KVM is the kernel virtualization module on Linux, QEMU handles the userland side support, all device emulation. The kvm binary on Linux is equivalent to running

KVM is the kernel virtualization module on Linux, QEMU handles the userland side support, all device emulation. The kvm binary on Linux is equivalent to running qemu-system-* with -enable-kvm. Newer versions of QEMU also support the '-accel kvm' argument but also adds other acceleration backends, such as '-accel tcg' (slower), '-accel haxm' (Intel/Windows), and finally '-accel hvf' for Apple's Hypervisor.Framework. This work here is extending that existing support from only Intel VT-x to also cover ARM Silicon, factoring out common code and API differences made by Apple.