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

[Roman Kagan]

On Mon, Jan 02, 2017 at 09:19:57AM +0100, Paolo Bonzini wrote:
> On 28/12/2016 18:09, Roman Kagan wrote:
> > Am I correct assuming that QEMU is currently the only user of
> > arch/x86/include/uapi/asm/hyperv.h?
> > 
> > Then I think we're fine withdrawing it from uapi as a whole and letting
> > QEMU pull it in through its header-harvesting scripts (as does now
> > anyway).  This would lift all licensing and longterm API stability
> > expectations.
> 
> Actually, QEMU's header-harvesting scripts use uapi/ headers
> exclusively, since they are built on "make headers_install".
> 
> The extra cleanups that QEMU does on top are to allow compilation of the
> headers on non-Linux machines.  They don't really do much more than
> changing Linux (linux/types.h) integer types to the C99 (stdint.h)
> equivalents.

Ouch, I stand corrected.

So what should we do with it then?  I'm sorta lost...

We certainly can give it up and live with a private copy of the
definitions in the QEMU tree but that doesn't sound optimal in any
sense.

Thanks,
Roman.