Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751956AbdGFEMt (ORCPT ); Thu, 6 Jul 2017 00:12:49 -0400 Received: from mail-pf0-f194.google.com ([209.85.192.194]:33241 "EHLO mail-pf0-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750824AbdGFEMr (ORCPT ); Thu, 6 Jul 2017 00:12:47 -0400 Date: Thu, 6 Jul 2017 19:08:33 +0800 From: Boqun Feng To: Peter Zijlstra Cc: Palmer Dabbelt , mingo@redhat.com, mcgrof@kernel.org, viro@zeniv.linux.org.uk, sfr@canb.auug.org.au, nicolas.dichtel@6wind.com, rmk+kernel@armlinux.org.uk, msalter@redhat.com, tklauser@distanz.ch, will.deacon@arm.com, james.hogan@imgtec.com, paul.gortmaker@windriver.com, linux@roeck-us.net, linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, albert@sifive.com, patches@groups.riscv.org Subject: Re: [PATCH 2/9] RISC-V: Atomic and Locking Code Message-ID: <20170706110833.fkq7axoz3tf655lz@tardis> References: <20170704195102.3974-1-palmer@dabbelt.com> <20170704195102.3974-3-palmer@dabbelt.com> <20170705084321.hqy4qsm45mv772k4@hirez.programming.kicks-ass.net> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="q3dwcrjsjsyfsy2u" Content-Disposition: inline In-Reply-To: <20170705084321.hqy4qsm45mv772k4@hirez.programming.kicks-ass.net> User-Agent: NeoMutt/20170609 (1.8.3) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1480 Lines: 48 --q3dwcrjsjsyfsy2u Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Jul 05, 2017 at 10:43:21AM +0200, Peter Zijlstra wrote: > On Tue, Jul 04, 2017 at 12:50:55PM -0700, Palmer Dabbelt wrote: > > +/* > > + * FIXME: I could only find documentation that atomic_{add,sub,inc,dec= } are > > + * barrier-free. I'm assuming that and/or/xor have the same constrain= ts as the > > + * others. > > + */ >=20 > Yes.. we have new documentation in the work to which I would post a link > but for some reason copy/paste stopped working again (Konsole does that > at times and is #$%#$%#4# annoying). >=20 > Ha, found it using google... >=20 > https://marc.info/?l=3Dlinux-kernel&m=3D14972790112580 >=20 The link is broken, you miss a tailing 1 ;-) https://marc.info/?l=3Dlinux-kernel&m=3D149727901125801 Regards, Boqun --q3dwcrjsjsyfsy2u Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCAAdFiEEj5IosQTPz8XU1wRHSXnow7UH+rgFAlleGi0ACgkQSXnow7UH +rhwZAf9H0VrHU8RmJVmTeZHFR/vOJ+bDZgjrIql1e6Czc3BNPsSse7hy+VZ9jBq 8IDtbAiOlkwV4XAaODDoNxORYTrsqDZnWrksQOXhNwyW/2+Lygj2VglLLuyh9pHa tpZY90KzD+gLBa/9loJVGk+EfQicM/k6GyWu11i/V+BvyaKGfeHrJUanl91fdZwZ 9BNvCPB2yTeGcSXkXYXq1mthBlGBaX1ya/qftsYuj1HLK+YjSnXCkj5EvpyTXwZC Zxm+TS7R0rPDut6ReVp22jywVKM3Y9OAvbz+DioS7sVRAhpTJ53Mbbp2gOEEEAa5 iCqVzUi0WS4RUTfDPK57X0VwHyFsUA== =2fhb -----END PGP SIGNATURE----- --q3dwcrjsjsyfsy2u--