Re: [PATCH 2/3] x86: mtrr_cleanup: first 1M should be coverred invar mtrrs

[H. Peter Anvin]

Yinghai Lu wrote:
> On Sat, Oct 4, 2008 at 6:52 PM, H. Peter Anvin <hpa@xxxxxxxxx> wrote:
>
> > There are some systems which, apparently, don't have RAM there.  Don't ask
> > me how or why.
>
> very old system or
> very new system only have super big cache?

Very new system.  That's all I know.  Don't know if they actually 
shipped, but it caused a lot of problems and I recommended to the OEM 
that they fix that.

	-hpa
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