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Commit 214f1c87 authored by Eric Dumazet's avatar Eric Dumazet Committed by David S. Miller
Browse files

bnx2x: Remove two prefetch() 



1) Even on 64bit arches, sizeof(struct sk_buff) < 256
2) No need to prefetch same pointer twice.

Signed-off-by: default avatarEric Dumazet <eric.dumazet@gmail.com>
Acked-by: default avatarEilon Greenstein <eilong@broadcom.com>
Acked-by: default avatarEliezer Tamir <eliezer@tamir.org.il>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent d5ffd75a

drivers/net/bnx2x_main.c

+0 −2
Original line number Diff line number Diff line
@@ -1617,7 +1617,6 @@ static int bnx2x_rx_int(struct bnx2x_fastpath *fp, int budget) 
			rx_buf = &fp->rx_buf_ring[bd_cons];

			skb = rx_buf->skb;

			prefetch(skb);

			prefetch((u8 *)skb + 256);

			len = le16_to_cpu(cqe->fast_path_cqe.pkt_len);

			pad = cqe->fast_path_cqe.placement_offset;
@@ -1668,7 +1667,6 @@ static int bnx2x_rx_int(struct bnx2x_fastpath *fp, int budget) 
					dma_unmap_addr(rx_buf, mapping),

						   pad + RX_COPY_THRESH,

						   DMA_FROM_DEVICE);

			prefetch(skb);

			prefetch(((char *)(skb)) + 128);



			/* is this an error packet? */