struct kvm_vcpu *vcpu;
struct kvm_vm *vm = vm_create_with_one_vcpu(&vcpu, guest_code);
struct ucall uc;
+ int r, i;
vm_init_descriptor_tables(vm);
vcpu_init_descriptor_tables(vcpu);
ASSERT_EQ(vcpu_get_msr(vcpu, MSR_IA32_PERF_CAPABILITIES), host_cap.capabilities);
+ vcpu_set_msr(vcpu, MSR_IA32_PERF_CAPABILITIES, host_cap.capabilities);
+
+ r = _vcpu_set_msr(vcpu, MSR_IA32_PERF_CAPABILITIES, 0);
+ TEST_ASSERT(!r, "Post-KVM_RUN write '0' didn't fail");
+
+ for (i = 0; i < 64; i++) {
+ r = _vcpu_set_msr(vcpu, MSR_IA32_PERF_CAPABILITIES,
+ host_cap.capabilities ^ BIT_ULL(i));
+ TEST_ASSERT(!r, "Post-KVM_RUN write '0x%llx'didn't fail",
+ host_cap.capabilities ^ BIT_ULL(i));
+ }
+
kvm_vm_free(vm);
}