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SubjectRe: [PATCH 30 of 38] xen: implement io_apic_ops
Ingo Molnar wrote:
> it certainly looks thin enough to me although i'm really not sure we
> want to virtualize at the IO-APIC level. Peter, what's your
> opinion/preference?
>

Given that Xen's requirements here are pretty Xen-specific (I don't
imagine that any other virtualization system would work in the same
way), I didn't bother trying to come up with a general "virtualization"
layer at this level - that's why I was pretty blunt about putting xen_*
calls in without any indirection. But the code could certainly be
restructured in a way which would make it simpler to hook Xen as a
side-effect, so long as it was achieving some other goal as well
(general cleanup, big iron architecture support, better msi handling,
whatever...).
J


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