From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 99CAAC433F5 for ; Fri, 15 Apr 2022 14:21:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344431AbiDOOXc (ORCPT ); Fri, 15 Apr 2022 10:23:32 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50496 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1354406AbiDOOXb (ORCPT ); Fri, 15 Apr 2022 10:23:31 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 069D29BBBE; Fri, 15 Apr 2022 07:21:00 -0700 (PDT) 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 dfw.source.kernel.org (Postfix) with ESMTPS id 2549662021; Fri, 15 Apr 2022 14:21:00 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7D91CC385A7; Fri, 15 Apr 2022 14:20:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1650032459; bh=5dZZoj3pOKho1MGAkY4/NjwfVebCG/c1u6DOO+KCsXk=; h=Date:From:To:Cc:Subject:Reply-To:References:In-Reply-To:From; b=aoy5PBKEaK6SDewNMRsObqZAfJKPFcfrASqHE2kpJMp7JREmx1sEiZ4X+FB75LVS6 PhZNiB2msnvrXDu06lGbVejgoyTw34WBIzwIvaKTWwY4HPA+fp3EBEIb0X4lZ4el5d L0ICSgERZD32oH6M+8F0b9q76UbbkifG13Z/mGWiuW4eZLJ8IPEw2V1oCuU6VRejlS EBmS/bsRUh4LkfZn1q+VFrJyEmTd1ohjexn56o/7PXGKbEtsXw63qB5Dfa9TBInoBF hs8AFmTSgP4xtVDtqHkGjgWB1DckUd+HnoWgoUbeQAGcGGXZCrfotNztQO6jVGAeam kD8x4B7hPihgg== Received: by paulmck-ThinkPad-P17-Gen-1.home (Postfix, from userid 1000) id 1EA355C034B; Fri, 15 Apr 2022 07:20:59 -0700 (PDT) Date: Fri, 15 Apr 2022 07:20:59 -0700 From: "Paul E. McKenney" To: Nick Desaulniers Cc: Paul =?iso-8859-1?Q?Heidekr=FCger?= , Alan Stern , Andrea Parri , Will Deacon , Peter Zijlstra , Boqun Feng , Nicholas Piggin , David Howells , Jade Alglave , Luc Maranget , Akira Yokosawa , Daniel Lustig , Joel Fernandes , linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, llvm@lists.linux.dev, Marco Elver , Charalampos Mainas , Pramod Bhatotia , "Jose E. Marchesi" Subject: Re: Dangerous addr to ctrl dependency transformation in fs/nfs/delegation.c::nfs_server_return_marked_delegations()? Message-ID: <20220415142059.GI4285@paulmck-ThinkPad-P17-Gen-1> Reply-To: paulmck@kernel.org References: MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-arch@vger.kernel.org On Thu, Apr 14, 2022 at 02:21:25PM -0700, Nick Desaulniers wrote: > On Thu, Apr 7, 2022 at 8:22 AM Paul Heidekrüger > wrote: > > > > Hi all, > > > > work on my dependency checker tool is progressing nicely, and it is > > flagging, what I believe is, a harmful addr to ctrl dependency > > transformation. For context, see [1] and [2]. I'm using the Clang > > compiler. > > [1]: https://linuxplumbersconf.org/event/7/contributions/821/attachments/598/1075/LPC_2020_--_Dependency_ordering.pdf > > [2]: https://lore.kernel.org/llvm/YXknxGFjvaB46d%2Fp@Pauls-MacBook-Pro/T/#u > > Hi Paul, > Thanks for the report and your (and your team's) work on this tool. > Orthogonal to your report, Jose (cc'ed) and I are currently in the > planning process to put together a Kernel+Toolchain microconference > track at Linux Plumbers Conference [0] this year (Sept 12-14) in > Dublin, Ireland. Would you or someone from your group be able and > interested in presenting more information about your work to an > audience of kernel and toolchain developers at such an event? +1 on presenting at Plumbers! Thanx, Paul > Would others be interested in such a topic? (What do they say in > Starship Troopers...?...Would you like to know more?) > > [0] https://lpc.events/event/16/ > -- > Thanks, > ~Nick Desaulniers