From mboxrd@z Thu Jan 1 00:00:00 1970 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 16B55CEE343 for ; Tue, 18 Nov 2025 18:57:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:MIME-Version:In-Reply-To: Content-Type:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=HS5c4SN0qrEXKOvXjk4zEfVebhWODtCjti6INcAIBYo=; b=STyOANVxD1mtYc7V5MQfG63Y4m hzcledZCjOCEx4s86dQfgknGBX5pqp5Ms6sSY8Epks+BZDQSrffpXg2CPoetR7Gui/d4D9Vkg2clk n6GGYKOM8v+j3DqCeVHw3ecBZPsTE5v0P01UhRlBAQXco0piqI+sAzEqWCiNVr/MSN37Zfq9aduXX T5ohNtNGvexO+qgRujnvah33u2J1awoTJbW30Xo3IyH+rK1bQuC5SaKgbRt/b415Kc3bl6qY5JGvy 40e1omZ2Dk/axz2YJRk2iheGov1vzSyAuyzjhUmWwSH+b60RnCyTMUFG/36+CwaYTYhaLRbPBUYpZ HbfYSIMw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vLQtD-00000000zF3-0oFr; Tue, 18 Nov 2025 18:57:19 +0000 Received: from mail-northcentralusazon11013017.outbound.protection.outlook.com ([40.107.201.17] helo=CH4PR04CU002.outbound.protection.outlook.com) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vLQtA-00000000zEJ-1T1D; Tue, 18 Nov 2025 18:57:18 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=r8eOtKLztw4CWVIRbU24dpzAqYo9prdzcRtNWw2qye6cs4dRBJ9pg5VnaDlRlkyRKckFwNpqydZT3vLhSwHfcgrNiAJVfa/R1grUf4A7tabczQ3OqcG4Qrtycyenrm5zSZPc9DjgjdDGEL3WziE8PM/dRuvL5C2ClcpKOWLswr9zfhb8iZ/V8FLGNFtjGcx0K+7IzOFE/Ce+twITeo5PVzuNrnSwRJQ+VSNIIkDPMljX8fbK/CHxwVihn1dpCSISUB9GGoDmvK6boHIXVCqh19YgJzvnx800EtpX3sPE7SoW1392v8eF/4SVkd0Gv3tDGqpN/ptif3hyohmzzymv6w== 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=HS5c4SN0qrEXKOvXjk4zEfVebhWODtCjti6INcAIBYo=; b=RI3ZtCFcbDGZm1SR/ceHbjlrIGqp0Ezp5tivYEE9a78NRome4gcQC+qOFacIabLd1zGqI9CjKdKL+L5Ufg2a4JCoP6rxDBcve8wo0xHUSQ5L0PHdsVGB8+lDK9ZkcKCQP3Fi+jomjst+MRQfxzBLD0ezhuY3SU7KH06iuxvpAvEFluah9yyGyeGLpCMmKEW8l0cbvEtldQvMY+cGw4tqBz+bvAJ03S63kL9vNyEXYZSIWfKXT55r8v/cqBhYniBGyC5muQ+uTgIyctsO+RpQ9RiOJtaftuW0zFTIrjVdz+RFzpxHlt+WG7LvzetgoDrnZqTxGcnn5oOIbnDGBu14ow== 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=HS5c4SN0qrEXKOvXjk4zEfVebhWODtCjti6INcAIBYo=; b=huLBXrs63UAqvQKpljIiBvl/C69Q8pXin6Zf+9pibF+ntCX5TJpo3HfHQhERau4adcq+8I37IlM+w4vrULM4LqjfIz8thYw67rG4ipvom77rl9ZfPVeYLH2TqjNyp5A2jBzD23XCi05JvwDjT97TAt4S6fq4mDIGE5jr2rlzguhtpZuqaQ8YGR7RI6bIrE6cB7cxCbaOeIObrQ/nFlI0YD8afRiU4joLb+Z/b0ureZz6+XCbSMETwscGS0DJGw6UOQUm5VemCb9cKBTlchRiCKZ/XB0mjuM+s1eoJajkipGguPngLU7DN8cNXDk39zi/BybJpEHoEomRTKSDmfjzzA== Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=nvidia.com; Received: from MN2PR12MB3613.namprd12.prod.outlook.com (2603:10b6:208:c1::17) by MN0PR12MB5931.namprd12.prod.outlook.com (2603:10b6:208:37e::7) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9320.22; Tue, 18 Nov 2025 18:57:09 +0000 Received: from MN2PR12MB3613.namprd12.prod.outlook.com ([fe80::1b3b:64f5:9211:608b]) by MN2PR12MB3613.namprd12.prod.outlook.com ([fe80::1b3b:64f5:9211:608b%4]) with mapi id 15.20.9343.009; Tue, 18 Nov 2025 18:57:09 +0000 Date: Tue, 18 Nov 2025 14:57:07 -0400 From: Jason Gunthorpe To: Vasant Hegde Cc: AngeloGioacchino Del Regno , Christian Benvenuti , Heiko Stuebner , iommu@lists.linux.dev, Jernej Skrabec , Joerg Roedel , Leon Romanovsky , linux-arm-kernel@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-rdma@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-sunxi@lists.linux.dev, Matthias Brugger , Nelson Escobar , Rob Clark , Robin Murphy , Samuel Holland , Suravee Suthikulpanit , Chen-Yu Tsai , Will Deacon , Yong Wu , Lu Baolu , patches@lists.linux.dev Subject: Re: [PATCH v2 2/3] iommu/amd: Don't call report_iommu_fault() Message-ID: <20251118185707.GP10864@nvidia.com> References: <2-v2-25fc75484cab+ab-iommu_set_fault_jgg@nvidia.com> <93fd05cd-b227-42ab-8d96-7873a830e6be@amd.com> Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <93fd05cd-b227-42ab-8d96-7873a830e6be@amd.com> X-ClientProxiedBy: BN0PR04CA0007.namprd04.prod.outlook.com (2603:10b6:408:ee::12) To MN2PR12MB3613.namprd12.prod.outlook.com (2603:10b6:208:c1::17) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: MN2PR12MB3613:EE_|MN0PR12MB5931:EE_ X-MS-Office365-Filtering-Correlation-Id: cf88df78-6100-4ce1-7b97-08de26d4465f X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|7416014|376014|1800799024|366016; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?ZMz2RHz4zuTZs5mVMwV+ZxTljninvhzddO10LUR+rEm85Qh1QaWVgMdtEYGz?= =?us-ascii?Q?QBmT5AIuWT+CJQ+tyN030LzeN9EgjkO8MXY08VOIBmquMN4Je4gL5lyWgR5+?= =?us-ascii?Q?Yz2N5WLNWoxVIDgosJdc4XrEnrg478LXRBDagM9trz0zxYhD951pn04N0Afl?= =?us-ascii?Q?AdZhMKxOfp33YLfJjfYFKR62QgykLLvAJn8rHIW5ijWJ3xZ+g3bkBrviAaQt?= =?us-ascii?Q?rfGXrNbwT/priYYTnXZpmG1x+6XiP5ns4uEqihcZ1HRDdG1infUpYGvZp0mZ?= =?us-ascii?Q?6dkETs2W8qeIVhD3rvPxWp04uefp8l62FzyP/l3y+mGF+e6sAfR53emHlAFb?= =?us-ascii?Q?TbsENa5TRqR7LTbTGDcg3S9etMl5XdByj0XVsF+P1jqCnxUW9aF99O06cbsx?= =?us-ascii?Q?4wrBHEcaBTtR8K2sQrQPmwU/y9kndGR3nhgPvGmCoD+Xf19vzOaYGsa/M7ud?= =?us-ascii?Q?vsg3yOnz95LNPufPWKKpP1h2qIP7ZbiHuZ5vVocPOCvkkuT7YrU7ERelFbi9?= =?us-ascii?Q?ryhUmq6bhZdLIQa1FI6J2JyHZOBrKOCRBNqLejueRJu9OiD/k9Je1eD19mwu?= =?us-ascii?Q?5w9WFfVGDlumXmtqws0Kx1PlirIPEzGFi3XXuJTi/PXXeumnt+A1l0jsJ0o5?= =?us-ascii?Q?OOzvkB2lR0d33gbPfK3c2W9BXB25feg0mD0niHIlZf4fwGXbyxQ4ydXwnpue?= =?us-ascii?Q?LyguSkNAgduKliYRjeL0HguJ37E9tkSWwAsfcp5fCk/xEUcmNKOjdk13b7C0?= =?us-ascii?Q?GlQfLLs+jjBMsUz2v770AgnYoeShsJdGneRzw+qL28NctSVFP+XYkmPsXIWW?= =?us-ascii?Q?l9B71xX8ca8A6G8HOlrqAUf8CFlt7ViPndXlsVH1Yg8Uivsfw4QRJX0HLZiu?= =?us-ascii?Q?CS3CokBLmZrom29t7bW1nT63NfNEonySLHyqBi/7xj6LGQQqk1mBaZsJiEoO?= =?us-ascii?Q?PvBhHNlFLyr68hgLOp3GTF62wTygxC0jgjA/tXOTZLfqoqHKXSMag6xDSmHq?= =?us-ascii?Q?Tcd93q69R1PEg+LFIAVUhTk1wSxA+SbnBFhIB6iRyZL66+iFm+PUY5iVlMtd?= =?us-ascii?Q?Ee1alo9uWdPDN7OtRdT1k9GRXF/A0OYxWxueq/NnRoRl1PAALg4b3fH0bVTN?= =?us-ascii?Q?bOU2flsh7uRg3hOukMpG1CHGLBOetuhwIbMuybqydHJPpDM9V+JlQBN7Jj8a?= =?us-ascii?Q?A+LwHJdHPhfFngzZyYNjZeVvbFUwZkQKH2EsQh3YhSA/h1CsLhCgHJdYnwVL?= =?us-ascii?Q?qGmeZlywdzR5qMi95aAhthtLlowuLyqDyx44ZcTZr6STU+Caxd//x63fjl2Z?= =?us-ascii?Q?/tn5YqIQm/MxUDpqjEbRBGJ+XHiVxvb+8pWLCeKG62ZV504t5ObyEvcod35v?= =?us-ascii?Q?2S7bkG/TmJwCtgTnSKW76+X86T1j+aRkM4Yy5vxdmSkon4temU5R9RUwEy7x?= =?us-ascii?Q?xkxcc9ElUQEg3ddDCpc0QcV2FmsDW4pA?= X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:MN2PR12MB3613.namprd12.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(7416014)(376014)(1800799024)(366016);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?HP919l8CaL4ygB3XWgozthi81rhjwaE2Zy8AYaQ/gp5s/d8ZlV/ze57E7VOU?= =?us-ascii?Q?Nk2BDuV1u5AuNlyj4JwaV+KhTzx5wpmrNUAgge4aL2ppzq+72/w0kTR4vXMJ?= =?us-ascii?Q?dqxSUtETULumuGAeMuHXNETLnHSulA532m4a8Uc2zjLYj4yfiRAeVoG1gRFj?= =?us-ascii?Q?+n8SHoD0AVaiQLCHk6BYCf/S6RF1Z8Mw6EvAJ+K3V3s7dKRkKGopV0y80EvT?= =?us-ascii?Q?Hk4T4bPbzxrCOw9fA79Xu18v7LA6Gly26gn9iSSPELzn3wsodb5wnbbC/GW2?= =?us-ascii?Q?lOvlyT7emFboE1/JjbmzAGDRbfxNQ8oLhAxPJAJQGGXpv/BT+vRreQ9o5Dwq?= =?us-ascii?Q?Hl2HxnKta0WLZ3DqSJzsWcaysFLp7+GJFP4CVx6jiQk/iJc34ts6hZPYev/c?= =?us-ascii?Q?1z1JpBC12DxnuXD9EpOLopJ7uJpy1khqp8r+exHtgilKTqqNXHGIHYyL1Ppn?= =?us-ascii?Q?DOYixF3kp8YYK3Ln0sZeg5bgHvAPc6wixicT42A0Zhyn3eg8ffdifESRr65W?= =?us-ascii?Q?miwjQmMk3zcCysl4YvX93kLP6f0oARqXsEuwp509LKWI/7z2aRKkZBd8eBsj?= =?us-ascii?Q?+aRlCldUSap3w+gO34AavC/U2QyiEqSDX/hZHnn846fgwkfxQ4m98CcObseZ?= =?us-ascii?Q?XsTPSMqCnLu+oOl0hOW/hTH/yyFXbDOEZ8qQ9XjvWENPGi3vYPc6if18T6ij?= =?us-ascii?Q?vg8/bRGbo32VBkdF6O4XIq53bVP9dFdDlFFudvjd9Bh7rXOOwhiZxBQRyG5p?= =?us-ascii?Q?0NK2Uu8qpHMvobtHwZT8De26EVXwNS4ytpUB3anL9EbMu611H1cSp2KP0O5U?= =?us-ascii?Q?KpfO2Xgvwb+GFtaIiC2TSk1neeTKju1a1iWJ7AA7cUJr6Hm7ccSl9fMXA9AD?= =?us-ascii?Q?XtWfmnaKHn0rdFhvBdAjEY2790K9zAR2s2aElyQTGiC/kT6H1e+w4gC1BQO9?= =?us-ascii?Q?O5tT11kjmvuZD5UToRsxUI3p4tqoWGjSvInUBPb20E5CRNBKxlykfi6Jioez?= =?us-ascii?Q?sWRsYkANc37M2/0OD5K1ZzWbFm50YS4DJ4F7Ggh0A7qw+suh6RzUoPMFsQZr?= =?us-ascii?Q?zXM0lOrYYWOqe1iGu7cVoKVFz0jhE/4vGxepUWedP8p+/Ij4yJuOTIKIoXLZ?= =?us-ascii?Q?lflBBmEhEGN6OYCMd/PeN/ropBZTQXZkVezLVjf6PbAeSqGYMdHZOjQV5aBb?= =?us-ascii?Q?HL2dISPzp4X8lswqqREaoTgcDsqnuGvLKiTCkH0SvZvco/pI3PNd6VVclKm0?= =?us-ascii?Q?STrnc0Kb+HCtV9XHakdJz6DTycZvo849/eUXbVJYy2MXSlQ9p7wWyy+KGyXe?= =?us-ascii?Q?mc9/11AvEJc6yavliMfa52RGJe2WaozbTv4krYBDixTmjwV/J8V56VyU9v13?= =?us-ascii?Q?8NP78bx680aVNYGELK9Il23ay3rsiCfGjGJ4Ox1DbAUpwJaPS8oJhC4RXqRl?= =?us-ascii?Q?aolHs0QudOJcpZhSXtk+2Qg7qoAK/cAgEvW7QPc/BPWaOw6Qnz1KGV/tvyCp?= =?us-ascii?Q?gRMiOdVYcG4R85SPLU2+Kkw+hqlrpcK1/KYfQYkgq4rAcR5vJfavJjpkXGJJ?= =?us-ascii?Q?ytPPh02zbJzw1VfoFV0=3D?= X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-Network-Message-Id: cf88df78-6100-4ce1-7b97-08de26d4465f X-MS-Exchange-CrossTenant-AuthSource: MN2PR12MB3613.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 18 Nov 2025 18:57:08.9939 (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: tBbZX6zrhRu3PoZJoJ4klcZSJy+1jEjxr4p9R+Lh5t3jHfztYBnAT+saXT7PWwvJ X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN0PR12MB5931 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251118_105716_415687_1782C974 X-CRM114-Status: UNSURE ( 8.75 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Sat, Nov 08, 2025 at 04:47:02PM +0530, Vasant Hegde wrote: > > @@ -854,13 +854,6 @@ static void amd_iommu_report_page_fault(struct amd_iommu *iommu, > > PCI_FUNC(devid), domain_id); > > goto out; > > } > > If you're planning to respin this series, could you please update the comment > above the if condition? Done Thanks, Jason