KVM: x86: Use lapic_in_kernel() to query in-kernel APIC in APICv helper

Use lapic_in_kernel() in kvm_vcpu_apicv_active() to take advantage of the
kvm_has_noapic_vcpu static branch.

No functional change intended.
Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20220614230548.3852141-6-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

arch/x86/kvm/lapic.h

@@ -205,7 +205,7 @@ static inline int apic_x2apic_mode(struct kvm_lapic *apic)
 
 static inline bool kvm_vcpu_apicv_active(struct kvm_vcpu *vcpu)
 {
-	return vcpu->arch.apic && vcpu->arch.apic->apicv_active;
+	return lapic_in_kernel(vcpu) && vcpu->arch.apic->apicv_active;
 }
 
 static inline bool kvm_apic_has_events(struct kvm_vcpu *vcpu)