2022-01-31 11:01:53

by Vincenzo Frascino

[permalink] [raw]
Subject: [PATCH v3] kselftest: Fix vdso_test_abi return status

vdso_test_abi contains a batch of tests that verify the validity of the
vDSO ABI.

When a vDSO symbol is not found the relevant test is skipped reporting
KSFT_SKIP. All the tests return values are then added in a single
variable which is checked to verify failures. This approach can have
side effects which result in reporting the wrong kselftest exit status.

Fix vdso_test_abi verifying the return code of each test separately.

Cc: Shuah Khan <[email protected]>
Cc: Andy Lutomirski <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Reported-by: Cristian Marussi <[email protected]>
Signed-off-by: Vincenzo Frascino <[email protected]>
---
tools/testing/selftests/vDSO/vdso_test_abi.c | 135 +++++++++----------
1 file changed, 62 insertions(+), 73 deletions(-)

diff --git a/tools/testing/selftests/vDSO/vdso_test_abi.c b/tools/testing/selftests/vDSO/vdso_test_abi.c
index 3d603f1394af..d670d5b2a626 100644
--- a/tools/testing/selftests/vDSO/vdso_test_abi.c
+++ b/tools/testing/selftests/vDSO/vdso_test_abi.c
@@ -33,110 +33,114 @@ typedef long (*vdso_clock_gettime_t)(clockid_t clk_id, struct timespec *ts);
typedef long (*vdso_clock_getres_t)(clockid_t clk_id, struct timespec *ts);
typedef time_t (*vdso_time_t)(time_t *t);

-static int vdso_test_gettimeofday(void)
+#define VDSO_TEST_PASS_MSG() "\n%s(): PASS\n", __func__
+#define VDSO_TEST_FAIL_MSG(x) "\n%s(): %s FAIL\n", __func__, x
+#define VDSO_TEST_SKIP_MSG(x) "\n%s(): SKIP: Could not find %s\n", __func__, x
+
+static void vdso_test_gettimeofday(void)
{
/* Find gettimeofday. */
vdso_gettimeofday_t vdso_gettimeofday =
(vdso_gettimeofday_t)vdso_sym(version, name[0]);

if (!vdso_gettimeofday) {
- printf("Could not find %s\n", name[0]);
- return KSFT_SKIP;
+ ksft_test_result_skip(VDSO_TEST_SKIP_MSG(name[0]));
+ return;
}

struct timeval tv;
long ret = vdso_gettimeofday(&tv, 0);

if (ret == 0) {
- printf("The time is %lld.%06lld\n",
- (long long)tv.tv_sec, (long long)tv.tv_usec);
+ ksft_print_msg("The time is %lld.%06lld\n",
+ (long long)tv.tv_sec, (long long)tv.tv_usec);
+ ksft_test_result_pass(VDSO_TEST_PASS_MSG());
} else {
- printf("%s failed\n", name[0]);
- return KSFT_FAIL;
+ ksft_test_result_fail(VDSO_TEST_FAIL_MSG(name[0]));
}
-
- return KSFT_PASS;
}

-static int vdso_test_clock_gettime(clockid_t clk_id)
+static void vdso_test_clock_gettime(clockid_t clk_id)
{
/* Find clock_gettime. */
vdso_clock_gettime_t vdso_clock_gettime =
(vdso_clock_gettime_t)vdso_sym(version, name[1]);

if (!vdso_clock_gettime) {
- printf("Could not find %s\n", name[1]);
- return KSFT_SKIP;
+ ksft_test_result_skip(VDSO_TEST_SKIP_MSG(name[1]));
+ return;
}

struct timespec ts;
long ret = vdso_clock_gettime(clk_id, &ts);

if (ret == 0) {
- printf("The time is %lld.%06lld\n",
- (long long)ts.tv_sec, (long long)ts.tv_nsec);
+ ksft_print_msg("The time is %lld.%06lld\n",
+ (long long)ts.tv_sec, (long long)ts.tv_nsec);
+ ksft_test_result_pass(VDSO_TEST_PASS_MSG());;
} else {
- printf("%s failed\n", name[1]);
- return KSFT_FAIL;
+ ksft_test_result_fail(VDSO_TEST_FAIL_MSG(name[1]));
}
-
- return KSFT_PASS;
}

-static int vdso_test_time(void)
+static void vdso_test_time(void)
{
/* Find time. */
vdso_time_t vdso_time =
(vdso_time_t)vdso_sym(version, name[2]);

if (!vdso_time) {
- printf("Could not find %s\n", name[2]);
- return KSFT_SKIP;
+ ksft_test_result_skip(VDSO_TEST_SKIP_MSG(name[2]));
+ return;
}

long ret = vdso_time(NULL);

if (ret > 0) {
- printf("The time in hours since January 1, 1970 is %lld\n",
+ ksft_print_msg("The time in hours since January 1, 1970 is %lld\n",
(long long)(ret / 3600));
+ ksft_test_result_pass(VDSO_TEST_PASS_MSG());
} else {
- printf("%s failed\n", name[2]);
- return KSFT_FAIL;
+ ksft_test_result_fail(VDSO_TEST_FAIL_MSG(name[2]));
}
-
- return KSFT_PASS;
}

-static int vdso_test_clock_getres(clockid_t clk_id)
+static void vdso_test_clock_getres(clockid_t clk_id)
{
+ int clock_getres_fail = 0;
+
/* Find clock_getres. */
vdso_clock_getres_t vdso_clock_getres =
(vdso_clock_getres_t)vdso_sym(version, name[3]);

if (!vdso_clock_getres) {
- printf("Could not find %s\n", name[3]);
- return KSFT_SKIP;
+ ksft_test_result_skip(VDSO_TEST_SKIP_MSG(name[3]));
+ return;
}

struct timespec ts, sys_ts;
long ret = vdso_clock_getres(clk_id, &ts);

if (ret == 0) {
- printf("The resolution is %lld %lld\n",
- (long long)ts.tv_sec, (long long)ts.tv_nsec);
+ ksft_print_msg("The vdso resolution is %lld %lld\n",
+ (long long)ts.tv_sec, (long long)ts.tv_nsec);
} else {
- printf("%s failed\n", name[3]);
- return KSFT_FAIL;
+ clock_getres_fail++;
}

ret = syscall(SYS_clock_getres, clk_id, &sys_ts);

- if ((sys_ts.tv_sec != ts.tv_sec) || (sys_ts.tv_nsec != ts.tv_nsec)) {
- printf("%s failed\n", name[3]);
- return KSFT_FAIL;
- }
+ ksft_print_msg("The syscall resolution is %lld %lld\n",
+ (long long)sys_ts.tv_sec, (long long)sys_ts.tv_nsec);

- return KSFT_PASS;
+ if ((sys_ts.tv_sec != ts.tv_sec) || (sys_ts.tv_nsec != ts.tv_nsec))
+ clock_getres_fail++;
+
+ if (clock_getres_fail > 0) {
+ ksft_test_result_fail(VDSO_TEST_FAIL_MSG(name[3]));
+ } else {
+ ksft_test_result_pass(VDSO_TEST_PASS_MSG());
+ }
}

const char *vdso_clock_name[12] = {
@@ -158,36 +162,23 @@ const char *vdso_clock_name[12] = {
* This function calls vdso_test_clock_gettime and vdso_test_clock_getres
* with different values for clock_id.
*/
-static inline int vdso_test_clock(clockid_t clock_id)
+static inline void vdso_test_clock(clockid_t clock_id)
{
- int ret0, ret1;
-
- ret0 = vdso_test_clock_gettime(clock_id);
- /* A skipped test is considered passed */
- if (ret0 == KSFT_SKIP)
- ret0 = KSFT_PASS;
-
- ret1 = vdso_test_clock_getres(clock_id);
- /* A skipped test is considered passed */
- if (ret1 == KSFT_SKIP)
- ret1 = KSFT_PASS;
+ ksft_print_msg("\nclock_id: %s\n", vdso_clock_name[clock_id]);

- ret0 += ret1;
+ vdso_test_clock_gettime(clock_id);

- printf("clock_id: %s", vdso_clock_name[clock_id]);
-
- if (ret0 > 0)
- printf(" [FAIL]\n");
- else
- printf(" [PASS]\n");
-
- return ret0;
+ vdso_test_clock_getres(clock_id);
}

+#define VDSO_TEST_PLAN 16
+
int main(int argc, char **argv)
{
unsigned long sysinfo_ehdr = getauxval(AT_SYSINFO_EHDR);
- int ret;
+
+ ksft_print_header();
+ ksft_set_plan(VDSO_TEST_PLAN);

if (!sysinfo_ehdr) {
printf("AT_SYSINFO_EHDR is not present!\n");
@@ -201,44 +192,42 @@ int main(int argc, char **argv)

vdso_init_from_sysinfo_ehdr(getauxval(AT_SYSINFO_EHDR));

- ret = vdso_test_gettimeofday();
+ vdso_test_gettimeofday();

#if _POSIX_TIMERS > 0

#ifdef CLOCK_REALTIME
- ret += vdso_test_clock(CLOCK_REALTIME);
+ vdso_test_clock(CLOCK_REALTIME);
#endif

#ifdef CLOCK_BOOTTIME
- ret += vdso_test_clock(CLOCK_BOOTTIME);
+ vdso_test_clock(CLOCK_BOOTTIME);
#endif

#ifdef CLOCK_TAI
- ret += vdso_test_clock(CLOCK_TAI);
+ vdso_test_clock(CLOCK_TAI);
#endif

#ifdef CLOCK_REALTIME_COARSE
- ret += vdso_test_clock(CLOCK_REALTIME_COARSE);
+ vdso_test_clock(CLOCK_REALTIME_COARSE);
#endif

#ifdef CLOCK_MONOTONIC
- ret += vdso_test_clock(CLOCK_MONOTONIC);
+ vdso_test_clock(CLOCK_MONOTONIC);
#endif

#ifdef CLOCK_MONOTONIC_RAW
- ret += vdso_test_clock(CLOCK_MONOTONIC_RAW);
+ vdso_test_clock(CLOCK_MONOTONIC_RAW);
#endif

#ifdef CLOCK_MONOTONIC_COARSE
- ret += vdso_test_clock(CLOCK_MONOTONIC_COARSE);
+ vdso_test_clock(CLOCK_MONOTONIC_COARSE);
#endif

#endif

- ret += vdso_test_time();
-
- if (ret > 0)
- return KSFT_FAIL;
+ vdso_test_time();

- return KSFT_PASS;
+ ksft_print_cnts();
+ return ksft_get_fail_cnt() == 0 ? KSFT_PASS : KSFT_FAIL;
}
--
2.34.1


2022-01-31 11:10:44

by Cristian Marussi

[permalink] [raw]
Subject: Re: [PATCH v3] kselftest: Fix vdso_test_abi return status

On Fri, Jan 28, 2022 at 01:07:01PM +0000, Vincenzo Frascino wrote:
> vdso_test_abi contains a batch of tests that verify the validity of the
> vDSO ABI.
>
> When a vDSO symbol is not found the relevant test is skipped reporting
> KSFT_SKIP. All the tests return values are then added in a single
> variable which is checked to verify failures. This approach can have
> side effects which result in reporting the wrong kselftest exit status.
>
> Fix vdso_test_abi verifying the return code of each test separately.
>
> Cc: Shuah Khan <[email protected]>
> Cc: Andy Lutomirski <[email protected]>
> Cc: Thomas Gleixner <[email protected]>
> Reported-by: Cristian Marussi <[email protected]>
> Signed-off-by: Vincenzo Frascino <[email protected]>
> ---

Hi,

LGTM.

Tested-by: Cristian Marussi <[email protected]>

Thanks,
Cristian

> tools/testing/selftests/vDSO/vdso_test_abi.c | 135 +++++++++----------
> 1 file changed, 62 insertions(+), 73 deletions(-)
>
> diff --git a/tools/testing/selftests/vDSO/vdso_test_abi.c b/tools/testing/selftests/vDSO/vdso_test_abi.c
> index 3d603f1394af..d670d5b2a626 100644
> --- a/tools/testing/selftests/vDSO/vdso_test_abi.c
> +++ b/tools/testing/selftests/vDSO/vdso_test_abi.c
> @@ -33,110 +33,114 @@ typedef long (*vdso_clock_gettime_t)(clockid_t clk_id, struct timespec *ts);
> typedef long (*vdso_clock_getres_t)(clockid_t clk_id, struct timespec *ts);
> typedef time_t (*vdso_time_t)(time_t *t);
>
> -static int vdso_test_gettimeofday(void)
> +#define VDSO_TEST_PASS_MSG() "\n%s(): PASS\n", __func__
> +#define VDSO_TEST_FAIL_MSG(x) "\n%s(): %s FAIL\n", __func__, x
> +#define VDSO_TEST_SKIP_MSG(x) "\n%s(): SKIP: Could not find %s\n", __func__, x
> +
> +static void vdso_test_gettimeofday(void)
> {
> /* Find gettimeofday. */
> vdso_gettimeofday_t vdso_gettimeofday =
> (vdso_gettimeofday_t)vdso_sym(version, name[0]);
>
> if (!vdso_gettimeofday) {
> - printf("Could not find %s\n", name[0]);
> - return KSFT_SKIP;
> + ksft_test_result_skip(VDSO_TEST_SKIP_MSG(name[0]));
> + return;
> }
>
> struct timeval tv;
> long ret = vdso_gettimeofday(&tv, 0);
>
> if (ret == 0) {
> - printf("The time is %lld.%06lld\n",
> - (long long)tv.tv_sec, (long long)tv.tv_usec);
> + ksft_print_msg("The time is %lld.%06lld\n",
> + (long long)tv.tv_sec, (long long)tv.tv_usec);
> + ksft_test_result_pass(VDSO_TEST_PASS_MSG());
> } else {
> - printf("%s failed\n", name[0]);
> - return KSFT_FAIL;
> + ksft_test_result_fail(VDSO_TEST_FAIL_MSG(name[0]));
> }
> -
> - return KSFT_PASS;
> }
>
> -static int vdso_test_clock_gettime(clockid_t clk_id)
> +static void vdso_test_clock_gettime(clockid_t clk_id)
> {
> /* Find clock_gettime. */
> vdso_clock_gettime_t vdso_clock_gettime =
> (vdso_clock_gettime_t)vdso_sym(version, name[1]);
>
> if (!vdso_clock_gettime) {
> - printf("Could not find %s\n", name[1]);
> - return KSFT_SKIP;
> + ksft_test_result_skip(VDSO_TEST_SKIP_MSG(name[1]));
> + return;
> }
>
> struct timespec ts;
> long ret = vdso_clock_gettime(clk_id, &ts);
>
> if (ret == 0) {
> - printf("The time is %lld.%06lld\n",
> - (long long)ts.tv_sec, (long long)ts.tv_nsec);
> + ksft_print_msg("The time is %lld.%06lld\n",
> + (long long)ts.tv_sec, (long long)ts.tv_nsec);
> + ksft_test_result_pass(VDSO_TEST_PASS_MSG());;
> } else {
> - printf("%s failed\n", name[1]);
> - return KSFT_FAIL;
> + ksft_test_result_fail(VDSO_TEST_FAIL_MSG(name[1]));
> }
> -
> - return KSFT_PASS;
> }
>
> -static int vdso_test_time(void)
> +static void vdso_test_time(void)
> {
> /* Find time. */
> vdso_time_t vdso_time =
> (vdso_time_t)vdso_sym(version, name[2]);
>
> if (!vdso_time) {
> - printf("Could not find %s\n", name[2]);
> - return KSFT_SKIP;
> + ksft_test_result_skip(VDSO_TEST_SKIP_MSG(name[2]));
> + return;
> }
>
> long ret = vdso_time(NULL);
>
> if (ret > 0) {
> - printf("The time in hours since January 1, 1970 is %lld\n",
> + ksft_print_msg("The time in hours since January 1, 1970 is %lld\n",
> (long long)(ret / 3600));
> + ksft_test_result_pass(VDSO_TEST_PASS_MSG());
> } else {
> - printf("%s failed\n", name[2]);
> - return KSFT_FAIL;
> + ksft_test_result_fail(VDSO_TEST_FAIL_MSG(name[2]));
> }
> -
> - return KSFT_PASS;
> }
>
> -static int vdso_test_clock_getres(clockid_t clk_id)
> +static void vdso_test_clock_getres(clockid_t clk_id)
> {
> + int clock_getres_fail = 0;
> +
> /* Find clock_getres. */
> vdso_clock_getres_t vdso_clock_getres =
> (vdso_clock_getres_t)vdso_sym(version, name[3]);
>
> if (!vdso_clock_getres) {
> - printf("Could not find %s\n", name[3]);
> - return KSFT_SKIP;
> + ksft_test_result_skip(VDSO_TEST_SKIP_MSG(name[3]));
> + return;
> }
>
> struct timespec ts, sys_ts;
> long ret = vdso_clock_getres(clk_id, &ts);
>
> if (ret == 0) {
> - printf("The resolution is %lld %lld\n",
> - (long long)ts.tv_sec, (long long)ts.tv_nsec);
> + ksft_print_msg("The vdso resolution is %lld %lld\n",
> + (long long)ts.tv_sec, (long long)ts.tv_nsec);
> } else {
> - printf("%s failed\n", name[3]);
> - return KSFT_FAIL;
> + clock_getres_fail++;
> }
>
> ret = syscall(SYS_clock_getres, clk_id, &sys_ts);
>
> - if ((sys_ts.tv_sec != ts.tv_sec) || (sys_ts.tv_nsec != ts.tv_nsec)) {
> - printf("%s failed\n", name[3]);
> - return KSFT_FAIL;
> - }
> + ksft_print_msg("The syscall resolution is %lld %lld\n",
> + (long long)sys_ts.tv_sec, (long long)sys_ts.tv_nsec);
>
> - return KSFT_PASS;
> + if ((sys_ts.tv_sec != ts.tv_sec) || (sys_ts.tv_nsec != ts.tv_nsec))
> + clock_getres_fail++;
> +
> + if (clock_getres_fail > 0) {
> + ksft_test_result_fail(VDSO_TEST_FAIL_MSG(name[3]));
> + } else {
> + ksft_test_result_pass(VDSO_TEST_PASS_MSG());
> + }
> }
>
> const char *vdso_clock_name[12] = {
> @@ -158,36 +162,23 @@ const char *vdso_clock_name[12] = {
> * This function calls vdso_test_clock_gettime and vdso_test_clock_getres
> * with different values for clock_id.
> */
> -static inline int vdso_test_clock(clockid_t clock_id)
> +static inline void vdso_test_clock(clockid_t clock_id)
> {
> - int ret0, ret1;
> -
> - ret0 = vdso_test_clock_gettime(clock_id);
> - /* A skipped test is considered passed */
> - if (ret0 == KSFT_SKIP)
> - ret0 = KSFT_PASS;
> -
> - ret1 = vdso_test_clock_getres(clock_id);
> - /* A skipped test is considered passed */
> - if (ret1 == KSFT_SKIP)
> - ret1 = KSFT_PASS;
> + ksft_print_msg("\nclock_id: %s\n", vdso_clock_name[clock_id]);
>
> - ret0 += ret1;
> + vdso_test_clock_gettime(clock_id);
>
> - printf("clock_id: %s", vdso_clock_name[clock_id]);
> -
> - if (ret0 > 0)
> - printf(" [FAIL]\n");
> - else
> - printf(" [PASS]\n");
> -
> - return ret0;
> + vdso_test_clock_getres(clock_id);
> }
>
> +#define VDSO_TEST_PLAN 16
> +
> int main(int argc, char **argv)
> {
> unsigned long sysinfo_ehdr = getauxval(AT_SYSINFO_EHDR);
> - int ret;
> +
> + ksft_print_header();
> + ksft_set_plan(VDSO_TEST_PLAN);
>
> if (!sysinfo_ehdr) {
> printf("AT_SYSINFO_EHDR is not present!\n");
> @@ -201,44 +192,42 @@ int main(int argc, char **argv)
>
> vdso_init_from_sysinfo_ehdr(getauxval(AT_SYSINFO_EHDR));
>
> - ret = vdso_test_gettimeofday();
> + vdso_test_gettimeofday();
>
> #if _POSIX_TIMERS > 0
>
> #ifdef CLOCK_REALTIME
> - ret += vdso_test_clock(CLOCK_REALTIME);
> + vdso_test_clock(CLOCK_REALTIME);
> #endif
>
> #ifdef CLOCK_BOOTTIME
> - ret += vdso_test_clock(CLOCK_BOOTTIME);
> + vdso_test_clock(CLOCK_BOOTTIME);
> #endif
>
> #ifdef CLOCK_TAI
> - ret += vdso_test_clock(CLOCK_TAI);
> + vdso_test_clock(CLOCK_TAI);
> #endif
>
> #ifdef CLOCK_REALTIME_COARSE
> - ret += vdso_test_clock(CLOCK_REALTIME_COARSE);
> + vdso_test_clock(CLOCK_REALTIME_COARSE);
> #endif
>
> #ifdef CLOCK_MONOTONIC
> - ret += vdso_test_clock(CLOCK_MONOTONIC);
> + vdso_test_clock(CLOCK_MONOTONIC);
> #endif
>
> #ifdef CLOCK_MONOTONIC_RAW
> - ret += vdso_test_clock(CLOCK_MONOTONIC_RAW);
> + vdso_test_clock(CLOCK_MONOTONIC_RAW);
> #endif
>
> #ifdef CLOCK_MONOTONIC_COARSE
> - ret += vdso_test_clock(CLOCK_MONOTONIC_COARSE);
> + vdso_test_clock(CLOCK_MONOTONIC_COARSE);
> #endif
>
> #endif
>
> - ret += vdso_test_time();
> -
> - if (ret > 0)
> - return KSFT_FAIL;
> + vdso_test_time();
>
> - return KSFT_PASS;
> + ksft_print_cnts();
> + return ksft_get_fail_cnt() == 0 ? KSFT_PASS : KSFT_FAIL;
> }
> --
> 2.34.1
>

2022-01-31 11:26:15

by Shuah Khan

[permalink] [raw]
Subject: Re: [PATCH v3] kselftest: Fix vdso_test_abi return status

On 1/28/22 7:44 AM, Cristian Marussi wrote:
> On Fri, Jan 28, 2022 at 01:07:01PM +0000, Vincenzo Frascino wrote:
>> vdso_test_abi contains a batch of tests that verify the validity of the
>> vDSO ABI.
>>
>> When a vDSO symbol is not found the relevant test is skipped reporting
>> KSFT_SKIP. All the tests return values are then added in a single
>> variable which is checked to verify failures. This approach can have
>> side effects which result in reporting the wrong kselftest exit status.
>>
>> Fix vdso_test_abi verifying the return code of each test separately.
>>
>> Cc: Shuah Khan <[email protected]>
>> Cc: Andy Lutomirski <[email protected]>
>> Cc: Thomas Gleixner <[email protected]>
>> Reported-by: Cristian Marussi <[email protected]>
>> Signed-off-by: Vincenzo Frascino <[email protected]>
>> ---
>
> Hi,
>
> LGTM.
>
> Tested-by: Cristian Marussi <[email protected]>
>
> Thanks,
> Cristian

Thank you both. Will queue this up for 5.17 rc3.

thanks,
-- Shuah

2022-01-31 11:26:56

by Shuah Khan

[permalink] [raw]
Subject: Re: [PATCH v3] kselftest: Fix vdso_test_abi return status

On 1/28/22 10:35 AM, Shuah Khan wrote:
> On 1/28/22 7:44 AM, Cristian Marussi wrote:
>> On Fri, Jan 28, 2022 at 01:07:01PM +0000, Vincenzo Frascino wrote:
>>> vdso_test_abi contains a batch of tests that verify the validity of the
>>> vDSO ABI.
>>>
>>> When a vDSO symbol is not found the relevant test is skipped reporting
>>> KSFT_SKIP. All the tests return values are then added in a single
>>> variable which is checked to verify failures. This approach can have
>>> side effects which result in reporting the wrong kselftest exit status.
>>>
>>> Fix vdso_test_abi verifying the return code of each test separately.
>>>
>>> Cc: Shuah Khan <[email protected]>
>>> Cc: Andy Lutomirski <[email protected]>
>>> Cc: Thomas Gleixner <[email protected]>
>>> Reported-by: Cristian Marussi <[email protected]>
>>> Signed-off-by: Vincenzo Frascino <[email protected]>
>>> ---
>>
>> Hi,
>>
>> LGTM.
>>
>> Tested-by: Cristian Marussi <[email protected]>
>>
>> Thanks,
>> Cristian
>
> Thank you both. Will queue this up for 5.17 rc3.
>

Vincenzo,

A couple of checkpatch warns. Please fix them and send me v4.

thanks,
-- Shuah

2022-02-01 20:13:43

by Vincenzo Frascino

[permalink] [raw]
Subject: Re: [PATCH v3] kselftest: Fix vdso_test_abi return status

Hi Shuah,

On 1/28/22 5:41 PM, Shuah Khan wrote:
> On 1/28/22 10:35 AM, Shuah Khan wrote:
>> On 1/28/22 7:44 AM, Cristian Marussi wrote:
>>> On Fri, Jan 28, 2022 at 01:07:01PM +0000, Vincenzo Frascino wrote:
>>>> vdso_test_abi contains a batch of tests that verify the validity of the
>>>> vDSO ABI.
>>>>
>>>> When a vDSO symbol is not found the relevant test is skipped reporting
>>>> KSFT_SKIP. All the tests return values are then added in a single
>>>> variable which is checked to verify failures. This approach can have
>>>> side effects which result in reporting the wrong kselftest exit status.
>>>>
>>>> Fix vdso_test_abi verifying the return code of each test separately.
>>>>
>>>> Cc: Shuah Khan <[email protected]>
>>>> Cc: Andy Lutomirski <[email protected]>
>>>> Cc: Thomas Gleixner <[email protected]>
>>>> Reported-by: Cristian Marussi <[email protected]>
>>>> Signed-off-by: Vincenzo Frascino <[email protected]>
>>>> ---
>>>
>>> Hi,
>>>
>>> LGTM.
>>>
>>> Tested-by: Cristian Marussi <[email protected]>
>>>
>>> Thanks,
>>> Cristian
>>
>> Thank you both. Will queue this up for 5.17 rc3.
>>
>
> Vincenzo,
>
> A couple of checkpatch warns. Please fix them and send me v4.
>

It should be sorted now, I just posted v4. Please let me know if anything else
is required from my side.

Thanks!

--->8---

$ scripts/checkpatch.pl v4-0001-kselftest-Fix-vdso_test_abi-return-status.patch
total: 0 errors, 0 warnings, 252 lines checked


> thanks,
> -- Shuah

--
Regards,
Vincenzo