tree a44dcb4da7c63ea80b9866b7f1b87aa86263d34d
parent a5296ca9df745d8af319282ab5d85439c211bb10
author Anthony Liguori <aliguori@us.ibm.com> 1323721768 -0600
committer Anthony Liguori <aliguori@us.ibm.com> 1323962447 -0600

qom: introduce root device

This is based on Jan's suggestion for how to do unique naming.  The root device
is the root of composition.  All devices are reachable via child<> links from
this device.

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>