network shutdown under heavy load

Commit Message

Herbert Xu Dec. 18, 2009, 1:27 a.m. UTC

None

Patch

diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index 9eec5a5..74b3854 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -521,8 +521,10 @@  static void xmit_tasklet(unsigned long data)
 		vi->svq->vq_ops->kick(vi->svq);
 		vi->last_xmit_skb = NULL;
 	}
-	if (vi->free_in_tasklet)
+	if (vi->free_in_tasklet) {
 		free_old_xmit_skbs(vi);
+		netif_wake_queue(vi->dev);
+	}
 	netif_tx_unlock_bh(vi->dev);
 }