target-i386: Don't change x86_def_t struct on cpu_x86_register()

As eventually the x86_def_t data is going to be provided by the CPU
class, it's better to not touch it, and handle the special cases on the
X86CPU object itself.

Current behavior of the code should stay exactly the same.

Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

target-i386/cpu.c

@@ -1841,11 +1841,6 @@ static void cpu_x86_register(X86CPU *cpu, const char *name, Error **errp)
         return;
     }
 
-    if (kvm_enabled()) {
-        def->features[FEAT_KVM] |= kvm_default_features;
-    }
-    def->features[FEAT_1_ECX] |= CPUID_EXT_HYPERVISOR;
-
     object_property_set_str(OBJECT(cpu), def->vendor, "vendor", errp);
     object_property_set_int(OBJECT(cpu), def->level, "level", errp);
     object_property_set_int(OBJECT(cpu), def->family, "family", errp);
@@ -1864,6 +1859,12 @@ static void cpu_x86_register(X86CPU *cpu, const char *name, Error **errp)
     cpu->cache_info_passthrough = def->cache_info_passthrough;
 
     object_property_set_str(OBJECT(cpu), def->model_id, "model-id", errp);
+
+    /* Special cases not set in the x86_def_t structs: */
+    if (kvm_enabled()) {
+        env->features[FEAT_KVM] |= kvm_default_features;
+    }
+    env->features[FEAT_1_ECX] |= CPUID_EXT_HYPERVISOR;
 }
 
 X86CPU *cpu_x86_create(const char *cpu_model, DeviceState *icc_bridge,