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由 Paolo Bonzini 提交于
If the vring has not been set up, there is nothing in the virtqueue. virtio_queue_host_notifier_aio_poll calls virtio_queue_empty even in this case; we have to filter it out just like virtio_queue_notify_aio_vq. Reported-by: NGerd Hoffmann <kraxel@redhat.com> Tested-by: NAlex Williamson <alex.williamson@redhat.com> Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com> Reviewed-by: NMichael S. Tsirkin <mst@redhat.com> Signed-off-by: NMichael S. Tsirkin <mst@redhat.com> Tested-by: NLaszlo Ersek <lersek@redhat.com> Tested-by: NCornelia Huck <cornelia.huck@de.ibm.com>
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