On 11/14/2017 01:04 PM, Mathieu Desnoyers wrote:
> Test the new MEMBARRIER_CMD_SHARED_EXPEDITED and
> MEMBARRIER_CMD_REGISTER_SHARED_EXPEDITED commands.
>
> Signed-off-by: Mathieu Desnoyers <[email protected]>
> CC: Shuah Khan <[email protected]>
> CC: Greg Kroah-Hartman <[email protected]>
> CC: Peter Zijlstra <[email protected]>
> CC: Paul E. McKenney <[email protected]>
> CC: Boqun Feng <[email protected]>
> CC: Andrew Hunter <[email protected]>
> CC: Maged Michael <[email protected]>
> CC: Avi Kivity <[email protected]>
> CC: Benjamin Herrenschmidt <[email protected]>
> CC: Paul Mackerras <[email protected]>
> CC: Michael Ellerman <[email protected]>
> CC: Dave Watson <[email protected]>
> CC: Alan Stern <[email protected]>
> CC: Will Deacon <[email protected]>
> CC: Andy Lutomirski <[email protected]>
> CC: Alice Ferrazzi <[email protected]>
> CC: Paul Elder <[email protected]>
> CC: [email protected]
> CC: [email protected]
> ---
> .../testing/selftests/membarrier/membarrier_test.c | 51 +++++++++++++++++++++-
> 1 file changed, 50 insertions(+), 1 deletion(-)
>
> diff --git a/tools/testing/selftests/membarrier/membarrier_test.c b/tools/testing/selftests/membarrier/membarrier_test.c
> index e6ee73d01fa1..bb9c58072c5c 100644
> --- a/tools/testing/selftests/membarrier/membarrier_test.c
> +++ b/tools/testing/selftests/membarrier/membarrier_test.c
> @@ -132,6 +132,40 @@ static int test_membarrier_private_expedited_success(void)
> return 0;
> }
>
> +static int test_membarrier_register_shared_expedited_success(void)
> +{
> + int cmd = MEMBARRIER_CMD_REGISTER_SHARED_EXPEDITED, flags = 0;
> + const char *test_name = "sys membarrier MEMBARRIER_CMD_REGISTER_SHARED_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;
> +}
> +
> +static int test_membarrier_shared_expedited_success(void)
> +{
> + int cmd = MEMBARRIER_CMD_SHARED_EXPEDITED, flags = 0;
> + const char *test_name = "sys membarrier MEMBARRIER_CMD_SHARED_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;
> +}
> +
> static int test_membarrier(void)
> {
> int status;
> @@ -154,6 +188,19 @@ static int test_membarrier(void)
> status = test_membarrier_private_expedited_success();
> if (status)
> return status;
> + /*
> + * It is valid to send a shared membarrier from a non-registered
> + * process.
> + */
> + status = test_membarrier_shared_expedited_success();
> + if (status)
> + return status;
> + status = test_membarrier_register_shared_expedited_success();
> + if (status)
> + return status;
> + status = test_membarrier_shared_expedited_success();
> + if (status)
> + return status;
> return 0;
> }
>
> @@ -173,8 +220,10 @@ static int test_membarrier_query(void)
> }
> ksft_exit_fail_msg("sys_membarrier() failed\n");
> }
> - if (!(ret & MEMBARRIER_CMD_SHARED))
> + if (!(ret & MEMBARRIER_CMD_SHARED)) {
> + ksft_test_result_fail("sys_membarrier() CMD_SHARED query failed\n");
> ksft_exit_fail_msg("sys_membarrier is not supported.\n");
> + }
>
> ksft_test_result_pass("sys_membarrier available\n");
> return 0;
>
Looks good to me. I am assuming this patch goes in with the rest of the
series. For this patch:
Acked-by: Shuah Khan <[email protected]>
thanks,
-- Shuah
From 1584079398064480842@xxx Tue Nov 14 21:43:57 +0000 2017
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