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Date: Tue, 26 Sep 2017 13:41:35 -0600
From: Shuah Khan <shuahkhan@...il.com>
To: Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
shuah@...nel.org
Cc: "Paul E . McKenney" <paulmck@...ux.vnet.ibm.com>,
Peter Zijlstra <peterz@...radead.org>,
LKML <linux-kernel@...r.kernel.org>,
Boqun Feng <boqun.feng@...il.com>,
Andrew Hunter <ahh@...gle.com>,
Maged Michael <maged.michael@...il.com>, 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@...r.kernel.org
Subject: Re: [PATCH for 4.14 2/3] membarrier: selftest: Test private expedited cmd
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
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
>
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