On Thu, Jun 7, 2012 at 10:52 AM, Maarten Lankhorst <m.b.lankhorst at gmail.com> wrote: > I do agree you need some way to synch userspace though, but I > think adding a new api for userspace is not the way to go.
I'm not sure I understand how you propose to expose the functionality to userspace in a way that does not depend on the driver that "owns" the buffer w/o adding an API. -Erik
