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SubjectRe: [PATCH] x86 boot time check for cpu features
Alan Cox wrote:
>
> > + lea cpuid_fail_msg, %si
> > + call prtstr
> > +1: jmp 1b
> > +cpuid_fail_msg:
> > + .string "Required CPU features are not present - compile kernel for the proper CPU type."
> > +cpuid_pass:
>
> Only one very minor suggestion
>
> 1: hlt
> j 1b
>
> Q: are any of the things you test present in processors only after we
> do magic 'cpuid' enable invocations ?

AFAIK, none of the braindead chips have cmov instructions or PAE support
(only PentiumPro+ and Athlon do). If someone can prove me wrong I'd
like to know.

--

Brian Gerst
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