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Message-ID: <20160604145139.GA31437@Karyakshetra> Date: Sat, 4 Jun 2016 20:21:40 +0530 From: Bhaktipriya Shridhar <bhaktipriya96@...il.com> To: Derek Chickles <derek.chickles@...iumnetworks.com>, Satanand Burla <satananda.burla@...iumnetworks.com>, Felix Manlunas <felix.manlunas@...iumnetworks.com>, Raghu Vatsavayi <raghu.vatsavayi@...iumnetworks.com> Cc: Tejun Heo <tj@...nel.org>, netdev@...r.kernel.org, linux-kernel@...r.kernel.org Subject: [PATCH] net: ethernet: cavium: liquidio: response_manager: Remove create_workqueue alloc_workqueue replaces deprecated create_workqueue(). A dedicated workqueue has been used since the workitem viz (&cwq->wk.work which maps to oct_poll_req_completion) is involved in normal device operation. WQ_MEM_RECLAIM has been set to guarantee forward progress under memory pressure, which is a requirement here. 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 call to flush_workqueue() has been dropped. Signed-off-by: Bhaktipriya Shridhar <bhaktipriya96@...il.com> --- drivers/net/ethernet/cavium/liquidio/response_manager.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/net/ethernet/cavium/liquidio/response_manager.c b/drivers/net/ethernet/cavium/liquidio/response_manager.c index 091f537..6287a7c 100644 --- a/drivers/net/ethernet/cavium/liquidio/response_manager.c +++ b/drivers/net/ethernet/cavium/liquidio/response_manager.c @@ -55,7 +55,7 @@ int octeon_setup_response_list(struct octeon_device *oct) atomic_set(&oct->response_list[i].pending_req_count, 0); } - oct->dma_comp_wq.wq = create_workqueue("dma-comp"); + oct->dma_comp_wq.wq = alloc_workqueue("dma-comp", WQ_MEM_RECLAIM, 0); if (!oct->dma_comp_wq.wq) { dev_err(&oct->pci_dev->dev, "failed to create wq thread\n"); return -ENOMEM; @@ -72,7 +72,6 @@ int octeon_setup_response_list(struct octeon_device *oct) void octeon_delete_response_list(struct octeon_device *oct) { cancel_delayed_work_sync(&oct->dma_comp_wq.wk.work); - flush_workqueue(oct->dma_comp_wq.wq); destroy_workqueue(oct->dma_comp_wq.wq); } -- 2.1.4
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