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Tsirkin" , Nicolin Chen , Halil Pasic , Niklas Schnelle , Shameerali Kolothum Thodi , Yi Liu , Keqian Zhu Subject: Re: [PATCH v5 07/19] kernel/user: Allow user::locked_vm to be usable for iommufd Message-ID: References: <7-v5-4001c2997bd0+30c-iommufd_jgg@nvidia.com> <7e8ad9b6-f4d0-0aeb-8bc4-717a9719dab8@redhat.com> Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <7e8ad9b6-f4d0-0aeb-8bc4-717a9719dab8@redhat.com> X-ClientProxiedBy: BL0PR0102CA0014.prod.exchangelabs.com (2603:10b6:207:18::27) To LV2PR12MB5869.namprd12.prod.outlook.com (2603:10b6:408:176::16) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: LV2PR12MB5869:EE_|BY5PR12MB5512:EE_ X-MS-Office365-Filtering-Correlation-Id: 3f8f8605-4114-4ab2-f680-08dac9a30ead X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: zUS899nDOvXNGQobvmPiWBjEALnM2jooAiM1j9xCarXP2KGZL3c+x6ovTTTyOoFheWS+JmZZCtbqGV8wpHyYwZm1jNSjWnrOt+U7KpZ0TLmSJKhNCna936u8V5P9L20WFMovUqrZ7siif/1Oc3HGlJA0AiqrcxjjLSucnuOzMvbTFPEQLhwOZEHzRlztLKxEVwHn1wXopPu+96P93jXO6Wb0F2B+PT39DTPkvOior2Eb1a0gCBAtnUntfXfXOjqDiEdYJBgCpuxP/kfLfBLzPS7Am49t8VQ1R+aNbm2HNoj0QL56F3kMHvSu89sP9+ieBweiSX0ED24cdHojhqFkVlMyEb3cEl4jFK8vXGyi55tSJ3SB5CW0+mQvDu/L/dzBZcpFnN8rh6rFoy4ViDK5rEt9ZIuw/ZscIQgnvSbB4gQ99eHxpTx7HQ/jxbZ0yYJ6blqJ00gCYDptOCgr7lwmEjtmHzPWfBTFb+xNS+LHRib2czIjqV51UaN3AQbeCG8QGerTB1MMMvv+hZh1SOGPaPxfGWfKxSYVUP9C1/9w/EhVtD0oATMMqrHXdLWnRXZtwexJhYSrPXlMPUYlMww88EK/48wCH0Sj+5wnauQmEfYnxJKoacorY3AdqLeOWMY7VydBFfDHOpVjHC0ZAwDmDQ== X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:LV2PR12MB5869.namprd12.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230022)(4636009)(396003)(39860400002)(346002)(136003)(376002)(366004)(451199015)(26005)(54906003)(83380400001)(53546011)(86362001)(6512007)(316002)(8936002)(6916009)(2616005)(186003)(7416002)(7406005)(36756003)(5660300002)(8676002)(38100700002)(66946007)(66556008)(66476007)(4744005)(4326008)(2906002)(41300700001)(6486002)(478600001)(6506007);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?u/hM6ckSK60bgH7/6dDvESaE0O9igHYS4suy2WaPoFdVXD+OrpleYS8hDJTE?= =?us-ascii?Q?ph69sU8Vh37MYOLNTHfyhgPJD6Oe+Ss831wxCn6YwST5hj9ue730jUHQzT2/?= =?us-ascii?Q?CGXvhM3I/zpiYMbCksOfPvCHN+x6JVRdOwuIW+ee81yF2HYJ3HbJh5k8k6/R?= =?us-ascii?Q?VI6p8bL9DZxHKBPpzCuAMjeplNvfu6PgyE2OmS3nNBI2OP+kISt8aTvRBS/N?= =?us-ascii?Q?ZgCV0xcdBlSbLvqNqgCwhYEENaj1KbgTbmUQFWVvBY6WcLOmRdrH6WbTVX4B?= =?us-ascii?Q?eJBNVgM3EgFOL9+e6RW/t0dCXHrG0tszpnAgFgjP45FgEL5L9hp8PcC/o3cN?= =?us-ascii?Q?PE5+HJdfK9kmXnb3eaiowCGJpHRq0/IXC5NiiXO9v4p4Wf+86mX35MLWtlaZ?= =?us-ascii?Q?KI6D4HCQTCGEhvrsbqqa5PylOKCJ+4JIi+K5h/imtdK211XmQjVEC/0DkE4j?= =?us-ascii?Q?XjdMRoyZFqeCPkjb0ddX1Fm3aiKMdRfDdAVvHLxL1SLw8oJ2uZlkyaaCY7qj?= =?us-ascii?Q?CwqoOFMhp73+Z2zute2GVILz5yDaCC23DJMRnmN+zrOgCwARX1k9X9vvEDaN?= =?us-ascii?Q?BC7CbVZL2lFL11eTTI7lGTGUJ61KlvTbWxWp+niDg8mp/vrPbdAR8KO8KNWd?= =?us-ascii?Q?z6xLsSpzd7m3QDKQojHiwOSO1ajhszX8x6aOUEzb1Epc0hq83hBSW8ZQGQDT?= =?us-ascii?Q?vCQPVM7qAKvQfliotV+c1N7qh9a3Q6dE7so9Oz9bOeYanSDQK8O0Ur1/s7Et?= =?us-ascii?Q?ofjCF/9RaeiMuP6dr+sfrtCpTuD2UuU1yuXP8UBsTupurU7/v61OfixebPKD?= =?us-ascii?Q?e8zhVA/E6wS25iUdDM5tW0qEEGXGcA97657E+2IIrXC+pAST7jS0irFkwL1R?= =?us-ascii?Q?20/hKrSQV//4LRAQeCqDcz84bmVZr7A4tduusds8KqbEE5kMsV5iSMrjRuD0?= =?us-ascii?Q?O47Sn98u/4J+sGZSvcgxtNoOfpaqltRSP/YVL4bU/kRf6TqF7se7hh/CzYd2?= =?us-ascii?Q?YZVd8q/KV0N6gCk+0ZwN5DORnemUDqr3sSe38/E5L0YDyf8MbsJaqCwl/plE?= =?us-ascii?Q?4n3vAgxJN4AHS1jrHJbIli/Kv2aL+M4oj9qlfJtvdXCaLMtqkMSQFc4uGNOK?= =?us-ascii?Q?rz40bq5klO7t7JelnH5Cv8tM1Z/L1N0gRUXS148Cnv22Hk1SrkJP1qwl31J4?= =?us-ascii?Q?IFGPjN65rZf8pdbo8CE9Xw8iH0bqRkfmcblTkL1KiskPrSVQT0f7t7J586k5?= =?us-ascii?Q?L6QAqMPvW8dQBz9Khf3sY6Iq+494imXTqSgeuQPBMtVpp1RT3NuP6/gObsJV?= =?us-ascii?Q?qS7rJS3nAAU7r2gB69+A7eS7oqOP2iSPP7bsp4ywWJigXk7BF6DILZ3jujg2?= =?us-ascii?Q?u5+Ch3UCbgDT3LP5QLiZhbTW0OOINxJtUnVkfCGmu3Bn5o80RDLEzFLzs2FP?= =?us-ascii?Q?sRMPCIiy/8POIQu5x6e9uivV6McgO7KB9H3MbfdqBtbeHV7cPG7vTLUStpfg?= =?us-ascii?Q?oc6Fz3vRxZcsz8GK92QsMb3lyhmkF+uA8gh8z+AKvBu06e0uafxBBya8Siu2?= =?us-ascii?Q?+oCz/7zmgeWkt+8gZNE=3D?= X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-Network-Message-Id: 3f8f8605-4114-4ab2-f680-08dac9a30ead X-MS-Exchange-CrossTenant-AuthSource: LV2PR12MB5869.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 18 Nov 2022 20:25:39.2136 (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: /TcQQr6X/hwLixanXoiW/7Dt4DokMlx2FOwYsNUOSWJiiJkA2az4EaK+Qx3BMbbi X-MS-Exchange-Transport-CrossTenantHeadersStamped: BY5PR12MB5512 Precedence: bulk List-ID: X-Mailing-List: linux-doc@vger.kernel.org On Fri, Nov 18, 2022 at 05:28:19PM +0100, Eric Auger wrote: > > > On 11/16/22 22:00, Jason Gunthorpe wrote: > > Following the pattern of io_uring, perf, skb, and bpf iommfd will use > > user->locked_vm for accounting pinned pages. Ensure the value is included > > in the struct and export free_uid() as iommufd is modular. > nit: s/bpf/bpf, > in case you have to respinned Ok Jason