diff --git a/drivers/net/xen-netback/rx.c b/drivers/net/xen-netback/rx.c index b0ce4c6e9b21..95487091763c 100644 --- a/drivers/net/xen-netback/rx.c +++ b/drivers/net/xen-netback/rx.c @@ -92,27 +92,21 @@ static struct sk_buff *xenvif_rx_dequeue(struct xenvif_queue *queue) spin_lock_irq(&queue->rx_queue.lock); skb = __skb_dequeue(&queue->rx_queue); - if (skb) + if (skb) { queue->rx_queue_len -= skb->len; + if (queue->rx_queue_len < queue->rx_queue_max) { + struct netdev_queue *txq; + + txq = netdev_get_tx_queue(queue->vif->dev, queue->id); + netif_tx_wake_queue(txq); + } + } spin_unlock_irq(&queue->rx_queue.lock); return skb; } -static void xenvif_rx_queue_maybe_wake(struct xenvif_queue *queue) -{ - spin_lock_irq(&queue->rx_queue.lock); - - if (queue->rx_queue_len < queue->rx_queue_max) { - struct net_device *dev = queue->vif->dev; - - netif_tx_wake_queue(netdev_get_tx_queue(dev, queue->id)); - } - - spin_unlock_irq(&queue->rx_queue.lock); -} - static void xenvif_rx_queue_purge(struct xenvif_queue *queue) { struct sk_buff *skb; @@ -585,8 +579,6 @@ int xenvif_kthread_guest_rx(void *data) */ xenvif_rx_queue_drop_expired(queue); - xenvif_rx_queue_maybe_wake(queue); - cond_resched(); }