Linux-kernel mailing list archive 1998-31,: Re: FB and MTRR

# Re: FB and MTRR

Gerd Knorr (kraxel@goldbach.isdn.cs.tu-berlin.de)
Mon, 3 Aug 1998 08:21:49 +0200

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In lists.linux.kernel you write:

>On Sat, 1 Aug 1998, Richard Gooch wrote:
>> Hi, Geert. IIRC, you wrote a note about using the FB code on i386,
>> and at the end you mentioned using /proc/mtrr to speed up

>That wasn't me. I'm no ia32 hacker.

>All _I_ have is m68k, PPC and AXP (yes, since friday!).

>> performance. Why not have the FB code call the mtrr_add() function
>> directly? That's what it's there for: for use by kernel graphics
>> drivers.

>Any ia32 hacker who's willing to look at this?

Already done (but I want boot that kernel at least once before
mailing patches).

While talking about vesafb performance: Any way to tell linux it should use
a 4MB page to map the Framebuffer?

Gerd

    --
    Gerd Knorr <kraxel@cs.tu-berlin.de>

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