On 11/14/2017 01:04 PM, Mathieu Desnoyers wrote:
Test the new MEMBARRIER_CMD_PRIVATE_EXPEDITED_SYNC_CORE and MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED_SYNC_CORE commands.
Signed-off-by: Mathieu Desnoyers mathieu.desnoyers@efficios.com CC: Shuah Khan shuahkh@osg.samsung.com CC: Greg Kroah-Hartman gregkh@linuxfoundation.org CC: Peter Zijlstra peterz@infradead.org CC: Paul E. McKenney paulmck@linux.vnet.ibm.com CC: Boqun Feng boqun.feng@gmail.com CC: Andrew Hunter ahh@google.com CC: Maged Michael maged.michael@gmail.com CC: Avi Kivity avi@scylladb.com CC: Benjamin Herrenschmidt benh@kernel.crashing.org CC: Paul Mackerras paulus@samba.org CC: Michael Ellerman mpe@ellerman.id.au CC: Dave Watson davejwatson@fb.com CC: Alan Stern stern@rowland.harvard.edu CC: Will Deacon will.deacon@arm.com CC: Andy Lutomirski luto@kernel.org CC: Alice Ferrazzi alice.ferrazzi@gmail.com CC: Paul Elder paul.elder@pitt.edu CC: linux-kselftest@vger.kernel.org CC: linux-arch@vger.kernel.org
.../testing/selftests/membarrier/membarrier_test.c | 73 ++++++++++++++++++++++ 1 file changed, 73 insertions(+)
diff --git a/tools/testing/selftests/membarrier/membarrier_test.c b/tools/testing/selftests/membarrier/membarrier_test.c index bb9c58072c5c..d9ab8b6ee52e 100644 --- a/tools/testing/selftests/membarrier/membarrier_test.c +++ b/tools/testing/selftests/membarrier/membarrier_test.c @@ -132,6 +132,63 @@ static int test_membarrier_private_expedited_success(void) return 0; } +static int test_membarrier_private_expedited_sync_core_fail(void) +{
- int cmd = MEMBARRIER_CMD_PRIVATE_EXPEDITED_SYNC_CORE, flags = 0;
- const char *test_name = "sys membarrier MEMBARRIER_CMD_PRIVATE_EXPEDITED_SYNC_CORE 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_sync_core_success(void) +{
- int cmd = MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED_SYNC_CORE, flags = 0;
- const char *test_name = "sys membarrier MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED_SYNC_CORE";
- 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_sync_core_success(void) +{
- int cmd = MEMBARRIER_CMD_PRIVATE_EXPEDITED, flags = 0;
- const char *test_name = "sys membarrier MEMBARRIER_CMD_PRIVATE_EXPEDITED_SYNC_CORE";
- 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_register_shared_expedited_success(void) { int cmd = MEMBARRIER_CMD_REGISTER_SHARED_EXPEDITED, flags = 0; @@ -188,6 +245,22 @@ static int test_membarrier(void) status = test_membarrier_private_expedited_success(); if (status) return status;
- status = sys_membarrier(MEMBARRIER_CMD_QUERY, 0);
- if (status < 0) {
ksft_test_result_fail("sys_membarrier() failed\n");return status;- }
- if (status & MEMBARRIER_CMD_PRIVATE_EXPEDITED_SYNC_CORE) {
status = test_membarrier_private_expedited_sync_core_fail();if (status)return status;status = test_membarrier_register_private_expedited_sync_core_success();if (status)return status;status = test_membarrier_private_expedited_sync_core_success();if (status)return status;- } /*
- It is valid to send a shared membarrier from a non-registered
- process.
Looks good to me. I am assuming this patch goes in with the rest of the series. For this patch:
Acked-by: Shuah Khan shuahkh@osg.samsung.com
thanks, -- Shuah -- To unsubscribe from this list: send the line "unsubscribe linux-kselftest" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html