[Qemu-devel] Re: [PATCH 1/7] Add support for generic notifier lists (v2)

[Juan Quintela]

Anthony Liguori <address@hidden> wrote:
> Notifiers are data-less callbacks and a notifier list is a list of registered
> notifiers that all are interested in a particular event.
>
> We'll use this in a few patches to implement mouse change notification.

We could use that for migration also.

spice just needs to have start/end migration happening.  And block
migration added a new callback that is basically call this on start.

Later, Juan.