I was going to guess they were using the improved support for things like shadow pagetables to help with live migration - but I'm not sure why they couldn't just do that with the existing user/kernel divide, as you say.…
I was going to guess they were using the improved support for things like shadow pagetables to help with live migration - but I'm not sure why they couldn't just do that with the existing user/kernel divide, as you say.…