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Re: [PATCH] drm/radeon: Remove deprecated create_singlethread_workqueue

From Michel Dänzer <michel@daenzer.net>
Newsgroups linux.kernel
Subject Re: [PATCH] drm/radeon: Remove deprecated create_singlethread_workqueue
Date 2016-07-04 06:00 +0200
Message-ID <rR3d7-zy-5@gated-at.bofh.it> (permalink)
References <rQqY9-2RL-5@gated-at.bofh.it> <rQtt0-4cj-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On 02.07.2016 22:46, Tejun Heo wrote:
> On Sat, Jul 02, 2016 at 04:33:50PM +0530, Bhaktipriya Shridhar wrote:
>> alloc_workqueue replaces deprecated create_singlethread_workqueue().
>>
>> A dedicated workqueue has been used since work items need to be flushed
>> as a group rather than individually.
>>
>> Since the flip_queue workqueue is involved in page-flipping and is not
>> being used on a memory reclaim path, WQ_MEM_RECLAIM has not been set.
>>
>> Since there are only a fixed number of work items, explicit concurrency
>> limit is unnecessary here.
> 
> What are the involved work items?

drivers/gpu/drm/radeon/radeon_display.c:radeon_flip_work_func()


> Is it safe to run them concurrently?

Concurrently with what exactly?


-- 
Earthling Michel Dänzer               |               http://www.amd.com
Libre software enthusiast             |             Mesa and X developer

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[PATCH] drm/radeon: Remove deprecated create_singlethread_workqueue Bhaktipriya Shridhar <bhaktipriya96@gmail.com> - 2016-07-02 13:10 +0200
  Re: [PATCH] drm/radeon: Remove deprecated  create_singlethread_workqueue Tejun Heo <tj@kernel.org> - 2016-07-02 15:50 +0200
    Re: [PATCH] drm/radeon: Remove deprecated  create_singlethread_workqueue Michel Dänzer <michel@daenzer.net> - 2016-07-04 06:00 +0200
      Re: [PATCH] drm/radeon: Remove deprecated  create_singlethread_workqueue Tejun Heo <tj@kernel.org> - 2016-07-05 23:10 +0200
        Re: [PATCH] drm/radeon: Remove deprecated  create_singlethread_workqueue Michel Dänzer <michel@daenzer.net> - 2016-07-06 05:20 +0200
          Re: [PATCH] drm/radeon: Remove deprecated  create_singlethread_workqueue Tejun Heo <tj@kernel.org> - 2016-07-06 15:50 +0200
            Re: [PATCH] drm/radeon: Remove deprecated  create_singlethread_workqueue Michel Dänzer <michel@daenzer.net> - 2016-07-07 06:20 +0200
              Re: [PATCH] drm/radeon: Remove deprecated  create_singlethread_workqueue Michel Dänzer <michel@daenzer.net> - 2016-07-08 08:00 +0200

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