On Thu, Jun 25, 2026 at 06:17:39PM +0900, Mikko Perttunen wrote: > On Thursday, June 25, 2026 5:34 PM Krzysztof Kozlowski wrote: > > On Mon, Jun 22, 2026 at 05:22:50PM +0900, Mikko Perttunen wrote: > > > Host1x can be used without accessing the hypervisor or common > > > registers. Adjust the bindings to make them optional. > > > > You still have these registers in the hardware, so it is not optional, > > not flexible. IOW, DTS represents the view of real hardware for the > > software, and that hardware still has this address space regardless if > > OS should use it or not. > > > > Otherwise you need to provide better background here. > > > > Best regards, > > Krzysztof > > > > > > The intent is that the vm-only version is used in situations where the > other register regions are not available to software. Typically that > means running as a virtual machine, and the hypervisor owns the non-vm > register regions and doesn't pass them to the guest. > > Since the guest runs under the hypervisor, its view of 'real hardware' > is what the hypervisor is exposing to it -- in this case with just the > "vm" register region. > > I'll add further explanation along above lines to the commit message > if you're OK with it.
Yeah, it's fine. Please extend the commit msg to make it more obvious. Best regards, Krzysztof
