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=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, 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 9C06DC3A5A2 for ; Wed, 4 Sep 2019 03:08:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 69CF722CEA for ; Wed, 4 Sep 2019 03:08:43 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="W9whrDCQ" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727994AbfIDDIm (ORCPT ); Tue, 3 Sep 2019 23:08:42 -0400 Received: from mail-pg1-f193.google.com ([209.85.215.193]:34110 "EHLO mail-pg1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727065AbfIDDIl (ORCPT ); Tue, 3 Sep 2019 23:08:41 -0400 Received: by mail-pg1-f193.google.com with SMTP id n9so10394692pgc.1; Tue, 03 Sep 2019 20:08:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-transfer-encoding:content-language; bh=dfA6U+IJyyy9kC1t5JV8/mlZA71sQY4hs9JHXN0VII8=; b=W9whrDCQTi29K2svnEOO7Jm/Lv0CwQfhVCFntQRReI554NV2ECeg9cqzqpzL9/Nhbi Iv0RcqfQ2lWyHzLQ1CQULUOMva0gc2k7G3Ur52T0WVNSBRjlQqaMvnUWi3APN3y1TqvB uWRQEIBdDTX7NZBOHQXu5IKlsbInvKveKB1F20SeGFsxOGslUzaxv1m40RqwBPwz6z77 V7v5fqyWJRiFFnaU1A8EM0KEDI3gqgvzDFGEtcpQZi0BR4agMSz/tF7f3HkUg9hu1LFS eojHLfH8lzmIm8gj9YNoP8x4tRrgZ8z6zSZPFGRLJu9QlEhBcrld4eUxvQtnMz3HWTS9 Z63Q== 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-transfer-encoding :content-language; bh=dfA6U+IJyyy9kC1t5JV8/mlZA71sQY4hs9JHXN0VII8=; b=chrpaCnH/ewt8Pq/CK5pC7dnCFNp2NdmIjzqOd1eBqzBW8q7VCOx99errxQDuY5C6Z AjuogZmTsb+of3++CCc6+CDZtLNyprT4t/7gLbqUde89IySM7az5TBFqTFl+H0YzLwX5 2bE3N7kjuvHDkl9JME4HA6dBkYT0Prm+ZhE6PClUosD0tspn9CoA9RG7AkXJRAgP4lS7 F3nWCBg+iNgAMrcQfXgxcpgJjDpqfraPdDBU4cu4eyTiTe1g2D9hXLqmSxsQm17vC9Po 3NH7NdlNfl2DsvuO9IdxzOwKsIoXKjgE017GC1DwBFJs/mec7p8VrgTXzQ7dOoXe8Hrk Fm+Q== X-Gm-Message-State: APjAAAUEM8RVsDhJarEBjurJvg0pIE3oAt2r+cKZ5SzeaOyoaKjXYvyt 2mBjUsjNJbJ7g3eXoQFrh02j/fEsreZXkQ== X-Google-Smtp-Source: APXvYqyN3ZttcnW79XW08fIqU8Zbo+MeMpKouUCVa9iane7nR/SvDbr7IE7cE9B+HX3JNUfNaq/O6g== X-Received: by 2002:a17:90a:650c:: with SMTP id i12mr2673118pjj.11.1567566520959; Tue, 03 Sep 2019 20:08:40 -0700 (PDT) Received: from ?IPv6:2601:641:c100:83a0:559:28ce:4564:4221? ([2601:641:c100:83a0:559:28ce:4564:4221]) by smtp.gmail.com with ESMTPSA id g20sm8741631pfh.184.2019.09.03.20.08.38 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 03 Sep 2019 20:08:39 -0700 (PDT) Subject: Re: [PATCH 2/3] kbuild, arc: add CONFIG_CC_OPTIMIZE_FOR_PERFORMANCE_O3 for ARC To: Masahiro Yamada Cc: Linux Kbuild mailing list , Michal Marek , Arnd Bergmann , Linux Kernel Mailing List , arcml References: <20190820170941.26193-1-yamada.masahiro@socionext.com> <20190820170941.26193-2-yamada.masahiro@socionext.com> From: Vineet Gupta Message-ID: Date: Tue, 3 Sep 2019 20:08:45 -0700 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: Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Content-Language: en-US Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 9/3/19 8:08 AM, Masahiro Yamada wrote: >> So if you could please split out the Wmaybe-uninitialized change > I could not understand your request. > > I added 'imply CC_DISABLE_WARN_MAYBE_UNINITIALIZED' > for CONFIG_CC_OPTIMIZE_FOR_PERFORMANCE_O3. > > I cannot split it out. Otherwise, you will see false-positive > maybe-uninitialized warnings. Sorry I must have overlooked this part. So no issues now ! Thx, -Vineet