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Groups > linux.kernel > #1429362
| From | "Rafael J. Wysocki" <rjw@rjwysocki.net> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH] acpi: thermal: Remove create_workqueue |
| Date | 2016-06-23 02:40 +0200 |
| Message-ID | <rN0Qx-2iS-1@gated-at.bofh.it> (permalink) |
| References | <rHfIC-5zJ-9@gated-at.bofh.it> <rHq1k-3KB-33@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
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@gmail.com> > > Acked-by: Tejun Heo <tj@kernel.org> Patch applied, thanks!
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Re: [PATCH] acpi: thermal: Remove create_workqueue "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2016-06-23 02:40 +0200
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