Re: [PATCH 1/5] stack overflow safe kdump (2.6.16-rc1-i386) - safe_smp_processor_id

[Andi Kleen]

On Wednesday 25 January 2006 08:59, Andrew Morton wrote:
> Andi Kleen <ak@xxxxxxx> wrote:
> > On Wednesday 25 January 2006 08:10, Andrew Morton wrote:
> > > It assumes that all x86 SMP machines have APICs.  That's untrue of
> > > Voyager. I think we can probably live with this assumption - others
> > > would know better than I.
> >
> > Early x86s didn't have APICs and they are still often disabled on not so
> > old mobile CPUs.  I don't think it's a good assumption to make for i386.
>
> But how many of those do SMP?

The SMP kernel should still run on those. Even x86-64 had special code
for this.

-Andi

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