memory_region_add_subregion(address_space_mem, 0xbffffff0, &s->pci_intack);
/* TODO Remove once realize propagates to child devices. */
+ object_property_set_bool(OBJECT(&s->pci_bus), true, "realized", errp);
object_property_set_bool(OBJECT(&s->pci_dev), true, "realized", errp);
}