From: Heiko Carstens <heiko.carstens@de.ibm.com>
Date: Wed, 5 Jan 2011 11:47:55 +0000 (+0100)
Subject: [S390] nohz: optimize arch_needs_cpu()
X-Git-Tag: v2.6.38-rc1~461^2~23
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=37e8952174c6c239d1c86125e032fd6ad107a3e6;p=pandora-kernel.git

[S390] nohz: optimize arch_needs_cpu()

arch_needs_cpu() gets always executed on the current cpu. Therefore
the cpu parameter can be ignored it is possible to use __get_cpu_var()
instead of per_cpu() to access the per_cpu variable, which will
generate better code.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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