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    SubjectRe: RFC: x86: cap iomem_resource to addressable physical memory
    Pavel Machek wrote:
    > On Thu 2009-06-11 13:46:52, H. Peter Anvin wrote:
    >> Yinghai Lu wrote:
    >>> do we need do that on every cpu?
    >>>
    >>> looks like we could do that in identify_boot_cpu.
    >>>
    >> What if the CPUs are heterogenous? It's obviously a suboptimal
    >> situation, but it doesn't seem like something we can rely on.
    >
    > Is it ok if that changes during runtime? What if someone hotplugs
    > heterogenous cpu? I'd say basing it on boot cpu seems simplest.
    > Pavel
    >

    If someone hotplugs heterogenous CPUs it should do the right thing if
    the right thing is possible to do. If you already have resource
    assignments that are unfulfillable you're screwed anyway.

    -hpa



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