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Date: Tue, 26 Sep 2017 20:15:25 +0000 (UTC)
From: Mathieu Desnoyers <mathieu.desnoyers@...icios.com>
To: Shuah Khan <shuahkhan@...il.com>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Alice Ferrazzi <alice.ferrazzi@...il.com>,
Paul Elder <paul.elder@...t.edu>,
"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
Cc: linux-kselftest <linux-kselftest@...r.kernel.org>,
shuah <shuah@...nel.org>, 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>,
Shuah Khan <shuahkh@....samsung.com>
Subject: Re: [PATCH for 4.14 2/3] membarrier: selftest: Test private
expedited cmd
----- On Sep 26, 2017, at 4:08 PM, Shuah Khan shuahkhan@...il.com wrote:
> 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.
Indeed, it has a dependency on another patch part of this
series, which is aimed to go through Paul E. McKenney's tree.
Adding Greg, Alice, and Paul Elder in CC as suggested by get_maintainers.
Do you need me to re-send the series, or is this thread ok ?
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
--
Mathieu Desnoyers
EfficiOS Inc.
http://www.efficios.com
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