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

[David Woodhouse]

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?

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