Re: [Qemu-devel] [PATCH 1/8] qapi: fix NULL pointer dereference

[Paolo Bonzini]

On 12/16/2011 04:23 PM, Anthony Liguori wrote:
> Ok.  I think nullable strings are not a good idea simply because it
> means that a property can have a state that cannot be set.

How is this different from NULL links?  (Honest, not trick question :)).

> Long term, I want to be able to do something like dump the current
> device graph to a config file, and then use that config file to recreate
> the same machine again.  A nullable property without a null
> representation would not allow this.

JSON null is such a representation.

Paolo