linux-kernel - Re: ftrace 2.6.30-rc4: possible circular locking dependency

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Date:	Fri, 8 May 2009 17:10:44 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Steven Rostedt <rostedt@...dmis.org>
Cc:	Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp>,
	LKML <linux-kernel@...r.kernel.org>,
	Rusty Russell <rusty@...tcorp.com.au>
Subject: Re: ftrace 2.6.30-rc4: possible circular locking dependency


* Steven Rostedt <rostedt@...dmis.org> wrote:

> 
> Hi Tetsuo,
> 
> Thanks for the report. But we already have a fix for it. But the change is 
> a bit of design change, and it is one of those things that is hard to know 
> if we should push it up stream this late in the RCs.
> 
> We probably should. But the change affects two different subsystems. It 
> affects ftrace as well as the module code. There's a bit of changes to the 
> module code (Rusty being the maintainer) where we would be more 
> comfortable if it goes via Rusty.
> 
> Rusty and Ingo,
> 
> What is the best way to get this change upstream?
> 
> Reference: http://lkml.org/lkml/2009/4/15/548
> 
> tip git SHA1: 93eb677d74a4f7d3edfb678c94f6c0544d9fbad2

Would be nice to have a non-conflicting version against latest -git 
- which Tetsuo could test as well, and which i could apply if the 
test is successful.

	Ingo
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