@@ -10220,8 +10220,9 @@ int kvm_emulate_hypercall(struct kvm_vcpu *vcpu)
cpl = kvm_x86_call(get_cpl)(vcpu);
ret = __kvm_emulate_hypercall(vcpu, nr, a0, a1, a2, a3, op_64_bit, cpl);
- if (nr == KVM_HC_MAP_GPA_RANGE && !ret)
- /* MAP_GPA tosses the request to the user space. */
+ /* Check !ret first to make sure nr is a valid KVM hypercall. */
+ if (!ret && user_exit_on_hypercall(vcpu->kvm, nr))
+ /* The hypercall is requested to exit to userspace. */
return 0;
if (!op_64_bit)
@@ -561,4 +561,8 @@ int kvm_sev_es_string_io(struct kvm_vcpu *vcpu, unsigned int size,
unsigned int port, void *data, unsigned int count,
int in);
+static inline bool user_exit_on_hypercall(struct kvm *kvm, unsigned long hc_nr)
+{
+ return kvm->arch.hypercall_exit_enabled & BIT(hc_nr);
+}
#endif