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Tue, 28 Jul 2026 09:54:51 -0700 Date: Tue, 28 Jul 2026 09:54:49 -0700 From: Nicolin Chen To: Will Deacon CC: , , Robin Murphy , "Joerg Roedel (AMD)" , , , , , Jason Gunthorpe Subject: Re: [PATCH v2 00/11] iommu/tegra241-cmdqv: Fix error-interrupt races and VINTF lifecycle bugs Message-ID: References: <178523230947.340181.5626643238486784200.b4-ty@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <178523230947.340181.5626643238486784200.b4-ty@kernel.org> X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BN1PEPF00006001:EE_|MN0PR12MB5955:EE_ X-MS-Office365-Filtering-Correlation-Id: 4181cf01-a5e3-40b6-ebac-08deecc8fefd X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|36860700016|82310400026|7416014|376014|23010399003|1800799024|6133799003|18002099003|56012099006|22082099003|11063799006|4143699003|10067099003; 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 2bNLn1bGCfQyElXEFEsqKDlSpYBaAK/4SuCVqxSxaV7REf06Ti/uyiZQAMFo6lTKZhnImpJ+C65JsNZEFY6sYwyD/aH5+WfclrBkUV8ViGGv63DR3bK6wYaYEP273cbZVmkFiCSiZUJd698hcCRiivl3+2r6/YrwD5C7CvcFHgKuo4jBm9+LIdPD+0nIBTlMTnygOGBQYtQAnCcOQVF0GwDRT4PMwyBBvc2MpVekeFQiOrNvh/+n3Kjs2xzlOYhhL/pnNpJUDJeoDmucrogFsZT2MaM7BkFnN8uyJOs4WLbNdGiKkmc1OKXWFBfWqKGSB4Mf0zeBkXMKKEf4Q8Nrjt9Lqrfz6XcENah7/eMTX3CAmC5YpjND8slr5HOSzNJ1hf3I1oPJKIhh7IJo5EwRAJzu4p7ifO7RsfvR7NdXtVkvxHg8dAT52WNmvVI+iOI3 X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 28 Jul 2026 16:55:14.7070 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 4181cf01-a5e3-40b6-ebac-08deecc8fefd 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: BN1PEPF00006001.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN0PR12MB5955 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260728_095531_438534_293BC8A6 X-CRM114-Status: GOOD ( 13.53 ) 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 28, 2026 at 12:15:26PM +0100, Will Deacon wrote: > On Tue, 14 Jul 2026 13:54:57 -0700, Nicolin Chen wrote: > > These fix a cluster of bugs reported by Sashiko during patch reviews. The > > patches are ordered roughly most-critical-first, so some later ones fix > > smaller pre-existing issues in the same functions that earlier patches > > touch. > > > > Issues fixed: > > - the error ISR racing VINTF (de)init and reading a NULL, freed, or not > > yet fully initialized slot > > - the probe fallback dereferencing an smmu freed by devm_krealloc() > > - a guest vSID programmed without validating its width or the device's > > Stream ID count > > - VINTF0 leaked on an init-failure path > > - error-map index/bounds handling and a VCMDQ base above the 48-bit limit > > - the error ISR flooding the kernel log under repeated guest errors > > > > [...] > > Applied (apart from patch 10) to iommu (arm/smmu/updates), thanks! Should I respin PATCH-10? Or do you prefer dropping it? Thanks Nicolin