On Fri, Mar 13, 2015 at 02:33:35AM +0200, Laurent Pinchart wrote:
> videobuf2 has long been subject to AB-BA style deadlocks due to the
> queue lock and mmap_sem being taken in different orders for the mmap
> operation. The problem has been fixed by making this operation callable
> without taking t
videobuf2 has long been subject to AB-BA style deadlocks due to the
queue lock and mmap_sem being taken in different orders for the mmap
operation. The problem has been fixed by making this operation callable
without taking the queue lock, using an mmap_lock internal to videobuf2.
The omap3isp dri
