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Tue, 14 Jul 2026 14:29:21 -0700 Date: Tue, 14 Jul 2026 14:29:20 -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 6/8] iommu/arm-smmu-v3: Populate the tlbi at the top of the call chain Message-ID: References: <0-v3-4e7f64f4e094+85e-smmu_tlbi_jgg@nvidia.com> <6-v3-4e7f64f4e094+85e-smmu_tlbi_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: <6-v3-4e7f64f4e094+85e-smmu_tlbi_jgg@nvidia.com> X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BL02EPF00021F6B:EE_|CY8PR12MB7242:EE_ X-MS-Office365-Filtering-Correlation-Id: 71fc43de-4402-4e59-756c-08dee1ef09df X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|1800799024|7416014|36860700016|82310400026|23010399003|22082099003|18002099003|4143699003|11063799006|56012099006; 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: t6Oh+Oxu68nR626H7zkvIZOn4zwGE3jVRKlA7VZW61l1ypO66ASu8k25xOe+MPY/shJQY7q+3S1XbMtuGG5GIPY5NmtJ3PWC2HT0xD395XZMS0/lXMUYbAXh56FJ9qIM1/N+QGF6hXFxDbNUfjlUhbQza00tw/r+hQGPOD44ZHr/OxR2PO76ZU7Vht+7PWvfT6+vZLkZfMX1Hddz2w1Uq0sEgWPfImqoL6Op4Jgl7BB+hGdI7R18wRR+LiwCNX7taUT276CAEzFusHlXCTtPW/s6s447Gv7XkgtB8Df1JWS9sQyQzhzMm3VVAylFDHeb4eyPG/ffs+ny6tMJ123yXTAcw9Q6j2M4jHWqLWWiNGcmm1l/o7VlWBLOSXfVn5Aak6k+lmwlmoUIs4FELomCK1m6UJRHMKzjvfEIheqRiNdw/4hRIjKsAmgvsX6VNYWt X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 14 Jul 2026 21:29:51.0403 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 71fc43de-4402-4e59-756c-08dee1ef09df X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.161];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: BL02EPF00021F6B.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY8PR12MB7242 On Tue, Jul 14, 2026 at 03:46:06PM -0300, Jason Gunthorpe wrote: > +/* > + * Called by io-pgtable-arm.c for each single table level it wants to remove. > + * size is the size of the table level and granule is the tg in bytes. This must > + * clear the walk cache and any leaves within the range. > + */ > static void arm_smmu_tlb_inv_walk(unsigned long iova, size_t size, > size_t granule, void *cookie) > { > struct arm_smmu_domain *smmu_domain = cookie; > + struct arm_smmu_tlbi tlbi = { > + .tgsz_lg2 = smmu_domain->tgsz_lg2, > + .iova = iova, > + .size = size, > + .iopte_size = smmu_domain->tgsz_lg2, Sashiko reported a typo here, though this gets fixed in patch-7. Nicolin