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Thu, 28 May 2026 16:21:09 -0700 Date: Thu, 28 May 2026 16:21:08 -0700 From: Nicolin Chen To: Pranjal Shrivastava CC: , Will Deacon , Joerg Roedel , Robin Murphy , Jason Gunthorpe , Mostafa Saleh , Daniel Mentz , Ashish Mhetre , Subject: Re: [PATCH v7 11/11] iommu/arm-smmu-v3: Add KUnit unit tests for Runtime PM Message-ID: References: <20260527221407.1756491-1-praan@google.com> <20260527221407.1756491-12-praan@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CY4PEPF0000E9DC:EE_|SA0PR12MB4447:EE_ X-MS-Office365-Filtering-Correlation-Id: 700b3866-9ff9-4e0b-a084-08debd0fda40 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|36860700016|376014|1800799024|82310400026|18002099003|22082099003|4143699003|56012099006|11063799006|6133799003|5023799004; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:216.228.117.161;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc6edge2.nvidia.com;CAT:NONE;SFS:(13230040)(36860700016)(376014)(1800799024)(82310400026)(18002099003)(22082099003)(4143699003)(56012099006)(11063799006)(6133799003)(5023799004);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: sDGRJ/3F7DJWE3AC3yXaGJll+h15iJYw/hzLHwtWoZKDmUdondaGPwApI5sjcceBEHTZM8turORdZjbo75PHOgie70gtyJRG8AcIrtx6mwDT4QMhbl2jNvAWhvMTHaCJ28HMdYA+bbBSUvowdnq3n26pFTktGb7LwkLPWRBaKqzEy0OQJwTb56T3hkD7dPt+lTWAH7NwoZDwV+CHVE4Pf9vhqBataaWmdM2qrWBG1g/BHKr+n+N+1s4OWUqM3JSciDrp3PdycGdFGorYg2401rNXe2dm6lZhampZo2Rzptxsw/7w0b1jo51EUjpVxFsdz84wtDHjAvXUK/AzwJWLoCmo1mLnNXfkuJrnAOJ5AASTs7nxzkT+0ZMl0IbZmoK+zGcC36uM3+PEBIBSMdOcvLZRuB2l4XjTNvH2dhiXUTK5cUcUrBSEZ7w9D9kxdwCE X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 28 May 2026 23:21:31.5794 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 700b3866-9ff9-4e0b-a084-08debd0fda40 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: CY4PEPF0000E9DC.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA0PR12MB4447 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260528_162140_070461_9DC237A5 X-CRM114-Status: GOOD ( 18.71 ) 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 Thu, May 28, 2026 at 11:10:50PM +0000, Pranjal Shrivastava wrote: > On Thu, May 28, 2026 at 02:43:57PM -0700, Nicolin Chen wrote: > > On Wed, May 27, 2026 at 10:14:07PM +0000, Pranjal Shrivastava wrote: > > > Introduce a kunit selftests to verify the Runtime PM elision gating, > > > post-suspend elisions and progress on resumption under active > > > invalidation load. Simulate concurrent HW suspension using a timer. > > > Mock all HW registers and CMDQ buffers by allocating them on RAM. > > > Make the mock CMDQ self-consuming to avoid hitting queue_full scenarios. > > > > > > Signed-off-by: Pranjal Shrivastava > > > > Maybe I am wrong, yet this reads like an entirely AI-generated code. > > So, should it have an Assisted-by? > > > > Agh, It appears I made an error during the final send and mistakenly > posted an old WIP version of this patch! I created a patch file before > committing the final changes. This has remnants of older experiments and > lacks severals other cleanups! > > I'm aware of the AI usage guidelines. However, this is not an entirely AI > generated patch, it's a pre-cleanup snapshot of a WIP version where I had > multiple rpm tests (an attempt to use kthreads to simulate races) that > were using shared functions like the mock_cmdq etc. remnants of which > are seen in this patch. *FACEPALM*. It'd be still very nice to have a KUNIT coverage. Nicolin