This patch series adds the qemu support for running nested kvm-hv on a POWER9 platform with appropriate hypervisor support and migration of these guests. That is, the ability to run kvm-hv guests as guests of an operating system which is itself a kvm-hv guest.
The host (L0 hypervisor) and level 1 guest (L1 guest hypervisor) require the following patch series: [RFC PATCH 00/32] KVM: PPC: Book3S HV: Nested HV virtualization And this patch series in the qemu instance running on the L0 hypervisor. Patch series based on: ppc-for-3.1 RFC because waiting for the CAP number to be in upstream linux Suraj Jitindar Singh (2): target/ppc: Add one reg id for ptcr ppc/spapr_caps: Add SPAPR_CAP_NESTED_KVM_HV hw/ppc/spapr.c | 2 ++ hw/ppc/spapr_caps.c | 29 +++++++++++++++++++++++++++++ include/hw/ppc/spapr.h | 5 ++++- linux-headers/asm-powerpc/kvm.h | 1 + linux-headers/linux/kvm.h | 1 + target/ppc/kvm.c | 12 ++++++++++++ target/ppc/kvm_ppc.h | 12 ++++++++++++ target/ppc/translate_init.inc.c | 10 +++++----- 8 files changed, 66 insertions(+), 6 deletions(-) -- 2.13.6