----- On Sep 26, 2017, at 3:41 PM, Shuah Khan shuahkhan@xxxxxxxxx wrote: > Hi Mathew, > > On Tue, Sep 26, 2017 at 11:51 AM, Mathieu Desnoyers > <mathieu.desnoyers@xxxxxxxxxxxx> wrote: >> Test the new MEMBARRIER_CMD_PRIVATE_EXPEDITED and >> MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED commands. >> >> Add checks expecting specific error values on system calls expected to >> fail. >> >> Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxxxx> >> CC: Peter Zijlstra <peterz@xxxxxxxxxxxxx> >> CC: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx> >> CC: Boqun Feng <boqun.feng@xxxxxxxxx> >> CC: Andrew Hunter <ahh@xxxxxxxxxx> >> CC: Maged Michael <maged.michael@xxxxxxxxx> >> CC: gromer@xxxxxxxxxx >> CC: Avi Kivity <avi@xxxxxxxxxxxx> >> CC: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx> >> CC: Paul Mackerras <paulus@xxxxxxxxx> >> CC: Michael Ellerman <mpe@xxxxxxxxxxxxxx> >> CC: Dave Watson <davejwatson@xxxxxx> >> CC: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> >> CC: Will Deacon <will.deacon@xxxxxxx> >> CC: Andy Lutomirski <luto@xxxxxxxxxx> >> CC: linux-arch@xxxxxxxxxxxxxxx >> --- >> .../testing/selftests/membarrier/membarrier_test.c | 109 > > Did you run get_maintainers script on this patch? I am curious why > get_maintainers didn't include linux-kselftest@xxxxxxxxxxxxxxx and > shuah@xxxxxxxxxx My mistake. I'll add this script to my checklist before I send out patches. If OK with you, I can just add the ML in CC here. Thanks, Mathieu > > thanks, > -- Shuah > > Please make sure you send the patches to > ++++++++++++++++++--- >> 1 file changed, 94 insertions(+), 15 deletions(-) >> >> diff --git a/tools/testing/selftests/membarrier/membarrier_test.c >> b/tools/testing/selftests/membarrier/membarrier_test.c >> index 21399fcf1a59..f85657374b59 100644 >> --- a/tools/testing/selftests/membarrier/membarrier_test.c >> +++ b/tools/testing/selftests/membarrier/membarrier_test.c >> @@ -15,49 +15,119 @@ static int sys_membarrier(int cmd, int flags) >> static int test_membarrier_cmd_fail(void) >> { >> int cmd = -1, flags = 0; >> + const char *test_name = "sys membarrier invalid command"; >> >> if (sys_membarrier(cmd, flags) != -1) { >> ksft_exit_fail_msg( >> - "sys membarrier invalid command test: command = %d, >> flags = %d. Should fail, but passed\n", >> - cmd, flags); >> + "%s test: command = %d, flags = %d. Should fail, but >> passed\n", >> + test_name, cmd, flags); >> + } >> + if (errno != EINVAL) { >> + ksft_exit_fail_msg( >> + "%s test: flags = %d. Should return (%d: \"%s\"), but >> returned (%d: \"%s\").\n", >> + test_name, flags, EINVAL, strerror(EINVAL), >> + errno, strerror(errno)); >> } >> >> ksft_test_result_pass( >> - "sys membarrier invalid command test: command = %d, flags = %d. >> Failed as expected\n", >> - cmd, flags); >> + "%s test: command = %d, flags = %d, errno = %d. Failed as >> expected\n", >> + test_name, cmd, flags, errno); >> return 0; >> } >> >> static int test_membarrier_flags_fail(void) >> { >> int cmd = MEMBARRIER_CMD_QUERY, flags = 1; >> + const char *test_name = "sys membarrier MEMBARRIER_CMD_QUERY invalid >> flags"; >> >> if (sys_membarrier(cmd, flags) != -1) { >> ksft_exit_fail_msg( >> - "sys membarrier MEMBARRIER_CMD_QUERY invalid flags test: >> flags = %d. Should fail, but passed\n", >> - flags); >> + "%s test: flags = %d. Should fail, but passed\n", >> + test_name, flags); >> + } >> + if (errno != EINVAL) { >> + ksft_exit_fail_msg( >> + "%s test: flags = %d. Should return (%d: \"%s\"), but >> returned (%d: \"%s\").\n", >> + test_name, flags, EINVAL, strerror(EINVAL), >> + errno, strerror(errno)); >> } >> >> ksft_test_result_pass( >> - "sys membarrier MEMBARRIER_CMD_QUERY invalid flags test: flags = >> %d. Failed as expected\n", >> - flags); >> + "%s test: flags = %d, errno = %d. Failed as expected\n", >> + test_name, flags, errno); >> return 0; >> } >> >> -static int test_membarrier_success(void) >> +static int test_membarrier_shared_success(void) >> { >> int cmd = MEMBARRIER_CMD_SHARED, flags = 0; >> - const char *test_name = "sys membarrier MEMBARRIER_CMD_SHARED\n"; >> + const char *test_name = "sys membarrier MEMBARRIER_CMD_SHARED"; >> + >> + if (sys_membarrier(cmd, flags) != 0) { >> + ksft_exit_fail_msg( >> + "%s test: flags = %d, errno = %d\n", >> + test_name, flags, errno); >> + } >> + >> + ksft_test_result_pass( >> + "%s test: flags = %d\n", test_name, flags); >> + return 0; >> +} >> + >> +static int test_membarrier_private_expedited_fail(void) >> +{ >> + int cmd = MEMBARRIER_CMD_PRIVATE_EXPEDITED, flags = 0; >> + const char *test_name = "sys membarrier MEMBARRIER_CMD_PRIVATE_EXPEDITED >> not registered failure"; >> + >> + if (sys_membarrier(cmd, flags) != -1) { >> + ksft_exit_fail_msg( >> + "%s test: flags = %d. Should fail, but passed\n", >> + test_name, flags); >> + } >> + if (errno != EPERM) { >> + ksft_exit_fail_msg( >> + "%s test: flags = %d. Should return (%d: \"%s\"), but >> returned (%d: \"%s\").\n", >> + test_name, flags, EPERM, strerror(EPERM), >> + errno, strerror(errno)); >> + } >> + >> + ksft_test_result_pass( >> + "%s test: flags = %d, errno = %d\n", >> + test_name, flags, errno); >> + return 0; >> +} >> + >> +static int test_membarrier_register_private_expedited_success(void) >> +{ >> + int cmd = MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED, flags = 0; >> + const char *test_name = "sys membarrier >> MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED"; >> >> if (sys_membarrier(cmd, flags) != 0) { >> ksft_exit_fail_msg( >> - "sys membarrier MEMBARRIER_CMD_SHARED test: flags = >> %d\n", >> - flags); >> + "%s test: flags = %d, errno = %d\n", >> + test_name, flags, errno); >> } >> >> ksft_test_result_pass( >> - "sys membarrier MEMBARRIER_CMD_SHARED test: flags = %d\n", >> - flags); >> + "%s test: flags = %d\n", >> + test_name, flags); >> + return 0; >> +} >> + >> +static int test_membarrier_private_expedited_success(void) >> +{ >> + int cmd = MEMBARRIER_CMD_PRIVATE_EXPEDITED, flags = 0; >> + const char *test_name = "sys membarrier >> MEMBARRIER_CMD_PRIVATE_EXPEDITED"; >> + >> + if (sys_membarrier(cmd, flags) != 0) { >> + ksft_exit_fail_msg( >> + "%s test: flags = %d, errno = %d\n", >> + test_name, flags, errno); >> + } >> + >> + ksft_test_result_pass( >> + "%s test: flags = %d\n", >> + test_name, flags); >> return 0; >> } >> >> @@ -71,7 +141,16 @@ static int test_membarrier(void) >> status = test_membarrier_flags_fail(); >> if (status) >> return status; >> - status = test_membarrier_success(); >> + status = test_membarrier_shared_success(); >> + if (status) >> + return status; >> + status = test_membarrier_private_expedited_fail(); >> + if (status) >> + return status; >> + status = test_membarrier_register_private_expedited_success(); >> + if (status) >> + return status; >> + status = test_membarrier_private_expedited_success(); >> if (status) >> return status; >> return 0; >> -- >> 2.11.0 -- Mathieu Desnoyers EfficiOS Inc. http://www.efficios.com