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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?1smctqTDCQ+RVCWG19wuR65YYKRthBm9TcU8WdzBVfIsvZfG/4pXZUa1zsE9?= =?us-ascii?Q?KuiX+aBug6pC/Dg3c720jQnLBnDcmd8utvo7ooS9EUR4rZ/5Y34Z7HvLr5s/?= =?us-ascii?Q?JYAI3Nne9cTf3NzzPEoqNJ+/tnEkJWUL1Sxi2e1h/dsVjnTNmOMfd75kFfPO?= =?us-ascii?Q?rTt2/49LLQpU/zaJHgwHx5DpujL7NqBgYL0gHYm8ZEk1ifGoFA5ec2FfK/iX?= =?us-ascii?Q?PJDZQba8nnbCmxEJl7fQCjKQvP9r5TcKyC9lxlY13C7teKwSg3vzZQw5JI2j?= =?us-ascii?Q?R2TpPnenQSFTGezgKTuiP+CDP2cOkOY3k2CB3z2YxtxOGginCsXm1eB1ujn0?= =?us-ascii?Q?1t/abnRAYnfNRnwEc0yOUX/e/DGbdX0jnoDkC9ZC8yaP6Kjhme2e3D6Tsnn3?= =?us-ascii?Q?EbETX01yWwvYXgzqL4qrq9NMulVPnbxMelRPlupxNBZFOvH29ryptYa3p/aF?= =?us-ascii?Q?AMMKmsR0uksH2q/QpsjIXAdRTZefp4vZg7UULbjnxlQ9Vace42Ak+2hcF46A?= =?us-ascii?Q?1+dNuuavspJClErAkZcqtKOqmTkSm/pqErCc96db0Obg5X0c+IJBMa8yyXe1?= =?us-ascii?Q?keyFbSrIlhej6oh+CoNqLjfBjwTLNDCRElkaNhrpoGmX9ZPD5ATokiM+snRh?= =?us-ascii?Q?qrpTCvztNvp+j9htXmRHzwc101ATSPXs0+YUNyfzVLVYTB30THyOVj9kZ598?= =?us-ascii?Q?U8PZRYwF35uF6nPst7CQbUYQHNMCtEnoirFVir9zxPWpA0gt/myMaAusA58j?= =?us-ascii?Q?UQFQhuINe0w81L9EaHxditt8LPvLp9XtkYlNuq6UBMfd2ieNzPXjGN1CMCaw?= =?us-ascii?Q?nLQabMG2xeE0IncC/RTynNfRxh6c1LZW7jS1izzlu6UnzHpIPJxlrBKlhUkn?= =?us-ascii?Q?vdWGfPfOlLWO/c00DtdAsBaQjNWFIo8vZylXzatXqFlnogJfg3i9CsBw7X7K?= =?us-ascii?Q?hzEntbUC4T+MtesjK6PA+xTPoEr1+WupcQfnY9KDJFux3eWjz7wi7iJhnLL6?= =?us-ascii?Q?kRMCkIqZJ9j5GxNmpeUROPMf6dY0CxNW/JTmvaqjbJS9Bjg97YgJK+rkqCQ/?= =?us-ascii?Q?sc55Rjx4O8Th/cqC9tuA62NUTBRNi3+NHwjqRKxwGqbR5ruN6xsNk7ac1jbP?= =?us-ascii?Q?qpg0xVdcbj9WmzN2nq9daOH77MI9UGYjjZYk08CK/bqR6RCwfZE+W8sEVPk9?= =?us-ascii?Q?o4etMz8OodKbKqVn+ex/0Ye4FSgXZL6IiR7xLSxQBfMzD4mtMstTypa8+DfT?= =?us-ascii?Q?FSEf5T/G3CXcZ/bEwUEOOF8zh42YyzdLr38KdTOOI+dGKZRKT51OQi4NwpvY?= =?us-ascii?Q?9jBLeMetf5Vj4uWlS79ie15xmr9VG/EBOGSBdDJfVvSydRUVeVlYyZg2+ng+?= =?us-ascii?Q?lqwW1I2Y7idSTwZhU6PQSViprw0wc5xSisj8s1fsUw5ehHqvYtApvooaj8+i?= =?us-ascii?Q?jWLP5iErdmhZr5R+Iq0TAFswXmgMqjuxDxeTCor5RQ1uwfpTKvWSlcPhtPWt?= =?us-ascii?Q?8vuo3ivl9dymlOI1ambeW5fTUnDTTJD8NhHLCxEO+5KkMNG6LHE49gHUl5Q+?= =?us-ascii?Q?LxnltBPFeGbhHQ8TemZp7HAC9uoeXJGfwExsZVyO1nyQBENAd5kspnbyLCoy?= =?us-ascii?Q?ZhkmlXOycTx5BdPx18fSi3zjBjGJdikLqYppkpDvkvYiXvUq7HE5+5pWmU3X?= =?us-ascii?Q?WIYC4gvsPD5pP2Zje3/MbsC04A9NUffiKE/MQqey9mjiWFo3F98rHyziJ0lb?= =?us-ascii?Q?KyqBbynJ8g=3D=3D?= X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-Network-Message-Id: 9541b9f3-7609-4406-087d-08def232a4d5 X-MS-Exchange-CrossTenant-AuthSource: LV8PR12MB9620.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 04 Aug 2026 14:14:06.3082 (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: JLAKnycv5CNqoLJFajvgRvQN7isqSAkPUUvrPdkr+phLtiZQHbqNAiTU+5EviVsB X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM4PR12MB6009 On Tue, Aug 04, 2026 at 09:24:47AM +0200, gregkh@linuxfoundation.org wrote: > On Mon, Aug 03, 2026 at 04:43:38PM +0000, Ankit Agrawal wrote: > > Hi > > > > Gentle ping on this series. Happy to respin to address the feedbacks > > or concerns if needed. > > There is no context here :( > > Also, you are adding custom ioctls for memory and drm things, why is the > mm and drm people not part of the review here as this seems to interact > / go around those subsystems? The cover letter does explain this, the memory is CPU DRAM, so there is nothing related to DRM. It is reserved by FW so it doesn't get a struct page or zone, so there is no direct mm connection. We don't want to waste system memory on a useless struct page here, this could be 100GB's of memory potentially. The call to register_pfn_address_space() follows how vfio was done and this was all gone over with mm a while ago. The single ioctl is not "memory and drm things", it is reporting a table from the BIOS indicating portions of the FW reserved memory that has been recorded as unreliable that should be avoided. > And where is the userspace code that will be using this new api? The cover letter hints at this, it is usable via existing qemu features using the "-object memory-backend-file" or similar. Ankit you could probably make that section a bit more specific if you respin. Jason