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Mon, 21 Oct 2024 23:06:46 -0700 Date: Mon, 21 Oct 2024 23:06:45 -0700 From: Nicolin Chen To: Yi Liu CC: , , , , , , , , , , , Subject: Re: [PATCH v2 2/3] iommu/arm-smmu-v3: Make the blocked domain support PASID Message-ID: References: <20241018055824.24880-1-yi.l.liu@intel.com> <20241018055824.24880-3-yi.l.liu@intel.com> Precedence: bulk X-Mailing-List: kvm@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: <20241018055824.24880-3-yi.l.liu@intel.com> X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CY4PEPF0000EDD4:EE_|DS0PR12MB7852:EE_ X-MS-Office365-Filtering-Correlation-Id: 706bf2e8-7def-4872-2602-08dcf25fc106 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|82310400026|376014|7416014|1800799024|36860700013; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?ioB75pAr/40TJGil4Tkp4PAetQhwHsOlgRDCEwR60yC9Lhu5A9lGIMxa6wmg?= =?us-ascii?Q?ziLKcDICthg/vBX/3h/MyFRs1sAJJmQHrvSCpBfFPsduomdU1dQ5lUKYK8Af?= =?us-ascii?Q?ghld7gv2YK8rUna97+eUDTK8zUIl8aR91K1eXwr4ch0fr+w9/ChA1Qxrb0B5?= =?us-ascii?Q?UjKt9KvsFr9eO+NuMHVmVYnOYPjeN5dp7TJFGhbzF2VMbtDnHiXGZjV06Yqa?= =?us-ascii?Q?NJ9LjGPEavRCmjPRGNfFiFuhCh3lH+KVnHQm1PiQ8u7oApHXRp430veL5W5R?= =?us-ascii?Q?kFdGDLmm9f15WNmzB1UTtQegM/LWkniS+F3nR8mlQ7lMxDze7IYBS89V4v62?= =?us-ascii?Q?coOAbH79Vc/Ig/hxTZ0F16GkPhnHNwrKDz/HPCuVxfGfaGzCrjavjeRH1bfM?= =?us-ascii?Q?FnQEkH1P5cmhIFGFOKT/Zgthev5z0Iofglsv7NHfZk1TTmdS8E4qNSE/LmBB?= =?us-ascii?Q?+sHTO/8+nmKg7MaWJYvUcqOZBD971ckl+Ufeux3SnA91SgrBjdn2tL2NPfNB?= =?us-ascii?Q?UDr+vTr5c2wik+k5XZLJUseP2Aa71k00lX6AfMcGmzO0c8K2VECSWVyh7IP2?= =?us-ascii?Q?rho2IIIlR8eWg7r4uG/XFHOphFLwzUK4Cjy2E8ZIwFxTka3ACP0759Qp7Swu?= =?us-ascii?Q?kaN/cV2JYr6CraocZNGvUup/D/ZMGmFuiu/SLL5ueoCp72KMV53LwtYe/Zcj?= =?us-ascii?Q?2sYTvlB9BUYKwfgqroc52YItBk7fjvd0nY2PU+DJNqkFiZ517FVLC4a/oKrV?= =?us-ascii?Q?wo5YbTEY9Y3tWKXy33T335n3WQHuUSjjAnRv/eRMF1kssOmJ5FUeQx5ggj3A?= =?us-ascii?Q?HA5w50xRTXvrtZ9nwNnZyYLMvv5878KZznuBVkNy1VmBeqgjtE3S5T0IF3/Q?= =?us-ascii?Q?HYWWau9rBbl7geCSLFJOsueiZbnuvzgdX3MLLZ2TM0Z86IQ09Cr8+l40skmx?= =?us-ascii?Q?TdyL9JPg4sPmJsYo3HLEOSWnUN71o9AcvcRsfFKdgPfglyGTrz++z6xq/vE3?= =?us-ascii?Q?yeiM54wxbVTca6nOSl+bwtFLOreRKtW7Or0K2h4AbDkUnhfrs4bkLAFoAJ5t?= =?us-ascii?Q?S0T9M6jJQhfNFqcPfihrwYdBDwSIlgfCHJ99NN4W5N5EtcHL6tPfE7BD6IOF?= =?us-ascii?Q?Ss/Feqi+OUVFqy0+cSRNFY8ItKtcw84vaZO9GIV1PV+pygVL7toUVvgBPI6y?= =?us-ascii?Q?UgR5QpVDBuiP3L03yM74b9nWA+O6XBm4CcRZMb/qFHl0pBXhy4jaJDMxQ1MI?= =?us-ascii?Q?ZBuzua5DP1Z+QI2C92C67NbzfR4KG9VKUFk5u4pJyV9eJARewwKN7o1DA065?= =?us-ascii?Q?Ld8owWD7roeTGnwel/4I8yGQ9kys3fh2b+/J+/8w60g25GcS9nEQFLTkm6oh?= =?us-ascii?Q?peRNon4amDMGOgbYfWiqE4tQmMMJWdDEqPcjlq9hQ9JwOwVz4w=3D=3D?= X-Forefront-Antispam-Report: CIP:216.228.117.160;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc6edge1.nvidia.com;CAT:NONE;SFS:(13230040)(82310400026)(376014)(7416014)(1800799024)(36860700013);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 22 Oct 2024 06:07:05.2894 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 706bf2e8-7def-4872-2602-08dcf25fc106 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.160];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: CY4PEPF0000EDD4.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS0PR12MB7852 On Thu, Oct 17, 2024 at 10:58:23PM -0700, Yi Liu wrote: > From: Jason Gunthorpe > > The blocked domain is used to park RID to be blocking DMA state. This > can be extended to PASID as well. By this, the remove_dev_pasid() op > of ARM SMMUv3 can be dropped. > > Signed-off-by: Jason Gunthorpe > Reviewed-by: Kevin Tian > Signed-off-by: Yi Liu Reviewed-by: Nicolin Chen