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KVM: selftests: Verify VMX MSRs can be restored to KVM-supported values

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Verify that KVM allows toggling VMX MSR bits to be "more" restrictive,
and also allows restoring each MSR to KVM's original, less restrictive
value.

Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20220607213604.3346000-16-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Sean Christopherson
2022-06-07 21:36:04 +00:00
committed by Paolo Bonzini
parent a910b5ab6b
commit ce30d8b976
4 changed files with 87 additions and 0 deletions
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tools/testing/selftests/kvm/include/x86_64/processor.h
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@@ -100,6 +100,7 @@ struct kvm_x86_cpu_feature {
#define X86_FEATURE_SMEP KVM_X86_CPU_FEATURE(0x7, 0, EBX, 7)
#define X86_FEATURE_INVPCID KVM_X86_CPU_FEATURE(0x7, 0, EBX, 10)
#define X86_FEATURE_RTM KVM_X86_CPU_FEATURE(0x7, 0, EBX, 11)
#define X86_FEATURE_MPX KVM_X86_CPU_FEATURE(0x7, 0, EBX, 14)
#define X86_FEATURE_SMAP KVM_X86_CPU_FEATURE(0x7, 0, EBX, 20)
#define X86_FEATURE_PCOMMIT KVM_X86_CPU_FEATURE(0x7, 0, EBX, 22)
#define X86_FEATURE_CLFLUSHOPT KVM_X86_CPU_FEATURE(0x7, 0, EBX, 23)