From: Heiko Carstens <heiko.carstens@de.ibm.com>
Date: Thu, 5 Sep 2013 11:26:17 +0000 (+0200)
Subject: s390: enable ARCH_USE_CMPXCHG_LOCKREF
X-Git-Tag: v3.12-rc3~14^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=efc1d23b3d9af8cbff9f26677d67fb9c1b9cb792;p=pandora-kernel.git

s390: enable ARCH_USE_CMPXCHG_LOCKREF

Enable ARCH_USE_CMPXCHG_LOCKREF since it shows performance improvements
with Linus' simple stat() test case of up to 50% on a 30 cpu system.

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

Reading git-diff-tree failed