Alex Waterman 91d977ced4 gpu: nvgpu: Misc fixes for crashes on shutdown ...

Fix miscellaneous issues seen during driver shutdown.

 o  Make sure pointers are valid before accessing them.
 o  Busy the GPU during channel timeout.
 o  Cancel delayed work on channels.
 o  Avoid access to channels that may have been freed.

Bug 1816516
Bug 1807277

Change-Id: I62df40373fdfb1c4a011364e8c435176a08a7a96
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: http://git-master/r/1250026
(cherry picked from commit 64a95fc96c8ef7c5af9c53c4bb3402626e0d2f60)
Reviewed-on: http://git-master/r/1274474
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>

2017-01-04 15:53:55 -08:00

132 KiB

Raw Blame History

View Raw