Re: videobuf mmap deadlock

2013-11-11 Thread Hans Verkuil
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 mmap

videobuf mmap deadlock

2013-11-01 Thread Pete Eberlein
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