KVM: x86: replace is_smm checks with kvm_x86_ops.smi_allowed
Do not hardcode is_smm so that all the architectural conditions for
blocking SMIs are listed in a single place. Well, in two places because
this introduces some code duplication between Intel and AMD.
This ensures that nested SVM obeys GIF in kvm_vcpu_has_events.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c
index c6e5374..7394140 100644
--- a/arch/x86/kvm/svm/svm.c
+++ b/arch/x86/kvm/svm/svm.c
@@ -3783,7 +3783,7 @@ static bool svm_smi_allowed(struct kvm_vcpu *vcpu)
return false;
}
- return true;
+ return !is_smm(vcpu);
}
static int svm_pre_enter_smm(struct kvm_vcpu *vcpu, char *smstate)
diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
index 4ca1f1f..d0bea51 100644
--- a/arch/x86/kvm/vmx/vmx.c
+++ b/arch/x86/kvm/vmx/vmx.c
@@ -7680,7 +7680,7 @@ static bool vmx_smi_allowed(struct kvm_vcpu *vcpu)
/* we need a nested vmexit to enter SMM, postpone if run is pending */
if (to_vmx(vcpu)->nested.nested_run_pending)
return false;
- return true;
+ return !is_smm(vcpu);
}
static int vmx_pre_enter_smm(struct kvm_vcpu *vcpu, char *smstate)
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index bdcb4e7..446fbdd 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -7764,8 +7764,7 @@ static int inject_pending_event(struct kvm_vcpu *vcpu)
if (kvm_event_needs_reinjection(vcpu))
return 0;
- if (vcpu->arch.smi_pending && !is_smm(vcpu) &&
- kvm_x86_ops.smi_allowed(vcpu)) {
+ if (vcpu->arch.smi_pending && kvm_x86_ops.smi_allowed(vcpu)) {
vcpu->arch.smi_pending = false;
++vcpu->arch.smi_count;
enter_smm(vcpu);
@@ -10206,7 +10205,8 @@ static inline bool kvm_vcpu_has_events(struct kvm_vcpu *vcpu)
return true;
if (kvm_test_request(KVM_REQ_SMI, vcpu) ||
- (vcpu->arch.smi_pending && !is_smm(vcpu)))
+ (vcpu->arch.smi_pending &&
+ kvm_x86_ops.smi_allowed(vcpu)))
return true;
if (kvm_arch_interrupt_allowed(vcpu) &&