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Fri, 15 May 2026 13:31:37 -0700 Date: Fri, 15 May 2026 13:31:36 -0700 From: Nicolin Chen To: Jason Gunthorpe CC: , Jonathan Hunter , "Joerg Roedel" , , , Robin Murphy , "Thierry Reding" , Krishna Reddy , "Will Deacon" , David Matlack , Pasha Tatashin , , Pranjal Shrivastava , Samiullah Khawaja , Mostafa Saleh Subject: Re: [PATCH v2 2/9] iommu/arm-smmu-v3: Use the HW arm_smmu_cmd in cmdq selection functions Message-ID: References: <0-v2-47b2bf710ad5+716ac-smmu_no_cmdq_ent_jgg@nvidia.com> <2-v2-47b2bf710ad5+716ac-smmu_no_cmdq_ent_jgg@nvidia.com> Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <2-v2-47b2bf710ad5+716ac-smmu_no_cmdq_ent_jgg@nvidia.com> X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SJ5PEPF000001F2:EE_|DS5PPF7671D5CC0:EE_ X-MS-Office365-Filtering-Correlation-Id: eadcdd22-f252-4d78-723c-08deb2c1047a X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|36860700016|1800799024|82310400026|7416014|376014|18002099003|22082099003|11063799003|56012099003|4143699003; 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 3sSjJHb/gb/1Q78UD2kt4+ymDgRtrg8QfTl330o+r/8N2dNK8AHlbIf3NJljAQy6Uultmhe+LJUoNApSUTtEmVp6AMhVABHFaXTooHC3ELyTtNlf1cruiQbym4AzFmrGbIFGgMJcX42qAQwvY9ItpQFBQneSqrSt7QChdx961S2rEu+a7gdj0Y38wqsIehFGUb+uLfSEyhpJvCCSiQXY1LWOWc2cXeHkoK3WyP15BwlnVbMBhKGppuD/1eJO+RJOeB4H0TtY/7lJaB7pBB8wH/tdn0DAkidR03YB0WsmgBglvwfhIoRQoDDt4g//+005YnBKaW4YFro7Y8gjIjT/PFEpkkvlzUDPUookUp6zTEUeZKaI7qe0F6A5G9ykUuLWODAVbbMAOcFagcp4u1DUsWpnCdl6VSO4EFWOLZft5rYkmv6cBd0lDsa44gfbRrMg X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 15 May 2026 20:32:00.5406 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: eadcdd22-f252-4d78-723c-08deb2c1047a 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: SJ5PEPF000001F2.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS5PPF7671D5CC0 On Wed, May 13, 2026 at 08:57:41PM -0300, Jason Gunthorpe wrote: > Start removing the use of struct arm_smmu_cmdq_ent, starting at the > lower levels of the call chain. Change the functions that determine what > cmdq to issue the batch to into using struct arm_smmu_cmd directly. > > Reviewed-by: Pranjal Shrivastava > Reviewed-by: Mostafa Saleh > Tested-by: Pranjal Shrivastava > Tested-by: Mostafa Saleh > Signed-off-by: Jason Gunthorpe Reviewed-by: Nicolin Chen