This series add support for ARMv8.3/8.4 nested virtualization support in KVM mode. It's based on Marc Zyngier's kernel KVM patches[1], and has been tested on a FVP model to run a L2 guest with Qemu. Now the feature can be enabled by "-M virt,accel=kvm,virtualization=on" when starting a VM.
[1] https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms.git/log/?h=kvm-arm64/nv-5.12-WIP Haibo Xu (3): Update linux header with new arm64 NV macro. Enable support for setting KVM vGIC maintenance IRQ Enable nested virtualization support in arm64 KVM mode hw/arm/virt.c | 11 ++++++++--- hw/intc/arm_gicv3_common.c | 1 + hw/intc/arm_gicv3_kvm.c | 16 ++++++++++++++++ include/hw/intc/arm_gicv3_common.h | 1 + linux-headers/asm-arm64/kvm.h | 2 ++ linux-headers/linux/kvm.h | 1 + target/arm/cpu.h | 8 ++++++++ target/arm/kvm64.c | 14 ++++++++++++++ target/arm/kvm_arm.h | 28 ++++++++++++++++++++++++++++ 9 files changed, 79 insertions(+), 3 deletions(-) -- 2.17.1
