On Thu, 2013-04-04 at 15:31 +0200, Daniel Vetter wrote: > Another big reason for having a start/end marker like you've describe > is > lockdep support.
Yeah, I saw how you did that.. but there's other ways of making it work too, you could for instance create a new validation state for this type of lock. That said, I didn't consider lockdep too much, I first want the regular semantics clear.