diff options
576 files changed, 9337 insertions, 6770 deletions
diff --git a/Documentation/DocBook/genericirq.tmpl b/Documentation/DocBook/genericirq.tmpl index 0f4a4b6321e48..4215f69ce7e63 100644 --- a/Documentation/DocBook/genericirq.tmpl +++ b/Documentation/DocBook/genericirq.tmpl @@ -303,10 +303,10 @@ desc->status |= running; do { if (desc->status & masked) desc->chip->enable(); - desc-status &= ~pending; + desc->status &= ~pending; handle_IRQ_event(desc->action); } while (status & pending); -desc-status &= ~running; +desc->status &= ~running; desc->chip->end(); </programlisting> </para> diff --git a/Documentation/cachetlb.txt b/Documentation/cachetlb.txt index 53245c429f7d9..73e794f0ff092 100644 --- a/Documentation/cachetlb.txt +++ b/Documentation/cachetlb.txt @@ -179,10 +179,21 @@ Here are the routines, one by one: lines associated with 'mm'. This interface is used to handle whole address space - page table operations such as what happens during - fork, exit, and exec. + page table operations such as what happens during exit and exec. + +2) void flush_cache_dup_mm(struct mm_struct *mm) + + This interface flushes an entire user address space from + the caches. That is, after running, there will be no cache + lines associated with 'mm'. + + This interface is used to handle whole address space + page table operations such as what happens during fork. + + This option is separate from flush_cache_mm to allow some + optimizations for VIPT caches. -2) void flush_cache_range(struct vm_area_struct *vma, +3) void flush_cache_range(struct vm_area_struct *vma, unsigned long start, unsigned long end) Here we are flushing a specific range of (user) virtual @@ -199,7 +210,7 @@ Here are the routines, one by one: call flush_cache_page (see below) for each entry which may be modified. -3) void flush_cache_page(struct vm_area_struct *vma, unsigned long addr, unsigned long pfn) +4) void flush_cache_page(struct vm_area_struct *vma, unsigned long addr, unsigned long pfn) This time we need to remove a PAGE_SIZE sized range from the cache. The 'vma' is the backing structure used by @@ -220,7 +231,7 @@ Here are the routines, one by one: This is used primarily during fault processing. -4) void flush_cache_kmaps(void) +5) void flush_cache_kmaps(void) This routine need only be implemented if the platform utilizes highmem. It will be called right before all of the kmaps @@ -232,7 +243,7 @@ Here are the routines, one by one: This routing should be implemented in asm/highmem.h -5) void flush_cache_vmap(unsigned long start, unsigned long end) +6) void flush_cache_vmap(unsigned long start, unsigned long end) void flush_cache_vunmap(unsigned long start, unsigned long end) Here in these two interfaces we are flushing a specific range diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt index 64ce44da59366..30f3c8c9c12ae 100644 --- a/Documentation/feature-removal-schedule.txt +++ b/Documentation/feature-removal-schedule.txt @@ -151,15 +151,6 @@ Who: Thomas Gleixner <tglx@linutronix.de> --------------------------- -What: I2C interface of the it87 driver -When: January 2007 -Why: The ISA interface is faster and should be always available. The I2C - probing is also known to cause trouble in at least one case (see - bug #5889.) -Who: Jean Delvare <khali@linux-fr.org> - ---------------------------- - What: Unused EXPORT_SYMBOL/EXPORT_SYMBOL_GPL exports (temporary transition config option provided until then) The transition config option will also be removed at the same time. @@ -216,22 +207,6 @@ Who: Thomas Gleixner <tglx@linutronix.de> --------------------------- -What: Bridge netfilter deferred IPv4/IPv6 output hook calling -When: January 2007 -Why: The deferred output hooks are a layering violation causing unusual - and broken behaviour on bridge devices. Examples of things they - break include QoS classifation using the MARK or CLASSIFY targets, - the IPsec policy match and connection tracking with VLANs on a - bridge. Their only use is to enable bridge output port filtering - within iptables with the physdev match, which can also be done by - combining iptables and ebtables using netfilter marks. Until it - will get removed the hook deferral is disabled by default and is - only enabled when needed. - -Who: Patrick McHardy <kaber@trash.net> - ---------------------------- - What: PHYSDEVPATH, PHYSDEVBUS, PHYSDEVDRIVER in the uevent environment When: October 2008 Why: The stacking of class devices makes these values misleading and diff --git a/Documentation/filesystems/bfs.txt b/Documentation/filesystems/bfs.txt index d2841e0bcf025..ea825e178e797 100644 --- a/Documentation/filesystems/bfs.txt +++ b/Documentation/filesystems/bfs.txt @@ -54,4 +54,4 @@ The first 4 bytes should be 0x1badface. If you have any patches, questions or suggestions regarding this BFS implementation please contact the author: -Tigran A. Aivazian <tigran@veritas.com> +Tigran Aivazian <tigran@aivazian.fsnet.co.uk> diff --git a/Documentation/hwmon/f71805f b/Documentation/hwmon/f71805f index 2ca69df669c3a..bfd0f154959cc 100644 --- a/Documentation/hwmon/f71805f +++ b/Documentation/hwmon/f71805f @@ -6,6 +6,10 @@ Supported chips: Prefix: 'f71805f' Addresses scanned: none, address read from Super I/O config space Datasheet: Provided by Fintek on request + * Fintek F71872F/FG + Prefix: 'f71872f' + Addresses scanned: none, address read from Super I/O config space + Datasheet: Provided by Fintek on request Author: Jean Delvare <khali@linux-fr.org> @@ -13,8 +17,8 @@ Thanks to Denis Kieft from Barracuda Networks for the donation of a test system (custom Jetway K8M8MS motherboard, with CPU and RAM) and for providing initial documentation. -Thanks to Kris Chen from Fintek for answering technical questions and -providing additional documentation. +Thanks to Kris Chen and Aaron Huang from Fintek for answering technical +questions and providing additional documentation. Thanks to Chris Lin from Jetway for providing wiring schematics and answering technical questions. @@ -28,8 +32,11 @@ capabilities. It can monitor up to 9 voltages (counting its own power source), 3 fans and 3 temperature sensors. This chip also has fan controlling features, using either DC or PWM, in -three different modes (one manual, two automatic). The driver doesn't -support these features yet. +three different modes (one manual, two automatic). + +The Fintek F71872F/FG Super I/O chip is almost the same, with two +additional internal voltages monitored (VSB and battery). It also features +6 VID inputs. The VID inputs are not yet supported by this driver. The driver assumes that no more than one chip is present, which seems reasonable. @@ -42,7 +49,8 @@ Voltages are sampled by an 8-bit ADC with a LSB of 8 mV. The supported range is thus from 0 to 2.040 V. Voltage values outside of this range need external resistors. An exception is in0, which is used to monitor the chip's own power source (+3.3V), and is divided internally by a -factor 2. +factor 2. For the F71872F/FG, in9 (VSB) and in10 (battery) are also +divided internally by a factor 2. The two LSB of the voltage limit registers are not used (always 0), so you can only set the limits in steps of 32 mV (before scaling). @@ -61,9 +69,12 @@ in5 VIN5 +12V 200K 20K 11.00 1.05 V in6 VIN6 VCC1.5V 10K - 1.00 1.50 V in7 VIN7 VCORE 10K - 1.00 ~1.40 V (1) in8 VIN8 VSB5V 200K 47K 1.00 0.95 V +in10 VSB VSB3.3V int. int. 2.00 1.65 V (3) +in9 VBAT VBATTERY int. int. 2.00 1.50 V (3) (1) Depends on your hardware setup. (2) Obviously not correct, swapping R1 and R2 would make more sense. +(3) F71872F/FG only. These values can be used as hints at best, as motherboard manufacturers are free to use a completely different setup. As a matter of fact, the @@ -103,3 +114,38 @@ sensor. Each channel can be used for connecting either a thermal diode or a thermistor. The driver reports the currently selected mode, but doesn't allow changing it. In theory, the BIOS should have configured everything properly. + + +Fan Control +----------- + +Both PWM (pulse-width modulation) and DC fan speed control methods are +supported. The right one to use depends on external circuitry on the +motherboard, so the driver assumes that the BIOS set the method +properly. The driver will report the method, but won't let you change +it. + +When the PWM method is used, you can select the operating frequency, +from 187.5 kHz (default) to 31 Hz. The best frequency depends on the +fan model. As a rule of thumb, lower frequencies seem to give better +control, but may generate annoying high-pitch noise. Fintek recommends +not going below 1 kHz, as the fan tachometers get confused by lower +frequencies as well. + +When the DC method is used, Fintek recommends not going below 5 V, which +corresponds to a pwm value of 106 for the driver. The driver doesn't +enforce this limit though. + +Three different fan control modes are supported: + +* Manual mode + You ask for a specific PWM duty cycle or DC voltage. + +* Fan speed mode + You ask for a specific fan speed. This mode assumes that pwm1 + corresponds to fan1, pwm2 to fan2 and pwm3 to fan3. + +* Temperature mode + You define 3 temperature/fan speed trip points, and the fan speed is + adjusted depending on the measured temperature, using interpolation. + This mode is not yet supported by the driver. diff --git a/Documentation/hwmon/it87 b/Documentation/hwmon/it87 index e783fd62e3085..74a80992d237c 100644 --- a/Documentation/hwmon/it87 +++ b/Documentation/hwmon/it87 @@ -9,8 +9,7 @@ Supported chips: http://www.ite.com.tw/ * IT8712F Prefix: 'it8712' - Addresses scanned: I2C 0x2d - from Super I/O config space (8 I/O ports) + Addresses scanned: from Super I/O config space (8 I/O ports) Datasheet: Publicly available at the ITE website http://www.ite.com.tw/ * IT8716F @@ -53,6 +52,18 @@ Module Parameters misconfigured by BIOS - PWM values would be inverted. This option tries to fix this. Please contact your BIOS manufacturer and ask him for fix. + +Hardware Interfaces +------------------- + +All the chips suported by this driver are LPC Super-I/O chips, accessed +through the LPC bus (ISA-like I/O ports). The IT8712F additionally has an +SMBus interface to the hardware monitoring functions. This driver no +longer supports this interface though, as it is slower and less reliable +than the ISA access, and was only available on a small number of +motherboard models. + + Description ----------- diff --git a/Documentation/hwmon/k8temp b/Documentation/hwmon/k8temp index 30d123b8d9202..0005c71661467 100644 --- a/Documentation/hwmon/k8temp +++ b/Documentation/hwmon/k8temp @@ -8,7 +8,7 @@ Supported chips: Datasheet: http://www.amd.com/us-en/assets/content_type/white_papers_and_tech_docs/32559.pdf Author: Rudolf Marek -Contact: Rudolf Marek <r.marek@sh.cvut.cz> +Contact: Rudolf Marek <r.marek@assembler.cz> Description ----------- diff --git a/Documentation/hwmon/pc87427 b/Documentation/hwmon/pc87427 new file mode 100644 index 0000000000000..9a0708f9f49ea --- /dev/null +++ b/Documentation/hwmon/pc87427 @@ -0,0 +1,38 @@ +Kernel driver pc87427 +===================== + +Supported chips: + * National Semiconductor PC87427 + Prefix: 'pc87427' + Addresses scanned: none, address read from Super I/O config space + Datasheet: http://www.winbond.com.tw/E-WINBONDHTM/partner/apc_007.html + +Author: Jean Delvare <khali@linux-fr.org> + +Thanks to Amir Habibi at Candelis for setting up a test system, and to +Michael Kress for testing several iterations of this driver. + + +Description +----------- + +The National Semiconductor Super I/O chip includes complete hardware +monitoring capabilities. It can monitor up to 18 voltages, 8 fans and +6 temperature sensors. Only the fans are supported at the moment. + +This chip also has fan controlling features, which are not yet supported +by this driver either. + +The driver assumes that no more than one chip is present, which seems +reasonable. + + +Fan Monitoring +-------------- + +Fan rotation speeds are reported as 14-bit values from a gated clock +signal. Speeds down to 83 RPM can be measured. + +An alarm is triggered if the rotation speed drops below a programmable +limit. Another alarm is triggered if the speed is too low to to be measured +(including stalled or missing fan). diff --git a/Documentation/hwmon/sysfs-interface b/Documentation/hwmon/sysfs-interface index d1d390aaf6205..efef3b962cd3e 100644 --- a/Documentation/hwmon/sysfs-interface +++ b/Documentation/hwmon/sysfs-interface @@ -208,12 +208,14 @@ temp[1-*]_auto_point[1-*]_temp_hyst **************** temp[1-*]_type Sensor type selection. - Integers 1 to 4 or thermistor Beta value (typically 3435) + Integers 1 to 6 or thermistor Beta value (typically 3435) RW 1: PII/Celeron Diode 2: 3904 transistor 3: thermal diode 4: thermistor (default/unknown Beta) + 5: AMD AMDSI + 6: Intel PECI Not all types are supported by all chips temp[1-*]_max Temperature max value. diff --git a/Documentation/hwmon/w83627ehf b/Documentation/hwmon/w83627ehf index caa610a297e8a..8a15a7408753b 100644 --- a/Documentation/hwmon/w83627ehf +++ b/Documentation/hwmon/w83627ehf @@ -10,7 +10,7 @@ Supported chips: Authors: Jean Delvare <khali@linux-fr.org> Yuan Mu (Winbond) - Rudolf Marek <r.marek@sh.cvut.cz> + Rudolf Marek <r.marek@assembler.cz> Description ----------- diff --git a/Documentation/hwmon/w83791d b/Documentation/hwmon/w83791d index 19b2ed739fa13..db9881df88a54 100644 --- a/Documentation/hwmon/w83791d +++ b/Documentation/hwmon/w83791d @@ -18,7 +18,7 @@ Credits: and Mark Studebaker <mdsxyz123@yahoo.com> w83792d.c: Chunhao Huang <DZShen@Winbond.com.tw>, - Rudolf Marek <r.marek@sh.cvut.cz> + Rudolf Marek <r.marek@assembler.cz> Additional contributors: Sven Anders <anders@anduras.de> diff --git a/Documentation/hwmon/w83793 b/Documentation/hwmon/w83793 new file mode 100644 index 0000000000000..45e5408340e06 --- /dev/null +++ b/Documentation/hwmon/w83793 @@ -0,0 +1,110 @@ +Kernel driver w83793 +==================== + +Supported chips: + * Winbond W83793G/W83793R + Prefix: 'w83793' + Addresses scanned: I2C 0x2c - 0x2f + Datasheet: Still not published + +Authors: + Yuan Mu (Winbond Electronics) + Rudolf Marek <r.marek@assembler.cz> + + +Module parameters +----------------- + +* reset int + (default 0) + This parameter is not recommended, it will lose motherboard specific + settings. Use 'reset=1' to reset the chip when loading this module. + +* force_subclients=bus,caddr,saddr1,saddr2 + This is used to force the i2c addresses for subclients of + a certain chip. Typical usage is `force_subclients=0,0x2f,0x4a,0x4b' + to force the subclients of chip 0x2f on bus 0 to i2c addresses + 0x4a and 0x4b. + + +Description +----------- + +This driver implements support for Winbond W83793G/W83793R chips. + +* Exported features + This driver exports 10 voltage sensors, up to 12 fan tachometer inputs, + 6 remote temperatures, up to 8 sets of PWM fan controls, SmartFan + (automatic fan speed control) on all temperature/PWM combinations, 2 + sets of 6-pin CPU VID input. + +* Sensor resolutions + If your motherboard maker used the reference design, the resolution of + voltage0-2 is 2mV, resolution of voltage3/4/5 is 16mV, 8mV for voltage6, + 24mV for voltage7/8. Temp1-4 have a 0.25 degree Celsius resolution, + temp5-6 have a 1 degree Celsiis resolution. + +* Temperature sensor types + Temp1-4 have 3 possible types. It can be read from (and written to) + temp[1-4]_type. + - If the value of 0, the related temperature channel stops + monitoring. + - If the value is 3, it starts monitoring using a remote termal diode + (default). + - If the value is 5, it starts monitoring using the temperature sensor + in AMD CPU and get result by AMDSI. + - If the value is 6, it starts monitoring using the temperature sensor + in Intel CPU and get result by PECI. + Temp5-6 can be connected to external thermistors (value of + temp[5-6]_type is 4). They can also be disabled (value is 0). + +* Alarm mechanism + For voltage sensors, an alarm triggers if the measured value is below + the low voltage limit or over the high voltage limit. + For temperature sensors, an alarm triggers if the measured value goes + above the high temperature limit, and wears off only after the measured + value drops below the hysteresis value. + For fan sensors, an alarm triggers if the measured value is below the + low speed limit. + +* SmartFan/PWM control + If you want to set a pwm fan to manual mode, you just need to make sure it + is not controlled by any temp channel, for example, you want to set fan1 + to manual mode, you need to check the value of temp[1-6]_fan_map, make + sure bit 0 is cleared in the 6 values. And then set the pwm1 value to + control the fan. + + Each temperature channel can control all the 8 PWM outputs (by setting the + corresponding bit in tempX_fan_map), you can set the temperature channel + mode using temp[1-6]_pwm_enable, 2 is Thermal Cruise mode and 3 + is the SmartFanII mode. Temperature channels will try to speed up or + slow down all controlled fans, this means one fan can receive different + PWM value requests from different temperature channels, but the chip + will always pick the safest (max) PWM value for each fan. + + In Thermal Cruise mode, the chip attempts to keep the temperature at a + predefined value, within a tolerance margin. So if tempX_input > + thermal_cruiseX + toleranceX, the chip will increase the PWM value, + if tempX_input < thermal_cruiseX - toleranceX, the chip will decrease + the PWM value. If the temperature is within the tolerance range, the PWM + value is left unchanged. + + SmartFanII works differently, you have to define up to 7 PWM, temperature + trip points, defining a PWM/temperature curve which the chip will follow. + While not fundamentally different from the Thermal Cruise mode, the + implementation is quite different, giving you a finer-grained control. + +* Chassis + If the case open alarm triggers, it will stay in this state unless cleared + by any write to the sysfs file "chassis". + +* VID and VRM + The VRM version is detected automatically, don't modify the it unless you + *do* know the cpu VRM version and it's not properly detected. + + +Notes +----- + + Only Fan1-5 and PWM1-3 are guaranteed to always exist, other fan inputs and + PWM outputs may or may not exist depending on the chip pin configuration. diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index d8323b8893c37..ef69c75780bf4 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -1656,6 +1656,12 @@ and is between 256 and 4096 characters. It is defined in the file sym53c416= [HW,SCSI] See header of drivers/scsi/sym53c416.c. + sysrq_always_enabled + [KNL] + Ignore sysrq setting - this boot parameter will + neutralize any effect of /proc/sys/kernel/sysrq. + Useful for debugging. + t128= [HW,SCSI] See header of drivers/scsi/t128.c. diff --git a/MAINTAINERS b/MAINTAINERS index 8a0bfeca55c9d..dea5b2a6de0a8 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -277,7 +277,7 @@ S: Maintained ALI1563 I2C DRIVER P: Rudolf Marek -M: r.marek@sh.cvut.cz +M: r.marek@assembler.cz L: i2c@lm-sensors.org S: Maintained @@ -296,6 +296,13 @@ L: info-linux@geode.amd.com W: http://www.amd.com/us-en/ConnectivitySolutions/TechnicalResources/0,,50_2334_2452_11363,00.html S: Supported +AMS (Apple Motion Sensor) DRIVER +P: Stelian Pop +M: stelian@popies.net +P: Michael Hanselmann +M: linux-kernel@hansmi.ch +S: Supported + AMSO1100 RNIC DRIVER P: Tom Tucker M: tom@opengridcomputing.com @@ -1747,6 +1754,13 @@ W: http://nfs.sourceforge.net/ W: http://www.cse.unsw.edu.au/~neilb/patches/linux-devel/ S: Maintained +KERNEL VIRTUAL MACHINE (KVM) +P: Avi Kivity +M: avi@qumranet.com +L: kvm-devel@lists.sourceforge.net +W: kvm.sourceforge.net +S: Supported + KEXEC P: Eric Biederman M: ebiederm@xmission.com @@ -3429,6 +3443,12 @@ M: bezaur@gmail.com L: lm-sensors@lm-sensors.org S: Maintained +W83793 HARDWARE MONITORING DRIVER +P: Rudolf Marek +M: r.marek@assembler.cz +L: lm-sensors@lm-sensors.org +S: Maintained + W83L51xD SD/MMC CARD INTERFACE DRIVER P: Pierre Ossman M: drzeus-wbsd@drzeus.cx diff --git a/Makefile b/Makefile index 4eabaa8afbfff..4a47203879369 100644 --- a/Makefile +++ b/Makefile @@ -1,7 +1,7 @@ VERSION = 2 PATCHLEVEL = 6 -SUBLEVEL = 19 -EXTRAVERSION = +SUBLEVEL = 20 +EXTRAVERSION =-rc1 NAME=Avast! A bilge rat! # *DOCUMENTATION* @@ -496,11 +496,6 @@ else CFLAGS += -fomit-frame-pointer endif -ifdef CONFIG_UNWIND_INFO -CFLAGS += -fasynchronous-unwind-tables -LDFLAGS_vmlinux += --eh-frame-hdr -endif - ifdef CONFIG_DEBUG_INFO CFLAGS += -g endif @@ -1390,12 +1385,18 @@ endif #ifeq ($(mixed-targets),1) PHONY += checkstack kernelrelease kernelversion -# Use $(SUBARCH) here instead of $(ARCH) so that this works for UML. -# In the UML case, $(SUBARCH) is the name of the underlying -# architecture, while for all other arches, it is the same as $(ARCH). +# UML needs a little special treatment here. It wants to use the host +# toolchain, so needs $(SUBARCH) passed to checkstack.pl. Everyone +# else wants $(ARCH), including people doing cross-builds, which means +# that $(SUBARCH) doesn't work here. +ifeq ($(ARCH), um) +CHECKSTACK_ARCH := $(SUBARCH) +else +CHECKSTACK_ARCH := $(ARCH) +endif checkstack: $(OBJDUMP) -d vmlinux $$(find . -name '*.ko') | \ - $(PERL) $(src)/scripts/checkstack.pl $(SUBARCH) + $(PERL) $(src)/scripts/checkstack.pl $(CHECKSTACK_ARCH) kernelrelease: $(if $(wildcard include/config/kernel.release), $(Q)echo $(KERNELRELEASE), \ diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index aa1d400d721a6..6783c2e5512de 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -740,7 +740,7 @@ config XIP_PHYS_ADDR endmenu -if (ARCH_SA1100 || ARCH_INTEGRATOR || ARCH_OMAP) +if (ARCH_SA1100 || ARCH_INTEGRATOR || ARCH_OMAP || ARCH_IMX ) menu "CPU Frequency scaling" @@ -767,6 +767,15 @@ config CPU_FREQ_INTEGRATOR If in doubt, say Y. +config CPU_FREQ_IMX + tristate "CPUfreq driver for i.MX CPUs" + depends on ARCH_IMX && CPU_FREQ + default n + help + This enables the CPUfreq driver for i.MX CPUs. + + If in doubt, say N. + endmenu endif @@ -945,6 +954,8 @@ source "drivers/video/Kconfig" source "sound/Kconfig" +source "drivers/hid/Kconfig" + source "drivers/usb/Kconfig" source "drivers/mmc/Kconfig" diff --git a/arch/arm/kernel/apm.c b/arch/arm/kernel/apm.c index a11fb9a40c04f..2c37b70b17ab4 100644 --- a/arch/arm/kernel/apm.c +++ b/arch/arm/kernel/apm.c @@ -423,7 +423,7 @@ static int apm_open(struct inode * inode, struct file * filp) { struct apm_user *as; - as = (struct apm_user *)kzalloc(sizeof(*as), GFP_KERNEL); + as = kzalloc(sizeof(*as), GFP_KERNEL); if (as) { /* * XXX - this is a tiny bit broken, when we consider BSD diff --git a/arch/arm/kernel/calls.S b/arch/arm/kernel/calls.S index 3173924a9b602..e8f74363328ce 100644 --- a/arch/arm/kernel/calls.S +++ b/arch/arm/kernel/calls.S @@ -331,6 +331,19 @@ CALL(sys_mbind) /* 320 */ CALL(sys_get_mempolicy) CALL(sys_set_mempolicy) + CALL(sys_openat) + CALL(sys_mkdirat) + CALL(sys_mknodat) +/* 325 */ CALL(sys_fchownat) + CALL(sys_futimesat) + CALL(sys_fstatat64) + CALL(sys_unlinkat) + CALL(sys_renameat) +/* 330 */ CALL(sys_linkat) + CALL(sys_symlinkat) + CALL(sys_readlinkat) + CALL(sys_fchmodat) + CALL(sys_faccessat) #ifndef syscalls_counted .equ syscalls_padding, ((NR_syscalls + 3) & ~3) - NR_syscalls #define syscalls_counted diff --git a/arch/arm/kernel/ecard.c b/arch/arm/kernel/ecard.c index a786f769035d1..71257e3d513f4 100644 --- a/arch/arm/kernel/ecard.c +++ b/arch/arm/kernel/ecard.c @@ -353,7 +353,7 @@ int ecard_readchunk(struct in_chunk_dir *cd, ecard_t *ec, int id, int num) } if (c_id(&excd) == 0x80) { /* loader */ if (!ec->loader) { - ec->loader = (loader_t)kmalloc(c_len(&excd), + ec->loader = kmalloc(c_len(&excd), GFP_KERNEL); if (ec->loader) ecard_readbytes(ec->loader, ec, diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S index bda0748ffb004..d994561816a1a 100644 --- a/arch/arm/kernel/head.S +++ b/arch/arm/kernel/head.S @@ -22,30 +22,31 @@ #include <asm/thread_info.h> #include <asm/system.h> -#define KERNEL_RAM_ADDR (PAGE_OFFSET + TEXT_OFFSET) +#define KERNEL_RAM_VADDR (PAGE_OFFSET + TEXT_OFFSET) +#define KERNEL_RAM_PADDR (PHYS_OFFSET + TEXT_OFFSET) /* * swapper_pg_dir is the virtual address of the initial page table. - * We place the page tables 16K below KERNEL_RAM_ADDR. Therefore, we must - * make sure that KERNEL_RAM_ADDR is correctly set. Currently, we expect + * We place the page tables 16K below KERNEL_RAM_VADDR. Therefore, we must + * make sure that KERNEL_RAM_VADDR is correctly set. Currently, we expect * the least significant 16 bits to be 0x8000, but we could probably - * relax this restriction to KERNEL_RAM_ADDR >= PAGE_OFFSET + 0x4000. + * relax this restriction to KERNEL_RAM_VADDR >= PAGE_OFFSET + 0x4000. */ -#if (KERNEL_RAM_ADDR & 0xffff) != 0x8000 -#error KERNEL_RAM_ADDR must start at 0xXXXX8000 +#if (KERNEL_RAM_VADDR & 0xffff) != 0x8000 +#error KERNEL_RAM_VADDR must start at 0xXXXX8000 #endif .globl swapper_pg_dir - .equ swapper_pg_dir, KERNEL_RAM_ADDR - 0x4000 + .equ swapper_pg_dir, KERNEL_RAM_VADDR - 0x4000 .macro pgtbl, rd - ldr \rd, =(__virt_to_phys(KERNEL_RAM_ADDR - 0x4000)) + ldr \rd, =(KERNEL_RAM_PADDR - 0x4000) .endm #ifdef CONFIG_XIP_KERNEL #define TEXTADDR XIP_VIRT_ADDR(CONFIG_XIP_PHYS_ADDR) #else -#define TEXTADDR KERNEL_RAM_ADDR +#define TEXTADDR KERNEL_RAM_VADDR #endif /* diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c index 238dd9b6db847..cf2bd42428035 100644 --- a/arch/arm/kernel/setup.c +++ b/arch/arm/kernel/setup.c @@ -354,9 +354,6 @@ static void __init setup_processor(void) #ifndef CONFIG_ARM_THUMB elf_hwcap &= ~HWCAP_THUMB; #endif -#ifndef CONFIG_VFP - elf_hwcap &= ~HWCAP_VFP; -#endif cpu_proc_init(); } diff --git a/arch/arm/mach-at91rm9200/at91sam9260_devices.c b/arch/arm/mach-at91rm9200/at91sam9260_devices.c index a6c596dc45166..f42d3a40ec3cb 100644 --- a/arch/arm/mach-at91rm9200/at91sam9260_devices.c +++ b/arch/arm/mach-at91rm9200/at91sam9260_devices.c @@ -18,6 +18,7 @@ #include <asm/arch/gpio.h> #include <asm/arch/at91sam9260.h> #include <asm/arch/at91sam926x_mc.h> +#include <asm/arch/at91sam9260_matrix.h> #include "generic.h" diff --git a/arch/arm/mach-at91rm9200/board-sam9260ek.c b/arch/arm/mach-at91rm9200/board-sam9260ek.c index ffca9bdec37b2..da5d58ac870b5 100644 --- a/arch/arm/mach-at91rm9200/board-sam9260ek.c +++ b/arch/arm/mach-at91rm9200/board-sam9260ek.c @@ -119,6 +119,7 @@ static struct spi_board_info ek_spi_devices[] = { * MACB Ethernet device */ static struct __initdata eth_platform_data ek_macb_data = { + .phy_irq_pin = AT91_PIN_PA7, .is_rmii = 1, }; diff --git a/arch/arm/mach-imx/Makefile b/arch/arm/mach-imx/Makefile index 0b27d79f2efda..02272aa36e90c 100644 --- a/arch/arm/mach-imx/Makefile +++ b/arch/arm/mach-imx/Makefile @@ -9,6 +9,8 @@ obj-y += irq.o time.o dma.o generic.o +obj-$(CONFIG_CPU_FREQ_IMX) += cpufreq.o + # Specific board support obj-$(CONFIG_ARCH_MX1ADS) += mx1ads.o diff --git a/arch/arm/mach-imx/cpufreq.c b/arch/arm/mach-imx/cpufreq.c new file mode 100644 index 0000000000000..ac5f99895660f --- /dev/null +++ b/arch/arm/mach-imx/cpufreq.c @@ -0,0 +1,287 @@ +/* + * cpu.c: clock scaling for the iMX + * + * Copyright (C) 2000 2001, The Delft University of Technology + * Copyright (c) 2004 Sascha Hauer <sascha@saschahauer.de> + * Copyright (C) 2006 Inky Lung <ilung@cwlinux.com> + * Copyright (C) 2006 Pavel Pisa, PiKRON <ppisa@pikron.com> + * + * Based on SA1100 version written by: + * - Johan Pouwelse (J.A.Pouwelse@its.tudelft.nl): initial version + * - Erik Mouw (J.A.K.Mouw@its.tudelft.nl): + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +/*#define DEBUG*/ + +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/init.h> +#include <linux/cpufreq.h> +#include <asm/system.h> + +#include <asm/hardware.h> + +#include "generic.h" + +#ifndef __val2mfld +#define __val2mfld(mask,val) (((mask)&~((mask)<<1))*(val)&(mask)) +#endif +#ifndef __mfld2val +#define __mfld2val(mask,val) (((val)&(mask))/((mask)&~((mask)<<1))) +#endif + +#define CR_920T_CLOCK_MODE 0xC0000000 +#define CR_920T_FASTBUS_MODE 0x00000000 +#define CR_920T_ASYNC_MODE 0xC0000000 + +static u32 mpctl0_at_boot; + +static void imx_set_async_mode(void) +{ + adjust_cr(CR_920T_CLOCK_MODE, CR_920T_ASYNC_MODE); +} + +static void imx_set_fastbus_mode(void) +{ + adjust_cr(CR_920T_CLOCK_MODE, CR_920T_FASTBUS_MODE); +} + +static void imx_set_mpctl0(u32 mpctl0) +{ + unsigned long flags; + + if (mpctl0 == 0) { + local_irq_save(flags); + CSCR &= ~CSCR_MPEN; + local_irq_restore(flags); + return; + } + + local_irq_save(flags); + MPCTL0 = mpctl0; + CSCR |= CSCR_MPEN; + local_irq_restore(flags); +} + +/** + * imx_compute_mpctl - compute new PLL parameters + * @new_mpctl: pointer to location assigned by new PLL control register value + * @cur_mpctl: current PLL control register parameters + * @freq: required frequency in Hz + * @relation: is one of %CPUFREQ_RELATION_L (supremum) + * and %CPUFREQ_RELATION_H (infimum) + */ +long imx_compute_mpctl(u32 *new_mpctl, u32 cur_mpctl, unsigned long freq, int relation) +{ + u32 f_ref = (CSCR & CSCR_SYSTEM_SEL) ? 16000000 : (CLK32 * 512); + u32 mfi; + u32 mfn; + u32 mfd; + u32 pd; + unsigned long long ll; + long l; + long quot; + + /* Fdppl=2*Fref*(MFI+MFN/(MFD+1))/(PD+1) */ + /* PD=<0,15>, MFD=<1,1023>, MFI=<5,15> MFN=<0,1022> */ + + if (cur_mpctl) { + mfd = ((cur_mpctl >> 16) & 0x3ff) + 1; + pd = ((cur_mpctl >> 26) & 0xf) + 1; + } else { + pd=2; mfd=313; + } + + /* pd=2; mfd=313; mfi=8; mfn=183; */ + /* (MFI+MFN/(MFD)) = Fdppl / (2*Fref) * (PD); */ + + quot = (f_ref + (1 << 9)) >> 10; + l = (freq * pd + quot) / (2 * quot); + mfi = l >> 10; + mfn = ((l & ((1 << 10) - 1)) * mfd + (1 << 9)) >> 10; + + mfd -= 1; + pd -= 1; + + *new_mpctl = ((mfi & 0xf) << 10) | (mfn & 0x3ff) | ((mfd & 0x3ff) << 16) + | ((pd & 0xf) << 26); + + ll = 2 * (unsigned long long)f_ref * ( (mfi<<16) + (mfn<<16) / (mfd+1) ); + quot = (pd+1) * (1<<16); + ll += quot / 2; + do_div(ll, quot); + freq = ll; + + pr_debug(KERN_DEBUG "imx: new PLL parameters pd=%d mfd=%d mfi=%d mfn=%d, freq=%ld\n", + pd, mfd, mfi, mfn, freq); + + return freq; +} + + +static int imx_verify_speed(struct cpufreq_policy *policy) +{ + if (policy->cpu != 0) + return -EINVAL; + + cpufreq_verify_within_limits(policy, policy->cpuinfo.min_freq, policy->cpuinfo.max_freq); + + return 0; +} + +static unsigned int imx_get_speed(unsigned int cpu) +{ + unsigned int freq; + unsigned int cr; + unsigned int cscr; + unsigned int bclk_div; + + if (cpu) + return 0; + + cscr = CSCR; + bclk_div = __mfld2val(CSCR_BCLK_DIV, cscr) + 1; + cr = get_cr(); + + if((cr & CR_920T_CLOCK_MODE) == CR_920T_FASTBUS_MODE) { + freq = imx_get_system_clk(); + freq = (freq + bclk_div/2) / bclk_div; + } else { + freq = imx_get_mcu_clk(); + if (cscr & CSCR_MPU_PRESC) + freq /= 2; + } + + freq = (freq + 500) / 1000; + + return freq; +} + +static int imx_set_target(struct cpufreq_policy *policy, + unsigned int target_freq, + unsigned int relation) +{ + struct cpufreq_freqs freqs; + u32 mpctl0 = 0; + u32 cscr; + unsigned long flags; + long freq; + long sysclk; + unsigned int bclk_div = 1; + + freq = target_freq * 1000; + + pr_debug(KERN_DEBUG "imx: requested frequency %ld Hz, mpctl0 at boot 0x%08x\n", + freq, mpctl0_at_boot); + + sysclk = imx_get_system_clk(); + + if (freq > sysclk + 1000000) { + freq = imx_compute_mpctl(&mpctl0, mpctl0_at_boot, freq, relation); + if (freq < 0) { + printk(KERN_WARNING "imx: target frequency %ld Hz cannot be set\n", freq); + return -EINVAL; + } + } else { + if(freq + 1000 < sysclk) { + if (relation == CPUFREQ_RELATION_L) + bclk_div = (sysclk - 1000) / freq; + else + bclk_div = (sysclk + freq + 1000) / freq; + + if(bclk_div > 16) + bclk_div = 16; + } + freq = (sysclk + bclk_div / 2) / bclk_div; + } + + freqs.old = imx_get_speed(0); + freqs.new = (freq + 500) / 1000; + freqs.cpu = 0; + freqs.flags = 0; + + cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE); + + local_irq_save(flags); + + imx_set_fastbus_mode(); + + imx_set_mpctl0(mpctl0); + + cscr = CSCR; + cscr &= ~CSCR_BCLK_DIV; + cscr |= __val2mfld(CSCR_BCLK_DIV, bclk_div - 1); + CSCR = cscr; + + if(mpctl0) { + CSCR |= CSCR_MPLL_RESTART; + + /* Wait until MPLL is stablized */ + while( CSCR & CSCR_MPLL_RESTART ); + + imx_set_async_mode(); + } + + local_irq_restore(flags); + + cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE); + + pr_debug(KERN_INFO "imx: set frequency %ld Hz, running from %s\n", + freq, mpctl0? "MPLL": "SPLL"); + + return 0; +} + +static int __init imx_cpufreq_driver_init(struct cpufreq_policy *policy) +{ + printk(KERN_INFO "i.MX cpu freq change driver v1.0\n"); + + if (policy->cpu != 0) + return -EINVAL; + + policy->cur = policy->min = policy->max = imx_get_speed(0); + policy->governor = CPUFREQ_DEFAULT_GOVERNOR; + policy->cpuinfo.min_freq = 8000; + policy->cpuinfo.max_freq = 200000; + policy->cpuinfo.transition_latency = CPUFREQ_ETERNAL; + return 0; +} + +static struct cpufreq_driver imx_driver = { + .flags = CPUFREQ_STICKY, + .verify = imx_verify_speed, + .target = imx_set_target, + .get = imx_get_speed, + .init = imx_cpufreq_driver_init, + .name = "imx", +}; + +static int __init imx_cpufreq_init(void) +{ + + mpctl0_at_boot = 0; + + if((CSCR & CSCR_MPEN) && + ((get_cr() & CR_920T_CLOCK_MODE) != CR_920T_FASTBUS_MODE)) + mpctl0_at_boot = MPCTL0; + + return cpufreq_register_driver(&imx_driver); +} + +arch_initcall(imx_cpufreq_init); + diff --git a/arch/arm/mach-netx/time.c b/arch/arm/mach-netx/time.c index 0993336c0b556..5773b55ef4a69 100644 --- a/arch/arm/mach-netx/time.c +++ b/arch/arm/mach-netx/time.c @@ -19,6 +19,8 @@ #include <linux/init.h> #include <linux/interrupt.h> +#include <linux/irq.h> +#include <linux/clocksource.h> #include <asm/hardware.h> #include <asm/io.h> @@ -26,15 +28,6 @@ #include <asm/arch/netx-regs.h> /* - * Returns number of us since last clock interrupt. Note that interrupts - * will have been disabled by do_gettimeoffset() - */ -static unsigned long netx_gettimeoffset(void) -{ - return readl(NETX_GPIO_COUNTER_CURRENT(0)) / 100; -} - -/* * IRQ handler for the timer */ static irqreturn_t @@ -43,6 +36,7 @@ netx_timer_interrupt(int irq, void *dev_id) write_seqlock(&xtime_lock); timer_tick(); + write_sequnlock(&xtime_lock); /* acknowledge interrupt */ @@ -51,13 +45,26 @@ netx_timer_interrupt(int irq, void *dev_id) return IRQ_HANDLED; } - static struct irqaction netx_timer_irq = { .name = "NetX Timer Tick", .flags = IRQF_DISABLED | IRQF_TIMER, .handler = netx_timer_interrupt, }; +cycle_t netx_get_cycles(void) +{ + return readl(NETX_GPIO_COUNTER_CURRENT(1)); +} + +static struct clocksource clocksource_netx = { + .name = "netx_timer", + .rating = 200, + .read = netx_get_cycles, + .mask = CLOCKSOURCE_MASK(32), + .shift = 20, + .is_continuous = 1, +}; + /* * Set up timer interrupt */ @@ -80,9 +87,20 @@ static void __init netx_timer_init(void) NETX_GPIO_COUNTER_CTRL(0)); setup_irq(NETX_IRQ_TIMER0, &netx_timer_irq); + + /* Setup timer one for clocksource */ + writel(0, NETX_GPIO_COUNTER_CTRL(1)); + writel(0, NETX_GPIO_COUNTER_CURRENT(1)); + writel(0xFFFFFFFF, NETX_GPIO_COUNTER_MAX(1)); + + writel(NETX_GPIO_COUNTER_CTRL_RUN, + NETX_GPIO_COUNTER_CTRL(1)); + + clocksource_netx.mult = + clocksource_hz2mult(CLOCK_TICK_RATE, clocksource_netx.shift); + clocksource_register(&clocksource_netx); } struct sys_timer netx_timer = { - .init = netx_timer_init, - .offset = netx_gettimeoffset, + .init = netx_timer_init, }; diff --git a/arch/arm/mach-omap1/Kconfig b/arch/arm/mach-omap1/Kconfig index d135568dc9e76..8781aaeb576b2 100644 --- a/arch/arm/mach-omap1/Kconfig +++ b/arch/arm/mach-omap1/Kconfig @@ -43,6 +43,7 @@ config MACH_OMAP_H3 config MACH_OMAP_OSK bool "TI OSK Support" depends on ARCH_OMAP1 && ARCH_OMAP16XX + select TPS65010 help TI OMAP 5912 OSK (OMAP Starter Kit) board support. Say Y here if you have such a board. diff --git a/arch/arm/mach-omap1/board-osk.c b/arch/arm/mach-omap1/board-osk.c index 3a622801d7b0f..7d0cf7af88ceb 100644 --- a/arch/arm/mach-omap1/board-osk.c +++ b/arch/arm/mach-omap1/board-osk.c @@ -30,6 +30,7 @@ #include <linux/init.h> #include <linux/platform_device.h> #include <linux/irq.h> +#include <linux/interrupt.h> #include <linux/mtd/mtd.h> #include <linux/mtd/partitions.h> diff --git a/arch/arm/mach-pxa/time.c b/arch/arm/mach-pxa/time.c index b914668610298..3775b8f384294 100644 --- a/arch/arm/mach-pxa/time.c +++ b/arch/arm/mach-pxa/time.c @@ -18,6 +18,7 @@ #include <linux/signal.h> #include <linux/errno.h> #include <linux/sched.h> +#include <linux/clocksource.h> #include <asm/system.h> #include <asm/hardware.h> @@ -48,27 +49,6 @@ static int pxa_set_rtc(void) return 0; } -/* IRQs are disabled before entering here from do_gettimeofday() */ -static unsigned long pxa_gettimeoffset (void) -{ - long ticks_to_match, elapsed, usec; - - /* Get ticks before next timer match */ - ticks_to_match = OSMR0 - OSCR; - - /* We need elapsed ticks since last match */ - elapsed = LATCH - ticks_to_match; - - /* don't get fooled by the workaround in pxa_timer_interrupt() */ - if (elapsed <= 0) - return 0; - - /* Now convert them to usec */ - usec = (unsigned long)(elapsed * (tick_nsec / 1000))/LATCH; - - return usec; -} - #ifdef CONFIG_NO_IDLE_HZ static unsigned long initial_match; static int match_posponed; @@ -121,6 +101,20 @@ static struct irqaction pxa_timer_irq = { .handler = pxa_timer_interrupt, }; +cycle_t pxa_get_cycles(void) +{ + return OSCR; +} + +static struct clocksource clocksource_pxa = { + .name = "pxa_timer", + .rating = 200, + .read = pxa_get_cycles, + .mask = CLOCKSOURCE_MASK(32), + .shift = 20, + .is_continuous = 1, +}; + static void __init pxa_timer_init(void) { struct timespec tv; @@ -139,6 +133,14 @@ static void __init pxa_timer_init(void) OIER = OIER_E0; /* enable match on timer 0 to cause interrupts */ OSMR0 = OSCR + LATCH; /* set initial match */ local_irq_restore(flags); + + /* on PXA OSCR runs continiously and is not written to, so we can use it + * as clock source directly. + */ + clocksource_pxa.mult = + clocksource_hz2mult(CLOCK_TICK_RATE, clocksource_pxa.shift); + clocksource_register(&clocksource_pxa); + } #ifdef CONFIG_NO_IDLE_HZ @@ -211,7 +213,6 @@ struct sys_timer pxa_timer = { .init = pxa_timer_init, .suspend = pxa_timer_suspend, .resume = pxa_timer_resume, - .offset = pxa_gettimeoffset, #ifdef CONFIG_NO_IDLE_HZ .dyn_tick = &pxa_dyn_tick, #endif diff --git a/arch/arm/mach-pxa/trizeps4.c b/arch/arm/mach-pxa/trizeps4.c index c1827d021ba82..119c64b7223f5 100644 --- a/arch/arm/mach-pxa/trizeps4.c +++ b/arch/arm/mach-pxa/trizeps4.c @@ -393,10 +393,6 @@ static struct pxafb_mach_info sharp_lcd = { .pxafb_backlight_power = board_backlight_power, }; -static void __init trizeps4_fixup(struct machine_desc *desc, struct tag *tags, char **cmdline, struct meminfo *mi) -{ -} - static void __init trizeps4_init(void) { platform_add_devices(trizeps4_devices, ARRAY_SIZE(trizeps4_devices)); @@ -469,7 +465,6 @@ MACHINE_START(TRIZEPS4, "Keith und Koep Trizeps IV module") .phys_io = 0x40000000, .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, .boot_params = TRIZEPS4_SDRAM_BASE + 0x100, - .fixup = trizeps4_fixup, .init_machine = trizeps4_init, .map_io = trizeps4_map_io, .init_irq = pxa_init_irq, diff --git a/arch/arm/mach-sa1100/jornada720.c b/arch/arm/mach-sa1100/jornada720.c index 17f5a43acdb75..54ecdaa373d6d 100644 --- a/arch/arm/mach-sa1100/jornada720.c +++ b/arch/arm/mach-sa1100/jornada720.c @@ -1,5 +1,15 @@ /* * linux/arch/arm/mach-sa1100/jornada720.c + * + * HP Jornada720 init code + * + * Copyright (C) 2006 Filip Zyzniewski <filip.zyzniewski@tefnet.pl> + * Copyright (C) 2005 Michael Gernoth <michael@gernoth.net> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * */ #include <linux/init.h> @@ -10,13 +20,13 @@ #include <linux/ioport.h> #include <linux/mtd/mtd.h> #include <linux/mtd/partitions.h> +#include <video/s1d13xxxfb.h> #include <asm/hardware.h> #include <asm/hardware/sa1111.h> #include <asm/irq.h> #include <asm/mach-types.h> #include <asm/setup.h> - #include <asm/mach/arch.h> #include <asm/mach/flash.h> #include <asm/mach/map.h> @@ -24,13 +34,170 @@ #include "generic.h" +/* + * HP Documentation referred in this file: + * http://www.jlime.com/downloads/development/docs/jornada7xx/jornada720.txt + */ + +/* line 110 of HP's doc */ +#define TUCR_VAL 0x20000400 + +/* memory space (line 52 of HP's doc) */ +#define SA1111REGSTART 0x40000000 +#define SA1111REGLEN 0x00001fff +#define EPSONREGSTART 0x48000000 +#define EPSONREGLEN 0x00100000 +#define EPSONFBSTART 0x48200000 +/* 512kB framebuffer */ +#define EPSONFBLEN 512*1024 + +static struct s1d13xxxfb_regval s1d13xxxfb_initregs[] = { + /* line 344 of HP's doc */ + {0x0001,0x00}, // Miscellaneous Register + {0x01FC,0x00}, // Display Mode Register + {0x0004,0x00}, // General IO Pins Configuration Register 0 + {0x0005,0x00}, // General IO Pins Configuration Register 1 + {0x0008,0x00}, // General IO Pins Control Register 0 + {0x0009,0x00}, // General IO Pins Control Register 1 + {0x0010,0x01}, // Memory Clock Configuration Register + {0x0014,0x11}, // LCD Pixel Clock Configuration Register + {0x0018,0x01}, // CRT/TV Pixel Clock Configuration Register + {0x001C,0x01}, // MediaPlug Clock Configuration Register + {0x001E,0x01}, // CPU To Memory Wait State Select Register + {0x0020,0x00}, // Memory Configuration Register + {0x0021,0x45}, // DRAM Refresh Rate Register + {0x002A,0x01}, // DRAM Timings Control Register 0 + {0x002B,0x03}, // DRAM Timings Control Register 1 + {0x0030,0x1c}, // Panel Type Register + {0x0031,0x00}, // MOD Rate Register + {0x0032,0x4F}, // LCD Horizontal Display Width Register + {0x0034,0x07}, // LCD Horizontal Non-Display Period Register + {0x0035,0x01}, // TFT FPLINE Start Position Register + {0x0036,0x0B}, // TFT FPLINE Pulse Width Register + {0x0038,0xEF}, // LCD Vertical Display Height Register 0 + {0x0039,0x00}, // LCD Vertical Display Height Register 1 + {0x003A,0x13}, // LCD Vertical Non-Display Period Register + {0x003B,0x0B}, // TFT FPFRAME Start Position Register + {0x003C,0x01}, // TFT FPFRAME Pulse Width Register + {0x0040,0x05}, // LCD Display Mode Register (2:4bpp,3:8bpp,5:16bpp) + {0x0041,0x00}, // LCD Miscellaneous Register + {0x0042,0x00}, // LCD Display Start Address Register 0 + {0x0043,0x00}, // LCD Display Start Address Register 1 + {0x0044,0x00}, // LCD Display Start Address Register 2 + {0x0046,0x80}, // LCD Memory Address Offset Register 0 + {0x0047,0x02}, // LCD Memory Address Offset Register 1 + {0x0048,0x00}, // LCD Pixel Panning Register + {0x004A,0x00}, // LCD Display FIFO High Threshold Control Register + {0x004B,0x00}, // LCD Display FIFO Low Threshold Control Register + {0x0050,0x4F}, // CRT/TV Horizontal Display Width Register + {0x0052,0x13}, // CRT/TV Horizontal Non-Display Period Register + {0x0053,0x01}, // CRT/TV HRTC Start Position Register + {0x0054,0x0B}, // CRT/TV HRTC Pulse Width Register + {0x0056,0xDF}, // CRT/TV Vertical Display Height Register 0 + {0x0057,0x01}, // CRT/TV Vertical Display Height Register 1 + {0x0058,0x2B}, // CRT/TV Vertical Non-Display Period Register + {0x0059,0x09}, // CRT/TV VRTC Start Position Register + {0x005A,0x01}, // CRT/TV VRTC Pulse Width Register + {0x005B,0x10}, // TV Output Control Register + {0x0060,0x03}, // CRT/TV Display Mode Register (2:4bpp,3:8bpp,5:16bpp) + {0x0062,0x00}, // CRT/TV Display Start Address Register 0 + {0x0063,0x00}, // CRT/TV Display Start Address Register 1 + {0x0064,0x00}, // CRT/TV Display Start Address Register 2 + {0x0066,0x40}, // CRT/TV Memory Address Offset Register 0 + {0x0067,0x01}, // CRT/TV Memory Address Offset Register 1 + {0x0068,0x00}, // CRT/TV Pixel Panning Register + {0x006A,0x00}, // CRT/TV Display FIFO High Threshold Control Register + {0x006B,0x00}, // CRT/TV Display FIFO Low Threshold Control Register + {0x0070,0x00}, // LCD Ink/Cursor Control Register + {0x0071,0x01}, // LCD Ink/Cursor Start Address Register + {0x0072,0x00}, // LCD Cursor X Position Register 0 + {0x0073,0x00}, // LCD Cursor X Position Register 1 + {0x0074,0x00}, // LCD Cursor Y Position Register 0 + {0x0075,0x00}, // LCD Cursor Y Position Register 1 + {0x0076,0x00}, // LCD Ink/Cursor Blue Color 0 Register + {0x0077,0x00}, // LCD Ink/Cursor Green Color 0 Register + {0x0078,0x00}, // LCD Ink/Cursor Red Color 0 Register + {0x007A,0x1F}, // LCD Ink/Cursor Blue Color 1 Register + {0x007B,0x3F}, // LCD Ink/Cursor Green Color 1 Register + {0x007C,0x1F}, // LCD Ink/Cursor Red Color 1 Register + {0x007E,0x00}, // LCD Ink/Cursor FIFO Threshold Register + {0x0080,0x00}, // CRT/TV Ink/Cursor Control Register + {0x0081,0x01}, // CRT/TV Ink/Cursor Start Address Register + {0x0082,0x00}, // CRT/TV Cursor X Position Register 0 + {0x0083,0x00}, // CRT/TV Cursor X Position Register 1 + {0x0084,0x00}, // CRT/TV Cursor Y Position Register 0 + {0x0085,0x00}, // CRT/TV Cursor Y Position Register 1 + {0x0086,0x00}, // CRT/TV Ink/Cursor Blue Color 0 Register + {0x0087,0x00}, // CRT/TV Ink/Cursor Green Color 0 Register + {0x0088,0x00}, // CRT/TV Ink/Cursor Red Color 0 Register + {0x008A,0x1F}, // CRT/TV Ink/Cursor Blue Color 1 Register + {0x008B,0x3F}, // CRT/TV Ink/Cursor Green Color 1 Register + {0x008C,0x1F}, // CRT/TV Ink/Cursor Red Color 1 Register + {0x008E,0x00}, // CRT/TV Ink/Cursor FIFO Threshold Register + {0x0100,0x00}, // BitBlt Control Register 0 + {0x0101,0x00}, // BitBlt Control Register 1 + {0x0102,0x00}, // BitBlt ROP Code/Color Expansion Register + {0x0103,0x00}, // BitBlt Operation Register + {0x0104,0x00}, // BitBlt Source Start Address Register 0 + {0x0105,0x00}, // BitBlt Source Start Address Register 1 + {0x0106,0x00}, // BitBlt Source Start Address Register 2 + {0x0108,0x00}, // BitBlt Destination Start Address Register 0 + {0x0109,0x00}, // BitBlt Destination Start Address Register 1 + {0x010A,0x00}, // BitBlt Destination Start Address Register 2 + {0x010C,0x00}, // BitBlt Memory Address Offset Register 0 + {0x010D,0x00}, // BitBlt Memory Address Offset Register 1 + {0x0110,0x00}, // BitBlt Width Register 0 + {0x0111,0x00}, // BitBlt Width Register 1 + {0x0112,0x00}, // BitBlt Height Register 0 + {0x0113,0x00}, // BitBlt Height Register 1 + {0x0114,0x00}, // BitBlt Background Color Register 0 + {0x0115,0x00}, // BitBlt Background Color Register 1 + {0x0118,0x00}, // BitBlt Foreground Color Register 0 + {0x0119,0x00}, // BitBlt Foreground Color Register 1 + {0x01E0,0x00}, // Look-Up Table Mode Register + {0x01E2,0x00}, // Look-Up Table Address Register + /* not sure, wouldn't like to mess with the driver */ + {0x01E4,0x00}, // Look-Up Table Data Register + /* jornada doc says 0x00, but I trust the driver */ + {0x01F0,0x10}, // Power Save Configuration Register + {0x01F1,0x00}, // Power Save Status Register + {0x01F4,0x00}, // CPU-to-Memory Access Watchdog Timer Register + {0x01FC,0x01}, // Display Mode Register(0x01:LCD, 0x02:CRT, 0x03:LCD&CRT) +}; + +static struct s1d13xxxfb_pdata s1d13xxxfb_data = { + .initregs = s1d13xxxfb_initregs, + .initregssize = ARRAY_SIZE(s1d13xxxfb_initregs), + .platform_init_video = NULL +}; -#define JORTUCR_VAL 0x20000400 +static struct resource s1d13xxxfb_resources[] = { + [0] = { + .start = EPSONFBSTART, + .end = EPSONFBSTART + EPSONFBLEN, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = EPSONREGSTART, + .end = EPSONREGSTART + EPSONREGLEN, + .flags = IORESOURCE_MEM, + } +}; + +static struct platform_device s1d13xxxfb_device = { + .name = S1D_DEVICENAME, + .id = 0, + .dev = { + .platform_data = &s1d13xxxfb_data, + }, + .num_resources = ARRAY_SIZE(s1d13xxxfb_resources), + .resource = s1d13xxxfb_resources, +}; static struct resource sa1111_resources[] = { [0] = { - .start = 0x40000000, - .end = 0x40001fff, + .start = SA1111REGSTART, + .end = SA1111REGSTART + SA1111REGLEN, .flags = IORESOURCE_MEM, }, [1] = { @@ -53,18 +220,32 @@ static struct platform_device sa1111_device = { .resource = sa1111_resources, }; +static struct platform_device jornada720_mcu_device = { + .name = "jornada720_mcu", + .id = -1, +}; + static struct platform_device *devices[] __initdata = { &sa1111_device, + &jornada720_mcu_device, + &s1d13xxxfb_device, }; +/* a stub for now, we theoretically cannot suspend without a flashboard */ +int pm_suspend(suspend_state_t state) +{ + return -1; +} + static int __init jornada720_init(void) { int ret = -ENODEV; if (machine_is_jornada720()) { GPDR |= GPIO_GPIO20; - TUCR = JORTUCR_VAL; /* set the oscillator out to the SA-1101 */ - + /* oscillator setup (line 116 of HP's doc) */ + TUCR = TUCR_VAL; + /* resetting SA1111 (line 118 of HP's doc) */ GPSR = GPIO_GPIO20; udelay(1); GPCR = GPIO_GPIO20; @@ -72,10 +253,6 @@ static int __init jornada720_init(void) GPSR = GPIO_GPIO20; udelay(20); - /* LDD4 is speaker, LDD3 is microphone */ - PPSR &= ~(PPC_LDD3 | PPC_LDD4); - PPDR |= PPC_LDD3 | PPC_LDD4; - ret = platform_add_devices(devices, ARRAY_SIZE(devices)); } return ret; @@ -85,19 +262,19 @@ arch_initcall(jornada720_init); static struct map_desc jornada720_io_desc[] __initdata = { { /* Epson registers */ - .virtual = 0xf0000000, - .pfn = __phys_to_pfn(0x48000000), - .length = 0x00100000, + .virtual = 0xf0000000, + .pfn = __phys_to_pfn(EPSONREGSTART), + .length = EPSONREGLEN, .type = MT_DEVICE }, { /* Epson frame buffer */ - .virtual = 0xf1000000, - .pfn = __phys_to_pfn(0x48200000), - .length = 0x00100000, + .virtual = 0xf1000000, + .pfn = __phys_to_pfn(EPSONFBSTART), + .length = EPSONFBLEN, .type = MT_DEVICE }, { /* SA-1111 */ - .virtual = 0xf4000000, - .pfn = __phys_to_pfn(0x40000000), - .length = 0x00100000, + .virtual = 0xf4000000, + .pfn = __phys_to_pfn(SA1111REGSTART), + .length = SA1111REGLEN, .type = MT_DEVICE } }; @@ -106,7 +283,7 @@ static void __init jornada720_map_io(void) { sa1100_map_io(); iotable_init(jornada720_io_desc, ARRAY_SIZE(jornada720_io_desc)); - + sa1100_register_uart(0, 3); sa1100_register_uart(1, 1); } @@ -116,7 +293,7 @@ static struct mtd_partition jornada720_partitions[] = { .name = "JORNADA720 boot firmware", .size = 0x00040000, .offset = 0, - .mask_flags = MTD_WRITEABLE, /* force read-only */ + .mask_flags = MTD_WRITEABLE, /* force read-only */ }, { .name = "JORNADA720 kernel", .size = 0x000c0000, @@ -139,7 +316,7 @@ static struct mtd_partition jornada720_partitions[] = { .offset = 0x00540000, }, { .name = "JORNADA720 usr local", - .size = 0, /* will expand to the end of the flash */ + .size = 0, /* will expand to the end of the flash */ .offset = 0x00d00000, } }; @@ -147,10 +324,12 @@ static struct mtd_partition jornada720_partitions[] = { static void jornada720_set_vpp(int vpp) { if (vpp) - PPSR |= 0x80; + /* enabling flash write (line 470 of HP's doc) */ + PPSR |= PPC_LDD7; else - PPSR &= ~0x80; - PPDR |= 0x80; + /* disabling flash write (line 470 of HP's doc) */ + PPSR &= ~PPC_LDD7; + PPDR |= PPC_LDD7; } static struct flash_platform_data jornada720_flash_data = { diff --git a/arch/arm/mm/consistent.c b/arch/arm/mm/consistent.c index b797217e82be0..6a9c362fef5e2 100644 --- a/arch/arm/mm/consistent.c +++ b/arch/arm/mm/consistent.c @@ -238,7 +238,7 @@ __dma_alloc(struct device *dev, size_t size, dma_addr_t *handle, gfp_t gfp, * x86 does not mark the pages reserved... */ SetPageReserved(page); - set_pte(pte, mk_pte(page, prot)); + set_pte_ext(pte, mk_pte(page, prot), 0); page++; pte++; off++; diff --git a/arch/arm/mm/copypage-v4mc.c b/arch/arm/mm/copypage-v4mc.c index df1645e14b4c1..408b05ae6b9b6 100644 --- a/arch/arm/mm/copypage-v4mc.c +++ b/arch/arm/mm/copypage-v4mc.c @@ -71,7 +71,7 @@ void v4_mc_copy_user_page(void *kto, const void *kfrom, unsigned long vaddr) { spin_lock(&minicache_lock); - set_pte(TOP_PTE(0xffff8000), pfn_pte(__pa(kfrom) >> PAGE_SHIFT, minicache_pgprot)); + set_pte_ext(TOP_PTE(0xffff8000), pfn_pte(__pa(kfrom) >> PAGE_SHIFT, minicache_pgprot), 0); flush_tlb_kernel_page(0xffff8000); mc_copy_user_page((void *)0xffff8000, kto); diff --git a/arch/arm/mm/copypage-v6.c b/arch/arm/mm/copypage-v6.c index 3d0d3a963d20b..865777dec161d 100644 --- a/arch/arm/mm/copypage-v6.c +++ b/arch/arm/mm/copypage-v6.c @@ -70,8 +70,8 @@ static void v6_copy_user_page_aliasing(void *kto, const void *kfrom, unsigned lo */ spin_lock(&v6_lock); - set_pte(TOP_PTE(from_address) + offset, pfn_pte(__pa(kfrom) >> PAGE_SHIFT, PAGE_KERNEL)); - set_pte(TOP_PTE(to_address) + offset, pfn_pte(__pa(kto) >> PAGE_SHIFT, PAGE_KERNEL)); + set_pte_ext(TOP_PTE(from_address) + offset, pfn_pte(__pa(kfrom) >> PAGE_SHIFT, PAGE_KERNEL), 0); + set_pte_ext(TOP_PTE(to_address) + offset, pfn_pte(__pa(kto) >> PAGE_SHIFT, PAGE_KERNEL), 0); from = from_address + (offset << PAGE_SHIFT); to = to_address + (offset << PAGE_SHIFT); @@ -110,7 +110,7 @@ static void v6_clear_user_page_aliasing(void *kaddr, unsigned long vaddr) */ spin_lock(&v6_lock); - set_pte(TOP_PTE(to_address) + offset, pfn_pte(__pa(kaddr) >> PAGE_SHIFT, PAGE_KERNEL)); + set_pte_ext(TOP_PTE(to_address) + offset, pfn_pte(__pa(kaddr) >> PAGE_SHIFT, PAGE_KERNEL), 0); flush_tlb_kernel_page(to); clear_page((void *)to); diff --git a/arch/arm/mm/copypage-xscale.c b/arch/arm/mm/copypage-xscale.c index 84ebe0aa379e3..aea5da7235967 100644 --- a/arch/arm/mm/copypage-xscale.c +++ b/arch/arm/mm/copypage-xscale.c @@ -93,7 +93,7 @@ void xscale_mc_copy_user_page(void *kto, const void *kfrom, unsigned long vaddr) { spin_lock(&minicache_lock); - set_pte(TOP_PTE(COPYPAGE_MINICACHE), pfn_pte(__pa(kfrom) >> PAGE_SHIFT, minicache_pgprot)); + set_pte_ext(TOP_PTE(COPYPAGE_MINICACHE), pfn_pte(__pa(kfrom) >> PAGE_SHIFT, minicache_pgprot), 0); flush_tlb_kernel_page(COPYPAGE_MINICACHE); mc_copy_user_page((void *)COPYPAGE_MINICACHE, kto); diff --git a/arch/arm/mm/fault-armv.c b/arch/arm/mm/fault-armv.c index 7fc1b35a67469..cf95c5d0ce4cd 100644 --- a/arch/arm/mm/fault-armv.c +++ b/arch/arm/mm/fault-armv.c @@ -61,7 +61,7 @@ static int adjust_pte(struct vm_area_struct *vma, unsigned long address) if (pte_present(entry) && pte_val(entry) & shared_pte_mask) { flush_cache_page(vma, address, pte_pfn(entry)); pte_val(entry) &= ~shared_pte_mask; - set_pte(pte, entry); + set_pte_at(vma->vm_mm, address, pte, entry); flush_tlb_page(vma, address); ret = 1; } diff --git a/arch/arm/mm/flush.c b/arch/arm/mm/flush.c index 454205b789d5a..628348c9f6c5f 100644 --- a/arch/arm/mm/flush.c +++ b/arch/arm/mm/flush.c @@ -26,7 +26,7 @@ static void flush_pfn_alias(unsigned long pfn, unsigned long vaddr) unsigned long to = ALIAS_FLUSH_START + (CACHE_COLOUR(vaddr) << PAGE_SHIFT); const int zero = 0; - set_pte(TOP_PTE(to), pfn_pte(pfn, PAGE_KERNEL)); + set_pte_ext(TOP_PTE(to), pfn_pte(pfn, PAGE_KERNEL), 0); flush_tlb_kernel_page(to); asm( "mcrr p15, 0, %1, %0, c14\n" diff --git a/arch/arm/mm/ioremap.c b/arch/arm/mm/ioremap.c index 4654405927913..3bb3951920bc9 100644 --- a/arch/arm/mm/ioremap.c +++ b/arch/arm/mm/ioremap.c @@ -38,89 +38,71 @@ */ #define VM_ARM_SECTION_MAPPING 0x80000000 -static inline void -remap_area_pte(pte_t * pte, unsigned long address, unsigned long size, - unsigned long phys_addr, pgprot_t pgprot) +static int remap_area_pte(pmd_t *pmd, unsigned long addr, unsigned long end, + unsigned long phys_addr, pgprot_t prot) { - unsigned long end; + pte_t *pte; + + pte = pte_alloc_kernel(pmd, addr); + if (!pte) + return -ENOMEM; - address &= ~PMD_MASK; - end = address + size; - if (end > PMD_SIZE) - end = PMD_SIZE; - BUG_ON(address >= end); do { if (!pte_none(*pte)) goto bad; - set_pte(pte, pfn_pte(phys_addr >> PAGE_SHIFT, pgprot)); - address += PAGE_SIZE; + set_pte_ext(pte, pfn_pte(phys_addr >> PAGE_SHIFT, prot), 0); phys_addr += PAGE_SIZE; - pte++; - } while (address && (address < end)); - return; + } while (pte++, addr += PAGE_SIZE, addr != end); + return 0; bad: - printk("remap_area_pte: page already exists\n"); + printk(KERN_CRIT "remap_area_pte: page already exists\n"); BUG(); } -static inline int -remap_area_pmd(pmd_t * pmd, unsigned long address, unsigned long size, - unsigned long phys_addr, unsigned long flags) +static inline int remap_area_pmd(pgd_t *pgd, unsigned long addr, + unsigned long end, unsigned long phys_addr, + pgprot_t prot) { - unsigned long end; - pgprot_t pgprot; - - address &= ~PGDIR_MASK; - end = address + size; + unsigned long next; + pmd_t *pmd; + int ret = 0; - if (end > PGDIR_SIZE) - end = PGDIR_SIZE; + pmd = pmd_alloc(&init_mm, pgd, addr); + if (!pmd) + return -ENOMEM; - phys_addr -= address; - BUG_ON(address >= end); - - pgprot = __pgprot(L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_DIRTY | L_PTE_WRITE | flags); do { - pte_t * pte = pte_alloc_kernel(pmd, address); - if (!pte) - return -ENOMEM; - remap_area_pte(pte, address, end - address, address + phys_addr, pgprot); - address = (address + PMD_SIZE) & PMD_MASK; - pmd++; - } while (address && (address < end)); - return 0; + next = pmd_addr_end(addr, end); + ret = remap_area_pte(pmd, addr, next, phys_addr, prot); + if (ret) + return ret; + phys_addr += next - addr; + } while (pmd++, addr = next, addr != end); + return ret; } -static int -remap_area_pages(unsigned long start, unsigned long pfn, - unsigned long size, unsigned long flags) +static int remap_area_pages(unsigned long start, unsigned long pfn, + unsigned long size, unsigned long flags) { - unsigned long address = start; - unsigned long end = start + size; + unsigned long addr = start; + unsigned long next, end = start + size; unsigned long phys_addr = __pfn_to_phys(pfn); + pgprot_t prot = __pgprot(L_PTE_PRESENT | L_PTE_YOUNG | + L_PTE_DIRTY | L_PTE_WRITE | flags); + pgd_t *pgd; int err = 0; - pgd_t * dir; - phys_addr -= address; - dir = pgd_offset(&init_mm, address); - BUG_ON(address >= end); + BUG_ON(addr >= end); + pgd = pgd_offset_k(addr); do { - pmd_t *pmd = pmd_alloc(&init_mm, dir, address); - if (!pmd) { - err = -ENOMEM; - break; - } - if (remap_area_pmd(pmd, address, end - address, - phys_addr + address, flags)) { - err = -ENOMEM; + next = pgd_addr_end(addr, end); + err = remap_area_pmd(pgd, addr, next, phys_addr, prot); + if (err) break; - } - - address = (address + PGDIR_SIZE) & PGDIR_MASK; - dir++; - } while (address && (address < end)); + phys_addr += next - addr; + } while (pgd++, addr = next, addr != end); return err; } diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c index b7f194af20b49..f028aef9a861f 100644 --- a/arch/arm/mm/mmu.c +++ b/arch/arm/mm/mmu.c @@ -294,12 +294,6 @@ static void __init build_mem_type_table(void) mem_types[MT_DEVICE].prot_pte |= L_PTE_BUFFERABLE; mem_types[MT_DEVICE].prot_sect |= PMD_SECT_BUFFERED; - /* - * User pages need to be mapped with the ASID - * (iow, non-global) - */ - user_pgprot |= L_PTE_ASID; - #ifdef CONFIG_SMP /* * Mark memory with the "shared" attribute for SMP systems @@ -408,7 +402,7 @@ alloc_init_page(unsigned long virt, unsigned long phys, unsigned int prot_l1, pg } ptep = pte_offset_kernel(pmdp, virt); - set_pte(ptep, pfn_pte(phys >> PAGE_SHIFT, prot)); + set_pte_ext(ptep, pfn_pte(phys >> PAGE_SHIFT, prot), 0); } /* diff --git a/arch/arm/mm/pgd.c b/arch/arm/mm/pgd.c index 20c1b0df75f2c..50b9aed6000d8 100644 --- a/arch/arm/mm/pgd.c +++ b/arch/arm/mm/pgd.c @@ -57,7 +57,7 @@ pgd_t *get_pgd_slow(struct mm_struct *mm) init_pmd = pmd_offset(init_pgd, 0); init_pte = pte_offset_map_nested(init_pmd, 0); - set_pte(new_pte, *init_pte); + set_pte_ext(new_pte, *init_pte, 0); pte_unmap_nested(init_pte); pte_unmap(new_pte); } diff --git a/arch/arm/mm/proc-arm1020.S b/arch/arm/mm/proc-arm1020.S index 289b8e6f504dc..700c04d6996ea 100644 --- a/arch/arm/mm/proc-arm1020.S +++ b/arch/arm/mm/proc-arm1020.S @@ -397,7 +397,7 @@ ENTRY(cpu_arm1020_switch_mm) * Set a PTE and flush it out */ .align 5 -ENTRY(cpu_arm1020_set_pte) +ENTRY(cpu_arm1020_set_pte_ext) #ifdef CONFIG_MMU str r1, [r0], #-2048 @ linux version @@ -477,7 +477,7 @@ arm1020_processor_functions: .word cpu_arm1020_do_idle .word cpu_arm1020_dcache_clean_area .word cpu_arm1020_switch_mm - .word cpu_arm1020_set_pte + .word cpu_arm1020_set_pte_ext .size arm1020_processor_functions, . - arm1020_processor_functions .section ".rodata" diff --git a/arch/arm/mm/proc-arm1020e.S b/arch/arm/mm/proc-arm1020e.S index bed9db6ba582a..1cc206ab5eae6 100644 --- a/arch/arm/mm/proc-arm1020e.S +++ b/arch/arm/mm/proc-arm1020e.S @@ -381,7 +381,7 @@ ENTRY(cpu_arm1020e_switch_mm) * Set a PTE and flush it out */ .align 5 -ENTRY(cpu_arm1020e_set_pte) +ENTRY(cpu_arm1020e_set_pte_ext) #ifdef CONFIG_MMU str r1, [r0], #-2048 @ linux version @@ -458,7 +458,7 @@ arm1020e_processor_functions: .word cpu_arm1020e_do_idle .word cpu_arm1020e_dcache_clean_area .word cpu_arm1020e_switch_mm - .word cpu_arm1020e_set_pte + .word cpu_arm1020e_set_pte_ext .size arm1020e_processor_functions, . - arm1020e_processor_functions .section ".rodata" diff --git a/arch/arm/mm/proc-arm1022.S b/arch/arm/mm/proc-arm1022.S index d2a7c1b9cab92..aff0ea08e2f8d 100644 --- a/arch/arm/mm/proc-arm1022.S +++ b/arch/arm/mm/proc-arm1022.S @@ -358,12 +358,12 @@ ENTRY(cpu_arm1022_switch_mm) mov pc, lr /* - * cpu_arm1022_set_pte(ptep, pte) + * cpu_arm1022_set_pte_ext(ptep, pte, ext) * * Set a PTE and flush it out */ .align 5 -ENTRY(cpu_arm1022_set_pte) +ENTRY(cpu_arm1022_set_pte_ext) #ifdef CONFIG_MMU str r1, [r0], #-2048 @ linux version @@ -441,7 +441,7 @@ arm1022_processor_functions: .word cpu_arm1022_do_idle .word cpu_arm1022_dcache_clean_area .word cpu_arm1022_switch_mm - .word cpu_arm1022_set_pte + .word cpu_arm1022_set_pte_ext .size arm1022_processor_functions, . - arm1022_processor_functions .section ".rodata" diff --git a/arch/arm/mm/proc-arm1026.S b/arch/arm/mm/proc-arm1026.S index 3247ce5c0177c..65e43a1090855 100644 --- a/arch/arm/mm/proc-arm1026.S +++ b/arch/arm/mm/proc-arm1026.S @@ -347,12 +347,12 @@ ENTRY(cpu_arm1026_switch_mm) mov pc, lr /* - * cpu_arm1026_set_pte(ptep, pte) + * cpu_arm1026_set_pte_ext(ptep, pte, ext) * * Set a PTE and flush it out */ .align 5 -ENTRY(cpu_arm1026_set_pte) +ENTRY(cpu_arm1026_set_pte_ext) #ifdef CONFIG_MMU str r1, [r0], #-2048 @ linux version @@ -436,7 +436,7 @@ arm1026_processor_functions: .word cpu_arm1026_do_idle .word cpu_arm1026_dcache_clean_area .word cpu_arm1026_switch_mm - .word cpu_arm1026_set_pte + .word cpu_arm1026_set_pte_ext .size arm1026_processor_functions, . - arm1026_processor_functions .section .rodata diff --git a/arch/arm/mm/proc-arm6_7.S b/arch/arm/mm/proc-arm6_7.S index ce4f9eef763c8..123a7dc7a4338 100644 --- a/arch/arm/mm/proc-arm6_7.S +++ b/arch/arm/mm/proc-arm6_7.S @@ -209,14 +209,14 @@ ENTRY(cpu_arm7_switch_mm) mov pc, lr /* - * Function: arm6_7_set_pte(pte_t *ptep, pte_t pte) + * Function: arm6_7_set_pte_ext(pte_t *ptep, pte_t pte, unsigned int ext) * Params : r0 = Address to set * : r1 = value to set * Purpose : Set a PTE and flush it out of any WB cache */ .align 5 -ENTRY(cpu_arm6_set_pte) -ENTRY(cpu_arm7_set_pte) +ENTRY(cpu_arm6_set_pte_ext) +ENTRY(cpu_arm7_set_pte_ext) #ifdef CONFIG_MMU str r1, [r0], #-2048 @ linux version @@ -299,7 +299,7 @@ ENTRY(arm6_processor_functions) .word cpu_arm6_do_idle .word cpu_arm6_dcache_clean_area .word cpu_arm6_switch_mm - .word cpu_arm6_set_pte + .word cpu_arm6_set_pte_ext .size arm6_processor_functions, . - arm6_processor_functions /* @@ -315,7 +315,7 @@ ENTRY(arm7_processor_functions) .word cpu_arm7_do_idle .word cpu_arm7_dcache_clean_area .word cpu_arm7_switch_mm - .word cpu_arm7_set_pte + .word cpu_arm7_set_pte_ext .size arm7_processor_functions, . - arm7_processor_functions .section ".rodata" diff --git a/arch/arm/mm/proc-arm720.S b/arch/arm/mm/proc-arm720.S index c04c194da7850..dc763be433622 100644 --- a/arch/arm/mm/proc-arm720.S +++ b/arch/arm/mm/proc-arm720.S @@ -88,13 +88,13 @@ ENTRY(cpu_arm720_switch_mm) mov pc, lr /* - * Function: arm720_set_pte(pte_t *ptep, pte_t pte) + * Function: arm720_set_pte_ext(pte_t *ptep, pte_t pte, unsigned int ext) * Params : r0 = Address to set * : r1 = value to set * Purpose : Set a PTE and flush it out of any WB cache */ .align 5 -ENTRY(cpu_arm720_set_pte) +ENTRY(cpu_arm720_set_pte_ext) #ifdef CONFIG_MMU str r1, [r0], #-2048 @ linux version @@ -204,7 +204,7 @@ ENTRY(arm720_processor_functions) .word cpu_arm720_do_idle .word cpu_arm720_dcache_clean_area .word cpu_arm720_switch_mm - .word cpu_arm720_set_pte + .word cpu_arm720_set_pte_ext .size arm720_processor_functions, . - arm720_processor_functions .section ".rodata" diff --git a/arch/arm/mm/proc-arm920.S b/arch/arm/mm/proc-arm920.S index 65cbb2851bffa..75c945ed6c4d3 100644 --- a/arch/arm/mm/proc-arm920.S +++ b/arch/arm/mm/proc-arm920.S @@ -344,12 +344,12 @@ ENTRY(cpu_arm920_switch_mm) mov pc, lr /* - * cpu_arm920_set_pte(ptep, pte) + * cpu_arm920_set_pte(ptep, pte, ext) * * Set a PTE and flush it out */ .align 5 -ENTRY(cpu_arm920_set_pte) +ENTRY(cpu_arm920_set_pte_ext) #ifdef CONFIG_MMU str r1, [r0], #-2048 @ linux version @@ -423,7 +423,7 @@ arm920_processor_functions: .word cpu_arm920_do_idle .word cpu_arm920_dcache_clean_area .word cpu_arm920_switch_mm - .word cpu_arm920_set_pte + .word cpu_arm920_set_pte_ext .size arm920_processor_functions, . - arm920_processor_functions .section ".rodata" diff --git a/arch/arm/mm/proc-arm922.S b/arch/arm/mm/proc-arm922.S index 52761b70d7355..ffb751b877ff9 100644 --- a/arch/arm/mm/proc-arm922.S +++ b/arch/arm/mm/proc-arm922.S @@ -348,12 +348,12 @@ ENTRY(cpu_arm922_switch_mm) mov pc, lr /* - * cpu_arm922_set_pte(ptep, pte) + * cpu_arm922_set_pte_ext(ptep, pte, ext) * * Set a PTE and flush it out */ .align 5 -ENTRY(cpu_arm922_set_pte) +ENTRY(cpu_arm922_set_pte_ext) #ifdef CONFIG_MMU str r1, [r0], #-2048 @ linux version @@ -427,7 +427,7 @@ arm922_processor_functions: .word cpu_arm922_do_idle .word cpu_arm922_dcache_clean_area .word cpu_arm922_switch_mm - .word cpu_arm922_set_pte + .word cpu_arm922_set_pte_ext .size arm922_processor_functions, . - arm922_processor_functions .section ".rodata" diff --git a/arch/arm/mm/proc-arm925.S b/arch/arm/mm/proc-arm925.S index 5b74339d1588e..44c2c997819f5 100644 --- a/arch/arm/mm/proc-arm925.S +++ b/arch/arm/mm/proc-arm925.S @@ -391,12 +391,12 @@ ENTRY(cpu_arm925_switch_mm) mov pc, lr /* - * cpu_arm925_set_pte(ptep, pte) + * cpu_arm925_set_pte_ext(ptep, pte, ext) * * Set a PTE and flush it out */ .align 5 -ENTRY(cpu_arm925_set_pte) +ENTRY(cpu_arm925_set_pte_ext) #ifdef CONFIG_MMU str r1, [r0], #-2048 @ linux version @@ -490,7 +490,7 @@ arm925_processor_functions: .word cpu_arm925_do_idle .word cpu_arm925_dcache_clean_area .word cpu_arm925_switch_mm - .word cpu_arm925_set_pte + .word cpu_arm925_set_pte_ext .size arm925_processor_functions, . - arm925_processor_functions .section ".rodata" diff --git a/arch/arm/mm/proc-arm926.S b/arch/arm/mm/proc-arm926.S index 8628ed29a955d..5b80b6bdd0cb3 100644 --- a/arch/arm/mm/proc-arm926.S +++ b/arch/arm/mm/proc-arm926.S @@ -348,12 +348,12 @@ ENTRY(cpu_arm926_switch_mm) mov pc, lr /* - * cpu_arm926_set_pte(ptep, pte) + * cpu_arm926_set_pte_ext(ptep, pte, ext) * * Set a PTE and flush it out */ .align 5 -ENTRY(cpu_arm926_set_pte) +ENTRY(cpu_arm926_set_pte_ext) #ifdef CONFIG_MMU str r1, [r0], #-2048 @ linux version @@ -439,7 +439,7 @@ arm926_processor_functions: .word cpu_arm926_do_idle .word cpu_arm926_dcache_clean_area .word cpu_arm926_switch_mm - .word cpu_arm926_set_pte + .word cpu_arm926_set_pte_ext .size arm926_processor_functions, . - arm926_processor_functions .section ".rodata" @@ -480,7 +480,7 @@ __arm926_proc_info: b __arm926_setup .long cpu_arch_name .long cpu_elf_name - .long HWCAP_SWP|HWCAP_HALF|HWCAP_THUMB|HWCAP_FAST_MULT|HWCAP_VFP|HWCAP_EDSP|HWCAP_JAVA + .long HWCAP_SWP|HWCAP_HALF|HWCAP_THUMB|HWCAP_FAST_MULT|HWCAP_EDSP|HWCAP_JAVA .long cpu_arm926_name .long arm926_processor_functions .long v4wbi_tlb_fns diff --git a/arch/arm/mm/proc-sa110.S b/arch/arm/mm/proc-sa110.S index cd7d865c9d19d..6e226e12989f8 100644 --- a/arch/arm/mm/proc-sa110.S +++ b/arch/arm/mm/proc-sa110.S @@ -146,12 +146,12 @@ ENTRY(cpu_sa110_switch_mm) #endif /* - * cpu_sa110_set_pte(ptep, pte) + * cpu_sa110_set_pte_ext(ptep, pte, ext) * * Set a PTE and flush it out */ .align 5 -ENTRY(cpu_sa110_set_pte) +ENTRY(cpu_sa110_set_pte_ext) #ifdef CONFIG_MMU str r1, [r0], #-2048 @ linux version @@ -222,7 +222,7 @@ ENTRY(sa110_processor_functions) .word cpu_sa110_do_idle .word cpu_sa110_dcache_clean_area .word cpu_sa110_switch_mm - .word cpu_sa110_set_pte + .word cpu_sa110_set_pte_ext .size sa110_processor_functions, . - sa110_processor_functions .section ".rodata" diff --git a/arch/arm/mm/proc-sa1100.S b/arch/arm/mm/proc-sa1100.S index b776653cc31ca..9afb11d089fe7 100644 --- a/arch/arm/mm/proc-sa1100.S +++ b/arch/arm/mm/proc-sa1100.S @@ -159,12 +159,12 @@ ENTRY(cpu_sa1100_switch_mm) #endif /* - * cpu_sa1100_set_pte(ptep, pte) + * cpu_sa1100_set_pte_ext(ptep, pte, ext) * * Set a PTE and flush it out */ .align 5 -ENTRY(cpu_sa1100_set_pte) +ENTRY(cpu_sa1100_set_pte_ext) #ifdef CONFIG_MMU str r1, [r0], #-2048 @ linux version @@ -237,7 +237,7 @@ ENTRY(sa1100_processor_functions) .word cpu_sa1100_do_idle .word cpu_sa1100_dcache_clean_area .word cpu_sa1100_switch_mm - .word cpu_sa1100_set_pte + .word cpu_sa1100_set_pte_ext .size sa1100_processor_functions, . - sa1100_processor_functions .section ".rodata" diff --git a/arch/arm/mm/proc-syms.c b/arch/arm/mm/proc-syms.c index ab143557e6889..9f396b4fa0b7c 100644 --- a/arch/arm/mm/proc-syms.c +++ b/arch/arm/mm/proc-syms.c @@ -17,7 +17,7 @@ #ifndef MULTI_CPU EXPORT_SYMBOL(cpu_dcache_clean_area); -EXPORT_SYMBOL(cpu_set_pte); +EXPORT_SYMBOL(cpu_set_pte_ext); #else EXPORT_SYMBOL(processor); #endif diff --git a/arch/arm/mm/proc-v6.S b/arch/arm/mm/proc-v6.S index b440c8a1d3458..7b1843befb9c2 100644 --- a/arch/arm/mm/proc-v6.S +++ b/arch/arm/mm/proc-v6.S @@ -103,13 +103,14 @@ ENTRY(cpu_v6_switch_mm) mov pc, lr /* - * cpu_v6_set_pte(ptep, pte) + * cpu_v6_set_pte_ext(ptep, pte, ext) * * Set a level 2 translation table entry. * * - ptep - pointer to level 2 translation table entry * (hardware version is stored at -1024 bytes) * - pte - PTE value to store + * - ext - value for extended PTE bits * * Permissions: * YUWD APX AP1 AP0 SVC User @@ -121,33 +122,34 @@ ENTRY(cpu_v6_switch_mm) * 11x0 0 1 0 r/w r/o * 1111 0 1 1 r/w r/w */ -ENTRY(cpu_v6_set_pte) +ENTRY(cpu_v6_set_pte_ext) #ifdef CONFIG_MMU str r1, [r0], #-2048 @ linux version - bic r2, r1, #0x000003f0 - bic r2, r2, #0x00000003 - orr r2, r2, #PTE_EXT_AP0 | 2 + bic r3, r1, #0x000003f0 + bic r3, r3, #0x00000003 + orr r3, r3, r2 + orr r3, r3, #PTE_EXT_AP0 | 2 tst r1, #L_PTE_WRITE tstne r1, #L_PTE_DIRTY - orreq r2, r2, #PTE_EXT_APX + orreq r3, r3, #PTE_EXT_APX tst r1, #L_PTE_USER - orrne r2, r2, #PTE_EXT_AP1 - tstne r2, #PTE_EXT_APX - bicne r2, r2, #PTE_EXT_APX | PTE_EXT_AP0 + orrne r3, r3, #PTE_EXT_AP1 + tstne r3, #PTE_EXT_APX + bicne r3, r3, #PTE_EXT_APX | PTE_EXT_AP0 tst r1, #L_PTE_YOUNG - biceq r2, r2, #PTE_EXT_APX | PTE_EXT_AP_MASK + biceq r3, r3, #PTE_EXT_APX | PTE_EXT_AP_MASK tst r1, #L_PTE_EXEC - orreq r2, r2, #PTE_EXT_XN + orreq r3, r3, #PTE_EXT_XN tst r1, #L_PTE_PRESENT - moveq r2, #0 + moveq r3, #0 - str r2, [r0] + str r3, [r0] mcr p15, 0, r0, c7, c10, 1 @ flush_pte #endif mov pc, lr @@ -156,7 +158,7 @@ ENTRY(cpu_v6_set_pte) cpu_v6_name: - .asciz "Some Random V6 Processor" + .asciz "ARMv6-compatible processor" .align .section ".text.init", #alloc, #execinstr @@ -207,11 +209,6 @@ __v6_setup: #endif mcr p15, 0, r4, c2, c0, 1 @ load TTB1 #endif /* CONFIG_MMU */ -#ifdef CONFIG_VFP - mrc p15, 0, r0, c1, c0, 2 - orr r0, r0, #(0xf << 20) - mcr p15, 0, r0, c1, c0, 2 @ Enable full access to VFP -#endif adr r5, v6_crval ldmia r5, {r5, r6} mrc p15, 0, r0, c1, c0, 0 @ read control register @@ -238,7 +235,7 @@ ENTRY(v6_processor_functions) .word cpu_v6_do_idle .word cpu_v6_dcache_clean_area .word cpu_v6_switch_mm - .word cpu_v6_set_pte + .word cpu_v6_set_pte_ext .size v6_processor_functions, . - v6_processor_functions .type cpu_arch_name, #object @@ -273,7 +270,7 @@ __v6_proc_info: b __v6_setup .long cpu_arch_name .long cpu_elf_name - .long HWCAP_SWP|HWCAP_HALF|HWCAP_THUMB|HWCAP_FAST_MULT|HWCAP_VFP|HWCAP_EDSP|HWCAP_JAVA + .long HWCAP_SWP|HWCAP_HALF|HWCAP_THUMB|HWCAP_FAST_MULT|HWCAP_EDSP|HWCAP_JAVA .long cpu_v6_name .long v6_processor_functions .long v6wbi_tlb_fns diff --git a/arch/arm/mm/proc-xsc3.S b/arch/arm/mm/proc-xsc3.S index 1ef564d0957f5..43494ae8f01af 100644 --- a/arch/arm/mm/proc-xsc3.S +++ b/arch/arm/mm/proc-xsc3.S @@ -357,13 +357,13 @@ ENTRY(cpu_xsc3_switch_mm) cpwait_ret lr, ip /* - * cpu_xsc3_set_pte(ptep, pte) + * cpu_xsc3_set_pte_ext(ptep, pte, ext) * * Set a PTE and flush it out * */ .align 5 -ENTRY(cpu_xsc3_set_pte) +ENTRY(cpu_xsc3_set_pte_ext) str r1, [r0], #-2048 @ linux version bic r2, r1, #0xff0 @ Keep C, B bits @@ -457,7 +457,7 @@ ENTRY(xsc3_processor_functions) .word cpu_xsc3_do_idle .word cpu_xsc3_dcache_clean_area .word cpu_xsc3_switch_mm - .word cpu_xsc3_set_pte + .word cpu_xsc3_set_pte_ext .size xsc3_processor_functions, . - xsc3_processor_functions .section ".rodata" diff --git a/arch/arm/mm/proc-xscale.S b/arch/arm/mm/proc-xscale.S index cc1004b3e5117..490e11b342319 100644 --- a/arch/arm/mm/proc-xscale.S +++ b/arch/arm/mm/proc-xscale.S @@ -421,14 +421,14 @@ ENTRY(cpu_xscale_switch_mm) cpwait_ret lr, ip /* - * cpu_xscale_set_pte(ptep, pte) + * cpu_xscale_set_pte_ext(ptep, pte, ext) * * Set a PTE and flush it out * * Errata 40: must set memory to write-through for user read-only pages. */ .align 5 -ENTRY(cpu_xscale_set_pte) +ENTRY(cpu_xscale_set_pte_ext) str r1, [r0], #-2048 @ linux version bic r2, r1, #0xff0 @@ -529,7 +529,7 @@ ENTRY(xscale_processor_functions) .word cpu_xscale_do_idle .word cpu_xscale_dcache_clean_area .word cpu_xscale_switch_mm - .word cpu_xscale_set_pte + .word cpu_xscale_set_pte_ext .size xscale_processor_functions, . - xscale_processor_functions .section ".rodata" diff --git a/arch/arm/vfp/vfpmodule.c b/arch/arm/vfp/vfpmodule.c index f08eafbddcc1b..e26cc1f599489 100644 --- a/arch/arm/vfp/vfpmodule.c +++ b/arch/arm/vfp/vfpmodule.c @@ -263,13 +263,24 @@ void VFP9_bounce(u32 trigger, u32 fpexc, struct pt_regs *regs) if (exceptions) vfp_raise_exceptions(exceptions, trigger, orig_fpscr, regs); } - + /* * VFP support code initialisation. */ static int __init vfp_init(void) { unsigned int vfpsid; + unsigned int cpu_arch = cpu_architecture(); + u32 access = 0; + + if (cpu_arch >= CPU_ARCH_ARMv6) { + access = get_copro_access(); + + /* + * Enable full access to VFP (cp10 and cp11) + */ + set_copro_access(access | CPACC_FULL(10) | CPACC_FULL(11)); + } /* * First check that there is a VFP that we can use. @@ -281,6 +292,12 @@ static int __init vfp_init(void) printk(KERN_INFO "VFP support v0.3: "); if (VFP_arch) { printk("not present\n"); + + /* + * Restore the copro access register. + */ + if (cpu_arch >= CPU_ARCH_ARMv6) + set_copro_access(access); } else if (vfpsid & FPSID_NODOUBLE) { printk("no double precision support\n"); } else { @@ -291,9 +308,16 @@ static int __init vfp_init(void) (vfpsid & FPSID_PART_MASK) >> FPSID_PART_BIT, (vfpsid & FPSID_VARIANT_MASK) >> FPSID_VARIANT_BIT, (vfpsid & FPSID_REV_MASK) >> FPSID_REV_BIT); + vfp_vector = vfp_support_entry; thread_register_notifier(&vfp_notifier_block); + + /* + * We detected VFP, and the support code is + * in place; report VFP support to userspace. + */ + elf_hwcap |= HWCAP_VFP; } return 0; } diff --git a/arch/arm26/kernel/ecard.c b/arch/arm26/kernel/ecard.c index 43dd41be71fb8..9dbc17247c6fd 100644 --- a/arch/arm26/kernel/ecard.c +++ b/arch/arm26/kernel/ecard.c @@ -215,7 +215,7 @@ int ecard_readchunk(struct in_chunk_dir *cd, ecard_t *ec, int id, int num) } if (c_id(&excd) == 0x80) { /* loader */ if (!ec->loader) { - ec->loader = (loader_t)kmalloc(c_len(&excd), + ec->loader = kmalloc(c_len(&excd), GFP_KERNEL); if (ec->loader) ecard_readbytes(ec->loader, ec, diff --git a/arch/arm26/kernel/irq.c b/arch/arm26/kernel/irq.c index d87d68b77d667..d53382c83bf9f 100644 --- a/arch/arm26/kernel/irq.c +++ b/arch/arm26/kernel/irq.c @@ -545,7 +545,7 @@ int request_irq(unsigned int irq, irqreturn_t (*handler)(int, void *, struct pt_ (irq_flags & IRQF_SHARED && !dev_id)) return -EINVAL; - action = (struct irqaction *)kmalloc(sizeof(struct irqaction), GFP_KERNEL); + action = kmalloc(sizeof(struct irqaction), GFP_KERNEL); if (!action) return -ENOMEM; diff --git a/arch/cris/arch-v10/drivers/axisflashmap.c b/arch/cris/arch-v10/drivers/axisflashmap.c index 4fa81abab0c76..ffade19a14e6f 100644 --- a/arch/cris/arch-v10/drivers/axisflashmap.c +++ b/arch/cris/arch-v10/drivers/axisflashmap.c @@ -516,7 +516,7 @@ static int __init init_axis_flash(void) #else struct mtd_info *mtd_ram; - mtd_ram = (struct mtd_info *)kmalloc(sizeof(struct mtd_info), + mtd_ram = kmalloc(sizeof(struct mtd_info), GFP_KERNEL); if (!mtd_ram) { panic("axisflashmap couldn't allocate memory for " diff --git a/arch/cris/arch-v10/drivers/gpio.c b/arch/cris/arch-v10/drivers/gpio.c index fcba6632ed7b7..9aba18b931ddd 100644 --- a/arch/cris/arch-v10/drivers/gpio.c +++ b/arch/cris/arch-v10/drivers/gpio.c @@ -440,7 +440,7 @@ gpio_open(struct inode *inode, struct file *filp) if (p > GPIO_MINOR_LAST) return -EINVAL; - priv = (struct gpio_private *)kmalloc(sizeof(struct gpio_private), + priv = kmalloc(sizeof(struct gpio_private), GFP_KERNEL); if (!priv) diff --git a/arch/cris/arch-v32/drivers/axisflashmap.c b/arch/cris/arch-v32/drivers/axisflashmap.c index 41952320e00ab..5180d45412fc5 100644 --- a/arch/cris/arch-v32/drivers/axisflashmap.c +++ b/arch/cris/arch-v32/drivers/axisflashmap.c @@ -427,7 +427,7 @@ static int __init init_axis_flash(void) #else struct mtd_info *mtd_ram; - mtd_ram = (struct mtd_info *)kmalloc(sizeof(struct mtd_info), + mtd_ram = kmalloc(sizeof(struct mtd_info), GFP_KERNEL); if (!mtd_ram) { panic("axisflashmap couldn't allocate memory for " diff --git a/arch/cris/arch-v32/drivers/gpio.c b/arch/cris/arch-v32/drivers/gpio.c index c3f876b4da6b4..08d36f0955c67 100644 --- a/arch/cris/arch-v32/drivers/gpio.c +++ b/arch/cris/arch-v32/drivers/gpio.c @@ -423,7 +423,7 @@ gpio_open(struct inode *inode, struct file *filp) if (p > GPIO_MINOR_LAST) return -EINVAL; - priv = (struct gpio_private *)kmalloc(sizeof(struct gpio_private), + priv = kmalloc(sizeof(struct gpio_private), GFP_KERNEL); if (!priv) diff --git a/arch/cris/arch-v32/kernel/signal.c b/arch/cris/arch-v32/kernel/signal.c index 99e59b3eacf8f..7cd6ac8034094 100644 --- a/arch/cris/arch-v32/kernel/signal.c +++ b/arch/cris/arch-v32/kernel/signal.c @@ -686,7 +686,7 @@ keep_debug_flags(unsigned long oldccs, unsigned long oldspc, int __init cris_init_signal(void) { - u16* data = (u16*)kmalloc(PAGE_SIZE, GFP_KERNEL); + u16* data = kmalloc(PAGE_SIZE, GFP_KERNEL); /* This is movu.w __NR_sigreturn, r9; break 13; */ data[0] = 0x9c5f; diff --git a/arch/cris/kernel/profile.c b/arch/cris/kernel/profile.c index 69c52189f0447..f60ab785f235d 100644 --- a/arch/cris/kernel/profile.c +++ b/arch/cris/kernel/profile.c @@ -59,7 +59,7 @@ static int __init init_cris_profile(void) { struct proc_dir_entry *entry; - sample_buffer = (char*)kmalloc(SAMPLE_BUFFER_SIZE, GFP_KERNEL); + sample_buffer = kmalloc(SAMPLE_BUFFER_SIZE, GFP_KERNEL); sample_buffer_pos = sample_buffer; entry = create_proc_entry("system_profile", S_IWUSR | S_IRUGO, NULL); if (entry) { diff --git a/arch/h8300/kernel/ints.c b/arch/h8300/kernel/ints.c index 1bfc77e391d5a..587ef7f4fcc77 100644 --- a/arch/h8300/kernel/ints.c +++ b/arch/h8300/kernel/ints.c @@ -141,7 +141,7 @@ int request_irq(unsigned int irq, return -EBUSY; if (use_kmalloc) - irq_handle = (irq_handler_t *)kmalloc(sizeof(irq_handler_t), GFP_ATOMIC); + irq_handle = kmalloc(sizeof(irq_handler_t), GFP_ATOMIC); else { /* use bootmem allocater */ irq_handle = (irq_handler_t *)alloc_bootmem(sizeof(irq_handler_t)); diff --git a/arch/h8300/platform/h8s/ints.c b/arch/h8300/platform/h8s/ints.c index 270440de4610c..567f681ddfec4 100644 --- a/arch/h8300/platform/h8s/ints.c +++ b/arch/h8300/platform/h8s/ints.c @@ -176,7 +176,7 @@ int request_irq(unsigned int irq, } if (use_kmalloc) - irq_handle = (irq_handler_t *)kmalloc(sizeof(irq_handler_t), GFP_ATOMIC); + irq_handle = kmalloc(sizeof(irq_handler_t), GFP_ATOMIC); else { /* use bootmem allocater */ irq_handle = (irq_handler_t *)alloc_bootmem(sizeof(irq_handler_t)); diff --git a/arch/i386/defconfig b/arch/i386/defconfig index 3265208e58998..e075ff05c46de 100644 --- a/arch/i386/defconfig +++ b/arch/i386/defconfig @@ -1493,8 +1493,6 @@ CONFIG_DEBUG_BUGVERBOSE=y # CONFIG_DEBUG_VM is not set # CONFIG_DEBUG_LIST is not set # CONFIG_FRAME_POINTER is not set -CONFIG_UNWIND_INFO=y -CONFIG_STACK_UNWIND=y # CONFIG_FORCED_INLINING is not set # CONFIG_HEADERS_CHECK is not set # CONFIG_RCU_TORTURE_TEST is not set diff --git a/arch/i386/kernel/apm.c b/arch/i386/kernel/apm.c index a97847da9ed59..b75cff25de4b1 100644 --- a/arch/i386/kernel/apm.c +++ b/arch/i386/kernel/apm.c @@ -1604,7 +1604,7 @@ static int do_open(struct inode * inode, struct file * filp) { struct apm_user * as; - as = (struct apm_user *)kmalloc(sizeof(*as), GFP_KERNEL); + as = kmalloc(sizeof(*as), GFP_KERNEL); if (as == NULL) { printk(KERN_ERR "apm: cannot allocate struct of size %d bytes\n", sizeof(*as)); diff --git a/arch/i386/kernel/entry.S b/arch/i386/kernel/entry.S index de34b7fed3c17..06461b8b715d5 100644 --- a/arch/i386/kernel/entry.S +++ b/arch/i386/kernel/entry.S @@ -979,38 +979,6 @@ ENTRY(spurious_interrupt_bug) jmp error_code CFI_ENDPROC -#ifdef CONFIG_STACK_UNWIND -ENTRY(arch_unwind_init_running) - CFI_STARTPROC - movl 4(%esp), %edx - movl (%esp), %ecx - leal 4(%esp), %eax - movl %ebx, PT_EBX(%edx) - xorl %ebx, %ebx - movl %ebx, PT_ECX(%edx) - movl %ebx, PT_EDX(%edx) - movl %esi, PT_ESI(%edx) - movl %edi, PT_EDI(%edx) - movl %ebp, PT_EBP(%edx) - movl %ebx, PT_EAX(%edx) - movl $__USER_DS, PT_DS(%edx) - movl $__USER_DS, PT_ES(%edx) - movl $0, PT_GS(%edx) - movl %ebx, PT_ORIG_EAX(%edx) - movl %ecx, PT_EIP(%edx) - movl 12(%esp), %ecx - movl $__KERNEL_CS, PT_CS(%edx) - movl %ebx, PT_EFLAGS(%edx) - movl %eax, PT_OLDESP(%edx) - movl 8(%esp), %eax - movl %ecx, 8(%esp) - movl PT_EBX(%edx), %ebx - movl $__KERNEL_DS, PT_OLDSS(%edx) - jmpl *%eax - CFI_ENDPROC -ENDPROC(arch_unwind_init_running) -#endif - ENTRY(kernel_thread_helper) pushl $0 # fake return address for unwinder CFI_STARTPROC diff --git a/arch/i386/kernel/microcode.c b/arch/i386/kernel/microcode.c index 972346604f9d1..47ffec57c0cb2 100644 --- a/arch/i386/kernel/microcode.c +++ b/arch/i386/kernel/microcode.c @@ -1,7 +1,7 @@ /* * Intel CPU Microcode Update Driver for Linux * - * Copyright (C) 2000-2004 Tigran Aivazian + * Copyright (C) 2000-2006 Tigran Aivazian <tigran@aivazian.fsnet.co.uk> * 2006 Shaohua Li <shaohua.li@intel.com> * * This driver allows to upgrade microcode on Intel processors @@ -92,7 +92,7 @@ #include <asm/processor.h> MODULE_DESCRIPTION("Intel CPU (IA-32) Microcode Update Driver"); -MODULE_AUTHOR("Tigran Aivazian <tigran@veritas.com>"); +MODULE_AUTHOR("Tigran Aivazian <tigran@aivazian.fsnet.co.uk>"); MODULE_LICENSE("GPL"); #define MICROCODE_VERSION "1.14a" @@ -752,7 +752,7 @@ static int __init microcode_init (void) register_hotcpu_notifier(&mc_cpu_notifier); printk(KERN_INFO - "IA-32 Microcode Update Driver: v" MICROCODE_VERSION " <tigran@veritas.com>\n"); + "IA-32 Microcode Update Driver: v" MICROCODE_VERSION " <tigran@aivazian.fsnet.co.uk>\n"); return 0; } diff --git a/arch/i386/kernel/smpboot.c b/arch/i386/kernel/smpboot.c index b0f84e5778ad8..aef39be813614 100644 --- a/arch/i386/kernel/smpboot.c +++ b/arch/i386/kernel/smpboot.c @@ -69,9 +69,7 @@ static int __devinitdata smp_b_stepping; /* Number of siblings per CPU package */ int smp_num_siblings = 1; -#ifdef CONFIG_SMP EXPORT_SYMBOL(smp_num_siblings); -#endif /* Last level cache ID of each logical CPU */ int cpu_llc_id[NR_CPUS] __cpuinitdata = {[0 ... NR_CPUS-1] = BAD_APICID}; diff --git a/arch/i386/kernel/traps.c b/arch/i386/kernel/traps.c index 2b30dbf8d1170..0efad8aeb41af 100644 --- a/arch/i386/kernel/traps.c +++ b/arch/i386/kernel/traps.c @@ -94,11 +94,6 @@ asmlinkage void spurious_interrupt_bug(void); asmlinkage void machine_check(void); int kstack_depth_to_print = 24; -#ifdef CONFIG_STACK_UNWIND -static int call_trace = 1; -#else -#define call_trace (-1) -#endif ATOMIC_NOTIFIER_HEAD(i386die_chain); int register_die_notifier(struct notifier_block *nb) @@ -152,33 +147,6 @@ static inline unsigned long print_context_stack(struct thread_info *tinfo, return ebp; } -struct ops_and_data { - struct stacktrace_ops *ops; - void *data; -}; - -static asmlinkage int -dump_trace_unwind(struct unwind_frame_info *info, void *data) -{ - struct ops_and_data *oad = (struct ops_and_data *)data; - int n = 0; - unsigned long sp = UNW_SP(info); - - if (arch_unw_user_mode(info)) - return -1; - while (unwind(info) == 0 && UNW_PC(info)) { - n++; - oad->ops->address(oad->data, UNW_PC(info)); - if (arch_unw_user_mode(info)) - break; - if ((sp & ~(PAGE_SIZE - 1)) == (UNW_SP(info) & ~(PAGE_SIZE - 1)) - && sp > UNW_SP(info)) - break; - sp = UNW_SP(info); - } - return n; -} - #define MSG(msg) ops->warning(data, msg) void dump_trace(struct task_struct *task, struct pt_regs *regs, @@ -190,41 +158,6 @@ void dump_trace(struct task_struct *task, struct pt_regs *regs, if (!task) task = current; - if (call_trace >= 0) { - int unw_ret = 0; - struct unwind_frame_info info; - struct ops_and_data oad = { .ops = ops, .data = data }; - - if (regs) { - if (unwind_init_frame_info(&info, task, regs) == 0) - unw_ret = dump_trace_unwind(&info, &oad); - } else if (task == current) - unw_ret = unwind_init_running(&info, dump_trace_unwind, - &oad); - else { - if (unwind_init_blocked(&info, task) == 0) - unw_ret = dump_trace_unwind(&info, &oad); - } - if (unw_ret > 0) { - if (call_trace == 1 && !arch_unw_user_mode(&info)) { - ops->warning_symbol(data, - "DWARF2 unwinder stuck at %s", - UNW_PC(&info)); - if (UNW_SP(&info) >= PAGE_OFFSET) { - MSG("Leftover inexact backtrace:"); - stack = (void *)UNW_SP(&info); - if (!stack) - return; - ebp = UNW_FP(&info); - } else - MSG("Full inexact backtrace again:"); - } else if (call_trace >= 1) - return; - else - MSG("Full inexact backtrace again:"); - } else - MSG("Inexact backtrace:"); - } if (!stack) { unsigned long dummy; stack = &dummy; @@ -1258,19 +1191,3 @@ static int __init kstack_setup(char *s) return 1; } __setup("kstack=", kstack_setup); - -#ifdef CONFIG_STACK_UNWIND -static int __init call_trace_setup(char *s) -{ - if (strcmp(s, "old") == 0) - call_trace = -1; - else if (strcmp(s, "both") == 0) - call_trace = 0; - else if (strcmp(s, "newfallback") == 0) - call_trace = 1; - else if (strcmp(s, "new") == 2) - call_trace = 2; - return 1; -} -__setup("call_trace=", call_trace_setup); -#endif diff --git a/arch/ia64/sn/kernel/sn2/sn_hwperf.c b/arch/ia64/sn/kernel/sn2/sn_hwperf.c index 462ea178f49ab..33367996d72d5 100644 --- a/arch/ia64/sn/kernel/sn2/sn_hwperf.c +++ b/arch/ia64/sn/kernel/sn2/sn_hwperf.c @@ -189,7 +189,7 @@ static void print_pci_topology(struct seq_file *s) int e; for (sz = PAGE_SIZE; sz < 16 * PAGE_SIZE; sz += PAGE_SIZE) { - if (!(p = (char *)kmalloc(sz, GFP_KERNEL))) + if (!(p = kmalloc(sz, GFP_KERNEL))) break; e = ia64_sn_ioif_get_pci_topology(__pa(p), sz); if (e == SALRET_OK) diff --git a/arch/m68k/mm/kmap.c b/arch/m68k/mm/kmap.c index b54ef1726c557..46b7d6035aaba 100644 --- a/arch/m68k/mm/kmap.c +++ b/arch/m68k/mm/kmap.c @@ -59,7 +59,7 @@ static struct vm_struct *get_io_area(unsigned long size) unsigned long addr; struct vm_struct **p, *tmp, *area; - area = (struct vm_struct *)kmalloc(sizeof(*area), GFP_KERNEL); + area = kmalloc(sizeof(*area), GFP_KERNEL); if (!area) return NULL; addr = KMAP_START; diff --git a/arch/mips/kernel/apm.c b/arch/mips/kernel/apm.c index 528e731049c12..ba16d07588cb8 100644 --- a/arch/mips/kernel/apm.c +++ b/arch/mips/kernel/apm.c @@ -356,7 +356,7 @@ static int apm_open(struct inode * inode, struct file * filp) { struct apm_user *as; - as = (struct apm_user *)kzalloc(sizeof(*as), GFP_KERNEL); + as = kzalloc(sizeof(*as), GFP_KERNEL); if (as) { /* * XXX - this is a tiny bit broken, when we consider BSD diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c index ea2d15370bb72..30245c09d0258 100644 --- a/arch/mips/mm/init.c +++ b/arch/mips/mm/init.c @@ -203,6 +203,31 @@ static inline void kunmap_coherent(struct page *page) preempt_check_resched(); } +void copy_user_highpage(struct page *to, struct page *from, + unsigned long vaddr, struct vm_area_struct *vma) +{ + void *vfrom, *vto; + + vto = kmap_atomic(to, KM_USER1); + if (cpu_has_dc_aliases) { + vfrom = kmap_coherent(from, vaddr); + copy_page(vto, vfrom); + kunmap_coherent(from); + } else { + vfrom = kmap_atomic(from, KM_USER0); + copy_page(vto, vfrom); + kunmap_atomic(vfrom, KM_USER0); + } + if (((vma->vm_flags & VM_EXEC) && !cpu_has_ic_fills_f_dc) || + pages_do_alias((unsigned long)vto, vaddr & PAGE_MASK)) + flush_data_cache_page((unsigned long)vto); + kunmap_atomic(vto, KM_USER1); + /* Make sure this page is cleared on other CPU's too before using it */ + smp_wmb(); +} + +EXPORT_SYMBOL(copy_user_highpage); + void copy_to_user_page(struct vm_area_struct *vma, struct page *page, unsigned long vaddr, void *dst, const void *src, unsigned long len) diff --git a/arch/parisc/hpux/sys_hpux.c b/arch/parisc/hpux/sys_hpux.c index d88309209f568..04c2ff444396b 100644 --- a/arch/parisc/hpux/sys_hpux.c +++ b/arch/parisc/hpux/sys_hpux.c @@ -475,7 +475,7 @@ int hpux_sysfs(int opcode, unsigned long arg1, unsigned long arg2) printk(KERN_DEBUG "len of arg1 = %d\n", len); if (len == 0) return 0; - fsname = (char *) kmalloc(len, GFP_KERNEL); + fsname = kmalloc(len, GFP_KERNEL); if ( !fsname ) { printk(KERN_DEBUG "failed to kmalloc fsname\n"); return 0; diff --git a/arch/parisc/kernel/unwind.c b/arch/parisc/kernel/unwind.c index 920bdbf8404fa..c10ab47d81fab 100644 --- a/arch/parisc/kernel/unwind.c +++ b/arch/parisc/kernel/unwind.c @@ -343,7 +343,7 @@ void unwind_frame_init_from_blocked_task(struct unwind_frame_info *info, struct struct pt_regs *r = &t->thread.regs; struct pt_regs *r2; - r2 = (struct pt_regs *)kmalloc(sizeof(struct pt_regs), GFP_KERNEL); + r2 = kmalloc(sizeof(struct pt_regs), GFP_KERNEL); if (!r2) return; *r2 = *r; diff --git a/arch/powerpc/kernel/nvram_64.c b/arch/powerpc/kernel/nvram_64.c index 6960f090991ed..869cebbba967c 100644 --- a/arch/powerpc/kernel/nvram_64.c +++ b/arch/powerpc/kernel/nvram_64.c @@ -505,7 +505,7 @@ static int nvram_scan_partitions(void) return -ENODEV; total_size = ppc_md.nvram_size(); - header = (char *) kmalloc(NVRAM_HEADER_LEN, GFP_KERNEL); + header = kmalloc(NVRAM_HEADER_LEN, GFP_KERNEL); if (!header) { printk(KERN_ERR "nvram_scan_partitions: Failed kmalloc\n"); return -ENOMEM; @@ -574,7 +574,7 @@ static int __init nvram_init(void) } /* initialize our anchor for the nvram partition list */ - nvram_part = (struct nvram_partition *) kmalloc(sizeof(struct nvram_partition), GFP_KERNEL); + nvram_part = kmalloc(sizeof(struct nvram_partition), GFP_KERNEL); if (!nvram_part) { printk(KERN_ERR "nvram_init: Failed kmalloc\n"); return -ENOMEM; diff --git a/arch/powerpc/kernel/pci_32.c b/arch/powerpc/kernel/pci_32.c index 8336deafc624f..2847cd51a2d7c 100644 --- a/arch/powerpc/kernel/pci_32.c +++ b/arch/powerpc/kernel/pci_32.c @@ -670,7 +670,7 @@ pcibios_make_OF_bus_map(void) struct pci_controller* hose; struct property *map_prop; - pci_to_OF_bus_map = (u8*)kmalloc(pci_bus_count, GFP_KERNEL); + pci_to_OF_bus_map = kmalloc(pci_bus_count, GFP_KERNEL); if (!pci_to_OF_bus_map) { printk(KERN_ERR "Can't allocate OF bus map !\n"); return; diff --git a/arch/powerpc/mm/imalloc.c b/arch/powerpc/mm/imalloc.c index add8c1a9af68a..c831815c31f0e 100644 --- a/arch/powerpc/mm/imalloc.c +++ b/arch/powerpc/mm/imalloc.c @@ -138,7 +138,7 @@ static struct vm_struct * split_im_region(unsigned long v_addr, struct vm_struct *vm2 = NULL; struct vm_struct *new_vm = NULL; - vm1 = (struct vm_struct *) kmalloc(sizeof(*vm1), GFP_KERNEL); + vm1 = kmalloc(sizeof(*vm1), GFP_KERNEL); if (vm1 == NULL) { printk(KERN_ERR "%s() out of memory\n", __FUNCTION__); return NULL; @@ -172,7 +172,7 @@ static struct vm_struct * split_im_region(unsigned long v_addr, * uppermost remainder, and use existing parent one for the * lower remainder of parent range */ - vm2 = (struct vm_struct *) kmalloc(sizeof(*vm2), GFP_KERNEL); + vm2 = kmalloc(sizeof(*vm2), GFP_KERNEL); if (vm2 == NULL) { printk(KERN_ERR "%s() out of memory\n", __FUNCTION__); kfree(vm1); @@ -206,7 +206,7 @@ static struct vm_struct * __add_new_im_area(unsigned long req_addr, break; } - area = (struct vm_struct *) kmalloc(sizeof(*area), GFP_KERNEL); + area = kmalloc(sizeof(*area), GFP_KERNEL); if (!area) return NULL; area->flags = 0; diff --git a/arch/powerpc/platforms/pseries/eeh_cache.c b/arch/powerpc/platforms/pseries/eeh_cache.c index b6b462d3c6046..f2bae04424f8a 100644 --- a/arch/powerpc/platforms/pseries/eeh_cache.c +++ b/arch/powerpc/platforms/pseries/eeh_cache.c @@ -153,7 +153,7 @@ pci_addr_cache_insert(struct pci_dev *dev, unsigned long alo, return piar; } } - piar = (struct pci_io_addr_range *)kmalloc(sizeof(struct pci_io_addr_range), GFP_ATOMIC); + piar = kmalloc(sizeof(struct pci_io_addr_range), GFP_ATOMIC); if (!piar) return NULL; diff --git a/arch/ppc/8260_io/fcc_enet.c b/arch/ppc/8260_io/fcc_enet.c index 709952c25f294..06b84c372e58d 100644 --- a/arch/ppc/8260_io/fcc_enet.c +++ b/arch/ppc/8260_io/fcc_enet.c @@ -1892,10 +1892,10 @@ init_fcc_param(fcc_info_t *fip, struct net_device *dev, /* Allocate space for the buffer descriptors from regular memory. * Initialize base addresses for the buffer descriptors. */ - cep->rx_bd_base = (cbd_t *)kmalloc(sizeof(cbd_t) * RX_RING_SIZE, + cep->rx_bd_base = kmalloc(sizeof(cbd_t) * RX_RING_SIZE, GFP_KERNEL | GFP_DMA); ep->fen_genfcc.fcc_rbase = __pa(cep->rx_bd_base); - cep->tx_bd_base = (cbd_t *)kmalloc(sizeof(cbd_t) * TX_RING_SIZE, + cep->tx_bd_base = kmalloc(sizeof(cbd_t) * TX_RING_SIZE, GFP_KERNEL | GFP_DMA); ep->fen_genfcc.fcc_tbase = __pa(cep->tx_bd_base); diff --git a/arch/ppc/8xx_io/cs4218_tdm.c b/arch/ppc/8xx_io/cs4218_tdm.c index c71ef3c2e7bf4..b7bb5f0b3c5f6 100644 --- a/arch/ppc/8xx_io/cs4218_tdm.c +++ b/arch/ppc/8xx_io/cs4218_tdm.c @@ -2601,7 +2601,7 @@ int __init tdm8xx_sound_init(void) /* Initialize beep stuff */ orig_mksound = kd_mksound; kd_mksound = cs_mksound; - beep_buf = (short *) kmalloc(BEEP_BUFLEN * 4, GFP_KERNEL); + beep_buf = kmalloc(BEEP_BUFLEN * 4, GFP_KERNEL); if (beep_buf == NULL) printk(KERN_WARNING "dmasound: no memory for " "beep buffer\n"); diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index ff690564edbd3..12272361c018c 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -407,7 +407,7 @@ config APPLDATA_BASE config APPLDATA_MEM tristate "Monitor memory management statistics" - depends on APPLDATA_BASE + depends on APPLDATA_BASE && VM_EVENT_COUNTERS help This provides memory management related data to the Linux - VM Monitor Stream, like paging/swapping rate, memory utilisation, etc. diff --git a/arch/s390/defconfig b/arch/s390/defconfig index a6ec919ba83f1..5368cf4a350e8 100644 --- a/arch/s390/defconfig +++ b/arch/s390/defconfig @@ -1,14 +1,15 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.19-rc2 -# Wed Oct 18 17:11:10 2006 +# Linux kernel version: 2.6.20-rc1 +# Fri Dec 15 16:52:28 2006 # CONFIG_MMU=y CONFIG_LOCKDEP_SUPPORT=y CONFIG_STACKTRACE_SUPPORT=y CONFIG_RWSEM_XCHGADD_ALGORITHM=y +# CONFIG_ARCH_HAS_ILOG2_U32 is not set +# CONFIG_ARCH_HAS_ILOG2_U64 is not set CONFIG_GENERIC_HWEIGHT=y -CONFIG_GENERIC_CALIBRATE_DELAY=y CONFIG_GENERIC_TIME=y CONFIG_S390=y CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" @@ -37,12 +38,13 @@ CONFIG_AUDIT=y CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y # CONFIG_CPUSETS is not set +CONFIG_SYSFS_DEPRECATED=y # CONFIG_RELAY is not set CONFIG_INITRAMFS_SOURCE="" # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set CONFIG_SYSCTL=y # CONFIG_EMBEDDED is not set -# CONFIG_SYSCTL_SYSCALL is not set +CONFIG_SYSCTL_SYSCALL=y CONFIG_KALLSYMS=y # CONFIG_KALLSYMS_ALL is not set # CONFIG_KALLSYMS_EXTRA_PASS is not set @@ -119,6 +121,7 @@ CONFIG_PACK_STACK=y CONFIG_CHECK_STACK=y CONFIG_STACK_GUARD=256 # CONFIG_WARN_STACK is not set +CONFIG_ARCH_POPULATES_NODE_MAP=y CONFIG_SELECT_MEMORY_MODEL=y CONFIG_FLATMEM_MANUAL=y # CONFIG_DISCONTIGMEM_MANUAL is not set @@ -128,6 +131,7 @@ CONFIG_FLAT_NODE_MEM_MAP=y # CONFIG_SPARSEMEM_STATIC is not set CONFIG_SPLIT_PTLOCK_CPUS=4 CONFIG_RESOURCES_64BIT=y +CONFIG_HOLES_IN_ZONE=y # # I/O subsystem configuration @@ -196,6 +200,7 @@ CONFIG_INET_TCP_DIAG=y # CONFIG_TCP_CONG_ADVANCED is not set CONFIG_TCP_CONG_CUBIC=y CONFIG_DEFAULT_TCP_CONG="cubic" +# CONFIG_TCP_MD5SIG is not set CONFIG_IPV6=y # CONFIG_IPV6_PRIVACY is not set # CONFIG_IPV6_ROUTER_PREF is not set @@ -211,7 +216,6 @@ CONFIG_INET6_XFRM_MODE_BEET=y # CONFIG_INET6_XFRM_MODE_ROUTEOPTIMIZATION is not set CONFIG_IPV6_SIT=y # CONFIG_IPV6_TUNNEL is not set -# CONFIG_IPV6_SUBTREES is not set # CONFIG_IPV6_MULTIPLE_TABLES is not set # CONFIG_NETWORK_SECMARK is not set # CONFIG_NETFILTER is not set @@ -246,6 +250,7 @@ CONFIG_IPV6_SIT=y # QoS and/or fair queueing # CONFIG_NET_SCHED=y +CONFIG_NET_SCH_FIFO=y CONFIG_NET_SCH_CLK_JIFFIES=y # CONFIG_NET_SCH_CLK_GETTIMEOFDAY is not set # CONFIG_NET_SCH_CLK_CPU is not set @@ -277,6 +282,7 @@ CONFIG_NET_CLS_ROUTE=y CONFIG_NET_CLS_FW=m CONFIG_NET_CLS_U32=m # CONFIG_CLS_U32_PERF is not set +CONFIG_CLS_U32_MARK=y CONFIG_NET_CLS_RSVP=m CONFIG_NET_CLS_RSVP6=m # CONFIG_NET_EMATCH is not set @@ -315,6 +321,7 @@ CONFIG_SYS_HYPERVISOR=y # # CONFIG_RAID_ATTRS is not set CONFIG_SCSI=y +# CONFIG_SCSI_TGT is not set CONFIG_SCSI_NETLINK=y CONFIG_SCSI_PROC_FS=y @@ -335,6 +342,7 @@ CONFIG_CHR_DEV_SG=y CONFIG_SCSI_MULTI_LUN=y CONFIG_SCSI_CONSTANTS=y CONFIG_SCSI_LOGGING=y +CONFIG_SCSI_SCAN_ASYNC=y # # SCSI Transports @@ -546,6 +554,7 @@ CONFIG_DNOTIFY=y # CONFIG_AUTOFS_FS is not set # CONFIG_AUTOFS4_FS is not set # CONFIG_FUSE_FS is not set +CONFIG_GENERIC_ACL=y # # CD-ROM/DVD Filesystems @@ -571,7 +580,7 @@ CONFIG_TMPFS=y CONFIG_TMPFS_POSIX_ACL=y # CONFIG_HUGETLB_PAGE is not set CONFIG_RAMFS=y -# CONFIG_CONFIGFS_FS is not set +CONFIG_CONFIGFS_FS=m # # Miscellaneous filesystems @@ -616,7 +625,6 @@ CONFIG_SUNRPC=y # CONFIG_CODA_FS is not set # CONFIG_AFS_FS is not set # CONFIG_9P_FS is not set -CONFIG_GENERIC_ACL=y # # Partition Types @@ -646,6 +654,14 @@ CONFIG_MSDOS_PARTITION=y # CONFIG_NLS is not set # +# Distributed Lock Manager +# +CONFIG_DLM=m +CONFIG_DLM_TCP=y +# CONFIG_DLM_SCTP is not set +# CONFIG_DLM_DEBUG is not set + +# # Instrumentation Support # @@ -663,6 +679,8 @@ CONFIG_TRACE_IRQFLAGS_SUPPORT=y CONFIG_ENABLE_MUST_CHECK=y CONFIG_MAGIC_SYSRQ=y # CONFIG_UNUSED_SYMBOLS is not set +CONFIG_DEBUG_FS=y +CONFIG_HEADERS_CHECK=y CONFIG_DEBUG_KERNEL=y CONFIG_LOG_BUF_SHIFT=17 # CONFIG_SCHEDSTATS is not set @@ -679,13 +697,11 @@ CONFIG_DEBUG_SPINLOCK_SLEEP=y # CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set # CONFIG_DEBUG_KOBJECT is not set # CONFIG_DEBUG_INFO is not set -CONFIG_DEBUG_FS=y # CONFIG_DEBUG_VM is not set # CONFIG_DEBUG_LIST is not set # CONFIG_FRAME_POINTER is not set # CONFIG_UNWIND_INFO is not set CONFIG_FORCED_INLINING=y -CONFIG_HEADERS_CHECK=y # CONFIG_RCU_TORTURE_TEST is not set # CONFIG_LKDTM is not set @@ -699,10 +715,11 @@ CONFIG_HEADERS_CHECK=y # Cryptographic options # CONFIG_CRYPTO=y -CONFIG_CRYPTO_ALGAPI=m -CONFIG_CRYPTO_BLKCIPHER=m -CONFIG_CRYPTO_MANAGER=m +CONFIG_CRYPTO_ALGAPI=y +CONFIG_CRYPTO_BLKCIPHER=y +CONFIG_CRYPTO_MANAGER=y # CONFIG_CRYPTO_HMAC is not set +# CONFIG_CRYPTO_XCBC is not set # CONFIG_CRYPTO_NULL is not set # CONFIG_CRYPTO_MD4 is not set # CONFIG_CRYPTO_MD5 is not set @@ -713,8 +730,10 @@ CONFIG_CRYPTO_MANAGER=m # CONFIG_CRYPTO_SHA512 is not set # CONFIG_CRYPTO_WP512 is not set # CONFIG_CRYPTO_TGR192 is not set +# CONFIG_CRYPTO_GF128MUL is not set CONFIG_CRYPTO_ECB=m -CONFIG_CRYPTO_CBC=m +CONFIG_CRYPTO_CBC=y +# CONFIG_CRYPTO_LRW is not set # CONFIG_CRYPTO_DES is not set # CONFIG_CRYPTO_DES_S390 is not set # CONFIG_CRYPTO_BLOWFISH is not set @@ -740,8 +759,10 @@ CONFIG_CRYPTO_CBC=m # # Library routines # +CONFIG_BITREVERSE=m # CONFIG_CRC_CCITT is not set # CONFIG_CRC16 is not set CONFIG_CRC32=m # CONFIG_LIBCRC32C is not set CONFIG_PLIST=y +CONFIG_IOMAP_COPY=y diff --git a/arch/s390/hypfs/hypfs_diag.c b/arch/s390/hypfs/hypfs_diag.c index 443fa377d9ff8..2782cf9da5b47 100644 --- a/arch/s390/hypfs/hypfs_diag.c +++ b/arch/s390/hypfs/hypfs_diag.c @@ -379,7 +379,7 @@ static void *diag204_alloc_vbuf(int pages) static void *diag204_alloc_rbuf(void) { diag204_buf = (void*)__get_free_pages(GFP_KERNEL,0); - if (diag204_buf) + if (!diag204_buf) return ERR_PTR(-ENOMEM); diag204_buf_pages = 1; return diag204_buf; @@ -521,7 +521,7 @@ __init int hypfs_diag_init(void) } rc = diag224_get_name_table(); if (rc) { - diag224_delete_name_table(); + diag204_free_buffer(); printk(KERN_ERR "hypfs: could not get name table.\n"); } return rc; diff --git a/arch/s390/kernel/debug.c b/arch/s390/kernel/debug.c index ef5266fbce621..bb57bc0e3fc8d 100644 --- a/arch/s390/kernel/debug.c +++ b/arch/s390/kernel/debug.c @@ -191,13 +191,13 @@ debug_areas_alloc(int pages_per_area, int nr_areas) debug_entry_t*** areas; int i,j; - areas = (debug_entry_t ***) kmalloc(nr_areas * + areas = kmalloc(nr_areas * sizeof(debug_entry_t**), GFP_KERNEL); if (!areas) goto fail_malloc_areas; for (i = 0; i < nr_areas; i++) { - areas[i] = (debug_entry_t**) kmalloc(pages_per_area * + areas[i] = kmalloc(pages_per_area * sizeof(debug_entry_t*),GFP_KERNEL); if (!areas[i]) { goto fail_malloc_areas2; @@ -242,7 +242,7 @@ debug_info_alloc(char *name, int pages_per_area, int nr_areas, int buf_size, /* alloc everything */ - rc = (debug_info_t*) kmalloc(sizeof(debug_info_t), GFP_KERNEL); + rc = kmalloc(sizeof(debug_info_t), GFP_KERNEL); if(!rc) goto fail_malloc_rc; rc->active_entries = kcalloc(nr_areas, sizeof(int), GFP_KERNEL); @@ -634,7 +634,7 @@ found: rc = -ENOMEM; goto out; } - p_info = (file_private_info_t *) kmalloc(sizeof(file_private_info_t), + p_info = kmalloc(sizeof(file_private_info_t), GFP_KERNEL); if(!p_info){ if(debug_info_snapshot) diff --git a/arch/s390/kernel/ipl.c b/arch/s390/kernel/ipl.c index a36bea1188d92..9e9972e8a52b6 100644 --- a/arch/s390/kernel/ipl.c +++ b/arch/s390/kernel/ipl.c @@ -609,42 +609,12 @@ static ssize_t on_panic_store(struct subsystem *subsys, const char *buf, static struct subsys_attribute on_panic_attr = __ATTR(on_panic, 0644, on_panic_show, on_panic_store); -static void print_fcp_block(struct ipl_parameter_block *fcp_block) -{ - printk(KERN_EMERG "wwpn: %016llx\n", - (unsigned long long)fcp_block->ipl_info.fcp.wwpn); - printk(KERN_EMERG "lun: %016llx\n", - (unsigned long long)fcp_block->ipl_info.fcp.lun); - printk(KERN_EMERG "bootprog: %lld\n", - (unsigned long long)fcp_block->ipl_info.fcp.bootprog); - printk(KERN_EMERG "br_lba: %lld\n", - (unsigned long long)fcp_block->ipl_info.fcp.br_lba); - printk(KERN_EMERG "device: %llx\n", - (unsigned long long)fcp_block->ipl_info.fcp.devno); - printk(KERN_EMERG "opt: %x\n", fcp_block->ipl_info.fcp.opt); -} - void do_reipl(void) { struct ccw_dev_id devid; static char buf[100]; char loadparm[LOADPARM_LEN + 1]; - switch (reipl_type) { - case IPL_TYPE_CCW: - reipl_get_ascii_loadparm(loadparm); - printk(KERN_EMERG "reboot on ccw device: 0.0.%04x\n", - reipl_block_ccw->ipl_info.ccw.devno); - printk(KERN_EMERG "loadparm = '%s'\n", loadparm); - break; - case IPL_TYPE_FCP: - printk(KERN_EMERG "reboot on fcp device:\n"); - print_fcp_block(reipl_block_fcp); - break; - default: - break; - } - switch (reipl_method) { case IPL_METHOD_CCW_CIO: devid.devno = reipl_block_ccw->ipl_info.ccw.devno; @@ -654,6 +624,7 @@ void do_reipl(void) reipl_ccw_dev(&devid); break; case IPL_METHOD_CCW_VM: + reipl_get_ascii_loadparm(loadparm); if (strlen(loadparm) == 0) sprintf(buf, "IPL %X", reipl_block_ccw->ipl_info.ccw.devno); @@ -683,7 +654,6 @@ void do_reipl(void) diag308(DIAG308_IPL, NULL); break; } - printk(KERN_EMERG "reboot failed!\n"); signal_processor(smp_processor_id(), sigp_stop_and_store_status); } @@ -692,19 +662,6 @@ static void do_dump(void) struct ccw_dev_id devid; static char buf[100]; - switch (dump_type) { - case IPL_TYPE_CCW: - printk(KERN_EMERG "Automatic dump on ccw device: 0.0.%04x\n", - dump_block_ccw->ipl_info.ccw.devno); - break; - case IPL_TYPE_FCP: - printk(KERN_EMERG "Automatic dump on fcp device:\n"); - print_fcp_block(dump_block_fcp); - break; - default: - return; - } - switch (dump_method) { case IPL_METHOD_CCW_CIO: smp_send_stop(); @@ -1037,15 +994,21 @@ static void do_reset_calls(void) } extern void reset_mcck_handler(void); +extern void reset_pgm_handler(void); +extern __u32 dump_prefix_page; void s390_reset_system(void) { struct _lowcore *lc; - /* Stack for interrupt/machine check handler */ lc = (struct _lowcore *)(unsigned long) store_prefix(); + + /* Stack for interrupt/machine check handler */ lc->panic_stack = S390_lowcore.panic_stack; + /* Save prefix page address for dump case */ + dump_prefix_page = (unsigned long) lc; + /* Disable prefixing */ set_prefix(0); @@ -1056,5 +1019,11 @@ void s390_reset_system(void) S390_lowcore.mcck_new_psw.mask = PSW_KERNEL_BITS & ~PSW_MASK_MCHECK; S390_lowcore.mcck_new_psw.addr = PSW_ADDR_AMODE | (unsigned long) &reset_mcck_handler; + + /* Set new program check handler */ + S390_lowcore.program_new_psw.mask = PSW_KERNEL_BITS & ~PSW_MASK_MCHECK; + S390_lowcore.program_new_psw.addr = + PSW_ADDR_AMODE | (unsigned long) &reset_pgm_handler; + do_reset_calls(); } diff --git a/arch/s390/kernel/reipl.S b/arch/s390/kernel/reipl.S index f9434d42ce9f6..c3f4d9b950836 100644 --- a/arch/s390/kernel/reipl.S +++ b/arch/s390/kernel/reipl.S @@ -16,7 +16,7 @@ do_reipl_asm: basr %r13,0 stm %r0,%r15,__LC_GPREGS_SAVE_AREA stctl %c0,%c15,__LC_CREGS_SAVE_AREA stam %a0,%a15,__LC_AREGS_SAVE_AREA - stpx __LC_PREFIX_SAVE_AREA + mvc __LC_PREFIX_SAVE_AREA(4),dump_prefix_page-.Lpg0(%r13) stckc .Lclkcmp-.Lpg0(%r13) mvc __LC_CLOCK_COMP_SAVE_AREA(8),.Lclkcmp-.Lpg0(%r13) stpt __LC_CPU_TIMER_SAVE_AREA @@ -79,3 +79,7 @@ do_reipl_asm: basr %r13,0 .long 0x00000000,0x00000000 .long 0x00000000,0x00000000 .long 0x00000000,0x00000000 + .globl dump_prefix_page +dump_prefix_page: + .long 0x00000000 + diff --git a/arch/s390/kernel/reipl64.S b/arch/s390/kernel/reipl64.S index f18ef260ca237..dbb3eed38865f 100644 --- a/arch/s390/kernel/reipl64.S +++ b/arch/s390/kernel/reipl64.S @@ -20,7 +20,7 @@ do_reipl_asm: basr %r13,0 stg %r0,__LC_GPREGS_SAVE_AREA-0x1000+8(%r1) stctg %c0,%c15,__LC_CREGS_SAVE_AREA-0x1000(%r1) stam %a0,%a15,__LC_AREGS_SAVE_AREA-0x1000(%r1) - stpx __LC_PREFIX_SAVE_AREA-0x1000(%r1) + mvc __LC_PREFIX_SAVE_AREA-0x1000(4,%r1),dump_prefix_page-.Lpg0(%r13) stfpc __LC_FP_CREG_SAVE_AREA-0x1000(%r1) stckc .Lclkcmp-.Lpg0(%r13) mvc __LC_CLOCK_COMP_SAVE_AREA-0x1000(8,%r1),.Lclkcmp-.Lpg0(%r13) @@ -103,3 +103,6 @@ do_reipl_asm: basr %r13,0 .long 0x00000000,0x00000000 .long 0x00000000,0x00000000 .long 0x00000000,0x00000000 + .globl dump_prefix_page +dump_prefix_page: + .long 0x00000000 diff --git a/arch/s390/kernel/reset.S b/arch/s390/kernel/reset.S index be8688c0665c5..8a87355161fa5 100644 --- a/arch/s390/kernel/reset.S +++ b/arch/s390/kernel/reset.S @@ -3,6 +3,7 @@ * * Copyright (C) IBM Corp. 2006 * Author(s): Heiko Carstens <heiko.carstens@de.ibm.com> + * Michael Holzheu <holzheu@de.ibm.com> */ #include <asm/ptrace.h> @@ -27,6 +28,26 @@ reset_mcck_handler: s390_reset_mcck_handler: .quad 0 + .globl reset_pgm_handler +reset_pgm_handler: + stmg %r0,%r15,__LC_SAVE_AREA + basr %r13,0 +0: lg %r15,__LC_PANIC_STACK # load panic stack + aghi %r15,-STACK_FRAME_OVERHEAD + lg %r1,s390_reset_pgm_handler-0b(%r13) + ltgr %r1,%r1 + jz 1f + basr %r14,%r1 + lmg %r0,%r15,__LC_SAVE_AREA + lpswe __LC_PGM_OLD_PSW +1: lpswe disabled_wait_psw-0b(%r13) + .globl s390_reset_pgm_handler +s390_reset_pgm_handler: + .quad 0 + .align 8 +disabled_wait_psw: + .quad 0x0002000180000000,0x0000000000000000 + reset_pgm_handler + #else /* CONFIG_64BIT */ .globl reset_mcck_handler @@ -45,4 +66,25 @@ reset_mcck_handler: s390_reset_mcck_handler: .long 0 + .globl reset_pgm_handler +reset_pgm_handler: + stm %r0,%r15,__LC_SAVE_AREA + basr %r13,0 +0: l %r15,__LC_PANIC_STACK # load panic stack + ahi %r15,-STACK_FRAME_OVERHEAD + l %r1,s390_reset_pgm_handler-0b(%r13) + ltr %r1,%r1 + jz 1f + basr %r14,%r1 + lm %r0,%r15,__LC_SAVE_AREA + lpsw __LC_PGM_OLD_PSW + +1: lpsw disabled_wait_psw-0b(%r13) + .globl s390_reset_pgm_handler +s390_reset_pgm_handler: + .long 0 +disabled_wait_psw: + .align 8 + .long 0x000a0000,0x00000000 + reset_pgm_handler + #endif /* CONFIG_64BIT */ diff --git a/arch/s390/kernel/s390_ext.c b/arch/s390/kernel/s390_ext.c index 4faf96f8a8341..bc5beaa8f98e1 100644 --- a/arch/s390/kernel/s390_ext.c +++ b/arch/s390/kernel/s390_ext.c @@ -37,7 +37,7 @@ int register_external_interrupt(__u16 code, ext_int_handler_t handler) ext_int_info_t *p; int index; - p = (ext_int_info_t *) kmalloc(sizeof(ext_int_info_t), GFP_ATOMIC); + p = kmalloc(sizeof(ext_int_info_t), GFP_ATOMIC); if (p == NULL) return -ENOMEM; p->code = code; diff --git a/arch/sparc/defconfig b/arch/sparc/defconfig index a69856263009f..79e54894529da 100644 --- a/arch/sparc/defconfig +++ b/arch/sparc/defconfig @@ -1,41 +1,59 @@ # # Automatically generated make config: don't edit +# Linux kernel version: 2.6.20-rc1 +# Sun Dec 17 14:20:47 2006 # CONFIG_MMU=y -CONFIG_UID16=y CONFIG_HIGHMEM=y CONFIG_GENERIC_ISA_DMA=y +CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" # # Code maturity level options # CONFIG_EXPERIMENTAL=y -CONFIG_CLEAN_COMPILE=y -CONFIG_STANDALONE=y CONFIG_BROKEN_ON_SMP=y +CONFIG_INIT_ENV_ARG_LIMIT=32 # # General setup # +CONFIG_LOCALVERSION="" +CONFIG_LOCALVERSION_AUTO=y CONFIG_SWAP=y CONFIG_SYSVIPC=y +# CONFIG_IPC_NS is not set CONFIG_POSIX_MQUEUE=y # CONFIG_BSD_PROCESS_ACCT is not set -CONFIG_SYSCTL=y +# CONFIG_TASKSTATS is not set +# CONFIG_UTS_NS is not set # CONFIG_AUDIT is not set -CONFIG_LOG_BUF_SHIFT=14 -# CONFIG_HOTPLUG is not set # CONFIG_IKCONFIG is not set +CONFIG_SYSFS_DEPRECATED=y +# CONFIG_RELAY is not set +CONFIG_INITRAMFS_SOURCE="" +# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set +CONFIG_SYSCTL=y # CONFIG_EMBEDDED is not set +CONFIG_UID16=y +CONFIG_SYSCTL_SYSCALL=y CONFIG_KALLSYMS=y # CONFIG_KALLSYMS_ALL is not set +# CONFIG_KALLSYMS_EXTRA_PASS is not set +CONFIG_HOTPLUG=y +CONFIG_PRINTK=y +CONFIG_BUG=y +CONFIG_ELF_CORE=y +CONFIG_BASE_FULL=y CONFIG_FUTEX=y CONFIG_EPOLL=y -CONFIG_IOSCHED_NOOP=y -CONFIG_IOSCHED_AS=y -CONFIG_IOSCHED_DEADLINE=y -CONFIG_IOSCHED_CFQ=y -# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set +CONFIG_SHMEM=y +CONFIG_SLAB=y +CONFIG_VM_EVENT_COUNTERS=y +CONFIG_RT_MUTEXES=y +# CONFIG_TINY_SHMEM is not set +CONFIG_BASE_SMALL=0 +# CONFIG_SLOB is not set # # Loadable module support @@ -43,17 +61,36 @@ CONFIG_IOSCHED_CFQ=y CONFIG_MODULES=y CONFIG_MODULE_UNLOAD=y # CONFIG_MODULE_FORCE_UNLOAD is not set -CONFIG_OBSOLETE_MODPARM=y # CONFIG_MODVERSIONS is not set +# CONFIG_MODULE_SRCVERSION_ALL is not set CONFIG_KMOD=y # -# General setup +# Block layer +# +CONFIG_BLOCK=y +# CONFIG_LBD is not set +# CONFIG_BLK_DEV_IO_TRACE is not set +# CONFIG_LSF is not set + +# +# IO Schedulers +# +CONFIG_IOSCHED_NOOP=y +CONFIG_IOSCHED_AS=y +CONFIG_IOSCHED_DEADLINE=y +CONFIG_IOSCHED_CFQ=y +# CONFIG_DEFAULT_AS is not set +# CONFIG_DEFAULT_DEADLINE is not set +CONFIG_DEFAULT_CFQ=y +# CONFIG_DEFAULT_NOOP is not set +CONFIG_DEFAULT_IOSCHED="cfq" + +# +# General machine setup # -CONFIG_VT=y -CONFIG_VT_CONSOLE=y -CONFIG_HW_CONSOLE=y # CONFIG_SMP is not set +CONFIG_SPARC=y CONFIG_SPARC32=y CONFIG_SBUS=y CONFIG_SBUSCHAR=y @@ -61,73 +98,170 @@ CONFIG_SERIAL_CONSOLE=y CONFIG_SUN_AUXIO=y CONFIG_SUN_IO=y CONFIG_RWSEM_GENERIC_SPINLOCK=y +CONFIG_GENERIC_FIND_NEXT_BIT=y +CONFIG_GENERIC_HWEIGHT=y +CONFIG_GENERIC_CALIBRATE_DELAY=y +CONFIG_ARCH_MAY_HAVE_PC_FDC=y +# CONFIG_ARCH_HAS_ILOG2_U32 is not set +# CONFIG_ARCH_HAS_ILOG2_U64 is not set CONFIG_SUN_PM=y # CONFIG_SUN4 is not set CONFIG_PCI=y -# CONFIG_PCI_LEGACY_PROC is not set -# CONFIG_PCI_NAMES is not set +# CONFIG_PCI_MULTITHREAD_PROBE is not set +# CONFIG_PCI_DEBUG is not set CONFIG_SUN_OPENPROMFS=m +# CONFIG_SPARC_LED is not set CONFIG_BINFMT_ELF=y CONFIG_BINFMT_AOUT=y CONFIG_BINFMT_MISC=m CONFIG_SUNOS_EMUL=y +CONFIG_SELECT_MEMORY_MODEL=y +CONFIG_FLATMEM_MANUAL=y +# CONFIG_DISCONTIGMEM_MANUAL is not set +# CONFIG_SPARSEMEM_MANUAL is not set +CONFIG_FLATMEM=y +CONFIG_FLAT_NODE_MEM_MAP=y +# CONFIG_SPARSEMEM_STATIC is not set +CONFIG_SPLIT_PTLOCK_CPUS=4 +# CONFIG_RESOURCES_64BIT is not set # -# Parallel port support +# Networking # -# CONFIG_PARPORT is not set +CONFIG_NET=y # -# Generic Driver Options +# Networking options # -# CONFIG_DEBUG_DRIVER is not set +# CONFIG_NETDEBUG is not set +CONFIG_PACKET=y +# CONFIG_PACKET_MMAP is not set +CONFIG_UNIX=y +CONFIG_XFRM=y +CONFIG_XFRM_USER=m +# CONFIG_XFRM_SUB_POLICY is not set +CONFIG_NET_KEY=m +CONFIG_INET=y +# CONFIG_IP_MULTICAST is not set +# CONFIG_IP_ADVANCED_ROUTER is not set +CONFIG_IP_FIB_HASH=y +CONFIG_IP_PNP=y +CONFIG_IP_PNP_DHCP=y +# CONFIG_IP_PNP_BOOTP is not set +# CONFIG_IP_PNP_RARP is not set +# CONFIG_NET_IPIP is not set +# CONFIG_NET_IPGRE is not set +# CONFIG_ARPD is not set +# CONFIG_SYN_COOKIES is not set +CONFIG_INET_AH=y +CONFIG_INET_ESP=y +CONFIG_INET_IPCOMP=y +CONFIG_INET_XFRM_TUNNEL=y +CONFIG_INET_TUNNEL=y +CONFIG_INET_XFRM_MODE_TRANSPORT=y +CONFIG_INET_XFRM_MODE_TUNNEL=y +CONFIG_INET_XFRM_MODE_BEET=y +CONFIG_INET_DIAG=y +CONFIG_INET_TCP_DIAG=y +# CONFIG_TCP_CONG_ADVANCED is not set +CONFIG_TCP_CONG_CUBIC=y +CONFIG_DEFAULT_TCP_CONG="cubic" +# CONFIG_TCP_MD5SIG is not set +CONFIG_IPV6=m +CONFIG_IPV6_PRIVACY=y +# CONFIG_IPV6_ROUTER_PREF is not set +CONFIG_INET6_AH=m +CONFIG_INET6_ESP=m +CONFIG_INET6_IPCOMP=m +# CONFIG_IPV6_MIP6 is not set +CONFIG_INET6_XFRM_TUNNEL=m +CONFIG_INET6_TUNNEL=m +CONFIG_INET6_XFRM_MODE_TRANSPORT=m +CONFIG_INET6_XFRM_MODE_TUNNEL=m +CONFIG_INET6_XFRM_MODE_BEET=m +# CONFIG_INET6_XFRM_MODE_ROUTEOPTIMIZATION is not set +CONFIG_IPV6_SIT=m +CONFIG_IPV6_TUNNEL=m +# CONFIG_IPV6_MULTIPLE_TABLES is not set +# CONFIG_NETWORK_SECMARK is not set +# CONFIG_NETFILTER is not set # -# Graphics support +# DCCP Configuration (EXPERIMENTAL) # -# CONFIG_FB is not set +# CONFIG_IP_DCCP is not set # -# Console display driver support +# SCTP Configuration (EXPERIMENTAL) # -# CONFIG_MDA_CONSOLE is not set -# CONFIG_PROM_CONSOLE is not set -CONFIG_DUMMY_CONSOLE=y +CONFIG_IP_SCTP=m +# CONFIG_SCTP_DBG_MSG is not set +CONFIG_SCTP_DBG_OBJCNT=y +# CONFIG_SCTP_HMAC_NONE is not set +# CONFIG_SCTP_HMAC_SHA1 is not set +CONFIG_SCTP_HMAC_MD5=y # -# Memory Technology Devices (MTD) +# TIPC Configuration (EXPERIMENTAL) # -# CONFIG_MTD is not set +# CONFIG_TIPC is not set +# CONFIG_ATM is not set +# CONFIG_BRIDGE is not set +# CONFIG_VLAN_8021Q is not set +# CONFIG_DECNET is not set +# CONFIG_LLC2 is not set +# CONFIG_IPX is not set +# CONFIG_ATALK is not set +# CONFIG_X25 is not set +# CONFIG_LAPB is not set +# CONFIG_ECONET is not set +# CONFIG_WAN_ROUTER is not set # -# Serial drivers +# QoS and/or fair queueing # -# CONFIG_SERIAL_8250 is not set +# CONFIG_NET_SCHED is not set # -# Non-8250 serial port support +# Network testing # -CONFIG_SERIAL_SUNCORE=y -CONFIG_SERIAL_SUNZILOG=y -CONFIG_SERIAL_SUNZILOG_CONSOLE=y -CONFIG_SERIAL_SUNSU=y -CONFIG_SERIAL_SUNSU_CONSOLE=y -# CONFIG_SERIAL_SUNSAB is not set -CONFIG_SERIAL_CORE=y -CONFIG_SERIAL_CORE_CONSOLE=y +CONFIG_NET_PKTGEN=m +# CONFIG_HAMRADIO is not set +# CONFIG_IRDA is not set +# CONFIG_BT is not set +# CONFIG_IEEE80211 is not set # -# Misc Linux/SPARC drivers +# Device Drivers +# + +# +# Generic Driver Options +# +CONFIG_STANDALONE=y +CONFIG_PREVENT_FIRMWARE_BUILD=y +# CONFIG_FW_LOADER is not set +# CONFIG_DEBUG_DRIVER is not set +# CONFIG_SYS_HYPERVISOR is not set + +# +# Connector - unified userspace <-> kernelspace linker +# +# CONFIG_CONNECTOR is not set + +# +# Memory Technology Devices (MTD) +# +# CONFIG_MTD is not set + +# +# Parallel port support +# +# CONFIG_PARPORT is not set + +# +# Plug and Play support # -CONFIG_SUN_OPENPROMIO=m -CONFIG_SUN_MOSTEK_RTC=m -# CONFIG_SUN_BPP is not set -# CONFIG_SUN_VIDEOPIX is not set -# CONFIG_SUN_AURORA is not set -# CONFIG_TADPOLE_TS102_UCTRL is not set -# CONFIG_SUN_JSFLASH is not set -CONFIG_APM_RTC_IS_GMT=y -CONFIG_RTC=m # # Block devices @@ -137,28 +271,37 @@ CONFIG_RTC=m # CONFIG_BLK_CPQ_CISS_DA is not set # CONFIG_BLK_DEV_DAC960 is not set # CONFIG_BLK_DEV_UMEM is not set +# CONFIG_BLK_DEV_COW_COMMON is not set CONFIG_BLK_DEV_LOOP=m CONFIG_BLK_DEV_CRYPTOLOOP=m # CONFIG_BLK_DEV_NBD is not set -# CONFIG_BLK_DEV_CARMEL is not set +# CONFIG_BLK_DEV_SX8 is not set CONFIG_BLK_DEV_RAM=y +CONFIG_BLK_DEV_RAM_COUNT=16 CONFIG_BLK_DEV_RAM_SIZE=4096 +CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024 CONFIG_BLK_DEV_INITRD=y +# CONFIG_CDROM_PKTCDVD is not set +# CONFIG_ATA_OVER_ETH is not set # -# ATA/ATAPI/MFM/RLL support +# Misc devices # -# CONFIG_IDE is not set +# CONFIG_SGI_IOC4 is not set +# CONFIG_TIFM_CORE is not set # -# ISDN subsystem +# ATA/ATAPI/MFM/RLL support # -# CONFIG_ISDN is not set +# CONFIG_IDE is not set # # SCSI device support # +# CONFIG_RAID_ATTRS is not set CONFIG_SCSI=y +# CONFIG_SCSI_TGT is not set +# CONFIG_SCSI_NETLINK is not set CONFIG_SCSI_PROC_FS=y # @@ -170,6 +313,7 @@ CONFIG_BLK_DEV_SD=y CONFIG_BLK_DEV_SR=m # CONFIG_BLK_DEV_SR_VENDOR is not set CONFIG_CHR_DEV_SG=m +# CONFIG_CHR_DEV_SCH is not set # # Some SCSI devices (e.g. CD jukebox) support multiple LUNs @@ -177,57 +321,58 @@ CONFIG_CHR_DEV_SG=m # CONFIG_SCSI_MULTI_LUN is not set # CONFIG_SCSI_CONSTANTS is not set # CONFIG_SCSI_LOGGING is not set +# CONFIG_SCSI_SCAN_ASYNC is not set # -# SCSI Transport Attributes +# SCSI Transports # CONFIG_SCSI_SPI_ATTRS=m # CONFIG_SCSI_FC_ATTRS is not set +# CONFIG_SCSI_ISCSI_ATTRS is not set +# CONFIG_SCSI_SAS_ATTRS is not set +# CONFIG_SCSI_SAS_LIBSAS is not set # # SCSI low-level drivers # +# CONFIG_ISCSI_TCP is not set # CONFIG_BLK_DEV_3W_XXXX_RAID is not set +# CONFIG_SCSI_3W_9XXX is not set # CONFIG_SCSI_ACARD is not set # CONFIG_SCSI_AACRAID is not set # CONFIG_SCSI_AIC7XXX is not set # CONFIG_SCSI_AIC7XXX_OLD is not set # CONFIG_SCSI_AIC79XX is not set +# CONFIG_SCSI_AIC94XX is not set # CONFIG_SCSI_DPT_I2O is not set -# CONFIG_SCSI_ADVANSYS is not set -# CONFIG_SCSI_MEGARAID is not set -# CONFIG_SCSI_SATA is not set -# CONFIG_SCSI_BUSLOGIC is not set +# CONFIG_SCSI_ARCMSR is not set +# CONFIG_MEGARAID_NEWGEN is not set +# CONFIG_MEGARAID_LEGACY is not set +# CONFIG_MEGARAID_SAS is not set +# CONFIG_SCSI_HPTIOP is not set # CONFIG_SCSI_DMX3191D is not set -# CONFIG_SCSI_EATA is not set -# CONFIG_SCSI_EATA_PIO is not set # CONFIG_SCSI_FUTURE_DOMAIN is not set -# CONFIG_SCSI_GDTH is not set # CONFIG_SCSI_IPS is not set +# CONFIG_SCSI_INITIO is not set # CONFIG_SCSI_INIA100 is not set +# CONFIG_SCSI_STEX is not set # CONFIG_SCSI_SYM53C8XX_2 is not set -# CONFIG_SCSI_IPR is not set -# CONFIG_SCSI_QLOGIC_ISP is not set -# CONFIG_SCSI_QLOGIC_FC is not set # CONFIG_SCSI_QLOGIC_1280 is not set CONFIG_SCSI_QLOGICPTI=m -CONFIG_SCSI_QLA2XXX=y -# CONFIG_SCSI_QLA21XX is not set -# CONFIG_SCSI_QLA22XX is not set -# CONFIG_SCSI_QLA2300 is not set -# CONFIG_SCSI_QLA2322 is not set -# CONFIG_SCSI_QLA6312 is not set -# CONFIG_SCSI_QLA6322 is not set +# CONFIG_SCSI_QLA_FC is not set +# CONFIG_SCSI_QLA_ISCSI is not set +# CONFIG_SCSI_LPFC is not set # CONFIG_SCSI_DC395x is not set # CONFIG_SCSI_DC390T is not set # CONFIG_SCSI_NSP32 is not set # CONFIG_SCSI_DEBUG is not set CONFIG_SCSI_SUNESP=y +# CONFIG_SCSI_SRP is not set # -# Fibre Channel support +# Serial ATA (prod) and Parallel ATA (experimental) drivers # -# CONFIG_FC4 is not set +# CONFIG_ATA is not set # # Multi-device support (RAID and LVM) @@ -235,85 +380,31 @@ CONFIG_SCSI_SUNESP=y # CONFIG_MD is not set # -# Networking support -# -CONFIG_NET=y - -# -# Networking options +# Fusion MPT device support # -CONFIG_PACKET=y -# CONFIG_PACKET_MMAP is not set -CONFIG_NETLINK_DEV=y -CONFIG_UNIX=y -CONFIG_NET_KEY=m -CONFIG_INET=y -# CONFIG_IP_MULTICAST is not set -# CONFIG_IP_ADVANCED_ROUTER is not set -CONFIG_IP_PNP=y -CONFIG_IP_PNP_DHCP=y -# CONFIG_IP_PNP_BOOTP is not set -# CONFIG_IP_PNP_RARP is not set -# CONFIG_NET_IPIP is not set -# CONFIG_NET_IPGRE is not set -# CONFIG_ARPD is not set -# CONFIG_SYN_COOKIES is not set -CONFIG_INET_AH=y -CONFIG_INET_ESP=y -CONFIG_INET_IPCOMP=y -CONFIG_IPV6=m -CONFIG_IPV6_PRIVACY=y -CONFIG_INET6_AH=m -CONFIG_INET6_ESP=m -CONFIG_INET6_IPCOMP=m -CONFIG_IPV6_TUNNEL=m -# CONFIG_NETFILTER is not set -CONFIG_XFRM=y -CONFIG_XFRM_USER=m +# CONFIG_FUSION is not set +# CONFIG_FUSION_SPI is not set +# CONFIG_FUSION_FC is not set +# CONFIG_FUSION_SAS is not set # -# SCTP Configuration (EXPERIMENTAL) +# IEEE 1394 (FireWire) support # -CONFIG_IP_SCTP=m -# CONFIG_SCTP_DBG_MSG is not set -CONFIG_SCTP_DBG_OBJCNT=y -# CONFIG_SCTP_HMAC_NONE is not set -# CONFIG_SCTP_HMAC_SHA1 is not set -CONFIG_SCTP_HMAC_MD5=y -# CONFIG_ATM is not set -# CONFIG_BRIDGE is not set -# CONFIG_VLAN_8021Q is not set -# CONFIG_DECNET is not set -# CONFIG_LLC2 is not set -# CONFIG_IPX is not set -# CONFIG_ATALK is not set -# CONFIG_X25 is not set -# CONFIG_LAPB is not set -# CONFIG_NET_DIVERT is not set -# CONFIG_ECONET is not set -# CONFIG_WAN_ROUTER is not set -# CONFIG_NET_HW_FLOWCONTROL is not set +# CONFIG_IEEE1394 is not set # -# QoS and/or fair queueing +# I2O device support # -# CONFIG_NET_SCHED is not set +# CONFIG_I2O is not set # -# Network testing +# Network device support # -CONFIG_NET_PKTGEN=m -# CONFIG_NETPOLL is not set -# CONFIG_NET_POLL_CONTROLLER is not set -# CONFIG_HAMRADIO is not set -# CONFIG_IRDA is not set -# CONFIG_BT is not set CONFIG_NETDEVICES=y CONFIG_DUMMY=m # CONFIG_BONDING is not set # CONFIG_EQUALIZER is not set CONFIG_TUN=m -# CONFIG_ETHERTAP is not set # # ARCnet devices @@ -321,6 +412,11 @@ CONFIG_TUN=m # CONFIG_ARCNET is not set # +# PHY device support +# +# CONFIG_PHYLIB is not set + +# # Ethernet (10 or 100Mbit) # CONFIG_NET_ETHERNET=y @@ -330,6 +426,7 @@ CONFIG_HAPPYMEAL=m CONFIG_SUNBMAC=m CONFIG_SUNQE=m # CONFIG_SUNGEM is not set +# CONFIG_CASSINI is not set # CONFIG_NET_VENDOR_3COM is not set # @@ -350,14 +447,22 @@ CONFIG_SUNQE=m # CONFIG_HAMACHI is not set # CONFIG_YELLOWFIN is not set # CONFIG_R8169 is not set +# CONFIG_SIS190 is not set +# CONFIG_SKGE is not set +# CONFIG_SKY2 is not set # CONFIG_SK98LIN is not set # CONFIG_TIGON3 is not set +# CONFIG_BNX2 is not set +# CONFIG_QLA3XXX is not set # # Ethernet (10000 Mbit) # +# CONFIG_CHELSIO_T1 is not set # CONFIG_IXGB is not set # CONFIG_S2IO is not set +# CONFIG_MYRI10GE is not set +# CONFIG_NETXEN_NIC is not set # # Token Ring devices @@ -380,17 +485,24 @@ CONFIG_SUNQE=m # CONFIG_NET_FC is not set # CONFIG_SHAPER is not set # CONFIG_NETCONSOLE is not set +# CONFIG_NETPOLL is not set +# CONFIG_NET_POLL_CONTROLLER is not set # -# Unix98 PTY support +# ISDN subsystem # -CONFIG_UNIX98_PTYS=y -CONFIG_UNIX98_PTY_COUNT=256 +# CONFIG_ISDN is not set + +# +# Telephony Support +# +# CONFIG_PHONE is not set # # Input device support # CONFIG_INPUT=y +# CONFIG_INPUT_FF_MEMLESS is not set # # Userland interfaces @@ -405,17 +517,6 @@ CONFIG_INPUT_EVDEV=m CONFIG_INPUT_EVBUG=m # -# Input I/O drivers -# -# CONFIG_GAMEPORT is not set -CONFIG_SOUND_GAMEPORT=y -CONFIG_SERIO=m -# CONFIG_SERIO_I8042 is not set -CONFIG_SERIO_SERPORT=m -# CONFIG_SERIO_CT82C710 is not set -# CONFIG_SERIO_PCIPS2 is not set - -# # Input Device Drivers # CONFIG_INPUT_KEYBOARD=y @@ -424,6 +525,7 @@ CONFIG_KEYBOARD_SUNKBD=m # CONFIG_KEYBOARD_LKKBD is not set # CONFIG_KEYBOARD_XTKBD is not set # CONFIG_KEYBOARD_NEWTON is not set +# CONFIG_KEYBOARD_STOWAWAY is not set CONFIG_INPUT_MOUSE=y CONFIG_MOUSE_PS2=m CONFIG_MOUSE_SERIAL=m @@ -433,29 +535,239 @@ CONFIG_MOUSE_SERIAL=m # CONFIG_INPUT_MISC is not set # +# Hardware I/O ports +# +CONFIG_SERIO=m +# CONFIG_SERIO_I8042 is not set +CONFIG_SERIO_SERPORT=m +# CONFIG_SERIO_PCIPS2 is not set +CONFIG_SERIO_LIBPS2=m +# CONFIG_SERIO_RAW is not set +# CONFIG_GAMEPORT is not set + +# +# Character devices +# +CONFIG_VT=y +CONFIG_VT_CONSOLE=y +CONFIG_HW_CONSOLE=y +# CONFIG_VT_HW_CONSOLE_BINDING is not set +# CONFIG_SERIAL_NONSTANDARD is not set + +# +# Serial drivers +# + +# +# Non-8250 serial port support +# +CONFIG_SERIAL_SUNCORE=y +CONFIG_SERIAL_SUNZILOG=y +CONFIG_SERIAL_SUNZILOG_CONSOLE=y +CONFIG_SERIAL_SUNSU=y +CONFIG_SERIAL_SUNSU_CONSOLE=y +# CONFIG_SERIAL_SUNSAB is not set +CONFIG_SERIAL_CORE=y +CONFIG_SERIAL_CORE_CONSOLE=y +# CONFIG_SERIAL_JSM is not set +CONFIG_UNIX98_PTYS=y +CONFIG_LEGACY_PTYS=y +CONFIG_LEGACY_PTY_COUNT=256 + +# +# IPMI +# +# CONFIG_IPMI_HANDLER is not set + +# +# Watchdog Cards +# +# CONFIG_WATCHDOG is not set +CONFIG_HW_RANDOM=m +CONFIG_RTC=m +# CONFIG_DTLK is not set +# CONFIG_R3964 is not set +# CONFIG_APPLICOM is not set +# CONFIG_DRM is not set +# CONFIG_RAW_DRIVER is not set + +# +# TPM devices +# +# CONFIG_TCG_TPM is not set + +# +# I2C support +# +# CONFIG_I2C is not set + +# +# SPI support +# +# CONFIG_SPI is not set +# CONFIG_SPI_MASTER is not set + +# +# Dallas's 1-wire bus +# +# CONFIG_W1 is not set + +# +# Hardware Monitoring support +# +CONFIG_HWMON=y +# CONFIG_HWMON_VID is not set +# CONFIG_SENSORS_ABITUGURU is not set +# CONFIG_SENSORS_F71805F is not set +# CONFIG_SENSORS_PC87427 is not set +# CONFIG_SENSORS_VT1211 is not set +# CONFIG_HWMON_DEBUG_CHIP is not set + +# +# Multimedia devices +# +# CONFIG_VIDEO_DEV is not set + +# +# Digital Video Broadcasting Devices +# +# CONFIG_DVB is not set + +# +# Graphics support +# +CONFIG_FIRMWARE_EDID=y +# CONFIG_FB is not set + +# +# Console display driver support +# +# CONFIG_PROM_CONSOLE is not set +CONFIG_DUMMY_CONSOLE=y +# CONFIG_BACKLIGHT_LCD_SUPPORT is not set + +# +# Sound +# +# CONFIG_SOUND is not set + +# +# HID Devices +# +CONFIG_HID=y + +# +# USB support +# +CONFIG_USB_ARCH_HAS_HCD=y +CONFIG_USB_ARCH_HAS_OHCI=y +CONFIG_USB_ARCH_HAS_EHCI=y +# CONFIG_USB is not set + +# +# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support' +# + +# +# USB Gadget Support +# +# CONFIG_USB_GADGET is not set + +# +# MMC/SD Card support +# +# CONFIG_MMC is not set + +# +# LED devices +# +# CONFIG_NEW_LEDS is not set + +# +# LED drivers +# + +# +# LED Triggers +# + +# +# InfiniBand support +# +# CONFIG_INFINIBAND is not set + +# +# EDAC - error detection and reporting (RAS) (EXPERIMENTAL) +# + +# +# Real Time Clock +# +# CONFIG_RTC_CLASS is not set + +# +# DMA Engine support +# +# CONFIG_DMA_ENGINE is not set + +# +# DMA Clients +# + +# +# DMA Devices +# + +# +# Virtualization +# + +# +# Misc Linux/SPARC drivers +# +CONFIG_SUN_OPENPROMIO=m +CONFIG_SUN_MOSTEK_RTC=m +# CONFIG_SUN_BPP is not set +# CONFIG_SUN_VIDEOPIX is not set +# CONFIG_TADPOLE_TS102_UCTRL is not set +# CONFIG_SUN_JSFLASH is not set + +# +# Unix98 PTY support +# +CONFIG_UNIX98_PTY_COUNT=256 + +# # File systems # CONFIG_EXT2_FS=y CONFIG_EXT2_FS_XATTR=y CONFIG_EXT2_FS_POSIX_ACL=y CONFIG_EXT2_FS_SECURITY=y +# CONFIG_EXT2_FS_XIP is not set # CONFIG_EXT3_FS is not set -# CONFIG_JBD is not set +# CONFIG_EXT4DEV_FS is not set CONFIG_FS_MBCACHE=y # CONFIG_REISERFS_FS is not set # CONFIG_JFS_FS is not set CONFIG_FS_POSIX_ACL=y CONFIG_XFS_FS=m -CONFIG_XFS_RT=y CONFIG_XFS_QUOTA=y CONFIG_XFS_SECURITY=y CONFIG_XFS_POSIX_ACL=y +CONFIG_XFS_RT=y +# CONFIG_GFS2_FS is not set +# CONFIG_OCFS2_FS is not set # CONFIG_MINIX_FS is not set CONFIG_ROMFS_FS=m +CONFIG_INOTIFY=y +CONFIG_INOTIFY_USER=y # CONFIG_QUOTA is not set CONFIG_QUOTACTL=y +CONFIG_DNOTIFY=y CONFIG_AUTOFS_FS=m CONFIG_AUTOFS4_FS=m +# CONFIG_FUSE_FS is not set # # CD-ROM/DVD Filesystems @@ -468,7 +780,8 @@ CONFIG_ISO9660_FS=m # # DOS/FAT/NT Filesystems # -# CONFIG_FAT_FS is not set +# CONFIG_MSDOS_FS is not set +# CONFIG_VFAT_FS is not set # CONFIG_NTFS_FS is not set # @@ -476,13 +789,12 @@ CONFIG_ISO9660_FS=m # CONFIG_PROC_FS=y CONFIG_PROC_KCORE=y +CONFIG_PROC_SYSCTL=y CONFIG_SYSFS=y -# CONFIG_DEVFS_FS is not set -CONFIG_DEVPTS_FS_XATTR=y -# CONFIG_DEVPTS_FS_SECURITY is not set # CONFIG_TMPFS is not set # CONFIG_HUGETLB_PAGE is not set CONFIG_RAMFS=y +# CONFIG_CONFIGFS_FS is not set # # Miscellaneous filesystems @@ -512,17 +824,23 @@ CONFIG_NFS_FS=y # CONFIG_NFSD is not set CONFIG_ROOT_NFS=y CONFIG_LOCKD=y -# CONFIG_EXPORTFS is not set +CONFIG_NFS_COMMON=y CONFIG_SUNRPC=y CONFIG_SUNRPC_GSS=m CONFIG_RPCSEC_GSS_KRB5=m +# CONFIG_RPCSEC_GSS_SPKM3 is not set # CONFIG_SMB_FS is not set CONFIG_CIFS=m # CONFIG_CIFS_STATS is not set +# CONFIG_CIFS_WEAK_PW_HASH is not set +# CONFIG_CIFS_XATTR is not set +# CONFIG_CIFS_DEBUG2 is not set +# CONFIG_CIFS_EXPERIMENTAL is not set # CONFIG_NCP_FS is not set # CONFIG_CODA_FS is not set CONFIG_AFS_FS=m CONFIG_RXRPC=m +# CONFIG_9P_FS is not set # # Partition Types @@ -559,6 +877,7 @@ CONFIG_NLS_DEFAULT="iso8859-1" # CONFIG_NLS_ISO8859_8 is not set # CONFIG_NLS_CODEPAGE_1250 is not set # CONFIG_NLS_CODEPAGE_1251 is not set +# CONFIG_NLS_ASCII is not set # CONFIG_NLS_ISO8859_1 is not set # CONFIG_NLS_ISO8859_2 is not set # CONFIG_NLS_ISO8859_3 is not set @@ -575,70 +894,104 @@ CONFIG_NLS_DEFAULT="iso8859-1" # CONFIG_NLS_UTF8 is not set # -# Sound -# -# CONFIG_SOUND is not set - -# -# USB support +# Distributed Lock Manager # -# CONFIG_USB is not set - -# -# USB Gadget Support -# -# CONFIG_USB_GADGET is not set +# CONFIG_DLM is not set # -# Watchdog Cards +# Instrumentation Support # -# CONFIG_WATCHDOG is not set +# CONFIG_PROFILING is not set # # Kernel hacking # +# CONFIG_PRINTK_TIME is not set +CONFIG_ENABLE_MUST_CHECK=y +CONFIG_MAGIC_SYSRQ=y +# CONFIG_UNUSED_SYMBOLS is not set +# CONFIG_DEBUG_FS is not set +# CONFIG_HEADERS_CHECK is not set CONFIG_DEBUG_KERNEL=y -# CONFIG_DEBUG_STACK_USAGE is not set +CONFIG_LOG_BUF_SHIFT=14 +CONFIG_DETECT_SOFTLOCKUP=y +# CONFIG_SCHEDSTATS is not set # CONFIG_DEBUG_SLAB is not set -CONFIG_MAGIC_SYSRQ=y +# CONFIG_DEBUG_RT_MUTEXES is not set +# CONFIG_RT_MUTEX_TESTER is not set # CONFIG_DEBUG_SPINLOCK is not set -# CONFIG_DEBUG_HIGHMEM is not set +# CONFIG_DEBUG_MUTEXES is not set +# CONFIG_DEBUG_RWSEMS is not set # CONFIG_DEBUG_SPINLOCK_SLEEP is not set -# CONFIG_DEBUG_BUGVERBOSE is not set +# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set +# CONFIG_DEBUG_KOBJECT is not set +# CONFIG_DEBUG_HIGHMEM is not set +CONFIG_DEBUG_BUGVERBOSE=y +# CONFIG_DEBUG_INFO is not set +# CONFIG_DEBUG_VM is not set +# CONFIG_DEBUG_LIST is not set +CONFIG_FORCED_INLINING=y +# CONFIG_RCU_TORTURE_TEST is not set +# CONFIG_DEBUG_STACK_USAGE is not set # # Security options # +# CONFIG_KEYS is not set # CONFIG_SECURITY is not set # # Cryptographic options # CONFIG_CRYPTO=y +CONFIG_CRYPTO_ALGAPI=y +CONFIG_CRYPTO_BLKCIPHER=y +CONFIG_CRYPTO_HASH=y +CONFIG_CRYPTO_MANAGER=y CONFIG_CRYPTO_HMAC=y +# CONFIG_CRYPTO_XCBC is not set CONFIG_CRYPTO_NULL=m CONFIG_CRYPTO_MD4=y CONFIG_CRYPTO_MD5=y CONFIG_CRYPTO_SHA1=y CONFIG_CRYPTO_SHA256=m CONFIG_CRYPTO_SHA512=m +# CONFIG_CRYPTO_WP512 is not set +# CONFIG_CRYPTO_TGR192 is not set +# CONFIG_CRYPTO_GF128MUL is not set +CONFIG_CRYPTO_ECB=m +CONFIG_CRYPTO_CBC=y +# CONFIG_CRYPTO_LRW is not set CONFIG_CRYPTO_DES=y CONFIG_CRYPTO_BLOWFISH=m CONFIG_CRYPTO_TWOFISH=m +CONFIG_CRYPTO_TWOFISH_COMMON=m CONFIG_CRYPTO_SERPENT=m CONFIG_CRYPTO_AES=m CONFIG_CRYPTO_CAST5=m CONFIG_CRYPTO_CAST6=m +# CONFIG_CRYPTO_TEA is not set CONFIG_CRYPTO_ARC4=m +# CONFIG_CRYPTO_KHAZAD is not set +# CONFIG_CRYPTO_ANUBIS is not set CONFIG_CRYPTO_DEFLATE=y CONFIG_CRYPTO_MICHAEL_MIC=m CONFIG_CRYPTO_CRC32C=m # CONFIG_CRYPTO_TEST is not set # +# Hardware crypto devices +# + +# # Library routines # +CONFIG_BITREVERSE=y +# CONFIG_CRC_CCITT is not set +# CONFIG_CRC16 is not set CONFIG_CRC32=y CONFIG_LIBCRC32C=m CONFIG_ZLIB_INFLATE=y CONFIG_ZLIB_DEFLATE=y +CONFIG_PLIST=y +CONFIG_IOMAP_COPY=y diff --git a/arch/sparc/kernel/irq.c b/arch/sparc/kernel/irq.c index c8cb211b90728..5b4841d067c16 100644 --- a/arch/sparc/kernel/irq.c +++ b/arch/sparc/kernel/irq.c @@ -425,7 +425,7 @@ int request_fast_irq(unsigned int irq, } if (action == NULL) - action = (struct irqaction *)kmalloc(sizeof(struct irqaction), + action = kmalloc(sizeof(struct irqaction), GFP_ATOMIC); if (!action) { @@ -528,7 +528,7 @@ int request_irq(unsigned int irq, } if (action == NULL) - action = (struct irqaction *)kmalloc(sizeof(struct irqaction), + action = kmalloc(sizeof(struct irqaction), GFP_ATOMIC); if (!action) { diff --git a/arch/sparc/kernel/sparc_ksyms.c b/arch/sparc/kernel/sparc_ksyms.c index 33dadd9f28712..d8e008a04e2b4 100644 --- a/arch/sparc/kernel/sparc_ksyms.c +++ b/arch/sparc/kernel/sparc_ksyms.c @@ -83,9 +83,6 @@ extern int __divdi3(int, int); /* Private functions with odd calling conventions. */ extern void ___atomic24_add(void); extern void ___atomic24_sub(void); -extern void ___set_bit(void); -extern void ___clear_bit(void); -extern void ___change_bit(void); extern void ___rw_read_enter(void); extern void ___rw_read_try(void); extern void ___rw_read_exit(void); @@ -125,11 +122,6 @@ EXPORT_SYMBOL(pfn_base); EXPORT_SYMBOL(___atomic24_add); EXPORT_SYMBOL(___atomic24_sub); -/* Bit operations. */ -EXPORT_SYMBOL(___set_bit); -EXPORT_SYMBOL(___clear_bit); -EXPORT_SYMBOL(___change_bit); - /* Per-CPU information table */ EXPORT_PER_CPU_SYMBOL(__cpu_data); diff --git a/arch/sparc/kernel/sun4d_irq.c b/arch/sparc/kernel/sun4d_irq.c index cf1b8baa57eaf..0e27e226e0e2e 100644 --- a/arch/sparc/kernel/sun4d_irq.c +++ b/arch/sparc/kernel/sun4d_irq.c @@ -327,7 +327,7 @@ int sun4d_request_irq(unsigned int irq, } if (action == NULL) - action = (struct irqaction *)kmalloc(sizeof(struct irqaction), + action = kmalloc(sizeof(struct irqaction), GFP_ATOMIC); if (!action) { diff --git a/arch/sparc/kernel/time.c b/arch/sparc/kernel/time.c index 6c7aa51b590fd..2fcce000d8773 100644 --- a/arch/sparc/kernel/time.c +++ b/arch/sparc/kernel/time.c @@ -78,7 +78,6 @@ unsigned long profile_pc(struct pt_regs *regs) extern char __copy_user_begin[], __copy_user_end[]; extern char __atomic_begin[], __atomic_end[]; extern char __bzero_begin[], __bzero_end[]; - extern char __bitops_begin[], __bitops_end[]; unsigned long pc = regs->pc; @@ -88,9 +87,7 @@ unsigned long profile_pc(struct pt_regs *regs) (pc >= (unsigned long) __atomic_begin && pc < (unsigned long) __atomic_end) || (pc >= (unsigned long) __bzero_begin && - pc < (unsigned long) __bzero_end) || - (pc >= (unsigned long) __bitops_begin && - pc < (unsigned long) __bitops_end)) + pc < (unsigned long) __bzero_end)) pc = regs->u_regs[UREG_RETPC]; return pc; } diff --git a/arch/sparc/lib/Makefile b/arch/sparc/lib/Makefile index 5db7e1d85385e..9ddc5b9ce3bd7 100644 --- a/arch/sparc/lib/Makefile +++ b/arch/sparc/lib/Makefile @@ -7,7 +7,7 @@ EXTRA_AFLAGS := -ansi -DST_DIV0=0x02 lib-y := mul.o rem.o sdiv.o udiv.o umul.o urem.o ashrdi3.o memcpy.o memset.o \ strlen.o checksum.o blockops.o memscan.o memcmp.o strncmp.o \ strncpy_from_user.o divdi3.o udivdi3.o strlen_user.o \ - copy_user.o locks.o atomic.o atomic32.o bitops.o \ + copy_user.o locks.o atomic.o \ lshrdi3.o ashldi3.o rwsem.o muldi3.o bitext.o -obj-y += iomap.o +obj-y += iomap.o atomic32.o diff --git a/arch/sparc/lib/atomic32.c b/arch/sparc/lib/atomic32.c index de84f8534bacd..53ddcd9d1e609 100644 --- a/arch/sparc/lib/atomic32.c +++ b/arch/sparc/lib/atomic32.c @@ -76,3 +76,42 @@ void atomic_set(atomic_t *v, int i) spin_unlock_irqrestore(ATOMIC_HASH(v), flags); } EXPORT_SYMBOL(atomic_set); + +unsigned long ___set_bit(unsigned long *addr, unsigned long mask) +{ + unsigned long old, flags; + + spin_lock_irqsave(ATOMIC_HASH(addr), flags); + old = *addr; + *addr = old | mask; + spin_unlock_irqrestore(ATOMIC_HASH(addr), flags); + + return old & mask; +} +EXPORT_SYMBOL(___set_bit); + +unsigned long ___clear_bit(unsigned long *addr, unsigned long mask) +{ + unsigned long old, flags; + + spin_lock_irqsave(ATOMIC_HASH(addr), flags); + old = *addr; + *addr = old & ~mask; + spin_unlock_irqrestore(ATOMIC_HASH(addr), flags); + + return old & mask; +} +EXPORT_SYMBOL(___clear_bit); + +unsigned long ___change_bit(unsigned long *addr, unsigned long mask) +{ + unsigned long old, flags; + + spin_lock_irqsave(ATOMIC_HASH(addr), flags); + old = *addr; + *addr = old ^ mask; + spin_unlock_irqrestore(ATOMIC_HASH(addr), flags); + + return old & mask; +} +EXPORT_SYMBOL(___change_bit); diff --git a/arch/sparc/lib/bitops.S b/arch/sparc/lib/bitops.S deleted file mode 100644 index cb7fb66a40c82..0000000000000 --- a/arch/sparc/lib/bitops.S +++ /dev/null @@ -1,109 +0,0 @@ -/* bitops.S: Low level assembler bit operations. - * - * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu) - */ - -#include <asm/ptrace.h> -#include <asm/psr.h> - - .text - .align 4 - - .globl __bitops_begin -__bitops_begin: - - /* Take bits in %g2 and set them in word at %g1, - * return whether bits were set in original value - * in %g2. %g4 holds value to restore into %o7 - * in delay slot of jmpl return, %g3 + %g5 + %g7 can be - * used as temporaries and thus is considered clobbered - * by all callers. - */ - .globl ___set_bit -___set_bit: - rd %psr, %g3 - nop; nop; nop; - or %g3, PSR_PIL, %g5 - wr %g5, 0x0, %psr - nop; nop; nop -#ifdef CONFIG_SMP - set bitops_spinlock, %g5 -2: ldstub [%g5], %g7 ! Spin on the byte lock for SMP. - orcc %g7, 0x0, %g0 ! Did we get it? - bne 2b ! Nope... -#endif - ld [%g1], %g7 - or %g7, %g2, %g5 - and %g7, %g2, %g2 -#ifdef CONFIG_SMP - st %g5, [%g1] - set bitops_spinlock, %g5 - stb %g0, [%g5] -#else - st %g5, [%g1] -#endif - wr %g3, 0x0, %psr - nop; nop; nop - jmpl %o7, %g0 - mov %g4, %o7 - - /* Same as above, but clears the bits from %g2 instead. */ - .globl ___clear_bit -___clear_bit: - rd %psr, %g3 - nop; nop; nop - or %g3, PSR_PIL, %g5 - wr %g5, 0x0, %psr - nop; nop; nop -#ifdef CONFIG_SMP - set bitops_spinlock, %g5 -2: ldstub [%g5], %g7 ! Spin on the byte lock for SMP. - orcc %g7, 0x0, %g0 ! Did we get it? - bne 2b ! Nope... -#endif - ld [%g1], %g7 - andn %g7, %g2, %g5 - and %g7, %g2, %g2 -#ifdef CONFIG_SMP - st %g5, [%g1] - set bitops_spinlock, %g5 - stb %g0, [%g5] -#else - st %g5, [%g1] -#endif - wr %g3, 0x0, %psr - nop; nop; nop - jmpl %o7, %g0 - mov %g4, %o7 - - /* Same thing again, but this time toggles the bits from %g2. */ - .globl ___change_bit -___change_bit: - rd %psr, %g3 - nop; nop; nop - or %g3, PSR_PIL, %g5 - wr %g5, 0x0, %psr - nop; nop; nop -#ifdef CONFIG_SMP - set bitops_spinlock, %g5 -2: ldstub [%g5], %g7 ! Spin on the byte lock for SMP. - orcc %g7, 0x0, %g0 ! Did we get it? - bne 2b ! Nope... -#endif - ld [%g1], %g7 - xor %g7, %g2, %g5 - and %g7, %g2, %g2 -#ifdef CONFIG_SMP - st %g5, [%g1] - set bitops_spinlock, %g5 - stb %g0, [%g5] -#else - st %g5, [%g1] -#endif - wr %g3, 0x0, %psr - nop; nop; nop - jmpl %o7, %g0 - mov %g4, %o7 - - .globl __bitops_end -__bitops_end: diff --git a/arch/sparc64/kernel/head.S b/arch/sparc64/kernel/head.S index 03ffaf895a227..baea10a981968 100644 --- a/arch/sparc64/kernel/head.S +++ b/arch/sparc64/kernel/head.S @@ -78,11 +78,7 @@ sparc_ramdisk_image64: /* PROM cif handler code address is in %o4. */ sparc64_boot: -1: rd %pc, %g7 - set 1b, %g1 - cmp %g1, %g7 - be,pn %xcc, sparc64_boot_after_remap - mov %o4, %l7 + mov %o4, %l7 /* We need to remap the kernel. Use position independant * code to remap us to KERNBASE. @@ -295,7 +291,6 @@ is_sun4v: add %sp, (192 + 128), %sp -sparc64_boot_after_remap: sethi %hi(prom_root_compatible), %g1 or %g1, %lo(prom_root_compatible), %g1 sethi %hi(prom_sun4v_name), %g7 diff --git a/arch/sparc64/kernel/irq.c b/arch/sparc64/kernel/irq.c index d64b1ea848de0..c3d068c7a4128 100644 --- a/arch/sparc64/kernel/irq.c +++ b/arch/sparc64/kernel/irq.c @@ -372,14 +372,14 @@ static void run_pre_handler(unsigned int virt_irq) } } -static struct hw_interrupt_type sun4u_irq = { +static struct irq_chip sun4u_irq = { .typename = "sun4u", .enable = sun4u_irq_enable, .disable = sun4u_irq_disable, .end = sun4u_irq_end, }; -static struct hw_interrupt_type sun4u_irq_ack = { +static struct irq_chip sun4u_irq_ack = { .typename = "sun4u+ack", .enable = sun4u_irq_enable, .disable = sun4u_irq_disable, @@ -387,14 +387,14 @@ static struct hw_interrupt_type sun4u_irq_ack = { .end = sun4u_irq_end, }; -static struct hw_interrupt_type sun4v_irq = { +static struct irq_chip sun4v_irq = { .typename = "sun4v", .enable = sun4v_irq_enable, .disable = sun4v_irq_disable, .end = sun4v_irq_end, }; -static struct hw_interrupt_type sun4v_irq_ack = { +static struct irq_chip sun4v_irq_ack = { .typename = "sun4v+ack", .enable = sun4v_irq_enable, .disable = sun4v_irq_disable, @@ -493,22 +493,6 @@ out: return bucket->virt_irq; } -void hw_resend_irq(struct hw_interrupt_type *handler, unsigned int virt_irq) -{ - struct ino_bucket *bucket = virt_irq_to_bucket(virt_irq); - unsigned long pstate; - unsigned int *ent; - - __asm__ __volatile__("rdpr %%pstate, %0" : "=r" (pstate)); - __asm__ __volatile__("wrpr %0, %1, %%pstate" - : : "r" (pstate), "i" (PSTATE_IE)); - ent = irq_work(smp_processor_id()); - bucket->irq_chain = *ent; - *ent = __irq(bucket); - set_softint(1 << PIL_DEVICE_IRQ); - __asm__ __volatile__("wrpr %0, 0x0, %%pstate" : : "r" (pstate)); -} - void ack_bad_irq(unsigned int virt_irq) { struct ino_bucket *bucket = virt_irq_to_bucket(virt_irq); diff --git a/arch/sparc64/kernel/smp.c b/arch/sparc64/kernel/smp.c index cc09d82664145..0a4958536bcd3 100644 --- a/arch/sparc64/kernel/smp.c +++ b/arch/sparc64/kernel/smp.c @@ -1447,11 +1447,8 @@ void __init setup_per_cpu_areas(void) char *ptr; /* Copy section for each CPU (we discard the original) */ - goal = ALIGN(__per_cpu_end - __per_cpu_start, SMP_CACHE_BYTES); -#ifdef CONFIG_MODULES - if (goal < PERCPU_ENOUGH_ROOM) - goal = PERCPU_ENOUGH_ROOM; -#endif + goal = PERCPU_ENOUGH_ROOM; + __per_cpu_shift = 0; for (size = 1UL; size < goal; size <<= 1UL) __per_cpu_shift++; diff --git a/arch/sparc64/kernel/sys_sunos32.c b/arch/sparc64/kernel/sys_sunos32.c index 4446f66590fac..2ebc2c0513832 100644 --- a/arch/sparc64/kernel/sys_sunos32.c +++ b/arch/sparc64/kernel/sys_sunos32.c @@ -1055,7 +1055,7 @@ asmlinkage int sunos_msgsys(int op, u32 arg1, u32 arg2, u32 arg3, u32 arg4) break; case 2: rval = -EFAULT; - kmbuf = (struct msgbuf *)kmalloc(sizeof(struct msgbuf) + arg3, + kmbuf = kmalloc(sizeof(struct msgbuf) + arg3, GFP_KERNEL); if (!kmbuf) break; @@ -1078,7 +1078,7 @@ asmlinkage int sunos_msgsys(int op, u32 arg1, u32 arg2, u32 arg3, u32 arg4) break; case 3: rval = -EFAULT; - kmbuf = (struct msgbuf *)kmalloc(sizeof(struct msgbuf) + arg3, + kmbuf = kmalloc(sizeof(struct msgbuf) + arg3, GFP_KERNEL); if (!kmbuf || sunos_msgbuf_get((struct msgbuf32 __user *)(unsigned long)arg2, kmbuf, arg3)) diff --git a/arch/um/drivers/net_kern.c b/arch/um/drivers/net_kern.c index b2e9762e13c5a..afe3d427ddfae 100644 --- a/arch/um/drivers/net_kern.c +++ b/arch/um/drivers/net_kern.c @@ -72,9 +72,11 @@ static int uml_net_rx(struct net_device *dev) return pkt_len; } -static void uml_dev_close(void* dev) +static void uml_dev_close(struct work_struct *work) { - dev_close( (struct net_device *) dev); + struct uml_net_private *lp = + container_of(work, struct uml_net_private, work); + dev_close(lp->dev); } irqreturn_t uml_net_interrupt(int irq, void *dev_id) @@ -89,7 +91,6 @@ irqreturn_t uml_net_interrupt(int irq, void *dev_id) spin_lock(&lp->lock); while((err = uml_net_rx(dev)) > 0) ; if(err < 0) { - DECLARE_WORK(close_work, uml_dev_close, dev); printk(KERN_ERR "Device '%s' read returned %d, shutting it down\n", dev->name, err); @@ -97,9 +98,10 @@ irqreturn_t uml_net_interrupt(int irq, void *dev_id) * again lp->lock. * And dev_close() can be safely called multiple times on the * same device, since it tests for (dev->flags & IFF_UP). So - * there's no harm in delaying the device shutdown. */ - schedule_work(&close_work); -#error this is not permitted - close_work will go out of scope + * there's no harm in delaying the device shutdown. + * Furthermore, the workqueue will not re-enqueue an already + * enqueued work item. */ + schedule_work(&lp->work); goto out; } reactivate_fd(lp->fd, UM_ETH_IRQ); @@ -365,6 +367,7 @@ static int eth_configure(int n, void *init, char *mac, /* This points to the transport private data. It's still clear, but we * must memset it to 0 *now*. Let's help the drivers. */ memset(lp, 0, size); + INIT_WORK(&lp->work, uml_dev_close); /* sysfs register */ if (!driver_registered) { diff --git a/arch/um/include/net_kern.h b/arch/um/include/net_kern.h index 280459fb0b261..218f8b47fdcd7 100644 --- a/arch/um/include/net_kern.h +++ b/arch/um/include/net_kern.h @@ -11,6 +11,7 @@ #include <linux/skbuff.h> #include <linux/socket.h> #include <linux/list.h> +#include <linux/workqueue.h> struct uml_net { struct list_head list; @@ -26,6 +27,7 @@ struct uml_net_private { struct net_device *dev; struct timer_list tl; struct net_device_stats stats; + struct work_struct work; int fd; unsigned char mac[ETH_ALEN]; unsigned short (*protocol)(struct sk_buff *); diff --git a/arch/um/sys-i386/ldt.c b/arch/um/sys-i386/ldt.c index 49057d8bc668b..5db7737df0ff1 100644 --- a/arch/um/sys-i386/ldt.c +++ b/arch/um/sys-i386/ldt.c @@ -166,7 +166,7 @@ static long read_ldt_from_host(void __user * ptr, unsigned long bytecount) struct ptrace_ldt ptrace_ldt = (struct ptrace_ldt) { .func = 0, .bytecount = bytecount, - .ptr = (void *)kmalloc(bytecount, GFP_KERNEL)}; + .ptr = kmalloc(bytecount, GFP_KERNEL)}; u32 cpu; if(ptrace_ldt.ptr == NULL) @@ -426,7 +426,7 @@ void ldt_get_host_info(void) host_ldt_entries = dummy_list; else { size = (size + 1) * sizeof(dummy_list[0]); - host_ldt_entries = (short *)kmalloc(size, GFP_KERNEL); + host_ldt_entries = kmalloc(size, GFP_KERNEL); if(host_ldt_entries == NULL) { printk("ldt_get_host_info: couldn't allocate host ldt list\n"); goto out_free; diff --git a/arch/x86_64/Makefile b/arch/x86_64/Makefile index b471b8550d036..2941a915d4efd 100644 --- a/arch/x86_64/Makefile +++ b/arch/x86_64/Makefile @@ -45,9 +45,7 @@ cflags-kernel-$(CONFIG_REORDER) += -ffunction-sections # actually it makes the kernel smaller too. cflags-y += -fno-reorder-blocks cflags-y += -Wno-sign-compare -ifneq ($(CONFIG_UNWIND_INFO),y) cflags-y += -fno-asynchronous-unwind-tables -endif ifneq ($(CONFIG_DEBUG_INFO),y) # -fweb shrinks the kernel a bit, but the difference is very small # it also messes up debugging, so don't use it for now. diff --git a/arch/x86_64/defconfig b/arch/x86_64/defconfig index 1a1c6a1a299b5..ac80b1209fc07 100644 --- a/arch/x86_64/defconfig +++ b/arch/x86_64/defconfig @@ -1523,8 +1523,6 @@ CONFIG_DEBUG_FS=y # CONFIG_DEBUG_VM is not set # CONFIG_DEBUG_LIST is not set # CONFIG_FRAME_POINTER is not set -CONFIG_UNWIND_INFO=y -CONFIG_STACK_UNWIND=y # CONFIG_FORCED_INLINING is not set # CONFIG_HEADERS_CHECK is not set # CONFIG_RCU_TORTURE_TEST is not set diff --git a/arch/x86_64/kernel/entry.S b/arch/x86_64/kernel/entry.S index 601d332c4b79e..9f5dac64aa8fc 100644 --- a/arch/x86_64/kernel/entry.S +++ b/arch/x86_64/kernel/entry.S @@ -1155,36 +1155,3 @@ ENTRY(call_softirq) ret CFI_ENDPROC ENDPROC(call_softirq) - -#ifdef CONFIG_STACK_UNWIND -ENTRY(arch_unwind_init_running) - CFI_STARTPROC - movq %r15, R15(%rdi) - movq %r14, R14(%rdi) - xchgq %rsi, %rdx - movq %r13, R13(%rdi) - movq %r12, R12(%rdi) - xorl %eax, %eax - movq %rbp, RBP(%rdi) - movq %rbx, RBX(%rdi) - movq (%rsp), %rcx - movq %rax, R11(%rdi) - movq %rax, R10(%rdi) - movq %rax, R9(%rdi) - movq %rax, R8(%rdi) - movq %rax, RAX(%rdi) - movq %rax, RCX(%rdi) - movq %rax, RDX(%rdi) - movq %rax, RSI(%rdi) - movq %rax, RDI(%rdi) - movq %rax, ORIG_RAX(%rdi) - movq %rcx, RIP(%rdi) - leaq 8(%rsp), %rcx - movq $__KERNEL_CS, CS(%rdi) - movq %rax, EFLAGS(%rdi) - movq %rcx, RSP(%rdi) - movq $__KERNEL_DS, SS(%rdi) - jmpq *%rdx - CFI_ENDPROC -ENDPROC(arch_unwind_init_running) -#endif diff --git a/arch/x86_64/kernel/traps.c b/arch/x86_64/kernel/traps.c index b54ccc07f3794..1d9eb6db732a7 100644 --- a/arch/x86_64/kernel/traps.c +++ b/arch/x86_64/kernel/traps.c @@ -110,11 +110,6 @@ static inline void preempt_conditional_cli(struct pt_regs *regs) } int kstack_depth_to_print = 12; -#ifdef CONFIG_STACK_UNWIND -static int call_trace = 1; -#else -#define call_trace (-1) -#endif #ifdef CONFIG_KALLSYMS void printk_address(unsigned long address) @@ -217,32 +212,6 @@ static unsigned long *in_exception_stack(unsigned cpu, unsigned long stack, return NULL; } -struct ops_and_data { - struct stacktrace_ops *ops; - void *data; -}; - -static int dump_trace_unwind(struct unwind_frame_info *info, void *context) -{ - struct ops_and_data *oad = (struct ops_and_data *)context; - int n = 0; - unsigned long sp = UNW_SP(info); - - if (arch_unw_user_mode(info)) - return -1; - while (unwind(info) == 0 && UNW_PC(info)) { - n++; - oad->ops->address(oad->data, UNW_PC(info)); - if (arch_unw_user_mode(info)) - break; - if ((sp & ~(PAGE_SIZE - 1)) == (UNW_SP(info) & ~(PAGE_SIZE - 1)) - && sp > UNW_SP(info)) - break; - sp = UNW_SP(info); - } - return n; -} - #define MSG(txt) ops->warning(data, txt) /* @@ -270,40 +239,6 @@ void dump_trace(struct task_struct *tsk, struct pt_regs *regs, if (!tsk) tsk = current; - if (call_trace >= 0) { - int unw_ret = 0; - struct unwind_frame_info info; - struct ops_and_data oad = { .ops = ops, .data = data }; - - if (regs) { - if (unwind_init_frame_info(&info, tsk, regs) == 0) - unw_ret = dump_trace_unwind(&info, &oad); - } else if (tsk == current) - unw_ret = unwind_init_running(&info, dump_trace_unwind, - &oad); - else { - if (unwind_init_blocked(&info, tsk) == 0) - unw_ret = dump_trace_unwind(&info, &oad); - } - if (unw_ret > 0) { - if (call_trace == 1 && !arch_unw_user_mode(&info)) { - ops->warning_symbol(data, - "DWARF2 unwinder stuck at %s", - UNW_PC(&info)); - if ((long)UNW_SP(&info) < 0) { - MSG("Leftover inexact backtrace:"); - stack = (unsigned long *)UNW_SP(&info); - if (!stack) - goto out; - } else - MSG("Full inexact backtrace again:"); - } else if (call_trace >= 1) - goto out; - else - MSG("Full inexact backtrace again:"); - } else - MSG("Inexact backtrace:"); - } if (!stack) { unsigned long dummy; stack = &dummy; @@ -387,7 +322,6 @@ void dump_trace(struct task_struct *tsk, struct pt_regs *regs, tinfo = current_thread_info(); HANDLE_STACK (valid_stack_ptr(tinfo, stack)); #undef HANDLE_STACK -out: put_cpu(); } EXPORT_SYMBOL(dump_trace); @@ -1188,21 +1122,3 @@ static int __init kstack_setup(char *s) return 0; } early_param("kstack", kstack_setup); - -#ifdef CONFIG_STACK_UNWIND -static int __init call_trace_setup(char *s) -{ - if (!s) - return -EINVAL; - if (strcmp(s, "old") == 0) - call_trace = -1; - else if (strcmp(s, "both") == 0) - call_trace = 0; - else if (strcmp(s, "newfallback") == 0) - call_trace = 1; - else if (strcmp(s, "new") == 0) - call_trace = 2; - return 0; -} -early_param("call_trace", call_trace_setup); -#endif diff --git a/arch/x86_64/kernel/vmlinux.lds.S b/arch/x86_64/kernel/vmlinux.lds.S index 514be5dd23031..1e54ddf2338d7 100644 --- a/arch/x86_64/kernel/vmlinux.lds.S +++ b/arch/x86_64/kernel/vmlinux.lds.S @@ -221,9 +221,7 @@ SECTIONS /* Sections to be discarded */ /DISCARD/ : { *(.exitcall.exit) -#ifndef CONFIG_UNWIND_INFO *(.eh_frame) -#endif } STABS_DEBUG diff --git a/arch/xtensa/kernel/Makefile b/arch/xtensa/kernel/Makefile index d573017a5ddef..71f733c4f66db 100644 --- a/arch/xtensa/kernel/Makefile +++ b/arch/xtensa/kernel/Makefile @@ -6,7 +6,7 @@ extra-y := head.o vmlinux.lds obj-y := align.o entry.o irq.o coprocessor.o process.o ptrace.o semaphore.o \ - setup.o signal.o syscalls.o time.o traps.o vectors.o platform.o \ + setup.o signal.o syscall.o time.o traps.o vectors.o platform.o \ pci-dma.o ## windowspill.o diff --git a/arch/xtensa/kernel/syscall.c b/arch/xtensa/kernel/syscall.c index 418268f497669..fe3834bc1dbf6 100644 --- a/arch/xtensa/kernel/syscall.c +++ b/arch/xtensa/kernel/syscall.c @@ -16,7 +16,7 @@ * */ #include <asm/uaccess.h> -#include <asm/syscalls.h> +#include <asm/syscall.h> #include <asm/unistd.h> #include <linux/linkage.h> #include <linux/stringify.h> diff --git a/block/as-iosched.c b/block/as-iosched.c index 5934c4bfd52a3..ef126277b4b33 100644 --- a/block/as-iosched.c +++ b/block/as-iosched.c @@ -1462,20 +1462,7 @@ static struct elevator_type iosched_as = { static int __init as_init(void) { - int ret; - - ret = elv_register(&iosched_as); - if (!ret) { - /* - * don't allow AS to get unregistered, since we would have - * to browse all tasks in the system and release their - * as_io_context first - */ - __module_get(THIS_MODULE); - return 0; - } - - return ret; + return elv_register(&iosched_as); } static void __exit as_exit(void) diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c index 78c6b312bd303..533a2938ffd67 100644 --- a/block/cfq-iosched.c +++ b/block/cfq-iosched.c @@ -219,9 +219,12 @@ static int cfq_queue_empty(request_queue_t *q) return !cfqd->busy_queues; } -static inline pid_t cfq_queue_pid(struct task_struct *task, int rw) +static inline pid_t cfq_queue_pid(struct task_struct *task, int rw, int is_sync) { - if (rw == READ || rw == WRITE_SYNC) + /* + * Use the per-process queue, for read requests and syncronous writes + */ + if (!(rw & REQ_RW) || is_sync) return task->pid; return CFQ_KEY_ASYNC; @@ -473,7 +476,7 @@ static struct request * cfq_find_rq_fmerge(struct cfq_data *cfqd, struct bio *bio) { struct task_struct *tsk = current; - pid_t key = cfq_queue_pid(tsk, bio_data_dir(bio)); + pid_t key = cfq_queue_pid(tsk, bio_data_dir(bio), bio_sync(bio)); struct cfq_queue *cfqq; cfqq = cfq_find_cfq_hash(cfqd, key, tsk->ioprio); @@ -1748,6 +1751,9 @@ static int cfq_may_queue(request_queue_t *q, int rw) struct cfq_data *cfqd = q->elevator->elevator_data; struct task_struct *tsk = current; struct cfq_queue *cfqq; + unsigned int key; + + key = cfq_queue_pid(tsk, rw, rw & REQ_RW_SYNC); /* * don't force setup of a queue from here, as a call to may_queue @@ -1755,7 +1761,7 @@ static int cfq_may_queue(request_queue_t *q, int rw) * so just lookup a possibly existing queue, or return 'may queue' * if that fails */ - cfqq = cfq_find_cfq_hash(cfqd, cfq_queue_pid(tsk, rw), tsk->ioprio); + cfqq = cfq_find_cfq_hash(cfqd, key, tsk->ioprio); if (cfqq) { cfq_init_prio_data(cfqq); cfq_prio_boost(cfqq); @@ -1798,10 +1804,10 @@ cfq_set_request(request_queue_t *q, struct request *rq, gfp_t gfp_mask) struct task_struct *tsk = current; struct cfq_io_context *cic; const int rw = rq_data_dir(rq); - pid_t key = cfq_queue_pid(tsk, rw); + const int is_sync = rq_is_sync(rq); + pid_t key = cfq_queue_pid(tsk, rw, is_sync); struct cfq_queue *cfqq; unsigned long flags; - int is_sync = key != CFQ_KEY_ASYNC; might_sleep_if(gfp_mask & __GFP_WAIT); diff --git a/block/ll_rw_blk.c b/block/ll_rw_blk.c index a541b42c08e34..79807dbc306e5 100644 --- a/block/ll_rw_blk.c +++ b/block/ll_rw_blk.c @@ -2058,15 +2058,16 @@ static void freed_request(request_queue_t *q, int rw, int priv) * Returns NULL on failure, with queue_lock held. * Returns !NULL on success, with queue_lock *not held*. */ -static struct request *get_request(request_queue_t *q, int rw, struct bio *bio, - gfp_t gfp_mask) +static struct request *get_request(request_queue_t *q, int rw_flags, + struct bio *bio, gfp_t gfp_mask) { struct request *rq = NULL; struct request_list *rl = &q->rq; struct io_context *ioc = NULL; + const int rw = rw_flags & 0x01; int may_queue, priv; - may_queue = elv_may_queue(q, rw); + may_queue = elv_may_queue(q, rw_flags); if (may_queue == ELV_MQUEUE_NO) goto rq_starved; @@ -2114,7 +2115,7 @@ static struct request *get_request(request_queue_t *q, int rw, struct bio *bio, spin_unlock_irq(q->queue_lock); - rq = blk_alloc_request(q, rw, priv, gfp_mask); + rq = blk_alloc_request(q, rw_flags, priv, gfp_mask); if (unlikely(!rq)) { /* * Allocation failed presumably due to memory. Undo anything @@ -2162,12 +2163,13 @@ out: * * Called with q->queue_lock held, and returns with it unlocked. */ -static struct request *get_request_wait(request_queue_t *q, int rw, +static struct request *get_request_wait(request_queue_t *q, int rw_flags, struct bio *bio) { + const int rw = rw_flags & 0x01; struct request *rq; - rq = get_request(q, rw, bio, GFP_NOIO); + rq = get_request(q, rw_flags, bio, GFP_NOIO); while (!rq) { DEFINE_WAIT(wait); struct request_list *rl = &q->rq; @@ -2175,7 +2177,7 @@ static struct request *get_request_wait(request_queue_t *q, int rw, prepare_to_wait_exclusive(&rl->wait[rw], &wait, TASK_UNINTERRUPTIBLE); - rq = get_request(q, rw, bio, GFP_NOIO); + rq = get_request(q, rw_flags, bio, GFP_NOIO); if (!rq) { struct io_context *ioc; @@ -2910,6 +2912,7 @@ static int __make_request(request_queue_t *q, struct bio *bio) int el_ret, nr_sectors, barrier, err; const unsigned short prio = bio_prio(bio); const int sync = bio_sync(bio); + int rw_flags; nr_sectors = bio_sectors(bio); @@ -2984,10 +2987,19 @@ static int __make_request(request_queue_t *q, struct bio *bio) get_rq: /* + * This sync check and mask will be re-done in init_request_from_bio(), + * but we need to set it earlier to expose the sync flag to the + * rq allocator and io schedulers. + */ + rw_flags = bio_data_dir(bio); + if (sync) + rw_flags |= REQ_RW_SYNC; + + /* * Grab a free request. This is might sleep but can not fail. * Returns with the queue unlocked. */ - req = get_request_wait(q, bio_data_dir(bio), bio); + req = get_request_wait(q, rw_flags, bio); /* * After dropping the lock and possibly sleeping here, our request diff --git a/crypto/blkcipher.c b/crypto/blkcipher.c index 034c939bf91a2..6e93004f2181c 100644 --- a/crypto/blkcipher.c +++ b/crypto/blkcipher.c @@ -17,7 +17,6 @@ #include <linux/crypto.h> #include <linux/errno.h> #include <linux/kernel.h> -#include <linux/io.h> #include <linux/module.h> #include <linux/scatterlist.h> #include <linux/seq_file.h> diff --git a/drivers/acorn/block/fd1772.c b/drivers/acorn/block/fd1772.c index 048542341204e..674bf81c6e660 100644 --- a/drivers/acorn/block/fd1772.c +++ b/drivers/acorn/block/fd1772.c @@ -1549,12 +1549,12 @@ int fd1772_init(void) #ifdef TRACKBUFFER BufferDrive = BufferSide = BufferTrack = -1; /* Atari uses 512 - I want to eventually cope with 1K sectors */ - DMABuffer = (char *)kmalloc((FD1772_MAX_SECTORS+1)*512,GFP_KERNEL); + DMABuffer = kmalloc((FD1772_MAX_SECTORS+1)*512,GFP_KERNEL); TrackBuffer = DMABuffer + 512; #else /* Allocate memory for the DMAbuffer - on the Atari this takes it out of some special memory... */ - DMABuffer = (char *) kmalloc(2048); /* Copes with pretty large sectors */ + DMABuffer = kmalloc(2048); /* Copes with pretty large sectors */ #endif err = -ENOMEM; if (!DMAbuffer) diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig index 984ab284382ae..b34e0a958d0f3 100644 --- a/drivers/ata/Kconfig +++ b/drivers/ata/Kconfig @@ -40,9 +40,9 @@ config ATA_PIIX tristate "Intel PIIX/ICH SATA support" depends on PCI help - This option enables support for ICH5/6/7/8 Serial ATA. - If PATA support was enabled previously, this enables - support for select Intel PIIX/ICH PATA host controllers. + This option enables support for ICH5/6/7/8 Serial ATA + and support for PATA on the Intel PIIX3/PIIX4/ICH series + PATA host controllers. If unsure, say N. diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index f36da488a2c1c..dbae6d9710414 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -645,8 +645,6 @@ static int ahci_reset_controller(void __iomem *mmio, struct pci_dev *pdev) u32 cap_save, impl_save, tmp; cap_save = readl(mmio + HOST_CAP); - cap_save &= ( (1<<28) | (1<<17) ); - cap_save |= (1 << 27); impl_save = readl(mmio + HOST_PORTS_IMPL); /* global controller reset */ diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c index c7de0bb1591f2..47701b286f8b6 100644 --- a/drivers/ata/ata_piix.c +++ b/drivers/ata/ata_piix.c @@ -226,14 +226,26 @@ static const struct pci_device_id piix_pci_tbl[] = { { 0x8086, 0x27c0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich6_sata_ahci }, /* 2801GBM/GHM (ICH7M, identical to ICH6M) */ { 0x8086, 0x27c4, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich6m_sata_ahci }, - /* Enterprise Southbridge 2 (where's the datasheet?) */ + /* Enterprise Southbridge 2 (631xESB/632xESB) */ { 0x8086, 0x2680, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich6_sata_ahci }, - /* SATA Controller 1 IDE (ICH8, no datasheet yet) */ + /* SATA Controller 1 IDE (ICH8) */ { 0x8086, 0x2820, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_ahci }, - /* SATA Controller 2 IDE (ICH8, ditto) */ + /* SATA Controller 2 IDE (ICH8) */ { 0x8086, 0x2825, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_ahci }, - /* Mobile SATA Controller IDE (ICH8M, ditto) */ + /* Mobile SATA Controller IDE (ICH8M) */ { 0x8086, 0x2828, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_ahci }, + /* SATA Controller IDE (ICH9) */ + { 0x8086, 0x2920, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_ahci }, + /* SATA Controller IDE (ICH9) */ + { 0x8086, 0x2921, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_ahci }, + /* SATA Controller IDE (ICH9) */ + { 0x8086, 0x2926, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_ahci }, + /* SATA Controller IDE (ICH9M) */ + { 0x8086, 0x2928, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_ahci }, + /* SATA Controller IDE (ICH9M) */ + { 0x8086, 0x292d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_ahci }, + /* SATA Controller IDE (ICH9M) */ + { 0x8086, 0x292e, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_ahci }, { } /* terminate list */ }; @@ -330,7 +342,7 @@ static const struct ata_port_operations ich_pata_ops = { .port_start = ata_port_start, .port_stop = ata_port_stop, - .host_stop = ata_host_stop, + .host_stop = piix_host_stop, }; static const struct ata_port_operations piix_sata_ops = { diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 011c0a8a2dcc6..0d51d13b16bf7 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -1332,7 +1332,7 @@ unsigned ata_exec_internal_sg(struct ata_device *dev, } /** - * ata_exec_internal_sg - execute libata internal command + * ata_exec_internal - execute libata internal command * @dev: Device to which the command is sent * @tf: Taskfile registers for the command and the result * @cdb: CDB for packet command @@ -1353,11 +1353,17 @@ unsigned ata_exec_internal(struct ata_device *dev, struct ata_taskfile *tf, const u8 *cdb, int dma_dir, void *buf, unsigned int buflen) { - struct scatterlist sg; + struct scatterlist *psg = NULL, sg; + unsigned int n_elem = 0; - sg_init_one(&sg, buf, buflen); + if (dma_dir != DMA_NONE) { + WARN_ON(!buf); + sg_init_one(&sg, buf, buflen); + psg = &sg; + n_elem++; + } - return ata_exec_internal_sg(dev, tf, cdb, dma_dir, &sg, 1); + return ata_exec_internal_sg(dev, tf, cdb, dma_dir, psg, n_elem); } /** diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index 664e1377b54c7..a4790be41d1c5 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -1539,7 +1539,7 @@ static unsigned int ata_scsi_rbuf_get(struct scsi_cmnd *cmd, u8 **buf_out) struct scatterlist *sg; sg = (struct scatterlist *) cmd->request_buffer; - buf = kmap_atomic(sg->page, KM_USER0) + sg->offset; + buf = kmap_atomic(sg->page, KM_IRQ0) + sg->offset; buflen = sg->length; } else { buf = cmd->request_buffer; @@ -1567,7 +1567,7 @@ static inline void ata_scsi_rbuf_put(struct scsi_cmnd *cmd, u8 *buf) struct scatterlist *sg; sg = (struct scatterlist *) cmd->request_buffer; - kunmap_atomic(buf - sg->offset, KM_USER0); + kunmap_atomic(buf - sg->offset, KM_IRQ0); } } diff --git a/drivers/ata/pata_legacy.c b/drivers/ata/pata_legacy.c index c7d1738e4e696..e7bf9d89c8ee3 100644 --- a/drivers/ata/pata_legacy.c +++ b/drivers/ata/pata_legacy.c @@ -698,8 +698,10 @@ static __init int legacy_init_one(int port, unsigned long io, unsigned long ctrl goto fail_io; pdev = platform_device_register_simple(DRV_NAME, nr_legacy_host, NULL, 0); - if (pdev == NULL) + if (IS_ERR(pdev)) { + ret = PTR_ERR(pdev); goto fail_dev; + } if (ht6560a & mask) { ops = &ht6560a_port_ops; diff --git a/drivers/ata/pata_qdi.c b/drivers/ata/pata_qdi.c index 36f621abc3907..afc0d990e7d6d 100644 --- a/drivers/ata/pata_qdi.c +++ b/drivers/ata/pata_qdi.c @@ -247,8 +247,8 @@ static __init int qdi_init_one(unsigned long port, int type, unsigned long io, i */ pdev = platform_device_register_simple(DRV_NAME, nr_qdi_host, NULL, 0); - if (pdev == NULL) - return -ENOMEM; + if (IS_ERR(pdev)) + return PTR_ERR(pdev); memset(&ae, 0, sizeof(struct ata_probe_ent)); INIT_LIST_HEAD(&ae.node); diff --git a/drivers/ata/pata_rz1000.c b/drivers/ata/pata_rz1000.c index 3677c642c9f9c..adf4cc134f25c 100644 --- a/drivers/ata/pata_rz1000.c +++ b/drivers/ata/pata_rz1000.c @@ -105,8 +105,6 @@ static struct ata_port_operations rz1000_port_ops = { .exec_command = ata_exec_command, .dev_select = ata_std_dev_select, - .error_handler = rz1000_error_handler, - .bmdma_setup = ata_bmdma_setup, .bmdma_start = ata_bmdma_start, .bmdma_stop = ata_bmdma_stop, diff --git a/drivers/ata/pata_via.c b/drivers/ata/pata_via.c index cc09d47fb9274..ff93e8f71cf8e 100644 --- a/drivers/ata/pata_via.c +++ b/drivers/ata/pata_via.c @@ -161,10 +161,15 @@ static int via_pre_reset(struct ata_port *ap) return -ENOENT; } - if ((config->flags & VIA_UDMA) >= VIA_UDMA_66) + if ((config->flags & VIA_UDMA) >= VIA_UDMA_100) ap->cbl = via_cable_detect(ap); - else + /* The UDMA66 series has no cable detect so do drive side detect */ + else if ((config->flags & VIA_UDMA) < VIA_UDMA_66) ap->cbl = ATA_CBL_PATA40; + else + ap->cbl = ATA_CBL_PATA_UNK; + + return ata_std_prereset(ap); } diff --git a/drivers/ata/pata_winbond.c b/drivers/ata/pata_winbond.c index 3ea345cde52ed..5d1f518e1cc7a 100644 --- a/drivers/ata/pata_winbond.c +++ b/drivers/ata/pata_winbond.c @@ -206,8 +206,8 @@ static __init int winbond_init_one(unsigned long port) */ pdev = platform_device_register_simple(DRV_NAME, nr_winbond_host, NULL, 0); - if (pdev == NULL) - return -ENOMEM; + if (IS_ERR(pdev)) + return PTR_ERR(pdev); memset(&ae, 0, sizeof(struct ata_probe_ent)); INIT_LIST_HEAD(&ae.node); diff --git a/drivers/ata/pdc_adma.c b/drivers/ata/pdc_adma.c index 9021e34d20966..90786d7a20bbb 100644 --- a/drivers/ata/pdc_adma.c +++ b/drivers/ata/pdc_adma.c @@ -551,7 +551,7 @@ static int adma_port_start(struct ata_port *ap) return rc; adma_enter_reg_mode(ap); rc = -ENOMEM; - pp = kcalloc(1, sizeof(*pp), GFP_KERNEL); + pp = kzalloc(sizeof(*pp), GFP_KERNEL); if (!pp) goto err_out; pp->pkt = dma_alloc_coherent(dev, ADMA_PKT_BYTES, &pp->pkt_dma, @@ -672,7 +672,7 @@ static int adma_ata_init_one(struct pci_dev *pdev, if (rc) goto err_out_iounmap; - probe_ent = kcalloc(1, sizeof(*probe_ent), GFP_KERNEL); + probe_ent = kzalloc(sizeof(*probe_ent), GFP_KERNEL); if (probe_ent == NULL) { rc = -ENOMEM; goto err_out_iounmap; diff --git a/drivers/ata/sata_svw.c b/drivers/ata/sata_svw.c index db32d15b7fa1c..d89c9590b8453 100644 --- a/drivers/ata/sata_svw.c +++ b/drivers/ata/sata_svw.c @@ -56,6 +56,8 @@ #define DRV_VERSION "2.0" enum { + K2_FLAG_NO_ATAPI_DMA = (1 << 29), + /* Taskfile registers offsets */ K2_SATA_TF_CMD_OFFSET = 0x00, K2_SATA_TF_DATA_OFFSET = 0x00, @@ -83,11 +85,33 @@ enum { /* Port stride */ K2_SATA_PORT_OFFSET = 0x100, + + board_svw4 = 0, + board_svw8 = 1, +}; + +static const struct k2_board_info { + unsigned int n_ports; + unsigned long port_flags; +} k2_board_info[] = { + /* board_svw4 */ + { 4, K2_FLAG_NO_ATAPI_DMA }, + + /* board_svw8 */ + { 8, K2_FLAG_NO_ATAPI_DMA }, }; static u8 k2_stat_check_status(struct ata_port *ap); +static int k2_sata_check_atapi_dma(struct ata_queued_cmd *qc) +{ + if (qc->ap->flags & K2_FLAG_NO_ATAPI_DMA) + return -1; /* ATAPI DMA not supported */ + + return 0; +} + static u32 k2_sata_scr_read (struct ata_port *ap, unsigned int sc_reg) { if (sc_reg > SCR_CONTROL) @@ -313,6 +337,7 @@ static const struct ata_port_operations k2_sata_ops = { .check_status = k2_stat_check_status, .exec_command = ata_exec_command, .dev_select = ata_std_dev_select, + .check_atapi_dma = k2_sata_check_atapi_dma, .bmdma_setup = k2_bmdma_setup_mmio, .bmdma_start = k2_bmdma_start_mmio, .bmdma_stop = ata_bmdma_stop, @@ -359,6 +384,8 @@ static int k2_sata_init_one (struct pci_dev *pdev, const struct pci_device_id *e struct ata_probe_ent *probe_ent = NULL; unsigned long base; void __iomem *mmio_base; + const struct k2_board_info *board_info = + &k2_board_info[ent->driver_data]; int pci_dev_busy = 0; int rc; int i; @@ -424,7 +451,7 @@ static int k2_sata_init_one (struct pci_dev *pdev, const struct pci_device_id *e probe_ent->sht = &k2_sata_sht; probe_ent->port_flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY | - ATA_FLAG_MMIO; + ATA_FLAG_MMIO | board_info->port_flags; probe_ent->port_ops = &k2_sata_ops; probe_ent->n_ports = 4; probe_ent->irq = pdev->irq; @@ -441,7 +468,7 @@ static int k2_sata_init_one (struct pci_dev *pdev, const struct pci_device_id *e /* different controllers have different number of ports - currently 4 or 8 */ /* All ports are on the same function. Multi-function device is no * longer available. This should not be seen in any system. */ - for (i = 0; i < ent->driver_data; i++) + for (i = 0; i < board_info->n_ports; i++) k2_sata_setup_port(&probe_ent->port[i], base + i * K2_SATA_PORT_OFFSET); pci_set_master(pdev); @@ -469,11 +496,11 @@ err_out: * controller * */ static const struct pci_device_id k2_sata_pci_tbl[] = { - { PCI_VDEVICE(SERVERWORKS, 0x0240), 4 }, - { PCI_VDEVICE(SERVERWORKS, 0x0241), 4 }, - { PCI_VDEVICE(SERVERWORKS, 0x0242), 8 }, - { PCI_VDEVICE(SERVERWORKS, 0x024a), 4 }, - { PCI_VDEVICE(SERVERWORKS, 0x024b), 4 }, + { PCI_VDEVICE(SERVERWORKS, 0x0240), board_svw4 }, + { PCI_VDEVICE(SERVERWORKS, 0x0241), board_svw4 }, + { PCI_VDEVICE(SERVERWORKS, 0x0242), board_svw8 }, + { PCI_VDEVICE(SERVERWORKS, 0x024a), board_svw4 }, + { PCI_VDEVICE(SERVERWORKS, 0x024b), board_svw4 }, { } }; diff --git a/drivers/atm/eni.c b/drivers/atm/eni.c index bc1b13c8f5d71..5aab7bd473ac9 100644 --- a/drivers/atm/eni.c +++ b/drivers/atm/eni.c @@ -1832,7 +1832,7 @@ static int __devinit eni_start(struct atm_dev *dev) /* initialize memory management */ buffer_mem = eni_dev->mem - (buf - eni_dev->ram); eni_dev->free_list_size = buffer_mem/MID_MIN_BUF_SIZE/2; - eni_dev->free_list = (struct eni_free *) kmalloc( + eni_dev->free_list = kmalloc( sizeof(struct eni_free)*(eni_dev->free_list_size+1),GFP_KERNEL); if (!eni_dev->free_list) { printk(KERN_ERR DEV_LABEL "(itf %d): couldn't get free page\n", @@ -2232,7 +2232,7 @@ static int __devinit eni_init_one(struct pci_dev *pci_dev, goto out0; } - eni_dev = (struct eni_dev *) kmalloc(sizeof(struct eni_dev),GFP_KERNEL); + eni_dev = kmalloc(sizeof(struct eni_dev),GFP_KERNEL); if (!eni_dev) goto out0; if (!cpu_zeroes) { cpu_zeroes = pci_alloc_consistent(pci_dev,ENI_ZEROES_SIZE, diff --git a/drivers/atm/he.c b/drivers/atm/he.c index 7d9b4e52f0bf4..db33f6f4dd2a5 100644 --- a/drivers/atm/he.c +++ b/drivers/atm/he.c @@ -2351,7 +2351,7 @@ he_open(struct atm_vcc *vcc) cid = he_mkcid(he_dev, vpi, vci); - he_vcc = (struct he_vcc *) kmalloc(sizeof(struct he_vcc), GFP_ATOMIC); + he_vcc = kmalloc(sizeof(struct he_vcc), GFP_ATOMIC); if (he_vcc == NULL) { hprintk("unable to allocate he_vcc during open\n"); return -ENOMEM; diff --git a/drivers/atm/lanai.c b/drivers/atm/lanai.c index 267825501dfe6..09f477d4237a5 100644 --- a/drivers/atm/lanai.c +++ b/drivers/atm/lanai.c @@ -2602,7 +2602,7 @@ static int __devinit lanai_init_one(struct pci_dev *pci, struct atm_dev *atmdev; int result; - lanai = (struct lanai_dev *) kmalloc(sizeof(*lanai), GFP_KERNEL); + lanai = kmalloc(sizeof(*lanai), GFP_KERNEL); if (lanai == NULL) { printk(KERN_ERR DEV_LABEL ": couldn't allocate dev_data structure!\n"); diff --git a/drivers/atm/nicstar.c b/drivers/atm/nicstar.c index bd09045948054..aab9b3733d521 100644 --- a/drivers/atm/nicstar.c +++ b/drivers/atm/nicstar.c @@ -997,7 +997,7 @@ static scq_info *get_scq(int size, u32 scd) if (size != VBR_SCQSIZE && size != CBR_SCQSIZE) return NULL; - scq = (scq_info *) kmalloc(sizeof(scq_info), GFP_KERNEL); + scq = kmalloc(sizeof(scq_info), GFP_KERNEL); if (scq == NULL) return NULL; scq->org = kmalloc(2 * size, GFP_KERNEL); @@ -1006,7 +1006,7 @@ static scq_info *get_scq(int size, u32 scd) kfree(scq); return NULL; } - scq->skb = (struct sk_buff **) kmalloc(sizeof(struct sk_buff *) * + scq->skb = kmalloc(sizeof(struct sk_buff *) * (size / NS_SCQE_SIZE), GFP_KERNEL); if (scq->skb == NULL) { diff --git a/drivers/atm/zatm.c b/drivers/atm/zatm.c index 7df0f373188ea..756d4f760da3b 100644 --- a/drivers/atm/zatm.c +++ b/drivers/atm/zatm.c @@ -996,7 +996,7 @@ static int start_tx(struct atm_dev *dev) DPRINTK("start_tx\n"); zatm_dev = ZATM_DEV(dev); - zatm_dev->tx_map = (struct atm_vcc **) kmalloc(sizeof(struct atm_vcc *)* + zatm_dev->tx_map = kmalloc(sizeof(struct atm_vcc *)* zatm_dev->chans,GFP_KERNEL); if (!zatm_dev->tx_map) return -ENOMEM; zatm_dev->tx_bw = ATM_OC3_PCR; @@ -1591,7 +1591,7 @@ static int __devinit zatm_init_one(struct pci_dev *pci_dev, struct zatm_dev *zatm_dev; int ret = -ENOMEM; - zatm_dev = (struct zatm_dev *) kmalloc(sizeof(*zatm_dev), GFP_KERNEL); + zatm_dev = kmalloc(sizeof(*zatm_dev), GFP_KERNEL); if (!zatm_dev) { printk(KERN_EMERG "%s: memory shortage\n", DEV_LABEL); goto out; diff --git a/drivers/base/class.c b/drivers/base/class.c index f098881f45b28..8bf2ca2e56b53 100644 --- a/drivers/base/class.c +++ b/drivers/base/class.c @@ -163,6 +163,8 @@ int class_register(struct class * cls) void class_unregister(struct class * cls) { pr_debug("device class '%s': unregistering\n", cls->name); + if (cls->virtual_dir) + kobject_unregister(cls->virtual_dir); remove_class_attrs(cls); subsystem_unregister(&cls->subsys); } diff --git a/drivers/base/dmapool.c b/drivers/base/dmapool.c index dbe0735f8c9e6..f95d502772740 100644 --- a/drivers/base/dmapool.c +++ b/drivers/base/dmapool.c @@ -173,7 +173,7 @@ pool_alloc_page (struct dma_pool *pool, gfp_t mem_flags) mapsize = (mapsize + BITS_PER_LONG - 1) / BITS_PER_LONG; mapsize *= sizeof (long); - page = (struct dma_page *) kmalloc (mapsize + sizeof *page, mem_flags); + page = kmalloc(mapsize + sizeof *page, mem_flags); if (!page) return NULL; page->vaddr = dma_alloc_coherent (pool->dev, diff --git a/drivers/base/platform.c b/drivers/base/platform.c index d1df4a0879245..f9c903ba9fcd1 100644 --- a/drivers/base/platform.c +++ b/drivers/base/platform.c @@ -212,7 +212,7 @@ EXPORT_SYMBOL_GPL(platform_device_add_resources); * pointer. The memory associated with the platform data will be freed * when the platform device is released. */ -int platform_device_add_data(struct platform_device *pdev, void *data, size_t size) +int platform_device_add_data(struct platform_device *pdev, const void *data, size_t size) { void *d; @@ -473,7 +473,7 @@ EXPORT_SYMBOL_GPL(platform_driver_unregister); * Returns zero if the driver registered and bound to a device, else returns * a negative error code and with the driver not registered. */ -int platform_driver_probe(struct platform_driver *drv, +int __init_or_module platform_driver_probe(struct platform_driver *drv, int (*probe)(struct platform_device *)) { int retval, code; diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig index ce9cfcb6071c5..58c1debf86f1c 100644 --- a/drivers/block/Kconfig +++ b/drivers/block/Kconfig @@ -28,13 +28,6 @@ config ATARI_FLOPPY tristate "Atari floppy support" depends on ATARI -config BLK_DEV_SWIM_IOP - bool "Macintosh IIfx/Quadra 900/Quadra 950 floppy support (EXPERIMENTAL)" - depends on MAC && EXPERIMENTAL && BROKEN - help - Say Y here to support the SWIM (Super Woz Integrated Machine) IOP - floppy controller on the Macintosh IIfx and Quadra 900/950. - config MAC_FLOPPY tristate "Support for PowerMac floppy" depends on PPC_PMAC && !PPC_PMAC64 diff --git a/drivers/block/Makefile b/drivers/block/Makefile index 410f259a8031a..dd88e33c1eb10 100644 --- a/drivers/block/Makefile +++ b/drivers/block/Makefile @@ -9,7 +9,6 @@ obj-$(CONFIG_MAC_FLOPPY) += swim3.o obj-$(CONFIG_BLK_DEV_FD) += floppy.o obj-$(CONFIG_AMIGA_FLOPPY) += amiflop.o obj-$(CONFIG_ATARI_FLOPPY) += ataflop.o -obj-$(CONFIG_BLK_DEV_SWIM_IOP) += swim_iop.o obj-$(CONFIG_ATARI_ACSI) += acsi.o obj-$(CONFIG_ATARI_SLM) += acsi_slm.o obj-$(CONFIG_AMIGA_Z2RAM) += z2ram.o diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c index ee159edb6b88b..d719a5d8f4355 100644 --- a/drivers/block/cciss.c +++ b/drivers/block/cciss.c @@ -1039,7 +1039,7 @@ static int cciss_ioctl(struct inode *inode, struct file *filep, status = -ENOMEM; goto cleanup1; } - buff_size = (int *)kmalloc(MAXSGENTRIES * sizeof(int), + buff_size = kmalloc(MAXSGENTRIES * sizeof(int), GFP_KERNEL); if (!buff_size) { status = -ENOMEM; @@ -2837,7 +2837,7 @@ static int cciss_pci_init(ctlr_info_t *c, struct pci_dev *pdev) if (err) { printk(KERN_ERR "cciss: Cannot obtain PCI resources, " "aborting\n"); - goto err_out_disable_pdev; + return err; } subsystem_vendor_id = pdev->subsystem_vendor; @@ -2865,7 +2865,7 @@ static int cciss_pci_init(ctlr_info_t *c, struct pci_dev *pdev) #ifdef CCISS_DEBUG printk("address 0 = %x\n", c->paddr); #endif /* CCISS_DEBUG */ - c->vaddr = remap_pci_mem(c->paddr, 200); + c->vaddr = remap_pci_mem(c->paddr, 0x250); /* Wait for the board to become ready. (PCI hotplug needs this.) * We poll for up to 120 secs, once per 100ms. */ @@ -3004,11 +3004,12 @@ static int cciss_pci_init(ctlr_info_t *c, struct pci_dev *pdev) } return 0; - err_out_free_res: +err_out_free_res: + /* + * Deliberately omit pci_disable_device(): it does something nasty to + * Smart Array controllers that pci_enable_device does not undo + */ pci_release_regions(pdev); - - err_out_disable_pdev: - pci_disable_device(pdev); return err; } @@ -3382,8 +3383,11 @@ static int __devinit cciss_init_one(struct pci_dev *pdev, if (drv->queue) blk_cleanup_queue(drv->queue); } + /* + * Deliberately omit pci_disable_device(): it does something nasty to + * Smart Array controllers that pci_enable_device does not undo + */ pci_release_regions(pdev); - pci_disable_device(pdev); pci_set_drvdata(pdev, NULL); free_hba(i); return -1; @@ -3452,8 +3456,11 @@ static void __devexit cciss_remove_one(struct pci_dev *pdev) #ifdef CONFIG_CISS_SCSI_TAPE kfree(hba[i]->scsi_rejects.complete); #endif + /* + * Deliberately omit pci_disable_device(): it does something nasty to + * Smart Array controllers that pci_enable_device does not undo + */ pci_release_regions(pdev); - pci_disable_device(pdev); pci_set_drvdata(pdev, NULL); free_hba(i); } diff --git a/drivers/block/cpqarray.c b/drivers/block/cpqarray.c index d5f519ebbc084..b94cd1c321313 100644 --- a/drivers/block/cpqarray.c +++ b/drivers/block/cpqarray.c @@ -1625,7 +1625,7 @@ static void start_fwbk(int ctlr) " processing\n"); /* Command does not return anything, but idasend command needs a buffer */ - id_ctlr_buf = (id_ctlr_t *)kmalloc(sizeof(id_ctlr_t), GFP_KERNEL); + id_ctlr_buf = kmalloc(sizeof(id_ctlr_t), GFP_KERNEL); if(id_ctlr_buf==NULL) { printk(KERN_WARNING "cpqarray: Out of memory. " @@ -1660,14 +1660,14 @@ static void getgeometry(int ctlr) info_p->log_drv_map = 0; - id_ldrive = (id_log_drv_t *)kmalloc(sizeof(id_log_drv_t), GFP_KERNEL); + id_ldrive = kmalloc(sizeof(id_log_drv_t), GFP_KERNEL); if(id_ldrive == NULL) { printk( KERN_ERR "cpqarray: out of memory.\n"); return; } - id_ctlr_buf = (id_ctlr_t *)kmalloc(sizeof(id_ctlr_t), GFP_KERNEL); + id_ctlr_buf = kmalloc(sizeof(id_ctlr_t), GFP_KERNEL); if(id_ctlr_buf == NULL) { kfree(id_ldrive); @@ -1675,7 +1675,7 @@ static void getgeometry(int ctlr) return; } - id_lstatus_buf = (sense_log_drv_stat_t *)kmalloc(sizeof(sense_log_drv_stat_t), GFP_KERNEL); + id_lstatus_buf = kmalloc(sizeof(sense_log_drv_stat_t), GFP_KERNEL); if(id_lstatus_buf == NULL) { kfree(id_ctlr_buf); @@ -1684,7 +1684,7 @@ static void getgeometry(int ctlr) return; } - sense_config_buf = (config_t *)kmalloc(sizeof(config_t), GFP_KERNEL); + sense_config_buf = kmalloc(sizeof(config_t), GFP_KERNEL); if(sense_config_buf == NULL) { kfree(id_lstatus_buf); diff --git a/drivers/block/swim_iop.c b/drivers/block/swim_iop.c deleted file mode 100644 index ed7b06cf3e687..0000000000000 --- a/drivers/block/swim_iop.c +++ /dev/null @@ -1,578 +0,0 @@ -/* - * Driver for the SWIM (Super Woz Integrated Machine) IOP - * floppy controller on the Macintosh IIfx and Quadra 900/950 - * - * Written by Joshua M. Thompson (funaho@jurai.org) - * based on the SWIM3 driver (c) 1996 by Paul Mackerras. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - * - * 1999-06-12 (jmt) - Initial implementation. - */ - -/* - * ------------------- - * Theory of Operation - * ------------------- - * - * Since the SWIM IOP is message-driven we implement a simple request queue - * system. One outstanding request may be queued at any given time (this is - * an IOP limitation); only when that request has completed can a new request - * be sent. - */ - -#include <linux/stddef.h> -#include <linux/kernel.h> -#include <linux/sched.h> -#include <linux/timer.h> -#include <linux/delay.h> -#include <linux/fd.h> -#include <linux/ioctl.h> -#include <linux/blkdev.h> -#include <asm/io.h> -#include <asm/uaccess.h> -#include <asm/mac_iop.h> -#include <asm/swim_iop.h> - -#define DRIVER_VERSION "Version 0.1 (1999-06-12)" - -#define MAX_FLOPPIES 4 - -enum swim_state { - idle, - available, - revalidating, - transferring, - ejecting -}; - -struct floppy_state { - enum swim_state state; - int drive_num; /* device number */ - int secpercyl; /* disk geometry information */ - int secpertrack; - int total_secs; - int write_prot; /* 1 if write-protected, 0 if not, -1 dunno */ - int ref_count; - struct timer_list timeout; - int ejected; - struct wait_queue *wait; - int wanted; - int timeout_pending; -}; - -struct swim_iop_req { - int sent; - int complete; - __u8 command[32]; - struct floppy_state *fs; - void (*done)(struct swim_iop_req *); -}; - -static struct swim_iop_req *current_req; -static int floppy_count; - -static struct floppy_state floppy_states[MAX_FLOPPIES]; -static DEFINE_SPINLOCK(swim_iop_lock); - -#define CURRENT elv_next_request(swim_queue) - -static char *drive_names[7] = { - "not installed", /* DRV_NONE */ - "unknown (1)", /* DRV_UNKNOWN */ - "a 400K drive", /* DRV_400K */ - "an 800K drive" /* DRV_800K */ - "unknown (4)", /* ???? */ - "an FDHD", /* DRV_FDHD */ - "unknown (6)", /* ???? */ - "an Apple HD20" /* DRV_HD20 */ -}; - -int swimiop_init(void); -static void swimiop_init_request(struct swim_iop_req *); -static int swimiop_send_request(struct swim_iop_req *); -static void swimiop_receive(struct iop_msg *); -static void swimiop_status_update(int, struct swim_drvstatus *); -static int swimiop_eject(struct floppy_state *fs); - -static int floppy_ioctl(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long param); -static int floppy_open(struct inode *inode, struct file *filp); -static int floppy_release(struct inode *inode, struct file *filp); -static int floppy_check_change(struct gendisk *disk); -static int floppy_revalidate(struct gendisk *disk); -static int grab_drive(struct floppy_state *fs, enum swim_state state, - int interruptible); -static void release_drive(struct floppy_state *fs); -static void set_timeout(struct floppy_state *fs, int nticks, - void (*proc)(unsigned long)); -static void fd_request_timeout(unsigned long); -static void do_fd_request(request_queue_t * q); -static void start_request(struct floppy_state *fs); - -static struct block_device_operations floppy_fops = { - .open = floppy_open, - .release = floppy_release, - .ioctl = floppy_ioctl, - .media_changed = floppy_check_change, - .revalidate_disk= floppy_revalidate, -}; - -static struct request_queue *swim_queue; -/* - * SWIM IOP initialization - */ - -int swimiop_init(void) -{ - volatile struct swim_iop_req req; - struct swimcmd_status *cmd = (struct swimcmd_status *) &req.command[0]; - struct swim_drvstatus *ds = &cmd->status; - struct floppy_state *fs; - int i; - - current_req = NULL; - floppy_count = 0; - - if (!iop_ism_present) - return -ENODEV; - - if (register_blkdev(FLOPPY_MAJOR, "fd")) - return -EBUSY; - - swim_queue = blk_init_queue(do_fd_request, &swim_iop_lock); - if (!swim_queue) { - unregister_blkdev(FLOPPY_MAJOR, "fd"); - return -ENOMEM; - } - - printk("SWIM-IOP: %s by Joshua M. Thompson (funaho@jurai.org)\n", - DRIVER_VERSION); - - if (iop_listen(SWIM_IOP, SWIM_CHAN, swimiop_receive, "SWIM") != 0) { - printk(KERN_ERR "SWIM-IOP: IOP channel already in use; can't initialize.\n"); - unregister_blkdev(FLOPPY_MAJOR, "fd"); - blk_cleanup_queue(swim_queue); - return -EBUSY; - } - - printk(KERN_ERR "SWIM_IOP: probing for installed drives.\n"); - - for (i = 0 ; i < MAX_FLOPPIES ; i++) { - memset(&floppy_states[i], 0, sizeof(struct floppy_state)); - fs = &floppy_states[floppy_count]; - - swimiop_init_request(&req); - cmd->code = CMD_STATUS; - cmd->drive_num = i + 1; - if (swimiop_send_request(&req) != 0) continue; - while (!req.complete); - if (cmd->error != 0) { - printk(KERN_ERR "SWIM-IOP: probe on drive %d returned error %d\n", i, (uint) cmd->error); - continue; - } - if (ds->installed != 0x01) continue; - printk("SWIM-IOP: drive %d is %s (%s, %s, %s, %s)\n", i, - drive_names[ds->info.type], - ds->info.external? "ext" : "int", - ds->info.scsi? "scsi" : "floppy", - ds->info.fixed? "fixed" : "removable", - ds->info.secondary? "secondary" : "primary"); - swimiop_status_update(floppy_count, ds); - fs->state = idle; - - init_timer(&fs->timeout); - floppy_count++; - } - printk("SWIM-IOP: detected %d installed drives.\n", floppy_count); - - for (i = 0; i < floppy_count; i++) { - struct gendisk *disk = alloc_disk(1); - if (!disk) - continue; - disk->major = FLOPPY_MAJOR; - disk->first_minor = i; - disk->fops = &floppy_fops; - sprintf(disk->disk_name, "fd%d", i); - disk->private_data = &floppy_states[i]; - disk->queue = swim_queue; - set_capacity(disk, 2880 * 2); - add_disk(disk); - } - - return 0; -} - -static void swimiop_init_request(struct swim_iop_req *req) -{ - req->sent = 0; - req->complete = 0; - req->done = NULL; -} - -static int swimiop_send_request(struct swim_iop_req *req) -{ - unsigned long flags; - int err; - - /* It's doubtful an interrupt routine would try to send */ - /* a SWIM request, but I'd rather play it safe here. */ - - local_irq_save(flags); - - if (current_req != NULL) { - local_irq_restore(flags); - return -ENOMEM; - } - - current_req = req; - - /* Interrupts should be back on for iop_send_message() */ - - local_irq_restore(flags); - - err = iop_send_message(SWIM_IOP, SWIM_CHAN, (void *) req, - sizeof(req->command), (__u8 *) &req->command[0], - swimiop_receive); - - /* No race condition here; we own current_req at this point */ - - if (err) { - current_req = NULL; - } else { - req->sent = 1; - } - return err; -} - -/* - * Receive a SWIM message from the IOP. - * - * This will be called in two cases: - * - * 1. A message has been successfully sent to the IOP. - * 2. An unsolicited message was received from the IOP. - */ - -void swimiop_receive(struct iop_msg *msg) -{ - struct swim_iop_req *req; - struct swimmsg_status *sm; - struct swim_drvstatus *ds; - - req = current_req; - - switch(msg->status) { - case IOP_MSGSTATUS_COMPLETE: - memcpy(&req->command[0], &msg->reply[0], sizeof(req->command)); - req->complete = 1; - if (req->done) (*req->done)(req); - current_req = NULL; - break; - case IOP_MSGSTATUS_UNSOL: - sm = (struct swimmsg_status *) &msg->message[0]; - ds = &sm->status; - swimiop_status_update(sm->drive_num, ds); - iop_complete_message(msg); - break; - } -} - -static void swimiop_status_update(int drive_num, struct swim_drvstatus *ds) -{ - struct floppy_state *fs = &floppy_states[drive_num]; - - fs->write_prot = (ds->write_prot == 0x80); - if ((ds->disk_in_drive != 0x01) && (ds->disk_in_drive != 0x02)) { - fs->ejected = 1; - } else { - fs->ejected = 0; - } - switch(ds->info.type) { - case DRV_400K: - fs->secpercyl = 10; - fs->secpertrack = 10; - fs->total_secs = 800; - break; - case DRV_800K: - fs->secpercyl = 20; - fs->secpertrack = 10; - fs->total_secs = 1600; - break; - case DRV_FDHD: - fs->secpercyl = 36; - fs->secpertrack = 18; - fs->total_secs = 2880; - break; - default: - fs->secpercyl = 0; - fs->secpertrack = 0; - fs->total_secs = 0; - break; - } -} - -static int swimiop_eject(struct floppy_state *fs) -{ - int err, n; - struct swim_iop_req req; - struct swimcmd_eject *cmd = (struct swimcmd_eject *) &req.command[0]; - - err = grab_drive(fs, ejecting, 1); - if (err) return err; - - swimiop_init_request(&req); - cmd->code = CMD_EJECT; - cmd->drive_num = fs->drive_num; - err = swimiop_send_request(&req); - if (err) { - release_drive(fs); - return err; - } - for (n = 2*HZ; n > 0; --n) { - if (req.complete) break; - if (signal_pending(current)) { - err = -EINTR; - break; - } - schedule_timeout_interruptible(1); - } - release_drive(fs); - return cmd->error; -} - -static struct floppy_struct floppy_type = - { 2880,18,2,80,0,0x1B,0x00,0xCF,0x6C,NULL }; /* 7 1.44MB 3.5" */ - -static int floppy_ioctl(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long param) -{ - struct floppy_state *fs = inode->i_bdev->bd_disk->private_data; - int err; - - if ((cmd & 0x80) && !capable(CAP_SYS_ADMIN)) - return -EPERM; - - switch (cmd) { - case FDEJECT: - if (fs->ref_count != 1) - return -EBUSY; - err = swimiop_eject(fs); - return err; - case FDGETPRM: - if (copy_to_user((void *) param, (void *) &floppy_type, - sizeof(struct floppy_struct))) - return -EFAULT; - return 0; - } - return -ENOTTY; -} - -static int floppy_open(struct inode *inode, struct file *filp) -{ - struct floppy_state *fs = inode->i_bdev->bd_disk->private_data; - - if (fs->ref_count == -1 || filp->f_flags & O_EXCL) - return -EBUSY; - - if ((filp->f_flags & O_NDELAY) == 0 && (filp->f_mode & 3)) { - check_disk_change(inode->i_bdev); - if (fs->ejected) - return -ENXIO; - } - - if ((filp->f_mode & 2) && fs->write_prot) - return -EROFS; - - if (filp->f_flags & O_EXCL) - fs->ref_count = -1; - else - ++fs->ref_count; - - return 0; -} - -static int floppy_release(struct inode *inode, struct file *filp) -{ - struct floppy_state *fs = inode->i_bdev->bd_disk->private_data; - if (fs->ref_count > 0) - fs->ref_count--; - return 0; -} - -static int floppy_check_change(struct gendisk *disk) -{ - struct floppy_state *fs = disk->private_data; - return fs->ejected; -} - -static int floppy_revalidate(struct gendisk *disk) -{ - struct floppy_state *fs = disk->private_data; - grab_drive(fs, revalidating, 0); - /* yadda, yadda */ - release_drive(fs); - return 0; -} - -static void floppy_off(unsigned int nr) -{ -} - -static int grab_drive(struct floppy_state *fs, enum swim_state state, - int interruptible) -{ - unsigned long flags; - - local_irq_save(flags); - if (fs->state != idle) { - ++fs->wanted; - while (fs->state != available) { - if (interruptible && signal_pending(current)) { - --fs->wanted; - local_irq_restore(flags); - return -EINTR; - } - interruptible_sleep_on(&fs->wait); - } - --fs->wanted; - } - fs->state = state; - local_irq_restore(flags); - return 0; -} - -static void release_drive(struct floppy_state *fs) -{ - unsigned long flags; - - local_irq_save(flags); - fs->state = idle; - start_request(fs); - local_irq_restore(flags); -} - -static void set_timeout(struct floppy_state *fs, int nticks, - void (*proc)(unsigned long)) -{ - unsigned long flags; - - local_irq_save(flags); - if (fs->timeout_pending) - del_timer(&fs->timeout); - init_timer(&fs->timeout); - fs->timeout.expires = jiffies + nticks; - fs->timeout.function = proc; - fs->timeout.data = (unsigned long) fs; - add_timer(&fs->timeout); - fs->timeout_pending = 1; - local_irq_restore(flags); -} - -static void do_fd_request(request_queue_t * q) -{ - int i; - - for (i = 0 ; i < floppy_count ; i++) { - start_request(&floppy_states[i]); - } -} - -static void fd_request_complete(struct swim_iop_req *req) -{ - struct floppy_state *fs = req->fs; - struct swimcmd_rw *cmd = (struct swimcmd_rw *) &req->command[0]; - - del_timer(&fs->timeout); - fs->timeout_pending = 0; - fs->state = idle; - if (cmd->error) { - printk(KERN_ERR "SWIM-IOP: error %d on read/write request.\n", cmd->error); - end_request(CURRENT, 0); - } else { - CURRENT->sector += cmd->num_blocks; - CURRENT->current_nr_sectors -= cmd->num_blocks; - if (CURRENT->current_nr_sectors <= 0) { - end_request(CURRENT, 1); - return; - } - } - start_request(fs); -} - -static void fd_request_timeout(unsigned long data) -{ - struct floppy_state *fs = (struct floppy_state *) data; - - fs->timeout_pending = 0; - end_request(CURRENT, 0); - fs->state = idle; -} - -static void start_request(struct floppy_state *fs) -{ - volatile struct swim_iop_req req; - struct swimcmd_rw *cmd = (struct swimcmd_rw *) &req.command[0]; - - if (fs->state == idle && fs->wanted) { - fs->state = available; - wake_up(&fs->wait); - return; - } - while (CURRENT && fs->state == idle) { - if (CURRENT->bh && !buffer_locked(CURRENT->bh)) - panic("floppy: block not locked"); -#if 0 - printk("do_fd_req: dev=%s cmd=%d sec=%ld nr_sec=%ld buf=%p\n", - CURRENT->rq_disk->disk_name, CURRENT->cmd, - CURRENT->sector, CURRENT->nr_sectors, CURRENT->buffer); - printk(" errors=%d current_nr_sectors=%ld\n", - CURRENT->errors, CURRENT->current_nr_sectors); -#endif - - if (CURRENT->sector < 0 || CURRENT->sector >= fs->total_secs) { - end_request(CURRENT, 0); - continue; - } - if (CURRENT->current_nr_sectors == 0) { - end_request(CURRENT, 1); - continue; - } - if (fs->ejected) { - end_request(CURRENT, 0); - continue; - } - - swimiop_init_request(&req); - req.fs = fs; - req.done = fd_request_complete; - - if (CURRENT->cmd == WRITE) { - if (fs->write_prot) { - end_request(CURRENT, 0); - continue; - } - cmd->code = CMD_WRITE; - } else { - cmd->code = CMD_READ; - - } - cmd->drive_num = fs->drive_num; - cmd->buffer = CURRENT->buffer; - cmd->first_block = CURRENT->sector; - cmd->num_blocks = CURRENT->current_nr_sectors; - - if (swimiop_send_request(&req)) { - end_request(CURRENT, 0); - continue; - } - - set_timeout(fs, HZ*CURRENT->current_nr_sectors, - fd_request_timeout); - - fs->state = transferring; - } -} diff --git a/drivers/cdrom/cdrom.c b/drivers/cdrom/cdrom.c index 2df5cf4ec7432..e4a2f8f3a1d76 100644 --- a/drivers/cdrom/cdrom.c +++ b/drivers/cdrom/cdrom.c @@ -1810,7 +1810,7 @@ static int dvd_read_disckey(struct cdrom_device_info *cdi, dvd_struct *s) size = sizeof(s->disckey.value) + 4; - if ((buf = (u_char *) kmalloc(size, GFP_KERNEL)) == NULL) + if ((buf = kmalloc(size, GFP_KERNEL)) == NULL) return -ENOMEM; init_cdrom_command(&cgc, buf, size, CGC_DATA_READ); @@ -1861,7 +1861,7 @@ static int dvd_read_manufact(struct cdrom_device_info *cdi, dvd_struct *s) size = sizeof(s->manufact.value) + 4; - if ((buf = (u_char *) kmalloc(size, GFP_KERNEL)) == NULL) + if ((buf = kmalloc(size, GFP_KERNEL)) == NULL) return -ENOMEM; init_cdrom_command(&cgc, buf, size, CGC_DATA_READ); @@ -2849,7 +2849,7 @@ static int mmc_ioctl(struct cdrom_device_info *cdi, unsigned int cmd, /* FIXME: we need upper bound checking, too!! */ if (lba < 0) return -EINVAL; - cgc.buffer = (char *) kmalloc(blocksize, GFP_KERNEL); + cgc.buffer = kmalloc(blocksize, GFP_KERNEL); if (cgc.buffer == NULL) return -ENOMEM; memset(&sense, 0, sizeof(sense)); @@ -3031,7 +3031,7 @@ static int mmc_ioctl(struct cdrom_device_info *cdi, unsigned int cmd, int size = sizeof(dvd_struct); if (!CDROM_CAN(CDC_DVD)) return -ENOSYS; - if ((s = (dvd_struct *) kmalloc(size, GFP_KERNEL)) == NULL) + if ((s = kmalloc(size, GFP_KERNEL)) == NULL) return -ENOMEM; cdinfo(CD_DO_IOCTL, "entering DVD_READ_STRUCT\n"); if (copy_from_user(s, (dvd_struct __user *)arg, size)) { diff --git a/drivers/cdrom/cm206.c b/drivers/cdrom/cm206.c index e6d8e9ededeae..b6c61bbb20e13 100644 --- a/drivers/cdrom/cm206.c +++ b/drivers/cdrom/cm206.c @@ -1420,7 +1420,7 @@ int __init cm206_init(void) return -EIO; } printk(" adapter at 0x%x", cm206_base); - cd = (struct cm206_struct *) kmalloc(size, GFP_KERNEL); + cd = kmalloc(size, GFP_KERNEL); if (!cd) goto out_base; /* Now we have found the adaptor card, try to reset it. As we have diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig index 0a3aee29e067b..9e43e39dc35c0 100644 --- a/drivers/char/Kconfig +++ b/drivers/char/Kconfig @@ -97,7 +97,7 @@ config SERIAL_NONSTANDARD config COMPUTONE tristate "Computone IntelliPort Plus serial support" - depends on SERIAL_NONSTANDARD + depends on SERIAL_NONSTANDARD && (ISA || EISA || PCI) ---help--- This driver supports the entire family of Intelliport II/Plus controllers with the exception of the MicroChannel controllers and @@ -203,7 +203,7 @@ config MOXA_SMARTIO config MOXA_SMARTIO_NEW tristate "Moxa SmartIO support v. 2.0 (EXPERIMENTAL)" - depends on SERIAL_NONSTANDARD + depends on SERIAL_NONSTANDARD && (PCI || EISA || ISA) help Say Y here if you have a Moxa SmartIO multiport serial card and/or want to help develop a new version of this driver. @@ -218,7 +218,7 @@ config MOXA_SMARTIO_NEW config ISI tristate "Multi-Tech multiport card support (EXPERIMENTAL)" - depends on SERIAL_NONSTANDARD + depends on SERIAL_NONSTANDARD && PCI select FW_LOADER help This is a driver for the Multi-Tech cards which provide several @@ -312,7 +312,7 @@ config SPECIALIX_RTSCTS config SX tristate "Specialix SX (and SI) card support" - depends on SERIAL_NONSTANDARD + depends on SERIAL_NONSTANDARD && (PCI || EISA || ISA) help This is a driver for the SX and SI multiport serial cards. Please read the file <file:Documentation/sx.txt> for details. diff --git a/drivers/char/consolemap.c b/drivers/char/consolemap.c index 04a12027a740a..b99b7561260dc 100644 --- a/drivers/char/consolemap.c +++ b/drivers/char/consolemap.c @@ -443,7 +443,7 @@ int con_clear_unimap(struct vc_data *vc, struct unimapinit *ui) p = (struct uni_pagedir *)*vc->vc_uni_pagedir_loc; if (p && p->readonly) return -EIO; if (!p || --p->refcount) { - q = (struct uni_pagedir *)kmalloc(sizeof(*p), GFP_KERNEL); + q = kmalloc(sizeof(*p), GFP_KERNEL); if (!q) { if (p) p->refcount++; return -ENOMEM; diff --git a/drivers/char/lcd.c b/drivers/char/lcd.c index da601fd6c07ae..d649abbf08574 100644 --- a/drivers/char/lcd.c +++ b/drivers/char/lcd.c @@ -459,7 +459,7 @@ static int lcd_ioctl(struct inode *inode, struct file *file, (&display, (struct lcd_display *) arg, sizeof(struct lcd_display))) return -EFAULT; - rom = (unsigned char *) kmalloc((128), GFP_ATOMIC); + rom = kmalloc((128), GFP_ATOMIC); if (rom == NULL) { printk(KERN_ERR LCD "kmalloc() failed in %s\n", __FUNCTION__); diff --git a/drivers/char/lp.c b/drivers/char/lp.c index b70b5388b5a81..b51d08be0bcfe 100644 --- a/drivers/char/lp.c +++ b/drivers/char/lp.c @@ -525,7 +525,7 @@ static int lp_open(struct inode * inode, struct file * file) return -EIO; } } - lp_table[minor].lp_buffer = (char *) kmalloc(LP_BUFFER_SIZE, GFP_KERNEL); + lp_table[minor].lp_buffer = kmalloc(LP_BUFFER_SIZE, GFP_KERNEL); if (!lp_table[minor].lp_buffer) { LP_F(minor) &= ~LP_BUSY; return -ENOMEM; diff --git a/drivers/char/mxser_new.c b/drivers/char/mxser_new.c index efa8076c33e04..cd989dce7c538 100644 --- a/drivers/char/mxser_new.c +++ b/drivers/char/mxser_new.c @@ -315,6 +315,7 @@ static struct mxser_mon_ext mon_data_ext; static int mxser_set_baud_method[MXSER_PORTS + 1]; static spinlock_t gm_lock; +#ifdef CONFIG_PCI static int CheckIsMoxaMust(int io) { u8 oldmcr, hwid; @@ -337,6 +338,7 @@ static int CheckIsMoxaMust(int io) } return MOXA_OTHER_UART; } +#endif static void process_txrx_fifo(struct mxser_port *info) { @@ -2380,9 +2382,11 @@ static void mxser_release_res(struct mxser_board *brd, struct pci_dev *pdev, if (irq) free_irq(brd->irq, brd); if (pdev != NULL) { /* PCI */ +#ifdef CONFIG_PCI pci_release_region(pdev, 2); pci_release_region(pdev, 3); pci_dev_put(pdev); +#endif } else { release_region(brd->ports[0].ioaddr, 8 * brd->info->nports); release_region(brd->vector, 1); @@ -2546,6 +2550,7 @@ static int __init mxser_get_ISA_conf(int cap, struct mxser_board *brd) static int __devinit mxser_probe(struct pci_dev *pdev, const struct pci_device_id *ent) { +#ifdef CONFIG_PCI struct mxser_board *brd; unsigned int i, j; unsigned long ioaddress; @@ -2644,6 +2649,9 @@ err_relio: brd->info = NULL; err: return retval; +#else + return -ENODEV; +#endif } static void __devexit mxser_remove(struct pci_dev *pdev) diff --git a/drivers/char/n_r3964.c b/drivers/char/n_r3964.c index 103d338f21e24..dc6d418414576 100644 --- a/drivers/char/n_r3964.c +++ b/drivers/char/n_r3964.c @@ -125,8 +125,8 @@ static void transmit_block(struct r3964_info *pInfo); static void receive_char(struct r3964_info *pInfo, const unsigned char c); static void receive_error(struct r3964_info *pInfo, const char flag); static void on_timeout(unsigned long priv); -static int enable_signals(struct r3964_info *pInfo, pid_t pid, int arg); -static int read_telegram(struct r3964_info *pInfo, pid_t pid, unsigned char __user *buf); +static int enable_signals(struct r3964_info *pInfo, struct pid *pid, int arg); +static int read_telegram(struct r3964_info *pInfo, struct pid *pid, unsigned char __user *buf); static void add_msg(struct r3964_client_info *pClient, int msg_id, int arg, int error_code, struct r3964_block_header *pBlock); static struct r3964_message* remove_msg(struct r3964_info *pInfo, @@ -829,7 +829,7 @@ static void on_timeout(unsigned long priv) } static struct r3964_client_info *findClient( - struct r3964_info *pInfo, pid_t pid) + struct r3964_info *pInfo, struct pid *pid) { struct r3964_client_info *pClient; @@ -843,7 +843,7 @@ static struct r3964_client_info *findClient( return NULL; } -static int enable_signals(struct r3964_info *pInfo, pid_t pid, int arg) +static int enable_signals(struct r3964_info *pInfo, struct pid *pid, int arg) { struct r3964_client_info *pClient; struct r3964_client_info **ppClient; @@ -858,7 +858,7 @@ static int enable_signals(struct r3964_info *pInfo, pid_t pid, int arg) if(pClient->pid == pid) { - TRACE_PS("removing client %d from client list", pid); + TRACE_PS("removing client %d from client list", pid_nr(pid)); *ppClient = pClient->next; while(pClient->msg_count) { @@ -869,6 +869,7 @@ static int enable_signals(struct r3964_info *pInfo, pid_t pid, int arg) TRACE_M("enable_signals - msg kfree %p",pMsg); } } + put_pid(pClient->pid); kfree(pClient); TRACE_M("enable_signals - kfree %p",pClient); return 0; @@ -892,10 +893,10 @@ static int enable_signals(struct r3964_info *pInfo, pid_t pid, int arg) if(pClient==NULL) return -ENOMEM; - TRACE_PS("add client %d to client list", pid); + TRACE_PS("add client %d to client list", pid_nr(pid)); spin_lock_init(&pClient->lock); pClient->sig_flags=arg; - pClient->pid = pid; + pClient->pid = get_pid(pid); pClient->next=pInfo->firstClient; pClient->first_msg = NULL; pClient->last_msg = NULL; @@ -908,7 +909,7 @@ static int enable_signals(struct r3964_info *pInfo, pid_t pid, int arg) return 0; } -static int read_telegram(struct r3964_info *pInfo, pid_t pid, unsigned char __user *buf) +static int read_telegram(struct r3964_info *pInfo, struct pid *pid, unsigned char __user *buf) { struct r3964_client_info *pClient; struct r3964_block_header *block; @@ -1005,7 +1006,7 @@ queue_the_message: /* Send SIGIO signal to client process: */ if(pClient->sig_flags & R3964_USE_SIGIO) { - kill_proc(pClient->pid, SIGIO, 1); + kill_pid(pClient->pid, SIGIO, 1); } } @@ -1042,7 +1043,7 @@ static void remove_client_block(struct r3964_info *pInfo, { struct r3964_block_header *block; - TRACE_PS("remove_client_block PID %d", pClient->pid); + TRACE_PS("remove_client_block PID %d", pid_nr(pClient->pid)); block=pClient->next_block_to_read; if(block) @@ -1157,6 +1158,7 @@ static void r3964_close(struct tty_struct *tty) TRACE_M("r3964_close - msg kfree %p",pMsg); } } + put_pid(pClient->pid); kfree(pClient); TRACE_M("r3964_close - client kfree %p",pClient); pClient=pNext; @@ -1193,12 +1195,11 @@ static ssize_t r3964_read(struct tty_struct *tty, struct file *file, struct r3964_client_message theMsg; DECLARE_WAITQUEUE (wait, current); - int pid = current->pid; int count; TRACE_L("read()"); - pClient=findClient(pInfo, pid); + pClient=findClient(pInfo, task_pid(current)); if(pClient) { pMsg = remove_msg(pInfo, pClient); @@ -1252,7 +1253,6 @@ static ssize_t r3964_write(struct tty_struct * tty, struct file * file, struct r3964_block_header *pHeader; struct r3964_client_info *pClient; unsigned char *new_data; - int pid; TRACE_L("write request, %d characters", count); /* @@ -1295,9 +1295,7 @@ static ssize_t r3964_write(struct tty_struct * tty, struct file * file, pHeader->locks = 0; pHeader->owner = NULL; - pid=current->pid; - - pClient=findClient(pInfo, pid); + pClient=findClient(pInfo, task_pid(current)); if(pClient) { pHeader->owner = pClient; @@ -1328,7 +1326,7 @@ static int r3964_ioctl(struct tty_struct * tty, struct file * file, switch(cmd) { case R3964_ENABLE_SIGNALS: - return enable_signals(pInfo, current->pid, arg); + return enable_signals(pInfo, task_pid(current), arg); case R3964_SETPRIORITY: if(arg<R3964_MASTER || arg>R3964_SLAVE) return -EINVAL; @@ -1341,7 +1339,7 @@ static int r3964_ioctl(struct tty_struct * tty, struct file * file, pInfo->flags &= ~R3964_BCC; return 0; case R3964_READ_TELEGRAM: - return read_telegram(pInfo, current->pid, (unsigned char __user *)arg); + return read_telegram(pInfo, task_pid(current), (unsigned char __user *)arg); default: return -ENOIOCTLCMD; } @@ -1357,7 +1355,6 @@ static unsigned int r3964_poll(struct tty_struct * tty, struct file * file, struct poll_table_struct *wait) { struct r3964_info *pInfo=(struct r3964_info*)tty->disc_data; - int pid=current->pid; struct r3964_client_info *pClient; struct r3964_message *pMsg=NULL; unsigned long flags; @@ -1365,7 +1362,7 @@ static unsigned int r3964_poll(struct tty_struct * tty, struct file * file, TRACE_L("POLL"); - pClient=findClient(pInfo,pid); + pClient=findClient(pInfo, task_pid(current)); if(pClient) { poll_wait(file, &pInfo->read_wait, wait); diff --git a/drivers/char/n_tty.c b/drivers/char/n_tty.c index e96a00fe13891..2bdb0144a22e3 100644 --- a/drivers/char/n_tty.c +++ b/drivers/char/n_tty.c @@ -1151,7 +1151,6 @@ static int copy_from_read_buf(struct tty_struct *tty, n = min(*nr, n); spin_unlock_irqrestore(&tty->read_lock, flags); if (n) { - mb(); retval = copy_to_user(*b, &tty->read_buf[tty->read_tail], n); n -= retval; spin_lock_irqsave(&tty->read_lock, flags); diff --git a/drivers/char/pcmcia/synclink_cs.c b/drivers/char/pcmcia/synclink_cs.c index 5152cedd8878f..f108c136800a2 100644 --- a/drivers/char/pcmcia/synclink_cs.c +++ b/drivers/char/pcmcia/synclink_cs.c @@ -541,7 +541,7 @@ static int mgslpc_probe(struct pcmcia_device *link) if (debug_level >= DEBUG_LEVEL_INFO) printk("mgslpc_attach\n"); - info = (MGSLPC_INFO *)kmalloc(sizeof(MGSLPC_INFO), GFP_KERNEL); + info = kmalloc(sizeof(MGSLPC_INFO), GFP_KERNEL); if (!info) { printk("Error can't allocate device instance data\n"); return -ENOMEM; diff --git a/drivers/char/rio/riocmd.c b/drivers/char/rio/riocmd.c index 167ebc84e8d73..245f03195b7c6 100644 --- a/drivers/char/rio/riocmd.c +++ b/drivers/char/rio/riocmd.c @@ -556,7 +556,7 @@ struct CmdBlk *RIOGetCmdBlk(void) { struct CmdBlk *CmdBlkP; - CmdBlkP = (struct CmdBlk *)kmalloc(sizeof(struct CmdBlk), GFP_ATOMIC); + CmdBlkP = kmalloc(sizeof(struct CmdBlk), GFP_ATOMIC); if (CmdBlkP) memset(CmdBlkP, 0, sizeof(struct CmdBlk)); return CmdBlkP; diff --git a/drivers/char/rtc.c b/drivers/char/rtc.c index 66a7385bc34ae..e1d70e8b62687 100644 --- a/drivers/char/rtc.c +++ b/drivers/char/rtc.c @@ -113,7 +113,7 @@ static int rtc_has_irq = 1; #define hpet_set_rtc_irq_bit(arg) 0 #define hpet_rtc_timer_init() do { } while (0) #define hpet_rtc_dropped_irq() 0 -static inline irqreturn_t hpet_rtc_interrupt(int irq, void *dev_id) {return 0;} +static irqreturn_t hpet_rtc_interrupt(int irq, void *dev_id) {return 0;} #else extern irqreturn_t hpet_rtc_interrupt(int irq, void *dev_id); #endif @@ -165,7 +165,9 @@ static void mask_rtc_irq_bit(unsigned char bit) } #endif +#ifdef CONFIG_PROC_FS static int rtc_proc_open(struct inode *inode, struct file *file); +#endif /* * Bits in rtc_status. (6 bits of room for future expansion) @@ -906,6 +908,7 @@ static struct miscdevice rtc_dev = { .fops = &rtc_fops, }; +#ifdef CONFIG_PROC_FS static const struct file_operations rtc_proc_fops = { .owner = THIS_MODULE, .open = rtc_proc_open, @@ -913,14 +916,13 @@ static const struct file_operations rtc_proc_fops = { .llseek = seq_lseek, .release = single_release, }; - -#if defined(RTC_IRQ) && !defined(__sparc__) -static irq_handler_t rtc_int_handler_ptr; #endif static int __init rtc_init(void) { +#ifdef CONFIG_PROC_FS struct proc_dir_entry *ent; +#endif #if defined(__alpha__) || defined(__mips__) unsigned int year, ctrl; char *guess = NULL; @@ -932,9 +934,11 @@ static int __init rtc_init(void) struct sparc_isa_bridge *isa_br; struct sparc_isa_device *isa_dev; #endif -#endif -#ifndef __sparc__ +#else void *r; +#ifdef RTC_IRQ + irq_handler_t rtc_int_handler_ptr; +#endif #endif #ifdef __sparc__ @@ -958,6 +962,7 @@ static int __init rtc_init(void) } } #endif + rtc_has_irq = 0; printk(KERN_ERR "rtc_init: no PC rtc found\n"); return -EIO; @@ -972,6 +977,7 @@ found: * PCI Slot 2 INTA# (and some INTx# in Slot 1). */ if (request_irq(rtc_irq, rtc_interrupt, IRQF_SHARED, "rtc", (void *)&rtc_port)) { + rtc_has_irq = 0; printk(KERN_ERR "rtc: cannot register IRQ %d\n", rtc_irq); return -EIO; } @@ -982,6 +988,9 @@ no_irq: else r = request_mem_region(RTC_PORT(0), RTC_IO_EXTENT, "rtc"); if (!r) { +#ifdef RTC_IRQ + rtc_has_irq = 0; +#endif printk(KERN_ERR "rtc: I/O resource %lx is not free.\n", (long)(RTC_PORT(0))); return -EIO; @@ -996,6 +1005,7 @@ no_irq: if(request_irq(RTC_IRQ, rtc_int_handler_ptr, IRQF_DISABLED, "rtc", NULL)) { /* Yeah right, seeing as irq 8 doesn't even hit the bus. */ + rtc_has_irq = 0; printk(KERN_ERR "rtc: IRQ %d is not free.\n", RTC_IRQ); if (RTC_IOMAPPED) release_region(RTC_PORT(0), RTC_IO_EXTENT); @@ -1012,21 +1022,19 @@ no_irq: if (misc_register(&rtc_dev)) { #ifdef RTC_IRQ free_irq(RTC_IRQ, NULL); + rtc_has_irq = 0; #endif release_region(RTC_PORT(0), RTC_IO_EXTENT); return -ENODEV; } +#ifdef CONFIG_PROC_FS ent = create_proc_entry("driver/rtc", 0, NULL); - if (!ent) { -#ifdef RTC_IRQ - free_irq(RTC_IRQ, NULL); + if (ent) + ent->proc_fops = &rtc_proc_fops; + else + printk(KERN_WARNING "rtc: Failed to register with procfs.\n"); #endif - release_region(RTC_PORT(0), RTC_IO_EXTENT); - misc_deregister(&rtc_dev); - return -ENOMEM; - } - ent->proc_fops = &rtc_proc_fops; #if defined(__alpha__) || defined(__mips__) rtc_freq = HZ; @@ -1159,6 +1167,7 @@ static void rtc_dropped_irq(unsigned long data) } #endif +#ifdef CONFIG_PROC_FS /* * Info exported via "/proc/driver/rtc". */ @@ -1243,6 +1252,7 @@ static int rtc_proc_open(struct inode *inode, struct file *file) { return single_open(file, rtc_proc_show, NULL); } +#endif void rtc_get_rtc_time(struct rtc_time *rtc_tm) { diff --git a/drivers/char/sx.c b/drivers/char/sx.c index a3008ce130154..1da92a689ae45 100644 --- a/drivers/char/sx.c +++ b/drivers/char/sx.c @@ -2498,8 +2498,10 @@ static void __devexit sx_remove_card(struct sx_board *board, /* It is safe/allowed to del_timer a non-active timer */ del_timer(&board->timer); if (pdev) { +#ifdef CONFIG_PCI pci_iounmap(pdev, board->base); pci_release_region(pdev, IS_CF_BOARD(board) ? 3 : 2); +#endif } else { iounmap(board->base); release_region(board->hw_base, board->hw_len); @@ -2601,6 +2603,7 @@ static struct eisa_driver sx_eisadriver = { #endif +#ifdef CONFIG_PCI /******************************************************** * Setting bit 17 in the CNTRL register of the PLX 9050 * * chip forces a retry on writes while a read is pending.* @@ -2632,10 +2635,12 @@ static void __devinit fix_sx_pci(struct pci_dev *pdev, struct sx_board *board) } iounmap(rebase); } +#endif static int __devinit sx_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) { +#ifdef CONFIG_PCI struct sx_board *board; unsigned int i, reg; int retval = -EIO; @@ -2700,6 +2705,9 @@ err_flag: board->flags &= ~SX_BOARD_PRESENT; err: return retval; +#else + return -ENODEV; +#endif } static void __devexit sx_pci_remove(struct pci_dev *pdev) diff --git a/drivers/char/synclink.c b/drivers/char/synclink.c index acc6fab601cca..3fa625db9e4b1 100644 --- a/drivers/char/synclink.c +++ b/drivers/char/synclink.c @@ -4332,7 +4332,7 @@ static struct mgsl_struct* mgsl_allocate_device(void) { struct mgsl_struct *info; - info = (struct mgsl_struct *)kmalloc(sizeof(struct mgsl_struct), + info = kmalloc(sizeof(struct mgsl_struct), GFP_KERNEL); if (!info) { diff --git a/drivers/char/synclinkmp.c b/drivers/char/synclinkmp.c index 53e8ccf94fe33..8f4d67afe5bf9 100644 --- a/drivers/char/synclinkmp.c +++ b/drivers/char/synclinkmp.c @@ -2730,7 +2730,7 @@ static int startup(SLMP_INFO * info) return 0; if (!info->tx_buf) { - info->tx_buf = (unsigned char *)kmalloc(info->max_frame_size, GFP_KERNEL); + info->tx_buf = kmalloc(info->max_frame_size, GFP_KERNEL); if (!info->tx_buf) { printk(KERN_ERR"%s(%d):%s can't allocate transmit buffer\n", __FILE__,__LINE__,info->device_name); @@ -3798,7 +3798,7 @@ static SLMP_INFO *alloc_dev(int adapter_num, int port_num, struct pci_dev *pdev) { SLMP_INFO *info; - info = (SLMP_INFO *)kmalloc(sizeof(SLMP_INFO), + info = kmalloc(sizeof(SLMP_INFO), GFP_KERNEL); if (!info) { diff --git a/drivers/char/sysrq.c b/drivers/char/sysrq.c index 05810c8d20bca..13935235e0661 100644 --- a/drivers/char/sysrq.c +++ b/drivers/char/sysrq.c @@ -41,7 +41,34 @@ #include <asm/irq_regs.h> /* Whether we react on sysrq keys or just ignore them */ -int sysrq_enabled = 1; +int __read_mostly __sysrq_enabled = 1; + +static int __read_mostly sysrq_always_enabled; + +int sysrq_on(void) +{ + return __sysrq_enabled || sysrq_always_enabled; +} + +/* + * A value of 1 means 'all', other nonzero values are an op mask: + */ +static inline int sysrq_on_mask(int mask) +{ + return sysrq_always_enabled || __sysrq_enabled == 1 || + (__sysrq_enabled & mask); +} + +static int __init sysrq_always_enabled_setup(char *str) +{ + sysrq_always_enabled = 1; + printk(KERN_INFO "debug: sysrq always enabled.\n"); + + return 1; +} + +__setup("sysrq_always_enabled", sysrq_always_enabled_setup); + static void sysrq_handle_loglevel(int key, struct tty_struct *tty) { @@ -379,8 +406,7 @@ void __handle_sysrq(int key, struct tty_struct *tty, int check_mask) * Should we check for enabled operations (/proc/sysrq-trigger * should not) and is the invoked operation enabled? */ - if (!check_mask || sysrq_enabled == 1 || - (sysrq_enabled & op_p->enable_mask)) { + if (!check_mask || sysrq_on_mask(op_p->enable_mask)) { printk("%s\n", op_p->action_msg); console_loglevel = orig_log_level; op_p->handler(key, tty); @@ -414,9 +440,8 @@ void __handle_sysrq(int key, struct tty_struct *tty, int check_mask) */ void handle_sysrq(int key, struct tty_struct *tty) { - if (!sysrq_enabled) - return; - __handle_sysrq(key, tty, 1); + if (sysrq_on()) + __handle_sysrq(key, tty, 1); } EXPORT_SYMBOL(handle_sysrq); diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c index 4044c864fdd4d..47a6eacb10bc4 100644 --- a/drivers/char/tty_io.c +++ b/drivers/char/tty_io.c @@ -3335,18 +3335,13 @@ static void __do_SAK(struct work_struct *work) int session; int i; struct file *filp; - struct tty_ldisc *disc; struct fdtable *fdt; if (!tty) return; session = tty->session; - /* We don't want an ldisc switch during this */ - disc = tty_ldisc_ref(tty); - if (disc && disc->flush_buffer) - disc->flush_buffer(tty); - tty_ldisc_deref(disc); + tty_ldisc_flush(tty); if (tty->driver->flush_buffer) tty->driver->flush_buffer(tty); @@ -3821,6 +3816,7 @@ struct tty_struct *get_current_tty(void) barrier(); return tty; } +EXPORT_SYMBOL_GPL(get_current_tty); /* * Initialize the console device. This is called *early*, so diff --git a/drivers/char/viocons.c b/drivers/char/viocons.c index 6d2e314860df5..0e0da443cbd57 100644 --- a/drivers/char/viocons.c +++ b/drivers/char/viocons.c @@ -61,10 +61,7 @@ static DEFINE_SPINLOCK(consolelock); static DEFINE_SPINLOCK(consoleloglock); -#ifdef CONFIG_MAGIC_SYSRQ static int vio_sysrq_pressed; -extern int sysrq_enabled; -#endif #define VIOCHAR_NUM_BUF 16 @@ -936,8 +933,10 @@ static void vioHandleData(struct HvLpEvent *event) */ num_pushed = 0; for (index = 0; index < cevent->len; index++) { -#ifdef CONFIG_MAGIC_SYSRQ - if (sysrq_enabled) { + /* + * Will be optimized away if !CONFIG_MAGIC_SYSRQ: + */ + if (sysrq_on()) { /* 0x0f is the ascii character for ^O */ if (cevent->data[index] == '\x0f') { vio_sysrq_pressed = 1; @@ -956,7 +955,6 @@ static void vioHandleData(struct HvLpEvent *event) continue; } } -#endif /* * The sysrq sequence isn't included in this check if * sysrq is enabled and compiled into the kernel because diff --git a/drivers/char/vt.c b/drivers/char/vt.c index a8239dac994fe..06c32a3e3ca42 100644 --- a/drivers/char/vt.c +++ b/drivers/char/vt.c @@ -784,7 +784,7 @@ int vc_resize(struct vc_data *vc, unsigned int cols, unsigned int lines) if (new_cols == vc->vc_cols && new_rows == vc->vc_rows) return 0; - newscreen = (unsigned short *) kmalloc(new_screen_size, GFP_USER); + newscreen = kmalloc(new_screen_size, GFP_USER); if (!newscreen) return -ENOMEM; diff --git a/drivers/char/vt_ioctl.c b/drivers/char/vt_ioctl.c index ac5d60edbafaa..dc8368ebb1ac9 100644 --- a/drivers/char/vt_ioctl.c +++ b/drivers/char/vt_ioctl.c @@ -129,7 +129,7 @@ do_kdsk_ioctl(int cmd, struct kbentry __user *user_kbe, int perm, struct kbd_str !capable(CAP_SYS_RESOURCE)) return -EPERM; - key_map = (ushort *) kmalloc(sizeof(plain_map), + key_map = kmalloc(sizeof(plain_map), GFP_KERNEL); if (!key_map) return -ENOMEM; @@ -259,7 +259,7 @@ do_kdgkb_ioctl(int cmd, struct kbsentry __user *user_kdgkb, int perm) sz = 256; while (sz < funcbufsize - funcbufleft + delta) sz <<= 1; - fnw = (char *) kmalloc(sz, GFP_KERNEL); + fnw = kmalloc(sz, GFP_KERNEL); if(!fnw) { ret = -ENOMEM; goto reterr; @@ -1087,7 +1087,7 @@ static void complete_change_console(struct vc_data *vc) switch_screen(vc); /* - * This can't appear below a successful kill_proc(). If it did, + * This can't appear below a successful kill_pid(). If it did, * then the *blank_screen operation could occur while X, having * received acqsig, is waking up on another processor. This * condition can lead to overlapping accesses to the VGA range @@ -1110,7 +1110,7 @@ static void complete_change_console(struct vc_data *vc) */ if (vc->vt_mode.mode == VT_PROCESS) { /* - * Send the signal as privileged - kill_proc() will + * Send the signal as privileged - kill_pid() will * tell us if the process has gone or something else * is awry */ @@ -1170,7 +1170,7 @@ void change_console(struct vc_data *new_vc) vc = vc_cons[fg_console].d; if (vc->vt_mode.mode == VT_PROCESS) { /* - * Send the signal as privileged - kill_proc() will + * Send the signal as privileged - kill_pid() will * tell us if the process has gone or something else * is awry */ diff --git a/drivers/fc4/fc.c b/drivers/fc4/fc.c index ca4e67a022d0e..22b62b3cd14e5 100644 --- a/drivers/fc4/fc.c +++ b/drivers/fc4/fc.c @@ -266,7 +266,7 @@ static void fcp_report_map_done(fc_channel *fc, int i, int status) printk ("FC: Bad magic from REPORT_AL_MAP on %s - %08x\n", fc->name, p->magic); fc->state = FC_STATE_OFFLINE; } else { - fc->posmap = (fcp_posmap *)kzalloc(sizeof(fcp_posmap)+p->len, GFP_KERNEL); + fc->posmap = kzalloc(sizeof(fcp_posmap)+p->len, GFP_KERNEL); if (!fc->posmap) { printk("FC: Not enough memory, offlining channel\n"); fc->state = FC_STATE_OFFLINE; @@ -355,7 +355,7 @@ void fcp_register(fc_channel *fc, u8 type, int unregister) for (i = fc->can_queue; i < fc->scsi_bitmap_end; i++) set_bit (i, fc->scsi_bitmap); fc->scsi_free = fc->can_queue; - fc->cmd_slots = (fcp_cmnd **)kzalloc(slots * sizeof(fcp_cmnd*), GFP_KERNEL); + fc->cmd_slots = kzalloc(slots * sizeof(fcp_cmnd*), GFP_KERNEL); fc->abort_count = 0; } else { fc->scsi_name[0] = 0; @@ -933,7 +933,7 @@ int fcp_scsi_dev_reset(struct scsi_cmnd *SCpnt) DECLARE_MUTEX_LOCKED(sem); if (!fc->rst_pkt) { - fc->rst_pkt = (struct scsi_cmnd *) kmalloc(sizeof(SCpnt), GFP_KERNEL); + fc->rst_pkt = kmalloc(sizeof(SCpnt), GFP_KERNEL); if (!fc->rst_pkt) return FAILED; fcmd = FCP_CMND(fc->rst_pkt); @@ -1107,7 +1107,7 @@ int fc_do_plogi(fc_channel *fc, unsigned char alpa, fc_wwn *node, fc_wwn *nport) logi *l; int status; - l = (logi *)kzalloc(2 * sizeof(logi), GFP_KERNEL); + l = kzalloc(2 * sizeof(logi), GFP_KERNEL); if (!l) return -ENOMEM; l->code = LS_PLOGI; memcpy (&l->nport_wwn, &fc->wwn_nport, sizeof(fc_wwn)); @@ -1141,7 +1141,7 @@ int fc_do_prli(fc_channel *fc, unsigned char alpa) prli *p; int status; - p = (prli *)kzalloc(2 * sizeof(prli), GFP_KERNEL); + p = kzalloc(2 * sizeof(prli), GFP_KERNEL); if (!p) return -ENOMEM; p->code = LS_PRLI; p->params[0] = 0x08002000; diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig index e76d91906c99a..891ef6d0b1bf9 100644 --- a/drivers/hwmon/Kconfig +++ b/drivers/hwmon/Kconfig @@ -106,6 +106,31 @@ config SENSORS_K8TEMP This driver can also be built as a module. If so, the module will be called k8temp. +config SENSORS_AMS + tristate "Apple Motion Sensor driver" + depends on HWMON && PPC_PMAC && !PPC64 && INPUT && ((ADB_PMU && I2C = y) || (ADB_PMU && !I2C) || I2C) && EXPERIMENTAL + help + Support for the motion sensor included in PowerBooks. Includes + implementations for PMU and I2C. + + This driver can also be built as a module. If so, the module + will be called ams. + +config SENSORS_AMS_PMU + bool "PMU variant" + depends on SENSORS_AMS && ADB_PMU + default y + help + PMU variant of motion sensor, found in late 2005 PowerBooks. + +config SENSORS_AMS_I2C + bool "I2C variant" + depends on SENSORS_AMS && I2C + default y + help + I2C variant of motion sensor, found in early 2005 PowerBooks and + iBooks. + config SENSORS_ASB100 tristate "Asus ASB100 Bach" depends on HWMON && I2C && EXPERIMENTAL @@ -142,11 +167,12 @@ config SENSORS_DS1621 will be called ds1621. config SENSORS_F71805F - tristate "Fintek F71805F/FG" + tristate "Fintek F71805F/FG and F71872F/FG" depends on HWMON && EXPERIMENTAL help If you say yes here you get support for hardware monitoring - features of the Fintek F71805F/FG chips. + features of the Fintek F71805F/FG and F71872F/FG Super-I/O + chips. This driver can also be built as a module. If so, the module will be called f71805f. @@ -353,6 +379,19 @@ config SENSORS_PC87360 This driver can also be built as a module. If so, the module will be called pc87360. +config SENSORS_PC87427 + tristate "National Semiconductor PC87427" + depends on HWMON && EXPERIMENTAL + help + If you say yes here you get access to the hardware monitoring + functions of the National Semiconductor PC87427 Super-I/O chip. + The chip has two distinct logical devices, one for fan speed + monitoring and control, and one for voltage and temperature + monitoring. Only fan speed monitoring is supported right now. + + This driver can also be built as a module. If so, the module + will be called pc87427. + config SENSORS_SIS5595 tristate "Silicon Integrated Systems Corp. SiS5595" depends on HWMON && I2C && PCI && EXPERIMENTAL @@ -474,6 +513,16 @@ config SENSORS_W83792D This driver can also be built as a module. If so, the module will be called w83792d. +config SENSORS_W83793 + tristate "Winbond W83793" + depends on HWMON && I2C && EXPERIMENTAL + help + If you say yes here you get support for the Winbond W83793 + hardware monitoring chip. + + This driver can also be built as a module. If so, the module + will be called w83793. + config SENSORS_W83L785TS tristate "Winbond W83L785TS-S" depends on HWMON && I2C && EXPERIMENTAL @@ -527,6 +576,9 @@ config SENSORS_HDAPS This driver also provides an absolute input class device, allowing the laptop to act as a pinball machine-esque joystick. + If your ThinkPad is not recognized by the driver, please update to latest + BIOS. This is especially the case for some R52 ThinkPads. + Say Y here if you have an applicable laptop and want to experience the awesome power of hdaps. diff --git a/drivers/hwmon/Makefile b/drivers/hwmon/Makefile index af01cc64f7d26..31661124271ee 100644 --- a/drivers/hwmon/Makefile +++ b/drivers/hwmon/Makefile @@ -9,6 +9,7 @@ obj-$(CONFIG_HWMON_VID) += hwmon-vid.o obj-$(CONFIG_SENSORS_ASB100) += asb100.o obj-$(CONFIG_SENSORS_W83627HF) += w83627hf.o obj-$(CONFIG_SENSORS_W83792D) += w83792d.o +obj-$(CONFIG_SENSORS_W83793) += w83793.o obj-$(CONFIG_SENSORS_W83781D) += w83781d.o obj-$(CONFIG_SENSORS_W83791D) += w83791d.o @@ -18,6 +19,7 @@ obj-$(CONFIG_SENSORS_ADM1025) += adm1025.o obj-$(CONFIG_SENSORS_ADM1026) += adm1026.o obj-$(CONFIG_SENSORS_ADM1031) += adm1031.o obj-$(CONFIG_SENSORS_ADM9240) += adm9240.o +obj-$(CONFIG_SENSORS_AMS) += ams/ obj-$(CONFIG_SENSORS_ATXP1) += atxp1.o obj-$(CONFIG_SENSORS_DS1621) += ds1621.o obj-$(CONFIG_SENSORS_F71805F) += f71805f.o @@ -41,6 +43,7 @@ obj-$(CONFIG_SENSORS_LM90) += lm90.o obj-$(CONFIG_SENSORS_LM92) += lm92.o obj-$(CONFIG_SENSORS_MAX1619) += max1619.o obj-$(CONFIG_SENSORS_PC87360) += pc87360.o +obj-$(CONFIG_SENSORS_PC87427) += pc87427.o obj-$(CONFIG_SENSORS_SIS5595) += sis5595.o obj-$(CONFIG_SENSORS_SMSC47B397)+= smsc47b397.o obj-$(CONFIG_SENSORS_SMSC47M1) += smsc47m1.o diff --git a/drivers/hwmon/ams/Makefile b/drivers/hwmon/ams/Makefile new file mode 100644 index 0000000000000..41c95b2089dcf --- /dev/null +++ b/drivers/hwmon/ams/Makefile @@ -0,0 +1,8 @@ +# +# Makefile for Apple Motion Sensor driver +# + +ams-y := ams-core.o ams-input.o +ams-$(CONFIG_SENSORS_AMS_PMU) += ams-pmu.o +ams-$(CONFIG_SENSORS_AMS_I2C) += ams-i2c.o +obj-$(CONFIG_SENSORS_AMS) += ams.o diff --git a/drivers/hwmon/ams/ams-core.c b/drivers/hwmon/ams/ams-core.c new file mode 100644 index 0000000000000..f1f0f5d0442cc --- /dev/null +++ b/drivers/hwmon/ams/ams-core.c @@ -0,0 +1,265 @@ +/* + * Apple Motion Sensor driver + * + * Copyright (C) 2005 Stelian Pop (stelian@popies.net) + * Copyright (C) 2006 Michael Hanselmann (linux-kernel@hansmi.ch) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + */ + +#include <linux/module.h> +#include <linux/types.h> +#include <linux/errno.h> +#include <linux/init.h> +#include <linux/module.h> +#include <asm/pmac_pfunc.h> +#include <asm/of_platform.h> + +#include "ams.h" + +/* There is only one motion sensor per machine */ +struct ams ams_info; + +static unsigned int verbose; +module_param(verbose, bool, 0644); +MODULE_PARM_DESC(verbose, "Show free falls and shocks in kernel output"); + +/* Call with ams_info.lock held! */ +void ams_sensors(s8 *x, s8 *y, s8 *z) +{ + u32 orient = ams_info.vflag? ams_info.orient1 : ams_info.orient2; + + if (orient & 0x80) + /* X and Y swapped */ + ams_info.get_xyz(y, x, z); + else + ams_info.get_xyz(x, y, z); + + if (orient & 0x04) + *z = ~(*z); + if (orient & 0x02) + *y = ~(*y); + if (orient & 0x01) + *x = ~(*x); +} + +static ssize_t ams_show_current(struct device *dev, + struct device_attribute *attr, char *buf) +{ + s8 x, y, z; + + mutex_lock(&ams_info.lock); + ams_sensors(&x, &y, &z); + mutex_unlock(&ams_info.lock); + + return snprintf(buf, PAGE_SIZE, "%d %d %d\n", x, y, z); +} + +static DEVICE_ATTR(current, S_IRUGO, ams_show_current, NULL); + +static void ams_handle_irq(void *data) +{ + enum ams_irq irq = *((enum ams_irq *)data); + + spin_lock(&ams_info.irq_lock); + + ams_info.worker_irqs |= irq; + schedule_work(&ams_info.worker); + + spin_unlock(&ams_info.irq_lock); +} + +static enum ams_irq ams_freefall_irq_data = AMS_IRQ_FREEFALL; +static struct pmf_irq_client ams_freefall_client = { + .owner = THIS_MODULE, + .handler = ams_handle_irq, + .data = &ams_freefall_irq_data, +}; + +static enum ams_irq ams_shock_irq_data = AMS_IRQ_SHOCK; +static struct pmf_irq_client ams_shock_client = { + .owner = THIS_MODULE, + .handler = ams_handle_irq, + .data = &ams_shock_irq_data, +}; + +/* Once hard disk parking is implemented in the kernel, this function can + * trigger it. + */ +static void ams_worker(struct work_struct *work) +{ + mutex_lock(&ams_info.lock); + + if (ams_info.has_device) { + unsigned long flags; + + spin_lock_irqsave(&ams_info.irq_lock, flags); + + if (ams_info.worker_irqs & AMS_IRQ_FREEFALL) { + if (verbose) + printk(KERN_INFO "ams: freefall detected!\n"); + + ams_info.worker_irqs &= ~AMS_IRQ_FREEFALL; + + /* we must call this with interrupts enabled */ + spin_unlock_irqrestore(&ams_info.irq_lock, flags); + ams_info.clear_irq(AMS_IRQ_FREEFALL); + spin_lock_irqsave(&ams_info.irq_lock, flags); + } + + if (ams_info.worker_irqs & AMS_IRQ_SHOCK) { + if (verbose) + printk(KERN_INFO "ams: shock detected!\n"); + + ams_info.worker_irqs &= ~AMS_IRQ_SHOCK; + + /* we must call this with interrupts enabled */ + spin_unlock_irqrestore(&ams_info.irq_lock, flags); + ams_info.clear_irq(AMS_IRQ_SHOCK); + spin_lock_irqsave(&ams_info.irq_lock, flags); + } + + spin_unlock_irqrestore(&ams_info.irq_lock, flags); + } + + mutex_unlock(&ams_info.lock); +} + +/* Call with ams_info.lock held! */ +int ams_sensor_attach(void) +{ + int result; + u32 *prop; + + /* Get orientation */ + prop = (u32*)get_property(ams_info.of_node, "orientation", NULL); + if (!prop) + return -ENODEV; + ams_info.orient1 = *prop; + ams_info.orient2 = *(prop + 1); + + /* Register freefall interrupt handler */ + result = pmf_register_irq_client(ams_info.of_node, + "accel-int-1", + &ams_freefall_client); + if (result < 0) + return -ENODEV; + + /* Reset saved irqs */ + ams_info.worker_irqs = 0; + + /* Register shock interrupt handler */ + result = pmf_register_irq_client(ams_info.of_node, + "accel-int-2", + &ams_shock_client); + if (result < 0) + goto release_freefall; + + /* Create device */ + ams_info.of_dev = of_platform_device_create(ams_info.of_node, "ams", NULL); + if (!ams_info.of_dev) { + result = -ENODEV; + goto release_shock; + } + + /* Create attributes */ + result = device_create_file(&ams_info.of_dev->dev, &dev_attr_current); + if (result) + goto release_of; + + ams_info.vflag = !!(ams_info.get_vendor() & 0x10); + + /* Init input device */ + result = ams_input_init(); + if (result) + goto release_device_file; + + return result; +release_device_file: + device_remove_file(&ams_info.of_dev->dev, &dev_attr_current); +release_of: + of_device_unregister(ams_info.of_dev); +release_shock: + pmf_unregister_irq_client(&ams_shock_client); +release_freefall: + pmf_unregister_irq_client(&ams_freefall_client); + return result; +} + +int __init ams_init(void) +{ + struct device_node *np; + + spin_lock_init(&ams_info.irq_lock); + mutex_init(&ams_info.lock); + INIT_WORK(&ams_info.worker, ams_worker); + +#ifdef CONFIG_SENSORS_AMS_I2C + np = of_find_node_by_name(NULL, "accelerometer"); + if (np && device_is_compatible(np, "AAPL,accelerometer_1")) + /* Found I2C motion sensor */ + return ams_i2c_init(np); +#endif + +#ifdef CONFIG_SENSORS_AMS_PMU + np = of_find_node_by_name(NULL, "sms"); + if (np && device_is_compatible(np, "sms")) + /* Found PMU motion sensor */ + return ams_pmu_init(np); +#endif + + printk(KERN_ERR "ams: No motion sensor found.\n"); + + return -ENODEV; +} + +void ams_exit(void) +{ + mutex_lock(&ams_info.lock); + + if (ams_info.has_device) { + /* Remove input device */ + ams_input_exit(); + + /* Shut down implementation */ + ams_info.exit(); + + /* Flush interrupt worker + * + * We do this after ams_info.exit(), because an interrupt might + * have arrived before disabling them. + */ + flush_scheduled_work(); + + /* Remove attributes */ + device_remove_file(&ams_info.of_dev->dev, &dev_attr_current); + + /* Remove device */ + of_device_unregister(ams_info.of_dev); + + /* Remove handler */ + pmf_unregister_irq_client(&ams_shock_client); + pmf_unregister_irq_client(&ams_freefall_client); + } + + mutex_unlock(&ams_info.lock); +} + +MODULE_AUTHOR("Stelian Pop, Michael Hanselmann"); +MODULE_DESCRIPTION("Apple Motion Sensor driver"); +MODULE_LICENSE("GPL"); + +module_init(ams_init); +module_exit(ams_exit); diff --git a/drivers/hwmon/ams/ams-i2c.c b/drivers/hwmon/ams/ams-i2c.c new file mode 100644 index 0000000000000..0d24bdfea53e0 --- /dev/null +++ b/drivers/hwmon/ams/ams-i2c.c @@ -0,0 +1,299 @@ +/* + * Apple Motion Sensor driver (I2C variant) + * + * Copyright (C) 2005 Stelian Pop (stelian@popies.net) + * Copyright (C) 2006 Michael Hanselmann (linux-kernel@hansmi.ch) + * + * Clean room implementation based on the reverse engineered Mac OS X driver by + * Johannes Berg <johannes@sipsolutions.net>, documentation available at + * http://johannes.sipsolutions.net/PowerBook/Apple_Motion_Sensor_Specification + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#include <linux/module.h> +#include <linux/types.h> +#include <linux/errno.h> +#include <linux/init.h> +#include <linux/delay.h> + +#include "ams.h" + +/* AMS registers */ +#define AMS_COMMAND 0x00 /* command register */ +#define AMS_STATUS 0x01 /* status register */ +#define AMS_CTRL1 0x02 /* read control 1 (number of values) */ +#define AMS_CTRL2 0x03 /* read control 2 (offset?) */ +#define AMS_CTRL3 0x04 /* read control 3 (size of each value?) */ +#define AMS_DATA1 0x05 /* read data 1 */ +#define AMS_DATA2 0x06 /* read data 2 */ +#define AMS_DATA3 0x07 /* read data 3 */ +#define AMS_DATA4 0x08 /* read data 4 */ +#define AMS_DATAX 0x20 /* data X */ +#define AMS_DATAY 0x21 /* data Y */ +#define AMS_DATAZ 0x22 /* data Z */ +#define AMS_FREEFALL 0x24 /* freefall int control */ +#define AMS_SHOCK 0x25 /* shock int control */ +#define AMS_SENSLOW 0x26 /* sensitivity low limit */ +#define AMS_SENSHIGH 0x27 /* sensitivity high limit */ +#define AMS_CTRLX 0x28 /* control X */ +#define AMS_CTRLY 0x29 /* control Y */ +#define AMS_CTRLZ 0x2A /* control Z */ +#define AMS_UNKNOWN1 0x2B /* unknown 1 */ +#define AMS_UNKNOWN2 0x2C /* unknown 2 */ +#define AMS_UNKNOWN3 0x2D /* unknown 3 */ +#define AMS_VENDOR 0x2E /* vendor */ + +/* AMS commands - use with the AMS_COMMAND register */ +enum ams_i2c_cmd { + AMS_CMD_NOOP = 0, + AMS_CMD_VERSION, + AMS_CMD_READMEM, + AMS_CMD_WRITEMEM, + AMS_CMD_ERASEMEM, + AMS_CMD_READEE, + AMS_CMD_WRITEEE, + AMS_CMD_RESET, + AMS_CMD_START, +}; + +static int ams_i2c_attach(struct i2c_adapter *adapter); +static int ams_i2c_detach(struct i2c_adapter *adapter); + +static struct i2c_driver ams_i2c_driver = { + .driver = { + .name = "ams", + .owner = THIS_MODULE, + }, + .attach_adapter = ams_i2c_attach, + .detach_adapter = ams_i2c_detach, +}; + +static s32 ams_i2c_read(u8 reg) +{ + return i2c_smbus_read_byte_data(&ams_info.i2c_client, reg); +} + +static int ams_i2c_write(u8 reg, u8 value) +{ + return i2c_smbus_write_byte_data(&ams_info.i2c_client, reg, value); +} + +static int ams_i2c_cmd(enum ams_i2c_cmd cmd) +{ + s32 result; + int remaining = HZ / 20; + + ams_i2c_write(AMS_COMMAND, cmd); + mdelay(5); + + while (remaining) { + result = ams_i2c_read(AMS_COMMAND); + if (result == 0 || result & 0x80) + return 0; + + remaining = schedule_timeout(remaining); + } + + return -1; +} + +static void ams_i2c_set_irq(enum ams_irq reg, char enable) +{ + if (reg & AMS_IRQ_FREEFALL) { + u8 val = ams_i2c_read(AMS_CTRLX); + if (enable) + val |= 0x80; + else + val &= ~0x80; + ams_i2c_write(AMS_CTRLX, val); + } + + if (reg & AMS_IRQ_SHOCK) { + u8 val = ams_i2c_read(AMS_CTRLY); + if (enable) + val |= 0x80; + else + val &= ~0x80; + ams_i2c_write(AMS_CTRLY, val); + } + + if (reg & AMS_IRQ_GLOBAL) { + u8 val = ams_i2c_read(AMS_CTRLZ); + if (enable) + val |= 0x80; + else + val &= ~0x80; + ams_i2c_write(AMS_CTRLZ, val); + } +} + +static void ams_i2c_clear_irq(enum ams_irq reg) +{ + if (reg & AMS_IRQ_FREEFALL) + ams_i2c_write(AMS_FREEFALL, 0); + + if (reg & AMS_IRQ_SHOCK) + ams_i2c_write(AMS_SHOCK, 0); +} + +static u8 ams_i2c_get_vendor(void) +{ + return ams_i2c_read(AMS_VENDOR); +} + +static void ams_i2c_get_xyz(s8 *x, s8 *y, s8 *z) +{ + *x = ams_i2c_read(AMS_DATAX); + *y = ams_i2c_read(AMS_DATAY); + *z = ams_i2c_read(AMS_DATAZ); +} + +static int ams_i2c_attach(struct i2c_adapter *adapter) +{ + unsigned long bus; + int vmaj, vmin; + int result; + + /* There can be only one */ + if (unlikely(ams_info.has_device)) + return -ENODEV; + + if (strncmp(adapter->name, "uni-n", 5)) + return -ENODEV; + + bus = simple_strtoul(adapter->name + 6, NULL, 10); + if (bus != ams_info.i2c_bus) + return -ENODEV; + + ams_info.i2c_client.addr = ams_info.i2c_address; + ams_info.i2c_client.adapter = adapter; + ams_info.i2c_client.driver = &ams_i2c_driver; + strcpy(ams_info.i2c_client.name, "Apple Motion Sensor"); + + if (ams_i2c_cmd(AMS_CMD_RESET)) { + printk(KERN_INFO "ams: Failed to reset the device\n"); + return -ENODEV; + } + + if (ams_i2c_cmd(AMS_CMD_START)) { + printk(KERN_INFO "ams: Failed to start the device\n"); + return -ENODEV; + } + + /* get version/vendor information */ + ams_i2c_write(AMS_CTRL1, 0x02); + ams_i2c_write(AMS_CTRL2, 0x85); + ams_i2c_write(AMS_CTRL3, 0x01); + + ams_i2c_cmd(AMS_CMD_READMEM); + + vmaj = ams_i2c_read(AMS_DATA1); + vmin = ams_i2c_read(AMS_DATA2); + if (vmaj != 1 || vmin != 52) { + printk(KERN_INFO "ams: Incorrect device version (%d.%d)\n", + vmaj, vmin); + return -ENODEV; + } + + ams_i2c_cmd(AMS_CMD_VERSION); + + vmaj = ams_i2c_read(AMS_DATA1); + vmin = ams_i2c_read(AMS_DATA2); + if (vmaj != 0 || vmin != 1) { + printk(KERN_INFO "ams: Incorrect firmware version (%d.%d)\n", + vmaj, vmin); + return -ENODEV; + } + + /* Disable interrupts */ + ams_i2c_set_irq(AMS_IRQ_ALL, 0); + + result = ams_sensor_attach(); + if (result < 0) + return result; + + /* Set default values */ + ams_i2c_write(AMS_SENSLOW, 0x15); + ams_i2c_write(AMS_SENSHIGH, 0x60); + ams_i2c_write(AMS_CTRLX, 0x08); + ams_i2c_write(AMS_CTRLY, 0x0F); + ams_i2c_write(AMS_CTRLZ, 0x4F); + ams_i2c_write(AMS_UNKNOWN1, 0x14); + + /* Clear interrupts */ + ams_i2c_clear_irq(AMS_IRQ_ALL); + + ams_info.has_device = 1; + + /* Enable interrupts */ + ams_i2c_set_irq(AMS_IRQ_ALL, 1); + + printk(KERN_INFO "ams: Found I2C based motion sensor\n"); + + return 0; +} + +static int ams_i2c_detach(struct i2c_adapter *adapter) +{ + if (ams_info.has_device) { + /* Disable interrupts */ + ams_i2c_set_irq(AMS_IRQ_ALL, 0); + + /* Clear interrupts */ + ams_i2c_clear_irq(AMS_IRQ_ALL); + + printk(KERN_INFO "ams: Unloading\n"); + + ams_info.has_device = 0; + } + + return 0; +} + +static void ams_i2c_exit(void) +{ + i2c_del_driver(&ams_i2c_driver); +} + +int __init ams_i2c_init(struct device_node *np) +{ + char *tmp_bus; + int result; + u32 *prop; + + mutex_lock(&ams_info.lock); + + /* Set implementation stuff */ + ams_info.of_node = np; + ams_info.exit = ams_i2c_exit; + ams_info.get_vendor = ams_i2c_get_vendor; + ams_info.get_xyz = ams_i2c_get_xyz; + ams_info.clear_irq = ams_i2c_clear_irq; + ams_info.bustype = BUS_I2C; + + /* look for bus either using "reg" or by path */ + prop = (u32*)get_property(ams_info.of_node, "reg", NULL); + if (!prop) { + result = -ENODEV; + + goto exit; + } + + tmp_bus = strstr(ams_info.of_node->full_name, "/i2c-bus@"); + if (tmp_bus) + ams_info.i2c_bus = *(tmp_bus + 9) - '0'; + else + ams_info.i2c_bus = ((*prop) >> 8) & 0x0f; + ams_info.i2c_address = ((*prop) & 0xff) >> 1; + + result = i2c_add_driver(&ams_i2c_driver); + +exit: + mutex_unlock(&ams_info.lock); + + return result; +} diff --git a/drivers/hwmon/ams/ams-input.c b/drivers/hwmon/ams/ams-input.c new file mode 100644 index 0000000000000..f126aa4851346 --- /dev/null +++ b/drivers/hwmon/ams/ams-input.c @@ -0,0 +1,160 @@ +/* + * Apple Motion Sensor driver (joystick emulation) + * + * Copyright (C) 2005 Stelian Pop (stelian@popies.net) + * Copyright (C) 2006 Michael Hanselmann (linux-kernel@hansmi.ch) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#include <linux/module.h> + +#include <linux/types.h> +#include <linux/errno.h> +#include <linux/init.h> +#include <linux/delay.h> + +#include "ams.h" + +static unsigned int joystick; +module_param(joystick, bool, 0644); +MODULE_PARM_DESC(joystick, "Enable the input class device on module load"); + +static unsigned int invert; +module_param(invert, bool, 0644); +MODULE_PARM_DESC(invert, "Invert input data on X and Y axis"); + +static int ams_input_kthread(void *data) +{ + s8 x, y, z; + + while (!kthread_should_stop()) { + mutex_lock(&ams_info.lock); + + ams_sensors(&x, &y, &z); + + x -= ams_info.xcalib; + y -= ams_info.ycalib; + z -= ams_info.zcalib; + + input_report_abs(ams_info.idev, ABS_X, invert ? -x : x); + input_report_abs(ams_info.idev, ABS_Y, invert ? -y : y); + input_report_abs(ams_info.idev, ABS_Z, z); + + input_sync(ams_info.idev); + + mutex_unlock(&ams_info.lock); + + msleep(25); + } + + return 0; +} + +static int ams_input_open(struct input_dev *dev) +{ + ams_info.kthread = kthread_run(ams_input_kthread, NULL, "kams"); + return IS_ERR(ams_info.kthread) ? PTR_ERR(ams_info.kthread) : 0; +} + +static void ams_input_close(struct input_dev *dev) +{ + kthread_stop(ams_info.kthread); +} + +/* Call with ams_info.lock held! */ +static void ams_input_enable(void) +{ + s8 x, y, z; + + if (ams_info.idev) + return; + + ams_sensors(&x, &y, &z); + ams_info.xcalib = x; + ams_info.ycalib = y; + ams_info.zcalib = z; + + ams_info.idev = input_allocate_device(); + if (!ams_info.idev) + return; + + ams_info.idev->name = "Apple Motion Sensor"; + ams_info.idev->id.bustype = ams_info.bustype; + ams_info.idev->id.vendor = 0; + ams_info.idev->open = ams_input_open; + ams_info.idev->close = ams_input_close; + ams_info.idev->cdev.dev = &ams_info.of_dev->dev; + + input_set_abs_params(ams_info.idev, ABS_X, -50, 50, 3, 0); + input_set_abs_params(ams_info.idev, ABS_Y, -50, 50, 3, 0); + input_set_abs_params(ams_info.idev, ABS_Z, -50, 50, 3, 0); + + set_bit(EV_ABS, ams_info.idev->evbit); + set_bit(EV_KEY, ams_info.idev->evbit); + set_bit(BTN_TOUCH, ams_info.idev->keybit); + + if (input_register_device(ams_info.idev)) { + input_free_device(ams_info.idev); + ams_info.idev = NULL; + return; + } +} + +/* Call with ams_info.lock held! */ +static void ams_input_disable(void) +{ + if (ams_info.idev) { + input_unregister_device(ams_info.idev); + ams_info.idev = NULL; + } +} + +static ssize_t ams_input_show_joystick(struct device *dev, + struct device_attribute *attr, char *buf) +{ + return sprintf(buf, "%d\n", joystick); +} + +static ssize_t ams_input_store_joystick(struct device *dev, + struct device_attribute *attr, const char *buf, size_t count) +{ + if (sscanf(buf, "%d\n", &joystick) != 1) + return -EINVAL; + + mutex_lock(&ams_info.lock); + + if (joystick) + ams_input_enable(); + else + ams_input_disable(); + + mutex_unlock(&ams_info.lock); + + return count; +} + +static DEVICE_ATTR(joystick, S_IRUGO | S_IWUSR, + ams_input_show_joystick, ams_input_store_joystick); + +/* Call with ams_info.lock held! */ +int ams_input_init(void) +{ + int result; + + result = device_create_file(&ams_info.of_dev->dev, &dev_attr_joystick); + + if (!result && joystick) + ams_input_enable(); + return result; +} + +/* Call with ams_info.lock held! */ +void ams_input_exit() +{ + ams_input_disable(); + device_remove_file(&ams_info.of_dev->dev, &dev_attr_joystick); +} diff --git a/drivers/hwmon/ams/ams-pmu.c b/drivers/hwmon/ams/ams-pmu.c new file mode 100644 index 0000000000000..4636ae031a53c --- /dev/null +++ b/drivers/hwmon/ams/ams-pmu.c @@ -0,0 +1,207 @@ +/* + * Apple Motion Sensor driver (PMU variant) + * + * Copyright (C) 2006 Michael Hanselmann (linux-kernel@hansmi.ch) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#include <linux/module.h> +#include <linux/types.h> +#include <linux/errno.h> +#include <linux/init.h> +#include <linux/adb.h> +#include <linux/pmu.h> + +#include "ams.h" + +/* Attitude */ +#define AMS_X 0x00 +#define AMS_Y 0x01 +#define AMS_Z 0x02 + +/* Not exactly known, maybe chip vendor */ +#define AMS_VENDOR 0x03 + +/* Freefall registers */ +#define AMS_FF_CLEAR 0x04 +#define AMS_FF_ENABLE 0x05 +#define AMS_FF_LOW_LIMIT 0x06 +#define AMS_FF_DEBOUNCE 0x07 + +/* Shock registers */ +#define AMS_SHOCK_CLEAR 0x08 +#define AMS_SHOCK_ENABLE 0x09 +#define AMS_SHOCK_HIGH_LIMIT 0x0a +#define AMS_SHOCK_DEBOUNCE 0x0b + +/* Global interrupt and power control register */ +#define AMS_CONTROL 0x0c + +static u8 ams_pmu_cmd; + +static void ams_pmu_req_complete(struct adb_request *req) +{ + complete((struct completion *)req->arg); +} + +/* Only call this function from task context */ +static void ams_pmu_set_register(u8 reg, u8 value) +{ + static struct adb_request req; + DECLARE_COMPLETION(req_complete); + + req.arg = &req_complete; + if (pmu_request(&req, ams_pmu_req_complete, 4, ams_pmu_cmd, 0x00, reg, value)) + return; + + wait_for_completion(&req_complete); +} + +/* Only call this function from task context */ +static u8 ams_pmu_get_register(u8 reg) +{ + static struct adb_request req; + DECLARE_COMPLETION(req_complete); + + req.arg = &req_complete; + if (pmu_request(&req, ams_pmu_req_complete, 3, ams_pmu_cmd, 0x01, reg)) + return 0; + + wait_for_completion(&req_complete); + + if (req.reply_len > 0) + return req.reply[0]; + else + return 0; +} + +/* Enables or disables the specified interrupts */ +static void ams_pmu_set_irq(enum ams_irq reg, char enable) +{ + if (reg & AMS_IRQ_FREEFALL) { + u8 val = ams_pmu_get_register(AMS_FF_ENABLE); + if (enable) + val |= 0x80; + else + val &= ~0x80; + ams_pmu_set_register(AMS_FF_ENABLE, val); + } + + if (reg & AMS_IRQ_SHOCK) { + u8 val = ams_pmu_get_register(AMS_SHOCK_ENABLE); + if (enable) + val |= 0x80; + else + val &= ~0x80; + ams_pmu_set_register(AMS_SHOCK_ENABLE, val); + } + + if (reg & AMS_IRQ_GLOBAL) { + u8 val = ams_pmu_get_register(AMS_CONTROL); + if (enable) + val |= 0x80; + else + val &= ~0x80; + ams_pmu_set_register(AMS_CONTROL, val); + } +} + +static void ams_pmu_clear_irq(enum ams_irq reg) +{ + if (reg & AMS_IRQ_FREEFALL) + ams_pmu_set_register(AMS_FF_CLEAR, 0x00); + + if (reg & AMS_IRQ_SHOCK) + ams_pmu_set_register(AMS_SHOCK_CLEAR, 0x00); +} + +static u8 ams_pmu_get_vendor(void) +{ + return ams_pmu_get_register(AMS_VENDOR); +} + +static void ams_pmu_get_xyz(s8 *x, s8 *y, s8 *z) +{ + *x = ams_pmu_get_register(AMS_X); + *y = ams_pmu_get_register(AMS_Y); + *z = ams_pmu_get_register(AMS_Z); +} + +static void ams_pmu_exit(void) +{ + /* Disable interrupts */ + ams_pmu_set_irq(AMS_IRQ_ALL, 0); + + /* Clear interrupts */ + ams_pmu_clear_irq(AMS_IRQ_ALL); + + ams_info.has_device = 0; + + printk(KERN_INFO "ams: Unloading\n"); +} + +int __init ams_pmu_init(struct device_node *np) +{ + u32 *prop; + int result; + + mutex_lock(&ams_info.lock); + + /* Set implementation stuff */ + ams_info.of_node = np; + ams_info.exit = ams_pmu_exit; + ams_info.get_vendor = ams_pmu_get_vendor; + ams_info.get_xyz = ams_pmu_get_xyz; + ams_info.clear_irq = ams_pmu_clear_irq; + ams_info.bustype = BUS_HOST; + + /* Get PMU command, should be 0x4e, but we can never know */ + prop = (u32*)get_property(ams_info.of_node, "reg", NULL); + if (!prop) { + result = -ENODEV; + goto exit; + } + ams_pmu_cmd = ((*prop) >> 8) & 0xff; + + /* Disable interrupts */ + ams_pmu_set_irq(AMS_IRQ_ALL, 0); + + /* Clear interrupts */ + ams_pmu_clear_irq(AMS_IRQ_ALL); + + result = ams_sensor_attach(); + if (result < 0) + goto exit; + + /* Set default values */ + ams_pmu_set_register(AMS_FF_LOW_LIMIT, 0x15); + ams_pmu_set_register(AMS_FF_ENABLE, 0x08); + ams_pmu_set_register(AMS_FF_DEBOUNCE, 0x14); + + ams_pmu_set_register(AMS_SHOCK_HIGH_LIMIT, 0x60); + ams_pmu_set_register(AMS_SHOCK_ENABLE, 0x0f); + ams_pmu_set_register(AMS_SHOCK_DEBOUNCE, 0x14); + + ams_pmu_set_register(AMS_CONTROL, 0x4f); + + /* Clear interrupts */ + ams_pmu_clear_irq(AMS_IRQ_ALL); + + ams_info.has_device = 1; + + /* Enable interrupts */ + ams_pmu_set_irq(AMS_IRQ_ALL, 1); + + printk(KERN_INFO "ams: Found PMU based motion sensor\n"); + + result = 0; + +exit: + mutex_unlock(&ams_info.lock); + + return result; +} diff --git a/drivers/hwmon/ams/ams.h b/drivers/hwmon/ams/ams.h new file mode 100644 index 0000000000000..240730e6bcde1 --- /dev/null +++ b/drivers/hwmon/ams/ams.h @@ -0,0 +1,72 @@ +#include <linux/i2c.h> +#include <linux/input.h> +#include <linux/kthread.h> +#include <linux/mutex.h> +#include <linux/spinlock.h> +#include <linux/types.h> +#include <asm/of_device.h> + +enum ams_irq { + AMS_IRQ_FREEFALL = 0x01, + AMS_IRQ_SHOCK = 0x02, + AMS_IRQ_GLOBAL = 0x04, + AMS_IRQ_ALL = + AMS_IRQ_FREEFALL | + AMS_IRQ_SHOCK | + AMS_IRQ_GLOBAL, +}; + +struct ams { + /* Locks */ + spinlock_t irq_lock; + struct mutex lock; + + /* General properties */ + struct device_node *of_node; + struct of_device *of_dev; + char has_device; + char vflag; + u32 orient1; + u32 orient2; + + /* Interrupt worker */ + struct work_struct worker; + u8 worker_irqs; + + /* Implementation + * + * Only call these functions with the main lock held. + */ + void (*exit)(void); + + void (*get_xyz)(s8 *x, s8 *y, s8 *z); + u8 (*get_vendor)(void); + + void (*clear_irq)(enum ams_irq reg); + +#ifdef CONFIG_SENSORS_AMS_I2C + /* I2C properties */ + int i2c_bus; + int i2c_address; + struct i2c_client i2c_client; +#endif + + /* Joystick emulation */ + struct task_struct *kthread; + struct input_dev *idev; + __u16 bustype; + + /* calibrated null values */ + int xcalib, ycalib, zcalib; +}; + +extern struct ams ams_info; + +extern void ams_sensors(s8 *x, s8 *y, s8 *z); +extern int ams_sensor_attach(void); + +extern int ams_pmu_init(struct device_node *np); +extern int ams_i2c_init(struct device_node *np); + +extern int ams_input_init(void); +extern void ams_input_exit(void); diff --git a/drivers/hwmon/f71805f.c b/drivers/hwmon/f71805f.c index de17a72149d98..a272cae8f60ef 100644 --- a/drivers/hwmon/f71805f.c +++ b/drivers/hwmon/f71805f.c @@ -1,12 +1,15 @@ /* - * f71805f.c - driver for the Fintek F71805F/FG Super-I/O chip integrated - * hardware monitoring features + * f71805f.c - driver for the Fintek F71805F/FG and F71872F/FG Super-I/O + * chips integrated hardware monitoring features * Copyright (C) 2005-2006 Jean Delvare <khali@linux-fr.org> * * The F71805F/FG is a LPC Super-I/O chip made by Fintek. It integrates * complete hardware monitoring features: voltage, fan and temperature * sensors, and manual and automatic fan speed control. * + * The F71872F/FG is almost the same, with two more voltages monitored, + * and 6 VID inputs. + * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or @@ -37,6 +40,7 @@ static struct platform_device *pdev; #define DRVNAME "f71805f" +enum kinds { f71805f, f71872f }; /* * Super-I/O constants and functions @@ -48,11 +52,13 @@ static struct platform_device *pdev; #define SIO_REG_DEVID 0x20 /* Device ID (2 bytes) */ #define SIO_REG_DEVREV 0x22 /* Device revision */ #define SIO_REG_MANID 0x23 /* Fintek ID (2 bytes) */ +#define SIO_REG_FNSEL1 0x29 /* Multi Function Select 1 (F71872F) */ #define SIO_REG_ENABLE 0x30 /* Logical device enable */ #define SIO_REG_ADDR 0x60 /* Logical device address (2 bytes) */ #define SIO_FINTEK_ID 0x1934 #define SIO_F71805F_ID 0x0406 +#define SIO_F71872F_ID 0x0341 static inline int superio_inb(int base, int reg) @@ -96,22 +102,25 @@ superio_exit(int base) * ISA constants */ -#define REGION_LENGTH 2 -#define ADDR_REG_OFFSET 0 -#define DATA_REG_OFFSET 1 +#define REGION_LENGTH 8 +#define ADDR_REG_OFFSET 5 +#define DATA_REG_OFFSET 6 /* * Registers */ -/* in nr from 0 to 8 (8-bit values) */ +/* in nr from 0 to 10 (8-bit values) */ #define F71805F_REG_IN(nr) (0x10 + (nr)) -#define F71805F_REG_IN_HIGH(nr) (0x40 + 2 * (nr)) -#define F71805F_REG_IN_LOW(nr) (0x41 + 2 * (nr)) +#define F71805F_REG_IN_HIGH(nr) ((nr) < 10 ? 0x40 + 2 * (nr) : 0x2E) +#define F71805F_REG_IN_LOW(nr) ((nr) < 10 ? 0x41 + 2 * (nr) : 0x2F) /* fan nr from 0 to 2 (12-bit values, two registers) */ #define F71805F_REG_FAN(nr) (0x20 + 2 * (nr)) #define F71805F_REG_FAN_LOW(nr) (0x28 + 2 * (nr)) +#define F71805F_REG_FAN_TARGET(nr) (0x69 + 16 * (nr)) #define F71805F_REG_FAN_CTRL(nr) (0x60 + 16 * (nr)) +#define F71805F_REG_PWM_FREQ(nr) (0x63 + 16 * (nr)) +#define F71805F_REG_PWM_DUTY(nr) (0x6B + 16 * (nr)) /* temp nr from 0 to 2 (8-bit values) */ #define F71805F_REG_TEMP(nr) (0x1B + (nr)) #define F71805F_REG_TEMP_HIGH(nr) (0x54 + 2 * (nr)) @@ -122,6 +131,14 @@ superio_exit(int base) /* status nr from 0 to 2 */ #define F71805F_REG_STATUS(nr) (0x36 + (nr)) +/* individual register bits */ +#define FAN_CTRL_DC_MODE 0x10 +#define FAN_CTRL_LATCH_FULL 0x08 +#define FAN_CTRL_MODE_MASK 0x03 +#define FAN_CTRL_MODE_SPEED 0x00 +#define FAN_CTRL_MODE_TEMPERATURE 0x01 +#define FAN_CTRL_MODE_MANUAL 0x02 + /* * Data structures and manipulation thereof */ @@ -138,12 +155,16 @@ struct f71805f_data { unsigned long last_limits; /* In jiffies */ /* Register values */ - u8 in[9]; - u8 in_high[9]; - u8 in_low[9]; + u8 in[11]; + u8 in_high[11]; + u8 in_low[11]; + u16 has_in; u16 fan[3]; u16 fan_low[3]; - u8 fan_enabled; /* Read once at init time */ + u16 fan_target[3]; + u8 fan_ctrl[3]; + u8 pwm[3]; + u8 pwm_freq[3]; u8 temp[3]; u8 temp_high[3]; u8 temp_hyst[3]; @@ -151,6 +172,11 @@ struct f71805f_data { unsigned long alarms; }; +struct f71805f_sio_data { + enum kinds kind; + u8 fnsel1; +}; + static inline long in_from_reg(u8 reg) { return (reg * 8); @@ -200,6 +226,33 @@ static inline u16 fan_to_reg(long rpm) return (1500000 / rpm); } +static inline unsigned long pwm_freq_from_reg(u8 reg) +{ + unsigned long clock = (reg & 0x80) ? 48000000UL : 1000000UL; + + reg &= 0x7f; + if (reg == 0) + reg++; + return clock / (reg << 8); +} + +static inline u8 pwm_freq_to_reg(unsigned long val) +{ + if (val >= 187500) /* The highest we can do */ + return 0x80; + if (val >= 1475) /* Use 48 MHz clock */ + return 0x80 | (48000000UL / (val << 8)); + if (val < 31) /* The lowest we can do */ + return 0x7f; + else /* Use 1 MHz clock */ + return 1000000UL / (val << 8); +} + +static inline int pwm_mode_from_reg(u8 reg) +{ + return !(reg & FAN_CTRL_DC_MODE); +} + static inline long temp_from_reg(u8 reg) { return (reg * 1000); @@ -274,16 +327,21 @@ static struct f71805f_data *f71805f_update_device(struct device *dev) /* Limit registers cache is refreshed after 60 seconds */ if (time_after(jiffies, data->last_updated + 60 * HZ) || !data->valid) { - for (nr = 0; nr < 9; nr++) { + for (nr = 0; nr < 11; nr++) { + if (!(data->has_in & (1 << nr))) + continue; data->in_high[nr] = f71805f_read8(data, F71805F_REG_IN_HIGH(nr)); data->in_low[nr] = f71805f_read8(data, F71805F_REG_IN_LOW(nr)); } for (nr = 0; nr < 3; nr++) { - if (data->fan_enabled & (1 << nr)) - data->fan_low[nr] = f71805f_read16(data, - F71805F_REG_FAN_LOW(nr)); + data->fan_low[nr] = f71805f_read16(data, + F71805F_REG_FAN_LOW(nr)); + data->fan_target[nr] = f71805f_read16(data, + F71805F_REG_FAN_TARGET(nr)); + data->pwm_freq[nr] = f71805f_read8(data, + F71805F_REG_PWM_FREQ(nr)); } for (nr = 0; nr < 3; nr++) { data->temp_high[nr] = f71805f_read8(data, @@ -299,14 +357,19 @@ static struct f71805f_data *f71805f_update_device(struct device *dev) /* Measurement registers cache is refreshed after 1 second */ if (time_after(jiffies, data->last_updated + HZ) || !data->valid) { - for (nr = 0; nr < 9; nr++) { + for (nr = 0; nr < 11; nr++) { + if (!(data->has_in & (1 << nr))) + continue; data->in[nr] = f71805f_read8(data, F71805F_REG_IN(nr)); } for (nr = 0; nr < 3; nr++) { - if (data->fan_enabled & (1 << nr)) - data->fan[nr] = f71805f_read16(data, - F71805F_REG_FAN(nr)); + data->fan[nr] = f71805f_read16(data, + F71805F_REG_FAN(nr)); + data->fan_ctrl[nr] = f71805f_read8(data, + F71805F_REG_FAN_CTRL(nr)); + data->pwm[nr] = f71805f_read8(data, + F71805F_REG_PWM_DUTY(nr)); } for (nr = 0; nr < 3; nr++) { data->temp[nr] = f71805f_read8(data, @@ -333,35 +396,43 @@ static ssize_t show_in0(struct device *dev, struct device_attribute *devattr, char *buf) { struct f71805f_data *data = f71805f_update_device(dev); + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + int nr = attr->index; - return sprintf(buf, "%ld\n", in0_from_reg(data->in[0])); + return sprintf(buf, "%ld\n", in0_from_reg(data->in[nr])); } static ssize_t show_in0_max(struct device *dev, struct device_attribute *devattr, char *buf) { struct f71805f_data *data = f71805f_update_device(dev); + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + int nr = attr->index; - return sprintf(buf, "%ld\n", in0_from_reg(data->in_high[0])); + return sprintf(buf, "%ld\n", in0_from_reg(data->in_high[nr])); } static ssize_t show_in0_min(struct device *dev, struct device_attribute *devattr, char *buf) { struct f71805f_data *data = f71805f_update_device(dev); + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + int nr = attr->index; - return sprintf(buf, "%ld\n", in0_from_reg(data->in_low[0])); + return sprintf(buf, "%ld\n", in0_from_reg(data->in_low[nr])); } static ssize_t set_in0_max(struct device *dev, struct device_attribute *devattr, const char *buf, size_t count) { struct f71805f_data *data = dev_get_drvdata(dev); + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + int nr = attr->index; long val = simple_strtol(buf, NULL, 10); mutex_lock(&data->update_lock); - data->in_high[0] = in0_to_reg(val); - f71805f_write8(data, F71805F_REG_IN_HIGH(0), data->in_high[0]); + data->in_high[nr] = in0_to_reg(val); + f71805f_write8(data, F71805F_REG_IN_HIGH(nr), data->in_high[nr]); mutex_unlock(&data->update_lock); return count; @@ -371,11 +442,13 @@ static ssize_t set_in0_min(struct device *dev, struct device_attribute *devattr, const char *buf, size_t count) { struct f71805f_data *data = dev_get_drvdata(dev); + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + int nr = attr->index; long val = simple_strtol(buf, NULL, 10); mutex_lock(&data->update_lock); - data->in_low[0] = in0_to_reg(val); - f71805f_write8(data, F71805F_REG_IN_LOW(0), data->in_low[0]); + data->in_low[nr] = in0_to_reg(val); + f71805f_write8(data, F71805F_REG_IN_LOW(nr), data->in_low[nr]); mutex_unlock(&data->update_lock); return count; @@ -463,6 +536,16 @@ static ssize_t show_fan_min(struct device *dev, struct device_attribute return sprintf(buf, "%ld\n", fan_from_reg(data->fan_low[nr])); } +static ssize_t show_fan_target(struct device *dev, struct device_attribute + *devattr, char *buf) +{ + struct f71805f_data *data = f71805f_update_device(dev); + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + int nr = attr->index; + + return sprintf(buf, "%ld\n", fan_from_reg(data->fan_target[nr])); +} + static ssize_t set_fan_min(struct device *dev, struct device_attribute *devattr, const char *buf, size_t count) { @@ -479,6 +562,157 @@ static ssize_t set_fan_min(struct device *dev, struct device_attribute return count; } +static ssize_t set_fan_target(struct device *dev, struct device_attribute + *devattr, const char *buf, size_t count) +{ + struct f71805f_data *data = dev_get_drvdata(dev); + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + int nr = attr->index; + long val = simple_strtol(buf, NULL, 10); + + mutex_lock(&data->update_lock); + data->fan_target[nr] = fan_to_reg(val); + f71805f_write16(data, F71805F_REG_FAN_TARGET(nr), + data->fan_target[nr]); + mutex_unlock(&data->update_lock); + + return count; +} + +static ssize_t show_pwm(struct device *dev, struct device_attribute *devattr, + char *buf) +{ + struct f71805f_data *data = f71805f_update_device(dev); + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + int nr = attr->index; + + return sprintf(buf, "%d\n", (int)data->pwm[nr]); +} + +static ssize_t show_pwm_enable(struct device *dev, struct device_attribute + *devattr, char *buf) +{ + struct f71805f_data *data = f71805f_update_device(dev); + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + int nr = attr->index; + int mode; + + switch (data->fan_ctrl[nr] & FAN_CTRL_MODE_MASK) { + case FAN_CTRL_MODE_SPEED: + mode = 3; + break; + case FAN_CTRL_MODE_TEMPERATURE: + mode = 2; + break; + default: /* MANUAL */ + mode = 1; + } + + return sprintf(buf, "%d\n", mode); +} + +static ssize_t show_pwm_freq(struct device *dev, struct device_attribute + *devattr, char *buf) +{ + struct f71805f_data *data = f71805f_update_device(dev); + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + int nr = attr->index; + + return sprintf(buf, "%lu\n", pwm_freq_from_reg(data->pwm_freq[nr])); +} + +static ssize_t show_pwm_mode(struct device *dev, struct device_attribute + *devattr, char *buf) +{ + struct f71805f_data *data = f71805f_update_device(dev); + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + int nr = attr->index; + + return sprintf(buf, "%d\n", pwm_mode_from_reg(data->fan_ctrl[nr])); +} + +static ssize_t set_pwm(struct device *dev, struct device_attribute *devattr, + const char *buf, size_t count) +{ + struct f71805f_data *data = dev_get_drvdata(dev); + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + int nr = attr->index; + unsigned long val = simple_strtoul(buf, NULL, 10); + + if (val > 255) + return -EINVAL; + + mutex_lock(&data->update_lock); + data->pwm[nr] = val; + f71805f_write8(data, F71805F_REG_PWM_DUTY(nr), data->pwm[nr]); + mutex_unlock(&data->update_lock); + + return count; +} + +static struct attribute *f71805f_attr_pwm[]; + +static ssize_t set_pwm_enable(struct device *dev, struct device_attribute + *devattr, const char *buf, size_t count) +{ + struct f71805f_data *data = dev_get_drvdata(dev); + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + int nr = attr->index; + unsigned long val = simple_strtoul(buf, NULL, 10); + u8 reg; + + if (val < 1 || val > 3) + return -EINVAL; + + if (val > 1) { /* Automatic mode, user can't set PWM value */ + if (sysfs_chmod_file(&dev->kobj, f71805f_attr_pwm[nr], + S_IRUGO)) + dev_dbg(dev, "chmod -w pwm%d failed\n", nr + 1); + } + + mutex_lock(&data->update_lock); + reg = f71805f_read8(data, F71805F_REG_FAN_CTRL(nr)) + & ~FAN_CTRL_MODE_MASK; + switch (val) { + case 1: + reg |= FAN_CTRL_MODE_MANUAL; + break; + case 2: + reg |= FAN_CTRL_MODE_TEMPERATURE; + break; + case 3: + reg |= FAN_CTRL_MODE_SPEED; + break; + } + data->fan_ctrl[nr] = reg; + f71805f_write8(data, F71805F_REG_FAN_CTRL(nr), reg); + mutex_unlock(&data->update_lock); + + if (val == 1) { /* Manual mode, user can set PWM value */ + if (sysfs_chmod_file(&dev->kobj, f71805f_attr_pwm[nr], + S_IRUGO | S_IWUSR)) + dev_dbg(dev, "chmod +w pwm%d failed\n", nr + 1); + } + + return count; +} + +static ssize_t set_pwm_freq(struct device *dev, struct device_attribute + *devattr, const char *buf, size_t count) +{ + struct f71805f_data *data = dev_get_drvdata(dev); + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + int nr = attr->index; + unsigned long val = simple_strtoul(buf, NULL, 10); + + mutex_lock(&data->update_lock); + data->pwm_freq[nr] = pwm_freq_to_reg(val); + f71805f_write8(data, F71805F_REG_PWM_FREQ(nr), data->pwm_freq[nr]); + mutex_unlock(&data->update_lock); + + return count; +} + static ssize_t show_temp(struct device *dev, struct device_attribute *devattr, char *buf) { @@ -557,7 +791,7 @@ static ssize_t show_alarms_in(struct device *dev, struct device_attribute { struct f71805f_data *data = f71805f_update_device(dev); - return sprintf(buf, "%lu\n", data->alarms & 0x1ff); + return sprintf(buf, "%lu\n", data->alarms & 0x7ff); } static ssize_t show_alarms_fan(struct device *dev, struct device_attribute @@ -594,9 +828,11 @@ static ssize_t show_name(struct device *dev, struct device_attribute return sprintf(buf, "%s\n", data->name); } -static DEVICE_ATTR(in0_input, S_IRUGO, show_in0, NULL); -static DEVICE_ATTR(in0_max, S_IRUGO| S_IWUSR, show_in0_max, set_in0_max); -static DEVICE_ATTR(in0_min, S_IRUGO| S_IWUSR, show_in0_min, set_in0_min); +static SENSOR_DEVICE_ATTR(in0_input, S_IRUGO, show_in0, NULL, 0); +static SENSOR_DEVICE_ATTR(in0_max, S_IRUGO| S_IWUSR, + show_in0_max, set_in0_max, 0); +static SENSOR_DEVICE_ATTR(in0_min, S_IRUGO| S_IWUSR, + show_in0_min, set_in0_min, 0); static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, show_in, NULL, 1); static SENSOR_DEVICE_ATTR(in1_max, S_IRUGO | S_IWUSR, show_in_max, set_in_max, 1); @@ -637,16 +873,32 @@ static SENSOR_DEVICE_ATTR(in8_max, S_IRUGO | S_IWUSR, show_in_max, set_in_max, 8); static SENSOR_DEVICE_ATTR(in8_min, S_IRUGO | S_IWUSR, show_in_min, set_in_min, 8); +static SENSOR_DEVICE_ATTR(in9_input, S_IRUGO, show_in0, NULL, 9); +static SENSOR_DEVICE_ATTR(in9_max, S_IRUGO | S_IWUSR, + show_in0_max, set_in0_max, 9); +static SENSOR_DEVICE_ATTR(in9_min, S_IRUGO | S_IWUSR, + show_in0_min, set_in0_min, 9); +static SENSOR_DEVICE_ATTR(in10_input, S_IRUGO, show_in0, NULL, 10); +static SENSOR_DEVICE_ATTR(in10_max, S_IRUGO | S_IWUSR, + show_in0_max, set_in0_max, 10); +static SENSOR_DEVICE_ATTR(in10_min, S_IRUGO | S_IWUSR, + show_in0_min, set_in0_min, 10); static SENSOR_DEVICE_ATTR(fan1_input, S_IRUGO, show_fan, NULL, 0); static SENSOR_DEVICE_ATTR(fan1_min, S_IRUGO | S_IWUSR, show_fan_min, set_fan_min, 0); +static SENSOR_DEVICE_ATTR(fan1_target, S_IRUGO | S_IWUSR, + show_fan_target, set_fan_target, 0); static SENSOR_DEVICE_ATTR(fan2_input, S_IRUGO, show_fan, NULL, 1); static SENSOR_DEVICE_ATTR(fan2_min, S_IRUGO | S_IWUSR, show_fan_min, set_fan_min, 1); +static SENSOR_DEVICE_ATTR(fan2_target, S_IRUGO | S_IWUSR, + show_fan_target, set_fan_target, 1); static SENSOR_DEVICE_ATTR(fan3_input, S_IRUGO, show_fan, NULL, 2); static SENSOR_DEVICE_ATTR(fan3_min, S_IRUGO | S_IWUSR, show_fan_min, set_fan_min, 2); +static SENSOR_DEVICE_ATTR(fan3_target, S_IRUGO | S_IWUSR, + show_fan_target, set_fan_target, 2); static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL, 0); static SENSOR_DEVICE_ATTR(temp1_max, S_IRUGO | S_IWUSR, @@ -667,6 +919,27 @@ static SENSOR_DEVICE_ATTR(temp3_max_hyst, S_IRUGO | S_IWUSR, show_temp_hyst, set_temp_hyst, 2); static SENSOR_DEVICE_ATTR(temp3_type, S_IRUGO, show_temp_type, NULL, 2); +/* pwm (value) files are created read-only, write permission is + then added or removed dynamically as needed */ +static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO, show_pwm, set_pwm, 0); +static SENSOR_DEVICE_ATTR(pwm1_enable, S_IRUGO | S_IWUSR, + show_pwm_enable, set_pwm_enable, 0); +static SENSOR_DEVICE_ATTR(pwm1_freq, S_IRUGO | S_IWUSR, + show_pwm_freq, set_pwm_freq, 0); +static SENSOR_DEVICE_ATTR(pwm1_mode, S_IRUGO, show_pwm_mode, NULL, 0); +static SENSOR_DEVICE_ATTR(pwm2, S_IRUGO, show_pwm, set_pwm, 1); +static SENSOR_DEVICE_ATTR(pwm2_enable, S_IRUGO | S_IWUSR, + show_pwm_enable, set_pwm_enable, 1); +static SENSOR_DEVICE_ATTR(pwm2_freq, S_IRUGO | S_IWUSR, + show_pwm_freq, set_pwm_freq, 1); +static SENSOR_DEVICE_ATTR(pwm2_mode, S_IRUGO, show_pwm_mode, NULL, 1); +static SENSOR_DEVICE_ATTR(pwm3, S_IRUGO, show_pwm, set_pwm, 2); +static SENSOR_DEVICE_ATTR(pwm3_enable, S_IRUGO | S_IWUSR, + show_pwm_enable, set_pwm_enable, 2); +static SENSOR_DEVICE_ATTR(pwm3_freq, S_IRUGO | S_IWUSR, + show_pwm_freq, set_pwm_freq, 2); +static SENSOR_DEVICE_ATTR(pwm3_mode, S_IRUGO, show_pwm_mode, NULL, 2); + static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0); static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1); static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 2); @@ -676,6 +949,8 @@ static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 5); static SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 6); static SENSOR_DEVICE_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 7); static SENSOR_DEVICE_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, 8); +static SENSOR_DEVICE_ATTR(in9_alarm, S_IRUGO, show_alarm, NULL, 9); +static SENSOR_DEVICE_ATTR(in10_alarm, S_IRUGO, show_alarm, NULL, 10); static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 11); static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 12); static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 13); @@ -689,9 +964,9 @@ static DEVICE_ATTR(alarms_temp, S_IRUGO, show_alarms_temp, NULL); static DEVICE_ATTR(name, S_IRUGO, show_name, NULL); static struct attribute *f71805f_attributes[] = { - &dev_attr_in0_input.attr, - &dev_attr_in0_max.attr, - &dev_attr_in0_min.attr, + &sensor_dev_attr_in0_input.dev_attr.attr, + &sensor_dev_attr_in0_max.dev_attr.attr, + &sensor_dev_attr_in0_min.dev_attr.attr, &sensor_dev_attr_in1_input.dev_attr.attr, &sensor_dev_attr_in1_max.dev_attr.attr, &sensor_dev_attr_in1_min.dev_attr.attr, @@ -701,9 +976,6 @@ static struct attribute *f71805f_attributes[] = { &sensor_dev_attr_in3_input.dev_attr.attr, &sensor_dev_attr_in3_max.dev_attr.attr, &sensor_dev_attr_in3_min.dev_attr.attr, - &sensor_dev_attr_in4_input.dev_attr.attr, - &sensor_dev_attr_in4_max.dev_attr.attr, - &sensor_dev_attr_in4_min.dev_attr.attr, &sensor_dev_attr_in5_input.dev_attr.attr, &sensor_dev_attr_in5_max.dev_attr.attr, &sensor_dev_attr_in5_min.dev_attr.attr, @@ -713,9 +985,29 @@ static struct attribute *f71805f_attributes[] = { &sensor_dev_attr_in7_input.dev_attr.attr, &sensor_dev_attr_in7_max.dev_attr.attr, &sensor_dev_attr_in7_min.dev_attr.attr, - &sensor_dev_attr_in8_input.dev_attr.attr, - &sensor_dev_attr_in8_max.dev_attr.attr, - &sensor_dev_attr_in8_min.dev_attr.attr, + + &sensor_dev_attr_fan1_input.dev_attr.attr, + &sensor_dev_attr_fan1_min.dev_attr.attr, + &sensor_dev_attr_fan1_alarm.dev_attr.attr, + &sensor_dev_attr_fan1_target.dev_attr.attr, + &sensor_dev_attr_fan2_input.dev_attr.attr, + &sensor_dev_attr_fan2_min.dev_attr.attr, + &sensor_dev_attr_fan2_alarm.dev_attr.attr, + &sensor_dev_attr_fan2_target.dev_attr.attr, + &sensor_dev_attr_fan3_input.dev_attr.attr, + &sensor_dev_attr_fan3_min.dev_attr.attr, + &sensor_dev_attr_fan3_alarm.dev_attr.attr, + &sensor_dev_attr_fan3_target.dev_attr.attr, + + &sensor_dev_attr_pwm1.dev_attr.attr, + &sensor_dev_attr_pwm1_enable.dev_attr.attr, + &sensor_dev_attr_pwm1_mode.dev_attr.attr, + &sensor_dev_attr_pwm2.dev_attr.attr, + &sensor_dev_attr_pwm2_enable.dev_attr.attr, + &sensor_dev_attr_pwm2_mode.dev_attr.attr, + &sensor_dev_attr_pwm3.dev_attr.attr, + &sensor_dev_attr_pwm3_enable.dev_attr.attr, + &sensor_dev_attr_pwm3_mode.dev_attr.attr, &sensor_dev_attr_temp1_input.dev_attr.attr, &sensor_dev_attr_temp1_max.dev_attr.attr, @@ -734,11 +1026,9 @@ static struct attribute *f71805f_attributes[] = { &sensor_dev_attr_in1_alarm.dev_attr.attr, &sensor_dev_attr_in2_alarm.dev_attr.attr, &sensor_dev_attr_in3_alarm.dev_attr.attr, - &sensor_dev_attr_in4_alarm.dev_attr.attr, &sensor_dev_attr_in5_alarm.dev_attr.attr, &sensor_dev_attr_in6_alarm.dev_attr.attr, &sensor_dev_attr_in7_alarm.dev_attr.attr, - &sensor_dev_attr_in8_alarm.dev_attr.attr, &dev_attr_alarms_in.attr, &sensor_dev_attr_temp1_alarm.dev_attr.attr, &sensor_dev_attr_temp2_alarm.dev_attr.attr, @@ -754,29 +1044,59 @@ static const struct attribute_group f71805f_group = { .attrs = f71805f_attributes, }; -static struct attribute *f71805f_attributes_fan[3][4] = { +static struct attribute *f71805f_attributes_optin[4][5] = { { - &sensor_dev_attr_fan1_input.dev_attr.attr, - &sensor_dev_attr_fan1_min.dev_attr.attr, - &sensor_dev_attr_fan1_alarm.dev_attr.attr, + &sensor_dev_attr_in4_input.dev_attr.attr, + &sensor_dev_attr_in4_max.dev_attr.attr, + &sensor_dev_attr_in4_min.dev_attr.attr, + &sensor_dev_attr_in4_alarm.dev_attr.attr, + NULL + }, { + &sensor_dev_attr_in8_input.dev_attr.attr, + &sensor_dev_attr_in8_max.dev_attr.attr, + &sensor_dev_attr_in8_min.dev_attr.attr, + &sensor_dev_attr_in8_alarm.dev_attr.attr, NULL }, { - &sensor_dev_attr_fan2_input.dev_attr.attr, - &sensor_dev_attr_fan2_min.dev_attr.attr, - &sensor_dev_attr_fan2_alarm.dev_attr.attr, + &sensor_dev_attr_in9_input.dev_attr.attr, + &sensor_dev_attr_in9_max.dev_attr.attr, + &sensor_dev_attr_in9_min.dev_attr.attr, + &sensor_dev_attr_in9_alarm.dev_attr.attr, NULL }, { - &sensor_dev_attr_fan3_input.dev_attr.attr, - &sensor_dev_attr_fan3_min.dev_attr.attr, - &sensor_dev_attr_fan3_alarm.dev_attr.attr, + &sensor_dev_attr_in10_input.dev_attr.attr, + &sensor_dev_attr_in10_max.dev_attr.attr, + &sensor_dev_attr_in10_min.dev_attr.attr, + &sensor_dev_attr_in10_alarm.dev_attr.attr, NULL } }; -static const struct attribute_group f71805f_group_fan[3] = { - { .attrs = f71805f_attributes_fan[0] }, - { .attrs = f71805f_attributes_fan[1] }, - { .attrs = f71805f_attributes_fan[2] }, +static const struct attribute_group f71805f_group_optin[4] = { + { .attrs = f71805f_attributes_optin[0] }, + { .attrs = f71805f_attributes_optin[1] }, + { .attrs = f71805f_attributes_optin[2] }, + { .attrs = f71805f_attributes_optin[3] }, +}; + +/* We don't include pwm_freq files in the arrays above, because they must be + created conditionally (only if pwm_mode is 1 == PWM) */ +static struct attribute *f71805f_attributes_pwm_freq[] = { + &sensor_dev_attr_pwm1_freq.dev_attr.attr, + &sensor_dev_attr_pwm2_freq.dev_attr.attr, + &sensor_dev_attr_pwm3_freq.dev_attr.attr, + NULL +}; + +static const struct attribute_group f71805f_group_pwm_freq = { + .attrs = f71805f_attributes_pwm_freq, +}; + +/* We also need an indexed access to pwmN files to toggle writability */ +static struct attribute *f71805f_attr_pwm[] = { + &sensor_dev_attr_pwm1.dev_attr.attr, + &sensor_dev_attr_pwm2.dev_attr.attr, + &sensor_dev_attr_pwm3.dev_attr.attr, }; /* @@ -798,18 +1118,30 @@ static void __devinit f71805f_init_device(struct f71805f_data *data) /* Fan monitoring can be disabled. If it is, we won't be polling the register values, and won't create the related sysfs files. */ for (i = 0; i < 3; i++) { - reg = f71805f_read8(data, F71805F_REG_FAN_CTRL(i)); - if (!(reg & 0x80)) - data->fan_enabled |= (1 << i); + data->fan_ctrl[i] = f71805f_read8(data, + F71805F_REG_FAN_CTRL(i)); + /* Clear latch full bit, else "speed mode" fan speed control + doesn't work */ + if (data->fan_ctrl[i] & FAN_CTRL_LATCH_FULL) { + data->fan_ctrl[i] &= ~FAN_CTRL_LATCH_FULL; + f71805f_write8(data, F71805F_REG_FAN_CTRL(i), + data->fan_ctrl[i]); + } } } static int __devinit f71805f_probe(struct platform_device *pdev) { + struct f71805f_sio_data *sio_data = pdev->dev.platform_data; struct f71805f_data *data; struct resource *res; int i, err; + static const char *names[] = { + "f71805f", + "f71872f", + }; + if (!(data = kzalloc(sizeof(struct f71805f_data), GFP_KERNEL))) { err = -ENOMEM; printk(KERN_ERR DRVNAME ": Out of memory\n"); @@ -819,24 +1151,69 @@ static int __devinit f71805f_probe(struct platform_device *pdev) res = platform_get_resource(pdev, IORESOURCE_IO, 0); data->addr = res->start; mutex_init(&data->lock); - data->name = "f71805f"; + data->name = names[sio_data->kind]; mutex_init(&data->update_lock); platform_set_drvdata(pdev, data); + /* Some voltage inputs depend on chip model and configuration */ + switch (sio_data->kind) { + case f71805f: + data->has_in = 0x1ff; + break; + case f71872f: + data->has_in = 0x6ef; + if (sio_data->fnsel1 & 0x01) + data->has_in |= (1 << 4); /* in4 */ + if (sio_data->fnsel1 & 0x02) + data->has_in |= (1 << 8); /* in8 */ + break; + } + /* Initialize the F71805F chip */ f71805f_init_device(data); /* Register sysfs interface files */ if ((err = sysfs_create_group(&pdev->dev.kobj, &f71805f_group))) goto exit_free; - for (i = 0; i < 3; i++) { - if (!(data->fan_enabled & (1 << i))) - continue; + if (data->has_in & (1 << 4)) { /* in4 */ + if ((err = sysfs_create_group(&pdev->dev.kobj, + &f71805f_group_optin[0]))) + goto exit_remove_files; + } + if (data->has_in & (1 << 8)) { /* in8 */ + if ((err = sysfs_create_group(&pdev->dev.kobj, + &f71805f_group_optin[1]))) + goto exit_remove_files; + } + if (data->has_in & (1 << 9)) { /* in9 (F71872F/FG only) */ if ((err = sysfs_create_group(&pdev->dev.kobj, - &f71805f_group_fan[i]))) + &f71805f_group_optin[2]))) goto exit_remove_files; } + if (data->has_in & (1 << 10)) { /* in9 (F71872F/FG only) */ + if ((err = sysfs_create_group(&pdev->dev.kobj, + &f71805f_group_optin[3]))) + goto exit_remove_files; + } + for (i = 0; i < 3; i++) { + /* If control mode is PWM, create pwm_freq file */ + if (!(data->fan_ctrl[i] & FAN_CTRL_DC_MODE)) { + if ((err = sysfs_create_file(&pdev->dev.kobj, + f71805f_attributes_pwm_freq[i]))) + goto exit_remove_files; + } + /* If PWM is in manual mode, add write permission */ + if (data->fan_ctrl[i] & FAN_CTRL_MODE_MANUAL) { + if ((err = sysfs_chmod_file(&pdev->dev.kobj, + f71805f_attr_pwm[i], + S_IRUGO | S_IWUSR))) { + dev_err(&pdev->dev, "chmod +w pwm%d failed\n", + i + 1); + goto exit_remove_files; + } + } + } data->class_dev = hwmon_device_register(&pdev->dev); if (IS_ERR(data->class_dev)) { @@ -849,8 +1226,9 @@ static int __devinit f71805f_probe(struct platform_device *pdev) exit_remove_files: sysfs_remove_group(&pdev->dev.kobj, &f71805f_group); - for (i = 0; i < 3; i++) - sysfs_remove_group(&pdev->dev.kobj, &f71805f_group_fan[i]); + for (i = 0; i < 4; i++) + sysfs_remove_group(&pdev->dev.kobj, &f71805f_group_optin[i]); + sysfs_remove_group(&pdev->dev.kobj, &f71805f_group_pwm_freq); exit_free: platform_set_drvdata(pdev, NULL); kfree(data); @@ -866,8 +1244,9 @@ static int __devexit f71805f_remove(struct platform_device *pdev) platform_set_drvdata(pdev, NULL); hwmon_device_unregister(data->class_dev); sysfs_remove_group(&pdev->dev.kobj, &f71805f_group); - for (i = 0; i < 3; i++) - sysfs_remove_group(&pdev->dev.kobj, &f71805f_group_fan[i]); + for (i = 0; i < 4; i++) + sysfs_remove_group(&pdev->dev.kobj, &f71805f_group_optin[i]); + sysfs_remove_group(&pdev->dev.kobj, &f71805f_group_pwm_freq); kfree(data); return 0; @@ -882,7 +1261,8 @@ static struct platform_driver f71805f_driver = { .remove = __devexit_p(f71805f_remove), }; -static int __init f71805f_device_add(unsigned short address) +static int __init f71805f_device_add(unsigned short address, + const struct f71805f_sio_data *sio_data) { struct resource res = { .start = address, @@ -906,26 +1286,45 @@ static int __init f71805f_device_add(unsigned short address) goto exit_device_put; } + pdev->dev.platform_data = kmalloc(sizeof(struct f71805f_sio_data), + GFP_KERNEL); + if (!pdev->dev.platform_data) { + err = -ENOMEM; + printk(KERN_ERR DRVNAME ": Platform data allocation failed\n"); + goto exit_device_put; + } + memcpy(pdev->dev.platform_data, sio_data, + sizeof(struct f71805f_sio_data)); + err = platform_device_add(pdev); if (err) { printk(KERN_ERR DRVNAME ": Device addition failed (%d)\n", err); - goto exit_device_put; + goto exit_kfree_data; } return 0; +exit_kfree_data: + kfree(pdev->dev.platform_data); + pdev->dev.platform_data = NULL; exit_device_put: platform_device_put(pdev); exit: return err; } -static int __init f71805f_find(int sioaddr, unsigned short *address) +static int __init f71805f_find(int sioaddr, unsigned short *address, + struct f71805f_sio_data *sio_data) { int err = -ENODEV; u16 devid; + static const char *names[] = { + "F71805F/FG", + "F71872F/FG", + }; + superio_enter(sioaddr); devid = superio_inw(sioaddr, SIO_REG_MANID); @@ -933,7 +1332,15 @@ static int __init f71805f_find(int sioaddr, unsigned short *address) goto exit; devid = superio_inw(sioaddr, SIO_REG_DEVID); - if (devid != SIO_F71805F_ID) { + switch (devid) { + case SIO_F71805F_ID: + sio_data->kind = f71805f; + break; + case SIO_F71872F_ID: + sio_data->kind = f71872f; + sio_data->fnsel1 = superio_inb(sioaddr, SIO_REG_FNSEL1); + break; + default: printk(KERN_INFO DRVNAME ": Unsupported Fintek device, " "skipping\n"); goto exit; @@ -952,10 +1359,12 @@ static int __init f71805f_find(int sioaddr, unsigned short *address) "skipping\n"); goto exit; } + *address &= ~(REGION_LENGTH - 1); /* Ignore 3 LSB */ err = 0; - printk(KERN_INFO DRVNAME ": Found F71805F chip at %#x, revision %u\n", - *address, superio_inb(sioaddr, SIO_REG_DEVREV)); + printk(KERN_INFO DRVNAME ": Found %s chip at %#x, revision %u\n", + names[sio_data->kind], *address, + superio_inb(sioaddr, SIO_REG_DEVREV)); exit: superio_exit(sioaddr); @@ -966,9 +1375,10 @@ static int __init f71805f_init(void) { int err; unsigned short address; + struct f71805f_sio_data sio_data; - if (f71805f_find(0x2e, &address) - && f71805f_find(0x4e, &address)) + if (f71805f_find(0x2e, &address, &sio_data) + && f71805f_find(0x4e, &address, &sio_data)) return -ENODEV; err = platform_driver_register(&f71805f_driver); @@ -976,7 +1386,7 @@ static int __init f71805f_init(void) goto exit; /* Sets global pdev as a side effect */ - err = f71805f_device_add(address); + err = f71805f_device_add(address, &sio_data); if (err) goto exit_driver; @@ -990,13 +1400,16 @@ exit: static void __exit f71805f_exit(void) { + kfree(pdev->dev.platform_data); + pdev->dev.platform_data = NULL; platform_device_unregister(pdev); + platform_driver_unregister(&f71805f_driver); } MODULE_AUTHOR("Jean Delvare <khali@linux-fr>"); MODULE_LICENSE("GPL"); -MODULE_DESCRIPTION("F71805F hardware monitoring driver"); +MODULE_DESCRIPTION("F71805F/F71872F hardware monitoring driver"); module_init(f71805f_init); module_exit(f71805f_exit); diff --git a/drivers/hwmon/hdaps.c b/drivers/hwmon/hdaps.c index e8ef62b83d6bf..bf759ea545ac5 100644 --- a/drivers/hwmon/hdaps.c +++ b/drivers/hwmon/hdaps.c @@ -478,74 +478,64 @@ static struct attribute_group hdaps_attribute_group = { /* Module stuff */ /* hdaps_dmi_match - found a match. return one, short-circuiting the hunt. */ -static int hdaps_dmi_match(struct dmi_system_id *id) +static int __init hdaps_dmi_match(struct dmi_system_id *id) { printk(KERN_INFO "hdaps: %s detected.\n", id->ident); return 1; } /* hdaps_dmi_match_invert - found an inverted match. */ -static int hdaps_dmi_match_invert(struct dmi_system_id *id) +static int __init hdaps_dmi_match_invert(struct dmi_system_id *id) { hdaps_invert = 1; printk(KERN_INFO "hdaps: inverting axis readings.\n"); return hdaps_dmi_match(id); } -#define HDAPS_DMI_MATCH_NORMAL(model) { \ - .ident = "IBM " model, \ +#define HDAPS_DMI_MATCH_NORMAL(vendor, model) { \ + .ident = vendor " " model, \ .callback = hdaps_dmi_match, \ .matches = { \ - DMI_MATCH(DMI_BOARD_VENDOR, "IBM"), \ + DMI_MATCH(DMI_BOARD_VENDOR, vendor), \ DMI_MATCH(DMI_PRODUCT_VERSION, model) \ } \ } -#define HDAPS_DMI_MATCH_INVERT(model) { \ - .ident = "IBM " model, \ +#define HDAPS_DMI_MATCH_INVERT(vendor, model) { \ + .ident = vendor " " model, \ .callback = hdaps_dmi_match_invert, \ .matches = { \ - DMI_MATCH(DMI_BOARD_VENDOR, "IBM"), \ + DMI_MATCH(DMI_BOARD_VENDOR, vendor), \ DMI_MATCH(DMI_PRODUCT_VERSION, model) \ } \ } -#define HDAPS_DMI_MATCH_LENOVO(model) { \ - .ident = "Lenovo " model, \ - .callback = hdaps_dmi_match_invert, \ - .matches = { \ - DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"), \ - DMI_MATCH(DMI_PRODUCT_VERSION, model) \ - } \ -} +/* Note that HDAPS_DMI_MATCH_NORMAL("ThinkPad T42") would match + "ThinkPad T42p", so the order of the entries matters. + If your ThinkPad is not recognized, please update to latest + BIOS. This is especially the case for some R52 ThinkPads. */ +static struct dmi_system_id __initdata hdaps_whitelist[] = { + HDAPS_DMI_MATCH_INVERT("IBM", "ThinkPad R50p"), + HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad R50"), + HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad R51"), + HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad R52"), + HDAPS_DMI_MATCH_INVERT("IBM", "ThinkPad T41p"), + HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad T41"), + HDAPS_DMI_MATCH_INVERT("IBM", "ThinkPad T42p"), + HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad T42"), + HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad T43"), + HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad T60"), + HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad X40"), + HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad X41"), + HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad X60"), + HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad Z60m"), + { .ident = NULL } +}; static int __init hdaps_init(void) { int ret; - /* Note that HDAPS_DMI_MATCH_NORMAL("ThinkPad T42") would match - "ThinkPad T42p", so the order of the entries matters */ - struct dmi_system_id hdaps_whitelist[] = { - HDAPS_DMI_MATCH_NORMAL("ThinkPad H"), - HDAPS_DMI_MATCH_INVERT("ThinkPad R50p"), - HDAPS_DMI_MATCH_NORMAL("ThinkPad R50"), - HDAPS_DMI_MATCH_NORMAL("ThinkPad R51"), - HDAPS_DMI_MATCH_NORMAL("ThinkPad R52"), - HDAPS_DMI_MATCH_NORMAL("ThinkPad H"), /* R52 (1846AQG) */ - HDAPS_DMI_MATCH_INVERT("ThinkPad T41p"), - HDAPS_DMI_MATCH_NORMAL("ThinkPad T41"), - HDAPS_DMI_MATCH_INVERT("ThinkPad T42p"), - HDAPS_DMI_MATCH_NORMAL("ThinkPad T42"), - HDAPS_DMI_MATCH_NORMAL("ThinkPad T43"), - HDAPS_DMI_MATCH_LENOVO("ThinkPad T60p"), - HDAPS_DMI_MATCH_LENOVO("ThinkPad T60"), - HDAPS_DMI_MATCH_NORMAL("ThinkPad X40"), - HDAPS_DMI_MATCH_NORMAL("ThinkPad X41"), - HDAPS_DMI_MATCH_LENOVO("ThinkPad X60"), - HDAPS_DMI_MATCH_NORMAL("ThinkPad Z60m"), - { .ident = NULL } - }; - if (!dmi_check_system(hdaps_whitelist)) { printk(KERN_WARNING "hdaps: supported laptop not found!\n"); ret = -ENODEV; diff --git a/drivers/hwmon/hwmon-vid.c b/drivers/hwmon/hwmon-vid.c index 9d67320e68401..31c42002708f9 100644 --- a/drivers/hwmon/hwmon-vid.c +++ b/drivers/hwmon/hwmon-vid.c @@ -1,7 +1,7 @@ /* hwmon-vid.c - VID/VRM/VRD voltage conversions - Copyright (c) 2004 Rudolf Marek <r.marek@sh.cvut.cz> + Copyright (c) 2004 Rudolf Marek <r.marek@assembler.cz> Partly imported from i2c-vid.h of the lm_sensors project Copyright (c) 2002 Mark D. Studebaker <mdsxyz123@yahoo.com> @@ -232,7 +232,7 @@ u8 vid_which_vrm(void) EXPORT_SYMBOL(vid_from_reg); EXPORT_SYMBOL(vid_which_vrm); -MODULE_AUTHOR("Rudolf Marek <r.marek@sh.cvut.cz>"); +MODULE_AUTHOR("Rudolf Marek <r.marek@assembler.cz>"); MODULE_DESCRIPTION("hwmon-vid driver"); MODULE_LICENSE("GPL"); diff --git a/drivers/hwmon/it87.c b/drivers/hwmon/it87.c index 323ef06719c16..1ed8b7e2c35df 100644 --- a/drivers/hwmon/it87.c +++ b/drivers/hwmon/it87.c @@ -3,7 +3,7 @@ monitoring. Supports: IT8705F Super I/O chip w/LPC interface - IT8712F Super I/O chip w/LPC interface & SMBus + IT8712F Super I/O chip w/LPC interface IT8716F Super I/O chip w/LPC interface IT8718F Super I/O chip w/LPC interface Sis950 A clone of the IT8705F @@ -41,12 +41,8 @@ #include <asm/io.h> -/* Addresses to scan */ -static unsigned short normal_i2c[] = { 0x2d, I2C_CLIENT_END }; static unsigned short isa_address; - -/* Insmod parameters */ -I2C_CLIENT_INSMOD_4(it87, it8712, it8716, it8718); +enum chips { it87, it8712, it8716, it8718 }; #define REG 0x2e /* The register to read/write */ #define DEV 0x07 /* Register: Logical device select */ @@ -162,8 +158,6 @@ static u8 vid_value; #define IT87_REG_TEMP_HIGH(nr) (0x40 + (nr) * 2) #define IT87_REG_TEMP_LOW(nr) (0x41 + (nr) * 2) -#define IT87_REG_I2C_ADDR 0x48 - #define IT87_REG_VIN_ENABLE 0x50 #define IT87_REG_TEMP_ENABLE 0x51 @@ -242,33 +236,22 @@ struct it87_data { }; -static int it87_attach_adapter(struct i2c_adapter *adapter); -static int it87_isa_attach_adapter(struct i2c_adapter *adapter); -static int it87_detect(struct i2c_adapter *adapter, int address, int kind); +static int it87_detect(struct i2c_adapter *adapter); static int it87_detach_client(struct i2c_client *client); static int it87_read_value(struct i2c_client *client, u8 reg); -static int it87_write_value(struct i2c_client *client, u8 reg, u8 value); +static void it87_write_value(struct i2c_client *client, u8 reg, u8 value); static struct it87_data *it87_update_device(struct device *dev); static int it87_check_pwm(struct i2c_client *client); static void it87_init_client(struct i2c_client *client, struct it87_data *data); -static struct i2c_driver it87_driver = { - .driver = { - .name = "it87", - }, - .id = I2C_DRIVERID_IT87, - .attach_adapter = it87_attach_adapter, - .detach_client = it87_detach_client, -}; - static struct i2c_driver it87_isa_driver = { .driver = { .owner = THIS_MODULE, .name = "it87-isa", }, - .attach_adapter = it87_isa_attach_adapter, + .attach_adapter = it87_detect, .detach_client = it87_detach_client, }; @@ -850,22 +833,6 @@ static const struct attribute_group it87_group_opt = { .attrs = it87_attributes_opt, }; -/* This function is called when: - * it87_driver is inserted (when this module is loaded), for each - available adapter - * when a new adapter is inserted (and it87_driver is still present) */ -static int it87_attach_adapter(struct i2c_adapter *adapter) -{ - if (!(adapter->class & I2C_CLASS_HWMON)) - return 0; - return i2c_probe(adapter, &addr_data, it87_detect); -} - -static int it87_isa_attach_adapter(struct i2c_adapter *adapter) -{ - return it87_detect(adapter, isa_address, -1); -} - /* SuperIO detection - will change isa_address if a chip is found */ static int __init it87_find(unsigned short *address) { @@ -916,29 +883,20 @@ exit: } /* This function is called by i2c_probe */ -static int it87_detect(struct i2c_adapter *adapter, int address, int kind) +static int it87_detect(struct i2c_adapter *adapter) { - int i; struct i2c_client *new_client; struct it87_data *data; int err = 0; - const char *name = ""; - int is_isa = i2c_is_isa_adapter(adapter); + const char *name; int enable_pwm_interface; - if (!is_isa && - !i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) - goto ERROR0; - /* Reserve the ISA region */ - if (is_isa) - if (!request_region(address, IT87_EXTENT, - it87_isa_driver.driver.name)) - goto ERROR0; - - /* For now, we presume we have a valid client. We create the - client structure, even though we cannot fill it completely yet. - But it allows us to access it87_{read,write}_value. */ + if (!request_region(isa_address, IT87_EXTENT, + it87_isa_driver.driver.name)){ + err = -EBUSY; + goto ERROR0; + } if (!(data = kzalloc(sizeof(struct it87_data), GFP_KERNEL))) { err = -ENOMEM; @@ -946,80 +904,46 @@ static int it87_detect(struct i2c_adapter *adapter, int address, int kind) } new_client = &data->client; - if (is_isa) - mutex_init(&data->lock); + mutex_init(&data->lock); i2c_set_clientdata(new_client, data); - new_client->addr = address; + new_client->addr = isa_address; new_client->adapter = adapter; - new_client->driver = is_isa ? &it87_isa_driver : &it87_driver; - new_client->flags = 0; + new_client->driver = &it87_isa_driver; /* Now, we do the remaining detection. */ - - if (kind < 0) { - if ((it87_read_value(new_client, IT87_REG_CONFIG) & 0x80) - || (!is_isa - && it87_read_value(new_client, IT87_REG_I2C_ADDR) != address)) { - err = -ENODEV; - goto ERROR2; - } + if ((it87_read_value(new_client, IT87_REG_CONFIG) & 0x80) + || it87_read_value(new_client, IT87_REG_CHIPID) != 0x90) { + err = -ENODEV; + goto ERROR2; } /* Determine the chip type. */ - if (kind <= 0) { - i = it87_read_value(new_client, IT87_REG_CHIPID); - if (i == 0x90) { - kind = it87; - if (is_isa) { - switch (chip_type) { - case IT8712F_DEVID: - kind = it8712; - break; - case IT8716F_DEVID: - kind = it8716; - break; - case IT8718F_DEVID: - kind = it8718; - break; - } - } - } - else { - if (kind == 0) - dev_info(&adapter->dev, - "Ignoring 'force' parameter for unknown chip at " - "adapter %d, address 0x%02x\n", - i2c_adapter_id(adapter), address); - err = -ENODEV; - goto ERROR2; - } - } - - if (kind == it87) { - name = "it87"; - } else if (kind == it8712) { + switch (chip_type) { + case IT8712F_DEVID: + data->type = it8712; name = "it8712"; - } else if (kind == it8716) { + break; + case IT8716F_DEVID: + data->type = it8716; name = "it8716"; - } else if (kind == it8718) { + break; + case IT8718F_DEVID: + data->type = it8718; name = "it8718"; + break; + default: + data->type = it87; + name = "it87"; } /* Fill in the remaining client fields and put it into the global list */ strlcpy(new_client->name, name, I2C_NAME_SIZE); - data->type = kind; - data->valid = 0; mutex_init(&data->update_lock); /* Tell the I2C layer a new client has arrived */ if ((err = i2c_attach_client(new_client))) goto ERROR2; - if (!is_isa) - dev_info(&new_client->dev, "The I2C interface to IT87xxF " - "hardware monitoring chips is deprecated. Please " - "report if you still rely on it.\n"); - /* Check PWM configuration */ enable_pwm_interface = it87_check_pwm(new_client); @@ -1129,8 +1053,7 @@ ERROR3: ERROR2: kfree(data); ERROR1: - if (is_isa) - release_region(address, IT87_EXTENT); + release_region(isa_address, IT87_EXTENT); ERROR0: return err; } @@ -1147,50 +1070,39 @@ static int it87_detach_client(struct i2c_client *client) if ((err = i2c_detach_client(client))) return err; - if(i2c_is_isa_client(client)) - release_region(client->addr, IT87_EXTENT); + release_region(client->addr, IT87_EXTENT); kfree(data); return 0; } -/* The SMBus locks itself, but ISA access must be locked explicitly! - We don't want to lock the whole ISA bus, so we lock each client - separately. +/* ISA access must be locked explicitly! We ignore the IT87 BUSY flag at this moment - it could lead to deadlocks, would slow down the IT87 access and should not be necessary. */ static int it87_read_value(struct i2c_client *client, u8 reg) { struct it87_data *data = i2c_get_clientdata(client); - int res; - if (i2c_is_isa_client(client)) { - mutex_lock(&data->lock); - outb_p(reg, client->addr + IT87_ADDR_REG_OFFSET); - res = inb_p(client->addr + IT87_DATA_REG_OFFSET); - mutex_unlock(&data->lock); - return res; - } else - return i2c_smbus_read_byte_data(client, reg); + + mutex_lock(&data->lock); + outb_p(reg, client->addr + IT87_ADDR_REG_OFFSET); + res = inb_p(client->addr + IT87_DATA_REG_OFFSET); + mutex_unlock(&data->lock); + + return res; } -/* The SMBus locks itself, but ISA access muse be locked explicitly! - We don't want to lock the whole ISA bus, so we lock each client - separately. +/* ISA access must be locked explicitly! We ignore the IT87 BUSY flag at this moment - it could lead to deadlocks, would slow down the IT87 access and should not be necessary. */ -static int it87_write_value(struct i2c_client *client, u8 reg, u8 value) +static void it87_write_value(struct i2c_client *client, u8 reg, u8 value) { struct it87_data *data = i2c_get_clientdata(client); - if (i2c_is_isa_client(client)) { - mutex_lock(&data->lock); - outb_p(reg, client->addr + IT87_ADDR_REG_OFFSET); - outb_p(value, client->addr + IT87_DATA_REG_OFFSET); - mutex_unlock(&data->lock); - return 0; - } else - return i2c_smbus_write_byte_data(client, reg, value); + mutex_lock(&data->lock); + outb_p(reg, client->addr + IT87_ADDR_REG_OFFSET); + outb_p(value, client->addr + IT87_DATA_REG_OFFSET); + mutex_unlock(&data->lock); } /* Return 1 if and only if the PWM interface is safe to use */ @@ -1426,26 +1338,14 @@ static int __init sm_it87_init(void) { int res; - res = i2c_add_driver(&it87_driver); - if (res) + if ((res = it87_find(&isa_address))) return res; - - if (!it87_find(&isa_address)) { - res = i2c_isa_add_driver(&it87_isa_driver); - if (res) { - i2c_del_driver(&it87_driver); - return res; - } - } - - return 0; + return i2c_isa_add_driver(&it87_isa_driver); } static void __exit sm_it87_exit(void) { - if (isa_address) - i2c_isa_del_driver(&it87_isa_driver); - i2c_del_driver(&it87_driver); + i2c_isa_del_driver(&it87_isa_driver); } diff --git a/drivers/hwmon/k8temp.c b/drivers/hwmon/k8temp.c index f58b64ed09e3f..5d8d0ca08fa9a 100644 --- a/drivers/hwmon/k8temp.c +++ b/drivers/hwmon/k8temp.c @@ -1,7 +1,7 @@ /* * k8temp.c - Linux kernel module for hardware monitoring * - * Copyright (C) 2006 Rudolf Marek <r.marek@sh.cvut.cz> + * Copyright (C) 2006 Rudolf Marek <r.marek@assembler.cz> * * Inspired from the w83785 and amd756 drivers. * @@ -286,7 +286,7 @@ static void __exit k8temp_exit(void) pci_unregister_driver(&k8temp_driver); } -MODULE_AUTHOR("Rudolf Marek <r.marek@sh.cvut.cz>"); +MODULE_AUTHOR("Rudolf Marek <r.marek@assembler.cz>"); MODULE_DESCRIPTION("AMD K8 core temperature monitor"); MODULE_LICENSE("GPL"); diff --git a/drivers/hwmon/pc87360.c b/drivers/hwmon/pc87360.c index 3b8b81984ad4c..c8a21be09d875 100644 --- a/drivers/hwmon/pc87360.c +++ b/drivers/hwmon/pc87360.c @@ -1000,7 +1000,7 @@ static int pc87360_detect(struct i2c_adapter *adapter) (i&0x02) ? "external" : "internal"); data->vid_conf = confreg[3]; - data->vrm = 90; + data->vrm = vid_which_vrm(); } /* Fan clock dividers may be needed before any data is read */ diff --git a/drivers/hwmon/pc87427.c b/drivers/hwmon/pc87427.c new file mode 100644 index 0000000000000..affa21a5ccfd2 --- /dev/null +++ b/drivers/hwmon/pc87427.c @@ -0,0 +1,627 @@ +/* + * pc87427.c - hardware monitoring driver for the + * National Semiconductor PC87427 Super-I/O chip + * Copyright (C) 2006 Jean Delvare <khali@linux-fr.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * Supports the following chips: + * + * Chip #vin #fan #pwm #temp devid + * PC87427 - 8 - - 0xF2 + * + * This driver assumes that no more than one chip is present. + * Only fan inputs are supported so far, although the chip can do much more. + */ + +#include <linux/module.h> +#include <linux/init.h> +#include <linux/slab.h> +#include <linux/jiffies.h> +#include <linux/platform_device.h> +#include <linux/hwmon.h> +#include <linux/hwmon-sysfs.h> +#include <linux/err.h> +#include <linux/mutex.h> +#include <linux/sysfs.h> +#include <asm/io.h> + +static struct platform_device *pdev; + +#define DRVNAME "pc87427" + +/* The lock mutex protects both the I/O accesses (needed because the + device is using banked registers) and the register cache (needed to keep + the data in the registers and the cache in sync at any time). */ +struct pc87427_data { + struct class_device *class_dev; + struct mutex lock; + int address[2]; + const char *name; + + unsigned long last_updated; /* in jiffies */ + u8 fan_enabled; /* bit vector */ + u16 fan[8]; /* register values */ + u16 fan_min[8]; /* register values */ + u8 fan_status[8]; /* register values */ +}; + +/* + * Super-I/O registers and operations + */ + +#define SIOREG_LDSEL 0x07 /* Logical device select */ +#define SIOREG_DEVID 0x20 /* Device ID */ +#define SIOREG_ACT 0x30 /* Device activation */ +#define SIOREG_MAP 0x50 /* I/O or memory mapping */ +#define SIOREG_IOBASE 0x60 /* I/O base address */ + +static const u8 logdev[2] = { 0x09, 0x14 }; +static const char *logdev_str[2] = { DRVNAME " FMC", DRVNAME " HMC" }; +#define LD_FAN 0 +#define LD_IN 1 +#define LD_TEMP 1 + +static inline void superio_outb(int sioaddr, int reg, int val) +{ + outb(reg, sioaddr); + outb(val, sioaddr + 1); +} + +static inline int superio_inb(int sioaddr, int reg) +{ + outb(reg, sioaddr); + return inb(sioaddr + 1); +} + +static inline void superio_exit(int sioaddr) +{ + outb(0x02, sioaddr); + outb(0x02, sioaddr + 1); +} + +/* + * Logical devices + */ + +#define REGION_LENGTH 32 +#define PC87427_REG_BANK 0x0f +#define BANK_FM(nr) (nr) +#define BANK_FT(nr) (0x08 + (nr)) +#define BANK_FC(nr) (0x10 + (nr) * 2) + +/* + * I/O access functions + */ + +/* ldi is the logical device index */ +static inline int pc87427_read8(struct pc87427_data *data, u8 ldi, u8 reg) +{ + return inb(data->address[ldi] + reg); +} + +/* Must be called with data->lock held, except during init */ +static inline int pc87427_read8_bank(struct pc87427_data *data, u8 ldi, + u8 bank, u8 reg) +{ + outb(bank, data->address[ldi] + PC87427_REG_BANK); + return inb(data->address[ldi] + reg); +} + +/* Must be called with data->lock held, except during init */ +static inline void pc87427_write8_bank(struct pc87427_data *data, u8 ldi, + u8 bank, u8 reg, u8 value) +{ + outb(bank, data->address[ldi] + PC87427_REG_BANK); + outb(value, data->address[ldi] + reg); +} + +/* + * Fan registers and conversions + */ + +/* fan data registers are 16-bit wide */ +#define PC87427_REG_FAN 0x12 +#define PC87427_REG_FAN_MIN 0x14 +#define PC87427_REG_FAN_STATUS 0x10 + +#define FAN_STATUS_STALL (1 << 3) +#define FAN_STATUS_LOSPD (1 << 1) +#define FAN_STATUS_MONEN (1 << 0) + +/* Dedicated function to read all registers related to a given fan input. + This saves us quite a few locks and bank selections. + Must be called with data->lock held. + nr is from 0 to 7 */ +static void pc87427_readall_fan(struct pc87427_data *data, u8 nr) +{ + int iobase = data->address[LD_FAN]; + + outb(BANK_FM(nr), iobase + PC87427_REG_BANK); + data->fan[nr] = inw(iobase + PC87427_REG_FAN); + data->fan_min[nr] = inw(iobase + PC87427_REG_FAN_MIN); + data->fan_status[nr] = inb(iobase + PC87427_REG_FAN_STATUS); + /* Clear fan alarm bits */ + outb(data->fan_status[nr], iobase + PC87427_REG_FAN_STATUS); +} + +/* The 2 LSB of fan speed registers are used for something different. + The actual 2 LSB of the measurements are not available. */ +static inline unsigned long fan_from_reg(u16 reg) +{ + reg &= 0xfffc; + if (reg == 0x0000 || reg == 0xfffc) + return 0; + return 5400000UL / reg; +} + +/* The 2 LSB of the fan speed limit registers are not significant. */ +static inline u16 fan_to_reg(unsigned long val) +{ + if (val < 83UL) + return 0xffff; + if (val >= 1350000UL) + return 0x0004; + return ((1350000UL + val / 2) / val) << 2; +} + +/* + * Data interface + */ + +static struct pc87427_data *pc87427_update_device(struct device *dev) +{ + struct pc87427_data *data = dev_get_drvdata(dev); + int i; + + mutex_lock(&data->lock); + if (!time_after(jiffies, data->last_updated + HZ) + && data->last_updated) + goto done; + + /* Fans */ + for (i = 0; i < 8; i++) { + if (!(data->fan_enabled & (1 << i))) + continue; + pc87427_readall_fan(data, i); + } + data->last_updated = jiffies; + +done: + mutex_unlock(&data->lock); + return data; +} + +static ssize_t show_fan_input(struct device *dev, struct device_attribute + *devattr, char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct pc87427_data *data = pc87427_update_device(dev); + int nr = attr->index; + + return sprintf(buf, "%lu\n", fan_from_reg(data->fan[nr])); +} + +static ssize_t show_fan_min(struct device *dev, struct device_attribute + *devattr, char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct pc87427_data *data = pc87427_update_device(dev); + int nr = attr->index; + + return sprintf(buf, "%lu\n", fan_from_reg(data->fan_min[nr])); +} + +static ssize_t show_fan_alarm(struct device *dev, struct device_attribute + *devattr, char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct pc87427_data *data = pc87427_update_device(dev); + int nr = attr->index; + + return sprintf(buf, "%d\n", !!(data->fan_status[nr] + & FAN_STATUS_LOSPD)); +} + +static ssize_t show_fan_fault(struct device *dev, struct device_attribute + *devattr, char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct pc87427_data *data = pc87427_update_device(dev); + int nr = attr->index; + + return sprintf(buf, "%d\n", !!(data->fan_status[nr] + & FAN_STATUS_STALL)); +} + +static ssize_t set_fan_min(struct device *dev, struct device_attribute + *devattr, const char *buf, size_t count) +{ + struct pc87427_data *data = dev_get_drvdata(dev); + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + int nr = attr->index; + unsigned long val = simple_strtoul(buf, NULL, 10); + int iobase = data->address[LD_FAN]; + + mutex_lock(&data->lock); + outb(BANK_FM(nr), iobase + PC87427_REG_BANK); + /* The low speed limit registers are read-only while monitoring + is enabled, so we have to disable monitoring, then change the + limit, and finally enable monitoring again. */ + outb(0, iobase + PC87427_REG_FAN_STATUS); + data->fan_min[nr] = fan_to_reg(val); + outw(data->fan_min[nr], iobase + PC87427_REG_FAN_MIN); + outb(FAN_STATUS_MONEN, iobase + PC87427_REG_FAN_STATUS); + mutex_unlock(&data->lock); + + return count; +} + +static SENSOR_DEVICE_ATTR(fan1_input, S_IRUGO, show_fan_input, NULL, 0); +static SENSOR_DEVICE_ATTR(fan2_input, S_IRUGO, show_fan_input, NULL, 1); +static SENSOR_DEVICE_ATTR(fan3_input, S_IRUGO, show_fan_input, NULL, 2); +static SENSOR_DEVICE_ATTR(fan4_input, S_IRUGO, show_fan_input, NULL, 3); +static SENSOR_DEVICE_ATTR(fan5_input, S_IRUGO, show_fan_input, NULL, 4); +static SENSOR_DEVICE_ATTR(fan6_input, S_IRUGO, show_fan_input, NULL, 5); +static SENSOR_DEVICE_ATTR(fan7_input, S_IRUGO, show_fan_input, NULL, 6); +static SENSOR_DEVICE_ATTR(fan8_input, S_IRUGO, show_fan_input, NULL, 7); + +static SENSOR_DEVICE_ATTR(fan1_min, S_IWUSR | S_IRUGO, + show_fan_min, set_fan_min, 0); +static SENSOR_DEVICE_ATTR(fan2_min, S_IWUSR | S_IRUGO, + show_fan_min, set_fan_min, 1); +static SENSOR_DEVICE_ATTR(fan3_min, S_IWUSR | S_IRUGO, + show_fan_min, set_fan_min, 2); +static SENSOR_DEVICE_ATTR(fan4_min, S_IWUSR | S_IRUGO, + show_fan_min, set_fan_min, 3); +static SENSOR_DEVICE_ATTR(fan5_min, S_IWUSR | S_IRUGO, + show_fan_min, set_fan_min, 4); +static SENSOR_DEVICE_ATTR(fan6_min, S_IWUSR | S_IRUGO, + show_fan_min, set_fan_min, 5); +static SENSOR_DEVICE_ATTR(fan7_min, S_IWUSR | S_IRUGO, + show_fan_min, set_fan_min, 6); +static SENSOR_DEVICE_ATTR(fan8_min, S_IWUSR | S_IRUGO, + show_fan_min, set_fan_min, 7); + +static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_fan_alarm, NULL, 0); +static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_fan_alarm, NULL, 1); +static SENSOR_DEVICE_ATTR(fan3_alarm, S_IRUGO, show_fan_alarm, NULL, 2); +static SENSOR_DEVICE_ATTR(fan4_alarm, S_IRUGO, show_fan_alarm, NULL, 3); +static SENSOR_DEVICE_ATTR(fan5_alarm, S_IRUGO, show_fan_alarm, NULL, 4); +static SENSOR_DEVICE_ATTR(fan6_alarm, S_IRUGO, show_fan_alarm, NULL, 5); +static SENSOR_DEVICE_ATTR(fan7_alarm, S_IRUGO, show_fan_alarm, NULL, 6); +static SENSOR_DEVICE_ATTR(fan8_alarm, S_IRUGO, show_fan_alarm, NULL, 7); + +static SENSOR_DEVICE_ATTR(fan1_fault, S_IRUGO, show_fan_fault, NULL, 0); +static SENSOR_DEVICE_ATTR(fan2_fault, S_IRUGO, show_fan_fault, NULL, 1); +static SENSOR_DEVICE_ATTR(fan3_fault, S_IRUGO, show_fan_fault, NULL, 2); +static SENSOR_DEVICE_ATTR(fan4_fault, S_IRUGO, show_fan_fault, NULL, 3); +static SENSOR_DEVICE_ATTR(fan5_fault, S_IRUGO, show_fan_fault, NULL, 4); +static SENSOR_DEVICE_ATTR(fan6_fault, S_IRUGO, show_fan_fault, NULL, 5); +static SENSOR_DEVICE_ATTR(fan7_fault, S_IRUGO, show_fan_fault, NULL, 6); +static SENSOR_DEVICE_ATTR(fan8_fault, S_IRUGO, show_fan_fault, NULL, 7); + +static struct attribute *pc87427_attributes_fan[8][5] = { + { + &sensor_dev_attr_fan1_input.dev_attr.attr, + &sensor_dev_attr_fan1_min.dev_attr.attr, + &sensor_dev_attr_fan1_alarm.dev_attr.attr, + &sensor_dev_attr_fan1_fault.dev_attr.attr, + NULL + }, { + &sensor_dev_attr_fan2_input.dev_attr.attr, + &sensor_dev_attr_fan2_min.dev_attr.attr, + &sensor_dev_attr_fan2_alarm.dev_attr.attr, + &sensor_dev_attr_fan2_fault.dev_attr.attr, + NULL + }, { + &sensor_dev_attr_fan3_input.dev_attr.attr, + &sensor_dev_attr_fan3_min.dev_attr.attr, + &sensor_dev_attr_fan3_alarm.dev_attr.attr, + &sensor_dev_attr_fan3_fault.dev_attr.attr, + NULL + }, { + &sensor_dev_attr_fan4_input.dev_attr.attr, + &sensor_dev_attr_fan4_min.dev_attr.attr, + &sensor_dev_attr_fan4_alarm.dev_attr.attr, + &sensor_dev_attr_fan4_fault.dev_attr.attr, + NULL + }, { + &sensor_dev_attr_fan5_input.dev_attr.attr, + &sensor_dev_attr_fan5_min.dev_attr.attr, + &sensor_dev_attr_fan5_alarm.dev_attr.attr, + &sensor_dev_attr_fan5_fault.dev_attr.attr, + NULL + }, { + &sensor_dev_attr_fan6_input.dev_attr.attr, + &sensor_dev_attr_fan6_min.dev_attr.attr, + &sensor_dev_attr_fan6_alarm.dev_attr.attr, + &sensor_dev_attr_fan6_fault.dev_attr.attr, + NULL + }, { + &sensor_dev_attr_fan7_input.dev_attr.attr, + &sensor_dev_attr_fan7_min.dev_attr.attr, + &sensor_dev_attr_fan7_alarm.dev_attr.attr, + &sensor_dev_attr_fan7_fault.dev_attr.attr, + NULL + }, { + &sensor_dev_attr_fan8_input.dev_attr.attr, + &sensor_dev_attr_fan8_min.dev_attr.attr, + &sensor_dev_attr_fan8_alarm.dev_attr.attr, + &sensor_dev_attr_fan8_fault.dev_attr.attr, + NULL + } +}; + +static const struct attribute_group pc87427_group_fan[8] = { + { .attrs = pc87427_attributes_fan[0] }, + { .attrs = pc87427_attributes_fan[1] }, + { .attrs = pc87427_attributes_fan[2] }, + { .attrs = pc87427_attributes_fan[3] }, + { .attrs = pc87427_attributes_fan[4] }, + { .attrs = pc87427_attributes_fan[5] }, + { .attrs = pc87427_attributes_fan[6] }, + { .attrs = pc87427_attributes_fan[7] }, +}; + +static ssize_t show_name(struct device *dev, struct device_attribute + *devattr, char *buf) +{ + struct pc87427_data *data = dev_get_drvdata(dev); + + return sprintf(buf, "%s\n", data->name); +} +static DEVICE_ATTR(name, S_IRUGO, show_name, NULL); + + +/* + * Device detection, attach and detach + */ + +static void __devinit pc87427_init_device(struct device *dev) +{ + struct pc87427_data *data = dev_get_drvdata(dev); + int i; + u8 reg; + + /* The FMC module should be ready */ + reg = pc87427_read8(data, LD_FAN, PC87427_REG_BANK); + if (!(reg & 0x80)) + dev_warn(dev, "FMC module not ready!\n"); + + /* Check which fans are enabled */ + for (i = 0; i < 8; i++) { + reg = pc87427_read8_bank(data, LD_FAN, BANK_FM(i), + PC87427_REG_FAN_STATUS); + if (reg & FAN_STATUS_MONEN) + data->fan_enabled |= (1 << i); + } + + if (!data->fan_enabled) { + dev_dbg(dev, "Enabling all fan inputs\n"); + for (i = 0; i < 8; i++) + pc87427_write8_bank(data, LD_FAN, BANK_FM(i), + PC87427_REG_FAN_STATUS, + FAN_STATUS_MONEN); + data->fan_enabled = 0xff; + } +} + +static int __devinit pc87427_probe(struct platform_device *pdev) +{ + struct pc87427_data *data; + struct resource *res; + int i, err; + + if (!(data = kzalloc(sizeof(struct pc87427_data), GFP_KERNEL))) { + err = -ENOMEM; + printk(KERN_ERR DRVNAME ": Out of memory\n"); + goto exit; + } + + /* This will need to be revisited when we add support for + temperature and voltage monitoring. */ + res = platform_get_resource(pdev, IORESOURCE_IO, 0); + data->address[0] = res->start; + + mutex_init(&data->lock); + data->name = "pc87427"; + platform_set_drvdata(pdev, data); + pc87427_init_device(&pdev->dev); + + /* Register sysfs hooks */ + if ((err = device_create_file(&pdev->dev, &dev_attr_name))) + goto exit_kfree; + for (i = 0; i < 8; i++) { + if (!(data->fan_enabled & (1 << i))) + continue; + if ((err = sysfs_create_group(&pdev->dev.kobj, + &pc87427_group_fan[i]))) + goto exit_remove_files; + } + + data->class_dev = hwmon_device_register(&pdev->dev); + if (IS_ERR(data->class_dev)) { + err = PTR_ERR(data->class_dev); + dev_err(&pdev->dev, "Class registration failed (%d)\n", err); + goto exit_remove_files; + } + + return 0; + +exit_remove_files: + for (i = 0; i < 8; i++) { + if (!(data->fan_enabled & (1 << i))) + continue; + sysfs_remove_group(&pdev->dev.kobj, &pc87427_group_fan[i]); + } +exit_kfree: + platform_set_drvdata(pdev, NULL); + kfree(data); +exit: + return err; +} + +static int __devexit pc87427_remove(struct platform_device *pdev) +{ + struct pc87427_data *data = platform_get_drvdata(pdev); + int i; + + platform_set_drvdata(pdev, NULL); + hwmon_device_unregister(data->class_dev); + device_remove_file(&pdev->dev, &dev_attr_name); + for (i = 0; i < 8; i++) { + if (!(data->fan_enabled & (1 << i))) + continue; + sysfs_remove_group(&pdev->dev.kobj, &pc87427_group_fan[i]); + } + kfree(data); + + return 0; +} + + +static struct platform_driver pc87427_driver = { + .driver = { + .owner = THIS_MODULE, + .name = DRVNAME, + }, + .probe = pc87427_probe, + .remove = __devexit_p(pc87427_remove), +}; + +static int __init pc87427_device_add(unsigned short address) +{ + struct resource res = { + .start = address, + .end = address + REGION_LENGTH - 1, + .name = logdev_str[0], + .flags = IORESOURCE_IO, + }; + int err; + + pdev = platform_device_alloc(DRVNAME, address); + if (!pdev) { + err = -ENOMEM; + printk(KERN_ERR DRVNAME ": Device allocation failed\n"); + goto exit; + } + + err = platform_device_add_resources(pdev, &res, 1); + if (err) { + printk(KERN_ERR DRVNAME ": Device resource addition failed " + "(%d)\n", err); + goto exit_device_put; + } + + err = platform_device_add(pdev); + if (err) { + printk(KERN_ERR DRVNAME ": Device addition failed (%d)\n", + err); + goto exit_device_put; + } + + return 0; + +exit_device_put: + platform_device_put(pdev); +exit: + return err; +} + +static int __init pc87427_find(int sioaddr, unsigned short *address) +{ + u16 val; + int i, err = 0; + + /* Identify device */ + val = superio_inb(sioaddr, SIOREG_DEVID); + if (val != 0xf2) { /* PC87427 */ + err = -ENODEV; + goto exit; + } + + for (i = 0; i < 2; i++) { + address[i] = 0; + /* Select logical device */ + superio_outb(sioaddr, SIOREG_LDSEL, logdev[i]); + + val = superio_inb(sioaddr, SIOREG_ACT); + if (!(val & 0x01)) { + printk(KERN_INFO DRVNAME ": Logical device 0x%02x " + "not activated\n", logdev[i]); + continue; + } + + val = superio_inb(sioaddr, SIOREG_MAP); + if (val & 0x01) { + printk(KERN_WARNING DRVNAME ": Logical device 0x%02x " + "is memory-mapped, can't use\n", logdev[i]); + continue; + } + + val = (superio_inb(sioaddr, SIOREG_IOBASE) << 8) + | superio_inb(sioaddr, SIOREG_IOBASE + 1); + if (!val) { + printk(KERN_INFO DRVNAME ": I/O base address not set " + "for logical device 0x%02x\n", logdev[i]); + continue; + } + address[i] = val; + } + +exit: + superio_exit(sioaddr); + return err; +} + +static int __init pc87427_init(void) +{ + int err; + unsigned short address[2]; + + if (pc87427_find(0x2e, address) + && pc87427_find(0x4e, address)) + return -ENODEV; + + /* For now the driver only handles fans so we only care about the + first address. */ + if (!address[0]) + return -ENODEV; + + err = platform_driver_register(&pc87427_driver); + if (err) + goto exit; + + /* Sets global pdev as a side effect */ + err = pc87427_device_add(address[0]); + if (err) + goto exit_driver; + + return 0; + +exit_driver: + platform_driver_unregister(&pc87427_driver); +exit: + return err; +} + +static void __exit pc87427_exit(void) +{ + platform_device_unregister(pdev); + platform_driver_unregister(&pc87427_driver); +} + +MODULE_AUTHOR("Jean Delvare <khali@linux-fr.org>"); +MODULE_DESCRIPTION("PC87427 hardware monitoring driver"); +MODULE_LICENSE("GPL"); + +module_init(pc87427_init); +module_exit(pc87427_exit); diff --git a/drivers/hwmon/w83627ehf.c b/drivers/hwmon/w83627ehf.c index 2257806d0102b..212a1558c63b6 100644 --- a/drivers/hwmon/w83627ehf.c +++ b/drivers/hwmon/w83627ehf.c @@ -3,7 +3,7 @@ the Winbond W83627EHF Super-I/O chip Copyright (C) 2005 Jean Delvare <khali@linux-fr.org> Copyright (C) 2006 Yuan Mu (Winbond), - Rudolf Marek <r.marek@sh.cvut.cz> + Rudolf Marek <r.marek@assembler.cz> David Hubbard <david.c.hubbard@gmail.com> Shamelessly ripped from the w83627hf driver diff --git a/drivers/hwmon/w83792d.c b/drivers/hwmon/w83792d.c index 4e108262576fa..b0fa296740d18 100644 --- a/drivers/hwmon/w83792d.c +++ b/drivers/hwmon/w83792d.c @@ -3,7 +3,7 @@ monitoring Copyright (C) 2004, 2005 Winbond Electronics Corp. Chunhao Huang <DZShen@Winbond.com.tw>, - Rudolf Marek <r.marek@sh.cvut.cz> + Rudolf Marek <r.marek@assembler.cz> This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by diff --git a/drivers/hwmon/w83793.c b/drivers/hwmon/w83793.c new file mode 100644 index 0000000000000..c12ac5abc2bb4 --- /dev/null +++ b/drivers/hwmon/w83793.c @@ -0,0 +1,1609 @@ +/* + w83793.c - Linux kernel driver for hardware monitoring + Copyright (C) 2006 Winbond Electronics Corp. + Yuan Mu + Rudolf Marek <r.marek@assembler.cz> + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation - version 2. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + 02110-1301 USA. +*/ + +/* + Supports following chips: + + Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA + w83793 10 12 8 6 0x7b 0x5ca3 yes no +*/ + +#include <linux/module.h> +#include <linux/init.h> +#include <linux/slab.h> +#include <linux/i2c.h> +#include <linux/hwmon.h> +#include <linux/hwmon-vid.h> +#include <linux/hwmon-sysfs.h> +#include <linux/err.h> +#include <linux/mutex.h> + +/* Addresses to scan */ +static unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, 0x2f, I2C_CLIENT_END }; + +/* Insmod parameters */ +I2C_CLIENT_INSMOD_1(w83793); +I2C_CLIENT_MODULE_PARM(force_subclients, "List of subclient addresses: " + "{bus, clientaddr, subclientaddr1, subclientaddr2}"); + +static int reset; +module_param(reset, bool, 0); +MODULE_PARM_DESC(reset, "Set to 1 to reset chip, not recommended"); + +/* + Address 0x00, 0x0d, 0x0e, 0x0f in all three banks are reserved + as ID, Bank Select registers +*/ +#define W83793_REG_BANKSEL 0x00 +#define W83793_REG_VENDORID 0x0d +#define W83793_REG_CHIPID 0x0e +#define W83793_REG_DEVICEID 0x0f + +#define W83793_REG_CONFIG 0x40 +#define W83793_REG_MFC 0x58 +#define W83793_REG_FANIN_CTRL 0x5c +#define W83793_REG_FANIN_SEL 0x5d +#define W83793_REG_I2C_ADDR 0x0b +#define W83793_REG_I2C_SUBADDR 0x0c +#define W83793_REG_VID_INA 0x05 +#define W83793_REG_VID_INB 0x06 +#define W83793_REG_VID_LATCHA 0x07 +#define W83793_REG_VID_LATCHB 0x08 +#define W83793_REG_VID_CTRL 0x59 + +static u16 W83793_REG_TEMP_MODE[2] = { 0x5e, 0x5f }; + +#define TEMP_READ 0 +#define TEMP_CRIT 1 +#define TEMP_CRIT_HYST 2 +#define TEMP_WARN 3 +#define TEMP_WARN_HYST 4 +/* only crit and crit_hyst affect real-time alarm status + current crit crit_hyst warn warn_hyst */ +static u16 W83793_REG_TEMP[][5] = { + {0x1c, 0x78, 0x79, 0x7a, 0x7b}, + {0x1d, 0x7c, 0x7d, 0x7e, 0x7f}, + {0x1e, 0x80, 0x81, 0x82, 0x83}, + {0x1f, 0x84, 0x85, 0x86, 0x87}, + {0x20, 0x88, 0x89, 0x8a, 0x8b}, + {0x21, 0x8c, 0x8d, 0x8e, 0x8f}, +}; + +#define W83793_REG_TEMP_LOW_BITS 0x22 + +#define W83793_REG_BEEP(index) (0x53 + (index)) +#define W83793_REG_ALARM(index) (0x4b + (index)) + +#define W83793_REG_CLR_CHASSIS 0x4a /* SMI MASK4 */ +#define W83793_REG_IRQ_CTRL 0x50 +#define W83793_REG_OVT_CTRL 0x51 +#define W83793_REG_OVT_BEEP 0x52 + +#define IN_READ 0 +#define IN_MAX 1 +#define IN_LOW 2 +static const u16 W83793_REG_IN[][3] = { + /* Current, High, Low */ + {0x10, 0x60, 0x61}, /* Vcore A */ + {0x11, 0x62, 0x63}, /* Vcore B */ + {0x12, 0x64, 0x65}, /* Vtt */ + {0x14, 0x6a, 0x6b}, /* VSEN1 */ + {0x15, 0x6c, 0x6d}, /* VSEN2 */ + {0x16, 0x6e, 0x6f}, /* +3VSEN */ + {0x17, 0x70, 0x71}, /* +12VSEN */ + {0x18, 0x72, 0x73}, /* 5VDD */ + {0x19, 0x74, 0x75}, /* 5VSB */ + {0x1a, 0x76, 0x77}, /* VBAT */ +}; + +/* Low Bits of Vcore A/B Vtt Read/High/Low */ +static const u16 W83793_REG_IN_LOW_BITS[] = { 0x1b, 0x68, 0x69 }; +static u8 scale_in[] = { 2, 2, 2, 16, 16, 16, 8, 24, 24, 16 }; + +#define W83793_REG_FAN(index) (0x23 + 2 * (index)) /* High byte */ +#define W83793_REG_FAN_MIN(index) (0x90 + 2 * (index)) /* High byte */ + +#define W83793_REG_PWM_DEFAULT 0xb2 +#define W83793_REG_PWM_ENABLE 0x207 +#define W83793_REG_PWM_UPTIME 0xc3 /* Unit in 0.1 second */ +#define W83793_REG_PWM_DOWNTIME 0xc4 /* Unit in 0.1 second */ +#define W83793_REG_TEMP_CRITICAL 0xc5 + +#define PWM_DUTY 0 +#define PWM_START 1 +#define PWM_NONSTOP 2 +#define W83793_REG_PWM(index, nr) (((nr) == 0 ? 0xb3 : \ + (nr) == 1 ? 0x220 : 0x218) + (index)) + +/* bit field, fan1 is bit0, fan2 is bit1 ... */ +#define W83793_REG_TEMP_FAN_MAP(index) (0x201 + (index)) +#define W83793_REG_TEMP_TOL(index) (0x208 + (index)) +#define W83793_REG_TEMP_CRUISE(index) (0x210 + (index)) +#define W83793_REG_PWM_STOP_TIME(index) (0x228 + (index)) +#define W83793_REG_SF2_TEMP(index, nr) (0x230 + ((index) << 4) + (nr)) +#define W83793_REG_SF2_PWM(index, nr) (0x238 + ((index) << 4) + (nr)) + +static inline unsigned long FAN_FROM_REG(u16 val) +{ + if ((val >= 0xfff) || (val == 0)) + return 0; + return (1350000UL / val); +} + +static inline u16 FAN_TO_REG(long rpm) +{ + if (rpm <= 0) + return 0x0fff; + return SENSORS_LIMIT((1350000 + (rpm >> 1)) / rpm, 1, 0xffe); +} + +static inline unsigned long TIME_FROM_REG(u8 reg) +{ + return (reg * 100); +} + +static inline u8 TIME_TO_REG(unsigned long val) +{ + return SENSORS_LIMIT((val + 50) / 100, 0, 0xff); +} + +static inline long TEMP_FROM_REG(s8 reg) +{ + return (reg * 1000); +} + +static inline s8 TEMP_TO_REG(long val, s8 min, s8 max) +{ + return SENSORS_LIMIT((val + (val < 0 ? -500 : 500)) / 1000, min, max); +} + +struct w83793_data { + struct i2c_client client; + struct i2c_client *lm75[2]; + struct class_device *class_dev; + struct mutex update_lock; + char valid; /* !=0 if following fields are valid */ + unsigned long last_updated; /* In jiffies */ + unsigned long last_nonvolatile; /* In jiffies, last time we update the + nonvolatile registers */ + + u8 bank; + u8 vrm; + u8 vid[2]; + u8 in[10][3]; /* Register value, read/high/low */ + u8 in_low_bits[3]; /* Additional resolution for VCore A/B Vtt */ + + u16 has_fan; /* Only fan1- fan5 has own pins */ + u16 fan[12]; /* Register value combine */ + u16 fan_min[12]; /* Register value combine */ + + s8 temp[6][5]; /* current, crit, crit_hyst,warn, warn_hyst */ + u8 temp_low_bits; /* Additional resolution TD1-TD4 */ + u8 temp_mode[2]; /* byte 0: Temp D1-D4 mode each has 2 bits + byte 1: Temp R1,R2 mode, each has 1 bit */ + u8 temp_critical; /* If reached all fan will be at full speed */ + u8 temp_fan_map[6]; /* Temp controls which pwm fan, bit field */ + + u8 has_pwm; + u8 pwm_enable; /* Register value, each Temp has 1 bit */ + u8 pwm_uptime; /* Register value */ + u8 pwm_downtime; /* Register value */ + u8 pwm_default; /* All fan default pwm, next poweron valid */ + u8 pwm[8][3]; /* Register value */ + u8 pwm_stop_time[8]; + u8 temp_cruise[6]; + + u8 alarms[5]; /* realtime status registers */ + u8 beeps[5]; + u8 beep_enable; + u8 tolerance[3]; /* Temp tolerance(Smart Fan I/II) */ + u8 sf2_pwm[6][7]; /* Smart FanII: Fan duty cycle */ + u8 sf2_temp[6][7]; /* Smart FanII: Temp level point */ +}; + +static u8 w83793_read_value(struct i2c_client *client, u16 reg); +static int w83793_write_value(struct i2c_client *client, u16 reg, u8 value); +static int w83793_attach_adapter(struct i2c_adapter *adapter); +static int w83793_detect(struct i2c_adapter *adapter, int address, int kind); +static int w83793_detach_client(struct i2c_client *client); +static void w83793_init_client(struct i2c_client *client); +static void w83793_update_nonvolatile(struct device *dev); +static struct w83793_data *w83793_update_device(struct device *dev); + +static struct i2c_driver w83793_driver = { + .driver = { + .name = "w83793", + }, + .attach_adapter = w83793_attach_adapter, + .detach_client = w83793_detach_client, +}; + +static ssize_t +show_vrm(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct i2c_client *client = to_i2c_client(dev); + struct w83793_data *data = i2c_get_clientdata(client); + + return sprintf(buf, "%d\n", data->vrm); +} + +static ssize_t +show_vid(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct w83793_data *data = w83793_update_device(dev); + struct sensor_device_attribute_2 *sensor_attr = + to_sensor_dev_attr_2(attr); + int index = sensor_attr->index; + + return sprintf(buf, "%d\n", vid_from_reg(data->vid[index], data->vrm)); +} + +static ssize_t +store_vrm(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct i2c_client *client = to_i2c_client(dev); + struct w83793_data *data = i2c_get_clientdata(client); + + data->vrm = simple_strtoul(buf, NULL, 10); + return count; +} + +#define ALARM_STATUS 0 +#define BEEP_ENABLE 1 +static ssize_t +show_alarm_beep(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct w83793_data *data = w83793_update_device(dev); + struct sensor_device_attribute_2 *sensor_attr = + to_sensor_dev_attr_2(attr); + int nr = sensor_attr->nr; + int index = sensor_attr->index >> 3; + int bit = sensor_attr->index & 0x07; + u8 val; + + if (ALARM_STATUS == nr) { + val = (data->alarms[index] >> (bit)) & 1; + } else { /* BEEP_ENABLE */ + val = (data->beeps[index] >> (bit)) & 1; + } + + return sprintf(buf, "%u\n", val); +} + +static ssize_t +store_beep(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct i2c_client *client = to_i2c_client(dev); + struct w83793_data *data = i2c_get_clientdata(client); + struct sensor_device_attribute_2 *sensor_attr = + to_sensor_dev_attr_2(attr); + int index = sensor_attr->index >> 3; + int shift = sensor_attr->index & 0x07; + u8 beep_bit = 1 << shift; + u8 val; + + val = simple_strtoul(buf, NULL, 10); + if (val != 0 && val != 1) + return -EINVAL; + + mutex_lock(&data->update_lock); + data->beeps[index] = w83793_read_value(client, W83793_REG_BEEP(index)); + data->beeps[index] &= ~beep_bit; + data->beeps[index] |= val << shift; + w83793_write_value(client, W83793_REG_BEEP(index), data->beeps[index]); + mutex_unlock(&data->update_lock); + + return count; +} + +static ssize_t +show_beep_enable(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct w83793_data *data = w83793_update_device(dev); + return sprintf(buf, "%u\n", (data->beep_enable >> 1) & 0x01); +} + +static ssize_t +store_beep_enable(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct i2c_client *client = to_i2c_client(dev); + struct w83793_data *data = i2c_get_clientdata(client); + u8 val = simple_strtoul(buf, NULL, 10); + + if (val != 0 && val != 1) + return -EINVAL; + + mutex_lock(&data->update_lock); + data->beep_enable = w83793_read_value(client, W83793_REG_OVT_BEEP) + & 0xfd; + data->beep_enable |= val << 1; + w83793_write_value(client, W83793_REG_OVT_BEEP, data->beep_enable); + mutex_unlock(&data->update_lock); + + return count; +} + +/* Write any value to clear chassis alarm */ +static ssize_t +store_chassis_clear(struct device *dev, + struct device_attribute *attr, const char *buf, + size_t count) +{ + struct i2c_client *client = to_i2c_client(dev); + struct w83793_data *data = i2c_get_clientdata(client); + u8 val; + + mutex_lock(&data->update_lock); + val = w83793_read_value(client, W83793_REG_CLR_CHASSIS); + val |= 0x80; + w83793_write_value(client, W83793_REG_CLR_CHASSIS, val); + mutex_unlock(&data->update_lock); + return count; +} + +#define FAN_INPUT 0 +#define FAN_MIN 1 +static ssize_t +show_fan(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct sensor_device_attribute_2 *sensor_attr = + to_sensor_dev_attr_2(attr); + int nr = sensor_attr->nr; + int index = sensor_attr->index; + struct w83793_data *data = w83793_update_device(dev); + u16 val; + + if (FAN_INPUT == nr) { + val = data->fan[index] & 0x0fff; + } else { + val = data->fan_min[index] & 0x0fff; + } + + return sprintf(buf, "%lu\n", FAN_FROM_REG(val)); +} + +static ssize_t +store_fan_min(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct sensor_device_attribute_2 *sensor_attr = + to_sensor_dev_attr_2(attr); + int index = sensor_attr->index; + struct i2c_client *client = to_i2c_client(dev); + struct w83793_data *data = i2c_get_clientdata(client); + u16 val = FAN_TO_REG(simple_strtoul(buf, NULL, 10)); + + mutex_lock(&data->update_lock); + data->fan_min[index] = val; + w83793_write_value(client, W83793_REG_FAN_MIN(index), + (val >> 8) & 0xff); + w83793_write_value(client, W83793_REG_FAN_MIN(index) + 1, val & 0xff); + mutex_unlock(&data->update_lock); + + return count; +} + +#define PWM_DUTY 0 +#define PWM_START 1 +#define PWM_NONSTOP 2 +#define PWM_STOP_TIME 3 +static ssize_t +show_pwm(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct sensor_device_attribute_2 *sensor_attr = + to_sensor_dev_attr_2(attr); + struct w83793_data *data = w83793_update_device(dev); + u16 val; + int nr = sensor_attr->nr; + int index = sensor_attr->index; + + if (PWM_STOP_TIME == nr) + val = TIME_FROM_REG(data->pwm_stop_time[index]); + else + val = (data->pwm[index][nr] & 0x3f) << 2; + + return sprintf(buf, "%d\n", val); +} + +static ssize_t +store_pwm(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct i2c_client *client = to_i2c_client(dev); + struct w83793_data *data = i2c_get_clientdata(client); + struct sensor_device_attribute_2 *sensor_attr = + to_sensor_dev_attr_2(attr); + int nr = sensor_attr->nr; + int index = sensor_attr->index; + u8 val; + + mutex_lock(&data->update_lock); + if (PWM_STOP_TIME == nr) { + val = TIME_TO_REG(simple_strtoul(buf, NULL, 10)); + data->pwm_stop_time[index] = val; + w83793_write_value(client, W83793_REG_PWM_STOP_TIME(index), + val); + } else { + val = SENSORS_LIMIT(simple_strtoul(buf, NULL, 10), 0, 0xff) + >> 2; + data->pwm[index][nr] = + w83793_read_value(client, W83793_REG_PWM(index, nr)) & 0xc0; + data->pwm[index][nr] |= val; + w83793_write_value(client, W83793_REG_PWM(index, nr), + data->pwm[index][nr]); + } + + mutex_unlock(&data->update_lock); + return count; +} + +static ssize_t +show_temp(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct sensor_device_attribute_2 *sensor_attr = + to_sensor_dev_attr_2(attr); + int nr = sensor_attr->nr; + int index = sensor_attr->index; + struct w83793_data *data = w83793_update_device(dev); + long temp = TEMP_FROM_REG(data->temp[index][nr]); + + if (TEMP_READ == nr && index < 4) { /* Only TD1-TD4 have low bits */ + int low = ((data->temp_low_bits >> (index * 2)) & 0x03) * 250; + temp += temp > 0 ? low : -low; + } + return sprintf(buf, "%ld\n", temp); +} + +static ssize_t +store_temp(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct sensor_device_attribute_2 *sensor_attr = + to_sensor_dev_attr_2(attr); + int nr = sensor_attr->nr; + int index = sensor_attr->index; + struct i2c_client *client = to_i2c_client(dev); + struct w83793_data *data = i2c_get_clientdata(client); + long tmp = simple_strtol(buf, NULL, 10); + + mutex_lock(&data->update_lock); + data->temp[index][nr] = TEMP_TO_REG(tmp, -128, 127); + w83793_write_value(client, W83793_REG_TEMP[index][nr], + data->temp[index][nr]); + mutex_unlock(&data->update_lock); + return count; +} + +/* + TD1-TD4 + each has 4 mode:(2 bits) + 0: Stop monitor + 1: Use internal temp sensor(default) + 2: Use sensor in AMD CPU and get result by AMDSI + 3: Use sensor in Intel CPU and get result by PECI + + TR1-TR2 + each has 2 mode:(1 bit) + 0: Disable temp sensor monitor + 1: To enable temp sensors monitor +*/ + +/* 0 disable, 5 AMDSI, 6 PECI */ +static u8 TO_TEMP_MODE[] = { 0, 0, 5, 6 }; + +static ssize_t +show_temp_mode(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct w83793_data *data = w83793_update_device(dev); + struct sensor_device_attribute_2 *sensor_attr = + to_sensor_dev_attr_2(attr); + int index = sensor_attr->index; + u8 mask = (index < 4) ? 0x03 : 0x01; + u8 shift = (index < 4) ? (2 * index) : (index - 4); + u8 tmp; + index = (index < 4) ? 0 : 1; + + tmp = (data->temp_mode[index] >> shift) & mask; + + /* for the internal sensor, found out if diode or thermistor */ + if (tmp == 1) { + tmp = index == 0 ? 3 : 4; + } else { + tmp = TO_TEMP_MODE[tmp]; + } + + return sprintf(buf, "%d\n", tmp); +} + +static ssize_t +store_temp_mode(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct i2c_client *client = to_i2c_client(dev); + struct w83793_data *data = i2c_get_clientdata(client); + struct sensor_device_attribute_2 *sensor_attr = + to_sensor_dev_attr_2(attr); + int index = sensor_attr->index; + u8 mask = (index < 4) ? 0x03 : 0x01; + u8 shift = (index < 4) ? (2 * index) : (index - 4); + u8 val = simple_strtoul(buf, NULL, 10); + + /* transform the sysfs interface values into table above */ + if ((val == 5 || val == 6) && (index < 4)) { + val -= 3; + } else if ((val == 3 && index < 4) + || (val == 4 && index >= 4) + || val == 0) { + /* transform diode or thermistor into internal enable */ + val = !!val; + } else { + return -EINVAL; + } + + index = (index < 4) ? 0 : 1; + mutex_lock(&data->update_lock); + data->temp_mode[index] = + w83793_read_value(client, W83793_REG_TEMP_MODE[index]); + data->temp_mode[index] &= ~(mask << shift); + data->temp_mode[index] |= val << shift; + w83793_write_value(client, W83793_REG_TEMP_MODE[index], + data->temp_mode[index]); + mutex_unlock(&data->update_lock); + + return count; +} + +#define SETUP_PWM_DEFAULT 0 +#define SETUP_PWM_UPTIME 1 /* Unit in 0.1s */ +#define SETUP_PWM_DOWNTIME 2 /* Unit in 0.1s */ +#define SETUP_TEMP_CRITICAL 3 +static ssize_t +show_sf_setup(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct sensor_device_attribute_2 *sensor_attr = + to_sensor_dev_attr_2(attr); + int nr = sensor_attr->nr; + struct w83793_data *data = w83793_update_device(dev); + u32 val = 0; + + if (SETUP_PWM_DEFAULT == nr) { + val = (data->pwm_default & 0x3f) << 2; + } else if (SETUP_PWM_UPTIME == nr) { + val = TIME_FROM_REG(data->pwm_uptime); + } else if (SETUP_PWM_DOWNTIME == nr) { + val = TIME_FROM_REG(data->pwm_downtime); + } else if (SETUP_TEMP_CRITICAL == nr) { + val = TEMP_FROM_REG(data->temp_critical & 0x7f); + } + + return sprintf(buf, "%d\n", val); +} + +static ssize_t +store_sf_setup(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct sensor_device_attribute_2 *sensor_attr = + to_sensor_dev_attr_2(attr); + int nr = sensor_attr->nr; + struct i2c_client *client = to_i2c_client(dev); + struct w83793_data *data = i2c_get_clientdata(client); + + mutex_lock(&data->update_lock); + if (SETUP_PWM_DEFAULT == nr) { + data->pwm_default = + w83793_read_value(client, W83793_REG_PWM_DEFAULT) & 0xc0; + data->pwm_default |= SENSORS_LIMIT(simple_strtoul(buf, NULL, + 10), + 0, 0xff) >> 2; + w83793_write_value(client, W83793_REG_PWM_DEFAULT, + data->pwm_default); + } else if (SETUP_PWM_UPTIME == nr) { + data->pwm_uptime = TIME_TO_REG(simple_strtoul(buf, NULL, 10)); + data->pwm_uptime += data->pwm_uptime == 0 ? 1 : 0; + w83793_write_value(client, W83793_REG_PWM_UPTIME, + data->pwm_uptime); + } else if (SETUP_PWM_DOWNTIME == nr) { + data->pwm_downtime = TIME_TO_REG(simple_strtoul(buf, NULL, 10)); + data->pwm_downtime += data->pwm_downtime == 0 ? 1 : 0; + w83793_write_value(client, W83793_REG_PWM_DOWNTIME, + data->pwm_downtime); + } else { /* SETUP_TEMP_CRITICAL */ + data->temp_critical = + w83793_read_value(client, W83793_REG_TEMP_CRITICAL) & 0x80; + data->temp_critical |= TEMP_TO_REG(simple_strtol(buf, NULL, 10), + 0, 0x7f); + w83793_write_value(client, W83793_REG_TEMP_CRITICAL, + data->temp_critical); + } + + mutex_unlock(&data->update_lock); + return count; +} + +/* + Temp SmartFan control + TEMP_FAN_MAP + Temp channel control which pwm fan, bitfield, bit 0 indicate pwm1... + It's possible two or more temp channels control the same fan, w83793 + always prefers to pick the most critical request and applies it to + the related Fan. + It's possible one fan is not in any mapping of 6 temp channels, this + means the fan is manual mode + + TEMP_PWM_ENABLE + Each temp channel has its own SmartFan mode, and temp channel + control fans that are set by TEMP_FAN_MAP + 0: SmartFanII mode + 1: Thermal Cruise Mode + + TEMP_CRUISE + Target temperature in thermal cruise mode, w83793 will try to turn + fan speed to keep the temperature of target device around this + temperature. + + TEMP_TOLERANCE + If Temp higher or lower than target with this tolerance, w83793 + will take actions to speed up or slow down the fan to keep the + temperature within the tolerance range. +*/ + +#define TEMP_FAN_MAP 0 +#define TEMP_PWM_ENABLE 1 +#define TEMP_CRUISE 2 +#define TEMP_TOLERANCE 3 +static ssize_t +show_sf_ctrl(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct sensor_device_attribute_2 *sensor_attr = + to_sensor_dev_attr_2(attr); + int nr = sensor_attr->nr; + int index = sensor_attr->index; + struct w83793_data *data = w83793_update_device(dev); + u32 val; + + if (TEMP_FAN_MAP == nr) { + val = data->temp_fan_map[index]; + } else if (TEMP_PWM_ENABLE == nr) { + /* +2 to transfrom into 2 and 3 to conform with sysfs intf */ + val = ((data->pwm_enable >> index) & 0x01) + 2; + } else if (TEMP_CRUISE == nr) { + val = TEMP_FROM_REG(data->temp_cruise[index] & 0x7f); + } else { /* TEMP_TOLERANCE */ + val = data->tolerance[index >> 1] >> ((index & 0x01) ? 4 : 0); + val = TEMP_FROM_REG(val & 0x0f); + } + return sprintf(buf, "%d\n", val); +} + +static ssize_t +store_sf_ctrl(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct sensor_device_attribute_2 *sensor_attr = + to_sensor_dev_attr_2(attr); + int nr = sensor_attr->nr; + int index = sensor_attr->index; + struct i2c_client *client = to_i2c_client(dev); + struct w83793_data *data = i2c_get_clientdata(client); + u32 val; + + mutex_lock(&data->update_lock); + if (TEMP_FAN_MAP == nr) { + val = simple_strtoul(buf, NULL, 10) & 0xff; + w83793_write_value(client, W83793_REG_TEMP_FAN_MAP(index), val); + data->temp_fan_map[index] = val; + } else if (TEMP_PWM_ENABLE == nr) { + val = simple_strtoul(buf, NULL, 10); + if (2 == val || 3 == val) { + data->pwm_enable = + w83793_read_value(client, W83793_REG_PWM_ENABLE); + if (val - 2) + data->pwm_enable |= 1 << index; + else + data->pwm_enable &= ~(1 << index); + w83793_write_value(client, W83793_REG_PWM_ENABLE, + data->pwm_enable); + } else { + mutex_unlock(&data->update_lock); + return -EINVAL; + } + } else if (TEMP_CRUISE == nr) { + data->temp_cruise[index] = + w83793_read_value(client, W83793_REG_TEMP_CRUISE(index)); + val = TEMP_TO_REG(simple_strtol(buf, NULL, 10), 0, 0x7f); + data->temp_cruise[index] &= 0x80; + data->temp_cruise[index] |= val; + + w83793_write_value(client, W83793_REG_TEMP_CRUISE(index), + data->temp_cruise[index]); + } else { /* TEMP_TOLERANCE */ + int i = index >> 1; + u8 shift = (index & 0x01) ? 4 : 0; + data->tolerance[i] = + w83793_read_value(client, W83793_REG_TEMP_TOL(i)); + + val = TEMP_TO_REG(simple_strtol(buf, NULL, 10), 0, 0x0f); + data->tolerance[i] &= ~(0x0f << shift); + data->tolerance[i] |= val << shift; + w83793_write_value(client, W83793_REG_TEMP_TOL(i), + data->tolerance[i]); + } + + mutex_unlock(&data->update_lock); + return count; +} + +static ssize_t +show_sf2_pwm(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct sensor_device_attribute_2 *sensor_attr = + to_sensor_dev_attr_2(attr); + int nr = sensor_attr->nr; + int index = sensor_attr->index; + struct w83793_data *data = w83793_update_device(dev); + + return sprintf(buf, "%d\n", (data->sf2_pwm[index][nr] & 0x3f) << 2); +} + +static ssize_t +store_sf2_pwm(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct i2c_client *client = to_i2c_client(dev); + struct w83793_data *data = i2c_get_clientdata(client); + struct sensor_device_attribute_2 *sensor_attr = + to_sensor_dev_attr_2(attr); + int nr = sensor_attr->nr; + int index = sensor_attr->index; + u8 val = SENSORS_LIMIT(simple_strtoul(buf, NULL, 10), 0, 0xff) >> 2; + + mutex_lock(&data->update_lock); + data->sf2_pwm[index][nr] = + w83793_read_value(client, W83793_REG_SF2_PWM(index, nr)) & 0xc0; + data->sf2_pwm[index][nr] |= val; + w83793_write_value(client, W83793_REG_SF2_PWM(index, nr), + data->sf2_pwm[index][nr]); + mutex_unlock(&data->update_lock); + return count; +} + +static ssize_t +show_sf2_temp(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct sensor_device_attribute_2 *sensor_attr = + to_sensor_dev_attr_2(attr); + int nr = sensor_attr->nr; + int index = sensor_attr->index; + struct w83793_data *data = w83793_update_device(dev); + + return sprintf(buf, "%ld\n", + TEMP_FROM_REG(data->sf2_temp[index][nr] & 0x7f)); +} + +static ssize_t +store_sf2_temp(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct i2c_client *client = to_i2c_client(dev); + struct w83793_data *data = i2c_get_clientdata(client); + struct sensor_device_attribute_2 *sensor_attr = + to_sensor_dev_attr_2(attr); + int nr = sensor_attr->nr; + int index = sensor_attr->index; + u8 val = TEMP_TO_REG(simple_strtol(buf, NULL, 10), 0, 0x7f); + + mutex_lock(&data->update_lock); + data->sf2_temp[index][nr] = + w83793_read_value(client, W83793_REG_SF2_TEMP(index, nr)) & 0x80; + data->sf2_temp[index][nr] |= val; + w83793_write_value(client, W83793_REG_SF2_TEMP(index, nr), + data->sf2_temp[index][nr]); + mutex_unlock(&data->update_lock); + return count; +} + +/* only Vcore A/B and Vtt have additional 2 bits precision */ +static ssize_t +show_in(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct sensor_device_attribute_2 *sensor_attr = + to_sensor_dev_attr_2(attr); + int nr = sensor_attr->nr; + int index = sensor_attr->index; + struct w83793_data *data = w83793_update_device(dev); + u16 val = data->in[index][nr]; + + if (index < 3) { + val <<= 2; + val += (data->in_low_bits[nr] >> (index * 2)) & 0x3; + } + return sprintf(buf, "%d\n", val * scale_in[index]); +} + +static ssize_t +store_in(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct sensor_device_attribute_2 *sensor_attr = + to_sensor_dev_attr_2(attr); + int nr = sensor_attr->nr; + int index = sensor_attr->index; + struct i2c_client *client = to_i2c_client(dev); + struct w83793_data *data = i2c_get_clientdata(client); + u32 val; + + val = + (simple_strtoul(buf, NULL, 10) + + scale_in[index] / 2) / scale_in[index]; + mutex_lock(&data->update_lock); + if (index > 2) { + val = SENSORS_LIMIT(val, 0, 255); + } else { + val = SENSORS_LIMIT(val, 0, 0x3FF); + data->in_low_bits[nr] = + w83793_read_value(client, W83793_REG_IN_LOW_BITS[nr]); + data->in_low_bits[nr] &= ~(0x03 << (2 * index)); + data->in_low_bits[nr] |= (val & 0x03) << (2 * index); + w83793_write_value(client, W83793_REG_IN_LOW_BITS[nr], + data->in_low_bits[nr]); + val >>= 2; + } + data->in[index][nr] = val; + w83793_write_value(client, W83793_REG_IN[index][nr], + data->in[index][nr]); + mutex_unlock(&data->update_lock); + return count; +} + +#define NOT_USED -1 + +#define SENSOR_ATTR_IN(index) \ + SENSOR_ATTR_2(in##index##_input, S_IRUGO, show_in, NULL, \ + IN_READ, index), \ + SENSOR_ATTR_2(in##index##_max, S_IRUGO | S_IWUSR, show_in, \ + store_in, IN_MAX, index), \ + SENSOR_ATTR_2(in##index##_min, S_IRUGO | S_IWUSR, show_in, \ + store_in, IN_LOW, index), \ + SENSOR_ATTR_2(in##index##_alarm, S_IRUGO, show_alarm_beep, \ + NULL, ALARM_STATUS, index + ((index > 2) ? 1 : 0)), \ + SENSOR_ATTR_2(in##index##_beep, S_IWUSR | S_IRUGO, \ + show_alarm_beep, store_beep, BEEP_ENABLE, \ + index + ((index > 2) ? 1 : 0)) + +#define SENSOR_ATTR_FAN(index) \ + SENSOR_ATTR_2(fan##index##_alarm, S_IRUGO, show_alarm_beep, \ + NULL, ALARM_STATUS, index + 17), \ + SENSOR_ATTR_2(fan##index##_beep, S_IWUSR | S_IRUGO, \ + show_alarm_beep, store_beep, BEEP_ENABLE, index + 17), \ + SENSOR_ATTR_2(fan##index##_input, S_IRUGO, show_fan, \ + NULL, FAN_INPUT, index - 1), \ + SENSOR_ATTR_2(fan##index##_min, S_IWUSR | S_IRUGO, \ + show_fan, store_fan_min, FAN_MIN, index - 1) + +#define SENSOR_ATTR_PWM(index) \ + SENSOR_ATTR_2(pwm##index, S_IWUSR | S_IRUGO, show_pwm, \ + store_pwm, PWM_DUTY, index - 1), \ + SENSOR_ATTR_2(pwm##index##_nonstop, S_IWUSR | S_IRUGO, \ + show_pwm, store_pwm, PWM_NONSTOP, index - 1), \ + SENSOR_ATTR_2(pwm##index##_start, S_IWUSR | S_IRUGO, \ + show_pwm, store_pwm, PWM_START, index - 1), \ + SENSOR_ATTR_2(pwm##index##_stop_time, S_IWUSR | S_IRUGO, \ + show_pwm, store_pwm, PWM_STOP_TIME, index - 1) + +#define SENSOR_ATTR_TEMP(index) \ + SENSOR_ATTR_2(temp##index##_type, S_IRUGO | S_IWUSR, \ + show_temp_mode, store_temp_mode, NOT_USED, index - 1), \ + SENSOR_ATTR_2(temp##index##_input, S_IRUGO, show_temp, \ + NULL, TEMP_READ, index - 1), \ + SENSOR_ATTR_2(temp##index##_max, S_IRUGO | S_IWUSR, show_temp, \ + store_temp, TEMP_CRIT, index - 1), \ + SENSOR_ATTR_2(temp##index##_max_hyst, S_IRUGO | S_IWUSR, \ + show_temp, store_temp, TEMP_CRIT_HYST, index - 1), \ + SENSOR_ATTR_2(temp##index##_warn, S_IRUGO | S_IWUSR, show_temp, \ + store_temp, TEMP_WARN, index - 1), \ + SENSOR_ATTR_2(temp##index##_warn_hyst, S_IRUGO | S_IWUSR, \ + show_temp, store_temp, TEMP_WARN_HYST, index - 1), \ + SENSOR_ATTR_2(temp##index##_alarm, S_IRUGO, \ + show_alarm_beep, NULL, ALARM_STATUS, index + 11), \ + SENSOR_ATTR_2(temp##index##_beep, S_IWUSR | S_IRUGO, \ + show_alarm_beep, store_beep, BEEP_ENABLE, index + 11), \ + SENSOR_ATTR_2(temp##index##_auto_channels_pwm, \ + S_IRUGO | S_IWUSR, show_sf_ctrl, store_sf_ctrl, \ + TEMP_FAN_MAP, index - 1), \ + SENSOR_ATTR_2(temp##index##_pwm_enable, S_IWUSR | S_IRUGO, \ + show_sf_ctrl, store_sf_ctrl, TEMP_PWM_ENABLE, \ + index - 1), \ + SENSOR_ATTR_2(thermal_cruise##index, S_IRUGO | S_IWUSR, \ + show_sf_ctrl, store_sf_ctrl, TEMP_CRUISE, index - 1), \ + SENSOR_ATTR_2(tolerance##index, S_IRUGO | S_IWUSR, show_sf_ctrl,\ + store_sf_ctrl, TEMP_TOLERANCE, index - 1), \ + SENSOR_ATTR_2(temp##index##_auto_point1_pwm, S_IRUGO | S_IWUSR, \ + show_sf2_pwm, store_sf2_pwm, 0, index - 1), \ + SENSOR_ATTR_2(temp##index##_auto_point2_pwm, S_IRUGO | S_IWUSR, \ + show_sf2_pwm, store_sf2_pwm, 1, index - 1), \ + SENSOR_ATTR_2(temp##index##_auto_point3_pwm, S_IRUGO | S_IWUSR, \ + show_sf2_pwm, store_sf2_pwm, 2, index - 1), \ + SENSOR_ATTR_2(temp##index##_auto_point4_pwm, S_IRUGO | S_IWUSR, \ + show_sf2_pwm, store_sf2_pwm, 3, index - 1), \ + SENSOR_ATTR_2(temp##index##_auto_point5_pwm, S_IRUGO | S_IWUSR, \ + show_sf2_pwm, store_sf2_pwm, 4, index - 1), \ + SENSOR_ATTR_2(temp##index##_auto_point6_pwm, S_IRUGO | S_IWUSR, \ + show_sf2_pwm, store_sf2_pwm, 5, index - 1), \ + SENSOR_ATTR_2(temp##index##_auto_point7_pwm, S_IRUGO | S_IWUSR, \ + show_sf2_pwm, store_sf2_pwm, 6, index - 1), \ + SENSOR_ATTR_2(temp##index##_auto_point1_temp, S_IRUGO | S_IWUSR,\ + show_sf2_temp, store_sf2_temp, 0, index - 1), \ + SENSOR_ATTR_2(temp##index##_auto_point2_temp, S_IRUGO | S_IWUSR,\ + show_sf2_temp, store_sf2_temp, 1, index - 1), \ + SENSOR_ATTR_2(temp##index##_auto_point3_temp, S_IRUGO | S_IWUSR,\ + show_sf2_temp, store_sf2_temp, 2, index - 1), \ + SENSOR_ATTR_2(temp##index##_auto_point4_temp, S_IRUGO | S_IWUSR,\ + show_sf2_temp, store_sf2_temp, 3, index - 1), \ + SENSOR_ATTR_2(temp##index##_auto_point5_temp, S_IRUGO | S_IWUSR,\ + show_sf2_temp, store_sf2_temp, 4, index - 1), \ + SENSOR_ATTR_2(temp##index##_auto_point6_temp, S_IRUGO | S_IWUSR,\ + show_sf2_temp, store_sf2_temp, 5, index - 1), \ + SENSOR_ATTR_2(temp##index##_auto_point7_temp, S_IRUGO | S_IWUSR,\ + show_sf2_temp, store_sf2_temp, 6, index - 1) + +static struct sensor_device_attribute_2 w83793_sensor_attr_2[] = { + SENSOR_ATTR_IN(0), + SENSOR_ATTR_IN(1), + SENSOR_ATTR_IN(2), + SENSOR_ATTR_IN(3), + SENSOR_ATTR_IN(4), + SENSOR_ATTR_IN(5), + SENSOR_ATTR_IN(6), + SENSOR_ATTR_IN(7), + SENSOR_ATTR_IN(8), + SENSOR_ATTR_IN(9), + SENSOR_ATTR_TEMP(1), + SENSOR_ATTR_TEMP(2), + SENSOR_ATTR_TEMP(3), + SENSOR_ATTR_TEMP(4), + SENSOR_ATTR_TEMP(5), + SENSOR_ATTR_TEMP(6), + SENSOR_ATTR_FAN(1), + SENSOR_ATTR_FAN(2), + SENSOR_ATTR_FAN(3), + SENSOR_ATTR_FAN(4), + SENSOR_ATTR_FAN(5), + SENSOR_ATTR_PWM(1), + SENSOR_ATTR_PWM(2), + SENSOR_ATTR_PWM(3), +}; + +/* Fan6-Fan12 */ +static struct sensor_device_attribute_2 w83793_left_fan[] = { + SENSOR_ATTR_FAN(6), + SENSOR_ATTR_FAN(7), + SENSOR_ATTR_FAN(8), + SENSOR_ATTR_FAN(9), + SENSOR_ATTR_FAN(10), + SENSOR_ATTR_FAN(11), + SENSOR_ATTR_FAN(12), +}; + +/* Pwm4-Pwm8 */ +static struct sensor_device_attribute_2 w83793_left_pwm[] = { + SENSOR_ATTR_PWM(4), + SENSOR_ATTR_PWM(5), + SENSOR_ATTR_PWM(6), + SENSOR_ATTR_PWM(7), + SENSOR_ATTR_PWM(8), +}; + +static struct sensor_device_attribute_2 sda_single_files[] = { + SENSOR_ATTR_2(cpu0_vid, S_IRUGO, show_vid, NULL, NOT_USED, 0), + SENSOR_ATTR_2(cpu1_vid, S_IRUGO, show_vid, NULL, NOT_USED, 1), + SENSOR_ATTR_2(vrm, S_IWUSR | S_IRUGO, show_vrm, store_vrm, + NOT_USED, NOT_USED), + SENSOR_ATTR_2(chassis, S_IWUSR | S_IRUGO, show_alarm_beep, + store_chassis_clear, ALARM_STATUS, 30), + SENSOR_ATTR_2(beep_enable, S_IWUSR | S_IRUGO, show_beep_enable, + store_beep_enable, NOT_USED, NOT_USED), + SENSOR_ATTR_2(pwm_default, S_IWUSR | S_IRUGO, show_sf_setup, + store_sf_setup, SETUP_PWM_DEFAULT, NOT_USED), + SENSOR_ATTR_2(pwm_uptime, S_IWUSR | S_IRUGO, show_sf_setup, + store_sf_setup, SETUP_PWM_UPTIME, NOT_USED), + SENSOR_ATTR_2(pwm_downtime, S_IWUSR | S_IRUGO, show_sf_setup, + store_sf_setup, SETUP_PWM_DOWNTIME, NOT_USED), + SENSOR_ATTR_2(temp_critical, S_IWUSR | S_IRUGO, show_sf_setup, + store_sf_setup, SETUP_TEMP_CRITICAL, NOT_USED), +}; + +static void w83793_init_client(struct i2c_client *client) +{ + if (reset) { + w83793_write_value(client, W83793_REG_CONFIG, 0x80); + } + + /* Start monitoring */ + w83793_write_value(client, W83793_REG_CONFIG, + w83793_read_value(client, W83793_REG_CONFIG) | 0x01); + +} + +static int w83793_attach_adapter(struct i2c_adapter *adapter) +{ + if (!(adapter->class & I2C_CLASS_HWMON)) + return 0; + return i2c_probe(adapter, &addr_data, w83793_detect); +} + +static int w83793_detach_client(struct i2c_client *client) +{ + struct w83793_data *data = i2c_get_clientdata(client); + struct device *dev = &client->dev; + int err, i; + + /* main client */ + if (data) { + hwmon_device_unregister(data->class_dev); + + for (i = 0; i < ARRAY_SIZE(w83793_sensor_attr_2); i++) + device_remove_file(dev, + &w83793_sensor_attr_2[i].dev_attr); + + for (i = 0; i < ARRAY_SIZE(sda_single_files); i++) + device_remove_file(dev, &sda_single_files[i].dev_attr); + + for (i = 0; i < ARRAY_SIZE(w83793_left_fan); i++) + device_remove_file(dev, &w83793_left_fan[i].dev_attr); + + for (i = 0; i < ARRAY_SIZE(w83793_left_pwm); i++) + device_remove_file(dev, &w83793_left_pwm[i].dev_attr); + } + + if ((err = i2c_detach_client(client))) + return err; + + /* main client */ + if (data) + kfree(data); + /* subclient */ + else + kfree(client); + + return 0; +} + +static int +w83793_create_subclient(struct i2c_adapter *adapter, + struct i2c_client *client, int addr, + struct i2c_client **sub_cli) +{ + int err = 0; + struct i2c_client *sub_client; + + (*sub_cli) = sub_client = + kzalloc(sizeof(struct i2c_client), GFP_KERNEL); + if (!(sub_client)) { + return -ENOMEM; + } + sub_client->addr = 0x48 + addr; + i2c_set_clientdata(sub_client, NULL); + sub_client->adapter = adapter; + sub_client->driver = &w83793_driver; + strlcpy(sub_client->name, "w83793 subclient", I2C_NAME_SIZE); + if ((err = i2c_attach_client(sub_client))) { + dev_err(&client->dev, "subclient registration " + "at address 0x%x failed\n", sub_client->addr); + kfree(sub_client); + } + return err; +} + +static int +w83793_detect_subclients(struct i2c_adapter *adapter, int address, + int kind, struct i2c_client *client) +{ + int i, id, err; + u8 tmp; + struct w83793_data *data = i2c_get_clientdata(client); + + id = i2c_adapter_id(adapter); + if (force_subclients[0] == id && force_subclients[1] == address) { + for (i = 2; i <= 3; i++) { + if (force_subclients[i] < 0x48 + || force_subclients[i] > 0x4f) { + dev_err(&client->dev, + "invalid subclient " + "address %d; must be 0x48-0x4f\n", + force_subclients[i]); + err = -EINVAL; + goto ERROR_SC_0; + } + } + w83793_write_value(client, W83793_REG_I2C_SUBADDR, + (force_subclients[2] & 0x07) | + ((force_subclients[3] & 0x07) << 4)); + } + + tmp = w83793_read_value(client, W83793_REG_I2C_SUBADDR); + if (!(tmp & 0x08)) { + err = + w83793_create_subclient(adapter, client, tmp & 0x7, + &data->lm75[0]); + if (err < 0) + goto ERROR_SC_0; + } + if (!(tmp & 0x80)) { + if ((data->lm75[0] != NULL) + && ((tmp & 0x7) == ((tmp >> 4) & 0x7))) { + dev_err(&client->dev, + "duplicate addresses 0x%x, " + "use force_subclients\n", data->lm75[0]->addr); + err = -ENODEV; + goto ERROR_SC_1; + } + err = w83793_create_subclient(adapter, client, + (tmp >> 4) & 0x7, &data->lm75[1]); + if (err < 0) + goto ERROR_SC_1; + } + + return 0; + + /* Undo inits in case of errors */ + +ERROR_SC_1: + if (data->lm75[0] != NULL) { + i2c_detach_client(data->lm75[0]); + kfree(data->lm75[0]); + } +ERROR_SC_0: + return err; +} + +static int w83793_detect(struct i2c_adapter *adapter, int address, int kind) +{ + int i; + u8 tmp, val; + struct i2c_client *client; + struct device *dev; + struct w83793_data *data; + int files_fan = ARRAY_SIZE(w83793_left_fan) / 7; + int files_pwm = ARRAY_SIZE(w83793_left_pwm) / 5; + int err = 0; + + if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) { + goto exit; + } + + /* OK. For now, we presume we have a valid client. We now create the + client structure, even though we cannot fill it completely yet. + But it allows us to access w83793_{read,write}_value. */ + + if (!(data = kzalloc(sizeof(struct w83793_data), GFP_KERNEL))) { + err = -ENOMEM; + goto exit; + } + + client = &data->client; + dev = &client->dev; + i2c_set_clientdata(client, data); + client->addr = address; + client->adapter = adapter; + client->driver = &w83793_driver; + + data->bank = i2c_smbus_read_byte_data(client, W83793_REG_BANKSEL); + + /* Now, we do the remaining detection. */ + if (kind < 0) { + tmp = data->bank & 0x80 ? 0x5c : 0xa3; + /* Check Winbond vendor ID */ + if (tmp != i2c_smbus_read_byte_data(client, + W83793_REG_VENDORID)) { + pr_debug("w83793: Detection failed at check " + "vendor id\n"); + err = -ENODEV; + goto free_mem; + } + + /* If Winbond chip, address of chip and W83793_REG_I2C_ADDR + should match */ + if ((data->bank & 0x07) == 0 + && i2c_smbus_read_byte_data(client, W83793_REG_I2C_ADDR) != + (address << 1)) { + pr_debug("w83793: Detection failed at check " + "i2c addr\n"); + err = -ENODEV; + goto free_mem; + } + + } + + /* We have either had a force parameter, or we have already detected the + Winbond. Determine the chip type now */ + + if (kind <= 0) { + if (0x7b == w83793_read_value(client, W83793_REG_CHIPID)) { + kind = w83793; + } else { + if (kind == 0) + dev_warn(&adapter->dev, "w83793: Ignoring " + "'force' parameter for unknown chip " + "at address 0x%02x\n", address); + err = -ENODEV; + goto free_mem; + } + } + + /* Fill in the remaining client fields and put into the global list */ + strlcpy(client->name, "w83793", I2C_NAME_SIZE); + + mutex_init(&data->update_lock); + + /* Tell the I2C layer a new client has arrived */ + if ((err = i2c_attach_client(client))) + goto free_mem; + + if ((err = w83793_detect_subclients(adapter, address, kind, client))) + goto detach_client; + + /* Initialize the chip */ + w83793_init_client(client); + + data->vrm = vid_which_vrm(); + /* + Only fan 1-5 has their own input pins, + Pwm 1-3 has their own pins + */ + data->has_fan = 0x1f; + data->has_pwm = 0x07; + tmp = w83793_read_value(client, W83793_REG_MFC); + val = w83793_read_value(client, W83793_REG_FANIN_CTRL); + + /* check the function of pins 49-56 */ + if (!(tmp & 0x80)) { + data->has_pwm |= 0x18; /* pwm 4,5 */ + if (val & 0x01) { /* fan 6 */ + data->has_fan |= 0x20; + data->has_pwm |= 0x20; + } + if (val & 0x02) { /* fan 7 */ + data->has_fan |= 0x40; + data->has_pwm |= 0x40; + } + if (!(tmp & 0x40) && (val & 0x04)) { /* fan 8 */ + data->has_fan |= 0x80; + data->has_pwm |= 0x80; + } + } + + if (0x08 == (tmp & 0x0c)) { + if (val & 0x08) /* fan 9 */ + data->has_fan |= 0x100; + if (val & 0x10) /* fan 10 */ + data->has_fan |= 0x200; + } + + if (0x20 == (tmp & 0x30)) { + if (val & 0x20) /* fan 11 */ + data->has_fan |= 0x400; + if (val & 0x40) /* fan 12 */ + data->has_fan |= 0x800; + } + + if ((tmp & 0x01) && (val & 0x04)) { /* fan 8, second location */ + data->has_fan |= 0x80; + data->has_pwm |= 0x80; + } + + /* Register sysfs hooks */ + for (i = 0; i < ARRAY_SIZE(w83793_sensor_attr_2); i++) { + err = device_create_file(dev, + &w83793_sensor_attr_2[i].dev_attr); + if (err) + goto exit_remove; + } + + for (i = 0; i < ARRAY_SIZE(sda_single_files); i++) { + err = device_create_file(dev, &sda_single_files[i].dev_attr); + if (err) + goto exit_remove; + + } + + for (i = 5; i < 12; i++) { + int j; + if (!(data->has_fan & (1 << i))) + continue; + for (j = 0; j < files_fan; j++) { + err = device_create_file(dev, + &w83793_left_fan[(i - 5) * files_fan + + j].dev_attr); + if (err) + goto exit_remove; + } + } + + for (i = 3; i < 8; i++) { + int j; + if (!(data->has_pwm & (1 << i))) + continue; + for (j = 0; j < files_pwm; j++) { + err = device_create_file(dev, + &w83793_left_pwm[(i - 3) * files_pwm + + j].dev_attr); + if (err) + goto exit_remove; + } + } + + data->class_dev = hwmon_device_register(dev); + if (IS_ERR(data->class_dev)) { + err = PTR_ERR(data->class_dev); + goto exit_remove; + } + + return 0; + + /* Unregister sysfs hooks */ + +exit_remove: + for (i = 0; i < ARRAY_SIZE(w83793_sensor_attr_2); i++) + device_remove_file(dev, &w83793_sensor_attr_2[i].dev_attr); + + for (i = 0; i < ARRAY_SIZE(sda_single_files); i++) + device_remove_file(dev, &sda_single_files[i].dev_attr); + + for (i = 0; i < ARRAY_SIZE(w83793_left_fan); i++) + device_remove_file(dev, &w83793_left_fan[i].dev_attr); + + for (i = 0; i < ARRAY_SIZE(w83793_left_pwm); i++) + device_remove_file(dev, &w83793_left_pwm[i].dev_attr); + + if (data->lm75[0] != NULL) { + i2c_detach_client(data->lm75[0]); + kfree(data->lm75[0]); + } + if (data->lm75[1] != NULL) { + i2c_detach_client(data->lm75[1]); + kfree(data->lm75[1]); + } +detach_client: + i2c_detach_client(client); +free_mem: + kfree(data); +exit: + return err; +} + +static void w83793_update_nonvolatile(struct device *dev) +{ + struct i2c_client *client = to_i2c_client(dev); + struct w83793_data *data = i2c_get_clientdata(client); + int i, j; + /* + They are somewhat "stable" registers, and to update them everytime + takes so much time, it's just not worthy. Update them in a long + interval to avoid exception. + */ + if (!(time_after(jiffies, data->last_nonvolatile + HZ * 300) + || !data->valid)) + return; + /* update voltage limits */ + for (i = 1; i < 3; i++) { + for (j = 0; j < ARRAY_SIZE(data->in); j++) { + data->in[j][i] = + w83793_read_value(client, W83793_REG_IN[j][i]); + } + data->in_low_bits[i] = + w83793_read_value(client, W83793_REG_IN_LOW_BITS[i]); + } + + for (i = 0; i < ARRAY_SIZE(data->fan_min); i++) { + /* Update the Fan measured value and limits */ + if (!(data->has_fan & (1 << i))) { + continue; + } + data->fan_min[i] = + w83793_read_value(client, W83793_REG_FAN_MIN(i)) << 8; + data->fan_min[i] |= + w83793_read_value(client, W83793_REG_FAN_MIN(i) + 1); + } + + for (i = 0; i < ARRAY_SIZE(data->temp_fan_map); i++) { + data->temp_fan_map[i] = + w83793_read_value(client, W83793_REG_TEMP_FAN_MAP(i)); + for (j = 1; j < 5; j++) { + data->temp[i][j] = + w83793_read_value(client, W83793_REG_TEMP[i][j]); + } + data->temp_cruise[i] = + w83793_read_value(client, W83793_REG_TEMP_CRUISE(i)); + for (j = 0; j < 7; j++) { + data->sf2_pwm[i][j] = + w83793_read_value(client, W83793_REG_SF2_PWM(i, j)); + data->sf2_temp[i][j] = + w83793_read_value(client, + W83793_REG_SF2_TEMP(i, j)); + } + } + + for (i = 0; i < ARRAY_SIZE(data->temp_mode); i++) + data->temp_mode[i] = + w83793_read_value(client, W83793_REG_TEMP_MODE[i]); + + for (i = 0; i < ARRAY_SIZE(data->tolerance); i++) { + data->tolerance[i] = + w83793_read_value(client, W83793_REG_TEMP_TOL(i)); + } + + for (i = 0; i < ARRAY_SIZE(data->pwm); i++) { + if (!(data->has_pwm & (1 << i))) + continue; + data->pwm[i][PWM_NONSTOP] = + w83793_read_value(client, W83793_REG_PWM(i, PWM_NONSTOP)); + data->pwm[i][PWM_START] = + w83793_read_value(client, W83793_REG_PWM(i, PWM_START)); + data->pwm_stop_time[i] = + w83793_read_value(client, W83793_REG_PWM_STOP_TIME(i)); + } + + data->pwm_default = w83793_read_value(client, W83793_REG_PWM_DEFAULT); + data->pwm_enable = w83793_read_value(client, W83793_REG_PWM_ENABLE); + data->pwm_uptime = w83793_read_value(client, W83793_REG_PWM_UPTIME); + data->pwm_downtime = w83793_read_value(client, W83793_REG_PWM_DOWNTIME); + data->temp_critical = + w83793_read_value(client, W83793_REG_TEMP_CRITICAL); + data->beep_enable = w83793_read_value(client, W83793_REG_OVT_BEEP); + + for (i = 0; i < ARRAY_SIZE(data->beeps); i++) { + data->beeps[i] = w83793_read_value(client, W83793_REG_BEEP(i)); + } + + data->last_nonvolatile = jiffies; +} + +static struct w83793_data *w83793_update_device(struct device *dev) +{ + struct i2c_client *client = to_i2c_client(dev); + struct w83793_data *data = i2c_get_clientdata(client); + int i; + + mutex_lock(&data->update_lock); + + if (!(time_after(jiffies, data->last_updated + HZ * 2) + || !data->valid)) + goto END; + + /* Update the voltages measured value and limits */ + for (i = 0; i < ARRAY_SIZE(data->in); i++) + data->in[i][IN_READ] = + w83793_read_value(client, W83793_REG_IN[i][IN_READ]); + + data->in_low_bits[IN_READ] = + w83793_read_value(client, W83793_REG_IN_LOW_BITS[IN_READ]); + + for (i = 0; i < ARRAY_SIZE(data->fan); i++) { + if (!(data->has_fan & (1 << i))) { + continue; + } + data->fan[i] = + w83793_read_value(client, W83793_REG_FAN(i)) << 8; + data->fan[i] |= + w83793_read_value(client, W83793_REG_FAN(i) + 1); + } + + for (i = 0; i < ARRAY_SIZE(data->temp); i++) + data->temp[i][TEMP_READ] = + w83793_read_value(client, W83793_REG_TEMP[i][TEMP_READ]); + + data->temp_low_bits = + w83793_read_value(client, W83793_REG_TEMP_LOW_BITS); + + for (i = 0; i < ARRAY_SIZE(data->pwm); i++) { + if (data->has_pwm & (1 << i)) + data->pwm[i][PWM_DUTY] = + w83793_read_value(client, + W83793_REG_PWM(i, PWM_DUTY)); + } + + for (i = 0; i < ARRAY_SIZE(data->alarms); i++) + data->alarms[i] = + w83793_read_value(client, W83793_REG_ALARM(i)); + data->vid[0] = w83793_read_value(client, W83793_REG_VID_INA); + data->vid[1] = w83793_read_value(client, W83793_REG_VID_INB); + w83793_update_nonvolatile(dev); + data->last_updated = jiffies; + data->valid = 1; + +END: + mutex_unlock(&data->update_lock); + return data; +} + +/* Ignore the possibility that somebody change bank outside the driver + Must be called with data->update_lock held, except during initialization */ +static u8 w83793_read_value(struct i2c_client *client, u16 reg) +{ + struct w83793_data *data = i2c_get_clientdata(client); + u8 res = 0xff; + u8 new_bank = reg >> 8; + + new_bank |= data->bank & 0xfc; + if (data->bank != new_bank) { + if (i2c_smbus_write_byte_data + (client, W83793_REG_BANKSEL, new_bank) >= 0) + data->bank = new_bank; + else { + dev_err(&client->dev, + "set bank to %d failed, fall back " + "to bank %d, read reg 0x%x error\n", + new_bank, data->bank, reg); + res = 0x0; /* read 0x0 from the chip */ + goto END; + } + } + res = i2c_smbus_read_byte_data(client, reg & 0xff); +END: + return res; +} + +/* Must be called with data->update_lock held, except during initialization */ +static int w83793_write_value(struct i2c_client *client, u16 reg, u8 value) +{ + struct w83793_data *data = i2c_get_clientdata(client); + int res; + u8 new_bank = reg >> 8; + + new_bank |= data->bank & 0xfc; + if (data->bank != new_bank) { + if ((res = i2c_smbus_write_byte_data + (client, W83793_REG_BANKSEL, new_bank)) >= 0) + data->bank = new_bank; + else { + dev_err(&client->dev, + "set bank to %d failed, fall back " + "to bank %d, write reg 0x%x error\n", + new_bank, data->bank, reg); + goto END; + } + } + + res = i2c_smbus_write_byte_data(client, reg & 0xff, value); +END: + return res; +} + +static int __init sensors_w83793_init(void) +{ + return i2c_add_driver(&w83793_driver); +} + +static void __exit sensors_w83793_exit(void) +{ + i2c_del_driver(&w83793_driver); +} + +MODULE_AUTHOR("Yuan Mu"); +MODULE_DESCRIPTION("w83793 driver"); +MODULE_LICENSE("GPL"); + +module_init(sensors_w83793_init); +module_exit(sensors_w83793_exit); diff --git a/drivers/i2c/busses/i2c-ali1563.c b/drivers/i2c/busses/i2c-ali1563.c index 33fbb47100a36..8e1e3f8e40a41 100644 --- a/drivers/i2c/busses/i2c-ali1563.c +++ b/drivers/i2c/busses/i2c-ali1563.c @@ -2,7 +2,7 @@ * i2c-ali1563.c - i2c driver for the ALi 1563 Southbridge * * Copyright (C) 2004 Patrick Mochel - * 2005 Rudolf Marek <r.marek@sh.cvut.cz> + * 2005 Rudolf Marek <r.marek@assembler.cz> * * The 1563 southbridge is deceptively similar to the 1533, with a * few notable exceptions. One of those happens to be the fact they diff --git a/drivers/i2c/chips/tps65010.c b/drivers/i2c/chips/tps65010.c index 60bef94cd25f7..4ee56def61f27 100644 --- a/drivers/i2c/chips/tps65010.c +++ b/drivers/i2c/chips/tps65010.c @@ -82,7 +82,7 @@ struct tps65010 { struct i2c_client client; struct mutex lock; int irq; - struct work_struct work; + struct delayed_work work; struct dentry *file; unsigned charging:1; unsigned por:1; @@ -328,7 +328,7 @@ static void tps65010_interrupt(struct tps65010 *tps) { u8 tmp = 0, mask, poll; - /* IRQs won't trigger irqs for certain events, but we can get + /* IRQs won't trigger for certain events, but we can get * others by polling (normally, with external power applied). */ poll = 0; @@ -411,10 +411,11 @@ static void tps65010_interrupt(struct tps65010 *tps) } /* handle IRQs and polling using keventd for now */ -static void tps65010_work(void *_tps) +static void tps65010_work(struct work_struct *work) { - struct tps65010 *tps = _tps; + struct tps65010 *tps; + tps = container_of(work, struct tps65010, work.work); mutex_lock(&tps->lock); tps65010_interrupt(tps); @@ -452,7 +453,7 @@ static irqreturn_t tps65010_irq(int irq, void *_tps) disable_irq_nosync(irq); set_bit(FLAG_IRQ_ENABLE, &tps->flags); - (void) schedule_work(&tps->work); + (void) schedule_work(&tps->work.work); return IRQ_HANDLED; } @@ -465,13 +466,15 @@ static int __exit tps65010_detach_client(struct i2c_client *client) struct tps65010 *tps; tps = container_of(client, struct tps65010, client); + free_irq(tps->irq, tps); #ifdef CONFIG_ARM if (machine_is_omap_h2()) omap_free_gpio(58); if (machine_is_omap_osk()) omap_free_gpio(OMAP_MPUIO(1)); #endif - free_irq(tps->irq, tps); + cancel_delayed_work(&tps->work); + flush_scheduled_work(); debugfs_remove(tps->file); if (i2c_detach_client(client) == 0) kfree(tps); @@ -505,7 +508,7 @@ tps65010_probe(struct i2c_adapter *bus, int address, int kind) return 0; mutex_init(&tps->lock); - INIT_WORK(&tps->work, tps65010_work, tps); + INIT_DELAYED_WORK(&tps->work, tps65010_work); tps->irq = -1; tps->client.addr = address; tps->client.adapter = bus; @@ -620,7 +623,7 @@ tps65010_probe(struct i2c_adapter *bus, int address, int kind) (void) i2c_smbus_write_byte_data(&tps->client, TPS_MASK3, 0x0f | i2c_smbus_read_byte_data(&tps->client, TPS_MASK3)); - tps65010_work(tps); + tps65010_work(&tps->work.work); tps->file = debugfs_create_file(DRIVER_NAME, S_IRUGO, NULL, tps, DEBUG_FOPS); @@ -672,7 +675,7 @@ int tps65010_set_vbus_draw(unsigned mA) && test_and_set_bit( FLAG_VBUS_CHANGED, &the_tps->flags)) { /* gadget drivers call this in_irq() */ - (void) schedule_work(&the_tps->work); + (void) schedule_work(&the_tps->work.work); } local_irq_restore(flags); diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c index e3a267622bb60..d33717c8afd46 100644 --- a/drivers/ide/ide-floppy.c +++ b/drivers/ide/ide-floppy.c @@ -2147,7 +2147,7 @@ static int ide_floppy_probe(ide_drive_t *drive) printk("ide-floppy: passing drive %s to ide-scsi emulation.\n", drive->name); goto failed; } - if ((floppy = (idefloppy_floppy_t *) kzalloc (sizeof (idefloppy_floppy_t), GFP_KERNEL)) == NULL) { + if ((floppy = kzalloc(sizeof (idefloppy_floppy_t), GFP_KERNEL)) == NULL) { printk (KERN_ERR "ide-floppy: %s: Can't allocate a floppy structure\n", drive->name); goto failed; } diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c index e2f4bb5490638..b3bcd1d7315e8 100644 --- a/drivers/ide/ide-tape.c +++ b/drivers/ide/ide-tape.c @@ -2573,11 +2573,11 @@ static idetape_stage_t *__idetape_kmalloc_stage (idetape_tape_t *tape, int full, int pages = tape->pages_per_stage; char *b_data = NULL; - if ((stage = (idetape_stage_t *) kmalloc (sizeof (idetape_stage_t),GFP_KERNEL)) == NULL) + if ((stage = kmalloc(sizeof (idetape_stage_t),GFP_KERNEL)) == NULL) return NULL; stage->next = NULL; - bh = stage->bh = (struct idetape_bh *)kmalloc(sizeof(struct idetape_bh), GFP_KERNEL); + bh = stage->bh = kmalloc(sizeof(struct idetape_bh), GFP_KERNEL); if (bh == NULL) goto abort; bh->b_reqnext = NULL; @@ -2607,7 +2607,7 @@ static idetape_stage_t *__idetape_kmalloc_stage (idetape_tape_t *tape, int full, continue; } prev_bh = bh; - if ((bh = (struct idetape_bh *)kmalloc(sizeof(struct idetape_bh), GFP_KERNEL)) == NULL) { + if ((bh = kmalloc(sizeof(struct idetape_bh), GFP_KERNEL)) == NULL) { free_page((unsigned long) b_data); goto abort; } @@ -4860,7 +4860,7 @@ static int ide_tape_probe(ide_drive_t *drive) printk(KERN_WARNING "ide-tape: Use drive %s with ide-scsi emulation and osst.\n", drive->name); printk(KERN_WARNING "ide-tape: OnStream support will be removed soon from ide-tape!\n"); } - tape = (idetape_tape_t *) kzalloc (sizeof (idetape_tape_t), GFP_KERNEL); + tape = kzalloc(sizeof (idetape_tape_t), GFP_KERNEL); if (tape == NULL) { printk(KERN_ERR "ide-tape: %s: Can't allocate a tape structure\n", drive->name); goto failed; diff --git a/drivers/ide/pci/hpt366.c b/drivers/ide/pci/hpt366.c index e993a51f250e5..08119da06d54d 100644 --- a/drivers/ide/pci/hpt366.c +++ b/drivers/ide/pci/hpt366.c @@ -4,6 +4,7 @@ * Copyright (C) 1999-2003 Andre Hedrick <andre@linux-ide.org> * Portions Copyright (C) 2001 Sun Microsystems, Inc. * Portions Copyright (C) 2003 Red Hat Inc + * Portions Copyright (C) 2005-2006 MontaVista Software, Inc. * * Thanks to HighPoint Technologies for their assistance, and hardware. * Special Thanks to Jon Burchmore in SanDiego for the deep pockets, his @@ -11,9 +12,11 @@ * development and support. * * - * Highpoint have their own driver (source except for the raid part) - * available from http://www.highpoint-tech.com/hpt3xx-opensource-v131.tgz - * This may be useful to anyone wanting to work on the mainstream hpt IDE. + * HighPoint has its own drivers (open source except for the RAID part) + * available from http://www.highpoint-tech.com/BIOS%20+%20Driver/. + * This may be useful to anyone wanting to work on this driver, however do not + * trust them too much since the code tends to become less and less meaningful + * as the time passes... :-/ * * Note that final HPT370 support was done by force extraction of GPL. * @@ -52,6 +55,29 @@ * keeping me sane. * Alan Cox <alan@redhat.com> * + * - fix the clock turnaround code: it was writing to the wrong ports when + * called for the secondary channel, caching the current clock mode per- + * channel caused the cached register value to get out of sync with the + * actual one, the channels weren't serialized, the turnaround shouldn't + * be done on 66 MHz PCI bus + * - avoid calibrating PLL twice as the second time results in a wrong PCI + * frequency and thus in the wrong timings for the secondary channel + * - disable UltraATA/133 for HPT372 by default (50 MHz DPLL clock do not + * allow for this speed anyway) + * - add support for HPT302N and HPT371N clocking (the same as for HPT372N) + * - HPT371/N are single channel chips, so avoid touching the primary channel + * which exists only virtually (there's no pins for it) + * - fix/remove bad/unused timing tables and use one set of tables for the whole + * HPT37x chip family; save space by introducing the separate transfer mode + * table in which the mode lookup is done + * - use f_CNT value saved by the HighPoint BIOS as reading it directly gives + * the wrong PCI frequency since DPLL has already been calibrated by BIOS + * - fix the hotswap code: it caused RESET- to glitch when tristating the bus, + * and for HPT36x the obsolete HDIO_TRISTATE_HWIF handler was called instead + * - pass to init_chipset() handlers a copy of the IDE PCI device structure as + * they tamper with its fields + * <source@mvista.com> + * */ @@ -76,8 +102,8 @@ /* various tuning parameters */ #define HPT_RESET_STATE_ENGINE -#undef HPT_DELAY_INTERRUPT -#undef HPT_SERIALIZE_IO +#undef HPT_DELAY_INTERRUPT +#define HPT_SERIALIZE_IO 0 static const char *quirk_drives[] = { "QUANTUM FIREBALLlct08 08", @@ -141,305 +167,175 @@ static const char *bad_ata33[] = { NULL }; -struct chipset_bus_clock_list_entry { - u8 xfer_speed; - unsigned int chipset_settings; +static u8 xfer_speeds[] = { + XFER_UDMA_6, + XFER_UDMA_5, + XFER_UDMA_4, + XFER_UDMA_3, + XFER_UDMA_2, + XFER_UDMA_1, + XFER_UDMA_0, + + XFER_MW_DMA_2, + XFER_MW_DMA_1, + XFER_MW_DMA_0, + + XFER_PIO_4, + XFER_PIO_3, + XFER_PIO_2, + XFER_PIO_1, + XFER_PIO_0 }; -/* key for bus clock timings - * bit - * 0:3 data_high_time. inactive time of DIOW_/DIOR_ for PIO and MW - * DMA. cycles = value + 1 - * 4:8 data_low_time. active time of DIOW_/DIOR_ for PIO and MW - * DMA. cycles = value + 1 - * 9:12 cmd_high_time. inactive time of DIOW_/DIOR_ during task file - * register access. - * 13:17 cmd_low_time. active time of DIOW_/DIOR_ during task file - * register access. - * 18:21 udma_cycle_time. clock freq and clock cycles for UDMA xfer. - * during task file register access. - * 22:24 pre_high_time. time to initialize 1st cycle for PIO and MW DMA - * xfer. - * 25:27 cmd_pre_high_time. time to initialize 1st PIO cycle for task - * register access. - * 28 UDMA enable - * 29 DMA enable - * 30 PIO_MST enable. if set, the chip is in bus master mode during - * PIO. - * 31 FIFO enable. +/* Key for bus clock timings + * 36x 37x + * bits bits + * 0:3 0:3 data_high_time. Inactive time of DIOW_/DIOR_ for PIO and MW DMA. + * cycles = value + 1 + * 4:7 4:8 data_low_time. Active time of DIOW_/DIOR_ for PIO and MW DMA. + * cycles = value + 1 + * 8:11 9:12 cmd_high_time. Inactive time of DIOW_/DIOR_ during task file + * register access. + * 12:15 13:17 cmd_low_time. Active time of DIOW_/DIOR_ during task file + * register access. + * 16:18 18:20 udma_cycle_time. Clock cycles for UDMA xfer. + * - 21 CLK frequency: 0=ATA clock, 1=dual ATA clock. + * 19:21 22:24 pre_high_time. Time to initialize the 1st cycle for PIO and + * MW DMA xfer. + * 22:24 25:27 cmd_pre_high_time. Time to initialize the 1st PIO cycle for + * task file register access. + * 28 28 UDMA enable. + * 29 29 DMA enable. + * 30 30 PIO MST enable. If set, the chip is in bus master mode during + * PIO xfer. + * 31 31 FIFO enable. */ -static struct chipset_bus_clock_list_entry forty_base_hpt366[] = { - { XFER_UDMA_4, 0x900fd943 }, - { XFER_UDMA_3, 0x900ad943 }, - { XFER_UDMA_2, 0x900bd943 }, - { XFER_UDMA_1, 0x9008d943 }, - { XFER_UDMA_0, 0x9008d943 }, - - { XFER_MW_DMA_2, 0xa008d943 }, - { XFER_MW_DMA_1, 0xa010d955 }, - { XFER_MW_DMA_0, 0xa010d9fc }, - - { XFER_PIO_4, 0xc008d963 }, - { XFER_PIO_3, 0xc010d974 }, - { XFER_PIO_2, 0xc010d997 }, - { XFER_PIO_1, 0xc010d9c7 }, - { XFER_PIO_0, 0xc018d9d9 }, - { 0, 0x0120d9d9 } -}; - -static struct chipset_bus_clock_list_entry thirty_three_base_hpt366[] = { - { XFER_UDMA_4, 0x90c9a731 }, - { XFER_UDMA_3, 0x90cfa731 }, - { XFER_UDMA_2, 0x90caa731 }, - { XFER_UDMA_1, 0x90cba731 }, - { XFER_UDMA_0, 0x90c8a731 }, - - { XFER_MW_DMA_2, 0xa0c8a731 }, - { XFER_MW_DMA_1, 0xa0c8a732 }, /* 0xa0c8a733 */ - { XFER_MW_DMA_0, 0xa0c8a797 }, - - { XFER_PIO_4, 0xc0c8a731 }, - { XFER_PIO_3, 0xc0c8a742 }, - { XFER_PIO_2, 0xc0d0a753 }, - { XFER_PIO_1, 0xc0d0a7a3 }, /* 0xc0d0a793 */ - { XFER_PIO_0, 0xc0d0a7aa }, /* 0xc0d0a7a7 */ - { 0, 0x0120a7a7 } -}; - -static struct chipset_bus_clock_list_entry twenty_five_base_hpt366[] = { - { XFER_UDMA_4, 0x90c98521 }, - { XFER_UDMA_3, 0x90cf8521 }, - { XFER_UDMA_2, 0x90cf8521 }, - { XFER_UDMA_1, 0x90cb8521 }, - { XFER_UDMA_0, 0x90cb8521 }, - - { XFER_MW_DMA_2, 0xa0ca8521 }, - { XFER_MW_DMA_1, 0xa0ca8532 }, - { XFER_MW_DMA_0, 0xa0ca8575 }, - - { XFER_PIO_4, 0xc0ca8521 }, - { XFER_PIO_3, 0xc0ca8532 }, - { XFER_PIO_2, 0xc0ca8542 }, - { XFER_PIO_1, 0xc0d08572 }, - { XFER_PIO_0, 0xc0d08585 }, - { 0, 0x01208585 } -}; - -/* from highpoint documentation. these are old values */ -static struct chipset_bus_clock_list_entry thirty_three_base_hpt370[] = { -/* { XFER_UDMA_5, 0x1A85F442, 0x16454e31 }, */ - { XFER_UDMA_5, 0x16454e31 }, - { XFER_UDMA_4, 0x16454e31 }, - { XFER_UDMA_3, 0x166d4e31 }, - { XFER_UDMA_2, 0x16494e31 }, - { XFER_UDMA_1, 0x164d4e31 }, - { XFER_UDMA_0, 0x16514e31 }, - - { XFER_MW_DMA_2, 0x26514e21 }, - { XFER_MW_DMA_1, 0x26514e33 }, - { XFER_MW_DMA_0, 0x26514e97 }, - - { XFER_PIO_4, 0x06514e21 }, - { XFER_PIO_3, 0x06514e22 }, - { XFER_PIO_2, 0x06514e33 }, - { XFER_PIO_1, 0x06914e43 }, - { XFER_PIO_0, 0x06914e57 }, - { 0, 0x06514e57 } -}; - -static struct chipset_bus_clock_list_entry sixty_six_base_hpt370[] = { - { XFER_UDMA_5, 0x14846231 }, - { XFER_UDMA_4, 0x14886231 }, - { XFER_UDMA_3, 0x148c6231 }, - { XFER_UDMA_2, 0x148c6231 }, - { XFER_UDMA_1, 0x14906231 }, - { XFER_UDMA_0, 0x14986231 }, - - { XFER_MW_DMA_2, 0x26514e21 }, - { XFER_MW_DMA_1, 0x26514e33 }, - { XFER_MW_DMA_0, 0x26514e97 }, - - { XFER_PIO_4, 0x06514e21 }, - { XFER_PIO_3, 0x06514e22 }, - { XFER_PIO_2, 0x06514e33 }, - { XFER_PIO_1, 0x06914e43 }, - { XFER_PIO_0, 0x06914e57 }, - { 0, 0x06514e57 } -}; - -/* these are the current (4 sep 2001) timings from highpoint */ -static struct chipset_bus_clock_list_entry thirty_three_base_hpt370a[] = { - { XFER_UDMA_5, 0x12446231 }, - { XFER_UDMA_4, 0x12446231 }, - { XFER_UDMA_3, 0x126c6231 }, - { XFER_UDMA_2, 0x12486231 }, - { XFER_UDMA_1, 0x124c6233 }, - { XFER_UDMA_0, 0x12506297 }, - - { XFER_MW_DMA_2, 0x22406c31 }, - { XFER_MW_DMA_1, 0x22406c33 }, - { XFER_MW_DMA_0, 0x22406c97 }, - - { XFER_PIO_4, 0x06414e31 }, - { XFER_PIO_3, 0x06414e42 }, - { XFER_PIO_2, 0x06414e53 }, - { XFER_PIO_1, 0x06814e93 }, - { XFER_PIO_0, 0x06814ea7 }, - { 0, 0x06814ea7 } -}; - -/* 2x 33MHz timings */ -static struct chipset_bus_clock_list_entry sixty_six_base_hpt370a[] = { - { XFER_UDMA_5, 0x1488e673 }, - { XFER_UDMA_4, 0x1488e673 }, - { XFER_UDMA_3, 0x1498e673 }, - { XFER_UDMA_2, 0x1490e673 }, - { XFER_UDMA_1, 0x1498e677 }, - { XFER_UDMA_0, 0x14a0e73f }, - - { XFER_MW_DMA_2, 0x2480fa73 }, - { XFER_MW_DMA_1, 0x2480fa77 }, - { XFER_MW_DMA_0, 0x2480fb3f }, - - { XFER_PIO_4, 0x0c82be73 }, - { XFER_PIO_3, 0x0c82be95 }, - { XFER_PIO_2, 0x0c82beb7 }, - { XFER_PIO_1, 0x0d02bf37 }, - { XFER_PIO_0, 0x0d02bf5f }, - { 0, 0x0d02bf5f } -}; -static struct chipset_bus_clock_list_entry fifty_base_hpt370a[] = { - { XFER_UDMA_5, 0x12848242 }, - { XFER_UDMA_4, 0x12ac8242 }, - { XFER_UDMA_3, 0x128c8242 }, - { XFER_UDMA_2, 0x120c8242 }, - { XFER_UDMA_1, 0x12148254 }, - { XFER_UDMA_0, 0x121882ea }, - - { XFER_MW_DMA_2, 0x22808242 }, - { XFER_MW_DMA_1, 0x22808254 }, - { XFER_MW_DMA_0, 0x228082ea }, - - { XFER_PIO_4, 0x0a81f442 }, - { XFER_PIO_3, 0x0a81f443 }, - { XFER_PIO_2, 0x0a81f454 }, - { XFER_PIO_1, 0x0ac1f465 }, - { XFER_PIO_0, 0x0ac1f48a }, - { 0, 0x0ac1f48a } +static u32 forty_base_hpt36x[] = { + /* XFER_UDMA_6 */ 0x900fd943, + /* XFER_UDMA_5 */ 0x900fd943, + /* XFER_UDMA_4 */ 0x900fd943, + /* XFER_UDMA_3 */ 0x900ad943, + /* XFER_UDMA_2 */ 0x900bd943, + /* XFER_UDMA_1 */ 0x9008d943, + /* XFER_UDMA_0 */ 0x9008d943, + + /* XFER_MW_DMA_2 */ 0xa008d943, + /* XFER_MW_DMA_1 */ 0xa010d955, + /* XFER_MW_DMA_0 */ 0xa010d9fc, + + /* XFER_PIO_4 */ 0xc008d963, + /* XFER_PIO_3 */ 0xc010d974, + /* XFER_PIO_2 */ 0xc010d997, + /* XFER_PIO_1 */ 0xc010d9c7, + /* XFER_PIO_0 */ 0xc018d9d9 }; -static struct chipset_bus_clock_list_entry thirty_three_base_hpt372[] = { - { XFER_UDMA_6, 0x1c81dc62 }, - { XFER_UDMA_5, 0x1c6ddc62 }, - { XFER_UDMA_4, 0x1c8ddc62 }, - { XFER_UDMA_3, 0x1c8edc62 }, /* checkme */ - { XFER_UDMA_2, 0x1c91dc62 }, - { XFER_UDMA_1, 0x1c9adc62 }, /* checkme */ - { XFER_UDMA_0, 0x1c82dc62 }, /* checkme */ - - { XFER_MW_DMA_2, 0x2c829262 }, - { XFER_MW_DMA_1, 0x2c829266 }, /* checkme */ - { XFER_MW_DMA_0, 0x2c82922e }, /* checkme */ - - { XFER_PIO_4, 0x0c829c62 }, - { XFER_PIO_3, 0x0c829c84 }, - { XFER_PIO_2, 0x0c829ca6 }, - { XFER_PIO_1, 0x0d029d26 }, - { XFER_PIO_0, 0x0d029d5e }, - { 0, 0x0d029d5e } +static u32 thirty_three_base_hpt36x[] = { + /* XFER_UDMA_6 */ 0x90c9a731, + /* XFER_UDMA_5 */ 0x90c9a731, + /* XFER_UDMA_4 */ 0x90c9a731, + /* XFER_UDMA_3 */ 0x90cfa731, + /* XFER_UDMA_2 */ 0x90caa731, + /* XFER_UDMA_1 */ 0x90cba731, + /* XFER_UDMA_0 */ 0x90c8a731, + + /* XFER_MW_DMA_2 */ 0xa0c8a731, + /* XFER_MW_DMA_1 */ 0xa0c8a732, /* 0xa0c8a733 */ + /* XFER_MW_DMA_0 */ 0xa0c8a797, + + /* XFER_PIO_4 */ 0xc0c8a731, + /* XFER_PIO_3 */ 0xc0c8a742, + /* XFER_PIO_2 */ 0xc0d0a753, + /* XFER_PIO_1 */ 0xc0d0a7a3, /* 0xc0d0a793 */ + /* XFER_PIO_0 */ 0xc0d0a7aa /* 0xc0d0a7a7 */ }; -static struct chipset_bus_clock_list_entry fifty_base_hpt372[] = { - { XFER_UDMA_5, 0x12848242 }, - { XFER_UDMA_4, 0x12ac8242 }, - { XFER_UDMA_3, 0x128c8242 }, - { XFER_UDMA_2, 0x120c8242 }, - { XFER_UDMA_1, 0x12148254 }, - { XFER_UDMA_0, 0x121882ea }, - - { XFER_MW_DMA_2, 0x22808242 }, - { XFER_MW_DMA_1, 0x22808254 }, - { XFER_MW_DMA_0, 0x228082ea }, - - { XFER_PIO_4, 0x0a81f442 }, - { XFER_PIO_3, 0x0a81f443 }, - { XFER_PIO_2, 0x0a81f454 }, - { XFER_PIO_1, 0x0ac1f465 }, - { XFER_PIO_0, 0x0ac1f48a }, - { 0, 0x0a81f443 } +static u32 twenty_five_base_hpt36x[] = { + /* XFER_UDMA_6 */ 0x90c98521, + /* XFER_UDMA_5 */ 0x90c98521, + /* XFER_UDMA_4 */ 0x90c98521, + /* XFER_UDMA_3 */ 0x90cf8521, + /* XFER_UDMA_2 */ 0x90cf8521, + /* XFER_UDMA_1 */ 0x90cb8521, + /* XFER_UDMA_0 */ 0x90cb8521, + + /* XFER_MW_DMA_2 */ 0xa0ca8521, + /* XFER_MW_DMA_1 */ 0xa0ca8532, + /* XFER_MW_DMA_0 */ 0xa0ca8575, + + /* XFER_PIO_4 */ 0xc0ca8521, + /* XFER_PIO_3 */ 0xc0ca8532, + /* XFER_PIO_2 */ 0xc0ca8542, + /* XFER_PIO_1 */ 0xc0d08572, + /* XFER_PIO_0 */ 0xc0d08585 }; -static struct chipset_bus_clock_list_entry sixty_six_base_hpt372[] = { - { XFER_UDMA_6, 0x1c869c62 }, - { XFER_UDMA_5, 0x1cae9c62 }, - { XFER_UDMA_4, 0x1c8a9c62 }, - { XFER_UDMA_3, 0x1c8e9c62 }, - { XFER_UDMA_2, 0x1c929c62 }, - { XFER_UDMA_1, 0x1c9a9c62 }, - { XFER_UDMA_0, 0x1c829c62 }, - - { XFER_MW_DMA_2, 0x2c829c62 }, - { XFER_MW_DMA_1, 0x2c829c66 }, - { XFER_MW_DMA_0, 0x2c829d2e }, - - { XFER_PIO_4, 0x0c829c62 }, - { XFER_PIO_3, 0x0c829c84 }, - { XFER_PIO_2, 0x0c829ca6 }, - { XFER_PIO_1, 0x0d029d26 }, - { XFER_PIO_0, 0x0d029d5e }, - { 0, 0x0d029d26 } +static u32 thirty_three_base_hpt37x[] = { + /* XFER_UDMA_6 */ 0x12446231, /* 0x12646231 ?? */ + /* XFER_UDMA_5 */ 0x12446231, + /* XFER_UDMA_4 */ 0x12446231, + /* XFER_UDMA_3 */ 0x126c6231, + /* XFER_UDMA_2 */ 0x12486231, + /* XFER_UDMA_1 */ 0x124c6233, + /* XFER_UDMA_0 */ 0x12506297, + + /* XFER_MW_DMA_2 */ 0x22406c31, + /* XFER_MW_DMA_1 */ 0x22406c33, + /* XFER_MW_DMA_0 */ 0x22406c97, + + /* XFER_PIO_4 */ 0x06414e31, + /* XFER_PIO_3 */ 0x06414e42, + /* XFER_PIO_2 */ 0x06414e53, + /* XFER_PIO_1 */ 0x06814e93, + /* XFER_PIO_0 */ 0x06814ea7 }; -static struct chipset_bus_clock_list_entry thirty_three_base_hpt374[] = { - { XFER_UDMA_6, 0x12808242 }, - { XFER_UDMA_5, 0x12848242 }, - { XFER_UDMA_4, 0x12ac8242 }, - { XFER_UDMA_3, 0x128c8242 }, - { XFER_UDMA_2, 0x120c8242 }, - { XFER_UDMA_1, 0x12148254 }, - { XFER_UDMA_0, 0x121882ea }, - - { XFER_MW_DMA_2, 0x22808242 }, - { XFER_MW_DMA_1, 0x22808254 }, - { XFER_MW_DMA_0, 0x228082ea }, - - { XFER_PIO_4, 0x0a81f442 }, - { XFER_PIO_3, 0x0a81f443 }, - { XFER_PIO_2, 0x0a81f454 }, - { XFER_PIO_1, 0x0ac1f465 }, - { XFER_PIO_0, 0x0ac1f48a }, - { 0, 0x06814e93 } +static u32 fifty_base_hpt37x[] = { + /* XFER_UDMA_6 */ 0x12848242, + /* XFER_UDMA_5 */ 0x12848242, + /* XFER_UDMA_4 */ 0x12ac8242, + /* XFER_UDMA_3 */ 0x128c8242, + /* XFER_UDMA_2 */ 0x120c8242, + /* XFER_UDMA_1 */ 0x12148254, + /* XFER_UDMA_0 */ 0x121882ea, + + /* XFER_MW_DMA_2 */ 0x22808242, + /* XFER_MW_DMA_1 */ 0x22808254, + /* XFER_MW_DMA_0 */ 0x228082ea, + + /* XFER_PIO_4 */ 0x0a81f442, + /* XFER_PIO_3 */ 0x0a81f443, + /* XFER_PIO_2 */ 0x0a81f454, + /* XFER_PIO_1 */ 0x0ac1f465, + /* XFER_PIO_0 */ 0x0ac1f48a }; -/* FIXME: 50MHz timings for HPT374 */ - -#if 0 -static struct chipset_bus_clock_list_entry sixty_six_base_hpt374[] = { - { XFER_UDMA_6, 0x12406231 }, /* checkme */ - { XFER_UDMA_5, 0x12446231 }, /* 0x14846231 */ - { XFER_UDMA_4, 0x16814ea7 }, /* 0x14886231 */ - { XFER_UDMA_3, 0x16814ea7 }, /* 0x148c6231 */ - { XFER_UDMA_2, 0x16814ea7 }, /* 0x148c6231 */ - { XFER_UDMA_1, 0x16814ea7 }, /* 0x14906231 */ - { XFER_UDMA_0, 0x16814ea7 }, /* 0x14986231 */ - { XFER_MW_DMA_2, 0x16814ea7 }, /* 0x26514e21 */ - { XFER_MW_DMA_1, 0x16814ea7 }, /* 0x26514e97 */ - { XFER_MW_DMA_0, 0x16814ea7 }, /* 0x26514e97 */ - { XFER_PIO_4, 0x06814ea7 }, /* 0x06514e21 */ - { XFER_PIO_3, 0x06814ea7 }, /* 0x06514e22 */ - { XFER_PIO_2, 0x06814ea7 }, /* 0x06514e33 */ - { XFER_PIO_1, 0x06814ea7 }, /* 0x06914e43 */ - { XFER_PIO_0, 0x06814ea7 }, /* 0x06914e57 */ - { 0, 0x06814ea7 } +static u32 sixty_six_base_hpt37x[] = { + /* XFER_UDMA_6 */ 0x1c869c62, + /* XFER_UDMA_5 */ 0x1cae9c62, /* 0x1c8a9c62 */ + /* XFER_UDMA_4 */ 0x1c8a9c62, + /* XFER_UDMA_3 */ 0x1c8e9c62, + /* XFER_UDMA_2 */ 0x1c929c62, + /* XFER_UDMA_1 */ 0x1c9a9c62, + /* XFER_UDMA_0 */ 0x1c829c62, + + /* XFER_MW_DMA_2 */ 0x2c829c62, + /* XFER_MW_DMA_1 */ 0x2c829c66, + /* XFER_MW_DMA_0 */ 0x2c829d2e, + + /* XFER_PIO_4 */ 0x0c829c62, + /* XFER_PIO_3 */ 0x0c829c84, + /* XFER_PIO_2 */ 0x0c829ca6, + /* XFER_PIO_1 */ 0x0d029d26, + /* XFER_PIO_0 */ 0x0d029d5e }; -#endif #define HPT366_DEBUG_DRIVE_INFO 0 #define HPT374_ALLOW_ATA133_6 0 #define HPT371_ALLOW_ATA133_6 0 #define HPT302_ALLOW_ATA133_6 0 -#define HPT372_ALLOW_ATA133_6 1 +#define HPT372_ALLOW_ATA133_6 0 #define HPT370_ALLOW_ATA100_5 1 #define HPT366_ALLOW_ATA66_4 1 #define HPT366_ALLOW_ATA66_3 1 @@ -461,9 +357,10 @@ struct hpt_info int revision; /* Chipset revision */ int flags; /* Chipset properties */ #define PLL_MODE 1 -#define IS_372N 2 +#define IS_3xxN 2 +#define PCI_66MHZ 4 /* Speed table */ - struct chipset_bus_clock_list_entry *speed; + u32 *speed; }; /* @@ -600,12 +497,20 @@ static int check_in_drive_lists (ide_drive_t *drive, const char **list) return 0; } -static unsigned int pci_bus_clock_list (u8 speed, struct chipset_bus_clock_list_entry * chipset_table) +static u32 pci_bus_clock_list(u8 speed, u32 *chipset_table) { - for ( ; chipset_table->xfer_speed ; chipset_table++) - if (chipset_table->xfer_speed == speed) - return chipset_table->chipset_settings; - return chipset_table->chipset_settings; + int i; + + /* + * Lookup the transfer mode table to get the index into + * the timing table. + * + * NOTE: For XFER_PIO_SLOW, PIO mode 0 timings will be used. + */ + for (i = 0; i < ARRAY_SIZE(xfer_speeds) - 1; i++) + if (xfer_speeds[i] == speed) + break; + return chipset_table[i]; } static int hpt36x_tune_chipset(ide_drive_t *drive, u8 xferspeed) @@ -956,156 +861,127 @@ static int hpt374_ide_dma_end (ide_drive_t *drive) } /** - * hpt372n_set_clock - perform clock switching dance - * @drive: Drive to switch - * @mode: Switching mode (0x21 for write, 0x23 otherwise) + * hpt3xxn_set_clock - perform clock switching dance + * @hwif: hwif to switch + * @mode: clocking mode (0x21 for write, 0x23 otherwise) * - * Switch the DPLL clock on the HPT372N devices. This is a - * right mess. + * Switch the DPLL clock on the HPT3xxN devices. This is a right mess. + * NOTE: avoid touching the disabled primary channel on HPT371N -- it + * doesn't physically exist anyway... */ - -static void hpt372n_set_clock(ide_drive_t *drive, int mode) + +static void hpt3xxn_set_clock(ide_hwif_t *hwif, u8 mode) { - ide_hwif_t *hwif = HWIF(drive); - - /* FIXME: should we check for DMA active and BUG() */ + u8 mcr1, scr2 = hwif->INB(hwif->dma_master + 0x7b); + + if ((scr2 & 0x7f) == mode) + return; + + /* MISC. control register 1 has the channel enable bit... */ + mcr1 = hwif->INB(hwif->dma_master + 0x70); + /* Tristate the bus */ - outb(0x80, hwif->dma_base+0x73); - outb(0x80, hwif->dma_base+0x77); - + if (mcr1 & 0x04) + hwif->OUTB(0x80, hwif->dma_master + 0x73); + hwif->OUTB(0x80, hwif->dma_master + 0x77); + /* Switch clock and reset channels */ - outb(mode, hwif->dma_base+0x7B); - outb(0xC0, hwif->dma_base+0x79); - + hwif->OUTB(mode, hwif->dma_master + 0x7b); + hwif->OUTB(0xc0, hwif->dma_master + 0x79); + /* Reset state machines */ - outb(0x37, hwif->dma_base+0x70); - outb(0x37, hwif->dma_base+0x74); - + if (mcr1 & 0x04) + hwif->OUTB(0x37, hwif->dma_master + 0x70); + hwif->OUTB(0x37, hwif->dma_master + 0x74); + /* Complete reset */ - outb(0x00, hwif->dma_base+0x79); - + hwif->OUTB(0x00, hwif->dma_master + 0x79); + /* Reconnect channels to bus */ - outb(0x00, hwif->dma_base+0x73); - outb(0x00, hwif->dma_base+0x77); + if (mcr1 & 0x04) + hwif->OUTB(0x00, hwif->dma_master + 0x73); + hwif->OUTB(0x00, hwif->dma_master + 0x77); } /** - * hpt372n_rw_disk - prepare for I/O + * hpt3xxn_rw_disk - prepare for I/O * @drive: drive for command * @rq: block request structure * - * This is called when a disk I/O is issued to the 372N. + * This is called when a disk I/O is issued to HPT3xxN. * We need it because of the clock switching. */ -static void hpt372n_rw_disk(ide_drive_t *drive, struct request *rq) -{ - ide_hwif_t *hwif = drive->hwif; - int wantclock; - - wantclock = rq_data_dir(rq) ? 0x23 : 0x21; - - if (hwif->config_data != wantclock) { - hpt372n_set_clock(drive, wantclock); - hwif->config_data = wantclock; - } -} - -/* - * Since SUN Cobalt is attempting to do this operation, I should disclose - * this has been a long time ago Thu Jul 27 16:40:57 2000 was the patch date - * HOTSWAP ATA Infrastructure. - */ - -static void hpt3xx_reset (ide_drive_t *drive) -{ -} - -static int hpt3xx_tristate (ide_drive_t * drive, int state) +static void hpt3xxn_rw_disk(ide_drive_t *drive, struct request *rq) { ide_hwif_t *hwif = HWIF(drive); - struct pci_dev *dev = hwif->pci_dev; - u8 reg59h = 0, reset = (hwif->channel) ? 0x80 : 0x40; - u8 regXXh = 0, state_reg= (hwif->channel) ? 0x57 : 0x53; - - pci_read_config_byte(dev, 0x59, ®59h); - pci_read_config_byte(dev, state_reg, ®XXh); + u8 wantclock = rq_data_dir(rq) ? 0x23 : 0x21; - if (state) { - (void) ide_do_reset(drive); - pci_write_config_byte(dev, state_reg, regXXh|0x80); - pci_write_config_byte(dev, 0x59, reg59h|reset); - } else { - pci_write_config_byte(dev, 0x59, reg59h & ~(reset)); - pci_write_config_byte(dev, state_reg, regXXh & ~(0x80)); - (void) ide_do_reset(drive); - } - return 0; + hpt3xxn_set_clock(hwif, wantclock); } /* - * set/get power state for a drive. - * turning the power off does the following things: - * 1) soft-reset the drive - * 2) tri-states the ide bus + * Set/get power state for a drive. * - * when we turn things back on, we need to re-initialize things. + * When we turn the power back on, we need to re-initialize things. */ #define TRISTATE_BIT 0x8000 -static int hpt370_busproc(ide_drive_t * drive, int state) + +static int hpt3xx_busproc(ide_drive_t *drive, int state) { ide_hwif_t *hwif = drive->hwif; struct pci_dev *dev = hwif->pci_dev; - u8 tristate = 0, resetmask = 0, bus_reg = 0; - u16 tri_reg; + u8 tristate, resetmask, bus_reg = 0; + u16 tri_reg = 0; hwif->bus_state = state; if (hwif->channel) { /* secondary channel */ - tristate = 0x56; - resetmask = 0x80; + tristate = 0x56; + resetmask = 0x80; } else { /* primary channel */ - tristate = 0x52; + tristate = 0x52; resetmask = 0x40; } - /* grab status */ + /* Grab the status. */ pci_read_config_word(dev, tristate, &tri_reg); pci_read_config_byte(dev, 0x59, &bus_reg); - /* set the state. we don't set it if we don't need to do so. - * make sure that the drive knows that it has failed if it's off */ + /* + * Set the state. We don't set it if we don't need to do so. + * Make sure that the drive knows that it has failed if it's off. + */ switch (state) { case BUSSTATE_ON: - hwif->drives[0].failures = 0; - hwif->drives[1].failures = 0; - if ((bus_reg & resetmask) == 0) + if (!(bus_reg & resetmask)) return 0; - tri_reg &= ~TRISTATE_BIT; - bus_reg &= ~resetmask; - break; + hwif->drives[0].failures = hwif->drives[1].failures = 0; + + pci_write_config_byte(dev, 0x59, bus_reg & ~resetmask); + pci_write_config_word(dev, tristate, tri_reg & ~TRISTATE_BIT); + return 0; case BUSSTATE_OFF: - hwif->drives[0].failures = hwif->drives[0].max_failures + 1; - hwif->drives[1].failures = hwif->drives[1].max_failures + 1; - if ((tri_reg & TRISTATE_BIT) == 0 && (bus_reg & resetmask)) + if ((bus_reg & resetmask) && !(tri_reg & TRISTATE_BIT)) return 0; tri_reg &= ~TRISTATE_BIT; - bus_reg |= resetmask; break; case BUSSTATE_TRISTATE: - hwif->drives[0].failures = hwif->drives[0].max_failures + 1; - hwif->drives[1].failures = hwif->drives[1].max_failures + 1; - if ((tri_reg & TRISTATE_BIT) && (bus_reg & resetmask)) + if ((bus_reg & resetmask) && (tri_reg & TRISTATE_BIT)) return 0; tri_reg |= TRISTATE_BIT; - bus_reg |= resetmask; break; + default: + return -EINVAL; } - pci_write_config_byte(dev, 0x59, bus_reg); - pci_write_config_word(dev, tristate, tri_reg); + hwif->drives[0].failures = hwif->drives[0].max_failures + 1; + hwif->drives[1].failures = hwif->drives[1].max_failures + 1; + + pci_write_config_word(dev, tristate, tri_reg); + pci_write_config_byte(dev, 0x59, bus_reg | resetmask); return 0; } @@ -1119,14 +995,14 @@ static void __devinit hpt366_clocking(ide_hwif_t *hwif) /* detect bus speed by looking at control reg timing: */ switch((reg1 >> 8) & 7) { case 5: - info->speed = forty_base_hpt366; + info->speed = forty_base_hpt36x; break; case 9: - info->speed = twenty_five_base_hpt366; + info->speed = twenty_five_base_hpt36x; break; case 7: default: - info->speed = thirty_three_base_hpt366; + info->speed = thirty_three_base_hpt36x; break; } } @@ -1136,9 +1012,9 @@ static void __devinit hpt37x_clocking(ide_hwif_t *hwif) struct hpt_info *info = ide_get_hwifdata(hwif); struct pci_dev *dev = hwif->pci_dev; int adjust, i; - u16 freq; - u32 pll; - u8 reg5bh; + u16 freq = 0; + u32 pll, temp = 0; + u8 reg5bh = 0, mcr1 = 0; /* * default to pci clock. make sure MA15/16 are set to output @@ -1151,27 +1027,40 @@ static void __devinit hpt37x_clocking(ide_hwif_t *hwif) pci_write_config_byte(dev, 0x5b, 0x23); /* - * set up the PLL. we need to adjust it so that it's stable. - * freq = Tpll * 192 / Tpci + * We'll have to read f_CNT value in order to determine + * the PCI clock frequency according to the following ratio: + * + * f_CNT = Fpci * 192 / Fdpll + * + * First try reading the register in which the HighPoint BIOS + * saves f_CNT value before reprogramming the DPLL from its + * default setting (which differs for the various chips). + * NOTE: This register is only accessible via I/O space. * - * Todo. For non x86 should probably check the dword is - * set to 0xABCDExxx indicating the BIOS saved f_CNT + * In case the signature check fails, we'll have to resort to + * reading the f_CNT register itself in hopes that nobody has + * touched the DPLL yet... */ - pci_read_config_word(dev, 0x78, &freq); - freq &= 0x1FF; - + temp = inl(pci_resource_start(dev, 4) + 0x90); + if ((temp & 0xFFFFF000) != 0xABCDE000) { + printk(KERN_WARNING "HPT37X: no clock data saved by BIOS\n"); + + /* Calculate the average value of f_CNT */ + for (temp = i = 0; i < 128; i++) { + pci_read_config_word(dev, 0x78, &freq); + temp += freq & 0x1ff; + mdelay(1); + } + freq = temp / 128; + } else + freq = temp & 0x1ff; + /* - * The 372N uses different PCI clock information and has - * some other complications - * On PCI33 timing we must clock switch - * On PCI66 timing we must NOT use the PCI clock - * - * Currently we always set up the PLL for the 372N + * HPT3xxN chips use different PCI clock information. + * Currently we always set up the PLL for them. */ - - if(info->flags & IS_372N) - { - printk(KERN_INFO "hpt: HPT372N detected, using 372N timing.\n"); + + if (info->flags & IS_3xxN) { if(freq < 0x55) pll = F_LOW_PCI_33; else if(freq < 0x70) @@ -1180,10 +1069,8 @@ static void __devinit hpt37x_clocking(ide_hwif_t *hwif) pll = F_LOW_PCI_50; else pll = F_LOW_PCI_66; - - printk(KERN_INFO "FREQ: %d PLL: %d\n", freq, pll); - - /* We always use the pll not the PCI clock on 372N */ + + printk(KERN_INFO "HPT3xxN detected, FREQ: %d, PLL: %d\n", freq, pll); } else { @@ -1197,41 +1084,22 @@ static void __devinit hpt37x_clocking(ide_hwif_t *hwif) pll = F_LOW_PCI_66; if (pll == F_LOW_PCI_33) { - if (info->revision >= 8) - info->speed = thirty_three_base_hpt374; - else if (info->revision >= 5) - info->speed = thirty_three_base_hpt372; - else if (info->revision >= 4) - info->speed = thirty_three_base_hpt370a; - else - info->speed = thirty_three_base_hpt370; + info->speed = thirty_three_base_hpt37x; printk(KERN_DEBUG "HPT37X: using 33MHz PCI clock\n"); } else if (pll == F_LOW_PCI_40) { /* Unsupported */ } else if (pll == F_LOW_PCI_50) { - if (info->revision >= 8) - info->speed = fifty_base_hpt370a; - else if (info->revision >= 5) - info->speed = fifty_base_hpt372; - else if (info->revision >= 4) - info->speed = fifty_base_hpt370a; - else - info->speed = fifty_base_hpt370a; + info->speed = fifty_base_hpt37x; printk(KERN_DEBUG "HPT37X: using 50MHz PCI clock\n"); } else { - if (info->revision >= 8) { - printk(KERN_ERR "HPT37x: 66MHz timings are not supported.\n"); - } - else if (info->revision >= 5) - info->speed = sixty_six_base_hpt372; - else if (info->revision >= 4) - info->speed = sixty_six_base_hpt370a; - else - info->speed = sixty_six_base_hpt370; + info->speed = sixty_six_base_hpt37x; printk(KERN_DEBUG "HPT37X: using 66MHz PCI clock\n"); } } - + + if (pll == F_LOW_PCI_66) + info->flags |= PCI_66MHZ; + /* * only try the pll if we don't have a table for the clock * speed that we're running at. NOTE: the internal PLL will @@ -1248,11 +1116,8 @@ static void __devinit hpt37x_clocking(ide_hwif_t *hwif) info->flags |= PLL_MODE; /* - * FIXME: make this work correctly, esp with 372N as per - * reference driver code. - * - * adjust PLL based upon PCI clock, enable it, and wait for - * stabilization. + * Adjust the PLL based upon the PCI clock, enable it, and + * wait for stabilization... */ adjust = 0; freq = (pll < F_LOW_PCI_50) ? 2 : 4; @@ -1275,22 +1140,12 @@ static void __devinit hpt37x_clocking(ide_hwif_t *hwif) pci_write_config_dword(dev, 0x5c, pll & ~0x100); pci_write_config_byte(dev, 0x5b, 0x21); - if (info->revision >= 8) - info->speed = fifty_base_hpt370a; - else if (info->revision >= 5) - info->speed = fifty_base_hpt372; - else if (info->revision >= 4) - info->speed = fifty_base_hpt370a; - else - info->speed = fifty_base_hpt370a; + + info->speed = fifty_base_hpt37x; printk("HPT37X: using 50MHz internal PLL\n"); goto init_hpt37X_done; } } - if (!pci_get_drvdata(dev)) { - printk("No Clock Stabilization!!!\n"); - return; - } pll_recal: if (adjust & 1) pll -= (adjust >> 1); @@ -1300,11 +1155,16 @@ pll_recal: init_hpt37X_done: if (!info->speed) - printk(KERN_ERR "HPT37X%s: unknown bus timing [%d %d].\n", - (info->flags & IS_372N)?"N":"", pll, freq); - /* reset state engine */ - pci_write_config_byte(dev, 0x50, 0x37); - pci_write_config_byte(dev, 0x54, 0x37); + printk(KERN_ERR "HPT37x%s: unknown bus timing [%d %d].\n", + (info->flags & IS_3xxN) ? "N" : "", pll, freq); + /* + * Reset the state engines. + * NOTE: avoid accidentally enabling the primary channel on HPT371N. + */ + pci_read_config_byte(dev, 0x50, &mcr1); + if (mcr1 & 0x04) + pci_write_config_byte(dev, 0x50, 0x37); + pci_write_config_byte(dev, 0x54, 0x37); udelay(100); } @@ -1367,6 +1227,7 @@ static void __devinit init_hwif_hpt366(ide_hwif_t *hwif) struct pci_dev *dev = hwif->pci_dev; struct hpt_info *info = ide_get_hwifdata(hwif); u8 ata66 = 0, regmask = (hwif->channel) ? 0x01 : 0x02; + int serialize = HPT_SERIALIZE_IO; hwif->tuneproc = &hpt3xx_tune_drive; hwif->speedproc = &hpt3xx_tune_chipset; @@ -1374,8 +1235,20 @@ static void __devinit init_hwif_hpt366(ide_hwif_t *hwif) hwif->intrproc = &hpt3xx_intrproc; hwif->maskproc = &hpt3xx_maskproc; - if(info->flags & IS_372N) - hwif->rw_disk = &hpt372n_rw_disk; + /* + * HPT3xxN chips have some complications: + * + * - on 33 MHz PCI we must clock switch + * - on 66 MHz PCI we must NOT use the PCI clock + */ + if ((info->flags & (IS_3xxN | PCI_66MHZ)) == IS_3xxN) { + /* + * Clock is shared between the channels, + * so we'll have to serialize them... :-( + */ + serialize = 1; + hwif->rw_disk = &hpt3xxn_rw_disk; + } /* * The HPT37x uses the CBLID pins as outputs for MA15/MA16 @@ -1418,29 +1291,15 @@ static void __devinit init_hwif_hpt366(ide_hwif_t *hwif) PCI_FUNC(hwif->pci_dev->devfn)); #endif /* DEBUG */ -#ifdef HPT_SERIALIZE_IO - /* serialize access to this device */ - if (hwif->mate) + /* Serialize access to this device */ + if (serialize && hwif->mate) hwif->serialized = hwif->mate->serialized = 1; -#endif - if (info->revision >= 3) { - u8 reg5ah = 0; - pci_write_config_byte(dev, 0x5a, reg5ah & ~0x10); - /* - * set up ioctl for power status. - * note: power affects both - * drives on each channel - */ - hwif->resetproc = &hpt3xx_reset; - hwif->busproc = &hpt370_busproc; - } else if (info->revision >= 2) { - hwif->resetproc = &hpt3xx_reset; - hwif->busproc = &hpt3xx_tristate; - } else { - hwif->resetproc = &hpt3xx_reset; - hwif->busproc = &hpt3xx_tristate; - } + /* + * Set up ioctl for power status. + * NOTE: power affects both drives on each channel. + */ + hwif->busproc = &hpt3xx_busproc; if (!hwif->dma_base) { hwif->drives[0].autotune = 1; @@ -1490,7 +1349,7 @@ static void __devinit init_dma_hpt366(ide_hwif_t *hwif, unsigned long dmabase) return; if(info->speed == NULL) { - printk(KERN_WARNING "hpt: no known IDE timings, disabling DMA.\n"); + printk(KERN_WARNING "hpt366: no known IDE timings, disabling DMA.\n"); return; } @@ -1519,9 +1378,10 @@ static void __devinit init_dma_hpt366(ide_hwif_t *hwif, unsigned long dmabase) static void __devinit init_iops_hpt366(ide_hwif_t *hwif) { - struct hpt_info *info = kzalloc(sizeof(struct hpt_info), GFP_KERNEL); - unsigned long dmabase = pci_resource_start(hwif->pci_dev, 4); - u8 did, rid; + struct hpt_info *info = kzalloc(sizeof(struct hpt_info), GFP_KERNEL); + struct pci_dev *dev = hwif->pci_dev; + u16 did = dev->device; + u8 rid = 0; if(info == NULL) { printk(KERN_WARNING "hpt366: out of memory.\n"); @@ -1529,15 +1389,22 @@ static void __devinit init_iops_hpt366(ide_hwif_t *hwif) } ide_set_hwifdata(hwif, info); - if(dmabase) { - did = inb(dmabase + 0x22); - rid = inb(dmabase + 0x28); - - if((did == 4 && rid == 6) || (did == 5 && rid > 1)) - info->flags |= IS_372N; + /* Avoid doing the same thing twice. */ + if (hwif->channel && hwif->mate) { + memcpy(info, ide_get_hwifdata(hwif->mate), sizeof(struct hpt_info)); + return; } - info->revision = hpt_revision(hwif->pci_dev); + pci_read_config_byte(dev, PCI_CLASS_REVISION, &rid); + + if (( did == PCI_DEVICE_ID_TTI_HPT366 && rid == 6) || + ((did == PCI_DEVICE_ID_TTI_HPT372 || + did == PCI_DEVICE_ID_TTI_HPT302 || + did == PCI_DEVICE_ID_TTI_HPT371) && rid > 1) || + did == PCI_DEVICE_ID_TTI_HPT372N) + info->flags |= IS_3xxN; + + info->revision = hpt_revision(dev); if (info->revision >= 3) hpt37x_clocking(hwif); @@ -1574,6 +1441,23 @@ static int __devinit init_setup_hpt37x(struct pci_dev *dev, ide_pci_device_t *d) return ide_setup_pci_device(dev, d); } +static int __devinit init_setup_hpt371(struct pci_dev *dev, ide_pci_device_t *d) +{ + u8 mcr1 = 0; + + /* + * HPT371 chips physically have only one channel, the secondary one, + * but the primary channel registers do exist! Go figure... + * So, we manually disable the non-existing channel here + * (if the BIOS hasn't done this already). + */ + pci_read_config_byte(dev, 0x50, &mcr1); + if (mcr1 & 0x04) + pci_write_config_byte(dev, 0x50, (mcr1 & ~0x04)); + + return ide_setup_pci_device(dev, d); +} + static int __devinit init_setup_hpt366(struct pci_dev *dev, ide_pci_device_t *d) { struct pci_dev *findev = NULL; @@ -1661,13 +1545,14 @@ static ide_pci_device_t hpt366_chipsets[] __devinitdata = { .bootable = OFF_BOARD, },{ /* 3 */ .name = "HPT371", - .init_setup = init_setup_hpt37x, + .init_setup = init_setup_hpt371, .init_chipset = init_chipset_hpt366, .init_iops = init_iops_hpt366, .init_hwif = init_hwif_hpt366, .init_dma = init_dma_hpt366, .channels = 2, .autodma = AUTODMA, + .enablebits = {{0x50,0x04,0x04}, {0x54,0x04,0x04}}, .bootable = OFF_BOARD, },{ /* 4 */ .name = "HPT374", @@ -1699,13 +1584,16 @@ static ide_pci_device_t hpt366_chipsets[] __devinitdata = { * * Called when the PCI registration layer (or the IDE initialization) * finds a device matching our IDE device tables. + * + * NOTE: since we'll have to modify some fields of the ide_pci_device_t + * structure depending on the chip's revision, we'd better pass a local + * copy down the call chain... */ - static int __devinit hpt366_init_one(struct pci_dev *dev, const struct pci_device_id *id) { - ide_pci_device_t *d = &hpt366_chipsets[id->driver_data]; + ide_pci_device_t d = hpt366_chipsets[id->driver_data]; - return d->init_setup(dev, d); + return d.init_setup(dev, &d); } static struct pci_device_id hpt366_pci_tbl[] = { diff --git a/drivers/infiniband/hw/mthca/mthca_main.c b/drivers/infiniband/hw/mthca/mthca_main.c index 0491ec7a7c0a0..44bc6cc734abf 100644 --- a/drivers/infiniband/hw/mthca/mthca_main.c +++ b/drivers/infiniband/hw/mthca/mthca_main.c @@ -80,24 +80,61 @@ static int tune_pci = 0; module_param(tune_pci, int, 0444); MODULE_PARM_DESC(tune_pci, "increase PCI burst from the default set by BIOS if nonzero"); -struct mutex mthca_device_mutex; +DEFINE_MUTEX(mthca_device_mutex); + +#define MTHCA_DEFAULT_NUM_QP (1 << 16) +#define MTHCA_DEFAULT_RDB_PER_QP (1 << 2) +#define MTHCA_DEFAULT_NUM_CQ (1 << 16) +#define MTHCA_DEFAULT_NUM_MCG (1 << 13) +#define MTHCA_DEFAULT_NUM_MPT (1 << 17) +#define MTHCA_DEFAULT_NUM_MTT (1 << 20) +#define MTHCA_DEFAULT_NUM_UDAV (1 << 15) +#define MTHCA_DEFAULT_NUM_RESERVED_MTTS (1 << 18) +#define MTHCA_DEFAULT_NUM_UARC_SIZE (1 << 18) + +static struct mthca_profile hca_profile = { + .num_qp = MTHCA_DEFAULT_NUM_QP, + .rdb_per_qp = MTHCA_DEFAULT_RDB_PER_QP, + .num_cq = MTHCA_DEFAULT_NUM_CQ, + .num_mcg = MTHCA_DEFAULT_NUM_MCG, + .num_mpt = MTHCA_DEFAULT_NUM_MPT, + .num_mtt = MTHCA_DEFAULT_NUM_MTT, + .num_udav = MTHCA_DEFAULT_NUM_UDAV, /* Tavor only */ + .fmr_reserved_mtts = MTHCA_DEFAULT_NUM_RESERVED_MTTS, /* Tavor only */ + .uarc_size = MTHCA_DEFAULT_NUM_UARC_SIZE, /* Arbel only */ +}; + +module_param_named(num_qp, hca_profile.num_qp, int, 0444); +MODULE_PARM_DESC(num_qp, "maximum number of QPs per HCA"); + +module_param_named(rdb_per_qp, hca_profile.rdb_per_qp, int, 0444); +MODULE_PARM_DESC(rdb_per_qp, "number of RDB buffers per QP"); + +module_param_named(num_cq, hca_profile.num_cq, int, 0444); +MODULE_PARM_DESC(num_cq, "maximum number of CQs per HCA"); + +module_param_named(num_mcg, hca_profile.num_mcg, int, 0444); +MODULE_PARM_DESC(num_mcg, "maximum number of multicast groups per HCA"); + +module_param_named(num_mpt, hca_profile.num_mpt, int, 0444); +MODULE_PARM_DESC(num_mpt, + "maximum number of memory protection table entries per HCA"); + +module_param_named(num_mtt, hca_profile.num_mtt, int, 0444); +MODULE_PARM_DESC(num_mtt, + "maximum number of memory translation table segments per HCA"); + +module_param_named(num_udav, hca_profile.num_udav, int, 0444); +MODULE_PARM_DESC(num_udav, "maximum number of UD address vectors per HCA"); + +module_param_named(fmr_reserved_mtts, hca_profile.fmr_reserved_mtts, int, 0444); +MODULE_PARM_DESC(fmr_reserved_mtts, + "number of memory translation table segments reserved for FMR"); static const char mthca_version[] __devinitdata = DRV_NAME ": Mellanox InfiniBand HCA driver v" DRV_VERSION " (" DRV_RELDATE ")\n"; -static struct mthca_profile default_profile = { - .num_qp = 1 << 16, - .rdb_per_qp = 4, - .num_cq = 1 << 16, - .num_mcg = 1 << 13, - .num_mpt = 1 << 17, - .num_mtt = 1 << 20, - .num_udav = 1 << 15, /* Tavor only */ - .fmr_reserved_mtts = 1 << 18, /* Tavor only */ - .uarc_size = 1 << 18, /* Arbel only */ -}; - static int mthca_tune_pci(struct mthca_dev *mdev) { int cap; @@ -303,7 +340,7 @@ static int mthca_init_tavor(struct mthca_dev *mdev) goto err_disable; } - profile = default_profile; + profile = hca_profile; profile.num_uar = dev_lim.uar_size / PAGE_SIZE; profile.uarc_size = 0; if (mdev->mthca_flags & MTHCA_FLAG_SRQ) @@ -621,7 +658,7 @@ static int mthca_init_arbel(struct mthca_dev *mdev) goto err_stop_fw; } - profile = default_profile; + profile = hca_profile; profile.num_uar = dev_lim.uar_size / PAGE_SIZE; profile.num_udav = 0; if (mdev->mthca_flags & MTHCA_FLAG_SRQ) @@ -1278,11 +1315,55 @@ static struct pci_driver mthca_driver = { .remove = __devexit_p(mthca_remove_one) }; +static void __init __mthca_check_profile_val(const char *name, int *pval, + int pval_default) +{ + /* value must be positive and power of 2 */ + int old_pval = *pval; + + if (old_pval <= 0) + *pval = pval_default; + else + *pval = roundup_pow_of_two(old_pval); + + if (old_pval != *pval) { + printk(KERN_WARNING PFX "Invalid value %d for %s in module parameter.\n", + old_pval, name); + printk(KERN_WARNING PFX "Corrected %s to %d.\n", name, *pval); + } +} + +#define mthca_check_profile_val(name, default) \ + __mthca_check_profile_val(#name, &hca_profile.name, default) + +static void __init mthca_validate_profile(void) +{ + mthca_check_profile_val(num_qp, MTHCA_DEFAULT_NUM_QP); + mthca_check_profile_val(rdb_per_qp, MTHCA_DEFAULT_RDB_PER_QP); + mthca_check_profile_val(num_cq, MTHCA_DEFAULT_NUM_CQ); + mthca_check_profile_val(num_mcg, MTHCA_DEFAULT_NUM_MCG); + mthca_check_profile_val(num_mpt, MTHCA_DEFAULT_NUM_MPT); + mthca_check_profile_val(num_mtt, MTHCA_DEFAULT_NUM_MTT); + mthca_check_profile_val(num_udav, MTHCA_DEFAULT_NUM_UDAV); + mthca_check_profile_val(fmr_reserved_mtts, MTHCA_DEFAULT_NUM_RESERVED_MTTS); + + if (hca_profile.fmr_reserved_mtts >= hca_profile.num_mtt) { + printk(KERN_WARNING PFX "Invalid fmr_reserved_mtts module parameter %d.\n", + hca_profile.fmr_reserved_mtts); + printk(KERN_WARNING PFX "(Must be smaller than num_mtt %d)\n", + hca_profile.num_mtt); + hca_profile.fmr_reserved_mtts = hca_profile.num_mtt / 2; + printk(KERN_WARNING PFX "Corrected fmr_reserved_mtts to %d.\n", + hca_profile.fmr_reserved_mtts); + } +} + static int __init mthca_init(void) { int ret; - mutex_init(&mthca_device_mutex); + mthca_validate_profile(); + ret = mthca_catas_init(); if (ret) return ret; diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c index e9b6a6f07dd72..cdecbf5911c8f 100644 --- a/drivers/infiniband/ulp/srp/ib_srp.c +++ b/drivers/infiniband/ulp/srp/ib_srp.c @@ -1898,7 +1898,7 @@ static void srp_add_one(struct ib_device *device) */ srp_dev->fmr_page_shift = max(9, ffs(dev_attr->page_size_cap) - 1); srp_dev->fmr_page_size = 1 << srp_dev->fmr_page_shift; - srp_dev->fmr_page_mask = ~((unsigned long) srp_dev->fmr_page_size - 1); + srp_dev->fmr_page_mask = ~((u64) srp_dev->fmr_page_size - 1); INIT_LIST_HEAD(&srp_dev->dev_list); diff --git a/drivers/infiniband/ulp/srp/ib_srp.h b/drivers/infiniband/ulp/srp/ib_srp.h index 868a540ef7cd3..c21772317b869 100644 --- a/drivers/infiniband/ulp/srp/ib_srp.h +++ b/drivers/infiniband/ulp/srp/ib_srp.h @@ -87,7 +87,7 @@ struct srp_device { struct ib_fmr_pool *fmr_pool; int fmr_page_shift; int fmr_page_size; - unsigned long fmr_page_mask; + u64 fmr_page_mask; }; struct srp_host { diff --git a/drivers/input/keyboard/amikbd.c b/drivers/input/keyboard/amikbd.c index 16583d71753b9..c67e84ec2d6a5 100644 --- a/drivers/input/keyboard/amikbd.c +++ b/drivers/input/keyboard/amikbd.c @@ -187,7 +187,7 @@ static irqreturn_t amikbd_interrupt(int irq, void *dummy) static int __init amikbd_init(void) { - int i, j; + int i, j, err; if (!AMIGAHW_PRESENT(AMI_KEYBOARD)) return -ENODEV; diff --git a/drivers/input/keyboard/hilkbd.c b/drivers/input/keyboard/hilkbd.c index 54bc569db4b01..35461eab2fafc 100644 --- a/drivers/input/keyboard/hilkbd.c +++ b/drivers/input/keyboard/hilkbd.c @@ -23,7 +23,12 @@ #include <linux/init.h> #include <linux/interrupt.h> #include <linux/hil.h> +#include <linux/io.h> #include <linux/spinlock.h> +#include <asm/irq.h> +#ifdef CONFIG_HP300 +#include <asm/hwtest.h> +#endif MODULE_AUTHOR("Philip Blundell, Matthew Wilcox, Helge Deller"); diff --git a/drivers/input/keyboard/sunkbd.c b/drivers/input/keyboard/sunkbd.c index 3826db9403e63..cc02383664140 100644 --- a/drivers/input/keyboard/sunkbd.c +++ b/drivers/input/keyboard/sunkbd.c @@ -225,7 +225,7 @@ static void sunkbd_reinit(struct work_struct *work) static void sunkbd_enable(struct sunkbd *sunkbd, int enable) { serio_pause_rx(sunkbd->serio); - sunkbd->enabled = 1; + sunkbd->enabled = enable; serio_continue_rx(sunkbd->serio); } diff --git a/drivers/isdn/act2000/act2000_isa.c b/drivers/isdn/act2000/act2000_isa.c index 3cac23739344c..09ea50dd3459d 100644 --- a/drivers/isdn/act2000/act2000_isa.c +++ b/drivers/isdn/act2000/act2000_isa.c @@ -408,7 +408,7 @@ act2000_isa_download(act2000_card * card, act2000_ddef __user * cb) p = cblock.buffer; if (!access_ok(VERIFY_READ, p, length)) return -EFAULT; - buf = (u_char *) kmalloc(1024, GFP_KERNEL); + buf = kmalloc(1024, GFP_KERNEL); if (!buf) return -ENOMEM; timeout = 0; diff --git a/drivers/isdn/capi/capidrv.c b/drivers/isdn/capi/capidrv.c index 097bfa7bc323a..c4d438c17dabf 100644 --- a/drivers/isdn/capi/capidrv.c +++ b/drivers/isdn/capi/capidrv.c @@ -2013,7 +2013,7 @@ static int capidrv_addcontr(u16 contr, struct capi_profile *profp) strcpy(card->name, id); card->contrnr = contr; card->nbchan = profp->nbchannel; - card->bchans = (capidrv_bchan *) kmalloc(sizeof(capidrv_bchan) * card->nbchan, GFP_ATOMIC); + card->bchans = kmalloc(sizeof(capidrv_bchan) * card->nbchan, GFP_ATOMIC); if (!card->bchans) { printk(KERN_WARNING "capidrv: (%s) Could not allocate bchan-structs.\n", id); diff --git a/drivers/isdn/divert/divert_procfs.c b/drivers/isdn/divert/divert_procfs.c index 399b316111f72..06967da7c4a8f 100644 --- a/drivers/isdn/divert/divert_procfs.c +++ b/drivers/isdn/divert/divert_procfs.c @@ -45,7 +45,7 @@ put_info_buffer(char *cp) return; if (!*cp) return; - if (!(ib = (struct divert_info *) kmalloc(sizeof(struct divert_info) + strlen(cp), GFP_ATOMIC))) + if (!(ib = kmalloc(sizeof(struct divert_info) + strlen(cp), GFP_ATOMIC))) return; /* no memory */ strcpy(ib->info_start, cp); /* set output string */ ib->next = NULL; diff --git a/drivers/isdn/divert/isdn_divert.c b/drivers/isdn/divert/isdn_divert.c index 03319ea5aa0cd..7d97d54588d94 100644 --- a/drivers/isdn/divert/isdn_divert.c +++ b/drivers/isdn/divert/isdn_divert.c @@ -153,7 +153,7 @@ int cf_command(int drvid, int mode, *ielenp = p - ielenp - 1; /* set total IE length */ /* allocate mem for information struct */ - if (!(cs = (struct call_struc *) kmalloc(sizeof(struct call_struc), GFP_ATOMIC))) + if (!(cs = kmalloc(sizeof(struct call_struc), GFP_ATOMIC))) return(-ENOMEM); /* no memory */ init_timer(&cs->timer); cs->info[0] = '\0'; @@ -276,7 +276,7 @@ int insertrule(int idx, divert_rule *newrule) { struct deflect_struc *ds,*ds1=NULL; unsigned long flags; - if (!(ds = (struct deflect_struc *) kmalloc(sizeof(struct deflect_struc), + if (!(ds = kmalloc(sizeof(struct deflect_struc), GFP_KERNEL))) return(-ENOMEM); /* no memory */ @@ -451,7 +451,7 @@ static int isdn_divert_icall(isdn_ctrl *ic) if (dv->rule.action == DEFLECT_PROCEED) if ((!if_used) || ((!extern_wait_max) && (!dv->rule.waittime))) return(0); /* no external deflection needed */ - if (!(cs = (struct call_struc *) kmalloc(sizeof(struct call_struc), GFP_ATOMIC))) + if (!(cs = kmalloc(sizeof(struct call_struc), GFP_ATOMIC))) return(0); /* no memory */ init_timer(&cs->timer); cs->info[0] = '\0'; diff --git a/drivers/isdn/gigaset/bas-gigaset.c b/drivers/isdn/gigaset/bas-gigaset.c index 63b629b1cdb2b..b5e7f9c7d74e6 100644 --- a/drivers/isdn/gigaset/bas-gigaset.c +++ b/drivers/isdn/gigaset/bas-gigaset.c @@ -1853,20 +1853,24 @@ static int gigaset_write_cmd(struct cardstate *cs, { struct cmdbuf_t *cb; unsigned long flags; - int status; + int rc; gigaset_dbg_buffer(atomic_read(&cs->mstate) != MS_LOCKED ? DEBUG_TRANSCMD : DEBUG_LOCKCMD, "CMD Transmit", len, buf); - if (len <= 0) - return 0; /* nothing to do */ + if (len <= 0) { + /* nothing to do */ + rc = 0; + goto notqueued; + } if (len > IF_WRITEBUF) len = IF_WRITEBUF; if (!(cb = kmalloc(sizeof(struct cmdbuf_t) + len, GFP_ATOMIC))) { dev_err(cs->dev, "%s: out of memory\n", __func__); - return -ENOMEM; + rc = -ENOMEM; + goto notqueued; } memcpy(cb->buf, buf, len); @@ -1891,11 +1895,21 @@ static int gigaset_write_cmd(struct cardstate *cs, if (unlikely(!cs->connected)) { spin_unlock_irqrestore(&cs->lock, flags); gig_dbg(DEBUG_USBREQ, "%s: not connected", __func__); + /* flush command queue */ + spin_lock_irqsave(&cs->cmdlock, flags); + while (cs->cmdbuf != NULL) + complete_cb(cs); + spin_unlock_irqrestore(&cs->cmdlock, flags); return -ENODEV; } - status = start_cbsend(cs); + rc = start_cbsend(cs); spin_unlock_irqrestore(&cs->lock, flags); - return status < 0 ? status : len; + return rc < 0 ? rc : len; + +notqueued: /* request handled without queuing */ + if (wake_tasklet) + tasklet_schedule(wake_tasklet); + return rc; } /* gigaset_write_room @@ -1964,20 +1978,15 @@ static int gigaset_freebcshw(struct bc_state *bcs) /* kill URBs and tasklets before freeing - better safe than sorry */ atomic_set(&ubc->running, 0); - for (i = 0; i < BAS_OUTURBS; ++i) - if (ubc->isoouturbs[i].urb) { - gig_dbg(DEBUG_INIT, "%s: killing iso out URB %d", - __func__, i); - usb_kill_urb(ubc->isoouturbs[i].urb); - usb_free_urb(ubc->isoouturbs[i].urb); - } - for (i = 0; i < BAS_INURBS; ++i) - if (ubc->isoinurbs[i]) { - gig_dbg(DEBUG_INIT, "%s: killing iso in URB %d", - __func__, i); - usb_kill_urb(ubc->isoinurbs[i]); - usb_free_urb(ubc->isoinurbs[i]); - } + gig_dbg(DEBUG_INIT, "%s: killing iso URBs", __func__); + for (i = 0; i < BAS_OUTURBS; ++i) { + usb_kill_urb(ubc->isoouturbs[i].urb); + usb_free_urb(ubc->isoouturbs[i].urb); + } + for (i = 0; i < BAS_INURBS; ++i) { + usb_kill_urb(ubc->isoinurbs[i]); + usb_free_urb(ubc->isoinurbs[i]); + } tasklet_kill(&ubc->sent_tasklet); tasklet_kill(&ubc->rcvd_tasklet); kfree(ubc->isooutbuf); @@ -2099,55 +2108,32 @@ static void freeurbs(struct cardstate *cs) struct bas_bc_state *ubc; int i, j; + gig_dbg(DEBUG_INIT, "%s: killing URBs", __func__); for (j = 0; j < 2; ++j) { ubc = cs->bcs[j].hw.bas; - for (i = 0; i < BAS_OUTURBS; ++i) - if (ubc->isoouturbs[i].urb) { - usb_kill_urb(ubc->isoouturbs[i].urb); - gig_dbg(DEBUG_INIT, - "%s: isoc output URB %d/%d unlinked", - __func__, j, i); - usb_free_urb(ubc->isoouturbs[i].urb); - ubc->isoouturbs[i].urb = NULL; - } - for (i = 0; i < BAS_INURBS; ++i) - if (ubc->isoinurbs[i]) { - usb_kill_urb(ubc->isoinurbs[i]); - gig_dbg(DEBUG_INIT, - "%s: isoc input URB %d/%d unlinked", - __func__, j, i); - usb_free_urb(ubc->isoinurbs[i]); - ubc->isoinurbs[i] = NULL; - } - } - if (ucs->urb_int_in) { - usb_kill_urb(ucs->urb_int_in); - gig_dbg(DEBUG_INIT, "%s: interrupt input URB unlinked", - __func__); - usb_free_urb(ucs->urb_int_in); - ucs->urb_int_in = NULL; - } - if (ucs->urb_cmd_out) { - usb_kill_urb(ucs->urb_cmd_out); - gig_dbg(DEBUG_INIT, "%s: command output URB unlinked", - __func__); - usb_free_urb(ucs->urb_cmd_out); - ucs->urb_cmd_out = NULL; - } - if (ucs->urb_cmd_in) { - usb_kill_urb(ucs->urb_cmd_in); - gig_dbg(DEBUG_INIT, "%s: command input URB unlinked", - __func__); - usb_free_urb(ucs->urb_cmd_in); - ucs->urb_cmd_in = NULL; - } - if (ucs->urb_ctrl) { - usb_kill_urb(ucs->urb_ctrl); - gig_dbg(DEBUG_INIT, "%s: control output URB unlinked", - __func__); - usb_free_urb(ucs->urb_ctrl); - ucs->urb_ctrl = NULL; + for (i = 0; i < BAS_OUTURBS; ++i) { + usb_kill_urb(ubc->isoouturbs[i].urb); + usb_free_urb(ubc->isoouturbs[i].urb); + ubc->isoouturbs[i].urb = NULL; + } + for (i = 0; i < BAS_INURBS; ++i) { + usb_kill_urb(ubc->isoinurbs[i]); + usb_free_urb(ubc->isoinurbs[i]); + ubc->isoinurbs[i] = NULL; + } } + usb_kill_urb(ucs->urb_int_in); + usb_free_urb(ucs->urb_int_in); + ucs->urb_int_in = NULL; + usb_kill_urb(ucs->urb_cmd_out); + usb_free_urb(ucs->urb_cmd_out); + ucs->urb_cmd_out = NULL; + usb_kill_urb(ucs->urb_cmd_in); + usb_free_urb(ucs->urb_cmd_in); + ucs->urb_cmd_in = NULL; + usb_kill_urb(ucs->urb_ctrl); + usb_free_urb(ucs->urb_ctrl); + ucs->urb_ctrl = NULL; } /* gigaset_probe diff --git a/drivers/isdn/hysdn/hysdn_procconf.c b/drivers/isdn/hysdn/hysdn_procconf.c index 8e2b03889f3cb..94a935089119b 100644 --- a/drivers/isdn/hysdn/hysdn_procconf.c +++ b/drivers/isdn/hysdn/hysdn_procconf.c @@ -275,7 +275,7 @@ hysdn_conf_open(struct inode *ino, struct file *filep) } else if ((filep->f_mode & (FMODE_READ | FMODE_WRITE)) == FMODE_READ) { /* read access -> output card info data */ - if (!(tmp = (char *) kmalloc(INFO_OUT_LEN * 2 + 2, GFP_KERNEL))) { + if (!(tmp = kmalloc(INFO_OUT_LEN * 2 + 2, GFP_KERNEL))) { unlock_kernel(); return (-EFAULT); /* out of memory */ } diff --git a/drivers/isdn/hysdn/hysdn_proclog.c b/drivers/isdn/hysdn/hysdn_proclog.c index f241f5e551cbf..375d956884d73 100644 --- a/drivers/isdn/hysdn/hysdn_proclog.c +++ b/drivers/isdn/hysdn/hysdn_proclog.c @@ -111,7 +111,7 @@ put_log_buffer(hysdn_card * card, char *cp) if (pd->if_used <= 0) return; /* no open file for read */ - if (!(ib = (struct log_data *) kmalloc(sizeof(struct log_data) + strlen(cp), GFP_ATOMIC))) + if (!(ib = kmalloc(sizeof(struct log_data) + strlen(cp), GFP_ATOMIC))) return; /* no memory */ strcpy(ib->log_start, cp); /* set output string */ ib->next = NULL; diff --git a/drivers/isdn/i4l/isdn_audio.c b/drivers/isdn/i4l/isdn_audio.c index 2cc56d6a9fae7..fb350c567c6ba 100644 --- a/drivers/isdn/i4l/isdn_audio.c +++ b/drivers/isdn/i4l/isdn_audio.c @@ -328,7 +328,7 @@ adpcm_state * isdn_audio_adpcm_init(adpcm_state * s, int nbits) { if (!s) - s = (adpcm_state *) kmalloc(sizeof(adpcm_state), GFP_ATOMIC); + s = kmalloc(sizeof(adpcm_state), GFP_ATOMIC); if (s) { s->a = 0; s->d = 5; @@ -343,7 +343,7 @@ dtmf_state * isdn_audio_dtmf_init(dtmf_state * s) { if (!s) - s = (dtmf_state *) kmalloc(sizeof(dtmf_state), GFP_ATOMIC); + s = kmalloc(sizeof(dtmf_state), GFP_ATOMIC); if (s) { s->idx = 0; s->last = ' '; @@ -621,7 +621,7 @@ silence_state * isdn_audio_silence_init(silence_state * s) { if (!s) - s = (silence_state *) kmalloc(sizeof(silence_state), GFP_ATOMIC); + s = kmalloc(sizeof(silence_state), GFP_ATOMIC); if (s) { s->idx = 0; s->state = 0; diff --git a/drivers/isdn/i4l/isdn_net.c b/drivers/isdn/i4l/isdn_net.c index c36c817578cbe..838b3734e2b6d 100644 --- a/drivers/isdn/i4l/isdn_net.c +++ b/drivers/isdn/i4l/isdn_net.c @@ -2948,7 +2948,7 @@ isdn_net_addphone(isdn_net_ioctl_phone * phone) isdn_net_phone *n; if (p) { - if (!(n = (isdn_net_phone *) kmalloc(sizeof(isdn_net_phone), GFP_KERNEL))) + if (!(n = kmalloc(sizeof(isdn_net_phone), GFP_KERNEL))) return -ENOMEM; strcpy(n->num, phone->phone); n->next = p->local->phone[phone->outgoing & 1]; diff --git a/drivers/isdn/i4l/isdn_ppp.c b/drivers/isdn/i4l/isdn_ppp.c index 43811795b46bf..1726131b20be1 100644 --- a/drivers/isdn/i4l/isdn_ppp.c +++ b/drivers/isdn/i4l/isdn_ppp.c @@ -717,7 +717,7 @@ isdn_ppp_fill_rq(unsigned char *buf, int len, int proto, int slot) printk(KERN_DEBUG "ippp: device not activated.\n"); return 0; } - nbuf = (unsigned char *) kmalloc(len + 4, GFP_ATOMIC); + nbuf = kmalloc(len + 4, GFP_ATOMIC); if (!nbuf) { printk(KERN_WARNING "ippp: Can't alloc buf\n"); return 0; diff --git a/drivers/isdn/pcbit/layer2.c b/drivers/isdn/pcbit/layer2.c index 6ff85574e941f..eafcce5e656a7 100644 --- a/drivers/isdn/pcbit/layer2.c +++ b/drivers/isdn/pcbit/layer2.c @@ -100,7 +100,7 @@ pcbit_l2_write(struct pcbit_dev *dev, ulong msg, ushort refnum, dev_kfree_skb(skb); return -1; } - if ((frame = (struct frame_buf *) kmalloc(sizeof(struct frame_buf), + if ((frame = kmalloc(sizeof(struct frame_buf), GFP_ATOMIC)) == NULL) { printk(KERN_WARNING "pcbit_2_write: kmalloc failed\n"); dev_kfree_skb(skb); diff --git a/drivers/kvm/Kconfig b/drivers/kvm/Kconfig index 36412e90f09b9..703cc88d1ef97 100644 --- a/drivers/kvm/Kconfig +++ b/drivers/kvm/Kconfig @@ -1,6 +1,8 @@ # # KVM configuration # +menu "Virtualization" + config KVM tristate "Kernel-based Virtual Machine (KVM) support" depends on X86 && EXPERIMENTAL @@ -31,3 +33,5 @@ config KVM_AMD ---help--- Provides support for KVM on AMD processors equipped with the AMD-V (SVM) extensions. + +endmenu diff --git a/drivers/kvm/kvm.h b/drivers/kvm/kvm.h index 5785d0870ab6e..930e04ce1af63 100644 --- a/drivers/kvm/kvm.h +++ b/drivers/kvm/kvm.h @@ -140,7 +140,7 @@ enum { VCPU_REGS_RBP = 5, VCPU_REGS_RSI = 6, VCPU_REGS_RDI = 7, -#ifdef __x86_64__ +#ifdef CONFIG_X86_64 VCPU_REGS_R8 = 8, VCPU_REGS_R9 = 9, VCPU_REGS_R10 = 10, @@ -375,7 +375,7 @@ void set_cr4(struct kvm_vcpu *vcpu, unsigned long cr0); void set_cr8(struct kvm_vcpu *vcpu, unsigned long cr0); void lmsw(struct kvm_vcpu *vcpu, unsigned long msw); -#ifdef __x86_64__ +#ifdef CONFIG_X86_64 void set_efer(struct kvm_vcpu *vcpu, u64 efer); #endif @@ -485,7 +485,7 @@ static inline unsigned long read_tr_base(void) return segment_base(tr); } -#ifdef __x86_64__ +#ifdef CONFIG_X86_64 static inline unsigned long read_msr(unsigned long msr) { u64 value; @@ -533,7 +533,7 @@ static inline u32 get_rdx_init_val(void) #define TSS_REDIRECTION_SIZE (256 / 8) #define RMODE_TSS_SIZE (TSS_BASE_SIZE + TSS_REDIRECTION_SIZE + TSS_IOPB_SIZE + 1) -#ifdef __x86_64__ +#ifdef CONFIG_X86_64 /* * When emulating 32-bit mode, cr3 is only 32 bits even on x86_64. Therefore diff --git a/drivers/kvm/kvm_main.c b/drivers/kvm/kvm_main.c index b6b8a41b5ec80..fd1bb870545c2 100644 --- a/drivers/kvm/kvm_main.c +++ b/drivers/kvm/kvm_main.c @@ -72,18 +72,7 @@ static struct dentry *debugfs_dir; #define CR8_RESEVED_BITS (~0x0fULL) #define EFER_RESERVED_BITS 0xfffffffffffff2fe -struct vmx_msr_entry *find_msr_entry(struct kvm_vcpu *vcpu, u32 msr) -{ - int i; - - for (i = 0; i < vcpu->nmsrs; ++i) - if (vcpu->guest_msrs[i].index == msr) - return &vcpu->guest_msrs[i]; - return 0; -} -EXPORT_SYMBOL_GPL(find_msr_entry); - -#ifdef __x86_64__ +#ifdef CONFIG_X86_64 // LDT or TSS descriptor in the GDT. 16 bytes. struct segment_descriptor_64 { struct segment_descriptor s; @@ -115,7 +104,7 @@ unsigned long segment_base(u16 selector) } d = (struct segment_descriptor *)(table_base + (selector & ~7)); v = d->base_low | ((ul)d->base_mid << 16) | ((ul)d->base_high << 24); -#ifdef __x86_64__ +#ifdef CONFIG_X86_64 if (d->system == 0 && (d->type == 2 || d->type == 9 || d->type == 11)) v |= ((ul)((struct segment_descriptor_64 *)d)->base_higher) << 32; @@ -216,7 +205,6 @@ static struct kvm_vcpu *vcpu_load(struct kvm *kvm, int vcpu_slot) static void vcpu_put(struct kvm_vcpu *vcpu) { kvm_arch_ops->vcpu_put(vcpu); - put_cpu(); mutex_unlock(&vcpu->mutex); } @@ -351,7 +339,7 @@ void set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0) } if (!is_paging(vcpu) && (cr0 & CR0_PG_MASK)) { -#ifdef __x86_64__ +#ifdef CONFIG_X86_64 if ((vcpu->shadow_efer & EFER_LME)) { int cs_db, cs_l; @@ -1120,12 +1108,10 @@ static int get_msr(struct kvm_vcpu *vcpu, u32 msr_index, u64 *pdata) return kvm_arch_ops->get_msr(vcpu, msr_index, pdata); } -#ifdef __x86_64__ +#ifdef CONFIG_X86_64 void set_efer(struct kvm_vcpu *vcpu, u64 efer) { - struct vmx_msr_entry *msr; - if (efer & EFER_RESERVED_BITS) { printk(KERN_DEBUG "set_efer: 0x%llx #GP, reserved bits\n", efer); @@ -1140,16 +1126,12 @@ void set_efer(struct kvm_vcpu *vcpu, u64 efer) return; } + kvm_arch_ops->set_efer(vcpu, efer); + efer &= ~EFER_LMA; efer |= vcpu->shadow_efer & EFER_LMA; vcpu->shadow_efer = efer; - - msr = find_msr_entry(vcpu, MSR_EFER); - - if (!(efer & EFER_LMA)) - efer &= ~EFER_LME; - msr->data = efer; } EXPORT_SYMBOL_GPL(set_efer); @@ -1243,7 +1225,7 @@ static int kvm_dev_ioctl_get_regs(struct kvm *kvm, struct kvm_regs *regs) regs->rdi = vcpu->regs[VCPU_REGS_RDI]; regs->rsp = vcpu->regs[VCPU_REGS_RSP]; regs->rbp = vcpu->regs[VCPU_REGS_RBP]; -#ifdef __x86_64__ +#ifdef CONFIG_X86_64 regs->r8 = vcpu->regs[VCPU_REGS_R8]; regs->r9 = vcpu->regs[VCPU_REGS_R9]; regs->r10 = vcpu->regs[VCPU_REGS_R10]; @@ -1287,7 +1269,7 @@ static int kvm_dev_ioctl_set_regs(struct kvm *kvm, struct kvm_regs *regs) vcpu->regs[VCPU_REGS_RDI] = regs->rdi; vcpu->regs[VCPU_REGS_RSP] = regs->rsp; vcpu->regs[VCPU_REGS_RBP] = regs->rbp; -#ifdef __x86_64__ +#ifdef CONFIG_X86_64 vcpu->regs[VCPU_REGS_R8] = regs->r8; vcpu->regs[VCPU_REGS_R9] = regs->r9; vcpu->regs[VCPU_REGS_R10] = regs->r10; @@ -1401,7 +1383,7 @@ static int kvm_dev_ioctl_set_sregs(struct kvm *kvm, struct kvm_sregs *sregs) vcpu->cr8 = sregs->cr8; mmu_reset_needed |= vcpu->shadow_efer != sregs->efer; -#ifdef __x86_64__ +#ifdef CONFIG_X86_64 kvm_arch_ops->set_efer(vcpu, sregs->efer); #endif vcpu->apic_base = sregs->apic_base; @@ -1434,7 +1416,7 @@ static int kvm_dev_ioctl_set_sregs(struct kvm *kvm, struct kvm_sregs *sregs) static u32 msrs_to_save[] = { MSR_IA32_SYSENTER_CS, MSR_IA32_SYSENTER_ESP, MSR_IA32_SYSENTER_EIP, MSR_K6_STAR, -#ifdef __x86_64__ +#ifdef CONFIG_X86_64 MSR_CSTAR, MSR_KERNEL_GS_BASE, MSR_SYSCALL_MASK, MSR_LSTAR, #endif MSR_IA32_TIME_STAMP_COUNTER, diff --git a/drivers/kvm/kvm_svm.h b/drivers/kvm/kvm_svm.h index 7d7f2aa10960d..74cc862f4935e 100644 --- a/drivers/kvm/kvm_svm.h +++ b/drivers/kvm/kvm_svm.h @@ -9,7 +9,7 @@ #include "kvm.h" static const u32 host_save_msrs[] = { -#ifdef __x86_64__ +#ifdef CONFIG_X86_64 MSR_STAR, MSR_LSTAR, MSR_CSTAR, MSR_SYSCALL_MASK, MSR_KERNEL_GS_BASE, MSR_FS_BASE, MSR_GS_BASE, #endif diff --git a/drivers/kvm/kvm_vmx.h b/drivers/kvm/kvm_vmx.h index 87e12d2bfa167..d139f73fb6e1f 100644 --- a/drivers/kvm/kvm_vmx.h +++ b/drivers/kvm/kvm_vmx.h @@ -1,7 +1,7 @@ #ifndef __KVM_VMX_H #define __KVM_VMX_H -#ifdef __x86_64__ +#ifdef CONFIG_X86_64 /* * avoid save/load MSR_SYSCALL_MASK and MSR_LSTAR by std vt * mechanism (cpu bug AA24) diff --git a/drivers/kvm/mmu.c b/drivers/kvm/mmu.c index 4e29d9b7211cf..3d367cbfe1f93 100644 --- a/drivers/kvm/mmu.c +++ b/drivers/kvm/mmu.c @@ -61,22 +61,9 @@ #define PT32_PTE_COPY_MASK \ - (PT_PRESENT_MASK | PT_PWT_MASK | PT_PCD_MASK | \ - PT_ACCESSED_MASK | PT_DIRTY_MASK | PT_PAT_MASK | \ - PT_GLOBAL_MASK ) - -#define PT32_NON_PTE_COPY_MASK \ - (PT_PRESENT_MASK | PT_PWT_MASK | PT_PCD_MASK | \ - PT_ACCESSED_MASK | PT_DIRTY_MASK) - - -#define PT64_PTE_COPY_MASK \ - (PT64_NX_MASK | PT32_PTE_COPY_MASK) - -#define PT64_NON_PTE_COPY_MASK \ - (PT64_NX_MASK | PT32_NON_PTE_COPY_MASK) - + (PT_PRESENT_MASK | PT_ACCESSED_MASK | PT_DIRTY_MASK | PT_GLOBAL_MASK) +#define PT64_PTE_COPY_MASK (PT64_NX_MASK | PT32_PTE_COPY_MASK) #define PT_FIRST_AVAIL_BITS_SHIFT 9 #define PT64_SECOND_AVAIL_BITS_SHIFT 52 diff --git a/drivers/kvm/paging_tmpl.h b/drivers/kvm/paging_tmpl.h index 765c2e1a048e1..a9771b4c5bb8f 100644 --- a/drivers/kvm/paging_tmpl.h +++ b/drivers/kvm/paging_tmpl.h @@ -32,7 +32,6 @@ #define SHADOW_PT_INDEX(addr, level) PT64_INDEX(addr, level) #define PT_LEVEL_MASK(level) PT64_LEVEL_MASK(level) #define PT_PTE_COPY_MASK PT64_PTE_COPY_MASK - #define PT_NON_PTE_COPY_MASK PT64_NON_PTE_COPY_MASK #elif PTTYPE == 32 #define pt_element_t u32 #define guest_walker guest_walker32 @@ -43,7 +42,6 @@ #define SHADOW_PT_INDEX(addr, level) PT64_INDEX(addr, level) #define PT_LEVEL_MASK(level) PT32_LEVEL_MASK(level) #define PT_PTE_COPY_MASK PT32_PTE_COPY_MASK - #define PT_NON_PTE_COPY_MASK PT32_NON_PTE_COPY_MASK #else #error Invalid PTTYPE value #endif @@ -105,9 +103,7 @@ static void FNAME(set_pde)(struct kvm_vcpu *vcpu, u64 guest_pde, if (PTTYPE == 32 && is_cpuid_PSE36()) gaddr |= (guest_pde & PT32_DIR_PSE36_MASK) << (32 - PT32_DIR_PSE36_SHIFT); - *shadow_pte = (guest_pde & (PT_NON_PTE_COPY_MASK | PT_GLOBAL_MASK)) | - ((guest_pde & PT_DIR_PAT_MASK) >> - (PT_DIR_PAT_SHIFT - PT_PAT_SHIFT)); + *shadow_pte = guest_pde & PT_PTE_COPY_MASK; set_pte_common(vcpu, shadow_pte, gaddr, guest_pde & PT_DIRTY_MASK, access_bits); } @@ -162,6 +158,7 @@ static u64 *FNAME(fetch)(struct kvm_vcpu *vcpu, gva_t addr, u32 index = SHADOW_PT_INDEX(addr, level); u64 *shadow_ent = ((u64 *)__va(shadow_addr)) + index; pt_element_t *guest_ent; + u64 shadow_pte; if (is_present_pte(*shadow_ent) || is_io_pte(*shadow_ent)) { if (level == PT_PAGE_TABLE_LEVEL) @@ -204,14 +201,11 @@ static u64 *FNAME(fetch)(struct kvm_vcpu *vcpu, gva_t addr, shadow_addr = kvm_mmu_alloc_page(vcpu, shadow_ent); if (!VALID_PAGE(shadow_addr)) return ERR_PTR(-ENOMEM); - if (!kvm_arch_ops->is_long_mode(vcpu) && level == 3) - *shadow_ent = shadow_addr | - (*guest_ent & (PT_PRESENT_MASK | PT_PWT_MASK | PT_PCD_MASK)); - else { - *shadow_ent = shadow_addr | - (*guest_ent & PT_NON_PTE_COPY_MASK); - *shadow_ent |= (PT_WRITABLE_MASK | PT_USER_MASK); - } + shadow_pte = shadow_addr | PT_PRESENT_MASK; + if (vcpu->mmu.root_level > 3 || level != 3) + shadow_pte |= PT_ACCESSED_MASK + | PT_WRITABLE_MASK | PT_USER_MASK; + *shadow_ent = shadow_pte; prev_shadow_ent = shadow_ent; } } diff --git a/drivers/kvm/svm.c b/drivers/kvm/svm.c index a33a89c68138a..0e6bc8c649ce9 100644 --- a/drivers/kvm/svm.c +++ b/drivers/kvm/svm.c @@ -287,7 +287,7 @@ static void svm_hardware_enable(void *garbage) struct svm_cpu_data *svm_data; uint64_t efer; -#ifdef __x86_64__ +#ifdef CONFIG_X86_64 struct desc_ptr gdt_descr; #else struct Xgt_desc_struct gdt_descr; @@ -377,6 +377,7 @@ static __init int svm_hardware_setup(void) void *msrpm_va; int r; + kvm_emulator_want_group7_invlpg(); iopm_pages = alloc_pages(GFP_KERNEL, IOPM_ALLOC_ORDER); @@ -397,7 +398,7 @@ static __init int svm_hardware_setup(void) memset(msrpm_va, 0xff, PAGE_SIZE * (1 << MSRPM_ALLOC_ORDER)); msrpm_base = page_to_pfn(msrpm_pages) << PAGE_SHIFT; -#ifdef __x86_64__ +#ifdef CONFIG_X86_64 set_msr_interception(msrpm_va, MSR_GS_BASE, 1, 1); set_msr_interception(msrpm_va, MSR_FS_BASE, 1, 1); set_msr_interception(msrpm_va, MSR_KERNEL_GS_BASE, 1, 1); @@ -704,7 +705,7 @@ static void svm_set_gdt(struct kvm_vcpu *vcpu, struct descriptor_table *dt) static void svm_set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0) { -#ifdef __x86_64__ +#ifdef CONFIG_X86_64 if (vcpu->shadow_efer & KVM_EFER_LME) { if (!is_paging(vcpu) && (cr0 & CR0_PG_MASK)) { vcpu->shadow_efer |= KVM_EFER_LMA; @@ -1097,7 +1098,7 @@ static int svm_get_msr(struct kvm_vcpu *vcpu, unsigned ecx, u64 *data) case MSR_IA32_APICBASE: *data = vcpu->apic_base; break; -#ifdef __x86_64__ +#ifdef CONFIG_X86_64 case MSR_STAR: *data = vcpu->svm->vmcb->save.star; break; @@ -1149,7 +1150,7 @@ static int rdmsr_interception(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) static int svm_set_msr(struct kvm_vcpu *vcpu, unsigned ecx, u64 data) { switch (ecx) { -#ifdef __x86_64__ +#ifdef CONFIG_X86_64 case MSR_EFER: set_efer(vcpu, data); break; @@ -1172,7 +1173,7 @@ static int svm_set_msr(struct kvm_vcpu *vcpu, unsigned ecx, u64 data) case MSR_IA32_APICBASE: vcpu->apic_base = data; break; -#ifdef __x86_64___ +#ifdef CONFIG_X86_64_ case MSR_STAR: vcpu->svm->vmcb->save.star = data; break; @@ -1345,53 +1346,18 @@ static void kvm_reput_irq(struct kvm_vcpu *vcpu) static void save_db_regs(unsigned long *db_regs) { -#ifdef __x86_64__ - asm ("mov %%dr0, %%rax \n\t" - "mov %%rax, %[dr0] \n\t" - "mov %%dr1, %%rax \n\t" - "mov %%rax, %[dr1] \n\t" - "mov %%dr2, %%rax \n\t" - "mov %%rax, %[dr2] \n\t" - "mov %%dr3, %%rax \n\t" - "mov %%rax, %[dr3] \n\t" - : [dr0] "=m"(db_regs[0]), - [dr1] "=m"(db_regs[1]), - [dr2] "=m"(db_regs[2]), - [dr3] "=m"(db_regs[3]) - : : "rax"); -#else - asm ("mov %%dr0, %%eax \n\t" - "mov %%eax, %[dr0] \n\t" - "mov %%dr1, %%eax \n\t" - "mov %%eax, %[dr1] \n\t" - "mov %%dr2, %%eax \n\t" - "mov %%eax, %[dr2] \n\t" - "mov %%dr3, %%eax \n\t" - "mov %%eax, %[dr3] \n\t" - : [dr0] "=m"(db_regs[0]), - [dr1] "=m"(db_regs[1]), - [dr2] "=m"(db_regs[2]), - [dr3] "=m"(db_regs[3]) - : : "eax"); -#endif + asm volatile ("mov %%dr0, %0" : "=r"(db_regs[0])); + asm volatile ("mov %%dr1, %0" : "=r"(db_regs[1])); + asm volatile ("mov %%dr2, %0" : "=r"(db_regs[2])); + asm volatile ("mov %%dr3, %0" : "=r"(db_regs[3])); } static void load_db_regs(unsigned long *db_regs) { - asm volatile ("mov %[dr0], %%dr0 \n\t" - "mov %[dr1], %%dr1 \n\t" - "mov %[dr2], %%dr2 \n\t" - "mov %[dr3], %%dr3 \n\t" - : - : [dr0] "r"(db_regs[0]), - [dr1] "r"(db_regs[1]), - [dr2] "r"(db_regs[2]), - [dr3] "r"(db_regs[3]) -#ifdef __x86_64__ - : "rax"); -#else - : "eax"); -#endif + asm volatile ("mov %0, %%dr0" : : "r"(db_regs[0])); + asm volatile ("mov %0, %%dr1" : : "r"(db_regs[1])); + asm volatile ("mov %0, %%dr2" : : "r"(db_regs[2])); + asm volatile ("mov %0, %%dr3" : : "r"(db_regs[3])); } static int svm_vcpu_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) @@ -1422,7 +1388,7 @@ again: load_db_regs(vcpu->svm->db_regs); } asm volatile ( -#ifdef __x86_64__ +#ifdef CONFIG_X86_64 "push %%rbx; push %%rcx; push %%rdx;" "push %%rsi; push %%rdi; push %%rbp;" "push %%r8; push %%r9; push %%r10; push %%r11;" @@ -1432,7 +1398,7 @@ again: "push %%esi; push %%edi; push %%ebp;" #endif -#ifdef __x86_64__ +#ifdef CONFIG_X86_64 "mov %c[rbx](%[vcpu]), %%rbx \n\t" "mov %c[rcx](%[vcpu]), %%rcx \n\t" "mov %c[rdx](%[vcpu]), %%rdx \n\t" @@ -1456,7 +1422,7 @@ again: "mov %c[rbp](%[vcpu]), %%ebp \n\t" #endif -#ifdef __x86_64__ +#ifdef CONFIG_X86_64 /* Enter guest mode */ "push %%rax \n\t" "mov %c[svm](%[vcpu]), %%rax \n\t" @@ -1477,7 +1443,7 @@ again: #endif /* Save guest registers, load host registers */ -#ifdef __x86_64__ +#ifdef CONFIG_X86_64 "mov %%rbx, %c[rbx](%[vcpu]) \n\t" "mov %%rcx, %c[rcx](%[vcpu]) \n\t" "mov %%rdx, %c[rdx](%[vcpu]) \n\t" @@ -1518,7 +1484,7 @@ again: [rsi]"i"(offsetof(struct kvm_vcpu, regs[VCPU_REGS_RSI])), [rdi]"i"(offsetof(struct kvm_vcpu, regs[VCPU_REGS_RDI])), [rbp]"i"(offsetof(struct kvm_vcpu, regs[VCPU_REGS_RBP])) -#ifdef __x86_64__ +#ifdef CONFIG_X86_64 ,[r8 ]"i"(offsetof(struct kvm_vcpu, regs[VCPU_REGS_R8 ])), [r9 ]"i"(offsetof(struct kvm_vcpu, regs[VCPU_REGS_R9 ])), [r10]"i"(offsetof(struct kvm_vcpu, regs[VCPU_REGS_R10])), @@ -1663,9 +1629,7 @@ static struct kvm_arch_ops svm_arch_ops = { static int __init svm_init(void) { - kvm_emulator_want_group7_invlpg(); - kvm_init_arch(&svm_arch_ops, THIS_MODULE); - return 0; + return kvm_init_arch(&svm_arch_ops, THIS_MODULE); } static void __exit svm_exit(void) diff --git a/drivers/kvm/vmx.c b/drivers/kvm/vmx.c index bda7a7ae21676..f0f0b1a781f81 100644 --- a/drivers/kvm/vmx.c +++ b/drivers/kvm/vmx.c @@ -22,6 +22,7 @@ #include <linux/mm.h> #include <linux/highmem.h> #include <asm/io.h> +#include <asm/desc.h> #include "segment_descriptor.h" @@ -33,7 +34,7 @@ MODULE_LICENSE("GPL"); static DEFINE_PER_CPU(struct vmcs *, vmxarea); static DEFINE_PER_CPU(struct vmcs *, current_vmcs); -#ifdef __x86_64__ +#ifdef CONFIG_X86_64 #define HOST_IS_64 1 #else #define HOST_IS_64 0 @@ -70,15 +71,13 @@ static struct kvm_vmx_segment_field { }; static const u32 vmx_msr_index[] = { -#ifdef __x86_64__ +#ifdef CONFIG_X86_64 MSR_SYSCALL_MASK, MSR_LSTAR, MSR_CSTAR, MSR_KERNEL_GS_BASE, #endif MSR_EFER, MSR_K6_STAR, }; #define NR_VMX_MSR (sizeof(vmx_msr_index) / sizeof(*vmx_msr_index)) -struct vmx_msr_entry *find_msr_entry(struct kvm_vcpu *vcpu, u32 msr); - static inline int is_page_fault(u32 intr_info) { return (intr_info & (INTR_INFO_INTR_TYPE_MASK | INTR_INFO_VECTOR_MASK | @@ -92,6 +91,16 @@ static inline int is_external_interrupt(u32 intr_info) == (INTR_TYPE_EXT_INTR | INTR_INFO_VALID_MASK); } +static struct vmx_msr_entry *find_msr_entry(struct kvm_vcpu *vcpu, u32 msr) +{ + int i; + + for (i = 0; i < vcpu->nmsrs; ++i) + if (vcpu->guest_msrs[i].index == msr) + return &vcpu->guest_msrs[i]; + return 0; +} + static void vmcs_clear(struct vmcs *vmcs) { u64 phys_addr = __pa(vmcs); @@ -137,7 +146,7 @@ static u32 vmcs_read32(unsigned long field) static u64 vmcs_read64(unsigned long field) { -#ifdef __x86_64__ +#ifdef CONFIG_X86_64 return vmcs_readl(field); #else return vmcs_readl(field) | ((u64)vmcs_readl(field+1) << 32); @@ -167,7 +176,7 @@ static void vmcs_write32(unsigned long field, u32 value) static void vmcs_write64(unsigned long field, u64 value) { -#ifdef __x86_64__ +#ifdef CONFIG_X86_64 vmcs_writel(field, value); #else vmcs_writel(field, value); @@ -296,7 +305,7 @@ static void guest_write_tsc(u64 guest_tsc) static void reload_tss(void) { -#ifndef __x86_64__ +#ifndef CONFIG_X86_64 /* * VT restores TR but not its size. Useless. @@ -327,7 +336,7 @@ static int vmx_get_msr(struct kvm_vcpu *vcpu, u32 msr_index, u64 *pdata) } switch (msr_index) { -#ifdef __x86_64__ +#ifdef CONFIG_X86_64 case MSR_FS_BASE: data = vmcs_readl(GUEST_FS_BASE); break; @@ -390,7 +399,7 @@ static int vmx_set_msr(struct kvm_vcpu *vcpu, u32 msr_index, u64 data) { struct vmx_msr_entry *msr; switch (msr_index) { -#ifdef __x86_64__ +#ifdef CONFIG_X86_64 case MSR_FS_BASE: vmcs_writel(GUEST_FS_BASE, data); break; @@ -525,7 +534,7 @@ static __init void hardware_enable(void *garbage) u64 old; rdmsrl(MSR_IA32_FEATURE_CONTROL, old); - if ((old & 5) == 0) + if ((old & 5) != 5) /* enable and lock */ wrmsrl(MSR_IA32_FEATURE_CONTROL, old | 5); write_cr4(read_cr4() | CR4_VMXE); /* FIXME: not cpu hotplug safe */ @@ -725,7 +734,7 @@ static void enter_rmode(struct kvm_vcpu *vcpu) fix_rmode_seg(VCPU_SREG_FS, &vcpu->rmode.fs); } -#ifdef __x86_64__ +#ifdef CONFIG_X86_64 static void enter_lmode(struct kvm_vcpu *vcpu) { @@ -767,7 +776,7 @@ static void vmx_set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0) if (!vcpu->rmode.active && !(cr0 & CR0_PE_MASK)) enter_rmode(vcpu); -#ifdef __x86_64__ +#ifdef CONFIG_X86_64 if (vcpu->shadow_efer & EFER_LME) { if (!is_paging(vcpu) && (cr0 & CR0_PG_MASK)) enter_lmode(vcpu); @@ -808,7 +817,7 @@ static void vmx_set_cr4(struct kvm_vcpu *vcpu, unsigned long cr4) vcpu->cr4 = cr4; } -#ifdef __x86_64__ +#ifdef CONFIG_X86_64 static void vmx_set_efer(struct kvm_vcpu *vcpu, u64 efer) { @@ -883,6 +892,8 @@ static void vmx_set_segment(struct kvm_vcpu *vcpu, ar |= (var->db & 1) << 14; ar |= (var->g & 1) << 15; } + if (ar == 0) /* a 0 value means unusable */ + ar = AR_UNUSABLE_MASK; vmcs_write32(sf->ar_bytes, ar); } @@ -1095,7 +1106,7 @@ static int vmx_vcpu_setup(struct kvm_vcpu *vcpu) vmcs_write16(HOST_FS_SELECTOR, read_fs()); /* 22.2.4 */ vmcs_write16(HOST_GS_SELECTOR, read_gs()); /* 22.2.4 */ vmcs_write16(HOST_SS_SELECTOR, __KERNEL_DS); /* 22.2.4 */ -#ifdef __x86_64__ +#ifdef CONFIG_X86_64 rdmsrl(MSR_FS_BASE, a); vmcs_writel(HOST_FS_BASE, a); /* 22.2.4 */ rdmsrl(MSR_GS_BASE, a); @@ -1164,8 +1175,10 @@ static int vmx_vcpu_setup(struct kvm_vcpu *vcpu) VM_ENTRY_CONTROLS, 0); vmcs_write32(VM_ENTRY_INTR_INFO_FIELD, 0); /* 22.2.1 */ +#ifdef CONFIG_X86_64 vmcs_writel(VIRTUAL_APIC_PAGE_ADDR, 0); vmcs_writel(TPR_THRESHOLD, 0); +#endif vmcs_writel(CR0_GUEST_HOST_MASK, KVM_GUEST_CR0_MASK); vmcs_writel(CR4_GUEST_HOST_MASK, KVM_GUEST_CR4_MASK); @@ -1173,7 +1186,7 @@ static int vmx_vcpu_setup(struct kvm_vcpu *vcpu) vcpu->cr0 = 0x60000010; vmx_set_cr0(vcpu, vcpu->cr0); // enter rmode vmx_set_cr4(vcpu, 0); -#ifdef __x86_64__ +#ifdef CONFIG_X86_64 vmx_set_efer(vcpu, 0); #endif @@ -1689,7 +1702,7 @@ again: vmcs_write16(HOST_GS_SELECTOR, 0); } -#ifdef __x86_64__ +#ifdef CONFIG_X86_64 vmcs_writel(HOST_FS_BASE, read_msr(MSR_FS_BASE)); vmcs_writel(HOST_GS_BASE, read_msr(MSR_GS_BASE)); #else @@ -1713,7 +1726,7 @@ again: asm ( /* Store host registers */ "pushf \n\t" -#ifdef __x86_64__ +#ifdef CONFIG_X86_64 "push %%rax; push %%rbx; push %%rdx;" "push %%rsi; push %%rdi; push %%rbp;" "push %%r8; push %%r9; push %%r10; push %%r11;" @@ -1727,7 +1740,7 @@ again: /* Check if vmlaunch of vmresume is needed */ "cmp $0, %1 \n\t" /* Load guest registers. Don't clobber flags. */ -#ifdef __x86_64__ +#ifdef CONFIG_X86_64 "mov %c[cr2](%3), %%rax \n\t" "mov %%rax, %%cr2 \n\t" "mov %c[rax](%3), %%rax \n\t" @@ -1764,7 +1777,7 @@ again: ".globl kvm_vmx_return \n\t" "kvm_vmx_return: " /* Save guest registers, load host registers, keep flags */ -#ifdef __x86_64__ +#ifdef CONFIG_X86_64 "xchg %3, 0(%%rsp) \n\t" "mov %%rax, %c[rax](%3) \n\t" "mov %%rbx, %c[rbx](%3) \n\t" @@ -1816,7 +1829,7 @@ again: [rsi]"i"(offsetof(struct kvm_vcpu, regs[VCPU_REGS_RSI])), [rdi]"i"(offsetof(struct kvm_vcpu, regs[VCPU_REGS_RDI])), [rbp]"i"(offsetof(struct kvm_vcpu, regs[VCPU_REGS_RBP])), -#ifdef __x86_64__ +#ifdef CONFIG_X86_64 [r8 ]"i"(offsetof(struct kvm_vcpu, regs[VCPU_REGS_R8 ])), [r9 ]"i"(offsetof(struct kvm_vcpu, regs[VCPU_REGS_R9 ])), [r10]"i"(offsetof(struct kvm_vcpu, regs[VCPU_REGS_R10])), @@ -1837,7 +1850,7 @@ again: fx_save(vcpu->guest_fx_image); fx_restore(vcpu->host_fx_image); -#ifndef __x86_64__ +#ifndef CONFIG_X86_64 asm ("mov %0, %%ds; mov %0, %%es" : : "r"(__USER_DS)); #endif @@ -1855,7 +1868,7 @@ again: */ local_irq_disable(); load_gs(gs_sel); -#ifdef __x86_64__ +#ifdef CONFIG_X86_64 wrmsrl(MSR_GS_BASE, vmcs_readl(HOST_GS_BASE)); #endif local_irq_enable(); @@ -1965,7 +1978,7 @@ static struct kvm_arch_ops vmx_arch_ops = { .set_cr0_no_modeswitch = vmx_set_cr0_no_modeswitch, .set_cr3 = vmx_set_cr3, .set_cr4 = vmx_set_cr4, -#ifdef __x86_64__ +#ifdef CONFIG_X86_64 .set_efer = vmx_set_efer, #endif .get_idt = vmx_get_idt, @@ -1989,8 +2002,7 @@ static struct kvm_arch_ops vmx_arch_ops = { static int __init vmx_init(void) { - kvm_init_arch(&vmx_arch_ops, THIS_MODULE); - return 0; + return kvm_init_arch(&vmx_arch_ops, THIS_MODULE); } static void __exit vmx_exit(void) diff --git a/drivers/kvm/x86_emulate.c b/drivers/kvm/x86_emulate.c index 7e838bf0592df..1bff3e925fda5 100644 --- a/drivers/kvm/x86_emulate.c +++ b/drivers/kvm/x86_emulate.c @@ -238,7 +238,7 @@ struct operand { * any modified flags. */ -#if defined(__x86_64__) +#if defined(CONFIG_X86_64) #define _LO32 "k" /* force 32-bit operand */ #define _STK "%%rsp" /* stack pointer */ #elif defined(__i386__) @@ -385,7 +385,7 @@ struct operand { } while (0) /* Emulate an instruction with quadword operands (x86/64 only). */ -#if defined(__x86_64__) +#if defined(CONFIG_X86_64) #define __emulate_2op_8byte(_op, _src, _dst, _eflags, _qx, _qy) \ do { \ __asm__ __volatile__ ( \ @@ -495,7 +495,7 @@ x86_emulate_memop(struct x86_emulate_ctxt *ctxt, struct x86_emulate_ops *ops) case X86EMUL_MODE_PROT32: op_bytes = ad_bytes = 4; break; -#ifdef __x86_64__ +#ifdef CONFIG_X86_64 case X86EMUL_MODE_PROT64: op_bytes = 4; ad_bytes = 8; @@ -1341,7 +1341,7 @@ twobyte_special_insn: } break; } -#elif defined(__x86_64__) +#elif defined(CONFIG_X86_64) { unsigned long old, new; if ((rc = ops->read_emulated(cr2, &old, 8, ctxt)) != 0) diff --git a/drivers/kvm/x86_emulate.h b/drivers/kvm/x86_emulate.h index 658b58de30fc8..5d41bd55125e9 100644 --- a/drivers/kvm/x86_emulate.h +++ b/drivers/kvm/x86_emulate.h @@ -162,7 +162,7 @@ struct x86_emulate_ctxt { /* Host execution mode. */ #if defined(__i386__) #define X86EMUL_MODE_HOST X86EMUL_MODE_PROT32 -#elif defined(__x86_64__) +#elif defined(CONFIG_X86_64) #define X86EMUL_MODE_HOST X86EMUL_MODE_PROT64 #endif diff --git a/drivers/macintosh/adb.c b/drivers/macintosh/adb.c index d43ea81d6df9b..7cec6de5e2b07 100644 --- a/drivers/macintosh/adb.c +++ b/drivers/macintosh/adb.c @@ -828,7 +828,7 @@ static ssize_t adb_write(struct file *file, const char __user *buf, if (!access_ok(VERIFY_READ, buf, count)) return -EFAULT; - req = (struct adb_request *) kmalloc(sizeof(struct adb_request), + req = kmalloc(sizeof(struct adb_request), GFP_KERNEL); if (req == NULL) return -ENOMEM; diff --git a/drivers/macintosh/apm_emu.c b/drivers/macintosh/apm_emu.c index 8862a83b8d848..4300c628f8af8 100644 --- a/drivers/macintosh/apm_emu.c +++ b/drivers/macintosh/apm_emu.c @@ -321,7 +321,7 @@ static int do_open(struct inode * inode, struct file * filp) { struct apm_user * as; - as = (struct apm_user *)kmalloc(sizeof(*as), GFP_KERNEL); + as = kmalloc(sizeof(*as), GFP_KERNEL); if (as == NULL) { printk(KERN_ERR "apm: cannot allocate struct of size %d bytes\n", sizeof(*as)); diff --git a/drivers/macintosh/smu.c b/drivers/macintosh/smu.c index 6dde27ab79a81..6f30459b93853 100644 --- a/drivers/macintosh/smu.c +++ b/drivers/macintosh/smu.c @@ -945,7 +945,7 @@ static struct smu_sdbp_header *smu_create_sdb_partition(int id) */ tlen = sizeof(struct property) + len + 18; - prop = kcalloc(tlen, 1, GFP_KERNEL); + prop = kzalloc(tlen, GFP_KERNEL); if (prop == NULL) return NULL; hdr = (struct smu_sdbp_header *)(prop + 1); diff --git a/drivers/macintosh/via-pmu68k.c b/drivers/macintosh/via-pmu68k.c index d9986f3a3fbf3..93e6ef9233f9e 100644 --- a/drivers/macintosh/via-pmu68k.c +++ b/drivers/macintosh/via-pmu68k.c @@ -847,7 +847,7 @@ pbook_pci_save(void) n_pbook_pci_saves = npci; if (npci == 0) return; - ps = (struct pci_save *) kmalloc(npci * sizeof(*ps), GFP_KERNEL); + ps = kmalloc(npci * sizeof(*ps), GFP_KERNEL); pbook_pci_saves = ps; if (ps == NULL) return; diff --git a/drivers/md/faulty.c b/drivers/md/faulty.c index a7a5ab5543389..4ebd0f2a75ece 100644 --- a/drivers/md/faulty.c +++ b/drivers/md/faulty.c @@ -173,7 +173,7 @@ static int make_request(request_queue_t *q, struct bio *bio) conf_t *conf = (conf_t*)mddev->private; int failit = 0; - if (bio->bi_rw & 1) { + if (bio_data_dir(bio) == WRITE) { /* write request */ if (atomic_read(&conf->counters[WriteAll])) { /* special case - don't decrement, don't generic_make_request, diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index b3c5e12f081d7..b30f74be3982c 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -1736,7 +1736,7 @@ static sector_t sync_request(mddev_t *mddev, sector_t sector_nr, int *skipped, i /* take from bio_init */ bio->bi_next = NULL; bio->bi_flags |= 1 << BIO_UPTODATE; - bio->bi_rw = 0; + bio->bi_rw = READ; bio->bi_vcnt = 0; bio->bi_idx = 0; bio->bi_phys_segments = 0; diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index 7492d6033ac63..f0141910bb8d8 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -1785,7 +1785,7 @@ static sector_t sync_request(mddev_t *mddev, sector_t sector_nr, int *skipped, i biolist = bio; bio->bi_private = r10_bio; bio->bi_end_io = end_sync_read; - bio->bi_rw = 0; + bio->bi_rw = READ; bio->bi_sector = r10_bio->devs[j].addr + conf->mirrors[d].rdev->data_offset; bio->bi_bdev = conf->mirrors[d].rdev->bdev; @@ -1801,7 +1801,7 @@ static sector_t sync_request(mddev_t *mddev, sector_t sector_nr, int *skipped, i biolist = bio; bio->bi_private = r10_bio; bio->bi_end_io = end_sync_write; - bio->bi_rw = 1; + bio->bi_rw = WRITE; bio->bi_sector = r10_bio->devs[k].addr + conf->mirrors[i].rdev->data_offset; bio->bi_bdev = conf->mirrors[i].rdev->bdev; @@ -1870,7 +1870,7 @@ static sector_t sync_request(mddev_t *mddev, sector_t sector_nr, int *skipped, i biolist = bio; bio->bi_private = r10_bio; bio->bi_end_io = end_sync_read; - bio->bi_rw = 0; + bio->bi_rw = READ; bio->bi_sector = r10_bio->devs[i].addr + conf->mirrors[d].rdev->data_offset; bio->bi_bdev = conf->mirrors[d].rdev->bdev; diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index 377f8bc9b78be..be008f034ada5 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -1827,16 +1827,16 @@ static void handle_stripe5(struct stripe_head *sh) struct bio *bi; mdk_rdev_t *rdev; if (test_and_clear_bit(R5_Wantwrite, &sh->dev[i].flags)) - rw = 1; + rw = WRITE; else if (test_and_clear_bit(R5_Wantread, &sh->dev[i].flags)) - rw = 0; + rw = READ; else continue; bi = &sh->dev[i].req; bi->bi_rw = rw; - if (rw) + if (rw == WRITE) bi->bi_end_io = raid5_end_write_request; else bi->bi_end_io = raid5_end_read_request; @@ -1872,7 +1872,7 @@ static void handle_stripe5(struct stripe_head *sh) atomic_add(STRIPE_SECTORS, &rdev->corrected_errors); generic_make_request(bi); } else { - if (rw == 1) + if (rw == WRITE) set_bit(STRIPE_DEGRADED, &sh->state); PRINTK("skip op %ld on disc %d for sector %llu\n", bi->bi_rw, i, (unsigned long long)sh->sector); @@ -2370,16 +2370,16 @@ static void handle_stripe6(struct stripe_head *sh, struct page *tmp_page) struct bio *bi; mdk_rdev_t *rdev; if (test_and_clear_bit(R5_Wantwrite, &sh->dev[i].flags)) - rw = 1; + rw = WRITE; else if (test_and_clear_bit(R5_Wantread, &sh->dev[i].flags)) - rw = 0; + rw = READ; else continue; bi = &sh->dev[i].req; bi->bi_rw = rw; - if (rw) + if (rw == WRITE) bi->bi_end_io = raid5_end_write_request; else bi->bi_end_io = raid5_end_read_request; @@ -2415,7 +2415,7 @@ static void handle_stripe6(struct stripe_head *sh, struct page *tmp_page) atomic_add(STRIPE_SECTORS, &rdev->corrected_errors); generic_make_request(bi); } else { - if (rw == 1) + if (rw == WRITE) set_bit(STRIPE_DEGRADED, &sh->state); PRINTK("skip op %ld on disc %d for sector %llu\n", bi->bi_rw, i, (unsigned long long)sh->sector); @@ -2567,7 +2567,7 @@ static int raid5_mergeable_bvec(request_queue_t *q, struct bio *bio, struct bio_ unsigned int chunk_sectors = mddev->chunk_size >> 9; unsigned int bio_sectors = bio->bi_size >> 9; - if (bio_data_dir(bio)) + if (bio_data_dir(bio) == WRITE) return biovec->bv_len; /* always allow writes to be mergeable */ max = (chunk_sectors - ((sector & (chunk_sectors - 1)) + bio_sectors)) << 9; @@ -2751,7 +2751,7 @@ static int make_request(request_queue_t *q, struct bio * bi) disk_stat_inc(mddev->gendisk, ios[rw]); disk_stat_add(mddev->gendisk, sectors[rw], bio_sectors(bi)); - if (bio_data_dir(bi) == READ && + if (rw == READ && mddev->reshape_position == MaxSector && chunk_aligned_read(q,bi)) return 0; diff --git a/drivers/media/dvb/bt8xx/dst_ca.c b/drivers/media/dvb/bt8xx/dst_ca.c index 240ad084fa787..50bc32a8bd553 100644 --- a/drivers/media/dvb/bt8xx/dst_ca.c +++ b/drivers/media/dvb/bt8xx/dst_ca.c @@ -480,7 +480,7 @@ static int ca_send_message(struct dst_state *state, struct ca_msg *p_ca_message, struct ca_msg *hw_buffer; int result = 0; - if ((hw_buffer = (struct ca_msg *) kmalloc(sizeof (struct ca_msg), GFP_KERNEL)) == NULL) { + if ((hw_buffer = kmalloc(sizeof (struct ca_msg), GFP_KERNEL)) == NULL) { dprintk(verbose, DST_CA_ERROR, 1, " Memory allocation failure"); return -ENOMEM; } diff --git a/drivers/media/dvb/bt8xx/dvb-bt8xx.c b/drivers/media/dvb/bt8xx/dvb-bt8xx.c index 80a85cb4975fb..3e35931af35d1 100644 --- a/drivers/media/dvb/bt8xx/dvb-bt8xx.c +++ b/drivers/media/dvb/bt8xx/dvb-bt8xx.c @@ -657,7 +657,7 @@ static void frontend_init(struct dvb_bt8xx_card *card, u32 type) case BTTV_BOARD_TWINHAN_DST: /* DST is not a frontend driver !!! */ - state = (struct dst_state *) kmalloc(sizeof (struct dst_state), GFP_KERNEL); + state = kmalloc(sizeof (struct dst_state), GFP_KERNEL); if (!state) { printk("dvb_bt8xx: No memory\n"); break; diff --git a/drivers/media/dvb/ttusb-dec/ttusbdecfe.c b/drivers/media/dvb/ttusb-dec/ttusbdecfe.c index 42f39a89bc4d7..a6fb1d6a7b5dd 100644 --- a/drivers/media/dvb/ttusb-dec/ttusbdecfe.c +++ b/drivers/media/dvb/ttusb-dec/ttusbdecfe.c @@ -195,7 +195,7 @@ struct dvb_frontend* ttusbdecfe_dvbt_attach(const struct ttusbdecfe_config* conf struct ttusbdecfe_state* state = NULL; /* allocate memory for the internal state */ - state = (struct ttusbdecfe_state*) kmalloc(sizeof(struct ttusbdecfe_state), GFP_KERNEL); + state = kmalloc(sizeof(struct ttusbdecfe_state), GFP_KERNEL); if (state == NULL) return NULL; @@ -215,7 +215,7 @@ struct dvb_frontend* ttusbdecfe_dvbs_attach(const struct ttusbdecfe_config* conf struct ttusbdecfe_state* state = NULL; /* allocate memory for the internal state */ - state = (struct ttusbdecfe_state*) kmalloc(sizeof(struct ttusbdecfe_state), GFP_KERNEL); + state = kmalloc(sizeof(struct ttusbdecfe_state), GFP_KERNEL); if (state == NULL) return NULL; diff --git a/drivers/media/video/dabusb.c b/drivers/media/video/dabusb.c index b1012e92ee04e..917021fc29933 100644 --- a/drivers/media/video/dabusb.c +++ b/drivers/media/video/dabusb.c @@ -218,7 +218,7 @@ static int dabusb_alloc_buffers (pdabusb_t s) pipesize, packets, transfer_buffer_length); while (buffers < (s->total_buffer_size << 10)) { - b = (pbuff_t) kzalloc (sizeof (buff_t), GFP_KERNEL); + b = kzalloc(sizeof (buff_t), GFP_KERNEL); if (!b) { err("kzalloc(sizeof(buff_t))==NULL"); goto err; @@ -659,7 +659,7 @@ static int dabusb_ioctl (struct inode *inode, struct file *file, unsigned int cm switch (cmd) { case IOCTL_DAB_BULK: - pbulk = (pbulk_transfer_t) kmalloc (sizeof (bulk_transfer_t), GFP_KERNEL); + pbulk = kmalloc(sizeof (bulk_transfer_t), GFP_KERNEL); if (!pbulk) { ret = -ENOMEM; diff --git a/drivers/media/video/planb.c b/drivers/media/video/planb.c index 368d6e219fa43..86d2884e16c68 100644 --- a/drivers/media/video/planb.c +++ b/drivers/media/video/planb.c @@ -138,7 +138,7 @@ static int grabbuf_alloc(struct planb *pb) + MAX_LNUM #endif /* PLANB_GSCANLINE */ ); - if ((pb->rawbuf = (unsigned char**) kmalloc (npage + if ((pb->rawbuf = kmalloc(npage * sizeof(unsigned long), GFP_KERNEL)) == 0) return -ENOMEM; for (i = 0; i < npage; i++) { diff --git a/drivers/media/video/usbvideo/usbvideo.c b/drivers/media/video/usbvideo/usbvideo.c index d8b88024bc2fa..b560c9d7c5168 100644 --- a/drivers/media/video/usbvideo/usbvideo.c +++ b/drivers/media/video/usbvideo/usbvideo.c @@ -690,7 +690,7 @@ int usbvideo_register( } base_size = num_cams * sizeof(struct uvd) + sizeof(struct usbvideo); - cams = (struct usbvideo *) kzalloc(base_size, GFP_KERNEL); + cams = kzalloc(base_size, GFP_KERNEL); if (cams == NULL) { err("Failed to allocate %d. bytes for usbvideo struct", base_size); return -ENOMEM; diff --git a/drivers/media/video/videocodec.c b/drivers/media/video/videocodec.c index 2ae3fb250630b..290e641356502 100644 --- a/drivers/media/video/videocodec.c +++ b/drivers/media/video/videocodec.c @@ -346,7 +346,7 @@ videocodec_build_table (void) size); kfree(videocodec_buf); - videocodec_buf = (char *) kmalloc(size, GFP_KERNEL); + videocodec_buf = kmalloc(size, GFP_KERNEL); i = 0; i += scnprintf(videocodec_buf + i, size - 1, diff --git a/drivers/message/i2o/core.h b/drivers/message/i2o/core.h index dc388a3ff5e0f..cbe384fb848c9 100644 --- a/drivers/message/i2o/core.h +++ b/drivers/message/i2o/core.h @@ -18,7 +18,7 @@ extern struct i2o_driver i2o_exec_driver; extern int i2o_exec_lct_get(struct i2o_controller *); extern int __init i2o_exec_init(void); -extern void __exit i2o_exec_exit(void); +extern void i2o_exec_exit(void); /* driver */ extern struct bus_type i2o_bus_type; @@ -26,7 +26,7 @@ extern struct bus_type i2o_bus_type; extern int i2o_driver_dispatch(struct i2o_controller *, u32); extern int __init i2o_driver_init(void); -extern void __exit i2o_driver_exit(void); +extern void i2o_driver_exit(void); /* PCI */ extern int __init i2o_pci_init(void); diff --git a/drivers/message/i2o/driver.c b/drivers/message/i2o/driver.c index 9104b65ff70f0..d3235f213c893 100644 --- a/drivers/message/i2o/driver.c +++ b/drivers/message/i2o/driver.c @@ -362,7 +362,7 @@ int __init i2o_driver_init(void) * * Unregisters the I2O bus and frees driver array. */ -void __exit i2o_driver_exit(void) +void i2o_driver_exit(void) { bus_unregister(&i2o_bus_type); kfree(i2o_drivers); diff --git a/drivers/message/i2o/exec-osm.c b/drivers/message/i2o/exec-osm.c index 902753b2c6610..a539d3b61e768 100644 --- a/drivers/message/i2o/exec-osm.c +++ b/drivers/message/i2o/exec-osm.c @@ -595,7 +595,7 @@ int __init i2o_exec_init(void) * * Unregisters the Exec OSM from the I2O core. */ -void __exit i2o_exec_exit(void) +void i2o_exec_exit(void) { i2o_driver_unregister(&i2o_exec_driver); }; diff --git a/drivers/message/i2o/i2o_config.c b/drivers/message/i2o/i2o_config.c index 1de30d711671c..e33d446e74939 100644 --- a/drivers/message/i2o/i2o_config.c +++ b/drivers/message/i2o/i2o_config.c @@ -186,7 +186,7 @@ static int i2o_cfg_parms(unsigned long arg, unsigned int type) if (!dev) return -ENXIO; - ops = (u8 *) kmalloc(kcmd.oplen, GFP_KERNEL); + ops = kmalloc(kcmd.oplen, GFP_KERNEL); if (!ops) return -ENOMEM; @@ -199,7 +199,7 @@ static int i2o_cfg_parms(unsigned long arg, unsigned int type) * It's possible to have a _very_ large table * and that the user asks for all of it at once... */ - res = (u8 *) kmalloc(65536, GFP_KERNEL); + res = kmalloc(65536, GFP_KERNEL); if (!res) { kfree(ops); return -ENOMEM; diff --git a/drivers/mtd/devices/mtd_dataflash.c b/drivers/mtd/devices/mtd_dataflash.c index 5db7160459278..0a7e86859bf10 100644 --- a/drivers/mtd/devices/mtd_dataflash.c +++ b/drivers/mtd/devices/mtd_dataflash.c @@ -459,7 +459,7 @@ add_dataflash(struct spi_device *spi, char *name, struct mtd_info *device; struct flash_platform_data *pdata = spi->dev.platform_data; - priv = (struct dataflash *) kzalloc(sizeof *priv, GFP_KERNEL); + priv = kzalloc(sizeof *priv, GFP_KERNEL); if (!priv) return -ENOMEM; diff --git a/drivers/mtd/rfd_ftl.c b/drivers/mtd/rfd_ftl.c index fa4362fb4dd8a..0f3baa5d9c2a0 100644 --- a/drivers/mtd/rfd_ftl.c +++ b/drivers/mtd/rfd_ftl.c @@ -768,7 +768,7 @@ static void rfd_ftl_add_mtd(struct mtd_blktrans_ops *tr, struct mtd_info *mtd) if (mtd->type != MTD_NORFLASH) return; - part = kcalloc(1, sizeof(struct partition), GFP_KERNEL); + part = kzalloc(sizeof(struct partition), GFP_KERNEL); if (!part) return; diff --git a/drivers/net/appletalk/ipddp.c b/drivers/net/appletalk/ipddp.c index b98592a8bac80..f22e46dfd7706 100644 --- a/drivers/net/appletalk/ipddp.c +++ b/drivers/net/appletalk/ipddp.c @@ -186,7 +186,7 @@ static int ipddp_xmit(struct sk_buff *skb, struct net_device *dev) */ static int ipddp_create(struct ipddp_route *new_rt) { - struct ipddp_route *rt =(struct ipddp_route*) kmalloc(sizeof(*rt), GFP_KERNEL); + struct ipddp_route *rt = kmalloc(sizeof(*rt), GFP_KERNEL); if (rt == NULL) return -ENOMEM; diff --git a/drivers/net/bsd_comp.c b/drivers/net/bsd_comp.c index bae1de1e78025..7845eaf6f29f9 100644 --- a/drivers/net/bsd_comp.c +++ b/drivers/net/bsd_comp.c @@ -395,7 +395,7 @@ static void *bsd_alloc (unsigned char *options, int opt_len, int decomp) * Allocate the main control structure for this instance. */ maxmaxcode = MAXCODE(bits); - db = (struct bsd_db *) kmalloc (sizeof (struct bsd_db), + db = kmalloc(sizeof (struct bsd_db), GFP_KERNEL); if (!db) { diff --git a/drivers/net/irda/donauboe.c b/drivers/net/irda/donauboe.c index 16620bd97fbf7..11af0ae7510e0 100644 --- a/drivers/net/irda/donauboe.c +++ b/drivers/net/irda/donauboe.c @@ -1603,7 +1603,7 @@ toshoboe_open (struct pci_dev *pci_dev, const struct pci_device_id *pdid) irda_qos_bits_to_value (&self->qos); /* Allocate twice the size to guarantee alignment */ - self->ringbuf = (void *) kmalloc (OBOE_RING_LEN << 1, GFP_KERNEL); + self->ringbuf = kmalloc(OBOE_RING_LEN << 1, GFP_KERNEL); if (!self->ringbuf) { printk (KERN_ERR DRIVER_NAME ": can't allocate DMA buffers\n"); diff --git a/drivers/net/irda/irda-usb.c b/drivers/net/irda/irda-usb.c index 6e95645e72459..3ca1082ec7764 100644 --- a/drivers/net/irda/irda-usb.c +++ b/drivers/net/irda/irda-usb.c @@ -1747,7 +1747,7 @@ static int irda_usb_probe(struct usb_interface *intf, /* Don't change this buffer size and allocation without doing * some heavy and complete testing. Don't ask why :-( * Jean II */ - self->speed_buff = (char *) kmalloc(IRDA_USB_SPEED_MTU, GFP_KERNEL); + self->speed_buff = kmalloc(IRDA_USB_SPEED_MTU, GFP_KERNEL); if (self->speed_buff == NULL) goto err_out_3; diff --git a/drivers/net/irda/irport.c b/drivers/net/irda/irport.c index 654a68b490ae6..3098960dc2a13 100644 --- a/drivers/net/irda/irport.c +++ b/drivers/net/irda/irport.c @@ -164,7 +164,7 @@ irport_open(int i, unsigned int iobase, unsigned int irq) /* Allocate memory if needed */ if (self->tx_buff.truesize > 0) { - self->tx_buff.head = (__u8 *) kmalloc(self->tx_buff.truesize, + self->tx_buff.head = kmalloc(self->tx_buff.truesize, GFP_KERNEL); if (self->tx_buff.head == NULL) { IRDA_ERROR("%s(), can't allocate memory for " diff --git a/drivers/net/lp486e.c b/drivers/net/lp486e.c index b833016f1825f..177c502f73857 100644 --- a/drivers/net/lp486e.c +++ b/drivers/net/lp486e.c @@ -884,7 +884,7 @@ static int i596_start_xmit (struct sk_buff *skb, struct net_device *dev) { dev->trans_start = jiffies; - tx_cmd = (struct tx_cmd *) kmalloc ((sizeof (struct tx_cmd) + sizeof (struct i596_tbd)), GFP_ATOMIC); + tx_cmd = kmalloc((sizeof (struct tx_cmd) + sizeof (struct i596_tbd)), GFP_ATOMIC); if (tx_cmd == NULL) { printk(KERN_WARNING "%s: i596_xmit Memory squeeze, dropping packet.\n", dev->name); lp->stats.tx_dropped++; @@ -1266,7 +1266,7 @@ static void set_multicast_list(struct net_device *dev) { if (dev->mc_count > 0) { struct dev_mc_list *dmi; char *cp; - cmd = (struct i596_cmd *)kmalloc(sizeof(struct i596_cmd)+2+dev->mc_count*6, GFP_ATOMIC); + cmd = kmalloc(sizeof(struct i596_cmd)+2+dev->mc_count*6, GFP_ATOMIC); if (cmd == NULL) { printk (KERN_ERR "%s: set_multicast Memory squeeze.\n", dev->name); return; diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index b01fc70a57db6..a4d7529ef4151 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -50,7 +50,7 @@ struct phy_device* phy_device_create(struct mii_bus *bus, int addr, int phy_id) struct phy_device *dev; /* We allocate the device, and initialize the * default values */ - dev = kcalloc(1, sizeof(*dev), GFP_KERNEL); + dev = kzalloc(sizeof(*dev), GFP_KERNEL); if (NULL == dev) return (struct phy_device*) PTR_ERR((void*)-ENOMEM); diff --git a/drivers/net/ppp_deflate.c b/drivers/net/ppp_deflate.c index f54c55242f4a2..72c8d6628f583 100644 --- a/drivers/net/ppp_deflate.c +++ b/drivers/net/ppp_deflate.c @@ -121,7 +121,7 @@ static void *z_comp_alloc(unsigned char *options, int opt_len) if (w_size < DEFLATE_MIN_SIZE || w_size > DEFLATE_MAX_SIZE) return NULL; - state = (struct ppp_deflate_state *) kmalloc(sizeof(*state), + state = kmalloc(sizeof(*state), GFP_KERNEL); if (state == NULL) return NULL; @@ -341,7 +341,7 @@ static void *z_decomp_alloc(unsigned char *options, int opt_len) if (w_size < DEFLATE_MIN_SIZE || w_size > DEFLATE_MAX_SIZE) return NULL; - state = (struct ppp_deflate_state *) kmalloc(sizeof(*state), GFP_KERNEL); + state = kmalloc(sizeof(*state), GFP_KERNEL); if (state == NULL) return NULL; diff --git a/drivers/net/ppp_mppe.c b/drivers/net/ppp_mppe.c index f3655fd772f5b..d5bdd25746591 100644 --- a/drivers/net/ppp_mppe.c +++ b/drivers/net/ppp_mppe.c @@ -200,7 +200,7 @@ static void *mppe_alloc(unsigned char *options, int optlen) || options[0] != CI_MPPE || options[1] != CILEN_MPPE) goto out; - state = (struct ppp_mppe_state *) kmalloc(sizeof(*state), GFP_KERNEL); + state = kmalloc(sizeof(*state), GFP_KERNEL); if (state == NULL) goto out; diff --git a/drivers/net/skge.c b/drivers/net/skge.c index b60f0451f6cda..8a39376f87dc2 100644 --- a/drivers/net/skge.c +++ b/drivers/net/skge.c @@ -749,7 +749,7 @@ static int skge_ring_alloc(struct skge_ring *ring, void *vaddr, u32 base) struct skge_element *e; int i; - ring->start = kcalloc(sizeof(*e), ring->count, GFP_KERNEL); + ring->start = kcalloc(ring->count, sizeof(*e), GFP_KERNEL); if (!ring->start) return -ENOMEM; diff --git a/drivers/net/slip.c b/drivers/net/slip.c index 39c2152a07f42..a0806d262fc65 100644 --- a/drivers/net/slip.c +++ b/drivers/net/slip.c @@ -229,10 +229,10 @@ static int sl_realloc_bufs(struct slip *sl, int mtu) if (len < 576 * 2) len = 576 * 2; - xbuff = (unsigned char *) kmalloc (len + 4, GFP_ATOMIC); - rbuff = (unsigned char *) kmalloc (len + 4, GFP_ATOMIC); + xbuff = kmalloc(len + 4, GFP_ATOMIC); + rbuff = kmalloc(len + 4, GFP_ATOMIC); #ifdef SL_INCLUDE_CSLIP - cbuff = (unsigned char *) kmalloc (len + 4, GFP_ATOMIC); + cbuff = kmalloc(len + 4, GFP_ATOMIC); #endif diff --git a/drivers/net/wan/hostess_sv11.c b/drivers/net/wan/hostess_sv11.c index a4f735723c410..a02c5fb40567e 100644 --- a/drivers/net/wan/hostess_sv11.c +++ b/drivers/net/wan/hostess_sv11.c @@ -231,7 +231,7 @@ static struct sv11_device *sv11_init(int iobase, int irq) return NULL; } - sv=(struct sv11_device *)kmalloc(sizeof(struct sv11_device), GFP_KERNEL); + sv = kmalloc(sizeof(struct sv11_device), GFP_KERNEL); if(!sv) goto fail3; diff --git a/drivers/net/wan/pc300_drv.c b/drivers/net/wan/pc300_drv.c index 36d1c3ff7078d..62184dee377c5 100644 --- a/drivers/net/wan/pc300_drv.c +++ b/drivers/net/wan/pc300_drv.c @@ -3455,7 +3455,7 @@ cpc_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) if ((err = pci_enable_device(pdev)) < 0) return err; - card = (pc300_t *) kmalloc(sizeof(pc300_t), GFP_KERNEL); + card = kmalloc(sizeof(pc300_t), GFP_KERNEL); if (card == NULL) { printk("PC300 found at RAM 0x%016llx, " "but could not allocate card structure.\n", diff --git a/drivers/net/wan/pc300_tty.c b/drivers/net/wan/pc300_tty.c index b2a23aed44285..5873c346e7e9e 100644 --- a/drivers/net/wan/pc300_tty.c +++ b/drivers/net/wan/pc300_tty.c @@ -784,7 +784,7 @@ void cpc_tty_receive(pc300dev_t *pc300dev) continue; } - new = (st_cpc_rx_buf *)kmalloc(rx_len + sizeof(st_cpc_rx_buf), GFP_ATOMIC); + new = kmalloc(rx_len + sizeof(st_cpc_rx_buf), GFP_ATOMIC); if (new == 0) { cpc_tty_rx_disc_frame(pc300chan); continue; diff --git a/drivers/net/wan/x25_asy.c b/drivers/net/wan/x25_asy.c index 9c3ccc6691435..1c9edd97accd6 100644 --- a/drivers/net/wan/x25_asy.c +++ b/drivers/net/wan/x25_asy.c @@ -123,8 +123,8 @@ static int x25_asy_change_mtu(struct net_device *dev, int newmtu) unsigned char *xbuff, *rbuff; int len = 2* newmtu; - xbuff = (unsigned char *) kmalloc (len + 4, GFP_ATOMIC); - rbuff = (unsigned char *) kmalloc (len + 4, GFP_ATOMIC); + xbuff = kmalloc(len + 4, GFP_ATOMIC); + rbuff = kmalloc(len + 4, GFP_ATOMIC); if (xbuff == NULL || rbuff == NULL) { @@ -465,11 +465,11 @@ static int x25_asy_open(struct net_device *dev) len = dev->mtu * 2; - sl->rbuff = (unsigned char *) kmalloc(len + 4, GFP_KERNEL); + sl->rbuff = kmalloc(len + 4, GFP_KERNEL); if (sl->rbuff == NULL) { goto norbuff; } - sl->xbuff = (unsigned char *) kmalloc(len + 4, GFP_KERNEL); + sl->xbuff = kmalloc(len + 4, GFP_KERNEL); if (sl->xbuff == NULL) { goto noxbuff; } diff --git a/drivers/net/wireless/hostap/hostap_ap.c b/drivers/net/wireless/hostap/hostap_ap.c index 974a8e5bec8b4..efb8cf3bd8ad6 100644 --- a/drivers/net/wireless/hostap/hostap_ap.c +++ b/drivers/net/wireless/hostap/hostap_ap.c @@ -1253,7 +1253,7 @@ static char * ap_auth_make_challenge(struct ap_data *ap) return NULL; } - tmpbuf = (char *) kmalloc(WLAN_AUTH_CHALLENGE_LEN, GFP_ATOMIC); + tmpbuf = kmalloc(WLAN_AUTH_CHALLENGE_LEN, GFP_ATOMIC); if (tmpbuf == NULL) { PDEBUG(DEBUG_AP, "AP: kmalloc failed for challenge\n"); return NULL; diff --git a/drivers/net/wireless/hostap/hostap_download.c b/drivers/net/wireless/hostap/hostap_download.c index 24fc387bba675..c7678e67697dc 100644 --- a/drivers/net/wireless/hostap/hostap_download.c +++ b/drivers/net/wireless/hostap/hostap_download.c @@ -201,7 +201,7 @@ static u8 * prism2_read_pda(struct net_device *dev) 0x7f0002 /* Intel PRO/Wireless 2011B (PCI) */, }; - buf = (u8 *) kmalloc(PRISM2_PDA_SIZE, GFP_KERNEL); + buf = kmalloc(PRISM2_PDA_SIZE, GFP_KERNEL); if (buf == NULL) return NULL; diff --git a/drivers/net/wireless/hostap/hostap_hw.c b/drivers/net/wireless/hostap/hostap_hw.c index a394a23b9a200..3079378fb8cd2 100644 --- a/drivers/net/wireless/hostap/hostap_hw.c +++ b/drivers/net/wireless/hostap/hostap_hw.c @@ -2252,7 +2252,7 @@ static int hostap_tx_compl_read(local_info_t *local, int error, if (txdesc->sw_support) { len = le16_to_cpu(txdesc->data_len); if (len < PRISM2_DATA_MAXLEN) { - *payload = (char *) kmalloc(len, GFP_ATOMIC); + *payload = kmalloc(len, GFP_ATOMIC); if (*payload == NULL || hfa384x_from_bap(dev, BAP0, *payload, len)) { PDEBUG(DEBUG_EXTRA, "%s: could not read TX " diff --git a/drivers/net/wireless/hostap/hostap_ioctl.c b/drivers/net/wireless/hostap/hostap_ioctl.c index 3b7b8063ff1c7..cb08bc5db2bd5 100644 --- a/drivers/net/wireless/hostap/hostap_ioctl.c +++ b/drivers/net/wireless/hostap/hostap_ioctl.c @@ -3829,7 +3829,7 @@ static int prism2_ioctl_priv_hostapd(local_info_t *local, struct iw_point *p) p->length > PRISM2_HOSTAPD_MAX_BUF_SIZE || !p->pointer) return -EINVAL; - param = (struct prism2_hostapd_param *) kmalloc(p->length, GFP_KERNEL); + param = kmalloc(p->length, GFP_KERNEL); if (param == NULL) return -ENOMEM; diff --git a/drivers/net/wireless/hostap/hostap_main.c b/drivers/net/wireless/hostap/hostap_main.c index 0796be9d9e77b..04c19cefa1da4 100644 --- a/drivers/net/wireless/hostap/hostap_main.c +++ b/drivers/net/wireless/hostap/hostap_main.c @@ -250,7 +250,7 @@ u16 hostap_tx_callback_register(local_info_t *local, unsigned long flags; struct hostap_tx_callback_info *entry; - entry = (struct hostap_tx_callback_info *) kmalloc(sizeof(*entry), + entry = kmalloc(sizeof(*entry), GFP_ATOMIC); if (entry == NULL) return 0; diff --git a/drivers/net/wireless/ipw2100.c b/drivers/net/wireless/ipw2100.c index dd9ba4aad7bb4..0e94fbbf7a941 100644 --- a/drivers/net/wireless/ipw2100.c +++ b/drivers/net/wireless/ipw2100.c @@ -2246,7 +2246,7 @@ static int ipw2100_snapshot_alloc(struct ipw2100_priv *priv) if (priv->snapshot[0]) return 1; for (i = 0; i < 0x30; i++) { - priv->snapshot[i] = (u8 *) kmalloc(0x1000, GFP_ATOMIC); + priv->snapshot[i] = kmalloc(0x1000, GFP_ATOMIC); if (!priv->snapshot[i]) { IPW_DEBUG_INFO("%s: Error allocating snapshot " "buffer %d\n", priv->net_dev->name, i); diff --git a/drivers/net/wireless/prism54/isl_ioctl.c b/drivers/net/wireless/prism54/isl_ioctl.c index 96606ed100761..838d510213c60 100644 --- a/drivers/net/wireless/prism54/isl_ioctl.c +++ b/drivers/net/wireless/prism54/isl_ioctl.c @@ -2775,7 +2775,7 @@ prism54_hostapd(struct net_device *ndev, struct iw_point *p) p->length > PRISM2_HOSTAPD_MAX_BUF_SIZE || !p->pointer) return -EINVAL; - param = (struct prism2_hostapd_param *) kmalloc(p->length, GFP_KERNEL); + param = kmalloc(p->length, GFP_KERNEL); if (param == NULL) return -ENOMEM; diff --git a/drivers/net/wireless/wavelan_cs.c b/drivers/net/wireless/wavelan_cs.c index 233d906c08f0e..5eb81638e8467 100644 --- a/drivers/net/wireless/wavelan_cs.c +++ b/drivers/net/wireless/wavelan_cs.c @@ -603,7 +603,7 @@ static wavepoint_history *wl_new_wavepoint(unsigned short nwid, unsigned char se if(lp->wavepoint_table.num_wavepoints==MAX_WAVEPOINTS) return NULL; - new_wavepoint=(wavepoint_history *) kmalloc(sizeof(wavepoint_history),GFP_ATOMIC); + new_wavepoint = kmalloc(sizeof(wavepoint_history),GFP_ATOMIC); if(new_wavepoint==NULL) return NULL; diff --git a/drivers/net/wireless/zd1211rw/zd_chip.c b/drivers/net/wireless/zd1211rw/zd_chip.c index 77e11ddad836d..78ea72fb8f0ce 100644 --- a/drivers/net/wireless/zd1211rw/zd_chip.c +++ b/drivers/net/wireless/zd1211rw/zd_chip.c @@ -101,7 +101,7 @@ int zd_ioread32v_locked(struct zd_chip *chip, u32 *values, const zd_addr_t *addr /* Allocate a single memory block for values and addresses. */ count16 = 2*count; - a16 = (zd_addr_t *)kmalloc(count16 * (sizeof(zd_addr_t) + sizeof(u16)), + a16 = kmalloc(count16 * (sizeof(zd_addr_t) + sizeof(u16)), GFP_NOFS); if (!a16) { dev_dbg_f(zd_chip_dev(chip), diff --git a/drivers/parisc/iosapic.c b/drivers/parisc/iosapic.c index 12bab64a62a15..6fb3f7979f21b 100644 --- a/drivers/parisc/iosapic.c +++ b/drivers/parisc/iosapic.c @@ -874,7 +874,7 @@ void *iosapic_register(unsigned long hpa) return NULL; } - isi = (struct iosapic_info *)kzalloc(sizeof(struct iosapic_info), GFP_KERNEL); + isi = kzalloc(sizeof(struct iosapic_info), GFP_KERNEL); if (!isi) { BUG(); return NULL; diff --git a/drivers/pci/hotplug/cpqphp_nvram.c b/drivers/pci/hotplug/cpqphp_nvram.c index 298a6cfd84069..ae5e974c45a79 100644 --- a/drivers/pci/hotplug/cpqphp_nvram.c +++ b/drivers/pci/hotplug/cpqphp_nvram.c @@ -520,7 +520,7 @@ int compaq_nvram_load (void __iomem *rom_start, struct controller *ctrl) return 2; while (nummem--) { - mem_node = (struct pci_resource*) kmalloc(sizeof(struct pci_resource), GFP_KERNEL); + mem_node = kmalloc(sizeof(struct pci_resource), GFP_KERNEL); if (!mem_node) break; @@ -548,7 +548,7 @@ int compaq_nvram_load (void __iomem *rom_start, struct controller *ctrl) } while (numpmem--) { - p_mem_node = (struct pci_resource*) kmalloc(sizeof(struct pci_resource), GFP_KERNEL); + p_mem_node = kmalloc(sizeof(struct pci_resource), GFP_KERNEL); if (!p_mem_node) break; @@ -576,7 +576,7 @@ int compaq_nvram_load (void __iomem *rom_start, struct controller *ctrl) } while (numio--) { - io_node = (struct pci_resource*) kmalloc(sizeof(struct pci_resource), GFP_KERNEL); + io_node = kmalloc(sizeof(struct pci_resource), GFP_KERNEL); if (!io_node) break; @@ -604,7 +604,7 @@ int compaq_nvram_load (void __iomem *rom_start, struct controller *ctrl) } while (numbus--) { - bus_node = (struct pci_resource*) kmalloc(sizeof(struct pci_resource), GFP_KERNEL); + bus_node = kmalloc(sizeof(struct pci_resource), GFP_KERNEL); if (!bus_node) break; diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c index 6d3f580f2666a..25d3aadfddbf8 100644 --- a/drivers/pci/hotplug/pciehp_hpc.c +++ b/drivers/pci/hotplug/pciehp_hpc.c @@ -1320,7 +1320,7 @@ int pcie_init(struct controller * ctrl, struct pcie_device *dev) DBG_ENTER_ROUTINE spin_lock_init(&list_lock); - php_ctlr = (struct php_ctlr_state_s *) kmalloc(sizeof(struct php_ctlr_state_s), GFP_KERNEL); + php_ctlr = kmalloc(sizeof(struct php_ctlr_state_s), GFP_KERNEL); if (!php_ctlr) { /* allocate controller state data */ err("%s: HPC controller memory allocation error!\n", __FUNCTION__); diff --git a/drivers/pci/pcie/aer/aerdrv.c b/drivers/pci/pcie/aer/aerdrv.c index 55866b6b26fac..6f5fabbd14e58 100644 --- a/drivers/pci/pcie/aer/aerdrv.c +++ b/drivers/pci/pcie/aer/aerdrv.c @@ -148,7 +148,7 @@ static struct aer_rpc* aer_alloc_rpc(struct pcie_device *dev) { struct aer_rpc *rpc; - if (!(rpc = (struct aer_rpc *)kmalloc(sizeof(struct aer_rpc), + if (!(rpc = kmalloc(sizeof(struct aer_rpc), GFP_KERNEL))) return NULL; diff --git a/drivers/pcmcia/at91_cf.c b/drivers/pcmcia/at91_cf.c index 52d4a38b36673..3334f22a86c06 100644 --- a/drivers/pcmcia/at91_cf.c +++ b/drivers/pcmcia/at91_cf.c @@ -230,7 +230,7 @@ static int __init at91_cf_probe(struct platform_device *pdev) if (!io) return -ENODEV; - cf = kcalloc(1, sizeof *cf, GFP_KERNEL); + cf = kzalloc(sizeof *cf, GFP_KERNEL); if (!cf) return -ENOMEM; diff --git a/drivers/pcmcia/omap_cf.c b/drivers/pcmcia/omap_cf.c index 06bf7f48836ea..e65a6b8188f6c 100644 --- a/drivers/pcmcia/omap_cf.c +++ b/drivers/pcmcia/omap_cf.c @@ -220,7 +220,7 @@ static int __devinit omap_cf_probe(struct device *dev) if (irq < 0) return -EINVAL; - cf = kcalloc(1, sizeof *cf, GFP_KERNEL); + cf = kzalloc(sizeof *cf, GFP_KERNEL); if (!cf) return -ENOMEM; init_timer(&cf->timer); diff --git a/drivers/pnp/isapnp/core.c b/drivers/pnp/isapnp/core.c index 3ac5b123215a0..a0b158704ca1f 100644 --- a/drivers/pnp/isapnp/core.c +++ b/drivers/pnp/isapnp/core.c @@ -395,7 +395,7 @@ static void isapnp_parse_id(struct pnp_dev * dev, unsigned short vendor, unsigne struct pnp_id * id; if (!dev) return; - id = kcalloc(1, sizeof(struct pnp_id), GFP_KERNEL); + id = kzalloc(sizeof(struct pnp_id), GFP_KERNEL); if (!id) return; sprintf(id->id, "%c%c%c%x%x%x%x", @@ -419,7 +419,7 @@ static struct pnp_dev * __init isapnp_parse_device(struct pnp_card *card, int si struct pnp_dev *dev; isapnp_peek(tmp, size); - dev = kcalloc(1, sizeof(struct pnp_dev), GFP_KERNEL); + dev = kzalloc(sizeof(struct pnp_dev), GFP_KERNEL); if (!dev) return NULL; dev->number = number; @@ -450,7 +450,7 @@ static void __init isapnp_parse_irq_resource(struct pnp_option *option, unsigned long bits; isapnp_peek(tmp, size); - irq = kcalloc(1, sizeof(struct pnp_irq), GFP_KERNEL); + irq = kzalloc(sizeof(struct pnp_irq), GFP_KERNEL); if (!irq) return; bits = (tmp[1] << 8) | tmp[0]; @@ -474,7 +474,7 @@ static void __init isapnp_parse_dma_resource(struct pnp_option *option, struct pnp_dma *dma; isapnp_peek(tmp, size); - dma = kcalloc(1, sizeof(struct pnp_dma), GFP_KERNEL); + dma = kzalloc(sizeof(struct pnp_dma), GFP_KERNEL); if (!dma) return; dma->map = tmp[0]; @@ -494,7 +494,7 @@ static void __init isapnp_parse_port_resource(struct pnp_option *option, struct pnp_port *port; isapnp_peek(tmp, size); - port = kcalloc(1, sizeof(struct pnp_port), GFP_KERNEL); + port = kzalloc(sizeof(struct pnp_port), GFP_KERNEL); if (!port) return; port->min = (tmp[2] << 8) | tmp[1]; @@ -517,7 +517,7 @@ static void __init isapnp_parse_fixed_port_resource(struct pnp_option *option, struct pnp_port *port; isapnp_peek(tmp, size); - port = kcalloc(1, sizeof(struct pnp_port), GFP_KERNEL); + port = kzalloc(sizeof(struct pnp_port), GFP_KERNEL); if (!port) return; port->min = port->max = (tmp[1] << 8) | tmp[0]; @@ -539,7 +539,7 @@ static void __init isapnp_parse_mem_resource(struct pnp_option *option, struct pnp_mem *mem; isapnp_peek(tmp, size); - mem = kcalloc(1, sizeof(struct pnp_mem), GFP_KERNEL); + mem = kzalloc(sizeof(struct pnp_mem), GFP_KERNEL); if (!mem) return; mem->min = ((tmp[2] << 8) | tmp[1]) << 8; @@ -562,7 +562,7 @@ static void __init isapnp_parse_mem32_resource(struct pnp_option *option, struct pnp_mem *mem; isapnp_peek(tmp, size); - mem = kcalloc(1, sizeof(struct pnp_mem), GFP_KERNEL); + mem = kzalloc(sizeof(struct pnp_mem), GFP_KERNEL); if (!mem) return; mem->min = (tmp[4] << 24) | (tmp[3] << 16) | (tmp[2] << 8) | tmp[1]; @@ -584,7 +584,7 @@ static void __init isapnp_parse_fixed_mem32_resource(struct pnp_option *option, struct pnp_mem *mem; isapnp_peek(tmp, size); - mem = kcalloc(1, sizeof(struct pnp_mem), GFP_KERNEL); + mem = kzalloc(sizeof(struct pnp_mem), GFP_KERNEL); if (!mem) return; mem->min = mem->max = (tmp[4] << 24) | (tmp[3] << 16) | (tmp[2] << 8) | tmp[1]; @@ -829,7 +829,7 @@ static unsigned char __init isapnp_checksum(unsigned char *data) static void isapnp_parse_card_id(struct pnp_card * card, unsigned short vendor, unsigned short device) { - struct pnp_id * id = kcalloc(1, sizeof(struct pnp_id), GFP_KERNEL); + struct pnp_id * id = kzalloc(sizeof(struct pnp_id), GFP_KERNEL); if (!id) return; sprintf(id->id, "%c%c%c%x%x%x%x", @@ -865,7 +865,7 @@ static int __init isapnp_build_device_list(void) header[4], header[5], header[6], header[7], header[8]); printk(KERN_DEBUG "checksum = 0x%x\n", checksum); #endif - if ((card = kcalloc(1, sizeof(struct pnp_card), GFP_KERNEL)) == NULL) + if ((card = kzalloc(sizeof(struct pnp_card), GFP_KERNEL)) == NULL) continue; card->number = csn; diff --git a/drivers/pnp/pnpacpi/core.c b/drivers/pnp/pnpacpi/core.c index 6cf34a63c7904..62eda5d590241 100644 --- a/drivers/pnp/pnpacpi/core.c +++ b/drivers/pnp/pnpacpi/core.c @@ -139,7 +139,7 @@ static int __init pnpacpi_add_device(struct acpi_device *device) return 0; pnp_dbg("ACPI device : hid %s", acpi_device_hid(device)); - dev = kcalloc(1, sizeof(struct pnp_dev), GFP_KERNEL); + dev = kzalloc(sizeof(struct pnp_dev), GFP_KERNEL); if (!dev) { pnp_err("Out of memory"); return -ENOMEM; @@ -169,7 +169,7 @@ static int __init pnpacpi_add_device(struct acpi_device *device) dev->number = num; /* set the initial values for the PnP device */ - dev_id = kcalloc(1, sizeof(struct pnp_id), GFP_KERNEL); + dev_id = kzalloc(sizeof(struct pnp_id), GFP_KERNEL); if (!dev_id) goto err; pnpidacpi_to_pnpid(acpi_device_hid(device), dev_id->id); @@ -201,7 +201,7 @@ static int __init pnpacpi_add_device(struct acpi_device *device) for (i = 0; i < cid_list->count; i++) { if (!ispnpidacpi(cid_list->id[i].value)) continue; - dev_id = kcalloc(1, sizeof(struct pnp_id), GFP_KERNEL); + dev_id = kzalloc(sizeof(struct pnp_id), GFP_KERNEL); if (!dev_id) continue; diff --git a/drivers/pnp/pnpacpi/rsparser.c b/drivers/pnp/pnpacpi/rsparser.c index 379048fdf05dc..7a535542fe920 100644 --- a/drivers/pnp/pnpacpi/rsparser.c +++ b/drivers/pnp/pnpacpi/rsparser.c @@ -298,7 +298,7 @@ static void pnpacpi_parse_dma_option(struct pnp_option *option, struct acpi_reso if (p->channel_count == 0) return; - dma = kcalloc(1, sizeof(struct pnp_dma), GFP_KERNEL); + dma = kzalloc(sizeof(struct pnp_dma), GFP_KERNEL); if (!dma) return; @@ -354,7 +354,7 @@ static void pnpacpi_parse_irq_option(struct pnp_option *option, if (p->interrupt_count == 0) return; - irq = kcalloc(1, sizeof(struct pnp_irq), GFP_KERNEL); + irq = kzalloc(sizeof(struct pnp_irq), GFP_KERNEL); if (!irq) return; @@ -375,7 +375,7 @@ static void pnpacpi_parse_ext_irq_option(struct pnp_option *option, if (p->interrupt_count == 0) return; - irq = kcalloc(1, sizeof(struct pnp_irq), GFP_KERNEL); + irq = kzalloc(sizeof(struct pnp_irq), GFP_KERNEL); if (!irq) return; @@ -396,7 +396,7 @@ pnpacpi_parse_port_option(struct pnp_option *option, if (io->address_length == 0) return; - port = kcalloc(1, sizeof(struct pnp_port), GFP_KERNEL); + port = kzalloc(sizeof(struct pnp_port), GFP_KERNEL); if (!port) return; port->min = io->minimum; @@ -417,7 +417,7 @@ pnpacpi_parse_fixed_port_option(struct pnp_option *option, if (io->address_length == 0) return; - port = kcalloc(1, sizeof(struct pnp_port), GFP_KERNEL); + port = kzalloc(sizeof(struct pnp_port), GFP_KERNEL); if (!port) return; port->min = port->max = io->address; @@ -436,7 +436,7 @@ pnpacpi_parse_mem24_option(struct pnp_option *option, if (p->address_length == 0) return; - mem = kcalloc(1, sizeof(struct pnp_mem), GFP_KERNEL); + mem = kzalloc(sizeof(struct pnp_mem), GFP_KERNEL); if (!mem) return; mem->min = p->minimum; @@ -459,7 +459,7 @@ pnpacpi_parse_mem32_option(struct pnp_option *option, if (p->address_length == 0) return; - mem = kcalloc(1, sizeof(struct pnp_mem), GFP_KERNEL); + mem = kzalloc(sizeof(struct pnp_mem), GFP_KERNEL); if (!mem) return; mem->min = p->minimum; @@ -482,7 +482,7 @@ pnpacpi_parse_fixed_mem32_option(struct pnp_option *option, if (p->address_length == 0) return; - mem = kcalloc(1, sizeof(struct pnp_mem), GFP_KERNEL); + mem = kzalloc(sizeof(struct pnp_mem), GFP_KERNEL); if (!mem) return; mem->min = mem->max = p->address; @@ -514,7 +514,7 @@ pnpacpi_parse_address_option(struct pnp_option *option, struct acpi_resource *r) return; if (p->resource_type == ACPI_MEMORY_RANGE) { - mem = kcalloc(1, sizeof(struct pnp_mem), GFP_KERNEL); + mem = kzalloc(sizeof(struct pnp_mem), GFP_KERNEL); if (!mem) return; mem->min = mem->max = p->minimum; @@ -524,7 +524,7 @@ pnpacpi_parse_address_option(struct pnp_option *option, struct acpi_resource *r) ACPI_READ_WRITE_MEMORY) ? IORESOURCE_MEM_WRITEABLE : 0; pnp_register_mem_resource(option, mem); } else if (p->resource_type == ACPI_IO_RANGE) { - port = kcalloc(1, sizeof(struct pnp_port), GFP_KERNEL); + port = kzalloc(sizeof(struct pnp_port), GFP_KERNEL); if (!port) return; port->min = port->max = p->minimum; @@ -721,7 +721,7 @@ int pnpacpi_build_resource_template(acpi_handle handle, if (!res_cnt) return -EINVAL; buffer->length = sizeof(struct acpi_resource) * (res_cnt + 1) + 1; - buffer->pointer = kcalloc(1, buffer->length - 1, GFP_KERNEL); + buffer->pointer = kzalloc(buffer->length - 1, GFP_KERNEL); if (!buffer->pointer) return -ENOMEM; pnp_dbg("Res cnt %d", res_cnt); diff --git a/drivers/pnp/pnpbios/core.c b/drivers/pnp/pnpbios/core.c index 33adeba1a31f1..95738dbd5d455 100644 --- a/drivers/pnp/pnpbios/core.c +++ b/drivers/pnp/pnpbios/core.c @@ -109,10 +109,10 @@ static int pnp_dock_event(int dock, struct pnp_docking_station_info *info) if (!current->fs->root) { return -EAGAIN; } - if (!(envp = (char **) kcalloc (20, sizeof (char *), GFP_KERNEL))) { + if (!(envp = kcalloc(20, sizeof (char *), GFP_KERNEL))) { return -ENOMEM; } - if (!(buf = kcalloc (1, 256, GFP_KERNEL))) { + if (!(buf = kzalloc(256, GFP_KERNEL))) { kfree (envp); return -ENOMEM; } @@ -220,7 +220,7 @@ static int pnpbios_get_resources(struct pnp_dev * dev, struct pnp_resource_table if(!pnpbios_is_dynamic(dev)) return -EPERM; - node = kcalloc(1, node_info.max_node_size, GFP_KERNEL); + node = kzalloc(node_info.max_node_size, GFP_KERNEL); if (!node) return -1; if (pnp_bios_get_dev_node(&nodenum, (char )PNPMODE_DYNAMIC, node)) { @@ -243,7 +243,7 @@ static int pnpbios_set_resources(struct pnp_dev * dev, struct pnp_resource_table if (!pnpbios_is_dynamic(dev)) return -EPERM; - node = kcalloc(1, node_info.max_node_size, GFP_KERNEL); + node = kzalloc(node_info.max_node_size, GFP_KERNEL); if (!node) return -1; if (pnp_bios_get_dev_node(&nodenum, (char )PNPMODE_DYNAMIC, node)) { @@ -294,7 +294,7 @@ static int pnpbios_disable_resources(struct pnp_dev *dev) if(dev->flags & PNPBIOS_NO_DISABLE || !pnpbios_is_dynamic(dev)) return -EPERM; - node = kcalloc(1, node_info.max_node_size, GFP_KERNEL); + node = kzalloc(node_info.max_node_size, GFP_KERNEL); if (!node) return -ENOMEM; @@ -336,7 +336,7 @@ static int insert_device(struct pnp_dev *dev, struct pnp_bios_node * node) } /* set the initial values for the PnP device */ - dev_id = kcalloc(1, sizeof(struct pnp_id), GFP_KERNEL); + dev_id = kzalloc(sizeof(struct pnp_id), GFP_KERNEL); if (!dev_id) return -1; pnpid32_to_pnpid(node->eisa_id,id); @@ -374,7 +374,7 @@ static void __init build_devlist(void) struct pnp_bios_node *node; struct pnp_dev *dev; - node = kcalloc(1, node_info.max_node_size, GFP_KERNEL); + node = kzalloc(node_info.max_node_size, GFP_KERNEL); if (!node) return; @@ -391,7 +391,7 @@ static void __init build_devlist(void) break; } nodes_got++; - dev = kcalloc(1, sizeof (struct pnp_dev), GFP_KERNEL); + dev = kzalloc(sizeof (struct pnp_dev), GFP_KERNEL); if (!dev) break; if(insert_device(dev,node)<0) diff --git a/drivers/pnp/pnpbios/proc.c b/drivers/pnp/pnpbios/proc.c index 5a3dfc97f5e90..8027073f7919b 100644 --- a/drivers/pnp/pnpbios/proc.c +++ b/drivers/pnp/pnpbios/proc.c @@ -87,7 +87,7 @@ static int proc_read_escd(char *buf, char **start, off_t pos, return -EFBIG; } - tmpbuf = kcalloc(1, escd.escd_size, GFP_KERNEL); + tmpbuf = kzalloc(escd.escd_size, GFP_KERNEL); if (!tmpbuf) return -ENOMEM; if (pnp_bios_read_escd(tmpbuf, escd.nv_storage_base)) { @@ -133,7 +133,7 @@ static int proc_read_devices(char *buf, char **start, off_t pos, if (pos >= 0xff) return 0; - node = kcalloc(1, node_info.max_node_size, GFP_KERNEL); + node = kzalloc(node_info.max_node_size, GFP_KERNEL); if (!node) return -ENOMEM; for (nodenum=pos; nodenum<0xff; ) { @@ -168,7 +168,7 @@ static int proc_read_node(char *buf, char **start, off_t pos, u8 nodenum = (long)data; int len; - node = kcalloc(1, node_info.max_node_size, GFP_KERNEL); + node = kzalloc(node_info.max_node_size, GFP_KERNEL); if (!node) return -ENOMEM; if (pnp_bios_get_dev_node(&nodenum, boot, node)) { kfree(node); @@ -188,7 +188,7 @@ static int proc_write_node(struct file *file, const char __user *buf, u8 nodenum = (long)data; int ret = count; - node = kcalloc(1, node_info.max_node_size, GFP_KERNEL); + node = kzalloc(node_info.max_node_size, GFP_KERNEL); if (!node) return -ENOMEM; if (pnp_bios_get_dev_node(&nodenum, boot, node)) { diff --git a/drivers/pnp/pnpbios/rsparser.c b/drivers/pnp/pnpbios/rsparser.c index ef508a4de557f..95b79685a9d1e 100644 --- a/drivers/pnp/pnpbios/rsparser.c +++ b/drivers/pnp/pnpbios/rsparser.c @@ -248,7 +248,7 @@ static void pnpbios_parse_mem_option(unsigned char *p, int size, struct pnp_option *option) { struct pnp_mem * mem; - mem = kcalloc(1, sizeof(struct pnp_mem), GFP_KERNEL); + mem = kzalloc(sizeof(struct pnp_mem), GFP_KERNEL); if (!mem) return; mem->min = ((p[5] << 8) | p[4]) << 8; @@ -264,7 +264,7 @@ static void pnpbios_parse_mem32_option(unsigned char *p, int size, struct pnp_option *option) { struct pnp_mem * mem; - mem = kcalloc(1, sizeof(struct pnp_mem), GFP_KERNEL); + mem = kzalloc(sizeof(struct pnp_mem), GFP_KERNEL); if (!mem) return; mem->min = (p[7] << 24) | (p[6] << 16) | (p[5] << 8) | p[4]; @@ -280,7 +280,7 @@ static void pnpbios_parse_fixed_mem32_option(unsigned char *p, int size, struct pnp_option *option) { struct pnp_mem * mem; - mem = kcalloc(1, sizeof(struct pnp_mem), GFP_KERNEL); + mem = kzalloc(sizeof(struct pnp_mem), GFP_KERNEL); if (!mem) return; mem->min = mem->max = (p[7] << 24) | (p[6] << 16) | (p[5] << 8) | p[4]; @@ -297,7 +297,7 @@ pnpbios_parse_irq_option(unsigned char *p, int size, struct pnp_option *option) struct pnp_irq * irq; unsigned long bits; - irq = kcalloc(1, sizeof(struct pnp_irq), GFP_KERNEL); + irq = kzalloc(sizeof(struct pnp_irq), GFP_KERNEL); if (!irq) return; bits = (p[2] << 8) | p[1]; @@ -314,7 +314,7 @@ static void pnpbios_parse_dma_option(unsigned char *p, int size, struct pnp_option *option) { struct pnp_dma * dma; - dma = kcalloc(1, sizeof(struct pnp_dma), GFP_KERNEL); + dma = kzalloc(sizeof(struct pnp_dma), GFP_KERNEL); if (!dma) return; dma->map = p[1]; @@ -327,7 +327,7 @@ static void pnpbios_parse_port_option(unsigned char *p, int size, struct pnp_option *option) { struct pnp_port * port; - port = kcalloc(1, sizeof(struct pnp_port), GFP_KERNEL); + port = kzalloc(sizeof(struct pnp_port), GFP_KERNEL); if (!port) return; port->min = (p[3] << 8) | p[2]; @@ -343,7 +343,7 @@ static void pnpbios_parse_fixed_port_option(unsigned char *p, int size, struct pnp_option *option) { struct pnp_port * port; - port = kcalloc(1, sizeof(struct pnp_port), GFP_KERNEL); + port = kzalloc(sizeof(struct pnp_port), GFP_KERNEL); if (!port) return; port->min = port->max = (p[2] << 8) | p[1]; @@ -527,7 +527,7 @@ pnpbios_parse_compatible_ids(unsigned char *p, unsigned char *end, struct pnp_de case SMALL_TAG_COMPATDEVID: /* compatible ID */ if (len != 4) goto len_err; - dev_id = kcalloc(1, sizeof (struct pnp_id), GFP_KERNEL); + dev_id = kzalloc(sizeof (struct pnp_id), GFP_KERNEL); if (!dev_id) return NULL; memset(dev_id, 0, sizeof(struct pnp_id)); diff --git a/drivers/rtc/rtc-at91rm9200.c b/drivers/rtc/rtc-at91rm9200.c index 5c8addcaf1fbd..4f654c901c64d 100644 --- a/drivers/rtc/rtc-at91rm9200.c +++ b/drivers/rtc/rtc-at91rm9200.c @@ -137,6 +137,9 @@ static int at91_rtc_readalarm(struct device *dev, struct rtc_wkalrm *alrm) tm->tm_yday = rtc_year_days(tm->tm_mday, tm->tm_mon, tm->tm_year); tm->tm_year = at91_alarm_year - 1900; + alrm->enabled = (at91_sys_read(AT91_RTC_IMR) & AT91_RTC_ALARM) + ? 1 : 0; + pr_debug("%s(): %4d-%02d-%02d %02d:%02d:%02d\n", __FUNCTION__, 1900 + tm->tm_year, tm->tm_mon, tm->tm_mday, tm->tm_hour, tm->tm_min, tm->tm_sec); @@ -223,8 +226,6 @@ static int at91_rtc_proc(struct device *dev, struct seq_file *seq) { unsigned long imr = at91_sys_read(AT91_RTC_IMR); - seq_printf(seq, "alarm_IRQ\t: %s\n", - (imr & AT91_RTC_ALARM) ? "yes" : "no"); seq_printf(seq, "update_IRQ\t: %s\n", (imr & AT91_RTC_ACKUPD) ? "yes" : "no"); seq_printf(seq, "periodic_IRQ\t: %s\n", diff --git a/drivers/rtc/rtc-dev.c b/drivers/rtc/rtc-dev.c index 828b329e08e0c..94d3df62a5fa8 100644 --- a/drivers/rtc/rtc-dev.c +++ b/drivers/rtc/rtc-dev.c @@ -435,7 +435,7 @@ static int rtc_dev_add_device(struct class_device *class_dev, goto err_cdev_del; } - dev_info(class_dev->dev, "rtc intf: dev (%d:%d)\n", + dev_dbg(class_dev->dev, "rtc intf: dev (%d:%d)\n", MAJOR(rtc->rtc_dev->devt), MINOR(rtc->rtc_dev->devt)); diff --git a/drivers/rtc/rtc-omap.c b/drivers/rtc/rtc-omap.c index eac5fb1fc02f4..d59880d44fba2 100644 --- a/drivers/rtc/rtc-omap.c +++ b/drivers/rtc/rtc-omap.c @@ -279,9 +279,8 @@ static int omap_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alm) local_irq_enable(); bcd2tm(&alm->time); - alm->pending = !!(rtc_read(OMAP_RTC_INTERRUPTS_REG) + alm->enabled = !!(rtc_read(OMAP_RTC_INTERRUPTS_REG) & OMAP_RTC_INTERRUPTS_IT_ALARM); - alm->enabled = alm->pending && device_may_wakeup(dev); return 0; } diff --git a/drivers/rtc/rtc-proc.c b/drivers/rtc/rtc-proc.c index d51d8f20e634e..c272afd621732 100644 --- a/drivers/rtc/rtc-proc.c +++ b/drivers/rtc/rtc-proc.c @@ -65,7 +65,7 @@ static int rtc_proc_show(struct seq_file *seq, void *offset) seq_printf(seq, "%02d\n", alrm.time.tm_mday); else seq_printf(seq, "**\n"); - seq_printf(seq, "alrm_wakeup\t: %s\n", + seq_printf(seq, "alarm_IRQ\t: %s\n", alrm.enabled ? "yes" : "no"); seq_printf(seq, "alrm_pending\t: %s\n", alrm.pending ? "yes" : "no"); @@ -120,7 +120,7 @@ static int rtc_proc_add_device(struct class_device *class_dev, ent->owner = rtc->owner; ent->data = class_dev; - dev_info(class_dev->dev, "rtc intf: proc\n"); + dev_dbg(class_dev->dev, "rtc intf: proc\n"); } else rtc_dev = NULL; diff --git a/drivers/rtc/rtc-s3c.c b/drivers/rtc/rtc-s3c.c index e301dea57bb37..f406a2b55aea8 100644 --- a/drivers/rtc/rtc-s3c.c +++ b/drivers/rtc/rtc-s3c.c @@ -191,6 +191,8 @@ static int s3c_rtc_getalarm(struct device *dev, struct rtc_wkalrm *alrm) alm_en = readb(base + S3C2410_RTCALM); + alrm->enabled = (alm_en & S3C2410_RTCALM_ALMEN) ? 1 : 0; + pr_debug("read alarm %02x %02x.%02x.%02x %02x/%02x/%02x\n", alm_en, alm_tm->tm_year, alm_tm->tm_mon, alm_tm->tm_mday, @@ -331,12 +333,8 @@ static int s3c_rtc_ioctl(struct device *dev, static int s3c_rtc_proc(struct device *dev, struct seq_file *seq) { - unsigned int rtcalm = readb(s3c_rtc_base + S3C2410_RTCALM); unsigned int ticnt = readb(s3c_rtc_base + S3C2410_TICNT); - seq_printf(seq, "alarm_IRQ\t: %s\n", - (rtcalm & S3C2410_RTCALM_ALMEN) ? "yes" : "no" ); - seq_printf(seq, "periodic_IRQ\t: %s\n", (ticnt & S3C2410_TICNT_ENABLE) ? "yes" : "no" ); diff --git a/drivers/rtc/rtc-sa1100.c b/drivers/rtc/rtc-sa1100.c index bd4d7d174ef4a..9c8ead43a59c3 100644 --- a/drivers/rtc/rtc-sa1100.c +++ b/drivers/rtc/rtc-sa1100.c @@ -289,9 +289,7 @@ static int sa1100_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm) static int sa1100_rtc_proc(struct device *dev, struct seq_file *seq) { - seq_printf(seq, "trim/divider\t: 0x%08lx\n", RTTR); - seq_printf(seq, "alarm_IRQ\t: %s\n", - (RTSR & RTSR_ALE) ? "yes" : "no" ); + seq_printf(seq, "trim/divider\t: 0x%08x\n", (u32) RTTR); seq_printf(seq, "update_IRQ\t: %s\n", (RTSR & RTSR_HZE) ? "yes" : "no"); seq_printf(seq, "periodic_IRQ\t: %s\n", diff --git a/drivers/rtc/rtc-sysfs.c b/drivers/rtc/rtc-sysfs.c index 625637b84d334..9418a59fb368a 100644 --- a/drivers/rtc/rtc-sysfs.c +++ b/drivers/rtc/rtc-sysfs.c @@ -83,7 +83,7 @@ static int __devinit rtc_sysfs_add_device(struct class_device *class_dev, { int err; - dev_info(class_dev->dev, "rtc intf: sysfs\n"); + dev_dbg(class_dev->dev, "rtc intf: sysfs\n"); err = sysfs_create_group(&class_dev->kobj, &rtc_attr_group); if (err) diff --git a/drivers/s390/char/con3215.c b/drivers/s390/char/con3215.c index c9321b920e904..25b5d7a664179 100644 --- a/drivers/s390/char/con3215.c +++ b/drivers/s390/char/con3215.c @@ -688,7 +688,7 @@ raw3215_probe (struct ccw_device *cdev) raw->cdev = cdev; raw->inbuf = (char *) raw + sizeof(struct raw3215_info); memset(raw, 0, sizeof(struct raw3215_info)); - raw->buffer = (char *) kmalloc(RAW3215_BUFFER_SIZE, + raw->buffer = kmalloc(RAW3215_BUFFER_SIZE, GFP_KERNEL|GFP_DMA); if (raw->buffer == NULL) { spin_lock(&raw3215_device_lock); diff --git a/drivers/s390/char/keyboard.c b/drivers/s390/char/keyboard.c index e3491a5f52196..3e86fd1756e5d 100644 --- a/drivers/s390/char/keyboard.c +++ b/drivers/s390/char/keyboard.c @@ -377,7 +377,7 @@ do_kdsk_ioctl(struct kbd_data *kbd, struct kbentry __user *user_kbe, if (!(key_map = kbd->key_maps[tmp.kb_table])) { int j; - key_map = (ushort *) kmalloc(sizeof(plain_map), + key_map = kmalloc(sizeof(plain_map), GFP_KERNEL); if (!key_map) return -ENOMEM; diff --git a/drivers/s390/char/sclp_cpi.c b/drivers/s390/char/sclp_cpi.c index 732dfbdb85c45..4f873ae148b72 100644 --- a/drivers/s390/char/sclp_cpi.c +++ b/drivers/s390/char/sclp_cpi.c @@ -49,6 +49,8 @@ static struct sclp_register sclp_cpi_event = .send_mask = EvTyp_CtlProgIdent_Mask }; +MODULE_LICENSE("GPL"); + MODULE_AUTHOR( "Martin Peschke, IBM Deutschland Entwicklung GmbH " "<mpeschke@de.ibm.com>"); @@ -127,7 +129,7 @@ cpi_prepare_req(void) struct cpi_sccb *sccb; struct cpi_evbuf *evb; - req = (struct sclp_req *) kmalloc(sizeof(struct sclp_req), GFP_KERNEL); + req = kmalloc(sizeof(struct sclp_req), GFP_KERNEL); if (req == NULL) return ERR_PTR(-ENOMEM); sccb = (struct cpi_sccb *) __get_free_page(GFP_KERNEL | GFP_DMA); diff --git a/drivers/s390/cio/cio.c b/drivers/s390/cio/cio.c index 7835a714a405c..3a403f195cf83 100644 --- a/drivers/s390/cio/cio.c +++ b/drivers/s390/cio/cio.c @@ -871,11 +871,32 @@ __clear_subchannel_easy(struct subchannel_id schid) return -EBUSY; } +static int pgm_check_occured; + +static void cio_reset_pgm_check_handler(void) +{ + pgm_check_occured = 1; +} + +static int stsch_reset(struct subchannel_id schid, volatile struct schib *addr) +{ + int rc; + + pgm_check_occured = 0; + s390_reset_pgm_handler = cio_reset_pgm_check_handler; + rc = stsch(schid, addr); + s390_reset_pgm_handler = NULL; + if (pgm_check_occured) + return -EIO; + else + return rc; +} + static int __shutdown_subchannel_easy(struct subchannel_id schid, void *data) { struct schib schib; - if (stsch_err(schid, &schib)) + if (stsch_reset(schid, &schib)) return -ENXIO; if (!schib.pmcw.ena) return 0; @@ -972,7 +993,7 @@ static int __reipl_subchannel_match(struct subchannel_id schid, void *data) struct schib schib; struct sch_match_id *match_id = data; - if (stsch_err(schid, &schib)) + if (stsch_reset(schid, &schib)) return -ENXIO; if (schib.pmcw.dnv && (schib.pmcw.dev == match_id->devid.devno) && diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c index 4c81d890791e4..9d6c02446863c 100644 --- a/drivers/s390/cio/css.c +++ b/drivers/s390/cio/css.c @@ -139,6 +139,8 @@ css_register_subchannel(struct subchannel *sch) sch->dev.release = &css_subchannel_release; sch->dev.groups = subch_attr_groups; + css_get_ssd_info(sch); + /* make it known to the system */ ret = css_sch_device_register(sch); if (ret) { @@ -146,7 +148,6 @@ css_register_subchannel(struct subchannel *sch) __func__, sch->dev.bus_id); return ret; } - css_get_ssd_info(sch); return ret; } diff --git a/drivers/s390/cio/qdio.c b/drivers/s390/cio/qdio.c index 9d4ea449a608c..6fd1940842ebd 100644 --- a/drivers/s390/cio/qdio.c +++ b/drivers/s390/cio/qdio.c @@ -979,12 +979,11 @@ __qdio_outbound_processing(struct qdio_q *q) if (q->is_iqdio_q) { /* - * for asynchronous queues, we better check, if the fill - * level is too high. for synchronous queues, the fill - * level will never be that high. + * for asynchronous queues, we better check, if the sent + * buffer is already switched from PRIMED to EMPTY. */ - if (atomic_read(&q->number_of_buffers_used)> - IQDIO_FILL_LEVEL_TO_POLL) + if ((q->queue_type == QDIO_IQDIO_QFMT_ASYNCH) && + !qdio_is_outbound_q_done(q)) qdio_mark_q(q); } else if (!q->hydra_gives_outbound_pcis) @@ -1825,6 +1824,10 @@ qdio_fill_qs(struct qdio_irq *irq_ptr, struct ccw_device *cdev, q->sbal[j]=*(outbound_sbals_array++); q->queue_type=q_format; + if ((q->queue_type == QDIO_IQDIO_QFMT) && + (no_output_qs > 1) && + (i == no_output_qs-1)) + q->queue_type = QDIO_IQDIO_QFMT_ASYNCH; q->int_parm=int_parm; q->is_input_q=0; q->schid = irq_ptr->schid; diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c index ad60afe5dd11c..81b5899f40100 100644 --- a/drivers/s390/crypto/ap_bus.c +++ b/drivers/s390/crypto/ap_bus.c @@ -1129,7 +1129,15 @@ static void ap_poll_thread_stop(void) mutex_unlock(&ap_poll_thread_mutex); } -static void ap_reset(void) +static void ap_reset_domain(void) +{ + int i; + + for (i = 0; i < AP_DEVICES; i++) + ap_reset_queue(AP_MKQID(i, ap_domain_index)); +} + +static void ap_reset_all(void) { int i, j; @@ -1139,7 +1147,7 @@ static void ap_reset(void) } static struct reset_call ap_reset_call = { - .fn = ap_reset, + .fn = ap_reset_all, }; /** @@ -1229,10 +1237,12 @@ void ap_module_exit(void) int i; struct device *dev; + ap_reset_domain(); ap_poll_thread_stop(); del_timer_sync(&ap_config_timer); del_timer_sync(&ap_poll_timer); destroy_workqueue(ap_work_queue); + tasklet_kill(&ap_tasklet); s390_root_dev_unregister(ap_root_device); while ((dev = bus_find_device(&ap_bus_type, NULL, NULL, __ap_match_all))) diff --git a/drivers/s390/crypto/zcrypt_cex2a.c b/drivers/s390/crypto/zcrypt_cex2a.c index a62b00083d0cb..5bb13a9d08989 100644 --- a/drivers/s390/crypto/zcrypt_cex2a.c +++ b/drivers/s390/crypto/zcrypt_cex2a.c @@ -295,7 +295,7 @@ static long zcrypt_cex2a_modexpo(struct zcrypt_device *zdev, struct completion work; int rc; - ap_msg.message = (void *) kmalloc(CEX2A_MAX_MESSAGE_SIZE, GFP_KERNEL); + ap_msg.message = kmalloc(CEX2A_MAX_MESSAGE_SIZE, GFP_KERNEL); if (!ap_msg.message) return -ENOMEM; ap_msg.psmid = (((unsigned long long) current->pid) << 32) + @@ -337,7 +337,7 @@ static long zcrypt_cex2a_modexpo_crt(struct zcrypt_device *zdev, struct completion work; int rc; - ap_msg.message = (void *) kmalloc(CEX2A_MAX_MESSAGE_SIZE, GFP_KERNEL); + ap_msg.message = kmalloc(CEX2A_MAX_MESSAGE_SIZE, GFP_KERNEL); if (!ap_msg.message) return -ENOMEM; ap_msg.psmid = (((unsigned long long) current->pid) << 32) + diff --git a/drivers/s390/crypto/zcrypt_pcica.c b/drivers/s390/crypto/zcrypt_pcica.c index b6a4ecdc80257..32e37014345c6 100644 --- a/drivers/s390/crypto/zcrypt_pcica.c +++ b/drivers/s390/crypto/zcrypt_pcica.c @@ -279,7 +279,7 @@ static long zcrypt_pcica_modexpo(struct zcrypt_device *zdev, struct completion work; int rc; - ap_msg.message = (void *) kmalloc(PCICA_MAX_MESSAGE_SIZE, GFP_KERNEL); + ap_msg.message = kmalloc(PCICA_MAX_MESSAGE_SIZE, GFP_KERNEL); if (!ap_msg.message) return -ENOMEM; ap_msg.psmid = (((unsigned long long) current->pid) << 32) + @@ -321,7 +321,7 @@ static long zcrypt_pcica_modexpo_crt(struct zcrypt_device *zdev, struct completion work; int rc; - ap_msg.message = (void *) kmalloc(PCICA_MAX_MESSAGE_SIZE, GFP_KERNEL); + ap_msg.message = kmalloc(PCICA_MAX_MESSAGE_SIZE, GFP_KERNEL); if (!ap_msg.message) return -ENOMEM; ap_msg.psmid = (((unsigned long long) current->pid) << 32) + diff --git a/drivers/s390/crypto/zcrypt_pcixcc.c b/drivers/s390/crypto/zcrypt_pcixcc.c index 2da8b9381407e..b7153c1e15cde 100644 --- a/drivers/s390/crypto/zcrypt_pcixcc.c +++ b/drivers/s390/crypto/zcrypt_pcixcc.c @@ -717,7 +717,7 @@ long zcrypt_pcixcc_send_cprb(struct zcrypt_device *zdev, struct ica_xcRB *xcRB) }; int rc; - ap_msg.message = (void *) kmalloc(PCIXCC_MAX_XCRB_MESSAGE_SIZE, GFP_KERNEL); + ap_msg.message = kmalloc(PCIXCC_MAX_XCRB_MESSAGE_SIZE, GFP_KERNEL); if (!ap_msg.message) return -ENOMEM; ap_msg.psmid = (((unsigned long long) current->pid) << 32) + diff --git a/drivers/s390/net/ctcmain.c b/drivers/s390/net/ctcmain.c index 3257c22dd79cc..03cc263fe0daf 100644 --- a/drivers/s390/net/ctcmain.c +++ b/drivers/s390/net/ctcmain.c @@ -1646,7 +1646,7 @@ add_channel(struct ccw_device *cdev, enum channel_types type) return -1; } memset(ch, 0, sizeof (struct channel)); - if ((ch->ccw = (struct ccw1 *) kmalloc(8*sizeof(struct ccw1), + if ((ch->ccw = kmalloc(8*sizeof(struct ccw1), GFP_KERNEL | GFP_DMA)) == NULL) { kfree(ch); ctc_pr_warn("ctc: Out of memory in add_channel\n"); @@ -1693,7 +1693,7 @@ add_channel(struct ccw_device *cdev, enum channel_types type) return -1; } fsm_newstate(ch->fsm, CH_STATE_IDLE); - if ((ch->irb = (struct irb *) kmalloc(sizeof (struct irb), + if ((ch->irb = kmalloc(sizeof (struct irb), GFP_KERNEL)) == NULL) { ctc_pr_warn("ctc: Out of memory in add_channel\n"); kfree_fsm(ch->fsm); @@ -2535,7 +2535,7 @@ ctc_print_statistics(struct ctc_priv *priv) DBF_TEXT(trace, 4, __FUNCTION__); if (!priv) return; - sbuf = (char *)kmalloc(2048, GFP_KERNEL); + sbuf = kmalloc(2048, GFP_KERNEL); if (sbuf == NULL) return; p = sbuf; diff --git a/drivers/s390/net/iucv.c b/drivers/s390/net/iucv.c index 1476ce2b437cb..229aeb5fc399b 100644 --- a/drivers/s390/net/iucv.c +++ b/drivers/s390/net/iucv.c @@ -772,7 +772,7 @@ iucv_register_program (__u8 pgmname[16], } /* Allocate handler entry */ - new_handler = (handler *)kmalloc(sizeof(handler), GFP_ATOMIC); + new_handler = kmalloc(sizeof(handler), GFP_ATOMIC); if (new_handler == NULL) { printk(KERN_WARNING "%s: storage allocation for new handler " "failed.\n", __FUNCTION__); diff --git a/drivers/s390/scsi/zfcp_aux.c b/drivers/s390/scsi/zfcp_aux.c index 5d39b2df0cc43..85093b71f9fa5 100644 --- a/drivers/s390/scsi/zfcp_aux.c +++ b/drivers/s390/scsi/zfcp_aux.c @@ -237,7 +237,7 @@ zfcp_device_setup(char *devstr) return 0; len = strlen(devstr) + 1; - str = (char *) kmalloc(len, GFP_KERNEL); + str = kmalloc(len, GFP_KERNEL); if (!str) goto err_out; memcpy(str, devstr, len); diff --git a/drivers/sbus/char/vfc_dev.c b/drivers/sbus/char/vfc_dev.c index 2722af5d34042..386e7de0b7e3c 100644 --- a/drivers/sbus/char/vfc_dev.c +++ b/drivers/sbus/char/vfc_dev.c @@ -659,7 +659,7 @@ static int vfc_probe(void) if (!cards) return -ENODEV; - vfc_dev_lst = (struct vfc_dev **)kmalloc(sizeof(struct vfc_dev *) * + vfc_dev_lst = kmalloc(sizeof(struct vfc_dev *) * (cards+1), GFP_KERNEL); if (vfc_dev_lst == NULL) diff --git a/drivers/scsi/aacraid/aachba.c b/drivers/scsi/aacraid/aachba.c index ac108f9e26741..426cd6f49f5db 100644 --- a/drivers/scsi/aacraid/aachba.c +++ b/drivers/scsi/aacraid/aachba.c @@ -288,7 +288,7 @@ int aac_get_containers(struct aac_dev *dev) if (maximum_num_containers < MAXIMUM_NUM_CONTAINERS) maximum_num_containers = MAXIMUM_NUM_CONTAINERS; - fsa_dev_ptr = (struct fsa_dev_info *) kmalloc( + fsa_dev_ptr = kmalloc( sizeof(*fsa_dev_ptr) * maximum_num_containers, GFP_KERNEL); if (!fsa_dev_ptr) { aac_fib_free(fibptr); diff --git a/drivers/scsi/aacraid/comminit.c b/drivers/scsi/aacraid/comminit.c index d5cf8b91a0e7a..6d305b2f854e2 100644 --- a/drivers/scsi/aacraid/comminit.c +++ b/drivers/scsi/aacraid/comminit.c @@ -386,7 +386,7 @@ struct aac_dev *aac_init_adapter(struct aac_dev *dev) * Ok now init the communication subsystem */ - dev->queues = (struct aac_queue_block *) kmalloc(sizeof(struct aac_queue_block), GFP_KERNEL); + dev->queues = kmalloc(sizeof(struct aac_queue_block), GFP_KERNEL); if (dev->queues == NULL) { printk(KERN_ERR "Error could not allocate comm region.\n"); return NULL; diff --git a/drivers/scsi/aha1542.c b/drivers/scsi/aha1542.c index d7a61a6bdaae0..1d239f6c01030 100644 --- a/drivers/scsi/aha1542.c +++ b/drivers/scsi/aha1542.c @@ -699,7 +699,7 @@ static int aha1542_queuecommand(Scsi_Cmnd * SCpnt, void (*done) (Scsi_Cmnd *)) #endif int i; ccb[mbo].op = 2; /* SCSI Initiator Command w/scatter-gather */ - SCpnt->host_scribble = (unsigned char *) kmalloc(512, GFP_KERNEL | GFP_DMA); + SCpnt->host_scribble = kmalloc(512, GFP_KERNEL | GFP_DMA); sgpnt = (struct scatterlist *) SCpnt->request_buffer; cptr = (struct chain *) SCpnt->host_scribble; if (cptr == NULL) { diff --git a/drivers/scsi/aic7xxx_old.c b/drivers/scsi/aic7xxx_old.c index 46eed10b25d95..7d1fec620948b 100644 --- a/drivers/scsi/aic7xxx_old.c +++ b/drivers/scsi/aic7xxx_old.c @@ -2565,7 +2565,7 @@ aic7xxx_allocate_scb(struct aic7xxx_host *p) } } scb_count = min( (i-1), p->scb_data->maxscbs - p->scb_data->numscbs); - scb_ap = (struct aic7xxx_scb *)kmalloc(sizeof (struct aic7xxx_scb) * scb_count + scb_ap = kmalloc(sizeof (struct aic7xxx_scb) * scb_count + sizeof(struct aic7xxx_scb_dma), GFP_ATOMIC); if (scb_ap == NULL) return(0); diff --git a/drivers/scsi/dc395x.c b/drivers/scsi/dc395x.c index e95b367d09edd..a965ed3548d55 100644 --- a/drivers/scsi/dc395x.c +++ b/drivers/scsi/dc395x.c @@ -4319,7 +4319,7 @@ static int __devinit adapter_sg_tables_alloc(struct AdapterCtlBlk *acb) dprintkdbg(DBG_1, "Allocate %i pages for SG tables\n", pages); while (pages--) { - ptr = (struct SGentry *)kmalloc(PAGE_SIZE, GFP_KERNEL); + ptr = kmalloc(PAGE_SIZE, GFP_KERNEL); if (!ptr) { adapter_sg_tables_free(acb); return 1; diff --git a/drivers/scsi/dpt_i2o.c b/drivers/scsi/dpt_i2o.c index 60b1b434eba75..365db537a28da 100644 --- a/drivers/scsi/dpt_i2o.c +++ b/drivers/scsi/dpt_i2o.c @@ -297,7 +297,7 @@ static void adpt_inquiry(adpt_hba* pHba) s32 rcode; memset(msg, 0, sizeof(msg)); - buf = (u8*)kmalloc(80,GFP_KERNEL|ADDR32); + buf = kmalloc(80,GFP_KERNEL|ADDR32); if(!buf){ printk(KERN_ERR"%s: Could not allocate buffer\n",pHba->name); return; @@ -1311,7 +1311,7 @@ static s32 adpt_i2o_reset_hba(adpt_hba* pHba) schedule_timeout_uninterruptible(1); } while (m == EMPTY_QUEUE); - status = (u8*)kmalloc(4, GFP_KERNEL|ADDR32); + status = kmalloc(4, GFP_KERNEL|ADDR32); if(status == NULL) { adpt_send_nop(pHba, m); printk(KERN_ERR"IOP reset failed - no free memory.\n"); @@ -1444,7 +1444,7 @@ static int adpt_i2o_parse_lct(adpt_hba* pHba) } continue; } - d = (struct i2o_device *)kmalloc(sizeof(struct i2o_device), GFP_KERNEL); + d = kmalloc(sizeof(struct i2o_device), GFP_KERNEL); if(d==NULL) { printk(KERN_CRIT"%s: Out of memory for I2O device data.\n",pHba->name); @@ -2425,7 +2425,7 @@ static s32 adpt_i2o_reparse_lct(adpt_hba* pHba) pDev = pDev->next_lun; } if(!pDev ) { // Something new add it - d = (struct i2o_device *)kmalloc(sizeof(struct i2o_device), GFP_KERNEL); + d = kmalloc(sizeof(struct i2o_device), GFP_KERNEL); if(d==NULL) { printk(KERN_CRIT "Out of memory for I2O device data.\n"); @@ -2728,7 +2728,7 @@ static s32 adpt_i2o_init_outbound_q(adpt_hba* pHba) kfree(pHba->reply_pool); - pHba->reply_pool = (u32*)kmalloc(pHba->reply_fifo_size * REPLY_FRAME_SIZE * 4, GFP_KERNEL|ADDR32); + pHba->reply_pool = kmalloc(pHba->reply_fifo_size * REPLY_FRAME_SIZE * 4, GFP_KERNEL|ADDR32); if(!pHba->reply_pool){ printk(KERN_ERR"%s: Could not allocate reply pool\n",pHba->name); return -1; diff --git a/drivers/scsi/initio.c b/drivers/scsi/initio.c index f160357e37a6f..d561663fb4e41 100644 --- a/drivers/scsi/initio.c +++ b/drivers/scsi/initio.c @@ -2828,7 +2828,7 @@ static int i91u_detect(struct scsi_host_template * tpnt) for (; tul_num_scb >= MAX_TARGETS + 3; tul_num_scb--) { i = tul_num_ch * tul_num_scb * sizeof(SCB); - if ((tul_scb = (SCB *) kmalloc(i, GFP_ATOMIC | GFP_DMA)) != NULL) + if ((tul_scb = kmalloc(i, GFP_ATOMIC | GFP_DMA)) != NULL) break; } if (tul_scb == NULL) { diff --git a/drivers/scsi/osst.c b/drivers/scsi/osst.c index 824fe080d1dc2..7d23110679030 100644 --- a/drivers/scsi/osst.c +++ b/drivers/scsi/osst.c @@ -5777,7 +5777,7 @@ static int osst_probe(struct device *dev) dev_num = i; /* allocate a struct osst_tape for this device */ - tpnt = (struct osst_tape *)kmalloc(sizeof(struct osst_tape), GFP_ATOMIC); + tpnt = kmalloc(sizeof(struct osst_tape), GFP_ATOMIC); if (tpnt == NULL) { write_unlock(&os_scsi_tapes_lock); printk(KERN_ERR "osst :E: Can't allocate device descriptor, device not attached.\n"); diff --git a/drivers/scsi/pluto.c b/drivers/scsi/pluto.c index aa60a5f1fbc3b..3b2e1a53e6e2d 100644 --- a/drivers/scsi/pluto.c +++ b/drivers/scsi/pluto.c @@ -117,7 +117,7 @@ int __init pluto_detect(struct scsi_host_template *tpnt) #endif return 0; } - fcs = (struct ctrl_inquiry *) kmalloc (sizeof (struct ctrl_inquiry) * fcscount, GFP_DMA); + fcs = kmalloc(sizeof (struct ctrl_inquiry) * fcscount, GFP_DMA); if (!fcs) { printk ("PLUTO: Not enough memory to probe\n"); return 0; diff --git a/drivers/scsi/sr_ioctl.c b/drivers/scsi/sr_ioctl.c index d1268cb46837b..0578ba42718b1 100644 --- a/drivers/scsi/sr_ioctl.c +++ b/drivers/scsi/sr_ioctl.c @@ -546,7 +546,7 @@ int sr_is_xa(Scsi_CD *cd) if (!xa_test) return 0; - raw_sector = (unsigned char *) kmalloc(2048, GFP_KERNEL | SR_GFP_DMA(cd)); + raw_sector = kmalloc(2048, GFP_KERNEL | SR_GFP_DMA(cd)); if (!raw_sector) return -ENOMEM; if (0 == sr_read_sector(cd, cd->ms_offset + 16, diff --git a/drivers/scsi/sr_vendor.c b/drivers/scsi/sr_vendor.c index a3e9d0f2eb5ba..4eb3da996b369 100644 --- a/drivers/scsi/sr_vendor.c +++ b/drivers/scsi/sr_vendor.c @@ -117,7 +117,7 @@ int sr_set_blocklength(Scsi_CD *cd, int blocklength) density = (blocklength > 2048) ? 0x81 : 0x83; #endif - buffer = (unsigned char *) kmalloc(512, GFP_KERNEL | GFP_DMA); + buffer = kmalloc(512, GFP_KERNEL | GFP_DMA); if (!buffer) return -ENOMEM; @@ -164,7 +164,7 @@ int sr_cd_check(struct cdrom_device_info *cdi) if (cd->cdi.mask & CDC_MULTI_SESSION) return 0; - buffer = (unsigned char *) kmalloc(512, GFP_KERNEL | GFP_DMA); + buffer = kmalloc(512, GFP_KERNEL | GFP_DMA); if (!buffer) return -ENOMEM; diff --git a/drivers/scsi/sun3_NCR5380.c b/drivers/scsi/sun3_NCR5380.c index 43f5b6aa7dc4a..98e3fe10c1dcf 100644 --- a/drivers/scsi/sun3_NCR5380.c +++ b/drivers/scsi/sun3_NCR5380.c @@ -266,7 +266,7 @@ static struct scsi_host_template *the_template = NULL; (struct NCR5380_hostdata *)(in)->hostdata #define HOSTDATA(in) ((struct NCR5380_hostdata *)(in)->hostdata) -#define NEXT(cmd) ((struct scsi_cmnd *)((cmd)->host_scribble)) +#define NEXT(cmd) (*(struct scsi_cmnd **)&((cmd)->host_scribble)) #define NEXTADDR(cmd) ((struct scsi_cmnd **)&((cmd)->host_scribble)) #define HOSTNO instance->host_no @@ -650,7 +650,7 @@ __inline__ void NCR5380_print_phase(struct Scsi_Host *instance) { }; #include <linux/interrupt.h> static volatile int main_running = 0; -static DECLARE_WORK(NCR5380_tqueue, (void (*)(void*))NCR5380_main, NULL); +static DECLARE_WORK(NCR5380_tqueue, NCR5380_main); static __inline__ void queue_main(void) { @@ -1031,7 +1031,7 @@ static int NCR5380_queue_command(struct scsi_cmnd *cmd, * reenable them. This prevents reentrancy and kernel stack overflow. */ -static void NCR5380_main (void *bl) +static void NCR5380_main (struct work_struct *bl) { struct scsi_cmnd *tmp, *prev; struct Scsi_Host *instance = first_instance; diff --git a/drivers/scsi/sym53c8xx_2/sym_hipd.c b/drivers/scsi/sym53c8xx_2/sym_hipd.c index 940fa1e6f9941..21cd4c7f52899 100644 --- a/drivers/scsi/sym53c8xx_2/sym_hipd.c +++ b/drivers/scsi/sym53c8xx_2/sym_hipd.c @@ -5545,7 +5545,7 @@ int sym_hcb_attach(struct Scsi_Host *shost, struct sym_fw *fw, struct sym_nvram /* * Allocate the array of lists of CCBs hashed by DSA. */ - np->ccbh = kcalloc(sizeof(struct sym_ccb **), CCB_HASH_SIZE, GFP_KERNEL); + np->ccbh = kcalloc(CCB_HASH_SIZE, sizeof(struct sym_ccb **), GFP_KERNEL); if (!np->ccbh) goto attach_failed; diff --git a/drivers/serial/8250_pci.c b/drivers/serial/8250_pci.c index 4d0ff8f4a01b1..52e2e64c6649d 100644 --- a/drivers/serial/8250_pci.c +++ b/drivers/serial/8250_pci.c @@ -2239,6 +2239,30 @@ static struct pci_device_id serial_pci_tbl[] = { pbn_b0_bt_1_460800 }, /* + * Korenix Jetcard F0/F1 cards (JC1204, JC1208, JC1404, JC1408). + * Cards are identified by their subsystem vendor IDs, which + * (in hex) match the model number. + * + * Note that JC140x are RS422/485 cards which require ox950 + * ACR = 0x10, and as such are not currently fully supported. + */ + { PCI_VENDOR_ID_KORENIX, PCI_DEVICE_ID_KORENIX_JETCARDF0, + 0x1204, 0x0004, 0, 0, + pbn_b0_4_921600 }, + { PCI_VENDOR_ID_KORENIX, PCI_DEVICE_ID_KORENIX_JETCARDF0, + 0x1208, 0x0004, 0, 0, + pbn_b0_4_921600 }, +/* { PCI_VENDOR_ID_KORENIX, PCI_DEVICE_ID_KORENIX_JETCARDF0, + 0x1402, 0x0002, 0, 0, + pbn_b0_2_921600 }, */ +/* { PCI_VENDOR_ID_KORENIX, PCI_DEVICE_ID_KORENIX_JETCARDF0, + 0x1404, 0x0004, 0, 0, + pbn_b0_4_921600 }, */ + { PCI_VENDOR_ID_KORENIX, PCI_DEVICE_ID_KORENIX_JETCARDF1, + 0x1208, 0x0004, 0, 0, + pbn_b0_4_921600 }, + + /* * Dell Remote Access Card 4 - Tim_T_Murphy@Dell.com */ { PCI_VENDOR_ID_DELL, PCI_DEVICE_ID_DELL_RAC4, diff --git a/drivers/usb/gadget/at91_udc.c b/drivers/usb/gadget/at91_udc.c index 72f3db99ff940..3e0abbb49fe13 100644 --- a/drivers/usb/gadget/at91_udc.c +++ b/drivers/usb/gadget/at91_udc.c @@ -598,7 +598,7 @@ at91_ep_alloc_request(struct usb_ep *_ep, unsigned int gfp_flags) { struct at91_request *req; - req = kcalloc(1, sizeof (struct at91_request), gfp_flags); + req = kzalloc(sizeof (struct at91_request), gfp_flags); if (!req) return NULL; diff --git a/drivers/usb/gadget/serial.c b/drivers/usb/gadget/serial.c index 5516c59ed5ec2..2d12bf9f19d64 100644 --- a/drivers/usb/gadget/serial.c +++ b/drivers/usb/gadget/serial.c @@ -2195,7 +2195,7 @@ static struct gs_buf *gs_buf_alloc(unsigned int size, gfp_t kmalloc_flags) if (size == 0) return NULL; - gb = (struct gs_buf *)kmalloc(sizeof(struct gs_buf), kmalloc_flags); + gb = kmalloc(sizeof(struct gs_buf), kmalloc_flags); if (gb == NULL) return NULL; diff --git a/drivers/usb/host/hc_crisv10.c b/drivers/usb/host/hc_crisv10.c index 9325e46a68c03..282d82efc0b0a 100644 --- a/drivers/usb/host/hc_crisv10.c +++ b/drivers/usb/host/hc_crisv10.c @@ -365,7 +365,7 @@ static inline struct urb *urb_list_first(int epid) /* Adds an urb_entry last in the list for this epid. */ static inline void urb_list_add(struct urb *urb, int epid) { - urb_entry_t *urb_entry = (urb_entry_t *)kmalloc(sizeof(urb_entry_t), KMALLOC_FLAG); + urb_entry_t *urb_entry = kmalloc(sizeof(urb_entry_t), KMALLOC_FLAG); assert(urb_entry); urb_entry->urb = urb; diff --git a/drivers/usb/misc/auerswald.c b/drivers/usb/misc/auerswald.c index c703f73e16550..6c7f3efb1d40d 100644 --- a/drivers/usb/misc/auerswald.c +++ b/drivers/usb/misc/auerswald.c @@ -766,7 +766,7 @@ static int auerbuf_setup (pauerbufctl_t bcp, unsigned int numElements, unsigned bep->bufp = kmalloc (bufsize, GFP_KERNEL); if (!bep->bufp) goto bl_fail; - bep->dr = (struct usb_ctrlrequest *) kmalloc (sizeof (struct usb_ctrlrequest), GFP_KERNEL); + bep->dr = kmalloc(sizeof (struct usb_ctrlrequest), GFP_KERNEL); if (!bep->dr) goto bl_fail; bep->urbp = usb_alloc_urb (0, GFP_KERNEL); @@ -1969,7 +1969,7 @@ static int auerswald_probe (struct usb_interface *intf, info("device is a %s", cp->dev_desc); /* get the maximum allowed control transfer length */ - pbuf = (__le16 *) kmalloc (2, GFP_KERNEL); /* use an allocated buffer because of urb target */ + pbuf = kmalloc(2, GFP_KERNEL); /* use an allocated buffer because of urb target */ if (!pbuf) { err( "out of memory"); goto pfail; diff --git a/drivers/usb/misc/uss720.c b/drivers/usb/misc/uss720.c index 7e8a0acd52eea..70250252ae2ae 100644 --- a/drivers/usb/misc/uss720.c +++ b/drivers/usb/misc/uss720.c @@ -705,7 +705,7 @@ static int uss720_probe(struct usb_interface *intf, /* * Allocate parport interface */ - if (!(priv = kcalloc(sizeof(struct parport_uss720_private), 1, GFP_KERNEL))) { + if (!(priv = kzalloc(sizeof(struct parport_uss720_private), GFP_KERNEL))) { usb_put_dev(usbdev); return -ENOMEM; } diff --git a/drivers/usb/net/rndis_host.c b/drivers/usb/net/rndis_host.c index 99f26b3e502f3..ea5f44de3de2e 100644 --- a/drivers/usb/net/rndis_host.c +++ b/drivers/usb/net/rndis_host.c @@ -469,7 +469,7 @@ static void rndis_unbind(struct usbnet *dev, struct usb_interface *intf) struct rndis_halt *halt; /* try to clear any rndis state/activity (no i/o from stack!) */ - halt = kcalloc(1, sizeof *halt, GFP_KERNEL); + halt = kzalloc(sizeof *halt, GFP_KERNEL); if (halt) { halt->msg_type = RNDIS_MSG_HALT; halt->msg_len = ccpu2(sizeof *halt); diff --git a/drivers/usb/serial/cypress_m8.c b/drivers/usb/serial/cypress_m8.c index a1fdb85b8c0ae..45cdf9bc43b2b 100644 --- a/drivers/usb/serial/cypress_m8.c +++ b/drivers/usb/serial/cypress_m8.c @@ -1493,7 +1493,7 @@ static struct cypress_buf *cypress_buf_alloc(unsigned int size) if (size == 0) return NULL; - cb = (struct cypress_buf *)kmalloc(sizeof(struct cypress_buf), GFP_KERNEL); + cb = kmalloc(sizeof(struct cypress_buf), GFP_KERNEL); if (cb == NULL) return NULL; diff --git a/drivers/usb/serial/digi_acceleport.c b/drivers/usb/serial/digi_acceleport.c index 9d9ea874639ce..efd9ce3f931f4 100644 --- a/drivers/usb/serial/digi_acceleport.c +++ b/drivers/usb/serial/digi_acceleport.c @@ -1681,7 +1681,7 @@ dbg( "digi_startup: TOP" ); for( i=0; i<serial->type->num_ports+1; i++ ) { /* allocate port private structure */ - priv = (struct digi_port *)kmalloc( sizeof(struct digi_port), + priv = kmalloc( sizeof(struct digi_port), GFP_KERNEL ); if( priv == (struct digi_port *)0 ) { while( --i >= 0 ) @@ -1714,7 +1714,7 @@ dbg( "digi_startup: TOP" ); } /* allocate serial private structure */ - serial_priv = (struct digi_serial *)kmalloc( sizeof(struct digi_serial), + serial_priv = kmalloc( sizeof(struct digi_serial), GFP_KERNEL ); if( serial_priv == (struct digi_serial *)0 ) { for( i=0; i<serial->type->num_ports+1; i++ ) diff --git a/drivers/usb/serial/io_ti.c b/drivers/usb/serial/io_ti.c index 2da2684e08098..980285c0233a0 100644 --- a/drivers/usb/serial/io_ti.c +++ b/drivers/usb/serial/io_ti.c @@ -2811,7 +2811,7 @@ static struct edge_buf *edge_buf_alloc(unsigned int size) if (size == 0) return NULL; - eb = (struct edge_buf *)kmalloc(sizeof(struct edge_buf), GFP_KERNEL); + eb = kmalloc(sizeof(struct edge_buf), GFP_KERNEL); if (eb == NULL) return NULL; diff --git a/drivers/usb/serial/ipaq.c b/drivers/usb/serial/ipaq.c index d72cf8bc7f76b..42f757a5b876e 100644 --- a/drivers/usb/serial/ipaq.c +++ b/drivers/usb/serial/ipaq.c @@ -595,7 +595,7 @@ static int ipaq_open(struct usb_serial_port *port, struct file *filp) bytes_in = 0; bytes_out = 0; - priv = (struct ipaq_private *)kmalloc(sizeof(struct ipaq_private), GFP_KERNEL); + priv = kmalloc(sizeof(struct ipaq_private), GFP_KERNEL); if (priv == NULL) { err("%s - Out of memory", __FUNCTION__); return -ENOMEM; diff --git a/drivers/usb/serial/kobil_sct.c b/drivers/usb/serial/kobil_sct.c index e284d6c0fd35b..62bea0c923bd2 100644 --- a/drivers/usb/serial/kobil_sct.c +++ b/drivers/usb/serial/kobil_sct.c @@ -269,7 +269,7 @@ static int kobil_open (struct usb_serial_port *port, struct file *filp) } // allocate memory for write_urb transfer buffer - port->write_urb->transfer_buffer = (unsigned char *) kmalloc(write_urb_transfer_buffer_length, GFP_KERNEL); + port->write_urb->transfer_buffer = kmalloc(write_urb_transfer_buffer_length, GFP_KERNEL); if (! port->write_urb->transfer_buffer) { kfree(transfer_buffer); usb_free_urb(port->write_urb); @@ -696,7 +696,7 @@ static int kobil_ioctl(struct usb_serial_port *port, struct file *file, return 0; case TCFLSH: // 0x540B - transfer_buffer = (unsigned char *) kmalloc(transfer_buffer_length, GFP_KERNEL); + transfer_buffer = kmalloc(transfer_buffer_length, GFP_KERNEL); if (! transfer_buffer) { return -ENOBUFS; } diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c index d124d780e42e2..5dc2ac9afa90b 100644 --- a/drivers/usb/serial/pl2303.c +++ b/drivers/usb/serial/pl2303.c @@ -159,7 +159,7 @@ static struct pl2303_buf *pl2303_buf_alloc(unsigned int size) if (size == 0) return NULL; - pb = (struct pl2303_buf *)kmalloc(sizeof(struct pl2303_buf), GFP_KERNEL); + pb = kmalloc(sizeof(struct pl2303_buf), GFP_KERNEL); if (pb == NULL) return NULL; diff --git a/drivers/usb/serial/ti_usb_3410_5052.c b/drivers/usb/serial/ti_usb_3410_5052.c index f42eb9ea64052..83189005c6fbb 100644 --- a/drivers/usb/serial/ti_usb_3410_5052.c +++ b/drivers/usb/serial/ti_usb_3410_5052.c @@ -1710,7 +1710,7 @@ static struct circ_buf *ti_buf_alloc(void) { struct circ_buf *cb; - cb = (struct circ_buf *)kmalloc(sizeof(struct circ_buf), GFP_KERNEL); + cb = kmalloc(sizeof(struct circ_buf), GFP_KERNEL); if (cb == NULL) return NULL; diff --git a/drivers/usb/serial/whiteheat.c b/drivers/usb/serial/whiteheat.c index dc45e58e2b8c8..5483d8564c1b9 100644 --- a/drivers/usb/serial/whiteheat.c +++ b/drivers/usb/serial/whiteheat.c @@ -416,7 +416,7 @@ static int whiteheat_attach (struct usb_serial *serial) for (i = 0; i < serial->num_ports; i++) { port = serial->port[i]; - info = (struct whiteheat_private *)kmalloc(sizeof(struct whiteheat_private), GFP_KERNEL); + info = kmalloc(sizeof(struct whiteheat_private), GFP_KERNEL); if (info == NULL) { err("%s: Out of memory for port structures\n", serial->type->description); goto no_private; @@ -487,7 +487,7 @@ static int whiteheat_attach (struct usb_serial *serial) usb_set_serial_port_data(port, info); } - command_info = (struct whiteheat_command_private *)kmalloc(sizeof(struct whiteheat_command_private), GFP_KERNEL); + command_info = kmalloc(sizeof(struct whiteheat_command_private), GFP_KERNEL); if (command_info == NULL) { err("%s: Out of memory for port structures\n", serial->type->description); goto no_command_private; diff --git a/drivers/usb/storage/sddr09.c b/drivers/usb/storage/sddr09.c index fb8bacaae27cb..e3528eca29a54 100644 --- a/drivers/usb/storage/sddr09.c +++ b/drivers/usb/storage/sddr09.c @@ -646,7 +646,7 @@ sddr09_read_sg_test_only(struct us_data *us) { return result; } - buf = (unsigned char *) kmalloc(bulklen, GFP_NOIO); + buf = kmalloc(bulklen, GFP_NOIO); if (!buf) return -ENOMEM; diff --git a/drivers/video/amba-clcd.c b/drivers/video/amba-clcd.c index 6761b68c35e97..6c9dc2e69c82f 100644 --- a/drivers/video/amba-clcd.c +++ b/drivers/video/amba-clcd.c @@ -447,7 +447,7 @@ static int clcdfb_probe(struct amba_device *dev, void *id) goto out; } - fb = (struct clcd_fb *) kmalloc(sizeof(struct clcd_fb), GFP_KERNEL); + fb = kmalloc(sizeof(struct clcd_fb), GFP_KERNEL); if (!fb) { printk(KERN_INFO "CLCD: could not allocate new clcd_fb struct\n"); ret = -ENOMEM; diff --git a/drivers/video/amifb.c b/drivers/video/amifb.c index 88a47845c4f7d..1a849b870bcc8 100644 --- a/drivers/video/amifb.c +++ b/drivers/video/amifb.c @@ -2906,14 +2906,6 @@ static int ami_decode_var(struct fb_var_screeninfo *var, par->crsr.spot_x = par->crsr.spot_y = 0; par->crsr.height = par->crsr.width = 0; -#if 0 /* fbmon not done. uncomment for 2.5.x -brad */ - if (!fbmon_valid_timings(pixclock[clk_shift], htotal, vtotal, - &fb_info)) { - DPRINTK("mode doesn't fit for monitor\n"); - return -EINVAL; - } -#endif - return 0; } diff --git a/drivers/video/aty/atyfb_base.c b/drivers/video/aty/atyfb_base.c index 176f9b85cdbeb..09684d7a7ce94 100644 --- a/drivers/video/aty/atyfb_base.c +++ b/drivers/video/aty/atyfb_base.c @@ -1488,10 +1488,6 @@ static int atyfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) else info->var.accel_flags = 0; -#if 0 /* fbmon is not done. uncomment for 2.5.x -brad */ - if (!fbmon_valid_timings(pixclock, htotal, vtotal, info)) - return -EINVAL; -#endif aty_crtc_to_var(&crtc, var); var->pixclock = par->pll_ops->pll_to_var(info, &pll); return 0; diff --git a/drivers/video/matrox/i2c-matroxfb.c b/drivers/video/matrox/i2c-matroxfb.c index 797b42305b0ff..fe28848e7b52e 100644 --- a/drivers/video/matrox/i2c-matroxfb.c +++ b/drivers/video/matrox/i2c-matroxfb.c @@ -146,7 +146,7 @@ static void* i2c_matroxfb_probe(struct matrox_fb_info* minfo) { unsigned long flags; struct matroxfb_dh_maven_info* m2info; - m2info = (struct matroxfb_dh_maven_info*)kmalloc(sizeof(*m2info), GFP_KERNEL); + m2info = kmalloc(sizeof(*m2info), GFP_KERNEL); if (!m2info) return NULL; diff --git a/drivers/video/matrox/matroxfb_base.c b/drivers/video/matrox/matroxfb_base.c index e9b4115fcad02..cb2aa402ddfd9 100644 --- a/drivers/video/matrox/matroxfb_base.c +++ b/drivers/video/matrox/matroxfb_base.c @@ -2028,7 +2028,7 @@ static int matroxfb_probe(struct pci_dev* pdev, const struct pci_device_id* dumm } #ifdef CONFIG_FB_MATROX_MULTIHEAD - minfo = (struct matrox_fb_info*)kmalloc(sizeof(*minfo), GFP_KERNEL); + minfo = kmalloc(sizeof(*minfo), GFP_KERNEL); if (!minfo) return -1; #else diff --git a/drivers/video/matrox/matroxfb_crtc2.c b/drivers/video/matrox/matroxfb_crtc2.c index 27eb4bb4f89fe..2c9801090faea 100644 --- a/drivers/video/matrox/matroxfb_crtc2.c +++ b/drivers/video/matrox/matroxfb_crtc2.c @@ -694,7 +694,7 @@ static void* matroxfb_crtc2_probe(struct matrox_fb_info* minfo) { /* hardware is CRTC2 incapable... */ if (!ACCESS_FBINFO(devflags.crtc2)) return NULL; - m2info = (struct matroxfb_dh_fb_info*)kmalloc(sizeof(*m2info), GFP_KERNEL); + m2info = kmalloc(sizeof(*m2info), GFP_KERNEL); if (!m2info) { printk(KERN_ERR "matroxfb_crtc2: Not enough memory for CRTC2 control structs\n"); return NULL; diff --git a/drivers/video/sstfb.c b/drivers/video/sstfb.c index 711cb11d6eb34..59cd1e750f30d 100644 --- a/drivers/video/sstfb.c +++ b/drivers/video/sstfb.c @@ -21,6 +21,11 @@ * Remove never finished and bogus 24/32bit support * Clean up macro abuse * Minor tidying for format. + * 12/2006 Helge Deller <deller@gmx.de> + * add /sys/class/graphics/fbX/vgapass sysfs-interface + * add module option "mode_option" to set initial screen mode + * use fbdev default videomode database + * remove debug functions from ioctl */ /* @@ -65,19 +70,10 @@ * * sstfb specific ioctls: * toggle vga (0x46db) : toggle vga_pass_through - * fill fb (0x46dc) : fills fb - * test disp (0x46de) : draws a test image */ #undef SST_DEBUG -/* - Default video mode . - 0 800x600@60 took from glide - 1 640x480@75 took from glide - 2 1024x768@76 std fb.mode - 3 640x480@60 glide default */ -#define DEFAULT_MODE 3 /* * Includes @@ -92,20 +88,24 @@ #include <linux/init.h> #include <linux/slab.h> #include <asm/io.h> -#include <asm/ioctl.h> #include <asm/uaccess.h> #include <video/sstfb.h> /* initialized by setup */ -static int vgapass; /* enable Vga passthrough cable */ +static int vgapass; /* enable VGA passthrough cable */ static int mem; /* mem size in MB, 0 = autodetect */ static int clipping = 1; /* use clipping (slower, safer) */ static int gfxclk; /* force FBI freq in Mhz . Dangerous */ static int slowpci; /* slow PCI settings */ -static char *mode_option __devinitdata; +/* + Possible default video modes: 800x600@60, 640x480@75, 1024x768@76, 640x480@60 +*/ +#define DEFAULT_VIDEO_MODE "640x480@60" + +static char *mode_option __devinitdata = DEFAULT_VIDEO_MODE; enum { ID_VOODOO1 = 0, @@ -119,48 +119,11 @@ static struct sst_spec voodoo_spec[] __devinitdata = { { .name = "Voodoo2", .default_gfx_clock = 75000, .max_gfxclk = 85 }, }; -static struct fb_var_screeninfo sstfb_default = -#if ( DEFAULT_MODE == 0 ) - { /* 800x600@60, 16 bpp .borowed from glide/sst1/include/sst1init.h */ - 800, 600, 800, 600, 0, 0, 16, 0, - {11, 5, 0}, {5, 6, 0}, {0, 5, 0}, {0, 0, 0}, - 0, 0, -1, -1, 0, - 25000, 86, 41, 23, 1, 127, 4, - 0, FB_VMODE_NONINTERLACED }; -#elif ( DEFAULT_MODE == 1 ) - {/* 640x480@75, 16 bpp .borowed from glide/sst1/include/sst1init.h */ - 640, 480, 640, 480, 0, 0, 16, 0, - {11, 5, 0}, {5, 6, 0}, {0, 5, 0}, {0, 0, 0}, - 0, 0, -1, -1, 0, - 31746, 118, 17, 16, 1, 63, 3, - 0, FB_VMODE_NONINTERLACED }; -#elif ( DEFAULT_MODE == 2 ) - { /* 1024x768@76 took from my /etc/fb.modes */ - 1024, 768, 1024, 768,0, 0, 16,0, - {11, 5, 0}, {5, 6, 0}, {0, 5, 0}, {0, 0, 0}, - 0, 0, -1, -1, 0, - 11764, 208, 8, 36, 16, 120, 3 , - 0, FB_VMODE_NONINTERLACED }; -#elif ( DEFAULT_MODE == 3 ) - { /* 640x480@60 , 16bpp glide default ?*/ - 640, 480, 640, 480, 0, 0, 16, 0, - {11, 5, 0}, {5, 6, 0}, {0, 5, 0}, {0, 0, 0}, - 0, 0, -1, -1, 0, - 39721 , 38, 26 , 25 ,18 , 96 ,2, - 0, FB_VMODE_NONINTERLACED }; -#elif - #error "Invalid DEFAULT_MODE value !" -#endif - /* * debug functions */ -static void sstfb_drawdebugimage(struct fb_info *info); -static int sstfb_dump_regs(struct fb_info *info); - - #if (SST_DEBUG_REG > 0) static void sst_dbg_print_read_reg(u32 reg, u32 val) { const char *regname; @@ -726,51 +689,77 @@ static int sstfb_setcolreg(u_int regno, u_int red, u_int green, u_int blue, return 0; } -static int sstfb_ioctl(struct fb_info *info, u_int cmd, u_long arg) +static void sstfb_setvgapass( struct fb_info *info, int enable ) { struct sstfb_par *par = info->par; struct pci_dev *sst_dev = par->dev; - u32 fbiinit0, tmp, val; - u_long p; + u32 fbiinit0, tmp; + + enable = enable ? 1:0; + if (par->vgapass == enable) + return; + par->vgapass = enable; + + pci_read_config_dword(sst_dev, PCI_INIT_ENABLE, &tmp); + pci_write_config_dword(sst_dev, PCI_INIT_ENABLE, + tmp | PCI_EN_INIT_WR ); + fbiinit0 = sst_read (FBIINIT0); + if (par->vgapass) { + sst_write(FBIINIT0, fbiinit0 & ~DIS_VGA_PASSTHROUGH); + printk(KERN_INFO "fb%d: Enabling VGA pass-through\n", info->node ); + } else { + sst_write(FBIINIT0, fbiinit0 | DIS_VGA_PASSTHROUGH); + printk(KERN_INFO "fb%d: Disabling VGA pass-through\n", info->node ); + } + pci_write_config_dword(sst_dev, PCI_INIT_ENABLE, tmp); +} + +static ssize_t store_vgapass(struct device *device, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct fb_info *info = dev_get_drvdata(device); + char ** last = NULL; + int val; + + val = simple_strtoul(buf, last, 0); + sstfb_setvgapass(info, val); + + return count; +} + +static ssize_t show_vgapass(struct device *device, struct device_attribute *attr, + char *buf) +{ + struct fb_info *info = dev_get_drvdata(device); + struct sstfb_par *par = info->par; + return snprintf(buf, PAGE_SIZE, "%d\n", par->vgapass); +} + +static struct device_attribute device_attrs[] = { + __ATTR(vgapass, S_IRUGO|S_IWUSR, show_vgapass, store_vgapass) + }; + +static int sstfb_ioctl(struct fb_info *info, unsigned int cmd, + unsigned long arg) +{ + struct sstfb_par *par; + u32 val; switch (cmd) { - - /* dump current FBIINIT values to system log */ - case _IO('F', 0xdb): /* 0x46db */ - return sstfb_dump_regs(info); - - /* fills lfb with #arg pixels */ - case _IOW('F', 0xdc, u32): /* 0x46dc */ + /* set/get VGA pass_through mode */ + case SSTFB_SET_VGAPASS: if (copy_from_user(&val, (void __user *)arg, sizeof(val))) return -EFAULT; - if (val > info->fix.smem_len) - val = info->fix.smem_len; - for (p = 0 ; p < val; p += 2) - writew(p >> 6, info->screen_base + p); + sstfb_setvgapass(info, val); return 0; - - /* change VGA pass_through mode */ - case _IOW('F', 0xdd, u32): /* 0x46dd */ - if (copy_from_user(&val, (void __user *)arg, sizeof(val))) + case SSTFB_GET_VGAPASS: + par = info->par; + val = par->vgapass; + if (copy_to_user((void __user *)arg, &val, sizeof(val))) return -EFAULT; - pci_read_config_dword(sst_dev, PCI_INIT_ENABLE, &tmp); - pci_write_config_dword(sst_dev, PCI_INIT_ENABLE, - tmp | PCI_EN_INIT_WR ); - fbiinit0 = sst_read (FBIINIT0); - if (val) - sst_write(FBIINIT0, fbiinit0 & ~EN_VGA_PASSTHROUGH); - else - sst_write(FBIINIT0, fbiinit0 | EN_VGA_PASSTHROUGH); - pci_write_config_dword(sst_dev, PCI_INIT_ENABLE, tmp); - return 0; - - /* draw test image */ - case _IO('F', 0xde): /* 0x46de */ - f_dprintk("test color display at %d bpp\n", - info->var.bits_per_pixel); - sstfb_drawdebugimage(info); return 0; } + return -EINVAL; } @@ -804,6 +793,7 @@ static void sstfb_copyarea(struct fb_info *info, const struct fb_copyarea *area) /* * FillRect 2D command (solidfill or invert (via ROP_XOR)) - Voodoo2 only */ +#if 0 static void sstfb_fillrect(struct fb_info *info, const struct fb_fillrect *rect) { struct sstfb_par *par = info->par; @@ -825,6 +815,7 @@ static void sstfb_fillrect(struct fb_info *info, const struct fb_fillrect *rect) | (BLT_16BPP_FMT << 3) /* | BIT(14) */ | BIT(15) | BIT(16) ); sst_wait_idle(); } +#endif @@ -1156,6 +1147,7 @@ static int __devinit sst_init(struct fb_info *info, struct sstfb_par *par) struct pll_timing gfx_timings; struct sst_spec *spec; int Fout; + int gfx_clock; spec = &voodoo_spec[par->type]; f_ddprintk(" fbiinit0 fbiinit1 fbiinit2 fbiinit3 fbiinit4 " @@ -1196,15 +1188,15 @@ static int __devinit sst_init(struct fb_info *info, struct sstfb_par *par) } /* set graphic clock */ - par->gfx_clock = spec->default_gfx_clock; + gfx_clock = spec->default_gfx_clock; if ((gfxclk >10 ) && (gfxclk < spec->max_gfxclk)) { printk(KERN_INFO "sstfb: Using supplied graphic freq : %dMHz\n", gfxclk); - par->gfx_clock = gfxclk *1000; + gfx_clock = gfxclk *1000; } else if (gfxclk) { printk(KERN_WARNING "sstfb: %dMhz is way out of spec! Using default\n", gfxclk); } - sst_calc_pll(par->gfx_clock, &Fout, &gfx_timings); + sst_calc_pll(gfx_clock, &Fout, &gfx_timings); par->dac_sw.set_pll(info, &gfx_timings, GFX_CLOCK); /* disable fbiinit remap */ @@ -1215,10 +1207,11 @@ static int __devinit sst_init(struct fb_info *info, struct sstfb_par *par) fbiinit0 = FBIINIT0_DEFAULT; fbiinit1 = FBIINIT1_DEFAULT; fbiinit4 = FBIINIT4_DEFAULT; - if (vgapass) - fbiinit0 &= ~EN_VGA_PASSTHROUGH; + par->vgapass = vgapass; + if (par->vgapass) + fbiinit0 &= ~DIS_VGA_PASSTHROUGH; else - fbiinit0 |= EN_VGA_PASSTHROUGH; + fbiinit0 |= DIS_VGA_PASSTHROUGH; if (slowpci) { fbiinit1 |= SLOW_PCI_WRITES; fbiinit4 |= SLOW_PCI_READS; @@ -1267,7 +1260,7 @@ static void __devexit sst_shutdown(struct fb_info *info) /* TODO maybe shutdown the dac, vrefresh and so on... */ pci_write_config_dword(dev, PCI_INIT_ENABLE, PCI_EN_INIT_WR); - sst_unset_bits(FBIINIT0, FBI_RESET | FIFO_RESET | EN_VGA_PASSTHROUGH); + sst_unset_bits(FBIINIT0, FBI_RESET | FIFO_RESET | DIS_VGA_PASSTHROUGH); pci_write_config_dword(dev, PCI_VCLK_DISABLE,0); /* maybe keep fbiinit* and PCI_INIT_enable in the fb_info struct * from start ? */ @@ -1278,8 +1271,7 @@ static void __devexit sst_shutdown(struct fb_info *info) /* * Interface to the world */ -#ifndef MODULE -static int __init sstfb_setup(char *options) +static int __devinit sstfb_setup(char *options) { char *this_opt; @@ -1312,7 +1304,7 @@ static int __init sstfb_setup(char *options) } return 0; } -#endif + static struct fb_ops sstfb_ops = { .owner = THIS_MODULE, @@ -1416,15 +1408,10 @@ static int __devinit sstfb_probe(struct pci_dev *pdev, */ fix->line_length = 2048; /* default value, for 24 or 32bit: 4096 */ - if ( mode_option && - fb_find_mode(&info->var, info, mode_option, NULL, 0, NULL, 16)) { - printk(KERN_ERR "sstfb: can't set supplied video mode. Using default\n"); - info->var = sstfb_default; - } else - info->var = sstfb_default; + fb_find_mode(&info->var, info, mode_option, NULL, 0, NULL, 16); if (sstfb_check_var(&info->var, info)) { - printk(KERN_ERR "sstfb: invalid default video mode.\n"); + printk(KERN_ERR "sstfb: invalid video mode.\n"); goto fail; } @@ -1442,10 +1429,11 @@ static int __devinit sstfb_probe(struct pci_dev *pdev, goto fail; } - if (1) /* set to 0 to see an initial bitmap instead */ - sstfb_clear_screen(info); - else - sstfb_drawdebugimage(info); + sstfb_clear_screen(info); + + if (device_create_file(info->dev, &device_attrs[0])) + printk(KERN_WARNING "sstfb: can't create sysfs entry.\n"); + printk(KERN_INFO "fb%d: %s frame buffer device at 0x%p\n", info->node, fix->id, info->screen_base); @@ -1453,6 +1441,7 @@ static int __devinit sstfb_probe(struct pci_dev *pdev, return 0; fail: + fb_dealloc_cmap(&info->cmap); iounmap(info->screen_base); fail_fb_remap: iounmap(par->mmio_vbase); @@ -1473,21 +1462,23 @@ static void __devexit sstfb_remove(struct pci_dev *pdev) info = pci_get_drvdata(pdev); par = info->par; + device_remove_file(info->dev, &device_attrs[0]); sst_shutdown(info); - unregister_framebuffer(info); iounmap(info->screen_base); iounmap(par->mmio_vbase); release_mem_region(info->fix.smem_start, 0x400000); release_mem_region(info->fix.mmio_start, info->fix.mmio_len); + fb_dealloc_cmap(&info->cmap); + unregister_framebuffer(info); framebuffer_release(info); } -static struct pci_device_id sstfb_id_tbl[] = { - { PCI_VENDOR_ID_3DFX, PCI_DEVICE_ID_3DFX_VOODOO, - PCI_ANY_ID, PCI_ANY_ID, 0, 0, ID_VOODOO1 }, - { PCI_VENDOR_ID_3DFX, PCI_DEVICE_ID_3DFX_VOODOO2, - PCI_ANY_ID, PCI_ANY_ID, 0, 0, ID_VOODOO2 }, +static const struct pci_device_id sstfb_id_tbl[] = { + { PCI_DEVICE(PCI_VENDOR_ID_3DFX, PCI_DEVICE_ID_3DFX_VOODOO ), + .driver_data = ID_VOODOO1, }, + { PCI_DEVICE(PCI_VENDOR_ID_3DFX, PCI_DEVICE_ID_3DFX_VOODOO2), + .driver_data = ID_VOODOO2, }, { 0 }, }; @@ -1501,142 +1492,23 @@ static struct pci_driver sstfb_driver = { static int __devinit sstfb_init(void) { -#ifndef MODULE char *option = NULL; if (fb_get_options("sstfb", &option)) return -ENODEV; sstfb_setup(option); -#endif + return pci_register_driver(&sstfb_driver); } -#ifdef MODULE static void __devexit sstfb_exit(void) { pci_unregister_driver(&sstfb_driver); } -#endif -/* - * testing and debugging functions - */ - -static int sstfb_dump_regs(struct fb_info *info) -{ -#ifdef SST_DEBUG - static struct { u32 reg ; const char *reg_name;} pci_regs[] = { - { PCI_INIT_ENABLE, "initenable"}, - { PCI_VCLK_ENABLE, "enable vclk"}, - { PCI_VCLK_DISABLE, "disable vclk"}, - }; - - static struct { u32 reg ; const char *reg_name;} sst_regs[] = { - {FBIINIT0,"fbiinit0"}, - {FBIINIT1,"fbiinit1"}, - {FBIINIT2,"fbiinit2"}, - {FBIINIT3,"fbiinit3"}, - {FBIINIT4,"fbiinit4"}, - {FBIINIT5,"fbiinit5"}, - {FBIINIT6,"fbiinit6"}, - {FBIINIT7,"fbiinit7"}, - {LFBMODE,"lfbmode"}, - {FBZMODE,"fbzmode"}, - }; - - const int pci_s = ARRAY_SIZE(pci_regs); - const int sst_s = ARRAY_SIZE(sst_regs); - struct sstfb_par *par = info->par; - struct pci_dev *dev = par->dev; - u32 pci_res[pci_s]; - u32 sst_res[sst_s]; - int i; - - for (i=0; i<pci_s; i++) { - pci_read_config_dword(dev, pci_regs[i].reg, &pci_res[i]); - } - for (i=0; i<sst_s; i++) { - sst_res[i] = sst_read(sst_regs[i].reg); - } - - dprintk("hardware register dump:\n"); - for (i=0; i<pci_s; i++) { - dprintk("%s %0#10x\n", pci_regs[i].reg_name, pci_res[i]); - } - for (i=0; i<sst_s; i++) { - dprintk("%s %0#10x\n", sst_regs[i].reg_name, sst_res[i]); - } - return 0; -#else - return -EINVAL; -#endif -} - -static void sstfb_fillrect_softw( struct fb_info *info, const struct fb_fillrect *rect) -{ - u8 __iomem *fbbase_virt = info->screen_base; - int x, y, w = info->var.bits_per_pixel == 16 ? 2 : 4; - u32 color = rect->color, height = rect->height; - u8 __iomem *p; - - if (w==2) color |= color<<16; - for (y=rect->dy; height; y++, height--) { - p = fbbase_virt + y*info->fix.line_length + rect->dx*w; - x = rect->width; - if (w==2) x>>=1; - while (x) { - writel(color, p); - p += 4; - x--; - } - } -} - -static void sstfb_drawrect_XY( struct fb_info *info, int x, int y, - int w, int h, int color, int hwfunc) -{ - struct fb_fillrect rect; - rect.dx = x; - rect.dy = y; - rect.height = h; - rect.width = w; - rect.color = color; - rect.rop = ROP_COPY; - if (hwfunc) - sstfb_fillrect(info, &rect); - else - sstfb_fillrect_softw(info, &rect); -} - -/* print some squares on the fb */ -static void sstfb_drawdebugimage(struct fb_info *info) -{ - static int idx; - - /* clear screen */ - sstfb_clear_screen(info); - - idx = (idx+1) & 1; - - /* white rect */ - sstfb_drawrect_XY(info, 0, 0, 50, 50, 0xffff, idx); - - /* blue rect */ - sstfb_drawrect_XY(info, 50, 50, 50, 50, 0x001f, idx); - - /* green rect */ - sstfb_drawrect_XY(info, 100, 100, 80, 80, 0x07e0, idx); - - /* red rect */ - sstfb_drawrect_XY(info, 250, 250, 120, 100, 0xf800, idx); -} - module_init(sstfb_init); - -#ifdef MODULE module_exit(sstfb_exit); -#endif MODULE_AUTHOR("(c) 2000,2002 Ghozlane Toumi <gtoumi@laposte.net>"); MODULE_DESCRIPTION("FBDev driver for 3dfx Voodoo Graphics and Voodoo2 based video boards"); @@ -1652,3 +1524,6 @@ module_param(gfxclk, int, 0); MODULE_PARM_DESC(gfxclk, "Force graphic chip frequency in MHz. DANGEROUS. (default=auto)"); module_param(slowpci, bool, 0); MODULE_PARM_DESC(slowpci, "Uses slow PCI settings (0 or 1) (default=0)"); +module_param(mode_option, charp, 0); +MODULE_PARM_DESC(mode_option, "Initial video mode (default=" DEFAULT_VIDEO_MODE ")"); + diff --git a/drivers/w1/slaves/Kconfig b/drivers/w1/slaves/Kconfig index d18d6424cd21b..904e5aeb696c4 100644 --- a/drivers/w1/slaves/Kconfig +++ b/drivers/w1/slaves/Kconfig @@ -9,7 +9,7 @@ config W1_SLAVE_THERM tristate "Thermal family implementation" depends on W1 help - Say Y here if you want to connect 1-wire thermal sensors to you + Say Y here if you want to connect 1-wire thermal sensors to your wire. config W1_SLAVE_SMEM @@ -17,7 +17,7 @@ config W1_SLAVE_SMEM depends on W1 help Say Y here if you want to connect 1-wire - simple 64bit memory rom(ds2401/ds2411/ds1990*) to you wire. + simple 64bit memory rom(ds2401/ds2411/ds1990*) to your wire. config W1_SLAVE_DS2433 tristate "4kb EEPROM family support (DS2433)" diff --git a/fs/aio.c b/fs/aio.c index d3a6ec2c9627e..5f577a63bdf0e 100644 --- a/fs/aio.c +++ b/fs/aio.c @@ -586,7 +586,7 @@ static void use_mm(struct mm_struct *mm) * Note that on UML this *requires* PF_BORROWED_MM to be set, otherwise * it won't work. Update it accordingly if you change it here */ - activate_mm(active_mm, mm); + switch_mm(active_mm, mm, tsk); task_unlock(tsk); mmdrop(active_mm); diff --git a/fs/autofs4/inode.c b/fs/autofs4/inode.c index 9c48250fd7264..e8f6c5ad3e904 100644 --- a/fs/autofs4/inode.c +++ b/fs/autofs4/inode.c @@ -313,7 +313,7 @@ int autofs4_fill_super(struct super_block *s, void *data, int silent) struct autofs_sb_info *sbi; struct autofs_info *ino; - sbi = (struct autofs_sb_info *) kmalloc(sizeof(*sbi), GFP_KERNEL); + sbi = kmalloc(sizeof(*sbi), GFP_KERNEL); if ( !sbi ) goto fail_unlock; DPRINTK("starting up, sbi = %p",sbi); diff --git a/fs/befs/btree.c b/fs/befs/btree.c index 81b042ee24e65..af5bb93276f85 100644 --- a/fs/befs/btree.c +++ b/fs/befs/btree.c @@ -260,7 +260,7 @@ befs_btree_find(struct super_block *sb, befs_data_stream * ds, goto error; } - this_node = (befs_btree_node *) kmalloc(sizeof (befs_btree_node), + this_node = kmalloc(sizeof (befs_btree_node), GFP_NOFS); if (!this_node) { befs_error(sb, "befs_btree_find() failed to allocate %u " diff --git a/fs/befs/debug.c b/fs/befs/debug.c index e831a8f30849a..b8e304a0661e4 100644 --- a/fs/befs/debug.c +++ b/fs/befs/debug.c @@ -28,7 +28,7 @@ void befs_error(const struct super_block *sb, const char *fmt, ...) { va_list args; - char *err_buf = (char *) kmalloc(ERRBUFSIZE, GFP_KERNEL); + char *err_buf = kmalloc(ERRBUFSIZE, GFP_KERNEL); if (err_buf == NULL) { printk(KERN_ERR "could not allocate %d bytes\n", ERRBUFSIZE); return; @@ -46,7 +46,7 @@ void befs_warning(const struct super_block *sb, const char *fmt, ...) { va_list args; - char *err_buf = (char *) kmalloc(ERRBUFSIZE, GFP_KERNEL); + char *err_buf = kmalloc(ERRBUFSIZE, GFP_KERNEL); if (err_buf == NULL) { printk(KERN_ERR "could not allocate %d bytes\n", ERRBUFSIZE); return; @@ -70,7 +70,7 @@ befs_debug(const struct super_block *sb, const char *fmt, ...) char *err_buf = NULL; if (BEFS_SB(sb)->mount_opts.debug) { - err_buf = (char *) kmalloc(ERRBUFSIZE, GFP_KERNEL); + err_buf = kmalloc(ERRBUFSIZE, GFP_KERNEL); if (err_buf == NULL) { printk(KERN_ERR "could not allocate %d bytes\n", ERRBUFSIZE); diff --git a/fs/bfs/inode.c b/fs/bfs/inode.c index eac175ed9f445..134c99941a639 100644 --- a/fs/bfs/inode.c +++ b/fs/bfs/inode.c @@ -1,7 +1,7 @@ /* * fs/bfs/inode.c * BFS superblock and inode operations. - * Copyright (C) 1999,2000 Tigran Aivazian <tigran@veritas.com> + * Copyright (C) 1999-2006 Tigran Aivazian <tigran@aivazian.fsnet.co.uk> * From fs/minix, Copyright (C) 1991, 1992 Linus Torvalds. * * Made endianness-clean by Andrew Stribblehill <ads@wompom.org>, 2005. @@ -18,7 +18,7 @@ #include <asm/uaccess.h> #include "bfs.h" -MODULE_AUTHOR("Tigran A. Aivazian <tigran@veritas.com>"); +MODULE_AUTHOR("Tigran Aivazian <tigran@aivazian.fsnet.co.uk>"); MODULE_DESCRIPTION("SCO UnixWare BFS filesystem for Linux"); MODULE_LICENSE("GPL"); diff --git a/fs/binfmt_misc.c b/fs/binfmt_misc.c index 00687ea627385..c2e08252af35d 100644 --- a/fs/binfmt_misc.c +++ b/fs/binfmt_misc.c @@ -311,7 +311,7 @@ static Node *create_entry(const char __user *buffer, size_t count) err = -ENOMEM; memsize = sizeof(Node) + count + 8; - e = (Node *) kmalloc(memsize, GFP_USER); + e = kmalloc(memsize, GFP_USER); if (!e) goto out; diff --git a/fs/bio.c b/fs/bio.c index 7ec737eda72bb..7618bcb183684 100644 --- a/fs/bio.c +++ b/fs/bio.c @@ -916,7 +916,7 @@ void bio_set_pages_dirty(struct bio *bio) } } -static void bio_release_pages(struct bio *bio) +void bio_release_pages(struct bio *bio) { struct bio_vec *bvec = bio->bi_io_vec; int i; diff --git a/fs/block_dev.c b/fs/block_dev.c index 197f939218474..1715d6b5f411a 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -129,43 +129,191 @@ blkdev_get_block(struct inode *inode, sector_t iblock, return 0; } -static int -blkdev_get_blocks(struct inode *inode, sector_t iblock, - struct buffer_head *bh, int create) +static int blk_end_aio(struct bio *bio, unsigned int bytes_done, int error) { - sector_t end_block = max_block(I_BDEV(inode)); - unsigned long max_blocks = bh->b_size >> inode->i_blkbits; + struct kiocb *iocb = bio->bi_private; + atomic_t *bio_count = &iocb->ki_bio_count; - if ((iblock + max_blocks) > end_block) { - max_blocks = end_block - iblock; - if ((long)max_blocks <= 0) { - if (create) - return -EIO; /* write fully beyond EOF */ - /* - * It is a read which is fully beyond EOF. We return - * a !buffer_mapped buffer - */ - max_blocks = 0; - } + if (bio_data_dir(bio) == READ) + bio_check_pages_dirty(bio); + else { + bio_release_pages(bio); + bio_put(bio); + } + + /* iocb->ki_nbytes stores error code from LLDD */ + if (error) + iocb->ki_nbytes = -EIO; + + if (atomic_dec_and_test(bio_count)) { + if (iocb->ki_nbytes < 0) + aio_complete(iocb, iocb->ki_nbytes, 0); + else + aio_complete(iocb, iocb->ki_left, 0); } - bh->b_bdev = I_BDEV(inode); - bh->b_blocknr = iblock; - bh->b_size = max_blocks << inode->i_blkbits; - if (max_blocks) - set_buffer_mapped(bh); return 0; } +#define VEC_SIZE 16 +struct pvec { + unsigned short nr; + unsigned short idx; + struct page *page[VEC_SIZE]; +}; + +#define PAGES_SPANNED(addr, len) \ + (DIV_ROUND_UP((addr) + (len), PAGE_SIZE) - (addr) / PAGE_SIZE); + +/* + * get page pointer for user addr, we internally cache struct page array for + * (addr, count) range in pvec to avoid frequent call to get_user_pages. If + * internal page list is exhausted, a batch count of up to VEC_SIZE is used + * to get next set of page struct. + */ +static struct page *blk_get_page(unsigned long addr, size_t count, int rw, + struct pvec *pvec) +{ + int ret, nr_pages; + if (pvec->idx == pvec->nr) { + nr_pages = PAGES_SPANNED(addr, count); + nr_pages = min(nr_pages, VEC_SIZE); + down_read(¤t->mm->mmap_sem); + ret = get_user_pages(current, current->mm, addr, nr_pages, + rw == READ, 0, pvec->page, NULL); + up_read(¤t->mm->mmap_sem); + if (ret < 0) + return ERR_PTR(ret); + pvec->nr = ret; + pvec->idx = 0; + } + return pvec->page[pvec->idx++]; +} + static ssize_t blkdev_direct_IO(int rw, struct kiocb *iocb, const struct iovec *iov, - loff_t offset, unsigned long nr_segs) -{ - struct file *file = iocb->ki_filp; - struct inode *inode = file->f_mapping->host; + loff_t pos, unsigned long nr_segs) +{ + struct inode *inode = iocb->ki_filp->f_mapping->host; + unsigned blkbits = blksize_bits(bdev_hardsect_size(I_BDEV(inode))); + unsigned blocksize_mask = (1 << blkbits) - 1; + unsigned long seg = 0; /* iov segment iterator */ + unsigned long nvec; /* number of bio vec needed */ + unsigned long cur_off; /* offset into current page */ + unsigned long cur_len; /* I/O len of current page, up to PAGE_SIZE */ + + unsigned long addr; /* user iovec address */ + size_t count; /* user iovec len */ + size_t nbytes = iocb->ki_nbytes = iocb->ki_left; /* total xfer size */ + loff_t size; /* size of block device */ + struct bio *bio; + atomic_t *bio_count = &iocb->ki_bio_count; + struct page *page; + struct pvec pvec; + + pvec.nr = 0; + pvec.idx = 0; + + if (pos & blocksize_mask) + return -EINVAL; + + size = i_size_read(inode); + if (pos + nbytes > size) { + nbytes = size - pos; + iocb->ki_left = nbytes; + } + + /* + * check first non-zero iov alignment, the remaining + * iov alignment is checked inside bio loop below. + */ + do { + addr = (unsigned long) iov[seg].iov_base; + count = min(iov[seg].iov_len, nbytes); + if (addr & blocksize_mask || count & blocksize_mask) + return -EINVAL; + } while (!count && ++seg < nr_segs); + atomic_set(bio_count, 1); + + while (nbytes) { + /* roughly estimate number of bio vec needed */ + nvec = (nbytes + PAGE_SIZE - 1) / PAGE_SIZE; + nvec = max(nvec, nr_segs - seg); + nvec = min(nvec, (unsigned long) BIO_MAX_PAGES); + + /* bio_alloc should not fail with GFP_KERNEL flag */ + bio = bio_alloc(GFP_KERNEL, nvec); + bio->bi_bdev = I_BDEV(inode); + bio->bi_end_io = blk_end_aio; + bio->bi_private = iocb; + bio->bi_sector = pos >> blkbits; +same_bio: + cur_off = addr & ~PAGE_MASK; + cur_len = PAGE_SIZE - cur_off; + if (count < cur_len) + cur_len = count; + + page = blk_get_page(addr, count, rw, &pvec); + if (unlikely(IS_ERR(page))) + goto backout; + + if (bio_add_page(bio, page, cur_len, cur_off)) { + pos += cur_len; + addr += cur_len; + count -= cur_len; + nbytes -= cur_len; + + if (count) + goto same_bio; + while (++seg < nr_segs) { + addr = (unsigned long) iov[seg].iov_base; + count = iov[seg].iov_len; + if (!count) + continue; + if (unlikely(addr & blocksize_mask || + count & blocksize_mask)) { + page = ERR_PTR(-EINVAL); + goto backout; + } + count = min(count, nbytes); + goto same_bio; + } + } - return blockdev_direct_IO_no_locking(rw, iocb, inode, I_BDEV(inode), - iov, offset, nr_segs, blkdev_get_blocks, NULL); + /* bio is ready, submit it */ + if (rw == READ) + bio_set_pages_dirty(bio); + atomic_inc(bio_count); + submit_bio(rw, bio); + } + +completion: + iocb->ki_left -= nbytes; + nbytes = iocb->ki_left; + iocb->ki_pos += nbytes; + + blk_run_address_space(inode->i_mapping); + if (atomic_dec_and_test(bio_count)) + aio_complete(iocb, nbytes, 0); + + return -EIOCBQUEUED; + +backout: + /* + * back out nbytes count constructed so far for this bio, + * we will throw away current bio. + */ + nbytes += bio->bi_size; + bio_release_pages(bio); + bio_put(bio); + + /* + * if no bio was submmitted, return the error code. + * otherwise, proceed with pending I/O completion. + */ + if (atomic_read(bio_count) == 1) + return PTR_ERR(page); + goto completion; } static int blkdev_writepage(struct page *page, struct writeback_control *wbc) diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c index 098790eb2aa16..472e33e0f3cfd 100644 --- a/fs/cifs/cifssmb.c +++ b/fs/cifs/cifssmb.c @@ -4876,7 +4876,7 @@ int CIFSSMBNotify(const int xid, struct cifsTconInfo *tcon, } else { /* Add file to outstanding requests */ /* BB change to kmem cache alloc */ - dnotify_req = (struct dir_notify_req *) kmalloc( + dnotify_req = kmalloc( sizeof(struct dir_notify_req), GFP_KERNEL); if(dnotify_req) { diff --git a/fs/debugfs/inode.c b/fs/debugfs/inode.c index 137d76c3f90a6..c692487346eaa 100644 --- a/fs/debugfs/inode.c +++ b/fs/debugfs/inode.c @@ -24,6 +24,7 @@ #include <linux/kobject.h> #include <linux/namei.h> #include <linux/debugfs.h> +#include <linux/fsnotify.h> #define DEBUGFS_MAGIC 0x64626720 @@ -54,7 +55,8 @@ static struct inode *debugfs_get_inode(struct super_block *sb, int mode, dev_t d inode->i_op = &simple_dir_inode_operations; inode->i_fop = &simple_dir_operations; - /* directory inodes start off with i_nlink == 2 (for "." entry) */ + /* directory inodes start off with i_nlink == 2 + * (for "." entry) */ inc_nlink(inode); break; } @@ -87,15 +89,22 @@ static int debugfs_mkdir(struct inode *dir, struct dentry *dentry, int mode) mode = (mode & (S_IRWXUGO | S_ISVTX)) | S_IFDIR; res = debugfs_mknod(dir, dentry, mode, 0); - if (!res) + if (!res) { inc_nlink(dir); + fsnotify_mkdir(dir, dentry); + } return res; } static int debugfs_create(struct inode *dir, struct dentry *dentry, int mode) { + int res; + mode = (mode & S_IALLUGO) | S_IFREG; - return debugfs_mknod(dir, dentry, mode, 0); + res = debugfs_mknod(dir, dentry, mode, 0); + if (!res) + fsnotify_create(dir, dentry); + return res; } static inline int debugfs_positive(struct dentry *dentry) @@ -135,7 +144,7 @@ static int debugfs_create_by_name(const char *name, mode_t mode, * block. A pointer to that is in the struct vfsmount that we * have around. */ - if (!parent ) { + if (!parent) { if (debugfs_mount && debugfs_mount->mnt_sb) { parent = debugfs_mount->mnt_sb->s_root; } @@ -153,6 +162,7 @@ static int debugfs_create_by_name(const char *name, mode_t mode, error = debugfs_mkdir(parent->d_inode, *dentry, mode); else error = debugfs_create(parent->d_inode, *dentry, mode); + dput(*dentry); } else error = PTR_ERR(*dentry); mutex_unlock(&parent->d_inode->i_mutex); @@ -197,13 +207,15 @@ struct dentry *debugfs_create_file(const char *name, mode_t mode, pr_debug("debugfs: creating file '%s'\n",name); - error = simple_pin_fs(&debug_fs_type, &debugfs_mount, &debugfs_mount_count); + error = simple_pin_fs(&debug_fs_type, &debugfs_mount, + &debugfs_mount_count); if (error) goto exit; error = debugfs_create_by_name(name, mode, parent, &dentry); if (error) { dentry = NULL; + simple_release_fs(&debugfs_mount, &debugfs_mount_count); goto exit; } @@ -262,6 +274,7 @@ EXPORT_SYMBOL_GPL(debugfs_create_dir); void debugfs_remove(struct dentry *dentry) { struct dentry *parent; + int ret = 0; if (!dentry) return; @@ -273,11 +286,19 @@ void debugfs_remove(struct dentry *dentry) mutex_lock(&parent->d_inode->i_mutex); if (debugfs_positive(dentry)) { if (dentry->d_inode) { - if (S_ISDIR(dentry->d_inode->i_mode)) - simple_rmdir(parent->d_inode, dentry); - else + dget(dentry); + if (S_ISDIR(dentry->d_inode->i_mode)) { + ret = simple_rmdir(parent->d_inode, dentry); + if (ret) + printk(KERN_ERR + "DebugFS rmdir on %s failed : " + "directory not empty.\n", + dentry->d_name.name); + } else simple_unlink(parent->d_inode, dentry); - dput(dentry); + if (!ret) + d_delete(dentry); + dput(dentry); } } mutex_unlock(&parent->d_inode->i_mutex); diff --git a/fs/inode.c b/fs/inode.c index d00de182ecb97..bf21dc6d0dbd7 100644 --- a/fs/inode.c +++ b/fs/inode.c @@ -1144,7 +1144,6 @@ sector_t bmap(struct inode * inode, sector_t block) res = inode->i_mapping->a_ops->bmap(inode->i_mapping, block); return res; } - EXPORT_SYMBOL(bmap); /** @@ -1163,27 +1162,43 @@ void touch_atime(struct vfsmount *mnt, struct dentry *dentry) if (IS_RDONLY(inode)) return; - - if ((inode->i_flags & S_NOATIME) || - (inode->i_sb->s_flags & MS_NOATIME) || - ((inode->i_sb->s_flags & MS_NODIRATIME) && S_ISDIR(inode->i_mode))) + if (inode->i_flags & S_NOATIME) + return; + if (inode->i_sb->s_flags & MS_NOATIME) + return; + if ((inode->i_sb->s_flags & MS_NODIRATIME) && S_ISDIR(inode->i_mode)) return; /* * We may have a NULL vfsmount when coming from NFSD */ - if (mnt && - ((mnt->mnt_flags & MNT_NOATIME) || - ((mnt->mnt_flags & MNT_NODIRATIME) && S_ISDIR(inode->i_mode)))) - return; + if (mnt) { + if (mnt->mnt_flags & MNT_NOATIME) + return; + if ((mnt->mnt_flags & MNT_NODIRATIME) && S_ISDIR(inode->i_mode)) + return; - now = current_fs_time(inode->i_sb); - if (!timespec_equal(&inode->i_atime, &now)) { - inode->i_atime = now; - mark_inode_dirty_sync(inode); + if (mnt->mnt_flags & MNT_RELATIME) { + /* + * With relative atime, only update atime if the + * previous atime is earlier than either the ctime or + * mtime. + */ + if (timespec_compare(&inode->i_mtime, + &inode->i_atime) < 0 && + timespec_compare(&inode->i_ctime, + &inode->i_atime) < 0) + return; + } } -} + now = current_fs_time(inode->i_sb); + if (timespec_equal(&inode->i_atime, &now)) + return; + + inode->i_atime = now; + mark_inode_dirty_sync(inode); +} EXPORT_SYMBOL(touch_atime); /** diff --git a/fs/jffs/inode-v23.c b/fs/jffs/inode-v23.c index 7b40c69f44ebb..43baa1afa0218 100644 --- a/fs/jffs/inode-v23.c +++ b/fs/jffs/inode-v23.c @@ -818,7 +818,7 @@ jffs_mkdir(struct inode *dir, struct dentry *dentry, int mode) D1({ int len = dentry->d_name.len; - char *_name = (char *) kmalloc(len + 1, GFP_KERNEL); + char *_name = kmalloc(len + 1, GFP_KERNEL); memcpy(_name, dentry->d_name.name, len); _name[len] = '\0'; printk("***jffs_mkdir(): dir = 0x%p, name = \"%s\", " @@ -964,7 +964,7 @@ jffs_remove(struct inode *dir, struct dentry *dentry, int type) D1({ int len = dentry->d_name.len; const char *name = dentry->d_name.name; - char *_name = (char *) kmalloc(len + 1, GFP_KERNEL); + char *_name = kmalloc(len + 1, GFP_KERNEL); memcpy(_name, name, len); _name[len] = '\0'; printk("***jffs_remove(): file = \"%s\", ino = %ld\n", _name, dentry->d_inode->i_ino); diff --git a/fs/jffs/intrep.c b/fs/jffs/intrep.c index d0e783f199eaf..6dd18911b44ce 100644 --- a/fs/jffs/intrep.c +++ b/fs/jffs/intrep.c @@ -436,7 +436,7 @@ jffs_checksum_flash(struct mtd_info *mtd, loff_t start, int size, __u32 *result) int i, length; /* Allocate read buffer */ - read_buf = (__u8 *) kmalloc (sizeof(__u8) * 4096, GFP_KERNEL); + read_buf = kmalloc(sizeof(__u8) * 4096, GFP_KERNEL); if (!read_buf) { printk(KERN_NOTICE "kmalloc failed in jffs_checksum_flash()\n"); return -ENOMEM; @@ -744,11 +744,11 @@ static int check_partly_erased_sectors(struct jffs_fmcontrol *fmc){ /* Allocate read buffers */ - read_buf1 = (__u8 *) kmalloc (sizeof(__u8) * READ_AHEAD_BYTES, GFP_KERNEL); + read_buf1 = kmalloc(sizeof(__u8) * READ_AHEAD_BYTES, GFP_KERNEL); if (!read_buf1) return -ENOMEM; - read_buf2 = (__u8 *) kmalloc (sizeof(__u8) * READ_AHEAD_BYTES, GFP_KERNEL); + read_buf2 = kmalloc(sizeof(__u8) * READ_AHEAD_BYTES, GFP_KERNEL); if (!read_buf2) { kfree(read_buf1); return -ENOMEM; @@ -876,7 +876,7 @@ jffs_scan_flash(struct jffs_control *c) } /* Allocate read buffer */ - read_buf = (__u8 *) kmalloc (sizeof(__u8) * 4096, GFP_KERNEL); + read_buf = kmalloc(sizeof(__u8) * 4096, GFP_KERNEL); if (!read_buf) { flash_safe_release(fmc->mtd); return -ENOMEM; @@ -1463,7 +1463,7 @@ jffs_insert_node(struct jffs_control *c, struct jffs_file *f, kfree(f->name); DJM(no_name--); } - if (!(f->name = (char *) kmalloc(raw_inode->nsize + 1, + if (!(f->name = kmalloc(raw_inode->nsize + 1, GFP_KERNEL))) { return -ENOMEM; } @@ -1737,7 +1737,7 @@ jffs_find_child(struct jffs_file *dir, const char *name, int len) printk("jffs_find_child(): Found \"%s\".\n", f->name); } else { - char *copy = (char *) kmalloc(len + 1, GFP_KERNEL); + char *copy = kmalloc(len + 1, GFP_KERNEL); if (copy) { memcpy(copy, name, len); copy[len] = '\0'; @@ -2627,7 +2627,7 @@ jffs_print_tree(struct jffs_file *first_file, int indent) return; } - if (!(space = (char *) kmalloc(indent + 1, GFP_KERNEL))) { + if (!(space = kmalloc(indent + 1, GFP_KERNEL))) { printk("jffs_print_tree(): Out of memory!\n"); return; } diff --git a/fs/jfs/jfs_dtree.c b/fs/jfs/jfs_dtree.c index 47bc0b5d13242..6d62f3222892c 100644 --- a/fs/jfs/jfs_dtree.c +++ b/fs/jfs/jfs_dtree.c @@ -3777,12 +3777,12 @@ static int ciGetLeafPrefixKey(dtpage_t * lp, int li, dtpage_t * rp, struct component_name lkey; struct component_name rkey; - lkey.name = (wchar_t *) kmalloc((JFS_NAME_MAX + 1) * sizeof(wchar_t), + lkey.name = kmalloc((JFS_NAME_MAX + 1) * sizeof(wchar_t), GFP_KERNEL); if (lkey.name == NULL) return -ENOMEM; - rkey.name = (wchar_t *) kmalloc((JFS_NAME_MAX + 1) * sizeof(wchar_t), + rkey.name = kmalloc((JFS_NAME_MAX + 1) * sizeof(wchar_t), GFP_KERNEL); if (rkey.name == NULL) { kfree(lkey.name); diff --git a/fs/jfs/jfs_imap.c b/fs/jfs/jfs_imap.c index ee9b473b7b808..53f63b47a6d34 100644 --- a/fs/jfs/jfs_imap.c +++ b/fs/jfs/jfs_imap.c @@ -120,7 +120,7 @@ int diMount(struct inode *ipimap) * allocate/initialize the in-memory inode map control structure */ /* allocate the in-memory inode map control structure. */ - imap = (struct inomap *) kmalloc(sizeof(struct inomap), GFP_KERNEL); + imap = kmalloc(sizeof(struct inomap), GFP_KERNEL); if (imap == NULL) { jfs_err("diMount: kmalloc returned NULL!"); return -ENOMEM; diff --git a/fs/lockd/clntlock.c b/fs/lockd/clntlock.c index 92681c9e9b200..0627077451629 100644 --- a/fs/lockd/clntlock.c +++ b/fs/lockd/clntlock.c @@ -36,7 +36,7 @@ struct nlm_wait { struct nlm_host * b_host; struct file_lock * b_lock; /* local file lock */ unsigned short b_reclaim; /* got to reclaim lock */ - u32 b_status; /* grant callback status */ + __be32 b_status; /* grant callback status */ }; static LIST_HEAD(nlm_blocked); @@ -53,7 +53,7 @@ struct nlm_wait *nlmclnt_prepare_block(struct nlm_host *host, struct file_lock * block->b_host = host; block->b_lock = fl; init_waitqueue_head(&block->b_wait); - block->b_status = NLM_LCK_BLOCKED; + block->b_status = nlm_lck_blocked; list_add(&block->b_list, &nlm_blocked); } return block; @@ -89,7 +89,7 @@ int nlmclnt_block(struct nlm_wait *block, struct nlm_rqst *req, long timeout) * nlmclnt_lock for an explanation. */ ret = wait_event_interruptible_timeout(block->b_wait, - block->b_status != NLM_LCK_BLOCKED, + block->b_status != nlm_lck_blocked, timeout); if (ret < 0) return -ERESTARTSYS; @@ -131,7 +131,7 @@ __be32 nlmclnt_grant(const struct sockaddr_in *addr, const struct nlm_lock *lock /* Alright, we found a lock. Set the return status * and wake up the caller */ - block->b_status = NLM_LCK_GRANTED; + block->b_status = nlm_granted; wake_up(&block->b_wait); res = nlm_granted; } @@ -211,7 +211,7 @@ restart: /* Now, wake up all processes that sleep on a blocked lock */ list_for_each_entry(block, &nlm_blocked, b_list) { if (block->b_host == host) { - block->b_status = NLM_LCK_DENIED_GRACE_PERIOD; + block->b_status = nlm_lck_denied_grace_period; wake_up(&block->b_wait); } } diff --git a/fs/lockd/clntproc.c b/fs/lockd/clntproc.c index 80a1a6dccc8f2..0b4acc1c5e7da 100644 --- a/fs/lockd/clntproc.c +++ b/fs/lockd/clntproc.c @@ -27,7 +27,7 @@ static int nlmclnt_test(struct nlm_rqst *, struct file_lock *); static int nlmclnt_lock(struct nlm_rqst *, struct file_lock *); static int nlmclnt_unlock(struct nlm_rqst *, struct file_lock *); -static int nlm_stat_to_errno(u32 stat); +static int nlm_stat_to_errno(__be32 stat); static void nlmclnt_locks_init_private(struct file_lock *fl, struct nlm_host *host); static int nlmclnt_cancel(struct nlm_host *, int , struct file_lock *); @@ -325,7 +325,7 @@ nlmclnt_call(struct nlm_rqst *req, u32 proc) } break; } else - if (resp->status == NLM_LCK_DENIED_GRACE_PERIOD) { + if (resp->status == nlm_lck_denied_grace_period) { dprintk("lockd: server in grace period\n"); if (argp->reclaim) { printk(KERN_WARNING @@ -411,10 +411,10 @@ nlmclnt_test(struct nlm_rqst *req, struct file_lock *fl) goto out; switch (req->a_res.status) { - case NLM_LCK_GRANTED: + case nlm_granted: fl->fl_type = F_UNLCK; break; - case NLM_LCK_DENIED: + case nlm_lck_denied: /* * Report the conflicting lock back to the application. */ @@ -524,9 +524,9 @@ again: if (!req->a_args.block) break; /* Did a reclaimer thread notify us of a server reboot? */ - if (resp->status == NLM_LCK_DENIED_GRACE_PERIOD) + if (resp->status == nlm_lck_denied_grace_period) continue; - if (resp->status != NLM_LCK_BLOCKED) + if (resp->status != nlm_lck_blocked) break; /* Wait on an NLM blocking lock */ status = nlmclnt_block(block, req, NLMCLNT_POLL_TIMEOUT); @@ -535,11 +535,11 @@ again: */ if (status < 0) goto out_unblock; - if (resp->status != NLM_LCK_BLOCKED) + if (resp->status != nlm_lck_blocked) break; } - if (resp->status == NLM_LCK_GRANTED) { + if (resp->status == nlm_granted) { down_read(&host->h_rwsem); /* Check whether or not the server has rebooted */ if (fl->fl_u.nfs_fl.state != host->h_state) { @@ -556,7 +556,7 @@ again: out_unblock: nlmclnt_finish_block(block); /* Cancel the blocked request if it is still pending */ - if (resp->status == NLM_LCK_BLOCKED) + if (resp->status == nlm_lck_blocked) nlmclnt_cancel(host, req->a_args.block, fl); out: nlm_release_call(req); @@ -585,12 +585,12 @@ nlmclnt_reclaim(struct nlm_host *host, struct file_lock *fl) req->a_args.reclaim = 1; if ((status = nlmclnt_call(req, NLMPROC_LOCK)) >= 0 - && req->a_res.status == NLM_LCK_GRANTED) + && req->a_res.status == nlm_granted) return 0; printk(KERN_WARNING "lockd: failed to reclaim lock for pid %d " "(errno %d, status %d)\n", fl->fl_pid, - status, req->a_res.status); + status, ntohl(req->a_res.status)); /* * FIXME: This is a serious failure. We can @@ -637,10 +637,10 @@ nlmclnt_unlock(struct nlm_rqst *req, struct file_lock *fl) if (status < 0) goto out; - if (resp->status == NLM_LCK_GRANTED) + if (resp->status == nlm_granted) goto out; - if (resp->status != NLM_LCK_DENIED_NOLOCKS) + if (resp->status != nlm_lck_denied_nolocks) printk("lockd: unexpected unlock status: %d\n", resp->status); /* What to do now? I'm out of my depth... */ status = -ENOLCK; @@ -652,7 +652,7 @@ out: static void nlmclnt_unlock_callback(struct rpc_task *task, void *data) { struct nlm_rqst *req = data; - int status = req->a_res.status; + u32 status = ntohl(req->a_res.status); if (RPC_ASSASSINATED(task)) goto die; @@ -720,6 +720,7 @@ static int nlmclnt_cancel(struct nlm_host *host, int block, struct file_lock *fl static void nlmclnt_cancel_callback(struct rpc_task *task, void *data) { struct nlm_rqst *req = data; + u32 status = ntohl(req->a_res.status); if (RPC_ASSASSINATED(task)) goto die; @@ -731,9 +732,9 @@ static void nlmclnt_cancel_callback(struct rpc_task *task, void *data) } dprintk("lockd: cancel status %u (task %u)\n", - req->a_res.status, task->tk_pid); + status, task->tk_pid); - switch (req->a_res.status) { + switch (status) { case NLM_LCK_GRANTED: case NLM_LCK_DENIED_GRACE_PERIOD: case NLM_LCK_DENIED: @@ -744,7 +745,7 @@ static void nlmclnt_cancel_callback(struct rpc_task *task, void *data) goto retry_cancel; default: printk(KERN_NOTICE "lockd: weird return %d for CANCEL call\n", - req->a_res.status); + status); } die: @@ -768,9 +769,9 @@ static const struct rpc_call_ops nlmclnt_cancel_ops = { * Convert an NLM status code to a generic kernel errno */ static int -nlm_stat_to_errno(u32 status) +nlm_stat_to_errno(__be32 status) { - switch(status) { + switch(ntohl(status)) { case NLM_LCK_GRANTED: return 0; case NLM_LCK_DENIED: diff --git a/fs/lockd/svclock.c b/fs/lockd/svclock.c index 5c054b20fd5e8..c7db0a5bccdc1 100644 --- a/fs/lockd/svclock.c +++ b/fs/lockd/svclock.c @@ -645,7 +645,7 @@ static const struct rpc_call_ops nlmsvc_grant_ops = { * block. */ void -nlmsvc_grant_reply(struct nlm_cookie *cookie, u32 status) +nlmsvc_grant_reply(struct nlm_cookie *cookie, __be32 status) { struct nlm_block *block; @@ -655,7 +655,7 @@ nlmsvc_grant_reply(struct nlm_cookie *cookie, u32 status) return; if (block) { - if (status == NLM_LCK_DENIED_GRACE_PERIOD) { + if (status == nlm_lck_denied_grace_period) { /* Try again in a couple of seconds */ nlmsvc_insert_block(block, 10 * HZ); } else { diff --git a/fs/lockd/svcshare.c b/fs/lockd/svcshare.c index 6220dc2a3f2c2..068886de4dda1 100644 --- a/fs/lockd/svcshare.c +++ b/fs/lockd/svcshare.c @@ -39,7 +39,7 @@ nlmsvc_share_file(struct nlm_host *host, struct nlm_file *file, return nlm_lck_denied; } - share = (struct nlm_share *) kmalloc(sizeof(*share) + oh->len, + share = kmalloc(sizeof(*share) + oh->len, GFP_KERNEL); if (share == NULL) return nlm_lck_denied_nolocks; diff --git a/fs/lockd/xdr.c b/fs/lockd/xdr.c index b7c949256e5a3..34dae5d70738b 100644 --- a/fs/lockd/xdr.c +++ b/fs/lockd/xdr.c @@ -361,7 +361,7 @@ nlmsvc_decode_res(struct svc_rqst *rqstp, __be32 *p, struct nlm_res *resp) { if (!(p = nlm_decode_cookie(p, &resp->cookie))) return 0; - resp->status = ntohl(*p++); + resp->status = *p++; return xdr_argsize_check(rqstp, p); } @@ -407,8 +407,8 @@ nlmclt_decode_testres(struct rpc_rqst *req, __be32 *p, struct nlm_res *resp) { if (!(p = nlm_decode_cookie(p, &resp->cookie))) return -EIO; - resp->status = ntohl(*p++); - if (resp->status == NLM_LCK_DENIED) { + resp->status = *p++; + if (resp->status == nlm_lck_denied) { struct file_lock *fl = &resp->lock.fl; u32 excl; s32 start, len, end; @@ -506,7 +506,7 @@ nlmclt_decode_res(struct rpc_rqst *req, __be32 *p, struct nlm_res *resp) { if (!(p = nlm_decode_cookie(p, &resp->cookie))) return -EIO; - resp->status = ntohl(*p++); + resp->status = *p++; return 0; } diff --git a/fs/lockd/xdr4.c b/fs/lockd/xdr4.c index f4c0b2b9f75a7..a78240551219a 100644 --- a/fs/lockd/xdr4.c +++ b/fs/lockd/xdr4.c @@ -367,7 +367,7 @@ nlm4svc_decode_res(struct svc_rqst *rqstp, __be32 *p, struct nlm_res *resp) { if (!(p = nlm4_decode_cookie(p, &resp->cookie))) return 0; - resp->status = ntohl(*p++); + resp->status = *p++; return xdr_argsize_check(rqstp, p); } @@ -413,8 +413,8 @@ nlm4clt_decode_testres(struct rpc_rqst *req, __be32 *p, struct nlm_res *resp) { if (!(p = nlm4_decode_cookie(p, &resp->cookie))) return -EIO; - resp->status = ntohl(*p++); - if (resp->status == NLM_LCK_DENIED) { + resp->status = *p++; + if (resp->status == nlm_lck_denied) { struct file_lock *fl = &resp->lock.fl; u32 excl; s64 start, end, len; @@ -512,7 +512,7 @@ nlm4clt_decode_res(struct rpc_rqst *req, __be32 *p, struct nlm_res *resp) { if (!(p = nlm4_decode_cookie(p, &resp->cookie))) return -EIO; - resp->status = ntohl(*p++); + resp->status = *p++; return 0; } diff --git a/fs/namespace.c b/fs/namespace.c index fde8553faa766..5ef336c1103c2 100644 --- a/fs/namespace.c +++ b/fs/namespace.c @@ -368,6 +368,7 @@ static int show_vfsmnt(struct seq_file *m, void *v) { MNT_NOEXEC, ",noexec" }, { MNT_NOATIME, ",noatime" }, { MNT_NODIRATIME, ",nodiratime" }, + { MNT_RELATIME, ",relatime" }, { 0, NULL } }; struct proc_fs_info *fs_infop; @@ -1405,9 +1406,11 @@ long do_mount(char *dev_name, char *dir_name, char *type_page, mnt_flags |= MNT_NOATIME; if (flags & MS_NODIRATIME) mnt_flags |= MNT_NODIRATIME; + if (flags & MS_RELATIME) + mnt_flags |= MNT_RELATIME; flags &= ~(MS_NOSUID | MS_NOEXEC | MS_NODEV | MS_ACTIVE | - MS_NOATIME | MS_NODIRATIME); + MS_NOATIME | MS_NODIRATIME | MS_RELATIME); /* ... and get the mountpoint */ retval = path_lookup(dir_name, LOOKUP_FOLLOW, &nd); diff --git a/fs/ncpfs/inode.c b/fs/ncpfs/inode.c index 47462ac944749..67a90bf795d57 100644 --- a/fs/ncpfs/inode.c +++ b/fs/ncpfs/inode.c @@ -327,11 +327,12 @@ static int ncp_parse_options(struct ncp_mount_data_kernel *data, char *options) char *optarg; unsigned long optint; int version = 0; + int ret; data->flags = 0; data->int_flags = 0; data->mounted_uid = 0; - data->wdog_pid = -1; + data->wdog_pid = NULL; data->ncp_fd = ~0; data->time_out = 10; data->retry_count = 20; @@ -343,8 +344,9 @@ static int ncp_parse_options(struct ncp_mount_data_kernel *data, char *options) data->mounted_vol[0] = 0; while ((optval = ncp_getopt("ncpfs", &options, ncp_opts, NULL, &optarg, &optint)) != 0) { - if (optval < 0) - return optval; + ret = optval; + if (ret < 0) + goto err; switch (optval) { case 'u': data->uid = optint; @@ -371,7 +373,7 @@ static int ncp_parse_options(struct ncp_mount_data_kernel *data, char *options) data->flags = optint; break; case 'w': - data->wdog_pid = optint; + data->wdog_pid = find_get_pid(optint); break; case 'n': data->ncp_fd = optint; @@ -380,18 +382,21 @@ static int ncp_parse_options(struct ncp_mount_data_kernel *data, char *options) data->info_fd = optint; break; case 'v': - if (optint < NCP_MOUNT_VERSION_V4) { - return -ECHRNG; - } - if (optint > NCP_MOUNT_VERSION_V5) { - return -ECHRNG; - } + ret = -ECHRNG; + if (optint < NCP_MOUNT_VERSION_V4) + goto err; + if (optint > NCP_MOUNT_VERSION_V5) + goto err; version = optint; break; } } return 0; +err: + put_pid(data->wdog_pid); + data->wdog_pid = NULL; + return ret; } static int ncp_fill_super(struct super_block *sb, void *raw_data, int silent) @@ -409,6 +414,7 @@ static int ncp_fill_super(struct super_block *sb, void *raw_data, int silent) #endif struct ncp_entry_info finfo; + data.wdog_pid = NULL; server = kzalloc(sizeof(struct ncp_server), GFP_KERNEL); if (!server) return -ENOMEM; @@ -425,7 +431,7 @@ static int ncp_fill_super(struct super_block *sb, void *raw_data, int silent) data.flags = md->flags; data.int_flags = NCP_IMOUNT_LOGGEDIN_POSSIBLE; data.mounted_uid = md->mounted_uid; - data.wdog_pid = md->wdog_pid; + data.wdog_pid = find_get_pid(md->wdog_pid); data.ncp_fd = md->ncp_fd; data.time_out = md->time_out; data.retry_count = md->retry_count; @@ -445,7 +451,7 @@ static int ncp_fill_super(struct super_block *sb, void *raw_data, int silent) data.flags = md->flags; data.int_flags = 0; data.mounted_uid = md->mounted_uid; - data.wdog_pid = md->wdog_pid; + data.wdog_pid = find_get_pid(md->wdog_pid); data.ncp_fd = md->ncp_fd; data.time_out = md->time_out; data.retry_count = md->retry_count; @@ -679,6 +685,7 @@ out_fput: */ fput(ncp_filp); out: + put_pid(data.wdog_pid); sb->s_fs_info = NULL; kfree(server); return error; @@ -711,7 +718,8 @@ static void ncp_put_super(struct super_block *sb) if (server->info_filp) fput(server->info_filp); fput(server->ncp_filp); - kill_proc(server->m.wdog_pid, SIGTERM, 1); + kill_pid(server->m.wdog_pid, SIGTERM, 1); + put_pid(server->m.wdog_pid); kfree(server->priv.data); kfree(server->auth.object_name); diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index ee458aeab24a5..b3fd29baadc39 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -1877,7 +1877,7 @@ static int nfs4_proc_unlink_setup(struct rpc_message *msg, struct dentry *dir, struct nfs_server *server = NFS_SERVER(dir->d_inode); struct unlink_desc *up; - up = (struct unlink_desc *) kmalloc(sizeof(*up), GFP_KERNEL); + up = kmalloc(sizeof(*up), GFP_KERNEL); if (!up) return -ENOMEM; diff --git a/fs/nfsd/export.c b/fs/nfsd/export.c index f37df46d2eaa5..248dd92e6a56d 100644 --- a/fs/nfsd/export.c +++ b/fs/nfsd/export.c @@ -787,15 +787,20 @@ exp_get_by_name(svc_client *clp, struct vfsmount *mnt, struct dentry *dentry, key.ex_dentry = dentry; exp = svc_export_lookup(&key); - if (exp != NULL) - switch (cache_check(&svc_export_cache, &exp->h, reqp)) { + if (exp != NULL) { + int err; + + err = cache_check(&svc_export_cache, &exp->h, reqp); + switch (err) { case 0: break; case -EAGAIN: - exp = ERR_PTR(-EAGAIN); + case -ETIMEDOUT: + exp = ERR_PTR(err); break; default: exp = NULL; } + } return exp; } @@ -950,6 +955,8 @@ exp_export(struct nfsctl_export *nxp) exp = exp_get_by_name(clp, nd.mnt, nd.dentry, NULL); + memset(&new, 0, sizeof(new)); + /* must make sure there won't be an ex_fsid clash */ if ((nxp->ex_flags & NFSEXP_FSID) && (fsid_key = exp_get_fsid_key(clp, nxp->ex_dev)) && @@ -980,6 +987,9 @@ exp_export(struct nfsctl_export *nxp) new.h.expiry_time = NEVER; new.h.flags = 0; + new.ex_path = kstrdup(nxp->ex_path, GFP_KERNEL); + if (!new.ex_path) + goto finish; new.ex_client = clp; new.ex_mnt = nd.mnt; new.ex_dentry = nd.dentry; @@ -1000,10 +1010,11 @@ exp_export(struct nfsctl_export *nxp) /* failed to create at least one index */ exp_do_unexport(exp); cache_flush(); - err = -ENOMEM; - } - + } else + err = 0; finish: + if (new.ex_path) + kfree(new.ex_path); if (exp) exp_put(exp); if (fsid_key && !IS_ERR(fsid_key)) @@ -1104,6 +1115,10 @@ exp_rootfh(svc_client *clp, char *path, struct knfsd_fh *f, int maxsize) path, nd.dentry, clp->name, inode->i_sb->s_id, inode->i_ino); exp = exp_parent(clp, nd.mnt, nd.dentry, NULL); + if (IS_ERR(exp)) { + err = PTR_ERR(exp); + goto out; + } if (!exp) { dprintk("nfsd: exp_rootfh export not found.\n"); goto out; @@ -1159,12 +1174,10 @@ exp_pseudoroot(struct auth_domain *clp, struct svc_fh *fhp, mk_fsid_v1(fsidv, 0); exp = exp_find(clp, 1, fsidv, creq); - if (IS_ERR(exp) && PTR_ERR(exp) == -EAGAIN) - return nfserr_dropit; + if (IS_ERR(exp)) + return nfserrno(PTR_ERR(exp)); if (exp == NULL) return nfserr_perm; - else if (IS_ERR(exp)) - return nfserrno(PTR_ERR(exp)); rv = fh_compose(fhp, exp, exp->ex_dentry, NULL); exp_put(exp); return rv; diff --git a/fs/nfsd/lockd.c b/fs/nfsd/lockd.c index 11fdaf7721b4e..221acd1f11f66 100644 --- a/fs/nfsd/lockd.c +++ b/fs/nfsd/lockd.c @@ -22,7 +22,7 @@ /* * Note: we hold the dentry use count while the file is open. */ -static u32 +static __be32 nlm_fopen(struct svc_rqst *rqstp, struct nfs_fh *f, struct file **filp) { __be32 nfserr; diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c index 50bc94243ca1b..8522729830db9 100644 --- a/fs/nfsd/nfs4proc.c +++ b/fs/nfsd/nfs4proc.c @@ -33,13 +33,6 @@ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * Note: some routines in this file are just trivial wrappers - * (e.g. nfsd4_lookup()) defined solely for the sake of consistent - * naming. Since all such routines have been declared "inline", - * there shouldn't be any associated overhead. At some point in - * the future, I might inline these "by hand" to clean up a - * little. */ #include <linux/param.h> @@ -161,8 +154,9 @@ do_open_fhandle(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_ } -static inline __be32 -nfsd4_open(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_open *open, struct nfs4_stateowner **replay_owner) +static __be32 +nfsd4_open(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, + struct nfsd4_open *open) { __be32 status; dprintk("NFSD: nfsd4_open filename %.*s op_stateowner %p\n", @@ -179,11 +173,11 @@ nfsd4_open(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_open status = nfsd4_process_open1(open); if (status == nfserr_replay_me) { struct nfs4_replay *rp = &open->op_stateowner->so_replay; - fh_put(current_fh); - current_fh->fh_handle.fh_size = rp->rp_openfh_len; - memcpy(¤t_fh->fh_handle.fh_base, rp->rp_openfh, + fh_put(&cstate->current_fh); + cstate->current_fh.fh_handle.fh_size = rp->rp_openfh_len; + memcpy(&cstate->current_fh.fh_handle.fh_base, rp->rp_openfh, rp->rp_openfh_len); - status = fh_verify(rqstp, current_fh, 0, MAY_NOP); + status = fh_verify(rqstp, &cstate->current_fh, 0, MAY_NOP); if (status) dprintk("nfsd4_open: replay failed" " restoring previous filehandle\n"); @@ -215,7 +209,8 @@ nfsd4_open(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_open * (3) set open->op_truncate if the file is to be * truncated after opening, (4) do permission checking. */ - status = do_open_lookup(rqstp, current_fh, open); + status = do_open_lookup(rqstp, &cstate->current_fh, + open); if (status) goto out; break; @@ -227,7 +222,8 @@ nfsd4_open(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_open * open->op_truncate if the file is to be truncated * after opening, (3) do permission checking. */ - status = do_open_fhandle(rqstp, current_fh, open); + status = do_open_fhandle(rqstp, &cstate->current_fh, + open); if (status) goto out; break; @@ -248,11 +244,11 @@ nfsd4_open(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_open * successful, it (1) truncates the file if open->op_truncate was * set, (2) sets open->op_stateid, (3) sets open->op_delegation. */ - status = nfsd4_process_open2(rqstp, current_fh, open); + status = nfsd4_process_open2(rqstp, &cstate->current_fh, open); out: if (open->op_stateowner) { nfs4_get_stateowner(open->op_stateowner); - *replay_owner = open->op_stateowner; + cstate->replay_owner = open->op_stateowner; } nfs4_unlock_state(); return status; @@ -261,71 +257,80 @@ out: /* * filehandle-manipulating ops. */ -static inline __be32 -nfsd4_getfh(struct svc_fh *current_fh, struct svc_fh **getfh) +static __be32 +nfsd4_getfh(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, + struct svc_fh **getfh) { - if (!current_fh->fh_dentry) + if (!cstate->current_fh.fh_dentry) return nfserr_nofilehandle; - *getfh = current_fh; + *getfh = &cstate->current_fh; return nfs_ok; } -static inline __be32 -nfsd4_putfh(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_putfh *putfh) +static __be32 +nfsd4_putfh(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, + struct nfsd4_putfh *putfh) { - fh_put(current_fh); - current_fh->fh_handle.fh_size = putfh->pf_fhlen; - memcpy(¤t_fh->fh_handle.fh_base, putfh->pf_fhval, putfh->pf_fhlen); - return fh_verify(rqstp, current_fh, 0, MAY_NOP); + fh_put(&cstate->current_fh); + cstate->current_fh.fh_handle.fh_size = putfh->pf_fhlen; + memcpy(&cstate->current_fh.fh_handle.fh_base, putfh->pf_fhval, + putfh->pf_fhlen); + return fh_verify(rqstp, &cstate->current_fh, 0, MAY_NOP); } -static inline __be32 -nfsd4_putrootfh(struct svc_rqst *rqstp, struct svc_fh *current_fh) +static __be32 +nfsd4_putrootfh(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, + void *arg) { __be32 status; - fh_put(current_fh); - status = exp_pseudoroot(rqstp->rq_client, current_fh, + fh_put(&cstate->current_fh); + status = exp_pseudoroot(rqstp->rq_client, &cstate->current_fh, &rqstp->rq_chandle); return status; } -static inline __be32 -nfsd4_restorefh(struct svc_fh *current_fh, struct svc_fh *save_fh) +static __be32 +nfsd4_restorefh(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, + void *arg) { - if (!save_fh->fh_dentry) + if (!cstate->save_fh.fh_dentry) return nfserr_restorefh; - fh_dup2(current_fh, save_fh); + fh_dup2(&cstate->current_fh, &cstate->save_fh); return nfs_ok; } -static inline __be32 -nfsd4_savefh(struct svc_fh *current_fh, struct svc_fh *save_fh) +static __be32 +nfsd4_savefh(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, + void *arg) { - if (!current_fh->fh_dentry) + if (!cstate->current_fh.fh_dentry) return nfserr_nofilehandle; - fh_dup2(save_fh, current_fh); + fh_dup2(&cstate->save_fh, &cstate->current_fh); return nfs_ok; } /* * misc nfsv4 ops */ -static inline __be32 -nfsd4_access(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_access *access) +static __be32 +nfsd4_access(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, + struct nfsd4_access *access) { if (access->ac_req_access & ~NFS3_ACCESS_FULL) return nfserr_inval; access->ac_resp_access = access->ac_req_access; - return nfsd_access(rqstp, current_fh, &access->ac_resp_access, &access->ac_supported); + return nfsd_access(rqstp, &cstate->current_fh, &access->ac_resp_access, + &access->ac_supported); } -static inline __be32 -nfsd4_commit(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_commit *commit) +static __be32 +nfsd4_commit(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, + struct nfsd4_commit *commit) { __be32 status; @@ -333,14 +338,16 @@ nfsd4_commit(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_com *p++ = nfssvc_boot.tv_sec; *p++ = nfssvc_boot.tv_usec; - status = nfsd_commit(rqstp, current_fh, commit->co_offset, commit->co_count); + status = nfsd_commit(rqstp, &cstate->current_fh, commit->co_offset, + commit->co_count); if (status == nfserr_symlink) status = nfserr_inval; return status; } static __be32 -nfsd4_create(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_create *create) +nfsd4_create(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, + struct nfsd4_create *create) { struct svc_fh resfh; __be32 status; @@ -348,7 +355,7 @@ nfsd4_create(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_cre fh_init(&resfh, NFS4_FHSIZE); - status = fh_verify(rqstp, current_fh, S_IFDIR, MAY_CREATE); + status = fh_verify(rqstp, &cstate->current_fh, S_IFDIR, MAY_CREATE); if (status == nfserr_symlink) status = nfserr_notdir; if (status) @@ -365,9 +372,10 @@ nfsd4_create(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_cre */ create->cr_linkname[create->cr_linklen] = 0; - status = nfsd_symlink(rqstp, current_fh, create->cr_name, - create->cr_namelen, create->cr_linkname, - create->cr_linklen, &resfh, &create->cr_iattr); + status = nfsd_symlink(rqstp, &cstate->current_fh, + create->cr_name, create->cr_namelen, + create->cr_linkname, create->cr_linklen, + &resfh, &create->cr_iattr); break; case NF4BLK: @@ -375,9 +383,9 @@ nfsd4_create(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_cre if (MAJOR(rdev) != create->cr_specdata1 || MINOR(rdev) != create->cr_specdata2) return nfserr_inval; - status = nfsd_create(rqstp, current_fh, create->cr_name, - create->cr_namelen, &create->cr_iattr, - S_IFBLK, rdev, &resfh); + status = nfsd_create(rqstp, &cstate->current_fh, + create->cr_name, create->cr_namelen, + &create->cr_iattr, S_IFBLK, rdev, &resfh); break; case NF4CHR: @@ -385,28 +393,28 @@ nfsd4_create(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_cre if (MAJOR(rdev) != create->cr_specdata1 || MINOR(rdev) != create->cr_specdata2) return nfserr_inval; - status = nfsd_create(rqstp, current_fh, create->cr_name, - create->cr_namelen, &create->cr_iattr, - S_IFCHR, rdev, &resfh); + status = nfsd_create(rqstp, &cstate->current_fh, + create->cr_name, create->cr_namelen, + &create->cr_iattr,S_IFCHR, rdev, &resfh); break; case NF4SOCK: - status = nfsd_create(rqstp, current_fh, create->cr_name, - create->cr_namelen, &create->cr_iattr, - S_IFSOCK, 0, &resfh); + status = nfsd_create(rqstp, &cstate->current_fh, + create->cr_name, create->cr_namelen, + &create->cr_iattr, S_IFSOCK, 0, &resfh); break; case NF4FIFO: - status = nfsd_create(rqstp, current_fh, create->cr_name, - create->cr_namelen, &create->cr_iattr, - S_IFIFO, 0, &resfh); + status = nfsd_create(rqstp, &cstate->current_fh, + create->cr_name, create->cr_namelen, + &create->cr_iattr, S_IFIFO, 0, &resfh); break; case NF4DIR: create->cr_iattr.ia_valid &= ~ATTR_SIZE; - status = nfsd_create(rqstp, current_fh, create->cr_name, - create->cr_namelen, &create->cr_iattr, - S_IFDIR, 0, &resfh); + status = nfsd_create(rqstp, &cstate->current_fh, + create->cr_name, create->cr_namelen, + &create->cr_iattr, S_IFDIR, 0, &resfh); break; default: @@ -414,21 +422,22 @@ nfsd4_create(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_cre } if (!status) { - fh_unlock(current_fh); - set_change_info(&create->cr_cinfo, current_fh); - fh_dup2(current_fh, &resfh); + fh_unlock(&cstate->current_fh); + set_change_info(&create->cr_cinfo, &cstate->current_fh); + fh_dup2(&cstate->current_fh, &resfh); } fh_put(&resfh); return status; } -static inline __be32 -nfsd4_getattr(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_getattr *getattr) +static __be32 +nfsd4_getattr(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, + struct nfsd4_getattr *getattr) { __be32 status; - status = fh_verify(rqstp, current_fh, 0, MAY_NOP); + status = fh_verify(rqstp, &cstate->current_fh, 0, MAY_NOP); if (status) return status; @@ -438,26 +447,28 @@ nfsd4_getattr(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_ge getattr->ga_bmval[0] &= NFSD_SUPPORTED_ATTRS_WORD0; getattr->ga_bmval[1] &= NFSD_SUPPORTED_ATTRS_WORD1; - getattr->ga_fhp = current_fh; + getattr->ga_fhp = &cstate->current_fh; return nfs_ok; } -static inline __be32 -nfsd4_link(struct svc_rqst *rqstp, struct svc_fh *current_fh, - struct svc_fh *save_fh, struct nfsd4_link *link) +static __be32 +nfsd4_link(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, + struct nfsd4_link *link) { __be32 status = nfserr_nofilehandle; - if (!save_fh->fh_dentry) + if (!cstate->save_fh.fh_dentry) return status; - status = nfsd_link(rqstp, current_fh, link->li_name, link->li_namelen, save_fh); + status = nfsd_link(rqstp, &cstate->current_fh, + link->li_name, link->li_namelen, &cstate->save_fh); if (!status) - set_change_info(&link->li_cinfo, current_fh); + set_change_info(&link->li_cinfo, &cstate->current_fh); return status; } static __be32 -nfsd4_lookupp(struct svc_rqst *rqstp, struct svc_fh *current_fh) +nfsd4_lookupp(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, + void *arg) { struct svc_fh tmp_fh; __be32 ret; @@ -466,22 +477,27 @@ nfsd4_lookupp(struct svc_rqst *rqstp, struct svc_fh *current_fh) if((ret = exp_pseudoroot(rqstp->rq_client, &tmp_fh, &rqstp->rq_chandle)) != 0) return ret; - if (tmp_fh.fh_dentry == current_fh->fh_dentry) { + if (tmp_fh.fh_dentry == cstate->current_fh.fh_dentry) { fh_put(&tmp_fh); return nfserr_noent; } fh_put(&tmp_fh); - return nfsd_lookup(rqstp, current_fh, "..", 2, current_fh); + return nfsd_lookup(rqstp, &cstate->current_fh, + "..", 2, &cstate->current_fh); } -static inline __be32 -nfsd4_lookup(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_lookup *lookup) +static __be32 +nfsd4_lookup(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, + struct nfsd4_lookup *lookup) { - return nfsd_lookup(rqstp, current_fh, lookup->lo_name, lookup->lo_len, current_fh); + return nfsd_lookup(rqstp, &cstate->current_fh, + lookup->lo_name, lookup->lo_len, + &cstate->current_fh); } -static inline __be32 -nfsd4_read(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_read *read) +static __be32 +nfsd4_read(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, + struct nfsd4_read *read) { __be32 status; @@ -493,7 +509,8 @@ nfsd4_read(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_read nfs4_lock_state(); /* check stateid */ - if ((status = nfs4_preprocess_stateid_op(current_fh, &read->rd_stateid, + if ((status = nfs4_preprocess_stateid_op(&cstate->current_fh, + &read->rd_stateid, CHECK_FH | RD_STATE, &read->rd_filp))) { dprintk("NFSD: nfsd4_read: couldn't process stateid!\n"); goto out; @@ -504,12 +521,13 @@ nfsd4_read(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_read out: nfs4_unlock_state(); read->rd_rqstp = rqstp; - read->rd_fhp = current_fh; + read->rd_fhp = &cstate->current_fh; return status; } -static inline __be32 -nfsd4_readdir(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_readdir *readdir) +static __be32 +nfsd4_readdir(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, + struct nfsd4_readdir *readdir) { u64 cookie = readdir->rd_cookie; static const nfs4_verifier zeroverf; @@ -527,48 +545,51 @@ nfsd4_readdir(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_re return nfserr_bad_cookie; readdir->rd_rqstp = rqstp; - readdir->rd_fhp = current_fh; + readdir->rd_fhp = &cstate->current_fh; return nfs_ok; } -static inline __be32 -nfsd4_readlink(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_readlink *readlink) +static __be32 +nfsd4_readlink(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, + struct nfsd4_readlink *readlink) { readlink->rl_rqstp = rqstp; - readlink->rl_fhp = current_fh; + readlink->rl_fhp = &cstate->current_fh; return nfs_ok; } -static inline __be32 -nfsd4_remove(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_remove *remove) +static __be32 +nfsd4_remove(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, + struct nfsd4_remove *remove) { __be32 status; if (nfs4_in_grace()) return nfserr_grace; - status = nfsd_unlink(rqstp, current_fh, 0, remove->rm_name, remove->rm_namelen); + status = nfsd_unlink(rqstp, &cstate->current_fh, 0, + remove->rm_name, remove->rm_namelen); if (status == nfserr_symlink) return nfserr_notdir; if (!status) { - fh_unlock(current_fh); - set_change_info(&remove->rm_cinfo, current_fh); + fh_unlock(&cstate->current_fh); + set_change_info(&remove->rm_cinfo, &cstate->current_fh); } return status; } -static inline __be32 -nfsd4_rename(struct svc_rqst *rqstp, struct svc_fh *current_fh, - struct svc_fh *save_fh, struct nfsd4_rename *rename) +static __be32 +nfsd4_rename(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, + struct nfsd4_rename *rename) { __be32 status = nfserr_nofilehandle; - if (!save_fh->fh_dentry) + if (!cstate->save_fh.fh_dentry) return status; - if (nfs4_in_grace() && !(save_fh->fh_export->ex_flags + if (nfs4_in_grace() && !(cstate->save_fh.fh_export->ex_flags & NFSEXP_NOSUBTREECHECK)) return nfserr_grace; - status = nfsd_rename(rqstp, save_fh, rename->rn_sname, - rename->rn_snamelen, current_fh, + status = nfsd_rename(rqstp, &cstate->save_fh, rename->rn_sname, + rename->rn_snamelen, &cstate->current_fh, rename->rn_tname, rename->rn_tnamelen); /* the underlying filesystem returns different error's than required @@ -576,27 +597,28 @@ nfsd4_rename(struct svc_rqst *rqstp, struct svc_fh *current_fh, if (status == nfserr_isdir) status = nfserr_exist; else if ((status == nfserr_notdir) && - (S_ISDIR(save_fh->fh_dentry->d_inode->i_mode) && - S_ISDIR(current_fh->fh_dentry->d_inode->i_mode))) + (S_ISDIR(cstate->save_fh.fh_dentry->d_inode->i_mode) && + S_ISDIR(cstate->current_fh.fh_dentry->d_inode->i_mode))) status = nfserr_exist; else if (status == nfserr_symlink) status = nfserr_notdir; if (!status) { - set_change_info(&rename->rn_sinfo, current_fh); - set_change_info(&rename->rn_tinfo, save_fh); + set_change_info(&rename->rn_sinfo, &cstate->current_fh); + set_change_info(&rename->rn_tinfo, &cstate->save_fh); } return status; } -static inline __be32 -nfsd4_setattr(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_setattr *setattr) +static __be32 +nfsd4_setattr(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, + struct nfsd4_setattr *setattr) { __be32 status = nfs_ok; if (setattr->sa_iattr.ia_valid & ATTR_SIZE) { nfs4_lock_state(); - status = nfs4_preprocess_stateid_op(current_fh, + status = nfs4_preprocess_stateid_op(&cstate->current_fh, &setattr->sa_stateid, CHECK_FH | WR_STATE, NULL); nfs4_unlock_state(); if (status) { @@ -606,16 +628,18 @@ nfsd4_setattr(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_se } status = nfs_ok; if (setattr->sa_acl != NULL) - status = nfsd4_set_nfs4_acl(rqstp, current_fh, setattr->sa_acl); + status = nfsd4_set_nfs4_acl(rqstp, &cstate->current_fh, + setattr->sa_acl); if (status) return status; - status = nfsd_setattr(rqstp, current_fh, &setattr->sa_iattr, + status = nfsd_setattr(rqstp, &cstate->current_fh, &setattr->sa_iattr, 0, (time_t)0); return status; } -static inline __be32 -nfsd4_write(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_write *write) +static __be32 +nfsd4_write(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, + struct nfsd4_write *write) { stateid_t *stateid = &write->wr_stateid; struct file *filp = NULL; @@ -628,7 +652,7 @@ nfsd4_write(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_writ return nfserr_inval; nfs4_lock_state(); - status = nfs4_preprocess_stateid_op(current_fh, stateid, + status = nfs4_preprocess_stateid_op(&cstate->current_fh, stateid, CHECK_FH | WR_STATE, &filp); if (filp) get_file(filp); @@ -645,9 +669,9 @@ nfsd4_write(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_writ *p++ = nfssvc_boot.tv_sec; *p++ = nfssvc_boot.tv_usec; - status = nfsd_write(rqstp, current_fh, filp, write->wr_offset, - rqstp->rq_vec, write->wr_vlen, write->wr_buflen, - &write->wr_how_written); + status = nfsd_write(rqstp, &cstate->current_fh, filp, + write->wr_offset, rqstp->rq_vec, write->wr_vlen, + write->wr_buflen, &write->wr_how_written); if (filp) fput(filp); @@ -662,13 +686,14 @@ nfsd4_write(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_writ * to NFS_OK after the call; NVERIFY by mapping NFSERR_NOT_SAME to NFS_OK. */ static __be32 -nfsd4_verify(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_verify *verify) +_nfsd4_verify(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, + struct nfsd4_verify *verify) { __be32 *buf, *p; int count; __be32 status; - status = fh_verify(rqstp, current_fh, 0, MAY_NOP); + status = fh_verify(rqstp, &cstate->current_fh, 0, MAY_NOP); if (status) return status; @@ -689,8 +714,9 @@ nfsd4_verify(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_ver if (!buf) return nfserr_resource; - status = nfsd4_encode_fattr(current_fh, current_fh->fh_export, - current_fh->fh_dentry, buf, + status = nfsd4_encode_fattr(&cstate->current_fh, + cstate->current_fh.fh_export, + cstate->current_fh.fh_dentry, buf, &count, verify->ve_bmval, rqstp); @@ -712,6 +738,26 @@ out_kfree: return status; } +static __be32 +nfsd4_nverify(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, + struct nfsd4_verify *verify) +{ + __be32 status; + + status = _nfsd4_verify(rqstp, cstate, verify); + return status == nfserr_not_same ? nfs_ok : status; +} + +static __be32 +nfsd4_verify(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, + struct nfsd4_verify *verify) +{ + __be32 status; + + status = _nfsd4_verify(rqstp, cstate, verify); + return status == nfserr_same ? nfs_ok : status; +} + /* * NULL call. */ @@ -727,6 +773,42 @@ static inline void nfsd4_increment_op_stats(u32 opnum) nfsdstats.nfs4_opcount[opnum]++; } +static void cstate_free(struct nfsd4_compound_state *cstate) +{ + if (cstate == NULL) + return; + fh_put(&cstate->current_fh); + fh_put(&cstate->save_fh); + BUG_ON(cstate->replay_owner); + kfree(cstate); +} + +static struct nfsd4_compound_state *cstate_alloc(void) +{ + struct nfsd4_compound_state *cstate; + + cstate = kmalloc(sizeof(struct nfsd4_compound_state), GFP_KERNEL); + if (cstate == NULL) + return NULL; + fh_init(&cstate->current_fh, NFS4_FHSIZE); + fh_init(&cstate->save_fh, NFS4_FHSIZE); + cstate->replay_owner = NULL; + return cstate; +} + +typedef __be32(*nfsd4op_func)(struct svc_rqst *, struct nfsd4_compound_state *, + void *); + +struct nfsd4_operation { + nfsd4op_func op_func; + u32 op_flags; +/* Most ops require a valid current filehandle; a few don't: */ +#define ALLOWED_WITHOUT_FH 1 +/* GETATTR and ops not listed as returning NFS4ERR_MOVED: */ +#define ALLOWED_ON_ABSENT_FS 2 +}; + +static struct nfsd4_operation nfsd4_ops[]; /* * COMPOUND call. @@ -737,21 +819,15 @@ nfsd4_proc_compound(struct svc_rqst *rqstp, struct nfsd4_compoundres *resp) { struct nfsd4_op *op; - struct svc_fh *current_fh = NULL; - struct svc_fh *save_fh = NULL; - struct nfs4_stateowner *replay_owner = NULL; - int slack_space; /* in words, not bytes! */ + struct nfsd4_operation *opdesc; + struct nfsd4_compound_state *cstate = NULL; + int slack_bytes; __be32 status; status = nfserr_resource; - current_fh = kmalloc(sizeof(*current_fh), GFP_KERNEL); - if (current_fh == NULL) - goto out; - fh_init(current_fh, NFS4_FHSIZE); - save_fh = kmalloc(sizeof(*save_fh), GFP_KERNEL); - if (save_fh == NULL) + cstate = cstate_alloc(); + if (cstate == NULL) goto out; - fh_init(save_fh, NFS4_FHSIZE); resp->xbuf = &rqstp->rq_res; resp->p = rqstp->rq_res.head[0].iov_base + rqstp->rq_res.head[0].iov_len; @@ -790,164 +866,44 @@ nfsd4_proc_compound(struct svc_rqst *rqstp, * failed response to the next operation. If we don't * have enough room, fail with ERR_RESOURCE. */ -/* FIXME - is slack_space *really* words, or bytes??? - neilb */ - slack_space = (char *)resp->end - (char *)resp->p; - if (slack_space < COMPOUND_SLACK_SPACE + COMPOUND_ERR_SLACK_SPACE) { - BUG_ON(slack_space < COMPOUND_ERR_SLACK_SPACE); + slack_bytes = (char *)resp->end - (char *)resp->p; + if (slack_bytes < COMPOUND_SLACK_SPACE + + COMPOUND_ERR_SLACK_SPACE) { + BUG_ON(slack_bytes < COMPOUND_ERR_SLACK_SPACE); op->status = nfserr_resource; goto encode_op; } - /* All operations except RENEW, SETCLIENTID, RESTOREFH - * SETCLIENTID_CONFIRM, PUTFH and PUTROOTFH - * require a valid current filehandle - */ - if (!current_fh->fh_dentry) { - if (!((op->opnum == OP_PUTFH) || - (op->opnum == OP_PUTROOTFH) || - (op->opnum == OP_SETCLIENTID) || - (op->opnum == OP_SETCLIENTID_CONFIRM) || - (op->opnum == OP_RENEW) || - (op->opnum == OP_RESTOREFH) || - (op->opnum == OP_RELEASE_LOCKOWNER))) { + opdesc = &nfsd4_ops[op->opnum]; + + if (!cstate->current_fh.fh_dentry) { + if (!(opdesc->op_flags & ALLOWED_WITHOUT_FH)) { op->status = nfserr_nofilehandle; goto encode_op; } - } - /* Check must be done at start of each operation, except - * for GETATTR and ops not listed as returning NFS4ERR_MOVED - */ - else if (current_fh->fh_export->ex_fslocs.migrated && - !((op->opnum == OP_GETATTR) || - (op->opnum == OP_PUTROOTFH) || - (op->opnum == OP_PUTPUBFH) || - (op->opnum == OP_RENEW) || - (op->opnum == OP_SETCLIENTID) || - (op->opnum == OP_RELEASE_LOCKOWNER))) { + } else if (cstate->current_fh.fh_export->ex_fslocs.migrated && + !(opdesc->op_flags & ALLOWED_ON_ABSENT_FS)) { op->status = nfserr_moved; goto encode_op; } - switch (op->opnum) { - case OP_ACCESS: - op->status = nfsd4_access(rqstp, current_fh, &op->u.access); - break; - case OP_CLOSE: - op->status = nfsd4_close(rqstp, current_fh, &op->u.close, &replay_owner); - break; - case OP_COMMIT: - op->status = nfsd4_commit(rqstp, current_fh, &op->u.commit); - break; - case OP_CREATE: - op->status = nfsd4_create(rqstp, current_fh, &op->u.create); - break; - case OP_DELEGRETURN: - op->status = nfsd4_delegreturn(rqstp, current_fh, &op->u.delegreturn); - break; - case OP_GETATTR: - op->status = nfsd4_getattr(rqstp, current_fh, &op->u.getattr); - break; - case OP_GETFH: - op->status = nfsd4_getfh(current_fh, &op->u.getfh); - break; - case OP_LINK: - op->status = nfsd4_link(rqstp, current_fh, save_fh, &op->u.link); - break; - case OP_LOCK: - op->status = nfsd4_lock(rqstp, current_fh, &op->u.lock, &replay_owner); - break; - case OP_LOCKT: - op->status = nfsd4_lockt(rqstp, current_fh, &op->u.lockt); - break; - case OP_LOCKU: - op->status = nfsd4_locku(rqstp, current_fh, &op->u.locku, &replay_owner); - break; - case OP_LOOKUP: - op->status = nfsd4_lookup(rqstp, current_fh, &op->u.lookup); - break; - case OP_LOOKUPP: - op->status = nfsd4_lookupp(rqstp, current_fh); - break; - case OP_NVERIFY: - op->status = nfsd4_verify(rqstp, current_fh, &op->u.nverify); - if (op->status == nfserr_not_same) - op->status = nfs_ok; - break; - case OP_OPEN: - op->status = nfsd4_open(rqstp, current_fh, &op->u.open, &replay_owner); - break; - case OP_OPEN_CONFIRM: - op->status = nfsd4_open_confirm(rqstp, current_fh, &op->u.open_confirm, &replay_owner); - break; - case OP_OPEN_DOWNGRADE: - op->status = nfsd4_open_downgrade(rqstp, current_fh, &op->u.open_downgrade, &replay_owner); - break; - case OP_PUTFH: - op->status = nfsd4_putfh(rqstp, current_fh, &op->u.putfh); - break; - case OP_PUTROOTFH: - op->status = nfsd4_putrootfh(rqstp, current_fh); - break; - case OP_READ: - op->status = nfsd4_read(rqstp, current_fh, &op->u.read); - break; - case OP_READDIR: - op->status = nfsd4_readdir(rqstp, current_fh, &op->u.readdir); - break; - case OP_READLINK: - op->status = nfsd4_readlink(rqstp, current_fh, &op->u.readlink); - break; - case OP_REMOVE: - op->status = nfsd4_remove(rqstp, current_fh, &op->u.remove); - break; - case OP_RENAME: - op->status = nfsd4_rename(rqstp, current_fh, save_fh, &op->u.rename); - break; - case OP_RENEW: - op->status = nfsd4_renew(&op->u.renew); - break; - case OP_RESTOREFH: - op->status = nfsd4_restorefh(current_fh, save_fh); - break; - case OP_SAVEFH: - op->status = nfsd4_savefh(current_fh, save_fh); - break; - case OP_SETATTR: - op->status = nfsd4_setattr(rqstp, current_fh, &op->u.setattr); - break; - case OP_SETCLIENTID: - op->status = nfsd4_setclientid(rqstp, &op->u.setclientid); - break; - case OP_SETCLIENTID_CONFIRM: - op->status = nfsd4_setclientid_confirm(rqstp, &op->u.setclientid_confirm); - break; - case OP_VERIFY: - op->status = nfsd4_verify(rqstp, current_fh, &op->u.verify); - if (op->status == nfserr_same) - op->status = nfs_ok; - break; - case OP_WRITE: - op->status = nfsd4_write(rqstp, current_fh, &op->u.write); - break; - case OP_RELEASE_LOCKOWNER: - op->status = nfsd4_release_lockowner(rqstp, &op->u.release_lockowner); - break; - default: + + if (opdesc->op_func) + op->status = opdesc->op_func(rqstp, cstate, &op->u); + else BUG_ON(op->status == nfs_ok); - break; - } encode_op: if (op->status == nfserr_replay_me) { - op->replay = &replay_owner->so_replay; + op->replay = &cstate->replay_owner->so_replay; nfsd4_encode_replay(resp, op); status = op->status = op->replay->rp_status; } else { nfsd4_encode_operation(resp, op); status = op->status; } - if (replay_owner && (replay_owner != (void *)(-1))) { - nfs4_put_stateowner(replay_owner); - replay_owner = NULL; + if (cstate->replay_owner) { + nfs4_put_stateowner(cstate->replay_owner); + cstate->replay_owner = NULL; } /* XXX Ugh, we need to get rid of this kind of special case: */ if (op->opnum == OP_READ && op->u.read.rd_filp) @@ -958,15 +914,124 @@ encode_op: out: nfsd4_release_compoundargs(args); - if (current_fh) - fh_put(current_fh); - kfree(current_fh); - if (save_fh) - fh_put(save_fh); - kfree(save_fh); + cstate_free(cstate); return status; } +static struct nfsd4_operation nfsd4_ops[OP_RELEASE_LOCKOWNER+1] = { + [OP_ACCESS] = { + .op_func = (nfsd4op_func)nfsd4_access, + }, + [OP_CLOSE] = { + .op_func = (nfsd4op_func)nfsd4_close, + }, + [OP_COMMIT] = { + .op_func = (nfsd4op_func)nfsd4_commit, + }, + [OP_CREATE] = { + .op_func = (nfsd4op_func)nfsd4_create, + }, + [OP_DELEGRETURN] = { + .op_func = (nfsd4op_func)nfsd4_delegreturn, + }, + [OP_GETATTR] = { + .op_func = (nfsd4op_func)nfsd4_getattr, + .op_flags = ALLOWED_ON_ABSENT_FS, + }, + [OP_GETFH] = { + .op_func = (nfsd4op_func)nfsd4_getfh, + }, + [OP_LINK] = { + .op_func = (nfsd4op_func)nfsd4_link, + }, + [OP_LOCK] = { + .op_func = (nfsd4op_func)nfsd4_lock, + }, + [OP_LOCKT] = { + .op_func = (nfsd4op_func)nfsd4_lockt, + }, + [OP_LOCKU] = { + .op_func = (nfsd4op_func)nfsd4_locku, + }, + [OP_LOOKUP] = { + .op_func = (nfsd4op_func)nfsd4_lookup, + }, + [OP_LOOKUPP] = { + .op_func = (nfsd4op_func)nfsd4_lookupp, + }, + [OP_NVERIFY] = { + .op_func = (nfsd4op_func)nfsd4_nverify, + }, + [OP_OPEN] = { + .op_func = (nfsd4op_func)nfsd4_open, + }, + [OP_OPEN_CONFIRM] = { + .op_func = (nfsd4op_func)nfsd4_open_confirm, + }, + [OP_OPEN_DOWNGRADE] = { + .op_func = (nfsd4op_func)nfsd4_open_downgrade, + }, + [OP_PUTFH] = { + .op_func = (nfsd4op_func)nfsd4_putfh, + .op_flags = ALLOWED_WITHOUT_FH | ALLOWED_ON_ABSENT_FS, + }, + [OP_PUTPUBFH] = { + /* unsupported; just for future reference: */ + .op_flags = ALLOWED_WITHOUT_FH | ALLOWED_ON_ABSENT_FS, + }, + [OP_PUTROOTFH] = { + .op_func = (nfsd4op_func)nfsd4_putrootfh, + .op_flags = ALLOWED_WITHOUT_FH | ALLOWED_ON_ABSENT_FS, + }, + [OP_READ] = { + .op_func = (nfsd4op_func)nfsd4_read, + }, + [OP_READDIR] = { + .op_func = (nfsd4op_func)nfsd4_readdir, + }, + [OP_READLINK] = { + .op_func = (nfsd4op_func)nfsd4_readlink, + }, + [OP_REMOVE] = { + .op_func = (nfsd4op_func)nfsd4_remove, + }, + [OP_RENAME] = { + .op_func = (nfsd4op_func)nfsd4_rename, + }, + [OP_RENEW] = { + .op_func = (nfsd4op_func)nfsd4_renew, + .op_flags = ALLOWED_WITHOUT_FH | ALLOWED_ON_ABSENT_FS, + }, + [OP_RESTOREFH] = { + .op_func = (nfsd4op_func)nfsd4_restorefh, + .op_flags = ALLOWED_WITHOUT_FH | ALLOWED_ON_ABSENT_FS, + }, + [OP_SAVEFH] = { + .op_func = (nfsd4op_func)nfsd4_savefh, + }, + [OP_SETATTR] = { + .op_func = (nfsd4op_func)nfsd4_setattr, + }, + [OP_SETCLIENTID] = { + .op_func = (nfsd4op_func)nfsd4_setclientid, + .op_flags = ALLOWED_WITHOUT_FH | ALLOWED_ON_ABSENT_FS, + }, + [OP_SETCLIENTID_CONFIRM] = { + .op_func = (nfsd4op_func)nfsd4_setclientid_confirm, + .op_flags = ALLOWED_WITHOUT_FH | ALLOWED_ON_ABSENT_FS, + }, + [OP_VERIFY] = { + .op_func = (nfsd4op_func)nfsd4_verify, + }, + [OP_WRITE] = { + .op_func = (nfsd4op_func)nfsd4_write, + }, + [OP_RELEASE_LOCKOWNER] = { + .op_func = (nfsd4op_func)nfsd4_release_lockowner, + .op_flags = ALLOWED_WITHOUT_FH | ALLOWED_ON_ABSENT_FS, + }, +}; + #define nfs4svc_decode_voidargs NULL #define nfs4svc_release_void NULL #define nfsd4_voidres nfsd4_voidargs diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index b7179bd45a1e9..9de89df961f42 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -711,7 +711,8 @@ out_err: * */ __be32 -nfsd4_setclientid(struct svc_rqst *rqstp, struct nfsd4_setclientid *setclid) +nfsd4_setclientid(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, + struct nfsd4_setclientid *setclid) { __be32 ip_addr = rqstp->rq_addr.sin_addr.s_addr; struct xdr_netobj clname = { @@ -876,7 +877,9 @@ out: * NOTE: callback information will be processed here in a future patch */ __be32 -nfsd4_setclientid_confirm(struct svc_rqst *rqstp, struct nfsd4_setclientid_confirm *setclientid_confirm) +nfsd4_setclientid_confirm(struct svc_rqst *rqstp, + struct nfsd4_compound_state *cstate, + struct nfsd4_setclientid_confirm *setclientid_confirm) { __be32 ip_addr = rqstp->rq_addr.sin_addr.s_addr; struct nfs4_client *conf, *unconf; @@ -1833,7 +1836,8 @@ static void laundromat_main(struct work_struct *); static DECLARE_DELAYED_WORK(laundromat_work, laundromat_main); __be32 -nfsd4_renew(clientid_t *clid) +nfsd4_renew(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, + clientid_t *clid) { struct nfs4_client *clp; __be32 status; @@ -2241,24 +2245,25 @@ check_replay: } __be32 -nfsd4_open_confirm(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_open_confirm *oc, struct nfs4_stateowner **replay_owner) +nfsd4_open_confirm(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, + struct nfsd4_open_confirm *oc) { __be32 status; struct nfs4_stateowner *sop; struct nfs4_stateid *stp; dprintk("NFSD: nfsd4_open_confirm on file %.*s\n", - (int)current_fh->fh_dentry->d_name.len, - current_fh->fh_dentry->d_name.name); + (int)cstate->current_fh.fh_dentry->d_name.len, + cstate->current_fh.fh_dentry->d_name.name); - status = fh_verify(rqstp, current_fh, S_IFREG, 0); + status = fh_verify(rqstp, &cstate->current_fh, S_IFREG, 0); if (status) return status; nfs4_lock_state(); - if ((status = nfs4_preprocess_seqid_op(current_fh, oc->oc_seqid, - &oc->oc_req_stateid, + if ((status = nfs4_preprocess_seqid_op(&cstate->current_fh, + oc->oc_seqid, &oc->oc_req_stateid, CHECK_FH | CONFIRM | OPEN_STATE, &oc->oc_stateowner, &stp, NULL))) goto out; @@ -2278,7 +2283,7 @@ nfsd4_open_confirm(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfs out: if (oc->oc_stateowner) { nfs4_get_stateowner(oc->oc_stateowner); - *replay_owner = oc->oc_stateowner; + cstate->replay_owner = oc->oc_stateowner; } nfs4_unlock_state(); return status; @@ -2310,22 +2315,25 @@ reset_union_bmap_deny(unsigned long deny, unsigned long *bmap) } __be32 -nfsd4_open_downgrade(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_open_downgrade *od, struct nfs4_stateowner **replay_owner) +nfsd4_open_downgrade(struct svc_rqst *rqstp, + struct nfsd4_compound_state *cstate, + struct nfsd4_open_downgrade *od) { __be32 status; struct nfs4_stateid *stp; unsigned int share_access; dprintk("NFSD: nfsd4_open_downgrade on file %.*s\n", - (int)current_fh->fh_dentry->d_name.len, - current_fh->fh_dentry->d_name.name); + (int)cstate->current_fh.fh_dentry->d_name.len, + cstate->current_fh.fh_dentry->d_name.name); if (!access_valid(od->od_share_access) || !deny_valid(od->od_share_deny)) return nfserr_inval; nfs4_lock_state(); - if ((status = nfs4_preprocess_seqid_op(current_fh, od->od_seqid, + if ((status = nfs4_preprocess_seqid_op(&cstate->current_fh, + od->od_seqid, &od->od_stateid, CHECK_FH | OPEN_STATE, &od->od_stateowner, &stp, NULL))) @@ -2355,7 +2363,7 @@ nfsd4_open_downgrade(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct n out: if (od->od_stateowner) { nfs4_get_stateowner(od->od_stateowner); - *replay_owner = od->od_stateowner; + cstate->replay_owner = od->od_stateowner; } nfs4_unlock_state(); return status; @@ -2365,18 +2373,20 @@ out: * nfs4_unlock_state() called after encode */ __be32 -nfsd4_close(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_close *close, struct nfs4_stateowner **replay_owner) +nfsd4_close(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, + struct nfsd4_close *close) { __be32 status; struct nfs4_stateid *stp; dprintk("NFSD: nfsd4_close on file %.*s\n", - (int)current_fh->fh_dentry->d_name.len, - current_fh->fh_dentry->d_name.name); + (int)cstate->current_fh.fh_dentry->d_name.len, + cstate->current_fh.fh_dentry->d_name.name); nfs4_lock_state(); /* check close_lru for replay */ - if ((status = nfs4_preprocess_seqid_op(current_fh, close->cl_seqid, + if ((status = nfs4_preprocess_seqid_op(&cstate->current_fh, + close->cl_seqid, &close->cl_stateid, CHECK_FH | OPEN_STATE | CLOSE_STATE, &close->cl_stateowner, &stp, NULL))) @@ -2397,22 +2407,24 @@ nfsd4_close(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_clos out: if (close->cl_stateowner) { nfs4_get_stateowner(close->cl_stateowner); - *replay_owner = close->cl_stateowner; + cstate->replay_owner = close->cl_stateowner; } nfs4_unlock_state(); return status; } __be32 -nfsd4_delegreturn(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_delegreturn *dr) +nfsd4_delegreturn(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, + struct nfsd4_delegreturn *dr) { __be32 status; - if ((status = fh_verify(rqstp, current_fh, S_IFREG, 0))) + if ((status = fh_verify(rqstp, &cstate->current_fh, S_IFREG, 0))) goto out; nfs4_lock_state(); - status = nfs4_preprocess_stateid_op(current_fh, &dr->dr_stateid, DELEG_RET, NULL); + status = nfs4_preprocess_stateid_op(&cstate->current_fh, + &dr->dr_stateid, DELEG_RET, NULL); nfs4_unlock_state(); out: return status; @@ -2635,7 +2647,8 @@ check_lock_length(u64 offset, u64 length) * LOCK operation */ __be32 -nfsd4_lock(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_lock *lock, struct nfs4_stateowner **replay_owner) +nfsd4_lock(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, + struct nfsd4_lock *lock) { struct nfs4_stateowner *open_sop = NULL; struct nfs4_stateowner *lock_sop = NULL; @@ -2654,7 +2667,8 @@ nfsd4_lock(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_lock if (check_lock_length(lock->lk_offset, lock->lk_length)) return nfserr_inval; - if ((status = fh_verify(rqstp, current_fh, S_IFREG, MAY_LOCK))) { + if ((status = fh_verify(rqstp, &cstate->current_fh, + S_IFREG, MAY_LOCK))) { dprintk("NFSD: nfsd4_lock: permission denied!\n"); return status; } @@ -2675,7 +2689,7 @@ nfsd4_lock(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_lock goto out; /* validate and update open stateid and open seqid */ - status = nfs4_preprocess_seqid_op(current_fh, + status = nfs4_preprocess_seqid_op(&cstate->current_fh, lock->lk_new_open_seqid, &lock->lk_new_open_stateid, CHECK_FH | OPEN_STATE, @@ -2702,7 +2716,7 @@ nfsd4_lock(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_lock goto out; } else { /* lock (lock owner + lock stateid) already exists */ - status = nfs4_preprocess_seqid_op(current_fh, + status = nfs4_preprocess_seqid_op(&cstate->current_fh, lock->lk_old_lock_seqid, &lock->lk_old_lock_stateid, CHECK_FH | LOCK_STATE, @@ -2759,7 +2773,6 @@ nfsd4_lock(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_lock conflock.fl_ops = NULL; conflock.fl_lmops = NULL; err = posix_lock_file_conf(filp, &file_lock, &conflock); - dprintk("NFSD: nfsd4_lock: posix_lock_file_conf status %d\n",status); switch (-err) { case 0: /* success! */ update_stateid(&lock_stp->st_stateid); @@ -2785,7 +2798,7 @@ out: release_stateowner(lock_sop); if (lock->lk_replay_owner) { nfs4_get_stateowner(lock->lk_replay_owner); - *replay_owner = lock->lk_replay_owner; + cstate->replay_owner = lock->lk_replay_owner; } nfs4_unlock_state(); return status; @@ -2795,7 +2808,8 @@ out: * LOCKT operation */ __be32 -nfsd4_lockt(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_lockt *lockt) +nfsd4_lockt(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, + struct nfsd4_lockt *lockt) { struct inode *inode; struct file file; @@ -2816,14 +2830,14 @@ nfsd4_lockt(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_lock if (STALE_CLIENTID(&lockt->lt_clientid)) goto out; - if ((status = fh_verify(rqstp, current_fh, S_IFREG, 0))) { + if ((status = fh_verify(rqstp, &cstate->current_fh, S_IFREG, 0))) { dprintk("NFSD: nfsd4_lockt: fh_verify() failed!\n"); if (status == nfserr_symlink) status = nfserr_inval; goto out; } - inode = current_fh->fh_dentry->d_inode; + inode = cstate->current_fh.fh_dentry->d_inode; locks_init_lock(&file_lock); switch (lockt->lt_type) { case NFS4_READ_LT: @@ -2862,7 +2876,7 @@ nfsd4_lockt(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_lock * only the dentry:inode set. */ memset(&file, 0, sizeof (struct file)); - file.f_path.dentry = current_fh->fh_dentry; + file.f_path.dentry = cstate->current_fh.fh_dentry; status = nfs_ok; if (posix_test_lock(&file, &file_lock, &conflock)) { @@ -2875,7 +2889,8 @@ out: } __be32 -nfsd4_locku(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_locku *locku, struct nfs4_stateowner **replay_owner) +nfsd4_locku(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, + struct nfsd4_locku *locku) { struct nfs4_stateid *stp; struct file *filp = NULL; @@ -2892,7 +2907,7 @@ nfsd4_locku(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_lock nfs4_lock_state(); - if ((status = nfs4_preprocess_seqid_op(current_fh, + if ((status = nfs4_preprocess_seqid_op(&cstate->current_fh, locku->lu_seqid, &locku->lu_stateid, CHECK_FH | LOCK_STATE, @@ -2933,7 +2948,7 @@ nfsd4_locku(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_lock out: if (locku->lu_stateowner) { nfs4_get_stateowner(locku->lu_stateowner); - *replay_owner = locku->lu_stateowner; + cstate->replay_owner = locku->lu_stateowner; } nfs4_unlock_state(); return status; @@ -2968,7 +2983,9 @@ out: } __be32 -nfsd4_release_lockowner(struct svc_rqst *rqstp, struct nfsd4_release_lockowner *rlockowner) +nfsd4_release_lockowner(struct svc_rqst *rqstp, + struct nfsd4_compound_state *cstate, + struct nfsd4_release_lockowner *rlockowner) { clientid_t *clid = &rlockowner->rl_clientid; struct nfs4_stateowner *sop; diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c index f3f239db04bb1..fea46368afb2f 100644 --- a/fs/nfsd/nfs4xdr.c +++ b/fs/nfsd/nfs4xdr.c @@ -1845,15 +1845,11 @@ nfsd4_encode_dirent_fattr(struct nfsd4_readdir *cd, exp_get(exp); if (d_mountpoint(dentry)) { - if (nfsd_cross_mnt(cd->rd_rqstp, &dentry, &exp)) { - /* - * -EAGAIN is the only error returned from - * nfsd_cross_mnt() and it indicates that an - * up-call has been initiated to fill in the export - * options on exp. When the answer comes back, - * this call will be retried. - */ - nfserr = nfserr_dropit; + int err; + + err = nfsd_cross_mnt(cd->rd_rqstp, &dentry, &exp); + if (err) { + nfserr = nfserrno(err); goto out_put; } diff --git a/fs/nfsd/nfsfh.c b/fs/nfsd/nfsfh.c index 727ab3bd450d5..b06bf9f70efc3 100644 --- a/fs/nfsd/nfsfh.c +++ b/fs/nfsd/nfsfh.c @@ -169,9 +169,11 @@ fh_verify(struct svc_rqst *rqstp, struct svc_fh *fhp, int type, int access) exp = exp_find(rqstp->rq_client, 0, tfh, &rqstp->rq_chandle); } - error = nfserr_dropit; - if (IS_ERR(exp) && PTR_ERR(exp) == -EAGAIN) + if (IS_ERR(exp) && (PTR_ERR(exp) == -EAGAIN + || PTR_ERR(exp) == -ETIMEDOUT)) { + error = nfserrno(PTR_ERR(exp)); goto out; + } error = nfserr_stale; if (!exp || IS_ERR(exp)) diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c index 4883d75862298..7a79c23aa6d4e 100644 --- a/fs/nfsd/vfs.c +++ b/fs/nfsd/vfs.c @@ -99,7 +99,7 @@ static struct raparm_hbucket raparm_hash[RAPARM_HASH_SIZE]; /* * Called from nfsd_lookup and encode_dirent. Check if we have crossed * a mount point. - * Returns -EAGAIN leaving *dpp and *expp unchanged, + * Returns -EAGAIN or -ETIMEDOUT leaving *dpp and *expp unchanged, * or nfs_ok having possibly changed *dpp and *expp */ int diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c index edc91ca3792ac..f27e5378caf24 100644 --- a/fs/ocfs2/alloc.c +++ b/fs/ocfs2/alloc.c @@ -1959,7 +1959,7 @@ int ocfs2_prepare_truncate(struct ocfs2_super *osb, goto bail; } - *tc = kcalloc(1, sizeof(struct ocfs2_truncate_context), GFP_KERNEL); + *tc = kzalloc(sizeof(struct ocfs2_truncate_context), GFP_KERNEL); if (!(*tc)) { status = -ENOMEM; mlog_errno(status); diff --git a/fs/ocfs2/cluster/heartbeat.c b/fs/ocfs2/cluster/heartbeat.c index 4cd9a9580456c..a25ef5a503867 100644 --- a/fs/ocfs2/cluster/heartbeat.c +++ b/fs/ocfs2/cluster/heartbeat.c @@ -1553,7 +1553,7 @@ static struct config_item *o2hb_heartbeat_group_make_item(struct config_group *g struct o2hb_region *reg = NULL; struct config_item *ret = NULL; - reg = kcalloc(1, sizeof(struct o2hb_region), GFP_KERNEL); + reg = kzalloc(sizeof(struct o2hb_region), GFP_KERNEL); if (reg == NULL) goto out; /* ENOMEM */ @@ -1679,7 +1679,7 @@ struct config_group *o2hb_alloc_hb_set(void) struct o2hb_heartbeat_group *hs = NULL; struct config_group *ret = NULL; - hs = kcalloc(1, sizeof(struct o2hb_heartbeat_group), GFP_KERNEL); + hs = kzalloc(sizeof(struct o2hb_heartbeat_group), GFP_KERNEL); if (hs == NULL) goto out; diff --git a/fs/ocfs2/cluster/nodemanager.c b/fs/ocfs2/cluster/nodemanager.c index 357f1d5517712..b17333a0606b5 100644 --- a/fs/ocfs2/cluster/nodemanager.c +++ b/fs/ocfs2/cluster/nodemanager.c @@ -714,7 +714,7 @@ static struct config_item *o2nm_node_group_make_item(struct config_group *group, if (strlen(name) > O2NM_MAX_NAME_LEN) goto out; /* ENAMETOOLONG */ - node = kcalloc(1, sizeof(struct o2nm_node), GFP_KERNEL); + node = kzalloc(sizeof(struct o2nm_node), GFP_KERNEL); if (node == NULL) goto out; /* ENOMEM */ @@ -825,8 +825,8 @@ static struct config_group *o2nm_cluster_group_make_group(struct config_group *g if (o2nm_single_cluster) goto out; /* ENOSPC */ - cluster = kcalloc(1, sizeof(struct o2nm_cluster), GFP_KERNEL); - ns = kcalloc(1, sizeof(struct o2nm_node_group), GFP_KERNEL); + cluster = kzalloc(sizeof(struct o2nm_cluster), GFP_KERNEL); + ns = kzalloc(sizeof(struct o2nm_node_group), GFP_KERNEL); defs = kcalloc(3, sizeof(struct config_group *), GFP_KERNEL); o2hb_group = o2hb_alloc_hb_set(); if (cluster == NULL || ns == NULL || o2hb_group == NULL || defs == NULL) diff --git a/fs/ocfs2/cluster/tcp.c b/fs/ocfs2/cluster/tcp.c index 457753df1ae76..ae4ff4a6636b2 100644 --- a/fs/ocfs2/cluster/tcp.c +++ b/fs/ocfs2/cluster/tcp.c @@ -324,7 +324,7 @@ static struct o2net_sock_container *sc_alloc(struct o2nm_node *node) struct page *page = NULL; page = alloc_page(GFP_NOFS); - sc = kcalloc(1, sizeof(*sc), GFP_NOFS); + sc = kzalloc(sizeof(*sc), GFP_NOFS); if (sc == NULL || page == NULL) goto out; @@ -714,7 +714,7 @@ int o2net_register_handler(u32 msg_type, u32 key, u32 max_len, goto out; } - nmh = kcalloc(1, sizeof(struct o2net_msg_handler), GFP_NOFS); + nmh = kzalloc(sizeof(struct o2net_msg_handler), GFP_NOFS); if (nmh == NULL) { ret = -ENOMEM; goto out; @@ -1918,9 +1918,9 @@ int o2net_init(void) o2quo_init(); - o2net_hand = kcalloc(1, sizeof(struct o2net_handshake), GFP_KERNEL); - o2net_keep_req = kcalloc(1, sizeof(struct o2net_msg), GFP_KERNEL); - o2net_keep_resp = kcalloc(1, sizeof(struct o2net_msg), GFP_KERNEL); + o2net_hand = kzalloc(sizeof(struct o2net_handshake), GFP_KERNEL); + o2net_keep_req = kzalloc(sizeof(struct o2net_msg), GFP_KERNEL); + o2net_keep_resp = kzalloc(sizeof(struct o2net_msg), GFP_KERNEL); if (!o2net_hand || !o2net_keep_req || !o2net_keep_resp) { kfree(o2net_hand); kfree(o2net_keep_req); diff --git a/fs/ocfs2/dlm/dlmdomain.c b/fs/ocfs2/dlm/dlmdomain.c index 420a375a39498..f0b25f2dd2053 100644 --- a/fs/ocfs2/dlm/dlmdomain.c +++ b/fs/ocfs2/dlm/dlmdomain.c @@ -920,7 +920,7 @@ static int dlm_try_to_join_domain(struct dlm_ctxt *dlm) mlog_entry("%p", dlm); - ctxt = kcalloc(1, sizeof(*ctxt), GFP_KERNEL); + ctxt = kzalloc(sizeof(*ctxt), GFP_KERNEL); if (!ctxt) { status = -ENOMEM; mlog_errno(status); @@ -1223,7 +1223,7 @@ static struct dlm_ctxt *dlm_alloc_ctxt(const char *domain, int i; struct dlm_ctxt *dlm = NULL; - dlm = kcalloc(1, sizeof(*dlm), GFP_KERNEL); + dlm = kzalloc(sizeof(*dlm), GFP_KERNEL); if (!dlm) { mlog_errno(-ENOMEM); goto leave; diff --git a/fs/ocfs2/dlm/dlmlock.c b/fs/ocfs2/dlm/dlmlock.c index 42a1b91979b5b..e5ca3db197f63 100644 --- a/fs/ocfs2/dlm/dlmlock.c +++ b/fs/ocfs2/dlm/dlmlock.c @@ -408,13 +408,13 @@ struct dlm_lock * dlm_new_lock(int type, u8 node, u64 cookie, struct dlm_lock *lock; int kernel_allocated = 0; - lock = kcalloc(1, sizeof(*lock), GFP_NOFS); + lock = kzalloc(sizeof(*lock), GFP_NOFS); if (!lock) return NULL; if (!lksb) { /* zero memory only if kernel-allocated */ - lksb = kcalloc(1, sizeof(*lksb), GFP_NOFS); + lksb = kzalloc(sizeof(*lksb), GFP_NOFS); if (!lksb) { kfree(lock); return NULL; diff --git a/fs/ocfs2/dlm/dlmmaster.c b/fs/ocfs2/dlm/dlmmaster.c index 856012b4fa495..0ad872055cb36 100644 --- a/fs/ocfs2/dlm/dlmmaster.c +++ b/fs/ocfs2/dlm/dlmmaster.c @@ -1939,7 +1939,7 @@ int dlm_dispatch_assert_master(struct dlm_ctxt *dlm, int ignore_higher, u8 request_from, u32 flags) { struct dlm_work_item *item; - item = kcalloc(1, sizeof(*item), GFP_NOFS); + item = kzalloc(sizeof(*item), GFP_NOFS); if (!item) return -ENOMEM; diff --git a/fs/ocfs2/dlm/dlmrecovery.c b/fs/ocfs2/dlm/dlmrecovery.c index fb3e2b0817f17..367a11e9e2ed3 100644 --- a/fs/ocfs2/dlm/dlmrecovery.c +++ b/fs/ocfs2/dlm/dlmrecovery.c @@ -757,7 +757,7 @@ static int dlm_init_recovery_area(struct dlm_ctxt *dlm, u8 dead_node) } BUG_ON(num == dead_node); - ndata = kcalloc(1, sizeof(*ndata), GFP_NOFS); + ndata = kzalloc(sizeof(*ndata), GFP_NOFS); if (!ndata) { dlm_destroy_recovery_area(dlm, dead_node); return -ENOMEM; @@ -842,7 +842,7 @@ int dlm_request_all_locks_handler(struct o2net_msg *msg, u32 len, void *data) } BUG_ON(lr->dead_node != dlm->reco.dead_node); - item = kcalloc(1, sizeof(*item), GFP_NOFS); + item = kzalloc(sizeof(*item), GFP_NOFS); if (!item) { dlm_put(dlm); return -ENOMEM; @@ -1323,7 +1323,7 @@ int dlm_mig_lockres_handler(struct o2net_msg *msg, u32 len, void *data) ret = -ENOMEM; buf = kmalloc(be16_to_cpu(msg->data_len), GFP_NOFS); - item = kcalloc(1, sizeof(*item), GFP_NOFS); + item = kzalloc(sizeof(*item), GFP_NOFS); if (!buf || !item) goto leave; diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c index e9a82ad95c1e2..9fd590b9bde3d 100644 --- a/fs/ocfs2/file.c +++ b/fs/ocfs2/file.c @@ -153,6 +153,14 @@ int ocfs2_should_update_atime(struct inode *inode, ((vfsmnt->mnt_flags & MNT_NODIRATIME) && S_ISDIR(inode->i_mode))) return 0; + if (vfsmnt->mnt_flags & MNT_RELATIME) { + if ((timespec_compare(&inode->i_atime, &inode->i_mtime) <= 0) || + (timespec_compare(&inode->i_atime, &inode->i_ctime) <= 0)) + return 1; + + return 0; + } + now = CURRENT_TIME; if ((now.tv_sec - inode->i_atime.tv_sec <= osb->s_atime_quantum)) return 0; diff --git a/fs/ocfs2/localalloc.c b/fs/ocfs2/localalloc.c index 698d79a74ef8e..4dedd97891081 100644 --- a/fs/ocfs2/localalloc.c +++ b/fs/ocfs2/localalloc.c @@ -776,7 +776,7 @@ static int ocfs2_local_alloc_reserve_for_window(struct ocfs2_super *osb, { int status; - *ac = kcalloc(1, sizeof(struct ocfs2_alloc_context), GFP_KERNEL); + *ac = kzalloc(sizeof(struct ocfs2_alloc_context), GFP_KERNEL); if (!(*ac)) { status = -ENOMEM; mlog_errno(status); diff --git a/fs/ocfs2/slot_map.c b/fs/ocfs2/slot_map.c index aa6f5aadedc4f..2d3ac32cb74e9 100644 --- a/fs/ocfs2/slot_map.c +++ b/fs/ocfs2/slot_map.c @@ -175,7 +175,7 @@ int ocfs2_init_slot_info(struct ocfs2_super *osb) struct buffer_head *bh = NULL; struct ocfs2_slot_info *si; - si = kcalloc(1, sizeof(struct ocfs2_slot_info), GFP_KERNEL); + si = kzalloc(sizeof(struct ocfs2_slot_info), GFP_KERNEL); if (!si) { status = -ENOMEM; mlog_errno(status); diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c index 000d71cca6c50..6dbb117627597 100644 --- a/fs/ocfs2/suballoc.c +++ b/fs/ocfs2/suballoc.c @@ -488,7 +488,7 @@ int ocfs2_reserve_new_metadata(struct ocfs2_super *osb, int status; u32 slot; - *ac = kcalloc(1, sizeof(struct ocfs2_alloc_context), GFP_KERNEL); + *ac = kzalloc(sizeof(struct ocfs2_alloc_context), GFP_KERNEL); if (!(*ac)) { status = -ENOMEM; mlog_errno(status); @@ -530,7 +530,7 @@ int ocfs2_reserve_new_inode(struct ocfs2_super *osb, { int status; - *ac = kcalloc(1, sizeof(struct ocfs2_alloc_context), GFP_KERNEL); + *ac = kzalloc(sizeof(struct ocfs2_alloc_context), GFP_KERNEL); if (!(*ac)) { status = -ENOMEM; mlog_errno(status); @@ -595,7 +595,7 @@ int ocfs2_reserve_clusters(struct ocfs2_super *osb, mlog_entry_void(); - *ac = kcalloc(1, sizeof(struct ocfs2_alloc_context), GFP_KERNEL); + *ac = kzalloc(sizeof(struct ocfs2_alloc_context), GFP_KERNEL); if (!(*ac)) { status = -ENOMEM; mlog_errno(status); diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c index a6d2f8cc165b8..6e300a88a47e8 100644 --- a/fs/ocfs2/super.c +++ b/fs/ocfs2/super.c @@ -1231,7 +1231,7 @@ static int ocfs2_setup_osb_uuid(struct ocfs2_super *osb, const unsigned char *uu BUG_ON(uuid_bytes != OCFS2_VOL_UUID_LEN); - osb->uuid_str = kcalloc(1, OCFS2_VOL_UUID_LEN * 2 + 1, GFP_KERNEL); + osb->uuid_str = kzalloc(OCFS2_VOL_UUID_LEN * 2 + 1, GFP_KERNEL); if (osb->uuid_str == NULL) return -ENOMEM; @@ -1262,7 +1262,7 @@ static int ocfs2_initialize_super(struct super_block *sb, mlog_entry_void(); - osb = kcalloc(1, sizeof(struct ocfs2_super), GFP_KERNEL); + osb = kzalloc(sizeof(struct ocfs2_super), GFP_KERNEL); if (!osb) { status = -ENOMEM; mlog_errno(status); @@ -1387,7 +1387,7 @@ static int ocfs2_initialize_super(struct super_block *sb, */ /* initialize our journal structure */ - journal = kcalloc(1, sizeof(struct ocfs2_journal), GFP_KERNEL); + journal = kzalloc(sizeof(struct ocfs2_journal), GFP_KERNEL); if (!journal) { mlog(ML_ERROR, "unable to alloc journal\n"); status = -ENOMEM; diff --git a/fs/ocfs2/vote.c b/fs/ocfs2/vote.c index 0315a8b61ed67..0afd8b9af70fa 100644 --- a/fs/ocfs2/vote.c +++ b/fs/ocfs2/vote.c @@ -479,7 +479,7 @@ static struct ocfs2_net_wait_ctxt *ocfs2_new_net_wait_ctxt(unsigned int response { struct ocfs2_net_wait_ctxt *w; - w = kcalloc(1, sizeof(*w), GFP_NOFS); + w = kzalloc(sizeof(*w), GFP_NOFS); if (!w) { mlog_errno(-ENOMEM); goto bail; @@ -642,7 +642,7 @@ static struct ocfs2_vote_msg * ocfs2_new_vote_request(struct ocfs2_super *osb, BUG_ON(!ocfs2_is_valid_vote_request(type)); - request = kcalloc(1, sizeof(*request), GFP_NOFS); + request = kzalloc(sizeof(*request), GFP_NOFS); if (!request) { mlog_errno(-ENOMEM); } else { diff --git a/fs/pipe.c b/fs/pipe.c index f8b6bdcb879aa..9a06e8e48e8df 100644 --- a/fs/pipe.c +++ b/fs/pipe.c @@ -207,7 +207,7 @@ int generic_pipe_buf_pin(struct pipe_inode_info *info, struct pipe_buffer *buf) return 0; } -static struct pipe_buf_operations anon_pipe_buf_ops = { +static const struct pipe_buf_operations anon_pipe_buf_ops = { .can_merge = 1, .map = generic_pipe_buf_map, .unmap = generic_pipe_buf_unmap, @@ -243,7 +243,7 @@ pipe_read(struct kiocb *iocb, const struct iovec *_iov, if (bufs) { int curbuf = pipe->curbuf; struct pipe_buffer *buf = pipe->bufs + curbuf; - struct pipe_buf_operations *ops = buf->ops; + const struct pipe_buf_operations *ops = buf->ops; void *addr; size_t chars = buf->len; int error, atomic; @@ -365,7 +365,7 @@ pipe_write(struct kiocb *iocb, const struct iovec *_iov, int lastbuf = (pipe->curbuf + pipe->nrbufs - 1) & (PIPE_BUFFERS-1); struct pipe_buffer *buf = pipe->bufs + lastbuf; - struct pipe_buf_operations *ops = buf->ops; + const struct pipe_buf_operations *ops = buf->ops; int offset = buf->offset + buf->len; if (ops->can_merge && offset + chars <= PAGE_SIZE) { @@ -756,7 +756,7 @@ const struct file_operations rdwr_fifo_fops = { .fasync = pipe_rdwr_fasync, }; -static struct file_operations read_pipe_fops = { +static const struct file_operations read_pipe_fops = { .llseek = no_llseek, .read = do_sync_read, .aio_read = pipe_read, @@ -768,7 +768,7 @@ static struct file_operations read_pipe_fops = { .fasync = pipe_read_fasync, }; -static struct file_operations write_pipe_fops = { +static const struct file_operations write_pipe_fops = { .llseek = no_llseek, .read = bad_pipe_r, .write = do_sync_write, @@ -780,7 +780,7 @@ static struct file_operations write_pipe_fops = { .fasync = pipe_write_fasync, }; -static struct file_operations rdwr_pipe_fops = { +static const struct file_operations rdwr_pipe_fops = { .llseek = no_llseek, .read = do_sync_read, .aio_read = pipe_read, diff --git a/fs/read_write.c b/fs/read_write.c index 1d3dda4fa70cd..707ac21700d31 100644 --- a/fs/read_write.c +++ b/fs/read_write.c @@ -450,8 +450,6 @@ unsigned long iov_shorten(struct iovec *iov, unsigned long nr_segs, size_t to) return seg; } -EXPORT_UNUSED_SYMBOL(iov_shorten); /* June 2006 */ - ssize_t do_sync_readv_writev(struct file *filp, const struct iovec *iov, unsigned long nr_segs, size_t len, loff_t *ppos, iov_fn_t fn) { diff --git a/fs/reiserfs/xattr_acl.c b/fs/reiserfs/xattr_acl.c index 97ae1b92bc47d..5296a29cc5eb5 100644 --- a/fs/reiserfs/xattr_acl.c +++ b/fs/reiserfs/xattr_acl.c @@ -135,7 +135,7 @@ static void *posix_acl_to_disk(const struct posix_acl *acl, size_t * size) int n; *size = reiserfs_acl_size(acl->a_count); - ext_acl = (reiserfs_acl_header *) kmalloc(sizeof(reiserfs_acl_header) + + ext_acl = kmalloc(sizeof(reiserfs_acl_header) + acl->a_count * sizeof(reiserfs_acl_entry), GFP_NOFS); diff --git a/fs/smbfs/inode.c b/fs/smbfs/inode.c index 4af4cd729a5a8..84dfe3f3482e3 100644 --- a/fs/smbfs/inode.c +++ b/fs/smbfs/inode.c @@ -482,12 +482,13 @@ smb_put_super(struct super_block *sb) smb_close_socket(server); if (server->conn_pid) - kill_proc(server->conn_pid, SIGTERM, 1); + kill_pid(server->conn_pid, SIGTERM, 1); kfree(server->ops); smb_unload_nls(server); sb->s_fs_info = NULL; smb_unlock_server(server); + put_pid(server->conn_pid); kfree(server); } @@ -530,7 +531,7 @@ static int smb_fill_super(struct super_block *sb, void *raw_data, int silent) INIT_LIST_HEAD(&server->xmitq); INIT_LIST_HEAD(&server->recvq); server->conn_error = 0; - server->conn_pid = 0; + server->conn_pid = NULL; server->state = CONN_INVALID; /* no connection yet */ server->generation = 0; diff --git a/fs/smbfs/proc.c b/fs/smbfs/proc.c index a5ced9e0c6c48..feac460506190 100644 --- a/fs/smbfs/proc.c +++ b/fs/smbfs/proc.c @@ -877,7 +877,7 @@ smb_newconn(struct smb_sb_info *server, struct smb_conn_opt *opt) goto out_putf; server->sock_file = filp; - server->conn_pid = current->pid; + server->conn_pid = get_pid(task_pid(current)); server->opt = *opt; server->generation += 1; server->state = CONN_VALID; @@ -971,8 +971,8 @@ smb_newconn(struct smb_sb_info *server, struct smb_conn_opt *opt) } VERBOSE("protocol=%d, max_xmit=%d, pid=%d capabilities=0x%x\n", - server->opt.protocol, server->opt.max_xmit, server->conn_pid, - server->opt.capabilities); + server->opt.protocol, server->opt.max_xmit, + pid_nr(server->conn_pid), server->opt.capabilities); /* FIXME: this really should be done by smbmount. */ if (server->opt.max_xmit > SMB_MAX_PACKET_SIZE) { diff --git a/fs/smbfs/smbiod.c b/fs/smbfs/smbiod.c index e675404412880..89eaf31f1d46c 100644 --- a/fs/smbfs/smbiod.c +++ b/fs/smbfs/smbiod.c @@ -152,7 +152,7 @@ int smbiod_retry(struct smb_sb_info *server) { struct list_head *head; struct smb_request *req; - pid_t pid = server->conn_pid; + struct pid *pid = get_pid(server->conn_pid); int result = 0; VERBOSE("state: %d\n", server->state); @@ -222,7 +222,7 @@ int smbiod_retry(struct smb_sb_info *server) /* * Note: use the "priv" flag, as a user process may need to reconnect. */ - result = kill_proc(pid, SIGUSR1, 1); + result = kill_pid(pid, SIGUSR1, 1); if (result) { /* FIXME: this is most likely fatal, umount? */ printk(KERN_ERR "smb_retry: signal failed [%d]\n", result); @@ -233,6 +233,7 @@ int smbiod_retry(struct smb_sb_info *server) /* FIXME: The retried requests should perhaps get a "time boost". */ out: + put_pid(pid); return result; } diff --git a/fs/splice.c b/fs/splice.c index bbd0aeb3f68e1..2fca6ebf4cc2d 100644 --- a/fs/splice.c +++ b/fs/splice.c @@ -42,7 +42,7 @@ struct splice_pipe_desc { struct partial_page *partial; /* pages[] may not be contig */ int nr_pages; /* number of pages in map */ unsigned int flags; /* splice flags */ - struct pipe_buf_operations *ops;/* ops associated with output pipe */ + const struct pipe_buf_operations *ops;/* ops associated with output pipe */ }; /* @@ -139,7 +139,7 @@ error: return err; } -static struct pipe_buf_operations page_cache_pipe_buf_ops = { +static const struct pipe_buf_operations page_cache_pipe_buf_ops = { .can_merge = 0, .map = generic_pipe_buf_map, .unmap = generic_pipe_buf_unmap, @@ -159,7 +159,7 @@ static int user_page_pipe_buf_steal(struct pipe_inode_info *pipe, return generic_pipe_buf_steal(pipe, buf); } -static struct pipe_buf_operations user_page_pipe_buf_ops = { +static const struct pipe_buf_operations user_page_pipe_buf_ops = { .can_merge = 0, .map = generic_pipe_buf_map, .unmap = generic_pipe_buf_unmap, @@ -724,7 +724,7 @@ static ssize_t __splice_from_pipe(struct pipe_inode_info *pipe, for (;;) { if (pipe->nrbufs) { struct pipe_buffer *buf = pipe->bufs + pipe->curbuf; - struct pipe_buf_operations *ops = buf->ops; + const struct pipe_buf_operations *ops = buf->ops; sd.len = buf->len; if (sd.len > sd.total_len) diff --git a/include/asm-alpha/cacheflush.h b/include/asm-alpha/cacheflush.h index 805640b410781..b686cc7fc44e4 100644 --- a/include/asm-alpha/cacheflush.h +++ b/include/asm-alpha/cacheflush.h @@ -6,6 +6,7 @@ /* Caches aren't brain-dead on the Alpha. */ #define flush_cache_all() do { } while (0) #define flush_cache_mm(mm) do { } while (0) +#define flush_cache_dup_mm(mm) do { } while (0) #define flush_cache_range(vma, start, end) do { } while (0) #define flush_cache_page(vma, vmaddr, pfn) do { } while (0) #define flush_dcache_page(page) do { } while (0) diff --git a/include/asm-arm/arch-imx/imx-regs.h b/include/asm-arm/arch-imx/imx-regs.h index a6912b3d86710..e56a4e247d62d 100644 --- a/include/asm-arm/arch-imx/imx-regs.h +++ b/include/asm-arm/arch-imx/imx-regs.h @@ -41,7 +41,13 @@ /* PLL registers */ #define CSCR __REG(IMX_PLL_BASE) /* Clock Source Control Register */ -#define CSCR_SYSTEM_SEL (1<<16) +#define CSCR_SPLL_RESTART (1<<22) +#define CSCR_MPLL_RESTART (1<<21) +#define CSCR_SYSTEM_SEL (1<<16) +#define CSCR_BCLK_DIV (0xf<<10) +#define CSCR_MPU_PRESC (1<<15) +#define CSCR_SPEN (1<<1) +#define CSCR_MPEN (1<<0) #define MPCTL0 __REG(IMX_PLL_BASE + 0x4) /* MCU PLL Control Register 0 */ #define MPCTL1 __REG(IMX_PLL_BASE + 0x8) /* MCU PLL and System Clock Register 1 */ @@ -49,8 +55,6 @@ #define SPCTL1 __REG(IMX_PLL_BASE + 0x10) /* System PLL Control Register 1 */ #define PCDR __REG(IMX_PLL_BASE + 0x20) /* Peripheral Clock Divider Register */ -#define CSCR_MPLL_RESTART (1<<21) - /* * GPIO Module and I/O Multiplexer * x = 0..3 for reg_A, reg_B, reg_C, reg_D diff --git a/include/asm-arm/arch-s3c2410/regs-udc.h b/include/asm-arm/arch-s3c2410/regs-udc.h index 487861d5b49a9..3c8354619b600 100644 --- a/include/asm-arm/arch-s3c2410/regs-udc.h +++ b/include/asm-arm/arch-s3c2410/regs-udc.h @@ -11,8 +11,7 @@ #ifndef __ASM_ARCH_REGS_UDC_H #define __ASM_ARCH_REGS_UDC_H - -#define S3C2410_USBDREG(x) ((x) + S3C24XX_VA_USBDEV) +#define S3C2410_USBDREG(x) (x) #define S3C2410_UDC_FUNC_ADDR_REG S3C2410_USBDREG(0x0140) #define S3C2410_UDC_PWR_REG S3C2410_USBDREG(0x0144) @@ -136,8 +135,8 @@ #define S3C2410_UDC_OCSR2_ISO (1<<6) // R/W #define S3C2410_UDC_OCSR2_DMAIEN (1<<5) // R/W -#define S3C2410_UDC_SETIX(x) \ - __raw_writel(S3C2410_UDC_INDEX_ ## x, S3C2410_UDC_INDEX_REG); +#define S3C2410_UDC_SETIX(base,x) \ + writel(S3C2410_UDC_INDEX_ ## x, base+S3C2410_UDC_INDEX_REG); #define S3C2410_UDC_EP0_CSR_OPKRDY (1<<0) diff --git a/include/asm-arm/cacheflush.h b/include/asm-arm/cacheflush.h index f0845646aacb3..378a3a2ce8d93 100644 --- a/include/asm-arm/cacheflush.h +++ b/include/asm-arm/cacheflush.h @@ -319,6 +319,8 @@ extern void flush_ptrace_access(struct vm_area_struct *vma, struct page *page, unsigned long len, int write); #endif +#define flush_cache_dup_mm(mm) flush_cache_mm(mm) + /* * flush_cache_user_range is used when we want to ensure that the * Harvard caches are synchronised for the user space address range. diff --git a/include/asm-arm/cpu-multi32.h b/include/asm-arm/cpu-multi32.h index 4679f63688e99..715e18a4add10 100644 --- a/include/asm-arm/cpu-multi32.h +++ b/include/asm-arm/cpu-multi32.h @@ -50,9 +50,10 @@ extern struct processor { */ void (*switch_mm)(unsigned long pgd_phys, struct mm_struct *mm); /* - * Set a PTE + * Set a possibly extended PTE. Non-extended PTEs should + * ignore 'ext'. */ - void (*set_pte)(pte_t *ptep, pte_t pte); + void (*set_pte_ext)(pte_t *ptep, pte_t pte, unsigned int ext); } processor; #define cpu_proc_init() processor._proc_init() @@ -60,5 +61,5 @@ extern struct processor { #define cpu_reset(addr) processor.reset(addr) #define cpu_do_idle() processor._do_idle() #define cpu_dcache_clean_area(addr,sz) processor.dcache_clean_area(addr,sz) -#define cpu_set_pte(ptep, pte) processor.set_pte(ptep, pte) +#define cpu_set_pte_ext(ptep,pte,ext) processor.set_pte_ext(ptep,pte,ext) #define cpu_do_switch_mm(pgd,mm) processor.switch_mm(pgd,mm) diff --git a/include/asm-arm/cpu-single.h b/include/asm-arm/cpu-single.h index 6723e67244fa1..0b120ee36091c 100644 --- a/include/asm-arm/cpu-single.h +++ b/include/asm-arm/cpu-single.h @@ -28,7 +28,7 @@ #define cpu_do_idle __cpu_fn(CPU_NAME,_do_idle) #define cpu_dcache_clean_area __cpu_fn(CPU_NAME,_dcache_clean_area) #define cpu_do_switch_mm __cpu_fn(CPU_NAME,_switch_mm) -#define cpu_set_pte __cpu_fn(CPU_NAME,_set_pte) +#define cpu_set_pte_ext __cpu_fn(CPU_NAME,_set_pte_ext) #include <asm/page.h> @@ -40,5 +40,5 @@ extern void cpu_proc_fin(void); extern int cpu_do_idle(void); extern void cpu_dcache_clean_area(void *, int); extern void cpu_do_switch_mm(unsigned long pgd_phys, struct mm_struct *mm); -extern void cpu_set_pte(pte_t *ptep, pte_t pte); +extern void cpu_set_pte_ext(pte_t *ptep, pte_t pte, unsigned int ext); extern void cpu_reset(unsigned long addr) __attribute__((noreturn)); diff --git a/include/asm-arm/pgtable.h b/include/asm-arm/pgtable.h index 88cd5c784ef04..b8cf2d5ec3041 100644 --- a/include/asm-arm/pgtable.h +++ b/include/asm-arm/pgtable.h @@ -21,6 +21,7 @@ #include <asm/memory.h> #include <asm/arch/vmalloc.h> +#include <asm/pgtable-hwdef.h> /* * Just any arbitrary offset to the start of the vmalloc VM area: the @@ -170,7 +171,6 @@ extern void __pgd_error(const char *file, int line, unsigned long val); #define L_PTE_EXEC (1 << 6) #define L_PTE_DIRTY (1 << 7) #define L_PTE_SHARED (1 << 10) /* shared(v6), coherent(xsc3) */ -#define L_PTE_ASID (1 << 11) /* non-global (use ASID, v6) */ #ifndef __ASSEMBLY__ @@ -228,7 +228,7 @@ extern struct page *empty_zero_page; #define pfn_pte(pfn,prot) (__pte(((pfn) << PAGE_SHIFT) | pgprot_val(prot))) #define pte_none(pte) (!pte_val(pte)) -#define pte_clear(mm,addr,ptep) set_pte_at((mm),(addr),(ptep), __pte(0)) +#define pte_clear(mm,addr,ptep) set_pte_ext(ptep, __pte(0), 0) #define pte_page(pte) (pfn_to_page(pte_pfn(pte))) #define pte_offset_kernel(dir,addr) (pmd_page_vaddr(*(dir)) + __pte_index(addr)) #define pte_offset_map(dir,addr) (pmd_page_vaddr(*(dir)) + __pte_index(addr)) @@ -236,8 +236,11 @@ extern struct page *empty_zero_page; #define pte_unmap(pte) do { } while (0) #define pte_unmap_nested(pte) do { } while (0) -#define set_pte(ptep, pte) cpu_set_pte(ptep,pte) -#define set_pte_at(mm,addr,ptep,pteval) set_pte(ptep,pteval) +#define set_pte_ext(ptep,pte,ext) cpu_set_pte_ext(ptep,pte,ext) + +#define set_pte_at(mm,addr,ptep,pteval) do { \ + set_pte_ext(ptep, pteval, (addr) >= PAGE_OFFSET ? 0 : PTE_EXT_NG); \ + } while (0) /* * The following only work if pte_present() is true. diff --git a/include/asm-arm/processor.h b/include/asm-arm/processor.h index b442e8e2a8094..1bbf16182d62a 100644 --- a/include/asm-arm/processor.h +++ b/include/asm-arm/processor.h @@ -103,14 +103,14 @@ extern int kernel_thread(int (*fn)(void *), void *arg, unsigned long flags); #if __LINUX_ARM_ARCH__ >= 5 #define ARCH_HAS_PREFETCH -#define prefetch(ptr) \ - ({ \ - __asm__ __volatile__( \ - "pld\t%0" \ - : \ - : "o" (*(char *)(ptr)) \ - : "cc"); \ - }) +static inline void prefetch(const void *ptr) +{ + __asm__ __volatile__( + "pld\t%0" + : + : "o" (*(char *)ptr) + : "cc"); +} #define ARCH_HAS_PREFETCHW #define prefetchw(ptr) prefetch(ptr) diff --git a/include/asm-arm/system.h b/include/asm-arm/system.h index f05fbe31576cb..e160aeb0138d0 100644 --- a/include/asm-arm/system.h +++ b/include/asm-arm/system.h @@ -139,23 +139,60 @@ static inline int cpu_is_xsc3(void) #define cpu_is_xscale() 1 #endif -#define set_cr(x) \ - __asm__ __volatile__( \ - "mcr p15, 0, %0, c1, c0, 0 @ set CR" \ - : : "r" (x) : "cc") - -#define get_cr() \ - ({ \ - unsigned int __val; \ - __asm__ __volatile__( \ - "mrc p15, 0, %0, c1, c0, 0 @ get CR" \ - : "=r" (__val) : : "cc"); \ - __val; \ - }) +static inline unsigned int get_cr(void) +{ + unsigned int val; + asm("mrc p15, 0, %0, c1, c0, 0 @ get CR" : "=r" (val) : : "cc"); + return val; +} + +static inline void set_cr(unsigned int val) +{ + asm volatile("mcr p15, 0, %0, c1, c0, 0 @ set CR" + : : "r" (val) : "cc"); +} + +#define CPACC_FULL(n) (3 << (n * 2)) +#define CPACC_SVC(n) (1 << (n * 2)) +#define CPACC_DISABLE(n) (0 << (n * 2)) + +static inline unsigned int get_copro_access(void) +{ + unsigned int val; + asm("mrc p15, 0, %0, c1, c0, 2 @ get copro access" + : "=r" (val) : : "cc"); + return val; +} + +static inline void set_copro_access(unsigned int val) +{ + asm volatile("mcr p15, 0, %0, c1, c0, 2 @ set copro access" + : : "r" (val) : "cc"); +} extern unsigned long cr_no_alignment; /* defined in entry-armv.S */ extern unsigned long cr_alignment; /* defined in entry-armv.S */ +#ifndef CONFIG_SMP +static inline void adjust_cr(unsigned long mask, unsigned long set) +{ + unsigned long flags, cr; + + mask &= ~CR_A; + + set &= mask; + + local_irq_save(flags); + + cr_no_alignment = (cr_no_alignment & ~mask) | set; + cr_alignment = (cr_alignment & ~mask) | set; + + set_cr((get_cr() & ~mask) | set); + + local_irq_restore(flags); +} +#endif + #define UDBG_UNDEFINED (1 << 0) #define UDBG_SYSCALL (1 << 1) #define UDBG_BADABORT (1 << 2) diff --git a/include/asm-arm/thread_info.h b/include/asm-arm/thread_info.h index d9b8bddc8732a..5014794f9eb3d 100644 --- a/include/asm-arm/thread_info.h +++ b/include/asm-arm/thread_info.h @@ -147,6 +147,7 @@ extern void iwmmxt_task_switch(struct thread_info *); #define TIF_POLLING_NRFLAG 16 #define TIF_USING_IWMMXT 17 #define TIF_MEMDIE 18 +#define TIF_FREEZE 19 #define _TIF_NOTIFY_RESUME (1 << TIF_NOTIFY_RESUME) #define _TIF_SIGPENDING (1 << TIF_SIGPENDING) @@ -154,6 +155,7 @@ extern void iwmmxt_task_switch(struct thread_info *); #define _TIF_SYSCALL_TRACE (1 << TIF_SYSCALL_TRACE) #define _TIF_POLLING_NRFLAG (1 << TIF_POLLING_NRFLAG) #define _TIF_USING_IWMMXT (1 << TIF_USING_IWMMXT) +#define _TIF_FREEZE (1 << TIF_FREEZE) /* * Change these and you break ASM code in entry-common.S diff --git a/include/asm-arm/unistd.h b/include/asm-arm/unistd.h index d44c629d84249..32b06eb528194 100644 --- a/include/asm-arm/unistd.h +++ b/include/asm-arm/unistd.h @@ -347,6 +347,19 @@ #define __NR_mbind (__NR_SYSCALL_BASE+319) #define __NR_get_mempolicy (__NR_SYSCALL_BASE+320) #define __NR_set_mempolicy (__NR_SYSCALL_BASE+321) +#define __NR_openat (__NR_SYSCALL_BASE+322) +#define __NR_mkdirat (__NR_SYSCALL_BASE+323) +#define __NR_mknodat (__NR_SYSCALL_BASE+324) +#define __NR_fchownat (__NR_SYSCALL_BASE+325) +#define __NR_futimesat (__NR_SYSCALL_BASE+326) +#define __NR_fstatat64 (__NR_SYSCALL_BASE+327) +#define __NR_unlinkat (__NR_SYSCALL_BASE+328) +#define __NR_renameat (__NR_SYSCALL_BASE+329) +#define __NR_linkat (__NR_SYSCALL_BASE+330) +#define __NR_symlinkat (__NR_SYSCALL_BASE+331) +#define __NR_readlinkat (__NR_SYSCALL_BASE+332) +#define __NR_fchmodat (__NR_SYSCALL_BASE+333) +#define __NR_faccessat (__NR_SYSCALL_BASE+334) /* * The following SWIs are ARM private. diff --git a/include/asm-arm26/cacheflush.h b/include/asm-arm26/cacheflush.h index 9c1b9c7f2ebd1..14ae15b6faab8 100644 --- a/include/asm-arm26/cacheflush.h +++ b/include/asm-arm26/cacheflush.h @@ -22,6 +22,7 @@ #define flush_cache_all() do { } while (0) #define flush_cache_mm(mm) do { } while (0) +#define flush_cache_dup_mm(mm) do { } while (0) #define flush_cache_range(vma,start,end) do { } while (0) #define flush_cache_page(vma,vmaddr,pfn) do { } while (0) #define flush_cache_vmap(start, end) do { } while (0) diff --git a/include/asm-avr32/cacheflush.h b/include/asm-avr32/cacheflush.h index f1bf1708980e4..dfaaa88cd412b 100644 --- a/include/asm-avr32/cacheflush.h +++ b/include/asm-avr32/cacheflush.h @@ -87,6 +87,7 @@ void invalidate_icache_region(void *start, size_t len); */ #define flush_cache_all() do { } while (0) #define flush_cache_mm(mm) do { } while (0) +#define flush_cache_dup_mm(mm) do { } while (0) #define flush_cache_range(vma, start, end) do { } while (0) #define flush_cache_page(vma, vmaddr, pfn) do { } while (0) #define flush_cache_vmap(start, end) do { } while (0) diff --git a/include/asm-avr32/pgalloc.h b/include/asm-avr32/pgalloc.h index 7492cfb92cedd..bb82e70cde8d0 100644 --- a/include/asm-avr32/pgalloc.h +++ b/include/asm-avr32/pgalloc.h @@ -28,7 +28,7 @@ static __inline__ void pmd_populate(struct mm_struct *mm, pmd_t *pmd, static __inline__ pgd_t *pgd_alloc(struct mm_struct *mm) { unsigned int pgd_size = (USER_PTRS_PER_PGD * sizeof(pgd_t)); - pgd_t *pgd = (pgd_t *)kmalloc(pgd_size, GFP_KERNEL); + pgd_t *pgd = kmalloc(pgd_size, GFP_KERNEL); if (pgd) memset(pgd, 0, pgd_size); diff --git a/include/asm-cris/cacheflush.h b/include/asm-cris/cacheflush.h index 72cc71dffe70e..01af2de27c5bc 100644 --- a/include/asm-cris/cacheflush.h +++ b/include/asm-cris/cacheflush.h @@ -9,6 +9,7 @@ */ #define flush_cache_all() do { } while (0) #define flush_cache_mm(mm) do { } while (0) +#define flush_cache_dup_mm(mm) do { } while (0) #define flush_cache_range(vma, start, end) do { } while (0) #define flush_cache_page(vma, vmaddr, pfn) do { } while (0) #define flush_dcache_page(page) do { } while (0) diff --git a/include/asm-frv/cacheflush.h b/include/asm-frv/cacheflush.h index eaa5826bc1c8f..02500405a6fb2 100644 --- a/include/asm-frv/cacheflush.h +++ b/include/asm-frv/cacheflush.h @@ -20,6 +20,7 @@ */ #define flush_cache_all() do {} while(0) #define flush_cache_mm(mm) do {} while(0) +#define flush_cache_dup_mm(mm) do {} while(0) #define flush_cache_range(mm, start, end) do {} while(0) #define flush_cache_page(vma, vmaddr, pfn) do {} while(0) #define flush_cache_vmap(start, end) do {} while(0) diff --git a/include/asm-frv/thread_info.h b/include/asm-frv/thread_info.h index d66c48e6ef144..d881f518e6a92 100644 --- a/include/asm-frv/thread_info.h +++ b/include/asm-frv/thread_info.h @@ -116,6 +116,7 @@ register struct thread_info *__current_thread_info asm("gr15"); #define TIF_RESTORE_SIGMASK 6 /* restore signal mask in do_signal() */ #define TIF_POLLING_NRFLAG 16 /* true if poll_idle() is polling TIF_NEED_RESCHED */ #define TIF_MEMDIE 17 /* OOM killer killed process */ +#define TIF_FREEZE 18 /* freezing for suspend */ #define _TIF_SYSCALL_TRACE (1 << TIF_SYSCALL_TRACE) #define _TIF_NOTIFY_RESUME (1 << TIF_NOTIFY_RESUME) @@ -125,6 +126,7 @@ register struct thread_info *__current_thread_info asm("gr15"); #define _TIF_IRET (1 << TIF_IRET) #define _TIF_RESTORE_SIGMASK (1 << TIF_RESTORE_SIGMASK) #define _TIF_POLLING_NRFLAG (1 << TIF_POLLING_NRFLAG) +#define _TIF_FREEZE (1 << TIF_FREEZE) #define _TIF_WORK_MASK 0x0000FFFE /* work to do on interrupt/exception return */ #define _TIF_ALLWORK_MASK 0x0000FFFF /* work to do on any return to u-space */ diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h index 7437ccaada77f..1587121730c5e 100644 --- a/include/asm-generic/vmlinux.lds.h +++ b/include/asm-generic/vmlinux.lds.h @@ -119,8 +119,6 @@ *(__ksymtab_strings) \ } \ \ - EH_FRAME \ - \ /* Built-in module parameters. */ \ __param : AT(ADDR(__param) - LOAD_OFFSET) { \ VMLINUX_SYMBOL(__start___param) = .; \ @@ -160,26 +158,6 @@ *(.kprobes.text) \ VMLINUX_SYMBOL(__kprobes_text_end) = .; -#ifdef CONFIG_STACK_UNWIND -#define EH_FRAME \ - /* Unwind data binary search table */ \ - . = ALIGN(8); \ - .eh_frame_hdr : AT(ADDR(.eh_frame_hdr) - LOAD_OFFSET) { \ - VMLINUX_SYMBOL(__start_unwind_hdr) = .; \ - *(.eh_frame_hdr) \ - VMLINUX_SYMBOL(__end_unwind_hdr) = .; \ - } \ - /* Unwind data */ \ - . = ALIGN(8); \ - .eh_frame : AT(ADDR(.eh_frame) - LOAD_OFFSET) { \ - VMLINUX_SYMBOL(__start_unwind) = .; \ - *(.eh_frame) \ - VMLINUX_SYMBOL(__end_unwind) = .; \ - } -#else -#define EH_FRAME -#endif - /* DWARF debug sections. Symbols in the DWARF debugging sections are relative to the beginning of the section so we begin them at 0. */ diff --git a/include/asm-h8300/cacheflush.h b/include/asm-h8300/cacheflush.h index 1e4d95bb5ec9c..71210d141b64b 100644 --- a/include/asm-h8300/cacheflush.h +++ b/include/asm-h8300/cacheflush.h @@ -12,6 +12,7 @@ #define flush_cache_all() #define flush_cache_mm(mm) +#define flush_cache_dup_mm(mm) do { } while (0) #define flush_cache_range(vma,a,b) #define flush_cache_page(vma,p,pfn) #define flush_dcache_page(page) diff --git a/include/asm-i386/cacheflush.h b/include/asm-i386/cacheflush.h index 7199f7b326f1e..74e03c8f2e515 100644 --- a/include/asm-i386/cacheflush.h +++ b/include/asm-i386/cacheflush.h @@ -7,6 +7,7 @@ /* Caches aren't brain-dead on the intel. */ #define flush_cache_all() do { } while (0) #define flush_cache_mm(mm) do { } while (0) +#define flush_cache_dup_mm(mm) do { } while (0) #define flush_cache_range(vma, start, end) do { } while (0) #define flush_cache_page(vma, vmaddr, pfn) do { } while (0) #define flush_dcache_page(page) do { } while (0) diff --git a/include/asm-i386/thread_info.h b/include/asm-i386/thread_info.h index 46d32ad920825..4b187bb377b42 100644 --- a/include/asm-i386/thread_info.h +++ b/include/asm-i386/thread_info.h @@ -134,6 +134,7 @@ static inline struct thread_info *current_thread_info(void) #define TIF_MEMDIE 16 #define TIF_DEBUG 17 /* uses debug registers */ #define TIF_IO_BITMAP 18 /* uses I/O bitmap */ +#define TIF_FREEZE 19 /* is freezing for suspend */ #define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE) #define _TIF_NOTIFY_RESUME (1<<TIF_NOTIFY_RESUME) @@ -147,6 +148,7 @@ static inline struct thread_info *current_thread_info(void) #define _TIF_RESTORE_SIGMASK (1<<TIF_RESTORE_SIGMASK) #define _TIF_DEBUG (1<<TIF_DEBUG) #define _TIF_IO_BITMAP (1<<TIF_IO_BITMAP) +#define _TIF_FREEZE (1<<TIF_FREEZE) /* work to do on interrupt/exception return */ #define _TIF_WORK_MASK \ diff --git a/include/asm-i386/unwind.h b/include/asm-i386/unwind.h index aa2c931e30dbd..43c70c3de2f96 100644 --- a/include/asm-i386/unwind.h +++ b/include/asm-i386/unwind.h @@ -1,95 +1,6 @@ #ifndef _ASM_I386_UNWIND_H #define _ASM_I386_UNWIND_H -/* - * Copyright (C) 2002-2006 Novell, Inc. - * Jan Beulich <jbeulich@novell.com> - * This code is released under version 2 of the GNU GPL. - */ - -#ifdef CONFIG_STACK_UNWIND - -#include <linux/sched.h> -#include <asm/fixmap.h> -#include <asm/ptrace.h> -#include <asm/uaccess.h> - -struct unwind_frame_info -{ - struct pt_regs regs; - struct task_struct *task; - unsigned call_frame:1; -}; - -#define UNW_PC(frame) (frame)->regs.eip -#define UNW_SP(frame) (frame)->regs.esp -#ifdef CONFIG_FRAME_POINTER -#define UNW_FP(frame) (frame)->regs.ebp -#define FRAME_RETADDR_OFFSET 4 -#define FRAME_LINK_OFFSET 0 -#define STACK_BOTTOM(tsk) STACK_LIMIT((tsk)->thread.esp0) -#define STACK_TOP(tsk) ((tsk)->thread.esp0) -#else -#define UNW_FP(frame) ((void)(frame), 0) -#endif -#define STACK_LIMIT(ptr) (((ptr) - 1) & ~(THREAD_SIZE - 1)) - -#define UNW_REGISTER_INFO \ - PTREGS_INFO(eax), \ - PTREGS_INFO(ecx), \ - PTREGS_INFO(edx), \ - PTREGS_INFO(ebx), \ - PTREGS_INFO(esp), \ - PTREGS_INFO(ebp), \ - PTREGS_INFO(esi), \ - PTREGS_INFO(edi), \ - PTREGS_INFO(eip) - -#define UNW_DEFAULT_RA(raItem, dataAlign) \ - ((raItem).where == Memory && \ - !((raItem).value * (dataAlign) + 4)) - -static inline void arch_unw_init_frame_info(struct unwind_frame_info *info, - /*const*/ struct pt_regs *regs) -{ - if (user_mode_vm(regs)) - info->regs = *regs; - else { - memcpy(&info->regs, regs, offsetof(struct pt_regs, esp)); - info->regs.esp = (unsigned long)®s->esp; - info->regs.xss = __KERNEL_DS; - } -} - -static inline void arch_unw_init_blocked(struct unwind_frame_info *info) -{ - memset(&info->regs, 0, sizeof(info->regs)); - info->regs.eip = info->task->thread.eip; - info->regs.xcs = __KERNEL_CS; - __get_user(info->regs.ebp, (long *)info->task->thread.esp); - info->regs.esp = info->task->thread.esp; - info->regs.xss = __KERNEL_DS; - info->regs.xds = __USER_DS; - info->regs.xes = __USER_DS; - info->regs.xgs = __KERNEL_PDA; -} - -extern asmlinkage int arch_unwind_init_running(struct unwind_frame_info *, - asmlinkage int (*callback)(struct unwind_frame_info *, - void *arg), - void *arg); - -static inline int arch_unw_user_mode(/*const*/ struct unwind_frame_info *info) -{ - return user_mode_vm(&info->regs) - || info->regs.eip < PAGE_OFFSET - || (info->regs.eip >= __fix_to_virt(FIX_VDSO) - && info->regs.eip < __fix_to_virt(FIX_VDSO) + PAGE_SIZE) - || info->regs.esp < PAGE_OFFSET; -} - -#else - #define UNW_PC(frame) ((void)(frame), 0) #define UNW_SP(frame) ((void)(frame), 0) #define UNW_FP(frame) ((void)(frame), 0) @@ -99,6 +10,4 @@ static inline int arch_unw_user_mode(const void *info) return 0; } -#endif - #endif /* _ASM_I386_UNWIND_H */ diff --git a/include/asm-ia64/cacheflush.h b/include/asm-ia64/cacheflush.h index f2dacb4245ec1..4906916d715b5 100644 --- a/include/asm-ia64/cacheflush.h +++ b/include/asm-ia64/cacheflush.h @@ -18,6 +18,7 @@ #define flush_cache_all() do { } while (0) #define flush_cache_mm(mm) do { } while (0) +#define flush_cache_dup_mm(mm) do { } while (0) #define flush_cache_range(vma, start, end) do { } while (0) #define flush_cache_page(vma, vmaddr, pfn) do { } while (0) #define flush_icache_page(vma,page) do { } while (0) diff --git a/include/asm-ia64/pci.h b/include/asm-ia64/pci.h index 825eb7d882e63..556f53fa44cb2 100644 --- a/include/asm-ia64/pci.h +++ b/include/asm-ia64/pci.h @@ -78,9 +78,6 @@ pcibios_penalize_isa_irq (int irq, int active) #define pci_dac_dma_sync_single_for_cpu(dev,dma_addr,len,dir) do { } while (0) #define pci_dac_dma_sync_single_for_device(dev,dma_addr,len,dir) do { mb(); } while (0) -#define sg_dma_len(sg) ((sg)->dma_length) -#define sg_dma_address(sg) ((sg)->dma_address) - #ifdef CONFIG_PCI static inline void pci_dma_burst_advice(struct pci_dev *pdev, enum pci_dma_burst_strategy *strat, diff --git a/include/asm-ia64/scatterlist.h b/include/asm-ia64/scatterlist.h index 834a189ef1898..9dbea8844d5ea 100644 --- a/include/asm-ia64/scatterlist.h +++ b/include/asm-ia64/scatterlist.h @@ -25,4 +25,7 @@ struct scatterlist { */ #define ISA_DMA_THRESHOLD 0xffffffff +#define sg_dma_len(sg) ((sg)->dma_length) +#define sg_dma_address(sg) ((sg)->dma_address) + #endif /* _ASM_IA64_SCATTERLIST_H */ diff --git a/include/asm-ia64/thread_info.h b/include/asm-ia64/thread_info.h index 8adcde0934ca4..9b505b25544f0 100644 --- a/include/asm-ia64/thread_info.h +++ b/include/asm-ia64/thread_info.h @@ -88,6 +88,7 @@ struct thread_info { #define TIF_MEMDIE 17 #define TIF_MCA_INIT 18 /* this task is processing MCA or INIT */ #define TIF_DB_DISABLED 19 /* debug trap disabled for fsyscall */ +#define TIF_FREEZE 20 /* is freezing for suspend */ #define _TIF_SYSCALL_TRACE (1 << TIF_SYSCALL_TRACE) #define _TIF_SYSCALL_AUDIT (1 << TIF_SYSCALL_AUDIT) @@ -98,6 +99,7 @@ struct thread_info { #define _TIF_POLLING_NRFLAG (1 << TIF_POLLING_NRFLAG) #define _TIF_MCA_INIT (1 << TIF_MCA_INIT) #define _TIF_DB_DISABLED (1 << TIF_DB_DISABLED) +#define _TIF_FREEZE (1 << TIF_FREEZE) /* "work to do on user-return" bits */ #define TIF_ALLWORK_MASK (_TIF_NOTIFY_RESUME|_TIF_SIGPENDING|_TIF_NEED_RESCHED|_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT) diff --git a/include/asm-m32r/cacheflush.h b/include/asm-m32r/cacheflush.h index 8b261b49149e7..56961a9511b2c 100644 --- a/include/asm-m32r/cacheflush.h +++ b/include/asm-m32r/cacheflush.h @@ -9,6 +9,7 @@ extern void _flush_cache_copyback_all(void); #if defined(CONFIG_CHIP_M32700) || defined(CONFIG_CHIP_OPSP) || defined(CONFIG_CHIP_M32104) #define flush_cache_all() do { } while (0) #define flush_cache_mm(mm) do { } while (0) +#define flush_cache_dup_mm(mm) do { } while (0) #define flush_cache_range(vma, start, end) do { } while (0) #define flush_cache_page(vma, vmaddr, pfn) do { } while (0) #define flush_dcache_page(page) do { } while (0) @@ -29,6 +30,7 @@ extern void smp_flush_cache_all(void); #elif defined(CONFIG_CHIP_M32102) #define flush_cache_all() do { } while (0) #define flush_cache_mm(mm) do { } while (0) +#define flush_cache_dup_mm(mm) do { } while (0) #define flush_cache_range(vma, start, end) do { } while (0) #define flush_cache_page(vma, vmaddr, pfn) do { } while (0) #define flush_dcache_page(page) do { } while (0) @@ -41,6 +43,7 @@ extern void smp_flush_cache_all(void); #else #define flush_cache_all() do { } while (0) #define flush_cache_mm(mm) do { } while (0) +#define flush_cache_dup_mm(mm) do { } while (0) #define flush_cache_range(vma, start, end) do { } while (0) #define flush_cache_page(vma, vmaddr, pfn) do { } while (0) #define flush_dcache_page(page) do { } while (0) diff --git a/include/asm-m68k/cacheflush.h b/include/asm-m68k/cacheflush.h index 24d3ff4491357..16bf375fdbe1c 100644 --- a/include/asm-m68k/cacheflush.h +++ b/include/asm-m68k/cacheflush.h @@ -89,6 +89,8 @@ static inline void flush_cache_mm(struct mm_struct *mm) __flush_cache_030(); } +#define flush_cache_dup_mm(mm) flush_cache_mm(mm) + /* flush_cache_range/flush_cache_page must be macros to avoid a dependency on linux/mm.h, which includes this file... */ static inline void flush_cache_range(struct vm_area_struct *vma, diff --git a/include/asm-m68k/swim_iop.h b/include/asm-m68k/swim_iop.h deleted file mode 100644 index f29b67876b01a..0000000000000 --- a/include/asm-m68k/swim_iop.h +++ /dev/null @@ -1,221 +0,0 @@ -/* - * SWIM access through the IOP - * Written by Joshua M. Thompson - */ - -/* IOP number and channel number for the SWIM */ - -#define SWIM_IOP IOP_NUM_ISM -#define SWIM_CHAN 1 - -/* Command code: */ - -#define CMD_INIT 0x01 /* Initialize */ -#define CMD_SHUTDOWN 0x02 /* Shutdown */ -#define CMD_START_POLL 0x03 /* Start insert/eject polling */ -#define CMD_STOP_POLL 0x04 /* Stop insert/eject polling */ -#define CMD_SETHFSTAG 0x05 /* Set HFS tag buffer address */ -#define CMD_STATUS 0x06 /* Status */ -#define CMD_EJECT 0x07 /* Eject */ -#define CMD_FORMAT 0x08 /* Format */ -#define CMD_FORMAT_VERIFY 0x09 /* Format and Verify */ -#define CMD_WRITE 0x0A /* Write */ -#define CMD_READ 0x0B /* Read */ -#define CMD_READ_VERIFY 0x0C /* Read and Verify */ -#define CMD_CACHE_CTRL 0x0D /* Cache control */ -#define CMD_TAGBUFF_CTRL 0x0E /* Tag buffer control */ -#define CMD_GET_ICON 0x0F /* Get Icon */ - -/* Drive types: */ - -/* note: apple sez DRV_FDHD is 4, but I get back a type */ -/* of 5 when I do a drive status check on my FDHD */ - -#define DRV_NONE 0 /* No drive */ -#define DRV_UNKNOWN 1 /* Unspecified drive */ -#define DRV_400K 2 /* 400K */ -#define DRV_800K 3 /* 400K/800K */ -#define DRV_FDHD 5 /* 400K/800K/720K/1440K */ -#define DRV_HD20 7 /* Apple HD20 */ - -/* Format types: */ - -#define FMT_HD20 0x0001 /* Apple HD20 */ -#define FMT_400K 0x0002 /* 400K (GCR) */ -#define FMT_800K 0x0004 /* 800K (GCR) */ -#define FMT_720K 0x0008 /* 720K (MFM) */ -#define FMT_1440K 0x0010 /* 1.44M (MFM) */ - -#define FMD_KIND_400K 1 -#define FMD_KIND_800K 2 -#define FMD_KIND_720K 3 -#define FMD_KIND_1440K 1 - -/* Icon Flags: */ - -#define ICON_MEDIA 0x01 /* Have IOP supply media icon */ -#define ICON_DRIVE 0x01 /* Have IOP supply drive icon */ - -/* Error codes: */ - -#define gcrOnMFMErr -400 /* GCR (400/800K) on HD media */ -#define verErr -84 /* verify failed */ -#define fmt2Err -83 /* can't get enough sync during format */ -#define fmt1Err -82 /* can't find sector 0 after track format */ -#define sectNFErr -81 /* can't find sector */ -#define seekErr -80 /* drive error during seek */ -#define spdAdjErr -79 /* can't set drive speed */ -#define twoSideErr -78 /* drive is single-sided */ -#define initIWMErr -77 /* error during initialization */ -#define tk0badErr -76 /* track zero is bad */ -#define cantStepErr -75 /* drive error during step */ -#define wrUnderrun -74 /* write underrun occurred */ -#define badDBtSlp -73 /* bad data bitslip marks */ -#define badDCksum -72 /* bad data checksum */ -#define noDtaMkErr -71 /* can't find data mark */ -#define badBtSlpErr -70 /* bad address bitslip marks */ -#define badCksmErr -69 /* bad address-mark checksum */ -#define dataVerErr -68 /* read-verify failed */ -#define noAdrMkErr -67 /* can't find an address mark */ -#define noNybErr -66 /* no nybbles? disk is probably degaussed */ -#define offLinErr -65 /* no disk in drive */ -#define noDriveErr -64 /* drive isn't connected */ -#define nsDrvErr -56 /* no such drive */ -#define paramErr -50 /* bad positioning information */ -#define wPrErr -44 /* write protected */ -#define openErr -23 /* already initialized */ - -#ifndef __ASSEMBLY__ - -struct swim_drvstatus { - __u16 curr_track; /* Current track number */ - __u8 write_prot; /* 0x80 if disk is write protected */ - __u8 disk_in_drive; /* 0x01 or 0x02 if a disk is in the drive */ - __u8 installed; /* 0x01 if drive installed, 0xFF if not */ - __u8 num_sides; /* 0x80 if two-sided format supported */ - __u8 two_sided; /* 0xff if two-sided format diskette */ - __u8 new_interface; /* 0x00 if old 400K drive, 0xFF if newer */ - __u16 errors; /* Disk error count */ - struct { /* 32 bits */ - __u16 reserved; - __u16 :4; - __u16 external:1; /* Drive is external */ - __u16 scsi:1; /* Drive is a SCSI drive */ - __u16 fixed:1; /* Drive has fixed media */ - __u16 secondary:1; /* Drive is secondary drive */ - __u8 type; /* Drive type */ - } info; - __u8 mfm_drive; /* 0xFF if this is an FDHD drive */ - __u8 mfm_disk; /* 0xFF if 720K/1440K (MFM) disk */ - __u8 mfm_format; /* 0x00 if 720K, 0xFF if 1440K */ - __u8 ctlr_type; /* 0x00 if IWM, 0xFF if SWIM */ - __u16 curr_format; /* Current format type */ - __u16 allowed_fmt; /* Allowed format types */ - __u32 num_blocks; /* Number of blocks on disk */ - __u8 icon_flags; /* Icon flags */ - __u8 unusued; -}; - -/* Commands issued from the host to the IOP: */ - -struct swimcmd_init { - __u8 code; /* CMD_INIT */ - __u8 unusued; - __u16 error; - __u8 drives[28]; /* drive type list */ -}; - -struct swimcmd_startpoll { - __u8 code; /* CMD_START_POLL */ - __u8 unusued; - __u16 error; -}; - -struct swimcmd_sethfstag { - __u8 code; /* CMD_SETHFSTAG */ - __u8 unusued; - __u16 error; - caddr_t tagbuf; /* HFS tag buffer address */ -}; - -struct swimcmd_status { - __u8 code; /* CMD_STATUS */ - __u8 drive_num; - __u16 error; - struct swim_drvstatus status; -}; - -struct swimcmd_eject { - __u8 code; /* CMD_EJECT */ - __u8 drive_num; - __u16 error; - struct swim_drvstatus status; -}; - -struct swimcmd_format { - __u8 code; /* CMD_FORMAT */ - __u8 drive_num; - __u16 error; - union { - struct { - __u16 fmt; /* format kind */ - __u8 hdrbyte; /* fmt byte for hdr (0=default) */ - __u8 interleave; /* interleave (0 = default) */ - caddr_t databuf; /* sector data buff (0=default */ - caddr_t tagbuf; /* tag data buffer (0=default) */ - } f; - struct swim_drvstatus status; - } p; -}; - -struct swimcmd_fmtverify { - __u8 code; /* CMD_FORMAT_VERIFY */ - __u8 drive_num; - __u16 error; -}; - -struct swimcmd_rw { - __u8 code; /* CMD_READ, CMD_WRITE or CMD_READ_VERIFY */ - __u8 drive_num; - __u16 error; - caddr_t buffer; /* R/W buffer address */ - __u32 first_block; /* Starting block */ - __u32 num_blocks; /* Number of blocks */ - __u8 tag[12]; /* tag data */ -}; - -struct swimcmd_cachectl { - __u8 code; /* CMD_CACHE_CTRL */ - __u8 unused; - __u16 error; - __u8 enable; /* Nonzero to enable cache */ - __u8 install; /* +1 = install, -1 = remove, 0 = neither */ -}; - -struct swimcmd_tagbufctl { - __u8 code; /* CMD_TAGBUFF_CTRL */ - __u8 unused; - __u16 error; - caddr_t buf; /* buffer address or 0 to disable */ -}; - -struct swimcmd_geticon { - __u8 code; /* CMD_GET_ICON */ - __u8 drive_num; - __u16 error; - caddr_t buffer; /* Nuffer address */ - __u16 kind; /* 0 = media icon, 1 = drive icon */ - __u16 unused; - __u16 max_bytes; /* maximum byte count */ -}; - -/* Messages from the SWIM IOP to the host CPU: */ - -struct swimmsg_status { - __u8 code; /* 1 = insert, 2 = eject, 3 = status changed */ - __u8 drive_num; - __u16 error; - struct swim_drvstatus status; -}; - -#endif /* __ASSEMBLY__ */ diff --git a/include/asm-m68knommu/cacheflush.h b/include/asm-m68knommu/cacheflush.h index c3aadf3b0d88f..163dcb1a9689d 100644 --- a/include/asm-m68knommu/cacheflush.h +++ b/include/asm-m68knommu/cacheflush.h @@ -8,6 +8,7 @@ #define flush_cache_all() __flush_cache_all() #define flush_cache_mm(mm) do { } while (0) +#define flush_cache_dup_mm(mm) do { } while (0) #define flush_cache_range(vma, start, end) __flush_cache_all() #define flush_cache_page(vma, vmaddr) do { } while (0) #define flush_dcache_range(start,len) __flush_cache_all() diff --git a/include/asm-mips/cacheflush.h b/include/asm-mips/cacheflush.h index e3c9925876a3c..0ddada3bb0b69 100644 --- a/include/asm-mips/cacheflush.h +++ b/include/asm-mips/cacheflush.h @@ -17,6 +17,7 @@ * * - flush_cache_all() flushes entire cache * - flush_cache_mm(mm) flushes the specified mm context's cache lines + * - flush_cache_dup mm(mm) handles cache flushing when forking * - flush_cache_page(mm, vmaddr, pfn) flushes a single page * - flush_cache_range(vma, start, end) flushes a range of pages * - flush_icache_range(start, end) flush a range of instructions @@ -31,6 +32,7 @@ extern void (*flush_cache_all)(void); extern void (*__flush_cache_all)(void); extern void (*flush_cache_mm)(struct mm_struct *mm); +#define flush_cache_dup_mm(mm) do { (void) (mm); } while (0) extern void (*flush_cache_range)(struct vm_area_struct *vma, unsigned long start, unsigned long end); extern void (*flush_cache_page)(struct vm_area_struct *vma, unsigned long page, unsigned long pfn); diff --git a/include/asm-mips/page.h b/include/asm-mips/page.h index 0dc1a45c27eda..2f9e1a9ec51f2 100644 --- a/include/asm-mips/page.h +++ b/include/asm-mips/page.h @@ -35,7 +35,6 @@ #ifndef __ASSEMBLY__ #include <linux/pfn.h> -#include <asm/cpu-features.h> #include <asm/io.h> extern void clear_page(void * page); @@ -61,16 +60,13 @@ static inline void clear_user_page(void *addr, unsigned long vaddr, flush_data_cache_page((unsigned long)addr); } -static inline void copy_user_page(void *vto, void *vfrom, unsigned long vaddr, - struct page *to) -{ - extern void (*flush_data_cache_page)(unsigned long addr); +extern void copy_user_page(void *vto, void *vfrom, unsigned long vaddr, + struct page *to); +struct vm_area_struct; +extern void copy_user_highpage(struct page *to, struct page *from, + unsigned long vaddr, struct vm_area_struct *vma); - copy_page(vto, vfrom); - if (!cpu_has_ic_fills_f_dc || - pages_do_alias((unsigned long)vto, vaddr & PAGE_MASK)) - flush_data_cache_page((unsigned long)vto); -} +#define __HAVE_ARCH_COPY_USER_HIGHPAGE /* * These are used to make use of C type-checking.. diff --git a/include/asm-parisc/cacheflush.h b/include/asm-parisc/cacheflush.h index 2bc41f2e0271c..aedb0512cb049 100644 --- a/include/asm-parisc/cacheflush.h +++ b/include/asm-parisc/cacheflush.h @@ -15,6 +15,8 @@ #define flush_cache_mm(mm) flush_cache_all_local() #endif +#define flush_cache_dup_mm(mm) flush_cache_mm(mm) + #define flush_kernel_dcache_range(start,size) \ flush_kernel_dcache_range_asm((start), (start)+(size)); diff --git a/include/asm-powerpc/cacheflush.h b/include/asm-powerpc/cacheflush.h index 8a740c88d93df..08e93e7892191 100644 --- a/include/asm-powerpc/cacheflush.h +++ b/include/asm-powerpc/cacheflush.h @@ -18,6 +18,7 @@ */ #define flush_cache_all() do { } while (0) #define flush_cache_mm(mm) do { } while (0) +#define flush_cache_dup_mm(mm) do { } while (0) #define flush_cache_range(vma, start, end) do { } while (0) #define flush_cache_page(vma, vmaddr, pfn) do { } while (0) #define flush_icache_page(vma, page) do { } while (0) diff --git a/include/asm-powerpc/thread_info.h b/include/asm-powerpc/thread_info.h index d339e2e88b114..3f32ca8bfec9d 100644 --- a/include/asm-powerpc/thread_info.h +++ b/include/asm-powerpc/thread_info.h @@ -122,6 +122,7 @@ static inline struct thread_info *current_thread_info(void) #define TIF_RESTOREALL 12 /* Restore all regs (implies NOERROR) */ #define TIF_NOERROR 14 /* Force successful syscall return */ #define TIF_RESTORE_SIGMASK 15 /* Restore signal mask in do_signal */ +#define TIF_FREEZE 16 /* Freezing for suspend */ /* as above, but as bit values */ #define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE) @@ -138,6 +139,7 @@ static inline struct thread_info *current_thread_info(void) #define _TIF_RESTOREALL (1<<TIF_RESTOREALL) #define _TIF_NOERROR (1<<TIF_NOERROR) #define _TIF_RESTORE_SIGMASK (1<<TIF_RESTORE_SIGMASK) +#define _TIF_FREEZE (1<<TIF_FREEZE) #define _TIF_SYSCALL_T_OR_A (_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT|_TIF_SECCOMP) #define _TIF_USER_WORK_MASK (_TIF_NOTIFY_RESUME | _TIF_SIGPENDING | \ diff --git a/include/asm-s390/cacheflush.h b/include/asm-s390/cacheflush.h index e399a8ba2ed76..f7cade8083f33 100644 --- a/include/asm-s390/cacheflush.h +++ b/include/asm-s390/cacheflush.h @@ -7,6 +7,7 @@ /* Caches aren't brain-dead on the s390. */ #define flush_cache_all() do { } while (0) #define flush_cache_mm(mm) do { } while (0) +#define flush_cache_dup_mm(mm) do { } while (0) #define flush_cache_range(vma, start, end) do { } while (0) #define flush_cache_page(vma, vmaddr, pfn) do { } while (0) #define flush_dcache_page(page) do { } while (0) diff --git a/include/asm-s390/qdio.h b/include/asm-s390/qdio.h index 7189c79bc673e..127f72e774197 100644 --- a/include/asm-s390/qdio.h +++ b/include/asm-s390/qdio.h @@ -34,6 +34,7 @@ #define QDIO_QETH_QFMT 0 #define QDIO_ZFCP_QFMT 1 #define QDIO_IQDIO_QFMT 2 +#define QDIO_IQDIO_QFMT_ASYNCH 3 struct qdio_buffer_element{ unsigned int flags; diff --git a/include/asm-s390/reset.h b/include/asm-s390/reset.h index 9b439cf67800a..532e65a2aafc0 100644 --- a/include/asm-s390/reset.h +++ b/include/asm-s390/reset.h @@ -19,5 +19,6 @@ extern void register_reset_call(struct reset_call *reset); extern void unregister_reset_call(struct reset_call *reset); extern void s390_reset_system(void); extern void (*s390_reset_mcck_handler)(void); +extern void (*s390_reset_pgm_handler)(void); #endif /* _ASM_S390_RESET_H */ diff --git a/include/asm-sh/cpu-sh2/cacheflush.h b/include/asm-sh/cpu-sh2/cacheflush.h index f556fa80ea975..2979efb26de3c 100644 --- a/include/asm-sh/cpu-sh2/cacheflush.h +++ b/include/asm-sh/cpu-sh2/cacheflush.h @@ -15,6 +15,7 @@ * * - flush_cache_all() flushes entire cache * - flush_cache_mm(mm) flushes the specified mm context's cache lines + * - flush_cache_dup mm(mm) handles cache flushing when forking * - flush_cache_page(mm, vmaddr, pfn) flushes a single page * - flush_cache_range(vma, start, end) flushes a range of pages * @@ -27,6 +28,7 @@ */ #define flush_cache_all() do { } while (0) #define flush_cache_mm(mm) do { } while (0) +#define flush_cache_dup_mm(mm) do { } while (0) #define flush_cache_range(vma, start, end) do { } while (0) #define flush_cache_page(vma, vmaddr, pfn) do { } while (0) #define flush_dcache_page(page) do { } while (0) diff --git a/include/asm-sh/cpu-sh3/cacheflush.h b/include/asm-sh/cpu-sh3/cacheflush.h index 03fde97a7fd0e..f70d8ef76a15f 100644 --- a/include/asm-sh/cpu-sh3/cacheflush.h +++ b/include/asm-sh/cpu-sh3/cacheflush.h @@ -15,6 +15,7 @@ * * - flush_cache_all() flushes entire cache * - flush_cache_mm(mm) flushes the specified mm context's cache lines + * - flush_cache_dup mm(mm) handles cache flushing when forking * - flush_cache_page(mm, vmaddr, pfn) flushes a single page * - flush_cache_range(vma, start, end) flushes a range of pages * @@ -39,6 +40,7 @@ void flush_cache_all(void); void flush_cache_mm(struct mm_struct *mm); +#define flush_cache_dup_mm(mm) flush_cache_mm(mm) void flush_cache_range(struct vm_area_struct *vma, unsigned long start, unsigned long end); void flush_cache_page(struct vm_area_struct *vma, unsigned long addr, unsigned long pfn); @@ -48,6 +50,7 @@ void flush_icache_page(struct vm_area_struct *vma, struct page *page); #else #define flush_cache_all() do { } while (0) #define flush_cache_mm(mm) do { } while (0) +#define flush_cache_dup_mm(mm) do { } while (0) #define flush_cache_range(vma, start, end) do { } while (0) #define flush_cache_page(vma, vmaddr, pfn) do { } while (0) #define flush_dcache_page(page) do { } while (0) diff --git a/include/asm-sh/cpu-sh4/cacheflush.h b/include/asm-sh/cpu-sh4/cacheflush.h index 515fd574267c1..b01a10f312259 100644 --- a/include/asm-sh/cpu-sh4/cacheflush.h +++ b/include/asm-sh/cpu-sh4/cacheflush.h @@ -18,6 +18,7 @@ */ void flush_cache_all(void); void flush_cache_mm(struct mm_struct *mm); +#define flush_cache_dup_mm(mm) flush_cache_mm(mm) void flush_cache_range(struct vm_area_struct *vma, unsigned long start, unsigned long end); void flush_cache_page(struct vm_area_struct *vma, unsigned long addr, diff --git a/include/asm-sh/thread_info.h b/include/asm-sh/thread_info.h index 0c01dc550819e..879f741105dbd 100644 --- a/include/asm-sh/thread_info.h +++ b/include/asm-sh/thread_info.h @@ -106,6 +106,7 @@ static inline struct thread_info *current_thread_info(void) #define TIF_USEDFPU 16 /* FPU was used by this task this quantum (SMP) */ #define TIF_POLLING_NRFLAG 17 /* true if poll_idle() is polling TIF_NEED_RESCHED */ #define TIF_MEMDIE 18 +#define TIF_FREEZE 19 #define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE) #define _TIF_NOTIFY_RESUME (1<<TIF_NOTIFY_RESUME) @@ -114,6 +115,7 @@ static inline struct thread_info *current_thread_info(void) #define _TIF_RESTORE_SIGMASK (1<<TIF_RESTORE_SIGMASK) #define _TIF_USEDFPU (1<<TIF_USEDFPU) #define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG) +#define _TIF_FREEZE (1<<TIF_FREEZE) #define _TIF_WORK_MASK 0x000000FE /* work to do on interrupt/exception return */ #define _TIF_ALLWORK_MASK 0x000000FF /* work to do on any return to u-space */ diff --git a/include/asm-sh64/cacheflush.h b/include/asm-sh64/cacheflush.h index 55f71aa0aa6b8..1e53a47bdc975 100644 --- a/include/asm-sh64/cacheflush.h +++ b/include/asm-sh64/cacheflush.h @@ -21,6 +21,8 @@ extern void flush_icache_user_range(struct vm_area_struct *vma, struct page *page, unsigned long addr, int len); +#define flush_cache_dup_mm(mm) flush_cache_mm(mm) + #define flush_dcache_mmap_lock(mapping) do { } while (0) #define flush_dcache_mmap_unlock(mapping) do { } while (0) diff --git a/include/asm-sh64/pgalloc.h b/include/asm-sh64/pgalloc.h index b29dd468817e6..cb803e56cb64a 100644 --- a/include/asm-sh64/pgalloc.h +++ b/include/asm-sh64/pgalloc.h @@ -41,7 +41,7 @@ static inline void pgd_init(unsigned long page) static inline pgd_t *get_pgd_slow(void) { unsigned int pgd_size = (USER_PTRS_PER_PGD * sizeof(pgd_t)); - pgd_t *ret = (pgd_t *)kmalloc(pgd_size, GFP_KERNEL); + pgd_t *ret = kmalloc(pgd_size, GFP_KERNEL); return ret; } diff --git a/include/asm-sparc/bitops.h b/include/asm-sparc/bitops.h index 04aa3318f76aa..329e696e77516 100644 --- a/include/asm-sparc/bitops.h +++ b/include/asm-sparc/bitops.h @@ -14,6 +14,10 @@ #ifdef __KERNEL__ +extern unsigned long ___set_bit(unsigned long *addr, unsigned long mask); +extern unsigned long ___clear_bit(unsigned long *addr, unsigned long mask); +extern unsigned long ___change_bit(unsigned long *addr, unsigned long mask); + /* * Set bit 'nr' in 32-bit quantity at address 'addr' where bit '0' * is in the highest of the four bytes and bit '31' is the high bit @@ -22,134 +26,62 @@ */ static inline int test_and_set_bit(unsigned long nr, volatile unsigned long *addr) { - register unsigned long mask asm("g2"); - register unsigned long *ADDR asm("g1"); - register int tmp1 asm("g3"); - register int tmp2 asm("g4"); - register int tmp3 asm("g5"); - register int tmp4 asm("g7"); + unsigned long *ADDR, mask; ADDR = ((unsigned long *) addr) + (nr >> 5); mask = 1 << (nr & 31); - __asm__ __volatile__( - "mov %%o7, %%g4\n\t" - "call ___set_bit\n\t" - " add %%o7, 8, %%o7\n" - : "=&r" (mask), "=r" (tmp1), "=r" (tmp2), "=r" (tmp3), "=r" (tmp4) - : "0" (mask), "r" (ADDR) - : "memory", "cc"); - - return mask != 0; + return ___set_bit(ADDR, mask) != 0; } static inline void set_bit(unsigned long nr, volatile unsigned long *addr) { - register unsigned long mask asm("g2"); - register unsigned long *ADDR asm("g1"); - register int tmp1 asm("g3"); - register int tmp2 asm("g4"); - register int tmp3 asm("g5"); - register int tmp4 asm("g7"); + unsigned long *ADDR, mask; ADDR = ((unsigned long *) addr) + (nr >> 5); mask = 1 << (nr & 31); - __asm__ __volatile__( - "mov %%o7, %%g4\n\t" - "call ___set_bit\n\t" - " add %%o7, 8, %%o7\n" - : "=&r" (mask), "=r" (tmp1), "=r" (tmp2), "=r" (tmp3), "=r" (tmp4) - : "0" (mask), "r" (ADDR) - : "memory", "cc"); + (void) ___set_bit(ADDR, mask); } static inline int test_and_clear_bit(unsigned long nr, volatile unsigned long *addr) { - register unsigned long mask asm("g2"); - register unsigned long *ADDR asm("g1"); - register int tmp1 asm("g3"); - register int tmp2 asm("g4"); - register int tmp3 asm("g5"); - register int tmp4 asm("g7"); + unsigned long *ADDR, mask; ADDR = ((unsigned long *) addr) + (nr >> 5); mask = 1 << (nr & 31); - __asm__ __volatile__( - "mov %%o7, %%g4\n\t" - "call ___clear_bit\n\t" - " add %%o7, 8, %%o7\n" - : "=&r" (mask), "=r" (tmp1), "=r" (tmp2), "=r" (tmp3), "=r" (tmp4) - : "0" (mask), "r" (ADDR) - : "memory", "cc"); - - return mask != 0; + return ___clear_bit(ADDR, mask) != 0; } static inline void clear_bit(unsigned long nr, volatile unsigned long *addr) { - register unsigned long mask asm("g2"); - register unsigned long *ADDR asm("g1"); - register int tmp1 asm("g3"); - register int tmp2 asm("g4"); - register int tmp3 asm("g5"); - register int tmp4 asm("g7"); + unsigned long *ADDR, mask; ADDR = ((unsigned long *) addr) + (nr >> 5); mask = 1 << (nr & 31); - __asm__ __volatile__( - "mov %%o7, %%g4\n\t" - "call ___clear_bit\n\t" - " add %%o7, 8, %%o7\n" - : "=&r" (mask), "=r" (tmp1), "=r" (tmp2), "=r" (tmp3), "=r" (tmp4) - : "0" (mask), "r" (ADDR) - : "memory", "cc"); + (void) ___clear_bit(ADDR, mask); } static inline int test_and_change_bit(unsigned long nr, volatile unsigned long *addr) { - register unsigned long mask asm("g2"); - register unsigned long *ADDR asm("g1"); - register int tmp1 asm("g3"); - register int tmp2 asm("g4"); - register int tmp3 asm("g5"); - register int tmp4 asm("g7"); + unsigned long *ADDR, mask; ADDR = ((unsigned long *) addr) + (nr >> 5); mask = 1 << (nr & 31); - __asm__ __volatile__( - "mov %%o7, %%g4\n\t" - "call ___change_bit\n\t" - " add %%o7, 8, %%o7\n" - : "=&r" (mask), "=r" (tmp1), "=r" (tmp2), "=r" (tmp3), "=r" (tmp4) - : "0" (mask), "r" (ADDR) - : "memory", "cc"); - - return mask != 0; + return ___change_bit(ADDR, mask) != 0; } static inline void change_bit(unsigned long nr, volatile unsigned long *addr) { - register unsigned long mask asm("g2"); - register unsigned long *ADDR asm("g1"); - register int tmp1 asm("g3"); - register int tmp2 asm("g4"); - register int tmp3 asm("g5"); - register int tmp4 asm("g7"); + unsigned long *ADDR, mask; ADDR = ((unsigned long *) addr) + (nr >> 5); mask = 1 << (nr & 31); - __asm__ __volatile__( - "mov %%o7, %%g4\n\t" - "call ___change_bit\n\t" - " add %%o7, 8, %%o7\n" - : "=&r" (mask), "=r" (tmp1), "=r" (tmp2), "=r" (tmp3), "=r" (tmp4) - : "0" (mask), "r" (ADDR) - : "memory", "cc"); + (void) ___change_bit(ADDR, mask); } #include <asm-generic/bitops/non-atomic.h> diff --git a/include/asm-sparc/cacheflush.h b/include/asm-sparc/cacheflush.h index fc632f811cd83..68ac109102715 100644 --- a/include/asm-sparc/cacheflush.h +++ b/include/asm-sparc/cacheflush.h @@ -48,6 +48,7 @@ BTFIXUPDEF_CALL(void, flush_cache_page, struct vm_area_struct *, unsigned long) #define flush_cache_all() BTFIXUP_CALL(flush_cache_all)() #define flush_cache_mm(mm) BTFIXUP_CALL(flush_cache_mm)(mm) +#define flush_cache_dup_mm(mm) BTFIXUP_CALL(flush_cache_mm)(mm) #define flush_cache_range(vma,start,end) BTFIXUP_CALL(flush_cache_range)(vma,start,end) #define flush_cache_page(vma,addr,pfn) BTFIXUP_CALL(flush_cache_page)(vma,addr) #define flush_icache_range(start, end) do { } while (0) diff --git a/include/asm-sparc64/cacheflush.h b/include/asm-sparc64/cacheflush.h index 745d1ab603719..122e4058dd9ec 100644 --- a/include/asm-sparc64/cacheflush.h +++ b/include/asm-sparc64/cacheflush.h @@ -12,6 +12,7 @@ /* These are the same regardless of whether this is an SMP kernel or not. */ #define flush_cache_mm(__mm) \ do { if ((__mm) == current->mm) flushw_user(); } while(0) +#define flush_cache_dup_mm(mm) flush_cache_mm(mm) #define flush_cache_range(vma, start, end) \ flush_cache_mm((vma)->vm_mm) #define flush_cache_page(vma, page, pfn) \ diff --git a/include/asm-sparc64/hw_irq.h b/include/asm-sparc64/hw_irq.h index 599b3b0734502..8e44a8360829e 100644 --- a/include/asm-sparc64/hw_irq.h +++ b/include/asm-sparc64/hw_irq.h @@ -1,6 +1,4 @@ #ifndef __ASM_SPARC64_HW_IRQ_H #define __ASM_SPARC64_HW_IRQ_H -extern void hw_resend_irq(struct hw_interrupt_type *handler, unsigned int virt_irq); - #endif diff --git a/include/asm-sparc64/percpu.h b/include/asm-sparc64/percpu.h index ced8cbde046da..0d3df76aa47fd 100644 --- a/include/asm-sparc64/percpu.h +++ b/include/asm-sparc64/percpu.h @@ -5,6 +5,16 @@ #ifdef CONFIG_SMP +#ifdef CONFIG_MODULES +# define PERCPU_MODULE_RESERVE 8192 +#else +# define PERCPU_MODULE_RESERVE 0 +#endif + +#define PERCPU_ENOUGH_ROOM \ + (ALIGN(__per_cpu_end - __per_cpu_start, SMP_CACHE_BYTES) + \ + PERCPU_MODULE_RESERVE) + extern void setup_per_cpu_areas(void); extern unsigned long __per_cpu_base; diff --git a/include/asm-v850/cacheflush.h b/include/asm-v850/cacheflush.h index e1a87f82f1a4b..9ece05a202ef7 100644 --- a/include/asm-v850/cacheflush.h +++ b/include/asm-v850/cacheflush.h @@ -24,6 +24,7 @@ systems with MMUs, so we don't need them. */ #define flush_cache_all() ((void)0) #define flush_cache_mm(mm) ((void)0) +#define flush_cache_dup_mm(mm) ((void)0) #define flush_cache_range(vma, start, end) ((void)0) #define flush_cache_page(vma, vmaddr, pfn) ((void)0) #define flush_dcache_page(page) ((void)0) diff --git a/include/asm-x86_64/cacheflush.h b/include/asm-x86_64/cacheflush.h index d32f7f58752a7..ab1cb5c7dc929 100644 --- a/include/asm-x86_64/cacheflush.h +++ b/include/asm-x86_64/cacheflush.h @@ -7,6 +7,7 @@ /* Caches aren't brain-dead on the intel. */ #define flush_cache_all() do { } while (0) #define flush_cache_mm(mm) do { } while (0) +#define flush_cache_dup_mm(mm) do { } while (0) #define flush_cache_range(vma, start, end) do { } while (0) #define flush_cache_page(vma, vmaddr, pfn) do { } while (0) #define flush_dcache_page(page) do { } while (0) diff --git a/include/asm-x86_64/thread_info.h b/include/asm-x86_64/thread_info.h index 787a08114b484..74a6c74397f72 100644 --- a/include/asm-x86_64/thread_info.h +++ b/include/asm-x86_64/thread_info.h @@ -122,6 +122,7 @@ static inline struct thread_info *stack_thread_info(void) #define TIF_MEMDIE 20 #define TIF_DEBUG 21 /* uses debug registers */ #define TIF_IO_BITMAP 22 /* uses I/O bitmap */ +#define TIF_FREEZE 23 /* is freezing for suspend */ #define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE) #define _TIF_NOTIFY_RESUME (1<<TIF_NOTIFY_RESUME) @@ -137,6 +138,7 @@ static inline struct thread_info *stack_thread_info(void) #define _TIF_ABI_PENDING (1<<TIF_ABI_PENDING) #define _TIF_DEBUG (1<<TIF_DEBUG) #define _TIF_IO_BITMAP (1<<TIF_IO_BITMAP) +#define _TIF_FREEZE (1<<TIF_FREEZE) /* work to do on interrupt/exception return */ #define _TIF_WORK_MASK \ diff --git a/include/asm-x86_64/unwind.h b/include/asm-x86_64/unwind.h index 2f6349e487176..02710f6a45609 100644 --- a/include/asm-x86_64/unwind.h +++ b/include/asm-x86_64/unwind.h @@ -1,100 +1,6 @@ #ifndef _ASM_X86_64_UNWIND_H #define _ASM_X86_64_UNWIND_H -/* - * Copyright (C) 2002-2006 Novell, Inc. - * Jan Beulich <jbeulich@novell.com> - * This code is released under version 2 of the GNU GPL. - */ - -#ifdef CONFIG_STACK_UNWIND - -#include <linux/sched.h> -#include <asm/ptrace.h> -#include <asm/uaccess.h> -#include <asm/vsyscall.h> - -struct unwind_frame_info -{ - struct pt_regs regs; - struct task_struct *task; - unsigned call_frame:1; -}; - -#define UNW_PC(frame) (frame)->regs.rip -#define UNW_SP(frame) (frame)->regs.rsp -#ifdef CONFIG_FRAME_POINTER -#define UNW_FP(frame) (frame)->regs.rbp -#define FRAME_RETADDR_OFFSET 8 -#define FRAME_LINK_OFFSET 0 -#define STACK_BOTTOM(tsk) (((tsk)->thread.rsp0 - 1) & ~(THREAD_SIZE - 1)) -#define STACK_TOP(tsk) ((tsk)->thread.rsp0) -#endif -/* Might need to account for the special exception and interrupt handling - stacks here, since normally - EXCEPTION_STACK_ORDER < THREAD_ORDER < IRQSTACK_ORDER, - but the construct is needed only for getting across the stack switch to - the interrupt stack - thus considering the IRQ stack itself is unnecessary, - and the overhead of comparing against all exception handling stacks seems - not desirable. */ -#define STACK_LIMIT(ptr) (((ptr) - 1) & ~(THREAD_SIZE - 1)) - -#define UNW_REGISTER_INFO \ - PTREGS_INFO(rax), \ - PTREGS_INFO(rdx), \ - PTREGS_INFO(rcx), \ - PTREGS_INFO(rbx), \ - PTREGS_INFO(rsi), \ - PTREGS_INFO(rdi), \ - PTREGS_INFO(rbp), \ - PTREGS_INFO(rsp), \ - PTREGS_INFO(r8), \ - PTREGS_INFO(r9), \ - PTREGS_INFO(r10), \ - PTREGS_INFO(r11), \ - PTREGS_INFO(r12), \ - PTREGS_INFO(r13), \ - PTREGS_INFO(r14), \ - PTREGS_INFO(r15), \ - PTREGS_INFO(rip) - -#define UNW_DEFAULT_RA(raItem, dataAlign) \ - ((raItem).where == Memory && \ - !((raItem).value * (dataAlign) + 8)) - -static inline void arch_unw_init_frame_info(struct unwind_frame_info *info, - /*const*/ struct pt_regs *regs) -{ - info->regs = *regs; -} - -static inline void arch_unw_init_blocked(struct unwind_frame_info *info) -{ - extern const char thread_return[]; - - memset(&info->regs, 0, sizeof(info->regs)); - info->regs.rip = (unsigned long)thread_return; - info->regs.cs = __KERNEL_CS; - __get_user(info->regs.rbp, (unsigned long *)info->task->thread.rsp); - info->regs.rsp = info->task->thread.rsp; - info->regs.ss = __KERNEL_DS; -} - -extern int arch_unwind_init_running(struct unwind_frame_info *, - int (*callback)(struct unwind_frame_info *, - void *arg), - void *arg); - -static inline int arch_unw_user_mode(const struct unwind_frame_info *info) -{ - return user_mode(&info->regs) - || (long)info->regs.rip >= 0 - || (info->regs.rip >= VSYSCALL_START && info->regs.rip < VSYSCALL_END) - || (long)info->regs.rsp >= 0; -} - -#else - #define UNW_PC(frame) ((void)(frame), 0UL) #define UNW_SP(frame) ((void)(frame), 0UL) @@ -103,6 +9,4 @@ static inline int arch_unw_user_mode(const void *info) return 0; } -#endif - #endif /* _ASM_X86_64_UNWIND_H */ diff --git a/include/asm-xtensa/cacheflush.h b/include/asm-xtensa/cacheflush.h index 337765b629de0..22ef901b7845f 100644 --- a/include/asm-xtensa/cacheflush.h +++ b/include/asm-xtensa/cacheflush.h @@ -75,6 +75,7 @@ extern void __flush_invalidate_dcache_range(unsigned long, unsigned long); #define flush_cache_all() __flush_invalidate_cache_all(); #define flush_cache_mm(mm) __flush_invalidate_cache_all(); +#define flush_cache_dup_mm(mm) __flush_invalidate_cache_all(); #define flush_cache_vmap(start,end) __flush_invalidate_cache_all(); #define flush_cache_vunmap(start,end) __flush_invalidate_cache_all(); @@ -88,6 +89,7 @@ extern void flush_cache_page(struct vm_area_struct*, unsigned long, unsigned lon #define flush_cache_all() do { } while (0) #define flush_cache_mm(mm) do { } while (0) +#define flush_cache_dup_mm(mm) do { } while (0) #define flush_cache_vmap(start,end) do { } while (0) #define flush_cache_vunmap(start,end) do { } while (0) diff --git a/include/asm-xtensa/termbits.h b/include/asm-xtensa/termbits.h index c780593ff5f90..057b9a3d8f831 100644 --- a/include/asm-xtensa/termbits.h +++ b/include/asm-xtensa/termbits.h @@ -30,6 +30,17 @@ struct termios { cc_t c_cc[NCCS]; /* control characters */ }; +struct ktermios { + tcflag_t c_iflag; /* input mode flags */ + tcflag_t c_oflag; /* output mode flags */ + tcflag_t c_cflag; /* control mode flags */ + tcflag_t c_lflag; /* local mode flags */ + cc_t c_line; /* line discipline */ + cc_t c_cc[NCCS]; /* control characters */ + speed_t c_ispeed; /* input speed */ + speed_t c_ospeed; /* output speed */ +}; + /* c_cc characters */ #define VINTR 0 diff --git a/include/asm-xtensa/uaccess.h b/include/asm-xtensa/uaccess.h index 88a64e1144d5c..d6352da05b10b 100644 --- a/include/asm-xtensa/uaccess.h +++ b/include/asm-xtensa/uaccess.h @@ -23,7 +23,6 @@ #ifdef __ASSEMBLY__ -#define _ASMLANGUAGE #include <asm/current.h> #include <asm/asm-offsets.h> #include <asm/processor.h> diff --git a/include/linux/aio.h b/include/linux/aio.h index 3372ec6bf53a2..a30ef13c9e622 100644 --- a/include/linux/aio.h +++ b/include/linux/aio.h @@ -105,6 +105,7 @@ struct kiocb { wait_queue_t ki_wait; loff_t ki_pos; + atomic_t ki_bio_count; /* num bio used for this iocb */ void *private; /* State that we remember to be able to restart/retry */ unsigned short ki_opcode; diff --git a/include/linux/bio.h b/include/linux/bio.h index 092dbd0e76586..08daf3272c028 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -309,6 +309,7 @@ extern struct bio *bio_map_kern(struct request_queue *, void *, unsigned int, gfp_t); extern void bio_set_pages_dirty(struct bio *bio); extern void bio_check_pages_dirty(struct bio *bio); +extern void bio_release_pages(struct bio *bio); extern struct bio *bio_copy_user(struct request_queue *, unsigned long, unsigned int, int); extern int bio_uncopy_user(struct bio *); void zero_fill_bio(struct bio *bio); diff --git a/include/linux/coda_linux.h b/include/linux/coda_linux.h index be512cc98791a..4c2632a8d31b9 100644 --- a/include/linux/coda_linux.h +++ b/include/linux/coda_linux.h @@ -64,7 +64,7 @@ void coda_sysctl_clean(void); #define CODA_ALLOC(ptr, cast, size) do { \ if (size < PAGE_SIZE) \ - ptr = (cast)kmalloc((unsigned long) size, GFP_KERNEL); \ + ptr = kmalloc((unsigned long) size, GFP_KERNEL); \ else \ ptr = (cast)vmalloc((unsigned long) size); \ if (!ptr) \ diff --git a/include/linux/cpuset.h b/include/linux/cpuset.h index 8821e1f75b447..826b15e914e2b 100644 --- a/include/linux/cpuset.h +++ b/include/linux/cpuset.h @@ -30,10 +30,19 @@ void cpuset_update_task_memory_state(void); nodes_subset((nodes), current->mems_allowed) int cpuset_zonelist_valid_mems_allowed(struct zonelist *zl); -extern int __cpuset_zone_allowed(struct zone *z, gfp_t gfp_mask); -static int inline cpuset_zone_allowed(struct zone *z, gfp_t gfp_mask) +extern int __cpuset_zone_allowed_softwall(struct zone *z, gfp_t gfp_mask); +extern int __cpuset_zone_allowed_hardwall(struct zone *z, gfp_t gfp_mask); + +static int inline cpuset_zone_allowed_softwall(struct zone *z, gfp_t gfp_mask) +{ + return number_of_cpusets <= 1 || + __cpuset_zone_allowed_softwall(z, gfp_mask); +} + +static int inline cpuset_zone_allowed_hardwall(struct zone *z, gfp_t gfp_mask) { - return number_of_cpusets <= 1 || __cpuset_zone_allowed(z, gfp_mask); + return number_of_cpusets <= 1 || + __cpuset_zone_allowed_hardwall(z, gfp_mask); } extern int cpuset_excl_nodes_overlap(const struct task_struct *p); @@ -94,7 +103,12 @@ static inline int cpuset_zonelist_valid_mems_allowed(struct zonelist *zl) return 1; } -static inline int cpuset_zone_allowed(struct zone *z, gfp_t gfp_mask) +static inline int cpuset_zone_allowed_softwall(struct zone *z, gfp_t gfp_mask) +{ + return 1; +} + +static inline int cpuset_zone_allowed_hardwall(struct zone *z, gfp_t gfp_mask) { return 1; } diff --git a/include/linux/fb.h b/include/linux/fb.h index 6fe56aaa6685c..64177ec9a0191 100644 --- a/include/linux/fb.h +++ b/include/linux/fb.h @@ -929,8 +929,6 @@ extern void fb_bl_default_curve(struct fb_info *fb_info, u8 off, u8 min, u8 max) #define FB_MODE_IS_FIRST 16 #define FB_MODE_IS_FROM_VAR 32 -extern int fbmon_valid_timings(u_int pixclock, u_int htotal, u_int vtotal, - const struct fb_info *fb_info); extern int fbmon_dpms(const struct fb_info *fb_info); extern int fb_get_mode(int flags, u32 val, struct fb_var_screeninfo *var, struct fb_info *info); diff --git a/include/linux/freezer.h b/include/linux/freezer.h index 393063096134d..5e75e26d47872 100644 --- a/include/linux/freezer.h +++ b/include/linux/freezer.h @@ -16,16 +16,15 @@ static inline int frozen(struct task_struct *p) */ static inline int freezing(struct task_struct *p) { - return p->flags & PF_FREEZE; + return test_tsk_thread_flag(p, TIF_FREEZE); } /* * Request that a process be frozen - * FIXME: SMP problem. We may not modify other process' flags! */ static inline void freeze(struct task_struct *p) { - p->flags |= PF_FREEZE; + set_tsk_thread_flag(p, TIF_FREEZE); } /* @@ -33,7 +32,7 @@ static inline void freeze(struct task_struct *p) */ static inline void do_not_freeze(struct task_struct *p) { - p->flags &= ~PF_FREEZE; + clear_tsk_thread_flag(p, TIF_FREEZE); } /* @@ -54,7 +53,9 @@ static inline int thaw_process(struct task_struct *p) */ static inline void frozen_process(struct task_struct *p) { - p->flags = (p->flags & ~PF_FREEZE) | PF_FROZEN; + p->flags |= PF_FROZEN; + wmb(); + clear_tsk_thread_flag(p, TIF_FREEZE); } extern void refrigerator(void); diff --git a/include/linux/fs.h b/include/linux/fs.h index adce6e1d70c2c..186da813541e5 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -120,6 +120,7 @@ extern int dir_notify_enable; #define MS_PRIVATE (1<<18) /* change to private */ #define MS_SLAVE (1<<19) /* change to slave */ #define MS_SHARED (1<<20) /* change to shared */ +#define MS_RELATIME (1<<21) /* Update atime relative to mtime/ctime. */ #define MS_ACTIVE (1<<30) #define MS_NOUSER (1<<31) diff --git a/include/linux/gameport.h b/include/linux/gameport.h index 2cdba0c239570..afad952728418 100644 --- a/include/linux/gameport.h +++ b/include/linux/gameport.h @@ -105,7 +105,7 @@ static inline void gameport_set_phys(struct gameport *gameport, static inline struct gameport *gameport_allocate_port(void) { - struct gameport *gameport = kcalloc(1, sizeof(struct gameport), GFP_KERNEL); + struct gameport *gameport = kzalloc(sizeof(struct gameport), GFP_KERNEL); return gameport; } diff --git a/include/linux/highmem.h b/include/linux/highmem.h index 3d8768b619e9e..ca9a602cffd7a 100644 --- a/include/linux/highmem.h +++ b/include/linux/highmem.h @@ -96,7 +96,10 @@ static inline void memclear_highpage_flush(struct page *page, unsigned int offse kunmap_atomic(kaddr, KM_USER0); } -static inline void copy_user_highpage(struct page *to, struct page *from, unsigned long vaddr) +#ifndef __HAVE_ARCH_COPY_USER_HIGHPAGE + +static inline void copy_user_highpage(struct page *to, struct page *from, + unsigned long vaddr, struct vm_area_struct *vma) { char *vfrom, *vto; @@ -109,6 +112,8 @@ static inline void copy_user_highpage(struct page *to, struct page *from, unsign smp_wmb(); } +#endif + static inline void copy_highpage(struct page *to, struct page *from) { char *vfrom, *vto; diff --git a/include/linux/i2c-id.h b/include/linux/i2c-id.h index 7ae3c3326643a..d38778f2fbece 100644 --- a/include/linux/i2c-id.h +++ b/include/linux/i2c-id.h @@ -142,7 +142,6 @@ #define I2C_DRIVERID_MTP008 1023 #define I2C_DRIVERID_DS1621 1024 #define I2C_DRIVERID_ADM1024 1025 -#define I2C_DRIVERID_IT87 1026 #define I2C_DRIVERID_CH700X 1027 /* single driver for CH7003-7009 digital pc to tv encoders */ #define I2C_DRIVERID_FSCPOS 1028 #define I2C_DRIVERID_FSCSCY 1029 diff --git a/include/linux/init_task.h b/include/linux/init_task.h index b5315150199e9..6383d2d83bb0c 100644 --- a/include/linux/init_task.h +++ b/include/linux/init_task.h @@ -75,7 +75,6 @@ extern struct nsproxy init_nsproxy; .pid_ns = &init_pid_ns, \ .count = ATOMIC_INIT(1), \ .nslock = __SPIN_LOCK_UNLOCKED(nsproxy.nslock), \ - .id = 0, \ .uts_ns = &init_uts_ns, \ .mnt_ns = NULL, \ INIT_IPC_NS(ipc_ns) \ diff --git a/include/linux/lockd/bind.h b/include/linux/lockd/bind.h index aa50d89eacd77..246de1d84a267 100644 --- a/include/linux/lockd/bind.h +++ b/include/linux/lockd/bind.h @@ -23,7 +23,7 @@ struct svc_rqst; * This is the set of functions for lockd->nfsd communication */ struct nlmsvc_binding { - u32 (*fopen)(struct svc_rqst *, + __be32 (*fopen)(struct svc_rqst *, struct nfs_fh *, struct file **); void (*fclose)(struct file *); diff --git a/include/linux/lockd/lockd.h b/include/linux/lockd/lockd.h index 0c962b82a9deb..ac25b5649c594 100644 --- a/include/linux/lockd/lockd.h +++ b/include/linux/lockd/lockd.h @@ -191,7 +191,7 @@ __be32 nlmsvc_cancel_blocked(struct nlm_file *, struct nlm_lock *); unsigned long nlmsvc_retry_blocked(void); void nlmsvc_traverse_blocks(struct nlm_host *, struct nlm_file *, nlm_host_match_fn_t match); -void nlmsvc_grant_reply(struct nlm_cookie *, u32); +void nlmsvc_grant_reply(struct nlm_cookie *, __be32); /* * File handling for the server personality diff --git a/include/linux/lockd/sm_inter.h b/include/linux/lockd/sm_inter.h index fc61d40964dad..22a645828f268 100644 --- a/include/linux/lockd/sm_inter.h +++ b/include/linux/lockd/sm_inter.h @@ -24,7 +24,7 @@ * Arguments for all calls to statd */ struct nsm_args { - u32 addr; /* remote address */ + __be32 addr; /* remote address */ u32 prog; /* RPC callback info */ u32 vers; u32 proc; diff --git a/include/linux/lockd/xdr.h b/include/linux/lockd/xdr.h index 29e7d9fc9dad6..83a1f9f6237b5 100644 --- a/include/linux/lockd/xdr.h +++ b/include/linux/lockd/xdr.h @@ -69,7 +69,7 @@ typedef struct nlm_args nlm_args; */ struct nlm_res { struct nlm_cookie cookie; - u32 status; + __be32 status; struct nlm_lock lock; }; @@ -80,9 +80,9 @@ struct nlm_reboot { char * mon; int len; u32 state; - u32 addr; - u32 vers; - u32 proto; + __be32 addr; + __be32 vers; + __be32 proto; }; /* diff --git a/include/linux/lockdep.h b/include/linux/lockdep.h index 498bfbd3b4e1a..ea097dddc44f7 100644 --- a/include/linux/lockdep.h +++ b/include/linux/lockdep.h @@ -281,15 +281,25 @@ struct lock_class_key { }; #if defined(CONFIG_TRACE_IRQFLAGS) && defined(CONFIG_GENERIC_HARDIRQS) extern void early_init_irq_lock_class(void); #else -# define early_init_irq_lock_class() do { } while (0) +static inline void early_init_irq_lock_class(void) +{ +} #endif #ifdef CONFIG_TRACE_IRQFLAGS extern void early_boot_irqs_off(void); extern void early_boot_irqs_on(void); +extern void print_irqtrace_events(struct task_struct *curr); #else -# define early_boot_irqs_off() do { } while (0) -# define early_boot_irqs_on() do { } while (0) +static inline void early_boot_irqs_off(void) +{ +} +static inline void early_boot_irqs_on(void) +{ +} +static inline void print_irqtrace_events(struct task_struct *curr) +{ +} #endif /* diff --git a/include/linux/mount.h b/include/linux/mount.h index e357dc86a4de3..1b7e178b0d847 100644 --- a/include/linux/mount.h +++ b/include/linux/mount.h @@ -27,6 +27,7 @@ struct mnt_namespace; #define MNT_NOEXEC 0x04 #define MNT_NOATIME 0x08 #define MNT_NODIRATIME 0x10 +#define MNT_RELATIME 0x20 #define MNT_SHRINKABLE 0x100 diff --git a/include/linux/n_r3964.h b/include/linux/n_r3964.h index db4f3776978aa..de24af79ebd3b 100644 --- a/include/linux/n_r3964.h +++ b/include/linux/n_r3964.h @@ -116,7 +116,7 @@ struct r3964_message; struct r3964_client_info { spinlock_t lock; - pid_t pid; + struct pid *pid; unsigned int sig_flags; struct r3964_client_info *next; diff --git a/include/linux/ncp_mount.h b/include/linux/ncp_mount.h index f46bddcdbd3be..a2b549eb1ecaf 100644 --- a/include/linux/ncp_mount.h +++ b/include/linux/ncp_mount.h @@ -75,7 +75,7 @@ struct ncp_mount_data_kernel { unsigned int int_flags; /* internal flags */ #define NCP_IMOUNT_LOGGEDIN_POSSIBLE 0x0001 __kernel_uid32_t mounted_uid; /* Who may umount() this filesystem? */ - __kernel_pid_t wdog_pid; /* Who cares for our watchdog packets? */ + struct pid *wdog_pid; /* Who cares for our watchdog packets? */ unsigned int ncp_fd; /* The socket to the ncp port */ unsigned int time_out; /* How long should I wait after sending a NCP request? */ diff --git a/include/linux/netfilter_bridge.h b/include/linux/netfilter_bridge.h index 6c4613f8ad75e..55689f39f77a6 100644 --- a/include/linux/netfilter_bridge.h +++ b/include/linux/netfilter_bridge.h @@ -68,7 +68,6 @@ struct bridge_skb_cb { } daddr; }; -extern int brnf_deferred_hooks; #else #define nf_bridge_maybe_copy_header(skb) (0) #define nf_bridge_pad(skb) (0) diff --git a/include/linux/netfilter_ipv4.h b/include/linux/netfilter_ipv4.h index 5821eb5a0a3ec..ceae87a4c8911 100644 --- a/include/linux/netfilter_ipv4.h +++ b/include/linux/netfilter_ipv4.h @@ -57,10 +57,8 @@ enum nf_ip_hook_priorities { NF_IP_PRI_RAW = -300, NF_IP_PRI_SELINUX_FIRST = -225, NF_IP_PRI_CONNTRACK = -200, - NF_IP_PRI_BRIDGE_SABOTAGE_FORWARD = -175, NF_IP_PRI_MANGLE = -150, NF_IP_PRI_NAT_DST = -100, - NF_IP_PRI_BRIDGE_SABOTAGE_LOCAL_OUT = -50, NF_IP_PRI_FILTER = 0, NF_IP_PRI_NAT_SRC = 100, NF_IP_PRI_SELINUX_LAST = 225, diff --git a/include/linux/netfilter_ipv6.h b/include/linux/netfilter_ipv6.h index ab81a6dc94ea7..66ca8e3100dca 100644 --- a/include/linux/netfilter_ipv6.h +++ b/include/linux/netfilter_ipv6.h @@ -62,10 +62,8 @@ enum nf_ip6_hook_priorities { NF_IP6_PRI_CONNTRACK_DEFRAG = -400, NF_IP6_PRI_SELINUX_FIRST = -225, NF_IP6_PRI_CONNTRACK = -200, - NF_IP6_PRI_BRIDGE_SABOTAGE_FORWARD = -175, NF_IP6_PRI_MANGLE = -150, NF_IP6_PRI_NAT_DST = -100, - NF_IP6_PRI_BRIDGE_SABOTAGE_LOCAL_OUT = -50, NF_IP6_PRI_FILTER = 0, NF_IP6_PRI_NAT_SRC = 100, NF_IP6_PRI_SELINUX_LAST = 225, diff --git a/include/linux/nfsd/nfsd.h b/include/linux/nfsd/nfsd.h index edb54c3171b35..0727774772bab 100644 --- a/include/linux/nfsd/nfsd.h +++ b/include/linux/nfsd/nfsd.h @@ -275,12 +275,12 @@ static inline int is_fsid(struct svc_fh *fh, struct knfsd_fh *reffh) * we might process an operation with side effects, and be unable to * tell the client that the operation succeeded. * - * COMPOUND_SLACK_SPACE - this is the minimum amount of buffer space + * COMPOUND_SLACK_SPACE - this is the minimum bytes of buffer space * needed to encode an "ordinary" _successful_ operation. (GETATTR, * READ, READDIR, and READLINK have their own buffer checks.) if we * fall below this level, we fail the next operation with NFS4ERR_RESOURCE. * - * COMPOUND_ERR_SLACK_SPACE - this is the minimum amount of buffer space + * COMPOUND_ERR_SLACK_SPACE - this is the minimum bytes of buffer space * needed to encode an operation which has failed with NFS4ERR_RESOURCE. * care is taken to ensure that we never fall below this level for any * reason. diff --git a/include/linux/nfsd/state.h b/include/linux/nfsd/state.h index c3673f487e841..ab5c236bd9a7c 100644 --- a/include/linux/nfsd/state.h +++ b/include/linux/nfsd/state.h @@ -273,7 +273,6 @@ struct nfs4_stateid { ((err) != nfserr_stale_stateid) && \ ((err) != nfserr_bad_stateid)) -extern __be32 nfsd4_renew(clientid_t *clid); extern __be32 nfs4_preprocess_stateid_op(struct svc_fh *current_fh, stateid_t *stateid, int flags, struct file **filp); extern void nfs4_lock_state(void); diff --git a/include/linux/nfsd/xdr4.h b/include/linux/nfsd/xdr4.h index 45ca01b5f844f..09799bcee0ac6 100644 --- a/include/linux/nfsd/xdr4.h +++ b/include/linux/nfsd/xdr4.h @@ -44,6 +44,12 @@ #define NFSD4_MAX_TAGLEN 128 #define XDR_LEN(n) (((n) + 3) & ~3) +struct nfsd4_compound_state { + struct svc_fh current_fh; + struct svc_fh save_fh; + struct nfs4_stateowner *replay_owner; +}; + struct nfsd4_change_info { u32 atomic; u32 before_ctime_sec; @@ -430,35 +436,39 @@ __be32 nfsd4_encode_fattr(struct svc_fh *fhp, struct svc_export *exp, struct dentry *dentry, __be32 *buffer, int *countp, u32 *bmval, struct svc_rqst *); extern __be32 nfsd4_setclientid(struct svc_rqst *rqstp, + struct nfsd4_compound_state *, struct nfsd4_setclientid *setclid); extern __be32 nfsd4_setclientid_confirm(struct svc_rqst *rqstp, + struct nfsd4_compound_state *, struct nfsd4_setclientid_confirm *setclientid_confirm); extern __be32 nfsd4_process_open1(struct nfsd4_open *open); extern __be32 nfsd4_process_open2(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_open *open); extern __be32 nfsd4_open_confirm(struct svc_rqst *rqstp, - struct svc_fh *current_fh, struct nfsd4_open_confirm *oc, - struct nfs4_stateowner **); -extern __be32 nfsd4_close(struct svc_rqst *rqstp, struct svc_fh *current_fh, - struct nfsd4_close *close, - struct nfs4_stateowner **replay_owner); + struct nfsd4_compound_state *, struct nfsd4_open_confirm *oc); +extern __be32 nfsd4_close(struct svc_rqst *rqstp, + struct nfsd4_compound_state *, + struct nfsd4_close *close); extern __be32 nfsd4_open_downgrade(struct svc_rqst *rqstp, - struct svc_fh *current_fh, struct nfsd4_open_downgrade *od, - struct nfs4_stateowner **replay_owner); -extern __be32 nfsd4_lock(struct svc_rqst *rqstp, struct svc_fh *current_fh, - struct nfsd4_lock *lock, - struct nfs4_stateowner **replay_owner); -extern __be32 nfsd4_lockt(struct svc_rqst *rqstp, struct svc_fh *current_fh, + struct nfsd4_compound_state *, + struct nfsd4_open_downgrade *od); +extern __be32 nfsd4_lock(struct svc_rqst *rqstp, struct nfsd4_compound_state *, + struct nfsd4_lock *lock); +extern __be32 nfsd4_lockt(struct svc_rqst *rqstp, + struct nfsd4_compound_state *, struct nfsd4_lockt *lockt); -extern __be32 nfsd4_locku(struct svc_rqst *rqstp, struct svc_fh *current_fh, - struct nfsd4_locku *locku, - struct nfs4_stateowner **replay_owner); +extern __be32 nfsd4_locku(struct svc_rqst *rqstp, + struct nfsd4_compound_state *, + struct nfsd4_locku *locku); extern __be32 nfsd4_release_lockowner(struct svc_rqst *rqstp, + struct nfsd4_compound_state *, struct nfsd4_release_lockowner *rlockowner); extern void nfsd4_release_compoundargs(struct nfsd4_compoundargs *); extern __be32 nfsd4_delegreturn(struct svc_rqst *rqstp, - struct svc_fh *current_fh, struct nfsd4_delegreturn *dr); + struct nfsd4_compound_state *, struct nfsd4_delegreturn *dr); +extern __be32 nfsd4_renew(struct svc_rqst *rqstp, + struct nfsd4_compound_state *, clientid_t *clid); #endif /* diff --git a/include/linux/nsproxy.h b/include/linux/nsproxy.h index fdfb0e44912f1..0b9f0dc30d611 100644 --- a/include/linux/nsproxy.h +++ b/include/linux/nsproxy.h @@ -24,7 +24,6 @@ struct pid_namespace; struct nsproxy { atomic_t count; spinlock_t nslock; - unsigned long id; struct uts_namespace *uts_ns; struct ipc_namespace *ipc_ns; struct mnt_namespace *mnt_ns; diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h index 51180dba9a981..95c1e74afebcc 100644 --- a/include/linux/pci_ids.h +++ b/include/linux/pci_ids.h @@ -2067,6 +2067,10 @@ #define PCI_DEVICE_ID_JMICRON_JMB366 0x2366 #define PCI_DEVICE_ID_JMICRON_JMB368 0x2368 +#define PCI_VENDOR_ID_KORENIX 0x1982 +#define PCI_DEVICE_ID_KORENIX_JETCARDF0 0x1600 +#define PCI_DEVICE_ID_KORENIX_JETCARDF1 0x16ff + #define PCI_VENDOR_ID_TEKRAM 0x1de1 #define PCI_DEVICE_ID_TEKRAM_DC290 0xdc29 diff --git a/include/linux/pipe_fs_i.h b/include/linux/pipe_fs_i.h index ea4f7cd7bfd85..2e19478e9e84f 100644 --- a/include/linux/pipe_fs_i.h +++ b/include/linux/pipe_fs_i.h @@ -12,7 +12,7 @@ struct pipe_buffer { struct page *page; unsigned int offset, len; - struct pipe_buf_operations *ops; + const struct pipe_buf_operations *ops; unsigned int flags; }; @@ -41,9 +41,7 @@ struct pipe_buf_operations { struct pipe_inode_info { wait_queue_head_t wait; unsigned int nrbufs, curbuf; - struct pipe_buffer bufs[PIPE_BUFFERS]; struct page *tmp_page; - unsigned int start; unsigned int readers; unsigned int writers; unsigned int waiting_writers; @@ -52,6 +50,7 @@ struct pipe_inode_info { struct fasync_struct *fasync_readers; struct fasync_struct *fasync_writers; struct inode *inode; + struct pipe_buffer bufs[PIPE_BUFFERS]; }; /* Differs from PIPE_BUF in that PIPE_SIZE is the length of the actual diff --git a/include/linux/platform_device.h b/include/linux/platform_device.h index 20f47b81d3fad..8bbd459eafdcb 100644 --- a/include/linux/platform_device.h +++ b/include/linux/platform_device.h @@ -39,7 +39,7 @@ extern struct platform_device *platform_device_register_simple(char *, unsigned extern struct platform_device *platform_device_alloc(const char *name, unsigned int id); extern int platform_device_add_resources(struct platform_device *pdev, struct resource *res, unsigned int num); -extern int platform_device_add_data(struct platform_device *pdev, void *data, size_t size); +extern int platform_device_add_data(struct platform_device *pdev, const void *data, size_t size); extern int platform_device_add(struct platform_device *pdev); extern void platform_device_del(struct platform_device *pdev); extern void platform_device_put(struct platform_device *pdev); diff --git a/include/linux/reciprocal_div.h b/include/linux/reciprocal_div.h new file mode 100644 index 0000000000000..f9c90b33285b2 --- /dev/null +++ b/include/linux/reciprocal_div.h @@ -0,0 +1,32 @@ +#ifndef _LINUX_RECIPROCAL_DIV_H +#define _LINUX_RECIPROCAL_DIV_H + +#include <linux/types.h> + +/* + * This file describes reciprocical division. + * + * This optimizes the (A/B) problem, when A and B are two u32 + * and B is a known value (but not known at compile time) + * + * The math principle used is : + * Let RECIPROCAL_VALUE(B) be (((1LL << 32) + (B - 1))/ B) + * Then A / B = (u32)(((u64)(A) * (R)) >> 32) + * + * This replaces a divide by a multiply (and a shift), and + * is generally less expensive in CPU cycles. + */ + +/* + * Computes the reciprocal value (R) for the value B of the divisor. + * Should not be called before each reciprocal_divide(), + * or else the performance is slower than a normal divide. + */ +extern u32 reciprocal_value(u32 B); + + +static inline u32 reciprocal_divide(u32 A, u32 R) +{ + return (u32)(((u64)A * R) >> 32); +} +#endif diff --git a/include/linux/sched.h b/include/linux/sched.h index ea92e5c890894..4463735351904 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1144,7 +1144,6 @@ static inline void put_task_struct(struct task_struct *t) #define PF_MEMALLOC 0x00000800 /* Allocating memory */ #define PF_FLUSHER 0x00001000 /* responsible for disk writeback */ #define PF_USED_MATH 0x00002000 /* if unset the fpu must be initialized before use */ -#define PF_FREEZE 0x00004000 /* this task is being frozen for suspend now */ #define PF_NOFREEZE 0x00008000 /* this thread should not be frozen */ #define PF_FROZEN 0x00010000 /* frozen for system suspend */ #define PF_FSTRANS 0x00020000 /* inside a filesystem transaction */ diff --git a/include/linux/slab.h b/include/linux/slab.h index 2271886744f87..1ef822e31c774 100644 --- a/include/linux/slab.h +++ b/include/linux/slab.h @@ -1,7 +1,9 @@ /* - * linux/include/linux/slab.h - * Written by Mark Hemment, 1996. - * (markhe@nextd.demon.co.uk) + * Written by Mark Hemment, 1996 (markhe@nextd.demon.co.uk). + * + * (C) SGI 2006, Christoph Lameter <clameter@sgi.com> + * Cleaned up and restructured to ease the addition of alternative + * implementations of SLAB allocators. */ #ifndef _LINUX_SLAB_H @@ -10,64 +12,95 @@ #ifdef __KERNEL__ #include <linux/gfp.h> -#include <linux/init.h> #include <linux/types.h> -#include <asm/page.h> /* kmalloc_sizes.h needs PAGE_SIZE */ -#include <asm/cache.h> /* kmalloc_sizes.h needs L1_CACHE_BYTES */ -#include <linux/compiler.h> -/* kmem_cache_t exists for legacy reasons and is not used by code in mm */ typedef struct kmem_cache kmem_cache_t __deprecated; -/* flags to pass to kmem_cache_create(). - * The first 3 are only valid when the allocator as been build - * SLAB_DEBUG_SUPPORT. +/* + * Flags to pass to kmem_cache_create(). + * The ones marked DEBUG are only valid if CONFIG_SLAB_DEBUG is set. */ -#define SLAB_DEBUG_FREE 0x00000100UL /* Peform (expensive) checks on free */ -#define SLAB_DEBUG_INITIAL 0x00000200UL /* Call constructor (as verifier) */ -#define SLAB_RED_ZONE 0x00000400UL /* Red zone objs in a cache */ -#define SLAB_POISON 0x00000800UL /* Poison objects */ -#define SLAB_HWCACHE_ALIGN 0x00002000UL /* align objs on a h/w cache lines */ -#define SLAB_CACHE_DMA 0x00004000UL /* use GFP_DMA memory */ -#define SLAB_MUST_HWCACHE_ALIGN 0x00008000UL /* force alignment */ -#define SLAB_STORE_USER 0x00010000UL /* store the last owner for bug hunting */ -#define SLAB_RECLAIM_ACCOUNT 0x00020000UL /* track pages allocated to indicate - what is reclaimable later*/ -#define SLAB_PANIC 0x00040000UL /* panic if kmem_cache_create() fails */ -#define SLAB_DESTROY_BY_RCU 0x00080000UL /* defer freeing pages to RCU */ +#define SLAB_DEBUG_FREE 0x00000100UL /* DEBUG: Perform (expensive) checks on free */ +#define SLAB_DEBUG_INITIAL 0x00000200UL /* DEBUG: Call constructor (as verifier) */ +#define SLAB_RED_ZONE 0x00000400UL /* DEBUG: Red zone objs in a cache */ +#define SLAB_POISON 0x00000800UL /* DEBUG: Poison objects */ +#define SLAB_HWCACHE_ALIGN 0x00002000UL /* Align objs on cache lines */ +#define SLAB_CACHE_DMA 0x00004000UL /* Use GFP_DMA memory */ +#define SLAB_MUST_HWCACHE_ALIGN 0x00008000UL /* Force alignment even if debuggin is active */ +#define SLAB_STORE_USER 0x00010000UL /* DEBUG: Store the last owner for bug hunting */ +#define SLAB_RECLAIM_ACCOUNT 0x00020000UL /* Objects are reclaimable */ +#define SLAB_PANIC 0x00040000UL /* Panic if kmem_cache_create() fails */ +#define SLAB_DESTROY_BY_RCU 0x00080000UL /* Defer freeing slabs to RCU */ #define SLAB_MEM_SPREAD 0x00100000UL /* Spread some memory over cpuset */ -/* flags passed to a constructor func */ -#define SLAB_CTOR_CONSTRUCTOR 0x001UL /* if not set, then deconstructor */ -#define SLAB_CTOR_ATOMIC 0x002UL /* tell constructor it can't sleep */ -#define SLAB_CTOR_VERIFY 0x004UL /* tell constructor it's a verify call */ +/* Flags passed to a constructor functions */ +#define SLAB_CTOR_CONSTRUCTOR 0x001UL /* If not set, then deconstructor */ +#define SLAB_CTOR_ATOMIC 0x002UL /* Tell constructor it can't sleep */ +#define SLAB_CTOR_VERIFY 0x004UL /* Tell constructor it's a verify call */ -#ifndef CONFIG_SLOB - -/* prototypes */ -extern void __init kmem_cache_init(void); +/* + * struct kmem_cache related prototypes + */ +void __init kmem_cache_init(void); +extern int slab_is_available(void); -extern struct kmem_cache *kmem_cache_create(const char *, size_t, size_t, +struct kmem_cache *kmem_cache_create(const char *, size_t, size_t, unsigned long, void (*)(void *, struct kmem_cache *, unsigned long), void (*)(void *, struct kmem_cache *, unsigned long)); -extern void kmem_cache_destroy(struct kmem_cache *); -extern int kmem_cache_shrink(struct kmem_cache *); -extern void *kmem_cache_alloc(struct kmem_cache *, gfp_t); -extern void *kmem_cache_zalloc(struct kmem_cache *, gfp_t); -extern void kmem_cache_free(struct kmem_cache *, void *); -extern unsigned int kmem_cache_size(struct kmem_cache *); -extern const char *kmem_cache_name(struct kmem_cache *); +void kmem_cache_destroy(struct kmem_cache *); +int kmem_cache_shrink(struct kmem_cache *); +void *kmem_cache_alloc(struct kmem_cache *, gfp_t); +void *kmem_cache_zalloc(struct kmem_cache *, gfp_t); +void kmem_cache_free(struct kmem_cache *, void *); +unsigned int kmem_cache_size(struct kmem_cache *); +const char *kmem_cache_name(struct kmem_cache *); +int kmem_ptr_validate(struct kmem_cache *cachep, const void *ptr); + +#ifdef CONFIG_NUMA +extern void *kmem_cache_alloc_node(struct kmem_cache *, gfp_t flags, int node); +#else +static inline void *kmem_cache_alloc_node(struct kmem_cache *cachep, + gfp_t flags, int node) +{ + return kmem_cache_alloc(cachep, flags); +} +#endif + +/* + * Common kmalloc functions provided by all allocators + */ +void *__kmalloc(size_t, gfp_t); +void *__kzalloc(size_t, gfp_t); +void kfree(const void *); +unsigned int ksize(const void *); + +/** + * kcalloc - allocate memory for an array. The memory is set to zero. + * @n: number of elements. + * @size: element size. + * @flags: the type of memory to allocate. + */ +static inline void *kcalloc(size_t n, size_t size, gfp_t flags) +{ + if (n != 0 && size > ULONG_MAX / n) + return NULL; + return __kzalloc(n * size, flags); +} -/* Size description struct for general caches. */ -struct cache_sizes { - size_t cs_size; - struct kmem_cache *cs_cachep; - struct kmem_cache *cs_dmacachep; -}; -extern struct cache_sizes malloc_sizes[]; +/* + * Allocator specific definitions. These are mainly used to establish optimized + * ways to convert kmalloc() calls to kmem_cache_alloc() invocations by selecting + * the appropriate general cache at compile time. + */ -extern void *__kmalloc(size_t, gfp_t); +#ifdef CONFIG_SLAB +#include <linux/slab_def.h> +#else +/* + * Fallback definitions for an allocator not wanting to provide + * its own optimized kmalloc definitions (like SLOB). + */ /** * kmalloc - allocate memory @@ -116,46 +149,9 @@ extern void *__kmalloc(size_t, gfp_t); */ static inline void *kmalloc(size_t size, gfp_t flags) { - if (__builtin_constant_p(size)) { - int i = 0; -#define CACHE(x) \ - if (size <= x) \ - goto found; \ - else \ - i++; -#include "kmalloc_sizes.h" -#undef CACHE - { - extern void __you_cannot_kmalloc_that_much(void); - __you_cannot_kmalloc_that_much(); - } -found: - return kmem_cache_alloc((flags & GFP_DMA) ? - malloc_sizes[i].cs_dmacachep : - malloc_sizes[i].cs_cachep, flags); - } return __kmalloc(size, flags); } -/* - * kmalloc_track_caller is a special version of kmalloc that records the - * calling function of the routine calling it for slab leak tracking instead - * of just the calling function (confusing, eh?). - * It's useful when the call to kmalloc comes from a widely-used standard - * allocator where we care about the real place the memory allocation - * request comes from. - */ -#ifndef CONFIG_DEBUG_SLAB -#define kmalloc_track_caller(size, flags) \ - __kmalloc(size, flags) -#else -extern void *__kmalloc_track_caller(size_t, gfp_t, void*); -#define kmalloc_track_caller(size, flags) \ - __kmalloc_track_caller(size, flags, __builtin_return_address(0)) -#endif - -extern void *__kzalloc(size_t, gfp_t); - /** * kzalloc - allocate memory. The memory is set to zero. * @size: how many bytes of memory are required. @@ -163,72 +159,41 @@ extern void *__kzalloc(size_t, gfp_t); */ static inline void *kzalloc(size_t size, gfp_t flags) { - if (__builtin_constant_p(size)) { - int i = 0; -#define CACHE(x) \ - if (size <= x) \ - goto found; \ - else \ - i++; -#include "kmalloc_sizes.h" -#undef CACHE - { - extern void __you_cannot_kzalloc_that_much(void); - __you_cannot_kzalloc_that_much(); - } -found: - return kmem_cache_zalloc((flags & GFP_DMA) ? - malloc_sizes[i].cs_dmacachep : - malloc_sizes[i].cs_cachep, flags); - } return __kzalloc(size, flags); } +#endif -/** - * kcalloc - allocate memory for an array. The memory is set to zero. - * @n: number of elements. - * @size: element size. - * @flags: the type of memory to allocate. - */ -static inline void *kcalloc(size_t n, size_t size, gfp_t flags) +#ifndef CONFIG_NUMA +static inline void *kmalloc_node(size_t size, gfp_t flags, int node) { - if (n != 0 && size > ULONG_MAX / n) - return NULL; - return kzalloc(n * size, flags); + return kmalloc(size, flags); } -extern void kfree(const void *); -extern unsigned int ksize(const void *); -extern int slab_is_available(void); - -#ifdef CONFIG_NUMA -extern void *kmem_cache_alloc_node(struct kmem_cache *, gfp_t flags, int node); -extern void *__kmalloc_node(size_t size, gfp_t flags, int node); - -static inline void *kmalloc_node(size_t size, gfp_t flags, int node) +static inline void *__kmalloc_node(size_t size, gfp_t flags, int node) { - if (__builtin_constant_p(size)) { - int i = 0; -#define CACHE(x) \ - if (size <= x) \ - goto found; \ - else \ - i++; -#include "kmalloc_sizes.h" -#undef CACHE - { - extern void __you_cannot_kmalloc_that_much(void); - __you_cannot_kmalloc_that_much(); - } -found: - return kmem_cache_alloc_node((flags & GFP_DMA) ? - malloc_sizes[i].cs_dmacachep : - malloc_sizes[i].cs_cachep, flags, node); - } - return __kmalloc_node(size, flags, node); + return __kmalloc(size, flags); } +#endif /* !CONFIG_NUMA */ /* + * kmalloc_track_caller is a special version of kmalloc that records the + * calling function of the routine calling it for slab leak tracking instead + * of just the calling function (confusing, eh?). + * It's useful when the call to kmalloc comes from a widely-used standard + * allocator where we care about the real place the memory allocation + * request comes from. + */ +#ifdef CONFIG_DEBUG_SLAB +extern void *__kmalloc_track_caller(size_t, gfp_t, void*); +#define kmalloc_track_caller(size, flags) \ + __kmalloc_track_caller(size, flags, __builtin_return_address(0)) +#else +#define kmalloc_track_caller(size, flags) \ + __kmalloc(size, flags) +#endif /* DEBUG_SLAB */ + +#ifdef CONFIG_NUMA +/* * kmalloc_node_track_caller is a special version of kmalloc_node that * records the calling function of the routine calling it for slab leak * tracking instead of just the calling function (confusing, eh?). @@ -236,70 +201,23 @@ found: * standard allocator where we care about the real place the memory * allocation request comes from. */ -#ifndef CONFIG_DEBUG_SLAB -#define kmalloc_node_track_caller(size, flags, node) \ - __kmalloc_node(size, flags, node) -#else +#ifdef CONFIG_DEBUG_SLAB extern void *__kmalloc_node_track_caller(size_t, gfp_t, int, void *); #define kmalloc_node_track_caller(size, flags, node) \ __kmalloc_node_track_caller(size, flags, node, \ __builtin_return_address(0)) +#else +#define kmalloc_node_track_caller(size, flags, node) \ + __kmalloc_node(size, flags, node) #endif + #else /* CONFIG_NUMA */ -static inline void *kmem_cache_alloc_node(struct kmem_cache *cachep, - gfp_t flags, int node) -{ - return kmem_cache_alloc(cachep, flags); -} -static inline void *kmalloc_node(size_t size, gfp_t flags, int node) -{ - return kmalloc(size, flags); -} #define kmalloc_node_track_caller(size, flags, node) \ kmalloc_track_caller(size, flags) -#endif -extern int FASTCALL(kmem_cache_reap(int)); -extern int FASTCALL(kmem_ptr_validate(struct kmem_cache *cachep, void *ptr)); - -#else /* CONFIG_SLOB */ - -/* SLOB allocator routines */ - -void kmem_cache_init(void); -struct kmem_cache *kmem_cache_create(const char *c, size_t, size_t, - unsigned long, - void (*)(void *, struct kmem_cache *, unsigned long), - void (*)(void *, struct kmem_cache *, unsigned long)); -void kmem_cache_destroy(struct kmem_cache *c); -void *kmem_cache_alloc(struct kmem_cache *c, gfp_t flags); -void *kmem_cache_zalloc(struct kmem_cache *, gfp_t); -void kmem_cache_free(struct kmem_cache *c, void *b); -const char *kmem_cache_name(struct kmem_cache *); -void *kmalloc(size_t size, gfp_t flags); -void *__kzalloc(size_t size, gfp_t flags); -void kfree(const void *m); -unsigned int ksize(const void *m); -unsigned int kmem_cache_size(struct kmem_cache *c); - -static inline void *kcalloc(size_t n, size_t size, gfp_t flags) -{ - return __kzalloc(n * size, flags); -} - -#define kmem_cache_shrink(d) (0) -#define kmem_cache_reap(a) -#define kmem_ptr_validate(a, b) (0) -#define kmem_cache_alloc_node(c, f, n) kmem_cache_alloc(c, f) -#define kmalloc_node(s, f, n) kmalloc(s, f) -#define kzalloc(s, f) __kzalloc(s, f) -#define kmalloc_track_caller kmalloc - -#define kmalloc_node_track_caller kmalloc_node - -#endif /* CONFIG_SLOB */ +#endif /* DEBUG_SLAB */ #endif /* __KERNEL__ */ - #endif /* _LINUX_SLAB_H */ + diff --git a/include/linux/slab_def.h b/include/linux/slab_def.h new file mode 100644 index 0000000000000..4b463e66ddeab --- /dev/null +++ b/include/linux/slab_def.h @@ -0,0 +1,100 @@ +#ifndef _LINUX_SLAB_DEF_H +#define _LINUX_SLAB_DEF_H + +/* + * Definitions unique to the original Linux SLAB allocator. + * + * What we provide here is a way to optimize the frequent kmalloc + * calls in the kernel by selecting the appropriate general cache + * if kmalloc was called with a size that can be established at + * compile time. + */ + +#include <linux/init.h> +#include <asm/page.h> /* kmalloc_sizes.h needs PAGE_SIZE */ +#include <asm/cache.h> /* kmalloc_sizes.h needs L1_CACHE_BYTES */ +#include <linux/compiler.h> + +/* Size description struct for general caches. */ +struct cache_sizes { + size_t cs_size; + struct kmem_cache *cs_cachep; + struct kmem_cache *cs_dmacachep; +}; +extern struct cache_sizes malloc_sizes[]; + +static inline void *kmalloc(size_t size, gfp_t flags) +{ + if (__builtin_constant_p(size)) { + int i = 0; +#define CACHE(x) \ + if (size <= x) \ + goto found; \ + else \ + i++; +#include "kmalloc_sizes.h" +#undef CACHE + { + extern void __you_cannot_kmalloc_that_much(void); + __you_cannot_kmalloc_that_much(); + } +found: + return kmem_cache_alloc((flags & GFP_DMA) ? + malloc_sizes[i].cs_dmacachep : + malloc_sizes[i].cs_cachep, flags); + } + return __kmalloc(size, flags); +} + +static inline void *kzalloc(size_t size, gfp_t flags) +{ + if (__builtin_constant_p(size)) { + int i = 0; +#define CACHE(x) \ + if (size <= x) \ + goto found; \ + else \ + i++; +#include "kmalloc_sizes.h" +#undef CACHE + { + extern void __you_cannot_kzalloc_that_much(void); + __you_cannot_kzalloc_that_much(); + } +found: + return kmem_cache_zalloc((flags & GFP_DMA) ? + malloc_sizes[i].cs_dmacachep : + malloc_sizes[i].cs_cachep, flags); + } + return __kzalloc(size, flags); +} + +#ifdef CONFIG_NUMA +extern void *__kmalloc_node(size_t size, gfp_t flags, int node); + +static inline void *kmalloc_node(size_t size, gfp_t flags, int node) +{ + if (__builtin_constant_p(size)) { + int i = 0; +#define CACHE(x) \ + if (size <= x) \ + goto found; \ + else \ + i++; +#include "kmalloc_sizes.h" +#undef CACHE + { + extern void __you_cannot_kmalloc_that_much(void); + __you_cannot_kmalloc_that_much(); + } +found: + return kmem_cache_alloc_node((flags & GFP_DMA) ? + malloc_sizes[i].cs_dmacachep : + malloc_sizes[i].cs_cachep, flags, node); + } + return __kmalloc_node(size, flags, node); +} + +#endif /* CONFIG_NUMA */ + +#endif /* _LINUX_SLAB_DEF_H */ diff --git a/include/linux/smb_fs_sb.h b/include/linux/smb_fs_sb.h index 5b4ae2cc445c0..3aa97aa4277f3 100644 --- a/include/linux/smb_fs_sb.h +++ b/include/linux/smb_fs_sb.h @@ -55,7 +55,7 @@ struct smb_sb_info { * generation is incremented. */ unsigned int generation; - pid_t conn_pid; + struct pid *conn_pid; struct smb_conn_opt opt; wait_queue_head_t conn_wq; int conn_complete; diff --git a/include/linux/sysrq.h b/include/linux/sysrq.h index 9df8833670cbc..98a1d8cfb73d1 100644 --- a/include/linux/sysrq.h +++ b/include/linux/sysrq.h @@ -37,23 +37,37 @@ struct sysrq_key_op { #ifdef CONFIG_MAGIC_SYSRQ +extern int sysrq_on(void); + +/* + * Do not use this one directly: + */ +extern int __sysrq_enabled; + /* Generic SysRq interface -- you may call it from any device driver, supplying * ASCII code of the key, pointer to registers and kbd/tty structs (if they * are available -- else NULL's). */ -void handle_sysrq(int, struct tty_struct *); -void __handle_sysrq(int, struct tty_struct *, int check_mask); -int register_sysrq_key(int, struct sysrq_key_op *); -int unregister_sysrq_key(int, struct sysrq_key_op *); +void handle_sysrq(int key, struct tty_struct *tty); +void __handle_sysrq(int key, struct tty_struct *tty, int check_mask); +int register_sysrq_key(int key, struct sysrq_key_op *op); +int unregister_sysrq_key(int key, struct sysrq_key_op *op); struct sysrq_key_op *__sysrq_get_key_op(int key); #else +static inline int sysrq_on(void) +{ + return 0; +} static inline int __reterr(void) { return -EINVAL; } +static inline void handle_sysrq(int key, struct tty_struct *tty) +{ +} #define register_sysrq_key(ig,nore) __reterr() #define unregister_sysrq_key(ig,nore) __reterr() diff --git a/include/linux/unwind.h b/include/linux/unwind.h index 749928c161fb2..7760860fa170f 100644 --- a/include/linux/unwind.h +++ b/include/linux/unwind.h @@ -14,63 +14,6 @@ struct module; -#ifdef CONFIG_STACK_UNWIND - -#include <asm/unwind.h> - -#ifndef ARCH_UNWIND_SECTION_NAME -#define ARCH_UNWIND_SECTION_NAME ".eh_frame" -#endif - -/* - * Initialize unwind support. - */ -extern void unwind_init(void); -extern void unwind_setup(void); - -#ifdef CONFIG_MODULES - -extern void *unwind_add_table(struct module *, - const void *table_start, - unsigned long table_size); - -extern void unwind_remove_table(void *handle, int init_only); - -#endif - -extern int unwind_init_frame_info(struct unwind_frame_info *, - struct task_struct *, - /*const*/ struct pt_regs *); - -/* - * Prepare to unwind a blocked task. - */ -extern int unwind_init_blocked(struct unwind_frame_info *, - struct task_struct *); - -/* - * Prepare to unwind the currently running thread. - */ -extern int unwind_init_running(struct unwind_frame_info *, - asmlinkage int (*callback)(struct unwind_frame_info *, - void *arg), - void *arg); - -/* - * Unwind to previous to frame. Returns 0 if successful, negative - * number in case of an error. - */ -extern int unwind(struct unwind_frame_info *); - -/* - * Unwind until the return pointer is in user-land (or until an error - * occurs). Returns 0 if successful, negative number in case of - * error. - */ -extern int unwind_to_user(struct unwind_frame_info *); - -#else - struct unwind_frame_info {}; static inline void unwind_init(void) {} @@ -85,12 +28,12 @@ static inline void *unwind_add_table(struct module *mod, return NULL; } -#endif - static inline void unwind_remove_table(void *handle, int init_only) { } +#endif + static inline int unwind_init_frame_info(struct unwind_frame_info *info, struct task_struct *tsk, const struct pt_regs *regs) @@ -122,6 +65,4 @@ static inline int unwind_to_user(struct unwind_frame_info *info) return -ENOSYS; } -#endif - #endif /* _LINUX_UNWIND_H */ diff --git a/include/linux/workqueue.h b/include/linux/workqueue.h index edef8d50b26bd..2a7b38d870186 100644 --- a/include/linux/workqueue.h +++ b/include/linux/workqueue.h @@ -8,16 +8,21 @@ #include <linux/timer.h> #include <linux/linkage.h> #include <linux/bitops.h> +#include <asm/atomic.h> struct workqueue_struct; struct work_struct; typedef void (*work_func_t)(struct work_struct *work); +/* + * The first word is the work queue pointer and the flags rolled into + * one + */ +#define work_data_bits(work) ((unsigned long *)(&(work)->data)) + struct work_struct { - /* the first word is the work queue pointer and the flags rolled into - * one */ - unsigned long management; + atomic_long_t data; #define WORK_STRUCT_PENDING 0 /* T if work item pending execution */ #define WORK_STRUCT_NOAUTOREL 1 /* F if work item automatically released on exec */ #define WORK_STRUCT_FLAG_MASK (3UL) @@ -26,6 +31,9 @@ struct work_struct { work_func_t func; }; +#define WORK_DATA_INIT(autorelease) \ + ATOMIC_LONG_INIT((autorelease) << WORK_STRUCT_NOAUTOREL) + struct delayed_work { struct work_struct work; struct timer_list timer; @@ -36,13 +44,13 @@ struct execute_work { }; #define __WORK_INITIALIZER(n, f) { \ - .management = 0, \ + .data = WORK_DATA_INIT(0), \ .entry = { &(n).entry, &(n).entry }, \ .func = (f), \ } #define __WORK_INITIALIZER_NAR(n, f) { \ - .management = (1 << WORK_STRUCT_NOAUTOREL), \ + .data = WORK_DATA_INIT(1), \ .entry = { &(n).entry, &(n).entry }, \ .func = (f), \ } @@ -82,17 +90,21 @@ struct execute_work { /* * initialize all of a work item in one go + * + * NOTE! No point in using "atomic_long_set()": useing a direct + * assignment of the work data initializer allows the compiler + * to generate better code. */ #define INIT_WORK(_work, _func) \ do { \ - (_work)->management = 0; \ + (_work)->data = (atomic_long_t) WORK_DATA_INIT(0); \ INIT_LIST_HEAD(&(_work)->entry); \ PREPARE_WORK((_work), (_func)); \ } while (0) #define INIT_WORK_NAR(_work, _func) \ do { \ - (_work)->management = (1 << WORK_STRUCT_NOAUTOREL); \ + (_work)->data = (atomic_long_t) WORK_DATA_INIT(1); \ INIT_LIST_HEAD(&(_work)->entry); \ PREPARE_WORK((_work), (_func)); \ } while (0) @@ -114,15 +126,15 @@ struct execute_work { * @work: The work item in question */ #define work_pending(work) \ - test_bit(WORK_STRUCT_PENDING, &(work)->management) + test_bit(WORK_STRUCT_PENDING, work_data_bits(work)) /** * delayed_work_pending - Find out whether a delayable work item is currently * pending * @work: The work item in question */ -#define delayed_work_pending(work) \ - test_bit(WORK_STRUCT_PENDING, &(work)->work.management) +#define delayed_work_pending(w) \ + work_pending(&(w)->work) /** * work_release - Release a work item under execution @@ -143,7 +155,7 @@ struct execute_work { * This should also be used to release a delayed work item. */ #define work_release(work) \ - clear_bit(WORK_STRUCT_PENDING, &(work)->management) + clear_bit(WORK_STRUCT_PENDING, work_data_bits(work)) extern struct workqueue_struct *__create_workqueue(const char *name, @@ -188,7 +200,7 @@ static inline int cancel_delayed_work(struct delayed_work *work) ret = del_timer_sync(&work->timer); if (ret) - clear_bit(WORK_STRUCT_PENDING, &work->work.management); + work_release(&work->work); return ret; } diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h index 10a3eec191fd2..41456c148842d 100644 --- a/include/net/bluetooth/hci.h +++ b/include/net/bluetooth/hci.h @@ -739,13 +739,13 @@ struct sockaddr_hci { struct hci_filter { unsigned long type_mask; unsigned long event_mask[2]; - __u16 opcode; + __le16 opcode; }; struct hci_ufilter { __u32 type_mask; __u32 event_mask[2]; - __u16 opcode; + __le16 opcode; }; #define HCI_FLT_TYPE_BITS 31 diff --git a/include/net/ip6_fib.h b/include/net/ip6_fib.h index f9cde44f93b44..7be4f4e3a0f22 100644 --- a/include/net/ip6_fib.h +++ b/include/net/ip6_fib.h @@ -50,9 +50,9 @@ struct fib6_node struct fib6_node *parent; struct fib6_node *left; struct fib6_node *right; - +#ifdef CONFIG_IPV6_SUBTREES struct fib6_node *subtree; - +#endif struct rt6_info *leaf; __u16 fn_bit; /* bit key */ diff --git a/include/net/netfilter/nf_conntrack_compat.h b/include/net/netfilter/nf_conntrack_compat.h index f1b1482d7200a..b9ce5c80d9d5c 100644 --- a/include/net/netfilter/nf_conntrack_compat.h +++ b/include/net/netfilter/nf_conntrack_compat.h @@ -64,6 +64,16 @@ static inline int nf_ct_get_ctinfo(const struct sk_buff *skb, return (ct != NULL); } +static inline int nf_ct_l3proto_try_module_get(unsigned short l3proto) +{ + need_conntrack(); + return l3proto == PF_INET ? 0 : -1; +} + +static inline void nf_ct_l3proto_module_put(unsigned short l3proto) +{ +} + #else /* CONFIG_IP_NF_CONNTRACK */ #include <net/netfilter/ipv4/nf_conntrack_ipv4.h> diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h index c089f93ba591e..8d7f26d684e5e 100644 --- a/include/net/sctp/structs.h +++ b/include/net/sctp/structs.h @@ -201,13 +201,12 @@ extern struct sctp_globals { struct sctp_bind_hashbucket *port_hashtable; /* This is the global local address list. - * We actively maintain this complete list of interfaces on - * the system by catching routing events. + * We actively maintain this complete list of addresses on + * the system by catching address add/delete events. * * It is a list of sctp_sockaddr_entry. */ struct list_head local_addr_list; - spinlock_t local_addr_lock; /* Flag to indicate if addip is enabled. */ int addip_enable; @@ -243,7 +242,6 @@ extern struct sctp_globals { #define sctp_port_alloc_lock (sctp_globals.port_alloc_lock) #define sctp_port_hashtable (sctp_globals.port_hashtable) #define sctp_local_addr_list (sctp_globals.local_addr_list) -#define sctp_local_addr_lock (sctp_globals.local_addr_lock) #define sctp_addip_enable (sctp_globals.addip_enable) #define sctp_prsctp_enable (sctp_globals.prsctp_enable) @@ -277,6 +275,7 @@ struct sctp_sock { __u16 default_flags; __u32 default_context; __u32 default_timetolive; + __u32 default_rcv_context; /* Heartbeat interval: The endpoint sends out a Heartbeat chunk to * the destination address every heartbeat interval. This value @@ -1659,6 +1658,9 @@ struct sctp_association { __u32 default_context; __u32 default_timetolive; + /* Default receive parameters */ + __u32 default_rcv_context; + /* This tracks outbound ssn for a given stream. */ struct sctp_ssnmap *ssnmap; diff --git a/include/net/sctp/user.h b/include/net/sctp/user.h index 1b7aae6cdd82d..9e4a39fd129d0 100644 --- a/include/net/sctp/user.h +++ b/include/net/sctp/user.h @@ -95,6 +95,8 @@ enum sctp_optname { #define SCTP_GET_PEER_ADDR_INFO SCTP_GET_PEER_ADDR_INFO SCTP_DELAYED_ACK_TIME, #define SCTP_DELAYED_ACK_TIME SCTP_DELAYED_ACK_TIME + SCTP_CONTEXT, /* Receive Context */ +#define SCTP_CONTEXT SCTP_CONTEXT /* Internal Socket Options. Some of the sctp library functions are * implemented using these socket options. diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index fd2353fa7e12d..0bfa3328d686c 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -1456,9 +1456,9 @@ struct ib_mr *ib_get_dma_mr(struct ib_pd *pd, int mr_access_flags); */ static inline int ib_dma_mapping_error(struct ib_device *dev, u64 dma_addr) { - return dev->dma_ops ? - dev->dma_ops->mapping_error(dev, dma_addr) : - dma_mapping_error(dma_addr); + if (dev->dma_ops) + return dev->dma_ops->mapping_error(dev, dma_addr); + return dma_mapping_error(dma_addr); } /** @@ -1472,9 +1472,9 @@ static inline u64 ib_dma_map_single(struct ib_device *dev, void *cpu_addr, size_t size, enum dma_data_direction direction) { - return dev->dma_ops ? - dev->dma_ops->map_single(dev, cpu_addr, size, direction) : - dma_map_single(dev->dma_device, cpu_addr, size, direction); + if (dev->dma_ops) + return dev->dma_ops->map_single(dev, cpu_addr, size, direction); + return dma_map_single(dev->dma_device, cpu_addr, size, direction); } /** @@ -1488,8 +1488,9 @@ static inline void ib_dma_unmap_single(struct ib_device *dev, u64 addr, size_t size, enum dma_data_direction direction) { - dev->dma_ops ? - dev->dma_ops->unmap_single(dev, addr, size, direction) : + if (dev->dma_ops) + dev->dma_ops->unmap_single(dev, addr, size, direction); + else dma_unmap_single(dev->dma_device, addr, size, direction); } @@ -1507,9 +1508,9 @@ static inline u64 ib_dma_map_page(struct ib_device *dev, size_t size, enum dma_data_direction direction) { - return dev->dma_ops ? - dev->dma_ops->map_page(dev, page, offset, size, direction) : - dma_map_page(dev->dma_device, page, offset, size, direction); + if (dev->dma_ops) + return dev->dma_ops->map_page(dev, page, offset, size, direction); + return dma_map_page(dev->dma_device, page, offset, size, direction); } /** @@ -1523,8 +1524,9 @@ static inline void ib_dma_unmap_page(struct ib_device *dev, u64 addr, size_t size, enum dma_data_direction direction) { - dev->dma_ops ? - dev->dma_ops->unmap_page(dev, addr, size, direction) : + if (dev->dma_ops) + dev->dma_ops->unmap_page(dev, addr, size, direction); + else dma_unmap_page(dev->dma_device, addr, size, direction); } @@ -1539,9 +1541,9 @@ static inline int ib_dma_map_sg(struct ib_device *dev, struct scatterlist *sg, int nents, enum dma_data_direction direction) { - return dev->dma_ops ? - dev->dma_ops->map_sg(dev, sg, nents, direction) : - dma_map_sg(dev->dma_device, sg, nents, direction); + if (dev->dma_ops) + return dev->dma_ops->map_sg(dev, sg, nents, direction); + return dma_map_sg(dev->dma_device, sg, nents, direction); } /** @@ -1555,8 +1557,9 @@ static inline void ib_dma_unmap_sg(struct ib_device *dev, struct scatterlist *sg, int nents, enum dma_data_direction direction) { - dev->dma_ops ? - dev->dma_ops->unmap_sg(dev, sg, nents, direction) : + if (dev->dma_ops) + dev->dma_ops->unmap_sg(dev, sg, nents, direction); + else dma_unmap_sg(dev->dma_device, sg, nents, direction); } @@ -1568,8 +1571,9 @@ static inline void ib_dma_unmap_sg(struct ib_device *dev, static inline u64 ib_sg_dma_address(struct ib_device *dev, struct scatterlist *sg) { - return dev->dma_ops ? - dev->dma_ops->dma_address(dev, sg) : sg_dma_address(sg); + if (dev->dma_ops) + return dev->dma_ops->dma_address(dev, sg); + return sg_dma_address(sg); } /** @@ -1580,8 +1584,9 @@ static inline u64 ib_sg_dma_address(struct ib_device *dev, static inline unsigned int ib_sg_dma_len(struct ib_device *dev, struct scatterlist *sg) { - return dev->dma_ops ? - dev->dma_ops->dma_len(dev, sg) : sg_dma_len(sg); + if (dev->dma_ops) + return dev->dma_ops->dma_len(dev, sg); + return sg_dma_len(sg); } /** @@ -1596,8 +1601,9 @@ static inline void ib_dma_sync_single_for_cpu(struct ib_device *dev, size_t size, enum dma_data_direction dir) { - dev->dma_ops ? - dev->dma_ops->sync_single_for_cpu(dev, addr, size, dir) : + if (dev->dma_ops) + dev->dma_ops->sync_single_for_cpu(dev, addr, size, dir); + else dma_sync_single_for_cpu(dev->dma_device, addr, size, dir); } @@ -1613,8 +1619,9 @@ static inline void ib_dma_sync_single_for_device(struct ib_device *dev, size_t size, enum dma_data_direction dir) { - dev->dma_ops ? - dev->dma_ops->sync_single_for_device(dev, addr, size, dir) : + if (dev->dma_ops) + dev->dma_ops->sync_single_for_device(dev, addr, size, dir); + else dma_sync_single_for_device(dev->dma_device, addr, size, dir); } @@ -1630,9 +1637,16 @@ static inline void *ib_dma_alloc_coherent(struct ib_device *dev, u64 *dma_handle, gfp_t flag) { - return dev->dma_ops ? - dev->dma_ops->alloc_coherent(dev, size, dma_handle, flag) : - dma_alloc_coherent(dev->dma_device, size, dma_handle, flag); + if (dev->dma_ops) + return dev->dma_ops->alloc_coherent(dev, size, dma_handle, flag); + else { + dma_addr_t handle; + void *ret; + + ret = dma_alloc_coherent(dev->dma_device, size, &handle, flag); + *dma_handle = handle; + return ret; + } } /** @@ -1646,8 +1660,9 @@ static inline void ib_dma_free_coherent(struct ib_device *dev, size_t size, void *cpu_addr, u64 dma_handle) { - dev->dma_ops ? - dev->dma_ops->free_coherent(dev, size, cpu_addr, dma_handle) : + if (dev->dma_ops) + dev->dma_ops->free_coherent(dev, size, cpu_addr, dma_handle); + else dma_free_coherent(dev->dma_device, size, cpu_addr, dma_handle); } diff --git a/include/video/sstfb.h b/include/video/sstfb.h index 5dbf5e7e50a8c..baa163f770abd 100644 --- a/include/video/sstfb.h +++ b/include/video/sstfb.h @@ -119,7 +119,7 @@ #define BACKPORCH 0x0208 #define VIDEODIMENSIONS 0x020c #define FBIINIT0 0x0210 /* misc+fifo controls */ -# define EN_VGA_PASSTHROUGH BIT(0) +# define DIS_VGA_PASSTHROUGH BIT(0) # define FBI_RESET BIT(1) # define FIFO_RESET BIT(2) #define FBIINIT1 0x0214 /* PCI + video controls */ @@ -251,7 +251,7 @@ # define DACREG_ICS_CLK1_A 0 /* bit4 */ /* sst default init registers */ -#define FBIINIT0_DEFAULT EN_VGA_PASSTHROUGH +#define FBIINIT0_DEFAULT DIS_VGA_PASSTHROUGH #define FBIINIT1_DEFAULT \ ( \ @@ -296,6 +296,11 @@ * */ +/* ioctl to enable/disable VGA passthrough */ +#define SSTFB_SET_VGAPASS _IOW('F', 0xdd, __u32) +#define SSTFB_GET_VGAPASS _IOR('F', 0xdd, __u32) + + /* used to know witch clock to set */ enum { VID_CLOCK=0, @@ -317,7 +322,7 @@ struct pll_timing { }; struct dac_switch { - char * name; + const char *name; int (*detect) (struct fb_info *info); int (*set_pll) (struct fb_info *info, const struct pll_timing *t, const int clock); void (*set_vidmod) (struct fb_info *info, const int bpp); @@ -345,7 +350,7 @@ struct sstfb_par { struct pci_dev *dev; int type; u8 revision; - int gfx_clock; /* status */ + u8 vgapass; /* VGA pass through: 1=enabled, 0=disabled */ }; #endif /* _SSTFB_H_ */ diff --git a/ipc/msgutil.c b/ipc/msgutil.c index 0992616eeed6f..c82c215693d7c 100644 --- a/ipc/msgutil.c +++ b/ipc/msgutil.c @@ -36,7 +36,7 @@ struct msg_msg *load_msg(const void __user *src, int len) if (alen > DATALEN_MSG) alen = DATALEN_MSG; - msg = (struct msg_msg *)kmalloc(sizeof(*msg) + alen, GFP_KERNEL); + msg = kmalloc(sizeof(*msg) + alen, GFP_KERNEL); if (msg == NULL) return ERR_PTR(-ENOMEM); @@ -56,7 +56,7 @@ struct msg_msg *load_msg(const void __user *src, int len) alen = len; if (alen > DATALEN_SEG) alen = DATALEN_SEG; - seg = (struct msg_msgseg *)kmalloc(sizeof(*seg) + alen, + seg = kmalloc(sizeof(*seg) + alen, GFP_KERNEL); if (seg == NULL) { err = -ENOMEM; diff --git a/kernel/Makefile b/kernel/Makefile index 5e3f3b75563aa..14f4d45e0ae95 100644 --- a/kernel/Makefile +++ b/kernel/Makefile @@ -31,7 +31,6 @@ obj-$(CONFIG_PROVE_LOCKING) += spinlock.o obj-$(CONFIG_UID16) += uid16.o obj-$(CONFIG_MODULES) += module.o obj-$(CONFIG_KALLSYMS) += kallsyms.o -obj-$(CONFIG_STACK_UNWIND) += unwind.o obj-$(CONFIG_PM) += power/ obj-$(CONFIG_BSD_PROCESS_ACCT) += acct.o obj-$(CONFIG_KEXEC) += kexec.o diff --git a/kernel/cpuset.c b/kernel/cpuset.c index 2c3b4431472be..232aed2b10f9a 100644 --- a/kernel/cpuset.c +++ b/kernel/cpuset.c @@ -2342,32 +2342,48 @@ static const struct cpuset *nearest_exclusive_ancestor(const struct cpuset *cs) } /** - * cpuset_zone_allowed - Can we allocate memory on zone z's memory node? + * cpuset_zone_allowed_softwall - Can we allocate on zone z's memory node? * @z: is this zone on an allowed node? - * @gfp_mask: memory allocation flags (we use __GFP_HARDWALL) + * @gfp_mask: memory allocation flags * - * If we're in interrupt, yes, we can always allocate. If zone + * If we're in interrupt, yes, we can always allocate. If + * __GFP_THISNODE is set, yes, we can always allocate. If zone * z's node is in our tasks mems_allowed, yes. If it's not a * __GFP_HARDWALL request and this zone's nodes is in the nearest * mem_exclusive cpuset ancestor to this tasks cpuset, yes. * Otherwise, no. * + * If __GFP_HARDWALL is set, cpuset_zone_allowed_softwall() + * reduces to cpuset_zone_allowed_hardwall(). Otherwise, + * cpuset_zone_allowed_softwall() might sleep, and might allow a zone + * from an enclosing cpuset. + * + * cpuset_zone_allowed_hardwall() only handles the simpler case of + * hardwall cpusets, and never sleeps. + * + * The __GFP_THISNODE placement logic is really handled elsewhere, + * by forcibly using a zonelist starting at a specified node, and by + * (in get_page_from_freelist()) refusing to consider the zones for + * any node on the zonelist except the first. By the time any such + * calls get to this routine, we should just shut up and say 'yes'. + * * GFP_USER allocations are marked with the __GFP_HARDWALL bit, * and do not allow allocations outside the current tasks cpuset. * GFP_KERNEL allocations are not so marked, so can escape to the - * nearest mem_exclusive ancestor cpuset. + * nearest enclosing mem_exclusive ancestor cpuset. * - * Scanning up parent cpusets requires callback_mutex. The __alloc_pages() - * routine only calls here with __GFP_HARDWALL bit _not_ set if - * it's a GFP_KERNEL allocation, and all nodes in the current tasks - * mems_allowed came up empty on the first pass over the zonelist. - * So only GFP_KERNEL allocations, if all nodes in the cpuset are - * short of memory, might require taking the callback_mutex mutex. + * Scanning up parent cpusets requires callback_mutex. The + * __alloc_pages() routine only calls here with __GFP_HARDWALL bit + * _not_ set if it's a GFP_KERNEL allocation, and all nodes in the + * current tasks mems_allowed came up empty on the first pass over + * the zonelist. So only GFP_KERNEL allocations, if all nodes in the + * cpuset are short of memory, might require taking the callback_mutex + * mutex. * * The first call here from mm/page_alloc:get_page_from_freelist() - * has __GFP_HARDWALL set in gfp_mask, enforcing hardwall cpusets, so - * no allocation on a node outside the cpuset is allowed (unless in - * interrupt, of course). + * has __GFP_HARDWALL set in gfp_mask, enforcing hardwall cpusets, + * so no allocation on a node outside the cpuset is allowed (unless + * in interrupt, of course). * * The second pass through get_page_from_freelist() doesn't even call * here for GFP_ATOMIC calls. For those calls, the __alloc_pages() @@ -2380,12 +2396,12 @@ static const struct cpuset *nearest_exclusive_ancestor(const struct cpuset *cs) * GFP_USER - only nodes in current tasks mems allowed ok. * * Rule: - * Don't call cpuset_zone_allowed() if you can't sleep, unless you + * Don't call cpuset_zone_allowed_softwall if you can't sleep, unless you * pass in the __GFP_HARDWALL flag set in gfp_flag, which disables * the code that might scan up ancestor cpusets and sleep. - **/ + */ -int __cpuset_zone_allowed(struct zone *z, gfp_t gfp_mask) +int __cpuset_zone_allowed_softwall(struct zone *z, gfp_t gfp_mask) { int node; /* node that zone z is on */ const struct cpuset *cs; /* current cpuset ancestors */ @@ -2415,6 +2431,40 @@ int __cpuset_zone_allowed(struct zone *z, gfp_t gfp_mask) return allowed; } +/* + * cpuset_zone_allowed_hardwall - Can we allocate on zone z's memory node? + * @z: is this zone on an allowed node? + * @gfp_mask: memory allocation flags + * + * If we're in interrupt, yes, we can always allocate. + * If __GFP_THISNODE is set, yes, we can always allocate. If zone + * z's node is in our tasks mems_allowed, yes. Otherwise, no. + * + * The __GFP_THISNODE placement logic is really handled elsewhere, + * by forcibly using a zonelist starting at a specified node, and by + * (in get_page_from_freelist()) refusing to consider the zones for + * any node on the zonelist except the first. By the time any such + * calls get to this routine, we should just shut up and say 'yes'. + * + * Unlike the cpuset_zone_allowed_softwall() variant, above, + * this variant requires that the zone be in the current tasks + * mems_allowed or that we're in interrupt. It does not scan up the + * cpuset hierarchy for the nearest enclosing mem_exclusive cpuset. + * It never sleeps. + */ + +int __cpuset_zone_allowed_hardwall(struct zone *z, gfp_t gfp_mask) +{ + int node; /* node that zone z is on */ + + if (in_interrupt() || (gfp_mask & __GFP_THISNODE)) + return 1; + node = zone_to_nid(z); + if (node_isset(node, current->mems_allowed)) + return 1; + return 0; +} + /** * cpuset_lock - lock out any changes to cpuset structures * diff --git a/kernel/fork.c b/kernel/fork.c index d16c566eb645a..fc723e595cd5b 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -203,7 +203,7 @@ static inline int dup_mmap(struct mm_struct *mm, struct mm_struct *oldmm) struct mempolicy *pol; down_write(&oldmm->mmap_sem); - flush_cache_mm(oldmm); + flush_cache_dup_mm(oldmm); /* * Not linked in yet - no deadlock potential: */ diff --git a/kernel/lockdep.c b/kernel/lockdep.c index b02032476dc2e..01e7505590343 100644 --- a/kernel/lockdep.c +++ b/kernel/lockdep.c @@ -43,13 +43,49 @@ #include "lockdep_internals.h" /* - * hash_lock: protects the lockdep hashes and class/list/hash allocators. + * lockdep_lock: protects the lockdep graph, the hashes and the + * class/list/hash allocators. * * This is one of the rare exceptions where it's justified * to use a raw spinlock - we really dont want the spinlock - * code to recurse back into the lockdep code. + * code to recurse back into the lockdep code... */ -static raw_spinlock_t hash_lock = (raw_spinlock_t)__RAW_SPIN_LOCK_UNLOCKED; +static raw_spinlock_t lockdep_lock = (raw_spinlock_t)__RAW_SPIN_LOCK_UNLOCKED; + +static int graph_lock(void) +{ + __raw_spin_lock(&lockdep_lock); + /* + * Make sure that if another CPU detected a bug while + * walking the graph we dont change it (while the other + * CPU is busy printing out stuff with the graph lock + * dropped already) + */ + if (!debug_locks) { + __raw_spin_unlock(&lockdep_lock); + return 0; + } + return 1; +} + +static inline int graph_unlock(void) +{ + __raw_spin_unlock(&lockdep_lock); + return 0; +} + +/* + * Turn lock debugging off and return with 0 if it was off already, + * and also release the graph lock: + */ +static inline int debug_locks_off_graph_unlock(void) +{ + int ret = debug_locks_off(); + + __raw_spin_unlock(&lockdep_lock); + + return ret; +} static int lockdep_initialized; @@ -57,14 +93,15 @@ unsigned long nr_list_entries; static struct lock_list list_entries[MAX_LOCKDEP_ENTRIES]; /* - * Allocate a lockdep entry. (assumes hash_lock held, returns + * Allocate a lockdep entry. (assumes the graph_lock held, returns * with NULL on failure) */ static struct lock_list *alloc_list_entry(void) { if (nr_list_entries >= MAX_LOCKDEP_ENTRIES) { - __raw_spin_unlock(&hash_lock); - debug_locks_off(); + if (!debug_locks_off_graph_unlock()) + return NULL; + printk("BUG: MAX_LOCKDEP_ENTRIES too low!\n"); printk("turning off the locking correctness validator.\n"); return NULL; @@ -145,9 +182,7 @@ EXPORT_SYMBOL(lockdep_on); */ #define VERBOSE 0 -#ifdef VERBOSE -# define VERY_VERBOSE 0 -#endif +#define VERY_VERBOSE 0 #if VERBOSE # define HARDIRQ_VERBOSE 1 @@ -172,8 +207,8 @@ static int class_filter(struct lock_class *class) !strcmp(class->name, "&struct->lockfield")) return 1; #endif - /* Allow everything else. 0 would be filter everything else */ - return 1; + /* Filter everything else. 1 would be to allow everything else */ + return 0; } #endif @@ -207,7 +242,7 @@ static int softirq_verbose(struct lock_class *class) /* * Stack-trace: tightly packed array of stack backtrace - * addresses. Protected by the hash_lock. + * addresses. Protected by the graph_lock. */ unsigned long nr_stack_trace_entries; static unsigned long stack_trace[MAX_STACK_TRACE_ENTRIES]; @@ -226,18 +261,15 @@ static int save_trace(struct stack_trace *trace) trace->max_entries = trace->nr_entries; nr_stack_trace_entries += trace->nr_entries; - if (DEBUG_LOCKS_WARN_ON(nr_stack_trace_entries > MAX_STACK_TRACE_ENTRIES)) { - __raw_spin_unlock(&hash_lock); - return 0; - } if (nr_stack_trace_entries == MAX_STACK_TRACE_ENTRIES) { - __raw_spin_unlock(&hash_lock); - if (debug_locks_off()) { - printk("BUG: MAX_STACK_TRACE_ENTRIES too low!\n"); - printk("turning off the locking correctness validator.\n"); - dump_stack(); - } + if (!debug_locks_off_graph_unlock()) + return 0; + + printk("BUG: MAX_STACK_TRACE_ENTRIES too low!\n"); + printk("turning off the locking correctness validator.\n"); + dump_stack(); + return 0; } @@ -526,9 +558,7 @@ print_circular_bug_header(struct lock_list *entry, unsigned int depth) { struct task_struct *curr = current; - __raw_spin_unlock(&hash_lock); - debug_locks_off(); - if (debug_locks_silent) + if (!debug_locks_off_graph_unlock() || debug_locks_silent) return 0; printk("\n=======================================================\n"); @@ -556,12 +586,10 @@ static noinline int print_circular_bug_tail(void) if (debug_locks_silent) return 0; - /* hash_lock unlocked by the header */ - __raw_spin_lock(&hash_lock); this.class = check_source->class; if (!save_trace(&this.trace)) return 0; - __raw_spin_unlock(&hash_lock); + print_circular_bug_entry(&this, 0); printk("\nother info that might help us debug this:\n\n"); @@ -577,8 +605,10 @@ static noinline int print_circular_bug_tail(void) static int noinline print_infinite_recursion_bug(void) { - __raw_spin_unlock(&hash_lock); - DEBUG_LOCKS_WARN_ON(1); + if (!debug_locks_off_graph_unlock()) + return 0; + + WARN_ON(1); return 0; } @@ -713,9 +743,7 @@ print_bad_irq_dependency(struct task_struct *curr, enum lock_usage_bit bit2, const char *irqclass) { - __raw_spin_unlock(&hash_lock); - debug_locks_off(); - if (debug_locks_silent) + if (!debug_locks_off_graph_unlock() || debug_locks_silent) return 0; printk("\n======================================================\n"); @@ -796,9 +824,7 @@ static int print_deadlock_bug(struct task_struct *curr, struct held_lock *prev, struct held_lock *next) { - debug_locks_off(); - __raw_spin_unlock(&hash_lock); - if (debug_locks_silent) + if (!debug_locks_off_graph_unlock() || debug_locks_silent) return 0; printk("\n=============================================\n"); @@ -974,14 +1000,14 @@ check_prev_add(struct task_struct *curr, struct held_lock *prev, * Debugging printouts: */ if (verbose(prev->class) || verbose(next->class)) { - __raw_spin_unlock(&hash_lock); + graph_unlock(); printk("\n new dependency: "); print_lock_name(prev->class); printk(" => "); print_lock_name(next->class); printk("\n"); dump_stack(); - __raw_spin_lock(&hash_lock); + return graph_lock(); } return 1; } @@ -1046,8 +1072,10 @@ check_prevs_add(struct task_struct *curr, struct held_lock *next) } return 1; out_bug: - __raw_spin_unlock(&hash_lock); - DEBUG_LOCKS_WARN_ON(1); + if (!debug_locks_off_graph_unlock()) + return 0; + + WARN_ON(1); return 0; } @@ -1201,7 +1229,10 @@ register_lock_class(struct lockdep_map *lock, unsigned int subclass, int force) hash_head = classhashentry(key); raw_local_irq_save(flags); - __raw_spin_lock(&hash_lock); + if (!graph_lock()) { + raw_local_irq_restore(flags); + return NULL; + } /* * We have to do the hash-walk again, to avoid races * with another CPU: @@ -1214,9 +1245,12 @@ register_lock_class(struct lockdep_map *lock, unsigned int subclass, int force) * the hash: */ if (nr_lock_classes >= MAX_LOCKDEP_KEYS) { - __raw_spin_unlock(&hash_lock); + if (!debug_locks_off_graph_unlock()) { + raw_local_irq_restore(flags); + return NULL; + } raw_local_irq_restore(flags); - debug_locks_off(); + printk("BUG: MAX_LOCKDEP_KEYS too low!\n"); printk("turning off the locking correctness validator.\n"); return NULL; @@ -1237,18 +1271,23 @@ register_lock_class(struct lockdep_map *lock, unsigned int subclass, int force) list_add_tail_rcu(&class->hash_entry, hash_head); if (verbose(class)) { - __raw_spin_unlock(&hash_lock); + graph_unlock(); raw_local_irq_restore(flags); + printk("\nnew class %p: %s", class->key, class->name); if (class->name_version > 1) printk("#%d", class->name_version); printk("\n"); dump_stack(); + raw_local_irq_save(flags); - __raw_spin_lock(&hash_lock); + if (!graph_lock()) { + raw_local_irq_restore(flags); + return NULL; + } } out_unlock_set: - __raw_spin_unlock(&hash_lock); + graph_unlock(); raw_local_irq_restore(flags); if (!subclass || force) @@ -1264,7 +1303,7 @@ out_unlock_set: * add it and return 0 - in this case the new dependency chain is * validated. If the key is already hashed, return 1. */ -static inline int lookup_chain_cache(u64 chain_key) +static inline int lookup_chain_cache(u64 chain_key, struct lock_class *class) { struct list_head *hash_head = chainhashentry(chain_key); struct lock_chain *chain; @@ -1278,34 +1317,32 @@ static inline int lookup_chain_cache(u64 chain_key) if (chain->chain_key == chain_key) { cache_hit: debug_atomic_inc(&chain_lookup_hits); - /* - * In the debugging case, force redundant checking - * by returning 1: - */ -#ifdef CONFIG_DEBUG_LOCKDEP - __raw_spin_lock(&hash_lock); - return 1; -#endif + if (very_verbose(class)) + printk("\nhash chain already cached, key: %016Lx tail class: [%p] %s\n", chain_key, class->key, class->name); return 0; } } + if (very_verbose(class)) + printk("\nnew hash chain, key: %016Lx tail class: [%p] %s\n", chain_key, class->key, class->name); /* * Allocate a new chain entry from the static array, and add * it to the hash: */ - __raw_spin_lock(&hash_lock); + if (!graph_lock()) + return 0; /* * We have to walk the chain again locked - to avoid duplicates: */ list_for_each_entry(chain, hash_head, entry) { if (chain->chain_key == chain_key) { - __raw_spin_unlock(&hash_lock); + graph_unlock(); goto cache_hit; } } if (unlikely(nr_lock_chains >= MAX_LOCKDEP_CHAINS)) { - __raw_spin_unlock(&hash_lock); - debug_locks_off(); + if (!debug_locks_off_graph_unlock()) + return 0; + printk("BUG: MAX_LOCKDEP_CHAINS too low!\n"); printk("turning off the locking correctness validator.\n"); return 0; @@ -1381,9 +1418,7 @@ print_irq_inversion_bug(struct task_struct *curr, struct lock_class *other, struct held_lock *this, int forwards, const char *irqclass) { - __raw_spin_unlock(&hash_lock); - debug_locks_off(); - if (debug_locks_silent) + if (!debug_locks_off_graph_unlock() || debug_locks_silent) return 0; printk("\n=========================================================\n"); @@ -1453,7 +1488,7 @@ check_usage_backwards(struct task_struct *curr, struct held_lock *this, return print_irq_inversion_bug(curr, backwards_match, this, 0, irqclass); } -static inline void print_irqtrace_events(struct task_struct *curr) +void print_irqtrace_events(struct task_struct *curr) { printk("irq event stamp: %u\n", curr->irq_events); printk("hardirqs last enabled at (%u): ", curr->hardirq_enable_event); @@ -1466,19 +1501,13 @@ static inline void print_irqtrace_events(struct task_struct *curr) print_ip_sym(curr->softirq_disable_ip); } -#else -static inline void print_irqtrace_events(struct task_struct *curr) -{ -} #endif static int print_usage_bug(struct task_struct *curr, struct held_lock *this, enum lock_usage_bit prev_bit, enum lock_usage_bit new_bit) { - __raw_spin_unlock(&hash_lock); - debug_locks_off(); - if (debug_locks_silent) + if (!debug_locks_off_graph_unlock() || debug_locks_silent) return 0; printk("\n=================================\n"); @@ -1539,12 +1568,13 @@ static int mark_lock(struct task_struct *curr, struct held_lock *this, if (likely(this->class->usage_mask & new_mask)) return 1; - __raw_spin_lock(&hash_lock); + if (!graph_lock()) + return 0; /* * Make sure we didnt race: */ if (unlikely(this->class->usage_mask & new_mask)) { - __raw_spin_unlock(&hash_lock); + graph_unlock(); return 1; } @@ -1730,16 +1760,16 @@ static int mark_lock(struct task_struct *curr, struct held_lock *this, debug_atomic_dec(&nr_unused_locks); break; default: - __raw_spin_unlock(&hash_lock); - debug_locks_off(); + if (!debug_locks_off_graph_unlock()) + return 0; WARN_ON(1); return 0; } - __raw_spin_unlock(&hash_lock); + graph_unlock(); /* - * We must printk outside of the hash_lock: + * We must printk outside of the graph_lock: */ if (ret == 2) { printk("\nmarked lock as {%s}:\n", usage_str[new_bit]); @@ -2137,9 +2167,9 @@ out_calc_hash: * We look up the chain_key and do the O(N^2) check and update of * the dependencies only if this is a new dependency chain. * (If lookup_chain_cache() returns with 1 it acquires - * hash_lock for us) + * graph_lock for us) */ - if (!trylock && (check == 2) && lookup_chain_cache(chain_key)) { + if (!trylock && (check == 2) && lookup_chain_cache(chain_key, class)) { /* * Check whether last held lock: * @@ -2170,7 +2200,7 @@ out_calc_hash: if (!chain_head && ret != 2) if (!check_prevs_add(curr, hlock)) return 0; - __raw_spin_unlock(&hash_lock); + graph_unlock(); } curr->lockdep_depth++; check_chain_key(curr); @@ -2433,6 +2463,7 @@ EXPORT_SYMBOL_GPL(lock_release); void lockdep_reset(void) { unsigned long flags; + int i; raw_local_irq_save(flags); current->curr_chain_key = 0; @@ -2443,6 +2474,8 @@ void lockdep_reset(void) nr_softirq_chains = 0; nr_process_chains = 0; debug_locks = 1; + for (i = 0; i < CHAINHASH_SIZE; i++) + INIT_LIST_HEAD(chainhash_table + i); raw_local_irq_restore(flags); } @@ -2479,7 +2512,7 @@ void lockdep_free_key_range(void *start, unsigned long size) int i; raw_local_irq_save(flags); - __raw_spin_lock(&hash_lock); + graph_lock(); /* * Unhash all classes that were created by this module: @@ -2493,7 +2526,7 @@ void lockdep_free_key_range(void *start, unsigned long size) zap_class(class); } - __raw_spin_unlock(&hash_lock); + graph_unlock(); raw_local_irq_restore(flags); } @@ -2521,20 +2554,20 @@ void lockdep_reset_lock(struct lockdep_map *lock) * Debug check: in the end all mapped classes should * be gone. */ - __raw_spin_lock(&hash_lock); + graph_lock(); for (i = 0; i < CLASSHASH_SIZE; i++) { head = classhash_table + i; if (list_empty(head)) continue; list_for_each_entry_safe(class, next, head, hash_entry) { if (unlikely(class == lock->class_cache)) { - __raw_spin_unlock(&hash_lock); - DEBUG_LOCKS_WARN_ON(1); + if (debug_locks_off_graph_unlock()) + WARN_ON(1); goto out_restore; } } } - __raw_spin_unlock(&hash_lock); + graph_unlock(); out_restore: raw_local_irq_restore(flags); diff --git a/kernel/module.c b/kernel/module.c index d9eae45d0145a..b565eaeff7e6d 100644 --- a/kernel/module.c +++ b/kernel/module.c @@ -824,9 +824,34 @@ static inline void module_unload_init(struct module *mod) } #endif /* CONFIG_MODULE_UNLOAD */ +static ssize_t show_initstate(struct module_attribute *mattr, + struct module *mod, char *buffer) +{ + const char *state = "unknown"; + + switch (mod->state) { + case MODULE_STATE_LIVE: + state = "live"; + break; + case MODULE_STATE_COMING: + state = "coming"; + break; + case MODULE_STATE_GOING: + state = "going"; + break; + } + return sprintf(buffer, "%s\n", state); +} + +static struct module_attribute initstate = { + .attr = { .name = "initstate", .mode = 0444, .owner = THIS_MODULE }, + .show = show_initstate, +}; + static struct module_attribute *modinfo_attrs[] = { &modinfo_version, &modinfo_srcversion, + &initstate, #ifdef CONFIG_MODULE_UNLOAD &refcnt, #endif diff --git a/kernel/nsproxy.c b/kernel/nsproxy.c index e2ce748e96afa..f5b9ee6f6bbb0 100644 --- a/kernel/nsproxy.c +++ b/kernel/nsproxy.c @@ -46,10 +46,8 @@ static inline struct nsproxy *clone_namespaces(struct nsproxy *orig) struct nsproxy *ns; ns = kmemdup(orig, sizeof(struct nsproxy), GFP_KERNEL); - if (ns) { + if (ns) atomic_set(&ns->count, 1); - ns->id = -1; - } return ns; } diff --git a/kernel/power/Kconfig b/kernel/power/Kconfig index 710ed084e7c56..ed296225dcd4a 100644 --- a/kernel/power/Kconfig +++ b/kernel/power/Kconfig @@ -20,13 +20,14 @@ config PM sending the processor to sleep and saving power. config PM_LEGACY - bool "Legacy Power Management API" + bool "Legacy Power Management API (DEPRECATED)" depends on PM - default y + default n ---help--- - Support for pm_register() and friends. + Support for pm_register() and friends. This old API is obsoleted + by the driver model. - If unsure, say Y. + If unsure, say N. config PM_DEBUG bool "Power Management Debug Support" diff --git a/kernel/power/process.c b/kernel/power/process.c index 99eeb119b06db..6d566bf7085c0 100644 --- a/kernel/power/process.c +++ b/kernel/power/process.c @@ -28,8 +28,7 @@ static inline int freezeable(struct task_struct * p) if ((p == current) || (p->flags & PF_NOFREEZE) || (p->exit_state == EXIT_ZOMBIE) || - (p->exit_state == EXIT_DEAD) || - (p->state == TASK_STOPPED)) + (p->exit_state == EXIT_DEAD)) return 0; return 1; } @@ -61,10 +60,16 @@ static inline void freeze_process(struct task_struct *p) unsigned long flags; if (!freezing(p)) { - freeze(p); - spin_lock_irqsave(&p->sighand->siglock, flags); - signal_wake_up(p, 0); - spin_unlock_irqrestore(&p->sighand->siglock, flags); + rmb(); + if (!frozen(p)) { + if (p->state == TASK_STOPPED) + force_sig_specific(SIGSTOP, p); + + freeze(p); + spin_lock_irqsave(&p->sighand->siglock, flags); + signal_wake_up(p, p->state == TASK_STOPPED); + spin_unlock_irqrestore(&p->sighand->siglock, flags); + } } } @@ -103,9 +108,7 @@ static unsigned int try_to_freeze_tasks(int freeze_user_space) if (frozen(p)) continue; - if (p->state == TASK_TRACED && - (frozen(p->parent) || - p->parent->state == TASK_STOPPED)) { + if (p->state == TASK_TRACED && frozen(p->parent)) { cancel_freezing(p); continue; } diff --git a/kernel/relay.c b/kernel/relay.c index 818e514729cf0..a4701e7ba7d09 100644 --- a/kernel/relay.c +++ b/kernel/relay.c @@ -138,7 +138,7 @@ depopulate: */ struct rchan_buf *relay_create_buf(struct rchan *chan) { - struct rchan_buf *buf = kcalloc(1, sizeof(struct rchan_buf), GFP_KERNEL); + struct rchan_buf *buf = kzalloc(sizeof(struct rchan_buf), GFP_KERNEL); if (!buf) return NULL; @@ -479,7 +479,7 @@ struct rchan *relay_open(const char *base_filename, if (!(subbuf_size && n_subbufs)) return NULL; - chan = kcalloc(1, sizeof(struct rchan), GFP_KERNEL); + chan = kzalloc(sizeof(struct rchan), GFP_KERNEL); if (!chan) return NULL; diff --git a/kernel/sched.c b/kernel/sched.c index 8a0afb97af71c..5cd833bc21736 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -3429,6 +3429,8 @@ asmlinkage void __sched schedule(void) "%s/0x%08x/%d\n", current->comm, preempt_count(), current->pid); debug_show_held_locks(current); + if (irqs_disabled()) + print_irqtrace_events(current); dump_stack(); } profile_hit(SCHED_PROFILING, __builtin_return_address(0)); @@ -6977,6 +6979,8 @@ void __might_sleep(char *file, int line) printk("in_atomic():%d, irqs_disabled():%d\n", in_atomic(), irqs_disabled()); debug_show_held_locks(current); + if (irqs_disabled()) + print_irqtrace_events(current); dump_stack(); } #endif diff --git a/kernel/signal.c b/kernel/signal.c index 1921ffdc5e777..5630255d2e2a9 100644 --- a/kernel/signal.c +++ b/kernel/signal.c @@ -1705,7 +1705,9 @@ finish_stop(int stop_count) read_unlock(&tasklist_lock); } - schedule(); + do { + schedule(); + } while (try_to_freeze()); /* * Now we don't run again until continued. */ diff --git a/kernel/sysctl.c b/kernel/sysctl.c index 130c5ec9ee0b3..600b33358ded9 100644 --- a/kernel/sysctl.c +++ b/kernel/sysctl.c @@ -65,7 +65,6 @@ extern int sysctl_overcommit_memory; extern int sysctl_overcommit_ratio; extern int sysctl_panic_on_oom; extern int max_threads; -extern int sysrq_enabled; extern int core_uses_pid; extern int suid_dumpable; extern char core_pattern[]; @@ -543,7 +542,7 @@ static ctl_table kern_table[] = { { .ctl_name = KERN_SYSRQ, .procname = "sysrq", - .data = &sysrq_enabled, + .data = &__sysrq_enabled, .maxlen = sizeof (int), .mode = 0644, .proc_handler = &proc_dointvec, diff --git a/kernel/timer.c b/kernel/timer.c index 0256ab443d8a3..feddf817baa57 100644 --- a/kernel/timer.c +++ b/kernel/timer.c @@ -1146,11 +1146,15 @@ static inline void calc_load(unsigned long ticks) unsigned long active_tasks; /* fixed-point */ static int count = LOAD_FREQ; - active_tasks = count_active_tasks(); - for (count -= ticks; count < 0; count += LOAD_FREQ) { - CALC_LOAD(avenrun[0], EXP_1, active_tasks); - CALC_LOAD(avenrun[1], EXP_5, active_tasks); - CALC_LOAD(avenrun[2], EXP_15, active_tasks); + count -= ticks; + if (unlikely(count < 0)) { + active_tasks = count_active_tasks(); + do { + CALC_LOAD(avenrun[0], EXP_1, active_tasks); + CALC_LOAD(avenrun[1], EXP_5, active_tasks); + CALC_LOAD(avenrun[2], EXP_15, active_tasks); + count += LOAD_FREQ; + } while (count < 0); } } diff --git a/kernel/unwind.c b/kernel/unwind.c deleted file mode 100644 index 09c261329249d..0000000000000 --- a/kernel/unwind.c +++ /dev/null @@ -1,1305 +0,0 @@ -/* - * Copyright (C) 2002-2006 Novell, Inc. - * Jan Beulich <jbeulich@novell.com> - * This code is released under version 2 of the GNU GPL. - * - * A simple API for unwinding kernel stacks. This is used for - * debugging and error reporting purposes. The kernel doesn't need - * full-blown stack unwinding with all the bells and whistles, so there - * is not much point in implementing the full Dwarf2 unwind API. - */ - -#include <linux/unwind.h> -#include <linux/module.h> -#include <linux/bootmem.h> -#include <linux/sort.h> -#include <linux/stop_machine.h> -#include <linux/uaccess.h> -#include <asm/sections.h> -#include <asm/uaccess.h> -#include <asm/unaligned.h> - -extern const char __start_unwind[], __end_unwind[]; -extern const u8 __start_unwind_hdr[], __end_unwind_hdr[]; - -#define MAX_STACK_DEPTH 8 - -#define EXTRA_INFO(f) { \ - BUILD_BUG_ON_ZERO(offsetof(struct unwind_frame_info, f) \ - % FIELD_SIZEOF(struct unwind_frame_info, f)) \ - + offsetof(struct unwind_frame_info, f) \ - / FIELD_SIZEOF(struct unwind_frame_info, f), \ - FIELD_SIZEOF(struct unwind_frame_info, f) \ - } -#define PTREGS_INFO(f) EXTRA_INFO(regs.f) - -static const struct { - unsigned offs:BITS_PER_LONG / 2; - unsigned width:BITS_PER_LONG / 2; -} reg_info[] = { - UNW_REGISTER_INFO -}; - -#undef PTREGS_INFO -#undef EXTRA_INFO - -#ifndef REG_INVALID -#define REG_INVALID(r) (reg_info[r].width == 0) -#endif - -#define DW_CFA_nop 0x00 -#define DW_CFA_set_loc 0x01 -#define DW_CFA_advance_loc1 0x02 -#define DW_CFA_advance_loc2 0x03 -#define DW_CFA_advance_loc4 0x04 -#define DW_CFA_offset_extended 0x05 -#define DW_CFA_restore_extended 0x06 -#define DW_CFA_undefined 0x07 -#define DW_CFA_same_value 0x08 -#define DW_CFA_register 0x09 -#define DW_CFA_remember_state 0x0a -#define DW_CFA_restore_state 0x0b -#define DW_CFA_def_cfa 0x0c -#define DW_CFA_def_cfa_register 0x0d -#define DW_CFA_def_cfa_offset 0x0e -#define DW_CFA_def_cfa_expression 0x0f -#define DW_CFA_expression 0x10 -#define DW_CFA_offset_extended_sf 0x11 -#define DW_CFA_def_cfa_sf 0x12 -#define DW_CFA_def_cfa_offset_sf 0x13 -#define DW_CFA_val_offset 0x14 -#define DW_CFA_val_offset_sf 0x15 -#define DW_CFA_val_expression 0x16 -#define DW_CFA_lo_user 0x1c -#define DW_CFA_GNU_window_save 0x2d -#define DW_CFA_GNU_args_size 0x2e -#define DW_CFA_GNU_negative_offset_extended 0x2f -#define DW_CFA_hi_user 0x3f - -#define DW_EH_PE_FORM 0x07 -#define DW_EH_PE_native 0x00 -#define DW_EH_PE_leb128 0x01 -#define DW_EH_PE_data2 0x02 -#define DW_EH_PE_data4 0x03 -#define DW_EH_PE_data8 0x04 -#define DW_EH_PE_signed 0x08 -#define DW_EH_PE_ADJUST 0x70 -#define DW_EH_PE_abs 0x00 -#define DW_EH_PE_pcrel 0x10 -#define DW_EH_PE_textrel 0x20 -#define DW_EH_PE_datarel 0x30 -#define DW_EH_PE_funcrel 0x40 -#define DW_EH_PE_aligned 0x50 -#define DW_EH_PE_indirect 0x80 -#define DW_EH_PE_omit 0xff - -typedef unsigned long uleb128_t; -typedef signed long sleb128_t; -#define sleb128abs __builtin_labs - -static struct unwind_table { - struct { - unsigned long pc; - unsigned long range; - } core, init; - const void *address; - unsigned long size; - const unsigned char *header; - unsigned long hdrsz; - struct unwind_table *link; - const char *name; -} root_table; - -struct unwind_item { - enum item_location { - Nowhere, - Memory, - Register, - Value - } where; - uleb128_t value; -}; - -struct unwind_state { - uleb128_t loc, org; - const u8 *cieStart, *cieEnd; - uleb128_t codeAlign; - sleb128_t dataAlign; - struct cfa { - uleb128_t reg, offs; - } cfa; - struct unwind_item regs[ARRAY_SIZE(reg_info)]; - unsigned stackDepth:8; - unsigned version:8; - const u8 *label; - const u8 *stack[MAX_STACK_DEPTH]; -}; - -static const struct cfa badCFA = { ARRAY_SIZE(reg_info), 1 }; - -static unsigned unwind_debug; -static int __init unwind_debug_setup(char *s) -{ - unwind_debug = simple_strtoul(s, NULL, 0); - return 1; -} -__setup("unwind_debug=", unwind_debug_setup); -#define dprintk(lvl, fmt, args...) \ - ((void)(lvl > unwind_debug \ - || printk(KERN_DEBUG "unwind: " fmt "\n", ##args))) - -static struct unwind_table *find_table(unsigned long pc) -{ - struct unwind_table *table; - - for (table = &root_table; table; table = table->link) - if ((pc >= table->core.pc - && pc < table->core.pc + table->core.range) - || (pc >= table->init.pc - && pc < table->init.pc + table->init.range)) - break; - - return table; -} - -static unsigned long read_pointer(const u8 **pLoc, - const void *end, - signed ptrType, - unsigned long text_base, - unsigned long data_base); - -static void init_unwind_table(struct unwind_table *table, - const char *name, - const void *core_start, - unsigned long core_size, - const void *init_start, - unsigned long init_size, - const void *table_start, - unsigned long table_size, - const u8 *header_start, - unsigned long header_size) -{ - const u8 *ptr = header_start + 4; - const u8 *end = header_start + header_size; - - table->core.pc = (unsigned long)core_start; - table->core.range = core_size; - table->init.pc = (unsigned long)init_start; - table->init.range = init_size; - table->address = table_start; - table->size = table_size; - /* See if the linker provided table looks valid. */ - if (header_size <= 4 - || header_start[0] != 1 - || (void *)read_pointer(&ptr, end, header_start[1], 0, 0) - != table_start - || !read_pointer(&ptr, end, header_start[2], 0, 0) - || !read_pointer(&ptr, end, header_start[3], 0, - (unsigned long)header_start) - || !read_pointer(&ptr, end, header_start[3], 0, - (unsigned long)header_start)) - header_start = NULL; - table->hdrsz = header_size; - smp_wmb(); - table->header = header_start; - table->link = NULL; - table->name = name; -} - -void __init unwind_init(void) -{ - init_unwind_table(&root_table, "kernel", - _text, _end - _text, - NULL, 0, - __start_unwind, __end_unwind - __start_unwind, - __start_unwind_hdr, __end_unwind_hdr - __start_unwind_hdr); -} - -static const u32 bad_cie, not_fde; -static const u32 *cie_for_fde(const u32 *fde, const struct unwind_table *); -static signed fde_pointer_type(const u32 *cie); - -struct eh_frame_hdr_table_entry { - unsigned long start, fde; -}; - -static int cmp_eh_frame_hdr_table_entries(const void *p1, const void *p2) -{ - const struct eh_frame_hdr_table_entry *e1 = p1; - const struct eh_frame_hdr_table_entry *e2 = p2; - - return (e1->start > e2->start) - (e1->start < e2->start); -} - -static void swap_eh_frame_hdr_table_entries(void *p1, void *p2, int size) -{ - struct eh_frame_hdr_table_entry *e1 = p1; - struct eh_frame_hdr_table_entry *e2 = p2; - unsigned long v; - - v = e1->start; - e1->start = e2->start; - e2->start = v; - v = e1->fde; - e1->fde = e2->fde; - e2->fde = v; -} - -static void __init setup_unwind_table(struct unwind_table *table, - void *(*alloc)(unsigned long)) -{ - const u8 *ptr; - unsigned long tableSize = table->size, hdrSize; - unsigned n; - const u32 *fde; - struct { - u8 version; - u8 eh_frame_ptr_enc; - u8 fde_count_enc; - u8 table_enc; - unsigned long eh_frame_ptr; - unsigned int fde_count; - struct eh_frame_hdr_table_entry table[]; - } __attribute__((__packed__)) *header; - - if (table->header) - return; - - if (table->hdrsz) - printk(KERN_WARNING ".eh_frame_hdr for '%s' present but unusable\n", - table->name); - - if (tableSize & (sizeof(*fde) - 1)) - return; - - for (fde = table->address, n = 0; - tableSize > sizeof(*fde) && tableSize - sizeof(*fde) >= *fde; - tableSize -= sizeof(*fde) + *fde, fde += 1 + *fde / sizeof(*fde)) { - const u32 *cie = cie_for_fde(fde, table); - signed ptrType; - - if (cie == ¬_fde) - continue; - if (cie == NULL - || cie == &bad_cie - || (ptrType = fde_pointer_type(cie)) < 0) - return; - ptr = (const u8 *)(fde + 2); - if (!read_pointer(&ptr, - (const u8 *)(fde + 1) + *fde, - ptrType, 0, 0)) - return; - ++n; - } - - if (tableSize || !n) - return; - - hdrSize = 4 + sizeof(unsigned long) + sizeof(unsigned int) - + 2 * n * sizeof(unsigned long); - dprintk(2, "Binary lookup table size for %s: %lu bytes", table->name, hdrSize); - header = alloc(hdrSize); - if (!header) - return; - header->version = 1; - header->eh_frame_ptr_enc = DW_EH_PE_abs|DW_EH_PE_native; - header->fde_count_enc = DW_EH_PE_abs|DW_EH_PE_data4; - header->table_enc = DW_EH_PE_abs|DW_EH_PE_native; - put_unaligned((unsigned long)table->address, &header->eh_frame_ptr); - BUILD_BUG_ON(offsetof(typeof(*header), fde_count) - % __alignof(typeof(header->fde_count))); - header->fde_count = n; - - BUILD_BUG_ON(offsetof(typeof(*header), table) - % __alignof(typeof(*header->table))); - for (fde = table->address, tableSize = table->size, n = 0; - tableSize; - tableSize -= sizeof(*fde) + *fde, fde += 1 + *fde / sizeof(*fde)) { - const u32 *cie = fde + 1 - fde[1] / sizeof(*fde); - - if (!fde[1]) - continue; /* this is a CIE */ - ptr = (const u8 *)(fde + 2); - header->table[n].start = read_pointer(&ptr, - (const u8 *)(fde + 1) + *fde, - fde_pointer_type(cie), 0, 0); - header->table[n].fde = (unsigned long)fde; - ++n; - } - WARN_ON(n != header->fde_count); - - sort(header->table, - n, - sizeof(*header->table), - cmp_eh_frame_hdr_table_entries, - swap_eh_frame_hdr_table_entries); - - table->hdrsz = hdrSize; - smp_wmb(); - table->header = (const void *)header; -} - -static void *__init balloc(unsigned long sz) -{ - return __alloc_bootmem_nopanic(sz, - sizeof(unsigned int), - __pa(MAX_DMA_ADDRESS)); -} - -void __init unwind_setup(void) -{ - setup_unwind_table(&root_table, balloc); -} - -#ifdef CONFIG_MODULES - -static struct unwind_table *last_table; - -/* Must be called with module_mutex held. */ -void *unwind_add_table(struct module *module, - const void *table_start, - unsigned long table_size) -{ - struct unwind_table *table; - - if (table_size <= 0) - return NULL; - - table = kmalloc(sizeof(*table), GFP_KERNEL); - if (!table) - return NULL; - - init_unwind_table(table, module->name, - module->module_core, module->core_size, - module->module_init, module->init_size, - table_start, table_size, - NULL, 0); - - if (last_table) - last_table->link = table; - else - root_table.link = table; - last_table = table; - - return table; -} - -struct unlink_table_info -{ - struct unwind_table *table; - int init_only; -}; - -static int unlink_table(void *arg) -{ - struct unlink_table_info *info = arg; - struct unwind_table *table = info->table, *prev; - - for (prev = &root_table; prev->link && prev->link != table; prev = prev->link) - ; - - if (prev->link) { - if (info->init_only) { - table->init.pc = 0; - table->init.range = 0; - info->table = NULL; - } else { - prev->link = table->link; - if (!prev->link) - last_table = prev; - } - } else - info->table = NULL; - - return 0; -} - -/* Must be called with module_mutex held. */ -void unwind_remove_table(void *handle, int init_only) -{ - struct unwind_table *table = handle; - struct unlink_table_info info; - - if (!table || table == &root_table) - return; - - if (init_only && table == last_table) { - table->init.pc = 0; - table->init.range = 0; - return; - } - - info.table = table; - info.init_only = init_only; - stop_machine_run(unlink_table, &info, NR_CPUS); - - if (info.table) - kfree(table); -} - -#endif /* CONFIG_MODULES */ - -static uleb128_t get_uleb128(const u8 **pcur, const u8 *end) -{ - const u8 *cur = *pcur; - uleb128_t value; - unsigned shift; - - for (shift = 0, value = 0; cur < end; shift += 7) { - if (shift + 7 > 8 * sizeof(value) - && (*cur & 0x7fU) >= (1U << (8 * sizeof(value) - shift))) { - cur = end + 1; - break; - } - value |= (uleb128_t)(*cur & 0x7f) << shift; - if (!(*cur++ & 0x80)) - break; - } - *pcur = cur; - - return value; -} - -static sleb128_t get_sleb128(const u8 **pcur, const u8 *end) -{ - const u8 *cur = *pcur; - sleb128_t value; - unsigned shift; - - for (shift = 0, value = 0; cur < end; shift += 7) { - if (shift + 7 > 8 * sizeof(value) - && (*cur & 0x7fU) >= (1U << (8 * sizeof(value) - shift))) { - cur = end + 1; - break; - } - value |= (sleb128_t)(*cur & 0x7f) << shift; - if (!(*cur & 0x80)) { - value |= -(*cur++ & 0x40) << shift; - break; - } - } - *pcur = cur; - - return value; -} - -static const u32 *cie_for_fde(const u32 *fde, const struct unwind_table *table) -{ - const u32 *cie; - - if (!*fde || (*fde & (sizeof(*fde) - 1))) - return &bad_cie; - if (!fde[1]) - return ¬_fde; /* this is a CIE */ - if ((fde[1] & (sizeof(*fde) - 1)) - || fde[1] > (unsigned long)(fde + 1) - (unsigned long)table->address) - return NULL; /* this is not a valid FDE */ - cie = fde + 1 - fde[1] / sizeof(*fde); - if (*cie <= sizeof(*cie) + 4 - || *cie >= fde[1] - sizeof(*fde) - || (*cie & (sizeof(*cie) - 1)) - || cie[1]) - return NULL; /* this is not a (valid) CIE */ - return cie; -} - -static unsigned long read_pointer(const u8 **pLoc, - const void *end, - signed ptrType, - unsigned long text_base, - unsigned long data_base) -{ - unsigned long value = 0; - union { - const u8 *p8; - const u16 *p16u; - const s16 *p16s; - const u32 *p32u; - const s32 *p32s; - const unsigned long *pul; - } ptr; - - if (ptrType < 0 || ptrType == DW_EH_PE_omit) { - dprintk(1, "Invalid pointer encoding %02X (%p,%p).", ptrType, *pLoc, end); - return 0; - } - ptr.p8 = *pLoc; - switch(ptrType & DW_EH_PE_FORM) { - case DW_EH_PE_data2: - if (end < (const void *)(ptr.p16u + 1)) { - dprintk(1, "Data16 overrun (%p,%p).", ptr.p8, end); - return 0; - } - if(ptrType & DW_EH_PE_signed) - value = get_unaligned(ptr.p16s++); - else - value = get_unaligned(ptr.p16u++); - break; - case DW_EH_PE_data4: -#ifdef CONFIG_64BIT - if (end < (const void *)(ptr.p32u + 1)) { - dprintk(1, "Data32 overrun (%p,%p).", ptr.p8, end); - return 0; - } - if(ptrType & DW_EH_PE_signed) - value = get_unaligned(ptr.p32s++); - else - value = get_unaligned(ptr.p32u++); - break; - case DW_EH_PE_data8: - BUILD_BUG_ON(sizeof(u64) != sizeof(value)); -#else - BUILD_BUG_ON(sizeof(u32) != sizeof(value)); -#endif - case DW_EH_PE_native: - if (end < (const void *)(ptr.pul + 1)) { - dprintk(1, "DataUL overrun (%p,%p).", ptr.p8, end); - return 0; - } - value = get_unaligned(ptr.pul++); - break; - case DW_EH_PE_leb128: - BUILD_BUG_ON(sizeof(uleb128_t) > sizeof(value)); - value = ptrType & DW_EH_PE_signed - ? get_sleb128(&ptr.p8, end) - : get_uleb128(&ptr.p8, end); - if ((const void *)ptr.p8 > end) { - dprintk(1, "DataLEB overrun (%p,%p).", ptr.p8, end); - return 0; - } - break; - default: - dprintk(2, "Cannot decode pointer type %02X (%p,%p).", - ptrType, ptr.p8, end); - return 0; - } - switch(ptrType & DW_EH_PE_ADJUST) { - case DW_EH_PE_abs: - break; - case DW_EH_PE_pcrel: - value += (unsigned long)*pLoc; - break; - case DW_EH_PE_textrel: - if (likely(text_base)) { - value += text_base; - break; - } - dprintk(2, "Text-relative encoding %02X (%p,%p), but zero text base.", - ptrType, *pLoc, end); - return 0; - case DW_EH_PE_datarel: - if (likely(data_base)) { - value += data_base; - break; - } - dprintk(2, "Data-relative encoding %02X (%p,%p), but zero data base.", - ptrType, *pLoc, end); - return 0; - default: - dprintk(2, "Cannot adjust pointer type %02X (%p,%p).", - ptrType, *pLoc, end); - return 0; - } - if ((ptrType & DW_EH_PE_indirect) - && probe_kernel_address((unsigned long *)value, value)) { - dprintk(1, "Cannot read indirect value %lx (%p,%p).", - value, *pLoc, end); - return 0; - } - *pLoc = ptr.p8; - - return value; -} - -static signed fde_pointer_type(const u32 *cie) -{ - const u8 *ptr = (const u8 *)(cie + 2); - unsigned version = *ptr; - - if (version != 1) - return -1; /* unsupported */ - if (*++ptr) { - const char *aug; - const u8 *end = (const u8 *)(cie + 1) + *cie; - uleb128_t len; - - /* check if augmentation size is first (and thus present) */ - if (*ptr != 'z') - return -1; - /* check if augmentation string is nul-terminated */ - if ((ptr = memchr(aug = (const void *)ptr, 0, end - ptr)) == NULL) - return -1; - ++ptr; /* skip terminator */ - get_uleb128(&ptr, end); /* skip code alignment */ - get_sleb128(&ptr, end); /* skip data alignment */ - /* skip return address column */ - version <= 1 ? (void)++ptr : (void)get_uleb128(&ptr, end); - len = get_uleb128(&ptr, end); /* augmentation length */ - if (ptr + len < ptr || ptr + len > end) - return -1; - end = ptr + len; - while (*++aug) { - if (ptr >= end) - return -1; - switch(*aug) { - case 'L': - ++ptr; - break; - case 'P': { - signed ptrType = *ptr++; - - if (!read_pointer(&ptr, end, ptrType, 0, 0) - || ptr > end) - return -1; - } - break; - case 'R': - return *ptr; - default: - return -1; - } - } - } - return DW_EH_PE_native|DW_EH_PE_abs; -} - -static int advance_loc(unsigned long delta, struct unwind_state *state) -{ - state->loc += delta * state->codeAlign; - - return delta > 0; -} - -static void set_rule(uleb128_t reg, - enum item_location where, - uleb128_t value, - struct unwind_state *state) -{ - if (reg < ARRAY_SIZE(state->regs)) { - state->regs[reg].where = where; - state->regs[reg].value = value; - } -} - -static int processCFI(const u8 *start, - const u8 *end, - unsigned long targetLoc, - signed ptrType, - struct unwind_state *state) -{ - union { - const u8 *p8; - const u16 *p16; - const u32 *p32; - } ptr; - int result = 1; - - if (start != state->cieStart) { - state->loc = state->org; - result = processCFI(state->cieStart, state->cieEnd, 0, ptrType, state); - if (targetLoc == 0 && state->label == NULL) - return result; - } - for (ptr.p8 = start; result && ptr.p8 < end; ) { - switch(*ptr.p8 >> 6) { - uleb128_t value; - - case 0: - switch(*ptr.p8++) { - case DW_CFA_nop: - break; - case DW_CFA_set_loc: - state->loc = read_pointer(&ptr.p8, end, ptrType, 0, 0); - if (state->loc == 0) - result = 0; - break; - case DW_CFA_advance_loc1: - result = ptr.p8 < end && advance_loc(*ptr.p8++, state); - break; - case DW_CFA_advance_loc2: - result = ptr.p8 <= end + 2 - && advance_loc(*ptr.p16++, state); - break; - case DW_CFA_advance_loc4: - result = ptr.p8 <= end + 4 - && advance_loc(*ptr.p32++, state); - break; - case DW_CFA_offset_extended: - value = get_uleb128(&ptr.p8, end); - set_rule(value, Memory, get_uleb128(&ptr.p8, end), state); - break; - case DW_CFA_val_offset: - value = get_uleb128(&ptr.p8, end); - set_rule(value, Value, get_uleb128(&ptr.p8, end), state); - break; - case DW_CFA_offset_extended_sf: - value = get_uleb128(&ptr.p8, end); - set_rule(value, Memory, get_sleb128(&ptr.p8, end), state); - break; - case DW_CFA_val_offset_sf: - value = get_uleb128(&ptr.p8, end); - set_rule(value, Value, get_sleb128(&ptr.p8, end), state); - break; - case DW_CFA_restore_extended: - case DW_CFA_undefined: - case DW_CFA_same_value: - set_rule(get_uleb128(&ptr.p8, end), Nowhere, 0, state); - break; - case DW_CFA_register: - value = get_uleb128(&ptr.p8, end); - set_rule(value, - Register, - get_uleb128(&ptr.p8, end), state); - break; - case DW_CFA_remember_state: - if (ptr.p8 == state->label) { - state->label = NULL; - return 1; - } - if (state->stackDepth >= MAX_STACK_DEPTH) { - dprintk(1, "State stack overflow (%p,%p).", ptr.p8, end); - return 0; - } - state->stack[state->stackDepth++] = ptr.p8; - break; - case DW_CFA_restore_state: - if (state->stackDepth) { - const uleb128_t loc = state->loc; - const u8 *label = state->label; - - state->label = state->stack[state->stackDepth - 1]; - memcpy(&state->cfa, &badCFA, sizeof(state->cfa)); - memset(state->regs, 0, sizeof(state->regs)); - state->stackDepth = 0; - result = processCFI(start, end, 0, ptrType, state); - state->loc = loc; - state->label = label; - } else { - dprintk(1, "State stack underflow (%p,%p).", ptr.p8, end); - return 0; - } - break; - case DW_CFA_def_cfa: - state->cfa.reg = get_uleb128(&ptr.p8, end); - /*nobreak*/ - case DW_CFA_def_cfa_offset: - state->cfa.offs = get_uleb128(&ptr.p8, end); - break; - case DW_CFA_def_cfa_sf: - state->cfa.reg = get_uleb128(&ptr.p8, end); - /*nobreak*/ - case DW_CFA_def_cfa_offset_sf: - state->cfa.offs = get_sleb128(&ptr.p8, end) - * state->dataAlign; - break; - case DW_CFA_def_cfa_register: - state->cfa.reg = get_uleb128(&ptr.p8, end); - break; - /*todo case DW_CFA_def_cfa_expression: */ - /*todo case DW_CFA_expression: */ - /*todo case DW_CFA_val_expression: */ - case DW_CFA_GNU_args_size: - get_uleb128(&ptr.p8, end); - break; - case DW_CFA_GNU_negative_offset_extended: - value = get_uleb128(&ptr.p8, end); - set_rule(value, - Memory, - (uleb128_t)0 - get_uleb128(&ptr.p8, end), state); - break; - case DW_CFA_GNU_window_save: - default: - dprintk(1, "Unrecognized CFI op %02X (%p,%p).", ptr.p8[-1], ptr.p8 - 1, end); - result = 0; - break; - } - break; - case 1: - result = advance_loc(*ptr.p8++ & 0x3f, state); - break; - case 2: - value = *ptr.p8++ & 0x3f; - set_rule(value, Memory, get_uleb128(&ptr.p8, end), state); - break; - case 3: - set_rule(*ptr.p8++ & 0x3f, Nowhere, 0, state); - break; - } - if (ptr.p8 > end) { - dprintk(1, "Data overrun (%p,%p).", ptr.p8, end); - result = 0; - } - if (result && targetLoc != 0 && targetLoc < state->loc) - return 1; - } - - if (result && ptr.p8 < end) - dprintk(1, "Data underrun (%p,%p).", ptr.p8, end); - - return result - && ptr.p8 == end - && (targetLoc == 0 - || (/*todo While in theory this should apply, gcc in practice omits - everything past the function prolog, and hence the location - never reaches the end of the function. - targetLoc < state->loc &&*/ state->label == NULL)); -} - -/* Unwind to previous to frame. Returns 0 if successful, negative - * number in case of an error. */ -int unwind(struct unwind_frame_info *frame) -{ -#define FRAME_REG(r, t) (((t *)frame)[reg_info[r].offs]) - const u32 *fde = NULL, *cie = NULL; - const u8 *ptr = NULL, *end = NULL; - unsigned long pc = UNW_PC(frame) - frame->call_frame, sp; - unsigned long startLoc = 0, endLoc = 0, cfa; - unsigned i; - signed ptrType = -1; - uleb128_t retAddrReg = 0; - const struct unwind_table *table; - struct unwind_state state; - - if (UNW_PC(frame) == 0) - return -EINVAL; - if ((table = find_table(pc)) != NULL - && !(table->size & (sizeof(*fde) - 1))) { - const u8 *hdr = table->header; - unsigned long tableSize; - - smp_rmb(); - if (hdr && hdr[0] == 1) { - switch(hdr[3] & DW_EH_PE_FORM) { - case DW_EH_PE_native: tableSize = sizeof(unsigned long); break; - case DW_EH_PE_data2: tableSize = 2; break; - case DW_EH_PE_data4: tableSize = 4; break; - case DW_EH_PE_data8: tableSize = 8; break; - default: tableSize = 0; break; - } - ptr = hdr + 4; - end = hdr + table->hdrsz; - if (tableSize - && read_pointer(&ptr, end, hdr[1], 0, 0) - == (unsigned long)table->address - && (i = read_pointer(&ptr, end, hdr[2], 0, 0)) > 0 - && i == (end - ptr) / (2 * tableSize) - && !((end - ptr) % (2 * tableSize))) { - do { - const u8 *cur = ptr + (i / 2) * (2 * tableSize); - - startLoc = read_pointer(&cur, - cur + tableSize, - hdr[3], 0, - (unsigned long)hdr); - if (pc < startLoc) - i /= 2; - else { - ptr = cur - tableSize; - i = (i + 1) / 2; - } - } while (startLoc && i > 1); - if (i == 1 - && (startLoc = read_pointer(&ptr, - ptr + tableSize, - hdr[3], 0, - (unsigned long)hdr)) != 0 - && pc >= startLoc) - fde = (void *)read_pointer(&ptr, - ptr + tableSize, - hdr[3], 0, - (unsigned long)hdr); - } - } - if(hdr && !fde) - dprintk(3, "Binary lookup for %lx failed.", pc); - - if (fde != NULL) { - cie = cie_for_fde(fde, table); - ptr = (const u8 *)(fde + 2); - if(cie != NULL - && cie != &bad_cie - && cie != ¬_fde - && (ptrType = fde_pointer_type(cie)) >= 0 - && read_pointer(&ptr, - (const u8 *)(fde + 1) + *fde, - ptrType, 0, 0) == startLoc) { - if (!(ptrType & DW_EH_PE_indirect)) - ptrType &= DW_EH_PE_FORM|DW_EH_PE_signed; - endLoc = startLoc - + read_pointer(&ptr, - (const u8 *)(fde + 1) + *fde, - ptrType, 0, 0); - if(pc >= endLoc) - fde = NULL; - } else - fde = NULL; - if(!fde) - dprintk(1, "Binary lookup result for %lx discarded.", pc); - } - if (fde == NULL) { - for (fde = table->address, tableSize = table->size; - cie = NULL, tableSize > sizeof(*fde) - && tableSize - sizeof(*fde) >= *fde; - tableSize -= sizeof(*fde) + *fde, - fde += 1 + *fde / sizeof(*fde)) { - cie = cie_for_fde(fde, table); - if (cie == &bad_cie) { - cie = NULL; - break; - } - if (cie == NULL - || cie == ¬_fde - || (ptrType = fde_pointer_type(cie)) < 0) - continue; - ptr = (const u8 *)(fde + 2); - startLoc = read_pointer(&ptr, - (const u8 *)(fde + 1) + *fde, - ptrType, 0, 0); - if (!startLoc) - continue; - if (!(ptrType & DW_EH_PE_indirect)) - ptrType &= DW_EH_PE_FORM|DW_EH_PE_signed; - endLoc = startLoc - + read_pointer(&ptr, - (const u8 *)(fde + 1) + *fde, - ptrType, 0, 0); - if (pc >= startLoc && pc < endLoc) - break; - } - if(!fde) - dprintk(3, "Linear lookup for %lx failed.", pc); - } - } - if (cie != NULL) { - memset(&state, 0, sizeof(state)); - state.cieEnd = ptr; /* keep here temporarily */ - ptr = (const u8 *)(cie + 2); - end = (const u8 *)(cie + 1) + *cie; - frame->call_frame = 1; - if ((state.version = *ptr) != 1) - cie = NULL; /* unsupported version */ - else if (*++ptr) { - /* check if augmentation size is first (and thus present) */ - if (*ptr == 'z') { - while (++ptr < end && *ptr) { - switch(*ptr) { - /* check for ignorable (or already handled) - * nul-terminated augmentation string */ - case 'L': - case 'P': - case 'R': - continue; - case 'S': - frame->call_frame = 0; - continue; - default: - break; - } - break; - } - } - if (ptr >= end || *ptr) - cie = NULL; - } - if(!cie) - dprintk(1, "CIE unusable (%p,%p).", ptr, end); - ++ptr; - } - if (cie != NULL) { - /* get code aligment factor */ - state.codeAlign = get_uleb128(&ptr, end); - /* get data aligment factor */ - state.dataAlign = get_sleb128(&ptr, end); - if (state.codeAlign == 0 || state.dataAlign == 0 || ptr >= end) - cie = NULL; - else if (UNW_PC(frame) % state.codeAlign - || UNW_SP(frame) % sleb128abs(state.dataAlign)) { - dprintk(1, "Input pointer(s) misaligned (%lx,%lx).", - UNW_PC(frame), UNW_SP(frame)); - return -EPERM; - } else { - retAddrReg = state.version <= 1 ? *ptr++ : get_uleb128(&ptr, end); - /* skip augmentation */ - if (((const char *)(cie + 2))[1] == 'z') { - uleb128_t augSize = get_uleb128(&ptr, end); - - ptr += augSize; - } - if (ptr > end - || retAddrReg >= ARRAY_SIZE(reg_info) - || REG_INVALID(retAddrReg) - || reg_info[retAddrReg].width != sizeof(unsigned long)) - cie = NULL; - } - if(!cie) - dprintk(1, "CIE validation failed (%p,%p).", ptr, end); - } - if (cie != NULL) { - state.cieStart = ptr; - ptr = state.cieEnd; - state.cieEnd = end; - end = (const u8 *)(fde + 1) + *fde; - /* skip augmentation */ - if (((const char *)(cie + 2))[1] == 'z') { - uleb128_t augSize = get_uleb128(&ptr, end); - - if ((ptr += augSize) > end) - fde = NULL; - } - if(!fde) - dprintk(1, "FDE validation failed (%p,%p).", ptr, end); - } - if (cie == NULL || fde == NULL) { -#ifdef CONFIG_FRAME_POINTER - unsigned long top, bottom; - - if ((UNW_SP(frame) | UNW_FP(frame)) % sizeof(unsigned long)) - return -EPERM; - top = STACK_TOP(frame->task); - bottom = STACK_BOTTOM(frame->task); -# if FRAME_RETADDR_OFFSET < 0 - if (UNW_SP(frame) < top - && UNW_FP(frame) <= UNW_SP(frame) - && bottom < UNW_FP(frame) -# else - if (UNW_SP(frame) > top - && UNW_FP(frame) >= UNW_SP(frame) - && bottom > UNW_FP(frame) -# endif - && !((UNW_SP(frame) | UNW_FP(frame)) - & (sizeof(unsigned long) - 1))) { - unsigned long link; - - if (!probe_kernel_address( - (unsigned long *)(UNW_FP(frame) - + FRAME_LINK_OFFSET), - link) -# if FRAME_RETADDR_OFFSET < 0 - && link > bottom && link < UNW_FP(frame) -# else - && link > UNW_FP(frame) && link < bottom -# endif - && !(link & (sizeof(link) - 1)) - && !probe_kernel_address( - (unsigned long *)(UNW_FP(frame) - + FRAME_RETADDR_OFFSET), UNW_PC(frame))) { - UNW_SP(frame) = UNW_FP(frame) + FRAME_RETADDR_OFFSET -# if FRAME_RETADDR_OFFSET < 0 - - -# else - + -# endif - sizeof(UNW_PC(frame)); - UNW_FP(frame) = link; - return 0; - } - } -#endif - return -ENXIO; - } - state.org = startLoc; - memcpy(&state.cfa, &badCFA, sizeof(state.cfa)); - /* process instructions */ - if (!processCFI(ptr, end, pc, ptrType, &state) - || state.loc > endLoc - || state.regs[retAddrReg].where == Nowhere - || state.cfa.reg >= ARRAY_SIZE(reg_info) - || reg_info[state.cfa.reg].width != sizeof(unsigned long) - || FRAME_REG(state.cfa.reg, unsigned long) % sizeof(unsigned long) - || state.cfa.offs % sizeof(unsigned long)) { - dprintk(1, "Unusable unwind info (%p,%p).", ptr, end); - return -EIO; - } - /* update frame */ -#ifndef CONFIG_AS_CFI_SIGNAL_FRAME - if(frame->call_frame - && !UNW_DEFAULT_RA(state.regs[retAddrReg], state.dataAlign)) - frame->call_frame = 0; -#endif - cfa = FRAME_REG(state.cfa.reg, unsigned long) + state.cfa.offs; - startLoc = min((unsigned long)UNW_SP(frame), cfa); - endLoc = max((unsigned long)UNW_SP(frame), cfa); - if (STACK_LIMIT(startLoc) != STACK_LIMIT(endLoc)) { - startLoc = min(STACK_LIMIT(cfa), cfa); - endLoc = max(STACK_LIMIT(cfa), cfa); - } -#ifndef CONFIG_64BIT -# define CASES CASE(8); CASE(16); CASE(32) -#else -# define CASES CASE(8); CASE(16); CASE(32); CASE(64) -#endif - pc = UNW_PC(frame); - sp = UNW_SP(frame); - for (i = 0; i < ARRAY_SIZE(state.regs); ++i) { - if (REG_INVALID(i)) { - if (state.regs[i].where == Nowhere) - continue; - dprintk(1, "Cannot restore register %u (%d).", - i, state.regs[i].where); - return -EIO; - } - switch(state.regs[i].where) { - default: - break; - case Register: - if (state.regs[i].value >= ARRAY_SIZE(reg_info) - || REG_INVALID(state.regs[i].value) - || reg_info[i].width > reg_info[state.regs[i].value].width) { - dprintk(1, "Cannot restore register %u from register %lu.", - i, state.regs[i].value); - return -EIO; - } - switch(reg_info[state.regs[i].value].width) { -#define CASE(n) \ - case sizeof(u##n): \ - state.regs[i].value = FRAME_REG(state.regs[i].value, \ - const u##n); \ - break - CASES; -#undef CASE - default: - dprintk(1, "Unsupported register size %u (%lu).", - reg_info[state.regs[i].value].width, - state.regs[i].value); - return -EIO; - } - break; - } - } - for (i = 0; i < ARRAY_SIZE(state.regs); ++i) { - if (REG_INVALID(i)) - continue; - switch(state.regs[i].where) { - case Nowhere: - if (reg_info[i].width != sizeof(UNW_SP(frame)) - || &FRAME_REG(i, __typeof__(UNW_SP(frame))) - != &UNW_SP(frame)) - continue; - UNW_SP(frame) = cfa; - break; - case Register: - switch(reg_info[i].width) { -#define CASE(n) case sizeof(u##n): \ - FRAME_REG(i, u##n) = state.regs[i].value; \ - break - CASES; -#undef CASE - default: - dprintk(1, "Unsupported register size %u (%u).", - reg_info[i].width, i); - return -EIO; - } - break; - case Value: - if (reg_info[i].width != sizeof(unsigned long)) { - dprintk(1, "Unsupported value size %u (%u).", - reg_info[i].width, i); - return -EIO; - } - FRAME_REG(i, unsigned long) = cfa + state.regs[i].value - * state.dataAlign; - break; - case Memory: { - unsigned long addr = cfa + state.regs[i].value - * state.dataAlign; - - if ((state.regs[i].value * state.dataAlign) - % sizeof(unsigned long) - || addr < startLoc - || addr + sizeof(unsigned long) < addr - || addr + sizeof(unsigned long) > endLoc) { - dprintk(1, "Bad memory location %lx (%lx).", - addr, state.regs[i].value); - return -EIO; - } - switch(reg_info[i].width) { -#define CASE(n) case sizeof(u##n): \ - probe_kernel_address((u##n *)addr, FRAME_REG(i, u##n)); \ - break - CASES; -#undef CASE - default: - dprintk(1, "Unsupported memory size %u (%u).", - reg_info[i].width, i); - return -EIO; - } - } - break; - } - } - - if (UNW_PC(frame) % state.codeAlign - || UNW_SP(frame) % sleb128abs(state.dataAlign)) { - dprintk(1, "Output pointer(s) misaligned (%lx,%lx).", - UNW_PC(frame), UNW_SP(frame)); - return -EIO; - } - if (pc == UNW_PC(frame) && sp == UNW_SP(frame)) { - dprintk(1, "No progress (%lx,%lx).", pc, sp); - return -EIO; - } - - return 0; -#undef CASES -#undef FRAME_REG -} -EXPORT_SYMBOL(unwind); - -int unwind_init_frame_info(struct unwind_frame_info *info, - struct task_struct *tsk, - /*const*/ struct pt_regs *regs) -{ - info->task = tsk; - info->call_frame = 0; - arch_unw_init_frame_info(info, regs); - - return 0; -} -EXPORT_SYMBOL(unwind_init_frame_info); - -/* - * Prepare to unwind a blocked task. - */ -int unwind_init_blocked(struct unwind_frame_info *info, - struct task_struct *tsk) -{ - info->task = tsk; - info->call_frame = 0; - arch_unw_init_blocked(info); - - return 0; -} -EXPORT_SYMBOL(unwind_init_blocked); - -/* - * Prepare to unwind the currently running thread. - */ -int unwind_init_running(struct unwind_frame_info *info, - asmlinkage int (*callback)(struct unwind_frame_info *, - void *arg), - void *arg) -{ - info->task = current; - info->call_frame = 0; - - return arch_unwind_init_running(info, callback, arg); -} -EXPORT_SYMBOL(unwind_init_running); - -/* - * Unwind until the return pointer is in user-land (or until an error - * occurs). Returns 0 if successful, negative number in case of - * error. - */ -int unwind_to_user(struct unwind_frame_info *info) -{ - while (!arch_unw_user_mode(info)) { - int err = unwind(info); - - if (err < 0) - return err; - } - - return 0; -} -EXPORT_SYMBOL(unwind_to_user); diff --git a/kernel/workqueue.c b/kernel/workqueue.c index db49886bfae17..742cbbe49bdc6 100644 --- a/kernel/workqueue.c +++ b/kernel/workqueue.c @@ -96,13 +96,13 @@ static inline void set_wq_data(struct work_struct *work, void *wq) BUG_ON(!work_pending(work)); new = (unsigned long) wq | (1UL << WORK_STRUCT_PENDING); - new |= work->management & WORK_STRUCT_FLAG_MASK; - work->management = new; + new |= WORK_STRUCT_FLAG_MASK & *work_data_bits(work); + atomic_long_set(&work->data, new); } static inline void *get_wq_data(struct work_struct *work) { - return (void *) (work->management & WORK_STRUCT_WQ_DATA_MASK); + return (void *) (atomic_long_read(&work->data) & WORK_STRUCT_WQ_DATA_MASK); } static int __run_work(struct cpu_workqueue_struct *cwq, struct work_struct *work) @@ -133,7 +133,7 @@ static int __run_work(struct cpu_workqueue_struct *cwq, struct work_struct *work list_del_init(&work->entry); spin_unlock_irqrestore(&cwq->lock, flags); - if (!test_bit(WORK_STRUCT_NOAUTOREL, &work->management)) + if (!test_bit(WORK_STRUCT_NOAUTOREL, work_data_bits(work))) work_release(work); f(work); @@ -206,7 +206,7 @@ int fastcall queue_work(struct workqueue_struct *wq, struct work_struct *work) { int ret = 0, cpu = get_cpu(); - if (!test_and_set_bit(WORK_STRUCT_PENDING, &work->management)) { + if (!test_and_set_bit(WORK_STRUCT_PENDING, work_data_bits(work))) { if (unlikely(is_single_threaded(wq))) cpu = singlethread_cpu; BUG_ON(!list_empty(&work->entry)); @@ -248,7 +248,7 @@ int fastcall queue_delayed_work(struct workqueue_struct *wq, if (delay == 0) return queue_work(wq, work); - if (!test_and_set_bit(WORK_STRUCT_PENDING, &work->management)) { + if (!test_and_set_bit(WORK_STRUCT_PENDING, work_data_bits(work))) { BUG_ON(timer_pending(timer)); BUG_ON(!list_empty(&work->entry)); @@ -280,7 +280,7 @@ int queue_delayed_work_on(int cpu, struct workqueue_struct *wq, struct timer_list *timer = &dwork->timer; struct work_struct *work = &dwork->work; - if (!test_and_set_bit(WORK_STRUCT_PENDING, &work->management)) { + if (!test_and_set_bit(WORK_STRUCT_PENDING, work_data_bits(work))) { BUG_ON(timer_pending(timer)); BUG_ON(!list_empty(&work->entry)); @@ -321,7 +321,7 @@ static void run_workqueue(struct cpu_workqueue_struct *cwq) spin_unlock_irqrestore(&cwq->lock, flags); BUG_ON(get_wq_data(work) != cwq); - if (!test_bit(WORK_STRUCT_NOAUTOREL, &work->management)) + if (!test_bit(WORK_STRUCT_NOAUTOREL, work_data_bits(work))) work_release(work); f(work); diff --git a/lib/Kconfig b/lib/Kconfig index 47b172df3e312..9b03581cdecb3 100644 --- a/lib/Kconfig +++ b/lib/Kconfig @@ -101,4 +101,9 @@ config TEXTSEARCH_FSM config PLIST boolean +config IOMAP_COPY + boolean + depends on !UML + default y + endmenu diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 818e4589f7184..5c2681875b9ac 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -354,24 +354,6 @@ config FRAME_POINTER some architectures or if you use external debuggers. If you don't debug the kernel, you can say N. -config UNWIND_INFO - bool "Compile the kernel with frame unwind information" - depends on !IA64 && !PARISC && !ARM - depends on !MODULES || !(MIPS || PPC || SUPERH || V850) - help - If you say Y here the resulting kernel image will be slightly larger - but not slower, and it will give very useful debugging information. - If you don't debug the kernel, you can say N, but we may not be able - to solve problems without frame unwind information or frame pointers. - -config STACK_UNWIND - bool "Stack unwind support" - depends on UNWIND_INFO - depends on X86 - help - This enables more precise stack traces, omitting all unrelated - occurrences of pointers into kernel code from the dump. - config FORCED_INLINING bool "Force gcc to inline functions marked 'inline'" depends on DEBUG_KERNEL diff --git a/lib/Makefile b/lib/Makefile index 2d6106af53cdf..77b4bad7d441b 100644 --- a/lib/Makefile +++ b/lib/Makefile @@ -5,20 +5,21 @@ lib-y := ctype.o string.o vsprintf.o cmdline.o \ bust_spinlocks.o rbtree.o radix-tree.o dump_stack.o \ idr.o div64.o int_sqrt.o bitmap.o extable.o prio_tree.o \ - sha1.o irq_regs.o + sha1.o irq_regs.o reciprocal_div.o lib-$(CONFIG_MMU) += ioremap.o lib-$(CONFIG_SMP) += cpumask.o lib-y += kobject.o kref.o kobject_uevent.o klist.o -obj-y += sort.o parser.o halfmd4.o iomap_copy.o debug_locks.o random32.o +obj-y += sort.o parser.o halfmd4.o debug_locks.o random32.o ifeq ($(CONFIG_DEBUG_KOBJECT),y) CFLAGS_kobject.o += -DDEBUG CFLAGS_kobject_uevent.o += -DDEBUG endif +obj-$(CONFIG_IOMAP_COPY) += iomap_copy.o obj-$(CONFIG_DEBUG_LOCKING_API_SELFTESTS) += locking-selftest.o obj-$(CONFIG_DEBUG_SPINLOCK) += spinlock_debug.o lib-$(CONFIG_RWSEM_GENERIC_SPINLOCK) += rwsem-spinlock.o diff --git a/lib/fault-inject.c b/lib/fault-inject.c index d143c0faf248f..b5a90fc056d34 100644 --- a/lib/fault-inject.c +++ b/lib/fault-inject.c @@ -55,37 +55,7 @@ static bool fail_task(struct fault_attr *attr, struct task_struct *task) #define MAX_STACK_TRACE_DEPTH 32 -#ifdef CONFIG_STACK_UNWIND - -static asmlinkage int fail_stacktrace_callback(struct unwind_frame_info *info, - void *arg) -{ - int depth; - struct fault_attr *attr = arg; - bool found = (attr->require_start == 0 && attr->require_end == ULONG_MAX); - - for (depth = 0; depth < attr->stacktrace_depth - && unwind(info) == 0 && UNW_PC(info); depth++) { - if (arch_unw_user_mode(info)) - break; - if (attr->reject_start <= UNW_PC(info) && - UNW_PC(info) < attr->reject_end) - return false; - if (attr->require_start <= UNW_PC(info) && - UNW_PC(info) < attr->require_end) - found = true; - } - return found; -} - -static bool fail_stacktrace(struct fault_attr *attr) -{ - struct unwind_frame_info info; - - return unwind_init_running(&info, fail_stacktrace_callback, attr); -} - -#elif defined(CONFIG_STACKTRACE) +#if defined(CONFIG_STACKTRACE) static bool fail_stacktrace(struct fault_attr *attr) { diff --git a/lib/ioremap.c b/lib/ioremap.c index 99fa277f9f7b7..a9e4415b02dcc 100644 --- a/lib/ioremap.c +++ b/lib/ioremap.c @@ -5,7 +5,6 @@ * * (C) Copyright 1995 1996 Linus Torvalds */ -#include <linux/io.h> #include <linux/vmalloc.h> #include <linux/mm.h> diff --git a/lib/reciprocal_div.c b/lib/reciprocal_div.c new file mode 100644 index 0000000000000..6a3bd48fa2a06 --- /dev/null +++ b/lib/reciprocal_div.c @@ -0,0 +1,9 @@ +#include <asm/div64.h> +#include <linux/reciprocal_div.h> + +u32 reciprocal_value(u32 k) +{ + u64 val = (1LL << 32) + (k - 1); + do_div(val, k); + return (u32)val; +} diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 0ccc7f2302529..cb362f761f174 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -44,14 +44,14 @@ static void clear_huge_page(struct page *page, unsigned long addr) } static void copy_huge_page(struct page *dst, struct page *src, - unsigned long addr) + unsigned long addr, struct vm_area_struct *vma) { int i; might_sleep(); for (i = 0; i < HPAGE_SIZE/PAGE_SIZE; i++) { cond_resched(); - copy_user_highpage(dst + i, src + i, addr + i*PAGE_SIZE); + copy_user_highpage(dst + i, src + i, addr + i*PAGE_SIZE, vma); } } @@ -73,7 +73,7 @@ static struct page *dequeue_huge_page(struct vm_area_struct *vma, for (z = zonelist->zones; *z; z++) { nid = zone_to_nid(*z); - if (cpuset_zone_allowed(*z, GFP_HIGHUSER) && + if (cpuset_zone_allowed_softwall(*z, GFP_HIGHUSER) && !list_empty(&hugepage_freelists[nid])) break; } @@ -442,7 +442,7 @@ static int hugetlb_cow(struct mm_struct *mm, struct vm_area_struct *vma, } spin_unlock(&mm->page_table_lock); - copy_huge_page(new_page, old_page, address); + copy_huge_page(new_page, old_page, address, vma); spin_lock(&mm->page_table_lock); ptep = huge_pte_offset(mm, address & HPAGE_MASK); diff --git a/mm/memory.c b/mm/memory.c index bf6100236e627..c00bac66ce9f2 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -1441,7 +1441,7 @@ static inline pte_t maybe_mkwrite(pte_t pte, struct vm_area_struct *vma) return pte; } -static inline void cow_user_page(struct page *dst, struct page *src, unsigned long va) +static inline void cow_user_page(struct page *dst, struct page *src, unsigned long va, struct vm_area_struct *vma) { /* * If the source page was a PFN mapping, we don't have @@ -1464,9 +1464,9 @@ static inline void cow_user_page(struct page *dst, struct page *src, unsigned lo kunmap_atomic(kaddr, KM_USER0); flush_dcache_page(dst); return; - + } - copy_user_highpage(dst, src, va); + copy_user_highpage(dst, src, va, vma); } /* @@ -1577,7 +1577,7 @@ gotten: new_page = alloc_page_vma(GFP_HIGHUSER, vma, address); if (!new_page) goto oom; - cow_user_page(new_page, old_page, address); + cow_user_page(new_page, old_page, address, vma); } /* @@ -2200,7 +2200,7 @@ retry: page = alloc_page_vma(GFP_HIGHUSER, vma, address); if (!page) goto oom; - copy_user_highpage(page, new_page, address); + copy_user_highpage(page, new_page, address, vma); page_cache_release(new_page); new_page = page; anon = 1; diff --git a/mm/mincore.c b/mm/mincore.c index 72890780c1c94..8aca6f7167bbb 100644 --- a/mm/mincore.c +++ b/mm/mincore.c @@ -1,7 +1,7 @@ /* * linux/mm/mincore.c * - * Copyright (C) 1994-1999 Linus Torvalds + * Copyright (C) 1994-2006 Linus Torvalds */ /* @@ -38,46 +38,51 @@ static unsigned char mincore_page(struct vm_area_struct * vma, return present; } -static long mincore_vma(struct vm_area_struct * vma, - unsigned long start, unsigned long end, unsigned char __user * vec) +/* + * Do a chunk of "sys_mincore()". We've already checked + * all the arguments, we hold the mmap semaphore: we should + * just return the amount of info we're asked for. + */ +static long do_mincore(unsigned long addr, unsigned char *vec, unsigned long pages) { - long error, i, remaining; - unsigned char * tmp; - - error = -ENOMEM; - if (!vma->vm_file) - return error; - - start = ((start - vma->vm_start) >> PAGE_SHIFT) + vma->vm_pgoff; - if (end > vma->vm_end) - end = vma->vm_end; - end = ((end - vma->vm_start) >> PAGE_SHIFT) + vma->vm_pgoff; + unsigned long i, nr, pgoff; + struct vm_area_struct *vma = find_vma(current->mm, addr); - error = -EAGAIN; - tmp = (unsigned char *) __get_free_page(GFP_KERNEL); - if (!tmp) - return error; + /* + * find_vma() didn't find anything above us, or we're + * in an unmapped hole in the address space: ENOMEM. + */ + if (!vma || addr < vma->vm_start) + return -ENOMEM; - /* (end - start) is # of pages, and also # of bytes in "vec */ - remaining = (end - start), + /* + * Ok, got it. But check whether it's a segment we support + * mincore() on. Right now, we don't do any anonymous mappings. + * + * FIXME: This is just stupid. And returning ENOMEM is + * stupid too. We should just look at the page tables. But + * this is what we've traditionally done, so we'll just + * continue doing it. + */ + if (!vma->vm_file) + return -ENOMEM; - error = 0; - for (i = 0; remaining > 0; remaining -= PAGE_SIZE, i++) { - int j = 0; - long thispiece = (remaining < PAGE_SIZE) ? - remaining : PAGE_SIZE; + /* + * Calculate how many pages there are left in the vma, and + * what the pgoff is for our address. + */ + nr = (vma->vm_end - addr) >> PAGE_SHIFT; + if (nr > pages) + nr = pages; - while (j < thispiece) - tmp[j++] = mincore_page(vma, start++); + pgoff = (addr - vma->vm_start) >> PAGE_SHIFT; + pgoff += vma->vm_pgoff; - if (copy_to_user(vec + PAGE_SIZE * i, tmp, thispiece)) { - error = -EFAULT; - break; - } - } + /* And then we just fill the sucker in.. */ + for (i = 0 ; i < nr; i++, pgoff++) + vec[i] = mincore_page(vma, pgoff); - free_page((unsigned long) tmp); - return error; + return nr; } /* @@ -107,82 +112,50 @@ static long mincore_vma(struct vm_area_struct * vma, asmlinkage long sys_mincore(unsigned long start, size_t len, unsigned char __user * vec) { - int index = 0; - unsigned long end, limit; - struct vm_area_struct * vma; - size_t max; - int unmapped_error = 0; - long error; - - /* check the arguments */ - if (start & ~PAGE_CACHE_MASK) - goto einval; - - limit = TASK_SIZE; - if (start >= limit) - goto enomem; - - if (!len) - return 0; - - max = limit - start; - len = PAGE_CACHE_ALIGN(len); - if (len > max || !len) - goto enomem; + long retval; + unsigned long pages; + unsigned char *tmp; - end = start + len; + /* Check the start address: needs to be page-aligned.. */ + if (start & ~PAGE_CACHE_MASK) + return -EINVAL; - /* check the output buffer whilst holding the lock */ - error = -EFAULT; - down_read(¤t->mm->mmap_sem); + /* ..and we need to be passed a valid user-space range */ + if (!access_ok(VERIFY_READ, (void __user *) start, len)) + return -ENOMEM; - if (!access_ok(VERIFY_WRITE, vec, len >> PAGE_SHIFT)) - goto out; + /* This also avoids any overflows on PAGE_CACHE_ALIGN */ + pages = len >> PAGE_SHIFT; + pages += (len & ~PAGE_MASK) != 0; - /* - * If the interval [start,end) covers some unmapped address - * ranges, just ignore them, but return -ENOMEM at the end. - */ - error = 0; - - vma = find_vma(current->mm, start); - while (vma) { - /* Here start < vma->vm_end. */ - if (start < vma->vm_start) { - unmapped_error = -ENOMEM; - start = vma->vm_start; - } + if (!access_ok(VERIFY_WRITE, vec, pages)) + return -EFAULT; - /* Here vma->vm_start <= start < vma->vm_end. */ - if (end <= vma->vm_end) { - if (start < end) { - error = mincore_vma(vma, start, end, - &vec[index]); - if (error) - goto out; - } - error = unmapped_error; - goto out; + tmp = (void *) __get_free_page(GFP_USER); + if (!tmp) + return -EAGAIN; + + retval = 0; + while (pages) { + /* + * Do at most PAGE_SIZE entries per iteration, due to + * the temporary buffer size. + */ + down_read(¤t->mm->mmap_sem); + retval = do_mincore(start, tmp, min(pages, PAGE_SIZE)); + up_read(¤t->mm->mmap_sem); + + if (retval <= 0) + break; + if (copy_to_user(vec, tmp, retval)) { + retval = -EFAULT; + break; } - - /* Here vma->vm_start <= start < vma->vm_end < end. */ - error = mincore_vma(vma, start, vma->vm_end, &vec[index]); - if (error) - goto out; - index += (vma->vm_end - start) >> PAGE_CACHE_SHIFT; - start = vma->vm_end; - vma = vma->vm_next; + pages -= retval; + vec += retval; + start += retval << PAGE_SHIFT; + retval = 0; } - - /* we found a hole in the area queried if we arrive here */ - error = -ENOMEM; - -out: - up_read(¤t->mm->mmap_sem); - return error; - -einval: - return -EINVAL; -enomem: - return -ENOMEM; + free_page((unsigned long) tmp); + return retval; } diff --git a/mm/oom_kill.c b/mm/oom_kill.c index 223d9ccb7d64b..64cf3c2146348 100644 --- a/mm/oom_kill.c +++ b/mm/oom_kill.c @@ -177,7 +177,7 @@ static inline int constrained_alloc(struct zonelist *zonelist, gfp_t gfp_mask) nodemask_t nodes = node_online_map; for (z = zonelist->zones; *z; z++) - if (cpuset_zone_allowed(*z, gfp_mask)) + if (cpuset_zone_allowed_softwall(*z, gfp_mask)) node_clear(zone_to_nid(*z), nodes); else return CONSTRAINT_CPUSET; diff --git a/mm/page_alloc.c b/mm/page_alloc.c index e6b17b2989e09..8c1a116875bc7 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -1162,7 +1162,7 @@ zonelist_scan: zone->zone_pgdat != zonelist->zones[0]->zone_pgdat)) break; if ((alloc_flags & ALLOC_CPUSET) && - !cpuset_zone_allowed(zone, gfp_mask)) + !cpuset_zone_allowed_softwall(zone, gfp_mask)) goto try_next_zone; if (!(alloc_flags & ALLOC_NO_WATERMARKS)) { diff --git a/mm/slab.c b/mm/slab.c index 2c655532f5efc..909975f6e0903 100644 --- a/mm/slab.c +++ b/mm/slab.c @@ -109,6 +109,7 @@ #include <linux/mutex.h> #include <linux/fault-inject.h> #include <linux/rtmutex.h> +#include <linux/reciprocal_div.h> #include <asm/cacheflush.h> #include <asm/tlbflush.h> @@ -386,6 +387,7 @@ struct kmem_cache { unsigned int shared; unsigned int buffer_size; + u32 reciprocal_buffer_size; /* 3) touched by every alloc & free from the backend */ struct kmem_list3 *nodelists[MAX_NUMNODES]; @@ -627,10 +629,17 @@ static inline void *index_to_obj(struct kmem_cache *cache, struct slab *slab, return slab->s_mem + cache->buffer_size * idx; } -static inline unsigned int obj_to_index(struct kmem_cache *cache, - struct slab *slab, void *obj) +/* + * We want to avoid an expensive divide : (offset / cache->buffer_size) + * Using the fact that buffer_size is a constant for a particular cache, + * we can replace (offset / cache->buffer_size) by + * reciprocal_divide(offset, cache->reciprocal_buffer_size) + */ +static inline unsigned int obj_to_index(const struct kmem_cache *cache, + const struct slab *slab, void *obj) { - return (unsigned)(obj - slab->s_mem) / cache->buffer_size; + u32 offset = (obj - slab->s_mem); + return reciprocal_divide(offset, cache->reciprocal_buffer_size); } /* @@ -1427,6 +1436,8 @@ void __init kmem_cache_init(void) cache_cache.buffer_size = ALIGN(cache_cache.buffer_size, cache_line_size()); + cache_cache.reciprocal_buffer_size = + reciprocal_value(cache_cache.buffer_size); for (order = 0; order < MAX_ORDER; order++) { cache_estimate(order, cache_cache.buffer_size, @@ -2313,6 +2324,7 @@ kmem_cache_create (const char *name, size_t size, size_t align, if (flags & SLAB_CACHE_DMA) cachep->gfpflags |= GFP_DMA; cachep->buffer_size = size; + cachep->reciprocal_buffer_size = reciprocal_value(size); if (flags & CFLGS_OFF_SLAB) { cachep->slabp_cache = kmem_find_general_cachep(slab_size, 0u); @@ -3252,6 +3264,7 @@ void *fallback_alloc(struct kmem_cache *cache, gfp_t flags) struct zone **z; void *obj = NULL; int nid; + gfp_t local_flags = (flags & GFP_LEVEL_MASK); retry: /* @@ -3261,7 +3274,7 @@ retry: for (z = zonelist->zones; *z && !obj; z++) { nid = zone_to_nid(*z); - if (cpuset_zone_allowed(*z, flags | __GFP_HARDWALL) && + if (cpuset_zone_allowed_hardwall(*z, flags) && cache->nodelists[nid] && cache->nodelists[nid]->free_objects) obj = ____cache_alloc_node(cache, @@ -3275,7 +3288,12 @@ retry: * We may trigger various forms of reclaim on the allowed * set and go into memory reserves if necessary. */ + if (local_flags & __GFP_WAIT) + local_irq_enable(); + kmem_flagcheck(cache, flags); obj = kmem_getpages(cache, flags, -1); + if (local_flags & __GFP_WAIT) + local_irq_disable(); if (obj) { /* * Insert into the appropriate per node queues @@ -3535,7 +3553,7 @@ EXPORT_SYMBOL(kmem_cache_zalloc); * * Currently only used for dentry validation. */ -int fastcall kmem_ptr_validate(struct kmem_cache *cachep, void *ptr) +int fastcall kmem_ptr_validate(struct kmem_cache *cachep, const void *ptr) { unsigned long addr = (unsigned long)ptr; unsigned long min_addr = PAGE_OFFSET; diff --git a/mm/slob.c b/mm/slob.c index 542394184a58e..2e9236e10ed12 100644 --- a/mm/slob.c +++ b/mm/slob.c @@ -157,7 +157,7 @@ static int fastcall find_order(int size) return order; } -void *kmalloc(size_t size, gfp_t gfp) +void *__kmalloc(size_t size, gfp_t gfp) { slob_t *m; bigblock_t *bb; @@ -186,8 +186,7 @@ void *kmalloc(size_t size, gfp_t gfp) slob_free(bb, sizeof(bigblock_t)); return 0; } - -EXPORT_SYMBOL(kmalloc); +EXPORT_SYMBOL(__kmalloc); void kfree(const void *block) { @@ -329,6 +328,17 @@ EXPORT_SYMBOL(kmem_cache_name); static struct timer_list slob_timer = TIMER_INITIALIZER( (void (*)(unsigned long))kmem_cache_init, 0, 0); +int kmem_cache_shrink(struct kmem_cache *d) +{ + return 0; +} +EXPORT_SYMBOL(kmem_cache_shrink); + +int kmem_ptr_validate(struct kmem_cache *a, const void *b) +{ + return 0; +} + void kmem_cache_init(void) { void *p = slob_alloc(PAGE_SIZE, 0, PAGE_SIZE-1); diff --git a/mm/vmscan.c b/mm/vmscan.c index 093f5fe6dd779..e9813b06c7a32 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -984,7 +984,7 @@ static unsigned long shrink_zones(int priority, struct zone **zones, if (!populated_zone(zone)) continue; - if (!cpuset_zone_allowed(zone, __GFP_HARDWALL)) + if (!cpuset_zone_allowed_hardwall(zone, GFP_KERNEL)) continue; note_zone_scanning_priority(zone, priority); @@ -1034,7 +1034,7 @@ unsigned long try_to_free_pages(struct zone **zones, gfp_t gfp_mask) for (i = 0; zones[i] != NULL; i++) { struct zone *zone = zones[i]; - if (!cpuset_zone_allowed(zone, __GFP_HARDWALL)) + if (!cpuset_zone_allowed_hardwall(zone, GFP_KERNEL)) continue; lru_pages += zone->nr_active + zone->nr_inactive; @@ -1089,7 +1089,7 @@ out: for (i = 0; zones[i] != 0; i++) { struct zone *zone = zones[i]; - if (!cpuset_zone_allowed(zone, __GFP_HARDWALL)) + if (!cpuset_zone_allowed_hardwall(zone, GFP_KERNEL)) continue; zone->prev_priority = priority; @@ -1354,7 +1354,7 @@ void wakeup_kswapd(struct zone *zone, int order) return; if (pgdat->kswapd_max_order < order) pgdat->kswapd_max_order = order; - if (!cpuset_zone_allowed(zone, __GFP_HARDWALL)) + if (!cpuset_zone_allowed_hardwall(zone, GFP_KERNEL)) return; if (!waitqueue_active(&pgdat->kswapd_wait)) return; diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c index 711a085eca5b3..dbf98c49dbaaa 100644 --- a/net/bluetooth/hci_sock.c +++ b/net/bluetooth/hci_sock.c @@ -123,10 +123,10 @@ void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb) if (flt->opcode && ((evt == HCI_EV_CMD_COMPLETE && flt->opcode != - get_unaligned((__u16 *)(skb->data + 3))) || + get_unaligned((__le16 *)(skb->data + 3))) || (evt == HCI_EV_CMD_STATUS && flt->opcode != - get_unaligned((__u16 *)(skb->data + 4))))) + get_unaligned((__le16 *)(skb->data + 4))))) continue; } diff --git a/net/bridge/br_netfilter.c b/net/bridge/br_netfilter.c index bd221ad52eaf7..ea3337ad0edcf 100644 --- a/net/bridge/br_netfilter.c +++ b/net/bridge/br_netfilter.c @@ -61,9 +61,6 @@ static int brnf_filter_vlan_tagged __read_mostly = 1; #define brnf_filter_vlan_tagged 1 #endif -int brnf_deferred_hooks; -EXPORT_SYMBOL_GPL(brnf_deferred_hooks); - static __be16 inline vlan_proto(const struct sk_buff *skb) { return vlan_eth_hdr(skb)->h_vlan_encapsulated_proto; @@ -685,110 +682,50 @@ static unsigned int br_nf_forward_arp(unsigned int hook, struct sk_buff **pskb, return NF_STOLEN; } -/* PF_BRIDGE/LOCAL_OUT ***********************************************/ -static int br_nf_local_out_finish(struct sk_buff *skb) -{ - if (skb->protocol == htons(ETH_P_8021Q)) { - skb_push(skb, VLAN_HLEN); - skb->nh.raw -= VLAN_HLEN; - } - - NF_HOOK_THRESH(PF_BRIDGE, NF_BR_LOCAL_OUT, skb, NULL, skb->dev, - br_forward_finish, NF_BR_PRI_FIRST + 1); - - return 0; -} - -/* This function sees both locally originated IP packets and forwarded +/* PF_BRIDGE/LOCAL_OUT *********************************************** + * + * This function sees both locally originated IP packets and forwarded * IP packets (in both cases the destination device is a bridge * device). It also sees bridged-and-DNAT'ed packets. - * To be able to filter on the physical bridge devices (with the physdev - * module), we steal packets destined to a bridge device away from the - * PF_INET/FORWARD and PF_INET/OUTPUT hook functions, and give them back later, - * when we have determined the real output device. This is done in here. * * If (nf_bridge->mask & BRNF_BRIDGED_DNAT) then the packet is bridged * and we fake the PF_BRIDGE/FORWARD hook. The function br_nf_forward() * will then fake the PF_INET/FORWARD hook. br_nf_local_out() has priority * NF_BR_PRI_FIRST, so no relevant PF_BRIDGE/INPUT functions have been nor * will be executed. - * Otherwise, if nf_bridge->physindev is NULL, the bridge-nf code never touched - * this packet before, and so the packet was locally originated. We fake - * the PF_INET/LOCAL_OUT hook. - * Finally, if nf_bridge->physindev isn't NULL, then the packet was IP routed, - * so we fake the PF_INET/FORWARD hook. ip_sabotage_out() makes sure - * even routed packets that didn't arrive on a bridge interface have their - * nf_bridge->physindev set. */ + */ static unsigned int br_nf_local_out(unsigned int hook, struct sk_buff **pskb, const struct net_device *in, const struct net_device *out, int (*okfn)(struct sk_buff *)) { - struct net_device *realindev, *realoutdev; + struct net_device *realindev; struct sk_buff *skb = *pskb; struct nf_bridge_info *nf_bridge; - int pf; if (!skb->nf_bridge) return NF_ACCEPT; - if (skb->protocol == htons(ETH_P_IP) || IS_VLAN_IP(skb)) - pf = PF_INET; - else - pf = PF_INET6; - nf_bridge = skb->nf_bridge; - nf_bridge->physoutdev = skb->dev; - realindev = nf_bridge->physindev; + if (!(nf_bridge->mask & BRNF_BRIDGED_DNAT)) + return NF_ACCEPT; /* Bridged, take PF_BRIDGE/FORWARD. * (see big note in front of br_nf_pre_routing_finish) */ - if (nf_bridge->mask & BRNF_BRIDGED_DNAT) { - if (nf_bridge->mask & BRNF_PKT_TYPE) { - skb->pkt_type = PACKET_OTHERHOST; - nf_bridge->mask ^= BRNF_PKT_TYPE; - } - if (skb->protocol == htons(ETH_P_8021Q)) { - skb_push(skb, VLAN_HLEN); - skb->nh.raw -= VLAN_HLEN; - } + nf_bridge->physoutdev = skb->dev; + realindev = nf_bridge->physindev; - NF_HOOK(PF_BRIDGE, NF_BR_FORWARD, skb, realindev, - skb->dev, br_forward_finish); - goto out; + if (nf_bridge->mask & BRNF_PKT_TYPE) { + skb->pkt_type = PACKET_OTHERHOST; + nf_bridge->mask ^= BRNF_PKT_TYPE; } - realoutdev = bridge_parent(skb->dev); - if (!realoutdev) - return NF_DROP; - -#if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE) - /* iptables should match -o br0.x */ - if (nf_bridge->netoutdev) - realoutdev = nf_bridge->netoutdev; -#endif if (skb->protocol == htons(ETH_P_8021Q)) { - skb_pull(skb, VLAN_HLEN); - (*pskb)->nh.raw += VLAN_HLEN; - } - /* IP forwarded traffic has a physindev, locally - * generated traffic hasn't. */ - if (realindev != NULL) { - if (!(nf_bridge->mask & BRNF_DONT_TAKE_PARENT)) { - struct net_device *parent = bridge_parent(realindev); - if (parent) - realindev = parent; - } - - NF_HOOK_THRESH(pf, NF_IP_FORWARD, skb, realindev, - realoutdev, br_nf_local_out_finish, - NF_IP_PRI_BRIDGE_SABOTAGE_FORWARD + 1); - } else { - NF_HOOK_THRESH(pf, NF_IP_LOCAL_OUT, skb, realindev, - realoutdev, br_nf_local_out_finish, - NF_IP_PRI_BRIDGE_SABOTAGE_LOCAL_OUT + 1); + skb_push(skb, VLAN_HLEN); + skb->nh.raw -= VLAN_HLEN; } -out: + NF_HOOK(PF_BRIDGE, NF_BR_FORWARD, skb, realindev, skb->dev, + br_forward_finish); return NF_STOLEN; } @@ -894,69 +831,6 @@ static unsigned int ip_sabotage_in(unsigned int hook, struct sk_buff **pskb, return NF_ACCEPT; } -/* Postpone execution of PF_INET(6)/FORWARD, PF_INET(6)/LOCAL_OUT - * and PF_INET(6)/POST_ROUTING until we have done the forwarding - * decision in the bridge code and have determined nf_bridge->physoutdev. */ -static unsigned int ip_sabotage_out(unsigned int hook, struct sk_buff **pskb, - const struct net_device *in, - const struct net_device *out, - int (*okfn)(struct sk_buff *)) -{ - struct sk_buff *skb = *pskb; - - if ((out->hard_start_xmit == br_dev_xmit && - okfn != br_nf_forward_finish && - okfn != br_nf_local_out_finish && okfn != br_nf_dev_queue_xmit) -#if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE) - || ((out->priv_flags & IFF_802_1Q_VLAN) && - VLAN_DEV_INFO(out)->real_dev->hard_start_xmit == br_dev_xmit) -#endif - ) { - struct nf_bridge_info *nf_bridge; - - if (!skb->nf_bridge) { -#ifdef CONFIG_SYSCTL - /* This code is executed while in the IP(v6) stack, - the version should be 4 or 6. We can't use - skb->protocol because that isn't set on - PF_INET(6)/LOCAL_OUT. */ - struct iphdr *ip = skb->nh.iph; - - if (ip->version == 4 && !brnf_call_iptables) - return NF_ACCEPT; - else if (ip->version == 6 && !brnf_call_ip6tables) - return NF_ACCEPT; - else if (!brnf_deferred_hooks) - return NF_ACCEPT; -#endif - if (hook == NF_IP_POST_ROUTING) - return NF_ACCEPT; - if (!nf_bridge_alloc(skb)) - return NF_DROP; - } - - nf_bridge = skb->nf_bridge; - - /* This frame will arrive on PF_BRIDGE/LOCAL_OUT and we - * will need the indev then. For a brouter, the real indev - * can be a bridge port, so we make sure br_nf_local_out() - * doesn't use the bridge parent of the indev by using - * the BRNF_DONT_TAKE_PARENT mask. */ - if (hook == NF_IP_FORWARD && nf_bridge->physindev == NULL) { - nf_bridge->mask |= BRNF_DONT_TAKE_PARENT; - nf_bridge->physindev = (struct net_device *)in; - } -#if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE) - /* the iptables outdev is br0.x, not br0 */ - if (out->priv_flags & IFF_802_1Q_VLAN) - nf_bridge->netoutdev = (struct net_device *)out; -#endif - return NF_STOP; - } - - return NF_ACCEPT; -} - /* For br_nf_local_out we need (prio = NF_BR_PRI_FIRST), to insure that innocent * PF_BRIDGE/NF_BR_LOCAL_OUT functions don't get bridged traffic as input. * For br_nf_post_routing, we need (prio = NF_BR_PRI_LAST), because @@ -1002,36 +876,6 @@ static struct nf_hook_ops br_nf_ops[] = { .pf = PF_INET6, .hooknum = NF_IP6_PRE_ROUTING, .priority = NF_IP6_PRI_FIRST, }, - { .hook = ip_sabotage_out, - .owner = THIS_MODULE, - .pf = PF_INET, - .hooknum = NF_IP_FORWARD, - .priority = NF_IP_PRI_BRIDGE_SABOTAGE_FORWARD, }, - { .hook = ip_sabotage_out, - .owner = THIS_MODULE, - .pf = PF_INET6, - .hooknum = NF_IP6_FORWARD, - .priority = NF_IP6_PRI_BRIDGE_SABOTAGE_FORWARD, }, - { .hook = ip_sabotage_out, - .owner = THIS_MODULE, - .pf = PF_INET, - .hooknum = NF_IP_LOCAL_OUT, - .priority = NF_IP_PRI_BRIDGE_SABOTAGE_LOCAL_OUT, }, - { .hook = ip_sabotage_out, - .owner = THIS_MODULE, - .pf = PF_INET6, - .hooknum = NF_IP6_LOCAL_OUT, - .priority = NF_IP6_PRI_BRIDGE_SABOTAGE_LOCAL_OUT, }, - { .hook = ip_sabotage_out, - .owner = THIS_MODULE, - .pf = PF_INET, - .hooknum = NF_IP_POST_ROUTING, - .priority = NF_IP_PRI_FIRST, }, - { .hook = ip_sabotage_out, - .owner = THIS_MODULE, - .pf = PF_INET6, - .hooknum = NF_IP6_POST_ROUTING, - .priority = NF_IP6_PRI_FIRST, }, }; #ifdef CONFIG_SYSCTL diff --git a/net/dccp/ccids/ccid3.c b/net/dccp/ccids/ccid3.c index fa6b75372ed70..40402c59506a3 100644 --- a/net/dccp/ccids/ccid3.c +++ b/net/dccp/ccids/ccid3.c @@ -845,8 +845,8 @@ found: * Find some p such that f(p) = fval; return 1/p [RFC 3448, 6.3.1]. */ if (rtt == 0) { /* would result in divide-by-zero */ - DCCP_WARN("RTT==0, returning 1/p = 1\n"); - return 1000000; + DCCP_WARN("RTT==0\n"); + return ~0; } dccp_timestamp(sk, &tstamp); @@ -858,7 +858,7 @@ found: DCCP_WARN("X_recv==0\n"); if ((x_recv = hcrx->ccid3hcrx_x_recv) == 0) { DCCP_BUG("stored value of X_recv is zero"); - return 1000000; + return ~0; } } diff --git a/net/ipv4/netfilter/Kconfig b/net/ipv4/netfilter/Kconfig index 363df9976c9d4..f6026d4ac428d 100644 --- a/net/ipv4/netfilter/Kconfig +++ b/net/ipv4/netfilter/Kconfig @@ -401,7 +401,7 @@ config IP_NF_NAT # NAT + specific targets: nf_conntrack config NF_NAT tristate "Full NAT" - depends on IP_NF_IPTABLES && NF_CONNTRACK + depends on IP_NF_IPTABLES && NF_CONNTRACK_IPV4 help The Full NAT option allows masquerading, port forwarding and other forms of full Network Address Port Translation. It is controlled by diff --git a/net/ipv4/netfilter/arp_tables.c b/net/ipv4/netfilter/arp_tables.c index 71b76ade00e13..9aa22398b3dc9 100644 --- a/net/ipv4/netfilter/arp_tables.c +++ b/net/ipv4/netfilter/arp_tables.c @@ -358,6 +358,7 @@ static int mark_source_chains(struct xt_table_info *newinfo, for (;;) { struct arpt_standard_target *t = (void *)arpt_get_target(e); + int visited = e->comefrom & (1 << hook); if (e->comefrom & (1 << NF_ARP_NUMHOOKS)) { printk("arptables: loop hook %u pos %u %08X.\n", @@ -368,11 +369,11 @@ static int mark_source_chains(struct xt_table_info *newinfo, |= ((1 << hook) | (1 << NF_ARP_NUMHOOKS)); /* Unconditional return/END. */ - if (e->target_offset == sizeof(struct arpt_entry) + if ((e->target_offset == sizeof(struct arpt_entry) && (strcmp(t->target.u.user.name, ARPT_STANDARD_TARGET) == 0) && t->verdict < 0 - && unconditional(&e->arp)) { + && unconditional(&e->arp)) || visited) { unsigned int oldpos, size; if (t->verdict < -NF_MAX_VERDICT - 1) { diff --git a/net/ipv4/netfilter/ip_tables.c b/net/ipv4/netfilter/ip_tables.c index 0ff2956d35e5a..09696f16aa952 100644 --- a/net/ipv4/netfilter/ip_tables.c +++ b/net/ipv4/netfilter/ip_tables.c @@ -384,6 +384,7 @@ mark_source_chains(struct xt_table_info *newinfo, for (;;) { struct ipt_standard_target *t = (void *)ipt_get_target(e); + int visited = e->comefrom & (1 << hook); if (e->comefrom & (1 << NF_IP_NUMHOOKS)) { printk("iptables: loop hook %u pos %u %08X.\n", @@ -394,11 +395,11 @@ mark_source_chains(struct xt_table_info *newinfo, |= ((1 << hook) | (1 << NF_IP_NUMHOOKS)); /* Unconditional return/END. */ - if (e->target_offset == sizeof(struct ipt_entry) + if ((e->target_offset == sizeof(struct ipt_entry) && (strcmp(t->target.u.user.name, IPT_STANDARD_TARGET) == 0) && t->verdict < 0 - && unconditional(&e->ip)) { + && unconditional(&e->ip)) || visited) { unsigned int oldpos, size; if (t->verdict < -NF_MAX_VERDICT - 1) { @@ -484,7 +485,47 @@ cleanup_match(struct ipt_entry_match *m, unsigned int *i) } static inline int -check_match(struct ipt_entry_match *m, +check_entry(struct ipt_entry *e, const char *name) +{ + struct ipt_entry_target *t; + + if (!ip_checkentry(&e->ip)) { + duprintf("ip_tables: ip check failed %p %s.\n", e, name); + return -EINVAL; + } + + if (e->target_offset + sizeof(struct ipt_entry_target) > e->next_offset) + return -EINVAL; + + t = ipt_get_target(e); + if (e->target_offset + t->u.target_size > e->next_offset) + return -EINVAL; + + return 0; +} + +static inline int check_match(struct ipt_entry_match *m, const char *name, + const struct ipt_ip *ip, unsigned int hookmask) +{ + struct ipt_match *match; + int ret; + + match = m->u.kernel.match; + ret = xt_check_match(match, AF_INET, m->u.match_size - sizeof(*m), + name, hookmask, ip->proto, + ip->invflags & IPT_INV_PROTO); + if (!ret && m->u.kernel.match->checkentry + && !m->u.kernel.match->checkentry(name, ip, match, m->data, + hookmask)) { + duprintf("ip_tables: check failed for `%s'.\n", + m->u.kernel.match->name); + ret = -EINVAL; + } + return ret; +} + +static inline int +find_check_match(struct ipt_entry_match *m, const char *name, const struct ipt_ip *ip, unsigned int hookmask, @@ -497,26 +538,15 @@ check_match(struct ipt_entry_match *m, m->u.user.revision), "ipt_%s", m->u.user.name); if (IS_ERR(match) || !match) { - duprintf("check_match: `%s' not found\n", m->u.user.name); + duprintf("find_check_match: `%s' not found\n", m->u.user.name); return match ? PTR_ERR(match) : -ENOENT; } m->u.kernel.match = match; - ret = xt_check_match(match, AF_INET, m->u.match_size - sizeof(*m), - name, hookmask, ip->proto, - ip->invflags & IPT_INV_PROTO); + ret = check_match(m, name, ip, hookmask); if (ret) goto err; - if (m->u.kernel.match->checkentry - && !m->u.kernel.match->checkentry(name, ip, match, m->data, - hookmask)) { - duprintf("ip_tables: check failed for `%s'.\n", - m->u.kernel.match->name); - ret = -EINVAL; - goto err; - } - (*i)++; return 0; err: @@ -524,10 +554,29 @@ err: return ret; } -static struct ipt_target ipt_standard_target; +static inline int check_target(struct ipt_entry *e, const char *name) +{ + struct ipt_entry_target *t; + struct ipt_target *target; + int ret; + + t = ipt_get_target(e); + target = t->u.kernel.target; + ret = xt_check_target(target, AF_INET, t->u.target_size - sizeof(*t), + name, e->comefrom, e->ip.proto, + e->ip.invflags & IPT_INV_PROTO); + if (!ret && t->u.kernel.target->checkentry + && !t->u.kernel.target->checkentry(name, e, target, + t->data, e->comefrom)) { + duprintf("ip_tables: check failed for `%s'.\n", + t->u.kernel.target->name); + ret = -EINVAL; + } + return ret; +} static inline int -check_entry(struct ipt_entry *e, const char *name, unsigned int size, +find_check_entry(struct ipt_entry *e, const char *name, unsigned int size, unsigned int *i) { struct ipt_entry_target *t; @@ -535,49 +584,32 @@ check_entry(struct ipt_entry *e, const char *name, unsigned int size, int ret; unsigned int j; - if (!ip_checkentry(&e->ip)) { - duprintf("ip_tables: ip check failed %p %s.\n", e, name); - return -EINVAL; - } - - if (e->target_offset + sizeof(struct ipt_entry_target) > e->next_offset) - return -EINVAL; + ret = check_entry(e, name); + if (ret) + return ret; j = 0; - ret = IPT_MATCH_ITERATE(e, check_match, name, &e->ip, e->comefrom, &j); + ret = IPT_MATCH_ITERATE(e, find_check_match, name, &e->ip, + e->comefrom, &j); if (ret != 0) goto cleanup_matches; t = ipt_get_target(e); - ret = -EINVAL; - if (e->target_offset + t->u.target_size > e->next_offset) - goto cleanup_matches; target = try_then_request_module(xt_find_target(AF_INET, t->u.user.name, t->u.user.revision), "ipt_%s", t->u.user.name); if (IS_ERR(target) || !target) { - duprintf("check_entry: `%s' not found\n", t->u.user.name); + duprintf("find_check_entry: `%s' not found\n", t->u.user.name); ret = target ? PTR_ERR(target) : -ENOENT; goto cleanup_matches; } t->u.kernel.target = target; - ret = xt_check_target(target, AF_INET, t->u.target_size - sizeof(*t), - name, e->comefrom, e->ip.proto, - e->ip.invflags & IPT_INV_PROTO); + ret = check_target(e, name); if (ret) goto err; - if (t->u.kernel.target->checkentry - && !t->u.kernel.target->checkentry(name, e, target, t->data, - e->comefrom)) { - duprintf("ip_tables: check failed for `%s'.\n", - t->u.kernel.target->name); - ret = -EINVAL; - goto err; - } - (*i)++; return 0; err: @@ -712,7 +744,7 @@ translate_table(const char *name, /* Finally, each sanity check must pass */ i = 0; ret = IPT_ENTRY_ITERATE(entry0, newinfo->size, - check_entry, name, size, &i); + find_check_entry, name, size, &i); if (ret != 0) { IPT_ENTRY_ITERATE(entry0, newinfo->size, @@ -1452,14 +1484,9 @@ check_compat_entry_size_and_hooks(struct ipt_entry *e, return -EINVAL; } - if (!ip_checkentry(&e->ip)) { - duprintf("ip_tables: ip check failed %p %s.\n", e, name); - return -EINVAL; - } - - if (e->target_offset + sizeof(struct compat_xt_entry_target) > - e->next_offset) - return -EINVAL; + ret = check_entry(e, name); + if (ret) + return ret; off = 0; entry_offset = (void *)e - (void *)base; @@ -1470,15 +1497,13 @@ check_compat_entry_size_and_hooks(struct ipt_entry *e, goto cleanup_matches; t = ipt_get_target(e); - ret = -EINVAL; - if (e->target_offset + t->u.target_size > e->next_offset) - goto cleanup_matches; target = try_then_request_module(xt_find_target(AF_INET, t->u.user.name, t->u.user.revision), "ipt_%s", t->u.user.name); if (IS_ERR(target) || !target) { - duprintf("check_entry: `%s' not found\n", t->u.user.name); + duprintf("check_compat_entry_size_and_hooks: `%s' not found\n", + t->u.user.name); ret = target ? PTR_ERR(target) : -ENOENT; goto cleanup_matches; } @@ -1555,57 +1580,15 @@ static int compat_copy_entry_from_user(struct ipt_entry *e, void **dstptr, return ret; } -static inline int compat_check_match(struct ipt_entry_match *m, const char *name, - const struct ipt_ip *ip, unsigned int hookmask) -{ - struct ipt_match *match; - int ret; - - match = m->u.kernel.match; - ret = xt_check_match(match, AF_INET, m->u.match_size - sizeof(*m), - name, hookmask, ip->proto, - ip->invflags & IPT_INV_PROTO); - if (!ret && m->u.kernel.match->checkentry - && !m->u.kernel.match->checkentry(name, ip, match, m->data, - hookmask)) { - duprintf("ip_tables: compat: check failed for `%s'.\n", - m->u.kernel.match->name); - ret = -EINVAL; - } - return ret; -} - -static inline int compat_check_target(struct ipt_entry *e, const char *name) -{ - struct ipt_entry_target *t; - struct ipt_target *target; - int ret; - - t = ipt_get_target(e); - target = t->u.kernel.target; - ret = xt_check_target(target, AF_INET, t->u.target_size - sizeof(*t), - name, e->comefrom, e->ip.proto, - e->ip.invflags & IPT_INV_PROTO); - if (!ret && t->u.kernel.target->checkentry - && !t->u.kernel.target->checkentry(name, e, target, - t->data, e->comefrom)) { - duprintf("ip_tables: compat: check failed for `%s'.\n", - t->u.kernel.target->name); - ret = -EINVAL; - } - return ret; -} - static inline int compat_check_entry(struct ipt_entry *e, const char *name) { int ret; - ret = IPT_MATCH_ITERATE(e, compat_check_match, name, &e->ip, - e->comefrom); + ret = IPT_MATCH_ITERATE(e, check_match, name, &e->ip, e->comefrom); if (ret) return ret; - return compat_check_target(e, name); + return check_target(e, name); } static int diff --git a/net/ipv4/netfilter/ipt_CLUSTERIP.c b/net/ipv4/netfilter/ipt_CLUSTERIP.c index fef56ae61abe5..b1c11160b9de2 100644 --- a/net/ipv4/netfilter/ipt_CLUSTERIP.c +++ b/net/ipv4/netfilter/ipt_CLUSTERIP.c @@ -447,6 +447,12 @@ checkentry(const char *tablename, cipinfo->config = config; } + if (nf_ct_l3proto_try_module_get(target->family) < 0) { + printk(KERN_WARNING "can't load conntrack support for " + "proto=%d\n", target->family); + return 0; + } + return 1; } @@ -460,6 +466,8 @@ static void destroy(const struct xt_target *target, void *targinfo) clusterip_config_entry_put(cipinfo->config); clusterip_config_put(cipinfo->config); + + nf_ct_l3proto_module_put(target->family); } static struct ipt_target clusterip_tgt = { diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index 090c690627e5d..b67e0dd743be9 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -2364,8 +2364,9 @@ struct tcp_md5sig_pool *__tcp_get_md5sig_pool(int cpu) EXPORT_SYMBOL(__tcp_get_md5sig_pool); -void __tcp_put_md5sig_pool(void) { - __tcp_free_md5sig_pool(tcp_md5sig_pool); +void __tcp_put_md5sig_pool(void) +{ + tcp_free_md5sig_pool(); } EXPORT_SYMBOL(__tcp_put_md5sig_pool); diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c index 1eafcfc95e81d..352690e2ab828 100644 --- a/net/ipv6/ipv6_sockglue.c +++ b/net/ipv6/ipv6_sockglue.c @@ -978,12 +978,27 @@ static int do_ipv6_getsockopt(struct sock *sk, int level, int optname, break; case IPV6_UNICAST_HOPS: - val = np->hop_limit; - break; - case IPV6_MULTICAST_HOPS: - val = np->mcast_hops; + { + struct dst_entry *dst; + + if (optname == IPV6_UNICAST_HOPS) + val = np->hop_limit; + else + val = np->mcast_hops; + + dst = sk_dst_get(sk); + if (dst) { + if (val < 0) + val = dst_metric(dst, RTAX_HOPLIMIT); + if (val < 0) + val = ipv6_get_hoplimit(dst->dev); + dst_release(dst); + } + if (val < 0) + val = ipv6_devconf.hop_limit; break; + } case IPV6_MULTICAST_LOOP: val = np->mc_loop; diff --git a/net/ipv6/netfilter/ip6_tables.c b/net/ipv6/netfilter/ip6_tables.c index 4eec4b3988b82..99502c5da4c45 100644 --- a/net/ipv6/netfilter/ip6_tables.c +++ b/net/ipv6/netfilter/ip6_tables.c @@ -413,6 +413,7 @@ mark_source_chains(struct xt_table_info *newinfo, unsigned int pos = newinfo->hook_entry[hook]; struct ip6t_entry *e = (struct ip6t_entry *)(entry0 + pos); + int visited = e->comefrom & (1 << hook); if (!(valid_hooks & (1 << hook))) continue; @@ -433,11 +434,11 @@ mark_source_chains(struct xt_table_info *newinfo, |= ((1 << hook) | (1 << NF_IP6_NUMHOOKS)); /* Unconditional return/END. */ - if (e->target_offset == sizeof(struct ip6t_entry) + if ((e->target_offset == sizeof(struct ip6t_entry) && (strcmp(t->target.u.user.name, IP6T_STANDARD_TARGET) == 0) && t->verdict < 0 - && unconditional(&e->ipv6)) { + && unconditional(&e->ipv6)) || visited) { unsigned int oldpos, size; if (t->verdict < -NF_MAX_VERDICT - 1) { diff --git a/net/ipv6/route.c b/net/ipv6/route.c index 9f80518aacbdf..8c3d56871b50a 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -494,7 +494,7 @@ do { \ goto out; \ pn = fn->parent; \ if (FIB6_SUBTREE(pn) && FIB6_SUBTREE(pn) != fn) \ - fn = fib6_lookup(pn->subtree, NULL, saddr); \ + fn = fib6_lookup(FIB6_SUBTREE(pn), NULL, saddr); \ else \ fn = pn; \ if (fn->fn_flags & RTN_RTINFO) \ diff --git a/net/netfilter/Kconfig b/net/netfilter/Kconfig index 3a66878a18291..1b853c34d301b 100644 --- a/net/netfilter/Kconfig +++ b/net/netfilter/Kconfig @@ -1,5 +1,5 @@ menu "Core Netfilter Configuration" - depends on NET && NETFILTER + depends on NET && INET && NETFILTER config NETFILTER_NETLINK tristate "Netfilter netlink interface" diff --git a/net/netfilter/xt_CONNMARK.c b/net/netfilter/xt_CONNMARK.c index b5548239d4127..0534bfa65cce2 100644 --- a/net/netfilter/xt_CONNMARK.c +++ b/net/netfilter/xt_CONNMARK.c @@ -96,6 +96,11 @@ checkentry(const char *tablename, { struct xt_connmark_target_info *matchinfo = targinfo; + if (nf_ct_l3proto_try_module_get(target->family) < 0) { + printk(KERN_WARNING "can't load conntrack support for " + "proto=%d\n", target->family); + return 0; + } if (matchinfo->mode == XT_CONNMARK_RESTORE) { if (strcmp(tablename, "mangle") != 0) { printk(KERN_WARNING "CONNMARK: restore can only be " @@ -111,6 +116,12 @@ checkentry(const char *tablename, return 1; } +static void +destroy(const struct xt_target *target, void *targinfo) +{ + nf_ct_l3proto_module_put(target->family); +} + #ifdef CONFIG_COMPAT struct compat_xt_connmark_target_info { compat_ulong_t mark, mask; @@ -147,6 +158,7 @@ static struct xt_target xt_connmark_target[] = { .name = "CONNMARK", .family = AF_INET, .checkentry = checkentry, + .destroy = destroy, .target = target, .targetsize = sizeof(struct xt_connmark_target_info), #ifdef CONFIG_COMPAT @@ -160,6 +172,7 @@ static struct xt_target xt_connmark_target[] = { .name = "CONNMARK", .family = AF_INET6, .checkentry = checkentry, + .destroy = destroy, .target = target, .targetsize = sizeof(struct xt_connmark_target_info), .me = THIS_MODULE @@ -168,7 +181,6 @@ static struct xt_target xt_connmark_target[] = { static int __init xt_connmark_init(void) { - need_conntrack(); return xt_register_targets(xt_connmark_target, ARRAY_SIZE(xt_connmark_target)); } diff --git a/net/netfilter/xt_CONNSECMARK.c b/net/netfilter/xt_CONNSECMARK.c index 467386266674f..a3fe3c334b09e 100644 --- a/net/netfilter/xt_CONNSECMARK.c +++ b/net/netfilter/xt_CONNSECMARK.c @@ -93,6 +93,11 @@ static int checkentry(const char *tablename, const void *entry, { struct xt_connsecmark_target_info *info = targinfo; + if (nf_ct_l3proto_try_module_get(target->family) < 0) { + printk(KERN_WARNING "can't load conntrack support for " + "proto=%d\n", target->family); + return 0; + } switch (info->mode) { case CONNSECMARK_SAVE: case CONNSECMARK_RESTORE: @@ -106,11 +111,18 @@ static int checkentry(const char *tablename, const void *entry, return 1; } +static void +destroy(const struct xt_target *target, void *targinfo) +{ + nf_ct_l3proto_module_put(target->family); +} + static struct xt_target xt_connsecmark_target[] = { { .name = "CONNSECMARK", .family = AF_INET, .checkentry = checkentry, + .destroy = destroy, .target = target, .targetsize = sizeof(struct xt_connsecmark_target_info), .table = "mangle", @@ -120,6 +132,7 @@ static struct xt_target xt_connsecmark_target[] = { .name = "CONNSECMARK", .family = AF_INET6, .checkentry = checkentry, + .destroy = destroy, .target = target, .targetsize = sizeof(struct xt_connsecmark_target_info), .table = "mangle", @@ -129,7 +142,6 @@ static struct xt_target xt_connsecmark_target[] = { static int __init xt_connsecmark_init(void) { - need_conntrack(); return xt_register_targets(xt_connsecmark_target, ARRAY_SIZE(xt_connsecmark_target)); } diff --git a/net/netfilter/xt_connbytes.c b/net/netfilter/xt_connbytes.c index dcc497ea8183c..d93cb096a675c 100644 --- a/net/netfilter/xt_connbytes.c +++ b/net/netfilter/xt_connbytes.c @@ -139,15 +139,28 @@ static int check(const char *tablename, sinfo->direction != XT_CONNBYTES_DIR_BOTH) return 0; + if (nf_ct_l3proto_try_module_get(match->family) < 0) { + printk(KERN_WARNING "can't load conntrack support for " + "proto=%d\n", match->family); + return 0; + } + return 1; } +static void +destroy(const struct xt_match *match, void *matchinfo) +{ + nf_ct_l3proto_module_put(match->family); +} + static struct xt_match xt_connbytes_match[] = { { .name = "connbytes", .family = AF_INET, .checkentry = check, .match = match, + .destroy = destroy, .matchsize = sizeof(struct xt_connbytes_info), .me = THIS_MODULE }, @@ -156,6 +169,7 @@ static struct xt_match xt_connbytes_match[] = { .family = AF_INET6, .checkentry = check, .match = match, + .destroy = destroy, .matchsize = sizeof(struct xt_connbytes_info), .me = THIS_MODULE }, diff --git a/net/netfilter/xt_connmark.c b/net/netfilter/xt_connmark.c index a8f03057dbded..36c2defff238b 100644 --- a/net/netfilter/xt_connmark.c +++ b/net/netfilter/xt_connmark.c @@ -63,22 +63,18 @@ checkentry(const char *tablename, printk(KERN_WARNING "connmark: only support 32bit mark\n"); return 0; } -#if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE) if (nf_ct_l3proto_try_module_get(match->family) < 0) { - printk(KERN_WARNING "can't load nf_conntrack support for " + printk(KERN_WARNING "can't load conntrack support for " "proto=%d\n", match->family); return 0; } -#endif return 1; } static void destroy(const struct xt_match *match, void *matchinfo) { -#if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE) nf_ct_l3proto_module_put(match->family); -#endif } #ifdef CONFIG_COMPAT @@ -140,7 +136,6 @@ static struct xt_match xt_connmark_match[] = { static int __init xt_connmark_init(void) { - need_conntrack(); return xt_register_matches(xt_connmark_match, ARRAY_SIZE(xt_connmark_match)); } diff --git a/net/netfilter/xt_conntrack.c b/net/netfilter/xt_conntrack.c index 0ea501a2fda5b..3dc2357b8de88 100644 --- a/net/netfilter/xt_conntrack.c +++ b/net/netfilter/xt_conntrack.c @@ -20,6 +20,7 @@ #include <linux/netfilter/x_tables.h> #include <linux/netfilter/xt_conntrack.h> +#include <net/netfilter/nf_conntrack_compat.h> MODULE_LICENSE("GPL"); MODULE_AUTHOR("Marc Boucher <marc@mbsi.ca>"); @@ -228,21 +229,17 @@ checkentry(const char *tablename, void *matchinfo, unsigned int hook_mask) { -#if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE) if (nf_ct_l3proto_try_module_get(match->family) < 0) { - printk(KERN_WARNING "can't load nf_conntrack support for " + printk(KERN_WARNING "can't load conntrack support for " "proto=%d\n", match->family); return 0; } -#endif return 1; } static void destroy(const struct xt_match *match, void *matchinfo) { -#if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE) nf_ct_l3proto_module_put(match->family); -#endif } static struct xt_match conntrack_match = { @@ -257,7 +254,6 @@ static struct xt_match conntrack_match = { static int __init xt_conntrack_init(void) { - need_conntrack(); return xt_register_match(&conntrack_match); } diff --git a/net/netfilter/xt_helper.c b/net/netfilter/xt_helper.c index 5d7818b73e3ac..04bc32ba71956 100644 --- a/net/netfilter/xt_helper.c +++ b/net/netfilter/xt_helper.c @@ -24,6 +24,7 @@ #endif #include <linux/netfilter/x_tables.h> #include <linux/netfilter/xt_helper.h> +#include <net/netfilter/nf_conntrack_compat.h> MODULE_LICENSE("GPL"); MODULE_AUTHOR("Martin Josefsson <gandalf@netfilter.org>"); @@ -143,13 +144,11 @@ static int check(const char *tablename, { struct xt_helper_info *info = matchinfo; -#if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE) if (nf_ct_l3proto_try_module_get(match->family) < 0) { - printk(KERN_WARNING "can't load nf_conntrack support for " + printk(KERN_WARNING "can't load conntrack support for " "proto=%d\n", match->family); return 0; } -#endif info->name[29] = '\0'; return 1; } @@ -157,9 +156,7 @@ static int check(const char *tablename, static void destroy(const struct xt_match *match, void *matchinfo) { -#if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE) nf_ct_l3proto_module_put(match->family); -#endif } static struct xt_match xt_helper_match[] = { @@ -185,7 +182,6 @@ static struct xt_match xt_helper_match[] = { static int __init xt_helper_init(void) { - need_conntrack(); return xt_register_matches(xt_helper_match, ARRAY_SIZE(xt_helper_match)); } diff --git a/net/netfilter/xt_physdev.c b/net/netfilter/xt_physdev.c index fd8f954cded5b..b9b3ffc5451dc 100644 --- a/net/netfilter/xt_physdev.c +++ b/net/netfilter/xt_physdev.c @@ -113,20 +113,16 @@ checkentry(const char *tablename, if (!(info->bitmask & XT_PHYSDEV_OP_MASK) || info->bitmask & ~XT_PHYSDEV_OP_MASK) return 0; - if (brnf_deferred_hooks == 0 && - info->bitmask & XT_PHYSDEV_OP_OUT && + if (info->bitmask & XT_PHYSDEV_OP_OUT && (!(info->bitmask & XT_PHYSDEV_OP_BRIDGED) || info->invert & XT_PHYSDEV_OP_BRIDGED) && hook_mask & ((1 << NF_IP_LOCAL_OUT) | (1 << NF_IP_FORWARD) | (1 << NF_IP_POST_ROUTING))) { printk(KERN_WARNING "physdev match: using --physdev-out in the " "OUTPUT, FORWARD and POSTROUTING chains for non-bridged " - "traffic is deprecated and breaks other things, it will " - "be removed in January 2007. See Documentation/" - "feature-removal-schedule.txt for details. This doesn't " - "affect you in case you're using it for purely bridged " - "traffic.\n"); - brnf_deferred_hooks = 1; + "traffic is not supported anymore.\n"); + if (hook_mask & (1 << NF_IP_LOCAL_OUT)) + return 0; } return 1; } diff --git a/net/netfilter/xt_state.c b/net/netfilter/xt_state.c index d9010b16a1f97..df37b912163a6 100644 --- a/net/netfilter/xt_state.c +++ b/net/netfilter/xt_state.c @@ -50,22 +50,18 @@ static int check(const char *tablename, void *matchinfo, unsigned int hook_mask) { -#if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE) if (nf_ct_l3proto_try_module_get(match->family) < 0) { - printk(KERN_WARNING "can't load nf_conntrack support for " + printk(KERN_WARNING "can't load conntrack support for " "proto=%d\n", match->family); return 0; } -#endif return 1; } static void destroy(const struct xt_match *match, void *matchinfo) { -#if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE) nf_ct_l3proto_module_put(match->family); -#endif } static struct xt_match xt_state_match[] = { @@ -91,7 +87,6 @@ static struct xt_match xt_state_match[] = { static int __init xt_state_init(void) { - need_conntrack(); return xt_register_matches(xt_state_match, ARRAY_SIZE(xt_state_match)); } diff --git a/net/sctp/associola.c b/net/sctp/associola.c index ad0057db0f918..5db95caed0a32 100644 --- a/net/sctp/associola.c +++ b/net/sctp/associola.c @@ -298,6 +298,7 @@ static struct sctp_association *sctp_association_init(struct sctp_association *a asoc->default_flags = sp->default_flags; asoc->default_context = sp->default_context; asoc->default_timetolive = sp->default_timetolive; + asoc->default_rcv_context = sp->default_rcv_context; return asoc; diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c index 3c3e560087ca3..d8d36dee5ab6b 100644 --- a/net/sctp/ipv6.c +++ b/net/sctp/ipv6.c @@ -78,8 +78,44 @@ #include <asm/uaccess.h> +/* Event handler for inet6 address addition/deletion events. */ +int sctp_inet6addr_event(struct notifier_block *this, unsigned long ev, + void *ptr) +{ + struct inet6_ifaddr *ifa = (struct inet6_ifaddr *)ptr; + struct sctp_sockaddr_entry *addr; + struct list_head *pos, *temp; + + switch (ev) { + case NETDEV_UP: + addr = kmalloc(sizeof(struct sctp_sockaddr_entry), GFP_ATOMIC); + if (addr) { + addr->a.v6.sin6_family = AF_INET6; + addr->a.v6.sin6_port = 0; + memcpy(&addr->a.v6.sin6_addr, &ifa->addr, + sizeof(struct in6_addr)); + addr->a.v6.sin6_scope_id = ifa->idev->dev->ifindex; + list_add_tail(&addr->list, &sctp_local_addr_list); + } + break; + case NETDEV_DOWN: + list_for_each_safe(pos, temp, &sctp_local_addr_list) { + addr = list_entry(pos, struct sctp_sockaddr_entry, list); + if (ipv6_addr_equal(&addr->a.v6.sin6_addr, &ifa->addr)) { + list_del(pos); + kfree(addr); + break; + } + } + + break; + } + + return NOTIFY_DONE; +} + static struct notifier_block sctp_inet6addr_notifier = { - .notifier_call = sctp_inetaddr_event, + .notifier_call = sctp_inet6addr_event, }; /* ICMP error handler. */ diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c index f2ba8615895b4..3a3db56729ce7 100644 --- a/net/sctp/protocol.c +++ b/net/sctp/protocol.c @@ -163,7 +163,7 @@ static void sctp_v4_copy_addrlist(struct list_head *addrlist, /* Extract our IP addresses from the system and stash them in the * protocol structure. */ -static void __sctp_get_local_addr_list(void) +static void sctp_get_local_addr_list(void) { struct net_device *dev; struct list_head *pos; @@ -179,17 +179,8 @@ static void __sctp_get_local_addr_list(void) read_unlock(&dev_base_lock); } -static void sctp_get_local_addr_list(void) -{ - unsigned long flags; - - sctp_spin_lock_irqsave(&sctp_local_addr_lock, flags); - __sctp_get_local_addr_list(); - sctp_spin_unlock_irqrestore(&sctp_local_addr_lock, flags); -} - /* Free the existing local addresses. */ -static void __sctp_free_local_addr_list(void) +static void sctp_free_local_addr_list(void) { struct sctp_sockaddr_entry *addr; struct list_head *pos, *temp; @@ -201,27 +192,15 @@ static void __sctp_free_local_addr_list(void) } } -/* Free the existing local addresses. */ -static void sctp_free_local_addr_list(void) -{ - unsigned long flags; - - sctp_spin_lock_irqsave(&sctp_local_addr_lock, flags); - __sctp_free_local_addr_list(); - sctp_spin_unlock_irqrestore(&sctp_local_addr_lock, flags); -} - /* Copy the local addresses which are valid for 'scope' into 'bp'. */ int sctp_copy_local_addr_list(struct sctp_bind_addr *bp, sctp_scope_t scope, gfp_t gfp, int copy_flags) { struct sctp_sockaddr_entry *addr; int error = 0; - struct list_head *pos; - unsigned long flags; + struct list_head *pos, *temp; - sctp_spin_lock_irqsave(&sctp_local_addr_lock, flags); - list_for_each(pos, &sctp_local_addr_list) { + list_for_each_safe(pos, temp, &sctp_local_addr_list) { addr = list_entry(pos, struct sctp_sockaddr_entry, list); if (sctp_in_scope(&addr->a, scope)) { /* Now that the address is in scope, check to see if @@ -242,7 +221,6 @@ int sctp_copy_local_addr_list(struct sctp_bind_addr *bp, sctp_scope_t scope, } end_copy: - sctp_spin_unlock_irqrestore(&sctp_local_addr_lock, flags); return error; } @@ -622,18 +600,36 @@ static void sctp_v4_seq_dump_addr(struct seq_file *seq, union sctp_addr *addr) seq_printf(seq, "%d.%d.%d.%d ", NIPQUAD(addr->v4.sin_addr)); } -/* Event handler for inet address addition/deletion events. - * Basically, whenever there is an event, we re-build our local address list. - */ +/* Event handler for inet address addition/deletion events. */ int sctp_inetaddr_event(struct notifier_block *this, unsigned long ev, void *ptr) { - unsigned long flags; + struct in_ifaddr *ifa = (struct in_ifaddr *)ptr; + struct sctp_sockaddr_entry *addr; + struct list_head *pos, *temp; - sctp_spin_lock_irqsave(&sctp_local_addr_lock, flags); - __sctp_free_local_addr_list(); - __sctp_get_local_addr_list(); - sctp_spin_unlock_irqrestore(&sctp_local_addr_lock, flags); + switch (ev) { + case NETDEV_UP: + addr = kmalloc(sizeof(struct sctp_sockaddr_entry), GFP_ATOMIC); + if (addr) { + addr->a.v4.sin_family = AF_INET; + addr->a.v4.sin_port = 0; + addr->a.v4.sin_addr.s_addr = ifa->ifa_local; + list_add_tail(&addr->list, &sctp_local_addr_list); + } + break; + case NETDEV_DOWN: + list_for_each_safe(pos, temp, &sctp_local_addr_list) { + addr = list_entry(pos, struct sctp_sockaddr_entry, list); + if (addr->a.v4.sin_addr.s_addr == ifa->ifa_local) { + list_del(pos); + kfree(addr); + break; + } + } + + break; + } return NOTIFY_DONE; } @@ -1172,13 +1168,12 @@ SCTP_STATIC __init int sctp_init(void) /* Initialize the local address list. */ INIT_LIST_HEAD(&sctp_local_addr_list); - spin_lock_init(&sctp_local_addr_lock); + + sctp_get_local_addr_list(); /* Register notifier for inet address additions/deletions. */ register_inetaddr_notifier(&sctp_inetaddr_notifier); - sctp_get_local_addr_list(); - __unsafe(THIS_MODULE); status = 0; out: @@ -1263,6 +1258,7 @@ module_exit(sctp_exit); * __stringify doesn't likes enums, so use IPPROTO_SCTP value (132) directly. */ MODULE_ALIAS("net-pf-" __stringify(PF_INET) "-proto-132"); +MODULE_ALIAS("net-pf-" __stringify(PF_INET6) "-proto-132"); MODULE_AUTHOR("Linux Kernel SCTP developers <lksctp-developers@lists.sourceforge.net>"); MODULE_DESCRIPTION("Support for the SCTP protocol (RFC2960)"); MODULE_LICENSE("GPL"); diff --git a/net/sctp/socket.c b/net/sctp/socket.c index 1e8132b8c4d98..bdd8bd428b64f 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -2746,6 +2746,46 @@ static int sctp_setsockopt_adaption_layer(struct sock *sk, char __user *optval, return 0; } +/* + * 7.1.29. Set or Get the default context (SCTP_CONTEXT) + * + * The context field in the sctp_sndrcvinfo structure is normally only + * used when a failed message is retrieved holding the value that was + * sent down on the actual send call. This option allows the setting of + * a default context on an association basis that will be received on + * reading messages from the peer. This is especially helpful in the + * one-2-many model for an application to keep some reference to an + * internal state machine that is processing messages on the + * association. Note that the setting of this value only effects + * received messages from the peer and does not effect the value that is + * saved with outbound messages. + */ +static int sctp_setsockopt_context(struct sock *sk, char __user *optval, + int optlen) +{ + struct sctp_assoc_value params; + struct sctp_sock *sp; + struct sctp_association *asoc; + + if (optlen != sizeof(struct sctp_assoc_value)) + return -EINVAL; + if (copy_from_user(¶ms, optval, optlen)) + return -EFAULT; + + sp = sctp_sk(sk); + + if (params.assoc_id != 0) { + asoc = sctp_id2assoc(sk, params.assoc_id); + if (!asoc) + return -EINVAL; + asoc->default_rcv_context = params.assoc_value; + } else { + sp->default_rcv_context = params.assoc_value; + } + + return 0; +} + /* API 6.2 setsockopt(), getsockopt() * * Applications use setsockopt() and getsockopt() to set or retrieve @@ -2857,6 +2897,9 @@ SCTP_STATIC int sctp_setsockopt(struct sock *sk, int level, int optname, case SCTP_ADAPTION_LAYER: retval = sctp_setsockopt_adaption_layer(sk, optval, optlen); break; + case SCTP_CONTEXT: + retval = sctp_setsockopt_context(sk, optval, optlen); + break; default: retval = -ENOPROTOOPT; @@ -3016,6 +3059,8 @@ SCTP_STATIC int sctp_init_sock(struct sock *sk) sp->default_context = 0; sp->default_timetolive = 0; + sp->default_rcv_context = 0; + /* Initialize default setup parameters. These parameters * can be modified with the SCTP_INITMSG socket option or * overridden by the SCTP_INIT CMSG. @@ -3821,10 +3866,9 @@ static int sctp_getsockopt_local_addrs_num_old(struct sock *sk, int len, sctp_assoc_t id; struct sctp_bind_addr *bp; struct sctp_association *asoc; - struct list_head *pos; + struct list_head *pos, *temp; struct sctp_sockaddr_entry *addr; rwlock_t *addr_lock; - unsigned long flags; int cnt = 0; if (len != sizeof(sctp_assoc_t)) @@ -3859,8 +3903,7 @@ static int sctp_getsockopt_local_addrs_num_old(struct sock *sk, int len, addr = list_entry(bp->address_list.next, struct sctp_sockaddr_entry, list); if (sctp_is_any(&addr->a)) { - sctp_spin_lock_irqsave(&sctp_local_addr_lock, flags); - list_for_each(pos, &sctp_local_addr_list) { + list_for_each_safe(pos, temp, &sctp_local_addr_list) { addr = list_entry(pos, struct sctp_sockaddr_entry, list); @@ -3869,8 +3912,6 @@ static int sctp_getsockopt_local_addrs_num_old(struct sock *sk, int len, continue; cnt++; } - sctp_spin_unlock_irqrestore(&sctp_local_addr_lock, - flags); } else { cnt = 1; } @@ -3892,15 +3933,13 @@ done: static int sctp_copy_laddrs_to_user_old(struct sock *sk, __u16 port, int max_addrs, void __user *to) { - struct list_head *pos; + struct list_head *pos, *next; struct sctp_sockaddr_entry *addr; - unsigned long flags; union sctp_addr temp; int cnt = 0; int addrlen; - sctp_spin_lock_irqsave(&sctp_local_addr_lock, flags); - list_for_each(pos, &sctp_local_addr_list) { + list_for_each_safe(pos, next, &sctp_local_addr_list) { addr = list_entry(pos, struct sctp_sockaddr_entry, list); if ((PF_INET == sk->sk_family) && (AF_INET6 == addr->a.sa.sa_family)) @@ -3909,16 +3948,13 @@ static int sctp_copy_laddrs_to_user_old(struct sock *sk, __u16 port, int max_add sctp_get_pf_specific(sk->sk_family)->addr_v4map(sctp_sk(sk), &temp); addrlen = sctp_get_af_specific(temp.sa.sa_family)->sockaddr_len; - if (copy_to_user(to, &temp, addrlen)) { - sctp_spin_unlock_irqrestore(&sctp_local_addr_lock, - flags); + if (copy_to_user(to, &temp, addrlen)) return -EFAULT; - } + to += addrlen; cnt ++; if (cnt >= max_addrs) break; } - sctp_spin_unlock_irqrestore(&sctp_local_addr_lock, flags); return cnt; } @@ -3926,15 +3962,13 @@ static int sctp_copy_laddrs_to_user_old(struct sock *sk, __u16 port, int max_add static int sctp_copy_laddrs_to_user(struct sock *sk, __u16 port, void __user **to, size_t space_left) { - struct list_head *pos; + struct list_head *pos, *next; struct sctp_sockaddr_entry *addr; - unsigned long flags; union sctp_addr temp; int cnt = 0; int addrlen; - sctp_spin_lock_irqsave(&sctp_local_addr_lock, flags); - list_for_each(pos, &sctp_local_addr_list) { + list_for_each_safe(pos, next, &sctp_local_addr_list) { addr = list_entry(pos, struct sctp_sockaddr_entry, list); if ((PF_INET == sk->sk_family) && (AF_INET6 == addr->a.sa.sa_family)) @@ -3945,16 +3979,13 @@ static int sctp_copy_laddrs_to_user(struct sock *sk, __u16 port, addrlen = sctp_get_af_specific(temp.sa.sa_family)->sockaddr_len; if(space_left<addrlen) return -ENOMEM; - if (copy_to_user(*to, &temp, addrlen)) { - sctp_spin_unlock_irqrestore(&sctp_local_addr_lock, - flags); + if (copy_to_user(*to, &temp, addrlen)) return -EFAULT; - } + *to += addrlen; cnt ++; space_left -= addrlen; } - sctp_spin_unlock_irqrestore(&sctp_local_addr_lock, flags); return cnt; } @@ -4435,6 +4466,42 @@ static int sctp_getsockopt_mappedv4(struct sock *sk, int len, } /* + * 7.1.29. Set or Get the default context (SCTP_CONTEXT) + * (chapter and verse is quoted at sctp_setsockopt_context()) + */ +static int sctp_getsockopt_context(struct sock *sk, int len, + char __user *optval, int __user *optlen) +{ + struct sctp_assoc_value params; + struct sctp_sock *sp; + struct sctp_association *asoc; + + if (len != sizeof(struct sctp_assoc_value)) + return -EINVAL; + + if (copy_from_user(¶ms, optval, len)) + return -EFAULT; + + sp = sctp_sk(sk); + + if (params.assoc_id != 0) { + asoc = sctp_id2assoc(sk, params.assoc_id); + if (!asoc) + return -EINVAL; + params.assoc_value = asoc->default_rcv_context; + } else { + params.assoc_value = sp->default_rcv_context; + } + + if (put_user(len, optlen)) + return -EFAULT; + if (copy_to_user(optval, ¶ms, len)) + return -EFAULT; + + return 0; +} + +/* * 7.1.17 Set the maximum fragrmentation size (SCTP_MAXSEG) * * This socket option specifies the maximum size to put in any outgoing @@ -4572,6 +4639,9 @@ SCTP_STATIC int sctp_getsockopt(struct sock *sk, int level, int optname, retval = sctp_getsockopt_adaption_layer(sk, len, optval, optlen); break; + case SCTP_CONTEXT: + retval = sctp_getsockopt_context(sk, len, optval, optlen); + break; default: retval = -ENOPROTOOPT; break; diff --git a/net/sctp/ulpevent.c b/net/sctp/ulpevent.c index e255a709f1b7e..93ac63b055ba2 100644 --- a/net/sctp/ulpevent.c +++ b/net/sctp/ulpevent.c @@ -849,8 +849,10 @@ void sctp_ulpevent_read_sndrcvinfo(const struct sctp_ulpevent *event, */ sinfo.sinfo_assoc_id = sctp_assoc2id(event->asoc); + /* context value that is set via SCTP_CONTEXT socket option. */ + sinfo.sinfo_context = event->asoc->default_rcv_context; + /* These fields are not used while receiving. */ - sinfo.sinfo_context = 0; sinfo.sinfo_timetolive = 0; put_cmsg(msghdr, IPPROTO_SCTP, SCTP_SNDRCV, diff --git a/net/sunrpc/auth_gss/svcauth_gss.c b/net/sunrpc/auth_gss/svcauth_gss.c index 700353b330fd3..066c64a97fd87 100644 --- a/net/sunrpc/auth_gss/svcauth_gss.c +++ b/net/sunrpc/auth_gss/svcauth_gss.c @@ -804,19 +804,19 @@ unwrap_integ_data(struct xdr_buf *buf, u32 seq, struct gss_ctx *ctx) integ_len = svc_getnl(&buf->head[0]); if (integ_len & 3) - goto out; + return stat; if (integ_len > buf->len) - goto out; + return stat; if (xdr_buf_subsegment(buf, &integ_buf, 0, integ_len)) BUG(); /* copy out mic... */ if (read_u32_from_xdr_buf(buf, integ_len, &mic.len)) BUG(); if (mic.len > RPC_MAX_AUTH_SIZE) - goto out; + return stat; mic.data = kmalloc(mic.len, GFP_KERNEL); if (!mic.data) - goto out; + return stat; if (read_bytes_from_xdr_buf(buf, integ_len + 4, mic.data, mic.len)) goto out; maj_stat = gss_verify_mic(ctx, &integ_buf, &mic); @@ -826,6 +826,7 @@ unwrap_integ_data(struct xdr_buf *buf, u32 seq, struct gss_ctx *ctx) goto out; stat = 0; out: + kfree(mic.data); return stat; } @@ -1065,7 +1066,7 @@ svcauth_gss_accept(struct svc_rqst *rqstp, __be32 *authp) } switch(cache_check(&rsi_cache, &rsip->h, &rqstp->rq_chandle)) { case -EAGAIN: - goto drop; + case -ETIMEDOUT: case -ENOENT: goto drop; case 0: diff --git a/net/sunrpc/cache.c b/net/sunrpc/cache.c index 80aff04745725..14274490f92e8 100644 --- a/net/sunrpc/cache.c +++ b/net/sunrpc/cache.c @@ -34,7 +34,7 @@ #define RPCDBG_FACILITY RPCDBG_CACHE -static void cache_defer_req(struct cache_req *req, struct cache_head *item); +static int cache_defer_req(struct cache_req *req, struct cache_head *item); static void cache_revisit_request(struct cache_head *item); static void cache_init(struct cache_head *h) @@ -185,6 +185,7 @@ static int cache_make_upcall(struct cache_detail *detail, struct cache_head *h); * * Returns 0 if the cache_head can be used, or cache_puts it and returns * -EAGAIN if upcall is pending, + * -ETIMEDOUT if upcall failed and should be retried, * -ENOENT if cache entry was negative */ int cache_check(struct cache_detail *detail, @@ -236,7 +237,8 @@ int cache_check(struct cache_detail *detail, } if (rv == -EAGAIN) - cache_defer_req(rqstp, h); + if (cache_defer_req(rqstp, h) != 0) + rv = -ETIMEDOUT; if (rv) cache_put(h, detail); @@ -523,14 +525,21 @@ static LIST_HEAD(cache_defer_list); static struct list_head cache_defer_hash[DFR_HASHSIZE]; static int cache_defer_cnt; -static void cache_defer_req(struct cache_req *req, struct cache_head *item) +static int cache_defer_req(struct cache_req *req, struct cache_head *item) { struct cache_deferred_req *dreq; int hash = DFR_HASH(item); + if (cache_defer_cnt >= DFR_MAX) { + /* too much in the cache, randomly drop this one, + * or continue and drop the oldest below + */ + if (net_random()&1) + return -ETIMEDOUT; + } dreq = req->defer(req); if (dreq == NULL) - return; + return -ETIMEDOUT; dreq->item = item; dreq->recv_time = get_seconds(); @@ -546,17 +555,8 @@ static void cache_defer_req(struct cache_req *req, struct cache_head *item) /* it is in, now maybe clean up */ dreq = NULL; if (++cache_defer_cnt > DFR_MAX) { - /* too much in the cache, randomly drop - * first or last - */ - if (net_random()&1) - dreq = list_entry(cache_defer_list.next, - struct cache_deferred_req, - recent); - else - dreq = list_entry(cache_defer_list.prev, - struct cache_deferred_req, - recent); + dreq = list_entry(cache_defer_list.prev, + struct cache_deferred_req, recent); list_del(&dreq->recent); list_del(&dreq->hash); cache_defer_cnt--; @@ -571,6 +571,7 @@ static void cache_defer_req(struct cache_req *req, struct cache_head *item) /* must have just been validated... */ cache_revisit_request(item); } + return 0; } static void cache_revisit_request(struct cache_head *item) diff --git a/net/sunrpc/svc.c b/net/sunrpc/svc.c index eb44ec929ca11..f3001f3626f63 100644 --- a/net/sunrpc/svc.c +++ b/net/sunrpc/svc.c @@ -308,7 +308,7 @@ __svc_create(struct svc_program *prog, unsigned int bufsize, int npools, serv->sv_nrpools = npools; serv->sv_pools = - kcalloc(sizeof(struct svc_pool), serv->sv_nrpools, + kcalloc(serv->sv_nrpools, sizeof(struct svc_pool), GFP_KERNEL); if (!serv->sv_pools) { kfree(serv); diff --git a/net/sunrpc/svcauth_unix.c b/net/sunrpc/svcauth_unix.c index a0a953a430c29..0d1e8fb83b930 100644 --- a/net/sunrpc/svcauth_unix.c +++ b/net/sunrpc/svcauth_unix.c @@ -53,6 +53,10 @@ struct auth_domain *unix_domain_find(char *name) return NULL; kref_init(&new->h.ref); new->h.name = kstrdup(name, GFP_KERNEL); + if (new->h.name == NULL) { + kfree(new); + return NULL; + } new->h.flavour = &svcauth_unix; new->addr_changes = 0; rv = auth_domain_lookup(name, &new->h); @@ -435,6 +439,7 @@ svcauth_unix_set_client(struct svc_rqst *rqstp) default: BUG(); case -EAGAIN: + case -ETIMEDOUT: return SVC_DROP; case -ENOENT: return SVC_DENIED; diff --git a/net/tipc/config.c b/net/tipc/config.c index 458a2c46cef3d..baf55c459c8bc 100644 --- a/net/tipc/config.c +++ b/net/tipc/config.c @@ -208,7 +208,7 @@ static void cfg_cmd_event(struct tipc_cmd_msg *msg, if (mng.link_subscriptions > 64) break; - sub = (struct subscr_data *)kmalloc(sizeof(*sub), + sub = kmalloc(sizeof(*sub), GFP_ATOMIC); if (sub == NULL) { warn("Memory squeeze; dropped remote link subscription\n"); diff --git a/scripts/kconfig/conf.c b/scripts/kconfig/conf.c index 4dcb8867b5f4d..124b341a18c02 100644 --- a/scripts/kconfig/conf.c +++ b/scripts/kconfig/conf.c @@ -600,7 +600,7 @@ int main(int ac, char **av) input_mode = ask_silent; valid_stdin = 1; } - } else if (sym_change_count) { + } else if (conf_get_changed()) { name = getenv("KCONFIG_NOSILENTUPDATE"); if (name && *name) { fprintf(stderr, _("\n*** Kernel configuration requires explicit update.\n\n")); diff --git a/scripts/kconfig/confdata.c b/scripts/kconfig/confdata.c index 66b15ef029313..664fe29dacef5 100644 --- a/scripts/kconfig/confdata.c +++ b/scripts/kconfig/confdata.c @@ -100,7 +100,7 @@ int conf_read_simple(const char *name, int def) in = zconf_fopen(name); if (in) goto load; - sym_change_count++; + sym_add_change_count(1); if (!sym_defconfig_list) return 1; @@ -312,7 +312,7 @@ int conf_read(const char *name) struct expr *e; int i, flags; - sym_change_count = 0; + sym_set_change_count(0); if (conf_read_simple(name, S_DEF_USER)) return 1; @@ -364,7 +364,7 @@ int conf_read(const char *name) sym->flags &= flags | ~SYMBOL_DEF_USER; } - sym_change_count += conf_warnings || conf_unsaved; + sym_add_change_count(conf_warnings || conf_unsaved); return 0; } @@ -432,7 +432,7 @@ int conf_write(const char *name) use_timestamp ? "# " : "", use_timestamp ? ctime(&now) : ""); - if (!sym_change_count) + if (!conf_get_changed()) sym_clear_all_valid(); menu = rootmenu.list; @@ -528,7 +528,7 @@ int conf_write(const char *name) "# configuration written to %s\n" "#\n"), newname); - sym_change_count = 0; + sym_set_change_count(0); return 0; } @@ -765,3 +765,30 @@ int conf_write_autoconf(void) return 0; } + +static int sym_change_count; +static void (*conf_changed_callback)(void); + +void sym_set_change_count(int count) +{ + int _sym_change_count = sym_change_count; + sym_change_count = count; + if (conf_changed_callback && + (bool)_sym_change_count != (bool)count) + conf_changed_callback(); +} + +void sym_add_change_count(int count) +{ + sym_set_change_count(count + sym_change_count); +} + +bool conf_get_changed(void) +{ + return sym_change_count; +} + +void conf_set_changed_callback(void (*fn)(void)) +{ + conf_changed_callback = fn; +} diff --git a/scripts/kconfig/gconf.c b/scripts/kconfig/gconf.c index 7b0d3a93d5c08..61d8166166ef8 100644 --- a/scripts/kconfig/gconf.c +++ b/scripts/kconfig/gconf.c @@ -38,8 +38,6 @@ static gboolean show_all = FALSE; static gboolean show_debug = FALSE; static gboolean resizeable = FALSE; -static gboolean config_changed = FALSE; - static char nohelp_text[] = N_("Sorry, no help available for this option yet.\n"); @@ -50,6 +48,8 @@ GtkWidget *text_w = NULL; GtkWidget *hpaned = NULL; GtkWidget *vpaned = NULL; GtkWidget *back_btn = NULL; +GtkWidget *save_btn = NULL; +GtkWidget *save_menu_item = NULL; GtkTextTag *tag1, *tag2; GdkColor color; @@ -75,7 +75,7 @@ static void display_tree_part(void); static void update_tree(struct menu *src, GtkTreeIter * dst); static void set_node(GtkTreeIter * node, struct menu *menu, gchar ** row); static gchar **fill_row(struct menu *menu); - +static void conf_changed(void); /* Helping/Debugging Functions */ @@ -224,6 +224,10 @@ void init_main_window(const gchar * glade_file) gtk_check_menu_item_set_active((GtkCheckMenuItem *) widget, show_value); + save_btn = glade_xml_get_widget(xml, "button3"); + save_menu_item = glade_xml_get_widget(xml, "save1"); + conf_set_changed_callback(conf_changed); + style = gtk_widget_get_style(main_wnd); widget = glade_xml_get_widget(xml, "toolbar1"); @@ -512,14 +516,14 @@ static void text_insert_msg(const char *title, const char *message) /* Main Windows Callbacks */ -void on_save1_activate(GtkMenuItem * menuitem, gpointer user_data); +void on_save_activate(GtkMenuItem * menuitem, gpointer user_data); gboolean on_window1_delete_event(GtkWidget * widget, GdkEvent * event, gpointer user_data) { GtkWidget *dialog, *label; gint result; - if (config_changed == FALSE) + if (!conf_get_changed()) return FALSE; dialog = gtk_dialog_new_with_buttons(_("Warning !"), @@ -543,7 +547,7 @@ gboolean on_window1_delete_event(GtkWidget * widget, GdkEvent * event, result = gtk_dialog_run(GTK_DIALOG(dialog)); switch (result) { case GTK_RESPONSE_YES: - on_save1_activate(NULL, NULL); + on_save_activate(NULL, NULL); return FALSE; case GTK_RESPONSE_NO: return FALSE; @@ -621,12 +625,10 @@ void on_load1_activate(GtkMenuItem * menuitem, gpointer user_data) } -void on_save1_activate(GtkMenuItem * menuitem, gpointer user_data) +void on_save_activate(GtkMenuItem * menuitem, gpointer user_data) { if (conf_write(NULL)) text_insert_msg(_("Error"), _("Unable to save configuration !")); - - config_changed = FALSE; } @@ -819,12 +821,6 @@ void on_load_clicked(GtkButton * button, gpointer user_data) } -void on_save_clicked(GtkButton * button, gpointer user_data) -{ - on_save1_activate(NULL, user_data); -} - - void on_single_clicked(GtkButton * button, gpointer user_data) { view_mode = SINGLE_VIEW; @@ -899,7 +895,6 @@ static void renderer_edited(GtkCellRendererText * cell, sym_set_string_value(sym, new_def); - config_changed = TRUE; update_tree(&rootmenu, NULL); gtk_tree_path_free(path); @@ -930,7 +925,6 @@ static void change_sym_value(struct menu *menu, gint col) if (!sym_tristate_within_range(sym, newval)) newval = yes; sym_set_tristate_value(sym, newval); - config_changed = TRUE; if (view_mode == FULL_VIEW) update_tree(&rootmenu, NULL); else if (view_mode == SPLIT_VIEW) { @@ -1633,3 +1627,10 @@ int main(int ac, char *av[]) return 0; } + +static void conf_changed(void) +{ + bool changed = conf_get_changed(); + gtk_widget_set_sensitive(save_btn, changed); + gtk_widget_set_sensitive(save_menu_item, changed); +} diff --git a/scripts/kconfig/gconf.glade b/scripts/kconfig/gconf.glade index f8744ed64967a..803233fdd6ddb 100644 --- a/scripts/kconfig/gconf.glade +++ b/scripts/kconfig/gconf.glade @@ -70,7 +70,7 @@ <property name="tooltip" translatable="yes">Save the config in .config</property> <property name="label" translatable="yes">_Save</property> <property name="use_underline">True</property> - <signal name="activate" handler="on_save1_activate"/> + <signal name="activate" handler="on_save_activate"/> <accelerator key="S" modifiers="GDK_CONTROL_MASK" signal="activate"/> <child internal-child="image"> @@ -380,7 +380,7 @@ <property name="visible_horizontal">True</property> <property name="visible_vertical">True</property> <property name="is_important">False</property> - <signal name="clicked" handler="on_save_clicked"/> + <signal name="clicked" handler="on_save_activate"/> </widget> <packing> <property name="expand">False</property> diff --git a/scripts/kconfig/lkc.h b/scripts/kconfig/lkc.h index 2628023a1fe1d..9b2706a41548d 100644 --- a/scripts/kconfig/lkc.h +++ b/scripts/kconfig/lkc.h @@ -65,6 +65,8 @@ char *zconf_curname(void); /* confdata.c */ char *conf_get_default_confname(void); +void sym_set_change_count(int count); +void sym_add_change_count(int count); /* kconfig_load.c */ void kconfig_load(void); diff --git a/scripts/kconfig/lkc_proto.h b/scripts/kconfig/lkc_proto.h index a263746cfa7de..15030770d1ad4 100644 --- a/scripts/kconfig/lkc_proto.h +++ b/scripts/kconfig/lkc_proto.h @@ -5,6 +5,8 @@ P(conf_read,int,(const char *name)); P(conf_read_simple,int,(const char *name, int)); P(conf_write,int,(const char *name)); P(conf_write_autoconf,int,(void)); +P(conf_get_changed,bool,(void)); +P(conf_set_changed_callback, void,(void (*fn)(void))); /* menu.c */ P(rootmenu,struct menu,); @@ -16,7 +18,6 @@ P(menu_get_parent_menu,struct menu *,(struct menu *menu)); /* symbol.c */ P(symbol_hash,struct symbol *,[SYMBOL_HASHSIZE]); -P(sym_change_count,int,); P(sym_lookup,struct symbol *,(const char *name, int isconst)); P(sym_find,struct symbol *,(const char *name)); diff --git a/scripts/kconfig/mconf.c b/scripts/kconfig/mconf.c index 08a4c7af93ea0..3f9a1321b3e60 100644 --- a/scripts/kconfig/mconf.c +++ b/scripts/kconfig/mconf.c @@ -890,14 +890,19 @@ int main(int ac, char **av) do { conf(&rootmenu); dialog_clear(); - res = dialog_yesno(NULL, - _("Do you wish to save your " - "new kernel configuration?\n" - "<ESC><ESC> to continue."), - 6, 60); + if (conf_get_changed()) + res = dialog_yesno(NULL, + _("Do you wish to save your " + "new kernel configuration?\n" + "<ESC><ESC> to continue."), + 6, 60); + else + res = -1; } while (res == KEY_ESC); end_dialog(); - if (res == 0) { + + switch (res) { + case 0: if (conf_write(NULL)) { fprintf(stderr, _("\n\n" "Error during writing of the kernel configuration.\n" @@ -905,11 +910,13 @@ int main(int ac, char **av) "\n\n")); return 1; } + case -1: printf(_("\n\n" "*** End of Linux kernel configuration.\n" "*** Execute 'make' to build the kernel or try 'make help'." "\n\n")); - } else { + break; + default: fprintf(stderr, _("\n\n" "Your kernel configuration changes were NOT saved." "\n\n")); diff --git a/scripts/kconfig/qconf.cc b/scripts/kconfig/qconf.cc index f5628c57640b1..0b2fcc417f590 100644 --- a/scripts/kconfig/qconf.cc +++ b/scripts/kconfig/qconf.cc @@ -38,6 +38,8 @@ static QApplication *configApp; static ConfigSettings *configSettings; +QAction *ConfigMainWindow::saveAction; + static inline QString qgettext(const char* str) { return QString::fromLocal8Bit(gettext(str)); @@ -1306,8 +1308,11 @@ ConfigMainWindow::ConfigMainWindow(void) connect(quitAction, SIGNAL(activated()), SLOT(close())); QAction *loadAction = new QAction("Load", QPixmap(xpm_load), "&Load", CTRL+Key_L, this); connect(loadAction, SIGNAL(activated()), SLOT(loadConfig())); - QAction *saveAction = new QAction("Save", QPixmap(xpm_save), "&Save", CTRL+Key_S, this); + saveAction = new QAction("Save", QPixmap(xpm_save), "&Save", CTRL+Key_S, this); connect(saveAction, SIGNAL(activated()), SLOT(saveConfig())); + conf_set_changed_callback(conf_changed); + // Set saveAction's initial state + conf_changed(); QAction *saveAsAction = new QAction("Save As...", "Save &As...", 0, this); connect(saveAsAction, SIGNAL(activated()), SLOT(saveConfigAs())); QAction *searchAction = new QAction("Search", "&Search", CTRL+Key_F, this); @@ -1585,7 +1590,7 @@ void ConfigMainWindow::showFullView(void) */ void ConfigMainWindow::closeEvent(QCloseEvent* e) { - if (!sym_change_count) { + if (!conf_get_changed()) { e->accept(); return; } @@ -1658,6 +1663,12 @@ void ConfigMainWindow::saveSettings(void) configSettings->writeSizes("/split2", split2->sizes()); } +void ConfigMainWindow::conf_changed(void) +{ + if (saveAction) + saveAction->setEnabled(conf_get_changed()); +} + void fixup_rootmenu(struct menu *menu) { struct menu *child; diff --git a/scripts/kconfig/qconf.h b/scripts/kconfig/qconf.h index 6a9e3b14c227c..6fc1c5f144251 100644 --- a/scripts/kconfig/qconf.h +++ b/scripts/kconfig/qconf.h @@ -297,6 +297,9 @@ protected: class ConfigMainWindow : public QMainWindow { Q_OBJECT + + static QAction *saveAction; + static void conf_changed(void); public: ConfigMainWindow(void); public slots: diff --git a/scripts/kconfig/symbol.c b/scripts/kconfig/symbol.c index ee225ced2ce45..8f06c474d800f 100644 --- a/scripts/kconfig/symbol.c +++ b/scripts/kconfig/symbol.c @@ -30,7 +30,6 @@ struct symbol symbol_yes = { .flags = SYMBOL_VALID, }; -int sym_change_count; struct symbol *sym_defconfig_list; struct symbol *modules_sym; tristate modules_val; @@ -379,7 +378,7 @@ void sym_clear_all_valid(void) for_all_symbols(i, sym) sym->flags &= ~SYMBOL_VALID; - sym_change_count++; + sym_add_change_count(1); if (modules_sym) sym_calc_value(modules_sym); } diff --git a/scripts/kconfig/zconf.tab.c_shipped b/scripts/kconfig/zconf.tab.c_shipped index 2fb0a4fc61d01..d777fe85627f0 100644 --- a/scripts/kconfig/zconf.tab.c_shipped +++ b/scripts/kconfig/zconf.tab.c_shipped @@ -2135,7 +2135,7 @@ void conf_parse(const char *name) sym_check_deps(sym); } - sym_change_count = 1; + sym_set_change_count(1); } const char *zconf_tokenname(int token) diff --git a/scripts/kconfig/zconf.y b/scripts/kconfig/zconf.y index ab44feb3c600b..04a5864c03b1b 100644 --- a/scripts/kconfig/zconf.y +++ b/scripts/kconfig/zconf.y @@ -504,7 +504,7 @@ void conf_parse(const char *name) sym_check_deps(sym); } - sym_change_count = 1; + sym_set_change_count(1); } const char *zconf_tokenname(int token) diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c index ac0a582229924..15ab5d02e80a1 100644 --- a/scripts/mod/modpost.c +++ b/scripts/mod/modpost.c @@ -997,6 +997,7 @@ static int exit_section_ref_ok(const char *name) "__bug_table", /* used by powerpc for BUG() */ ".exitcall.exit", ".eh_frame", + ".parainstructions", ".stab", "__ex_table", ".fixup", diff --git a/sound/core/oss/mixer_oss.c b/sound/core/oss/mixer_oss.c index f4c67042e3ac1..3391f2a9b4d16 100644 --- a/sound/core/oss/mixer_oss.c +++ b/sound/core/oss/mixer_oss.c @@ -1023,7 +1023,7 @@ static int snd_mixer_oss_build_input(struct snd_mixer_oss *mixer, struct snd_mix } up_read(&mixer->card->controls_rwsem); if (slot.present != 0) { - pslot = (struct slot *)kmalloc(sizeof(slot), GFP_KERNEL); + pslot = kmalloc(sizeof(slot), GFP_KERNEL); if (! pslot) return -ENOMEM; *pslot = slot; diff --git a/sound/oss/ad1848.c b/sound/oss/ad1848.c index 0ffa9970bf0ff..7cf9913a47b26 100644 --- a/sound/oss/ad1848.c +++ b/sound/oss/ad1848.c @@ -1992,7 +1992,7 @@ int ad1848_init (char *name, struct resource *ports, int irq, int dma_playback, devc->audio_flags |= DMA_DUPLEX; } - portc = (ad1848_port_info *) kmalloc(sizeof(ad1848_port_info), GFP_KERNEL); + portc = kmalloc(sizeof(ad1848_port_info), GFP_KERNEL); if(portc==NULL) { release_region(devc->base, 4); return -1; diff --git a/sound/oss/cs4232.c b/sound/oss/cs4232.c index b6924c7f1484f..de40e21bf2798 100644 --- a/sound/oss/cs4232.c +++ b/sound/oss/cs4232.c @@ -408,7 +408,7 @@ static int __init cs4232_pnp_probe(struct pnp_dev *dev, const struct pnp_device_ { struct address_info *isapnpcfg; - isapnpcfg=(struct address_info*)kmalloc(sizeof(*isapnpcfg),GFP_KERNEL); + isapnpcfg = kmalloc(sizeof(*isapnpcfg),GFP_KERNEL); if (!isapnpcfg) return -ENOMEM; diff --git a/sound/oss/dmasound/tas3001c.c b/sound/oss/dmasound/tas3001c.c index f227c9f688ccb..2f21a3c00374a 100644 --- a/sound/oss/dmasound/tas3001c.c +++ b/sound/oss/dmasound/tas3001c.c @@ -50,6 +50,7 @@ struct tas3001c_data_t { int output_id; int speaker_id; struct tas_drce_t drce_state; + struct work_struct change; }; @@ -667,14 +668,13 @@ tas3001c_update_device_parameters(struct tas3001c_data_t *self) } static void -tas3001c_device_change_handler(void *self) +tas3001c_device_change_handler(struct work_struct *work) { - if (self) - tas3001c_update_device_parameters(self); + struct tas3001c_data_t *self; + self = container_of(work, struct tas3001c_data_t, change); + tas3001c_update_device_parameters(self); } -static struct work_struct device_change; - static int tas3001c_output_device_change( struct tas3001c_data_t *self, int device_id, @@ -685,7 +685,7 @@ tas3001c_output_device_change( struct tas3001c_data_t *self, self->output_id=output_id; self->speaker_id=speaker_id; - schedule_work(&device_change); + schedule_work(&self->change); return 0; } @@ -823,7 +823,7 @@ tas3001c_init(struct i2c_client *client) tas3001c_write_biquad_shadow(self, i, j, &tas3001c_eq_unity); - INIT_WORK(&device_change, tas3001c_device_change_handler, self); + INIT_WORK(&self->change, tas3001c_device_change_handler); return 0; } diff --git a/sound/oss/dmasound/tas3004.c b/sound/oss/dmasound/tas3004.c index 82eaaca2db9a4..af34fb39bc29e 100644 --- a/sound/oss/dmasound/tas3004.c +++ b/sound/oss/dmasound/tas3004.c @@ -48,6 +48,7 @@ struct tas3004_data_t { int output_id; int speaker_id; struct tas_drce_t drce_state; + struct work_struct change; }; #define MAKE_TIME(sec,usec) (((sec)<<12) + (50000+(usec/10)*(1<<12))/100000) @@ -914,15 +915,13 @@ tas3004_update_device_parameters(struct tas3004_data_t *self) } static void -tas3004_device_change_handler(void *self) +tas3004_device_change_handler(struct work_struct *work) { - if (!self) return; - - tas3004_update_device_parameters((struct tas3004_data_t *)self); + struct tas3004_data_t *self; + self = container_of(work, struct tas3004_data_t, change); + tas3004_update_device_parameters(self); } -static struct work_struct device_change; - static int tas3004_output_device_change( struct tas3004_data_t *self, int device_id, @@ -933,7 +932,7 @@ tas3004_output_device_change( struct tas3004_data_t *self, self->output_id=output_id; self->speaker_id=speaker_id; - schedule_work(&device_change); + schedule_work(&self->change); return 0; } @@ -1112,7 +1111,7 @@ tas3004_init(struct i2c_client *client) tas3004_write_register(self, TAS3004_REG_MCR2, &mcr2, WRITE_SHADOW); tas3004_write_register(self, TAS3004_REG_DRC, drce_init, WRITE_SHADOW); - INIT_WORK(&device_change, tas3004_device_change_handler, self); + INIT_WORK(&self->change, tas3004_device_change_handler); return 0; } diff --git a/sound/oss/emu10k1/audio.c b/sound/oss/emu10k1/audio.c index 49f902f35c280..efcf589d70834 100644 --- a/sound/oss/emu10k1/audio.c +++ b/sound/oss/emu10k1/audio.c @@ -1139,7 +1139,7 @@ static int emu10k1_audio_open(struct inode *inode, struct file *file) match: - wave_dev = (struct emu10k1_wavedevice *) kmalloc(sizeof(struct emu10k1_wavedevice), GFP_KERNEL); + wave_dev = kmalloc(sizeof(struct emu10k1_wavedevice), GFP_KERNEL); if (wave_dev == NULL) { ERROR(); @@ -1155,7 +1155,7 @@ match: /* Recording */ struct wiinst *wiinst; - if ((wiinst = (struct wiinst *) kmalloc(sizeof(struct wiinst), GFP_KERNEL)) == NULL) { + if ((wiinst = kmalloc(sizeof(struct wiinst), GFP_KERNEL)) == NULL) { ERROR(); kfree(wave_dev); return -ENOMEM; @@ -1211,7 +1211,7 @@ match: struct woinst *woinst; int i; - if ((woinst = (struct woinst *) kmalloc(sizeof(struct woinst), GFP_KERNEL)) == NULL) { + if ((woinst = kmalloc(sizeof(struct woinst), GFP_KERNEL)) == NULL) { ERROR(); kfree(wave_dev); return -ENOMEM; diff --git a/sound/oss/emu10k1/cardmi.c b/sound/oss/emu10k1/cardmi.c index 0545814cc67dc..57674f8c8a2e7 100644 --- a/sound/oss/emu10k1/cardmi.c +++ b/sound/oss/emu10k1/cardmi.c @@ -157,7 +157,7 @@ int emu10k1_mpuin_add_buffer(struct emu10k1_mpuin *card_mpuin, struct midi_hdr * midihdr->flags |= MIDIBUF_INQUEUE; /* set */ midihdr->flags &= ~MIDIBUF_DONE; /* clear */ - if ((midiq = (struct midi_queue *) kmalloc(sizeof(struct midi_queue), GFP_ATOMIC)) == NULL) { + if ((midiq = kmalloc(sizeof(struct midi_queue), GFP_ATOMIC)) == NULL) { /* Message lost */ return -1; } diff --git a/sound/oss/emu10k1/cardmo.c b/sound/oss/emu10k1/cardmo.c index 5938d31f9e219..a8cc75db3e452 100644 --- a/sound/oss/emu10k1/cardmo.c +++ b/sound/oss/emu10k1/cardmo.c @@ -117,7 +117,7 @@ int emu10k1_mpuout_add_buffer(struct emu10k1_card *card, struct midi_hdr *midihd midihdr->flags |= MIDIBUF_INQUEUE; midihdr->flags &= ~MIDIBUF_DONE; - if ((midiq = (struct midi_queue *) kmalloc(sizeof(struct midi_queue), GFP_KERNEL)) == NULL) { + if ((midiq = kmalloc(sizeof(struct midi_queue), GFP_KERNEL)) == NULL) { /* Message lost */ return -1; } diff --git a/sound/oss/emu10k1/midi.c b/sound/oss/emu10k1/midi.c index 8ac77df863971..cca3dad2bdf4b 100644 --- a/sound/oss/emu10k1/midi.c +++ b/sound/oss/emu10k1/midi.c @@ -58,7 +58,7 @@ static int midiin_add_buffer(struct emu10k1_mididevice *midi_dev, struct midi_hd { struct midi_hdr *midihdr; - if ((midihdr = (struct midi_hdr *) kmalloc(sizeof(struct midi_hdr), GFP_KERNEL)) == NULL) { + if ((midihdr = kmalloc(sizeof(struct midi_hdr), GFP_KERNEL)) == NULL) { ERROR(); return -EINVAL; } @@ -128,7 +128,7 @@ match: mutex_lock(&card->open_sem); } - if ((midi_dev = (struct emu10k1_mididevice *) kmalloc(sizeof(*midi_dev), GFP_KERNEL)) == NULL) + if ((midi_dev = kmalloc(sizeof(*midi_dev), GFP_KERNEL)) == NULL) return -EINVAL; midi_dev->card = card; @@ -328,7 +328,7 @@ static ssize_t emu10k1_midi_write(struct file *file, const char __user *buffer, if (!access_ok(VERIFY_READ, buffer, count)) return -EFAULT; - if ((midihdr = (struct midi_hdr *) kmalloc(sizeof(struct midi_hdr), GFP_KERNEL)) == NULL) + if ((midihdr = kmalloc(sizeof(struct midi_hdr), GFP_KERNEL)) == NULL) return -EINVAL; midihdr->bufferlength = count; @@ -490,7 +490,7 @@ int emu10k1_seq_midi_open(int dev, int mode, DPF(2, "emu10k1_seq_midi_open()\n"); - if ((midi_dev = (struct emu10k1_mididevice *) kmalloc(sizeof(*midi_dev), GFP_KERNEL)) == NULL) + if ((midi_dev = kmalloc(sizeof(*midi_dev), GFP_KERNEL)) == NULL) return -EINVAL; midi_dev->card = card; @@ -540,7 +540,7 @@ int emu10k1_seq_midi_out(int dev, unsigned char midi_byte) card = midi_devs[dev]->devc; - if ((midihdr = (struct midi_hdr *) kmalloc(sizeof(struct midi_hdr), GFP_KERNEL)) == NULL) + if ((midihdr = kmalloc(sizeof(struct midi_hdr), GFP_KERNEL)) == NULL) return -EINVAL; midihdr->bufferlength = 1; diff --git a/sound/oss/emu10k1/mixer.c b/sound/oss/emu10k1/mixer.c index cbcaaa34189ab..6419796c2ed7b 100644 --- a/sound/oss/emu10k1/mixer.c +++ b/sound/oss/emu10k1/mixer.c @@ -194,7 +194,7 @@ static int emu10k1_private_mixer(struct emu10k1_card *card, unsigned int cmd, un case SOUND_MIXER_PRIVATE3: - ctl = (struct mixer_private_ioctl *) kmalloc(sizeof(struct mixer_private_ioctl), GFP_KERNEL); + ctl = kmalloc(sizeof(struct mixer_private_ioctl), GFP_KERNEL); if (ctl == NULL) return -ENOMEM; diff --git a/sound/oss/hal2.c b/sound/oss/hal2.c index 784bdd707055e..d18286ccc14d2 100644 --- a/sound/oss/hal2.c +++ b/sound/oss/hal2.c @@ -1435,7 +1435,7 @@ static int hal2_init_card(struct hal2_card **phal2, struct hpc3_regs *hpc3) int ret = 0; struct hal2_card *hal2; - hal2 = (struct hal2_card *) kmalloc(sizeof(struct hal2_card), GFP_KERNEL); + hal2 = kmalloc(sizeof(struct hal2_card), GFP_KERNEL); if (!hal2) return -ENOMEM; memset(hal2, 0, sizeof(struct hal2_card)); diff --git a/sound/oss/mpu401.c b/sound/oss/mpu401.c index e962205419714..2796c0ef985fc 100644 --- a/sound/oss/mpu401.c +++ b/sound/oss/mpu401.c @@ -1023,7 +1023,7 @@ int attach_mpu401(struct address_info *hw_config, struct module *owner) devc->capabilities |= MPU_CAP_INTLG; /* Supports intelligent mode */ - mpu401_synth_operations[m] = (struct synth_operations *)kmalloc(sizeof(struct synth_operations), GFP_KERNEL); + mpu401_synth_operations[m] = kmalloc(sizeof(struct synth_operations), GFP_KERNEL); if (mpu401_synth_operations[m] == NULL) { diff --git a/sound/oss/opl3.c b/sound/oss/opl3.c index 4799bc77f9872..2e8cfa5481f28 100644 --- a/sound/oss/opl3.c +++ b/sound/oss/opl3.c @@ -166,7 +166,7 @@ int opl3_detect(int ioaddr, int *osp) return 0; } - devc = (struct opl_devinfo *)kmalloc(sizeof(*devc), GFP_KERNEL); + devc = kmalloc(sizeof(*devc), GFP_KERNEL); if (devc == NULL) { diff --git a/sound/oss/sb_common.c b/sound/oss/sb_common.c index 440537c72604f..07cbacf638246 100644 --- a/sound/oss/sb_common.c +++ b/sound/oss/sb_common.c @@ -625,7 +625,7 @@ int sb_dsp_detect(struct address_info *hw_config, int pci, int pciio, struct sb_ */ - detected_devc = (sb_devc *)kmalloc(sizeof(sb_devc), GFP_KERNEL); + detected_devc = kmalloc(sizeof(sb_devc), GFP_KERNEL); if (detected_devc == NULL) { printk(KERN_ERR "sb: Can't allocate memory for device information\n"); diff --git a/sound/oss/sb_midi.c b/sound/oss/sb_midi.c index 2e3bc045cabaf..8b796704e1120 100644 --- a/sound/oss/sb_midi.c +++ b/sound/oss/sb_midi.c @@ -173,7 +173,7 @@ void sb_dsp_midi_init(sb_devc * devc, struct module *owner) return; } std_midi_synth.midi_dev = devc->my_mididev = dev; - midi_devs[dev] = (struct midi_operations *)kmalloc(sizeof(struct midi_operations), GFP_KERNEL); + midi_devs[dev] = kmalloc(sizeof(struct midi_operations), GFP_KERNEL); if (midi_devs[dev] == NULL) { printk(KERN_WARNING "Sound Blaster: failed to allocate MIDI memory.\n"); @@ -189,7 +189,7 @@ void sb_dsp_midi_init(sb_devc * devc, struct module *owner) midi_devs[dev]->devc = devc; - midi_devs[dev]->converter = (struct synth_operations *)kmalloc(sizeof(struct synth_operations), GFP_KERNEL); + midi_devs[dev]->converter = kmalloc(sizeof(struct synth_operations), GFP_KERNEL); if (midi_devs[dev]->converter == NULL) { printk(KERN_WARNING "Sound Blaster: failed to allocate MIDI memory.\n"); diff --git a/sound/oss/sb_mixer.c b/sound/oss/sb_mixer.c index 238e2cf44b082..fad1a4f25ad6d 100644 --- a/sound/oss/sb_mixer.c +++ b/sound/oss/sb_mixer.c @@ -734,7 +734,7 @@ int sb_mixer_init(sb_devc * devc, struct module *owner) if (m == -1) return 0; - mixer_devs[m] = (struct mixer_operations *)kmalloc(sizeof(struct mixer_operations), GFP_KERNEL); + mixer_devs[m] = kmalloc(sizeof(struct mixer_operations), GFP_KERNEL); if (mixer_devs[m] == NULL) { printk(KERN_ERR "sb_mixer: Can't allocate memory\n"); diff --git a/sound/oss/v_midi.c b/sound/oss/v_midi.c index d952b2264da1d..103940fd5b4f4 100644 --- a/sound/oss/v_midi.c +++ b/sound/oss/v_midi.c @@ -183,7 +183,7 @@ static void __init attach_v_midi (struct address_info *hw_config) return; } - m=(struct vmidi_memory *)kmalloc(sizeof(struct vmidi_memory), GFP_KERNEL); + m = kmalloc(sizeof(struct vmidi_memory), GFP_KERNEL); if (m == NULL) { printk(KERN_WARNING "Loopback MIDI: Failed to allocate memory\n"); diff --git a/sound/oss/waveartist.c b/sound/oss/waveartist.c index c5bf363d32c2f..26a7c6af95bcc 100644 --- a/sound/oss/waveartist.c +++ b/sound/oss/waveartist.c @@ -1267,7 +1267,7 @@ static int __init waveartist_init(wavnc_info *devc) conf_printf2(dev_name, devc->hw.io_base, devc->hw.irq, devc->hw.dma, devc->hw.dma2); - portc = (wavnc_port_info *)kmalloc(sizeof(wavnc_port_info), GFP_KERNEL); + portc = kmalloc(sizeof(wavnc_port_info), GFP_KERNEL); if (portc == NULL) goto nomem; |