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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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