I sent out v1 a few months back. Here are the changes: v1 -> v2: 1. Patch# 1 has been dropped as we do not want to check GUEST_DEBUGCTL software. 2. Patch# 3 has been dropped. 3. Patch# 4 has been modified to include only the tests for GUEST_DR7 and to be run directly on hardware as well. [PATCH 1/2 v2] KVM: nVMX: Check GUEST_DR7 on vmentry of nested guests [PATCH 2/2 v2] kvm-unit-test: nVMX: Test GUEST_DR7 on vmentry of nested guests arch/x86/kvm/vmx/nested.c | 6 ++++++ arch/x86/kvm/x86.c | 2 +- arch/x86/kvm/x86.h | 6 ++++++ 3 files changed, 13 insertions(+), 1 deletion(-) Krish Sadhukhan (1): nVMX: Check GUEST_DR7 on vmentry of nested guests x86/vmx_tests.c | 44 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) Krish Sadhukhan (1): nVMX: Test GUEST_DR7 on vmentry of nested guests