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Date: Mon, 23 Aug 2010 12:47:41 -0500
From: Anthony Liguori <anthony@codemonkey.ws>
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Subject: Re: [Qemu-devel] [PATCH v2 0/7] APIC/IOAPIC cleanup
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To: Markus Armbruster <armbru@redhat.com>
Cc: Blue Swirl <blauwirbel@gmail.com>, "Liu @mail.corp.redhat.com>> \"Liu,
	Jinsong\"" <jinsong.liu@intel.com>, qemu-devel <qemu-devel@nongnu.org>, Avi Kivity <avi@redhat.com>, Paul Brook <paul@codesourcery.com>

On 08/23/2010 12:36 PM, Markus Armbruster wrote:
> Anthony Liguori<anthony@codemonkey.ws>  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?
>    

It's abstract talk about what the qdev object module includes, what it 
doesn't include, and what the interfaces are.

It started because I claimed that the lapic doesn't fit the qdev object 
module and Avi disagrees.

Regards,

Anthony Liguori