return -ENOTCONN; } + sock = tcp_sw_conn->sock; + sock_hold(sock->sk); + spin_unlock_bh(&conn->session->frwd_lock); + if (param == ISCSI_PARAM_LOCAL_PORT) - rc = kernel_getsockname(tcp_sw_conn->sock, + rc = kernel_getsockname(sock, (struct sockaddr *)&addr); else - rc = kernel_getpeername(tcp_sw_conn->sock, + rc = kernel_getpeername(sock, (struct sockaddr *)&addr); - spin_unlock_bh(&conn->session->frwd_lock); + sock_put(sock->sk); if (rc < 0) return rc; @@ -775,6 +780,7 @@ static int iscsi_sw_tcp_host_get_param(struct Scsi_Host *shost, struct iscsi_tcp_conn *tcp_conn; struct iscsi_sw_tcp_conn *tcp_sw_conn; struct sockaddr_in6 addr; + struct socket *sock; int rc; switch (param) { @@ -789,16 +795,18 @@ static int iscsi_sw_tcp_host_get_param(struct Scsi_Host *shost, return -ENOTCONN; } tcp_conn = conn->dd_data; - tcp_sw_conn = tcp_conn->dd_data; - if (!tcp_sw_conn->sock) { + sock = tcp_sw_conn->sock; + if (!sock) { spin_unlock_bh(&session->frwd_lock); return -ENOTCONN; } + sock_hold(sock->sk); + spin_unlock_bh(&session->frwd_lock); - rc = kernel_getsockname(tcp_sw_conn->sock, + rc = kernel_getsockname(sock, (struct sockaddr *)&addr); - spin_unlock_bh(&session->frwd_lock); + sock_put(sock->sk); if (rc < 0) return rc; diff --git a/drivers/scsi/libfc/fc_disc.c b/drivers/scsi/libfc/fc_disc.c index d8cbc9c0e766b1..e67abb184a8a0f 100644 --- a/drivers/scsi/libfc/fc_disc.c +++ b/drivers/scsi/libfc/fc_disc.c @@ -634,8 +634,6 @@ free_fp: fc_frame_free(fp); out: kref_put(&rdata->kref, fc_rport_destroy); - if (!IS_ERR(fp)) - fc_frame_free(fp); } /** diff --git a/drivers/scsi/libfc/fc_exch.c b/drivers/scsi/libfc/fc_exch.c index 16eb3b60ed5825..96a2952cf626bf 100644 --- a/drivers/scsi/libfc/fc_exch.c +++ b/drivers/scsi/libfc/fc_exch.c @@ -2108,7 +2108,7 @@ static void fc_exch_rrq_resp(struct fc_seq *sp, struct fc_frame *fp, void *arg) switch (op) { case ELS_LS_RJT: FC_EXCH_DBG(aborted_ep, "LS_RJT for RRQ\n"); - /* fall through */ + fallthrough; case ELS_LS_ACC: goto cleanup; default: @@ -2622,7 +2622,7 @@ void fc_exch_recv(struct fc_lport *lport, struct fc_frame *fp) case FC_EOF_T: if (f_ctl & FC_FC_END_SEQ) skb_trim(fp_skb(fp), fr_len(fp) - FC_FC_FILL(f_ctl)); - /* fall through */ + fallthrough; case FC_EOF_N: if (fh->fh_type == FC_TYPE_BLS) fc_exch_recv_bls(ema->mp, fp); diff --git a/drivers/scsi/libfc/fc_fcp.c b/drivers/scsi/libfc/fc_fcp.c index e11d4f002bd493..7cfeb6886237c0 100644 --- a/drivers/scsi/libfc/fc_fcp.c +++ b/drivers/scsi/libfc/fc_fcp.c @@ -752,7 +752,7 @@ static void fc_fcp_abts_resp(struct fc_fcp_pkt *fsp, struct fc_frame *fp) brp = fc_frame_payload_get(fp, sizeof(*brp)); if (brp && brp->br_reason == FC_BA_RJT_LOG_ERR) break; - /* fall thru */ + fallthrough; default: /* * we will let the command timeout @@ -1536,7 +1536,7 @@ static void fc_fcp_rec_resp(struct fc_seq *seq, struct fc_frame *fp, void *arg) "device %x invalid REC reject %d/%d\n", fsp->rport->port_id, rjt->er_reason, rjt->er_explan); - /* fall through */ + fallthrough; case ELS_RJT_UNSUP: FC_FCP_DBG(fsp, "device does not support REC\n"); rpriv = fsp->rport->dd_data; @@ -1668,7 +1668,7 @@ static void fc_fcp_rec_error(struct fc_fcp_pkt *fsp, struct fc_frame *fp) FC_FCP_DBG(fsp, "REC %p fid %6.6x error unexpected error %d\n", fsp, fsp->rport->port_id, error); fsp->status_code = FC_CMD_PLOGO; - /* fall through */ + fallthrough; case -FC_EX_TIMEOUT: /* @@ -1830,7 +1830,7 @@ static void fc_fcp_srr_error(struct fc_fcp_pkt *fsp, struct fc_frame *fp) break; case -FC_EX_CLOSED: /* e.g., link failure */ FC_FCP_DBG(fsp, "SRR error, exchange closed\n"); - /* fall through */ + fallthrough; default: fc_fcp_retry_cmd(fsp, FC_ERROR); break; diff --git a/drivers/scsi/libfc/fc_lport.c b/drivers/scsi/libfc/fc_lport.c index b84dbc316df151..6557fda85c5c71 100644 --- a/drivers/scsi/libfc/fc_lport.c +++ b/drivers/scsi/libfc/fc_lport.c @@ -1578,7 +1578,7 @@ static void fc_lport_timeout(struct work_struct *work) case LPORT_ST_DPRT: FC_LPORT_DBG(lport, "Skipping lport state %s to SCR\n", fc_lport_state(lport)); - /* fall thru */ + fallthrough; case LPORT_ST_SCR: fc_lport_enter_scr(lport); break; diff --git a/drivers/scsi/libfc/fc_rport.c b/drivers/scsi/libfc/fc_rport.c index 18663a82865f99..a60b228d13f16b 100644 --- a/drivers/scsi/libfc/fc_rport.c +++ b/drivers/scsi/libfc/fc_rport.c @@ -1723,7 +1723,7 @@ static void fc_rport_recv_els_req(struct fc_lport *lport, struct fc_frame *fp) kref_put(&rdata->kref, fc_rport_destroy); goto busy; } - /* fall through */ + fallthrough; default: FC_RPORT_DBG(rdata, "Reject ELS 0x%02x while in state %s\n", diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c index 49c8a1818baf89..1e9c3171fa9f44 100644 --- a/drivers/scsi/libiscsi.c +++ b/drivers/scsi/libiscsi.c @@ -248,7 +248,7 @@ static int iscsi_check_tmf_restrictions(struct iscsi_task *task, int opcode) hdr_lun = scsilun_to_int(&tmf->lun); if (hdr_lun != task->sc->device->lun) return 0; - /* fall through */ + fallthrough; case ISCSI_TM_FUNC_TARGET_WARM_RESET: /* * Fail all SCSI cmd PDUs @@ -1674,7 +1674,7 @@ int iscsi_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *sc) sc->result = DID_NO_CONNECT << 16; break; } - /* fall through */ + fallthrough; case ISCSI_STATE_IN_RECOVERY: reason = FAILURE_SESSION_IN_RECOVERY; sc->result = DID_IMM_RETRY << 16; @@ -2239,7 +2239,7 @@ int iscsi_eh_abort(struct scsi_cmnd *sc) "progress\n"); goto success; } - /* fall through */ + fallthrough; default: conn->tmf_state = TMF_INITIAL; goto failed; diff --git a/drivers/scsi/libiscsi_tcp.c b/drivers/scsi/libiscsi_tcp.c index 6ef93c7af95481..83f14b2c8804b5 100644 --- a/drivers/scsi/libiscsi_tcp.c +++ b/drivers/scsi/libiscsi_tcp.c @@ -128,7 +128,7 @@ static void iscsi_tcp_segment_map(struct iscsi_segment *segment, int recv) * coalescing neighboring slab objects into a single frag which * triggers one of hardened usercopy checks. */ - if (!recv && page_count(sg_page(sg)) >= 1 && !PageSlab(sg_page(sg))) + if (!recv && sendpage_ok(sg_page(sg))) return; if (recv) { @@ -772,7 +772,7 @@ iscsi_tcp_hdr_dissect(struct iscsi_conn *conn, struct iscsi_hdr *hdr) iscsi_tcp_data_recv_prep(tcp_conn); return 0; } - /* fall through */ + fallthrough; case ISCSI_OP_LOGOUT_RSP: case ISCSI_OP_NOOP_IN: case ISCSI_OP_SCSI_TMFUNC_RSP: diff --git a/drivers/scsi/libsas/sas_ata.c b/drivers/scsi/libsas/sas_ata.c index 1b93332daa6b38..a4887985aad6e4 100644 --- a/drivers/scsi/libsas/sas_ata.c +++ b/drivers/scsi/libsas/sas_ata.c @@ -209,7 +209,10 @@ static unsigned int sas_ata_qc_issue(struct ata_queued_cmd *qc) task->num_scatter = si; } - task->data_dir = qc->dma_dir; + if (qc->tf.protocol == ATA_PROT_NODATA) + task->data_dir = DMA_NONE; + else + task->data_dir = qc->dma_dir; task->scatter = qc->sg; task->ata_task.retry_count = 1; task->task_state_flags = SAS_TASK_STATE_PENDING; @@ -324,7 +327,7 @@ static int smp_ata_check_ready(struct ata_link *link) case SAS_END_DEVICE: if (ex_phy->attached_sata_dev) return sas_ata_clear_pending(dev, ex_phy); - /* fall through */ + fallthrough; default: return -ENODEV; } diff --git a/drivers/scsi/libsas/sas_discover.c b/drivers/scsi/libsas/sas_discover.c index daf951b0b3f553..d0f9e90e3279c8 100644 --- a/drivers/scsi/libsas/sas_discover.c +++ b/drivers/scsi/libsas/sas_discover.c @@ -108,7 +108,7 @@ static int sas_get_port_device(struct asd_sas_port *port) rphy = NULL; break; } - /* fall through */ + fallthrough; case SAS_END_DEVICE: rphy = sas_end_device_alloc(port->port); break; @@ -182,10 +182,11 @@ int sas_notify_lldd_dev_found(struct domain_device *dev) pr_warn("driver on host %s cannot handle device %016llx, error:%d\n", dev_name(sas_ha->dev), SAS_ADDR(dev->sas_addr), res); + return res; } set_bit(SAS_DEV_FOUND, &dev->state); kref_get(&dev->kref); - return res; + return 0; } diff --git a/drivers/scsi/libsas/sas_expander.c b/drivers/scsi/libsas/sas_expander.c index b7d1b1ea185d77..8d6bcc19359ffd 100644 --- a/drivers/scsi/libsas/sas_expander.c +++ b/drivers/scsi/libsas/sas_expander.c @@ -1096,7 +1096,7 @@ static int sas_ex_discover_dev(struct domain_device *dev, int phy_id) } else memcpy(dev->port->disc.fanout_sas_addr, ex_phy->attached_sas_addr, SAS_ADDR_SIZE); - /* fallthrough */ + fallthrough; case SAS_EDGE_EXPANDER_DEVICE: child = sas_ex_discover_expander(dev, phy_id); break; diff --git a/drivers/scsi/libsas/sas_scsi_host.c b/drivers/scsi/libsas/sas_scsi_host.c index 9e0975e55c27e2..1bf939818c9818 100644 --- a/drivers/scsi/libsas/sas_scsi_host.c +++ b/drivers/scsi/libsas/sas_scsi_host.c @@ -622,7 +622,7 @@ static void sas_eh_handle_sas_errors(struct Scsi_Host *shost, struct list_head * sas_scsi_clear_queue_lu(work_q, cmd); goto Again; } - /* fallthrough */ + fallthrough; case TASK_IS_NOT_AT_LU: case TASK_ABORT_FAILED: pr_notice("task 0x%p is not at LU: I_T recover\n", diff --git a/drivers/scsi/lpfc/lpfc_ct.c b/drivers/scsi/lpfc/lpfc_ct.c index ef2015fad2d592..d0141a23a83376 100644 --- a/drivers/scsi/lpfc/lpfc_ct.c +++ b/drivers/scsi/lpfc/lpfc_ct.c @@ -3202,7 +3202,7 @@ port_out: case SLI_MGMT_GHAT: case SLI_MGMT_GRPL: rsp_size = FC_MAX_NS_RSP; - /* fall through */ + fallthrough; case SLI_MGMT_DHBA: case SLI_MGMT_DHAT: pe = (struct lpfc_fdmi_port_entry *)&CtReq->un.PortID; @@ -3215,7 +3215,7 @@ port_out: case SLI_MGMT_GPAT: case SLI_MGMT_GPAS: rsp_size = FC_MAX_NS_RSP; - /* fall through */ + fallthrough; case SLI_MGMT_DPRT: case SLI_MGMT_DPA: pe = (struct lpfc_fdmi_port_entry *)&CtReq->un.PortID; diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c index 48dc63f22ccad5..b60945182db805 100644 --- a/drivers/scsi/lpfc/lpfc_els.c +++ b/drivers/scsi/lpfc/lpfc_els.c @@ -3517,6 +3517,9 @@ lpfc_issue_els_rdf(struct lpfc_vport *vport, uint8_t retry) FC_TLV_DESC_LENGTH_FROM_SZ(prdf->reg_d1)); prdf->reg_d1.reg_desc.count = cpu_to_be32(ELS_RDF_REG_TAG_CNT); prdf->reg_d1.desc_tags[0] = cpu_to_be32(ELS_DTAG_LNK_INTEGRITY); + prdf->reg_d1.desc_tags[1] = cpu_to_be32(ELS_DTAG_DELIVERY); + prdf->reg_d1.desc_tags[2] = cpu_to_be32(ELS_DTAG_PEER_CONGEST); + prdf->reg_d1.desc_tags[3] = cpu_to_be32(ELS_DTAG_CONGESTION); lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, "Issue RDF: did:x%x", @@ -4656,7 +4659,9 @@ lpfc_cmpl_els_rsp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, out: if (ndlp && NLP_CHK_NODE_ACT(ndlp) && shost) { spin_lock_irq(shost->host_lock); - ndlp->nlp_flag &= ~(NLP_ACC_REGLOGIN | NLP_RM_DFLT_RPI); + if (mbox) + ndlp->nlp_flag &= ~NLP_ACC_REGLOGIN; + ndlp->nlp_flag &= ~NLP_RM_DFLT_RPI; spin_unlock_irq(shost->host_lock); /* If the node is not being used by another discovery thread, @@ -9134,7 +9139,7 @@ lpfc_cmpl_reg_new_vport(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) lpfc_nlp_put(ndlp); return; } - /* fall through */ + fallthrough; default: /* Try to recover from this error */ if (phba->sli_rev == LPFC_SLI_REV4) diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c index 142a021144793c..bb02fd8bc2ddf2 100644 --- a/drivers/scsi/lpfc/lpfc_hbadisc.c +++ b/drivers/scsi/lpfc/lpfc_hbadisc.c @@ -71,6 +71,7 @@ static void lpfc_disc_timeout_handler(struct lpfc_vport *); static void lpfc_disc_flush_list(struct lpfc_vport *vport); static void lpfc_unregister_fcfi_cmpl(struct lpfc_hba *, LPFC_MBOXQ_t *); static int lpfc_fcf_inuse(struct lpfc_hba *); +static void lpfc_mbx_cmpl_read_sparam(struct lpfc_hba *, LPFC_MBOXQ_t *); void lpfc_terminate_rport_io(struct fc_rport *rport) @@ -1138,11 +1139,13 @@ out: return; } - void lpfc_mbx_cmpl_local_config_link(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) { struct lpfc_vport *vport = pmb->vport; + LPFC_MBOXQ_t *sparam_mb; + struct lpfc_dmabuf *sparam_mp; + int rc; if (pmb->u.mb.mbxStatus) goto out; @@ -1167,12 +1170,42 @@ lpfc_mbx_cmpl_local_config_link(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) } /* Start discovery by sending a FLOGI. port_state is identically - * LPFC_FLOGI while waiting for FLOGI cmpl. Check if sending - * the FLOGI is being deferred till after MBX_READ_SPARAM completes. + * LPFC_FLOGI while waiting for FLOGI cmpl. */ if (vport->port_state != LPFC_FLOGI) { - if (!(phba->hba_flag & HBA_DEFER_FLOGI)) + /* Issue MBX_READ_SPARAM to update CSPs before FLOGI if + * bb-credit recovery is in place. + */ + if (phba->bbcredit_support && phba->cfg_enable_bbcr && + !(phba->link_flag & LS_LOOPBACK_MODE)) { + sparam_mb = mempool_alloc(phba->mbox_mem_pool, + GFP_KERNEL); + if (!sparam_mb) + goto sparam_out; + + rc = lpfc_read_sparam(phba, sparam_mb, 0); + if (rc) { + mempool_free(sparam_mb, phba->mbox_mem_pool); + goto sparam_out; + } + sparam_mb->vport = vport; + sparam_mb->mbox_cmpl = lpfc_mbx_cmpl_read_sparam; + rc = lpfc_sli_issue_mbox(phba, sparam_mb, MBX_NOWAIT); + if (rc == MBX_NOT_FINISHED) { + sparam_mp = (struct lpfc_dmabuf *) + sparam_mb->ctx_buf; + lpfc_mbuf_free(phba, sparam_mp->virt, + sparam_mp->phys); + kfree(sparam_mp); + sparam_mb->ctx_buf = NULL; + mempool_free(sparam_mb, phba->mbox_mem_pool); + goto sparam_out; + } + + phba->hba_flag |= HBA_DEFER_FLOGI; + } else { lpfc_initial_flogi(vport); + } } else { if (vport->fc_flag & FC_PT2PT) lpfc_disc_start(vport); @@ -1184,6 +1217,7 @@ out: "0306 CONFIG_LINK mbxStatus error x%x " "HBA state x%x\n", pmb->u.mb.mbxStatus, vport->port_state); +sparam_out: mempool_free(pmb, phba->mbox_mem_pool); lpfc_linkdown(phba); @@ -3239,21 +3273,6 @@ lpfc_mbx_process_link_up(struct lpfc_hba *phba, struct lpfc_mbx_read_top *la) lpfc_linkup(phba); sparam_mbox = NULL; - if (!(phba->hba_flag & HBA_FCOE_MODE)) { - cfglink_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); - if (!cfglink_mbox) - goto out; - vport->port_state = LPFC_LOCAL_CFG_LINK; - lpfc_config_link(phba, cfglink_mbox); - cfglink_mbox->vport = vport; - cfglink_mbox->mbox_cmpl = lpfc_mbx_cmpl_local_config_link; - rc = lpfc_sli_issue_mbox(phba, cfglink_mbox, MBX_NOWAIT); - if (rc == MBX_NOT_FINISHED) { - mempool_free(cfglink_mbox, phba->mbox_mem_pool); - goto out; - } - } - sparam_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); if (!sparam_mbox) goto out; @@ -3274,7 +3293,20 @@ lpfc_mbx_process_link_up(struct lpfc_hba *phba, struct lpfc_mbx_read_top *la) goto out; } - if (phba->hba_flag & HBA_FCOE_MODE) { + if (!(phba->hba_flag & HBA_FCOE_MODE)) { + cfglink_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); + if (!cfglink_mbox) + goto out; + vport->port_state = LPFC_LOCAL_CFG_LINK; + lpfc_config_link(phba, cfglink_mbox); + cfglink_mbox->vport = vport; + cfglink_mbox->mbox_cmpl = lpfc_mbx_cmpl_local_config_link; + rc = lpfc_sli_issue_mbox(phba, cfglink_mbox, MBX_NOWAIT); + if (rc == MBX_NOT_FINISHED) { + mempool_free(cfglink_mbox, phba->mbox_mem_pool); + goto out; + } + } else { vport->port_state = LPFC_VPORT_UNKNOWN; /* * Add the driver's default FCF record at FCF index 0 now. This @@ -3331,10 +3363,6 @@ lpfc_mbx_process_link_up(struct lpfc_hba *phba, struct lpfc_mbx_read_top *la) } /* Reset FCF roundrobin bmask for new discovery */ lpfc_sli4_clear_fcf_rr_bmask(phba); - } else { - if (phba->bbcredit_support && phba->cfg_enable_bbcr && - !(phba->link_flag & LS_LOOPBACK_MODE)) - phba->hba_flag |= HBA_DEFER_FLOGI; } /* Prepare for LINK up registrations */ @@ -4728,15 +4756,14 @@ lpfc_check_sli_ndlp(struct lpfc_hba *phba, case CMD_GEN_REQUEST64_CR: if (iocb->context_un.ndlp == ndlp) return 1; - /* fall through */ + fallthrough; case CMD_ELS_REQUEST64_CR: if (icmd->un.elsreq64.remoteID == ndlp->nlp_DID) return 1; - /* fall through */ + fallthrough; case CMD_XMIT_ELS_RSP64_CX: if (iocb->context1 == (uint8_t *) ndlp) return 1; - /* fall through */ } } else if (pring->ringno == LPFC_FCP_RING) { /* Skip match check if waiting to relogin to FCP target */ @@ -6055,7 +6082,7 @@ restart_disc: case LPFC_LINK_UP: lpfc_issue_clear_la(phba, vport); - /* fall through */ + fallthrough; case LPFC_LINK_UNKNOWN: case LPFC_WARM_START: case LPFC_INIT_START: diff --git a/drivers/scsi/lpfc/lpfc_hw4.h b/drivers/scsi/lpfc/lpfc_hw4.h index c4ba8273a63fbe..12e4e76233e6ae 100644 --- a/drivers/scsi/lpfc/lpfc_hw4.h +++ b/drivers/scsi/lpfc/lpfc_hw4.h @@ -4800,7 +4800,7 @@ struct send_frame_wqe { uint32_t fc_hdr_wd5; /* word 15 */ }; -#define ELS_RDF_REG_TAG_CNT 1 +#define ELS_RDF_REG_TAG_CNT 4 struct lpfc_els_rdf_reg_desc { struct fc_df_desc_fpin_reg reg_desc; /* descriptor header */ __be32 desc_tags[ELS_RDF_REG_TAG_CNT]; diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index c697259993159d..ca25e54bb78249 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -11376,7 +11376,6 @@ lpfc_irq_clear_aff(struct lpfc_hba_eq_hdl *eqhdl) { cpumask_clear(&eqhdl->aff_mask); irq_clear_status_flags(eqhdl->irq, IRQ_NO_BALANCING); - irq_set_affinity_hint(eqhdl->irq, &eqhdl->aff_mask); } /** diff --git a/drivers/scsi/lpfc/lpfc_nportdisc.c b/drivers/scsi/lpfc/lpfc_nportdisc.c index cad53d19cb25f1..92d6e7b98770d7 100644 --- a/drivers/scsi/lpfc/lpfc_nportdisc.c +++ b/drivers/scsi/lpfc/lpfc_nportdisc.c @@ -464,7 +464,7 @@ lpfc_rcv_plogi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, case NLP_STE_NPR_NODE: if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) break; - /* fall through */ + fallthrough; case NLP_STE_REG_LOGIN_ISSUE: case NLP_STE_PRLI_ISSUE: case NLP_STE_UNMAPPED_NODE: diff --git a/drivers/scsi/lpfc/lpfc_nvme.c b/drivers/scsi/lpfc/lpfc_nvme.c index e5be334d6a119e..0c39ed50998c86 100644 --- a/drivers/scsi/lpfc/lpfc_nvme.c +++ b/drivers/scsi/lpfc/lpfc_nvme.c @@ -1225,7 +1225,7 @@ lpfc_nvme_io_cmd_wqe_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pwqeIn, lpfc_ncmd, nCmd, lpfc_ncmd->cur_iocbq.sli4_xritag, bf_get(lpfc_wcqe_c_xb, wcqe)); - /* fall through */ + fallthrough; default: out_err: lpfc_printf_vlog(vport, KERN_INFO, LOG_NVME_IOERR, diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c index 5e802c8b22a992..983eeb0e3d07e3 100644 --- a/drivers/scsi/lpfc/lpfc_scsi.c +++ b/drivers/scsi/lpfc/lpfc_scsi.c @@ -1093,7 +1093,7 @@ lpfc_bg_err_inject(struct lpfc_hba *phba, struct scsi_cmnd *sc, break; } - /* fall through */ + fallthrough; case SCSI_PROT_WRITE_INSERT: /* * For WRITE_INSERT, force the error @@ -1213,7 +1213,7 @@ lpfc_bg_err_inject(struct lpfc_hba *phba, struct scsi_cmnd *sc, rc = BG_ERR_TGT | BG_ERR_CHECK; break; } - /* fall through */ + fallthrough; case SCSI_PROT_WRITE_INSERT: /* * For WRITE_INSERT, force the @@ -1295,7 +1295,7 @@ lpfc_bg_err_inject(struct lpfc_hba *phba, struct scsi_cmnd *sc, switch (op) { case SCSI_PROT_WRITE_PASS: rc = BG_ERR_CHECK; - /* fall through */ + fallthrough; case SCSI_PROT_WRITE_INSERT: /* @@ -3980,7 +3980,7 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn, lpfc_cmd->cur_iocbq.sli4_lxritag, 0, 0); } - /* fall through */ + fallthrough; default: cmd->result = DID_ERROR << 16; break; diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index 4cd7ded656b7d2..e158cd77d387f4 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -9339,7 +9339,7 @@ __lpfc_sli_issue_iocb_s3(struct lpfc_hba *phba, uint32_t ring_number, */ if (piocb->iocb_cmpl) piocb->iocb_cmpl = NULL; - /*FALLTHROUGH*/ + fallthrough; case CMD_CREATE_XRI_CR: case CMD_CLOSE_XRI_CN: case CMD_CLOSE_XRI_CX: @@ -9653,7 +9653,7 @@ lpfc_sli4_iocb2wqe(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq, cmnd = CMD_XMIT_SEQUENCE64_CR; if (phba->link_flag & LS_LOOPBACK_MODE) bf_set(wqe_xo, &wqe->xmit_sequence.wge_ctl, 1); - /* fall through */ + fallthrough; case CMD_XMIT_SEQUENCE64_CR: /* word3 iocb=io_tag32 wqe=reserved */ wqe->xmit_sequence.rsvd3 = 0; @@ -13630,7 +13630,7 @@ lpfc_sli4_sp_handle_rcqe(struct lpfc_hba *phba, struct lpfc_rcqe *rcqe) case FC_STATUS_RQ_BUF_LEN_EXCEEDED: lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "2537 Receive Frame Truncated!!\n"); - /* fall through */ + fallthrough; case FC_STATUS_RQ_SUCCESS: spin_lock_irqsave(&phba->hbalock, iflags); lpfc_sli4_rq_release(hrq, drq); @@ -13678,7 +13678,7 @@ lpfc_sli4_sp_handle_rcqe(struct lpfc_hba *phba, struct lpfc_rcqe *rcqe) atomic_read(&tgtp->rcv_fcp_cmd_out), atomic_read(&tgtp->xmt_fcp_release)); } - /* fallthrough */ + fallthrough; case FC_STATUS_INSUFF_BUF_NEED_BUF: hrq->RQ_no_posted_buf++; @@ -14162,7 +14162,7 @@ lpfc_sli4_nvmet_handle_rcqe(struct lpfc_hba *phba, struct lpfc_queue *cq, case FC_STATUS_RQ_BUF_LEN_EXCEEDED: lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "6126 Receive Frame Truncated!!\n"); - /* fall through */ + fallthrough; case FC_STATUS_RQ_SUCCESS: spin_lock_irqsave(&phba->hbalock, iflags); lpfc_sli4_rq_release(hrq, drq); @@ -14209,7 +14209,7 @@ drop: atomic_read(&tgtp->rcv_fcp_cmd_out), atomic_read(&tgtp->xmt_fcp_release)); } - /* fallthrough */ + fallthrough; case FC_STATUS_INSUFF_BUF_NEED_BUF: hrq->RQ_no_posted_buf++; @@ -15096,7 +15096,7 @@ lpfc_eq_create(struct lpfc_hba *phba, struct lpfc_queue *eq, uint32_t imax) status = -EINVAL; goto out; } - /* fall through - otherwise default to smallest count */ + fallthrough; /* otherwise default to smallest count */ case 256: bf_set(lpfc_eq_context_count, &eq_create->u.request.context, LPFC_EQ_CNT_256); @@ -15238,7 +15238,7 @@ lpfc_cq_create(struct lpfc_hba *phba, struct lpfc_queue *cq, LPFC_CQ_CNT_WORD7); break; } - /* fall through */ + fallthrough; default: lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "0361 Unsupported CQ count: " @@ -15249,7 +15249,7 @@ lpfc_cq_create(struct lpfc_hba *phba, struct lpfc_queue *cq, status = -EINVAL; goto out; } - /* fall through - otherwise default to smallest count */ + fallthrough; /* otherwise default to smallest count */ case 256: bf_set(lpfc_cq_context_count, &cq_create->u.request.context, LPFC_CQ_CNT_256); @@ -15417,7 +15417,7 @@ lpfc_cq_create_set(struct lpfc_hba *phba, struct lpfc_queue **cqp, LPFC_CQ_CNT_WORD7); break; } - /* fall through */ + fallthrough; default: lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "3118 Bad CQ count. (%d)\n", @@ -15426,7 +15426,7 @@ lpfc_cq_create_set(struct lpfc_hba *phba, struct lpfc_queue **cqp, status = -EINVAL; goto out; } - /* fall through - otherwise default to smallest */ + fallthrough; /* otherwise default to smallest */ case 256: bf_set(lpfc_mbx_cq_create_set_cqe_cnt, &cq_set->u.request, LPFC_CQ_CNT_256); @@ -15702,7 +15702,7 @@ lpfc_mq_create(struct lpfc_hba *phba, struct lpfc_queue *mq, status = -EINVAL; goto out; } - /* fall through - otherwise default to smallest count */ + fallthrough; /* otherwise default to smallest count */ case 16: bf_set(lpfc_mq_context_ring_size, &mq_create_ext->u.request.context, @@ -16123,7 +16123,7 @@ lpfc_rq_create(struct lpfc_hba *phba, struct lpfc_queue *hrq, status = -EINVAL; goto out; } - /* fall through - otherwise default to smallest count */ + fallthrough; /* otherwise default to smallest count */ case 512: bf_set(lpfc_rq_context_rqe_count, &rq_create->u.request.context, @@ -16260,7 +16260,7 @@ lpfc_rq_create(struct lpfc_hba *phba, struct lpfc_queue *hrq, status = -EINVAL; goto out; } - /* fall through - otherwise default to smallest count */ + fallthrough; /* otherwise default to smallest count */ case 512: bf_set(lpfc_rq_context_rqe_count, &rq_create->u.request.context, diff --git a/drivers/scsi/lpfc/lpfc_version.h b/drivers/scsi/lpfc/lpfc_version.h index 20adec4387f026..c657abf22b7513 100644 --- a/drivers/scsi/lpfc/lpfc_version.h +++ b/drivers/scsi/lpfc/lpfc_version.h @@ -20,7 +20,7 @@ * included with this package. * *******************************************************************/ -#define LPFC_DRIVER_VERSION "12.8.0.3" +#define LPFC_DRIVER_VERSION "12.8.0.4" #define LPFC_DRIVER_NAME "lpfc" /* Used for SLI 2/3 */ diff --git a/drivers/scsi/megaraid.c b/drivers/scsi/megaraid.c index 0484ee52ae8023..ac406049e7c8af 100644 --- a/drivers/scsi/megaraid.c +++ b/drivers/scsi/megaraid.c @@ -491,9 +491,9 @@ mega_get_ldrv_num(adapter_t *adapter, struct scsi_cmnd *cmd, int channel) if (adapter->support_random_del && adapter->read_ldidmap ) switch (cmd->cmnd[0]) { - case READ_6: /* fall through */ - case WRITE_6: /* fall through */ - case READ_10: /* fall through */ + case READ_6: + case WRITE_6: + case READ_10: case WRITE_10: ldrv_num += 0x80; } @@ -852,7 +852,7 @@ mega_build_cmd(adapter_t *adapter, struct scsi_cmnd *cmd, int *busy) return scb; #if MEGA_HAVE_CLUSTERING - case RESERVE: /* Fall through */ + case RESERVE: case RELEASE: /* @@ -987,7 +987,7 @@ mega_prepare_passthru(adapter_t *adapter, scb_t *scb, struct scsi_cmnd *cmd, adapter->flag |= (1L << cmd->device->channel); } - /* Fall through */ + fallthrough; default: pthru->numsgelements = mega_build_sglist(adapter, scb, &pthru->dataxferaddr, &pthru->dataxferlen); @@ -1050,7 +1050,7 @@ mega_prepare_extpassthru(adapter_t *adapter, scb_t *scb, adapter->flag |= (1L << cmd->device->channel); } - /* Fall through */ + fallthrough; default: epthru->numsgelements = mega_build_sglist(adapter, scb, &epthru->dataxferaddr, &epthru->dataxferlen); diff --git a/drivers/scsi/megaraid/megaraid_mbox.c b/drivers/scsi/megaraid/megaraid_mbox.c index 19469a2c0ea36f..4a27ac869f2e20 100644 --- a/drivers/scsi/megaraid/megaraid_mbox.c +++ b/drivers/scsi/megaraid/megaraid_mbox.c @@ -1581,7 +1581,7 @@ megaraid_mbox_build_cmd(adapter_t *adapter, struct scsi_cmnd *scp, int *busy) return NULL; } - /* Fall through */ + fallthrough; case READ_CAPACITY: /* diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c index 861f7140f52e85..2b7e7b5f38edf9 100644 --- a/drivers/scsi/megaraid/megaraid_sas_base.c +++ b/drivers/scsi/megaraid/megaraid_sas_base.c @@ -3522,7 +3522,7 @@ megasas_complete_cmd(struct megasas_instance *instance, struct megasas_cmd *cmd, megasas_complete_int_cmd(instance, cmd); break; } - /* fall through */ + fallthrough; case MFI_CMD_LD_READ: case MFI_CMD_LD_WRITE: diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c index 0824410f78f8a2..b0c01cf0428f2f 100644 --- a/drivers/scsi/megaraid/megaraid_sas_fusion.c +++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c @@ -3534,7 +3534,7 @@ complete_cmd_fusion(struct megasas_instance *instance, u32 MSIxIndex, atomic_dec(&lbinfo->scsi_pending_cmds[cmd_fusion->pd_r1_lb]); cmd_fusion->scmd->SCp.Status &= ~MEGASAS_LOAD_BALANCE_FLAG; } - /* Fall through - and complete IO */ + fallthrough; /* and complete IO */ case MEGASAS_MPI2_FUNCTION_LD_IO_REQUEST: /* LD-IO Path */ atomic_dec(&instance->fw_outstanding); if (cmd_fusion->r1_alt_dev_handle == MR_DEVHANDLE_INVALID) { @@ -3689,7 +3689,7 @@ int megasas_irqpoll(struct irq_poll *irqpoll, int budget) instance = irq_ctx->instance; if (irq_ctx->irq_line_enable) { - disable_irq(irq_ctx->os_irq); + disable_irq_nosync(irq_ctx->os_irq); irq_ctx->irq_line_enable = false; } diff --git a/drivers/scsi/mesh.c b/drivers/scsi/mesh.c index fd1d0306407972..0a9f4e44ab2cb9 100644 --- a/drivers/scsi/mesh.c +++ b/drivers/scsi/mesh.c @@ -1457,7 +1457,7 @@ static void cmd_complete(struct mesh_state *ms) /* huh? we expected a phase mismatch */ ms->n_msgin = 0; ms->msgphase = msg_in; - /* fall through */ + fallthrough; case msg_in: /* should have some message bytes in fifo */ diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c index 1d64524cd86315..8062bd99add85c 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_base.c +++ b/drivers/scsi/mpt3sas/mpt3sas_base.c @@ -1733,7 +1733,7 @@ _base_irqpoll(struct irq_poll *irqpoll, int budget) reply_q = container_of(irqpoll, struct adapter_reply_queue, irqpoll); if (reply_q->irq_line_enable) { - disable_irq(reply_q->os_irq); + disable_irq_nosync(reply_q->os_irq); reply_q->irq_line_enable = false; } num_entries = _base_process_reply_queue(reply_q); @@ -4681,7 +4681,7 @@ _base_update_ioc_page1_inlinewith_perf_mode(struct MPT3SAS_ADAPTER *ioc) ioc_info(ioc, "performance mode: balanced\n"); return; } - /* Fall through */ + fallthrough; case MPT_PERF_MODE_LATENCY: /* * Enable interrupt coalescing on all reply queues diff --git a/drivers/scsi/mpt3sas/mpt3sas_ctl.c b/drivers/scsi/mpt3sas/mpt3sas_ctl.c index 43260306668cfb..7c119b9048349b 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_ctl.c +++ b/drivers/scsi/mpt3sas/mpt3sas_ctl.c @@ -1002,7 +1002,7 @@ _ctl_do_mpt_command(struct MPT3SAS_ADAPTER *ioc, struct mpt3_ioctl_command karg, } /* drop to default case for posting the request */ } - /* fall through */ + fallthrough; default: ioc->build_sg_mpi(ioc, psge, data_out_dma, data_out_sz, data_in_dma, data_in_sz); diff --git a/drivers/scsi/mpt3sas/mpt3sas_scsih.c b/drivers/scsi/mpt3sas/mpt3sas_scsih.c index 08fc4b381056c7..2e2756d8a49b11 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_scsih.c +++ b/drivers/scsi/mpt3sas/mpt3sas_scsih.c @@ -5470,7 +5470,7 @@ _scsih_io_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply) case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN: scsi_set_resid(scmd, 0); - /* fall through */ + fallthrough; case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR: case MPI2_IOCSTATUS_SUCCESS: scmd->result = (DID_OK << 16) | scsi_status; @@ -6480,7 +6480,7 @@ _scsih_sas_topology_change_event(struct MPT3SAS_ADAPTER *ioc, if (!test_bit(handle, ioc->pend_os_device_add)) break; - /* fall through */ + fallthrough; case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED: @@ -7208,7 +7208,7 @@ _scsih_pcie_topology_change_event(struct MPT3SAS_ADAPTER *ioc, event_data->PortEntry[i].PortStatus &= 0xF0; event_data->PortEntry[i].PortStatus |= MPI26_EVENT_PCIE_TOPO_PS_DEV_ADDED; - /* fall through */ + fallthrough; case MPI26_EVENT_PCIE_TOPO_PS_DEV_ADDED: if (ioc->shost_recovery) break; @@ -10653,7 +10653,7 @@ _scsih_probe(struct pci_dev *pdev, const struct pci_device_id *id) case MPI26_MFGPAGE_DEVID_CFG_SEC_3916: dev_info(&pdev->dev, "HBA is in Configurable Secure mode\n"); - /* fall through */ + fallthrough; case MPI26_MFGPAGE_DEVID_HARD_SEC_3816: case MPI26_MFGPAGE_DEVID_HARD_SEC_3916: ioc->is_aero_ioc = ioc->is_gen35_ioc = 1; diff --git a/drivers/scsi/myrb.c b/drivers/scsi/myrb.c index d4bd31a75b9dbf..b2869c5dd7fb53 100644 --- a/drivers/scsi/myrb.c +++ b/drivers/scsi/myrb.c @@ -650,7 +650,7 @@ static void myrb_bgi_control(struct myrb_hba *cb) if (sdev && cb->bgi_status.status == MYRB_BGI_INPROGRESS) sdev_printk(KERN_INFO, sdev, "Background Initialization Aborted\n"); - /* Fallthrough */ + fallthrough; case MYRB_STATUS_NO_BGI_INPROGRESS: cb->bgi_status.status = MYRB_BGI_INVALID; break; @@ -1528,7 +1528,7 @@ static int myrb_ldev_queuecommand(struct Scsi_Host *shost, scmd->scsi_done(scmd); return 0; } - /* fall through */ + fallthrough; case WRITE_6: lba = (((scmd->cmnd[1] & 0x1F) << 16) | (scmd->cmnd[2] << 8) | @@ -1545,7 +1545,7 @@ static int myrb_ldev_queuecommand(struct Scsi_Host *shost, scmd->scsi_done(scmd); return 0; } - /* fall through */ + fallthrough; case WRITE_10: case VERIFY: /* 0x2F */ case WRITE_VERIFY: /* 0x2E */ @@ -1562,7 +1562,7 @@ static int myrb_ldev_queuecommand(struct Scsi_Host *shost, scmd->scsi_done(scmd); return 0; } - /* fall through */ + fallthrough; case WRITE_12: case VERIFY_12: /* 0xAF */ case WRITE_VERIFY_12: /* 0xAE */ diff --git a/drivers/scsi/ncr53c8xx.c b/drivers/scsi/ncr53c8xx.c index f88adab3f9135c..03d70138ad58da 100644 --- a/drivers/scsi/ncr53c8xx.c +++ b/drivers/scsi/ncr53c8xx.c @@ -3640,7 +3640,7 @@ ncr_script_copy_and_bind (struct ncb *np, ncrcmd *src, ncrcmd *dst, int len) new = old; break; } - /* fall through */ + fallthrough; default: panic("ncr_script_copy_and_bind: weird relocation %x\n", old); break; @@ -3910,14 +3910,14 @@ static void __init ncr_prepare_setting(struct ncb *np) np->scsi_mode = SMODE_HVD; break; } - /* fall through */ + fallthrough; case 3: /* SYMBIOS controllers report HVD through GPIO3 */ if (INB(nc_gpreg) & 0x08) break; - /* fall through */ + fallthrough; case 2: /* Set HVD unconditionally */ np->scsi_mode = SMODE_HVD; - /* fall through */ + fallthrough; case 1: /* Trust previous settings for HVD */ if (np->sv_stest2 & 0x20) np->scsi_mode = SMODE_HVD; @@ -4296,7 +4296,7 @@ static int ncr_queue_command (struct ncb *np, struct scsi_cmnd *cmd) break; cp->phys.header.wgoalp = cpu_to_scr(goalp); cp->phys.header.wlastp = cpu_to_scr(lastp); - /* fall through */ + fallthrough; case DMA_FROM_DEVICE: goalp = NCB_SCRIPT_PHYS (np, data_in2) + 8; if (segments <= MAX_SCATTERL) @@ -6717,7 +6717,7 @@ void ncr_int_sir (struct ncb *np) OUTL_DSP (scr_to_cpu(tp->lp[0]->jump_ccb[0])); return; } - /* fall through */ + fallthrough; case SIR_RESEL_BAD_TARGET: /* Will send a TARGET RESET message */ case SIR_RESEL_BAD_LUN: /* Will send a TARGET RESET message */ case SIR_RESEL_BAD_I_T_L_Q: /* Will send an ABORT TAG message */ @@ -6825,7 +6825,7 @@ void ncr_int_sir (struct ncb *np) */ OUTB (HS_PRT, HS_BUSY); - /* fall through */ + fallthrough; case SIR_NEGO_PROTO: /*------------------------------------------------------- diff --git a/drivers/scsi/pcmcia/nsp_cs.c b/drivers/scsi/pcmcia/nsp_cs.c index 8655ff1249bbc9..bc5a623519e7ba 100644 --- a/drivers/scsi/pcmcia/nsp_cs.c +++ b/drivers/scsi/pcmcia/nsp_cs.c @@ -1113,7 +1113,7 @@ static irqreturn_t nspintr(int irq, void *dev_id) nsp_scsi_done(tmpSC); return IRQ_HANDLED; } - /* fall thru */ + fallthrough; default: if ((irq_status & (IRQSTATUS_SCSI | IRQSTATUS_FIFO)) == 0) { return IRQ_HANDLED; diff --git a/drivers/scsi/pm8001/pm8001_sas.c b/drivers/scsi/pm8001/pm8001_sas.c index 337e79d6837ffa..9889bab7d31c1c 100644 --- a/drivers/scsi/pm8001/pm8001_sas.c +++ b/drivers/scsi/pm8001/pm8001_sas.c @@ -818,7 +818,7 @@ pm8001_exec_internal_task_abort(struct pm8001_hba_info *pm8001_ha, res = pm8001_tag_alloc(pm8001_ha, &ccb_tag); if (res) - return res; + goto ex_err; ccb = &pm8001_ha->ccb_info[ccb_tag]; ccb->device = pm8001_dev; ccb->ccb_tag = ccb_tag; diff --git a/drivers/scsi/ppa.c b/drivers/scsi/ppa.c index 0ae800c5b7396a..aa41f7ac91cb7b 100644 --- a/drivers/scsi/ppa.c +++ b/drivers/scsi/ppa.c @@ -717,7 +717,7 @@ static int ppa_engine(ppa_struct *dev, struct scsi_cmnd *cmd) } cmd->SCp.phase++; } - /* fall through */ + fallthrough; case 2: /* Phase 2 - We are now talking to the scsi bus */ if (!ppa_select(dev, scmd_id(cmd))) { @@ -725,7 +725,7 @@ static int ppa_engine(ppa_struct *dev, struct scsi_cmnd *cmd) return 0; } cmd->SCp.phase++; - /* fall through */ + fallthrough; case 3: /* Phase 3 - Ready to accept a command */ w_ctr(ppb, 0x0c); @@ -735,7 +735,7 @@ static int ppa_engine(ppa_struct *dev, struct scsi_cmnd *cmd) if (!ppa_send_command(cmd)) return 0; cmd->SCp.phase++; - /* fall through */ + fallthrough; case 4: /* Phase 4 - Setup scatter/gather buffers */ if (scsi_bufflen(cmd)) { @@ -749,7 +749,7 @@ static int ppa_engine(ppa_struct *dev, struct scsi_cmnd *cmd) } cmd->SCp.buffers_residual = scsi_sg_count(cmd) - 1; cmd->SCp.phase++; - /* fall through */ + fallthrough; case 5: /* Phase 5 - Data transfer stage */ w_ctr(ppb, 0x0c); @@ -762,7 +762,7 @@ static int ppa_engine(ppa_struct *dev, struct scsi_cmnd *cmd) if (retv == 0) return 1; cmd->SCp.phase++; - /* fall through */ + fallthrough; case 6: /* Phase 6 - Read status/message */ cmd->result = DID_OK << 16; diff --git a/drivers/scsi/qedf/qedf_main.c b/drivers/scsi/qedf/qedf_main.c index 3f04f2c8136638..5ca424df355c15 100644 --- a/drivers/scsi/qedf/qedf_main.c +++ b/drivers/scsi/qedf/qedf_main.c @@ -3863,7 +3863,7 @@ void qedf_stag_change_work(struct work_struct *work) container_of(work, struct qedf_ctx, stag_work.work); if (!qedf) { - QEDF_ERR(&qedf->dbg_ctx, "qedf is NULL"); + QEDF_ERR(NULL, "qedf is NULL"); return; } QEDF_ERR(&qedf->dbg_ctx, "Performing software context reset.\n"); diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h index 1bc090d8a71b0e..a165120d2976f7 100644 --- a/drivers/scsi/qla2xxx/qla_def.h +++ b/drivers/scsi/qla2xxx/qla_def.h @@ -1626,7 +1626,7 @@ typedef struct { */ uint8_t firmware_options[2]; - uint16_t frame_payload_size; + __le16 frame_payload_size; __le16 max_iocb_allocation; __le16 execution_throttle; uint8_t retry_count; diff --git a/drivers/scsi/qla2xxx/qla_gs.c b/drivers/scsi/qla2xxx/qla_gs.c index de9fd7f688d014..b569fd6e96d636 100644 --- a/drivers/scsi/qla2xxx/qla_gs.c +++ b/drivers/scsi/qla2xxx/qla_gs.c @@ -177,7 +177,7 @@ qla2x00_chk_ms_status(scsi_qla_host_t *vha, ms_iocb_entry_t *ms_pkt, break; case CS_TIMEOUT: rval = QLA_FUNCTION_TIMEOUT; - /* fall through */ + fallthrough; default: ql_dbg(ql_dbg_disc, vha, 0x2033, "%s failed, completion status (%x) on port_id: " diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index 57a2d76aa691d6..0bd04a62af836d 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -857,7 +857,7 @@ static void qla24xx_handle_gnl_done_event(scsi_qla_host_t *vha, fcport); break; } - /* fall through */ + fallthrough; default: if (fcport_is_smaller(fcport)) { /* local adapter is bigger */ @@ -4603,18 +4603,18 @@ qla2x00_nvram_config(scsi_qla_host_t *vha) nv->firmware_options[1] = BIT_7 | BIT_5; nv->add_firmware_options[0] = BIT_5; nv->add_firmware_options[1] = BIT_5 | BIT_4; - nv->frame_payload_size = 2048; + nv->frame_payload_size = cpu_to_le16(2048); nv->special_options[1] = BIT_7; } else if (IS_QLA2200(ha)) { nv->firmware_options[0] = BIT_2 | BIT_1; nv->firmware_options[1] = BIT_7 | BIT_5; nv->add_firmware_options[0] = BIT_5; nv->add_firmware_options[1] = BIT_5 | BIT_4; - nv->frame_payload_size = 1024; + nv->frame_payload_size = cpu_to_le16(1024); } else if (IS_QLA2100(ha)) { nv->firmware_options[0] = BIT_3 | BIT_1; nv->firmware_options[1] = BIT_5; - nv->frame_payload_size = 1024; + nv->frame_payload_size = cpu_to_le16(1024); } nv->max_iocb_allocation = cpu_to_le16(256); diff --git a/drivers/scsi/qla2xxx/qla_iocb.c b/drivers/scsi/qla2xxx/qla_iocb.c index e3d2dea0b057c0..0954fa41911cac 100644 --- a/drivers/scsi/qla2xxx/qla_iocb.c +++ b/drivers/scsi/qla2xxx/qla_iocb.c @@ -2874,7 +2874,7 @@ static void qla2x00_els_dcmd2_sp_done(srb_t *sp, int res) &vha->dpc_flags); qla2xxx_wake_dpc(vha); } - /* fall through */ + fallthrough; default: ql_dbg(ql_dbg_disc, vha, 0x20eb, "%s %8phC cmd error fw_status 0x%x 0x%x 0x%x\n", diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c index ab5275dbc33893..25e0a168476325 100644 --- a/drivers/scsi/qla2xxx/qla_isr.c +++ b/drivers/scsi/qla2xxx/qla_isr.c @@ -1580,11 +1580,11 @@ global_port_update: qla2xxx_wake_dpc(vha); } } - /* fall through */ + fallthrough; case MBA_IDC_COMPLETE: if (ha->notify_lb_portup_comp && !vha->vp_idx) complete(&ha->lb_portup_comp); - /* Fallthru */ + fallthrough; case MBA_IDC_TIME_EXT: if (IS_QLA81XX(vha->hw) || IS_QLA8031(vha->hw) || IS_QLA8044(ha)) @@ -2188,7 +2188,7 @@ qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req, set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); qla2xxx_wake_dpc(vha); } - /* fall through */ + fallthrough; default: data[0] = MBS_COMMAND_ERROR; break; @@ -2368,7 +2368,7 @@ static void qla24xx_nvme_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, case CS_PORT_UNAVAILABLE: case CS_PORT_LOGGED_OUT: fcport->nvme_flag |= NVME_FLAG_RESETTING; - /* fall through */ + fallthrough; case CS_ABORTED: case CS_PORT_BUSY: fd->transferred_length = 0; @@ -3485,7 +3485,7 @@ process_err: } else { qlt_24xx_process_atio_queue(vha, 1); } - /* fall through */ + fallthrough; case ABTS_RESP_24XX: case CTIO_TYPE7: case CTIO_CRC2: diff --git a/drivers/scsi/qla2xxx/qla_sup.c b/drivers/scsi/qla2xxx/qla_sup.c index e161c05d7d826a..411b8a9ff393b4 100644 --- a/drivers/scsi/qla2xxx/qla_sup.c +++ b/drivers/scsi/qla2xxx/qla_sup.c @@ -2457,7 +2457,7 @@ qla2x00_write_optrom_data(struct scsi_qla_host *vha, void *buf, sec_mask = 0x10000; break; } - /* Fall through... */ + fallthrough; case 0x1f: /* Atmel flash. */ /* 512k sector size. */ @@ -2466,7 +2466,7 @@ qla2x00_write_optrom_data(struct scsi_qla_host *vha, void *buf, sec_mask = 0x80000000; break; } - /* Fall through... */ + fallthrough; case 0x01: /* AMD flash. */ if (flash_id == 0x38 || flash_id == 0x40 || @@ -2499,7 +2499,7 @@ qla2x00_write_optrom_data(struct scsi_qla_host *vha, void *buf, sec_mask = 0x1e000; break; } - /* fall through */ + fallthrough; default: /* Default to 16 kb sector size. */ rest_addr = 0x3fff; diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c index 90289162dbd4c7..2d445bdb212909 100644 --- a/drivers/scsi/qla2xxx/qla_target.c +++ b/drivers/scsi/qla2xxx/qla_target.c @@ -442,7 +442,7 @@ void qlt_response_pkt_all_vps(struct scsi_qla_host *vha, ql_dbg(ql_dbg_tgt, vha, 0xe073, "qla_target(%d):%s: CRC2 Response pkt\n", vha->vp_idx, __func__); - /* fall through */ + fallthrough; case CTIO_TYPE7: { struct ctio7_from_24xx *entry = (struct ctio7_from_24xx *)pkt; @@ -4423,7 +4423,7 @@ static int qlt_issue_task_mgmt(struct fc_port *sess, u64 lun, case QLA_TGT_CLEAR_TS: case QLA_TGT_ABORT_TS: abort_cmds_for_lun(vha, lun, a->u.isp24.fcp_hdr.s_id); - /* fall through */ + fallthrough; case QLA_TGT_CLEAR_ACA: h = qlt_find_qphint(vha, mcmd->unpacked_lun); mcmd->qpair = h->qpair; @@ -5057,7 +5057,7 @@ static int qlt_24xx_handle_els(struct scsi_qla_host *vha, res = 1; break; } - /* fall through */ + fallthrough; case ELS_LOGO: case ELS_PRLO: spin_lock_irqsave(&ha->tgt.sess_lock, flags); diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c index bab87e47b238db..676778cbc55099 100644 --- a/drivers/scsi/qla4xxx/ql4_os.c +++ b/drivers/scsi/qla4xxx/ql4_os.c @@ -2907,7 +2907,7 @@ static int qla4xxx_session_get_param(struct iscsi_cls_session *cls_sess, chap_tbl.secret_len); } } - /* fall through */ + fallthrough; default: return iscsi_session_get_param(cls_sess, param, buf); } diff --git a/drivers/scsi/qlogicpti.c b/drivers/scsi/qlogicpti.c index 3790e8b70bba94..48ff7d88af8604 100644 --- a/drivers/scsi/qlogicpti.c +++ b/drivers/scsi/qlogicpti.c @@ -200,15 +200,15 @@ static int qlogicpti_mbox_command(struct qlogicpti *qpti, u_short param[], int f /* Write mailbox command registers. */ switch (mbox_param[param[0]] >> 4) { case 6: sbus_writew(param[5], qpti->qregs + MBOX5); - /* Fall through */ + fallthrough; case 5: sbus_writew(param[4], qpti->qregs + MBOX4); - /* Fall through */ + fallthrough; case 4: sbus_writew(param[3], qpti->qregs + MBOX3); - /* Fall through */ + fallthrough; case 3: sbus_writew(param[2], qpti->qregs + MBOX2); - /* Fall through */ + fallthrough; case 2: sbus_writew(param[1], qpti->qregs + MBOX1); - /* Fall through */ + fallthrough; case 1: sbus_writew(param[0], qpti->qregs + MBOX0); } @@ -259,15 +259,15 @@ static int qlogicpti_mbox_command(struct qlogicpti *qpti, u_short param[], int f /* Read back output parameters. */ switch (mbox_param[param[0]] & 0xf) { case 6: param[5] = sbus_readw(qpti->qregs + MBOX5); - /* Fall through */ + fallthrough; case 5: param[4] = sbus_readw(qpti->qregs + MBOX4); - /* Fall through */ + fallthrough; case 4: param[3] = sbus_readw(qpti->qregs + MBOX3); - /* Fall through */ + fallthrough; case 3: param[2] = sbus_readw(qpti->qregs + MBOX2); - /* Fall through */ + fallthrough; case 2: param[1] = sbus_readw(qpti->qregs + MBOX1); - /* Fall through */ + fallthrough; case 1: param[0] = sbus_readw(qpti->qregs + MBOX0); } diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c index 139f0073da371b..1ad7260d4758f4 100644 --- a/drivers/scsi/scsi_debug.c +++ b/drivers/scsi/scsi_debug.c @@ -4482,8 +4482,6 @@ static int resp_open_zone(struct scsi_cmnd *scp, struct sdebug_dev_info *devip) goto fini; } - if (zc == ZC2_IMPLICIT_OPEN) - zbc_close_zone(devip, zsp); zbc_open_zone(devip, zsp, true); fini: write_unlock(macc_lckp); diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c index 927b1e6418423f..7d3571a2bd89bb 100644 --- a/drivers/scsi/scsi_error.c +++ b/drivers/scsi/scsi_error.c @@ -599,7 +599,7 @@ int scsi_check_sense(struct scsi_cmnd *scmd) set_host_byte(scmd, DID_ALLOC_FAILURE); return SUCCESS; } - /* FALLTHROUGH */ + fallthrough; case COPY_ABORTED: case VOLUME_OVERFLOW: case MISCOMPARE: @@ -621,7 +621,7 @@ int scsi_check_sense(struct scsi_cmnd *scmd) return ADD_TO_MLQUEUE; else set_host_byte(scmd, DID_TARGET_FAILURE); - /* FALLTHROUGH */ + fallthrough; case ILLEGAL_REQUEST: if (sshdr.asc == 0x20 || /* Invalid command operation code */ @@ -734,7 +734,7 @@ static int scsi_eh_completed_normally(struct scsi_cmnd *scmd) switch (status_byte(scmd->result)) { case GOOD: scsi_handle_queue_ramp_up(scmd->device); - /* FALLTHROUGH */ + fallthrough; case COMMAND_TERMINATED: return SUCCESS; case CHECK_CONDITION: @@ -755,7 +755,7 @@ static int scsi_eh_completed_normally(struct scsi_cmnd *scmd) return FAILED; case QUEUE_FULL: scsi_handle_queue_full(scmd->device); - /* fall through */ + fallthrough; case BUSY: return NEEDS_RETRY; default: @@ -1302,7 +1302,7 @@ retry_tur: case NEEDS_RETRY: if (retry_cnt--) goto retry_tur; - /*FALLTHRU*/ + fallthrough; case SUCCESS: return 0; default: @@ -1739,7 +1739,7 @@ int scsi_noretry_cmd(struct scsi_cmnd *scmd) if (msg_byte(scmd->result) == COMMAND_COMPLETE && status_byte(scmd->result) == RESERVATION_CONFLICT) return 0; - /* fall through */ + fallthrough; case DID_SOFT_ERROR: return (scmd->request->cmd_flags & REQ_FAILFAST_DRIVER); } @@ -1810,7 +1810,7 @@ int scsi_decide_disposition(struct scsi_cmnd *scmd) set_host_byte(scmd, DID_TIME_OUT); return SUCCESS; } - /* FALLTHROUGH */ + fallthrough; case DID_NO_CONNECT: case DID_BAD_TARGET: /* @@ -1854,7 +1854,7 @@ int scsi_decide_disposition(struct scsi_cmnd *scmd) * lower down */ break; - /* fallthrough */ + fallthrough; case DID_BUS_BUSY: case DID_PARITY: goto maybe_retry; @@ -1892,7 +1892,7 @@ int scsi_decide_disposition(struct scsi_cmnd *scmd) * the case of trying to send too many commands to a * tagged queueing device. */ - /* FALLTHROUGH */ + fallthrough; case BUSY: /* * device can't talk to us at the moment. Should only @@ -1905,7 +1905,7 @@ int scsi_decide_disposition(struct scsi_cmnd *scmd) if (scmd->cmnd[0] == REPORT_LUNS) scmd->device->sdev_target->expecting_lun_change = 0; scsi_handle_queue_ramp_up(scmd->device); - /* FALLTHROUGH */ + fallthrough; case COMMAND_TERMINATED: return SUCCESS; case TASK_ABORTED: @@ -2376,22 +2376,22 @@ scsi_ioctl_reset(struct scsi_device *dev, int __user *arg) rtn = scsi_try_bus_device_reset(scmd); if (rtn == SUCCESS || (val & SG_SCSI_RESET_NO_ESCALATE)) break; - /* FALLTHROUGH */ + fallthrough; case SG_SCSI_RESET_TARGET: rtn = scsi_try_target_reset(scmd); if (rtn == SUCCESS || (val & SG_SCSI_RESET_NO_ESCALATE)) break; - /* FALLTHROUGH */ + fallthrough; case SG_SCSI_RESET_BUS: rtn = scsi_try_bus_reset(scmd); if (rtn == SUCCESS || (val & SG_SCSI_RESET_NO_ESCALATE)) break; - /* FALLTHROUGH */ + fallthrough; case SG_SCSI_RESET_HOST: rtn = scsi_try_host_reset(scmd); if (rtn == SUCCESS) break; - /* FALLTHROUGH */ + fallthrough; default: rtn = FAILED; break; diff --git a/drivers/scsi/scsi_ioctl.c b/drivers/scsi/scsi_ioctl.c index 45d04b7b264398..14872c9dc78cc6 100644 --- a/drivers/scsi/scsi_ioctl.c +++ b/drivers/scsi/scsi_ioctl.c @@ -117,14 +117,14 @@ static int ioctl_internal_command(struct scsi_device *sdev, char *cmd, case NOT_READY: /* This happens if there is no disc in drive */ if (sdev->removable) break; - /* FALLTHROUGH */ + fallthrough; case UNIT_ATTENTION: if (sdev->removable) { sdev->changed = 1; result = 0; /* This is no longer considered an error */ break; } - /* FALLTHROUGH -- for non-removable media */ + fallthrough; /* for non-removable media */ default: sdev_printk(KERN_INFO, sdev, "ioctl_internal_command return code = %x\n", diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index 7c6dd6f751907b..7affaaf8b98e0c 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -795,7 +795,7 @@ static void scsi_io_completion_action(struct scsi_cmnd *cmd, int result) } if (!scsi_end_request(req, blk_stat, blk_rq_err_bytes(req))) return; - /*FALLTHRU*/ + fallthrough; case ACTION_REPREP: scsi_io_completion_reprep(cmd, q); break; diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index 95018e650f2d0c..16503e22691eda 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -2964,26 +2964,32 @@ static void sd_read_block_characteristics(struct scsi_disk *sdkp) if (sdkp->device->type == TYPE_ZBC) { /* Host-managed */ - q->limits.zoned = BLK_ZONED_HM; + blk_queue_set_zoned(sdkp->disk, BLK_ZONED_HM); } else { sdkp->zoned = (buffer[8] >> 4) & 3; - if (sdkp->zoned == 1 && !disk_has_partitions(sdkp->disk)) { + if (sdkp->zoned == 1) { /* Host-aware */ - q->limits.zoned = BLK_ZONED_HA; + blk_queue_set_zoned(sdkp->disk, BLK_ZONED_HA); } else { - /* - * Treat drive-managed devices and host-aware devices - * with partitions as regular block devices. - */ - q->limits.zoned = BLK_ZONED_NONE; - if (sdkp->zoned == 2 && sdkp->first_scan) - sd_printk(KERN_NOTICE, sdkp, - "Drive-managed SMR disk\n"); + /* Regular disk or drive managed disk */ + blk_queue_set_zoned(sdkp->disk, BLK_ZONED_NONE); } } - if (blk_queue_is_zoned(q) && sdkp->first_scan) + + if (!sdkp->first_scan) + goto out; + + if (blk_queue_is_zoned(q)) { sd_printk(KERN_NOTICE, sdkp, "Host-%s zoned block device\n", q->limits.zoned == BLK_ZONED_HM ? "managed" : "aware"); + } else { + if (sdkp->zoned == 1) + sd_printk(KERN_NOTICE, sdkp, + "Host-aware SMR disk used as regular disk\n"); + else if (sdkp->zoned == 2) + sd_printk(KERN_NOTICE, sdkp, + "Drive-managed SMR disk\n"); + } out: kfree(buffer); @@ -3404,10 +3410,6 @@ static int sd_probe(struct device *dev) sdkp->first_scan = 1; sdkp->max_medium_access_timeouts = SD_MAX_MEDIUM_TIMEOUTS; - error = sd_zbc_init_disk(sdkp); - if (error) - goto out_free_index; - sd_revalidate_disk(gd); gd->flags = GENHD_FL_EXT_DEVT; diff --git a/drivers/scsi/sd.h b/drivers/scsi/sd.h index 4933e7daf17d77..a3aad608bc3837 100644 --- a/drivers/scsi/sd.h +++ b/drivers/scsi/sd.h @@ -215,7 +215,6 @@ static inline int sd_is_zoned(struct scsi_disk *sdkp) #ifdef CONFIG_BLK_DEV_ZONED -int sd_zbc_init_disk(struct scsi_disk *sdkp); void sd_zbc_release_disk(struct scsi_disk *sdkp); int sd_zbc_read_zones(struct scsi_disk *sdkp, unsigned char *buffer); int sd_zbc_revalidate_zones(struct scsi_disk *sdkp); @@ -231,11 +230,6 @@ blk_status_t sd_zbc_prepare_zone_append(struct scsi_cmnd *cmd, sector_t *lba, #else /* CONFIG_BLK_DEV_ZONED */ -static inline int sd_zbc_init_disk(struct scsi_disk *sdkp) -{ - return 0; -} - static inline void sd_zbc_release_disk(struct scsi_disk *sdkp) {} static inline int sd_zbc_read_zones(struct scsi_disk *sdkp, @@ -259,7 +253,7 @@ static inline blk_status_t sd_zbc_setup_zone_mgmt_cmnd(struct scsi_cmnd *cmd, static inline unsigned int sd_zbc_complete(struct scsi_cmnd *cmd, unsigned int good_bytes, struct scsi_sense_hdr *sshdr) { - return 0; + return good_bytes; } static inline blk_status_t sd_zbc_prepare_zone_append(struct scsi_cmnd *cmd, diff --git a/drivers/scsi/sd_zbc.c b/drivers/scsi/sd_zbc.c index 0e94ff056bff4f..cf07b7f9357906 100644 --- a/drivers/scsi/sd_zbc.c +++ b/drivers/scsi/sd_zbc.c @@ -651,6 +651,28 @@ static void sd_zbc_print_zones(struct scsi_disk *sdkp) sdkp->zone_blocks); } +static int sd_zbc_init_disk(struct scsi_disk *sdkp) +{ + sdkp->zones_wp_offset = NULL; + spin_lock_init(&sdkp->zones_wp_offset_lock); + sdkp->rev_wp_offset = NULL; + mutex_init(&sdkp->rev_mutex); + INIT_WORK(&sdkp->zone_wp_offset_work, sd_zbc_update_wp_offset_workfn); + sdkp->zone_wp_update_buf = kzalloc(SD_BUF_SIZE, GFP_KERNEL); + if (!sdkp->zone_wp_update_buf) + return -ENOMEM; + + return 0; +} + +void sd_zbc_release_disk(struct scsi_disk *sdkp) +{ + kvfree(sdkp->zones_wp_offset); + sdkp->zones_wp_offset = NULL; + kfree(sdkp->zone_wp_update_buf); + sdkp->zone_wp_update_buf = NULL; +} + static void sd_zbc_revalidate_zones_cb(struct gendisk *disk) { struct scsi_disk *sdkp = scsi_disk(disk); @@ -667,7 +689,24 @@ int sd_zbc_revalidate_zones(struct scsi_disk *sdkp) u32 max_append; int ret = 0; - if (!sd_is_zoned(sdkp)) + /* + * For all zoned disks, initialize zone append emulation data if not + * already done. This is necessary also for host-aware disks used as + * regular disks due to the presence of partitions as these partitions + * may be deleted and the disk zoned model changed back from + * BLK_ZONED_NONE to BLK_ZONED_HA. + */ + if (sd_is_zoned(sdkp) && !sdkp->zone_wp_update_buf) { + ret = sd_zbc_init_disk(sdkp); + if (ret) + return ret; + } + + /* + * There is nothing to do for regular disks, including host-aware disks + * that have partitions. + */ + if (!blk_queue_is_zoned(q)) return 0; /* @@ -764,28 +803,3 @@ err: return ret; } - -int sd_zbc_init_disk(struct scsi_disk *sdkp) -{ - if (!sd_is_zoned(sdkp)) - return 0; - - sdkp->zones_wp_offset = NULL; - spin_lock_init(&sdkp->zones_wp_offset_lock); - sdkp->rev_wp_offset = NULL; - mutex_init(&sdkp->rev_mutex); - INIT_WORK(&sdkp->zone_wp_offset_work, sd_zbc_update_wp_offset_workfn); - sdkp->zone_wp_update_buf = kzalloc(SD_BUF_SIZE, GFP_KERNEL); - if (!sdkp->zone_wp_update_buf) - return -ENOMEM; - - return 0; -} - -void sd_zbc_release_disk(struct scsi_disk *sdkp) -{ - kvfree(sdkp->zones_wp_offset); - sdkp->zones_wp_offset = NULL; - kfree(sdkp->zone_wp_update_buf); - sdkp->zone_wp_update_buf = NULL; -} diff --git a/drivers/scsi/smartpqi/smartpqi_init.c b/drivers/scsi/smartpqi/smartpqi_init.c index bd38c8cea56e14..ca1e6cf6a38ef6 100644 --- a/drivers/scsi/smartpqi/smartpqi_init.c +++ b/drivers/scsi/smartpqi/smartpqi_init.c @@ -516,7 +516,7 @@ static int pqi_build_raid_path_request(struct pqi_ctrl_info *ctrl_info, break; case BMIC_SENSE_DIAG_OPTIONS: cdb_length = 0; - /* fall through */ + fallthrough; case BMIC_IDENTIFY_CONTROLLER: case BMIC_IDENTIFY_PHYSICAL_DEVICE: case BMIC_SENSE_SUBSYSTEM_INFORMATION: @@ -527,7 +527,7 @@ static int pqi_build_raid_path_request(struct pqi_ctrl_info *ctrl_info, break; case BMIC_SET_DIAG_OPTIONS: cdb_length = 0; - /* fall through */ + fallthrough; case BMIC_WRITE_HOST_WELLNESS: request->data_direction = SOP_WRITE_FLAG; cdb[0] = BMIC_WRITE; @@ -2324,7 +2324,7 @@ static int pqi_raid_bypass_submit_scsi_cmd(struct pqi_ctrl_info *ctrl_info, switch (scmd->cmnd[0]) { case WRITE_6: is_write = true; - /* fall through */ + fallthrough; case READ_6: first_block = (u64)(((scmd->cmnd[1] & 0x1f) << 16) | (scmd->cmnd[2] << 8) | scmd->cmnd[3]); @@ -2334,21 +2334,21 @@ static int pqi_raid_bypass_submit_scsi_cmd(struct pqi_ctrl_info *ctrl_info, break; case WRITE_10: is_write = true; - /* fall through */ + fallthrough; case READ_10: first_block = (u64)get_unaligned_be32(&scmd->cmnd[2]); block_cnt = (u32)get_unaligned_be16(&scmd->cmnd[7]); break; case WRITE_12: is_write = true; - /* fall through */ + fallthrough; case READ_12: first_block = (u64)get_unaligned_be32(&scmd->cmnd[2]); block_cnt = get_unaligned_be32(&scmd->cmnd[6]); break; case WRITE_16: is_write = true; - /* fall through */ + fallthrough; case READ_16: first_block = get_unaligned_be64(&scmd->cmnd[2]); block_cnt = get_unaligned_be32(&scmd->cmnd[10]); @@ -2948,7 +2948,7 @@ static unsigned int pqi_process_io_intr(struct pqi_ctrl_info *ctrl_info, case PQI_RESPONSE_IU_AIO_PATH_IO_SUCCESS: if (io_request->scmd) io_request->scmd->result = 0; - /* fall through */ + fallthrough; case PQI_RESPONSE_IU_GENERAL_MANAGEMENT: break; case PQI_RESPONSE_IU_VENDOR_GENERAL: @@ -3115,12 +3115,11 @@ static void pqi_process_soft_reset(struct pqi_ctrl_info *ctrl_info, switch (reset_status) { case RESET_INITIATE_DRIVER: - /* fall through */ case RESET_TIMEDOUT: dev_info(&ctrl_info->pci_dev->dev, "resetting controller %u\n", ctrl_info->ctrl_id); sis_soft_reset(ctrl_info); - /* fall through */ + fallthrough; case RESET_INITIATE_FIRMWARE: rc = pqi_ofa_ctrl_restart(ctrl_info); pqi_ofa_free_host_buffer(ctrl_info); diff --git a/drivers/scsi/sr.c b/drivers/scsi/sr.c index 0c4aa4665a2f9d..3b3a53c6a0de53 100644 --- a/drivers/scsi/sr.c +++ b/drivers/scsi/sr.c @@ -877,10 +877,10 @@ static void get_sectorsize(struct scsi_cd *cd) case 2340: case 2352: sector_size = 2048; - /* fall through */ + fallthrough; case 2048: cd->capacity *= 4; - /* fall through */ + fallthrough; case 512: break; default: diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c index 87fbc0ea350b13..e2e5356a997de5 100644 --- a/drivers/scsi/st.c +++ b/drivers/scsi/st.c @@ -339,14 +339,14 @@ static void st_analyze_sense(struct st_request *SRpnt, struct st_cmdstatus *s) switch (sense[0] & 0x7f) { case 0x71: s->deferred = 1; - /* fall through */ + fallthrough; case 0x70: s->fixed_format = 1; s->flags = sense[2] & 0xe0; break; case 0x73: s->deferred = 1; - /* fall through */ + fallthrough; case 0x72: s->fixed_format = 0; ucp = scsi_sense_desc_find(sense, SCSI_SENSE_BUFFERSIZE, 4); @@ -2723,7 +2723,7 @@ static int st_int_ioctl(struct scsi_tape *STp, unsigned int cmd_in, unsigned lon switch (cmd_in) { case MTFSFM: chg_eof = 0; /* Changed from the FSF after this */ - /* fall through */ + fallthrough; case MTFSF: cmd[0] = SPACE; cmd[1] = 0x01; /* Space FileMarks */ @@ -2738,7 +2738,7 @@ static int st_int_ioctl(struct scsi_tape *STp, unsigned int cmd_in, unsigned lon break; case MTBSFM: chg_eof = 0; /* Changed from the FSF after this */ - /* fall through */ + fallthrough; case MTBSF: cmd[0] = SPACE; cmd[1] = 0x01; /* Space FileMarks */ diff --git a/drivers/scsi/sun3_scsi.c b/drivers/scsi/sun3_scsi.c index 701b842296f052..2e3fbc2fae976b 100644 --- a/drivers/scsi/sun3_scsi.c +++ b/drivers/scsi/sun3_scsi.c @@ -397,12 +397,12 @@ static int sun3scsi_dma_finish(int write_flag) case CSR_LEFT_3: *vaddr = (dregs->bpack_lo & 0xff00) >> 8; vaddr--; - /* Fall through */ + fallthrough; case CSR_LEFT_2: *vaddr = (dregs->bpack_hi & 0x00ff); vaddr--; - /* Fall through */ + fallthrough; case CSR_LEFT_1: *vaddr = (dregs->bpack_hi & 0xff00) >> 8; diff --git a/drivers/scsi/sym53c8xx_2/sym_fw.c b/drivers/scsi/sym53c8xx_2/sym_fw.c index 6d7651a7847e82..c6db61b61de3a5 100644 --- a/drivers/scsi/sym53c8xx_2/sym_fw.c +++ b/drivers/scsi/sym53c8xx_2/sym_fw.c @@ -523,7 +523,7 @@ void sym_fw_bind_script(struct sym_hcb *np, u32 *start, int len) new = old; break; } - /* fall through */ + fallthrough; default: new = 0; panic("sym_fw_bind_script: " diff --git a/drivers/scsi/sym53c8xx_2/sym_hipd.c b/drivers/scsi/sym53c8xx_2/sym_hipd.c index 8410117d5aa441..cc11daa1222b16 100644 --- a/drivers/scsi/sym53c8xx_2/sym_hipd.c +++ b/drivers/scsi/sym53c8xx_2/sym_hipd.c @@ -3059,7 +3059,7 @@ static void sym_sir_bad_scsi_status(struct sym_hcb *np, int num, struct sym_ccb sym_print_addr(cp->cmd, "%s\n", s_status == S_BUSY ? "BUSY" : "QUEUE FULL\n"); } - /* fall through */ + fallthrough; default: /* S_INT, S_INT_COND_MET, S_CONFLICT */ sym_complete_error (np, cp); break; @@ -4620,7 +4620,7 @@ static void sym_int_sir(struct sym_hcb *np) * Negotiation failed. * Target does not want answer message. */ - /* fall through */ + fallthrough; case SIR_NEGO_PROTO: sym_nego_default(np, tp, cp); goto out; diff --git a/drivers/scsi/sym53c8xx_2/sym_nvram.c b/drivers/scsi/sym53c8xx_2/sym_nvram.c index d37e2a69136ad6..e13d5351f155f3 100644 --- a/drivers/scsi/sym53c8xx_2/sym_nvram.c +++ b/drivers/scsi/sym53c8xx_2/sym_nvram.c @@ -695,7 +695,7 @@ static int sym_read_Tekram_nvram (struct sym_device *np, Tekram_nvram *nvram) data, len); if (!x) break; - /* fall through */ + fallthrough; default: x = sym_read_T93C46_nvram(np, nvram); break; diff --git a/drivers/scsi/ufs/ufs_bsg.c b/drivers/scsi/ufs/ufs_bsg.c index bcfbbd0d5c4560..5b2bc1a6f9226c 100644 --- a/drivers/scsi/ufs/ufs_bsg.c +++ b/drivers/scsi/ufs/ufs_bsg.c @@ -110,7 +110,7 @@ static int ufs_bsg_request(struct bsg_job *job) goto out; } - /* fall through */ + fallthrough; case UPIU_TRANSACTION_NOP_OUT: case UPIU_TRANSACTION_TASK_REQ: ret = ufshcd_exec_raw_upiu_cmd(hba, &bsg_request->upiu_req, diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index da199fa7a3e079..1d157ff58d8172 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -1612,7 +1612,7 @@ start: * currently running. Hence, fall through to cancel gating * work and to enable clocks. */ - /* fallthrough */ + fallthrough; case CLKS_OFF: ufshcd_scsi_block_requests(hba); hba->clk_gating.state = REQ_CLKS_ON; @@ -1624,7 +1624,7 @@ start: * fall through to check if we should wait for this * work to be done or not. */ - /* fallthrough */ + fallthrough; case REQ_CLKS_ON: if (async) { rc = -EAGAIN; @@ -4737,7 +4737,7 @@ ufshcd_scsi_cmd_status(struct ufshcd_lrb *lrbp, int scsi_status) switch (scsi_status) { case SAM_STAT_CHECK_CONDITION: ufshcd_copy_sense_data(lrbp); - /* fallthrough */ + fallthrough; case SAM_STAT_GOOD: result |= DID_OK << 16 | COMMAND_COMPLETE << 8 | @@ -6277,7 +6277,7 @@ int ufshcd_exec_raw_upiu_cmd(struct ufs_hba *hba, switch (msgcode) { case UPIU_TRANSACTION_NOP_OUT: cmd_type = DEV_CMD_TYPE_NOP; - /* fall through */ + fallthrough; case UPIU_TRANSACTION_QUERY_REQ: ufshcd_hold(hba, false); mutex_lock(&hba->dev_cmd.lock); diff --git a/drivers/scsi/virtio_scsi.c b/drivers/scsi/virtio_scsi.c index ca1c39b6f631f8..3b180343209034 100644 --- a/drivers/scsi/virtio_scsi.c +++ b/drivers/scsi/virtio_scsi.c @@ -148,7 +148,7 @@ static void virtscsi_complete_cmd(struct virtio_scsi *vscsi, void *buf) default: scmd_printk(KERN_WARNING, sc, "Unknown response %d", resp->response); - /* fall through */ + fallthrough; case VIRTIO_SCSI_S_FAILURE: set_host_byte(sc, DID_ERROR); break; diff --git a/drivers/scsi/vmw_pvscsi.c b/drivers/scsi/vmw_pvscsi.c index 8dbb4db6831afb..081f54ab7d86cb 100644 --- a/drivers/scsi/vmw_pvscsi.c +++ b/drivers/scsi/vmw_pvscsi.c @@ -607,7 +607,7 @@ static void pvscsi_complete_request(struct pvscsi_adapter *adapter, case BTSTAT_TAGREJECT: case BTSTAT_BADMSG: cmd->result = (DRIVER_INVALID << 24); - /* fall through */ + fallthrough; case BTSTAT_HAHARDWARE: case BTSTAT_INVPHASE: diff --git a/drivers/scsi/wd33c93.c b/drivers/scsi/wd33c93.c index f81046f0e68a69..87dafbc942d37e 100644 --- a/drivers/scsi/wd33c93.c +++ b/drivers/scsi/wd33c93.c @@ -1854,7 +1854,7 @@ round_4(unsigned int x) case 1: --x; break; case 2: ++x; - /* fall through */ + fallthrough; case 3: ++x; } return x; diff --git a/drivers/scsi/xen-scsifront.c b/drivers/scsi/xen-scsifront.c index f0068e96a177fc..259fc248d06cff 100644 --- a/drivers/scsi/xen-scsifront.c +++ b/drivers/scsi/xen-scsifront.c @@ -1111,7 +1111,7 @@ static void scsifront_backend_changed(struct xenbus_device *dev, case XenbusStateClosed: if (dev->state == XenbusStateClosed) break; - /* fall through - Missed the backend's Closing state */ + fallthrough; /* Missed the backend's Closing state */ case XenbusStateClosing: scsifront_disconnect(info); break; diff --git a/drivers/soc/qcom/socinfo.c b/drivers/soc/qcom/socinfo.c index e19102f463027a..b25d0f7dac9e8a 100644 --- a/drivers/soc/qcom/socinfo.c +++ b/drivers/soc/qcom/socinfo.c @@ -353,7 +353,7 @@ static void socinfo_debugfs_init(struct qcom_socinfo *qcom_socinfo, debugfs_create_u32("nmodem_supported", 0400, qcom_socinfo->dbg_root, &qcom_socinfo->info.nmodem_supported); - /* Fall through */ + fallthrough; case SOCINFO_VERSION(0, 14): qcom_socinfo->info.num_clusters = __le32_to_cpu(info->num_clusters); qcom_socinfo->info.ncluster_array_offset = __le32_to_cpu(info->ncluster_array_offset); @@ -368,14 +368,14 @@ static void socinfo_debugfs_init(struct qcom_socinfo *qcom_socinfo, &qcom_socinfo->info.num_defective_parts); debugfs_create_u32("ndefective_parts_array_offset", 0400, qcom_socinfo->dbg_root, &qcom_socinfo->info.ndefective_parts_array_offset); - /* Fall through */ + fallthrough; case SOCINFO_VERSION(0, 13): qcom_socinfo->info.nproduct_id = __le32_to_cpu(info->nproduct_id); debugfs_create_u32("nproduct_id", 0400, qcom_socinfo->dbg_root, &qcom_socinfo->info.nproduct_id); DEBUGFS_ADD(info, chip_id); - /* Fall through */ + fallthrough; case SOCINFO_VERSION(0, 12): qcom_socinfo->info.chip_family = __le32_to_cpu(info->chip_family); @@ -392,7 +392,7 @@ static void socinfo_debugfs_init(struct qcom_socinfo *qcom_socinfo, debugfs_create_x32("raw_device_number", 0400, qcom_socinfo->dbg_root, &qcom_socinfo->info.raw_device_num); - /* Fall through */ + fallthrough; case SOCINFO_VERSION(0, 11): case SOCINFO_VERSION(0, 10): case SOCINFO_VERSION(0, 9): @@ -400,12 +400,12 @@ static void socinfo_debugfs_init(struct qcom_socinfo *qcom_socinfo, debugfs_create_u32("foundry_id", 0400, qcom_socinfo->dbg_root, &qcom_socinfo->info.foundry_id); - /* Fall through */ + fallthrough; case SOCINFO_VERSION(0, 8): case SOCINFO_VERSION(0, 7): DEBUGFS_ADD(info, pmic_model); DEBUGFS_ADD(info, pmic_die_rev); - /* Fall through */ + fallthrough; case SOCINFO_VERSION(0, 6): qcom_socinfo->info.hw_plat_subtype = __le32_to_cpu(info->hw_plat_subtype); @@ -413,7 +413,7 @@ static void socinfo_debugfs_init(struct qcom_socinfo *qcom_socinfo, debugfs_create_u32("hardware_platform_subtype", 0400, qcom_socinfo->dbg_root, &qcom_socinfo->info.hw_plat_subtype); - /* Fall through */ + fallthrough; case SOCINFO_VERSION(0, 5): qcom_socinfo->info.accessory_chip = __le32_to_cpu(info->accessory_chip); @@ -421,27 +421,27 @@ static void socinfo_debugfs_init(struct qcom_socinfo *qcom_socinfo, debugfs_create_u32("accessory_chip", 0400, qcom_socinfo->dbg_root, &qcom_socinfo->info.accessory_chip); - /* Fall through */ + fallthrough; case SOCINFO_VERSION(0, 4): qcom_socinfo->info.plat_ver = __le32_to_cpu(info->plat_ver); debugfs_create_u32("platform_version", 0400, qcom_socinfo->dbg_root, &qcom_socinfo->info.plat_ver); - /* Fall through */ + fallthrough; case SOCINFO_VERSION(0, 3): qcom_socinfo->info.hw_plat = __le32_to_cpu(info->hw_plat); debugfs_create_u32("hardware_platform", 0400, qcom_socinfo->dbg_root, &qcom_socinfo->info.hw_plat); - /* Fall through */ + fallthrough; case SOCINFO_VERSION(0, 2): qcom_socinfo->info.raw_ver = __le32_to_cpu(info->raw_ver); debugfs_create_u32("raw_version", 0400, qcom_socinfo->dbg_root, &qcom_socinfo->info.raw_ver); - /* Fall through */ + fallthrough; case SOCINFO_VERSION(0, 1): DEBUGFS_ADD(info, build_id); break; diff --git a/drivers/soc/tegra/pmc.c b/drivers/soc/tegra/pmc.c index 42cf37a0556b30..d332e5d9abac49 100644 --- a/drivers/soc/tegra/pmc.c +++ b/drivers/soc/tegra/pmc.c @@ -2229,7 +2229,7 @@ static int tegra_pmc_clk_notify_cb(struct notifier_block *nb, case POST_RATE_CHANGE: pmc->rate = data->new_rate; - /* fall through */ + fallthrough; case ABORT_RATE_CHANGE: mutex_unlock(&pmc->powergates_lock); diff --git a/drivers/soundwire/bus.c b/drivers/soundwire/bus.c index e6e0fb9a81b4c0..da0201693c24d5 100644 --- a/drivers/soundwire/bus.c +++ b/drivers/soundwire/bus.c @@ -1372,7 +1372,7 @@ static int sdw_handle_slave_alerts(struct sdw_slave *slave) return ret; } - /* Read Instat 1, Instat 2 and Instat 3 registers */ + /* Read Intstat 1, Intstat 2 and Intstat 3 registers */ ret = sdw_read(slave, SDW_SCP_INT1); if (ret < 0) { dev_err(slave->bus->dev, diff --git a/drivers/soundwire/stream.c b/drivers/soundwire/stream.c index 37290a799023cb..6e36deb505b1e1 100644 --- a/drivers/soundwire/stream.c +++ b/drivers/soundwire/stream.c @@ -717,6 +717,7 @@ error: kfree(wbuf); error_1: kfree(wr_msg); + bus->defer_msg.msg = NULL; return ret; } @@ -840,9 +841,10 @@ static int do_bank_switch(struct sdw_stream_runtime *stream) error: list_for_each_entry(m_rt, &stream->master_list, stream_node) { bus = m_rt->bus; - - kfree(bus->defer_msg.msg->buf); - kfree(bus->defer_msg.msg); + if (bus->defer_msg.msg) { + kfree(bus->defer_msg.msg->buf); + kfree(bus->defer_msg.msg); + } } msg_unlock: diff --git a/drivers/spi/spi-bcm-qspi.c b/drivers/spi/spi-bcm-qspi.c index 681d0908517569..9cfa15ec8b08c4 100644 --- a/drivers/spi/spi-bcm-qspi.c +++ b/drivers/spi/spi-bcm-qspi.c @@ -1295,7 +1295,7 @@ static const struct of_device_id bcm_qspi_of_match[] = { }, { .compatible = "brcm,spi-bcm-qspi", - .data = &bcm_qspi_rev_data, + .data = &bcm_qspi_no_rev_data, }, { .compatible = "brcm,spi-bcm7216-qspi", diff --git a/drivers/spi/spi-bcm2835.c b/drivers/spi/spi-bcm2835.c index c45d76c848c8db..41986ac0fbfb2e 100644 --- a/drivers/spi/spi-bcm2835.c +++ b/drivers/spi/spi-bcm2835.c @@ -75,7 +75,7 @@ #define DRV_NAME "spi-bcm2835" /* define polling limits */ -unsigned int polling_limit_us = 30; +static unsigned int polling_limit_us = 30; module_param(polling_limit_us, uint, 0664); MODULE_PARM_DESC(polling_limit_us, "time in us to run a transfer in polling mode\n"); diff --git a/drivers/spi/spi-bcm2835aux.c b/drivers/spi/spi-bcm2835aux.c index 2f717812c76617..03b034c15d2beb 100644 --- a/drivers/spi/spi-bcm2835aux.c +++ b/drivers/spi/spi-bcm2835aux.c @@ -164,10 +164,10 @@ static inline void bcm2835aux_rd_fifo(struct bcm2835aux_spi *bs) switch (count) { case 3: *bs->rx_buf++ = (data >> 16) & 0xff; - /* fallthrough */ + fallthrough; case 2: *bs->rx_buf++ = (data >> 8) & 0xff; - /* fallthrough */ + fallthrough; case 1: *bs->rx_buf++ = (data >> 0) & 0xff; /* fallthrough - no default */ diff --git a/drivers/spi/spi-cadence-quadspi.c b/drivers/spi/spi-cadence-quadspi.c index 1c1a9d17eec0d4..c6795c684b16a6 100644 --- a/drivers/spi/spi-cadence-quadspi.c +++ b/drivers/spi/spi-cadence-quadspi.c @@ -907,14 +907,16 @@ static int cqspi_direct_read_execute(struct cqspi_flash_pdata *f_pdata, struct dma_async_tx_descriptor *tx; dma_cookie_t cookie; dma_addr_t dma_dst; + struct device *ddev; if (!cqspi->rx_chan || !virt_addr_valid(buf)) { memcpy_fromio(buf, cqspi->ahb_base + from, len); return 0; } - dma_dst = dma_map_single(dev, buf, len, DMA_FROM_DEVICE); - if (dma_mapping_error(dev, dma_dst)) { + ddev = cqspi->rx_chan->device->dev; + dma_dst = dma_map_single(ddev, buf, len, DMA_FROM_DEVICE); + if (dma_mapping_error(ddev, dma_dst)) { dev_err(dev, "dma mapping failed\n"); return -ENOMEM; } @@ -948,7 +950,7 @@ static int cqspi_direct_read_execute(struct cqspi_flash_pdata *f_pdata, } err_unmap: - dma_unmap_single(dev, dma_dst, len, DMA_FROM_DEVICE); + dma_unmap_single(ddev, dma_dst, len, DMA_FROM_DEVICE); return ret; } @@ -1128,8 +1130,17 @@ static int cqspi_request_mmap_dma(struct cqspi_st *cqspi) return 0; } +static const char *cqspi_get_name(struct spi_mem *mem) +{ + struct cqspi_st *cqspi = spi_master_get_devdata(mem->spi->master); + struct device *dev = &cqspi->pdev->dev; + + return devm_kasprintf(dev, GFP_KERNEL, "%s.%d", dev_name(dev), mem->spi->chip_select); +} + static const struct spi_controller_mem_ops cqspi_mem_ops = { .exec_op = cqspi_exec_mem_op, + .get_name = cqspi_get_name, }; static int cqspi_setup_flash(struct cqspi_st *cqspi) diff --git a/drivers/spi/spi-fsl-cpm.c b/drivers/spi/spi-fsl-cpm.c index 54ad0ac121e5bd..ee905880769e6c 100644 --- a/drivers/spi/spi-fsl-cpm.c +++ b/drivers/spi/spi-fsl-cpm.c @@ -226,7 +226,7 @@ static void fsl_spi_free_dummy_rx(void) case 1: kfree(fsl_dummy_rx); fsl_dummy_rx = NULL; - /* fall through */ + fallthrough; default: fsl_dummy_rx_refcnt--; break; @@ -294,7 +294,7 @@ int fsl_spi_cpm_init(struct mpc8xxx_spi *mspi) switch (mspi->subblock) { default: dev_warn(dev, "cell-index unspecified, assuming SPI1\n"); - /* fall through */ + fallthrough; case 0: mspi->subblock = QE_CR_SUBBLOCK_SPI1; break; diff --git a/drivers/spi/spi-fsl-dspi.c b/drivers/spi/spi-fsl-dspi.c index 91c6affe139c99..127323a4b27c45 100644 --- a/drivers/spi/spi-fsl-dspi.c +++ b/drivers/spi/spi-fsl-dspi.c @@ -174,17 +174,17 @@ static const struct fsl_dspi_devtype_data devtype_data[] = { .fifo_size = 16, }, [LS2080A] = { - .trans_mode = DSPI_DMA_MODE, + .trans_mode = DSPI_XSPI_MODE, .max_clock_factor = 8, .fifo_size = 4, }, [LS2085A] = { - .trans_mode = DSPI_DMA_MODE, + .trans_mode = DSPI_XSPI_MODE, .max_clock_factor = 8, .fifo_size = 4, }, [LX2160A] = { - .trans_mode = DSPI_DMA_MODE, + .trans_mode = DSPI_XSPI_MODE, .max_clock_factor = 8, .fifo_size = 4, }, @@ -1273,11 +1273,14 @@ static int dspi_probe(struct platform_device *pdev) void __iomem *base; bool big_endian; - ctlr = spi_alloc_master(&pdev->dev, sizeof(struct fsl_dspi)); + dspi = devm_kzalloc(&pdev->dev, sizeof(*dspi), GFP_KERNEL); + if (!dspi) + return -ENOMEM; + + ctlr = spi_alloc_master(&pdev->dev, 0); if (!ctlr) return -ENOMEM; - dspi = spi_controller_get_devdata(ctlr); dspi->pdev = pdev; dspi->ctlr = ctlr; @@ -1414,7 +1417,7 @@ poll_mode: if (dspi->devtype_data->trans_mode != DSPI_DMA_MODE) ctlr->ptp_sts_supported = true; - platform_set_drvdata(pdev, ctlr); + platform_set_drvdata(pdev, dspi); ret = spi_register_controller(ctlr); if (ret != 0) { @@ -1437,8 +1440,7 @@ out_ctlr_put: static int dspi_remove(struct platform_device *pdev) { - struct spi_controller *ctlr = platform_get_drvdata(pdev); - struct fsl_dspi *dspi = spi_controller_get_devdata(ctlr); + struct fsl_dspi *dspi = platform_get_drvdata(pdev); /* Disconnect from the SPI framework */ spi_unregister_controller(dspi->ctlr); diff --git a/drivers/spi/spi-fsl-espi.c b/drivers/spi/spi-fsl-espi.c index e60581283a247c..6d148ab70b93e7 100644 --- a/drivers/spi/spi-fsl-espi.c +++ b/drivers/spi/spi-fsl-espi.c @@ -564,13 +564,14 @@ static void fsl_espi_cpu_irq(struct fsl_espi *espi, u32 events) static irqreturn_t fsl_espi_irq(s32 irq, void *context_data) { struct fsl_espi *espi = context_data; - u32 events; + u32 events, mask; spin_lock(&espi->lock); /* Get interrupt events(tx/rx) */ events = fsl_espi_read_reg(espi, ESPI_SPIE); - if (!events) { + mask = fsl_espi_read_reg(espi, ESPI_SPIM); + if (!(events & mask)) { spin_unlock(&espi->lock); return IRQ_NONE; } diff --git a/drivers/spi/spi-loopback-test.c b/drivers/spi/spi-loopback-test.c index 9522d1b5786d5c..df981e55c24c99 100644 --- a/drivers/spi/spi-loopback-test.c +++ b/drivers/spi/spi-loopback-test.c @@ -90,7 +90,7 @@ static struct spi_test spi_tests[] = { { .description = "tx/rx-transfer - crossing PAGE_SIZE", .fill_option = FILL_COUNT_8, - .iterate_len = { ITERATE_MAX_LEN }, + .iterate_len = { ITERATE_LEN }, .iterate_tx_align = ITERATE_ALIGN, .iterate_rx_align = ITERATE_ALIGN, .transfer_count = 1, diff --git a/drivers/spi/spi-sprd-adi.c b/drivers/spi/spi-sprd-adi.c index bd23c4689b4631..127b8bd2583127 100644 --- a/drivers/spi/spi-sprd-adi.c +++ b/drivers/spi/spi-sprd-adi.c @@ -506,7 +506,7 @@ static int sprd_adi_probe(struct platform_device *pdev) default: dev_err(&pdev->dev, "failed to find hwlock id, %d\n", ret); - /* fall-through */ + fallthrough; case -EPROBE_DEFER: goto put_ctlr; } diff --git a/drivers/spi/spi-stm32.c b/drivers/spi/spi-stm32.c index d4b33b358a31ec..3056428b09f314 100644 --- a/drivers/spi/spi-stm32.c +++ b/drivers/spi/spi-stm32.c @@ -936,7 +936,11 @@ static irqreturn_t stm32h7_spi_irq_thread(int irq, void *dev_id) } if (sr & STM32H7_SPI_SR_SUSP) { - dev_warn(spi->dev, "Communication suspended\n"); + static DEFINE_RATELIMIT_STATE(rs, + DEFAULT_RATELIMIT_INTERVAL * 10, + 1); + if (__ratelimit(&rs)) + dev_dbg_ratelimited(spi->dev, "Communication suspended\n"); if (!spi->cur_usedma && (spi->rx_buf && (spi->rx_len > 0))) stm32h7_spi_read_rxfifo(spi, false); /* @@ -2060,7 +2064,7 @@ static int stm32_spi_resume(struct device *dev) } ret = pm_runtime_get_sync(dev); - if (ret) { + if (ret < 0) { dev_err(dev, "Unable to power device:%d\n", ret); return ret; } diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index dc12af018350cd..0cab239d8e7fc0 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -1327,8 +1327,6 @@ out: if (msg->status && ctlr->handle_err) ctlr->handle_err(ctlr, msg); - spi_res_release(ctlr, msg); - spi_finalize_current_message(ctlr); return ret; @@ -1725,6 +1723,13 @@ void spi_finalize_current_message(struct spi_controller *ctlr) spi_unmap_msg(ctlr, mesg); + /* In the prepare_messages callback the spi bus has the opportunity to + * split a transfer to smaller chunks. + * Release splited transfers here since spi_map_msg is done on the + * splited transfers. + */ + spi_res_release(ctlr, mesg); + if (ctlr->cur_msg_prepared && ctlr->unprepare_message) { ret = ctlr->unprepare_message(ctlr, mesg); if (ret) { diff --git a/drivers/ssb/driver_chipcommon.c b/drivers/ssb/driver_chipcommon.c index 823dc99be46f15..a8d2525e7af9e8 100644 --- a/drivers/ssb/driver_chipcommon.c +++ b/drivers/ssb/driver_chipcommon.c @@ -425,7 +425,7 @@ void ssb_chipco_get_clockcontrol(struct ssb_chipcommon *cc, *m = chipco_read32(cc, SSB_CHIPCO_CLOCK_M2); break; } - /* Fall through */ + fallthrough; default: *m = chipco_read32(cc, SSB_CHIPCO_CLOCK_SB); } diff --git a/drivers/ssb/driver_mipscore.c b/drivers/ssb/driver_mipscore.c index 1ca2ac5ef2b80f..354486b7ed3a71 100644 --- a/drivers/ssb/driver_mipscore.c +++ b/drivers/ssb/driver_mipscore.c @@ -342,7 +342,7 @@ void ssb_mipscore_init(struct ssb_mipscore *mcore) set_irq(dev, irq++); break; } - /* fallthrough */ + fallthrough; case SSB_DEV_EXTIF: set_irq(dev, 0); break; diff --git a/drivers/ssb/scan.c b/drivers/ssb/scan.c index b97a5c32d44abc..f49ab1aa2149ab 100644 --- a/drivers/ssb/scan.c +++ b/drivers/ssb/scan.c @@ -228,7 +228,7 @@ static void __iomem *ssb_ioremap(struct ssb_bus *bus, switch (bus->bustype) { case SSB_BUSTYPE_SSB: /* Only map the first core for now. */ - /* fallthrough... */ + fallthrough; case SSB_BUSTYPE_PCMCIA: mmio = ioremap(baseaddr, SSB_CORE_SIZE); break; diff --git a/drivers/staging/greybus/audio_helper.c b/drivers/staging/greybus/audio_helper.c index 8b100a71f02ef0..237531ba60f30e 100644 --- a/drivers/staging/greybus/audio_helper.c +++ b/drivers/staging/greybus/audio_helper.c @@ -173,8 +173,7 @@ static int gbaudio_remove_controls(struct snd_card *card, struct device *dev, id.index = control->index; kctl = snd_ctl_find_id(card, &id); if (!kctl) { - dev_err(dev, "%d: Failed to find %s\n", err, - control->name); + dev_err(dev, "Failed to find %s\n", control->name); continue; } err = snd_ctl_remove(card, kctl); diff --git a/drivers/staging/greybus/audio_topology.c b/drivers/staging/greybus/audio_topology.c index 2f9fdbdcd54701..83b38ae8908c1b 100644 --- a/drivers/staging/greybus/audio_topology.c +++ b/drivers/staging/greybus/audio_topology.c @@ -456,6 +456,15 @@ static int gbcodec_mixer_dapm_ctl_put(struct snd_kcontrol *kcontrol, val = ucontrol->value.integer.value[0] & mask; connect = !!val; + ret = gb_pm_runtime_get_sync(bundle); + if (ret) + return ret; + + ret = gb_audio_gb_get_control(module->mgmt_connection, data->ctl_id, + GB_AUDIO_INVALID_INDEX, &gbvalue); + if (ret) + goto exit; + /* update ucontrol */ if (gbvalue.value.integer_value[0] != val) { for (wi = 0; wi < wlist->num_widgets; wi++) { @@ -466,25 +475,17 @@ static int gbcodec_mixer_dapm_ctl_put(struct snd_kcontrol *kcontrol, gbvalue.value.integer_value[0] = cpu_to_le32(ucontrol->value.integer.value[0]); - ret = gb_pm_runtime_get_sync(bundle); - if (ret) - return ret; - ret = gb_audio_gb_set_control(module->mgmt_connection, data->ctl_id, GB_AUDIO_INVALID_INDEX, &gbvalue); - - gb_pm_runtime_put_autosuspend(bundle); - - if (ret) { - dev_err_ratelimited(codec_dev, - "%d:Error in %s for %s\n", ret, - __func__, kcontrol->id.name); - return ret; - } } - return 0; +exit: + gb_pm_runtime_put_autosuspend(bundle); + if (ret) + dev_err_ratelimited(codec_dev, "%d:Error in %s for %s\n", ret, + __func__, kcontrol->id.name); + return ret; } #define SOC_DAPM_MIXER_GB(xname, kcount, data) \ diff --git a/drivers/staging/media/atomisp/pci/atomisp_cmd.c b/drivers/staging/media/atomisp/pci/atomisp_cmd.c index 8ea65bef35d24f..a4e4eef55f352a 100644 --- a/drivers/staging/media/atomisp/pci/atomisp_cmd.c +++ b/drivers/staging/media/atomisp/pci/atomisp_cmd.c @@ -4984,7 +4984,7 @@ enum mipi_port_id __get_mipi_port(struct atomisp_device *isp, if (MIPI_PORT1_ID + 1 != N_MIPI_PORT_ID) { return MIPI_PORT1_ID + 1; } - /* fall through */ + fallthrough; default: dev_err(isp->dev, "unsupported port: %d\n", port); return MIPI_PORT0_ID; diff --git a/drivers/staging/media/atomisp/pci/atomisp_compat_css20.c b/drivers/staging/media/atomisp/pci/atomisp_compat_css20.c index cccc5bfa105732..1b2b2c68025b4c 100644 --- a/drivers/staging/media/atomisp/pci/atomisp_compat_css20.c +++ b/drivers/staging/media/atomisp/pci/atomisp_compat_css20.c @@ -704,14 +704,14 @@ static bool is_pipe_valid_to_current_run_mode(struct atomisp_sub_device *asd, return false; } - /* fall-through */ + fallthrough; case ATOMISP_RUN_MODE_CONTINUOUS_CAPTURE: if (pipe_id == IA_CSS_PIPE_ID_CAPTURE || pipe_id == IA_CSS_PIPE_ID_PREVIEW) return true; return false; - /* fall-through */ + fallthrough; case ATOMISP_RUN_MODE_VIDEO: if (!asd->continuous_mode->val) { if (pipe_id == IA_CSS_PIPE_ID_VIDEO || @@ -720,7 +720,7 @@ static bool is_pipe_valid_to_current_run_mode(struct atomisp_sub_device *asd, else return false; } - /* fall through */ + fallthrough; case ATOMISP_RUN_MODE_SDV: if (pipe_id == IA_CSS_PIPE_ID_CAPTURE || pipe_id == IA_CSS_PIPE_ID_VIDEO) @@ -2765,7 +2765,7 @@ static unsigned int atomisp_get_pipe_index(struct atomisp_sub_device *asd, if (!atomisp_is_mbuscode_raw(asd->fmt[asd->capture_pad].fmt.code)) { return IA_CSS_PIPE_ID_CAPTURE; } - /* fall through */ + fallthrough; case ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW: if (asd->yuvpp_mode) return IA_CSS_PIPE_ID_YUVPP; diff --git a/drivers/staging/media/atomisp/pci/atomisp_ioctl.c b/drivers/staging/media/atomisp/pci/atomisp_ioctl.c index f8d616f08b510f..65b0c8a662a06f 100644 --- a/drivers/staging/media/atomisp/pci/atomisp_ioctl.c +++ b/drivers/staging/media/atomisp/pci/atomisp_ioctl.c @@ -1467,7 +1467,6 @@ enum ia_css_pipe_id atomisp_get_css_pipe_id(struct atomisp_sub_device *asd) case ATOMISP_RUN_MODE_VIDEO: return IA_CSS_PIPE_ID_VIDEO; case ATOMISP_RUN_MODE_STILL_CAPTURE: - /* fall through */ default: return IA_CSS_PIPE_ID_CAPTURE; } diff --git a/drivers/staging/media/atomisp/pci/atomisp_v4l2.c b/drivers/staging/media/atomisp/pci/atomisp_v4l2.c index a000a1e316f78d..0114b040247b98 100644 --- a/drivers/staging/media/atomisp/pci/atomisp_v4l2.c +++ b/drivers/staging/media/atomisp/pci/atomisp_v4l2.c @@ -1086,7 +1086,7 @@ static int atomisp_subdev_probe(struct atomisp_device *isp) case RAW_CAMERA: dev_dbg(isp->dev, "raw_index: %d\n", raw_index); raw_index = isp->input_cnt; - /* fall through */ + fallthrough; case SOC_CAMERA: dev_dbg(isp->dev, "SOC_INDEX: %d\n", isp->input_cnt); if (isp->input_cnt >= ATOM_ISP_MAX_INPUTS) { diff --git a/drivers/staging/media/atomisp/pci/hmm/hmm_bo.c b/drivers/staging/media/atomisp/pci/hmm/hmm_bo.c index 4fb9bfdd2f4cee..f13af2329f4860 100644 --- a/drivers/staging/media/atomisp/pci/hmm/hmm_bo.c +++ b/drivers/staging/media/atomisp/pci/hmm/hmm_bo.c @@ -660,7 +660,7 @@ static void free_private_bo_pages(struct hmm_buffer_object *bo, break; } - /* fall through */ + fallthrough; /* * if dynamic memory pool doesn't exist, need to free diff --git a/drivers/staging/media/atomisp/pci/sh_css.c b/drivers/staging/media/atomisp/pci/sh_css.c index 54434c2dbaf904..a68cbb4995f0f3 100644 --- a/drivers/staging/media/atomisp/pci/sh_css.c +++ b/drivers/staging/media/atomisp/pci/sh_css.c @@ -4510,7 +4510,7 @@ ia_css_pipe_dequeue_buffer(struct ia_css_pipe *pipe, #endif pipe->stop_requested = false; } - /* fall through */ + fallthrough; case IA_CSS_BUFFER_TYPE_VF_OUTPUT_FRAME: case IA_CSS_BUFFER_TYPE_SEC_VF_OUTPUT_FRAME: frame = (struct ia_css_frame *)HOST_ADDRESS(ddr_buffer.kernel_ptr); diff --git a/drivers/staging/media/hantro/hantro_g1_mpeg2_dec.c b/drivers/staging/media/hantro/hantro_g1_mpeg2_dec.c index 24041849384a4b..6386a3989bfe9a 100644 --- a/drivers/staging/media/hantro/hantro_g1_mpeg2_dec.c +++ b/drivers/staging/media/hantro/hantro_g1_mpeg2_dec.c @@ -110,7 +110,7 @@ hantro_g1_mpeg2_dec_set_buffers(struct hantro_dev *vpu, struct hantro_ctx *ctx, case V4L2_MPEG2_PICTURE_CODING_TYPE_B: backward_addr = hantro_get_ref(ctx, slice_params->backward_ref_ts); - /* fall-through */ + fallthrough; case V4L2_MPEG2_PICTURE_CODING_TYPE_P: forward_addr = hantro_get_ref(ctx, slice_params->forward_ref_ts); diff --git a/drivers/staging/media/hantro/rk3399_vpu_hw_mpeg2_dec.c b/drivers/staging/media/hantro/rk3399_vpu_hw_mpeg2_dec.c index 7e9aad67148963..f610fa5b43354b 100644 --- a/drivers/staging/media/hantro/rk3399_vpu_hw_mpeg2_dec.c +++ b/drivers/staging/media/hantro/rk3399_vpu_hw_mpeg2_dec.c @@ -112,7 +112,7 @@ rk3399_vpu_mpeg2_dec_set_buffers(struct hantro_dev *vpu, case V4L2_MPEG2_PICTURE_CODING_TYPE_B: backward_addr = hantro_get_ref(ctx, slice_params->backward_ref_ts); - /* fall-through */ + fallthrough; case V4L2_MPEG2_PICTURE_CODING_TYPE_P: forward_addr = hantro_get_ref(ctx, slice_params->forward_ref_ts); diff --git a/drivers/staging/media/imx/imx-media-csi.c b/drivers/staging/media/imx/imx-media-csi.c index d92fd804488e90..21ebf77696964f 100644 --- a/drivers/staging/media/imx/imx-media-csi.c +++ b/drivers/staging/media/imx/imx-media-csi.c @@ -488,7 +488,7 @@ static int csi_idmac_setup_channel(struct csi_priv *priv) passthrough_cycles = incc->cycles; break; } - /* fallthrough - non-passthrough RGB565 (CSI-2 bus) */ + fallthrough; /* non-passthrough RGB565 (CSI-2 bus) */ default: burst_size = (image.pix.width & 0xf) ? 8 : 16; passthrough_bits = 16; diff --git a/drivers/staging/media/sunxi/cedrus/cedrus.c b/drivers/staging/media/sunxi/cedrus/cedrus.c index bc27f9430eeb14..7c6b91f0e780a3 100644 --- a/drivers/staging/media/sunxi/cedrus/cedrus.c +++ b/drivers/staging/media/sunxi/cedrus/cedrus.c @@ -199,6 +199,7 @@ static int cedrus_request_validate(struct media_request *req) struct v4l2_ctrl *ctrl_test; unsigned int count; unsigned int i; + int ret = 0; list_for_each_entry(obj, &req->objects, list) { struct vb2_buffer *vb; @@ -243,12 +244,16 @@ static int cedrus_request_validate(struct media_request *req) if (!ctrl_test) { v4l2_info(&ctx->dev->v4l2_dev, "Missing required codec control\n"); - return -ENOENT; + ret = -ENOENT; + break; } } v4l2_ctrl_request_hdl_put(hdl); + if (ret) + return ret; + return vb2_request_validate(req); } diff --git a/drivers/staging/media/usbvision/usbvision-i2c.c b/drivers/staging/media/usbvision/usbvision-i2c.c index 6e4df3335b1bef..aa3ff67a3cb1d3 100644 --- a/drivers/staging/media/usbvision/usbvision-i2c.c +++ b/drivers/staging/media/usbvision/usbvision-i2c.c @@ -303,13 +303,13 @@ usbvision_i2c_read_max4(struct usb_usbvision *usbvision, unsigned char addr, switch (len) { case 4: buf[3] = usbvision_read_reg(usbvision, USBVISION_SER_DAT4); - /* fall through */ + fallthrough; case 3: buf[2] = usbvision_read_reg(usbvision, USBVISION_SER_DAT3); - /* fall through */ + fallthrough; case 2: buf[1] = usbvision_read_reg(usbvision, USBVISION_SER_DAT2); - /* fall through */ + fallthrough; case 1: buf[0] = usbvision_read_reg(usbvision, USBVISION_SER_DAT1); break; diff --git a/drivers/staging/wlan-ng/hfa384x_usb.c b/drivers/staging/wlan-ng/hfa384x_usb.c index fa1bf8b069fda5..2720f7319a3d03 100644 --- a/drivers/staging/wlan-ng/hfa384x_usb.c +++ b/drivers/staging/wlan-ng/hfa384x_usb.c @@ -524,13 +524,8 @@ static void hfa384x_usb_defer(struct work_struct *data) */ void hfa384x_create(struct hfa384x *hw, struct usb_device *usb) { - memset(hw, 0, sizeof(*hw)); hw->usb = usb; - /* set up the endpoints */ - hw->endp_in = usb_rcvbulkpipe(usb, 1); - hw->endp_out = usb_sndbulkpipe(usb, 2); - /* Set up the waitq */ init_waitqueue_head(&hw->cmdq); diff --git a/drivers/staging/wlan-ng/prism2usb.c b/drivers/staging/wlan-ng/prism2usb.c index 456603fd26c0b9..4b08dc1da4f97b 100644 --- a/drivers/staging/wlan-ng/prism2usb.c +++ b/drivers/staging/wlan-ng/prism2usb.c @@ -61,23 +61,14 @@ static int prism2sta_probe_usb(struct usb_interface *interface, const struct usb_device_id *id) { struct usb_device *dev; - const struct usb_endpoint_descriptor *epd; - const struct usb_host_interface *iface_desc = interface->cur_altsetting; + struct usb_endpoint_descriptor *bulk_in, *bulk_out; + struct usb_host_interface *iface_desc = interface->cur_altsetting; struct wlandevice *wlandev = NULL; struct hfa384x *hw = NULL; int result = 0; - if (iface_desc->desc.bNumEndpoints != 2) { - result = -ENODEV; - goto failed; - } - - result = -EINVAL; - epd = &iface_desc->endpoint[1].desc; - if (!usb_endpoint_is_bulk_in(epd)) - goto failed; - epd = &iface_desc->endpoint[2].desc; - if (!usb_endpoint_is_bulk_out(epd)) + result = usb_find_common_endpoints(iface_desc, &bulk_in, &bulk_out, NULL, NULL); + if (result) goto failed; dev = interface_to_usbdev(interface); @@ -96,6 +87,8 @@ static int prism2sta_probe_usb(struct usb_interface *interface, } /* Initialize the hw data */ + hw->endp_in = usb_rcvbulkpipe(dev, bulk_in->bEndpointAddress); + hw->endp_out = usb_sndbulkpipe(dev, bulk_out->bEndpointAddress); hfa384x_create(hw, dev); hw->wlandev = wlandev; diff --git a/drivers/target/iscsi/cxgbit/cxgbit_main.c b/drivers/target/iscsi/cxgbit/cxgbit_main.c index 30ea37e1a3f5e1..bd37f2afadeaff 100644 --- a/drivers/target/iscsi/cxgbit/cxgbit_main.c +++ b/drivers/target/iscsi/cxgbit/cxgbit_main.c @@ -444,7 +444,7 @@ cxgbit_uld_lro_rx_handler(void *hndl, const __be64 *rsp, case CPL_RX_ISCSI_DDP: case CPL_FW4_ACK: lro_flush = false; - /* fall through */ + fallthrough; case CPL_ABORT_RPL_RSS: case CPL_PASS_ESTABLISH: case CPL_PEER_CLOSE: diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c index c9689610e186d6..7b56fe9f10628b 100644 --- a/drivers/target/iscsi/iscsi_target.c +++ b/drivers/target/iscsi/iscsi_target.c @@ -1389,14 +1389,27 @@ static u32 iscsit_do_crypto_hash_sg( sg = cmd->first_data_sg; page_off = cmd->first_data_sg_off; + if (data_length && page_off) { + struct scatterlist first_sg; + u32 len = min_t(u32, data_length, sg->length - page_off); + + sg_init_table(&first_sg, 1); + sg_set_page(&first_sg, sg_page(sg), len, sg->offset + page_off); + + ahash_request_set_crypt(hash, &first_sg, NULL, len); + crypto_ahash_update(hash); + + data_length -= len; + sg = sg_next(sg); + } + while (data_length) { - u32 cur_len = min_t(u32, data_length, (sg->length - page_off)); + u32 cur_len = min_t(u32, data_length, sg->length); ahash_request_set_crypt(hash, sg, NULL, cur_len); crypto_ahash_update(hash); data_length -= cur_len; - page_off = 0; /* iscsit_map_iovec has already checked for invalid sg pointers */ sg = sg_next(sg); } @@ -3740,7 +3753,7 @@ check_rsp_state: case ISTATE_SEND_LOGOUTRSP: if (!iscsit_logout_post_handler(cmd, conn)) return -ECONNRESET; - /* fall through */ + fallthrough; case ISTATE_SEND_STATUS: case ISTATE_SEND_ASYNCMSG: case ISTATE_SEND_NOPIN: diff --git a/drivers/target/iscsi/iscsi_target_login.c b/drivers/target/iscsi/iscsi_target_login.c index 85748e33885821..893d1b406c2925 100644 --- a/drivers/target/iscsi/iscsi_target_login.c +++ b/drivers/target/iscsi/iscsi_target_login.c @@ -1149,7 +1149,7 @@ void iscsit_free_conn(struct iscsi_conn *conn) } void iscsi_target_login_sess_out(struct iscsi_conn *conn, - struct iscsi_np *np, bool zero_tsih, bool new_sess) + bool zero_tsih, bool new_sess) { if (!new_sess) goto old_sess_out; @@ -1167,7 +1167,6 @@ void iscsi_target_login_sess_out(struct iscsi_conn *conn, conn->sess = NULL; old_sess_out: - iscsi_stop_login_thread_timer(np); /* * If login negotiation fails check if the Time2Retain timer * needs to be restarted. @@ -1407,8 +1406,9 @@ static int __iscsi_target_login_thread(struct iscsi_np *np) new_sess_out: new_sess = true; old_sess_out: + iscsi_stop_login_thread_timer(np); tpg_np = conn->tpg_np; - iscsi_target_login_sess_out(conn, np, zero_tsih, new_sess); + iscsi_target_login_sess_out(conn, zero_tsih, new_sess); new_sess = false; if (tpg) { diff --git a/drivers/target/iscsi/iscsi_target_login.h b/drivers/target/iscsi/iscsi_target_login.h index 3b8e3639ff5d01..fc95e6150253f6 100644 --- a/drivers/target/iscsi/iscsi_target_login.h +++ b/drivers/target/iscsi/iscsi_target_login.h @@ -22,8 +22,7 @@ extern int iscsit_put_login_tx(struct iscsi_conn *, struct iscsi_login *, u32); extern void iscsit_free_conn(struct iscsi_conn *); extern int iscsit_start_kthreads(struct iscsi_conn *); extern void iscsi_post_login_handler(struct iscsi_np *, struct iscsi_conn *, u8); -extern void iscsi_target_login_sess_out(struct iscsi_conn *, struct iscsi_np *, - bool, bool); +extern void iscsi_target_login_sess_out(struct iscsi_conn *, bool, bool); extern int iscsi_target_login_thread(void *); extern void iscsi_handle_login_thread_timeout(struct timer_list *t); diff --git a/drivers/target/iscsi/iscsi_target_nego.c b/drivers/target/iscsi/iscsi_target_nego.c index f88a52fec88952..8b40f10976ff8a 100644 --- a/drivers/target/iscsi/iscsi_target_nego.c +++ b/drivers/target/iscsi/iscsi_target_nego.c @@ -535,12 +535,11 @@ static bool iscsi_target_sk_check_and_clear(struct iscsi_conn *conn, unsigned in static void iscsi_target_login_drop(struct iscsi_conn *conn, struct iscsi_login *login) { - struct iscsi_np *np = login->np; bool zero_tsih = login->zero_tsih; iscsi_remove_failed_auth_entry(conn); iscsi_target_nego_release(conn); - iscsi_target_login_sess_out(conn, np, zero_tsih, true); + iscsi_target_login_sess_out(conn, zero_tsih, true); } struct conn_timeout { diff --git a/drivers/target/target_core_pr.c b/drivers/target/target_core_pr.c index 8fc88654bff63c..5f79ea05f9b815 100644 --- a/drivers/target/target_core_pr.c +++ b/drivers/target/target_core_pr.c @@ -345,7 +345,7 @@ static int core_scsi3_pr_seq_non_holder(struct se_cmd *cmd, u32 pr_reg_type, break; case PR_TYPE_WRITE_EXCLUSIVE_REGONLY: we = 1; - /* fall through */ + fallthrough; case PR_TYPE_EXCLUSIVE_ACCESS_REGONLY: /* * Some commands are only allowed for registered I_T Nexuses. @@ -354,7 +354,7 @@ static int core_scsi3_pr_seq_non_holder(struct se_cmd *cmd, u32 pr_reg_type, break; case PR_TYPE_WRITE_EXCLUSIVE_ALLREG: we = 1; - /* fall through */ + fallthrough; case PR_TYPE_EXCLUSIVE_ACCESS_ALLREG: /* * Each registered I_T Nexus is a reservation holder. diff --git a/drivers/target/target_core_sbc.c b/drivers/target/target_core_sbc.c index f1e81886122d0a..6e8b8d30938f6f 100644 --- a/drivers/target/target_core_sbc.c +++ b/drivers/target/target_core_sbc.c @@ -734,7 +734,7 @@ sbc_check_prot(struct se_device *dev, struct se_cmd *cmd, unsigned char *cdb, } if (!protect) return TCM_NO_SENSE; - /* Fallthrough */ + fallthrough; default: pr_err("Unable to determine pi_prot_type for CDB: 0x%02x " "PROTECT: 0x%02x\n", cdb[0], protect); diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c index 9fb0be0aa62043..ff26ab0a5f6005 100644 --- a/drivers/target/target_core_transport.c +++ b/drivers/target/target_core_transport.c @@ -1840,7 +1840,8 @@ int target_submit_tmr(struct se_cmd *se_cmd, struct se_session *se_sess, * out unpacked_lun for the original se_cmd. */ if (tm_type == TMR_ABORT_TASK && (flags & TARGET_SCF_LOOKUP_LUN_FROM_TAG)) { - if (!target_lookup_lun_from_tag(se_sess, tag, &unpacked_lun)) + if (!target_lookup_lun_from_tag(se_sess, tag, + &se_cmd->orig_fe_lun)) goto failure; } @@ -2236,7 +2237,7 @@ static void transport_complete_qf(struct se_cmd *cmd) ret = cmd->se_tfo->queue_data_in(cmd); break; } - /* fall through */ + fallthrough; case DMA_NONE: queue_status: trace_target_cmd_complete(cmd); @@ -2431,7 +2432,7 @@ queue_rsp: goto queue_full; break; } - /* fall through */ + fallthrough; case DMA_NONE: queue_status: trace_target_cmd_complete(cmd); diff --git a/drivers/target/tcm_fc/tfc_cmd.c b/drivers/target/tcm_fc/tfc_cmd.c index e9f0dda5ff92b3..a7ed56602c6cd2 100644 --- a/drivers/target/tcm_fc/tfc_cmd.c +++ b/drivers/target/tcm_fc/tfc_cmd.c @@ -537,7 +537,7 @@ static void ft_send_work(struct work_struct *work) case FCP_PTA_ACA: task_attr = TCM_ACA_TAG; break; - case FCP_PTA_SIMPLE: /* Fallthrough */ + case FCP_PTA_SIMPLE: default: task_attr = TCM_SIMPLE_TAG; } diff --git a/drivers/thermal/qcom/qcom-spmi-temp-alarm.c b/drivers/thermal/qcom/qcom-spmi-temp-alarm.c index bf7bae42c141c5..6dc879fea9c8a8 100644 --- a/drivers/thermal/qcom/qcom-spmi-temp-alarm.c +++ b/drivers/thermal/qcom/qcom-spmi-temp-alarm.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0-only /* - * Copyright (c) 2011-2015, 2017, The Linux Foundation. All rights reserved. + * Copyright (c) 2011-2015, 2017, 2020, The Linux Foundation. All rights reserved. */ #include <linux/bitops.h> @@ -191,7 +191,7 @@ static int qpnp_tm_get_temp(void *data, int *temp) chip->temp = mili_celsius; } - *temp = chip->temp < 0 ? 0 : chip->temp; + *temp = chip->temp; return 0; } diff --git a/drivers/thermal/qcom/tsens-v0_1.c b/drivers/thermal/qcom/tsens-v0_1.c index e64db5f80d909a..4ffa2e2c014577 100644 --- a/drivers/thermal/qcom/tsens-v0_1.c +++ b/drivers/thermal/qcom/tsens-v0_1.c @@ -220,7 +220,7 @@ static int calibrate_8916(struct tsens_priv *priv) p2[4] = (qfprom_cdata[1] & MSM8916_S4_P2_MASK) >> MSM8916_S4_P2_SHIFT; for (i = 0; i < priv->num_sensors; i++) p2[i] = ((base1 + p2[i]) << 3); - /* Fall through */ + fallthrough; case ONE_PT_CALIB2: base0 = (qfprom_cdata[0] & MSM8916_BASE0_MASK); p1[0] = (qfprom_cdata[0] & MSM8916_S0_P1_MASK) >> MSM8916_S0_P1_SHIFT; @@ -355,7 +355,7 @@ static int calibrate_8974(struct tsens_priv *priv) p2[8] = (calib[5] & S8_P2_BKP_MASK) >> S8_P2_BKP_SHIFT; p2[9] = (calib[5] & S9_P2_BKP_MASK) >> S9_P2_BKP_SHIFT; p2[10] = (calib[5] & S10_P2_BKP_MASK) >> S10_P2_BKP_SHIFT; - /* Fall through */ + fallthrough; case ONE_PT_CALIB: case ONE_PT_CALIB2: base1 = bkp[0] & BASE1_MASK; @@ -390,7 +390,7 @@ static int calibrate_8974(struct tsens_priv *priv) p2[8] = (calib[4] & S8_P2_MASK) >> S8_P2_SHIFT; p2[9] = (calib[4] & S9_P2_MASK) >> S9_P2_SHIFT; p2[10] = (calib[4] & S10_P2_MASK) >> S10_P2_SHIFT; - /* Fall through */ + fallthrough; case ONE_PT_CALIB: case ONE_PT_CALIB2: base1 = calib[0] & BASE1_MASK; @@ -420,7 +420,7 @@ static int calibrate_8974(struct tsens_priv *priv) p2[i] <<= 2; p2[i] |= BIT_APPEND; } - /* Fall through */ + fallthrough; case ONE_PT_CALIB2: for (i = 0; i < priv->num_sensors; i++) { p1[i] += base1; diff --git a/drivers/thermal/qcom/tsens-v1.c b/drivers/thermal/qcom/tsens-v1.c index b682a4df00810c..3c19a3800c6d68 100644 --- a/drivers/thermal/qcom/tsens-v1.c +++ b/drivers/thermal/qcom/tsens-v1.c @@ -202,7 +202,7 @@ static int calibrate_v1(struct tsens_priv *priv) p2[9] = (qfprom_cdata[3] & S9_P2_MASK) >> S9_P2_SHIFT; for (i = 0; i < priv->num_sensors; i++) p2[i] = ((base1 + p2[i]) << 2); - /* Fall through */ + fallthrough; case ONE_PT_CALIB2: base0 = (qfprom_cdata[4] & BASE0_MASK) >> BASE0_SHIFT; p1[0] = (qfprom_cdata[0] & S0_P1_MASK) >> S0_P1_SHIFT; @@ -263,7 +263,7 @@ static int calibrate_8976(struct tsens_priv *priv) for (i = 0; i < priv->num_sensors; i++) p2[i] = ((base1 + p2[i]) << 2); - /* Fall through */ + fallthrough; case ONE_PT_CALIB2: base0 = qfprom_cdata[0] & MSM8976_BASE0_MASK; p1[0] = (qfprom_cdata[0] & MSM8976_S0_P1_MASK) >> MSM8976_S0_P1_SHIFT; diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c index 72bf159bceccd8..a6616e530a84d2 100644 --- a/drivers/thermal/thermal_core.c +++ b/drivers/thermal/thermal_core.c @@ -1516,7 +1516,7 @@ EXPORT_SYMBOL_GPL(thermal_zone_device_register); */ void thermal_zone_device_unregister(struct thermal_zone_device *tz) { - int i; + int i, tz_id; const struct thermal_zone_params *tzp; struct thermal_cooling_device *cdev; struct thermal_zone_device *pos = NULL; @@ -1525,6 +1525,7 @@ void thermal_zone_device_unregister(struct thermal_zone_device *tz) return; tzp = tz->tzp; + tz_id = tz->id; mutex_lock(&thermal_list_lock); list_for_each_entry(pos, &thermal_tz_list, node) @@ -1567,7 +1568,7 @@ void thermal_zone_device_unregister(struct thermal_zone_device *tz) mutex_destroy(&tz->lock); device_unregister(&tz->device); - thermal_notify_tz_delete(tz->id); + thermal_notify_tz_delete(tz_id); } EXPORT_SYMBOL_GPL(thermal_zone_device_unregister); diff --git a/drivers/thermal/ti-soc-thermal/omap4-thermal-data.c b/drivers/thermal/ti-soc-thermal/omap4-thermal-data.c index 63b02bfb2adf65..fdb8a495ab69a8 100644 --- a/drivers/thermal/ti-soc-thermal/omap4-thermal-data.c +++ b/drivers/thermal/ti-soc-thermal/omap4-thermal-data.c @@ -37,20 +37,21 @@ static struct temp_sensor_data omap4430_mpu_temp_sensor_data = { /* * Temperature values in milli degree celsius - * ADC code values from 530 to 923 + * ADC code values from 13 to 107, see TRM + * "18.4.10.2.3 ADC Codes Versus Temperature". */ static const int omap4430_adc_to_temp[OMAP4430_ADC_END_VALUE - OMAP4430_ADC_START_VALUE + 1] = { - -38000, -35000, -34000, -32000, -30000, -28000, -26000, -24000, -22000, - -20000, -18000, -17000, -15000, -13000, -12000, -10000, -8000, -6000, - -5000, -3000, -1000, 0, 2000, 3000, 5000, 6000, 8000, 10000, 12000, - 13000, 15000, 17000, 19000, 21000, 23000, 25000, 27000, 28000, 30000, - 32000, 33000, 35000, 37000, 38000, 40000, 42000, 43000, 45000, 47000, - 48000, 50000, 52000, 53000, 55000, 57000, 58000, 60000, 62000, 64000, - 66000, 68000, 70000, 71000, 73000, 75000, 77000, 78000, 80000, 82000, - 83000, 85000, 87000, 88000, 90000, 92000, 93000, 95000, 97000, 98000, - 100000, 102000, 103000, 105000, 107000, 109000, 111000, 113000, 115000, - 117000, 118000, 120000, 122000, 123000, + -40000, -38000, -35000, -34000, -32000, -30000, -28000, -26000, -24000, + -22000, -20000, -18500, -17000, -15000, -13500, -12000, -10000, -8000, + -6500, -5000, -3500, -1500, 0, 2000, 3500, 5000, 6500, 8500, 10000, + 12000, 13500, 15000, 17000, 19000, 21000, 23000, 25000, 27000, 28500, + 30000, 32000, 33500, 35000, 37000, 38500, 40000, 42000, 43500, 45000, + 47000, 48500, 50000, 52000, 53500, 55000, 57000, 58500, 60000, 62000, + 64000, 66000, 68000, 70000, 71500, 73500, 75000, 77000, 78500, 80000, + 82000, 83500, 85000, 87000, 88500, 90000, 92000, 93500, 95000, 97000, + 98500, 100000, 102000, 103500, 105000, 107000, 109000, 111000, 113000, + 115000, 117000, 118500, 120000, 122000, 123500, 125000, }; /* OMAP4430 data */ diff --git a/drivers/thermal/ti-soc-thermal/omap4xxx-bandgap.h b/drivers/thermal/ti-soc-thermal/omap4xxx-bandgap.h index a453ff8eb313e1..9a3955c3853ba1 100644 --- a/drivers/thermal/ti-soc-thermal/omap4xxx-bandgap.h +++ b/drivers/thermal/ti-soc-thermal/omap4xxx-bandgap.h @@ -53,9 +53,13 @@ * and thresholds for OMAP4430. */ -/* ADC conversion table limits */ -#define OMAP4430_ADC_START_VALUE 0 -#define OMAP4430_ADC_END_VALUE 127 +/* + * ADC conversion table limits. Ignore values outside the TRM listed + * range to avoid bogus thermal shutdowns. See omap4430 TRM chapter + * "18.4.10.2.3 ADC Codes Versus Temperature". + */ +#define OMAP4430_ADC_START_VALUE 13 +#define OMAP4430_ADC_END_VALUE 107 /* bandgap clock limits (no control on 4430) */ #define OMAP4430_MAX_FREQ 32768 #define OMAP4430_MIN_FREQ 32768 diff --git a/drivers/thunderbolt/ctl.c b/drivers/thunderbolt/ctl.c index f77ceae5c7d789..394a23ce6ca476 100644 --- a/drivers/thunderbolt/ctl.c +++ b/drivers/thunderbolt/ctl.c @@ -453,7 +453,7 @@ static void tb_ctl_rx_callback(struct tb_ring *ring, struct ring_frame *frame, "RX: checksum mismatch, dropping packet\n"); goto rx; } - /* Fall through */ + fallthrough; case TB_CFG_PKG_ICM_EVENT: if (tb_ctl_handle_event(pkg->ctl, frame->eof, pkg, frame->size)) goto rx; diff --git a/drivers/thunderbolt/eeprom.c b/drivers/thunderbolt/eeprom.c index 3ebca44ab3faa3..0c8471be3e32f9 100644 --- a/drivers/thunderbolt/eeprom.c +++ b/drivers/thunderbolt/eeprom.c @@ -7,6 +7,7 @@ */ #include <linux/crc32.h> +#include <linux/delay.h> #include <linux/property.h> #include <linux/slab.h> #include "tb.h" @@ -389,8 +390,8 @@ static int tb_drom_parse_entries(struct tb_switch *sw) struct tb_drom_entry_header *entry = (void *) (sw->drom + pos); if (pos + 1 == drom_size || pos + entry->len > drom_size || !entry->len) { - tb_sw_warn(sw, "drom buffer overrun, aborting\n"); - return -EIO; + tb_sw_warn(sw, "DROM buffer overrun\n"); + return -EILSEQ; } switch (entry->type) { @@ -526,7 +527,8 @@ int tb_drom_read(struct tb_switch *sw) u16 size; u32 crc; struct tb_drom_header *header; - int res; + int res, retries = 1; + if (sw->drom) return 0; @@ -612,7 +614,17 @@ parse: tb_sw_warn(sw, "drom device_rom_revision %#x unknown\n", header->device_rom_revision); - return tb_drom_parse_entries(sw); + res = tb_drom_parse_entries(sw); + /* If the DROM parsing fails, wait a moment and retry once */ + if (res == -EILSEQ && retries--) { + tb_sw_warn(sw, "parsing DROM failed, retrying\n"); + msleep(100); + res = tb_drom_read_n(sw, 0, sw->drom, size); + if (!res) + goto parse; + } + + return res; err: kfree(sw->drom); sw->drom = NULL; diff --git a/drivers/thunderbolt/switch.c b/drivers/thunderbolt/switch.c index 712395f518b822..a921de9ce7cbe2 100644 --- a/drivers/thunderbolt/switch.c +++ b/drivers/thunderbolt/switch.c @@ -684,6 +684,7 @@ static int tb_init_port(struct tb_port *port) if (res == -ENODEV) { tb_dbg(port->sw->tb, " Port %d: not implemented\n", port->port); + port->disabled = true; return 0; } return res; @@ -2092,7 +2093,7 @@ static int tb_switch_add_dma_port(struct tb_switch *sw) if (tb_route(sw)) return 0; - /* fallthrough */ + fallthrough; case 3: ret = tb_switch_set_uuid(sw); if (ret) diff --git a/drivers/thunderbolt/tb.h b/drivers/thunderbolt/tb.h index a413d55b5f8b3d..3c620a9203c5a4 100644 --- a/drivers/thunderbolt/tb.h +++ b/drivers/thunderbolt/tb.h @@ -186,7 +186,7 @@ struct tb_switch { * @cap_adap: Offset of the adapter specific capability (%0 if not present) * @cap_usb4: Offset to the USB4 port capability (%0 if not present) * @port: Port number on switch - * @disabled: Disabled by eeprom + * @disabled: Disabled by eeprom or enabled but not implemented * @bonded: true if the port is bonded (two lanes combined as one) * @dual_link_port: If the switch is connected using two ports, points * to the other port. diff --git a/drivers/thunderbolt/tunnel.c b/drivers/thunderbolt/tunnel.c index 2aae2c76d880dd..829b6ccdd5d4f3 100644 --- a/drivers/thunderbolt/tunnel.c +++ b/drivers/thunderbolt/tunnel.c @@ -315,7 +315,7 @@ static inline u32 tb_dp_cap_set_rate(u32 val, u32 rate) switch (rate) { default: WARN(1, "invalid rate %u passed, defaulting to 1620 MB/s\n", rate); - /* Fallthrough */ + fallthrough; case 1620: val |= DP_COMMON_CAP_RATE_RBR << DP_COMMON_CAP_RATE_SHIFT; break; @@ -355,7 +355,7 @@ static inline u32 tb_dp_cap_set_lanes(u32 val, u32 lanes) default: WARN(1, "invalid number of lanes %u passed, defaulting to 1\n", lanes); - /* Fallthrough */ + fallthrough; case 1: val |= DP_COMMON_CAP_1_LANE << DP_COMMON_CAP_LANES_SHIFT; break; @@ -951,10 +951,18 @@ static void tb_usb3_reclaim_available_bandwidth(struct tb_tunnel *tunnel, int ret, max_rate, allocate_up, allocate_down; ret = usb4_usb3_port_actual_link_rate(tunnel->src_port); - if (ret <= 0) { - tb_tunnel_warn(tunnel, "tunnel is not up\n"); + if (ret < 0) { + tb_tunnel_warn(tunnel, "failed to read actual link rate\n"); return; + } else if (!ret) { + /* Use maximum link rate if the link valid is not set */ + ret = usb4_usb3_port_max_link_rate(tunnel->src_port); + if (ret < 0) { + tb_tunnel_warn(tunnel, "failed to read maximum link rate\n"); + return; + } } + /* * 90% of the max rate can be allocated for isochronous * transfers. diff --git a/drivers/tty/hvc/hvc_xen.c b/drivers/tty/hvc/hvc_xen.c index 2a0e51a20e3429..92c9a476defc99 100644 --- a/drivers/tty/hvc/hvc_xen.c +++ b/drivers/tty/hvc/hvc_xen.c @@ -492,7 +492,7 @@ static void xencons_backend_changed(struct xenbus_device *dev, case XenbusStateClosed: if (dev->state == XenbusStateClosed) break; - /* fall through - Missed the backend's CLOSING state. */ + fallthrough; /* Missed the backend's CLOSING state */ case XenbusStateClosing: xenbus_frontend_closed(dev); break; diff --git a/drivers/tty/mips_ejtag_fdc.c b/drivers/tty/mips_ejtag_fdc.c index 21e76a2ec1820c..a8e19b4833bf9a 100644 --- a/drivers/tty/mips_ejtag_fdc.c +++ b/drivers/tty/mips_ejtag_fdc.c @@ -243,7 +243,7 @@ done: /* Fall back to a 3 byte encoding */ word.bytes = 3; word.word &= 0x00ffffff; - /* Fall through */ + fallthrough; case 3: /* 3 byte encoding */ word.word |= 0x82000000; diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c index 0a29a94ec438e7..35cf12147e39c1 100644 --- a/drivers/tty/n_gsm.c +++ b/drivers/tty/n_gsm.c @@ -1584,7 +1584,7 @@ static void gsm_dlci_data(struct gsm_dlci *dlci, const u8 *data, int clen) gsm_process_modem(tty, dlci, modem, clen); tty_kref_put(tty); } - /* Fall through */ + fallthrough; case 1: /* Line state will go via DLCI 0 controls only */ default: tty_insert_flip_string(port, data, len); @@ -1986,7 +1986,7 @@ static void gsm1_receive(struct gsm_mux *gsm, unsigned char c) gsm->address = 0; gsm->state = GSM_ADDRESS; gsm->fcs = INIT_FCS; - /* Fall through */ + fallthrough; case GSM_ADDRESS: /* Address continuation */ gsm->fcs = gsm_fcs_add(gsm->fcs, c); if (gsm_read_ea(&gsm->address, c)) diff --git a/drivers/tty/n_hdlc.c b/drivers/tty/n_hdlc.c index b09eac4b6d64f0..8e975cb29833ad 100644 --- a/drivers/tty/n_hdlc.c +++ b/drivers/tty/n_hdlc.c @@ -602,7 +602,7 @@ static int n_hdlc_tty_ioctl(struct tty_struct *tty, struct file *file, case TCOFLUSH: flush_tx_queue(tty); } - /* fall through - to default */ + fallthrough; /* to default */ default: error = n_tty_ioctl_helper(tty, file, cmd, arg); diff --git a/drivers/tty/n_r3964.c b/drivers/tty/n_r3964.c index f75696f0ee2d03..934dd2fb2ec807 100644 --- a/drivers/tty/n_r3964.c +++ b/drivers/tty/n_r3964.c @@ -605,7 +605,6 @@ static void receive_char(struct r3964_info *pInfo, const unsigned char c) } break; case R3964_WAIT_FOR_RX_REPEAT: - /* FALLTHROUGH */ case R3964_IDLE: if (c == STX) { /* Prevent rx_queue from overflow: */ diff --git a/drivers/tty/serial/8250/8250_em.c b/drivers/tty/serial/8250/8250_em.c index db88dee3a3999a..f8e99995eee911 100644 --- a/drivers/tty/serial/8250/8250_em.c +++ b/drivers/tty/serial/8250/8250_em.c @@ -39,7 +39,7 @@ static void serial8250_em_serial_out(struct uart_port *p, int offset, int value) break; case UART_IER: /* IER @ 0x04 */ value &= 0x0f; /* only 4 valid bits - not Xscale */ - /* fall-through */ + fallthrough; case UART_DLL_EM: /* DLL @ 0x24 (+9) */ case UART_DLM_EM: /* DLM @ 0x28 (+9) */ writel(value, p->membase + (offset << 2)); diff --git a/drivers/tty/serial/8250/8250_exar.c b/drivers/tty/serial/8250/8250_exar.c index 04b9af7ed94153..2d0e7c7e408dc9 100644 --- a/drivers/tty/serial/8250/8250_exar.c +++ b/drivers/tty/serial/8250/8250_exar.c @@ -744,6 +744,24 @@ static const struct exar8250_board pbn_exar_XR17V35x = { .exit = pci_xr17v35x_exit, }; +static const struct exar8250_board pbn_fastcom35x_2 = { + .num_ports = 2, + .setup = pci_xr17v35x_setup, + .exit = pci_xr17v35x_exit, +}; + +static const struct exar8250_board pbn_fastcom35x_4 = { + .num_ports = 4, + .setup = pci_xr17v35x_setup, + .exit = pci_xr17v35x_exit, +}; + +static const struct exar8250_board pbn_fastcom35x_8 = { + .num_ports = 8, + .setup = pci_xr17v35x_setup, + .exit = pci_xr17v35x_exit, +}; + static const struct exar8250_board pbn_exar_XR17V4358 = { .num_ports = 12, .setup = pci_xr17v35x_setup, @@ -811,9 +829,9 @@ static const struct pci_device_id exar_pci_tbl[] = { EXAR_DEVICE(EXAR, XR17V358, pbn_exar_XR17V35x), EXAR_DEVICE(EXAR, XR17V4358, pbn_exar_XR17V4358), EXAR_DEVICE(EXAR, XR17V8358, pbn_exar_XR17V8358), - EXAR_DEVICE(COMMTECH, 4222PCIE, pbn_exar_XR17V35x), - EXAR_DEVICE(COMMTECH, 4224PCIE, pbn_exar_XR17V35x), - EXAR_DEVICE(COMMTECH, 4228PCIE, pbn_exar_XR17V35x), + EXAR_DEVICE(COMMTECH, 4222PCIE, pbn_fastcom35x_2), + EXAR_DEVICE(COMMTECH, 4224PCIE, pbn_fastcom35x_4), + EXAR_DEVICE(COMMTECH, 4228PCIE, pbn_fastcom35x_8), EXAR_DEVICE(COMMTECH, 4222PCI335, pbn_fastcom335_2), EXAR_DEVICE(COMMTECH, 4224PCI335, pbn_fastcom335_4), diff --git a/drivers/tty/serial/8250/8250_fintek.c b/drivers/tty/serial/8250/8250_fintek.c index d1d253c4b518bc..31c9e83ea3cb2c 100644 --- a/drivers/tty/serial/8250/8250_fintek.c +++ b/drivers/tty/serial/8250/8250_fintek.c @@ -255,7 +255,7 @@ static void fintek_8250_set_irq_mode(struct fintek_8250 *pdata, bool is_level) case CHIP_ID_F81866: sio_write_mask_reg(pdata, F81866_FIFO_CTRL, F81866_IRQ_MODE1, 0); - /* fall through */ + fallthrough; case CHIP_ID_F81865: sio_write_mask_reg(pdata, F81866_IRQ_MODE, F81866_IRQ_SHARE, F81866_IRQ_SHARE); diff --git a/drivers/tty/serial/8250/8250_pci.c b/drivers/tty/serial/8250/8250_pci.c index 1a74d511b02a58..55bb7b897d9765 100644 --- a/drivers/tty/serial/8250/8250_pci.c +++ b/drivers/tty/serial/8250/8250_pci.c @@ -631,7 +631,7 @@ pci_timedia_setup(struct serial_private *priv, break; case 3: offset = board->uart_offset; - /* FALLTHROUGH */ + fallthrough; case 4: /* BAR 2 */ case 5: /* BAR 3 */ case 6: /* BAR 4 */ @@ -5566,6 +5566,17 @@ static const struct pci_device_id serial_pci_tbl[] = { PCI_ANY_ID, PCI_ANY_ID, 0, 0, pbn_wch384_4 }, + /* + * Realtek RealManage + */ + { PCI_VENDOR_ID_REALTEK, 0x816a, + PCI_ANY_ID, PCI_ANY_ID, + 0, 0, pbn_b0_1_115200 }, + + { PCI_VENDOR_ID_REALTEK, 0x816b, + PCI_ANY_ID, PCI_ANY_ID, + 0, 0, pbn_b0_1_115200 }, + /* Fintek PCI serial cards */ { PCI_DEVICE(0x1c29, 0x1104), .driver_data = pbn_fintek_4 }, { PCI_DEVICE(0x1c29, 0x1108), .driver_data = pbn_fintek_8 }, diff --git a/drivers/tty/serial/8250/8250_port.c b/drivers/tty/serial/8250/8250_port.c index 09475695effd47..c71d647eb87a02 100644 --- a/drivers/tty/serial/8250/8250_port.c +++ b/drivers/tty/serial/8250/8250_port.c @@ -1872,7 +1872,7 @@ static bool handle_rx_dma(struct uart_8250_port *up, unsigned int iir) switch (iir & 0x3f) { case UART_IIR_RX_TIMEOUT: serial8250_rx_dma_flush(up); - /* fall-through */ + fallthrough; case UART_IIR_RLSI: return true; } @@ -2275,6 +2275,10 @@ int serial8250_do_startup(struct uart_port *port) if (port->irq && !(up->port.flags & UPF_NO_THRE_TEST)) { unsigned char iir1; + + if (port->irqflags & IRQF_SHARED) + disable_irq_nosync(port->irq); + /* * Test for UARTs that do not reassert THRE when the * transmitter is idle and the interrupt has already @@ -2284,8 +2288,6 @@ int serial8250_do_startup(struct uart_port *port) * allow register changes to become visible. */ spin_lock_irqsave(&port->lock, flags); - if (up->port.irqflags & IRQF_SHARED) - disable_irq_nosync(port->irq); wait_for_xmitr(up, UART_LSR_THRE); serial_port_out_sync(port, UART_IER, UART_IER_THRI); @@ -2297,9 +2299,10 @@ int serial8250_do_startup(struct uart_port *port) iir = serial_port_in(port, UART_IIR); serial_port_out(port, UART_IER, 0); + spin_unlock_irqrestore(&port->lock, flags); + if (port->irqflags & IRQF_SHARED) enable_irq(port->irq); - spin_unlock_irqrestore(&port->lock, flags); /* * If the interrupt is not reasserted, or we otherwise diff --git a/drivers/tty/serial/8250/8250_uniphier.c b/drivers/tty/serial/8250/8250_uniphier.c index e0b73a5402db71..a2978abab0db60 100644 --- a/drivers/tty/serial/8250/8250_uniphier.c +++ b/drivers/tty/serial/8250/8250_uniphier.c @@ -75,7 +75,7 @@ static unsigned int uniphier_serial_in(struct uart_port *p, int offset) break; case UART_LCR: valshift = 8; - /* fall through */ + fallthrough; case UART_MCR: offset = UNIPHIER_UART_LCR_MCR; break; @@ -101,7 +101,7 @@ static void uniphier_serial_out(struct uart_port *p, int offset, int value) case UART_SCR: /* No SCR for this hardware. Use CHAR as a scratch register */ valshift = 8; - /* fall through */ + fallthrough; case UART_FCR: offset = UNIPHIER_UART_CHAR_FCR; break; @@ -109,7 +109,7 @@ static void uniphier_serial_out(struct uart_port *p, int offset, int value) valshift = 8; /* Divisor latch access bit does not exist. */ value &= ~UART_LCR_DLAB; - /* fall through */ + fallthrough; case UART_MCR: offset = UNIPHIER_UART_LCR_MCR; break; diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig index 8a0352eb337c84..9409be982aa64c 100644 --- a/drivers/tty/serial/Kconfig +++ b/drivers/tty/serial/Kconfig @@ -517,6 +517,7 @@ config SERIAL_IMX_CONSOLE config SERIAL_IMX_EARLYCON bool "Earlycon on IMX serial port" + depends on ARCH_MXC || COMPILE_TEST depends on OF select SERIAL_EARLYCON help diff --git a/drivers/tty/serial/Makefile b/drivers/tty/serial/Makefile index d056ee6cca33ed..caf167f0c10a62 100644 --- a/drivers/tty/serial/Makefile +++ b/drivers/tty/serial/Makefile @@ -43,6 +43,7 @@ obj-$(CONFIG_SERIAL_ZS) += zs.o obj-$(CONFIG_SERIAL_SH_SCI) += sh-sci.o obj-$(CONFIG_SERIAL_CPM) += cpm_uart/ obj-$(CONFIG_SERIAL_IMX) += imx.o +obj-$(CONFIG_SERIAL_IMX_EARLYCON) += imx_earlycon.o obj-$(CONFIG_SERIAL_MPC52xx) += mpc52xx_uart.o obj-$(CONFIG_SERIAL_ICOM) += icom.o obj-$(CONFIG_SERIAL_MESON) += meson_uart.o diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c index c010f639298dd1..67498594d7d7e6 100644 --- a/drivers/tty/serial/amba-pl011.c +++ b/drivers/tty/serial/amba-pl011.c @@ -2241,9 +2241,8 @@ pl011_console_write(struct console *co, const char *s, unsigned int count) clk_disable(uap->clk); } -static void __init -pl011_console_get_options(struct uart_amba_port *uap, int *baud, - int *parity, int *bits) +static void pl011_console_get_options(struct uart_amba_port *uap, int *baud, + int *parity, int *bits) { if (pl011_read(uap, REG_CR) & UART01x_CR_UARTEN) { unsigned int lcr_h, ibrd, fbrd; @@ -2276,7 +2275,7 @@ pl011_console_get_options(struct uart_amba_port *uap, int *baud, } } -static int __init pl011_console_setup(struct console *co, char *options) +static int pl011_console_setup(struct console *co, char *options) { struct uart_amba_port *uap; int baud = 38400; @@ -2344,8 +2343,8 @@ static int __init pl011_console_setup(struct console *co, char *options) * * Returns 0 if console matches; otherwise non-zero to use default matching */ -static int __init pl011_console_match(struct console *co, char *name, int idx, - char *options) +static int pl011_console_match(struct console *co, char *name, int idx, + char *options) { unsigned char iotype; resource_size_t addr; @@ -2615,7 +2614,7 @@ static int pl011_setup_port(struct device *dev, struct uart_amba_port *uap, static int pl011_register_port(struct uart_amba_port *uap) { - int ret; + int ret, i; /* Ensure interrupts from this UART are masked and cleared */ pl011_write(0, uap, REG_IMSC); @@ -2626,6 +2625,9 @@ static int pl011_register_port(struct uart_amba_port *uap) if (ret < 0) { dev_err(uap->port.dev, "Failed to register AMBA-PL011 driver\n"); + for (i = 0; i < ARRAY_SIZE(amba_ports); i++) + if (amba_ports[i] == uap) + amba_ports[i] = NULL; return ret; } } diff --git a/drivers/tty/serial/atmel_serial.c b/drivers/tty/serial/atmel_serial.c index e43471b33710b3..bb5fc8bdd57a6f 100644 --- a/drivers/tty/serial/atmel_serial.c +++ b/drivers/tty/serial/atmel_serial.c @@ -1845,7 +1845,7 @@ static void atmel_get_ip_name(struct uart_port *port) version = atmel_uart_readl(port, ATMEL_US_VERSION); switch (version) { case 0x814: /* sama5d2 */ - /* fall through */ + fallthrough; case 0x701: /* sama5d4 */ atmel_port->fidi_min = 3; atmel_port->fidi_max = 65535; diff --git a/drivers/tty/serial/omap-serial.c b/drivers/tty/serial/omap-serial.c index 8573fc9cb0cdf5..76b94d0ff58659 100644 --- a/drivers/tty/serial/omap-serial.c +++ b/drivers/tty/serial/omap-serial.c @@ -587,7 +587,6 @@ static irqreturn_t serial_omap_irq(int irq, void *dev_id) transmit_chars(up, lsr); break; case UART_IIR_RX_TIMEOUT: - /* FALLTHROUGH */ case UART_IIR_RDI: serial_omap_rdi(up, lsr); break; @@ -598,7 +597,6 @@ static irqreturn_t serial_omap_irq(int irq, void *dev_id) /* simply try again */ break; case UART_IIR_XOFF: - /* FALLTHROUGH */ default: break; } diff --git a/drivers/tty/serial/qcom_geni_serial.c b/drivers/tty/serial/qcom_geni_serial.c index 3aa29d201f54d3..184b458820a313 100644 --- a/drivers/tty/serial/qcom_geni_serial.c +++ b/drivers/tty/serial/qcom_geni_serial.c @@ -361,11 +361,16 @@ static int qcom_geni_serial_get_char(struct uart_port *uport) return NO_POLL_CHAR; if (word_cnt == 1 && (status & RX_LAST)) + /* + * NOTE: If RX_LAST_BYTE_VALID is 0 it needs to be + * treated as if it was BYTES_PER_FIFO_WORD. + */ private_data->poll_cached_bytes_cnt = (status & RX_LAST_BYTE_VALID_MSK) >> RX_LAST_BYTE_VALID_SHFT; - else - private_data->poll_cached_bytes_cnt = 4; + + if (private_data->poll_cached_bytes_cnt == 0) + private_data->poll_cached_bytes_cnt = BYTES_PER_FIFO_WORD; private_data->poll_cached_bytes = readl(uport->membase + SE_GENI_RX_FIFOn); @@ -1098,7 +1103,7 @@ static unsigned int qcom_geni_serial_tx_empty(struct uart_port *uport) } #ifdef CONFIG_SERIAL_QCOM_GENI_CONSOLE -static int __init qcom_geni_console_setup(struct console *co, char *options) +static int qcom_geni_console_setup(struct console *co, char *options) { struct uart_port *uport; struct qcom_geni_serial_port *port; diff --git a/drivers/tty/serial/rda-uart.c b/drivers/tty/serial/rda-uart.c index b5ef86ae2746e4..85366e05925850 100644 --- a/drivers/tty/serial/rda-uart.c +++ b/drivers/tty/serial/rda-uart.c @@ -259,7 +259,7 @@ static void rda_uart_set_termios(struct uart_port *port, case CS5: case CS6: dev_warn(port->dev, "bit size not supported, using 7 bits\n"); - /* Fall through */ + fallthrough; case CS7: ctrl &= ~RDA_UART_DBITS_8; break; diff --git a/drivers/tty/serial/samsung_tty.c b/drivers/tty/serial/samsung_tty.c index 8ed3482d2e1ebd..8ae3e03fbd8ce6 100644 --- a/drivers/tty/serial/samsung_tty.c +++ b/drivers/tty/serial/samsung_tty.c @@ -1905,9 +1905,11 @@ static int s3c24xx_serial_init_port(struct s3c24xx_uart_port *ourport, ourport->tx_irq = ret + 1; } - ret = platform_get_irq(platdev, 1); - if (ret > 0) - ourport->tx_irq = ret; + if (!s3c24xx_serial_has_interrupt_mask(port)) { + ret = platform_get_irq(platdev, 1); + if (ret > 0) + ourport->tx_irq = ret; + } /* * DMA is currently supported only on DT platforms, if DMA properties * are specified. diff --git a/drivers/tty/serial/serial-tegra.c b/drivers/tty/serial/serial-tegra.c index b87914ae6da8f2..bd13014a1c5375 100644 --- a/drivers/tty/serial/serial-tegra.c +++ b/drivers/tty/serial/serial-tegra.c @@ -876,7 +876,7 @@ static irqreturn_t tegra_uart_isr(int irq, void *data) tegra_uart_write(tup, ier, UART_IER); break; } - /* Fall through */ + fallthrough; case 2: /* Receive */ if (!tup->use_rx_pio) { is_rx_start = tup->rx_in_progress; diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c index 3403dd79051737..124524ecfe262f 100644 --- a/drivers/tty/serial/serial_core.c +++ b/drivers/tty/serial/serial_core.c @@ -1916,24 +1916,12 @@ static inline bool uart_console_enabled(struct uart_port *port) return uart_console(port) && (port->cons->flags & CON_ENABLED); } -static void __uart_port_spin_lock_init(struct uart_port *port) +static void uart_port_spin_lock_init(struct uart_port *port) { spin_lock_init(&port->lock); lockdep_set_class(&port->lock, &port_lock_key); } -/* - * Ensure that the serial console lock is initialised early. - * If this port is a console, then the spinlock is already initialised. - */ -static inline void uart_port_spin_lock_init(struct uart_port *port) -{ - if (uart_console(port)) - return; - - __uart_port_spin_lock_init(port); -} - #if defined(CONFIG_SERIAL_CORE_CONSOLE) || defined(CONFIG_CONSOLE_POLL) /** * uart_console_write - write a console message to a serial port @@ -2086,7 +2074,15 @@ uart_set_options(struct uart_port *port, struct console *co, struct ktermios termios; static struct ktermios dummy; - uart_port_spin_lock_init(port); + /* + * Ensure that the serial-console lock is initialised early. + * + * Note that the console-enabled check is needed because of kgdboc, + * which can end up calling uart_set_options() for an already enabled + * console via tty_find_polling_driver() and uart_poll_init(). + */ + if (!uart_console_enabled(port) && !port->console_reinit) + uart_port_spin_lock_init(port); memset(&termios, 0, sizeof(struct ktermios)); @@ -2101,7 +2097,7 @@ uart_set_options(struct uart_port *port, struct console *co, switch (parity) { case 'o': case 'O': termios.c_cflag |= PARODD; - /*fall through*/ + fallthrough; case 'e': case 'E': termios.c_cflag |= PARENB; break; @@ -2379,13 +2375,6 @@ uart_configure_port(struct uart_driver *drv, struct uart_state *state, uart_change_pm(state, UART_PM_STATE_ON); /* - * If this driver supports console, and it hasn't been - * successfully registered yet, initialise spin lock for it. - */ - if (port->cons && !(port->cons->flags & CON_ENABLED)) - __uart_port_spin_lock_init(port); - - /* * Ensure that the modem control lines are de-activated. * keep the DTR setting that is set in uart_set_options() * We probably don't need a spinlock around this, but @@ -2801,10 +2790,12 @@ static ssize_t console_store(struct device *dev, if (oldconsole && !newconsole) { ret = unregister_console(uport->cons); } else if (!oldconsole && newconsole) { - if (uart_console(uport)) + if (uart_console(uport)) { + uport->console_reinit = 1; register_console(uport->cons); - else + } else { ret = -ENOENT; + } } } else { ret = -ENXIO; @@ -2900,7 +2891,12 @@ int uart_add_one_port(struct uart_driver *drv, struct uart_port *uport) goto out; } - uart_port_spin_lock_init(uport); + /* + * If this port is in use as a console then the spinlock is already + * initialised. + */ + if (!uart_console_enabled(uport)) + uart_port_spin_lock_init(uport); if (uport->cons && uport->dev) of_console_check(uport->dev->of_node, uport->cons->name, uport->line); diff --git a/drivers/tty/serial/stm32-usart.c b/drivers/tty/serial/stm32-usart.c index 143300a8009098..ba503dd04ce2dc 100644 --- a/drivers/tty/serial/stm32-usart.c +++ b/drivers/tty/serial/stm32-usart.c @@ -970,7 +970,7 @@ static int stm32_init_port(struct stm32_port *stm32port, return ret; if (stm32port->info->cfg.has_wakeup) { - stm32port->wakeirq = platform_get_irq(pdev, 1); + stm32port->wakeirq = platform_get_irq_optional(pdev, 1); if (stm32port->wakeirq <= 0 && stm32port->wakeirq != -ENXIO) return stm32port->wakeirq ? : -ENODEV; } diff --git a/drivers/tty/serial/sunsu.c b/drivers/tty/serial/sunsu.c index 8ce9a7a256e56b..319e5ceb6130e2 100644 --- a/drivers/tty/serial/sunsu.c +++ b/drivers/tty/serial/sunsu.c @@ -514,7 +514,7 @@ static void receive_kbd_ms_chars(struct uart_sunsu_port *up, int is_break) switch (ret) { case 2: sunsu_change_mouse_baud(up); - /* fallthru */ + fallthrough; case 1: break; diff --git a/drivers/tty/serial/sunzilog.c b/drivers/tty/serial/sunzilog.c index 7ea06bbc61973e..001e19d7c17db5 100644 --- a/drivers/tty/serial/sunzilog.c +++ b/drivers/tty/serial/sunzilog.c @@ -306,7 +306,7 @@ static void sunzilog_kbdms_receive_chars(struct uart_sunzilog_port *up, switch (ret) { case 2: sunzilog_change_mouse_baud(up); - /* fallthru */ + fallthrough; case 1: break; diff --git a/drivers/tty/serial/xilinx_uartps.c b/drivers/tty/serial/xilinx_uartps.c index 2833f1418d6d95..a9b1ee27183a71 100644 --- a/drivers/tty/serial/xilinx_uartps.c +++ b/drivers/tty/serial/xilinx_uartps.c @@ -544,7 +544,7 @@ static int cdns_uart_clk_notifier_cb(struct notifier_block *nb, cdns_uart->baud = cdns_uart_set_baud_rate(cdns_uart->port, cdns_uart->baud); - /* fall through */ + fallthrough; case ABORT_RATE_CHANGE: if (!locked) spin_lock_irqsave(&cdns_uart->port->lock, flags); diff --git a/drivers/tty/tty_ioctl.c b/drivers/tty/tty_ioctl.c index 9245fffdbceb17..e18f318586ab4c 100644 --- a/drivers/tty/tty_ioctl.c +++ b/drivers/tty/tty_ioctl.c @@ -866,7 +866,7 @@ static int __tty_perform_flush(struct tty_struct *tty, unsigned long arg) ld->ops->flush_buffer(tty); tty_unthrottle(tty); } - /* fall through */ + fallthrough; case TCOFLUSH: tty_driver_flush_buffer(tty); break; diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c index ccb533fd00a29a..19cd4a4b193999 100644 --- a/drivers/tty/vt/vt.c +++ b/drivers/tty/vt/vt.c @@ -1201,7 +1201,7 @@ static int vc_do_resize(struct tty_struct *tty, struct vc_data *vc, unsigned int old_rows, old_row_size, first_copied_row; unsigned int new_cols, new_rows, new_row_size, new_screen_size; unsigned int user; - unsigned short *newscreen; + unsigned short *oldscreen, *newscreen; struct uni_screen *new_uniscr = NULL; WARN_CONSOLE_UNLOCKED(); @@ -1299,10 +1299,11 @@ static int vc_do_resize(struct tty_struct *tty, struct vc_data *vc, if (new_scr_end > new_origin) scr_memsetw((void *)new_origin, vc->vc_video_erase_char, new_scr_end - new_origin); - kfree(vc->vc_screenbuf); + oldscreen = vc->vc_screenbuf; vc->vc_screenbuf = newscreen; vc->vc_screenbuf_size = new_screen_size; set_origin(vc); + kfree(oldscreen); /* do part of a reset_terminal() */ vc->vc_top = 0; @@ -1553,7 +1554,7 @@ static void csi_J(struct vc_data *vc, int vpar) break; case 3: /* include scrollback */ flush_scrollback(vc); - /* fallthrough */ + fallthrough; case 2: /* erase whole display */ vc_uniscr_clear_lines(vc, 0, vc->vc_rows); count = vc->vc_cols * vc->vc_rows; @@ -2167,7 +2168,7 @@ static void do_con_trol(struct tty_struct *tty, struct vc_data *vc, int c) lf(vc); if (!is_kbd(vc, lnm)) return; - /* fall through */ + fallthrough; case 13: cr(vc); return; @@ -2306,7 +2307,7 @@ static void do_con_trol(struct tty_struct *tty, struct vc_data *vc, int c) return; } vc->vc_priv = EPecma; - /* fall through */ + fallthrough; case ESgetpars: if (c == ';' && vc->vc_npar < NPAR - 1) { vc->vc_npar++; diff --git a/drivers/tty/vt/vt_ioctl.c b/drivers/tty/vt/vt_ioctl.c index 91c3017750476d..a4e520bdd521df 100644 --- a/drivers/tty/vt/vt_ioctl.c +++ b/drivers/tty/vt/vt_ioctl.c @@ -806,12 +806,22 @@ static int vt_resizex(struct vc_data *vc, struct vt_consize __user *cs) console_lock(); vcp = vc_cons[i].d; if (vcp) { + int ret; + int save_scan_lines = vcp->vc_scan_lines; + int save_font_height = vcp->vc_font.height; + if (v.v_vlin) vcp->vc_scan_lines = v.v_vlin; if (v.v_clin) vcp->vc_font.height = v.v_clin; vcp->vc_resize_user = 1; - vc_resize(vcp, v.v_cols, v.v_rows); + ret = vc_resize(vcp, v.v_cols, v.v_rows); + if (ret) { + vcp->vc_scan_lines = save_scan_lines; + vcp->vc_font.height = save_font_height; + console_unlock(); + return ret; + } } console_unlock(); } diff --git a/drivers/usb/c67x00/c67x00-sched.c b/drivers/usb/c67x00/c67x00-sched.c index f7f6229082cad4..60f4711717d22e 100644 --- a/drivers/usb/c67x00/c67x00-sched.c +++ b/drivers/usb/c67x00/c67x00-sched.c @@ -710,7 +710,8 @@ static int c67x00_add_ctrl_urb(struct c67x00_hcd *c67x00, struct urb *urb) if (ret) return ret; break; - } /* else fallthrough */ + } + fallthrough; case STATUS_STAGE: pid = !usb_pipeout(urb->pipe) ? USB_PID_OUT : USB_PID_IN; ret = c67x00_create_td(c67x00, urb, NULL, 0, pid, 1, diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index 991786876dbb3c..7f6f3ab5b8a677 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -378,21 +378,19 @@ static void acm_ctrl_irq(struct urb *urb) if (current_size < expected_size) { /* notification is transmitted fragmented, reassemble */ if (acm->nb_size < expected_size) { - if (acm->nb_size) { - kfree(acm->notification_buffer); - acm->nb_size = 0; - } + u8 *new_buffer; alloc_size = roundup_pow_of_two(expected_size); - /* - * kmalloc ensures a valid notification_buffer after a - * use of kfree in case the previous allocation was too - * small. Final freeing is done on disconnect. - */ - acm->notification_buffer = - kmalloc(alloc_size, GFP_ATOMIC); - if (!acm->notification_buffer) + /* Final freeing is done on disconnect. */ + new_buffer = krealloc(acm->notification_buffer, + alloc_size, GFP_ATOMIC); + if (!new_buffer) { + acm->nb_index = 0; goto exit; + } + + acm->notification_buffer = new_buffer; acm->nb_size = alloc_size; + dr = (struct usb_cdc_notification *)acm->notification_buffer; } copy_size = min(current_size, diff --git a/drivers/usb/class/usblp.c b/drivers/usb/class/usblp.c index 084c48c5848fc9..67cbd42421bee7 100644 --- a/drivers/usb/class/usblp.c +++ b/drivers/usb/class/usblp.c @@ -827,6 +827,11 @@ static ssize_t usblp_read(struct file *file, char __user *buffer, size_t len, lo if (rv < 0) return rv; + if (!usblp->present) { + count = -ENODEV; + goto done; + } + if ((avail = usblp->rstatus) < 0) { printk(KERN_ERR "usblp%d: error %d reading from printer\n", usblp->minor, (int)avail); diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c index f81606c6a35b03..b351962279e4d6 100644 --- a/drivers/usb/core/driver.c +++ b/drivers/usb/core/driver.c @@ -269,8 +269,30 @@ static int usb_probe_device(struct device *dev) if (error) return error; + /* Probe the USB device with the driver in hand, but only + * defer to a generic driver in case the current USB + * device driver has an id_table or a match function; i.e., + * when the device driver was explicitly matched against + * a device. + * + * If the device driver does not have either of these, + * then we assume that it can bind to any device and is + * not truly a more specialized/non-generic driver, so a + * return value of -ENODEV should not force the device + * to be handled by the generic USB driver, as there + * can still be another, more specialized, device driver. + * + * This accommodates the usbip driver. + * + * TODO: What if, in the future, there are multiple + * specialized USB device drivers for a particular device? + * In such cases, there is a need to try all matching + * specialised device drivers prior to setting the + * use_generic_driver bit. + */ error = udriver->probe(udev); - if (error == -ENODEV && udriver != &usb_generic_driver) { + if (error == -ENODEV && udriver != &usb_generic_driver && + (udriver->id_table || udriver->match)) { udev->use_generic_driver = 1; return -EPROBE_DEFER; } @@ -831,14 +853,17 @@ static int usb_device_match(struct device *dev, struct device_driver *drv) udev = to_usb_device(dev); udrv = to_usb_device_driver(drv); - if (udrv->id_table && - usb_device_match_id(udev, udrv->id_table) != NULL) { - return 1; - } + if (udrv->id_table) + return usb_device_match_id(udev, udrv->id_table) != NULL; if (udrv->match) return udrv->match(udev); - return 0; + + /* If the device driver under consideration does not have a + * id_table or a match function, then let the driver's probe + * function decide. + */ + return 1; } else if (is_usb_interface(dev)) { struct usb_interface *intf; @@ -905,6 +930,28 @@ static int usb_uevent(struct device *dev, struct kobj_uevent_env *env) return 0; } +static int __usb_bus_reprobe_drivers(struct device *dev, void *data) +{ + struct usb_device_driver *new_udriver = data; + struct usb_device *udev; + int ret; + + /* Don't reprobe if current driver isn't usb_generic_driver */ + if (dev->driver != &usb_generic_driver.drvwrap.driver) + return 0; + + udev = to_usb_device(dev); + if (usb_device_match_id(udev, new_udriver->id_table) == NULL && + (!new_udriver->match || new_udriver->match(udev) == 0)) + return 0; + + ret = device_reprobe(dev); + if (ret && ret != -EPROBE_DEFER) + dev_err(dev, "Failed to reprobe device (error %d)\n", ret); + + return 0; +} + /** * usb_register_device_driver - register a USB device (not interface) driver * @new_udriver: USB operations for the device driver @@ -934,13 +981,20 @@ int usb_register_device_driver(struct usb_device_driver *new_udriver, retval = driver_register(&new_udriver->drvwrap.driver); - if (!retval) + if (!retval) { pr_info("%s: registered new device driver %s\n", usbcore_name, new_udriver->name); - else + /* + * Check whether any device could be better served with + * this new driver + */ + bus_for_each_dev(&usb_bus_type, NULL, new_udriver, + __usb_bus_reprobe_drivers); + } else { printk(KERN_ERR "%s: error %d registering device " " driver %s\n", usbcore_name, retval, new_udriver->name); + } return retval; } diff --git a/drivers/usb/core/generic.c b/drivers/usb/core/generic.c index b6f2d4b447546e..2b2f1ab6e36aaf 100644 --- a/drivers/usb/core/generic.c +++ b/drivers/usb/core/generic.c @@ -205,8 +205,9 @@ static int __check_usb_generic(struct device_driver *drv, void *data) udrv = to_usb_device_driver(drv); if (udrv == &usb_generic_driver) return 0; - - return usb_device_match_id(udev, udrv->id_table) != NULL; + if (usb_device_match_id(udev, udrv->id_table) != NULL) + return 1; + return (udrv->match && udrv->match(udev)); } static bool usb_generic_driver_match(struct usb_device *udev) diff --git a/drivers/usb/core/hcd-pci.c b/drivers/usb/core/hcd-pci.c index 4dc443aaef5c62..ec0d6c50610cef 100644 --- a/drivers/usb/core/hcd-pci.c +++ b/drivers/usb/core/hcd-pci.c @@ -315,11 +315,14 @@ EXPORT_SYMBOL_GPL(usb_hcd_pci_probe); void usb_hcd_pci_remove(struct pci_dev *dev) { struct usb_hcd *hcd; + int hcd_driver_flags; hcd = pci_get_drvdata(dev); if (!hcd) return; + hcd_driver_flags = hcd->driver->flags; + if (pci_dev_run_wake(dev)) pm_runtime_get_noresume(&dev->dev); @@ -347,7 +350,7 @@ void usb_hcd_pci_remove(struct pci_dev *dev) up_read(&companions_rwsem); } usb_put_hcd(hcd); - if ((hcd->driver->flags & HCD_MASK) < HCD_USB3) + if ((hcd_driver_flags & HCD_MASK) < HCD_USB3) pci_free_irq_vectors(dev); pci_disable_device(dev); } diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 052d5accfe9b2b..5b768b80d1eeb5 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -727,7 +727,7 @@ static void hub_irq(struct urb *urb) if ((++hub->nerrors < 10) || hub->error) goto resubmit; hub->error = status; - /* FALL THROUGH */ + fallthrough; /* let hub_wq handle things */ case 0: /* we got data: port status changed */ diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c index 6197938dcc2d8f..ae1de9cc4b094c 100644 --- a/drivers/usb/core/message.c +++ b/drivers/usb/core/message.c @@ -1205,6 +1205,34 @@ void usb_disable_interface(struct usb_device *dev, struct usb_interface *intf, } } +/* + * usb_disable_device_endpoints -- Disable all endpoints for a device + * @dev: the device whose endpoints are being disabled + * @skip_ep0: 0 to disable endpoint 0, 1 to skip it. + */ +static void usb_disable_device_endpoints(struct usb_device *dev, int skip_ep0) +{ + struct usb_hcd *hcd = bus_to_hcd(dev->bus); + int i; + + if (hcd->driver->check_bandwidth) { + /* First pass: Cancel URBs, leave endpoint pointers intact. */ + for (i = skip_ep0; i < 16; ++i) { + usb_disable_endpoint(dev, i, false); + usb_disable_endpoint(dev, i + USB_DIR_IN, false); + } + /* Remove endpoints from the host controller internal state */ + mutex_lock(hcd->bandwidth_mutex); + usb_hcd_alloc_bandwidth(dev, NULL, NULL, NULL); + mutex_unlock(hcd->bandwidth_mutex); + } + /* Second pass: remove endpoint pointers */ + for (i = skip_ep0; i < 16; ++i) { + usb_disable_endpoint(dev, i, true); + usb_disable_endpoint(dev, i + USB_DIR_IN, true); + } +} + /** * usb_disable_device - Disable all the endpoints for a USB device * @dev: the device whose endpoints are being disabled @@ -1218,7 +1246,6 @@ void usb_disable_interface(struct usb_device *dev, struct usb_interface *intf, void usb_disable_device(struct usb_device *dev, int skip_ep0) { int i; - struct usb_hcd *hcd = bus_to_hcd(dev->bus); /* getting rid of interfaces will disconnect * any drivers bound to them (a key side effect) @@ -1264,22 +1291,8 @@ void usb_disable_device(struct usb_device *dev, int skip_ep0) dev_dbg(&dev->dev, "%s nuking %s URBs\n", __func__, skip_ep0 ? "non-ep0" : "all"); - if (hcd->driver->check_bandwidth) { - /* First pass: Cancel URBs, leave endpoint pointers intact. */ - for (i = skip_ep0; i < 16; ++i) { - usb_disable_endpoint(dev, i, false); - usb_disable_endpoint(dev, i + USB_DIR_IN, false); - } - /* Remove endpoints from the host controller internal state */ - mutex_lock(hcd->bandwidth_mutex); - usb_hcd_alloc_bandwidth(dev, NULL, NULL, NULL); - mutex_unlock(hcd->bandwidth_mutex); - /* Second pass: remove endpoint pointers */ - } - for (i = skip_ep0; i < 16; ++i) { - usb_disable_endpoint(dev, i, true); - usb_disable_endpoint(dev, i + USB_DIR_IN, true); - } + + usb_disable_device_endpoints(dev, skip_ep0); } /** @@ -1522,6 +1535,9 @@ EXPORT_SYMBOL_GPL(usb_set_interface); * The caller must own the device lock. * * Return: Zero on success, else a negative error code. + * + * If this routine fails the device will probably be in an unusable state + * with endpoints disabled, and interfaces only partially enabled. */ int usb_reset_configuration(struct usb_device *dev) { @@ -1537,10 +1553,7 @@ int usb_reset_configuration(struct usb_device *dev) * calls during probe() are fine */ - for (i = 1; i < 16; ++i) { - usb_disable_endpoint(dev, i, true); - usb_disable_endpoint(dev, i + USB_DIR_IN, true); - } + usb_disable_device_endpoints(dev, 1); /* skip ep0*/ config = dev->actconfig; retval = 0; @@ -1553,34 +1566,10 @@ int usb_reset_configuration(struct usb_device *dev) mutex_unlock(hcd->bandwidth_mutex); return -ENOMEM; } - /* Make sure we have enough bandwidth for each alternate setting 0 */ - for (i = 0; i < config->desc.bNumInterfaces; i++) { - struct usb_interface *intf = config->interface[i]; - struct usb_host_interface *alt; - alt = usb_altnum_to_altsetting(intf, 0); - if (!alt) - alt = &intf->altsetting[0]; - if (alt != intf->cur_altsetting) - retval = usb_hcd_alloc_bandwidth(dev, NULL, - intf->cur_altsetting, alt); - if (retval < 0) - break; - } - /* If not, reinstate the old alternate settings */ + /* xHCI adds all endpoints in usb_hcd_alloc_bandwidth */ + retval = usb_hcd_alloc_bandwidth(dev, config, NULL, NULL); if (retval < 0) { -reset_old_alts: - for (i--; i >= 0; i--) { - struct usb_interface *intf = config->interface[i]; - struct usb_host_interface *alt; - - alt = usb_altnum_to_altsetting(intf, 0); - if (!alt) - alt = &intf->altsetting[0]; - if (alt != intf->cur_altsetting) - usb_hcd_alloc_bandwidth(dev, NULL, - alt, intf->cur_altsetting); - } usb_enable_lpm(dev); mutex_unlock(hcd->bandwidth_mutex); return retval; @@ -1589,8 +1578,12 @@ reset_old_alts: USB_REQ_SET_CONFIGURATION, 0, config->desc.bConfigurationValue, 0, NULL, 0, USB_CTRL_SET_TIMEOUT); - if (retval < 0) - goto reset_old_alts; + if (retval < 0) { + usb_hcd_alloc_bandwidth(dev, NULL, NULL, NULL); + usb_enable_lpm(dev); + mutex_unlock(hcd->bandwidth_mutex); + return retval; + } mutex_unlock(hcd->bandwidth_mutex); /* re-init hc/hcd interface/endpoint state */ diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c index 7c1198f80c2316..10574fa3f92774 100644 --- a/drivers/usb/core/quirks.c +++ b/drivers/usb/core/quirks.c @@ -370,6 +370,10 @@ static const struct usb_device_id usb_quirk_list[] = { { USB_DEVICE(0x0926, 0x0202), .driver_info = USB_QUIRK_ENDPOINT_IGNORE }, + /* Sound Devices MixPre-D */ + { USB_DEVICE(0x0926, 0x0208), .driver_info = + USB_QUIRK_ENDPOINT_IGNORE }, + /* Keytouch QWERTY Panel keyboard */ { USB_DEVICE(0x0926, 0x3333), .driver_info = USB_QUIRK_CONFIG_INTF_STRINGS }, @@ -393,6 +397,10 @@ static const struct usb_device_id usb_quirk_list[] = { /* Generic RTL8153 based ethernet adapters */ { USB_DEVICE(0x0bda, 0x8153), .driver_info = USB_QUIRK_NO_LPM }, + /* SONiX USB DEVICE Touchpad */ + { USB_DEVICE(0x0c45, 0x7056), .driver_info = + USB_QUIRK_IGNORE_REMOTE_WAKEUP }, + /* Action Semiconductor flash disk */ { USB_DEVICE(0x10d6, 0x2200), .driver_info = USB_QUIRK_STRING_FETCH_255 }, @@ -465,6 +473,8 @@ static const struct usb_device_id usb_quirk_list[] = { { USB_DEVICE(0x2386, 0x3119), .driver_info = USB_QUIRK_NO_LPM }, + { USB_DEVICE(0x2386, 0x350e), .driver_info = USB_QUIRK_NO_LPM }, + /* DJI CineSSD */ { USB_DEVICE(0x2ca3, 0x0031), .driver_info = USB_QUIRK_NO_LPM }, @@ -509,6 +519,7 @@ static const struct usb_device_id usb_amd_resume_quirk_list[] = { */ static const struct usb_device_id usb_endpoint_ignore[] = { { USB_DEVICE_INTERFACE_NUMBER(0x0926, 0x0202, 1), .driver_info = 0x85 }, + { USB_DEVICE_INTERFACE_NUMBER(0x0926, 0x0208, 1), .driver_info = 0x85 }, { } }; diff --git a/drivers/usb/core/sysfs.c b/drivers/usb/core/sysfs.c index a2ca38e25e0c33..8d134193fa0cf0 100644 --- a/drivers/usb/core/sysfs.c +++ b/drivers/usb/core/sysfs.c @@ -889,7 +889,11 @@ read_descriptors(struct file *filp, struct kobject *kobj, size_t srclen, n; int cfgno; void *src; + int retval; + retval = usb_lock_device_interruptible(udev); + if (retval < 0) + return -EINTR; /* The binary attribute begins with the device descriptor. * Following that are the raw descriptor entries for all the * configurations (config plus subsidiary descriptors). @@ -914,6 +918,7 @@ read_descriptors(struct file *filp, struct kobject *kobj, off -= srclen; } } + usb_unlock_device(udev); return count - nleft; } diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index 422aea24afcd1f..2eb34c8b4065f5 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -646,9 +646,8 @@ static int dwc3_phy_setup(struct dwc3 *dwc) if (!(reg & DWC3_GUSB2PHYCFG_ULPI_UTMI)) break; } - /* FALLTHROUGH */ + fallthrough; case DWC3_GHWPARAMS3_HSPHY_IFC_ULPI: - /* FALLTHROUGH */ default: break; } @@ -1411,7 +1410,7 @@ static void dwc3_check_params(struct dwc3 *dwc) default: dev_err(dev, "invalid maximum_speed parameter %d\n", dwc->maximum_speed); - /* fall through */ + fallthrough; case USB_SPEED_UNKNOWN: /* default to superspeed */ dwc->maximum_speed = USB_SPEED_SUPER; diff --git a/drivers/usb/dwc3/dwc3-meson-g12a.c b/drivers/usb/dwc3/dwc3-meson-g12a.c index 88b75b5a039c94..1f7f4d88ed9d8d 100644 --- a/drivers/usb/dwc3/dwc3-meson-g12a.c +++ b/drivers/usb/dwc3/dwc3-meson-g12a.c @@ -737,13 +737,13 @@ static int dwc3_meson_g12a_probe(struct platform_device *pdev) goto err_disable_clks; } - ret = reset_control_deassert(priv->reset); + ret = reset_control_reset(priv->reset); if (ret) - goto err_assert_reset; + goto err_disable_clks; ret = dwc3_meson_g12a_get_phys(priv); if (ret) - goto err_assert_reset; + goto err_disable_clks; ret = priv->drvdata->setup_regmaps(priv, base); if (ret) @@ -752,7 +752,7 @@ static int dwc3_meson_g12a_probe(struct platform_device *pdev) if (priv->vbus) { ret = regulator_enable(priv->vbus); if (ret) - goto err_assert_reset; + goto err_disable_clks; } /* Get dr_mode */ @@ -765,13 +765,13 @@ static int dwc3_meson_g12a_probe(struct platform_device *pdev) ret = priv->drvdata->usb_init(priv); if (ret) - goto err_assert_reset; + goto err_disable_clks; /* Init PHYs */ for (i = 0 ; i < PHY_COUNT ; ++i) { ret = phy_init(priv->phys[i]); if (ret) - goto err_assert_reset; + goto err_disable_clks; } /* Set PHY Power */ @@ -809,9 +809,6 @@ err_phys_exit: for (i = 0 ; i < PHY_COUNT ; ++i) phy_exit(priv->phys[i]); -err_assert_reset: - reset_control_assert(priv->reset); - err_disable_clks: clk_bulk_disable_unprepare(priv->drvdata->num_clks, priv->drvdata->clks); diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index e44bfc3b5096d9..c2a0f64f8d1e12 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -1054,27 +1054,25 @@ static void __dwc3_prepare_one_trb(struct dwc3_ep *dep, struct dwc3_trb *trb, * dwc3_prepare_one_trb - setup one TRB from one request * @dep: endpoint for which this request is prepared * @req: dwc3_request pointer + * @trb_length: buffer size of the TRB * @chain: should this TRB be chained to the next? * @node: only for isochronous endpoints. First TRB needs different type. */ static void dwc3_prepare_one_trb(struct dwc3_ep *dep, - struct dwc3_request *req, unsigned chain, unsigned node) + struct dwc3_request *req, unsigned int trb_length, + unsigned chain, unsigned node) { struct dwc3_trb *trb; - unsigned int length; dma_addr_t dma; unsigned stream_id = req->request.stream_id; unsigned short_not_ok = req->request.short_not_ok; unsigned no_interrupt = req->request.no_interrupt; unsigned is_last = req->request.is_last; - if (req->request.num_sgs > 0) { - length = sg_dma_len(req->start_sg); + if (req->request.num_sgs > 0) dma = sg_dma_address(req->start_sg); - } else { - length = req->request.length; + else dma = req->request.dma; - } trb = &dep->trb_pool[dep->trb_enqueue]; @@ -1086,7 +1084,7 @@ static void dwc3_prepare_one_trb(struct dwc3_ep *dep, req->num_trbs++; - __dwc3_prepare_one_trb(dep, trb, dma, length, chain, node, + __dwc3_prepare_one_trb(dep, trb, dma, trb_length, chain, node, stream_id, short_not_ok, no_interrupt, is_last); } @@ -1096,16 +1094,27 @@ static void dwc3_prepare_one_trb_sg(struct dwc3_ep *dep, struct scatterlist *sg = req->start_sg; struct scatterlist *s; int i; - + unsigned int length = req->request.length; unsigned int remaining = req->request.num_mapped_sgs - req->num_queued_sgs; + /* + * If we resume preparing the request, then get the remaining length of + * the request and resume where we left off. + */ + for_each_sg(req->request.sg, s, req->num_queued_sgs, i) + length -= sg_dma_len(s); + for_each_sg(sg, s, remaining, i) { - unsigned int length = req->request.length; unsigned int maxp = usb_endpoint_maxp(dep->endpoint.desc); unsigned int rem = length % maxp; + unsigned int trb_length; unsigned chain = true; + trb_length = min_t(unsigned int, length, sg_dma_len(s)); + + length -= trb_length; + /* * IOMMU driver is coalescing the list of sgs which shares a * page boundary into one and giving it to USB driver. With @@ -1113,7 +1122,7 @@ static void dwc3_prepare_one_trb_sg(struct dwc3_ep *dep, * sgs passed. So mark the chain bit to false if it isthe last * mapped sg. */ - if (i == remaining - 1) + if ((i == remaining - 1) || !length) chain = false; if (rem && usb_endpoint_dir_out(dep->endpoint.desc) && !chain) { @@ -1123,7 +1132,7 @@ static void dwc3_prepare_one_trb_sg(struct dwc3_ep *dep, req->needs_extra_trb = true; /* prepare normal TRB */ - dwc3_prepare_one_trb(dep, req, true, i); + dwc3_prepare_one_trb(dep, req, trb_length, true, i); /* Now prepare one extra TRB to align transfer size */ trb = &dep->trb_pool[dep->trb_enqueue]; @@ -1134,8 +1143,39 @@ static void dwc3_prepare_one_trb_sg(struct dwc3_ep *dep, req->request.short_not_ok, req->request.no_interrupt, req->request.is_last); + } else if (req->request.zero && req->request.length && + !usb_endpoint_xfer_isoc(dep->endpoint.desc) && + !rem && !chain) { + struct dwc3 *dwc = dep->dwc; + struct dwc3_trb *trb; + + req->needs_extra_trb = true; + + /* Prepare normal TRB */ + dwc3_prepare_one_trb(dep, req, trb_length, true, i); + + /* Prepare one extra TRB to handle ZLP */ + trb = &dep->trb_pool[dep->trb_enqueue]; + req->num_trbs++; + __dwc3_prepare_one_trb(dep, trb, dwc->bounce_addr, 0, + !req->direction, 1, + req->request.stream_id, + req->request.short_not_ok, + req->request.no_interrupt, + req->request.is_last); + + /* Prepare one more TRB to handle MPS alignment */ + if (!req->direction) { + trb = &dep->trb_pool[dep->trb_enqueue]; + req->num_trbs++; + __dwc3_prepare_one_trb(dep, trb, dwc->bounce_addr, maxp, + false, 1, req->request.stream_id, + req->request.short_not_ok, + req->request.no_interrupt, + req->request.is_last); + } } else { - dwc3_prepare_one_trb(dep, req, chain, i); + dwc3_prepare_one_trb(dep, req, trb_length, chain, i); } /* @@ -1150,6 +1190,16 @@ static void dwc3_prepare_one_trb_sg(struct dwc3_ep *dep, req->num_queued_sgs++; + /* + * The number of pending SG entries may not correspond to the + * number of mapped SG entries. If all the data are queued, then + * don't include unused SG entries. + */ + if (length == 0) { + req->num_pending_sgs -= req->request.num_mapped_sgs - req->num_queued_sgs; + break; + } + if (!dwc3_calc_trbs_left(dep)) break; } @@ -1169,7 +1219,7 @@ static void dwc3_prepare_one_trb_linear(struct dwc3_ep *dep, req->needs_extra_trb = true; /* prepare normal TRB */ - dwc3_prepare_one_trb(dep, req, true, 0); + dwc3_prepare_one_trb(dep, req, length, true, 0); /* Now prepare one extra TRB to align transfer size */ trb = &dep->trb_pool[dep->trb_enqueue]; @@ -1180,6 +1230,7 @@ static void dwc3_prepare_one_trb_linear(struct dwc3_ep *dep, req->request.no_interrupt, req->request.is_last); } else if (req->request.zero && req->request.length && + !usb_endpoint_xfer_isoc(dep->endpoint.desc) && (IS_ALIGNED(req->request.length, maxp))) { struct dwc3 *dwc = dep->dwc; struct dwc3_trb *trb; @@ -1187,18 +1238,29 @@ static void dwc3_prepare_one_trb_linear(struct dwc3_ep *dep, req->needs_extra_trb = true; /* prepare normal TRB */ - dwc3_prepare_one_trb(dep, req, true, 0); + dwc3_prepare_one_trb(dep, req, length, true, 0); - /* Now prepare one extra TRB to handle ZLP */ + /* Prepare one extra TRB to handle ZLP */ trb = &dep->trb_pool[dep->trb_enqueue]; req->num_trbs++; __dwc3_prepare_one_trb(dep, trb, dwc->bounce_addr, 0, - false, 1, req->request.stream_id, + !req->direction, 1, req->request.stream_id, req->request.short_not_ok, req->request.no_interrupt, req->request.is_last); + + /* Prepare one more TRB to handle MPS alignment for OUT */ + if (!req->direction) { + trb = &dep->trb_pool[dep->trb_enqueue]; + req->num_trbs++; + __dwc3_prepare_one_trb(dep, trb, dwc->bounce_addr, maxp, + false, 1, req->request.stream_id, + req->request.short_not_ok, + req->request.no_interrupt, + req->request.is_last); + } } else { - dwc3_prepare_one_trb(dep, req, false, 0); + dwc3_prepare_one_trb(dep, req, length, false, 0); } } @@ -2671,8 +2733,17 @@ static int dwc3_gadget_ep_cleanup_completed_request(struct dwc3_ep *dep, status); if (req->needs_extra_trb) { + unsigned int maxp = usb_endpoint_maxp(dep->endpoint.desc); + ret = dwc3_gadget_ep_reclaim_trb_linear(dep, req, event, status); + + /* Reclaim MPS padding TRB for ZLP */ + if (!req->direction && req->request.zero && req->request.length && + !usb_endpoint_xfer_isoc(dep->endpoint.desc) && + (IS_ALIGNED(req->request.length, maxp))) + ret = dwc3_gadget_ep_reclaim_trb_linear(dep, req, event, status); + req->needs_extra_trb = false; } diff --git a/drivers/usb/gadget/function/f_mass_storage.c b/drivers/usb/gadget/function/f_mass_storage.c index 331c951d72dc99..950c9435beec37 100644 --- a/drivers/usb/gadget/function/f_mass_storage.c +++ b/drivers/usb/gadget/function/f_mass_storage.c @@ -2039,7 +2039,6 @@ static int do_scsi_command(struct fsg_common *common) case RELEASE: case RESERVE: case SEND_DIAGNOSTIC: - fallthrough; default: unknown_cmnd: diff --git a/drivers/usb/gadget/function/f_ncm.c b/drivers/usb/gadget/function/f_ncm.c index 1d900081b1f0ca..1f638759a95336 100644 --- a/drivers/usb/gadget/function/f_ncm.c +++ b/drivers/usb/gadget/function/f_ncm.c @@ -1181,9 +1181,11 @@ static int ncm_unwrap_ntb(struct gether *port, int ndp_index; unsigned dg_len, dg_len2; unsigned ndp_len; + unsigned block_len; struct sk_buff *skb2; int ret = -EINVAL; - unsigned max_size = le32_to_cpu(ntb_parameters.dwNtbOutMaxSize); + unsigned ntb_max = le32_to_cpu(ntb_parameters.dwNtbOutMaxSize); + unsigned frame_max = le16_to_cpu(ecm_desc.wMaxSegmentSize); const struct ndp_parser_opts *opts = ncm->parser_opts; unsigned crc_len = ncm->is_crc ? sizeof(uint32_t) : 0; int dgram_counter; @@ -1205,8 +1207,9 @@ static int ncm_unwrap_ntb(struct gether *port, } tmp++; /* skip wSequence */ + block_len = get_ncm(&tmp, opts->block_length); /* (d)wBlockLength */ - if (get_ncm(&tmp, opts->block_length) > max_size) { + if (block_len > ntb_max) { INFO(port->func.config->cdev, "OUT size exceeded\n"); goto err; } @@ -1215,15 +1218,23 @@ static int ncm_unwrap_ntb(struct gether *port, /* Run through all the NDP's in the NTB */ do { - /* NCM 3.2 */ - if (((ndp_index % 4) != 0) && - (ndp_index < opts->nth_size)) { + /* + * NCM 3.2 + * dwNdpIndex + */ + if (((ndp_index % 4) != 0) || + (ndp_index < opts->nth_size) || + (ndp_index > (block_len - + opts->ndp_size))) { INFO(port->func.config->cdev, "Bad index: %#X\n", ndp_index); goto err; } - /* walk through NDP */ + /* + * walk through NDP + * dwSignature + */ tmp = (void *)(skb->data + ndp_index); if (get_unaligned_le32(tmp) != ncm->ndp_sign) { INFO(port->func.config->cdev, "Wrong NDP SIGN\n"); @@ -1234,14 +1245,15 @@ static int ncm_unwrap_ntb(struct gether *port, ndp_len = get_unaligned_le16(tmp++); /* * NCM 3.3.1 + * wLength * entry is 2 items * item size is 16/32 bits, opts->dgram_item_len * 2 bytes * minimal: struct usb_cdc_ncm_ndpX + normal entry + zero entry * Each entry is a dgram index and a dgram length. */ if ((ndp_len < opts->ndp_size - + 2 * 2 * (opts->dgram_item_len * 2)) - || (ndp_len % opts->ndplen_align != 0)) { + + 2 * 2 * (opts->dgram_item_len * 2)) || + (ndp_len % opts->ndplen_align != 0)) { INFO(port->func.config->cdev, "Bad NDP length: %#X\n", ndp_len); goto err; @@ -1258,8 +1270,21 @@ static int ncm_unwrap_ntb(struct gether *port, do { index = index2; + /* wDatagramIndex[0] */ + if ((index < opts->nth_size) || + (index > block_len - opts->dpe_size)) { + INFO(port->func.config->cdev, + "Bad index: %#X\n", index); + goto err; + } + dg_len = dg_len2; - if (dg_len < 14 + crc_len) { /* ethernet hdr + crc */ + /* + * wDatagramLength[0] + * ethernet hdr + crc or larger than max frame size + */ + if ((dg_len < 14 + crc_len) || + (dg_len > frame_max)) { INFO(port->func.config->cdev, "Bad dgram length: %#X\n", dg_len); goto err; @@ -1283,6 +1308,13 @@ static int ncm_unwrap_ntb(struct gether *port, index2 = get_ncm(&tmp, opts->dgram_item_len); dg_len2 = get_ncm(&tmp, opts->dgram_item_len); + /* wDatagramIndex[1] */ + if (index2 > block_len - opts->dpe_size) { + INFO(port->func.config->cdev, + "Bad index: %#X\n", index2); + goto err; + } + /* * Copy the data into a new skb. * This ensures the truesize is correct @@ -1299,7 +1331,6 @@ static int ncm_unwrap_ntb(struct gether *port, ndp_len -= 2 * (opts->dgram_item_len * 2); dgram_counter++; - if (index2 == 0 || dg_len2 == 0) break; } while (ndp_len > 2 * (opts->dgram_item_len * 2)); diff --git a/drivers/usb/gadget/function/f_tcm.c b/drivers/usb/gadget/function/f_tcm.c index d94b814328c8bf..184165e27908ed 100644 --- a/drivers/usb/gadget/function/f_tcm.c +++ b/drivers/usb/gadget/function/f_tcm.c @@ -753,12 +753,13 @@ static int uasp_alloc_stream_res(struct f_uas *fu, struct uas_stream *stream) goto err_sts; return 0; + err_sts: - usb_ep_free_request(fu->ep_status, stream->req_status); - stream->req_status = NULL; -err_out: usb_ep_free_request(fu->ep_out, stream->req_out); stream->req_out = NULL; +err_out: + usb_ep_free_request(fu->ep_in, stream->req_in); + stream->req_in = NULL; out: return -ENOMEM; } diff --git a/drivers/usb/gadget/u_f.h b/drivers/usb/gadget/u_f.h index eaa13fd3dc7f36..e313c3b8dcb19a 100644 --- a/drivers/usb/gadget/u_f.h +++ b/drivers/usb/gadget/u_f.h @@ -14,6 +14,7 @@ #define __U_F_H__ #include <linux/usb/gadget.h> +#include <linux/overflow.h> /* Variable Length Array Macros **********************************************/ #define vla_group(groupname) size_t groupname##__next = 0 @@ -21,21 +22,36 @@ #define vla_item(groupname, type, name, n) \ size_t groupname##_##name##__offset = ({ \ - size_t align_mask = __alignof__(type) - 1; \ - size_t offset = (groupname##__next + align_mask) & ~align_mask;\ - size_t size = (n) * sizeof(type); \ - groupname##__next = offset + size; \ + size_t offset = 0; \ + if (groupname##__next != SIZE_MAX) { \ + size_t align_mask = __alignof__(type) - 1; \ + size_t size = array_size(n, sizeof(type)); \ + offset = (groupname##__next + align_mask) & \ + ~align_mask; \ + if (check_add_overflow(offset, size, \ + &groupname##__next)) { \ + groupname##__next = SIZE_MAX; \ + offset = 0; \ + } \ + } \ offset; \ }) #define vla_item_with_sz(groupname, type, name, n) \ - size_t groupname##_##name##__sz = (n) * sizeof(type); \ - size_t groupname##_##name##__offset = ({ \ - size_t align_mask = __alignof__(type) - 1; \ - size_t offset = (groupname##__next + align_mask) & ~align_mask;\ - size_t size = groupname##_##name##__sz; \ - groupname##__next = offset + size; \ - offset; \ + size_t groupname##_##name##__sz = array_size(n, sizeof(type)); \ + size_t groupname##_##name##__offset = ({ \ + size_t offset = 0; \ + if (groupname##__next != SIZE_MAX) { \ + size_t align_mask = __alignof__(type) - 1; \ + offset = (groupname##__next + align_mask) & \ + ~align_mask; \ + if (check_add_overflow(offset, groupname##_##name##__sz,\ + &groupname##__next)) { \ + groupname##__next = SIZE_MAX; \ + offset = 0; \ + } \ + } \ + offset; \ }) #define vla_ptr(ptr, groupname, name) \ diff --git a/drivers/usb/gadget/udc/atmel_usba_udc.c b/drivers/usb/gadget/udc/atmel_usba_udc.c index fa6793065c7c98..a6426dd1cfefe2 100644 --- a/drivers/usb/gadget/udc/atmel_usba_udc.c +++ b/drivers/usb/gadget/udc/atmel_usba_udc.c @@ -328,7 +328,7 @@ static int usba_config_fifo_table(struct usba_udc *udc) switch (fifo_mode) { default: fifo_mode = 0; - /* fall through */ + fallthrough; case 0: udc->fifo_cfg = NULL; n = 0; diff --git a/drivers/usb/gadget/udc/fsl_udc_core.c b/drivers/usb/gadget/udc/fsl_udc_core.c index b2638e83bb4989..a6f7b2594c090b 100644 --- a/drivers/usb/gadget/udc/fsl_udc_core.c +++ b/drivers/usb/gadget/udc/fsl_udc_core.c @@ -250,7 +250,7 @@ static int dr_controller_setup(struct fsl_udc *udc) break; case FSL_USB2_PHY_UTMI_WIDE: portctrl |= PORTSCX_PTW_16BIT; - /* fall through */ + fallthrough; case FSL_USB2_PHY_UTMI: case FSL_USB2_PHY_UTMI_DUAL: if (udc->pdata->have_sysif_regs) { diff --git a/drivers/usb/gadget/udc/pxa25x_udc.c b/drivers/usb/gadget/udc/pxa25x_udc.c index cfafdd92c2a841..10324a7334fe17 100644 --- a/drivers/usb/gadget/udc/pxa25x_udc.c +++ b/drivers/usb/gadget/udc/pxa25x_udc.c @@ -2340,12 +2340,12 @@ static int pxa25x_udc_probe(struct platform_device *pdev) case PXA250_A0: case PXA250_A1: /* A0/A1 "not released"; ep 13, 15 unusable */ - /* fall through */ + fallthrough; case PXA250_B2: case PXA210_B2: case PXA250_B1: case PXA210_B1: case PXA250_B0: case PXA210_B0: /* OUT-DMA is broken ... */ - /* fall through */ + fallthrough; case PXA250_C0: case PXA210_C0: break; #elif defined(CONFIG_ARCH_IXP4XX) diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index 6257be4110ca26..3575b720188104 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -22,6 +22,7 @@ #include <linux/interrupt.h> #include <linux/usb.h> #include <linux/usb/hcd.h> +#include <linux/usb/otg.h> #include <linux/moduleparam.h> #include <linux/dma-mapping.h> #include <linux/debugfs.h> diff --git a/drivers/usb/host/ehci-hub.c b/drivers/usb/host/ehci-hub.c index ce0eaf7d7c12a1..087402aec5cbeb 100644 --- a/drivers/usb/host/ehci-hub.c +++ b/drivers/usb/host/ehci-hub.c @@ -14,7 +14,6 @@ */ /*-------------------------------------------------------------------------*/ -#include <linux/usb/otg.h> #define PORT_WAKE_BITS (PORT_WKOC_E|PORT_WKDISC_E|PORT_WKCONN_E) diff --git a/drivers/usb/host/isp116x-hcd.c b/drivers/usb/host/isp116x-hcd.c index a87c0b26279e71..3055d9abfec302 100644 --- a/drivers/usb/host/isp116x-hcd.c +++ b/drivers/usb/host/isp116x-hcd.c @@ -1019,7 +1019,7 @@ static int isp116x_hub_control(struct usb_hcd *hcd, spin_lock_irqsave(&isp116x->lock, flags); isp116x_write_reg32(isp116x, HCRHSTATUS, RH_HS_OCIC); spin_unlock_irqrestore(&isp116x->lock, flags); - /* fall through */ + fallthrough; case C_HUB_LOCAL_POWER: DBG("C_HUB_LOCAL_POWER\n"); break; @@ -1421,10 +1421,10 @@ static int isp116x_bus_suspend(struct usb_hcd *hcd) isp116x_write_reg32(isp116x, HCCONTROL, (val & ~HCCONTROL_HCFS) | HCCONTROL_USB_RESET); - /* fall through */ + fallthrough; case HCCONTROL_USB_RESET: ret = -EBUSY; - /* fall through */ + fallthrough; default: /* HCCONTROL_USB_SUSPEND */ spin_unlock_irqrestore(&isp116x->lock, flags); break; diff --git a/drivers/usb/host/ohci-exynos.c b/drivers/usb/host/ohci-exynos.c index bd40e597f25663..5f5e8a64c8e2e0 100644 --- a/drivers/usb/host/ohci-exynos.c +++ b/drivers/usb/host/ohci-exynos.c @@ -171,9 +171,8 @@ static int exynos_ohci_probe(struct platform_device *pdev) hcd->rsrc_len = resource_size(res); irq = platform_get_irq(pdev, 0); - if (!irq) { - dev_err(&pdev->dev, "Failed to get IRQ\n"); - err = -ENODEV; + if (irq < 0) { + err = irq; goto fail_io; } diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c index b8961c0381cfd4..8c1bbac6d1366d 100644 --- a/drivers/usb/host/pci-quirks.c +++ b/drivers/usb/host/pci-quirks.c @@ -957,7 +957,8 @@ static void quirk_usb_disable_ehci(struct pci_dev *pdev) ehci_bios_handoff(pdev, op_reg_base, cap, offset); break; case 0: /* Illegal reserved cap, set cap=0 so we exit */ - cap = 0; /* fall through */ + cap = 0; + fallthrough; default: dev_warn(&pdev->dev, "EHCI: unrecognized capability %02x\n", diff --git a/drivers/usb/host/xhci-dbgcap.c b/drivers/usb/host/xhci-dbgcap.c index fcc5ac5ce8b10b..ccb0156fcebebf 100644 --- a/drivers/usb/host/xhci-dbgcap.c +++ b/drivers/usb/host/xhci-dbgcap.c @@ -699,7 +699,7 @@ static void dbc_handle_xfer_event(struct xhci_dbc *dbc, union xhci_trb *event) switch (comp_code) { case COMP_SUCCESS: remain_length = 0; - /* FALLTHROUGH */ + fallthrough; case COMP_SHORT_PACKET: status = 0; break; diff --git a/drivers/usb/host/xhci-debugfs.c b/drivers/usb/host/xhci-debugfs.c index 92e25a62fdb5b7..c88bffd68742de 100644 --- a/drivers/usb/host/xhci-debugfs.c +++ b/drivers/usb/host/xhci-debugfs.c @@ -274,7 +274,7 @@ static int xhci_slot_context_show(struct seq_file *s, void *unused) static int xhci_endpoint_context_show(struct seq_file *s, void *unused) { - int dci; + int ep_index; dma_addr_t dma; struct xhci_hcd *xhci; struct xhci_ep_ctx *ep_ctx; @@ -283,9 +283,9 @@ static int xhci_endpoint_context_show(struct seq_file *s, void *unused) xhci = hcd_to_xhci(bus_to_hcd(dev->udev->bus)); - for (dci = 1; dci < 32; dci++) { - ep_ctx = xhci_get_ep_ctx(xhci, dev->out_ctx, dci); - dma = dev->out_ctx->dma + dci * CTX_SIZE(xhci->hcc_params); + for (ep_index = 0; ep_index < 31; ep_index++) { + ep_ctx = xhci_get_ep_ctx(xhci, dev->out_ctx, ep_index); + dma = dev->out_ctx->dma + (ep_index + 1) * CTX_SIZE(xhci->hcc_params); seq_printf(s, "%pad: %s\n", &dma, xhci_decode_ep_context(le32_to_cpu(ep_ctx->ep_info), le32_to_cpu(ep_ctx->ep_info2), diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c index c3554e37e09f3d..c799ca5361d4d9 100644 --- a/drivers/usb/host/xhci-hub.c +++ b/drivers/usb/host/xhci-hub.c @@ -740,15 +740,6 @@ static void xhci_hub_report_usb3_link_state(struct xhci_hcd *xhci, { u32 pls = status_reg & PORT_PLS_MASK; - /* resume state is a xHCI internal state. - * Do not report it to usb core, instead, pretend to be U3, - * thus usb core knows it's not ready for transfer - */ - if (pls == XDEV_RESUME) { - *status |= USB_SS_PORT_LS_U3; - return; - } - /* When the CAS bit is set then warm reset * should be performed on port */ @@ -771,6 +762,16 @@ static void xhci_hub_report_usb3_link_state(struct xhci_hcd *xhci, pls |= USB_PORT_STAT_CONNECTION; } else { /* + * Resume state is an xHCI internal state. Do not report it to + * usb core, instead, pretend to be U3, thus usb core knows + * it's not ready for transfer. + */ + if (pls == XDEV_RESUME) { + *status |= USB_SS_PORT_LS_U3; + return; + } + + /* * If CAS bit isn't set but the Port is already at * Compliance Mode, fake a connection so the USB core * notices the Compliance state and resets the port. @@ -1483,7 +1484,7 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, break; case USB_PORT_FEAT_C_SUSPEND: bus_state->port_c_suspend &= ~(1 << wIndex); - /* fall through */ + fallthrough; case USB_PORT_FEAT_C_RESET: case USB_PORT_FEAT_C_BH_PORT_RESET: case USB_PORT_FEAT_C_CONNECTION: diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c index 696fad50b478b2..fe405cd38dbc11 100644 --- a/drivers/usb/host/xhci-mem.c +++ b/drivers/usb/host/xhci-mem.c @@ -1311,7 +1311,7 @@ static unsigned int xhci_get_endpoint_interval(struct usb_device *udev, interval = xhci_parse_microframe_interval(udev, ep); break; } - /* Fall through - SS and HS isoc/int have same decoding */ + fallthrough; /* SS and HS isoc/int have same decoding */ case USB_SPEED_SUPER_PLUS: case USB_SPEED_SUPER: @@ -1331,7 +1331,7 @@ static unsigned int xhci_get_endpoint_interval(struct usb_device *udev, * since it uses the same rules as low speed interrupt * endpoints. */ - /* fall through */ + fallthrough; case USB_SPEED_LOW: if (usb_endpoint_xfer_int(&ep->desc) || diff --git a/drivers/usb/host/xhci-pci-renesas.c b/drivers/usb/host/xhci-pci-renesas.c index 59b1965ad0a3f1..f97ac9f52bf4d9 100644 --- a/drivers/usb/host/xhci-pci-renesas.c +++ b/drivers/usb/host/xhci-pci-renesas.c @@ -50,20 +50,6 @@ #define RENESAS_RETRY 10000 #define RENESAS_DELAY 10 -#define ROM_VALID_01 0x2013 -#define ROM_VALID_02 0x2026 - -static int renesas_verify_fw_version(struct pci_dev *pdev, u32 version) -{ - switch (version) { - case ROM_VALID_01: - case ROM_VALID_02: - return 0; - } - dev_err(&pdev->dev, "FW has invalid version :%d\n", version); - return -EINVAL; -} - static int renesas_fw_download_image(struct pci_dev *dev, const u32 *fw, size_t step, bool rom) { @@ -202,10 +188,7 @@ static int renesas_check_rom_state(struct pci_dev *pdev) version &= RENESAS_FW_VERSION_FIELD; version = version >> RENESAS_FW_VERSION_OFFSET; - - err = renesas_verify_fw_version(pdev, version); - if (err) - return err; + dev_dbg(&pdev->dev, "Found ROM version: %x\n", version); /* * Test if ROM is present and loaded, if so we can skip everything diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index 2c255d0620b054..a741a38a4c6907 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -2103,7 +2103,7 @@ static int process_ctrl_td(struct xhci_hcd *xhci, struct xhci_td *td, break; xhci_dbg(xhci, "TRB error %u, halted endpoint index = %u\n", trb_comp_code, ep_index); - /* else fall through */ + fallthrough; case COMP_STALL_ERROR: /* Did we transfer part of the data (middle) phase? */ if (trb_type == TRB_DATA || trb_type == TRB_NORMAL) diff --git a/drivers/usb/host/xhci-tegra.c b/drivers/usb/host/xhci-tegra.c index 014d79334f50e1..190923d8b246ee 100644 --- a/drivers/usb/host/xhci-tegra.c +++ b/drivers/usb/host/xhci-tegra.c @@ -1136,7 +1136,7 @@ static struct phy *tegra_xusb_get_phy(struct tegra_xusb *tegra, char *name, unsigned int i, phy_count = 0; for (i = 0; i < tegra->soc->num_types; i++) { - if (!strncmp(tegra->soc->phy_types[i].name, "usb2", + if (!strncmp(tegra->soc->phy_types[i].name, name, strlen(name))) return tegra->phys[phy_count+port]; @@ -1258,6 +1258,8 @@ static int tegra_xusb_init_usb_phy(struct tegra_xusb *tegra) INIT_WORK(&tegra->id_work, tegra_xhci_id_work); tegra->id_nb.notifier_call = tegra_xhci_id_notify; + tegra->otg_usb2_port = -EINVAL; + tegra->otg_usb3_port = -EINVAL; for (i = 0; i < tegra->num_usb_phys; i++) { struct phy *phy = tegra_xusb_get_phy(tegra, "usb2", i); diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 3c41b14ecce720..f4cedcaee14b36 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -3236,10 +3236,11 @@ static void xhci_endpoint_reset(struct usb_hcd *hcd, wait_for_completion(cfg_cmd->completion); - ep->ep_state &= ~EP_SOFT_CLEAR_TOGGLE; xhci_free_command(xhci, cfg_cmd); cleanup: xhci_free_command(xhci, stop_cmd); + if (ep->ep_state & EP_SOFT_CLEAR_TOGGLE) + ep->ep_state &= ~EP_SOFT_CLEAR_TOGGLE; } static int xhci_check_streams_endpoint(struct xhci_hcd *xhci, @@ -4618,7 +4619,7 @@ static unsigned long long xhci_calculate_intel_u1_timeout( break; } /* Otherwise the calculation is the same as isoc eps */ - /* fall through */ + fallthrough; case USB_ENDPOINT_XFER_ISOC: timeout_ns = xhci_service_interval_to_ns(desc); timeout_ns = DIV_ROUND_UP_ULL(timeout_ns * 105, 100); diff --git a/drivers/usb/misc/lvstest.c b/drivers/usb/misc/lvstest.c index 407fe7570f3bc2..f8686139d6f392 100644 --- a/drivers/usb/misc/lvstest.c +++ b/drivers/usb/misc/lvstest.c @@ -426,7 +426,7 @@ static int lvs_rh_probe(struct usb_interface *intf, USB_DT_SS_HUB_SIZE, USB_CTRL_GET_TIMEOUT); if (ret < (USB_DT_HUB_NONVAR_SIZE + 2)) { dev_err(&hdev->dev, "wrong root hub descriptor read %d\n", ret); - return ret; + return ret < 0 ? ret : -EINVAL; } /* submit urb to poll interrupt endpoint */ diff --git a/drivers/usb/misc/yurex.c b/drivers/usb/misc/yurex.c index 6e7d34e7fec433..b2e09883c7e2a2 100644 --- a/drivers/usb/misc/yurex.c +++ b/drivers/usb/misc/yurex.c @@ -492,7 +492,7 @@ static ssize_t yurex_write(struct file *file, const char __user *user_buffer, prepare_to_wait(&dev->waitq, &wait, TASK_INTERRUPTIBLE); dev_dbg(&dev->interface->dev, "%s - submit %c\n", __func__, dev->cntl_buffer[0]); - retval = usb_submit_urb(dev->cntl_urb, GFP_KERNEL); + retval = usb_submit_urb(dev->cntl_urb, GFP_ATOMIC); if (retval >= 0) timeout = schedule_timeout(YUREX_WRITE_TIMEOUT); finish_wait(&dev->waitq, &wait); diff --git a/drivers/usb/musb/cppi_dma.c b/drivers/usb/musb/cppi_dma.c index c545b27ea56819..edb5b63d70634d 100644 --- a/drivers/usb/musb/cppi_dma.c +++ b/drivers/usb/musb/cppi_dma.c @@ -975,7 +975,7 @@ static int cppi_channel_program(struct dma_channel *ch, musb_dbg(musb, "%cX DMA%d not allocated!", cppi_ch->transmit ? 'T' : 'R', cppi_ch->index); - /* FALLTHROUGH */ + fallthrough; case MUSB_DMA_STATUS_FREE: break; } diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c index 5a56a03996b1df..849e0b770130a6 100644 --- a/drivers/usb/musb/musb_core.c +++ b/drivers/usb/musb/musb_core.c @@ -852,7 +852,7 @@ static void musb_handle_intr_suspend(struct musb *musb, u8 devctl) case OTG_STATE_B_IDLE: if (!musb->is_active) break; - /* fall through */ + fallthrough; case OTG_STATE_B_PERIPHERAL: musb_g_suspend(musb); musb->is_active = musb->g.b_hnp_enable; @@ -972,9 +972,8 @@ static void musb_handle_intr_disconnect(struct musb *musb, u8 devctl) case OTG_STATE_A_PERIPHERAL: musb_hnp_stop(musb); musb_root_disconnect(musb); - /* FALLTHROUGH */ + fallthrough; case OTG_STATE_B_WAIT_ACON: - /* FALLTHROUGH */ case OTG_STATE_B_PERIPHERAL: case OTG_STATE_B_IDLE: musb_g_disconnect(musb); @@ -1009,7 +1008,7 @@ static void musb_handle_intr_reset(struct musb *musb) switch (musb->xceiv->otg->state) { case OTG_STATE_A_SUSPEND: musb_g_reset(musb); - /* FALLTHROUGH */ + fallthrough; case OTG_STATE_A_WAIT_BCON: /* OPT TD.4.7-900ms */ /* never use invalid T(a_wait_bcon) */ musb_dbg(musb, "HNP: in %s, %d msec timeout", @@ -1030,7 +1029,7 @@ static void musb_handle_intr_reset(struct musb *musb) break; case OTG_STATE_B_IDLE: musb->xceiv->otg->state = OTG_STATE_B_PERIPHERAL; - /* FALLTHROUGH */ + fallthrough; case OTG_STATE_B_PERIPHERAL: musb_g_reset(musb); break; @@ -1471,7 +1470,7 @@ static int ep_config_from_table(struct musb *musb) switch (fifo_mode) { default: fifo_mode = 0; - /* FALLTHROUGH */ + fallthrough; case 0: cfg = mode_0_cfg; n = ARRAY_SIZE(mode_0_cfg); @@ -2018,7 +2017,7 @@ static void musb_pm_runtime_check_session(struct musb *musb) musb->quirk_retries--; return; } - /* fall through */ + fallthrough; case MUSB_QUIRK_A_DISCONNECT_19: if (musb->quirk_retries && !musb->flush_irq_work) { musb_dbg(musb, diff --git a/drivers/usb/musb/musb_dsps.c b/drivers/usb/musb/musb_dsps.c index 19556c1a8ae878..30085b2be7b90b 100644 --- a/drivers/usb/musb/musb_dsps.c +++ b/drivers/usb/musb/musb_dsps.c @@ -232,7 +232,7 @@ static int dsps_check_status(struct musb *musb, void *unused) dsps_mod_timer_optional(glue); break; } - /* fall through */ + fallthrough; case OTG_STATE_A_WAIT_BCON: /* keep VBUS on for host-only mode */ @@ -242,7 +242,7 @@ static int dsps_check_status(struct musb *musb, void *unused) } musb_writeb(musb->mregs, MUSB_DEVCTL, 0); skip_session = 1; - /* fall through */ + fallthrough; case OTG_STATE_A_IDLE: case OTG_STATE_B_IDLE: @@ -793,7 +793,7 @@ static int dsps_create_musb_pdev(struct dsps_glue *glue, case USB_SPEED_SUPER: dev_warn(dev, "ignore incorrect maximum_speed " "(super-speed) setting in dts"); - /* fall through */ + fallthrough; default: config->maximum_speed = USB_SPEED_HIGH; } diff --git a/drivers/usb/musb/musb_gadget_ep0.c b/drivers/usb/musb/musb_gadget_ep0.c index 0ae3e0be043ed2..44d3cb02fa76a8 100644 --- a/drivers/usb/musb/musb_gadget_ep0.c +++ b/drivers/usb/musb/musb_gadget_ep0.c @@ -735,7 +735,7 @@ irqreturn_t musb_g_ep0_irq(struct musb *musb) musb_writeb(mbase, MUSB_TESTMODE, musb->test_mode_nr); } - /* FALLTHROUGH */ + fallthrough; case MUSB_EP0_STAGE_STATUSOUT: /* end of sequence #1: write to host (TX state) */ @@ -767,7 +767,7 @@ irqreturn_t musb_g_ep0_irq(struct musb *musb) */ retval = IRQ_HANDLED; musb->ep0_state = MUSB_EP0_STAGE_SETUP; - /* FALLTHROUGH */ + fallthrough; case MUSB_EP0_STAGE_SETUP: setup: diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c index 8b7d22a0c0fba0..30c5e7de0761c5 100644 --- a/drivers/usb/musb/musb_host.c +++ b/drivers/usb/musb/musb_host.c @@ -360,7 +360,7 @@ static void musb_advance_schedule(struct musb *musb, struct urb *urb, qh = first_qh(head); break; } - /* fall through */ + fallthrough; case USB_ENDPOINT_XFER_ISOC: case USB_ENDPOINT_XFER_INT: @@ -1019,7 +1019,7 @@ static bool musb_h_ep0_continue(struct musb *musb, u16 len, struct urb *urb) musb->ep0_stage = MUSB_EP0_OUT; more = true; } - /* FALLTHROUGH */ + fallthrough; case MUSB_EP0_OUT: fifo_count = min_t(size_t, qh->maxpacket, urb->transfer_buffer_length - @@ -2222,7 +2222,7 @@ static int musb_urb_enqueue( interval = max_t(u8, epd->bInterval, 1); break; } - /* FALLTHROUGH */ + fallthrough; case USB_ENDPOINT_XFER_ISOC: /* ISO always uses logarithmic encoding */ interval = min_t(u8, epd->bInterval, 16); diff --git a/drivers/usb/musb/musb_virthub.c b/drivers/usb/musb/musb_virthub.c index cb7ae297a3af00..cafc69536e1d78 100644 --- a/drivers/usb/musb/musb_virthub.c +++ b/drivers/usb/musb/musb_virthub.c @@ -211,7 +211,7 @@ void musb_root_disconnect(struct musb *musb) musb->g.is_a_peripheral = 1; break; } - /* FALLTHROUGH */ + fallthrough; case OTG_STATE_A_HOST: musb->xceiv->otg->state = OTG_STATE_A_WAIT_BCON; musb->is_active = 0; diff --git a/drivers/usb/musb/omap2430.c b/drivers/usb/musb/omap2430.c index d62c78b97cadb3..4232f1ce3fbfaa 100644 --- a/drivers/usb/musb/omap2430.c +++ b/drivers/usb/musb/omap2430.c @@ -104,7 +104,7 @@ static void omap_musb_set_mailbox(struct omap2430_glue *glue) if (error) break; musb->xceiv->otg->state = OTG_STATE_A_WAIT_VRISE; - /* Fall through */ + fallthrough; case OTG_STATE_A_WAIT_VRISE: case OTG_STATE_A_WAIT_BCON: case OTG_STATE_A_HOST: diff --git a/drivers/usb/musb/tusb6010.c b/drivers/usb/musb/tusb6010.c index 99890d1bbfcb54..c26683a2702b65 100644 --- a/drivers/usb/musb/tusb6010.c +++ b/drivers/usb/musb/tusb6010.c @@ -464,7 +464,7 @@ static void musb_do_idle(struct timer_list *t) dev_dbg(musb->controller, "Nothing connected %s, turning off VBUS\n", usb_otg_state_string(musb->xceiv->otg->state)); } - /* FALLTHROUGH */ + fallthrough; case OTG_STATE_A_IDLE: tusb_musb_set_vbus(musb, 0); default: diff --git a/drivers/usb/phy/phy-jz4770.c b/drivers/usb/phy/phy-jz4770.c index d4ee3cb721ea8c..f6d3731581ebde 100644 --- a/drivers/usb/phy/phy-jz4770.c +++ b/drivers/usb/phy/phy-jz4770.c @@ -176,6 +176,7 @@ static int ingenic_usb_phy_init(struct usb_phy *phy) /* Wait for PHY to reset */ usleep_range(30, 300); + reg = readl(priv->base + REG_USBPCR_OFFSET); writel(reg & ~USBPCR_POR, priv->base + REG_USBPCR_OFFSET); usleep_range(300, 1000); diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index 871cdccf3a5f1c..9823bb424abd9a 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -713,6 +713,7 @@ static const struct usb_device_id id_table_combined[] = { { USB_DEVICE(XSENS_VID, XSENS_AWINDA_STATION_PID) }, { USB_DEVICE(XSENS_VID, XSENS_CONVERTER_PID) }, { USB_DEVICE(XSENS_VID, XSENS_MTDEVBOARD_PID) }, + { USB_DEVICE(XSENS_VID, XSENS_MTIUSBCONVERTER_PID) }, { USB_DEVICE(XSENS_VID, XSENS_MTW_PID) }, { USB_DEVICE(FTDI_VID, FTDI_OMNI1509) }, { USB_DEVICE(MOBILITY_VID, MOBILITY_USB_SERIAL_PID) }, diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h index e8373528264c36..b5ca17a5967a0d 100644 --- a/drivers/usb/serial/ftdi_sio_ids.h +++ b/drivers/usb/serial/ftdi_sio_ids.h @@ -160,6 +160,7 @@ #define XSENS_AWINDA_DONGLE_PID 0x0102 #define XSENS_MTW_PID 0x0200 /* Xsens MTw */ #define XSENS_MTDEVBOARD_PID 0x0300 /* Motion Tracker Development Board */ +#define XSENS_MTIUSBCONVERTER_PID 0x0301 /* MTi USB converter */ #define XSENS_CONVERTER_PID 0xD00D /* Xsens USB-serial converter */ /* Xsens devices using FTDI VID */ diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index 89b3192af3269b..0c6f160a214ab1 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -1094,14 +1094,18 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE(QUALCOMM_VENDOR_ID, UBLOX_PRODUCT_R410M), .driver_info = RSVD(1) | RSVD(3) }, /* Quectel products using Quectel vendor ID */ - { USB_DEVICE(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EC21), - .driver_info = RSVD(4) }, - { USB_DEVICE(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EC25), - .driver_info = RSVD(4) }, - { USB_DEVICE(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EG95), - .driver_info = RSVD(4) }, - { USB_DEVICE(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_BG96), - .driver_info = RSVD(4) }, + { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EC21, 0xff, 0xff, 0xff), + .driver_info = NUMEP2 }, + { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EC21, 0xff, 0, 0) }, + { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EC25, 0xff, 0xff, 0xff), + .driver_info = NUMEP2 }, + { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EC25, 0xff, 0, 0) }, + { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EG95, 0xff, 0xff, 0xff), + .driver_info = NUMEP2 }, + { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EG95, 0xff, 0, 0) }, + { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_BG96, 0xff, 0xff, 0xff), + .driver_info = NUMEP2 }, + { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_BG96, 0xff, 0, 0) }, { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EP06, 0xff, 0xff, 0xff), .driver_info = RSVD(1) | RSVD(2) | RSVD(3) | RSVD(4) | NUMEP2 }, { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EP06, 0xff, 0, 0) }, @@ -1819,6 +1823,8 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_INTERFACE_CLASS(0x1e0e, 0x9003, 0xff) }, /* Simcom SIM7500/SIM7600 MBIM mode */ { USB_DEVICE_INTERFACE_CLASS(0x1e0e, 0x9011, 0xff), /* Simcom SIM7500/SIM7600 RNDIS mode */ .driver_info = RSVD(7) }, + { USB_DEVICE_INTERFACE_CLASS(0x1e0e, 0x9205, 0xff) }, /* Simcom SIM7070/SIM7080/SIM7090 AT+ECM mode */ + { USB_DEVICE_INTERFACE_CLASS(0x1e0e, 0x9206, 0xff) }, /* Simcom SIM7070/SIM7080/SIM7090 AT-only mode */ { USB_DEVICE(ALCATEL_VENDOR_ID, ALCATEL_PRODUCT_X060S_X200), .driver_info = NCTRL(0) | NCTRL(1) | RSVD(4) }, { USB_DEVICE(ALCATEL_VENDOR_ID, ALCATEL_PRODUCT_X220_X500D), diff --git a/drivers/usb/storage/sddr55.c b/drivers/usb/storage/sddr55.c index c8a988d2cfdd35..15dc25801cdcc5 100644 --- a/drivers/usb/storage/sddr55.c +++ b/drivers/usb/storage/sddr55.c @@ -592,7 +592,7 @@ static unsigned long sddr55_get_capacity(struct us_data *us) { case 0x64: info->pageshift = 8; info->smallpageshift = 1; - /* fall through */ + fallthrough; case 0x5d: // 5d is a ROM card with pagesize 512. return 0x00200000; diff --git a/drivers/usb/storage/uas.c b/drivers/usb/storage/uas.c index d592071119ba6b..8183504e3abbc7 100644 --- a/drivers/usb/storage/uas.c +++ b/drivers/usb/storage/uas.c @@ -662,8 +662,7 @@ static int uas_queuecommand_lck(struct scsi_cmnd *cmnd, if (devinfo->resetting) { cmnd->result = DID_ERROR << 16; cmnd->scsi_done(cmnd); - spin_unlock_irqrestore(&devinfo->lock, flags); - return 0; + goto zombie; } /* Find a free uas-tag */ @@ -688,7 +687,7 @@ static int uas_queuecommand_lck(struct scsi_cmnd *cmnd, break; case DMA_BIDIRECTIONAL: cmdinfo->state |= ALLOC_DATA_IN_URB | SUBMIT_DATA_IN_URB; - /* fall through */ + fallthrough; case DMA_TO_DEVICE: cmdinfo->state |= ALLOC_DATA_OUT_URB | SUBMIT_DATA_OUT_URB; case DMA_NONE: @@ -699,6 +698,16 @@ static int uas_queuecommand_lck(struct scsi_cmnd *cmnd, cmdinfo->state &= ~(SUBMIT_DATA_IN_URB | SUBMIT_DATA_OUT_URB); err = uas_submit_urbs(cmnd, devinfo); + /* + * in case of fatal errors the SCSI layer is peculiar + * a command that has finished is a success for the purpose + * of queueing, no matter how fatal the error + */ + if (err == -ENODEV) { + cmnd->result = DID_ERROR << 16; + cmnd->scsi_done(cmnd); + goto zombie; + } if (err) { /* If we did nothing, give up now */ if (cmdinfo->state & SUBMIT_STATUS_URB) { @@ -709,6 +718,7 @@ static int uas_queuecommand_lck(struct scsi_cmnd *cmnd, } devinfo->cmnd[idx] = cmnd; +zombie: spin_unlock_irqrestore(&devinfo->lock, flags); return 0; } diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h index 220ae2c356eee8..5732e9691f08f2 100644 --- a/drivers/usb/storage/unusual_devs.h +++ b/drivers/usb/storage/unusual_devs.h @@ -2328,7 +2328,7 @@ UNUSUAL_DEV( 0x357d, 0x7788, 0x0114, 0x0114, "JMicron", "USB to ATA/ATAPI Bridge", USB_SC_DEVICE, USB_PR_DEVICE, NULL, - US_FL_BROKEN_FUA ), + US_FL_BROKEN_FUA | US_FL_IGNORE_UAS ), /* Reported by Andrey Rahmatullin <wrar@altlinux.org> */ UNUSUAL_DEV( 0x4102, 0x1020, 0x0100, 0x0100, diff --git a/drivers/usb/storage/unusual_uas.h b/drivers/usb/storage/unusual_uas.h index 162b09d69f62ff..711ab240058c7d 100644 --- a/drivers/usb/storage/unusual_uas.h +++ b/drivers/usb/storage/unusual_uas.h @@ -28,6 +28,13 @@ * and don't forget to CC: the USB development list <linux-usb@vger.kernel.org> */ +/* Reported-by: Till Dörges <doerges@pre-sense.de> */ +UNUSUAL_DEV(0x054c, 0x087d, 0x0000, 0x9999, + "Sony", + "PSZ-HA*", + USB_SC_DEVICE, USB_PR_DEVICE, NULL, + US_FL_NO_REPORT_OPCODES), + /* Reported-by: Julian Groß <julian.g@posteo.de> */ UNUSUAL_DEV(0x059f, 0x105f, 0x0000, 0x9999, "LaCie", @@ -80,6 +87,13 @@ UNUSUAL_DEV(0x152d, 0x0578, 0x0000, 0x9999, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_BROKEN_FUA), +/* Reported-by: Thinh Nguyen <thinhn@synopsys.com> */ +UNUSUAL_DEV(0x154b, 0xf00d, 0x0000, 0x9999, + "PNY", + "Pro Elite SSD", + USB_SC_DEVICE, USB_PR_DEVICE, NULL, + US_FL_NO_ATA_1X), + /* Reported-by: Hans de Goede <hdegoede@redhat.com> */ UNUSUAL_DEV(0x2109, 0x0711, 0x0000, 0x9999, "VIA", diff --git a/drivers/usb/typec/mux/intel_pmc_mux.c b/drivers/usb/typec/mux/intel_pmc_mux.c index e4021e13af40a3..676b525c2a6620 100644 --- a/drivers/usb/typec/mux/intel_pmc_mux.c +++ b/drivers/usb/typec/mux/intel_pmc_mux.c @@ -61,14 +61,11 @@ enum { #define PMC_USB_ALTMODE_ORI_SHIFT 1 #define PMC_USB_ALTMODE_UFP_SHIFT 3 -#define PMC_USB_ALTMODE_ORI_AUX_SHIFT 4 -#define PMC_USB_ALTMODE_ORI_HSL_SHIFT 5 /* DP specific Mode Data bits */ #define PMC_USB_ALTMODE_DP_MODE_SHIFT 8 /* TBT specific Mode Data bits */ -#define PMC_USB_ALTMODE_HPD_HIGH BIT(14) #define PMC_USB_ALTMODE_TBT_TYPE BIT(17) #define PMC_USB_ALTMODE_CABLE_TYPE BIT(18) #define PMC_USB_ALTMODE_ACTIVE_LINK BIT(20) @@ -128,13 +125,19 @@ static int hsl_orientation(struct pmc_usb_port *port) static int pmc_usb_command(struct pmc_usb_port *port, u8 *msg, u32 len) { u8 response[4]; + int ret; /* * Error bit will always be 0 with the USBC command. - * Status can be checked from the response message. + * Status can be checked from the response message if the + * function intel_scu_ipc_dev_command succeeds. */ - intel_scu_ipc_dev_command(port->pmc->ipc, PMC_USBC_CMD, 0, msg, len, - response, sizeof(response)); + ret = intel_scu_ipc_dev_command(port->pmc->ipc, PMC_USBC_CMD, 0, msg, + len, response, sizeof(response)); + + if (ret) + return ret; + if (response[2] & PMC_USB_RESP_STATUS_FAILURE) { if (response[2] & PMC_USB_RESP_STATUS_FATAL) return -EIO; @@ -179,15 +182,9 @@ pmc_usb_mux_dp(struct pmc_usb_port *port, struct typec_mux_state *state) req.mode_data = (port->orientation - 1) << PMC_USB_ALTMODE_ORI_SHIFT; req.mode_data |= (port->role - 1) << PMC_USB_ALTMODE_UFP_SHIFT; - req.mode_data |= sbu_orientation(port) << PMC_USB_ALTMODE_ORI_AUX_SHIFT; - req.mode_data |= hsl_orientation(port) << PMC_USB_ALTMODE_ORI_HSL_SHIFT; - req.mode_data |= (state->mode - TYPEC_STATE_MODAL) << PMC_USB_ALTMODE_DP_MODE_SHIFT; - if (data->status & DP_STATUS_HPD_STATE) - req.mode_data |= PMC_USB_ALTMODE_HPD_HIGH; - ret = pmc_usb_command(port, (void *)&req, sizeof(req)); if (ret) return ret; @@ -212,9 +209,6 @@ pmc_usb_mux_tbt(struct pmc_usb_port *port, struct typec_mux_state *state) req.mode_data = (port->orientation - 1) << PMC_USB_ALTMODE_ORI_SHIFT; req.mode_data |= (port->role - 1) << PMC_USB_ALTMODE_UFP_SHIFT; - req.mode_data |= sbu_orientation(port) << PMC_USB_ALTMODE_ORI_AUX_SHIFT; - req.mode_data |= hsl_orientation(port) << PMC_USB_ALTMODE_ORI_HSL_SHIFT; - if (TBT_ADAPTER(data->device_mode) == TBT_ADAPTER_TBT3) req.mode_data |= PMC_USB_ALTMODE_TBT_TYPE; @@ -497,6 +491,7 @@ err_remove_ports: for (i = 0; i < pmc->num_ports; i++) { typec_switch_unregister(pmc->port[i].typec_sw); typec_mux_unregister(pmc->port[i].typec_mux); + usb_role_switch_unregister(pmc->port[i].usb_sw); } return ret; @@ -510,6 +505,7 @@ static int pmc_usb_remove(struct platform_device *pdev) for (i = 0; i < pmc->num_ports; i++) { typec_switch_unregister(pmc->port[i].typec_sw); typec_mux_unregister(pmc->port[i].typec_mux); + usb_role_switch_unregister(pmc->port[i].usb_sw); } return 0; diff --git a/drivers/usb/typec/tcpm/tcpci.c b/drivers/usb/typec/tcpm/tcpci.c index f57d91fd0e0924..bd80e03b2b6f80 100644 --- a/drivers/usb/typec/tcpm/tcpci.c +++ b/drivers/usb/typec/tcpm/tcpci.c @@ -157,7 +157,7 @@ static enum typec_cc_status tcpci_to_typec_cc(unsigned int cc, bool sink) case 0x3: if (sink) return TYPEC_CC_RP_3_0; - /* fall through */ + fallthrough; case 0x0: default: return TYPEC_CC_OPEN; diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c index 3ef37202ee3757..a48e3f90d19610 100644 --- a/drivers/usb/typec/tcpm/tcpm.c +++ b/drivers/usb/typec/tcpm/tcpm.c @@ -3372,13 +3372,31 @@ static void run_state_machine(struct tcpm_port *port) tcpm_set_state(port, SNK_HARD_RESET_SINK_OFF, 0); break; case SRC_HARD_RESET_VBUS_OFF: - tcpm_set_vconn(port, true); + /* + * 7.1.5 Response to Hard Resets + * Hard Reset Signaling indicates a communication failure has occurred and the + * Source Shall stop driving VCONN, Shall remove Rp from the VCONN pin and Shall + * drive VBUS to vSafe0V as shown in Figure 7-9. + */ + tcpm_set_vconn(port, false); tcpm_set_vbus(port, false); tcpm_set_roles(port, port->self_powered, TYPEC_SOURCE, tcpm_data_role_for_source(port)); - tcpm_set_state(port, SRC_HARD_RESET_VBUS_ON, PD_T_SRC_RECOVER); + /* + * If tcpc fails to notify vbus off, TCPM will wait for PD_T_SAFE_0V + + * PD_T_SRC_RECOVER before turning vbus back on. + * From Table 7-12 Sequence Description for a Source Initiated Hard Reset: + * 4. Policy Engine waits tPSHardReset after sending Hard Reset Signaling and then + * tells the Device Policy Manager to instruct the power supply to perform a + * Hard Reset. The transition to vSafe0V Shall occur within tSafe0V (t2). + * 5. After tSrcRecover the Source applies power to VBUS in an attempt to + * re-establish communication with the Sink and resume USB Default Operation. + * The transition to vSafe5V Shall occur within tSrcTurnOn(t4). + */ + tcpm_set_state(port, SRC_HARD_RESET_VBUS_ON, PD_T_SAFE_0V + PD_T_SRC_RECOVER); break; case SRC_HARD_RESET_VBUS_ON: + tcpm_set_vconn(port, true); tcpm_set_vbus(port, true); port->tcpc->set_pd_rx(port->tcpc, true); tcpm_set_attached_state(port, true); @@ -3944,7 +3962,11 @@ static void _tcpm_pd_vbus_off(struct tcpm_port *port) tcpm_set_state(port, SNK_HARD_RESET_WAIT_VBUS, 0); break; case SRC_HARD_RESET_VBUS_OFF: - tcpm_set_state(port, SRC_HARD_RESET_VBUS_ON, 0); + /* + * After establishing the vSafe0V voltage condition on VBUS, the Source Shall wait + * tSrcRecover before re-applying VCONN and restoring VBUS to vSafe5V. + */ + tcpm_set_state(port, SRC_HARD_RESET_VBUS_ON, PD_T_SRC_RECOVER); break; case HARD_RESET_SEND: break; diff --git a/drivers/usb/typec/ucsi/displayport.c b/drivers/usb/typec/ucsi/displayport.c index 048381c058a5bf..261131c9e37c63 100644 --- a/drivers/usb/typec/ucsi/displayport.c +++ b/drivers/usb/typec/ucsi/displayport.c @@ -288,8 +288,6 @@ struct typec_altmode *ucsi_register_displayport(struct ucsi_connector *con, struct typec_altmode *alt; struct ucsi_dp *dp; - mutex_lock(&con->lock); - /* We can't rely on the firmware with the capabilities. */ desc->vdo |= DP_CAP_DP_SIGNALING | DP_CAP_RECEPTACLE; @@ -298,15 +296,12 @@ struct typec_altmode *ucsi_register_displayport(struct ucsi_connector *con, desc->vdo |= all_assignments << 16; alt = typec_port_register_altmode(con->port, desc); - if (IS_ERR(alt)) { - mutex_unlock(&con->lock); + if (IS_ERR(alt)) return alt; - } dp = devm_kzalloc(&alt->dev, sizeof(*dp), GFP_KERNEL); if (!dp) { typec_unregister_altmode(alt); - mutex_unlock(&con->lock); return ERR_PTR(-ENOMEM); } @@ -319,7 +314,5 @@ struct typec_altmode *ucsi_register_displayport(struct ucsi_connector *con, alt->ops = &ucsi_displayport_ops; typec_altmode_set_drvdata(alt, dp); - mutex_unlock(&con->lock); - return alt; } diff --git a/drivers/usb/typec/ucsi/ucsi.c b/drivers/usb/typec/ucsi/ucsi.c index affd024190c911..758b988ac518a7 100644 --- a/drivers/usb/typec/ucsi/ucsi.c +++ b/drivers/usb/typec/ucsi/ucsi.c @@ -146,40 +146,33 @@ static int ucsi_exec_command(struct ucsi *ucsi, u64 cmd) return UCSI_CCI_LENGTH(cci); } -static int ucsi_run_command(struct ucsi *ucsi, u64 command, - void *data, size_t size) +int ucsi_send_command(struct ucsi *ucsi, u64 command, + void *data, size_t size) { u8 length; int ret; + mutex_lock(&ucsi->ppm_lock); + ret = ucsi_exec_command(ucsi, command); if (ret < 0) - return ret; + goto out; length = ret; if (data) { ret = ucsi->ops->read(ucsi, UCSI_MESSAGE_IN, data, size); if (ret) - return ret; + goto out; } ret = ucsi_acknowledge_command(ucsi); if (ret) - return ret; + goto out; - return length; -} - -int ucsi_send_command(struct ucsi *ucsi, u64 command, - void *retval, size_t size) -{ - int ret; - - mutex_lock(&ucsi->ppm_lock); - ret = ucsi_run_command(ucsi, command, retval, size); + ret = length; +out: mutex_unlock(&ucsi->ppm_lock); - return ret; } EXPORT_SYMBOL_GPL(ucsi_send_command); @@ -205,7 +198,7 @@ void ucsi_altmode_update_active(struct ucsi_connector *con) int i; command = UCSI_GET_CURRENT_CAM | UCSI_CONNECTOR_NUMBER(con->num); - ret = ucsi_run_command(con->ucsi, command, &cur, sizeof(cur)); + ret = ucsi_send_command(con->ucsi, command, &cur, sizeof(cur)); if (ret < 0) { if (con->ucsi->version > 0x0100) { dev_err(con->ucsi->dev, @@ -223,14 +216,18 @@ void ucsi_altmode_update_active(struct ucsi_connector *con) con->partner_altmode[i] == altmode); } -static u8 ucsi_altmode_next_mode(struct typec_altmode **alt, u16 svid) +static int ucsi_altmode_next_mode(struct typec_altmode **alt, u16 svid) { u8 mode = 1; int i; - for (i = 0; alt[i]; i++) + for (i = 0; alt[i]; i++) { + if (i > MODE_DISCOVERY_MAX) + return -ERANGE; + if (alt[i]->svid == svid) mode++; + } return mode; } @@ -265,8 +262,11 @@ static int ucsi_register_altmode(struct ucsi_connector *con, goto err; } - desc->mode = ucsi_altmode_next_mode(con->port_altmode, - desc->svid); + ret = ucsi_altmode_next_mode(con->port_altmode, desc->svid); + if (ret < 0) + return ret; + + desc->mode = ret; switch (desc->svid) { case USB_TYPEC_DP_SID: @@ -299,8 +299,11 @@ static int ucsi_register_altmode(struct ucsi_connector *con, goto err; } - desc->mode = ucsi_altmode_next_mode(con->partner_altmode, - desc->svid); + ret = ucsi_altmode_next_mode(con->partner_altmode, desc->svid); + if (ret < 0) + return ret; + + desc->mode = ret; alt = typec_partner_register_altmode(con->partner, desc); if (IS_ERR(alt)) { @@ -354,7 +357,7 @@ ucsi_register_altmodes_nvidia(struct ucsi_connector *con, u8 recipient) command |= UCSI_GET_ALTMODE_RECIPIENT(recipient); command |= UCSI_GET_ALTMODE_CONNECTOR_NUMBER(con->num); command |= UCSI_GET_ALTMODE_OFFSET(i); - len = ucsi_run_command(con->ucsi, command, &alt, sizeof(alt)); + len = ucsi_send_command(con->ucsi, command, &alt, sizeof(alt)); /* * We are collecting all altmodes first and then registering. * Some type-C device will return zero length data beyond last @@ -431,7 +434,7 @@ static int ucsi_register_altmodes(struct ucsi_connector *con, u8 recipient) command |= UCSI_GET_ALTMODE_RECIPIENT(recipient); command |= UCSI_GET_ALTMODE_CONNECTOR_NUMBER(con->num); command |= UCSI_GET_ALTMODE_OFFSET(i); - len = ucsi_run_command(con->ucsi, command, alt, sizeof(alt)); + len = ucsi_send_command(con->ucsi, command, alt, sizeof(alt)); if (len <= 0) return len; @@ -502,7 +505,7 @@ static void ucsi_get_pdos(struct ucsi_connector *con, int is_partner) command |= UCSI_GET_PDOS_PARTNER_PDO(is_partner); command |= UCSI_GET_PDOS_NUM_PDOS(UCSI_MAX_PDOS - 1); command |= UCSI_GET_PDOS_SRC_PDOS; - ret = ucsi_run_command(ucsi, command, con->src_pdos, + ret = ucsi_send_command(ucsi, command, con->src_pdos, sizeof(con->src_pdos)); if (ret < 0) { dev_err(ucsi->dev, "UCSI_GET_PDOS failed (%d)\n", ret); @@ -681,7 +684,7 @@ static void ucsi_handle_connector_change(struct work_struct *work) */ command = UCSI_GET_CAM_SUPPORTED; command |= UCSI_CONNECTOR_NUMBER(con->num); - ucsi_run_command(con->ucsi, command, NULL, 0); + ucsi_send_command(con->ucsi, command, NULL, 0); } if (con->status.change & UCSI_CONSTAT_PARTNER_CHANGE) @@ -736,20 +739,24 @@ static int ucsi_reset_ppm(struct ucsi *ucsi) u32 cci; int ret; + mutex_lock(&ucsi->ppm_lock); + ret = ucsi->ops->async_write(ucsi, UCSI_CONTROL, &command, sizeof(command)); if (ret < 0) - return ret; + goto out; tmo = jiffies + msecs_to_jiffies(UCSI_TIMEOUT_MS); do { - if (time_is_before_jiffies(tmo)) - return -ETIMEDOUT; + if (time_is_before_jiffies(tmo)) { + ret = -ETIMEDOUT; + goto out; + } ret = ucsi->ops->read(ucsi, UCSI_CCI, &cci, sizeof(cci)); if (ret) - return ret; + goto out; /* If the PPM is still doing something else, reset it again. */ if (cci & ~UCSI_CCI_RESET_COMPLETE) { @@ -757,13 +764,15 @@ static int ucsi_reset_ppm(struct ucsi *ucsi) &command, sizeof(command)); if (ret < 0) - return ret; + goto out; } msleep(20); } while (!(cci & UCSI_CCI_RESET_COMPLETE)); - return 0; +out: + mutex_unlock(&ucsi->ppm_lock); + return ret; } static int ucsi_role_cmd(struct ucsi_connector *con, u64 command) @@ -775,9 +784,7 @@ static int ucsi_role_cmd(struct ucsi_connector *con, u64 command) u64 c; /* PPM most likely stopped responding. Resetting everything. */ - mutex_lock(&con->ucsi->ppm_lock); ucsi_reset_ppm(con->ucsi); - mutex_unlock(&con->ucsi->ppm_lock); c = UCSI_SET_NOTIFICATION_ENABLE | con->ucsi->ntfy; ucsi_send_command(con->ucsi, c, NULL, 0); @@ -901,12 +908,15 @@ static int ucsi_register_port(struct ucsi *ucsi, int index) con->num = index + 1; con->ucsi = ucsi; + /* Delay other interactions with the con until registration is complete */ + mutex_lock(&con->lock); + /* Get connector capability */ command = UCSI_GET_CONNECTOR_CAPABILITY; command |= UCSI_CONNECTOR_NUMBER(con->num); - ret = ucsi_run_command(ucsi, command, &con->cap, sizeof(con->cap)); + ret = ucsi_send_command(ucsi, command, &con->cap, sizeof(con->cap)); if (ret < 0) - return ret; + goto out; if (con->cap.op_mode & UCSI_CONCAP_OPMODE_DRP) cap->data = TYPEC_PORT_DRD; @@ -938,27 +948,32 @@ static int ucsi_register_port(struct ucsi *ucsi, int index) ret = ucsi_register_port_psy(con); if (ret) - return ret; + goto out; /* Register the connector */ con->port = typec_register_port(ucsi->dev, cap); - if (IS_ERR(con->port)) - return PTR_ERR(con->port); + if (IS_ERR(con->port)) { + ret = PTR_ERR(con->port); + goto out; + } /* Alternate modes */ ret = ucsi_register_altmodes(con, UCSI_RECIPIENT_CON); - if (ret) + if (ret) { dev_err(ucsi->dev, "con%d: failed to register alt modes\n", con->num); + goto out; + } /* Get the status */ command = UCSI_GET_CONNECTOR_STATUS | UCSI_CONNECTOR_NUMBER(con->num); - ret = ucsi_run_command(ucsi, command, &con->status, - sizeof(con->status)); + ret = ucsi_send_command(ucsi, command, &con->status, sizeof(con->status)); if (ret < 0) { dev_err(ucsi->dev, "con%d: failed to get status\n", con->num); - return 0; + ret = 0; + goto out; } + ret = 0; /* ucsi_send_command() returns length on success */ switch (UCSI_CONSTAT_PARTNER_TYPE(con->status.flags)) { case UCSI_CONSTAT_PARTNER_TYPE_UFP: @@ -983,17 +998,21 @@ static int ucsi_register_port(struct ucsi *ucsi, int index) if (con->partner) { ret = ucsi_register_altmodes(con, UCSI_RECIPIENT_SOP); - if (ret) + if (ret) { dev_err(ucsi->dev, "con%d: failed to register alternate modes\n", con->num); - else + ret = 0; + } else { ucsi_altmode_update_active(con); + } } trace_ucsi_register_port(con->num, &con->status); - return 0; +out: + mutex_unlock(&con->lock); + return ret; } /** @@ -1009,8 +1028,6 @@ static int ucsi_init(struct ucsi *ucsi) int ret; int i; - mutex_lock(&ucsi->ppm_lock); - /* Reset the PPM */ ret = ucsi_reset_ppm(ucsi); if (ret) { @@ -1021,13 +1038,13 @@ static int ucsi_init(struct ucsi *ucsi) /* Enable basic notifications */ ucsi->ntfy = UCSI_ENABLE_NTFY_CMD_COMPLETE | UCSI_ENABLE_NTFY_ERROR; command = UCSI_SET_NOTIFICATION_ENABLE | ucsi->ntfy; - ret = ucsi_run_command(ucsi, command, NULL, 0); + ret = ucsi_send_command(ucsi, command, NULL, 0); if (ret < 0) goto err_reset; /* Get PPM capabilities */ command = UCSI_GET_CAPABILITY; - ret = ucsi_run_command(ucsi, command, &ucsi->cap, sizeof(ucsi->cap)); + ret = ucsi_send_command(ucsi, command, &ucsi->cap, sizeof(ucsi->cap)); if (ret < 0) goto err_reset; @@ -1054,12 +1071,10 @@ static int ucsi_init(struct ucsi *ucsi) /* Enable all notifications */ ucsi->ntfy = UCSI_ENABLE_NTFY_ALL; command = UCSI_SET_NOTIFICATION_ENABLE | ucsi->ntfy; - ret = ucsi_run_command(ucsi, command, NULL, 0); + ret = ucsi_send_command(ucsi, command, NULL, 0); if (ret < 0) goto err_unregister; - mutex_unlock(&ucsi->ppm_lock); - return 0; err_unregister: @@ -1074,8 +1089,6 @@ err_unregister: err_reset: ucsi_reset_ppm(ucsi); err: - mutex_unlock(&ucsi->ppm_lock); - return ret; } diff --git a/drivers/usb/typec/ucsi/ucsi_acpi.c b/drivers/usb/typec/ucsi/ucsi_acpi.c index 9fc4f338e8700e..fbfe8f5933af8f 100644 --- a/drivers/usb/typec/ucsi/ucsi_acpi.c +++ b/drivers/usb/typec/ucsi/ucsi_acpi.c @@ -78,7 +78,7 @@ static int ucsi_acpi_sync_write(struct ucsi *ucsi, unsigned int offset, if (ret) goto out_clear_bit; - if (!wait_for_completion_timeout(&ua->complete, msecs_to_jiffies(5000))) + if (!wait_for_completion_timeout(&ua->complete, 60 * HZ)) ret = -ETIMEDOUT; out_clear_bit: @@ -112,11 +112,15 @@ static void ucsi_acpi_notify(acpi_handle handle, u32 event, void *data) static int ucsi_acpi_probe(struct platform_device *pdev) { + struct acpi_device *adev = ACPI_COMPANION(&pdev->dev); struct ucsi_acpi *ua; struct resource *res; acpi_status status; int ret; + if (adev->dep_unmet) + return -EPROBE_DEFER; + ua = devm_kzalloc(&pdev->dev, sizeof(*ua), GFP_KERNEL); if (!ua) return -ENOMEM; diff --git a/drivers/vdpa/Kconfig b/drivers/vdpa/Kconfig index 4271c408103e36..d7d32b65610218 100644 --- a/drivers/vdpa/Kconfig +++ b/drivers/vdpa/Kconfig @@ -30,9 +30,7 @@ config IFCVF be called ifcvf. config MLX5_VDPA - bool "MLX5 VDPA support library for ConnectX devices" - depends on MLX5_CORE - default n + bool help Support library for Mellanox VDPA drivers. Provides code that is common for all types of VDPA drivers. The following drivers are planned: @@ -40,7 +38,8 @@ config MLX5_VDPA config MLX5_VDPA_NET tristate "vDPA driver for ConnectX devices" - depends on MLX5_VDPA + select MLX5_VDPA + depends on MLX5_CORE default n help VDPA network driver for ConnectX6 and newer. Provides offloading diff --git a/drivers/vdpa/ifcvf/ifcvf_base.h b/drivers/vdpa/ifcvf/ifcvf_base.h index 08f267a2aafec9..64696d63fe0770 100644 --- a/drivers/vdpa/ifcvf/ifcvf_base.h +++ b/drivers/vdpa/ifcvf/ifcvf_base.h @@ -84,7 +84,7 @@ struct ifcvf_hw { void __iomem * const *base; char config_msix_name[256]; struct vdpa_callback config_cb; - + unsigned int config_irq; }; struct ifcvf_adapter { diff --git a/drivers/vdpa/ifcvf/ifcvf_main.c b/drivers/vdpa/ifcvf/ifcvf_main.c index 076d7ac5e723f9..8b4028556cb66e 100644 --- a/drivers/vdpa/ifcvf/ifcvf_main.c +++ b/drivers/vdpa/ifcvf/ifcvf_main.c @@ -55,6 +55,7 @@ static void ifcvf_free_irq(struct ifcvf_adapter *adapter, int queues) vf->vring[i].irq = -EINVAL; } + devm_free_irq(&pdev->dev, vf->config_irq, vf); ifcvf_free_irq_vectors(pdev); } @@ -74,10 +75,14 @@ static int ifcvf_request_irq(struct ifcvf_adapter *adapter) snprintf(vf->config_msix_name, 256, "ifcvf[%s]-config\n", pci_name(pdev)); vector = 0; - irq = pci_irq_vector(pdev, vector); - ret = devm_request_irq(&pdev->dev, irq, + vf->config_irq = pci_irq_vector(pdev, vector); + ret = devm_request_irq(&pdev->dev, vf->config_irq, ifcvf_config_changed, 0, vf->config_msix_name, vf); + if (ret) { + IFCVF_ERR(pdev, "Failed to request config irq\n"); + return ret; + } for (i = 0; i < IFCVF_MAX_QUEUE_PAIRS * 2; i++) { snprintf(vf->vring[i].msix_name, 256, "ifcvf[%s]-%d\n", diff --git a/drivers/vdpa/mlx5/net/mlx5_vnet.c b/drivers/vdpa/mlx5/net/mlx5_vnet.c index 9df69d5efe8c7f..74264e59069517 100644 --- a/drivers/vdpa/mlx5/net/mlx5_vnet.c +++ b/drivers/vdpa/mlx5/net/mlx5_vnet.c @@ -16,19 +16,19 @@ #define to_mvdev(__vdev) container_of((__vdev), struct mlx5_vdpa_dev, vdev) #define VALID_FEATURES_MASK \ - (BIT(VIRTIO_NET_F_CSUM) | BIT(VIRTIO_NET_F_GUEST_CSUM) | \ - BIT(VIRTIO_NET_F_CTRL_GUEST_OFFLOADS) | BIT(VIRTIO_NET_F_MTU) | BIT(VIRTIO_NET_F_MAC) | \ - BIT(VIRTIO_NET_F_GUEST_TSO4) | BIT(VIRTIO_NET_F_GUEST_TSO6) | \ - BIT(VIRTIO_NET_F_GUEST_ECN) | BIT(VIRTIO_NET_F_GUEST_UFO) | BIT(VIRTIO_NET_F_HOST_TSO4) | \ - BIT(VIRTIO_NET_F_HOST_TSO6) | BIT(VIRTIO_NET_F_HOST_ECN) | BIT(VIRTIO_NET_F_HOST_UFO) | \ - BIT(VIRTIO_NET_F_MRG_RXBUF) | BIT(VIRTIO_NET_F_STATUS) | BIT(VIRTIO_NET_F_CTRL_VQ) | \ - BIT(VIRTIO_NET_F_CTRL_RX) | BIT(VIRTIO_NET_F_CTRL_VLAN) | \ - BIT(VIRTIO_NET_F_CTRL_RX_EXTRA) | BIT(VIRTIO_NET_F_GUEST_ANNOUNCE) | \ - BIT(VIRTIO_NET_F_MQ) | BIT(VIRTIO_NET_F_CTRL_MAC_ADDR) | BIT(VIRTIO_NET_F_HASH_REPORT) | \ - BIT(VIRTIO_NET_F_RSS) | BIT(VIRTIO_NET_F_RSC_EXT) | BIT(VIRTIO_NET_F_STANDBY) | \ - BIT(VIRTIO_NET_F_SPEED_DUPLEX) | BIT(VIRTIO_F_NOTIFY_ON_EMPTY) | \ - BIT(VIRTIO_F_ANY_LAYOUT) | BIT(VIRTIO_F_VERSION_1) | BIT(VIRTIO_F_ACCESS_PLATFORM) | \ - BIT(VIRTIO_F_RING_PACKED) | BIT(VIRTIO_F_ORDER_PLATFORM) | BIT(VIRTIO_F_SR_IOV)) + (BIT_ULL(VIRTIO_NET_F_CSUM) | BIT_ULL(VIRTIO_NET_F_GUEST_CSUM) | \ + BIT_ULL(VIRTIO_NET_F_CTRL_GUEST_OFFLOADS) | BIT_ULL(VIRTIO_NET_F_MTU) | BIT_ULL(VIRTIO_NET_F_MAC) | \ + BIT_ULL(VIRTIO_NET_F_GUEST_TSO4) | BIT_ULL(VIRTIO_NET_F_GUEST_TSO6) | \ + BIT_ULL(VIRTIO_NET_F_GUEST_ECN) | BIT_ULL(VIRTIO_NET_F_GUEST_UFO) | BIT_ULL(VIRTIO_NET_F_HOST_TSO4) | \ + BIT_ULL(VIRTIO_NET_F_HOST_TSO6) | BIT_ULL(VIRTIO_NET_F_HOST_ECN) | BIT_ULL(VIRTIO_NET_F_HOST_UFO) | \ + BIT_ULL(VIRTIO_NET_F_MRG_RXBUF) | BIT_ULL(VIRTIO_NET_F_STATUS) | BIT_ULL(VIRTIO_NET_F_CTRL_VQ) | \ + BIT_ULL(VIRTIO_NET_F_CTRL_RX) | BIT_ULL(VIRTIO_NET_F_CTRL_VLAN) | \ + BIT_ULL(VIRTIO_NET_F_CTRL_RX_EXTRA) | BIT_ULL(VIRTIO_NET_F_GUEST_ANNOUNCE) | \ + BIT_ULL(VIRTIO_NET_F_MQ) | BIT_ULL(VIRTIO_NET_F_CTRL_MAC_ADDR) | BIT_ULL(VIRTIO_NET_F_HASH_REPORT) | \ + BIT_ULL(VIRTIO_NET_F_RSS) | BIT_ULL(VIRTIO_NET_F_RSC_EXT) | BIT_ULL(VIRTIO_NET_F_STANDBY) | \ + BIT_ULL(VIRTIO_NET_F_SPEED_DUPLEX) | BIT_ULL(VIRTIO_F_NOTIFY_ON_EMPTY) | \ + BIT_ULL(VIRTIO_F_ANY_LAYOUT) | BIT_ULL(VIRTIO_F_VERSION_1) | BIT_ULL(VIRTIO_F_ACCESS_PLATFORM) | \ + BIT_ULL(VIRTIO_F_RING_PACKED) | BIT_ULL(VIRTIO_F_ORDER_PLATFORM) | BIT_ULL(VIRTIO_F_SR_IOV)) #define VALID_STATUS_MASK \ (VIRTIO_CONFIG_S_ACKNOWLEDGE | VIRTIO_CONFIG_S_DRIVER | VIRTIO_CONFIG_S_DRIVER_OK | \ @@ -149,7 +149,7 @@ static bool mlx5_vdpa_debug; #define MLX5_LOG_VIO_FLAG(_feature) \ do { \ - if (features & BIT(_feature)) \ + if (features & BIT_ULL(_feature)) \ mlx5_vdpa_info(mvdev, "%s\n", #_feature); \ } while (0) @@ -750,10 +750,10 @@ static bool vq_is_tx(u16 idx) static u16 get_features_12_3(u64 features) { - return (!!(features & BIT(VIRTIO_NET_F_HOST_TSO4)) << 9) | - (!!(features & BIT(VIRTIO_NET_F_HOST_TSO6)) << 8) | - (!!(features & BIT(VIRTIO_NET_F_CSUM)) << 7) | - (!!(features & BIT(VIRTIO_NET_F_GUEST_CSUM)) << 6); + return (!!(features & BIT_ULL(VIRTIO_NET_F_HOST_TSO4)) << 9) | + (!!(features & BIT_ULL(VIRTIO_NET_F_HOST_TSO6)) << 8) | + (!!(features & BIT_ULL(VIRTIO_NET_F_CSUM)) << 7) | + (!!(features & BIT_ULL(VIRTIO_NET_F_GUEST_CSUM)) << 6); } static int create_virtqueue(struct mlx5_vdpa_net *ndev, struct mlx5_vdpa_virtqueue *mvq) @@ -1133,15 +1133,17 @@ static void suspend_vq(struct mlx5_vdpa_net *ndev, struct mlx5_vdpa_virtqueue *m if (!mvq->initialized) return; - if (query_virtqueue(ndev, mvq, &attr)) { - mlx5_vdpa_warn(&ndev->mvdev, "failed to query virtqueue\n"); - return; - } if (mvq->fw_state != MLX5_VIRTIO_NET_Q_OBJECT_STATE_RDY) return; if (modify_virtqueue(ndev, mvq, MLX5_VIRTIO_NET_Q_OBJECT_STATE_SUSPEND)) mlx5_vdpa_warn(&ndev->mvdev, "modify to suspend failed\n"); + + if (query_virtqueue(ndev, mvq, &attr)) { + mlx5_vdpa_warn(&ndev->mvdev, "failed to query virtqueue\n"); + return; + } + mvq->avail_idx = attr.available_index; } static void suspend_vqs(struct mlx5_vdpa_net *ndev) @@ -1411,8 +1413,14 @@ static int mlx5_vdpa_get_vq_state(struct vdpa_device *vdev, u16 idx, struct vdpa struct mlx5_virtq_attr attr; int err; - if (!mvq->initialized) - return -EAGAIN; + /* If the virtq object was destroyed, use the value saved at + * the last minute of suspend_vq. This caters for userspace + * that cares about emulating the index after vq is stopped. + */ + if (!mvq->initialized) { + state->avail_index = mvq->avail_idx; + return 0; + } err = query_virtqueue(ndev, mvq, &attr); if (err) { @@ -1439,13 +1447,13 @@ static u64 mlx_to_vritio_features(u16 dev_features) u64 result = 0; if (dev_features & MLX5_VIRTIO_NET_F_GUEST_CSUM) - result |= BIT(VIRTIO_NET_F_GUEST_CSUM); + result |= BIT_ULL(VIRTIO_NET_F_GUEST_CSUM); if (dev_features & MLX5_VIRTIO_NET_F_CSUM) - result |= BIT(VIRTIO_NET_F_CSUM); + result |= BIT_ULL(VIRTIO_NET_F_CSUM); if (dev_features & MLX5_VIRTIO_NET_F_HOST_TSO6) - result |= BIT(VIRTIO_NET_F_HOST_TSO6); + result |= BIT_ULL(VIRTIO_NET_F_HOST_TSO6); if (dev_features & MLX5_VIRTIO_NET_F_HOST_TSO4) - result |= BIT(VIRTIO_NET_F_HOST_TSO4); + result |= BIT_ULL(VIRTIO_NET_F_HOST_TSO4); return result; } @@ -1459,15 +1467,15 @@ static u64 mlx5_vdpa_get_features(struct vdpa_device *vdev) dev_features = MLX5_CAP_DEV_VDPA_EMULATION(mvdev->mdev, device_features_bits_mask); ndev->mvdev.mlx_features = mlx_to_vritio_features(dev_features); if (MLX5_CAP_DEV_VDPA_EMULATION(mvdev->mdev, virtio_version_1_0)) - ndev->mvdev.mlx_features |= BIT(VIRTIO_F_VERSION_1); - ndev->mvdev.mlx_features |= BIT(VIRTIO_F_ACCESS_PLATFORM); + ndev->mvdev.mlx_features |= BIT_ULL(VIRTIO_F_VERSION_1); + ndev->mvdev.mlx_features |= BIT_ULL(VIRTIO_F_ACCESS_PLATFORM); print_features(mvdev, ndev->mvdev.mlx_features, false); return ndev->mvdev.mlx_features; } static int verify_min_features(struct mlx5_vdpa_dev *mvdev, u64 features) { - if (!(features & BIT(VIRTIO_F_ACCESS_PLATFORM))) + if (!(features & BIT_ULL(VIRTIO_F_ACCESS_PLATFORM))) return -EOPNOTSUPP; return 0; diff --git a/drivers/vfio/pci/vfio_pci.c b/drivers/vfio/pci/vfio_pci.c index 620465c2a1da45..1ab1f5cda4ac27 100644 --- a/drivers/vfio/pci/vfio_pci.c +++ b/drivers/vfio/pci/vfio_pci.c @@ -990,7 +990,7 @@ static long vfio_pci_ioctl(void *device_data, case VFIO_PCI_ERR_IRQ_INDEX: if (pci_is_pcie(vdev->pdev)) break; - /* fall through */ + fallthrough; default: return -EINVAL; } diff --git a/drivers/vfio/vfio_iommu_type1.c b/drivers/vfio/vfio_iommu_type1.c index c992973cc2d5fa..5fbf0c1f743380 100644 --- a/drivers/vfio/vfio_iommu_type1.c +++ b/drivers/vfio/vfio_iommu_type1.c @@ -2439,7 +2439,7 @@ static void *vfio_iommu_type1_open(unsigned long arg) break; case VFIO_TYPE1_NESTING_IOMMU: iommu->nesting = true; - /* fall through */ + fallthrough; case VFIO_TYPE1v2_IOMMU: iommu->v2 = true; break; diff --git a/drivers/vhost/iotlb.c b/drivers/vhost/iotlb.c index 1f0ca6e44410ac..0fd3f87e913c7f 100644 --- a/drivers/vhost/iotlb.c +++ b/drivers/vhost/iotlb.c @@ -149,7 +149,7 @@ EXPORT_SYMBOL_GPL(vhost_iotlb_free); * vhost_iotlb_itree_first - return the first overlapped range * @iotlb: the IOTLB * @start: start of IOVA range - * @end: end of IOVA range + * @last: last byte in IOVA range */ struct vhost_iotlb_map * vhost_iotlb_itree_first(struct vhost_iotlb *iotlb, u64 start, u64 last) @@ -159,10 +159,10 @@ vhost_iotlb_itree_first(struct vhost_iotlb *iotlb, u64 start, u64 last) EXPORT_SYMBOL_GPL(vhost_iotlb_itree_first); /** - * vhost_iotlb_itree_first - return the next overlapped range - * @iotlb: the IOTLB + * vhost_iotlb_itree_next - return the next overlapped range + * @map: the starting map node * @start: start of IOVA range - * @end: end of IOVA range + * @last: last byte IOVA range */ struct vhost_iotlb_map * vhost_iotlb_itree_next(struct vhost_iotlb_map *map, u64 start, u64 last) diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c index 3fab94f8889443..62a9bb0efc5589 100644 --- a/drivers/vhost/vdpa.c +++ b/drivers/vhost/vdpa.c @@ -353,8 +353,6 @@ static long vhost_vdpa_vring_ioctl(struct vhost_vdpa *v, unsigned int cmd, struct vdpa_callback cb; struct vhost_virtqueue *vq; struct vhost_vring_state s; - u64 __user *featurep = argp; - u64 features; u32 idx; long r; @@ -381,18 +379,6 @@ static long vhost_vdpa_vring_ioctl(struct vhost_vdpa *v, unsigned int cmd, vq->last_avail_idx = vq_state.avail_index; break; - case VHOST_GET_BACKEND_FEATURES: - features = VHOST_VDPA_BACKEND_FEATURES; - if (copy_to_user(featurep, &features, sizeof(features))) - return -EFAULT; - return 0; - case VHOST_SET_BACKEND_FEATURES: - if (copy_from_user(&features, featurep, sizeof(features))) - return -EFAULT; - if (features & ~VHOST_VDPA_BACKEND_FEATURES) - return -EOPNOTSUPP; - vhost_set_backend_features(&v->vdev, features); - return 0; } r = vhost_vring_ioctl(&v->vdev, cmd, argp); @@ -440,8 +426,20 @@ static long vhost_vdpa_unlocked_ioctl(struct file *filep, struct vhost_vdpa *v = filep->private_data; struct vhost_dev *d = &v->vdev; void __user *argp = (void __user *)arg; + u64 __user *featurep = argp; + u64 features; long r; + if (cmd == VHOST_SET_BACKEND_FEATURES) { + r = copy_from_user(&features, featurep, sizeof(features)); + if (r) + return r; + if (features & ~VHOST_VDPA_BACKEND_FEATURES) + return -EOPNOTSUPP; + vhost_set_backend_features(&v->vdev, features); + return 0; + } + mutex_lock(&d->mutex); switch (cmd) { @@ -476,6 +474,10 @@ static long vhost_vdpa_unlocked_ioctl(struct file *filep, case VHOST_VDPA_SET_CONFIG_CALL: r = vhost_vdpa_set_config_call(v, argp); break; + case VHOST_GET_BACKEND_FEATURES: + features = VHOST_VDPA_BACKEND_FEATURES; + r = copy_to_user(featurep, &features, sizeof(features)); + break; default: r = vhost_dev_ioctl(&v->vdev, cmd, argp); if (r == -ENOIOCTLCMD) @@ -563,6 +565,9 @@ static int vhost_vdpa_map(struct vhost_vdpa *v, perm_to_iommu_flags(perm)); } + if (r) + vhost_iotlb_del_range(dev->iotlb, iova, iova + size - 1); + return r; } @@ -590,21 +595,19 @@ static int vhost_vdpa_process_iotlb_update(struct vhost_vdpa *v, struct vhost_dev *dev = &v->vdev; struct vhost_iotlb *iotlb = dev->iotlb; struct page **page_list; - unsigned long list_size = PAGE_SIZE / sizeof(struct page *); + struct vm_area_struct **vmas; unsigned int gup_flags = FOLL_LONGTERM; - unsigned long npages, cur_base, map_pfn, last_pfn = 0; - unsigned long locked, lock_limit, pinned, i; + unsigned long map_pfn, last_pfn = 0; + unsigned long npages, lock_limit; + unsigned long i, nmap = 0; u64 iova = msg->iova; + long pinned; int ret = 0; if (vhost_iotlb_itree_first(iotlb, msg->iova, msg->iova + msg->size - 1)) return -EEXIST; - page_list = (struct page **) __get_free_page(GFP_KERNEL); - if (!page_list) - return -ENOMEM; - if (msg->perm & VHOST_ACCESS_WO) gup_flags |= FOLL_WRITE; @@ -612,61 +615,86 @@ static int vhost_vdpa_process_iotlb_update(struct vhost_vdpa *v, if (!npages) return -EINVAL; + page_list = kvmalloc_array(npages, sizeof(struct page *), GFP_KERNEL); + vmas = kvmalloc_array(npages, sizeof(struct vm_area_struct *), + GFP_KERNEL); + if (!page_list || !vmas) { + ret = -ENOMEM; + goto free; + } + mmap_read_lock(dev->mm); - locked = atomic64_add_return(npages, &dev->mm->pinned_vm); lock_limit = rlimit(RLIMIT_MEMLOCK) >> PAGE_SHIFT; - - if (locked > lock_limit) { + if (npages + atomic64_read(&dev->mm->pinned_vm) > lock_limit) { ret = -ENOMEM; - goto out; + goto unlock; } - cur_base = msg->uaddr & PAGE_MASK; - iova &= PAGE_MASK; + pinned = pin_user_pages(msg->uaddr & PAGE_MASK, npages, gup_flags, + page_list, vmas); + if (npages != pinned) { + if (pinned < 0) { + ret = pinned; + } else { + unpin_user_pages(page_list, pinned); + ret = -ENOMEM; + } + goto unlock; + } - while (npages) { - pinned = min_t(unsigned long, npages, list_size); - ret = pin_user_pages(cur_base, pinned, - gup_flags, page_list, NULL); - if (ret != pinned) - goto out; - - if (!last_pfn) - map_pfn = page_to_pfn(page_list[0]); - - for (i = 0; i < ret; i++) { - unsigned long this_pfn = page_to_pfn(page_list[i]); - u64 csize; - - if (last_pfn && (this_pfn != last_pfn + 1)) { - /* Pin a contiguous chunk of memory */ - csize = (last_pfn - map_pfn + 1) << PAGE_SHIFT; - if (vhost_vdpa_map(v, iova, csize, - map_pfn << PAGE_SHIFT, - msg->perm)) - goto out; - map_pfn = this_pfn; - iova += csize; + iova &= PAGE_MASK; + map_pfn = page_to_pfn(page_list[0]); + + /* One more iteration to avoid extra vdpa_map() call out of loop. */ + for (i = 0; i <= npages; i++) { + unsigned long this_pfn; + u64 csize; + + /* The last chunk may have no valid PFN next to it */ + this_pfn = i < npages ? page_to_pfn(page_list[i]) : -1UL; + + if (last_pfn && (this_pfn == -1UL || + this_pfn != last_pfn + 1)) { + /* Pin a contiguous chunk of memory */ + csize = last_pfn - map_pfn + 1; + ret = vhost_vdpa_map(v, iova, csize << PAGE_SHIFT, + map_pfn << PAGE_SHIFT, + msg->perm); + if (ret) { + /* + * Unpin the rest chunks of memory on the + * flight with no corresponding vdpa_map() + * calls having been made yet. On the other + * hand, vdpa_unmap() in the failure path + * is in charge of accounting the number of + * pinned pages for its own. + * This asymmetrical pattern of accounting + * is for efficiency to pin all pages at + * once, while there is no other callsite + * of vdpa_map() than here above. + */ + unpin_user_pages(&page_list[nmap], + npages - nmap); + goto out; } - - last_pfn = this_pfn; + atomic64_add(csize, &dev->mm->pinned_vm); + nmap += csize; + iova += csize << PAGE_SHIFT; + map_pfn = this_pfn; } - - cur_base += ret << PAGE_SHIFT; - npages -= ret; + last_pfn = this_pfn; } - /* Pin the rest chunk */ - ret = vhost_vdpa_map(v, iova, (last_pfn - map_pfn + 1) << PAGE_SHIFT, - map_pfn << PAGE_SHIFT, msg->perm); + WARN_ON(nmap != npages); out: - if (ret) { + if (ret) vhost_vdpa_unmap(v, msg->iova, msg->size); - atomic64_sub(npages, &dev->mm->pinned_vm); - } +unlock: mmap_read_unlock(dev->mm); - free_page((unsigned long)page_list); +free: + kvfree(vmas); + kvfree(page_list); return ret; } @@ -808,6 +836,7 @@ static int vhost_vdpa_open(struct inode *inode, struct file *filep) err_init_iotlb: vhost_dev_cleanup(&v->vdev); + kfree(vqs); err: atomic_dec(&v->opened); return r; diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c index 5857d4eec9d73f..9ad45e1d27f0f0 100644 --- a/drivers/vhost/vhost.c +++ b/drivers/vhost/vhost.c @@ -1290,6 +1290,11 @@ static bool vq_access_ok(struct vhost_virtqueue *vq, unsigned int num, vring_used_t __user *used) { + /* If an IOTLB device is present, the vring addresses are + * GIOVAs. Access validation occurs at prefetch time. */ + if (vq->iotlb) + return true; + return access_ok(desc, vhost_get_desc_size(vq, num)) && access_ok(avail, vhost_get_avail_size(vq, num)) && access_ok(used, vhost_get_used_size(vq, num)); @@ -1365,6 +1370,20 @@ bool vhost_log_access_ok(struct vhost_dev *dev) } EXPORT_SYMBOL_GPL(vhost_log_access_ok); +static bool vq_log_used_access_ok(struct vhost_virtqueue *vq, + void __user *log_base, + bool log_used, + u64 log_addr) +{ + /* If an IOTLB device is present, log_addr is a GIOVA that + * will never be logged by log_used(). */ + if (vq->iotlb) + return true; + + return !log_used || log_access_ok(log_base, log_addr, + vhost_get_used_size(vq, vq->num)); +} + /* Verify access for write logging. */ /* Caller should have vq mutex and device mutex */ static bool vq_log_access_ok(struct vhost_virtqueue *vq, @@ -1372,8 +1391,7 @@ static bool vq_log_access_ok(struct vhost_virtqueue *vq, { return vq_memory_access_ok(log_base, vq->umem, vhost_has_feature(vq, VHOST_F_LOG_ALL)) && - (!vq->log_used || log_access_ok(log_base, vq->log_addr, - vhost_get_used_size(vq, vq->num))); + vq_log_used_access_ok(vq, log_base, vq->log_used, vq->log_addr); } /* Can we start vq? */ @@ -1383,10 +1401,6 @@ bool vhost_vq_access_ok(struct vhost_virtqueue *vq) if (!vq_log_access_ok(vq, vq->log_base)) return false; - /* Access validation occurs at prefetch time with IOTLB */ - if (vq->iotlb) - return true; - return vq_access_ok(vq, vq->num, vq->desc, vq->avail, vq->used); } EXPORT_SYMBOL_GPL(vhost_vq_access_ok); @@ -1516,10 +1530,9 @@ static long vhost_vring_set_addr(struct vhost_dev *d, return -EINVAL; /* Also validate log access for used ring if enabled. */ - if ((a.flags & (0x1 << VHOST_VRING_F_LOG)) && - !log_access_ok(vq->log_base, a.log_guest_addr, - sizeof *vq->used + - vq->num * sizeof *vq->used->ring)) + if (!vq_log_used_access_ok(vq, vq->log_base, + a.flags & (0x1 << VHOST_VRING_F_LOG), + a.log_guest_addr)) return -EINVAL; } @@ -2537,7 +2550,7 @@ void vhost_disable_notify(struct vhost_dev *dev, struct vhost_virtqueue *vq) if (!vhost_has_feature(vq, VIRTIO_RING_F_EVENT_IDX)) { r = vhost_update_used_flags(vq); if (r) - vq_err(vq, "Failed to enable notification at %p: %d\n", + vq_err(vq, "Failed to disable notification at %p: %d\n", &vq->used->flags, r); } } diff --git a/drivers/video/backlight/adp8860_bl.c b/drivers/video/backlight/adp8860_bl.c index ddc7f5f0401fdc..8ec19425671fb9 100644 --- a/drivers/video/backlight/adp8860_bl.c +++ b/drivers/video/backlight/adp8860_bl.c @@ -681,7 +681,7 @@ static int adp8860_probe(struct i2c_client *client, switch (ADP8860_MANID(reg_val)) { case ADP8863_MANUFID: data->gdwn_dis = !!pdata->gdwn_dis; - /* fall through */ + fallthrough; case ADP8860_MANUFID: data->en_ambl_sens = !!pdata->en_ambl_sens; break; diff --git a/drivers/video/console/Kconfig b/drivers/video/console/Kconfig index 5e850cc9f891d0..39deb22a418073 100644 --- a/drivers/video/console/Kconfig +++ b/drivers/video/console/Kconfig @@ -22,52 +22,6 @@ config VGA_CONSOLE Say Y. -config VGACON_SOFT_SCROLLBACK - bool "Enable Scrollback Buffer in System RAM" - depends on VGA_CONSOLE - default n - help - The scrollback buffer of the standard VGA console is located in - the VGA RAM. The size of this RAM is fixed and is quite small. - If you require a larger scrollback buffer, this can be placed in - System RAM which is dynamically allocated during initialization. - Placing the scrollback buffer in System RAM will slightly slow - down the console. - - If you want this feature, say 'Y' here and enter the amount of - RAM to allocate for this buffer. If unsure, say 'N'. - -config VGACON_SOFT_SCROLLBACK_SIZE - int "Scrollback Buffer Size (in KB)" - depends on VGACON_SOFT_SCROLLBACK - range 1 1024 - default "64" - help - Enter the amount of System RAM to allocate for scrollback - buffers of VGA consoles. Each 64KB will give you approximately - 16 80x25 screenfuls of scrollback buffer. - -config VGACON_SOFT_SCROLLBACK_PERSISTENT_ENABLE_BY_DEFAULT - bool "Persistent Scrollback History for each console by default" - depends on VGACON_SOFT_SCROLLBACK - default n - help - Say Y here if the scrollback history should persist by default when - switching between consoles. Otherwise, the scrollback history will be - flushed each time the console is switched. This feature can also be - enabled using the boot command line parameter - 'vgacon.scrollback_persistent=1'. - - This feature might break your tool of choice to flush the scrollback - buffer, e.g. clear(1) will work fine but Debian's clear_console(1) - will be broken, which might cause security issues. - You can use the escape sequence \e[3J instead if this feature is - activated. - - Note that a buffer of VGACON_SOFT_SCROLLBACK_SIZE is taken for each - created tty device. - So if you use a RAM-constrained system, say N here. - config MDA_CONSOLE depends on !M68K && !PARISC && ISA tristate "MDA text console (dual-headed)" diff --git a/drivers/video/console/newport_con.c b/drivers/video/console/newport_con.c index 72f146d047d93f..cd51b7a17a2154 100644 --- a/drivers/video/console/newport_con.c +++ b/drivers/video/console/newport_con.c @@ -35,12 +35,6 @@ #define FONT_DATA ((unsigned char *)font_vga_8x16.data) -/* borrowed from fbcon.c */ -#define REFCOUNT(fd) (((int *)(fd))[-1]) -#define FNTSIZE(fd) (((int *)(fd))[-2]) -#define FNTCHARCNT(fd) (((int *)(fd))[-3]) -#define FONT_EXTRA_WORDS 3 - static unsigned char *font_data[MAX_NR_CONSOLES]; static struct newport_regs *npregs; @@ -522,6 +516,7 @@ static int newport_set_font(int unit, struct console_font *op) FNTSIZE(new_data) = size; FNTCHARCNT(new_data) = op->charcount; REFCOUNT(new_data) = 0; /* usage counter */ + FNTSUM(new_data) = 0; p = new_data; for (i = 0; i < op->charcount; i++) { diff --git a/drivers/video/console/vgacon.c b/drivers/video/console/vgacon.c index a52bb374007342..17876f0179b577 100644 --- a/drivers/video/console/vgacon.c +++ b/drivers/video/console/vgacon.c @@ -165,214 +165,6 @@ static inline void vga_set_mem_top(struct vc_data *c) write_vga(12, (c->vc_visible_origin - vga_vram_base) / 2); } -#ifdef CONFIG_VGACON_SOFT_SCROLLBACK -/* software scrollback */ -struct vgacon_scrollback_info { - void *data; - int tail; - int size; - int rows; - int cnt; - int cur; - int save; - int restore; -}; - -static struct vgacon_scrollback_info *vgacon_scrollback_cur; -static struct vgacon_scrollback_info vgacon_scrollbacks[MAX_NR_CONSOLES]; -static bool scrollback_persistent = \ - IS_ENABLED(CONFIG_VGACON_SOFT_SCROLLBACK_PERSISTENT_ENABLE_BY_DEFAULT); -module_param_named(scrollback_persistent, scrollback_persistent, bool, 0000); -MODULE_PARM_DESC(scrollback_persistent, "Enable persistent scrollback for all vga consoles"); - -static void vgacon_scrollback_reset(int vc_num, size_t reset_size) -{ - struct vgacon_scrollback_info *scrollback = &vgacon_scrollbacks[vc_num]; - - if (scrollback->data && reset_size > 0) - memset(scrollback->data, 0, reset_size); - - scrollback->cnt = 0; - scrollback->tail = 0; - scrollback->cur = 0; -} - -static void vgacon_scrollback_init(int vc_num) -{ - int pitch = vga_video_num_columns * 2; - size_t size = CONFIG_VGACON_SOFT_SCROLLBACK_SIZE * 1024; - int rows = size / pitch; - void *data; - - data = kmalloc_array(CONFIG_VGACON_SOFT_SCROLLBACK_SIZE, 1024, - GFP_NOWAIT); - - vgacon_scrollbacks[vc_num].data = data; - vgacon_scrollback_cur = &vgacon_scrollbacks[vc_num]; - - vgacon_scrollback_cur->rows = rows - 1; - vgacon_scrollback_cur->size = rows * pitch; - - vgacon_scrollback_reset(vc_num, size); -} - -static void vgacon_scrollback_switch(int vc_num) -{ - if (!scrollback_persistent) - vc_num = 0; - - if (!vgacon_scrollbacks[vc_num].data) { - vgacon_scrollback_init(vc_num); - } else { - if (scrollback_persistent) { - vgacon_scrollback_cur = &vgacon_scrollbacks[vc_num]; - } else { - size_t size = CONFIG_VGACON_SOFT_SCROLLBACK_SIZE * 1024; - - vgacon_scrollback_reset(vc_num, size); - } - } -} - -static void vgacon_scrollback_startup(void) -{ - vgacon_scrollback_cur = &vgacon_scrollbacks[0]; - vgacon_scrollback_init(0); -} - -static void vgacon_scrollback_update(struct vc_data *c, int t, int count) -{ - void *p; - - if (!vgacon_scrollback_cur->data || !vgacon_scrollback_cur->size || - c->vc_num != fg_console) - return; - - p = (void *) (c->vc_origin + t * c->vc_size_row); - - while (count--) { - if ((vgacon_scrollback_cur->tail + c->vc_size_row) > - vgacon_scrollback_cur->size) - vgacon_scrollback_cur->tail = 0; - - scr_memcpyw(vgacon_scrollback_cur->data + - vgacon_scrollback_cur->tail, - p, c->vc_size_row); - - vgacon_scrollback_cur->cnt++; - p += c->vc_size_row; - vgacon_scrollback_cur->tail += c->vc_size_row; - - if (vgacon_scrollback_cur->tail >= vgacon_scrollback_cur->size) - vgacon_scrollback_cur->tail = 0; - - if (vgacon_scrollback_cur->cnt > vgacon_scrollback_cur->rows) - vgacon_scrollback_cur->cnt = vgacon_scrollback_cur->rows; - - vgacon_scrollback_cur->cur = vgacon_scrollback_cur->cnt; - } -} - -static void vgacon_restore_screen(struct vc_data *c) -{ - c->vc_origin = c->vc_visible_origin; - vgacon_scrollback_cur->save = 0; - - if (!vga_is_gfx && !vgacon_scrollback_cur->restore) { - scr_memcpyw((u16 *) c->vc_origin, (u16 *) c->vc_screenbuf, - c->vc_screenbuf_size > vga_vram_size ? - vga_vram_size : c->vc_screenbuf_size); - vgacon_scrollback_cur->restore = 1; - vgacon_scrollback_cur->cur = vgacon_scrollback_cur->cnt; - } -} - -static void vgacon_scrolldelta(struct vc_data *c, int lines) -{ - int start, end, count, soff; - - if (!lines) { - vgacon_restore_screen(c); - return; - } - - if (!vgacon_scrollback_cur->data) - return; - - if (!vgacon_scrollback_cur->save) { - vgacon_cursor(c, CM_ERASE); - vgacon_save_screen(c); - c->vc_origin = (unsigned long)c->vc_screenbuf; - vgacon_scrollback_cur->save = 1; - } - - vgacon_scrollback_cur->restore = 0; - start = vgacon_scrollback_cur->cur + lines; - end = start + abs(lines); - - if (start < 0) - start = 0; - - if (start > vgacon_scrollback_cur->cnt) - start = vgacon_scrollback_cur->cnt; - - if (end < 0) - end = 0; - - if (end > vgacon_scrollback_cur->cnt) - end = vgacon_scrollback_cur->cnt; - - vgacon_scrollback_cur->cur = start; - count = end - start; - soff = vgacon_scrollback_cur->tail - - ((vgacon_scrollback_cur->cnt - end) * c->vc_size_row); - soff -= count * c->vc_size_row; - - if (soff < 0) - soff += vgacon_scrollback_cur->size; - - count = vgacon_scrollback_cur->cnt - start; - - if (count > c->vc_rows) - count = c->vc_rows; - - if (count) { - int copysize; - - int diff = c->vc_rows - count; - void *d = (void *) c->vc_visible_origin; - void *s = (void *) c->vc_screenbuf; - - count *= c->vc_size_row; - /* how much memory to end of buffer left? */ - copysize = min(count, vgacon_scrollback_cur->size - soff); - scr_memcpyw(d, vgacon_scrollback_cur->data + soff, copysize); - d += copysize; - count -= copysize; - - if (count) { - scr_memcpyw(d, vgacon_scrollback_cur->data, count); - d += count; - } - - if (diff) - scr_memcpyw(d, s, diff * c->vc_size_row); - } else - vgacon_cursor(c, CM_MOVE); -} - -static void vgacon_flush_scrollback(struct vc_data *c) -{ - size_t size = CONFIG_VGACON_SOFT_SCROLLBACK_SIZE * 1024; - - vgacon_scrollback_reset(c->vc_num, size); -} -#else -#define vgacon_scrollback_startup(...) do { } while (0) -#define vgacon_scrollback_init(...) do { } while (0) -#define vgacon_scrollback_update(...) do { } while (0) -#define vgacon_scrollback_switch(...) do { } while (0) - static void vgacon_restore_screen(struct vc_data *c) { if (c->vc_origin != c->vc_visible_origin) @@ -386,11 +178,6 @@ static void vgacon_scrolldelta(struct vc_data *c, int lines) vga_set_mem_top(c); } -static void vgacon_flush_scrollback(struct vc_data *c) -{ -} -#endif /* CONFIG_VGACON_SOFT_SCROLLBACK */ - static const char *vgacon_startup(void) { const char *display_desc = NULL; @@ -573,10 +360,7 @@ static const char *vgacon_startup(void) vgacon_xres = screen_info.orig_video_cols * VGA_FONTWIDTH; vgacon_yres = vga_scan_lines; - if (!vga_init_done) { - vgacon_scrollback_startup(); - vga_init_done = true; - } + vga_init_done = true; return display_desc; } @@ -869,7 +653,6 @@ static int vgacon_switch(struct vc_data *c) vgacon_doresize(c, c->vc_cols, c->vc_rows); } - vgacon_scrollback_switch(c->vc_num); return 0; /* Redrawing not needed */ } @@ -1386,7 +1169,6 @@ static bool vgacon_scroll(struct vc_data *c, unsigned int t, unsigned int b, oldo = c->vc_origin; delta = lines * c->vc_size_row; if (dir == SM_UP) { - vgacon_scrollback_update(c, t, lines); if (c->vc_scr_end + delta >= vga_vram_end) { scr_memcpyw((u16 *) vga_vram_base, (u16 *) (oldo + delta), @@ -1450,7 +1232,6 @@ const struct consw vga_con = { .con_save_screen = vgacon_save_screen, .con_build_attr = vgacon_build_attr, .con_invert_region = vgacon_invert_region, - .con_flush_scrollback = vgacon_flush_scrollback, }; EXPORT_SYMBOL(vga_con); diff --git a/drivers/video/fbdev/Kconfig b/drivers/video/fbdev/Kconfig index b2c9dd4f0cb5eb..402e85450bb5fa 100644 --- a/drivers/video/fbdev/Kconfig +++ b/drivers/video/fbdev/Kconfig @@ -272,6 +272,26 @@ config FB_PM2_FIFO_DISCONNECT help Support the Permedia2 FIFO disconnect feature. +config FB_ARMCLCD + tristate "ARM PrimeCell PL110 support" + depends on ARM || ARM64 || COMPILE_TEST + depends on FB && ARM_AMBA && HAS_IOMEM + select FB_CFB_FILLRECT + select FB_CFB_COPYAREA + select FB_CFB_IMAGEBLIT + select FB_MODE_HELPERS if OF + select VIDEOMODE_HELPERS if OF + select BACKLIGHT_CLASS_DEVICE if OF + help + This framebuffer device driver is for the ARM PrimeCell PL110 + Colour LCD controller. ARM PrimeCells provide the building + blocks for System on a Chip devices. + + If you want to compile this as a module (=code which can be + inserted into and removed from the running kernel), say M + here and read <file:Documentation/kbuild/modules.rst>. The module + will be called amba-clcd. + config FB_ACORN bool "Acorn VIDC support" depends on (FB = y) && ARM && ARCH_ACORN diff --git a/drivers/video/fbdev/Makefile b/drivers/video/fbdev/Makefile index cad4fb64442a18..a0705b99e64320 100644 --- a/drivers/video/fbdev/Makefile +++ b/drivers/video/fbdev/Makefile @@ -75,6 +75,7 @@ obj-$(CONFIG_FB_HIT) += hitfb.o obj-$(CONFIG_FB_ATMEL) += atmel_lcdfb.o obj-$(CONFIG_FB_PVR2) += pvr2fb.o obj-$(CONFIG_FB_VOODOO1) += sstfb.o +obj-$(CONFIG_FB_ARMCLCD) += amba-clcd.o obj-$(CONFIG_FB_GOLDFISH) += goldfishfb.o obj-$(CONFIG_FB_68328) += 68328fb.o obj-$(CONFIG_FB_GBE) += gbefb.o diff --git a/drivers/video/fbdev/acornfb.c b/drivers/video/fbdev/acornfb.c index 09a9ad901dad8c..bcc92aecf66682 100644 --- a/drivers/video/fbdev/acornfb.c +++ b/drivers/video/fbdev/acornfb.c @@ -857,7 +857,7 @@ static void acornfb_parse_dram(char *opt) case 'M': case 'm': size *= 1024; - /* Fall through */ + fallthrough; case 'K': case 'k': size *= 1024; diff --git a/drivers/video/fbdev/amba-clcd.c b/drivers/video/fbdev/amba-clcd.c new file mode 100644 index 00000000000000..b7682de412d83f --- /dev/null +++ b/drivers/video/fbdev/amba-clcd.c @@ -0,0 +1,986 @@ +/* + * linux/drivers/video/amba-clcd.c + * + * Copyright (C) 2001 ARM Limited, by David A Rusling + * Updated to 2.5, Deep Blue Solutions Ltd. + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file COPYING in the main directory of this archive + * for more details. + * + * ARM PrimeCell PL110 Color LCD Controller + */ +#include <linux/amba/bus.h> +#include <linux/amba/clcd.h> +#include <linux/backlight.h> +#include <linux/clk.h> +#include <linux/delay.h> +#include <linux/dma-mapping.h> +#include <linux/fb.h> +#include <linux/init.h> +#include <linux/ioport.h> +#include <linux/list.h> +#include <linux/mm.h> +#include <linux/module.h> +#include <linux/of_address.h> +#include <linux/of_graph.h> +#include <linux/slab.h> +#include <linux/string.h> +#include <video/display_timing.h> +#include <video/of_display_timing.h> +#include <video/videomode.h> + +#define to_clcd(info) container_of(info, struct clcd_fb, fb) + +/* This is limited to 16 characters when displayed by X startup */ +static const char *clcd_name = "CLCD FB"; + +/* + * Unfortunately, the enable/disable functions may be called either from + * process or IRQ context, and we _need_ to delay. This is _not_ good. + */ +static inline void clcdfb_sleep(unsigned int ms) +{ + if (in_atomic()) { + mdelay(ms); + } else { + msleep(ms); + } +} + +static inline void clcdfb_set_start(struct clcd_fb *fb) +{ + unsigned long ustart = fb->fb.fix.smem_start; + unsigned long lstart; + + ustart += fb->fb.var.yoffset * fb->fb.fix.line_length; + lstart = ustart + fb->fb.var.yres * fb->fb.fix.line_length / 2; + + writel(ustart, fb->regs + CLCD_UBAS); + writel(lstart, fb->regs + CLCD_LBAS); +} + +static void clcdfb_disable(struct clcd_fb *fb) +{ + u32 val; + + if (fb->board->disable) + fb->board->disable(fb); + + if (fb->panel->backlight) { + fb->panel->backlight->props.power = FB_BLANK_POWERDOWN; + backlight_update_status(fb->panel->backlight); + } + + val = readl(fb->regs + fb->off_cntl); + if (val & CNTL_LCDPWR) { + val &= ~CNTL_LCDPWR; + writel(val, fb->regs + fb->off_cntl); + + clcdfb_sleep(20); + } + if (val & CNTL_LCDEN) { + val &= ~CNTL_LCDEN; + writel(val, fb->regs + fb->off_cntl); + } + + /* + * Disable CLCD clock source. + */ + if (fb->clk_enabled) { + fb->clk_enabled = false; + clk_disable(fb->clk); + } +} + +static void clcdfb_enable(struct clcd_fb *fb, u32 cntl) +{ + /* + * Enable the CLCD clock source. + */ + if (!fb->clk_enabled) { + fb->clk_enabled = true; + clk_enable(fb->clk); + } + + /* + * Bring up by first enabling.. + */ + cntl |= CNTL_LCDEN; + writel(cntl, fb->regs + fb->off_cntl); + + clcdfb_sleep(20); + + /* + * and now apply power. + */ + cntl |= CNTL_LCDPWR; + writel(cntl, fb->regs + fb->off_cntl); + + /* + * Turn on backlight + */ + if (fb->panel->backlight) { + fb->panel->backlight->props.power = FB_BLANK_UNBLANK; + backlight_update_status(fb->panel->backlight); + } + + /* + * finally, enable the interface. + */ + if (fb->board->enable) + fb->board->enable(fb); +} + +static int +clcdfb_set_bitfields(struct clcd_fb *fb, struct fb_var_screeninfo *var) +{ + u32 caps; + int ret = 0; + + if (fb->panel->caps && fb->board->caps) + caps = fb->panel->caps & fb->board->caps; + else { + /* Old way of specifying what can be used */ + caps = fb->panel->cntl & CNTL_BGR ? + CLCD_CAP_BGR : CLCD_CAP_RGB; + /* But mask out 444 modes as they weren't supported */ + caps &= ~CLCD_CAP_444; + } + + /* Only TFT panels can do RGB888/BGR888 */ + if (!(fb->panel->cntl & CNTL_LCDTFT)) + caps &= ~CLCD_CAP_888; + + memset(&var->transp, 0, sizeof(var->transp)); + + var->red.msb_right = 0; + var->green.msb_right = 0; + var->blue.msb_right = 0; + + switch (var->bits_per_pixel) { + case 1: + case 2: + case 4: + case 8: + /* If we can't do 5551, reject */ + caps &= CLCD_CAP_5551; + if (!caps) { + ret = -EINVAL; + break; + } + + var->red.length = var->bits_per_pixel; + var->red.offset = 0; + var->green.length = var->bits_per_pixel; + var->green.offset = 0; + var->blue.length = var->bits_per_pixel; + var->blue.offset = 0; + break; + + case 16: + /* If we can't do 444, 5551 or 565, reject */ + if (!(caps & (CLCD_CAP_444 | CLCD_CAP_5551 | CLCD_CAP_565))) { + ret = -EINVAL; + break; + } + + /* + * Green length can be 4, 5 or 6 depending whether + * we're operating in 444, 5551 or 565 mode. + */ + if (var->green.length == 4 && caps & CLCD_CAP_444) + caps &= CLCD_CAP_444; + if (var->green.length == 5 && caps & CLCD_CAP_5551) + caps &= CLCD_CAP_5551; + else if (var->green.length == 6 && caps & CLCD_CAP_565) + caps &= CLCD_CAP_565; + else { + /* + * PL110 officially only supports RGB555, + * but may be wired up to allow RGB565. + */ + if (caps & CLCD_CAP_565) { + var->green.length = 6; + caps &= CLCD_CAP_565; + } else if (caps & CLCD_CAP_5551) { + var->green.length = 5; + caps &= CLCD_CAP_5551; + } else { + var->green.length = 4; + caps &= CLCD_CAP_444; + } + } + + if (var->green.length >= 5) { + var->red.length = 5; + var->blue.length = 5; + } else { + var->red.length = 4; + var->blue.length = 4; + } + break; + case 32: + /* If we can't do 888, reject */ + caps &= CLCD_CAP_888; + if (!caps) { + ret = -EINVAL; + break; + } + + var->red.length = 8; + var->green.length = 8; + var->blue.length = 8; + break; + default: + ret = -EINVAL; + break; + } + + /* + * >= 16bpp displays have separate colour component bitfields + * encoded in the pixel data. Calculate their position from + * the bitfield length defined above. + */ + if (ret == 0 && var->bits_per_pixel >= 16) { + bool bgr, rgb; + + bgr = caps & CLCD_CAP_BGR && var->blue.offset == 0; + rgb = caps & CLCD_CAP_RGB && var->red.offset == 0; + + if (!bgr && !rgb) + /* + * The requested format was not possible, try just + * our capabilities. One of BGR or RGB must be + * supported. + */ + bgr = caps & CLCD_CAP_BGR; + + if (bgr) { + var->blue.offset = 0; + var->green.offset = var->blue.offset + var->blue.length; + var->red.offset = var->green.offset + var->green.length; + } else { + var->red.offset = 0; + var->green.offset = var->red.offset + var->red.length; + var->blue.offset = var->green.offset + var->green.length; + } + } + + return ret; +} + +static int clcdfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) +{ + struct clcd_fb *fb = to_clcd(info); + int ret = -EINVAL; + + if (fb->board->check) + ret = fb->board->check(fb, var); + + if (ret == 0 && + var->xres_virtual * var->bits_per_pixel / 8 * + var->yres_virtual > fb->fb.fix.smem_len) + ret = -EINVAL; + + if (ret == 0) + ret = clcdfb_set_bitfields(fb, var); + + return ret; +} + +static int clcdfb_set_par(struct fb_info *info) +{ + struct clcd_fb *fb = to_clcd(info); + struct clcd_regs regs; + + fb->fb.fix.line_length = fb->fb.var.xres_virtual * + fb->fb.var.bits_per_pixel / 8; + + if (fb->fb.var.bits_per_pixel <= 8) + fb->fb.fix.visual = FB_VISUAL_PSEUDOCOLOR; + else + fb->fb.fix.visual = FB_VISUAL_TRUECOLOR; + + fb->board->decode(fb, ®s); + + clcdfb_disable(fb); + + writel(regs.tim0, fb->regs + CLCD_TIM0); + writel(regs.tim1, fb->regs + CLCD_TIM1); + writel(regs.tim2, fb->regs + CLCD_TIM2); + writel(regs.tim3, fb->regs + CLCD_TIM3); + + clcdfb_set_start(fb); + + clk_set_rate(fb->clk, (1000000000 / regs.pixclock) * 1000); + + fb->clcd_cntl = regs.cntl; + + clcdfb_enable(fb, regs.cntl); + +#ifdef DEBUG + printk(KERN_INFO + "CLCD: Registers set to\n" + " %08x %08x %08x %08x\n" + " %08x %08x %08x %08x\n", + readl(fb->regs + CLCD_TIM0), readl(fb->regs + CLCD_TIM1), + readl(fb->regs + CLCD_TIM2), readl(fb->regs + CLCD_TIM3), + readl(fb->regs + CLCD_UBAS), readl(fb->regs + CLCD_LBAS), + readl(fb->regs + fb->off_ienb), readl(fb->regs + fb->off_cntl)); +#endif + + return 0; +} + +static inline u32 convert_bitfield(int val, struct fb_bitfield *bf) +{ + unsigned int mask = (1 << bf->length) - 1; + + return (val >> (16 - bf->length) & mask) << bf->offset; +} + +/* + * Set a single color register. The values supplied have a 16 bit + * magnitude. Return != 0 for invalid regno. + */ +static int +clcdfb_setcolreg(unsigned int regno, unsigned int red, unsigned int green, + unsigned int blue, unsigned int transp, struct fb_info *info) +{ + struct clcd_fb *fb = to_clcd(info); + + if (regno < 16) + fb->cmap[regno] = convert_bitfield(transp, &fb->fb.var.transp) | + convert_bitfield(blue, &fb->fb.var.blue) | + convert_bitfield(green, &fb->fb.var.green) | + convert_bitfield(red, &fb->fb.var.red); + + if (fb->fb.fix.visual == FB_VISUAL_PSEUDOCOLOR && regno < 256) { + int hw_reg = CLCD_PALETTE + ((regno * 2) & ~3); + u32 val, mask, newval; + + newval = (red >> 11) & 0x001f; + newval |= (green >> 6) & 0x03e0; + newval |= (blue >> 1) & 0x7c00; + + /* + * 3.2.11: if we're configured for big endian + * byte order, the palette entries are swapped. + */ + if (fb->clcd_cntl & CNTL_BEBO) + regno ^= 1; + + if (regno & 1) { + newval <<= 16; + mask = 0x0000ffff; + } else { + mask = 0xffff0000; + } + + val = readl(fb->regs + hw_reg) & mask; + writel(val | newval, fb->regs + hw_reg); + } + + return regno > 255; +} + +/* + * Blank the screen if blank_mode != 0, else unblank. If blank == NULL + * then the caller blanks by setting the CLUT (Color Look Up Table) to all + * black. Return 0 if blanking succeeded, != 0 if un-/blanking failed due + * to e.g. a video mode which doesn't support it. Implements VESA suspend + * and powerdown modes on hardware that supports disabling hsync/vsync: + * blank_mode == 2: suspend vsync + * blank_mode == 3: suspend hsync + * blank_mode == 4: powerdown + */ +static int clcdfb_blank(int blank_mode, struct fb_info *info) +{ + struct clcd_fb *fb = to_clcd(info); + + if (blank_mode != 0) { + clcdfb_disable(fb); + } else { + clcdfb_enable(fb, fb->clcd_cntl); + } + return 0; +} + +static int clcdfb_mmap(struct fb_info *info, + struct vm_area_struct *vma) +{ + struct clcd_fb *fb = to_clcd(info); + unsigned long len, off = vma->vm_pgoff << PAGE_SHIFT; + int ret = -EINVAL; + + len = info->fix.smem_len; + + if (off <= len && vma->vm_end - vma->vm_start <= len - off && + fb->board->mmap) + ret = fb->board->mmap(fb, vma); + + return ret; +} + +static const struct fb_ops clcdfb_ops = { + .owner = THIS_MODULE, + .fb_check_var = clcdfb_check_var, + .fb_set_par = clcdfb_set_par, + .fb_setcolreg = clcdfb_setcolreg, + .fb_blank = clcdfb_blank, + .fb_fillrect = cfb_fillrect, + .fb_copyarea = cfb_copyarea, + .fb_imageblit = cfb_imageblit, + .fb_mmap = clcdfb_mmap, +}; + +static int clcdfb_register(struct clcd_fb *fb) +{ + int ret; + + /* + * ARM PL111 always has IENB at 0x1c; it's only PL110 + * which is reversed on some platforms. + */ + if (amba_manf(fb->dev) == 0x41 && amba_part(fb->dev) == 0x111) { + fb->off_ienb = CLCD_PL111_IENB; + fb->off_cntl = CLCD_PL111_CNTL; + } else { + fb->off_ienb = CLCD_PL110_IENB; + fb->off_cntl = CLCD_PL110_CNTL; + } + + fb->clk = clk_get(&fb->dev->dev, NULL); + if (IS_ERR(fb->clk)) { + ret = PTR_ERR(fb->clk); + goto out; + } + + ret = clk_prepare(fb->clk); + if (ret) + goto free_clk; + + fb->fb.device = &fb->dev->dev; + + fb->fb.fix.mmio_start = fb->dev->res.start; + fb->fb.fix.mmio_len = resource_size(&fb->dev->res); + + fb->regs = ioremap(fb->fb.fix.mmio_start, fb->fb.fix.mmio_len); + if (!fb->regs) { + printk(KERN_ERR "CLCD: unable to remap registers\n"); + ret = -ENOMEM; + goto clk_unprep; + } + + fb->fb.fbops = &clcdfb_ops; + fb->fb.flags = FBINFO_FLAG_DEFAULT; + fb->fb.pseudo_palette = fb->cmap; + + strncpy(fb->fb.fix.id, clcd_name, sizeof(fb->fb.fix.id)); + fb->fb.fix.type = FB_TYPE_PACKED_PIXELS; + fb->fb.fix.type_aux = 0; + fb->fb.fix.xpanstep = 0; + fb->fb.fix.ypanstep = 0; + fb->fb.fix.ywrapstep = 0; + fb->fb.fix.accel = FB_ACCEL_NONE; + + fb->fb.var.xres = fb->panel->mode.xres; + fb->fb.var.yres = fb->panel->mode.yres; + fb->fb.var.xres_virtual = fb->panel->mode.xres; + fb->fb.var.yres_virtual = fb->panel->mode.yres; + fb->fb.var.bits_per_pixel = fb->panel->bpp; + fb->fb.var.grayscale = fb->panel->grayscale; + fb->fb.var.pixclock = fb->panel->mode.pixclock; + fb->fb.var.left_margin = fb->panel->mode.left_margin; + fb->fb.var.right_margin = fb->panel->mode.right_margin; + fb->fb.var.upper_margin = fb->panel->mode.upper_margin; + fb->fb.var.lower_margin = fb->panel->mode.lower_margin; + fb->fb.var.hsync_len = fb->panel->mode.hsync_len; + fb->fb.var.vsync_len = fb->panel->mode.vsync_len; + fb->fb.var.sync = fb->panel->mode.sync; + fb->fb.var.vmode = fb->panel->mode.vmode; + fb->fb.var.activate = FB_ACTIVATE_NOW; + fb->fb.var.nonstd = 0; + fb->fb.var.height = fb->panel->height; + fb->fb.var.width = fb->panel->width; + fb->fb.var.accel_flags = 0; + + fb->fb.monspecs.hfmin = 0; + fb->fb.monspecs.hfmax = 100000; + fb->fb.monspecs.vfmin = 0; + fb->fb.monspecs.vfmax = 400; + fb->fb.monspecs.dclkmin = 1000000; + fb->fb.monspecs.dclkmax = 100000000; + + /* + * Make sure that the bitfields are set appropriately. + */ + clcdfb_set_bitfields(fb, &fb->fb.var); + + /* + * Allocate colourmap. + */ + ret = fb_alloc_cmap(&fb->fb.cmap, 256, 0); + if (ret) + goto unmap; + + /* + * Ensure interrupts are disabled. + */ + writel(0, fb->regs + fb->off_ienb); + + fb_set_var(&fb->fb, &fb->fb.var); + + dev_info(&fb->dev->dev, "%s hardware, %s display\n", + fb->board->name, fb->panel->mode.name); + + ret = register_framebuffer(&fb->fb); + if (ret == 0) + goto out; + + printk(KERN_ERR "CLCD: cannot register framebuffer (%d)\n", ret); + + fb_dealloc_cmap(&fb->fb.cmap); + unmap: + iounmap(fb->regs); + clk_unprep: + clk_unprepare(fb->clk); + free_clk: + clk_put(fb->clk); + out: + return ret; +} + +#ifdef CONFIG_OF +static int clcdfb_of_get_dpi_panel_mode(struct device_node *node, + struct clcd_panel *clcd_panel) +{ + int err; + struct display_timing timing; + struct videomode video; + + err = of_get_display_timing(node, "panel-timing", &timing); + if (err) { + pr_err("%pOF: problems parsing panel-timing (%d)\n", node, err); + return err; + } + + videomode_from_timing(&timing, &video); + + err = fb_videomode_from_videomode(&video, &clcd_panel->mode); + if (err) + return err; + + /* Set up some inversion flags */ + if (timing.flags & DISPLAY_FLAGS_PIXDATA_NEGEDGE) + clcd_panel->tim2 |= TIM2_IPC; + else if (!(timing.flags & DISPLAY_FLAGS_PIXDATA_POSEDGE)) + /* + * To preserve backwards compatibility, the IPC (inverted + * pixel clock) flag needs to be set on any display that + * doesn't explicitly specify that the pixel clock is + * active on the negative or positive edge. + */ + clcd_panel->tim2 |= TIM2_IPC; + + if (timing.flags & DISPLAY_FLAGS_HSYNC_LOW) + clcd_panel->tim2 |= TIM2_IHS; + + if (timing.flags & DISPLAY_FLAGS_VSYNC_LOW) + clcd_panel->tim2 |= TIM2_IVS; + + if (timing.flags & DISPLAY_FLAGS_DE_LOW) + clcd_panel->tim2 |= TIM2_IOE; + + return 0; +} + +static int clcdfb_snprintf_mode(char *buf, int size, struct fb_videomode *mode) +{ + return snprintf(buf, size, "%ux%u@%u", mode->xres, mode->yres, + mode->refresh); +} + +static int clcdfb_of_get_backlight(struct device *dev, + struct clcd_panel *clcd_panel) +{ + struct backlight_device *backlight; + + /* Look up the optional backlight device */ + backlight = devm_of_find_backlight(dev); + if (IS_ERR(backlight)) + return PTR_ERR(backlight); + + clcd_panel->backlight = backlight; + return 0; +} + +static int clcdfb_of_get_mode(struct device *dev, struct device_node *panel, + struct clcd_panel *clcd_panel) +{ + int err; + struct fb_videomode *mode; + char *name; + int len; + + /* Only directly connected DPI panels supported for now */ + if (of_device_is_compatible(panel, "panel-dpi")) + err = clcdfb_of_get_dpi_panel_mode(panel, clcd_panel); + else + err = -ENOENT; + if (err) + return err; + mode = &clcd_panel->mode; + + len = clcdfb_snprintf_mode(NULL, 0, mode); + name = devm_kzalloc(dev, len + 1, GFP_KERNEL); + if (!name) + return -ENOMEM; + + clcdfb_snprintf_mode(name, len + 1, mode); + mode->name = name; + + return 0; +} + +static int clcdfb_of_init_tft_panel(struct clcd_fb *fb, u32 r0, u32 g0, u32 b0) +{ + static struct { + unsigned int part; + u32 r0, g0, b0; + u32 caps; + } panels[] = { + { 0x110, 1, 7, 13, CLCD_CAP_5551 }, + { 0x110, 0, 8, 16, CLCD_CAP_888 }, + { 0x110, 16, 8, 0, CLCD_CAP_888 }, + { 0x111, 4, 14, 20, CLCD_CAP_444 }, + { 0x111, 3, 11, 19, CLCD_CAP_444 | CLCD_CAP_5551 }, + { 0x111, 3, 10, 19, CLCD_CAP_444 | CLCD_CAP_5551 | + CLCD_CAP_565 }, + { 0x111, 0, 8, 16, CLCD_CAP_444 | CLCD_CAP_5551 | + CLCD_CAP_565 | CLCD_CAP_888 }, + }; + int i; + + /* Bypass pixel clock divider */ + fb->panel->tim2 |= TIM2_BCD; + + /* TFT display, vert. comp. interrupt at the start of the back porch */ + fb->panel->cntl |= CNTL_LCDTFT | CNTL_LCDVCOMP(1); + + fb->panel->caps = 0; + + /* Match the setup with known variants */ + for (i = 0; i < ARRAY_SIZE(panels) && !fb->panel->caps; i++) { + if (amba_part(fb->dev) != panels[i].part) + continue; + if (g0 != panels[i].g0) + continue; + if (r0 == panels[i].r0 && b0 == panels[i].b0) + fb->panel->caps = panels[i].caps; + } + + /* + * If we actually physically connected the R lines to B and + * vice versa + */ + if (r0 != 0 && b0 == 0) + fb->panel->bgr_connection = true; + + return fb->panel->caps ? 0 : -EINVAL; +} + +static int clcdfb_of_init_display(struct clcd_fb *fb) +{ + struct device_node *endpoint, *panel; + int err; + unsigned int bpp; + u32 max_bandwidth; + u32 tft_r0b0g0[3]; + + fb->panel = devm_kzalloc(&fb->dev->dev, sizeof(*fb->panel), GFP_KERNEL); + if (!fb->panel) + return -ENOMEM; + + /* + * Fetch the panel endpoint. + */ + endpoint = of_graph_get_next_endpoint(fb->dev->dev.of_node, NULL); + if (!endpoint) + return -ENODEV; + + panel = of_graph_get_remote_port_parent(endpoint); + if (!panel) + return -ENODEV; + + err = clcdfb_of_get_backlight(&fb->dev->dev, fb->panel); + if (err) + return err; + + err = clcdfb_of_get_mode(&fb->dev->dev, panel, fb->panel); + if (err) + return err; + + err = of_property_read_u32(fb->dev->dev.of_node, "max-memory-bandwidth", + &max_bandwidth); + if (!err) { + /* + * max_bandwidth is in bytes per second and pixclock in + * pico-seconds, so the maximum allowed bits per pixel is + * 8 * max_bandwidth / (PICOS2KHZ(pixclock) * 1000) + * Rearrange this calculation to avoid overflow and then ensure + * result is a valid format. + */ + bpp = max_bandwidth / (1000 / 8) + / PICOS2KHZ(fb->panel->mode.pixclock); + bpp = rounddown_pow_of_two(bpp); + if (bpp > 32) + bpp = 32; + } else + bpp = 32; + fb->panel->bpp = bpp; + +#ifdef CONFIG_CPU_BIG_ENDIAN + fb->panel->cntl |= CNTL_BEBO; +#endif + fb->panel->width = -1; + fb->panel->height = -1; + + if (of_property_read_u32_array(endpoint, + "arm,pl11x,tft-r0g0b0-pads", + tft_r0b0g0, ARRAY_SIZE(tft_r0b0g0)) != 0) + return -ENOENT; + + return clcdfb_of_init_tft_panel(fb, tft_r0b0g0[0], + tft_r0b0g0[1], tft_r0b0g0[2]); +} + +static int clcdfb_of_vram_setup(struct clcd_fb *fb) +{ + int err; + struct device_node *memory; + u64 size; + + err = clcdfb_of_init_display(fb); + if (err) + return err; + + memory = of_parse_phandle(fb->dev->dev.of_node, "memory-region", 0); + if (!memory) + return -ENODEV; + + fb->fb.screen_base = of_iomap(memory, 0); + if (!fb->fb.screen_base) + return -ENOMEM; + + fb->fb.fix.smem_start = of_translate_address(memory, + of_get_address(memory, 0, &size, NULL)); + fb->fb.fix.smem_len = size; + + return 0; +} + +static int clcdfb_of_vram_mmap(struct clcd_fb *fb, struct vm_area_struct *vma) +{ + unsigned long off, user_size, kernel_size; + + + off = vma->vm_pgoff << PAGE_SHIFT; + user_size = vma->vm_end - vma->vm_start; + kernel_size = fb->fb.fix.smem_len; + + if (off >= kernel_size || user_size > (kernel_size - off)) + return -ENXIO; + + return remap_pfn_range(vma, vma->vm_start, + __phys_to_pfn(fb->fb.fix.smem_start) + vma->vm_pgoff, + user_size, + pgprot_writecombine(vma->vm_page_prot)); +} + +static void clcdfb_of_vram_remove(struct clcd_fb *fb) +{ + iounmap(fb->fb.screen_base); +} + +static int clcdfb_of_dma_setup(struct clcd_fb *fb) +{ + unsigned long framesize; + dma_addr_t dma; + int err; + + err = clcdfb_of_init_display(fb); + if (err) + return err; + + framesize = PAGE_ALIGN(fb->panel->mode.xres * fb->panel->mode.yres * + fb->panel->bpp / 8); + fb->fb.screen_base = dma_alloc_coherent(&fb->dev->dev, framesize, + &dma, GFP_KERNEL); + if (!fb->fb.screen_base) + return -ENOMEM; + + fb->fb.fix.smem_start = dma; + fb->fb.fix.smem_len = framesize; + + return 0; +} + +static int clcdfb_of_dma_mmap(struct clcd_fb *fb, struct vm_area_struct *vma) +{ + return dma_mmap_wc(&fb->dev->dev, vma, fb->fb.screen_base, + fb->fb.fix.smem_start, fb->fb.fix.smem_len); +} + +static void clcdfb_of_dma_remove(struct clcd_fb *fb) +{ + dma_free_coherent(&fb->dev->dev, fb->fb.fix.smem_len, + fb->fb.screen_base, fb->fb.fix.smem_start); +} + +static struct clcd_board *clcdfb_of_get_board(struct amba_device *dev) +{ + struct clcd_board *board = devm_kzalloc(&dev->dev, sizeof(*board), + GFP_KERNEL); + struct device_node *node = dev->dev.of_node; + + if (!board) + return NULL; + + board->name = of_node_full_name(node); + board->caps = CLCD_CAP_ALL; + board->check = clcdfb_check; + board->decode = clcdfb_decode; + if (of_find_property(node, "memory-region", NULL)) { + board->setup = clcdfb_of_vram_setup; + board->mmap = clcdfb_of_vram_mmap; + board->remove = clcdfb_of_vram_remove; + } else { + board->setup = clcdfb_of_dma_setup; + board->mmap = clcdfb_of_dma_mmap; + board->remove = clcdfb_of_dma_remove; + } + + return board; +} +#else +static struct clcd_board *clcdfb_of_get_board(struct amba_device *dev) +{ + return NULL; +} +#endif + +static int clcdfb_probe(struct amba_device *dev, const struct amba_id *id) +{ + struct clcd_board *board = dev_get_platdata(&dev->dev); + struct clcd_fb *fb; + int ret; + + if (!board) + board = clcdfb_of_get_board(dev); + + if (!board) + return -EINVAL; + + ret = dma_set_mask_and_coherent(&dev->dev, DMA_BIT_MASK(32)); + if (ret) + goto out; + + ret = amba_request_regions(dev, NULL); + if (ret) { + printk(KERN_ERR "CLCD: unable to reserve regs region\n"); + goto out; + } + + fb = kzalloc(sizeof(*fb), GFP_KERNEL); + if (!fb) { + ret = -ENOMEM; + goto free_region; + } + + fb->dev = dev; + fb->board = board; + + dev_info(&fb->dev->dev, "PL%03x designer %02x rev%u at 0x%08llx\n", + amba_part(dev), amba_manf(dev), amba_rev(dev), + (unsigned long long)dev->res.start); + + ret = fb->board->setup(fb); + if (ret) + goto free_fb; + + ret = clcdfb_register(fb); + if (ret == 0) { + amba_set_drvdata(dev, fb); + goto out; + } + + fb->board->remove(fb); + free_fb: + kfree(fb); + free_region: + amba_release_regions(dev); + out: + return ret; +} + +static int clcdfb_remove(struct amba_device *dev) +{ + struct clcd_fb *fb = amba_get_drvdata(dev); + + clcdfb_disable(fb); + unregister_framebuffer(&fb->fb); + if (fb->fb.cmap.len) + fb_dealloc_cmap(&fb->fb.cmap); + iounmap(fb->regs); + clk_unprepare(fb->clk); + clk_put(fb->clk); + + fb->board->remove(fb); + + kfree(fb); + + amba_release_regions(dev); + + return 0; +} + +static const struct amba_id clcdfb_id_table[] = { + { + .id = 0x00041110, + .mask = 0x000ffffe, + }, + { 0, 0 }, +}; + +MODULE_DEVICE_TABLE(amba, clcdfb_id_table); + +static struct amba_driver clcd_driver = { + .drv = { + .name = "clcd-pl11x", + }, + .probe = clcdfb_probe, + .remove = clcdfb_remove, + .id_table = clcdfb_id_table, +}; + +static int __init amba_clcdfb_init(void) +{ + if (fb_get_options("ambafb", NULL)) + return -ENODEV; + + return amba_driver_register(&clcd_driver); +} + +module_init(amba_clcdfb_init); + +static void __exit amba_clcdfb_exit(void) +{ + amba_driver_unregister(&clcd_driver); +} + +module_exit(amba_clcdfb_exit); + +MODULE_DESCRIPTION("ARM PrimeCell PL110 CLCD core driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/video/fbdev/arcfb.c b/drivers/video/fbdev/arcfb.c index 6f7838979f0a94..ae3d8e8b8d3364 100644 --- a/drivers/video/fbdev/arcfb.c +++ b/drivers/video/fbdev/arcfb.c @@ -419,7 +419,7 @@ static int arcfb_ioctl(struct fb_info *info, schedule(); finish_wait(&arcfb_waitq, &wait); } - /* fall through */ + fallthrough; case FBIO_GETCONTROL2: { diff --git a/drivers/video/fbdev/atmel_lcdfb.c b/drivers/video/fbdev/atmel_lcdfb.c index 1e252192569a8b..bfd2f00b403b14 100644 --- a/drivers/video/fbdev/atmel_lcdfb.c +++ b/drivers/video/fbdev/atmel_lcdfb.c @@ -508,7 +508,7 @@ static int atmel_lcdfb_check_var(struct fb_var_screeninfo *var, case 32: var->transp.offset = 24; var->transp.length = 8; - /* fall through */ + fallthrough; case 24: if (pdata->lcd_wiring_mode == ATMEL_LCDC_WIRING_RGB) { /* RGB:888 mode */ @@ -633,7 +633,7 @@ static int atmel_lcdfb_set_par(struct fb_info *info) case 2: value |= ATMEL_LCDC_PIXELSIZE_2; break; case 4: value |= ATMEL_LCDC_PIXELSIZE_4; break; case 8: value |= ATMEL_LCDC_PIXELSIZE_8; break; - case 15: /* fall through */ + case 15: case 16: value |= ATMEL_LCDC_PIXELSIZE_16; break; case 24: value |= ATMEL_LCDC_PIXELSIZE_24; break; case 32: value |= ATMEL_LCDC_PIXELSIZE_32; break; diff --git a/drivers/video/fbdev/aty/radeon_pm.c b/drivers/video/fbdev/aty/radeon_pm.c index 7c4483c7f313a0..f3d8123d7f3639 100644 --- a/drivers/video/fbdev/aty/radeon_pm.c +++ b/drivers/video/fbdev/aty/radeon_pm.c @@ -1208,11 +1208,11 @@ static void radeon_pm_enable_dll_m10(struct radeonfb_info *rinfo) case 1: if (mc & 0x4) break; - /* fall through */ + fallthrough; case 2: dll_sleep_mask |= MDLL_R300_RDCK__MRDCKB_SLEEP; dll_reset_mask |= MDLL_R300_RDCK__MRDCKB_RESET; - /* fall through */ + fallthrough; case 0: dll_sleep_mask |= MDLL_R300_RDCK__MRDCKA_SLEEP; dll_reset_mask |= MDLL_R300_RDCK__MRDCKA_RESET; @@ -1221,7 +1221,7 @@ static void radeon_pm_enable_dll_m10(struct radeonfb_info *rinfo) case 1: if (!(mc & 0x4)) break; - /* fall through */ + fallthrough; case 2: dll_sleep_mask |= MDLL_R300_RDCK__MRDCKD_SLEEP; dll_reset_mask |= MDLL_R300_RDCK__MRDCKD_RESET; diff --git a/drivers/video/fbdev/cirrusfb.c b/drivers/video/fbdev/cirrusfb.c index 3df64a9731945c..15a9ee7cd734d3 100644 --- a/drivers/video/fbdev/cirrusfb.c +++ b/drivers/video/fbdev/cirrusfb.c @@ -1476,11 +1476,11 @@ static void init_vgachip(struct fb_info *info) mdelay(100); /* mode */ vga_wgfx(cinfo->regbase, CL_GR31, 0x00); - /* fall through */ + fallthrough; case BT_GD5480: /* from Klaus' NetBSD driver: */ vga_wgfx(cinfo->regbase, CL_GR2F, 0x00); - /* fall through */ + fallthrough; case BT_ALPINE: /* put blitter into 542x compat */ vga_wgfx(cinfo->regbase, CL_GR33, 0x00); diff --git a/drivers/video/fbdev/controlfb.c b/drivers/video/fbdev/controlfb.c index 9c4f1be856eca4..2df56bd303d25d 100644 --- a/drivers/video/fbdev/controlfb.c +++ b/drivers/video/fbdev/controlfb.c @@ -49,6 +49,8 @@ #include <linux/cuda.h> #ifdef CONFIG_PPC_PMAC #include <asm/prom.h> +#endif +#ifdef CONFIG_BOOTX_TEXT #include <asm/btext.h> #endif @@ -713,7 +715,7 @@ static int controlfb_blank(int blank_mode, struct fb_info *info) break; case FB_BLANK_POWERDOWN: ctrl &= ~0x33; - /* fall through */ + fallthrough; case FB_BLANK_NORMAL: ctrl |= 0x400; break; diff --git a/drivers/video/fbdev/core/bitblit.c b/drivers/video/fbdev/core/bitblit.c index 4e6cbc24346d30..9725ecd1255ba0 100644 --- a/drivers/video/fbdev/core/bitblit.c +++ b/drivers/video/fbdev/core/bitblit.c @@ -234,7 +234,7 @@ static void bit_clear_margins(struct vc_data *vc, struct fb_info *info, } static void bit_cursor(struct vc_data *vc, struct fb_info *info, int mode, - int softback_lines, int fg, int bg) + int fg, int bg) { struct fb_cursor cursor; struct fbcon_ops *ops = info->fbcon_par; @@ -247,15 +247,6 @@ static void bit_cursor(struct vc_data *vc, struct fb_info *info, int mode, cursor.set = 0; - if (softback_lines) { - if (y + softback_lines >= vc->vc_rows) { - mode = CM_ERASE; - ops->cursor_flash = 0; - return; - } else - y += softback_lines; - } - c = scr_readw((u16 *) vc->vc_pos); attribute = get_attribute(info, c); src = vc->vc_font.data + ((c & charmask) * (w * vc->vc_font.height)); diff --git a/drivers/video/fbdev/core/fbcon.c b/drivers/video/fbdev/core/fbcon.c index 8a31fc2b2258a7..8c7bd0a29eaa03 100644 --- a/drivers/video/fbdev/core/fbcon.c +++ b/drivers/video/fbdev/core/fbcon.c @@ -122,12 +122,6 @@ static int logo_lines; /* logo_shown is an index to vc_cons when >= 0; otherwise follows FBCON_LOGO enums. */ static int logo_shown = FBCON_LOGO_CANSHOW; -/* Software scrollback */ -static int fbcon_softback_size = 32768; -static unsigned long softback_buf, softback_curr; -static unsigned long softback_in; -static unsigned long softback_top, softback_end; -static int softback_lines; /* console mappings */ static int first_fb_vc; static int last_fb_vc = MAX_NR_CONSOLES - 1; @@ -167,8 +161,6 @@ static int margin_color; static const struct consw fb_con; -#define CM_SOFTBACK (8) - #define advance_row(p, delta) (unsigned short *)((unsigned long)(p) + (delta) * vc->vc_size_row) static int fbcon_set_origin(struct vc_data *); @@ -373,18 +365,6 @@ static int get_color(struct vc_data *vc, struct fb_info *info, return color; } -static void fbcon_update_softback(struct vc_data *vc) -{ - int l = fbcon_softback_size / vc->vc_size_row; - - if (l > 5) - softback_end = softback_buf + l * vc->vc_size_row; - else - /* Smaller scrollback makes no sense, and 0 would screw - the operation totally */ - softback_top = 0; -} - static void fb_flashcursor(struct work_struct *work) { struct fb_info *info = container_of(work, struct fb_info, queue); @@ -414,7 +394,7 @@ static void fb_flashcursor(struct work_struct *work) c = scr_readw((u16 *) vc->vc_pos); mode = (!ops->cursor_flash || ops->cursor_state.enable) ? CM_ERASE : CM_DRAW; - ops->cursor(vc, info, mode, softback_lines, get_color(vc, info, c, 1), + ops->cursor(vc, info, mode, get_color(vc, info, c, 1), get_color(vc, info, c, 0)); console_unlock(); } @@ -471,13 +451,7 @@ static int __init fb_console_setup(char *this_opt) } if (!strncmp(options, "scrollback:", 11)) { - options += 11; - if (*options) { - fbcon_softback_size = simple_strtoul(options, &options, 0); - if (*options == 'k' || *options == 'K') { - fbcon_softback_size *= 1024; - } - } + pr_warn("Ignoring scrollback size option\n"); continue; } @@ -1022,31 +996,6 @@ static const char *fbcon_startup(void) set_blitting_type(vc, info); - if (info->fix.type != FB_TYPE_TEXT) { - if (fbcon_softback_size) { - if (!softback_buf) { - softback_buf = - (unsigned long) - kvmalloc(fbcon_softback_size, - GFP_KERNEL); - if (!softback_buf) { - fbcon_softback_size = 0; - softback_top = 0; - } - } - } else { - if (softback_buf) { - kvfree((void *) softback_buf); - softback_buf = 0; - softback_top = 0; - } - } - if (softback_buf) - softback_in = softback_top = softback_curr = - softback_buf; - softback_lines = 0; - } - /* Setup default font */ if (!p->fontdata && !vc->vc_font.data) { if (!fontname[0] || !(font = find_font(fontname))) @@ -1220,9 +1169,6 @@ static void fbcon_init(struct vc_data *vc, int init) if (logo) fbcon_prepare_logo(vc, info, cols, rows, new_cols, new_rows); - if (vc == svc && softback_buf) - fbcon_update_softback(vc); - if (ops->rotate_font && ops->rotate_font(info, vc)) { ops->rotate = FB_ROTATE_UR; set_blitting_type(vc, info); @@ -1385,7 +1331,6 @@ static void fbcon_cursor(struct vc_data *vc, int mode) { struct fb_info *info = registered_fb[con2fb_map[vc->vc_num]]; struct fbcon_ops *ops = info->fbcon_par; - int y; int c = scr_readw((u16 *) vc->vc_pos); ops->cur_blink_jiffies = msecs_to_jiffies(vc->vc_cur_blink_ms); @@ -1399,16 +1344,8 @@ static void fbcon_cursor(struct vc_data *vc, int mode) fbcon_add_cursor_timer(info); ops->cursor_flash = (mode == CM_ERASE) ? 0 : 1; - if (mode & CM_SOFTBACK) { - mode &= ~CM_SOFTBACK; - y = softback_lines; - } else { - if (softback_lines) - fbcon_set_origin(vc); - y = 0; - } - ops->cursor(vc, info, mode, y, get_color(vc, info, c, 1), + ops->cursor(vc, info, mode, get_color(vc, info, c, 1), get_color(vc, info, c, 0)); } @@ -1479,8 +1416,6 @@ static void fbcon_set_disp(struct fb_info *info, struct fb_var_screeninfo *var, if (con_is_visible(vc)) { update_screen(vc); - if (softback_buf) - fbcon_update_softback(vc); } } @@ -1618,99 +1553,6 @@ static __inline__ void ypan_down_redraw(struct vc_data *vc, int t, int count) scrollback_current = 0; } -static void fbcon_redraw_softback(struct vc_data *vc, struct fbcon_display *p, - long delta) -{ - int count = vc->vc_rows; - unsigned short *d, *s; - unsigned long n; - int line = 0; - - d = (u16 *) softback_curr; - if (d == (u16 *) softback_in) - d = (u16 *) vc->vc_origin; - n = softback_curr + delta * vc->vc_size_row; - softback_lines -= delta; - if (delta < 0) { - if (softback_curr < softback_top && n < softback_buf) { - n += softback_end - softback_buf; - if (n < softback_top) { - softback_lines -= - (softback_top - n) / vc->vc_size_row; - n = softback_top; - } - } else if (softback_curr >= softback_top - && n < softback_top) { - softback_lines -= - (softback_top - n) / vc->vc_size_row; - n = softback_top; - } - } else { - if (softback_curr > softback_in && n >= softback_end) { - n += softback_buf - softback_end; - if (n > softback_in) { - n = softback_in; - softback_lines = 0; - } - } else if (softback_curr <= softback_in && n > softback_in) { - n = softback_in; - softback_lines = 0; - } - } - if (n == softback_curr) - return; - softback_curr = n; - s = (u16 *) softback_curr; - if (s == (u16 *) softback_in) - s = (u16 *) vc->vc_origin; - while (count--) { - unsigned short *start; - unsigned short *le; - unsigned short c; - int x = 0; - unsigned short attr = 1; - - start = s; - le = advance_row(s, 1); - do { - c = scr_readw(s); - if (attr != (c & 0xff00)) { - attr = c & 0xff00; - if (s > start) { - fbcon_putcs(vc, start, s - start, - line, x); - x += s - start; - start = s; - } - } - if (c == scr_readw(d)) { - if (s > start) { - fbcon_putcs(vc, start, s - start, - line, x); - x += s - start + 1; - start = s + 1; - } else { - x++; - start++; - } - } - s++; - d++; - } while (s < le); - if (s > start) - fbcon_putcs(vc, start, s - start, line, x); - line++; - if (d == (u16 *) softback_end) - d = (u16 *) softback_buf; - if (d == (u16 *) softback_in) - d = (u16 *) vc->vc_origin; - if (s == (u16 *) softback_end) - s = (u16 *) softback_buf; - if (s == (u16 *) softback_in) - s = (u16 *) vc->vc_origin; - } -} - static void fbcon_redraw_move(struct vc_data *vc, struct fbcon_display *p, int line, int count, int dy) { @@ -1850,31 +1692,6 @@ static void fbcon_redraw(struct vc_data *vc, struct fbcon_display *p, } } -static inline void fbcon_softback_note(struct vc_data *vc, int t, - int count) -{ - unsigned short *p; - - if (vc->vc_num != fg_console) - return; - p = (unsigned short *) (vc->vc_origin + t * vc->vc_size_row); - - while (count) { - scr_memcpyw((u16 *) softback_in, p, vc->vc_size_row); - count--; - p = advance_row(p, 1); - softback_in += vc->vc_size_row; - if (softback_in == softback_end) - softback_in = softback_buf; - if (softback_in == softback_top) { - softback_top += vc->vc_size_row; - if (softback_top == softback_end) - softback_top = softback_buf; - } - } - softback_curr = softback_in; -} - static bool fbcon_scroll(struct vc_data *vc, unsigned int t, unsigned int b, enum con_scroll dir, unsigned int count) { @@ -1897,8 +1714,6 @@ static bool fbcon_scroll(struct vc_data *vc, unsigned int t, unsigned int b, case SM_UP: if (count > vc->vc_rows) /* Maximum realistic size */ count = vc->vc_rows; - if (softback_top) - fbcon_softback_note(vc, t, count); if (logo_shown >= 0) goto redraw_up; switch (p->scrollmode) { @@ -2191,6 +2006,9 @@ static void updatescrollmode(struct fbcon_display *p, } } +#define PITCH(w) (((w) + 7) >> 3) +#define CALC_FONTSZ(h, p, c) ((h) * (p) * (c)) /* size = height * pitch * charcount */ + static int fbcon_resize(struct vc_data *vc, unsigned int width, unsigned int height, unsigned int user) { @@ -2200,6 +2018,24 @@ static int fbcon_resize(struct vc_data *vc, unsigned int width, struct fb_var_screeninfo var = info->var; int x_diff, y_diff, virt_w, virt_h, virt_fw, virt_fh; + if (p->userfont && FNTSIZE(vc->vc_font.data)) { + int size; + int pitch = PITCH(vc->vc_font.width); + + /* + * If user font, ensure that a possible change to user font + * height or width will not allow a font data out-of-bounds access. + * NOTE: must use original charcount in calculation as font + * charcount can change and cannot be used to determine the + * font data allocated size. + */ + if (pitch <= 0) + return -EINVAL; + size = CALC_FONTSZ(vc->vc_font.height, pitch, FNTCHARCNT(vc->vc_font.data)); + if (size > FNTSIZE(vc->vc_font.data)) + return -EINVAL; + } + virt_w = FBCON_SWAP(ops->rotate, width, height); virt_h = FBCON_SWAP(ops->rotate, height, width); virt_fw = FBCON_SWAP(ops->rotate, vc->vc_font.width, @@ -2248,14 +2084,6 @@ static int fbcon_switch(struct vc_data *vc) info = registered_fb[con2fb_map[vc->vc_num]]; ops = info->fbcon_par; - if (softback_top) { - if (softback_lines) - fbcon_set_origin(vc); - softback_top = softback_curr = softback_in = softback_buf; - softback_lines = 0; - fbcon_update_softback(vc); - } - if (logo_shown >= 0) { struct vc_data *conp2 = vc_cons[logo_shown].d; @@ -2471,6 +2299,9 @@ static int fbcon_get_font(struct vc_data *vc, struct console_font *font) if (font->width <= 8) { j = vc->vc_font.height; + if (font->charcount * j > FNTSIZE(fontdata)) + return -EINVAL; + for (i = 0; i < font->charcount; i++) { memcpy(data, fontdata, j); memset(data + j, 0, 32 - j); @@ -2479,6 +2310,9 @@ static int fbcon_get_font(struct vc_data *vc, struct console_font *font) } } else if (font->width <= 16) { j = vc->vc_font.height * 2; + if (font->charcount * j > FNTSIZE(fontdata)) + return -EINVAL; + for (i = 0; i < font->charcount; i++) { memcpy(data, fontdata, j); memset(data + j, 0, 64 - j); @@ -2486,6 +2320,9 @@ static int fbcon_get_font(struct vc_data *vc, struct console_font *font) fontdata += j; } } else if (font->width <= 24) { + if (font->charcount * (vc->vc_font.height * sizeof(u32)) > FNTSIZE(fontdata)) + return -EINVAL; + for (i = 0; i < font->charcount; i++) { for (j = 0; j < vc->vc_font.height; j++) { *data++ = fontdata[0]; @@ -2498,6 +2335,9 @@ static int fbcon_get_font(struct vc_data *vc, struct console_font *font) } } else { j = vc->vc_font.height * 4; + if (font->charcount * j > FNTSIZE(fontdata)) + return -EINVAL; + for (i = 0; i < font->charcount; i++) { memcpy(data, fontdata, j); memset(data + j, 0, 128 - j); @@ -2579,9 +2419,6 @@ static int fbcon_do_set_font(struct vc_data *vc, int w, int h, int cnt; char *old_data = NULL; - if (con_is_visible(vc) && softback_lines) - fbcon_set_origin(vc); - resize = (w != vc->vc_font.width) || (h != vc->vc_font.height); if (p->userfont) old_data = vc->vc_font.data; @@ -2607,8 +2444,6 @@ static int fbcon_do_set_font(struct vc_data *vc, int w, int h, cols /= w; rows /= h; vc_resize(vc, cols, rows); - if (con_is_visible(vc) && softback_buf) - fbcon_update_softback(vc); } else if (con_is_visible(vc) && vc->vc_mode == KD_TEXT) { fbcon_clear_margins(vc, 0); @@ -2652,7 +2487,7 @@ static int fbcon_set_font(struct vc_data *vc, struct console_font *font, int size; int i, csum; u8 *new_data, *data = font->data; - int pitch = (font->width+7) >> 3; + int pitch = PITCH(font->width); /* Is there a reason why fbconsole couldn't handle any charcount >256? * If not this check should be changed to charcount < 256 */ @@ -2668,7 +2503,7 @@ static int fbcon_set_font(struct vc_data *vc, struct console_font *font, if (fbcon_invalid_charcount(info, charcount)) return -EINVAL; - size = h * pitch * charcount; + size = CALC_FONTSZ(h, pitch, charcount); new_data = kmalloc(FONT_EXTRA_WORDS * sizeof(int) + size, GFP_USER); @@ -2767,19 +2602,7 @@ static void fbcon_set_palette(struct vc_data *vc, const unsigned char *table) static u16 *fbcon_screen_pos(struct vc_data *vc, int offset) { - unsigned long p; - int line; - - if (vc->vc_num != fg_console || !softback_lines) - return (u16 *) (vc->vc_origin + offset); - line = offset / vc->vc_size_row; - if (line >= softback_lines) - return (u16 *) (vc->vc_origin + offset - - softback_lines * vc->vc_size_row); - p = softback_curr + offset; - if (p >= softback_end) - p += softback_buf - softback_end; - return (u16 *) p; + return (u16 *) (vc->vc_origin + offset); } static unsigned long fbcon_getxy(struct vc_data *vc, unsigned long pos, @@ -2793,22 +2616,7 @@ static unsigned long fbcon_getxy(struct vc_data *vc, unsigned long pos, x = offset % vc->vc_cols; y = offset / vc->vc_cols; - if (vc->vc_num == fg_console) - y += softback_lines; - ret = pos + (vc->vc_cols - x) * 2; - } else if (vc->vc_num == fg_console && softback_lines) { - unsigned long offset = pos - softback_curr; - - if (pos < softback_curr) - offset += softback_end - softback_buf; - offset /= 2; - x = offset % vc->vc_cols; - y = offset / vc->vc_cols; ret = pos + (vc->vc_cols - x) * 2; - if (ret == softback_end) - ret = softback_buf; - if (ret == softback_in) - ret = vc->vc_origin; } else { /* Should not happen */ x = y = 0; @@ -2836,106 +2644,11 @@ static void fbcon_invert_region(struct vc_data *vc, u16 * p, int cnt) a = ((a) & 0x88ff) | (((a) & 0x7000) >> 4) | (((a) & 0x0700) << 4); scr_writew(a, p++); - if (p == (u16 *) softback_end) - p = (u16 *) softback_buf; - if (p == (u16 *) softback_in) - p = (u16 *) vc->vc_origin; } } -static void fbcon_scrolldelta(struct vc_data *vc, int lines) -{ - struct fb_info *info = registered_fb[con2fb_map[fg_console]]; - struct fbcon_ops *ops = info->fbcon_par; - struct fbcon_display *disp = &fb_display[fg_console]; - int offset, limit, scrollback_old; - - if (softback_top) { - if (vc->vc_num != fg_console) - return; - if (vc->vc_mode != KD_TEXT || !lines) - return; - if (logo_shown >= 0) { - struct vc_data *conp2 = vc_cons[logo_shown].d; - - if (conp2->vc_top == logo_lines - && conp2->vc_bottom == conp2->vc_rows) - conp2->vc_top = 0; - if (logo_shown == vc->vc_num) { - unsigned long p, q; - int i; - - p = softback_in; - q = vc->vc_origin + - logo_lines * vc->vc_size_row; - for (i = 0; i < logo_lines; i++) { - if (p == softback_top) - break; - if (p == softback_buf) - p = softback_end; - p -= vc->vc_size_row; - q -= vc->vc_size_row; - scr_memcpyw((u16 *) q, (u16 *) p, - vc->vc_size_row); - } - softback_in = softback_curr = p; - update_region(vc, vc->vc_origin, - logo_lines * vc->vc_cols); - } - logo_shown = FBCON_LOGO_CANSHOW; - } - fbcon_cursor(vc, CM_ERASE | CM_SOFTBACK); - fbcon_redraw_softback(vc, disp, lines); - fbcon_cursor(vc, CM_DRAW | CM_SOFTBACK); - return; - } - - if (!scrollback_phys_max) - return; - - scrollback_old = scrollback_current; - scrollback_current -= lines; - if (scrollback_current < 0) - scrollback_current = 0; - else if (scrollback_current > scrollback_max) - scrollback_current = scrollback_max; - if (scrollback_current == scrollback_old) - return; - - if (fbcon_is_inactive(vc, info)) - return; - - fbcon_cursor(vc, CM_ERASE); - - offset = disp->yscroll - scrollback_current; - limit = disp->vrows; - switch (disp->scrollmode) { - case SCROLL_WRAP_MOVE: - info->var.vmode |= FB_VMODE_YWRAP; - break; - case SCROLL_PAN_MOVE: - case SCROLL_PAN_REDRAW: - limit -= vc->vc_rows; - info->var.vmode &= ~FB_VMODE_YWRAP; - break; - } - if (offset < 0) - offset += limit; - else if (offset >= limit) - offset -= limit; - - ops->var.xoffset = 0; - ops->var.yoffset = offset * vc->vc_font.height; - ops->update_start(info); - - if (!scrollback_current) - fbcon_cursor(vc, CM_DRAW); -} - static int fbcon_set_origin(struct vc_data *vc) { - if (softback_lines) - fbcon_scrolldelta(vc, softback_lines); return 0; } @@ -2999,8 +2712,6 @@ static void fbcon_modechanged(struct fb_info *info) fbcon_set_palette(vc, color_table); update_screen(vc); - if (softback_buf) - fbcon_update_softback(vc); } } @@ -3411,7 +3122,6 @@ static const struct consw fb_con = { .con_font_default = fbcon_set_def_font, .con_font_copy = fbcon_copy_font, .con_set_palette = fbcon_set_palette, - .con_scrolldelta = fbcon_scrolldelta, .con_set_origin = fbcon_set_origin, .con_invert_region = fbcon_invert_region, .con_screen_pos = fbcon_screen_pos, @@ -3646,9 +3356,6 @@ static void fbcon_exit(void) } #endif - kvfree((void *)softback_buf); - softback_buf = 0UL; - for_each_registered_fb(i) { int pending = 0; diff --git a/drivers/video/fbdev/core/fbcon.h b/drivers/video/fbdev/core/fbcon.h index 20dea853765f54..9315b360c89813 100644 --- a/drivers/video/fbdev/core/fbcon.h +++ b/drivers/video/fbdev/core/fbcon.h @@ -62,7 +62,7 @@ struct fbcon_ops { void (*clear_margins)(struct vc_data *vc, struct fb_info *info, int color, int bottom_only); void (*cursor)(struct vc_data *vc, struct fb_info *info, int mode, - int softback_lines, int fg, int bg); + int fg, int bg); int (*update_start)(struct fb_info *info); int (*rotate_font)(struct fb_info *info, struct vc_data *vc); struct fb_var_screeninfo var; /* copy of the current fb_var_screeninfo */ @@ -152,13 +152,6 @@ static inline int attr_col_ec(int shift, struct vc_data *vc, #define attr_bgcol_ec(bgshift, vc, info) attr_col_ec(bgshift, vc, info, 0) #define attr_fgcol_ec(fgshift, vc, info) attr_col_ec(fgshift, vc, info, 1) -/* Font */ -#define REFCOUNT(fd) (((int *)(fd))[-1]) -#define FNTSIZE(fd) (((int *)(fd))[-2]) -#define FNTCHARCNT(fd) (((int *)(fd))[-3]) -#define FNTSUM(fd) (((int *)(fd))[-4]) -#define FONT_EXTRA_WORDS 4 - /* * Scroll Method */ diff --git a/drivers/video/fbdev/core/fbcon_ccw.c b/drivers/video/fbdev/core/fbcon_ccw.c index 5b177131e062d1..bbd869efd03bc9 100644 --- a/drivers/video/fbdev/core/fbcon_ccw.c +++ b/drivers/video/fbdev/core/fbcon_ccw.c @@ -219,7 +219,7 @@ static void ccw_clear_margins(struct vc_data *vc, struct fb_info *info, } static void ccw_cursor(struct vc_data *vc, struct fb_info *info, int mode, - int softback_lines, int fg, int bg) + int fg, int bg) { struct fb_cursor cursor; struct fbcon_ops *ops = info->fbcon_par; @@ -236,15 +236,6 @@ static void ccw_cursor(struct vc_data *vc, struct fb_info *info, int mode, cursor.set = 0; - if (softback_lines) { - if (y + softback_lines >= vc->vc_rows) { - mode = CM_ERASE; - ops->cursor_flash = 0; - return; - } else - y += softback_lines; - } - c = scr_readw((u16 *) vc->vc_pos); attribute = get_attribute(info, c); src = ops->fontbuffer + ((c & charmask) * (w * vc->vc_font.width)); diff --git a/drivers/video/fbdev/core/fbcon_cw.c b/drivers/video/fbdev/core/fbcon_cw.c index 894d01a62f30d7..a34cbe8e98744b 100644 --- a/drivers/video/fbdev/core/fbcon_cw.c +++ b/drivers/video/fbdev/core/fbcon_cw.c @@ -202,7 +202,7 @@ static void cw_clear_margins(struct vc_data *vc, struct fb_info *info, } static void cw_cursor(struct vc_data *vc, struct fb_info *info, int mode, - int softback_lines, int fg, int bg) + int fg, int bg) { struct fb_cursor cursor; struct fbcon_ops *ops = info->fbcon_par; @@ -219,15 +219,6 @@ static void cw_cursor(struct vc_data *vc, struct fb_info *info, int mode, cursor.set = 0; - if (softback_lines) { - if (y + softback_lines >= vc->vc_rows) { - mode = CM_ERASE; - ops->cursor_flash = 0; - return; - } else - y += softback_lines; - } - c = scr_readw((u16 *) vc->vc_pos); attribute = get_attribute(info, c); src = ops->fontbuffer + ((c & charmask) * (w * vc->vc_font.width)); diff --git a/drivers/video/fbdev/core/fbcon_rotate.c b/drivers/video/fbdev/core/fbcon_rotate.c index c0d445294aa7c3..ac72d4f85f7d01 100644 --- a/drivers/video/fbdev/core/fbcon_rotate.c +++ b/drivers/video/fbdev/core/fbcon_rotate.c @@ -14,6 +14,7 @@ #include <linux/fb.h> #include <linux/vt_kern.h> #include <linux/console.h> +#include <linux/font.h> #include <asm/types.h> #include "fbcon.h" #include "fbcon_rotate.h" diff --git a/drivers/video/fbdev/core/fbcon_ud.c b/drivers/video/fbdev/core/fbcon_ud.c index 01b87f278d796a..199cbc7abe3531 100644 --- a/drivers/video/fbdev/core/fbcon_ud.c +++ b/drivers/video/fbdev/core/fbcon_ud.c @@ -249,7 +249,7 @@ static void ud_clear_margins(struct vc_data *vc, struct fb_info *info, } static void ud_cursor(struct vc_data *vc, struct fb_info *info, int mode, - int softback_lines, int fg, int bg) + int fg, int bg) { struct fb_cursor cursor; struct fbcon_ops *ops = info->fbcon_par; @@ -267,15 +267,6 @@ static void ud_cursor(struct vc_data *vc, struct fb_info *info, int mode, cursor.set = 0; - if (softback_lines) { - if (y + softback_lines >= vc->vc_rows) { - mode = CM_ERASE; - ops->cursor_flash = 0; - return; - } else - y += softback_lines; - } - c = scr_readw((u16 *) vc->vc_pos); attribute = get_attribute(info, c); src = ops->fontbuffer + ((c & charmask) * (w * vc->vc_font.height)); diff --git a/drivers/video/fbdev/core/fbmem.c b/drivers/video/fbdev/core/fbmem.c index da7c88ffaa6a8a..6815bfb7f5724a 100644 --- a/drivers/video/fbdev/core/fbmem.c +++ b/drivers/video/fbdev/core/fbmem.c @@ -1306,7 +1306,7 @@ static long fb_compat_ioctl(struct file *file, unsigned int cmd, case FBIOGET_CON2FBMAP: case FBIOPUT_CON2FBMAP: arg = (unsigned long) compat_ptr(arg); - /* fall through */ + fallthrough; case FBIOBLANK: ret = do_fb_ioctl(info, cmd, arg); break; diff --git a/drivers/video/fbdev/core/tileblit.c b/drivers/video/fbdev/core/tileblit.c index 1dfaff0881fb9d..628fe5e010c082 100644 --- a/drivers/video/fbdev/core/tileblit.c +++ b/drivers/video/fbdev/core/tileblit.c @@ -13,6 +13,7 @@ #include <linux/fb.h> #include <linux/vt_kern.h> #include <linux/console.h> +#include <linux/font.h> #include <asm/types.h> #include "fbcon.h" @@ -80,7 +81,7 @@ static void tile_clear_margins(struct vc_data *vc, struct fb_info *info, } static void tile_cursor(struct vc_data *vc, struct fb_info *info, int mode, - int softback_lines, int fg, int bg) + int fg, int bg) { struct fb_tilecursor cursor; int use_sw = vc->vc_cursor_type & CUR_SW; diff --git a/drivers/video/fbdev/fsl-diu-fb.c b/drivers/video/fbdev/fsl-diu-fb.c index 67ebfe5c9f1d83..a547c21c7e9280 100644 --- a/drivers/video/fbdev/fsl-diu-fb.c +++ b/drivers/video/fbdev/fsl-diu-fb.c @@ -1287,7 +1287,7 @@ static int fsl_diu_ioctl(struct fb_info *info, unsigned int cmd, dev_warn(info->dev, "MFB_SET_PIXFMT value of 0x%08x is deprecated.\n", MFB_SET_PIXFMT_OLD); - /* fall through */ + fallthrough; case MFB_SET_PIXFMT: if (copy_from_user(&pix_fmt, buf, sizeof(pix_fmt))) return -EFAULT; @@ -1297,7 +1297,7 @@ static int fsl_diu_ioctl(struct fb_info *info, unsigned int cmd, dev_warn(info->dev, "MFB_GET_PIXFMT value of 0x%08x is deprecated.\n", MFB_GET_PIXFMT_OLD); - /* fall through */ + fallthrough; case MFB_GET_PIXFMT: pix_fmt = ad->pix_fmt; if (copy_to_user(buf, &pix_fmt, sizeof(pix_fmt))) diff --git a/drivers/video/fbdev/gxt4500.c b/drivers/video/fbdev/gxt4500.c index 13ded3a1070845..e5475ae1e1587e 100644 --- a/drivers/video/fbdev/gxt4500.c +++ b/drivers/video/fbdev/gxt4500.c @@ -534,7 +534,7 @@ static int gxt4500_setcolreg(unsigned int reg, unsigned int red, break; case DFA_PIX_32BIT: val |= (reg << 24); - /* fall through */ + fallthrough; case DFA_PIX_24BIT: val |= (reg << 16) | (reg << 8); break; diff --git a/drivers/video/fbdev/hyperv_fb.c b/drivers/video/fbdev/hyperv_fb.c index e4c3c8b65da44f..02411d89cb462e 100644 --- a/drivers/video/fbdev/hyperv_fb.c +++ b/drivers/video/fbdev/hyperv_fb.c @@ -648,13 +648,13 @@ static int synthvid_connect_vsp(struct hv_device *hdev) ret = synthvid_negotiate_ver(hdev, SYNTHVID_VERSION_WIN10); if (!ret) break; - /* Fallthrough */ + fallthrough; case VERSION_WIN8: case VERSION_WIN8_1: ret = synthvid_negotiate_ver(hdev, SYNTHVID_VERSION_WIN8); if (!ret) break; - /* Fallthrough */ + fallthrough; case VERSION_WS2008: case VERSION_WIN7: ret = synthvid_negotiate_ver(hdev, SYNTHVID_VERSION_WIN7); diff --git a/drivers/video/fbdev/i740fb.c b/drivers/video/fbdev/i740fb.c index c65ec7386e87b8..e6f35f8feefcb5 100644 --- a/drivers/video/fbdev/i740fb.c +++ b/drivers/video/fbdev/i740fb.c @@ -430,7 +430,7 @@ static int i740fb_decode_var(const struct fb_var_screeninfo *var, break; case 9 ... 15: bpp = 15; - /* fall through */ + fallthrough; case 16: if ((1000000 / var->pixclock) > DACSPEED16) { dev_err(info->device, "requested pixclock %i MHz out of range (max. %i MHz at 15/16bpp)\n", diff --git a/drivers/video/fbdev/mmp/fb/mmpfb.c b/drivers/video/fbdev/mmp/fb/mmpfb.c index 01c75c031cb6a5..39ebbe026ddf5c 100644 --- a/drivers/video/fbdev/mmp/fb/mmpfb.c +++ b/drivers/video/fbdev/mmp/fb/mmpfb.c @@ -90,8 +90,6 @@ static int var_to_pixfmt(struct fb_var_screeninfo *var) else return PIXFMT_BGR888UNPACK; } - - /* fall through */ } return -EINVAL; diff --git a/drivers/video/fbdev/nvidia/nv_hw.c b/drivers/video/fbdev/nvidia/nv_hw.c index 8335da4ca30e28..9b0a324bb1b481 100644 --- a/drivers/video/fbdev/nvidia/nv_hw.c +++ b/drivers/video/fbdev/nvidia/nv_hw.c @@ -896,7 +896,7 @@ void NVCalcStateExt(struct nvidia_par *par, if (!par->FlatPanel) state->control = NV_RD32(par->PRAMDAC0, 0x0580) & 0xeffffeff; - /* fallthrough */ + fallthrough; case NV_ARCH_10: case NV_ARCH_20: case NV_ARCH_30: diff --git a/drivers/video/fbdev/offb.c b/drivers/video/fbdev/offb.c index 5cd0f5f6a4ae73..4501e848a36f2c 100644 --- a/drivers/video/fbdev/offb.c +++ b/drivers/video/fbdev/offb.c @@ -141,7 +141,7 @@ static int offb_setcolreg(u_int regno, u_int red, u_int green, u_int blue, /* Clear PALETTE_ACCESS_CNTL in DAC_CNTL */ out_le32(par->cmap_adr + 0x58, in_le32(par->cmap_adr + 0x58) & ~0x20); - /* fall through */ + fallthrough; case cmap_r128: /* Set palette index & data */ out_8(par->cmap_adr + 0xb0, regno); @@ -211,7 +211,7 @@ static int offb_blank(int blank, struct fb_info *info) /* Clear PALETTE_ACCESS_CNTL in DAC_CNTL */ out_le32(par->cmap_adr + 0x58, in_le32(par->cmap_adr + 0x58) & ~0x20); - /* fall through */ + fallthrough; case cmap_r128: /* Set palette index & data */ out_8(par->cmap_adr + 0xb0, i); diff --git a/drivers/video/fbdev/omap/lcdc.c b/drivers/video/fbdev/omap/lcdc.c index fa73acfc1371db..7317c9aad67723 100644 --- a/drivers/video/fbdev/omap/lcdc.c +++ b/drivers/video/fbdev/omap/lcdc.c @@ -328,13 +328,13 @@ static int omap_lcdc_setup_plane(int plane, int channel_out, lcdc.bpp = 12; break; } - /* fallthrough */ + fallthrough; case OMAPFB_COLOR_YUV422: if (lcdc.ext_mode) { lcdc.bpp = 16; break; } - /* fallthrough */ + fallthrough; default: /* FIXME: other BPPs. * bpp1: code 0, size 256 diff --git a/drivers/video/fbdev/omap/omapfb_main.c b/drivers/video/fbdev/omap/omapfb_main.c index 0cbcc74fa94392..3d090d2d9ed9ee 100644 --- a/drivers/video/fbdev/omap/omapfb_main.c +++ b/drivers/video/fbdev/omap/omapfb_main.c @@ -253,7 +253,7 @@ static int _setcolreg(struct fb_info *info, u_int regno, u_int red, u_int green, if (fbdev->ctrl->setcolreg) r = fbdev->ctrl->setcolreg(regno, red, green, blue, transp, update_hw_pal); - /* Fallthrough */ + fallthrough; case OMAPFB_COLOR_RGB565: case OMAPFB_COLOR_RGB444: if (r != 0) @@ -443,7 +443,7 @@ static int set_color_mode(struct omapfb_plane_struct *plane, return 0; case 12: var->bits_per_pixel = 16; - /* fall through */ + fallthrough; case 16: if (plane->fbdev->panel->bpp == 12) plane->color_mode = OMAPFB_COLOR_RGB444; @@ -1531,27 +1531,27 @@ static void omapfb_free_resources(struct omapfb_device *fbdev, int state) case OMAPFB_ACTIVE: for (i = 0; i < fbdev->mem_desc.region_cnt; i++) unregister_framebuffer(fbdev->fb_info[i]); - /* fall through */ + fallthrough; case 7: omapfb_unregister_sysfs(fbdev); - /* fall through */ + fallthrough; case 6: if (fbdev->panel->disable) fbdev->panel->disable(fbdev->panel); - /* fall through */ + fallthrough; case 5: omapfb_set_update_mode(fbdev, OMAPFB_UPDATE_DISABLED); - /* fall through */ + fallthrough; case 4: planes_cleanup(fbdev); - /* fall through */ + fallthrough; case 3: ctrl_cleanup(fbdev); - /* fall through */ + fallthrough; case 2: if (fbdev->panel->cleanup) fbdev->panel->cleanup(fbdev->panel); - /* fall through */ + fallthrough; case 1: dev_set_drvdata(fbdev->dev, NULL); kfree(fbdev); @@ -1854,7 +1854,7 @@ static int __init omapfb_setup(char *options) case 'm': case 'M': vram *= 1024; - /* Fall through */ + fallthrough; case 'k': case 'K': vram *= 1024; diff --git a/drivers/video/fbdev/omap2/omapfb/dss/dispc.c b/drivers/video/fbdev/omap2/omapfb/dss/dispc.c index 3920a0db0390c3..b2d6e6df216156 100644 --- a/drivers/video/fbdev/omap2/omapfb/dss/dispc.c +++ b/drivers/video/fbdev/omap2/omapfb/dss/dispc.c @@ -1861,7 +1861,7 @@ static void calc_vrfb_rotation_offset(u8 rotation, bool mirror, if (color_mode == OMAP_DSS_COLOR_YUV2 || color_mode == OMAP_DSS_COLOR_UYVY) width = width >> 1; - /* fall through */ + fallthrough; case OMAP_DSS_ROT_90: case OMAP_DSS_ROT_270: *offset1 = 0; @@ -1884,7 +1884,7 @@ static void calc_vrfb_rotation_offset(u8 rotation, bool mirror, if (color_mode == OMAP_DSS_COLOR_YUV2 || color_mode == OMAP_DSS_COLOR_UYVY) width = width >> 1; - /* fall through */ + fallthrough; case OMAP_DSS_ROT_90 + 4: case OMAP_DSS_ROT_270 + 4: *offset1 = 0; diff --git a/drivers/video/fbdev/omap2/omapfb/omapfb-ioctl.c b/drivers/video/fbdev/omap2/omapfb/omapfb-ioctl.c index f40be68d5aac97..ea8c88aa447716 100644 --- a/drivers/video/fbdev/omap2/omapfb/omapfb-ioctl.c +++ b/drivers/video/fbdev/omap2/omapfb/omapfb-ioctl.c @@ -760,7 +760,7 @@ int omapfb_ioctl(struct fb_info *fbi, unsigned int cmd, unsigned long arg) r = -ENODEV; break; } - /* FALLTHROUGH */ + fallthrough; case OMAPFB_WAITFORVSYNC: DBG("ioctl WAITFORVSYNC\n"); diff --git a/drivers/video/fbdev/omap2/omapfb/omapfb-main.c b/drivers/video/fbdev/omap2/omapfb/omapfb-main.c index 836e7b1639ce58..a3decc7fadde3b 100644 --- a/drivers/video/fbdev/omap2/omapfb/omapfb-main.c +++ b/drivers/video/fbdev/omap2/omapfb/omapfb-main.c @@ -882,7 +882,7 @@ int omapfb_setup_overlay(struct fb_info *fbi, struct omap_overlay *ovl, / (var->bits_per_pixel >> 2); break; } - /* fall through */ + fallthrough; default: screen_width = fix->line_length / (var->bits_per_pixel >> 3); break; diff --git a/drivers/video/fbdev/pm2fb.c b/drivers/video/fbdev/pm2fb.c index c7c98d8e235928..0642555289e067 100644 --- a/drivers/video/fbdev/pm2fb.c +++ b/drivers/video/fbdev/pm2fb.c @@ -233,10 +233,10 @@ static u32 to3264(u32 timing, int bpp, int is64) switch (bpp) { case 24: timing *= 3; - /* fall through */ + fallthrough; case 8: timing >>= 1; - /* fall through */ + fallthrough; case 16: timing >>= 1; case 32: diff --git a/drivers/video/fbdev/pxa168fb.c b/drivers/video/fbdev/pxa168fb.c index eedfbd3572a8fa..47e6a1d0d2293e 100644 --- a/drivers/video/fbdev/pxa168fb.c +++ b/drivers/video/fbdev/pxa168fb.c @@ -60,8 +60,6 @@ static int determine_best_pix_fmt(struct fb_var_screeninfo *var) else return PIX_FMT_BGR1555; } - - /* fall through */ } /* @@ -87,8 +85,6 @@ static int determine_best_pix_fmt(struct fb_var_screeninfo *var) else return PIX_FMT_BGR888UNPACK; } - - /* fall through */ } return -EINVAL; diff --git a/drivers/video/fbdev/pxafb.c b/drivers/video/fbdev/pxafb.c index a53d24fb718345..f1551e00eb12f1 100644 --- a/drivers/video/fbdev/pxafb.c +++ b/drivers/video/fbdev/pxafb.c @@ -1614,7 +1614,7 @@ static void set_ctrlr_state(struct pxafb_info *fbi, u_int state) */ if (old_state != C_DISABLE_PM) break; - /* fall through */ + fallthrough; case C_ENABLE: /* diff --git a/drivers/video/fbdev/riva/fbdev.c b/drivers/video/fbdev/riva/fbdev.c index 9b3493846f4d91..ce55b9d2e862bb 100644 --- a/drivers/video/fbdev/riva/fbdev.c +++ b/drivers/video/fbdev/riva/fbdev.c @@ -1093,7 +1093,7 @@ static int rivafb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) break; case 9 ... 15: var->green.length = 5; - /* fall through */ + fallthrough; case 16: var->bits_per_pixel = 16; /* The Riva128 supports RGB555 only */ diff --git a/drivers/video/fbdev/s3c-fb.c b/drivers/video/fbdev/s3c-fb.c index 9dc925054930e9..ba316bd56efd7a 100644 --- a/drivers/video/fbdev/s3c-fb.c +++ b/drivers/video/fbdev/s3c-fb.c @@ -284,7 +284,7 @@ static int s3c_fb_check_var(struct fb_var_screeninfo *var, /* 666 with one bit alpha/transparency */ var->transp.offset = 18; var->transp.length = 1; - /* fall through */ + fallthrough; case 18: var->bits_per_pixel = 32; @@ -312,7 +312,7 @@ static int s3c_fb_check_var(struct fb_var_screeninfo *var, case 25: var->transp.length = var->bits_per_pixel - 24; var->transp.offset = 24; - /* fall through */ + fallthrough; case 24: /* our 24bpp is unpacked, so 32bpp */ var->bits_per_pixel = 32; @@ -809,7 +809,7 @@ static int s3c_fb_blank(int blank_mode, struct fb_info *info) case FB_BLANK_POWERDOWN: wincon &= ~WINCONx_ENWIN; sfb->enabled &= ~(1 << index); - /* fall through - to FB_BLANK_NORMAL */ + fallthrough; /* to FB_BLANK_NORMAL */ case FB_BLANK_NORMAL: /* disable the DMA and display 0x0 (black) */ diff --git a/drivers/video/fbdev/sa1100fb.c b/drivers/video/fbdev/sa1100fb.c index bda6cc313c8b96..e31cf63b0a62d4 100644 --- a/drivers/video/fbdev/sa1100fb.c +++ b/drivers/video/fbdev/sa1100fb.c @@ -935,7 +935,7 @@ static void set_ctrlr_state(struct sa1100fb_info *fbi, u_int state) */ if (old_state != C_DISABLE_PM) break; - /* fall through */ + fallthrough; case C_ENABLE: /* diff --git a/drivers/video/fbdev/savage/savagefb_driver.c b/drivers/video/fbdev/savage/savagefb_driver.c index 3fd87aeb6c798f..a2442aae7e1253 100644 --- a/drivers/video/fbdev/savage/savagefb_driver.c +++ b/drivers/video/fbdev/savage/savagefb_driver.c @@ -1860,7 +1860,7 @@ static int savage_init_hw(struct savagefb_par *par) if ((vga_in8(0x3d5, par) & 0xC0) == (0x01 << 6)) RamSavage4[1] = 8; - /*FALLTHROUGH*/ + fallthrough; case S3_SAVAGE2000: videoRam = RamSavage4[(config1 & 0xE0) >> 5] * 1024; diff --git a/drivers/video/fbdev/sh_mobile_lcdcfb.c b/drivers/video/fbdev/sh_mobile_lcdcfb.c index 8a27d12e6ea879..c1043420dbd3e0 100644 --- a/drivers/video/fbdev/sh_mobile_lcdcfb.c +++ b/drivers/video/fbdev/sh_mobile_lcdcfb.c @@ -1594,7 +1594,7 @@ sh_mobile_lcdc_overlay_fb_init(struct sh_mobile_lcdc_overlay *ovl) case V4L2_PIX_FMT_NV12: case V4L2_PIX_FMT_NV21: info->fix.ypanstep = 2; - /* Fall through */ + fallthrough; case V4L2_PIX_FMT_NV16: case V4L2_PIX_FMT_NV61: info->fix.xpanstep = 2; @@ -2085,7 +2085,7 @@ sh_mobile_lcdc_channel_fb_init(struct sh_mobile_lcdc_chan *ch, case V4L2_PIX_FMT_NV12: case V4L2_PIX_FMT_NV21: info->fix.ypanstep = 2; - /* Fall through */ + fallthrough; case V4L2_PIX_FMT_NV16: case V4L2_PIX_FMT_NV61: info->fix.xpanstep = 2; diff --git a/drivers/video/fbdev/sis/sis_main.c b/drivers/video/fbdev/sis/sis_main.c index ac140962b1bfba..03c736f6f3d086 100644 --- a/drivers/video/fbdev/sis/sis_main.c +++ b/drivers/video/fbdev/sis/sis_main.c @@ -1739,7 +1739,7 @@ static int sisfb_ioctl(struct fb_info *info, unsigned int cmd, if(ivideo->warncount++ < 10) printk(KERN_INFO "sisfb: Deprecated ioctl call received - update your application!\n"); - /* fall through */ + fallthrough; case SISFB_GET_INFO: /* For communication with X driver */ ivideo->sisfb_infoblock.sisfb_id = SISFB_ID; ivideo->sisfb_infoblock.sisfb_version = VER_MAJOR; @@ -1793,7 +1793,7 @@ static int sisfb_ioctl(struct fb_info *info, unsigned int cmd, if(ivideo->warncount++ < 10) printk(KERN_INFO "sisfb: Deprecated ioctl call received - update your application!\n"); - /* fall through */ + fallthrough; case SISFB_GET_VBRSTATUS: if(sisfb_CheckVBRetrace(ivideo)) return put_user((u32)1, argp); @@ -1804,7 +1804,7 @@ static int sisfb_ioctl(struct fb_info *info, unsigned int cmd, if(ivideo->warncount++ < 10) printk(KERN_INFO "sisfb: Deprecated ioctl call received - update your application!\n"); - /* fall through */ + fallthrough; case SISFB_GET_AUTOMAXIMIZE: if(ivideo->sisfb_max) return put_user((u32)1, argp); @@ -1815,7 +1815,7 @@ static int sisfb_ioctl(struct fb_info *info, unsigned int cmd, if(ivideo->warncount++ < 10) printk(KERN_INFO "sisfb: Deprecated ioctl call received - update your application!\n"); - /* fall through */ + fallthrough; case SISFB_SET_AUTOMAXIMIZE: if(get_user(gpu32, argp)) return -EFAULT; diff --git a/drivers/video/fbdev/sm501fb.c b/drivers/video/fbdev/sm501fb.c index 3dd1b1d76e983a..6a52eba645596a 100644 --- a/drivers/video/fbdev/sm501fb.c +++ b/drivers/video/fbdev/sm501fb.c @@ -1005,7 +1005,7 @@ static int sm501fb_blank_crt(int blank_mode, struct fb_info *info) case FB_BLANK_POWERDOWN: ctrl &= ~SM501_DC_CRT_CONTROL_ENABLE; sm501_misc_control(fbi->dev->parent, SM501_MISC_DAC_POWER, 0); - /* fall through */ + fallthrough; case FB_BLANK_NORMAL: ctrl |= SM501_DC_CRT_CONTROL_BLANK; diff --git a/drivers/video/fbdev/stifb.c b/drivers/video/fbdev/stifb.c index de953ddb631243..265865610edc69 100644 --- a/drivers/video/fbdev/stifb.c +++ b/drivers/video/fbdev/stifb.c @@ -999,7 +999,7 @@ stifb_blank(int blank_mode, struct fb_info *info) case S9000_ID_HCRX: HYPER_ENABLE_DISABLE_DISPLAY(fb, enable); break; - case S9000_ID_A1659A: /* fall through */ + case S9000_ID_A1659A: case S9000_ID_TIMBER: case CRX24_OVERLAY_PLANES: default: @@ -1157,7 +1157,7 @@ static int __init stifb_init_fb(struct sti_struct *sti, int bpp_pref) dev_name); goto out_err0; } - /* fall through */ + fallthrough; case S9000_ID_ARTIST: case S9000_ID_HCRX: case S9000_ID_TIMBER: diff --git a/drivers/video/fbdev/tdfxfb.c b/drivers/video/fbdev/tdfxfb.c index f73e26c18c0901..f056d80f6359f2 100644 --- a/drivers/video/fbdev/tdfxfb.c +++ b/drivers/video/fbdev/tdfxfb.c @@ -523,7 +523,7 @@ static int tdfxfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) case 32: var->transp.offset = 24; var->transp.length = 8; - /* fall through */ + fallthrough; case 24: var->red.offset = 16; var->green.offset = 8; diff --git a/drivers/video/fbdev/vga16fb.c b/drivers/video/fbdev/vga16fb.c index a20eeb8308ffd3..578d3541e3d6f8 100644 --- a/drivers/video/fbdev/vga16fb.c +++ b/drivers/video/fbdev/vga16fb.c @@ -1121,7 +1121,7 @@ static void vga_8planes_imageblit(struct fb_info *info, const struct fb_image *i char oldop = setop(0); char oldsr = setsr(0); char oldmask = selectmask(); - const char *cdat = image->data; + const unsigned char *cdat = image->data; u32 dx = image->dx; char __iomem *where; int y; diff --git a/drivers/video/fbdev/via/lcd.c b/drivers/video/fbdev/via/lcd.c index 3fea01db58d630..4a869402d120d3 100644 --- a/drivers/video/fbdev/via/lcd.c +++ b/drivers/video/fbdev/via/lcd.c @@ -744,7 +744,7 @@ static void set_lcd_output_path(int set_iga, int output_interface) viaparinfo->chip_info->gfx_chip_name)) viafb_write_reg_mask(CR97, VIACR, 0x84, BIT7 + BIT2 + BIT1 + BIT0); - /* fall through */ + fallthrough; case INTERFACE_DVP0: case INTERFACE_DVP1: case INTERFACE_DFP_HIGH: diff --git a/drivers/video/fbdev/xen-fbfront.c b/drivers/video/fbdev/xen-fbfront.c index 00307b8693bf56..5ec51445bee882 100644 --- a/drivers/video/fbdev/xen-fbfront.c +++ b/drivers/video/fbdev/xen-fbfront.c @@ -677,7 +677,7 @@ static void xenfb_backend_changed(struct xenbus_device *dev, case XenbusStateClosed: if (dev->state == XenbusStateClosed) break; - /* fall through - Missed the backend's CLOSING state. */ + fallthrough; /* Missed the backend's CLOSING state */ case XenbusStateClosing: xenbus_frontend_closed(dev); break; diff --git a/drivers/watchdog/sc1200wdt.c b/drivers/watchdog/sc1200wdt.c index 9673eb12dacd06..f22ebe89fe137a 100644 --- a/drivers/watchdog/sc1200wdt.c +++ b/drivers/watchdog/sc1200wdt.c @@ -234,7 +234,7 @@ static long sc1200wdt_ioctl(struct file *file, unsigned int cmd, return -EINVAL; timeout = new_timeout; sc1200wdt_write_data(WDTO, timeout); - /* fall through - and return the new timeout */ + fallthrough; /* and return the new timeout */ case WDIOC_GETTIMEOUT: return put_user(timeout * 60, p); diff --git a/drivers/watchdog/wdrtas.c b/drivers/watchdog/wdrtas.c index 184a06a74f83a2..c00627825de88a 100644 --- a/drivers/watchdog/wdrtas.c +++ b/drivers/watchdog/wdrtas.c @@ -332,7 +332,7 @@ static long wdrtas_ioctl(struct file *file, unsigned int cmd, wdrtas_interval = i; else wdrtas_interval = wdrtas_get_interval(i); - /* fallthrough */ + fallthrough; case WDIOC_GETTIMEOUT: return put_user(wdrtas_interval, argp); diff --git a/drivers/xen/Kconfig b/drivers/xen/Kconfig index ea6c1e7e3e421a..41645fe6ad48a2 100644 --- a/drivers/xen/Kconfig +++ b/drivers/xen/Kconfig @@ -325,4 +325,14 @@ config XEN_HAVE_VPMU config XEN_FRONT_PGDIR_SHBUF tristate +config XEN_UNPOPULATED_ALLOC + bool "Use unpopulated memory ranges for guest mappings" + depends on X86 && ZONE_DEVICE + default XEN_BACKEND || XEN_GNTDEV || XEN_DOM0 + help + Use unpopulated memory ranges in order to create mappings for guest + memory regions, including grant maps and foreign pages. This avoids + having to balloon out RAM regions in order to obtain physical memory + space to create such mappings. + endmenu diff --git a/drivers/xen/Makefile b/drivers/xen/Makefile index c25c9a699b4837..babdca808861da 100644 --- a/drivers/xen/Makefile +++ b/drivers/xen/Makefile @@ -41,3 +41,4 @@ xen-gntdev-$(CONFIG_XEN_GNTDEV_DMABUF) += gntdev-dmabuf.o xen-gntalloc-y := gntalloc.o xen-privcmd-y := privcmd.o privcmd-buf.o obj-$(CONFIG_XEN_FRONT_PGDIR_SHBUF) += xen-front-pgdir-shbuf.o +obj-$(CONFIG_XEN_UNPOPULATED_ALLOC) += unpopulated-alloc.o diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c index 37ffccda8bb879..51427c752b37b9 100644 --- a/drivers/xen/balloon.c +++ b/drivers/xen/balloon.c @@ -653,7 +653,7 @@ void free_xenballooned_pages(int nr_pages, struct page **pages) } EXPORT_SYMBOL(free_xenballooned_pages); -#ifdef CONFIG_XEN_PV +#if defined(CONFIG_XEN_PV) && !defined(CONFIG_XEN_UNPOPULATED_ALLOC) static void __init balloon_add_region(unsigned long start_pfn, unsigned long pages) { @@ -707,7 +707,7 @@ static int __init balloon_init(void) register_sysctl_table(xen_root); #endif -#ifdef CONFIG_XEN_PV +#if defined(CONFIG_XEN_PV) && !defined(CONFIG_XEN_UNPOPULATED_ALLOC) { int i; diff --git a/drivers/xen/events/events_base.c b/drivers/xen/events/events_base.c index 140c7bf33a9899..6f02c18fa65c8d 100644 --- a/drivers/xen/events/events_base.c +++ b/drivers/xen/events/events_base.c @@ -92,6 +92,8 @@ static bool (*pirq_needs_eoi)(unsigned irq); /* Xen will never allocate port zero for any purpose. */ #define VALID_EVTCHN(chn) ((chn) != 0) +static struct irq_info *legacy_info_ptrs[NR_IRQS_LEGACY]; + static struct irq_chip xen_dynamic_chip; static struct irq_chip xen_percpu_chip; static struct irq_chip xen_pirq_chip; @@ -156,7 +158,18 @@ int get_evtchn_to_irq(evtchn_port_t evtchn) /* Get info for IRQ */ struct irq_info *info_for_irq(unsigned irq) { - return irq_get_handler_data(irq); + if (irq < nr_legacy_irqs()) + return legacy_info_ptrs[irq]; + else + return irq_get_chip_data(irq); +} + +static void set_info_for_irq(unsigned int irq, struct irq_info *info) +{ + if (irq < nr_legacy_irqs()) + legacy_info_ptrs[irq] = info; + else + irq_set_chip_data(irq, info); } /* Constructors for packed IRQ information. */ @@ -377,7 +390,7 @@ static void xen_irq_init(unsigned irq) info->type = IRQT_UNBOUND; info->refcnt = -1; - irq_set_handler_data(irq, info); + set_info_for_irq(irq, info); list_add_tail(&info->list, &xen_irq_list_head); } @@ -426,14 +439,14 @@ static int __must_check xen_allocate_irq_gsi(unsigned gsi) static void xen_free_irq(unsigned irq) { - struct irq_info *info = irq_get_handler_data(irq); + struct irq_info *info = info_for_irq(irq); if (WARN_ON(!info)) return; list_del(&info->list); - irq_set_handler_data(irq, NULL); + set_info_for_irq(irq, NULL); WARN_ON(info->refcnt > 0); @@ -603,7 +616,7 @@ EXPORT_SYMBOL_GPL(xen_irq_from_gsi); static void __unbind_from_irq(unsigned int irq) { evtchn_port_t evtchn = evtchn_from_irq(irq); - struct irq_info *info = irq_get_handler_data(irq); + struct irq_info *info = info_for_irq(irq); if (info->refcnt > 0) { info->refcnt--; @@ -1108,7 +1121,7 @@ int bind_ipi_to_irqhandler(enum ipi_vector ipi, void unbind_from_irqhandler(unsigned int irq, void *dev_id) { - struct irq_info *info = irq_get_handler_data(irq); + struct irq_info *info = info_for_irq(irq); if (WARN_ON(!info)) return; @@ -1142,7 +1155,7 @@ int evtchn_make_refcounted(evtchn_port_t evtchn) if (irq == -1) return -ENOENT; - info = irq_get_handler_data(irq); + info = info_for_irq(irq); if (!info) return -ENOENT; @@ -1170,7 +1183,7 @@ int evtchn_get(evtchn_port_t evtchn) if (irq == -1) goto done; - info = irq_get_handler_data(irq); + info = info_for_irq(irq); if (!info) goto done; diff --git a/drivers/xen/grant-table.c b/drivers/xen/grant-table.c index 8d06bf1cc3479c..523dcdf39cc944 100644 --- a/drivers/xen/grant-table.c +++ b/drivers/xen/grant-table.c @@ -801,7 +801,7 @@ int gnttab_alloc_pages(int nr_pages, struct page **pages) { int ret; - ret = alloc_xenballooned_pages(nr_pages, pages); + ret = xen_alloc_unpopulated_pages(nr_pages, pages); if (ret < 0) return ret; @@ -836,7 +836,7 @@ EXPORT_SYMBOL_GPL(gnttab_pages_clear_private); void gnttab_free_pages(int nr_pages, struct page **pages) { gnttab_pages_clear_private(nr_pages, pages); - free_xenballooned_pages(nr_pages, pages); + xen_free_unpopulated_pages(nr_pages, pages); } EXPORT_SYMBOL_GPL(gnttab_free_pages); diff --git a/drivers/xen/privcmd.c b/drivers/xen/privcmd.c index 63abe6c3642b57..b0c73c58f9874a 100644 --- a/drivers/xen/privcmd.c +++ b/drivers/xen/privcmd.c @@ -424,7 +424,7 @@ static int alloc_empty_pages(struct vm_area_struct *vma, int numpgs) if (pages == NULL) return -ENOMEM; - rc = alloc_xenballooned_pages(numpgs, pages); + rc = xen_alloc_unpopulated_pages(numpgs, pages); if (rc != 0) { pr_warn("%s Could not alloc %d pfns rc:%d\n", __func__, numpgs, rc); @@ -895,7 +895,7 @@ static void privcmd_close(struct vm_area_struct *vma) rc = xen_unmap_domain_gfn_range(vma, numgfns, pages); if (rc == 0) - free_xenballooned_pages(numpgs, pages); + xen_free_unpopulated_pages(numpgs, pages); else pr_crit("unable to unmap MFN range: leaking %d pages. rc=%d\n", numpgs, rc); diff --git a/drivers/xen/pvcalls-front.c b/drivers/xen/pvcalls-front.c index b43b5595e98802..72d725a0ab5ce1 100644 --- a/drivers/xen/pvcalls-front.c +++ b/drivers/xen/pvcalls-front.c @@ -1263,7 +1263,7 @@ static void pvcalls_front_changed(struct xenbus_device *dev, if (dev->state == XenbusStateClosed) break; /* Missed the backend's CLOSING state */ - /* fall through */ + fallthrough; case XenbusStateClosing: xenbus_frontend_closed(dev); break; diff --git a/drivers/xen/unpopulated-alloc.c b/drivers/xen/unpopulated-alloc.c new file mode 100644 index 00000000000000..3b98dc92142689 --- /dev/null +++ b/drivers/xen/unpopulated-alloc.c @@ -0,0 +1,183 @@ +// SPDX-License-Identifier: GPL-2.0 +#include <linux/errno.h> +#include <linux/gfp.h> +#include <linux/kernel.h> +#include <linux/mm.h> +#include <linux/memremap.h> +#include <linux/slab.h> + +#include <asm/page.h> + +#include <xen/page.h> +#include <xen/xen.h> + +static DEFINE_MUTEX(list_lock); +static LIST_HEAD(page_list); +static unsigned int list_count; + +static int fill_list(unsigned int nr_pages) +{ + struct dev_pagemap *pgmap; + void *vaddr; + unsigned int i, alloc_pages = round_up(nr_pages, PAGES_PER_SECTION); + int ret; + + pgmap = kzalloc(sizeof(*pgmap), GFP_KERNEL); + if (!pgmap) + return -ENOMEM; + + pgmap->type = MEMORY_DEVICE_GENERIC; + pgmap->res.name = "Xen scratch"; + pgmap->res.flags = IORESOURCE_MEM | IORESOURCE_BUSY; + + ret = allocate_resource(&iomem_resource, &pgmap->res, + alloc_pages * PAGE_SIZE, 0, -1, + PAGES_PER_SECTION * PAGE_SIZE, NULL, NULL); + if (ret < 0) { + pr_err("Cannot allocate new IOMEM resource\n"); + kfree(pgmap); + return ret; + } + +#ifdef CONFIG_XEN_HAVE_PVMMU + /* + * memremap will build page tables for the new memory so + * the p2m must contain invalid entries so the correct + * non-present PTEs will be written. + * + * If a failure occurs, the original (identity) p2m entries + * are not restored since this region is now known not to + * conflict with any devices. + */ + if (!xen_feature(XENFEAT_auto_translated_physmap)) { + xen_pfn_t pfn = PFN_DOWN(pgmap->res.start); + + for (i = 0; i < alloc_pages; i++) { + if (!set_phys_to_machine(pfn + i, INVALID_P2M_ENTRY)) { + pr_warn("set_phys_to_machine() failed, no memory added\n"); + release_resource(&pgmap->res); + kfree(pgmap); + return -ENOMEM; + } + } + } +#endif + + vaddr = memremap_pages(pgmap, NUMA_NO_NODE); + if (IS_ERR(vaddr)) { + pr_err("Cannot remap memory range\n"); + release_resource(&pgmap->res); + kfree(pgmap); + return PTR_ERR(vaddr); + } + + for (i = 0; i < alloc_pages; i++) { + struct page *pg = virt_to_page(vaddr + PAGE_SIZE * i); + + BUG_ON(!virt_addr_valid(vaddr + PAGE_SIZE * i)); + list_add(&pg->lru, &page_list); + list_count++; + } + + return 0; +} + +/** + * xen_alloc_unpopulated_pages - alloc unpopulated pages + * @nr_pages: Number of pages + * @pages: pages returned + * @return 0 on success, error otherwise + */ +int xen_alloc_unpopulated_pages(unsigned int nr_pages, struct page **pages) +{ + unsigned int i; + int ret = 0; + + mutex_lock(&list_lock); + if (list_count < nr_pages) { + ret = fill_list(nr_pages - list_count); + if (ret) + goto out; + } + + for (i = 0; i < nr_pages; i++) { + struct page *pg = list_first_entry_or_null(&page_list, + struct page, + lru); + + BUG_ON(!pg); + list_del(&pg->lru); + list_count--; + pages[i] = pg; + +#ifdef CONFIG_XEN_HAVE_PVMMU + if (!xen_feature(XENFEAT_auto_translated_physmap)) { + ret = xen_alloc_p2m_entry(page_to_pfn(pg)); + if (ret < 0) { + unsigned int j; + + for (j = 0; j <= i; j++) { + list_add(&pages[j]->lru, &page_list); + list_count++; + } + goto out; + } + } +#endif + } + +out: + mutex_unlock(&list_lock); + return ret; +} +EXPORT_SYMBOL(xen_alloc_unpopulated_pages); + +/** + * xen_free_unpopulated_pages - return unpopulated pages + * @nr_pages: Number of pages + * @pages: pages to return + */ +void xen_free_unpopulated_pages(unsigned int nr_pages, struct page **pages) +{ + unsigned int i; + + mutex_lock(&list_lock); + for (i = 0; i < nr_pages; i++) { + list_add(&pages[i]->lru, &page_list); + list_count++; + } + mutex_unlock(&list_lock); +} +EXPORT_SYMBOL(xen_free_unpopulated_pages); + +#ifdef CONFIG_XEN_PV +static int __init init(void) +{ + unsigned int i; + + if (!xen_domain()) + return -ENODEV; + + if (!xen_pv_domain()) + return 0; + + /* + * Initialize with pages from the extra memory regions (see + * arch/x86/xen/setup.c). + */ + for (i = 0; i < XEN_EXTRA_MEM_MAX_REGIONS; i++) { + unsigned int j; + + for (j = 0; j < xen_extra_mem[i].n_pfns; j++) { + struct page *pg = + pfn_to_page(xen_extra_mem[i].start_pfn + j); + + list_add(&pg->lru, &page_list); + list_count++; + } + } + + return 0; +} +subsys_initcall(init); +#endif diff --git a/drivers/xen/xen-acpi-memhotplug.c b/drivers/xen/xen-acpi-memhotplug.c index 7457213b89156a..f914b72557efb0 100644 --- a/drivers/xen/xen-acpi-memhotplug.c +++ b/drivers/xen/xen-acpi-memhotplug.c @@ -229,7 +229,7 @@ static void acpi_memory_device_notify(acpi_handle handle, u32 event, void *data) case ACPI_NOTIFY_BUS_CHECK: ACPI_DEBUG_PRINT((ACPI_DB_INFO, "\nReceived BUS CHECK notification for device\n")); - /* Fall Through */ + fallthrough; case ACPI_NOTIFY_DEVICE_CHECK: if (event == ACPI_NOTIFY_DEVICE_CHECK) ACPI_DEBUG_PRINT((ACPI_DB_INFO, diff --git a/drivers/xen/xen-pciback/xenbus.c b/drivers/xen/xen-pciback/xenbus.c index f2115587855f7d..b500466a6c371f 100644 --- a/drivers/xen/xen-pciback/xenbus.c +++ b/drivers/xen/xen-pciback/xenbus.c @@ -545,7 +545,7 @@ static void xen_pcibk_frontend_changed(struct xenbus_device *xdev, xenbus_switch_state(xdev, XenbusStateClosed); if (xenbus_dev_is_online(xdev)) break; - /* fall through - if not online */ + fallthrough; /* if not online */ case XenbusStateUnknown: dev_dbg(&xdev->dev, "frontend is gone! unregister device\n"); device_unregister(&xdev->dev); diff --git a/drivers/xen/xen-scsiback.c b/drivers/xen/xen-scsiback.c index 75c0a2e9a6db55..1e8cfd80a4e6b4 100644 --- a/drivers/xen/xen-scsiback.c +++ b/drivers/xen/xen-scsiback.c @@ -1185,7 +1185,7 @@ static void scsiback_frontend_changed(struct xenbus_device *dev, xenbus_switch_state(dev, XenbusStateClosed); if (xenbus_dev_is_online(dev)) break; - /* fall through - if not online */ + fallthrough; /* if not online */ case XenbusStateUnknown: device_unregister(&dev->dev); break; diff --git a/drivers/xen/xenbus/xenbus_client.c b/drivers/xen/xenbus/xenbus_client.c index 786fbb7d8be063..2690318ad50f48 100644 --- a/drivers/xen/xenbus/xenbus_client.c +++ b/drivers/xen/xenbus/xenbus_client.c @@ -379,8 +379,14 @@ int xenbus_grant_ring(struct xenbus_device *dev, void *vaddr, int i, j; for (i = 0; i < nr_pages; i++) { - err = gnttab_grant_foreign_access(dev->otherend_id, - virt_to_gfn(vaddr), 0); + unsigned long gfn; + + if (is_vmalloc_addr(vaddr)) + gfn = pfn_to_gfn(vmalloc_to_pfn(vaddr)); + else + gfn = virt_to_gfn(vaddr); + + err = gnttab_grant_foreign_access(dev->otherend_id, gfn, 0); if (err < 0) { xenbus_dev_fatal(dev, err, "granting access to ring page"); @@ -615,7 +621,7 @@ static int xenbus_map_ring_hvm(struct xenbus_device *dev, bool leaked = false; unsigned int nr_pages = XENBUS_PAGES(nr_grefs); - err = alloc_xenballooned_pages(nr_pages, node->hvm.pages); + err = xen_alloc_unpopulated_pages(nr_pages, node->hvm.pages); if (err) goto out_err; @@ -656,7 +662,7 @@ static int xenbus_map_ring_hvm(struct xenbus_device *dev, addr, nr_pages); out_free_ballooned_pages: if (!leaked) - free_xenballooned_pages(nr_pages, node->hvm.pages); + xen_free_unpopulated_pages(nr_pages, node->hvm.pages); out_err: return err; } @@ -852,7 +858,7 @@ static int xenbus_unmap_ring_hvm(struct xenbus_device *dev, void *vaddr) info.addrs); if (!rv) { vunmap(vaddr); - free_xenballooned_pages(nr_pages, node->hvm.pages); + xen_free_unpopulated_pages(nr_pages, node->hvm.pages); } else WARN(1, "Leaking %p, size %u page(s)\n", vaddr, nr_pages); diff --git a/drivers/xen/xenbus/xenbus_probe_frontend.c b/drivers/xen/xenbus/xenbus_probe_frontend.c index 15379089853bab..480944606a3c99 100644 --- a/drivers/xen/xenbus/xenbus_probe_frontend.c +++ b/drivers/xen/xenbus/xenbus_probe_frontend.c @@ -401,12 +401,12 @@ static void xenbus_reset_frontend(char *fe, char *be, int be_state) case XenbusStateConnected: xenbus_printf(XBT_NIL, fe, "state", "%d", XenbusStateClosing); xenbus_reset_wait_for_backend(be, XenbusStateClosing); - /* fall through */ + fallthrough; case XenbusStateClosing: xenbus_printf(XBT_NIL, fe, "state", "%d", XenbusStateClosed); xenbus_reset_wait_for_backend(be, XenbusStateClosed); - /* fall through */ + fallthrough; case XenbusStateClosed: xenbus_printf(XBT_NIL, fe, "state", "%d", XenbusStateInitialising); diff --git a/drivers/xen/xlate_mmu.c b/drivers/xen/xlate_mmu.c index 7b1077f0abcb08..34742c6e189e38 100644 --- a/drivers/xen/xlate_mmu.c +++ b/drivers/xen/xlate_mmu.c @@ -232,7 +232,7 @@ int __init xen_xlate_map_ballooned_pages(xen_pfn_t **gfns, void **virt, kfree(pages); return -ENOMEM; } - rc = alloc_xenballooned_pages(nr_pages, pages); + rc = xen_alloc_unpopulated_pages(nr_pages, pages); if (rc) { pr_warn("%s Couldn't balloon alloc %ld pages rc:%d\n", __func__, nr_pages, rc); @@ -249,7 +249,7 @@ int __init xen_xlate_map_ballooned_pages(xen_pfn_t **gfns, void **virt, if (!vaddr) { pr_warn("%s Couldn't map %ld pages rc:%d\n", __func__, nr_pages, rc); - free_xenballooned_pages(nr_pages, pages); + xen_free_unpopulated_pages(nr_pages, pages); kfree(pages); kfree(pfns); return -ENOMEM; diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c index 92cd1d80218d70..3576123d82990e 100644 --- a/fs/9p/vfs_file.c +++ b/fs/9p/vfs_file.c @@ -213,7 +213,7 @@ static int v9fs_file_do_lock(struct file *filp, int cmd, struct file_lock *fl) break; default: WARN_ONCE(1, "unknown lock status code: %d\n", status); - /* fall through */ + fallthrough; case P9_LOCK_ERROR: case P9_LOCK_GRACE: res = -ENOLCK; diff --git a/fs/adfs/dir_f.c b/fs/adfs/dir_f.c index 30d526fecc3f40..05e963402e25f0 100644 --- a/fs/adfs/dir_f.c +++ b/fs/adfs/dir_f.c @@ -18,11 +18,11 @@ static inline unsigned int adfs_readval(unsigned char *p, int len) switch (len) { case 4: val |= p[3] << 24; - /* fall through */ + fallthrough; case 3: val |= p[2] << 16; - /* fall through */ + fallthrough; case 2: val |= p[1] << 8; - /* fall through */ + fallthrough; default: val |= p[0]; } return val; @@ -32,11 +32,11 @@ static inline void adfs_writeval(unsigned char *p, int len, unsigned int val) { switch (len) { case 4: p[3] = val >> 24; - /* fall through */ + fallthrough; case 3: p[2] = val >> 16; - /* fall through */ + fallthrough; case 2: p[1] = val >> 8; - /* fall through */ + fallthrough; default: p[0] = val; } } diff --git a/fs/affs/amigaffs.c b/fs/affs/amigaffs.c index f708c45d5f664d..29f11e10a7c7d2 100644 --- a/fs/affs/amigaffs.c +++ b/fs/affs/amigaffs.c @@ -420,24 +420,51 @@ affs_mode_to_prot(struct inode *inode) u32 prot = AFFS_I(inode)->i_protect; umode_t mode = inode->i_mode; + /* + * First, clear all RWED bits for owner, group, other. + * Then, recalculate them afresh. + * + * We'll always clear the delete-inhibit bit for the owner, as that is + * the classic single-user mode AmigaOS protection bit and we need to + * stay compatible with all scenarios. + * + * Since multi-user AmigaOS is an extension, we'll only set the + * delete-allow bit if any of the other bits in the same user class + * (group/other) are used. + */ + prot &= ~(FIBF_NOEXECUTE | FIBF_NOREAD + | FIBF_NOWRITE | FIBF_NODELETE + | FIBF_GRP_EXECUTE | FIBF_GRP_READ + | FIBF_GRP_WRITE | FIBF_GRP_DELETE + | FIBF_OTR_EXECUTE | FIBF_OTR_READ + | FIBF_OTR_WRITE | FIBF_OTR_DELETE); + + /* Classic single-user AmigaOS flags. These are inverted. */ if (!(mode & 0100)) prot |= FIBF_NOEXECUTE; if (!(mode & 0400)) prot |= FIBF_NOREAD; if (!(mode & 0200)) prot |= FIBF_NOWRITE; + + /* Multi-user extended flags. Not inverted. */ if (mode & 0010) prot |= FIBF_GRP_EXECUTE; if (mode & 0040) prot |= FIBF_GRP_READ; if (mode & 0020) prot |= FIBF_GRP_WRITE; + if (mode & 0070) + prot |= FIBF_GRP_DELETE; + if (mode & 0001) prot |= FIBF_OTR_EXECUTE; if (mode & 0004) prot |= FIBF_OTR_READ; if (mode & 0002) prot |= FIBF_OTR_WRITE; + if (mode & 0007) + prot |= FIBF_OTR_DELETE; AFFS_I(inode)->i_protect = prot; } diff --git a/fs/affs/file.c b/fs/affs/file.c index a26a0f96c1197a..d91b0133d95da5 100644 --- a/fs/affs/file.c +++ b/fs/affs/file.c @@ -429,6 +429,24 @@ static int affs_write_begin(struct file *file, struct address_space *mapping, return ret; } +static int affs_write_end(struct file *file, struct address_space *mapping, + loff_t pos, unsigned int len, unsigned int copied, + struct page *page, void *fsdata) +{ + struct inode *inode = mapping->host; + int ret; + + ret = generic_write_end(file, mapping, pos, len, copied, page, fsdata); + + /* Clear Archived bit on file writes, as AmigaOS would do */ + if (AFFS_I(inode)->i_protect & FIBF_ARCHIVED) { + AFFS_I(inode)->i_protect &= ~FIBF_ARCHIVED; + mark_inode_dirty(inode); + } + + return ret; +} + static sector_t _affs_bmap(struct address_space *mapping, sector_t block) { return generic_block_bmap(mapping,block,affs_get_block); @@ -438,7 +456,7 @@ const struct address_space_operations affs_aops = { .readpage = affs_readpage, .writepage = affs_writepage, .write_begin = affs_write_begin, - .write_end = generic_write_end, + .write_end = affs_write_end, .direct_IO = affs_direct_IO, .bmap = _affs_bmap }; @@ -795,6 +813,12 @@ done: if (tmp > inode->i_size) inode->i_size = AFFS_I(inode)->mmu_private = tmp; + /* Clear Archived bit on file writes, as AmigaOS would do */ + if (AFFS_I(inode)->i_protect & FIBF_ARCHIVED) { + AFFS_I(inode)->i_protect &= ~FIBF_ARCHIVED; + mark_inode_dirty(inode); + } + err_first_bh: unlock_page(page); put_page(page); diff --git a/fs/affs/inode.c b/fs/affs/inode.c index a346cf7659f198..044412110b5235 100644 --- a/fs/affs/inode.c +++ b/fs/affs/inode.c @@ -93,7 +93,7 @@ struct inode *affs_iget(struct super_block *sb, unsigned long ino) case ST_ROOT: inode->i_uid = sbi->s_uid; inode->i_gid = sbi->s_gid; - /* fall through */ + fallthrough; case ST_USERDIR: if (be32_to_cpu(tail->stype) == ST_USERDIR || affs_test_opt(sbi->s_flags, SF_SETMODE)) { diff --git a/fs/affs/super.c b/fs/affs/super.c index 47107c6712a613..a100cd9950c889 100644 --- a/fs/affs/super.c +++ b/fs/affs/super.c @@ -474,7 +474,7 @@ got_root: case MUFS_INTLFFS: case MUFS_DCFFS: affs_set_opt(sbi->s_flags, SF_MUFS); - /* fall thru */ + fallthrough; case FS_INTLFFS: case FS_DCFFS: affs_set_opt(sbi->s_flags, SF_INTL); @@ -486,7 +486,7 @@ got_root: break; case MUFS_OFS: affs_set_opt(sbi->s_flags, SF_MUFS); - /* fall through */ + fallthrough; case FS_OFS: affs_set_opt(sbi->s_flags, SF_OFS); sb->s_flags |= SB_NOEXEC; @@ -494,7 +494,7 @@ got_root: case MUFS_DCOFS: case MUFS_INTLOFS: affs_set_opt(sbi->s_flags, SF_MUFS); - /* fall through */ + fallthrough; case FS_DCOFS: case FS_INTLOFS: affs_set_opt(sbi->s_flags, SF_INTL); diff --git a/fs/afs/cmservice.c b/fs/afs/cmservice.c index bef413818af739..a4e9e6e07e9397 100644 --- a/fs/afs/cmservice.c +++ b/fs/afs/cmservice.c @@ -252,7 +252,7 @@ static int afs_deliver_cb_callback(struct afs_call *call) call->unmarshall++; /* extract the FID array and its count in two steps */ - /* fall through */ + fallthrough; case 1: _debug("extract FID count"); ret = afs_extract_data(call, true); @@ -271,7 +271,7 @@ static int afs_deliver_cb_callback(struct afs_call *call) afs_extract_to_buf(call, call->count * 3 * 4); call->unmarshall++; - /* Fall through */ + fallthrough; case 2: _debug("extract FID array"); ret = afs_extract_data(call, true); @@ -297,7 +297,7 @@ static int afs_deliver_cb_callback(struct afs_call *call) call->unmarshall++; /* extract the callback array and its count in two steps */ - /* fall through */ + fallthrough; case 3: _debug("extract CB count"); ret = afs_extract_data(call, true); @@ -312,7 +312,7 @@ static int afs_deliver_cb_callback(struct afs_call *call) iov_iter_discard(&call->def_iter, READ, call->count2 * 3 * 4); call->unmarshall++; - /* Fall through */ + fallthrough; case 4: _debug("extract discard %zu/%u", iov_iter_count(call->iter), call->count2 * 3 * 4); @@ -391,7 +391,7 @@ static int afs_deliver_cb_init_call_back_state3(struct afs_call *call) afs_extract_to_buf(call, 11 * sizeof(__be32)); call->unmarshall++; - /* Fall through */ + fallthrough; case 1: _debug("extract UUID"); ret = afs_extract_data(call, false); @@ -503,7 +503,7 @@ static int afs_deliver_cb_probe_uuid(struct afs_call *call) afs_extract_to_buf(call, 11 * sizeof(__be32)); call->unmarshall++; - /* Fall through */ + fallthrough; case 1: _debug("extract UUID"); ret = afs_extract_data(call, false); @@ -618,7 +618,7 @@ static int afs_deliver_yfs_cb_callback(struct afs_call *call) call->unmarshall++; /* extract the FID array and its count in two steps */ - /* Fall through */ + fallthrough; case 1: _debug("extract FID count"); ret = afs_extract_data(call, true); @@ -637,7 +637,7 @@ static int afs_deliver_yfs_cb_callback(struct afs_call *call) afs_extract_to_buf(call, size); call->unmarshall++; - /* Fall through */ + fallthrough; case 2: _debug("extract FID array"); ret = afs_extract_data(call, false); diff --git a/fs/afs/file.c b/fs/afs/file.c index 6f6ed1605cfe30..371d1488cc549d 100644 --- a/fs/afs/file.c +++ b/fs/afs/file.c @@ -311,7 +311,7 @@ int afs_page_filler(void *data, struct page *page) case -ENOBUFS: _debug("cache said ENOBUFS"); - /* fall through */ + fallthrough; default: go_on: req = kzalloc(struct_size(req, array, 1), GFP_KERNEL); diff --git a/fs/afs/flock.c b/fs/afs/flock.c index ffb8575345ca74..cb3054c7843ea4 100644 --- a/fs/afs/flock.c +++ b/fs/afs/flock.c @@ -376,7 +376,6 @@ again: spin_unlock(&vnode->lock); return; - /* Fall through */ default: /* Looks like a lock request was withdrawn. */ spin_unlock(&vnode->lock); diff --git a/fs/afs/fs_probe.c b/fs/afs/fs_probe.c index 5d9ef517cf8162..e7e98ad63a91ae 100644 --- a/fs/afs/fs_probe.c +++ b/fs/afs/fs_probe.c @@ -161,8 +161,8 @@ responded: } } - rtt_us = rxrpc_kernel_get_srtt(call->net->socket, call->rxcall); - if (rtt_us < server->probe.rtt) { + if (rxrpc_kernel_get_srtt(call->net->socket, call->rxcall, &rtt_us) && + rtt_us < server->probe.rtt) { server->probe.rtt = rtt_us; server->rtt = rtt_us; alist->preferred = index; diff --git a/fs/afs/fsclient.c b/fs/afs/fsclient.c index acb4d0ca264908..1d95ed9dd86e60 100644 --- a/fs/afs/fsclient.c +++ b/fs/afs/fsclient.c @@ -320,7 +320,7 @@ static int afs_deliver_fs_fetch_data(struct afs_call *call) call->tmp_u = htonl(0); afs_extract_to_tmp(call); } - /* Fall through */ + fallthrough; /* extract the returned data length */ case 1: @@ -348,7 +348,7 @@ static int afs_deliver_fs_fetch_data(struct afs_call *call) call->bvec[0].bv_page = req->pages[req->index]; iov_iter_bvec(&call->def_iter, READ, call->bvec, 1, size); ASSERTCMP(size, <=, PAGE_SIZE); - /* Fall through */ + fallthrough; /* extract the returned data */ case 2: @@ -375,7 +375,7 @@ static int afs_deliver_fs_fetch_data(struct afs_call *call) /* Discard any excess data the server gave us */ afs_extract_discard(call, req->actual_len - req->len); call->unmarshall = 3; - /* Fall through */ + fallthrough; case 3: _debug("extract discard %zu/%llu", @@ -388,7 +388,7 @@ static int afs_deliver_fs_fetch_data(struct afs_call *call) no_more_data: call->unmarshall = 4; afs_extract_to_buf(call, (21 + 3 + 6) * 4); - /* Fall through */ + fallthrough; /* extract the metadata */ case 4: @@ -1343,7 +1343,7 @@ static int afs_deliver_fs_get_volume_status(struct afs_call *call) case 0: call->unmarshall++; afs_extract_to_buf(call, 12 * 4); - /* Fall through */ + fallthrough; /* extract the returned status record */ case 1: @@ -1356,7 +1356,7 @@ static int afs_deliver_fs_get_volume_status(struct afs_call *call) xdr_decode_AFSFetchVolumeStatus(&bp, &op->volstatus.vs); call->unmarshall++; afs_extract_to_tmp(call); - /* Fall through */ + fallthrough; /* extract the volume name length */ case 2: @@ -1371,7 +1371,7 @@ static int afs_deliver_fs_get_volume_status(struct afs_call *call) size = (call->count + 3) & ~3; /* It's padded */ afs_extract_to_buf(call, size); call->unmarshall++; - /* Fall through */ + fallthrough; /* extract the volume name */ case 3: @@ -1385,7 +1385,7 @@ static int afs_deliver_fs_get_volume_status(struct afs_call *call) _debug("volname '%s'", p); afs_extract_to_tmp(call); call->unmarshall++; - /* Fall through */ + fallthrough; /* extract the offline message length */ case 4: @@ -1400,7 +1400,7 @@ static int afs_deliver_fs_get_volume_status(struct afs_call *call) size = (call->count + 3) & ~3; /* It's padded */ afs_extract_to_buf(call, size); call->unmarshall++; - /* Fall through */ + fallthrough; /* extract the offline message */ case 5: @@ -1415,7 +1415,7 @@ static int afs_deliver_fs_get_volume_status(struct afs_call *call) afs_extract_to_tmp(call); call->unmarshall++; - /* Fall through */ + fallthrough; /* extract the message of the day length */ case 6: @@ -1430,7 +1430,7 @@ static int afs_deliver_fs_get_volume_status(struct afs_call *call) size = (call->count + 3) & ~3; /* It's padded */ afs_extract_to_buf(call, size); call->unmarshall++; - /* Fall through */ + fallthrough; /* extract the message of the day */ case 7: @@ -1682,7 +1682,7 @@ static int afs_deliver_fs_get_capabilities(struct afs_call *call) case 0: afs_extract_to_tmp(call); call->unmarshall++; - /* Fall through */ + fallthrough; /* Extract the capabilities word count */ case 1: @@ -1696,7 +1696,7 @@ static int afs_deliver_fs_get_capabilities(struct afs_call *call) call->count2 = count; afs_extract_discard(call, count * sizeof(__be32)); call->unmarshall++; - /* Fall through */ + fallthrough; /* Extract capabilities words */ case 2: @@ -1776,7 +1776,7 @@ static int afs_deliver_fs_inline_bulk_status(struct afs_call *call) case 0: afs_extract_to_tmp(call); call->unmarshall++; - /* Fall through */ + fallthrough; /* Extract the file status count and array in two steps */ case 1: @@ -1794,7 +1794,7 @@ static int afs_deliver_fs_inline_bulk_status(struct afs_call *call) call->unmarshall++; more_counts: afs_extract_to_buf(call, 21 * sizeof(__be32)); - /* Fall through */ + fallthrough; case 2: _debug("extract status array %u", call->count); @@ -1824,7 +1824,7 @@ static int afs_deliver_fs_inline_bulk_status(struct afs_call *call) call->count = 0; call->unmarshall++; afs_extract_to_tmp(call); - /* Fall through */ + fallthrough; /* Extract the callback count and array in two steps */ case 3: @@ -1841,7 +1841,7 @@ static int afs_deliver_fs_inline_bulk_status(struct afs_call *call) call->unmarshall++; more_cbs: afs_extract_to_buf(call, 3 * sizeof(__be32)); - /* Fall through */ + fallthrough; case 4: _debug("extract CB array"); @@ -1870,7 +1870,7 @@ static int afs_deliver_fs_inline_bulk_status(struct afs_call *call) afs_extract_to_buf(call, 6 * sizeof(__be32)); call->unmarshall++; - /* Fall through */ + fallthrough; case 5: ret = afs_extract_data(call, false); @@ -1974,7 +1974,7 @@ static int afs_deliver_fs_fetch_acl(struct afs_call *call) case 0: afs_extract_to_tmp(call); call->unmarshall++; - /* Fall through */ + fallthrough; /* extract the returned data length */ case 1: @@ -1992,7 +1992,7 @@ static int afs_deliver_fs_fetch_acl(struct afs_call *call) acl->size = call->count2; afs_extract_begin(call, acl->data, size); call->unmarshall++; - /* Fall through */ + fallthrough; /* extract the returned data */ case 2: @@ -2002,7 +2002,7 @@ static int afs_deliver_fs_fetch_acl(struct afs_call *call) afs_extract_to_buf(call, (21 + 6) * 4); call->unmarshall++; - /* Fall through */ + fallthrough; /* extract the metadata */ case 3: diff --git a/fs/afs/inode.c b/fs/afs/inode.c index 1d13d2e882ada5..0fe8844b4bee2f 100644 --- a/fs/afs/inode.c +++ b/fs/afs/inode.c @@ -810,14 +810,32 @@ void afs_evict_inode(struct inode *inode) static void afs_setattr_success(struct afs_operation *op) { - struct inode *inode = &op->file[0].vnode->vfs_inode; + struct afs_vnode_param *vp = &op->file[0]; + struct inode *inode = &vp->vnode->vfs_inode; + loff_t old_i_size = i_size_read(inode); + + op->setattr.old_i_size = old_i_size; + afs_vnode_commit_status(op, vp); + /* inode->i_size has now been changed. */ + + if (op->setattr.attr->ia_valid & ATTR_SIZE) { + loff_t size = op->setattr.attr->ia_size; + if (size > old_i_size) + pagecache_isize_extended(inode, old_i_size, size); + } +} + +static void afs_setattr_edit_file(struct afs_operation *op) +{ + struct afs_vnode_param *vp = &op->file[0]; + struct inode *inode = &vp->vnode->vfs_inode; - afs_vnode_commit_status(op, &op->file[0]); if (op->setattr.attr->ia_valid & ATTR_SIZE) { - loff_t i_size = inode->i_size, size = op->setattr.attr->ia_size; - if (size > i_size) - pagecache_isize_extended(inode, i_size, size); - truncate_pagecache(inode, size); + loff_t size = op->setattr.attr->ia_size; + loff_t i_size = op->setattr.old_i_size; + + if (size < i_size) + truncate_pagecache(inode, size); } } @@ -825,6 +843,7 @@ static const struct afs_operation_ops afs_setattr_operation = { .issue_afs_rpc = afs_fs_setattr, .issue_yfs_rpc = yfs_fs_setattr, .success = afs_setattr_success, + .edit_dir = afs_setattr_edit_file, }; /* @@ -863,11 +882,16 @@ int afs_setattr(struct dentry *dentry, struct iattr *attr) if (S_ISREG(vnode->vfs_inode.i_mode)) filemap_write_and_wait(vnode->vfs_inode.i_mapping); + /* Prevent any new writebacks from starting whilst we do this. */ + down_write(&vnode->validate_lock); + op = afs_alloc_operation(((attr->ia_valid & ATTR_FILE) ? afs_file_key(attr->ia_file) : NULL), vnode->volume); - if (IS_ERR(op)) - return PTR_ERR(op); + if (IS_ERR(op)) { + ret = PTR_ERR(op); + goto out_unlock; + } afs_op_set_vnode(op, 0, vnode); op->setattr.attr = attr; @@ -880,5 +904,10 @@ int afs_setattr(struct dentry *dentry, struct iattr *attr) op->file[0].update_ctime = 1; op->ops = &afs_setattr_operation; - return afs_do_sync_operation(op); + ret = afs_do_sync_operation(op); + +out_unlock: + up_write(&vnode->validate_lock); + _leave(" = %d", ret); + return ret; } diff --git a/fs/afs/internal.h b/fs/afs/internal.h index 792ac711985eb5..e5f0446f27e5f3 100644 --- a/fs/afs/internal.h +++ b/fs/afs/internal.h @@ -401,22 +401,24 @@ struct afs_vlserver { #define AFS_VLSERVER_FL_PROBED 0 /* The VL server has been probed */ #define AFS_VLSERVER_FL_PROBING 1 /* VL server is being probed */ #define AFS_VLSERVER_FL_IS_YFS 2 /* Server is YFS not AFS */ +#define AFS_VLSERVER_FL_RESPONDING 3 /* VL server is responding */ rwlock_t lock; /* Lock on addresses */ atomic_t usage; + unsigned int rtt; /* Server's current RTT in uS */ /* Probe state */ wait_queue_head_t probe_wq; atomic_t probe_outstanding; spinlock_t probe_lock; struct { - unsigned int rtt; /* RTT as ktime/64 */ + unsigned int rtt; /* RTT in uS */ u32 abort_code; short error; - bool have_result; - bool responded:1; - bool is_yfs:1; - bool not_yfs:1; - bool local_failure:1; + unsigned short flags; +#define AFS_VLSERVER_PROBE_RESPONDED 0x01 /* At least once response (may be abort) */ +#define AFS_VLSERVER_PROBE_IS_YFS 0x02 /* The peer appears to be YFS */ +#define AFS_VLSERVER_PROBE_NOT_YFS 0x04 /* The peer appears not to be YFS */ +#define AFS_VLSERVER_PROBE_LOCAL_FAILURE 0x08 /* A local failure prevented a probe */ } probe; u16 port; @@ -810,6 +812,7 @@ struct afs_operation { } store; struct { struct iattr *attr; + loff_t old_i_size; } setattr; struct afs_acl *acl; struct yfs_acl *yacl; diff --git a/fs/afs/misc.c b/fs/afs/misc.c index 5334f1bd2bca7c..1d1a8debe4723e 100644 --- a/fs/afs/misc.c +++ b/fs/afs/misc.c @@ -120,42 +120,42 @@ void afs_prioritise_error(struct afs_error *e, int error, u32 abort_code) if (e->error == -ETIMEDOUT || e->error == -ETIME) return; - /* Fall through */ + fallthrough; case -ETIMEDOUT: case -ETIME: if (e->error == -ENOMEM || e->error == -ENONET) return; - /* Fall through */ + fallthrough; case -ENOMEM: case -ENONET: if (e->error == -ERFKILL) return; - /* Fall through */ + fallthrough; case -ERFKILL: if (e->error == -EADDRNOTAVAIL) return; - /* Fall through */ + fallthrough; case -EADDRNOTAVAIL: if (e->error == -ENETUNREACH) return; - /* Fall through */ + fallthrough; case -ENETUNREACH: if (e->error == -EHOSTUNREACH) return; - /* Fall through */ + fallthrough; case -EHOSTUNREACH: if (e->error == -EHOSTDOWN) return; - /* Fall through */ + fallthrough; case -EHOSTDOWN: if (e->error == -ECONNREFUSED) return; - /* Fall through */ + fallthrough; case -ECONNREFUSED: if (e->error == -ECONNRESET) return; - /* Fall through */ + fallthrough; case -ECONNRESET: /* Responded, but call expired. */ if (e->responded) return; diff --git a/fs/afs/proc.c b/fs/afs/proc.c index e817fc740ba019..e8babb62ed4423 100644 --- a/fs/afs/proc.c +++ b/fs/afs/proc.c @@ -310,6 +310,11 @@ static int afs_proc_cell_vlservers_show(struct seq_file *m, void *v) alist->preferred == i ? '>' : '-', &alist->addrs[i].transport); } + seq_printf(m, " info: fl=%lx rtt=%d\n", vlserver->flags, vlserver->rtt); + seq_printf(m, " probe: fl=%x e=%d ac=%d out=%d\n", + vlserver->probe.flags, vlserver->probe.error, + vlserver->probe.abort_code, + atomic_read(&vlserver->probe_outstanding)); return 0; } diff --git a/fs/afs/rotate.c b/fs/afs/rotate.c index 6a0935cb822f3a..d83f13c44b9213 100644 --- a/fs/afs/rotate.c +++ b/fs/afs/rotate.c @@ -281,7 +281,7 @@ bool afs_select_fileserver(struct afs_operation *op) case -ETIME: if (op->error != -EDESTADDRREQ) goto iterate_address; - /* Fall through */ + fallthrough; case -ERFKILL: case -EADDRNOTAVAIL: case -ENETUNREACH: diff --git a/fs/afs/rxrpc.c b/fs/afs/rxrpc.c index 8fc8fb406a5a2b..8be709cb8542aa 100644 --- a/fs/afs/rxrpc.c +++ b/fs/afs/rxrpc.c @@ -568,7 +568,7 @@ static void afs_deliver_to_call(struct afs_call *call) case -EIO: pr_err("kAFS: Call %u in bad state %u\n", call->debug_id, state); - /* Fall through */ + fallthrough; case -ENODATA: case -EBADMSG: case -EMSGSIZE: @@ -669,7 +669,7 @@ long afs_wait_for_call_to_complete(struct afs_call *call, ret = call->ret0; call->ret0 = 0; - /* Fall through */ + fallthrough; case -ECONNABORTED: ac->responded = true; break; @@ -872,7 +872,7 @@ void afs_send_empty_reply(struct afs_call *call) _debug("oom"); rxrpc_kernel_abort_call(net->socket, call->rxcall, RX_USER_ABORT, -ENOMEM, "KOO"); - /* Fall through */ + fallthrough; default: _leave(" [error]"); return; diff --git a/fs/afs/vl_list.c b/fs/afs/vl_list.c index 8fea54eba0c2b2..38b2ba1d9ec0df 100644 --- a/fs/afs/vl_list.c +++ b/fs/afs/vl_list.c @@ -21,6 +21,7 @@ struct afs_vlserver *afs_alloc_vlserver(const char *name, size_t name_len, rwlock_init(&vlserver->lock); init_waitqueue_head(&vlserver->probe_wq); spin_lock_init(&vlserver->probe_lock); + vlserver->rtt = UINT_MAX; vlserver->name_len = name_len; vlserver->port = port; memcpy(vlserver->name, name, name_len); diff --git a/fs/afs/vl_probe.c b/fs/afs/vl_probe.c index e3aa013c217792..d1c7068b4346f4 100644 --- a/fs/afs/vl_probe.c +++ b/fs/afs/vl_probe.c @@ -11,15 +11,33 @@ #include "internal.h" #include "protocol_yfs.h" -static bool afs_vl_probe_done(struct afs_vlserver *server) + +/* + * Handle the completion of a set of probes. + */ +static void afs_finished_vl_probe(struct afs_vlserver *server) { - if (!atomic_dec_and_test(&server->probe_outstanding)) - return false; + if (!(server->probe.flags & AFS_VLSERVER_PROBE_RESPONDED)) { + server->rtt = UINT_MAX; + clear_bit(AFS_VLSERVER_FL_RESPONDING, &server->flags); + } - wake_up_var(&server->probe_outstanding); clear_bit_unlock(AFS_VLSERVER_FL_PROBING, &server->flags); wake_up_bit(&server->flags, AFS_VLSERVER_FL_PROBING); - return true; +} + +/* + * Handle the completion of a probe RPC call. + */ +static void afs_done_one_vl_probe(struct afs_vlserver *server, bool wake_up) +{ + if (atomic_dec_and_test(&server->probe_outstanding)) { + afs_finished_vl_probe(server); + wake_up = true; + } + + if (wake_up) + wake_up_all(&server->probe_wq); } /* @@ -45,15 +63,20 @@ void afs_vlserver_probe_result(struct afs_call *call) server->probe.error = 0; goto responded; case -ECONNABORTED: - if (!server->probe.responded) { + if (!(server->probe.flags & AFS_VLSERVER_PROBE_RESPONDED)) { server->probe.abort_code = call->abort_code; server->probe.error = ret; } goto responded; case -ENOMEM: case -ENONET: - server->probe.local_failure = true; - afs_io_error(call, afs_io_error_vl_probe_fail); + case -EKEYEXPIRED: + case -EKEYREVOKED: + case -EKEYREJECTED: + server->probe.flags |= AFS_VLSERVER_PROBE_LOCAL_FAILURE; + if (server->probe.error == 0) + server->probe.error = ret; + trace_afs_io_error(call->debug_id, ret, afs_io_error_vl_probe_fail); goto out; case -ECONNRESET: /* Responded, but call expired. */ case -ERFKILL: @@ -67,12 +90,12 @@ void afs_vlserver_probe_result(struct afs_call *call) default: clear_bit(index, &alist->responded); set_bit(index, &alist->failed); - if (!server->probe.responded && + if (!(server->probe.flags & AFS_VLSERVER_PROBE_RESPONDED) && (server->probe.error == 0 || server->probe.error == -ETIMEDOUT || server->probe.error == -ETIME)) server->probe.error = ret; - afs_io_error(call, afs_io_error_vl_probe_fail); + trace_afs_io_error(call->debug_id, ret, afs_io_error_vl_probe_fail); goto out; } @@ -81,39 +104,36 @@ responded: clear_bit(index, &alist->failed); if (call->service_id == YFS_VL_SERVICE) { - server->probe.is_yfs = true; + server->probe.flags |= AFS_VLSERVER_PROBE_IS_YFS; set_bit(AFS_VLSERVER_FL_IS_YFS, &server->flags); alist->addrs[index].srx_service = call->service_id; } else { - server->probe.not_yfs = true; - if (!server->probe.is_yfs) { + server->probe.flags |= AFS_VLSERVER_PROBE_NOT_YFS; + if (!(server->probe.flags & AFS_VLSERVER_PROBE_IS_YFS)) { clear_bit(AFS_VLSERVER_FL_IS_YFS, &server->flags); alist->addrs[index].srx_service = call->service_id; } } - rtt_us = rxrpc_kernel_get_srtt(call->net->socket, call->rxcall); - if (rtt_us < server->probe.rtt) { + if (rxrpc_kernel_get_srtt(call->net->socket, call->rxcall, &rtt_us) && + rtt_us < server->probe.rtt) { server->probe.rtt = rtt_us; + server->rtt = rtt_us; alist->preferred = index; - have_result = true; } smp_wmb(); /* Set rtt before responded. */ - server->probe.responded = true; + server->probe.flags |= AFS_VLSERVER_PROBE_RESPONDED; set_bit(AFS_VLSERVER_FL_PROBED, &server->flags); + set_bit(AFS_VLSERVER_FL_RESPONDING, &server->flags); + have_result = true; out: spin_unlock(&server->probe_lock); _debug("probe [%u][%u] %pISpc rtt=%u ret=%d", server_index, index, &alist->addrs[index].transport, rtt_us, ret); - have_result |= afs_vl_probe_done(server); - if (have_result) { - server->probe.have_result = true; - wake_up_var(&server->probe.have_result); - wake_up_all(&server->probe_wq); - } + afs_done_one_vl_probe(server, have_result); } /* @@ -151,11 +171,10 @@ static bool afs_do_probe_vlserver(struct afs_net *net, in_progress = true; } else { afs_prioritise_error(_e, PTR_ERR(call), ac.abort_code); + afs_done_one_vl_probe(server, false); } } - if (!in_progress) - afs_vl_probe_done(server); return in_progress; } @@ -193,7 +212,7 @@ int afs_wait_for_vl_probes(struct afs_vlserver_list *vllist, { struct wait_queue_entry *waits; struct afs_vlserver *server; - unsigned int rtt = UINT_MAX; + unsigned int rtt = UINT_MAX, rtt_s; bool have_responders = false; int pref = -1, i; @@ -205,7 +224,7 @@ int afs_wait_for_vl_probes(struct afs_vlserver_list *vllist, server = vllist->servers[i].server; if (!test_bit(AFS_VLSERVER_FL_PROBING, &server->flags)) __clear_bit(i, &untried); - if (server->probe.responded) + if (server->probe.flags & AFS_VLSERVER_PROBE_RESPONDED) have_responders = true; } } @@ -231,7 +250,7 @@ int afs_wait_for_vl_probes(struct afs_vlserver_list *vllist, for (i = 0; i < vllist->nr_servers; i++) { if (test_bit(i, &untried)) { server = vllist->servers[i].server; - if (server->probe.responded) + if (server->probe.flags & AFS_VLSERVER_PROBE_RESPONDED) goto stop; if (test_bit(AFS_VLSERVER_FL_PROBING, &server->flags)) still_probing = true; @@ -249,10 +268,11 @@ stop: for (i = 0; i < vllist->nr_servers; i++) { if (test_bit(i, &untried)) { server = vllist->servers[i].server; - if (server->probe.responded && - server->probe.rtt < rtt) { + rtt_s = READ_ONCE(server->rtt); + if (test_bit(AFS_VLSERVER_FL_RESPONDING, &server->flags) && + rtt_s < rtt) { pref = i; - rtt = server->probe.rtt; + rtt = rtt_s; } remove_wait_queue(&server->probe_wq, &waits[i]); diff --git a/fs/afs/vl_rotate.c b/fs/afs/vl_rotate.c index f405ca8b240a5b..c0458c903b310e 100644 --- a/fs/afs/vl_rotate.c +++ b/fs/afs/vl_rotate.c @@ -192,7 +192,8 @@ pick_server: for (i = 0; i < vc->server_list->nr_servers; i++) { struct afs_vlserver *s = vc->server_list->servers[i].server; - if (!test_bit(i, &vc->untried) || !s->probe.responded) + if (!test_bit(i, &vc->untried) || + !test_bit(AFS_VLSERVER_FL_RESPONDING, &s->flags)) continue; if (s->probe.rtt < rtt) { vc->index = i; @@ -262,10 +263,14 @@ no_more_servers: for (i = 0; i < vc->server_list->nr_servers; i++) { struct afs_vlserver *s = vc->server_list->servers[i].server; + if (test_bit(AFS_VLSERVER_FL_RESPONDING, &s->flags)) + e.responded = true; afs_prioritise_error(&e, READ_ONCE(s->probe.error), s->probe.abort_code); } + error = e.error; + failed_set_error: vc->error = error; failed: diff --git a/fs/afs/vlclient.c b/fs/afs/vlclient.c index fd82850cd4244e..dc9327332f0690 100644 --- a/fs/afs/vlclient.c +++ b/fs/afs/vlclient.c @@ -196,7 +196,7 @@ static int afs_deliver_vl_get_addrs_u(struct afs_call *call) /* Extract the returned uuid, uniquifier, nentries and * blkaddrs size */ - /* Fall through */ + fallthrough; case 1: ret = afs_extract_data(call, true); if (ret < 0) @@ -221,7 +221,7 @@ static int afs_deliver_vl_get_addrs_u(struct afs_call *call) count = min(call->count, 4U); afs_extract_to_buf(call, count * sizeof(__be32)); - /* Fall through - and extract entries */ + fallthrough; /* and extract entries */ case 2: ret = afs_extract_data(call, call->count > 4); if (ret < 0) @@ -324,7 +324,7 @@ static int afs_deliver_vl_get_capabilities(struct afs_call *call) afs_extract_to_tmp(call); call->unmarshall++; - /* Fall through - and extract the capabilities word count */ + fallthrough; /* and extract the capabilities word count */ case 1: ret = afs_extract_data(call, true); if (ret < 0) @@ -337,7 +337,7 @@ static int afs_deliver_vl_get_capabilities(struct afs_call *call) call->unmarshall++; afs_extract_discard(call, count * sizeof(__be32)); - /* Fall through - and extract capabilities words */ + fallthrough; /* and extract capabilities words */ case 2: ret = afs_extract_data(call, false); if (ret < 0) @@ -436,7 +436,7 @@ static int afs_deliver_yfsvl_get_endpoints(struct afs_call *call) /* Extract the returned uuid, uniquifier, fsEndpoints count and * either the first fsEndpoint type or the volEndpoints * count if there are no fsEndpoints. */ - /* Fall through */ + fallthrough; case 1: ret = afs_extract_data(call, true); if (ret < 0) @@ -475,7 +475,7 @@ static int afs_deliver_yfsvl_get_endpoints(struct afs_call *call) afs_extract_to_buf(call, size); call->unmarshall = 2; - /* Fall through - and extract fsEndpoints[] entries */ + fallthrough; /* and extract fsEndpoints[] entries */ case 2: ret = afs_extract_data(call, true); if (ret < 0) @@ -526,7 +526,7 @@ static int afs_deliver_yfsvl_get_endpoints(struct afs_call *call) * extract the type of the next endpoint when we extract the * data of the current one, but this is the first... */ - /* Fall through */ + fallthrough; case 3: ret = afs_extract_data(call, true); if (ret < 0) @@ -552,7 +552,7 @@ static int afs_deliver_yfsvl_get_endpoints(struct afs_call *call) afs_extract_to_buf(call, size); call->unmarshall = 4; - /* Fall through - and extract volEndpoints[] entries */ + fallthrough; /* and extract volEndpoints[] entries */ case 4: ret = afs_extract_data(call, true); if (ret < 0) @@ -587,7 +587,7 @@ static int afs_deliver_yfsvl_get_endpoints(struct afs_call *call) afs_extract_discard(call, 0); call->unmarshall = 5; - /* Fall through - Done */ + fallthrough; /* Done */ case 5: ret = afs_extract_data(call, false); if (ret < 0) @@ -663,7 +663,7 @@ static int afs_deliver_yfsvl_get_cell_name(struct afs_call *call) afs_extract_to_tmp(call); call->unmarshall++; - /* Fall through - and extract the cell name length */ + fallthrough; /* and extract the cell name length */ case 1: ret = afs_extract_data(call, true); if (ret < 0) @@ -685,7 +685,7 @@ static int afs_deliver_yfsvl_get_cell_name(struct afs_call *call) afs_extract_begin(call, cell_name, namesz); call->unmarshall++; - /* Fall through - and extract cell name */ + fallthrough; /* and extract cell name */ case 2: ret = afs_extract_data(call, true); if (ret < 0) @@ -694,7 +694,7 @@ static int afs_deliver_yfsvl_get_cell_name(struct afs_call *call) afs_extract_discard(call, call->count2); call->unmarshall++; - /* Fall through - and extract padding */ + fallthrough; /* and extract padding */ case 3: ret = afs_extract_data(call, false); if (ret < 0) diff --git a/fs/afs/write.c b/fs/afs/write.c index a121c247d95a3d..da12abd6db213b 100644 --- a/fs/afs/write.c +++ b/fs/afs/write.c @@ -609,7 +609,7 @@ no_more: default: pr_notice("kAFS: Unexpected error from FS.StoreData %d\n", ret); - /* Fall through */ + fallthrough; case -EACCES: case -EPERM: case -ENOKEY: @@ -738,11 +738,21 @@ static int afs_writepages_region(struct address_space *mapping, int afs_writepages(struct address_space *mapping, struct writeback_control *wbc) { + struct afs_vnode *vnode = AFS_FS_I(mapping->host); pgoff_t start, end, next; int ret; _enter(""); + /* We have to be careful as we can end up racing with setattr() + * truncating the pagecache since the caller doesn't take a lock here + * to prevent it. + */ + if (wbc->sync_mode == WB_SYNC_ALL) + down_read(&vnode->validate_lock); + else if (!down_read_trylock(&vnode->validate_lock)) + return 0; + if (wbc->range_cyclic) { start = mapping->writeback_index; end = -1; @@ -762,6 +772,7 @@ int afs_writepages(struct address_space *mapping, ret = afs_writepages_region(mapping, wbc, start, end, &next); } + up_read(&vnode->validate_lock); _leave(" = %d", ret); return ret; } diff --git a/fs/afs/yfsclient.c b/fs/afs/yfsclient.c index 8c24fdc899e378..3b1239b7e90d8c 100644 --- a/fs/afs/yfsclient.c +++ b/fs/afs/yfsclient.c @@ -373,7 +373,7 @@ static int yfs_deliver_fs_fetch_data64(struct afs_call *call) req->offset = req->pos & (PAGE_SIZE - 1); afs_extract_to_tmp64(call); call->unmarshall++; - /* Fall through */ + fallthrough; /* extract the returned data length */ case 1: @@ -401,7 +401,7 @@ static int yfs_deliver_fs_fetch_data64(struct afs_call *call) call->bvec[0].bv_page = req->pages[req->index]; iov_iter_bvec(&call->def_iter, READ, call->bvec, 1, size); ASSERTCMP(size, <=, PAGE_SIZE); - /* Fall through */ + fallthrough; /* extract the returned data */ case 2: @@ -428,7 +428,7 @@ static int yfs_deliver_fs_fetch_data64(struct afs_call *call) /* Discard any excess data the server gave us */ afs_extract_discard(call, req->actual_len - req->len); call->unmarshall = 3; - /* Fall through */ + fallthrough; case 3: _debug("extract discard %zu/%llu", @@ -444,7 +444,7 @@ static int yfs_deliver_fs_fetch_data64(struct afs_call *call) sizeof(struct yfs_xdr_YFSFetchStatus) + sizeof(struct yfs_xdr_YFSCallBack) + sizeof(struct yfs_xdr_YFSVolSync)); - /* Fall through */ + fallthrough; /* extract the metadata */ case 4: @@ -461,7 +461,7 @@ static int yfs_deliver_fs_fetch_data64(struct afs_call *call) req->file_size = vp->scb.status.size; call->unmarshall++; - /* Fall through */ + fallthrough; case 5: break; @@ -1262,7 +1262,7 @@ static int yfs_deliver_fs_get_volume_status(struct afs_call *call) case 0: call->unmarshall++; afs_extract_to_buf(call, sizeof(struct yfs_xdr_YFSFetchVolumeStatus)); - /* Fall through */ + fallthrough; /* extract the returned status record */ case 1: @@ -1275,7 +1275,7 @@ static int yfs_deliver_fs_get_volume_status(struct afs_call *call) xdr_decode_YFSFetchVolumeStatus(&bp, &op->volstatus.vs); call->unmarshall++; afs_extract_to_tmp(call); - /* Fall through */ + fallthrough; /* extract the volume name length */ case 2: @@ -1290,7 +1290,7 @@ static int yfs_deliver_fs_get_volume_status(struct afs_call *call) size = (call->count + 3) & ~3; /* It's padded */ afs_extract_to_buf(call, size); call->unmarshall++; - /* Fall through */ + fallthrough; /* extract the volume name */ case 3: @@ -1304,7 +1304,7 @@ static int yfs_deliver_fs_get_volume_status(struct afs_call *call) _debug("volname '%s'", p); afs_extract_to_tmp(call); call->unmarshall++; - /* Fall through */ + fallthrough; /* extract the offline message length */ case 4: @@ -1319,7 +1319,7 @@ static int yfs_deliver_fs_get_volume_status(struct afs_call *call) size = (call->count + 3) & ~3; /* It's padded */ afs_extract_to_buf(call, size); call->unmarshall++; - /* Fall through */ + fallthrough; /* extract the offline message */ case 5: @@ -1334,7 +1334,7 @@ static int yfs_deliver_fs_get_volume_status(struct afs_call *call) afs_extract_to_tmp(call); call->unmarshall++; - /* Fall through */ + fallthrough; /* extract the message of the day length */ case 6: @@ -1349,7 +1349,7 @@ static int yfs_deliver_fs_get_volume_status(struct afs_call *call) size = (call->count + 3) & ~3; /* It's padded */ afs_extract_to_buf(call, size); call->unmarshall++; - /* Fall through */ + fallthrough; /* extract the message of the day */ case 7: @@ -1363,7 +1363,7 @@ static int yfs_deliver_fs_get_volume_status(struct afs_call *call) _debug("motd '%s'", p); call->unmarshall++; - /* Fall through */ + fallthrough; case 8: break; @@ -1622,7 +1622,7 @@ static int yfs_deliver_fs_inline_bulk_status(struct afs_call *call) case 0: afs_extract_to_tmp(call); call->unmarshall++; - /* Fall through */ + fallthrough; /* Extract the file status count and array in two steps */ case 1: @@ -1640,7 +1640,7 @@ static int yfs_deliver_fs_inline_bulk_status(struct afs_call *call) call->unmarshall++; more_counts: afs_extract_to_buf(call, sizeof(struct yfs_xdr_YFSFetchStatus)); - /* Fall through */ + fallthrough; case 2: _debug("extract status array %u", call->count); @@ -1670,7 +1670,7 @@ static int yfs_deliver_fs_inline_bulk_status(struct afs_call *call) call->count = 0; call->unmarshall++; afs_extract_to_tmp(call); - /* Fall through */ + fallthrough; /* Extract the callback count and array in two steps */ case 3: @@ -1687,7 +1687,7 @@ static int yfs_deliver_fs_inline_bulk_status(struct afs_call *call) call->unmarshall++; more_cbs: afs_extract_to_buf(call, sizeof(struct yfs_xdr_YFSCallBack)); - /* Fall through */ + fallthrough; case 4: _debug("extract CB array"); @@ -1716,7 +1716,7 @@ static int yfs_deliver_fs_inline_bulk_status(struct afs_call *call) afs_extract_to_buf(call, sizeof(struct yfs_xdr_YFSVolSync)); call->unmarshall++; - /* Fall through */ + fallthrough; case 5: ret = afs_extract_data(call, false); @@ -1727,7 +1727,7 @@ static int yfs_deliver_fs_inline_bulk_status(struct afs_call *call) xdr_decode_YFSVolSync(&bp, &op->volsync); call->unmarshall++; - /* Fall through */ + fallthrough; case 6: break; @@ -1804,7 +1804,7 @@ static int yfs_deliver_fs_fetch_opaque_acl(struct afs_call *call) case 0: afs_extract_to_tmp(call); call->unmarshall++; - /* Fall through */ + fallthrough; /* Extract the file ACL length */ case 1: @@ -1826,7 +1826,7 @@ static int yfs_deliver_fs_fetch_opaque_acl(struct afs_call *call) afs_extract_discard(call, size); } call->unmarshall++; - /* Fall through */ + fallthrough; /* Extract the file ACL */ case 2: @@ -1836,7 +1836,7 @@ static int yfs_deliver_fs_fetch_opaque_acl(struct afs_call *call) afs_extract_to_tmp(call); call->unmarshall++; - /* Fall through */ + fallthrough; /* Extract the volume ACL length */ case 3: @@ -1858,7 +1858,7 @@ static int yfs_deliver_fs_fetch_opaque_acl(struct afs_call *call) afs_extract_discard(call, size); } call->unmarshall++; - /* Fall through */ + fallthrough; /* Extract the volume ACL */ case 4: @@ -1871,7 +1871,7 @@ static int yfs_deliver_fs_fetch_opaque_acl(struct afs_call *call) sizeof(struct yfs_xdr_YFSFetchStatus) + sizeof(struct yfs_xdr_YFSVolSync)); call->unmarshall++; - /* Fall through */ + fallthrough; /* extract the metadata */ case 5: @@ -1886,7 +1886,7 @@ static int yfs_deliver_fs_fetch_opaque_acl(struct afs_call *call) xdr_decode_YFSVolSync(&bp, &op->volsync); call->unmarshall++; - /* Fall through */ + fallthrough; case 6: break; diff --git a/fs/aio.c b/fs/aio.c index 5736bff48e9e9c..d5ec303855669d 100644 --- a/fs/aio.c +++ b/fs/aio.c @@ -1511,7 +1511,7 @@ static inline void aio_rw_done(struct kiocb *req, ssize_t ret) * may be already running. Just fail this IO with EINTR. */ ret = -EINTR; - /*FALLTHRU*/ + fallthrough; default: req->ki_complete(req, ret, 0); } diff --git a/fs/autofs/waitq.c b/fs/autofs/waitq.c index 74c886f7c51cbe..5ced859dac5396 100644 --- a/fs/autofs/waitq.c +++ b/fs/autofs/waitq.c @@ -53,7 +53,7 @@ static int autofs_write(struct autofs_sb_info *sbi, mutex_lock(&sbi->pipe_mutex); while (bytes) { - wr = kernel_write(file, data, bytes, &file->f_pos); + wr = __kernel_write(file, data, bytes, NULL); if (wr <= 0) break; data += wr; diff --git a/fs/binfmt_flat.c b/fs/binfmt_flat.c index f2f9086ebe9832..b9c658e0548eb8 100644 --- a/fs/binfmt_flat.c +++ b/fs/binfmt_flat.c @@ -576,7 +576,7 @@ static int load_flat_file(struct linux_binprm *bprm, goto err; } - len = data_len + extra; + len = data_len + extra + MAX_SHARED_LIBS * sizeof(unsigned long); len = PAGE_ALIGN(len); realdatastart = vm_mmap(NULL, 0, len, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE, 0); @@ -590,7 +590,9 @@ static int load_flat_file(struct linux_binprm *bprm, vm_munmap(textpos, text_len); goto err; } - datapos = ALIGN(realdatastart, FLAT_DATA_ALIGN); + datapos = ALIGN(realdatastart + + MAX_SHARED_LIBS * sizeof(unsigned long), + FLAT_DATA_ALIGN); pr_debug("Allocated data+bss+stack (%u bytes): %lx\n", data_len + bss_len + stack_len, datapos); @@ -620,7 +622,7 @@ static int load_flat_file(struct linux_binprm *bprm, memp_size = len; } else { - len = text_len + data_len + extra; + len = text_len + data_len + extra + MAX_SHARED_LIBS * sizeof(u32); len = PAGE_ALIGN(len); textpos = vm_mmap(NULL, 0, len, PROT_READ | PROT_EXEC | PROT_WRITE, MAP_PRIVATE, 0); @@ -635,7 +637,9 @@ static int load_flat_file(struct linux_binprm *bprm, } realdatastart = textpos + ntohl(hdr->data_start); - datapos = ALIGN(realdatastart, FLAT_DATA_ALIGN); + datapos = ALIGN(realdatastart + + MAX_SHARED_LIBS * sizeof(u32), + FLAT_DATA_ALIGN); reloc = (__be32 __user *) (datapos + (ntohl(hdr->reloc_start) - text_len)); @@ -652,9 +656,8 @@ static int load_flat_file(struct linux_binprm *bprm, (text_len + full_data - sizeof(struct flat_hdr)), 0); - if (datapos != realdatastart) - memmove((void *)datapos, (void *)realdatastart, - full_data); + memmove((void *) datapos, (void *) realdatastart, + full_data); #else /* * This is used on MMU systems mainly for testing. @@ -710,7 +713,8 @@ static int load_flat_file(struct linux_binprm *bprm, if (IS_ERR_VALUE(result)) { ret = result; pr_err("Unable to read code+data+bss, errno %d\n", ret); - vm_munmap(textpos, text_len + data_len + extra); + vm_munmap(textpos, text_len + data_len + extra + + MAX_SHARED_LIBS * sizeof(u32)); goto err; } } diff --git a/fs/btrfs/block-group.c b/fs/btrfs/block-group.c index 613920c17ac1ae..ea8aaf36647eea 100644 --- a/fs/btrfs/block-group.c +++ b/fs/btrfs/block-group.c @@ -1798,7 +1798,6 @@ static struct btrfs_block_group *btrfs_create_block_group_cache( cache->fs_info = fs_info; cache->full_stripe_len = btrfs_full_stripe_len(fs_info, start); - set_free_space_tree_thresholds(cache); cache->discard_index = BTRFS_DISCARD_INDEX_UNUSED; @@ -1912,6 +1911,8 @@ static int read_one_block_group(struct btrfs_fs_info *info, if (ret < 0) goto error; + set_free_space_tree_thresholds(cache); + if (need_clear) { /* * When we mount with old space cache, we need to @@ -2132,6 +2133,7 @@ int btrfs_make_block_group(struct btrfs_trans_handle *trans, u64 bytes_used, return -ENOMEM; cache->length = size; + set_free_space_tree_thresholds(cache); cache->used = bytes_used; cache->flags = type; cache->last_byte_to_unpin = (u64)-1; diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c index 70e49d8d4f6c31..cd392da69b8190 100644 --- a/fs/btrfs/ctree.c +++ b/fs/btrfs/ctree.c @@ -68,7 +68,7 @@ const char *btrfs_super_csum_driver(u16 csum_type) btrfs_csums[csum_type].name; } -size_t __const btrfs_get_num_csums(void) +size_t __attribute_const__ btrfs_get_num_csums(void) { return ARRAY_SIZE(btrfs_csums); } @@ -1297,6 +1297,8 @@ tree_mod_log_rewind(struct btrfs_fs_info *fs_info, struct btrfs_path *path, btrfs_tree_read_unlock_blocking(eb); free_extent_buffer(eb); + btrfs_set_buffer_lockdep_class(btrfs_header_owner(eb_rewin), + eb_rewin, btrfs_header_level(eb_rewin)); btrfs_tree_read_lock(eb_rewin); __tree_mod_log_rewind(fs_info, eb_rewin, time_seq, tm); WARN_ON(btrfs_header_nritems(eb_rewin) > @@ -1370,7 +1372,6 @@ get_old_root(struct btrfs_root *root, u64 time_seq) if (!eb) return NULL; - btrfs_tree_read_lock(eb); if (old_root) { btrfs_set_header_bytenr(eb, eb->start); btrfs_set_header_backref_rev(eb, BTRFS_MIXED_BACKREF_REV); @@ -1378,6 +1379,9 @@ get_old_root(struct btrfs_root *root, u64 time_seq) btrfs_set_header_level(eb, old_root->level); btrfs_set_header_generation(eb, old_generation); } + btrfs_set_buffer_lockdep_class(btrfs_header_owner(eb), eb, + btrfs_header_level(eb)); + btrfs_tree_read_lock(eb); if (tm) __tree_mod_log_rewind(fs_info, eb, time_seq, tm); else diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index 9c7e466f27a9a3..9a72896bed2ee4 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -2262,7 +2262,7 @@ BTRFS_SETGET_STACK_FUNCS(super_uuid_tree_generation, struct btrfs_super_block, int btrfs_super_csum_size(const struct btrfs_super_block *s); const char *btrfs_super_csum_name(u16 csum_type); const char *btrfs_super_csum_driver(u16 csum_type); -size_t __const btrfs_get_num_csums(void); +size_t __attribute_const__ btrfs_get_num_csums(void); /* @@ -2518,7 +2518,7 @@ int btrfs_pin_extent_for_log_replay(struct btrfs_trans_handle *trans, u64 bytenr, u64 num_bytes); int btrfs_exclude_logged_extents(struct extent_buffer *eb); int btrfs_cross_ref_exist(struct btrfs_root *root, - u64 objectid, u64 offset, u64 bytenr); + u64 objectid, u64 offset, u64 bytenr, bool strict); struct extent_buffer *btrfs_alloc_tree_block(struct btrfs_trans_handle *trans, struct btrfs_root *root, u64 parent, u64 root_objectid, @@ -2934,7 +2934,7 @@ struct extent_map *btrfs_get_extent_fiemap(struct btrfs_inode *inode, u64 start, u64 len); noinline int can_nocow_extent(struct inode *inode, u64 offset, u64 *len, u64 *orig_start, u64 *orig_block_len, - u64 *ram_bytes); + u64 *ram_bytes, bool strict); void __btrfs_del_delalloc_inode(struct btrfs_root *root, struct btrfs_inode *inode); diff --git a/fs/btrfs/dev-replace.c b/fs/btrfs/dev-replace.c index db93909b25e08e..e4a1c6afe35dcd 100644 --- a/fs/btrfs/dev-replace.c +++ b/fs/btrfs/dev-replace.c @@ -599,6 +599,37 @@ static void btrfs_rm_dev_replace_unblocked(struct btrfs_fs_info *fs_info) wake_up(&fs_info->dev_replace.replace_wait); } +/* + * When finishing the device replace, before swapping the source device with the + * target device we must update the chunk allocation state in the target device, + * as it is empty because replace works by directly copying the chunks and not + * through the normal chunk allocation path. + */ +static int btrfs_set_target_alloc_state(struct btrfs_device *srcdev, + struct btrfs_device *tgtdev) +{ + struct extent_state *cached_state = NULL; + u64 start = 0; + u64 found_start; + u64 found_end; + int ret = 0; + + lockdep_assert_held(&srcdev->fs_info->chunk_mutex); + + while (!find_first_extent_bit(&srcdev->alloc_state, start, + &found_start, &found_end, + CHUNK_ALLOCATED, &cached_state)) { + ret = set_extent_bits(&tgtdev->alloc_state, found_start, + found_end, CHUNK_ALLOCATED); + if (ret) + break; + start = found_end + 1; + } + + free_extent_state(cached_state); + return ret; +} + static int btrfs_dev_replace_finishing(struct btrfs_fs_info *fs_info, int scrub_ret) { @@ -673,8 +704,14 @@ static int btrfs_dev_replace_finishing(struct btrfs_fs_info *fs_info, dev_replace->time_stopped = ktime_get_real_seconds(); dev_replace->item_needs_writeback = 1; - /* replace old device with new one in mapping tree */ + /* + * Update allocation state in the new device and replace the old device + * with the new one in the mapping tree. + */ if (!scrub_ret) { + scrub_ret = btrfs_set_target_alloc_state(src_device, tgt_device); + if (scrub_ret) + goto error; btrfs_dev_replace_update_device_in_mapping_tree(fs_info, src_device, tgt_device); @@ -685,6 +722,7 @@ static int btrfs_dev_replace_finishing(struct btrfs_fs_info *fs_info, btrfs_dev_name(src_device), src_device->devid, rcu_str_deref(tgt_device->name), scrub_ret); +error: up_write(&dev_replace->rwsem); mutex_unlock(&fs_info->chunk_mutex); mutex_unlock(&fs_info->fs_devices->device_list_mutex); @@ -745,7 +783,9 @@ static int btrfs_dev_replace_finishing(struct btrfs_fs_info *fs_info, /* replace the sysfs entry */ btrfs_sysfs_remove_devices_dir(fs_info->fs_devices, src_device); btrfs_sysfs_update_devid(tgt_device); - btrfs_rm_dev_replace_free_srcdev(src_device); + if (test_bit(BTRFS_DEV_STATE_WRITEABLE, &src_device->dev_state)) + btrfs_scratch_superblocks(fs_info, src_device->bdev, + src_device->name->str); /* write back the superblocks */ trans = btrfs_start_transaction(root, 0); @@ -754,6 +794,8 @@ static int btrfs_dev_replace_finishing(struct btrfs_fs_info *fs_info, mutex_unlock(&dev_replace->lock_finishing_cancel_unmount); + btrfs_rm_dev_replace_free_srcdev(src_device); + return 0; } diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 9ae25f6321579d..9f72b092bc2281 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -636,16 +636,15 @@ static int btree_readpage_end_io_hook(struct btrfs_io_bio *io_bio, csum_tree_block(eb, result); if (memcmp_extent_buffer(eb, result, 0, csum_size)) { - u32 val; - u32 found = 0; - - memcpy(&found, result, csum_size); + u8 val[BTRFS_CSUM_SIZE] = { 0 }; read_extent_buffer(eb, &val, 0, csum_size); btrfs_warn_rl(fs_info, - "%s checksum verify failed on %llu wanted %x found %x level %d", + "%s checksum verify failed on %llu wanted " CSUM_FMT " found " CSUM_FMT " level %d", fs_info->sb->s_id, eb->start, - val, found, btrfs_header_level(eb)); + CSUM_FMT_VALUE(csum_size, val), + CSUM_FMT_VALUE(csum_size, result), + btrfs_header_level(eb)); ret = -EUCLEAN; goto err; } @@ -3418,6 +3417,8 @@ fail_block_groups: btrfs_put_block_group_cache(fs_info); fail_tree_roots: + if (fs_info->data_reloc_root) + btrfs_drop_and_free_fs_root(fs_info, fs_info->data_reloc_root); free_root_pointers(fs_info, true); invalidate_inode_pages2(fs_info->btree_inode->i_mapping); @@ -4551,6 +4552,7 @@ static void btrfs_cleanup_bg_io(struct btrfs_block_group *cache) cache->io_ctl.inode = NULL; iput(inode); } + ASSERT(cache->io_ctl.pages == NULL); btrfs_put_block_group(cache); } diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index de6fe176fdfb34..780b9c9a98fe37 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -400,12 +400,11 @@ int btrfs_get_extent_inline_ref_type(const struct extent_buffer *eb, if (type == BTRFS_SHARED_BLOCK_REF_KEY) { ASSERT(eb->fs_info); /* - * Every shared one has parent tree - * block, which must be aligned to - * nodesize. + * Every shared one has parent tree block, + * which must be aligned to sector size. */ if (offset && - IS_ALIGNED(offset, eb->fs_info->nodesize)) + IS_ALIGNED(offset, eb->fs_info->sectorsize)) return type; } } else if (is_data == BTRFS_REF_TYPE_DATA) { @@ -414,12 +413,11 @@ int btrfs_get_extent_inline_ref_type(const struct extent_buffer *eb, if (type == BTRFS_SHARED_DATA_REF_KEY) { ASSERT(eb->fs_info); /* - * Every shared one has parent tree - * block, which must be aligned to - * nodesize. + * Every shared one has parent tree block, + * which must be aligned to sector size. */ if (offset && - IS_ALIGNED(offset, eb->fs_info->nodesize)) + IS_ALIGNED(offset, eb->fs_info->sectorsize)) return type; } } else { @@ -429,8 +427,9 @@ int btrfs_get_extent_inline_ref_type(const struct extent_buffer *eb, } btrfs_print_leaf((struct extent_buffer *)eb); - btrfs_err(eb->fs_info, "eb %llu invalid extent inline ref type %d", - eb->start, type); + btrfs_err(eb->fs_info, + "eb %llu iref 0x%lx invalid extent inline ref type %d", + eb->start, (unsigned long)iref, type); WARN_ON(1); return BTRFS_REF_TYPE_INVALID; @@ -2306,7 +2305,8 @@ static noinline int check_delayed_ref(struct btrfs_root *root, static noinline int check_committed_ref(struct btrfs_root *root, struct btrfs_path *path, - u64 objectid, u64 offset, u64 bytenr) + u64 objectid, u64 offset, u64 bytenr, + bool strict) { struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_root *extent_root = fs_info->extent_root; @@ -2348,9 +2348,13 @@ static noinline int check_committed_ref(struct btrfs_root *root, btrfs_extent_inline_ref_size(BTRFS_EXTENT_DATA_REF_KEY)) goto out; - /* If extent created before last snapshot => it's definitely shared */ - if (btrfs_extent_generation(leaf, ei) <= - btrfs_root_last_snapshot(&root->root_item)) + /* + * If extent created before last snapshot => it's shared unless the + * snapshot has been deleted. Use the heuristic if strict is false. + */ + if (!strict && + (btrfs_extent_generation(leaf, ei) <= + btrfs_root_last_snapshot(&root->root_item))) goto out; iref = (struct btrfs_extent_inline_ref *)(ei + 1); @@ -2375,7 +2379,7 @@ out: } int btrfs_cross_ref_exist(struct btrfs_root *root, u64 objectid, u64 offset, - u64 bytenr) + u64 bytenr, bool strict) { struct btrfs_path *path; int ret; @@ -2386,7 +2390,7 @@ int btrfs_cross_ref_exist(struct btrfs_root *root, u64 objectid, u64 offset, do { ret = check_committed_ref(root, path, objectid, - offset, bytenr); + offset, bytenr, strict); if (ret && ret != -ENOENT) goto out; @@ -4522,7 +4526,7 @@ btrfs_init_new_buffer(struct btrfs_trans_handle *trans, struct btrfs_root *root, return ERR_PTR(-EUCLEAN); } - btrfs_set_buffer_lockdep_class(root->root_key.objectid, buf, level); + btrfs_set_buffer_lockdep_class(owner, buf, level); btrfs_tree_lock(buf); btrfs_clean_tree_block(buf); clear_bit(EXTENT_BUFFER_STALE, &buf->bflags); diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index 6def411b2ebad7..a940edb1e64f2e 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -5655,9 +5655,9 @@ void read_extent_buffer(const struct extent_buffer *eb, void *dstv, } } -int read_extent_buffer_to_user(const struct extent_buffer *eb, - void __user *dstv, - unsigned long start, unsigned long len) +int read_extent_buffer_to_user_nofault(const struct extent_buffer *eb, + void __user *dstv, + unsigned long start, unsigned long len) { size_t cur; size_t offset; @@ -5677,7 +5677,7 @@ int read_extent_buffer_to_user(const struct extent_buffer *eb, cur = min(len, (PAGE_SIZE - offset)); kaddr = page_address(page); - if (copy_to_user(dst, kaddr + offset, cur)) { + if (copy_to_user_nofault(dst, kaddr + offset, cur)) { ret = -EFAULT; break; } diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h index 00a88f2eb5ab6d..30794ae58498bb 100644 --- a/fs/btrfs/extent_io.h +++ b/fs/btrfs/extent_io.h @@ -241,9 +241,9 @@ int memcmp_extent_buffer(const struct extent_buffer *eb, const void *ptrv, void read_extent_buffer(const struct extent_buffer *eb, void *dst, unsigned long start, unsigned long len); -int read_extent_buffer_to_user(const struct extent_buffer *eb, - void __user *dst, unsigned long start, - unsigned long len); +int read_extent_buffer_to_user_nofault(const struct extent_buffer *eb, + void __user *dst, unsigned long start, + unsigned long len); void write_extent_buffer_fsid(const struct extent_buffer *eb, const void *src); void write_extent_buffer_chunk_tree_uuid(const struct extent_buffer *eb, const void *src); diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index bb824c7cb7c7d6..4507c3d093994f 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -1571,7 +1571,7 @@ static int check_can_nocow(struct btrfs_inode *inode, loff_t pos, } ret = can_nocow_extent(&inode->vfs_inode, lockstart, &num_bytes, - NULL, NULL, NULL); + NULL, NULL, NULL, false); if (ret <= 0) { ret = 0; if (!nowait) diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c index ef0fd7afb0b1e8..dc82fd0c80cbba 100644 --- a/fs/btrfs/free-space-cache.c +++ b/fs/btrfs/free-space-cache.c @@ -1186,7 +1186,6 @@ static int __btrfs_wait_cache_io(struct btrfs_root *root, ret = update_cache_item(trans, root, inode, path, offset, io_ctl->entries, io_ctl->bitmaps); out: - io_ctl_free(io_ctl); if (ret) { invalidate_inode_pages2(inode->i_mapping); BTRFS_I(inode)->generation = 0; @@ -1347,6 +1346,7 @@ static int __btrfs_write_out_cache(struct btrfs_root *root, struct inode *inode, * them out later */ io_ctl_drop_pages(io_ctl); + io_ctl_free(io_ctl); unlock_extent_cached(&BTRFS_I(inode)->io_tree, 0, i_size_read(inode) - 1, &cached_state); diff --git a/fs/btrfs/free-space-tree.c b/fs/btrfs/free-space-tree.c index 8b1f5c8897b750..6b9faf3b0e9676 100644 --- a/fs/btrfs/free-space-tree.c +++ b/fs/btrfs/free-space-tree.c @@ -22,6 +22,10 @@ void set_free_space_tree_thresholds(struct btrfs_block_group *cache) size_t bitmap_size; u64 num_bitmaps, total_bitmap_size; + if (WARN_ON(cache->length == 0)) + btrfs_warn(cache->fs_info, "block group %llu length is zero", + cache->start); + /* * We convert to bitmaps when the disk space required for using extents * exceeds that required for using bitmaps. diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 51fcd82d41c0eb..9570458aa8471d 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -1610,7 +1610,7 @@ next_slot: goto out_check; ret = btrfs_cross_ref_exist(root, ino, found_key.offset - - extent_offset, disk_bytenr); + extent_offset, disk_bytenr, false); if (ret) { /* * ret could be -EIO if the above fails to read @@ -2161,11 +2161,8 @@ static blk_status_t btrfs_submit_bio_start(void *private_data, struct bio *bio, u64 bio_offset) { struct inode *inode = private_data; - blk_status_t ret = 0; - ret = btrfs_csum_one_bio(BTRFS_I(inode), bio, 0, 0); - BUG_ON(ret); /* -ENOMEM */ - return 0; + return btrfs_csum_one_bio(BTRFS_I(inode), bio, 0, 0); } /* @@ -6953,6 +6950,8 @@ static struct extent_map *btrfs_new_extent_direct(struct btrfs_inode *inode, * @orig_start: (optional) Return the original file offset of the file extent * @orig_len: (optional) Return the original on-disk length of the file extent * @ram_bytes: (optional) Return the ram_bytes of the file extent + * @strict: if true, omit optimizations that might force us into unnecessary + * cow. e.g., don't trust generation number. * * This function will flush ordered extents in the range to ensure proper * nocow checks for (nowait == false) case. @@ -6967,7 +6966,7 @@ static struct extent_map *btrfs_new_extent_direct(struct btrfs_inode *inode, */ noinline int can_nocow_extent(struct inode *inode, u64 offset, u64 *len, u64 *orig_start, u64 *orig_block_len, - u64 *ram_bytes) + u64 *ram_bytes, bool strict) { struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb); struct btrfs_path *path; @@ -7045,8 +7044,9 @@ noinline int can_nocow_extent(struct inode *inode, u64 offset, u64 *len, * Do the same check as in btrfs_cross_ref_exist but without the * unnecessary search. */ - if (btrfs_file_extent_generation(leaf, fi) <= - btrfs_root_last_snapshot(&root->root_item)) + if (!strict && + (btrfs_file_extent_generation(leaf, fi) <= + btrfs_root_last_snapshot(&root->root_item))) goto out; backref_offset = btrfs_file_extent_offset(leaf, fi); @@ -7082,7 +7082,8 @@ noinline int can_nocow_extent(struct inode *inode, u64 offset, u64 *len, */ ret = btrfs_cross_ref_exist(root, btrfs_ino(BTRFS_I(inode)), - key.offset - backref_offset, disk_bytenr); + key.offset - backref_offset, disk_bytenr, + strict); if (ret) { ret = 0; goto out; @@ -7303,7 +7304,7 @@ static int btrfs_get_blocks_direct_write(struct extent_map **map, block_start = em->block_start + (start - em->start); if (can_nocow_extent(inode, start, &len, &orig_start, - &orig_block_len, &ram_bytes) == 1 && + &orig_block_len, &ram_bytes, false) == 1 && btrfs_inc_nocow_writers(fs_info, block_start)) { struct extent_map *em2; @@ -7619,10 +7620,8 @@ static blk_status_t btrfs_submit_bio_start_direct_io(void *private_data, struct bio *bio, u64 offset) { struct inode *inode = private_data; - blk_status_t ret; - ret = btrfs_csum_one_bio(BTRFS_I(inode), bio, offset, 1); - BUG_ON(ret); /* -ENOMEM */ - return 0; + + return btrfs_csum_one_bio(BTRFS_I(inode), bio, offset, 1); } static void btrfs_end_dio_bio(struct bio *bio) @@ -10136,7 +10135,7 @@ static int btrfs_swap_activate(struct swap_info_struct *sis, struct file *file, free_extent_map(em); em = NULL; - ret = can_nocow_extent(inode, start, &len, NULL, NULL, NULL); + ret = can_nocow_extent(inode, start, &len, NULL, NULL, NULL, true); if (ret < 0) { goto out; } else if (ret) { diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index bd3511c5ca8126..2d9109d9e98f9d 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -2086,9 +2086,14 @@ static noinline int copy_to_sk(struct btrfs_path *path, sh.len = item_len; sh.transid = found_transid; - /* copy search result header */ - if (copy_to_user(ubuf + *sk_offset, &sh, sizeof(sh))) { - ret = -EFAULT; + /* + * Copy search result header. If we fault then loop again so we + * can fault in the pages and -EFAULT there if there's a + * problem. Otherwise we'll fault and then copy the buffer in + * properly this next time through + */ + if (copy_to_user_nofault(ubuf + *sk_offset, &sh, sizeof(sh))) { + ret = 0; goto out; } @@ -2096,10 +2101,14 @@ static noinline int copy_to_sk(struct btrfs_path *path, if (item_len) { char __user *up = ubuf + *sk_offset; - /* copy the item */ - if (read_extent_buffer_to_user(leaf, up, - item_off, item_len)) { - ret = -EFAULT; + /* + * Copy the item, same behavior as above, but reset the + * * sk_offset so we copy the full thing again. + */ + if (read_extent_buffer_to_user_nofault(leaf, up, + item_off, item_len)) { + ret = 0; + *sk_offset -= sizeof(sh); goto out; } @@ -2184,6 +2193,11 @@ static noinline int search_ioctl(struct inode *inode, key.offset = sk->min_offset; while (1) { + ret = fault_in_pages_writeable(ubuf + sk_offset, + *buf_size - sk_offset); + if (ret) + break; + ret = btrfs_search_forward(root, &key, path, sk->min_transid); if (ret != 0) { if (ret > 0) diff --git a/fs/btrfs/print-tree.c b/fs/btrfs/print-tree.c index 61f44e78e3c9e7..80567c11ec122d 100644 --- a/fs/btrfs/print-tree.c +++ b/fs/btrfs/print-tree.c @@ -95,9 +95,10 @@ static void print_extent_item(struct extent_buffer *eb, int slot, int type) * offset is supposed to be a tree block which * must be aligned to nodesize. */ - if (!IS_ALIGNED(offset, eb->fs_info->nodesize)) - pr_info("\t\t\t(parent %llu is NOT ALIGNED to nodesize %llu)\n", - offset, (unsigned long long)eb->fs_info->nodesize); + if (!IS_ALIGNED(offset, eb->fs_info->sectorsize)) + pr_info( + "\t\t\t(parent %llu not aligned to sectorsize %u)\n", + offset, eb->fs_info->sectorsize); break; case BTRFS_EXTENT_DATA_REF_KEY: dref = (struct btrfs_extent_data_ref *)(&iref->offset); @@ -112,8 +113,9 @@ static void print_extent_item(struct extent_buffer *eb, int slot, int type) * must be aligned to nodesize. */ if (!IS_ALIGNED(offset, eb->fs_info->nodesize)) - pr_info("\t\t\t(parent %llu is NOT ALIGNED to nodesize %llu)\n", - offset, (unsigned long long)eb->fs_info->nodesize); + pr_info( + "\t\t\t(parent %llu not aligned to sectorsize %u)\n", + offset, eb->fs_info->sectorsize); break; default: pr_cont("(extent %llu has INVALID ref type %d)\n", diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c index 5a6cb9db512ebd..354ab9985a3426 100644 --- a/fs/btrfs/scrub.c +++ b/fs/btrfs/scrub.c @@ -3716,50 +3716,84 @@ static noinline_for_stack int scrub_supers(struct scrub_ctx *sctx, return 0; } +static void scrub_workers_put(struct btrfs_fs_info *fs_info) +{ + if (refcount_dec_and_mutex_lock(&fs_info->scrub_workers_refcnt, + &fs_info->scrub_lock)) { + struct btrfs_workqueue *scrub_workers = NULL; + struct btrfs_workqueue *scrub_wr_comp = NULL; + struct btrfs_workqueue *scrub_parity = NULL; + + scrub_workers = fs_info->scrub_workers; + scrub_wr_comp = fs_info->scrub_wr_completion_workers; + scrub_parity = fs_info->scrub_parity_workers; + + fs_info->scrub_workers = NULL; + fs_info->scrub_wr_completion_workers = NULL; + fs_info->scrub_parity_workers = NULL; + mutex_unlock(&fs_info->scrub_lock); + + btrfs_destroy_workqueue(scrub_workers); + btrfs_destroy_workqueue(scrub_wr_comp); + btrfs_destroy_workqueue(scrub_parity); + } +} + /* * get a reference count on fs_info->scrub_workers. start worker if necessary */ static noinline_for_stack int scrub_workers_get(struct btrfs_fs_info *fs_info, int is_dev_replace) { + struct btrfs_workqueue *scrub_workers = NULL; + struct btrfs_workqueue *scrub_wr_comp = NULL; + struct btrfs_workqueue *scrub_parity = NULL; unsigned int flags = WQ_FREEZABLE | WQ_UNBOUND; int max_active = fs_info->thread_pool_size; + int ret = -ENOMEM; - lockdep_assert_held(&fs_info->scrub_lock); + if (refcount_inc_not_zero(&fs_info->scrub_workers_refcnt)) + return 0; - if (refcount_read(&fs_info->scrub_workers_refcnt) == 0) { - ASSERT(fs_info->scrub_workers == NULL); - fs_info->scrub_workers = btrfs_alloc_workqueue(fs_info, "scrub", - flags, is_dev_replace ? 1 : max_active, 4); - if (!fs_info->scrub_workers) - goto fail_scrub_workers; - - ASSERT(fs_info->scrub_wr_completion_workers == NULL); - fs_info->scrub_wr_completion_workers = - btrfs_alloc_workqueue(fs_info, "scrubwrc", flags, - max_active, 2); - if (!fs_info->scrub_wr_completion_workers) - goto fail_scrub_wr_completion_workers; + scrub_workers = btrfs_alloc_workqueue(fs_info, "scrub", flags, + is_dev_replace ? 1 : max_active, 4); + if (!scrub_workers) + goto fail_scrub_workers; - ASSERT(fs_info->scrub_parity_workers == NULL); - fs_info->scrub_parity_workers = - btrfs_alloc_workqueue(fs_info, "scrubparity", flags, + scrub_wr_comp = btrfs_alloc_workqueue(fs_info, "scrubwrc", flags, max_active, 2); - if (!fs_info->scrub_parity_workers) - goto fail_scrub_parity_workers; + if (!scrub_wr_comp) + goto fail_scrub_wr_completion_workers; + scrub_parity = btrfs_alloc_workqueue(fs_info, "scrubparity", flags, + max_active, 2); + if (!scrub_parity) + goto fail_scrub_parity_workers; + + mutex_lock(&fs_info->scrub_lock); + if (refcount_read(&fs_info->scrub_workers_refcnt) == 0) { + ASSERT(fs_info->scrub_workers == NULL && + fs_info->scrub_wr_completion_workers == NULL && + fs_info->scrub_parity_workers == NULL); + fs_info->scrub_workers = scrub_workers; + fs_info->scrub_wr_completion_workers = scrub_wr_comp; + fs_info->scrub_parity_workers = scrub_parity; refcount_set(&fs_info->scrub_workers_refcnt, 1); - } else { - refcount_inc(&fs_info->scrub_workers_refcnt); + mutex_unlock(&fs_info->scrub_lock); + return 0; } - return 0; + /* Other thread raced in and created the workers for us */ + refcount_inc(&fs_info->scrub_workers_refcnt); + mutex_unlock(&fs_info->scrub_lock); + ret = 0; + btrfs_destroy_workqueue(scrub_parity); fail_scrub_parity_workers: - btrfs_destroy_workqueue(fs_info->scrub_wr_completion_workers); + btrfs_destroy_workqueue(scrub_wr_comp); fail_scrub_wr_completion_workers: - btrfs_destroy_workqueue(fs_info->scrub_workers); + btrfs_destroy_workqueue(scrub_workers); fail_scrub_workers: - return -ENOMEM; + return ret; } int btrfs_scrub_dev(struct btrfs_fs_info *fs_info, u64 devid, u64 start, @@ -3770,9 +3804,6 @@ int btrfs_scrub_dev(struct btrfs_fs_info *fs_info, u64 devid, u64 start, int ret; struct btrfs_device *dev; unsigned int nofs_flag; - struct btrfs_workqueue *scrub_workers = NULL; - struct btrfs_workqueue *scrub_wr_comp = NULL; - struct btrfs_workqueue *scrub_parity = NULL; if (btrfs_fs_closing(fs_info)) return -EAGAIN; @@ -3819,13 +3850,17 @@ int btrfs_scrub_dev(struct btrfs_fs_info *fs_info, u64 devid, u64 start, if (IS_ERR(sctx)) return PTR_ERR(sctx); + ret = scrub_workers_get(fs_info, is_dev_replace); + if (ret) + goto out_free_ctx; + mutex_lock(&fs_info->fs_devices->device_list_mutex); dev = btrfs_find_device(fs_info->fs_devices, devid, NULL, NULL, true); if (!dev || (test_bit(BTRFS_DEV_STATE_MISSING, &dev->dev_state) && !is_dev_replace)) { mutex_unlock(&fs_info->fs_devices->device_list_mutex); ret = -ENODEV; - goto out_free_ctx; + goto out; } if (!is_dev_replace && !readonly && @@ -3834,7 +3869,7 @@ int btrfs_scrub_dev(struct btrfs_fs_info *fs_info, u64 devid, u64 start, btrfs_err_in_rcu(fs_info, "scrub: device %s is not writable", rcu_str_deref(dev->name)); ret = -EROFS; - goto out_free_ctx; + goto out; } mutex_lock(&fs_info->scrub_lock); @@ -3843,7 +3878,7 @@ int btrfs_scrub_dev(struct btrfs_fs_info *fs_info, u64 devid, u64 start, mutex_unlock(&fs_info->scrub_lock); mutex_unlock(&fs_info->fs_devices->device_list_mutex); ret = -EIO; - goto out_free_ctx; + goto out; } down_read(&fs_info->dev_replace.rwsem); @@ -3854,17 +3889,10 @@ int btrfs_scrub_dev(struct btrfs_fs_info *fs_info, u64 devid, u64 start, mutex_unlock(&fs_info->scrub_lock); mutex_unlock(&fs_info->fs_devices->device_list_mutex); ret = -EINPROGRESS; - goto out_free_ctx; + goto out; } up_read(&fs_info->dev_replace.rwsem); - ret = scrub_workers_get(fs_info, is_dev_replace); - if (ret) { - mutex_unlock(&fs_info->scrub_lock); - mutex_unlock(&fs_info->fs_devices->device_list_mutex); - goto out_free_ctx; - } - sctx->readonly = readonly; dev->scrub_ctx = sctx; mutex_unlock(&fs_info->fs_devices->device_list_mutex); @@ -3917,24 +3945,14 @@ int btrfs_scrub_dev(struct btrfs_fs_info *fs_info, u64 devid, u64 start, mutex_lock(&fs_info->scrub_lock); dev->scrub_ctx = NULL; - if (refcount_dec_and_test(&fs_info->scrub_workers_refcnt)) { - scrub_workers = fs_info->scrub_workers; - scrub_wr_comp = fs_info->scrub_wr_completion_workers; - scrub_parity = fs_info->scrub_parity_workers; - - fs_info->scrub_workers = NULL; - fs_info->scrub_wr_completion_workers = NULL; - fs_info->scrub_parity_workers = NULL; - } mutex_unlock(&fs_info->scrub_lock); - btrfs_destroy_workqueue(scrub_workers); - btrfs_destroy_workqueue(scrub_wr_comp); - btrfs_destroy_workqueue(scrub_parity); + scrub_workers_put(fs_info); scrub_put_ctx(sctx); return ret; - +out: + scrub_workers_put(fs_info); out_free_ctx: scrub_free_ctx(sctx); diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c index e529ddb35b87f3..25967ecaaf0af9 100644 --- a/fs/btrfs/super.c +++ b/fs/btrfs/super.c @@ -625,6 +625,7 @@ int btrfs_parse_options(struct btrfs_fs_info *info, char *options, } else if (strncmp(args[0].from, "lzo", 3) == 0) { compress_type = "lzo"; info->compress_type = BTRFS_COMPRESS_LZO; + info->compress_level = 0; btrfs_set_opt(info->mount_opt, COMPRESS); btrfs_clear_opt(info->mount_opt, NODATACOW); btrfs_clear_opt(info->mount_opt, NODATASUM); diff --git a/fs/btrfs/sysfs.c b/fs/btrfs/sysfs.c index c8df2edafd8558..5be30066563c83 100644 --- a/fs/btrfs/sysfs.c +++ b/fs/btrfs/sysfs.c @@ -1170,10 +1170,12 @@ int btrfs_sysfs_remove_devices_dir(struct btrfs_fs_devices *fs_devices, disk_kobj->name); } - kobject_del(&one_device->devid_kobj); - kobject_put(&one_device->devid_kobj); + if (one_device->devid_kobj.state_initialized) { + kobject_del(&one_device->devid_kobj); + kobject_put(&one_device->devid_kobj); - wait_for_completion(&one_device->kobj_unregister); + wait_for_completion(&one_device->kobj_unregister); + } return 0; } @@ -1186,10 +1188,12 @@ int btrfs_sysfs_remove_devices_dir(struct btrfs_fs_devices *fs_devices, sysfs_remove_link(fs_devices->devices_kobj, disk_kobj->name); } - kobject_del(&one_device->devid_kobj); - kobject_put(&one_device->devid_kobj); + if (one_device->devid_kobj.state_initialized) { + kobject_del(&one_device->devid_kobj); + kobject_put(&one_device->devid_kobj); - wait_for_completion(&one_device->kobj_unregister); + wait_for_completion(&one_device->kobj_unregister); + } } return 0; diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c index 20c6ac1a5de7fa..d2fc292ac61b1d 100644 --- a/fs/btrfs/transaction.c +++ b/fs/btrfs/transaction.c @@ -1636,6 +1636,7 @@ static noinline int create_pending_snapshot(struct btrfs_trans_handle *trans, pending->snap = btrfs_get_new_fs_root(fs_info, objectid, pending->anon_dev); if (IS_ERR(pending->snap)) { ret = PTR_ERR(pending->snap); + pending->snap = NULL; btrfs_abort_transaction(trans, ret); goto fail; } diff --git a/fs/btrfs/tree-checker.c b/fs/btrfs/tree-checker.c index 517b44300a05c9..7b1fee630f9785 100644 --- a/fs/btrfs/tree-checker.c +++ b/fs/btrfs/tree-checker.c @@ -984,7 +984,7 @@ static int check_inode_item(struct extent_buffer *leaf, /* Note for ROOT_TREE_DIR_ITEM, mkfs could set its transid 0 */ if (btrfs_inode_transid(leaf, iitem) > super_gen + 1) { inode_item_err(leaf, slot, - "invalid inode generation: has %llu expect [0, %llu]", + "invalid inode transid: has %llu expect [0, %llu]", btrfs_inode_transid(leaf, iitem), super_gen + 1); return -EUCLEAN; } diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c index 696dd861cc3c63..39da9db3527860 100644 --- a/fs/btrfs/tree-log.c +++ b/fs/btrfs/tree-log.c @@ -3449,11 +3449,13 @@ fail: btrfs_free_path(path); out_unlock: mutex_unlock(&dir->log_mutex); - if (ret == -ENOSPC) { + if (err == -ENOSPC) { btrfs_set_log_full_commit(trans); - ret = 0; - } else if (ret < 0) - btrfs_abort_transaction(trans, ret); + err = 0; + } else if (err < 0 && err != -ENOENT) { + /* ENOENT can be returned if the entry hasn't been fsynced yet */ + btrfs_abort_transaction(trans, err); + } btrfs_end_log_trans(root); diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index ee96c5869f57e2..1997a7d67f22fa 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -4,6 +4,7 @@ */ #include <linux/sched.h> +#include <linux/sched/mm.h> #include <linux/bio.h> #include <linux/slab.h> #include <linux/blkdev.h> @@ -1998,9 +1999,9 @@ static u64 btrfs_num_devices(struct btrfs_fs_info *fs_info) return num_devices; } -static void btrfs_scratch_superblocks(struct btrfs_fs_info *fs_info, - struct block_device *bdev, - const char *device_path) +void btrfs_scratch_superblocks(struct btrfs_fs_info *fs_info, + struct block_device *bdev, + const char *device_path) { struct btrfs_super_block *disk_super; int copy_num; @@ -2223,11 +2224,7 @@ void btrfs_rm_dev_replace_free_srcdev(struct btrfs_device *srcdev) struct btrfs_fs_info *fs_info = srcdev->fs_info; struct btrfs_fs_devices *fs_devices = srcdev->fs_devices; - if (test_bit(BTRFS_DEV_STATE_WRITEABLE, &srcdev->dev_state)) { - /* zero out the old super if it is writable */ - btrfs_scratch_superblocks(fs_info, srcdev->bdev, - srcdev->name->str); - } + mutex_lock(&uuid_mutex); btrfs_close_bdev(srcdev); synchronize_rcu(); @@ -2257,6 +2254,7 @@ void btrfs_rm_dev_replace_free_srcdev(struct btrfs_device *srcdev) close_fs_devices(fs_devices); free_fs_devices(fs_devices); } + mutex_unlock(&uuid_mutex); } void btrfs_destroy_dev_replace_tgtdev(struct btrfs_device *tgtdev) @@ -4462,6 +4460,7 @@ int btrfs_uuid_scan_kthread(void *data) goto skip; } update_tree: + btrfs_release_path(path); if (!btrfs_is_empty_uuid(root_item.uuid)) { ret = btrfs_uuid_tree_add(trans, root_item.uuid, BTRFS_UUID_KEY_SUBVOL, @@ -4486,6 +4485,7 @@ update_tree: } skip: + btrfs_release_path(path); if (trans) { ret = btrfs_end_transaction(trans); trans = NULL; @@ -4493,7 +4493,6 @@ skip: break; } - btrfs_release_path(path); if (key.offset < (u64)-1) { key.offset++; } else if (key.type < BTRFS_ROOT_ITEM_KEY) { @@ -6483,8 +6482,17 @@ static struct btrfs_device *add_missing_dev(struct btrfs_fs_devices *fs_devices, u64 devid, u8 *dev_uuid) { struct btrfs_device *device; + unsigned int nofs_flag; + /* + * We call this under the chunk_mutex, so we want to use NOFS for this + * allocation, however we don't want to change btrfs_alloc_device() to + * always do NOFS because we use it in a lot of other GFP_KERNEL safe + * places. + */ + nofs_flag = memalloc_nofs_save(); device = btrfs_alloc_device(NULL, &devid, dev_uuid); + memalloc_nofs_restore(nofs_flag); if (IS_ERR(device)) return device; diff --git a/fs/btrfs/volumes.h b/fs/btrfs/volumes.h index 5eea93916fbf11..302c9234f7d081 100644 --- a/fs/btrfs/volumes.h +++ b/fs/btrfs/volumes.h @@ -573,6 +573,9 @@ void btrfs_set_fs_info_ptr(struct btrfs_fs_info *fs_info); void btrfs_reset_fs_info_ptr(struct btrfs_fs_info *fs_info); bool btrfs_check_rw_degradable(struct btrfs_fs_info *fs_info, struct btrfs_device *failing_dev); +void btrfs_scratch_superblocks(struct btrfs_fs_info *fs_info, + struct block_device *bdev, + const char *device_path); int btrfs_bg_type_to_factor(u64 flags); const char *btrfs_bg_type_to_raid_name(u64 flags); diff --git a/fs/buffer.c b/fs/buffer.c index d468ed9981e06c..50bbc99e3d960d 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -1958,7 +1958,7 @@ iomap_to_bh(struct inode *inode, sector_t block, struct buffer_head *bh, */ set_buffer_new(bh); set_buffer_unwritten(bh); - /* FALLTHRU */ + fallthrough; case IOMAP_MAPPED: if ((iomap->flags & IOMAP_F_NEW) || offset >= i_size_read(inode)) diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c index 55ccccf77ceab5..034b3f4fdd3a7f 100644 --- a/fs/ceph/caps.c +++ b/fs/ceph/caps.c @@ -887,8 +887,8 @@ int __ceph_caps_issued_mask(struct ceph_inode_info *ci, int mask, int touch) int have = ci->i_snap_caps; if ((have & mask) == mask) { - dout("__ceph_caps_issued_mask ino 0x%lx snap issued %s" - " (mask %s)\n", ci->vfs_inode.i_ino, + dout("__ceph_caps_issued_mask ino 0x%llx snap issued %s" + " (mask %s)\n", ceph_ino(&ci->vfs_inode), ceph_cap_string(have), ceph_cap_string(mask)); return 1; @@ -899,8 +899,8 @@ int __ceph_caps_issued_mask(struct ceph_inode_info *ci, int mask, int touch) if (!__cap_is_valid(cap)) continue; if ((cap->issued & mask) == mask) { - dout("__ceph_caps_issued_mask ino 0x%lx cap %p issued %s" - " (mask %s)\n", ci->vfs_inode.i_ino, cap, + dout("__ceph_caps_issued_mask ino 0x%llx cap %p issued %s" + " (mask %s)\n", ceph_ino(&ci->vfs_inode), cap, ceph_cap_string(cap->issued), ceph_cap_string(mask)); if (touch) @@ -911,8 +911,8 @@ int __ceph_caps_issued_mask(struct ceph_inode_info *ci, int mask, int touch) /* does a combination of caps satisfy mask? */ have |= cap->issued; if ((have & mask) == mask) { - dout("__ceph_caps_issued_mask ino 0x%lx combo issued %s" - " (mask %s)\n", ci->vfs_inode.i_ino, + dout("__ceph_caps_issued_mask ino 0x%llx combo issued %s" + " (mask %s)\n", ceph_ino(&ci->vfs_inode), ceph_cap_string(cap->issued), ceph_cap_string(mask)); if (touch) { @@ -2872,7 +2872,7 @@ int ceph_get_caps(struct file *filp, int need, int want, struct cap_wait cw; DEFINE_WAIT_FUNC(wait, woken_wake_function); - cw.ino = inode->i_ino; + cw.ino = ceph_ino(inode); cw.tgid = current->tgid; cw.need = need; cw.want = want; diff --git a/fs/ceph/debugfs.c b/fs/ceph/debugfs.c index 97539b497e4c41..3e3fcda9b276cb 100644 --- a/fs/ceph/debugfs.c +++ b/fs/ceph/debugfs.c @@ -202,7 +202,7 @@ static int caps_show_cb(struct inode *inode, struct ceph_cap *cap, void *p) { struct seq_file *s = p; - seq_printf(s, "0x%-17lx%-17s%-17s\n", inode->i_ino, + seq_printf(s, "0x%-17llx%-17s%-17s\n", ceph_ino(inode), ceph_cap_string(cap->issued), ceph_cap_string(cap->implemented)); return 0; @@ -247,7 +247,7 @@ static int caps_show(struct seq_file *s, void *p) spin_lock(&mdsc->caps_list_lock); list_for_each_entry(cw, &mdsc->cap_wait_list, list) { - seq_printf(s, "%-13d0x%-17lx%-17s%-17s\n", cw->tgid, cw->ino, + seq_printf(s, "%-13d0x%-17llx%-17s%-17s\n", cw->tgid, cw->ino, ceph_cap_string(cw->need), ceph_cap_string(cw->want)); } diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c index 060bdcc5ce32cf..d72e4a12bb69ad 100644 --- a/fs/ceph/dir.c +++ b/fs/ceph/dir.c @@ -259,9 +259,7 @@ static int __dcache_readdir(struct file *file, struct dir_context *ctx, dentry, dentry, d_inode(dentry)); ctx->pos = di->offset; if (!dir_emit(ctx, dentry->d_name.name, - dentry->d_name.len, - ceph_translate_ino(dentry->d_sb, - d_inode(dentry)->i_ino), + dentry->d_name.len, ceph_present_inode(d_inode(dentry)), d_inode(dentry)->i_mode >> 12)) { dput(dentry); err = 0; @@ -324,18 +322,21 @@ static int ceph_readdir(struct file *file, struct dir_context *ctx) /* always start with . and .. */ if (ctx->pos == 0) { dout("readdir off 0 -> '.'\n"); - if (!dir_emit(ctx, ".", 1, - ceph_translate_ino(inode->i_sb, inode->i_ino), + if (!dir_emit(ctx, ".", 1, ceph_present_inode(inode), inode->i_mode >> 12)) return 0; ctx->pos = 1; } if (ctx->pos == 1) { - ino_t ino = parent_ino(file->f_path.dentry); + u64 ino; + struct dentry *dentry = file->f_path.dentry; + + spin_lock(&dentry->d_lock); + ino = ceph_present_inode(dentry->d_parent->d_inode); + spin_unlock(&dentry->d_lock); + dout("readdir off 1 -> '..'\n"); - if (!dir_emit(ctx, "..", 2, - ceph_translate_ino(inode->i_sb, ino), - inode->i_mode >> 12)) + if (!dir_emit(ctx, "..", 2, ino, inode->i_mode >> 12)) return 0; ctx->pos = 2; } @@ -507,9 +508,6 @@ more: } for (; i < rinfo->dir_nr; i++) { struct ceph_mds_reply_dir_entry *rde = rinfo->dir_entries + i; - struct ceph_vino vino; - ino_t ino; - u32 ftype; BUG_ON(rde->offset < ctx->pos); @@ -519,13 +517,10 @@ more: rde->name_len, rde->name, &rde->inode.in); BUG_ON(!rde->inode.in); - ftype = le32_to_cpu(rde->inode.in->mode) >> 12; - vino.ino = le64_to_cpu(rde->inode.in->ino); - vino.snap = le64_to_cpu(rde->inode.in->snapid); - ino = ceph_vino_to_ino(vino); if (!dir_emit(ctx, rde->name, rde->name_len, - ceph_translate_ino(inode->i_sb, ino), ftype)) { + ceph_present_ino(inode->i_sb, le64_to_cpu(rde->inode.in->ino)), + le32_to_cpu(rde->inode.in->mode) >> 12)) { dout("filldir stopping us...\n"); return 0; } @@ -1161,7 +1156,7 @@ retry: if (try_async && op == CEPH_MDS_OP_UNLINK && (req->r_dir_caps = get_caps_for_async_unlink(dir, dentry))) { - dout("async unlink on %lu/%.*s caps=%s", dir->i_ino, + dout("async unlink on %llu/%.*s caps=%s", ceph_ino(dir), dentry->d_name.len, dentry->d_name.name, ceph_cap_string(req->r_dir_caps)); set_bit(CEPH_MDS_R_ASYNC, &req->r_req_flags); @@ -1745,7 +1740,7 @@ static int ceph_d_revalidate(struct dentry *dentry, unsigned int flags) case -ENOENT: if (d_really_is_negative(dentry)) valid = 1; - /* Fallthrough */ + fallthrough; default: break; } diff --git a/fs/ceph/file.c b/fs/ceph/file.c index d51c3f2fdca025..3f4c993dfc6fec 100644 --- a/fs/ceph/file.c +++ b/fs/ceph/file.c @@ -252,7 +252,7 @@ static int ceph_init_file(struct inode *inode, struct file *file, int fmode) case S_IFREG: ceph_fscache_register_inode_cookie(inode); ceph_fscache_file_set_cookie(inode, file); - /* fall through */ + fallthrough; case S_IFDIR: ret = ceph_init_file_info(inode, file, fmode, S_ISDIR(inode->i_mode)); @@ -630,8 +630,8 @@ static int ceph_finish_async_create(struct inode *dir, struct dentry *dentry, } else { struct dentry *dn; - dout("%s d_adding new inode 0x%llx to 0x%lx/%s\n", __func__, - vino.ino, dir->i_ino, dentry->d_name.name); + dout("%s d_adding new inode 0x%llx to 0x%llx/%s\n", __func__, + vino.ino, ceph_ino(dir), dentry->d_name.name); ceph_dir_clear_ordered(dir); ceph_init_inode_acls(inode, as_ctx); if (inode->i_state & I_NEW) { @@ -2507,6 +2507,7 @@ const struct file_operations ceph_file_fops = { .mmap = ceph_mmap, .fsync = ceph_fsync, .lock = ceph_lock, + .setlease = simple_nosetlease, .flock = ceph_flock, .splice_read = generic_file_splice_read, .splice_write = iter_file_splice_write, diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c index 357c937699d567..d163fa96cb4016 100644 --- a/fs/ceph/inode.c +++ b/fs/ceph/inode.c @@ -41,8 +41,10 @@ static void ceph_inode_work(struct work_struct *work); */ static int ceph_set_ino_cb(struct inode *inode, void *data) { - ceph_inode(inode)->i_vino = *(struct ceph_vino *)data; - inode->i_ino = ceph_vino_to_ino(*(struct ceph_vino *)data); + struct ceph_inode_info *ci = ceph_inode(inode); + + ci->i_vino = *(struct ceph_vino *)data; + inode->i_ino = ceph_vino_to_ino_t(ci->i_vino); inode_set_iversion_raw(inode, 0); return 0; } @@ -50,17 +52,14 @@ static int ceph_set_ino_cb(struct inode *inode, void *data) struct inode *ceph_get_inode(struct super_block *sb, struct ceph_vino vino) { struct inode *inode; - ino_t t = ceph_vino_to_ino(vino); - inode = iget5_locked(sb, t, ceph_ino_compare, ceph_set_ino_cb, &vino); + inode = iget5_locked(sb, (unsigned long)vino.ino, ceph_ino_compare, + ceph_set_ino_cb, &vino); if (!inode) return ERR_PTR(-ENOMEM); - if (inode->i_state & I_NEW) - dout("get_inode created new inode %p %llx.%llx ino %llx\n", - inode, ceph_vinop(inode), (u64)inode->i_ino); - dout("get_inode on %lu=%llx.%llx got %p\n", inode->i_ino, vino.ino, - vino.snap, inode); + dout("get_inode on %llu=%llx.%llx got %p new %d\n", ceph_present_inode(inode), + ceph_vinop(inode), inode, !!(inode->i_state & I_NEW)); return inode; } @@ -2378,7 +2377,7 @@ int ceph_getattr(const struct path *path, struct kstat *stat, } generic_fillattr(inode, stat); - stat->ino = ceph_translate_ino(inode->i_sb, inode->i_ino); + stat->ino = ceph_present_inode(inode); /* * btime on newly-allocated inodes is 0, so if this is still set to diff --git a/fs/ceph/mds_client.h b/fs/ceph/mds_client.h index bc9e95937d7c6a..658800605bfb48 100644 --- a/fs/ceph/mds_client.h +++ b/fs/ceph/mds_client.h @@ -372,7 +372,7 @@ struct ceph_quotarealm_inode { struct cap_wait { struct list_head list; - unsigned long ino; + u64 ino; pid_t tgid; int need; int want; diff --git a/fs/ceph/quota.c b/fs/ceph/quota.c index 198ddde5c1e6ae..cc2c4d40b0222f 100644 --- a/fs/ceph/quota.c +++ b/fs/ceph/quota.c @@ -23,12 +23,12 @@ static inline bool ceph_has_realms_with_quotas(struct inode *inode) { struct ceph_mds_client *mdsc = ceph_inode_to_client(inode)->mdsc; struct super_block *sb = mdsc->fsc->sb; + struct inode *root = d_inode(sb->s_root); if (atomic64_read(&mdsc->quotarealms_count) > 0) return true; /* if root is the real CephFS root, we don't have quota realms */ - if (sb->s_root->d_inode && - (sb->s_root->d_inode->i_ino == CEPH_INO_ROOT)) + if (root && ceph_ino(root) == CEPH_INO_ROOT) return false; /* otherwise, we can't know for sure */ return true; diff --git a/fs/ceph/super.h b/fs/ceph/super.h index 4c3c964b1c5434..a3995ebe0623e9 100644 --- a/fs/ceph/super.h +++ b/fs/ceph/super.h @@ -457,15 +457,7 @@ ceph_vino(const struct inode *inode) return ceph_inode(inode)->i_vino; } -/* - * ino_t is <64 bits on many architectures, blech. - * - * i_ino (kernel inode) st_ino (userspace) - * i386 32 32 - * x86_64+ino32 64 32 - * x86_64 64 64 - */ -static inline u32 ceph_ino_to_ino32(__u64 vino) +static inline u32 ceph_ino_to_ino32(u64 vino) { u32 ino = vino & 0xffffffff; ino ^= vino >> 32; @@ -475,34 +467,17 @@ static inline u32 ceph_ino_to_ino32(__u64 vino) } /* - * kernel i_ino value + * Inode numbers in cephfs are 64 bits, but inode->i_ino is 32-bits on + * some arches. We generally do not use this value inside the ceph driver, but + * we do want to set it to something, so that generic vfs code has an + * appropriate value for tracepoints and the like. */ -static inline ino_t ceph_vino_to_ino(struct ceph_vino vino) +static inline ino_t ceph_vino_to_ino_t(struct ceph_vino vino) { -#if BITS_PER_LONG == 32 - return ceph_ino_to_ino32(vino.ino); -#else + if (sizeof(ino_t) == sizeof(u32)) + return ceph_ino_to_ino32(vino.ino); return (ino_t)vino.ino; -#endif -} - -/* - * user-visible ino (stat, filldir) - */ -#if BITS_PER_LONG == 32 -static inline ino_t ceph_translate_ino(struct super_block *sb, ino_t ino) -{ - return ino; -} -#else -static inline ino_t ceph_translate_ino(struct super_block *sb, ino_t ino) -{ - if (ceph_test_mount_opt(ceph_sb_to_client(sb), INO32)) - ino = ceph_ino_to_ino32(ino); - return ino; } -#endif - /* for printf-style formatting */ #define ceph_vinop(i) ceph_inode(i)->i_vino.ino, ceph_inode(i)->i_vino.snap @@ -511,11 +486,34 @@ static inline u64 ceph_ino(struct inode *inode) { return ceph_inode(inode)->i_vino.ino; } + static inline u64 ceph_snap(struct inode *inode) { return ceph_inode(inode)->i_vino.snap; } +/** + * ceph_present_ino - format an inode number for presentation to userland + * @sb: superblock where the inode lives + * @ino: inode number to (possibly) convert + * + * If the user mounted with the ino32 option, then the 64-bit value needs + * to be converted to something that can fit inside 32 bits. Note that + * internal kernel code never uses this value, so this is entirely for + * userland consumption. + */ +static inline u64 ceph_present_ino(struct super_block *sb, u64 ino) +{ + if (unlikely(ceph_test_mount_opt(ceph_sb_to_client(sb), INO32))) + return ceph_ino_to_ino32(ino); + return ino; +} + +static inline u64 ceph_present_inode(struct inode *inode) +{ + return ceph_present_ino(inode->i_sb, ceph_ino(inode)); +} + static inline int ceph_ino_compare(struct inode *inode, void *data) { struct ceph_vino *pvino = (struct ceph_vino *)data; @@ -524,11 +522,16 @@ static inline int ceph_ino_compare(struct inode *inode, void *data) ci->i_vino.snap == pvino->snap; } + static inline struct inode *ceph_find_inode(struct super_block *sb, struct ceph_vino vino) { - ino_t t = ceph_vino_to_ino(vino); - return ilookup5(sb, t, ceph_ino_compare, &vino); + /* + * NB: The hashval will be run through the fs/inode.c hash function + * anyway, so there is no need to squash the inode number down to + * 32-bits first. Just use low-order bits on arches with 32-bit long. + */ + return ilookup5(sb, (unsigned long)vino.ino, ceph_ino_compare, &vino); } diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h index b296964b8afa6c..b565d83ba89ed9 100644 --- a/fs/cifs/cifsglob.h +++ b/fs/cifs/cifsglob.h @@ -2031,4 +2031,19 @@ static inline bool is_smb1_server(struct TCP_Server_Info *server) return strcmp(server->vals->version_string, SMB1_VERSION_STRING) == 0; } +static inline bool is_tcon_dfs(struct cifs_tcon *tcon) +{ + /* + * For SMB1, see MS-CIFS 2.4.55 SMB_COM_TREE_CONNECT_ANDX (0x75) and MS-CIFS 3.3.4.4 DFS + * Subsystem Notifies That a Share Is a DFS Share. + * + * For SMB2+, see MS-SMB2 2.2.10 SMB2 TREE_CONNECT Response and MS-SMB2 3.3.4.14 Server + * Application Updates a Share. + */ + if (!tcon || !tcon->ses || !tcon->ses->server) + return false; + return is_smb1_server(tcon->ses->server) ? tcon->Flags & SMB_SHARE_IS_IN_DFS : + tcon->share_flags & (SHI1005_FLAGS_DFS | SHI1005_FLAGS_DFS_ROOT); +} + #endif /* _CIFS_GLOB_H */ diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c index 0e763d2dcf1664..0496934feecb77 100644 --- a/fs/cifs/cifssmb.c +++ b/fs/cifs/cifssmb.c @@ -581,7 +581,7 @@ should_set_ext_sec_flag(enum securityEnum sectype) if (global_secflags & (CIFSSEC_MAY_KRB5 | CIFSSEC_MAY_NTLMSSP)) return true; - /* Fallthrough */ + fallthrough; default: return false; } diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index a275ee399dcea0..a5731dd6e6566e 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -1378,25 +1378,25 @@ static int cifs_parse_security_flavors(char *value, return 1; case Opt_sec_krb5i: vol->sign = true; - /* Fallthrough */ + fallthrough; case Opt_sec_krb5: vol->sectype = Kerberos; break; case Opt_sec_ntlmsspi: vol->sign = true; - /* Fallthrough */ + fallthrough; case Opt_sec_ntlmssp: vol->sectype = RawNTLMSSP; break; case Opt_sec_ntlmi: vol->sign = true; - /* Fallthrough */ + fallthrough; case Opt_ntlm: vol->sectype = NTLM; break; case Opt_sec_ntlmv2i: vol->sign = true; - /* Fallthrough */ + fallthrough; case Opt_sec_ntlmv2: vol->sectype = NTLMv2; break; @@ -2187,7 +2187,7 @@ cifs_parse_mount_options(const char *mountdata, const char *devname, vol->password = NULL; break; } - /* Fallthrough - to Opt_pass below.*/ + fallthrough; /* to Opt_pass below */ case Opt_pass: /* Obtain the value string */ value = strchr(data, '='); @@ -4909,7 +4909,7 @@ int cifs_mount(struct cifs_sb_info *cifs_sb, struct smb_vol *vol) if (!tcon) continue; /* Make sure that requests go through new root servers */ - if (tcon->share_flags & (SHI1005_FLAGS_DFS | SHI1005_FLAGS_DFS_ROOT)) { + if (is_tcon_dfs(tcon)) { put_root_ses(root_ses); set_root_ses(cifs_sb, ses, &root_ses); } diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c index 3989d08396acb0..1f75b25e559a75 100644 --- a/fs/cifs/inode.c +++ b/fs/cifs/inode.c @@ -1017,6 +1017,8 @@ handle_mnt_opt: if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MODE_FROM_SID) { rc = cifs_acl_to_fattr(cifs_sb, &fattr, *inode, true, full_path, fid); + if (rc == -EREMOTE) + rc = 0; if (rc) { cifs_dbg(FYI, "%s: Get mode from SID failed. rc=%d\n", __func__, rc); @@ -1025,6 +1027,8 @@ handle_mnt_opt: } else if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_CIFS_ACL) { rc = cifs_acl_to_fattr(cifs_sb, &fattr, *inode, false, full_path, fid); + if (rc == -EREMOTE) + rc = 0; if (rc) { cifs_dbg(FYI, "%s: Getting ACL failed with error: %d\n", __func__, rc); diff --git a/fs/cifs/sess.c b/fs/cifs/sess.c index 69cd5856621b8a..de564368a887c2 100644 --- a/fs/cifs/sess.c +++ b/fs/cifs/sess.c @@ -798,7 +798,7 @@ cifs_select_sectype(struct TCP_Server_Info *server, enum securityEnum requested) if ((server->sec_kerberos || server->sec_mskerberos) && (global_secflags & CIFSSEC_MAY_KRB5)) return Kerberos; - /* Fallthrough */ + fallthrough; default: return Unspecified; } @@ -815,7 +815,7 @@ cifs_select_sectype(struct TCP_Server_Info *server, enum securityEnum requested) default: break; } - /* Fallthrough - to attempt LANMAN authentication next */ + fallthrough; /* to attempt LANMAN authentication next */ case CIFS_NEGFLAVOR_LANMAN: switch (requested) { case LANMAN: @@ -823,7 +823,7 @@ cifs_select_sectype(struct TCP_Server_Info *server, enum securityEnum requested) case Unspecified: if (global_secflags & CIFSSEC_MAY_LANMAN) return LANMAN; - /* Fallthrough */ + fallthrough; default: return Unspecified; } diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c index 667d70aa335fcc..96c172d94fba40 100644 --- a/fs/cifs/smb2pdu.c +++ b/fs/cifs/smb2pdu.c @@ -1101,7 +1101,7 @@ smb2_select_sectype(struct TCP_Server_Info *server, enum securityEnum requested) if ((server->sec_kerberos || server->sec_mskerberos) && (global_secflags & CIFSSEC_MAY_KRB5)) return Kerberos; - /* Fallthrough */ + fallthrough; default: return Unspecified; } diff --git a/fs/configfs/dir.c b/fs/configfs/dir.c index cb733652ecca6c..ca227372722589 100644 --- a/fs/configfs/dir.c +++ b/fs/configfs/dir.c @@ -1688,11 +1688,11 @@ static loff_t configfs_dir_lseek(struct file *file, loff_t offset, int whence) switch (whence) { case 1: offset += file->f_pos; - /* fall through */ + fallthrough; case 0: if (offset >= 0) break; - /* fall through */ + fallthrough; default: return -EINVAL; } diff --git a/fs/dax.c b/fs/dax.c index 95341af1a9660d..994ab66a990713 100644 --- a/fs/dax.c +++ b/fs/dax.c @@ -1367,7 +1367,7 @@ static vm_fault_t dax_iomap_pte_fault(struct vm_fault *vmf, pfn_t *pfnp, ret = dax_load_hole(&xas, mapping, &entry, vmf); goto finish_iomap; } - /*FALLTHRU*/ + fallthrough; default: WARN_ON_ONCE(1); error = -EIO; diff --git a/fs/debugfs/file.c b/fs/debugfs/file.c index b167d2d0214849..a768a09430c3a9 100644 --- a/fs/debugfs/file.c +++ b/fs/debugfs/file.c @@ -177,7 +177,7 @@ static int open_proxy_open(struct inode *inode, struct file *filp) goto out; if (!fops_get(real_fops)) { -#ifdef MODULE +#ifdef CONFIG_MODULES if (real_fops->owner && real_fops->owner->state == MODULE_STATE_GOING) goto out; @@ -312,7 +312,7 @@ static int full_proxy_open(struct inode *inode, struct file *filp) goto out; if (!fops_get(real_fops)) { -#ifdef MODULE +#ifdef CONFIG_MODULES if (real_fops->owner && real_fops->owner->state == MODULE_STATE_GOING) goto out; diff --git a/fs/dlm/lock.c b/fs/dlm/lock.c index 18d81599522f34..002123efc6b052 100644 --- a/fs/dlm/lock.c +++ b/fs/dlm/lock.c @@ -5817,7 +5817,7 @@ int dlm_user_request(struct dlm_ls *ls, struct dlm_user_args *ua, break; case -EAGAIN: error = 0; - /* fall through */ + fallthrough; default: __put_lkb(ls, lkb); goto out; diff --git a/fs/erofs/zmap.c b/fs/erofs/zmap.c index 7d40d78ea8648e..ae325541884e3b 100644 --- a/fs/erofs/zmap.c +++ b/fs/erofs/zmap.c @@ -359,7 +359,7 @@ static int z_erofs_extent_lookback(struct z_erofs_maprecorder *m, return z_erofs_extent_lookback(m, m->delta[0]); case Z_EROFS_VLE_CLUSTER_TYPE_PLAIN: map->m_flags &= ~EROFS_MAP_ZIPPED; - /* fallthrough */ + fallthrough; case Z_EROFS_VLE_CLUSTER_TYPE_HEAD: map->m_la = (lcn << lclusterbits) | m->clusterofs; break; @@ -416,7 +416,7 @@ int z_erofs_map_blocks_iter(struct inode *inode, case Z_EROFS_VLE_CLUSTER_TYPE_PLAIN: if (endoff >= m.clusterofs) map->m_flags &= ~EROFS_MAP_ZIPPED; - /* fallthrough */ + fallthrough; case Z_EROFS_VLE_CLUSTER_TYPE_HEAD: if (endoff >= m.clusterofs) { map->m_la = (m.lcn << lclusterbits) | m.clusterofs; @@ -433,7 +433,7 @@ int z_erofs_map_blocks_iter(struct inode *inode, end = (m.lcn << lclusterbits) | m.clusterofs; map->m_flags |= EROFS_MAP_FULL_MAPPED; m.delta[0] = 1; - /* fallthrough */ + fallthrough; case Z_EROFS_VLE_CLUSTER_TYPE_NONHEAD: /* get the correspoinding first chunk */ err = z_erofs_extent_lookback(&m, m.delta[0]); diff --git a/fs/eventpoll.c b/fs/eventpoll.c index e0decff22ae273..4df61129566d40 100644 --- a/fs/eventpoll.c +++ b/fs/eventpoll.c @@ -218,8 +218,7 @@ struct eventpoll { struct file *file; /* used to optimize loop detection check */ - struct list_head visited_list_link; - int visited; + u64 gen; #ifdef CONFIG_NET_RX_BUSY_POLL /* used to track busy poll napi_id */ @@ -274,6 +273,8 @@ static long max_user_watches __read_mostly; */ static DEFINE_MUTEX(epmutex); +static u64 loop_check_gen = 0; + /* Used to check for epoll file descriptor inclusion loops */ static struct nested_calls poll_loop_ncalls; @@ -283,9 +284,6 @@ static struct kmem_cache *epi_cache __read_mostly; /* Slab cache used to allocate "struct eppoll_entry" */ static struct kmem_cache *pwq_cache __read_mostly; -/* Visited nodes during ep_loop_check(), so we can unset them when we finish */ -static LIST_HEAD(visited_list); - /* * List of files with newly added links, where we may need to limit the number * of emanating paths. Protected by the epmutex. @@ -1450,7 +1448,7 @@ static int reverse_path_check(void) static int ep_create_wakeup_source(struct epitem *epi) { - const char *name; + struct name_snapshot n; struct wakeup_source *ws; if (!epi->ep->ws) { @@ -1459,8 +1457,9 @@ static int ep_create_wakeup_source(struct epitem *epi) return -ENOMEM; } - name = epi->ffd.file->f_path.dentry->d_name.name; - ws = wakeup_source_register(NULL, name); + take_dentry_name_snapshot(&n, epi->ffd.file->f_path.dentry); + ws = wakeup_source_register(NULL, n.name.name); + release_dentry_name_snapshot(&n); if (!ws) return -ENOMEM; @@ -1522,6 +1521,22 @@ static int ep_insert(struct eventpoll *ep, const struct epoll_event *event, RCU_INIT_POINTER(epi->ws, NULL); } + /* Add the current item to the list of active epoll hook for this file */ + spin_lock(&tfile->f_lock); + list_add_tail_rcu(&epi->fllink, &tfile->f_ep_links); + spin_unlock(&tfile->f_lock); + + /* + * Add the current item to the RB tree. All RB tree operations are + * protected by "mtx", and ep_insert() is called with "mtx" held. + */ + ep_rbtree_insert(ep, epi); + + /* now check if we've created too many backpaths */ + error = -EINVAL; + if (full_check && reverse_path_check()) + goto error_remove_epi; + /* Initialize the poll table using the queue callback */ epq.epi = epi; init_poll_funcptr(&epq.pt, ep_ptable_queue_proc); @@ -1544,22 +1559,6 @@ static int ep_insert(struct eventpoll *ep, const struct epoll_event *event, if (epi->nwait < 0) goto error_unregister; - /* Add the current item to the list of active epoll hook for this file */ - spin_lock(&tfile->f_lock); - list_add_tail_rcu(&epi->fllink, &tfile->f_ep_links); - spin_unlock(&tfile->f_lock); - - /* - * Add the current item to the RB tree. All RB tree operations are - * protected by "mtx", and ep_insert() is called with "mtx" held. - */ - ep_rbtree_insert(ep, epi); - - /* now check if we've created too many backpaths */ - error = -EINVAL; - if (full_check && reverse_path_check()) - goto error_remove_epi; - /* We have to drop the new item inside our item list to keep track of it */ write_lock_irq(&ep->lock); @@ -1588,6 +1587,8 @@ static int ep_insert(struct eventpoll *ep, const struct epoll_event *event, return 0; +error_unregister: + ep_unregister_pollwait(ep, epi); error_remove_epi: spin_lock(&tfile->f_lock); list_del_rcu(&epi->fllink); @@ -1595,9 +1596,6 @@ error_remove_epi: rb_erase_cached(&epi->rbn, &ep->rbr); -error_unregister: - ep_unregister_pollwait(ep, epi); - /* * We need to do this because an event could have been arrived on some * allocated wait queue. Note that we don't care about the ep->ovflist @@ -1972,13 +1970,12 @@ static int ep_loop_check_proc(void *priv, void *cookie, int call_nests) struct epitem *epi; mutex_lock_nested(&ep->mtx, call_nests + 1); - ep->visited = 1; - list_add(&ep->visited_list_link, &visited_list); + ep->gen = loop_check_gen; for (rbp = rb_first_cached(&ep->rbr); rbp; rbp = rb_next(rbp)) { epi = rb_entry(rbp, struct epitem, rbn); if (unlikely(is_file_epoll(epi->ffd.file))) { ep_tovisit = epi->ffd.file->private_data; - if (ep_tovisit->visited) + if (ep_tovisit->gen == loop_check_gen) continue; error = ep_call_nested(&poll_loop_ncalls, ep_loop_check_proc, epi->ffd.file, @@ -1995,9 +1992,9 @@ static int ep_loop_check_proc(void *priv, void *cookie, int call_nests) * during ep_insert(). */ if (list_empty(&epi->ffd.file->f_tfile_llink)) { - get_file(epi->ffd.file); - list_add(&epi->ffd.file->f_tfile_llink, - &tfile_check_list); + if (get_file_rcu(epi->ffd.file)) + list_add(&epi->ffd.file->f_tfile_llink, + &tfile_check_list); } } } @@ -2019,18 +2016,8 @@ static int ep_loop_check_proc(void *priv, void *cookie, int call_nests) */ static int ep_loop_check(struct eventpoll *ep, struct file *file) { - int ret; - struct eventpoll *ep_cur, *ep_next; - - ret = ep_call_nested(&poll_loop_ncalls, + return ep_call_nested(&poll_loop_ncalls, ep_loop_check_proc, file, ep, current); - /* clear visited list */ - list_for_each_entry_safe(ep_cur, ep_next, &visited_list, - visited_list_link) { - ep_cur->visited = 0; - list_del(&ep_cur->visited_list_link); - } - return ret; } static void clear_tfile_check_list(void) @@ -2195,11 +2182,13 @@ int do_epoll_ctl(int epfd, int op, int fd, struct epoll_event *epds, goto error_tgt_fput; if (op == EPOLL_CTL_ADD) { if (!list_empty(&f.file->f_ep_links) || + ep->gen == loop_check_gen || is_file_epoll(tf.file)) { mutex_unlock(&ep->mtx); error = epoll_mutex_lock(&epmutex, 0, nonblock); if (error) goto error_tgt_fput; + loop_check_gen++; full_check = 1; if (is_file_epoll(tf.file)) { error = -ELOOP; @@ -2263,6 +2252,7 @@ int do_epoll_ctl(int epfd, int op, int fd, struct epoll_event *epds, error_tgt_fput: if (full_check) { clear_tfile_check_list(); + loop_check_gen++; mutex_unlock(&epmutex); } diff --git a/fs/exfat/cache.c b/fs/exfat/cache.c index 03d0824fc368a5..5a2f119b7e8c79 100644 --- a/fs/exfat/cache.c +++ b/fs/exfat/cache.c @@ -17,7 +17,6 @@ #include "exfat_raw.h" #include "exfat_fs.h" -#define EXFAT_CACHE_VALID 0 #define EXFAT_MAX_CACHE 16 struct exfat_cache { @@ -61,16 +60,6 @@ void exfat_cache_shutdown(void) kmem_cache_destroy(exfat_cachep); } -void exfat_cache_init_inode(struct inode *inode) -{ - struct exfat_inode_info *ei = EXFAT_I(inode); - - spin_lock_init(&ei->cache_lru_lock); - ei->nr_caches = 0; - ei->cache_valid_id = EXFAT_CACHE_VALID + 1; - INIT_LIST_HEAD(&ei->cache_lru); -} - static inline struct exfat_cache *exfat_cache_alloc(void) { return kmem_cache_alloc(exfat_cachep, GFP_NOFS); diff --git a/fs/exfat/exfat_fs.h b/fs/exfat/exfat_fs.h index 95d717f8620cd0..c013fe931d9c17 100644 --- a/fs/exfat/exfat_fs.h +++ b/fs/exfat/exfat_fs.h @@ -248,6 +248,8 @@ struct exfat_sb_info { struct rcu_head rcu; }; +#define EXFAT_CACHE_VALID 0 + /* * EXFAT file system inode in-memory data */ @@ -428,7 +430,6 @@ extern const struct dentry_operations exfat_utf8_dentry_ops; /* cache.c */ int exfat_cache_init(void); void exfat_cache_shutdown(void); -void exfat_cache_init_inode(struct inode *inode); void exfat_cache_inval_inode(struct inode *inode); int exfat_get_cluster(struct inode *inode, unsigned int cluster, unsigned int *fclus, unsigned int *dclus, diff --git a/fs/exfat/inode.c b/fs/exfat/inode.c index 7f90204adef530..a6de17cac3dfd5 100644 --- a/fs/exfat/inode.c +++ b/fs/exfat/inode.c @@ -611,8 +611,6 @@ static int exfat_fill_inode(struct inode *inode, struct exfat_dir_entry *info) ei->i_crtime = info->crtime; inode->i_atime = info->atime; - exfat_cache_init_inode(inode); - return 0; } diff --git a/fs/exfat/namei.c b/fs/exfat/namei.c index e73f20f66cb2e1..c94ac239f740b0 100644 --- a/fs/exfat/namei.c +++ b/fs/exfat/namei.c @@ -578,7 +578,8 @@ static int exfat_create(struct inode *dir, struct dentry *dentry, umode_t mode, i_pos = exfat_make_i_pos(&info); inode = exfat_build_inode(sb, &info, i_pos); - if (IS_ERR(inode)) + err = PTR_ERR_OR_ZERO(inode); + if (err) goto unlock; inode_inc_iversion(inode); @@ -745,10 +746,9 @@ static struct dentry *exfat_lookup(struct inode *dir, struct dentry *dentry, i_pos = exfat_make_i_pos(&info); inode = exfat_build_inode(sb, &info, i_pos); - if (IS_ERR(inode)) { - err = PTR_ERR(inode); + err = PTR_ERR_OR_ZERO(inode); + if (err) goto unlock; - } i_mode = inode->i_mode; alias = d_find_alias(inode); @@ -890,10 +890,9 @@ static int exfat_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) i_pos = exfat_make_i_pos(&info); inode = exfat_build_inode(sb, &info, i_pos); - if (IS_ERR(inode)) { - err = PTR_ERR(inode); + err = PTR_ERR_OR_ZERO(inode); + if (err) goto unlock; - } inode_inc_iversion(inode); inode->i_mtime = inode->i_atime = inode->i_ctime = diff --git a/fs/exfat/super.c b/fs/exfat/super.c index 3b6a1659892ffd..60b941ba557b41 100644 --- a/fs/exfat/super.c +++ b/fs/exfat/super.c @@ -376,7 +376,6 @@ static int exfat_read_root(struct inode *inode) inode->i_mtime = inode->i_atime = inode->i_ctime = ei->i_crtime = current_time(inode); exfat_truncate_atime(&inode->i_atime); - exfat_cache_init_inode(inode); return 0; } @@ -763,6 +762,10 @@ static void exfat_inode_init_once(void *foo) { struct exfat_inode_info *ei = (struct exfat_inode_info *)foo; + spin_lock_init(&ei->cache_lru_lock); + ei->nr_caches = 0; + ei->cache_valid_id = EXFAT_CACHE_VALID + 1; + INIT_LIST_HEAD(&ei->cache_lru); INIT_HLIST_NODE(&ei->i_hash_fat); inode_init_once(&ei->vfs_inode); } diff --git a/fs/ext2/file.c b/fs/ext2/file.c index 60378ddf1424b0..96044f5dbc0e02 100644 --- a/fs/ext2/file.c +++ b/fs/ext2/file.c @@ -93,8 +93,10 @@ static vm_fault_t ext2_dax_fault(struct vm_fault *vmf) struct inode *inode = file_inode(vmf->vma->vm_file); struct ext2_inode_info *ei = EXT2_I(inode); vm_fault_t ret; + bool write = (vmf->flags & FAULT_FLAG_WRITE) && + (vmf->vma->vm_flags & VM_SHARED); - if (vmf->flags & FAULT_FLAG_WRITE) { + if (write) { sb_start_pagefault(inode->i_sb); file_update_time(vmf->vma->vm_file); } @@ -103,7 +105,7 @@ static vm_fault_t ext2_dax_fault(struct vm_fault *vmf) ret = dax_iomap_fault(vmf, PE_SIZE_PTE, NULL, NULL, &ext2_iomap_ops); up_read(&ei->dax_sem); - if (vmf->flags & FAULT_FLAG_WRITE) + if (write) sb_end_pagefault(inode->i_sb); return ret; } diff --git a/fs/ext2/inode.c b/fs/ext2/inode.c index 80662e1f7889f5..415c21f0e75088 100644 --- a/fs/ext2/inode.c +++ b/fs/ext2/inode.c @@ -1241,7 +1241,7 @@ do_indirects: mark_inode_dirty(inode); ext2_free_branches(inode, &nr, &nr+1, 1); } - /* fall through */ + fallthrough; case EXT2_IND_BLOCK: nr = i_data[EXT2_DIND_BLOCK]; if (nr) { @@ -1249,7 +1249,7 @@ do_indirects: mark_inode_dirty(inode); ext2_free_branches(inode, &nr, &nr+1, 2); } - /* fall through */ + fallthrough; case EXT2_DIND_BLOCK: nr = i_data[EXT2_TIND_BLOCK]; if (nr) { diff --git a/fs/ext2/super.c b/fs/ext2/super.c index dda860562ca346..7fab2b3b5b3980 100644 --- a/fs/ext2/super.c +++ b/fs/ext2/super.c @@ -587,7 +587,7 @@ static int parse_options(char *options, struct super_block *sb, case Opt_xip: ext2_msg(sb, KERN_INFO, "use dax instead of xip"); set_opt(opts->s_mount_opt, XIP); - /* Fall through */ + fallthrough; case Opt_dax: #ifdef CONFIG_FS_DAX ext2_msg(sb, KERN_WARNING, diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 3a196d81f59497..bf596467c234ce 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -4901,7 +4901,7 @@ static void __ext4_update_other_inode_time(struct super_block *sb, (inode->i_state & I_DIRTY_TIME)) { struct ext4_inode_info *ei = EXT4_I(inode); - inode->i_state &= ~(I_DIRTY_TIME | I_DIRTY_TIME_EXPIRED); + inode->i_state &= ~I_DIRTY_TIME; spin_unlock(&inode->i_lock); spin_lock(&ei->i_raw_lock); diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index ed2bca0fce9224..73683e58a08d51 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -3550,6 +3550,9 @@ static int check_direct_IO(struct inode *inode, struct iov_iter *iter, unsigned long align = offset | iov_iter_alignment(iter); struct block_device *bdev = inode->i_sb->s_bdev; + if (iov_iter_rw(iter) == READ && offset >= i_size_read(inode)) + return 1; + if (align & blocksize_mask) { if (bdev) blkbits = blksize_bits(bdev_logical_block_size(bdev)); diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index 16322ea5b46305..d9e52a7f3702fb 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -2646,7 +2646,7 @@ static inline void __mark_inode_dirty_flag(struct inode *inode, case FI_NEW_INODE: if (set) return; - /* fall through */ + fallthrough; case FI_DATA_EXIST: case FI_INLINE_DOTS: case FI_PIN_FILE: diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c index 9bbaa2614679f8..cb1b5b61a1dab4 100644 --- a/fs/f2fs/node.c +++ b/fs/f2fs/node.c @@ -618,10 +618,10 @@ pgoff_t f2fs_get_next_page_offset(struct dnode_of_data *dn, pgoff_t pgofs) switch (dn->max_level) { case 3: base += 2 * indirect_blks; - /* fall through */ + fallthrough; case 2: base += 2 * direct_blks; - /* fall through */ + fallthrough; case 1: base += direct_index; break; @@ -2373,6 +2373,9 @@ static int __f2fs_build_free_nids(struct f2fs_sb_info *sbi, if (unlikely(nid >= nm_i->max_nid)) nid = 0; + if (unlikely(nid % NAT_ENTRY_PER_BLOCK)) + nid = NAT_BLOCK_OFFSET(nid) * NAT_ENTRY_PER_BLOCK; + /* Enough entries */ if (nm_i->nid_cnt[FREE_NID] >= NAT_ENTRY_PER_BLOCK) return 0; diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index a65d357f89a9fa..e247a5ef3713fb 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -799,7 +799,7 @@ static void __locate_dirty_segment(struct f2fs_sb_info *sbi, unsigned int segno, if (__is_large_section(sbi)) { unsigned int secno = GET_SEC_FROM_SEG(sbi, segno); - unsigned short valid_blocks = + block_t valid_blocks = get_valid_blocks(sbi, segno, true); f2fs_bug_on(sbi, unlikely(!valid_blocks || @@ -815,7 +815,7 @@ static void __remove_dirty_segment(struct f2fs_sb_info *sbi, unsigned int segno, enum dirty_type dirty_type) { struct dirty_seglist_info *dirty_i = DIRTY_I(sbi); - unsigned short valid_blocks; + block_t valid_blocks; if (test_and_clear_bit(segno, dirty_i->dirty_segmap[dirty_type])) dirty_i->nr_dirty[dirty_type]--; @@ -4316,8 +4316,8 @@ static void init_dirty_segmap(struct f2fs_sb_info *sbi) struct dirty_seglist_info *dirty_i = DIRTY_I(sbi); struct free_segmap_info *free_i = FREE_I(sbi); unsigned int segno = 0, offset = 0, secno; - unsigned short valid_blocks; - unsigned short blks_per_sec = BLKS_PER_SEC(sbi); + block_t valid_blocks; + block_t blks_per_sec = BLKS_PER_SEC(sbi); while (1) { /* find dirty segment based on free segmap */ diff --git a/fs/fcntl.c b/fs/fcntl.c index 2e4c0fa2074b00..19ac5baad50fdc 100644 --- a/fs/fcntl.c +++ b/fs/fcntl.c @@ -362,7 +362,7 @@ static long do_fcntl(int fd, unsigned int cmd, unsigned long arg, case F_OFD_SETLK: case F_OFD_SETLKW: #endif - /* Fallthrough */ + fallthrough; case F_SETLK: case F_SETLKW: if (copy_from_user(&flock, argp, sizeof(flock))) @@ -771,7 +771,7 @@ static void send_sigio_to_task(struct task_struct *p, if (!do_send_sig_info(signum, &si, p, type)) break; } - /* fall-through - fall back on the old plain SIGIO signal */ + fallthrough; /* fall back on the old plain SIGIO signal */ case 0: do_send_sig_info(SIGIO, SEND_SIG_PRIV, p, type); } diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c index a605c3dddabc76..58b27e4070a30d 100644 --- a/fs/fs-writeback.c +++ b/fs/fs-writeback.c @@ -42,7 +42,6 @@ struct wb_writeback_work { long nr_pages; struct super_block *sb; - unsigned long *older_than_this; enum writeback_sync_modes sync_mode; unsigned int tagged_writepages:1; unsigned int for_kupdate:1; @@ -144,7 +143,9 @@ static void inode_io_list_del_locked(struct inode *inode, struct bdi_writeback *wb) { assert_spin_locked(&wb->list_lock); + assert_spin_locked(&inode->i_lock); + inode->i_state &= ~I_SYNC_QUEUED; list_del_init(&inode->i_io_list); wb_io_lists_depopulated(wb); } @@ -1122,7 +1123,9 @@ void inode_io_list_del(struct inode *inode) struct bdi_writeback *wb; wb = inode_to_wb_and_lock_list(inode); + spin_lock(&inode->i_lock); inode_io_list_del_locked(inode, wb); + spin_unlock(&inode->i_lock); spin_unlock(&wb->list_lock); } EXPORT_SYMBOL(inode_io_list_del); @@ -1172,8 +1175,10 @@ void sb_clear_inode_writeback(struct inode *inode) * the case then the inode must have been redirtied while it was being written * out and we don't reset its dirtied_when. */ -static void redirty_tail(struct inode *inode, struct bdi_writeback *wb) +static void redirty_tail_locked(struct inode *inode, struct bdi_writeback *wb) { + assert_spin_locked(&inode->i_lock); + if (!list_empty(&wb->b_dirty)) { struct inode *tail; @@ -1182,6 +1187,14 @@ static void redirty_tail(struct inode *inode, struct bdi_writeback *wb) inode->dirtied_when = jiffies; } inode_io_list_move_locked(inode, wb, &wb->b_dirty); + inode->i_state &= ~I_SYNC_QUEUED; +} + +static void redirty_tail(struct inode *inode, struct bdi_writeback *wb) +{ + spin_lock(&inode->i_lock); + redirty_tail_locked(inode, wb); + spin_unlock(&inode->i_lock); } /* @@ -1220,16 +1233,13 @@ static bool inode_dirtied_after(struct inode *inode, unsigned long t) #define EXPIRE_DIRTY_ATIME 0x0001 /* - * Move expired (dirtied before work->older_than_this) dirty inodes from + * Move expired (dirtied before dirtied_before) dirty inodes from * @delaying_queue to @dispatch_queue. */ static int move_expired_inodes(struct list_head *delaying_queue, struct list_head *dispatch_queue, - int flags, - struct wb_writeback_work *work) + unsigned long dirtied_before) { - unsigned long *older_than_this = NULL; - unsigned long expire_time; LIST_HEAD(tmp); struct list_head *pos, *node; struct super_block *sb = NULL; @@ -1237,21 +1247,15 @@ static int move_expired_inodes(struct list_head *delaying_queue, int do_sb_sort = 0; int moved = 0; - if ((flags & EXPIRE_DIRTY_ATIME) == 0) - older_than_this = work->older_than_this; - else if (!work->for_sync) { - expire_time = jiffies - (dirtytime_expire_interval * HZ); - older_than_this = &expire_time; - } while (!list_empty(delaying_queue)) { inode = wb_inode(delaying_queue->prev); - if (older_than_this && - inode_dirtied_after(inode, *older_than_this)) + if (inode_dirtied_after(inode, dirtied_before)) break; list_move(&inode->i_io_list, &tmp); moved++; - if (flags & EXPIRE_DIRTY_ATIME) - set_bit(__I_DIRTY_TIME_EXPIRED, &inode->i_state); + spin_lock(&inode->i_lock); + inode->i_state |= I_SYNC_QUEUED; + spin_unlock(&inode->i_lock); if (sb_is_blkdev_sb(inode->i_sb)) continue; if (sb && sb != inode->i_sb) @@ -1289,18 +1293,22 @@ out: * | * +--> dequeue for IO */ -static void queue_io(struct bdi_writeback *wb, struct wb_writeback_work *work) +static void queue_io(struct bdi_writeback *wb, struct wb_writeback_work *work, + unsigned long dirtied_before) { int moved; + unsigned long time_expire_jif = dirtied_before; assert_spin_locked(&wb->list_lock); list_splice_init(&wb->b_more_io, &wb->b_io); - moved = move_expired_inodes(&wb->b_dirty, &wb->b_io, 0, work); + moved = move_expired_inodes(&wb->b_dirty, &wb->b_io, dirtied_before); + if (!work->for_sync) + time_expire_jif = jiffies - dirtytime_expire_interval * HZ; moved += move_expired_inodes(&wb->b_dirty_time, &wb->b_io, - EXPIRE_DIRTY_ATIME, work); + time_expire_jif); if (moved) wb_io_lists_populated(wb); - trace_writeback_queue_io(wb, work, moved); + trace_writeback_queue_io(wb, work, dirtied_before, moved); } static int write_inode(struct inode *inode, struct writeback_control *wbc) @@ -1394,7 +1402,7 @@ static void requeue_inode(struct inode *inode, struct bdi_writeback *wb, * writeback is not making progress due to locked * buffers. Skip this inode for now. */ - redirty_tail(inode, wb); + redirty_tail_locked(inode, wb); return; } @@ -1414,7 +1422,7 @@ static void requeue_inode(struct inode *inode, struct bdi_writeback *wb, * retrying writeback of the dirty page/inode * that cannot be performed immediately. */ - redirty_tail(inode, wb); + redirty_tail_locked(inode, wb); } } else if (inode->i_state & I_DIRTY) { /* @@ -1422,10 +1430,11 @@ static void requeue_inode(struct inode *inode, struct bdi_writeback *wb, * such as delayed allocation during submission or metadata * updates after data IO completion. */ - redirty_tail(inode, wb); + redirty_tail_locked(inode, wb); } else if (inode->i_state & I_DIRTY_TIME) { inode->dirtied_when = jiffies; inode_io_list_move_locked(inode, wb, &wb->b_dirty_time); + inode->i_state &= ~I_SYNC_QUEUED; } else { /* The inode is clean. Remove from writeback lists. */ inode_io_list_del_locked(inode, wb); @@ -1472,18 +1481,14 @@ __writeback_single_inode(struct inode *inode, struct writeback_control *wbc) spin_lock(&inode->i_lock); dirty = inode->i_state & I_DIRTY; - if (inode->i_state & I_DIRTY_TIME) { - if ((dirty & I_DIRTY_INODE) || - wbc->sync_mode == WB_SYNC_ALL || - unlikely(inode->i_state & I_DIRTY_TIME_EXPIRED) || - unlikely(time_after(jiffies, - (inode->dirtied_time_when + - dirtytime_expire_interval * HZ)))) { - dirty |= I_DIRTY_TIME | I_DIRTY_TIME_EXPIRED; - trace_writeback_lazytime(inode); - } - } else - inode->i_state &= ~I_DIRTY_TIME_EXPIRED; + if ((inode->i_state & I_DIRTY_TIME) && + ((dirty & I_DIRTY_INODE) || + wbc->sync_mode == WB_SYNC_ALL || wbc->for_sync || + time_after(jiffies, inode->dirtied_time_when + + dirtytime_expire_interval * HZ))) { + dirty |= I_DIRTY_TIME; + trace_writeback_lazytime(inode); + } inode->i_state &= ~dirty; /* @@ -1669,8 +1674,8 @@ static long writeback_sb_inodes(struct super_block *sb, */ spin_lock(&inode->i_lock); if (inode->i_state & (I_NEW | I_FREEING | I_WILL_FREE)) { + redirty_tail_locked(inode, wb); spin_unlock(&inode->i_lock); - redirty_tail(inode, wb); continue; } if ((inode->i_state & I_SYNC) && wbc.sync_mode != WB_SYNC_ALL) { @@ -1811,7 +1816,7 @@ static long writeback_inodes_wb(struct bdi_writeback *wb, long nr_pages, blk_start_plug(&plug); spin_lock(&wb->list_lock); if (list_empty(&wb->b_io)) - queue_io(wb, &work); + queue_io(wb, &work, jiffies); __writeback_inodes_wb(wb, &work); spin_unlock(&wb->list_lock); blk_finish_plug(&plug); @@ -1831,7 +1836,7 @@ static long writeback_inodes_wb(struct bdi_writeback *wb, long nr_pages, * takes longer than a dirty_writeback_interval interval, then leave a * one-second gap. * - * older_than_this takes precedence over nr_to_write. So we'll only write back + * dirtied_before takes precedence over nr_to_write. So we'll only write back * all dirty pages if they are all attached to "old" mappings. */ static long wb_writeback(struct bdi_writeback *wb, @@ -1839,14 +1844,11 @@ static long wb_writeback(struct bdi_writeback *wb, { unsigned long wb_start = jiffies; long nr_pages = work->nr_pages; - unsigned long oldest_jif; + unsigned long dirtied_before = jiffies; struct inode *inode; long progress; struct blk_plug plug; - oldest_jif = jiffies; - work->older_than_this = &oldest_jif; - blk_start_plug(&plug); spin_lock(&wb->list_lock); for (;;) { @@ -1880,14 +1882,14 @@ static long wb_writeback(struct bdi_writeback *wb, * safe. */ if (work->for_kupdate) { - oldest_jif = jiffies - + dirtied_before = jiffies - msecs_to_jiffies(dirty_expire_interval * 10); } else if (work->for_background) - oldest_jif = jiffies; + dirtied_before = jiffies; trace_writeback_start(wb, work); if (list_empty(&wb->b_io)) - queue_io(wb, work); + queue_io(wb, work, dirtied_before); if (work->sb) progress = writeback_sb_inodes(work->sb, wb, work); else @@ -2182,7 +2184,7 @@ static int __init start_dirtytime_writeback(void) __initcall(start_dirtytime_writeback); int dirtytime_interval_handler(struct ctl_table *table, int write, - void __user *buffer, size_t *lenp, loff_t *ppos) + void *buffer, size_t *lenp, loff_t *ppos) { int ret; @@ -2289,11 +2291,12 @@ void __mark_inode_dirty(struct inode *inode, int flags) inode->i_state |= flags; /* - * If the inode is being synced, just update its dirty state. - * The unlocker will place the inode on the appropriate - * superblock list, based upon its state. + * If the inode is queued for writeback by flush worker, just + * update its dirty state. Once the flush worker is done with + * the inode it will place it on the appropriate superblock + * list, based upon its state. */ - if (inode->i_state & I_SYNC) + if (inode->i_state & I_SYNC_QUEUED) goto out_unlock_inode; /* diff --git a/fs/fs_context.c b/fs/fs_context.c index 7d5c5dd2b1d5af..2834d1afa6e805 100644 --- a/fs/fs_context.c +++ b/fs/fs_context.c @@ -521,7 +521,7 @@ static int legacy_parse_param(struct fs_context *fc, struct fs_parameter *param) switch (param->type) { case fs_value_is_string: len = 1 + param->size; - /* Fall through */ + fallthrough; case fs_value_is_flag: len += strlen(param->key); break; diff --git a/fs/fsopen.c b/fs/fsopen.c index 2fa3f241b76211..27a890aa493abf 100644 --- a/fs/fsopen.c +++ b/fs/fsopen.c @@ -412,7 +412,7 @@ SYSCALL_DEFINE5(fsconfig, break; case FSCONFIG_SET_PATH_EMPTY: lookup_flags = LOOKUP_EMPTY; - /* fallthru */ + fallthrough; case FSCONFIG_SET_PATH: param.type = fs_value_is_filename; param.name = getname_flags(_value, lookup_flags, NULL); diff --git a/fs/fuse/file.c b/fs/fuse/file.c index 6611ef3269a80a..43c165e796da2d 100644 --- a/fs/fuse/file.c +++ b/fs/fuse/file.c @@ -3091,11 +3091,10 @@ fuse_direct_IO(struct kiocb *iocb, struct iov_iter *iter) ssize_t ret = 0; struct file *file = iocb->ki_filp; struct fuse_file *ff = file->private_data; - bool async_dio = ff->fc->async_dio; loff_t pos = 0; struct inode *inode; loff_t i_size; - size_t count = iov_iter_count(iter); + size_t count = iov_iter_count(iter), shortened = 0; loff_t offset = iocb->ki_pos; struct fuse_io_priv *io; @@ -3103,17 +3102,9 @@ fuse_direct_IO(struct kiocb *iocb, struct iov_iter *iter) inode = file->f_mapping->host; i_size = i_size_read(inode); - if ((iov_iter_rw(iter) == READ) && (offset > i_size)) + if ((iov_iter_rw(iter) == READ) && (offset >= i_size)) return 0; - /* optimization for short read */ - if (async_dio && iov_iter_rw(iter) != WRITE && offset + count > i_size) { - if (offset >= i_size) - return 0; - iov_iter_truncate(iter, fuse_round_up(ff->fc, i_size - offset)); - count = iov_iter_count(iter); - } - io = kmalloc(sizeof(struct fuse_io_priv), GFP_KERNEL); if (!io) return -ENOMEM; @@ -3129,15 +3120,22 @@ fuse_direct_IO(struct kiocb *iocb, struct iov_iter *iter) * By default, we want to optimize all I/Os with async request * submission to the client filesystem if supported. */ - io->async = async_dio; + io->async = ff->fc->async_dio; io->iocb = iocb; io->blocking = is_sync_kiocb(iocb); + /* optimization for short read */ + if (io->async && !io->write && offset + count > i_size) { + iov_iter_truncate(iter, fuse_round_up(ff->fc, i_size - offset)); + shortened = count - iov_iter_count(iter); + count -= shortened; + } + /* * We cannot asynchronously extend the size of a file. * In such case the aio will behave exactly like sync io. */ - if ((offset + count > i_size) && iov_iter_rw(iter) == WRITE) + if ((offset + count > i_size) && io->write) io->blocking = true; if (io->async && io->blocking) { @@ -3155,6 +3153,7 @@ fuse_direct_IO(struct kiocb *iocb, struct iov_iter *iter) } else { ret = __fuse_direct_read(io, iter, &pos); } + iov_iter_reexpand(iter, iov_iter_count(iter) + shortened); if (io->async) { bool blocking = io->blocking; diff --git a/fs/gfs2/bmap.c b/fs/gfs2/bmap.c index 770f3a720db9a4..0f69fbd4af664e 100644 --- a/fs/gfs2/bmap.c +++ b/fs/gfs2/bmap.c @@ -746,7 +746,7 @@ static int gfs2_iomap_alloc(struct inode *inode, struct iomap *iomap, } if (n == 0) break; - /* fall through - To branching from existing tree */ + fallthrough; /* To branching from existing tree */ case ALLOC_GROW_DEPTH: if (i > 1 && i < mp->mp_fheight) gfs2_trans_add_meta(ip->i_gl, mp->mp_bh[i-1]); @@ -757,7 +757,7 @@ static int gfs2_iomap_alloc(struct inode *inode, struct iomap *iomap, state = ALLOC_DATA; if (n == 0) break; - /* fall through - To tree complete, adding data blocks */ + fallthrough; /* To tree complete, adding data blocks */ case ALLOC_DATA: BUG_ON(n > dblks); BUG_ON(mp->mp_bh[end_of_metadata] == NULL); diff --git a/fs/gfs2/log.c b/fs/gfs2/log.c index a58333e3980df8..3763c9ff1406bd 100644 --- a/fs/gfs2/log.c +++ b/fs/gfs2/log.c @@ -902,6 +902,36 @@ static void empty_ail1_list(struct gfs2_sbd *sdp) } /** + * drain_bd - drain the buf and databuf queue for a failed transaction + * @tr: the transaction to drain + * + * When this is called, we're taking an error exit for a log write that failed + * but since we bypassed the after_commit functions, we need to remove the + * items from the buf and databuf queue. + */ +static void trans_drain(struct gfs2_trans *tr) +{ + struct gfs2_bufdata *bd; + struct list_head *head; + + if (!tr) + return; + + head = &tr->tr_buf; + while (!list_empty(head)) { + bd = list_first_entry(head, struct gfs2_bufdata, bd_list); + list_del_init(&bd->bd_list); + kmem_cache_free(gfs2_bufdata_cachep, bd); + } + head = &tr->tr_databuf; + while (!list_empty(head)) { + bd = list_first_entry(head, struct gfs2_bufdata, bd_list); + list_del_init(&bd->bd_list); + kmem_cache_free(gfs2_bufdata_cachep, bd); + } +} + +/** * gfs2_log_flush - flush incore transaction(s) * @sdp: the filesystem * @gl: The glock structure to flush. If NULL, flush the whole incore log @@ -1005,6 +1035,7 @@ void gfs2_log_flush(struct gfs2_sbd *sdp, struct gfs2_glock *gl, u32 flags) out: if (gfs2_withdrawn(sdp)) { + trans_drain(tr); /** * If the tr_list is empty, we're withdrawing during a log * flush that targets a transaction, but the transaction was diff --git a/fs/gfs2/quota.c b/fs/gfs2/quota.c index 4b67d47a7e0046..6e173ae378c44f 100644 --- a/fs/gfs2/quota.c +++ b/fs/gfs2/quota.c @@ -1599,7 +1599,7 @@ static int gfs2_quota_get_state(struct super_block *sb, struct qc_state *state) case GFS2_QUOTA_ON: state->s_state[USRQUOTA].flags |= QCI_LIMITS_ENFORCED; state->s_state[GRPQUOTA].flags |= QCI_LIMITS_ENFORCED; - /*FALLTHRU*/ + fallthrough; case GFS2_QUOTA_ACCOUNT: state->s_state[USRQUOTA].flags |= QCI_ACCT_ENABLED | QCI_SYSFILE; diff --git a/fs/gfs2/trans.c b/fs/gfs2/trans.c index e1c7eb6eb00a40..6d4bf7ea7b3be6 100644 --- a/fs/gfs2/trans.c +++ b/fs/gfs2/trans.c @@ -67,6 +67,7 @@ int gfs2_trans_begin(struct gfs2_sbd *sdp, unsigned int blocks, tr->tr_reserved += gfs2_struct2blk(sdp, revokes); INIT_LIST_HEAD(&tr->tr_databuf); INIT_LIST_HEAD(&tr->tr_buf); + INIT_LIST_HEAD(&tr->tr_list); INIT_LIST_HEAD(&tr->tr_ail1_list); INIT_LIST_HEAD(&tr->tr_ail2_list); diff --git a/fs/hfsplus/wrapper.c b/fs/hfsplus/wrapper.c index 61eec628805de2..0350dc7821bf95 100644 --- a/fs/hfsplus/wrapper.c +++ b/fs/hfsplus/wrapper.c @@ -195,7 +195,7 @@ reread: switch (sbi->s_vhdr->signature) { case cpu_to_be16(HFSPLUS_VOLHEAD_SIGX): set_bit(HFSPLUS_SB_HFSX, &sbi->flags); - /*FALLTHRU*/ + fallthrough; case cpu_to_be16(HFSPLUS_VOLHEAD_SIG): break; case cpu_to_be16(HFSP_WRAP_MAGIC): diff --git a/fs/io-wq.c b/fs/io-wq.c index e92c4724480cad..414beb5438836c 100644 --- a/fs/io-wq.c +++ b/fs/io-wq.c @@ -925,6 +925,24 @@ static bool io_wq_worker_cancel(struct io_worker *worker, void *data) return match->nr_running && !match->cancel_all; } +static inline void io_wqe_remove_pending(struct io_wqe *wqe, + struct io_wq_work *work, + struct io_wq_work_node *prev) +{ + unsigned int hash = io_get_work_hash(work); + struct io_wq_work *prev_work = NULL; + + if (io_wq_is_hashed(work) && work == wqe->hash_tail[hash]) { + if (prev) + prev_work = container_of(prev, struct io_wq_work, list); + if (prev_work && io_get_work_hash(prev_work) == hash) + wqe->hash_tail[hash] = prev_work; + else + wqe->hash_tail[hash] = NULL; + } + wq_list_del(&wqe->work_list, &work->list, prev); +} + static void io_wqe_cancel_pending_work(struct io_wqe *wqe, struct io_cb_cancel_data *match) { @@ -938,8 +956,7 @@ retry: work = container_of(node, struct io_wq_work, list); if (!match->fn(work, match->data)) continue; - - wq_list_del(&wqe->work_list, node, prev); + io_wqe_remove_pending(wqe, work, prev); spin_unlock_irqrestore(&wqe->lock, flags); io_run_cancel(work, wqe); match->nr_pending++; diff --git a/fs/io_uring.c b/fs/io_uring.c index 91e2cc8414f9a2..aae0ef2ec34d2b 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -1150,7 +1150,7 @@ static void io_prep_async_work(struct io_kiocb *req) io_req_init_async(req); if (req->flags & REQ_F_ISREG) { - if (def->hash_reg_file) + if (def->hash_reg_file || (req->ctx->flags & IORING_SETUP_IOPOLL)) io_wq_hash_work(&req->work, file_inode(req->file)); } else { if (def->unbound_nonreg_file) @@ -1746,12 +1746,16 @@ static struct io_kiocb *io_req_find_next(struct io_kiocb *req) return __io_req_find_next(req); } -static int io_req_task_work_add(struct io_kiocb *req, struct callback_head *cb) +static int io_req_task_work_add(struct io_kiocb *req, struct callback_head *cb, + bool twa_signal_ok) { struct task_struct *tsk = req->task; struct io_ring_ctx *ctx = req->ctx; int ret, notify; + if (tsk->flags & PF_EXITING) + return -ESRCH; + /* * SQPOLL kernel thread doesn't need notification, just a wakeup. For * all other cases, use TWA_SIGNAL unconditionally to ensure we're @@ -1759,7 +1763,7 @@ static int io_req_task_work_add(struct io_kiocb *req, struct callback_head *cb) * will do the job. */ notify = 0; - if (!(ctx->flags & IORING_SETUP_SQPOLL)) + if (!(ctx->flags & IORING_SETUP_SQPOLL) && twa_signal_ok) notify = TWA_SIGNAL; ret = task_work_add(tsk, cb, notify); @@ -1786,8 +1790,10 @@ static void __io_req_task_cancel(struct io_kiocb *req, int error) static void io_req_task_cancel(struct callback_head *cb) { struct io_kiocb *req = container_of(cb, struct io_kiocb, task_work); + struct io_ring_ctx *ctx = req->ctx; __io_req_task_cancel(req, -ECANCELED); + percpu_ref_put(&ctx->refs); } static void __io_req_task_submit(struct io_kiocb *req) @@ -1819,7 +1825,7 @@ static void io_req_task_queue(struct io_kiocb *req) init_task_work(&req->task_work, io_req_task_submit); percpu_ref_get(&req->ctx->refs); - ret = io_req_task_work_add(req, &req->task_work); + ret = io_req_task_work_add(req, &req->task_work, true); if (unlikely(ret)) { struct task_struct *tsk; @@ -2009,6 +2015,12 @@ static inline unsigned int io_put_rw_kbuf(struct io_kiocb *req) static inline bool io_run_task_work(void) { + /* + * Not safe to run on exiting task, and the task_work handling will + * not add work to such a task. + */ + if (unlikely(current->flags & PF_EXITING)) + return false; if (current->task_works) { __set_current_state(TASK_RUNNING); task_work_run(); @@ -2048,6 +2060,7 @@ static void io_iopoll_complete(struct io_ring_ctx *ctx, unsigned int *nr_events, req = list_first_entry(done, struct io_kiocb, inflight_entry); if (READ_ONCE(req->result) == -EAGAIN) { + req->result = 0; req->iopoll_completed = 0; list_move_tail(&req->inflight_entry, &again); continue; @@ -2281,50 +2294,43 @@ static bool io_resubmit_prep(struct io_kiocb *req, int error) goto end_req; } - ret = io_import_iovec(rw, req, &iovec, &iter, false); - if (ret < 0) - goto end_req; - ret = io_setup_async_rw(req, iovec, inline_vecs, &iter, false); - if (!ret) + if (!req->io) { + ret = io_import_iovec(rw, req, &iovec, &iter, false); + if (ret < 0) + goto end_req; + ret = io_setup_async_rw(req, iovec, inline_vecs, &iter, false); + if (!ret) + return true; + kfree(iovec); + } else { return true; - kfree(iovec); + } end_req: req_set_fail_links(req); io_req_complete(req, ret); return false; } - -static void io_rw_resubmit(struct callback_head *cb) -{ - struct io_kiocb *req = container_of(cb, struct io_kiocb, task_work); - struct io_ring_ctx *ctx = req->ctx; - int err; - - err = io_sq_thread_acquire_mm(ctx, req); - - if (io_resubmit_prep(req, err)) { - refcount_inc(&req->refs); - io_queue_async_work(req); - } - - percpu_ref_put(&ctx->refs); -} #endif static bool io_rw_reissue(struct io_kiocb *req, long res) { #ifdef CONFIG_BLOCK + umode_t mode = file_inode(req->file)->i_mode; int ret; + if (!S_ISBLK(mode) && !S_ISREG(mode)) + return false; if ((res != -EAGAIN && res != -EOPNOTSUPP) || io_wq_current_is_worker()) return false; - init_task_work(&req->task_work, io_rw_resubmit); - percpu_ref_get(&req->ctx->refs); + ret = io_sq_thread_acquire_mm(req->ctx, req); - ret = io_req_task_work_add(req, &req->task_work); - if (!ret) + if (io_resubmit_prep(req, ret)) { + refcount_inc(&req->refs); + io_queue_async_work(req); return true; + } + #endif return false; } @@ -2563,7 +2569,7 @@ static inline void io_rw_done(struct kiocb *kiocb, ssize_t ret) * IO with EINTR. */ ret = -EINTR; - /* fall through */ + fallthrough; default: kiocb->ki_complete(kiocb, ret, 0); } @@ -2865,6 +2871,11 @@ static ssize_t io_import_iovec(int rw, struct io_kiocb *req, return iov_iter_count(&req->io->rw.iter); } +static inline loff_t *io_kiocb_ppos(struct kiocb *kiocb) +{ + return kiocb->ki_filp->f_mode & FMODE_STREAM ? NULL : &kiocb->ki_pos; +} + /* * For files that don't have ->read_iter() and ->write_iter(), handle them * by looping over ->read() or ->write() manually. @@ -2900,10 +2911,10 @@ static ssize_t loop_rw_iter(int rw, struct file *file, struct kiocb *kiocb, if (rw == READ) { nr = file->f_op->read(file, iovec.iov_base, - iovec.iov_len, &kiocb->ki_pos); + iovec.iov_len, io_kiocb_ppos(kiocb)); } else { nr = file->f_op->write(file, iovec.iov_base, - iovec.iov_len, &kiocb->ki_pos); + iovec.iov_len, io_kiocb_ppos(kiocb)); } if (iov_iter_is_bvec(iter)) @@ -2984,14 +2995,15 @@ static inline int io_rw_prep_async(struct io_kiocb *req, int rw, bool force_nonblock) { struct io_async_rw *iorw = &req->io->rw; + struct iovec *iov; ssize_t ret; - iorw->iter.iov = iorw->fast_iov; - ret = __io_import_iovec(rw, req, (struct iovec **) &iorw->iter.iov, - &iorw->iter, !force_nonblock); + iorw->iter.iov = iov = iorw->fast_iov; + ret = __io_import_iovec(rw, req, &iov, &iorw->iter, !force_nonblock); if (unlikely(ret < 0)) return ret; + iorw->iter.iov = iov; io_req_map_rw(req, iorw->iter.iov, iorw->fast_iov, &iorw->iter); return 0; } @@ -3037,6 +3049,7 @@ static int io_async_buf_func(struct wait_queue_entry *wait, unsigned mode, if (!wake_page_match(wpq, key)) return 0; + req->rw.kiocb.ki_flags &= ~IOCB_WAITQ; list_del_init(&wait->entry); init_task_work(&req->task_work, io_req_task_submit); @@ -3044,7 +3057,7 @@ static int io_async_buf_func(struct wait_queue_entry *wait, unsigned mode, /* submit ref gets dropped, acquire a new one */ refcount_inc(&req->refs); - ret = io_req_task_work_add(req, &req->task_work); + ret = io_req_task_work_add(req, &req->task_work, true); if (unlikely(ret)) { struct task_struct *tsk; @@ -3094,6 +3107,7 @@ static bool io_rw_should_retry(struct io_kiocb *req) wait->wait.flags = 0; INIT_LIST_HEAD(&wait->wait.entry); kiocb->ki_flags |= IOCB_WAITQ; + kiocb->ki_flags &= ~IOCB_NOWAIT; kiocb->ki_waitq = wait; io_get_req_task(req); @@ -3118,6 +3132,7 @@ static int io_read(struct io_kiocb *req, bool force_nonblock, struct iov_iter __iter, *iter = &__iter; ssize_t io_size, ret, ret2; size_t iov_count; + bool no_async; if (req->io) iter = &req->io->rw.iter; @@ -3125,6 +3140,7 @@ static int io_read(struct io_kiocb *req, bool force_nonblock, ret = io_import_iovec(READ, req, &iovec, iter, !force_nonblock); if (ret < 0) return ret; + iov_count = iov_iter_count(iter); io_size = ret; req->result = io_size; ret = 0; @@ -3134,11 +3150,11 @@ static int io_read(struct io_kiocb *req, bool force_nonblock, kiocb->ki_flags &= ~IOCB_NOWAIT; /* If the file doesn't support async, just async punt */ - if (force_nonblock && !io_file_supports_async(req->file, READ)) + no_async = force_nonblock && !io_file_supports_async(req->file, READ); + if (no_async) goto copy_iov; - iov_count = iov_iter_count(iter); - ret = rw_verify_area(READ, req->file, &kiocb->ki_pos, iov_count); + ret = rw_verify_area(READ, req->file, io_kiocb_ppos(kiocb), iov_count); if (unlikely(ret)) goto out_free; @@ -3150,14 +3166,19 @@ static int io_read(struct io_kiocb *req, bool force_nonblock, ret = 0; goto out_free; } else if (ret == -EAGAIN) { - if (!force_nonblock) + /* IOPOLL retry should happen for io-wq threads */ + if (!force_nonblock && !(req->ctx->flags & IORING_SETUP_IOPOLL)) goto done; - ret = io_setup_async_rw(req, iovec, inline_vecs, iter, false); - if (ret) - goto out_free; - return -EAGAIN; + /* no retry on NONBLOCK marked file */ + if (req->file->f_flags & O_NONBLOCK) + goto done; + /* some cases will consume bytes even on error returns */ + iov_iter_revert(iter, iov_count - iov_iter_count(iter)); + ret = 0; + goto copy_iov; } else if (ret < 0) { - goto out_free; + /* make sure -ERESTARTSYS -> -EINTR is done */ + goto done; } /* read it all, or we did blocking attempt. no retry. */ @@ -3172,6 +3193,8 @@ copy_iov: ret = ret2; goto out_free; } + if (no_async) + return -EAGAIN; /* it's copied and will be cleaned with ->io */ iovec = NULL; /* now use our persistent iterator, if we aren't already */ @@ -3241,6 +3264,7 @@ static int io_write(struct io_kiocb *req, bool force_nonblock, ret = io_import_iovec(WRITE, req, &iovec, iter, !force_nonblock); if (ret < 0) return ret; + iov_count = iov_iter_count(iter); io_size = ret; req->result = io_size; @@ -3257,8 +3281,7 @@ static int io_write(struct io_kiocb *req, bool force_nonblock, (req->flags & REQ_F_ISREG)) goto copy_iov; - iov_count = iov_iter_count(iter); - ret = rw_verify_area(WRITE, req->file, &kiocb->ki_pos, iov_count); + ret = rw_verify_area(WRITE, req->file, io_kiocb_ppos(kiocb), iov_count); if (unlikely(ret)) goto out_free; @@ -3290,10 +3313,19 @@ static int io_write(struct io_kiocb *req, bool force_nonblock, */ if (ret2 == -EOPNOTSUPP && (kiocb->ki_flags & IOCB_NOWAIT)) ret2 = -EAGAIN; + /* no retry on NONBLOCK marked file */ + if (ret2 == -EAGAIN && (req->file->f_flags & O_NONBLOCK)) + goto done; if (!force_nonblock || ret2 != -EAGAIN) { + /* IOPOLL retry should happen for io-wq threads */ + if ((req->ctx->flags & IORING_SETUP_IOPOLL) && ret2 == -EAGAIN) + goto copy_iov; +done: kiocb_done(kiocb, ret2, cs); } else { copy_iov: + /* some cases will consume bytes even on error returns */ + iov_iter_revert(iter, iov_count - iov_iter_count(iter)); ret = io_setup_async_rw(req, iovec, inline_vecs, iter, false); if (!ret) return -EAGAIN; @@ -3495,8 +3527,6 @@ static int __io_openat_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe const char __user *fname; int ret; - if (unlikely(req->ctx->flags & (IORING_SETUP_IOPOLL|IORING_SETUP_SQPOLL))) - return -EINVAL; if (unlikely(sqe->ioprio || sqe->buf_index)) return -EINVAL; if (unlikely(req->flags & REQ_F_FIXED_FILE)) @@ -3523,6 +3553,8 @@ static int io_openat_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe) { u64 flags, mode; + if (unlikely(req->ctx->flags & (IORING_SETUP_IOPOLL|IORING_SETUP_SQPOLL))) + return -EINVAL; if (req->flags & REQ_F_NEED_CLEANUP) return 0; mode = READ_ONCE(sqe->len); @@ -3537,6 +3569,8 @@ static int io_openat2_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe) size_t len; int ret; + if (unlikely(req->ctx->flags & (IORING_SETUP_IOPOLL|IORING_SETUP_SQPOLL))) + return -EINVAL; if (req->flags & REQ_F_NEED_CLEANUP) return 0; how = u64_to_user_ptr(READ_ONCE(sqe->addr2)); @@ -3754,7 +3788,7 @@ static int io_epoll_ctl_prep(struct io_kiocb *req, #if defined(CONFIG_EPOLL) if (sqe->ioprio || sqe->buf_index) return -EINVAL; - if (unlikely(req->ctx->flags & IORING_SETUP_IOPOLL)) + if (unlikely(req->ctx->flags & (IORING_SETUP_IOPOLL | IORING_SETUP_SQPOLL))) return -EINVAL; req->epoll.epfd = READ_ONCE(sqe->fd); @@ -3869,7 +3903,7 @@ static int io_fadvise(struct io_kiocb *req, bool force_nonblock) static int io_statx_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe) { - if (unlikely(req->ctx->flags & IORING_SETUP_IOPOLL)) + if (unlikely(req->ctx->flags & (IORING_SETUP_IOPOLL | IORING_SETUP_SQPOLL))) return -EINVAL; if (sqe->ioprio || sqe->buf_index) return -EINVAL; @@ -4566,6 +4600,7 @@ struct io_poll_table { static int __io_async_wake(struct io_kiocb *req, struct io_poll_iocb *poll, __poll_t mask, task_work_func_t func) { + bool twa_signal_ok; int ret; /* for instances that support it check for an event match first: */ @@ -4581,12 +4616,20 @@ static int __io_async_wake(struct io_kiocb *req, struct io_poll_iocb *poll, percpu_ref_get(&req->ctx->refs); /* + * If we using the signalfd wait_queue_head for this wakeup, then + * it's not safe to use TWA_SIGNAL as we could be recursing on the + * tsk->sighand->siglock on doing the wakeup. Should not be needed + * either, as the normal wakeup will suffice. + */ + twa_signal_ok = (poll->head != &req->task->sighand->signalfd_wqh); + + /* * If this fails, then the task is exiting. When a task exits, the * work gets canceled, so just cancel this request as well instead * of executing it. We can't safely execute it anyway, as we may not * have the needed state needed for it anyway. */ - ret = io_req_task_work_add(req, &req->task_work); + ret = io_req_task_work_add(req, &req->task_work, twa_signal_ok); if (unlikely(ret)) { struct task_struct *tsk; @@ -4702,6 +4745,8 @@ static int io_poll_double_wake(struct wait_queue_entry *wait, unsigned mode, if (mask && !(mask & poll->events)) return 0; + list_del_init(&wait->entry); + if (poll && poll->head) { bool done; @@ -4875,12 +4920,20 @@ static bool io_arm_poll_handler(struct io_kiocb *req) struct async_poll *apoll; struct io_poll_table ipt; __poll_t mask, ret; + int rw; if (!req->file || !file_can_poll(req->file)) return false; if (req->flags & REQ_F_POLLED) return false; - if (!def->pollin && !def->pollout) + if (def->pollin) + rw = READ; + else if (def->pollout) + rw = WRITE; + else + return false; + /* if we can't nonblock try, then no point in arming a poll handler */ + if (!io_file_supports_async(req->file, rw)) return false; apoll = kmalloc(sizeof(*apoll), GFP_ATOMIC); @@ -5369,6 +5422,8 @@ static int io_async_cancel(struct io_kiocb *req) static int io_files_update_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe) { + if (unlikely(req->ctx->flags & IORING_SETUP_SQPOLL)) + return -EINVAL; if (unlikely(req->flags & (REQ_F_FIXED_FILE | REQ_F_BUFFER_SELECT))) return -EINVAL; if (sqe->ioprio || sqe->rw_flags) @@ -5419,6 +5474,8 @@ static int io_req_defer_prep(struct io_kiocb *req, if (unlikely(ret)) return ret; + io_prep_async_work(req); + switch (req->opcode) { case IORING_OP_NOP: break; @@ -5616,6 +5673,11 @@ static void __io_clean_op(struct io_kiocb *req) io_put_file(req, req->splice.file_in, (req->splice.flags & SPLICE_F_FD_IN_FIXED)); break; + case IORING_OP_OPENAT: + case IORING_OP_OPENAT2: + if (req->open.filename) + putname(req->open.filename); + break; } req->flags &= ~REQ_F_NEED_CLEANUP; } @@ -6293,9 +6355,6 @@ static void io_submit_state_start(struct io_submit_state *state, struct io_ring_ctx *ctx, unsigned int max_ios) { blk_start_plug(&state->plug); -#ifdef CONFIG_BLOCK - state->plug.nowait = true; -#endif state->comp.nr = 0; INIT_LIST_HEAD(&state->comp.list); state->comp.ctx = ctx; @@ -7305,7 +7364,7 @@ static int __io_sqe_files_update(struct io_ring_ctx *ctx, table = &ctx->file_data->table[i >> IORING_FILE_TABLE_SHIFT]; index = i & IORING_FILE_TABLE_MASK; if (table->files[index]) { - file = io_file_from_index(ctx, index); + file = table->files[index]; err = io_queue_file_removal(data, file); if (err) break; @@ -7334,6 +7393,7 @@ static int __io_sqe_files_update(struct io_ring_ctx *ctx, table->files[index] = file; err = io_sqe_file_register(ctx, file, i); if (err) { + table->files[index] = NULL; fput(file); break; } @@ -7433,9 +7493,6 @@ static int io_sq_offload_start(struct io_ring_ctx *ctx, { int ret; - mmgrab(current->mm); - ctx->sqo_mm = current->mm; - if (ctx->flags & IORING_SETUP_SQPOLL) { ret = -EPERM; if (!capable(CAP_SYS_ADMIN)) @@ -7480,10 +7537,6 @@ static int io_sq_offload_start(struct io_ring_ctx *ctx, return 0; err: io_finish_async(ctx); - if (ctx->sqo_mm) { - mmdrop(ctx->sqo_mm); - ctx->sqo_mm = NULL; - } return ret; } @@ -8000,6 +8053,28 @@ static bool io_match_link(struct io_kiocb *preq, struct io_kiocb *req) return false; } +static inline bool io_match_files(struct io_kiocb *req, + struct files_struct *files) +{ + return (req->flags & REQ_F_WORK_INITIALIZED) && req->work.files == files; +} + +static bool io_match_link_files(struct io_kiocb *req, + struct files_struct *files) +{ + struct io_kiocb *link; + + if (io_match_files(req, files)) + return true; + if (req->flags & REQ_F_LINK_HEAD) { + list_for_each_entry(link, &req->link_list, link_list) { + if (io_match_files(link, files)) + return true; + } + } + return false; +} + /* * We're looking to cancel 'req' because it's holding on to our files, but * 'req' could be a link to another request. See if it is, and cancel that @@ -8074,12 +8149,38 @@ static void io_attempt_cancel(struct io_ring_ctx *ctx, struct io_kiocb *req) io_timeout_remove_link(ctx, req); } +static void io_cancel_defer_files(struct io_ring_ctx *ctx, + struct files_struct *files) +{ + struct io_defer_entry *de = NULL; + LIST_HEAD(list); + + spin_lock_irq(&ctx->completion_lock); + list_for_each_entry_reverse(de, &ctx->defer_list, list) { + if (io_match_link_files(de->req, files)) { + list_cut_position(&list, &ctx->defer_list, &de->list); + break; + } + } + spin_unlock_irq(&ctx->completion_lock); + + while (!list_empty(&list)) { + de = list_first_entry(&list, struct io_defer_entry, list); + list_del_init(&de->list); + req_set_fail_links(de->req); + io_put_req(de->req); + io_req_complete(de->req, -ECANCELED); + kfree(de); + } +} + static void io_uring_cancel_files(struct io_ring_ctx *ctx, struct files_struct *files) { if (list_empty_careful(&ctx->inflight_list)) return; + io_cancel_defer_files(ctx, files); /* cancel all at once, should be faster than doing it one by one*/ io_wq_cancel_cb(ctx->io_wq, io_wq_files_match, files, true); @@ -8108,6 +8209,8 @@ static void io_uring_cancel_files(struct io_ring_ctx *ctx, /* cancel this request, or head link requests */ io_attempt_cancel(ctx, cancel_req); io_put_req(cancel_req); + /* cancellations _may_ trigger task work */ + io_run_task_work(); schedule(); finish_wait(&ctx->inflight_wait, &wait); } @@ -8313,11 +8416,19 @@ static int io_uring_show_cred(int id, void *p, void *data) static void __io_uring_show_fdinfo(struct io_ring_ctx *ctx, struct seq_file *m) { + bool has_lock; int i; - mutex_lock(&ctx->uring_lock); + /* + * Avoid ABBA deadlock between the seq lock and the io_uring mutex, + * since fdinfo case grabs it in the opposite direction of normal use + * cases. If we fail to get the lock, we just don't iterate any + * structures that could be going away outside the io_uring mutex. + */ + has_lock = mutex_trylock(&ctx->uring_lock); + seq_printf(m, "UserFiles:\t%u\n", ctx->nr_user_files); - for (i = 0; i < ctx->nr_user_files; i++) { + for (i = 0; has_lock && i < ctx->nr_user_files; i++) { struct fixed_file_table *table; struct file *f; @@ -8329,13 +8440,13 @@ static void __io_uring_show_fdinfo(struct io_ring_ctx *ctx, struct seq_file *m) seq_printf(m, "%5u: <none>\n", i); } seq_printf(m, "UserBufs:\t%u\n", ctx->nr_user_bufs); - for (i = 0; i < ctx->nr_user_bufs; i++) { + for (i = 0; has_lock && i < ctx->nr_user_bufs; i++) { struct io_mapped_ubuf *buf = &ctx->user_bufs[i]; seq_printf(m, "%5u: 0x%llx/%u\n", i, buf->ubuf, (unsigned int) buf->len); } - if (!idr_is_empty(&ctx->personality_idr)) { + if (has_lock && !idr_is_empty(&ctx->personality_idr)) { seq_printf(m, "Personalities:\n"); idr_for_each(&ctx->personality_idr, io_uring_show_cred, m); } @@ -8350,7 +8461,8 @@ static void __io_uring_show_fdinfo(struct io_ring_ctx *ctx, struct seq_file *m) req->task->task_works != NULL); } spin_unlock_irq(&ctx->completion_lock); - mutex_unlock(&ctx->uring_lock); + if (has_lock) + mutex_unlock(&ctx->uring_lock); } static void io_uring_show_fdinfo(struct seq_file *m, struct file *f) @@ -8533,6 +8645,9 @@ static int io_uring_create(unsigned entries, struct io_uring_params *p, ctx->user = user; ctx->creds = get_current_cred(); + mmgrab(current->mm); + ctx->sqo_mm = current->mm; + /* * Account memory _before_ installing the file descriptor. Once * the descriptor is installed, it can get closed at any time. Also diff --git a/fs/iomap/seek.c b/fs/iomap/seek.c index 89f61d93c0bcfd..107ee80c356833 100644 --- a/fs/iomap/seek.c +++ b/fs/iomap/seek.c @@ -127,7 +127,7 @@ iomap_seek_hole_actor(struct inode *inode, loff_t offset, loff_t length, SEEK_HOLE); if (offset < 0) return length; - /* fall through */ + fallthrough; case IOMAP_HOLE: *(loff_t *)data = offset; return 0; @@ -175,7 +175,7 @@ iomap_seek_data_actor(struct inode *inode, loff_t offset, loff_t length, SEEK_DATA); if (offset < 0) return length; - /*FALLTHRU*/ + fallthrough; default: *(loff_t *)data = offset; return 0; diff --git a/fs/jffs2/fs.c b/fs/jffs2/fs.c index ab8cdd9e932590..78858f6e95839c 100644 --- a/fs/jffs2/fs.c +++ b/fs/jffs2/fs.c @@ -341,7 +341,7 @@ struct inode *jffs2_iget(struct super_block *sb, unsigned long ino) rdev = old_decode_dev(je16_to_cpu(jdev.old_id)); else rdev = new_decode_dev(je32_to_cpu(jdev.new_id)); - /* fall through */ + fallthrough; case S_IFSOCK: case S_IFIFO: diff --git a/fs/jffs2/readinode.c b/fs/jffs2/readinode.c index bccfc40b3a74ab..2f6f0b140c05aa 100644 --- a/fs/jffs2/readinode.c +++ b/fs/jffs2/readinode.c @@ -1273,7 +1273,7 @@ static int jffs2_do_read_inode_internal(struct jffs2_sb_info *c, dbg_readinode("symlink's target '%s' cached\n", f->target); } - /* fall through... */ + fallthrough; case S_IFBLK: case S_IFCHR: diff --git a/fs/libfs.c b/fs/libfs.c index 4d08edf19c7825..e0d42e977d9afd 100644 --- a/fs/libfs.c +++ b/fs/libfs.c @@ -137,11 +137,11 @@ loff_t dcache_dir_lseek(struct file *file, loff_t offset, int whence) switch (whence) { case 1: offset += file->f_pos; - /* fall through */ + fallthrough; case 0: if (offset >= 0) break; - /* fall through */ + fallthrough; default: return -EINVAL; } diff --git a/fs/locks.c b/fs/locks.c index 8fc0542f513264..1f84a03601feca 100644 --- a/fs/locks.c +++ b/fs/locks.c @@ -1499,7 +1499,7 @@ static void lease_clear_pending(struct file_lock *fl, int arg) switch (arg) { case F_UNLCK: fl->fl_flags &= ~FL_UNLOCK_PENDING; - /* fall through */ + fallthrough; case F_RDLCK: fl->fl_flags &= ~FL_DOWNGRADE_PENDING; } @@ -2525,7 +2525,7 @@ int fcntl_setlk(unsigned int fd, struct file *filp, unsigned int cmd, cmd = F_SETLKW; file_lock->fl_flags |= FL_OFDLCK; file_lock->fl_owner = filp; - /* Fallthrough */ + fallthrough; case F_SETLKW: file_lock->fl_flags |= FL_SLEEP; } @@ -2656,7 +2656,7 @@ int fcntl_setlk64(unsigned int fd, struct file *filp, unsigned int cmd, cmd = F_SETLKW64; file_lock->fl_flags |= FL_OFDLCK; file_lock->fl_owner = filp; - /* Fallthrough */ + fallthrough; case F_SETLKW64: file_lock->fl_flags |= FL_SLEEP; } diff --git a/fs/nfs/blocklayout/blocklayout.c b/fs/nfs/blocklayout/blocklayout.c index d1a0e2c8b1b486..08108b6d2fa107 100644 --- a/fs/nfs/blocklayout/blocklayout.c +++ b/fs/nfs/blocklayout/blocklayout.c @@ -753,7 +753,7 @@ out: case -ENODEV: /* Our extent block devices are unavailable */ set_bit(NFS_LSEG_UNAVAILABLE, &lseg->pls_flags); - /* Fall through */ + fallthrough; case 0: return lseg; default: diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c index a12f42e7d8c7c4..cb52db9a0cfb70 100644 --- a/fs/nfs/dir.c +++ b/fs/nfs/dir.c @@ -579,6 +579,9 @@ int nfs_readdir_page_filler(nfs_readdir_descriptor_t *desc, struct nfs_entry *en xdr_set_scratch_buffer(&stream, page_address(scratch), PAGE_SIZE); do { + if (entry->label) + entry->label->len = NFS4_MAXLABELLEN; + status = xdr_decode(desc, entry, &stream); if (status != 0) { if (status == -EAGAIN) @@ -1181,7 +1184,7 @@ int nfs_lookup_verify_inode(struct inode *inode, unsigned int flags) /* A NFSv4 OPEN will revalidate later */ if (server->caps & NFS_CAP_ATOMIC_OPEN) goto out; - /* Fallthrough */ + fallthrough; case S_IFDIR: if (server->flags & NFS_MOUNT_NOCTO) break; diff --git a/fs/nfs/filelayout/filelayout.c b/fs/nfs/filelayout/filelayout.c index a13e69009f1961..7f5aa0403e1674 100644 --- a/fs/nfs/filelayout/filelayout.c +++ b/fs/nfs/filelayout/filelayout.c @@ -187,7 +187,7 @@ static int filelayout_async_handle_error(struct rpc_task *task, pnfs_error_mark_layout_for_return(inode, lseg); pnfs_set_lo_fail(lseg); rpc_wake_up(&tbl->slot_tbl_waitq); - /* fall through */ + fallthrough; default: reset: dprintk("%s Retry through MDS. Error %d\n", __func__, diff --git a/fs/nfs/flexfilelayout/flexfilelayout.c b/fs/nfs/flexfilelayout/flexfilelayout.c index 965145592750af..a163533446fa35 100644 --- a/fs/nfs/flexfilelayout/flexfilelayout.c +++ b/fs/nfs/flexfilelayout/flexfilelayout.c @@ -715,7 +715,7 @@ nfs4_ff_layout_stat_io_end_write(struct rpc_task *task, } static void -ff_layout_mark_ds_unreachable(struct pnfs_layout_segment *lseg, int idx) +ff_layout_mark_ds_unreachable(struct pnfs_layout_segment *lseg, u32 idx) { struct nfs4_deviceid_node *devid = FF_LAYOUT_DEVID_NODE(lseg, idx); @@ -724,7 +724,7 @@ ff_layout_mark_ds_unreachable(struct pnfs_layout_segment *lseg, int idx) } static void -ff_layout_mark_ds_reachable(struct pnfs_layout_segment *lseg, int idx) +ff_layout_mark_ds_reachable(struct pnfs_layout_segment *lseg, u32 idx) { struct nfs4_deviceid_node *devid = FF_LAYOUT_DEVID_NODE(lseg, idx); @@ -734,14 +734,14 @@ ff_layout_mark_ds_reachable(struct pnfs_layout_segment *lseg, int idx) static struct nfs4_pnfs_ds * ff_layout_choose_ds_for_read(struct pnfs_layout_segment *lseg, - int start_idx, int *best_idx, + u32 start_idx, u32 *best_idx, bool check_device) { struct nfs4_ff_layout_segment *fls = FF_LAYOUT_LSEG(lseg); struct nfs4_ff_layout_mirror *mirror; struct nfs4_pnfs_ds *ds; bool fail_return = false; - int idx; + u32 idx; /* mirrors are initially sorted by efficiency */ for (idx = start_idx; idx < fls->mirror_array_cnt; idx++) { @@ -766,21 +766,21 @@ ff_layout_choose_ds_for_read(struct pnfs_layout_segment *lseg, static struct nfs4_pnfs_ds * ff_layout_choose_any_ds_for_read(struct pnfs_layout_segment *lseg, - int start_idx, int *best_idx) + u32 start_idx, u32 *best_idx) { return ff_layout_choose_ds_for_read(lseg, start_idx, best_idx, false); } static struct nfs4_pnfs_ds * ff_layout_choose_valid_ds_for_read(struct pnfs_layout_segment *lseg, - int start_idx, int *best_idx) + u32 start_idx, u32 *best_idx) { return ff_layout_choose_ds_for_read(lseg, start_idx, best_idx, true); } static struct nfs4_pnfs_ds * ff_layout_choose_best_ds_for_read(struct pnfs_layout_segment *lseg, - int start_idx, int *best_idx) + u32 start_idx, u32 *best_idx) { struct nfs4_pnfs_ds *ds; @@ -791,7 +791,8 @@ ff_layout_choose_best_ds_for_read(struct pnfs_layout_segment *lseg, } static struct nfs4_pnfs_ds * -ff_layout_get_ds_for_read(struct nfs_pageio_descriptor *pgio, int *best_idx) +ff_layout_get_ds_for_read(struct nfs_pageio_descriptor *pgio, + u32 *best_idx) { struct pnfs_layout_segment *lseg = pgio->pg_lseg; struct nfs4_pnfs_ds *ds; @@ -837,7 +838,7 @@ ff_layout_pg_init_read(struct nfs_pageio_descriptor *pgio, struct nfs_pgio_mirror *pgm; struct nfs4_ff_layout_mirror *mirror; struct nfs4_pnfs_ds *ds; - int ds_idx; + u32 ds_idx, i; retry: ff_layout_pg_check_layout(pgio, req); @@ -863,14 +864,14 @@ retry: goto retry; } - mirror = FF_LAYOUT_COMP(pgio->pg_lseg, ds_idx); + for (i = 0; i < pgio->pg_mirror_count; i++) { + mirror = FF_LAYOUT_COMP(pgio->pg_lseg, i); + pgm = &pgio->pg_mirrors[i]; + pgm->pg_bsize = mirror->mirror_ds->ds_versions[0].rsize; + } pgio->pg_mirror_idx = ds_idx; - /* read always uses only one mirror - idx 0 for pgio layer */ - pgm = &pgio->pg_mirrors[0]; - pgm->pg_bsize = mirror->mirror_ds->ds_versions[0].rsize; - if (NFS_SERVER(pgio->pg_inode)->flags & (NFS_MOUNT_SOFT|NFS_MOUNT_SOFTERR)) pgio->pg_maxretrans = io_maxretrans; @@ -894,7 +895,7 @@ ff_layout_pg_init_write(struct nfs_pageio_descriptor *pgio, struct nfs4_ff_layout_mirror *mirror; struct nfs_pgio_mirror *pgm; struct nfs4_pnfs_ds *ds; - int i; + u32 i; retry: ff_layout_pg_check_layout(pgio, req); @@ -1038,7 +1039,7 @@ static void ff_layout_reset_write(struct nfs_pgio_header *hdr, bool retry_pnfs) static void ff_layout_resend_pnfs_read(struct nfs_pgio_header *hdr) { u32 idx = hdr->pgio_mirror_idx + 1; - int new_idx = 0; + u32 new_idx = 0; if (ff_layout_choose_any_ds_for_read(hdr->lseg, idx + 1, &new_idx)) ff_layout_send_layouterror(hdr->lseg); @@ -1075,7 +1076,7 @@ static int ff_layout_async_handle_error_v4(struct rpc_task *task, struct nfs4_state *state, struct nfs_client *clp, struct pnfs_layout_segment *lseg, - int idx) + u32 idx) { struct pnfs_layout_hdr *lo = lseg->pls_layout; struct inode *inode = lo->plh_inode; @@ -1133,7 +1134,7 @@ static int ff_layout_async_handle_error_v4(struct rpc_task *task, nfs4_delete_deviceid(devid->ld, devid->nfs_client, &devid->deviceid); rpc_wake_up(&tbl->slot_tbl_waitq); - /* fall through */ + fallthrough; default: if (ff_layout_avoid_mds_available_ds(lseg)) return -NFS4ERR_RESET_TO_PNFS; @@ -1149,7 +1150,7 @@ reset: /* Retry all errors through either pNFS or MDS except for -EJUKEBOX */ static int ff_layout_async_handle_error_v3(struct rpc_task *task, struct pnfs_layout_segment *lseg, - int idx) + u32 idx) { struct nfs4_deviceid_node *devid = FF_LAYOUT_DEVID_NODE(lseg, idx); @@ -1184,7 +1185,7 @@ static int ff_layout_async_handle_error(struct rpc_task *task, struct nfs4_state *state, struct nfs_client *clp, struct pnfs_layout_segment *lseg, - int idx) + u32 idx) { int vers = clp->cl_nfs_mod->rpc_vers->number; @@ -1211,7 +1212,7 @@ static int ff_layout_async_handle_error(struct rpc_task *task, } static void ff_layout_io_track_ds_error(struct pnfs_layout_segment *lseg, - int idx, u64 offset, u64 length, + u32 idx, u64 offset, u64 length, u32 *op_status, int opnum, int error) { struct nfs4_ff_layout_mirror *mirror; @@ -1260,7 +1261,7 @@ static void ff_layout_io_track_ds_error(struct pnfs_layout_segment *lseg, */ if (opnum == OP_READ) break; - /* Fallthrough */ + fallthrough; default: pnfs_error_mark_layout_for_return(lseg->pls_layout->plh_inode, lseg); @@ -1809,7 +1810,7 @@ ff_layout_write_pagelist(struct nfs_pgio_header *hdr, int sync) loff_t offset = hdr->args.offset; int vers; struct nfs_fh *fh; - int idx = hdr->pgio_mirror_idx; + u32 idx = hdr->pgio_mirror_idx; mirror = FF_LAYOUT_COMP(lseg, idx); ds = nfs4_ff_layout_prepare_ds(lseg, mirror, true); diff --git a/fs/nfs/fs_context.c b/fs/nfs/fs_context.c index 66949da0e82779..524812984e2d43 100644 --- a/fs/nfs/fs_context.c +++ b/fs/nfs/fs_context.c @@ -651,21 +651,21 @@ static int nfs_fs_context_parse_param(struct fs_context *fc, switch (lookup_constant(nfs_xprt_protocol_tokens, param->string, -1)) { case Opt_xprt_udp6: protofamily = AF_INET6; - /* fall through */ + fallthrough; case Opt_xprt_udp: ctx->flags &= ~NFS_MOUNT_TCP; ctx->nfs_server.protocol = XPRT_TRANSPORT_UDP; break; case Opt_xprt_tcp6: protofamily = AF_INET6; - /* fall through */ + fallthrough; case Opt_xprt_tcp: ctx->flags |= NFS_MOUNT_TCP; ctx->nfs_server.protocol = XPRT_TRANSPORT_TCP; break; case Opt_xprt_rdma6: protofamily = AF_INET6; - /* fall through */ + fallthrough; case Opt_xprt_rdma: /* vector side protocols to TCP */ ctx->flags |= NFS_MOUNT_TCP; @@ -684,13 +684,13 @@ static int nfs_fs_context_parse_param(struct fs_context *fc, switch (lookup_constant(nfs_xprt_protocol_tokens, param->string, -1)) { case Opt_xprt_udp6: mountfamily = AF_INET6; - /* fall through */ + fallthrough; case Opt_xprt_udp: ctx->mount_server.protocol = XPRT_TRANSPORT_UDP; break; case Opt_xprt_tcp6: mountfamily = AF_INET6; - /* fall through */ + fallthrough; case Opt_xprt_tcp: ctx->mount_server.protocol = XPRT_TRANSPORT_TCP; break; @@ -899,9 +899,11 @@ static int nfs23_parse_monolithic(struct fs_context *fc, ctx->version = NFS_DEFAULT_VERSION; switch (data->version) { case 1: - data->namlen = 0; /* fall through */ + data->namlen = 0; + fallthrough; case 2: - data->bsize = 0; /* fall through */ + data->bsize = 0; + fallthrough; case 3: if (data->flags & NFS_MOUNT_VER3) goto out_no_v3; @@ -909,14 +911,14 @@ static int nfs23_parse_monolithic(struct fs_context *fc, memcpy(data->root.data, data->old_root.data, NFS2_FHSIZE); /* Turn off security negotiation */ extra_flags |= NFS_MOUNT_SECFLAVOUR; - /* fall through */ + fallthrough; case 4: if (data->flags & NFS_MOUNT_SECFLAVOUR) goto out_no_sec; - /* fall through */ + fallthrough; case 5: memset(data->context, 0, sizeof(data->context)); - /* fall through */ + fallthrough; case 6: if (data->flags & NFS_MOUNT_VER3) { if (data->root.size > NFS3_FHSIZE || data->root.size == 0) diff --git a/fs/nfs/nfs3acl.c b/fs/nfs/nfs3acl.c index 26c94b32d6f49e..c6c863382f375b 100644 --- a/fs/nfs/nfs3acl.c +++ b/fs/nfs/nfs3acl.c @@ -108,7 +108,7 @@ struct posix_acl *nfs3_get_acl(struct inode *inode, int type) case -EPROTONOSUPPORT: dprintk("NFS_V3_ACL extension not supported; disabling\n"); server->caps &= ~NFS_CAP_ACLS; - /* fall through */ + fallthrough; case -ENOTSUPP: status = -EOPNOTSUPP; default: @@ -228,7 +228,7 @@ static int __nfs3_proc_setacls(struct inode *inode, struct posix_acl *acl, dprintk("NFS_V3_ACL SETACL RPC not supported" "(will not retry)\n"); server->caps &= ~NFS_CAP_ACLS; - /* fall through */ + fallthrough; case -ENOTSUPP: status = -EOPNOTSUPP; } diff --git a/fs/nfs/nfs42proc.c b/fs/nfs/nfs42proc.c index 142225f0af5953..2b2211d1234e29 100644 --- a/fs/nfs/nfs42proc.c +++ b/fs/nfs/nfs42proc.c @@ -356,7 +356,15 @@ static ssize_t _nfs42_proc_copy(struct file *src, truncate_pagecache_range(dst_inode, pos_dst, pos_dst + res->write_res.count); - + spin_lock(&dst_inode->i_lock); + NFS_I(dst_inode)->cache_validity |= (NFS_INO_REVAL_PAGECACHE | + NFS_INO_REVAL_FORCED | NFS_INO_INVALID_SIZE | + NFS_INO_INVALID_ATTR | NFS_INO_INVALID_DATA); + spin_unlock(&dst_inode->i_lock); + spin_lock(&src_inode->i_lock); + NFS_I(src_inode)->cache_validity |= (NFS_INO_REVAL_PAGECACHE | + NFS_INO_REVAL_FORCED | NFS_INO_INVALID_ATIME); + spin_unlock(&src_inode->i_lock); status = res->write_res.count; out: if (args->sync) diff --git a/fs/nfs/nfs4file.c b/fs/nfs/nfs4file.c index a339707654673b..fdfc77486acee6 100644 --- a/fs/nfs/nfs4file.c +++ b/fs/nfs/nfs4file.c @@ -211,7 +211,7 @@ static loff_t nfs4_file_llseek(struct file *filep, loff_t offset, int whence) ret = nfs42_proc_llseek(filep, offset, whence); if (ret != -ENOTSUPP) return ret; - /* Fall through */ + fallthrough; default: return nfs_file_llseek(filep, offset, whence); } diff --git a/fs/nfs/nfs4idmap.c b/fs/nfs/nfs4idmap.c index 1e7296395d71bf..62e6eea5c516d8 100644 --- a/fs/nfs/nfs4idmap.c +++ b/fs/nfs/nfs4idmap.c @@ -520,7 +520,7 @@ static int nfs_idmap_prepare_message(char *desc, struct idmap *idmap, switch (token) { case Opt_find_uid: im->im_type = IDMAP_TYPE_USER; - /* Fall through */ + fallthrough; case Opt_find_gid: im->im_conv = IDMAP_CONV_NAMETOID; ret = match_strlcpy(im->im_name, &substr, IDMAP_NAMESZ); @@ -528,7 +528,7 @@ static int nfs_idmap_prepare_message(char *desc, struct idmap *idmap, case Opt_find_user: im->im_type = IDMAP_TYPE_USER; - /* Fall through */ + fallthrough; case Opt_find_group: im->im_conv = IDMAP_CONV_IDTONAME; ret = match_int(&substr, &im->im_id); diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index dbd01548335b2d..6e95c85fe395a8 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -483,7 +483,7 @@ static int nfs4_do_handle_exception(struct nfs_server *server, stateid); goto wait_on_recovery; } - /* Fall through */ + fallthrough; case -NFS4ERR_OPENMODE: if (inode) { int err; @@ -534,10 +534,10 @@ static int nfs4_do_handle_exception(struct nfs_server *server, ret = -EBUSY; break; } - /* Fall through */ + fallthrough; case -NFS4ERR_DELAY: nfs_inc_server_stats(server, NFSIOS_DELAY); - /* Fall through */ + fallthrough; case -NFS4ERR_GRACE: case -NFS4ERR_LAYOUTTRYLATER: case -NFS4ERR_RECALLCONFLICT: @@ -1505,7 +1505,7 @@ static int can_open_delegated(struct nfs_delegation *delegation, fmode_t fmode, case NFS4_OPEN_CLAIM_PREVIOUS: if (!test_bit(NFS_DELEGATION_NEED_RECLAIM, &delegation->flags)) break; - /* Fall through */ + fallthrough; default: return 0; } @@ -2439,7 +2439,7 @@ static void nfs4_open_prepare(struct rpc_task *task, void *calldata) case NFS4_OPEN_CLAIM_DELEG_CUR_FH: case NFS4_OPEN_CLAIM_DELEG_PREV_FH: data->o_arg.open_bitmap = &nfs4_open_noattr_bitmap[0]; - /* Fall through */ + fallthrough; case NFS4_OPEN_CLAIM_FH: task->tk_msg.rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_OPEN_NOATTR]; } @@ -3293,8 +3293,10 @@ static int _nfs4_do_setattr(struct inode *inode, /* Servers should only apply open mode checks for file size changes */ truncate = (arg->iap->ia_valid & ATTR_SIZE) ? true : false; - if (!truncate) + if (!truncate) { + nfs4_inode_make_writeable(inode); goto zero_stateid; + } if (nfs4_copy_delegation_stateid(inode, FMODE_WRITE, &arg->stateid, &delegation_cred)) { /* Use that stateid */ @@ -3545,11 +3547,11 @@ static void nfs4_close_done(struct rpc_task *task, void *data) nfs4_free_revoked_stateid(server, &calldata->arg.stateid, task->tk_msg.rpc_cred); - /* Fallthrough */ + fallthrough; case -NFS4ERR_BAD_STATEID: if (calldata->arg.fmode == 0) break; - /* Fallthrough */ + fallthrough; default: task->tk_status = nfs4_async_handle_exception(task, server, task->tk_status, &exception); @@ -6294,7 +6296,7 @@ static void nfs4_delegreturn_done(struct rpc_task *task, void *calldata) nfs4_free_revoked_stateid(data->res.server, data->args.stateid, task->tk_msg.rpc_cred); - /* Fallthrough */ + fallthrough; case -NFS4ERR_BAD_STATEID: case -NFS4ERR_STALE_STATEID: case -ETIMEDOUT: @@ -6314,7 +6316,7 @@ static void nfs4_delegreturn_done(struct rpc_task *task, void *calldata) data->res.fattr = NULL; goto out_restart; } - /* Fallthrough */ + fallthrough; default: task->tk_status = nfs4_async_handle_exception(task, data->res.server, task->tk_status, @@ -6622,13 +6624,13 @@ static void nfs4_locku_done(struct rpc_task *task, void *data) if (nfs4_update_lock_stateid(calldata->lsp, &calldata->res.stateid)) break; - /* Fall through */ + fallthrough; case -NFS4ERR_ADMIN_REVOKED: case -NFS4ERR_EXPIRED: nfs4_free_revoked_stateid(calldata->server, &calldata->arg.stateid, task->tk_msg.rpc_cred); - /* Fall through */ + fallthrough; case -NFS4ERR_BAD_STATEID: case -NFS4ERR_STALE_STATEID: if (nfs4_sync_lock_stateid(&calldata->arg.stateid, @@ -7298,7 +7300,12 @@ int nfs4_lock_delegation_recall(struct file_lock *fl, struct nfs4_state *state, err = nfs4_set_lock_state(state, fl); if (err != 0) return err; - err = _nfs4_do_setlk(state, F_SETLK, fl, NFS_LOCK_NEW); + do { + err = _nfs4_do_setlk(state, F_SETLK, fl, NFS_LOCK_NEW); + if (err != -NFS4ERR_DELAY) + break; + ssleep(1); + } while (err == -NFS4ERR_DELAY); return nfs4_handle_delegation_recall_error(server, state, stateid, fl, err); } @@ -8665,7 +8672,7 @@ static void nfs4_get_lease_time_done(struct rpc_task *task, void *calldata) dprintk("%s Retry: tk_status %d\n", __func__, task->tk_status); rpc_delay(task, NFS4_POLL_RETRY_MIN); task->tk_status = 0; - /* fall through */ + fallthrough; case -NFS4ERR_RETRY_UNCACHED_REP: rpc_restart_call_prepare(task); return; @@ -9113,13 +9120,13 @@ static int nfs41_reclaim_complete_handle_errors(struct rpc_task *task, struct nf switch(task->tk_status) { case 0: wake_up_all(&clp->cl_lock_waitq); - /* Fallthrough */ + fallthrough; case -NFS4ERR_COMPLETE_ALREADY: case -NFS4ERR_WRONG_CRED: /* What to do here? */ break; case -NFS4ERR_DELAY: rpc_delay(task, NFS4_POLL_RETRY_MAX); - /* fall through */ + fallthrough; case -NFS4ERR_RETRY_UNCACHED_REP: return -EAGAIN; case -NFS4ERR_BADSESSION: @@ -9434,10 +9441,10 @@ static void nfs4_layoutreturn_done(struct rpc_task *task, void *calldata) &lrp->args.range, lrp->args.inode)) goto out_restart; - /* Fallthrough */ + fallthrough; default: task->tk_status = 0; - /* Fallthrough */ + fallthrough; case 0: break; case -NFS4ERR_DELAY: diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c index b1dba24918f806..4bf10792cb5b10 100644 --- a/fs/nfs/nfs4state.c +++ b/fs/nfs/nfs4state.c @@ -1530,7 +1530,7 @@ restart: default: pr_err("NFS: %s: unhandled error %d\n", __func__, status); - /* Fall through */ + fallthrough; case -ENOMEM: case -NFS4ERR_DENIED: case -NFS4ERR_RECLAIM_BAD: @@ -1667,7 +1667,7 @@ restart: break; } printk(KERN_ERR "NFS: %s: unhandled error %d\n", __func__, status); - /* Fall through */ + fallthrough; case -ENOENT: case -ENOMEM: case -EACCES: @@ -1683,7 +1683,7 @@ restart: set_bit(ops->state_flag_bit, &state->flags); break; } - /* Fall through */ + fallthrough; case -NFS4ERR_ADMIN_REVOKED: case -NFS4ERR_STALE_STATEID: case -NFS4ERR_OLD_STATEID: @@ -1695,7 +1695,7 @@ restart: case -NFS4ERR_EXPIRED: case -NFS4ERR_NO_GRACE: nfs4_state_mark_reclaim_nograce(sp->so_server->nfs_client, state); - /* Fall through */ + fallthrough; case -NFS4ERR_STALE_CLIENTID: case -NFS4ERR_BADSESSION: case -NFS4ERR_BADSLOT: @@ -2273,11 +2273,11 @@ again: case -ETIMEDOUT: if (clnt->cl_softrtry) break; - /* Fall through */ + fallthrough; case -NFS4ERR_DELAY: case -EAGAIN: ssleep(1); - /* Fall through */ + fallthrough; case -NFS4ERR_STALE_CLIENTID: dprintk("NFS: %s after status %d, retrying\n", __func__, status); @@ -2289,7 +2289,7 @@ again: } if (clnt->cl_auth->au_flavor == RPC_AUTH_UNIX) break; - /* Fall through */ + fallthrough; case -NFS4ERR_CLID_INUSE: case -NFS4ERR_WRONGSEC: /* No point in retrying if we already used RPC_AUTH_UNIX */ diff --git a/fs/nfs/pagelist.c b/fs/nfs/pagelist.c index 6ea4cac41e46fe..6985cacf4700df 100644 --- a/fs/nfs/pagelist.c +++ b/fs/nfs/pagelist.c @@ -711,7 +711,7 @@ static void nfs_pgio_rpcsetup(struct nfs_pgio_header *hdr, case FLUSH_COND_STABLE: if (nfs_reqs_to_commit(cinfo)) break; - /* fall through */ + fallthrough; default: hdr->args.stable = NFS_FILE_SYNC; } diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c index 40332c758d8466..71f7741126b6dc 100644 --- a/fs/nfs/pnfs.c +++ b/fs/nfs/pnfs.c @@ -1541,7 +1541,7 @@ void pnfs_roc_release(struct nfs4_layoutreturn_args *args, case 0: if (res->lrs_present) res_stateid = &res->stateid; - /* Fallthrough */ + fallthrough; default: arg_stateid = &args->stateid; } diff --git a/fs/nfs_common/nfsacl.c b/fs/nfs_common/nfsacl.c index 8ceb6425e01aa2..d056ad2fdefd6e 100644 --- a/fs/nfs_common/nfsacl.c +++ b/fs/nfs_common/nfsacl.c @@ -237,7 +237,7 @@ posix_acl_from_nfsacl(struct posix_acl *acl) break; case ACL_MASK: mask = pa; - /* fall through */ + fallthrough; case ACL_OTHER: break; } diff --git a/fs/nfsd/blocklayout.c b/fs/nfsd/blocklayout.c index 9bbaa671c0799d..311e5ce80cfc27 100644 --- a/fs/nfsd/blocklayout.c +++ b/fs/nfsd/blocklayout.c @@ -83,13 +83,13 @@ nfsd4_block_proc_layoutget(struct inode *inode, const struct svc_fh *fhp, bex->soff = iomap.addr; break; } - /*FALLTHRU*/ + fallthrough; case IOMAP_HOLE: if (seg->iomode == IOMODE_READ) { bex->es = PNFS_BLOCK_NONE_DATA; break; } - /*FALLTHRU*/ + fallthrough; case IOMAP_DELALLOC: default: WARN(1, "pnfsd: filesystem returned %d extent\n", iomap.type); diff --git a/fs/nfsd/nfs4callback.c b/fs/nfsd/nfs4callback.c index 7fbe9840a03e70..052be5bf9ef50c 100644 --- a/fs/nfsd/nfs4callback.c +++ b/fs/nfsd/nfs4callback.c @@ -1119,7 +1119,7 @@ static bool nfsd4_cb_sequence_done(struct rpc_task *task, struct nfsd4_callback break; case -ESERVERFAULT: ++session->se_cb_seq_nr; - /* Fall through */ + fallthrough; case 1: case -NFS4ERR_BADSESSION: nfsd4_mark_cb_fault(cb->cb_clp, cb->cb_seq_status); diff --git a/fs/nfsd/nfs4layouts.c b/fs/nfsd/nfs4layouts.c index e12409eca7cc42..a97873f2d22b0d 100644 --- a/fs/nfsd/nfs4layouts.c +++ b/fs/nfsd/nfs4layouts.c @@ -681,7 +681,7 @@ nfsd4_cb_layout_done(struct nfsd4_callback *cb, struct rpc_task *task) rpc_delay(task, HZ/100); /* 10 mili-seconds */ return 0; } - /* Fallthrough */ + fallthrough; default: /* * Unknown error or non-responding client, we'll need to fence. diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c index a527da3d805219..eaf50eafa93596 100644 --- a/fs/nfsd/nfs4proc.c +++ b/fs/nfsd/nfs4proc.c @@ -428,7 +428,7 @@ nfsd4_open(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, goto out; open->op_openowner->oo_flags |= NFS4_OO_CONFIRMED; reclaim = true; - /* fall through */ + fallthrough; case NFS4_OPEN_CLAIM_FH: case NFS4_OPEN_CLAIM_DELEG_CUR_FH: status = do_open_fhandle(rqstp, cstate, open); diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index 81ed8e8bab3fc7..c09a2a4281ec93 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -3117,7 +3117,7 @@ nfsd4_exchange_id(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, break; default: /* checked by xdr code */ WARN_ON_ONCE(1); - /* fall through */ + fallthrough; case SP4_SSV: status = nfserr_encr_alg_unsupp; goto out_nolock; @@ -4532,7 +4532,7 @@ static int nfsd4_cb_recall_done(struct nfsd4_callback *cb, rpc_delay(task, 2 * HZ); return 0; } - /*FALLTHRU*/ + fallthrough; default: return 1; } @@ -4597,6 +4597,8 @@ static bool nfsd_breaker_owns_lease(struct file_lock *fl) if (!i_am_nfsd()) return NULL; rqst = kthread_data(current); + if (!rqst->rq_lease_breaker) + return NULL; clp = *(rqst->rq_lease_breaker); return dl->dl_stid.sc_client == clp; } @@ -5652,7 +5654,7 @@ static __be32 nfsd4_validate_stateid(struct nfs4_client *cl, stateid_t *stateid) break; default: printk("unknown stateid type %x\n", s->sc_type); - /* Fallthrough */ + fallthrough; case NFS4_CLOSED_STID: case NFS4_CLOSED_DELEG_STID: status = nfserr_bad_stateid; @@ -6742,7 +6744,7 @@ nfsd4_lock(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, case NFS4_READW_LT: if (nfsd4_has_session(cstate)) fl_flags |= FL_SLEEP; - /* Fallthrough */ + fallthrough; case NFS4_READ_LT: spin_lock(&fp->fi_lock); nf = find_readable_file_locked(fp); @@ -6754,7 +6756,7 @@ nfsd4_lock(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, case NFS4_WRITEW_LT: if (nfsd4_has_session(cstate)) fl_flags |= FL_SLEEP; - /* Fallthrough */ + fallthrough; case NFS4_WRITE_LT: spin_lock(&fp->fi_lock); nf = find_writeable_file_locked(fp); @@ -6816,7 +6818,7 @@ nfsd4_lock(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, break; case FILE_LOCK_DEFERRED: nbl = NULL; - /* Fallthrough */ + fallthrough; case -EAGAIN: /* conflock holds conflicting lock */ status = nfserr_denied; dprintk("NFSD: nfsd4_lock: conflicting lock found!\n"); diff --git a/fs/nfsd/nfsfh.c b/fs/nfsd/nfsfh.c index 37bc8f5f451428..c81dbbad879201 100644 --- a/fs/nfsd/nfsfh.c +++ b/fs/nfsd/nfsfh.c @@ -459,7 +459,7 @@ static bool fsid_type_ok_for_exp(u8 fsid_type, struct svc_export *exp) case FSID_DEV: if (!old_valid_dev(exp_sb(exp)->s_dev)) return false; - /* FALL THROUGH */ + fallthrough; case FSID_MAJOR_MINOR: case FSID_ENCODE_DEV: return exp_sb(exp)->s_type->fs_flags & FS_REQUIRES_DEV; @@ -469,7 +469,7 @@ static bool fsid_type_ok_for_exp(u8 fsid_type, struct svc_export *exp) case FSID_UUID16: if (!is_root_export(exp)) return false; - /* fall through */ + fallthrough; case FSID_UUID4_INUM: case FSID_UUID16_INUM: return exp->ex_uuid != NULL; diff --git a/fs/nfsd/nfsproc.c b/fs/nfsd/nfsproc.c index 543bbe0a556e73..6e0b066480c504 100644 --- a/fs/nfsd/nfsproc.c +++ b/fs/nfsd/nfsproc.c @@ -314,7 +314,7 @@ nfsd_proc_create(struct svc_rqst *rqstp) rdev = inode->i_rdev; attr->ia_valid |= ATTR_SIZE; - /* FALLTHROUGH */ + fallthrough; case S_IFIFO: /* this is probably a permission check.. * at least IRIX implements perm checking on diff --git a/fs/nfsd/nfssvc.c b/fs/nfsd/nfssvc.c index b603dfcdd3615f..f7f6473578afaf 100644 --- a/fs/nfsd/nfssvc.c +++ b/fs/nfsd/nfssvc.c @@ -221,7 +221,7 @@ int nfsd_vers(struct nfsd_net *nn, int vers, enum vers_op change) case NFSD_TEST: if (nn->nfsd_versions) return nn->nfsd_versions[vers]; - /* Fallthrough */ + fallthrough; case NFSD_AVAIL: return nfsd_support_version(vers); } diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c index 7d2933b85b6536..aba5af9df328a4 100644 --- a/fs/nfsd/vfs.c +++ b/fs/nfsd/vfs.c @@ -1456,7 +1456,7 @@ do_nfsd_create(struct svc_rqst *rqstp, struct svc_fh *fhp, *created = true; break; } - /* fall through */ + fallthrough; case NFS4_CREATE_EXCLUSIVE4_1: if ( d_inode(dchild)->i_mtime.tv_sec == v_mtime && d_inode(dchild)->i_atime.tv_sec == v_atime @@ -1465,7 +1465,7 @@ do_nfsd_create(struct svc_rqst *rqstp, struct svc_fh *fhp, *created = true; goto set_attr; } - /* fall through */ + fallthrough; case NFS3_CREATE_GUARDED: err = nfserr_exist; } diff --git a/fs/nilfs2/bmap.c b/fs/nilfs2/bmap.c index fb5a9a8a13cf7d..e516ae389ca5be 100644 --- a/fs/nilfs2/bmap.c +++ b/fs/nilfs2/bmap.c @@ -519,7 +519,7 @@ int nilfs_bmap_read(struct nilfs_bmap *bmap, struct nilfs_inode *raw_inode) break; case NILFS_IFILE_INO: lockdep_set_class(&bmap->b_sem, &nilfs_bmap_mdt_lock_key); - /* Fall through */ + fallthrough; default: bmap->b_ptr_type = NILFS_BMAP_PTR_VM; bmap->b_last_allocated_key = 0; diff --git a/fs/nilfs2/recovery.c b/fs/nilfs2/recovery.c index 0b453ef8fae5cf..2217f904a7cfb5 100644 --- a/fs/nilfs2/recovery.c +++ b/fs/nilfs2/recovery.c @@ -626,7 +626,7 @@ static int nilfs_do_roll_forward(struct the_nilfs *nilfs, !(flags & NILFS_SS_SYNDT)) goto try_next_pseg; state = RF_DSYNC_ST; - /* Fall through */ + fallthrough; case RF_DSYNC_ST: if (!(flags & NILFS_SS_SYNDT)) goto confused; diff --git a/fs/nilfs2/segment.c b/fs/nilfs2/segment.c index a651e821c2de3e..e3726aca28ed63 100644 --- a/fs/nilfs2/segment.c +++ b/fs/nilfs2/segment.c @@ -1138,7 +1138,8 @@ static int nilfs_segctor_collect_blocks(struct nilfs_sc_info *sci, int mode) nilfs_sc_cstage_set(sci, NILFS_ST_DAT); goto dat_stage; } - nilfs_sc_cstage_inc(sci); /* Fall through */ + nilfs_sc_cstage_inc(sci); + fallthrough; case NILFS_ST_GC: if (nilfs_doing_gc()) { head = &sci->sc_gc_inodes; @@ -1159,7 +1160,8 @@ static int nilfs_segctor_collect_blocks(struct nilfs_sc_info *sci, int mode) } sci->sc_stage.gc_inode_ptr = NULL; } - nilfs_sc_cstage_inc(sci); /* Fall through */ + nilfs_sc_cstage_inc(sci); + fallthrough; case NILFS_ST_FILE: head = &sci->sc_dirty_files; ii = list_prepare_entry(sci->sc_stage.dirty_file_ptr, head, @@ -1186,7 +1188,7 @@ static int nilfs_segctor_collect_blocks(struct nilfs_sc_info *sci, int mode) } nilfs_sc_cstage_inc(sci); sci->sc_stage.flags |= NILFS_CF_IFILE_STARTED; - /* Fall through */ + fallthrough; case NILFS_ST_IFILE: err = nilfs_segctor_scan_file(sci, sci->sc_root->ifile, &nilfs_sc_file_ops); @@ -1197,13 +1199,14 @@ static int nilfs_segctor_collect_blocks(struct nilfs_sc_info *sci, int mode) err = nilfs_segctor_create_checkpoint(sci); if (unlikely(err)) break; - /* Fall through */ + fallthrough; case NILFS_ST_CPFILE: err = nilfs_segctor_scan_file(sci, nilfs->ns_cpfile, &nilfs_sc_file_ops); if (unlikely(err)) break; - nilfs_sc_cstage_inc(sci); /* Fall through */ + nilfs_sc_cstage_inc(sci); + fallthrough; case NILFS_ST_SUFILE: err = nilfs_sufile_freev(nilfs->ns_sufile, sci->sc_freesegs, sci->sc_nfreesegs, &ndone); @@ -1219,7 +1222,8 @@ static int nilfs_segctor_collect_blocks(struct nilfs_sc_info *sci, int mode) &nilfs_sc_file_ops); if (unlikely(err)) break; - nilfs_sc_cstage_inc(sci); /* Fall through */ + nilfs_sc_cstage_inc(sci); + fallthrough; case NILFS_ST_DAT: dat_stage: err = nilfs_segctor_scan_file(sci, nilfs->ns_dat, @@ -1230,7 +1234,8 @@ static int nilfs_segctor_collect_blocks(struct nilfs_sc_info *sci, int mode) nilfs_sc_cstage_set(sci, NILFS_ST_DONE); return 0; } - nilfs_sc_cstage_inc(sci); /* Fall through */ + nilfs_sc_cstage_inc(sci); + fallthrough; case NILFS_ST_SR: if (mode == SC_LSEG_SR) { /* Appending a super root */ diff --git a/fs/notify/fanotify/fanotify_user.c b/fs/notify/fanotify/fanotify_user.c index 559de311deca96..3e01d8f2ab9061 100644 --- a/fs/notify/fanotify/fanotify_user.c +++ b/fs/notify/fanotify/fanotify_user.c @@ -1147,7 +1147,7 @@ static int do_fanotify_mark(int fanotify_fd, unsigned int flags, __u64 mask, } switch (flags & (FAN_MARK_ADD | FAN_MARK_REMOVE | FAN_MARK_FLUSH)) { - case FAN_MARK_ADD: /* fallthrough */ + case FAN_MARK_ADD: case FAN_MARK_REMOVE: if (!mask) return -EINVAL; diff --git a/fs/ocfs2/cluster/quorum.c b/fs/ocfs2/cluster/quorum.c index 1ef24574f48189..cea739be77c466 100644 --- a/fs/ocfs2/cluster/quorum.c +++ b/fs/ocfs2/cluster/quorum.c @@ -67,7 +67,7 @@ static void o2quo_fence_self(void) default: WARN_ON(o2nm_single_cluster->cl_fence_method >= O2NM_FENCE_METHODS); - /* fall through */ + fallthrough; case O2NM_FENCE_RESET: printk(KERN_ERR "*** ocfs2 is very sorry to be fencing this " "system by restarting ***\n"); diff --git a/fs/pipe.c b/fs/pipe.c index 60dbee45714367..117db82b10af51 100644 --- a/fs/pipe.c +++ b/fs/pipe.c @@ -106,25 +106,6 @@ void pipe_double_lock(struct pipe_inode_info *pipe1, } } -/* Drop the inode semaphore and wait for a pipe event, atomically */ -void pipe_wait(struct pipe_inode_info *pipe) -{ - DEFINE_WAIT(rdwait); - DEFINE_WAIT(wrwait); - - /* - * Pipes are system-local resources, so sleeping on them - * is considered a noninteractive wait: - */ - prepare_to_wait(&pipe->rd_wait, &rdwait, TASK_INTERRUPTIBLE); - prepare_to_wait(&pipe->wr_wait, &wrwait, TASK_INTERRUPTIBLE); - pipe_unlock(pipe); - schedule(); - finish_wait(&pipe->rd_wait, &rdwait); - finish_wait(&pipe->wr_wait, &wrwait); - pipe_lock(pipe); -} - static void anon_pipe_buf_release(struct pipe_inode_info *pipe, struct pipe_buffer *buf) { @@ -1035,12 +1016,52 @@ SYSCALL_DEFINE1(pipe, int __user *, fildes) return do_pipe2(fildes, 0); } +/* + * This is the stupid "wait for pipe to be readable or writable" + * model. + * + * See pipe_read/write() for the proper kind of exclusive wait, + * but that requires that we wake up any other readers/writers + * if we then do not end up reading everything (ie the whole + * "wake_next_reader/writer" logic in pipe_read/write()). + */ +void pipe_wait_readable(struct pipe_inode_info *pipe) +{ + pipe_unlock(pipe); + wait_event_interruptible(pipe->rd_wait, pipe_readable(pipe)); + pipe_lock(pipe); +} + +void pipe_wait_writable(struct pipe_inode_info *pipe) +{ + pipe_unlock(pipe); + wait_event_interruptible(pipe->wr_wait, pipe_writable(pipe)); + pipe_lock(pipe); +} + +/* + * This depends on both the wait (here) and the wakeup (wake_up_partner) + * holding the pipe lock, so "*cnt" is stable and we know a wakeup cannot + * race with the count check and waitqueue prep. + * + * Normally in order to avoid races, you'd do the prepare_to_wait() first, + * then check the condition you're waiting for, and only then sleep. But + * because of the pipe lock, we can check the condition before being on + * the wait queue. + * + * We use the 'rd_wait' waitqueue for pipe partner waiting. + */ static int wait_for_partner(struct pipe_inode_info *pipe, unsigned int *cnt) { + DEFINE_WAIT(rdwait); int cur = *cnt; while (cur == *cnt) { - pipe_wait(pipe); + prepare_to_wait(&pipe->rd_wait, &rdwait, TASK_INTERRUPTIBLE); + pipe_unlock(pipe); + schedule(); + finish_wait(&pipe->rd_wait, &rdwait); + pipe_lock(pipe); if (signal_pending(current)) break; } @@ -1050,7 +1071,6 @@ static int wait_for_partner(struct pipe_inode_info *pipe, unsigned int *cnt) static void wake_up_partner(struct pipe_inode_info *pipe) { wake_up_interruptible_all(&pipe->rd_wait); - wake_up_interruptible_all(&pipe->wr_wait); } static int fifo_open(struct inode *inode, struct file *filp) diff --git a/fs/pstore/zone.c b/fs/pstore/zone.c index 819428dfa32fac..3ce89216670c9b 100644 --- a/fs/pstore/zone.c +++ b/fs/pstore/zone.c @@ -1081,7 +1081,6 @@ next_zone: readop = psz_ftrace_read; break; case PSTORE_TYPE_CONSOLE: - fallthrough; case PSTORE_TYPE_PMSG: readop = psz_record_read; break; diff --git a/fs/quota/quota.c b/fs/quota/quota.c index 5444d3c4d93f37..47f9e151988b3e 100644 --- a/fs/quota/quota.c +++ b/fs/quota/quota.c @@ -38,7 +38,7 @@ static int check_quotactl_permission(struct super_block *sb, int type, int cmd, if ((type == USRQUOTA && uid_eq(current_euid(), make_kuid(current_user_ns(), id))) || (type == GRPQUOTA && in_egroup_p(make_kgid(current_user_ns(), id)))) break; - /*FALLTHROUGH*/ + fallthrough; default: if (!capable(CAP_SYS_ADMIN)) return -EPERM; diff --git a/fs/read_write.c b/fs/read_write.c index 5db58b8c78d0dd..d3428189f36bab 100644 --- a/fs/read_write.c +++ b/fs/read_write.c @@ -538,6 +538,14 @@ ssize_t __kernel_write(struct file *file, const void *buf, size_t count, loff_t inc_syscw(current); return ret; } +/* + * This "EXPORT_SYMBOL_GPL()" is more of a "EXPORT_SYMBOL_DONTUSE()", + * but autofs is one of the few internal kernel users that actually + * wants this _and_ can be built as a module. So we need to export + * this symbol for autofs, even though it really isn't appropriate + * for any other kernel modules. + */ +EXPORT_SYMBOL_GPL(__kernel_write); ssize_t kernel_write(struct file *file, const void *buf, size_t count, loff_t *pos) diff --git a/fs/seq_file.c b/fs/seq_file.c index 4e6239f33c066a..31219c1db17de3 100644 --- a/fs/seq_file.c +++ b/fs/seq_file.c @@ -295,7 +295,7 @@ loff_t seq_lseek(struct file *file, loff_t offset, int whence) switch (whence) { case SEEK_CUR: offset += file->f_pos; - /* fall through */ + fallthrough; case SEEK_SET: if (offset < 0) break; diff --git a/fs/signalfd.c b/fs/signalfd.c index 5b78719be44559..456046e1587374 100644 --- a/fs/signalfd.c +++ b/fs/signalfd.c @@ -176,7 +176,7 @@ static ssize_t signalfd_dequeue(struct signalfd_ctx *ctx, kernel_siginfo_t *info if (!nonblock) break; ret = -EAGAIN; - /* fall through */ + fallthrough; default: spin_unlock_irq(¤t->sighand->siglock); return ret; diff --git a/fs/splice.c b/fs/splice.c index d7c8a7c4db07ff..ce75aec5227441 100644 --- a/fs/splice.c +++ b/fs/splice.c @@ -526,6 +526,22 @@ static int splice_from_pipe_feed(struct pipe_inode_info *pipe, struct splice_des return 1; } +/* We know we have a pipe buffer, but maybe it's empty? */ +static inline bool eat_empty_buffer(struct pipe_inode_info *pipe) +{ + unsigned int tail = pipe->tail; + unsigned int mask = pipe->ring_size - 1; + struct pipe_buffer *buf = &pipe->bufs[tail & mask]; + + if (unlikely(!buf->len)) { + pipe_buf_release(pipe, buf); + pipe->tail = tail+1; + return true; + } + + return false; +} + /** * splice_from_pipe_next - wait for some data to splice from * @pipe: pipe to splice from @@ -545,6 +561,7 @@ static int splice_from_pipe_next(struct pipe_inode_info *pipe, struct splice_des if (signal_pending(current)) return -ERESTARTSYS; +repeat: while (pipe_empty(pipe->head, pipe->tail)) { if (!pipe->writers) return 0; @@ -563,9 +580,12 @@ static int splice_from_pipe_next(struct pipe_inode_info *pipe, struct splice_des sd->need_wakeup = false; } - pipe_wait(pipe); + pipe_wait_readable(pipe); } + if (eat_empty_buffer(pipe)) + goto repeat; + return 1; } @@ -1077,7 +1097,7 @@ static int wait_for_space(struct pipe_inode_info *pipe, unsigned flags) return -EAGAIN; if (signal_pending(current)) return -ERESTARTSYS; - pipe_wait(pipe); + pipe_wait_writable(pipe); } } @@ -1454,7 +1474,7 @@ static int ipipe_prep(struct pipe_inode_info *pipe, unsigned int flags) ret = -EAGAIN; break; } - pipe_wait(pipe); + pipe_wait_readable(pipe); } pipe_unlock(pipe); @@ -1493,7 +1513,7 @@ static int opipe_prep(struct pipe_inode_info *pipe, unsigned int flags) ret = -ERESTARTSYS; break; } - pipe_wait(pipe); + pipe_wait_writable(pipe); } pipe_unlock(pipe); diff --git a/fs/ubifs/lprops.c b/fs/ubifs/lprops.c index 22bfda158f7fdb..6d6cd85c2b4cab 100644 --- a/fs/ubifs/lprops.c +++ b/fs/ubifs/lprops.c @@ -269,7 +269,7 @@ void ubifs_add_to_cat(struct ubifs_info *c, struct ubifs_lprops *lprops, break; /* No more room on heap so make it un-categorized */ cat = LPROPS_UNCAT; - /* Fall through */ + fallthrough; case LPROPS_UNCAT: list_add(&lprops->list, &c->uncat_list); break; @@ -313,7 +313,7 @@ static void ubifs_remove_from_cat(struct ubifs_info *c, case LPROPS_FREEABLE: c->freeable_cnt -= 1; ubifs_assert(c, c->freeable_cnt >= 0); - /* Fall through */ + fallthrough; case LPROPS_UNCAT: case LPROPS_EMPTY: case LPROPS_FRDI_IDX: diff --git a/fs/udf/symlink.c b/fs/udf/symlink.c index 6023c97c6da2f2..25ff91c7e94afa 100644 --- a/fs/udf/symlink.c +++ b/fs/udf/symlink.c @@ -52,7 +52,7 @@ static int udf_pc_to_char(struct super_block *sb, unsigned char *from, elen += pc->lengthComponentIdent; break; } - /* Fall through */ + fallthrough; case 2: if (tolen == 0) return -ENAMETOOLONG; diff --git a/fs/ufs/util.h b/fs/ufs/util.h index e1f1b2e868a7d5..4931bec1a01cad 100644 --- a/fs/ufs/util.h +++ b/fs/ufs/util.h @@ -42,7 +42,7 @@ ufs_get_fs_state(struct super_block *sb, struct ufs_super_block_first *usb1, case UFS_ST_SUNOS: if (fs32_to_cpu(sb, usb3->fs_postblformat) == UFS_42POSTBLFMT) return fs32_to_cpu(sb, usb1->fs_u0.fs_sun.fs_state); - /* Fall Through - to UFS_ST_SUN */ + fallthrough; /* to UFS_ST_SUN */ case UFS_ST_SUN: return fs32_to_cpu(sb, usb3->fs_un2.fs_sun.fs_state); case UFS_ST_SUNx86: @@ -63,7 +63,7 @@ ufs_set_fs_state(struct super_block *sb, struct ufs_super_block_first *usb1, usb1->fs_u0.fs_sun.fs_state = cpu_to_fs32(sb, value); break; } - /* Fall Through - to UFS_ST_SUN */ + fallthrough; /* to UFS_ST_SUN */ case UFS_ST_SUN: usb3->fs_un2.fs_sun.fs_state = cpu_to_fs32(sb, value); break; @@ -197,7 +197,7 @@ ufs_get_inode_uid(struct super_block *sb, struct ufs_inode *inode) case UFS_UID_EFT: if (inode->ui_u1.oldids.ui_suid == 0xFFFF) return fs32_to_cpu(sb, inode->ui_u3.ui_sun.ui_uid); - /* Fall through */ + fallthrough; default: return fs16_to_cpu(sb, inode->ui_u1.oldids.ui_suid); } @@ -215,7 +215,7 @@ ufs_set_inode_uid(struct super_block *sb, struct ufs_inode *inode, u32 value) inode->ui_u3.ui_sun.ui_uid = cpu_to_fs32(sb, value); if (value > 0xFFFF) value = 0xFFFF; - /* Fall through */ + fallthrough; default: inode->ui_u1.oldids.ui_suid = cpu_to_fs16(sb, value); break; @@ -231,7 +231,7 @@ ufs_get_inode_gid(struct super_block *sb, struct ufs_inode *inode) case UFS_UID_EFT: if (inode->ui_u1.oldids.ui_sgid == 0xFFFF) return fs32_to_cpu(sb, inode->ui_u3.ui_sun.ui_gid); - /* Fall through */ + fallthrough; default: return fs16_to_cpu(sb, inode->ui_u1.oldids.ui_sgid); } @@ -249,7 +249,7 @@ ufs_set_inode_gid(struct super_block *sb, struct ufs_inode *inode, u32 value) inode->ui_u3.ui_sun.ui_gid = cpu_to_fs32(sb, value); if (value > 0xFFFF) value = 0xFFFF; - /* Fall through */ + fallthrough; default: inode->ui_u1.oldids.ui_sgid = cpu_to_fs16(sb, value); break; diff --git a/fs/vboxsf/super.c b/fs/vboxsf/super.c index 8fe03b4a0d2b03..25aade3441922a 100644 --- a/fs/vboxsf/super.c +++ b/fs/vboxsf/super.c @@ -384,7 +384,7 @@ fail_nomem: static int vboxsf_parse_monolithic(struct fs_context *fc, void *data) { - char *options = data; + unsigned char *options = data; if (options && options[0] == VBSF_MOUNT_SIGNATURE_BYTE_0 && options[1] == VBSF_MOUNT_SIGNATURE_BYTE_1 && diff --git a/fs/vboxsf/utils.c b/fs/vboxsf/utils.c index 96bd160da48baf..01805754606711 100644 --- a/fs/vboxsf/utils.c +++ b/fs/vboxsf/utils.c @@ -226,7 +226,7 @@ int vboxsf_getattr(const struct path *path, struct kstat *kstat, break; case AT_STATX_FORCE_SYNC: sf_i->force_restat = 1; - /* fall-through */ + fallthrough; default: err = vboxsf_inode_revalidate(dentry); } diff --git a/fs/xfs/libxfs/xfs_attr_leaf.c b/fs/xfs/libxfs/xfs_attr_leaf.c index 8623c815164a65..305d4bc0733704 100644 --- a/fs/xfs/libxfs/xfs_attr_leaf.c +++ b/fs/xfs/libxfs/xfs_attr_leaf.c @@ -653,8 +653,8 @@ xfs_attr_shortform_create( ASSERT(ifp->if_flags & XFS_IFINLINE); } xfs_idata_realloc(dp, sizeof(*hdr), XFS_ATTR_FORK); - hdr = (xfs_attr_sf_hdr_t *)ifp->if_u1.if_data; - hdr->count = 0; + hdr = (struct xfs_attr_sf_hdr *)ifp->if_u1.if_data; + memset(hdr, 0, sizeof(*hdr)); hdr->totsize = cpu_to_be16(sizeof(*hdr)); xfs_trans_log_inode(args->trans, dp, XFS_ILOG_CORE | XFS_ILOG_ADATA); } @@ -1036,8 +1036,10 @@ xfs_attr_shortform_verify( * struct xfs_attr_sf_entry has a variable length. * Check the fixed-offset parts of the structure are * within the data buffer. + * xfs_attr_sf_entry is defined with a 1-byte variable + * array at the end, so we must subtract that off. */ - if (((char *)sfep + sizeof(*sfep)) >= endp) + if (((char *)sfep + sizeof(*sfep) - 1) >= endp) return __this_address; /* Don't allow names with known bad length. */ diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c index 9c40d597103570..1b0a01b06a05d1 100644 --- a/fs/xfs/libxfs/xfs_bmap.c +++ b/fs/xfs/libxfs/xfs_bmap.c @@ -6226,7 +6226,7 @@ xfs_bmap_validate_extent( isrt = XFS_IS_REALTIME_INODE(ip); endfsb = irec->br_startblock + irec->br_blockcount - 1; - if (isrt) { + if (isrt && whichfork == XFS_DATA_FORK) { if (!xfs_verify_rtbno(mp, irec->br_startblock)) return __this_address; if (!xfs_verify_rtbno(mp, endfsb)) diff --git a/fs/xfs/libxfs/xfs_ialloc.c b/fs/xfs/libxfs/xfs_ialloc.c index f742a96a2fe1ff..a6b37db55169c7 100644 --- a/fs/xfs/libxfs/xfs_ialloc.c +++ b/fs/xfs/libxfs/xfs_ialloc.c @@ -688,7 +688,7 @@ xfs_ialloc_ag_alloc( args.minalignslop = igeo->cluster_align - 1; /* Allow space for the inode btree to split. */ - args.minleft = igeo->inobt_maxlevels - 1; + args.minleft = igeo->inobt_maxlevels; if ((error = xfs_alloc_vextent(&args))) return error; @@ -736,7 +736,7 @@ xfs_ialloc_ag_alloc( /* * Allow space for the inode btree to split. */ - args.minleft = igeo->inobt_maxlevels - 1; + args.minleft = igeo->inobt_maxlevels; if ((error = xfs_alloc_vextent(&args))) return error; } diff --git a/fs/xfs/libxfs/xfs_trans_inode.c b/fs/xfs/libxfs/xfs_trans_inode.c index e15129647e00c9..b7e222befb085f 100644 --- a/fs/xfs/libxfs/xfs_trans_inode.c +++ b/fs/xfs/libxfs/xfs_trans_inode.c @@ -110,9 +110,9 @@ xfs_trans_log_inode( * to log the timestamps, or will clear already cleared fields in the * worst case. */ - if (inode->i_state & (I_DIRTY_TIME | I_DIRTY_TIME_EXPIRED)) { + if (inode->i_state & I_DIRTY_TIME) { spin_lock(&inode->i_lock); - inode->i_state &= ~(I_DIRTY_TIME | I_DIRTY_TIME_EXPIRED); + inode->i_state &= ~I_DIRTY_TIME; spin_unlock(&inode->i_lock); } diff --git a/fs/xfs/libxfs/xfs_trans_space.h b/fs/xfs/libxfs/xfs_trans_space.h index c6df01a2a1585d..7ad3659c5d2a9f 100644 --- a/fs/xfs/libxfs/xfs_trans_space.h +++ b/fs/xfs/libxfs/xfs_trans_space.h @@ -58,7 +58,7 @@ #define XFS_IALLOC_SPACE_RES(mp) \ (M_IGEO(mp)->ialloc_blks + \ ((xfs_sb_version_hasfinobt(&mp->m_sb) ? 2 : 1) * \ - (M_IGEO(mp)->inobt_maxlevels - 1))) + M_IGEO(mp)->inobt_maxlevels)) /* * Space reservation values for various transactions. diff --git a/fs/xfs/xfs_bmap_util.c b/fs/xfs/xfs_bmap_util.c index 73cafc843cd708..5123f82f247774 100644 --- a/fs/xfs/xfs_bmap_util.c +++ b/fs/xfs/xfs_bmap_util.c @@ -1165,7 +1165,7 @@ xfs_insert_file_space( goto out_trans_cancel; do { - error = xfs_trans_roll_inode(&tp, ip); + error = xfs_defer_finish(&tp); if (error) goto out_trans_cancel; diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c index c31cd3be9fb24b..a29f78a663ca54 100644 --- a/fs/xfs/xfs_file.c +++ b/fs/xfs/xfs_file.c @@ -1223,6 +1223,14 @@ __xfs_filemap_fault( return ret; } +static inline bool +xfs_is_write_fault( + struct vm_fault *vmf) +{ + return (vmf->flags & FAULT_FLAG_WRITE) && + (vmf->vma->vm_flags & VM_SHARED); +} + static vm_fault_t xfs_filemap_fault( struct vm_fault *vmf) @@ -1230,7 +1238,7 @@ xfs_filemap_fault( /* DAX can shortcut the normal fault path on write faults! */ return __xfs_filemap_fault(vmf, PE_SIZE_PTE, IS_DAX(file_inode(vmf->vma->vm_file)) && - (vmf->flags & FAULT_FLAG_WRITE)); + xfs_is_write_fault(vmf)); } static vm_fault_t @@ -1243,7 +1251,7 @@ xfs_filemap_huge_fault( /* DAX can shortcut the normal fault path on write faults! */ return __xfs_filemap_fault(vmf, pe_size, - (vmf->flags & FAULT_FLAG_WRITE)); + xfs_is_write_fault(vmf)); } static vm_fault_t diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h index 5430febd34beec..7636bc71c71f97 100644 --- a/include/asm-generic/vmlinux.lds.h +++ b/include/asm-generic/vmlinux.lds.h @@ -661,7 +661,7 @@ #define BTF \ .BTF : AT(ADDR(.BTF) - LOAD_OFFSET) { \ __start_BTF = .; \ - *(.BTF) \ + KEEP(*(.BTF)) \ __stop_BTF = .; \ } \ . = ALIGN(4); \ diff --git a/include/drm/drm_dsc.h b/include/drm/drm_dsc.h index 887954cbfc60e1..732f32740c8641 100644 --- a/include/drm/drm_dsc.h +++ b/include/drm/drm_dsc.h @@ -588,7 +588,7 @@ struct drm_dsc_picture_parameter_set { * This structure represents the DSC PPS infoframe required to send the Picture * Parameter Set metadata required before enabling VESA Display Stream * Compression. This is based on the DP Secondary Data Packet structure and - * comprises of SDP Header as defined &struct struct dp_sdp_header in drm_dp_helper.h + * comprises of SDP Header as defined &struct dp_sdp_header in drm_dp_helper.h * and PPS payload defined in &struct drm_dsc_picture_parameter_set. * * @pps_header: Header for PPS as per DP SDP header format of type diff --git a/include/drm/drm_hdcp.h b/include/drm/drm_hdcp.h index c6bab4986a658c..fe58dbb46962ac 100644 --- a/include/drm/drm_hdcp.h +++ b/include/drm/drm_hdcp.h @@ -29,6 +29,9 @@ /* Slave address for the HDCP registers in the receiver */ #define DRM_HDCP_DDC_ADDR 0x3A +/* Value to use at the end of the SHA-1 bytestream used for repeaters */ +#define DRM_HDCP_SHA1_TERMINATOR 0x80 + /* HDCP register offsets for HDMI/DVI devices */ #define DRM_HDCP_DDC_BKSV 0x00 #define DRM_HDCP_DDC_RI_PRIME 0x08 diff --git a/include/drm/drm_modeset_lock.h b/include/drm/drm_modeset_lock.h index 4fc9a43ac45a8f..aafd07388eb7bf 100644 --- a/include/drm/drm_modeset_lock.h +++ b/include/drm/drm_modeset_lock.h @@ -164,6 +164,8 @@ int drm_modeset_lock_all_ctx(struct drm_device *dev, * is 0, so no error checking is necessary */ #define DRM_MODESET_LOCK_ALL_BEGIN(dev, ctx, flags, ret) \ + if (!drm_drv_uses_atomic_modeset(dev)) \ + mutex_lock(&dev->mode_config.mutex); \ drm_modeset_acquire_init(&ctx, flags); \ modeset_lock_retry: \ ret = drm_modeset_lock_all_ctx(dev, &ctx); \ @@ -172,6 +174,7 @@ modeset_lock_retry: \ /** * DRM_MODESET_LOCK_ALL_END - Helper to release and cleanup modeset locks + * @dev: drm device * @ctx: local modeset acquire context, will be dereferenced * @ret: local ret/err/etc variable to track error status * @@ -188,7 +191,7 @@ modeset_lock_retry: \ * to that failure. In both of these cases the code between BEGIN/END will not * be run, so the failure will reflect the inability to grab the locks. */ -#define DRM_MODESET_LOCK_ALL_END(ctx, ret) \ +#define DRM_MODESET_LOCK_ALL_END(dev, ctx, ret) \ modeset_lock_fail: \ if (ret == -EDEADLK) { \ ret = drm_modeset_backoff(&ctx); \ @@ -196,6 +199,8 @@ modeset_lock_fail: \ goto modeset_lock_retry; \ } \ drm_modeset_drop_locks(&ctx); \ - drm_modeset_acquire_fini(&ctx); + drm_modeset_acquire_fini(&ctx); \ + if (!drm_drv_uses_atomic_modeset(dev)) \ + mutex_unlock(&dev->mode_config.mutex); #endif /* DRM_MODESET_LOCK_H_ */ diff --git a/include/linux/acpi.h b/include/linux/acpi.h index 1e4cdc6c7ae20a..64ae25c59d55bc 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -958,7 +958,7 @@ void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state, acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state, u32 val_a, u32 val_b); -#ifdef CONFIG_X86 +#ifndef CONFIG_IA64 void arch_reserve_mem_area(acpi_physical_address addr, size_t size); #else static inline void arch_reserve_mem_area(acpi_physical_address addr, diff --git a/include/linux/amba/clcd-regs.h b/include/linux/amba/clcd-regs.h new file mode 100644 index 00000000000000..421b0fa90d6ac7 --- /dev/null +++ b/include/linux/amba/clcd-regs.h @@ -0,0 +1,87 @@ +/* + * David A Rusling + * + * Copyright (C) 2001 ARM Limited + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file COPYING in the main directory of this archive + * for more details. + */ + +#ifndef AMBA_CLCD_REGS_H +#define AMBA_CLCD_REGS_H + +/* + * CLCD Controller Internal Register addresses + */ +#define CLCD_TIM0 0x00000000 +#define CLCD_TIM1 0x00000004 +#define CLCD_TIM2 0x00000008 +#define CLCD_TIM3 0x0000000c +#define CLCD_UBAS 0x00000010 +#define CLCD_LBAS 0x00000014 + +#define CLCD_PL110_IENB 0x00000018 +#define CLCD_PL110_CNTL 0x0000001c +#define CLCD_PL110_STAT 0x00000020 +#define CLCD_PL110_INTR 0x00000024 +#define CLCD_PL110_UCUR 0x00000028 +#define CLCD_PL110_LCUR 0x0000002C + +#define CLCD_PL111_CNTL 0x00000018 +#define CLCD_PL111_IENB 0x0000001c +#define CLCD_PL111_RIS 0x00000020 +#define CLCD_PL111_MIS 0x00000024 +#define CLCD_PL111_ICR 0x00000028 +#define CLCD_PL111_UCUR 0x0000002c +#define CLCD_PL111_LCUR 0x00000030 + +#define CLCD_PALL 0x00000200 +#define CLCD_PALETTE 0x00000200 + +#define TIM2_PCD_LO_MASK GENMASK(4, 0) +#define TIM2_PCD_LO_BITS 5 +#define TIM2_CLKSEL (1 << 5) +#define TIM2_ACB_MASK GENMASK(10, 6) +#define TIM2_IVS (1 << 11) +#define TIM2_IHS (1 << 12) +#define TIM2_IPC (1 << 13) +#define TIM2_IOE (1 << 14) +#define TIM2_BCD (1 << 26) +#define TIM2_PCD_HI_MASK GENMASK(31, 27) +#define TIM2_PCD_HI_BITS 5 +#define TIM2_PCD_HI_SHIFT 27 + +#define CNTL_LCDEN (1 << 0) +#define CNTL_LCDBPP1 (0 << 1) +#define CNTL_LCDBPP2 (1 << 1) +#define CNTL_LCDBPP4 (2 << 1) +#define CNTL_LCDBPP8 (3 << 1) +#define CNTL_LCDBPP16 (4 << 1) +#define CNTL_LCDBPP16_565 (6 << 1) +#define CNTL_LCDBPP16_444 (7 << 1) +#define CNTL_LCDBPP24 (5 << 1) +#define CNTL_LCDBW (1 << 4) +#define CNTL_LCDTFT (1 << 5) +#define CNTL_LCDMONO8 (1 << 6) +#define CNTL_LCDDUAL (1 << 7) +#define CNTL_BGR (1 << 8) +#define CNTL_BEBO (1 << 9) +#define CNTL_BEPO (1 << 10) +#define CNTL_LCDPWR (1 << 11) +#define CNTL_LCDVCOMP(x) ((x) << 12) +#define CNTL_LDMAFIFOTIME (1 << 15) +#define CNTL_WATERMARK (1 << 16) + +/* ST Microelectronics variant bits */ +#define CNTL_ST_1XBPP_444 0x0 +#define CNTL_ST_1XBPP_5551 (1 << 17) +#define CNTL_ST_1XBPP_565 (1 << 18) +#define CNTL_ST_CDWID_12 0x0 +#define CNTL_ST_CDWID_16 (1 << 19) +#define CNTL_ST_CDWID_18 (1 << 20) +#define CNTL_ST_CDWID_24 ((1 << 19)|(1 << 20)) +#define CNTL_ST_CEAEN (1 << 21) +#define CNTL_ST_LCDBPP24_PACKED (6 << 1) + +#endif /* AMBA_CLCD_REGS_H */ diff --git a/include/linux/amba/clcd.h b/include/linux/amba/clcd.h new file mode 100644 index 00000000000000..b6e0cbeaf533e5 --- /dev/null +++ b/include/linux/amba/clcd.h @@ -0,0 +1,290 @@ +/* + * linux/include/asm-arm/hardware/amba_clcd.h -- Integrator LCD panel. + * + * David A Rusling + * + * Copyright (C) 2001 ARM Limited + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file COPYING in the main directory of this archive + * for more details. + */ +#include <linux/fb.h> +#include <linux/amba/clcd-regs.h> + +enum { + /* individual formats */ + CLCD_CAP_RGB444 = (1 << 0), + CLCD_CAP_RGB5551 = (1 << 1), + CLCD_CAP_RGB565 = (1 << 2), + CLCD_CAP_RGB888 = (1 << 3), + CLCD_CAP_BGR444 = (1 << 4), + CLCD_CAP_BGR5551 = (1 << 5), + CLCD_CAP_BGR565 = (1 << 6), + CLCD_CAP_BGR888 = (1 << 7), + + /* connection layouts */ + CLCD_CAP_444 = CLCD_CAP_RGB444 | CLCD_CAP_BGR444, + CLCD_CAP_5551 = CLCD_CAP_RGB5551 | CLCD_CAP_BGR5551, + CLCD_CAP_565 = CLCD_CAP_RGB565 | CLCD_CAP_BGR565, + CLCD_CAP_888 = CLCD_CAP_RGB888 | CLCD_CAP_BGR888, + + /* red/blue ordering */ + CLCD_CAP_RGB = CLCD_CAP_RGB444 | CLCD_CAP_RGB5551 | + CLCD_CAP_RGB565 | CLCD_CAP_RGB888, + CLCD_CAP_BGR = CLCD_CAP_BGR444 | CLCD_CAP_BGR5551 | + CLCD_CAP_BGR565 | CLCD_CAP_BGR888, + + CLCD_CAP_ALL = CLCD_CAP_BGR | CLCD_CAP_RGB, +}; + +struct backlight_device; + +struct clcd_panel { + struct fb_videomode mode; + signed short width; /* width in mm */ + signed short height; /* height in mm */ + u32 tim2; + u32 tim3; + u32 cntl; + u32 caps; + unsigned int bpp:8, + fixedtimings:1, + grayscale:1; + unsigned int connector; + struct backlight_device *backlight; + /* + * If the B/R lines are switched between the CLCD + * and the panel we need to know this and not try to + * compensate with the BGR bit in the control register. + */ + bool bgr_connection; +}; + +struct clcd_regs { + u32 tim0; + u32 tim1; + u32 tim2; + u32 tim3; + u32 cntl; + unsigned long pixclock; +}; + +struct clcd_fb; + +/* + * the board-type specific routines + */ +struct clcd_board { + const char *name; + + /* + * Optional. Hardware capability flags. + */ + u32 caps; + + /* + * Optional. Check whether the var structure is acceptable + * for this display. + */ + int (*check)(struct clcd_fb *fb, struct fb_var_screeninfo *var); + + /* + * Compulsory. Decode fb->fb.var into regs->*. In the case of + * fixed timing, set regs->* to the register values required. + */ + void (*decode)(struct clcd_fb *fb, struct clcd_regs *regs); + + /* + * Optional. Disable any extra display hardware. + */ + void (*disable)(struct clcd_fb *); + + /* + * Optional. Enable any extra display hardware. + */ + void (*enable)(struct clcd_fb *); + + /* + * Setup platform specific parts of CLCD driver + */ + int (*setup)(struct clcd_fb *); + + /* + * mmap the framebuffer memory + */ + int (*mmap)(struct clcd_fb *, struct vm_area_struct *); + + /* + * Remove platform specific parts of CLCD driver + */ + void (*remove)(struct clcd_fb *); +}; + +struct amba_device; +struct clk; + +/* this data structure describes each frame buffer device we find */ +struct clcd_fb { + struct fb_info fb; + struct amba_device *dev; + struct clk *clk; + struct clcd_panel *panel; + struct clcd_board *board; + void *board_data; + void __iomem *regs; + u16 off_ienb; + u16 off_cntl; + u32 clcd_cntl; + u32 cmap[16]; + bool clk_enabled; +}; + +static inline void clcdfb_decode(struct clcd_fb *fb, struct clcd_regs *regs) +{ + struct fb_var_screeninfo *var = &fb->fb.var; + u32 val, cpl; + + /* + * Program the CLCD controller registers and start the CLCD + */ + val = ((var->xres / 16) - 1) << 2; + val |= (var->hsync_len - 1) << 8; + val |= (var->right_margin - 1) << 16; + val |= (var->left_margin - 1) << 24; + regs->tim0 = val; + + val = var->yres; + if (fb->panel->cntl & CNTL_LCDDUAL) + val /= 2; + val -= 1; + val |= (var->vsync_len - 1) << 10; + val |= var->lower_margin << 16; + val |= var->upper_margin << 24; + regs->tim1 = val; + + val = fb->panel->tim2; + val |= var->sync & FB_SYNC_HOR_HIGH_ACT ? 0 : TIM2_IHS; + val |= var->sync & FB_SYNC_VERT_HIGH_ACT ? 0 : TIM2_IVS; + + cpl = var->xres_virtual; + if (fb->panel->cntl & CNTL_LCDTFT) /* TFT */ + /* / 1 */; + else if (!var->grayscale) /* STN color */ + cpl = cpl * 8 / 3; + else if (fb->panel->cntl & CNTL_LCDMONO8) /* STN monochrome, 8bit */ + cpl /= 8; + else /* STN monochrome, 4bit */ + cpl /= 4; + + regs->tim2 = val | ((cpl - 1) << 16); + + regs->tim3 = fb->panel->tim3; + + val = fb->panel->cntl; + if (var->grayscale) + val |= CNTL_LCDBW; + + if (fb->panel->caps && fb->board->caps && var->bits_per_pixel >= 16) { + /* + * if board and panel supply capabilities, we can support + * changing BGR/RGB depending on supplied parameters. Here + * we switch to what the framebuffer is providing if need + * be, so if the framebuffer is BGR but the display connection + * is RGB (first case) we switch it around. Vice versa mutatis + * mutandis if the framebuffer is RGB but the display connection + * is BGR, we flip it around. + */ + if (var->red.offset == 0) + val &= ~CNTL_BGR; + else + val |= CNTL_BGR; + if (fb->panel->bgr_connection) + val ^= CNTL_BGR; + } + + switch (var->bits_per_pixel) { + case 1: + val |= CNTL_LCDBPP1; + break; + case 2: + val |= CNTL_LCDBPP2; + break; + case 4: + val |= CNTL_LCDBPP4; + break; + case 8: + val |= CNTL_LCDBPP8; + break; + case 16: + /* + * PL110 cannot choose between 5551 and 565 modes in its + * control register. It is possible to use 565 with + * custom external wiring. + */ + if (amba_part(fb->dev) == 0x110 || + var->green.length == 5) + val |= CNTL_LCDBPP16; + else if (var->green.length == 6) + val |= CNTL_LCDBPP16_565; + else + val |= CNTL_LCDBPP16_444; + break; + case 32: + val |= CNTL_LCDBPP24; + break; + } + + regs->cntl = val; + regs->pixclock = var->pixclock; +} + +static inline int clcdfb_check(struct clcd_fb *fb, struct fb_var_screeninfo *var) +{ + var->xres_virtual = var->xres = (var->xres + 15) & ~15; + var->yres_virtual = var->yres = (var->yres + 1) & ~1; + +#define CHECK(e,l,h) (var->e < l || var->e > h) + if (CHECK(right_margin, (5+1), 256) || /* back porch */ + CHECK(left_margin, (5+1), 256) || /* front porch */ + CHECK(hsync_len, (5+1), 256) || + var->xres > 4096 || + var->lower_margin > 255 || /* back porch */ + var->upper_margin > 255 || /* front porch */ + var->vsync_len > 32 || + var->yres > 1024) + return -EINVAL; +#undef CHECK + + /* single panel mode: PCD = max(PCD, 1) */ + /* dual panel mode: PCD = max(PCD, 5) */ + + /* + * You can't change the grayscale setting, and + * we can only do non-interlaced video. + */ + if (var->grayscale != fb->fb.var.grayscale || + (var->vmode & FB_VMODE_MASK) != FB_VMODE_NONINTERLACED) + return -EINVAL; + +#define CHECK(e) (var->e != fb->fb.var.e) + if (fb->panel->fixedtimings && + (CHECK(xres) || + CHECK(yres) || + CHECK(bits_per_pixel) || + CHECK(pixclock) || + CHECK(left_margin) || + CHECK(right_margin) || + CHECK(upper_margin) || + CHECK(lower_margin) || + CHECK(hsync_len) || + CHECK(vsync_len) || + CHECK(sync))) + return -EINVAL; +#undef CHECK + + var->nonstd = 0; + var->accel_flags = 0; + + return 0; +} diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h index 4ecf4fed171f0d..b3fc5d3dd8ea16 100644 --- a/include/linux/blk_types.h +++ b/include/linux/blk_types.h @@ -497,13 +497,12 @@ static inline int op_stat_group(unsigned int op) typedef unsigned int blk_qc_t; #define BLK_QC_T_NONE -1U -#define BLK_QC_T_EAGAIN -2U #define BLK_QC_T_SHIFT 16 #define BLK_QC_T_INTERNAL (1U << 31) static inline bool blk_qc_t_valid(blk_qc_t cookie) { - return cookie != BLK_QC_T_NONE && cookie != BLK_QC_T_EAGAIN; + return cookie != BLK_QC_T_NONE; } static inline unsigned int blk_qc_t_to_queue_num(blk_qc_t cookie) diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index bb5636cc17b91a..868e11face00ed 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -352,6 +352,8 @@ struct queue_limits { typedef int (*report_zones_cb)(struct blk_zone *zone, unsigned int idx, void *data); +void blk_queue_set_zoned(struct gendisk *disk, enum blk_zoned_model model); + #ifdef CONFIG_BLK_DEV_ZONED #define BLK_ALL_ZONES ((unsigned int)-1) diff --git a/include/linux/bvec.h b/include/linux/bvec.h index ac0c7299d5b8a2..dd74503f7e5ea9 100644 --- a/include/linux/bvec.h +++ b/include/linux/bvec.h @@ -117,11 +117,18 @@ static inline bool bvec_iter_advance(const struct bio_vec *bv, return true; } +static inline void bvec_iter_skip_zero_bvec(struct bvec_iter *iter) +{ + iter->bi_bvec_done = 0; + iter->bi_idx++; +} + #define for_each_bvec(bvl, bio_vec, iter, start) \ for (iter = (start); \ (iter).bi_size && \ ((bvl = bvec_iter_bvec((bio_vec), (iter))), 1); \ - bvec_iter_advance((bio_vec), &(iter), (bvl).bv_len)) + (bvl).bv_len ? (void)bvec_iter_advance((bio_vec), &(iter), \ + (bvl).bv_len) : bvec_iter_skip_zero_bvec(&(iter))) /* for iterating one bio from start to end */ #define BVEC_ITER_ALL_INIT (struct bvec_iter) \ diff --git a/include/linux/ceph/ceph_features.h b/include/linux/ceph/ceph_features.h index fcd84e8d88f44b..999636d53cf270 100644 --- a/include/linux/ceph/ceph_features.h +++ b/include/linux/ceph/ceph_features.h @@ -11,14 +11,14 @@ #define CEPH_FEATURE_INCARNATION_2 (1ull<<57) // CEPH_FEATURE_SERVER_JEWEL #define DEFINE_CEPH_FEATURE(bit, incarnation, name) \ - static const uint64_t CEPH_FEATURE_##name = (1ULL<<bit); \ - static const uint64_t CEPH_FEATUREMASK_##name = \ + static const uint64_t __maybe_unused CEPH_FEATURE_##name = (1ULL<<bit); \ + static const uint64_t __maybe_unused CEPH_FEATUREMASK_##name = \ (1ULL<<bit | CEPH_FEATURE_INCARNATION_##incarnation); /* this bit is ignored but still advertised by release *when* */ #define DEFINE_CEPH_FEATURE_DEPRECATED(bit, incarnation, name, when) \ - static const uint64_t DEPRECATED_CEPH_FEATURE_##name = (1ULL<<bit); \ - static const uint64_t DEPRECATED_CEPH_FEATUREMASK_##name = \ + static const uint64_t __maybe_unused DEPRECATED_CEPH_FEATURE_##name = (1ULL<<bit); \ + static const uint64_t __maybe_unused DEPRECATED_CEPH_FEATUREMASK_##name = \ (1ULL<<bit | CEPH_FEATURE_INCARNATION_##incarnation); /* diff --git a/include/linux/compat.h b/include/linux/compat.h index d38c4d7e83bd32..b354ce58966e2d 100644 --- a/include/linux/compat.h +++ b/include/linux/compat.h @@ -429,11 +429,11 @@ put_compat_sigset(compat_sigset_t __user *compat, const sigset_t *set, compat_sigset_t v; switch (_NSIG_WORDS) { case 4: v.sig[7] = (set->sig[3] >> 32); v.sig[6] = set->sig[3]; - /* fall through */ + fallthrough; case 3: v.sig[5] = (set->sig[2] >> 32); v.sig[4] = set->sig[2]; - /* fall through */ + fallthrough; case 2: v.sig[3] = (set->sig[1] >> 32); v.sig[2] = set->sig[1]; - /* fall through */ + fallthrough; case 1: v.sig[1] = (set->sig[0] >> 32); v.sig[0] = set->sig[0]; } return copy_to_user(compat, &v, size) ? -EFAULT : 0; diff --git a/include/linux/compiler_attributes.h b/include/linux/compiler_attributes.h index 6122efdad6adf3..ea7b756b1c8f18 100644 --- a/include/linux/compiler_attributes.h +++ b/include/linux/compiler_attributes.h @@ -22,14 +22,8 @@ /* * __has_attribute is supported on gcc >= 5, clang >= 2.9 and icc >= 17. - * In the meantime, to support 4.6 <= gcc < 5, we implement __has_attribute + * In the meantime, to support gcc < 5, we implement __has_attribute * by hand. - * - * sparse does not support __has_attribute (yet) and defines __GNUC_MINOR__ - * depending on the compiler used to build it; however, these attributes have - * no semantic effects for sparse, so it does not matter. Also note that, - * in order to avoid sparse's warnings, even the unsupported ones must be - * defined to 0. */ #ifndef __has_attribute # define __has_attribute(x) __GCC4_has_attribute_##x diff --git a/include/linux/compiler_types.h b/include/linux/compiler_types.h index 4b33cb385f9653..6e390d58a9f8c5 100644 --- a/include/linux/compiler_types.h +++ b/include/linux/compiler_types.h @@ -11,8 +11,8 @@ # define __iomem __attribute__((noderef, address_space(__iomem))) # define __percpu __attribute__((noderef, address_space(__percpu))) # define __rcu __attribute__((noderef, address_space(__rcu))) -extern void __chk_user_ptr(const volatile void __user *); -extern void __chk_io_ptr(const volatile void __iomem *); +static inline void __chk_user_ptr(const volatile void __user *ptr) { } +static inline void __chk_io_ptr(const volatile void __iomem *ptr) { } /* context/locking */ # define __must_hold(x) __attribute__((context(x,1,1))) # define __acquires(x) __attribute__((context(x,0,1))) diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h index 8f141d4c859ce2..a911e5d0684549 100644 --- a/include/linux/cpufreq.h +++ b/include/linux/cpufreq.h @@ -956,8 +956,8 @@ static inline int cpufreq_frequency_table_target(struct cpufreq_policy *policy, case CPUFREQ_RELATION_C: return cpufreq_table_find_index_c(policy, target_freq); default: - pr_err("%s: Invalid relation: %d\n", __func__, relation); - return -EINVAL; + WARN_ON_ONCE(1); + return 0; } } diff --git a/include/linux/cpuhotplug.h b/include/linux/cpuhotplug.h index 3215023d485230..bf9181cef444d6 100644 --- a/include/linux/cpuhotplug.h +++ b/include/linux/cpuhotplug.h @@ -142,7 +142,6 @@ enum cpuhp_state { /* Must be the last timer callback */ CPUHP_AP_DUMMY_TIMER_STARTING, CPUHP_AP_ARM_XEN_STARTING, - CPUHP_AP_ARM_KVMPV_STARTING, CPUHP_AP_ARM_CORESIGHT_STARTING, CPUHP_AP_ARM_CORESIGHT_CTI_STARTING, CPUHP_AP_ARM64_ISNDEP_STARTING, diff --git a/include/linux/cpuidle.h b/include/linux/cpuidle.h index 75895e6363b89a..6175c77bf25e7a 100644 --- a/include/linux/cpuidle.h +++ b/include/linux/cpuidle.h @@ -82,6 +82,7 @@ struct cpuidle_state { #define CPUIDLE_FLAG_UNUSABLE BIT(3) /* avoid using this state */ #define CPUIDLE_FLAG_OFF BIT(4) /* disable this state by default */ #define CPUIDLE_FLAG_TLB_FLUSHED BIT(5) /* idle-state flushes TLBs */ +#define CPUIDLE_FLAG_RCU_IDLE BIT(6) /* idle-state takes care of RCU */ struct cpuidle_device_kobj; struct cpuidle_state_kobj; diff --git a/include/linux/dax.h b/include/linux/dax.h index 6904d4e0b2e0ad..43b39ab9de1a99 100644 --- a/include/linux/dax.h +++ b/include/linux/dax.h @@ -58,6 +58,8 @@ static inline void set_dax_synchronous(struct dax_device *dax_dev) { __set_dax_synchronous(dax_dev); } +bool dax_supported(struct dax_device *dax_dev, struct block_device *bdev, + int blocksize, sector_t start, sector_t len); /* * Check if given mapping is supported by the file / underlying device. */ @@ -104,6 +106,12 @@ static inline bool dax_synchronous(struct dax_device *dax_dev) static inline void set_dax_synchronous(struct dax_device *dax_dev) { } +static inline bool dax_supported(struct dax_device *dax_dev, + struct block_device *bdev, int blocksize, sector_t start, + sector_t len) +{ + return false; +} static inline bool daxdev_mapping_supported(struct vm_area_struct *vma, struct dax_device *dax_dev) { @@ -189,14 +197,23 @@ static inline void dax_unlock_page(struct page *page, dax_entry_t cookie) } #endif +#if IS_ENABLED(CONFIG_DAX) int dax_read_lock(void); void dax_read_unlock(int id); +#else +static inline int dax_read_lock(void) +{ + return 0; +} + +static inline void dax_read_unlock(int id) +{ +} +#endif /* CONFIG_DAX */ bool dax_alive(struct dax_device *dax_dev); void *dax_get_private(struct dax_device *dax_dev); long dax_direct_access(struct dax_device *dax_dev, pgoff_t pgoff, long nr_pages, void **kaddr, pfn_t *pfn); -bool dax_supported(struct dax_device *dax_dev, struct block_device *bdev, - int blocksize, sector_t start, sector_t len); size_t dax_copy_from_iter(struct dax_device *dax_dev, pgoff_t pgoff, void *addr, size_t bytes, struct iov_iter *i); size_t dax_copy_to_iter(struct dax_device *dax_dev, pgoff_t pgoff, void *addr, diff --git a/include/linux/device.h b/include/linux/device.h index ca18da4768e3e8..9e6ea8931a52eb 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -454,6 +454,7 @@ struct dev_links_info { * @pm_domain: Provide callbacks that are executed during system suspend, * hibernation, system resume and during runtime PM transitions * along with subsystem-level and driver-level callbacks. + * @em_pd: device's energy model performance domain * @pins: For device pin management. * See Documentation/driver-api/pinctl.rst for details. * @msi_list: Hosts MSI descriptors diff --git a/include/linux/dynamic_debug.h b/include/linux/dynamic_debug.h index aa9ff9e1c0b328..8aa0c7c2608cbb 100644 --- a/include/linux/dynamic_debug.h +++ b/include/linux/dynamic_debug.h @@ -49,6 +49,10 @@ struct _ddebug { #if defined(CONFIG_DYNAMIC_DEBUG_CORE) + +/* exported for module authors to exercise >control */ +int dynamic_debug_exec_queries(const char *query, const char *modname); + int ddebug_add_module(struct _ddebug *tab, unsigned int n, const char *modname); extern int ddebug_remove_module(const char *mod_name); @@ -105,7 +109,7 @@ void __dynamic_ibdev_dbg(struct _ddebug *descriptor, static_branch_unlikely(&descriptor.key.dd_key_false) #endif -#else /* !HAVE_JUMP_LABEL */ +#else /* !CONFIG_JUMP_LABEL */ #define _DPRINTK_KEY_INIT @@ -117,7 +121,7 @@ void __dynamic_ibdev_dbg(struct _ddebug *descriptor, unlikely(descriptor.flags & _DPRINTK_FLAGS_PRINT) #endif -#endif +#endif /* CONFIG_JUMP_LABEL */ #define __dynamic_func_call(id, fmt, func, ...) do { \ DEFINE_DYNAMIC_DEBUG_METADATA(id, fmt); \ @@ -172,10 +176,11 @@ void __dynamic_ibdev_dbg(struct _ddebug *descriptor, KERN_DEBUG, prefix_str, prefix_type, \ rowsize, groupsize, buf, len, ascii) -#else +#else /* !CONFIG_DYNAMIC_DEBUG_CORE */ #include <linux/string.h> #include <linux/errno.h> +#include <linux/printk.h> static inline int ddebug_add_module(struct _ddebug *tab, unsigned int n, const char *modname) @@ -210,6 +215,13 @@ static inline int ddebug_dyndbg_module_param_cb(char *param, char *val, print_hex_dump(KERN_DEBUG, prefix_str, prefix_type, \ rowsize, groupsize, buf, len, ascii); \ } while (0) -#endif + +static inline int dynamic_debug_exec_queries(const char *query, const char *modname) +{ + pr_warn("kernel not built with CONFIG_DYNAMIC_DEBUG_CORE\n"); + return 0; +} + +#endif /* !CONFIG_DYNAMIC_DEBUG_CORE */ #endif diff --git a/include/linux/efi_embedded_fw.h b/include/linux/efi_embedded_fw.h index 57eac5241303af..a97a12bb2c9ef1 100644 --- a/include/linux/efi_embedded_fw.h +++ b/include/linux/efi_embedded_fw.h @@ -8,8 +8,8 @@ #define EFI_EMBEDDED_FW_PREFIX_LEN 8 /* - * This struct and efi_embedded_fw_list are private to the efi-embedded fw - * implementation they are in this header for use by lib/test_firmware.c only! + * This struct is private to the efi-embedded fw implementation. + * They are in this header for use by lib/test_firmware.c only! */ struct efi_embedded_fw { struct list_head list; @@ -18,8 +18,6 @@ struct efi_embedded_fw { size_t length; }; -extern struct list_head efi_embedded_fw_list; - /** * struct efi_embedded_fw_desc - This struct is used by the EFI embedded-fw * code to search for embedded firmwares. diff --git a/include/linux/entry-common.h b/include/linux/entry-common.h index efebbffcd5cc97..159c7476b11b48 100644 --- a/include/linux/entry-common.h +++ b/include/linux/entry-common.h @@ -110,15 +110,30 @@ static inline __must_check int arch_syscall_enter_tracehook(struct pt_regs *regs #endif /** - * syscall_enter_from_user_mode - Check and handle work before invoking - * a syscall + * syscall_enter_from_user_mode_prepare - Establish state and enable interrupts * @regs: Pointer to currents pt_regs - * @syscall: The syscall number * * Invoked from architecture specific syscall entry code with interrupts * disabled. The calling code has to be non-instrumentable. When the - * function returns all state is correct and the subsequent functions can be - * instrumented. + * function returns all state is correct, interrupts are enabled and the + * subsequent functions can be instrumented. + * + * This handles lockdep, RCU (context tracking) and tracing state. + * + * This is invoked when there is extra architecture specific functionality + * to be done between establishing state and handling user mode entry work. + */ +void syscall_enter_from_user_mode_prepare(struct pt_regs *regs); + +/** + * syscall_enter_from_user_mode_work - Check and handle work before invoking + * a syscall + * @regs: Pointer to currents pt_regs + * @syscall: The syscall number + * + * Invoked from architecture specific syscall entry code with interrupts + * enabled after invoking syscall_enter_from_user_mode_prepare() and extra + * architecture specific work. * * Returns: The original or a modified syscall number * @@ -127,12 +142,30 @@ static inline __must_check int arch_syscall_enter_tracehook(struct pt_regs *regs * syscall_set_return_value() first. If neither of those are called and -1 * is returned, then the syscall will fail with ENOSYS. * - * The following functionality is handled here: + * It handles the following work items: * - * 1) Establish state (lockdep, RCU (context tracking), tracing) - * 2) TIF flag dependent invocations of arch_syscall_enter_tracehook(), + * 1) TIF flag dependent invocations of arch_syscall_enter_tracehook(), * __secure_computing(), trace_sys_enter() - * 3) Invocation of audit_syscall_entry() + * 2) Invocation of audit_syscall_entry() + */ +long syscall_enter_from_user_mode_work(struct pt_regs *regs, long syscall); + +/** + * syscall_enter_from_user_mode - Establish state and check and handle work + * before invoking a syscall + * @regs: Pointer to currents pt_regs + * @syscall: The syscall number + * + * Invoked from architecture specific syscall entry code with interrupts + * disabled. The calling code has to be non-instrumentable. When the + * function returns all state is correct, interrupts are enabled and the + * subsequent functions can be instrumented. + * + * This is combination of syscall_enter_from_user_mode_prepare() and + * syscall_enter_from_user_mode_work(). + * + * Returns: The original or a modified syscall number. See + * syscall_enter_from_user_mode_work() for further explanation. */ long syscall_enter_from_user_mode(struct pt_regs *regs, long syscall); diff --git a/include/linux/filter.h b/include/linux/filter.h index 0a355b005bf458..ebfb7cfb65f10b 100644 --- a/include/linux/filter.h +++ b/include/linux/filter.h @@ -1200,7 +1200,7 @@ static inline u16 bpf_anc_helper(const struct sock_filter *ftest) BPF_ANCILLARY(RANDOM); BPF_ANCILLARY(VLAN_TPID); } - /* Fallthrough. */ + fallthrough; default: return ftest->code; } diff --git a/include/linux/font.h b/include/linux/font.h index 51b91c8b69d582..59faa80f586df9 100644 --- a/include/linux/font.h +++ b/include/linux/font.h @@ -59,4 +59,17 @@ extern const struct font_desc *get_default_font(int xres, int yres, /* Max. length for the name of a predefined font */ #define MAX_FONT_NAME 32 +/* Extra word getters */ +#define REFCOUNT(fd) (((int *)(fd))[-1]) +#define FNTSIZE(fd) (((int *)(fd))[-2]) +#define FNTCHARCNT(fd) (((int *)(fd))[-3]) +#define FNTSUM(fd) (((int *)(fd))[-4]) + +#define FONT_EXTRA_WORDS 4 + +struct font_data { + unsigned int extra[FONT_EXTRA_WORDS]; + const unsigned char data[]; +} __packed; + #endif /* _VIDEO_FONT_H */ diff --git a/include/linux/fs.h b/include/linux/fs.h index e019ea2f1347e6..7519ae003a082c 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -2132,6 +2132,10 @@ static inline void kiocb_clone(struct kiocb *kiocb, struct kiocb *kiocb_src, * * I_DONTCACHE Evict inode as soon as it is not used anymore. * + * I_SYNC_QUEUED Inode is queued in b_io or b_more_io writeback lists. + * Used to detect that mark_inode_dirty() should not move + * inode between dirty lists. + * * Q: What is the difference between I_WILL_FREE and I_FREEING? */ #define I_DIRTY_SYNC (1 << 0) @@ -2149,12 +2153,11 @@ static inline void kiocb_clone(struct kiocb *kiocb, struct kiocb *kiocb_src, #define I_DIO_WAKEUP (1 << __I_DIO_WAKEUP) #define I_LINKABLE (1 << 10) #define I_DIRTY_TIME (1 << 11) -#define __I_DIRTY_TIME_EXPIRED 12 -#define I_DIRTY_TIME_EXPIRED (1 << __I_DIRTY_TIME_EXPIRED) #define I_WB_SWITCH (1 << 13) #define I_OVL_INUSE (1 << 14) #define I_CREATING (1 << 15) #define I_DONTCACHE (1 << 16) +#define I_SYNC_QUEUED (1 << 17) #define I_DIRTY_INODE (I_DIRTY_SYNC | I_DIRTY_DATASYNC) #define I_DIRTY (I_DIRTY_INODE | I_DIRTY_PAGES) diff --git a/include/linux/fs_parser.h b/include/linux/fs_parser.h index 2eab6d5f6736a5..aab0ffc6bac67a 100644 --- a/include/linux/fs_parser.h +++ b/include/linux/fs_parser.h @@ -120,7 +120,7 @@ static inline bool fs_validate_description(const char *name, #define fsparam_u32oct(NAME, OPT) \ __fsparam(fs_param_is_u32, NAME, OPT, 0, (void *)8) #define fsparam_u32hex(NAME, OPT) \ - __fsparam(fs_param_is_u32_hex, NAME, OPT, 0, (void *16)) + __fsparam(fs_param_is_u32_hex, NAME, OPT, 0, (void *)16) #define fsparam_s32(NAME, OPT) __fsparam(fs_param_is_s32, NAME, OPT, 0, NULL) #define fsparam_u64(NAME, OPT) __fsparam(fs_param_is_u64, NAME, OPT, 0, NULL) #define fsparam_enum(NAME, OPT, array) __fsparam(fs_param_is_enum, NAME, OPT, 0, array) diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h index ce2c06f72e863f..e5c2d5cc6e6ad7 100644 --- a/include/linux/ftrace.h +++ b/include/linux/ftrace.h @@ -85,8 +85,7 @@ static inline int ftrace_mod_get_kallsym(unsigned int symnum, unsigned long *val extern int ftrace_enabled; extern int ftrace_enable_sysctl(struct ctl_table *table, int write, - void __user *buffer, size_t *lenp, - loff_t *ppos); + void *buffer, size_t *lenp, loff_t *ppos); struct ftrace_ops; diff --git a/include/linux/hid.h b/include/linux/hid.h index 875f71132b1425..c7044a14200ea2 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -959,34 +959,49 @@ static inline void hid_device_io_stop(struct hid_device *hid) { * @max: maximal valid usage->code to consider later (out parameter) * @type: input event type (EV_KEY, EV_REL, ...) * @c: code which corresponds to this usage and type + * + * The value pointed to by @bit will be set to NULL if either @type is + * an unhandled event type, or if @c is out of range for @type. This + * can be used as an error condition. */ static inline void hid_map_usage(struct hid_input *hidinput, struct hid_usage *usage, unsigned long **bit, int *max, - __u8 type, __u16 c) + __u8 type, unsigned int c) { struct input_dev *input = hidinput->input; - - usage->type = type; - usage->code = c; + unsigned long *bmap = NULL; + unsigned int limit = 0; switch (type) { case EV_ABS: - *bit = input->absbit; - *max = ABS_MAX; + bmap = input->absbit; + limit = ABS_MAX; break; case EV_REL: - *bit = input->relbit; - *max = REL_MAX; + bmap = input->relbit; + limit = REL_MAX; break; case EV_KEY: - *bit = input->keybit; - *max = KEY_MAX; + bmap = input->keybit; + limit = KEY_MAX; break; case EV_LED: - *bit = input->ledbit; - *max = LED_MAX; + bmap = input->ledbit; + limit = LED_MAX; break; } + + if (unlikely(c > limit || !bmap)) { + pr_warn_ratelimited("%s: Invalid code %d type %d\n", + input->name, c, type); + *bit = NULL; + return; + } + + usage->type = type; + usage->code = c; + *max = limit; + *bit = bmap; } /** @@ -1000,7 +1015,8 @@ static inline void hid_map_usage_clear(struct hid_input *hidinput, __u8 type, __u16 c) { hid_map_usage(hidinput, usage, bit, max, type, c); - clear_bit(c, *bit); + if (*bit) + clear_bit(usage->code, *bit); } /** diff --git a/include/linux/i2c-algo-pca.h b/include/linux/i2c-algo-pca.h index d03071732db4ad..7c522fdd9ea735 100644 --- a/include/linux/i2c-algo-pca.h +++ b/include/linux/i2c-algo-pca.h @@ -53,6 +53,20 @@ #define I2C_PCA_CON_SI 0x08 /* Serial Interrupt */ #define I2C_PCA_CON_CR 0x07 /* Clock Rate (MASK) */ +/** + * struct pca_i2c_bus_settings - The configured PCA i2c bus settings + * @mode: Configured i2c bus mode + * @tlow: Configured SCL LOW period + * @thi: Configured SCL HIGH period + * @clock_freq: The configured clock frequency + */ +struct pca_i2c_bus_settings { + int mode; + int tlow; + int thi; + int clock_freq; +}; + struct i2c_algo_pca_data { void *data; /* private low level data */ void (*write_byte) (void *data, int reg, int val); @@ -64,6 +78,7 @@ struct i2c_algo_pca_data { * For PCA9665, use the frequency you want here. */ unsigned int i2c_clock; unsigned int chip; + struct pca_i2c_bus_settings bus_settings; }; int i2c_pca_add_bus(struct i2c_adapter *); diff --git a/include/linux/jhash.h b/include/linux/jhash.h index 19ddd43aee6895..cfb62e9f37be09 100644 --- a/include/linux/jhash.h +++ b/include/linux/jhash.h @@ -86,17 +86,17 @@ static inline u32 jhash(const void *key, u32 length, u32 initval) } /* Last block: affect all 32 bits of (c) */ switch (length) { - case 12: c += (u32)k[11]<<24; /* fall through */ - case 11: c += (u32)k[10]<<16; /* fall through */ - case 10: c += (u32)k[9]<<8; /* fall through */ - case 9: c += k[8]; /* fall through */ - case 8: b += (u32)k[7]<<24; /* fall through */ - case 7: b += (u32)k[6]<<16; /* fall through */ - case 6: b += (u32)k[5]<<8; /* fall through */ - case 5: b += k[4]; /* fall through */ - case 4: a += (u32)k[3]<<24; /* fall through */ - case 3: a += (u32)k[2]<<16; /* fall through */ - case 2: a += (u32)k[1]<<8; /* fall through */ + case 12: c += (u32)k[11]<<24; fallthrough; + case 11: c += (u32)k[10]<<16; fallthrough; + case 10: c += (u32)k[9]<<8; fallthrough; + case 9: c += k[8]; fallthrough; + case 8: b += (u32)k[7]<<24; fallthrough; + case 7: b += (u32)k[6]<<16; fallthrough; + case 6: b += (u32)k[5]<<8; fallthrough; + case 5: b += k[4]; fallthrough; + case 4: a += (u32)k[3]<<24; fallthrough; + case 3: a += (u32)k[2]<<16; fallthrough; + case 2: a += (u32)k[1]<<8; fallthrough; case 1: a += k[0]; __jhash_final(a, b, c); case 0: /* Nothing left to add */ @@ -132,8 +132,8 @@ static inline u32 jhash2(const u32 *k, u32 length, u32 initval) /* Handle the last 3 u32's */ switch (length) { - case 3: c += k[2]; /* fall through */ - case 2: b += k[1]; /* fall through */ + case 3: c += k[2]; fallthrough; + case 2: b += k[1]; fallthrough; case 1: a += k[0]; __jhash_final(a, b, c); case 0: /* Nothing left to add */ diff --git a/include/linux/kernel.h b/include/linux/kernel.h index 500def620d8f49..c25b8e41c0ea37 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -186,7 +186,7 @@ * lower_32_bits - return bits 0-31 of a number * @n: the number we're accessing */ -#define lower_32_bits(n) ((u32)(n)) +#define lower_32_bits(n) ((u32)((n) & 0xffffffff)) struct completion; struct pt_regs; diff --git a/include/linux/kprobes.h b/include/linux/kprobes.h index 9be1bff4f586a6..8aab327b5539dc 100644 --- a/include/linux/kprobes.h +++ b/include/linux/kprobes.h @@ -373,6 +373,8 @@ void unregister_kretprobes(struct kretprobe **rps, int num); void kprobe_flush_task(struct task_struct *tk); void recycle_rp_inst(struct kretprobe_instance *ri, struct hlist_head *head); +void kprobe_free_init_mem(void); + int disable_kprobe(struct kprobe *kp); int enable_kprobe(struct kprobe *kp); @@ -435,6 +437,9 @@ static inline void unregister_kretprobes(struct kretprobe **rps, int num) static inline void kprobe_flush_task(struct task_struct *tk) { } +static inline void kprobe_free_init_mem(void) +{ +} static inline int disable_kprobe(struct kprobe *kp) { return -ENOSYS; diff --git a/include/linux/ksm.h b/include/linux/ksm.h index e48b1e453ff510..161e8164abcf53 100644 --- a/include/linux/ksm.h +++ b/include/linux/ksm.h @@ -53,8 +53,6 @@ struct page *ksm_might_need_to_copy(struct page *page, void rmap_walk_ksm(struct page *page, struct rmap_walk_control *rwc); void ksm_migrate_page(struct page *newpage, struct page *oldpage); -bool reuse_ksm_page(struct page *page, - struct vm_area_struct *vma, unsigned long address); #else /* !CONFIG_KSM */ @@ -88,11 +86,6 @@ static inline void rmap_walk_ksm(struct page *page, static inline void ksm_migrate_page(struct page *newpage, struct page *oldpage) { } -static inline bool reuse_ksm_page(struct page *page, - struct vm_area_struct *vma, unsigned long address) -{ - return false; -} #endif /* CONFIG_MMU */ #endif /* !CONFIG_KSM */ diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index a23076765b4cc2..05e3c2fb3ef782 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -749,25 +749,46 @@ int kvm_write_guest_offset_cached(struct kvm *kvm, struct gfn_to_hva_cache *ghc, int kvm_gfn_to_hva_cache_init(struct kvm *kvm, struct gfn_to_hva_cache *ghc, gpa_t gpa, unsigned long len); -#define __kvm_put_guest(kvm, gfn, offset, value, type) \ +#define __kvm_get_guest(kvm, gfn, offset, v) \ ({ \ unsigned long __addr = gfn_to_hva(kvm, gfn); \ - type __user *__uaddr = (type __user *)(__addr + offset); \ + typeof(v) __user *__uaddr = (typeof(__uaddr))(__addr + offset); \ int __ret = -EFAULT; \ \ if (!kvm_is_error_hva(__addr)) \ - __ret = put_user(value, __uaddr); \ + __ret = get_user(v, __uaddr); \ + __ret; \ +}) + +#define kvm_get_guest(kvm, gpa, v) \ +({ \ + gpa_t __gpa = gpa; \ + struct kvm *__kvm = kvm; \ + \ + __kvm_get_guest(__kvm, __gpa >> PAGE_SHIFT, \ + offset_in_page(__gpa), v); \ +}) + +#define __kvm_put_guest(kvm, gfn, offset, v) \ +({ \ + unsigned long __addr = gfn_to_hva(kvm, gfn); \ + typeof(v) __user *__uaddr = (typeof(__uaddr))(__addr + offset); \ + int __ret = -EFAULT; \ + \ + if (!kvm_is_error_hva(__addr)) \ + __ret = put_user(v, __uaddr); \ if (!__ret) \ mark_page_dirty(kvm, gfn); \ __ret; \ }) -#define kvm_put_guest(kvm, gpa, value, type) \ +#define kvm_put_guest(kvm, gpa, v) \ ({ \ gpa_t __gpa = gpa; \ struct kvm *__kvm = kvm; \ + \ __kvm_put_guest(__kvm, __gpa >> PAGE_SHIFT, \ - offset_in_page(__gpa), (value), type); \ + offset_in_page(__gpa), v); \ }) int kvm_clear_guest_page(struct kvm *kvm, gfn_t gfn, int offset, int len); diff --git a/include/linux/libata.h b/include/linux/libata.h index 77ccf040a128b1..5f550eb27f811a 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -421,6 +421,7 @@ enum { ATA_HORKAGE_NO_DMA_LOG = (1 << 23), /* don't use DMA for log read */ ATA_HORKAGE_NOTRIM = (1 << 24), /* don't use TRIM */ ATA_HORKAGE_MAX_SEC_1024 = (1 << 25), /* Limit max sects to 1024 */ + ATA_HORKAGE_MAX_TRIM_128M = (1 << 26), /* Limit max trim size to 128M */ /* DMA mask for user DMA control: User visible values; DO NOT renumber */ diff --git a/include/linux/lockdep.h b/include/linux/lockdep.h index 57d642d378c7a9..f5594879175a6d 100644 --- a/include/linux/lockdep.h +++ b/include/linux/lockdep.h @@ -537,19 +537,19 @@ do { \ #define lock_map_release(l) lock_release(l, _THIS_IP_) #ifdef CONFIG_PROVE_LOCKING -# define might_lock(lock) \ +# define might_lock(lock) \ do { \ typecheck(struct lockdep_map *, &(lock)->dep_map); \ lock_acquire(&(lock)->dep_map, 0, 0, 0, 1, NULL, _THIS_IP_); \ lock_release(&(lock)->dep_map, _THIS_IP_); \ } while (0) -# define might_lock_read(lock) \ +# define might_lock_read(lock) \ do { \ typecheck(struct lockdep_map *, &(lock)->dep_map); \ lock_acquire(&(lock)->dep_map, 0, 0, 1, 1, NULL, _THIS_IP_); \ lock_release(&(lock)->dep_map, _THIS_IP_); \ } while (0) -# define might_lock_nested(lock, subclass) \ +# define might_lock_nested(lock, subclass) \ do { \ typecheck(struct lockdep_map *, &(lock)->dep_map); \ lock_acquire(&(lock)->dep_map, subclass, 0, 1, 1, NULL, \ @@ -559,44 +559,39 @@ do { \ DECLARE_PER_CPU(int, hardirqs_enabled); DECLARE_PER_CPU(int, hardirq_context); +DECLARE_PER_CPU(unsigned int, lockdep_recursion); -/* - * The below lockdep_assert_*() macros use raw_cpu_read() to access the above - * per-cpu variables. This is required because this_cpu_read() will potentially - * call into preempt/irq-disable and that obviously isn't right. This is also - * correct because when IRQs are enabled, it doesn't matter if we accidentally - * read the value from our previous CPU. - */ +#define __lockdep_enabled (debug_locks && !this_cpu_read(lockdep_recursion)) #define lockdep_assert_irqs_enabled() \ do { \ - WARN_ON_ONCE(debug_locks && !raw_cpu_read(hardirqs_enabled)); \ + WARN_ON_ONCE(__lockdep_enabled && !this_cpu_read(hardirqs_enabled)); \ } while (0) #define lockdep_assert_irqs_disabled() \ do { \ - WARN_ON_ONCE(debug_locks && raw_cpu_read(hardirqs_enabled)); \ + WARN_ON_ONCE(__lockdep_enabled && this_cpu_read(hardirqs_enabled)); \ } while (0) #define lockdep_assert_in_irq() \ do { \ - WARN_ON_ONCE(debug_locks && !raw_cpu_read(hardirq_context)); \ + WARN_ON_ONCE(__lockdep_enabled && !this_cpu_read(hardirq_context)); \ } while (0) #define lockdep_assert_preemption_enabled() \ do { \ WARN_ON_ONCE(IS_ENABLED(CONFIG_PREEMPT_COUNT) && \ - debug_locks && \ + __lockdep_enabled && \ (preempt_count() != 0 || \ - !raw_cpu_read(hardirqs_enabled))); \ + !this_cpu_read(hardirqs_enabled))); \ } while (0) #define lockdep_assert_preemption_disabled() \ do { \ WARN_ON_ONCE(IS_ENABLED(CONFIG_PREEMPT_COUNT) && \ - debug_locks && \ + __lockdep_enabled && \ (preempt_count() == 0 && \ - raw_cpu_read(hardirqs_enabled))); \ + this_cpu_read(hardirqs_enabled))); \ } while (0) #else diff --git a/include/linux/lockdep_types.h b/include/linux/lockdep_types.h index bb35b449f5330f..9a1fd49df17f6b 100644 --- a/include/linux/lockdep_types.h +++ b/include/linux/lockdep_types.h @@ -35,8 +35,12 @@ enum lockdep_wait_type { /* * We'd rather not expose kernel/lockdep_states.h this wide, but we do need * the total number of states... :-( + * + * XXX_LOCK_USAGE_STATES is the number of lines in lockdep_states.h, for each + * of those we generates 4 states, Additionally we report on USED and USED_READ. */ -#define XXX_LOCK_USAGE_STATES (1+2*4) +#define XXX_LOCK_USAGE_STATES 2 +#define LOCK_TRACE_STATES (XXX_LOCK_USAGE_STATES*4 + 2) /* * NR_LOCKDEP_CACHING_CLASSES ... Number of classes @@ -106,7 +110,7 @@ struct lock_class { * IRQ/softirq usage tracking bits: */ unsigned long usage_mask; - const struct lock_trace *usage_traces[XXX_LOCK_USAGE_STATES]; + const struct lock_trace *usage_traces[LOCK_TRACE_STATES]; /* * Generation counter, when doing certain classes of graph walking, diff --git a/include/linux/log2.h b/include/linux/log2.h index 83a4a3ca3e8a76..c619ec6eff4aee 100644 --- a/include/linux/log2.h +++ b/include/linux/log2.h @@ -173,7 +173,7 @@ unsigned long __rounddown_pow_of_two(unsigned long n) #define roundup_pow_of_two(n) \ ( \ __builtin_constant_p(n) ? ( \ - (n == 1) ? 1 : \ + ((n) == 1) ? 1 : \ (1UL << (ilog2((n) - 1) + 1)) \ ) : \ __roundup_pow_of_two(n) \ diff --git a/include/linux/memremap.h b/include/linux/memremap.h index 5f5b2df06e6104..e5862746751b1e 100644 --- a/include/linux/memremap.h +++ b/include/linux/memremap.h @@ -46,11 +46,10 @@ struct vmem_altmap { * wakeup is used to coordinate physical address space management (ex: * fs truncate/hole punch) vs pinned pages (ex: device dma). * - * MEMORY_DEVICE_DEVDAX: + * MEMORY_DEVICE_GENERIC: * Host memory that has similar access semantics as System RAM i.e. DMA - * coherent and supports page pinning. In contrast to - * MEMORY_DEVICE_FS_DAX, this memory is access via a device-dax - * character device. + * coherent and supports page pinning. This is for example used by DAX devices + * that expose memory using a character device. * * MEMORY_DEVICE_PCI_P2PDMA: * Device memory residing in a PCI BAR intended for use with Peer-to-Peer @@ -60,7 +59,7 @@ enum memory_type { /* 0 is reserved to catch uninitialized type fields */ MEMORY_DEVICE_PRIVATE = 1, MEMORY_DEVICE_FS_DAX, - MEMORY_DEVICE_DEVDAX, + MEMORY_DEVICE_GENERIC, MEMORY_DEVICE_PCI_P2PDMA, }; diff --git a/include/linux/memstick.h b/include/linux/memstick.h index da4c65f9435ff1..ebf73d4ee96906 100644 --- a/include/linux/memstick.h +++ b/include/linux/memstick.h @@ -281,6 +281,7 @@ struct memstick_host { struct memstick_dev *card; unsigned int retries; + bool removing; /* Notify the host that some requests are pending. */ void (*request)(struct memstick_host *host); diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h index c145de0473bc16..372100c755e7f7 100644 --- a/include/linux/mlx5/driver.h +++ b/include/linux/mlx5/driver.h @@ -767,6 +767,8 @@ struct mlx5_cmd_work_ent { u64 ts2; u16 op; bool polling; + /* Track the max comp handlers */ + refcount_t refcnt; }; struct mlx5_pas { @@ -933,6 +935,7 @@ int mlx5_cmd_exec(struct mlx5_core_dev *dev, void *in, int in_size, void *out, int mlx5_cmd_exec_polling(struct mlx5_core_dev *dev, void *in, int in_size, void *out, int out_size); void mlx5_cmd_mbox_status(void *out, u8 *status, u32 *syndrome); +bool mlx5_cmd_is_down(struct mlx5_core_dev *dev); int mlx5_core_get_caps(struct mlx5_core_dev *dev, enum mlx5_cap_type cap_type); int mlx5_cmd_alloc_uar(struct mlx5_core_dev *dev, u32 *uarn); diff --git a/include/linux/mm.h b/include/linux/mm.h index 1983e08f590624..16b799a0522cdc 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -41,6 +41,8 @@ struct writeback_control; struct bdi_writeback; struct pt_regs; +extern int sysctl_page_lock_unfairness; + void init_mm_internals(void); #ifndef CONFIG_NEED_MULTIPLE_NODES /* Don't use mapnrs, do it properly */ @@ -157,11 +159,14 @@ static inline void __mm_zero_struct_page(struct page *page) switch (sizeof(struct page)) { case 80: - _pp[9] = 0; /* fallthrough */ + _pp[9] = 0; + fallthrough; case 72: - _pp[8] = 0; /* fallthrough */ + _pp[8] = 0; + fallthrough; case 64: - _pp[7] = 0; /* fallthrough */ + _pp[7] = 0; + fallthrough; case 56: _pp[6] = 0; _pp[5] = 0; @@ -321,6 +326,8 @@ extern unsigned int kobjsize(const void *objp); #if defined(CONFIG_X86) # define VM_PAT VM_ARCH_1 /* PAT reserves whole VMA at once (x86) */ +#elif defined(CONFIG_PPC) +# define VM_SAO VM_ARCH_1 /* Strong Access Ordering (powerpc) */ #elif defined(CONFIG_PARISC) # define VM_GROWSUP VM_ARCH_1 #elif defined(CONFIG_IA64) @@ -1639,7 +1646,7 @@ struct mmu_notifier_range; void free_pgd_range(struct mmu_gather *tlb, unsigned long addr, unsigned long end, unsigned long floor, unsigned long ceiling); int copy_page_range(struct mm_struct *dst, struct mm_struct *src, - struct vm_area_struct *vma); + struct vm_area_struct *vma, struct vm_area_struct *new); int follow_pte_pmd(struct mm_struct *mm, unsigned long address, struct mmu_notifier_range *range, pte_t **ptepp, pmd_t **pmdpp, spinlock_t **ptlp); @@ -2409,7 +2416,7 @@ extern int __meminit __early_pfn_to_nid(unsigned long pfn, extern void set_dma_reserve(unsigned long new_dma_reserve); extern void memmap_init_zone(unsigned long, int, unsigned long, unsigned long, - enum memmap_context, struct vmem_altmap *); + enum meminit_context, struct vmem_altmap *); extern void setup_per_zone_wmarks(void); extern int __meminit init_per_zone_wmark_min(void); extern void mem_init(void); diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h index 496c3ff97cce7a..ed028af3cb19b8 100644 --- a/include/linux/mm_types.h +++ b/include/linux/mm_types.h @@ -436,6 +436,16 @@ struct mm_struct { */ atomic_t mm_count; + /** + * @has_pinned: Whether this mm has pinned any pages. This can + * be either replaced in the future by @pinned_vm when it + * becomes stable, or grow into a counter on its own. We're + * aggresive on this bit now - even if the pinned pages were + * unpinned later on, we'll still keep this bit set for the + * lifecycle of this mm just for simplicity. + */ + atomic_t has_pinned; + #ifdef CONFIG_MMU atomic_long_t pgtables_bytes; /* PTE page table pages */ #endif diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index 8379432f4f2ff1..0f7a4ff4b0593c 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -824,10 +824,15 @@ bool zone_watermark_ok(struct zone *z, unsigned int order, unsigned int alloc_flags); bool zone_watermark_ok_safe(struct zone *z, unsigned int order, unsigned long mark, int highest_zoneidx); -enum memmap_context { - MEMMAP_EARLY, - MEMMAP_HOTPLUG, +/* + * Memory initialization context, use to differentiate memory added by + * the platform statically or via memory hotplug interface. + */ +enum meminit_context { + MEMINIT_EARLY, + MEMINIT_HOTPLUG, }; + extern void init_currently_empty_zone(struct zone *zone, unsigned long start_pfn, unsigned long size); diff --git a/include/linux/net.h b/include/linux/net.h index d48ff11808794c..ae713c85134256 100644 --- a/include/linux/net.h +++ b/include/linux/net.h @@ -21,6 +21,7 @@ #include <linux/rcupdate.h> #include <linux/once.h> #include <linux/fs.h> +#include <linux/mm.h> #include <linux/sockptr.h> #include <uapi/linux/net.h> @@ -286,6 +287,21 @@ do { \ #define net_get_random_once_wait(buf, nbytes) \ get_random_once_wait((buf), (nbytes)) +/* + * E.g. XFS meta- & log-data is in slab pages, or bcache meta + * data pages, or other high order pages allocated by + * __get_free_pages() without __GFP_COMP, which have a page_count + * of 0 and/or have PageSlab() set. We cannot use send_page for + * those, as that does get_page(); put_page(); and would cause + * either a VM_BUG directly, or __page_cache_release a page that + * would actually still be referenced by someone, leading to some + * obscure delayed Oops somewhere else. + */ +static inline bool sendpage_ok(struct page *page) +{ + return !PageSlab(page) && page_count(page) >= 1; +} + int kernel_sendmsg(struct socket *sock, struct msghdr *msg, struct kvec *vec, size_t num, size_t len); int kernel_sendmsg_locked(struct sock *sk, struct msghdr *msg, diff --git a/include/linux/netdev_features.h b/include/linux/netdev_features.h index 2cc3cf80b49adf..0b17c4322b097c 100644 --- a/include/linux/netdev_features.h +++ b/include/linux/netdev_features.h @@ -193,7 +193,7 @@ static inline int find_next_netdev_feature(u64 feature, unsigned long start) #define NETIF_F_GSO_MASK (__NETIF_F_BIT(NETIF_F_GSO_LAST + 1) - \ __NETIF_F_BIT(NETIF_F_GSO_SHIFT)) -/* List of IP checksum features. Note that NETIF_F_ HW_CSUM should not be +/* List of IP checksum features. Note that NETIF_F_HW_CSUM should not be * set in features when NETIF_F_IP_CSUM or NETIF_F_IPV6_CSUM are set-- * this would be contradictory */ diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index b0e303f6603f0b..18dec08439f960 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -1784,6 +1784,7 @@ enum netdev_priv_flags { * the watchdog (see dev_watchdog()) * @watchdog_timer: List of timers * + * @proto_down_reason: reason a netdev interface is held down * @pcpu_refcnt: Number of references to this device * @todo_list: Delayed register/unregister * @link_watch_list: XXX: need comments on this one @@ -1848,6 +1849,12 @@ enum netdev_priv_flags { * @udp_tunnel_nic_info: static structure describing the UDP tunnel * offload capabilities of the device * @udp_tunnel_nic: UDP tunnel offload state + * @xdp_state: stores info on attached XDP BPF programs + * + * @nested_level: Used as as a parameter of spin_lock_nested() of + * dev->addr_list_lock. + * @unlink_list: As netif_addr_lock() can be called recursively, + * keep a list of interfaces to be deleted. * * FIXME: cleanup struct net_device such that network protocol info * moves out. @@ -1953,6 +1960,7 @@ struct net_device { unsigned short type; unsigned short hard_header_len; unsigned char min_header_len; + unsigned char name_assign_type; unsigned short needed_headroom; unsigned short needed_tailroom; @@ -1963,12 +1971,12 @@ struct net_device { unsigned char addr_len; unsigned char upper_level; unsigned char lower_level; + unsigned short neigh_priv_len; unsigned short dev_id; unsigned short dev_port; spinlock_t addr_list_lock; - unsigned char name_assign_type; - bool uc_promisc; + struct netdev_hw_addr_list uc; struct netdev_hw_addr_list mc; struct netdev_hw_addr_list dev_addrs; @@ -1976,8 +1984,15 @@ struct net_device { #ifdef CONFIG_SYSFS struct kset *queues_kset; #endif +#ifdef CONFIG_LOCKDEP + struct list_head unlink_list; +#endif unsigned int promiscuity; unsigned int allmulti; + bool uc_promisc; +#ifdef CONFIG_LOCKDEP + unsigned char nested_level; +#endif /* Protocol-specific pointers */ @@ -4258,17 +4273,23 @@ static inline void netif_tx_disable(struct net_device *dev) static inline void netif_addr_lock(struct net_device *dev) { - spin_lock(&dev->addr_list_lock); -} + unsigned char nest_level = 0; -static inline void netif_addr_lock_nested(struct net_device *dev) -{ - spin_lock_nested(&dev->addr_list_lock, dev->lower_level); +#ifdef CONFIG_LOCKDEP + nest_level = dev->nested_level; +#endif + spin_lock_nested(&dev->addr_list_lock, nest_level); } static inline void netif_addr_lock_bh(struct net_device *dev) { - spin_lock_bh(&dev->addr_list_lock); + unsigned char nest_level = 0; + +#ifdef CONFIG_LOCKDEP + nest_level = dev->nested_level; +#endif + local_bh_disable(); + spin_lock_nested(&dev->addr_list_lock, nest_level); } static inline void netif_addr_unlock(struct net_device *dev) @@ -4453,12 +4474,38 @@ extern int dev_rx_weight; extern int dev_tx_weight; extern int gro_normal_batch; +enum { + NESTED_SYNC_IMM_BIT, + NESTED_SYNC_TODO_BIT, +}; + +#define __NESTED_SYNC_BIT(bit) ((u32)1 << (bit)) +#define __NESTED_SYNC(name) __NESTED_SYNC_BIT(NESTED_SYNC_ ## name ## _BIT) + +#define NESTED_SYNC_IMM __NESTED_SYNC(IMM) +#define NESTED_SYNC_TODO __NESTED_SYNC(TODO) + +struct netdev_nested_priv { + unsigned char flags; + void *data; +}; + bool netdev_has_upper_dev(struct net_device *dev, struct net_device *upper_dev); struct net_device *netdev_upper_get_next_dev_rcu(struct net_device *dev, struct list_head **iter); struct net_device *netdev_all_upper_get_next_dev_rcu(struct net_device *dev, struct list_head **iter); +#ifdef CONFIG_LOCKDEP +static LIST_HEAD(net_unlink_list); + +static inline void net_unlink_todo(struct net_device *dev) +{ + if (list_empty(&dev->unlink_list)) + list_add_tail(&dev->unlink_list, &net_unlink_list); +} +#endif + /* iterate through upper list, must be called under RCU read lock */ #define netdev_for_each_upper_dev_rcu(dev, updev, iter) \ for (iter = &(dev)->adj_list.upper, \ @@ -4468,8 +4515,8 @@ struct net_device *netdev_all_upper_get_next_dev_rcu(struct net_device *dev, int netdev_walk_all_upper_dev_rcu(struct net_device *dev, int (*fn)(struct net_device *upper_dev, - void *data), - void *data); + struct netdev_nested_priv *priv), + struct netdev_nested_priv *priv); bool netdev_has_upper_dev_all_rcu(struct net_device *dev, struct net_device *upper_dev); @@ -4506,12 +4553,12 @@ struct net_device *netdev_next_lower_dev_rcu(struct net_device *dev, struct list_head **iter); int netdev_walk_all_lower_dev(struct net_device *dev, int (*fn)(struct net_device *lower_dev, - void *data), - void *data); + struct netdev_nested_priv *priv), + struct netdev_nested_priv *priv); int netdev_walk_all_lower_dev_rcu(struct net_device *dev, int (*fn)(struct net_device *lower_dev, - void *data), - void *data); + struct netdev_nested_priv *priv), + struct netdev_nested_priv *priv); void *netdev_adjacent_get_private(struct list_head *adj_list); void *netdev_lower_get_first_private_rcu(struct net_device *dev); diff --git a/include/linux/netfilter/nf_conntrack_sctp.h b/include/linux/netfilter/nf_conntrack_sctp.h index 9a33f171aa822d..625f491b95de87 100644 --- a/include/linux/netfilter/nf_conntrack_sctp.h +++ b/include/linux/netfilter/nf_conntrack_sctp.h @@ -9,6 +9,8 @@ struct ip_ct_sctp { enum sctp_conntrack state; __be32 vtag[IP_CT_DIR_MAX]; + u8 last_dir; + u8 flags; }; #endif /* _NF_CONNTRACK_SCTP_H */ diff --git a/include/linux/netfilter/nfnetlink.h b/include/linux/netfilter/nfnetlink.h index 851425c3178f17..89016d08f6a278 100644 --- a/include/linux/netfilter/nfnetlink.h +++ b/include/linux/netfilter/nfnetlink.h @@ -43,8 +43,7 @@ int nfnetlink_has_listeners(struct net *net, unsigned int group); int nfnetlink_send(struct sk_buff *skb, struct net *net, u32 portid, unsigned int group, int echo, gfp_t flags); int nfnetlink_set_err(struct net *net, u32 portid, u32 group, int error); -int nfnetlink_unicast(struct sk_buff *skb, struct net *net, u32 portid, - int flags); +int nfnetlink_unicast(struct sk_buff *skb, struct net *net, u32 portid); static inline u16 nfnl_msg_type(u8 subsys, u8 msg_type) { diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h index 9408f3252c8eec..69cb46f7b8d2c4 100644 --- a/include/linux/nfs_xdr.h +++ b/include/linux/nfs_xdr.h @@ -1611,8 +1611,8 @@ struct nfs_pgio_header { __u64 mds_offset; /* Filelayout dense stripe */ struct nfs_page_array page_array; struct nfs_client *ds_clp; /* pNFS data server */ - int ds_commit_idx; /* ds index if ds_clp is set */ - int pgio_mirror_idx;/* mirror index in pgio layer */ + u32 ds_commit_idx; /* ds index if ds_clp is set */ + u32 pgio_mirror_idx;/* mirror index in pgio layer */ }; struct nfs_mds_commit_info { diff --git a/include/linux/node.h b/include/linux/node.h index 4866f32a02d8d4..014ba3ab2efd8b 100644 --- a/include/linux/node.h +++ b/include/linux/node.h @@ -99,11 +99,13 @@ extern struct node *node_devices[]; typedef void (*node_registration_func_t)(struct node *); #if defined(CONFIG_MEMORY_HOTPLUG_SPARSE) && defined(CONFIG_NUMA) -extern int link_mem_sections(int nid, unsigned long start_pfn, - unsigned long end_pfn); +int link_mem_sections(int nid, unsigned long start_pfn, + unsigned long end_pfn, + enum meminit_context context); #else static inline int link_mem_sections(int nid, unsigned long start_pfn, - unsigned long end_pfn) + unsigned long end_pfn, + enum meminit_context context) { return 0; } @@ -128,7 +130,8 @@ static inline int register_one_node(int nid) if (error) return error; /* link memory sections under this node */ - error = link_mem_sections(nid, start_pfn, end_pfn); + error = link_mem_sections(nid, start_pfn, end_pfn, + MEMINIT_EARLY); } return error; diff --git a/include/linux/percpu-rwsem.h b/include/linux/percpu-rwsem.h index 5e033fe1ff4e9a..5fda40f97fe916 100644 --- a/include/linux/percpu-rwsem.h +++ b/include/linux/percpu-rwsem.h @@ -60,7 +60,7 @@ static inline void percpu_down_read(struct percpu_rw_semaphore *sem) * anything we did within this RCU-sched read-size critical section. */ if (likely(rcu_sync_is_idle(&sem->rss))) - __this_cpu_inc(*sem->read_count); + this_cpu_inc(*sem->read_count); else __percpu_down_read(sem, false); /* Unconditional memory barrier */ /* @@ -79,7 +79,7 @@ static inline bool percpu_down_read_trylock(struct percpu_rw_semaphore *sem) * Same as in percpu_down_read(). */ if (likely(rcu_sync_is_idle(&sem->rss))) - __this_cpu_inc(*sem->read_count); + this_cpu_inc(*sem->read_count); else ret = __percpu_down_read(sem, true); /* Unconditional memory barrier */ preempt_enable(); @@ -103,7 +103,7 @@ static inline void percpu_up_read(struct percpu_rw_semaphore *sem) * Same as in percpu_down_read(). */ if (likely(rcu_sync_is_idle(&sem->rss))) { - __this_cpu_dec(*sem->read_count); + this_cpu_dec(*sem->read_count); } else { /* * slowpath; reader will only ever wake a single blocked @@ -115,7 +115,7 @@ static inline void percpu_up_read(struct percpu_rw_semaphore *sem) * aggregate zero, as that is the only time it matters) they * will also see our critical section. */ - __this_cpu_dec(*sem->read_count); + this_cpu_dec(*sem->read_count); rcuwait_wake_up(&sem->writer); } preempt_enable(); diff --git a/include/linux/pgtable.h b/include/linux/pgtable.h index e8cbc2e795d530..90654cb63e9ed5 100644 --- a/include/linux/pgtable.h +++ b/include/linux/pgtable.h @@ -1427,6 +1427,16 @@ typedef unsigned int pgtbl_mod_mask; #define mm_pmd_folded(mm) __is_defined(__PAGETABLE_PMD_FOLDED) #endif +#ifndef p4d_offset_lockless +#define p4d_offset_lockless(pgdp, pgd, address) p4d_offset(&(pgd), address) +#endif +#ifndef pud_offset_lockless +#define pud_offset_lockless(p4dp, p4d, address) pud_offset(&(p4d), address) +#endif +#ifndef pmd_offset_lockless +#define pmd_offset_lockless(pudp, pud, address) pmd_offset(&(pud), address) +#endif + /* * p?d_leaf() - true if this entry is a final mapping to a physical address. * This differs from p?d_huge() by the fact that they are always available (if diff --git a/include/linux/pipe_fs_i.h b/include/linux/pipe_fs_i.h index 50afd0d0084caf..5d2705f1d01c3d 100644 --- a/include/linux/pipe_fs_i.h +++ b/include/linux/pipe_fs_i.h @@ -240,8 +240,9 @@ extern unsigned int pipe_max_size; extern unsigned long pipe_user_pages_hard; extern unsigned long pipe_user_pages_soft; -/* Drop the inode semaphore and wait for a pipe event, atomically */ -void pipe_wait(struct pipe_inode_info *pipe); +/* Wait for a pipe to be readable/writable while dropping the pipe lock */ +void pipe_wait_readable(struct pipe_inode_info *); +void pipe_wait_writable(struct pipe_inode_info *); struct pipe_inode_info *alloc_pipe_info(void); void free_pipe_info(struct pipe_inode_info *); diff --git a/include/linux/platform_data/gpio/gpio-amd-fch.h b/include/linux/platform_data/gpio/gpio-amd-fch.h index 9e46678edb2aff..255d51c9d36df8 100644 --- a/include/linux/platform_data/gpio/gpio-amd-fch.h +++ b/include/linux/platform_data/gpio/gpio-amd-fch.h @@ -19,7 +19,7 @@ #define AMD_FCH_GPIO_REG_GPIO49 0x40 #define AMD_FCH_GPIO_REG_GPIO50 0x41 #define AMD_FCH_GPIO_REG_GPIO51 0x42 -#define AMD_FCH_GPIO_REG_GPIO59_DEVSLP0 0x43 +#define AMD_FCH_GPIO_REG_GPIO55_DEVSLP0 0x43 #define AMD_FCH_GPIO_REG_GPIO57 0x44 #define AMD_FCH_GPIO_REG_GPIO58 0x45 #define AMD_FCH_GPIO_REG_GPIO59_DEVSLP1 0x46 diff --git a/include/linux/powercap.h b/include/linux/powercap.h index 4537f57f9e42f7..3d557bbcd2c712 100644 --- a/include/linux/powercap.h +++ b/include/linux/powercap.h @@ -44,19 +44,18 @@ struct powercap_control_type_ops { }; /** - * struct powercap_control_type- Defines a powercap control_type - * @name: name of control_type + * struct powercap_control_type - Defines a powercap control_type * @dev: device for this control_type * @idr: idr to have unique id for its child - * @root_node: Root holding power zones for this control_type + * @nr_zones: counter for number of zones of this type * @ops: Pointer to callback struct - * @node_lock: mutex for control type + * @lock: mutex for control type * @allocated: This is possible that client owns the memory * used by this structure. In this case * this flag is set to false by framework to * prevent deallocation during release process. * Otherwise this flag is set to true. - * @ctrl_inst: link to the control_type list + * @node: linked-list node * * Defines powercap control_type. This acts as a container for power * zones, which use same method to control power. E.g. RAPL, RAPL-PCI etc. @@ -129,7 +128,7 @@ struct powercap_zone_ops { * this flag is set to false by framework to * prevent deallocation during release process. * Otherwise this flag is set to true. - * @constraint_ptr: List of constraints for this zone. + * @constraints: List of constraints for this zone. * * This defines a power zone instance. The fields of this structure are * private, and should not be used by client drivers. diff --git a/include/linux/qed/qed_if.h b/include/linux/qed/qed_if.h index cd6a5c7e56ebaa..cdd73afc4c463c 100644 --- a/include/linux/qed/qed_if.h +++ b/include/linux/qed/qed_if.h @@ -623,6 +623,7 @@ struct qed_dev_info { #define QED_MFW_VERSION_3_OFFSET 24 u32 flash_size; + bool b_arfs_capable; bool b_inter_pf_switch; bool tx_switching; bool rdma_supported; diff --git a/include/linux/sched.h b/include/linux/sched.h index 93ecd930efd316..afe01e232935fa 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1666,7 +1666,7 @@ extern struct task_struct *idle_task(int cpu); * * Return: 1 if @p is an idle task. 0 otherwise. */ -static inline bool is_idle_task(const struct task_struct *p) +static __always_inline bool is_idle_task(const struct task_struct *p) { return !!(p->flags & PF_IDLE); } diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h index 01fc4d9c9c5406..8a99279a579bc2 100644 --- a/include/linux/serial_core.h +++ b/include/linux/serial_core.h @@ -248,6 +248,7 @@ struct uart_port { unsigned char hub6; /* this should be in the 8250 driver */ unsigned char suspended; + unsigned char console_reinit; const char *name; /* port name */ struct attribute_group *attr_group; /* port specific attributes */ const struct attribute_group **tty_groups; /* all attributes (serial core use only) */ diff --git a/include/linux/signal.h b/include/linux/signal.h index 6bb1a3f0258c27..7bbc0e9cf08472 100644 --- a/include/linux/signal.h +++ b/include/linux/signal.h @@ -137,11 +137,11 @@ static inline void name(sigset_t *r, const sigset_t *a, const sigset_t *b) \ b3 = b->sig[3]; b2 = b->sig[2]; \ r->sig[3] = op(a3, b3); \ r->sig[2] = op(a2, b2); \ - /* fall through */ \ + fallthrough; \ case 2: \ a1 = a->sig[1]; b1 = b->sig[1]; \ r->sig[1] = op(a1, b1); \ - /* fall through */ \ + fallthrough; \ case 1: \ a0 = a->sig[0]; b0 = b->sig[0]; \ r->sig[0] = op(a0, b0); \ @@ -171,9 +171,9 @@ static inline void name(sigset_t *set) \ switch (_NSIG_WORDS) { \ case 4: set->sig[3] = op(set->sig[3]); \ set->sig[2] = op(set->sig[2]); \ - /* fall through */ \ + fallthrough; \ case 2: set->sig[1] = op(set->sig[1]); \ - /* fall through */ \ + fallthrough; \ case 1: set->sig[0] = op(set->sig[0]); \ break; \ default: \ @@ -194,7 +194,7 @@ static inline void sigemptyset(sigset_t *set) memset(set, 0, sizeof(sigset_t)); break; case 2: set->sig[1] = 0; - /* fall through */ + fallthrough; case 1: set->sig[0] = 0; break; } @@ -207,7 +207,7 @@ static inline void sigfillset(sigset_t *set) memset(set, -1, sizeof(sigset_t)); break; case 2: set->sig[1] = -1; - /* fall through */ + fallthrough; case 1: set->sig[0] = -1; break; } diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 46881d9021241c..04a18e01b362e3 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -71,7 +71,7 @@ * NETIF_F_IPV6_CSUM - Driver (device) is only able to checksum plain * TCP or UDP packets over IPv6. These are specifically * unencapsulated packets of the form IPv6|TCP or - * IPv4|UDP where the Next Header field in the IPv6 + * IPv6|UDP where the Next Header field in the IPv6 * header is either TCP or UDP. IPv6 extension headers * are not supported with this feature. This feature * cannot be set in features for a device with @@ -1056,7 +1056,16 @@ void kfree_skb(struct sk_buff *skb); void kfree_skb_list(struct sk_buff *segs); void skb_dump(const char *level, const struct sk_buff *skb, bool full_pkt); void skb_tx_error(struct sk_buff *skb); + +#ifdef CONFIG_TRACEPOINTS void consume_skb(struct sk_buff *skb); +#else +static inline void consume_skb(struct sk_buff *skb) +{ + return kfree_skb(skb); +} +#endif + void __consume_stateless_skb(struct sk_buff *skb); void __kfree_skb(struct sk_buff *skb); extern struct kmem_cache *skbuff_head_cache; @@ -2658,7 +2667,7 @@ static inline int pskb_network_may_pull(struct sk_buff *skb, unsigned int len) * * Using max(32, L1_CACHE_BYTES) makes sense (especially with RPS) * to reduce average number of cache lines per packet. - * get_rps_cpus() for example only access one 64 bytes aligned block : + * get_rps_cpu() for example only access one 64 bytes aligned block : * NET_IP_ALIGN(2) + ethernet_header(14) + IP_header(20/40) + ports(8) */ #ifndef NET_SKB_PAD @@ -3214,8 +3223,9 @@ static inline int skb_padto(struct sk_buff *skb, unsigned int len) * is untouched. Otherwise it is extended. Returns zero on * success. The skb is freed on error if @free_on_error is true. */ -static inline int __skb_put_padto(struct sk_buff *skb, unsigned int len, - bool free_on_error) +static inline int __must_check __skb_put_padto(struct sk_buff *skb, + unsigned int len, + bool free_on_error) { unsigned int size = skb->len; @@ -3238,7 +3248,7 @@ static inline int __skb_put_padto(struct sk_buff *skb, unsigned int len, * is untouched. Otherwise it is extended. Returns zero on * success. The skb is freed on error. */ -static inline int skb_put_padto(struct sk_buff *skb, unsigned int len) +static inline int __must_check skb_put_padto(struct sk_buff *skb, unsigned int len) { return __skb_put_padto(skb, len, true); } @@ -3745,19 +3755,19 @@ static inline bool __skb_metadata_differs(const struct sk_buff *skb_a, #define __it(x, op) (x -= sizeof(u##op)) #define __it_diff(a, b, op) (*(u##op *)__it(a, op)) ^ (*(u##op *)__it(b, op)) case 32: diffs |= __it_diff(a, b, 64); - /* fall through */ + fallthrough; case 24: diffs |= __it_diff(a, b, 64); - /* fall through */ + fallthrough; case 16: diffs |= __it_diff(a, b, 64); - /* fall through */ + fallthrough; case 8: diffs |= __it_diff(a, b, 64); break; case 28: diffs |= __it_diff(a, b, 64); - /* fall through */ + fallthrough; case 20: diffs |= __it_diff(a, b, 64); - /* fall through */ + fallthrough; case 12: diffs |= __it_diff(a, b, 64); - /* fall through */ + fallthrough; case 4: diffs |= __it_diff(a, b, 32); break; } diff --git a/include/linux/soc/ti/ti_sci_protocol.h b/include/linux/soc/ti/ti_sci_protocol.h index 49c5d29cd33c81..cf27b080e14821 100644 --- a/include/linux/soc/ti/ti_sci_protocol.h +++ b/include/linux/soc/ti/ti_sci_protocol.h @@ -220,6 +220,9 @@ struct ti_sci_rm_core_ops { u16 *range_start, u16 *range_num); }; +#define TI_SCI_RESASG_SUBTYPE_IR_OUTPUT 0 +#define TI_SCI_RESASG_SUBTYPE_IA_VINT 0xa +#define TI_SCI_RESASG_SUBTYPE_GLOBAL_EVENT_SEVT 0xd /** * struct ti_sci_rm_irq_ops: IRQ management operations * @set_irq: Set an IRQ route between the requested source @@ -556,6 +559,9 @@ u32 ti_sci_get_num_resources(struct ti_sci_resource *res); struct ti_sci_resource * devm_ti_sci_get_of_resource(const struct ti_sci_handle *handle, struct device *dev, u32 dev_id, char *of_prop); +struct ti_sci_resource * +devm_ti_sci_get_resource(const struct ti_sci_handle *handle, struct device *dev, + u32 dev_id, u32 sub_type); #else /* CONFIG_TI_SCI_PROTOCOL */ @@ -609,6 +615,13 @@ devm_ti_sci_get_of_resource(const struct ti_sci_handle *handle, { return ERR_PTR(-EINVAL); } + +static inline struct ti_sci_resource * +devm_ti_sci_get_resource(const struct ti_sci_handle *handle, struct device *dev, + u32 dev_id, u32 sub_type); +{ + return ERR_PTR(-EINVAL); +} #endif /* CONFIG_TI_SCI_PROTOCOL */ #endif /* __TISCI_PROTOCOL_H */ diff --git a/include/linux/stackleak.h b/include/linux/stackleak.h index 3d5c3271a9a8cc..a59db2f08e76b7 100644 --- a/include/linux/stackleak.h +++ b/include/linux/stackleak.h @@ -25,7 +25,7 @@ static inline void stackleak_task_init(struct task_struct *t) #ifdef CONFIG_STACKLEAK_RUNTIME_DISABLE int stack_erasing_sysctl(struct ctl_table *table, int write, - void __user *buffer, size_t *lenp, loff_t *ppos); + void *buffer, size_t *lenp, loff_t *ppos); #endif #else /* !CONFIG_GCC_PLUGIN_STACKLEAK */ diff --git a/include/linux/vm_event_item.h b/include/linux/vm_event_item.h index 2e6ca53b9bbd5e..18e75974d4e37b 100644 --- a/include/linux/vm_event_item.h +++ b/include/linux/vm_event_item.h @@ -30,6 +30,7 @@ enum vm_event_item { PGPGIN, PGPGOUT, PSWPIN, PSWPOUT, PGFAULT, PGMAJFAULT, PGLAZYFREED, PGREFILL, + PGREUSE, PGSTEAL_KSWAPD, PGSTEAL_DIRECT, PGSCAN_KSWAPD, diff --git a/include/linux/vmstat.h b/include/linux/vmstat.h index 91220ace31da96..7557c1070fd7ff 100644 --- a/include/linux/vmstat.h +++ b/include/linux/vmstat.h @@ -312,6 +312,11 @@ static inline void __mod_zone_page_state(struct zone *zone, static inline void __mod_node_page_state(struct pglist_data *pgdat, enum node_stat_item item, int delta) { + if (vmstat_item_in_bytes(item)) { + VM_WARN_ON_ONCE(delta & (PAGE_SIZE - 1)); + delta >>= PAGE_SHIFT; + } + node_page_state_add(delta, pgdat, item); } diff --git a/include/linux/wait.h b/include/linux/wait.h index 898c890fc153ff..27fb99cfeb0269 100644 --- a/include/linux/wait.h +++ b/include/linux/wait.h @@ -21,6 +21,7 @@ int default_wake_function(struct wait_queue_entry *wq_entry, unsigned mode, int #define WQ_FLAG_WOKEN 0x02 #define WQ_FLAG_BOOKMARK 0x04 #define WQ_FLAG_CUSTOM 0x08 +#define WQ_FLAG_DONE 0x10 /* * A single wait-queue entry structure: diff --git a/include/math-emu/op-common.h b/include/math-emu/op-common.h index adcc6a97db6123..143568d64b207e 100644 --- a/include/math-emu/op-common.h +++ b/include/math-emu/op-common.h @@ -308,7 +308,7 @@ do { \ \ case _FP_CLS_COMBINE(FP_CLS_NORMAL,FP_CLS_ZERO): \ R##_e = X##_e; \ - /* Fall through */ \ + fallthrough; \ case _FP_CLS_COMBINE(FP_CLS_NAN,FP_CLS_NORMAL): \ case _FP_CLS_COMBINE(FP_CLS_NAN,FP_CLS_INF): \ case _FP_CLS_COMBINE(FP_CLS_NAN,FP_CLS_ZERO): \ @@ -319,7 +319,7 @@ do { \ \ case _FP_CLS_COMBINE(FP_CLS_ZERO,FP_CLS_NORMAL): \ R##_e = Y##_e; \ - /* Fall through */ \ + fallthrough; \ case _FP_CLS_COMBINE(FP_CLS_NORMAL,FP_CLS_NAN): \ case _FP_CLS_COMBINE(FP_CLS_INF,FP_CLS_NAN): \ case _FP_CLS_COMBINE(FP_CLS_ZERO,FP_CLS_NAN): \ @@ -417,7 +417,7 @@ do { \ case _FP_CLS_COMBINE(FP_CLS_NAN,FP_CLS_INF): \ case _FP_CLS_COMBINE(FP_CLS_NAN,FP_CLS_ZERO): \ R##_s = X##_s; \ - /* Fall through */ \ + fallthrough; \ \ case _FP_CLS_COMBINE(FP_CLS_INF,FP_CLS_INF): \ case _FP_CLS_COMBINE(FP_CLS_INF,FP_CLS_NORMAL): \ @@ -431,7 +431,7 @@ do { \ case _FP_CLS_COMBINE(FP_CLS_INF,FP_CLS_NAN): \ case _FP_CLS_COMBINE(FP_CLS_ZERO,FP_CLS_NAN): \ R##_s = Y##_s; \ - /* Fall through */ \ + fallthrough; \ \ case _FP_CLS_COMBINE(FP_CLS_NORMAL,FP_CLS_INF): \ case _FP_CLS_COMBINE(FP_CLS_NORMAL,FP_CLS_ZERO): \ @@ -497,7 +497,7 @@ do { \ \ case _FP_CLS_COMBINE(FP_CLS_NORMAL,FP_CLS_ZERO): \ FP_SET_EXCEPTION(FP_EX_DIVZERO); \ - /* Fall through */ \ + fallthrough; \ case _FP_CLS_COMBINE(FP_CLS_INF,FP_CLS_ZERO): \ case _FP_CLS_COMBINE(FP_CLS_INF,FP_CLS_NORMAL): \ R##_c = FP_CLS_INF; \ diff --git a/include/media/videobuf2-core.h b/include/media/videobuf2-core.h index 52ef92049073e3..bbb3f26fbde978 100644 --- a/include/media/videobuf2-core.h +++ b/include/media/videobuf2-core.h @@ -744,8 +744,6 @@ void vb2_core_querybuf(struct vb2_queue *q, unsigned int index, void *pb); * vb2_core_reqbufs() - Initiate streaming. * @q: pointer to &struct vb2_queue with videobuf2 queue. * @memory: memory type, as defined by &enum vb2_memory. - * @flags: auxiliary queue/buffer management flags. Currently, the only - * used flag is %V4L2_FLAG_MEMORY_NON_CONSISTENT. * @count: requested buffer count. * * Videobuf2 core helper to implement VIDIOC_REQBUF() operation. It is called @@ -770,13 +768,12 @@ void vb2_core_querybuf(struct vb2_queue *q, unsigned int index, void *pb); * Return: returns zero on success; an error code otherwise. */ int vb2_core_reqbufs(struct vb2_queue *q, enum vb2_memory memory, - unsigned int flags, unsigned int *count); + unsigned int *count); /** * vb2_core_create_bufs() - Allocate buffers and any required auxiliary structs * @q: pointer to &struct vb2_queue with videobuf2 queue. * @memory: memory type, as defined by &enum vb2_memory. - * @flags: auxiliary queue/buffer management flags. * @count: requested buffer count. * @requested_planes: number of planes requested. * @requested_sizes: array with the size of the planes. @@ -794,7 +791,7 @@ int vb2_core_reqbufs(struct vb2_queue *q, enum vb2_memory memory, * Return: returns zero on success; an error code otherwise. */ int vb2_core_create_bufs(struct vb2_queue *q, enum vb2_memory memory, - unsigned int flags, unsigned int *count, + unsigned int *count, unsigned int requested_planes, const unsigned int requested_sizes[]); diff --git a/include/net/act_api.h b/include/net/act_api.h index cb382a89ea5800..87214927314a1e 100644 --- a/include/net/act_api.h +++ b/include/net/act_api.h @@ -166,8 +166,6 @@ int tcf_idr_create_from_flags(struct tc_action_net *tn, u32 index, struct nlattr *est, struct tc_action **a, const struct tc_action_ops *ops, int bind, u32 flags); -void tcf_idr_insert(struct tc_action_net *tn, struct tc_action *a); - void tcf_idr_cleanup(struct tc_action_net *tn, u32 index); int tcf_idr_check_alloc(struct tc_action_net *tn, u32 *index, struct tc_action **a, int bind); diff --git a/include/net/af_rxrpc.h b/include/net/af_rxrpc.h index 91eacbdcf33d2b..f6abcc0bbd6e76 100644 --- a/include/net/af_rxrpc.h +++ b/include/net/af_rxrpc.h @@ -59,7 +59,7 @@ bool rxrpc_kernel_abort_call(struct socket *, struct rxrpc_call *, void rxrpc_kernel_end_call(struct socket *, struct rxrpc_call *); void rxrpc_kernel_get_peer(struct socket *, struct rxrpc_call *, struct sockaddr_rxrpc *); -u32 rxrpc_kernel_get_srtt(struct socket *, struct rxrpc_call *); +bool rxrpc_kernel_get_srtt(struct socket *, struct rxrpc_call *, u32 *); int rxrpc_kernel_charge_accept(struct socket *, rxrpc_notify_rx_t, rxrpc_user_attach_call_t, unsigned long, gfp_t, unsigned int); diff --git a/include/net/flow.h b/include/net/flow.h index 929d3ca614d06d..b2531df3f65f19 100644 --- a/include/net/flow.h +++ b/include/net/flow.h @@ -116,6 +116,7 @@ static inline void flowi4_init_output(struct flowi4 *fl4, int oif, fl4->saddr = saddr; fl4->fl4_dport = dport; fl4->fl4_sport = sport; + fl4->flowi4_multipath_hash = 0; } /* Reset some input parameters after previous lookup */ diff --git a/include/net/genetlink.h b/include/net/genetlink.h index 6e5f1e1aa82267..8899d7429ccb29 100644 --- a/include/net/genetlink.h +++ b/include/net/genetlink.h @@ -138,6 +138,7 @@ genl_dumpit_info(struct netlink_callback *cb) * @cmd: command identifier * @internal_flags: flags used by the family * @flags: flags + * @validate: validation flags from enum genl_validate_flags * @doit: standard command callback * @start: start callback for dumps * @dumpit: callback for dumpers diff --git a/include/net/ip.h b/include/net/ip.h index b09c48d862cc10..2a52787db64a6e 100644 --- a/include/net/ip.h +++ b/include/net/ip.h @@ -436,12 +436,18 @@ static inline unsigned int ip_dst_mtu_maybe_forward(const struct dst_entry *dst, bool forwarding) { struct net *net = dev_net(dst->dev); + unsigned int mtu; if (net->ipv4.sysctl_ip_fwd_use_pmtu || ip_mtu_locked(dst) || !forwarding) return dst_mtu(dst); + /* 'forwarding = true' case should always honour route mtu */ + mtu = dst_metric_raw(dst, RTAX_MTU); + if (mtu) + return mtu; + return min(READ_ONCE(dst->dev->mtu), IP_MAX_MTU); } diff --git a/include/net/ndisc.h b/include/net/ndisc.h index 9205a76d967a03..38e4094960cee8 100644 --- a/include/net/ndisc.h +++ b/include/net/ndisc.h @@ -494,7 +494,7 @@ int igmp6_event_report(struct sk_buff *skb); #ifdef CONFIG_SYSCTL int ndisc_ifinfo_sysctl_change(struct ctl_table *ctl, int write, - void __user *buffer, size_t *lenp, loff_t *ppos); + void *buffer, size_t *lenp, loff_t *ppos); int ndisc_ifinfo_sysctl_strategy(struct ctl_table *ctl, void __user *oldval, size_t __user *oldlenp, void __user *newval, size_t newlen); diff --git a/include/net/netfilter/nf_tables.h b/include/net/netfilter/nf_tables.h index bf9491b77d1689..224d194ad29d06 100644 --- a/include/net/netfilter/nf_tables.h +++ b/include/net/netfilter/nf_tables.h @@ -143,6 +143,8 @@ static inline u64 nft_reg_load64(const u32 *sreg) static inline void nft_data_copy(u32 *dst, const struct nft_data *src, unsigned int len) { + if (len % NFT_REG32_SIZE) + dst[len / NFT_REG32_SIZE] = 0; memcpy(dst, src, len); } diff --git a/include/net/netlink.h b/include/net/netlink.h index c0411f14fb53b6..271620f6bc7f14 100644 --- a/include/net/netlink.h +++ b/include/net/netlink.h @@ -726,7 +726,6 @@ static inline int __nlmsg_parse(const struct nlmsghdr *nlh, int hdrlen, * @hdrlen: length of family specific header * @tb: destination array with maxtype+1 elements * @maxtype: maximum attribute type to be expected - * @validate: validation strictness * @extack: extended ACK report struct * * See nla_parse() @@ -824,7 +823,6 @@ static inline int nla_validate_deprecated(const struct nlattr *head, int len, * @len: length of attribute stream * @maxtype: maximum attribute type to be expected * @policy: validation policy - * @validate: validation strictness * @extack: extended ACK report struct * * Validates all attributes in the specified attribute stream against the @@ -1936,7 +1934,8 @@ void nla_get_range_signed(const struct nla_policy *pt, int netlink_policy_dump_start(const struct nla_policy *policy, unsigned int maxtype, unsigned long *state); -bool netlink_policy_dump_loop(unsigned long *state); +bool netlink_policy_dump_loop(unsigned long state); int netlink_policy_dump_write(struct sk_buff *skb, unsigned long state); +void netlink_policy_dump_free(unsigned long state); #endif diff --git a/include/net/netns/nftables.h b/include/net/netns/nftables.h index a1a8d45adb42a9..6c0806bd8d1e63 100644 --- a/include/net/netns/nftables.h +++ b/include/net/netns/nftables.h @@ -8,6 +8,7 @@ struct netns_nftables { struct list_head tables; struct list_head commit_list; struct list_head module_list; + struct list_head notify_list; struct mutex commit_mutex; unsigned int base_seq; u8 gencursor; diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h index b33f1aefad0989..0bdff38eb4bb70 100644 --- a/include/net/sctp/structs.h +++ b/include/net/sctp/structs.h @@ -226,12 +226,14 @@ struct sctp_sock { data_ready_signalled:1; atomic_t pd_mode; + + /* Fields after this point will be skipped on copies, like on accept + * and peeloff operations + */ + /* Receive to here while partial delivery is in effect. */ struct sk_buff_head pd_lobby; - /* These must be the last fields, as they will skipped on copies, - * like on accept and peeloff operations - */ struct list_head auto_asconf_list; int do_auto_asconf; }; diff --git a/include/net/vxlan.h b/include/net/vxlan.h index 3a41627cbdfe58..08537aa14f7c3a 100644 --- a/include/net/vxlan.h +++ b/include/net/vxlan.h @@ -121,6 +121,9 @@ struct vxlanhdr_gbp { #define VXLAN_GBP_POLICY_APPLIED (BIT(3) << 16) #define VXLAN_GBP_ID_MASK (0xFFFF) +#define VXLAN_GBP_MASK (VXLAN_GBP_DONT_LEARN | VXLAN_GBP_POLICY_APPLIED | \ + VXLAN_GBP_ID_MASK) + /* * VXLAN Generic Protocol Extension (VXLAN_F_GPE): * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ diff --git a/include/net/xfrm.h b/include/net/xfrm.h index 2737d24ec2440d..9e806c7810255e 100644 --- a/include/net/xfrm.h +++ b/include/net/xfrm.h @@ -1773,21 +1773,17 @@ static inline unsigned int xfrm_replay_state_esn_len(struct xfrm_replay_state_es static inline int xfrm_replay_clone(struct xfrm_state *x, struct xfrm_state *orig) { - x->replay_esn = kzalloc(xfrm_replay_state_esn_len(orig->replay_esn), + + x->replay_esn = kmemdup(orig->replay_esn, + xfrm_replay_state_esn_len(orig->replay_esn), GFP_KERNEL); if (!x->replay_esn) return -ENOMEM; - - x->replay_esn->bmp_len = orig->replay_esn->bmp_len; - x->replay_esn->replay_window = orig->replay_esn->replay_window; - - x->preplay_esn = kmemdup(x->replay_esn, - xfrm_replay_state_esn_len(x->replay_esn), + x->preplay_esn = kmemdup(orig->preplay_esn, + xfrm_replay_state_esn_len(orig->preplay_esn), GFP_KERNEL); - if (!x->preplay_esn) { - kfree(x->replay_esn); + if (!x->preplay_esn) return -ENOMEM; - } return 0; } diff --git a/include/soc/mscc/ocelot.h b/include/soc/mscc/ocelot.h index da369b12005f89..0ac4e7fba086f6 100644 --- a/include/soc/mscc/ocelot.h +++ b/include/soc/mscc/ocelot.h @@ -566,6 +566,7 @@ struct ocelot_port { u8 ptp_cmd; struct sk_buff_head tx_skbs; u8 ts_id; + spinlock_t ts_id_lock; phy_interface_t phy_mode; @@ -677,6 +678,7 @@ void ocelot_configure_cpu(struct ocelot *ocelot, int npi, int ocelot_init(struct ocelot *ocelot); void ocelot_deinit(struct ocelot *ocelot); void ocelot_init_port(struct ocelot *ocelot, int port); +void ocelot_deinit_port(struct ocelot *ocelot, int port); /* DSA callbacks */ void ocelot_port_enable(struct ocelot *ocelot, int port, diff --git a/include/soc/mscc/ocelot_ana.h b/include/soc/mscc/ocelot_ana.h index 841c6ec22b641b..1669481d977944 100644 --- a/include/soc/mscc/ocelot_ana.h +++ b/include/soc/mscc/ocelot_ana.h @@ -252,10 +252,10 @@ #define ANA_SG_CONFIG_REG_3_LIST_LENGTH_M GENMASK(18, 16) #define ANA_SG_CONFIG_REG_3_LIST_LENGTH_X(x) (((x) & GENMASK(18, 16)) >> 16) #define ANA_SG_CONFIG_REG_3_GATE_ENABLE BIT(20) -#define ANA_SG_CONFIG_REG_3_INIT_IPS(x) (((x) << 24) & GENMASK(27, 24)) -#define ANA_SG_CONFIG_REG_3_INIT_IPS_M GENMASK(27, 24) -#define ANA_SG_CONFIG_REG_3_INIT_IPS_X(x) (((x) & GENMASK(27, 24)) >> 24) -#define ANA_SG_CONFIG_REG_3_INIT_GATE_STATE BIT(28) +#define ANA_SG_CONFIG_REG_3_INIT_IPS(x) (((x) << 21) & GENMASK(24, 21)) +#define ANA_SG_CONFIG_REG_3_INIT_IPS_M GENMASK(24, 21) +#define ANA_SG_CONFIG_REG_3_INIT_IPS_X(x) (((x) & GENMASK(24, 21)) >> 21) +#define ANA_SG_CONFIG_REG_3_INIT_GATE_STATE BIT(25) #define ANA_SG_GCL_GS_CONFIG_RSZ 0x4 diff --git a/include/soc/nps/common.h b/include/soc/nps/common.h index 9b1d43d671a3f6..8c18dc6d3fde5e 100644 --- a/include/soc/nps/common.h +++ b/include/soc/nps/common.h @@ -45,6 +45,12 @@ #define CTOP_INST_MOV2B_FLIP_R3_B1_B2_INST 0x5B60 #define CTOP_INST_MOV2B_FLIP_R3_B1_B2_LIMM 0x00010422 +#ifndef AUX_IENABLE +#define AUX_IENABLE 0x40c +#endif + +#define CTOP_AUX_IACK (0xFFFFF800 + 0x088) + #ifndef __ASSEMBLY__ /* In order to increase compilation test coverage */ diff --git a/include/sound/soc.h b/include/sound/soc.h index 5e3919ffb00c50..fc4fcac72cf794 100644 --- a/include/sound/soc.h +++ b/include/sound/soc.h @@ -1193,6 +1193,8 @@ struct snd_soc_pcm_runtime { ((i) < (rtd)->num_cpus + (rtd)->num_codecs) && \ ((dai) = (rtd)->dais[i]); \ (i)++) +#define for_each_rtd_dais_rollback(rtd, i, dai) \ + for (; (--(i) >= 0) && ((dai) = (rtd)->dais[i]);) void snd_soc_close_delayed_work(struct snd_soc_pcm_runtime *rtd); @@ -1361,6 +1363,8 @@ void snd_soc_unregister_dai(struct snd_soc_dai *dai); struct snd_soc_dai *snd_soc_find_dai( const struct snd_soc_dai_link_component *dlc); +struct snd_soc_dai *snd_soc_find_dai_with_mutex( + const struct snd_soc_dai_link_component *dlc); #include <sound/soc-dai.h> diff --git a/include/trace/events/mmflags.h b/include/trace/events/mmflags.h index 939092dbcb8bf3..5fb75203438636 100644 --- a/include/trace/events/mmflags.h +++ b/include/trace/events/mmflags.h @@ -114,6 +114,8 @@ IF_HAVE_PG_IDLE(PG_idle, "idle" ) #if defined(CONFIG_X86) #define __VM_ARCH_SPECIFIC_1 {VM_PAT, "pat" } +#elif defined(CONFIG_PPC) +#define __VM_ARCH_SPECIFIC_1 {VM_SAO, "sao" } #elif defined(CONFIG_PARISC) || defined(CONFIG_IA64) #define __VM_ARCH_SPECIFIC_1 {VM_GROWSUP, "growsup" } #elif !defined(CONFIG_MMU) diff --git a/include/trace/events/rxrpc.h b/include/trace/events/rxrpc.h index 059b6e45a02833..c33079b986e86b 100644 --- a/include/trace/events/rxrpc.h +++ b/include/trace/events/rxrpc.h @@ -138,11 +138,16 @@ enum rxrpc_recvmsg_trace { }; enum rxrpc_rtt_tx_trace { + rxrpc_rtt_tx_cancel, rxrpc_rtt_tx_data, + rxrpc_rtt_tx_no_slot, rxrpc_rtt_tx_ping, }; enum rxrpc_rtt_rx_trace { + rxrpc_rtt_rx_cancel, + rxrpc_rtt_rx_lost, + rxrpc_rtt_rx_obsolete, rxrpc_rtt_rx_ping_response, rxrpc_rtt_rx_requested_ack, }; @@ -339,10 +344,15 @@ enum rxrpc_tx_point { E_(rxrpc_recvmsg_wait, "WAIT") #define rxrpc_rtt_tx_traces \ + EM(rxrpc_rtt_tx_cancel, "CNCE") \ EM(rxrpc_rtt_tx_data, "DATA") \ + EM(rxrpc_rtt_tx_no_slot, "FULL") \ E_(rxrpc_rtt_tx_ping, "PING") #define rxrpc_rtt_rx_traces \ + EM(rxrpc_rtt_rx_cancel, "CNCL") \ + EM(rxrpc_rtt_rx_obsolete, "OBSL") \ + EM(rxrpc_rtt_rx_lost, "LOST") \ EM(rxrpc_rtt_rx_ping_response, "PONG") \ E_(rxrpc_rtt_rx_requested_ack, "RACK") @@ -1087,38 +1097,43 @@ TRACE_EVENT(rxrpc_recvmsg, TRACE_EVENT(rxrpc_rtt_tx, TP_PROTO(struct rxrpc_call *call, enum rxrpc_rtt_tx_trace why, - rxrpc_serial_t send_serial), + int slot, rxrpc_serial_t send_serial), - TP_ARGS(call, why, send_serial), + TP_ARGS(call, why, slot, send_serial), TP_STRUCT__entry( __field(unsigned int, call ) __field(enum rxrpc_rtt_tx_trace, why ) + __field(int, slot ) __field(rxrpc_serial_t, send_serial ) ), TP_fast_assign( __entry->call = call->debug_id; __entry->why = why; + __entry->slot = slot; __entry->send_serial = send_serial; ), - TP_printk("c=%08x %s sr=%08x", + TP_printk("c=%08x [%d] %s sr=%08x", __entry->call, + __entry->slot, __print_symbolic(__entry->why, rxrpc_rtt_tx_traces), __entry->send_serial) ); TRACE_EVENT(rxrpc_rtt_rx, TP_PROTO(struct rxrpc_call *call, enum rxrpc_rtt_rx_trace why, + int slot, rxrpc_serial_t send_serial, rxrpc_serial_t resp_serial, u32 rtt, u32 rto), - TP_ARGS(call, why, send_serial, resp_serial, rtt, rto), + TP_ARGS(call, why, slot, send_serial, resp_serial, rtt, rto), TP_STRUCT__entry( __field(unsigned int, call ) __field(enum rxrpc_rtt_rx_trace, why ) + __field(int, slot ) __field(rxrpc_serial_t, send_serial ) __field(rxrpc_serial_t, resp_serial ) __field(u32, rtt ) @@ -1128,14 +1143,16 @@ TRACE_EVENT(rxrpc_rtt_rx, TP_fast_assign( __entry->call = call->debug_id; __entry->why = why; + __entry->slot = slot; __entry->send_serial = send_serial; __entry->resp_serial = resp_serial; __entry->rtt = rtt; __entry->rto = rto; ), - TP_printk("c=%08x %s sr=%08x rr=%08x rtt=%u rto=%u", + TP_printk("c=%08x [%d] %s sr=%08x rr=%08x rtt=%u rto=%u", __entry->call, + __entry->slot, __print_symbolic(__entry->why, rxrpc_rtt_rx_traces), __entry->send_serial, __entry->resp_serial, diff --git a/include/trace/events/writeback.h b/include/trace/events/writeback.h index 10f5d1fa73476a..e7cbccc7c14cc2 100644 --- a/include/trace/events/writeback.h +++ b/include/trace/events/writeback.h @@ -20,7 +20,6 @@ {I_CLEAR, "I_CLEAR"}, \ {I_SYNC, "I_SYNC"}, \ {I_DIRTY_TIME, "I_DIRTY_TIME"}, \ - {I_DIRTY_TIME_EXPIRED, "I_DIRTY_TIME_EXPIRED"}, \ {I_REFERENCED, "I_REFERENCED"} \ ) @@ -498,8 +497,9 @@ DEFINE_WBC_EVENT(wbc_writepage); TRACE_EVENT(writeback_queue_io, TP_PROTO(struct bdi_writeback *wb, struct wb_writeback_work *work, + unsigned long dirtied_before, int moved), - TP_ARGS(wb, work, moved), + TP_ARGS(wb, work, dirtied_before, moved), TP_STRUCT__entry( __array(char, name, 32) __field(unsigned long, older) @@ -509,19 +509,17 @@ TRACE_EVENT(writeback_queue_io, __field(ino_t, cgroup_ino) ), TP_fast_assign( - unsigned long *older_than_this = work->older_than_this; strscpy_pad(__entry->name, bdi_dev_name(wb->bdi), 32); - __entry->older = older_than_this ? *older_than_this : 0; - __entry->age = older_than_this ? - (jiffies - *older_than_this) * 1000 / HZ : -1; + __entry->older = dirtied_before; + __entry->age = (jiffies - dirtied_before) * 1000 / HZ; __entry->moved = moved; __entry->reason = work->reason; __entry->cgroup_ino = __trace_wb_assign_cgroup(wb); ), TP_printk("bdi %s: older=%lu age=%ld enqueue=%d reason=%s cgroup_ino=%lu", __entry->name, - __entry->older, /* older_than_this in jiffies */ - __entry->age, /* older_than_this in relative milliseconds */ + __entry->older, /* dirtied_before in jiffies */ + __entry->age, /* dirtied_before in relative milliseconds */ __entry->moved, __print_symbolic(__entry->reason, WB_WORK_REASON), (unsigned long)__entry->cgroup_ino diff --git a/include/uapi/linux/ethtool_netlink.h b/include/uapi/linux/ethtool_netlink.h index 5dcd24cb33ea2d..72ba36be96550b 100644 --- a/include/uapi/linux/ethtool_netlink.h +++ b/include/uapi/linux/ethtool_netlink.h @@ -79,6 +79,7 @@ enum { ETHTOOL_MSG_TSINFO_GET_REPLY, ETHTOOL_MSG_CABLE_TEST_NTF, ETHTOOL_MSG_CABLE_TEST_TDR_NTF, + ETHTOOL_MSG_TUNNEL_INFO_GET_REPLY, /* add new constants above here */ __ETHTOOL_MSG_KERNEL_CNT, diff --git a/include/uapi/linux/in.h b/include/uapi/linux/in.h index 3d0d8231dc1968..7d6687618d8080 100644 --- a/include/uapi/linux/in.h +++ b/include/uapi/linux/in.h @@ -135,7 +135,7 @@ struct in_addr { * this socket to prevent accepting spoofed ones. */ #define IP_PMTUDISC_INTERFACE 4 -/* weaker version of IP_PMTUDISC_INTERFACE, which allos packets to get +/* weaker version of IP_PMTUDISC_INTERFACE, which allows packets to get * fragmented if they exeed the interface mtu */ #define IP_PMTUDISC_OMIT 5 diff --git a/include/uapi/linux/kvm.h b/include/uapi/linux/kvm.h index f6d86033c4fa3d..7d8eced6f459b0 100644 --- a/include/uapi/linux/kvm.h +++ b/include/uapi/linux/kvm.h @@ -790,9 +790,10 @@ struct kvm_ppc_resize_hpt { #define KVM_VM_PPC_HV 1 #define KVM_VM_PPC_PR 2 -/* on MIPS, 0 forces trap & emulate, 1 forces VZ ASE */ -#define KVM_VM_MIPS_TE 0 +/* on MIPS, 0 indicates auto, 1 forces VZ ASE, 2 forces trap & emulate */ +#define KVM_VM_MIPS_AUTO 0 #define KVM_VM_MIPS_VZ 1 +#define KVM_VM_MIPS_TE 2 #define KVM_S390_SIE_PAGE_OFFSET 1 @@ -1035,6 +1036,7 @@ struct kvm_ppc_resize_hpt { #define KVM_CAP_LAST_CPU 184 #define KVM_CAP_SMALLER_MAXPHYADDR 185 #define KVM_CAP_S390_DIAG318 186 +#define KVM_CAP_STEAL_TIME 187 #ifdef KVM_CAP_IRQ_ROUTING diff --git a/include/uapi/linux/netfilter/nf_tables.h b/include/uapi/linux/netfilter/nf_tables.h index 42f351c1f5c533..2b8e12f7a4a652 100644 --- a/include/uapi/linux/netfilter/nf_tables.h +++ b/include/uapi/linux/netfilter/nf_tables.h @@ -133,7 +133,7 @@ enum nf_tables_msg_types { * @NFTA_LIST_ELEM: list element (NLA_NESTED) */ enum nft_list_attributes { - NFTA_LIST_UNPEC, + NFTA_LIST_UNSPEC, NFTA_LIST_ELEM, __NFTA_LIST_MAX }; diff --git a/include/uapi/linux/rxrpc.h b/include/uapi/linux/rxrpc.h index 4accfa7e266dcf..8f8dc7a937a433 100644 --- a/include/uapi/linux/rxrpc.h +++ b/include/uapi/linux/rxrpc.h @@ -51,11 +51,11 @@ enum rxrpc_cmsg_type { RXRPC_BUSY = 6, /* -r: server busy received [terminal] */ RXRPC_LOCAL_ERROR = 7, /* -r: local error generated [terminal] */ RXRPC_NEW_CALL = 8, /* -r: [Service] new incoming call notification */ - RXRPC_ACCEPT = 9, /* s-: [Service] accept request */ RXRPC_EXCLUSIVE_CALL = 10, /* s-: Call should be on exclusive connection */ RXRPC_UPGRADE_SERVICE = 11, /* s-: Request service upgrade for client call */ RXRPC_TX_LENGTH = 12, /* s-: Total length of Tx data */ RXRPC_SET_CALL_TIMEOUT = 13, /* s-: Set one or more call timeouts */ + RXRPC_CHARGE_ACCEPT = 14, /* s-: Charge the accept pool with a user call ID */ RXRPC__SUPPORTED }; diff --git a/include/uapi/linux/snmp.h b/include/uapi/linux/snmp.h index cee9f8e6fce315..f84e7bcad6deb0 100644 --- a/include/uapi/linux/snmp.h +++ b/include/uapi/linux/snmp.h @@ -288,6 +288,7 @@ enum LINUX_MIB_TCPTIMEOUTREHASH, /* TCPTimeoutRehash */ LINUX_MIB_TCPDUPLICATEDATAREHASH, /* TCPDuplicateDataRehash */ LINUX_MIB_TCPDSACKRECVSEGS, /* TCPDSACKRecvSegs */ + LINUX_MIB_TCPDSACKIGNOREDDUBIOUS, /* TCPDSACKIgnoredDubious */ __LINUX_MIB_MAX }; diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h index c7b70ff53bc1dd..235db7754606d6 100644 --- a/include/uapi/linux/videodev2.h +++ b/include/uapi/linux/videodev2.h @@ -191,8 +191,6 @@ enum v4l2_memory { V4L2_MEMORY_DMABUF = 4, }; -#define V4L2_FLAG_MEMORY_NON_CONSISTENT (1 << 0) - /* see also http://vektor.theorem.ca/graphics/ycbcr/ */ enum v4l2_colorspace { /* @@ -949,10 +947,7 @@ struct v4l2_requestbuffers { __u32 type; /* enum v4l2_buf_type */ __u32 memory; /* enum v4l2_memory */ __u32 capabilities; - union { - __u32 flags; - __u32 reserved[1]; - }; + __u32 reserved[1]; }; /* capabilities for struct v4l2_requestbuffers and v4l2_create_buffers */ @@ -2456,9 +2451,6 @@ struct v4l2_dbg_chip_info { * @memory: enum v4l2_memory; buffer memory type * @format: frame format, for which buffers are requested * @capabilities: capabilities of this buffer type. - * @flags: additional buffer management attributes (ignored unless the - * queue has V4L2_BUF_CAP_SUPPORTS_MMAP_CACHE_HINTS capability - * and configured for MMAP streaming I/O). * @reserved: future extensions */ struct v4l2_create_buffers { @@ -2467,8 +2459,7 @@ struct v4l2_create_buffers { __u32 memory; struct v4l2_format format; __u32 capabilities; - __u32 flags; - __u32 reserved[6]; + __u32 reserved[7]; }; /* diff --git a/include/xen/arm/page.h b/include/xen/arm/page.h index d7f6af50e200bf..ac1b654705631d 100644 --- a/include/xen/arm/page.h +++ b/include/xen/arm/page.h @@ -76,9 +76,16 @@ static inline unsigned long bfn_to_pfn(unsigned long bfn) #define bfn_to_local_pfn(bfn) bfn_to_pfn(bfn) /* VIRT <-> GUEST conversion */ -#define virt_to_gfn(v) (pfn_to_gfn(virt_to_phys(v) >> XEN_PAGE_SHIFT)) +#define virt_to_gfn(v) \ + ({ \ + WARN_ON_ONCE(!virt_addr_valid(v)); \ + pfn_to_gfn(virt_to_phys(v) >> XEN_PAGE_SHIFT); \ + }) #define gfn_to_virt(m) (__va(gfn_to_pfn(m) << XEN_PAGE_SHIFT)) +#define percpu_to_gfn(v) \ + (pfn_to_gfn(per_cpu_ptr_to_phys(v) >> XEN_PAGE_SHIFT)) + /* Only used in PV code. But ARM guests are always HVM. */ static inline xmaddr_t arbitrary_virt_to_machine(void *vaddr) { diff --git a/include/xen/balloon.h b/include/xen/balloon.h index 6fb95aa194051f..6dbdb0b3fd03da 100644 --- a/include/xen/balloon.h +++ b/include/xen/balloon.h @@ -2,6 +2,8 @@ /****************************************************************************** * Xen balloon functionality */ +#ifndef _XEN_BALLOON_H +#define _XEN_BALLOON_H #define RETRY_UNLIMITED 0 @@ -34,3 +36,5 @@ static inline void xen_balloon_init(void) { } #endif + +#endif /* _XEN_BALLOON_H */ diff --git a/include/xen/xen.h b/include/xen/xen.h index 19a72f591e2bdc..43efba045acc7e 100644 --- a/include/xen/xen.h +++ b/include/xen/xen.h @@ -52,4 +52,13 @@ bool xen_biovec_phys_mergeable(const struct bio_vec *vec1, extern u64 xen_saved_max_mem_size; #endif +#ifdef CONFIG_XEN_UNPOPULATED_ALLOC +int xen_alloc_unpopulated_pages(unsigned int nr_pages, struct page **pages); +void xen_free_unpopulated_pages(unsigned int nr_pages, struct page **pages); +#else +#define xen_alloc_unpopulated_pages alloc_xenballooned_pages +#define xen_free_unpopulated_pages free_xenballooned_pages +#include <xen/balloon.h> +#endif + #endif /* _XEN_XEN_H */ diff --git a/init/initramfs.c b/init/initramfs.c index e6dbfb767057df..1f97c0328a7ae7 100644 --- a/init/initramfs.c +++ b/init/initramfs.c @@ -297,7 +297,7 @@ static void __init clean_path(char *path, umode_t fmode) { struct kstat st; - if (init_stat(path, &st, AT_SYMLINK_NOFOLLOW) && + if (!init_stat(path, &st, AT_SYMLINK_NOFOLLOW) && (st.mode ^ fmode) & S_IFMT) { if (S_ISDIR(st.mode)) init_rmdir(path); diff --git a/init/main.c b/init/main.c index ae78fb68d23105..e880b4ecb31474 100644 --- a/init/main.c +++ b/init/main.c @@ -33,6 +33,7 @@ #include <linux/nmi.h> #include <linux/percpu.h> #include <linux/kmod.h> +#include <linux/kprobes.h> #include <linux/vmalloc.h> #include <linux/kernel_stat.h> #include <linux/start_kernel.h> @@ -303,7 +304,7 @@ static void * __init get_boot_config_from_initrd(u32 *_size, u32 *_csum) #ifdef CONFIG_BOOT_CONFIG -char xbc_namebuf[XBC_KEYLEN_MAX] __initdata; +static char xbc_namebuf[XBC_KEYLEN_MAX] __initdata; #define rest(dst, end) ((end) > (dst) ? (end) - (dst) : 0) @@ -1402,6 +1403,7 @@ static int __ref kernel_init(void *unused) kernel_init_freeable(); /* need to finish all async __init code before freeing the memory */ async_synchronize_full(); + kprobe_free_init_mem(); ftrace_free_init_mem(); free_initmem(); mark_readonly(); diff --git a/ipc/ipc_sysctl.c b/ipc/ipc_sysctl.c index d1b8644bfb884c..3f312bf2b11638 100644 --- a/ipc/ipc_sysctl.c +++ b/ipc/ipc_sysctl.c @@ -85,7 +85,7 @@ static int proc_ipc_auto_msgmni(struct ctl_table *table, int write, } static int proc_ipc_sem_dointvec(struct ctl_table *table, int write, - void __user *buffer, size_t *lenp, loff_t *ppos) + void *buffer, size_t *lenp, loff_t *ppos) { int ret, semmni; struct ipc_namespace *ns = current->nsproxy->ipc_ns; diff --git a/ipc/sem.c b/ipc/sem.c index 8c0244e0365eb6..f6c30a85dadf9c 100644 --- a/ipc/sem.c +++ b/ipc/sem.c @@ -1691,7 +1691,7 @@ static long ksys_semctl(int semid, int semnum, int cmd, unsigned long arg, int v case IPC_SET: if (copy_semid_from_user(&semid64, p, version)) return -EFAULT; - /* fall through */ + fallthrough; case IPC_RMID: return semctl_down(ns, semid, cmd, &semid64); default: @@ -1805,7 +1805,7 @@ static long compat_ksys_semctl(int semid, int semnum, int cmd, int arg, int vers case IPC_SET: if (copy_compat_semid_from_user(&semid64, p, version)) return -EFAULT; - /* fallthru */ + fallthrough; case IPC_RMID: return semctl_down(ns, semid, cmd, &semid64); default: diff --git a/ipc/shm.c b/ipc/shm.c index f1ed36e3ac9fe3..e25c7c6106bcf7 100644 --- a/ipc/shm.c +++ b/ipc/shm.c @@ -1179,7 +1179,7 @@ static long ksys_shmctl(int shmid, int cmd, struct shmid_ds __user *buf, int ver case IPC_SET: if (copy_shmid_from_user(&sem64, buf, version)) return -EFAULT; - /* fallthru */ + fallthrough; case IPC_RMID: return shmctl_down(ns, shmid, cmd, &sem64); case SHM_LOCK: @@ -1374,7 +1374,7 @@ static long compat_ksys_shmctl(int shmid, int cmd, void __user *uptr, int versio case IPC_SET: if (copy_compat_shmid_from_user(&sem64, uptr, version)) return -EFAULT; - /* fallthru */ + fallthrough; case IPC_RMID: return shmctl_down(ns, shmid, cmd, &sem64); case SHM_LOCK: diff --git a/kernel/auditfilter.c b/kernel/auditfilter.c index a10e2997aa6c8a..333b3bcfc5458f 100644 --- a/kernel/auditfilter.c +++ b/kernel/auditfilter.c @@ -681,7 +681,7 @@ static struct audit_rule_data *audit_krule_to_data(struct audit_krule *krule) data->values[i] = AUDIT_UID_UNSET; break; } - /* fall through - if set */ + fallthrough; /* if set */ default: data->values[i] = f->val; } diff --git a/kernel/bpf/cgroup.c b/kernel/bpf/cgroup.c index 83ff127ef7ae43..e21de4f1754c2c 100644 --- a/kernel/bpf/cgroup.c +++ b/kernel/bpf/cgroup.c @@ -1794,7 +1794,7 @@ static bool cg_sockopt_is_valid_access(int off, int size, return prog->expected_attach_type == BPF_CGROUP_GETSOCKOPT; case offsetof(struct bpf_sockopt, optname): - /* fallthrough */ + fallthrough; case offsetof(struct bpf_sockopt, level): if (size != size_default) return false; diff --git a/kernel/bpf/cpumap.c b/kernel/bpf/cpumap.c index f1c46529929bd3..6386b7bb98f2c6 100644 --- a/kernel/bpf/cpumap.c +++ b/kernel/bpf/cpumap.c @@ -279,7 +279,7 @@ static int cpu_map_bpf_prog_run_xdp(struct bpf_cpu_map_entry *rcpu, break; default: bpf_warn_invalid_xdp_action(act); - /* fallthrough */ + fallthrough; case XDP_DROP: xdp_return_frame(xdpf); stats->drop++; diff --git a/kernel/bpf/hashtab.c b/kernel/bpf/hashtab.c index 78dfff6a501b96..7df28a45c66bf3 100644 --- a/kernel/bpf/hashtab.c +++ b/kernel/bpf/hashtab.c @@ -1622,7 +1622,6 @@ struct bpf_iter_seq_hash_map_info { struct bpf_map *map; struct bpf_htab *htab; void *percpu_value_buf; // non-zero means percpu hash - unsigned long flags; u32 bucket_id; u32 skip_elems; }; @@ -1632,7 +1631,6 @@ bpf_hash_map_seq_find_next(struct bpf_iter_seq_hash_map_info *info, struct htab_elem *prev_elem) { const struct bpf_htab *htab = info->htab; - unsigned long flags = info->flags; u32 skip_elems = info->skip_elems; u32 bucket_id = info->bucket_id; struct hlist_nulls_head *head; @@ -1656,19 +1654,18 @@ bpf_hash_map_seq_find_next(struct bpf_iter_seq_hash_map_info *info, /* not found, unlock and go to the next bucket */ b = &htab->buckets[bucket_id++]; - htab_unlock_bucket(htab, b, flags); + rcu_read_unlock(); skip_elems = 0; } for (i = bucket_id; i < htab->n_buckets; i++) { b = &htab->buckets[i]; - flags = htab_lock_bucket(htab, b); + rcu_read_lock(); count = 0; head = &b->head; hlist_nulls_for_each_entry_rcu(elem, n, head, hash_node) { if (count >= skip_elems) { - info->flags = flags; info->bucket_id = i; info->skip_elems = count; return elem; @@ -1676,7 +1673,7 @@ bpf_hash_map_seq_find_next(struct bpf_iter_seq_hash_map_info *info, count++; } - htab_unlock_bucket(htab, b, flags); + rcu_read_unlock(); skip_elems = 0; } @@ -1754,14 +1751,10 @@ static int bpf_hash_map_seq_show(struct seq_file *seq, void *v) static void bpf_hash_map_seq_stop(struct seq_file *seq, void *v) { - struct bpf_iter_seq_hash_map_info *info = seq->private; - if (!v) (void)__bpf_hash_map_seq_show(seq, NULL); else - htab_unlock_bucket(info->htab, - &info->htab->buckets[info->bucket_id], - info->flags); + rcu_read_unlock(); } static int bpf_iter_init_hash_map(void *priv_data, diff --git a/kernel/bpf/inode.c b/kernel/bpf/inode.c index fb878ba3f22f03..18f4969552ac2f 100644 --- a/kernel/bpf/inode.c +++ b/kernel/bpf/inode.c @@ -226,10 +226,12 @@ static void *map_seq_next(struct seq_file *m, void *v, loff_t *pos) else prev_key = key; + rcu_read_lock(); if (map->ops->map_get_next_key(map, prev_key, key)) { map_iter(m)->done = true; - return NULL; + key = NULL; } + rcu_read_unlock(); return key; } diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c index 86299a292214a8..b999e7ff2583b5 100644 --- a/kernel/bpf/syscall.c +++ b/kernel/bpf/syscall.c @@ -2029,7 +2029,7 @@ bpf_prog_load_check_attach(enum bpf_prog_type prog_type, case BPF_PROG_TYPE_EXT: if (expected_attach_type) return -EINVAL; - /* fallthrough */ + fallthrough; default: return 0; } @@ -2634,7 +2634,7 @@ static int bpf_raw_tp_link_fill_link_info(const struct bpf_link *link, u32 ulen = info->raw_tracepoint.tp_name_len; size_t tp_len = strlen(tp_name); - if (ulen && !ubuf) + if (!ulen ^ !ubuf) return -EINVAL; info->raw_tracepoint.tp_name_len = tp_len + 1; diff --git a/kernel/bpf/sysfs_btf.c b/kernel/bpf/sysfs_btf.c index 3b495773de5aef..11b3380887fa04 100644 --- a/kernel/bpf/sysfs_btf.c +++ b/kernel/bpf/sysfs_btf.c @@ -30,15 +30,15 @@ static struct kobject *btf_kobj; static int __init btf_vmlinux_init(void) { - if (!__start_BTF) + bin_attr_btf_vmlinux.size = __stop_BTF - __start_BTF; + + if (!__start_BTF || bin_attr_btf_vmlinux.size == 0) return 0; btf_kobj = kobject_create_and_add("btf", kernel_kobj); if (!btf_kobj) return -ENOMEM; - bin_attr_btf_vmlinux.size = __stop_BTF - __start_BTF; - return sysfs_create_bin_file(btf_kobj, &bin_attr_btf_vmlinux); } diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c index ef938f17b94433..fba52d9ec8fc41 100644 --- a/kernel/bpf/verifier.c +++ b/kernel/bpf/verifier.c @@ -5236,7 +5236,7 @@ static int adjust_ptr_min_max_vals(struct bpf_verifier_env *env, off_reg == dst_reg ? dst : src); return -EACCES; } - /* fall-through */ + fallthrough; default: break; } @@ -5667,8 +5667,8 @@ static void scalar32_min_max_or(struct bpf_reg_state *dst_reg, bool src_known = tnum_subreg_is_const(src_reg->var_off); bool dst_known = tnum_subreg_is_const(dst_reg->var_off); struct tnum var32_off = tnum_subreg(dst_reg->var_off); - s32 smin_val = src_reg->smin_value; - u32 umin_val = src_reg->umin_value; + s32 smin_val = src_reg->s32_min_value; + u32 umin_val = src_reg->u32_min_value; /* Assuming scalar64_min_max_or will be called so it is safe * to skip updating register for known case. @@ -5691,8 +5691,8 @@ static void scalar32_min_max_or(struct bpf_reg_state *dst_reg, /* ORing two positives gives a positive, so safe to * cast result into s64. */ - dst_reg->s32_min_value = dst_reg->umin_value; - dst_reg->s32_max_value = dst_reg->umax_value; + dst_reg->s32_min_value = dst_reg->u32_min_value; + dst_reg->s32_max_value = dst_reg->u32_max_value; } } @@ -10988,7 +10988,7 @@ static int check_attach_btf_id(struct bpf_verifier_env *env) default: if (!prog_extension) return -EINVAL; - /* fallthrough */ + fallthrough; case BPF_MODIFY_RETURN: case BPF_LSM_MAC: case BPF_TRACE_FENTRY: diff --git a/kernel/capability.c b/kernel/capability.c index 1444f3954d750b..7c59b096c98aee 100644 --- a/kernel/capability.c +++ b/kernel/capability.c @@ -93,7 +93,7 @@ static int cap_validate_magic(cap_user_header_t header, unsigned *tocopy) break; case _LINUX_CAPABILITY_VERSION_2: warn_deprecated_v2(); - /* fall through - v3 is otherwise equivalent to v2. */ + fallthrough; /* v3 is otherwise equivalent to v2 */ case _LINUX_CAPABILITY_VERSION_3: *tocopy = _LINUX_CAPABILITY_U32S_3; break; diff --git a/kernel/compat.c b/kernel/compat.c index b8d2800bb4b719..05adfd6fa8bf9d 100644 --- a/kernel/compat.c +++ b/kernel/compat.c @@ -255,11 +255,11 @@ get_compat_sigset(sigset_t *set, const compat_sigset_t __user *compat) return -EFAULT; switch (_NSIG_WORDS) { case 4: set->sig[3] = v.sig[6] | (((long)v.sig[7]) << 32 ); - /* fall through */ + fallthrough; case 3: set->sig[2] = v.sig[4] | (((long)v.sig[5]) << 32 ); - /* fall through */ + fallthrough; case 2: set->sig[1] = v.sig[2] | (((long)v.sig[3]) << 32 ); - /* fall through */ + fallthrough; case 1: set->sig[0] = v.sig[0] | (((long)v.sig[1]) << 32 ); } #else diff --git a/kernel/debug/gdbstub.c b/kernel/debug/gdbstub.c index a790026e42d010..cc3c43dfec4493 100644 --- a/kernel/debug/gdbstub.c +++ b/kernel/debug/gdbstub.c @@ -1046,14 +1046,14 @@ int gdb_serial_stub(struct kgdb_state *ks) return DBG_PASS_EVENT; } #endif - /* Fall through */ + fallthrough; case 'C': /* Exception passing */ tmp = gdb_cmd_exception_pass(ks); if (tmp > 0) goto default_handle; if (tmp == 0) break; - /* Fall through - on tmp < 0 */ + fallthrough; /* on tmp < 0 */ case 'c': /* Continue packet */ case 's': /* Single step packet */ if (kgdb_contthread && kgdb_contthread != current) { @@ -1062,7 +1062,7 @@ int gdb_serial_stub(struct kgdb_state *ks) break; } dbg_activate_sw_breakpoints(); - /* Fall through - to default processing */ + fallthrough; /* to default processing */ default: default_handle: error = kgdb_arch_handle_exception(ks->ex_vector, diff --git a/kernel/debug/kdb/kdb_keyboard.c b/kernel/debug/kdb/kdb_keyboard.c index 750497b0003a6d..f877a0a0d7cf2f 100644 --- a/kernel/debug/kdb/kdb_keyboard.c +++ b/kernel/debug/kdb/kdb_keyboard.c @@ -173,11 +173,11 @@ int kdb_get_kbd_char(void) case KT_LATIN: if (isprint(keychar)) break; /* printable characters */ - /* fall through */ + fallthrough; case KT_SPEC: if (keychar == K_ENTER) break; - /* fall through */ + fallthrough; default: return -1; /* ignore unprintables */ } diff --git a/kernel/debug/kdb/kdb_support.c b/kernel/debug/kdb/kdb_support.c index 004c5b6c87f89a..6226502ce04991 100644 --- a/kernel/debug/kdb/kdb_support.c +++ b/kernel/debug/kdb/kdb_support.c @@ -432,7 +432,7 @@ int kdb_getphysword(unsigned long *word, unsigned long addr, size_t size) *word = w8; break; } - /* fall through */ + fallthrough; default: diag = KDB_BADWIDTH; kdb_printf("kdb_getphysword: bad width %ld\n", (long) size); @@ -481,7 +481,7 @@ int kdb_getword(unsigned long *word, unsigned long addr, size_t size) *word = w8; break; } - /* fall through */ + fallthrough; default: diag = KDB_BADWIDTH; kdb_printf("kdb_getword: bad width %ld\n", (long) size); @@ -525,7 +525,7 @@ int kdb_putword(unsigned long addr, unsigned long word, size_t size) diag = kdb_putarea(addr, w8); break; } - /* fall through */ + fallthrough; default: diag = KDB_BADWIDTH; kdb_printf("kdb_putword: bad width %ld\n", (long) size); diff --git a/kernel/dma/pool.c b/kernel/dma/pool.c index 06582b488e3174..1281c0f0442bc5 100644 --- a/kernel/dma/pool.c +++ b/kernel/dma/pool.c @@ -84,7 +84,7 @@ static int atomic_pool_expand(struct gen_pool *pool, size_t pool_size, gfp_t gfp) { unsigned int order; - struct page *page; + struct page *page = NULL; void *addr; int ret = -ENOMEM; diff --git a/kernel/entry/common.c b/kernel/entry/common.c index fcae019158cad4..6fdb6105e6d612 100644 --- a/kernel/entry/common.c +++ b/kernel/entry/common.c @@ -60,31 +60,56 @@ static long syscall_trace_enter(struct pt_regs *regs, long syscall, return ret; } + /* Either of the above might have changed the syscall number */ + syscall = syscall_get_nr(current, regs); + if (unlikely(ti_work & _TIF_SYSCALL_TRACEPOINT)) trace_sys_enter(regs, syscall); syscall_enter_audit(regs, syscall); - /* The above might have changed the syscall number */ - return ret ? : syscall_get_nr(current, regs); + return ret ? : syscall; } -noinstr long syscall_enter_from_user_mode(struct pt_regs *regs, long syscall) +static __always_inline long +__syscall_enter_from_user_work(struct pt_regs *regs, long syscall) { unsigned long ti_work; - enter_from_user_mode(regs); - instrumentation_begin(); - - local_irq_enable(); ti_work = READ_ONCE(current_thread_info()->flags); if (ti_work & SYSCALL_ENTER_WORK) syscall = syscall_trace_enter(regs, syscall, ti_work); - instrumentation_end(); return syscall; } +long syscall_enter_from_user_mode_work(struct pt_regs *regs, long syscall) +{ + return __syscall_enter_from_user_work(regs, syscall); +} + +noinstr long syscall_enter_from_user_mode(struct pt_regs *regs, long syscall) +{ + long ret; + + enter_from_user_mode(regs); + + instrumentation_begin(); + local_irq_enable(); + ret = __syscall_enter_from_user_work(regs, syscall); + instrumentation_end(); + + return ret; +} + +noinstr void syscall_enter_from_user_mode_prepare(struct pt_regs *regs) +{ + enter_from_user_mode(regs); + instrumentation_begin(); + local_irq_enable(); + instrumentation_end(); +} + /** * exit_to_user_mode - Fixup state when exiting to user mode * diff --git a/kernel/events/core.c b/kernel/events/core.c index 5bfe8e3c6e443d..7ed5248f0445ea 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -10034,7 +10034,7 @@ perf_event_parse_addr_filter(struct perf_event *event, char *fstr, case IF_SRC_KERNELADDR: case IF_SRC_KERNEL: kernel = 1; - /* fall through */ + fallthrough; case IF_SRC_FILEADDR: case IF_SRC_FILE: diff --git a/kernel/fork.c b/kernel/fork.c index 4d32190861bdc6..da8d360fb0326e 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -589,7 +589,7 @@ static __latent_entropy int dup_mmap(struct mm_struct *mm, mm->map_count++; if (!(tmp->vm_flags & VM_WIPEONFORK)) - retval = copy_page_range(mm, oldmm, mpnt); + retval = copy_page_range(mm, oldmm, mpnt, tmp); if (tmp->vm_ops && tmp->vm_ops->open) tmp->vm_ops->open(tmp); @@ -1011,6 +1011,7 @@ static struct mm_struct *mm_init(struct mm_struct *mm, struct task_struct *p, mm_pgtables_bytes_init(mm); mm->map_count = 0; mm->locked_vm = 0; + atomic_set(&mm->has_pinned, 0); atomic64_set(&mm->pinned_vm, 0); memset(&mm->rss_stat, 0, sizeof(mm->rss_stat)); spin_lock_init(&mm->page_table_lock); @@ -3014,7 +3015,7 @@ int unshare_files(struct files_struct **displaced) } int sysctl_max_threads(struct ctl_table *table, int write, - void __user *buffer, size_t *lenp, loff_t *ppos) + void *buffer, size_t *lenp, loff_t *ppos) { struct ctl_table t; int ret; diff --git a/kernel/gcov/gcc_4_7.c b/kernel/gcov/gcc_4_7.c index 908fdf5098c32e..53c67c87f141bb 100644 --- a/kernel/gcov/gcc_4_7.c +++ b/kernel/gcov/gcc_4_7.c @@ -19,7 +19,9 @@ #include <linux/vmalloc.h> #include "gcov.h" -#if (__GNUC__ >= 7) +#if (__GNUC__ >= 10) +#define GCOV_COUNTERS 8 +#elif (__GNUC__ >= 7) #define GCOV_COUNTERS 9 #elif (__GNUC__ > 5) || (__GNUC__ == 5 && __GNUC_MINOR__ >= 1) #define GCOV_COUNTERS 10 diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c index a8e14c80b405bd..762a928e18f925 100644 --- a/kernel/irq/handle.c +++ b/kernel/irq/handle.c @@ -173,7 +173,7 @@ irqreturn_t __handle_irq_event_percpu(struct irq_desc *desc, unsigned int *flags __irq_wake_thread(desc, action); - /* Fall through - to add to randomness */ + fallthrough; /* to add to randomness */ case IRQ_HANDLED: *flags |= action->flags; break; diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c index 52ac5391dcc6c5..5df903fccb6094 100644 --- a/kernel/irq/manage.c +++ b/kernel/irq/manage.c @@ -271,7 +271,7 @@ int irq_do_set_affinity(struct irq_data *data, const struct cpumask *mask, case IRQ_SET_MASK_OK: case IRQ_SET_MASK_OK_DONE: cpumask_copy(desc->irq_common_data.affinity, mask); - /* fall through */ + fallthrough; case IRQ_SET_MASK_OK_NOCOPY: irq_validate_effective_affinity(data); irq_set_thread_affinity(desc); @@ -868,7 +868,7 @@ int __irq_set_trigger(struct irq_desc *desc, unsigned long flags) case IRQ_SET_MASK_OK_DONE: irqd_clear(&desc->irq_data, IRQD_TRIGGER_MASK); irqd_set(&desc->irq_data, flags); - /* fall through */ + fallthrough; case IRQ_SET_MASK_OK_NOCOPY: flags = irqd_get_trigger_type(&desc->irq_data); diff --git a/kernel/irq/matrix.c b/kernel/irq/matrix.c index 30cc217b863184..651a4ad6d711f8 100644 --- a/kernel/irq/matrix.c +++ b/kernel/irq/matrix.c @@ -380,6 +380,13 @@ int irq_matrix_alloc(struct irq_matrix *m, const struct cpumask *msk, unsigned int cpu, bit; struct cpumap *cm; + /* + * Not required in theory, but matrix_find_best_cpu() uses + * for_each_cpu() which ignores the cpumask on UP . + */ + if (cpumask_empty(msk)) + return -EINVAL; + cpu = matrix_find_best_cpu(m, msk); if (cpu == UINT_MAX) return -ENOSPC; diff --git a/kernel/kallsyms.c b/kernel/kallsyms.c index 95cb74f7329255..4fb15fa96734b4 100644 --- a/kernel/kallsyms.c +++ b/kernel/kallsyms.c @@ -684,12 +684,12 @@ bool kallsyms_show_value(const struct cred *cred) case 0: if (kallsyms_for_perf()) return true; - /* fallthrough */ + fallthrough; case 1: if (security_capable(cred, &init_user_ns, CAP_SYSLOG, CAP_OPT_NOAUDIT) == 0) return true; - /* fallthrough */ + fallthrough; default: return false; } diff --git a/kernel/kprobes.c b/kernel/kprobes.c index 287b263c9cb957..e995541d277d4e 100644 --- a/kernel/kprobes.c +++ b/kernel/kprobes.c @@ -2140,6 +2140,9 @@ static void kill_kprobe(struct kprobe *p) lockdep_assert_held(&kprobe_mutex); + if (WARN_ON_ONCE(kprobe_gone(p))) + return; + p->flags |= KPROBE_FLAG_GONE; if (kprobe_aggrprobe(p)) { /* @@ -2159,9 +2162,10 @@ static void kill_kprobe(struct kprobe *p) /* * The module is going away. We should disarm the kprobe which - * is using ftrace. + * is using ftrace, because ftrace framework is still available at + * MODULE_STATE_GOING notification. */ - if (kprobe_ftrace(p)) + if (kprobe_ftrace(p) && !kprobe_disabled(p) && !kprobes_all_disarmed) disarm_kprobe_ftrace(p); } @@ -2419,7 +2423,10 @@ static int kprobes_module_callback(struct notifier_block *nb, mutex_lock(&kprobe_mutex); for (i = 0; i < KPROBE_TABLE_SIZE; i++) { head = &kprobe_table[i]; - hlist_for_each_entry(p, head, hlist) + hlist_for_each_entry(p, head, hlist) { + if (kprobe_gone(p)) + continue; + if (within_module_init((unsigned long)p->addr, mod) || (checkcore && within_module_core((unsigned long)p->addr, mod))) { @@ -2436,6 +2443,7 @@ static int kprobes_module_callback(struct notifier_block *nb, */ kill_kprobe(p); } + } } if (val == MODULE_STATE_GOING) remove_module_kprobe_blacklist(mod); @@ -2452,6 +2460,28 @@ static struct notifier_block kprobe_module_nb = { extern unsigned long __start_kprobe_blacklist[]; extern unsigned long __stop_kprobe_blacklist[]; +void kprobe_free_init_mem(void) +{ + void *start = (void *)(&__init_begin); + void *end = (void *)(&__init_end); + struct hlist_head *head; + struct kprobe *p; + int i; + + mutex_lock(&kprobe_mutex); + + /* Kill all kprobes on initmem */ + for (i = 0; i < KPROBE_TABLE_SIZE; i++) { + head = &kprobe_table[i]; + hlist_for_each_entry(p, head, hlist) { + if (start <= (void *)p->addr && (void *)p->addr < end) + kill_kprobe(p); + } + } + + mutex_unlock(&kprobe_mutex); +} + static int __init init_kprobes(void) { int i, err = 0; diff --git a/kernel/locking/lockdep.c b/kernel/locking/lockdep.c index 9560a4e55277b8..3e99dfef840846 100644 --- a/kernel/locking/lockdep.c +++ b/kernel/locking/lockdep.c @@ -76,6 +76,23 @@ module_param(lock_stat, int, 0644); #define lock_stat 0 #endif +DEFINE_PER_CPU(unsigned int, lockdep_recursion); +EXPORT_PER_CPU_SYMBOL_GPL(lockdep_recursion); + +static inline bool lockdep_enabled(void) +{ + if (!debug_locks) + return false; + + if (raw_cpu_read(lockdep_recursion)) + return false; + + if (current->lockdep_recursion) + return false; + + return true; +} + /* * lockdep_lock: protects the lockdep graph, the hashes and the * class/list/hash allocators. @@ -93,7 +110,7 @@ static inline void lockdep_lock(void) arch_spin_lock(&__lock); __owner = current; - current->lockdep_recursion++; + __this_cpu_inc(lockdep_recursion); } static inline void lockdep_unlock(void) @@ -101,7 +118,7 @@ static inline void lockdep_unlock(void) if (debug_locks && DEBUG_LOCKS_WARN_ON(__owner != current)) return; - current->lockdep_recursion--; + __this_cpu_dec(lockdep_recursion); __owner = NULL; arch_spin_unlock(&__lock); } @@ -408,10 +425,15 @@ void lockdep_init_task(struct task_struct *task) task->lockdep_recursion = 0; } +static __always_inline void lockdep_recursion_inc(void) +{ + __this_cpu_inc(lockdep_recursion); +} + static __always_inline void lockdep_recursion_finish(void) { - if (WARN_ON_ONCE((--current->lockdep_recursion) & LOCKDEP_RECURSION_MASK)) - current->lockdep_recursion = 0; + if (WARN_ON_ONCE(__this_cpu_dec_return(lockdep_recursion))) + __this_cpu_write(lockdep_recursion, 0); } void lockdep_set_selftest_task(struct task_struct *task) @@ -600,6 +622,8 @@ static const char *usage_str[] = #include "lockdep_states.h" #undef LOCKDEP_STATE [LOCK_USED] = "INITIAL USE", + [LOCK_USED_READ] = "INITIAL READ USE", + /* abused as string storage for verify_lock_unused() */ [LOCK_USAGE_STATES] = "IN-NMI", }; #endif @@ -2252,7 +2276,7 @@ static void print_lock_class_header(struct lock_class *class, int depth) #endif printk(KERN_CONT " {\n"); - for (bit = 0; bit < LOCK_USAGE_STATES; bit++) { + for (bit = 0; bit < LOCK_TRACE_STATES; bit++) { if (class->usage_mask & (1 << bit)) { int len = depth; @@ -4033,7 +4057,7 @@ void lockdep_hardirqs_on_prepare(unsigned long ip) if (unlikely(in_nmi())) return; - if (unlikely(current->lockdep_recursion & LOCKDEP_RECURSION_MASK)) + if (unlikely(__this_cpu_read(lockdep_recursion))) return; if (unlikely(lockdep_hardirqs_enabled())) { @@ -4069,7 +4093,7 @@ void lockdep_hardirqs_on_prepare(unsigned long ip) current->hardirq_chain_key = current->curr_chain_key; - current->lockdep_recursion++; + lockdep_recursion_inc(); __trace_hardirqs_on_caller(); lockdep_recursion_finish(); } @@ -4102,7 +4126,7 @@ void noinstr lockdep_hardirqs_on(unsigned long ip) goto skip_checks; } - if (unlikely(current->lockdep_recursion & LOCKDEP_RECURSION_MASK)) + if (unlikely(__this_cpu_read(lockdep_recursion))) return; if (lockdep_hardirqs_enabled()) { @@ -4155,7 +4179,7 @@ void noinstr lockdep_hardirqs_off(unsigned long ip) if (in_nmi()) { if (!IS_ENABLED(CONFIG_TRACE_IRQFLAGS_NMI)) return; - } else if (current->lockdep_recursion & LOCKDEP_RECURSION_MASK) + } else if (__this_cpu_read(lockdep_recursion)) return; /* @@ -4188,7 +4212,7 @@ void lockdep_softirqs_on(unsigned long ip) { struct irqtrace_events *trace = ¤t->irqtrace; - if (unlikely(!debug_locks || current->lockdep_recursion)) + if (unlikely(!lockdep_enabled())) return; /* @@ -4203,7 +4227,7 @@ void lockdep_softirqs_on(unsigned long ip) return; } - current->lockdep_recursion++; + lockdep_recursion_inc(); /* * We'll do an OFF -> ON transition: */ @@ -4226,7 +4250,7 @@ void lockdep_softirqs_on(unsigned long ip) */ void lockdep_softirqs_off(unsigned long ip) { - if (unlikely(!debug_locks || current->lockdep_recursion)) + if (unlikely(!lockdep_enabled())) return; /* @@ -4345,13 +4369,18 @@ static int separate_irq_context(struct task_struct *curr, static int mark_lock(struct task_struct *curr, struct held_lock *this, enum lock_usage_bit new_bit) { - unsigned int new_mask = 1 << new_bit, ret = 1; + unsigned int new_mask, ret = 1; if (new_bit >= LOCK_USAGE_STATES) { DEBUG_LOCKS_WARN_ON(1); return 0; } + if (new_bit == LOCK_USED && this->read) + new_bit = LOCK_USED_READ; + + new_mask = 1 << new_bit; + /* * If already set then do not dirty the cacheline, * nor do any checks: @@ -4364,26 +4393,32 @@ static int mark_lock(struct task_struct *curr, struct held_lock *this, /* * Make sure we didn't race: */ - if (unlikely(hlock_class(this)->usage_mask & new_mask)) { - graph_unlock(); - return 1; - } + if (unlikely(hlock_class(this)->usage_mask & new_mask)) + goto unlock; hlock_class(this)->usage_mask |= new_mask; - if (!(hlock_class(this)->usage_traces[new_bit] = save_trace())) - return 0; + if (new_bit < LOCK_TRACE_STATES) { + if (!(hlock_class(this)->usage_traces[new_bit] = save_trace())) + return 0; + } switch (new_bit) { + case 0 ... LOCK_USED-1: + ret = mark_lock_irq(curr, this, new_bit); + if (!ret) + return 0; + break; + case LOCK_USED: debug_atomic_dec(nr_unused_locks); break; + default: - ret = mark_lock_irq(curr, this, new_bit); - if (!ret) - return 0; + break; } +unlock: graph_unlock(); /* @@ -4596,11 +4631,11 @@ void lockdep_init_map_waits(struct lockdep_map *lock, const char *name, if (subclass) { unsigned long flags; - if (DEBUG_LOCKS_WARN_ON(current->lockdep_recursion)) + if (DEBUG_LOCKS_WARN_ON(!lockdep_enabled())) return; raw_local_irq_save(flags); - current->lockdep_recursion++; + lockdep_recursion_inc(); register_lock_class(lock, subclass, 1); lockdep_recursion_finish(); raw_local_irq_restore(flags); @@ -5283,11 +5318,11 @@ void lock_set_class(struct lockdep_map *lock, const char *name, { unsigned long flags; - if (unlikely(current->lockdep_recursion)) + if (unlikely(!lockdep_enabled())) return; raw_local_irq_save(flags); - current->lockdep_recursion++; + lockdep_recursion_inc(); check_flags(flags); if (__lock_set_class(lock, name, key, subclass, ip)) check_chain_key(current); @@ -5300,11 +5335,11 @@ void lock_downgrade(struct lockdep_map *lock, unsigned long ip) { unsigned long flags; - if (unlikely(current->lockdep_recursion)) + if (unlikely(!lockdep_enabled())) return; raw_local_irq_save(flags); - current->lockdep_recursion++; + lockdep_recursion_inc(); check_flags(flags); if (__lock_downgrade(lock, ip)) check_chain_key(current); @@ -5318,12 +5353,20 @@ static void verify_lock_unused(struct lockdep_map *lock, struct held_lock *hlock { #ifdef CONFIG_PROVE_LOCKING struct lock_class *class = look_up_lock_class(lock, subclass); + unsigned long mask = LOCKF_USED; /* if it doesn't have a class (yet), it certainly hasn't been used yet */ if (!class) return; - if (!(class->usage_mask & LOCK_USED)) + /* + * READ locks only conflict with USED, such that if we only ever use + * READ locks, there is no deadlock possible -- RCU. + */ + if (!hlock->read) + mask |= LOCKF_USED_READ; + + if (!(class->usage_mask & mask)) return; hlock->class_idx = class - lock_classes; @@ -5334,7 +5377,7 @@ static void verify_lock_unused(struct lockdep_map *lock, struct held_lock *hlock static bool lockdep_nmi(void) { - if (current->lockdep_recursion & LOCKDEP_RECURSION_MASK) + if (raw_cpu_read(lockdep_recursion)) return false; if (!in_nmi()) @@ -5369,7 +5412,10 @@ void lock_acquire(struct lockdep_map *lock, unsigned int subclass, trace_lock_acquire(lock, subclass, trylock, read, check, nest_lock, ip); - if (unlikely(current->lockdep_recursion)) { + if (!debug_locks) + return; + + if (unlikely(!lockdep_enabled())) { /* XXX allow trylock from NMI ?!? */ if (lockdep_nmi() && !trylock) { struct held_lock hlock; @@ -5392,7 +5438,7 @@ void lock_acquire(struct lockdep_map *lock, unsigned int subclass, raw_local_irq_save(flags); check_flags(flags); - current->lockdep_recursion++; + lockdep_recursion_inc(); __lock_acquire(lock, subclass, trylock, read, check, irqs_disabled_flags(flags), nest_lock, ip, 0, 0); lockdep_recursion_finish(); @@ -5406,13 +5452,13 @@ void lock_release(struct lockdep_map *lock, unsigned long ip) trace_lock_release(lock, ip); - if (unlikely(current->lockdep_recursion)) + if (unlikely(!lockdep_enabled())) return; raw_local_irq_save(flags); check_flags(flags); - current->lockdep_recursion++; + lockdep_recursion_inc(); if (__lock_release(lock, ip)) check_chain_key(current); lockdep_recursion_finish(); @@ -5425,13 +5471,13 @@ noinstr int lock_is_held_type(const struct lockdep_map *lock, int read) unsigned long flags; int ret = 0; - if (unlikely(current->lockdep_recursion)) + if (unlikely(!lockdep_enabled())) return 1; /* avoid false negative lockdep_assert_held() */ raw_local_irq_save(flags); check_flags(flags); - current->lockdep_recursion++; + lockdep_recursion_inc(); ret = __lock_is_held(lock, read); lockdep_recursion_finish(); raw_local_irq_restore(flags); @@ -5446,13 +5492,13 @@ struct pin_cookie lock_pin_lock(struct lockdep_map *lock) struct pin_cookie cookie = NIL_COOKIE; unsigned long flags; - if (unlikely(current->lockdep_recursion)) + if (unlikely(!lockdep_enabled())) return cookie; raw_local_irq_save(flags); check_flags(flags); - current->lockdep_recursion++; + lockdep_recursion_inc(); cookie = __lock_pin_lock(lock); lockdep_recursion_finish(); raw_local_irq_restore(flags); @@ -5465,13 +5511,13 @@ void lock_repin_lock(struct lockdep_map *lock, struct pin_cookie cookie) { unsigned long flags; - if (unlikely(current->lockdep_recursion)) + if (unlikely(!lockdep_enabled())) return; raw_local_irq_save(flags); check_flags(flags); - current->lockdep_recursion++; + lockdep_recursion_inc(); __lock_repin_lock(lock, cookie); lockdep_recursion_finish(); raw_local_irq_restore(flags); @@ -5482,13 +5528,13 @@ void lock_unpin_lock(struct lockdep_map *lock, struct pin_cookie cookie) { unsigned long flags; - if (unlikely(current->lockdep_recursion)) + if (unlikely(!lockdep_enabled())) return; raw_local_irq_save(flags); check_flags(flags); - current->lockdep_recursion++; + lockdep_recursion_inc(); __lock_unpin_lock(lock, cookie); lockdep_recursion_finish(); raw_local_irq_restore(flags); @@ -5618,15 +5664,12 @@ void lock_contended(struct lockdep_map *lock, unsigned long ip) trace_lock_acquired(lock, ip); - if (unlikely(!lock_stat || !debug_locks)) - return; - - if (unlikely(current->lockdep_recursion)) + if (unlikely(!lock_stat || !lockdep_enabled())) return; raw_local_irq_save(flags); check_flags(flags); - current->lockdep_recursion++; + lockdep_recursion_inc(); __lock_contended(lock, ip); lockdep_recursion_finish(); raw_local_irq_restore(flags); @@ -5639,15 +5682,12 @@ void lock_acquired(struct lockdep_map *lock, unsigned long ip) trace_lock_contended(lock, ip); - if (unlikely(!lock_stat || !debug_locks)) - return; - - if (unlikely(current->lockdep_recursion)) + if (unlikely(!lock_stat || !lockdep_enabled())) return; raw_local_irq_save(flags); check_flags(flags); - current->lockdep_recursion++; + lockdep_recursion_inc(); __lock_acquired(lock, ip); lockdep_recursion_finish(); raw_local_irq_restore(flags); diff --git a/kernel/locking/lockdep_internals.h b/kernel/locking/lockdep_internals.h index baca699b94e91d..de49f9e1c11ba8 100644 --- a/kernel/locking/lockdep_internals.h +++ b/kernel/locking/lockdep_internals.h @@ -19,9 +19,13 @@ enum lock_usage_bit { #include "lockdep_states.h" #undef LOCKDEP_STATE LOCK_USED, - LOCK_USAGE_STATES + LOCK_USED_READ, + LOCK_USAGE_STATES, }; +/* states after LOCK_USED_READ are not traced and printed */ +static_assert(LOCK_TRACE_STATES == LOCK_USAGE_STATES); + #define LOCK_USAGE_READ_MASK 1 #define LOCK_USAGE_DIR_MASK 2 #define LOCK_USAGE_STATE_MASK (~(LOCK_USAGE_READ_MASK | LOCK_USAGE_DIR_MASK)) @@ -40,6 +44,7 @@ enum { #include "lockdep_states.h" #undef LOCKDEP_STATE __LOCKF(USED) + __LOCKF(USED_READ) }; #define LOCKDEP_STATE(__STATE) LOCKF_ENABLED_##__STATE | @@ -119,7 +124,7 @@ static const unsigned long LOCKF_USED_IN_IRQ_READ = extern struct list_head all_lock_classes; extern struct lock_chain lock_chains[]; -#define LOCK_USAGE_CHARS (1+LOCK_USAGE_STATES/2) +#define LOCK_USAGE_CHARS (2*XXX_LOCK_USAGE_STATES + 1) extern void get_usage_chars(struct lock_class *class, char usage[LOCK_USAGE_CHARS]); diff --git a/kernel/locking/percpu-rwsem.c b/kernel/locking/percpu-rwsem.c index 8bbafe3e5203d0..70a32a576f3f24 100644 --- a/kernel/locking/percpu-rwsem.c +++ b/kernel/locking/percpu-rwsem.c @@ -45,7 +45,7 @@ EXPORT_SYMBOL_GPL(percpu_free_rwsem); static bool __percpu_down_read_trylock(struct percpu_rw_semaphore *sem) { - __this_cpu_inc(*sem->read_count); + this_cpu_inc(*sem->read_count); /* * Due to having preemption disabled the decrement happens on @@ -71,7 +71,7 @@ static bool __percpu_down_read_trylock(struct percpu_rw_semaphore *sem) if (likely(!atomic_read_acquire(&sem->block))) return true; - __this_cpu_dec(*sem->read_count); + this_cpu_dec(*sem->read_count); /* Prod writer to re-evaluate readers_active_check() */ rcuwait_wake_up(&sem->writer); diff --git a/kernel/padata.c b/kernel/padata.c index 16cb894dc272b1..d4d3ba6e1728a2 100644 --- a/kernel/padata.c +++ b/kernel/padata.c @@ -215,12 +215,13 @@ int padata_do_parallel(struct padata_shell *ps, padata->pd = pd; padata->cb_cpu = *cb_cpu; - rcu_read_unlock_bh(); - spin_lock(&padata_works_lock); padata->seq_nr = ++pd->seq_nr; pw = padata_work_alloc(); spin_unlock(&padata_works_lock); + + rcu_read_unlock_bh(); + if (pw) { padata_work_init(pw, padata_parallel_worker, padata, 0); queue_work(pinst->parallel_wq, &pw->pw_work); diff --git a/kernel/power/hibernate.c b/kernel/power/hibernate.c index f33769f97aca59..e7aa57fb2fdc33 100644 --- a/kernel/power/hibernate.c +++ b/kernel/power/hibernate.c @@ -659,7 +659,7 @@ static void power_down(void) break; case HIBERNATION_PLATFORM: hibernation_platform_enter(); - /* Fall through */ + fallthrough; case HIBERNATION_SHUTDOWN: if (pm_power_off) kernel_power_off(); diff --git a/kernel/power/qos.c b/kernel/power/qos.c index db0bed2cae26f1..ec7e1e85923e43 100644 --- a/kernel/power/qos.c +++ b/kernel/power/qos.c @@ -119,7 +119,7 @@ int pm_qos_update_target(struct pm_qos_constraints *c, struct plist_node *node, * and add, then see if the aggregate has changed. */ plist_del(node, &c->list); - /* fall through */ + fallthrough; case PM_QOS_ADD_REQ: plist_node_init(node, new_value); plist_add(node, &c->list); @@ -188,7 +188,7 @@ bool pm_qos_update_flags(struct pm_qos_flags *pqf, break; case PM_QOS_UPDATE_REQ: pm_qos_flags_remove_req(pqf, req); - /* fall through */ + fallthrough; case PM_QOS_ADD_REQ: req->flags = val; INIT_LIST_HEAD(&req->node); diff --git a/kernel/rcu/tasks.h b/kernel/rcu/tasks.h index 835e2df8590ae8..05d3e1375e4cab 100644 --- a/kernel/rcu/tasks.h +++ b/kernel/rcu/tasks.h @@ -590,7 +590,7 @@ void exit_tasks_rcu_finish(void) __releases(&tasks_rcu_exit_srcu) } #else /* #ifdef CONFIG_TASKS_RCU */ -static void show_rcu_tasks_classic_gp_kthread(void) { } +static inline void show_rcu_tasks_classic_gp_kthread(void) { } void exit_tasks_rcu_start(void) { } void exit_tasks_rcu_finish(void) { exit_tasks_rcu_finish_trace(current); } #endif /* #else #ifdef CONFIG_TASKS_RCU */ diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c index 8ce77d9ac716c5..f78ee759af9cb5 100644 --- a/kernel/rcu/tree.c +++ b/kernel/rcu/tree.c @@ -673,6 +673,7 @@ void rcu_idle_enter(void) lockdep_assert_irqs_disabled(); rcu_eqs_enter(false); } +EXPORT_SYMBOL_GPL(rcu_idle_enter); #ifdef CONFIG_NO_HZ_FULL /** @@ -886,6 +887,7 @@ void rcu_idle_exit(void) rcu_eqs_exit(false); local_irq_restore(flags); } +EXPORT_SYMBOL_GPL(rcu_idle_exit); #ifdef CONFIG_NO_HZ_FULL /** diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 8471a0f7eb3228..2d95dc3f46444e 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -2320,7 +2320,7 @@ static int select_fallback_rq(int cpu, struct task_struct *p) state = possible; break; } - /* Fall-through */ + fallthrough; case possible: do_set_cpus_allowed(p, cpu_possible_mask); state = fail; diff --git a/kernel/sched/topology.c b/kernel/sched/topology.c index 007b0a6b015277..1bd7e3af904f6d 100644 --- a/kernel/sched/topology.c +++ b/kernel/sched/topology.c @@ -1219,13 +1219,13 @@ static void __free_domain_allocs(struct s_data *d, enum s_alloc what, case sa_rootdomain: if (!atomic_read(&d->rd->refcount)) free_rootdomain(&d->rd->rcu); - /* Fall through */ + fallthrough; case sa_sd: free_percpu(d->sd); - /* Fall through */ + fallthrough; case sa_sd_storage: __sdt_free(cpu_map); - /* Fall through */ + fallthrough; case sa_none: break; } diff --git a/kernel/seccomp.c b/kernel/seccomp.c index 3ee59ce0a323dc..676d4af621038a 100644 --- a/kernel/seccomp.c +++ b/kernel/seccomp.c @@ -1109,13 +1109,18 @@ out: } #ifdef CONFIG_SECCOMP_FILTER -static int seccomp_notify_release(struct inode *inode, struct file *file) +static void seccomp_notify_free(struct seccomp_filter *filter) +{ + kfree(filter->notif); + filter->notif = NULL; +} + +static void seccomp_notify_detach(struct seccomp_filter *filter) { - struct seccomp_filter *filter = file->private_data; struct seccomp_knotif *knotif; if (!filter) - return 0; + return; mutex_lock(&filter->notify_lock); @@ -1139,9 +1144,15 @@ static int seccomp_notify_release(struct inode *inode, struct file *file) complete(&knotif->ready); } - kfree(filter->notif); - filter->notif = NULL; + seccomp_notify_free(filter); mutex_unlock(&filter->notify_lock); +} + +static int seccomp_notify_release(struct inode *inode, struct file *file) +{ + struct seccomp_filter *filter = file->private_data; + + seccomp_notify_detach(filter); __put_seccomp_filter(filter); return 0; } @@ -1488,7 +1499,7 @@ static struct file *init_listener(struct seccomp_filter *filter) out_notif: if (IS_ERR(ret)) - kfree(filter->notif); + seccomp_notify_free(filter); out: return ret; } @@ -1581,6 +1592,7 @@ out_put_fd: listener_f->private_data = NULL; fput(listener_f); put_unused_fd(listener); + seccomp_notify_detach(prepared); } else { fd_install(listener, listener_f); ret = listener; diff --git a/kernel/signal.c b/kernel/signal.c index 42b67d2cea370a..a38b3edc68511c 100644 --- a/kernel/signal.c +++ b/kernel/signal.c @@ -851,7 +851,7 @@ static int check_kill_permission(int sig, struct kernel_siginfo *info, */ if (!sid || sid == task_session(current)) break; - /* fall through */ + fallthrough; default: return -EPERM; } diff --git a/kernel/stackleak.c b/kernel/stackleak.c index a8fc9ae1d03d95..ce161a8e8d9758 100644 --- a/kernel/stackleak.c +++ b/kernel/stackleak.c @@ -20,7 +20,7 @@ static DEFINE_STATIC_KEY_FALSE(stack_erasing_bypass); int stack_erasing_sysctl(struct ctl_table *table, int write, - void __user *buffer, size_t *lenp, loff_t *ppos) + void *buffer, size_t *lenp, loff_t *ppos) { int ret = 0; int state = !static_branch_unlikely(&stack_erasing_bypass); diff --git a/kernel/sys.c b/kernel/sys.c index ca11af9d815d9d..ab6c409b1159b1 100644 --- a/kernel/sys.c +++ b/kernel/sys.c @@ -1753,7 +1753,7 @@ void getrusage(struct task_struct *p, int who, struct rusage *r) if (who == RUSAGE_CHILDREN) break; - /* fall through */ + fallthrough; case RUSAGE_SELF: thread_group_cputime_adjusted(p, &tgutime, &tgstime); diff --git a/kernel/sysctl.c b/kernel/sysctl.c index 287862f91717a6..afad085960b811 100644 --- a/kernel/sysctl.c +++ b/kernel/sysctl.c @@ -204,8 +204,7 @@ static int max_extfrag_threshold = 1000; #if defined(CONFIG_BPF_SYSCALL) && defined(CONFIG_SYSCTL) static int bpf_stats_handler(struct ctl_table *table, int write, - void __user *buffer, size_t *lenp, - loff_t *ppos) + void *buffer, size_t *lenp, loff_t *ppos) { struct static_key *key = (struct static_key *)table->data; static int saved_val; @@ -2913,6 +2912,14 @@ static struct ctl_table vm_table[] = { .proc_handler = percpu_pagelist_fraction_sysctl_handler, .extra1 = SYSCTL_ZERO, }, + { + .procname = "page_lock_unfairness", + .data = &sysctl_page_lock_unfairness, + .maxlen = sizeof(sysctl_page_lock_unfairness), + .mode = 0644, + .proc_handler = proc_dointvec_minmax, + .extra1 = SYSCTL_ZERO, + }, #ifdef CONFIG_MMU { .procname = "max_map_count", diff --git a/kernel/time/hrtimer.c b/kernel/time/hrtimer.c index c4038511d5c9e3..95b6a708b0406b 100644 --- a/kernel/time/hrtimer.c +++ b/kernel/time/hrtimer.c @@ -377,7 +377,7 @@ static bool hrtimer_fixup_activate(void *addr, enum debug_obj_state state) switch (state) { case ODEBUG_STATE_ACTIVE: WARN_ON(1); - /* fall through */ + fallthrough; default: return false; } diff --git a/kernel/time/posix-timers.c b/kernel/time/posix-timers.c index 07709ac30439a8..bf540f5a4115a2 100644 --- a/kernel/time/posix-timers.c +++ b/kernel/time/posix-timers.c @@ -439,12 +439,12 @@ static struct pid *good_sigevent(sigevent_t * event) rtn = pid_task(pid, PIDTYPE_PID); if (!rtn || !same_thread_group(rtn, current)) return NULL; - /* FALLTHRU */ + fallthrough; case SIGEV_SIGNAL: case SIGEV_THREAD: if (event->sigev_signo <= 0 || event->sigev_signo > SIGRTMAX) return NULL; - /* FALLTHRU */ + fallthrough; case SIGEV_NONE: return pid; default: diff --git a/kernel/time/tick-broadcast.c b/kernel/time/tick-broadcast.c index e51778c312f1c5..36d7464c896254 100644 --- a/kernel/time/tick-broadcast.c +++ b/kernel/time/tick-broadcast.c @@ -381,7 +381,7 @@ void tick_broadcast_control(enum tick_broadcast_mode mode) switch (mode) { case TICK_BROADCAST_FORCE: tick_broadcast_forced = 1; - /* fall through */ + fallthrough; case TICK_BROADCAST_ON: cpumask_set_cpu(cpu, tick_broadcast_on); if (!cpumask_test_and_set_cpu(cpu, tick_broadcast_mask)) { diff --git a/kernel/time/timer.c b/kernel/time/timer.c index a16764b0116e32..a50364df105439 100644 --- a/kernel/time/timer.c +++ b/kernel/time/timer.c @@ -666,7 +666,7 @@ static bool timer_fixup_activate(void *addr, enum debug_obj_state state) case ODEBUG_STATE_ACTIVE: WARN_ON(1); - /* fall through */ + fallthrough; default: return false; } diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c index 7ba62d68885aec..4b3a42fc3b24f1 100644 --- a/kernel/trace/blktrace.c +++ b/kernel/trace/blktrace.c @@ -745,7 +745,7 @@ int blk_trace_ioctl(struct block_device *bdev, unsigned cmd, char __user *arg) #endif case BLKTRACESTART: start = 1; - /* fall through */ + fallthrough; case BLKTRACESTOP: ret = __blk_trace_startstop(q, start); break; diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index 275441254bb57b..541453927c82ad 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -2782,6 +2782,7 @@ static void ftrace_remove_trampoline_from_kallsyms(struct ftrace_ops *ops) { lockdep_assert_held(&ftrace_lock); list_del_rcu(&ops->list); + synchronize_rcu(); } /* @@ -2862,6 +2863,8 @@ int ftrace_startup(struct ftrace_ops *ops, int command) __unregister_ftrace_function(ops); ftrace_start_up--; ops->flags &= ~FTRACE_OPS_FL_ENABLED; + if (ops->flags & FTRACE_OPS_FL_DYNAMIC) + ftrace_trampoline_free(ops); return ret; } @@ -6990,16 +6993,14 @@ static void ftrace_ops_assist_func(unsigned long ip, unsigned long parent_ip, { int bit; - if ((op->flags & FTRACE_OPS_FL_RCU) && !rcu_is_watching()) - return; - bit = trace_test_and_set_recursion(TRACE_LIST_START, TRACE_LIST_MAX); if (bit < 0) return; preempt_disable_notrace(); - op->func(ip, parent_ip, op, regs); + if (!(op->flags & FTRACE_OPS_FL_RCU) || rcu_is_watching()) + op->func(ip, parent_ip, op, regs); preempt_enable_notrace(); trace_clear_recursion(bit); @@ -7531,8 +7532,7 @@ static bool is_permanent_ops_registered(void) int ftrace_enable_sysctl(struct ctl_table *table, int write, - void __user *buffer, size_t *lenp, - loff_t *ppos) + void *buffer, size_t *lenp, loff_t *ppos) { int ret = -ENODEV; diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index f40d850ebabcc7..d3e5de717df2fd 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -3546,13 +3546,15 @@ struct trace_entry *trace_find_next_entry(struct trace_iterator *iter, if (iter->ent && iter->ent != iter->temp) { if ((!iter->temp || iter->temp_size < iter->ent_size) && !WARN_ON_ONCE(iter->temp == static_temp_buf)) { - kfree(iter->temp); - iter->temp = kmalloc(iter->ent_size, GFP_KERNEL); - if (!iter->temp) + void *temp; + temp = kmalloc(iter->ent_size, GFP_KERNEL); + if (!temp) return NULL; + kfree(iter->temp); + iter->temp = temp; + iter->temp_size = iter->ent_size; } memcpy(iter->temp, iter->ent, iter->ent_size); - iter->temp_size = iter->ent_size; iter->ent = iter->temp; } entry = __find_next_entry(iter, ent_cpu, NULL, ent_ts); @@ -3782,14 +3784,14 @@ unsigned long trace_total_entries(struct trace_array *tr) static void print_lat_help_header(struct seq_file *m) { - seq_puts(m, "# _------=> CPU# \n" - "# / _-----=> irqs-off \n" - "# | / _----=> need-resched \n" - "# || / _---=> hardirq/softirq \n" - "# ||| / _--=> preempt-depth \n" - "# |||| / delay \n" - "# cmd pid ||||| time | caller \n" - "# \\ / ||||| \\ | / \n"); + seq_puts(m, "# _------=> CPU# \n" + "# / _-----=> irqs-off \n" + "# | / _----=> need-resched \n" + "# || / _---=> hardirq/softirq \n" + "# ||| / _--=> preempt-depth \n" + "# |||| / delay \n" + "# cmd pid ||||| time | caller \n" + "# \\ / ||||| \\ | / \n"); } static void print_event_info(struct array_buffer *buf, struct seq_file *m) @@ -3810,26 +3812,26 @@ static void print_func_help_header(struct array_buffer *buf, struct seq_file *m, print_event_info(buf, m); - seq_printf(m, "# TASK-PID %s CPU# TIMESTAMP FUNCTION\n", tgid ? "TGID " : ""); - seq_printf(m, "# | | %s | | |\n", tgid ? " | " : ""); + seq_printf(m, "# TASK-PID %s CPU# TIMESTAMP FUNCTION\n", tgid ? " TGID " : ""); + seq_printf(m, "# | | %s | | |\n", tgid ? " | " : ""); } static void print_func_help_header_irq(struct array_buffer *buf, struct seq_file *m, unsigned int flags) { bool tgid = flags & TRACE_ITER_RECORD_TGID; - const char *space = " "; - int prec = tgid ? 10 : 2; + const char *space = " "; + int prec = tgid ? 12 : 2; print_event_info(buf, m); - seq_printf(m, "# %.*s _-----=> irqs-off\n", prec, space); - seq_printf(m, "# %.*s / _----=> need-resched\n", prec, space); - seq_printf(m, "# %.*s| / _---=> hardirq/softirq\n", prec, space); - seq_printf(m, "# %.*s|| / _--=> preempt-depth\n", prec, space); - seq_printf(m, "# %.*s||| / delay\n", prec, space); - seq_printf(m, "# TASK-PID %.*sCPU# |||| TIMESTAMP FUNCTION\n", prec, " TGID "); - seq_printf(m, "# | | %.*s | |||| | |\n", prec, " | "); + seq_printf(m, "# %.*s _-----=> irqs-off\n", prec, space); + seq_printf(m, "# %.*s / _----=> need-resched\n", prec, space); + seq_printf(m, "# %.*s| / _---=> hardirq/softirq\n", prec, space); + seq_printf(m, "# %.*s|| / _--=> preempt-depth\n", prec, space); + seq_printf(m, "# %.*s||| / delay\n", prec, space); + seq_printf(m, "# TASK-PID %.*s CPU# |||| TIMESTAMP FUNCTION\n", prec, " TGID "); + seq_printf(m, "# | | %.*s | |||| | |\n", prec, " | "); } void diff --git a/kernel/trace/trace_events_filter.c b/kernel/trace/trace_events_filter.c index bf44f6bbd0c36c..78a678eeb14093 100644 --- a/kernel/trace/trace_events_filter.c +++ b/kernel/trace/trace_events_filter.c @@ -499,7 +499,7 @@ predicate_parse(const char *str, int nr_parens, int nr_preds, ptr++; break; } - /* fall through */ + fallthrough; default: parse_error(pe, FILT_ERR_TOO_MANY_PREDS, next - str); @@ -1273,7 +1273,7 @@ static int parse_pred(const char *str, void *data, switch (op) { case OP_NE: pred->not = 1; - /* Fall through */ + fallthrough; case OP_GLOB: case OP_EQ: break; diff --git a/kernel/trace/trace_events_hist.c b/kernel/trace/trace_events_hist.c index 0b933546142e8b..1b2ef64902296b 100644 --- a/kernel/trace/trace_events_hist.c +++ b/kernel/trace/trace_events_hist.c @@ -3865,7 +3865,6 @@ static int parse_var_defs(struct hist_trigger_data *hist_data) s = kstrdup(field_str, GFP_KERNEL); if (!s) { - kfree(hist_data->attrs->var_defs.name[n_vars]); ret = -ENOMEM; goto free; } diff --git a/kernel/trace/trace_output.c b/kernel/trace/trace_output.c index 4d1893564912da..000e9dc224c613 100644 --- a/kernel/trace/trace_output.c +++ b/kernel/trace/trace_output.c @@ -497,7 +497,7 @@ lat_print_generic(struct trace_seq *s, struct trace_entry *entry, int cpu) trace_find_cmdline(entry->pid, comm); - trace_seq_printf(s, "%8.8s-%-5d %3d", + trace_seq_printf(s, "%8.8s-%-7d %3d", comm, entry->pid, cpu); return trace_print_lat_fmt(s, entry); @@ -588,15 +588,15 @@ int trace_print_context(struct trace_iterator *iter) trace_find_cmdline(entry->pid, comm); - trace_seq_printf(s, "%16s-%-5d ", comm, entry->pid); + trace_seq_printf(s, "%16s-%-7d ", comm, entry->pid); if (tr->trace_flags & TRACE_ITER_RECORD_TGID) { unsigned int tgid = trace_find_tgid(entry->pid); if (!tgid) - trace_seq_printf(s, "(-----) "); + trace_seq_printf(s, "(-------) "); else - trace_seq_printf(s, "(%5d) ", tgid); + trace_seq_printf(s, "(%7d) ", tgid); } trace_seq_printf(s, "[%03d] ", iter->cpu); @@ -636,7 +636,7 @@ int trace_print_lat_context(struct trace_iterator *iter) trace_find_cmdline(entry->pid, comm); trace_seq_printf( - s, "%16s %5d %3d %d %08x %08lx ", + s, "%16s %7d %3d %d %08x %08lx ", comm, entry->pid, iter->cpu, entry->flags, entry->preempt_count, iter->idx); } else { @@ -917,7 +917,7 @@ static enum print_line_t trace_ctxwake_print(struct trace_iterator *iter, S = task_index_to_char(field->prev_state); trace_find_cmdline(field->next_pid, comm); trace_seq_printf(&iter->seq, - " %5d:%3d:%c %s [%03d] %5d:%3d:%c %s\n", + " %7d:%3d:%c %s [%03d] %7d:%3d:%c %s\n", field->prev_pid, field->prev_prio, S, delim, diff --git a/kernel/trace/trace_preemptirq.c b/kernel/trace/trace_preemptirq.c index f10073e6260305..f4938040c2286e 100644 --- a/kernel/trace/trace_preemptirq.c +++ b/kernel/trace/trace_preemptirq.c @@ -102,14 +102,14 @@ NOKPROBE_SYMBOL(trace_hardirqs_on_caller); __visible void trace_hardirqs_off_caller(unsigned long caller_addr) { + lockdep_hardirqs_off(CALLER_ADDR0); + if (!this_cpu_read(tracing_irq_cpu)) { this_cpu_write(tracing_irq_cpu, 1); tracer_hardirqs_off(CALLER_ADDR0, caller_addr); if (!in_nmi()) trace_irq_disable_rcuidle(CALLER_ADDR0, caller_addr); } - - lockdep_hardirqs_off(CALLER_ADDR0); } EXPORT_SYMBOL(trace_hardirqs_off_caller); NOKPROBE_SYMBOL(trace_hardirqs_off_caller); diff --git a/kernel/umh.c b/kernel/umh.c index fcf3ee80363022..3f646613a9d35a 100644 --- a/kernel/umh.c +++ b/kernel/umh.c @@ -14,6 +14,7 @@ #include <linux/cred.h> #include <linux/file.h> #include <linux/fdtable.h> +#include <linux/fs_struct.h> #include <linux/workqueue.h> #include <linux/security.h> #include <linux/mount.h> @@ -72,6 +73,14 @@ static int call_usermodehelper_exec_async(void *data) spin_unlock_irq(¤t->sighand->siglock); /* + * Initial kernel threads share ther FS with init, in order to + * get the init root directory. But we've now created a new + * thread that is going to execve a user process and has its own + * 'struct fs_struct'. Reset umask to the default. + */ + current->fs->umask = 0022; + + /* * Our parent (unbound workqueue) runs with elevated scheduling * priority. Avoid propagating that into the userspace child. */ diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index e068c3c7189a19..0c781f912f9f0b 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -520,8 +520,8 @@ config DEBUG_FS_ALLOW_NONE endchoice source "lib/Kconfig.kgdb" - source "lib/Kconfig.ubsan" +source "lib/Kconfig.kcsan" endmenu @@ -1620,8 +1620,6 @@ config PROVIDE_OHCI1394_DMA_INIT source "samples/Kconfig" -source "lib/Kconfig.kcsan" - config ARCH_HAS_DEVMEM_IS_ALLOWED bool diff --git a/lib/bootconfig.c b/lib/bootconfig.c index a5f701161f6bd1..649ed44f199c2e 100644 --- a/lib/bootconfig.c +++ b/lib/bootconfig.c @@ -31,6 +31,8 @@ static size_t xbc_data_size __initdata; static struct xbc_node *last_parent __initdata; static const char *xbc_err_msg __initdata; static int xbc_err_pos __initdata; +static int open_brace[XBC_DEPTH_MAX] __initdata; +static int brace_index __initdata; static int __init xbc_parse_error(const char *msg, const char *p) { @@ -431,27 +433,27 @@ static char *skip_spaces_until_newline(char *p) return p; } -static int __init __xbc_open_brace(void) +static int __init __xbc_open_brace(char *p) { - /* Mark the last key as open brace */ - last_parent->next = XBC_NODE_MAX; + /* Push the last key as open brace */ + open_brace[brace_index++] = xbc_node_index(last_parent); + if (brace_index >= XBC_DEPTH_MAX) + return xbc_parse_error("Exceed max depth of braces", p); return 0; } static int __init __xbc_close_brace(char *p) { - struct xbc_node *node; - - if (!last_parent || last_parent->next != XBC_NODE_MAX) + brace_index--; + if (!last_parent || brace_index < 0 || + (open_brace[brace_index] != xbc_node_index(last_parent))) return xbc_parse_error("Unexpected closing brace", p); - node = last_parent; - node->next = 0; - do { - node = xbc_node_get_parent(node); - } while (node && node->next != XBC_NODE_MAX); - last_parent = node; + if (brace_index == 0) + last_parent = NULL; + else + last_parent = &xbc_nodes[open_brace[brace_index - 1]]; return 0; } @@ -492,8 +494,8 @@ static int __init __xbc_parse_value(char **__v, char **__n) break; } if (strchr(",;\n#}", c)) { - v = strim(v); *p++ = '\0'; + v = strim(v); break; } } @@ -661,7 +663,7 @@ static int __init xbc_open_brace(char **k, char *n) return ret; *k = n; - return __xbc_open_brace(); + return __xbc_open_brace(n - 1); } static int __init xbc_close_brace(char **k, char *n) @@ -681,6 +683,13 @@ static int __init xbc_verify_tree(void) int i, depth, len, wlen; struct xbc_node *n, *m; + /* Brace closing */ + if (brace_index) { + n = &xbc_nodes[open_brace[brace_index]]; + return xbc_parse_error("Brace is not closed", + xbc_node_get_data(n)); + } + /* Empty tree */ if (xbc_node_num == 0) { xbc_parse_error("Empty config", xbc_data); @@ -745,6 +754,7 @@ void __init xbc_destroy_all(void) xbc_node_num = 0; memblock_free(__pa(xbc_nodes), sizeof(struct xbc_node) * XBC_NODE_MAX); xbc_nodes = NULL; + brace_index = 0; } /** @@ -817,7 +827,7 @@ int __init xbc_init(char *buf, const char **emsg, int *epos) q - 2); break; } - /* Fall through */ + /* fall through */ case '=': ret = xbc_parse_kv(&p, q, c); break; diff --git a/lib/dynamic_debug.c b/lib/dynamic_debug.c index 1d012e597cc3f9..2d4dfd44b0fa5f 100644 --- a/lib/dynamic_debug.c +++ b/lib/dynamic_debug.c @@ -353,8 +353,7 @@ static int check_set(const char **dest, char *src, char *name) /* * Parse words[] as a ddebug query specification, which is a series - * of (keyword, value) pairs or combined keyword=value terms, - * chosen from these possibilities: + * of (keyword, value) pairs chosen from these possibilities: * * func <function-name> * file <full-pathname> @@ -373,34 +372,22 @@ static int ddebug_parse_query(char *words[], int nwords, unsigned int i; int rc = 0; char *fline; - char *keyword, *arg; + + /* check we have an even number of words */ + if (nwords % 2 != 0) { + pr_err("expecting pairs of match-spec <value>\n"); + return -EINVAL; + } if (modname) /* support $modname.dyndbg=<multiple queries> */ query->module = modname; - for (i = 0; i < nwords; i++) { - /* accept keyword=arg */ - vpr_info("%d w:%s\n", i, words[i]); - - keyword = words[i]; - arg = strchr(keyword, '='); - if (arg) { - *arg++ = '\0'; - } else { - i++; /* next word is arg */ - if (!(i < nwords)) { - pr_err("missing arg to keyword: %s\n", keyword); - return -EINVAL; - } - arg = words[i]; - } - vpr_info("%d key:%s arg:%s\n", i, keyword, arg); - - if (!strcmp(keyword, "func")) { - rc = check_set(&query->function, arg, "func"); - } else if (!strcmp(keyword, "file")) { - if (check_set(&query->filename, arg, "file")) + for (i = 0; i < nwords; i += 2) { + if (!strcmp(words[i], "func")) { + rc = check_set(&query->function, words[i+1], "func"); + } else if (!strcmp(words[i], "file")) { + if (check_set(&query->filename, words[i+1], "file")) return -EINVAL; /* tail :$info is function or line-range */ @@ -416,18 +403,18 @@ static int ddebug_parse_query(char *words[], int nwords, if (parse_linerange(query, fline)) return -EINVAL; } - } else if (!strcmp(keyword, "module")) { - rc = check_set(&query->module, arg, "module"); - } else if (!strcmp(keyword, "format")) { - string_unescape_inplace(arg, UNESCAPE_SPACE | + } else if (!strcmp(words[i], "module")) { + rc = check_set(&query->module, words[i+1], "module"); + } else if (!strcmp(words[i], "format")) { + string_unescape_inplace(words[i+1], UNESCAPE_SPACE | UNESCAPE_OCTAL | UNESCAPE_SPECIAL); - rc = check_set(&query->format, arg, "format"); - } else if (!strcmp(keyword, "line")) { - if (parse_linerange(query, arg)) + rc = check_set(&query->format, words[i+1], "format"); + } else if (!strcmp(words[i], "line")) { + if (parse_linerange(query, words[i+1])) return -EINVAL; } else { - pr_err("unknown keyword \"%s\"\n", keyword); + pr_err("unknown keyword \"%s\"\n", words[i]); return -EINVAL; } if (rc) @@ -525,7 +512,7 @@ static int ddebug_exec_query(char *query_string, const char *modname) last error or number of matching callsites. Module name is either in param (for boot arg) or perhaps in query string. */ -int ddebug_exec_queries(char *query, const char *modname) +static int ddebug_exec_queries(char *query, const char *modname) { char *split; int i, errs = 0, exitcode = 0, rc, nfound = 0; @@ -557,7 +544,30 @@ int ddebug_exec_queries(char *query, const char *modname) return exitcode; return nfound; } -EXPORT_SYMBOL_GPL(ddebug_exec_queries); + +/** + * dynamic_debug_exec_queries - select and change dynamic-debug prints + * @query: query-string described in admin-guide/dynamic-debug-howto + * @modname: string containing module name, usually &module.mod_name + * + * This uses the >/proc/dynamic_debug/control reader, allowing module + * authors to modify their dynamic-debug callsites. The modname is + * canonically struct module.mod_name, but can also be null or a + * module-wildcard, for example: "drm*". + */ +int dynamic_debug_exec_queries(const char *query, const char *modname) +{ + int rc; + char *qry = kstrndup(query, PAGE_SIZE, GFP_KERNEL); + + if (!query) + return -ENOMEM; + + rc = ddebug_exec_queries(qry, modname); + kfree(qry); + return rc; +} +EXPORT_SYMBOL_GPL(dynamic_debug_exec_queries); #define PREFIX_SIZE 64 @@ -947,7 +957,7 @@ int ddebug_add_module(struct _ddebug *tab, unsigned int n, list_add(&dt->link, &ddebug_tables); mutex_unlock(&ddebug_lock); - v2pr_info("%u debug prints in module %s\n", n, dt->mod_name); + v2pr_info("%3u debug prints in module %s\n", n, dt->mod_name); return 0; } diff --git a/lib/fonts/font_10x18.c b/lib/fonts/font_10x18.c index 532f0ff89a962d..0e2deac97da0dc 100644 --- a/lib/fonts/font_10x18.c +++ b/lib/fonts/font_10x18.c @@ -8,8 +8,8 @@ #define FONTDATAMAX 9216 -static const unsigned char fontdata_10x18[FONTDATAMAX] = { - +static struct font_data fontdata_10x18 = { + { 0, 0, FONTDATAMAX, 0 }, { /* 0 0x00 '^@' */ 0x00, 0x00, /* 0000000000 */ 0x00, 0x00, /* 0000000000 */ @@ -5129,8 +5129,7 @@ static const unsigned char fontdata_10x18[FONTDATAMAX] = { 0x00, 0x00, /* 0000000000 */ 0x00, 0x00, /* 0000000000 */ 0x00, 0x00, /* 0000000000 */ - -}; +} }; const struct font_desc font_10x18 = { @@ -5138,7 +5137,7 @@ const struct font_desc font_10x18 = { .name = "10x18", .width = 10, .height = 18, - .data = fontdata_10x18, + .data = fontdata_10x18.data, #ifdef __sparc__ .pref = 5, #else diff --git a/lib/fonts/font_6x10.c b/lib/fonts/font_6x10.c index 09b2cc03435b93..87da8acd07db0c 100644 --- a/lib/fonts/font_6x10.c +++ b/lib/fonts/font_6x10.c @@ -1,8 +1,10 @@ // SPDX-License-Identifier: GPL-2.0 #include <linux/font.h> -static const unsigned char fontdata_6x10[] = { +#define FONTDATAMAX 2560 +static struct font_data fontdata_6x10 = { + { 0, 0, FONTDATAMAX, 0 }, { /* 0 0x00 '^@' */ 0x00, /* 00000000 */ 0x00, /* 00000000 */ @@ -3074,14 +3076,13 @@ static const unsigned char fontdata_6x10[] = { 0x00, /* 00000000 */ 0x00, /* 00000000 */ 0x00, /* 00000000 */ - -}; +} }; const struct font_desc font_6x10 = { .idx = FONT6x10_IDX, .name = "6x10", .width = 6, .height = 10, - .data = fontdata_6x10, + .data = fontdata_6x10.data, .pref = 0, }; diff --git a/lib/fonts/font_6x11.c b/lib/fonts/font_6x11.c index d7136c33f1f018..5e975dfa10a53a 100644 --- a/lib/fonts/font_6x11.c +++ b/lib/fonts/font_6x11.c @@ -9,8 +9,8 @@ #define FONTDATAMAX (11*256) -static const unsigned char fontdata_6x11[FONTDATAMAX] = { - +static struct font_data fontdata_6x11 = { + { 0, 0, FONTDATAMAX, 0 }, { /* 0 0x00 '^@' */ 0x00, /* 00000000 */ 0x00, /* 00000000 */ @@ -3338,8 +3338,7 @@ static const unsigned char fontdata_6x11[FONTDATAMAX] = { 0x00, /* 00000000 */ 0x00, /* 00000000 */ 0x00, /* 00000000 */ - -}; +} }; const struct font_desc font_vga_6x11 = { @@ -3347,7 +3346,7 @@ const struct font_desc font_vga_6x11 = { .name = "ProFont6x11", .width = 6, .height = 11, - .data = fontdata_6x11, + .data = fontdata_6x11.data, /* Try avoiding this font if possible unless on MAC */ .pref = -2000, }; diff --git a/lib/fonts/font_7x14.c b/lib/fonts/font_7x14.c index 89752d0b23e8b0..86d298f3850588 100644 --- a/lib/fonts/font_7x14.c +++ b/lib/fonts/font_7x14.c @@ -8,8 +8,8 @@ #define FONTDATAMAX 3584 -static const unsigned char fontdata_7x14[FONTDATAMAX] = { - +static struct font_data fontdata_7x14 = { + { 0, 0, FONTDATAMAX, 0 }, { /* 0 0x00 '^@' */ 0x00, /* 0000000 */ 0x00, /* 0000000 */ @@ -4105,8 +4105,7 @@ static const unsigned char fontdata_7x14[FONTDATAMAX] = { 0x00, /* 0000000 */ 0x00, /* 0000000 */ 0x00, /* 0000000 */ - -}; +} }; const struct font_desc font_7x14 = { @@ -4114,6 +4113,6 @@ const struct font_desc font_7x14 = { .name = "7x14", .width = 7, .height = 14, - .data = fontdata_7x14, + .data = fontdata_7x14.data, .pref = 0, }; diff --git a/lib/fonts/font_8x16.c b/lib/fonts/font_8x16.c index b7ab1f5fbdb8a5..37cedd36ca5ef2 100644 --- a/lib/fonts/font_8x16.c +++ b/lib/fonts/font_8x16.c @@ -10,8 +10,8 @@ #define FONTDATAMAX 4096 -static const unsigned char fontdata_8x16[FONTDATAMAX] = { - +static struct font_data fontdata_8x16 = { + { 0, 0, FONTDATAMAX, 0 }, { /* 0 0x00 '^@' */ 0x00, /* 00000000 */ 0x00, /* 00000000 */ @@ -4619,8 +4619,7 @@ static const unsigned char fontdata_8x16[FONTDATAMAX] = { 0x00, /* 00000000 */ 0x00, /* 00000000 */ 0x00, /* 00000000 */ - -}; +} }; const struct font_desc font_vga_8x16 = { @@ -4628,7 +4627,7 @@ const struct font_desc font_vga_8x16 = { .name = "VGA8x16", .width = 8, .height = 16, - .data = fontdata_8x16, + .data = fontdata_8x16.data, .pref = 0, }; EXPORT_SYMBOL(font_vga_8x16); diff --git a/lib/fonts/font_8x8.c b/lib/fonts/font_8x8.c index 2328ebc8bab5d7..8ab695538395df 100644 --- a/lib/fonts/font_8x8.c +++ b/lib/fonts/font_8x8.c @@ -9,8 +9,8 @@ #define FONTDATAMAX 2048 -static const unsigned char fontdata_8x8[FONTDATAMAX] = { - +static struct font_data fontdata_8x8 = { + { 0, 0, FONTDATAMAX, 0 }, { /* 0 0x00 '^@' */ 0x00, /* 00000000 */ 0x00, /* 00000000 */ @@ -2570,8 +2570,7 @@ static const unsigned char fontdata_8x8[FONTDATAMAX] = { 0x00, /* 00000000 */ 0x00, /* 00000000 */ 0x00, /* 00000000 */ - -}; +} }; const struct font_desc font_vga_8x8 = { @@ -2579,6 +2578,6 @@ const struct font_desc font_vga_8x8 = { .name = "VGA8x8", .width = 8, .height = 8, - .data = fontdata_8x8, + .data = fontdata_8x8.data, .pref = 0, }; diff --git a/lib/fonts/font_acorn_8x8.c b/lib/fonts/font_acorn_8x8.c index 0ff0e85d4481ba..069b3e80c43449 100644 --- a/lib/fonts/font_acorn_8x8.c +++ b/lib/fonts/font_acorn_8x8.c @@ -3,7 +3,10 @@ #include <linux/font.h> -static const unsigned char acorndata_8x8[] = { +#define FONTDATAMAX 2048 + +static struct font_data acorndata_8x8 = { +{ 0, 0, FONTDATAMAX, 0 }, { /* 00 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ^@ */ /* 01 */ 0x7e, 0x81, 0xa5, 0x81, 0xbd, 0x99, 0x81, 0x7e, /* ^A */ /* 02 */ 0x7e, 0xff, 0xbd, 0xff, 0xc3, 0xe7, 0xff, 0x7e, /* ^B */ @@ -260,14 +263,14 @@ static const unsigned char acorndata_8x8[] = { /* FD */ 0x38, 0x04, 0x18, 0x20, 0x3c, 0x00, 0x00, 0x00, /* FE */ 0x00, 0x00, 0x3c, 0x3c, 0x3c, 0x3c, 0x00, 0x00, /* FF */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 -}; +} }; const struct font_desc font_acorn_8x8 = { .idx = ACORN8x8_IDX, .name = "Acorn8x8", .width = 8, .height = 8, - .data = acorndata_8x8, + .data = acorndata_8x8.data, #ifdef CONFIG_ARCH_ACORN .pref = 20, #else diff --git a/lib/fonts/font_mini_4x6.c b/lib/fonts/font_mini_4x6.c index 838caa1cfef70d..1449876c6a2702 100644 --- a/lib/fonts/font_mini_4x6.c +++ b/lib/fonts/font_mini_4x6.c @@ -43,8 +43,8 @@ __END__; #define FONTDATAMAX 1536 -static const unsigned char fontdata_mini_4x6[FONTDATAMAX] = { - +static struct font_data fontdata_mini_4x6 = { + { 0, 0, FONTDATAMAX, 0 }, { /*{*/ /* Char 0: ' ' */ 0xee, /*= [*** ] */ @@ -2145,14 +2145,14 @@ static const unsigned char fontdata_mini_4x6[FONTDATAMAX] = { 0xee, /*= [*** ] */ 0x00, /*= [ ] */ /*}*/ -}; +} }; const struct font_desc font_mini_4x6 = { .idx = MINI4x6_IDX, .name = "MINI4x6", .width = 4, .height = 6, - .data = fontdata_mini_4x6, + .data = fontdata_mini_4x6.data, .pref = 3, }; diff --git a/lib/fonts/font_pearl_8x8.c b/lib/fonts/font_pearl_8x8.c index b15d3c342c5bbc..32d65551e7ed29 100644 --- a/lib/fonts/font_pearl_8x8.c +++ b/lib/fonts/font_pearl_8x8.c @@ -14,8 +14,8 @@ #define FONTDATAMAX 2048 -static const unsigned char fontdata_pearl8x8[FONTDATAMAX] = { - +static struct font_data fontdata_pearl8x8 = { + { 0, 0, FONTDATAMAX, 0 }, { /* 0 0x00 '^@' */ 0x00, /* 00000000 */ 0x00, /* 00000000 */ @@ -2575,14 +2575,13 @@ static const unsigned char fontdata_pearl8x8[FONTDATAMAX] = { 0x00, /* 00000000 */ 0x00, /* 00000000 */ 0x00, /* 00000000 */ - -}; +} }; const struct font_desc font_pearl_8x8 = { .idx = PEARL8x8_IDX, .name = "PEARL8x8", .width = 8, .height = 8, - .data = fontdata_pearl8x8, + .data = fontdata_pearl8x8.data, .pref = 2, }; diff --git a/lib/fonts/font_sun12x22.c b/lib/fonts/font_sun12x22.c index 955d6eee3959d7..641a6b4dca424f 100644 --- a/lib/fonts/font_sun12x22.c +++ b/lib/fonts/font_sun12x22.c @@ -3,8 +3,8 @@ #define FONTDATAMAX 11264 -static const unsigned char fontdata_sun12x22[FONTDATAMAX] = { - +static struct font_data fontdata_sun12x22 = { + { 0, 0, FONTDATAMAX, 0 }, { /* 0 0x00 '^@' */ 0x00, 0x00, /* 000000000000 */ 0x00, 0x00, /* 000000000000 */ @@ -6148,8 +6148,7 @@ static const unsigned char fontdata_sun12x22[FONTDATAMAX] = { 0x00, 0x00, /* 000000000000 */ 0x00, 0x00, /* 000000000000 */ 0x00, 0x00, /* 000000000000 */ - -}; +} }; const struct font_desc font_sun_12x22 = { @@ -6157,7 +6156,7 @@ const struct font_desc font_sun_12x22 = { .name = "SUN12x22", .width = 12, .height = 22, - .data = fontdata_sun12x22, + .data = fontdata_sun12x22.data, #ifdef __sparc__ .pref = 5, #else diff --git a/lib/fonts/font_sun8x16.c b/lib/fonts/font_sun8x16.c index 03d71e53954abd..193fe6d988e08e 100644 --- a/lib/fonts/font_sun8x16.c +++ b/lib/fonts/font_sun8x16.c @@ -3,7 +3,8 @@ #define FONTDATAMAX 4096 -static const unsigned char fontdata_sun8x16[FONTDATAMAX] = { +static struct font_data fontdata_sun8x16 = { +{ 0, 0, FONTDATAMAX, 0 }, { /* */ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* */ 0x00,0x00,0x7e,0x81,0xa5,0x81,0x81,0xbd,0x99,0x81,0x81,0x7e,0x00,0x00,0x00,0x00, /* */ 0x00,0x00,0x7e,0xff,0xdb,0xff,0xff,0xc3,0xe7,0xff,0xff,0x7e,0x00,0x00,0x00,0x00, @@ -260,14 +261,14 @@ static const unsigned char fontdata_sun8x16[FONTDATAMAX] = { /* */ 0x00,0x70,0xd8,0x30,0x60,0xc8,0xf8,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* */ 0x00,0x00,0x00,0x00,0x7c,0x7c,0x7c,0x7c,0x7c,0x7c,0x7c,0x00,0x00,0x00,0x00,0x00, /* */ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, -}; +} }; const struct font_desc font_sun_8x16 = { .idx = SUN8x16_IDX, .name = "SUN8x16", .width = 8, .height = 16, - .data = fontdata_sun8x16, + .data = fontdata_sun8x16.data, #ifdef __sparc__ .pref = 10, #else diff --git a/lib/fonts/font_ter16x32.c b/lib/fonts/font_ter16x32.c index 3f0cf1ccdf3a42..91b9c283bd9cc5 100644 --- a/lib/fonts/font_ter16x32.c +++ b/lib/fonts/font_ter16x32.c @@ -4,8 +4,8 @@ #define FONTDATAMAX 16384 -static const unsigned char fontdata_ter16x32[FONTDATAMAX] = { - +static struct font_data fontdata_ter16x32 = { + { 0, 0, FONTDATAMAX, 0 }, { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7f, 0xfc, 0x7f, 0xfc, 0x70, 0x1c, 0x70, 0x1c, 0x70, 0x1c, 0x70, 0x1c, @@ -2054,8 +2054,7 @@ static const unsigned char fontdata_ter16x32[FONTDATAMAX] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 255 */ - -}; +} }; const struct font_desc font_ter_16x32 = { @@ -2063,7 +2062,7 @@ const struct font_desc font_ter_16x32 = { .name = "TER16x32", .width = 16, .height = 32, - .data = fontdata_ter16x32, + .data = fontdata_ter16x32.data, #ifdef __sparc__ .pref = 5, #else diff --git a/lib/glob.c b/lib/glob.c index 0ba3ea86b5466c..52e3ed7e4a9b8d 100644 --- a/lib/glob.c +++ b/lib/glob.c @@ -102,7 +102,7 @@ bool __pure glob_match(char const *pat, char const *str) break; case '\\': d = *pat++; - /*FALLTHROUGH*/ + /* fall through */ default: /* Literal character */ literal: if (c == d) { diff --git a/lib/kobject.c b/lib/kobject.c index 3afb939f2a1cc5..ea53b30cf48379 100644 --- a/lib/kobject.c +++ b/lib/kobject.c @@ -604,9 +604,6 @@ static void __kobject_del(struct kobject *kobj) struct kernfs_node *sd; const struct kobj_type *ktype; - if (!kobj) - return; - sd = kobj->sd; ktype = get_ktype(kobj); @@ -637,8 +634,12 @@ static void __kobject_del(struct kobject *kobj) */ void kobject_del(struct kobject *kobj) { - struct kobject *parent = kobj->parent; + struct kobject *parent; + + if (!kobj) + return; + parent = kobj->parent; __kobject_del(kobj); kobject_put(parent); } diff --git a/lib/memregion.c b/lib/memregion.c index 77c85b5251da57..be5cfa5a3b570e 100644 --- a/lib/memregion.c +++ b/lib/memregion.c @@ -2,6 +2,7 @@ /* identifiers for device / performance-differentiated memory regions */ #include <linux/idr.h> #include <linux/types.h> +#include <linux/memregion.h> static DEFINE_IDA(memregion_ids); diff --git a/lib/random32.c b/lib/random32.c index 932345323af092..dfb9981ab79896 100644 --- a/lib/random32.c +++ b/lib/random32.c @@ -49,7 +49,7 @@ static inline void prandom_state_selftest(void) } #endif -DEFINE_PER_CPU(struct rnd_state, net_rand_state); +DEFINE_PER_CPU(struct rnd_state, net_rand_state) __latent_entropy; /** * prandom_u32_state - seeded pseudo-random number generator. diff --git a/lib/string.c b/lib/string.c index 6012c385fb314d..4288e0158d47f0 100644 --- a/lib/string.c +++ b/lib/string.c @@ -272,6 +272,30 @@ ssize_t strscpy_pad(char *dest, const char *src, size_t count) } EXPORT_SYMBOL(strscpy_pad); +/** + * stpcpy - copy a string from src to dest returning a pointer to the new end + * of dest, including src's %NUL-terminator. May overrun dest. + * @dest: pointer to end of string being copied into. Must be large enough + * to receive copy. + * @src: pointer to the beginning of string being copied from. Must not overlap + * dest. + * + * stpcpy differs from strcpy in a key way: the return value is a pointer + * to the new %NUL-terminating character in @dest. (For strcpy, the return + * value is a pointer to the start of @dest). This interface is considered + * unsafe as it doesn't perform bounds checking of the inputs. As such it's + * not recommended for usage. Instead, its definition is provided in case + * the compiler lowers other libcalls to stpcpy. + */ +char *stpcpy(char *__restrict__ dest, const char *__restrict__ src); +char *stpcpy(char *__restrict__ dest, const char *__restrict__ src) +{ + while ((*dest++ = *src++) != '\0') + /* nothing */; + return --dest; +} +EXPORT_SYMBOL(stpcpy); + #ifndef __HAVE_ARCH_STRCAT /** * strcat - Append one %NUL-terminated string to another diff --git a/lib/test_firmware.c b/lib/test_firmware.c index 9fee2b93a8d18c..06c95505775644 100644 --- a/lib/test_firmware.c +++ b/lib/test_firmware.c @@ -26,6 +26,8 @@ #include <linux/vmalloc.h> #include <linux/efi_embedded_fw.h> +MODULE_IMPORT_NS(TEST_FIRMWARE); + #define TEST_FIRMWARE_NAME "test-firmware.bin" #define TEST_FIRMWARE_NUM_REQS 4 #define TEST_FIRMWARE_BUF_SIZE SZ_1K @@ -489,6 +491,9 @@ out: static DEVICE_ATTR_WO(trigger_request); #ifdef CONFIG_EFI_EMBEDDED_FIRMWARE +extern struct list_head efi_embedded_fw_list; +extern bool efi_embedded_fw_checked; + static ssize_t trigger_request_platform_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) @@ -501,6 +506,7 @@ static ssize_t trigger_request_platform_store(struct device *dev, }; struct efi_embedded_fw efi_embedded_fw; const struct firmware *firmware = NULL; + bool saved_efi_embedded_fw_checked; char *name; int rc; @@ -513,6 +519,8 @@ static ssize_t trigger_request_platform_store(struct device *dev, efi_embedded_fw.data = (void *)test_data; efi_embedded_fw.length = sizeof(test_data); list_add(&efi_embedded_fw.list, &efi_embedded_fw_list); + saved_efi_embedded_fw_checked = efi_embedded_fw_checked; + efi_embedded_fw_checked = true; pr_info("loading '%s'\n", name); rc = firmware_request_platform(&firmware, name, dev); @@ -530,6 +538,7 @@ static ssize_t trigger_request_platform_store(struct device *dev, rc = count; out: + efi_embedded_fw_checked = saved_efi_embedded_fw_checked; release_firmware(firmware); list_del(&efi_embedded_fw.list); kfree(name); diff --git a/lib/test_rhashtable.c b/lib/test_rhashtable.c index c5a6fef7b45d74..76c607ee6db521 100644 --- a/lib/test_rhashtable.c +++ b/lib/test_rhashtable.c @@ -434,7 +434,7 @@ static int __init test_rhltable(unsigned int entries) } else { if (WARN(err != -ENOENT, "removed non-existent element, error %d not %d", err, -ENOENT)) - continue; + continue; } } diff --git a/lib/vsprintf.c b/lib/vsprintf.c index c155769559abe2..afb9521ddf9197 100644 --- a/lib/vsprintf.c +++ b/lib/vsprintf.c @@ -1681,7 +1681,8 @@ char *uuid_string(char *buf, char *end, const u8 *addr, switch (*(++fmt)) { case 'L': - uc = true; /* fall-through */ + uc = true; + /* fall through */ case 'l': index = guid_index; break; @@ -2218,7 +2219,7 @@ char *pointer(const char *fmt, char *buf, char *end, void *ptr, case 'S': case 's': ptr = dereference_symbol_descriptor(ptr); - /* Fallthrough */ + /* fall through */ case 'B': return symbol_string(buf, end, ptr, spec, fmt); case 'R': @@ -2467,7 +2468,7 @@ qualifier: * utility, treat it as any other invalid or * unsupported format specifier. */ - /* Fall-through */ + /* fall through */ default: WARN_ONCE(1, "Please remove unsupported %%%c in format string\n", *fmt); diff --git a/lib/xz/xz_dec_lzma2.c b/lib/xz/xz_dec_lzma2.c index 9f336bc07ed610..65a1aad8c223b9 100644 --- a/lib/xz/xz_dec_lzma2.c +++ b/lib/xz/xz_dec_lzma2.c @@ -1043,7 +1043,7 @@ XZ_EXTERN enum xz_ret xz_dec_lzma2_run(struct xz_dec_lzma2 *s, s->lzma2.sequence = SEQ_LZMA_PREPARE; - /* Fall through */ + /* fall through */ case SEQ_LZMA_PREPARE: if (s->lzma2.compressed < RC_INIT_BYTES) @@ -1055,7 +1055,7 @@ XZ_EXTERN enum xz_ret xz_dec_lzma2_run(struct xz_dec_lzma2 *s, s->lzma2.compressed -= RC_INIT_BYTES; s->lzma2.sequence = SEQ_LZMA_RUN; - /* Fall through */ + /* fall through */ case SEQ_LZMA_RUN: /* diff --git a/lib/xz/xz_dec_stream.c b/lib/xz/xz_dec_stream.c index bd1d182419d7e2..32ab2a08b7cbc9 100644 --- a/lib/xz/xz_dec_stream.c +++ b/lib/xz/xz_dec_stream.c @@ -583,7 +583,7 @@ static enum xz_ret dec_main(struct xz_dec *s, struct xz_buf *b) if (ret != XZ_OK) return ret; - /* Fall through */ + /* fall through */ case SEQ_BLOCK_START: /* We need one byte of input to continue. */ @@ -608,7 +608,7 @@ static enum xz_ret dec_main(struct xz_dec *s, struct xz_buf *b) s->temp.pos = 0; s->sequence = SEQ_BLOCK_HEADER; - /* Fall through */ + /* fall through */ case SEQ_BLOCK_HEADER: if (!fill_temp(s, b)) @@ -620,7 +620,7 @@ static enum xz_ret dec_main(struct xz_dec *s, struct xz_buf *b) s->sequence = SEQ_BLOCK_UNCOMPRESS; - /* Fall through */ + /* fall through */ case SEQ_BLOCK_UNCOMPRESS: ret = dec_block(s, b); @@ -629,7 +629,7 @@ static enum xz_ret dec_main(struct xz_dec *s, struct xz_buf *b) s->sequence = SEQ_BLOCK_PADDING; - /* Fall through */ + /* fall through */ case SEQ_BLOCK_PADDING: /* @@ -651,7 +651,7 @@ static enum xz_ret dec_main(struct xz_dec *s, struct xz_buf *b) s->sequence = SEQ_BLOCK_CHECK; - /* Fall through */ + /* fall through */ case SEQ_BLOCK_CHECK: if (s->check_type == XZ_CHECK_CRC32) { @@ -675,7 +675,7 @@ static enum xz_ret dec_main(struct xz_dec *s, struct xz_buf *b) s->sequence = SEQ_INDEX_PADDING; - /* Fall through */ + /* fall through */ case SEQ_INDEX_PADDING: while ((s->index.size + (b->in_pos - s->in_start)) @@ -699,7 +699,7 @@ static enum xz_ret dec_main(struct xz_dec *s, struct xz_buf *b) s->sequence = SEQ_INDEX_CRC32; - /* Fall through */ + /* fall through */ case SEQ_INDEX_CRC32: ret = crc32_validate(s, b); @@ -709,7 +709,7 @@ static enum xz_ret dec_main(struct xz_dec *s, struct xz_buf *b) s->temp.size = STREAM_HEADER_SIZE; s->sequence = SEQ_STREAM_FOOTER; - /* Fall through */ + /* fall through */ case SEQ_STREAM_FOOTER: if (!fill_temp(s, b)) diff --git a/lib/zstd/decompress.c b/lib/zstd/decompress.c index 269ee9a796c1a7..db6761ea4deb59 100644 --- a/lib/zstd/decompress.c +++ b/lib/zstd/decompress.c @@ -442,7 +442,7 @@ size_t ZSTD_decodeLiteralsBlock(ZSTD_DCtx *dctx, const void *src, size_t srcSize case set_repeat: if (dctx->litEntropy == 0) return ERROR(dictionary_corrupted); - /* fall-through */ + /* fall through */ case set_compressed: if (srcSize < 5) return ERROR(corruption_detected); /* srcSize >= MIN_CBLOCK_SIZE == 3; here we need up to 5 for case 3 */ @@ -2309,7 +2309,7 @@ size_t ZSTD_decompressStream(ZSTD_DStream *zds, ZSTD_outBuffer *output, ZSTD_inB switch (zds->stage) { case zdss_init: ZSTD_resetDStream(zds); /* transparent reset on starting decoding a new frame */ - /* fall-through */ + /* fall through */ case zdss_loadHeader: { size_t const hSize = ZSTD_getFrameParams(&zds->fParams, zds->headerBuffer, zds->lhSize); @@ -2376,7 +2376,7 @@ size_t ZSTD_decompressStream(ZSTD_DStream *zds, ZSTD_outBuffer *output, ZSTD_inB } zds->stage = zdss_read; } - /* fall through */ + /* fall through */ case zdss_read: { size_t const neededInSize = ZSTD_nextSrcSizeToDecompress(zds->dctx); @@ -2405,7 +2405,7 @@ size_t ZSTD_decompressStream(ZSTD_DStream *zds, ZSTD_outBuffer *output, ZSTD_inB zds->stage = zdss_load; /* pass-through */ } - /* fall through */ + /* fall through */ case zdss_load: { size_t const neededInSize = ZSTD_nextSrcSizeToDecompress(zds->dctx); @@ -2438,7 +2438,7 @@ size_t ZSTD_decompressStream(ZSTD_DStream *zds, ZSTD_outBuffer *output, ZSTD_inB /* pass-through */ } } - /* fall through */ + /* fall through */ case zdss_flush: { size_t const toFlushSize = zds->outEnd - zds->outStart; diff --git a/mm/filemap.c b/mm/filemap.c index 1aaea26556cc7e..99c49eeae71b89 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -988,9 +988,43 @@ void __init pagecache_init(void) page_writeback_init(); } +/* + * The page wait code treats the "wait->flags" somewhat unusually, because + * we have multiple different kinds of waits, not just the usual "exclusive" + * one. + * + * We have: + * + * (a) no special bits set: + * + * We're just waiting for the bit to be released, and when a waker + * calls the wakeup function, we set WQ_FLAG_WOKEN and wake it up, + * and remove it from the wait queue. + * + * Simple and straightforward. + * + * (b) WQ_FLAG_EXCLUSIVE: + * + * The waiter is waiting to get the lock, and only one waiter should + * be woken up to avoid any thundering herd behavior. We'll set the + * WQ_FLAG_WOKEN bit, wake it up, and remove it from the wait queue. + * + * This is the traditional exclusive wait. + * + * (c) WQ_FLAG_EXCLUSIVE | WQ_FLAG_CUSTOM: + * + * The waiter is waiting to get the bit, and additionally wants the + * lock to be transferred to it for fair lock behavior. If the lock + * cannot be taken, we stop walking the wait queue without waking + * the waiter. + * + * This is the "fair lock handoff" case, and in addition to setting + * WQ_FLAG_WOKEN, we set WQ_FLAG_DONE to let the waiter easily see + * that it now has the lock. + */ static int wake_page_function(wait_queue_entry_t *wait, unsigned mode, int sync, void *arg) { - int ret; + unsigned int flags; struct wait_page_key *key = arg; struct wait_page_queue *wait_page = container_of(wait, struct wait_page_queue, wait); @@ -999,35 +1033,44 @@ static int wake_page_function(wait_queue_entry_t *wait, unsigned mode, int sync, return 0; /* - * If it's an exclusive wait, we get the bit for it, and - * stop walking if we can't. - * - * If it's a non-exclusive wait, then the fact that this - * wake function was called means that the bit already - * was cleared, and we don't care if somebody then - * re-took it. + * If it's a lock handoff wait, we get the bit for it, and + * stop walking (and do not wake it up) if we can't. */ - ret = 0; - if (wait->flags & WQ_FLAG_EXCLUSIVE) { - if (test_and_set_bit(key->bit_nr, &key->page->flags)) + flags = wait->flags; + if (flags & WQ_FLAG_EXCLUSIVE) { + if (test_bit(key->bit_nr, &key->page->flags)) return -1; - ret = 1; + if (flags & WQ_FLAG_CUSTOM) { + if (test_and_set_bit(key->bit_nr, &key->page->flags)) + return -1; + flags |= WQ_FLAG_DONE; + } } - wait->flags |= WQ_FLAG_WOKEN; + /* + * We are holding the wait-queue lock, but the waiter that + * is waiting for this will be checking the flags without + * any locking. + * + * So update the flags atomically, and wake up the waiter + * afterwards to avoid any races. This store-release pairs + * with the load-acquire in wait_on_page_bit_common(). + */ + smp_store_release(&wait->flags, flags | WQ_FLAG_WOKEN); wake_up_state(wait->private, mode); /* * Ok, we have successfully done what we're waiting for, * and we can unconditionally remove the wait entry. * - * Note that this has to be the absolute last thing we do, - * since after list_del_init(&wait->entry) the wait entry + * Note that this pairs with the "finish_wait()" in the + * waiter, and has to be the absolute last thing we do. + * After this list_del_init(&wait->entry) the wait entry * might be de-allocated and the process might even have * exited. */ list_del_init_careful(&wait->entry); - return ret; + return (flags & WQ_FLAG_EXCLUSIVE) != 0; } static void wake_up_page_bit(struct page *page, int bit_nr) @@ -1107,8 +1150,8 @@ enum behavior { }; /* - * Attempt to check (or get) the page bit, and mark the - * waiter woken if successful. + * Attempt to check (or get) the page bit, and mark us done + * if successful. */ static inline bool trylock_page_bit_common(struct page *page, int bit_nr, struct wait_queue_entry *wait) @@ -1119,13 +1162,17 @@ static inline bool trylock_page_bit_common(struct page *page, int bit_nr, } else if (test_bit(bit_nr, &page->flags)) return false; - wait->flags |= WQ_FLAG_WOKEN; + wait->flags |= WQ_FLAG_WOKEN | WQ_FLAG_DONE; return true; } +/* How many times do we accept lock stealing from under a waiter? */ +int sysctl_page_lock_unfairness = 5; + static inline int wait_on_page_bit_common(wait_queue_head_t *q, struct page *page, int bit_nr, int state, enum behavior behavior) { + int unfairness = sysctl_page_lock_unfairness; struct wait_page_queue wait_page; wait_queue_entry_t *wait = &wait_page.wait; bool thrashing = false; @@ -1143,11 +1190,18 @@ static inline int wait_on_page_bit_common(wait_queue_head_t *q, } init_wait(wait); - wait->flags = behavior == EXCLUSIVE ? WQ_FLAG_EXCLUSIVE : 0; wait->func = wake_page_function; wait_page.page = page; wait_page.bit_nr = bit_nr; +repeat: + wait->flags = 0; + if (behavior == EXCLUSIVE) { + wait->flags = WQ_FLAG_EXCLUSIVE; + if (--unfairness < 0) + wait->flags |= WQ_FLAG_CUSTOM; + } + /* * Do one last check whether we can get the * page bit synchronously. @@ -1170,27 +1224,63 @@ static inline int wait_on_page_bit_common(wait_queue_head_t *q, /* * From now on, all the logic will be based on - * the WQ_FLAG_WOKEN flag, and the and the page - * bit testing (and setting) will be - or has - * already been - done by the wake function. + * the WQ_FLAG_WOKEN and WQ_FLAG_DONE flag, to + * see whether the page bit testing has already + * been done by the wake function. * * We can drop our reference to the page. */ if (behavior == DROP) put_page(page); + /* + * Note that until the "finish_wait()", or until + * we see the WQ_FLAG_WOKEN flag, we need to + * be very careful with the 'wait->flags', because + * we may race with a waker that sets them. + */ for (;;) { + unsigned int flags; + set_current_state(state); - if (signal_pending_state(state, current)) + /* Loop until we've been woken or interrupted */ + flags = smp_load_acquire(&wait->flags); + if (!(flags & WQ_FLAG_WOKEN)) { + if (signal_pending_state(state, current)) + break; + + io_schedule(); + continue; + } + + /* If we were non-exclusive, we're done */ + if (behavior != EXCLUSIVE) break; - if (wait->flags & WQ_FLAG_WOKEN) + /* If the waker got the lock for us, we're done */ + if (flags & WQ_FLAG_DONE) break; - io_schedule(); + /* + * Otherwise, if we're getting the lock, we need to + * try to get it ourselves. + * + * And if that fails, we'll have to retry this all. + */ + if (unlikely(test_and_set_bit(bit_nr, &page->flags))) + goto repeat; + + wait->flags |= WQ_FLAG_DONE; + break; } + /* + * If a signal happened, this 'finish_wait()' may remove the last + * waiter from the wait-queues, but the PageWaiters bit will remain + * set. That's ok. The next wakeup will take care of it, and trying + * to do it here would be difficult and prone to races. + */ finish_wait(q, wait); if (thrashing) { @@ -1200,12 +1290,20 @@ static inline int wait_on_page_bit_common(wait_queue_head_t *q, } /* - * A signal could leave PageWaiters set. Clearing it here if - * !waitqueue_active would be possible (by open-coding finish_wait), - * but still fail to catch it in the case of wait hash collision. We - * already can fail to clear wait hash collision cases, so don't - * bother with signals either. + * NOTE! The wait->flags weren't stable until we've done the + * 'finish_wait()', and we could have exited the loop above due + * to a signal, and had a wakeup event happen after the signal + * test but before the 'finish_wait()'. + * + * So only after the finish_wait() can we reliably determine + * if we got woken up or not, so we can now figure out the final + * return value based on that state without races. + * + * Also note that WQ_FLAG_WOKEN is sufficient for a non-exclusive + * waiter, but an exclusive one requires WQ_FLAG_DONE. */ + if (behavior == EXCLUSIVE) + return wait->flags & WQ_FLAG_DONE ? 0 : -EINTR; return wait->flags & WQ_FLAG_WOKEN ? 0 : -EINTR; } @@ -2267,7 +2365,11 @@ readpage: } if (!PageUptodate(page)) { - error = lock_page_killable(page); + if (iocb->ki_flags & IOCB_WAITQ) + error = lock_page_async(page, iocb->ki_waitq); + else + error = lock_page_killable(page); + if (unlikely(error)) goto readpage_error; if (!PageUptodate(page)) { diff --git a/mm/gup.c b/mm/gup.c index ae096ea7583fe7..e869c634cc9a68 100644 --- a/mm/gup.c +++ b/mm/gup.c @@ -381,22 +381,13 @@ static int follow_pfn_pte(struct vm_area_struct *vma, unsigned long address, } /* - * FOLL_FORCE or a forced COW break can write even to unwritable pte's, - * but only after we've gone through a COW cycle and they are dirty. + * FOLL_FORCE can write to even unwritable pte's, but only + * after we've gone through a COW cycle and they are dirty. */ static inline bool can_follow_write_pte(pte_t pte, unsigned int flags) { - return pte_write(pte) || ((flags & FOLL_COW) && pte_dirty(pte)); -} - -/* - * A (separate) COW fault might break the page the other way and - * get_user_pages() would return the page from what is now the wrong - * VM. So we need to force a COW break at GUP time even for reads. - */ -static inline bool should_force_cow_break(struct vm_area_struct *vma, unsigned int flags) -{ - return is_cow_mapping(vma->vm_flags) && (flags & (FOLL_GET | FOLL_PIN)); + return pte_write(pte) || + ((flags & FOLL_FORCE) && (flags & FOLL_COW) && pte_dirty(pte)); } static struct page *follow_page_pte(struct vm_area_struct *vma, @@ -843,7 +834,7 @@ static int get_gate_page(struct mm_struct *mm, unsigned long address, goto unmap; *page = pte_page(*pte); } - if (unlikely(!try_get_page(*page))) { + if (unlikely(!try_grab_page(*page, gup_flags))) { ret = -ENOMEM; goto unmap; } @@ -1067,11 +1058,9 @@ static long __get_user_pages(struct mm_struct *mm, goto out; } if (is_vm_hugetlb_page(vma)) { - if (should_force_cow_break(vma, foll_flags)) - foll_flags |= FOLL_WRITE; i = follow_hugetlb_page(mm, vma, pages, vmas, &start, &nr_pages, i, - foll_flags, locked); + gup_flags, locked); if (locked && *locked == 0) { /* * We've got a VM_FAULT_RETRY @@ -1085,10 +1074,6 @@ static long __get_user_pages(struct mm_struct *mm, continue; } } - - if (should_force_cow_break(vma, foll_flags)) - foll_flags |= FOLL_WRITE; - retry: /* * If we have a pending SIGKILL, don't keep faulting pages and @@ -1270,6 +1255,9 @@ static __always_inline long __get_user_pages_locked(struct mm_struct *mm, BUG_ON(*locked != 1); } + if (flags & FOLL_PIN) + atomic_set(&mm->has_pinned, 1); + /* * FOLL_PIN and FOLL_GET are mutually exclusive. Traditional behavior * is to set FOLL_GET if the caller wants pages[] filled in (but has @@ -2500,13 +2488,13 @@ static int gup_huge_pgd(pgd_t orig, pgd_t *pgdp, unsigned long addr, return 1; } -static int gup_pmd_range(pud_t pud, unsigned long addr, unsigned long end, +static int gup_pmd_range(pud_t *pudp, pud_t pud, unsigned long addr, unsigned long end, unsigned int flags, struct page **pages, int *nr) { unsigned long next; pmd_t *pmdp; - pmdp = pmd_offset(&pud, addr); + pmdp = pmd_offset_lockless(pudp, pud, addr); do { pmd_t pmd = READ_ONCE(*pmdp); @@ -2543,13 +2531,13 @@ static int gup_pmd_range(pud_t pud, unsigned long addr, unsigned long end, return 1; } -static int gup_pud_range(p4d_t p4d, unsigned long addr, unsigned long end, +static int gup_pud_range(p4d_t *p4dp, p4d_t p4d, unsigned long addr, unsigned long end, unsigned int flags, struct page **pages, int *nr) { unsigned long next; pud_t *pudp; - pudp = pud_offset(&p4d, addr); + pudp = pud_offset_lockless(p4dp, p4d, addr); do { pud_t pud = READ_ONCE(*pudp); @@ -2564,20 +2552,20 @@ static int gup_pud_range(p4d_t p4d, unsigned long addr, unsigned long end, if (!gup_huge_pd(__hugepd(pud_val(pud)), addr, PUD_SHIFT, next, flags, pages, nr)) return 0; - } else if (!gup_pmd_range(pud, addr, next, flags, pages, nr)) + } else if (!gup_pmd_range(pudp, pud, addr, next, flags, pages, nr)) return 0; } while (pudp++, addr = next, addr != end); return 1; } -static int gup_p4d_range(pgd_t pgd, unsigned long addr, unsigned long end, +static int gup_p4d_range(pgd_t *pgdp, pgd_t pgd, unsigned long addr, unsigned long end, unsigned int flags, struct page **pages, int *nr) { unsigned long next; p4d_t *p4dp; - p4dp = p4d_offset(&pgd, addr); + p4dp = p4d_offset_lockless(pgdp, pgd, addr); do { p4d_t p4d = READ_ONCE(*p4dp); @@ -2589,7 +2577,7 @@ static int gup_p4d_range(pgd_t pgd, unsigned long addr, unsigned long end, if (!gup_huge_pd(__hugepd(p4d_val(p4d)), addr, P4D_SHIFT, next, flags, pages, nr)) return 0; - } else if (!gup_pud_range(p4d, addr, next, flags, pages, nr)) + } else if (!gup_pud_range(p4dp, p4d, addr, next, flags, pages, nr)) return 0; } while (p4dp++, addr = next, addr != end); @@ -2617,7 +2605,7 @@ static void gup_pgd_range(unsigned long addr, unsigned long end, if (!gup_huge_pd(__hugepd(pgd_val(pgd)), addr, PGDIR_SHIFT, next, flags, pages, nr)) return; - } else if (!gup_p4d_range(pgd, addr, next, flags, pages, nr)) + } else if (!gup_p4d_range(pgdp, pgd, addr, next, flags, pages, nr)) return; } while (pgdp++, addr = next, addr != end); } @@ -2675,6 +2663,9 @@ static int internal_get_user_pages_fast(unsigned long start, int nr_pages, FOLL_FAST_ONLY))) return -EINVAL; + if (gup_flags & FOLL_PIN) + atomic_set(¤t->mm->has_pinned, 1); + if (!(gup_flags & FOLL_FAST_ONLY)) might_lock_read(¤t->mm->mmap_lock); @@ -2689,19 +2680,6 @@ static int internal_get_user_pages_fast(unsigned long start, int nr_pages, return -EFAULT; /* - * The FAST_GUP case requires FOLL_WRITE even for pure reads, - * because get_user_pages() may need to cause an early COW in - * order to avoid confusing the normal COW routines. So only - * targets that are already writable are safe to do by just - * looking at the page tables. - * - * NOTE! With FOLL_FAST_ONLY we allow read-only gup_fast() here, - * because there is no slow path to fall back on. But you'd - * better be careful about possible COW pages - you'll get _a_ - * COW page, but not necessarily the one you intended to get - * depending on what COW event happens after this. COW may break - * the page copy in a random direction. - * * Disable interrupts. The nested form is used, in order to allow * full, general purpose use of this routine. * @@ -2714,8 +2692,6 @@ static int internal_get_user_pages_fast(unsigned long start, int nr_pages, */ if (IS_ENABLED(CONFIG_HAVE_FAST_GUP) && gup_fast_permitted(start, end)) { unsigned long fast_flags = gup_flags; - if (!(gup_flags & FOLL_FAST_ONLY)) - fast_flags |= FOLL_WRITE; local_irq_save(flags); gup_pgd_range(addr, end, fast_flags, pages, &nr_pinned); diff --git a/mm/huge_memory.c b/mm/huge_memory.c index 2ccff8472cd4b6..da397779a6d43a 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -1074,6 +1074,24 @@ int copy_huge_pmd(struct mm_struct *dst_mm, struct mm_struct *src_mm, src_page = pmd_page(pmd); VM_BUG_ON_PAGE(!PageHead(src_page), src_page); + + /* + * If this page is a potentially pinned page, split and retry the fault + * with smaller page size. Normally this should not happen because the + * userspace should use MADV_DONTFORK upon pinned regions. This is a + * best effort that the pinned pages won't be replaced by another + * random page during the coming copy-on-write. + */ + if (unlikely(is_cow_mapping(vma->vm_flags) && + atomic_read(&src_mm->has_pinned) && + page_maybe_dma_pinned(src_page))) { + pte_free(dst_mm, pgtable); + spin_unlock(src_ptl); + spin_unlock(dst_ptl); + __split_huge_pmd(vma, src_pmd, addr, false, NULL); + return -EAGAIN; + } + get_page(src_page); page_dup_rmap(src_page, true); add_mm_counter(dst_mm, MM_ANONPAGES, HPAGE_PMD_NR); @@ -1177,6 +1195,16 @@ int copy_huge_pud(struct mm_struct *dst_mm, struct mm_struct *src_mm, /* No huge zero pud yet */ } + /* Please refer to comments in copy_huge_pmd() */ + if (unlikely(is_cow_mapping(vma->vm_flags) && + atomic_read(&src_mm->has_pinned) && + page_maybe_dma_pinned(pud_page(pud)))) { + spin_unlock(src_ptl); + spin_unlock(dst_ptl); + __split_huge_pud(vma, src_pud, addr); + return -EAGAIN; + } + pudp_set_wrprotect(src_mm, addr, src_pud); pud = pud_mkold(pud_wrprotect(pud)); set_pud_at(dst_mm, addr, dst_pud, pud); @@ -1291,12 +1319,13 @@ fallback: } /* - * FOLL_FORCE or a forced COW break can write even to unwritable pmd's, - * but only after we've gone through a COW cycle and they are dirty. + * FOLL_FORCE can write to even unwritable pmd's, but only + * after we've gone through a COW cycle and they are dirty. */ static inline bool can_follow_write_pmd(pmd_t pmd, unsigned int flags) { - return pmd_write(pmd) || ((flags & FOLL_COW) && pmd_dirty(pmd)); + return pmd_write(pmd) || + ((flags & FOLL_FORCE) && (flags & FOLL_COW) && pmd_dirty(pmd)); } struct page *follow_trans_huge_pmd(struct vm_area_struct *vma, @@ -2021,7 +2050,7 @@ static void __split_huge_pmd_locked(struct vm_area_struct *vma, pmd_t *pmd, put_page(page); add_mm_counter(mm, mm_counter_file(page), -HPAGE_PMD_NR); return; - } else if (is_huge_zero_pmd(*pmd)) { + } else if (pmd_trans_huge(*pmd) && is_huge_zero_pmd(*pmd)) { /* * FIXME: Do we want to invalidate secondary mmu by calling * mmu_notifier_invalidate_range() see comments below inside @@ -2115,30 +2144,34 @@ static void __split_huge_pmd_locked(struct vm_area_struct *vma, pmd_t *pmd, pte = pte_offset_map(&_pmd, addr); BUG_ON(!pte_none(*pte)); set_pte_at(mm, addr, pte, entry); - atomic_inc(&page[i]._mapcount); - pte_unmap(pte); - } - - /* - * Set PG_double_map before dropping compound_mapcount to avoid - * false-negative page_mapped(). - */ - if (compound_mapcount(page) > 1 && !TestSetPageDoubleMap(page)) { - for (i = 0; i < HPAGE_PMD_NR; i++) + if (!pmd_migration) atomic_inc(&page[i]._mapcount); + pte_unmap(pte); } - lock_page_memcg(page); - if (atomic_add_negative(-1, compound_mapcount_ptr(page))) { - /* Last compound_mapcount is gone. */ - __dec_lruvec_page_state(page, NR_ANON_THPS); - if (TestClearPageDoubleMap(page)) { - /* No need in mapcount reference anymore */ + if (!pmd_migration) { + /* + * Set PG_double_map before dropping compound_mapcount to avoid + * false-negative page_mapped(). + */ + if (compound_mapcount(page) > 1 && + !TestSetPageDoubleMap(page)) { for (i = 0; i < HPAGE_PMD_NR; i++) - atomic_dec(&page[i]._mapcount); + atomic_inc(&page[i]._mapcount); + } + + lock_page_memcg(page); + if (atomic_add_negative(-1, compound_mapcount_ptr(page))) { + /* Last compound_mapcount is gone. */ + __dec_lruvec_page_state(page, NR_ANON_THPS); + if (TestClearPageDoubleMap(page)) { + /* No need in mapcount reference anymore */ + for (i = 0; i < HPAGE_PMD_NR; i++) + atomic_dec(&page[i]._mapcount); + } } + unlock_page_memcg(page); } - unlock_page_memcg(page); smp_wmb(); /* make pte visible before pmd */ pmd_populate(mm, pmd, pgtable); diff --git a/mm/hugetlb.c b/mm/hugetlb.c index a301c2d672bf52..67fc6383995b43 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -1250,21 +1250,32 @@ static struct page *alloc_gigantic_page(struct hstate *h, gfp_t gfp_mask, int nid, nodemask_t *nodemask) { unsigned long nr_pages = 1UL << huge_page_order(h); + if (nid == NUMA_NO_NODE) + nid = numa_mem_id(); #ifdef CONFIG_CMA { struct page *page; int node; - for_each_node_mask(node, *nodemask) { - if (!hugetlb_cma[node]) - continue; - - page = cma_alloc(hugetlb_cma[node], nr_pages, - huge_page_order(h), true); + if (hugetlb_cma[nid]) { + page = cma_alloc(hugetlb_cma[nid], nr_pages, + huge_page_order(h), true); if (page) return page; } + + if (!(gfp_mask & __GFP_THISNODE)) { + for_each_node_mask(node, *nodemask) { + if (node == nid || !hugetlb_cma[node]) + continue; + + page = cma_alloc(hugetlb_cma[node], nr_pages, + huge_page_order(h), true); + if (page) + return page; + } + } } #endif @@ -3454,6 +3465,22 @@ static unsigned int allowed_mems_nr(struct hstate *h) } #ifdef CONFIG_SYSCTL +static int proc_hugetlb_doulongvec_minmax(struct ctl_table *table, int write, + void *buffer, size_t *length, + loff_t *ppos, unsigned long *out) +{ + struct ctl_table dup_table; + + /* + * In order to avoid races with __do_proc_doulongvec_minmax(), we + * can duplicate the @table and alter the duplicate of it. + */ + dup_table = *table; + dup_table.data = out; + + return proc_doulongvec_minmax(&dup_table, write, buffer, length, ppos); +} + static int hugetlb_sysctl_handler_common(bool obey_mempolicy, struct ctl_table *table, int write, void *buffer, size_t *length, loff_t *ppos) @@ -3465,9 +3492,8 @@ static int hugetlb_sysctl_handler_common(bool obey_mempolicy, if (!hugepages_supported()) return -EOPNOTSUPP; - table->data = &tmp; - table->maxlen = sizeof(unsigned long); - ret = proc_doulongvec_minmax(table, write, buffer, length, ppos); + ret = proc_hugetlb_doulongvec_minmax(table, write, buffer, length, ppos, + &tmp); if (ret) goto out; @@ -3510,9 +3536,8 @@ int hugetlb_overcommit_handler(struct ctl_table *table, int write, if (write && hstate_is_gigantic(h)) return -EINVAL; - table->data = &tmp; - table->maxlen = sizeof(unsigned long); - ret = proc_doulongvec_minmax(table, write, buffer, length, ppos); + ret = proc_hugetlb_doulongvec_minmax(table, write, buffer, length, ppos, + &tmp); if (ret) goto out; diff --git a/mm/khugepaged.c b/mm/khugepaged.c index e749e568e1eabc..cfa0dba5fd3bc3 100644 --- a/mm/khugepaged.c +++ b/mm/khugepaged.c @@ -1709,7 +1709,7 @@ static void collapse_file(struct mm_struct *mm, xas_unlock_irq(&xas); page_cache_sync_readahead(mapping, &file->f_ra, file, index, - PAGE_SIZE); + end - index); /* drain pagevecs to help isolate_lru_page() */ lru_add_drain(); page = find_lock_page(mapping, index); diff --git a/mm/ksm.c b/mm/ksm.c index 0aa2247bddd76d..9afccc36dbd209 100644 --- a/mm/ksm.c +++ b/mm/ksm.c @@ -2453,6 +2453,10 @@ int ksm_madvise(struct vm_area_struct *vma, unsigned long start, if (vma_is_dax(vma)) return 0; +#ifdef VM_SAO + if (*vm_flags & VM_SAO) + return 0; +#endif #ifdef VM_SPARC_ADI if (*vm_flags & VM_SPARC_ADI) return 0; @@ -2582,6 +2586,10 @@ struct page *ksm_might_need_to_copy(struct page *page, return page; /* let do_swap_page report the error */ new_page = alloc_page_vma(GFP_HIGHUSER_MOVABLE, vma, address); + if (new_page && mem_cgroup_charge(new_page, vma->vm_mm, GFP_KERNEL)) { + put_page(new_page); + new_page = NULL; + } if (new_page) { copy_user_highpage(new_page, page, address, vma); @@ -2657,31 +2665,6 @@ again: goto again; } -bool reuse_ksm_page(struct page *page, - struct vm_area_struct *vma, - unsigned long address) -{ -#ifdef CONFIG_DEBUG_VM - if (WARN_ON(is_zero_pfn(page_to_pfn(page))) || - WARN_ON(!page_mapped(page)) || - WARN_ON(!PageLocked(page))) { - dump_page(page, "reuse_ksm_page"); - return false; - } -#endif - - if (PageSwapCache(page) || !page_stable_node(page)) - return false; - /* Prohibit parallel get_ksm_page() */ - if (!page_ref_freeze(page, 1)) - return false; - - page_move_anon_rmap(page, vma); - page->index = linear_page_index(vma, address); - page_ref_unfreeze(page, 1); - - return true; -} #ifdef CONFIG_MIGRATION void ksm_migrate_page(struct page *newpage, struct page *oldpage) { diff --git a/mm/madvise.c b/mm/madvise.c index dd1d43cf026dea..0e0d61003fc6f3 100644 --- a/mm/madvise.c +++ b/mm/madvise.c @@ -289,9 +289,9 @@ static long madvise_willneed(struct vm_area_struct *vma, */ *prev = NULL; /* tell sys_madvise we drop mmap_lock */ get_file(file); - mmap_read_unlock(current->mm); offset = (loff_t)(start - vma->vm_start) + ((loff_t)vma->vm_pgoff << PAGE_SHIFT); + mmap_read_unlock(current->mm); vfs_fadvise(file, offset, end - start, POSIX_FADV_WILLNEED); fput(file); mmap_read_lock(current->mm); @@ -381,9 +381,9 @@ huge_unlock: return 0; } +regular_page: if (pmd_trans_unstable(pmd)) return 0; -regular_page: #endif tlb_change_page_size(tlb, PAGE_SIZE); orig_pte = pte = pte_offset_map_lock(vma->vm_mm, pmd, addr, &ptl); diff --git a/mm/memcontrol.c b/mm/memcontrol.c index b807952b4d431b..6877c765b8d037 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -1538,9 +1538,9 @@ static char *memory_stat_format(struct mem_cgroup *memcg) memcg_page_state(memcg, WORKINGSET_ACTIVATE_ANON)); seq_buf_printf(&s, "workingset_activate_file %lu\n", memcg_page_state(memcg, WORKINGSET_ACTIVATE_FILE)); - seq_buf_printf(&s, "workingset_restore %lu\n", + seq_buf_printf(&s, "workingset_restore_anon %lu\n", memcg_page_state(memcg, WORKINGSET_RESTORE_ANON)); - seq_buf_printf(&s, "workingset_restore %lu\n", + seq_buf_printf(&s, "workingset_restore_file %lu\n", memcg_page_state(memcg, WORKINGSET_RESTORE_FILE)); seq_buf_printf(&s, "workingset_nodereclaim %lu\n", memcg_page_state(memcg, WORKINGSET_NODERECLAIM)); @@ -6774,6 +6774,9 @@ static void uncharge_batch(const struct uncharge_gather *ug) __this_cpu_add(ug->memcg->vmstats_percpu->nr_page_events, ug->nr_pages); memcg_check_events(ug->memcg, ug->dummy_page); local_irq_restore(flags); + + /* drop reference from uncharge_page */ + css_put(&ug->memcg->css); } static void uncharge_page(struct page *page, struct uncharge_gather *ug) @@ -6797,6 +6800,9 @@ static void uncharge_page(struct page *page, struct uncharge_gather *ug) uncharge_gather_clear(ug); } ug->memcg = page->mem_cgroup; + + /* pairs with css_put in uncharge_batch */ + css_get(&ug->memcg->css); } nr_pages = compound_nr(page); diff --git a/mm/memory.c b/mm/memory.c index 602f4283122f7e..eeae590e526aa8 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -73,6 +73,7 @@ #include <linux/numa.h> #include <linux/perf_event.h> #include <linux/ptrace.h> +#include <linux/vmalloc.h> #include <trace/events/kmem.h> @@ -83,6 +84,7 @@ #include <asm/tlb.h> #include <asm/tlbflush.h> +#include "pgalloc-track.h" #include "internal.h" #if defined(LAST_CPUPID_NOT_IN_PAGE_FLAGS) && !defined(CONFIG_COMPILE_TEST) @@ -693,84 +695,185 @@ out: * covered by this vma. */ -static inline unsigned long -copy_one_pte(struct mm_struct *dst_mm, struct mm_struct *src_mm, +static unsigned long +copy_nonpresent_pte(struct mm_struct *dst_mm, struct mm_struct *src_mm, pte_t *dst_pte, pte_t *src_pte, struct vm_area_struct *vma, unsigned long addr, int *rss) { unsigned long vm_flags = vma->vm_flags; pte_t pte = *src_pte; struct page *page; + swp_entry_t entry = pte_to_swp_entry(pte); + + if (likely(!non_swap_entry(entry))) { + if (swap_duplicate(entry) < 0) + return entry.val; + + /* make sure dst_mm is on swapoff's mmlist. */ + if (unlikely(list_empty(&dst_mm->mmlist))) { + spin_lock(&mmlist_lock); + if (list_empty(&dst_mm->mmlist)) + list_add(&dst_mm->mmlist, + &src_mm->mmlist); + spin_unlock(&mmlist_lock); + } + rss[MM_SWAPENTS]++; + } else if (is_migration_entry(entry)) { + page = migration_entry_to_page(entry); - /* pte contains position in swap or file, so copy. */ - if (unlikely(!pte_present(pte))) { - swp_entry_t entry = pte_to_swp_entry(pte); - - if (likely(!non_swap_entry(entry))) { - if (swap_duplicate(entry) < 0) - return entry.val; - - /* make sure dst_mm is on swapoff's mmlist. */ - if (unlikely(list_empty(&dst_mm->mmlist))) { - spin_lock(&mmlist_lock); - if (list_empty(&dst_mm->mmlist)) - list_add(&dst_mm->mmlist, - &src_mm->mmlist); - spin_unlock(&mmlist_lock); - } - rss[MM_SWAPENTS]++; - } else if (is_migration_entry(entry)) { - page = migration_entry_to_page(entry); - - rss[mm_counter(page)]++; - - if (is_write_migration_entry(entry) && - is_cow_mapping(vm_flags)) { - /* - * COW mappings require pages in both - * parent and child to be set to read. - */ - make_migration_entry_read(&entry); - pte = swp_entry_to_pte(entry); - if (pte_swp_soft_dirty(*src_pte)) - pte = pte_swp_mksoft_dirty(pte); - if (pte_swp_uffd_wp(*src_pte)) - pte = pte_swp_mkuffd_wp(pte); - set_pte_at(src_mm, addr, src_pte, pte); - } - } else if (is_device_private_entry(entry)) { - page = device_private_entry_to_page(entry); + rss[mm_counter(page)]++; + if (is_write_migration_entry(entry) && + is_cow_mapping(vm_flags)) { /* - * Update rss count even for unaddressable pages, as - * they should treated just like normal pages in this - * respect. - * - * We will likely want to have some new rss counters - * for unaddressable pages, at some point. But for now - * keep things as they are. + * COW mappings require pages in both + * parent and child to be set to read. */ - get_page(page); - rss[mm_counter(page)]++; - page_dup_rmap(page, false); + make_migration_entry_read(&entry); + pte = swp_entry_to_pte(entry); + if (pte_swp_soft_dirty(*src_pte)) + pte = pte_swp_mksoft_dirty(pte); + if (pte_swp_uffd_wp(*src_pte)) + pte = pte_swp_mkuffd_wp(pte); + set_pte_at(src_mm, addr, src_pte, pte); + } + } else if (is_device_private_entry(entry)) { + page = device_private_entry_to_page(entry); - /* - * We do not preserve soft-dirty information, because so - * far, checkpoint/restore is the only feature that - * requires that. And checkpoint/restore does not work - * when a device driver is involved (you cannot easily - * save and restore device driver state). - */ - if (is_write_device_private_entry(entry) && - is_cow_mapping(vm_flags)) { - make_device_private_entry_read(&entry); - pte = swp_entry_to_pte(entry); - if (pte_swp_uffd_wp(*src_pte)) - pte = pte_swp_mkuffd_wp(pte); - set_pte_at(src_mm, addr, src_pte, pte); - } + /* + * Update rss count even for unaddressable pages, as + * they should treated just like normal pages in this + * respect. + * + * We will likely want to have some new rss counters + * for unaddressable pages, at some point. But for now + * keep things as they are. + */ + get_page(page); + rss[mm_counter(page)]++; + page_dup_rmap(page, false); + + /* + * We do not preserve soft-dirty information, because so + * far, checkpoint/restore is the only feature that + * requires that. And checkpoint/restore does not work + * when a device driver is involved (you cannot easily + * save and restore device driver state). + */ + if (is_write_device_private_entry(entry) && + is_cow_mapping(vm_flags)) { + make_device_private_entry_read(&entry); + pte = swp_entry_to_pte(entry); + if (pte_swp_uffd_wp(*src_pte)) + pte = pte_swp_mkuffd_wp(pte); + set_pte_at(src_mm, addr, src_pte, pte); } - goto out_set_pte; + } + set_pte_at(dst_mm, addr, dst_pte, pte); + return 0; +} + +/* + * Copy a present and normal page if necessary. + * + * NOTE! The usual case is that this doesn't need to do + * anything, and can just return a positive value. That + * will let the caller know that it can just increase + * the page refcount and re-use the pte the traditional + * way. + * + * But _if_ we need to copy it because it needs to be + * pinned in the parent (and the child should get its own + * copy rather than just a reference to the same page), + * we'll do that here and return zero to let the caller + * know we're done. + * + * And if we need a pre-allocated page but don't yet have + * one, return a negative error to let the preallocation + * code know so that it can do so outside the page table + * lock. + */ +static inline int +copy_present_page(struct mm_struct *dst_mm, struct mm_struct *src_mm, + pte_t *dst_pte, pte_t *src_pte, + struct vm_area_struct *vma, struct vm_area_struct *new, + unsigned long addr, int *rss, struct page **prealloc, + pte_t pte, struct page *page) +{ + struct page *new_page; + + if (!is_cow_mapping(vma->vm_flags)) + return 1; + + /* + * What we want to do is to check whether this page may + * have been pinned by the parent process. If so, + * instead of wrprotect the pte on both sides, we copy + * the page immediately so that we'll always guarantee + * the pinned page won't be randomly replaced in the + * future. + * + * The page pinning checks are just "has this mm ever + * seen pinning", along with the (inexact) check of + * the page count. That might give false positives for + * for pinning, but it will work correctly. + */ + if (likely(!atomic_read(&src_mm->has_pinned))) + return 1; + if (likely(!page_maybe_dma_pinned(page))) + return 1; + + new_page = *prealloc; + if (!new_page) + return -EAGAIN; + + /* + * We have a prealloc page, all good! Take it + * over and copy the page & arm it. + */ + *prealloc = NULL; + copy_user_highpage(new_page, page, addr, vma); + __SetPageUptodate(new_page); + page_add_new_anon_rmap(new_page, new, addr, false); + lru_cache_add_inactive_or_unevictable(new_page, new); + rss[mm_counter(new_page)]++; + + /* All done, just insert the new page copy in the child */ + pte = mk_pte(new_page, new->vm_page_prot); + pte = maybe_mkwrite(pte_mkdirty(pte), new); + set_pte_at(dst_mm, addr, dst_pte, pte); + return 0; +} + +/* + * Copy one pte. Returns 0 if succeeded, or -EAGAIN if one preallocated page + * is required to copy this pte. + */ +static inline int +copy_present_pte(struct mm_struct *dst_mm, struct mm_struct *src_mm, + pte_t *dst_pte, pte_t *src_pte, struct vm_area_struct *vma, + struct vm_area_struct *new, + unsigned long addr, int *rss, struct page **prealloc) +{ + unsigned long vm_flags = vma->vm_flags; + pte_t pte = *src_pte; + struct page *page; + + page = vm_normal_page(vma, addr, pte); + if (page) { + int retval; + + retval = copy_present_page(dst_mm, src_mm, + dst_pte, src_pte, + vma, new, + addr, rss, prealloc, + pte, page); + if (retval <= 0) + return retval; + + get_page(page); + page_dup_rmap(page, false); + rss[mm_counter(page)]++; } /* @@ -798,35 +901,51 @@ copy_one_pte(struct mm_struct *dst_mm, struct mm_struct *src_mm, if (!(vm_flags & VM_UFFD_WP)) pte = pte_clear_uffd_wp(pte); - page = vm_normal_page(vma, addr, pte); - if (page) { - get_page(page); - page_dup_rmap(page, false); - rss[mm_counter(page)]++; - } - -out_set_pte: set_pte_at(dst_mm, addr, dst_pte, pte); return 0; } +static inline struct page * +page_copy_prealloc(struct mm_struct *src_mm, struct vm_area_struct *vma, + unsigned long addr) +{ + struct page *new_page; + + new_page = alloc_page_vma(GFP_HIGHUSER_MOVABLE, vma, addr); + if (!new_page) + return NULL; + + if (mem_cgroup_charge(new_page, src_mm, GFP_KERNEL)) { + put_page(new_page); + return NULL; + } + cgroup_throttle_swaprate(new_page, GFP_KERNEL); + + return new_page; +} + static int copy_pte_range(struct mm_struct *dst_mm, struct mm_struct *src_mm, pmd_t *dst_pmd, pmd_t *src_pmd, struct vm_area_struct *vma, + struct vm_area_struct *new, unsigned long addr, unsigned long end) { pte_t *orig_src_pte, *orig_dst_pte; pte_t *src_pte, *dst_pte; spinlock_t *src_ptl, *dst_ptl; - int progress = 0; + int progress, ret = 0; int rss[NR_MM_COUNTERS]; swp_entry_t entry = (swp_entry_t){0}; + struct page *prealloc = NULL; again: + progress = 0; init_rss_vec(rss); dst_pte = pte_alloc_map_lock(dst_mm, dst_pmd, addr, &dst_ptl); - if (!dst_pte) - return -ENOMEM; + if (!dst_pte) { + ret = -ENOMEM; + goto out; + } src_pte = pte_offset_map(src_pmd, addr); src_ptl = pte_lockptr(src_mm, src_pmd); spin_lock_nested(src_ptl, SINGLE_DEPTH_NESTING); @@ -849,10 +968,34 @@ again: progress++; continue; } - entry.val = copy_one_pte(dst_mm, src_mm, dst_pte, src_pte, + if (unlikely(!pte_present(*src_pte))) { + entry.val = copy_nonpresent_pte(dst_mm, src_mm, + dst_pte, src_pte, vma, addr, rss); - if (entry.val) + if (entry.val) + break; + progress += 8; + continue; + } + /* copy_present_pte() will clear `*prealloc' if consumed */ + ret = copy_present_pte(dst_mm, src_mm, dst_pte, src_pte, + vma, new, addr, rss, &prealloc); + /* + * If we need a pre-allocated page for this pte, drop the + * locks, allocate, and try again. + */ + if (unlikely(ret == -EAGAIN)) break; + if (unlikely(prealloc)) { + /* + * pre-alloc page cannot be reused by next time so as + * to strictly follow mempolicy (e.g., alloc_page_vma() + * will allocate page according to address). This + * could only happen if one pinned pte changed. + */ + put_page(prealloc); + prealloc = NULL; + } progress += 8; } while (dst_pte++, src_pte++, addr += PAGE_SIZE, addr != end); @@ -864,17 +1007,30 @@ again: cond_resched(); if (entry.val) { - if (add_swap_count_continuation(entry, GFP_KERNEL) < 0) + if (add_swap_count_continuation(entry, GFP_KERNEL) < 0) { + ret = -ENOMEM; + goto out; + } + entry.val = 0; + } else if (ret) { + WARN_ON_ONCE(ret != -EAGAIN); + prealloc = page_copy_prealloc(src_mm, vma, addr); + if (!prealloc) return -ENOMEM; - progress = 0; + /* We've captured and resolved the error. Reset, try again. */ + ret = 0; } if (addr != end) goto again; - return 0; +out: + if (unlikely(prealloc)) + put_page(prealloc); + return ret; } static inline int copy_pmd_range(struct mm_struct *dst_mm, struct mm_struct *src_mm, pud_t *dst_pud, pud_t *src_pud, struct vm_area_struct *vma, + struct vm_area_struct *new, unsigned long addr, unsigned long end) { pmd_t *src_pmd, *dst_pmd; @@ -901,7 +1057,7 @@ static inline int copy_pmd_range(struct mm_struct *dst_mm, struct mm_struct *src if (pmd_none_or_clear_bad(src_pmd)) continue; if (copy_pte_range(dst_mm, src_mm, dst_pmd, src_pmd, - vma, addr, next)) + vma, new, addr, next)) return -ENOMEM; } while (dst_pmd++, src_pmd++, addr = next, addr != end); return 0; @@ -909,6 +1065,7 @@ static inline int copy_pmd_range(struct mm_struct *dst_mm, struct mm_struct *src static inline int copy_pud_range(struct mm_struct *dst_mm, struct mm_struct *src_mm, p4d_t *dst_p4d, p4d_t *src_p4d, struct vm_area_struct *vma, + struct vm_area_struct *new, unsigned long addr, unsigned long end) { pud_t *src_pud, *dst_pud; @@ -935,7 +1092,7 @@ static inline int copy_pud_range(struct mm_struct *dst_mm, struct mm_struct *src if (pud_none_or_clear_bad(src_pud)) continue; if (copy_pmd_range(dst_mm, src_mm, dst_pud, src_pud, - vma, addr, next)) + vma, new, addr, next)) return -ENOMEM; } while (dst_pud++, src_pud++, addr = next, addr != end); return 0; @@ -943,6 +1100,7 @@ static inline int copy_pud_range(struct mm_struct *dst_mm, struct mm_struct *src static inline int copy_p4d_range(struct mm_struct *dst_mm, struct mm_struct *src_mm, pgd_t *dst_pgd, pgd_t *src_pgd, struct vm_area_struct *vma, + struct vm_area_struct *new, unsigned long addr, unsigned long end) { p4d_t *src_p4d, *dst_p4d; @@ -957,14 +1115,14 @@ static inline int copy_p4d_range(struct mm_struct *dst_mm, struct mm_struct *src if (p4d_none_or_clear_bad(src_p4d)) continue; if (copy_pud_range(dst_mm, src_mm, dst_p4d, src_p4d, - vma, addr, next)) + vma, new, addr, next)) return -ENOMEM; } while (dst_p4d++, src_p4d++, addr = next, addr != end); return 0; } int copy_page_range(struct mm_struct *dst_mm, struct mm_struct *src_mm, - struct vm_area_struct *vma) + struct vm_area_struct *vma, struct vm_area_struct *new) { pgd_t *src_pgd, *dst_pgd; unsigned long next; @@ -1019,7 +1177,7 @@ int copy_page_range(struct mm_struct *dst_mm, struct mm_struct *src_mm, if (pgd_none_or_clear_bad(src_pgd)) continue; if (unlikely(copy_p4d_range(dst_mm, src_mm, dst_pgd, src_pgd, - vma, addr, next))) { + vma, new, addr, next))) { ret = -ENOMEM; break; } @@ -2206,7 +2364,8 @@ EXPORT_SYMBOL(vm_iomap_memory); static int apply_to_pte_range(struct mm_struct *mm, pmd_t *pmd, unsigned long addr, unsigned long end, - pte_fn_t fn, void *data, bool create) + pte_fn_t fn, void *data, bool create, + pgtbl_mod_mask *mask) { pte_t *pte; int err = 0; @@ -2214,7 +2373,7 @@ static int apply_to_pte_range(struct mm_struct *mm, pmd_t *pmd, if (create) { pte = (mm == &init_mm) ? - pte_alloc_kernel(pmd, addr) : + pte_alloc_kernel_track(pmd, addr, mask) : pte_alloc_map_lock(mm, pmd, addr, &ptl); if (!pte) return -ENOMEM; @@ -2235,6 +2394,7 @@ static int apply_to_pte_range(struct mm_struct *mm, pmd_t *pmd, break; } } while (addr += PAGE_SIZE, addr != end); + *mask |= PGTBL_PTE_MODIFIED; arch_leave_lazy_mmu_mode(); @@ -2245,7 +2405,8 @@ static int apply_to_pte_range(struct mm_struct *mm, pmd_t *pmd, static int apply_to_pmd_range(struct mm_struct *mm, pud_t *pud, unsigned long addr, unsigned long end, - pte_fn_t fn, void *data, bool create) + pte_fn_t fn, void *data, bool create, + pgtbl_mod_mask *mask) { pmd_t *pmd; unsigned long next; @@ -2254,7 +2415,7 @@ static int apply_to_pmd_range(struct mm_struct *mm, pud_t *pud, BUG_ON(pud_huge(*pud)); if (create) { - pmd = pmd_alloc(mm, pud, addr); + pmd = pmd_alloc_track(mm, pud, addr, mask); if (!pmd) return -ENOMEM; } else { @@ -2264,7 +2425,7 @@ static int apply_to_pmd_range(struct mm_struct *mm, pud_t *pud, next = pmd_addr_end(addr, end); if (create || !pmd_none_or_clear_bad(pmd)) { err = apply_to_pte_range(mm, pmd, addr, next, fn, data, - create); + create, mask); if (err) break; } @@ -2274,14 +2435,15 @@ static int apply_to_pmd_range(struct mm_struct *mm, pud_t *pud, static int apply_to_pud_range(struct mm_struct *mm, p4d_t *p4d, unsigned long addr, unsigned long end, - pte_fn_t fn, void *data, bool create) + pte_fn_t fn, void *data, bool create, + pgtbl_mod_mask *mask) { pud_t *pud; unsigned long next; int err = 0; if (create) { - pud = pud_alloc(mm, p4d, addr); + pud = pud_alloc_track(mm, p4d, addr, mask); if (!pud) return -ENOMEM; } else { @@ -2291,7 +2453,7 @@ static int apply_to_pud_range(struct mm_struct *mm, p4d_t *p4d, next = pud_addr_end(addr, end); if (create || !pud_none_or_clear_bad(pud)) { err = apply_to_pmd_range(mm, pud, addr, next, fn, data, - create); + create, mask); if (err) break; } @@ -2301,14 +2463,15 @@ static int apply_to_pud_range(struct mm_struct *mm, p4d_t *p4d, static int apply_to_p4d_range(struct mm_struct *mm, pgd_t *pgd, unsigned long addr, unsigned long end, - pte_fn_t fn, void *data, bool create) + pte_fn_t fn, void *data, bool create, + pgtbl_mod_mask *mask) { p4d_t *p4d; unsigned long next; int err = 0; if (create) { - p4d = p4d_alloc(mm, pgd, addr); + p4d = p4d_alloc_track(mm, pgd, addr, mask); if (!p4d) return -ENOMEM; } else { @@ -2318,7 +2481,7 @@ static int apply_to_p4d_range(struct mm_struct *mm, pgd_t *pgd, next = p4d_addr_end(addr, end); if (create || !p4d_none_or_clear_bad(p4d)) { err = apply_to_pud_range(mm, p4d, addr, next, fn, data, - create); + create, mask); if (err) break; } @@ -2331,8 +2494,9 @@ static int __apply_to_page_range(struct mm_struct *mm, unsigned long addr, void *data, bool create) { pgd_t *pgd; - unsigned long next; + unsigned long start = addr, next; unsigned long end = addr + size; + pgtbl_mod_mask mask = 0; int err = 0; if (WARN_ON(addr >= end)) @@ -2343,11 +2507,14 @@ static int __apply_to_page_range(struct mm_struct *mm, unsigned long addr, next = pgd_addr_end(addr, end); if (!create && pgd_none_or_clear_bad(pgd)) continue; - err = apply_to_p4d_range(mm, pgd, addr, next, fn, data, create); + err = apply_to_p4d_range(mm, pgd, addr, next, fn, data, create, &mask); if (err) break; } while (pgd++, addr = next, addr != end); + if (mask & ARCH_PAGE_TABLE_SYNC_MASK) + arch_sync_kernel_mappings(start, start + size); + return err; } @@ -2622,6 +2789,7 @@ static inline void wp_page_reuse(struct vm_fault *vmf) if (ptep_set_access_flags(vma, vmf->address, vmf->pte, entry, 1)) update_mmu_cache(vma, vmf->address, vmf->pte); pte_unmap_unlock(vmf->pte, vmf->ptl); + count_vm_event(PGREUSE); } /* @@ -2927,50 +3095,25 @@ static vm_fault_t do_wp_page(struct vm_fault *vmf) * not dirty accountable. */ if (PageAnon(vmf->page)) { - int total_map_swapcount; - if (PageKsm(vmf->page) && (PageSwapCache(vmf->page) || - page_count(vmf->page) != 1)) + struct page *page = vmf->page; + + /* PageKsm() doesn't necessarily raise the page refcount */ + if (PageKsm(page) || page_count(page) != 1) + goto copy; + if (!trylock_page(page)) + goto copy; + if (PageKsm(page) || page_mapcount(page) != 1 || page_count(page) != 1) { + unlock_page(page); goto copy; - if (!trylock_page(vmf->page)) { - get_page(vmf->page); - pte_unmap_unlock(vmf->pte, vmf->ptl); - lock_page(vmf->page); - vmf->pte = pte_offset_map_lock(vma->vm_mm, vmf->pmd, - vmf->address, &vmf->ptl); - if (!pte_same(*vmf->pte, vmf->orig_pte)) { - update_mmu_tlb(vma, vmf->address, vmf->pte); - unlock_page(vmf->page); - pte_unmap_unlock(vmf->pte, vmf->ptl); - put_page(vmf->page); - return 0; - } - put_page(vmf->page); - } - if (PageKsm(vmf->page)) { - bool reused = reuse_ksm_page(vmf->page, vmf->vma, - vmf->address); - unlock_page(vmf->page); - if (!reused) - goto copy; - wp_page_reuse(vmf); - return VM_FAULT_WRITE; - } - if (reuse_swap_page(vmf->page, &total_map_swapcount)) { - if (total_map_swapcount == 1) { - /* - * The page is all ours. Move it to - * our anon_vma so the rmap code will - * not search our parent or siblings. - * Protected against the rmap code by - * the page lock. - */ - page_move_anon_rmap(vmf->page, vma); - } - unlock_page(vmf->page); - wp_page_reuse(vmf); - return VM_FAULT_WRITE; } - unlock_page(vmf->page); + /* + * Ok, we've got the only map reference, and the only + * page count reference, and the page is locked, + * it's dark out, and we're wearing sunglasses. Hit it. + */ + unlock_page(page); + wp_page_reuse(vmf); + return VM_FAULT_WRITE; } else if (unlikely((vma->vm_flags & (VM_WRITE|VM_SHARED)) == (VM_WRITE|VM_SHARED))) { return wp_page_shared(vmf); diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c index e9d5ab5d3ca097..ce3e73e3a5c1bb 100644 --- a/mm/memory_hotplug.c +++ b/mm/memory_hotplug.c @@ -729,7 +729,7 @@ void __ref move_pfn_range_to_zone(struct zone *zone, unsigned long start_pfn, * are reserved so nobody should be touching them so we should be safe */ memmap_init_zone(nr_pages, nid, zone_idx(zone), start_pfn, - MEMMAP_HOTPLUG, altmap); + MEMINIT_HOTPLUG, altmap); set_zone_contiguous(zone); } @@ -1080,7 +1080,8 @@ int __ref add_memory_resource(int nid, struct resource *res) } /* link memory sections under this node.*/ - ret = link_mem_sections(nid, PFN_DOWN(start), PFN_UP(start + size - 1)); + ret = link_mem_sections(nid, PFN_DOWN(start), PFN_UP(start + size - 1), + MEMINIT_HOTPLUG); BUG_ON(ret); /* create new memmap entry */ @@ -1575,6 +1576,20 @@ static int __ref __offline_pages(unsigned long start_pfn, /* check again */ ret = walk_system_ram_range(start_pfn, end_pfn - start_pfn, NULL, check_pages_isolated_cb); + /* + * per-cpu pages are drained in start_isolate_page_range, but if + * there are still pages that are not free, make sure that we + * drain again, because when we isolated range we might + * have raced with another thread that was adding pages to pcp + * list. + * + * Forward progress should be still guaranteed because + * pages on the pcp list can only belong to MOVABLE_ZONE + * because has_unmovable_pages explicitly checks for + * PageBuddy on freed pages on other zones. + */ + if (ret) + drain_all_pages(zone); } while (ret); /* Ok, all of our target is isolated. diff --git a/mm/memremap.c b/mm/memremap.c index 03e38b7a38f1a4..006dace60b1a9d 100644 --- a/mm/memremap.c +++ b/mm/memremap.c @@ -216,7 +216,7 @@ void *memremap_pages(struct dev_pagemap *pgmap, int nid) return ERR_PTR(-EINVAL); } break; - case MEMORY_DEVICE_DEVDAX: + case MEMORY_DEVICE_GENERIC: need_devmap_managed = false; break; case MEMORY_DEVICE_PCI_P2PDMA: diff --git a/mm/migrate.c b/mm/migrate.c index 34a842a8eb6a7b..04a98bb2f568f6 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -246,13 +246,13 @@ static bool remove_migration_pte(struct page *page, struct vm_area_struct *vma, else if (pte_swp_uffd_wp(*pvmw.pte)) pte = pte_mkuffd_wp(pte); - if (unlikely(is_zone_device_page(new))) { - if (is_device_private_page(new)) { - entry = make_device_private_entry(new, pte_write(pte)); - pte = swp_entry_to_pte(entry); - if (pte_swp_uffd_wp(*pvmw.pte)) - pte = pte_mkuffd_wp(pte); - } + if (unlikely(is_device_private_page(new))) { + entry = make_device_private_entry(new, pte_write(pte)); + pte = swp_entry_to_pte(entry); + if (pte_swp_soft_dirty(*pvmw.pte)) + pte = pte_swp_mksoft_dirty(pte); + if (pte_swp_uffd_wp(*pvmw.pte)) + pte = pte_swp_mkuffd_wp(pte); } #ifdef CONFIG_HUGETLB_PAGE @@ -668,7 +668,8 @@ void migrate_page_states(struct page *newpage, struct page *page) copy_page_owner(page, newpage); - mem_cgroup_migrate(page, newpage); + if (!PageHuge(page)) + mem_cgroup_migrate(page, newpage); } EXPORT_SYMBOL(migrate_page_states); @@ -1445,7 +1446,7 @@ retry: * Capture required information that might get lost * during migration. */ - is_thp = PageTransHuge(page); + is_thp = PageTransHuge(page) && !PageHuge(page); nr_subpages = thp_nr_pages(page); cond_resched(); @@ -1471,7 +1472,7 @@ retry: * we encounter them after the rest of the list * is processed. */ - if (PageTransHuge(page) && !PageHuge(page)) { + if (is_thp) { lock_page(page); rc = split_huge_page_to_list(page, from); unlock_page(page); @@ -1480,8 +1481,7 @@ retry: nr_thp_split++; goto retry; } - } - if (is_thp) { + nr_thp_failed++; nr_failed += nr_subpages; goto out; @@ -2427,10 +2427,17 @@ again: entry = make_migration_entry(page, mpfn & MIGRATE_PFN_WRITE); swp_pte = swp_entry_to_pte(entry); - if (pte_soft_dirty(pte)) - swp_pte = pte_swp_mksoft_dirty(swp_pte); - if (pte_uffd_wp(pte)) - swp_pte = pte_swp_mkuffd_wp(swp_pte); + if (pte_present(pte)) { + if (pte_soft_dirty(pte)) + swp_pte = pte_swp_mksoft_dirty(swp_pte); + if (pte_uffd_wp(pte)) + swp_pte = pte_swp_mkuffd_wp(swp_pte); + } else { + if (pte_swp_soft_dirty(pte)) + swp_pte = pte_swp_mksoft_dirty(swp_pte); + if (pte_swp_uffd_wp(pte)) + swp_pte = pte_swp_mkuffd_wp(swp_pte); + } set_pte_at(mm, addr, ptep, swp_pte); /* diff --git a/mm/mlock.c b/mm/mlock.c index 93ca2bf30b4fd2..884b1216da6a6d 100644 --- a/mm/mlock.c +++ b/mm/mlock.c @@ -58,11 +58,14 @@ EXPORT_SYMBOL(can_do_mlock); */ void clear_page_mlock(struct page *page) { + int nr_pages; + if (!TestClearPageMlocked(page)) return; - mod_zone_page_state(page_zone(page), NR_MLOCK, -thp_nr_pages(page)); - count_vm_event(UNEVICTABLE_PGCLEARED); + nr_pages = thp_nr_pages(page); + mod_zone_page_state(page_zone(page), NR_MLOCK, -nr_pages); + count_vm_events(UNEVICTABLE_PGCLEARED, nr_pages); /* * The previous TestClearPageMlocked() corresponds to the smp_mb() * in __pagevec_lru_add_fn(). @@ -76,7 +79,7 @@ void clear_page_mlock(struct page *page) * We lost the race. the page already moved to evictable list. */ if (PageUnevictable(page)) - count_vm_event(UNEVICTABLE_PGSTRANDED); + count_vm_events(UNEVICTABLE_PGSTRANDED, nr_pages); } } @@ -93,9 +96,10 @@ void mlock_vma_page(struct page *page) VM_BUG_ON_PAGE(PageCompound(page) && PageDoubleMap(page), page); if (!TestSetPageMlocked(page)) { - mod_zone_page_state(page_zone(page), NR_MLOCK, - thp_nr_pages(page)); - count_vm_event(UNEVICTABLE_PGMLOCKED); + int nr_pages = thp_nr_pages(page); + + mod_zone_page_state(page_zone(page), NR_MLOCK, nr_pages); + count_vm_events(UNEVICTABLE_PGMLOCKED, nr_pages); if (!isolate_lru_page(page)) putback_lru_page(page); } @@ -138,7 +142,7 @@ static void __munlock_isolated_page(struct page *page) /* Did try_to_unlock() succeed or punt? */ if (!PageMlocked(page)) - count_vm_event(UNEVICTABLE_PGMUNLOCKED); + count_vm_events(UNEVICTABLE_PGMUNLOCKED, thp_nr_pages(page)); putback_lru_page(page); } @@ -154,10 +158,12 @@ static void __munlock_isolated_page(struct page *page) */ static void __munlock_isolation_failed(struct page *page) { + int nr_pages = thp_nr_pages(page); + if (PageUnevictable(page)) - __count_vm_event(UNEVICTABLE_PGSTRANDED); + __count_vm_events(UNEVICTABLE_PGSTRANDED, nr_pages); else - __count_vm_event(UNEVICTABLE_PGMUNLOCKED); + __count_vm_events(UNEVICTABLE_PGMUNLOCKED, nr_pages); } /** diff --git a/mm/page_alloc.c b/mm/page_alloc.c index fab5e97dc9ca5b..6866533de8e6a5 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -3367,9 +3367,16 @@ struct page *rmqueue(struct zone *preferred_zone, struct page *page; if (likely(order == 0)) { - page = rmqueue_pcplist(preferred_zone, zone, gfp_flags, + /* + * MIGRATE_MOVABLE pcplist could have the pages on CMA area and + * we need to skip it when CMA area isn't allowed. + */ + if (!IS_ENABLED(CONFIG_CMA) || alloc_flags & ALLOC_CMA || + migratetype != MIGRATE_MOVABLE) { + page = rmqueue_pcplist(preferred_zone, zone, gfp_flags, migratetype, alloc_flags); - goto out; + goto out; + } } /* @@ -3381,7 +3388,13 @@ struct page *rmqueue(struct zone *preferred_zone, do { page = NULL; - if (alloc_flags & ALLOC_HARDER) { + /* + * order-0 request can reach here when the pcplist is skipped + * due to non-CMA allocation context. HIGHATOMIC area is + * reserved for high-order atomic allocation, so order-0 + * request should skip it. + */ + if (order > 0 && alloc_flags & ALLOC_HARDER) { page = __rmqueue_smallest(zone, order, MIGRATE_HIGHATOMIC); if (page) trace_mm_page_alloc_zone_locked(page, order, migratetype); @@ -5975,7 +5988,7 @@ overlap_memmap_init(unsigned long zone, unsigned long *pfn) * done. Non-atomic initialization, single-pass. */ void __meminit memmap_init_zone(unsigned long size, int nid, unsigned long zone, - unsigned long start_pfn, enum memmap_context context, + unsigned long start_pfn, enum meminit_context context, struct vmem_altmap *altmap) { unsigned long pfn, end_pfn = start_pfn + size; @@ -6007,7 +6020,7 @@ void __meminit memmap_init_zone(unsigned long size, int nid, unsigned long zone, * There can be holes in boot-time mem_map[]s handed to this * function. They do not exist on hotplugged memory. */ - if (context == MEMMAP_EARLY) { + if (context == MEMINIT_EARLY) { if (overlap_memmap_init(zone, &pfn)) continue; if (defer_init(nid, pfn, end_pfn)) @@ -6016,7 +6029,7 @@ void __meminit memmap_init_zone(unsigned long size, int nid, unsigned long zone, page = pfn_to_page(pfn); __init_single_page(page, pfn, zone, nid); - if (context == MEMMAP_HOTPLUG) + if (context == MEMINIT_HOTPLUG) __SetPageReserved(page); /* @@ -6099,7 +6112,7 @@ void __ref memmap_init_zone_device(struct zone *zone, * check here not to call set_pageblock_migratetype() against * pfn out of zone. * - * Please note that MEMMAP_HOTPLUG path doesn't clear memmap + * Please note that MEMINIT_HOTPLUG path doesn't clear memmap * because this is done early in section_activate() */ if (!(pfn & (pageblock_nr_pages - 1))) { @@ -6137,7 +6150,7 @@ void __meminit __weak memmap_init(unsigned long size, int nid, if (end_pfn > start_pfn) { size = end_pfn - start_pfn; memmap_init_zone(size, nid, zone, start_pfn, - MEMMAP_EARLY, NULL); + MEMINIT_EARLY, NULL); } } } diff --git a/mm/page_isolation.c b/mm/page_isolation.c index 242c03121d7317..63a3db10a8c0c2 100644 --- a/mm/page_isolation.c +++ b/mm/page_isolation.c @@ -170,6 +170,14 @@ __first_valid_page(unsigned long pfn, unsigned long nr_pages) * pageblocks we may have modified and return -EBUSY to caller. This * prevents two threads from simultaneously working on overlapping ranges. * + * Please note that there is no strong synchronization with the page allocator + * either. Pages might be freed while their page blocks are marked ISOLATED. + * In some cases pages might still end up on pcp lists and that would allow + * for their allocation even when they are in fact isolated already. Depending + * on how strong of a guarantee the caller needs drain_all_pages might be needed + * (e.g. __offline_pages will need to call it after check for isolated range for + * a next retry). + * * Return: the number of isolated pageblocks on success and -EBUSY if any part * of range cannot be isolated. */ diff --git a/mm/percpu.c b/mm/percpu.c index f4709629e6deea..1ed1a349eab83c 100644 --- a/mm/percpu.c +++ b/mm/percpu.c @@ -1316,7 +1316,7 @@ static struct pcpu_chunk * __init pcpu_alloc_first_chunk(unsigned long tmp_addr, /* allocate chunk */ alloc_size = sizeof(struct pcpu_chunk) + - BITS_TO_LONGS(region_size >> PAGE_SHIFT); + BITS_TO_LONGS(region_size >> PAGE_SHIFT) * sizeof(unsigned long); chunk = memblock_alloc(alloc_size, SMP_CACHE_BYTES); if (!chunk) panic("%s: Failed to allocate %zu bytes\n", __func__, diff --git a/mm/rmap.c b/mm/rmap.c index 83cc459edc407f..9425260774a1f0 100644 --- a/mm/rmap.c +++ b/mm/rmap.c @@ -1511,9 +1511,14 @@ static bool try_to_unmap_one(struct page *page, struct vm_area_struct *vma, */ entry = make_migration_entry(page, 0); swp_pte = swp_entry_to_pte(entry); - if (pte_soft_dirty(pteval)) + + /* + * pteval maps a zone device page and is therefore + * a swap pte. + */ + if (pte_swp_soft_dirty(pteval)) swp_pte = pte_swp_mksoft_dirty(swp_pte); - if (pte_uffd_wp(pteval)) + if (pte_swp_uffd_wp(pteval)) swp_pte = pte_swp_mkuffd_wp(swp_pte); set_pte_at(mm, pvmw.address, pvmw.pte, swp_pte); /* diff --git a/mm/shmem.c b/mm/shmem.c index 271548ca20f314..8e2b35ba93ad17 100644 --- a/mm/shmem.c +++ b/mm/shmem.c @@ -279,11 +279,13 @@ static int shmem_reserve_inode(struct super_block *sb, ino_t *inop) if (!(sb->s_flags & SB_KERNMOUNT)) { spin_lock(&sbinfo->stat_lock); - if (!sbinfo->free_inodes) { - spin_unlock(&sbinfo->stat_lock); - return -ENOSPC; + if (sbinfo->max_inodes) { + if (!sbinfo->free_inodes) { + spin_unlock(&sbinfo->stat_lock); + return -ENOSPC; + } + sbinfo->free_inodes--; } - sbinfo->free_inodes--; if (inop) { ino = sbinfo->next_ino++; if (unlikely(is_zero_ino(ino))) diff --git a/mm/slab.c b/mm/slab.c index 3160dff6fd7672..f658e86ec8ceee 100644 --- a/mm/slab.c +++ b/mm/slab.c @@ -1632,6 +1632,10 @@ static void slab_destroy(struct kmem_cache *cachep, struct page *page) kmem_cache_free(cachep->freelist_cache, freelist); } +/* + * Update the size of the caches before calling slabs_destroy as it may + * recursively call kfree. + */ static void slabs_destroy(struct kmem_cache *cachep, struct list_head *list) { struct page *page, *n; @@ -2153,8 +2157,8 @@ static void do_drain(void *arg) spin_lock(&n->list_lock); free_block(cachep, ac->entry, ac->avail, node, &list); spin_unlock(&n->list_lock); - slabs_destroy(cachep, &list); ac->avail = 0; + slabs_destroy(cachep, &list); } static void drain_cpu_caches(struct kmem_cache *cachep) @@ -3402,9 +3406,9 @@ free_done: } #endif spin_unlock(&n->list_lock); - slabs_destroy(cachep, &list); ac->avail -= batchcount; memmove(ac->entry, &(ac->entry[batchcount]), sizeof(void *)*ac->avail); + slabs_destroy(cachep, &list); } /* diff --git a/mm/slub.c b/mm/slub.c index 68c02b2eecd903..6d3574013b2f8c 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -672,12 +672,12 @@ static void slab_fix(struct kmem_cache *s, char *fmt, ...) } static bool freelist_corrupted(struct kmem_cache *s, struct page *page, - void *freelist, void *nextfree) + void **freelist, void *nextfree) { if ((s->flags & SLAB_CONSISTENCY_CHECKS) && - !check_valid_pointer(s, page, nextfree)) { - object_err(s, page, freelist, "Freechain corrupt"); - freelist = NULL; + !check_valid_pointer(s, page, nextfree) && freelist) { + object_err(s, page, *freelist, "Freechain corrupt"); + *freelist = NULL; slab_fix(s, "Isolate corrupted freechain"); return true; } @@ -1413,10 +1413,6 @@ slab_flags_t kmem_cache_flags(unsigned int object_size, char *next_block; slab_flags_t block_flags; - /* If slub_debug = 0, it folds into the if conditional. */ - if (!slub_debug_string) - return flags | slub_debug; - len = strlen(name); next_block = slub_debug_string; /* Go through all blocks of debug options, see if any matches our slab's name */ @@ -1450,7 +1446,7 @@ slab_flags_t kmem_cache_flags(unsigned int object_size, } } - return slub_debug; + return flags | slub_debug; } #else /* !CONFIG_SLUB_DEBUG */ static inline void setup_object_debug(struct kmem_cache *s, @@ -1494,7 +1490,7 @@ static inline void dec_slabs_node(struct kmem_cache *s, int node, int objects) {} static bool freelist_corrupted(struct kmem_cache *s, struct page *page, - void *freelist, void *nextfree) + void **freelist, void *nextfree) { return false; } @@ -2184,7 +2180,7 @@ static void deactivate_slab(struct kmem_cache *s, struct page *page, * 'freelist' is already corrupted. So isolate all objects * starting at 'freelist'. */ - if (freelist_corrupted(s, page, freelist, nextfree)) + if (freelist_corrupted(s, page, &freelist, nextfree)) break; do { diff --git a/mm/swap.c b/mm/swap.c index a1ec807e325d17..65ef7e3525bfa0 100644 --- a/mm/swap.c +++ b/mm/swap.c @@ -494,14 +494,14 @@ void lru_cache_add_inactive_or_unevictable(struct page *page, unevictable = (vma->vm_flags & (VM_LOCKED | VM_SPECIAL)) == VM_LOCKED; if (unlikely(unevictable) && !TestSetPageMlocked(page)) { + int nr_pages = thp_nr_pages(page); /* * We use the irq-unsafe __mod_zone_page_stat because this * counter is not modified from interrupt context, and the pte * lock is held(spinlock), which implies preemption disabled. */ - __mod_zone_page_state(page_zone(page), NR_MLOCK, - thp_nr_pages(page)); - count_vm_event(UNEVICTABLE_PGMLOCKED); + __mod_zone_page_state(page_zone(page), NR_MLOCK, nr_pages); + count_vm_events(UNEVICTABLE_PGMLOCKED, nr_pages); } lru_cache_add(page); } diff --git a/mm/swapfile.c b/mm/swapfile.c index 12f59e641b5e29..debc94155f74dd 100644 --- a/mm/swapfile.c +++ b/mm/swapfile.c @@ -1078,7 +1078,7 @@ start_over: goto nextsi; } if (size == SWAPFILE_CLUSTER) { - if (!(si->flags & SWP_FS)) + if (si->flags & SWP_BLKDEV) n_ret = swap_alloc_cluster(si, swp_entries); } else n_ret = scan_swap_map_slots(si, SWAP_HAS_CACHE, diff --git a/mm/vmscan.c b/mm/vmscan.c index 99e1796eb83362..466fc3144fffc6 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -2615,6 +2615,14 @@ static void shrink_node_memcgs(pg_data_t *pgdat, struct scan_control *sc) unsigned long reclaimed; unsigned long scanned; + /* + * This loop can become CPU-bound when target memcgs + * aren't eligible for reclaim - either because they + * don't have any reclaimable pages, or because their + * memory is explicitly protected. Avoid soft lockups. + */ + cond_resched(); + mem_cgroup_calculate_protection(target_memcg, memcg); if (mem_cgroup_below_min(memcg)) { @@ -4260,8 +4268,14 @@ void check_move_unevictable_pages(struct pagevec *pvec) for (i = 0; i < pvec->nr; i++) { struct page *page = pvec->pages[i]; struct pglist_data *pagepgdat = page_pgdat(page); + int nr_pages; + + if (PageTransTail(page)) + continue; + + nr_pages = thp_nr_pages(page); + pgscanned += nr_pages; - pgscanned++; if (pagepgdat != pgdat) { if (pgdat) spin_unlock_irq(&pgdat->lru_lock); @@ -4280,7 +4294,7 @@ void check_move_unevictable_pages(struct pagevec *pvec) ClearPageUnevictable(page); del_page_from_lru_list(page, lruvec, LRU_UNEVICTABLE); add_page_to_lru_list(page, lruvec, lru); - pgrescued++; + pgrescued += nr_pages; } } diff --git a/mm/vmstat.c b/mm/vmstat.c index e670f910cd2f3b..4f7b4ee6aa123c 100644 --- a/mm/vmstat.c +++ b/mm/vmstat.c @@ -1241,6 +1241,7 @@ const char * const vmstat_text[] = { "pglazyfreed", "pgrefill", + "pgreuse", "pgsteal_kswapd", "pgsteal_direct", "pgscan_kswapd", diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c index 3dd7c972677be2..ec8408d1638fbd 100644 --- a/net/8021q/vlan_dev.c +++ b/net/8021q/vlan_dev.c @@ -367,7 +367,7 @@ static int vlan_dev_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) case SIOCSHWTSTAMP: if (!net_eq(dev_net(dev), &init_net)) break; - /* fall through */ + fallthrough; case SIOCGMIIPHY: case SIOCGMIIREG: case SIOCSMIIREG: diff --git a/net/9p/trans_xen.c b/net/9p/trans_xen.c index 3debad93be1a60..bc8807d9281fd3 100644 --- a/net/9p/trans_xen.c +++ b/net/9p/trans_xen.c @@ -520,7 +520,7 @@ static void xen_9pfs_front_changed(struct xenbus_device *dev, case XenbusStateClosed: if (dev->state == XenbusStateClosed) break; - /* fall through - Missed the backend's CLOSING state */ + fallthrough; /* Missed the backend's CLOSING state */ case XenbusStateClosing: xenbus_frontend_closed(dev); break; diff --git a/net/atm/common.c b/net/atm/common.c index 84367b844b1473..1cfa9bf1d18713 100644 --- a/net/atm/common.c +++ b/net/atm/common.c @@ -297,7 +297,7 @@ static int adjust_tp(struct atm_trafprm *tp, unsigned char aal) break; default: pr_warn("AAL problems ... (%d)\n", aal); - /* fall through */ + fallthrough; case ATM_AAL5: max_sdu = ATM_MAX_AAL5_PDU; } @@ -417,7 +417,7 @@ static int __vcc_connect(struct atm_vcc *vcc, struct atm_dev *dev, short vpi, case ATM_NO_AAL: /* ATM_AAL5 is also used in the "0 for default" case */ vcc->qos.aal = ATM_AAL5; - /* fall through */ + fallthrough; case ATM_AAL5: error = atm_init_aal5(vcc); vcc->stats = &dev->stats.aal5; diff --git a/net/atm/lec.c b/net/atm/lec.c index 875fc0bc17800c..b570ef919c28f0 100644 --- a/net/atm/lec.c +++ b/net/atm/lec.c @@ -380,7 +380,7 @@ static int lec_atm_send(struct atm_vcc *vcc, struct sk_buff *skb) if (mesg->content.normal.no_source_le_narp) break; - /* FALL THROUGH */ + fallthrough; case l_arp_update: lec_arp_update(priv, mesg->content.normal.mac_addr, mesg->content.normal.atm_addr, diff --git a/net/atm/resources.c b/net/atm/resources.c index 94bdc6527ee8a4..53236986dfe09c 100644 --- a/net/atm/resources.c +++ b/net/atm/resources.c @@ -266,7 +266,7 @@ int atm_dev_ioctl(unsigned int cmd, void __user *buf, int __user *sioc_len, goto done; } } - /* fall through */ + fallthrough; case ATM_SETESIF: { unsigned char esi[ESI_LEN]; @@ -288,7 +288,7 @@ int atm_dev_ioctl(unsigned int cmd, void __user *buf, int __user *sioc_len, error = -EPERM; goto done; } - /* fall through */ + fallthrough; case ATM_GETSTAT: size = sizeof(struct atm_dev_stats); error = fetch_stats(dev, buf, cmd == ATM_GETSTATZ); @@ -361,7 +361,7 @@ int atm_dev_ioctl(unsigned int cmd, void __user *buf, int __user *sioc_len, error = -EINVAL; goto done; } - /* fall through */ + fallthrough; case ATM_SETCIRANGE: case SONET_GETSTATZ: case SONET_SETDIAG: @@ -371,7 +371,7 @@ int atm_dev_ioctl(unsigned int cmd, void __user *buf, int __user *sioc_len, error = -EPERM; goto done; } - /* fall through */ + fallthrough; default: if (IS_ENABLED(CONFIG_COMPAT) && compat) { #ifdef CONFIG_COMPAT diff --git a/net/batman-adv/bat_v_ogm.c b/net/batman-adv/bat_v_ogm.c index 0f8495b9eeb126..717fe657561d90 100644 --- a/net/batman-adv/bat_v_ogm.c +++ b/net/batman-adv/bat_v_ogm.c @@ -881,6 +881,12 @@ static void batadv_v_ogm_process(const struct sk_buff *skb, int ogm_offset, ntohl(ogm_packet->seqno), ogm_throughput, ogm_packet->ttl, ogm_packet->version, ntohs(ogm_packet->tvlv_len)); + if (batadv_is_my_mac(bat_priv, ogm_packet->orig)) { + batadv_dbg(BATADV_DBG_BATMAN, bat_priv, + "Drop packet: originator packet from ourself\n"); + return; + } + /* If the throughput metric is 0, immediately drop the packet. No need * to create orig_node / neigh_node for an unusable route. */ @@ -1008,11 +1014,6 @@ int batadv_v_ogm_packet_recv(struct sk_buff *skb, if (batadv_is_my_mac(bat_priv, ethhdr->h_source)) goto free_skb; - ogm_packet = (struct batadv_ogm2_packet *)skb->data; - - if (batadv_is_my_mac(bat_priv, ogm_packet->orig)) - goto free_skb; - batadv_inc_counter(bat_priv, BATADV_CNT_MGMT_RX); batadv_add_counter(bat_priv, BATADV_CNT_MGMT_RX_BYTES, skb->len + ETH_HLEN); diff --git a/net/batman-adv/bridge_loop_avoidance.c b/net/batman-adv/bridge_loop_avoidance.c index 91a04ca373dc10..c350ab63cd54de 100644 --- a/net/batman-adv/bridge_loop_avoidance.c +++ b/net/batman-adv/bridge_loop_avoidance.c @@ -25,6 +25,7 @@ #include <linux/lockdep.h> #include <linux/netdevice.h> #include <linux/netlink.h> +#include <linux/preempt.h> #include <linux/rculist.h> #include <linux/rcupdate.h> #include <linux/seq_file.h> @@ -83,11 +84,12 @@ static inline u32 batadv_choose_claim(const void *data, u32 size) */ static inline u32 batadv_choose_backbone_gw(const void *data, u32 size) { - const struct batadv_bla_claim *claim = (struct batadv_bla_claim *)data; + const struct batadv_bla_backbone_gw *gw; u32 hash = 0; - hash = jhash(&claim->addr, sizeof(claim->addr), hash); - hash = jhash(&claim->vid, sizeof(claim->vid), hash); + gw = (struct batadv_bla_backbone_gw *)data; + hash = jhash(&gw->orig, sizeof(gw->orig), hash); + hash = jhash(&gw->vid, sizeof(gw->vid), hash); return hash % size; } @@ -437,7 +439,10 @@ static void batadv_bla_send_claim(struct batadv_priv *bat_priv, u8 *mac, batadv_add_counter(bat_priv, BATADV_CNT_RX_BYTES, skb->len + ETH_HLEN); - netif_rx(skb); + if (in_interrupt()) + netif_rx(skb); + else + netif_rx_ni(skb); out: if (primary_if) batadv_hardif_put(primary_if); @@ -1576,13 +1581,16 @@ int batadv_bla_init(struct batadv_priv *bat_priv) } /** - * batadv_bla_check_bcast_duplist() - Check if a frame is in the broadcast dup. + * batadv_bla_check_duplist() - Check if a frame is in the broadcast dup. * @bat_priv: the bat priv with all the soft interface information - * @skb: contains the bcast_packet to be checked + * @skb: contains the multicast packet to be checked + * @payload_ptr: pointer to position inside the head buffer of the skb + * marking the start of the data to be CRC'ed + * @orig: originator mac address, NULL if unknown * - * check if it is on our broadcast list. Another gateway might - * have sent the same packet because it is connected to the same backbone, - * so we have to remove this duplicate. + * Check if it is on our broadcast list. Another gateway might have sent the + * same packet because it is connected to the same backbone, so we have to + * remove this duplicate. * * This is performed by checking the CRC, which will tell us * with a good chance that it is the same packet. If it is furthermore @@ -1591,19 +1599,17 @@ int batadv_bla_init(struct batadv_priv *bat_priv) * * Return: true if a packet is in the duplicate list, false otherwise. */ -bool batadv_bla_check_bcast_duplist(struct batadv_priv *bat_priv, - struct sk_buff *skb) +static bool batadv_bla_check_duplist(struct batadv_priv *bat_priv, + struct sk_buff *skb, u8 *payload_ptr, + const u8 *orig) { - int i, curr; - __be32 crc; - struct batadv_bcast_packet *bcast_packet; struct batadv_bcast_duplist_entry *entry; bool ret = false; - - bcast_packet = (struct batadv_bcast_packet *)skb->data; + int i, curr; + __be32 crc; /* calculate the crc ... */ - crc = batadv_skb_crc32(skb, (u8 *)(bcast_packet + 1)); + crc = batadv_skb_crc32(skb, payload_ptr); spin_lock_bh(&bat_priv->bla.bcast_duplist_lock); @@ -1622,8 +1628,21 @@ bool batadv_bla_check_bcast_duplist(struct batadv_priv *bat_priv, if (entry->crc != crc) continue; - if (batadv_compare_eth(entry->orig, bcast_packet->orig)) - continue; + /* are the originators both known and not anonymous? */ + if (orig && !is_zero_ether_addr(orig) && + !is_zero_ether_addr(entry->orig)) { + /* If known, check if the new frame came from + * the same originator: + * We are safe to take identical frames from the + * same orig, if known, as multiplications in + * the mesh are detected via the (orig, seqno) pair. + * So we can be a bit more liberal here and allow + * identical frames from the same orig which the source + * host might have sent multiple times on purpose. + */ + if (batadv_compare_eth(entry->orig, orig)) + continue; + } /* this entry seems to match: same crc, not too old, * and from another gw. therefore return true to forbid it. @@ -1639,7 +1658,14 @@ bool batadv_bla_check_bcast_duplist(struct batadv_priv *bat_priv, entry = &bat_priv->bla.bcast_duplist[curr]; entry->crc = crc; entry->entrytime = jiffies; - ether_addr_copy(entry->orig, bcast_packet->orig); + + /* known originator */ + if (orig) + ether_addr_copy(entry->orig, orig); + /* anonymous originator */ + else + eth_zero_addr(entry->orig); + bat_priv->bla.bcast_duplist_curr = curr; out: @@ -1649,6 +1675,48 @@ out: } /** + * batadv_bla_check_ucast_duplist() - Check if a frame is in the broadcast dup. + * @bat_priv: the bat priv with all the soft interface information + * @skb: contains the multicast packet to be checked, decapsulated from a + * unicast_packet + * + * Check if it is on our broadcast list. Another gateway might have sent the + * same packet because it is connected to the same backbone, so we have to + * remove this duplicate. + * + * Return: true if a packet is in the duplicate list, false otherwise. + */ +static bool batadv_bla_check_ucast_duplist(struct batadv_priv *bat_priv, + struct sk_buff *skb) +{ + return batadv_bla_check_duplist(bat_priv, skb, (u8 *)skb->data, NULL); +} + +/** + * batadv_bla_check_bcast_duplist() - Check if a frame is in the broadcast dup. + * @bat_priv: the bat priv with all the soft interface information + * @skb: contains the bcast_packet to be checked + * + * Check if it is on our broadcast list. Another gateway might have sent the + * same packet because it is connected to the same backbone, so we have to + * remove this duplicate. + * + * Return: true if a packet is in the duplicate list, false otherwise. + */ +bool batadv_bla_check_bcast_duplist(struct batadv_priv *bat_priv, + struct sk_buff *skb) +{ + struct batadv_bcast_packet *bcast_packet; + u8 *payload_ptr; + + bcast_packet = (struct batadv_bcast_packet *)skb->data; + payload_ptr = (u8 *)(bcast_packet + 1); + + return batadv_bla_check_duplist(bat_priv, skb, payload_ptr, + bcast_packet->orig); +} + +/** * batadv_bla_is_backbone_gw_orig() - Check if the originator is a gateway for * the VLAN identified by vid. * @bat_priv: the bat priv with all the soft interface information @@ -1809,7 +1877,7 @@ batadv_bla_loopdetect_check(struct batadv_priv *bat_priv, struct sk_buff *skb, * @bat_priv: the bat priv with all the soft interface information * @skb: the frame to be checked * @vid: the VLAN ID of the frame - * @is_bcast: the packet came in a broadcast packet type. + * @packet_type: the batman packet type this frame came in * * batadv_bla_rx avoidance checks if: * * we have to race for a claim @@ -1821,7 +1889,7 @@ batadv_bla_loopdetect_check(struct batadv_priv *bat_priv, struct sk_buff *skb, * further process the skb. */ bool batadv_bla_rx(struct batadv_priv *bat_priv, struct sk_buff *skb, - unsigned short vid, bool is_bcast) + unsigned short vid, int packet_type) { struct batadv_bla_backbone_gw *backbone_gw; struct ethhdr *ethhdr; @@ -1843,9 +1911,32 @@ bool batadv_bla_rx(struct batadv_priv *bat_priv, struct sk_buff *skb, goto handled; if (unlikely(atomic_read(&bat_priv->bla.num_requests))) - /* don't allow broadcasts while requests are in flight */ - if (is_multicast_ether_addr(ethhdr->h_dest) && is_bcast) - goto handled; + /* don't allow multicast packets while requests are in flight */ + if (is_multicast_ether_addr(ethhdr->h_dest)) + /* Both broadcast flooding or multicast-via-unicasts + * delivery might send to multiple backbone gateways + * sharing the same LAN and therefore need to coordinate + * which backbone gateway forwards into the LAN, + * by claiming the payload source address. + * + * Broadcast flooding and multicast-via-unicasts + * delivery use the following two batman packet types. + * Note: explicitly exclude BATADV_UNICAST_4ADDR, + * as the DHCP gateway feature will send explicitly + * to only one BLA gateway, so the claiming process + * should be avoided there. + */ + if (packet_type == BATADV_BCAST || + packet_type == BATADV_UNICAST) + goto handled; + + /* potential duplicates from foreign BLA backbone gateways via + * multicast-in-unicast packets + */ + if (is_multicast_ether_addr(ethhdr->h_dest) && + packet_type == BATADV_UNICAST && + batadv_bla_check_ucast_duplist(bat_priv, skb)) + goto handled; ether_addr_copy(search_claim.addr, ethhdr->h_source); search_claim.vid = vid; @@ -1880,13 +1971,14 @@ bool batadv_bla_rx(struct batadv_priv *bat_priv, struct sk_buff *skb, goto allow; } - /* if it is a broadcast ... */ - if (is_multicast_ether_addr(ethhdr->h_dest) && is_bcast) { + /* if it is a multicast ... */ + if (is_multicast_ether_addr(ethhdr->h_dest) && + (packet_type == BATADV_BCAST || packet_type == BATADV_UNICAST)) { /* ... drop it. the responsible gateway is in charge. * - * We need to check is_bcast because with the gateway + * We need to check packet type because with the gateway * feature, broadcasts (like DHCP requests) may be sent - * using a unicast packet type. + * using a unicast 4 address packet type. See comment above. */ goto handled; } else { diff --git a/net/batman-adv/bridge_loop_avoidance.h b/net/batman-adv/bridge_loop_avoidance.h index 41edb2c4a32770..a81c41b636f931 100644 --- a/net/batman-adv/bridge_loop_avoidance.h +++ b/net/batman-adv/bridge_loop_avoidance.h @@ -35,7 +35,7 @@ static inline bool batadv_bla_is_loopdetect_mac(const uint8_t *mac) #ifdef CONFIG_BATMAN_ADV_BLA bool batadv_bla_rx(struct batadv_priv *bat_priv, struct sk_buff *skb, - unsigned short vid, bool is_bcast); + unsigned short vid, int packet_type); bool batadv_bla_tx(struct batadv_priv *bat_priv, struct sk_buff *skb, unsigned short vid); bool batadv_bla_is_backbone_gw(struct sk_buff *skb, @@ -66,7 +66,7 @@ bool batadv_bla_check_claim(struct batadv_priv *bat_priv, u8 *addr, static inline bool batadv_bla_rx(struct batadv_priv *bat_priv, struct sk_buff *skb, unsigned short vid, - bool is_bcast) + int packet_type) { return false; } diff --git a/net/batman-adv/gateway_client.c b/net/batman-adv/gateway_client.c index a18dcc686dc315..ef3f85b576c4c7 100644 --- a/net/batman-adv/gateway_client.c +++ b/net/batman-adv/gateway_client.c @@ -703,8 +703,10 @@ batadv_gw_dhcp_recipient_get(struct sk_buff *skb, unsigned int *header_len, chaddr_offset = *header_len + BATADV_DHCP_CHADDR_OFFSET; /* store the client address if the message is going to a client */ - if (ret == BATADV_DHCP_TO_CLIENT && - pskb_may_pull(skb, chaddr_offset + ETH_ALEN)) { + if (ret == BATADV_DHCP_TO_CLIENT) { + if (!pskb_may_pull(skb, chaddr_offset + ETH_ALEN)) + return BATADV_DHCP_NO; + /* check if the DHCP packet carries an Ethernet DHCP */ p = skb->data + *header_len + BATADV_DHCP_HTYPE_OFFSET; if (*p != BATADV_DHCP_HTYPE_ETHERNET) diff --git a/net/batman-adv/multicast.c b/net/batman-adv/multicast.c index bdc4a1fba1c6e3..ca24a2e522b79f 100644 --- a/net/batman-adv/multicast.c +++ b/net/batman-adv/multicast.c @@ -51,6 +51,7 @@ #include <uapi/linux/batadv_packet.h> #include <uapi/linux/batman_adv.h> +#include "bridge_loop_avoidance.h" #include "hard-interface.h" #include "hash.h" #include "log.h" @@ -1435,6 +1436,35 @@ batadv_mcast_forw_mode(struct batadv_priv *bat_priv, struct sk_buff *skb, } /** + * batadv_mcast_forw_send_orig() - send a multicast packet to an originator + * @bat_priv: the bat priv with all the soft interface information + * @skb: the multicast packet to send + * @vid: the vlan identifier + * @orig_node: the originator to send the packet to + * + * Return: NET_XMIT_DROP in case of error or NET_XMIT_SUCCESS otherwise. + */ +int batadv_mcast_forw_send_orig(struct batadv_priv *bat_priv, + struct sk_buff *skb, + unsigned short vid, + struct batadv_orig_node *orig_node) +{ + /* Avoid sending multicast-in-unicast packets to other BLA + * gateways - they already got the frame from the LAN side + * we share with them. + * TODO: Refactor to take BLA into account earlier, to avoid + * reducing the mcast_fanout count. + */ + if (batadv_bla_is_backbone_gw_orig(bat_priv, orig_node->orig, vid)) { + dev_kfree_skb(skb); + return NET_XMIT_SUCCESS; + } + + return batadv_send_skb_unicast(bat_priv, skb, BATADV_UNICAST, 0, + orig_node, vid); +} + +/** * batadv_mcast_forw_tt() - forwards a packet to multicast listeners * @bat_priv: the bat priv with all the soft interface information * @skb: the multicast packet to transmit @@ -1471,8 +1501,8 @@ batadv_mcast_forw_tt(struct batadv_priv *bat_priv, struct sk_buff *skb, break; } - batadv_send_skb_unicast(bat_priv, newskb, BATADV_UNICAST, 0, - orig_entry->orig_node, vid); + batadv_mcast_forw_send_orig(bat_priv, newskb, vid, + orig_entry->orig_node); } rcu_read_unlock(); @@ -1513,8 +1543,7 @@ batadv_mcast_forw_want_all_ipv4(struct batadv_priv *bat_priv, break; } - batadv_send_skb_unicast(bat_priv, newskb, BATADV_UNICAST, 0, - orig_node, vid); + batadv_mcast_forw_send_orig(bat_priv, newskb, vid, orig_node); } rcu_read_unlock(); return ret; @@ -1551,8 +1580,7 @@ batadv_mcast_forw_want_all_ipv6(struct batadv_priv *bat_priv, break; } - batadv_send_skb_unicast(bat_priv, newskb, BATADV_UNICAST, 0, - orig_node, vid); + batadv_mcast_forw_send_orig(bat_priv, newskb, vid, orig_node); } rcu_read_unlock(); return ret; @@ -1618,8 +1646,7 @@ batadv_mcast_forw_want_all_rtr4(struct batadv_priv *bat_priv, break; } - batadv_send_skb_unicast(bat_priv, newskb, BATADV_UNICAST, 0, - orig_node, vid); + batadv_mcast_forw_send_orig(bat_priv, newskb, vid, orig_node); } rcu_read_unlock(); return ret; @@ -1656,8 +1683,7 @@ batadv_mcast_forw_want_all_rtr6(struct batadv_priv *bat_priv, break; } - batadv_send_skb_unicast(bat_priv, newskb, BATADV_UNICAST, 0, - orig_node, vid); + batadv_mcast_forw_send_orig(bat_priv, newskb, vid, orig_node); } rcu_read_unlock(); return ret; diff --git a/net/batman-adv/multicast.h b/net/batman-adv/multicast.h index ebf825991ecd96..3e114bc5ca3bb8 100644 --- a/net/batman-adv/multicast.h +++ b/net/batman-adv/multicast.h @@ -46,6 +46,11 @@ enum batadv_forw_mode batadv_mcast_forw_mode(struct batadv_priv *bat_priv, struct sk_buff *skb, struct batadv_orig_node **mcast_single_orig); +int batadv_mcast_forw_send_orig(struct batadv_priv *bat_priv, + struct sk_buff *skb, + unsigned short vid, + struct batadv_orig_node *orig_node); + int batadv_mcast_forw_send(struct batadv_priv *bat_priv, struct sk_buff *skb, unsigned short vid); @@ -72,6 +77,16 @@ batadv_mcast_forw_mode(struct batadv_priv *bat_priv, struct sk_buff *skb, } static inline int +batadv_mcast_forw_send_orig(struct batadv_priv *bat_priv, + struct sk_buff *skb, + unsigned short vid, + struct batadv_orig_node *orig_node) +{ + kfree_skb(skb); + return NET_XMIT_DROP; +} + +static inline int batadv_mcast_forw_send(struct batadv_priv *bat_priv, struct sk_buff *skb, unsigned short vid) { diff --git a/net/batman-adv/routing.c b/net/batman-adv/routing.c index 27cdf5e4349a4b..9e5c71e406ffc6 100644 --- a/net/batman-adv/routing.c +++ b/net/batman-adv/routing.c @@ -826,6 +826,10 @@ static bool batadv_check_unicast_ttvn(struct batadv_priv *bat_priv, vid = batadv_get_vid(skb, hdr_len); ethhdr = (struct ethhdr *)(skb->data + hdr_len); + /* do not reroute multicast frames in a unicast header */ + if (is_multicast_ether_addr(ethhdr->h_dest)) + return true; + /* check if the destination client was served by this node and it is now * roaming. In this case, it means that the node has got a ROAM_ADV * message and that it knows the new destination in the mesh to re-route diff --git a/net/batman-adv/soft-interface.c b/net/batman-adv/soft-interface.c index 23833a0ba5e6d9..cdde943c1b833d 100644 --- a/net/batman-adv/soft-interface.c +++ b/net/batman-adv/soft-interface.c @@ -364,9 +364,8 @@ send: goto dropped; ret = batadv_send_skb_via_gw(bat_priv, skb, vid); } else if (mcast_single_orig) { - ret = batadv_send_skb_unicast(bat_priv, skb, - BATADV_UNICAST, 0, - mcast_single_orig, vid); + ret = batadv_mcast_forw_send_orig(bat_priv, skb, vid, + mcast_single_orig); } else if (forw_mode == BATADV_FORW_SOME) { ret = batadv_mcast_forw_send(bat_priv, skb, vid); } else { @@ -425,10 +424,10 @@ void batadv_interface_rx(struct net_device *soft_iface, struct vlan_ethhdr *vhdr; struct ethhdr *ethhdr; unsigned short vid; - bool is_bcast; + int packet_type; batadv_bcast_packet = (struct batadv_bcast_packet *)skb->data; - is_bcast = (batadv_bcast_packet->packet_type == BATADV_BCAST); + packet_type = batadv_bcast_packet->packet_type; skb_pull_rcsum(skb, hdr_size); skb_reset_mac_header(skb); @@ -471,7 +470,7 @@ void batadv_interface_rx(struct net_device *soft_iface, /* Let the bridge loop avoidance check the packet. If will * not handle it, we can safely push it up. */ - if (batadv_bla_rx(bat_priv, skb, vid, is_bcast)) + if (batadv_bla_rx(bat_priv, skb, vid, packet_type)) goto out; if (orig_node) diff --git a/net/bpf/test_run.c b/net/bpf/test_run.c index 99eb8c6c0fbcce..a66f211726e7c9 100644 --- a/net/bpf/test_run.c +++ b/net/bpf/test_run.c @@ -425,7 +425,7 @@ int bpf_prog_test_run_skb(struct bpf_prog *prog, const union bpf_attr *kattr, case BPF_PROG_TYPE_SCHED_CLS: case BPF_PROG_TYPE_SCHED_ACT: is_l2 = true; - /* fall through */ + fallthrough; case BPF_PROG_TYPE_LWT_IN: case BPF_PROG_TYPE_LWT_OUT: case BPF_PROG_TYPE_LWT_XMIT: diff --git a/net/bridge/br_arp_nd_proxy.c b/net/bridge/br_arp_nd_proxy.c index b18cdf03edb35b..dfec65eca8a6e7 100644 --- a/net/bridge/br_arp_nd_proxy.c +++ b/net/bridge/br_arp_nd_proxy.c @@ -88,9 +88,10 @@ static void br_arp_send(struct net_bridge *br, struct net_bridge_port *p, } } -static int br_chk_addr_ip(struct net_device *dev, void *data) +static int br_chk_addr_ip(struct net_device *dev, + struct netdev_nested_priv *priv) { - __be32 ip = *(__be32 *)data; + __be32 ip = *(__be32 *)priv->data; struct in_device *in_dev; __be32 addr = 0; @@ -107,11 +108,15 @@ static int br_chk_addr_ip(struct net_device *dev, void *data) static bool br_is_local_ip(struct net_device *dev, __be32 ip) { - if (br_chk_addr_ip(dev, &ip)) + struct netdev_nested_priv priv = { + .data = (void *)&ip, + }; + + if (br_chk_addr_ip(dev, &priv)) return true; /* check if ip is configured on upper dev */ - if (netdev_walk_all_upper_dev_rcu(dev, br_chk_addr_ip, &ip)) + if (netdev_walk_all_upper_dev_rcu(dev, br_chk_addr_ip, &priv)) return true; return false; @@ -361,9 +366,10 @@ static void br_nd_send(struct net_bridge *br, struct net_bridge_port *p, } } -static int br_chk_addr_ip6(struct net_device *dev, void *data) +static int br_chk_addr_ip6(struct net_device *dev, + struct netdev_nested_priv *priv) { - struct in6_addr *addr = (struct in6_addr *)data; + struct in6_addr *addr = (struct in6_addr *)priv->data; if (ipv6_chk_addr(dev_net(dev), addr, dev, 0)) return 1; @@ -374,11 +380,15 @@ static int br_chk_addr_ip6(struct net_device *dev, void *data) static bool br_is_local_ip6(struct net_device *dev, struct in6_addr *addr) { - if (br_chk_addr_ip6(dev, addr)) + struct netdev_nested_priv priv = { + .data = (void *)addr, + }; + + if (br_chk_addr_ip6(dev, &priv)) return true; /* check if ip is configured on upper dev */ - if (netdev_walk_all_upper_dev_rcu(dev, br_chk_addr_ip6, addr)) + if (netdev_walk_all_upper_dev_rcu(dev, br_chk_addr_ip6, &priv)) return true; return false; diff --git a/net/bridge/br_fdb.c b/net/bridge/br_fdb.c index 9db504baa094d2..32ac8343b0ba1f 100644 --- a/net/bridge/br_fdb.c +++ b/net/bridge/br_fdb.c @@ -413,6 +413,8 @@ void br_fdb_delete_by_port(struct net_bridge *br, if (!do_all) if (test_bit(BR_FDB_STATIC, &f->flags) || + (test_bit(BR_FDB_ADDED_BY_EXT_LEARN, &f->flags) && + !test_bit(BR_FDB_OFFLOADED, &f->flags)) || (vid && f->key.vlan_id != vid)) continue; diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c index 147d52596e1741..da310f0ca72527 100644 --- a/net/bridge/br_netlink.c +++ b/net/bridge/br_netlink.c @@ -380,6 +380,7 @@ static int br_fill_ifinfo(struct sk_buff *skb, u32 filter_mask, const struct net_device *dev) { u8 operstate = netif_running(dev) ? dev->operstate : IF_OPER_DOWN; + struct nlattr *af = NULL; struct net_bridge *br; struct ifinfomsg *hdr; struct nlmsghdr *nlh; @@ -423,11 +424,18 @@ static int br_fill_ifinfo(struct sk_buff *skb, nla_nest_end(skb, nest); } + if (filter_mask & (RTEXT_FILTER_BRVLAN | + RTEXT_FILTER_BRVLAN_COMPRESSED | + RTEXT_FILTER_MRP)) { + af = nla_nest_start_noflag(skb, IFLA_AF_SPEC); + if (!af) + goto nla_put_failure; + } + /* Check if the VID information is requested */ if ((filter_mask & RTEXT_FILTER_BRVLAN) || (filter_mask & RTEXT_FILTER_BRVLAN_COMPRESSED)) { struct net_bridge_vlan_group *vg; - struct nlattr *af; int err; /* RCU needed because of the VLAN locking rules (rcu || rtnl) */ @@ -441,11 +449,6 @@ static int br_fill_ifinfo(struct sk_buff *skb, rcu_read_unlock(); goto done; } - af = nla_nest_start_noflag(skb, IFLA_AF_SPEC); - if (!af) { - rcu_read_unlock(); - goto nla_put_failure; - } if (filter_mask & RTEXT_FILTER_BRVLAN_COMPRESSED) err = br_fill_ifvlaninfo_compressed(skb, vg); else @@ -456,32 +459,25 @@ static int br_fill_ifinfo(struct sk_buff *skb, rcu_read_unlock(); if (err) goto nla_put_failure; - - nla_nest_end(skb, af); } if (filter_mask & RTEXT_FILTER_MRP) { - struct nlattr *af; int err; if (!br_mrp_enabled(br) || port) goto done; - af = nla_nest_start_noflag(skb, IFLA_AF_SPEC); - if (!af) - goto nla_put_failure; - rcu_read_lock(); err = br_mrp_fill_info(skb, br); rcu_read_unlock(); if (err) goto nla_put_failure; - - nla_nest_end(skb, af); } done: + if (af) + nla_nest_end(skb, af); nlmsg_end(skb, nlh); return 0; diff --git a/net/bridge/br_vlan.c b/net/bridge/br_vlan.c index f9092c71225fd3..ee8780080be5e5 100644 --- a/net/bridge/br_vlan.c +++ b/net/bridge/br_vlan.c @@ -1288,11 +1288,13 @@ void br_vlan_get_stats(const struct net_bridge_vlan *v, } } -static int __br_vlan_get_pvid(const struct net_device *dev, - struct net_bridge_port *p, u16 *p_pvid) +int br_vlan_get_pvid(const struct net_device *dev, u16 *p_pvid) { struct net_bridge_vlan_group *vg; + struct net_bridge_port *p; + ASSERT_RTNL(); + p = br_port_get_check_rtnl(dev); if (p) vg = nbp_vlan_group(p); else if (netif_is_bridge_master(dev)) @@ -1303,18 +1305,23 @@ static int __br_vlan_get_pvid(const struct net_device *dev, *p_pvid = br_get_pvid(vg); return 0; } - -int br_vlan_get_pvid(const struct net_device *dev, u16 *p_pvid) -{ - ASSERT_RTNL(); - - return __br_vlan_get_pvid(dev, br_port_get_check_rtnl(dev), p_pvid); -} EXPORT_SYMBOL_GPL(br_vlan_get_pvid); int br_vlan_get_pvid_rcu(const struct net_device *dev, u16 *p_pvid) { - return __br_vlan_get_pvid(dev, br_port_get_check_rcu(dev), p_pvid); + struct net_bridge_vlan_group *vg; + struct net_bridge_port *p; + + p = br_port_get_check_rcu(dev); + if (p) + vg = nbp_vlan_group_rcu(p); + else if (netif_is_bridge_master(dev)) + vg = br_vlan_group_rcu(netdev_priv(dev)); + else + return -EINVAL; + + *p_pvid = br_get_pvid(vg); + return 0; } EXPORT_SYMBOL_GPL(br_vlan_get_pvid_rcu); @@ -1353,7 +1360,7 @@ static int br_vlan_is_bind_vlan_dev(const struct net_device *dev) } static int br_vlan_is_bind_vlan_dev_fn(struct net_device *dev, - __always_unused void *data) + __always_unused struct netdev_nested_priv *priv) { return br_vlan_is_bind_vlan_dev(dev); } @@ -1376,9 +1383,9 @@ struct br_vlan_bind_walk_data { }; static int br_vlan_match_bind_vlan_dev_fn(struct net_device *dev, - void *data_in) + struct netdev_nested_priv *priv) { - struct br_vlan_bind_walk_data *data = data_in; + struct br_vlan_bind_walk_data *data = priv->data; int found = 0; if (br_vlan_is_bind_vlan_dev(dev) && @@ -1396,10 +1403,13 @@ br_vlan_get_upper_bind_vlan_dev(struct net_device *dev, u16 vid) struct br_vlan_bind_walk_data data = { .vid = vid, }; + struct netdev_nested_priv priv = { + .data = (void *)&data, + }; rcu_read_lock(); netdev_walk_all_upper_dev_rcu(dev, br_vlan_match_bind_vlan_dev_fn, - &data); + &priv); rcu_read_unlock(); return data.result; @@ -1480,9 +1490,9 @@ struct br_vlan_link_state_walk_data { }; static int br_vlan_link_state_change_fn(struct net_device *vlan_dev, - void *data_in) + struct netdev_nested_priv *priv) { - struct br_vlan_link_state_walk_data *data = data_in; + struct br_vlan_link_state_walk_data *data = priv->data; if (br_vlan_is_bind_vlan_dev(vlan_dev)) br_vlan_set_vlan_dev_state(data->br, vlan_dev); @@ -1496,10 +1506,13 @@ static void br_vlan_link_state_change(struct net_device *dev, struct br_vlan_link_state_walk_data data = { .br = br }; + struct netdev_nested_priv priv = { + .data = (void *)&data, + }; rcu_read_lock(); netdev_walk_all_upper_dev_rcu(dev, br_vlan_link_state_change_fn, - &data); + &priv); rcu_read_unlock(); } diff --git a/net/caif/cfrfml.c b/net/caif/cfrfml.c index ce2767e9cec658..7b0af33bdb97fd 100644 --- a/net/caif/cfrfml.c +++ b/net/caif/cfrfml.c @@ -116,7 +116,7 @@ static int cfrfml_receive(struct cflayer *layr, struct cfpkt *pkt) if (segmented) { if (rfml->incomplete_frm == NULL) { /* Initial Segment */ - if (cfpkt_peek_head(pkt, rfml->seghead, 6) < 0) + if (cfpkt_peek_head(pkt, rfml->seghead, 6) != 0) goto out; rfml->pdu_size = get_unaligned_le16(rfml->seghead+4); @@ -233,7 +233,7 @@ static int cfrfml_transmit(struct cflayer *layr, struct cfpkt *pkt) if (cfpkt_getlen(pkt) > rfml->fragment_size + RFM_HEAD_SIZE) err = cfpkt_peek_head(pkt, head, 6); - if (err < 0) + if (err != 0) goto out; while (cfpkt_getlen(frontpkt) > rfml->fragment_size + RFM_HEAD_SIZE) { diff --git a/net/can/j1939/socket.c b/net/can/j1939/socket.c index b93876c57fc48f..1be4c898b2fa88 100644 --- a/net/can/j1939/socket.c +++ b/net/can/j1939/socket.c @@ -1086,7 +1086,7 @@ static int j1939_sk_send_loop(struct j1939_priv *priv, struct sock *sk, break; case -ERESTARTSYS: ret = -EINTR; - /* fall through */ + fallthrough; case -EAGAIN: /* OK */ if (todo_size != size) ret = size - todo_size; diff --git a/net/can/j1939/transport.c b/net/can/j1939/transport.c index a8dd956b5e8e1c..0cec4152f9797c 100644 --- a/net/can/j1939/transport.c +++ b/net/can/j1939/transport.c @@ -860,7 +860,7 @@ static int j1939_xtp_txnext_transmiter(struct j1939_session *session) return ret; } - /* fall through */ + fallthrough; case J1939_TP_CMD_CTS: case 0xff: /* did some data */ case J1939_ETP_CMD_DPO: @@ -1764,12 +1764,12 @@ static void j1939_xtp_rx_dat_one(struct j1939_session *session, case J1939_ETP_CMD_DPO: if (skcb->addr.type == J1939_ETP) break; - /* fall through */ - case J1939_TP_CMD_BAM: /* fall through */ + fallthrough; + case J1939_TP_CMD_BAM: case J1939_TP_CMD_CTS: /* fall through */ if (skcb->addr.type != J1939_ETP) break; - /* fall through */ + fallthrough; default: netdev_info(priv->ndev, "%s: 0x%p: last %02x\n", __func__, session, session->last_cmd); @@ -1965,8 +1965,8 @@ static void j1939_tp_cmd_recv(struct j1939_priv *priv, struct sk_buff *skb) switch (cmd) { case J1939_ETP_CMD_RTS: extd = J1939_ETP; - /* fall through */ - case J1939_TP_CMD_BAM: /* fall through */ + fallthrough; + case J1939_TP_CMD_BAM: case J1939_TP_CMD_RTS: /* fall through */ if (skcb->addr.type != extd) return; @@ -1987,7 +1987,7 @@ static void j1939_tp_cmd_recv(struct j1939_priv *priv, struct sk_buff *skb) case J1939_ETP_CMD_CTS: extd = J1939_ETP; - /* fall through */ + fallthrough; case J1939_TP_CMD_CTS: if (skcb->addr.type != extd) return; @@ -2014,7 +2014,7 @@ static void j1939_tp_cmd_recv(struct j1939_priv *priv, struct sk_buff *skb) case J1939_ETP_CMD_EOMA: extd = J1939_ETP; - /* fall through */ + fallthrough; case J1939_TP_CMD_EOMA: if (skcb->addr.type != extd) return; @@ -2050,14 +2050,14 @@ int j1939_tp_recv(struct j1939_priv *priv, struct sk_buff *skb) switch (skcb->addr.pgn) { case J1939_ETP_PGN_DAT: skcb->addr.type = J1939_ETP; - /* fall through */ + fallthrough; case J1939_TP_PGN_DAT: j1939_xtp_rx_dat(priv, skb); break; case J1939_ETP_PGN_CTL: skcb->addr.type = J1939_ETP; - /* fall through */ + fallthrough; case J1939_TP_PGN_CTL: if (skb->len < 8) return 0; /* Don't care. Nothing to extract here */ diff --git a/net/ceph/ceph_hash.c b/net/ceph/ceph_hash.c index 81e1e006c5404d..16a47c0eef374d 100644 --- a/net/ceph/ceph_hash.c +++ b/net/ceph/ceph_hash.c @@ -50,35 +50,35 @@ unsigned int ceph_str_hash_rjenkins(const char *str, unsigned int length) switch (len) { case 11: c = c + ((__u32)k[10] << 24); - /* fall through */ + fallthrough; case 10: c = c + ((__u32)k[9] << 16); - /* fall through */ + fallthrough; case 9: c = c + ((__u32)k[8] << 8); /* the first byte of c is reserved for the length */ - /* fall through */ + fallthrough; case 8: b = b + ((__u32)k[7] << 24); - /* fall through */ + fallthrough; case 7: b = b + ((__u32)k[6] << 16); - /* fall through */ + fallthrough; case 6: b = b + ((__u32)k[5] << 8); - /* fall through */ + fallthrough; case 5: b = b + k[4]; - /* fall through */ + fallthrough; case 4: a = a + ((__u32)k[3] << 24); - /* fall through */ + fallthrough; case 3: a = a + ((__u32)k[2] << 16); - /* fall through */ + fallthrough; case 2: a = a + ((__u32)k[1] << 8); - /* fall through */ + fallthrough; case 1: a = a + k[0]; /* case 0: nothing left to add */ diff --git a/net/ceph/crush/mapper.c b/net/ceph/crush/mapper.c index 07e5614eb3f161..7057f8db4f99a1 100644 --- a/net/ceph/crush/mapper.c +++ b/net/ceph/crush/mapper.c @@ -987,7 +987,7 @@ int crush_do_rule(const struct crush_map *map, case CRUSH_RULE_CHOOSELEAF_FIRSTN: case CRUSH_RULE_CHOOSE_FIRSTN: firstn = 1; - /* fall through */ + fallthrough; case CRUSH_RULE_CHOOSELEAF_INDEP: case CRUSH_RULE_CHOOSE_INDEP: if (wsize == 0) diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c index 27d6ab11f9ee87..d4d7a0e5249101 100644 --- a/net/ceph/messenger.c +++ b/net/ceph/messenger.c @@ -412,7 +412,7 @@ static void ceph_sock_state_change(struct sock *sk) switch (sk->sk_state) { case TCP_CLOSE: dout("%s TCP_CLOSE\n", __func__); - /* fall through */ + fallthrough; case TCP_CLOSE_WAIT: dout("%s TCP_CLOSE_WAIT\n", __func__); con_sock_state_closing(con); @@ -575,7 +575,7 @@ static int ceph_tcp_sendpage(struct socket *sock, struct page *page, * coalescing neighboring slab objects into a single frag which * triggers one of hardened usercopy checks. */ - if (page_count(page) >= 1 && !PageSlab(page)) + if (sendpage_ok(page)) sendpage = sock->ops->sendpage; else sendpage = sock_no_sendpage; @@ -2751,7 +2751,7 @@ more: switch (ret) { case -EBADMSG: con->error_msg = "bad crc/signature"; - /* fall through */ + fallthrough; case -EBADE: ret = -EIO; break; diff --git a/net/ceph/mon_client.c b/net/ceph/mon_client.c index 3d8c8015e976fe..d633a0aeaa5525 100644 --- a/net/ceph/mon_client.c +++ b/net/ceph/mon_client.c @@ -1307,7 +1307,7 @@ static struct ceph_msg *mon_alloc_msg(struct ceph_connection *con, * request had a non-zero tid. Work around this weirdness * by allocating a new message. */ - /* fall through */ + fallthrough; case CEPH_MSG_MON_MAP: case CEPH_MSG_MDS_MAP: case CEPH_MSG_OSD_MAP: diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c index e4fbcad6e7d83c..7901ab6c79fd2a 100644 --- a/net/ceph/osd_client.c +++ b/net/ceph/osd_client.c @@ -3854,7 +3854,7 @@ static void scan_requests(struct ceph_osd *osd, if (!force_resend && !force_resend_writes) break; - /* fall through */ + fallthrough; case CALC_TARGET_NEED_RESEND: cancel_linger_map_check(lreq); /* @@ -3891,7 +3891,7 @@ static void scan_requests(struct ceph_osd *osd, !force_resend_writes)) break; - /* fall through */ + fallthrough; case CALC_TARGET_NEED_RESEND: cancel_map_check(req); unlink_request(osd, req); diff --git a/net/core/dev.c b/net/core/dev.c index d42c9ea0c3c037..4906b44af8506b 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -4690,10 +4690,10 @@ static u32 netif_receive_generic_xdp(struct sk_buff *skb, break; default: bpf_warn_invalid_xdp_action(act); - /* fall through */ + fallthrough; case XDP_ABORTED: trace_xdp_exception(skb->dev, xdp_prog, act); - /* fall through */ + fallthrough; case XDP_DROP: do_drop: kfree_skb(skb); @@ -6612,12 +6612,13 @@ void netif_napi_add(struct net_device *dev, struct napi_struct *napi, netdev_err_once(dev, "%s() called with weight %d\n", __func__, weight); napi->weight = weight; - list_add(&napi->dev_list, &dev->napi_list); napi->dev = dev; #ifdef CONFIG_NETPOLL napi->poll_owner = -1; #endif set_bit(NAPI_STATE_SCHED, &napi->state); + set_bit(NAPI_STATE_NPSVC, &napi->state); + list_add_rcu(&napi->dev_list, &dev->napi_list); napi_hash_add(napi); } EXPORT_SYMBOL(netif_napi_add); @@ -6811,9 +6812,10 @@ static struct netdev_adjacent *__netdev_find_adj(struct net_device *adj_dev, return NULL; } -static int ____netdev_has_upper_dev(struct net_device *upper_dev, void *data) +static int ____netdev_has_upper_dev(struct net_device *upper_dev, + struct netdev_nested_priv *priv) { - struct net_device *dev = data; + struct net_device *dev = (struct net_device *)priv->data; return upper_dev == dev; } @@ -6830,10 +6832,14 @@ static int ____netdev_has_upper_dev(struct net_device *upper_dev, void *data) bool netdev_has_upper_dev(struct net_device *dev, struct net_device *upper_dev) { + struct netdev_nested_priv priv = { + .data = (void *)upper_dev, + }; + ASSERT_RTNL(); return netdev_walk_all_upper_dev_rcu(dev, ____netdev_has_upper_dev, - upper_dev); + &priv); } EXPORT_SYMBOL(netdev_has_upper_dev); @@ -6850,8 +6856,12 @@ EXPORT_SYMBOL(netdev_has_upper_dev); bool netdev_has_upper_dev_all_rcu(struct net_device *dev, struct net_device *upper_dev) { + struct netdev_nested_priv priv = { + .data = (void *)upper_dev, + }; + return !!netdev_walk_all_upper_dev_rcu(dev, ____netdev_has_upper_dev, - upper_dev); + &priv); } EXPORT_SYMBOL(netdev_has_upper_dev_all_rcu); @@ -6996,8 +7006,8 @@ static struct net_device *netdev_next_upper_dev_rcu(struct net_device *dev, static int __netdev_walk_all_upper_dev(struct net_device *dev, int (*fn)(struct net_device *dev, - void *data), - void *data) + struct netdev_nested_priv *priv), + struct netdev_nested_priv *priv) { struct net_device *udev, *next, *now, *dev_stack[MAX_NEST_DEV + 1]; struct list_head *niter, *iter, *iter_stack[MAX_NEST_DEV + 1]; @@ -7009,7 +7019,7 @@ static int __netdev_walk_all_upper_dev(struct net_device *dev, while (1) { if (now != dev) { - ret = fn(now, data); + ret = fn(now, priv); if (ret) return ret; } @@ -7045,8 +7055,8 @@ static int __netdev_walk_all_upper_dev(struct net_device *dev, int netdev_walk_all_upper_dev_rcu(struct net_device *dev, int (*fn)(struct net_device *dev, - void *data), - void *data) + struct netdev_nested_priv *priv), + struct netdev_nested_priv *priv) { struct net_device *udev, *next, *now, *dev_stack[MAX_NEST_DEV + 1]; struct list_head *niter, *iter, *iter_stack[MAX_NEST_DEV + 1]; @@ -7057,7 +7067,7 @@ int netdev_walk_all_upper_dev_rcu(struct net_device *dev, while (1) { if (now != dev) { - ret = fn(now, data); + ret = fn(now, priv); if (ret) return ret; } @@ -7093,10 +7103,15 @@ EXPORT_SYMBOL_GPL(netdev_walk_all_upper_dev_rcu); static bool __netdev_has_upper_dev(struct net_device *dev, struct net_device *upper_dev) { + struct netdev_nested_priv priv = { + .flags = 0, + .data = (void *)upper_dev, + }; + ASSERT_RTNL(); return __netdev_walk_all_upper_dev(dev, ____netdev_has_upper_dev, - upper_dev); + &priv); } /** @@ -7214,8 +7229,8 @@ static struct net_device *__netdev_next_lower_dev(struct net_device *dev, int netdev_walk_all_lower_dev(struct net_device *dev, int (*fn)(struct net_device *dev, - void *data), - void *data) + struct netdev_nested_priv *priv), + struct netdev_nested_priv *priv) { struct net_device *ldev, *next, *now, *dev_stack[MAX_NEST_DEV + 1]; struct list_head *niter, *iter, *iter_stack[MAX_NEST_DEV + 1]; @@ -7226,7 +7241,7 @@ int netdev_walk_all_lower_dev(struct net_device *dev, while (1) { if (now != dev) { - ret = fn(now, data); + ret = fn(now, priv); if (ret) return ret; } @@ -7261,8 +7276,8 @@ EXPORT_SYMBOL_GPL(netdev_walk_all_lower_dev); static int __netdev_walk_all_lower_dev(struct net_device *dev, int (*fn)(struct net_device *dev, - void *data), - void *data) + struct netdev_nested_priv *priv), + struct netdev_nested_priv *priv) { struct net_device *ldev, *next, *now, *dev_stack[MAX_NEST_DEV + 1]; struct list_head *niter, *iter, *iter_stack[MAX_NEST_DEV + 1]; @@ -7274,7 +7289,7 @@ static int __netdev_walk_all_lower_dev(struct net_device *dev, while (1) { if (now != dev) { - ret = fn(now, data); + ret = fn(now, priv); if (ret) return ret; } @@ -7363,22 +7378,34 @@ static u8 __netdev_lower_depth(struct net_device *dev) return max_depth; } -static int __netdev_update_upper_level(struct net_device *dev, void *data) +static int __netdev_update_upper_level(struct net_device *dev, + struct netdev_nested_priv *__unused) { dev->upper_level = __netdev_upper_depth(dev) + 1; return 0; } -static int __netdev_update_lower_level(struct net_device *dev, void *data) +static int __netdev_update_lower_level(struct net_device *dev, + struct netdev_nested_priv *priv) { dev->lower_level = __netdev_lower_depth(dev) + 1; + +#ifdef CONFIG_LOCKDEP + if (!priv) + return 0; + + if (priv->flags & NESTED_SYNC_IMM) + dev->nested_level = dev->lower_level - 1; + if (priv->flags & NESTED_SYNC_TODO) + net_unlink_todo(dev); +#endif return 0; } int netdev_walk_all_lower_dev_rcu(struct net_device *dev, int (*fn)(struct net_device *dev, - void *data), - void *data) + struct netdev_nested_priv *priv), + struct netdev_nested_priv *priv) { struct net_device *ldev, *next, *now, *dev_stack[MAX_NEST_DEV + 1]; struct list_head *niter, *iter, *iter_stack[MAX_NEST_DEV + 1]; @@ -7389,7 +7416,7 @@ int netdev_walk_all_lower_dev_rcu(struct net_device *dev, while (1) { if (now != dev) { - ret = fn(now, data); + ret = fn(now, priv); if (ret) return ret; } @@ -7649,6 +7676,7 @@ static void __netdev_adjacent_dev_unlink_neighbour(struct net_device *dev, static int __netdev_upper_dev_link(struct net_device *dev, struct net_device *upper_dev, bool master, void *upper_priv, void *upper_info, + struct netdev_nested_priv *priv, struct netlink_ext_ack *extack) { struct netdev_notifier_changeupper_info changeupper_info = { @@ -7705,9 +7733,9 @@ static int __netdev_upper_dev_link(struct net_device *dev, __netdev_update_upper_level(dev, NULL); __netdev_walk_all_lower_dev(dev, __netdev_update_upper_level, NULL); - __netdev_update_lower_level(upper_dev, NULL); + __netdev_update_lower_level(upper_dev, priv); __netdev_walk_all_upper_dev(upper_dev, __netdev_update_lower_level, - NULL); + priv); return 0; @@ -7732,8 +7760,13 @@ int netdev_upper_dev_link(struct net_device *dev, struct net_device *upper_dev, struct netlink_ext_ack *extack) { + struct netdev_nested_priv priv = { + .flags = NESTED_SYNC_IMM | NESTED_SYNC_TODO, + .data = NULL, + }; + return __netdev_upper_dev_link(dev, upper_dev, false, - NULL, NULL, extack); + NULL, NULL, &priv, extack); } EXPORT_SYMBOL(netdev_upper_dev_link); @@ -7756,21 +7789,19 @@ int netdev_master_upper_dev_link(struct net_device *dev, void *upper_priv, void *upper_info, struct netlink_ext_ack *extack) { + struct netdev_nested_priv priv = { + .flags = NESTED_SYNC_IMM | NESTED_SYNC_TODO, + .data = NULL, + }; + return __netdev_upper_dev_link(dev, upper_dev, true, - upper_priv, upper_info, extack); + upper_priv, upper_info, &priv, extack); } EXPORT_SYMBOL(netdev_master_upper_dev_link); -/** - * netdev_upper_dev_unlink - Removes a link to upper device - * @dev: device - * @upper_dev: new upper device - * - * Removes a link to device which is upper to this one. The caller must hold - * the RTNL lock. - */ -void netdev_upper_dev_unlink(struct net_device *dev, - struct net_device *upper_dev) +static void __netdev_upper_dev_unlink(struct net_device *dev, + struct net_device *upper_dev, + struct netdev_nested_priv *priv) { struct netdev_notifier_changeupper_info changeupper_info = { .info = { @@ -7795,9 +7826,28 @@ void netdev_upper_dev_unlink(struct net_device *dev, __netdev_update_upper_level(dev, NULL); __netdev_walk_all_lower_dev(dev, __netdev_update_upper_level, NULL); - __netdev_update_lower_level(upper_dev, NULL); + __netdev_update_lower_level(upper_dev, priv); __netdev_walk_all_upper_dev(upper_dev, __netdev_update_lower_level, - NULL); + priv); +} + +/** + * netdev_upper_dev_unlink - Removes a link to upper device + * @dev: device + * @upper_dev: new upper device + * + * Removes a link to device which is upper to this one. The caller must hold + * the RTNL lock. + */ +void netdev_upper_dev_unlink(struct net_device *dev, + struct net_device *upper_dev) +{ + struct netdev_nested_priv priv = { + .flags = NESTED_SYNC_TODO, + .data = NULL, + }; + + __netdev_upper_dev_unlink(dev, upper_dev, &priv); } EXPORT_SYMBOL(netdev_upper_dev_unlink); @@ -7833,6 +7883,10 @@ int netdev_adjacent_change_prepare(struct net_device *old_dev, struct net_device *dev, struct netlink_ext_ack *extack) { + struct netdev_nested_priv priv = { + .flags = 0, + .data = NULL, + }; int err; if (!new_dev) @@ -7840,8 +7894,8 @@ int netdev_adjacent_change_prepare(struct net_device *old_dev, if (old_dev && new_dev != old_dev) netdev_adjacent_dev_disable(dev, old_dev); - - err = netdev_upper_dev_link(new_dev, dev, extack); + err = __netdev_upper_dev_link(new_dev, dev, false, NULL, NULL, &priv, + extack); if (err) { if (old_dev && new_dev != old_dev) netdev_adjacent_dev_enable(dev, old_dev); @@ -7856,6 +7910,11 @@ void netdev_adjacent_change_commit(struct net_device *old_dev, struct net_device *new_dev, struct net_device *dev) { + struct netdev_nested_priv priv = { + .flags = NESTED_SYNC_IMM | NESTED_SYNC_TODO, + .data = NULL, + }; + if (!new_dev || !old_dev) return; @@ -7863,7 +7922,7 @@ void netdev_adjacent_change_commit(struct net_device *old_dev, return; netdev_adjacent_dev_enable(dev, old_dev); - netdev_upper_dev_unlink(old_dev, dev); + __netdev_upper_dev_unlink(old_dev, dev, &priv); } EXPORT_SYMBOL(netdev_adjacent_change_commit); @@ -7871,13 +7930,18 @@ void netdev_adjacent_change_abort(struct net_device *old_dev, struct net_device *new_dev, struct net_device *dev) { + struct netdev_nested_priv priv = { + .flags = 0, + .data = NULL, + }; + if (!new_dev) return; if (old_dev && new_dev != old_dev) netdev_adjacent_dev_enable(dev, old_dev); - netdev_upper_dev_unlink(new_dev, dev); + __netdev_upper_dev_unlink(new_dev, dev, &priv); } EXPORT_SYMBOL(netdev_adjacent_change_abort); @@ -8646,7 +8710,7 @@ int dev_get_port_parent_id(struct net_device *dev, if (!first.id_len) first = *ppid; else if (memcmp(&first, ppid, sizeof(*ppid))) - return -ENODATA; + return -EOPNOTSUPP; } return err; @@ -10061,6 +10125,19 @@ static void netdev_wait_allrefs(struct net_device *dev) void netdev_run_todo(void) { struct list_head list; +#ifdef CONFIG_LOCKDEP + struct list_head unlink_list; + + list_replace_init(&net_unlink_list, &unlink_list); + + while (!list_empty(&unlink_list)) { + struct net_device *dev = list_first_entry(&unlink_list, + struct net_device, + unlink_list); + list_del(&dev->unlink_list); + dev->nested_level = dev->lower_level - 1; + } +#endif /* Snapshot list, allow later requests */ list_replace_init(&net_todo_list, &list); @@ -10273,6 +10350,10 @@ struct net_device *alloc_netdev_mqs(int sizeof_priv, const char *name, dev->gso_max_segs = GSO_MAX_SEGS; dev->upper_level = 1; dev->lower_level = 1; +#ifdef CONFIG_LOCKDEP + dev->nested_level = 0; + INIT_LIST_HEAD(&dev->unlink_list); +#endif INIT_LIST_HEAD(&dev->napi_list); INIT_LIST_HEAD(&dev->unreg_list); diff --git a/net/core/dev_addr_lists.c b/net/core/dev_addr_lists.c index 54cd568e7c2f51..fa1c37ec40c932 100644 --- a/net/core/dev_addr_lists.c +++ b/net/core/dev_addr_lists.c @@ -637,7 +637,7 @@ int dev_uc_sync(struct net_device *to, struct net_device *from) if (to->addr_len != from->addr_len) return -EINVAL; - netif_addr_lock_nested(to); + netif_addr_lock(to); err = __hw_addr_sync(&to->uc, &from->uc, to->addr_len); if (!err) __dev_set_rx_mode(to); @@ -667,7 +667,7 @@ int dev_uc_sync_multiple(struct net_device *to, struct net_device *from) if (to->addr_len != from->addr_len) return -EINVAL; - netif_addr_lock_nested(to); + netif_addr_lock(to); err = __hw_addr_sync_multiple(&to->uc, &from->uc, to->addr_len); if (!err) __dev_set_rx_mode(to); @@ -700,7 +700,7 @@ void dev_uc_unsync(struct net_device *to, struct net_device *from) * larger. */ netif_addr_lock_bh(from); - netif_addr_lock_nested(to); + netif_addr_lock(to); __hw_addr_unsync(&to->uc, &from->uc, to->addr_len); __dev_set_rx_mode(to); netif_addr_unlock(to); @@ -867,7 +867,7 @@ int dev_mc_sync(struct net_device *to, struct net_device *from) if (to->addr_len != from->addr_len) return -EINVAL; - netif_addr_lock_nested(to); + netif_addr_lock(to); err = __hw_addr_sync(&to->mc, &from->mc, to->addr_len); if (!err) __dev_set_rx_mode(to); @@ -897,7 +897,7 @@ int dev_mc_sync_multiple(struct net_device *to, struct net_device *from) if (to->addr_len != from->addr_len) return -EINVAL; - netif_addr_lock_nested(to); + netif_addr_lock(to); err = __hw_addr_sync_multiple(&to->mc, &from->mc, to->addr_len); if (!err) __dev_set_rx_mode(to); @@ -922,7 +922,7 @@ void dev_mc_unsync(struct net_device *to, struct net_device *from) /* See the above comments inside dev_uc_unsync(). */ netif_addr_lock_bh(from); - netif_addr_lock_nested(to); + netif_addr_lock(to); __hw_addr_unsync(&to->mc, &from->mc, to->addr_len); __dev_set_rx_mode(to); netif_addr_unlock(to); diff --git a/net/core/dev_ioctl.c b/net/core/dev_ioctl.c index b2cf9b7bb7b8c3..205e92e604ef7e 100644 --- a/net/core/dev_ioctl.c +++ b/net/core/dev_ioctl.c @@ -322,7 +322,7 @@ static int dev_ifsioc(struct net *net, struct ifreq *ifr, unsigned int cmd) err = net_hwtstamp_validate(ifr); if (err) return err; - /* fall through */ + fallthrough; /* * Unknown or private ioctl @@ -478,7 +478,7 @@ int dev_ioctl(struct net *net, unsigned int cmd, struct ifreq *ifr, bool *need_c case SIOCSIFTXQLEN: if (!capable(CAP_NET_ADMIN)) return -EPERM; - /* fall through */ + fallthrough; /* * These ioctl calls: * - require local superuser power. @@ -503,7 +503,7 @@ int dev_ioctl(struct net *net, unsigned int cmd, struct ifreq *ifr, bool *need_c case SIOCSHWTSTAMP: if (!ns_capable(net->user_ns, CAP_NET_ADMIN)) return -EPERM; - /* fall through */ + fallthrough; case SIOCBONDSLAVEINFOQUERY: case SIOCBONDINFOQUERY: dev_load(net, ifr->ifr_name); diff --git a/net/core/devlink.c b/net/core/devlink.c index e5feb87beca7c4..80ec1cd81c6475 100644 --- a/net/core/devlink.c +++ b/net/core/devlink.c @@ -6196,8 +6196,8 @@ devlink_trap_action_get_from_info(struct genl_info *info, val = nla_get_u8(info->attrs[DEVLINK_ATTR_TRAP_ACTION]); switch (val) { - case DEVLINK_TRAP_ACTION_DROP: /* fall-through */ - case DEVLINK_TRAP_ACTION_TRAP: /* fall-through */ + case DEVLINK_TRAP_ACTION_DROP: + case DEVLINK_TRAP_ACTION_TRAP: case DEVLINK_TRAP_ACTION_MIRROR: *p_trap_action = val; break; diff --git a/net/core/drop_monitor.c b/net/core/drop_monitor.c index b09bebeadf0b29..9704522b08721c 100644 --- a/net/core/drop_monitor.c +++ b/net/core/drop_monitor.c @@ -1189,7 +1189,7 @@ static int net_dm_alert_mode_get_from_info(struct genl_info *info, val = nla_get_u8(info->attrs[NET_DM_ATTR_ALERT_MODE]); switch (val) { - case NET_DM_ALERT_MODE_SUMMARY: /* fall-through */ + case NET_DM_ALERT_MODE_SUMMARY: case NET_DM_ALERT_MODE_PACKET: *p_alert_mode = val; break; diff --git a/net/core/dst.c b/net/core/dst.c index d6b6ced0d451a3..0c01bd8d9d81eb 100644 --- a/net/core/dst.c +++ b/net/core/dst.c @@ -144,7 +144,7 @@ static void dst_destroy_rcu(struct rcu_head *head) /* Operations to mark dst as DEAD and clean up the net device referenced * by dst: - * 1. put the dst under loopback interface and discard all tx/rx packets + * 1. put the dst under blackhole interface and discard all tx/rx packets * on this route. * 2. release the net_device * This function should be called when removing routes from the fib tree diff --git a/net/core/fib_rules.c b/net/core/fib_rules.c index 51678a528f85ac..7bcfb16854cbb4 100644 --- a/net/core/fib_rules.c +++ b/net/core/fib_rules.c @@ -16,7 +16,7 @@ #include <net/ip_tunnels.h> #include <linux/indirect_call_wrapper.h> -#ifdef CONFIG_IPV6_MULTIPLE_TABLES +#if defined(CONFIG_IPV6) && defined(CONFIG_IPV6_MULTIPLE_TABLES) #ifdef CONFIG_IP_MULTIPLE_TABLES #define INDIRECT_CALL_MT(f, f2, f1, ...) \ INDIRECT_CALL_INET(f, f2, f1, __VA_ARGS__) diff --git a/net/core/filter.c b/net/core/filter.c index b2df52086445f4..b5f3faac5e3b6c 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -4838,6 +4838,7 @@ static int bpf_ipv4_fib_lookup(struct net *net, struct bpf_fib_lookup *params, fl4.saddr = params->ipv4_src; fl4.fl4_sport = params->sport; fl4.fl4_dport = params->dport; + fl4.flowi4_multipath_hash = 0; if (flags & BPF_FIB_LOOKUP_DIRECT) { u32 tbid = l3mdev_fib_table_rcu(dev) ? : RT_TABLE_MAIN; @@ -7065,8 +7066,6 @@ static int bpf_gen_ld_abs(const struct bpf_insn *orig, bool indirect = BPF_MODE(orig->code) == BPF_IND; struct bpf_insn *insn = insn_buf; - /* We're guaranteed here that CTX is in R6. */ - *insn++ = BPF_MOV64_REG(BPF_REG_1, BPF_REG_CTX); if (!indirect) { *insn++ = BPF_MOV64_IMM(BPF_REG_2, orig->imm); } else { @@ -7074,6 +7073,8 @@ static int bpf_gen_ld_abs(const struct bpf_insn *orig, if (orig->imm) *insn++ = BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, orig->imm); } + /* We're guaranteed here that CTX is in R6. */ + *insn++ = BPF_MOV64_REG(BPF_REG_1, BPF_REG_CTX); switch (BPF_SIZE(orig->code)) { case BPF_B: @@ -9223,7 +9224,7 @@ sk_reuseport_is_valid_access(int off, int size, case bpf_ctx_range(struct sk_reuseport_md, eth_protocol): if (size < sizeof_field(struct sk_buff, protocol)) return false; - /* fall through */ + fallthrough; case bpf_ctx_range(struct sk_reuseport_md, ip_protocol): case bpf_ctx_range(struct sk_reuseport_md, bind_inany): case bpf_ctx_range(struct sk_reuseport_md, len): @@ -9522,7 +9523,7 @@ BPF_CALL_1(bpf_skc_to_tcp6_sock, struct sock *, sk) * trigger an explicit type generation here. */ BTF_TYPE_EMIT(struct tcp6_sock); - if (sk_fullsock(sk) && sk->sk_protocol == IPPROTO_TCP && + if (sk && sk_fullsock(sk) && sk->sk_protocol == IPPROTO_TCP && sk->sk_family == AF_INET6) return (unsigned long)sk; @@ -9540,7 +9541,7 @@ const struct bpf_func_proto bpf_skc_to_tcp6_sock_proto = { BPF_CALL_1(bpf_skc_to_tcp_sock, struct sock *, sk) { - if (sk_fullsock(sk) && sk->sk_protocol == IPPROTO_TCP) + if (sk && sk_fullsock(sk) && sk->sk_protocol == IPPROTO_TCP) return (unsigned long)sk; return (unsigned long)NULL; @@ -9557,13 +9558,19 @@ const struct bpf_func_proto bpf_skc_to_tcp_sock_proto = { BPF_CALL_1(bpf_skc_to_tcp_timewait_sock, struct sock *, sk) { + /* BTF types for tcp_timewait_sock and inet_timewait_sock are not + * generated if CONFIG_INET=n. Trigger an explicit generation here. + */ + BTF_TYPE_EMIT(struct inet_timewait_sock); + BTF_TYPE_EMIT(struct tcp_timewait_sock); + #ifdef CONFIG_INET - if (sk->sk_prot == &tcp_prot && sk->sk_state == TCP_TIME_WAIT) + if (sk && sk->sk_prot == &tcp_prot && sk->sk_state == TCP_TIME_WAIT) return (unsigned long)sk; #endif #if IS_BUILTIN(CONFIG_IPV6) - if (sk->sk_prot == &tcpv6_prot && sk->sk_state == TCP_TIME_WAIT) + if (sk && sk->sk_prot == &tcpv6_prot && sk->sk_state == TCP_TIME_WAIT) return (unsigned long)sk; #endif @@ -9582,12 +9589,12 @@ const struct bpf_func_proto bpf_skc_to_tcp_timewait_sock_proto = { BPF_CALL_1(bpf_skc_to_tcp_request_sock, struct sock *, sk) { #ifdef CONFIG_INET - if (sk->sk_prot == &tcp_prot && sk->sk_state == TCP_NEW_SYN_RECV) + if (sk && sk->sk_prot == &tcp_prot && sk->sk_state == TCP_NEW_SYN_RECV) return (unsigned long)sk; #endif #if IS_BUILTIN(CONFIG_IPV6) - if (sk->sk_prot == &tcpv6_prot && sk->sk_state == TCP_NEW_SYN_RECV) + if (sk && sk->sk_prot == &tcpv6_prot && sk->sk_state == TCP_NEW_SYN_RECV) return (unsigned long)sk; #endif @@ -9609,7 +9616,7 @@ BPF_CALL_1(bpf_skc_to_udp6_sock, struct sock *, sk) * trigger an explicit type generation here. */ BTF_TYPE_EMIT(struct udp6_sock); - if (sk_fullsock(sk) && sk->sk_protocol == IPPROTO_UDP && + if (sk && sk_fullsock(sk) && sk->sk_protocol == IPPROTO_UDP && sk->sk_type == SOCK_DGRAM && sk->sk_family == AF_INET6) return (unsigned long)sk; diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c index dcd61aca343eca..944ab214e5ae85 100644 --- a/net/core/net_namespace.c +++ b/net/core/net_namespace.c @@ -251,10 +251,10 @@ int peernet2id_alloc(struct net *net, struct net *peer, gfp_t gfp) if (refcount_read(&net->count) == 0) return NETNSA_NSID_NOT_ASSIGNED; - spin_lock(&net->nsid_lock); + spin_lock_bh(&net->nsid_lock); id = __peernet2id(net, peer); if (id >= 0) { - spin_unlock(&net->nsid_lock); + spin_unlock_bh(&net->nsid_lock); return id; } @@ -264,12 +264,12 @@ int peernet2id_alloc(struct net *net, struct net *peer, gfp_t gfp) * just been idr_remove()'d from there in cleanup_net(). */ if (!maybe_get_net(peer)) { - spin_unlock(&net->nsid_lock); + spin_unlock_bh(&net->nsid_lock); return NETNSA_NSID_NOT_ASSIGNED; } id = alloc_netid(net, peer, -1); - spin_unlock(&net->nsid_lock); + spin_unlock_bh(&net->nsid_lock); put_net(peer); if (id < 0) @@ -534,20 +534,20 @@ static void unhash_nsid(struct net *net, struct net *last) for_each_net(tmp) { int id; - spin_lock(&tmp->nsid_lock); + spin_lock_bh(&tmp->nsid_lock); id = __peernet2id(tmp, net); if (id >= 0) idr_remove(&tmp->netns_ids, id); - spin_unlock(&tmp->nsid_lock); + spin_unlock_bh(&tmp->nsid_lock); if (id >= 0) rtnl_net_notifyid(tmp, RTM_DELNSID, id, 0, NULL, GFP_KERNEL); if (tmp == last) break; } - spin_lock(&net->nsid_lock); + spin_lock_bh(&net->nsid_lock); idr_destroy(&net->netns_ids); - spin_unlock(&net->nsid_lock); + spin_unlock_bh(&net->nsid_lock); } static LLIST_HEAD(cleanup_list); @@ -760,9 +760,9 @@ static int rtnl_net_newid(struct sk_buff *skb, struct nlmsghdr *nlh, return PTR_ERR(peer); } - spin_lock(&net->nsid_lock); + spin_lock_bh(&net->nsid_lock); if (__peernet2id(net, peer) >= 0) { - spin_unlock(&net->nsid_lock); + spin_unlock_bh(&net->nsid_lock); err = -EEXIST; NL_SET_BAD_ATTR(extack, nla); NL_SET_ERR_MSG(extack, @@ -771,7 +771,7 @@ static int rtnl_net_newid(struct sk_buff *skb, struct nlmsghdr *nlh, } err = alloc_netid(net, peer, nsid); - spin_unlock(&net->nsid_lock); + spin_unlock_bh(&net->nsid_lock); if (err >= 0) { rtnl_net_notifyid(net, RTM_NEWNSID, err, NETLINK_CB(skb).portid, nlh, GFP_KERNEL); diff --git a/net/core/netpoll.c b/net/core/netpoll.c index 093e90e52bc254..2338753e936b71 100644 --- a/net/core/netpoll.c +++ b/net/core/netpoll.c @@ -162,7 +162,7 @@ static void poll_napi(struct net_device *dev) struct napi_struct *napi; int cpu = smp_processor_id(); - list_for_each_entry(napi, &dev->napi_list, dev_list) { + list_for_each_entry_rcu(napi, &dev->napi_list, dev_list) { if (cmpxchg(&napi->poll_owner, -1, cpu) == -1) { poll_one_napi(napi); smp_store_release(&napi->poll_owner, -1); diff --git a/net/core/pktgen.c b/net/core/pktgen.c index b53b6d38c4dff8..44fdbb9c6e5347 100644 --- a/net/core/pktgen.c +++ b/net/core/pktgen.c @@ -3430,7 +3430,7 @@ xmit_more: net_info_ratelimited("%s xmit error: %d\n", pkt_dev->odevname, ret); pkt_dev->errors++; - /* fall through */ + fallthrough; case NETDEV_TX_BUSY: /* Retry it next time */ refcount_dec(&(pkt_dev->skb->users)); @@ -3699,7 +3699,7 @@ static int __net_init pktgen_create_thread(int cpu, struct pktgen_net *pn) cpu_to_node(cpu), "kpktgend_%d", cpu); if (IS_ERR(p)) { - pr_err("kernel_thread() failed for cpu %d\n", t->cpu); + pr_err("kthread_create_on_node() failed for cpu %d\n", t->cpu); list_del(&t->th_list); kfree(t); return PTR_ERR(p); diff --git a/net/core/skbuff.c b/net/core/skbuff.c index e18184ffa9c3fa..2b48cb0cc684d7 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -820,6 +820,7 @@ void skb_tx_error(struct sk_buff *skb) } EXPORT_SYMBOL(skb_tx_error); +#ifdef CONFIG_TRACEPOINTS /** * consume_skb - free an skbuff * @skb: buffer to free @@ -837,6 +838,7 @@ void consume_skb(struct sk_buff *skb) __kfree_skb(skb); } EXPORT_SYMBOL(consume_skb); +#endif /** * consume_stateless_skb - free an skbuff, assuming it is stateless @@ -5620,7 +5622,7 @@ int skb_mpls_push(struct sk_buff *skb, __be32 mpls_lse, __be16 mpls_proto, lse->label_stack_entry = mpls_lse; skb_postpush_rcsum(skb, lse, MPLS_HLEN); - if (ethernet) + if (ethernet && mac_len >= ETH_HLEN) skb_mod_eth_type(skb, eth_hdr(skb), mpls_proto); skb->protocol = mpls_proto; @@ -5660,7 +5662,7 @@ int skb_mpls_pop(struct sk_buff *skb, __be16 next_proto, int mac_len, skb_reset_mac_header(skb); skb_set_network_header(skb, mac_len); - if (ethernet) { + if (ethernet && mac_len >= ETH_HLEN) { struct ethhdr *hdr; /* use mpls_hdr() to get ethertype to account for VLANs. */ diff --git a/net/core/skmsg.c b/net/core/skmsg.c index 6a32a1fd34f8cd..649583158983a9 100644 --- a/net/core/skmsg.c +++ b/net/core/skmsg.c @@ -772,7 +772,6 @@ static void sk_psock_verdict_apply(struct sk_psock *psock, sk_psock_skb_redirect(skb); break; case __SK_DROP: - /* fall-through */ default: out_free: kfree_skb(skb); diff --git a/net/core/sock.c b/net/core/sock.c index e4f40b175acb79..6c5c6b18eff4c5 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -1008,7 +1008,7 @@ set_sndbuf: break; case SO_TIMESTAMPING_NEW: sock_set_flag(sk, SOCK_TSTAMP_NEW); - /* fall through */ + fallthrough; case SO_TIMESTAMPING_OLD: if (val & ~SOF_TIMESTAMPING_MASK) { ret = -EINVAL; @@ -3254,7 +3254,7 @@ void sk_common_release(struct sock *sk) sk->sk_prot->destroy(sk); /* - * Observation: when sock_common_release is called, processes have + * Observation: when sk_common_release is called, processes have * no access to socket. But net still has. * Step one, detach it from networking: * diff --git a/net/dcb/dcbnl.c b/net/dcb/dcbnl.c index 84dde5a2066eaf..16014ad1940667 100644 --- a/net/dcb/dcbnl.c +++ b/net/dcb/dcbnl.c @@ -1426,6 +1426,7 @@ static int dcbnl_ieee_set(struct net_device *netdev, struct nlmsghdr *nlh, { const struct dcbnl_rtnl_ops *ops = netdev->dcbnl_ops; struct nlattr *ieee[DCB_ATTR_IEEE_MAX + 1]; + int prio; int err; if (!ops) @@ -1475,6 +1476,13 @@ static int dcbnl_ieee_set(struct net_device *netdev, struct nlmsghdr *nlh, struct dcbnl_buffer *buffer = nla_data(ieee[DCB_ATTR_DCB_BUFFER]); + for (prio = 0; prio < ARRAY_SIZE(buffer->prio2buffer); prio++) { + if (buffer->prio2buffer[prio] >= DCBX_MAX_BUFFERS) { + err = -EINVAL; + goto err; + } + } + err = ops->dcbnl_setbuffer(netdev, buffer); if (err) goto err; diff --git a/net/dccp/ccids/ccid3.c b/net/dccp/ccids/ccid3.c index aef72f6a28291f..b9ee1a4a895548 100644 --- a/net/dccp/ccids/ccid3.c +++ b/net/dccp/ccids/ccid3.c @@ -608,7 +608,7 @@ static void ccid3_hc_rx_send_feedback(struct sock *sk, */ if (hc->rx_x_recv > 0) break; - /* fall through */ + fallthrough; case CCID3_FBACK_PERIODIC: delta = ktime_us_delta(now, hc->rx_tstamp_last_feedback); if (delta <= 0) diff --git a/net/dccp/feat.c b/net/dccp/feat.c index afc071ea1271e4..788dd629c4204a 100644 --- a/net/dccp/feat.c +++ b/net/dccp/feat.c @@ -1407,7 +1407,8 @@ int dccp_feat_parse_options(struct sock *sk, struct dccp_request_sock *dreq, * Negotiation during connection setup */ case DCCP_LISTEN: - server = true; /* fall through */ + server = true; + fallthrough; case DCCP_REQUESTING: switch (opt) { case DCCPO_CHANGE_L: diff --git a/net/dccp/input.c b/net/dccp/input.c index bd9cfdb67436c2..2cbb757a894f87 100644 --- a/net/dccp/input.c +++ b/net/dccp/input.c @@ -64,7 +64,7 @@ static int dccp_rcv_close(struct sock *sk, struct sk_buff *skb) */ if (dccp_sk(sk)->dccps_role != DCCP_ROLE_CLIENT) break; - /* fall through */ + fallthrough; case DCCP_REQUESTING: case DCCP_ACTIVE_CLOSEREQ: dccp_send_reset(sk, DCCP_RESET_CODE_CLOSED); @@ -76,7 +76,7 @@ static int dccp_rcv_close(struct sock *sk, struct sk_buff *skb) queued = 1; dccp_fin(sk, skb); dccp_set_state(sk, DCCP_PASSIVE_CLOSE); - /* fall through */ + fallthrough; case DCCP_PASSIVE_CLOSE: /* * Retransmitted Close: we have already enqueued the first one. @@ -113,7 +113,7 @@ static int dccp_rcv_closereq(struct sock *sk, struct sk_buff *skb) queued = 1; dccp_fin(sk, skb); dccp_set_state(sk, DCCP_PASSIVE_CLOSEREQ); - /* fall through */ + fallthrough; case DCCP_PASSIVE_CLOSEREQ: sk_wake_async(sk, SOCK_WAKE_WAITD, POLL_HUP); } @@ -530,7 +530,7 @@ static int dccp_rcv_respond_partopen_state_process(struct sock *sk, case DCCP_PKT_DATA: if (sk->sk_state == DCCP_RESPOND) break; - /* fall through */ + fallthrough; case DCCP_PKT_DATAACK: case DCCP_PKT_ACK: /* @@ -684,7 +684,7 @@ int dccp_rcv_state_process(struct sock *sk, struct sk_buff *skb, /* Step 8: if using Ack Vectors, mark packet acknowledgeable */ dccp_handle_ackvec_processing(sk, skb); dccp_deliver_input_to_ccids(sk, skb); - /* fall through */ + fallthrough; case DCCP_RESPOND: queued = dccp_rcv_respond_partopen_state_process(sk, skb, dh, len); diff --git a/net/dccp/options.c b/net/dccp/options.c index 51aaba7a5d4562..d24cad05001e52 100644 --- a/net/dccp/options.c +++ b/net/dccp/options.c @@ -225,7 +225,7 @@ int dccp_parse_options(struct sock *sk, struct dccp_request_sock *dreq, * interested. The RX CCID need not parse Ack Vectors, * since it is only interested in clearing old state. */ - /* fall through */ + fallthrough; case DCCPO_MIN_TX_CCID_SPECIFIC ... DCCPO_MAX_TX_CCID_SPECIFIC: if (ccid_hc_tx_parse_options(dp->dccps_hc_tx_ccid, sk, pkt_type, opt, value, len)) diff --git a/net/dccp/output.c b/net/dccp/output.c index 6433187a5cc442..50e6d5699bb297 100644 --- a/net/dccp/output.c +++ b/net/dccp/output.c @@ -62,7 +62,7 @@ static int dccp_transmit_skb(struct sock *sk, struct sk_buff *skb) switch (dcb->dccpd_type) { case DCCP_PKT_DATA: set_ack = 0; - /* fall through */ + fallthrough; case DCCP_PKT_DATAACK: case DCCP_PKT_RESET: break; @@ -72,12 +72,12 @@ static int dccp_transmit_skb(struct sock *sk, struct sk_buff *skb) /* Use ISS on the first (non-retransmitted) Request. */ if (icsk->icsk_retransmits == 0) dcb->dccpd_seq = dp->dccps_iss; - /* fall through */ + fallthrough; case DCCP_PKT_SYNC: case DCCP_PKT_SYNCACK: ackno = dcb->dccpd_ack_seq; - /* fall through */ + fallthrough; default: /* * Set owner/destructor: some skbs are allocated via @@ -481,7 +481,7 @@ struct sk_buff *dccp_ctl_make_reset(struct sock *sk, struct sk_buff *rcv_skb) case DCCP_RESET_CODE_PACKET_ERROR: dhr->dccph_reset_data[0] = rxdh->dccph_type; break; - case DCCP_RESET_CODE_OPTION_ERROR: /* fall through */ + case DCCP_RESET_CODE_OPTION_ERROR: case DCCP_RESET_CODE_MANDATORY_ERROR: memcpy(dhr->dccph_reset_data, dcb->dccpd_reset_data, 3); break; diff --git a/net/dccp/proto.c b/net/dccp/proto.c index d148ab1530e57b..6d705d90c6149c 100644 --- a/net/dccp/proto.c +++ b/net/dccp/proto.c @@ -101,7 +101,7 @@ void dccp_set_state(struct sock *sk, const int state) if (inet_csk(sk)->icsk_bind_hash != NULL && !(sk->sk_userlocks & SOCK_BINDPORT_LOCK)) inet_put_port(sk); - /* fall through */ + fallthrough; default: if (oldstate == DCCP_OPEN) DCCP_DEC_STATS(DCCP_MIB_CURRESTAB); @@ -834,7 +834,7 @@ int dccp_recvmsg(struct sock *sk, struct msghdr *msg, size_t len, int nonblock, case DCCP_PKT_CLOSEREQ: if (!(flags & MSG_PEEK)) dccp_finish_passive_close(sk); - /* fall through */ + fallthrough; case DCCP_PKT_RESET: dccp_pr_debug("found fin (%s) ok!\n", dccp_packet_name(dh->dccph_type)); @@ -960,7 +960,7 @@ static void dccp_terminate_connection(struct sock *sk) case DCCP_PARTOPEN: dccp_pr_debug("Stop PARTOPEN timer (%p)\n", sk); inet_csk_clear_xmit_timer(sk, ICSK_TIME_DACK); - /* fall through */ + fallthrough; case DCCP_OPEN: dccp_send_close(sk, 1); @@ -969,7 +969,7 @@ static void dccp_terminate_connection(struct sock *sk) next_state = DCCP_ACTIVE_CLOSEREQ; else next_state = DCCP_CLOSING; - /* fall through */ + fallthrough; default: dccp_set_state(sk, next_state); } diff --git a/net/decnet/af_decnet.c b/net/decnet/af_decnet.c index 3b53d766789d47..5dbd45dc35ad3f 100644 --- a/net/decnet/af_decnet.c +++ b/net/decnet/af_decnet.c @@ -623,12 +623,12 @@ static void dn_destroy_sock(struct sock *sk) goto disc_reject; case DN_RUN: scp->state = DN_DI; - /* fall through */ + fallthrough; case DN_DI: case DN_DR: disc_reject: dn_nsp_send_disc(sk, NSP_DISCINIT, 0, sk->sk_allocation); - /* fall through */ + fallthrough; case DN_NC: case DN_NR: case DN_RJ: @@ -642,7 +642,7 @@ disc_reject: break; default: printk(KERN_DEBUG "DECnet: dn_destroy_sock passed socket in invalid state\n"); - /* fall through */ + fallthrough; case DN_O: dn_stop_slow_timer(sk); diff --git a/net/decnet/dn_nsp_in.c b/net/decnet/dn_nsp_in.c index c68503a1802594..c97bdca5ec30fc 100644 --- a/net/decnet/dn_nsp_in.c +++ b/net/decnet/dn_nsp_in.c @@ -483,7 +483,7 @@ static void dn_nsp_disc_conf(struct sock *sk, struct sk_buff *skb) break; case DN_RUN: sk->sk_shutdown |= SHUTDOWN_MASK; - /* fall through */ + fallthrough; case DN_CC: scp->state = DN_CN; } diff --git a/net/decnet/dn_table.c b/net/decnet/dn_table.c index 33fefb0aebca46..4086f9c746af4e 100644 --- a/net/decnet/dn_table.c +++ b/net/decnet/dn_table.c @@ -156,7 +156,7 @@ static void dn_rehash_zone(struct dn_zone *dz) default: printk(KERN_DEBUG "DECnet: dn_rehash_zone: BUG! %d\n", old_divisor); - /* fall through */ + fallthrough; case 256: new_divisor = 1024; new_hashmask = 0x3FF; diff --git a/net/decnet/sysctl_net_decnet.c b/net/decnet/sysctl_net_decnet.c index deae519bdeecd9..67b5ab2657b7c9 100644 --- a/net/decnet/sysctl_net_decnet.c +++ b/net/decnet/sysctl_net_decnet.c @@ -75,7 +75,7 @@ static void strip_it(char *str) case '\r': case ':': *str = 0; - /* Fallthrough */ + fallthrough; case 0: return; } diff --git a/net/dsa/slave.c b/net/dsa/slave.c index 41d60eeefdbd99..16e5f98d4882ef 100644 --- a/net/dsa/slave.c +++ b/net/dsa/slave.c @@ -1799,15 +1799,27 @@ int dsa_slave_create(struct dsa_port *port) dsa_slave_notify(slave_dev, DSA_PORT_REGISTER); - ret = register_netdev(slave_dev); + rtnl_lock(); + + ret = register_netdevice(slave_dev); if (ret) { netdev_err(master, "error %d registering interface %s\n", ret, slave_dev->name); + rtnl_unlock(); goto out_phy; } + ret = netdev_upper_dev_link(master, slave_dev, NULL); + + rtnl_unlock(); + + if (ret) + goto out_unregister; + return 0; +out_unregister: + unregister_netdev(slave_dev); out_phy: rtnl_lock(); phylink_disconnect_phy(p->dp->pl); @@ -1824,16 +1836,18 @@ out_free: void dsa_slave_destroy(struct net_device *slave_dev) { + struct net_device *master = dsa_slave_to_master(slave_dev); struct dsa_port *dp = dsa_slave_to_port(slave_dev); struct dsa_slave_priv *p = netdev_priv(slave_dev); netif_carrier_off(slave_dev); rtnl_lock(); + netdev_upper_dev_unlink(master, slave_dev); + unregister_netdevice(slave_dev); phylink_disconnect_phy(dp->pl); rtnl_unlock(); dsa_slave_notify(slave_dev, DSA_PORT_UNREGISTER); - unregister_netdev(slave_dev); phylink_destroy(dp->pl); gro_cells_destroy(&p->gcells); free_percpu(p->stats64); @@ -2009,7 +2023,7 @@ static int dsa_slave_switchdev_event(struct notifier_block *unused, switchdev_work->event = event; switch (event) { - case SWITCHDEV_FDB_ADD_TO_DEVICE: /* fall through */ + case SWITCHDEV_FDB_ADD_TO_DEVICE: case SWITCHDEV_FDB_DEL_TO_DEVICE: if (dsa_slave_switchdev_fdb_work_init(switchdev_work, ptr)) goto err_fdb_work_init; diff --git a/net/dsa/tag_ocelot.c b/net/dsa/tag_ocelot.c index 42f327c06dcace..b4fc05cafaa61e 100644 --- a/net/dsa/tag_ocelot.c +++ b/net/dsa/tag_ocelot.c @@ -160,11 +160,14 @@ static struct sk_buff *ocelot_xmit(struct sk_buff *skb, packing(injection, &qos_class, 19, 17, OCELOT_TAG_LEN, PACK, 0); if (ocelot->ptp && (skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP)) { + struct sk_buff *clone = DSA_SKB_CB(skb)->clone; + rew_op = ocelot_port->ptp_cmd; - if (ocelot_port->ptp_cmd == IFH_REW_OP_TWO_STEP_PTP) { - rew_op |= (ocelot_port->ts_id % 4) << 3; - ocelot_port->ts_id++; - } + /* Retrieve timestamp ID populated inside skb->cb[0] of the + * clone by ocelot_port_add_txtstamp_skb + */ + if (ocelot_port->ptp_cmd == IFH_REW_OP_TWO_STEP_PTP) + rew_op |= clone->cb[0] << 3; packing(injection, &rew_op, 125, 117, OCELOT_TAG_LEN, PACK, 0); } diff --git a/net/ethtool/netlink.c b/net/ethtool/netlink.c index 5c2072765be71c..0c3f54baec4ec3 100644 --- a/net/ethtool/netlink.c +++ b/net/ethtool/netlink.c @@ -866,7 +866,7 @@ static const struct genl_multicast_group ethtool_nl_mcgrps[] = { [ETHNL_MCGRP_MONITOR] = { .name = ETHTOOL_MCGRP_MONITOR_NAME }, }; -static struct genl_family ethtool_genl_family = { +static struct genl_family ethtool_genl_family __ro_after_init = { .name = ETHTOOL_GENL_NAME, .version = ETHTOOL_GENL_VERSION, .netnsok = true, diff --git a/net/ethtool/tunnels.c b/net/ethtool/tunnels.c index 84f23289475bcb..d93bf2da0f3473 100644 --- a/net/ethtool/tunnels.c +++ b/net/ethtool/tunnels.c @@ -200,7 +200,7 @@ int ethnl_tunnel_info_doit(struct sk_buff *skb, struct genl_info *info) reply_len = ret + ethnl_reply_header_size(); rskb = ethnl_reply_init(reply_len, req_info.dev, - ETHTOOL_MSG_TUNNEL_INFO_GET, + ETHTOOL_MSG_TUNNEL_INFO_GET_REPLY, ETHTOOL_A_TUNNEL_INFO_HEADER, info, &reply_payload); if (!rskb) { @@ -273,7 +273,7 @@ int ethnl_tunnel_info_dumpit(struct sk_buff *skb, struct netlink_callback *cb) goto cont; ehdr = ethnl_dump_put(skb, cb, - ETHTOOL_MSG_TUNNEL_INFO_GET); + ETHTOOL_MSG_TUNNEL_INFO_GET_REPLY); if (!ehdr) { ret = -EMSGSIZE; goto out; diff --git a/net/hsr/hsr_netlink.c b/net/hsr/hsr_netlink.c index 06c3cd98876076..0e4681cf71db84 100644 --- a/net/hsr/hsr_netlink.c +++ b/net/hsr/hsr_netlink.c @@ -76,7 +76,7 @@ static int hsr_newlink(struct net *src_net, struct net_device *dev, proto = nla_get_u8(data[IFLA_HSR_PROTOCOL]); if (proto >= HSR_PROTOCOL_MAX) { - NL_SET_ERR_MSG_MOD(extack, "Unsupported protocol\n"); + NL_SET_ERR_MSG_MOD(extack, "Unsupported protocol"); return -EINVAL; } @@ -84,14 +84,14 @@ static int hsr_newlink(struct net *src_net, struct net_device *dev, proto_version = HSR_V0; } else { if (proto == HSR_PROTOCOL_PRP) { - NL_SET_ERR_MSG_MOD(extack, "PRP version unsupported\n"); + NL_SET_ERR_MSG_MOD(extack, "PRP version unsupported"); return -EINVAL; } proto_version = nla_get_u8(data[IFLA_HSR_VERSION]); if (proto_version > HSR_V1) { NL_SET_ERR_MSG_MOD(extack, - "Only HSR version 0/1 supported\n"); + "Only HSR version 0/1 supported"); return -EINVAL; } } diff --git a/net/ieee802154/6lowpan/reassembly.c b/net/ieee802154/6lowpan/reassembly.c index bbe9b3b2d3959f..be6f06adefe0a7 100644 --- a/net/ieee802154/6lowpan/reassembly.c +++ b/net/ieee802154/6lowpan/reassembly.c @@ -195,7 +195,7 @@ static int lowpan_frag_rx_handlers_result(struct sk_buff *skb, net_warn_ratelimited("%s: received unknown dispatch\n", __func__); - /* fall-through */ + fallthrough; default: /* all others failure */ return NET_RX_DROP; diff --git a/net/ieee802154/6lowpan/rx.c b/net/ieee802154/6lowpan/rx.c index b34d050c968716..517e6493f5d14f 100644 --- a/net/ieee802154/6lowpan/rx.c +++ b/net/ieee802154/6lowpan/rx.c @@ -35,11 +35,11 @@ static int lowpan_rx_handlers_result(struct sk_buff *skb, lowpan_rx_result res) net_warn_ratelimited("%s: received unknown dispatch\n", __func__); - /* fall-through */ + fallthrough; case RX_DROP_UNUSABLE: kfree_skb(skb); - /* fall-through */ + fallthrough; case RX_DROP: return NET_RX_DROP; case RX_QUEUED: diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c index 41079490a11816..86a23e4a6a50ff 100644 --- a/net/ipv4/fib_frontend.c +++ b/net/ipv4/fib_frontend.c @@ -362,6 +362,7 @@ static int __fib_validate_source(struct sk_buff *skb, __be32 src, __be32 dst, fl4.flowi4_tun_key.tun_id = 0; fl4.flowi4_flags = 0; fl4.flowi4_uid = sock_net_uid(net, NULL); + fl4.flowi4_multipath_hash = 0; no_addr = idev->ifa_list == NULL; diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c index c89b46fec153b6..ffc5332f139062 100644 --- a/net/ipv4/fib_trie.c +++ b/net/ipv4/fib_trie.c @@ -2121,7 +2121,8 @@ void fib_info_notify_update(struct net *net, struct nl_info *info) struct hlist_head *head = &net->ipv4.fib_table_hash[h]; struct fib_table *tb; - hlist_for_each_entry_rcu(tb, head, tb_hlist) + hlist_for_each_entry_rcu(tb, head, tb_hlist, + lockdep_rtnl_is_held()) __fib_info_notify_update(net, tb, info); } } diff --git a/net/ipv4/inet_diag.c b/net/ipv4/inet_diag.c index 4a98dd7362702c..f1bd95f243b306 100644 --- a/net/ipv4/inet_diag.c +++ b/net/ipv4/inet_diag.c @@ -186,8 +186,8 @@ errout: } EXPORT_SYMBOL_GPL(inet_diag_msg_attrs_fill); -static void inet_diag_parse_attrs(const struct nlmsghdr *nlh, int hdrlen, - struct nlattr **req_nlas) +static int inet_diag_parse_attrs(const struct nlmsghdr *nlh, int hdrlen, + struct nlattr **req_nlas) { struct nlattr *nla; int remaining; @@ -195,9 +195,13 @@ static void inet_diag_parse_attrs(const struct nlmsghdr *nlh, int hdrlen, nlmsg_for_each_attr(nla, nlh, hdrlen, remaining) { int type = nla_type(nla); + if (type == INET_DIAG_REQ_PROTOCOL && nla_len(nla) != sizeof(u32)) + return -EINVAL; + if (type < __INET_DIAG_REQ_MAX) req_nlas[type] = nla; } + return 0; } static int inet_diag_get_protocol(const struct inet_diag_req_v2 *req, @@ -574,7 +578,10 @@ static int inet_diag_cmd_exact(int cmd, struct sk_buff *in_skb, int err, protocol; memset(&dump_data, 0, sizeof(dump_data)); - inet_diag_parse_attrs(nlh, hdrlen, dump_data.req_nlas); + err = inet_diag_parse_attrs(nlh, hdrlen, dump_data.req_nlas); + if (err) + return err; + protocol = inet_diag_get_protocol(req, &dump_data); handler = inet_diag_lock_handler(protocol); @@ -1180,8 +1187,11 @@ static int __inet_diag_dump_start(struct netlink_callback *cb, int hdrlen) if (!cb_data) return -ENOMEM; - inet_diag_parse_attrs(nlh, hdrlen, cb_data->req_nlas); - + err = inet_diag_parse_attrs(nlh, hdrlen, cb_data->req_nlas); + if (err) { + kfree(cb_data); + return err; + } nla = cb_data->inet_diag_nla_bc; if (nla) { err = inet_diag_bc_audit(nla, skb); diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c index 61f802d5350c8e..e6f2ada9e7d565 100644 --- a/net/ipv4/ip_output.c +++ b/net/ipv4/ip_output.c @@ -74,6 +74,7 @@ #include <net/icmp.h> #include <net/checksum.h> #include <net/inetpeer.h> +#include <net/inet_ecn.h> #include <net/lwtunnel.h> #include <linux/bpf-cgroup.h> #include <linux/igmp.h> @@ -1703,7 +1704,7 @@ void ip_send_unicast_reply(struct sock *sk, struct sk_buff *skb, if (IS_ERR(rt)) return; - inet_sk(sk)->tos = arg->tos; + inet_sk(sk)->tos = arg->tos & ~INET_ECN_MASK; sk->sk_protocol = ip_hdr(skb)->protocol; sk->sk_bound_dev_if = arg->bound_dev_if; diff --git a/net/ipv4/ip_tunnel_core.c b/net/ipv4/ip_tunnel_core.c index 75c6013ff9a41f..b2ea1a8c5fd66d 100644 --- a/net/ipv4/ip_tunnel_core.c +++ b/net/ipv4/ip_tunnel_core.c @@ -554,6 +554,7 @@ static int ip_tun_parse_opts_vxlan(struct nlattr *attr, attr = tb[LWTUNNEL_IP_OPT_VXLAN_GBP]; md->gbp = nla_get_u32(attr); + md->gbp &= VXLAN_GBP_MASK; info->key.tun_flags |= TUNNEL_VXLAN_OPT; } diff --git a/net/ipv4/ip_vti.c b/net/ipv4/ip_vti.c index 49daaed897649c..f687abb069fa71 100644 --- a/net/ipv4/ip_vti.c +++ b/net/ipv4/ip_vti.c @@ -490,6 +490,7 @@ static struct xfrm_tunnel vti_ipip_handler __read_mostly = { .priority = 0, }; +#if IS_ENABLED(CONFIG_IPV6) static struct xfrm_tunnel vti_ipip6_handler __read_mostly = { .handler = vti_rcv_tunnel, .cb_handler = vti_rcv_cb, @@ -497,6 +498,7 @@ static struct xfrm_tunnel vti_ipip6_handler __read_mostly = { .priority = 0, }; #endif +#endif static int __net_init vti_init_net(struct net *net) { diff --git a/net/ipv4/netfilter/nf_nat_pptp.c b/net/ipv4/netfilter/nf_nat_pptp.c index 7afde8828b4c9c..3f248a19faa309 100644 --- a/net/ipv4/netfilter/nf_nat_pptp.c +++ b/net/ipv4/netfilter/nf_nat_pptp.c @@ -3,7 +3,7 @@ * nf_nat_pptp.c * * NAT support for PPTP (Point to Point Tunneling Protocol). - * PPTP is a a protocol for creating virtual private networks. + * PPTP is a protocol for creating virtual private networks. * It is a specification defined by Microsoft and some vendors * working with Microsoft. PPTP is built on top of a modified * version of the Internet Generic Routing Encapsulation Protocol. diff --git a/net/ipv4/proc.c b/net/ipv4/proc.c index 1074df726ec0cd..8d5e1695b9aa87 100644 --- a/net/ipv4/proc.c +++ b/net/ipv4/proc.c @@ -293,6 +293,7 @@ static const struct snmp_mib snmp4_net_list[] = { SNMP_MIB_ITEM("TcpTimeoutRehash", LINUX_MIB_TCPTIMEOUTREHASH), SNMP_MIB_ITEM("TcpDuplicateDataRehash", LINUX_MIB_TCPDUPLICATEDATAREHASH), SNMP_MIB_ITEM("TCPDSACKRecvSegs", LINUX_MIB_TCPDSACKRECVSEGS), + SNMP_MIB_ITEM("TCPDSACKIgnoredDubious", LINUX_MIB_TCPDSACKIGNOREDDUBIOUS), SNMP_MIB_SENTINEL }; diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c index 6fd4330287c279..407956be7deb30 100644 --- a/net/ipv4/raw.c +++ b/net/ipv4/raw.c @@ -610,7 +610,7 @@ static int raw_sendmsg(struct sock *sk, struct msghdr *msg, size_t len) } else if (!ipc.oif) { ipc.oif = inet->uc_index; } else if (ipv4_is_lbcast(daddr) && inet->uc_index) { - /* oif is set, packet is to local broadcast and + /* oif is set, packet is to local broadcast * and uc_index is set. oif is most likely set * by sk_bound_dev_if. If uc_index != oif check if the * oif is an L3 master and uc_index is an L3 slave. diff --git a/net/ipv4/route.c b/net/ipv4/route.c index 8ca6bcab7b03d9..58642b29a499d7 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -786,8 +786,10 @@ static void __ip_do_redirect(struct rtable *rt, struct sk_buff *skb, struct flow neigh_event_send(n, NULL); } else { if (fib_lookup(net, fl4, &res, 0) == 0) { - struct fib_nh_common *nhc = FIB_RES_NHC(res); + struct fib_nh_common *nhc; + fib_select_path(net, &res, fl4, skb); + nhc = FIB_RES_NHC(res); update_or_create_fnhe(nhc, fl4->daddr, new_gw, 0, false, jiffies + ip_rt_gc_timeout); @@ -1013,6 +1015,7 @@ out: kfree_skb(skb); static void __ip_rt_update_pmtu(struct rtable *rt, struct flowi4 *fl4, u32 mtu) { struct dst_entry *dst = &rt->dst; + struct net *net = dev_net(dst->dev); u32 old_mtu = ipv4_mtu(dst); struct fib_result res; bool lock = false; @@ -1033,9 +1036,11 @@ static void __ip_rt_update_pmtu(struct rtable *rt, struct flowi4 *fl4, u32 mtu) return; rcu_read_lock(); - if (fib_lookup(dev_net(dst->dev), fl4, &res, 0) == 0) { - struct fib_nh_common *nhc = FIB_RES_NHC(res); + if (fib_lookup(net, fl4, &res, 0) == 0) { + struct fib_nh_common *nhc; + fib_select_path(net, &res, fl4, NULL); + nhc = FIB_RES_NHC(res); update_or_create_fnhe(nhc, fl4->daddr, 0, mtu, lock, jiffies + ip_rt_mtu_expires); } @@ -2147,6 +2152,7 @@ static int ip_route_input_slow(struct sk_buff *skb, __be32 daddr, __be32 saddr, fl4.daddr = daddr; fl4.saddr = saddr; fl4.flowi4_uid = sock_net_uid(net, NULL); + fl4.flowi4_multipath_hash = 0; if (fib4_rules_early_flow_dissect(net, skb, &fl4, &_flkeys)) { flkeys = &_flkeys; @@ -2667,8 +2673,6 @@ struct rtable *ip_route_output_key_hash_rcu(struct net *net, struct flowi4 *fl4, fib_select_path(net, res, fl4, skb); dev_out = FIB_RES_DEV(*res); - fl4->flowi4_oif = dev_out->ifindex; - make_route: rth = __mkroute_output(res, fl4, orig_oif, dev_out, flags); diff --git a/net/ipv4/syncookies.c b/net/ipv4/syncookies.c index f0794f0232bae7..e037566315412a 100644 --- a/net/ipv4/syncookies.c +++ b/net/ipv4/syncookies.c @@ -214,7 +214,7 @@ struct sock *tcp_get_cookie_sock(struct sock *sk, struct sk_buff *skb, sock_rps_save_rxhash(child, skb); if (rsk_drop_req(req)) { - refcount_set(&req->rsk_refcnt, 2); + reqsk_put(req); return child; } diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index 31f3b858db8199..2135ee7c806da2 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -970,7 +970,8 @@ ssize_t do_tcp_sendpages(struct sock *sk, struct page *page, int offset, long timeo = sock_sndtimeo(sk, flags & MSG_DONTWAIT); if (IS_ENABLED(CONFIG_DEBUG_VM) && - WARN_ONCE(PageSlab(page), "page must not be a Slab one")) + WARN_ONCE(!sendpage_ok(page), + "page must not be a Slab one and have page_count > 0")) return -EINVAL; /* Wait for a connection to finish. One exception is TCP Fast Open diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index 184ea556f50e35..b1ce2054291d42 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -885,21 +885,34 @@ struct tcp_sacktag_state { struct rate_sample *rate; }; -/* Take a notice that peer is sending D-SACKs */ +/* Take a notice that peer is sending D-SACKs. Skip update of data delivery + * and spurious retransmission information if this DSACK is unlikely caused by + * sender's action: + * - DSACKed sequence range is larger than maximum receiver's window. + * - Total no. of DSACKed segments exceed the total no. of retransmitted segs. + */ static u32 tcp_dsack_seen(struct tcp_sock *tp, u32 start_seq, u32 end_seq, struct tcp_sacktag_state *state) { u32 seq_len, dup_segs = 1; - if (before(start_seq, end_seq)) { - seq_len = end_seq - start_seq; - if (seq_len > tp->mss_cache) - dup_segs = DIV_ROUND_UP(seq_len, tp->mss_cache); - } + if (!before(start_seq, end_seq)) + return 0; + + seq_len = end_seq - start_seq; + /* Dubious DSACK: DSACKed range greater than maximum advertised rwnd */ + if (seq_len > tp->max_window) + return 0; + if (seq_len > tp->mss_cache) + dup_segs = DIV_ROUND_UP(seq_len, tp->mss_cache); + + tp->dsack_dups += dup_segs; + /* Skip the DSACK if dup segs weren't retransmitted by sender */ + if (tp->dsack_dups > tp->total_retrans) + return 0; tp->rx_opt.sack_ok |= TCP_DSACK_SEEN; tp->rack.dsack_seen = 1; - tp->dsack_dups += dup_segs; state->flag |= FLAG_DSACKING_ACK; /* A spurious retransmission is delivered */ @@ -1153,6 +1166,11 @@ static bool tcp_check_dsack(struct sock *sk, const struct sk_buff *ack_skb, } dup_segs = tcp_dsack_seen(tp, start_seq_0, end_seq_0, state); + if (!dup_segs) { /* Skip dubious DSACK */ + NET_INC_STATS(sock_net(sk), LINUX_MIB_TCPDSACKIGNOREDDUBIOUS); + return false; + } + NET_ADD_STATS(sock_net(sk), LINUX_MIB_TCPDSACKRECVSEGS, dup_segs); /* D-SACK for already forgotten data... Do dumb counting. */ diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index 5084333b5ab647..592c7396272315 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -1788,12 +1788,12 @@ bool tcp_add_backlog(struct sock *sk, struct sk_buff *skb) __skb_pull(skb, hdrlen); if (skb_try_coalesce(tail, skb, &fragstolen, &delta)) { - thtail->window = th->window; - TCP_SKB_CB(tail)->end_seq = TCP_SKB_CB(skb)->end_seq; - if (after(TCP_SKB_CB(skb)->ack_seq, TCP_SKB_CB(tail)->ack_seq)) + if (likely(!before(TCP_SKB_CB(skb)->ack_seq, TCP_SKB_CB(tail)->ack_seq))) { TCP_SKB_CB(tail)->ack_seq = TCP_SKB_CB(skb)->ack_seq; + thtail->window = th->window; + } /* We have to update both TCP_SKB_CB(tail)->tcp_flags and * thtail->fin, so that the fast path in tcp_rcv_established() diff --git a/net/ipv6/Kconfig b/net/ipv6/Kconfig index 76bff79d6fedac..747f56e0c63680 100644 --- a/net/ipv6/Kconfig +++ b/net/ipv6/Kconfig @@ -303,6 +303,7 @@ config IPV6_SEG6_LWTUNNEL config IPV6_SEG6_HMAC bool "IPv6: Segment Routing HMAC support" depends on IPV6 + select CRYPTO select CRYPTO_HMAC select CRYPTO_SHA1 select CRYPTO_SHA256 diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c index 25a90f3f705c7e..4a664ad4f4d4bb 100644 --- a/net/ipv6/ip6_fib.c +++ b/net/ipv6/ip6_fib.c @@ -1993,14 +1993,19 @@ static void fib6_del_route(struct fib6_table *table, struct fib6_node *fn, /* Need to own table->tb6_lock */ int fib6_del(struct fib6_info *rt, struct nl_info *info) { - struct fib6_node *fn = rcu_dereference_protected(rt->fib6_node, - lockdep_is_held(&rt->fib6_table->tb6_lock)); - struct fib6_table *table = rt->fib6_table; struct net *net = info->nl_net; struct fib6_info __rcu **rtp; struct fib6_info __rcu **rtp_next; + struct fib6_table *table; + struct fib6_node *fn; + + if (rt == net->ipv6.fib6_null_entry) + return -ENOENT; - if (!fn || rt == net->ipv6.fib6_null_entry) + table = rt->fib6_table; + fn = rcu_dereference_protected(rt->fib6_node, + lockdep_is_held(&table->tb6_lock)); + if (!fn) return -ENOENT; WARN_ON(!(fn->fn_flags & RTN_RTINFO)); diff --git a/net/ipv6/route.c b/net/ipv6/route.c index 5e7e25e2523ac2..fb075d9545b9ec 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -4202,7 +4202,7 @@ static struct fib6_info *rt6_add_route_info(struct net *net, .fc_nlinfo.nl_net = net, }; - cfg.fc_table = l3mdev_fib_table(dev) ? : RT6_TABLE_INFO, + cfg.fc_table = l3mdev_fib_table(dev) ? : RT6_TABLE_INFO; cfg.fc_dst = *prefix; cfg.fc_gateway = *gwaddr; diff --git a/net/ipv6/sysctl_net_ipv6.c b/net/ipv6/sysctl_net_ipv6.c index fac2135aa47b6f..5b60a4bdd36af0 100644 --- a/net/ipv6/sysctl_net_ipv6.c +++ b/net/ipv6/sysctl_net_ipv6.c @@ -21,6 +21,7 @@ #include <net/calipso.h> #endif +static int two = 2; static int flowlabel_reflect_max = 0x7; static int auto_flowlabels_min; static int auto_flowlabels_max = IP6_AUTO_FLOW_LABEL_MAX; @@ -150,7 +151,7 @@ static struct ctl_table ipv6_table_template[] = { .mode = 0644, .proc_handler = proc_rt6_multipath_hash_policy, .extra1 = SYSCTL_ZERO, - .extra2 = SYSCTL_ONE, + .extra2 = &two, }, { .procname = "seg6_flowlabel", diff --git a/net/iucv/af_iucv.c b/net/iucv/af_iucv.c index 6ee9851ac7c680..a95af62acb5298 100644 --- a/net/iucv/af_iucv.c +++ b/net/iucv/af_iucv.c @@ -418,7 +418,7 @@ static void iucv_sock_close(struct sock *sk) sk->sk_state = IUCV_DISCONN; sk->sk_state_change(sk); } - /* fall through */ + fallthrough; case IUCV_DISCONN: sk->sk_state = IUCV_CLOSING; @@ -433,7 +433,7 @@ static void iucv_sock_close(struct sock *sk) iucv_sock_in_state(sk, IUCV_CLOSED, 0), timeo); } - /* fall through */ + fallthrough; case IUCV_CLOSING: sk->sk_state = IUCV_CLOSED; @@ -444,7 +444,7 @@ static void iucv_sock_close(struct sock *sk) skb_queue_purge(&iucv->send_skb_q); skb_queue_purge(&iucv->backlog_skb_q); - /* fall through */ + fallthrough; default: iucv_sever_path(sk, 1); @@ -2111,10 +2111,10 @@ static int afiucv_hs_rcv(struct sk_buff *skb, struct net_device *dev, kfree_skb(skb); break; } - /* fall through - and receive non-zero length data */ + fallthrough; /* and receive non-zero length data */ case (AF_IUCV_FLAG_SHT): /* shutdown request */ - /* fall through - and receive zero length data */ + fallthrough; /* and receive zero length data */ case 0: /* plain data frame */ IUCV_SKB_CB(skb)->class = trans_hdr->iucv_hdr.class; diff --git a/net/l3mdev/l3mdev.c b/net/l3mdev/l3mdev.c index e71ca5aec684a4..864326f150e2fc 100644 --- a/net/l3mdev/l3mdev.c +++ b/net/l3mdev/l3mdev.c @@ -154,7 +154,7 @@ int l3mdev_master_upper_ifindex_by_index_rcu(struct net *net, int ifindex) EXPORT_SYMBOL_GPL(l3mdev_master_upper_ifindex_by_index_rcu); /** - * l3mdev_fib_table - get FIB table id associated with an L3 + * l3mdev_fib_table_rcu - get FIB table id associated with an L3 * master interface * @dev: targeted interface */ diff --git a/net/mac80211/airtime.c b/net/mac80211/airtime.c index 366f76c9003ddd..26d2f8ba70297d 100644 --- a/net/mac80211/airtime.c +++ b/net/mac80211/airtime.c @@ -405,18 +405,14 @@ ieee80211_calc_legacy_rate_duration(u16 bitrate, bool short_pre, return duration; } -u32 ieee80211_calc_rx_airtime(struct ieee80211_hw *hw, - struct ieee80211_rx_status *status, - int len) +static u32 ieee80211_get_rate_duration(struct ieee80211_hw *hw, + struct ieee80211_rx_status *status, + u32 *overhead) { - struct ieee80211_supported_band *sband; - const struct ieee80211_rate *rate; bool sgi = status->enc_flags & RX_ENC_FLAG_SHORT_GI; - bool sp = status->enc_flags & RX_ENC_FLAG_SHORTPRE; int bw, streams; int group, idx; u32 duration; - bool cck; switch (status->bw) { case RATE_INFO_BW_20: @@ -437,20 +433,6 @@ u32 ieee80211_calc_rx_airtime(struct ieee80211_hw *hw, } switch (status->encoding) { - case RX_ENC_LEGACY: - if (WARN_ON_ONCE(status->band > NL80211_BAND_5GHZ)) - return 0; - - sband = hw->wiphy->bands[status->band]; - if (!sband || status->rate_idx >= sband->n_bitrates) - return 0; - - rate = &sband->bitrates[status->rate_idx]; - cck = rate->flags & IEEE80211_RATE_MANDATORY_B; - - return ieee80211_calc_legacy_rate_duration(rate->bitrate, sp, - cck, len); - case RX_ENC_VHT: streams = status->nss; idx = status->rate_idx; @@ -477,51 +459,146 @@ u32 ieee80211_calc_rx_airtime(struct ieee80211_hw *hw, duration = airtime_mcs_groups[group].duration[idx]; duration <<= airtime_mcs_groups[group].shift; + *overhead = 36 + (streams << 2); + + return duration; +} + + +u32 ieee80211_calc_rx_airtime(struct ieee80211_hw *hw, + struct ieee80211_rx_status *status, + int len) +{ + struct ieee80211_supported_band *sband; + u32 duration, overhead = 0; + + if (status->encoding == RX_ENC_LEGACY) { + const struct ieee80211_rate *rate; + bool sp = status->enc_flags & RX_ENC_FLAG_SHORTPRE; + bool cck; + + if (WARN_ON_ONCE(status->band > NL80211_BAND_5GHZ)) + return 0; + + sband = hw->wiphy->bands[status->band]; + if (!sband || status->rate_idx >= sband->n_bitrates) + return 0; + + rate = &sband->bitrates[status->rate_idx]; + cck = rate->flags & IEEE80211_RATE_MANDATORY_B; + + return ieee80211_calc_legacy_rate_duration(rate->bitrate, sp, + cck, len); + } + + duration = ieee80211_get_rate_duration(hw, status, &overhead); + if (!duration) + return 0; + duration *= len; duration /= AVG_PKT_SIZE; duration /= 1024; - duration += 36 + (streams << 2); - - return duration; + return duration + overhead; } EXPORT_SYMBOL_GPL(ieee80211_calc_rx_airtime); -static u32 ieee80211_calc_tx_airtime_rate(struct ieee80211_hw *hw, - struct ieee80211_tx_rate *rate, - u8 band, int len) +static bool ieee80211_fill_rate_info(struct ieee80211_hw *hw, + struct ieee80211_rx_status *stat, u8 band, + struct rate_info *ri) { - struct ieee80211_rx_status stat = { - .band = band, - }; + struct ieee80211_supported_band *sband = hw->wiphy->bands[band]; + int i; - if (rate->idx < 0 || !rate->count) + if (!ri || !sband) + return false; + + stat->bw = ri->bw; + stat->nss = ri->nss; + stat->rate_idx = ri->mcs; + + if (ri->flags & RATE_INFO_FLAGS_HE_MCS) + stat->encoding = RX_ENC_HE; + else if (ri->flags & RATE_INFO_FLAGS_VHT_MCS) + stat->encoding = RX_ENC_VHT; + else if (ri->flags & RATE_INFO_FLAGS_MCS) + stat->encoding = RX_ENC_HT; + else + stat->encoding = RX_ENC_LEGACY; + + if (ri->flags & RATE_INFO_FLAGS_SHORT_GI) + stat->enc_flags |= RX_ENC_FLAG_SHORT_GI; + + stat->he_gi = ri->he_gi; + + if (stat->encoding != RX_ENC_LEGACY) + return true; + + stat->rate_idx = 0; + for (i = 0; i < sband->n_bitrates; i++) { + if (ri->legacy != sband->bitrates[i].bitrate) + continue; + + stat->rate_idx = i; + return true; + } + + return false; +} + +static int ieee80211_fill_rx_status(struct ieee80211_rx_status *stat, + struct ieee80211_hw *hw, + struct ieee80211_tx_rate *rate, + struct rate_info *ri, u8 band, int len) +{ + memset(stat, 0, sizeof(*stat)); + stat->band = band; + + if (ieee80211_fill_rate_info(hw, stat, band, ri)) return 0; - if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH) - stat.bw = RATE_INFO_BW_80; + if (rate->idx < 0 || !rate->count) + return -1; + + if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH) + stat->bw = RATE_INFO_BW_160; + else if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH) + stat->bw = RATE_INFO_BW_80; else if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH) - stat.bw = RATE_INFO_BW_40; + stat->bw = RATE_INFO_BW_40; else - stat.bw = RATE_INFO_BW_20; + stat->bw = RATE_INFO_BW_20; - stat.enc_flags = 0; + stat->enc_flags = 0; if (rate->flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE) - stat.enc_flags |= RX_ENC_FLAG_SHORTPRE; + stat->enc_flags |= RX_ENC_FLAG_SHORTPRE; if (rate->flags & IEEE80211_TX_RC_SHORT_GI) - stat.enc_flags |= RX_ENC_FLAG_SHORT_GI; + stat->enc_flags |= RX_ENC_FLAG_SHORT_GI; - stat.rate_idx = rate->idx; + stat->rate_idx = rate->idx; if (rate->flags & IEEE80211_TX_RC_VHT_MCS) { - stat.encoding = RX_ENC_VHT; - stat.rate_idx = ieee80211_rate_get_vht_mcs(rate); - stat.nss = ieee80211_rate_get_vht_nss(rate); + stat->encoding = RX_ENC_VHT; + stat->rate_idx = ieee80211_rate_get_vht_mcs(rate); + stat->nss = ieee80211_rate_get_vht_nss(rate); } else if (rate->flags & IEEE80211_TX_RC_MCS) { - stat.encoding = RX_ENC_HT; + stat->encoding = RX_ENC_HT; } else { - stat.encoding = RX_ENC_LEGACY; + stat->encoding = RX_ENC_LEGACY; } + return 0; +} + +static u32 ieee80211_calc_tx_airtime_rate(struct ieee80211_hw *hw, + struct ieee80211_tx_rate *rate, + struct rate_info *ri, + u8 band, int len) +{ + struct ieee80211_rx_status stat; + + if (ieee80211_fill_rx_status(&stat, hw, rate, ri, band, len)) + return 0; + return ieee80211_calc_rx_airtime(hw, &stat, len); } @@ -536,7 +613,7 @@ u32 ieee80211_calc_tx_airtime(struct ieee80211_hw *hw, struct ieee80211_tx_rate *rate = &info->status.rates[i]; u32 cur_duration; - cur_duration = ieee80211_calc_tx_airtime_rate(hw, rate, + cur_duration = ieee80211_calc_tx_airtime_rate(hw, rate, NULL, info->band, len); if (!cur_duration) break; @@ -572,26 +649,47 @@ u32 ieee80211_calc_expected_tx_airtime(struct ieee80211_hw *hw, if (pubsta) { struct sta_info *sta = container_of(pubsta, struct sta_info, sta); + struct ieee80211_rx_status stat; struct ieee80211_tx_rate *rate = &sta->tx_stats.last_rate; - u32 airtime; + struct rate_info *ri = &sta->tx_stats.last_rate_info; + u32 duration, overhead; + u8 agg_shift; - if (!(rate->flags & (IEEE80211_TX_RC_VHT_MCS | - IEEE80211_TX_RC_MCS))) - ampdu = false; + if (ieee80211_fill_rx_status(&stat, hw, rate, ri, band, len)) + return 0; + if (stat.encoding == RX_ENC_LEGACY || !ampdu) + return ieee80211_calc_rx_airtime(hw, &stat, len); + + duration = ieee80211_get_rate_duration(hw, &stat, &overhead); /* * Assume that HT/VHT transmission on any AC except VO will * use aggregation. Since we don't have reliable reporting - * of aggregation length, assume an average of 16. + * of aggregation length, assume an average size based on the + * tx rate. * This will not be very accurate, but much better than simply - * assuming un-aggregated tx. + * assuming un-aggregated tx in all cases. */ - airtime = ieee80211_calc_tx_airtime_rate(hw, rate, band, - ampdu ? len * 16 : len); - if (ampdu) - airtime /= 16; - - return airtime; + if (duration > 400 * 1024) /* <= VHT20 MCS2 1S */ + agg_shift = 1; + else if (duration > 250 * 1024) /* <= VHT20 MCS3 1S or MCS1 2S */ + agg_shift = 2; + else if (duration > 150 * 1024) /* <= VHT20 MCS5 1S or MCS2 2S */ + agg_shift = 3; + else if (duration > 70 * 1024) /* <= VHT20 MCS5 2S */ + agg_shift = 4; + else if (stat.encoding != RX_ENC_HE || + duration > 20 * 1024) /* <= HE40 MCS6 2S */ + agg_shift = 5; + else + agg_shift = 6; + + duration *= len; + duration /= AVG_PKT_SIZE; + duration /= 1024; + duration += (overhead >> agg_shift); + + return max_t(u32, duration, 4); } if (!conf) diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index ac870309b91173..2e400b0ff69614 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -4861,6 +4861,7 @@ static int ieee80211_prep_channel(struct ieee80211_sub_if_data *sdata, struct ieee80211_supported_band *sband; struct cfg80211_chan_def chandef; bool is_6ghz = cbss->channel->band == NL80211_BAND_6GHZ; + bool is_5ghz = cbss->channel->band == NL80211_BAND_5GHZ; struct ieee80211_bss *bss = (void *)cbss->priv; int ret; u32 i; @@ -4879,7 +4880,7 @@ static int ieee80211_prep_channel(struct ieee80211_sub_if_data *sdata, ifmgd->flags |= IEEE80211_STA_DISABLE_HE; } - if (!sband->vht_cap.vht_supported && !is_6ghz) { + if (!sband->vht_cap.vht_supported && is_5ghz) { ifmgd->flags |= IEEE80211_STA_DISABLE_VHT; ifmgd->flags |= IEEE80211_STA_DISABLE_HE; } diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index 836cde516a18c0..a959ebf5685288 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -451,7 +451,8 @@ ieee80211_add_rx_radiotap_header(struct ieee80211_local *local, else if (status->bw == RATE_INFO_BW_5) channel_flags |= IEEE80211_CHAN_QUARTER; - if (status->band == NL80211_BAND_5GHZ) + if (status->band == NL80211_BAND_5GHZ || + status->band == NL80211_BAND_6GHZ) channel_flags |= IEEE80211_CHAN_OFDM | IEEE80211_CHAN_5GHZ; else if (status->encoding != RX_ENC_LEGACY) channel_flags |= IEEE80211_CHAN_DYN | IEEE80211_CHAN_2GHZ; diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h index 9d398c9daa4c64..d5010116cf4d13 100644 --- a/net/mac80211/sta_info.h +++ b/net/mac80211/sta_info.h @@ -524,7 +524,7 @@ struct ieee80211_sta_rx_stats { * @status_stats.retry_failed: # of frames that failed after retry * @status_stats.retry_count: # of retries attempted * @status_stats.lost_packets: # of lost packets - * @status_stats.last_tdls_pkt_time: timestamp of last TDLS packet + * @status_stats.last_pkt_time: timestamp of last ACKed packet * @status_stats.msdu_retries: # of MSDU retries * @status_stats.msdu_failed: # of failed MSDUs * @status_stats.last_ack: last ack timestamp (jiffies) @@ -597,7 +597,7 @@ struct sta_info { unsigned long filtered; unsigned long retry_failed, retry_count; unsigned int lost_packets; - unsigned long last_tdls_pkt_time; + unsigned long last_pkt_time; u64 msdu_retries[IEEE80211_NUM_TIDS + 1]; u64 msdu_failed[IEEE80211_NUM_TIDS + 1]; unsigned long last_ack; @@ -611,6 +611,7 @@ struct sta_info { u64 packets[IEEE80211_NUM_ACS]; u64 bytes[IEEE80211_NUM_ACS]; struct ieee80211_tx_rate last_rate; + struct rate_info last_rate_info; u64 msdu[IEEE80211_NUM_TIDS + 1]; } tx_stats; u16 tid_seq[IEEE80211_QOS_CTL_TID_MASK + 1]; diff --git a/net/mac80211/status.c b/net/mac80211/status.c index adb1d30ce06ef3..0794396a79884b 100644 --- a/net/mac80211/status.c +++ b/net/mac80211/status.c @@ -755,12 +755,16 @@ static void ieee80211_report_used_skb(struct ieee80211_local *local, * - current throughput (higher value for higher tpt)? */ #define STA_LOST_PKT_THRESHOLD 50 +#define STA_LOST_PKT_TIME HZ /* 1 sec since last ACK */ #define STA_LOST_TDLS_PKT_THRESHOLD 10 #define STA_LOST_TDLS_PKT_TIME (10*HZ) /* 10secs since last ACK */ static void ieee80211_lost_packet(struct sta_info *sta, struct ieee80211_tx_info *info) { + unsigned long pkt_time = STA_LOST_PKT_TIME; + unsigned int pkt_thr = STA_LOST_PKT_THRESHOLD; + /* If driver relies on its own algorithm for station kickout, skip * mac80211 packet loss mechanism. */ @@ -773,21 +777,20 @@ static void ieee80211_lost_packet(struct sta_info *sta, return; sta->status_stats.lost_packets++; - if (!sta->sta.tdls && - sta->status_stats.lost_packets < STA_LOST_PKT_THRESHOLD) - return; + if (sta->sta.tdls) { + pkt_time = STA_LOST_TDLS_PKT_TIME; + pkt_thr = STA_LOST_PKT_THRESHOLD; + } /* * If we're in TDLS mode, make sure that all STA_LOST_TDLS_PKT_THRESHOLD * of the last packets were lost, and that no ACK was received in the * last STA_LOST_TDLS_PKT_TIME ms, before triggering the CQM packet-loss * mechanism. + * For non-TDLS, use STA_LOST_PKT_THRESHOLD and STA_LOST_PKT_TIME */ - if (sta->sta.tdls && - (sta->status_stats.lost_packets < STA_LOST_TDLS_PKT_THRESHOLD || - time_before(jiffies, - sta->status_stats.last_tdls_pkt_time + - STA_LOST_TDLS_PKT_TIME))) + if (sta->status_stats.lost_packets < pkt_thr || + !time_after(jiffies, sta->status_stats.last_pkt_time + pkt_time)) return; cfg80211_cqm_pktloss_notify(sta->sdata->dev, sta->sta.addr, @@ -1033,9 +1036,7 @@ static void __ieee80211_tx_status(struct ieee80211_hw *hw, sta->status_stats.lost_packets = 0; /* Track when last TDLS packet was ACKed */ - if (test_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH)) - sta->status_stats.last_tdls_pkt_time = - jiffies; + sta->status_stats.last_pkt_time = jiffies; } else if (noack_success) { /* nothing to do here, do not account as lost */ } else { @@ -1137,9 +1138,17 @@ void ieee80211_tx_status_ext(struct ieee80211_hw *hw, struct ieee80211_tx_info *info = status->info; struct ieee80211_sta *pubsta = status->sta; struct ieee80211_supported_band *sband; + struct sta_info *sta; int retry_count; bool acked, noack_success; + if (pubsta) { + sta = container_of(pubsta, struct sta_info, sta); + + if (status->rate) + sta->tx_stats.last_rate_info = *status->rate; + } + if (status->skb) return __ieee80211_tx_status(hw, status); @@ -1154,10 +1163,6 @@ void ieee80211_tx_status_ext(struct ieee80211_hw *hw, noack_success = !!(info->flags & IEEE80211_TX_STAT_NOACK_TRANSMITTED); if (pubsta) { - struct sta_info *sta; - - sta = container_of(pubsta, struct sta_info, sta); - if (!acked && !noack_success) sta->status_stats.retry_failed++; sta->status_stats.retry_count += retry_count; @@ -1168,9 +1173,8 @@ void ieee80211_tx_status_ext(struct ieee80211_hw *hw, if (sta->status_stats.lost_packets) sta->status_stats.lost_packets = 0; - /* Track when last TDLS packet was ACKed */ - if (test_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH)) - sta->status_stats.last_tdls_pkt_time = jiffies; + /* Track when last packet was ACKed */ + sta->status_stats.last_pkt_time = jiffies; } else if (test_sta_flag(sta, WLAN_STA_PS_STA)) { return; } else if (noack_success) { @@ -1259,8 +1263,7 @@ void ieee80211_tx_status_8023(struct ieee80211_hw *hw, if (sta->status_stats.lost_packets) sta->status_stats.lost_packets = 0; - if (test_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH)) - sta->status_stats.last_tdls_pkt_time = jiffies; + sta->status_stats.last_pkt_time = jiffies; } else { ieee80211_lost_packet(sta, info); } diff --git a/net/mac80211/util.c b/net/mac80211/util.c index c8504ffc71a11a..8d3bfc0fe176cb 100644 --- a/net/mac80211/util.c +++ b/net/mac80211/util.c @@ -3353,9 +3353,10 @@ bool ieee80211_chandef_he_6ghz_oper(struct ieee80211_sub_if_data *sdata, he_chandef.center_freq1 = ieee80211_channel_to_frequency(he_6ghz_oper->ccfs0, NL80211_BAND_6GHZ); - he_chandef.center_freq2 = - ieee80211_channel_to_frequency(he_6ghz_oper->ccfs1, - NL80211_BAND_6GHZ); + if (support_80_80 || support_160) + he_chandef.center_freq2 = + ieee80211_channel_to_frequency(he_6ghz_oper->ccfs1, + NL80211_BAND_6GHZ); } if (!cfg80211_chandef_valid(&he_chandef)) { diff --git a/net/mac80211/vht.c b/net/mac80211/vht.c index 9c6045f9c24daf..d1b64d0751f2eb 100644 --- a/net/mac80211/vht.c +++ b/net/mac80211/vht.c @@ -168,10 +168,7 @@ ieee80211_vht_cap_ie_to_sta_vht_cap(struct ieee80211_sub_if_data *sdata, /* take some capabilities as-is */ cap_info = le32_to_cpu(vht_cap_ie->vht_cap_info); vht_cap->cap = cap_info; - vht_cap->cap &= IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895 | - IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 | - IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 | - IEEE80211_VHT_CAP_RXLDPC | + vht_cap->cap &= IEEE80211_VHT_CAP_RXLDPC | IEEE80211_VHT_CAP_VHT_TXOP_PS | IEEE80211_VHT_CAP_HTC_VHT | IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK | @@ -180,6 +177,9 @@ ieee80211_vht_cap_ie_to_sta_vht_cap(struct ieee80211_sub_if_data *sdata, IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN | IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN; + vht_cap->cap |= min_t(u32, cap_info & IEEE80211_VHT_CAP_MAX_MPDU_MASK, + own_cap.cap & IEEE80211_VHT_CAP_MAX_MPDU_MASK); + /* and some based on our own capabilities */ switch (own_cap.cap & IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK) { case IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ: diff --git a/net/mac802154/tx.c b/net/mac802154/tx.c index ab52811523e992..c829e4a7532564 100644 --- a/net/mac802154/tx.c +++ b/net/mac802154/tx.c @@ -34,11 +34,11 @@ void ieee802154_xmit_worker(struct work_struct *work) if (res) goto err_tx; - ieee802154_xmit_complete(&local->hw, skb, false); - dev->stats.tx_packets++; dev->stats.tx_bytes += skb->len; + ieee802154_xmit_complete(&local->hw, skb, false); + return; err_tx: @@ -78,6 +78,8 @@ ieee802154_tx(struct ieee802154_local *local, struct sk_buff *skb) /* async is priority, otherwise sync is fallback */ if (local->ops->xmit_async) { + unsigned int len = skb->len; + ret = drv_xmit_async(local, skb); if (ret) { ieee802154_wake_queue(&local->hw); @@ -85,7 +87,7 @@ ieee802154_tx(struct ieee802154_local *local, struct sk_buff *skb) } dev->stats.tx_packets++; - dev->stats.tx_bytes += skb->len; + dev->stats.tx_bytes += len; } else { local->tx_skb = skb; queue_work(local->workqueue, &local->tx_work); diff --git a/net/mpls/af_mpls.c b/net/mpls/af_mpls.c index 6fdd0c9f865a5d..f2868a8a50c302 100644 --- a/net/mpls/af_mpls.c +++ b/net/mpls/af_mpls.c @@ -1516,7 +1516,7 @@ static void mpls_ifdown(struct net_device *dev, int event) case NETDEV_DOWN: case NETDEV_UNREGISTER: nh_flags |= RTNH_F_DEAD; - /* fall through */ + fallthrough; case NETDEV_CHANGE: nh_flags |= RTNH_F_LINKDOWN; break; diff --git a/net/mptcp/options.c b/net/mptcp/options.c index 7fa822b55c340e..888bbbbb3e8a40 100644 --- a/net/mptcp/options.c +++ b/net/mptcp/options.c @@ -451,7 +451,10 @@ static bool mptcp_established_options_mp(struct sock *sk, struct sk_buff *skb, static void mptcp_write_data_fin(struct mptcp_subflow_context *subflow, struct sk_buff *skb, struct mptcp_ext *ext) { - u64 data_fin_tx_seq = READ_ONCE(mptcp_sk(subflow->conn)->write_seq); + /* The write_seq value has already been incremented, so the actual + * sequence number for the DATA_FIN is one less. + */ + u64 data_fin_tx_seq = READ_ONCE(mptcp_sk(subflow->conn)->write_seq) - 1; if (!ext->use_map || !skb->len) { /* RFC6824 requires a DSS mapping with specific values @@ -460,10 +463,7 @@ static void mptcp_write_data_fin(struct mptcp_subflow_context *subflow, ext->data_fin = 1; ext->use_map = 1; ext->dsn64 = 1; - /* The write_seq value has already been incremented, so - * the actual sequence number for the DATA_FIN is one less. - */ - ext->data_seq = data_fin_tx_seq - 1; + ext->data_seq = data_fin_tx_seq; ext->subflow_seq = 0; ext->data_len = 1; } else if (ext->data_seq + ext->data_len == data_fin_tx_seq) { @@ -518,11 +518,11 @@ static bool mptcp_established_options_dss(struct sock *sk, struct sk_buff *skb, if (subflow->use_64bit_ack) { ack_size = TCPOLEN_MPTCP_DSS_ACK64; - opts->ext_copy.data_ack = msk->ack_seq; + opts->ext_copy.data_ack = READ_ONCE(msk->ack_seq); opts->ext_copy.ack64 = 1; } else { ack_size = TCPOLEN_MPTCP_DSS_ACK32; - opts->ext_copy.data_ack32 = (uint32_t)(msk->ack_seq); + opts->ext_copy.data_ack32 = (uint32_t)READ_ONCE(msk->ack_seq); opts->ext_copy.ack64 = 0; } opts->ext_copy.use_ack = 1; @@ -782,7 +782,7 @@ static void update_una(struct mptcp_sock *msk, } } -bool mptcp_update_rcv_data_fin(struct mptcp_sock *msk, u64 data_fin_seq) +bool mptcp_update_rcv_data_fin(struct mptcp_sock *msk, u64 data_fin_seq, bool use_64bit) { /* Skip if DATA_FIN was already received. * If updating simultaneously with the recvmsg loop, values @@ -792,7 +792,8 @@ bool mptcp_update_rcv_data_fin(struct mptcp_sock *msk, u64 data_fin_seq) if (READ_ONCE(msk->rcv_data_fin) || !READ_ONCE(msk->first)) return false; - WRITE_ONCE(msk->rcv_data_fin_seq, data_fin_seq); + WRITE_ONCE(msk->rcv_data_fin_seq, + expand_ack(READ_ONCE(msk->ack_seq), data_fin_seq, use_64bit)); WRITE_ONCE(msk->rcv_data_fin, 1); return true; @@ -875,7 +876,7 @@ void mptcp_incoming_options(struct sock *sk, struct sk_buff *skb, */ if (TCP_SKB_CB(skb)->seq == TCP_SKB_CB(skb)->end_seq) { if (mp_opt.data_fin && mp_opt.data_len == 1 && - mptcp_update_rcv_data_fin(msk, mp_opt.data_seq) && + mptcp_update_rcv_data_fin(msk, mp_opt.data_seq, mp_opt.dsn64) && schedule_work(&msk->work)) sock_hold(subflow->conn); diff --git a/net/mptcp/pm_netlink.c b/net/mptcp/pm_netlink.c index c8820c4156e683..770da36278480e 100644 --- a/net/mptcp/pm_netlink.c +++ b/net/mptcp/pm_netlink.c @@ -66,6 +66,16 @@ static bool addresses_equal(const struct mptcp_addr_info *a, return a->port == b->port; } +static bool address_zero(const struct mptcp_addr_info *addr) +{ + struct mptcp_addr_info zero; + + memset(&zero, 0, sizeof(zero)); + zero.family = addr->family; + + return addresses_equal(addr, &zero, false); +} + static void local_address(const struct sock_common *skc, struct mptcp_addr_info *addr) { @@ -171,9 +181,9 @@ static void check_work_pending(struct mptcp_sock *msk) static void mptcp_pm_create_subflow_or_signal_addr(struct mptcp_sock *msk) { + struct mptcp_addr_info remote = { 0 }; struct sock *sk = (struct sock *)msk; struct mptcp_pm_addr_entry *local; - struct mptcp_addr_info remote; struct pm_nl_pernet *pernet; pernet = net_generic(sock_net((struct sock *)msk), pm_nl_pernet_id); @@ -323,10 +333,13 @@ int mptcp_pm_nl_get_local_id(struct mptcp_sock *msk, struct sock_common *skc) * addr */ local_address((struct sock_common *)msk, &msk_local); - local_address((struct sock_common *)msk, &skc_local); + local_address((struct sock_common *)skc, &skc_local); if (addresses_equal(&msk_local, &skc_local, false)) return 0; + if (address_zero(&skc_local)) + return 0; + pernet = net_generic(sock_net((struct sock *)msk), pm_nl_pernet_id); rcu_read_lock(); @@ -341,7 +354,7 @@ int mptcp_pm_nl_get_local_id(struct mptcp_sock *msk, struct sock_common *skc) return ret; /* address not found, add to local list */ - entry = kmalloc(sizeof(*entry), GFP_KERNEL); + entry = kmalloc(sizeof(*entry), GFP_ATOMIC); if (!entry) return -ENOMEM; diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c index 1aad411a0e4616..5d747c6a610e8e 100644 --- a/net/mptcp/protocol.c +++ b/net/mptcp/protocol.c @@ -123,7 +123,7 @@ static void __mptcp_move_skb(struct mptcp_sock *msk, struct sock *ssk, skb_ext_reset(skb); skb_orphan(skb); - msk->ack_seq += copy_len; + WRITE_ONCE(msk->ack_seq, msk->ack_seq + copy_len); tail = skb_peek_tail(&sk->sk_receive_queue); if (offset == 0 && tail) { @@ -193,7 +193,6 @@ static void mptcp_check_data_fin_ack(struct sock *sk) sk->sk_state_change(sk); break; case TCP_CLOSING: - fallthrough; case TCP_LAST_ACK: inet_sk_state_store(sk, TCP_CLOSE); sk->sk_state_change(sk); @@ -262,7 +261,7 @@ static void mptcp_check_data_fin(struct sock *sk) if (mptcp_pending_data_fin(sk, &rcv_data_fin_seq)) { struct mptcp_subflow_context *subflow; - msk->ack_seq++; + WRITE_ONCE(msk->ack_seq, msk->ack_seq + 1); WRITE_ONCE(msk->rcv_data_fin, 0); sk->sk_shutdown |= RCV_SHUTDOWN; @@ -892,7 +891,6 @@ restart: goto out; } -wait_for_sndbuf: __mptcp_flush_join_list(msk); ssk = mptcp_subflow_get_send(msk); while (!sk_stream_memory_free(sk) || @@ -982,7 +980,7 @@ wait_for_sndbuf: */ mptcp_set_timeout(sk, ssk); release_sock(ssk); - goto wait_for_sndbuf; + goto restart; } } } @@ -1541,7 +1539,7 @@ static void mptcp_subflow_shutdown(struct sock *sk, struct sock *ssk, int how) case TCP_LISTEN: if (!(how & RCV_SHUTDOWN)) break; - /* fall through */ + fallthrough; case TCP_SYN_SENT: tcp_disconnect(ssk, O_NONBLOCK); break; @@ -1722,7 +1720,7 @@ struct sock *mptcp_sk_clone(const struct sock *sk, msk->remote_key = mp_opt->sndr_key; mptcp_crypto_key_sha(msk->remote_key, NULL, &ack_seq); ack_seq++; - msk->ack_seq = ack_seq; + WRITE_ONCE(msk->ack_seq, ack_seq); } sock_reset_flag(nsk, SOCK_RCU_FREE); @@ -2074,7 +2072,7 @@ bool mptcp_finish_join(struct sock *sk) parent_sock = READ_ONCE(parent->sk_socket); if (parent_sock && !sk->sk_socket) mptcp_sock_graft(sk, parent_sock); - subflow->map_seq = msk->ack_seq; + subflow->map_seq = READ_ONCE(msk->ack_seq); return true; } diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h index 60b27d44c1846c..20f04ac85409e4 100644 --- a/net/mptcp/protocol.h +++ b/net/mptcp/protocol.h @@ -387,7 +387,7 @@ void mptcp_data_ready(struct sock *sk, struct sock *ssk); bool mptcp_finish_join(struct sock *sk); void mptcp_data_acked(struct sock *sk); void mptcp_subflow_eof(struct sock *sk); -bool mptcp_update_rcv_data_fin(struct mptcp_sock *msk, u64 data_fin_seq); +bool mptcp_update_rcv_data_fin(struct mptcp_sock *msk, u64 data_fin_seq, bool use_64bit); void __init mptcp_token_init(void); static inline void mptcp_token_init_request(struct request_sock *req) diff --git a/net/mptcp/subflow.c b/net/mptcp/subflow.c index e8cac2655c827b..6f035af1c9d256 100644 --- a/net/mptcp/subflow.c +++ b/net/mptcp/subflow.c @@ -731,7 +731,8 @@ static enum mapping_status get_mapping_status(struct sock *ssk, if (mpext->data_fin == 1) { if (data_len == 1) { - mptcp_update_rcv_data_fin(msk, mpext->data_seq); + bool updated = mptcp_update_rcv_data_fin(msk, mpext->data_seq, + mpext->dsn64); pr_debug("DATA_FIN with no payload seq=%llu", mpext->data_seq); if (subflow->map_valid) { /* A DATA_FIN might arrive in a DSS @@ -742,11 +743,23 @@ static enum mapping_status get_mapping_status(struct sock *ssk, skb_ext_del(skb, SKB_EXT_MPTCP); return MAPPING_OK; } else { + if (updated && schedule_work(&msk->work)) + sock_hold((struct sock *)msk); + return MAPPING_DATA_FIN; } } else { - mptcp_update_rcv_data_fin(msk, mpext->data_seq + data_len); - pr_debug("DATA_FIN with mapping seq=%llu", mpext->data_seq + data_len); + u64 data_fin_seq = mpext->data_seq + data_len - 1; + + /* If mpext->data_seq is a 32-bit value, data_fin_seq + * must also be limited to 32 bits. + */ + if (!mpext->dsn64) + data_fin_seq &= GENMASK_ULL(31, 0); + + mptcp_update_rcv_data_fin(msk, data_fin_seq, mpext->dsn64); + pr_debug("DATA_FIN with mapping seq=%llu dsn64=%d", + data_fin_seq, mpext->dsn64); } /* Adjust for DATA_FIN using 1 byte of sequence space */ @@ -1063,6 +1076,7 @@ int __mptcp_subflow_connect(struct sock *sk, int ifindex, struct mptcp_sock *msk = mptcp_sk(sk); struct mptcp_subflow_context *subflow; struct sockaddr_storage addr; + int remote_id = remote->id; int local_id = loc->id; struct socket *sf; struct sock *ssk; @@ -1107,10 +1121,11 @@ int __mptcp_subflow_connect(struct sock *sk, int ifindex, goto failed; mptcp_crypto_key_sha(subflow->remote_key, &remote_token, NULL); - pr_debug("msk=%p remote_token=%u local_id=%d", msk, remote_token, - local_id); + pr_debug("msk=%p remote_token=%u local_id=%d remote_id=%d", msk, + remote_token, local_id, remote_id); subflow->remote_token = remote_token; subflow->local_id = local_id; + subflow->remote_id = remote_id; subflow->request_join = 1; subflow->request_bkup = 1; mptcp_info2sockaddr(remote, &addr); @@ -1347,6 +1362,7 @@ static void subflow_ulp_clone(const struct request_sock *req, new_ctx->fully_established = 1; new_ctx->backup = subflow_req->backup; new_ctx->local_id = subflow_req->local_id; + new_ctx->remote_id = subflow_req->remote_id; new_ctx->token = subflow_req->token; new_ctx->thmac = subflow_req->thmac; } diff --git a/net/ncsi/ncsi-manage.c b/net/ncsi/ncsi-manage.c index 1f387be7827bed..f1be3e3f6425e2 100644 --- a/net/ncsi/ncsi-manage.c +++ b/net/ncsi/ncsi-manage.c @@ -474,7 +474,7 @@ static void ncsi_suspend_channel(struct ncsi_dev_priv *ndp) switch (nd->state) { case ncsi_dev_state_suspend: nd->state = ncsi_dev_state_suspend_select; - /* Fall through */ + fallthrough; case ncsi_dev_state_suspend_select: ndp->pending_req_num = 1; @@ -1302,7 +1302,7 @@ static void ncsi_probe_channel(struct ncsi_dev_priv *ndp) switch (nd->state) { case ncsi_dev_state_probe: nd->state = ncsi_dev_state_probe_deselect; - /* Fall through */ + fallthrough; case ncsi_dev_state_probe_deselect: ndp->pending_req_num = 8; diff --git a/net/netfilter/ipvs/ip_vs_proto_tcp.c b/net/netfilter/ipvs/ip_vs_proto_tcp.c index 32b028853a7cf5..dc2e7da2742abd 100644 --- a/net/netfilter/ipvs/ip_vs_proto_tcp.c +++ b/net/netfilter/ipvs/ip_vs_proto_tcp.c @@ -315,7 +315,7 @@ tcp_csum_check(int af, struct sk_buff *skb, struct ip_vs_protocol *pp) switch (skb->ip_summed) { case CHECKSUM_NONE: skb->csum = skb_checksum(skb, tcphoff, skb->len - tcphoff, 0); - /* fall through */ + fallthrough; case CHECKSUM_COMPLETE: #ifdef CONFIG_IP_VS_IPV6 if (af == AF_INET6) { diff --git a/net/netfilter/ipvs/ip_vs_proto_udp.c b/net/netfilter/ipvs/ip_vs_proto_udp.c index 153d89647c8747..68260d91c98870 100644 --- a/net/netfilter/ipvs/ip_vs_proto_udp.c +++ b/net/netfilter/ipvs/ip_vs_proto_udp.c @@ -318,7 +318,7 @@ udp_csum_check(int af, struct sk_buff *skb, struct ip_vs_protocol *pp) case CHECKSUM_NONE: skb->csum = skb_checksum(skb, udphoff, skb->len - udphoff, 0); - /* fall through */ + fallthrough; case CHECKSUM_COMPLETE: #ifdef CONFIG_IP_VS_IPV6 if (af == AF_INET6) { diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c index 832eabecfbddc4..c3a4214dc9588e 100644 --- a/net/netfilter/nf_conntrack_netlink.c +++ b/net/netfilter/nf_conntrack_netlink.c @@ -851,7 +851,6 @@ static int ctnetlink_done(struct netlink_callback *cb) } struct ctnetlink_filter { - u_int32_t cta_flags; u8 family; u_int32_t orig_flags; @@ -906,10 +905,6 @@ static int ctnetlink_parse_tuple_filter(const struct nlattr * const cda[], struct nf_conntrack_zone *zone, u_int32_t flags); -/* applied on filters */ -#define CTA_FILTER_F_CTA_MARK (1 << 0) -#define CTA_FILTER_F_CTA_MARK_MASK (1 << 1) - static struct ctnetlink_filter * ctnetlink_alloc_filter(const struct nlattr * const cda[], u8 family) { @@ -930,14 +925,10 @@ ctnetlink_alloc_filter(const struct nlattr * const cda[], u8 family) #ifdef CONFIG_NF_CONNTRACK_MARK if (cda[CTA_MARK]) { filter->mark.val = ntohl(nla_get_be32(cda[CTA_MARK])); - filter->cta_flags |= CTA_FILTER_FLAG(CTA_MARK); - - if (cda[CTA_MARK_MASK]) { + if (cda[CTA_MARK_MASK]) filter->mark.mask = ntohl(nla_get_be32(cda[CTA_MARK_MASK])); - filter->cta_flags |= CTA_FILTER_FLAG(CTA_MARK_MASK); - } else { + else filter->mark.mask = 0xffffffff; - } } else if (cda[CTA_MARK_MASK]) { err = -EINVAL; goto err_filter; @@ -1117,11 +1108,7 @@ static int ctnetlink_filter_match(struct nf_conn *ct, void *data) } #ifdef CONFIG_NF_CONNTRACK_MARK - if ((filter->cta_flags & CTA_FILTER_FLAG(CTA_MARK_MASK)) && - (ct->mark & filter->mark.mask) != filter->mark.val) - goto ignore_entry; - else if ((filter->cta_flags & CTA_FILTER_FLAG(CTA_MARK)) && - ct->mark != filter->mark.val) + if ((ct->mark & filter->mark.mask) != filter->mark.val) goto ignore_entry; #endif @@ -1404,7 +1391,8 @@ ctnetlink_parse_tuple_filter(const struct nlattr * const cda[], if (err < 0) return err; - + if (l3num != NFPROTO_IPV4 && l3num != NFPROTO_IPV6) + return -EOPNOTSUPP; tuple->src.l3num = l3num; if (flags & CTA_FILTER_FLAG(CTA_IP_DST) || diff --git a/net/netfilter/nf_conntrack_pptp.c b/net/netfilter/nf_conntrack_pptp.c index 1f44d523b5121c..5105d4250012ce 100644 --- a/net/netfilter/nf_conntrack_pptp.c +++ b/net/netfilter/nf_conntrack_pptp.c @@ -1,7 +1,7 @@ // SPDX-License-Identifier: GPL-2.0-only /* * Connection tracking support for PPTP (Point to Point Tunneling Protocol). - * PPTP is a a protocol for creating virtual private networks. + * PPTP is a protocol for creating virtual private networks. * It is a specification defined by Microsoft and some vendors * working with Microsoft. PPTP is built on top of a modified * version of the Internet Generic Routing Encapsulation Protocol. diff --git a/net/netfilter/nf_conntrack_proto.c b/net/netfilter/nf_conntrack_proto.c index 95f79980348c83..47e9319d2cf315 100644 --- a/net/netfilter/nf_conntrack_proto.c +++ b/net/netfilter/nf_conntrack_proto.c @@ -565,6 +565,7 @@ static int nf_ct_netns_inet_get(struct net *net) int err; err = nf_ct_netns_do_get(net, NFPROTO_IPV4); +#if IS_ENABLED(CONFIG_IPV6) if (err < 0) goto err1; err = nf_ct_netns_do_get(net, NFPROTO_IPV6); @@ -575,6 +576,7 @@ static int nf_ct_netns_inet_get(struct net *net) err2: nf_ct_netns_put(net, NFPROTO_IPV4); err1: +#endif return err; } diff --git a/net/netfilter/nf_conntrack_proto_sctp.c b/net/netfilter/nf_conntrack_proto_sctp.c index 4f897b14b6069d..810cca24b39901 100644 --- a/net/netfilter/nf_conntrack_proto_sctp.c +++ b/net/netfilter/nf_conntrack_proto_sctp.c @@ -62,6 +62,8 @@ static const unsigned int sctp_timeouts[SCTP_CONNTRACK_MAX] = { [SCTP_CONNTRACK_HEARTBEAT_ACKED] = 210 SECS, }; +#define SCTP_FLAG_HEARTBEAT_VTAG_FAILED 1 + #define sNO SCTP_CONNTRACK_NONE #define sCL SCTP_CONNTRACK_CLOSED #define sCW SCTP_CONNTRACK_COOKIE_WAIT @@ -369,6 +371,7 @@ int nf_conntrack_sctp_packet(struct nf_conn *ct, u_int32_t offset, count; unsigned int *timeouts; unsigned long map[256 / sizeof(unsigned long)] = { 0 }; + bool ignore = false; if (sctp_error(skb, dataoff, state)) return -NF_ACCEPT; @@ -427,15 +430,39 @@ int nf_conntrack_sctp_packet(struct nf_conn *ct, /* Sec 8.5.1 (D) */ if (sh->vtag != ct->proto.sctp.vtag[dir]) goto out_unlock; - } else if (sch->type == SCTP_CID_HEARTBEAT || - sch->type == SCTP_CID_HEARTBEAT_ACK) { + } else if (sch->type == SCTP_CID_HEARTBEAT) { + if (ct->proto.sctp.vtag[dir] == 0) { + pr_debug("Setting %d vtag %x for dir %d\n", sch->type, sh->vtag, dir); + ct->proto.sctp.vtag[dir] = sh->vtag; + } else if (sh->vtag != ct->proto.sctp.vtag[dir]) { + if (test_bit(SCTP_CID_DATA, map) || ignore) + goto out_unlock; + + ct->proto.sctp.flags |= SCTP_FLAG_HEARTBEAT_VTAG_FAILED; + ct->proto.sctp.last_dir = dir; + ignore = true; + continue; + } else if (ct->proto.sctp.flags & SCTP_FLAG_HEARTBEAT_VTAG_FAILED) { + ct->proto.sctp.flags &= ~SCTP_FLAG_HEARTBEAT_VTAG_FAILED; + } + } else if (sch->type == SCTP_CID_HEARTBEAT_ACK) { if (ct->proto.sctp.vtag[dir] == 0) { pr_debug("Setting vtag %x for dir %d\n", sh->vtag, dir); ct->proto.sctp.vtag[dir] = sh->vtag; } else if (sh->vtag != ct->proto.sctp.vtag[dir]) { - pr_debug("Verification tag check failed\n"); - goto out_unlock; + if (test_bit(SCTP_CID_DATA, map) || ignore) + goto out_unlock; + + if ((ct->proto.sctp.flags & SCTP_FLAG_HEARTBEAT_VTAG_FAILED) == 0 || + ct->proto.sctp.last_dir == dir) + goto out_unlock; + + ct->proto.sctp.flags &= ~SCTP_FLAG_HEARTBEAT_VTAG_FAILED; + ct->proto.sctp.vtag[dir] = sh->vtag; + ct->proto.sctp.vtag[!dir] = 0; + } else if (ct->proto.sctp.flags & SCTP_FLAG_HEARTBEAT_VTAG_FAILED) { + ct->proto.sctp.flags &= ~SCTP_FLAG_HEARTBEAT_VTAG_FAILED; } } @@ -470,6 +497,10 @@ int nf_conntrack_sctp_packet(struct nf_conn *ct, } spin_unlock_bh(&ct->lock); + /* allow but do not refresh timeout */ + if (ignore) + return NF_ACCEPT; + timeouts = nf_ct_timeout_lookup(ct); if (!timeouts) timeouts = nf_sctp_pernet(nf_ct_net(ct))->timeouts; diff --git a/net/netfilter/nf_conntrack_proto_tcp.c b/net/netfilter/nf_conntrack_proto_tcp.c index 6892e497781c12..e8c86ee4c1c482 100644 --- a/net/netfilter/nf_conntrack_proto_tcp.c +++ b/net/netfilter/nf_conntrack_proto_tcp.c @@ -1152,7 +1152,7 @@ int nf_conntrack_tcp_packet(struct nf_conn *ct, && (old_state == TCP_CONNTRACK_SYN_RECV || old_state == TCP_CONNTRACK_ESTABLISHED) && new_state == TCP_CONNTRACK_ESTABLISHED) { - /* Set ASSURED if we see see valid ack in ESTABLISHED + /* Set ASSURED if we see valid ack in ESTABLISHED after SYN_RECV or a valid answer for a picked up connection. */ set_bit(IPS_ASSURED_BIT, &ct->status); diff --git a/net/netfilter/nf_conntrack_proto_udp.c b/net/netfilter/nf_conntrack_proto_udp.c index 760ca242281655..af402f458ee020 100644 --- a/net/netfilter/nf_conntrack_proto_udp.c +++ b/net/netfilter/nf_conntrack_proto_udp.c @@ -81,18 +81,6 @@ static bool udp_error(struct sk_buff *skb, return false; } -static void nf_conntrack_udp_refresh_unreplied(struct nf_conn *ct, - struct sk_buff *skb, - enum ip_conntrack_info ctinfo, - u32 extra_jiffies) -{ - if (unlikely(ctinfo == IP_CT_ESTABLISHED_REPLY && - ct->status & IPS_NAT_CLASH)) - nf_ct_kill(ct); - else - nf_ct_refresh_acct(ct, ctinfo, skb, extra_jiffies); -} - /* Returns verdict for packet, and may modify conntracktype */ int nf_conntrack_udp_packet(struct nf_conn *ct, struct sk_buff *skb, @@ -124,12 +112,15 @@ int nf_conntrack_udp_packet(struct nf_conn *ct, nf_ct_refresh_acct(ct, ctinfo, skb, extra); + /* never set ASSURED for IPS_NAT_CLASH, they time out soon */ + if (unlikely((ct->status & IPS_NAT_CLASH))) + return NF_ACCEPT; + /* Also, more likely to be important, and not a probe */ if (!test_and_set_bit(IPS_ASSURED_BIT, &ct->status)) nf_conntrack_event_cache(IPCT_ASSURED, ct); } else { - nf_conntrack_udp_refresh_unreplied(ct, skb, ctinfo, - timeouts[UDP_CT_UNREPLIED]); + nf_ct_refresh_acct(ct, ctinfo, skb, timeouts[UDP_CT_UNREPLIED]); } return NF_ACCEPT; } @@ -206,12 +197,15 @@ int nf_conntrack_udplite_packet(struct nf_conn *ct, if (test_bit(IPS_SEEN_REPLY_BIT, &ct->status)) { nf_ct_refresh_acct(ct, ctinfo, skb, timeouts[UDP_CT_REPLIED]); + + if (unlikely((ct->status & IPS_NAT_CLASH))) + return NF_ACCEPT; + /* Also, more likely to be important, and not a probe */ if (!test_and_set_bit(IPS_ASSURED_BIT, &ct->status)) nf_conntrack_event_cache(IPCT_ASSURED, ct); } else { - nf_conntrack_udp_refresh_unreplied(ct, skb, ctinfo, - timeouts[UDP_CT_UNREPLIED]); + nf_ct_refresh_acct(ct, ctinfo, skb, timeouts[UDP_CT_UNREPLIED]); } return NF_ACCEPT; } diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c index fd814e514f942d..4603b667973a53 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -684,6 +684,18 @@ nla_put_failure: return -1; } +struct nftnl_skb_parms { + bool report; +}; +#define NFT_CB(skb) (*(struct nftnl_skb_parms*)&((skb)->cb)) + +static void nft_notify_enqueue(struct sk_buff *skb, bool report, + struct list_head *notify_list) +{ + NFT_CB(skb).report = report; + list_add_tail(&skb->list, notify_list); +} + static void nf_tables_table_notify(const struct nft_ctx *ctx, int event) { struct sk_buff *skb; @@ -715,8 +727,7 @@ static void nf_tables_table_notify(const struct nft_ctx *ctx, int event) goto err; } - nfnetlink_send(skb, ctx->net, ctx->portid, NFNLGRP_NFTABLES, - ctx->report, GFP_KERNEL); + nft_notify_enqueue(skb, ctx->report, &ctx->net->nft.notify_list); return; err: nfnetlink_set_err(ctx->net, ctx->portid, NFNLGRP_NFTABLES, -ENOBUFS); @@ -815,11 +826,11 @@ static int nf_tables_gettable(struct net *net, struct sock *nlsk, nlh->nlmsg_seq, NFT_MSG_NEWTABLE, 0, family, table); if (err < 0) - goto err; + goto err_fill_table_info; - return nlmsg_unicast(nlsk, skb2, NETLINK_CB(skb).portid); + return nfnetlink_unicast(skb2, net, NETLINK_CB(skb).portid); -err: +err_fill_table_info: kfree_skb(skb2); return err; } @@ -1468,8 +1479,7 @@ static void nf_tables_chain_notify(const struct nft_ctx *ctx, int event) goto err; } - nfnetlink_send(skb, ctx->net, ctx->portid, NFNLGRP_NFTABLES, - ctx->report, GFP_KERNEL); + nft_notify_enqueue(skb, ctx->report, &ctx->net->nft.notify_list); return; err: nfnetlink_set_err(ctx->net, ctx->portid, NFNLGRP_NFTABLES, -ENOBUFS); @@ -1563,11 +1573,11 @@ static int nf_tables_getchain(struct net *net, struct sock *nlsk, nlh->nlmsg_seq, NFT_MSG_NEWCHAIN, 0, family, table, chain); if (err < 0) - goto err; + goto err_fill_chain_info; - return nlmsg_unicast(nlsk, skb2, NETLINK_CB(skb).portid); + return nfnetlink_unicast(skb2, net, NETLINK_CB(skb).portid); -err: +err_fill_chain_info: kfree_skb(skb2); return err; } @@ -2807,8 +2817,7 @@ static void nf_tables_rule_notify(const struct nft_ctx *ctx, goto err; } - nfnetlink_send(skb, ctx->net, ctx->portid, NFNLGRP_NFTABLES, - ctx->report, GFP_KERNEL); + nft_notify_enqueue(skb, ctx->report, &ctx->net->nft.notify_list); return; err: nfnetlink_set_err(ctx->net, ctx->portid, NFNLGRP_NFTABLES, -ENOBUFS); @@ -3008,11 +3017,11 @@ static int nf_tables_getrule(struct net *net, struct sock *nlsk, nlh->nlmsg_seq, NFT_MSG_NEWRULE, 0, family, table, chain, rule, NULL); if (err < 0) - goto err; + goto err_fill_rule_info; - return nlmsg_unicast(nlsk, skb2, NETLINK_CB(skb).portid); + return nfnetlink_unicast(skb2, net, NETLINK_CB(skb).portid); -err: +err_fill_rule_info: kfree_skb(skb2); return err; } @@ -3770,7 +3779,8 @@ static int nf_tables_fill_set(struct sk_buff *skb, const struct nft_ctx *ctx, goto nla_put_failure; } - if (nla_put(skb, NFTA_SET_USERDATA, set->udlen, set->udata)) + if (set->udata && + nla_put(skb, NFTA_SET_USERDATA, set->udlen, set->udata)) goto nla_put_failure; nest = nla_nest_start_noflag(skb, NFTA_SET_DESC); @@ -3836,8 +3846,7 @@ static void nf_tables_set_notify(const struct nft_ctx *ctx, goto err; } - nfnetlink_send(skb, ctx->net, portid, NFNLGRP_NFTABLES, ctx->report, - gfp_flags); + nft_notify_enqueue(skb, ctx->report, &ctx->net->nft.notify_list); return; err: nfnetlink_set_err(ctx->net, portid, NFNLGRP_NFTABLES, -ENOBUFS); @@ -3967,11 +3976,11 @@ static int nf_tables_getset(struct net *net, struct sock *nlsk, err = nf_tables_fill_set(skb2, &ctx, set, NFT_MSG_NEWSET, 0); if (err < 0) - goto err; + goto err_fill_set_info; - return nlmsg_unicast(nlsk, skb2, NETLINK_CB(skb).portid); + return nfnetlink_unicast(skb2, net, NETLINK_CB(skb).portid); -err: +err_fill_set_info: kfree_skb(skb2); return err; } @@ -4859,24 +4868,18 @@ static int nft_get_set_elem(struct nft_ctx *ctx, struct nft_set *set, err = -ENOMEM; skb = nlmsg_new(NLMSG_GOODSIZE, GFP_ATOMIC); if (skb == NULL) - goto err1; + return err; err = nf_tables_fill_setelem_info(skb, ctx, ctx->seq, ctx->portid, NFT_MSG_NEWSETELEM, 0, set, &elem); if (err < 0) - goto err2; + goto err_fill_setelem; - err = nfnetlink_unicast(skb, ctx->net, ctx->portid, MSG_DONTWAIT); - /* This avoids a loop in nfnetlink. */ - if (err < 0) - goto err1; + return nfnetlink_unicast(skb, ctx->net, ctx->portid); - return 0; -err2: +err_fill_setelem: kfree_skb(skb); -err1: - /* this avoids a loop in nfnetlink. */ - return err == -EAGAIN ? -ENOBUFS : err; + return err; } /* called with rcu_read_lock held */ @@ -4964,8 +4967,7 @@ static void nf_tables_setelem_notify(const struct nft_ctx *ctx, goto err; } - nfnetlink_send(skb, net, portid, NFNLGRP_NFTABLES, ctx->report, - GFP_KERNEL); + nft_notify_enqueue(skb, ctx->report, &ctx->net->nft.notify_list); return; err: nfnetlink_set_err(net, portid, NFNLGRP_NFTABLES, -ENOBUFS); @@ -6181,10 +6183,11 @@ static int nf_tables_getobj(struct net *net, struct sock *nlsk, nlh->nlmsg_seq, NFT_MSG_NEWOBJ, 0, family, table, obj, reset); if (err < 0) - goto err; + goto err_fill_obj_info; - return nlmsg_unicast(nlsk, skb2, NETLINK_CB(skb).portid); -err: + return nfnetlink_unicast(skb2, net, NETLINK_CB(skb).portid); + +err_fill_obj_info: kfree_skb(skb2); return err; } @@ -6279,7 +6282,7 @@ void nft_obj_notify(struct net *net, const struct nft_table *table, goto err; } - nfnetlink_send(skb, net, portid, NFNLGRP_NFTABLES, report, gfp); + nft_notify_enqueue(skb, report, &net->nft.notify_list); return; err: nfnetlink_set_err(net, portid, NFNLGRP_NFTABLES, -ENOBUFS); @@ -7044,10 +7047,11 @@ static int nf_tables_getflowtable(struct net *net, struct sock *nlsk, NFT_MSG_NEWFLOWTABLE, 0, family, flowtable, &flowtable->hook_list); if (err < 0) - goto err; + goto err_fill_flowtable_info; - return nlmsg_unicast(nlsk, skb2, NETLINK_CB(skb).portid); -err: + return nfnetlink_unicast(skb2, net, NETLINK_CB(skb).portid); + +err_fill_flowtable_info: kfree_skb(skb2); return err; } @@ -7088,8 +7092,7 @@ static void nf_tables_flowtable_notify(struct nft_ctx *ctx, goto err; } - nfnetlink_send(skb, ctx->net, ctx->portid, NFNLGRP_NFTABLES, - ctx->report, GFP_KERNEL); + nft_notify_enqueue(skb, ctx->report, &ctx->net->nft.notify_list); return; err: nfnetlink_set_err(ctx->net, ctx->portid, NFNLGRP_NFTABLES, -ENOBUFS); @@ -7233,10 +7236,11 @@ static int nf_tables_getgen(struct net *net, struct sock *nlsk, err = nf_tables_fill_gen_info(skb2, net, NETLINK_CB(skb).portid, nlh->nlmsg_seq); if (err < 0) - goto err; + goto err_fill_gen_info; - return nlmsg_unicast(nlsk, skb2, NETLINK_CB(skb).portid); -err: + return nfnetlink_unicast(skb2, net, NETLINK_CB(skb).portid); + +err_fill_gen_info: kfree_skb(skb2); return err; } @@ -7697,6 +7701,41 @@ static void nf_tables_commit_release(struct net *net) mutex_unlock(&net->nft.commit_mutex); } +static void nft_commit_notify(struct net *net, u32 portid) +{ + struct sk_buff *batch_skb = NULL, *nskb, *skb; + unsigned char *data; + int len; + + list_for_each_entry_safe(skb, nskb, &net->nft.notify_list, list) { + if (!batch_skb) { +new_batch: + batch_skb = skb; + len = NLMSG_GOODSIZE - skb->len; + list_del(&skb->list); + continue; + } + len -= skb->len; + if (len > 0 && NFT_CB(skb).report == NFT_CB(batch_skb).report) { + data = skb_put(batch_skb, skb->len); + memcpy(data, skb->data, skb->len); + list_del(&skb->list); + kfree_skb(skb); + continue; + } + nfnetlink_send(batch_skb, net, portid, NFNLGRP_NFTABLES, + NFT_CB(batch_skb).report, GFP_KERNEL); + goto new_batch; + } + + if (batch_skb) { + nfnetlink_send(batch_skb, net, portid, NFNLGRP_NFTABLES, + NFT_CB(batch_skb).report, GFP_KERNEL); + } + + WARN_ON_ONCE(!list_empty(&net->nft.notify_list)); +} + static int nf_tables_commit(struct net *net, struct sk_buff *skb) { struct nft_trans *trans, *next; @@ -7899,6 +7938,7 @@ static int nf_tables_commit(struct net *net, struct sk_buff *skb) } } + nft_commit_notify(net, NETLINK_CB(skb).portid); nf_tables_gen_notify(net, skb, NFT_MSG_NEWGEN); nf_tables_commit_release(net); @@ -8723,6 +8763,7 @@ static int __net_init nf_tables_init_net(struct net *net) INIT_LIST_HEAD(&net->nft.tables); INIT_LIST_HEAD(&net->nft.commit_list); INIT_LIST_HEAD(&net->nft.module_list); + INIT_LIST_HEAD(&net->nft.notify_list); mutex_init(&net->nft.commit_mutex); net->nft.base_seq = 1; net->nft.validate_state = NFT_VALIDATE_SKIP; @@ -8739,6 +8780,7 @@ static void __net_exit nf_tables_exit_net(struct net *net) mutex_unlock(&net->nft.commit_mutex); WARN_ON_ONCE(!list_empty(&net->nft.tables)); WARN_ON_ONCE(!list_empty(&net->nft.module_list)); + WARN_ON_ONCE(!list_empty(&net->nft.notify_list)); } static struct pernet_operations nf_tables_net_ops = { diff --git a/net/netfilter/nfnetlink.c b/net/netfilter/nfnetlink.c index 5f24edf958309f..3a2e64e13b227b 100644 --- a/net/netfilter/nfnetlink.c +++ b/net/netfilter/nfnetlink.c @@ -149,10 +149,15 @@ int nfnetlink_set_err(struct net *net, u32 portid, u32 group, int error) } EXPORT_SYMBOL_GPL(nfnetlink_set_err); -int nfnetlink_unicast(struct sk_buff *skb, struct net *net, u32 portid, - int flags) +int nfnetlink_unicast(struct sk_buff *skb, struct net *net, u32 portid) { - return netlink_unicast(net->nfnl, skb, portid, flags); + int err; + + err = nlmsg_unicast(net->nfnl, skb, portid); + if (err == -EAGAIN) + err = -ENOBUFS; + + return err; } EXPORT_SYMBOL_GPL(nfnetlink_unicast); diff --git a/net/netfilter/nfnetlink_log.c b/net/netfilter/nfnetlink_log.c index f029924198503c..b35e8d9a5b37ec 100644 --- a/net/netfilter/nfnetlink_log.c +++ b/net/netfilter/nfnetlink_log.c @@ -356,8 +356,7 @@ __nfulnl_send(struct nfulnl_instance *inst) goto out; } } - nfnetlink_unicast(inst->skb, inst->net, inst->peer_portid, - MSG_DONTWAIT); + nfnetlink_unicast(inst->skb, inst->net, inst->peer_portid); out: inst->qlen = 0; inst->skb = NULL; diff --git a/net/netfilter/nfnetlink_queue.c b/net/netfilter/nfnetlink_queue.c index dadfc06245a36f..d1d8bca03b4f0b 100644 --- a/net/netfilter/nfnetlink_queue.c +++ b/net/netfilter/nfnetlink_queue.c @@ -681,7 +681,7 @@ __nfqnl_enqueue_packet(struct net *net, struct nfqnl_instance *queue, *packet_id_ptr = htonl(entry->id); /* nfnetlink_unicast will either free the nskb or add it to a socket */ - err = nfnetlink_unicast(nskb, net, queue->peer_portid, MSG_DONTWAIT); + err = nfnetlink_unicast(nskb, net, queue->peer_portid); if (err < 0) { if (queue->flags & NFQA_CFG_F_FAIL_OPEN) { failopen = 1; diff --git a/net/netfilter/nft_flow_offload.c b/net/netfilter/nft_flow_offload.c index 3b9b97aa4b32e3..3a6c84fb2c90dc 100644 --- a/net/netfilter/nft_flow_offload.c +++ b/net/netfilter/nft_flow_offload.c @@ -102,7 +102,7 @@ static void nft_flow_offload_eval(const struct nft_expr *expr, } if (nf_ct_ext_exist(ct, NF_CT_EXT_HELPER) || - ct->status & IPS_SEQ_ADJUST) + ct->status & (IPS_SEQ_ADJUST | IPS_NAT_CLASH)) goto out; if (!nf_ct_is_confirmed(ct)) diff --git a/net/netfilter/nft_meta.c b/net/netfilter/nft_meta.c index 7bc6537f3ccb58..b37bd02448d8c7 100644 --- a/net/netfilter/nft_meta.c +++ b/net/netfilter/nft_meta.c @@ -147,11 +147,11 @@ nft_meta_get_eval_skugid(enum nft_meta_keys key, switch (key) { case NFT_META_SKUID: - *dest = from_kuid_munged(&init_user_ns, + *dest = from_kuid_munged(sock_net(sk)->user_ns, sock->file->f_cred->fsuid); break; case NFT_META_SKGID: - *dest = from_kgid_munged(&init_user_ns, + *dest = from_kgid_munged(sock_net(sk)->user_ns, sock->file->f_cred->fsgid); break; default: diff --git a/net/netfilter/nft_payload.c b/net/netfilter/nft_payload.c index ed7cb9f747f60f..7a2e5963849913 100644 --- a/net/netfilter/nft_payload.c +++ b/net/netfilter/nft_payload.c @@ -87,7 +87,9 @@ void nft_payload_eval(const struct nft_expr *expr, u32 *dest = ®s->data[priv->dreg]; int offset; - dest[priv->len / NFT_REG32_SIZE] = 0; + if (priv->len % NFT_REG32_SIZE) + dest[priv->len / NFT_REG32_SIZE] = 0; + switch (priv->base) { case NFT_PAYLOAD_LL_HEADER: if (!skb_mac_header_was_set(skb)) diff --git a/net/netfilter/nft_set_rbtree.c b/net/netfilter/nft_set_rbtree.c index 4b2834fd17b26e..217ab3644c25b1 100644 --- a/net/netfilter/nft_set_rbtree.c +++ b/net/netfilter/nft_set_rbtree.c @@ -218,11 +218,11 @@ static int __nft_rbtree_insert(const struct net *net, const struct nft_set *set, struct nft_rbtree_elem *new, struct nft_set_ext **ext) { + bool overlap = false, dup_end_left = false, dup_end_right = false; struct nft_rbtree *priv = nft_set_priv(set); u8 genmask = nft_genmask_next(net); struct nft_rbtree_elem *rbe; struct rb_node *parent, **p; - bool overlap = false; int d; /* Detect overlaps as we descend the tree. Set the flag in these cases: @@ -238,24 +238,44 @@ static int __nft_rbtree_insert(const struct net *net, const struct nft_set *set, * * b1. _ _ __>| !_ _ __| (insert end before existing start) * b2. _ _ ___| !_ _ _>| (insert end after existing start) - * b3. _ _ ___! >|_ _ __| (insert start after existing end) + * b3. _ _ ___! >|_ _ __| (insert start after existing end, as a leaf) + * '--' no nodes falling in this range + * b4. >|_ _ ! (insert start before existing start) * * Case a3. resolves to b3.: * - if the inserted start element is the leftmost, because the '0' * element in the tree serves as end element - * - otherwise, if an existing end is found. Note that end elements are - * always inserted after corresponding start elements. + * - otherwise, if an existing end is found immediately to the left. If + * there are existing nodes in between, we need to further descend the + * tree before we can conclude the new start isn't causing an overlap + * + * or to b4., which, preceded by a3., means we already traversed one or + * more existing intervals entirely, from the right. * * For a new, rightmost pair of elements, we'll hit cases b3. and b2., * in that order. * * The flag is also cleared in two special cases: * - * b4. |__ _ _!|<_ _ _ (insert start right before existing end) - * b5. |__ _ >|!__ _ _ (insert end right after existing start) + * b5. |__ _ _!|<_ _ _ (insert start right before existing end) + * b6. |__ _ >|!__ _ _ (insert end right after existing start) * * which always happen as last step and imply that no further * overlapping is possible. + * + * Another special case comes from the fact that start elements matching + * an already existing start element are allowed: insertion is not + * performed but we return -EEXIST in that case, and the error will be + * cleared by the caller if NLM_F_EXCL is not present in the request. + * This way, request for insertion of an exact overlap isn't reported as + * error to userspace if not desired. + * + * However, if the existing start matches a pre-existing start, but the + * end element doesn't match the corresponding pre-existing end element, + * we need to report a partial overlap. This is a local condition that + * can be noticed without need for a tracking flag, by checking for a + * local duplicated end for a corresponding start, from left and right, + * separately. */ parent = NULL; @@ -272,26 +292,41 @@ static int __nft_rbtree_insert(const struct net *net, const struct nft_set *set, if (nft_rbtree_interval_start(new)) { if (nft_rbtree_interval_end(rbe) && nft_set_elem_active(&rbe->ext, genmask) && - !nft_set_elem_expired(&rbe->ext)) + !nft_set_elem_expired(&rbe->ext) && !*p) overlap = false; } else { + if (dup_end_left && !*p) + return -ENOTEMPTY; + overlap = nft_rbtree_interval_end(rbe) && nft_set_elem_active(&rbe->ext, genmask) && !nft_set_elem_expired(&rbe->ext); + + if (overlap) { + dup_end_right = true; + continue; + } } } else if (d > 0) { p = &parent->rb_right; if (nft_rbtree_interval_end(new)) { + if (dup_end_right && !*p) + return -ENOTEMPTY; + overlap = nft_rbtree_interval_end(rbe) && nft_set_elem_active(&rbe->ext, genmask) && !nft_set_elem_expired(&rbe->ext); - } else if (nft_rbtree_interval_end(rbe) && - nft_set_elem_active(&rbe->ext, genmask) && + + if (overlap) { + dup_end_left = true; + continue; + } + } else if (nft_set_elem_active(&rbe->ext, genmask) && !nft_set_elem_expired(&rbe->ext)) { - overlap = true; + overlap = nft_rbtree_interval_end(rbe); } } else { if (nft_rbtree_interval_end(rbe) && @@ -316,6 +351,8 @@ static int __nft_rbtree_insert(const struct net *net, const struct nft_set *set, p = &parent->rb_left; } } + + dup_end_left = dup_end_right = false; } if (overlap) diff --git a/net/netfilter/xt_recent.c b/net/netfilter/xt_recent.c index 19bef176145eb9..606411869698e0 100644 --- a/net/netfilter/xt_recent.c +++ b/net/netfilter/xt_recent.c @@ -640,7 +640,7 @@ static void __net_exit recent_proc_net_exit(struct net *net) struct recent_table *t; /* recent_net_exit() is called before recent_mt_destroy(). Make sure - * that the parent xt_recent proc entry is is empty before trying to + * that the parent xt_recent proc entry is empty before trying to * remove it. */ spin_lock_bh(&recent_lock); diff --git a/net/netlabel/netlabel_domainhash.c b/net/netlabel/netlabel_domainhash.c index d07de2c0fbc765..f73a8382c275e0 100644 --- a/net/netlabel/netlabel_domainhash.c +++ b/net/netlabel/netlabel_domainhash.c @@ -85,6 +85,7 @@ static void netlbl_domhsh_free_entry(struct rcu_head *entry) kfree(netlbl_domhsh_addr6_entry(iter6)); } #endif /* IPv6 */ + kfree(ptr->def.addrsel); } kfree(ptr->domain); kfree(ptr); @@ -537,6 +538,8 @@ int netlbl_domhsh_add(struct netlbl_dom_map *entry, goto add_return; } #endif /* IPv6 */ + /* cleanup the new entry since we've moved everything over */ + netlbl_domhsh_free_entry(&entry->rcu); } else ret_val = -EINVAL; @@ -580,6 +583,12 @@ int netlbl_domhsh_remove_entry(struct netlbl_dom_map *entry, { int ret_val = 0; struct audit_buffer *audit_buf; + struct netlbl_af4list *iter4; + struct netlbl_domaddr4_map *map4; +#if IS_ENABLED(CONFIG_IPV6) + struct netlbl_af6list *iter6; + struct netlbl_domaddr6_map *map6; +#endif /* IPv6 */ if (entry == NULL) return -ENOENT; @@ -597,6 +606,9 @@ int netlbl_domhsh_remove_entry(struct netlbl_dom_map *entry, ret_val = -ENOENT; spin_unlock(&netlbl_domhsh_lock); + if (ret_val) + return ret_val; + audit_buf = netlbl_audit_start_common(AUDIT_MAC_MAP_DEL, audit_info); if (audit_buf != NULL) { audit_log_format(audit_buf, @@ -606,40 +618,29 @@ int netlbl_domhsh_remove_entry(struct netlbl_dom_map *entry, audit_log_end(audit_buf); } - if (ret_val == 0) { - struct netlbl_af4list *iter4; - struct netlbl_domaddr4_map *map4; -#if IS_ENABLED(CONFIG_IPV6) - struct netlbl_af6list *iter6; - struct netlbl_domaddr6_map *map6; -#endif /* IPv6 */ - - switch (entry->def.type) { - case NETLBL_NLTYPE_ADDRSELECT: - netlbl_af4list_foreach_rcu(iter4, - &entry->def.addrsel->list4) { - map4 = netlbl_domhsh_addr4_entry(iter4); - cipso_v4_doi_putdef(map4->def.cipso); - } + switch (entry->def.type) { + case NETLBL_NLTYPE_ADDRSELECT: + netlbl_af4list_foreach_rcu(iter4, &entry->def.addrsel->list4) { + map4 = netlbl_domhsh_addr4_entry(iter4); + cipso_v4_doi_putdef(map4->def.cipso); + } #if IS_ENABLED(CONFIG_IPV6) - netlbl_af6list_foreach_rcu(iter6, - &entry->def.addrsel->list6) { - map6 = netlbl_domhsh_addr6_entry(iter6); - calipso_doi_putdef(map6->def.calipso); - } + netlbl_af6list_foreach_rcu(iter6, &entry->def.addrsel->list6) { + map6 = netlbl_domhsh_addr6_entry(iter6); + calipso_doi_putdef(map6->def.calipso); + } #endif /* IPv6 */ - break; - case NETLBL_NLTYPE_CIPSOV4: - cipso_v4_doi_putdef(entry->def.cipso); - break; + break; + case NETLBL_NLTYPE_CIPSOV4: + cipso_v4_doi_putdef(entry->def.cipso); + break; #if IS_ENABLED(CONFIG_IPV6) - case NETLBL_NLTYPE_CALIPSO: - calipso_doi_putdef(entry->def.calipso); - break; + case NETLBL_NLTYPE_CALIPSO: + calipso_doi_putdef(entry->def.calipso); + break; #endif /* IPv6 */ - } - call_rcu(&entry->rcu, netlbl_domhsh_free_entry); } + call_rcu(&entry->rcu, netlbl_domhsh_free_entry); return ret_val; } diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c index b5f30d7d30d068..d2d1448274f561 100644 --- a/net/netlink/af_netlink.c +++ b/net/netlink/af_netlink.c @@ -353,7 +353,7 @@ static void netlink_rcv_wake(struct sock *sk) { struct netlink_sock *nlk = nlk_sk(sk); - if (skb_queue_empty(&sk->sk_receive_queue)) + if (skb_queue_empty_lockless(&sk->sk_receive_queue)) clear_bit(NETLINK_S_CONGESTED, &nlk->state); if (!test_bit(NETLINK_S_CONGESTED, &nlk->state)) wake_up_interruptible(&nlk->wait); diff --git a/net/netlink/genetlink.c b/net/netlink/genetlink.c index 1eb65a7a27fdf3..c4b4d3376227a8 100644 --- a/net/netlink/genetlink.c +++ b/net/netlink/genetlink.c @@ -1079,7 +1079,7 @@ static int ctrl_dumppolicy(struct sk_buff *skb, struct netlink_callback *cb) if (err) return err; - while (netlink_policy_dump_loop(&cb->args[1])) { + while (netlink_policy_dump_loop(cb->args[1])) { void *hdr; struct nlattr *nest; @@ -1113,6 +1113,12 @@ nla_put_failure: return skb->len; } +static int ctrl_dumppolicy_done(struct netlink_callback *cb) +{ + netlink_policy_dump_free(cb->args[1]); + return 0; +} + static const struct genl_ops genl_ctrl_ops[] = { { .cmd = CTRL_CMD_GETFAMILY, @@ -1123,6 +1129,7 @@ static const struct genl_ops genl_ctrl_ops[] = { { .cmd = CTRL_CMD_GETPOLICY, .dumpit = ctrl_dumppolicy, + .done = ctrl_dumppolicy_done, }, }; diff --git a/net/netlink/policy.c b/net/netlink/policy.c index 2b3e26f7496f5f..0176b59ce53000 100644 --- a/net/netlink/policy.c +++ b/net/netlink/policy.c @@ -84,7 +84,6 @@ int netlink_policy_dump_start(const struct nla_policy *policy, unsigned int policy_idx; int err; - /* also returns 0 if "*_state" is our ERR_PTR() end marker */ if (*_state) return 0; @@ -140,21 +139,11 @@ static bool netlink_policy_dump_finished(struct nl_policy_dump *state) !state->policies[state->policy_idx].policy; } -bool netlink_policy_dump_loop(unsigned long *_state) +bool netlink_policy_dump_loop(unsigned long _state) { - struct nl_policy_dump *state = (void *)*_state; - - if (IS_ERR(state)) - return false; - - if (netlink_policy_dump_finished(state)) { - kfree(state); - /* store end marker instead of freed state */ - *_state = (unsigned long)ERR_PTR(-ENOENT); - return false; - } + struct nl_policy_dump *state = (void *)_state; - return true; + return !netlink_policy_dump_finished(state); } int netlink_policy_dump_write(struct sk_buff *skb, unsigned long _state) @@ -188,7 +177,7 @@ send_attribute: goto next; case NLA_NESTED: type = NL_ATTR_TYPE_NESTED; - /* fall through */ + fallthrough; case NLA_NESTED_ARRAY: if (pt->type == NLA_NESTED_ARRAY) type = NL_ATTR_TYPE_NESTED_ARRAY; @@ -309,3 +298,10 @@ nla_put_failure: nla_nest_cancel(skb, policy); return -ENOBUFS; } + +void netlink_policy_dump_free(unsigned long _state) +{ + struct nl_policy_dump *state = (void *)_state; + + kfree(state); +} diff --git a/net/netrom/nr_in.c b/net/netrom/nr_in.c index 2bef3779f8935e..69e58906c32b1e 100644 --- a/net/netrom/nr_in.c +++ b/net/netrom/nr_in.c @@ -122,7 +122,7 @@ static int nr_state2_machine(struct sock *sk, struct sk_buff *skb, case NR_DISCREQ: nr_write_internal(sk, NR_DISCACK); - /* fall through */ + fallthrough; case NR_DISCACK: nr_disconnect(sk, 0); break; diff --git a/net/netrom/nr_route.c b/net/netrom/nr_route.c index 0891ee02ca4fe0..78da5eab252a0d 100644 --- a/net/netrom/nr_route.c +++ b/net/netrom/nr_route.c @@ -263,7 +263,7 @@ static int __must_check nr_add_node(ax25_address *nr, const char *mnemonic, case 3: re_sort_routes(nr_node, 0, 1); re_sort_routes(nr_node, 1, 2); - /* fall through */ + fallthrough; case 2: re_sort_routes(nr_node, 0, 1); case 1: @@ -356,7 +356,7 @@ static int nr_del_node(ax25_address *callsign, ax25_address *neighbour, struct n switch (i) { case 0: nr_node->routes[0] = nr_node->routes[1]; - /* fall through */ + fallthrough; case 1: nr_node->routes[1] = nr_node->routes[2]; case 2: @@ -479,7 +479,7 @@ static int nr_dec_obs(void) switch (i) { case 0: s->routes[0] = s->routes[1]; - /* Fallthrough */ + fallthrough; case 1: s->routes[1] = s->routes[2]; case 2: @@ -526,7 +526,7 @@ void nr_rt_device_down(struct net_device *dev) switch (i) { case 0: t->routes[0] = t->routes[1]; - /* fall through */ + fallthrough; case 1: t->routes[1] = t->routes[2]; case 2: diff --git a/net/openvswitch/conntrack.c b/net/openvswitch/conntrack.c index 98d393e70de327..12d42ab0193b2c 100644 --- a/net/openvswitch/conntrack.c +++ b/net/openvswitch/conntrack.c @@ -778,7 +778,7 @@ static int ovs_ct_nat_execute(struct sk_buff *skb, struct nf_conn *ct, } } /* Non-ICMP, fall thru to initialize if needed. */ - /* fall through */ + fallthrough; case IP_CT_NEW: /* Seen it before? This can happen for loopback, retrans, * or local packets. @@ -905,15 +905,19 @@ static int ovs_ct_nat(struct net *net, struct sw_flow_key *key, } err = ovs_ct_nat_execute(skb, ct, ctinfo, &info->range, maniptype); - if (err == NF_ACCEPT && - ct->status & IPS_SRC_NAT && ct->status & IPS_DST_NAT) { - if (maniptype == NF_NAT_MANIP_SRC) - maniptype = NF_NAT_MANIP_DST; - else - maniptype = NF_NAT_MANIP_SRC; - - err = ovs_ct_nat_execute(skb, ct, ctinfo, &info->range, - maniptype); + if (err == NF_ACCEPT && ct->status & IPS_DST_NAT) { + if (ct->status & IPS_SRC_NAT) { + if (maniptype == NF_NAT_MANIP_SRC) + maniptype = NF_NAT_MANIP_DST; + else + maniptype = NF_NAT_MANIP_SRC; + + err = ovs_ct_nat_execute(skb, ct, ctinfo, &info->range, + maniptype); + } else if (CTINFO2DIR(ctinfo) == IP_CT_DIR_ORIGINAL) { + err = ovs_ct_nat_execute(skb, ct, ctinfo, NULL, + NF_NAT_MANIP_SRC); + } } /* Mark NAT done if successful and update the flow key. */ @@ -1540,7 +1544,7 @@ static int parse_ct(const struct nlattr *attr, struct ovs_conntrack_info *info, switch (type) { case OVS_CT_ATTR_FORCE_COMMIT: info->force = true; - /* fall through. */ + fallthrough; case OVS_CT_ATTR_COMMIT: info->commit = true; break; diff --git a/net/openvswitch/flow.c b/net/openvswitch/flow.c index 03942c30d83e67..b03d142ec82efa 100644 --- a/net/openvswitch/flow.c +++ b/net/openvswitch/flow.c @@ -675,7 +675,7 @@ static int key_extract_l3l4(struct sk_buff *skb, struct sw_flow_key *key) case -EINVAL: memset(&key->ip, 0, sizeof(key->ip)); memset(&key->ipv6.addr, 0, sizeof(key->ipv6.addr)); - /* fall-through */ + fallthrough; case -EPROTO: skb->transport_header = skb->network_header; error = 0; diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c index 479c257ded7335..2b33e977a90591 100644 --- a/net/packet/af_packet.c +++ b/net/packet/af_packet.c @@ -2170,7 +2170,8 @@ static int tpacket_rcv(struct sk_buff *skb, struct net_device *dev, int skb_len = skb->len; unsigned int snaplen, res; unsigned long status = TP_STATUS_USER; - unsigned short macoff, netoff, hdrlen; + unsigned short macoff, hdrlen; + unsigned int netoff; struct sk_buff *copy_skb = NULL; struct timespec64 ts; __u32 ts_status; @@ -2239,6 +2240,10 @@ static int tpacket_rcv(struct sk_buff *skb, struct net_device *dev, } macoff = netoff - maclen; } + if (netoff > USHRT_MAX) { + atomic_inc(&po->tp_drops); + goto drop_n_restore; + } if (po->tp_version <= TPACKET_V2) { if (macoff + snaplen > po->rx_ring.frame_size) { if (po->copy_thresh && @@ -4061,7 +4066,7 @@ static int packet_notifier(struct notifier_block *this, case NETDEV_UNREGISTER: if (po->mclist) packet_dev_mclist_delete(dev, &po->mclist); - /* fallthrough */ + fallthrough; case NETDEV_DOWN: if (dev->ifindex == po->ifindex) { diff --git a/net/phonet/pep.c b/net/phonet/pep.c index e47d09aca4af46..a1525916885ae9 100644 --- a/net/phonet/pep.c +++ b/net/phonet/pep.c @@ -368,7 +368,7 @@ static int pipe_do_rcv(struct sock *sk, struct sk_buff *skb) err = -EINVAL; goto out; } - /* fall through */ + fallthrough; case PNS_PEP_DISABLE_REQ: atomic_set(&pn->tx_credits, 0); pep_reply(sk, skb, PN_PIPE_NO_ERROR, NULL, 0, GFP_ATOMIC); @@ -385,7 +385,7 @@ static int pipe_do_rcv(struct sock *sk, struct sk_buff *skb) case PNS_PIPE_ALIGNED_DATA: __skb_pull(skb, 1); - /* fall through */ + fallthrough; case PNS_PIPE_DATA: __skb_pull(skb, 3); /* Pipe data header */ if (!pn_flow_safe(pn->rx_fc)) { @@ -417,11 +417,11 @@ static int pipe_do_rcv(struct sock *sk, struct sk_buff *skb) err = pipe_rcv_created(sk, skb); if (err) break; - /* fall through */ + fallthrough; case PNS_PIPE_RESET_IND: if (!pn->init_enable) break; - /* fall through */ + fallthrough; case PNS_PIPE_ENABLED_IND: if (!pn_flow_safe(pn->tx_fc)) { atomic_set(&pn->tx_credits, 1); @@ -555,7 +555,7 @@ static int pipe_handler_do_rcv(struct sock *sk, struct sk_buff *skb) switch (hdr->message_id) { case PNS_PIPE_ALIGNED_DATA: __skb_pull(skb, 1); - /* fall through */ + fallthrough; case PNS_PIPE_DATA: __skb_pull(skb, 3); /* Pipe data header */ if (!pn_flow_safe(pn->rx_fc)) { diff --git a/net/qrtr/ns.c b/net/qrtr/ns.c index d8252fdab851ab..b8559c88243188 100644 --- a/net/qrtr/ns.c +++ b/net/qrtr/ns.c @@ -199,17 +199,30 @@ static int announce_servers(struct sockaddr_qrtr *sq) if (!node) return 0; + rcu_read_lock(); /* Announce the list of servers registered in this node */ radix_tree_for_each_slot(slot, &node->servers, &iter, 0) { srv = radix_tree_deref_slot(slot); + if (!srv) + continue; + if (radix_tree_deref_retry(srv)) { + slot = radix_tree_iter_retry(&iter); + continue; + } + slot = radix_tree_iter_resume(slot, &iter); + rcu_read_unlock(); ret = service_announce_new(sq, srv); if (ret < 0) { pr_err("failed to announce new service\n"); return ret; } + + rcu_read_lock(); } + rcu_read_unlock(); + return 0; } @@ -344,11 +357,22 @@ static int ctrl_cmd_bye(struct sockaddr_qrtr *from) if (!node) return 0; + rcu_read_lock(); /* Advertise removal of this client to all servers of remote node */ radix_tree_for_each_slot(slot, &node->servers, &iter, 0) { srv = radix_tree_deref_slot(slot); + if (!srv) + continue; + if (radix_tree_deref_retry(srv)) { + slot = radix_tree_iter_retry(&iter); + continue; + } + slot = radix_tree_iter_resume(slot, &iter); + rcu_read_unlock(); server_del(node, srv->port); + rcu_read_lock(); } + rcu_read_unlock(); /* Advertise the removal of this client to all local servers */ local_node = node_get(qrtr_ns.local_node); @@ -359,8 +383,17 @@ static int ctrl_cmd_bye(struct sockaddr_qrtr *from) pkt.cmd = cpu_to_le32(QRTR_TYPE_BYE); pkt.client.node = cpu_to_le32(from->sq_node); + rcu_read_lock(); radix_tree_for_each_slot(slot, &local_node->servers, &iter, 0) { srv = radix_tree_deref_slot(slot); + if (!srv) + continue; + if (radix_tree_deref_retry(srv)) { + slot = radix_tree_iter_retry(&iter); + continue; + } + slot = radix_tree_iter_resume(slot, &iter); + rcu_read_unlock(); sq.sq_family = AF_QIPCRTR; sq.sq_node = srv->node; @@ -374,8 +407,11 @@ static int ctrl_cmd_bye(struct sockaddr_qrtr *from) pr_err("failed to send bye cmd\n"); return ret; } + rcu_read_lock(); } + rcu_read_unlock(); + return 0; } @@ -434,8 +470,17 @@ static int ctrl_cmd_del_client(struct sockaddr_qrtr *from, pkt.client.node = cpu_to_le32(node_id); pkt.client.port = cpu_to_le32(port); + rcu_read_lock(); radix_tree_for_each_slot(slot, &local_node->servers, &iter, 0) { srv = radix_tree_deref_slot(slot); + if (!srv) + continue; + if (radix_tree_deref_retry(srv)) { + slot = radix_tree_iter_retry(&iter); + continue; + } + slot = radix_tree_iter_resume(slot, &iter); + rcu_read_unlock(); sq.sq_family = AF_QIPCRTR; sq.sq_node = srv->node; @@ -449,8 +494,11 @@ static int ctrl_cmd_del_client(struct sockaddr_qrtr *from, pr_err("failed to send del client cmd\n"); return ret; } + rcu_read_lock(); } + rcu_read_unlock(); + return 0; } @@ -554,20 +602,40 @@ static int ctrl_cmd_new_lookup(struct sockaddr_qrtr *from, filter.service = service; filter.instance = instance; + rcu_read_lock(); radix_tree_for_each_slot(node_slot, &nodes, &node_iter, 0) { node = radix_tree_deref_slot(node_slot); + if (!node) + continue; + if (radix_tree_deref_retry(node)) { + node_slot = radix_tree_iter_retry(&node_iter); + continue; + } + node_slot = radix_tree_iter_resume(node_slot, &node_iter); radix_tree_for_each_slot(srv_slot, &node->servers, &srv_iter, 0) { struct qrtr_server *srv; srv = radix_tree_deref_slot(srv_slot); + if (!srv) + continue; + if (radix_tree_deref_retry(srv)) { + srv_slot = radix_tree_iter_retry(&srv_iter); + continue; + } + if (!server_match(srv, &filter)) continue; + srv_slot = radix_tree_iter_resume(srv_slot, &srv_iter); + + rcu_read_unlock(); lookup_notify(from, srv, true); + rcu_read_lock(); } } + rcu_read_unlock(); /* Empty notification, to indicate end of listing */ lookup_notify(from, NULL, true); diff --git a/net/qrtr/qrtr.c b/net/qrtr/qrtr.c index 90c558f89d4656..957aa9263ba4ce 100644 --- a/net/qrtr/qrtr.c +++ b/net/qrtr/qrtr.c @@ -332,8 +332,7 @@ static int qrtr_node_enqueue(struct qrtr_node *node, struct sk_buff *skb, { struct qrtr_hdr_v1 *hdr; size_t len = skb->len; - int rc = -ENODEV; - int confirm_rx; + int rc, confirm_rx; confirm_rx = qrtr_tx_wait(node, to->sq_node, to->sq_port, type); if (confirm_rx < 0) { @@ -357,15 +356,17 @@ static int qrtr_node_enqueue(struct qrtr_node *node, struct sk_buff *skb, hdr->size = cpu_to_le32(len); hdr->confirm_rx = !!confirm_rx; - skb_put_padto(skb, ALIGN(len, 4) + sizeof(*hdr)); - - mutex_lock(&node->ep_lock); - if (node->ep) - rc = node->ep->xmit(node->ep, skb); - else - kfree_skb(skb); - mutex_unlock(&node->ep_lock); + rc = skb_put_padto(skb, ALIGN(len, 4) + sizeof(*hdr)); + if (!rc) { + mutex_lock(&node->ep_lock); + rc = -ENODEV; + if (node->ep) + rc = node->ep->xmit(node->ep, skb); + else + kfree_skb(skb); + mutex_unlock(&node->ep_lock); + } /* Need to ensure that a subsequent message carries the otherwise lost * confirm_rx flag if we dropped this one */ if (rc && confirm_rx) diff --git a/net/rds/send.c b/net/rds/send.c index 9a529a01cdc6a1..985d0b7713acc5 100644 --- a/net/rds/send.c +++ b/net/rds/send.c @@ -934,7 +934,7 @@ static int rds_rm_size(struct msghdr *msg, int num_sgs, case RDS_CMSG_ZCOPY_COOKIE: zcopy_cookie = true; - /* fall through */ + fallthrough; case RDS_CMSG_RDMA_DEST: case RDS_CMSG_RDMA_MAP: diff --git a/net/rose/rose_in.c b/net/rose/rose_in.c index 0d4fab2be82bdf..6af786d66b03a9 100644 --- a/net/rose/rose_in.c +++ b/net/rose/rose_in.c @@ -216,7 +216,7 @@ static int rose_state4_machine(struct sock *sk, struct sk_buff *skb, int framety switch (frametype) { case ROSE_RESET_REQUEST: rose_write_internal(sk, ROSE_RESET_CONFIRMATION); - /* fall through */ + fallthrough; case ROSE_RESET_CONFIRMATION: rose_stop_timer(sk); rose_start_idletimer(sk); diff --git a/net/rose/rose_route.c b/net/rose/rose_route.c index 5277631fa14c6c..6e35703ff353d7 100644 --- a/net/rose/rose_route.c +++ b/net/rose/rose_route.c @@ -343,7 +343,7 @@ static int rose_del_node(struct rose_route_struct *rose_route, case 0: rose_node->neighbour[0] = rose_node->neighbour[1]; - /* fall through */ + fallthrough; case 1: rose_node->neighbour[1] = rose_node->neighbour[2]; @@ -505,7 +505,7 @@ void rose_rt_device_down(struct net_device *dev) switch (i) { case 0: t->neighbour[0] = t->neighbour[1]; - /* fall through */ + fallthrough; case 1: t->neighbour[1] = t->neighbour[2]; case 2: diff --git a/net/rxrpc/af_rxrpc.c b/net/rxrpc/af_rxrpc.c index e6725a6de015fb..186c8a889b1640 100644 --- a/net/rxrpc/af_rxrpc.c +++ b/net/rxrpc/af_rxrpc.c @@ -246,7 +246,7 @@ static int rxrpc_listen(struct socket *sock, int backlog) ret = 0; break; } - /* Fall through */ + fallthrough; default: ret = -EBUSY; break; @@ -545,7 +545,7 @@ static int rxrpc_sendmsg(struct socket *sock, struct msghdr *m, size_t len) rx->local = local; rx->sk.sk_state = RXRPC_CLIENT_BOUND; - /* Fall through */ + fallthrough; case RXRPC_CLIENT_BOUND: if (!m->msg_name && @@ -553,7 +553,7 @@ static int rxrpc_sendmsg(struct socket *sock, struct msghdr *m, size_t len) m->msg_name = &rx->connect_srx; m->msg_namelen = sizeof(rx->connect_srx); } - /* Fall through */ + fallthrough; case RXRPC_SERVER_BOUND: case RXRPC_SERVER_LISTENING: ret = rxrpc_do_sendmsg(rx, m, len); diff --git a/net/rxrpc/ar-internal.h b/net/rxrpc/ar-internal.h index 6d29a3603a3e6e..97aebb5d19db88 100644 --- a/net/rxrpc/ar-internal.h +++ b/net/rxrpc/ar-internal.h @@ -488,7 +488,6 @@ enum rxrpc_call_flag { RXRPC_CALL_RX_LAST, /* Received the last packet (at rxtx_top) */ RXRPC_CALL_TX_LAST, /* Last packet in Tx buffer (at rxtx_top) */ RXRPC_CALL_SEND_PING, /* A ping will need to be sent */ - RXRPC_CALL_PINGING, /* Ping in process */ RXRPC_CALL_RETRANS_TIMEOUT, /* Retransmission due to timeout occurred */ RXRPC_CALL_BEGAN_RX_TIMER, /* We began the expect_rx_by timer */ RXRPC_CALL_RX_HEARD, /* The peer responded at least once to this call */ @@ -519,7 +518,6 @@ enum rxrpc_call_state { RXRPC_CALL_CLIENT_RECV_REPLY, /* - client receiving reply phase */ RXRPC_CALL_SERVER_PREALLOC, /* - service preallocation */ RXRPC_CALL_SERVER_SECURING, /* - server securing request connection */ - RXRPC_CALL_SERVER_ACCEPTING, /* - server accepting request */ RXRPC_CALL_SERVER_RECV_REQUEST, /* - server receiving request */ RXRPC_CALL_SERVER_ACK_REQUEST, /* - server pending ACK of request */ RXRPC_CALL_SERVER_SEND_REPLY, /* - server sending reply */ @@ -673,9 +671,13 @@ struct rxrpc_call { rxrpc_seq_t ackr_consumed; /* Highest packet shown consumed */ rxrpc_seq_t ackr_seen; /* Highest packet shown seen */ - /* ping management */ - rxrpc_serial_t ping_serial; /* Last ping sent */ - ktime_t ping_time; /* Time last ping sent */ + /* RTT management */ + rxrpc_serial_t rtt_serial[4]; /* Serial number of DATA or PING sent */ + ktime_t rtt_sent_at[4]; /* Time packet sent */ + unsigned long rtt_avail; /* Mask of available slots in bits 0-3, + * Mask of pending samples in 8-11 */ +#define RXRPC_CALL_RTT_AVAIL_MASK 0xf +#define RXRPC_CALL_RTT_PEND_SHIFT 8 /* transmission-phase ACK management */ ktime_t acks_latest_ts; /* Timestamp of latest ACK received */ @@ -711,8 +713,8 @@ struct rxrpc_ack_summary { enum rxrpc_command { RXRPC_CMD_SEND_DATA, /* send data message */ RXRPC_CMD_SEND_ABORT, /* request abort generation */ - RXRPC_CMD_ACCEPT, /* [server] accept incoming call */ RXRPC_CMD_REJECT_BUSY, /* [server] reject a call as busy */ + RXRPC_CMD_CHARGE_ACCEPT, /* [server] charge accept preallocation */ }; struct rxrpc_call_params { @@ -752,9 +754,7 @@ struct rxrpc_call *rxrpc_new_incoming_call(struct rxrpc_local *, struct rxrpc_sock *, struct sk_buff *); void rxrpc_accept_incoming_calls(struct rxrpc_local *); -struct rxrpc_call *rxrpc_accept_call(struct rxrpc_sock *, unsigned long, - rxrpc_notify_rx_t); -int rxrpc_reject_call(struct rxrpc_sock *); +int rxrpc_user_charge_accept(struct rxrpc_sock *, unsigned long); /* * call_event.c @@ -1037,7 +1037,7 @@ static inline bool __rxrpc_abort_eproto(struct rxrpc_call *call, /* * rtt.c */ -void rxrpc_peer_add_rtt(struct rxrpc_call *, enum rxrpc_rtt_rx_trace, +void rxrpc_peer_add_rtt(struct rxrpc_call *, enum rxrpc_rtt_rx_trace, int, rxrpc_serial_t, rxrpc_serial_t, ktime_t, ktime_t); unsigned long rxrpc_get_rto_backoff(struct rxrpc_peer *, bool); void rxrpc_peer_init_rtt(struct rxrpc_peer *); diff --git a/net/rxrpc/call_accept.c b/net/rxrpc/call_accept.c index 032ed76c0166da..8df1964db33328 100644 --- a/net/rxrpc/call_accept.c +++ b/net/rxrpc/call_accept.c @@ -39,8 +39,9 @@ static int rxrpc_service_prealloc_one(struct rxrpc_sock *rx, unsigned int debug_id) { const void *here = __builtin_return_address(0); - struct rxrpc_call *call; + struct rxrpc_call *call, *xcall; struct rxrpc_net *rxnet = rxrpc_net(sock_net(&rx->sk)); + struct rb_node *parent, **pp; int max, tmp; unsigned int size = RXRPC_BACKLOG_MAX; unsigned int head, tail, call_head, call_tail; @@ -94,7 +95,7 @@ static int rxrpc_service_prealloc_one(struct rxrpc_sock *rx, } /* Now it gets complicated, because calls get registered with the - * socket here, particularly if a user ID is preassigned by the user. + * socket here, with a user ID preassigned by the user. */ call = rxrpc_alloc_call(rx, gfp, debug_id); if (!call) @@ -107,34 +108,33 @@ static int rxrpc_service_prealloc_one(struct rxrpc_sock *rx, here, (const void *)user_call_ID); write_lock(&rx->call_lock); - if (user_attach_call) { - struct rxrpc_call *xcall; - struct rb_node *parent, **pp; - - /* Check the user ID isn't already in use */ - pp = &rx->calls.rb_node; - parent = NULL; - while (*pp) { - parent = *pp; - xcall = rb_entry(parent, struct rxrpc_call, sock_node); - if (user_call_ID < xcall->user_call_ID) - pp = &(*pp)->rb_left; - else if (user_call_ID > xcall->user_call_ID) - pp = &(*pp)->rb_right; - else - goto id_in_use; - } - call->user_call_ID = user_call_ID; - call->notify_rx = notify_rx; + /* Check the user ID isn't already in use */ + pp = &rx->calls.rb_node; + parent = NULL; + while (*pp) { + parent = *pp; + xcall = rb_entry(parent, struct rxrpc_call, sock_node); + if (user_call_ID < xcall->user_call_ID) + pp = &(*pp)->rb_left; + else if (user_call_ID > xcall->user_call_ID) + pp = &(*pp)->rb_right; + else + goto id_in_use; + } + + call->user_call_ID = user_call_ID; + call->notify_rx = notify_rx; + if (user_attach_call) { rxrpc_get_call(call, rxrpc_call_got_kernel); user_attach_call(call, user_call_ID); - rxrpc_get_call(call, rxrpc_call_got_userid); - rb_link_node(&call->sock_node, parent, pp); - rb_insert_color(&call->sock_node, &rx->calls); - set_bit(RXRPC_CALL_HAS_USERID, &call->flags); } + rxrpc_get_call(call, rxrpc_call_got_userid); + rb_link_node(&call->sock_node, parent, pp); + rb_insert_color(&call->sock_node, &rx->calls); + set_bit(RXRPC_CALL_HAS_USERID, &call->flags); + list_add(&call->sock_link, &rx->sock_calls); write_unlock(&rx->call_lock); @@ -157,11 +157,8 @@ id_in_use: } /* - * Preallocate sufficient service connections, calls and peers to cover the - * entire backlog of a socket. When a new call comes in, if we don't have - * sufficient of each available, the call gets rejected as busy or ignored. - * - * The backlog is replenished when a connection is accepted or rejected. + * Allocate the preallocation buffers for incoming service calls. These must + * be charged manually. */ int rxrpc_service_prealloc(struct rxrpc_sock *rx, gfp_t gfp) { @@ -174,13 +171,6 @@ int rxrpc_service_prealloc(struct rxrpc_sock *rx, gfp_t gfp) rx->backlog = b; } - if (rx->discard_new_call) - return 0; - - while (rxrpc_service_prealloc_one(rx, b, NULL, NULL, 0, gfp, - atomic_inc_return(&rxrpc_debug_id)) == 0) - ; - return 0; } @@ -333,6 +323,7 @@ static struct rxrpc_call *rxrpc_alloc_incoming_call(struct rxrpc_sock *rx, rxrpc_see_call(call); call->conn = conn; call->security = conn->security; + call->security_ix = conn->security_ix; call->peer = rxrpc_get_peer(conn->params.peer); call->cong_cwnd = call->peer->cong_cwnd; return call; @@ -402,8 +393,6 @@ struct rxrpc_call *rxrpc_new_incoming_call(struct rxrpc_local *local, if (rx->notify_new_call) rx->notify_new_call(&rx->sk, call, call->user_call_ID); - else - sk_acceptq_added(&rx->sk); spin_lock(&conn->state_lock); switch (conn->state) { @@ -415,12 +404,8 @@ struct rxrpc_call *rxrpc_new_incoming_call(struct rxrpc_local *local, case RXRPC_CONN_SERVICE: write_lock(&call->state_lock); - if (call->state < RXRPC_CALL_COMPLETE) { - if (rx->discard_new_call) - call->state = RXRPC_CALL_SERVER_RECV_REQUEST; - else - call->state = RXRPC_CALL_SERVER_ACCEPTING; - } + if (call->state < RXRPC_CALL_COMPLETE) + call->state = RXRPC_CALL_SERVER_RECV_REQUEST; write_unlock(&call->state_lock); break; @@ -440,9 +425,6 @@ struct rxrpc_call *rxrpc_new_incoming_call(struct rxrpc_local *local, rxrpc_send_ping(call, skb); - if (call->state == RXRPC_CALL_SERVER_ACCEPTING) - rxrpc_notify_socket(call); - /* We have to discard the prealloc queue's ref here and rely on a * combination of the RCU read lock and refs held either by the socket * (recvmsg queue, to-be-accepted queue or user ID tree) or the kernel @@ -460,187 +442,18 @@ no_call: } /* - * handle acceptance of a call by userspace - * - assign the user call ID to the call at the front of the queue - * - called with the socket locked. + * Charge up socket with preallocated calls, attaching user call IDs. */ -struct rxrpc_call *rxrpc_accept_call(struct rxrpc_sock *rx, - unsigned long user_call_ID, - rxrpc_notify_rx_t notify_rx) - __releases(&rx->sk.sk_lock.slock) - __acquires(call->user_mutex) +int rxrpc_user_charge_accept(struct rxrpc_sock *rx, unsigned long user_call_ID) { - struct rxrpc_call *call; - struct rb_node *parent, **pp; - int ret; - - _enter(",%lx", user_call_ID); - - ASSERT(!irqs_disabled()); - - write_lock(&rx->call_lock); - - if (list_empty(&rx->to_be_accepted)) { - write_unlock(&rx->call_lock); - release_sock(&rx->sk); - kleave(" = -ENODATA [empty]"); - return ERR_PTR(-ENODATA); - } - - /* check the user ID isn't already in use */ - pp = &rx->calls.rb_node; - parent = NULL; - while (*pp) { - parent = *pp; - call = rb_entry(parent, struct rxrpc_call, sock_node); - - if (user_call_ID < call->user_call_ID) - pp = &(*pp)->rb_left; - else if (user_call_ID > call->user_call_ID) - pp = &(*pp)->rb_right; - else - goto id_in_use; - } - - /* Dequeue the first call and check it's still valid. We gain - * responsibility for the queue's reference. - */ - call = list_entry(rx->to_be_accepted.next, - struct rxrpc_call, accept_link); - write_unlock(&rx->call_lock); - - /* We need to gain the mutex from the interrupt handler without - * upsetting lockdep, so we have to release it there and take it here. - * We are, however, still holding the socket lock, so other accepts - * must wait for us and no one can add the user ID behind our backs. - */ - if (mutex_lock_interruptible(&call->user_mutex) < 0) { - release_sock(&rx->sk); - kleave(" = -ERESTARTSYS"); - return ERR_PTR(-ERESTARTSYS); - } - - write_lock(&rx->call_lock); - list_del_init(&call->accept_link); - sk_acceptq_removed(&rx->sk); - rxrpc_see_call(call); - - /* Find the user ID insertion point. */ - pp = &rx->calls.rb_node; - parent = NULL; - while (*pp) { - parent = *pp; - call = rb_entry(parent, struct rxrpc_call, sock_node); - - if (user_call_ID < call->user_call_ID) - pp = &(*pp)->rb_left; - else if (user_call_ID > call->user_call_ID) - pp = &(*pp)->rb_right; - else - BUG(); - } - - write_lock_bh(&call->state_lock); - switch (call->state) { - case RXRPC_CALL_SERVER_ACCEPTING: - call->state = RXRPC_CALL_SERVER_RECV_REQUEST; - break; - case RXRPC_CALL_COMPLETE: - ret = call->error; - goto out_release; - default: - BUG(); - } - - /* formalise the acceptance */ - call->notify_rx = notify_rx; - call->user_call_ID = user_call_ID; - rxrpc_get_call(call, rxrpc_call_got_userid); - rb_link_node(&call->sock_node, parent, pp); - rb_insert_color(&call->sock_node, &rx->calls); - if (test_and_set_bit(RXRPC_CALL_HAS_USERID, &call->flags)) - BUG(); - - write_unlock_bh(&call->state_lock); - write_unlock(&rx->call_lock); - rxrpc_notify_socket(call); - rxrpc_service_prealloc(rx, GFP_KERNEL); - release_sock(&rx->sk); - _leave(" = %p{%d}", call, call->debug_id); - return call; - -out_release: - _debug("release %p", call); - write_unlock_bh(&call->state_lock); - write_unlock(&rx->call_lock); - rxrpc_release_call(rx, call); - rxrpc_put_call(call, rxrpc_call_put); - goto out; - -id_in_use: - ret = -EBADSLT; - write_unlock(&rx->call_lock); -out: - rxrpc_service_prealloc(rx, GFP_KERNEL); - release_sock(&rx->sk); - _leave(" = %d", ret); - return ERR_PTR(ret); -} - -/* - * Handle rejection of a call by userspace - * - reject the call at the front of the queue - */ -int rxrpc_reject_call(struct rxrpc_sock *rx) -{ - struct rxrpc_call *call; - bool abort = false; - int ret; - - _enter(""); - - ASSERT(!irqs_disabled()); - - write_lock(&rx->call_lock); - - if (list_empty(&rx->to_be_accepted)) { - write_unlock(&rx->call_lock); - return -ENODATA; - } - - /* Dequeue the first call and check it's still valid. We gain - * responsibility for the queue's reference. - */ - call = list_entry(rx->to_be_accepted.next, - struct rxrpc_call, accept_link); - list_del_init(&call->accept_link); - sk_acceptq_removed(&rx->sk); - rxrpc_see_call(call); + struct rxrpc_backlog *b = rx->backlog; - write_lock_bh(&call->state_lock); - switch (call->state) { - case RXRPC_CALL_SERVER_ACCEPTING: - __rxrpc_abort_call("REJ", call, 1, RX_USER_ABORT, -ECONNABORTED); - abort = true; - /* fall through */ - case RXRPC_CALL_COMPLETE: - ret = call->error; - goto out_discard; - default: - BUG(); - } + if (rx->sk.sk_state == RXRPC_CLOSE) + return -ESHUTDOWN; -out_discard: - write_unlock_bh(&call->state_lock); - write_unlock(&rx->call_lock); - if (abort) { - rxrpc_send_abort_packet(call); - rxrpc_release_call(rx, call); - rxrpc_put_call(call, rxrpc_call_put); - } - rxrpc_service_prealloc(rx, GFP_KERNEL); - _leave(" = %d", ret); - return ret; + return rxrpc_service_prealloc_one(rx, b, NULL, NULL, user_call_ID, + GFP_KERNEL, + atomic_inc_return(&rxrpc_debug_id)); } /* diff --git a/net/rxrpc/call_object.c b/net/rxrpc/call_object.c index 38a46167523fa4..ed49769b459d8c 100644 --- a/net/rxrpc/call_object.c +++ b/net/rxrpc/call_object.c @@ -23,7 +23,6 @@ const char *const rxrpc_call_states[NR__RXRPC_CALL_STATES] = { [RXRPC_CALL_CLIENT_RECV_REPLY] = "ClRcvRpl", [RXRPC_CALL_SERVER_PREALLOC] = "SvPrealc", [RXRPC_CALL_SERVER_SECURING] = "SvSecure", - [RXRPC_CALL_SERVER_ACCEPTING] = "SvAccept", [RXRPC_CALL_SERVER_RECV_REQUEST] = "SvRcvReq", [RXRPC_CALL_SERVER_ACK_REQUEST] = "SvAckReq", [RXRPC_CALL_SERVER_SEND_REPLY] = "SvSndRpl", @@ -153,6 +152,7 @@ struct rxrpc_call *rxrpc_alloc_call(struct rxrpc_sock *rx, gfp_t gfp, call->cong_ssthresh = RXRPC_RXTX_BUFF_SIZE - 1; call->rxnet = rxnet; + call->rtt_avail = RXRPC_CALL_RTT_AVAIL_MASK; atomic_inc(&rxnet->nr_calls); return call; @@ -351,9 +351,7 @@ void rxrpc_incoming_call(struct rxrpc_sock *rx, call->call_id = sp->hdr.callNumber; call->service_id = sp->hdr.serviceId; call->cid = sp->hdr.cid; - call->state = RXRPC_CALL_SERVER_ACCEPTING; - if (sp->hdr.securityIndex > 0) - call->state = RXRPC_CALL_SERVER_SECURING; + call->state = RXRPC_CALL_SERVER_SECURING; call->cong_tstamp = skb->tstamp; /* Set the channel for this call. We don't get channel_lock as we're diff --git a/net/rxrpc/conn_client.c b/net/rxrpc/conn_client.c index f2a1a5dbb5a7bb..159e3eda791428 100644 --- a/net/rxrpc/conn_client.c +++ b/net/rxrpc/conn_client.c @@ -881,7 +881,7 @@ void rxrpc_disconnect_client_call(struct rxrpc_call *call) conn->cache_state = RXRPC_CONN_CLIENT_ACTIVE; rxrpc_activate_channels_locked(conn); } - /* fall through */ + fallthrough; case RXRPC_CONN_CLIENT_ACTIVE: if (list_empty(&conn->waiting_calls)) { rxrpc_deactivate_one_channel(conn, channel); diff --git a/net/rxrpc/conn_event.c b/net/rxrpc/conn_event.c index 447f55ca688605..64ace2960ecc27 100644 --- a/net/rxrpc/conn_event.c +++ b/net/rxrpc/conn_event.c @@ -269,7 +269,7 @@ static void rxrpc_call_is_secure(struct rxrpc_call *call) if (call) { write_lock_bh(&call->state_lock); if (call->state == RXRPC_CALL_SERVER_SECURING) { - call->state = RXRPC_CALL_SERVER_ACCEPTING; + call->state = RXRPC_CALL_SERVER_RECV_REQUEST; rxrpc_notify_socket(call); } write_unlock_bh(&call->state_lock); @@ -340,18 +340,18 @@ static int rxrpc_process_event(struct rxrpc_connection *conn, return ret; spin_lock(&conn->channel_lock); - spin_lock(&conn->state_lock); + spin_lock_bh(&conn->state_lock); if (conn->state == RXRPC_CONN_SERVICE_CHALLENGING) { conn->state = RXRPC_CONN_SERVICE; - spin_unlock(&conn->state_lock); + spin_unlock_bh(&conn->state_lock); for (loop = 0; loop < RXRPC_MAXCALLS; loop++) rxrpc_call_is_secure( rcu_dereference_protected( conn->channels[loop].call, lockdep_is_held(&conn->channel_lock))); } else { - spin_unlock(&conn->state_lock); + spin_unlock_bh(&conn->state_lock); } spin_unlock(&conn->channel_lock); diff --git a/net/rxrpc/input.c b/net/rxrpc/input.c index 767579328a0697..667c44aa5a63cb 100644 --- a/net/rxrpc/input.c +++ b/net/rxrpc/input.c @@ -608,36 +608,57 @@ unlock: } /* - * Process a requested ACK. + * See if there's a cached RTT probe to complete. */ -static void rxrpc_input_requested_ack(struct rxrpc_call *call, - ktime_t resp_time, - rxrpc_serial_t orig_serial, - rxrpc_serial_t ack_serial) +static void rxrpc_complete_rtt_probe(struct rxrpc_call *call, + ktime_t resp_time, + rxrpc_serial_t acked_serial, + rxrpc_serial_t ack_serial, + enum rxrpc_rtt_rx_trace type) { - struct rxrpc_skb_priv *sp; - struct sk_buff *skb; + rxrpc_serial_t orig_serial; + unsigned long avail; ktime_t sent_at; - int ix; + bool matched = false; + int i; - for (ix = 0; ix < RXRPC_RXTX_BUFF_SIZE; ix++) { - skb = call->rxtx_buffer[ix]; - if (!skb) - continue; + avail = READ_ONCE(call->rtt_avail); + smp_rmb(); /* Read avail bits before accessing data. */ - sent_at = skb->tstamp; - smp_rmb(); /* Read timestamp before serial. */ - sp = rxrpc_skb(skb); - if (sp->hdr.serial != orig_serial) + for (i = 0; i < ARRAY_SIZE(call->rtt_serial); i++) { + if (!test_bit(i + RXRPC_CALL_RTT_PEND_SHIFT, &avail)) continue; - goto found; - } - return; + sent_at = call->rtt_sent_at[i]; + orig_serial = call->rtt_serial[i]; + + if (orig_serial == acked_serial) { + clear_bit(i + RXRPC_CALL_RTT_PEND_SHIFT, &call->rtt_avail); + smp_mb(); /* Read data before setting avail bit */ + set_bit(i, &call->rtt_avail); + if (type != rxrpc_rtt_rx_cancel) + rxrpc_peer_add_rtt(call, type, i, acked_serial, ack_serial, + sent_at, resp_time); + else + trace_rxrpc_rtt_rx(call, rxrpc_rtt_rx_cancel, i, + orig_serial, acked_serial, 0, 0); + matched = true; + } + + /* If a later serial is being acked, then mark this slot as + * being available. + */ + if (after(acked_serial, orig_serial)) { + trace_rxrpc_rtt_rx(call, rxrpc_rtt_rx_obsolete, i, + orig_serial, acked_serial, 0, 0); + clear_bit(i + RXRPC_CALL_RTT_PEND_SHIFT, &call->rtt_avail); + smp_wmb(); + set_bit(i, &call->rtt_avail); + } + } -found: - rxrpc_peer_add_rtt(call, rxrpc_rtt_rx_requested_ack, - orig_serial, ack_serial, sent_at, resp_time); + if (!matched) + trace_rxrpc_rtt_rx(call, rxrpc_rtt_rx_lost, 9, 0, acked_serial, 0, 0); } /* @@ -682,27 +703,11 @@ static void rxrpc_input_check_for_lost_ack(struct rxrpc_call *call) */ static void rxrpc_input_ping_response(struct rxrpc_call *call, ktime_t resp_time, - rxrpc_serial_t orig_serial, + rxrpc_serial_t acked_serial, rxrpc_serial_t ack_serial) { - rxrpc_serial_t ping_serial; - ktime_t ping_time; - - ping_time = call->ping_time; - smp_rmb(); - ping_serial = READ_ONCE(call->ping_serial); - - if (orig_serial == call->acks_lost_ping) + if (acked_serial == call->acks_lost_ping) rxrpc_input_check_for_lost_ack(call); - - if (before(orig_serial, ping_serial) || - !test_and_clear_bit(RXRPC_CALL_PINGING, &call->flags)) - return; - if (after(orig_serial, ping_serial)) - return; - - rxrpc_peer_add_rtt(call, rxrpc_rtt_rx_ping_response, - orig_serial, ack_serial, ping_time, resp_time); } /* @@ -843,7 +848,7 @@ static void rxrpc_input_ack(struct rxrpc_call *call, struct sk_buff *skb) struct rxrpc_ackinfo info; u8 acks[RXRPC_MAXACKS]; } buf; - rxrpc_serial_t acked_serial; + rxrpc_serial_t ack_serial, acked_serial; rxrpc_seq_t first_soft_ack, hard_ack, prev_pkt; int nr_acks, offset, ioffset; @@ -856,6 +861,7 @@ static void rxrpc_input_ack(struct rxrpc_call *call, struct sk_buff *skb) } offset += sizeof(buf.ack); + ack_serial = sp->hdr.serial; acked_serial = ntohl(buf.ack.serial); first_soft_ack = ntohl(buf.ack.firstPacket); prev_pkt = ntohl(buf.ack.previousPacket); @@ -864,31 +870,42 @@ static void rxrpc_input_ack(struct rxrpc_call *call, struct sk_buff *skb) summary.ack_reason = (buf.ack.reason < RXRPC_ACK__INVALID ? buf.ack.reason : RXRPC_ACK__INVALID); - trace_rxrpc_rx_ack(call, sp->hdr.serial, acked_serial, + trace_rxrpc_rx_ack(call, ack_serial, acked_serial, first_soft_ack, prev_pkt, summary.ack_reason, nr_acks); - if (buf.ack.reason == RXRPC_ACK_PING_RESPONSE) + switch (buf.ack.reason) { + case RXRPC_ACK_PING_RESPONSE: rxrpc_input_ping_response(call, skb->tstamp, acked_serial, - sp->hdr.serial); - if (buf.ack.reason == RXRPC_ACK_REQUESTED) - rxrpc_input_requested_ack(call, skb->tstamp, acked_serial, - sp->hdr.serial); + ack_serial); + rxrpc_complete_rtt_probe(call, skb->tstamp, acked_serial, ack_serial, + rxrpc_rtt_rx_ping_response); + break; + case RXRPC_ACK_REQUESTED: + rxrpc_complete_rtt_probe(call, skb->tstamp, acked_serial, ack_serial, + rxrpc_rtt_rx_requested_ack); + break; + default: + if (acked_serial != 0) + rxrpc_complete_rtt_probe(call, skb->tstamp, acked_serial, ack_serial, + rxrpc_rtt_rx_cancel); + break; + } if (buf.ack.reason == RXRPC_ACK_PING) { - _proto("Rx ACK %%%u PING Request", sp->hdr.serial); + _proto("Rx ACK %%%u PING Request", ack_serial); rxrpc_propose_ACK(call, RXRPC_ACK_PING_RESPONSE, - sp->hdr.serial, true, true, + ack_serial, true, true, rxrpc_propose_ack_respond_to_ping); } else if (sp->hdr.flags & RXRPC_REQUEST_ACK) { rxrpc_propose_ACK(call, RXRPC_ACK_REQUESTED, - sp->hdr.serial, true, true, + ack_serial, true, true, rxrpc_propose_ack_respond_to_ack); } /* Discard any out-of-order or duplicate ACKs (outside lock). */ if (!rxrpc_is_ack_valid(call, first_soft_ack, prev_pkt)) { - trace_rxrpc_rx_discard_ack(call->debug_id, sp->hdr.serial, + trace_rxrpc_rx_discard_ack(call->debug_id, ack_serial, first_soft_ack, call->ackr_first_seq, prev_pkt, call->ackr_prev_seq); return; @@ -904,7 +921,7 @@ static void rxrpc_input_ack(struct rxrpc_call *call, struct sk_buff *skb) /* Discard any out-of-order or duplicate ACKs (inside lock). */ if (!rxrpc_is_ack_valid(call, first_soft_ack, prev_pkt)) { - trace_rxrpc_rx_discard_ack(call->debug_id, sp->hdr.serial, + trace_rxrpc_rx_discard_ack(call->debug_id, ack_serial, first_soft_ack, call->ackr_first_seq, prev_pkt, call->ackr_prev_seq); goto out; @@ -964,7 +981,7 @@ static void rxrpc_input_ack(struct rxrpc_call *call, struct sk_buff *skb) RXRPC_TX_ANNO_LAST && summary.nr_acks == call->tx_top - hard_ack && rxrpc_is_client_call(call)) - rxrpc_propose_ACK(call, RXRPC_ACK_PING, sp->hdr.serial, + rxrpc_propose_ACK(call, RXRPC_ACK_PING, ack_serial, false, true, rxrpc_propose_ack_ping_for_lost_reply); @@ -1084,7 +1101,7 @@ static void rxrpc_input_implicit_end_call(struct rxrpc_sock *rx, switch (READ_ONCE(call->state)) { case RXRPC_CALL_SERVER_AWAIT_ACK: rxrpc_call_completed(call); - /* Fall through */ + fallthrough; case RXRPC_CALL_COMPLETE: break; default: @@ -1243,12 +1260,12 @@ int rxrpc_input_packet(struct sock *udp_sk, struct sk_buff *skb) case RXRPC_PACKET_TYPE_BUSY: if (rxrpc_to_server(sp)) goto discard; - /* Fall through */ + fallthrough; case RXRPC_PACKET_TYPE_ACK: case RXRPC_PACKET_TYPE_ACKALL: if (sp->hdr.callNumber == 0) goto bad_message; - /* Fall through */ + fallthrough; case RXRPC_PACKET_TYPE_ABORT: break; diff --git a/net/rxrpc/key.c b/net/rxrpc/key.c index 94c3df392651b9..2e8bd3b97301e6 100644 --- a/net/rxrpc/key.c +++ b/net/rxrpc/key.c @@ -903,7 +903,7 @@ int rxrpc_request_key(struct rxrpc_sock *rx, sockptr_t optval, int optlen) _enter(""); - if (optlen <= 0 || optlen > PAGE_SIZE - 1) + if (optlen <= 0 || optlen > PAGE_SIZE - 1 || rx->securities) return -EINVAL; description = memdup_sockptr_nul(optval, optlen); @@ -940,7 +940,7 @@ int rxrpc_server_keyring(struct rxrpc_sock *rx, sockptr_t optval, int optlen) if (IS_ERR(description)) return PTR_ERR(description); - key = request_key_net(&key_type_keyring, description, sock_net(&rx->sk), NULL); + key = request_key(&key_type_keyring, description, NULL); if (IS_ERR(key)) { kfree(description); _leave(" = %ld", PTR_ERR(key)); @@ -1072,7 +1072,7 @@ static long rxrpc_read(const struct key *key, switch (token->security_index) { case RXRPC_SECURITY_RXKAD: - toksize += 9 * 4; /* viceid, kvno, key*2 + len, begin, + toksize += 8 * 4; /* viceid, kvno, key*2, begin, * end, primary, tktlen */ toksize += RND(token->kad->ticket_len); break; @@ -1107,7 +1107,8 @@ static long rxrpc_read(const struct key *key, break; default: /* we have a ticket we can't encode */ - BUG(); + pr_err("Unsupported key token type (%u)\n", + token->security_index); continue; } @@ -1138,6 +1139,14 @@ static long rxrpc_read(const struct key *key, memcpy((u8 *)xdr + _l, &zero, 4 - (_l & 3)); \ xdr += (_l + 3) >> 2; \ } while(0) +#define ENCODE_BYTES(l, s) \ + do { \ + u32 _l = (l); \ + memcpy(xdr, (s), _l); \ + if (_l & 3) \ + memcpy((u8 *)xdr + _l, &zero, 4 - (_l & 3)); \ + xdr += (_l + 3) >> 2; \ + } while(0) #define ENCODE64(x) \ do { \ __be64 y = cpu_to_be64(x); \ @@ -1165,7 +1174,7 @@ static long rxrpc_read(const struct key *key, case RXRPC_SECURITY_RXKAD: ENCODE(token->kad->vice_id); ENCODE(token->kad->kvno); - ENCODE_DATA(8, token->kad->session_key); + ENCODE_BYTES(8, token->kad->session_key); ENCODE(token->kad->start); ENCODE(token->kad->expiry); ENCODE(token->kad->primary_flag); @@ -1215,7 +1224,6 @@ static long rxrpc_read(const struct key *key, break; default: - BUG(); break; } diff --git a/net/rxrpc/local_object.c b/net/rxrpc/local_object.c index c8b2097f499c02..ede058f9cc15e9 100644 --- a/net/rxrpc/local_object.c +++ b/net/rxrpc/local_object.c @@ -162,7 +162,7 @@ static int rxrpc_open_socket(struct rxrpc_local *local, struct net *net) /* Fall through and set IPv4 options too otherwise we don't get * errors from IPv4 packets sent through the IPv6 socket. */ - /* Fall through */ + fallthrough; case AF_INET: /* we want to receive ICMP errors */ ip_sock_set_recverr(local->socket->sk); diff --git a/net/rxrpc/output.c b/net/rxrpc/output.c index 1ba43c3df4adb2..3cfff7922ba820 100644 --- a/net/rxrpc/output.c +++ b/net/rxrpc/output.c @@ -124,6 +124,49 @@ static size_t rxrpc_fill_out_ack(struct rxrpc_connection *conn, } /* + * Record the beginning of an RTT probe. + */ +static int rxrpc_begin_rtt_probe(struct rxrpc_call *call, rxrpc_serial_t serial, + enum rxrpc_rtt_tx_trace why) +{ + unsigned long avail = call->rtt_avail; + int rtt_slot = 9; + + if (!(avail & RXRPC_CALL_RTT_AVAIL_MASK)) + goto no_slot; + + rtt_slot = __ffs(avail & RXRPC_CALL_RTT_AVAIL_MASK); + if (!test_and_clear_bit(rtt_slot, &call->rtt_avail)) + goto no_slot; + + call->rtt_serial[rtt_slot] = serial; + call->rtt_sent_at[rtt_slot] = ktime_get_real(); + smp_wmb(); /* Write data before avail bit */ + set_bit(rtt_slot + RXRPC_CALL_RTT_PEND_SHIFT, &call->rtt_avail); + + trace_rxrpc_rtt_tx(call, why, rtt_slot, serial); + return rtt_slot; + +no_slot: + trace_rxrpc_rtt_tx(call, rxrpc_rtt_tx_no_slot, rtt_slot, serial); + return -1; +} + +/* + * Cancel an RTT probe. + */ +static void rxrpc_cancel_rtt_probe(struct rxrpc_call *call, + rxrpc_serial_t serial, int rtt_slot) +{ + if (rtt_slot != -1) { + clear_bit(rtt_slot + RXRPC_CALL_RTT_PEND_SHIFT, &call->rtt_avail); + smp_wmb(); /* Clear pending bit before setting slot */ + set_bit(rtt_slot, &call->rtt_avail); + trace_rxrpc_rtt_tx(call, rxrpc_rtt_tx_cancel, rtt_slot, serial); + } +} + +/* * Send an ACK call packet. */ int rxrpc_send_ack_packet(struct rxrpc_call *call, bool ping, @@ -136,7 +179,7 @@ int rxrpc_send_ack_packet(struct rxrpc_call *call, bool ping, rxrpc_serial_t serial; rxrpc_seq_t hard_ack, top; size_t len, n; - int ret; + int ret, rtt_slot = -1; u8 reason; if (test_bit(RXRPC_CALL_DISCONNECTED, &call->flags)) @@ -196,18 +239,8 @@ int rxrpc_send_ack_packet(struct rxrpc_call *call, bool ping, if (_serial) *_serial = serial; - if (ping) { - call->ping_serial = serial; - smp_wmb(); - /* We need to stick a time in before we send the packet in case - * the reply gets back before kernel_sendmsg() completes - but - * asking UDP to send the packet can take a relatively long - * time. - */ - call->ping_time = ktime_get_real(); - set_bit(RXRPC_CALL_PINGING, &call->flags); - trace_rxrpc_rtt_tx(call, rxrpc_rtt_tx_ping, serial); - } + if (ping) + rtt_slot = rxrpc_begin_rtt_probe(call, serial, rxrpc_rtt_tx_ping); ret = kernel_sendmsg(conn->params.local->socket, &msg, iov, 2, len); conn->params.peer->last_tx_at = ktime_get_seconds(); @@ -221,8 +254,7 @@ int rxrpc_send_ack_packet(struct rxrpc_call *call, bool ping, if (call->state < RXRPC_CALL_COMPLETE) { if (ret < 0) { - if (ping) - clear_bit(RXRPC_CALL_PINGING, &call->flags); + rxrpc_cancel_rtt_probe(call, serial, rtt_slot); rxrpc_propose_ACK(call, pkt->ack.reason, ntohl(pkt->ack.serial), false, true, @@ -321,7 +353,7 @@ int rxrpc_send_data_packet(struct rxrpc_call *call, struct sk_buff *skb, struct kvec iov[2]; rxrpc_serial_t serial; size_t len; - int ret; + int ret, rtt_slot = -1; _enter(",{%d}", skb->len); @@ -397,6 +429,8 @@ int rxrpc_send_data_packet(struct rxrpc_call *call, struct sk_buff *skb, sp->hdr.serial = serial; smp_wmb(); /* Set serial before timestamp */ skb->tstamp = ktime_get_real(); + if (whdr.flags & RXRPC_REQUEST_ACK) + rtt_slot = rxrpc_begin_rtt_probe(call, serial, rxrpc_rtt_tx_data); /* send the packet by UDP * - returns -EMSGSIZE if UDP would have to fragment the packet @@ -408,12 +442,15 @@ int rxrpc_send_data_packet(struct rxrpc_call *call, struct sk_buff *skb, conn->params.peer->last_tx_at = ktime_get_seconds(); up_read(&conn->params.local->defrag_sem); - if (ret < 0) + if (ret < 0) { + rxrpc_cancel_rtt_probe(call, serial, rtt_slot); trace_rxrpc_tx_fail(call->debug_id, serial, ret, rxrpc_tx_point_call_data_nofrag); - else + } else { trace_rxrpc_tx_packet(call->debug_id, &whdr, rxrpc_tx_point_call_data_nofrag); + } + rxrpc_tx_backoff(call, ret); if (ret == -EMSGSIZE) goto send_fragmentable; @@ -422,7 +459,6 @@ done: if (ret >= 0) { if (whdr.flags & RXRPC_REQUEST_ACK) { call->peer->rtt_last_req = skb->tstamp; - trace_rxrpc_rtt_tx(call, rxrpc_rtt_tx_data, serial); if (call->peer->rtt_count > 1) { unsigned long nowj = jiffies, ack_lost_at; @@ -469,6 +505,8 @@ send_fragmentable: sp->hdr.serial = serial; smp_wmb(); /* Set serial before timestamp */ skb->tstamp = ktime_get_real(); + if (whdr.flags & RXRPC_REQUEST_ACK) + rtt_slot = rxrpc_begin_rtt_probe(call, serial, rxrpc_rtt_tx_data); switch (conn->params.local->srx.transport.family) { case AF_INET6: @@ -487,12 +525,14 @@ send_fragmentable: BUG(); } - if (ret < 0) + if (ret < 0) { + rxrpc_cancel_rtt_probe(call, serial, rtt_slot); trace_rxrpc_tx_fail(call->debug_id, serial, ret, rxrpc_tx_point_call_data_frag); - else + } else { trace_rxrpc_tx_packet(call->debug_id, &whdr, rxrpc_tx_point_call_data_frag); + } rxrpc_tx_backoff(call, ret); up_write(&conn->params.local->defrag_sem); diff --git a/net/rxrpc/peer_event.c b/net/rxrpc/peer_event.c index a852f46d5234d7..be032850ae8ca0 100644 --- a/net/rxrpc/peer_event.c +++ b/net/rxrpc/peer_event.c @@ -273,7 +273,7 @@ static void rxrpc_store_error(struct rxrpc_peer *peer, case SO_EE_ORIGIN_ICMP6: if (err == EACCES) err = EHOSTUNREACH; - /* Fall through */ + fallthrough; default: _proto("Rx Received error report { orig=%u }", ee->ee_origin); break; diff --git a/net/rxrpc/peer_object.c b/net/rxrpc/peer_object.c index ca29976bb193ef..68396d05205252 100644 --- a/net/rxrpc/peer_object.c +++ b/net/rxrpc/peer_object.c @@ -502,11 +502,21 @@ EXPORT_SYMBOL(rxrpc_kernel_get_peer); * rxrpc_kernel_get_srtt - Get a call's peer smoothed RTT * @sock: The socket on which the call is in progress. * @call: The call to query + * @_srtt: Where to store the SRTT value. * - * Get the call's peer smoothed RTT. + * Get the call's peer smoothed RTT in uS. */ -u32 rxrpc_kernel_get_srtt(struct socket *sock, struct rxrpc_call *call) +bool rxrpc_kernel_get_srtt(struct socket *sock, struct rxrpc_call *call, + u32 *_srtt) { - return call->peer->srtt_us >> 3; + struct rxrpc_peer *peer = call->peer; + + if (peer->rtt_count == 0) { + *_srtt = 1000000; /* 1S */ + return false; + } + + *_srtt = call->peer->srtt_us >> 3; + return true; } EXPORT_SYMBOL(rxrpc_kernel_get_srtt); diff --git a/net/rxrpc/recvmsg.c b/net/rxrpc/recvmsg.c index efecc5a8f67d74..2c842851d72e51 100644 --- a/net/rxrpc/recvmsg.c +++ b/net/rxrpc/recvmsg.c @@ -179,37 +179,6 @@ static int rxrpc_recvmsg_term(struct rxrpc_call *call, struct msghdr *msg) } /* - * Pass back notification of a new call. The call is added to the - * to-be-accepted list. This means that the next call to be accepted might not - * be the last call seen awaiting acceptance, but unless we leave this on the - * front of the queue and block all other messages until someone gives us a - * user_ID for it, there's not a lot we can do. - */ -static int rxrpc_recvmsg_new_call(struct rxrpc_sock *rx, - struct rxrpc_call *call, - struct msghdr *msg, int flags) -{ - int tmp = 0, ret; - - ret = put_cmsg(msg, SOL_RXRPC, RXRPC_NEW_CALL, 0, &tmp); - - if (ret == 0 && !(flags & MSG_PEEK)) { - _debug("to be accepted"); - write_lock_bh(&rx->recvmsg_lock); - list_del_init(&call->recvmsg_link); - write_unlock_bh(&rx->recvmsg_lock); - - rxrpc_get_call(call, rxrpc_call_got); - write_lock(&rx->call_lock); - list_add_tail(&call->accept_link, &rx->to_be_accepted); - write_unlock(&rx->call_lock); - } - - trace_rxrpc_recvmsg(call, rxrpc_recvmsg_to_be_accepted, 1, 0, 0, ret); - return ret; -} - -/* * End the packet reception phase. */ static void rxrpc_end_rx_phase(struct rxrpc_call *call, rxrpc_serial_t serial) @@ -630,9 +599,6 @@ try_again: } switch (READ_ONCE(call->state)) { - case RXRPC_CALL_SERVER_ACCEPTING: - ret = rxrpc_recvmsg_new_call(rx, call, msg, flags); - break; case RXRPC_CALL_CLIENT_RECV_REPLY: case RXRPC_CALL_SERVER_RECV_REQUEST: case RXRPC_CALL_SERVER_ACK_REQUEST: @@ -728,7 +694,7 @@ int rxrpc_kernel_recv_data(struct socket *sock, struct rxrpc_call *call, call->debug_id, rxrpc_call_states[call->state], iov_iter_count(iter), want_more); - ASSERTCMP(call->state, !=, RXRPC_CALL_SERVER_ACCEPTING); + ASSERTCMP(call->state, !=, RXRPC_CALL_SERVER_SECURING); mutex_lock(&call->user_mutex); @@ -776,7 +742,7 @@ out: case RXRPC_ACK_DELAY: if (ret != -EAGAIN) break; - /* Fall through */ + fallthrough; default: rxrpc_send_ack_packet(call, false, NULL); } diff --git a/net/rxrpc/rtt.c b/net/rxrpc/rtt.c index 928d8b34a3eeee..1221b0637a7ecc 100644 --- a/net/rxrpc/rtt.c +++ b/net/rxrpc/rtt.c @@ -146,6 +146,7 @@ static void rxrpc_ack_update_rtt(struct rxrpc_peer *peer, long rtt_us) * exclusive access to the peer RTT data. */ void rxrpc_peer_add_rtt(struct rxrpc_call *call, enum rxrpc_rtt_rx_trace why, + int rtt_slot, rxrpc_serial_t send_serial, rxrpc_serial_t resp_serial, ktime_t send_time, ktime_t resp_time) { @@ -162,7 +163,7 @@ void rxrpc_peer_add_rtt(struct rxrpc_call *call, enum rxrpc_rtt_rx_trace why, peer->rtt_count++; spin_unlock(&peer->rtt_input_lock); - trace_rxrpc_rtt_rx(call, why, send_serial, resp_serial, + trace_rxrpc_rtt_rx(call, why, rtt_slot, send_serial, resp_serial, peer->srtt_us >> 3, peer->rto_j); } diff --git a/net/rxrpc/rxkad.c b/net/rxrpc/rxkad.c index 52a24d4ef5d8a8..e08130e5746b55 100644 --- a/net/rxrpc/rxkad.c +++ b/net/rxrpc/rxkad.c @@ -1137,7 +1137,7 @@ static int rxkad_verify_response(struct rxrpc_connection *conn, ret = -ENOMEM; ticket = kmalloc(ticket_len, GFP_NOFS); if (!ticket) - goto temporary_error; + goto temporary_error_free_resp; eproto = tracepoint_string("rxkad_tkt_short"); abort_code = RXKADPACKETSHORT; @@ -1230,6 +1230,7 @@ protocol_error: temporary_error_free_ticket: kfree(ticket); +temporary_error_free_resp: kfree(response); temporary_error: /* Ignore the response packet if we got a temporary error such as diff --git a/net/rxrpc/sendmsg.c b/net/rxrpc/sendmsg.c index f3f6da6e4ad29c..d27140c836cce1 100644 --- a/net/rxrpc/sendmsg.c +++ b/net/rxrpc/sendmsg.c @@ -241,7 +241,7 @@ static int rxrpc_queue_packet(struct rxrpc_sock *rx, struct rxrpc_call *call, trace_rxrpc_timer(call, rxrpc_timer_init_for_send_reply, now); if (!last) break; - /* Fall through */ + fallthrough; case RXRPC_CALL_SERVER_SEND_REPLY: call->state = RXRPC_CALL_SERVER_AWAIT_ACK; rxrpc_notify_end_tx(rx, call, notify_end_tx); @@ -530,10 +530,10 @@ static int rxrpc_sendmsg_cmsg(struct msghdr *msg, struct rxrpc_send_params *p) return -EINVAL; break; - case RXRPC_ACCEPT: + case RXRPC_CHARGE_ACCEPT: if (p->command != RXRPC_CMD_SEND_DATA) return -EINVAL; - p->command = RXRPC_CMD_ACCEPT; + p->command = RXRPC_CMD_CHARGE_ACCEPT; if (len != 0) return -EINVAL; break; @@ -659,16 +659,12 @@ int rxrpc_do_sendmsg(struct rxrpc_sock *rx, struct msghdr *msg, size_t len) if (ret < 0) goto error_release_sock; - if (p.command == RXRPC_CMD_ACCEPT) { + if (p.command == RXRPC_CMD_CHARGE_ACCEPT) { ret = -EINVAL; if (rx->sk.sk_state != RXRPC_SERVER_LISTENING) goto error_release_sock; - call = rxrpc_accept_call(rx, p.call.user_call_ID, NULL); - /* The socket is now unlocked. */ - if (IS_ERR(call)) - return PTR_ERR(call); - ret = 0; - goto out_put_unlock; + ret = rxrpc_user_charge_accept(rx, p.call.user_call_ID); + goto error_release_sock; } call = rxrpc_find_call_by_user_ID(rx, p.call.user_call_ID); @@ -690,7 +686,6 @@ int rxrpc_do_sendmsg(struct rxrpc_sock *rx, struct msghdr *msg, size_t len) case RXRPC_CALL_CLIENT_AWAIT_CONN: case RXRPC_CALL_SERVER_PREALLOC: case RXRPC_CALL_SERVER_SECURING: - case RXRPC_CALL_SERVER_ACCEPTING: rxrpc_put_call(call, rxrpc_call_put); ret = -EBUSY; goto error_release_sock; @@ -721,13 +716,13 @@ int rxrpc_do_sendmsg(struct rxrpc_sock *rx, struct msghdr *msg, size_t len) if (p.call.timeouts.normal > 0 && j == 0) j = 1; WRITE_ONCE(call->next_rx_timo, j); - /* Fall through */ + fallthrough; case 2: j = msecs_to_jiffies(p.call.timeouts.idle); if (p.call.timeouts.idle > 0 && j == 0) j = 1; WRITE_ONCE(call->next_req_timo, j); - /* Fall through */ + fallthrough; case 1: if (p.call.timeouts.hard > 0) { j = msecs_to_jiffies(p.call.timeouts.hard); diff --git a/net/sched/act_api.c b/net/sched/act_api.c index 063d8aaf290061..798430e1a79f1e 100644 --- a/net/sched/act_api.c +++ b/net/sched/act_api.c @@ -235,6 +235,8 @@ static int tcf_dump_walker(struct tcf_idrinfo *idrinfo, struct sk_buff *skb, index++; if (index < s_i) continue; + if (IS_ERR(p)) + continue; if (jiffy_since && time_after(jiffy_since, @@ -307,6 +309,8 @@ static int tcf_del_walker(struct tcf_idrinfo *idrinfo, struct sk_buff *skb, mutex_lock(&idrinfo->lock); idr_for_each_entry_ul(idr, p, tmp, id) { + if (IS_ERR(p)) + continue; ret = tcf_idr_release_unsafe(p); if (ret == ACT_P_DELETED) { module_put(ops->owner); @@ -467,17 +471,6 @@ int tcf_idr_create_from_flags(struct tc_action_net *tn, u32 index, } EXPORT_SYMBOL(tcf_idr_create_from_flags); -void tcf_idr_insert(struct tc_action_net *tn, struct tc_action *a) -{ - struct tcf_idrinfo *idrinfo = tn->idrinfo; - - mutex_lock(&idrinfo->lock); - /* Replace ERR_PTR(-EBUSY) allocated by tcf_idr_check_alloc */ - WARN_ON(!IS_ERR(idr_replace(&idrinfo->action_idr, a, a->tcfa_index))); - mutex_unlock(&idrinfo->lock); -} -EXPORT_SYMBOL(tcf_idr_insert); - /* Cleanup idr index that was allocated but not initialized. */ void tcf_idr_cleanup(struct tc_action_net *tn, u32 index) @@ -731,13 +724,6 @@ int tcf_action_destroy(struct tc_action *actions[], int bind) return ret; } -static int tcf_action_destroy_1(struct tc_action *a, int bind) -{ - struct tc_action *actions[] = { a, NULL }; - - return tcf_action_destroy(actions, bind); -} - static int tcf_action_put(struct tc_action *p) { return __tcf_action_put(p, false); @@ -902,6 +888,26 @@ static const struct nla_policy tcf_action_policy[TCA_ACT_MAX + 1] = { [TCA_ACT_HW_STATS] = NLA_POLICY_BITFIELD32(TCA_ACT_HW_STATS_ANY), }; +static void tcf_idr_insert_many(struct tc_action *actions[]) +{ + int i; + + for (i = 0; i < TCA_ACT_MAX_PRIO; i++) { + struct tc_action *a = actions[i]; + struct tcf_idrinfo *idrinfo; + + if (!a) + continue; + idrinfo = a->idrinfo; + mutex_lock(&idrinfo->lock); + /* Replace ERR_PTR(-EBUSY) allocated by tcf_idr_check_alloc if + * it is just created, otherwise this is just a nop. + */ + idr_replace(&idrinfo->action_idr, a, a->tcfa_index); + mutex_unlock(&idrinfo->lock); + } +} + struct tc_action *tcf_action_init_1(struct net *net, struct tcf_proto *tp, struct nlattr *nla, struct nlattr *est, char *name, int ovr, int bind, @@ -1002,13 +1008,6 @@ struct tc_action *tcf_action_init_1(struct net *net, struct tcf_proto *tp, if (err != ACT_P_CREATED) module_put(a_o->owner); - if (TC_ACT_EXT_CMP(a->tcfa_action, TC_ACT_GOTO_CHAIN) && - !rcu_access_pointer(a->goto_chain)) { - tcf_action_destroy_1(a, bind); - NL_SET_ERR_MSG(extack, "can't use goto chain with NULL chain"); - return ERR_PTR(-EINVAL); - } - return a; err_mod: @@ -1051,6 +1050,11 @@ int tcf_action_init(struct net *net, struct tcf_proto *tp, struct nlattr *nla, actions[i - 1] = act; } + /* We have to commit them all together, because if any error happened in + * between, we could not handle the failure gracefully. + */ + tcf_idr_insert_many(actions); + *attr_size = tcf_action_full_attrs_size(sz); return i - 1; diff --git a/net/sched/act_bpf.c b/net/sched/act_bpf.c index 54d5652cfe6ca3..a4c7ba35a3438a 100644 --- a/net/sched/act_bpf.c +++ b/net/sched/act_bpf.c @@ -365,9 +365,7 @@ static int tcf_bpf_init(struct net *net, struct nlattr *nla, if (goto_ch) tcf_chain_put_by_act(goto_ch); - if (res == ACT_P_CREATED) { - tcf_idr_insert(tn, *act); - } else { + if (res != ACT_P_CREATED) { /* make sure the program being replaced is no longer executing */ synchronize_rcu(); tcf_bpf_cfg_cleanup(&old); diff --git a/net/sched/act_connmark.c b/net/sched/act_connmark.c index f901421b0634d4..e19885d7fe2cba 100644 --- a/net/sched/act_connmark.c +++ b/net/sched/act_connmark.c @@ -139,7 +139,6 @@ static int tcf_connmark_init(struct net *net, struct nlattr *nla, ci->net = net; ci->zone = parm->zone; - tcf_idr_insert(tn, *a); ret = ACT_P_CREATED; } else if (ret > 0) { ci = to_connmark(*a); diff --git a/net/sched/act_csum.c b/net/sched/act_csum.c index f5826e457679f3..4fa4fcb842ba7c 100644 --- a/net/sched/act_csum.c +++ b/net/sched/act_csum.c @@ -110,9 +110,6 @@ static int tcf_csum_init(struct net *net, struct nlattr *nla, if (params_new) kfree_rcu(params_new, rcu); - if (ret == ACT_P_CREATED) - tcf_idr_insert(tn, *a); - return ret; put_chain: if (goto_ch) diff --git a/net/sched/act_ct.c b/net/sched/act_ct.c index 2c3619165680fd..a780afdf570d23 100644 --- a/net/sched/act_ct.c +++ b/net/sched/act_ct.c @@ -1297,8 +1297,6 @@ static int tcf_ct_init(struct net *net, struct nlattr *nla, tcf_chain_put_by_act(goto_ch); if (params) call_rcu(¶ms->rcu, tcf_ct_params_free); - if (res == ACT_P_CREATED) - tcf_idr_insert(tn, *a); return res; diff --git a/net/sched/act_ctinfo.c b/net/sched/act_ctinfo.c index b5042f3ea079e2..6084300e51adb0 100644 --- a/net/sched/act_ctinfo.c +++ b/net/sched/act_ctinfo.c @@ -269,9 +269,6 @@ static int tcf_ctinfo_init(struct net *net, struct nlattr *nla, if (cp_new) kfree_rcu(cp_new, rcu); - if (ret == ACT_P_CREATED) - tcf_idr_insert(tn, *a); - return ret; put_chain: diff --git a/net/sched/act_gact.c b/net/sched/act_gact.c index 410e3bbfb9ca3b..73c3926358a066 100644 --- a/net/sched/act_gact.c +++ b/net/sched/act_gact.c @@ -140,8 +140,6 @@ static int tcf_gact_init(struct net *net, struct nlattr *nla, if (goto_ch) tcf_chain_put_by_act(goto_ch); - if (ret == ACT_P_CREATED) - tcf_idr_insert(tn, *a); return ret; release_idr: tcf_idr_release(*a, bind); diff --git a/net/sched/act_gate.c b/net/sched/act_gate.c index 1fb8d428d2c165..7c0771dd77a391 100644 --- a/net/sched/act_gate.c +++ b/net/sched/act_gate.c @@ -437,9 +437,6 @@ static int tcf_gate_init(struct net *net, struct nlattr *nla, if (goto_ch) tcf_chain_put_by_act(goto_ch); - if (ret == ACT_P_CREATED) - tcf_idr_insert(tn, *a); - return ret; chain_put: diff --git a/net/sched/act_ife.c b/net/sched/act_ife.c index c1fcd85719d6a7..a2ddea04183afb 100644 --- a/net/sched/act_ife.c +++ b/net/sched/act_ife.c @@ -436,6 +436,25 @@ static void tcf_ife_cleanup(struct tc_action *a) kfree_rcu(p, rcu); } +static int load_metalist(struct nlattr **tb, bool rtnl_held) +{ + int i; + + for (i = 1; i < max_metacnt; i++) { + if (tb[i]) { + void *val = nla_data(tb[i]); + int len = nla_len(tb[i]); + int rc; + + rc = load_metaops_and_vet(i, val, len, rtnl_held); + if (rc != 0) + return rc; + } + } + + return 0; +} + static int populate_metalist(struct tcf_ife_info *ife, struct nlattr **tb, bool exists, bool rtnl_held) { @@ -449,10 +468,6 @@ static int populate_metalist(struct tcf_ife_info *ife, struct nlattr **tb, val = nla_data(tb[i]); len = nla_len(tb[i]); - rc = load_metaops_and_vet(i, val, len, rtnl_held); - if (rc != 0) - return rc; - rc = add_metainfo(ife, i, val, len, exists); if (rc) return rc; @@ -509,6 +524,21 @@ static int tcf_ife_init(struct net *net, struct nlattr *nla, if (!p) return -ENOMEM; + if (tb[TCA_IFE_METALST]) { + err = nla_parse_nested_deprecated(tb2, IFE_META_MAX, + tb[TCA_IFE_METALST], NULL, + NULL); + if (err) { + kfree(p); + return err; + } + err = load_metalist(tb2, rtnl_held); + if (err) { + kfree(p); + return err; + } + } + index = parm->index; err = tcf_idr_check_alloc(tn, &index, a, bind); if (err < 0) { @@ -570,15 +600,9 @@ static int tcf_ife_init(struct net *net, struct nlattr *nla, } if (tb[TCA_IFE_METALST]) { - err = nla_parse_nested_deprecated(tb2, IFE_META_MAX, - tb[TCA_IFE_METALST], NULL, - NULL); - if (err) - goto metadata_parse_err; err = populate_metalist(ife, tb2, exists, rtnl_held); if (err) goto metadata_parse_err; - } else { /* if no passed metadata allow list or passed allow-all * then here we process by adding as many supported metadatum @@ -603,9 +627,6 @@ static int tcf_ife_init(struct net *net, struct nlattr *nla, if (p) kfree_rcu(p, rcu); - if (ret == ACT_P_CREATED) - tcf_idr_insert(tn, *a); - return ret; metadata_parse_err: if (goto_ch) diff --git a/net/sched/act_ipt.c b/net/sched/act_ipt.c index 400a2cfe84522a..8dc3bec0d3258a 100644 --- a/net/sched/act_ipt.c +++ b/net/sched/act_ipt.c @@ -189,8 +189,6 @@ static int __tcf_ipt_init(struct net *net, unsigned int id, struct nlattr *nla, ipt->tcfi_t = t; ipt->tcfi_hook = hook; spin_unlock_bh(&ipt->tcf_lock); - if (ret == ACT_P_CREATED) - tcf_idr_insert(tn, *a); return ret; err3: diff --git a/net/sched/act_mirred.c b/net/sched/act_mirred.c index b2705318993b5f..e24b7e2331cdd2 100644 --- a/net/sched/act_mirred.c +++ b/net/sched/act_mirred.c @@ -194,8 +194,6 @@ static int tcf_mirred_init(struct net *net, struct nlattr *nla, spin_lock(&mirred_list_lock); list_add(&m->tcfm_list, &mirred_list); spin_unlock(&mirred_list_lock); - - tcf_idr_insert(tn, *a); } return ret; diff --git a/net/sched/act_mpls.c b/net/sched/act_mpls.c index 8118e26409796a..e298ec3b3c9e36 100644 --- a/net/sched/act_mpls.c +++ b/net/sched/act_mpls.c @@ -273,8 +273,6 @@ static int tcf_mpls_init(struct net *net, struct nlattr *nla, if (p) kfree_rcu(p, rcu); - if (ret == ACT_P_CREATED) - tcf_idr_insert(tn, *a); return ret; put_chain: if (goto_ch) diff --git a/net/sched/act_nat.c b/net/sched/act_nat.c index 855a6fa16a621d..1ebd2a86d980fc 100644 --- a/net/sched/act_nat.c +++ b/net/sched/act_nat.c @@ -93,9 +93,6 @@ static int tcf_nat_init(struct net *net, struct nlattr *nla, struct nlattr *est, if (goto_ch) tcf_chain_put_by_act(goto_ch); - if (ret == ACT_P_CREATED) - tcf_idr_insert(tn, *a); - return ret; release_idr: tcf_idr_release(*a, bind); diff --git a/net/sched/act_pedit.c b/net/sched/act_pedit.c index c158bfed86d570..b45304446e13d0 100644 --- a/net/sched/act_pedit.c +++ b/net/sched/act_pedit.c @@ -238,8 +238,6 @@ static int tcf_pedit_init(struct net *net, struct nlattr *nla, spin_unlock_bh(&p->tcf_lock); if (goto_ch) tcf_chain_put_by_act(goto_ch); - if (ret == ACT_P_CREATED) - tcf_idr_insert(tn, *a); return ret; put_chain: diff --git a/net/sched/act_police.c b/net/sched/act_police.c index 0b431d49376861..8d8452b1cdd428 100644 --- a/net/sched/act_police.c +++ b/net/sched/act_police.c @@ -201,8 +201,6 @@ static int tcf_police_init(struct net *net, struct nlattr *nla, if (new) kfree_rcu(new, rcu); - if (ret == ACT_P_CREATED) - tcf_idr_insert(tn, *a); return ret; failure: diff --git a/net/sched/act_sample.c b/net/sched/act_sample.c index 5e2df590bb58ad..3ebf9ede3cf10c 100644 --- a/net/sched/act_sample.c +++ b/net/sched/act_sample.c @@ -116,8 +116,6 @@ static int tcf_sample_init(struct net *net, struct nlattr *nla, if (goto_ch) tcf_chain_put_by_act(goto_ch); - if (ret == ACT_P_CREATED) - tcf_idr_insert(tn, *a); return ret; put_chain: if (goto_ch) diff --git a/net/sched/act_simple.c b/net/sched/act_simple.c index 9813ca4006dd1d..a4f3d0f0daa969 100644 --- a/net/sched/act_simple.c +++ b/net/sched/act_simple.c @@ -157,8 +157,6 @@ static int tcf_simp_init(struct net *net, struct nlattr *nla, goto release_idr; } - if (ret == ACT_P_CREATED) - tcf_idr_insert(tn, *a); return ret; put_chain: if (goto_ch) diff --git a/net/sched/act_skbedit.c b/net/sched/act_skbedit.c index d0652386c6e2be..e5f3fb8b00e32a 100644 --- a/net/sched/act_skbedit.c +++ b/net/sched/act_skbedit.c @@ -225,8 +225,6 @@ static int tcf_skbedit_init(struct net *net, struct nlattr *nla, if (goto_ch) tcf_chain_put_by_act(goto_ch); - if (ret == ACT_P_CREATED) - tcf_idr_insert(tn, *a); return ret; put_chain: if (goto_ch) diff --git a/net/sched/act_skbmod.c b/net/sched/act_skbmod.c index 39e6d94cfafbf7..81a1c67335be62 100644 --- a/net/sched/act_skbmod.c +++ b/net/sched/act_skbmod.c @@ -190,8 +190,6 @@ static int tcf_skbmod_init(struct net *net, struct nlattr *nla, if (goto_ch) tcf_chain_put_by_act(goto_ch); - if (ret == ACT_P_CREATED) - tcf_idr_insert(tn, *a); return ret; put_chain: if (goto_ch) diff --git a/net/sched/act_tunnel_key.c b/net/sched/act_tunnel_key.c index 536c4bc31be60c..a229751ee8c462 100644 --- a/net/sched/act_tunnel_key.c +++ b/net/sched/act_tunnel_key.c @@ -156,6 +156,7 @@ tunnel_key_copy_vxlan_opt(const struct nlattr *nla, void *dst, int dst_len, struct vxlan_metadata *md = dst; md->gbp = nla_get_u32(tb[TCA_TUNNEL_KEY_ENC_OPT_VXLAN_GBP]); + md->gbp &= VXLAN_GBP_MASK; } return sizeof(struct vxlan_metadata); @@ -536,9 +537,6 @@ static int tunnel_key_init(struct net *net, struct nlattr *nla, if (goto_ch) tcf_chain_put_by_act(goto_ch); - if (ret == ACT_P_CREATED) - tcf_idr_insert(tn, *a); - return ret; put_chain: diff --git a/net/sched/act_vlan.c b/net/sched/act_vlan.c index a5ff9f68ab023a..163b0385fd4c0e 100644 --- a/net/sched/act_vlan.c +++ b/net/sched/act_vlan.c @@ -229,8 +229,6 @@ static int tcf_vlan_init(struct net *net, struct nlattr *nla, if (p) kfree_rcu(p, rcu); - if (ret == ACT_P_CREATED) - tcf_idr_insert(tn, *a); return ret; put_chain: if (goto_ch) diff --git a/net/sched/cls_flower.c b/net/sched/cls_flower.c index a4f7ef1de7e787..fed18fd2c50ba9 100644 --- a/net/sched/cls_flower.c +++ b/net/sched/cls_flower.c @@ -1175,8 +1175,10 @@ static int fl_set_vxlan_opt(const struct nlattr *nla, struct fl_flow_key *key, return -EINVAL; } - if (tb[TCA_FLOWER_KEY_ENC_OPT_VXLAN_GBP]) + if (tb[TCA_FLOWER_KEY_ENC_OPT_VXLAN_GBP]) { md->gbp = nla_get_u32(tb[TCA_FLOWER_KEY_ENC_OPT_VXLAN_GBP]); + md->gbp &= VXLAN_GBP_MASK; + } return sizeof(*md); } @@ -1221,6 +1223,7 @@ static int fl_set_erspan_opt(const struct nlattr *nla, struct fl_flow_key *key, } if (tb[TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX]) { nla = tb[TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX]; + memset(&md->u, 0x00, sizeof(md->u)); md->u.index = nla_get_be32(nla); } } else if (md->version == 2) { diff --git a/net/sched/sch_cake.c b/net/sched/sch_cake.c index 0618b63f87c410..7d37638ee1c7a9 100644 --- a/net/sched/sch_cake.c +++ b/net/sched/sch_cake.c @@ -1670,7 +1670,7 @@ static u32 cake_classify(struct Qdisc *sch, struct cake_tin_data **t, case TC_ACT_QUEUED: case TC_ACT_TRAP: *qerr = NET_XMIT_SUCCESS | __NET_XMIT_STOLEN; - /* fall through */ + fallthrough; case TC_ACT_SHOT: return 0; } diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c index 265a61d011dfaa..54c417244642a1 100644 --- a/net/sched/sch_generic.c +++ b/net/sched/sch_generic.c @@ -1131,24 +1131,10 @@ EXPORT_SYMBOL(dev_activate); static void qdisc_deactivate(struct Qdisc *qdisc) { - bool nolock = qdisc->flags & TCQ_F_NOLOCK; - if (qdisc->flags & TCQ_F_BUILTIN) return; - if (test_bit(__QDISC_STATE_DEACTIVATED, &qdisc->state)) - return; - - if (nolock) - spin_lock_bh(&qdisc->seqlock); - spin_lock_bh(qdisc_lock(qdisc)); set_bit(__QDISC_STATE_DEACTIVATED, &qdisc->state); - - qdisc_reset(qdisc); - - spin_unlock_bh(qdisc_lock(qdisc)); - if (nolock) - spin_unlock_bh(&qdisc->seqlock); } static void dev_deactivate_queue(struct net_device *dev, @@ -1165,6 +1151,30 @@ static void dev_deactivate_queue(struct net_device *dev, } } +static void dev_reset_queue(struct net_device *dev, + struct netdev_queue *dev_queue, + void *_unused) +{ + struct Qdisc *qdisc; + bool nolock; + + qdisc = dev_queue->qdisc_sleeping; + if (!qdisc) + return; + + nolock = qdisc->flags & TCQ_F_NOLOCK; + + if (nolock) + spin_lock_bh(&qdisc->seqlock); + spin_lock_bh(qdisc_lock(qdisc)); + + qdisc_reset(qdisc); + + spin_unlock_bh(qdisc_lock(qdisc)); + if (nolock) + spin_unlock_bh(&qdisc->seqlock); +} + static bool some_qdisc_is_busy(struct net_device *dev) { unsigned int i; @@ -1213,12 +1223,20 @@ void dev_deactivate_many(struct list_head *head) dev_watchdog_down(dev); } - /* Wait for outstanding qdisc-less dev_queue_xmit calls. + /* Wait for outstanding qdisc-less dev_queue_xmit calls or + * outstanding qdisc enqueuing calls. * This is avoided if all devices are in dismantle phase : * Caller will call synchronize_net() for us */ synchronize_net(); + list_for_each_entry(dev, head, close_list) { + netdev_for_each_tx_queue(dev, dev_reset_queue, NULL); + + if (dev_ingress_queue(dev)) + dev_reset_queue(dev, dev_ingress_queue(dev), NULL); + } + /* Wait for outstanding qdisc_run calls. */ list_for_each_entry(dev, head, close_list) { while (some_qdisc_is_busy(dev)) { diff --git a/net/sched/sch_red.c b/net/sched/sch_red.c index deac82f3ad7b86..e89fab6ccb34f7 100644 --- a/net/sched/sch_red.c +++ b/net/sched/sch_red.c @@ -353,23 +353,11 @@ static int red_init(struct Qdisc *sch, struct nlattr *opt, FLOW_BLOCK_BINDER_TYPE_RED_EARLY_DROP, tb[TCA_RED_EARLY_DROP_BLOCK], extack); if (err) - goto err_early_drop_init; - - err = tcf_qevent_init(&q->qe_mark, sch, - FLOW_BLOCK_BINDER_TYPE_RED_MARK, - tb[TCA_RED_MARK_BLOCK], extack); - if (err) - goto err_mark_init; - - return 0; + return err; -err_mark_init: - tcf_qevent_destroy(&q->qe_early_drop, sch); -err_early_drop_init: - del_timer_sync(&q->adapt_timer); - red_offload(sch, false); - qdisc_put(q->qdisc); - return err; + return tcf_qevent_init(&q->qe_mark, sch, + FLOW_BLOCK_BINDER_TYPE_RED_MARK, + tb[TCA_RED_MARK_BLOCK], extack); } static int red_change(struct Qdisc *sch, struct nlattr *opt, diff --git a/net/sched/sch_taprio.c b/net/sched/sch_taprio.c index e981992634ddfe..b0ad7687ee2c85 100644 --- a/net/sched/sch_taprio.c +++ b/net/sched/sch_taprio.c @@ -777,9 +777,11 @@ static const struct nla_policy taprio_policy[TCA_TAPRIO_ATTR_MAX + 1] = { [TCA_TAPRIO_ATTR_TXTIME_DELAY] = { .type = NLA_U32 }, }; -static int fill_sched_entry(struct nlattr **tb, struct sched_entry *entry, +static int fill_sched_entry(struct taprio_sched *q, struct nlattr **tb, + struct sched_entry *entry, struct netlink_ext_ack *extack) { + int min_duration = length_to_duration(q, ETH_ZLEN); u32 interval = 0; if (tb[TCA_TAPRIO_SCHED_ENTRY_CMD]) @@ -794,7 +796,10 @@ static int fill_sched_entry(struct nlattr **tb, struct sched_entry *entry, interval = nla_get_u32( tb[TCA_TAPRIO_SCHED_ENTRY_INTERVAL]); - if (interval == 0) { + /* The interval should allow at least the minimum ethernet + * frame to go out. + */ + if (interval < min_duration) { NL_SET_ERR_MSG(extack, "Invalid interval for schedule entry"); return -EINVAL; } @@ -804,8 +809,9 @@ static int fill_sched_entry(struct nlattr **tb, struct sched_entry *entry, return 0; } -static int parse_sched_entry(struct nlattr *n, struct sched_entry *entry, - int index, struct netlink_ext_ack *extack) +static int parse_sched_entry(struct taprio_sched *q, struct nlattr *n, + struct sched_entry *entry, int index, + struct netlink_ext_ack *extack) { struct nlattr *tb[TCA_TAPRIO_SCHED_ENTRY_MAX + 1] = { }; int err; @@ -819,10 +825,10 @@ static int parse_sched_entry(struct nlattr *n, struct sched_entry *entry, entry->index = index; - return fill_sched_entry(tb, entry, extack); + return fill_sched_entry(q, tb, entry, extack); } -static int parse_sched_list(struct nlattr *list, +static int parse_sched_list(struct taprio_sched *q, struct nlattr *list, struct sched_gate_list *sched, struct netlink_ext_ack *extack) { @@ -847,7 +853,7 @@ static int parse_sched_list(struct nlattr *list, return -ENOMEM; } - err = parse_sched_entry(n, entry, i, extack); + err = parse_sched_entry(q, n, entry, i, extack); if (err < 0) { kfree(entry); return err; @@ -862,7 +868,7 @@ static int parse_sched_list(struct nlattr *list, return i; } -static int parse_taprio_schedule(struct nlattr **tb, +static int parse_taprio_schedule(struct taprio_sched *q, struct nlattr **tb, struct sched_gate_list *new, struct netlink_ext_ack *extack) { @@ -883,8 +889,8 @@ static int parse_taprio_schedule(struct nlattr **tb, new->cycle_time = nla_get_s64(tb[TCA_TAPRIO_ATTR_SCHED_CYCLE_TIME]); if (tb[TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST]) - err = parse_sched_list( - tb[TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST], new, extack); + err = parse_sched_list(q, tb[TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST], + new, extack); if (err < 0) return err; @@ -1176,9 +1182,27 @@ static void taprio_offload_config_changed(struct taprio_sched *q) spin_unlock(&q->current_entry_lock); } -static void taprio_sched_to_offload(struct taprio_sched *q, +static u32 tc_map_to_queue_mask(struct net_device *dev, u32 tc_mask) +{ + u32 i, queue_mask = 0; + + for (i = 0; i < dev->num_tc; i++) { + u32 offset, count; + + if (!(tc_mask & BIT(i))) + continue; + + offset = dev->tc_to_txq[i].offset; + count = dev->tc_to_txq[i].count; + + queue_mask |= GENMASK(offset + count - 1, offset); + } + + return queue_mask; +} + +static void taprio_sched_to_offload(struct net_device *dev, struct sched_gate_list *sched, - const struct tc_mqprio_qopt *mqprio, struct tc_taprio_qopt_offload *offload) { struct sched_entry *entry; @@ -1193,7 +1217,8 @@ static void taprio_sched_to_offload(struct taprio_sched *q, e->command = entry->command; e->interval = entry->interval; - e->gate_mask = entry->gate_mask; + e->gate_mask = tc_map_to_queue_mask(dev, entry->gate_mask); + i++; } @@ -1201,7 +1226,6 @@ static void taprio_sched_to_offload(struct taprio_sched *q, } static int taprio_enable_offload(struct net_device *dev, - struct tc_mqprio_qopt *mqprio, struct taprio_sched *q, struct sched_gate_list *sched, struct netlink_ext_ack *extack) @@ -1223,7 +1247,7 @@ static int taprio_enable_offload(struct net_device *dev, return -ENOMEM; } offload->enable = 1; - taprio_sched_to_offload(q, sched, mqprio, offload); + taprio_sched_to_offload(dev, sched, offload); err = ops->ndo_setup_tc(dev, TC_SETUP_QDISC_TAPRIO, offload); if (err < 0) { @@ -1455,7 +1479,7 @@ static int taprio_change(struct Qdisc *sch, struct nlattr *opt, goto free_sched; } - err = parse_taprio_schedule(tb, new_admin, extack); + err = parse_taprio_schedule(q, tb, new_admin, extack); if (err < 0) goto free_sched; @@ -1485,7 +1509,7 @@ static int taprio_change(struct Qdisc *sch, struct nlattr *opt, } if (FULL_OFFLOAD_IS_ENABLED(q->flags)) - err = taprio_enable_offload(dev, mqprio, q, new_admin, extack); + err = taprio_enable_offload(dev, q, new_admin, extack); else err = taprio_disable_offload(dev, q, extack); if (err) diff --git a/net/sctp/auth.c b/net/sctp/auth.c index 9e289c770574f6..7e59d8a18f3e40 100644 --- a/net/sctp/auth.c +++ b/net/sctp/auth.c @@ -494,6 +494,7 @@ int sctp_auth_init_hmacs(struct sctp_endpoint *ep, gfp_t gfp) out_err: /* Clean up any successful allocations */ sctp_auth_destroy_hmacs(ep->auth_hmacs); + ep->auth_hmacs = NULL; return -ENOMEM; } diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c index aea2a982984d02..8a58f42d6d1954 100644 --- a/net/sctp/ipv6.c +++ b/net/sctp/ipv6.c @@ -875,7 +875,7 @@ static int sctp_inet6_af_supported(sa_family_t family, struct sctp_sock *sp) case AF_INET: if (!__ipv6_only_sock(sctp_opt2sk(sp))) return 1; - /* fallthru */ + fallthrough; default: return 0; } diff --git a/net/sctp/outqueue.c b/net/sctp/outqueue.c index 577e3bc4ee6f16..3fd06a27105ddb 100644 --- a/net/sctp/outqueue.c +++ b/net/sctp/outqueue.c @@ -912,7 +912,7 @@ static void sctp_outq_flush_ctrl(struct sctp_flush_ctx *ctx) case SCTP_CID_ABORT: if (sctp_test_T_bit(chunk)) ctx->packet->vtag = ctx->asoc->c.my_vtag; - /* fallthru */ + fallthrough; /* The following chunks are "response" chunks, i.e. * they are generated in response to something we @@ -927,7 +927,7 @@ static void sctp_outq_flush_ctrl(struct sctp_flush_ctx *ctx) case SCTP_CID_ECN_CWR: case SCTP_CID_ASCONF_ACK: one_packet = 1; - /* Fall through */ + fallthrough; case SCTP_CID_SACK: case SCTP_CID_HEARTBEAT: @@ -1030,7 +1030,7 @@ static void sctp_outq_flush_data(struct sctp_flush_ctx *ctx, if (!ctx->packet || !ctx->packet->has_cookie_echo) return; - /* fall through */ + fallthrough; case SCTP_STATE_ESTABLISHED: case SCTP_STATE_SHUTDOWN_PENDING: case SCTP_STATE_SHUTDOWN_RECEIVED: diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c index 47910470e53283..c11c24524652c5 100644 --- a/net/sctp/sm_make_chunk.c +++ b/net/sctp/sm_make_chunk.c @@ -2077,7 +2077,7 @@ static enum sctp_ierror sctp_process_unk_param( break; case SCTP_PARAM_ACTION_DISCARD_ERR: retval = SCTP_IERROR_ERROR; - /* Fall through */ + fallthrough; case SCTP_PARAM_ACTION_SKIP_ERR: /* Make an ERROR chunk, preparing enough room for * returning multiple unknown parameters. diff --git a/net/sctp/sm_sideeffect.c b/net/sctp/sm_sideeffect.c index 9f36fe911d082e..aa821e71f05e77 100644 --- a/net/sctp/sm_sideeffect.c +++ b/net/sctp/sm_sideeffect.c @@ -1516,7 +1516,7 @@ static int sctp_cmd_interpreter(enum sctp_event_type event_type, if (timer_pending(timer)) break; - /* fall through */ + fallthrough; case SCTP_CMD_TIMER_START: timer = &asoc->timers[cmd->obj.to]; diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c index e86620fbd90fd0..c669f8bd1eab2f 100644 --- a/net/sctp/sm_statefuns.c +++ b/net/sctp/sm_statefuns.c @@ -4315,7 +4315,7 @@ enum sctp_disposition sctp_sf_eat_auth(struct net *net, sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(err_chunk)); } - /* Fall Through */ + fallthrough; case SCTP_IERROR_AUTH_BAD_KEYID: case SCTP_IERROR_BAD_SIG: return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands); diff --git a/net/sctp/socket.c b/net/sctp/socket.c index ec1fba1fbe717a..53d0a4161df3f8 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -8060,8 +8060,6 @@ static int sctp_get_port_local(struct sock *sk, union sctp_addr *addr) pr_debug("%s: begins, snum:%d\n", __func__, snum); - local_bh_disable(); - if (snum == 0) { /* Search for an available port. */ int low, high, remaining, index; @@ -8079,20 +8077,21 @@ static int sctp_get_port_local(struct sock *sk, union sctp_addr *addr) continue; index = sctp_phashfn(net, rover); head = &sctp_port_hashtable[index]; - spin_lock(&head->lock); + spin_lock_bh(&head->lock); sctp_for_each_hentry(pp, &head->chain) if ((pp->port == rover) && net_eq(net, pp->net)) goto next; break; next: - spin_unlock(&head->lock); + spin_unlock_bh(&head->lock); + cond_resched(); } while (--remaining > 0); /* Exhausted local port range during search? */ ret = 1; if (remaining <= 0) - goto fail; + return ret; /* OK, here is the one we will use. HEAD (the port * hash table list entry) is non-NULL and we hold it's @@ -8107,7 +8106,7 @@ static int sctp_get_port_local(struct sock *sk, union sctp_addr *addr) * port iterator, pp being NULL. */ head = &sctp_port_hashtable[sctp_phashfn(net, snum)]; - spin_lock(&head->lock); + spin_lock_bh(&head->lock); sctp_for_each_hentry(pp, &head->chain) { if ((pp->port == snum) && net_eq(pp->net, net)) goto pp_found; @@ -8207,10 +8206,7 @@ success: ret = 0; fail_unlock: - spin_unlock(&head->lock); - -fail: - local_bh_enable(); + spin_unlock_bh(&head->lock); return ret; } @@ -9224,13 +9220,10 @@ void sctp_copy_sock(struct sock *newsk, struct sock *sk, static inline void sctp_copy_descendant(struct sock *sk_to, const struct sock *sk_from) { - int ancestor_size = sizeof(struct inet_sock) + - sizeof(struct sctp_sock) - - offsetof(struct sctp_sock, pd_lobby); - - if (sk_from->sk_family == PF_INET6) - ancestor_size += sizeof(struct ipv6_pinfo); + size_t ancestor_size = sizeof(struct inet_sock); + ancestor_size += sk_from->sk_prot->obj_size; + ancestor_size -= offsetof(struct sctp_sock, pd_lobby); __inet_sk_copy_descendant(sk_to, sk_from, ancestor_size); } diff --git a/net/smc/smc_close.c b/net/smc/smc_close.c index 290270c821ca47..0e7409e469c02d 100644 --- a/net/smc/smc_close.c +++ b/net/smc/smc_close.c @@ -116,7 +116,6 @@ static void smc_close_cancel_work(struct smc_sock *smc) cancel_work_sync(&smc->conn.close_work); cancel_delayed_work_sync(&smc->conn.tx_work); lock_sock(sk); - sk->sk_state = SMC_CLOSED; } /* terminate smc socket abnormally - active abort @@ -134,22 +133,22 @@ void smc_close_active_abort(struct smc_sock *smc) } switch (sk->sk_state) { case SMC_ACTIVE: - sk->sk_state = SMC_PEERABORTWAIT; - smc_close_cancel_work(smc); - sk->sk_state = SMC_CLOSED; - sock_put(sk); /* passive closing */ - break; case SMC_APPCLOSEWAIT1: case SMC_APPCLOSEWAIT2: + sk->sk_state = SMC_PEERABORTWAIT; smc_close_cancel_work(smc); + if (sk->sk_state != SMC_PEERABORTWAIT) + break; sk->sk_state = SMC_CLOSED; - sock_put(sk); /* postponed passive closing */ + sock_put(sk); /* (postponed) passive closing */ break; case SMC_PEERCLOSEWAIT1: case SMC_PEERCLOSEWAIT2: case SMC_PEERFINCLOSEWAIT: sk->sk_state = SMC_PEERABORTWAIT; smc_close_cancel_work(smc); + if (sk->sk_state != SMC_PEERABORTWAIT) + break; sk->sk_state = SMC_CLOSED; smc_conn_free(&smc->conn); release_clcsock = true; @@ -159,6 +158,8 @@ void smc_close_active_abort(struct smc_sock *smc) case SMC_APPFINCLOSEWAIT: sk->sk_state = SMC_PEERABORTWAIT; smc_close_cancel_work(smc); + if (sk->sk_state != SMC_PEERABORTWAIT) + break; sk->sk_state = SMC_CLOSED; smc_conn_free(&smc->conn); release_clcsock = true; @@ -372,7 +373,7 @@ static void smc_close_passive_work(struct work_struct *work) case SMC_PEERCLOSEWAIT1: if (rxflags->peer_done_writing) sk->sk_state = SMC_PEERCLOSEWAIT2; - /* fall through */ + fallthrough; /* to check for closing */ case SMC_PEERCLOSEWAIT2: if (!smc_cdc_rxed_any_close(conn)) diff --git a/net/smc/smc_core.c b/net/smc/smc_core.c index b42fa3b00d00ae..a406627b1d5529 100644 --- a/net/smc/smc_core.c +++ b/net/smc/smc_core.c @@ -1356,6 +1356,8 @@ create: if (ini->is_smcd) { conn->rx_off = sizeof(struct smcd_cdc_msg); smcd_cdc_rx_init(conn); /* init tasklet for this conn */ + } else { + conn->rx_off = 0; } #ifndef KERNEL_HAS_ATOMIC64 spin_lock_init(&conn->acurs_lock); @@ -1777,6 +1779,7 @@ int smc_buf_create(struct smc_sock *smc, bool is_smcd) list_del(&smc->conn.sndbuf_desc->list); mutex_unlock(&smc->conn.lgr->sndbufs_lock); smc_buf_free(smc->conn.lgr, false, smc->conn.sndbuf_desc); + smc->conn.sndbuf_desc = NULL; } return rc; } diff --git a/net/smc/smc_llc.c b/net/smc/smc_llc.c index df5b0a6ea8488f..3ea33466ebe98c 100644 --- a/net/smc/smc_llc.c +++ b/net/smc/smc_llc.c @@ -841,6 +841,9 @@ int smc_llc_cli_add_link(struct smc_link *link, struct smc_llc_qentry *qentry) struct smc_init_info ini; int lnk_idx, rc = 0; + if (!llc->qp_mtu) + goto out_reject; + ini.vlan_id = lgr->vlan_id; smc_pnet_find_alt_roce(lgr, &ini, link->smcibdev); if (!memcmp(llc->sender_gid, link->peer_gid, SMC_GID_SIZE) && @@ -917,10 +920,20 @@ out: kfree(qentry); } +static bool smc_llc_is_empty_llc_message(union smc_llc_msg *llc) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(llc->raw.data); i++) + if (llc->raw.data[i]) + return false; + return true; +} + static bool smc_llc_is_local_add_link(union smc_llc_msg *llc) { if (llc->raw.hdr.common.type == SMC_LLC_ADD_LINK && - !llc->add_link.qp_mtu && !llc->add_link.link_num) + smc_llc_is_empty_llc_message(llc)) return true; return false; } diff --git a/net/socket.c b/net/socket.c index dbbe8ea7d395da..58cac2da5f668d 100644 --- a/net/socket.c +++ b/net/socket.c @@ -3610,7 +3610,7 @@ int kernel_getsockname(struct socket *sock, struct sockaddr *addr) EXPORT_SYMBOL(kernel_getsockname); /** - * kernel_peername - get the address which the socket is connected (kernel space) + * kernel_getpeername - get the address which the socket is connected (kernel space) * @sock: socket * @addr: address holder * @@ -3638,9 +3638,11 @@ EXPORT_SYMBOL(kernel_getpeername); int kernel_sendpage(struct socket *sock, struct page *page, int offset, size_t size, int flags) { - if (sock->ops->sendpage) + if (sock->ops->sendpage) { + /* Warn in case the improper page to zero-copy send */ + WARN_ONCE(!sendpage_ok(page), "improper page for zero-copy send"); return sock->ops->sendpage(sock, page, offset, size, flags); - + } return sock_no_sendpage(sock, page, offset, size, flags); } EXPORT_SYMBOL(kernel_sendpage); @@ -3671,7 +3673,7 @@ int kernel_sendpage_locked(struct sock *sk, struct page *page, int offset, EXPORT_SYMBOL(kernel_sendpage_locked); /** - * kernel_shutdown - shut down part of a full-duplex connection (kernel space) + * kernel_sock_shutdown - shut down part of a full-duplex connection (kernel space) * @sock: socket * @how: connection part * diff --git a/net/sunrpc/auth_gss/gss_krb5_wrap.c b/net/sunrpc/auth_gss/gss_krb5_wrap.c index 90b8329fef8242..8b300b74a72217 100644 --- a/net/sunrpc/auth_gss/gss_krb5_wrap.c +++ b/net/sunrpc/auth_gss/gss_krb5_wrap.c @@ -137,7 +137,7 @@ gss_krb5_make_confounder(char *p, u32 conflen) switch (conflen) { case 16: *q++ = i++; - /* fall through */ + fallthrough; case 8: *q++ = i++; break; diff --git a/net/sunrpc/auth_gss/trace.c b/net/sunrpc/auth_gss/trace.c index d26036a5744320..76685abba60fec 100644 --- a/net/sunrpc/auth_gss/trace.c +++ b/net/sunrpc/auth_gss/trace.c @@ -9,7 +9,6 @@ #include <linux/sunrpc/svc_xprt.h> #include <linux/sunrpc/auth_gss.h> #include <linux/sunrpc/gss_err.h> -#include <linux/sunrpc/auth_gss.h> #define CREATE_TRACE_POINTS #include <trace/events/rpcgss.h> diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c index a91d1cdad9d7e0..62e0b6c1e8cf9d 100644 --- a/net/sunrpc/clnt.c +++ b/net/sunrpc/clnt.c @@ -1702,7 +1702,7 @@ call_reserveresult(struct rpc_task *task) switch (status) { case -ENOMEM: rpc_delay(task, HZ >> 2); - /* fall through */ + fallthrough; case -EAGAIN: /* woken up; retry */ task->tk_action = call_retry_reserve; return; @@ -1759,13 +1759,13 @@ call_refreshresult(struct rpc_task *task) /* Use rate-limiting and a max number of retries if refresh * had status 0 but failed to update the cred. */ - /* fall through */ + fallthrough; case -ETIMEDOUT: rpc_delay(task, 3*HZ); - /* fall through */ + fallthrough; case -EAGAIN: status = -EACCES; - /* fall through */ + fallthrough; case -EKEYEXPIRED: if (!task->tk_cred_retry) break; @@ -2132,7 +2132,7 @@ call_connect_status(struct rpc_task *task) rpc_force_rebind(clnt); goto out_retry; } - /* fall through */ + fallthrough; case -ECONNRESET: case -ECONNABORTED: case -ENETDOWN: @@ -2146,7 +2146,7 @@ call_connect_status(struct rpc_task *task) break; /* retry with existing socket, after a delay */ rpc_delay(task, 3*HZ); - /* fall through */ + fallthrough; case -EADDRINUSE: case -ENOTCONN: case -EAGAIN: @@ -2228,7 +2228,7 @@ call_transmit_status(struct rpc_task *task) */ case -ENOBUFS: rpc_delay(task, HZ>>2); - /* fall through */ + fallthrough; case -EBADSLT: case -EAGAIN: task->tk_action = call_transmit; @@ -2247,7 +2247,7 @@ call_transmit_status(struct rpc_task *task) rpc_call_rpcerror(task, task->tk_status); return; } - /* fall through */ + fallthrough; case -ECONNRESET: case -ECONNABORTED: case -EADDRINUSE: @@ -2313,7 +2313,7 @@ call_bc_transmit_status(struct rpc_task *task) break; case -ENOBUFS: rpc_delay(task, HZ>>2); - /* fall through */ + fallthrough; case -EBADSLT: case -EAGAIN: task->tk_status = 0; @@ -2380,7 +2380,7 @@ call_status(struct rpc_task *task) * were a timeout. */ rpc_delay(task, 3*HZ); - /* fall through */ + fallthrough; case -ETIMEDOUT: break; case -ECONNREFUSED: @@ -2391,7 +2391,7 @@ call_status(struct rpc_task *task) break; case -EADDRINUSE: rpc_delay(task, 3*HZ); - /* fall through */ + fallthrough; case -EPIPE: case -EAGAIN: break; diff --git a/net/sunrpc/rpcb_clnt.c b/net/sunrpc/rpcb_clnt.c index c27123e6ba80c1..4a67685c83eb4f 100644 --- a/net/sunrpc/rpcb_clnt.c +++ b/net/sunrpc/rpcb_clnt.c @@ -982,8 +982,8 @@ static int rpcb_dec_getaddr(struct rpc_rqst *req, struct xdr_stream *xdr, p = xdr_inline_decode(xdr, len); if (unlikely(p == NULL)) goto out_fail; - dprintk("RPC: %5u RPCB_%s reply: %s\n", req->rq_task->tk_pid, - req->rq_task->tk_msg.rpc_proc->p_name, (char *)p); + dprintk("RPC: %5u RPCB_%s reply: %*pE\n", req->rq_task->tk_pid, + req->rq_task->tk_msg.rpc_proc->p_name, len, (char *)p); if (rpc_uaddr2sockaddr(req->rq_xprt->xprt_net, (char *)p, len, sap, sizeof(address)) == 0) diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c index d5805fa1d06608..c2752e2b9ce34e 100644 --- a/net/sunrpc/svcsock.c +++ b/net/sunrpc/svcsock.c @@ -228,7 +228,7 @@ static int svc_one_sock_name(struct svc_sock *svsk, char *buf, int remaining) static void svc_flush_bvec(const struct bio_vec *bvec, size_t size, size_t seek) { struct bvec_iter bi = { - .bi_size = size, + .bi_size = size + seek, }; struct bio_vec bv; diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c index 6ba9d58426291c..5a8e47bbfb9f45 100644 --- a/net/sunrpc/xprt.c +++ b/net/sunrpc/xprt.c @@ -1623,7 +1623,7 @@ void xprt_alloc_slot(struct rpc_xprt *xprt, struct rpc_task *task) case -EAGAIN: xprt_add_backlog(xprt, task); dprintk("RPC: waiting for request slot\n"); - /* fall through */ + fallthrough; default: task->tk_status = -EAGAIN; } diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c index 75c646743df3ef..ad6e2e4994ce8e 100644 --- a/net/sunrpc/xprtrdma/verbs.c +++ b/net/sunrpc/xprtrdma/verbs.c @@ -268,7 +268,7 @@ rpcrdma_cm_event_handler(struct rdma_cm_id *id, struct rdma_cm_event *event) case RDMA_CM_EVENT_DEVICE_REMOVAL: pr_info("rpcrdma: removing device %s for %pISpc\n", ep->re_id->device->name, sap); - /* fall through */ + fallthrough; case RDMA_CM_EVENT_ADDR_CHANGE: ep->re_connect_status = -ENODEV; goto disconnected; @@ -933,6 +933,8 @@ static void rpcrdma_req_reset(struct rpcrdma_req *req) rpcrdma_regbuf_dma_unmap(req->rl_sendbuf); rpcrdma_regbuf_dma_unmap(req->rl_recvbuf); + + frwr_reset(req); } /* ASSUMPTION: the rb_allreqs list is stable for the duration, diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c index c57aef82940356..554e1bb4c1c7e4 100644 --- a/net/sunrpc/xprtsock.c +++ b/net/sunrpc/xprtsock.c @@ -885,7 +885,7 @@ static int xs_local_send_request(struct rpc_rqst *req) default: dprintk("RPC: sendmsg returned unrecognized error %d\n", -status); - /* fall through */ + fallthrough; case -EPIPE: xs_close(xprt); status = -ENOTCONN; @@ -1436,7 +1436,7 @@ static void xs_tcp_state_change(struct sock *sk) xprt->connect_cookie++; clear_bit(XPRT_CONNECTED, &xprt->state); xs_run_error_worker(transport, XPRT_SOCK_WAKE_DISCONNECT); - /* fall through */ + fallthrough; case TCP_CLOSING: /* * If the server closed down the connection, make sure that @@ -2202,7 +2202,7 @@ static int xs_tcp_finish_connecting(struct rpc_xprt *xprt, struct socket *sock) switch (ret) { case 0: xs_set_srcport(transport, sock); - /* fall through */ + fallthrough; case -EINPROGRESS: /* SYN_SENT! */ if (xprt->reestablish_timeout < XS_TCP_INIT_REEST_TO) @@ -2255,7 +2255,7 @@ static void xs_tcp_setup_socket(struct work_struct *work) default: printk("%s: connect returned unhandled error %d\n", __func__, status); - /* fall through */ + fallthrough; case -EADDRNOTAVAIL: /* We're probably in TIME_WAIT. Get rid of existing socket, * and retry diff --git a/net/switchdev/switchdev.c b/net/switchdev/switchdev.c index 865f3e037425a1..23d8685453627c 100644 --- a/net/switchdev/switchdev.c +++ b/net/switchdev/switchdev.c @@ -404,7 +404,7 @@ EXPORT_SYMBOL_GPL(unregister_switchdev_notifier); * @val: value passed unmodified to notifier function * @dev: port device * @info: notifier information data - * + * @extack: netlink extended ack * Call all network notifier blocks. */ int call_switchdev_notifiers(unsigned long val, struct net_device *dev, diff --git a/net/tipc/bearer.c b/net/tipc/bearer.c index 808b147df7d527..6504141104521c 100644 --- a/net/tipc/bearer.c +++ b/net/tipc/bearer.c @@ -652,7 +652,7 @@ static int tipc_l2_device_event(struct notifier_block *nb, unsigned long evt, test_and_set_bit_lock(0, &b->up); break; } - /* fall through */ + fallthrough; case NETDEV_GOING_DOWN: clear_bit_unlock(0, &b->up); tipc_reset_bearer(net, b); diff --git a/net/tipc/crypto.c b/net/tipc/crypto.c index c38babaa4e579b..7c523dc81575e1 100644 --- a/net/tipc/crypto.c +++ b/net/tipc/crypto.c @@ -326,7 +326,8 @@ static void tipc_aead_free(struct rcu_head *rp) if (aead->cloned) { tipc_aead_put(aead->cloned); } else { - head = *this_cpu_ptr(aead->tfm_entry); + head = *get_cpu_ptr(aead->tfm_entry); + put_cpu_ptr(aead->tfm_entry); list_for_each_entry_safe(tfm_entry, tmp, &head->list, list) { crypto_free_aead(tfm_entry->tfm); list_del(&tfm_entry->list); @@ -399,10 +400,15 @@ static void tipc_aead_users_set(struct tipc_aead __rcu *aead, int val) */ static struct crypto_aead *tipc_aead_tfm_next(struct tipc_aead *aead) { - struct tipc_tfm **tfm_entry = this_cpu_ptr(aead->tfm_entry); + struct tipc_tfm **tfm_entry; + struct crypto_aead *tfm; + tfm_entry = get_cpu_ptr(aead->tfm_entry); *tfm_entry = list_next_entry(*tfm_entry, list); - return (*tfm_entry)->tfm; + tfm = (*tfm_entry)->tfm; + put_cpu_ptr(tfm_entry); + + return tfm; } /** diff --git a/net/tipc/group.c b/net/tipc/group.c index 89257e2a980de3..b1fcd2ad5ecfac 100644 --- a/net/tipc/group.c +++ b/net/tipc/group.c @@ -273,8 +273,8 @@ static struct tipc_member *tipc_group_find_node(struct tipc_group *grp, return NULL; } -static void tipc_group_add_to_tree(struct tipc_group *grp, - struct tipc_member *m) +static int tipc_group_add_to_tree(struct tipc_group *grp, + struct tipc_member *m) { u64 nkey, key = (u64)m->node << 32 | m->port; struct rb_node **n, *parent = NULL; @@ -291,10 +291,11 @@ static void tipc_group_add_to_tree(struct tipc_group *grp, else if (key > nkey) n = &(*n)->rb_right; else - return; + return -EEXIST; } rb_link_node(&m->tree_node, parent, n); rb_insert_color(&m->tree_node, &grp->members); + return 0; } static struct tipc_member *tipc_group_create_member(struct tipc_group *grp, @@ -302,6 +303,7 @@ static struct tipc_member *tipc_group_create_member(struct tipc_group *grp, u32 instance, int state) { struct tipc_member *m; + int ret; m = kzalloc(sizeof(*m), GFP_ATOMIC); if (!m) @@ -314,8 +316,12 @@ static struct tipc_member *tipc_group_create_member(struct tipc_group *grp, m->port = port; m->instance = instance; m->bc_acked = grp->bc_snd_nxt - 1; + ret = tipc_group_add_to_tree(grp, m); + if (ret < 0) { + kfree(m); + return NULL; + } grp->member_cnt++; - tipc_group_add_to_tree(grp, m); tipc_nlist_add(&grp->dests, m->node); m->state = state; return m; @@ -536,7 +542,7 @@ void tipc_group_filter_msg(struct tipc_group *grp, struct sk_buff_head *inputq, update = true; deliver = false; } - /* Fall thru */ + fallthrough; case TIPC_GRP_BCAST_MSG: m->bc_rcv_nxt++; ack = msg_grp_bc_ack_req(hdr); diff --git a/net/tipc/link.c b/net/tipc/link.c index 1075781229739d..cef38a9101071d 100644 --- a/net/tipc/link.c +++ b/net/tipc/link.c @@ -532,7 +532,8 @@ bool tipc_link_create(struct net *net, char *if_name, int bearer_id, * tipc_link_bc_create - create new link to be used for broadcast * @net: pointer to associated network namespace * @mtu: mtu to be used initially if no peers - * @window: send window to be used + * @min_win: minimal send window to be used by link + * @max_win: maximal send window to be used by link * @inputq: queue to put messages ready for delivery * @namedq: queue to put binding table update messages ready for delivery * @link: return value, pointer to put the created link @@ -1239,7 +1240,7 @@ static bool tipc_data_input(struct tipc_link *l, struct sk_buff *skb, skb_queue_tail(mc_inputq, skb); return true; } - /* fall through */ + fallthrough; case CONN_MANAGER: skb_queue_tail(inputq, skb); return true; diff --git a/net/tipc/msg.c b/net/tipc/msg.c index 848fae67453244..52e93ba4d8e2c5 100644 --- a/net/tipc/msg.c +++ b/net/tipc/msg.c @@ -150,7 +150,8 @@ int tipc_buf_append(struct sk_buff **headbuf, struct sk_buff **buf) if (fragid == FIRST_FRAGMENT) { if (unlikely(head)) goto err; - if (unlikely(skb_unclone(frag, GFP_ATOMIC))) + frag = skb_unshare(frag, GFP_ATOMIC); + if (unlikely(!frag)) goto err; head = *headbuf = frag; *buf = NULL; diff --git a/net/tipc/socket.c b/net/tipc/socket.c index 07419f36116a84..11b27ddc75ba3e 100644 --- a/net/tipc/socket.c +++ b/net/tipc/socket.c @@ -783,7 +783,7 @@ static __poll_t tipc_poll(struct file *file, struct socket *sock, case TIPC_ESTABLISHED: if (!tsk->cong_link_cnt && !tsk_conn_cong(tsk)) revents |= EPOLLOUT; - /* fall through */ + fallthrough; case TIPC_LISTEN: case TIPC_CONNECTING: if (!skb_queue_empty_lockless(&sk->sk_receive_queue)) @@ -2597,7 +2597,7 @@ static int tipc_connect(struct socket *sock, struct sockaddr *dest, * case is EINPROGRESS, rather than EALREADY. */ res = -EINPROGRESS; - /* fall through */ + fallthrough; case TIPC_CONNECTING: if (!timeout) { if (previous == TIPC_CONNECTING) @@ -2771,18 +2771,18 @@ static int tipc_shutdown(struct socket *sock, int how) trace_tipc_sk_shutdown(sk, NULL, TIPC_DUMP_ALL, " "); __tipc_shutdown(sock, TIPC_CONN_SHUTDOWN); - sk->sk_shutdown = SEND_SHUTDOWN; + sk->sk_shutdown = SHUTDOWN_MASK; if (sk->sk_state == TIPC_DISCONNECTING) { /* Discard any unreceived messages */ __skb_queue_purge(&sk->sk_receive_queue); - /* Wake up anyone sleeping in poll */ - sk->sk_state_change(sk); res = 0; } else { res = -ENOTCONN; } + /* Wake up anyone sleeping in poll. */ + sk->sk_state_change(sk); release_sock(sk); return res; diff --git a/net/tls/tls_sw.c b/net/tls/tls_sw.c index 9a3d9fedd7aac3..95ab5545a93136 100644 --- a/net/tls/tls_sw.c +++ b/net/tls/tls_sw.c @@ -2143,10 +2143,15 @@ void tls_sw_release_resources_tx(struct sock *sk) struct tls_context *tls_ctx = tls_get_ctx(sk); struct tls_sw_context_tx *ctx = tls_sw_ctx_tx(tls_ctx); struct tls_rec *rec, *tmp; + int pending; /* Wait for any pending async encryptions to complete */ - smp_store_mb(ctx->async_notify, true); - if (atomic_read(&ctx->encrypt_pending)) + spin_lock_bh(&ctx->encrypt_compl_lock); + ctx->async_notify = true; + pending = atomic_read(&ctx->encrypt_pending); + spin_unlock_bh(&ctx->encrypt_compl_lock); + + if (pending) crypto_wait_req(-EINPROGRESS, &ctx->async_wait); tls_tx_records(sk, -1); diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c index 181ea6fb56a617..92784e51ee7d97 100644 --- a/net/unix/af_unix.c +++ b/net/unix/af_unix.c @@ -837,7 +837,7 @@ static int unix_create(struct net *net, struct socket *sock, int protocol, */ case SOCK_RAW: sock->type = SOCK_DGRAM; - /* fall through */ + fallthrough; case SOCK_DGRAM: sock->ops = &unix_dgram_ops; break; diff --git a/net/wireless/Kconfig b/net/wireless/Kconfig index faf74850a1b52a..27026f587fa618 100644 --- a/net/wireless/Kconfig +++ b/net/wireless/Kconfig @@ -217,6 +217,7 @@ config LIB80211_CRYPT_WEP config LIB80211_CRYPT_CCMP tristate + select CRYPTO select CRYPTO_AES select CRYPTO_CCM diff --git a/net/wireless/chan.c b/net/wireless/chan.c index 90f0f82cd9ca76..6a6f2f214c10f1 100644 --- a/net/wireless/chan.c +++ b/net/wireless/chan.c @@ -10,6 +10,7 @@ */ #include <linux/export.h> +#include <linux/bitfield.h> #include <net/cfg80211.h> #include "core.h" #include "rdev-ops.h" @@ -912,6 +913,7 @@ bool cfg80211_chandef_usable(struct wiphy *wiphy, struct ieee80211_sta_vht_cap *vht_cap; struct ieee80211_edmg *edmg_cap; u32 width, control_freq, cap; + bool support_80_80 = false; if (WARN_ON(!cfg80211_chandef_valid(chandef))) return false; @@ -957,7 +959,7 @@ bool cfg80211_chandef_usable(struct wiphy *wiphy, if (!ht_cap->ht_supported && chandef->chan->band != NL80211_BAND_6GHZ) return false; - /* fall through */ + fallthrough; case NL80211_CHAN_WIDTH_20_NOHT: prohibited_flags |= IEEE80211_CHAN_NO_20MHZ; width = 20; @@ -979,11 +981,15 @@ bool cfg80211_chandef_usable(struct wiphy *wiphy, return false; break; case NL80211_CHAN_WIDTH_80P80: - cap = vht_cap->cap & IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK; - if (chandef->chan->band != NL80211_BAND_6GHZ && - cap != IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ) + cap = vht_cap->cap; + support_80_80 = + (cap & IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ) || + (cap & IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ && + cap & IEEE80211_VHT_CAP_EXT_NSS_BW_MASK) || + u32_get_bits(cap, IEEE80211_VHT_CAP_EXT_NSS_BW_MASK) > 1; + if (chandef->chan->band != NL80211_BAND_6GHZ && !support_80_80) return false; - /* fall through */ + fallthrough; case NL80211_CHAN_WIDTH_80: prohibited_flags |= IEEE80211_CHAN_NO_80MHZ; width = 80; @@ -1001,7 +1007,8 @@ bool cfg80211_chandef_usable(struct wiphy *wiphy, return false; cap = vht_cap->cap & IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK; if (cap != IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ && - cap != IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ) + cap != IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ && + !(vht_cap->cap & IEEE80211_VHT_CAP_EXT_NSS_BW_MASK)) return false; break; default: diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c index a6c61a2e656919..db7333e20dd717 100644 --- a/net/wireless/mlme.c +++ b/net/wireless/mlme.c @@ -941,7 +941,7 @@ void cfg80211_cac_event(struct net_device *netdev, sizeof(struct cfg80211_chan_def)); queue_work(cfg80211_wq, &rdev->propagate_cac_done_wk); cfg80211_sched_dfs_chan_update(rdev); - /* fall through */ + fallthrough; case NL80211_RADAR_CAC_ABORTED: wdev->cac_started = false; break; diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index c04fc6cf658389..7fd45f6ddb0582 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -2107,7 +2107,7 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev, state->split_start++; if (state->split) break; - /* fall through */ + fallthrough; case 1: if (nla_put(msg, NL80211_ATTR_CIPHER_SUITES, sizeof(u32) * rdev->wiphy.n_cipher_suites, @@ -2154,7 +2154,7 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev, state->split_start++; if (state->split) break; - /* fall through */ + fallthrough; case 2: if (nl80211_put_iftypes(msg, NL80211_ATTR_SUPPORTED_IFTYPES, rdev->wiphy.interface_modes)) @@ -2162,7 +2162,7 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev, state->split_start++; if (state->split) break; - /* fall through */ + fallthrough; case 3: nl_bands = nla_nest_start_noflag(msg, NL80211_ATTR_WIPHY_BANDS); @@ -2189,7 +2189,7 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev, state->chan_start++; if (state->split) break; - /* fall through */ + fallthrough; default: /* add frequencies */ nl_freqs = nla_nest_start_noflag(msg, @@ -2244,7 +2244,7 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev, state->split_start++; if (state->split) break; - /* fall through */ + fallthrough; case 4: nl_cmds = nla_nest_start_noflag(msg, NL80211_ATTR_SUPPORTED_COMMANDS); @@ -2273,7 +2273,7 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev, state->split_start++; if (state->split) break; - /* fall through */ + fallthrough; case 5: if (rdev->ops->remain_on_channel && (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) && @@ -2291,7 +2291,7 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev, state->split_start++; if (state->split) break; - /* fall through */ + fallthrough; case 6: #ifdef CONFIG_PM if (nl80211_send_wowlan(msg, rdev, state->split)) @@ -2302,7 +2302,7 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev, #else state->split_start++; #endif - /* fall through */ + fallthrough; case 7: if (nl80211_put_iftypes(msg, NL80211_ATTR_SOFTWARE_IFTYPES, rdev->wiphy.software_iftypes)) @@ -2315,7 +2315,7 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev, state->split_start++; if (state->split) break; - /* fall through */ + fallthrough; case 8: if ((rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME) && nla_put_u32(msg, NL80211_ATTR_DEVICE_AP_SME, @@ -4172,6 +4172,9 @@ static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info) if (err) return err; + if (key.idx < 0) + return -EINVAL; + if (info->attrs[NL80211_ATTR_MAC]) mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); @@ -5207,7 +5210,7 @@ bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info, int attr) break; default: WARN_ON(1); - /* fall through */ + fallthrough; case RATE_INFO_BW_20: rate_flg = 0; break; @@ -6011,7 +6014,7 @@ static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info) if (info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY]) params.he_6ghz_capa = - nla_data(info->attrs[NL80211_ATTR_HE_CAPABILITY]); + nla_data(info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY]); if (info->attrs[NL80211_ATTR_AIRTIME_WEIGHT]) params.airtime_weight = diff --git a/net/wireless/reg.c b/net/wireless/reg.c index 35b8847a2f6d01..d8a90d39742357 100644 --- a/net/wireless/reg.c +++ b/net/wireless/reg.c @@ -2946,6 +2946,9 @@ int regulatory_hint_user(const char *alpha2, if (WARN_ON(!alpha2)) return -EINVAL; + if (!is_world_regdom(alpha2) && !is_an_alpha2(alpha2)) + return -EINVAL; + request = kzalloc(sizeof(struct regulatory_request), GFP_KERNEL); if (!request) return -ENOMEM; diff --git a/net/wireless/scan.c b/net/wireless/scan.c index e67a74488bbe0c..04f2d198c2154c 100644 --- a/net/wireless/scan.c +++ b/net/wireless/scan.c @@ -1433,7 +1433,7 @@ cfg80211_inform_single_bss_data(struct wiphy *wiphy, switch (ftype) { case CFG80211_BSS_FTYPE_BEACON: ies->from_beacon = true; - /* fall through */ + fallthrough; case CFG80211_BSS_FTYPE_UNKNOWN: rcu_assign_pointer(tmp.pub.beacon_ies, ies); break; diff --git a/net/wireless/sme.c b/net/wireless/sme.c index 985f3c23f0545f..079ce320dc1ed7 100644 --- a/net/wireless/sme.c +++ b/net/wireless/sme.c @@ -205,7 +205,7 @@ static int cfg80211_conn_do_work(struct wireless_dev *wdev, return err; case CFG80211_CONN_ASSOC_FAILED_TIMEOUT: *treason = NL80211_TIMEOUT_ASSOC; - /* fall through */ + fallthrough; case CFG80211_CONN_ASSOC_FAILED: cfg80211_mlme_deauth(rdev, wdev->netdev, params->bssid, NULL, 0, @@ -215,7 +215,7 @@ static int cfg80211_conn_do_work(struct wireless_dev *wdev, cfg80211_mlme_deauth(rdev, wdev->netdev, params->bssid, NULL, 0, WLAN_REASON_DEAUTH_LEAVING, false); - /* fall through */ + fallthrough; case CFG80211_CONN_ABANDON: /* free directly, disconnected event already sent */ cfg80211_sme_free(wdev); diff --git a/net/wireless/util.c b/net/wireless/util.c index dfad1c0f57adb2..6fa99df52f8636 100644 --- a/net/wireless/util.c +++ b/net/wireless/util.c @@ -95,7 +95,7 @@ u32 ieee80211_channel_to_freq_khz(int chan, enum nl80211_band band) /* see 802.11ax D6.1 27.3.23.2 */ if (chan == 2) return MHZ_TO_KHZ(5935); - if (chan <= 253) + if (chan <= 233) return MHZ_TO_KHZ(5950 + chan * 5); break; case NL80211_BAND_60GHZ: @@ -123,11 +123,13 @@ int ieee80211_freq_khz_to_channel(u32 freq) return (freq - 2407) / 5; else if (freq >= 4910 && freq <= 4980) return (freq - 4000) / 5; - else if (freq < 5945) + else if (freq < 5925) return (freq - 5000) / 5; + else if (freq == 5935) + return 2; else if (freq <= 45000) /* DMG band lower limit */ - /* see 802.11ax D4.1 27.3.22.2 */ - return (freq - 5940) / 5; + /* see 802.11ax D6.1 27.3.22.2 */ + return (freq - 5950) / 5; else if (freq >= 58320 && freq <= 70200) return (freq - 56160) / 2160; else @@ -198,7 +200,7 @@ static void set_mandatory_flags_band(struct ieee80211_supported_band *sband) sband->bitrates[i].flags |= IEEE80211_RATE_MANDATORY_G; want--; - /* fall through */ + fallthrough; default: sband->bitrates[i].flags |= IEEE80211_RATE_ERP_G; @@ -1008,7 +1010,7 @@ int cfg80211_change_iface(struct cfg80211_registered_device *rdev, case NL80211_IFTYPE_STATION: if (dev->ieee80211_ptr->use_4addr) break; - /* fall through */ + fallthrough; case NL80211_IFTYPE_OCB: case NL80211_IFTYPE_P2P_CLIENT: case NL80211_IFTYPE_ADHOC: diff --git a/net/wireless/wext-compat.c b/net/wireless/wext-compat.c index aa918d7ff6bd0c..4d2160c989a3b7 100644 --- a/net/wireless/wext-compat.c +++ b/net/wireless/wext-compat.c @@ -1334,7 +1334,7 @@ static struct iw_statistics *cfg80211_wireless_stats(struct net_device *dev) wstats.qual.qual = sig + 110; break; } - /* fall through */ + fallthrough; case CFG80211_SIGNAL_TYPE_UNSPEC: if (sinfo.filled & BIT_ULL(NL80211_STA_INFO_SIGNAL)) { wstats.qual.updated |= IW_QUAL_LEVEL_UPDATED; @@ -1343,7 +1343,7 @@ static struct iw_statistics *cfg80211_wireless_stats(struct net_device *dev) wstats.qual.qual = sinfo.signal; break; } - /* fall through */ + fallthrough; default: wstats.qual.updated |= IW_QUAL_LEVEL_INVALID; wstats.qual.updated |= IW_QUAL_QUAL_INVALID; diff --git a/net/x25/x25_facilities.c b/net/x25/x25_facilities.c index 7fb327632272bb..8e1a49b0c0dc5c 100644 --- a/net/x25/x25_facilities.c +++ b/net/x25/x25_facilities.c @@ -98,7 +98,7 @@ int x25_parse_facilities(struct sk_buff *skb, struct x25_facilities *facilities, *vc_fac_mask |= X25_MASK_REVERSE; break; } - /*fall through */ + fallthrough; case X25_FAC_THROUGHPUT: facilities->throughput = p[1]; *vc_fac_mask |= X25_MASK_THROUGHPUT; diff --git a/net/x25/x25_in.c b/net/x25/x25_in.c index 4d3bb46aaae0d9..e1c4197af468e9 100644 --- a/net/x25/x25_in.c +++ b/net/x25/x25_in.c @@ -349,7 +349,7 @@ static int x25_state4_machine(struct sock *sk, struct sk_buff *skb, int frametyp case X25_RESET_REQUEST: x25_write_internal(sk, X25_RESET_CONFIRMATION); - /* fall through */ + fallthrough; case X25_RESET_CONFIRMATION: { x25_stop_timer(sk); x25->condition = 0x00; diff --git a/net/xdp/xdp_umem.c b/net/xdp/xdp_umem.c index e97db37354e4f6..b010bfde014907 100644 --- a/net/xdp/xdp_umem.c +++ b/net/xdp/xdp_umem.c @@ -303,10 +303,10 @@ static int xdp_umem_account_pages(struct xdp_umem *umem) static int xdp_umem_reg(struct xdp_umem *umem, struct xdp_umem_reg *mr) { + u32 npgs_rem, chunk_size = mr->chunk_size, headroom = mr->headroom; bool unaligned_chunks = mr->flags & XDP_UMEM_UNALIGNED_CHUNK_FLAG; - u32 chunk_size = mr->chunk_size, headroom = mr->headroom; u64 npgs, addr = mr->addr, size = mr->len; - unsigned int chunks, chunks_per_page; + unsigned int chunks, chunks_rem; int err; if (chunk_size < XDP_UMEM_MIN_CHUNK_SIZE || chunk_size > PAGE_SIZE) { @@ -336,19 +336,18 @@ static int xdp_umem_reg(struct xdp_umem *umem, struct xdp_umem_reg *mr) if ((addr + size) < addr) return -EINVAL; - npgs = size >> PAGE_SHIFT; + npgs = div_u64_rem(size, PAGE_SIZE, &npgs_rem); + if (npgs_rem) + npgs++; if (npgs > U32_MAX) return -EINVAL; - chunks = (unsigned int)div_u64(size, chunk_size); + chunks = (unsigned int)div_u64_rem(size, chunk_size, &chunks_rem); if (chunks == 0) return -EINVAL; - if (!unaligned_chunks) { - chunks_per_page = PAGE_SIZE / chunk_size; - if (chunks < chunks_per_page || chunks % chunks_per_page) - return -EINVAL; - } + if (!unaligned_chunks && chunks_rem) + return -EINVAL; if (headroom >= chunk_size - XDP_PACKET_HEADROOM) return -EINVAL; diff --git a/net/xdp/xsk.c b/net/xdp/xsk.c index c3231620d2101d..6c5e09e7440a99 100644 --- a/net/xdp/xsk.c +++ b/net/xdp/xsk.c @@ -377,15 +377,30 @@ static int xsk_generic_xmit(struct sock *sk) skb_shinfo(skb)->destructor_arg = (void *)(long)desc.addr; skb->destructor = xsk_destruct_skb; + /* Hinder dev_direct_xmit from freeing the packet and + * therefore completing it in the destructor + */ + refcount_inc(&skb->users); err = dev_direct_xmit(skb, xs->queue_id); + if (err == NETDEV_TX_BUSY) { + /* Tell user-space to retry the send */ + skb->destructor = sock_wfree; + /* Free skb without triggering the perf drop trace */ + consume_skb(skb); + err = -EAGAIN; + goto out; + } + xskq_cons_release(xs->tx); /* Ignore NET_XMIT_CN as packet might have been sent */ - if (err == NET_XMIT_DROP || err == NETDEV_TX_BUSY) { + if (err == NET_XMIT_DROP) { /* SKB completed but not sent */ + kfree_skb(skb); err = -EBUSY; goto out; } + consume_skb(skb); sent_frame = true; } diff --git a/net/xfrm/espintcp.c b/net/xfrm/espintcp.c index 827ccdf2db57f6..1f08ebf7d80c56 100644 --- a/net/xfrm/espintcp.c +++ b/net/xfrm/espintcp.c @@ -29,8 +29,12 @@ static void handle_nonesp(struct espintcp_ctx *ctx, struct sk_buff *skb, static void handle_esp(struct sk_buff *skb, struct sock *sk) { + struct tcp_skb_cb *tcp_cb = (struct tcp_skb_cb *)skb->cb; + skb_reset_transport_header(skb); - memset(skb->cb, 0, sizeof(skb->cb)); + + /* restore IP CB, we need at least IP6CB->nhoff */ + memmove(skb->cb, &tcp_cb->header, sizeof(tcp_cb->header)); rcu_read_lock(); skb->dev = dev_get_by_index_rcu(sock_net(sk), skb->skb_iif); diff --git a/net/xfrm/xfrm_interface.c b/net/xfrm/xfrm_interface.c index eb8181987620db..a8f66112c52b4c 100644 --- a/net/xfrm/xfrm_interface.c +++ b/net/xfrm/xfrm_interface.c @@ -303,7 +303,7 @@ xfrmi_xmit2(struct sk_buff *skb, struct net_device *dev, struct flowi *fl) } mtu = dst_mtu(dst); - if (!skb->ignore_df && skb->len > mtu) { + if (skb->len > mtu) { skb_dst_update_pmtu_no_confirm(skb, mtu); if (skb->protocol == htons(ETH_P_IPV6)) { diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c index d5280fd6f9c127..d622c2548d2295 100644 --- a/net/xfrm/xfrm_policy.c +++ b/net/xfrm/xfrm_policy.c @@ -3410,7 +3410,7 @@ decode_session6(struct sk_buff *skb, struct flowi *fl, bool reverse) switch (nexthdr) { case NEXTHDR_FRAGMENT: onlyproto = 1; - /* fall through */ + fallthrough; case NEXTHDR_ROUTING: case NEXTHDR_HOP: case NEXTHDR_DEST: diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c index 69520ad3d83bfb..efc89a92961dfc 100644 --- a/net/xfrm/xfrm_state.c +++ b/net/xfrm/xfrm_state.c @@ -1019,7 +1019,8 @@ static void xfrm_state_look_at(struct xfrm_policy *pol, struct xfrm_state *x, */ if (x->km.state == XFRM_STATE_VALID) { if ((x->sel.family && - !xfrm_selector_match(&x->sel, fl, x->sel.family)) || + (x->sel.family != family || + !xfrm_selector_match(&x->sel, fl, family))) || !security_xfrm_state_pol_flow_match(x, pol, fl)) return; @@ -1032,7 +1033,9 @@ static void xfrm_state_look_at(struct xfrm_policy *pol, struct xfrm_state *x, *acq_in_progress = 1; } else if (x->km.state == XFRM_STATE_ERROR || x->km.state == XFRM_STATE_EXPIRED) { - if (xfrm_selector_match(&x->sel, fl, x->sel.family) && + if ((!x->sel.family || + (x->sel.family == family && + xfrm_selector_match(&x->sel, fl, family))) && security_xfrm_state_pol_flow_match(x, pol, fl)) *error = -ESRCH; } @@ -1072,7 +1075,7 @@ xfrm_state_find(const xfrm_address_t *daddr, const xfrm_address_t *saddr, tmpl->mode == x->props.mode && tmpl->id.proto == x->id.proto && (tmpl->id.spi == x->id.spi || !tmpl->id.spi)) - xfrm_state_look_at(pol, x, fl, encap_family, + xfrm_state_look_at(pol, x, fl, family, &best, &acquire_in_progress, &error); } if (best || acquire_in_progress) @@ -1089,7 +1092,7 @@ xfrm_state_find(const xfrm_address_t *daddr, const xfrm_address_t *saddr, tmpl->mode == x->props.mode && tmpl->id.proto == x->id.proto && (tmpl->id.spi == x->id.spi || !tmpl->id.spi)) - xfrm_state_look_at(pol, x, fl, encap_family, + xfrm_state_look_at(pol, x, fl, family, &best, &acquire_in_progress, &error); } @@ -1441,6 +1444,30 @@ out: EXPORT_SYMBOL(xfrm_state_add); #ifdef CONFIG_XFRM_MIGRATE +static inline int clone_security(struct xfrm_state *x, struct xfrm_sec_ctx *security) +{ + struct xfrm_user_sec_ctx *uctx; + int size = sizeof(*uctx) + security->ctx_len; + int err; + + uctx = kmalloc(size, GFP_KERNEL); + if (!uctx) + return -ENOMEM; + + uctx->exttype = XFRMA_SEC_CTX; + uctx->len = size; + uctx->ctx_doi = security->ctx_doi; + uctx->ctx_alg = security->ctx_alg; + uctx->ctx_len = security->ctx_len; + memcpy(uctx + 1, security->ctx_str, security->ctx_len); + err = security_xfrm_state_alloc(x, uctx); + kfree(uctx); + if (err) + return err; + + return 0; +} + static struct xfrm_state *xfrm_state_clone(struct xfrm_state *orig, struct xfrm_encap_tmpl *encap) { @@ -1497,6 +1524,10 @@ static struct xfrm_state *xfrm_state_clone(struct xfrm_state *orig, goto error; } + if (orig->security) + if (clone_security(x, orig->security)) + goto error; + if (orig->coaddr) { x->coaddr = kmemdup(orig->coaddr, sizeof(*x->coaddr), GFP_KERNEL); @@ -1510,6 +1541,7 @@ static struct xfrm_state *xfrm_state_clone(struct xfrm_state *orig, } memcpy(&x->mark, &orig->mark, sizeof(x->mark)); + memcpy(&x->props.smark, &orig->props.smark, sizeof(x->props.smark)); if (xfrm_init_state(x) < 0) goto error; @@ -1521,7 +1553,7 @@ static struct xfrm_state *xfrm_state_clone(struct xfrm_state *orig, x->tfcpad = orig->tfcpad; x->replay_maxdiff = orig->replay_maxdiff; x->replay_maxage = orig->replay_maxage; - x->curlft.add_time = orig->curlft.add_time; + memcpy(&x->curlft, &orig->curlft, sizeof(x->curlft)); x->km.state = orig->km.state; x->km.seq = orig->km.seq; x->replay = orig->replay; diff --git a/samples/bpf/hbm.c b/samples/bpf/hbm.c index 7d71537776785c..4b22ace52f8051 100644 --- a/samples/bpf/hbm.c +++ b/samples/bpf/hbm.c @@ -483,7 +483,7 @@ int main(int argc, char **argv) "Option -%c requires an argument.\n\n", optopt); case 'h': - // fallthrough + fallthrough; default: Usage(); return 0; diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index 60d4a79674b6ef..504d2e431c6041 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -2639,8 +2639,8 @@ sub process { # Check if the commit log has what seems like a diff which can confuse patch if ($in_commit_log && !$commit_log_has_diff && - (($line =~ m@^\s+diff\b.*a/[\w/]+@ && - $line =~ m@^\s+diff\b.*a/([\w/]+)\s+b/$1\b@) || + (($line =~ m@^\s+diff\b.*a/([\w/]+)@ && + $line =~ m@^\s+diff\b.*a/[\w/]+\s+b/$1\b@) || $line =~ m@^\s*(?:\-\-\-\s+a/|\+\+\+\s+b/)@ || $line =~ m/^\s*\@\@ \-\d+,\d+ \+\d+,\d+ \@\@/)) { ERROR("DIFF_IN_COMMIT_MSG", diff --git a/scripts/dtc/Makefile b/scripts/dtc/Makefile index a698ece43fff0d..4852bf44e913e2 100644 --- a/scripts/dtc/Makefile +++ b/scripts/dtc/Makefile @@ -9,7 +9,7 @@ dtc-objs := dtc.o flattree.o fstree.o data.o livetree.o treesource.o \ dtc-objs += dtc-lexer.lex.o dtc-parser.tab.o # Source files need to get at the userspace version of libfdt_env.h to compile -HOST_EXTRACFLAGS := -I $(srctree)/$(src)/libfdt +HOST_EXTRACFLAGS += -I $(srctree)/$(src)/libfdt ifeq ($(shell pkg-config --exists yaml-0.1 2>/dev/null && echo yes),) ifneq ($(CHECK_DT_BINDING)$(CHECK_DTBS),) diff --git a/scripts/kallsyms.c b/scripts/kallsyms.c index 0096cd96533275..7ecd2ccba531bb 100644 --- a/scripts/kallsyms.c +++ b/scripts/kallsyms.c @@ -82,6 +82,7 @@ static char *sym_name(const struct sym_entry *s) static bool is_ignored_symbol(const char *name, char type) { + /* Symbol names that exactly match to the following are ignored.*/ static const char * const ignored_symbols[] = { /* * Symbols which vary between passes. Passes 1 and 2 must have @@ -104,6 +105,7 @@ static bool is_ignored_symbol(const char *name, char type) NULL }; + /* Symbol names that begin with the following are ignored.*/ static const char * const ignored_prefixes[] = { "$", /* local symbols for ARM, MIPS, etc. */ ".LASANPC", /* s390 kasan local symbols */ @@ -113,6 +115,7 @@ static bool is_ignored_symbol(const char *name, char type) NULL }; + /* Symbol names that end with the following are ignored.*/ static const char * const ignored_suffixes[] = { "_from_arm", /* arm */ "_from_thumb", /* arm */ @@ -120,9 +123,15 @@ static bool is_ignored_symbol(const char *name, char type) NULL }; + /* Symbol names that contain the following are ignored.*/ + static const char * const ignored_matches[] = { + ".long_branch.", /* ppc stub */ + ".plt_branch.", /* ppc stub */ + NULL + }; + const char * const *p; - /* Exclude symbols which vary between passes. */ for (p = ignored_symbols; *p; p++) if (!strcmp(name, *p)) return true; @@ -138,6 +147,11 @@ static bool is_ignored_symbol(const char *name, char type) return true; } + for (p = ignored_matches; *p; p++) { + if (strstr(name, *p)) + return true; + } + if (type == 'U' || type == 'u') return true; /* exclude debugging symbols */ diff --git a/scripts/kconfig/lkc.h b/scripts/kconfig/lkc.h index d4ca8297364f95..8454649b17bd5a 100644 --- a/scripts/kconfig/lkc.h +++ b/scripts/kconfig/lkc.h @@ -66,23 +66,6 @@ static inline void xfwrite(const void *str, size_t len, size_t count, FILE *out) fprintf(stderr, "Error in writing or end of file.\n"); } -/* menu.c */ -void _menu_init(void); -void menu_warn(struct menu *menu, const char *fmt, ...); -struct menu *menu_add_menu(void); -void menu_end_menu(void); -void menu_add_entry(struct symbol *sym); -void menu_add_dep(struct expr *dep); -void menu_add_visibility(struct expr *dep); -struct property *menu_add_prompt(enum prop_type type, char *prompt, struct expr *dep); -void menu_add_expr(enum prop_type type, struct expr *expr, struct expr *dep); -void menu_add_symbol(enum prop_type type, struct symbol *sym, struct expr *dep); -void menu_add_option_modules(void); -void menu_add_option_defconfig_list(void); -void menu_add_option_allnoconfig_y(void); -void menu_finalize(struct menu *parent); -void menu_set_type(int type); - /* util.c */ struct file *file_lookup(const char *name); void *xmalloc(size_t size); @@ -109,6 +92,36 @@ void str_append(struct gstr *gs, const char *s); void str_printf(struct gstr *gs, const char *fmt, ...); const char *str_get(struct gstr *gs); +/* menu.c */ +void _menu_init(void); +void menu_warn(struct menu *menu, const char *fmt, ...); +struct menu *menu_add_menu(void); +void menu_end_menu(void); +void menu_add_entry(struct symbol *sym); +void menu_add_dep(struct expr *dep); +void menu_add_visibility(struct expr *dep); +struct property *menu_add_prompt(enum prop_type type, char *prompt, struct expr *dep); +void menu_add_expr(enum prop_type type, struct expr *expr, struct expr *dep); +void menu_add_symbol(enum prop_type type, struct symbol *sym, struct expr *dep); +void menu_add_option_modules(void); +void menu_add_option_defconfig_list(void); +void menu_add_option_allnoconfig_y(void); +void menu_finalize(struct menu *parent); +void menu_set_type(int type); + +extern struct menu rootmenu; + +bool menu_is_empty(struct menu *menu); +bool menu_is_visible(struct menu *menu); +bool menu_has_prompt(struct menu *menu); +const char *menu_get_prompt(struct menu *menu); +struct menu *menu_get_root_menu(struct menu *menu); +struct menu *menu_get_parent_menu(struct menu *menu); +bool menu_has_help(struct menu *menu); +const char *menu_get_help(struct menu *menu); +struct gstr get_relations_str(struct symbol **sym_arr, struct list_head *head); +void menu_get_ext_help(struct menu *menu, struct gstr *help); + /* symbol.c */ void sym_clear_all_valid(void); struct symbol *sym_choice_default(struct symbol *sym); diff --git a/scripts/kconfig/lkc_proto.h b/scripts/kconfig/lkc_proto.h index f9ab98238aeff1..9e81be33c40fa0 100644 --- a/scripts/kconfig/lkc_proto.h +++ b/scripts/kconfig/lkc_proto.h @@ -12,20 +12,6 @@ bool conf_get_changed(void); void conf_set_changed_callback(void (*fn)(void)); void conf_set_message_callback(void (*fn)(const char *s)); -/* menu.c */ -extern struct menu rootmenu; - -bool menu_is_empty(struct menu *menu); -bool menu_is_visible(struct menu *menu); -bool menu_has_prompt(struct menu *menu); -const char * menu_get_prompt(struct menu *menu); -struct menu * menu_get_root_menu(struct menu *menu); -struct menu * menu_get_parent_menu(struct menu *menu); -bool menu_has_help(struct menu *menu); -const char * menu_get_help(struct menu *menu); -struct gstr get_relations_str(struct symbol **sym_arr, struct list_head *head); -void menu_get_ext_help(struct menu *menu, struct gstr *help); - /* symbol.c */ extern struct symbol * symbol_hash[SYMBOL_HASHSIZE]; diff --git a/scripts/kconfig/nconf.c b/scripts/kconfig/nconf.c index daf1c1506ec4cc..e0f96552916654 100644 --- a/scripts/kconfig/nconf.c +++ b/scripts/kconfig/nconf.c @@ -755,7 +755,6 @@ static void build_conf(struct menu *menu) switch (ptype) { case P_MENU: child_count++; - prompt = prompt; if (single_menu_mode) { item_make(menu, 'm', "%s%*c%s", diff --git a/scripts/kconfig/qconf.cc b/scripts/kconfig/qconf.cc index 8638785328a7fe..8ce624a3b54b1f 100644 --- a/scripts/kconfig/qconf.cc +++ b/scripts/kconfig/qconf.cc @@ -1108,6 +1108,11 @@ void ConfigInfoView::menuInfo(void) if (showDebug()) stream << debug_info(sym); + struct gstr help_gstr = str_new(); + + menu_get_ext_help(_menu, &help_gstr); + stream << print_filter(str_get(&help_gstr)); + str_free(&help_gstr); } else if (_menu->prompt) { stream << "<big><b>"; stream << print_filter(_menu->prompt->text); @@ -1119,11 +1124,11 @@ void ConfigInfoView::menuInfo(void) expr_print_help, &stream, E_NONE); stream << "<br><br>"; } + + stream << "defined at " << _menu->file->name << ":" + << _menu->lineno << "<br><br>"; } } - if (showDebug()) - stream << "defined at " << _menu->file->name << ":" - << _menu->lineno << "<br><br>"; setText(info); } @@ -1276,7 +1281,7 @@ void ConfigInfoView::clicked(const QUrl &url) } free(result); - delete data; + delete[] data; } void ConfigInfoView::contextMenuEvent(QContextMenuEvent *event) diff --git a/scripts/kconfig/streamline_config.pl b/scripts/kconfig/streamline_config.pl index 19857d18d814db..1c78ba49ca9923 100755 --- a/scripts/kconfig/streamline_config.pl +++ b/scripts/kconfig/streamline_config.pl @@ -593,7 +593,10 @@ while ($repeat) { } my %setconfigs; -my @preserved_kconfigs = split(/:/,$ENV{LMC_KEEP}); +my @preserved_kconfigs; +if (defined($ENV{'LMC_KEEP'})) { + @preserved_kconfigs = split(/:/,$ENV{LMC_KEEP}); +} sub in_preserved_kconfigs { my $kconfig = $config2kfile{$_[0]}; diff --git a/scripts/spelling.txt b/scripts/spelling.txt index f253681e7e2a04..feb2efaaa5e6e8 100644 --- a/scripts/spelling.txt +++ b/scripts/spelling.txt @@ -589,7 +589,7 @@ explictly||explicitly expresion||expression exprimental||experimental extened||extended -exteneded||extended||extended +exteneded||extended extensability||extensibility extention||extension extenstion||extension diff --git a/scripts/tags.sh b/scripts/tags.sh index fc5b53259a1672..fd96734deff137 100755 --- a/scripts/tags.sh +++ b/scripts/tags.sh @@ -26,7 +26,11 @@ else fi # ignore userspace tools -ignore="$ignore ( -path ${tree}tools ) -prune -o" +if [ -n "$COMPILED_SOURCE" ]; then + ignore="$ignore ( -path ./tools ) -prune -o" +else + ignore="$ignore ( -path ${tree}tools ) -prune -o" +fi # Detect if ALLSOURCE_ARCHS is set. If not, we assume SRCARCH if [ "${ALLSOURCE_ARCHS}" = "" ]; then @@ -92,7 +96,7 @@ all_sources() all_compiled_sources() { realpath -es $([ -z "$KBUILD_ABS_SRCTREE" ] && echo --relative-to=.) \ - include/generated/autoconf.h $(find -name "*.cmd" -exec \ + include/generated/autoconf.h $(find $ignore -name "*.cmd" -exec \ grep -Poh '(?(?=^source_.* \K).*|(?=^ \K\S).*(?= \\))' {} \+ | awk '!a[$0]++') | sort -u } diff --git a/security/apparmor/domain.c b/security/apparmor/domain.c index 7b0e13ce7dc7b1..f919ebd042fd25 100644 --- a/security/apparmor/domain.c +++ b/security/apparmor/domain.c @@ -577,7 +577,7 @@ static struct aa_label *x_to_label(struct aa_profile *profile, stack = NULL; break; } - /* fall through - to X_NAME */ + fallthrough; /* to X_NAME */ case AA_X_NAME: if (xindex & AA_X_CHILD) /* released by caller */ diff --git a/security/apparmor/lib.c b/security/apparmor/lib.c index 30c246a9d4409f..fa49b81eb54caf 100644 --- a/security/apparmor/lib.c +++ b/security/apparmor/lib.c @@ -292,13 +292,13 @@ void aa_apply_modes_to_perms(struct aa_profile *profile, struct aa_perms *perms) switch (AUDIT_MODE(profile)) { case AUDIT_ALL: perms->audit = ALL_PERMS_MASK; - /* fall through */ + fallthrough; case AUDIT_NOQUIET: perms->quiet = 0; break; case AUDIT_QUIET: perms->audit = 0; - /* fall through */ + fallthrough; case AUDIT_QUIET_DENIED: perms->quiet = ALL_PERMS_MASK; break; diff --git a/security/device_cgroup.c b/security/device_cgroup.c index 43ab0ad45c1b62..04375df52fc9a1 100644 --- a/security/device_cgroup.c +++ b/security/device_cgroup.c @@ -354,7 +354,8 @@ static bool match_exception_partial(struct list_head *exceptions, short type, { struct dev_exception_item *ex; - list_for_each_entry_rcu(ex, exceptions, list) { + list_for_each_entry_rcu(ex, exceptions, list, + lockdep_is_held(&devcgroup_mutex)) { if ((type & DEVCG_DEV_BLOCK) && !(ex->type & DEVCG_DEV_BLOCK)) continue; if ((type & DEVCG_DEV_CHAR) && !(ex->type & DEVCG_DEV_CHAR)) diff --git a/security/integrity/ima/ima_appraise.c b/security/integrity/ima/ima_appraise.c index 372d163829606d..b8848f53c8cc23 100644 --- a/security/integrity/ima/ima_appraise.c +++ b/security/integrity/ima/ima_appraise.c @@ -223,7 +223,7 @@ static int xattr_verify(enum ima_hooks func, struct integrity_iint_cache *iint, case IMA_XATTR_DIGEST_NG: /* first byte contains algorithm id */ hash_start = 1; - /* fall through */ + fallthrough; case IMA_XATTR_DIGEST: if (iint->flags & IMA_DIGSIG_REQUIRED) { *cause = "IMA-signature-required"; @@ -395,7 +395,7 @@ int ima_appraise_measurement(enum ima_hooks func, /* It's fine not to have xattrs when using a modsig. */ if (try_modsig) break; - /* fall through */ + fallthrough; case INTEGRITY_NOLABEL: /* No security.evm xattr. */ cause = "missing-HMAC"; goto out; diff --git a/security/integrity/ima/ima_policy.c b/security/integrity/ima/ima_policy.c index 07f033634b27ad..b4de33074b37da 100644 --- a/security/integrity/ima/ima_policy.c +++ b/security/integrity/ima/ima_policy.c @@ -1279,12 +1279,12 @@ static int ima_parse_rule(char *rule, struct ima_rule_entry *entry) case Opt_uid_gt: case Opt_euid_gt: entry->uid_op = &uid_gt; - /* fall through */ + fallthrough; case Opt_uid_lt: case Opt_euid_lt: if ((token == Opt_uid_lt) || (token == Opt_euid_lt)) entry->uid_op = &uid_lt; - /* fall through */ + fallthrough; case Opt_uid_eq: case Opt_euid_eq: uid_token = (token == Opt_uid_eq) || @@ -1313,11 +1313,11 @@ static int ima_parse_rule(char *rule, struct ima_rule_entry *entry) break; case Opt_fowner_gt: entry->fowner_op = &uid_gt; - /* fall through */ + fallthrough; case Opt_fowner_lt: if (token == Opt_fowner_lt) entry->fowner_op = &uid_lt; - /* fall through */ + fallthrough; case Opt_fowner_eq: ima_log_string_op(ab, "fowner", args[0].from, entry->fowner_op); diff --git a/security/integrity/ima/ima_template_lib.c b/security/integrity/ima/ima_template_lib.c index 41a5f435b793fe..c022ee9e2a4e62 100644 --- a/security/integrity/ima/ima_template_lib.c +++ b/security/integrity/ima/ima_template_lib.c @@ -77,7 +77,7 @@ static void ima_show_template_data_ascii(struct seq_file *m, /* skip ':' and '\0' */ buf_ptr += 2; buflen -= buf_ptr - field_data->data; - /* fall through */ + fallthrough; case DATA_FMT_DIGEST: case DATA_FMT_HEX: if (!buflen) diff --git a/security/keys/process_keys.c b/security/keys/process_keys.c index 7e0232db1707e5..1fe8b934f656f9 100644 --- a/security/keys/process_keys.c +++ b/security/keys/process_keys.c @@ -465,7 +465,7 @@ key_ref_t search_cred_keyrings_rcu(struct keyring_search_context *ctx) case -EAGAIN: /* no key */ if (ret) break; - /* fall through */ + fallthrough; case -ENOKEY: /* negative key */ ret = key_ref; break; @@ -487,7 +487,7 @@ key_ref_t search_cred_keyrings_rcu(struct keyring_search_context *ctx) case -EAGAIN: /* no key */ if (ret) break; - /* fall through */ + fallthrough; case -ENOKEY: /* negative key */ ret = key_ref; break; @@ -509,7 +509,7 @@ key_ref_t search_cred_keyrings_rcu(struct keyring_search_context *ctx) case -EAGAIN: /* no key */ if (ret) break; - /* fall through */ + fallthrough; case -ENOKEY: /* negative key */ ret = key_ref; break; diff --git a/security/keys/request_key.c b/security/keys/request_key.c index e1b9f1a80676e5..2da4404276f0f5 100644 --- a/security/keys/request_key.c +++ b/security/keys/request_key.c @@ -295,26 +295,26 @@ static int construct_get_dest_keyring(struct key **_dest_keyring) } } - /* fall through */ + fallthrough; case KEY_REQKEY_DEFL_THREAD_KEYRING: dest_keyring = key_get(cred->thread_keyring); if (dest_keyring) break; - /* fall through */ + fallthrough; case KEY_REQKEY_DEFL_PROCESS_KEYRING: dest_keyring = key_get(cred->process_keyring); if (dest_keyring) break; - /* fall through */ + fallthrough; case KEY_REQKEY_DEFL_SESSION_KEYRING: dest_keyring = key_get(cred->session_keyring); if (dest_keyring) break; - /* fall through */ + fallthrough; case KEY_REQKEY_DEFL_USER_SESSION_KEYRING: ret = look_up_user_keyrings(NULL, &dest_keyring); if (ret < 0) diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c index ca901025802a9e..a340986aa92e1d 100644 --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c @@ -3606,26 +3606,20 @@ static int selinux_file_ioctl(struct file *file, unsigned int cmd, switch (cmd) { case FIONREAD: - /* fall through */ case FIBMAP: - /* fall through */ case FIGETBSZ: - /* fall through */ case FS_IOC_GETFLAGS: - /* fall through */ case FS_IOC_GETVERSION: error = file_has_perm(cred, file, FILE__GETATTR); break; case FS_IOC_SETFLAGS: - /* fall through */ case FS_IOC_SETVERSION: error = file_has_perm(cred, file, FILE__SETATTR); break; /* sys_ioctl() checks */ case FIONBIO: - /* fall through */ case FIOASYNC: error = file_has_perm(cred, file, 0); break; @@ -3783,7 +3777,7 @@ static int selinux_file_fcntl(struct file *file, unsigned int cmd, err = file_has_perm(cred, file, FILE__WRITE); break; } - /* fall through */ + fallthrough; case F_SETOWN: case F_SETSIG: case F_GETFL: diff --git a/security/selinux/ss/mls.c b/security/selinux/ss/mls.c index 408d306895f8fc..d338962fb0c484 100644 --- a/security/selinux/ss/mls.c +++ b/security/selinux/ss/mls.c @@ -535,7 +535,7 @@ int mls_compute_sid(struct policydb *p, scontext, tcontext); } - /* Fallthrough */ + fallthrough; case AVTAB_CHANGE: if ((tclass == p->process_class) || sock) /* Use the process MLS attributes. */ @@ -546,8 +546,6 @@ int mls_compute_sid(struct policydb *p, case AVTAB_MEMBER: /* Use the process effective MLS attributes. */ return mls_context_cpy_low(newcontext, scontext); - - /* fall through */ } return -EINVAL; } diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c index 8ffbf951b7ed78..8c0893eb5aa8f0 100644 --- a/security/smack/smack_lsm.c +++ b/security/smack/smack_lsm.c @@ -3365,7 +3365,7 @@ static void smack_d_instantiate(struct dentry *opt_dentry, struct inode *inode) * to set mount options simulate setting the * superblock default. */ - /* Fall through */ + fallthrough; default: /* * This isn't an understood special case. diff --git a/security/tomoyo/common.c b/security/tomoyo/common.c index c16b8c1b03e7df..4bee32bfe16d1c 100644 --- a/security/tomoyo/common.c +++ b/security/tomoyo/common.c @@ -1240,7 +1240,7 @@ static bool tomoyo_print_condition(struct tomoyo_io_buffer *head, tomoyo_set_space(head); tomoyo_set_string(head, cond->transit->name); } - /* fall through */ + fallthrough; case 1: { const u16 condc = cond->condc; @@ -1345,12 +1345,12 @@ static bool tomoyo_print_condition(struct tomoyo_io_buffer *head, } } head->r.cond_step++; - /* fall through */ + fallthrough; case 2: if (!tomoyo_flush(head)) break; head->r.cond_step++; - /* fall through */ + fallthrough; case 3: if (cond->grant_log != TOMOYO_GRANTLOG_AUTO) tomoyo_io_printf(head, " grant_log=%s", @@ -1639,7 +1639,7 @@ static void tomoyo_read_domain(struct tomoyo_io_buffer *head) tomoyo_set_string(head, tomoyo_dif[i]); head->r.index = 0; head->r.step++; - /* fall through */ + fallthrough; case 1: while (head->r.index < TOMOYO_MAX_ACL_GROUPS) { i = head->r.index++; @@ -1652,14 +1652,14 @@ static void tomoyo_read_domain(struct tomoyo_io_buffer *head) head->r.index = 0; head->r.step++; tomoyo_set_lf(head); - /* fall through */ + fallthrough; case 2: if (!tomoyo_read_domain2(head, &domain->acl_info_list)) return; head->r.step++; if (!tomoyo_set_lf(head)) return; - /* fall through */ + fallthrough; case 3: head->r.step = 0; if (head->r.print_this_domain_only) @@ -2088,7 +2088,7 @@ int tomoyo_supervisor(struct tomoyo_request_info *r, const char *fmt, ...) /* Check max_learning_entry parameter. */ if (tomoyo_domain_quota_is_ok(r)) break; - /* fall through */ + fallthrough; default: return 0; } @@ -2710,13 +2710,13 @@ ssize_t tomoyo_write_control(struct tomoyo_io_buffer *head, case TOMOYO_DOMAINPOLICY: if (tomoyo_select_domain(head, cp0)) continue; - /* fall through */ + fallthrough; case TOMOYO_EXCEPTIONPOLICY: if (!strcmp(cp0, "select transition_only")) { head->r.print_transition_related_only = true; continue; } - /* fall through */ + fallthrough; default: if (!tomoyo_manager()) { error = -EPERM; diff --git a/security/tomoyo/file.c b/security/tomoyo/file.c index 86f7d1b90212a9..051f7297877cb9 100644 --- a/security/tomoyo/file.c +++ b/security/tomoyo/file.c @@ -927,7 +927,7 @@ int tomoyo_path2_perm(const u8 operation, const struct path *path1, case TOMOYO_TYPE_LINK: if (!d_is_dir(path1->dentry)) break; - /* fall through */ + fallthrough; case TOMOYO_TYPE_PIVOT_ROOT: tomoyo_add_slash(&buf1); tomoyo_add_slash(&buf2); diff --git a/sound/core/oss/mulaw.c b/sound/core/oss/mulaw.c index 3788906421a73d..fe27034f28460e 100644 --- a/sound/core/oss/mulaw.c +++ b/sound/core/oss/mulaw.c @@ -329,8 +329,8 @@ int snd_pcm_plugin_build_mulaw(struct snd_pcm_substream *plug, snd_BUG(); return -EINVAL; } - if (snd_BUG_ON(!snd_pcm_format_linear(format->format))) - return -ENXIO; + if (!snd_pcm_format_linear(format->format)) + return -EINVAL; err = snd_pcm_plugin_build(plug, "Mu-Law<->linear conversion", src_format, dst_format, diff --git a/sound/core/timer.c b/sound/core/timer.c index d9f85f2d66a3d3..6e27d87b18ed6b 100644 --- a/sound/core/timer.c +++ b/sound/core/timer.c @@ -816,9 +816,9 @@ static void snd_timer_clear_callbacks(struct snd_timer *timer, * timer tasklet * */ -static void snd_timer_tasklet(unsigned long arg) +static void snd_timer_tasklet(struct tasklet_struct *t) { - struct snd_timer *timer = (struct snd_timer *) arg; + struct snd_timer *timer = from_tasklet(timer, t, task_queue); unsigned long flags; if (timer->card && timer->card->shutdown) { @@ -967,8 +967,7 @@ int snd_timer_new(struct snd_card *card, char *id, struct snd_timer_id *tid, INIT_LIST_HEAD(&timer->ack_list_head); INIT_LIST_HEAD(&timer->sack_list_head); spin_lock_init(&timer->lock); - tasklet_init(&timer->task_queue, snd_timer_tasklet, - (unsigned long)timer); + tasklet_setup(&timer->task_queue, snd_timer_tasklet); timer->max_instances = 1000; /* default limit per timer */ if (card != NULL) { timer->module = card->module; diff --git a/sound/firewire/amdtp-stream.c b/sound/firewire/amdtp-stream.c index f8586f75441db6..ee1c428b1fd364 100644 --- a/sound/firewire/amdtp-stream.c +++ b/sound/firewire/amdtp-stream.c @@ -64,7 +64,7 @@ #define IT_PKT_HEADER_SIZE_CIP 8 // For 2 CIP header. #define IT_PKT_HEADER_SIZE_NO_CIP 0 // Nothing. -static void pcm_period_tasklet(unsigned long data); +static void pcm_period_tasklet(struct tasklet_struct *t); /** * amdtp_stream_init - initialize an AMDTP stream structure @@ -94,7 +94,7 @@ int amdtp_stream_init(struct amdtp_stream *s, struct fw_unit *unit, s->flags = flags; s->context = ERR_PTR(-1); mutex_init(&s->mutex); - tasklet_init(&s->period_tasklet, pcm_period_tasklet, (unsigned long)s); + tasklet_setup(&s->period_tasklet, pcm_period_tasklet); s->packet_index = 0; init_waitqueue_head(&s->callback_wait); @@ -441,9 +441,9 @@ static void update_pcm_pointers(struct amdtp_stream *s, } } -static void pcm_period_tasklet(unsigned long data) +static void pcm_period_tasklet(struct tasklet_struct *t) { - struct amdtp_stream *s = (void *)data; + struct amdtp_stream *s = from_tasklet(s, t, period_tasklet); struct snd_pcm_substream *pcm = READ_ONCE(s->pcm); if (pcm) diff --git a/sound/firewire/digi00x/digi00x.c b/sound/firewire/digi00x/digi00x.c index c84b913a9fe010..ab8408966ec336 100644 --- a/sound/firewire/digi00x/digi00x.c +++ b/sound/firewire/digi00x/digi00x.c @@ -14,6 +14,7 @@ MODULE_LICENSE("GPL v2"); #define VENDOR_DIGIDESIGN 0x00a07e #define MODEL_CONSOLE 0x000001 #define MODEL_RACK 0x000002 +#define SPEC_VERSION 0x000001 static int name_card(struct snd_dg00x *dg00x) { @@ -175,14 +176,18 @@ static const struct ieee1394_device_id snd_dg00x_id_table[] = { /* Both of 002/003 use the same ID. */ { .match_flags = IEEE1394_MATCH_VENDOR_ID | + IEEE1394_MATCH_VERSION | IEEE1394_MATCH_MODEL_ID, .vendor_id = VENDOR_DIGIDESIGN, + .version = SPEC_VERSION, .model_id = MODEL_CONSOLE, }, { .match_flags = IEEE1394_MATCH_VENDOR_ID | + IEEE1394_MATCH_VERSION | IEEE1394_MATCH_MODEL_ID, .vendor_id = VENDOR_DIGIDESIGN, + .version = SPEC_VERSION, .model_id = MODEL_RACK, }, {} diff --git a/sound/firewire/tascam/tascam.c b/sound/firewire/tascam/tascam.c index 5dac0d9fc58e51..75f2edd8e78fb2 100644 --- a/sound/firewire/tascam/tascam.c +++ b/sound/firewire/tascam/tascam.c @@ -39,9 +39,6 @@ static const struct snd_tscm_spec model_specs[] = { .midi_capture_ports = 2, .midi_playback_ports = 4, }, - // This kernel module doesn't support FE-8 because the most of features - // can be implemented in userspace without any specific support of this - // module. }; static int identify_model(struct snd_tscm *tscm) @@ -211,11 +208,39 @@ static void snd_tscm_remove(struct fw_unit *unit) } static const struct ieee1394_device_id snd_tscm_id_table[] = { + // Tascam, FW-1884. + { + .match_flags = IEEE1394_MATCH_VENDOR_ID | + IEEE1394_MATCH_SPECIFIER_ID | + IEEE1394_MATCH_VERSION, + .vendor_id = 0x00022e, + .specifier_id = 0x00022e, + .version = 0x800000, + }, + // Tascam, FE-8 (.version = 0x800001) + // This kernel module doesn't support FE-8 because the most of features + // can be implemented in userspace without any specific support of this + // module. + // + // .version = 0x800002 is unknown. + // + // Tascam, FW-1082. + { + .match_flags = IEEE1394_MATCH_VENDOR_ID | + IEEE1394_MATCH_SPECIFIER_ID | + IEEE1394_MATCH_VERSION, + .vendor_id = 0x00022e, + .specifier_id = 0x00022e, + .version = 0x800003, + }, + // Tascam, FW-1804. { .match_flags = IEEE1394_MATCH_VENDOR_ID | - IEEE1394_MATCH_SPECIFIER_ID, + IEEE1394_MATCH_SPECIFIER_ID | + IEEE1394_MATCH_VERSION, .vendor_id = 0x00022e, .specifier_id = 0x00022e, + .version = 0x800004, }, {} }; diff --git a/sound/hda/hdac_device.c b/sound/hda/hdac_device.c index 333220f0f8afc0..3e9e9ac804f629 100644 --- a/sound/hda/hdac_device.c +++ b/sound/hda/hdac_device.c @@ -127,6 +127,8 @@ EXPORT_SYMBOL_GPL(snd_hdac_device_init); void snd_hdac_device_exit(struct hdac_device *codec) { pm_runtime_put_noidle(&codec->dev); + /* keep balance of runtime PM child_count in parent device */ + pm_runtime_set_suspended(&codec->dev); snd_hdac_bus_remove_device(codec->bus, codec); kfree(codec->vendor_name); kfree(codec->chip_name); diff --git a/sound/hda/intel-dsp-config.c b/sound/hda/intel-dsp-config.c index 99aec73491676f..1c5114dedda92f 100644 --- a/sound/hda/intel-dsp-config.c +++ b/sound/hda/intel-dsp-config.c @@ -54,7 +54,7 @@ static const struct config_entry config_table[] = { #endif /* * Apollolake (Broxton-P) - * the legacy HDaudio driver is used except on Up Squared (SOF) and + * the legacy HDAudio driver is used except on Up Squared (SOF) and * Chromebooks (SST) */ #if IS_ENABLED(CONFIG_SND_SOC_SOF_APOLLOLAKE) @@ -89,7 +89,7 @@ static const struct config_entry config_table[] = { }, #endif /* - * Skylake and Kabylake use legacy HDaudio driver except for Google + * Skylake and Kabylake use legacy HDAudio driver except for Google * Chromebooks (SST) */ @@ -135,7 +135,7 @@ static const struct config_entry config_table[] = { #endif /* - * Geminilake uses legacy HDaudio driver except for Google + * Geminilake uses legacy HDAudio driver except for Google * Chromebooks */ /* Geminilake */ @@ -157,7 +157,7 @@ static const struct config_entry config_table[] = { /* * CoffeeLake, CannonLake, CometLake, IceLake, TigerLake use legacy - * HDaudio driver except for Google Chromebooks and when DMICs are + * HDAudio driver except for Google Chromebooks and when DMICs are * present. Two cases are required since Coreboot does not expose NHLT * tables. * @@ -391,7 +391,7 @@ int snd_intel_dsp_driver_probe(struct pci_dev *pci) if (pci->class == 0x040300) return SND_INTEL_DSP_DRIVER_LEGACY; if (pci->class != 0x040100 && pci->class != 0x040380) { - dev_err(&pci->dev, "Unknown PCI class/subclass/prog-if information (0x%06x) found, selecting HDA legacy driver\n", pci->class); + dev_err(&pci->dev, "Unknown PCI class/subclass/prog-if information (0x%06x) found, selecting HDAudio legacy driver\n", pci->class); return SND_INTEL_DSP_DRIVER_LEGACY; } diff --git a/sound/pci/asihpi/asihpi.c b/sound/pci/asihpi/asihpi.c index 023c35a2a95139..35e76480306e7e 100644 --- a/sound/pci/asihpi/asihpi.c +++ b/sound/pci/asihpi/asihpi.c @@ -921,10 +921,10 @@ static void snd_card_asihpi_timer_function(struct timer_list *t) add_timer(&dpcm->timer); } -static void snd_card_asihpi_int_task(unsigned long data) +static void snd_card_asihpi_int_task(struct tasklet_struct *t) { - struct hpi_adapter *a = (struct hpi_adapter *)data; - struct snd_card_asihpi *asihpi; + struct snd_card_asihpi *asihpi = from_tasklet(asihpi, t, t); + struct hpi_adapter *a = asihpi->hpi; WARN_ON(!a || !a->snd_card || !a->snd_card->private_data); asihpi = (struct snd_card_asihpi *)a->snd_card->private_data; @@ -2871,8 +2871,7 @@ static int snd_asihpi_probe(struct pci_dev *pci_dev, if (hpi->interrupt_mode) { asihpi->pcm_start = snd_card_asihpi_pcm_int_start; asihpi->pcm_stop = snd_card_asihpi_pcm_int_stop; - tasklet_init(&asihpi->t, snd_card_asihpi_int_task, - (unsigned long)hpi); + tasklet_setup(&asihpi->t, snd_card_asihpi_int_task); hpi->interrupt_callback = snd_card_asihpi_isr; } else { asihpi->pcm_start = snd_card_asihpi_pcm_timer_start; diff --git a/sound/pci/asihpi/hpioctl.c b/sound/pci/asihpi/hpioctl.c index 496dcde9715d6d..9790f5108a1668 100644 --- a/sound/pci/asihpi/hpioctl.c +++ b/sound/pci/asihpi/hpioctl.c @@ -343,7 +343,7 @@ int asihpi_adapter_probe(struct pci_dev *pci_dev, struct hpi_message hm; struct hpi_response hr; struct hpi_adapter adapter; - struct hpi_pci pci; + struct hpi_pci pci = { 0 }; memset(&adapter, 0, sizeof(adapter)); @@ -499,7 +499,7 @@ int asihpi_adapter_probe(struct pci_dev *pci_dev, return 0; err: - for (idx = 0; idx < HPI_MAX_ADAPTER_MEM_SPACES; idx++) { + while (--idx >= 0) { if (pci.ap_mem_base[idx]) { iounmap(pci.ap_mem_base[idx]); pci.ap_mem_base[idx] = NULL; diff --git a/sound/pci/ca0106/ca0106_main.c b/sound/pci/ca0106/ca0106_main.c index 70d775ff967ebe..c189f70c82cb9a 100644 --- a/sound/pci/ca0106/ca0106_main.c +++ b/sound/pci/ca0106/ca0106_main.c @@ -537,7 +537,8 @@ static int snd_ca0106_pcm_power_dac(struct snd_ca0106 *chip, int channel_id, else /* Power down */ chip->spi_dac_reg[reg] |= bit; - return snd_ca0106_spi_write(chip, chip->spi_dac_reg[reg]); + if (snd_ca0106_spi_write(chip, chip->spi_dac_reg[reg]) != 0) + return -ENXIO; } return 0; } diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index e34a4d5d047c18..36a9dbc33aa01f 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -2127,9 +2127,10 @@ static int azx_probe(struct pci_dev *pci, */ if (dmic_detect) { err = snd_intel_dsp_driver_probe(pci); - if (err != SND_INTEL_DSP_DRIVER_ANY && - err != SND_INTEL_DSP_DRIVER_LEGACY) + if (err != SND_INTEL_DSP_DRIVER_ANY && err != SND_INTEL_DSP_DRIVER_LEGACY) { + dev_dbg(&pci->dev, "HDAudio driver not selected, aborting probe\n"); return -ENODEV; + } } else { dev_warn(&pci->dev, "dmic_detect option is deprecated, pass snd-intel-dspcfg.dsp_driver=1 option instead\n"); } @@ -2745,8 +2746,6 @@ static const struct pci_device_id azx_ids[] = { .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_HDMI }, /* Zhaoxin */ { PCI_DEVICE(0x1d17, 0x3288), .driver_data = AZX_DRIVER_ZHAOXIN }, - /* Loongson */ - { PCI_DEVICE(0x0014, 0x7a07), .driver_data = AZX_DRIVER_GENERIC }, { 0, } }; MODULE_DEVICE_TABLE(pci, azx_ids); diff --git a/sound/pci/hda/hda_tegra.c b/sound/pci/hda/hda_tegra.c index c94553bcca888f..70164d1428d404 100644 --- a/sound/pci/hda/hda_tegra.c +++ b/sound/pci/hda/hda_tegra.c @@ -179,6 +179,10 @@ static int __maybe_unused hda_tegra_runtime_suspend(struct device *dev) struct hda_tegra *hda = container_of(chip, struct hda_tegra, chip); if (chip && chip->running) { + /* enable controller wake up event */ + azx_writew(chip, WAKEEN, azx_readw(chip, WAKEEN) | + STATESTS_INT_MASK); + azx_stop_chip(chip); azx_enter_link_reset(chip); } @@ -200,6 +204,9 @@ static int __maybe_unused hda_tegra_runtime_resume(struct device *dev) if (chip && chip->running) { hda_tegra_init(hda); azx_init_chip(chip, 1); + /* disable controller wake up event*/ + azx_writew(chip, WAKEEN, azx_readw(chip, WAKEEN) & + ~STATESTS_INT_MASK); } return 0; diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c index b8c8490e568b7e..40205008809052 100644 --- a/sound/pci/hda/patch_hdmi.c +++ b/sound/pci/hda/patch_hdmi.c @@ -2794,6 +2794,7 @@ static void i915_pin_cvt_fixup(struct hda_codec *codec, hda_nid_t cvt_nid) { if (per_pin) { + haswell_verify_D0(codec, per_pin->cvt_nid, per_pin->pin_nid); snd_hda_set_dev_select(codec, per_pin->pin_nid, per_pin->dev_id); intel_verify_pin_cvt_connect(codec, per_pin); @@ -3734,6 +3735,7 @@ static int tegra_hdmi_build_pcms(struct hda_codec *codec) static int patch_tegra_hdmi(struct hda_codec *codec) { + struct hdmi_spec *spec; int err; err = patch_generic_hdmi(codec); @@ -3741,6 +3743,10 @@ static int patch_tegra_hdmi(struct hda_codec *codec) return err; codec->patch_ops.build_pcms = tegra_hdmi_build_pcms; + spec = codec->spec; + spec->chmap.ops.chmap_cea_alloc_validate_get_type = + nvhdmi_chmap_cea_alloc_validate_get_type; + spec->chmap.ops.chmap_validate = nvhdmi_chmap_validate; return 0; } @@ -4263,6 +4269,7 @@ HDA_CODEC_ENTRY(0x8086280c, "Cannonlake HDMI", patch_i915_glk_hdmi), HDA_CODEC_ENTRY(0x8086280d, "Geminilake HDMI", patch_i915_glk_hdmi), HDA_CODEC_ENTRY(0x8086280f, "Icelake HDMI", patch_i915_icl_hdmi), HDA_CODEC_ENTRY(0x80862812, "Tigerlake HDMI", patch_i915_tgl_hdmi), +HDA_CODEC_ENTRY(0x80862816, "Rocketlake HDMI", patch_i915_tgl_hdmi), HDA_CODEC_ENTRY(0x8086281a, "Jasperlake HDMI", patch_i915_icl_hdmi), HDA_CODEC_ENTRY(0x8086281b, "Elkhartlake HDMI", patch_i915_icl_hdmi), HDA_CODEC_ENTRY(0x80862880, "CedarTrail HDMI", patch_generic_hdmi), diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index a1fa983d2a942f..d4f17b46589271 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -3427,7 +3427,11 @@ static void alc256_shutup(struct hda_codec *codec) /* 3k pull low control for Headset jack. */ /* NOTE: call this before clearing the pin, otherwise codec stalls */ - alc_update_coef_idx(codec, 0x46, 0, 3 << 12); + /* If disable 3k pulldown control for alc257, the Mic detection will not work correctly + * when booting with headset plugged. So skip setting it for the codec alc257 + */ + if (codec->core.vendor_id != 0x10ec0257) + alc_update_coef_idx(codec, 0x46, 0, 3 << 12); if (!spec->no_shutup_pins) snd_hda_codec_write(codec, hp_pin, 0, @@ -5867,6 +5871,39 @@ static void alc275_fixup_gpio4_off(struct hda_codec *codec, } } +/* Quirk for Thinkpad X1 7th and 8th Gen + * The following fixed routing needed + * DAC1 (NID 0x02) -> Speaker (NID 0x14); some eq applied secretly + * DAC2 (NID 0x03) -> Bass (NID 0x17) & Headphone (NID 0x21); sharing a DAC + * DAC3 (NID 0x06) -> Unused, due to the lack of volume amp + */ +static void alc285_fixup_thinkpad_x1_gen7(struct hda_codec *codec, + const struct hda_fixup *fix, int action) +{ + static const hda_nid_t conn[] = { 0x02, 0x03 }; /* exclude 0x06 */ + static const hda_nid_t preferred_pairs[] = { + 0x14, 0x02, 0x17, 0x03, 0x21, 0x03, 0 + }; + struct alc_spec *spec = codec->spec; + + switch (action) { + case HDA_FIXUP_ACT_PRE_PROBE: + snd_hda_override_conn_list(codec, 0x17, ARRAY_SIZE(conn), conn); + spec->gen.preferred_dacs = preferred_pairs; + break; + case HDA_FIXUP_ACT_BUILD: + /* The generic parser creates somewhat unintuitive volume ctls + * with the fixed routing above, and the shared DAC2 may be + * confusing for PA. + * Rename those to unique names so that PA doesn't touch them + * and use only Master volume. + */ + rename_ctl(codec, "Front Playback Volume", "DAC1 Playback Volume"); + rename_ctl(codec, "Bass Speaker Playback Volume", "DAC2 Playback Volume"); + break; + } +} + static void alc233_alc662_fixup_lenovo_dual_codecs(struct hda_codec *codec, const struct hda_fixup *fix, int action) @@ -5959,6 +5996,40 @@ static void alc_fixup_disable_mic_vref(struct hda_codec *codec, snd_hda_codec_set_pin_target(codec, 0x19, PIN_VREFHIZ); } + +static void alc294_gx502_toggle_output(struct hda_codec *codec, + struct hda_jack_callback *cb) +{ + /* The Windows driver sets the codec up in a very different way where + * it appears to leave 0x10 = 0x8a20 set. For Linux we need to toggle it + */ + if (snd_hda_jack_detect_state(codec, 0x21) == HDA_JACK_PRESENT) + alc_write_coef_idx(codec, 0x10, 0x8a20); + else + alc_write_coef_idx(codec, 0x10, 0x0a20); +} + +static void alc294_fixup_gx502_hp(struct hda_codec *codec, + const struct hda_fixup *fix, int action) +{ + /* Pin 0x21: headphones/headset mic */ + if (!is_jack_detectable(codec, 0x21)) + return; + + switch (action) { + case HDA_FIXUP_ACT_PRE_PROBE: + snd_hda_jack_detect_enable_callback(codec, 0x21, + alc294_gx502_toggle_output); + break; + case HDA_FIXUP_ACT_INIT: + /* Make sure to start in a correct state, i.e. if + * headphones have been plugged in before powering up the system + */ + alc294_gx502_toggle_output(codec, NULL); + break; + } +} + static void alc285_fixup_hp_gpio_amp_init(struct hda_codec *codec, const struct hda_fixup *fix, int action) { @@ -5983,6 +6054,7 @@ static void alc_fixup_thinkpad_acpi(struct hda_codec *codec, #include "hp_x360_helper.c" enum { + ALC269_FIXUP_GPIO2, ALC269_FIXUP_SONY_VAIO, ALC275_FIXUP_SONY_VAIO_GPIO2, ALC269_FIXUP_DELL_M101Z, @@ -6135,9 +6207,13 @@ enum { ALC289_FIXUP_DUAL_SPK, ALC294_FIXUP_SPK2_TO_DAC1, ALC294_FIXUP_ASUS_DUAL_SPK, + ALC285_FIXUP_THINKPAD_X1_GEN7, ALC285_FIXUP_THINKPAD_HEADSET_JACK, ALC294_FIXUP_ASUS_HPE, ALC294_FIXUP_ASUS_COEF_1B, + ALC294_FIXUP_ASUS_GX502_HP, + ALC294_FIXUP_ASUS_GX502_PINS, + ALC294_FIXUP_ASUS_GX502_VERBS, ALC285_FIXUP_HP_GPIO_LED, ALC285_FIXUP_HP_MUTE_LED, ALC236_FIXUP_HP_MUTE_LED, @@ -6156,9 +6232,14 @@ enum { ALC269_FIXUP_LEMOTE_A1802, ALC269_FIXUP_LEMOTE_A190X, ALC256_FIXUP_INTEL_NUC8_RUGGED, + ALC255_FIXUP_XIAOMI_HEADSET_MIC, }; static const struct hda_fixup alc269_fixups[] = { + [ALC269_FIXUP_GPIO2] = { + .type = HDA_FIXUP_FUNC, + .v.func = alc_fixup_gpio2, + }, [ALC269_FIXUP_SONY_VAIO] = { .type = HDA_FIXUP_PINCTLS, .v.pins = (const struct hda_pintbl[]) { @@ -6978,6 +7059,8 @@ static const struct hda_fixup alc269_fixups[] = { [ALC233_FIXUP_LENOVO_MULTI_CODECS] = { .type = HDA_FIXUP_FUNC, .v.func = alc233_alc662_fixup_lenovo_dual_codecs, + .chained = true, + .chain_id = ALC269_FIXUP_GPIO2 }, [ALC233_FIXUP_ACER_HEADSET_MIC] = { .type = HDA_FIXUP_VERBS, @@ -7280,11 +7363,17 @@ static const struct hda_fixup alc269_fixups[] = { .chained = true, .chain_id = ALC294_FIXUP_SPK2_TO_DAC1 }, + [ALC285_FIXUP_THINKPAD_X1_GEN7] = { + .type = HDA_FIXUP_FUNC, + .v.func = alc285_fixup_thinkpad_x1_gen7, + .chained = true, + .chain_id = ALC269_FIXUP_THINKPAD_ACPI + }, [ALC285_FIXUP_THINKPAD_HEADSET_JACK] = { .type = HDA_FIXUP_FUNC, .v.func = alc_fixup_headset_jack, .chained = true, - .chain_id = ALC285_FIXUP_SPEAKER2_TO_DAC1 + .chain_id = ALC285_FIXUP_THINKPAD_X1_GEN7 }, [ALC294_FIXUP_ASUS_HPE] = { .type = HDA_FIXUP_VERBS, @@ -7297,6 +7386,33 @@ static const struct hda_fixup alc269_fixups[] = { .chained = true, .chain_id = ALC294_FIXUP_ASUS_HEADSET_MIC }, + [ALC294_FIXUP_ASUS_GX502_PINS] = { + .type = HDA_FIXUP_PINS, + .v.pins = (const struct hda_pintbl[]) { + { 0x19, 0x03a11050 }, /* front HP mic */ + { 0x1a, 0x01a11830 }, /* rear external mic */ + { 0x21, 0x03211020 }, /* front HP out */ + { } + }, + .chained = true, + .chain_id = ALC294_FIXUP_ASUS_GX502_VERBS + }, + [ALC294_FIXUP_ASUS_GX502_VERBS] = { + .type = HDA_FIXUP_VERBS, + .v.verbs = (const struct hda_verb[]) { + /* set 0x15 to HP-OUT ctrl */ + { 0x15, AC_VERB_SET_PIN_WIDGET_CONTROL, 0xc0 }, + /* unmute the 0x15 amp */ + { 0x15, AC_VERB_SET_AMP_GAIN_MUTE, 0xb000 }, + { } + }, + .chained = true, + .chain_id = ALC294_FIXUP_ASUS_GX502_HP + }, + [ALC294_FIXUP_ASUS_GX502_HP] = { + .type = HDA_FIXUP_FUNC, + .v.func = alc294_fixup_gx502_hp, + }, [ALC294_FIXUP_ASUS_COEF_1B] = { .type = HDA_FIXUP_VERBS, .v.verbs = (const struct hda_verb[]) { @@ -7486,6 +7602,16 @@ static const struct hda_fixup alc269_fixups[] = { .chained = true, .chain_id = ALC269_FIXUP_HEADSET_MODE }, + [ALC255_FIXUP_XIAOMI_HEADSET_MIC] = { + .type = HDA_FIXUP_VERBS, + .v.verbs = (const struct hda_verb[]) { + { 0x20, AC_VERB_SET_COEF_INDEX, 0x45 }, + { 0x20, AC_VERB_SET_PROC_COEF, 0x5089 }, + { } + }, + .chained = true, + .chain_id = ALC289_FIXUP_ASUS_GA401 + }, }; static const struct snd_pci_quirk alc269_fixup_tbl[] = { @@ -7670,6 +7796,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x1043, 0x1ccd, "ASUS X555UB", ALC256_FIXUP_ASUS_MIC), SND_PCI_QUIRK(0x1043, 0x1e11, "ASUS Zephyrus G15", ALC289_FIXUP_ASUS_GA502), SND_PCI_QUIRK(0x1043, 0x1f11, "ASUS Zephyrus G14", ALC289_FIXUP_ASUS_GA401), + SND_PCI_QUIRK(0x1043, 0x1881, "ASUS Zephyrus S/M", ALC294_FIXUP_ASUS_GX502_PINS), SND_PCI_QUIRK(0x1043, 0x3030, "ASUS ZN270IE", ALC256_FIXUP_ASUS_AIO_GPIO2), SND_PCI_QUIRK(0x1043, 0x831a, "ASUS P901", ALC269_FIXUP_STEREO_DMIC), SND_PCI_QUIRK(0x1043, 0x834a, "ASUS S101", ALC269_FIXUP_STEREO_DMIC), @@ -7695,7 +7822,8 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x144d, 0xc169, "Samsung Notebook 9 Pen (NP930SBE-K01US)", ALC298_FIXUP_SAMSUNG_HEADPHONE_VERY_QUIET), SND_PCI_QUIRK(0x144d, 0xc176, "Samsung Notebook 9 Pro (NP930MBE-K04US)", ALC298_FIXUP_SAMSUNG_HEADPHONE_VERY_QUIET), SND_PCI_QUIRK(0x144d, 0xc189, "Samsung Galaxy Flex Book (NT950QCG-X716)", ALC298_FIXUP_SAMSUNG_HEADPHONE_VERY_QUIET), - SND_PCI_QUIRK(0x144d, 0xc18a, "Samsung Galaxy Book Ion (NT950XCJ-X716A)", ALC298_FIXUP_SAMSUNG_HEADPHONE_VERY_QUIET), + SND_PCI_QUIRK(0x144d, 0xc18a, "Samsung Galaxy Book Ion (NP930XCJ-K01US)", ALC298_FIXUP_SAMSUNG_HEADPHONE_VERY_QUIET), + SND_PCI_QUIRK(0x144d, 0xc830, "Samsung Galaxy Book Ion (NT950XCJ-X716A)", ALC298_FIXUP_SAMSUNG_HEADPHONE_VERY_QUIET), SND_PCI_QUIRK(0x144d, 0xc740, "Samsung Ativ book 8 (NP870Z5G)", ALC269_FIXUP_ATIV_BOOK_8), SND_PCI_QUIRK(0x144d, 0xc812, "Samsung Notebook Pen S (NT950SBE-X58)", ALC298_FIXUP_SAMSUNG_HEADPHONE_VERY_QUIET), SND_PCI_QUIRK(0x1458, 0xfa53, "Gigabyte BXBT-2807", ALC283_FIXUP_HEADSET_MIC), @@ -7781,6 +7909,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x1b35, 0x1236, "CZC TMI", ALC269_FIXUP_CZC_TMI), SND_PCI_QUIRK(0x1b35, 0x1237, "CZC L101", ALC269_FIXUP_CZC_L101), SND_PCI_QUIRK(0x1b7d, 0xa831, "Ordissimo EVE2 ", ALC269VB_FIXUP_ORDISSIMO_EVE2), /* Also known as Malata PC-B1303 */ + SND_PCI_QUIRK(0x1d72, 0x1602, "RedmiBook", ALC255_FIXUP_XIAOMI_HEADSET_MIC), SND_PCI_QUIRK(0x1d72, 0x1901, "RedmiBook 14", ALC256_FIXUP_ASUS_HEADSET_MIC), SND_PCI_QUIRK(0x10ec, 0x118c, "Medion EE4254 MD62100", ALC256_FIXUP_MEDION_HEADSET_NO_PRESENCE), SND_PCI_QUIRK(0x1c06, 0x2013, "Lemote A1802", ALC269_FIXUP_LEMOTE_A1802), @@ -7958,6 +8087,7 @@ static const struct hda_model_fixup alc269_fixup_models[] = { {.id = ALC298_FIXUP_HUAWEI_MBX_STEREO, .name = "huawei-mbx-stereo"}, {.id = ALC256_FIXUP_MEDION_HEADSET_NO_PRESENCE, .name = "alc256-medion-headset"}, {.id = ALC298_FIXUP_SAMSUNG_HEADPHONE_VERY_QUIET, .name = "alc298-samsung-headphone"}, + {.id = ALC255_FIXUP_XIAOMI_HEADSET_MIC, .name = "alc255-xiaomi-headset"}, {} }; #define ALC225_STANDARD_PINS \ diff --git a/sound/pci/riptide/riptide.c b/sound/pci/riptide/riptide.c index b4f30028182272..098c69b3b7aaee 100644 --- a/sound/pci/riptide/riptide.c +++ b/sound/pci/riptide/riptide.c @@ -1070,9 +1070,9 @@ getmixer(struct cmdif *cif, short num, unsigned short *rval, return 0; } -static void riptide_handleirq(unsigned long dev_id) +static void riptide_handleirq(struct tasklet_struct *t) { - struct snd_riptide *chip = (void *)dev_id; + struct snd_riptide *chip = from_tasklet(chip, t, riptide_tq); struct cmdif *cif = chip->cif; struct snd_pcm_substream *substream[PLAYBACK_SUBSTREAMS + 1]; struct snd_pcm_runtime *runtime; @@ -1843,7 +1843,7 @@ snd_riptide_create(struct snd_card *card, struct pci_dev *pci, chip->received_irqs = 0; chip->handled_irqs = 0; chip->cif = NULL; - tasklet_init(&chip->riptide_tq, riptide_handleirq, (unsigned long)chip); + tasklet_setup(&chip->riptide_tq, riptide_handleirq); if ((chip->res_port = request_region(chip->port, 64, "RIPTIDE")) == NULL) { diff --git a/sound/pci/rme9652/hdsp.c b/sound/pci/rme9652/hdsp.c index 227aece17e3908..dda56ecfd33b95 100644 --- a/sound/pci/rme9652/hdsp.c +++ b/sound/pci/rme9652/hdsp.c @@ -3791,9 +3791,9 @@ static int snd_hdsp_set_defaults(struct hdsp *hdsp) return 0; } -static void hdsp_midi_tasklet(unsigned long arg) +static void hdsp_midi_tasklet(struct tasklet_struct *t) { - struct hdsp *hdsp = (struct hdsp *)arg; + struct hdsp *hdsp = from_tasklet(hdsp, t, midi_tasklet); if (hdsp->midi[0].pending) snd_hdsp_midi_input_read (&hdsp->midi[0]); @@ -5182,7 +5182,7 @@ static int snd_hdsp_create(struct snd_card *card, spin_lock_init(&hdsp->lock); - tasklet_init(&hdsp->midi_tasklet, hdsp_midi_tasklet, (unsigned long)hdsp); + tasklet_setup(&hdsp->midi_tasklet, hdsp_midi_tasklet); pci_read_config_word(hdsp->pci, PCI_CLASS_REVISION, &hdsp->firmware_rev); hdsp->firmware_rev &= 0xff; diff --git a/sound/pci/rme9652/hdspm.c b/sound/pci/rme9652/hdspm.c index 0fa49f4d15cff7..572350aaf18d05 100644 --- a/sound/pci/rme9652/hdspm.c +++ b/sound/pci/rme9652/hdspm.c @@ -2169,9 +2169,9 @@ static int snd_hdspm_create_midi(struct snd_card *card, } -static void hdspm_midi_tasklet(unsigned long arg) +static void hdspm_midi_tasklet(struct tasklet_struct *t) { - struct hdspm *hdspm = (struct hdspm *)arg; + struct hdspm *hdspm = from_tasklet(hdspm, t, midi_tasklet); int i = 0; while (i < hdspm->midiPorts) { @@ -6836,8 +6836,7 @@ static int snd_hdspm_create(struct snd_card *card, } - tasklet_init(&hdspm->midi_tasklet, - hdspm_midi_tasklet, (unsigned long) hdspm); + tasklet_setup(&hdspm->midi_tasklet, hdspm_midi_tasklet); if (hdspm->io_type != MADIface) { diff --git a/sound/ppc/snd_ps3.c b/sound/ppc/snd_ps3.c index b8161a08f2ca98..58bb49fff18471 100644 --- a/sound/ppc/snd_ps3.c +++ b/sound/ppc/snd_ps3.c @@ -227,14 +227,14 @@ static int snd_ps3_program_dma(struct snd_ps3_card_info *card, switch (filltype) { case SND_PS3_DMA_FILLTYPE_SILENT_FIRSTFILL: silent = 1; - /* intentionally fall thru */ + fallthrough; case SND_PS3_DMA_FILLTYPE_FIRSTFILL: ch0_kick_event = PS3_AUDIO_KICK_EVENT_ALWAYS; break; case SND_PS3_DMA_FILLTYPE_SILENT_RUNNING: silent = 1; - /* intentionally fall thru */ + fallthrough; case SND_PS3_DMA_FILLTYPE_RUNNING: ch0_kick_event = PS3_AUDIO_KICK_EVENT_SERIALOUT0_EMPTY; break; diff --git a/sound/soc/atmel/mchp-i2s-mcc.c b/sound/soc/atmel/mchp-i2s-mcc.c index 3cb63886195ff5..04acc18f2d72ce 100644 --- a/sound/soc/atmel/mchp-i2s-mcc.c +++ b/sound/soc/atmel/mchp-i2s-mcc.c @@ -536,7 +536,7 @@ static int mchp_i2s_mcc_hw_params(struct snd_pcm_substream *substream, /* cpu is BCLK master */ mrb |= MCHP_I2SMCC_MRB_CLKSEL_INT; set_divs = 1; - /* fall through */ + fallthrough; case SND_SOC_DAIFMT_CBM_CFM: /* cpu is slave */ mra |= MCHP_I2SMCC_MRA_MODE_SLAVE; diff --git a/sound/soc/codecs/jz4770.c b/sound/soc/codecs/jz4770.c index c0a28f06b09a7d..298689a07168d0 100644 --- a/sound/soc/codecs/jz4770.c +++ b/sound/soc/codecs/jz4770.c @@ -202,7 +202,7 @@ static int jz4770_codec_set_bias_level(struct snd_soc_component *codec, REG_CR_VIC_SB_SLEEP, REG_CR_VIC_SB_SLEEP); regmap_update_bits(regmap, JZ4770_CODEC_REG_CR_VIC, REG_CR_VIC_SB, REG_CR_VIC_SB); - /* fall-through */ + fallthrough; default: break; } diff --git a/sound/soc/codecs/max98373-sdw.c b/sound/soc/codecs/max98373-sdw.c index 5fe724728e84e9..e4675cfff7b2f9 100644 --- a/sound/soc/codecs/max98373-sdw.c +++ b/sound/soc/codecs/max98373-sdw.c @@ -838,8 +838,8 @@ static int max98373_sdw_probe(struct sdw_slave *slave, /* Regmap Initialization */ regmap = devm_regmap_init_sdw(slave, &max98373_sdw_regmap); - if (!regmap) - return -EINVAL; + if (IS_ERR(regmap)) + return PTR_ERR(regmap); return max98373_init(slave, regmap); } diff --git a/sound/soc/codecs/pcm186x.c b/sound/soc/codecs/pcm186x.c index f0da55901dcbe3..b8845f45549ea2 100644 --- a/sound/soc/codecs/pcm186x.c +++ b/sound/soc/codecs/pcm186x.c @@ -401,7 +401,7 @@ static int pcm186x_set_fmt(struct snd_soc_dai *dai, unsigned int format) break; case SND_SOC_DAIFMT_DSP_A: priv->tdm_offset += 1; - /* fall through */ + fallthrough; /* DSP_A uses the same basic config as DSP_B * except we need to shift the TDM output by one BCK cycle */ diff --git a/sound/soc/codecs/pcm3168a.c b/sound/soc/codecs/pcm3168a.c index 5e445fee4ef578..821e7395f90f69 100644 --- a/sound/soc/codecs/pcm3168a.c +++ b/sound/soc/codecs/pcm3168a.c @@ -306,6 +306,13 @@ static int pcm3168a_set_dai_sysclk(struct snd_soc_dai *dai, struct pcm3168a_priv *pcm3168a = snd_soc_component_get_drvdata(dai->component); int ret; + /* + * Some sound card sets 0 Hz as reset, + * but it is impossible to set. Ignore it here + */ + if (freq == 0) + return 0; + if (freq > PCM3168A_MAX_SYSCLK) return -EINVAL; diff --git a/sound/soc/codecs/rt1308-sdw.c b/sound/soc/codecs/rt1308-sdw.c index b0ba0d2acbdd64..56e952a904a39d 100644 --- a/sound/soc/codecs/rt1308-sdw.c +++ b/sound/soc/codecs/rt1308-sdw.c @@ -684,8 +684,8 @@ static int rt1308_sdw_probe(struct sdw_slave *slave, /* Regmap Initialization */ regmap = devm_regmap_init_sdw(slave, &rt1308_sdw_regmap); - if (!regmap) - return -EINVAL; + if (IS_ERR(regmap)) + return PTR_ERR(regmap); rt1308_sdw_init(&slave->dev, regmap, slave); diff --git a/sound/soc/codecs/rt700-sdw.c b/sound/soc/codecs/rt700-sdw.c index 4d14048d119768..1d24bf0407182c 100644 --- a/sound/soc/codecs/rt700-sdw.c +++ b/sound/soc/codecs/rt700-sdw.c @@ -452,8 +452,8 @@ static int rt700_sdw_probe(struct sdw_slave *slave, /* Regmap Initialization */ sdw_regmap = devm_regmap_init_sdw(slave, &rt700_sdw_regmap); - if (!sdw_regmap) - return -EINVAL; + if (IS_ERR(sdw_regmap)) + return PTR_ERR(sdw_regmap); regmap = devm_regmap_init(&slave->dev, NULL, &slave->dev, &rt700_regmap); diff --git a/sound/soc/codecs/rt711-sdw.c b/sound/soc/codecs/rt711-sdw.c index 45b928954b580e..7efff130a638c9 100644 --- a/sound/soc/codecs/rt711-sdw.c +++ b/sound/soc/codecs/rt711-sdw.c @@ -452,8 +452,8 @@ static int rt711_sdw_probe(struct sdw_slave *slave, /* Regmap Initialization */ sdw_regmap = devm_regmap_init_sdw(slave, &rt711_sdw_regmap); - if (!sdw_regmap) - return -EINVAL; + if (IS_ERR(sdw_regmap)) + return PTR_ERR(sdw_regmap); regmap = devm_regmap_init(&slave->dev, NULL, &slave->dev, &rt711_regmap); diff --git a/sound/soc/codecs/rt715-sdw.c b/sound/soc/codecs/rt715-sdw.c index d11b23d6b240a3..68a36739f1b0d1 100644 --- a/sound/soc/codecs/rt715-sdw.c +++ b/sound/soc/codecs/rt715-sdw.c @@ -527,8 +527,8 @@ static int rt715_sdw_probe(struct sdw_slave *slave, /* Regmap Initialization */ sdw_regmap = devm_regmap_init_sdw(slave, &rt715_sdw_regmap); - if (!sdw_regmap) - return -EINVAL; + if (IS_ERR(sdw_regmap)) + return PTR_ERR(sdw_regmap); regmap = devm_regmap_init(&slave->dev, NULL, &slave->dev, &rt715_regmap); diff --git a/sound/soc/codecs/tlv320adcx140.c b/sound/soc/codecs/tlv320adcx140.c index 5cd50d8411778d..8efe20605f9be0 100644 --- a/sound/soc/codecs/tlv320adcx140.c +++ b/sound/soc/codecs/tlv320adcx140.c @@ -842,6 +842,18 @@ static int adcx140_codec_probe(struct snd_soc_component *component) if (ret) goto out; + if (adcx140->supply_areg == NULL) + sleep_cfg_val |= ADCX140_AREG_INTERNAL; + + ret = regmap_write(adcx140->regmap, ADCX140_SLEEP_CFG, sleep_cfg_val); + if (ret) { + dev_err(adcx140->dev, "setting sleep config failed %d\n", ret); + goto out; + } + + /* 8.4.3: Wait >= 1ms after entering active mode. */ + usleep_range(1000, 100000); + pdm_count = device_property_count_u32(adcx140->dev, "ti,pdm-edge-select"); if (pdm_count <= ADCX140_NUM_PDM_EDGES && pdm_count > 0) { @@ -889,18 +901,6 @@ static int adcx140_codec_probe(struct snd_soc_component *component) if (ret) goto out; - if (adcx140->supply_areg == NULL) - sleep_cfg_val |= ADCX140_AREG_INTERNAL; - - ret = regmap_write(adcx140->regmap, ADCX140_SLEEP_CFG, sleep_cfg_val); - if (ret) { - dev_err(adcx140->dev, "setting sleep config failed %d\n", ret); - goto out; - } - - /* 8.4.3: Wait >= 1ms after entering active mode. */ - usleep_range(1000, 100000); - ret = regmap_update_bits(adcx140->regmap, ADCX140_BIAS_CFG, ADCX140_MIC_BIAS_VAL_MSK | ADCX140_MIC_BIAS_VREF_MSK, bias_cfg); @@ -980,6 +980,8 @@ static int adcx140_i2c_probe(struct i2c_client *i2c, if (!adcx140) return -ENOMEM; + adcx140->dev = &i2c->dev; + adcx140->gpio_reset = devm_gpiod_get_optional(adcx140->dev, "reset", GPIOD_OUT_LOW); if (IS_ERR(adcx140->gpio_reset)) @@ -1007,7 +1009,7 @@ static int adcx140_i2c_probe(struct i2c_client *i2c, ret); return ret; } - adcx140->dev = &i2c->dev; + i2c_set_clientdata(i2c, adcx140); return devm_snd_soc_register_component(&i2c->dev, diff --git a/sound/soc/codecs/wm8994.c b/sound/soc/codecs/wm8994.c index 038be667c1a618..fc9ea198ac7990 100644 --- a/sound/soc/codecs/wm8994.c +++ b/sound/soc/codecs/wm8994.c @@ -3514,6 +3514,8 @@ int wm8994_mic_detect(struct snd_soc_component *component, struct snd_soc_jack * return -EINVAL; } + pm_runtime_get_sync(component->dev); + switch (micbias) { case 1: micdet = &wm8994->micdet[0]; @@ -3561,6 +3563,8 @@ int wm8994_mic_detect(struct snd_soc_component *component, struct snd_soc_jack * snd_soc_dapm_sync(dapm); + pm_runtime_put(component->dev); + return 0; } EXPORT_SYMBOL_GPL(wm8994_mic_detect); @@ -3932,6 +3936,8 @@ int wm8958_mic_detect(struct snd_soc_component *component, struct snd_soc_jack * return -EINVAL; } + pm_runtime_get_sync(component->dev); + if (jack) { snd_soc_dapm_force_enable_pin(dapm, "CLK_SYS"); snd_soc_dapm_sync(dapm); @@ -4000,6 +4006,8 @@ int wm8958_mic_detect(struct snd_soc_component *component, struct snd_soc_jack * snd_soc_dapm_sync(dapm); } + pm_runtime_put(component->dev); + return 0; } EXPORT_SYMBOL_GPL(wm8958_mic_detect); @@ -4193,11 +4201,13 @@ static int wm8994_component_probe(struct snd_soc_component *component) wm8994->hubs.dcs_readback_mode = 2; break; } + wm8994->hubs.micd_scthr = true; break; case WM8958: wm8994->hubs.dcs_readback_mode = 1; wm8994->hubs.hp_startup_mode = 1; + wm8994->hubs.micd_scthr = true; switch (control->revision) { case 0: diff --git a/sound/soc/codecs/wm_hubs.c b/sound/soc/codecs/wm_hubs.c index 891effe220fec7..0c881846f485fa 100644 --- a/sound/soc/codecs/wm_hubs.c +++ b/sound/soc/codecs/wm_hubs.c @@ -1223,6 +1223,9 @@ int wm_hubs_handle_analogue_pdata(struct snd_soc_component *component, snd_soc_component_update_bits(component, WM8993_ADDITIONAL_CONTROL, WM8993_LINEOUT2_FB, WM8993_LINEOUT2_FB); + if (!hubs->micd_scthr) + return 0; + snd_soc_component_update_bits(component, WM8993_MICBIAS, WM8993_JD_SCTHR_MASK | WM8993_JD_THR_MASK | WM8993_MICB1_LVL | WM8993_MICB2_LVL, diff --git a/sound/soc/codecs/wm_hubs.h b/sound/soc/codecs/wm_hubs.h index 4b8e5f0d6e32d8..988b29e6306072 100644 --- a/sound/soc/codecs/wm_hubs.h +++ b/sound/soc/codecs/wm_hubs.h @@ -27,6 +27,7 @@ struct wm_hubs_data { int hp_startup_mode; int series_startup; int no_series_update; + bool micd_scthr; bool no_cache_dac_hp_direct; struct list_head dcs_cache; diff --git a/sound/soc/fsl/fsl_esai.c b/sound/soc/fsl/fsl_esai.c index 4ae36099ae82f0..79b861afd98607 100644 --- a/sound/soc/fsl/fsl_esai.c +++ b/sound/soc/fsl/fsl_esai.c @@ -708,9 +708,9 @@ static void fsl_esai_trigger_stop(struct fsl_esai *esai_priv, bool tx) ESAI_xFCR_xFR, 0); } -static void fsl_esai_hw_reset(unsigned long arg) +static void fsl_esai_hw_reset(struct tasklet_struct *t) { - struct fsl_esai *esai_priv = (struct fsl_esai *)arg; + struct fsl_esai *esai_priv = from_tasklet(esai_priv, t, task); bool tx = true, rx = false, enabled[2]; unsigned long lock_flags; u32 tfcr, rfcr; @@ -1070,8 +1070,7 @@ static int fsl_esai_probe(struct platform_device *pdev) return ret; } - tasklet_init(&esai_priv->task, fsl_esai_hw_reset, - (unsigned long)esai_priv); + tasklet_setup(&esai_priv->task, fsl_esai_hw_reset); pm_runtime_enable(&pdev->dev); diff --git a/sound/soc/fsl/fsl_ssi.c b/sound/soc/fsl/fsl_ssi.c index d8b9c654714205..404be27c15fed8 100644 --- a/sound/soc/fsl/fsl_ssi.c +++ b/sound/soc/fsl/fsl_ssi.c @@ -898,7 +898,7 @@ static int _fsl_ssi_set_dai_fmt(struct fsl_ssi *ssi, unsigned int fmt) "missing baudclk for master mode\n"); return -EINVAL; } - /* fall through */ + fallthrough; case SND_SOC_DAIFMT_CBM_CFS: ssi->i2s_net |= SSI_SCR_I2S_MODE_MASTER; break; diff --git a/sound/soc/hisilicon/hi6210-i2s.c b/sound/soc/hisilicon/hi6210-i2s.c index fd5dcd6b9f8565..907f5f1f7b445e 100644 --- a/sound/soc/hisilicon/hi6210-i2s.c +++ b/sound/soc/hisilicon/hi6210-i2s.c @@ -261,13 +261,13 @@ static int hi6210_i2s_hw_params(struct snd_pcm_substream *substream, switch (params_format(params)) { case SNDRV_PCM_FORMAT_U16_LE: signed_data = HII2S_I2S_CFG__S2_CODEC_DATA_FORMAT; - /* fall through */ + fallthrough; case SNDRV_PCM_FORMAT_S16_LE: bits = HII2S_BITS_16; break; case SNDRV_PCM_FORMAT_U24_LE: signed_data = HII2S_I2S_CFG__S2_CODEC_DATA_FORMAT; - /* fall through */ + fallthrough; case SNDRV_PCM_FORMAT_S24_LE: bits = HII2S_BITS_24; break; diff --git a/sound/soc/intel/atom/sst-mfld-platform-pcm.c b/sound/soc/intel/atom/sst-mfld-platform-pcm.c index b1cac7abdc0ab6..fba2c795ce0dab 100644 --- a/sound/soc/intel/atom/sst-mfld-platform-pcm.c +++ b/sound/soc/intel/atom/sst-mfld-platform-pcm.c @@ -333,6 +333,17 @@ static int sst_media_open(struct snd_pcm_substream *substream, if (ret_val < 0) goto out_power_up; + /* + * Make sure the period to be multiple of 1ms to align the + * design of firmware. Apply same rule to buffer size to make + * sure alsa could always find a value for period size + * regardless the buffer size given by user space. + */ + snd_pcm_hw_constraint_step(substream->runtime, 0, + SNDRV_PCM_HW_PARAM_PERIOD_SIZE, 48); + snd_pcm_hw_constraint_step(substream->runtime, 0, + SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 48); + /* Make sure, that the period size is always even */ snd_pcm_hw_constraint_step(substream->runtime, 0, SNDRV_PCM_HW_PARAM_PERIODS, 2); diff --git a/sound/soc/intel/baytrail/sst-baytrail-pcm.c b/sound/soc/intel/baytrail/sst-baytrail-pcm.c index 54a66cc6db8902..d2cda33b65d58d 100644 --- a/sound/soc/intel/baytrail/sst-baytrail-pcm.c +++ b/sound/soc/intel/baytrail/sst-baytrail-pcm.c @@ -181,7 +181,7 @@ static int sst_byt_pcm_trigger(struct snd_soc_component *component, break; case SNDRV_PCM_TRIGGER_SUSPEND: pdata->restore_stream = false; - /* fallthrough */ + fallthrough; case SNDRV_PCM_TRIGGER_PAUSE_PUSH: sst_byt_stream_pause(byt, pcm_data->stream); break; diff --git a/sound/soc/intel/boards/bytcht_es8316.c b/sound/soc/intel/boards/bytcht_es8316.c index 414ae4bb5224a9..7ae34b49815c9b 100644 --- a/sound/soc/intel/boards/bytcht_es8316.c +++ b/sound/soc/intel/boards/bytcht_es8316.c @@ -573,7 +573,7 @@ static int snd_byt_cht_es8316_mc_probe(struct platform_device *pdev) break; default: dev_err(dev, "get speaker GPIO failed: %d\n", ret); - /* fall through */ + fallthrough; case -EPROBE_DEFER: return ret; } diff --git a/sound/soc/intel/boards/bytcr_rt5640.c b/sound/soc/intel/boards/bytcr_rt5640.c index 479992f4e97a35..fc202747ba837e 100644 --- a/sound/soc/intel/boards/bytcr_rt5640.c +++ b/sound/soc/intel/boards/bytcr_rt5640.c @@ -591,6 +591,16 @@ static const struct dmi_system_id byt_rt5640_quirk_table[] = { BYT_RT5640_SSP0_AIF1 | BYT_RT5640_MCLK_EN), }, + { /* MPMAN Converter 9, similar hw as the I.T.Works TW891 2-in-1 */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "MPMAN"), + DMI_MATCH(DMI_PRODUCT_NAME, "Converter9"), + }, + .driver_data = (void *)(BYTCR_INPUT_DEFAULTS | + BYT_RT5640_MONO_SPEAKER | + BYT_RT5640_SSP0_AIF1 | + BYT_RT5640_MCLK_EN), + }, { /* MPMAN MPWIN895CL */ .matches = { diff --git a/sound/soc/intel/boards/bytcr_rt5651.c b/sound/soc/intel/boards/bytcr_rt5651.c index 4e2897596cea31..688b5e0a49e323 100644 --- a/sound/soc/intel/boards/bytcr_rt5651.c +++ b/sound/soc/intel/boards/bytcr_rt5651.c @@ -1009,7 +1009,7 @@ static int snd_byt_rt5651_mc_probe(struct platform_device *pdev) default: dev_err(&pdev->dev, "Failed to get ext-amp-enable GPIO: %d\n", ret_val); - /* fall through */ + fallthrough; case -EPROBE_DEFER: put_device(codec_dev); return ret_val; @@ -1029,7 +1029,7 @@ static int snd_byt_rt5651_mc_probe(struct platform_device *pdev) default: dev_err(&pdev->dev, "Failed to get hp-detect GPIO: %d\n", ret_val); - /* fall through */ + fallthrough; case -EPROBE_DEFER: put_device(codec_dev); return ret_val; diff --git a/sound/soc/intel/boards/skl_hda_dsp_generic.c b/sound/soc/intel/boards/skl_hda_dsp_generic.c index ca4900036ead96..bc50eda297ab7c 100644 --- a/sound/soc/intel/boards/skl_hda_dsp_generic.c +++ b/sound/soc/intel/boards/skl_hda_dsp_generic.c @@ -181,7 +181,7 @@ static void skl_set_hda_codec_autosuspend_delay(struct snd_soc_card *card) struct snd_soc_dai *dai; for_each_card_rtds(card, rtd) { - if (!strstr(rtd->dai_link->codecs->name, "ehdaudio")) + if (!strstr(rtd->dai_link->codecs->name, "ehdaudio0D0")) continue; dai = asoc_rtd_to_codec(rtd, 0); hda_pvt = snd_soc_component_get_drvdata(dai->component); diff --git a/sound/soc/intel/boards/sof_maxim_common.c b/sound/soc/intel/boards/sof_maxim_common.c index 1a696159202971..b6e63ea13d64e2 100644 --- a/sound/soc/intel/boards/sof_maxim_common.c +++ b/sound/soc/intel/boards/sof_maxim_common.c @@ -66,6 +66,10 @@ int max98373_trigger(struct snd_pcm_substream *substream, int cmd) int j; int ret = 0; + /* set spk pin by playback only */ + if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) + return 0; + for_each_rtd_codec_dais(rtd, j, codec_dai) { struct snd_soc_component *component = codec_dai->component; struct snd_soc_dapm_context *dapm = @@ -86,9 +90,6 @@ int max98373_trigger(struct snd_pcm_substream *substream, int cmd) case SNDRV_PCM_TRIGGER_STOP: case SNDRV_PCM_TRIGGER_SUSPEND: case SNDRV_PCM_TRIGGER_PAUSE_PUSH: - /* Make sure no streams are active before disable pin */ - if (snd_soc_dai_active(codec_dai) != 1) - break; ret = snd_soc_dapm_disable_pin(dapm, pin_name); if (!ret) snd_soc_dapm_sync(dapm); diff --git a/sound/soc/intel/haswell/sst-haswell-dsp.c b/sound/soc/intel/haswell/sst-haswell-dsp.c index de80e19454c135..88c3f63bded90f 100644 --- a/sound/soc/intel/haswell/sst-haswell-dsp.c +++ b/sound/soc/intel/haswell/sst-haswell-dsp.c @@ -243,92 +243,45 @@ static irqreturn_t hsw_irq(int irq, void *context) return ret; } -#define CSR_DEFAULT_VALUE 0x8480040E -#define ISC_DEFAULT_VALUE 0x0 -#define ISD_DEFAULT_VALUE 0x0 -#define IMC_DEFAULT_VALUE 0x7FFF0003 -#define IMD_DEFAULT_VALUE 0x7FFF0003 -#define IPCC_DEFAULT_VALUE 0x0 -#define IPCD_DEFAULT_VALUE 0x0 -#define CLKCTL_DEFAULT_VALUE 0x7FF -#define CSR2_DEFAULT_VALUE 0x0 -#define LTR_CTRL_DEFAULT_VALUE 0x0 -#define HMD_CTRL_DEFAULT_VALUE 0x0 - -static void hsw_set_shim_defaults(struct sst_dsp *sst) -{ - sst_dsp_shim_write_unlocked(sst, SST_CSR, CSR_DEFAULT_VALUE); - sst_dsp_shim_write_unlocked(sst, SST_ISRX, ISC_DEFAULT_VALUE); - sst_dsp_shim_write_unlocked(sst, SST_ISRD, ISD_DEFAULT_VALUE); - sst_dsp_shim_write_unlocked(sst, SST_IMRX, IMC_DEFAULT_VALUE); - sst_dsp_shim_write_unlocked(sst, SST_IMRD, IMD_DEFAULT_VALUE); - sst_dsp_shim_write_unlocked(sst, SST_IPCX, IPCC_DEFAULT_VALUE); - sst_dsp_shim_write_unlocked(sst, SST_IPCD, IPCD_DEFAULT_VALUE); - sst_dsp_shim_write_unlocked(sst, SST_CLKCTL, CLKCTL_DEFAULT_VALUE); - sst_dsp_shim_write_unlocked(sst, SST_CSR2, CSR2_DEFAULT_VALUE); - sst_dsp_shim_write_unlocked(sst, SST_LTRC, LTR_CTRL_DEFAULT_VALUE); - sst_dsp_shim_write_unlocked(sst, SST_HMDC, HMD_CTRL_DEFAULT_VALUE); -} - -/* all clock-gating minus DCLCGE and DTCGE */ -#define SST_VDRTCL2_CG_OTHER 0xB7D - static void hsw_set_dsp_D3(struct sst_dsp *sst) { + u32 val; u32 reg; - /* disable clock core gating */ + /* Disable core clock gating (VDRTCTL2.DCLCGE = 0) */ reg = readl(sst->addr.pci_cfg + SST_VDRTCTL2); - reg &= ~(SST_VDRTCL2_DCLCGE); + reg &= ~(SST_VDRTCL2_DCLCGE | SST_VDRTCL2_DTCGE); writel(reg, sst->addr.pci_cfg + SST_VDRTCTL2); - /* stall, reset and set 24MHz XOSC */ - sst_dsp_shim_update_bits_unlocked(sst, SST_CSR, - SST_CSR_24MHZ_LPCS | SST_CSR_STALL | SST_CSR_RST, - SST_CSR_24MHZ_LPCS | SST_CSR_STALL | SST_CSR_RST); - - /* DRAM power gating all */ - reg = readl(sst->addr.pci_cfg + SST_VDRTCTL0); - reg |= SST_VDRTCL0_ISRAMPGE_MASK | - SST_VDRTCL0_DSRAMPGE_MASK; - reg &= ~(SST_VDRTCL0_D3SRAMPGD); - reg |= SST_VDRTCL0_D3PGD; - writel(reg, sst->addr.pci_cfg + SST_VDRTCTL0); - udelay(50); + /* enable power gating and switch off DRAM & IRAM blocks */ + val = readl(sst->addr.pci_cfg + SST_VDRTCTL0); + val |= SST_VDRTCL0_DSRAMPGE_MASK | + SST_VDRTCL0_ISRAMPGE_MASK; + val &= ~(SST_VDRTCL0_D3PGD | SST_VDRTCL0_D3SRAMPGD); + writel(val, sst->addr.pci_cfg + SST_VDRTCTL0); - /* PLL shutdown enable */ - reg = readl(sst->addr.pci_cfg + SST_VDRTCTL2); - reg |= SST_VDRTCL2_APLLSE_MASK; - writel(reg, sst->addr.pci_cfg + SST_VDRTCTL2); + /* switch off audio PLL */ + val = readl(sst->addr.pci_cfg + SST_VDRTCTL2); + val |= SST_VDRTCL2_APLLSE_MASK; + writel(val, sst->addr.pci_cfg + SST_VDRTCTL2); - /* disable MCLK */ + /* disable MCLK(clkctl.smos = 0) */ sst_dsp_shim_update_bits_unlocked(sst, SST_CLKCTL, - SST_CLKCTL_MASK, 0); - - /* switch clock gating */ - reg = readl(sst->addr.pci_cfg + SST_VDRTCTL2); - reg |= SST_VDRTCL2_CG_OTHER; - reg &= ~(SST_VDRTCL2_DTCGE); - writel(reg, sst->addr.pci_cfg + SST_VDRTCTL2); - /* enable DTCGE separatelly */ - reg = readl(sst->addr.pci_cfg + SST_VDRTCTL2); - reg |= SST_VDRTCL2_DTCGE; - writel(reg, sst->addr.pci_cfg + SST_VDRTCTL2); + SST_CLKCTL_MASK, 0); - /* set shim defaults */ - hsw_set_shim_defaults(sst); - - /* set D3 */ - reg = readl(sst->addr.pci_cfg + SST_PMCS); - reg |= SST_PMCS_PS_MASK; - writel(reg, sst->addr.pci_cfg + SST_PMCS); + /* Set D3 state, delay 50 us */ + val = readl(sst->addr.pci_cfg + SST_PMCS); + val |= SST_PMCS_PS_MASK; + writel(val, sst->addr.pci_cfg + SST_PMCS); udelay(50); - /* enable clock core gating */ + /* Enable core clock gating (VDRTCTL2.DCLCGE = 1), delay 50 us */ reg = readl(sst->addr.pci_cfg + SST_VDRTCTL2); - reg |= SST_VDRTCL2_DCLCGE; + reg |= SST_VDRTCL2_DCLCGE | SST_VDRTCL2_DTCGE; writel(reg, sst->addr.pci_cfg + SST_VDRTCTL2); + udelay(50); + } static void hsw_reset(struct sst_dsp *sst) @@ -346,62 +299,75 @@ static void hsw_reset(struct sst_dsp *sst) SST_CSR_RST | SST_CSR_STALL, SST_CSR_STALL); } -/* recommended CSR state for power-up */ -#define SST_CSR_D0_MASK (0x18A09C0C | SST_CSR_DCS_MASK) - static int hsw_set_dsp_D0(struct sst_dsp *sst) { - u32 reg; + int tries = 10; + u32 reg, fw_dump_bit; - /* disable clock core gating */ + /* Disable core clock gating (VDRTCTL2.DCLCGE = 0) */ reg = readl(sst->addr.pci_cfg + SST_VDRTCTL2); - reg &= ~(SST_VDRTCL2_DCLCGE); + reg &= ~(SST_VDRTCL2_DCLCGE | SST_VDRTCL2_DTCGE); writel(reg, sst->addr.pci_cfg + SST_VDRTCTL2); - /* switch clock gating */ - reg = readl(sst->addr.pci_cfg + SST_VDRTCTL2); - reg |= SST_VDRTCL2_CG_OTHER; - reg &= ~(SST_VDRTCL2_DTCGE); - writel(reg, sst->addr.pci_cfg + SST_VDRTCTL2); + /* Disable D3PG (VDRTCTL0.D3PGD = 1) */ + reg = readl(sst->addr.pci_cfg + SST_VDRTCTL0); + reg |= SST_VDRTCL0_D3PGD; + writel(reg, sst->addr.pci_cfg + SST_VDRTCTL0); - /* set D0 */ + /* Set D0 state */ reg = readl(sst->addr.pci_cfg + SST_PMCS); - reg &= ~(SST_PMCS_PS_MASK); + reg &= ~SST_PMCS_PS_MASK; writel(reg, sst->addr.pci_cfg + SST_PMCS); - /* DRAM power gating none */ - reg = readl(sst->addr.pci_cfg + SST_VDRTCTL0); - reg &= ~(SST_VDRTCL0_ISRAMPGE_MASK | - SST_VDRTCL0_DSRAMPGE_MASK); - reg |= SST_VDRTCL0_D3SRAMPGD; - reg |= SST_VDRTCL0_D3PGD; - writel(reg, sst->addr.pci_cfg + SST_VDRTCTL0); - mdelay(10); + /* check that ADSP shim is enabled */ + while (tries--) { + reg = readl(sst->addr.pci_cfg + SST_PMCS) & SST_PMCS_PS_MASK; + if (reg == 0) + goto finish; + + msleep(1); + } + + return -ENODEV; - /* set shim defaults */ - hsw_set_shim_defaults(sst); +finish: + /* select SSP1 19.2MHz base clock, SSP clock 0, turn off Low Power Clock */ + sst_dsp_shim_update_bits_unlocked(sst, SST_CSR, + SST_CSR_S1IOCS | SST_CSR_SBCS1 | SST_CSR_LPCS, 0x0); + + /* stall DSP core, set clk to 192/96Mhz */ + sst_dsp_shim_update_bits_unlocked(sst, + SST_CSR, SST_CSR_STALL | SST_CSR_DCS_MASK, + SST_CSR_STALL | SST_CSR_DCS(4)); - /* restore MCLK */ + /* Set 24MHz MCLK, prevent local clock gating, enable SSP0 clock */ sst_dsp_shim_update_bits_unlocked(sst, SST_CLKCTL, - SST_CLKCTL_MASK, SST_CLKCTL_MASK); + SST_CLKCTL_MASK | SST_CLKCTL_DCPLCG | SST_CLKCTL_SCOE0, + SST_CLKCTL_MASK | SST_CLKCTL_DCPLCG | SST_CLKCTL_SCOE0); - /* PLL shutdown disable */ + /* Stall and reset core, set CSR */ + hsw_reset(sst); + + /* Enable core clock gating (VDRTCTL2.DCLCGE = 1), delay 50 us */ reg = readl(sst->addr.pci_cfg + SST_VDRTCTL2); - reg &= ~(SST_VDRTCL2_APLLSE_MASK); + reg |= SST_VDRTCL2_DCLCGE | SST_VDRTCL2_DTCGE; writel(reg, sst->addr.pci_cfg + SST_VDRTCTL2); - sst_dsp_shim_update_bits_unlocked(sst, SST_CSR, - SST_CSR_D0_MASK, SST_CSR_SBCS0 | SST_CSR_SBCS1 | - SST_CSR_STALL | SST_CSR_DCS(4)); udelay(50); - /* enable clock core gating */ + /* switch on audio PLL */ reg = readl(sst->addr.pci_cfg + SST_VDRTCTL2); - reg |= SST_VDRTCL2_DCLCGE; + reg &= ~SST_VDRTCL2_APLLSE_MASK; writel(reg, sst->addr.pci_cfg + SST_VDRTCTL2); - /* clear reset */ - sst_dsp_shim_update_bits_unlocked(sst, SST_CSR, SST_CSR_RST, 0); + /* set default power gating control, enable power gating control for all blocks. that is, + can't be accessed, please enable each block before accessing. */ + reg = readl(sst->addr.pci_cfg + SST_VDRTCTL0); + reg |= SST_VDRTCL0_DSRAMPGE_MASK | SST_VDRTCL0_ISRAMPGE_MASK; + /* for D0, always enable the block(DSRAM[0]) used for FW dump */ + fw_dump_bit = 1 << SST_VDRTCL0_DSRAMPGE_SHIFT; + writel(reg & ~fw_dump_bit, sst->addr.pci_cfg + SST_VDRTCTL0); + /* disable DMA finish function for SSP0 & SSP1 */ sst_dsp_shim_update_bits_unlocked(sst, SST_CSR2, SST_CSR2_SDFD_SSP1, @@ -418,6 +384,12 @@ static int hsw_set_dsp_D0(struct sst_dsp *sst) sst_dsp_shim_update_bits(sst, SST_IMRD, (SST_IMRD_DONE | SST_IMRD_BUSY | SST_IMRD_SSP0 | SST_IMRD_DMAC), 0x0); + /* clear IPC registers */ + sst_dsp_shim_write(sst, SST_IPCX, 0x0); + sst_dsp_shim_write(sst, SST_IPCD, 0x0); + sst_dsp_shim_write(sst, 0x80, 0x6); + sst_dsp_shim_write(sst, 0xe0, 0x300a); + return 0; } @@ -443,6 +415,11 @@ static void hsw_sleep(struct sst_dsp *sst) { dev_dbg(sst->dev, "HSW_PM dsp runtime suspend\n"); + /* put DSP into reset and stall */ + sst_dsp_shim_update_bits(sst, SST_CSR, + SST_CSR_24MHZ_LPCS | SST_CSR_RST | SST_CSR_STALL, + SST_CSR_RST | SST_CSR_STALL | SST_CSR_24MHZ_LPCS); + hsw_set_dsp_D3(sst); dev_dbg(sst->dev, "HSW_PM dsp runtime suspend exit\n"); } diff --git a/sound/soc/intel/skylake/skl-pcm.c b/sound/soc/intel/skylake/skl-pcm.c index 5dee55e9546bbd..bbe8d782e0af6a 100644 --- a/sound/soc/intel/skylake/skl-pcm.c +++ b/sound/soc/intel/skylake/skl-pcm.c @@ -488,7 +488,7 @@ static int skl_pcm_trigger(struct snd_pcm_substream *substream, int cmd, stream->lpib); snd_hdac_ext_stream_set_lpib(stream, stream->lpib); } - /* fall through */ + fallthrough; case SNDRV_PCM_TRIGGER_START: case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: diff --git a/sound/soc/meson/axg-tdm-interface.c b/sound/soc/meson/axg-tdm-interface.c index 36df30915378cc..c8664ab80d45ad 100644 --- a/sound/soc/meson/axg-tdm-interface.c +++ b/sound/soc/meson/axg-tdm-interface.c @@ -58,17 +58,17 @@ int axg_tdm_set_tdm_slots(struct snd_soc_dai *dai, u32 *tx_mask, switch (slot_width) { case 0: slot_width = 32; - /* Fall-through */ + fallthrough; case 32: fmt |= SNDRV_PCM_FMTBIT_S32_LE; - /* Fall-through */ + fallthrough; case 24: fmt |= SNDRV_PCM_FMTBIT_S24_LE; fmt |= SNDRV_PCM_FMTBIT_S20_LE; - /* Fall-through */ + fallthrough; case 16: fmt |= SNDRV_PCM_FMTBIT_S16_LE; - /* Fall-through */ + fallthrough; case 8: fmt |= SNDRV_PCM_FMTBIT_S8; break; @@ -133,7 +133,7 @@ static int axg_tdm_iface_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) case SND_SOC_DAIFMT_CBS_CFM: case SND_SOC_DAIFMT_CBM_CFS: dev_err(dai->dev, "only CBS_CFS and CBM_CFM are supported\n"); - /* Fall-through */ + fallthrough; default: return -EINVAL; } diff --git a/sound/soc/meson/axg-toddr.c b/sound/soc/meson/axg-toddr.c index e711abcf8c1248..d6adf7edea41fb 100644 --- a/sound/soc/meson/axg-toddr.c +++ b/sound/soc/meson/axg-toddr.c @@ -18,6 +18,7 @@ #define CTRL0_TODDR_SEL_RESAMPLE BIT(30) #define CTRL0_TODDR_EXT_SIGNED BIT(29) #define CTRL0_TODDR_PP_MODE BIT(28) +#define CTRL0_TODDR_SYNC_CH BIT(27) #define CTRL0_TODDR_TYPE_MASK GENMASK(15, 13) #define CTRL0_TODDR_TYPE(x) ((x) << 13) #define CTRL0_TODDR_MSB_POS_MASK GENMASK(12, 8) @@ -189,10 +190,31 @@ static const struct axg_fifo_match_data axg_toddr_match_data = { .dai_drv = &axg_toddr_dai_drv }; +static int g12a_toddr_dai_startup(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct axg_fifo *fifo = snd_soc_dai_get_drvdata(dai); + int ret; + + ret = axg_toddr_dai_startup(substream, dai); + if (ret) + return ret; + + /* + * Make sure the first channel ends up in the at beginning of the output + * As weird as it looks, without this the first channel may be misplaced + * in memory, with a random shift of 2 channels. + */ + regmap_update_bits(fifo->map, FIFO_CTRL0, CTRL0_TODDR_SYNC_CH, + CTRL0_TODDR_SYNC_CH); + + return 0; +} + static const struct snd_soc_dai_ops g12a_toddr_ops = { .prepare = g12a_toddr_dai_prepare, .hw_params = axg_toddr_dai_hw_params, - .startup = axg_toddr_dai_startup, + .startup = g12a_toddr_dai_startup, .shutdown = axg_toddr_dai_shutdown, }; diff --git a/sound/soc/pxa/pxa-ssp.c b/sound/soc/pxa/pxa-ssp.c index d1e09ade0190d6..c4e7307a44374e 100644 --- a/sound/soc/pxa/pxa-ssp.c +++ b/sound/soc/pxa/pxa-ssp.c @@ -488,7 +488,7 @@ static int pxa_ssp_configure_dai_fmt(struct ssp_priv *priv) case SND_SOC_DAIFMT_DSP_A: sspsp |= SSPSP_FSRT; - /* fall through */ + fallthrough; case SND_SOC_DAIFMT_DSP_B: sscr0 |= SSCR0_MOD | SSCR0_PSP; sscr1 |= SSCR1_TRAIL | SSCR1_RWOT; diff --git a/sound/soc/qcom/apq8016_sbc.c b/sound/soc/qcom/apq8016_sbc.c index 083413abc2f694..575e2aefefe3d4 100644 --- a/sound/soc/qcom/apq8016_sbc.c +++ b/sound/soc/qcom/apq8016_sbc.c @@ -143,6 +143,7 @@ static int apq8016_sbc_platform_probe(struct platform_device *pdev) card = &data->card; card->dev = dev; + card->owner = THIS_MODULE; card->dapm_widgets = apq8016_sbc_dapm_widgets; card->num_dapm_widgets = ARRAY_SIZE(apq8016_sbc_dapm_widgets); diff --git a/sound/soc/qcom/apq8096.c b/sound/soc/qcom/apq8096.c index 253549600c5a3f..1a69baefc5cea1 100644 --- a/sound/soc/qcom/apq8096.c +++ b/sound/soc/qcom/apq8096.c @@ -114,6 +114,7 @@ static int apq8096_platform_probe(struct platform_device *pdev) return -ENOMEM; card->dev = dev; + card->owner = THIS_MODULE; dev_set_drvdata(dev, card); ret = qcom_snd_parse_of(card); if (ret) diff --git a/sound/soc/qcom/common.c b/sound/soc/qcom/common.c index 5194d90ddb9646..fd69cf8b1f23a6 100644 --- a/sound/soc/qcom/common.c +++ b/sound/soc/qcom/common.c @@ -52,8 +52,10 @@ int qcom_snd_parse_of(struct snd_soc_card *card) for_each_child_of_node(dev->of_node, np) { dlc = devm_kzalloc(dev, 2 * sizeof(*dlc), GFP_KERNEL); - if (!dlc) - return -ENOMEM; + if (!dlc) { + ret = -ENOMEM; + goto err; + } link->cpus = &dlc[0]; link->platforms = &dlc[1]; diff --git a/sound/soc/qcom/sdm845.c b/sound/soc/qcom/sdm845.c index 0d10fba53945e6..ab1bf23c21a684 100644 --- a/sound/soc/qcom/sdm845.c +++ b/sound/soc/qcom/sdm845.c @@ -555,6 +555,7 @@ static int sdm845_snd_platform_probe(struct platform_device *pdev) card->dapm_widgets = sdm845_snd_widgets; card->num_dapm_widgets = ARRAY_SIZE(sdm845_snd_widgets); card->dev = dev; + card->owner = THIS_MODULE; dev_set_drvdata(dev, card); ret = qcom_snd_parse_of(card); if (ret) diff --git a/sound/soc/qcom/storm.c b/sound/soc/qcom/storm.c index c0c388d4db8291..80c9cf2f254a76 100644 --- a/sound/soc/qcom/storm.c +++ b/sound/soc/qcom/storm.c @@ -96,6 +96,7 @@ static int storm_platform_probe(struct platform_device *pdev) return -ENOMEM; card->dev = &pdev->dev; + card->owner = THIS_MODULE; ret = snd_soc_of_parse_card_name(card, "qcom,model"); if (ret) { diff --git a/sound/soc/rockchip/rockchip_pdm.c b/sound/soc/rockchip/rockchip_pdm.c index 1707414cfa9213..5adb293d0435d1 100644 --- a/sound/soc/rockchip/rockchip_pdm.c +++ b/sound/soc/rockchip/rockchip_pdm.c @@ -229,13 +229,13 @@ static int rockchip_pdm_hw_params(struct snd_pcm_substream *substream, switch (params_channels(params)) { case 8: val |= PDM_PATH3_EN; - /* fallthrough */ + fallthrough; case 6: val |= PDM_PATH2_EN; - /* fallthrough */ + fallthrough; case 4: val |= PDM_PATH1_EN; - /* fallthrough */ + fallthrough; case 2: val |= PDM_PATH0_EN; break; diff --git a/sound/soc/samsung/i2s.c b/sound/soc/samsung/i2s.c index 80ecb5c7fed0c1..df53d4ea808fe5 100644 --- a/sound/soc/samsung/i2s.c +++ b/sound/soc/samsung/i2s.c @@ -733,7 +733,7 @@ static int i2s_hw_params(struct snd_pcm_substream *substream, switch (params_channels(params)) { case 6: val |= MOD_DC2_EN; - /* Fall through */ + fallthrough; case 4: val |= MOD_DC1_EN; break; diff --git a/sound/soc/sh/siu_pcm.c b/sound/soc/sh/siu_pcm.c index bd9de77c35f3ea..50fc7810723ec2 100644 --- a/sound/soc/sh/siu_pcm.c +++ b/sound/soc/sh/siu_pcm.c @@ -198,9 +198,9 @@ static int siu_pcm_rd_set(struct siu_port *port_info, return 0; } -static void siu_io_tasklet(unsigned long data) +static void siu_io_tasklet(struct tasklet_struct *t) { - struct siu_stream *siu_stream = (struct siu_stream *)data; + struct siu_stream *siu_stream = from_tasklet(siu_stream, t, tasklet); struct snd_pcm_substream *substream = siu_stream->substream; struct device *dev = substream->pcm->card->dev; struct snd_pcm_runtime *rt = substream->runtime; @@ -520,10 +520,8 @@ static int siu_pcm_new(struct snd_soc_component *component, (*port_info)->pcm = pcm; /* IO tasklets */ - tasklet_init(&(*port_info)->playback.tasklet, siu_io_tasklet, - (unsigned long)&(*port_info)->playback); - tasklet_init(&(*port_info)->capture.tasklet, siu_io_tasklet, - (unsigned long)&(*port_info)->capture); + tasklet_setup(&(*port_info)->playback.tasklet, siu_io_tasklet); + tasklet_setup(&(*port_info)->capture.tasklet, siu_io_tasklet); } dev_info(card->dev, "SuperH SIU driver initialized.\n"); diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index 2fe1b2ec7c8fe6..0544376606781d 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -618,7 +618,7 @@ int snd_soc_suspend(struct device *dev) "ASoC: idle_bias_off CODEC on over suspend\n"); break; } - /* fall through */ + fallthrough; case SND_SOC_BIAS_OFF: snd_soc_component_suspend(component); @@ -834,6 +834,19 @@ struct snd_soc_dai *snd_soc_find_dai( } EXPORT_SYMBOL_GPL(snd_soc_find_dai); +struct snd_soc_dai *snd_soc_find_dai_with_mutex( + const struct snd_soc_dai_link_component *dlc) +{ + struct snd_soc_dai *dai; + + mutex_lock(&client_mutex); + dai = snd_soc_find_dai(dlc); + mutex_unlock(&client_mutex); + + return dai; +} +EXPORT_SYMBOL_GPL(snd_soc_find_dai_with_mutex); + static int soc_dai_link_sanity_check(struct snd_soc_card *card, struct snd_soc_dai_link *link) { diff --git a/sound/soc/soc-dai.c b/sound/soc/soc-dai.c index 91a2551e4cefef..0dbd312aad084a 100644 --- a/sound/soc/soc-dai.c +++ b/sound/soc/soc-dai.c @@ -412,14 +412,14 @@ void snd_soc_dai_link_set_capabilities(struct snd_soc_dai_link *dai_link) supported_codec = false; for_each_link_cpus(dai_link, i, cpu) { - dai = snd_soc_find_dai(cpu); + dai = snd_soc_find_dai_with_mutex(cpu); if (dai && snd_soc_dai_stream_valid(dai, direction)) { supported_cpu = true; break; } } for_each_link_codecs(dai_link, i, codec) { - dai = snd_soc_find_dai(codec); + dai = snd_soc_find_dai_with_mutex(codec); if (dai && snd_soc_dai_stream_valid(dai, direction)) { supported_codec = true; break; diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c index 00ac1cbf6f8809..4c9d4cd8cf0b97 100644 --- a/sound/soc/soc-pcm.c +++ b/sound/soc/soc-pcm.c @@ -812,7 +812,7 @@ dynamic: return 0; config_err: - for_each_rtd_dais(rtd, i, dai) + for_each_rtd_dais_rollback(rtd, i, dai) snd_soc_dai_shutdown(dai, substream); snd_soc_link_shutdown(substream); diff --git a/sound/soc/soc-topology.c b/sound/soc/soc-topology.c index cee99867131879..5b60379237bffd 100644 --- a/sound/soc/soc-topology.c +++ b/sound/soc/soc-topology.c @@ -1057,7 +1057,7 @@ static int soc_tplg_denum_create(struct soc_tplg *tplg, unsigned int count, ec->hdr.name); goto err_denum; } - /* fall through */ + fallthrough; case SND_SOC_TPLG_CTL_ENUM: case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE: case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT: @@ -1445,7 +1445,7 @@ static struct snd_kcontrol_new *soc_tplg_dapm_widget_denum_create( ec->hdr.name); goto err_se; } - /* fall through */ + fallthrough; case SND_SOC_TPLG_CTL_ENUM: case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE: case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT: diff --git a/sound/soc/sof/intel/hda-dai.c b/sound/soc/sof/intel/hda-dai.c index df1c6997cb4e28..c6cb8c212eca59 100644 --- a/sound/soc/sof/intel/hda-dai.c +++ b/sound/soc/sof/intel/hda-dai.c @@ -310,7 +310,7 @@ static int hda_link_pcm_trigger(struct snd_pcm_substream *substream, return ret; } - /* fallthrough */ + fallthrough; case SNDRV_PCM_TRIGGER_START: case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: snd_hdac_ext_link_stream_start(link_dev); @@ -333,7 +333,7 @@ static int hda_link_pcm_trigger(struct snd_pcm_substream *substream, link_dev->link_prepared = 0; - /* fallthrough */ + fallthrough; case SNDRV_PCM_TRIGGER_PAUSE_PUSH: snd_hdac_ext_link_stream_clear(link_dev); break; diff --git a/sound/soc/sof/pcm.c b/sound/soc/sof/pcm.c index d730e437e4ba84..71c3f29057a712 100644 --- a/sound/soc/sof/pcm.c +++ b/sound/soc/sof/pcm.c @@ -361,7 +361,7 @@ static int sof_pcm_trigger(struct snd_soc_component *component, return ret; } - /* fallthrough */ + fallthrough; case SNDRV_PCM_TRIGGER_START: if (spcm->stream[substream->stream].suspend_ignored) { /* @@ -386,7 +386,7 @@ static int sof_pcm_trigger(struct snd_soc_component *component, spcm->stream[substream->stream].suspend_ignored = true; return 0; } - /* fallthrough */ + fallthrough; case SNDRV_PCM_TRIGGER_STOP: stream.hdr.cmd |= SOF_IPC_STREAM_TRIG_STOP; ipc_first = true; diff --git a/sound/soc/ti/ams-delta.c b/sound/soc/ti/ams-delta.c index 5c47de96c52986..57feb473a579ca 100644 --- a/sound/soc/ti/ams-delta.c +++ b/sound/soc/ti/ams-delta.c @@ -446,12 +446,12 @@ static const struct snd_soc_dai_ops ams_delta_dai_ops = { /* Will be used if the codec ever has its own digital_mute function */ static int ams_delta_startup(struct snd_pcm_substream *substream) { - return ams_delta_digital_mute(NULL, 0, substream->stream); + return ams_delta_mute(NULL, 0, substream->stream); } static void ams_delta_shutdown(struct snd_pcm_substream *substream) { - ams_delta_digital_mute(NULL, 1, substream->stream); + ams_delta_mute(NULL, 1, substream->stream); } diff --git a/sound/soc/ti/davinci-i2s.c b/sound/soc/ti/davinci-i2s.c index d89b5c928c4d7b..dd34504c09ba81 100644 --- a/sound/soc/ti/davinci-i2s.c +++ b/sound/soc/ti/davinci-i2s.c @@ -289,7 +289,7 @@ static int davinci_i2s_set_dai_fmt(struct snd_soc_dai *cpu_dai, * rate is lowered. */ inv_fs = true; - /* fall through */ + fallthrough; case SND_SOC_DAIFMT_DSP_A: dev->mode = MOD_DSP_A; break; diff --git a/sound/soc/ti/n810.c b/sound/soc/ti/n810.c index 2802a33b9c5f19..ed217b34f846ad 100644 --- a/sound/soc/ti/n810.c +++ b/sound/soc/ti/n810.c @@ -46,7 +46,7 @@ static void n810_ext_control(struct snd_soc_dapm_context *dapm) switch (n810_jack_func) { case N810_JACK_HS: line1l = 1; - /* fall through */ + fallthrough; case N810_JACK_HP: hp = 1; break; diff --git a/sound/soc/ti/omap-dmic.c b/sound/soc/ti/omap-dmic.c index 01abf1be5d788c..a26588e9c3bc28 100644 --- a/sound/soc/ti/omap-dmic.c +++ b/sound/soc/ti/omap-dmic.c @@ -203,10 +203,10 @@ static int omap_dmic_dai_hw_params(struct snd_pcm_substream *substream, switch (channels) { case 6: dmic->ch_enabled |= OMAP_DMIC_UP3_ENABLE; - /* fall through */ + fallthrough; case 4: dmic->ch_enabled |= OMAP_DMIC_UP2_ENABLE; - /* fall through */ + fallthrough; case 2: dmic->ch_enabled |= OMAP_DMIC_UP1_ENABLE; break; diff --git a/sound/soc/ti/omap-mcpdm.c b/sound/soc/ti/omap-mcpdm.c index d482b62f314a60..fafb2998ad0df2 100644 --- a/sound/soc/ti/omap-mcpdm.c +++ b/sound/soc/ti/omap-mcpdm.c @@ -309,19 +309,19 @@ static int omap_mcpdm_dai_hw_params(struct snd_pcm_substream *substream, /* up to 3 channels for capture */ return -EINVAL; link_mask |= 1 << 4; - /* fall through */ + fallthrough; case 4: if (stream == SNDRV_PCM_STREAM_CAPTURE) /* up to 3 channels for capture */ return -EINVAL; link_mask |= 1 << 3; - /* fall through */ + fallthrough; case 3: link_mask |= 1 << 2; - /* fall through */ + fallthrough; case 2: link_mask |= 1 << 1; - /* fall through */ + fallthrough; case 1: link_mask |= 1 << 0; break; diff --git a/sound/soc/ti/rx51.c b/sound/soc/ti/rx51.c index 2176a95201bf8b..a2629ccc1dc843 100644 --- a/sound/soc/ti/rx51.c +++ b/sound/soc/ti/rx51.c @@ -55,7 +55,7 @@ static void rx51_ext_control(struct snd_soc_dapm_context *dapm) break; case RX51_JACK_HS: hs = 1; - /* fall through */ + fallthrough; case RX51_JACK_HP: hp = 1; break; diff --git a/sound/soc/txx9/txx9aclc.c b/sound/soc/txx9/txx9aclc.c index 4b1cd4da3e368e..939b33ec39f50e 100644 --- a/sound/soc/txx9/txx9aclc.c +++ b/sound/soc/txx9/txx9aclc.c @@ -134,9 +134,9 @@ txx9aclc_dma_submit(struct txx9aclc_dmadata *dmadata, dma_addr_t buf_dma_addr) #define NR_DMA_CHAIN 2 -static void txx9aclc_dma_tasklet(unsigned long data) +static void txx9aclc_dma_tasklet(struct tasklet_struct *t) { - struct txx9aclc_dmadata *dmadata = (struct txx9aclc_dmadata *)data; + struct txx9aclc_dmadata *dmadata = from_tasklet(dmadata, t, tasklet); struct dma_chan *chan = dmadata->dma_chan; struct dma_async_tx_descriptor *desc; struct snd_pcm_substream *substream = dmadata->substream; @@ -352,8 +352,7 @@ static int txx9aclc_dma_init(struct txx9aclc_soc_device *dev, "playback" : "capture"); return -EBUSY; } - tasklet_init(&dmadata->tasklet, txx9aclc_dma_tasklet, - (unsigned long)dmadata); + tasklet_setup(&dmadata->tasklet, txx9aclc_dma_tasklet); return 0; } diff --git a/sound/soc/zte/zx-i2s.c b/sound/soc/zte/zx-i2s.c index 568cde64ff8b81..1c1a44e08a676d 100644 --- a/sound/soc/zte/zx-i2s.c +++ b/sound/soc/zte/zx-i2s.c @@ -294,7 +294,7 @@ static int zx_i2s_trigger(struct snd_pcm_substream *substream, int cmd, zx_i2s_rx_dma_en(zx_i2s->reg_base, true); else zx_i2s_tx_dma_en(zx_i2s->reg_base, true); - /* fall thru */ + fallthrough; case SNDRV_PCM_TRIGGER_RESUME: case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: if (capture) @@ -308,7 +308,7 @@ static int zx_i2s_trigger(struct snd_pcm_substream *substream, int cmd, zx_i2s_rx_dma_en(zx_i2s->reg_base, false); else zx_i2s_tx_dma_en(zx_i2s->reg_base, false); - /* fall thru */ + fallthrough; case SNDRV_PCM_TRIGGER_SUSPEND: case SNDRV_PCM_TRIGGER_PAUSE_PUSH: if (capture) diff --git a/sound/soc/zte/zx-spdif.c b/sound/soc/zte/zx-spdif.c index a3a07c0730e691..b4168bd532b749 100644 --- a/sound/soc/zte/zx-spdif.c +++ b/sound/soc/zte/zx-spdif.c @@ -218,7 +218,7 @@ static int zx_spdif_trigger(struct snd_pcm_substream *substream, int cmd, val = readl_relaxed(zx_spdif->reg_base + ZX_FIFOCTRL); val |= ZX_FIFOCTRL_TX_FIFO_RST; writel_relaxed(val, zx_spdif->reg_base + ZX_FIFOCTRL); - /* fall thru */ + fallthrough; case SNDRV_PCM_TRIGGER_RESUME: case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: zx_spdif_cfg_tx(zx_spdif->reg_base, true); diff --git a/sound/usb/midi.c b/sound/usb/midi.c index df639fe0311815..e8287a05e36bc4 100644 --- a/sound/usb/midi.c +++ b/sound/usb/midi.c @@ -344,10 +344,9 @@ static void snd_usbmidi_do_output(struct snd_usb_midi_out_endpoint *ep) spin_unlock_irqrestore(&ep->buffer_lock, flags); } -static void snd_usbmidi_out_tasklet(unsigned long data) +static void snd_usbmidi_out_tasklet(struct tasklet_struct *t) { - struct snd_usb_midi_out_endpoint *ep = - (struct snd_usb_midi_out_endpoint *) data; + struct snd_usb_midi_out_endpoint *ep = from_tasklet(ep, t, tasklet); snd_usbmidi_do_output(ep); } @@ -1441,7 +1440,7 @@ static int snd_usbmidi_out_endpoint_create(struct snd_usb_midi *umidi, } spin_lock_init(&ep->buffer_lock); - tasklet_init(&ep->tasklet, snd_usbmidi_out_tasklet, (unsigned long)ep); + tasklet_setup(&ep->tasklet, snd_usbmidi_out_tasklet); init_waitqueue_head(&ep->drain_wait); for (i = 0; i < 0x10; ++i) diff --git a/sound/usb/misc/ua101.c b/sound/usb/misc/ua101.c index 884e740a785c55..3b2dce1043f5a6 100644 --- a/sound/usb/misc/ua101.c +++ b/sound/usb/misc/ua101.c @@ -247,9 +247,9 @@ static inline void add_with_wraparound(struct ua101 *ua, *value -= ua->playback.queue_length; } -static void playback_tasklet(unsigned long data) +static void playback_tasklet(struct tasklet_struct *t) { - struct ua101 *ua = (void *)data; + struct ua101 *ua = from_tasklet(ua, t, playback_tasklet); unsigned long flags; unsigned int frames; struct ua101_urb *urb; @@ -1218,8 +1218,7 @@ static int ua101_probe(struct usb_interface *interface, spin_lock_init(&ua->lock); mutex_init(&ua->mutex); INIT_LIST_HEAD(&ua->ready_playback_urbs); - tasklet_init(&ua->playback_tasklet, - playback_tasklet, (unsigned long)ua); + tasklet_setup(&ua->playback_tasklet, playback_tasklet); init_waitqueue_head(&ua->alsa_capture_wait); init_waitqueue_head(&ua->rate_feedback_wait); init_waitqueue_head(&ua->alsa_playback_wait); diff --git a/sound/usb/mixer_maps.c b/sound/usb/mixer_maps.c index 5b43e9e40e49b4..c369c81e74c41f 100644 --- a/sound/usb/mixer_maps.c +++ b/sound/usb/mixer_maps.c @@ -371,7 +371,6 @@ static const struct usbmix_name_map asus_rog_map[] = { }; static const struct usbmix_name_map lenovo_p620_rear_map[] = { - { 19, NULL, 2 }, /* FU, Volume */ { 19, NULL, 12 }, /* FU, Input Gain Pad */ {} }; diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c index 5600751803cfe1..b401ee894e1bb6 100644 --- a/sound/usb/pcm.c +++ b/sound/usb/pcm.c @@ -369,11 +369,13 @@ static int set_sync_ep_implicit_fb_quirk(struct snd_usb_substream *subs, case USB_ID(0x07fd, 0x0008): /* MOTU M Series */ case USB_ID(0x31e9, 0x0001): /* Solid State Logic SSL2 */ case USB_ID(0x31e9, 0x0002): /* Solid State Logic SSL2+ */ + case USB_ID(0x0499, 0x172f): /* Steinberg UR22C */ case USB_ID(0x0d9a, 0x00df): /* RTX6001 */ ep = 0x81; ifnum = 2; goto add_sync_ep_from_ifnum; case USB_ID(0x2b73, 0x000a): /* Pioneer DJ DJM-900NXS2 */ + case USB_ID(0x2b73, 0x0017): /* Pioneer DJ DJM-250MK2 */ ep = 0x82; ifnum = 0; goto add_sync_ep_from_ifnum; diff --git a/sound/usb/quirks-table.h b/sound/usb/quirks-table.h index f4fb002e3ef425..23eafd50126f31 100644 --- a/sound/usb/quirks-table.h +++ b/sound/usb/quirks-table.h @@ -2827,14 +2827,24 @@ YAMAHA_DEVICE(0x7010, "UB99"), /* Lenovo ThinkStation P620 Rear Line-in, Line-out and Microphone */ { USB_DEVICE(0x17aa, 0x1046), - QUIRK_DEVICE_PROFILE("Lenovo", "ThinkStation P620 Rear", - "Lenovo-ThinkStation-P620-Rear"), + .driver_info = (unsigned long) & (const struct snd_usb_audio_quirk) { + .vendor_name = "Lenovo", + .product_name = "ThinkStation P620 Rear", + .profile_name = "Lenovo-ThinkStation-P620-Rear", + .ifnum = QUIRK_ANY_INTERFACE, + .type = QUIRK_SETUP_DISABLE_AUTOSUSPEND + } }, /* Lenovo ThinkStation P620 Internal Speaker + Front Headset */ { USB_DEVICE(0x17aa, 0x104d), - QUIRK_DEVICE_PROFILE("Lenovo", "ThinkStation P620 Main", - "Lenovo-ThinkStation-P620-Main"), + .driver_info = (unsigned long) & (const struct snd_usb_audio_quirk) { + .vendor_name = "Lenovo", + .product_name = "ThinkStation P620 Main", + .profile_name = "Lenovo-ThinkStation-P620-Main", + .ifnum = QUIRK_ANY_INTERFACE, + .type = QUIRK_SETUP_DISABLE_AUTOSUSPEND + } }, /* Native Instruments MK2 series */ @@ -3549,14 +3559,40 @@ AU0828_DEVICE(0x2040, 0x7270, "Hauppauge", "HVR-950Q"), { /* * Pioneer DJ DJM-250MK2 - * PCM is 8 channels out @ 48 fixed (endpoints 0x01). - * The output from computer to the mixer is usable. + * PCM is 8 channels out @ 48 fixed (endpoint 0x01) + * and 8 channels in @ 48 fixed (endpoint 0x82). + * + * Both playback and recording is working, even simultaneously. * - * The input (phono or line to computer) is not working. - * It should be at endpoint 0x82 and probably also 8 channels, - * but it seems that it works only with Pioneer proprietary software. - * Even on officially supported OS, the Audacity was unable to record - * and Mixxx to recognize the control vinyls. + * Playback channels could be mapped to: + * - CH1 + * - CH2 + * - AUX + * + * Recording channels could be mapped to: + * - Post CH1 Fader + * - Post CH2 Fader + * - Cross Fader A + * - Cross Fader B + * - MIC + * - AUX + * - REC OUT + * + * There is remaining problem with recording directly from PHONO/LINE. + * If we map a channel to: + * - CH1 Control Tone PHONO + * - CH1 Control Tone LINE + * - CH2 Control Tone PHONO + * - CH2 Control Tone LINE + * it is silent. + * There is no signal even on other operating systems with official drivers. + * The signal appears only when a supported application is started. + * This needs to be investigated yet... + * (there is quite a lot communication on the USB in both directions) + * + * In current version this mixer could be used for playback + * and for recording from vinyls (through Post CH* Fader) + * but not for DVS (Digital Vinyl Systems) like in Mixxx. */ USB_DEVICE_VENDOR_SPEC(0x2b73, 0x0017), .driver_info = (unsigned long) &(const struct snd_usb_audio_quirk) { @@ -3580,6 +3616,26 @@ AU0828_DEVICE(0x2040, 0x7270, "Hauppauge", "HVR-950Q"), .rate_max = 48000, .nr_rates = 1, .rate_table = (unsigned int[]) { 48000 } + } + }, + { + .ifnum = 0, + .type = QUIRK_AUDIO_FIXED_ENDPOINT, + .data = &(const struct audioformat) { + .formats = SNDRV_PCM_FMTBIT_S24_3LE, + .channels = 8, // inputs + .iface = 0, + .altsetting = 1, + .altset_idx = 1, + .endpoint = 0x82, + .ep_attr = USB_ENDPOINT_XFER_ISOC| + USB_ENDPOINT_SYNC_ASYNC| + USB_ENDPOINT_USAGE_IMPLICIT_FB, + .rates = SNDRV_PCM_RATE_48000, + .rate_min = 48000, + .rate_max = 48000, + .nr_rates = 1, + .rate_table = (unsigned int[]) { 48000 } } }, { diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c index abf99b814a0f81..892296df131d3f 100644 --- a/sound/usb/quirks.c +++ b/sound/usb/quirks.c @@ -518,6 +518,15 @@ static int setup_fmt_after_resume_quirk(struct snd_usb_audio *chip, return 1; /* Continue with creating streams and mixer */ } +static int setup_disable_autosuspend(struct snd_usb_audio *chip, + struct usb_interface *iface, + struct usb_driver *driver, + const struct snd_usb_audio_quirk *quirk) +{ + driver->supports_autosuspend = 0; + return 1; /* Continue with creating streams and mixer */ +} + /* * audio-interface quirks * @@ -557,6 +566,7 @@ int snd_usb_create_quirk(struct snd_usb_audio *chip, [QUIRK_AUDIO_ALIGN_TRANSFER] = create_align_transfer_quirk, [QUIRK_AUDIO_STANDARD_MIXER] = create_standard_mixer_quirk, [QUIRK_SETUP_FMT_AFTER_RESUME] = setup_fmt_after_resume_quirk, + [QUIRK_SETUP_DISABLE_AUTOSUSPEND] = setup_disable_autosuspend, }; if (quirk->type < QUIRK_TYPE_COUNT) { @@ -1493,6 +1503,7 @@ void snd_usb_set_format_quirk(struct snd_usb_substream *subs, set_format_emu_quirk(subs, fmt); break; case USB_ID(0x2b73, 0x000a): /* Pioneer DJ DJM-900NXS2 */ + case USB_ID(0x2b73, 0x0017): /* Pioneer DJ DJM-250MK2 */ pioneer_djm_set_format_quirk(subs); break; case USB_ID(0x534d, 0x2109): /* MacroSilicon MS2109 */ @@ -1667,12 +1678,13 @@ void snd_usb_ctl_msg_quirk(struct usb_device *dev, unsigned int pipe, && (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS) msleep(20); - /* Zoom R16/24, Logitech H650e, Jabra 550a, Kingston HyperX needs a tiny - * delay here, otherwise requests like get/set frequency return as - * failed despite actually succeeding. + /* Zoom R16/24, Logitech H650e/H570e, Jabra 550a, Kingston HyperX + * needs a tiny delay here, otherwise requests like get/set + * frequency return as failed despite actually succeeding. */ if ((chip->usb_id == USB_ID(0x1686, 0x00dd) || chip->usb_id == USB_ID(0x046d, 0x0a46) || + chip->usb_id == USB_ID(0x046d, 0x0a56) || chip->usb_id == USB_ID(0x0b0e, 0x0349) || chip->usb_id == USB_ID(0x0951, 0x16ad)) && (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS) diff --git a/sound/usb/usbaudio.h b/sound/usb/usbaudio.h index b91c4c0807eca4..6839915a01286b 100644 --- a/sound/usb/usbaudio.h +++ b/sound/usb/usbaudio.h @@ -102,6 +102,7 @@ enum quirk_type { QUIRK_AUDIO_ALIGN_TRANSFER, QUIRK_AUDIO_STANDARD_MIXER, QUIRK_SETUP_FMT_AFTER_RESUME, + QUIRK_SETUP_DISABLE_AUTOSUSPEND, QUIRK_TYPE_COUNT }; diff --git a/sound/x86/Kconfig b/sound/x86/Kconfig index 77777192f6508b..4ffcc5e623c222 100644 --- a/sound/x86/Kconfig +++ b/sound/x86/Kconfig @@ -9,7 +9,7 @@ menuconfig SND_X86 if SND_X86 config HDMI_LPE_AUDIO - tristate "HDMI audio without HDaudio on Intel Atom platforms" + tristate "HDMI audio without HDAudio on Intel Atom platforms" depends on DRM_I915 select SND_PCM help diff --git a/tools/bootconfig/test-bootconfig.sh b/tools/bootconfig/test-bootconfig.sh index 56284b98d8f0bc..d295e406a756ed 100755 --- a/tools/bootconfig/test-bootconfig.sh +++ b/tools/bootconfig/test-bootconfig.sh @@ -137,6 +137,31 @@ $BOOTCONF $INITRD > $TEMPCONF cat $TEMPCONF xpass grep \'\"string\"\' $TEMPCONF +echo "Repeat same-key tree" +cat > $TEMPCONF << EOF +foo +bar +foo { buz } +EOF +echo > $INITRD + +xpass $BOOTCONF -a $TEMPCONF $INITRD +$BOOTCONF $INITRD > $OUTFILE +xpass grep -q "bar" $OUTFILE + + +echo "Remove/keep tailing spaces" +cat > $TEMPCONF << EOF +foo = val # comment +bar = "val2 " # comment +EOF +echo > $INITRD + +xpass $BOOTCONF -a $TEMPCONF $INITRD +$BOOTCONF $INITRD > $OUTFILE +xfail grep -q val[[:space:]] $OUTFILE +xpass grep -q val2[[:space:]] $OUTFILE + echo "=== expected failure cases ===" for i in samples/bad-* ; do xfail $BOOTCONF -a $i $INITRD diff --git a/tools/bpf/Makefile b/tools/bpf/Makefile index 0a6d09a3e91ff5..39bb322707b4ba 100644 --- a/tools/bpf/Makefile +++ b/tools/bpf/Makefile @@ -38,7 +38,7 @@ FEATURE_TESTS = libbfd disassembler-four-args FEATURE_DISPLAY = libbfd disassembler-four-args check_feat := 1 -NON_CHECK_FEAT_TARGETS := clean bpftool_clean runqslower_clean +NON_CHECK_FEAT_TARGETS := clean bpftool_clean runqslower_clean resolve_btfids_clean ifdef MAKECMDGOALS ifeq ($(filter-out $(NON_CHECK_FEAT_TARGETS),$(MAKECMDGOALS)),) check_feat := 0 @@ -89,7 +89,7 @@ $(OUTPUT)bpf_exp.lex.c: $(OUTPUT)bpf_exp.yacc.c $(OUTPUT)bpf_exp.yacc.o: $(OUTPUT)bpf_exp.yacc.c $(OUTPUT)bpf_exp.lex.o: $(OUTPUT)bpf_exp.lex.c -clean: bpftool_clean runqslower_clean +clean: bpftool_clean runqslower_clean resolve_btfids_clean $(call QUIET_CLEAN, bpf-progs) $(Q)$(RM) -r -- $(OUTPUT)*.o $(OUTPUT)bpf_jit_disasm $(OUTPUT)bpf_dbg \ $(OUTPUT)bpf_asm $(OUTPUT)bpf_exp.yacc.* $(OUTPUT)bpf_exp.lex.* diff --git a/tools/bpf/bpftool/Makefile b/tools/bpf/bpftool/Makefile index 8462690a039b8e..4828913703b69d 100644 --- a/tools/bpf/bpftool/Makefile +++ b/tools/bpf/bpftool/Makefile @@ -25,7 +25,7 @@ endif LIBBPF = $(LIBBPF_PATH)libbpf.a -BPFTOOL_VERSION := $(shell make -rR --no-print-directory -sC ../../.. kernelversion) +BPFTOOL_VERSION ?= $(shell make -rR --no-print-directory -sC ../../.. kernelversion) $(LIBBPF): FORCE $(if $(LIBBPF_OUTPUT),@mkdir -p $(LIBBPF_OUTPUT)) diff --git a/tools/bpf/resolve_btfids/Makefile b/tools/bpf/resolve_btfids/Makefile index a88cd442639894..fe8eb537688b76 100644 --- a/tools/bpf/resolve_btfids/Makefile +++ b/tools/bpf/resolve_btfids/Makefile @@ -80,6 +80,7 @@ libbpf-clean: clean: libsubcmd-clean libbpf-clean fixdep-clean $(call msg,CLEAN,$(BINARY)) $(Q)$(RM) -f $(BINARY); \ + $(RM) -rf $(if $(OUTPUT),$(OUTPUT),.)/feature; \ find $(if $(OUTPUT),$(OUTPUT),.) -name \*.o -or -name \*.o.cmd -or -name \*.o.d | xargs $(RM) tags: diff --git a/tools/include/uapi/linux/in.h b/tools/include/uapi/linux/in.h index 3d0d8231dc1968..7d6687618d8080 100644 --- a/tools/include/uapi/linux/in.h +++ b/tools/include/uapi/linux/in.h @@ -135,7 +135,7 @@ struct in_addr { * this socket to prevent accepting spoofed ones. */ #define IP_PMTUDISC_INTERFACE 4 -/* weaker version of IP_PMTUDISC_INTERFACE, which allos packets to get +/* weaker version of IP_PMTUDISC_INTERFACE, which allows packets to get * fragmented if they exeed the interface mtu */ #define IP_PMTUDISC_OMIT 5 diff --git a/tools/include/uapi/linux/kvm.h b/tools/include/uapi/linux/kvm.h index f6d86033c4fa3d..7d8eced6f459b0 100644 --- a/tools/include/uapi/linux/kvm.h +++ b/tools/include/uapi/linux/kvm.h @@ -790,9 +790,10 @@ struct kvm_ppc_resize_hpt { #define KVM_VM_PPC_HV 1 #define KVM_VM_PPC_PR 2 -/* on MIPS, 0 forces trap & emulate, 1 forces VZ ASE */ -#define KVM_VM_MIPS_TE 0 +/* on MIPS, 0 indicates auto, 1 forces VZ ASE, 2 forces trap & emulate */ +#define KVM_VM_MIPS_AUTO 0 #define KVM_VM_MIPS_VZ 1 +#define KVM_VM_MIPS_TE 2 #define KVM_S390_SIE_PAGE_OFFSET 1 @@ -1035,6 +1036,7 @@ struct kvm_ppc_resize_hpt { #define KVM_CAP_LAST_CPU 184 #define KVM_CAP_SMALLER_MAXPHYADDR 185 #define KVM_CAP_S390_DIAG318 186 +#define KVM_CAP_STEAL_TIME 187 #ifdef KVM_CAP_IRQ_ROUTING diff --git a/tools/include/uapi/linux/perf_event.h b/tools/include/uapi/linux/perf_event.h index 077e7ee69e3d8c..3e5dcdd48a4998 100644 --- a/tools/include/uapi/linux/perf_event.h +++ b/tools/include/uapi/linux/perf_event.h @@ -1196,7 +1196,7 @@ union perf_mem_data_src { #define PERF_MEM_SNOOPX_FWD 0x01 /* forward */ /* 1 free */ -#define PERF_MEM_SNOOPX_SHIFT 37 +#define PERF_MEM_SNOOPX_SHIFT 38 /* locked instruction */ #define PERF_MEM_LOCK_NA 0x01 /* not available */ diff --git a/tools/io_uring/io_uring-bench.c b/tools/io_uring/io_uring-bench.c index 0f257139b003e1..7703f011838540 100644 --- a/tools/io_uring/io_uring-bench.c +++ b/tools/io_uring/io_uring-bench.c @@ -130,7 +130,7 @@ static int io_uring_register_files(struct submitter *s) s->nr_files); } -static int gettid(void) +static int lk_gettid(void) { return syscall(__NR_gettid); } @@ -281,7 +281,7 @@ static void *submitter_fn(void *data) struct io_sq_ring *ring = &s->sq_ring; int ret, prepped; - printf("submitter=%d\n", gettid()); + printf("submitter=%d\n", lk_gettid()); srand48_r(pthread_self(), &s->rand); diff --git a/tools/lib/bpf/Makefile b/tools/lib/bpf/Makefile index bf8ed134cb8a37..9ae8f4ef0aac27 100644 --- a/tools/lib/bpf/Makefile +++ b/tools/lib/bpf/Makefile @@ -59,7 +59,7 @@ FEATURE_USER = .libbpf FEATURE_TESTS = libelf libelf-mmap zlib bpf reallocarray FEATURE_DISPLAY = libelf zlib bpf -INCLUDES = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(ARCH)/include/uapi -I$(srctree)/tools/include/uapi +INCLUDES = -I. -I$(srctree)/tools/include -I$(srctree)/tools/include/uapi FEATURE_CHECK_CFLAGS-bpf = $(INCLUDES) check_feat := 1 @@ -152,6 +152,7 @@ GLOBAL_SYM_COUNT = $(shell readelf -s --wide $(BPF_IN_SHARED) | \ awk '/GLOBAL/ && /DEFAULT/ && !/UND/ {print $$NF}' | \ sort -u | wc -l) VERSIONED_SYM_COUNT = $(shell readelf --dyn-syms --wide $(OUTPUT)libbpf.so | \ + awk '/GLOBAL/ && /DEFAULT/ && !/UND/ {print $$NF}' | \ grep -Eo '[^ ]+@LIBBPF_' | cut -d@ -f1 | sort -u | wc -l) CMD_TARGETS = $(LIB_TARGET) $(PC_FILE) @@ -219,6 +220,7 @@ check_abi: $(OUTPUT)libbpf.so awk '/GLOBAL/ && /DEFAULT/ && !/UND/ {print $$NF}'| \ sort -u > $(OUTPUT)libbpf_global_syms.tmp; \ readelf --dyn-syms --wide $(OUTPUT)libbpf.so | \ + awk '/GLOBAL/ && /DEFAULT/ && !/UND/ {print $$NF}'| \ grep -Eo '[^ ]+@LIBBPF_' | cut -d@ -f1 | \ sort -u > $(OUTPUT)libbpf_versioned_syms.tmp; \ diff -u $(OUTPUT)libbpf_global_syms.tmp \ diff --git a/tools/lib/bpf/btf.c b/tools/lib/bpf/btf.c index 7dfca7016aaa8d..6bdbc389b49390 100644 --- a/tools/lib/bpf/btf.c +++ b/tools/lib/bpf/btf.c @@ -659,6 +659,12 @@ struct btf *btf__parse_raw(const char *path) err = -EIO; goto err_out; } + if (magic == __bswap_16(BTF_MAGIC)) { + /* non-native endian raw BTF */ + pr_warn("non-native BTF endianness is not supported\n"); + err = -LIBBPF_ERRNO__ENDIAN; + goto err_out; + } if (magic != BTF_MAGIC) { /* definitely not a raw BTF */ err = -EPROTO; diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c index 0ad0b0491e1f2a..e493d6048143f0 100644 --- a/tools/lib/bpf/libbpf.c +++ b/tools/lib/bpf/libbpf.c @@ -5203,8 +5203,8 @@ static int bpf_object__collect_map_relos(struct bpf_object *obj, int i, j, nrels, new_sz; const struct btf_var_secinfo *vi = NULL; const struct btf_type *sec, *var, *def; + struct bpf_map *map = NULL, *targ_map; const struct btf_member *member; - struct bpf_map *map, *targ_map; const char *name, *mname; Elf_Data *symbols; unsigned int moff; @@ -6925,7 +6925,7 @@ static const struct bpf_sec_def section_defs[] = { BPF_XDP_DEVMAP), BPF_EAPROG_SEC("xdp_cpumap/", BPF_PROG_TYPE_XDP, BPF_XDP_CPUMAP), - BPF_EAPROG_SEC("xdp", BPF_PROG_TYPE_XDP, + BPF_APROG_SEC("xdp", BPF_PROG_TYPE_XDP, BPF_XDP), BPF_PROG_SEC("perf_event", BPF_PROG_TYPE_PERF_EVENT), BPF_PROG_SEC("lwt_in", BPF_PROG_TYPE_LWT_IN), diff --git a/tools/lib/traceevent/event-parse.c b/tools/lib/traceevent/event-parse.c index 3ba566de821c6b..5acc18b326061f 100644 --- a/tools/lib/traceevent/event-parse.c +++ b/tools/lib/traceevent/event-parse.c @@ -5259,7 +5259,7 @@ static int print_arg_pointer(struct trace_seq *s, const char *format, int plen, default: ret = 0; val = eval_num_arg(data, size, event, arg); - trace_seq_printf(s, "%p", (void *)val); + trace_seq_printf(s, "%p", (void *)(intptr_t)val); break; } diff --git a/tools/objtool/check.c b/tools/objtool/check.c index e034a8f24f4668..90a66891441ab1 100644 --- a/tools/objtool/check.c +++ b/tools/objtool/check.c @@ -619,7 +619,7 @@ static int add_jump_destinations(struct objtool_file *file) if (!is_static_jump(insn)) continue; - if (insn->ignore || insn->offset == FAKE_JUMP_OFFSET) + if (insn->offset == FAKE_JUMP_OFFSET) continue; reloc = find_reloc_by_dest_range(file->elf, insn->sec, diff --git a/tools/perf/Documentation/perf-record.txt b/tools/perf/Documentation/perf-record.txt index 3f72d8e261f3de..bd50cdff08a88b 100644 --- a/tools/perf/Documentation/perf-record.txt +++ b/tools/perf/Documentation/perf-record.txt @@ -33,6 +33,10 @@ OPTIONS - a raw PMU event (eventsel+umask) in the form of rNNN where NNN is a hexadecimal event descriptor. + - a symbolic or raw PMU event followed by an optional colon + and a list of event modifiers, e.g., cpu-cycles:p. See the + linkperf:perf-list[1] man page for details on event modifiers. + - a symbolically formed PMU event like 'pmu/param1=0x3,param2/' where 'param1', 'param2', etc are defined as formats for the PMU in /sys/bus/event_source/devices/<pmu>/format/*. diff --git a/tools/perf/Documentation/perf-stat.txt b/tools/perf/Documentation/perf-stat.txt index c9bfefc051fbef..db420dd75e4357 100644 --- a/tools/perf/Documentation/perf-stat.txt +++ b/tools/perf/Documentation/perf-stat.txt @@ -39,6 +39,10 @@ report:: - a raw PMU event (eventsel+umask) in the form of rNNN where NNN is a hexadecimal event descriptor. + - a symbolic or raw PMU event followed by an optional colon + and a list of event modifiers, e.g., cpu-cycles:p. See the + linkperf:perf-list[1] man page for details on event modifiers. + - a symbolically formed event like 'pmu/param1=0x3,param2/' where param1 and param2 are defined as formats for the PMU in /sys/bus/event_source/devices/<pmu>/format/* @@ -416,6 +420,9 @@ counts for all hardware threads in a core but show the sum counts per hardware thread. This is essentially a replacement for the any bit and convenient for post processing. +--summary:: +Print summary for interval mode (-I). + EXAMPLES -------- diff --git a/tools/perf/bench/sched-messaging.c b/tools/perf/bench/sched-messaging.c index 71d830d7b92312..cecce93ccc6360 100644 --- a/tools/perf/bench/sched-messaging.c +++ b/tools/perf/bench/sched-messaging.c @@ -66,11 +66,10 @@ static void fdpair(int fds[2]) /* Block until we're ready to go */ static void ready(int ready_out, int wakefd) { - char dummy; struct pollfd pollfd = { .fd = wakefd, .events = POLLIN }; /* Tell them we're ready. */ - if (write(ready_out, &dummy, 1) != 1) + if (write(ready_out, "R", 1) != 1) err(EXIT_FAILURE, "CLIENT: ready write"); /* Wait for "GO" signal */ @@ -85,6 +84,7 @@ static void *sender(struct sender_context *ctx) unsigned int i, j; ready(ctx->ready_out, ctx->wakefd); + memset(data, 'S', sizeof(data)); /* Now pump to every receiver. */ for (i = 0; i < nr_loops; i++) { diff --git a/tools/perf/bench/synthesize.c b/tools/perf/bench/synthesize.c index 8d624aea1c5e54..b2924e3181dc38 100644 --- a/tools/perf/bench/synthesize.c +++ b/tools/perf/bench/synthesize.c @@ -162,8 +162,8 @@ static int do_run_multi_threaded(struct target *target, init_stats(&event_stats); for (i = 0; i < multi_iterations; i++) { session = perf_session__new(NULL, false, NULL); - if (!session) - return -ENOMEM; + if (IS_ERR(session)) + return PTR_ERR(session); atomic_set(&event_count, 0); gettimeofday(&start, NULL); diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index f91352f847c08f..772f1057647ff6 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -2452,7 +2452,7 @@ static struct option __record_options[] = { OPT_BOOLEAN(0, "tail-synthesize", &record.opts.tail_synthesize, "synthesize non-sample events at the end of output"), OPT_BOOLEAN(0, "overwrite", &record.opts.overwrite, "use overwrite mode"), - OPT_BOOLEAN(0, "no-bpf-event", &record.opts.no_bpf_event, "record bpf events"), + OPT_BOOLEAN(0, "no-bpf-event", &record.opts.no_bpf_event, "do not record bpf events"), OPT_BOOLEAN(0, "strict-freq", &record.opts.strict_freq, "Fail if the specified frequency can't be used"), OPT_CALLBACK('F', "freq", &record.opts, "freq or 'max'", diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index ece1cddfcd7c79..3c74c9c0f3c385 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -1332,6 +1332,9 @@ int cmd_report(int argc, const char **argv) if (report.mmaps_mode) report.tasks_mode = true; + if (dump_trace) + report.tool.ordered_events = false; + if (quiet) perf_quiet_option(); diff --git a/tools/perf/builtin-sched.c b/tools/perf/builtin-sched.c index 0c7d599fa555ac..e6fc297cee91dd 100644 --- a/tools/perf/builtin-sched.c +++ b/tools/perf/builtin-sched.c @@ -2584,7 +2584,8 @@ static int timehist_sched_change_event(struct perf_tool *tool, } if (!sched->idle_hist || thread->tid == 0) { - timehist_update_runtime_stats(tr, t, tprev); + if (!cpu_list || test_bit(sample->cpu, cpu_bitmap)) + timehist_update_runtime_stats(tr, t, tprev); if (sched->idle_hist) { struct idle_thread_runtime *itr = (void *)tr; @@ -2857,6 +2858,9 @@ static void timehist_print_summary(struct perf_sched *sched, printf("\nIdle stats:\n"); for (i = 0; i < idle_max_cpu; ++i) { + if (cpu_list && !test_bit(i, cpu_bitmap)) + continue; + t = idle_threads[i]; if (!t) continue; diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index 483a28ef4ec4fe..fddc97cac98415 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -404,7 +404,7 @@ static void read_counters(struct timespec *rs) { struct evsel *counter; - if (!stat_config.summary && (read_affinity_counters(rs) < 0)) + if (!stat_config.stop_read_counter && (read_affinity_counters(rs) < 0)) return; evlist__for_each_entry(evsel_list, counter) { @@ -897,9 +897,9 @@ try_again_reset: if (stat_config.walltime_run_table) stat_config.walltime_run[run_idx] = t1 - t0; - if (interval) { + if (interval && stat_config.summary) { stat_config.interval = 0; - stat_config.summary = true; + stat_config.stop_read_counter = true; init_stats(&walltime_nsecs_stats); update_stats(&walltime_nsecs_stats, t1 - t0); @@ -1164,6 +1164,8 @@ static struct option stat_options[] = { "Use with 'percore' event qualifier to show the event " "counts of one hardware thread by sum up total hardware " "threads of same physical core"), + OPT_BOOLEAN(0, "summary", &stat_config.summary, + "print summary for interval mode"), #ifdef HAVE_LIBPFM OPT_CALLBACK(0, "pfm-events", &evsel_list, "event", "libpfm4 event selector. use 'perf list' to list available events", diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index 994c230027bb2a..7c64134472c775 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -1746,6 +1746,7 @@ int cmd_top(int argc, const char **argv) goto out_delete_evlist; } +#ifdef HAVE_LIBBPF_SUPPORT if (!top.record_opts.no_bpf_event) { top.sb_evlist = evlist__new(); @@ -1759,6 +1760,7 @@ int cmd_top(int argc, const char **argv) goto out_delete_evlist; } } +#endif if (perf_evlist__start_sb_thread(top.sb_evlist, target)) { pr_debug("Couldn't start the BPF side band thread:\nBPF programs starting from now on won't be annotatable\n"); diff --git a/tools/perf/pmu-events/arch/x86/amdzen1/core.json b/tools/perf/pmu-events/arch/x86/amdzen1/core.json index 7e1aa8273935c6..653b11b2339929 100644 --- a/tools/perf/pmu-events/arch/x86/amdzen1/core.json +++ b/tools/perf/pmu-events/arch/x86/amdzen1/core.json @@ -61,7 +61,7 @@ { "EventName": "ex_ret_brn_ind_misp", "EventCode": "0xca", - "BriefDescription": "Retired Indirect Branch Instructions Mispredicted.", + "BriefDescription": "Retired Indirect Branch Instructions Mispredicted." }, { "EventName": "ex_ret_mmx_fp_instr.sse_instr", diff --git a/tools/perf/pmu-events/arch/x86/amdzen2/core.json b/tools/perf/pmu-events/arch/x86/amdzen2/core.json index de89e5a44ff154..4b75183da94aee 100644 --- a/tools/perf/pmu-events/arch/x86/amdzen2/core.json +++ b/tools/perf/pmu-events/arch/x86/amdzen2/core.json @@ -125,6 +125,6 @@ { "EventName": "ex_ret_fus_brnch_inst", "EventCode": "0x1d0", - "BriefDescription": "Retired Fused Instructions. The number of fuse-branch instructions retired per cycle. The number of events logged per cycle can vary from 0-8.", + "BriefDescription": "Retired Fused Instructions. The number of fuse-branch instructions retired per cycle. The number of events logged per cycle can vary from 0-8." } ] diff --git a/tools/perf/pmu-events/jevents.c b/tools/perf/pmu-events/jevents.c index fa86c5f997cc54..fc9c158bfa134e 100644 --- a/tools/perf/pmu-events/jevents.c +++ b/tools/perf/pmu-events/jevents.c @@ -137,7 +137,7 @@ static char *fixregex(char *s) return s; /* allocate space for a new string */ - fixed = (char *) malloc(len + 1); + fixed = (char *) malloc(len + esc_count + 1); if (!fixed) return NULL; diff --git a/tools/perf/tests/attr/README b/tools/perf/tests/attr/README index 6cd40810859551..a36f49fb4dbea3 100644 --- a/tools/perf/tests/attr/README +++ b/tools/perf/tests/attr/README @@ -49,6 +49,7 @@ Following tests are defined (with perf commands): perf record --call-graph fp kill (test-record-graph-fp) perf record --group -e cycles,instructions kill (test-record-group) perf record -e '{cycles,instructions}' kill (test-record-group1) + perf record -e '{cycles/period=1/,instructions/period=2/}:S' kill (test-record-group2) perf record -D kill (test-record-no-delay) perf record -i kill (test-record-no-inherit) perf record -n kill (test-record-no-samples) diff --git a/tools/perf/tests/attr/test-record-group2 b/tools/perf/tests/attr/test-record-group2 new file mode 100644 index 00000000000000..6b9f8d182ce10e --- /dev/null +++ b/tools/perf/tests/attr/test-record-group2 @@ -0,0 +1,29 @@ +[config] +command = record +args = --no-bpf-event -e '{cycles/period=1234000/,instructions/period=6789000/}:S' kill >/dev/null 2>&1 +ret = 1 + +[event-1:base-record] +fd=1 +group_fd=-1 +config=0|1 +sample_period=1234000 +sample_type=87 +read_format=12 +inherit=0 +freq=0 + +[event-2:base-record] +fd=2 +group_fd=1 +config=0|1 +sample_period=6789000 +sample_type=87 +read_format=12 +disabled=0 +inherit=0 +mmap=0 +comm=0 +freq=0 +enable_on_exec=0 +task=0 diff --git a/tools/perf/tests/bp_signal.c b/tools/perf/tests/bp_signal.c index da8ec1e8e06481..cc9fbcedb3646e 100644 --- a/tools/perf/tests/bp_signal.c +++ b/tools/perf/tests/bp_signal.c @@ -45,10 +45,13 @@ volatile long the_var; #if defined (__x86_64__) extern void __test_function(volatile long *ptr); asm ( + ".pushsection .text;" ".globl __test_function\n" + ".type __test_function, @function;" "__test_function:\n" "incq (%rdi)\n" - "ret\n"); + "ret\n" + ".popsection\n"); #else static void __test_function(volatile long *ptr) { diff --git a/tools/perf/tests/bpf.c b/tools/perf/tests/bpf.c index 5d20bf8397f09d..cd77e334e5777d 100644 --- a/tools/perf/tests/bpf.c +++ b/tools/perf/tests/bpf.c @@ -197,7 +197,7 @@ static int do_test(struct bpf_object *obj, int (*func)(void), perf_mmap__read_done(&md->core); } - if (count != expect) { + if (count != expect * evlist->core.nr_entries) { pr_debug("BPF filter result incorrect, expected %d, got %d samples\n", expect, count); goto out_delete_evlist; } diff --git a/tools/perf/tests/parse-events.c b/tools/perf/tests/parse-events.c index 7f9f87a470c3bc..aae0fd9045c1c4 100644 --- a/tools/perf/tests/parse-events.c +++ b/tools/perf/tests/parse-events.c @@ -719,7 +719,7 @@ static int test__group2(struct evlist *evlist) TEST_ASSERT_VAL("wrong exclude_user", !evsel->core.attr.exclude_user); TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->core.attr.exclude_kernel); TEST_ASSERT_VAL("wrong exclude_hv", evsel->core.attr.exclude_hv); - TEST_ASSERT_VAL("wrong exclude guest", !evsel->core.attr.exclude_guest); + TEST_ASSERT_VAL("wrong exclude guest", evsel->core.attr.exclude_guest); TEST_ASSERT_VAL("wrong exclude host", !evsel->core.attr.exclude_host); TEST_ASSERT_VAL("wrong precise_ip", !evsel->core.attr.precise_ip); TEST_ASSERT_VAL("wrong leader", evsel__is_group_leader(evsel)); @@ -842,7 +842,7 @@ static int test__group3(struct evlist *evlist __maybe_unused) TEST_ASSERT_VAL("wrong exclude_user", !evsel->core.attr.exclude_user); TEST_ASSERT_VAL("wrong exclude_kernel", evsel->core.attr.exclude_kernel); TEST_ASSERT_VAL("wrong exclude_hv", evsel->core.attr.exclude_hv); - TEST_ASSERT_VAL("wrong exclude guest", !evsel->core.attr.exclude_guest); + TEST_ASSERT_VAL("wrong exclude guest", evsel->core.attr.exclude_guest); TEST_ASSERT_VAL("wrong exclude host", !evsel->core.attr.exclude_host); TEST_ASSERT_VAL("wrong precise_ip", !evsel->core.attr.precise_ip); TEST_ASSERT_VAL("wrong leader", evsel__is_group_leader(evsel)); diff --git a/tools/perf/tests/parse-metric.c b/tools/perf/tests/parse-metric.c index fc0838a7abc22f..cd7331aac3bdfb 100644 --- a/tools/perf/tests/parse-metric.c +++ b/tools/perf/tests/parse-metric.c @@ -70,6 +70,9 @@ static struct pmu_event pme_test[] = { { .metric_expr = "1/m3", .metric_name = "M3", +}, +{ + .name = NULL, } }; @@ -150,8 +153,10 @@ static int __compute_metric(const char *name, struct value *vals, return -ENOMEM; cpus = perf_cpu_map__new("0"); - if (!cpus) + if (!cpus) { + evlist__delete(evlist); return -ENOMEM; + } perf_evlist__set_maps(&evlist->core, cpus, NULL); @@ -160,10 +165,11 @@ static int __compute_metric(const char *name, struct value *vals, false, false, &metric_events); if (err) - return err; + goto out; - if (perf_evlist__alloc_stats(evlist, false)) - return -1; + err = perf_evlist__alloc_stats(evlist, false); + if (err) + goto out; /* Load the runtime stats with given numbers for events. */ runtime_stat__init(&st); @@ -175,13 +181,14 @@ static int __compute_metric(const char *name, struct value *vals, if (name2 && ratio2) *ratio2 = compute_single(&metric_events, evlist, &st, name2); +out: /* ... clenup. */ metricgroup__rblist_exit(&metric_events); runtime_stat__exit(&st); perf_evlist__free_stats(evlist); perf_cpu_map__put(cpus); evlist__delete(evlist); - return 0; + return err; } static int compute_metric(const char *name, struct value *vals, double *ratio) diff --git a/tools/perf/tests/pmu-events.c b/tools/perf/tests/pmu-events.c index eb19f9a0bc153e..d3517a74d95e38 100644 --- a/tools/perf/tests/pmu-events.c +++ b/tools/perf/tests/pmu-events.c @@ -274,6 +274,7 @@ static int __test__pmu_event_aliases(char *pmu_name, int *count) int res = 0; bool use_uncore_table; struct pmu_events_map *map = __test_pmu_get_events_map(); + struct perf_pmu_alias *a, *tmp; if (!map) return -1; @@ -347,6 +348,10 @@ static int __test__pmu_event_aliases(char *pmu_name, int *count) pmu_name, alias->name); } + list_for_each_entry_safe(a, tmp, &aliases, list) { + list_del(&a->list); + perf_pmu_free_alias(a); + } free(pmu); return res; } diff --git a/tools/perf/tests/pmu.c b/tools/perf/tests/pmu.c index 5c11fe2b304068..714e6830a758fa 100644 --- a/tools/perf/tests/pmu.c +++ b/tools/perf/tests/pmu.c @@ -173,6 +173,7 @@ int test__pmu(struct test *test __maybe_unused, int subtest __maybe_unused) ret = 0; } while (0); + perf_pmu__del_formats(&formats); test_format_dir_put(format); return ret; } diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c index be9c4c0549bc83..a07626f072087d 100644 --- a/tools/perf/ui/browsers/hists.c +++ b/tools/perf/ui/browsers/hists.c @@ -3629,8 +3629,8 @@ int perf_evlist__tui_browse_hists(struct evlist *evlist, const char *help, { int nr_entries = evlist->core.nr_entries; -single_entry: if (perf_evlist__single_entry(evlist)) { +single_entry: { struct evsel *first = evlist__first(evlist); return perf_evsel__hists_browse(first, nr_entries, help, @@ -3638,6 +3638,7 @@ single_entry: env, warn_lost_event, annotation_opts); } + } if (symbol_conf.event_group) { struct evsel *pos; diff --git a/tools/perf/util/arm-spe-decoder/arm-spe-decoder.c b/tools/perf/util/arm-spe-decoder/arm-spe-decoder.c index 302a14d0aca9e5..93e063f22be50d 100644 --- a/tools/perf/util/arm-spe-decoder/arm-spe-decoder.c +++ b/tools/perf/util/arm-spe-decoder/arm-spe-decoder.c @@ -182,15 +182,15 @@ static int arm_spe_read_record(struct arm_spe_decoder *decoder) if (payload & BIT(EV_TLB_ACCESS)) decoder->record.type |= ARM_SPE_TLB_ACCESS; - if ((idx == 1 || idx == 2 || idx == 3) && + if ((idx == 2 || idx == 4 || idx == 8) && (payload & BIT(EV_LLC_MISS))) decoder->record.type |= ARM_SPE_LLC_MISS; - if ((idx == 1 || idx == 2 || idx == 3) && + if ((idx == 2 || idx == 4 || idx == 8) && (payload & BIT(EV_LLC_ACCESS))) decoder->record.type |= ARM_SPE_LLC_ACCESS; - if ((idx == 1 || idx == 2 || idx == 3) && + if ((idx == 2 || idx == 4 || idx == 8) && (payload & BIT(EV_REMOTE_ACCESS))) decoder->record.type |= ARM_SPE_REMOTE_ACCESS; diff --git a/tools/perf/util/cs-etm.c b/tools/perf/util/cs-etm.c index c283223fb31f22..a2a369e2fbb67e 100644 --- a/tools/perf/util/cs-etm.c +++ b/tools/perf/util/cs-etm.c @@ -1344,8 +1344,15 @@ static int cs_etm__synth_events(struct cs_etm_auxtrace *etm, attr.sample_type &= ~(u64)PERF_SAMPLE_ADDR; } - if (etm->synth_opts.last_branch) + if (etm->synth_opts.last_branch) { attr.sample_type |= PERF_SAMPLE_BRANCH_STACK; + /* + * We don't use the hardware index, but the sample generation + * code uses the new format branch_stack with this field, + * so the event attributes must indicate that it's present. + */ + attr.branch_sample_type |= PERF_SAMPLE_BRANCH_HW_INDEX; + } if (etm->synth_opts.instructions) { attr.config = PERF_COUNT_HW_INSTRUCTIONS; diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c index e3fa3bf7498a22..c0768c61eb430d 100644 --- a/tools/perf/util/evlist.c +++ b/tools/perf/util/evlist.c @@ -946,6 +946,10 @@ int perf_evlist__create_maps(struct evlist *evlist, struct target *target) perf_evlist__set_maps(&evlist->core, cpus, threads); + /* as evlist now has references, put count here */ + perf_cpu_map__put(cpus); + perf_thread_map__put(threads); + return 0; out_delete_threads: @@ -1273,11 +1277,12 @@ static int perf_evlist__create_syswide_maps(struct evlist *evlist) goto out_put; perf_evlist__set_maps(&evlist->core, cpus, threads); -out: - return err; + + perf_thread_map__put(threads); out_put: perf_cpu_map__put(cpus); - goto out; +out: + return err; } int evlist__open(struct evlist *evlist) diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index fd865002cbbd44..459b51e900636e 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -976,16 +976,20 @@ void evsel__config(struct evsel *evsel, struct record_opts *opts, * We default some events to have a default interval. But keep * it a weak assumption overridable by the user. */ - if (!attr->sample_period || (opts->user_freq != UINT_MAX || - opts->user_interval != ULLONG_MAX)) { + if (!attr->sample_period) { if (opts->freq) { - evsel__set_sample_bit(evsel, PERIOD); attr->freq = 1; attr->sample_freq = opts->freq; } else { attr->sample_period = opts->default_interval; } } + /* + * If attr->freq was set (here or earlier), ask for period + * to be sampled. + */ + if (attr->freq) + evsel__set_sample_bit(evsel, PERIOD); if (opts->no_samples) attr->sample_freq = 0; diff --git a/tools/perf/util/intel-pt.c b/tools/perf/util/intel-pt.c index 2a8d245351e747..0af4e81c46e2be 100644 --- a/tools/perf/util/intel-pt.c +++ b/tools/perf/util/intel-pt.c @@ -3017,8 +3017,15 @@ static int intel_pt_synth_events(struct intel_pt *pt, if (pt->synth_opts.callchain) attr.sample_type |= PERF_SAMPLE_CALLCHAIN; - if (pt->synth_opts.last_branch) + if (pt->synth_opts.last_branch) { attr.sample_type |= PERF_SAMPLE_BRANCH_STACK; + /* + * We don't use the hardware index, but the sample generation + * code uses the new format branch_stack with this field, + * so the event attributes must indicate that it's present. + */ + attr.branch_sample_type |= PERF_SAMPLE_BRANCH_HW_INDEX; + } if (pt->synth_opts.instructions) { attr.config = PERF_COUNT_HW_INSTRUCTIONS; diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c index 208b813e00ea49..85587de027a518 100644 --- a/tools/perf/util/machine.c +++ b/tools/perf/util/machine.c @@ -736,12 +736,6 @@ int machine__process_switch_event(struct machine *machine __maybe_unused, return 0; } -static int is_bpf_image(const char *name) -{ - return strncmp(name, "bpf_trampoline_", sizeof("bpf_trampoline_") - 1) == 0 || - strncmp(name, "bpf_dispatcher_", sizeof("bpf_dispatcher_") - 1) == 0; -} - static int machine__process_ksymbol_register(struct machine *machine, union perf_event *event, struct perf_sample *sample __maybe_unused) diff --git a/tools/perf/util/map.c b/tools/perf/util/map.c index 1d7210804639fd..cc0faf8f132194 100644 --- a/tools/perf/util/map.c +++ b/tools/perf/util/map.c @@ -267,6 +267,22 @@ bool __map__is_bpf_prog(const struct map *map) return name && (strstr(name, "bpf_prog_") == name); } +bool __map__is_bpf_image(const struct map *map) +{ + const char *name; + + if (map->dso->binary_type == DSO_BINARY_TYPE__BPF_IMAGE) + return true; + + /* + * If PERF_RECORD_KSYMBOL is not included, the dso will not have + * type of DSO_BINARY_TYPE__BPF_IMAGE. In such cases, we can + * guess the type based on name. + */ + name = map->dso->short_name; + return name && is_bpf_image(name); +} + bool __map__is_ool(const struct map *map) { return map->dso && map->dso->binary_type == DSO_BINARY_TYPE__OOL; diff --git a/tools/perf/util/map.h b/tools/perf/util/map.h index 9e312ae2d65633..c2f5d28fe73ac4 100644 --- a/tools/perf/util/map.h +++ b/tools/perf/util/map.h @@ -147,12 +147,14 @@ int map__set_kallsyms_ref_reloc_sym(struct map *map, const char *symbol_name, bool __map__is_kernel(const struct map *map); bool __map__is_extra_kernel_map(const struct map *map); bool __map__is_bpf_prog(const struct map *map); +bool __map__is_bpf_image(const struct map *map); bool __map__is_ool(const struct map *map); static inline bool __map__is_kmodule(const struct map *map) { return !__map__is_kernel(map) && !__map__is_extra_kernel_map(map) && - !__map__is_bpf_prog(map) && !__map__is_ool(map); + !__map__is_bpf_prog(map) && !__map__is_ool(map) && + !__map__is_bpf_image(map); } bool map__has_symbols(const struct map *map); @@ -164,4 +166,9 @@ static inline bool is_entry_trampoline(const char *name) return !strcmp(name, ENTRY_TRAMPOLINE_NAME); } +static inline bool is_bpf_image(const char *name) +{ + return strncmp(name, "bpf_trampoline_", sizeof("bpf_trampoline_") - 1) == 0 || + strncmp(name, "bpf_dispatcher_", sizeof("bpf_dispatcher_") - 1) == 0; +} #endif /* __PERF_MAP_H */ diff --git a/tools/perf/util/metricgroup.c b/tools/perf/util/metricgroup.c index 8831b964288fa5..ab5030fcfed4e2 100644 --- a/tools/perf/util/metricgroup.c +++ b/tools/perf/util/metricgroup.c @@ -85,6 +85,7 @@ static void metric_event_delete(struct rblist *rblist __maybe_unused, list_for_each_entry_safe(expr, tmp, &me->head, nd) { free(expr->metric_refs); + free(expr->metric_events); free(expr); } @@ -316,6 +317,7 @@ static int metricgroup__setup_events(struct list_head *groups, if (!metric_refs) { ret = -ENOMEM; free(metric_events); + free(expr); break; } @@ -530,6 +532,9 @@ void metricgroup__print(bool metrics, bool metricgroups, char *filter, continue; strlist__add(me->metrics, s); } + + if (!raw) + free(s); } free(omg); } @@ -667,7 +672,6 @@ static int __add_metric(struct list_head *metric_list, m->has_constraint = metric_no_group || metricgroup__has_constraint(pe); INIT_LIST_HEAD(&m->metric_refs); m->metric_refs_cnt = 0; - *mp = m; parent = expr_ids__alloc(ids); if (!parent) { @@ -680,6 +684,7 @@ static int __add_metric(struct list_head *metric_list, free(m); return -ENOMEM; } + *mp = m; } else { /* * We got here for the referenced metric, via the @@ -714,8 +719,11 @@ static int __add_metric(struct list_head *metric_list, * all the metric's IDs and add it to the parent context. */ if (expr__find_other(pe->metric_expr, NULL, &m->pctx, runtime) < 0) { - expr__ctx_clear(&m->pctx); - free(m); + if (m->metric_refs_cnt == 0) { + expr__ctx_clear(&m->pctx); + free(m); + *mp = NULL; + } return -EINVAL; } @@ -934,7 +942,7 @@ static int metricgroup__add_metric(const char *metric, bool metric_no_group, ret = add_metric(&list, pe, metric_no_group, &m, NULL, &ids); if (ret) - return ret; + goto out; /* * Process any possible referenced metrics @@ -943,12 +951,14 @@ static int metricgroup__add_metric(const char *metric, bool metric_no_group, ret = resolve_metric(metric_no_group, &list, map, &ids); if (ret) - return ret; + goto out; } /* End of pmu events. */ - if (!has_match) - return -EINVAL; + if (!has_match) { + ret = -EINVAL; + goto out; + } list_for_each_entry(m, &list, nd) { if (events->len > 0) @@ -963,9 +973,14 @@ static int metricgroup__add_metric(const char *metric, bool metric_no_group, } } +out: + /* + * add to metric_list so that they can be released + * even if it's failed + */ list_splice(&list, metric_list); expr_ids__exit(&ids); - return 0; + return ret; } static int metricgroup__add_metric_list(const char *list, bool metric_no_group, @@ -1040,7 +1055,7 @@ static int parse_groups(struct evlist *perf_evlist, const char *str, ret = metricgroup__add_metric_list(str, metric_no_group, &extra_events, &metric_list, map); if (ret) - return ret; + goto out; pr_debug("adding %s\n", extra_events.buf); bzero(&parse_error, sizeof(parse_error)); ret = __parse_events(perf_evlist, extra_events.buf, &parse_error, fake_pmu); @@ -1048,11 +1063,11 @@ static int parse_groups(struct evlist *perf_evlist, const char *str, parse_events_print_error(&parse_error, extra_events.buf); goto out; } - strbuf_release(&extra_events); ret = metricgroup__setup_events(&metric_list, metric_no_merge, perf_evlist, metric_events); out: metricgroup__free_metrics(&metric_list); + strbuf_release(&extra_events); return ret; } diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c index 9f7260e691134e..667cbca1547ac5 100644 --- a/tools/perf/util/parse-events.c +++ b/tools/perf/util/parse-events.c @@ -37,6 +37,7 @@ #include "util/evsel_config.h" #include "util/event.h" #include "util/pfm.h" +#include "perf.h" #define MAX_NAME_LEN 100 @@ -410,7 +411,7 @@ static int add_event_tool(struct list_head *list, int *idx, return -ENOMEM; evsel->tool_event = tool_event; if (tool_event == PERF_TOOL_DURATION_TIME) - evsel->unit = strdup("ns"); + evsel->unit = "ns"; return 0; } @@ -1533,19 +1534,23 @@ int parse_events_add_pmu(struct parse_events_state *parse_state, evsel = __add_event(list, &parse_state->idx, &attr, true, get_config_name(head_config), pmu, &config_terms, auto_merge_stats, NULL); - if (evsel) { - evsel->unit = info.unit; - evsel->scale = info.scale; - evsel->per_pkg = info.per_pkg; - evsel->snapshot = info.snapshot; - evsel->metric_expr = info.metric_expr; - evsel->metric_name = info.metric_name; - evsel->pmu_name = name ? strdup(name) : NULL; - evsel->use_uncore_alias = use_uncore_alias; - evsel->percore = config_term_percore(&evsel->config_terms); - } + if (!evsel) + return -ENOMEM; + + evsel->pmu_name = name ? strdup(name) : NULL; + evsel->use_uncore_alias = use_uncore_alias; + evsel->percore = config_term_percore(&evsel->config_terms); - return evsel ? 0 : -ENOMEM; + if (parse_state->fake_pmu) + return 0; + + evsel->unit = info.unit; + evsel->scale = info.scale; + evsel->per_pkg = info.per_pkg; + evsel->snapshot = info.snapshot; + evsel->metric_expr = info.metric_expr; + evsel->metric_name = info.metric_name; + return 0; } int parse_events_multi_pmu_add(struct parse_events_state *parse_state, @@ -1794,6 +1799,8 @@ static int get_event_modifier(struct event_modifier *mod, char *str, if (*str == 'u') { if (!exclude) exclude = eu = ek = eh = 1; + if (!exclude_GH && !perf_guest) + eG = 1; eu = 0; } else if (*str == 'k') { if (!exclude) diff --git a/tools/perf/util/parse-events.y b/tools/perf/util/parse-events.y index b9fb91fdc5de91..645bf4f1859fd7 100644 --- a/tools/perf/util/parse-events.y +++ b/tools/perf/util/parse-events.y @@ -511,7 +511,7 @@ PE_PREFIX_MEM PE_VALUE '/' PE_VALUE ':' PE_MODIFIER_BP sep_dc list = alloc_list(); ABORT_ON(!list); err = parse_events_add_breakpoint(list, &parse_state->idx, - (void *) $2, $6, $4); + (void *)(uintptr_t) $2, $6, $4); free($6); if (err) { free(list); @@ -528,7 +528,7 @@ PE_PREFIX_MEM PE_VALUE '/' PE_VALUE sep_dc list = alloc_list(); ABORT_ON(!list); if (parse_events_add_breakpoint(list, &parse_state->idx, - (void *) $2, NULL, $4)) { + (void *)(uintptr_t) $2, NULL, $4)) { free(list); YYABORT; } @@ -544,7 +544,7 @@ PE_PREFIX_MEM PE_VALUE ':' PE_MODIFIER_BP sep_dc list = alloc_list(); ABORT_ON(!list); err = parse_events_add_breakpoint(list, &parse_state->idx, - (void *) $2, $4, 0); + (void *)(uintptr_t) $2, $4, 0); free($4); if (err) { free(list); @@ -561,7 +561,7 @@ PE_PREFIX_MEM PE_VALUE sep_dc list = alloc_list(); ABORT_ON(!list); if (parse_events_add_breakpoint(list, &parse_state->idx, - (void *) $2, NULL, 0)) { + (void *)(uintptr_t) $2, NULL, 0)) { free(list); YYABORT; } diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c index f1688e1f6ed780..d41caeb35cf6cb 100644 --- a/tools/perf/util/pmu.c +++ b/tools/perf/util/pmu.c @@ -274,7 +274,7 @@ static void perf_pmu_update_alias(struct perf_pmu_alias *old, } /* Delete an alias entry. */ -static void perf_pmu_free_alias(struct perf_pmu_alias *newalias) +void perf_pmu_free_alias(struct perf_pmu_alias *newalias) { zfree(&newalias->name); zfree(&newalias->desc); @@ -1354,6 +1354,17 @@ void perf_pmu__set_format(unsigned long *bits, long from, long to) set_bit(b, bits); } +void perf_pmu__del_formats(struct list_head *formats) +{ + struct perf_pmu_format *fmt, *tmp; + + list_for_each_entry_safe(fmt, tmp, formats, list) { + list_del(&fmt->list); + free(fmt->name); + free(fmt); + } +} + static int sub_non_neg(int a, int b) { if (b > a) diff --git a/tools/perf/util/pmu.h b/tools/perf/util/pmu.h index 44ccbdbb1c3743..a64e9c9ce731a1 100644 --- a/tools/perf/util/pmu.h +++ b/tools/perf/util/pmu.h @@ -94,6 +94,7 @@ int perf_pmu__new_format(struct list_head *list, char *name, int config, unsigned long *bits); void perf_pmu__set_format(unsigned long *bits, long from, long to); int perf_pmu__format_parse(char *dir, struct list_head *head); +void perf_pmu__del_formats(struct list_head *formats); struct perf_pmu *perf_pmu__scan(struct perf_pmu *pmu); @@ -113,6 +114,7 @@ void pmu_add_cpu_aliases_map(struct list_head *head, struct perf_pmu *pmu, struct pmu_events_map *perf_pmu__find_map(struct perf_pmu *pmu); bool pmu_uncore_alias_match(const char *pmu_name, const char *name); +void perf_pmu_free_alias(struct perf_pmu_alias *alias); int perf_pmu__convert_scale(const char *scale, char **end, double *sval); diff --git a/tools/perf/util/record.c b/tools/perf/util/record.c index a4cc11592f6b38..ea9aa1d7cf5013 100644 --- a/tools/perf/util/record.c +++ b/tools/perf/util/record.c @@ -2,6 +2,7 @@ #include "debug.h" #include "evlist.h" #include "evsel.h" +#include "evsel_config.h" #include "parse-events.h" #include <errno.h> #include <limits.h> @@ -33,11 +34,24 @@ static struct evsel *evsel__read_sampler(struct evsel *evsel, struct evlist *evl return leader; } +static u64 evsel__config_term_mask(struct evsel *evsel) +{ + struct evsel_config_term *term; + struct list_head *config_terms = &evsel->config_terms; + u64 term_types = 0; + + list_for_each_entry(term, config_terms, list) { + term_types |= 1 << term->type; + } + return term_types; +} + static void evsel__config_leader_sampling(struct evsel *evsel, struct evlist *evlist) { struct perf_event_attr *attr = &evsel->core.attr; struct evsel *leader = evsel->leader; struct evsel *read_sampler; + u64 term_types, freq_mask; if (!leader->sample_read) return; @@ -47,16 +61,20 @@ static void evsel__config_leader_sampling(struct evsel *evsel, struct evlist *ev if (evsel == read_sampler) return; + term_types = evsel__config_term_mask(evsel); /* - * Disable sampling for all group members other than the leader in - * case the leader 'leads' the sampling, except when the leader is an - * AUX area event, in which case the 2nd event in the group is the one - * that 'leads' the sampling. + * Disable sampling for all group members except those with explicit + * config terms or the leader. In the case of an AUX area event, the 2nd + * event in the group is the one that 'leads' the sampling. */ - attr->freq = 0; - attr->sample_freq = 0; - attr->sample_period = 0; - attr->write_backward = 0; + freq_mask = (1 << EVSEL__CONFIG_TERM_FREQ) | (1 << EVSEL__CONFIG_TERM_PERIOD); + if ((term_types & freq_mask) == 0) { + attr->freq = 0; + attr->sample_freq = 0; + attr->sample_period = 0; + } + if ((term_types & (1 << EVSEL__CONFIG_TERM_OVERWRITE)) == 0) + attr->write_backward = 0; /* * We don't get a sample for slave events, we make them when delivering diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c index ffbc9d35a383f7..7a5f03764702bf 100644 --- a/tools/perf/util/session.c +++ b/tools/perf/util/session.c @@ -87,7 +87,7 @@ static int perf_session__process_compressed_event(struct perf_session *session, session->decomp_last = decomp; } - pr_debug("decomp (B): %ld to %ld\n", src_size, decomp_size); + pr_debug("decomp (B): %zd to %zd\n", src_size, decomp_size); return 0; } diff --git a/tools/perf/util/stat-display.c b/tools/perf/util/stat-display.c index 57d0706e1330a2..493ec372fdec41 100644 --- a/tools/perf/util/stat-display.c +++ b/tools/perf/util/stat-display.c @@ -117,7 +117,7 @@ static void aggr_printout(struct perf_stat_config *config, cpu_map__id_to_die(id), config->csv_output ? 0 : -3, cpu_map__id_to_cpu(id), config->csv_sep); - } else { + } else if (id > -1) { fprintf(config->output, "CPU%*d%s", config->csv_output ? 0 : -7, evsel__cpus(evsel)->map[id], diff --git a/tools/perf/util/stat-shadow.c b/tools/perf/util/stat-shadow.c index e1ba6c1b916a63..924b54d15d5406 100644 --- a/tools/perf/util/stat-shadow.c +++ b/tools/perf/util/stat-shadow.c @@ -517,7 +517,7 @@ static void print_l1_dcache_misses(struct perf_stat_config *config, color = get_ratio_color(GRC_CACHE_MISSES, ratio); - out->print_metric(config, out->ctx, color, "%7.2f%%", "of all L1-dcache hits", ratio); + out->print_metric(config, out->ctx, color, "%7.2f%%", "of all L1-dcache accesses", ratio); } static void print_l1_icache_misses(struct perf_stat_config *config, @@ -538,7 +538,7 @@ static void print_l1_icache_misses(struct perf_stat_config *config, ratio = avg / total * 100.0; color = get_ratio_color(GRC_CACHE_MISSES, ratio); - out->print_metric(config, out->ctx, color, "%7.2f%%", "of all L1-icache hits", ratio); + out->print_metric(config, out->ctx, color, "%7.2f%%", "of all L1-icache accesses", ratio); } static void print_dtlb_cache_misses(struct perf_stat_config *config, @@ -558,7 +558,7 @@ static void print_dtlb_cache_misses(struct perf_stat_config *config, ratio = avg / total * 100.0; color = get_ratio_color(GRC_CACHE_MISSES, ratio); - out->print_metric(config, out->ctx, color, "%7.2f%%", "of all dTLB cache hits", ratio); + out->print_metric(config, out->ctx, color, "%7.2f%%", "of all dTLB cache accesses", ratio); } static void print_itlb_cache_misses(struct perf_stat_config *config, @@ -578,7 +578,7 @@ static void print_itlb_cache_misses(struct perf_stat_config *config, ratio = avg / total * 100.0; color = get_ratio_color(GRC_CACHE_MISSES, ratio); - out->print_metric(config, out->ctx, color, "%7.2f%%", "of all iTLB cache hits", ratio); + out->print_metric(config, out->ctx, color, "%7.2f%%", "of all iTLB cache accesses", ratio); } static void print_ll_cache_misses(struct perf_stat_config *config, @@ -598,7 +598,7 @@ static void print_ll_cache_misses(struct perf_stat_config *config, ratio = avg / total * 100.0; color = get_ratio_color(GRC_CACHE_MISSES, ratio); - out->print_metric(config, out->ctx, color, "%7.2f%%", "of all LL-cache hits", ratio); + out->print_metric(config, out->ctx, color, "%7.2f%%", "of all LL-cache accesses", ratio); } /* @@ -853,14 +853,16 @@ static void generic_metric(struct perf_stat_config *config, double test_generic_metric(struct metric_expr *mexp, int cpu, struct runtime_stat *st) { struct expr_parse_ctx pctx; - double ratio; + double ratio = 0.0; if (prepare_metric(mexp->metric_events, mexp->metric_refs, &pctx, cpu, st) < 0) - return 0.; + goto out; if (expr__parse(&ratio, &pctx, mexp->metric_expr, 1)) - return 0.; + ratio = 0.0; +out: + expr__ctx_clear(&pctx); return ratio; } @@ -918,7 +920,7 @@ void perf_stat__print_shadow_stats(struct perf_stat_config *config, if (runtime_stat_n(st, STAT_L1_DCACHE, ctx, cpu) != 0) print_l1_dcache_misses(config, cpu, evsel, avg, out, st); else - print_metric(config, ctxp, NULL, NULL, "of all L1-dcache hits", 0); + print_metric(config, ctxp, NULL, NULL, "of all L1-dcache accesses", 0); } else if ( evsel->core.attr.type == PERF_TYPE_HW_CACHE && evsel->core.attr.config == ( PERF_COUNT_HW_CACHE_L1I | @@ -928,7 +930,7 @@ void perf_stat__print_shadow_stats(struct perf_stat_config *config, if (runtime_stat_n(st, STAT_L1_ICACHE, ctx, cpu) != 0) print_l1_icache_misses(config, cpu, evsel, avg, out, st); else - print_metric(config, ctxp, NULL, NULL, "of all L1-icache hits", 0); + print_metric(config, ctxp, NULL, NULL, "of all L1-icache accesses", 0); } else if ( evsel->core.attr.type == PERF_TYPE_HW_CACHE && evsel->core.attr.config == ( PERF_COUNT_HW_CACHE_DTLB | @@ -938,7 +940,7 @@ void perf_stat__print_shadow_stats(struct perf_stat_config *config, if (runtime_stat_n(st, STAT_DTLB_CACHE, ctx, cpu) != 0) print_dtlb_cache_misses(config, cpu, evsel, avg, out, st); else - print_metric(config, ctxp, NULL, NULL, "of all dTLB cache hits", 0); + print_metric(config, ctxp, NULL, NULL, "of all dTLB cache accesses", 0); } else if ( evsel->core.attr.type == PERF_TYPE_HW_CACHE && evsel->core.attr.config == ( PERF_COUNT_HW_CACHE_ITLB | @@ -948,7 +950,7 @@ void perf_stat__print_shadow_stats(struct perf_stat_config *config, if (runtime_stat_n(st, STAT_ITLB_CACHE, ctx, cpu) != 0) print_itlb_cache_misses(config, cpu, evsel, avg, out, st); else - print_metric(config, ctxp, NULL, NULL, "of all iTLB cache hits", 0); + print_metric(config, ctxp, NULL, NULL, "of all iTLB cache accesses", 0); } else if ( evsel->core.attr.type == PERF_TYPE_HW_CACHE && evsel->core.attr.config == ( PERF_COUNT_HW_CACHE_LL | @@ -958,7 +960,7 @@ void perf_stat__print_shadow_stats(struct perf_stat_config *config, if (runtime_stat_n(st, STAT_LL_CACHE, ctx, cpu) != 0) print_ll_cache_misses(config, cpu, evsel, avg, out, st); else - print_metric(config, ctxp, NULL, NULL, "of all LL-cache hits", 0); + print_metric(config, ctxp, NULL, NULL, "of all LL-cache accesses", 0); } else if (evsel__match(evsel, HARDWARE, HW_CACHE_MISSES)) { total = runtime_stat_avg(st, STAT_CACHEREFS, ctx, cpu); diff --git a/tools/perf/util/stat.h b/tools/perf/util/stat.h index f8778cffd9419b..aa3bed48511b32 100644 --- a/tools/perf/util/stat.h +++ b/tools/perf/util/stat.h @@ -113,6 +113,7 @@ struct perf_stat_config { bool summary; bool metric_no_group; bool metric_no_merge; + bool stop_read_counter; FILE *output; unsigned int interval; unsigned int timeout; diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c index 1f5fcb828a212e..5151a8c0b791af 100644 --- a/tools/perf/util/symbol.c +++ b/tools/perf/util/symbol.c @@ -663,6 +663,7 @@ static bool symbol__is_idle(const char *name) "exit_idle", "mwait_idle", "mwait_idle_with_hints", + "mwait_idle_with_hints.constprop.0", "poll_idle", "ppc64_runlatch_off", "pseries_dedicated_idle_sleep", diff --git a/tools/perf/util/zstd.c b/tools/perf/util/zstd.c index d2202392ffdbb3..48dd2b018c47a7 100644 --- a/tools/perf/util/zstd.c +++ b/tools/perf/util/zstd.c @@ -99,7 +99,7 @@ size_t zstd_decompress_stream(struct zstd_data *data, void *src, size_t src_size while (input.pos < input.size) { ret = ZSTD_decompressStream(data->dstream, &output, &input); if (ZSTD_isError(ret)) { - pr_err("failed to decompress (B): %ld -> %ld, dst_size %ld : %s\n", + pr_err("failed to decompress (B): %zd -> %zd, dst_size %zd : %s\n", src_size, output.size, dst_size, ZSTD_getErrorName(ret)); break; } diff --git a/tools/testing/selftests/bpf/progs/bpf_iter_bpf_hash_map.c b/tools/testing/selftests/bpf/progs/bpf_iter_bpf_hash_map.c index 07ddbfdbcab706..6dfce3fd68bc85 100644 --- a/tools/testing/selftests/bpf/progs/bpf_iter_bpf_hash_map.c +++ b/tools/testing/selftests/bpf/progs/bpf_iter_bpf_hash_map.c @@ -47,7 +47,10 @@ int dump_bpf_hash_map(struct bpf_iter__bpf_map_elem *ctx) __u32 seq_num = ctx->meta->seq_num; struct bpf_map *map = ctx->map; struct key_t *key = ctx->key; + struct key_t tmp_key; __u64 *val = ctx->value; + __u64 tmp_val = 0; + int ret; if (in_test_mode) { /* test mode is used by selftests to @@ -61,6 +64,18 @@ int dump_bpf_hash_map(struct bpf_iter__bpf_map_elem *ctx) if (key == (void *)0 || val == (void *)0) return 0; + /* update the value and then delete the <key, value> pair. + * it should not impact the existing 'val' which is still + * accessible under rcu. + */ + __builtin_memcpy(&tmp_key, key, sizeof(struct key_t)); + ret = bpf_map_update_elem(&hashmap1, &tmp_key, &tmp_val, 0); + if (ret) + return 0; + ret = bpf_map_delete_elem(&hashmap1, &tmp_key); + if (ret) + return 0; + key_sum_a += key->a; key_sum_b += key->b; key_sum_c += key->c; diff --git a/tools/testing/selftests/bpf/test_maps.c b/tools/testing/selftests/bpf/test_maps.c index 754cf611723ee5..0d92ebcb335d1b 100644 --- a/tools/testing/selftests/bpf/test_maps.c +++ b/tools/testing/selftests/bpf/test_maps.c @@ -1274,6 +1274,8 @@ static void __run_parallel(unsigned int tasks, pid_t pid[tasks]; int i; + fflush(stdout); + for (i = 0; i < tasks; i++) { pid[i] = fork(); if (pid[i] == 0) { diff --git a/tools/testing/selftests/bpf/test_progs.c b/tools/testing/selftests/bpf/test_progs.c index b1e4dadacd9b40..22943b58d752ae 100644 --- a/tools/testing/selftests/bpf/test_progs.c +++ b/tools/testing/selftests/bpf/test_progs.c @@ -618,7 +618,9 @@ int cd_flavor_subdir(const char *exec_name) if (!flavor) return 0; flavor++; - fprintf(stdout, "Switching to flavor '%s' subdirectory...\n", flavor); + if (env.verbosity > VERBOSE_NONE) + fprintf(stdout, "Switching to flavor '%s' subdirectory...\n", flavor); + return chdir(flavor); } diff --git a/tools/testing/selftests/kvm/x86_64/debug_regs.c b/tools/testing/selftests/kvm/x86_64/debug_regs.c index b8d14f9db5f9ef..2fc6b3af81a11e 100644 --- a/tools/testing/selftests/kvm/x86_64/debug_regs.c +++ b/tools/testing/selftests/kvm/x86_64/debug_regs.c @@ -73,7 +73,7 @@ int main(void) int i; /* Instruction lengths starting at ss_start */ int ss_size[4] = { - 3, /* xor */ + 2, /* xor */ 2, /* cpuid */ 5, /* mov */ 2, /* rdmsr */ diff --git a/tools/testing/selftests/net/rtnetlink.sh b/tools/testing/selftests/net/rtnetlink.sh index 7c38a909f8b86c..8a2fe6d64bf242 100755 --- a/tools/testing/selftests/net/rtnetlink.sh +++ b/tools/testing/selftests/net/rtnetlink.sh @@ -1175,6 +1175,51 @@ kci_test_neigh_get() echo "PASS: neigh get" } +kci_test_bridge_parent_id() +{ + local ret=0 + sysfsnet=/sys/bus/netdevsim/devices/netdevsim + probed=false + + if [ ! -w /sys/bus/netdevsim/new_device ] ; then + modprobe -q netdevsim + check_err $? + if [ $ret -ne 0 ]; then + echo "SKIP: bridge_parent_id can't load netdevsim" + return $ksft_skip + fi + probed=true + fi + + echo "10 1" > /sys/bus/netdevsim/new_device + while [ ! -d ${sysfsnet}10 ] ; do :; done + echo "20 1" > /sys/bus/netdevsim/new_device + while [ ! -d ${sysfsnet}20 ] ; do :; done + udevadm settle + dev10=`ls ${sysfsnet}10/net/` + dev20=`ls ${sysfsnet}20/net/` + + ip link add name test-bond0 type bond mode 802.3ad + ip link set dev $dev10 master test-bond0 + ip link set dev $dev20 master test-bond0 + ip link add name test-br0 type bridge + ip link set dev test-bond0 master test-br0 + check_err $? + + # clean up any leftovers + ip link del dev test-br0 + ip link del dev test-bond0 + echo 20 > /sys/bus/netdevsim/del_device + echo 10 > /sys/bus/netdevsim/del_device + $probed && rmmod netdevsim + + if [ $ret -ne 0 ]; then + echo "FAIL: bridge_parent_id" + return 1 + fi + echo "PASS: bridge_parent_id" +} + kci_test_rtnl() { local ret=0 @@ -1224,6 +1269,8 @@ kci_test_rtnl() check_err $? kci_test_neigh_get check_err $? + kci_test_bridge_parent_id + check_err $? kci_del_dummy return $ret diff --git a/tools/testing/selftests/netfilter/nft_flowtable.sh b/tools/testing/selftests/netfilter/nft_flowtable.sh index a47d1d83221049..431296c0f91cf6 100755 --- a/tools/testing/selftests/netfilter/nft_flowtable.sh +++ b/tools/testing/selftests/netfilter/nft_flowtable.sh @@ -11,7 +11,7 @@ # result in fragmentation and/or PMTU discovery. # # You can check with different Orgininator/Link/Responder MTU eg: -# sh nft_flowtable.sh -o1000 -l500 -r100 +# nft_flowtable.sh -o8000 -l1500 -r2000 # @@ -27,8 +27,7 @@ ns2out="" log_netns=$(sysctl -n net.netfilter.nf_log_all_netns) checktool (){ - $1 > /dev/null 2>&1 - if [ $? -ne 0 ];then + if ! $1 > /dev/null 2>&1; then echo "SKIP: Could not $2" exit $ksft_skip fi @@ -87,19 +86,36 @@ omtu=9000 lmtu=1500 rmtu=2000 +usage(){ + echo "nft_flowtable.sh [OPTIONS]" + echo + echo "MTU options" + echo " -o originator" + echo " -l link" + echo " -r responder" + exit 1 +} + while getopts "o:l:r:" o do case $o in o) omtu=$OPTARG;; l) lmtu=$OPTARG;; r) rmtu=$OPTARG;; + *) usage;; esac done -ip -net nsr1 link set veth0 mtu $omtu +if ! ip -net nsr1 link set veth0 mtu $omtu; then + exit 1 +fi + ip -net ns1 link set eth0 mtu $omtu -ip -net nsr2 link set veth1 mtu $rmtu +if ! ip -net nsr2 link set veth1 mtu $rmtu; then + exit 1 +fi + ip -net ns2 link set eth0 mtu $rmtu # transfer-net between nsr1 and nsr2. @@ -120,7 +136,10 @@ for i in 1 2; do ip -net ns$i route add default via 10.0.$i.1 ip -net ns$i addr add dead:$i::99/64 dev eth0 ip -net ns$i route add default via dead:$i::1 - ip netns exec ns$i sysctl net.ipv4.tcp_no_metrics_save=1 > /dev/null + if ! ip netns exec ns$i sysctl net.ipv4.tcp_no_metrics_save=1 > /dev/null; then + echo "ERROR: Check Originator/Responder values (problem during address addition)" + exit 1 + fi # don't set ip DF bit for first two tests ip netns exec ns$i sysctl net.ipv4.ip_no_pmtu_disc=1 > /dev/null @@ -178,15 +197,13 @@ if [ $? -ne 0 ]; then fi # test basic connectivity -ip netns exec ns1 ping -c 1 -q 10.0.2.99 > /dev/null -if [ $? -ne 0 ];then +if ! ip netns exec ns1 ping -c 1 -q 10.0.2.99 > /dev/null; then echo "ERROR: ns1 cannot reach ns2" 1>&2 bash exit 1 fi -ip netns exec ns2 ping -c 1 -q 10.0.1.99 > /dev/null -if [ $? -ne 0 ];then +if ! ip netns exec ns2 ping -c 1 -q 10.0.1.99 > /dev/null; then echo "ERROR: ns2 cannot reach ns1" 1>&2 exit 1 fi @@ -203,7 +220,6 @@ ns2out=$(mktemp) make_file() { name=$1 - who=$2 SIZE=$((RANDOM % (1024 * 8))) TSIZE=$((SIZE * 1024)) @@ -222,8 +238,7 @@ check_transfer() out=$2 what=$3 - cmp "$in" "$out" > /dev/null 2>&1 - if [ $? -ne 0 ] ;then + if ! cmp "$in" "$out" > /dev/null 2>&1; then echo "FAIL: file mismatch for $what" 1>&2 ls -l "$in" ls -l "$out" @@ -260,13 +275,11 @@ test_tcp_forwarding_ip() wait - check_transfer "$ns1in" "$ns2out" "ns1 -> ns2" - if [ $? -ne 0 ];then + if ! check_transfer "$ns1in" "$ns2out" "ns1 -> ns2"; then lret=1 fi - check_transfer "$ns2in" "$ns1out" "ns1 <- ns2" - if [ $? -ne 0 ];then + if ! check_transfer "$ns2in" "$ns1out" "ns1 <- ns2"; then lret=1 fi @@ -295,13 +308,12 @@ test_tcp_forwarding_nat() return $lret } -make_file "$ns1in" "ns1" -make_file "$ns2in" "ns2" +make_file "$ns1in" +make_file "$ns2in" # First test: # No PMTU discovery, nsr1 is expected to fragment packets from ns1 to ns2 as needed. -test_tcp_forwarding ns1 ns2 -if [ $? -eq 0 ] ;then +if test_tcp_forwarding ns1 ns2; then echo "PASS: flow offloaded for ns1/ns2" else echo "FAIL: flow offload for ns1/ns2:" 1>&2 @@ -332,9 +344,7 @@ table ip nat { } EOF -test_tcp_forwarding_nat ns1 ns2 - -if [ $? -eq 0 ] ;then +if test_tcp_forwarding_nat ns1 ns2; then echo "PASS: flow offloaded for ns1/ns2 with NAT" else echo "FAIL: flow offload for ns1/ns2 with NAT" 1>&2 @@ -346,8 +356,7 @@ fi # Same as second test, but with PMTU discovery enabled. handle=$(ip netns exec nsr1 nft -a list table inet filter | grep something-to-grep-for | cut -d \# -f 2) -ip netns exec nsr1 nft delete rule inet filter forward $handle -if [ $? -ne 0 ] ;then +if ! ip netns exec nsr1 nft delete rule inet filter forward $handle; then echo "FAIL: Could not delete large-packet accept rule" exit 1 fi @@ -355,8 +364,7 @@ fi ip netns exec ns1 sysctl net.ipv4.ip_no_pmtu_disc=0 > /dev/null ip netns exec ns2 sysctl net.ipv4.ip_no_pmtu_disc=0 > /dev/null -test_tcp_forwarding_nat ns1 ns2 -if [ $? -eq 0 ] ;then +if test_tcp_forwarding_nat ns1 ns2; then echo "PASS: flow offloaded for ns1/ns2 with NAT and pmtu discovery" else echo "FAIL: flow offload for ns1/ns2 with NAT and pmtu discovery" 1>&2 @@ -402,8 +410,7 @@ ip -net ns2 route del 192.168.10.1 via 10.0.2.1 ip -net ns2 route add default via 10.0.2.1 ip -net ns2 route add default via dead:2::1 -test_tcp_forwarding ns1 ns2 -if [ $? -eq 0 ] ;then +if test_tcp_forwarding ns1 ns2; then echo "PASS: ipsec tunnel mode for ns1/ns2" else echo "FAIL: ipsec tunnel mode for ns1/ns2" diff --git a/tools/testing/selftests/powerpc/mm/.gitignore b/tools/testing/selftests/powerpc/mm/.gitignore index 91c775c23c6608..aac4a59f9e2813 100644 --- a/tools/testing/selftests/powerpc/mm/.gitignore +++ b/tools/testing/selftests/powerpc/mm/.gitignore @@ -2,6 +2,7 @@ hugetlb_vs_thp_test subpage_prot tempfile +prot_sao segv_errors wild_bctr large_vm_fork_separation diff --git a/tools/testing/selftests/powerpc/mm/Makefile b/tools/testing/selftests/powerpc/mm/Makefile index 250ce172e0dacc..defe488d6bf111 100644 --- a/tools/testing/selftests/powerpc/mm/Makefile +++ b/tools/testing/selftests/powerpc/mm/Makefile @@ -2,7 +2,7 @@ noarg: $(MAKE) -C ../ -TEST_GEN_PROGS := hugetlb_vs_thp_test subpage_prot segv_errors wild_bctr \ +TEST_GEN_PROGS := hugetlb_vs_thp_test subpage_prot prot_sao segv_errors wild_bctr \ large_vm_fork_separation bad_accesses pkey_exec_prot \ pkey_siginfo stack_expansion_signal stack_expansion_ldst @@ -14,6 +14,8 @@ include ../../lib.mk $(TEST_GEN_PROGS): ../harness.c ../utils.c +$(OUTPUT)/prot_sao: ../utils.c + $(OUTPUT)/wild_bctr: CFLAGS += -m64 $(OUTPUT)/large_vm_fork_separation: CFLAGS += -m64 $(OUTPUT)/bad_accesses: CFLAGS += -m64 diff --git a/tools/testing/selftests/powerpc/mm/prot_sao.c b/tools/testing/selftests/powerpc/mm/prot_sao.c new file mode 100644 index 00000000000000..30b71b1d78d577 --- /dev/null +++ b/tools/testing/selftests/powerpc/mm/prot_sao.c @@ -0,0 +1,48 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright 2016, Michael Ellerman, IBM Corp. + */ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sys/mman.h> +#include <unistd.h> + +#include <asm/cputable.h> + +#include "utils.h" + +#define SIZE (64 * 1024) + +int test_prot_sao(void) +{ + char *p; + + /* + * SAO was introduced in 2.06 and removed in 3.1. It's disabled in + * guests/LPARs by default, so also skip if we are running in a guest. + */ + SKIP_IF(!have_hwcap(PPC_FEATURE_ARCH_2_06) || + have_hwcap2(PPC_FEATURE2_ARCH_3_1) || + access("/proc/device-tree/rtas/ibm,hypertas-functions", F_OK) == 0); + + /* + * Ensure we can ask for PROT_SAO. + * We can't really verify that it does the right thing, but at least we + * confirm the kernel will accept it. + */ + p = mmap(NULL, SIZE, PROT_READ | PROT_WRITE | PROT_SAO, + MAP_ANONYMOUS | MAP_PRIVATE, -1, 0); + FAIL_IF(p == MAP_FAILED); + + /* Write to the mapping, to at least cause a fault */ + memset(p, 0xaa, SIZE); + + return 0; +} + +int main(void) +{ + return test_harness(test_prot_sao, "prot-sao"); +} diff --git a/tools/testing/selftests/timers/Makefile b/tools/testing/selftests/timers/Makefile index 7656c7ce79d905..0e73a16874c4c5 100644 --- a/tools/testing/selftests/timers/Makefile +++ b/tools/testing/selftests/timers/Makefile @@ -13,6 +13,7 @@ DESTRUCTIVE_TESTS = alarmtimer-suspend valid-adjtimex adjtick change_skew \ TEST_GEN_PROGS_EXTENDED = $(DESTRUCTIVE_TESTS) +TEST_FILES := settings include ../lib.mk diff --git a/tools/testing/selftests/timers/settings b/tools/testing/selftests/timers/settings new file mode 100644 index 00000000000000..e7b9417537fbc4 --- /dev/null +++ b/tools/testing/selftests/timers/settings @@ -0,0 +1 @@ +timeout=0 diff --git a/tools/testing/selftests/vm/map_hugetlb.c b/tools/testing/selftests/vm/map_hugetlb.c index 6af951900aa39f..312889edb84ab7 100644 --- a/tools/testing/selftests/vm/map_hugetlb.c +++ b/tools/testing/selftests/vm/map_hugetlb.c @@ -83,7 +83,7 @@ int main(int argc, char **argv) } if (shift) - printf("%u kB hugepages\n", 1 << shift); + printf("%u kB hugepages\n", 1 << (shift - 10)); else printf("Default size hugepages\n"); printf("Mapping %lu Mbytes\n", (unsigned long)length >> 20); diff --git a/tools/testing/selftests/x86/test_vsyscall.c b/tools/testing/selftests/x86/test_vsyscall.c index c41f24b517f401..65c141ebfbbde8 100644 --- a/tools/testing/selftests/x86/test_vsyscall.c +++ b/tools/testing/selftests/x86/test_vsyscall.c @@ -462,6 +462,17 @@ static int test_vsys_x(void) return 0; } +/* + * Debuggers expect ptrace() to be able to peek at the vsyscall page. + * Use process_vm_readv() as a proxy for ptrace() to test this. We + * want it to work in the vsyscall=emulate case and to fail in the + * vsyscall=xonly case. + * + * It's worth noting that this ABI is a bit nutty. write(2) can't + * read from the vsyscall page on any kernel version or mode. The + * fact that ptrace() ever worked was a nice courtesy of old kernels, + * but the code to support it is fairly gross. + */ static int test_process_vm_readv(void) { #ifdef __x86_64__ @@ -477,8 +488,12 @@ static int test_process_vm_readv(void) remote.iov_len = 4096; ret = process_vm_readv(getpid(), &local, 1, &remote, 1, 0); if (ret != 4096) { - printf("[OK]\tprocess_vm_readv() failed (ret = %d, errno = %d)\n", ret, errno); - return 0; + /* + * We expect process_vm_readv() to work if and only if the + * vsyscall page is readable. + */ + printf("[%s]\tprocess_vm_readv() failed (ret = %d, errno = %d)\n", vsyscall_map_r ? "FAIL" : "OK", ret, errno); + return vsyscall_map_r ? 1 : 0; } if (vsyscall_map_r) { @@ -488,6 +503,9 @@ static int test_process_vm_readv(void) printf("[FAIL]\tIt worked but returned incorrect data\n"); return 1; } + } else { + printf("[FAIL]\tprocess_rm_readv() succeeded, but it should have failed in this configuration\n"); + return 1; } #endif diff --git a/tools/usb/Build b/tools/usb/Build new file mode 100644 index 00000000000000..2ad6f974581683 --- /dev/null +++ b/tools/usb/Build @@ -0,0 +1,2 @@ +testusb-y += testusb.o +ffs-test-y += ffs-test.o diff --git a/tools/usb/Makefile b/tools/usb/Makefile index 01d758d73b6db1..1b128e551b2e42 100644 --- a/tools/usb/Makefile +++ b/tools/usb/Makefile @@ -1,14 +1,51 @@ # SPDX-License-Identifier: GPL-2.0 # Makefile for USB tools +include ../scripts/Makefile.include -PTHREAD_LIBS = -lpthread -WARNINGS = -Wall -Wextra -CFLAGS = $(WARNINGS) -g -I../include -LDFLAGS = $(PTHREAD_LIBS) +bindir ?= /usr/bin -all: testusb ffs-test -%: %.c - $(CC) $(CFLAGS) -o $@ $^ $(LDFLAGS) +ifeq ($(srctree),) +srctree := $(patsubst %/,%,$(dir $(CURDIR))) +srctree := $(patsubst %/,%,$(dir $(srctree))) +endif + +# Do not use make's built-in rules +# (this improves performance and avoids hard-to-debug behaviour); +MAKEFLAGS += -r + +override CFLAGS += -O2 -Wall -Wextra -g -D_GNU_SOURCE -I$(OUTPUT)include -I$(srctree)/tools/include +override LDFLAGS += -lpthread + +ALL_TARGETS := testusb ffs-test +ALL_PROGRAMS := $(patsubst %,$(OUTPUT)%,$(ALL_TARGETS)) + +all: $(ALL_PROGRAMS) + +export srctree OUTPUT CC LD CFLAGS +include $(srctree)/tools/build/Makefile.include + +TESTUSB_IN := $(OUTPUT)testusb-in.o +$(TESTUSB_IN): FORCE + $(Q)$(MAKE) $(build)=testusb +$(OUTPUT)testusb: $(TESTUSB_IN) + $(QUIET_LINK)$(CC) $(CFLAGS) $< -o $@ $(LDFLAGS) + +FFS_TEST_IN := $(OUTPUT)ffs-test-in.o +$(FFS_TEST_IN): FORCE + $(Q)$(MAKE) $(build)=ffs-test +$(OUTPUT)ffs-test: $(FFS_TEST_IN) + $(QUIET_LINK)$(CC) $(CFLAGS) $< -o $@ $(LDFLAGS) clean: - $(RM) testusb ffs-test + rm -f $(ALL_PROGRAMS) + find $(if $(OUTPUT),$(OUTPUT),.) -name '*.o' -delete -o -name '\.*.d' -delete -o -name '\.*.o.cmd' -delete + +install: $(ALL_PROGRAMS) + install -d -m 755 $(DESTDIR)$(bindir); \ + for program in $(ALL_PROGRAMS); do \ + install $$program $(DESTDIR)$(bindir); \ + done + +FORCE: + +.PHONY: all install clean FORCE prepare diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index 67cd0b88a6b6ff..cf88233b819a08 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -4332,7 +4332,7 @@ int kvm_io_bus_register_dev(struct kvm *kvm, enum kvm_bus bus_idx, gpa_t addr, void kvm_io_bus_unregister_dev(struct kvm *kvm, enum kvm_bus bus_idx, struct kvm_io_device *dev) { - int i; + int i, j; struct kvm_io_bus *new_bus, *bus; bus = kvm_get_bus(kvm, bus_idx); @@ -4349,17 +4349,20 @@ void kvm_io_bus_unregister_dev(struct kvm *kvm, enum kvm_bus bus_idx, new_bus = kmalloc(struct_size(bus, range, bus->dev_count - 1), GFP_KERNEL_ACCOUNT); - if (!new_bus) { + if (new_bus) { + memcpy(new_bus, bus, sizeof(*bus) + i * sizeof(struct kvm_io_range)); + new_bus->dev_count--; + memcpy(new_bus->range + i, bus->range + i + 1, + (new_bus->dev_count - i) * sizeof(struct kvm_io_range)); + } else { pr_err("kvm: failed to shrink bus, removing it completely\n"); - goto broken; + for (j = 0; j < bus->dev_count; j++) { + if (j == i) + continue; + kvm_iodevice_destructor(bus->range[j].dev); + } } - memcpy(new_bus, bus, sizeof(*bus) + i * sizeof(struct kvm_io_range)); - new_bus->dev_count--; - memcpy(new_bus->range + i, bus->range + i + 1, - (new_bus->dev_count - i) * sizeof(struct kvm_io_range)); - -broken: rcu_assign_pointer(kvm->buses[bus_idx], new_bus); synchronize_srcu_expedited(&kvm->srcu); kfree(bus); |