[tobi1449]

As far as I understood it, Hyper-V is a native hypervisor like Xen or ESXi. So if you're using Hyper-V even your Windows is running as Guest alongside any other Hyper-V VMs and WSL2.

[lights0123]

Yes, although it has a "root partition", which could only be Windows up until a month ago[0].

[0]: https://lore.kernel.org/lkml/20200914112802.80611-1-wei.liu@...