Re: mtrr question

Dave Jones
2005-06-08T19:23:45Z

On Wed, Jun 08, 2005 at 07:17:09PM +0100, Nick Warne wrote:
> Hello everybody,
>
> Dumb question here.
>
> I have an Athlon-thunderbird (1.2Ghz) on kernel 2.4.31 with mttr configured
> and a nVidia Geforce4. /proc/mtrr is empty.

That's odd. you should at least have write-back entries for your system memory.
(Usually set up by the system BIOS)

> Does/is setting up mtrr per the old 1999 Docs/mtrr.txt still relevant
> nowadays? I can't seem to find a definitive answer using Google.

Yes, though the X driver should set them up itself on startup.

Dave