linux-kernel - Re: [PATCH] omapfb: omapfb-main: Remove deprecated create_singlethread

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Message-ID: <20160702113401.GD17431@htj.duckdns.org>
Date:	Sat, 2 Jul 2016 06:34:01 -0500
From:	Tejun Heo <tj@...nel.org>
To:	Bhaktipriya Shridhar <bhaktipriya96@...il.com>
Cc:	Tomi Valkeinen <tomi.valkeinen@...com>,
	Jean-Christophe Plagniol-Villard <plagnioj@...osoft.com>,
	Oleg Nesterov <oleg@...hat.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-omap@...r.kernel.org, linux-fbdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] omapfb: omapfb-main: Remove deprecated
 create_singlethread_workqueue

On Sat, Jul 02, 2016 at 02:00:56PM +0530, Bhaktipriya Shridhar wrote:
> The workqueue auto_update_work is involved in auto updating mode for
> manual-update displays. omapfb driver uses a delayed work item to update
> the display at a constant rate.
> 
> Since these long-running work items aren't involved in memory reclaim in
> any way, system_long_wq has been used.

Can you please explain why this is long-running?

Thanks.

-- 
tejun