Re: sysbus_create_simple Vs qdev_create

[Paolo Bonzini]

On 29/07/20 16:32, Eduardo Habkost wrote:
> On Wed, Jul 29, 2020 at 11:54:35AM +0200, Paolo Bonzini wrote:
>> On 29/07/20 00:47, Eduardo Habkost wrote:
> [...]
>>> Do we really need need QOM children to be accessible using the QOM
>>> property API?
>>>
>>> Using the same code for both user-configurable properties and for
>>> the list of children of a QOM object might have saved some time
>>> years ago, but I'm not sure this is still a necessary or useful
>>> abstraction.
>>
>> The main thing we get from it is that the QOM paths treat children and
>> links the same, and links are properties.  To be honest it's not a
>> feature that is very much developed, so perhaps we can remove it but we
>> need to evaluate the impact of losing it.
> 
> Are link properties usable by -device/device_add/-object/object-add?

Not sure exactly what you mean, but there is DEFINE_PROP_LINK and it's
used to link devices to objects.  Is it ever used with an actual path
rather than just the id of something in /objects?  Probably not.

Paolo