linux-kernel - [GIT PULL] workqueue changes for v6.19

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Message-ID: <55446734eafe1a348f07d2e6c513f564@kernel.org>
Date: Mon, 01 Dec 2025 08:57:50 -1000
From: Tejun Heo <tj@...nel.org>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: linux-kernel@...r.kernel.org
Subject: [GIT PULL] workqueue changes for v6.19

Hi Linus,

The following changes since commit 17d85f33a83b84e7d36bc3356614ae06c90e7a08:

  Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma (2025-11-05 04:08:55 +0900)

are available in the Git repository at:

  https://git.kernel.org/pub/scm/linux/kernel/git/tj/wq.git tags/wq-for-6.19

for you to fetch changes up to 6d90215dc015f7630589b29fc2c771bce16a4c96:

  workqueue: Don't rely on wq->rescuer to stop rescuer (2025-11-21 09:45:36 -1000)

----------------------------------------------------------------
workqueue: Changes for v6.19

- Rescuer affinity management: Affinity now updated only when detached using
  wq_unbound_cpumask consistently. DISASSOCIATED workers also follow unbound
  cpumask changes to avoid breaking CPU isolation.

- Rescuer cleanups preparing for fetching work items one by one from pool list:
  Work assignment factored out, optimized to skip pwqs no longer needing
  rescue, and shutdown logic simplified.

- Unused assert_rcu_or_wq_mutex_or_pool_mutex() removed.

----------------------------------------------------------------
Lai Jiangshan (6):
      workqueue: Update the rescuer's affinity only when it is detached
      workqueue: Let DISASSOCIATED workers follow unbound wq cpumask changes
      workqueue: Init rescuer's affinities as wq_unbound_cpumask
      workqueue: Factor out assign_rescuer_work()
      workqueue: Only assign rescuer work when really needed
      workqueue: Don't rely on wq->rescuer to stop rescuer

zhang jiao (1):
      workqueue: Remove unused assert_rcu_or_wq_mutex_or_pool_mutex

 kernel/workqueue.c | 86 +++++++++++++++++++++++++++++++-----------------------
 1 file changed, 50 insertions(+), 36 deletions(-)

Thanks.
--
tejun