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-rw-r--r--tools/lib/thermal/Makefile4
-rw-r--r--tools/lib/thermal/sampling.c2
-rw-r--r--tools/sched_ext/scx_show_state.py2
-rw-r--r--tools/testing/selftests/bpf/progs/verifier_bits_iter.c32
-rw-r--r--tools/testing/selftests/ftrace/test.d/00basic/mount_options.tc101
-rw-r--r--tools/testing/selftests/ftrace/test.d/00basic/test_ownership.tc16
-rw-r--r--tools/testing/selftests/ftrace/test.d/functions25
-rw-r--r--tools/testing/selftests/kvm/Makefile10
-rw-r--r--tools/testing/selftests/kvm/guest_memfd_test.c2
-rw-r--r--tools/testing/selftests/kvm/lib/x86_64/vmx.c2
-rw-r--r--tools/testing/selftests/kvm/memslot_perf_test.c2
-rw-r--r--tools/testing/selftests/mm/hugetlb_dio.c12
-rw-r--r--tools/virtio/vringh_test.c2
13 files changed, 185 insertions, 27 deletions
diff --git a/tools/lib/thermal/Makefile b/tools/lib/thermal/Makefile
index 2d0d255fd0e1..8890fd57b110 100644
--- a/tools/lib/thermal/Makefile
+++ b/tools/lib/thermal/Makefile
@@ -121,7 +121,9 @@ all: fixdep
clean:
$(call QUIET_CLEAN, libthermal) $(RM) $(LIBTHERMAL_A) \
- *.o *~ *.a *.so *.so.$(VERSION) *.so.$(LIBTHERMAL_VERSION) .*.d .*.cmd LIBTHERMAL-CFLAGS $(LIBTHERMAL_PC)
+ *.o *~ *.a *.so *.so.$(VERSION) *.so.$(LIBTHERMAL_VERSION) \
+ .*.d .*.cmd LIBTHERMAL-CFLAGS $(LIBTHERMAL_PC) \
+ $(srctree)/tools/$(THERMAL_UAPI)
$(LIBTHERMAL_PC):
$(QUIET_GEN)sed -e "s|@PREFIX@|$(prefix)|" \
diff --git a/tools/lib/thermal/sampling.c b/tools/lib/thermal/sampling.c
index 70577423a9f0..f67c1f9ea1d7 100644
--- a/tools/lib/thermal/sampling.c
+++ b/tools/lib/thermal/sampling.c
@@ -16,6 +16,8 @@ static int handle_thermal_sample(struct nl_msg *n, void *arg)
struct thermal_handler_param *thp = arg;
struct thermal_handler *th = thp->th;
+ arg = thp->arg;
+
genlmsg_parse(nlh, 0, attrs, THERMAL_GENL_ATTR_MAX, NULL);
switch (genlhdr->cmd) {
diff --git a/tools/sched_ext/scx_show_state.py b/tools/sched_ext/scx_show_state.py
index 8bc626ede1c4..c4b3fdda9a0b 100644
--- a/tools/sched_ext/scx_show_state.py
+++ b/tools/sched_ext/scx_show_state.py
@@ -35,6 +35,6 @@ print(f'enabled : {read_static_key("__scx_ops_enabled")}')
print(f'switching_all : {read_int("scx_switching_all")}')
print(f'switched_all : {read_static_key("__scx_switched_all")}')
print(f'enable_state : {ops_state_str(enable_state)} ({enable_state})')
-print(f'bypass_depth : {read_atomic("scx_ops_bypass_depth")}')
+print(f'bypass_depth : {prog["scx_ops_bypass_depth"].value_()}')
print(f'nr_rejected : {read_atomic("scx_nr_rejected")}')
print(f'enable_seq : {read_atomic("scx_enable_seq")}')
diff --git a/tools/testing/selftests/bpf/progs/verifier_bits_iter.c b/tools/testing/selftests/bpf/progs/verifier_bits_iter.c
index 156cc278e2fc..7c881bca9af5 100644
--- a/tools/testing/selftests/bpf/progs/verifier_bits_iter.c
+++ b/tools/testing/selftests/bpf/progs/verifier_bits_iter.c
@@ -57,9 +57,15 @@ __description("null pointer")
__success __retval(0)
int null_pointer(void)
{
- int nr = 0;
+ struct bpf_iter_bits iter;
+ int err, nr = 0;
int *bit;
+ err = bpf_iter_bits_new(&iter, NULL, 1);
+ bpf_iter_bits_destroy(&iter);
+ if (err != -EINVAL)
+ return 1;
+
bpf_for_each(bits, bit, NULL, 1)
nr++;
return nr;
@@ -194,15 +200,33 @@ __description("bad words")
__success __retval(0)
int bad_words(void)
{
- void *bad_addr = (void *)(3UL << 30);
- int nr = 0;
+ void *bad_addr = (void *)-4095;
+ struct bpf_iter_bits iter;
+ volatile int nr;
int *bit;
+ int err;
+
+ err = bpf_iter_bits_new(&iter, bad_addr, 1);
+ bpf_iter_bits_destroy(&iter);
+ if (err != -EFAULT)
+ return 1;
+ nr = 0;
bpf_for_each(bits, bit, bad_addr, 1)
nr++;
+ if (nr != 0)
+ return 2;
+ err = bpf_iter_bits_new(&iter, bad_addr, 4);
+ bpf_iter_bits_destroy(&iter);
+ if (err != -EFAULT)
+ return 3;
+
+ nr = 0;
bpf_for_each(bits, bit, bad_addr, 4)
nr++;
+ if (nr != 0)
+ return 4;
- return nr;
+ return 0;
}
diff --git a/tools/testing/selftests/ftrace/test.d/00basic/mount_options.tc b/tools/testing/selftests/ftrace/test.d/00basic/mount_options.tc
new file mode 100644
index 000000000000..35e8d47d6072
--- /dev/null
+++ b/tools/testing/selftests/ftrace/test.d/00basic/mount_options.tc
@@ -0,0 +1,101 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+# description: Test tracefs GID mount option
+# requires: "[gid=<gid>]":README
+
+fail() {
+ local msg="$1"
+
+ echo "FAILED: $msg"
+ exit_fail
+}
+
+find_alternate_gid() {
+ local original_gid="$1"
+ tac /etc/group | grep -v ":$original_gid:" | head -1 | cut -d: -f3
+}
+
+mount_tracefs_with_options() {
+ local mount_point="$1"
+ local options="$2"
+
+ mount -t tracefs -o "$options" nodev "$mount_point"
+
+ setup
+}
+
+unmount_tracefs() {
+ local mount_point="$1"
+
+ # Need to make sure the mount isn't busy so that we can umount it
+ (cd $mount_point; finish_ftrace;)
+
+ cleanup
+}
+
+create_instance() {
+ local mount_point="$1"
+ local instance="$mount_point/instances/$(mktemp -u test-XXXXXX)"
+
+ mkdir "$instance"
+ echo "$instance"
+}
+
+remove_instance() {
+ local instance="$1"
+
+ rmdir "$instance"
+}
+
+check_gid() {
+ local mount_point="$1"
+ local expected_gid="$2"
+
+ echo "Checking permission group ..."
+
+ cd "$mount_point"
+
+ for file in "." "events" "events/sched" "events/sched/sched_switch" "events/sched/sched_switch/enable"; do
+ local gid=`stat -c "%g" $file`
+ if [ "$gid" -ne "$expected_gid" ]; then
+ cd - # Return to the previous working directory (tracefs root)
+ fail "$(realpath $file): Expected group $expected_gid; Got group $gid"
+ fi
+ done
+
+ cd - # Return to the previous working directory (tracefs root)
+}
+
+test_gid_mount_option() {
+ local mount_point=$(get_mount_point)
+ local mount_options=$(get_mnt_options "$mount_point")
+ local original_group=$(stat -c "%g" .)
+ local other_group=$(find_alternate_gid "$original_group")
+
+ # Set up mount options with new GID for testing
+ local new_options=`echo "$mount_options" | sed -e "s/gid=[0-9]*/gid=$other_group/"`
+ if [ "$new_options" = "$mount_options" ]; then
+ new_options="$mount_options,gid=$other_group"
+ mount_options="$mount_options,gid=$original_group"
+ fi
+
+ # Unmount existing tracefs instance and mount with new GID
+ unmount_tracefs "$mount_point"
+ mount_tracefs_with_options "$mount_point" "$new_options"
+
+ check_gid "$mount_point" "$other_group"
+
+ # Check that files created after the mount inherit the GID
+ local instance=$(create_instance "$mount_point")
+ check_gid "$instance" "$other_group"
+ remove_instance "$instance"
+
+ # Unmount and remount with the original GID
+ unmount_tracefs "$mount_point"
+ mount_tracefs_with_options "$mount_point" "$mount_options"
+ check_gid "$mount_point" "$original_group"
+}
+
+test_gid_mount_option
+
+exit 0
diff --git a/tools/testing/selftests/ftrace/test.d/00basic/test_ownership.tc b/tools/testing/selftests/ftrace/test.d/00basic/test_ownership.tc
index 094419e190c2..e71cc3ad0bdf 100644
--- a/tools/testing/selftests/ftrace/test.d/00basic/test_ownership.tc
+++ b/tools/testing/selftests/ftrace/test.d/00basic/test_ownership.tc
@@ -1,24 +1,14 @@
#!/bin/sh
# SPDX-License-Identifier: GPL-2.0
# description: Test file and directory ownership changes for eventfs
+# requires: "[gid=<gid>]":README
original_group=`stat -c "%g" .`
original_owner=`stat -c "%u" .`
-mount_point=`stat -c '%m' .`
+local mount_point=$(get_mount_point)
-# If stat -c '%m' does not work (e.g. busybox) or failed, try to use the
-# current working directory (which should be a tracefs) as the mount point.
-if [ ! -d "$mount_point" ]; then
- if mount | grep -qw $PWD ; then
- mount_point=$PWD
- else
- # If PWD doesn't work, that is an environmental problem.
- exit_unresolved
- fi
-fi
-
-mount_options=`mount | grep "$mount_point" | sed -e 's/.*(\(.*\)).*/\1/'`
+mount_options=$(get_mnt_options "$mount_point")
# find another owner and group that is not the original
other_group=`tac /etc/group | grep -v ":$original_group:" | head -1 | cut -d: -f3`
diff --git a/tools/testing/selftests/ftrace/test.d/functions b/tools/testing/selftests/ftrace/test.d/functions
index 779f3e62ec90..84d6a9c7ad67 100644
--- a/tools/testing/selftests/ftrace/test.d/functions
+++ b/tools/testing/selftests/ftrace/test.d/functions
@@ -193,3 +193,28 @@ ftrace_errlog_check() { # err-prefix command-with-error-pos-by-^ command-file
# " Command: " and "^\n" => 13
test $(expr 13 + $pos) -eq $N
}
+
+# Helper to get the tracefs mount point
+get_mount_point() {
+ local mount_point=`stat -c '%m' .`
+
+ # If stat -c '%m' does not work (e.g. busybox) or failed, try to use the
+ # current working directory (which should be a tracefs) as the mount point.
+ if [ ! -d "$mount_point" ]; then
+ if mount | grep -qw "$PWD"; then
+ mount_point=$PWD
+ else
+ # If PWD doesn't work, that is an environmental problem.
+ exit_unresolved
+ fi
+ fi
+ echo "$mount_point"
+}
+
+# Helper function to retrieve mount options for a given mount point
+get_mnt_options() {
+ local mnt_point="$1"
+ local opts=$(mount | grep -m1 "$mnt_point" | sed -e 's/.*(\(.*\)).*/\1/')
+
+ echo "$opts"
+} \ No newline at end of file
diff --git a/tools/testing/selftests/kvm/Makefile b/tools/testing/selftests/kvm/Makefile
index 156fbfae940f..48645a2e29da 100644
--- a/tools/testing/selftests/kvm/Makefile
+++ b/tools/testing/selftests/kvm/Makefile
@@ -241,16 +241,18 @@ CFLAGS += -Wall -Wstrict-prototypes -Wuninitialized -O2 -g -std=gnu99 \
-Wno-gnu-variable-sized-type-not-at-end -MD -MP -DCONFIG_64BIT \
-fno-builtin-memcmp -fno-builtin-memcpy \
-fno-builtin-memset -fno-builtin-strnlen \
- -fno-stack-protector -fno-PIE -I$(LINUX_TOOL_INCLUDE) \
- -I$(LINUX_TOOL_ARCH_INCLUDE) -I$(LINUX_HDR_PATH) -Iinclude \
- -I$(<D) -Iinclude/$(ARCH_DIR) -I ../rseq -I.. $(EXTRA_CFLAGS) \
- $(KHDR_INCLUDES)
+ -fno-stack-protector -fno-PIE -fno-strict-aliasing \
+ -I$(LINUX_TOOL_INCLUDE) -I$(LINUX_TOOL_ARCH_INCLUDE) \
+ -I$(LINUX_HDR_PATH) -Iinclude -I$(<D) -Iinclude/$(ARCH_DIR) \
+ -I ../rseq -I.. $(EXTRA_CFLAGS) $(KHDR_INCLUDES)
ifeq ($(ARCH),s390)
CFLAGS += -march=z10
endif
ifeq ($(ARCH),x86)
+ifeq ($(shell echo "void foo(void) { }" | $(CC) -march=x86-64-v2 -x c - -c -o /dev/null 2>/dev/null; echo "$$?"),0)
CFLAGS += -march=x86-64-v2
endif
+endif
ifeq ($(ARCH),arm64)
tools_dir := $(top_srcdir)/tools
arm64_tools_dir := $(tools_dir)/arch/arm64/tools/
diff --git a/tools/testing/selftests/kvm/guest_memfd_test.c b/tools/testing/selftests/kvm/guest_memfd_test.c
index ba0c8e996035..ce687f8d248f 100644
--- a/tools/testing/selftests/kvm/guest_memfd_test.c
+++ b/tools/testing/selftests/kvm/guest_memfd_test.c
@@ -134,7 +134,7 @@ static void test_create_guest_memfd_invalid(struct kvm_vm *vm)
size);
}
- for (flag = 0; flag; flag <<= 1) {
+ for (flag = BIT(0); flag; flag <<= 1) {
fd = __vm_create_guest_memfd(vm, page_size, flag);
TEST_ASSERT(fd == -1 && errno == EINVAL,
"guest_memfd() with flag '0x%lx' should fail with EINVAL",
diff --git a/tools/testing/selftests/kvm/lib/x86_64/vmx.c b/tools/testing/selftests/kvm/lib/x86_64/vmx.c
index 089b8925b6b2..d7ac122820bf 100644
--- a/tools/testing/selftests/kvm/lib/x86_64/vmx.c
+++ b/tools/testing/selftests/kvm/lib/x86_64/vmx.c
@@ -200,7 +200,7 @@ static inline void init_vmcs_control_fields(struct vmx_pages *vmx)
if (vmx->eptp_gpa) {
uint64_t ept_paddr;
struct eptPageTablePointer eptp = {
- .memory_type = VMX_BASIC_MEM_TYPE_WB,
+ .memory_type = X86_MEMTYPE_WB,
.page_walk_length = 3, /* + 1 */
.ad_enabled = ept_vpid_cap_supported(VMX_EPT_VPID_CAP_AD_BITS),
.address = vmx->eptp_gpa >> PAGE_SHIFT_4K,
diff --git a/tools/testing/selftests/kvm/memslot_perf_test.c b/tools/testing/selftests/kvm/memslot_perf_test.c
index 989ffe0d047f..e3711beff7f3 100644
--- a/tools/testing/selftests/kvm/memslot_perf_test.c
+++ b/tools/testing/selftests/kvm/memslot_perf_test.c
@@ -417,7 +417,7 @@ static bool _guest_should_exit(void)
*/
static noinline void host_perform_sync(struct sync_area *sync)
{
- alarm(2);
+ alarm(10);
atomic_store_explicit(&sync->sync_flag, true, memory_order_release);
while (atomic_load_explicit(&sync->sync_flag, memory_order_acquire))
diff --git a/tools/testing/selftests/mm/hugetlb_dio.c b/tools/testing/selftests/mm/hugetlb_dio.c
index f9ac20c657ec..432d5af15e66 100644
--- a/tools/testing/selftests/mm/hugetlb_dio.c
+++ b/tools/testing/selftests/mm/hugetlb_dio.c
@@ -94,8 +94,20 @@ void run_dio_using_hugetlb(unsigned int start_off, unsigned int end_off)
int main(void)
{
size_t pagesize = 0;
+ int fd;
ksft_print_header();
+
+ /* Open the file to DIO */
+ fd = open("/tmp", O_TMPFILE | O_RDWR | O_DIRECT, 0664);
+ if (fd < 0)
+ ksft_exit_skip("Unable to allocate file: %s\n", strerror(errno));
+ close(fd);
+
+ /* Check if huge pages are free */
+ if (!get_free_hugepages())
+ ksft_exit_skip("No free hugepage, exiting\n");
+
ksft_set_plan(4);
/* Get base page size */
diff --git a/tools/virtio/vringh_test.c b/tools/virtio/vringh_test.c
index 43d3a6aa1dcf..b9591223437a 100644
--- a/tools/virtio/vringh_test.c
+++ b/tools/virtio/vringh_test.c
@@ -519,7 +519,7 @@ int main(int argc, char *argv[])
errx(1, "virtqueue_add_sgs: %i", err);
__kmalloc_fake = NULL;
- /* Host retreives it. */
+ /* Host retrieves it. */
vringh_iov_init(&riov, host_riov, ARRAY_SIZE(host_riov));
vringh_iov_init(&wiov, host_wiov, ARRAY_SIZE(host_wiov));
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.