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From: Dmitry Torokhov <dtor@insightbb.com>
To: Jiri Kosina <jikos@jikos.cz>
Cc: Andrew Morton <akpm@osdl.org>,
	lkml <linux-kernel@vger.kernel.org>,
	Arjan van de Ven <arjan@infradead.org>,
	Dave Jones <davej@redhat.com>
Subject: Re: [PATCH 0/3] Synaptics - fix lockdep warnings
Date: Wed, 13 Sep 2006 22:00:50 -0400	[thread overview]
Message-ID: <200609132200.51342.dtor@insightbb.com> (raw)
In-Reply-To: <Pine.LNX.4.64.0609140227500.22181@twin.jikos.cz>

Hi Jiri,

On Wednesday 13 September 2006 20:44, Jiri Kosina wrote:
> Both warnings have been solved by splitting the respective functions to 
> nested and non-nested variants, and calling them from synpatics driver as 
> appropriate.
>  

Unfortunately these patches do not solve the problem in general but
rather fix one specific codepath. As far as I can see the warnings will
return as soon as we add another pass-through port to the link (and I am
considering adding a pass-through port to the trackpoint driver so you
will get chain like i8042-synaptics-ptport-trackpoint-ptport-psmouse).

Plus they are ugly and complicate serio and psmouse cores. I really
don't like this *_nested business as it makes the code aware of possible
usage patterns instead of just being re-entrant.

-- 
Dmitry

  parent reply	other threads:[~2006-09-14  2:00 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-09-14  0:44 [PATCH 0/3] Synaptics - fix lockdep warnings Jiri Kosina
2006-09-14  0:44 ` [PATCH 1/3] " Jiri Kosina
2006-09-14  0:44   ` [PATCH 2/3] " Jiri Kosina
2006-09-14  0:44     ` [PATCH 3/3] " Jiri Kosina
2006-09-14  2:00 ` Dmitry Torokhov [this message]
2006-09-14  8:43   ` [PATCH 0/3] " Jiri Kosina
2006-09-14 13:18     ` Dmitry Torokhov
2006-09-14 14:39       ` Jiri Kosina
2006-09-14 14:58         ` Dmitry Torokhov
2006-09-14 15:03           ` Arjan van de Ven
2006-09-14 15:08           ` Jiri Kosina
2006-09-14 15:51             ` Dmitry Torokhov
2006-09-14 16:00               ` Jiri Kosina
2006-09-14 16:18                 ` Dmitry Torokhov
2006-09-14 18:48                   ` Jiri Kosina
2006-09-14 18:56                     ` Dmitry Torokhov
2006-09-14 19:03                       ` Arjan van de Ven
2006-09-14 19:11                         ` Dmitry Torokhov
2006-09-15  5:33                           ` Arjan van de Ven
2006-09-15 13:20                             ` Dmitry Torokhov
2006-09-15 13:38                               ` Jiri Kosina
2006-09-15 13:51                                 ` Dmitry Torokhov
2006-09-15 13:56                                   ` Dmitry Torokhov
2006-09-14 19:56                       ` Ingo Molnar

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