linux-kernel - Re: [PATCH tip/core/rcu 0/21] v6 add lockdep-based diagnostics to rcu

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Message-ID: <20100225100147.GA28060@elte.hu>
Date:	Thu, 25 Feb 2010 11:01:47 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc:	linux-kernel@...r.kernel.org, laijs@...fujitsu.com,
	dipankar@...ibm.com, akpm@...ux-foundation.org,
	mathieu.desnoyers@...ymtl.ca, josh@...htriplett.org,
	dvhltc@...ibm.com, niv@...ibm.com, tglx@...utronix.de,
	peterz@...radead.org, rostedt@...dmis.org, Valdis.Kletnieks@...edu,
	dhowells@...hat.com
Subject: Re: [PATCH tip/core/rcu 0/21] v6 add lockdep-based diagnostics to
 rcu_dereference()


* Ingo Molnar <mingo@...e.hu> wrote:

> ==============================================
> [ BUG: Unsafe rcu_dereference_check() usage! ]
> ----------------------------------------------

Also, could we please make the message a bit less alarmist, something more in 
line with existing lockdep warnings:

> [ INFO: potentially unsafe rcu_dereference_check() usage detected. ]

... as we should expect quite a few false positives, initially at least.

Thanks,

	Ingo
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