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

David Woodhouse <[email protected]> Sun, 28 Jul 2024 14:07:01 +0100

Newsgroups	dev.linux.lists.virtio-dev,dev.linux.lists.virtualization,org.infradead.lists.linux-arm-kernel,org.kernel.vger.linux-kernel,org.kernel.vger.linux-rtc,org.kernel.vger.netdev,org.nongnu.qemu-devel
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On 28 July 2024 11:37:04 BST, "Michael S. Tsirkin" <[email protected]> wrote:
>Glad you asked :)

Heh, I'm not sure I'm so glad. Did I mention I hate ACPI? Perhaps it's still not too late for me just to define a DT binding and use PRP0001 for it :)

>Long story short, QEMUVGID is indeed out of spec, but it works
>both because of guest compatibility with ACPI 1.0, and because no one
>much uses it.

I think it's reasonable enough to follow that example and use AMZNVCLK (or QEMUVCLK, but there seems little point in both) then?