From: Mark Brown <broonie@kernel.org>
To: Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will@kernel.org>, Shuah Khan <shuah@kernel.org>
Cc: Joey Gouly <joey.gouly@arm.com>,
linux-arm-kernel@lists.infradead.org,
linux-kselftest@vger.kernel.org, Mark Brown <broonie@kernel.org>,
Shuah Khan <skhan@linuxfoundation.org>
Subject: [PATCH v2 2/4] kselftest/arm64: Log unexpected asynchronous MTE faults
Date: Tue, 19 Apr 2022 11:32:41 +0100 [thread overview]
Message-ID: <20220419103243.24774-3-broonie@kernel.org> (raw)
In-Reply-To: <20220419103243.24774-1-broonie@kernel.org>
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>
---
tools/testing/selftests/arm64/mte/mte_common_util.c | 4 ++++
1 file changed, 4 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..5327aa958171 100644
--- a/tools/testing/selftests/arm64/mte/mte_common_util.c
+++ b/tools/testing/selftests/arm64/mte/mte_common_util.c
@@ -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 */
--
2.30.2
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2022-04-19 10:34 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-19 10:32 [PATCH v2 0/4] kselftest/arm64: Miscelaneous MTE test updates Mark Brown
2022-04-19 10:32 ` [PATCH v2 1/4] kselftest/arm64: Handle more kselftest result codes in MTE helpers Mark Brown
2022-04-19 10:32 ` Mark Brown [this message]
2022-04-19 10:32 ` [PATCH v2 3/4] kselftest/arm64: Refactor parameter checking in mte_switch_mode() Mark Brown
2022-04-19 10:32 ` [PATCH v2 4/4] kselftest/arm64: Add simple test for MTE prctl Mark Brown
2022-04-22 18:27 ` [PATCH v2 0/4] kselftest/arm64: Miscelaneous MTE test updates Catalin Marinas
-- strict thread matches above, loose matches on Subject: below --
2022-03-11 13:51 Mark Brown
2022-03-11 13:51 ` [PATCH v2 2/4] kselftest/arm64: Log unexpected asynchronous MTE faults Mark Brown
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20220419103243.24774-3-broonie@kernel.org \
--to=broonie@kernel.org \
--cc=catalin.marinas@arm.com \
--cc=joey.gouly@arm.com \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kselftest@vger.kernel.org \
--cc=shuah@kernel.org \
--cc=skhan@linuxfoundation.org \
--cc=will@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).