On Fri, Feb 02, 2024 at 09:53:52AM -0600, Rob Herring wrote: > On Wed, Jan 31, 2024 at 10:23:03AM -0800, Saravana Kannan wrote: > > > > We also need the OPP tables to indicate which CPUs are part of the > > same cluster, etc. Don't want to invent a new "protocol" and just use > > existing DT bindings. > > Topology binding is for that. > > What about when x86 and other ACPI systems need to do this too? You > define a discoverable interface, then it works regardless of firmware. > KVM, Virtio, VFIO, etc. are all their own protocols. > +1 for the above. I have mentioned the same couple of times but I am told it can be taken up later which I fail to understand. Once we define DT bindings, it must be supported for long time which doesn't provide any motivation to such a discoverable interface which works on any virtual platforms irrespective of the firmware. -- Regards, Sudeep
