linux-kernel - [PATCH 0/4] workqueue: Destroy workers in idle_cull

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Message-Id: <20240621073225.3600-1-jiangshanlai@gmail.com>
Date: Fri, 21 Jun 2024 15:32:21 +0800
From: Lai Jiangshan <jiangshanlai@...il.com>
To: linux-kernel@...r.kernel.org
Cc: Lai Jiangshan <jiangshan.ljs@...group.com>,
	Tejun Heo <tj@...nel.org>,
	Valentin Schneider <vschneid@...hat.com>
Subject: [PATCH 0/4] workqueue: Destroy workers in idle_cull_fn().

From: Lai Jiangshan <jiangshan.ljs@...group.com>

After e02b93124855("workqueue: Unbind kworkers before sending them to
exit()"), the code to kick off the destruction of workers is now in a
process context (idle_cull_fn()), more destruction code can also be
moved to the said process context to simplify the destroying.

Cc: Tejun Heo <tj@...nel.org>
Cc: Valentin Schneider <vschneid@...hat.com>

Lai Jiangshan (4):
  workqueue: Reap workers via kthread_stop() and remove
    detach_completion
  workqueue: Don't bind the rescuer in the last working cpu
  workqueue: Detach workers directly in idle_cull_fn()
  workqueue: Remove useless pool->dying_workers

 kernel/workqueue.c | 87 +++++++++++++++++++++-------------------------
 1 file changed, 40 insertions(+), 47 deletions(-)

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2.19.1.6.gb485710b