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SubjectRe: [PATCH -tip] x86: cpu_debug.c prepare report if files are inappropriate or CPU is not supported

* Alan Cox <alan@lxorguk.ukuu.org.uk> wrote:

> > > Do you still think that boot_cpu_data.x86_vendor is better option in
> > > case for multiple CPUs.
> >
> > yes. Assymetric SMP never really happened on x86.
>
> It did but not between vendors. You can get away with a vendor
> assumption but cpu type (mixed 486SX/DX, PII/PIII/Celeron) mixed
> steppings and mixed speeds do occur. We've never supported the
> mixed 486SX cases but the PII/PIII cases work (or at least
> worked).

yeah - but look at the specific purpose here: we are deciding
whether to print out state information related to major CPU
features. Mixed steppings/speeds might happen, mixed apic /
non-lapic not really.

Ingo


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