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=-1.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS 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 08007C169C4 for ; Tue, 29 Jan 2019 18:06:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D743421848 for ; Tue, 29 Jan 2019 18:06:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729216AbfA2SGy (ORCPT ); Tue, 29 Jan 2019 13:06:54 -0500 Received: from shadbolt.e.decadent.org.uk ([88.96.1.126]:46880 "EHLO shadbolt.e.decadent.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727368AbfA2SGy (ORCPT ); Tue, 29 Jan 2019 13:06:54 -0500 Received: from [192.168.4.242] (helo=deadeye) by shadbolt.decadent.org.uk with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1goXmc-0008Tj-BB; Tue, 29 Jan 2019 18:06:50 +0000 Received: from ben by deadeye with local (Exim 4.92-RC4) (envelope-from ) id 1goXmc-0003wT-6b; Tue, 29 Jan 2019 18:06:50 +0000 Message-ID: <934aa59c4bd5d683d75651cbec78680cddd94cd9.camel@decadent.org.uk> Subject: Re: [PATCH 3.16] Backport of x86/vdso: Fix vDSO syscall fallback asm constraint regression From: Ben Hutchings To: Matthew Whitehead , Andy Lutomirski , Ben Hutchings , linux-kernel@vger.kernel.org Date: Tue, 29 Jan 2019 18:06:45 +0000 In-Reply-To: <1547901624-10766-1-git-send-email-tedheadster@gmail.com> References: <1547901624-10766-1-git-send-email-tedheadster@gmail.com> Content-Type: multipart/signed; micalg="pgp-sha512"; protocol="application/pgp-signature"; boundary="=-whdOUujC0YmIti1Vf284" User-Agent: Evolution 3.30.3-1 Mime-Version: 1.0 X-SA-Exim-Connect-IP: 192.168.4.242 X-SA-Exim-Mail-From: ben@decadent.org.uk X-SA-Exim-Scanned: No (on shadbolt.decadent.org.uk); SAEximRunCond expanded to false Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --=-whdOUujC0YmIti1Vf284 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Tue, 2019-01-22 at 14:51 +0000, Matthew Whitehead wrote: > On Fri, Jan 18, 2019 at 9:07 PM tedheadster > wrote: > > I do not see this problem with the upstream kernel, so 3.16 > > probably > > needs a missing upstream patch. >=20 > This was indeed fixed by Andy Lutomirski's follow-up patch "x86/vdso: > Fix vDSO syscall fallback asm constraint regression". I tested part > of Andy's patch and it resolved the failure. >=20 > The 3.16 LTS kernel does not have the > tools/testing/selftests/x86/test_vdso.c code, so a partial patch is > indicated, unless Andy wants to provide that. >=20 > Kindly backport to 3.16 LTS series. [...] I've queued this up now, thanks. Ben. --=20 Ben Hutchings The obvious mathematical breakthrough [to break modern encryption] would be development of an easy way to factor large prime numbers. - Bill Gates --=-whdOUujC0YmIti1Vf284 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEErCspvTSmr92z9o8157/I7JWGEQkFAlxQljUACgkQ57/I7JWG EQnzmg//WisAFOeQbElQAnhnTDExOXgSZXoB1NuAKlbDV3VYtxlyx6+a72RzuiRk vTCod5yNan+KtiUer3VBrukEmK7sY29B7yA6bxGub+UEaNoXt+N2SJ6wIXiocIuP Owcd871Kx+WeNEdl+xdHL4Qfgj5Hr8ln7WIV/gdATobTI4xp9rssfIpiYdhbnUIn tCifMscNLdmwGJxWelbqJedwsUn2G6SSV2r+TJvoW5TbFuMs6QJX2/PZMAPzlGzB 4QfDklx6c+tzIa6hYa/mDx7RxKODTPjZVgDjQjOStOi3pB/vO20JuhiV4GSjrxl4 RwDMr3UXousMesvakbojYnrR0/LZv5R0i/f4L61Wu+4Lk42shL3XI1xOQg9AdDo5 Rug8C9yQJp02kUs0UI++EdjAew15CnCQ+75Sk0qo9NYRloxTKf+yU1GGD07jX+e7 5bL/6aOLvt3/T888+fggp7oeJIrPiPmbd+Ijo7FeL0hTvESu5im6W3qRD0/5bpCa didOmZuH/IrFJz2Mu7iDFYiBgr1eO2KlkG0Ebkqc8FZwgi/ArB4pCm51cCY13RYE Xq6mNpctof6fhAaLYrlLhMQPEh8O+huH8mLjtlo0smI/f4g3WZc0YIA6u2j88TZk magnGnzH2vLOwlH86V0telAkXcJgZz7j0LeSq92as+hTO9QqZ9w= =UfHX -----END PGP SIGNATURE----- --=-whdOUujC0YmIti1Vf284--