On Tue, Jul 30, 2024 at 08:04:17PM +0100, David Woodhouse wrote: > On 30 July 2024 18:53:18 BST, "Michael S. Tsirkin" <m...@redhat.com> wrote: > >We don't want to manually sync headers with Linux. > > Indeed. I was briefly tempted to fake it, but figured it might get lost if we > subsequently do run the script to automatically merge from Linux, before the > guest driver is merged there. > > >I think Linux abi should live under uapi. When it is there, we can use > >./scripts/update-linux-headers.sh machinery to import it. > > This isn't just Linux ABI. It's intended as hypervisor to guest ABI too. In > the fullness of time I'm hoping it'll actually be a virtio header. In the > meantime, best not to overthink it. It's fine in hw/acpi alongside the device > itself for now, I think.
This is exactly the same as e.g. virtio. We use Linux as a source of truth, it's easier to share with other hypervisors this way. And UAPI and hypervisor ABI requirements wrt stability are mostly the same. It works. -- MST
