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treewide: Introduce kthread_run_worker[_on_cpu]()

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kthread_create() creates a kthread without running it yet. kthread_run()
creates a kthread and runs it.

On the other hand, kthread_create_worker() creates a kthread worker and
runs it.

This difference in behaviours is confusing. Also there is no way to
create a kthread worker and affine it using kthread_bind_mask() or
kthread_affine_preferred() before starting it.

Consolidate the behaviours and introduce kthread_run_worker[_on_cpu]()
that behaves just like kthread_run(). kthread_create_worker[_on_cpu]()
will now only create a kthread worker without starting it.

Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
This commit is contained in:
Frederic Weisbecker
2024-09-27 00:49:07 +02:00
parent 41f70d8e16
commit b04e317b52
33 changed files with 83 additions and 66 deletions
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2
kernel/workqueue.c
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@@ -7828,7 +7828,7 @@ static void __init wq_cpu_intensive_thresh_init(void)
unsigned long thresh;
unsigned long bogo;
pwq_release_worker = kthread_create_worker(0, "pool_workqueue_release");
pwq_release_worker = kthread_run_worker(0, "pool_workqueue_release");
BUG_ON(IS_ERR(pwq_release_worker));
/* if the user set it to a specific value, keep it */