The names of supported CPU models instead of CPU types should be
printed when the user specified CPU type isn't supported, to be
consistent with the output from '-cpu ?'.

Correct the error messages to print CPU model names instead of CPU
type names.

Signed-off-by: Gavin Shan <gshan@redhat.com>
---
 hw/core/machine.c | 21 +++++++++++++++------
 1 file changed, 15 insertions(+), 6 deletions(-)

diff --git a/hw/core/machine.c b/hw/core/machine.c
index d19aec11a3..2cdebcffaf 100644
--- a/hw/core/machine.c
+++ b/hw/core/machine.c
@@ -1392,6 +1392,7 @@ static void is_cpu_type_supported(const MachineState *machine, Error **errp)
     MachineClass *mc = MACHINE_GET_CLASS(machine);
     ObjectClass *oc = object_class_by_name(machine->cpu_type);
     CPUClass *cc;
+    char *model;
     int i;
 
     /*
@@ -1408,17 +1409,25 @@ static void is_cpu_type_supported(const MachineState *machine, Error **errp)
 
         /* The user specified CPU type isn't valid */
         if (!mc->valid_cpu_types[i]) {
-            error_setg(errp, "Invalid CPU type: %s", machine->cpu_type);
+            model = cpu_model_from_type(machine->cpu_type);
+            g_assert(model != NULL);
+            error_setg(errp, "Invalid CPU type: %s", model);
+            g_free(model);
+
+            model = cpu_model_from_type(mc->valid_cpu_types[0]);
+            g_assert(model != NULL);
             if (!mc->valid_cpu_types[1]) {
-                error_append_hint(errp, "The only valid type is: %s",
-                                  mc->valid_cpu_types[0]);
+                error_append_hint(errp, "The only valid type is: %s", model);
             } else {
-                error_append_hint(errp, "The valid types are: %s",
-                                  mc->valid_cpu_types[0]);
+                error_append_hint(errp, "The valid types are: %s", model);
             }
+            g_free(model);
 
             for (i = 1; mc->valid_cpu_types[i]; i++) {
-                error_append_hint(errp, ", %s", mc->valid_cpu_types[i]);
+                model = cpu_model_from_type(mc->valid_cpu_types[i]);
+                g_assert(model != NULL);
+                error_append_hint(errp, ", %s", model);
+                g_free(model);
             }
 
             error_append_hint(errp, "\n");
-- 
2.41.0