Date: Wed, 21 Dec 2016 15:59:20 +0300
From: Roman Kagan <rkagan@virtuozzo.com>
To: Christoph Hellwig <hch@infradead.org>
CC: Stephen Hemminger <stephen@networkplumber.org>,
        Paolo Bonzini <pbonzini@redhat.com>,
        Radim =?utf-8?B?S3LEjW3DocWZ?= <rkrcmar@redhat.com>,
        "K. Y. Srinivasan" <kys@microsoft.com>,
        Vitaly Kuznetsov <vkuznets@redhat.com>, <kvm@vger.kernel.org>,
        "Denis V . Lunev" <den@openvz.org>,
        Haiyang Zhang <haiyangz@microsoft.com>, <x86@kernel.org>,
        <linux-kernel@vger.kernel.org>, Ingo Molnar <mingo@redhat.com>,
        "H. Peter Anvin" <hpa@zytor.com>, <devel@linuxdriverproject.org>,
        Thomas Gleixner <tglx@linutronix.de>
Subject: Re: [PATCH 12/15] hyperv: move VMBus connection ids to uapi
Message-ID: <20161221125920.GG15917@rkaganb.sw.ru>
Mail-Followup-To: Roman Kagan <rkagan@virtuozzo.com>,
        Christoph Hellwig <hch@infradead.org>,
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        "K. Y. Srinivasan" <kys@microsoft.com>,
        Vitaly Kuznetsov <vkuznets@redhat.com>, kvm@vger.kernel.org,
        "Denis V . Lunev" <den@openvz.org>,
        Haiyang Zhang <haiyangz@microsoft.com>, x86@kernel.org,
        linux-kernel@vger.kernel.org, Ingo Molnar <mingo@redhat.com>,
        "H. Peter Anvin" <hpa@zytor.com>, devel@linuxdriverproject.org,
        Thomas Gleixner <tglx@linutronix.de>
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On Wed, Dec 21, 2016 at 04:18:58AM -0800, Christoph Hellwig wrote:
> 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.

That's fine by me.

I guess the series should then start with a complete move
arch/x86/include/uapi/asm/hyperv.h ->
arch/x86/include/asm/hyperv_proto.h, and the remaining patches have to
change the latter instead of the former?

Thanks,
Roman.