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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?lmJ62cjpSKqKZL3RGh/L2bTFRteNT2V+AdFaa7l1TJYD3FQICOP9/X6BGLQK?= =?us-ascii?Q?tHdy1dUWTwQXX5PPusxa9ze2PvRW1KCGWCQInDkOE0KQzsxiD5rsulYsXNUQ?= =?us-ascii?Q?XnYAnUL043WvPaA0aCO6Va6wUsM0A3pV/PWIOiSPKoCriyVB/jza5AHQ4Ddi?= =?us-ascii?Q?YYkoe90DAUnKnFw3FKSVQ6EqwQZbhGIjQ6BK0mm9kS+vIEtRX+pQPKcgEaeM?= =?us-ascii?Q?VfhuaJAjbo18oqRE3SSrYHvX4LV7daEkPHxOOByVVjRTXYaQbNviOwKDqrYS?= =?us-ascii?Q?THf5uMDf0qSXIW4rdX5P8tPvA6aFjE9UH9+OHtNc0xN7tZgGpZ+FLCx/nW1i?= =?us-ascii?Q?5RaL7gPYA/MMHN48c2AOqdV0r9krW5I0wZjLlUG1GskymIPqPoEs9nLSGLRl?= =?us-ascii?Q?t2jUicjHPxrvKoq8C6VAMPbA3vysw7WEoTfi/URURI/zF3UhDoCYMQIwL50p?= =?us-ascii?Q?7OLrSep9sNQjiwIZmSAnUNrZ+6h3rKkgwj+W6f8nYhmF6qrzOXjws6G5l7s+?= =?us-ascii?Q?flVMzg1vhKQWIZtno5GEXtuK55GQntucwMzKWMDel5X8eKV9XM0SWoK7kEP9?= =?us-ascii?Q?m58R6nluRZLKKmttpR28ZpNwGEWz8TezQ6vOOnQuV+lEZKezuEEdu+NNpTgu?= =?us-ascii?Q?+e2p+MCk2d1tFNh8aaOB/Dw9EeEG/q+Fx7mGK8zCtND4MOwwKpyImnzMuSi9?= =?us-ascii?Q?+0pdHDapb4+y6ztj8T1gXGG2rPa0a3HJViUBKVv8kQd1GErNZz4zshoi0FwD?= =?us-ascii?Q?jvQlFdi0bd7kQvDta8a0Xd5NMt08eoJB6HRDM8DH2erASCsue9T+IjlSqtXh?= =?us-ascii?Q?vG025q9RSDohCZLazxSJA60gX81jrjzx2x1iB4uA3Af3xrpp/jkvjBtsKSCJ?= =?us-ascii?Q?hC15V8GTutAcN2kaWX39c+SjkidSKIsdh+iW9SJKn/mFpDJpS1SmU15JSEAH?= =?us-ascii?Q?y4wWGugEtfRgDyoOIdba8a/lW8dbPf4XxDrWzCTWA8Jgy2f3RXCksgwNRjz3?= =?us-ascii?Q?Zs95jDHkRR7Fe4i5qRxC0NUiGzXriIvnjfJplHHg0du7GiqnikBkkywJ5/6w?= =?us-ascii?Q?Pk/DX5ovEICRDWJFRtEkZFk6gFKJxcadWRmJ4bFxLl0sgTL1phq9rXMqoIGb?= =?us-ascii?Q?+/e9tlYYoIIdygAXNLB7ofCmvUyW5zMqi017GahsHpT4sq02hnBLmd9aeZOT?= =?us-ascii?Q?BiPX9iAp79QR7+fnYdVLfC6zzpkZtmd863THFXCUauTFwzCi2XZgAEI7e15g?= =?us-ascii?Q?1PWqEgdKaCJcK43sKGY4muRpRuqjKfzCPjnV6J31MtTx7//DbOQlAikmLmka?= =?us-ascii?Q?QJbljSgeuWlolNwfxkfH4E+TBcbjewb20Hbh7lqzyKAGO80HdUzim6MKn7DT?= =?us-ascii?Q?ulnvk49w2ygHmUqs5mBwCK3PY7jehPObN62uvnXK98LgyJTXRbPemtTC81AQ?= =?us-ascii?Q?xcJ/5yq9jRhn/Djx8nzMBvkhu2WAamm68kSL+P3HVIQbhQm/uKdr7jJ4b9GN?= =?us-ascii?Q?x3YTnSILdQBRqVsvWDT57Ca2T2JNyiISdo7inIEG/JoOiQzZ3Wy1r0hO/1ja?= =?us-ascii?Q?fJrPrPHvyNgl1ctFFN9dpCkvtnR69y92AH1fkdDNH14QoHjM3iFuP/NMoO9h?= =?us-ascii?Q?DT9DnRywROtGSBM00M4G9oP52l0lp2dypbtQOa5y+f2uKAvk0LMhNLsvqORB?= =?us-ascii?Q?Rf8tjoUeakSdvVYuAM/702B7P4oM16a9tBZ05qyCzbtR8ZCo?= X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-Network-Message-Id: d933b639-f37f-4973-20ec-08def2338bb0 X-MS-Exchange-CrossTenant-AuthSource: LV8PR12MB9620.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 04 Aug 2026 14:20:33.6103 (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: sWMu/91ExHlwUzdUUHGEKGx3KYAHUoiI11dVqLYArwQpcV75mMKbaH+2w6Hxich6 X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH3PR12MB8901 On Wed, Jul 29, 2026 at 06:12:38PM +0530, Aneesh Kumar K.V wrote: > There is a possibility that we may support io_tlb_mem with cc_shared = > false in the future. As a result, only swiotlb_map() knows which type of > bounce buffer was used, making it the only place where the attributes > can be updated correctly. Yeah, +1, the attribute should be changed at the same effective place the source memory is changed away from what the DMA API user provided. Only the thing providing the new memory (eg swiotlb) should know its properties. Jason