Messages in this thread | | | Date | Sun, 21 Jun 2009 00:40:35 -0700 | From | "H. Peter Anvin" <> | Subject | Re: RFC: x86: cap iomem_resource to addressable physical memory |
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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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