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kselftest/arm64: Log unexpected asynchronous MTE faults

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

Signed-off-by: Mark Brown <broonie@kernel.org>
Reviewed-by: Shuah Khan <skhan@linuxfoundation.org>
Link: https://lore.kernel.org/r/20220419103243.24774-3-broonie@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
This commit is contained in:
Mark Brown 2022-04-19 11:32:41 +01:00 committed by Catalin Marinas
parent 3f374d7972
commit 191e678bdc
1 changed files with 4 additions and 0 deletions
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4
tools/testing/selftests/arm64/mte/mte_common_util.c
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@ -37,6 +37,10 @@ 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 at pc=$lx, fault addr=%lx\n",
((ucontext_t *)uc)->uc_mcontext.pc,
addr);
return;
}
/* Compare the context for precise error */