From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from SJ2PR03CU001.outbound.protection.outlook.com (mail-westusazon11012035.outbound.protection.outlook.com [52.101.43.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A9A084322EC; Wed, 12 Aug 2026 11:21:59 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=52.101.43.35 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786533720; cv=fail; b=nXwJmzyMW7T2t6U+uvbkoV5u/Oa20XO/0qn7g0VKBq86CBn0s08N8ZfxdVNi4fVPeJN9bV5fKkvi9JZOYmgJhPUkEMbIFDJoYJiCM4pPvtzaAbAy2EgFgS7kZbJI4Coh0e40/Y+QNiSW+G6gqV8Fzrq6isInwOOzd6HYjaj+6uo= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786533720; c=relaxed/simple; bh=TGk1ixv/4Xsxjm/SwXk091TqGoq8daaM4ISGhJYDHIk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: Content-Type:MIME-Version; b=SYWlPk+IVFpoxd+bZ50jupM3PveFfSX3rCj0aqdM+D+aoxyX2CHx5es+2+sz2or3TT346fv0AQtTFhIzFuzQJzQfLrW2AkKtgcGD9o5b82n1xfKMXomLie7M4uoyPamVVgtueyyCHG1f5T//16VAbudgpmevb9DSXPkASIFqs2w= ARC-Authentication-Results:i=2; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=nvidia.com; spf=fail smtp.mailfrom=nvidia.com; dkim=pass (2048-bit key) header.d=Nvidia.com header.i=@Nvidia.com header.b=AgppkvrL; arc=fail smtp.client-ip=52.101.43.35 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=nvidia.com Authentication-Results: smtp.subspace.kernel.org; spf=fail smtp.mailfrom=nvidia.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=Nvidia.com header.i=@Nvidia.com header.b="AgppkvrL" ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=X3BO0VkNFz3fiXneeO9qkw6xKzybW6+LZ4+z80C0l09Fysmc9GzZSoc6z8GVAoX5PYaomNTdyJ5y2EfALBbKGC7ojnpp77Gh1P9b+D8wIVSY90+p6pricq9DH7GOaqCeQV19USjEmM8ZEopHTayRxKEtsXiks4RA0kseqVFnV256PoWEB4D13cngTlmkiv1UPR66UMEM0iVASjiAjUuC6CmcQvFlJ+XPVih0p3SNtxMt3sSVMDAnopCwiCbtYZdyWFqPGDOcPYeGqYEzNoLHWi0MG79zJrIM+BNMpH05u2kxZFOkRrPdPDEVMkTYsT1rKqmWua8Yj8XuhnT4nMvaEw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=eouvKWGNQh96dmqUMkxqaJZQZC8igDESkQGRD0speSk=; b=I1lKPsj+zwcFjEEUM3W6nP6JS/6EbYNbCXjUuJjNhVpxNVB/jf0Eij0Wv7ppnZG/WUHfePZT3Ps6VG3zuhX8gmpRQUwifloM1umByaG8yAko3TWhbxA9LNf0Wj05lSMwlAy4Bt4ADFGMtHDX3pZfS5kzxP/TZUIUBcyB1Y2BRSUDEyP2abUcfNMxPZxLk3njYzABdlu3o9AfAZdD0MGa331r3tehZuS5ivn0Rv56IiqHBBMY1FyLwctyP4GFhKL8qUkwX2EX4IOeAjVslGhMIFDQDSpyoNZ8oNiedYc2a66BeC+L09m/nSEJKUdca/g9KaNrr1aMy3c2icqRJIrLMw== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=nvidia.com; dmarc=pass action=none header.from=nvidia.com; dkim=pass header.d=nvidia.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=Nvidia.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=eouvKWGNQh96dmqUMkxqaJZQZC8igDESkQGRD0speSk=; b=AgppkvrLPz3G51dBn35Dabif9eC98ia1RBOvHKzm+In4uSxVBaSSBrgn1pSRqpM1QxupM1fudnMX+9z7h2ir13LE4beC+DAgJwcYRdzoUKXdUJgkAGd+XLlTppL89+fZ+OtrjD+3A2IPJRGegAQb2pH83ZAl8KazPMbQPlt7rCD9ZeaqQrAHDLrS+zshxUt4Vf+YpbdHnx6trf9lkbEBD6VW+iky3ctiEK6rSYEpj0+zQchLOljg6Hng2kKndji2xRpetL2WQhOr1PkY1bWPZT+r1UgKU1BenxPNCkj++/Qb71LiHVqOXEliNalU0kjlvhpdkePDED1sAMJHO1Drow== Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=nvidia.com; Received: from BL0PR12MB2370.namprd12.prod.outlook.com (2603:10b6:207:47::27) by DS4PR12MB9748.namprd12.prod.outlook.com (2603:10b6:8:29e::14) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.21.315.12; Wed, 12 Aug 2026 11:21:56 +0000 Received: from BL0PR12MB2370.namprd12.prod.outlook.com ([fe80::86cf:c3ec:2cf5:74c8]) by BL0PR12MB2370.namprd12.prod.outlook.com ([fe80::86cf:c3ec:2cf5:74c8%5]) with mapi id 15.21.0292.024; Wed, 12 Aug 2026 11:21:56 +0000 From: Richard Cheng To: dave@stgolabs.net, jic23@kernel.org, dave.jiang@intel.com, alison.schofield@intel.com, vishal.l.verma@intel.com Cc: iweiny@kernel.org, ming.li@zohomail.com, gourry@gourry.net, rrichter@amd.com, linux-cxl@vger.kernel.org, linux-kernel@vger.kernel.org, kees@kernel.org, newtonl@nvidia.com, kristinc@nvidia.com, kaihengf@nvidia.com, kobak@nvidia.com, Richard Cheng Subject: [PATCH v4 5/6] cxl/memdev: Don't overwrite the error from an earlier partition poison query Date: Wed, 12 Aug 2026 19:21:06 +0800 Message-ID: <20260812112107.56181-6-icheng@nvidia.com> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20260812112107.56181-1-icheng@nvidia.com> References: <20260812112107.56181-1-icheng@nvidia.com> Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: KUZPR04CA0023.apcprd04.prod.outlook.com (2603:1096:d10:25::13) To BL0PR12MB2370.namprd12.prod.outlook.com (2603:10b6:207:47::27) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BL0PR12MB2370:EE_|DS4PR12MB9748:EE_ X-MS-Office365-Filtering-Correlation-Id: 2c0e6856-8401-4cc7-c5aa-08def863eabb X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|23010399003|376014|7416014|366016|10067099003|56012099006|11063799006|18002099003|22082099003; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:BL0PR12MB2370.namprd12.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(1800799024)(23010399003)(376014)(7416014)(366016)(10067099003)(56012099006)(11063799006)(18002099003)(22082099003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?5Z/uXzwnuQHj/oBVV4QUIpgKdZr4NXqWbiY4iD8eouGS2/6Ja2K1agzJI1Ae?= =?us-ascii?Q?xeK3/Yd+7sqW1rtYWZE/GYMHEhDEm8wewH9yGzcmW+dZ3oibZ5Va2AdKL9Gk?= =?us-ascii?Q?43maIYhopN4DdlQ+WFeEGumLgsWc/WQ/+EroCwTvI6vUHesYYrK2fVqnBFDA?= =?us-ascii?Q?9TlM4kOa2uMkRuct8KyVw/nJBHWODnEXN7ohfwJ7Tpmqe7xTjfmxBM53vw10?= =?us-ascii?Q?RX8JAwahlB8oxohRAp82JqJOxoJnrKvVlI5QKPNnll/CMTKcAcdVVTNWXsPB?= =?us-ascii?Q?CxD8hF9Em5jL2/Oqx9WULo3BNcJDWCN+I/lU65MU9tHa/5SeSZGRanoVzBZY?= =?us-ascii?Q?A9F3CKgm2QRL5JZGlRBt0fYVo6GK1mlk3DXWGKXfq8FvbSBii4sZcpczwHzC?= =?us-ascii?Q?R7JW+NkkLpAEdHWNWiisiTrJibxFr5ZUc12BBhkLr6FmGORjC7yfIzRCQF9Z?= =?us-ascii?Q?htoTTZiTKTwGKuzAIhHGZfH1J+lUVQ6FDFKeJL2wihnJ+J6DdOAWdLOLzo82?= =?us-ascii?Q?l+wXfuGi6Nt7URZN+pk2qMRZagWuyeypzaH55lih8Dfb29YN+BHIOO/UD9zr?= =?us-ascii?Q?0wDOh+AtfvyNLTJ9Hocglv6quS/zXFAaMfxuyS86an8++elMVa4C0G3i0kj1?= =?us-ascii?Q?ic5ae3VZIguY/MCpx0yxmfcw66EO/jXXZALwau5MAGA/VPjlqUiTdj4SHchz?= =?us-ascii?Q?1w4qNLuO3QzsMonL1jvnbcuqp9X2y0f/hOr4n/Ah4biuOcIoi0FY7RtBxTAs?= =?us-ascii?Q?kQ20xcw6CCT5l/Snqkl861D7QcPcTc6TRDMbsOEJnsTZaRXpuZfB+Xxil3p8?= =?us-ascii?Q?4R9PSQ3dOrYxDuAVl6E7wAB4aMX3pIJhskIvSsSnAFGx9x6PSaJu4h1/rQNQ?= =?us-ascii?Q?seYFXUyXYrSxiU6xJEiZoT/GiDajk0WMC4uKutJtafbnNTGb1/Q3oXoeGSHS?= =?us-ascii?Q?Yn+VEdm1C79Ej0QkktWh9Q1I4iIuKJxfq+coqy0q4ZrXBTz1KBUbUk+pEANU?= =?us-ascii?Q?DvoNYOUd0NG2D8/1CtZ9WVhfBkDQnz8EKmudQirweh3+BlOAUS+WRebILh8p?= =?us-ascii?Q?+g+6/fwKIwCs8Dp0BCPgD6tojNDVFMXyZos2ig38T8HxxJqJuidezelooV5Q?= =?us-ascii?Q?GgJVu2s+1b/Q44qI7IrI6FUjDQJIKkjWFPLBtyP1K/dquyhbEnG6TRxDJSRX?= =?us-ascii?Q?mY9EvH4JPA97D+b9Zd3Axh2M6gqj3o+sw6oEXgGY9ydjSI5PXMopyrb7nb9M?= =?us-ascii?Q?0Px9+HvB+Stw77xqlD/yyxVdSaav4HBIKNC+Orv8jDolKmlFNqnYPvisb2Zl?= =?us-ascii?Q?QOzuZSNZKNMrzNSmOQzeGOWZmhYikUrHfVz5qTAt5RQS1oKYS3Ar9Ihb+zhX?= =?us-ascii?Q?G8rmXs9VrAIbiOCMnIdCA0GrckF1pjUOw0Ml+pQCKKeoPrZNiGUQpafBn3lV?= =?us-ascii?Q?SRzG2FMPzh6vBUx87C2m5ZNBBvu0oKpakegrz21zQcEx9TKPivBB4GFxcRRX?= =?us-ascii?Q?7dGWkxpmSWP19iBeDUMhu3dTwFVEa6HMcS/z+L9mRXzK93CCJjLvLJP/TZZb?= =?us-ascii?Q?ZJ5S5pd8FcBWjJJbc84jwTkmr1d13UYPmjbkkMNeXpDoTcZA4FdKf4Vx2q6/?= =?us-ascii?Q?x6eMKG1PtULK9mc1YuT0aa/+7ZXJZ/2XCM1b0o4Yuhdr14bO+z9Qg1yZhA8u?= =?us-ascii?Q?44l8MXzkbE47UfrbKGSjPz9eKilL0SbAQCarLSr8V7EwgL5LDGXx/HMegAVU?= =?us-ascii?Q?cOuWh0/olg=3D=3D?= X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-Network-Message-Id: 2c0e6856-8401-4cc7-c5aa-08def863eabb X-MS-Exchange-CrossTenant-AuthSource: BL0PR12MB2370.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 12 Aug 2026 11:21:56.1009 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: +1aYTtavzTzYG8NmaPLOyT9d/SrncJ5HHPRXu6P53jD+BKzyMOymO6JIxL1KPaa4oCLvfevhWAv1HMyMZEStzw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS4PR12MB9748 cxl_get_poison_by_memdev() queries Get Poison List per partition but never checks the result inside the loop, so a later partition's success overwrites an earlier partition's failure and the whole scan reports success while that partition's poison went unlisted. Before the loop conversion the PMEM query returned early on error. Stop the loop on any error not already tolerated as a RAM -EFAULT. Fixes: be5cbd084027 ("cxl: Kill enum cxl_decoder_mode") Signed-off-by: Richard Cheng --- Changelog: v1->v2: - New added patch ( sashiko-bot's report ) --- drivers/cxl/core/memdev.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/cxl/core/memdev.c b/drivers/cxl/core/memdev.c index b3419df586b9..e39b3d13fd56 100644 --- a/drivers/cxl/core/memdev.c +++ b/drivers/cxl/core/memdev.c @@ -231,6 +231,8 @@ static int cxl_get_poison_by_memdev(struct cxl_memdev *cxlmd) */ if (rc == -EFAULT && cxlds->part[i].mode == CXL_PARTMODE_RAM) rc = 0; + if (rc) + break; } return rc; } -- 2.43.0