From: Michael Wang <wangyun@linux.vnet.ibm.com>
Date: Thu, 20 Sep 2012 00:51:04 +0000 (+0800)
Subject: rcu: Optimize the 'rcudata' for RCU trace
X-Git-Tag: omap-for-v3.8/fixes-for-merge-window-v4-signed~79^2^2~4^6~11
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=878eda72e24d11e463a25b1dc7097a8d953f17cb;p=pandora-kernel.git

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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