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=-2.2 required=3.0 tests=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 650C8C43331 for ; Fri, 27 Mar 2020 18:45:58 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (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 230B5206F2 for ; Fri, 27 Mar 2020 18:45:58 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 230B5206F2 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=kernel.crashing.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 48prQq6Zg3zDrP1 for ; Sat, 28 Mar 2020 05:45:55 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; spf=permerror (SPF Permanent Error: Unknown mechanism found: ip:192.40.192.88/32) smtp.mailfrom=kernel.crashing.org (client-ip=63.228.1.57; helo=gate.crashing.org; envelope-from=segher@kernel.crashing.org; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=kernel.crashing.org Received: from gate.crashing.org (gate.crashing.org [63.228.1.57]) by lists.ozlabs.org (Postfix) with ESMTP id 48pr2F2rlwzDrJf for ; Sat, 28 Mar 2020 05:28:05 +1100 (AEDT) Received: from gate.crashing.org (localhost.localdomain [127.0.0.1]) by gate.crashing.org (8.14.1/8.14.1) with ESMTP id 02RIRuXZ023594; Fri, 27 Mar 2020 13:27:57 -0500 Received: (from segher@localhost) by gate.crashing.org (8.14.1/8.14.1/Submit) id 02RIRt0v023593; Fri, 27 Mar 2020 13:27:55 -0500 X-Authentication-Warning: gate.crashing.org: segher set sender to segher@kernel.crashing.org using -f Date: Fri, 27 Mar 2020 13:27:55 -0500 From: Segher Boessenkool To: Fangrui Song Subject: Re: [PATCH v2] powerpc/boot: Delete unneeded .globl _zimage_start Message-ID: <20200327182755.GL22482@gate.crashing.org> References: <20200325164257.170229-1-maskray@google.com> <20200326221625.GA22482@gate.crashing.org> <20200326222612.zbbiyi75emq6npzn@google.com> <20200327152428.GF22482@gate.crashing.org> <20200327165054.67pzzjwtg3dc7hx2@google.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200327165054.67pzzjwtg3dc7hx2@google.com> User-Agent: Mutt/1.4.2.3i X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Alan Modra , Nick Desaulniers , clang-built-linux@googlegroups.com, Joel Stanley , linuxppc-dev@lists.ozlabs.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On Fri, Mar 27, 2020 at 09:50:54AM -0700, Fangrui Song wrote: > We aim for compatibility with GNU in many aspects to make it easier for > people to switch over. However, just because there is a subtle behavior > in GNU toolchain does not mean we need to emulate that behavior. It isn't subtle. It is the explicit documented behaviour. > With > all due respect, there are a large quantity of legacy behaviors we don't > want to support. And it isn't legacy at all. It is simply the defined semantics. It is semantics that real code relies on (and has for ages) as well. Segher