From d7e187c8e9f30543f9cadfed094896ff414acb8f Mon Sep 17 00:00:00 2001
From: "Paul E. McKenney" <paul.mckenney@linaro.org>
Date: Fri, 25 May 2012 11:49:15 -0700
Subject: [PATCH] rcu: Add rcu_barrier() statistics to debugfs tracing

This commit adds an rcubarrier file to RCU's debugfs statistical tracing
directory, providing diagnostic information on rcu_barrier().

Signed-off-by: Paul E. McKenney <paul.mckenney@linaro.org>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
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Reading git-format-patch failed