Re: [PATCH net-next v2 2/2] mlx5/core: deduplicate {mlx5_,}eq_update_ci()

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On 08/11/2024 12:49, Parav Pandit wrote:

From: Caleb Sander Mateos <csander@xxxxxxxxxxxxxxx>
Sent: Friday, November 8, 2024 12:01 AM

The logic of eq_update_ci() is duplicated in mlx5_eq_update_ci(). The only
additional work done by mlx5_eq_update_ci() is to increment
eq->cons_index. Call eq_update_ci() from mlx5_eq_update_ci() to avoid
the duplication.

Signed-off-by: Caleb Sander Mateos <csander@xxxxxxxxxxxxxxx>
---
  drivers/net/ethernet/mellanox/mlx5/core/eq.c | 9 +--------
  1 file changed, 1 insertion(+), 8 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eq.c
b/drivers/net/ethernet/mellanox/mlx5/core/eq.c
index 859dcf09b770..078029c81935 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eq.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eq.c
@@ -802,19 +802,12 @@ struct mlx5_eqe *mlx5_eq_get_eqe(struct mlx5_eq
*eq, u32 cc)  }  EXPORT_SYMBOL(mlx5_eq_get_eqe);

  void mlx5_eq_update_ci(struct mlx5_eq *eq, u32 cc, bool arm)  {
-	__be32 __iomem *addr = eq->doorbell + (arm ? 0 : 2);
-	u32 val;
-
  	eq->cons_index += cc;
-	val = (eq->cons_index & 0xffffff) | (eq->eqn << 24);
-
-	__raw_writel((__force u32)cpu_to_be32(val), addr);
-	/* We still want ordering, just not swabbing, so add a barrier */
-	wmb();
+	eq_update_ci(eq, arm);
  }
  EXPORT_SYMBOL(mlx5_eq_update_ci);

  static void comp_irq_release_pci(struct mlx5_core_dev *dev, u16 vecidx)  {
--
2.45.2

Reviewed-by: Parav Pandit <parav@xxxxxxxxxx>


Acked-by: Tariq Toukan <tariqt@xxxxxxxxxx>





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