linux/Documentation/driver-api/driver-model
Linus Torvalds 7de6b4a246 workqueue: Changes for v7.1
- New default WQ_AFFN_CACHE_SHARD affinity scope subdivides LLCs into
   smaller shards to improve scalability on machines with many CPUs per
   LLC.
 
 - Misc: system_dfl_long_wq for long unbound works, devm_alloc_workqueue()
   for device-managed allocation, sysfs exposure for ordered workqueues and
   the EFI workqueue, removal of HK_TYPE_WQ from wq_unbound_cpumask, and
   various small fixes.
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Merge tag 'wq-for-7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq

Pull workqueue updates from Tejun Heo:

 - New default WQ_AFFN_CACHE_SHARD affinity scope subdivides LLCs into
   smaller shards to improve scalability on machines with many CPUs per
   LLC

 - Misc:
    - system_dfl_long_wq for long unbound works
    - devm_alloc_workqueue() for device-managed allocation
    - sysfs exposure for ordered workqueues and the EFI workqueue
    - removal of HK_TYPE_WQ from wq_unbound_cpumask
    - various small fixes

* tag 'wq-for-7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq: (21 commits)
  workqueue: validate cpumask_first() result in llc_populate_cpu_shard_id()
  workqueue: use NR_STD_WORKER_POOLS instead of hardcoded value
  workqueue: avoid unguarded 64-bit division
  docs: workqueue: document WQ_AFFN_CACHE_SHARD affinity scope
  workqueue: add test_workqueue benchmark module
  tools/workqueue: add CACHE_SHARD support to wq_dump.py
  workqueue: set WQ_AFFN_CACHE_SHARD as the default affinity scope
  workqueue: add WQ_AFFN_CACHE_SHARD affinity scope
  workqueue: fix typo in WQ_AFFN_SMT comment
  workqueue: Remove HK_TYPE_WQ from affecting wq_unbound_cpumask
  workqueue: unlink pwqs from wq->pwqs list in alloc_and_link_pwqs() error path
  workqueue: Remove NULL wq WARN in __queue_delayed_work()
  workqueue: fix parse_affn_scope() prefix matching bug
  workqueue: devres: Add device-managed allocate workqueue
  workqueue: Add system_dfl_long_wq for long unbound works
  tools/workqueue/wq_dump.py: add NODE prefix to all node columns
  tools/workqueue/wq_dump.py: fix column alignment in node_nr/max_active section
  tools/workqueue/wq_dump.py: remove backslash separator from node_nr/max_active header
  efi: Allow to expose the workqueue via sysfs
  workqueue: Allow to expose ordered workqueues via sysfs
  ...
2026-04-15 10:32:08 -07:00
..
binding.rst docs: driver-model: document driver_override 2026-03-17 20:30:57 +01:00
bus.rst driver core: bus: mark the struct bus_type for sysfs callbacks as constant 2023-03-23 13:20:40 +01:00
design-patterns.rst docs: Update documentation to avoid mentioning of kernel.h 2025-12-22 14:59:18 -07:00
device.rst docs: driver-model: device: Add ATTRIBUTE_GROUPS() example 2021-03-08 17:06:56 -07:00
devres.rst workqueue: devres: Add device-managed allocate workqueue 2026-03-10 07:03:39 -10:00
driver.rst docs: driver-model: remove a duplicated markup at driver.rst 2020-06-26 10:01:24 -06:00
index.rst Documentation: use a source-read extension for the index link boilerplate 2026-01-23 11:59:34 -07:00
overview.rst docs: driver-api: fix spelling of "buses". 2025-09-18 10:40:46 -06:00
platform.rst docs: driver-api: fix spelling of "buses". 2025-09-18 10:40:46 -06:00
porting.rst