Carsten Otte wrote:
> Hollis Blanchard wrote:
>> On Tue, 2007-10-30 at 22:53 +0100, Carsten Otte wrote:
>>> Zhang, Xiantao wrote:
>>>> Basically, It doesn't impact our side. For patch 2/3, we had
>>>> better find an approach to handle mmio-realted functions, becasue
>>>> they may exist in most archs. For IA64, if this move happens, we
>>>> have to duplicate them in IA64 side. 
>>> Thanks for your feedback. This matches Hollis' view, I'll try to
>>> rework that patch. We're really the only platform without mmio,
>>> that's a s390 special case. I'll leave it in common and find a way
>>> around for s390.
>> 
>> Well, those functions right now are hacks that assume the only
>> in-kernel device is an APIC. That won't even build for anybody who
>> doesn't have vcpu->apic... that's why I say go ahead and move them,
>> and we can worry about it later.
> Right. Xiantao, does ia64 have an apic? Or do you intend to use the
> code different from x86?

Yes, IA64 has sapic which has mostly same logic with apic. So, we can
reuse all ioapic code belongs to x86. I will find the approach to handle
it once IA64 code in.

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