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Date: Wed, 14 Mar 2018 09:13:17 -0700
From: Christoph Hellwig <hch@infradead.org>
To: Vitaly Kuznetsov <vkuznets@redhat.com>
Cc: kvm@vger.kernel.org, x86@kernel.org,
        Paolo Bonzini <pbonzini@redhat.com>,
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        Haiyang Zhang <haiyangz@microsoft.com>,
        Stephen Hemminger <sthemmin@microsoft.com>,
        "Michael Kelley (EOSG)" <Michael.H.Kelley@microsoft.com>,
        Mohammed Gamal <mmorsy@redhat.com>, Cathy Avery <cavery@redhat.com>,
        Bandan Das <bsd@redhat.com>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3 1/7] x86/hyper-v: move hyperv.h out of uapi
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On Fri, Mar 09, 2018 at 03:02:43PM +0100, Vitaly Kuznetsov wrote:
> hyperv.h is not part of uapi, there are no (known) users outside of kernel.
> We are making changes to this file to match current Hyper-V TLFS and we
> don't want to maintain backwards compatibility.
> 
> Move the file renaming to hyperv-tlfs.h to avoid confusing it with
> mshyperv.h. In future, all definitions from TLFS should go to it and
> all kernel objects should go to mshyperv.h or include/linux/hyperv.h.

What is TLFS?  And hows does it differe from mshyperv.h?