linux-kernel - Re: [Patch v5 0/9] liblockdep: userspace lockdep

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Message-ID: <20130626122408.GJ28407@twins.programming.kicks-ass.net>
Date:	Wed, 26 Jun 2013 14:24:08 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Sasha Levin <sasha.levin@...cle.com>
Cc:	torvalds@...ux-foundation.org, mingo@...nel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [Patch v5 0/9] liblockdep: userspace lockdep

On Thu, Jun 13, 2013 at 06:41:15PM -0400, Sasha Levin wrote:
> liblockdep is a tiny wrapper built around kernel/lockdep.c. The aim is to
> provide the same functionality the kernel gets from lockdep to userspace.
> 
> The bulk of the code here is the LD_PRELOAD support which provides users
> an easy way to test their code without having to integrate liblockdep into
> said code. Simply doing:
> 
>         lockdep my_app
> 
> Would provide lockdep support to my_app.
> 
> There is also a small test suite to test both mutexes and rwlocks, it's
> based on the tests in lib/locking-selftest.c.
> 
> This entire patch series was reviewed by lockdep maintainers and accepted to
> the tip tree previously. It was pulled out so that the potential merge of
> liblockdep won't delay the rest of the commits in the tip locking tree.
> 
> For some more background about this entire thing, the folks at LWN did
> an awesome overview: http://lwn.net/Articles/536363/
> 

Ingo, I don't think I see anything holding this back; however I remember
reading some email about people not liking stuff like this living in the
tools/ directory or such.

Will you pick this up?
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