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Mon, 13 Apr 2026 03:53:58 -0700 Received: from vdi.nvidia.com (10.127.8.10) by mail.nvidia.com (10.126.190.181) with Microsoft SMTP Server id 15.2.2562.20 via Frontend Transport; Mon, 13 Apr 2026 03:53:54 -0700 From: Tariq Toukan To: Eric Dumazet , Jakub Kicinski , Paolo Abeni , Andrew Lunn , "David S. Miller" CC: Saeed Mahameed , Tariq Toukan , "Mark Bloch" , Leon Romanovsky , Shay Drory , Simon Horman , Kees Cook , Parav Pandit , Patrisious Haddad , Gal Pressman , , , , Dragos Tatulea Subject: [PATCH net V2 0/3] net/mlx5: Fixes for Socket-Direct Date: Mon, 13 Apr 2026 13:53:20 +0300 Message-ID: <20260413105323.186411-1-tariqt@nvidia.com> X-Mailer: git-send-email 2.44.0 Precedence: bulk X-Mailing-List: linux-rdma@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SN1PEPF0002BA52:EE_|PH8PR12MB7280:EE_ X-MS-Office365-Filtering-Correlation-Id: 87dd58ec-042e-4b52-a5f8-08de994afb8a X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|36860700016|376014|82310400026|7416014|1800799024|13003099007|56012099003|18002099003; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:216.228.118.232;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc7edge1.nvidia.com;CAT:NONE;SFS:(13230040)(36860700016)(376014)(82310400026)(7416014)(1800799024)(13003099007)(56012099003)(18002099003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: fZFZIzDRMJ/nF6huSos5jQEg2BaBlvAirsfokA16G1Ib3gdzsfHH6GuugPz91crIXc3V2jZYCK4V4jCxpowcWKXOq7WVT0oR5ogE4Yx3LjacJNT48HefijbP1VRAiV+I/1rFGCtQR5PnSIMHrGOFCgUErZmX9Lcg+CD13qWzFllOHbwjEVuQ+1N/SoeVIrUFs465tkXw0RufcgBlWEWr2KdUKd1E0LFgf3N5xRDR/X3HIhDYqHcC1dYLYQR9Wi37kpKlEWbRtcSVo8A4RwQHLUoQhuV30NiMONp1msupVU2SghwxUXUo6SvBP6hV6Qvp0s5ntaQ53zj4uObFoZtlChSZ8vcclrutQGunFMkVpn3wqyd/L3tx575sk/G12ZHsMGqdAIeB5SotJjkQUsN+jToI5F9jZERPP2OHpkgPmX0/wminATd22gWNTbCfi6AZ X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 13 Apr 2026 10:54:05.8643 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 87dd58ec-042e-4b52-a5f8-08de994afb8a X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.118.232];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: SN1PEPF0002BA52.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH8PR12MB7280 Hi, This series fixes several race conditions and bugs in the mlx5 Socket-Direct (SD) single netdev flow. Patch 1 serializes mlx5_sd_init()/mlx5_sd_cleanup() with mlx5_devcom_comp_lock() and tracks the SD group state on the primary device, preventing concurrent or duplicate bring-up/tear-down. Patch 2 fixes the debugfs "multi-pf" directory being stored on the calling device's sd struct instead of the primary's, which caused memory leaks and recreation errors when cleanup ran from a different PF. Patch 3 fixes a race where a secondary PF could access the primary's auxiliary device after it had been unbound, by holding the primary's device lock while operating on its auxiliary device. Regards, Tariq V2: - Link to V1: https://lore.kernel.org/all/20260330193412.53408-1-tariqt@nvidia.com/ - Reorder the patches so that "net/mlx5: SD: Serialize init/cleanup" is first. - Add MLX5_SD_STATE_DESTROYING to the patch above to solve a concurrent edge case. - Expend commit message of "net/mlx5e: SD, Fix race condition in secondary device probe/remove" Shay Drory (3): net/mlx5: SD: Serialize init/cleanup net/mlx5: SD, Keep multi-pf debugfs entries on primary net/mlx5e: SD, Fix race condition in secondary device probe/remove .../net/ethernet/mellanox/mlx5/core/en_main.c | 18 +++-- .../net/ethernet/mellanox/mlx5/core/lib/sd.c | 70 ++++++++++++++++--- .../net/ethernet/mellanox/mlx5/core/lib/sd.h | 2 + 3 files changed, 77 insertions(+), 13 deletions(-) base-commit: 2dddb34dd0d07b01fa770eca89480a4da4f13153 -- 2.44.0