Received: by 2002:ad5:474a:0:0:0:0:0 with SMTP id i10csp2473234imu; Thu, 29 Nov 2018 05:40:54 -0800 (PST) X-Google-Smtp-Source: AFSGD/UfNUdQpOSy4pZfxPkpDT5XegJkMar0L8RwE3MywK/NAnsFktqMt6ZYJHaPVRBw7mMX3dfy X-Received: by 2002:a17:902:e290:: with SMTP id cf16mr1552022plb.81.1543498853991; Thu, 29 Nov 2018 05:40:53 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1543498853; cv=none; d=google.com; s=arc-20160816; b=qyepQVuuj8cI1s60X+cHRAeUs2zukel+E7Qr9DiHIrL3d30cHcTRzTFx9SiwvNNTnr 3i9T/uSXaTxoNAwgiksJAmeRAKABMiecRja4U68vcTbBiasjryjTSEv68qdCPR2whX2o KFpOMeU0YUobkJtEE/BPemrV7bx2r7/ZqemlX7b0TKnaVvnYmtqetx9uqVA1p6GpLQjE 4vfD/ajIKk3buxM1cSiqA9l52culQAFX2CvytQ12ZQPbJvbplN8ApcvnygHk5z2BzlEe wvMlTTBmRi3+sgAU6yWy2tZPKlU2HnNNY7CmUjef8mWsYH+/eDw0Aceg04LXWTbfH01w bWVg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:mime-version:user-agent:references :message-id:in-reply-to:subject:cc:to:from:date; bh=4pNynDwCS8gEstWNoqkyV6R8X+BSPETSyPpmeyNsLqY=; b=ugInwdnozmccK06iEGTcTIIfOeHL9o2mUOXIx5C/yEnppud7jEgOV/yo+mvuIOsI6N cdrgiycF1lUGotNUnirqkI86kdjBZFDmCftZDahOd8/JgMdp2cPVDxg45uq84XzMtS+F XCqIKl0jbW6aOa0g6hyy7271MgMSwQyvBWJvqVBvvuCdHpLImW6UEo3CzCg6HkvV23+Q B/a0M0mHA27NgbBKEkiTJhYxKgAETjillzRlyENZwxNDP6tvTE2+Su7pXzNdX9J6WZ3k nlfTdPNRCq/yekaUkqfN/vyGXIYWtlg+eummafo49KwCh6fJaHkkVZO1OAZz4sfXZgyp 7qkA== 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 i6-v6si2169169plt.328.2018.11.29.05.40.38; Thu, 29 Nov 2018 05:40:53 -0800 (PST) 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 S1728362AbeK3AOr (ORCPT + 99 others); Thu, 29 Nov 2018 19:14:47 -0500 Received: from mx2.suse.de ([195.135.220.15]:56810 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1728243AbeK3AOr (ORCPT ); Thu, 29 Nov 2018 19:14:47 -0500 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 4268FAC17; Thu, 29 Nov 2018 13:09:26 +0000 (UTC) Date: Thu, 29 Nov 2018 14:09:25 +0100 (CET) From: Richard Biener To: Borislav Petkov cc: Masahiro Yamada , Segher Boessenkool , Nadav Amit , Ingo Molnar , "H. Peter Anvin" , 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 In-Reply-To: <20181129130718.GA3070@nazgul.tnic> Message-ID: 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> <20181129130718.GA3070@nazgul.tnic> User-Agent: Alpine 2.20 (LSU 67 2015-01-07) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 29 Nov 2018, Borislav Petkov wrote: > On Thu, Nov 29, 2018 at 08:46:34PM +0900, Masahiro Yamada wrote: > > But, I'd like to ask if x86 people want to keep this macros.s approach. > > Revert 77b0bf55bc675 right now > > assuming the compiler will eventually solve the issue? > > Yap, considering how elegant the compiler solution is and how much > problems this macros-in-asm thing causes, I think we should patch > out the latter and wait for gcc9. I mean, the savings are not so > mind-blowing to have to deal with the fallout. > > But this is just my opinion. I'd be not opposed to backporting the asm inline support. Of course we still have to be happy with it and install the patch ;) Are you (kernel folks) happy with asm inline ()? Richard. > Thx. > > -- Richard Biener SUSE LINUX GmbH, GF: Felix Imendoerffer, Jane Smithard, Graham Norton, HRB 21284 (AG Nuernberg)