OpenBSD vmm enabled
Just to get out in front of this, as someone who is a quasi-fan of OpenBSD: yes, Theo had a scathing rant years ago about virtualization being terrible [1]. But it should be noted that that was well before virtualization on x86 was mature, and in response to an assertion that the use of VMs would increase security.[1] https://marc.info/?l=openbsd-misc&m=119318909016582