From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wm1-f47.google.com (mail-wm1-f47.google.com [209.85.128.47]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id EFABB364943 for ; Mon, 13 Apr 2026 17:26:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.47 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776101207; cv=none; b=d9VAuld8ftbpXOzu6sApXeAVC2jIQO2eJVtTNi0Fw4n+84sfkBS14r9BoO0Onfq4SUWDoPOxyrVsE2VdUYQUCunsepQNjp+FuP4BQ6HJuc4NudtdLhgFAwk2A2IhAri1jod1h9F5ijAZW2kBtO6zz+mWhkROtK0Wv3sA2nX9J7o= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776101207; c=relaxed/simple; bh=6ReFlyvGzXzUCafoIGtDH3q4ySU8bPRHczfokrsszrs=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=CIHko5JS9etB6aFsj4bKyW7VXq44yall6rU8Rz3KScWrX5Ylq/oeY/44SuL4AlGhLBKI6CLB5e8+vHJvtLPHqy6CvL1rsfpUr6hVj4h/J/hJNde4RKfqciFiB27lIEzk4XZkwKSIz2D2X/GFKpY1MwgoGxB4LbcP1PajNxPgbc8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=suse.com; spf=pass smtp.mailfrom=suse.com; dkim=pass (2048-bit key) header.d=suse.com header.i=@suse.com header.b=Gc9Fi0E9; arc=none smtp.client-ip=209.85.128.47 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=suse.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=suse.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=suse.com header.i=@suse.com header.b="Gc9Fi0E9" Received: by mail-wm1-f47.google.com with SMTP id 5b1f17b1804b1-488a041eae5so34535135e9.1 for ; Mon, 13 Apr 2026 10:26:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=google; t=1776101201; x=1776706001; darn=vger.kernel.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=f+AJJ/Q5Rc6YFzJLqVkyhH/nYiW7ogrRYDhpSnoYYWk=; b=Gc9Fi0E9t57eYIQRnNTVd8PorF6UoOOJse0B/hFk7W3mwfmG1S9VgHaM79fRi0xC9U WQeIzvVZPwBUz9+OtgElLvwqRxYHhMBiT+R0tZW77WFmA9nJ5sdrSi60ldz2sLm9gl9H 5PExFGfzEAVnBIDG/+f8IpfGMBfEVKGdYf5YEhgjlD+jHLdGwA4IRMVecGk9aKrywwuz 6rSHJzMEfl2AX4NabrD3I4WzpbiR3P3J2MjFDTl9RzFdtcqvbP75is5Pk3AcngkCIq2J 8v4l+fr0Nb4ghMH1ut9DOcnPBnvknm0Zu4SG5oN0boyj3G6N6pBKB+g8KsaxC2GqyUna wQKA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1776101201; x=1776706001; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-gg:x-gm-message-state:from:to :cc:subject:date:message-id:reply-to; bh=f+AJJ/Q5Rc6YFzJLqVkyhH/nYiW7ogrRYDhpSnoYYWk=; b=U3wrKQzaBqmBFknoiRW6yMhAWpDUu0LCS/DfbUEfBFUnF77qDtQxXbtzvEJSpuuOtQ gWNXXhgmlDqcwBxUqO658cXpLaKxeikgd4U0pZPq2izx5LwEAa3HHuwTfw1vC6XlFmf6 VFpQA42Qb9dSHfobji3OUw4s9LYKiBUreKGzNPuAkRaXoiahRG8MpwcVIiBuYu6EBf5L dw4p0LRYV5P5R79eEkPQGpNzI5sc9b+AE1ebsdIVQCs5JQqo9ElpeSyF29SLQ3uOTn/Y 75f4fZhhJGgqlW/VCbx8ROwsU00rOs6ODSlmW5nEkrQjPYvoxPW4iYu9PjVSaM5zfr7V 8h6A== X-Gm-Message-State: AOJu0YwAuTQEeXHqXmdOL8NZsHuCa0ufzDBdkPbOA9KZk1mexIcStv9E BnBPgmhzJ7GBzWWTOc4dJVQuUnlP/pP+M5F9SwCPOPuP7VrRYTZttthZgvVd2Ty8XSZa0/qowRY mTTWrzP8= X-Gm-Gg: AeBDietxpWscF5Z545AjreByFevB9llFsFYG9aOmQaf0gxWvVEpQMnsp/W4GKe372hG qiLxa9TQ7npswNySbv+i7UKUFDsOs2if9wX5jVT2dIaOOb7DL8QiCv5g1ul5cODqsiZj36NfMn5 W68CGe/K4buZNPEy9wtl02jUpcqMF6nDfNa9sWKrilXgUtnCJFY/ex5wqmQKhq5u57w8/CgzdUA HZY6ruBlg0fOPWIW/Kt5kH9GKcsl1K7/Ebit7F8AV2x+qQDjpr5/A5TjqMw+45GXNQd4+vkOQhF RjR/Gj9/hD4OBrWj5LPPQBuW6NjsvT63QftZhGq7IvdRegzP3FrNNUQhaH8bfzw2/if0cuqnSqb Hz3euuak44nQsKXRA/OZBNWmJqzi0OolVQ04yBOyP0UWkXtvz6g7uf8DDE6u4SqBRExSyM9kTU3 DOR0aNA9o67qR4n3TVu4i9tb0VMPBPJWxKUQ== X-Received: by 2002:a05:600c:800f:b0:47e:e2eb:bc22 with SMTP id 5b1f17b1804b1-488d67b8d81mr189094775e9.5.1776101200774; Mon, 13 Apr 2026 10:26:40 -0700 (PDT) Received: from [127.0.0.1] ([2804:1bc4:224:7800:585c:db3a:fcb:e21f]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-488d5734a94sm298657835e9.0.2026.04.13.10.26.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 13 Apr 2026 10:26:40 -0700 (PDT) From: Marcos Paulo de Souza Date: Mon, 13 Apr 2026 14:26:17 -0300 Subject: [PATCH v2 6/6] selftests: livepatch: Check if stack_order sysfs attribute exists Precedence: bulk X-Mailing-List: live-patching@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260413-lp-tests-old-fixes-v2-6-367c7cb5006f@suse.com> References: <20260413-lp-tests-old-fixes-v2-0-367c7cb5006f@suse.com> In-Reply-To: <20260413-lp-tests-old-fixes-v2-0-367c7cb5006f@suse.com> To: Josh Poimboeuf , Jiri Kosina , Miroslav Benes , Petr Mladek , Joe Lawrence , Shuah Khan Cc: live-patching@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, Marcos Paulo de Souza X-Mailer: b4 0.15-dev X-Developer-Signature: v=1; a=ed25519-sha256; t=1776101176; l=3509; i=mpdesouza@suse.com; s=20231031; h=from:subject:message-id; bh=6ReFlyvGzXzUCafoIGtDH3q4ySU8bPRHczfokrsszrs=; b=7mb/+qSN7QPVFL9r2CbQslH6NyjmQ1Kc3ZDLHqKzrykSfcBDIlOcpMSrm1KgYWMdNt6lKLlKV b/sxwXOmmChClWXI5E7SRC0KLvJ4n/sYBv24cbOkC4xQ18AFQOw06rJ X-Developer-Key: i=mpdesouza@suse.com; a=ed25519; pk=/Ni/TsKkr69EOmdZXkp1Q/BlzDonbOBRsfPa18ySIwU= In order to run the selftests on older kernels, check if given kernel has support for the attribute. If the attribute is not supported, skip the checks. Signed-off-by: Marcos Paulo de Souza --- tools/testing/selftests/livepatch/test-sysfs.sh | 43 ++++++++++++++----------- 1 file changed, 25 insertions(+), 18 deletions(-) diff --git a/tools/testing/selftests/livepatch/test-sysfs.sh b/tools/testing/selftests/livepatch/test-sysfs.sh index 0cdaeef00983..77f515529646 100755 --- a/tools/testing/selftests/livepatch/test-sysfs.sh +++ b/tools/testing/selftests/livepatch/test-sysfs.sh @@ -10,6 +10,7 @@ MOD_LIVEPATCH3=test_klp_syscall HAS_PATCH_ATTR=0 HAS_REPLACE_ATTR=0 +HAS_STACK_ORDER_ATTR=0 setup_config @@ -23,8 +24,6 @@ check_sysfs_rights "$MOD_LIVEPATCH" "" "drwxr-xr-x" check_sysfs_rights "$MOD_LIVEPATCH" "enabled" "-rw-r--r--" check_sysfs_value "$MOD_LIVEPATCH" "enabled" "1" check_sysfs_rights "$MOD_LIVEPATCH" "force" "--w-------" -check_sysfs_rights "$MOD_LIVEPATCH" "stack_order" "-r--r--r--" -check_sysfs_value "$MOD_LIVEPATCH" "stack_order" "1" check_sysfs_rights "$MOD_LIVEPATCH" "transition" "-r--r--r--" check_sysfs_value "$MOD_LIVEPATCH" "transition" "0" @@ -39,6 +38,12 @@ if does_sysfs_exists "$MOD_LIVEPATCH" "replace"; then HAS_REPLACE_ATTR=1 fi +if does_sysfs_exists "$MOD_LIVEPATCH" "stack_order"; then + check_sysfs_rights "$MOD_LIVEPATCH" "stack_order" "-r--r--r--" + check_sysfs_value "$MOD_LIVEPATCH" "stack_order" "1" + HAS_STACK_ORDER_ATTR=1 +fi + disable_lp $MOD_LIVEPATCH unload_lp $MOD_LIVEPATCH @@ -150,33 +155,34 @@ livepatch: '$MOD_LIVEPATCH': unpatching complete % rmmod $MOD_LIVEPATCH" fi -start_test "sysfs test stack_order value" +if [[ "$HAS_STACK_ORDER_ATTR" == "1" ]]; then + start_test "sysfs test stack_order value" -load_lp $MOD_LIVEPATCH + load_lp $MOD_LIVEPATCH -check_sysfs_value "$MOD_LIVEPATCH" "stack_order" "1" + check_sysfs_value "$MOD_LIVEPATCH" "stack_order" "1" -load_lp $MOD_LIVEPATCH2 + load_lp $MOD_LIVEPATCH2 -check_sysfs_value "$MOD_LIVEPATCH2" "stack_order" "2" + check_sysfs_value "$MOD_LIVEPATCH2" "stack_order" "2" -load_lp $MOD_LIVEPATCH3 + load_lp $MOD_LIVEPATCH3 -check_sysfs_value "$MOD_LIVEPATCH3" "stack_order" "3" + check_sysfs_value "$MOD_LIVEPATCH3" "stack_order" "3" -disable_lp $MOD_LIVEPATCH2 -unload_lp $MOD_LIVEPATCH2 + disable_lp $MOD_LIVEPATCH2 + unload_lp $MOD_LIVEPATCH2 -check_sysfs_value "$MOD_LIVEPATCH" "stack_order" "1" -check_sysfs_value "$MOD_LIVEPATCH3" "stack_order" "2" + check_sysfs_value "$MOD_LIVEPATCH" "stack_order" "1" + check_sysfs_value "$MOD_LIVEPATCH3" "stack_order" "2" -disable_lp $MOD_LIVEPATCH3 -unload_lp $MOD_LIVEPATCH3 + disable_lp $MOD_LIVEPATCH3 + unload_lp $MOD_LIVEPATCH3 -disable_lp $MOD_LIVEPATCH -unload_lp $MOD_LIVEPATCH + disable_lp $MOD_LIVEPATCH + unload_lp $MOD_LIVEPATCH -check_result "% insmod test_modules/$MOD_LIVEPATCH.ko + check_result "% insmod test_modules/$MOD_LIVEPATCH.ko livepatch: enabling patch '$MOD_LIVEPATCH' livepatch: '$MOD_LIVEPATCH': initializing patching transition livepatch: '$MOD_LIVEPATCH': starting patching transition @@ -216,5 +222,6 @@ livepatch: '$MOD_LIVEPATCH': starting unpatching transition livepatch: '$MOD_LIVEPATCH': completing unpatching transition livepatch: '$MOD_LIVEPATCH': unpatching complete % rmmod $MOD_LIVEPATCH" +fi exit 0 -- 2.52.0