> @@ -1136,7 +1137,8 @@ int tcp_recvmsg(struct kiocb *iocb, stru > skb = skb_peek_tail(&sk->sk_receive_queue); > if (skb) > available = TCP_SKB_CB(skb)->seq + skb->len - (*seq); > - if ((available < target) && > + dst = __sk_dst_get(sk); > + if ((available < target) && (!dst || (dst->dev != &loopback_dev)) &&
You just added another potential cache miss to a critical path. A bit flag in the socket would be better. But is it really worth this ugly special case? -Andi - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
