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 95978C3DA71 for ; Fri, 16 Dec 2022 16:53:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231346AbiLPQx0 (ORCPT ); Fri, 16 Dec 2022 11:53:26 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51440 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230429AbiLPQxY (ORCPT ); Fri, 16 Dec 2022 11:53:24 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6987B22B; Fri, 16 Dec 2022 08:53:21 -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 A394FB81D39; Fri, 16 Dec 2022 16:53:20 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 30686C433D2; Fri, 16 Dec 2022 16:53:17 +0000 (UTC) Date: Fri, 16 Dec 2022 11:53:14 -0500 From: Steven Rostedt To: David Laight Cc: 'Andreas Schwab' , "'Leizhen (ThunderTown)'" , Geert Uytterhoeven , Josh Poimboeuf , Jiri Kosina , Miroslav Benes , Petr Mladek , Joe Lawrence , "live-patching@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "Masahiro Yamada" , Alexei Starovoitov , Jiri Olsa , Kees Cook , Andrew Morton , Luis Chamberlain , "linux-modules@vger.kernel.org" , Ingo Molnar , linux-m68k , "Jason A. Donenfeld" Subject: Re: [PATCH v9] kallsyms: Add self-test facility Message-ID: <20221216115314.6120beb7@gandalf.local.home> In-Reply-To: <819801284eb745d9a4189759bad297f5@AcuMS.aculab.com> References: <20221115083349.1662-1-thunder.leizhen@huawei.com> <49070ac3-02bb-a3b3-b929-ede07e3b2c95@huawei.com> <4aaede14-8bd3-6071-f17b-7efcb5f0de42@huawei.com> <66ec4021-b633-09ba-73ee-b24cdb3fa25a@huawei.com> <06345dca-0afb-00a5-c9e9-5ba830d8ad05@huawei.com> <52450ec1da164d6d87587063c3b3d3d2@AcuMS.aculab.com> <592dce7a0de24c62bd31c29f86ce6c1b@AcuMS.aculab.com> <87pmcjidfe.fsf@igel.home> <1ba1fadb39994a4d91edabdfd9d69fa6@AcuMS.aculab.com> <87len7ibtt.fsf@igel.home> <87fsdfib07.fsf@igel.home> <819801284eb745d9a4189759bad297f5@AcuMS.aculab.com> X-Mailer: Claws Mail 3.17.8 (GTK+ 2.24.33; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: On Fri, 16 Dec 2022 16:32:08 +0000 David Laight wrote: > From: Andreas Schwab > > Sent: 16 December 2022 16:12 > > On Dez 16 2022, David Laight wrote: > > > > > The other issue is a missing "memory" clobber. > > > > strcmp is a pure read-only operation. > > Still needs the memory clobber. What memory is being modified? I don't know m68k assembly, but I'm guessing the (%O)+ and the (%1)+ only modifies the register being used, and no memory is being touched. -- Steve