From 214f1c87bd86f9061fedbae929bc4a7a7089ee75 Mon Sep 17 00:00:00 2001 From: Eric Dumazet Date: Tue, 27 Apr 2010 12:18:13 +0000 Subject: [PATCH] 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: Eric Dumazet Acked-by: Eilon Greenstein Acked-by: Eliezer Tamir Signed-off-by: David S. Miller --- drivers/net/bnx2x_main.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/net/bnx2x_main.c b/drivers/net/bnx2x_main.c index 613f7274654..f706ed191f1 100644 --- a/drivers/net/bnx2x_main.c +++ b/drivers/net/bnx2x_main.c @@ -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? */ -- 2.11.4.GIT