Messages in this thread | | | Date | Wed, 1 Mar 2006 08:39:13 -0500 | From | Dave Jones <> | Subject | Re: [PATCH] leave APIC code inactive by default on i386 |
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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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