From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751781AbeCTPuo (ORCPT ); Tue, 20 Mar 2018 11:50:44 -0400 Received: from bombadil.infradead.org ([198.137.202.133]:43076 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751682AbeCTPul (ORCPT ); Tue, 20 Mar 2018 11:50:41 -0400 Date: Tue, 20 Mar 2018 16:50:36 +0100 From: Peter Zijlstra To: Jonathan Corbet 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: <20180320155036.GU4043@hirez.programming.kicks-ass.net> References: <20180319154124.337947038@infradead.org> <20180319154717.652679334@infradead.org> <20180320094554.2bc49dea@lwn.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180320094554.2bc49dea@lwn.net> User-Agent: Mutt/1.9.3 (2018-01-21) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Mar 20, 2018 at 09:45:54AM -0600, Jonathan Corbet wrote: > 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 :) 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.