From: Al Viro <[email protected]>
Date: Sun, 16 Oct 2005 00:51:12 +0100
> ... otherwise, things like alpha and sparc64 break and break
> badly. They define cpu_possible_map to something else in smp.h
> *AFTER* having included cpumask.h.
So ugly...
But, it's the best fix for now.
Longer term we might want to make an asm/cpumask.h that can
help allow the platforms to cleanly say "well, mask X is
equivalent to Y, so only instantiate X and define Y to X"
which is all that these two platforms are trying to accomplish.
If you don't support cpu hotplug, present == possible afterall.
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