tree 057896b2b9749e0a380e088bf4a749fb3a59b2e4
parent 18eb3b6dff007f2e4ef4f0d8567dfb5cdb6086fc
parent 18c8ae813156a6855f026de80fffb91e1a28ab3d
author Linus Torvalds <torvalds@linux-foundation.org> 1687908772 -0700
committer Linus Torvalds <torvalds@linux-foundation.org> 1687908772 -0700
mergetag object 18c8ae813156a6855f026de80fffb91e1a28ab3d
 type commit
 tag wq-for-6.5
 tagger Tejun Heo <tj@kernel.org> 1687815838 -1000
 
 workqueue: Changes for v6.5
 
 * Concurrency-managed per-cpu work items that hog CPUs and delay the
   execution of other work items are now automatically detected and excluded
   from concurrency management. Reporting on such work items can also be
   enabled through a config option.
 
 * Added tools/workqueue/wq_monitor.py which improves visibility into
   workqueue usages and behaviors.
 
 * Includes Arnd's minimal fix for gcc-13 enum warning on 32bit compiles.
   This conflicts with afa4bb778e48 ("workqueue: clean up WORK_* constant
   types, clarify masking") in master. Can be resolved by picking the master
   version.
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Merge tag 'wq-for-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq

Pull workqueue updates from Tejun Heo:

 - Concurrency-managed per-cpu work items that hog CPUs and delay the
   execution of other work items are now automatically detected and
   excluded from concurrency management. Reporting on such work items
   can also be enabled through a config option.

 - Added tools/workqueue/wq_monitor.py which improves visibility into
   workqueue usages and behaviors.

 - Arnd's minimal fix for gcc-13 enum warning on 32bit compiles,
   superseded by commit afa4bb778e48 in mainline.

* tag 'wq-for-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq:
  workqueue: Disable per-cpu CPU hog detection when wq_cpu_intensive_thresh_us is 0
  workqueue: Fix WARN_ON_ONCE() triggers in worker_enter_idle()
  workqueue: fix enum type for gcc-13
  workqueue: Track and monitor per-workqueue CPU time usage
  workqueue: Report work funcs that trigger automatic CPU_INTENSIVE mechanism
  workqueue: Automatically mark CPU-hogging work items CPU_INTENSIVE
  workqueue: Improve locking rule description for worker fields
  workqueue: Move worker_set/clr_flags() upwards
  workqueue: Re-order struct worker fields
  workqueue: Add pwq->stats[] and a monitoring script
  Further upgrade queue_work_on() comment