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989f7f70c3
fecs_trace.disable() method kills polling thread and waits until it completes. dev->lock must not be held while calling this function, as polling thread may attempt to acquire it, leading to a deadlock. Also fixed potential deadlock in ioctl to disable trace. Bug 1758405 Change-Id: I8f6baaba8093ce92961413f6152ee8b81beca3e4 Signed-off-by: Thomas Fleury <tfleury@nvidia.com> Reviewed-on: http://git-master/r/1139296 (cherry picked from commit 3391a911e1fa9170a5aa989c81bcba6a2f79a9d4) Reviewed-on: http://git-master/r/1150047 Reviewed-by: Automatic_Commit_Validation_User Reviewed-by: Richard Zhao <rizhao@nvidia.com> GVS: Gerrit_Virtual_Submit Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>