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| author | Eric Dumazet <eric.dumazet@gmail.com> | 2010-04-27 12:18:13 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-04-28 09:54:36 -0700 |
| commit | 214f1c87bd86f9061fedbae929bc4a7a7089ee75 (patch) | |
| tree | 316a7fc6bbdd3402d7fbf13a14d5ccfcb1b3960b | |
| parent | d5ffd75a27fade39ba5df3b07290c5a2c297b9bd (diff) | |
| download | linux-exynos-214f1c87bd86f9061fedbae929bc4a7a7089ee75.tar.gz linux-exynos-214f1c87bd86f9061fedbae929bc4a7a7089ee75.tar.bz2 linux-exynos-214f1c87bd86f9061fedbae929bc4a7a7089ee75.zip | |
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 <eric.dumazet@gmail.com>
Acked-by: Eilon Greenstein <eilong@broadcom.com>
Acked-by: Eliezer Tamir <eliezer@tamir.org.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/bnx2x_main.c | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/drivers/net/bnx2x_main.c b/drivers/net/bnx2x_main.c index 613f7274654c..f706ed191f19 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? */ |