Signed-off-by: NHu Tao <hutao@cn.fujitsu.com>
Acked-by: NMichael S. Tsirkin <mst@redhat.com>
Tested-by: NMichael S. Tsirkin <mst@redhat.com>
Signed-off-by: NMichael S. Tsirkin <mst@redhat.com>

MST: split up patch