[Bug 277326] FreeBSD guest on QEMU with Hyper-V enlightenment on is no longer able to detect Hyper-V devices

From: <bugzilla-noreply_at_freebsd.org>
Date: Mon, 26 Feb 2024 10:30:30 UTC

--- Comment #3 from Roger Pau Monné <royger@freebsd.org> ---
Hm, I guess I'm a bit confused.  If the hypervisor is KVM, shouldn't it be
detected as KVM rather than HyperV?  If it's QEMU running on KVM and providing
HyperV enlightenments, that's quite likely the same that's done on Xen, and if
FreeBSD supports Xen enlightenments is much better to use those rather than the
HyperV ones (as those are just a subset of the HyperV features aimed at making
Windows faster when running on Xen).

What's the benefit of using the HyperV enlightenments when running on QEMU/KVM?

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