linux-kernel - Re: [PATCH 1/3] sched: add _

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Message-ID: <1294136267.2016.105.camel@laptop>
Date:	Tue, 04 Jan 2011 11:17:47 +0100
From:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
To:	Lai Jiangshan <laijs@...fujitsu.com>
Cc:	Ingo Molnar <mingo@...e.hu>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Arnd Bergmann <arnd@...db.de>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/3] sched: add __rcu annotation

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?
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