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SubjectRe: Linux 2.2.4ac1

On Fri, Mar 26, 1999 at 09:25:10AM -0600, Matthew Vanecek wrote:

> Alan Cox wrote:

> > Linux 2.2.4ac1 change notes

> [snip]
> > o K6 MTRR support

> Not to demonstrate my monumental ignorance (oops, too late!), but what
> is that? I've a K6-2/3D-Now. Is this something to take advantage of
> that? I know the latest as supports the 3D-Now (had to get it to
> compile the latest mpg123). Is this something to support 3D-Now?

No, it's not for 3DNow! :) See /usr/src/linux/Documentation/mtrr.txt. I use
it at work (Pentium II) but I dont know how well it works with K6es, at home
(AMD K6-2) it Oopses. (Alan has it, right, Alan ?)

> If not, is anybody working on K6 optimization? Or is it even an issue
> in the kernel?

There is some optimization, i think, but it's mostly for instruction
alignment which is the same as for normal pentiums (correct me if i'm wrong,
anyone.) As for 3DNow! support or optimization, it's not much of a kernel
issue, i believe, because of the nature of the new opcodes.

--
Thomas Wouters <thomas@xs4all.net>

Hi! I'm a .signature virus! copy me into your .signature file to help me spread!

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