Re: [PATCH 1/1] x86, e820: Remove direct mapping of reserved spacefor HT hole around 1TB

[H. Peter Anvin]

On 10/16/2012 11:26 AM, Jacob Shin wrote:
> Right, we are (AMD) thinking about the same thing .. how to backport to
> stable kernels of major enterprise OSes
>
> The simplest and the least disruptive solution would be to not map memory
> holes that occur above 4GB, it won't affect 32 bit kernels, and it won't
> touch legacy (under 4GB) area (ISA, the PCI MMIO region ..):
>
> https://lkml.org/lkml/2011/10/20/323
>
> HPA, it would be great if we can first get this patch upstream, and also
> into the stable trees .. and after that, we can work on getting Yinghai's
> mm refactoring in ..

Yes, that makes sense at this point.

	-hpa


--
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.

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