The previous effort to make apic hot-plugable is thread: [PATCH V3] Introduce a new bus "ICC" to connect APIC refer to : http://lists.gnu.org/archive/html/qemu-devel/2011-11/msg00413.html
But now, we are with qom. So remodeling the apic as a kid of CPUState (neglect the dependent apic, which is not usual any longer). Any comments or suggesion?
