diff options
| author | Michael S. Tsirkin <mst@redhat.com> | 2011-05-20 01:11:23 +0200 |
|---|---|---|
| committer | Rusty Russell <rusty@rustcorp.com.au> | 2011-05-30 03:44:16 +0200 |
| commit | 7a66f784375c5922315bbe879b789ee50b924d26 (patch) | |
| tree | 66585f94de392dedff6bf5f5d057490e68b1cfa7 | |
| parent | virtio: add api for delayed callbacks (diff) | |
| download | linux-7a66f784375c5922315bbe879b789ee50b924d26.tar.xz linux-7a66f784375c5922315bbe879b789ee50b924d26.zip | |
virtio_net: delay TX callbacks
Ask for delayed callbacks on TX ring full, to give the
other side more of a chance to make progress.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
| -rw-r--r-- | drivers/net/virtio_net.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 0cb0b0632672..f6853247a620 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -609,7 +609,7 @@ static netdev_tx_t start_xmit(struct sk_buff *skb, struct net_device *dev) * before it gets out of hand. Naturally, this wastes entries. */ if (capacity < 2+MAX_SKB_FRAGS) { netif_stop_queue(dev); - if (unlikely(!virtqueue_enable_cb(vi->svq))) { + if (unlikely(!virtqueue_enable_cb_delayed(vi->svq))) { /* More just got used, free them then recheck. */ capacity += free_old_xmit_skbs(vi); if (capacity >= 2+MAX_SKB_FRAGS) { |