| Message ID | 20231115203401.2495875-3-iii@linux.ibm.com (mailing list archive) |
|---|---|
| State | Superseded |
| Headers | show |
| Series | kmsan: Enable on s390 | expand |
On Wed, Nov 15, 2023 at 9:34 PM Ilya Leoshkevich <iii@linux.ibm.com> wrote: > > It's useful to have both tests and kmsan.panic=1 during development, > but right now the warnings, that the tests cause, lead to kernel > panics. > > Temporarily set kmsan.panic=0 for the duration of the KMSAN testing. Nice! > Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com> Reviewed-by: Alexander Potapenko <glider@google.com>
diff --git a/mm/kmsan/kmsan_test.c b/mm/kmsan/kmsan_test.c index 07d3a3a5a9c5..9bfd11674fe3 100644 --- a/mm/kmsan/kmsan_test.c +++ b/mm/kmsan/kmsan_test.c @@ -659,9 +659,13 @@ static void test_exit(struct kunit *test) { } +static int orig_panic_on_kmsan; + static int kmsan_suite_init(struct kunit_suite *suite) { register_trace_console(probe_console, NULL); + orig_panic_on_kmsan = panic_on_kmsan; + panic_on_kmsan = 0; return 0; } @@ -669,6 +673,7 @@ static void kmsan_suite_exit(struct kunit_suite *suite) { unregister_trace_console(probe_console, NULL); tracepoint_synchronize_unregister(); + panic_on_kmsan = orig_panic_on_kmsan; } static struct kunit_suite kmsan_test_suite = {
It's useful to have both tests and kmsan.panic=1 during development, but right now the warnings, that the tests cause, lead to kernel panics. Temporarily set kmsan.panic=0 for the duration of the KMSAN testing. Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com> --- mm/kmsan/kmsan_test.c | 5 +++++ 1 file changed, 5 insertions(+)