From mboxrd@z Thu Jan 1 00:00:00 1970 From: gorcunov@gmail.com (Cyrill Gorcunov) Date: Wed, 2 Jul 2014 23:07:06 +0400 Subject: [patch 3/4] timerfd: Implement timerfd_ioctl method to restore timerfd_ctx::ticks In-Reply-To: <4188254.Av1Z2pQssC@wuerfel> References: <20140623185431.396309193@openvz.org> <53B4382F.9030908@codeaurora.org> <20140702170416.GG12440@moon> <4188254.Av1Z2pQssC@wuerfel> Message-ID: <20140702190706.GH12440@moon> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.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.