Re: [PATCH 7/7] driver-core : convert semaphore to mutex in structclass

From: Alan Stern
Date: Thu Jan 17 2008 - 10:16:41 EST


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.

Alan Stern

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