From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752350AbcAAWKA (ORCPT ); Fri, 1 Jan 2016 17:10:00 -0500 Received: from mout.kundenserver.de ([217.72.192.75]:50111 "EHLO mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751462AbcAAWJ5 (ORCPT ); Fri, 1 Jan 2016 17:09:57 -0500 From: Arnd Bergmann To: Sudip Mukherjee Cc: Bamvor Jian Zhang , y2038@lists.linaro.org, gregkh@linuxfoundation.org, broonie@kernel.org, linux-kernel@vger.kernel.org Subject: Re: [Y2038] [PATCH v2 2/2] ppdev: add support for compat ioctl Date: Fri, 01 Jan 2016 23:09:45 +0100 Message-ID: <9555229.aJQNyGf9cL@wuerfel> User-Agent: KMail/4.11.5 (Linux/3.16.0-10-generic; KDE/4.11.5; x86_64; ; ) In-Reply-To: <20160101050425.GB4135@sudip-pc> References: <1450346332-31830-1-git-send-email-bamvor.zhangjian@linaro.org> <6416183.AAnzQivnkS@wuerfel> <20160101050425.GB4135@sudip-pc> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" X-Provags-ID: V03:K0:2/z/zbxB53gliOz6nIlvywbQYuOZXei8Khk7o5HrpSw11dSph4S lbAM2SPLiYI5sFNPMHFssECjTG2FryX7UxeOD2E6p9D6J/DLTSx2v0EA6iT1I1j0z14HM90 RtYhB39GbzlDl+ygVJGVt/hml2ZOTSLd2rYlTu3ouWmdCuvcP9L1jXMPD6YeAsYGUlDC4dz r30+YXaQoCEixcEPBfgrA== X-UI-Out-Filterresults: notjunk:1;V01:K0:7awfk6ZlwYU=:83QEAvjsW4zSTw3z0qXIDM Cm2v3v232HY/fp0Av7QsjJXw5FQGDpzuMf+58nZkgH3ylw8FBUvXPwqcgO+l1TwLTom1Zgm7e kgjXqftmjUyKLF+Gg7bffcPu5Iw7ntMcn2ouS8s0YN2/PLAxeE+mPj7VqXKBsTmHzZv1ajwXH lISv6k8rCZ6t38ZyjqVghO74KeJw0Jvgg0sUfarSV6mR455sz/w0XphbVVJibYmrHpj0VWquW m3o6vRltVhJXWkaRMVfpiDc1aQihhxmia3EEsoMX+MoBRUOGbNUdZKLP2ZDZcSHzVIPDkzrqM uUz/3uS5yW6kkbkW+IsxYl7wc4kgRDAeOZtBcLe+Vy3XaQ6KekquOSuYkI5w3bkYjV3p6f4ZG g3eg7/ybWys6zaro44pJenClLGZdcMQaECv0gzJrjLIkTRrRmGdwI7XQJVxVzC0uMWxNKvxA+ rT7wrXM/RtZJVYvJs73YoeEyC3/E2B5sEc2IctpJBHNd2T9DstIjJ1Yik19Qa1tG4R2lGEQnN FfjlQ4vDoZ0XRcdyQIqumTPlLSb+LqM6M1ZFddf6JS6+nabe9+gZ0KdXmsR2CiiYWVDRrsnr0 4oYmQqelD4p872BSFBeyd+QJrtpTHs83CQcMcIyqg501dt59YCQ6cp0QKLJYq5BV7lPE3wedY ZtS1QxQwgDJ2+xNpsB/09dd70sWW3tAmVkBPQ8rwimf0MjooX2sVOBvBv0LQT4IovaM8YnBIi zA9LuEerTQvzOPJc Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Friday 01 January 2016 10:34:25 Sudip Mukherjee wrote: > > Did you happen to check with both 32-bit and 64-bit user space on a > > 64-bit kernel? This is one of the things that was not working originally > > but should work now. > > I dont think I can manage 32 bit userspace on 64-bit kernel here. But I > can definitely check it on a kvm guest. Just to be sure we are talking about the same thing: you mean running a 64-bit kernel in a kvm guest with a 32-bit file system, right? Running a 32-bit kvm guest on a 64-bit host would not be interesting of course. Arnd