From: Saeed Mahameed Date: Tue, 23 Jun 2015 14:14:22 +0000 (+0300) Subject: net/mlx5e: Prefetch skb data on RX X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=99611ba127cfa13ddaed51f9d3cd1765a8214dd4;p=linux-beck.git net/mlx5e: Prefetch skb data on RX Prefetch the 1st cache line used by the buffer pointed by the skb linear data. Signed-off-by: Saeed Mahameed Signed-off-by: Or Gerlitz Signed-off-by: David S. Miller --- diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c index 760b3ef64f17..9a9374131f5b 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,