On Thu, 2024-07-25 at 12:31 +0100, Daniel P. Berrangé wrote: > On Thu, Jul 25, 2024 at 10:56:05AM +0100, David Woodhouse wrote: > > Hi Michael, thanks for the review! > > > > On Thu, 2024-07-25 at 01:48 -0400, Michael S. Tsirkin 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). > > In general it shouldn't have to take up a PCI slot, that's just > a common default policy. virtio-devices only need a dedicated > slot if there's a need to do hotplug/unplug of them. There is a > set of core devices for which hotplug doesn't make sense, which > could all be put as functions in the same slot. ie virtio-rng, > virtio-balloon and virtio-rtc, could all live in one slot. But if you don't have any virtio devices already, you still need one slot to put them in.
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