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[2620:137:e000::1:20]) by mx.google.com with ESMTP id hp36-20020a1709073e2400b007ac60b83407si1208896ejc.725.2022.12.03.12.59.07; Sat, 03 Dec 2022 12:59:27 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=awbXa8im; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229948AbiLCUoQ (ORCPT + 82 others); Sat, 3 Dec 2022 15:44:16 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36056 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229945AbiLCUoN (ORCPT ); Sat, 3 Dec 2022 15:44:13 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AC1341B783 for ; Sat, 3 Dec 2022 12:44:08 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 5C68DB8074C for ; Sat, 3 Dec 2022 20:44:07 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 12941C433C1; Sat, 3 Dec 2022 20:44:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1670100246; bh=a6sSeO9Fi0kBAh8kX/DYgBkC7uzxBTpsrsgIgsKcnSs=; h=Date:From:To:Cc:Subject:Reply-To:References:In-Reply-To:From; b=awbXa8im7Dxz5yyeU6Sy40ZKJil74E9cydPOcJl8eZJVs9cVljHIMiVcXduDK82/Q +Nrr6npx7gN2eyMIwqZTfowklWixgLrF87iIRq2KcE1vwztOHlkJIbqQwseSXXQ2/q N1fw5yoEnTfERgtDBjsKT0E7sAa5b4WpSUSw+oF9ep/brUQm9n0f3rxIQf+inPSe56 qHBCROlhGU60FEfKkxE0az8SaRl8OvAC7ypjEXbbFux1DQ4tLseFZvh8Iqe0EMRvkZ rzv09oIpWI+cvmfDkZo+mg2SinMEDq9B0Je+LlJCyAs9Fdk4liQMg/P3h7ixEk/DzP +OyP5d79qaPvg== Received: by paulmck-ThinkPad-P17-Gen-1.home (Postfix, from userid 1000) id B50715C115F; Sat, 3 Dec 2022 12:44:05 -0800 (PST) Date: Sat, 3 Dec 2022 12:44:05 -0800 From: "Paul E. McKenney" To: "stern@rowland.harvard.edu" Cc: Jonas Oberhauser , Boqun Feng , "parri.andrea@gmail.com" , "will@kernel.org" , "peterz@infradead.org" , "npiggin@gmail.com" , "dhowells@redhat.com" , "j.alglave@ucl.ac.uk" , "luc.maranget@inria.fr" , "akiyks@gmail.com" , "dlustig@nvidia.com" , "joel@joelfernandes.org" , "urezki@gmail.com" , "quic_neeraju@quicinc.com" , "frederic@kernel.org" , "linux-kernel@vger.kernel.org" Subject: Re: [PATCH v2] tools: memory-model: Make plain accesses carry dependencies Message-ID: <20221203204405.GW4001@paulmck-ThinkPad-P17-Gen-1> Reply-To: paulmck@kernel.org References: <20221202125100.30146-1-jonas.oberhauser@huaweicloud.com> <4262e55407294a5989e766bc4dc48293@huawei.com> <20221203190226.GR4001@paulmck-ThinkPad-P17-Gen-1> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Spam-Status: No, score=-7.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_HI, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, Dec 03, 2022 at 03:34:20PM -0500, stern@rowland.harvard.edu wrote: > On Sat, Dec 03, 2022 at 11:02:26AM -0800, Paul E. McKenney wrote: > > On Sat, Dec 03, 2022 at 11:58:36AM +0000, Jonas Oberhauser wrote: > > > > > > > > > -----Original Message----- > > > From: Boqun Feng [mailto:boqun.feng@gmail.com] > > > Sent: Friday, December 2, 2022 7:50 PM > > > > > > I wonder is this patch a first step to solve the OOTA problem you reported in OSS: > > > > https://static.sched.com/hosted_files/osseu2022/e1/oss-eu22-jonas.pdf > > > > If so maybe it's better to put the link in the commit log I think. > > > > > > It's not directly related to that specific problem, it does solve some other OOTA issues though. > > > If you think we should link to the talk, there's also a video with slightly more updated slides from the actual talk: https://www.youtube.com/watch?v=iFDKhIxKhoQ > > > do you think I should link to both then? > > > > It is not hard for me to add that in if people believe that it should be > > included. But default is lazy in this case. ;-) > > I don't think there's any need to mention that video in the commit log. > It's an introductory talk, and it's pretty safe to assume that anyone > reading the commit because they are interested in the LKMM in great > detail is already beyond the introductory level. > > On the other hand, it wouldn't hurt to include a Link: tag to an > appropriate message in this email thread. (I leave it up to Paul to > decide which message is most "appropriate" -- there may not be a good > candidate, because a lot of the messages were not CC'ed to LKML.) For this approach, I would add this: Link: https://lore.kernel.org/all/4262e55407294a5989e766bc4dc48293@huawei.com/ I could of course do both the extra paragraph -and- the Link:. ;-) Thoughts? Thanx, Paul