Re: [Qemu-devel] [PATCH 1/2] object: Add can_be_deleted callback to TypeInfo and TypeImpl

[Lin Ma]

在 2015年03月23日 20:06, Paolo Bonzini 写道:
> On 23/03/2015 11:36, Peter Crosthwaite wrote:
> > I don't think TypeInfo is the right place for this. You can however
> > define function hooks for Object in ObjectClass. See the unparent
> > field of ObjectClass for a precedent.
> In this case, the right place could be UserCreatable.  Alternatively...
Well... Because I'm not familiar with qom very much, Let me dig more 
details about UserCreatable first :-)
> > But is a better way to do this to add error handling to
> > object_unparent API and override object_unparent for your device in
> > question to throw the error? Then your change doesn't have to be
> > limited to QMP.
> ... this is also a good choice.
>
> Paolo