From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751633AbeCTSos (ORCPT ); Tue, 20 Mar 2018 14:44:48 -0400 Received: from ms.lwn.net ([45.79.88.28]:44916 "EHLO ms.lwn.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751269AbeCTSor (ORCPT ); Tue, 20 Mar 2018 14:44:47 -0400 Date: Tue, 20 Mar 2018 12:44:45 -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: <20180320124445.3bb1da1c@lwn.net> In-Reply-To: <20180320155036.GU4043@hirez.programming.kicks-ass.net> References: <20180319154124.337947038@infradead.org> <20180319154717.652679334@infradead.org> <20180320094554.2bc49dea@lwn.net> <20180320155036.GU4043@hirez.programming.kicks-ass.net> 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 List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 20 Mar 2018 16:50:36 +0100 Peter Zijlstra wrote: > > 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 :) > > > That thing says: > > GCC > --- > > The gcc version requirements may vary depending on the type of CPU in your > computer. jon > > Which is still entirely accurate. And afaik the 3.2 minimum listed there > still works for !x86. Well, other recent discussions established that nothing earlier than 4.1 has been observed to work anywhere for some time. I guess what we really need is a little table of architecture-specific minimum GCC versions so that our users actually know what's required. I'll see if I can find a moment to pull that together at some point. jon