Return-path: Received: from s3.sipsolutions.net ([5.9.151.49]:57247 "EHLO sipsolutions.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754119AbcILJVq (ORCPT ); Mon, 12 Sep 2016 05:21:46 -0400 Message-ID: <1473672100.4201.15.camel@sipsolutions.net> (sfid-20160912_112205_585248_C88B8AB3) Subject: Re: [PATCH v2] cfg80211: Remove deprecated create_singlethread_workqueue From: Johannes Berg To: Bhaktipriya Shridhar , "David S. Miller" Cc: Tejun Heo , linux-wireless@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Date: Mon, 12 Sep 2016 11:21:40 +0200 In-Reply-To: <20160830190507.GA11493@Karyakshetra> (sfid-20160830_210511_814586_97B3779A) References: <20160830190507.GA11493@Karyakshetra> (sfid-20160830_210511_814586_97B3779A) Content-Type: text/plain; charset="UTF-8" Mime-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org List-ID: 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