Re: [RFC -tip] x86,apic -- reduce disable_apic usage

From: Maciej W. Rozycki
Date: Sun Jul 05 2009 - 12:32:43 EST


On Sun, 5 Jul 2009, Cyrill Gorcunov wrote:

> Here is an attempt to bring more consistency for apic
> presence check. I hope I covered all the code flows.
> Though it's RFC. Please review and test if possible.
>
> -- Cyrill
> ---
> Instead of messing with (cpu_has_apic|disable_apic)
> to check if we have apic functional, better to distinguish
> them by logical kind. cpu_has_apic -- to check if we may
> use apic functionality, disable_apic -- to note that
> apic was disabled via command line.

How do you set cpu_has_apic for systems with discrete local APICs? The
CPUID flag is not set in this case.

Maciej
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