Re: [PATCH] x86: mtrr cleanup for converting continuous to discrete- auto detect v2

[H. Peter Anvin]

Yinghai Lu wrote:
> >  Overall, I'm feeling there is something really completely wrong if this
> > needs manual tunables of any sort.
>
> the problem is BIOS set MTRR like BIG WB - SOME SAMLL UC to spare mtrr regs.
>
> but later X server driver want to set some range to WC. that already
> is fallen in UC...

That's not the point.  I understand you want to flatten the layout.  The 
point is: why do you need manual tunables for the algorithm to do the 
right thing?

	-hpa
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