KVM: selftests: make hyperv_cpuid test pass on AMD

Enlightened VMCS is only supported on Intel CPUs but the test shouldn't
fail completely.

Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

diff --git a/tools/testing/selftests/kvm/x86_64/hyperv_cpuid.c b/tools/testing/selftests/kvm/x86_64/hyperv_cpuid.c
index 264425f..9a21e91 100644 (file)
--- a/tools/testing/selftests/kvm/x86_64/hyperv_cpuid.c
+++ b/tools/testing/selftests/kvm/x86_64/hyperv_cpuid.c
@@ -141,7 +141,13 @@ int main(int argc, char *argv[])
 
        free(hv_cpuid_entries);
 
-       vcpu_ioctl(vm, VCPU_ID, KVM_ENABLE_CAP, &enable_evmcs_cap);
+       rv = _vcpu_ioctl(vm, VCPU_ID, KVM_ENABLE_CAP, &enable_evmcs_cap);
+
+       if (rv) {
+               fprintf(stderr,
+                       "Enlightened VMCS is unsupported, skip related test\n");
+               goto vm_free;
+       }
 
        hv_cpuid_entries = kvm_get_supported_hv_cpuid(vm);
        if (!hv_cpuid_entries)
@@ -151,6 +157,7 @@ int main(int argc, char *argv[])
 
        free(hv_cpuid_entries);
 
+vm_free:
        kvm_vm_free(vm);
 
        return 0;