Re: [PATCH] acpi: thermal: Remove create_workqueue
From: Rafael J. Wysocki
Date: Wed Jun 22 2016 - 20:32:45 EST
On Tuesday, June 07, 2016 09:13:51 AM Tejun Heo wrote:
> On Tue, Jun 07, 2016 at 08:45:40AM +0530, Bhaktipriya Shridhar wrote:
> > alloc_workqueue replaces deprecated create_workqueue().
> >
> > A dedicated workqueue has been used since the workqueue
> > acpi_thermal_pm_queue with workitem &tz->thermal_check_work
> > (maps to acpi_thermal_check_fn), is involved in thermal zone polling.
> > Wallclock time is actually important and getting delayed in handling
> > critical temperature event can actually lead to unnecessary hardware
> > damage. So while this is not used during memory reclaim, we still want
> > forward progress guarantee and be generally snappy in servicing it.
> > Hence, WQ_MEM_RECLAIM and WQ_HIGHPRI have been used here.
> >
> > Since there are only a fixed number of work items, explicit concurrency
> > limit is unnecessary here.
> >
> > Signed-off-by: Bhaktipriya Shridhar <bhaktipriya96@xxxxxxxxx>
>
> Acked-by: Tejun Heo <tj@xxxxxxxxxx>
Patch applied, thanks!