vhost: fix interrupt mitigation with raw sockets

Commit Message

Michael S. Tsirkin March 17, 2010, 2:43 p.m. UTC

None

Patch

diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c
index fcafb6b..a6a88df 100644
--- a/drivers/vhost/net.c
+++ b/drivers/vhost/net.c
@@ -125,7 +125,7 @@  static void handle_tx(struct vhost_net *net)
 	mutex_lock(&vq->mutex);
 	vhost_disable_notify(vq);
 
-	if (wmem < sock->sk->sk_sndbuf * 2)
+	if (wmem < sock->sk->sk_sndbuf / 2)
 		tx_poll_stop(net);
 	hdr_size = vq->hdr_size;