[RFC PATCH 0/4] Support for out-of-tree hypervisor modules in i915/gvt

[Christoph Hellwig]

On Thu, Jan 09, 2020 at 07:13:53PM +0200, Julian Stecklina wrote:
> These patch series removes the dependency of i915/gvt hypervisor
> backends on the driver internals of the i915 driver. Instead, we add a
> small public API that hypervisor backends can use.
> 
> This enables out-of-tree hypervisor backends for the Intel graphics
> virtualization and simplifies development. At the same time, it
> creates at least a bit of a barrier to including more i915 internals
> into kvmgt, which is nice in itself.

Err, hell no.  This is not how Linux kernel development works.