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Message-ID: <3A03665B.91266A06@didntduck.org>
Date: Fri, 03 Nov 2000 20:28:59 -0500
From: Brian Gerst <bgerst@didntduck.org>
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To: Alan Cox <alan@lxorguk.ukuu.org.uk>
CC: Linus Torvalds <torvalds@transmeta.com>,
        Linux kernel mailing list <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] x86 boot time check for cpu features
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Alan Cox wrote:
> 
> > Alan Cox wrote:
> > > Q:      are any of the things you test present in processors only after we
> > >         do magic 'cpuid' enable invocations ?
> >
> > Hmm, after a bit more investigation, it appears that the Cyrix MII
> > processors support cmov instructions, even though we currently don't
> > compile for that processor with -march=i686.  Please ignore this patch
> > until I can come up with something better.
> 
> I believe the MII always has CPUID enabled. It was the older Cyrixes that did
> not. DaveJ is the guru..

Well, according to comments in bugs.h, some broken BIOSes disable cpuid.

--

					Brian Gerst
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