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linux-kselftest-fixes-6.6-rc4 

This kselftest fixes update for Linux 6.6-rc4 consists of one
 single fix to unmount tracefs when test created mount.
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Merge tag 'linux-kselftest-fixes-6.6-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest

Pull kselftest fix from Shuah Khan:
 "One single fix to unmount tracefs when test created mount"

* tag 'linux-kselftest-fixes-6.6-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
  selftests/user_events: Fix to unmount tracefs when test created mount
This commit is contained in:
Linus Torvalds 2023-09-26 09:03:11 -07:00
parent 84422aee15 8ed99af4a2
commit 50768a425b
5 changed files with 34 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
tools/testing/selftests/user_events/abi_test.c
View File

@ -91,16 +91,18 @@ static int reg_disable(long *enable, int bit)
FIXTURE(user) {
long check;
bool umount;
};
FIXTURE_SETUP(user) {
USER_EVENT_FIXTURE_SETUP(return);
USER_EVENT_FIXTURE_SETUP(return, self->umount);
change_event(false);
self->check = 0;
}
FIXTURE_TEARDOWN(user) {
USER_EVENT_FIXTURE_TEARDOWN(self->umount);
}
TEST_F(user, enablement) {

5
tools/testing/selftests/user_events/dyn_test.c
View File

@ -144,13 +144,16 @@ do { \
FIXTURE(user) {
int check;
bool umount;
};
FIXTURE_SETUP(user) {
USER_EVENT_FIXTURE_SETUP(return);
USER_EVENT_FIXTURE_SETUP(return, self->umount);
}
FIXTURE_TEARDOWN(user) {
USER_EVENT_FIXTURE_TEARDOWN(self->umount);
wait_for_delete();
}

5
tools/testing/selftests/user_events/ftrace_test.c
View File

@ -204,10 +204,11 @@ FIXTURE(user) {
int data_fd;
int enable_fd;
int check;
bool umount;
};
FIXTURE_SETUP(user) {
USER_EVENT_FIXTURE_SETUP(return);
USER_EVENT_FIXTURE_SETUP(return, self->umount);
self->status_fd = open(status_file, O_RDONLY);
ASSERT_NE(-1, self->status_fd);
@ -219,6 +220,8 @@ FIXTURE_SETUP(user) {
}
FIXTURE_TEARDOWN(user) {
USER_EVENT_FIXTURE_TEARDOWN(self->umount);
close(self->status_fd);
close(self->data_fd);

5
tools/testing/selftests/user_events/perf_test.c
View File

@ -111,16 +111,19 @@ static int clear(int *check)
FIXTURE(user) {
int data_fd;
int check;
bool umount;
};
FIXTURE_SETUP(user) {
USER_EVENT_FIXTURE_SETUP(return);
USER_EVENT_FIXTURE_SETUP(return, self->umount);
self->data_fd = open(data_file, O_RDWR);
ASSERT_NE(-1, self->data_fd);
}
FIXTURE_TEARDOWN(user) {
USER_EVENT_FIXTURE_TEARDOWN(self->umount);
close(self->data_fd);
if (clear(&self->check) != 0)

24
tools/testing/selftests/user_events/user_events_selftests.h
View File

@ -11,13 +11,19 @@
#include "../kselftest.h"
static inline bool tracefs_enabled(char **message, bool *fail)
static inline void tracefs_unmount(void)
{
umount("/sys/kernel/tracing");
}
static inline bool tracefs_enabled(char **message, bool *fail, bool *umount)
{
struct stat buf;
int ret;
*message = "";
*fail = false;
*umount = false;
/* Ensure tracefs is installed */
ret = stat("/sys/kernel/tracing", &buf);
@ -37,6 +43,8 @@ static inline bool tracefs_enabled(char **message, bool *fail)
return false;
}
*umount = true;
ret = stat("/sys/kernel/tracing/README", &buf);
}
@ -49,13 +57,14 @@ static inline bool tracefs_enabled(char **message, bool *fail)
return true;
}
static inline bool user_events_enabled(char **message, bool *fail)
static inline bool user_events_enabled(char **message, bool *fail, bool *umount)
{
struct stat buf;
int ret;
*message = "";
*fail = false;
*umount = false;
if (getuid() != 0) {
*message = "Must be run as root";
@ -63,7 +72,7 @@ static inline bool user_events_enabled(char **message, bool *fail)
return false;
}
if (!tracefs_enabled(message, fail))
if (!tracefs_enabled(message, fail, umount))
return false;
/* Ensure user_events is installed */
@ -85,10 +94,10 @@ static inline bool user_events_enabled(char **message, bool *fail)
return true;
}
#define USER_EVENT_FIXTURE_SETUP(statement) do { \
#define USER_EVENT_FIXTURE_SETUP(statement, umount) do { \
char *message; \
bool fail; \
if (!user_events_enabled(&message, &fail)) { \
if (!user_events_enabled(&message, &fail, &(umount))) { \
if (fail) { \
TH_LOG("Setup failed due to: %s", message); \
ASSERT_FALSE(fail); \
@ -97,4 +106,9 @@ static inline bool user_events_enabled(char **message, bool *fail)
} \
} while (0)
#define USER_EVENT_FIXTURE_TEARDOWN(umount) do { \
if ((umount)) \
tracefs_unmount(); \
} while (0)
#endif /* _USER_EVENTS_SELFTESTS_H */