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Message-Id: <1434554789-13758-13-git-send-email-ogerlitz@mellanox.com> Date: Wed, 17 Jun 2015 18:26:29 +0300 From: Or Gerlitz <ogerlitz@...lanox.com> To: "David S. Miller" <davem@...emloft.net> Cc: netdev@...r.kernel.org, Amir Vadai <amirv@...lanox.com>, Tal Alon <talal@...lanox.com>, Saeed Mahameed <saeedm@...lanox.com>, Or Gerlitz <ogerlitz@...lanox.com> Subject: [PATCH net-next 12/12] net/mlx5e: Prefetch skb data on RX From: Saeed Mahameed <saeedm@...lanox.com> Prefetch the 1st cache line used by the buffer pointed by the skb linear data. Signed-off-by: Saeed Mahameed <saeedm@...lanox.com> Signed-off-by: Or Gerlitz <ogerlitz@...lanox.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 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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