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Date: Tue, 26 Sep 2017 19:55:17 +0000 (UTC)
From: Mathieu Desnoyers <mathieu.desnoyers@...icios.com>
To: Shuah Khan <shuahkhan@...il.com>, linux-kselftest@...r.kernel.org
Cc: shuah@...nel.org, "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
Peter Zijlstra <peterz@...radead.org>,
linux-kernel <linux-kernel@...r.kernel.org>,
Boqun Feng <boqun.feng@...il.com>,
Andrew Hunter <ahh@...gle.com>,
maged michael <maged.michael@...il.com>,
gromer <gromer@...gle.com>, Avi Kivity <avi@...lladb.com>,
Benjamin Herrenschmidt <benh@...nel.crashing.org>,
Paul Mackerras <paulus@...ba.org>,
Michael Ellerman <mpe@...erman.id.au>,
Dave Watson <davejwatson@...com>,
Alan Stern <stern@...land.harvard.edu>,
Will Deacon <will.deacon@....com>,
Andy Lutomirski <luto@...nel.org>,
linux-arch <linux-arch@...r.kernel.org>
Subject: Re: [PATCH for 4.14 2/3] membarrier: selftest: Test private
expedited cmd
----- On Sep 26, 2017, at 3:41 PM, Shuah Khan shuahkhan@...il.com wrote:
> Hi Mathew,
>
> On Tue, Sep 26, 2017 at 11:51 AM, Mathieu Desnoyers
> <mathieu.desnoyers@...icios.com> 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@...icios.com>
>> CC: Peter Zijlstra <peterz@...radead.org>
>> CC: Paul E. McKenney <paulmck@...ux.vnet.ibm.com>
>> CC: Boqun Feng <boqun.feng@...il.com>
>> CC: Andrew Hunter <ahh@...gle.com>
>> CC: Maged Michael <maged.michael@...il.com>
>> CC: gromer@...gle.com
>> CC: Avi Kivity <avi@...lladb.com>
>> CC: Benjamin Herrenschmidt <benh@...nel.crashing.org>
>> CC: Paul Mackerras <paulus@...ba.org>
>> CC: Michael Ellerman <mpe@...erman.id.au>
>> CC: Dave Watson <davejwatson@...com>
>> CC: Alan Stern <stern@...land.harvard.edu>
>> CC: Will Deacon <will.deacon@....com>
>> CC: Andy Lutomirski <luto@...nel.org>
>> CC: linux-arch@...r.kernel.org
>> ---
>> .../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@...r.kernel.org and
> shuah@...nel.org
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
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