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Subject: Re: [PATCH 1/3] sched: add __rcu annotation
From: Peter Zijlstra <a.p.zijlstra@chello.nl>
To: Lai Jiangshan <laijs@cn.fujitsu.com>
Cc: Ingo Molnar <mingo@elte.hu>,
        "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
        Arnd Bergmann <arnd@arndb.de>, LKML <linux-kernel@vger.kernel.org>
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Date: Tue, 04 Jan 2011 11:17:47 +0100
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On Tue, 2011-01-04 at 16:06 +0800, Lai Jiangshan wrote:
> Add __rcu annotation to :
> 	(struct rq)->sd

That's a broken changelog, it's about as good as:

 i++; /* increment i */

I'm really starting to detest sparse (lock annotations), it keeps adding
these annotations, but does it ever catch an actual bug?