On Wednesday 15 April 2015 20:30:06 Ding Tianhong wrote: > @@ -489,6 +487,8 @@ static int hip04_mac_start_xmit(struct sk_buff *skb, struct net_device *ndev) > > /* Ensure tx_head update visible to tx reclaim */ > smp_wmb(); > + count++; > + priv->tx_head = TX_NEXT(tx_head); > > Something is wrong here, the comment does not match the code any more, because the smp_wmb() won't actually make the tx_head update visible. Arnd -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
