Cédric Le Goater <c...@kaod.org> writes: > On 5/18/20 7:03 AM, Markus Armbruster wrote: >> The number of stacks is controlled by property "num-stacks". >> pnv_pec_instance_init() creates the maximum supported number, because >> the property has not been set then. pnv_pec_realize() realizes only >> the wanted number. Works, although it can leave unrealized devices >> hanging around in the QOM composition tree. Affects machine powernv9. > > I have used this pattern in many models. Is there a better one ?
The pattern is just fine, we just need to unparent any devices that turn out to be unwanted. Of course, when we already know what's wanted at instance_init time, there's no reason for creating more.
