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=-7.3 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=ham 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 E7D4CC432C2 for ; Wed, 25 Sep 2019 16:40:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BAF6921D7A for ; Wed, 25 Sep 2019 16:40:52 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="rhDLdfx2" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390406AbfIYQkw (ORCPT ); Wed, 25 Sep 2019 12:40:52 -0400 Received: from mail-wm1-f65.google.com ([209.85.128.65]:50650 "EHLO mail-wm1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728465AbfIYQkw (ORCPT ); Wed, 25 Sep 2019 12:40:52 -0400 Received: by mail-wm1-f65.google.com with SMTP id 5so6527356wmg.0; Wed, 25 Sep 2019 09:40:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:mime-version:content-disposition :user-agent; bh=ewxpB7bKwZOLfzm0lqLxAsWHdJjqZ2WWi1tIbZVyLyE=; b=rhDLdfx2ReErh/vru6Be0Tp3aiY8888Wm6I+gHYFdcfJHiAABt6YtR0LPcc71XIjHi hUsI4IY3shGzQxRD8IaUYeNuazsi0p9UqF6rD1IdrRxSB9vZUwDN1BOzIo+oTcovnYIh P1WCacPd+CMbkrtwh1H1gQZ2evYz7xc3kr3STWipmYEhlP3efTl7d8GSd81TOZ1g9YOo NsQTtwmFwCOjIDIK3s5oQHwKFVoXXK7T34Ft0xBwZ4M5Y2PlCw80zzlfMclUYX2pylkj en5JJZ7PAackdB3SErCh3YyWCJMydkPJmLkaRIy8F9yyfpDo0gLnbE4Ww8MdVzlmVG8n CFEA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:mime-version :content-disposition:user-agent; bh=ewxpB7bKwZOLfzm0lqLxAsWHdJjqZ2WWi1tIbZVyLyE=; b=DZb54V4CqEpML01dXX89HZ+N5z+TT7vJomAaW5N/la/ykD9M1iG3JTcHK8xxq0yTZU paonGFpKhgHYH10PhpL1x8XInf/fepbhiCv3+ec+tuI14feCVi5mNcCBEGqkgxg4UNrB AyekH1br00Ku2xnJzPOXHI86MifOno/j67IrgY0WLMqI78rTj6NdHoJOK/KgwTV/Kg35 4daPwHhQRt9V0pqx6fBVNb6xGZ/+3GLO2/dEWcPmrvpjpOa1TDny6l8O99LnlYK3AlTO fyL3478O+nmkTp1HHB255pHEMbPPEqZTEc4wtjBDLvV3vK9gi+iByKeCjFwGKFQxzVe/ MsHA== X-Gm-Message-State: APjAAAUovUHOlq6mS4tZcG5wuE1qOcQCWCZt8WpJ+5C+PQWhV0X6ujYX vW+gqWVVoshNyPd5yqi7Xm0= X-Google-Smtp-Source: APXvYqyub3xdz+LV0bD39VXYCI+UEOrOOEm+scHVRtUmuiIhvhQB0zrjTeJjrBdw0seYYPAUM7cGAA== X-Received: by 2002:a05:600c:215:: with SMTP id 21mr8857879wmi.170.1569429649685; Wed, 25 Sep 2019 09:40:49 -0700 (PDT) Received: from archlinux-threadripper ([2a01:4f8:222:2f1b::2]) by smtp.gmail.com with ESMTPSA id b144sm6128053wmb.3.2019.09.25.09.40.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 25 Sep 2019 09:40:49 -0700 (PDT) Date: Wed, 25 Sep 2019 09:40:47 -0700 From: Nathan Chancellor To: Greg Kroah-Hartman , Sasha Levin , Josh Poimboeuf , Peter Zijlstra Cc: stable@vger.kernel.org, linux-kernel@vger.kernel.org, clang-built-linux@googlegroups.com Subject: Request for inclusion of f73b3cc39c84 ("objtool: Clobber user CFLAGS variable") in -stable Message-ID: <20190925164047.GA471117@archlinux-threadripper> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.12.1 (2019-06-15) Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org Hi Greg and Sasha, We received a report of an objtool build failure with clang related to -Wunused-parameter [1], which turned out to be related to the distro's CFLAGS. Josh patched this up in commit f73b3cc39c84 ("objtool: Clobber user CFLAGS variable"), could it be added to -stable whenever applicable? Looks like it will pick cleanly to 4.19 but it can be applied to 4.14 with context differences. Josh and Peter, would you be interested in patches that fix and then enable -Wunused-parameter? There are only a couple of warnings. Let me know, I can send my patches along. [1]: https://github.com/ClangBuiltLinux/linux/issues/676 Cheers, Nathan