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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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