Commit 191e678b authored by Mark Brown's avatar Mark Brown Committed by Catalin Marinas
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kselftest/arm64: Log unexpected asynchronous MTE faults 



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

Signed-off-by: default avatarMark Brown <broonie@kernel.org>
Reviewed-by: default avatarShuah Khan <skhan@linuxfoundation.org>
Link: https://lore.kernel.org/r/20220419103243.24774-3-broonie@kernel.org


Signed-off-by: default avatarCatalin Marinas <catalin.marinas@arm.com>
parent 3f374d79

tools/testing/selftests/arm64/mte/mte_common_util.c

+4 −0
Original line number Diff line number Diff line
@@ -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 */