diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2026-04-25 16:46:06 +0300 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2026-05-05 17:03:11 +0300 |
| commit | 02b44d943b3adddc3a15c1da97045e205b7d14c1 (patch) | |
| tree | 9a8ec5ac4352e12d107414a8b9927190c2ee704a /tools | |
| parent | b9eac6a9d93c952c4b7775a24d5c7a1bbf4c3c00 (diff) | |
| download | linux-02b44d943b3adddc3a15c1da97045e205b7d14c1.tar.xz | |
selftests/rseq: Skip tests if time slice extensions are not available
Don't fail, skip the test if the extensions are not enabled at compile or
runtime.
Fixes: 830969e7821a ("selftests/rseq: Implement time slice extension test")
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Dmitry Vyukov <dvyukov@google.com>
Tested-by: Dmitry Vyukov <dvyukov@google.com>
Link: https://patch.msgid.link/20260428224427.597838491%40kernel.org
Cc: stable@vger.kernel.org
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/testing/selftests/rseq/slice_test.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/tools/testing/selftests/rseq/slice_test.c b/tools/testing/selftests/rseq/slice_test.c index 357122dcb487..77e668ff74d7 100644 --- a/tools/testing/selftests/rseq/slice_test.c +++ b/tools/testing/selftests/rseq/slice_test.c @@ -124,6 +124,13 @@ FIXTURE_SETUP(slice_ext) { cpu_set_t affinity; + if (rseq_register_current_thread()) + SKIP(return, "RSEQ not supported\n"); + + if (prctl(PR_RSEQ_SLICE_EXTENSION, PR_RSEQ_SLICE_EXTENSION_SET, + PR_RSEQ_SLICE_EXT_ENABLE, 0, 0)) + SKIP(return, "Time slice extension not supported\n"); + ASSERT_EQ(sched_getaffinity(0, sizeof(affinity), &affinity), 0); /* Pin it on a single CPU. Avoid CPU 0 */ @@ -137,11 +144,6 @@ FIXTURE_SETUP(slice_ext) break; } - ASSERT_EQ(rseq_register_current_thread(), 0); - - ASSERT_EQ(prctl(PR_RSEQ_SLICE_EXTENSION, PR_RSEQ_SLICE_EXTENSION_SET, - PR_RSEQ_SLICE_EXT_ENABLE, 0, 0), 0); - self->noise_params.noise_nsecs = variant->noise_nsecs; self->noise_params.sleep_nsecs = variant->sleep_nsecs; self->noise_params.run = 1; |