From 878eda72e24d11e463a25b1dc7097a8d953f17cb Mon Sep 17 00:00:00 2001
From: Michael Wang <wangyun@linux.vnet.ibm.com>
Date: Thu, 20 Sep 2012 08:51:04 +0800
Subject: [PATCH] rcu: Optimize the 'rcudata' for RCU trace

This patch implements the new 'rcudata' interface under each rsp
directory, by using the 'CPU units sequence reading', thus avoiding loss
of tracing data.

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