From patchwork Tue Apr 19 10:28:06 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mark Brown X-Patchwork-Id: 563622 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5AFBCC433F5 for ; Tue, 19 Apr 2022 10:28:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1350714AbiDSKbL (ORCPT ); Tue, 19 Apr 2022 06:31:11 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57430 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1350693AbiDSKbE (ORCPT ); Tue, 19 Apr 2022 06:31:04 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 31DAD2898F for ; Tue, 19 Apr 2022 03:28:21 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id C455CB816A9 for ; Tue, 19 Apr 2022 10:28:19 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id AA753C385AD; Tue, 19 Apr 2022 10:28:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1650364098; bh=kEQALFvVnF2JUNgXMicTSPE1AfxRggwyPGzRYL7rWak=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=AVUUa4pu9E6mwdXErABgjCbVsHFBIf+lqXnDu8aV3tWuL3+7wt26XyA3o9UjO8o1C G+dpHwoTpJ1CIaqQuma+B6JWqUkEaUMJ5kZCyyBEuMg4gLckXqlbWDLn8pfjvyEB3l IfhKfOuiWsi1YxI6NefzjW/xJMTq2rVvh0ChuL53JooUJ0y7jXOfkCVGE8fFijmvvG K1lM0p9PUW9lO13ekPku2Z/PbsH5Qp+NOqB+nrCEeKc/acLdF/wBYu2jYrbEECGX3g hDHuMR6DIEUf6nnP/IOOE+6kI3R763oFXttSIE6pIxnunxG2w2BKTKx+9mTmupCMkJ zZ9JmBA5Rv8Ug== From: Mark Brown To: Catalin Marinas , Will Deacon , Shuah Khan Cc: Joey Gouly , inux-arm-kernel@lists.infradead.org, linux-kselftest@vger.kernel.org, Mark Brown , Shuah Khan Subject: [PATCH v2 2/4] kselftest/arm64: Log unexpected asynchronous MTE faults Date: Tue, 19 Apr 2022 11:28:06 +0100 Message-Id: <20220419102808.24522-3-broonie@kernel.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220419102808.24522-1-broonie@kernel.org> References: <20220419102808.24522-1-broonie@kernel.org> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1041; h=from:subject; bh=kEQALFvVnF2JUNgXMicTSPE1AfxRggwyPGzRYL7rWak=; b=owEBbQGS/pANAwAKASTWi3JdVIfQAcsmYgBiXo6zoXEdRQ7/5KuVtfTwYvHv3UfBHnjTUblpso4O pdkhaOOJATMEAAEKAB0WIQSt5miqZ1cYtZ/in+ok1otyXVSH0AUCYl6OswAKCRAk1otyXVSH0CYsB/ 4yg3XLQWrKNXRYskaKjqaughEIXjxKjXRlZ3Tbye6UQGVa5W0djBpbJWhNfTfsjHYHPBhxrFAB4NK1 8/xa9Oa6jdRYdLfhYz/aOId99aUfEiPo0bDUHp68MjNJ9jCFDUx2GBp88IuaZs952ezj8u2KuiUtO7 t5iT60TttMnncnIxp5YoYJIr1kY8G21TgEwxSKHd0SE0ESpaYFgteg1onqYVjfoE99TK++DxabiqDr pzaodhf/AwOR6aHb8JZ15BmqsJ3IgoJEoK1B7mWYnb0nPnX+VvPKQ4znu7o+g77Tn3UM2us/wwmrim 7Z2iYj2NHVx59r9Sh5EkKb/tdp4/ca X-Developer-Key: i=broonie@kernel.org; a=openpgp; fpr=3F2568AAC26998F9E813A1C5C3F436CA30F5D8EB Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org Help people figure out problems by printing a diagnostic when we get an unexpected asynchronous fault. Signed-off-by: Mark Brown Reviewed-by: Shuah Khan --- 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 */