From: Qiaowei Ren <qiaowei.ren@intel.com>
Date: Sat, 14 Dec 2013 06:25:03 +0000 (+0800)
Subject: x86: replace futex_atomic_cmpxchg_inatomic() with user_atomic_cmpxchg_inatomic
X-Git-Tag: v3.14-rc1~155^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0ee3b6f87d4d748d5362cb47ff33fa1553805cb4;p=pandora-kernel.git

x86: replace futex_atomic_cmpxchg_inatomic() with user_atomic_cmpxchg_inatomic

futex_atomic_cmpxchg_inatomic() is simply the 32-bit implementation of
user_atomic_cmpxchg_inatomic(), which in turn is simply a
generalization of the original code in
futex_atomic_cmpxchg_inatomic().

Use the newly generalized user_atomic_cmpxchg_inatomic() as the futex
implementation, too.

[ hpa: retain the inline in futex.h rather than changing it to a macro ]

Signed-off-by: Qiaowei Ren <qiaowei.ren@intel.com>
Link: http://lkml.kernel.org/r/1387002303-6620-2-git-send-email-qiaowei.ren@intel.com
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
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