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Date: Tue, 10 Jun 2014 17:48:13 +0200
From: Peter Zijlstra <peterz@infradead.org>
To: Frederic Weisbecker <fweisbec@gmail.com>
Cc: LKML <linux-kernel@vger.kernel.org>,
        Andrew Morton <akpm@linux-foundation.org>,
        Ingo Molnar <mingo@kernel.org>, Kevin Hilman <khilman@linaro.org>,
        "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
        Thomas Gleixner <tglx@linutronix.de>,
        Viresh Kumar <viresh.kumar@linaro.org>
Subject: Re: [PATCH 6/6] nohz: Use IPI implicit full barrier against
 rq->nr_running r/w
Message-ID: <20140610154813.GE3213@twins.programming.kicks-ass.net>
References: <1402413309-3415-1-git-send-email-fweisbec@gmail.com>
 <1402413309-3415-7-git-send-email-fweisbec@gmail.com>
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On Tue, Jun 10, 2014 at 05:15:09PM +0200, Frederic Weisbecker wrote:
> +       /*
> +	* More than one running task need preemption.
> +	* nr_running update is assumed to be visible
> +	* after IPI is sent from wakers.
> +	*/

That looks like whitespace damage.

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