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dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=nvidia.com; Received-SPF: Pass (protection.outlook.com: domain of nvidia.com designates 216.228.117.161 as permitted sender) receiver=protection.outlook.com; client-ip=216.228.117.161; helo=mail.nvidia.com; pr=C Received: from mail.nvidia.com (216.228.117.161) by BN1PEPF00004680.mail.protection.outlook.com (10.167.243.85) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7362.11 via Frontend Transport; Tue, 5 Mar 2024 10:24:10 +0000 Received: from rnnvmail201.nvidia.com (10.129.68.8) by mail.nvidia.com (10.129.200.67) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.41; Tue, 5 Mar 2024 02:23:56 -0800 Received: from localhost (10.126.231.35) by rnnvmail201.nvidia.com (10.129.68.8) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1258.12; Tue, 5 Mar 2024 02:23:55 -0800 Date: Tue, 5 Mar 2024 12:23:52 +0200 From: Leon Romanovsky To: Christoph Hellwig , Robin Murphy , "Marek Szyprowski" , Joerg Roedel , "Will Deacon" , Jason Gunthorpe , Chaitanya Kulkarni CC: Jonathan Corbet , Jens Axboe , "Keith Busch" , Sagi Grimberg , Yishai Hadas , Shameer Kolothum , Kevin Tian , Alex Williamson , "=?iso-8859-1?B?Suly9G1l?= Glisse" , Andrew Morton , , , , , , , , , Bart Van Assche , Damien Le Moal , "Amir Goldstein" , "josef@toxicpanda.com" , "Martin K. Petersen" , "daniel@iogearbox.net" , Dan Williams , "jack@suse.com" , Zhu Yanjun Subject: Re: [RFC 00/16] Split IOMMU DMA mapping operation to two steps Message-ID: <20240305102352.GA36868@unreal> References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: X-ClientProxiedBy: rnnvmail202.nvidia.com (10.129.68.7) To rnnvmail201.nvidia.com (10.129.68.8) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BN1PEPF00004680:EE_|SA0PR12MB4399:EE_ X-MS-Office365-Filtering-Correlation-Id: 0d8c86ec-271c-4d49-a081-08dc3cfe65ec X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:216.228.117.161;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc6edge2.nvidia.com;CAT:NONE;SFS:(13230031)(82310400014)(36860700004)(376005);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 05 Mar 2024 10:24:10.7415 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 0d8c86ec-271c-4d49-a081-08dc3cfe65ec X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.161];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: BN1PEPF00004680.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA0PR12MB4399 On Tue, Mar 05, 2024 at 12:15:10PM +0200, Leon Romanovsky wrote: > This is complimentary part to the proposed LSF/MM topic. > https://lore.kernel.org/linux-rdma/22df55f8-cf64-4aa8-8c0b-b556c867b926@linux.dev/T/#m85672c860539fdbbc8fe0f5ccabdc05b40269057 > > This is posted as RFC to get a feedback on proposed split, but RDMA, VFIO and > DMA patches are ready for review and inclusion, the NVMe patches are still in > progress as they require agreement on API first. > > Thanks Please ignore this cover letter as it came disconnected from the series https://lore.kernel.org/all/a77609c9c9a09214e38b04133e44eee67fe50ab0.1709631413.git.leon@kernel.org Thanks