[Bug 254513] virtio_random: random_harvestq spinning on a CPU with Q35 virtio random device

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=254513

--- Comment #29 from Chris Collins <chrysalis@chrysalisnet.org> ---
I just checked the qemu documentation and this is worth noting.

"Using RDRAND on the host, if available, as a source of entropy to pass on to
the guest via virtio-rng is better than the current /dev/random source."

This likely explains why I am seeing virtio rng been less efficient, so on
intel chips its probably a good thing anyway to not use virtio rng.

Regardless I have made a request to proxmox to raise the default value.

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