From patchwork Tue Apr 19 10:32:41 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mark Brown X-Patchwork-Id: 12817740 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 40452C433EF for ; Tue, 19 Apr 2022 10:32:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1343729AbiDSKfi (ORCPT ); Tue, 19 Apr 2022 06:35:38 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37758 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240529AbiDSKfh (ORCPT ); Tue, 19 Apr 2022 06:35:37 -0400 Received: from sin.source.kernel.org (sin.source.kernel.org [145.40.73.55]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 17FC929CBE for ; Tue, 19 Apr 2022 03:32:56 -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 sin.source.kernel.org (Postfix) with ESMTPS id 72EDECE1767 for ; Tue, 19 Apr 2022 10:32:54 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id F2F9BC385A7; Tue, 19 Apr 2022 10:32:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1650364372; bh=kEQALFvVnF2JUNgXMicTSPE1AfxRggwyPGzRYL7rWak=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Pvl787b5m/ia7Bbs9L7/caC0DCE6h88rvWm92C6AH7V9FOyeTBkr44zlpZMkZeGvA sUl6OCiG9cc6SU5eimK2qfSoj0u6pE3YAHharL4QrHtRBv8x19Ei3+ZFoGR0OanjR9 SNfhKDdTs+5FDReNz5MhxQqVRf/URGQGr8cKapjOXjbWaGLZ9XwbI7y8BvP87feLgI /6b+w+dWuTeJLJxtEr1/2nv0FdJNAIEqeKlI7SzWRTAC1TdEyrcgOG0eESnrLq8RK1 +n/cO1R5IR3o5oSXUGdajvrZUD+0Gf4DazppMS8IcKjGSVC+zXNTuvCMbdXPHVpIYo 4vnYEp0xmMoTw== From: Mark Brown To: Catalin Marinas , Will Deacon , Shuah Khan Cc: Joey Gouly , linux-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 11:32:41 +0100 Message-Id: <20220419103243.24774-3-broonie@kernel.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220419103243.24774-1-broonie@kernel.org> References: <20220419103243.24774-1-broonie@kernel.org> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1041; h=from:subject; bh=kEQALFvVnF2JUNgXMicTSPE1AfxRggwyPGzRYL7rWak=; b=owEBbQGS/pANAwAKASTWi3JdVIfQAcsmYgBiXo/IoXEdRQ7/5KuVtfTwYvHv3UfBHnjTUblpso4O pdkhaOOJATMEAAEKAB0WIQSt5miqZ1cYtZ/in+ok1otyXVSH0AUCYl6PyAAKCRAk1otyXVSH0ENmB/ sEH5L2Gb81E4Zc+o+Zonzk1+7cy9yubPvybNq4KN71HJjv1KziAWp2q+TKhpolWzlAZIVjWduQvhFJ AjXpvvisQHYS6Dv66i/12uIVvAJTwUb10bmXGlWaBya89cFWcG6kn2MvISBF5ntLsBEP70nOMMbByz VpVKe4835BWhDZaMOpnXSmYYrG57IKrBNiw8HEvshF/MM6pTtx5KfmPcjZXDh7iwcjgJyYXTWVvWBE TCC999Djr3q2ePjduzHNcssXFsNMfsMo7l4zYqccAvhR5liN+4i7cT6ZHbYhyDNjwaZQP6FQ5mCy4k 19eVHv5vScvn9JmSm7jdGZAbqljhIt 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 */