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Sun, 15 Nov 2026 03:26:10 -0800 From: Shay Drory To: CC: , , , , , , , , , , , , , , Subject: Re: [PATCH net V2] net/mlx5e: rep, Fix races between devcom PAIR event and uplink close Date: Sun, 15 Nov 2026 13:26:02 +0200 Message-ID: <20261115112602.1011088-1-shayd@nvidia.com> X-Mailer: git-send-email 2.38.1 In-Reply-To: <179458366354.2168702.9670595647220092131@kernel.org> References: <20261112182403.3646298-1-tariqt@nvidia.com> <179458366354.2168702.9670595647220092131@kernel.org> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: rnnvmail201.nvidia.com (10.129.68.8) To rnnvmail201.nvidia.com (10.129.68.8) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: MWH0EPF000DD30F:EE_|LV0PR12MB273923:EE_ X-MS-Office365-Filtering-Correlation-Id: 34a64caf-931e-4404-05b7-08df430b48f7 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|23010399003|7416014|376014|1800799024|82310400026|36860700016|10067099003|56012099006|11063799006|4143699003|261026121527099003|261026140227099003|261028144727099003|261022105027099003|261022075727099003|261021121427099003|261102123227099003|18002099003|22082099003|6133799003; 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: w/W8B5HjKNZ6k9OncfFIaoAm+OvoJ14bfOj8gbMKLn/xgt4tBLXzRs/cca83x4ovF9WqYKD9DaGPuegy0zSoGrKswXLh1GPH/Vv9RGRxxKTarTiJ4Uo+duBef2N/Pre38TT7TCIH07C+PwKwa46+Gv4m/b2sd56JhPhbOyaJtgIahsrrBxKJ4PiKyLa2L41zFr3hSLPi8Tnd2L7IvaIpjMWfDFvtzRpxev7lbD9JFKiUCZPWGziCk36dje/LMhUr1tMIOoJIvqKiEJyqvKHMUtjRJ0fnWAEaOfvO4fvQO72GnZdlOmic84Jx9eJCNUwpqa0+vWFzZkIyWA0jCJvE8edB5C5rQ0gMowfnjN36OlIuwo2Z8J0C+fmYn007b1G93N91Tq3E2PdjL0E+3qFdF0OHAnSFlj53D+9koKzeL7TkhuRA3GxIH2YfZIvSxptN X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 15 Nov 2026 11:26:25.6750 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 34a64caf-931e-4404-05b7-08df430b48f7 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: MWH0EPF000DD30F.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: LV0PR12MB273923 On 13/11/2026 17:27, netdev-bot+sinfo@kernel.org wrote: > Hi! > > This is an automated message. This series looks like a fix, but its > commit messages seem to be missing some information: > > - How the issue was discovered, e.g. hit in production, hit during > development, syzbot report, manual code inspection, LLM or static > analysis tool scan. > > - Whether the issue was actually triggered, or is only theoretical > (e.g. found by LLM and not proven at runtime). If it was triggered > please include the symptoms, like the stack trace or kernel messages. > > Please do not repost the series just to address the above. Instead, > reply to this email with the missing information, so that reviewers > can take it into account. If the series needs another revision for > other reasons, please include the information in the commit messages > then. > > The evaluation is done by an LLM so it may be wrong, if you think > that is the case please reply and explain. Hi, The issue was observed during OS boot, while a boot script moved the PFs to switchdev mode. It reproduces by bringing one PF uplink down/up (mlx5e_sqs2vport_stop()) while the peer PF toggles legacy <-> switchdev (devcom PAIR/UNPAIR).