Re: RFC: x86: cap iomem_resource to addressable physical memory

[H. Peter Anvin]

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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