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Subject: Re: [PATCH 3/3][RFC] cpuidle/tracing: Denote the tracepoints as
 being in rcu_idle_exit() section
From: Steven Rostedt <rostedt@goodmis.org>
To: paulmck@linux.vnet.ibm.com
Cc: linux-kernel@vger.kernel.org, Ingo Molnar <mingo@elte.hu>,
        Andrew Morton <akpm@linux-foundation.org>,
        Rob Herring <robherring2@gmail.com>,
        Nicolas Pitre <nicolas.pitre@linaro.org>,
        Kevin Hilman <khilman@ti.com>, Josh Triplett <josh@joshtriplett.org>,
        Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
        Len Brown <len.brown@intel.com>
Date: Tue, 07 Feb 2012 15:49:45 -0500
In-Reply-To: <20120207154009.GR5941@linux.vnet.ibm.com>
References: <20120207145653.829892056@goodmis.org>
	 <20120207151049.632303467@goodmis.org>
	 <20120207154009.GR5941@linux.vnet.ibm.com>
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On Tue, 2012-02-07 at 07:40 -0800, Paul E. McKenney wrote:
> On Tue, Feb 07, 2012 at 09:56:56AM -0500, Steven Rostedt wrote:
> > From: Steven Rostedt <srostedt@redhat.com>
> > 
> > As the tracepoints in the cpuidle code are called when rcu_idle_exit() is in
> > effect, the _rcuidle() version must be used, otherwise the rcu_read_lock()s
> > that protect the tracepoint will not be honored.
> > 
> > Cc: Len Brown <len.brown@intel.com>
> > Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
> > Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
> 
> Looks good to me!
> 
> Reviewed-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>

Thanks, but does this include patch 2/3 as well?

-- Steve