From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752270AbbIQNNZ (ORCPT ); Thu, 17 Sep 2015 09:13:25 -0400 Received: from pandora.arm.linux.org.uk ([78.32.30.218]:55273 "EHLO pandora.arm.linux.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751816AbbIQNNX (ORCPT ); Thu, 17 Sep 2015 09:13:23 -0400 Date: Thu, 17 Sep 2015 14:13:16 +0100 From: Russell King - ARM Linux To: Mathieu Desnoyers Cc: linux-kernel@vger.kernel.org, Andrew Morton , linux-api , Michael Jeanson Subject: Re: [RFC PATCH v2 6/9] arm: allocate sys_membarrier system call number Message-ID: <20150917131316.GO21084@n2100.arm.linux.org.uk> References: <1441642556-30972-1-git-send-email-mathieu.desnoyers@efficios.com> <1441642556-30972-7-git-send-email-mathieu.desnoyers@efficios.com> <2106738851.9514.1442428030540.JavaMail.zimbra@efficios.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <2106738851.9514.1442428030540.JavaMail.zimbra@efficios.com> 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, Sep 16, 2015 at 06:27:10PM +0000, Mathieu Desnoyers wrote: > ----- On Sep 7, 2015, at 12:15 PM, Mathieu Desnoyers mathieu.desnoyers@efficios.com wrote: > > > [ Untested on this architecture. To try it out: fetch linux-next/akpm, > > apply this patch, build/run a membarrier-enabled kernel, and do make > > kselftest. ] > > Hi, > > We tested the system call on our ARM board (Wandboard, SoC > Freescale i.MX6 Quad) by applying this patch on top of > Linux 4.3-rc1. Both the membarrier kselftest and > Userspace RCU regression tests (the latter manually wired up > on sys_membarrier) work fine. > > Tested-by: Mathieu Desnoyers > > sys_membarrier has been pulled into Linux 4.3-rc1. Please > feel free to wire it up on ARM. Well, it's not going to end up with 388, but 389, because we also have userfaultfd added in the same merge window, and I follow the x86 syscall ordering when adding to ARM. -- FTTC broadband for 0.8mile line: currently at 9.6Mbps down 400kbps up according to speedtest.net.