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| author | Saeed Mahameed <saeedm@mellanox.com> | 2015-06-23 17:14:22 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-06-24 00:42:41 -0700 |
| commit | 99611ba127cfa13ddaed51f9d3cd1765a8214dd4 (patch) | |
| tree | 3e1720bf504ad6dcca7d4b1166ed4bce2e76c6d1 | |
| parent | a1f5a1a87ac11486b95eebba7fa0127dd7090f65 (diff) | |
| download | linux-stable-99611ba127cfa13ddaed51f9d3cd1765a8214dd4.tar.gz linux-stable-99611ba127cfa13ddaed51f9d3cd1765a8214dd4.tar.bz2 linux-stable-99611ba127cfa13ddaed51f9d3cd1765a8214dd4.zip | |
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 <saeedm@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en_rx.c | 1 |
1 files changed, 1 insertions, 0 deletions
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, |