diff options
| author |   Saeed Mahameed <saeedm@mellanox.com> | 2018-11-19 10:52:34 -0800 |
|---|---|---|
| committer |   Leon Romanovsky <leonro@mellanox.com> | 2018-11-20 20:06:23 +0200 |
| commit | aaa553a64438640ee4e41a2c1027c3435a75c0e7 (patch) | |
| tree | 26038f3c4509730d3b3495e701146f54358c9c49 /drivers/net/ethernet/mellanox/mlx5/core/main.c | |
| parent | net/mlx5: EQ, No need to store eq index as a field (diff) | |
| download | linux-dev-aaa553a64438640ee4e41a2c1027c3435a75c0e7.tar.xz linux-dev-aaa553a64438640ee4e41a2c1027c3435a75c0e7.zip | |
net/mlx5: EQ, Remove redundant completion EQ list lock
Completion EQs list is only modified on driver load/unload, locking is
not required, remove it.
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Reviewed-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/main.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/main.c | 17 |
1 files changed, 3 insertions, 14 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c index f5e6d375a8cc..f692c2a42130 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c @@ -704,7 +704,6 @@ int mlx5_vector2eqn(struct mlx5_core_dev *dev, int vector, int *eqn, int err = -ENOENT; int i = 0; - spin_lock(&table->lock); list_for_each_entry_safe(eq, n, &table->comp_eqs_list, list) { if (i++ == vector) { *eqn = eq->eqn; @@ -713,7 +712,6 @@ int mlx5_vector2eqn(struct mlx5_core_dev *dev, int vector, int *eqn, break; } } - spin_unlock(&table->lock); return err; } @@ -724,14 +722,11 @@ struct mlx5_eq *mlx5_eqn2eq(struct mlx5_core_dev *dev, int eqn) struct mlx5_eq_table *table = &dev->priv.eq_table; struct mlx5_eq *eq; - spin_lock(&table->lock); - list_for_each_entry(eq, &table->comp_eqs_list, list) - if (eq->eqn == eqn) { - spin_unlock(&table->lock); + list_for_each_entry(eq, &table->comp_eqs_list, list) { + if (eq->eqn == eqn) return eq; - } + } - spin_unlock(&table->lock); return ERR_PTR(-ENOENT); } @@ -747,17 +742,13 @@ static void free_comp_eqs(struct mlx5_core_dev *dev) dev->rmap = NULL; } #endif - spin_lock(&table->lock); list_for_each_entry_safe(eq, n, &table->comp_eqs_list, list) { list_del(&eq->list); - spin_unlock(&table->lock); if (mlx5_destroy_unmap_eq(dev, eq)) mlx5_core_warn(dev, "failed to destroy EQ 0x%x\n", eq->eqn); kfree(eq); - spin_lock(&table->lock); } - spin_unlock(&table->lock); } static int alloc_comp_eqs(struct mlx5_core_dev *dev) @@ -798,9 +789,7 @@ static int alloc_comp_eqs(struct mlx5_core_dev *dev) goto clean; } mlx5_core_dbg(dev, "allocated completion EQN %d\n", eq->eqn); - spin_lock(&table->lock); list_add_tail(&eq->list, &table->comp_eqs_list); - spin_unlock(&table->lock); } return 0; |