lkml.org 
[lkml]   [2008]   [Nov]   [20]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [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


\
 
 \ /
  Last update: 2008-11-20 09:25    [W:0.046 / U:0.860 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site