From: liguang <lig.fnst@cn.fujitsu.com>
Date: Tue, 30 Apr 2013 22:27:25 +0000 (-0700)
Subject: kernel/smp.c: use '|=' for csd_lock
X-Git-Tag: omap-for-v3.10/dt-fixes-for-merge-window~88^2~80
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1def1dc91715acdb6dddfaed1a44149d42d8063c;p=pandora-kernel.git

kernel/smp.c: use '|=' for csd_lock

csd_lock() uses assignment to data->flags rather than |=.  That is not
buggy at present because only one bit (CSD_FLAG_LOCK) is defined in
call_single_data.flags.

But it will become buggy if we later add another flag, so fix it now.

Signed-off-by: liguang <lig.fnst@cn.fujitsu.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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