On 02/07/16 14:34, Tejun Heo wrote: > 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? It shouldn't be long-running. update() should only start the transfer to the display. Although if something is not right (the user sets the auto-update frequency to too high), the work could end up waiting for the previous update to finish... It's a debugging feature, so maybe that's not an issue. Tomi
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