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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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