From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mathieu Desnoyers Subject: Re: [RFC PATCH v2 6/9] arm: allocate sys_membarrier system call number Date: Thu, 17 Sep 2015 13:37:53 +0000 (UTC) Message-ID: <886006042.10465.1442497073084.JavaMail.zimbra@efficios.com> 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> <20150917131316.GO21084@n2100.arm.linux.org.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20150917131316.GO21084-l+eeeJia6m9vn6HldHNs0ANdhmdF6hFW@public.gmane.org> Sender: linux-api-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Russell King - ARM Linux Cc: linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Andrew Morton , linux-api , Michael Jeanson List-Id: linux-api@vger.kernel.org ----- On Sep 17, 2015, at 9:13 AM, Russell King - ARM Linux linux-lFZ/pmaqli7XmaaqVzeoHQ@public.gmane.org wrote: > 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-vg+e7yoeK/dWk0Htik3J/w@public.gmane.org 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. That's fine with me! Thanks, Mathieu > > -- > FTTC broadband for 0.8mile line: currently at 9.6Mbps down 400kbps up > according to speedtest.net. -- Mathieu Desnoyers EfficiOS Inc. http://www.efficios.com