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[2/2] virtio_net: flush when in xmit_more mode and under descriptor pressure

Message ID 20140828.014100.627859966122813076.davem@davemloft.net
State Accepted, archived
Delegated to: David Miller
Headers show

Commit Message

David Miller Aug. 28, 2014, 8:41 a.m. UTC 
Mirror the changes made to ixgbe in commit 2367a17390138f68b3aa28f2f220b8d7ff8d91f4
("ixgbe: flush when in xmit_more mode and under descriptor pressure")

Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/virtio_net.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox

Patch

diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index f0c2824..9359a13 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -953,7 +953,7 @@  static netdev_tx_t start_xmit(struct sk_buff *skb, struct net_device *dev)
 		}
 	}
 
-	if (!skb->xmit_more)
+	if (__netif_subqueue_stopped(dev, qnum) || !skb->xmit_more)
 		virtqueue_kick(sq->vq);
 
 	return NETDEV_TX_OK;