Using syscall() is problematic for the reasons outlined in vdso_syscalls.h.
Use the wrappers from the utility header instead. Signed-off-by: Thomas Weißschuh <[email protected]> --- .../testing/selftests/vDSO/vdso_test_correctness.c | 34 ++++++---------------- 1 file changed, 9 insertions(+), 25 deletions(-) diff --git a/tools/testing/selftests/vDSO/vdso_test_correctness.c b/tools/testing/selftests/vDSO/vdso_test_correctness.c index 276446d24f55d6b28910320e3d601bac501c2ca1..ac5fa3e906806c28d3238e6f4e767e370932c5d1 100644 --- a/tools/testing/selftests/vDSO/vdso_test_correctness.c +++ b/tools/testing/selftests/vDSO/vdso_test_correctness.c @@ -20,6 +20,7 @@ #include "vdso_config.h" #include "vdso_call.h" +#include "vdso_syscalls.h" #include "vdso_types.h" #include "../kselftest.h" @@ -131,21 +132,6 @@ static long sys_getcpu(unsigned * cpu, unsigned * node, return syscall(__NR_getcpu, cpu, node, cache); } -static inline int sys_clock_gettime(clockid_t id, struct timespec *ts) -{ - return syscall(__NR_clock_gettime, id, ts); -} - -static inline int sys_clock_gettime64(clockid_t id, struct __kernel_timespec *ts) -{ - return syscall(__NR_clock_gettime64, id, ts); -} - -static inline int sys_gettimeofday(struct timeval *tv, struct timezone *tz) -{ - return syscall(__NR_gettimeofday, tv, tz); -} - static void test_getcpu(void) { printf("[RUN]\tTesting getcpu...\n"); @@ -237,8 +223,8 @@ static char const * const clocknames[] = { static void test_one_clock_gettime(int clock, const char *name) { + struct __kernel_timespec start, end; struct __kernel_old_timespec vdso; - struct timespec start, end; int vdso_ret, end_ret; printf("[RUN]\tTesting clock_gettime for clock %s (%d)...\n", name, clock); @@ -269,9 +255,9 @@ static void test_one_clock_gettime(int clock, const char *name) } printf("\t%llu.%09ld %llu.%09ld %llu.%09ld\n", - (unsigned long long)start.tv_sec, start.tv_nsec, - (unsigned long long)vdso.tv_sec, vdso.tv_nsec, - (unsigned long long)end.tv_sec, end.tv_nsec); + (unsigned long long)start.tv_sec, (unsigned long)start.tv_nsec, + (unsigned long long)vdso.tv_sec, (unsigned long)vdso.tv_nsec, + (unsigned long long)end.tv_sec, (unsigned long)end.tv_nsec); if (!ts_leq(&start, &vdso) || !ts_leq(&vdso, &end)) { printf("[FAIL]\tTimes are out of sequence\n"); @@ -305,7 +291,7 @@ static void test_one_clock_gettime64(int clock, const char *name) printf("[RUN]\tTesting clock_gettime64 for clock %s (%d)...\n", name, clock); - if (sys_clock_gettime64(clock, &start) < 0) { + if (sys_clock_gettime(clock, &start) < 0) { if (errno == EINVAL) { vdso_ret = VDSO_CALL(vdso_clock_gettime64, 2, clock, &vdso); if (vdso_ret == -EINVAL) { @@ -321,7 +307,7 @@ static void test_one_clock_gettime64(int clock, const char *name) } vdso_ret = VDSO_CALL(vdso_clock_gettime64, 2, clock, &vdso); - end_ret = sys_clock_gettime64(clock, &end); + end_ret = sys_clock_gettime(clock, &end); if (vdso_ret != 0 || end_ret != 0) { printf("[FAIL]\tvDSO returned %d, syscall errno=%d\n", @@ -362,10 +348,8 @@ static void test_clock_gettime64(void) static void test_gettimeofday(void) { - struct __kernel_old_timeval vdso; - struct kernel_timezone vdso_tz; - struct timeval start, end; - struct timezone sys_tz; + struct __kernel_old_timeval start, vdso, end; + struct kernel_timezone vdso_tz, sys_tz; int vdso_ret, end_ret; if (!vdso_gettimeofday) -- 2.51.0
