Re: [Qemu-devel] [PATCH v2 0/7] APIC/IOAPIC cleanup

[Markus Armbruster]

Anthony Liguori <address@hidden> writes:

> On 08/23/2010 10:10 AM, Markus Armbruster wrote:
>> You lost me.  A few messages upthread.
>>
>> What's the *practical* problem again?
>>    
>
> CPU hotplug adds a local APIC to Sysbus but Sysbus does not allow hot plug.
>
> I believe the right short term way to fix this is to take the local
> APIC off of Sysbus.  The right long term fix is to not make the local
> APIC a qdev device and instead fold it into CPUX86State.

Treating the LAPIC as a part of the CPU makes sense to me.  I can't see,
however, how all the OO-talk in this thread is related to that, and I
can't connect the OO-talk to a practical problem.  Do I miss anything
important?