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Tue, 14 Jul 2026 14:42:43 -0700 Date: Tue, 14 Jul 2026 14:42:41 -0700 From: Nicolin Chen To: Jason Gunthorpe CC: , "Joerg Roedel (AMD)" , Jean-Philippe Brucker , , Robin Murphy , Will Deacon , David Matlack , "Pasha Tatashin" , , "Pranjal Shrivastava" , Samiullah Khawaja , Mostafa Saleh Subject: Re: [PATCH v3 5/8] iommu/arm-smmu-v3: Precompute the invalidation commands Message-ID: References: <0-v3-4e7f64f4e094+85e-smmu_tlbi_jgg@nvidia.com> <5-v3-4e7f64f4e094+85e-smmu_tlbi_jgg@nvidia.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <5-v3-4e7f64f4e094+85e-smmu_tlbi_jgg@nvidia.com> X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BL6PEPF0001AB50:EE_|IA0PR12MB8422:EE_ X-MS-Office365-Filtering-Correlation-Id: 4459db2a-1a59-49af-268e-08dee1f0e5e1 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|82310400026|23010399003|376014|7416014|36860700016|1800799024|56012099006|18002099003|22082099003|11063799006|4143699003; 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X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Tue, Jul 14, 2026 at 03:46:05PM -0300, Jason Gunthorpe wrote: > Store the required cmd data in the tlbi and just copy it out when > processing each item in the invs list. The cmd form only depends on > if the instance supports RIL or not, otherwise it is always the same. > > This avoids redundant calculations for each invs entry. > > Signed-off-by: Jason Gunthorpe Reviewed-by: Nicolin Chen