Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754701Ab0LOPCD (ORCPT ); Wed, 15 Dec 2010 10:02:03 -0500 Received: from hrndva-omtalb.mail.rr.com ([71.74.56.123]:62150 "EHLO hrndva-omtalb.mail.rr.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754545Ab0LOPCB (ORCPT ); Wed, 15 Dec 2010 10:02:01 -0500 X-Authority-Analysis: v=1.1 cv=NFUeGz0loTdi/T6hXKngYYtckjed7x3pKvNOqmBBK18= c=1 sm=0 a=heD8I4ohhdAA:10 a=Q9fys5e9bTEA:10 a=OPBmh+XkhLl+Enan7BmTLg==:17 a=_YN-YSBCZZuuKr2N7HIA:9 a=dyW98CHlEwFYJEa7U-9C0SUiXwUA: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: Thomas Gleixner Cc: Lai Jiangshan , Lai Jiangshan , Ingo Molnar , Peter Zijlstra , Andrew Morton , Dave Young , Darren Hart , Namhyung Kim , LKML , Linus Torvalds In-Reply-To: References: <4D07330A.7020600@cn.fujitsu.com> <4D083900.1050801@cn.fujitsu.com> <1292386606.5015.1862.camel@gandalf.stny.rr.com> <4D0877D2.10000@cn.fujitsu.com> Content-Type: text/plain; charset="ISO-8859-15" Date: Wed, 15 Dec 2010 10:01:58 -0500 Message-ID: <1292425318.5015.1892.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: 522 Lines: 18 On Wed, 2010-12-15 at 15:52 +0100, Thomas Gleixner wrote: > RT itself will stress test the rtmutex code as much as it goes as we > convert almost every lock into a rtmutex there. > > Steven, could you have a look at that ? > Yep, I'll look to porting it 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/