Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752277Ab0LWM4P (ORCPT ); Thu, 23 Dec 2010 07:56:15 -0500 Received: from hrndva-omtalb.mail.rr.com ([71.74.56.122]:47691 "EHLO hrndva-omtalb.mail.rr.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751701Ab0LWM4O (ORCPT ); Thu, 23 Dec 2010 07:56:14 -0500 X-Authority-Analysis: v=1.1 cv=dquaJDitHqzHCdqWSoZ6IgapSuTzW/4TaRYx9N9k4W8= c=1 sm=0 a=heD8I4ohhdAA:10 a=Q9fys5e9bTEA:10 a=OPBmh+XkhLl+Enan7BmTLg==:17 a=NdegZAw4AoZ6PcTxkKsA:9 a=b291zD9zMvZIjlu5yPX4H8cVTW0A:4 a=PUjeQqilurYA:10 a=OPBmh+XkhLl+Enan7BmTLg==:117 X-Cloudmark-Score: 0 X-Originating-IP: 67.242.120.143 Subject: Re: [PATCH] rtmutex: ensure only the top waiter or higher priority task can take the lock and reduce unrelated boosting From: Steven Rostedt To: Lai Jiangshan Cc: Thomas Gleixner , Ingo Molnar , Peter Zijlstra , Andrew Morton , Dave Young , Darren Hart , Namhyung Kim , LKML , Linus Torvalds In-Reply-To: <4D13114D.5060709@cn.fujitsu.com> References: <4D07330A.7020600@cn.fujitsu.com> <4D083900.1050801@cn.fujitsu.com> <1292386606.5015.1862.camel@gandalf.stny.rr.com> <4D0877D2.10000@cn.fujitsu.com> <1292425462.5015.1895.camel@gandalf.stny.rr.com> <4D13114D.5060709@cn.fujitsu.com> Content-Type: text/plain; charset="ISO-8859-15" Date: Thu, 23 Dec 2010 07:56:10 -0500 Message-ID: <1293108970.22802.9.camel@gandalf.stny.rr.com> Mime-Version: 1.0 X-Mailer: Evolution 2.30.3 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 837 Lines: 23 On Thu, 2010-12-23 at 17:07 +0800, Lai Jiangshan wrote: > On 12/15/2010 11:04 PM, Steven Rostedt wrote: > > On Wed, 2010-12-15 at 16:09 +0800, Lai Jiangshan wrote: > > > > Some English updates. > > Updated, Thank you very much. > Note, I've been working all week on a port for -rt. It required some clean ups, but as I finished (last week), I keep hitting a "hung task" when running dbench in a loop over night. I spent most the week trying to debug it. But I'm starting to think this is something to do with -rt and not your patch. So I'll be posting my patches later today. -- Steve -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/