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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?wyzFT345lOvIy+q2FB9qvOssaoBg0JeNnrIMnnpxF+xoLlTgmJWoYTE4IZHJ?= =?us-ascii?Q?3NP/XjOjdUhkyDhxTWcLhq36hFlT3S0dsmfyWMMdTrS7GA3G6RSO7v7kC5Ig?= =?us-ascii?Q?jG1iFoyQlxUrClFra4SqkbjYHExuhYLUkC9zn0zMe1UArrKDdRW691aS1tDX?= =?us-ascii?Q?CWINZ+H9FrzTvZhql/EcMuDrSl31vHfLp5qTgaq2uSbuuwjBbzJtLoNfe6x3?= =?us-ascii?Q?mBJzUEacTeR0lZBQdVTWvtOmdwwGWxAqlm0hAxKBHLg1/k3xWAiYgVRimaPn?= =?us-ascii?Q?UdjrZSeFinKEpUjSXs7ZCItNhNgYQCfaSy2cd/IMBonviOs8nviD5KwY/jaj?= =?us-ascii?Q?R/zBLlT3Hfx2MC47zIHU0MGsDRw98YULLP8ST3+TW12WGu0/L4q38uq98mrV?= =?us-ascii?Q?m/SSC7MJtdgIGcq5WR24yH2n+PyptMY4ruVa8D8oD1M1KVnsJRVnTEdWwWa8?= =?us-ascii?Q?bSBzVi/VO/oco735U+e7ICWLkc/xD9fiwFy4/7TU+YiQumcQh+m5SCzHvcGY?= =?us-ascii?Q?Q9vDY5u+oFEkFji+Hy8FiPc2su1HtPzITDpYy9ZWkes9DyUeCKNbHsvWpylO?= =?us-ascii?Q?I22BMhlLCdawyQGns+yneTC89kZMXFadm2fBpwtlPHkfvqKiV2kst/6zUdNP?= =?us-ascii?Q?7Q1fqN9nGkTwYU0KZ2yvj+KcLSRzs72wNyDGoaKo1JMGgDYEgSlkXMcWLYUz?= =?us-ascii?Q?CA82L4TqSwfLFov0B8wrZ86LztiygrRGK8CB1hG+hGmZ4jHQPb1vH8n/oNZT?= =?us-ascii?Q?04s/ufEpLjRJPam7mmypQ9GbLYI2Dz+V3boDs+HmEOMgSiJGiuvsuHQqhScU?= =?us-ascii?Q?0MpAg/FlkVVaLXRJrnYUvF/RTZrKbZUb6EUN5NVwEDe+zWQpDSUU/MHXTW0P?= =?us-ascii?Q?PwSmWto6tLH4dnrfEArt7qbXZwadb7f19lIwk7nRxs+nRnTTl9KoT+gaAycE?= =?us-ascii?Q?fKk8Vgv80tyJDvDhhuLuUtisN374j9wtt2wWgigI0xN2ih07gOevooV4PGeI?= =?us-ascii?Q?1ZmJnzhJM37y839Ufn0rCDD+hZkB3Fla84XBSrCFUFHj1gEGq+WwxtQk7zf3?= =?us-ascii?Q?y297gmrzrWbQ891BOhNGGy9UmGFnu0YqgQy40r19R/4lz67/tLrhjg0/09K3?= =?us-ascii?Q?Sc/hF8qgz+J/sR0HmBLcuotFJF/V4CQXKX5SkK+usOgy8BzToYoJUsvz5kym?= =?us-ascii?Q?jlvXvkhJ4mxo5OUw6UdrVxcO2eTC0kPg1eGu1bZgCDzQsCIUAXnLZaFYe75x?= =?us-ascii?Q?VjnkX+v9ErLvB13cT2JJMeGk8vYGNjTafGlSfo12rn9zgUMOdZI+BIP3Bc6z?= =?us-ascii?Q?WQNIOEeQOq6VVaTugzn2V17H6z14I4s8F6seiLadgv6SJYDCPmFaeN3frIeS?= =?us-ascii?Q?Qv/k2rN9CVJwsP8Zc598IjjXzWSXUrVAdcB7HjiODrvvs2uINMDbVZsCYVB6?= =?us-ascii?Q?Dv/VxZi6efuvnVYOtzTU07Bpxg6URUydSJKD4N0YxY34N0wurfl09UfA7V57?= =?us-ascii?Q?agmF1Aun4k0QuYchgi0kMExAdESQY4XI3WW+qUFxnVad0QWdKiVM8mNDbhZP?= =?us-ascii?Q?d7aakAD+c8lK/UZuVsMSYf63K79bN8KIZV2WOKe08d5px2IJ4QCIzt3mYy9o?= =?us-ascii?Q?2IUVb2Y17dt+qVATn2O49VoAAa3YU+a46mkBMll/dkXWKw1raqRlwizXe6Le?= =?us-ascii?Q?ucjnBp6TMGnijbSoN+Oazkb3MfaOXSLso2JgJGPfempLSDFs?= X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-Network-Message-Id: 7c7b6b4d-3ef0-4098-77fa-08df1258eccf X-MS-Exchange-CrossTenant-AuthSource: CHBPR12MB731189.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 14 Sep 2026 12:08:45.0088 (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: gzQ0azx6XkE3bXavz7kii1zP8ma8gDdtuqdTqHIPUypmynjEd2usmraNOg8HXCMs X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH7PR12MB9201 On Mon, Sep 14, 2026 at 03:06:18PM +0300, Leon Romanovsky wrote: > On Mon, Sep 14, 2026 at 08:58:26AM -0300, Jason Gunthorpe wrote: > > On Mon, Sep 14, 2026 at 02:54:56PM +0300, Leon Romanovsky wrote: > > > > > So I still think that "temporarily revoked" is closer to > > > invalidate_mappings, with some additional dma-buf documentation to lose > > > the expectation that the buffer will become available again. > > > > It really isn't, there is no expectation her that the importer has to > > put things back like with move. > > As we discussed with Christian, "move" doesn't have such expectation. > https://lore.kernel.org/all/afb19db0-4154-443c-9d39-f905e7d17806@amd.com/ "the exporter can move the buffer back when a mapping is created" is exactly what I'm saying is not required here, iommufd will not implement this, it only does permanent revoke. Jason