Re: A false alarm for recursive lock in v4l2_ctrl_add_handler

2013-08-21 Thread Andy Walls
Su Jiaquan wrote: >Hi Hans, > >On Wed, Aug 21, 2013 at 7:47 PM, Hans Verkuil >wrote: >> On Wed 21 August 2013 12:56:21 Su Jiaquan wrote: >>> Hi Hans, >>> >>> Recently when we enable LOCKDEP in our kernel, it detected a >"possible >>> recursive locking". As we check the code, we found that it's ju

Re: A false alarm for recursive lock in v4l2_ctrl_add_handler

2013-08-21 Thread Su Jiaquan
Hi Hans, On Wed, Aug 21, 2013 at 7:47 PM, Hans Verkuil wrote: > On Wed 21 August 2013 12:56:21 Su Jiaquan wrote: >> Hi Hans, >> >> Recently when we enable LOCKDEP in our kernel, it detected a "possible >> recursive locking". As we check the code, we found that it's just a >> false alarm, the conc

Re: A false alarm for recursive lock in v4l2_ctrl_add_handler

2013-08-21 Thread Hans Verkuil
On Wed 21 August 2013 12:56:21 Su Jiaquan wrote: > Hi Hans, > > Recently when we enable LOCKDEP in our kernel, it detected a "possible > recursive locking". As we check the code, we found that it's just a > false alarm, the conceived scenario should never happen. Shell I > submit a patch to suppre

A false alarm for recursive lock in v4l2_ctrl_add_handler

2013-08-21 Thread Su Jiaquan
Hi Hans, Recently when we enable LOCKDEP in our kernel, it detected a "possible recursive locking". As we check the code, we found that it's just a false alarm, the conceived scenario should never happen. Shell I submit a patch to suppress it? [5.438446] c0 1 (swapper/0) =