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 the queue lock, using an mmap_lock internal to videobuf2. > > The omap3isp driver still calls the mmap operation with the queue lock > held, resulting in a potential deadlock. As the operation can now be > called without locking the queue, fix it. > > Signed-off-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> Acked-by: Sakari Ailus <sakari.ailus@xxxxxx> -- Sakari Ailus e-mail: sakari.ailus@xxxxxx XMPP: sailus@xxxxxxxxxxxxxx -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
