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authorGreg Kroah-Hartman <gregkh@suse.de>2011-02-18 20:11:27 (GMT)
committerGreg Kroah-Hartman <gregkh@suse.de>2011-02-18 20:11:27 (GMT)
commit80ae3fa5d6712ef3625eff617f72e190645d6361 (patch)
treefd9be0ecbb4baa6385aa1a75af7ced5f7d691be4 /drivers/net/virtio_net.c
parent59db5b2b9e0327e545ff5764dadcb26062c2ab1f (diff)
parent85e2efbb1db9a18d218006706d6e4fbeb0216213 (diff)
downloadlinux-80ae3fa5d6712ef3625eff617f72e190645d6361.tar.xz
Merge 2.6.38-rc5 into staging-next
This is to resolve a merge conflict with: drivers/staging/zram/zram_drv.c as pointed out by Stephen Rothwell Cc: Stephen Rothwell <sfr@canb.auug.org.au> Cc: Nitin Gupta <ngupta@vflare.org> Cc: Robert Jennings <rcj@linux.vnet.ibm.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/net/virtio_net.c')
-rw-r--r--drivers/net/virtio_net.c27
1 files changed, 16 insertions, 11 deletions
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index 90a23e4..82dba5a 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -446,6 +446,20 @@ static void skb_recv_done(struct virtqueue *rvq)
}
}
+static void virtnet_napi_enable(struct virtnet_info *vi)
+{
+ napi_enable(&vi->napi);
+
+ /* If all buffers were filled by other side before we napi_enabled, we
+ * won't get another interrupt, so process any outstanding packets
+ * now. virtnet_poll wants re-enable the queue, so we disable here.
+ * We synchronize against interrupts via NAPI_STATE_SCHED */
+ if (napi_schedule_prep(&vi->napi)) {
+ virtqueue_disable_cb(vi->rvq);
+ __napi_schedule(&vi->napi);
+ }
+}
+
static void refill_work(struct work_struct *work)
{
struct virtnet_info *vi;
@@ -454,7 +468,7 @@ static void refill_work(struct work_struct *work)
vi = container_of(work, struct virtnet_info, refill.work);
napi_disable(&vi->napi);
still_empty = !try_fill_recv(vi, GFP_KERNEL);
- napi_enable(&vi->napi);
+ virtnet_napi_enable(vi);
/* In theory, this can happen: if we don't get any buffers in
* we will *never* try to fill again. */
@@ -638,16 +652,7 @@ static int virtnet_open(struct net_device *dev)
{
struct virtnet_info *vi = netdev_priv(dev);
- napi_enable(&vi->napi);
-
- /* If all buffers were filled by other side before we napi_enabled, we
- * won't get another interrupt, so process any outstanding packets
- * now. virtnet_poll wants re-enable the queue, so we disable here.
- * We synchronize against interrupts via NAPI_STATE_SCHED */
- if (napi_schedule_prep(&vi->napi)) {
- virtqueue_disable_cb(vi->rvq);
- __napi_schedule(&vi->napi);
- }
+ virtnet_napi_enable(vi);
return 0;
}