linux-kernel - Re: [git pull] x86 fixes

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Date:	Tue, 9 Sep 2008 07:54:03 -0700 (PDT)
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Andi Kleen <andi@...stfloor.org>
cc:	Krzysztof Halasa <khc@...waw.pl>, Ingo Molnar <mingo@...e.hu>,
	"H. Peter Anvin" <hpa@...or.com>,
	Arjan van de Ven <arjan@...radead.org>,
	x86 maintainers <x86@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [git pull] x86 fixes



On Tue, 9 Sep 2008, Andi Kleen wrote:

> Krzysztof Halasa <khc@...waw.pl> writes:
> 
> > Linus Torvalds <torvalds@...ux-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
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