From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp2.linuxfoundation.org (smtp2.linux-foundation.org [172.17.192.36]) by mail.linuxfoundation.org (Postfix) with ESMTPS id 7743271 for ; Fri, 29 Jul 2016 04:42:20 +0000 (UTC) Received: from smtprelay.hostedemail.com (smtprelay0242.hostedemail.com [216.40.44.242]) by smtp2.linuxfoundation.org (Postfix) with ESMTPS id 9D1921DB07 for ; Fri, 29 Jul 2016 04:42:18 +0000 (UTC) Received: from smtprelay.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by smtpgrave02.hostedemail.com (Postfix) with ESMTP id D83C123A9 for ; Fri, 29 Jul 2016 01:06:27 +0000 (UTC) Date: Thu, 28 Jul 2016 21:06:23 -0400 From: Steven Rostedt To: "Paul E. McKenney" Message-ID: <20160728210623.696c12d2@grimm.local.home> In-Reply-To: <20160726133551.GU7094@linux.vnet.ibm.com> References: <20160726133551.GU7094@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: jakub@redhat.com, parri.andrea@gmail.com, ksummit-discuss@lists.linuxfoundation.org, peterz@infradead.org, Alan Stern , ramana.radhakrishnan@arm.com, luc.maranget@inria.fr, j.alglave@ucl.ac.uk Subject: Re: [Ksummit-discuss] [TECH TOPIC] Memory model, using ISO C++11 atomic ops List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Tue, 26 Jul 2016 06:35:51 -0700 "Paul E. McKenney" wrote: > On Tue, Jul 26, 2016 at 09:10:32AM -0400, Alan Stern wrote: > > On Tue, 26 Jul 2016, Hannes Reinecke wrote: > > > > > I have been playing around with RCUs and memory barriers quite a lot > > > recently, and found some really 'odd' use-cases in the kernel which > > > would benefit from improvements here. > > > > Could you post one or two examples? It would be interesting to see > > what they involve. > > I would be intersted as well! > Me too, as tracing plays a bit of magic with memory models as well. -- Steve