Re: [git pull] x86 fixes

Linus Torvalds
2008-09-09T14:54:58Z

On Tue, 9 Sep 2008, Andi Kleen wrote:

> Krzysztof Halasa <khc@pm.waw.pl> writes:
>
> > Linus Torvalds <torvalds@linux-foundation.org> writes:
> >
> >> - "modern 32-bit": PPro and better. Can take CMOV, MMX and TSC for
> >> granted.
> >
> > VIA C3 (Samuel 2/Ezra, 600 - 1000 MHz?, common on VIA EPIA-*: home
> > theatres etc) can't CMOV.
>
> AFAIK they fixed that in newer BIOS with a microcode update. It's
> slow, but it works.

Well, more practically, the C3 simply _isn't_ a "modern 32-bit" one. It
would fall into the other category of "pre-PPro, but at least better
than i386".

Linus