It looks like you dropped Marc-André and my Reviewed-by lines.  Please put them 
back.

> On Nov 27, 2017, at 5:05 AM, Roman Kagan <rka...@virtuozzo.com> wrote:
> 
> Switch vmgenid device to use the UUID property type introduced in the
> previous patch for its 'guid' property.
> 
> One semantic change it introduces is that post-realize modification of
> 'guid' via HMP or QMP will now be rejected with an error; however,
> according to docs/specs/vmgenid.txt this is actually desirable.
> 
> Signed-off-by: Roman Kagan <rka...@virtuozzo.com>
> ---
> v1 -> v2:
> - use the corresponding define for "guid" field name
> 
> hw/acpi/vmgenid.c | 30 ++++++++----------------------
> 1 file changed, 8 insertions(+), 22 deletions(-)
> 
> diff --git a/hw/acpi/vmgenid.c b/hw/acpi/vmgenid.c
> index 105044f666..ba6f47b67b 100644
> --- a/hw/acpi/vmgenid.c
> +++ b/hw/acpi/vmgenid.c
> @@ -162,21 +162,6 @@ static void vmgenid_update_guest(VmGenIdState *vms)
>     }
> }
> 
> -static void vmgenid_set_guid(Object *obj, const char *value, Error **errp)
> -{
> -    VmGenIdState *vms = VMGENID(obj);
> -
> -    if (!strcmp(value, "auto")) {
> -        qemu_uuid_generate(&vms->guid);
> -    } else if (qemu_uuid_parse(value, &vms->guid) < 0) {
> -        error_setg(errp, "'%s. %s': Failed to parse GUID string: %s",
> -                   object_get_typename(OBJECT(vms)), VMGENID_GUID, value);
> -        return;
> -    }
> -
> -    vmgenid_update_guest(vms);
> -}
> -
> /* After restoring an image, we need to update the guest memory and notify
>  * it of a potential change to VM Generation ID
>  */
> @@ -224,23 +209,24 @@ static void vmgenid_realize(DeviceState *dev, Error 
> **errp)
>     }
> 
>     qemu_register_reset(vmgenid_handle_reset, vms);
> +
> +    vmgenid_update_guest(vms);
> }
> 
> +static Property vmgenid_device_properties[] = {
> +    DEFINE_PROP_UUID(VMGENID_GUID, VmGenIdState, guid),
> +    DEFINE_PROP_END_OF_LIST(),
> +};
> +
> static void vmgenid_device_class_init(ObjectClass *klass, void *data)
> {
>     DeviceClass *dc = DEVICE_CLASS(klass);
> 
>     dc->vmsd = &vmstate_vmgenid;
>     dc->realize = vmgenid_realize;
> +    dc->props = vmgenid_device_properties;
>     dc->hotpluggable = false;
>     set_bit(DEVICE_CATEGORY_MISC, dc->categories);
> -
> -    object_class_property_add_str(klass, VMGENID_GUID, NULL,
> -                                  vmgenid_set_guid, NULL);
> -    object_class_property_set_description(klass, VMGENID_GUID,
> -                                    "Set Global Unique Identifier "
> -                                    "(big-endian) or auto for random value",
> -                                    NULL);
> }
> 
> static const TypeInfo vmgenid_device_info = {
> -- 
> 2.14.3
> 

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