Hi Pete,
On 11/01/2013 07:54 PM, Pete Eberlein wrote:
> The patch "videobuf_vm_{open,close} race fixes"
> https://linuxtv.org/patch/18365/ introduced a deadlock in 3.11.
>
> My driver uses videobuf_vmalloc initialized with ext_lock set to NULL.
Which driver are we talking about?
> My driver's
The patch "videobuf_vm_{open,close} race fixes"
https://linuxtv.org/patch/18365/ introduced a deadlock in 3.11.
My driver uses videobuf_vmalloc initialized with ext_lock set to NULL.
My driver's mmap function calls videobuf_mmap_mapper
videobuf_mmap_mapper calls videobuf_queue_lock on q
videobuf