I had sent the original patch to Alan back in the Feb. to correct problems
with XFree 4.0.2 and LE chipsets. I will check that the problem is
corrected with Rev's >5. We would see complete system lockups when the Xfree
server would use write-combining mtrr segments.
-----Original Message-----
From: Dave Jones [mailto:[EMAIL PROTECTED]]
Sent: Sunday, April 29, 2001 8:06 PM
To: Steffen Persvold
Cc: lkml; [EMAIL PROTECTED]
Subject: Re: ServerWorks LE and MTRR
On Sun, 29 Apr 2001, Steffen Persvold wrote:
> ...
> Therefore please consider my small patch to allow the
> good ones to be able to use write-combining. I have several rev 06 and
they are
> working fine with this patch.
> ...
ObPedant:
Can you make a note of this in the comment a few lines above also,
so others who stumble across this code know why the check is there.
afaik, this chipset info isn't public, so it may not be obvious
in the future why the check has been added.
Just something simple like..
- /* ServerWorks LE chipsets have problems with write-combining
+ /* ServerWorks LE chipsets < rev 6 have problems with write-combining
Don't allow it and leave room for other chipsets to be tagged */
Otherwise, if this works for everyone else with rev 6+ serverworks
chipsets, looks ok to me.
regards,
Dave.
--
| Dave Jones. http://www.suse.de/~davej
| SuSE Labs
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