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 |
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* 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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