When the sched thread is parked we assume ring_mirror_list is not accessed from here. Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@xxxxxxx> Reviewed-by: Christian König <christian.koenig@xxxxxxx> --- drivers/gpu/drm/scheduler/sched_main.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/scheduler/sched_main.c b/drivers/gpu/drm/scheduler/sched_main.c index d4cc728..6774955 100644 --- a/drivers/gpu/drm/scheduler/sched_main.c +++ b/drivers/gpu/drm/scheduler/sched_main.c @@ -635,9 +635,13 @@ drm_sched_get_cleanup_job(struct drm_gpu_scheduler *sched) struct drm_sched_job *job; unsigned long flags; - /* Don't destroy jobs while the timeout worker is running */ - if (sched->timeout != MAX_SCHEDULE_TIMEOUT && - !cancel_delayed_work(&sched->work_tdr)) + /* + * Don't destroy jobs while the timeout worker is running OR thread + * is being parked and hence assumed to not touch ring_mirror_list + */ + if ((sched->timeout != MAX_SCHEDULE_TIMEOUT && + !cancel_delayed_work(&sched->work_tdr)) || + __kthread_should_park(sched->thread)) return NULL; spin_lock_irqsave(&sched->job_list_lock, flags); -- 2.7.4 _______________________________________________ amd-gfx mailing list amd-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/amd-gfx
