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Date: Wed, 07 Feb 2001 09:43:21 -0800
From: "H. Peter Anvin" <hpa@transmeta.com>
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To: Mikael Pettersson <mikpe@csd.uu.se>
CC: Petr Vandrovec <vandrove@vc.cvut.cz>, mingo@redhat.com,
        linux-kernel@vger.kernel.org
Subject: Re: UP APIC reenabling vs. cpu type detection ordering
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Mikael Pettersson wrote:
> 
>  > In other words, I'd like to see a reason for making any vendor-specific
>  > determinations, and if so, they should ideally be centralized to the CPU
>  > feature-determination code.
> 
> The Pentium 4 has a local APIC. It's not 100% compatible with the P6, and
> you sometimes have to know which one you're poking. CPUID returns the
> APIC feature bit. Should we mask its APIC capability? Of course not.
> 

What's so "of course" about it?  It mostly depends on how ugly the
determination is.

	-hpa

-- 
<hpa@transmeta.com> at work, <hpa@zytor.com> in private!
"Unix gives you enough rope to shoot yourself in the foot."
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