linux-kernel - Re: [PATCH 1/2] lockdep: check the depth of subclass

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Message-ID: <4CB51922.2080405@dcl.info.waseda.ac.jp>
Date:	Wed, 13 Oct 2010 11:27:46 +0900
From:	Hitoshi Mitake <mitake@....info.waseda.ac.jp>
To:	Dmitry Torokhov <dmitry.torokhov@...il.com>
CC:	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...hat.com>, linux-kernel@...r.kernel.org,
	h.mitake@...il.com, Vojtech Pavlik <vojtech@....cz>,
	Frederic Weisbecker <fweisbec@...il.com>
Subject: Re: [PATCH 1/2] lockdep: check the depth of subclass

On 10/13/10 01:03, Dmitry Torokhov wrote:
 > On Tue, Oct 12, 2010 at 12:27:01PM +0200, Peter Zijlstra wrote:
 >> On Tue, 2010-10-05 at 18:01 +0900, Hitoshi Mitake wrote:
 >>> ---
 >>>   drivers/input/mousedev.c |    2 +-
 >>>   kernel/lockdep.c         |   15 +++++++++++++++
 >>>   2 files changed, 16 insertions(+), 1 deletions(-)
 >>>
 >>> diff --git a/drivers/input/mousedev.c b/drivers/input/mousedev.c
 >>> index d528a2d..9897334 100644
 >>> --- a/drivers/input/mousedev.c
 >>> +++ b/drivers/input/mousedev.c
 >>> @@ -866,7 +866,7 @@ static struct mousedev *mousedev_create(struct 
input_dev *dev,
 >>>   	spin_lock_init(&mousedev->client_lock);
 >>>   	mutex_init(&mousedev->mutex);
 >>>   	lockdep_set_subclass(&mousedev->mutex,
 >>> -			     minor == MOUSEDEV_MIX ? MOUSEDEV_MIX : 0);
 >>> +			     minor == MOUSEDEV_MIX ? SINGLE_DEPTH_NESTING : 0);
 >>
 >> Ah good find.
 >>
 >
 > I'll pick up mousedev change for .37.

Thanks a lot, Dmitry.

Should I divide this patch into two for
drivers/input/mousedev.c and kernel/lockdep.c?
If you need, I'll resend second version.
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