This is a set of patches for optional SVM nested features. V4: rebased on top of kvm/queue + my patch series 'SVM fixes + refactoring' and incorporated all review feedback. This was tested with kvm unit test, running on L0,L1, and L2, and no new failures were seen. This time I also tested this with all new features disabled in L1, and in L2, to avoid repeating an issue I had in nested tsc scaling. Best regards, Maxim Levitsky Maxim Levitsky (6): KVM: x86: nSVM: correctly virtualize LBR msrs when L2 is running KVM: x86: nSVM: implement nested LBR virtualization KVM: x86: nSVM: support PAUSE filtering when L0 doesn't intercept PAUSE KVM: x86: nSVM: implement nested vGIF KVM: x86: allow per cpu apicv inhibit reasons KVM: x86: SVM: allow AVIC to co-exist with a nested guest running arch/x86/include/asm/kvm-x86-ops.h | 1 + arch/x86/include/asm/kvm_host.h | 6 ++ arch/x86/kvm/svm/avic.c | 7 ++ arch/x86/kvm/svm/nested.c | 83 +++++++++++++-- arch/x86/kvm/svm/svm.c | 162 +++++++++++++++++++++++------ arch/x86/kvm/svm/svm.h | 41 ++++++-- arch/x86/kvm/x86.c | 14 ++- 7 files changed, 264 insertions(+), 50 deletions(-) -- 2.26.3