From: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Date: Wed, 29 Oct 2014 22:39:39 +0000 (-0700)
Subject: rcu: Protect rcu_boost() lockless accesses with ACCESS_ONCE()
X-Git-Tag: omap-for-v4.1/prcm-dts-mfd-syscon-fix~166^2^2^3~13
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b08ea27d95bcaee6d9cf4edd64f373006661424a;p=pandora-kernel.git

rcu: Protect rcu_boost() lockless accesses with ACCESS_ONCE()

This commit prevents random compiler optimizations by applying
ACCESS_ONCE() to lockless accesses.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
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