Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933132AbXLMVKo (ORCPT ); Thu, 13 Dec 2007 16:10:44 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932350AbXLMVKG (ORCPT ); Thu, 13 Dec 2007 16:10:06 -0500 Received: from e28smtp01.in.ibm.com ([59.145.155.1]:38585 "EHLO e28smtp01.in.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932959AbXLMVKB (ORCPT ); Thu, 13 Dec 2007 16:10:01 -0500 Date: Fri, 14 Dec 2007 02:39:36 +0530 From: Gautham R Shenoy To: Steven Rostedt Cc: linux-kernel@vger.kernel.org, linux-rt-users@vger.kernel.org, Ingo Molnar , Paul E McKenney , Dipankar Sarma , Ted Tso , dvhltc@us.ibm.com, Oleg Nesterov , Andrew Morton , bunk@kernel.org, Josh Triplett , Thomas Gleixner , Peter Zijlstra Subject: Re: [RFC PATCH 0/6] RCU: Preemptible-RCU Message-ID: <20071213210936.GB7304@in.ibm.com> Reply-To: ego@in.ibm.com References: <20071213170348.GA25981@in.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.15+20070412 (2007-04-11) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1712 Lines: 52 Hi Steve, On Thu, Dec 13, 2007 at 12:36:47PM -0500, Steven Rostedt wrote: > On Thu, 13 Dec 2007, Gautham R Shenoy wrote: > > > > > Currently it is based against the latest linux-2.6-sched-devel.git > > > > Awaiting your feedback! > > Hi Gautham, > > Thanks for posting this. I believe this is the same version of preempt RCU > as we have in the RT patch. It seems to be very stable. I ran the RT patch > version of the RCU Preempt (just the Preempt RCU patches without RT on > latest git) on a 64way box and the results seems just as good (if not > slightly better) than classic RCU! I'll rerun this patch series on that > box and post the results. The version of synchronize_sched() that's implemented in this patchset requires these CPU-Hotplug patches --> http://lkml.org/lkml/2007/11/15/239. This is the reason why I rebased it against linux-2.6-sched-devel.git since it already has those patches. > > >From what I'm seening with this, is that it is ready for mainline. These > patches should probably go into -mm and be ready for 2.6.25. If Andrew > wants to wait for my results, I'll run them tonight. > > Thanks Gautham, Paul and Dipankar for all this great work! > Anytime! That probably the only way I could teach myself how RCU works! > -- Steve > Thanks and Regards gautham. -- Gautham R Shenoy Linux Technology Center IBM India. "Freedom comes with a price tag of responsibility, which is still a bargain, because Freedom is priceless!" -- 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/