[PATCH v1 2/4] kselftest/arm64: Log unexpected asynchronous MTE faults

Mark Brown
2022-03-10T14:54:39Z

Help people figure out problems by printing a diagnostic when we get an
unexpected asynchronous fault.

Signed-off-by: Mark Brown <broonie@kernel.org>
---
tools/testing/selftests/arm64/mte/mte_common_util.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/tools/testing/selftests/arm64/mte/mte_common_util.c b/tools/testing/selftests/arm64/mte/mte_common_util.c
index 0328a1e08f65..24b0c14203cb 100644
--- a/tools/testing/selftests/arm64/mte/mte_common_util.c
+++ b/tools/testing/selftests/arm64/mte/mte_common_util.c
@@ -37,6 +37,8 @@ void mte_default_handler(int signum, siginfo_t *si, void *uc)
if (si->si_code == SEGV_MTEAERR) {
if (cur_mte_cxt.trig_si_code == si->si_code)
cur_mte_cxt.fault_valid = true;
+ else
+ ksft_print_msg("Got unexpected SEGV_MTEAERR\n");
return;
}
/* Compare the context for precise error */
--
2.30.2