AWS uses virtualization domains to separate customer workloads, and Meltdown required that they all be HVM to provide strong guarantees: https://lists.xenprojec

AWS uses virtualization domains to separate customer workloads, and Meltdown required that they all be HVM to provide strong guarantees: https://lists.xenproject.org/archives/html/xen-devel/2018-01/msg00436.html https://lists.xenproject.org/archives/html/xen-devel/2018-01... Your account's Lambda functions won't share a kernel with anyone else's