From: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Date: Tue, 18 Feb 2014 17:47:13 +0000 (-0800)
Subject: rcu: Protect ->gp_flags accesses with ACCESS_ONCE()
X-Git-Tag: omap-for-v3.16/fixes-against-rc1~39^2~26^2^2~2^2~18
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=91dc95427a0d30ac2c58d6e943c7f40a3f25d908;p=pandora-kernel.git

rcu: Protect ->gp_flags accesses with ACCESS_ONCE()

A number of ->gp_flags accesses don't have ACCESS_ONCE(), but all of
the can race against other loads or stores.  This commit therefore
applies ACCESS_ONCE() to the unprotected ->gp_flags accesses.

Reported-by: Alexey Roytman <alexey.roytman@oracle.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
---

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