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    SubjectRe: [PATCH] x86/PCI: never allocate PCI MMIO resources below BIOS_END
    From
    >
    > Agreed. The trickier part is handling any platform devices that
    > request_resource against that space. But maybe we don't need to do
    > anything special; just making sure we avoid it in the PCI "BIOS" code
    > as Bjorn did may be sufficient.
    >

    Why is that hard? If a platform device does a request_resource against
    that space, it's a request for specific address space and it should be
    granted.

    -hpa



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