On 03/25/2013 01:56 PM, Eduardo Habkost wrote: > >> >> It needs to be possible to fix bugs.... > > It is possible to fix them today: just write a compat function or add a > global variable that is handled by cpu_x86_init(), and call it from the > pc-1.3 machine-type init function. See disable_kvm_pv_eoi() and > enable_compat_apic_id_mode(), for example. > > The difference is that this will be much easier once we introduce the > static properties: then you just need to add the compat property values > to the compat_props field on the machine-type struct. >
It sounds like this is underway, and since the priority for the 486 bit is very low it is better for that bit to just wait. -hpa