lkml.org 
[lkml]   [2012]   [Jan]   [6]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [RFC PATCH 0/9] Remove useless on_each_cpu return value
From
Date
On Tue, 2012-01-03 at 16:19 +0200, Gilad Ben-Yossef wrote:
> on_each_cpu() returns as its own return value the return value of
> smp_call_function(). smp_call_function() in turn returns a hard
> coded value of zero.
>
> Some callers to on_each_cpu() waste cycles and bloat code space
> by checking the return value to on_each_cpu(), probably for
> historical reasons.

hysterical raisins,, yumm! :-)

> This patch set refactors callers to not test on_each_cpu()
> (fixed) return value and then refactors on_each_cpu to
> return void to avoid confusing future users.
>

Seems sane enough, fwiw:

Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>


\
 
 \ /
  Last update: 2012-01-06 14:07    [W:0.061 / U:0.980 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site