[PATCH 0/2] i386: Add support for Hyper-V Enlightened MSR-Bitmap feature

[Vitaly Kuznetsov]

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-vkuznets@redhat.com/
https://lore.kernel.org/kvm/20211220152139.418372-1-vkuznets@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