From mboxrd@z Thu Jan 1 00:00:00 1970 From: Frederic Weisbecker Subject: Re: [ANNOUNCE] 2.6.31-rc4-rt1 Date: Sat, 1 Aug 2009 03:20:01 +0200 Message-ID: <20090801012000.GA5309@nowhere> References: <20090731232205.GA7574@nowhere> <4A738F78.9020106@us.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Thomas Gleixner , LKML , rt-users , Ingo Molnar , Steven Rostedt , Peter Zijlstra , Carsten Emde , Clark Williams , Frank Rowand , Robin Gareus , Gregory Haskins , Philippe Reynes , Fernando Lopez-Lezcano , Will Schmidt , Jan Blunck , Sven-Thorsten Dietrich , Jon Masters To: Darren Hart Return-path: Received: from mail-fx0-f217.google.com ([209.85.220.217]:41604 "EHLO mail-fx0-f217.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752121AbZHABUF (ORCPT ); Fri, 31 Jul 2009 21:20:05 -0400 Content-Disposition: inline In-Reply-To: <4A738F78.9020106@us.ibm.com> Sender: linux-rt-users-owner@vger.kernel.org List-ID: On Fri, Jul 31, 2009 at 05:42:32PM -0700, Darren Hart wrote: > 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. Yeah, I just had to register. I'm an idiot. Thanks! > -- > Darren Hart > IBM Linux Technology Center > Real-Time Linux Team