Re: [Qemu-devel] [PATCH v2 23/24] numa: add '-numa cpu, ...' option for property based node mapping

[Eric Blake]

On 05/03/2017 11:35 AM, Eduardo Habkost wrote:

>> +
>> +        memset(&cpu, 0, sizeof(cpu));
>> +        cpu.has_node_id = object->u.cpu.has_node_id;
>> +        cpu.node_id = object->u.cpu.node_id;
>> +        cpu.has_socket_id = object->u.cpu.has_socket_id;
>> +        cpu.socket_id = object->u.cpu.socket_id;
>> +        cpu.has_core_id = object->u.cpu.has_core_id;
>> +        cpu.core_id = object->u.cpu.core_id;
>> +        cpu.has_thread_id = object->u.cpu.has_thread_id;
>> +        cpu.thread_id = object->u.cpu.thread_id;
> 
> We don't have a way to avoid copying each field individually?
> Some visitor trick, maybe?
> 
> Eric, Markus, Michael, do you have any suggestions?

Markus just added QAPI_CLONE_MEMBERS(), which sounds like what you want:

https://lists.gnu.org/archive/html/qemu-devel/2017-04/msg04867.html

-- 
Eric Blake, Principal Software Engineer
Red Hat, Inc.           +1-919-301-3266
Virtualization:  qemu.org | libvirt.org

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