On 28/06/2017 14:48, Fam Zheng wrote: > > It's implemented by creating a wrapper property that basically forwards > operations to a QOM "link-FOO" property, which handles the check > callback and flags. The feature that is missing from QOM is the dynamic > child pointer which is done in the added code with the usual "offset" > approach.
Would it be possible to add a ".create" field to PropertyInfo? Then there's no need to introduce the wrapper. Also, I think _check and _flags can be always qdev_prop_allow_set_link_before_realize and OBJ_PROP_LINK_UNREF_ON_RELEASE for DEFINE_PROP_LINK. Paolo
