linux-kernel - Re: i8042 lockdep false positive.

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Message-ID: <d120d5000704131315m7b062ca3rd648f27236ae970c@mail.gmail.com>
Date:	Fri, 13 Apr 2007 16:15:59 -0400
From:	"Dmitry Torokhov" <dmitry.torokhov@...il.com>
To:	"Dave Jones" <davej@...hat.com>,
	"Dmitry Torokhov" <dmitry.torokhov@...il.com>,
	"Linux Kernel" <linux-kernel@...r.kernel.org>
Subject: Re: i8042 lockdep false positive.

On 4/13/07, Dave Jones <davej@...hat.com> wrote:
> On Fri, Apr 13, 2007 at 03:18:32PM -0400, Dmitry Torokhov wrote:
>  > Hi Dave,
>  >
>  > On 4/13/07, Dave Jones <davej@...hat.com> wrote:
>  > > I just had a user file the report below, which iirc, was deemed a false
>  > > positive.  Didn't we add something to the code so that lockdep would
>  > > ignore what this was doing ?  Did we regress?
>  > >
>  >
>  > For some reasn lockdep annotations cease to work when you reload
>  > psmouse module. I did not have time to look further.
>
> In the case reported, psmouse was non-modular.
>

OK, I was not precise. Every time we destroy and re-create passthrough
port lockdep starts bitching. For some reason annotation works only
once.

I am more quirious why synaptics could not simply reconnect upon
resume and went into full-blown cleanup/find driver/connect cycle...

-- 
Dmitry
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