Re: [PATCH] ptp: Add vDSO-style vmclock support

[Michael S. Tsirkin]

On Thu, Jul 25, 2024 at 01:27:49PM +0100, David Woodhouse wrote:
> On Thu, 2024-07-25 at 08:17 -0400, Michael S. Tsirkin wrote:
> > On Thu, Jul 25, 2024 at 10:56:05AM +0100, David Woodhouse wrote:
> > > > Do you want to just help complete virtio-rtc then? Would be easier than
> > > > trying to keep two specs in sync.
> > > 
> > > The ACPI version is much more lightweight and doesn't take up a
> > > valuable PCI slot#. (I know, you can do virtio without PCI but that's
> > > complex in other ways).
> > > 
> > 
> > Hmm, should we support virtio over ACPI? Just asking.
> 
> Given that we support virtio DT bindings, and the ACPI "PRP0001" device
> exists with a DSM method which literally returns DT properties,
> including such properties as "compatible=virtio,mmio" ... do we
> already?
> 
> 

In a sense, but you are saying that is too complex?
Can you elaborate?

-- 
MST