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Message-ID: <4A738F78.9020106@us.ibm.com>
Date:	Fri, 31 Jul 2009 17:42:32 -0700
From:	Darren Hart <dvhltc@...ibm.com>
To:	Frederic Weisbecker <fweisbec@...il.com>
CC:	Thomas Gleixner <tglx@...utronix.de>,
	LKML <linux-kernel@...r.kernel.org>,
	rt-users <linux-rt-users@...r.kernel.org>,
	Ingo Molnar <mingo@...e.hu>,
	Steven Rostedt <rostedt@...dmis.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Carsten Emde <ce@...g.ch>,
	Clark Williams <williams@...hat.com>,
	Frank Rowand <frank.rowand@...sony.com>,
	Robin Gareus <robin@...eus.org>,
	Gregory Haskins <ghaskins@...ell.com>,
	Philippe Reynes <philippe.reynes@...smpp.fr>,
	Fernando Lopez-Lezcano <nando@...ma.Stanford.EDU>,
	Will Schmidt <will_schmidt@...t.ibm.com>,
	Jan Blunck <jblunck@...e.de>,
	Sven-Thorsten Dietrich <sdietrich@...ell.com>,
	Jon Masters <jcm@...hat.com>
Subject: Re: [ANNOUNCE] 2.6.31-rc4-rt1
Frederic Weisbecker wrote:
> On Thu, Jul 30, 2009 at 02:48:04AM +0200, Thomas Gleixner wrote:
>> Further plans:
>>
>>    1) We seriously want to tackle the elimination of the PREEMPT_RT
>>    annoyance #1, aka BKL. The Big Kernel Lock is still used in ~330
>>    files all across the kernel. A lot of work has been done already to
>>    push down the lock into the code which still thinks it needs to be
>>    protected by it. Some work has been done already in the (a little
>>    bit stale) kill-the-BKL and core/kill-the-BKL branches of the -tip
>>    git tree. If you want to help, please check those branches whether
>>    the code has been tackled already or not to avoid redundant
>>    work. If you decide to take care of one please note it on:
>>
>>        http://rt.wiki.kernel.org/index.php/Big_Kernel_Lock
> 
> 
> We (I) can't write to this file :)
> 
> However, I'll try to attack the remaining bkl that resides in tty...
I took a look at the perms, then the history - looks like you sorted it out.
-- 
Darren Hart
IBM Linux Technology Center
Real-Time Linux Team
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