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virtio_net: flush when in xmit_more mode and under descriptor pressure
author
David S. Miller
<davem@davemloft.net>
Thu, 28 Aug 2014 08:39:49 +0000
(
01:39
-0700)
committer
David S. Miller
<davem@davemloft.net>
Thu, 28 Aug 2014 08:39:49 +0000
(
01:39
-0700)
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
patch
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diff --git
a/drivers/net/virtio_net.c
b/drivers/net/virtio_net.c
index
f0c2824
..
9359a13
100644
(file)
--- 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;