[RFC PATCH 0/9] Remove useless on_each_cpu return value
Peter Zijlstra
a.p.zijlstra at chello.nl
Sat Jan 7 00:03:01 EST 2012
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 at chello.nl>
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