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Wed, 16 Sep 2026 19:43:54 -0700 Date: Wed, 16 Sep 2026 19:43:52 -0700 From: Nicolin Chen To: Jason Gunthorpe CC: Catalin Marinas , Jonathan Corbet , , "Joerg Roedel (AMD)" , Jean-Philippe Brucker , , , "Mark Rutland" , Randy Dunlap , "Robin Murphy" , Shuah Khan , "Will Deacon" , David Matlack , "Jean-Philippe Brucker" , Jonathan Cameron , Pasha Tatashin , , Pranjal Shrivastava , "Samiullah Khawaja" , Mostafa Saleh , , Vijayanand Jitta Subject: Re: [PATCH v6 0/9] Organize the SMMUv3 invalidation flow so iommupt can use it Message-ID: References: <0-v6-9cd17417d355+281836-smmu_tlbi_jgg@nvidia.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <0-v6-9cd17417d355+281836-smmu_tlbi_jgg@nvidia.com> X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BN1PEPF00018070:EE_|BL1PR12MB5969:EE_ X-MS-Office365-Filtering-Correlation-Id: 8be12ea5-2c6a-4c27-af33-08df14658d04 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|82310400026|36860700016|23010399003|376014|7416014|10067099003|56012099006|11063799006|18002099003|22082099003|13003099007; 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 5UdHRKKRXhP0KikUbWzpX7cmE8Vyr9XfI4724KWiYsJmUdD+t1APAwZ936VVPoHg5aZLm+qkxrZ5TvvXzzUbHIuBtbxUN3qDFfx7Qna4nomJ7bhpMSZEQDGrZXrkD/2M/4Ks29uFcppHOfXbmLDlVwghmgHZfq7aDLXbY8GOIJuA/KGWtgLDb+o8OhiVnmWEedmzLDj4TkyOv0n/XRLXL+VSfH8ukTqLERWrLjxfxwA3rSZw8mKadFwGfHT2qej+0+TVlaL5pFN31HQAoyv6DCTNHBaooKULaFWLdYOI5d8fX9tcibByv0jbtHIQEVzh3SP9yaJRzkjKQX5Hz+l8jM/Vnp5qaV4VEoMmySJCw/7c+Vsxo3a3FtDWbMV/MTmd/ZPEfROJvC6bNi+zEMHAuoZ5g9j3zeJzQSrL3k0nZtrEAEwCeakJHSw3a7QISBCp X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 17 Sep 2026 02:44:09.8198 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 8be12ea5-2c6a-4c27-af33-08df14658d04 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: BN1PEPF00018070.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BL1PR12MB5969 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260916_194417_957158_2E6801AD X-CRM114-Status: GOOD ( 13.99 ) 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 Wed, Sep 16, 2026 at 09:27:41PM -0300, Jason Gunthorpe wrote: > [ This is part of the patch pile to move SMMUv3 over to the generic page > table, the precursor patches have been merged now: > 1) Organize the SMMUv3 invalidation flow so iommupt can use it > 2) Use the generic iommu page table for SMMUv3 > > The first patch should ideally go to -rc > > The whole branch is here: > https://github.com/jgunthorpe/linux/commits/iommu_pt_arm64/ > v6: > - Rebase to v7.3-rc3 > - Add helpers arm_smmu_pt_level_to_lg2sz(), arm_smmu_pt_lg2sz_to_level(), > arm_smmu_ril_calc_scale(), arm_smmu_ril_calc_num() > - Remove unused leaf_only > - Combine has_range_inv and range_inv_scale_max > - Clarify comment on arm_smmu_iotlb_sync() S1/S2/SVA sanity runs okay. Tested-by: Nicolin Chen