Re: [Qemu-devel] [Xen-devel] [PATCH] Citrix PV Bus device

[Ian Campbell]

On Tue, 2013-07-02 at 11:31 +0100, Paul Durrant wrote:
> > > XS, XC and anyone else who chooses could carry a separate patch that
> > > changes the default to 'install if there are no drivers', signalling
> > > over xenstore, or ACPI, or a Windows domain policy, or whatever.
> > 
> > Right.
> > 
> 
> Surely having a new device for the purposes of hosting Citrix PV
> drivers is a cleaner option for opting in? Note that I'm not proposing
> the new device displaces the existing platform device in any way.

A dislike for having to coordinate guest internal and guest external
configuration changes in this way has been expressed by several people.

However if you only intend to support your drivers on XenServer (and it
is starting to seem like your constraints may end up forcing this option
upon you) then you can equally well carry that new device in your
patches too and manage it however your PMs require.

Ian.