Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262120AbVCQQgt (ORCPT ); Thu, 17 Mar 2005 11:36:49 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262076AbVCQQgs (ORCPT ); Thu, 17 Mar 2005 11:36:48 -0500 Received: from viper.oldcity.dca.net ([216.158.38.4]:7130 "HELO viper.oldcity.dca.net") by vger.kernel.org with SMTP id S262001AbVCQQgb (ORCPT ); Thu, 17 Mar 2005 11:36:31 -0500 Subject: Re: [patch 0/3] j_state_lock, j_list_lock, remove-bitlocks From: Lee Revell To: rostedt@goodmis.org Cc: Andrew Morton , mingo@elte.hu, linux-kernel@vger.kernel.org In-Reply-To: References: <20050315120053.GA4686@elte.hu> <20050315133540.GB4686@elte.hu> <20050316085029.GA11414@elte.hu> <20050316011510.2a3bdfdb.akpm@osdl.org> <20050316095155.GA15080@elte.hu> <20050316020408.434cc620.akpm@osdl.org> <20050316101906.GA17328@elte.hu> <20050316024022.6d5c4706.akpm@osdl.org> <20050316031909.08e6cab7.akpm@osdl.org> <1111000818.21369.8.camel@mindpipe> <1111074082.23171.8.camel@mindpipe> Content-Type: text/plain Date: Thu, 17 Mar 2005 11:36:22 -0500 Message-Id: <1111077383.23171.26.camel@mindpipe> Mime-Version: 1.0 X-Mailer: Evolution 2.0.4 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1052 Lines: 28 On Thu, 2005-03-17 at 11:23 -0500, Steven Rostedt wrote: > > On Thu, 17 Mar 2005, Lee Revell wrote: > > > > > Sorry, it's hard to follow this thread. Just to make sure we're all on > > the same page, what exactly is the symptom of this ext3 issue you are > > working on? Is it a performance regression, or a latency issue, or a > > lockup - ? > > > > Whatever your problem is, I am not seeing it. > > > > The root is a lockup. I think you can get this lockup whether or not it > is PREEMPT_RT or PREEPMT_DESKTOP. All you need is CONFIG_PREEMPT turned > on. Then this is what you want to do on a UP Machine. OK, no need to cc: me on this one any more. It's really low priority IMO compared to the big latencies I am seeing with ext3 and "data=ordered". Unless you think there is any relation. Lee - 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/