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Date: Tue, 26 Sep 2017 14:08:24 -0600
From: Shuah Khan <shuahkhan@...il.com>
To: Mathieu Desnoyers <mathieu.desnoyers@...icios.com>
Cc: linux-kselftest@...r.kernel.org, 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>, shuahkh@....samsung.com
Subject: Re: [PATCH for 4.14 2/3] membarrier: selftest: Test private expedited cmd
On Tue, Sep 26, 2017 at 1:55 PM, Mathieu Desnoyers
<mathieu.desnoyers@...icios.com> wrote:
> ----- 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.
>
Please add everybody get_maintainers suggest for this patch as well.
If this patch is going through linux-kselftest, you will have to resend the
patch to me at some point, so I can pull it in.
I am guessing this has dependency on the other patches in the series
and will go through the primary tree. In that case CC is just fine and I will
review it and Ack it.
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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