Messages in this thread | | | Date | Thu, 8 Feb 2024 14:33:50 -0500 | Subject | Re: [PATCH wq/for-6.9 v5 0/4] workqueue: Enable unbound cpumask update on ordered workqueues | From | Waiman Long <> |
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On 2/8/24 14:26, Tejun Heo wrote: > On Thu, Feb 08, 2024 at 11:10:10AM -0500, Waiman Long wrote: >> v5: >> - [v4] https://lore.kernel.org/lkml/20240207011911.975608-1-longman@redhat.com/ >> - Streamline patch 2 by simplifying unplug_oldest_pwq() and calling it >> only in pwq_release_workfn(). >> >> v4: >> - [v3] https://lore.kernel.org/lkml/20240205194602.871505-1-longman@redhat.com/ >> - Rebase on the latest for-6.9 branch again & discard the use of >> __WQ_ORDERED_EXPLICIT and resetting of __WQ_ORDERED. >> - Add a new patch 1 to change the ordering of pwq's in wq->pwqs from >> oldest to newest. >> - Change the terminalogy from freeze/thaw to plug/unplug. >> - Allow more than 2 pwq's in wq->pwqs of ordered workqueue but only the >> oldest one is unplugged. This eliminates the need to wait for >> the draining of extra pwq in workqueue_apply_unbound_cpumask(). >> >> v3: >> - [v2] https://lore.kernel.org/lkml/20240203154334.791910-1-longman@redhat.com/ >> - Drop patch 1 as it has been merged into the for-6.9 branch. >> - Use rcu_access_pointer() to access wq->dfl_pwq. >> - Use RCU protection instead of acquiring wq->mutex in >> apply_wqattrs_cleanup(). > Applied the series w/ (w/ the updated second patch) to wq/for-6.9. > > Thanks for working on this. It's really great that this got solved finally.
Me too. Thanks for all the good suggestions that you had given me as I don't have a full understanding of all the different pieces of the workqueue code.
Cheers, Longman
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