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[Qemu-devel] [PULL 26/41] net: vhost stop updates virtio queue state

From: Michael S. Tsirkin
Subject: [Qemu-devel] [PULL 26/41] net: vhost stop updates virtio queue state
Date: Tue, 10 Jan 2017 07:40:25 +0200

From: Yuri Benditovich <address@hidden>

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

Signed-off-by: Yuri Benditovich <address@hidden>
Reviewed-by: Michael S. Tsirkin <address@hidden>
Signed-off-by: Michael S. Tsirkin <address@hidden>
 hw/virtio/vhost.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/hw/virtio/vhost.c b/hw/virtio/vhost.c
index f7f7023..d396b22 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.

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