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 X-Spam-Level: X-Spam-Status: No, score=-2.3 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 10214C3A5A2 for ; Fri, 23 Aug 2019 12:01:36 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id D42B922CE3 for ; Fri, 23 Aug 2019 12:01:35 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="Zi13cfnm" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D42B922CE3 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender:Content-Type: Content-Transfer-Encoding:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:Date:Message-ID:From: References:To:Subject:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=3Cxs+oX4WtD+Gnr6oTHp7jaiDLKb4qHXVs0Y5Y0IYRA=; b=Zi13cfnm5cBJm8+2qOrjeu5TZ Ubr1K+d25Tu7bDlJlz1dVtEDy83AzHPs66yP11uHm76wqHEAJX3wq9zV5xaGlVljQ7Y+91uLN4UbU PV3BZ1hnLn8/3aWZEymvBx8i3oFufVpiybDMo3jeXSlu1j4QiYXnyxZlikgQEtFVos/TQXRmk5JlG DkujHvEzab5gsQHTWAD0ocl7sR1np8LNbhmnP/Uvy79nH4W7T1GmIY6VCWG3/t1h7qGucmqVIXgpe wMqaFoggaZYnZwceqj67X9FWGrAb12On0IAwL26HN8dyocTx7lrNO9sQY2d/y9iyv3boLFtFzuMRJ m21L7PItg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1i18FM-0005cp-RA; Fri, 23 Aug 2019 12:00:48 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1i18FK-0005cN-AL for linux-arm-kernel@lists.infradead.org; Fri, 23 Aug 2019 12:00:47 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id B9DB6337; Fri, 23 Aug 2019 05:00:45 -0700 (PDT) Received: from [10.1.196.120] (e121650-lin.cambridge.arm.com [10.1.196.120]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id B17E73F246; Fri, 23 Aug 2019 05:00:44 -0700 (PDT) Subject: Re: [RFC v4 00/18] objtool: Add support for arm64 To: Josh Poimboeuf References: <20190816122403.14994-1-raphael.gault@arm.com> <20190822195627.mzi3c4sjqnvnzaho@treble> From: Raphael Gault Message-ID: <0493722d-2c6e-c91e-1f8e-7c6674b299c7@arm.com> Date: Fri, 23 Aug 2019 13:00:43 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: <20190822195627.mzi3c4sjqnvnzaho@treble> Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190823_050046_404785_0B76C363 X-CRM114-Status: GOOD ( 18.20 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: raph.gault+kdev@gmail.com, peterz@infradead.org, catalin.marinas@arm.com, will.deacon@arm.com, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, julien.thierry.kdev@gmail.com Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Josh, On 8/22/19 8:56 PM, Josh Poimboeuf wrote: > On Fri, Aug 16, 2019 at 01:23:45PM +0100, Raphael Gault wrote: >> Hi, >> >> Changes since RFC V3: >> * Rebased on tip/master: Switch/jump table had been refactored >> * Take Catalin Marinas comments into account regarding the asm macro for >> marking exceptions. >> >> As of now, objtool only supports the x86_64 architecture but the >> groundwork has already been done in order to add support for other >> architectures without too much effort. >> >> This series of patches adds support for the arm64 architecture >> based on the Armv8.5 Architecture Reference Manual. >> >> Objtool will be a valuable tool to progress and provide more guarentees >> on live patching which is a work in progress for arm64. >> >> Once we have the base of objtool working the next steps will be to >> port Peter Z's uaccess validation for arm64. > > Hi Raphael, > > Sorry about the long delay. I have some comments coming shortly. > > One general comment: I noticed that several of the (mostly minor) > suggested changes I made for v1 haven't been fixed. > > I'll try to suggest them again here for v4, so you don't need to go back > and find them. But in the future please try to incorporate all the > comments from previous patch sets before posting new versions. I'm sure > it wasn't intentional, as you did acknowledge and agree to most of the > changes. But it does waste people's time and goodwill if you neglect to > incorporate their suggestions. Thanks. > Indeed, sorry about that. Thanks for you comments, I will do my best to address them shortly. However, I won't have access to my professional emails for a little while and probably won't be able to work on this before at least a week. I'll try to have a new soon though and use my personal email. Thanks, -- Raphael Gault _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel