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Miller" , Eric Dumazet , Jakub Kicinski , , Paolo Abeni CC: Akiva Goldberger , Carolina Jubran , Cosmin Ratiu , Edward Srouji , Gal Pressman , Leon Romanovsky , open list , , Mark Bloch , Moshe Shemesh , Or Har-Toov , Patrisious Haddad , Saeed Mahameed , Shay Drory , Tariq Toukan Subject: [PATCH net-next 09/15] net/mlx5: LAG, drop MLX5_MAX_PORTS scratch array from device rescan Date: Tue, 3 Nov 2026 19:10:03 +0200 Message-ID: <20261103171009.563034-10-tariqt@nvidia.com> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20261103171009.563034-1-tariqt@nvidia.com> References: <20261103171009.563034-1-tariqt@nvidia.com> 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-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DM3PEPF000265B4:EE_|IA4PR12MB9833:EE_ X-MS-Office365-Filtering-Correlation-Id: 3c0e5aab-dc70-4700-6d89-08df39cdbed5 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|36860700016|82310400026|376014|1800799024|23010399003|10067099003|22082099003|261102123227099003|18002099003|56012099006|11063799006|261021121427099003|261009223027099003|261021123027099003; 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)(82310400026)(376014)(1800799024)(23010399003)(10067099003)(22082099003)(261102123227099003)(18002099003)(56012099006)(11063799006)(261021121427099003)(261009223027099003)(261021123027099003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: Nkh77kzNH62aUiy9hjKGHww+JnJTjWA3HqRUWtVfEJTry6MJDsUDAQrthYyXfi7MRoBIRWWXhZhWoPGDq67Kg6LufgQnZLzekgbt6xZKN0nIGXiaSQtbDvzou1hjiwtPlnUluss976K9aQy5wZHKdbG1KLm8DM41TbRDOC2OChWNXH4GhifEcUOlqdFy4sR+a8s5rcWlh7PpMqF+Mb9eA7BJohtddcyI19Y6uUG7pyWDbgqz9TE4bszb0guymmZ0/0BrOYek3oFOFYorRs1ANweLRxEuwxsyqMX07RBsBYPGYjOZ5Uy80bquobTLPmFiSS54fN02TGznTQ+hoClpy5QbzSrtaWD4rRKJ1vqzPPFV1UY37O02iwawNzWp1nUNsp5k9xEgNgQtZIADpnt4H00kT5Gv9tI7cIbYxYMybdUI6ftcWymBqGax32TVjWZn X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 03 Nov 2026 17:13:14.1173 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 3c0e5aab-dc70-4700-6d89-08df39cdbed5 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: DM3PEPF000265B4.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: IA4PR12MB9833 From: Shay Drory mlx5_lag_rescan_devices_locked_filter() collected the participating LAG members into a fixed-size devs[MLX5_MAX_PORTS] array only to iterate over it a second time for the rescan calls. Drop the scratch array and re-walk the members directly with mlx5_lag_for_each(). This removes another dependency on the compile-time MLX5_MAX_PORTS bound with no functional change. Signed-off-by: Shay Drory Reviewed-by: Moshe Shemesh Reviewed-by: Mark Bloch Signed-off-by: Tariq Toukan --- drivers/net/ethernet/mellanox/mlx5/core/lag/lag.c | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lag/lag.c b/drivers/net/ethernet/mellanox/mlx5/core/lag/lag.c index b873eb91fd0d..9bc4a929cef3 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/lag/lag.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/lag/lag.c @@ -1341,9 +1341,7 @@ void mlx5_lag_rescan_dev_locked(struct mlx5_lag *ldev, static void mlx5_lag_rescan_devices_locked_filter(struct mlx5_lag *ldev, bool enable, u32 filter) { - struct mlx5_core_dev *devs[MLX5_MAX_PORTS]; struct lag_fn *fn; - int num_devs = 0; int i; mlx5_lag_assert_locked_transition(ldev, filter); @@ -1357,12 +1355,16 @@ static void mlx5_lag_rescan_devices_locked_filter(struct mlx5_lag *ldev, fn->dev->priv.flags &= ~MLX5_PRIV_FLAGS_DISABLE_IB_ADEV; else fn->dev->priv.flags |= MLX5_PRIV_FLAGS_DISABLE_IB_ADEV; - devs[num_devs++] = fn->dev; } mlx5_lag_drop_lock_for_reps(ldev, filter); - for (i = 0; i < num_devs; i++) - mlx5_rescan_drivers_locked(devs[i]); + mlx5_lag_for_each(i, 0, ldev, filter) { + fn = mlx5_lag_fn(ldev, i); + if (fn->dev->priv.flags & MLX5_PRIV_FLAGS_DISABLE_ALL_ADEV) + continue; + + mlx5_rescan_drivers_locked(fn->dev); + } mlx5_lag_retake_lock_after_reps(ldev); } -- 2.44.0