linux-kernel - Re: 3.14.0+/x86: lockdep and mutexes not getting along

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Message-ID: <20140410172851.GF26782@laptop.programming.kicks-ass.net>
Date:	Thu, 10 Apr 2014 19:28:51 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Jason Low <jason.low2@...com>
Cc:	"Kirill A. Shutemov" <kirill@...temov.name>,
	"Michael L. Semon" <mlsemon35@...il.com>,
	Ingo Molnar <mingo@...nel.org>, linux-kernel@...r.kernel.org
Subject: Re: 3.14.0+/x86: lockdep and mutexes not getting along

On Thu, Apr 10, 2014 at 10:14:44AM -0700, Jason Low wrote:
> So one thing I noticed that is different in the current code is that in
> debug_mutex_unlock(), there is is a possibility that it does not unlock
> the mutex (when !debug_locks). May be interesting to try out this
> patch too:

Yeah; look at a few mails down :-) I spotted it too when I woke up.
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