From a39374a01d2553d96f3a27fddc4064abf75ec5e5 Mon Sep 17 00:00:00 2001
From: Anthony Liguori <aliguori@us.ibm.com>
Date: Mon, 10 Oct 2011 10:27:00 -0500
Subject: [PATCH] virtio-net: attempt to free xmit skbs in napi rx poll

---
 drivers/net/virtio_net.c |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index 1edb7a6..ff1a01e 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -468,6 +468,13 @@ static int virtnet_poll(struct napi_struct *napi, int budget)
 	struct virtnet_info *vi = container_of(napi, struct virtnet_info, napi);
 	void *buf;
 	unsigned int len, received = 0;
+        unsigned int freed_xmit_skbs;
+
+        freed_xmit_skbs = free_old_xmit_skbs(vi);
+        if (freed_xmit_skbs) {
+            virtqueue_disable_cb(vi->svq);
+            netif_wake_queue(vi->dev);
+        }

 again:
 	while (received < budget &&
--
1.7.4.1