[PATCH 22/22] KVM: nSVM: enable GMET for guests

[Paolo Bonzini]

All that needs to be done is moving the GMET bit from vmcs12 to
vmcs02.

Signed-off-by: Paolo Bonzini <pbonzini@xxxxxxxxxx>
---
 arch/x86/kvm/svm/nested.c | 3 +++
 arch/x86/kvm/svm/svm.c    | 3 +++
 2 files changed, 6 insertions(+)

diff --git a/arch/x86/kvm/svm/nested.c b/arch/x86/kvm/svm/nested.c
index d69bcf52f948..397e9afecb78 100644
--- a/arch/x86/kvm/svm/nested.c
+++ b/arch/x86/kvm/svm/nested.c
@@ -774,6 +774,9 @@ static void nested_vmcb02_prepare_control(struct vcpu_svm *svm,
 		vmcb02->control.bus_lock_counter = 0;
 
 	vmcb02->control.nested_ctl &= ~SVM_NESTED_CTL_GMET_ENABLE;
+	if (guest_cpu_cap_has(vcpu, X86_FEATURE_GMET))
+		vmcb02->control.nested_ctl |=
+			(svm->nested.ctl.nested_ctl & SVM_NESTED_CTL_GMET_ENABLE);
 
 	/* Done at vmrun: asid.  */
 
diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c
index d3b69eb3242b..4a0d97e70dc2 100644
--- a/arch/x86/kvm/svm/svm.c
+++ b/arch/x86/kvm/svm/svm.c
@@ -5294,6 +5294,9 @@ static __init void svm_set_cpu_caps(void)
 		if (boot_cpu_has(X86_FEATURE_PFTHRESHOLD))
 			kvm_cpu_cap_set(X86_FEATURE_PFTHRESHOLD);
 
+		if (boot_cpu_has(X86_FEATURE_GMET))
+			kvm_cpu_cap_set(X86_FEATURE_GMET);
+
 		if (vgif)
 			kvm_cpu_cap_set(X86_FEATURE_VGIF);
 
-- 
2.52.0