From: Saeed Mahameed <sae...@mellanox.com>
Prefetch the 1st cache line used by the buffer pointed by
the skb linear data.
Signed-off-by: Saeed Mahameed <sae...@mellanox.com>
Signed-off-by: Or Gerlitz <ogerl...@mellanox.com>
---
drivers/net/ethernet/mellanox/mlx5/core/en_rx.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
index 760b3ef..9a93741 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
@@ -215,6 +215,7 @@ bool mlx5e_poll_rx_cq(struct mlx5e_cq *cq, int budget)
wqe_counter = be16_to_cpu(wqe_counter_be);
wqe = mlx5_wq_ll_get_wqe(&rq->wq, wqe_counter);
skb = rq->skb[wqe_counter];
+ prefetch(skb->data);
rq->skb[wqe_counter] = NULL;
dma_unmap_single(rq->pdev,
--
2.3.7
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