linux-kernel - Re: [PATCH 1/7] lockdep: Print a nice description of an irq locking issue

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Message-ID: <1303439684.7181.150.camel@gandalf.stny.rr.com>
Date:	Thu, 21 Apr 2011 22:34:44 -0400
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Yong Zhang <yong.zhang0@...il.com>
Cc:	linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...e.hu>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Peter Zijlstra <peterz@...radead.org>,
	"H. Peter Anvin" <hpa@...or.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Subject: Re: [PATCH 1/7] lockdep: Print a nice description of an irq
 locking issue

On Fri, 2011-04-22 at 09:41 +0800, Yong Zhang wrote:

> > I probably should modify the lockdep selftests to add an option to show
> > the output as well as it triggers errors. This would allow me to make
> > sure the output still works.
> 
> This does make sense to keep things consistent if we have it.

Actually, Peter informed me that we already do this. Just need to boot
with debug_locks_verbose=1.

> 
> >
> > But for now, I have other things to work on ;)
> 
> If you want, you can show more details on your ideas,
> maybe I could get some time to finish it :)

Well, I got pretty much what I wanted out for now. I'll probably go and
look later. But by all means, if you find other ways to make lockdep
more readable. Please, don't let me stop you ;)

-- Steve



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