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This feature allows the guest to request a UUID from the host for a particular virtio_gpu resource. The UUID can then be shared with other virtio devices, to allow the other host devices to access the virtio_gpu's corresponding host resource. Signed-off-by: David Stevens <stevensd@chromium.org> Acked-by: Michael S. Tsirkin <mst@redhat.com> Link: http://patchwork.freedesktop.org/patch/msgid/20200818071343.3461203-3-stevensd@chromium.org Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>