KVM: x86: SVM: use vmcb01 in init_vmcb

Clarify that this function is not used to initialize any part of
the vmcb02.  No functional change intended.
Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

arch/x86/kvm/svm/avic.c

@@ -165,9 +165,8 @@ int avic_vm_init(struct kvm *kvm)
 	return err;
 }
 
-void avic_init_vmcb(struct vcpu_svm *svm)
+void avic_init_vmcb(struct vcpu_svm *svm, struct vmcb *vmcb)
 {
-	struct vmcb *vmcb = svm->vmcb;
 	struct kvm_svm *kvm_svm = to_kvm_svm(svm->vcpu.kvm);
 	phys_addr_t bpa = __sme_set(page_to_phys(svm->avic_backing_page));
 	phys_addr_t lpa = __sme_set(page_to_phys(kvm_svm->avic_logical_id_table_page));

arch/x86/kvm/svm/svm.c

@@ -984,8 +984,9 @@ static inline void init_vmcb_after_set_cpuid(struct kvm_vcpu *vcpu)
 static void init_vmcb(struct kvm_vcpu *vcpu)
 {
 	struct vcpu_svm *svm = to_svm(vcpu);
-	struct vmcb_control_area *control = &svm->vmcb->control;
-	struct vmcb_save_area *save = &svm->vmcb->save;
+	struct vmcb *vmcb = svm->vmcb01.ptr;
+	struct vmcb_control_area *control = &vmcb->control;
+	struct vmcb_save_area *save = &vmcb->save;
 
 	svm_set_intercept(svm, INTERCEPT_CR0_READ);
 	svm_set_intercept(svm, INTERCEPT_CR3_READ);
@@ -1109,7 +1110,7 @@ static void init_vmcb(struct kvm_vcpu *vcpu)
 		set_msr_interception(vcpu, svm->msrpm, MSR_IA32_SPEC_CTRL, 1, 1);
 
 	if (kvm_vcpu_apicv_active(vcpu))
-		avic_init_vmcb(svm);
+		avic_init_vmcb(svm, vmcb);
 
 	if (vgif) {
 		svm_clr_intercept(svm, INTERCEPT_STGI);
@@ -1127,10 +1128,10 @@ static void init_vmcb(struct kvm_vcpu *vcpu)
 		}
 	}
 
-	svm_hv_init_vmcb(svm->vmcb);
+	svm_hv_init_vmcb(vmcb);
 	init_vmcb_after_set_cpuid(vcpu);
 
-	vmcb_mark_all_dirty(svm->vmcb);
+	vmcb_mark_all_dirty(vmcb);
 
 	enable_gif(svm);
 }

arch/x86/kvm/svm/svm.h

@@ -580,7 +580,7 @@ extern struct kvm_x86_nested_ops svm_nested_ops;
 int avic_ga_log_notifier(u32 ga_tag);
 void avic_vm_destroy(struct kvm *kvm);
 int avic_vm_init(struct kvm *kvm);
-void avic_init_vmcb(struct vcpu_svm *svm);
+void avic_init_vmcb(struct vcpu_svm *svm, struct vmcb *vmcb);
 int avic_incomplete_ipi_interception(struct kvm_vcpu *vcpu);
 int avic_unaccelerated_access_interception(struct kvm_vcpu *vcpu);
 int avic_init_vcpu(struct vcpu_svm *svm);