linux-kernel - Re: [PATCH 12/15] hyperv: move VMBus connection ids to uapi

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Message-ID: <20161221125920.GG15917@rkaganb.sw.ru>
Date:   Wed, 21 Dec 2016 15:59:20 +0300
From:   Roman Kagan <rkagan@...tuozzo.com>
To:     Christoph Hellwig <hch@...radead.org>
CC:     Stephen Hemminger <stephen@...workplumber.org>,
        Paolo Bonzini <pbonzini@...hat.com>,
        Radim Krčmář <rkrcmar@...hat.com>,
        "K. Y. Srinivasan" <kys@...rosoft.com>,
        Vitaly Kuznetsov <vkuznets@...hat.com>, <kvm@...r.kernel.org>,
        "Denis V . Lunev" <den@...nvz.org>,
        Haiyang Zhang <haiyangz@...rosoft.com>, <x86@...nel.org>,
        <linux-kernel@...r.kernel.org>, Ingo Molnar <mingo@...hat.com>,
        "H. Peter Anvin" <hpa@...or.com>, <devel@...uxdriverproject.org>,
        Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH 12/15] hyperv: move VMBus connection ids to uapi

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.