Introduce a new dummy system device serving as parent for virtual
buses. This will enable new pv backends to introduce virtual buses
which are removable again opposed to system buses which are meant
to stay once added.
Signed-off-by: NJuergen Gross <jgross@suse.com>
Acked-by: NAnthony PERARD <anthony.perard@citrix.com>
Reviewed-by: NWei Liu <wei.liu2@citrix.com>
Message-id: 1463062421-613-2-git-send-email-jgross@suse.com
Signed-off-by: NGerd Hoffmann <kraxel@redhat.com>