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