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=-2.5 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,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 D3B9DC2D0F7 for ; Tue, 12 May 2020 17:04:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A52D120720 for ; Tue, 12 May 2020 17:04:43 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="Wwy7sKY2" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728850AbgELREm (ORCPT ); Tue, 12 May 2020 13:04:42 -0400 Received: from us-smtp-delivery-1.mimecast.com ([205.139.110.120]:27567 "EHLO us-smtp-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1725904AbgELREm (ORCPT ); Tue, 12 May 2020 13:04:42 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1589303080; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=2FfH4r0y3JqkUn17wrFKeY534DtufylV4MIjoIKqTfI=; b=Wwy7sKY2gTkOvba88mwl1ew+1mxCpCXIfKVICCRn0qWHAC87wunTvXzTIu0VXRI+uh0mvr mLWzeklZ9akZVqiEySDxurmJ19/zg5fnbeFFpxiUiznNshcGDC10ghtGFgGclznf2TmQ3h I9bNV3Mk07MxkjA2BU3OwnT1RNJpZhg= Received: from mail-wr1-f70.google.com (mail-wr1-f70.google.com [209.85.221.70]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-378-o96OxpI-OqauR9VPhBw_MA-1; Tue, 12 May 2020 13:04:39 -0400 X-MC-Unique: o96OxpI-OqauR9VPhBw_MA-1 Received: by mail-wr1-f70.google.com with SMTP id 90so7150742wrg.23 for ; Tue, 12 May 2020 10:04:39 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=2FfH4r0y3JqkUn17wrFKeY534DtufylV4MIjoIKqTfI=; b=M4LyiO5Yxr9mkVoJmb/4qX0kWm8X0zyithPgPs7ZNjQ1K5tvXM+D5ktq/50P3UF0gq 1xjlZaXfGpWCsRyKN4ByJEOjo13GXih7vU8/8CsRmz8kodHBB2zhYGNj/SiWsG/xIOhg Mx0764/Zu6FMgLb7ATg2LiaoN2sVfzbMCK8aARurVJE8/xfqqAa3Fz90k0fSPht1VNWM 2mdrLp0YXi4LN8QNqFQP9f8/2MpVOo5E0IlJD1vCJ8bZ25XepDxOlkjahMhRJzwSRVJV SUTwfxgkd4MybkgYTSpFuNnlZ0TJBCp5qJYKs8N4sSOxdOsFMcieVADWJfKR14DBmCp6 IXyw== X-Gm-Message-State: AGi0PuYN+hD8ycmGMJo4I1LvZMkzqz/NTlCFsaEAjdR+9VYSv+KYY+mM ED6CINLoFSgG447RgODp/r5wiHtVK4SigXkUIF0B/aj/BiyGH+XzBJAB297u6AzrxJW7oCNogO5 rVFIn08L40hs1BnAU5joNA3+P X-Received: by 2002:adf:e489:: with SMTP id i9mr17967364wrm.373.1589303073763; Tue, 12 May 2020 10:04:33 -0700 (PDT) X-Google-Smtp-Source: APiQypKVLrB308VRcO6bj0ZQfxpY4cUD0463YSCv6Yceb9YcXZ4+uoJR7jS7j4Up4h8iAMvGiVZL0Q== X-Received: by 2002:adf:e489:: with SMTP id i9mr17967350wrm.373.1589303073590; Tue, 12 May 2020 10:04:33 -0700 (PDT) Received: from ?IPv6:2a01:cb14:58d:8400:ecf6:58e2:9c06:a308? ([2a01:cb14:58d:8400:ecf6:58e2:9c06:a308]) by smtp.gmail.com with ESMTPSA id j1sm12059386wrm.40.2020.05.12.10.04.32 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 12 May 2020 10:04:32 -0700 (PDT) Subject: Re: [RFC][PATCH 0/5] Enable objtool multiarch build To: Matt Helsley , linux-kernel@vger.kernel.org Cc: Josh Poimboeuf , Peter Zijlstra , Miroslav Benes , Steven Rostedt References: From: Julien Thierry Message-ID: Date: Tue, 12 May 2020 18:04:31 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.5.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Matt, On 5/11/20 6:35 PM, Matt Helsley wrote: > My previous RFC[1] tried to add recordmcount as the mcount subcommand > of objtool. As a necessary first step that required enabling building > of objtool for more than the x86 architecture. > > Some folks have been working on enabling objtool checking functionality > for arm64. Rather than repeat that work here I aim to show a minimal > set which ensures that objtool builds for any architecture. This > will allow for not only building the check and ORC subcommands > but also incorporating more subcommands -- such as recordmcount. > Thanks for putting the effort to simplify adding support of the different command for new architectures. I have a few some comments on some commits. Cheers, -- Julien Thierry