linux-kernel - [GIT PULL] workqueue changes for v5.15-rc1

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Date:   Tue, 31 Aug 2021 06:50:55 -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 v5.15-rc1

Hello, Linus.

There is a long-standing subtle destroy_workqueue() bug where a workqueue
can be destroyed while internal work items used for flushing are still in
flight. Lai fixed it by assigning a flush color to the internal work items
so that they are correctly waited for during destruction.

Other than that, all are minor cleanups.

Thanks.

The following changes since commit 7e96bf476270aecea66740a083e51b38c1371cd2:

  Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm (2021-07-29 09:42:09 -0700)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq.git for-5.15

for you to fetch changes up to bdb0a6548d2233dada752109a71bcf4c9b8ae6d6:

  workqueue: Remove unused WORK_NO_COLOR (2021-08-17 07:49:10 -1000)

----------------------------------------------------------------
Cai Huoqing (1):
      workqueue: Fix typo in comments

Lai Jiangshan (6):
      workqueue: Rename "delayed" (delayed by active management) to "inactive"
      workqueue: Change arguement of pwq_dec_nr_in_flight()
      workqueue: Change the code of calculating work_flags in insert_wq_barrier()
      workqueue: Mark barrier work with WORK_STRUCT_INACTIVE
      workqueue: Assign a color to barrier work items
      workqueue: Remove unused WORK_NO_COLOR

Sebastian Andrzej Siewior (1):
      workqueue: Replace deprecated CPU-hotplug functions.

Zhen Lei (2):
      workqueue: Fix possible memory leaks in wq_numa_init()
      workqueue: Replace deprecated ida_simple_*() with ida_alloc()/ida_free()

 include/linux/workqueue.h   |  15 ++--
 kernel/workqueue.c          | 186 ++++++++++++++++++++++++++------------------
 kernel/workqueue_internal.h |   3 +-
 3 files changed, 116 insertions(+), 88 deletions(-)

-- 
tejun