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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?pB9pMvqnFkIo7j33bMydOw3kkTz3jUzOBqiKtUWPLR0MzYXDshACMerGXifg?= =?us-ascii?Q?fosBZ2gjue/Rrygq0883pByg9EOIa7jozTW2WeW/HP4DGPdhhVLwkSzv14wb?= =?us-ascii?Q?oU1SttZxjZrWEvE5aCcLveJaErTw4E0hSMsJ1qTW0timkKW0kBBwVDlQyFLW?= =?us-ascii?Q?D0ssVowjDnK5FUAypR2k1wjjdn2xaW3xqUW0gFiEvrbWFaZGnSuVVveLOSUP?= =?us-ascii?Q?pP63IUfGG/pZrTA4DJg7ZdosT5vZp6rWQus6S63kPGa0Vdl2N9q3MmUbBm8l?= =?us-ascii?Q?bzxGnWoJqg//j+mYW8TEwMWA1cnmBrQg8ktFtKXDgJDPv2FVPXLHSOsIjQow?= =?us-ascii?Q?DwJxT5k9aZdFzdY8SVXPA1hInMxwc7e2/kGJXZdygacLjm+19b+IfnIlrcK2?= =?us-ascii?Q?9V86GMG7eyw5FfeBRzeW/0v9qEdLQqBOpIXPR1jDLo0KnHOr7qHTCnssYsMh?= =?us-ascii?Q?MkxlMDsFrNAaSmlyIc7UlLI2w+o1c+fVRtUEweZSvjh0G4p2fNxm5RpZ8v8c?= =?us-ascii?Q?pG6pw3tuIg7Ttpe6e5IVIpOAweIG80maUOr104FbbGzT01nsG7NdfWSoR1bl?= =?us-ascii?Q?dGNv/ENahBHbLCZXPfnJUrynXguksXsosZ56U82BYbnTlx9EPXlzoeMXWsiV?= =?us-ascii?Q?FhCXnKtmUIMUfToAf8IjnTDRKduKkKn4uLtEwdU1sovXe2L7yCtktSIkBeru?= =?us-ascii?Q?x+FXUWTj9YWhUVKX4XCOXu5L+J2YrGlL+BMW/0SrgBpOkM2szb01sSLKKhwJ?= =?us-ascii?Q?dfjHrq133qVJ6K9z3kdR4kij0Q0TbU5GO0lrs8g8V6gtcWtx41sFNLNvd73s?= =?us-ascii?Q?OmInUWuonxqVguNahuh3g8mXdP1IJCbcZScRQl7I3+FWEEJWzU1p0F6ufZ69?= =?us-ascii?Q?cNlWC5WyTBjcqUr52Jb45bZE1ucfsN/MXEzlCQsTjY0IFpt4UbjxNjyRpI8Y?= =?us-ascii?Q?+s4dFFlhS9blm3MJicP6e+/asUAXnxNU1DcXmePP0tcPCXJWpSOtZeRdcAHa?= =?us-ascii?Q?UV3RyNZqyHHTXQfY6Yf5CG3Ni8PQtWccr6ouZsxXzJFJlSaCmrHrbM7gW6Pp?= =?us-ascii?Q?Yn0geurXfBCDHtFwibrX2sKeXBGVALcq6auWXKHnS/TTziZ7Jl/9mHVsTI3m?= =?us-ascii?Q?AaKO2eUWlqEuYv/NqIArxbFuaPK4NtAP8/kXVAzOG5nDg1UvQYLyDWz7YloR?= =?us-ascii?Q?sq1PExlHCPrhaEwJAZtuhCdVI2dU3Oqkp7nd7L+0x2uEvokhGntvRmF5hUVX?= =?us-ascii?Q?RUWqdsDMwHZNL8k21ObWzNNL0eFmssRfGzMgswiGwElfwW7H6y2oiN3VPTTc?= =?us-ascii?Q?ZJ/FBmTecItYCfSxHyukCS1HDZtaSwdikQCzV++wdkVabGACtzpY7oEQ8hHj?= =?us-ascii?Q?8u2zi+9XYXh01tlFrfNaMxBFyjYG9y6KLleXYS73Ids4KtTWGpdUmtZFZc8E?= =?us-ascii?Q?B3Tc2Yr9TMyvdW7j4HdxSiWeUTElt4ev1HnguVp7obFMEXNLxzc2DxrFfX2S?= =?us-ascii?Q?Dad8cgQI0InWiCCl2NT7+skGegdoA+zOrFtDQvCwxRfBTUq+FocwrwmtG3yb?= =?us-ascii?Q?lCAiHGjHKAa2CPOU4jhyH9VbcpN4Xznqn72r9UsFcMeZKKa+dReBlEI+2pTv?= =?us-ascii?Q?36cAXU2AcfaK7f/BGMEFPzmQDJEFGeeupccLLY9AL4Rok2v9+nTrUKNkAm4P?= =?us-ascii?Q?Nqaeind+qb5GJtUVgleXWjd42kIiiahjASQKCf6HpTr3FqHW?= X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-Network-Message-Id: c5b39425-3db4-4c92-b1c0-08deff054634 X-MS-Exchange-CrossTenant-AuthSource: LV8PR12MB9620.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 20 Aug 2026 21:52:05.1774 (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: cStDjBO7K7uuDcaeSlAm3z5joW7BYBOsxwTXtvc0VUpgE9ZlKt3DwurZwcrlaIIN X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS7PR12MB6335 On Thu, Aug 20, 2026 at 11:41:42PM +0200, Andrew Jones wrote: > MSI IOVAs belong to a paging domain, but iommufd may replace a device's > domain while its interrupts remain allocated. Waiting for another IRQ > allocation to populate the new table would leave existing interrupts > without valid MSI IOVAs. ??? iommufd is supposed to handle all of this itself, that is what commit 40f5175d0eb7 ("iommufd: Implement sw_msi support natively") is doing? The whole point of that commit was so drivers don't have to deal with this at all. Jason