linux-kernel - Re: [PATCH 7/7] driver-core : convert semaphore to mutex in struct class

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Message-ID: <a8e1da0801171745m3f0aa92bjfdf0a2f1e379ad50@mail.gmail.com>
Date:	Fri, 18 Jan 2008 09:45:48 +0800
From:	"Dave Young" <hidave.darkstar@...il.com>
To:	"Alan Stern" <stern@...land.harvard.edu>
Cc:	"Jarek Poplawski" <jarkao2@...il.com>, "Greg KH" <gregkh@...e.de>,
	stefanr@...6.in-berlin.de, david-b@...bell.net,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 7/7] driver-core : convert semaphore to mutex in struct class

On Jan 17, 2008 11:16 PM, Alan Stern <stern@...land.harvard.edu> wrote:
> On Thu, 17 Jan 2008, Dave Young wrote:
>
> > > Your meaning isn't clear.  Do you mean that your patch doesn't generate
> > > any lockdep warnings at all?  Or do you mean that it generates a single
> > > lockdep warning at boot time and then no more warnings afterward?
> >
> > I means the latter one.
>
> That's very bad.
>
> For each type of violation, lockdep only gives one error message.  So
> the fact that you get one message at boot time and then no more doesn't
> mean the code is almost right -- it probably means the code has lots of
> errors and you're seeing only the first one.

You are right, I should have check all possible one.

>
> Alan Stern
>
>
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