The new nested specific enlightenment speeds up L2 vmexits by avoiding unnecessary updates to L2 MSR-Bitmap. Support for both VMX and SVM is coming to KVM: https://lore.kernel.org/kvm/20211129094704.326635-1-vkuzn...@redhat.com/ https://lore.kernel.org/kvm/20211220152139.418372-1-vkuzn...@redhat.com/
Vitaly Kuznetsov (2): i386: Use hv_build_cpuid_leaf() for HV_CPUID_NESTED_FEATURES i386: Hyper-V Enlightened MSR bitmap feature docs/hyperv.txt | 10 ++++++++++ target/i386/cpu.c | 2 ++ target/i386/cpu.h | 2 +- target/i386/kvm/hyperv-proto.h | 5 +++++ target/i386/kvm/kvm.c | 30 ++++++++++++++++++++++-------- 5 files changed, 40 insertions(+), 9 deletions(-) -- 2.33.1
