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From: Ingo Molnar <mingo@elte.hu>
To: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>,
	linux-kernel@vger.kernel.org, Jiri Kosina <jikos@jikos.cz>,
	Andrew Morton <akpm@osdl.org>,
	Arjan van de Ven <arjan@infradead.org>,
	Dave Jones <davej@redhat.com>
Subject: Re: [PATCH 1/2] lockdep: lockdep_set_class_and_subclass
Date: Tue, 26 Sep 2006 13:54:04 +0200	[thread overview]
Message-ID: <20060926115404.GA18283@elte.hu> (raw)
In-Reply-To: <20060926113748.089037000@chello.nl>


* Peter Zijlstra <a.p.zijlstra@chello.nl> wrote:

> Add lockdep_set_class_and_subclass() to the lockdep annotations.
> 
> This annotation makes it possible to assign a subclass on lock init. 
> This annotation is meant to reduce the _nested() annotations by 
> assigning a default subclass.
> 
> One could do without this annotation and rely on lockdep_set_class() 
> exclusively, but that would require a manual stack of struct 
> lock_class_key objects.
> 
> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>

thanks, this extension to lockdep.c looks good to me - provided it 
solves the problem :-)

Acked-by: Ingo Molnar <mingo@elte.hu>

	Ingo

  reply	other threads:[~2006-09-26 12:02 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-09-26 11:31 [PATCH 0/2] serio lockdep annotation Peter Zijlstra
2006-09-26 11:31 ` [PATCH 1/2] lockdep: lockdep_set_class_and_subclass Peter Zijlstra
2006-09-26 11:54   ` Ingo Molnar [this message]
2006-09-26 12:20     ` Dmitry Torokhov
2006-09-26 11:31 ` [PATCH 2/2] serio: lockdep annotation for ps2dev->cmd_mutex and serio->lock Peter Zijlstra
2006-09-26 13:21   ` Jiri Kosina
2006-09-26 13:36     ` Peter Zijlstra
2006-09-26 13:30       ` Ingo Molnar

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