linux-kernel - Re: [PATCH 1/2] lockdep: lockdep_set_class_and

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Message-Id: <200609260820.58837.dtor@insightbb.com>
Date:	Tue, 26 Sep 2006 08:20:57 -0400
From:	Dmitry Torokhov <dtor@...ightbb.com>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	linux-kernel@...r.kernel.org, Jiri Kosina <jikos@...os.cz>,
	Andrew Morton <akpm@...l.org>,
	Arjan van de Ven <arjan@...radead.org>,
	Dave Jones <davej@...hat.com>
Subject: Re: [PATCH 1/2] lockdep: lockdep_set_class_and_subclass

On Tuesday 26 September 2006 07:54, Ingo Molnar wrote:
> 
> * Peter Zijlstra <a.p.zijlstra@...llo.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@...llo.nl>
> 
> thanks, this extension to lockdep.c looks good to me - provided it 
> solves the problem :-)
> 
> Acked-by: Ingo Molnar <mingo@...e.hu>
> 

I will try testing it tonight - I have a Synaptics with a pass-through
port. Anyway, it really looks good now as far as serio code concerned.

-- 
Dmitry
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