It fixed vgpu regression that vgpu tried to call native channel preemption function. Bug 1617046 Change-Id: Ia5a5486d8b95a34ca6ecc75f8d3b5fea76919405 Signed-off-by: Richard Zhao <rizhao@nvidia.com> Reviewed-on: http://git-master/r/935897 Tested-by: Damian Halas <dhalas@nvidia.com> Reviewed-by: Deepak Nibade <dnibade@nvidia.com> GVS: Gerrit_Virtual_Submit Reviewed-by: Vladislav Buzov <vbuzov@nvidia.com>