On Tue, Jun 18, 2013 at 10:33 AM, H. Peter Anvin wrote:
> On 06/18/2013 12:28 PM, Yinghai Lu wrote:
>> On Tue, Jun 18, 2013 at 9:29 AM, H. Peter Anvin 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-
On 06/18/2013 12:28 PM, Yinghai Lu wrote:
> On Tue, Jun 18, 2013 at 9:29 AM, H. Peter Anvin 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 t
On Tue, Jun 18, 2013 at 9:29 AM, H. Peter Anvin 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 ?
We need to make them to use PAT instead.
On 06/13/2013 03:17 PM, Yinghai Lu wrote:
> Joshua reported: Commit cd7b304dfaf1 (x86, range: fix missing merge
> during add range) broke mtrr cleanup on his setup in 3.9.5.
> corresponding commit in upstream is fbe06b7bae7c.
>
> *BAD*gran_size: 64K chunk_size: 16M num_reg: 6 lose cover RAM: -0G
Joshua reported: Commit cd7b304dfaf1 (x86, range: fix missing merge
during add range) broke mtrr cleanup on his setup in 3.9.5.
corresponding commit in upstream is fbe06b7bae7c.
*BAD*gran_size: 64K chunk_size: 16M num_reg: 6 lose cover RAM: -0G
https://bugzilla.kernel.org/show_bug.cgi?id=59491
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