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

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Message-ID: <20160831142602.GO12660@htj.duckdns.org>
Date:   Wed, 31 Aug 2016 10:26:02 -0400
From:   Tejun Heo <tj@...nel.org>
To:     Bhaktipriya Shridhar <bhaktipriya96@...il.com>
Cc:     Johannes Berg <johannes@...solutions.net>,
        "David S. Miller" <davem@...emloft.net>,
        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, Aug 31, 2016 at 12:35:07AM +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.
> 
> Signed-off-by: Bhaktipriya Shridhar <bhaktipriya96@...il.com>

Acked-by: Tejun Heo <tj@...nel.org>

Thanks.

-- 
tejun