Path: csiph.com!1.us.feeder.erje.net!2.us.feeder.erje.net!feeder.erje.net!2.eu.feeder.erje.net!news.in-chemnitz.de!news2.arglkargh.de!news.mixmin.net!news.unit0.net!news.panservice.it!bofh.it!news.nic.it!robomod From: Christoph Hellwig Newsgroups: linux.kernel Subject: Re: [PATCH 12/15] hyperv: move VMBus connection ids to uapi Date: Wed, 21 Dec 2016 13:20:02 +0100 Message-ID: References: X-Original-To: Roman Kagan , Stephen Hemminger , Paolo Bonzini , Radim =?utf-8?B?S3LEjW3DocWZ?= , "K. Y. Srinivasan" , Vitaly Kuznetsov , kvm@vger.kernel.org, "Denis V . Lunev" , Haiyang Zhang , x86@kernel.org, linux-kernel@vger.kernel.org, Ingo Molnar , "H. Peter Anvin" , devel@linuxdriverproject.org, Thomas Gleixner MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.6.1 (2016-04-27) X-Srs-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Sender: robomod@news.nic.it List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Approved: robomod@news.nic.it Lines: 8 Organization: linux.* mail to news gateway X-Original-Date: Wed, 21 Dec 2016 04:18:58 -0800 X-Original-Message-ID: <20161221121858.GA17429@infradead.org> X-Original-References: <20161220155602.6298-1-rkagan@virtuozzo.com> <20161220155602.6298-13-rkagan@virtuozzo.com> <20161220092543.6183bffd@xeon-e3> <20161221062939.GB15917@rkaganb.sw.ru> X-Original-Sender: linux-kernel-owner@vger.kernel.org Xref: csiph.com linux.kernel:1545734 On Wed, Dec 21, 2016 at 09:29:39AM +0300, Roman Kagan wrote: > QEMU in particular. We're planning to implement VMBus devices in QEMU > and would like to have the definitions shared with the Linux guest > drivers for Hyper-V. And that's everything but a userspace API. The way to go for protocol constants is to have a normal kernel header that is not exported, and a copy of it wherever else you need it.