On Fri, Aug 12, 2005 at 08:22:28PM +0200, Andi Kleen wrote:
> > --- linux-2.6.13-rc6/arch/x86_64/kernel/mpparse.c~ 2005-08-12 10:19:07.037696416 -0700
> > +++ linux-2.6.13-rc6/arch/x86_64/kernel/mpparse.c 2005-08-12 10:19:38.098974384 -0700
> > @@ -707,7 +707,7 @@
> >
> > processor.mpc_type = MP_PROCESSOR;
> > processor.mpc_apicid = id;
> > - processor.mpc_apicver = 0x10; /* TBD: lapic version */
> > + processor.mpc_apicver = GET_APIC_VERSION(apic_read(APIC_LVR));
>
> That code executes on the BP. What happens when different CPUs have
> different APIC versions? Not sure if that can happen, but it
> still looks a bit like "cheating.
Not sure if we ever support CPUs with different APIC versions. That will
probably require some ACPI SPEC changes too..
I would say, for now just follow the i386 code.
thanks,
suresh
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