Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932318AbaGBTHL (ORCPT ); Wed, 2 Jul 2014 15:07:11 -0400 Received: from mail-lb0-f174.google.com ([209.85.217.174]:55226 "EHLO mail-lb0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932209AbaGBTHJ (ORCPT ); Wed, 2 Jul 2014 15:07:09 -0400 Date: Wed, 2 Jul 2014 23:07:06 +0400 From: Cyrill Gorcunov To: Arnd Bergmann Cc: Christopher Covington , linux-kernel@vger.kernel.org, linux-api@vger.kernel.org, Michael Kerrisk , Thomas Gleixner , Andrew Morton , Andrey Vagin , Pavel Emelyanov , Vladimir Davydov , Linux ARM kernel mailing list Subject: Re: [patch 3/4] timerfd: Implement timerfd_ioctl method to restore timerfd_ctx::ticks Message-ID: <20140702190706.GH12440@moon> References: <20140623185431.396309193@openvz.org> <53B4382F.9030908@codeaurora.org> <20140702170416.GG12440@moon> <4188254.Av1Z2pQssC@wuerfel> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4188254.Av1Z2pQssC@wuerfel> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jul 02, 2014 at 09:01:02PM +0200, Arnd Bergmann wrote: > > > > > > 64-bit get_user is currently unsupported on ARM, although it appears work is > > > ongoing [1]. > > > > > > 1. https://lkml.org/lkml/2014/6/17/260 > > > > Thanks for info, Christopher! What arm camp is using then, copy-from-user? > > > > copy_from_user should work on all architectures. I believe a 64-bit get_user > is currently unsupported on most 32-bit architectures, x86-32 being a notable > exception. Thanks, I'll update. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/