linux-kernel - Re: [PATCH] lockdep: lock contention tracking

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Message-ID: <20070521124655.GA411@elte.hu>
Date:	Mon, 21 May 2007 14:46:55 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Bill Huey <billh@...ppy.monkey.org>
Cc:	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	linux-kernel@...r.kernel.org, Jason Baron <jbaron@...hat.com>,
	Steven Rostedt <rostedt@...dmis.org>
Subject: Re: [PATCH] lockdep: lock contention tracking


* Bill Huey <billh@...ppy.monkey.org> wrote:

> > and regarding C99 style lock initializers: the -rt project has been 
> > removing a whole heap of them in the past 2.5 years, since Oct 2004 
> > or so, and regularly cleansed the upstream kernel for old-style 
> > initializers ever since then - so i'm not sure what you are 
> > referring to.
> 
> Don't worry about it. I did the same work only to realize that there 
> wasn't much left to convert over.

i dont worry about it the least, i only replied to this sentence of 
yours:

> > > I write lockstat without the knowledge that lockdep was 
> > > replicating the same work and I audited 1600 something lock points 
> > > in the kernel to convert the usage of C99 style initializers to 
> > > something more regular.

which combines into this statement of yours: "I audited 1600 something 
lock points in the kernel to convert the usage of C99 style initializers 
something more regular, only to find out that there wasn't much left to 
convert over?", correct? Which begs the question: why did you mention 
this then at all? I usually reply to points made by others in the 
assumption that there's some meaning behind them ;-)

	Ingo
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