linux-kernel - Re: [PATCH v2] cfg80211: Remove deprecated create_singlethread

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Date:   Mon, 12 Sep 2016 11:21:40 +0200
From:   Johannes Berg <johannes@...solutions.net>
To:     Bhaktipriya Shridhar <bhaktipriya96@...il.com>,
        "David S. Miller" <davem@...emloft.net>
Cc:     Tejun Heo <tj@...nel.org>, linux-wireless@...r.kernel.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] cfg80211: Remove deprecated
 create_singlethread_workqueue

On Wed, 2016-08-31 at 00:35 +0530, Bhaktipriya Shridhar wrote:
> 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.
> 

Applied, thanks.

johannes