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SubjectRe: [PATCH] leave APIC code inactive by default on i386
On Tue, Feb 28, 2006 at 10:36:09PM -0800, Zwane Mwaikambo wrote:

> > The number of systems that actually *need* APIC enabled are in the
> > vast (though growing) minority, so it's unlikely that most newbies
> > will hit this. The problem is also the inverse of what you describe.
> > Typically the distros have DMI lists of machines that *need* APIC
> > to make it enabled by default so everything 'just works'.
> >
> > The big problem the patch solves is allowing it to be possible
> > to build a kernel with UP APIC code, but disabled by default
> > (Because there a lot of older machines that die horribly if it
> > was enabled by default).
>
> The current policy is off if it was disabled by the BIOS. Is the intention
> of this patch to have it off unconditionally unless explicitely enabled by
> kernel parameter?

Yes, (or forced on by dmi string)

Dave


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