Re: + i386-time-avoid-pit-smp-lockups.patch added to -mm tree

[Nick Piggin]

Andi Kleen wrote:
> > An SMP kernel can boot on UP hardware, in which case I think
> > num_possible_cpus() will be 1, won't it?
>
>
> 0 was a typo, i meant 1 for UP of course. 0 would be nonsensical.

Sure, I realised that. For a UP kernel, the test will compile away.

But Daniel seems to say there is dead code that could be compiled
out for SMP kernels. I just don't think that is possible because the
SMP kernel can boot a UP system where num_possible_cpus() is 1.

--
SUSE Labs, Novell Inc.
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