On Fri, 11 Jan 2019 22:02:50 +0100 Greg Kurz <gr...@kaod.org> wrote: > From: Michael Roth <mdr...@linux.vnet.ibm.com> > > Certain devices types, like memory/CPU, are now being handled using a > hotplug interface provided by a top-level MachineClass. Hotpluggable > host bridges are another such device where it makes sense to use a > machine-level hotplug handler. However, unlike those devices, > host-bridges have a parent bus (the main system bus), and devices with > a parent bus use a different mechanism for registering their hotplug > handlers: qbus_set_hotplug_handler(). This interface currently expects > a handler to be a subclass of DeviceClass, but this is not the case > for MachineClass, which derives directly from ObjectClass. > > Internally, the interface only requires an ObjectClass, so expose that > in qbus_set_hotplug_handler(). > > Cc: Michael S. Tsirkin <m...@redhat.com> > Cc: Eduardo Habkost <ehabk...@redhat.com> > Signed-off-by: Michael Roth <mdr...@linux.vnet.ibm.com> > Signed-off-by: Greg Kurz <gr...@kaod.org> > Reviewed-by: David Gibson <da...@gibson.dropbear.id.au>
Acked-by: Halil Pasic <pa...@linux.ibm.com>
