6 - KVM-specific cpuid leaves (x86).
8 - KVM_CAP_DEVICE_CTRL userspace API.
14 - the x86 kvm shadow mmu.
16 - KVM-specific MSRs (x86).
18 - notes on nested virtualization for Intel x86 processors.
20 - the paravirtualization interface on PowerPC.
22 - review checklist for KVM patches.
24 - Diagnose hypercall description (for IBM S/390)
26 - timekeeping virtualization for x86-based architectures.