How Linux runs a virtual machine as a process

A visual explainer on the programming model behind KVM. A virtual CPU is just a host thread calling KVM_RUN , guest RAM is mapped into the process, and execution returns to userspace whenever the guest triggers a VM exit. It also covers /dev/kvm , hardware virtualization, EPT/NPT, QEMU, virtio and vhost. submitted by /u/Ok_Marionberry8922 [link] [留言]