Deepak Nibade cd09ac26c7
gpu: nvgpu: move resetup_ramfc() out of sync_lock ...
We currently have this sequence :
- acquire sync_lock
- sync_create
- resetup_ramfc()
- release sync_lock
but this can lead to deadlock in case resetup_ramfc()
triggers below stack :
- resetup_ramfc()
- channel_preempt() - preemption fails
- trigger recovery
- channel_abort()
- acquire sync_lock
Fix this by moving resetup_ramfc() out of sync_lock.
resetup_ramfc() is still protected by submit_lock and
hence we cannot free sync after allocation and
before resetup
Bug 200165811
Change-Id: Iebf74d950d6f6902b6d180c2cd8cd2d50493062c
Signed-off-by: Deepak Nibade <dnibade@nvidia.com >
Reviewed-on: http://git-master/r/931726
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com >
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com >
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cd09ac26c7