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=-8.6 required=3.0 tests=DKIMWL_WL_MED,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_PASS,USER_IN_DEF_DKIM_WL 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 1B20DC43381 for ; Fri, 8 Mar 2019 00:22:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DBCD620652 for ; Fri, 8 Mar 2019 00:22:37 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="N8sEa3rr" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726294AbfCHAWg (ORCPT ); Thu, 7 Mar 2019 19:22:36 -0500 Received: from mail-pg1-f194.google.com ([209.85.215.194]:43515 "EHLO mail-pg1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726237AbfCHAWg (ORCPT ); Thu, 7 Mar 2019 19:22:36 -0500 Received: by mail-pg1-f194.google.com with SMTP id l11so12600288pgq.10 for ; Thu, 07 Mar 2019 16:22:35 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=KQvHXXNU8qWgcIvXd371KSdjFHWj9gbG8PA/hc6EM/Q=; b=N8sEa3rrySl5VZfvQ7lqou2c9QqsgOZLU9hBMWrH8R3mkV6S135FiJ87wgYi5r98IR QEaFAi8GFW5d0eeAGsqkM/vFtQ1zA5iQyoFqzAMPANXLdjLWv3uphX+l3FxEBt3kcl0H ysGLm4Lsy9usl8B3Cw8KYZel5JJeMni8z+amN6eaiXQj7q5aSlXmvI51tZ1cCgmVIFq1 51aqiPXg01eLidDlZdC/Y4CY+BVQ6z0hKxZTjuy2zTrP3++JDhIouJ83xMpdwp9l2G2J v6jE8H8TbBuKDW53v2KxhG1fgdr1o8/l7L7LhxnrtN78RR0LLgbbkZKn9Y2mfEVFJKbE EqSg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=KQvHXXNU8qWgcIvXd371KSdjFHWj9gbG8PA/hc6EM/Q=; b=dlx07yCKDIT3/yV477oTtsTV0ftmWLZJwWPal6MrzinamcsMkD6xTVtwXtSGhsBkUM AAJJSANBY53+a4sybQUklq8oCOObcdD+e1iShzMLM8zEaGmBJUyAM+eYUJad6m3cBDJk sZu6Eu7SnxVfpvw0HKjg7mxjiqd7UEmTKhyWEXEJ5ywr0gqXii5ZSgzHq9M2c+tlbGCJ MvBCJCkQ+tw+Wt29RpOMwQfaHRpZPqIUm+Re47Yf9+lEnd/xK9hezHxC/pwPDVrMtWou 7b8lmRFXYrut/nvi9dAlKMWeCDPnhXKTujfqhfead4YBu7kr8vhhzBDQDv+Q0oV5r8yI kJCA== X-Gm-Message-State: APjAAAX1SbB98kdpVTDwfrGOOdwPV6RLHCBgtxdxrw7/Bdde84HhRb6g 1slPPlPtTEXAW2qQBSxfWU1C8xC7uL0a4jDDI4UtRQ== X-Google-Smtp-Source: APXvYqyWQeKiS7a3Zl1nsO4xiN/9LN1oVsXUoC5MfR7WpVDJYS9jjrFV5O5aXqmSPonCCJ8+S+/bBYesbhDUcKeCwQQ= X-Received: by 2002:a62:398d:: with SMTP id u13mr15471582pfj.32.1552004555214; Thu, 07 Mar 2019 16:22:35 -0800 (PST) MIME-Version: 1.0 References: <20190307091218.2343836-1-arnd@arndb.de> <20190307152805.GA25101@redhat.com> <20190307164647.GC25101@redhat.com> In-Reply-To: From: Nick Desaulniers Date: Thu, 7 Mar 2019 16:22:24 -0800 Message-ID: Subject: Re: [PATCH] signal: fix building with clang To: Arnd Bergmann Cc: Oleg Nesterov , Linux Kernel Mailing List , "Eric W . Biederman" , Alexander Viro , linux-arch , Ralf Baechle , Paul Burton , James Hogan , Andrew Morton , Deepa Dinamani , Christian Brauner , "Gustavo A. R. Silva" , linux-mips@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Mar 7, 2019 at 1:45 PM Arnd Bergmann wrote: > I'd have to try, but I think you are right. It was probably an > overoptimization back in 1997 when the code got added to > linux-2.1.68pre1, and compilers have become smarter in the > meantime ;-) How do you track history pre-git (2.6.XX)? -- Thanks, ~Nick Desaulniers