The attack surface is different, you may be interested in https://archive.fosdem.org/2019/schedule/event/solo5_unikern... and/or https://archive.fosdem.org/2019/schedule/event/solo5_unikern... :)
TL;DR: hardware virtualization is pushing trust into hardware -- but can you trust the hardware implementation (to isolate memory)?
The attack surface is different, you may be interested in https://archive.fosdem.org/2019/schedule/event/solo5_unikern... and/or https://archive.fosdem.org/2019/schedule/event/solo5_unikern... :)
TL;DR: hardware virtualization is pushing trust into hardware -- but can you trust the hardware implementation (to isolate memory)?