Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Cross-merge networking fixes after downstream PR.

Conflicts:

net/mac80211/rx.c
  91535613b609 ("wifi: mac80211: don't drop all unprotected public action frames")
  6c02fab72429 ("wifi: mac80211: split ieee80211_drop_unencrypted_mgmt() return value")

Adjacent changes:

drivers/net/ethernet/apm/xgene/xgene_enet_main.c
  61471264c018 ("net: ethernet: apm: Convert to platform remove callback returning void")
  d2ca43f30611 ("net: xgene: Fix unused xgene_enet_of_match warning for !CONFIG_OF")

net/vmw_vsock/virtio_transport.c
  64c99d2d6ada ("vsock/virtio: support to send non-linear skb")
  53b08c498515 ("vsock/virtio: initialize the_virtio_vsock before using VQs")

Signed-off-by: Jakub Kicinski <kuba@kernel.org>

12 files changed, 134 insertions, 31 deletions

diff --git a/tools/build/feature/test-llvm.cpp b/tools/build/feature/test-llvm.cpp
new file mode 100644
index 00000000000000..88a3d1bdd9f697
--- /dev/null
+++ b/tools/build/feature/test-llvm.cpp
@@ -0,0 +1,14 @@
+// SPDX-License-Identifier: GPL-2.0
+#include "llvm/Support/ManagedStatic.h"
+#include "llvm/Support/raw_ostream.h"
+#define NUM_VERSION (((LLVM_VERSION_MAJOR) << 16) + (LLVM_VERSION_MINOR << 8) + LLVM_VERSION_PATCH)
+
+#if NUM_VERSION < 0x030900
+# error "LLVM version too low"
+#endif
+int main()
+{
+	llvm::errs() << "Hello World!\n";
+	llvm::llvm_shutdown();
+	return 0;
+}
diff --git a/tools/include/linux/rwsem.h b/tools/include/linux/rwsem.h
new file mode 100644
index 00000000000000..83971b3cbfced8
--- /dev/null
+++ b/tools/include/linux/rwsem.h
@@ -0,0 +1,40 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+#ifndef _TOOLS__RWSEM_H
+#define _TOOLS__RWSEM_H
+
+#include <pthread.h>
+
+struct rw_semaphore {
+	pthread_rwlock_t lock;
+};
+
+static inline int init_rwsem(struct rw_semaphore *sem)
+{
+	return pthread_rwlock_init(&sem->lock, NULL);
+}
+
+static inline int exit_rwsem(struct rw_semaphore *sem)
+{
+	return pthread_rwlock_destroy(&sem->lock);
+}
+
+static inline int down_read(struct rw_semaphore *sem)
+{
+	return pthread_rwlock_rdlock(&sem->lock);
+}
+
+static inline int up_read(struct rw_semaphore *sem)
+{
+	return pthread_rwlock_unlock(&sem->lock);
+}
+
+static inline int down_write(struct rw_semaphore *sem)
+{
+	return pthread_rwlock_wrlock(&sem->lock);
+}
+
+static inline int up_write(struct rw_semaphore *sem)
+{
+	return pthread_rwlock_unlock(&sem->lock);
+}
+#endif /* _TOOLS_RWSEM_H */
diff --git a/tools/include/nolibc/arch-i386.h b/tools/include/nolibc/arch-i386.h
index 64415b9fac77f9..28c26a00a7625f 100644
--- a/tools/include/nolibc/arch-i386.h
+++ b/tools/include/nolibc/arch-i386.h
@@ -167,7 +167,9 @@ void __attribute__((weak, noreturn, optimize("Os", "omit-frame-pointer"))) __no_
 	__asm__ volatile (
 		"xor  %ebp, %ebp\n"       /* zero the stack frame                                */
 		"mov  %esp, %eax\n"       /* save stack pointer to %eax, as arg1 of _start_c     */
-		"and  $-16, %esp\n"       /* last pushed argument must be 16-byte aligned        */
+		"add  $12, %esp\n"        /* avoid over-estimating after the 'and' & 'sub' below */
+		"and  $-16, %esp\n"       /* the %esp must be 16-byte aligned on 'call'          */
+		"sub  $12, %esp\n"        /* sub 12 to keep it aligned after the push %eax       */
 		"push %eax\n"             /* push arg1 on stack to support plain stack modes too */
 		"call _start_c\n"         /* transfer to c runtime                               */
 		"hlt\n"                   /* ensure it does not return                           */
diff --git a/tools/include/nolibc/crt.h b/tools/include/nolibc/crt.h
index a5f33fef167204..a05655b4ce1d7f 100644
--- a/tools/include/nolibc/crt.h
+++ b/tools/include/nolibc/crt.h
@@ -13,6 +13,7 @@ const unsigned long *_auxv __attribute__((weak));
 static void __stack_chk_init(void);
 static void exit(int);
 
+__attribute__((weak))
 void _start_c(long *sp)
 {
 	long argc;
diff --git a/tools/perf/dlfilters/dlfilter-test-api-v0.c b/tools/perf/dlfilters/dlfilter-test-api-v0.c
index 72f263d491211f..4083b1abeaabe6 100644
--- a/tools/perf/dlfilters/dlfilter-test-api-v0.c
+++ b/tools/perf/dlfilters/dlfilter-test-api-v0.c
@@ -289,6 +289,15 @@ static int check_attr(void *ctx)
 	return 0;
 }
 
+static int check_object_code(void *ctx, const struct perf_dlfilter_sample *sample)
+{
+	__u8 buf[15];
+
+	CHECK(perf_dlfilter_fns.object_code(ctx, sample->ip, buf, sizeof(buf)) > 0);
+
+	return 0;
+}
+
 static int do_checks(void *data, const struct perf_dlfilter_sample *sample, void *ctx, bool early)
 {
 	struct filter_data *d = data;
@@ -314,7 +323,8 @@ static int do_checks(void *data, const struct perf_dlfilter_sample *sample, void
 	if (early && !d->do_early)
 		return 0;
 
-	if (check_al(ctx) || check_addr_al(ctx) || check_address_al(ctx, sample))
+	if (check_al(ctx) || check_addr_al(ctx) || check_address_al(ctx, sample) ||
+	    check_object_code(ctx, sample))
 		return -1;
 
 	if (early)
diff --git a/tools/perf/dlfilters/dlfilter-test-api-v2.c b/tools/perf/dlfilters/dlfilter-test-api-v2.c
index 38e593d92920c7..32ff619e881caa 100644
--- a/tools/perf/dlfilters/dlfilter-test-api-v2.c
+++ b/tools/perf/dlfilters/dlfilter-test-api-v2.c
@@ -308,6 +308,15 @@ static int check_attr(void *ctx)
 	return 0;
 }
 
+static int check_object_code(void *ctx, const struct perf_dlfilter_sample *sample)
+{
+	__u8 buf[15];
+
+	CHECK(perf_dlfilter_fns.object_code(ctx, sample->ip, buf, sizeof(buf)) > 0);
+
+	return 0;
+}
+
 static int do_checks(void *data, const struct perf_dlfilter_sample *sample, void *ctx, bool early)
 {
 	struct filter_data *d = data;
@@ -333,7 +342,8 @@ static int do_checks(void *data, const struct perf_dlfilter_sample *sample, void
 	if (early && !d->do_early)
 		return 0;
 
-	if (check_al(ctx) || check_addr_al(ctx) || check_address_al(ctx, sample))
+	if (check_al(ctx) || check_addr_al(ctx) || check_address_al(ctx, sample) ||
+	    check_object_code(ctx, sample))
 		return -1;
 
 	if (early)
diff --git a/tools/perf/util/dlfilter.c b/tools/perf/util/dlfilter.c
index 1dbf27822ee28f..4a1dc21b0450bc 100644
--- a/tools/perf/util/dlfilter.c
+++ b/tools/perf/util/dlfilter.c
@@ -282,13 +282,21 @@ static struct perf_event_attr *dlfilter__attr(void *ctx)
 	return &d->evsel->core.attr;
 }
 
+static __s32 code_read(__u64 ip, struct map *map, struct machine *machine, void *buf, __u32 len)
+{
+	u64 offset = map__map_ip(map, ip);
+
+	if (ip + len >= map__end(map))
+		len = map__end(map) - ip;
+
+	return dso__data_read_offset(map__dso(map), machine, offset, buf, len);
+}
+
 static __s32 dlfilter__object_code(void *ctx, __u64 ip, void *buf, __u32 len)
 {
 	struct dlfilter *d = (struct dlfilter *)ctx;
 	struct addr_location *al;
 	struct addr_location a;
-	struct map *map;
-	u64 offset;
 	__s32 ret;
 
 	if (!d->ctx_valid)
@@ -298,27 +306,17 @@ static __s32 dlfilter__object_code(void *ctx, __u64 ip, void *buf, __u32 len)
 	if (!al)
 		return -1;
 
-	map = al->map;
-
-	if (map && ip >= map__start(map) && ip < map__end(map) &&
+	if (al->map && ip >= map__start(al->map) && ip < map__end(al->map) &&
 	    machine__kernel_ip(d->machine, ip) == machine__kernel_ip(d->machine, d->sample->ip))
-		goto have_map;
+		return code_read(ip, al->map, d->machine, buf, len);
 
 	addr_location__init(&a);
+
 	thread__find_map_fb(al->thread, d->sample->cpumode, ip, &a);
-	if (!a.map) {
-		ret = -1;
-		goto out;
-	}
+	ret = a.map ? code_read(ip, a.map, d->machine, buf, len) : -1;
 
-	map = a.map;
-have_map:
-	offset = map__map_ip(map, ip);
-	if (ip + len >= map__end(map))
-		len = map__end(map) - ip;
-	ret = dso__data_read_offset(map__dso(map), d->machine, offset, buf, len);
-out:
 	addr_location__exit(&a);
+
 	return ret;
 }
 
diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c
index 8de6f39abd1b6d..d515ba8a0e160c 100644
--- a/tools/perf/util/pmu.c
+++ b/tools/perf/util/pmu.c
@@ -295,7 +295,7 @@ static int perf_pmu__parse_scale(struct perf_pmu *pmu, struct perf_pmu_alias *al
 	len = perf_pmu__event_source_devices_scnprintf(path, sizeof(path));
 	if (!len)
 		return 0;
-	scnprintf(path + len, sizeof(path) - len, "%s/%s.scale", pmu->name, alias->name);
+	scnprintf(path + len, sizeof(path) - len, "%s/events/%s.scale", pmu->name, alias->name);
 
 	fd = open(path, O_RDONLY);
 	if (fd == -1)
@@ -330,7 +330,7 @@ static int perf_pmu__parse_unit(struct perf_pmu *pmu, struct perf_pmu_alias *ali
 	len = perf_pmu__event_source_devices_scnprintf(path, sizeof(path));
 	if (!len)
 		return 0;
-	scnprintf(path + len, sizeof(path) - len, "%s/%s.unit", pmu->name, alias->name);
+	scnprintf(path + len, sizeof(path) - len, "%s/events/%s.unit", pmu->name, alias->name);
 
 	fd = open(path, O_RDONLY);
 	if (fd == -1)
@@ -364,7 +364,7 @@ perf_pmu__parse_per_pkg(struct perf_pmu *pmu, struct perf_pmu_alias *alias)
 	len = perf_pmu__event_source_devices_scnprintf(path, sizeof(path));
 	if (!len)
 		return 0;
-	scnprintf(path + len, sizeof(path) - len, "%s/%s.per-pkg", pmu->name, alias->name);
+	scnprintf(path + len, sizeof(path) - len, "%s/events/%s.per-pkg", pmu->name, alias->name);
 
 	fd = open(path, O_RDONLY);
 	if (fd == -1)
@@ -385,7 +385,7 @@ static int perf_pmu__parse_snapshot(struct perf_pmu *pmu, struct perf_pmu_alias
 	len = perf_pmu__event_source_devices_scnprintf(path, sizeof(path));
 	if (!len)
 		return 0;
-	scnprintf(path + len, sizeof(path) - len, "%s/%s.snapshot", pmu->name, alias->name);
+	scnprintf(path + len, sizeof(path) - len, "%s/events/%s.snapshot", pmu->name, alias->name);
 
 	fd = open(path, O_RDONLY);
 	if (fd == -1)
diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_non_uniq_symbol.tc b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_non_uniq_symbol.tc
new file mode 100644
index 00000000000000..bc9514428dbaf1
--- /dev/null
+++ b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_non_uniq_symbol.tc
@@ -0,0 +1,13 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+# description: Test failure of registering kprobe on non unique symbol
+# requires: kprobe_events
+
+SYMBOL='name_show'
+
+# We skip this test on kernel where SYMBOL is unique or does not exist.
+if [ "$(grep -c -E "[[:alnum:]]+ t ${SYMBOL}" /proc/kallsyms)" -le '1' ]; then
+	exit_unsupported
+fi
+
+! echo "p:test_non_unique ${SYMBOL}" > kprobe_events
diff --git a/tools/testing/selftests/mm/mremap_dontunmap.c b/tools/testing/selftests/mm/mremap_dontunmap.c
index ca2359835e751b..a06e73ec856823 100644
--- a/tools/testing/selftests/mm/mremap_dontunmap.c
+++ b/tools/testing/selftests/mm/mremap_dontunmap.c
@@ -7,6 +7,7 @@
  */
 #define _GNU_SOURCE
 #include <sys/mman.h>
+#include <linux/mman.h>
 #include <errno.h>
 #include <stdio.h>
 #include <stdlib.h>
diff --git a/tools/testing/selftests/user_events/abi_test.c b/tools/testing/selftests/user_events/abi_test.c
index 8202f1327c3961..f5575ef2007cef 100644
--- a/tools/testing/selftests/user_events/abi_test.c
+++ b/tools/testing/selftests/user_events/abi_test.c
@@ -47,7 +47,7 @@ static int change_event(bool enable)
 	return ret;
 }
 
-static int reg_enable(long *enable, int size, int bit)
+static int reg_enable(void *enable, int size, int bit)
 {
 	struct user_reg reg = {0};
 	int fd = open(data_file, O_RDWR);
@@ -69,7 +69,7 @@ static int reg_enable(long *enable, int size, int bit)
 	return ret;
 }
 
-static int reg_disable(long *enable, int bit)
+static int reg_disable(void *enable, int bit)
 {
 	struct user_unreg reg = {0};
 	int fd = open(data_file, O_RDWR);
@@ -90,7 +90,8 @@ static int reg_disable(long *enable, int bit)
 }
 
 FIXTURE(user) {
-	long check;
+	int check;
+	long check_long;
 	bool umount;
 };
 
@@ -99,6 +100,7 @@ FIXTURE_SETUP(user) {
 
 	change_event(false);
 	self->check = 0;
+	self->check_long = 0;
 }
 
 FIXTURE_TEARDOWN(user) {
@@ -136,9 +138,9 @@ TEST_F(user, bit_sizes) {
 
 #if BITS_PER_LONG == 8
 	/* Allow 0-64 bits for 64-bit */
-	ASSERT_EQ(0, reg_enable(&self->check, sizeof(long), 63));
-	ASSERT_NE(0, reg_enable(&self->check, sizeof(long), 64));
-	ASSERT_EQ(0, reg_disable(&self->check, 63));
+	ASSERT_EQ(0, reg_enable(&self->check_long, sizeof(long), 63));
+	ASSERT_NE(0, reg_enable(&self->check_long, sizeof(long), 64));
+	ASSERT_EQ(0, reg_disable(&self->check_long, 63));
 #endif
 
 	/* Disallowed sizes (everything beside 4 and 8) */
@@ -200,7 +202,7 @@ static int clone_check(void *check)
 	for (i = 0; i < 10; ++i) {
 		usleep(100000);
 
-		if (*(long *)check)
+		if (*(int *)check)
 			return 0;
 	}
 
diff --git a/tools/virtio/linux/dma-mapping.h b/tools/virtio/linux/dma-mapping.h
index 834a90bd3270e5..822ecaa8e4df26 100644
--- a/tools/virtio/linux/dma-mapping.h
+++ b/tools/virtio/linux/dma-mapping.h
@@ -24,11 +24,23 @@ enum dma_data_direction {
 #define dma_map_page(d, p, o, s, dir) (page_to_phys(p) + (o))
 
 #define dma_map_single(d, p, s, dir) (virt_to_phys(p))
+#define dma_map_single_attrs(d, p, s, dir, a) (virt_to_phys(p))
 #define dma_mapping_error(...) (0)
 
 #define dma_unmap_single(d, a, s, r) do { (void)(d); (void)(a); (void)(s); (void)(r); } while (0)
 #define dma_unmap_page(d, a, s, r) do { (void)(d); (void)(a); (void)(s); (void)(r); } while (0)
 
+#define sg_dma_address(sg) (0)
+#define dma_need_sync(v, a) (0)
+#define dma_unmap_single_attrs(d, a, s, r, t) do { \
+	(void)(d); (void)(a); (void)(s); (void)(r); (void)(t); \
+} while (0)
+#define dma_sync_single_range_for_cpu(d, a, o, s, r) do { \
+	(void)(d); (void)(a); (void)(o); (void)(s); (void)(r); \
+} while (0)
+#define dma_sync_single_range_for_device(d, a, o, s, r) do { \
+	(void)(d); (void)(a); (void)(o); (void)(s); (void)(r); \
+} while (0)
 #define dma_max_mapping_size(...) SIZE_MAX
 
 #endif