Linux 7.1 Unlocks pKVM Isolation and AVX-512 BMM for KVM: Virtualization’s Next Leap Forward
The Linux 7.1 kernel merge window closed with KVM changes that push virtualization boundaries. Kernel-based Virtual Machine, the workhorse of open-source hypervisors, now carries experimental support for pKVM protected guests on Arm. Pages unmap from the host as guests fault them in. Guests share them back via pKVM hypercalls. This setup aims for full host