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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?lHSDPGBuiFhrQ+t434OhWa27xhGsPONW/BrkrZhj2Uz3SghiMqpGapbs8Z+H?= =?us-ascii?Q?C3Ha6DGNSBtqw6njwxIuEwF+3aikRUpKqircsX4nXEdiTNsIz1cWz0QGGvxO?= =?us-ascii?Q?KG6eFu+YjK9keJC4wVkO8Yls03wi5cUZqeEXIkmO57GaS+98mW3LDTKFE4/a?= =?us-ascii?Q?fA/2XgpekW6SSDvXWItlsHlWyD+sx2X8lXX4f6WM3PhYFvOu4ojEt9YsMwFz?= =?us-ascii?Q?BIG5xPWC2NT/KLsdNubau6iOQarH4Q6uQCkSzk8JVMVaGvv4nj8Frf8Q5Ue0?= =?us-ascii?Q?GmPIT9Hp5QvDR2U0voyLAYKoG6eyJVC6V8utV9Gi/Tb/GRwj5PqOxWeoovfm?= =?us-ascii?Q?Vh/D3ihM0+4OagBRE9gFf5mn+KK/8Lyf6upXtSH6Jca5Ov97BLXjPB0N08BT?= =?us-ascii?Q?LxM7EL21lc/GGx1pBB95oxHff8X7Dyaibncd5bHQ8l94Xke55sn0j+aZj6tl?= =?us-ascii?Q?s1cjXcJW3qLXJgZhicPQJx3+qETZkpPXzZFNfiV50nLi25a6izxvRvwAPBOc?= =?us-ascii?Q?ZVgzgAm3xEOI2sQkTIT5ulDcjmkRYjVSFaLoVqxJ0AtYTIAEn4BlDKuxqWjw?= =?us-ascii?Q?APILbrwqbkff4iHOm057YM/jEzgRZhIB8SSZiQuwaBSUafLiwc3IT6BGquSl?= =?us-ascii?Q?NWDAONmrr3yExjwogUjIuvLNayNtOWkLIjsLa/DqW5B3o5VJ0eG2ZAKf2L4U?= =?us-ascii?Q?2GV9AxYyw1OeT5Pz/BrSFl4YHP1zBiKKfdd2ZTDDr0V+kOvflslJSgB1n4j/?= =?us-ascii?Q?sBIyZI+ROuUnPtcjMNgJooFfFzwgVHr8LcrbOIuSYKyQcQWJUP+fjl4TSvcu?= =?us-ascii?Q?UB6cwD6H7lh2ZJVXTW8rD0WUmX7bm+H8RL1HbHy+9brSM9Om0V8XQky73eq+?= =?us-ascii?Q?9gnjlCgJI+0udeNZO/UGAvgMKKqdB90ZU4cm56jIqabgn928HLFGb32zRzre?= =?us-ascii?Q?pMbmKDQx6wI7BmtcWRGxyRxLnvOME44YP7Rk/zNPOTqTHqPb7WghfHCy48cY?= =?us-ascii?Q?eZLCuknG/bs0KH/XX3orHStWM8yBCu1t1P8dse3xCQTlT84bhxe6TVvD/F3w?= =?us-ascii?Q?5BBJsdai0MPXJ5QtFhpRRNx9LECNWN+CnhNhBj2q85efaOTB+ZiGfWp7L5rn?= =?us-ascii?Q?XLzqmImuhAxRjk32QhFOBRhC5IFMrP1X5rE1jMqiDRcFq3V4D+bADD+Elz3w?= =?us-ascii?Q?TE6CG5y88zA8F5uZCe87dFn5q1hJ5sGyDkO5IARqTRr7xudWHZ01Az4m4xqQ?= =?us-ascii?Q?TS5TrgVhUMftqzvKuJT7ltX86XDlaPgJuP1VYNEHZIgCJJO0wdx9xCq2f6Ri?= =?us-ascii?Q?U6NGzf0KNKfMCGykl9VZXKL7emv3WjtuNumtKiZfePNPl4bz4DKfGMuAxEgO?= =?us-ascii?Q?wK1ja+ZtYQqpnTlEBKKJGoRJ684tWRUK+3K+7jxTjNoWkVRFymITmPtAIMRj?= =?us-ascii?Q?/vcM0woqd6BytKQpKt7M+7YnJ3gs36XNVzTqA4lDiXLJBkAjSiyA7tPXk07+?= =?us-ascii?Q?TJhmgVORBf6sXd7wBKI0NF44Z6GogUG8X7WpNYuJ+4Zj8AoL8opZ8XpqzJ5r?= =?us-ascii?Q?zP1QRqXW9IiKcSEk3jpSJDcC0mf4LRGRosQJJsAZljVx+sdSIOSd7+WMqEDt?= =?us-ascii?Q?IgNOg34ITSBn8WEPpiVrv7euGB+z7XDNlxm3wmBsQUnnzeCQmBjEO9HKu+dH?= =?us-ascii?Q?RT2SLzn3hraPwScZFMPBKo2BrjRFaHi1EANUV9zGTyaSeOW/?= X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-Network-Message-Id: 48c0180f-08f4-4ceb-a7c3-08df2861cbca X-MS-Exchange-CrossTenant-AuthSource: CHBPR12MB731189.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 12 Oct 2026 13:07:40.6698 (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: Agc3VCPW7S2tKfm3qvo2Tv5ppfMvZXItHEPqiGX9vdMRxB7257K0zIp4uLhr8Cjb X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA3PR12MB177419 On Mon, Oct 12, 2026 at 03:31:17PM +0530, Aneesh Kumar K.V wrote: > With this series, vdevices hold a reference to their parent vIOMMU, > which pins arm-cca-host. sysfs unbind is disabled, and the SMCCC > provider device has no hot-unplug path. It probably needs some logic like vfio has to prevent unregister from completing if there are active users. The module pin should prevent it from ever triggering, but as a safety precaution. Jason