Re: mtrr question

From: Dave Jones (davej_at_redhat.com)
Date: 06/08/05

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    Date:	Wed, 8 Jun 2005 15:23:35 -0400
To: Nick Warne <nick@linicks.net>

    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

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