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=-2.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_MUTT 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 28111C04EB8 for ; Sun, 2 Dec 2018 06:47:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DAF1E2080A for ; Sun, 2 Dec 2018 06:47:11 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org DAF1E2080A Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=kernel.crashing.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725770AbeLBGrN (ORCPT ); Sun, 2 Dec 2018 01:47:13 -0500 Received: from gate.crashing.org ([63.228.1.57]:55650 "EHLO gate.crashing.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725379AbeLBGrN (ORCPT ); Sun, 2 Dec 2018 01:47:13 -0500 Received: from gate.crashing.org (localhost.localdomain [127.0.0.1]) by gate.crashing.org (8.14.1/8.14.1) with ESMTP id wB2638ip011761; Sun, 2 Dec 2018 00:03:24 -0600 Received: (from segher@localhost) by gate.crashing.org (8.14.1/8.14.1/Submit) id wAUDGedd022451; Fri, 30 Nov 2018 07:16:40 -0600 X-Authentication-Warning: gate.crashing.org: segher set sender to segher@kernel.crashing.org using -f Date: Fri, 30 Nov 2018 07:16:34 -0600 From: Segher Boessenkool To: Boris Petkov Cc: Masahiro Yamada , Nadav Amit , Ingo Molnar , "H. Peter Anvin" , rguenther@suse.de, matz@suse.de, gcc@gcc.gnu.org, Linux Kernel Mailing List , X86 ML , Sam Ravnborg , Alok Kataria , Christopher Li , Greg Kroah-Hartman , Jan Beulich , Josh Poimboeuf , Juergen Gross , Kate Stewart , Kees Cook , linux-sparse@vger.kernel.org, "Peter Zijlstra (Intel)" , Philippe Ombredanne , Thomas Gleixner , virtualization@lists.linux-foundation.org, Linus Torvalds , Chris Zankel , Max Filippov , linux-xtensa@linux-xtensa.org Subject: Re: PROPOSAL: Extend inline asm syntax with size spec Message-ID: <20181130131633.GU23873@gate.crashing.org> References: <20181003213100.189959-1-namit@vmware.com> <20181007091805.GA30687@zn.tnic> <20181007132228.GJ29268@gate.crashing.org> <20181008073128.GL29268@gate.crashing.org> <20181009145330.GT29268@gate.crashing.org> <20181129122500.GX23873@gate.crashing.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.4.2.3i Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Nov 30, 2018 at 10:06:02AM +0100, Boris Petkov wrote: > On November 29, 2018 1:25:02 PM GMT+01:00, Segher Boessenkool wrote: > >This will only be fixed from GCC 9 on, if the compiler adopts it. The > >kernel wants to support ancient GCC, so it will need to have a > >workaround > >for older GCC versions anyway. > > What about backporting it, like Richard says? Let me first get it into GCC trunk :-) It should backport fine, sure; and I'll work on that. Segher