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=-6.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,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 C6532C43387 for ; Fri, 18 Jan 2019 08:49:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9AB6D20855 for ; Fri, 18 Jan 2019 08:49:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727517AbfARIs7 (ORCPT ); Fri, 18 Jan 2019 03:48:59 -0500 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:58428 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727271AbfARIs6 (ORCPT ); Fri, 18 Jan 2019 03:48:58 -0500 Received: from pps.filterd (m0098410.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x0I8cuVU006669 for ; Fri, 18 Jan 2019 03:48:57 -0500 Received: from e06smtp05.uk.ibm.com (e06smtp05.uk.ibm.com [195.75.94.101]) by mx0a-001b2d01.pphosted.com with ESMTP id 2q37ver3tq-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Fri, 18 Jan 2019 03:48:57 -0500 Received: from localhost by e06smtp05.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Fri, 18 Jan 2019 08:48:52 -0000 Received: from b06wcsmtp001.portsmouth.uk.ibm.com (b06wcsmtp001.portsmouth.uk.ibm.com [9.149.105.160]) by b06cxnps4076.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id x0I8mpsb6357452 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Fri, 18 Jan 2019 08:48:51 GMT Received: from b06wcsmtp001.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 576BCA4060; Fri, 18 Jan 2019 08:48:51 +0000 (GMT) Received: from b06wcsmtp001.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 20C20A405C; Fri, 18 Jan 2019 08:48:51 +0000 (GMT) Received: from mschwideX1 (unknown [9.152.96.40]) by b06wcsmtp001.portsmouth.uk.ibm.com (Postfix) with ESMTP; Fri, 18 Jan 2019 08:48:51 +0000 (GMT) Date: Fri, 18 Jan 2019 09:48:50 +0100 From: Martin Schwidefsky To: Heiko Carstens Cc: Arnd Bergmann , linux-s390 , Linux Kernel Mailing List , y2038 Mailman List , Dominik Brodowski , Mark Rutland Subject: Re: [PATCH 0/5] s390: rework compat wrapper generation In-Reply-To: <20190117201920.GB3687@osiris> References: <20190116131527.2071570-1-arnd@arndb.de> <20190117133619.GD18351@osiris> <20190117201920.GB3687@osiris> X-Mailer: Claws Mail 3.13.2 (GTK+ 2.24.30; x86_64-pc-linux-gnu) MIME-Version: 1.0 X-TM-AS-GCONF: 00 x-cbid: 19011808-0020-0000-0000-000003082290 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 19011808-0021-0000-0000-0000215947E4 Message-Id: <20190118094850.07f84efc@mschwideX1> Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 8bit X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2019-01-18_05:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1901180066 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 17 Jan 2019 21:19:20 +0100 Heiko Carstens wrote: > On Thu, Jan 17, 2019 at 05:21:50PM +0100, Arnd Bergmann wrote: > > On Thu, Jan 17, 2019 at 2:36 PM Heiko Carstens > > wrote: > > > > > > On Wed, Jan 16, 2019 at 02:15:18PM +0100, Arnd Bergmann wrote: > > > > > > I did not test the changes at runtime, but I looked at the > > > > generated object code, which seems fine here and includes > > > > the same conversions as before. > > > > > > All looks good and seems to work fine. This is a very nice > > > simplification of our compat code, even if it adds some dead code to > > > the kernel image. > > > > > > I did some tests and it all looks good. Also the generated code looks > > > fine. So, if nothing breaks, this will go upstream with next merge > > > window via the s390 tree. > > > > > > Thanks again for your work! > > > > Awesome, thanks for testing it so quickly and agreeing to merge it! > > > > There is a dependency that I now have for my y2038 syscall series > > of course, so I'd need to have those patches on top of the s390 series. > > > > I think we can either have a shared git branch that gets merged both > > into your s390 tree and my y2038 tree, or we merge it only through > > my tree, with your Ack. > > > > Does that work for you? > > I'll discuss this with Martin tomorrow, however I think a shared git > branch would be the best solution. I want to get as much testing as > possible for this patch set, which means this must also be in the s390 > tree. Yes, a shared git branch seems like the best solutoin, this is now available as a topic branch on the s390/linux: git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux.git compat The branch has been merged to the features branch for v5.1. Thanks for the work on the compat code, good stuff! -- blue skies, Martin. "Reality continues to ruin my life." - Calvin.