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