Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932462AbVLMFUO (ORCPT ); Tue, 13 Dec 2005 00:20:14 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932460AbVLMFUO (ORCPT ); Tue, 13 Dec 2005 00:20:14 -0500 Received: from e3.ny.us.ibm.com ([32.97.182.143]:58529 "EHLO e3.ny.us.ibm.com") by vger.kernel.org with ESMTP id S932462AbVLMFUM (ORCPT ); Tue, 13 Dec 2005 00:20:12 -0500 Date: Mon, 12 Dec 2005 21:20:39 -0800 From: "Paul E. McKenney" To: Oleg Nesterov Cc: vatsa@in.ibm.com, Keith Owens , Rusty Russell , ajwade@cpe001346162bf9-cm0011ae8cd564.cpe.net.cable.rogers.com, linux-kernel@vger.kernel.org, Dipankar Sarma , Andrew Morton , Ingo Molnar Subject: Re: Semantics of smp_mb() [was : Re: [PATCH] Fix RCU race in access of nohz_cpu_mask ] Message-ID: <20051213052039.GA12539@us.ibm.com> Reply-To: paulmck@us.ibm.com References: <1134344716.5937.11.camel@localhost.localdomain> <18382.1134348547@ocs3.ocs.com.au> <20051212084112.GA3934@in.ibm.com> <439DD082.9508C87C@tv-sign.ru> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <439DD082.9508C87C@tv-sign.ru> User-Agent: Mutt/1.4.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 708 Lines: 20 On Mon, Dec 12, 2005 at 10:33:22PM +0300, Oleg Nesterov wrote: > Srivatsa Vaddagiri wrote: > > > P.S :- Thanks to everybody who reponded clarifying this subject. > > Yes! it was really helpful, thanks to all. I think it would be great > to have Paul's very clear (and short!) explanation somewhere in > Documentation/. Glad you liked it! I need to do an RCU documentation update soon anyway, so will include memory barriers in that update. Thanx, Paul - 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/