Messages in this thread |  | | | Date | Thu, 20 Nov 2008 09:20:13 +0100 | | From | Ingo Molnar <> | | Subject | Re: [PATCH 1/2] cpumask: centralize cpu_online_map and cpu_possible_map | |
* Rusty Russell <rusty@rustcorp.com.au> wrote:
> (I'll be rinsing this through linux-next; testing feedback and even
> Acked-by's appreciated).> > Each SMP arch defines these themselves. Move them to a central
> location.> > Twists:> 1) Some archs (m32, parisc, s390) set possible_map to all 1, so we add a
> CONFIG_INIT_ALL_POSSIBLE for this rather than break them.
>
> 2) mips and sparc32 '#define cpu_possible_map phys_cpu_present_map'.
> Those archs simply have phys_cpu_present_map replaced everywhere.
>
> 3) Alpha defined cpu_possible_map to cpu_present_map; this is tricky
> so I just manipulate them both in sync.
>
> 4) IA64, cris and m32r have gratuitous 'extern cpumask_t cpu_possible_map'
> declarations.
>
> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Nice cleanup - my earlier acked-by for this concept still stands:
Acked-by: Ingo Molnar <mingo@elte.hu>
Ingo
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