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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?IUv9250BGBUtNUsIz+eBDMG17Pduivv7eueeuDnnT92lfRu1VSfJgmui6zr0?= =?us-ascii?Q?7SoxM5Mt/G7t+VpMeF94UHaY8av/Hc98Fluc3s8QCdWte5NDlRVhCqUQ81Z2?= =?us-ascii?Q?7oAkUy+pX+7Z4TxZndupJCbJ5g0jXPmTKTtnaGkJkoFwW8AYnlGjdp6YIM1s?= =?us-ascii?Q?mMZjWMd5Hku+JnswjV/3HYVq0AH0v902tA4CMXPXeuId64pknufOPf5tNHuE?= =?us-ascii?Q?lHjrmdqciMUn1EUfpr8woPvQpy6+QRkpV3XrwHI4iUgqGUqY3fhFVf6av2q8?= =?us-ascii?Q?swfOmLZzQyEijWXBzOqkLhRT2XX43c2Ovg8QapiBMNyrQuOS8g4LG/7Eh3iv?= =?us-ascii?Q?wl/jfr5i8fNCsO0iIyqbkjnF/+33lwF52sClO7AHtq4PatOJytyXRJxWhQ6I?= =?us-ascii?Q?FGsTNdoLAEDyQeXc8nIm+y6HjaSi3LXs7eJNbURqZbRdkTjc2AiVzoOF1AuZ?= =?us-ascii?Q?cVolzTC87nfAd7zIEKxG/FoHnPIeQsf3gVLmcIhlrZeD2FgU3d6s2wvO3X4E?= =?us-ascii?Q?sj2M2zPwSWG4dQ9dx5pbR1J7nxxreB2+ZkRboLj/t3pcHSySsXhXuKW98YmZ?= =?us-ascii?Q?Z5dQ/wif7wSunpYy3jo+Du0lyq/Z4XvysW6nteUONQilYBDB/zD5n/ws3eQQ?= =?us-ascii?Q?z8fbgPmOe5+Gkgs8ZkBbhLuRYxbbB8YtvwGhdHFlsmYChYjxvHtnEPZAlBCA?= =?us-ascii?Q?3IRzrnYIuAEFh3VuBDe1EBc31WlFtt1DKwrt4x/E2vEv7zInEEwP5WEXAJn9?= =?us-ascii?Q?qpRoEMzv/773OM07vlp8l5U/yoJ9LArA8oPymDmjgGUDF1l3MGfVarPQa7hQ?= =?us-ascii?Q?zUB2F8WaGuC/aCM6ewzV5ryTKSnawyp/EnHt+OVsSo09Pg5yqSnz+4h3vKXH?= =?us-ascii?Q?/hx+vlfiuH4NCs0qZSzPyx4fsr4mTJHT11k+myfBHMYEbvUx8Jg7++G8Vg8e?= =?us-ascii?Q?Un4S18yDFRvvvzb1lnEVf3S2BPTH2UO5t9Fhbpy0MeRG6LtsqTM0l57KL79i?= =?us-ascii?Q?t/i3uwMu7C4WRoF8uZDJLCR0vX3mw4SMX9KlMz3HDftQdR+XDtUOL/6ty2/a?= =?us-ascii?Q?bfm3w32aT5izBPPc0T/kDinGUZr7PWF1WyyF76wRVAhNV0aainLfxuAbkRV1?= =?us-ascii?Q?drI07TDT4lJvNVHZCkO2lfENql2pTxFRQP2sxAt2IYHGotkfcRr8KUZcYeEn?= =?us-ascii?Q?AMoXCFgrOng+sRc4VPZ617cADemWRWGisV01hC3ZhN91ZmkconTcTt5KbHcO?= =?us-ascii?Q?GqYa7t/F4p+XemF4JwhYFUwkWpIL2dxauC46amtRtK94Y1nweNquJy/OePdZ?= =?us-ascii?Q?mk5cUZlRhpYSnORE2QOfijjGdYRKHc9AMiZATn5NmSs0wm6dingOHlQe0HYD?= =?us-ascii?Q?rWG+B2fnXNaCkBUdyq0pY0iEhpvxYqc49iCC5mVSD3gbIPhO2MB4X9moZpks?= =?us-ascii?Q?99c2AQgZgcD13kXr8LADnTLsm0JESDC0aZuJo6aMBLSY4LNL+RS/UvvpmA6/?= =?us-ascii?Q?mDfEmxG2MJ18P6sS4uykx9KX9RnXN6C8qwOpbnHZOVJgp5rYBCQvWwTFLCWc?= =?us-ascii?Q?x14A3gw8g1PH3q4ivtTg7qXCbgdRh/hPTaHaqjPr?= X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-Network-Message-Id: 740e2139-35a2-4e0a-b17e-08de0da63e2b X-MS-Exchange-CrossTenant-AuthSource: MN2PR12MB3613.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 17 Oct 2025 17:54:39.4212 (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: 3dP+uc9lSS4Co/K/bfUufmIqiwL15Zu79mub0l2bNA7y0ONbAlFmlZERXgRxAoeo X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY8PR12MB7361 On Fri, Oct 17, 2025 at 10:31:54AM -0700, Dave Hansen wrote: > On 10/17/25 10:28, Dave Hansen wrote: > > I'm thinking that even messing with arch_vmap_pmd_supported() would be > > suboptimal. The easiest thing is to just stick the attached patch in > > stable kernels and disable SVA at compile time. > > Gah, please just ignore the hunks in that patch other than the > drivers/iommu/intel/Kconfig one. The AMD driver has to be disabled too and there is no kconfig for it. I think it would be simpler to just patch iommu_sva_bind_device() with like: if (IS_ENABLED(CONFIG_X86)) return ERR_PTR(-EOPNOTSUPP); Jason