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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?MInveJB2jO5J4GNweuDsLmhwX+ZCGMaOt7e4jQQrs2RLmuTyLK27fECA60/X?= =?us-ascii?Q?3YVGvNU9LXnoJ5N0YHKYacA1Ghtr8Oou8obcQQSFM0NpPKEhpZDzvMQK4KNX?= =?us-ascii?Q?/vJRk8OzNuoxCQZEJ4+xfqGy4MLRV3PcJ1Z/CUUBVuADNVHwEvImP7ePS+dl?= =?us-ascii?Q?35S6cmdWl8dZgw/U5At8X5XmNi96bd80aM2HZdNMPGie1xVhq1ch1oX5e+gg?= =?us-ascii?Q?G6SIQgn0OCebPdrUzqW4JjKc+6XJ5dL8kAJTv5BJzzrLoZ5jYVHrVgFUR0tA?= =?us-ascii?Q?Jm12mUNErgC3ebjUL2MbaS3bE48mTmgprsCO8hQnpgksVCQ3XqLIsOvFbAkq?= =?us-ascii?Q?fU5fjR+qCj5NyUVL2DIwHpitCsYnxKmgoPVN0+8LZk/qgHYOGP00aWvSeqsj?= =?us-ascii?Q?zJfBP/hQreBF9Iv7PqGV8F1dn6FGR7asroz9HuVcFoPZV/0c/lCMFIPT3mCm?= =?us-ascii?Q?axC1VpiuFdYpXlFhr2oN7QNuGkq8E4HNDHg3gUx/cLvNJN56GoZO24yiI94y?= =?us-ascii?Q?dsISJ+REhB2AfUO4ub48nn9YQEjj2Sj7UgNpS/GltFX7zFPa4iDgoZ/3x3F7?= =?us-ascii?Q?f5NtHnGDHn/+ulDzngrv/SSGsMfZp1ueGfASNXApYWpG1DWywdxoRNz3Fy9m?= =?us-ascii?Q?QNuSk+JTA6W5PBF/y6BPqKxiHe9PAxXNkAPHAtqHk6+E2s4U3uMuP9b2rXKw?= =?us-ascii?Q?8KkDi9mefmnVa/RBOL5OLCPEW8tYo6lBoS0k+vQTJ5poWGQxmdV/cT6cPr+f?= =?us-ascii?Q?XPIXgVQiMelS9Rr6/V8L10QLBVqjG+qxAuKrp3bdFMWGn+MdSSDGxDCCSH4G?= =?us-ascii?Q?P9AV58nQXyoIqUopou3dd1/e7LmXckL5Rv2YwNKGkSIwUn2+AgTag3cKYEkL?= =?us-ascii?Q?qKfyGlCYgW1zgRHgkI7WJNz3Y+IqbnolVGyrmCidSLXcbwRFsSjwCvmdAE4o?= =?us-ascii?Q?JnCITV1MAEJwV6V6scZ7hg5iBmtihmHBrutaqPRBBREEkBps/UxUMQW5Q0Cl?= =?us-ascii?Q?R+chgyBkFEYiSrVrtg96gBW8O0Kw0SPSjat/GgAp14T8AwkLARYJaQ7/JgxT?= =?us-ascii?Q?Wew1ZvQYr2VL/euT2mdJ4F/0v7E0QVAOayTMbq4XoO6AaUlJiLs6g+BXrhZ4?= =?us-ascii?Q?JmKDSvSH4IukNGF42cWTIYxqY/aoLckloUmC3tF6cffEK9k6Hf4hTLDzp07O?= =?us-ascii?Q?pZKhcLbEnAvQgxdOz0tKUYhjD4d52hH6vNEdej6YjHzLYB7bL283VrBvatLG?= =?us-ascii?Q?yt0T2vFQziOBfIC/VBW0/LS2DJhoAdEjYuWsGsAeMxhuA2zjN7IYScIB50E+?= =?us-ascii?Q?GK5CJ7e7Gl7F76begeB4T2kza1iEYDKLMCi8PGcBkm6m/islg6z//TgfwwPp?= =?us-ascii?Q?Fy7JKydcNS6QjvctSJmdwLRiSYgSFZhMFddQUQMKOHvLTBfDbQioYRiXS0dF?= =?us-ascii?Q?oqykUrdcfQjXzm4uaWg0Vq7RdwlmqI62xEZno1fkaOp/j8iRC9SPlekCEt8y?= =?us-ascii?Q?uYPOREpgza9JwWHDYuBrIdNZ+BAGsaVcvAi2V0TZlwXPIFHciSXAD3UbJKmN?= =?us-ascii?Q?pdQEaVDa1DrSg/dwnJgMmXMxYNM5KexoqmZbSojc?= X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-Network-Message-Id: eb557056-8ede-4563-69e1-08dbcf346b42 X-MS-Exchange-CrossTenant-AuthSource: LV2PR12MB5869.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 17 Oct 2023 17:13:44.9190 (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: EQXWB34z/dztlOu1cQwxevKJiEHG2JAo1vnQN9EtzyQ1X6x8LIqB/BWniKtWrG6/ X-MS-Exchange-Transport-CrossTenantHeadersStamped: IA0PR12MB7625 On Tue, Oct 17, 2023 at 05:51:49PM +0100, Joao Martins wrote: > Perhaps that could be rewritten as e.g. > > ret = -EINVAL; > iopt_for_each_contig_area(&iter, area, iopt, iova, last_iova) { > // do iommu_read_and_clear_dirty(); > } > > // else fail. > > Though OTOH, the places you wrote as to fail are skipped instead. Yeah, if consolidating the areas isn't important (it probably isn't) then this is the better API It does check all the same things: iopt_area_contig_done() will fail Jason