Re: [Qemu-devel] [PATCH for-next v2 01/22] object: Add OBJECT_GET_PARENT_CLASS() macro

["Andreas Färber" <afaerber@suse.de>]

Am 06.08.2013 07:54, schrieb Alexey Kardashevskiy:
> On 08/01/2013 12:17 PM, Andreas Färber wrote:
>> The object argument is currently unused and may be used to optimize the
>> class lookup when needed.
>>
>> Inspired-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
>> Signed-off-by: Andreas Färber <afaerber@suse.de>
>> ---
>>  include/qom/object.h | 10 ++++++++++
>>  1 file changed, 10 insertions(+)
>>
>> diff --git a/include/qom/object.h b/include/qom/object.h
>> index 23fc048..a8e71dc 100644
>> --- a/include/qom/object.h
>> +++ b/include/qom/object.h
>> @@ -511,6 +511,16 @@ struct TypeInfo
>>      OBJECT_CLASS_CHECK(class, object_get_class(OBJECT(obj)), name)
>>  
>>  /**
>> + * OBJECT_GET_PARENT_CLASS:
>> + * @obj: The object to obtain the parent class for.
>> + * @name: The QOM typename of @obj.
>> + *
>> + * Returns the parent class for a given object of a specific class.
>> + */
>> +#define OBJECT_GET_PARENT_CLASS(obj, name) \
>> +    object_class_get_parent(object_class_by_name(name))
>> +
>> +/**
>>   * InterfaceInfo:
>>   * @type: The name of the interface.
>>   *
>>
> 
> Has anyone ever tried to use this macro?

Since you're asking me, obviously later in this virtio series it's used
and in the IndustryPack series as well.

I'm not aware of anyone else having used it yet - I'm still waiting for
review feedback from Peter Cr. and/or Anthony (or you!) before I put it
on qom-next.

Andreas

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