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Date: Sun, 22 May 2011 20:56:37 -0400 (EDT) From: David Miller <davem@...emloft.net> To: netdev@...r.kernel.org Subject: [PATCH 1/5] net: Remove prefetches from SKB list handlers. Noticed by Linus. Signed-off-by: David S. Miller <davem@...emloft.net> --- include/linux/skbuff.h | 6 +++--- 1 files changed, 3 insertions(+), 3 deletions(-) diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 8276815..09901fd 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -1783,7 +1783,7 @@ static inline int pskb_trim_rcsum(struct sk_buff *skb, unsigned int len) #define skb_queue_walk(queue, skb) \ for (skb = (queue)->next; \ - prefetch(skb->next), (skb != (struct sk_buff *)(queue)); \ + (skb != (struct sk_buff *)(queue)); \ skb = skb->next) #define skb_queue_walk_safe(queue, skb, tmp) \ @@ -1792,7 +1792,7 @@ static inline int pskb_trim_rcsum(struct sk_buff *skb, unsigned int len) skb = tmp, tmp = skb->next) #define skb_queue_walk_from(queue, skb) \ - for (; prefetch(skb->next), (skb != (struct sk_buff *)(queue)); \ + for (; (skb != (struct sk_buff *)(queue)); \ skb = skb->next) #define skb_queue_walk_from_safe(queue, skb, tmp) \ @@ -1802,7 +1802,7 @@ static inline int pskb_trim_rcsum(struct sk_buff *skb, unsigned int len) #define skb_queue_reverse_walk(queue, skb) \ for (skb = (queue)->prev; \ - prefetch(skb->prev), (skb != (struct sk_buff *)(queue)); \ + (skb != (struct sk_buff *)(queue)); \ skb = skb->prev) #define skb_queue_reverse_walk_safe(queue, skb, tmp) \ -- 1.7.4.4 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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