net/mlx4_en: Use prefetch in tx path

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mlx4_en_free_tx_desc() uses a prefetchw(&skb->users) to speed up
consume_skb()
prefetchw(&ring->tx_queue->dql) to speed up BQL update

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Eric Dumazet 2014-10-05 12:35:14 +03:00 • committed by David S. Miller

parent 3d03641cb4

commit 29d40c9032

1 changed files with 9 additions and 0 deletions

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drivers/net/ethernet/mellanox/mlx4/en_tx.c

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