diff options
| author | Alexandre Courbot <[email protected]> | 2017-04-25 03:19:43 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <[email protected]> | 2017-06-13 13:56:49 -0300 |
| commit | 17d716e9264c43f541eccbd5b7b11278b1fb65cb (patch) | |
| tree | 8991d3d9e0b925c9c21a7c6c116f34da753eb30e /tools/perf/scripts/python/bin/stackcollapse-report | |
| parent | 18726a349de262f5bf03fab73fc7c46e79e6c41e (diff) | |
[media] s5p-jpeg: fix recursive spinlock acquisition
v4l2_m2m_job_finish(), which is called from the interrupt handler with
slock acquired, can call the device_run() hook immediately if another
context was in the queue. This hook also acquires slock, resulting in
a deadlock for this scenario.
Fix this by releasing slock right before calling v4l2_m2m_job_finish().
This is safe to do as the state of the hardware cannot change before
v4l2_m2m_job_finish() is called anyway.
Signed-off-by: Alexandre Courbot <[email protected]>
Acked-by: Jacek Anaszewski <[email protected]>
Signed-off-by: Sylwester Nawrocki <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/bin/stackcollapse-report')
0 files changed, 0 insertions, 0 deletions