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cfg80211: Remove deprecated create_singlethread_workqueue

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The workqueue "cfg80211_wq" is involved in cleanup, scan and event related
works. It queues multiple work items &rdev->event_work,
&rdev->dfs_update_channels_wk,
&wiphy_to_rdev(request->wiphy)->scan_done_wk,
&wiphy_to_rdev(wiphy)->sched_scan_results_wk, which require strict
execution ordering.
Hence, an ordered dedicated workqueue has been used.

Since it's a wireless driver, WQ_MEM_RECLAIM has been set to ensure
forward progress under memory pressure.

Signed-off-by: Bhaktipriya Shridhar <bhaktipriya96@gmail.com>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Bhaktipriya Shridhar 2016-08-31 00:35:07 +05:30 committed by Johannes Berg
parent d82121845d
commit e481901384
1 changed files with 1 additions and 1 deletions
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2
net/wireless/core.c
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@ -1252,7 +1252,7 @@ static int __init cfg80211_init(void)
if (err)
goto out_fail_reg;
cfg80211_wq = create_singlethread_workqueue("cfg80211");
cfg80211_wq = alloc_ordered_workqueue("cfg80211", WQ_MEM_RECLAIM);
if (!cfg80211_wq) {
err = -ENOMEM;
goto out_fail_wq;