From: Yuri Benditovich <yuri.benditovich@daynix.com>
Date: Tue, 13 Dec 2016 08:12:06 +0000 (+0200)
Subject: net: vhost stop updates virtio queue state
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=aa94d52142f674c7abe638f9cfb19bd89a99f154;p=qemu.git

net: vhost stop updates virtio queue state

Make virtio queue suitable for push operation from qemu
after vhost was stopped.

Signed-off-by: Yuri Benditovich <yuri.benditovich@daynix.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
---

diff --git a/hw/virtio/vhost.c b/hw/virtio/vhost.c
index f7f70237db..d396b22531 100644
--- a/hw/virtio/vhost.c
+++ b/hw/virtio/vhost.c
@@ -993,6 +993,7 @@ static void vhost_virtqueue_stop(struct vhost_dev *dev,
         virtio_queue_set_last_avail_idx(vdev, idx, state.num);
     }
     virtio_queue_invalidate_signalled_used(vdev, idx);
+    virtio_queue_update_used_idx(vdev, idx);
 
     /* In the cross-endian case, we need to reset the vring endianness to
      * native as legacy devices expect so by default.