From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: [PATCH v2] cfg80211: Remove deprecated create_singlethread_workqueue Date: Wed, 31 Aug 2016 10:26:02 -0400 Message-ID: <20160831142602.GO12660@htj.duckdns.org> References: <20160830190507.GA11493@Karyakshetra> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Johannes Berg , "David S. Miller" , linux-wireless-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Bhaktipriya Shridhar Return-path: Content-Disposition: inline In-Reply-To: <20160830190507.GA11493@Karyakshetra> Sender: linux-wireless-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: netdev.vger.kernel.org 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 Acked-by: Tejun Heo Thanks. -- tejun