KVM: x86: Make return for {interrupt_nmi,smi}_allowed() a bool instead of int
Return an actual bool for kvm_x86_ops' {interrupt_nmi}_allowed() hook to
better reflect the return semantics, and to avoid creating an even
bigger mess when the related VMX code is refactored in upcoming patches.
Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Message-Id: <20200423022550.15113-5-sean.j.christopherson@intel.com>
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 f97f29e..c6e5374 100644
--- a/arch/x86/kvm/svm/svm.c
+++ b/arch/x86/kvm/svm/svm.c
@@ -3065,11 +3065,11 @@ static void update_cr8_intercept(struct kvm_vcpu *vcpu, int tpr, int irr)
set_cr_intercept(svm, INTERCEPT_CR8_WRITE);
}
-static int svm_nmi_allowed(struct kvm_vcpu *vcpu)
+static bool svm_nmi_allowed(struct kvm_vcpu *vcpu)
{
struct vcpu_svm *svm = to_svm(vcpu);
struct vmcb *vmcb = svm->vmcb;
- int ret;
+ bool ret;
ret = !(vmcb->control.int_state & SVM_INTERRUPT_SHADOW_MASK) &&
!(svm->vcpu.arch.hflags & HF_NMI_MASK);
@@ -3098,14 +3098,14 @@ static void svm_set_nmi_mask(struct kvm_vcpu *vcpu, bool masked)
}
}
-static int svm_interrupt_allowed(struct kvm_vcpu *vcpu)
+static bool svm_interrupt_allowed(struct kvm_vcpu *vcpu)
{
struct vcpu_svm *svm = to_svm(vcpu);
struct vmcb *vmcb = svm->vmcb;
if (!gif_set(svm) ||
(vmcb->control.int_state & SVM_INTERRUPT_SHADOW_MASK))
- return 0;
+ return false;
if (is_guest_mode(vcpu) && (svm->vcpu.arch.hflags & HF_VINTR_MASK))
return !!(svm->vcpu.arch.hflags & HF_HIF_MASK);
@@ -3767,23 +3767,23 @@ static void svm_setup_mce(struct kvm_vcpu *vcpu)
vcpu->arch.mcg_cap &= 0x1ff;
}
-static int svm_smi_allowed(struct kvm_vcpu *vcpu)
+static bool svm_smi_allowed(struct kvm_vcpu *vcpu)
{
struct vcpu_svm *svm = to_svm(vcpu);
/* Per APM Vol.2 15.22.2 "Response to SMI" */
if (!gif_set(svm))
- return 0;
+ return false;
if (is_guest_mode(&svm->vcpu) &&
svm->nested.intercept & (1ULL << INTERCEPT_SMI)) {
/* TODO: Might need to set exit_info_1 and exit_info_2 here */
svm->vmcb->control.exit_code = SVM_EXIT_SMI;
svm->nested.exit_required = true;
- return 0;
+ return false;
}
- return 1;
+ return true;
}
static int svm_pre_enter_smm(struct kvm_vcpu *vcpu, char *smstate)