qdev: add children before qdev_init
We want the composition tree to to be in order by the time we call qdev_init, so that a single set of the toplevel realize property can propagate all the way down the composition tree. This is not the case so far. Unfortunately, this is incompatible with calling qdev_init in the constructor wrappers for devices, so for now we need to unattach some devices that are created through those wrappers. This will be fixed by removing qdev_init and instead setting the toplevel realize property after machine init. Reviewed-by: NAnthony Liguori <aliguori@us.ibm.com> Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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