From mboxrd@z Thu Jan 1 00:00:00 1970 From: Russell King - ARM Linux Subject: Re: [RFC PATCH v2 6/9] arm: allocate sys_membarrier system call number Date: Thu, 17 Sep 2015 14:49:09 +0100 Message-ID: <20150917134908.GP21084@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> <20150917131316.GO21084@n2100.arm.linux.org.uk> <886006042.10465.1442497073084.JavaMail.zimbra@efficios.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <886006042.10465.1442497073084.JavaMail.zimbra-vg+e7yoeK/dWk0Htik3J/w@public.gmane.org> Sender: linux-api-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Mathieu Desnoyers Cc: linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Andrew Morton , linux-api , Michael Jeanson List-Id: linux-api@vger.kernel.org On Thu, Sep 17, 2015 at 01:37:53PM +0000, Mathieu Desnoyers wrote: > ----- 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! I'll also merge my patch after -rc2's out, so expect it to appear in linux-next next week. -- FTTC broadband for 0.8mile line: currently at 9.6Mbps down 400kbps up according to speedtest.net.