aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/net/xen-netback/interface.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/xen-netback/interface.c')
-rw-r--r--drivers/net/xen-netback/interface.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/net/xen-netback/interface.c b/drivers/net/xen-netback/interface.c
index 1a83e190fc15..28577a31549d 100644
--- a/drivers/net/xen-netback/interface.c
+++ b/drivers/net/xen-netback/interface.c
@@ -61,6 +61,12 @@ void xenvif_skb_zerocopy_prepare(struct xenvif_queue *queue,
void xenvif_skb_zerocopy_complete(struct xenvif_queue *queue)
{
atomic_dec(&queue->inflight_packets);
+
+ /* Wake the dealloc thread _after_ decrementing inflight_packets so
+ * that if kthread_stop() has already been called, the dealloc thread
+ * does not wait forever with nothing to wake it.
+ */
+ wake_up(&queue->dealloc_wq);
}
int xenvif_schedulable(struct xenvif *vif)

Privacy Policy