On Sat, Jun 04, 2016 at 07:29:01PM +0530, Bhaktipriya Shridhar wrote: > alloc_workqueue replaces deprecated create_workqueue(). > > In if_sdio.c, the workqueue card->workqueue has workitem > &card->packet_worker, which is mapped to if_sdio_host_to_card_worker. > The workitem is involved in sending packets to firmware. > Forward progress under memory pressure is a requirement here. > > In if_spi.c, the workqueue card->workqueue has workitem > &card->packet_worker, which is mapped to if_spi_host_to_card_worker. > The workitem is involved in sending command packets from the host. > Forward progress under memory pressure is a requirement here. > > Dedicated workqueues have been used in both cases since the workitems > on the workqueues are involved in normal device operation with > WQ_MEM_RECLAIM set to gurantee forward progress under memory pressure. > Since there are only a fixed number of work items, explicit concurrency > limit is unnecessary. > > flush_workqueue is unnecessary since destroy_workqueue() itself calls > drain_workqueue() which flushes repeatedly till the workqueue > becomes empty. Hence the calls to flush_workqueue() before > destroy_workqueue() have been dropped. > > Signed-off-by: Bhaktipriya Shridhar <bhaktipriya96@xxxxxxxxx> Acked-by: Tejun Heo <tj@xxxxxxxxxx> Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
