Received: by 10.213.65.68 with SMTP id h4csp521568imn; Tue, 20 Mar 2018 08:47:07 -0700 (PDT) X-Google-Smtp-Source: AG47ELu12ikS17BM+puhNPAtdsT6FopjvH7iRhxgbY3xQ3yvEaE6mIutJYHCUeV34NpAesjukFCV X-Received: by 10.101.68.141 with SMTP id l13mr12697235pgq.216.1521560827697; Tue, 20 Mar 2018 08:47:07 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1521560827; cv=none; d=google.com; s=arc-20160816; b=l6nSrLMq+Cv32IIZjMtNoE6kF030k0KY7M0JkFEm6fXSoAubvcYW8/86KKUKIrdKhU wjpecR4lxW3uKqI4LNUYW/ek73B+fH1I2pO7qYH35YSIxvdhpNf7Pzghm4t5ZqRAZkQt OY0m+1VJs8IAqStXmfUhITjqgFfru2RaGZKyXbEd2RCT1RNAdl/gmMn8qRatxGiA+Z3v /wfBO31E8HO93bnpSd3XJEaYK891dIogR4qlGUq4lPU3v1YKtfyJvzE3BM10JOhgA/gR 1Lw9QEJGKuOjDr22+QmD5Z06dTtlpsIpqF5A9mayCDZ5I9R8B1hCj4qiemR8LPDctbJo 1AFQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :organization:references:in-reply-to:message-id:subject:cc:to:from :date:arc-authentication-results; bh=ZiZFzlXmOwSR+uiWeWKcoA+ZHdNg985zpaECA5wh2po=; b=J3PIfxIGDhAx0+6oTyK8C5ZJ3hdbMoil1RyRQc//LeBA+10Hjr7e+uK1Lp5ijNuAAt fKicEbV2q26rfiOD1OABPQ2dkveHX0azt0YJVJ8o1GtgFCeQ/cn6jrN/V71yYN9xmd1b Nd3b2QhfRN0wxqXaYFk8dW/mFNH7YQD3nt2ocIv1CqFCTMEllmEXQbwHV9ahWcjweysR T1O5SypIPXx1H5Gqb6E85wdkSQnHXGYrFtyNkZ9u5kSxBgCcblZXpfqtWvxnqh2jLpdi DRzRpmXVzT6RPHF0Lk+C88IrZBp0sf2G1qMs6esrOO8LfEzsUFjrxpoP3S8MxfHZnqbw /iPw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id y15si1377103pgr.167.2018.03.20.08.46.52; Tue, 20 Mar 2018 08:47:07 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751411AbeCTPp4 (ORCPT + 99 others); Tue, 20 Mar 2018 11:45:56 -0400 Received: from ms.lwn.net ([45.79.88.28]:43952 "EHLO ms.lwn.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751269AbeCTPpz (ORCPT ); Tue, 20 Mar 2018 11:45:55 -0400 Received: from lwn.net (localhost [127.0.0.1]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ms.lwn.net (Postfix) with ESMTPSA id 3CB1EAAB; Tue, 20 Mar 2018 15:45:55 +0000 (UTC) Date: Tue, 20 Mar 2018 09:45:54 -0600 From: Jonathan Corbet To: Peter Zijlstra Cc: mingo@kernel.org, tglx@linutronix.de, linux-kernel@vger.kernel.org, torvalds@linux-foundation.org Subject: Re: [PATCH 1/2] x86: Force asm-goto Message-ID: <20180320094554.2bc49dea@lwn.net> In-Reply-To: <20180319154717.652679334@infradead.org> References: <20180319154124.337947038@infradead.org> <20180319154717.652679334@infradead.org> Organization: LWN.net MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 19 Mar 2018 16:41:25 +0100 Peter Zijlstra wrote: > A primary prerequisite for this is of course that the compiler > supports asm-goto. This effecively lifts the minimum GCC version to > build an x86 kernel to gcc-4.5. Given that, how about a patch to Documentation/Changes to reflect the new reality? It's not in RST yet, so you should be able to go there without ill effect :) Thanks, jon