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| author | Michal Clapinski <mclapinski@google.com> | 2022-12-07 19:43:38 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2023-01-07 13:29:29 +0300 |
| commit | d74f87f37672e71457bfcc14eca5eeb1d61b6438 (patch) | |
| tree | dbd05bc0e9481467a5768ca35ce5e5f8f523a6aa /tools/testing/selftests/membarrier/membarrier_test_impl.h | |
| parent | 544a4f2ecd45f9d6ed78d207583f39130ad40349 (diff) | |
| download | linux-d74f87f37672e71457bfcc14eca5eeb1d61b6438.tar.xz | |
selftests/membarrier: Test MEMBARRIER_CMD_GET_REGISTRATIONS
Keep track of previously issued registrations and compare the result
with MEMBARRIER_CMD_GET_REGISTRATIONS return value.
Signed-off-by: Michal Clapinski <mclapinski@google.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Acked-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Acked-by: Paul E. McKenney <paulmck@kernel.org>
Link: https://lore.kernel.org/r/20221207164338.1535591-3-mclapinski@google.com
Diffstat (limited to 'tools/testing/selftests/membarrier/membarrier_test_impl.h')
| -rw-r--r-- | tools/testing/selftests/membarrier/membarrier_test_impl.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/tools/testing/selftests/membarrier/membarrier_test_impl.h b/tools/testing/selftests/membarrier/membarrier_test_impl.h index 186be69f0a59..af89855adb7b 100644 --- a/tools/testing/selftests/membarrier/membarrier_test_impl.h +++ b/tools/testing/selftests/membarrier/membarrier_test_impl.h @@ -9,11 +9,38 @@ #include "../kselftest.h" +static int registrations; + static int sys_membarrier(int cmd, int flags) { return syscall(__NR_membarrier, cmd, flags); } +static int test_membarrier_get_registrations(int cmd) +{ + int ret, flags = 0; + const char *test_name = + "sys membarrier MEMBARRIER_CMD_GET_REGISTRATIONS"; + + registrations |= cmd; + + ret = sys_membarrier(MEMBARRIER_CMD_GET_REGISTRATIONS, 0); + if (ret < 0) { + ksft_exit_fail_msg( + "%s test: flags = %d, errno = %d\n", + test_name, flags, errno); + } else if (ret != registrations) { + ksft_exit_fail_msg( + "%s test: flags = %d, ret = %d, registrations = %d\n", + test_name, flags, ret, registrations); + } + ksft_test_result_pass( + "%s test: flags = %d, ret = %d, registrations = %d\n", + test_name, flags, ret, registrations); + + return 0; +} + static int test_membarrier_cmd_fail(void) { int cmd = -1, flags = 0; @@ -113,6 +140,8 @@ static int test_membarrier_register_private_expedited_success(void) ksft_test_result_pass( "%s test: flags = %d\n", test_name, flags); + + test_membarrier_get_registrations(cmd); return 0; } @@ -170,6 +199,8 @@ static int test_membarrier_register_private_expedited_sync_core_success(void) ksft_test_result_pass( "%s test: flags = %d\n", test_name, flags); + + test_membarrier_get_registrations(cmd); return 0; } @@ -204,6 +235,8 @@ static int test_membarrier_register_global_expedited_success(void) ksft_test_result_pass( "%s test: flags = %d\n", test_name, flags); + + test_membarrier_get_registrations(cmd); return 0; } |