RFC: drm/xe/guc: Annotate guc_engine_timedout_job()

Annotate the dma-fence signalling critical path of guc_engine_timedout_job(). Currently exclude drm_sched_run_wq_stop(), since it warns for inversion when flushing. This might need to be revisited to ensure it's really safe to do so.

Signed-off-by: Thomas Hellström thomas.hellstrom@linux.intel.com