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Thu, 31 Oct 2024 09:43:15 -0700 Date: Thu, 31 Oct 2024 09:43:14 -0700 From: Nicolin Chen To: Jason Gunthorpe CC: Zhangfei Gao , , , , , , , , , , , , , , , , , , , , , , Subject: Re: [PATCH v6 00/10] iommufd: Add vIOMMU infrastructure (Part-2: vDEVICE) Message-ID: References: <20241031115937.GD10193@nvidia.com> Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <20241031115937.GD10193@nvidia.com> X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SJ5PEPF000001EE:EE_|MN2PR12MB4285:EE_ X-MS-Office365-Filtering-Correlation-Id: b8ffd9f5-bab6-42fb-c385-08dcf9cb2b74 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|376014|7416014|36860700013|82310400026; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?NX7LiXtq4bwXNFKBeV3/0Ui+N2rcir2O9EDGHaJK81NXAnW65CRvL+pwoIsY?= =?us-ascii?Q?GNNv+ltiNXAvFoj2O/46LNx+9zvx2jVs3mqvKe1Qfxyfn1TYwfNq0PYCdXSL?= =?us-ascii?Q?RhK3FZudqjqkPpdZMVeDICasDJxdH3OjA3+ce9SCkkLpLPXJ/O48fZlX8Yx8?= =?us-ascii?Q?rLEjGAEUcwSs5L7uRify8f3cI6hVx15hpPHVTVzcFmheNl6zTnf/WFONtgAN?= =?us-ascii?Q?ayQl2ImUywfm0v1lf2UXkFNbal0mj0t0Z9XeRN3PAJmlge6GSdvUefljwUZ9?= =?us-ascii?Q?s+mXqhWyS5AC7uhIKeGDI/G8kGQj5akpeoHbNUKzV4Fw8I5KSuQ4SKO5BS82?= =?us-ascii?Q?f9PQJ87c7YrbUQXjAefDUXLh0bslJMomDu5zgiBxTyH1gLXOtTqIuF/2QbIj?= =?us-ascii?Q?u98ul9FeQCGSFeHzZvo7x//gJHMMf94Xk3DlN46bdjkmKDfqG8wcPp1TNR4M?= =?us-ascii?Q?u02FhKNyh7E+PkwI8EU4BMduqfZSGW+asM+r98847EYq/S0chCaKfE+aMMpH?= =?us-ascii?Q?qzkfcapxrDARkZaPm+P5ZgwLg7sGVlqCSyNJ6tNoDYLO108rxFuHCL/DieHl?= =?us-ascii?Q?o2uPym8QdUZat3JEQEsBQj2app4Ce9OhZ4jEfibUR+URCptZWSniMzVr9MKn?= =?us-ascii?Q?XOGpfYUD7Q93EANfQCEtgCIYElbBeUzTWhyNmuGxqr0fRU8SqF32swRKVrPz?= =?us-ascii?Q?7tTyG2X78YKDBGZwE2bvtNPLVf7KmCSoQqfnzLrVYupfHf/X1tBNjUuUfWtg?= =?us-ascii?Q?ePde14N7wewcrFmYkDE/LQWqEZ3gk2PzG5r4SvSJbRibl3PZrxqZTLqQlu/b?= =?us-ascii?Q?FpQJPn/Ii9PQRUZFZzrTJykUiIM1Iu+LFQCOM+uKdZcLv0pB0j3IJYOY/cb1?= =?us-ascii?Q?NYk3zInaPpi1UDvz+lESJQV4RQDBVa6yYwDQ8DVkzlXjgEGTVurWVNyoUTLi?= =?us-ascii?Q?dSfSrM98cbK16r44uS5XZ1Ke3eZgdXu74+R2joxS3moYfHtksgBkRbp3ZAdR?= =?us-ascii?Q?RYhN/DLOgwF7xHBZQydX2DtLLgtlYEQKgG5bkTstz+9Pxa6Hh9z/uSOIfFUd?= =?us-ascii?Q?rQ++6KS+Qnd/rSYSncqGL0ZHfjFI9xOdVcsmufaTlgwf20lk1dfr/xlY16CT?= =?us-ascii?Q?DCBilnu7rBrBR7I/eM6Sa6faFg3U94MMn0oCMoJW3eF4abSqcuUNoamqnZFv?= =?us-ascii?Q?LURNJsb4SURhb2zb21IUZK8FVwthn3Bs5+fVR1tc2anJPh/NyUh7SyrqMvvk?= =?us-ascii?Q?zeOD4ocihhU56yIBQAxAwPFXMipVanwStjSG2Mteut9q7qg7KCQpR1Hy5WTP?= =?us-ascii?Q?7KOivAol4NHEwoEcZqB2WVuBtogJ2xhJEgMF8H9uUcFFkCPn9cMxOoaBkEzu?= =?us-ascii?Q?v+9543fLobstqFRtPaAf6kBpuY23GkLgALncBWx6wUeL3CsL0YuZjcfg77ry?= =?us-ascii?Q?OMJOK+pUGhA=3D?= X-Forefront-Antispam-Report: CIP:216.228.118.232;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc7edge1.nvidia.com;CAT:NONE;SFS:(13230040)(1800799024)(376014)(7416014)(36860700013)(82310400026);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 31 Oct 2024 16:43:38.2205 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: b8ffd9f5-bab6-42fb-c385-08dcf9cb2b74 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.118.232];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: SJ5PEPF000001EE.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN2PR12MB4285 On Thu, Oct 31, 2024 at 08:59:37AM -0300, Jason Gunthorpe wrote: > On Thu, Oct 31, 2024 at 02:28:12PM +0800, Zhangfei Gao wrote: > > > > As for the implementation of the series, add driver support in ARM SMMUv3 > > > for a real world use case. > > > > > > This series is on Github: > > > https://github.com/nicolinc/iommufd/commits/iommufd_viommu_p2-v6 > > > (QEMU branch for testing will be provided in Jason's nesting series) > > > > Thanks Nico > > > > I tested on aarch64, functions are OK. > > > > But with some hacks > > https://github.com/Linaro/linux-kernel-uadk/commit/22f47d6f3a34a0867a187473bd5ba0e0ee3395d4 > > Hmm, it seems like we should permit IOMMU_HWPT_FAULT_ID_VALID domain > creation on ARM? +1, since we proved PRI could work :) Thanks Nicolin