net/mlx4_en: RX, Add a prefetch command for small L1_CACHE_BYTES
A single cacheline might not contain the packet header for small L1_CACHE_BYTES values. Use net_prefetch() as it issues an additional prefetch in this case. Signed-off-by: Tariq Toukan <tariqt@mellanox.com> Reviewed-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -705,7 +705,7 @@ int mlx4_en_process_rx_cq(struct net_device *dev, struct mlx4_en_cq *cq, int bud
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frags = ring->rx_info + (index << priv->log_rx_info);
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va = page_address(frags[0].page) + frags[0].page_offset;
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prefetchw(va);
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net_prefetchw(va);
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/*
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* make sure we read the CQE after we read the ownership bit
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*/
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