Re: [PATCH v3 0/2] x86, mtrr: fixs for mtrr_cleanup

[H. Peter Anvin]

On 06/18/2013 12:28 PM, Yinghai Lu wrote:
> On Tue, Jun 18, 2013 at 9:29 AM, H. Peter Anvin <hpa@xxxxxxxxx> wrote:
>>
>> On this subject: what do we need to happen to be able to dump the MTRR
>> cleanup stuff?
> 
> the old x server like to add Write-combining entry in MTRR.
> looks like drm for mga200 is adding that too ?
>

"Old X server" here has been a long time now.  I need to dig into the
MGA200 I guess...

> We need to make them to use PAT instead.

Yes.

	-hpa


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