On Sat, Jul 02, 2016 at 01:55:40PM +0530, Bhaktipriya Shridhar wrote: > The workqueue "workqueue" has only a single workitem(&ddata->ulps_work) > and hence doesn't require ordering. Also, it is not being used on a > memory reclaim path. Hence, the singlethreaded workqueue has been > replaced with the use of system_wq. > > System workqueues have been able to handle high level of concurrency > for a long time now and hence it's not required to have a singlethreaded > workqueue just to gain concurrency. Unlike a dedicated per-cpu workqueue > created with create_singlethread_workqueue(), system_wq allows multiple > work items to overlap executions even on the same CPU; however, a > per-cpu workqueue doesn't have any CPU locality or global ordering > guarantee unless the target CPU is explicitly specified and thus the > increase of local concurrency shouldn't make any difference. > > dsicm_remove() calls dsicm_cancel_ulps_work which uses > cancel_delayed_work() to ensure that there are no pending tasks while > disconnecting the driver. > > Signed-off-by: Bhaktipriya Shridhar <bhaktipriya96@xxxxxxxxx> Looks good. Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
