mirror of https://gitee.com/openkylin/linux.git
net: Remove prefetches from SKB list handlers.
Noticed by Linus. Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -1783,7 +1783,7 @@ static inline int pskb_trim_rcsum(struct sk_buff *skb, unsigned int len)
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#define skb_queue_walk(queue, skb) \
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for (skb = (queue)->next; \
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prefetch(skb->next), (skb != (struct sk_buff *)(queue)); \
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(skb != (struct sk_buff *)(queue)); \
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skb = skb->next)
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#define skb_queue_walk_safe(queue, skb, tmp) \
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@ -1792,7 +1792,7 @@ static inline int pskb_trim_rcsum(struct sk_buff *skb, unsigned int len)
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skb = tmp, tmp = skb->next)
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#define skb_queue_walk_from(queue, skb) \
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for (; prefetch(skb->next), (skb != (struct sk_buff *)(queue)); \
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for (; (skb != (struct sk_buff *)(queue)); \
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skb = skb->next)
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#define skb_queue_walk_from_safe(queue, skb, tmp) \
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@ -1802,7 +1802,7 @@ static inline int pskb_trim_rcsum(struct sk_buff *skb, unsigned int len)
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#define skb_queue_reverse_walk(queue, skb) \
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for (skb = (queue)->prev; \
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prefetch(skb->prev), (skb != (struct sk_buff *)(queue)); \
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(skb != (struct sk_buff *)(queue)); \
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skb = skb->prev)
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#define skb_queue_reverse_walk_safe(queue, skb, tmp) \
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