linux/drivers/base
Linus Torvalds cb95904b47 Scheduler updates:
Kconfig updates:
 
  - Simplify PREEMPT_DYNAMIC (Mark Rutland)
 
 Fair scheduler updates:
 
  - Remove redundant RUN_TO_PARITY check (Elif Topuz)
 
  - Declare augmented callbacks per field, fix rb_add_augmented_cached()
    descent (Yiwei Lin, Peter Zijlstra)
 
  - Restart fair hrtick after same-task repicks (Shubhang Kaushik)
 
  - Improve the scheduling latency of short slice tasks (Vincent Guittot)
 
 Deadline/RT scheduler updates:
 
  - Check start_dl_timer expiry with ktime_before()
    (Liang Hao)
 
  - irq_work: CPU-hotplug improvements on PREEMPT_RT (Sebastian Andrzej
    Siewior)
 
 Energy-aware scheduling updates:
 
  - Implement the steal_governor, introduce preferred CPUs and
    steal-driven vCPU backoff (Shrikanth Hegde)
 
 Multi-processor load-balancing updates:
 
  - Enable preferred SMT siblings on NVIDIA Olympus (Andrea Righi)
 
  - Randomize equally shallow idle CPU picks (Christian Loehle)
 
  - Remove redundant core_sched_seq (Hui Su)
 
 Cache-aware scheduling updates:
 
  - Avoid publishing partial LLC utilization (Jemmy Wong)
 
 NUMA-balancing updates:
 
  - Reset NUMA fault locality after scan period update (Eric Kim)
 
 Proxy execution updates:
 
  - Ongoing work to implement sleeping owner handling for proxy
    execution (John Stultz, Vasily Gorbik)
 
  - Preparatory steps to make sched_ext compatible with proxy
    execution (Andrea Righi)
 
 Scheduler infrastructure updates & fixes:
 
  - Remove the RCU wait from PSI trigger destruction (Shakeel Butt)
 
  - Avoid modifying wait-entry on failed priority registration
    (Hui Su)
 
  - Use the new static key API for sched_feat (Hongyan Xia)
 
  - Convert paravirt_steal to new static key APIs (Hongyan Xia)
 
  - cputime: Don't account idle time twice after dyntick-idle
    (Stian Halseth)
 
 Scheduler debugging updates:
 
  - Set TIF_NEED_RESCHED before calling __trace_set_need_resched()
    (Sechang Lim)
 
  - Fix context analysis errors in non-preferred CPU push (Shrikanth
    Hegde)
 
 Misc cleanups and fixes by Christian Loehle, Shubhang Kaushik,
 Thomas Huth and Vladimir Zapolskiy.
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
 -----BEGIN PGP SIGNATURE-----
 
 iQJFBAABCgAvFiEEBpT5eoXrXCwVQwEKEnMQ0APhK1gFAmrUomIRHG1pbmdvQGtl
 cm5lbC5vcmcACgkQEnMQ0APhK1ik+Q/+Jx0tXmwOm/wk1ba50zz/tkUL17APJzD1
 0TdHSf0sqssyVnQVmGBNWoKfp30zzrnd8Yf46PH5kUmyIxX0LqazAXsPA/0lxAY6
 jB2b5ZGosyQQPqyjM1q48K/BMB+GGO9xDKlFxxkBsICi+vS+6diBzXM70xla9M4O
 CcAO5DHb50otN/TljfnkmbxG7vgssCVZyS7XG6bSyhd6tUrcr4DVD7gYOMbSVcaL
 8Cgu+b54rOAcrcWU1454YKHI5etUOTjblCbFgISrdw7lwf4dKVtTAKSanFX9n522
 q9sQ1vzuRz6JfSak9nxFkCy5SMjuHJ53DkVNR4eUXNmM0tHdAcVd8jOexmQVBrug
 Yjloo/WydUqGT2TYYEVQPi4J+jMqMRyDIp3TL9UuQjwcjHRnUpd8EVmoNme0TOi+
 e3SoS+xOSVBLgbMFwrjJR/tQuqDPjgBrgIyg8wL+ed5cY6Equ+J3467wp8lO7RBN
 uGwChvxQAOaMlkh5tIR38Zjq9kzs79y85vz3uD2SNk17TcvijVw9UsmQKfAkpdZo
 5FUDM2AdyOhOtZkzMNLHfjjBLSMVCBRo726c6WbELibhuWN7xTAJSJx8o8JNOCrC
 vOBcNNAHpU7BwqA0gFIA3lL1uMXvKn9npKKjnB2C4WxhFGf23NF6uPapyA4sMZ00
 YwRGvOeDvu4=
 =cPCx
 -----END PGP SIGNATURE-----

Merge tag 'sched-core-2026-10-18' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull scheduler updates from Ingo Molnar:
 "Kconfig updates:

   - Simplify PREEMPT_DYNAMIC (Mark Rutland)

  Fair scheduler updates:

   - Remove redundant RUN_TO_PARITY check (Elif Topuz)

   - Declare augmented callbacks per field, fix
     rb_add_augmented_cached() descent (Yiwei Lin, Peter Zijlstra)

   - Restart fair hrtick after same-task repicks (Shubhang Kaushik)

   - Improve the scheduling latency of short slice tasks (Vincent
     Guittot)

  Deadline/RT scheduler updates:

   - Check start_dl_timer expiry with ktime_before() (Liang Hao)

   - irq_work: CPU-hotplug improvements on PREEMPT_RT (Sebastian Andrzej
     Siewior)

  Energy-aware scheduling updates:

   - Implement the steal_governor, introduce preferred CPUs and
     steal-driven vCPU backoff (Shrikanth Hegde)

  Multi-processor load-balancing updates:

   - Enable preferred SMT siblings on NVIDIA Olympus (Andrea Righi)

   - Randomize equally shallow idle CPU picks (Christian Loehle)

   - Remove redundant core_sched_seq (Hui Su)

  Cache-aware scheduling updates:

   - Avoid publishing partial LLC utilization (Jemmy Wong)

  NUMA-balancing updates:

   - Reset NUMA fault locality after scan period update (Eric Kim)

  Proxy execution updates:

   - Ongoing work to implement sleeping owner handling for proxy
     execution (John Stultz, Vasily Gorbik)

   - Preparatory steps to make sched_ext compatible with proxy execution
     (Andrea Righi)

  Scheduler infrastructure updates & fixes:

   - Remove the RCU wait from PSI trigger destruction (Shakeel Butt)

   - Avoid modifying wait-entry on failed priority registration
     (Hui Su)

   - Use the new static key API for sched_feat (Hongyan Xia)

   - Convert paravirt_steal to new static key APIs (Hongyan Xia)

   - cputime: Don't account idle time twice after dyntick-idle
     (Stian Halseth)

  Scheduler debugging updates:

   - Set TIF_NEED_RESCHED before calling __trace_set_need_resched()
     (Sechang Lim)

   - Fix context analysis errors in non-preferred CPU push (Shrikanth
     Hegde)

  Misc cleanups and fixes by Christian Loehle, Shubhang Kaushik,
  Thomas Huth and Vladimir Zapolskiy"

* tag 'sched-core-2026-10-18' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (64 commits)
  sched: Replace nr_iowait_cpu() with a bool accessor
  Revert "sched/fair: Remove dead code on enqueue_task_fair()"
  sched/cache: Avoid publishing partial LLC utilization
  sched/cputime: Don't account idle time twice after dyntick-idle
  sched/psi: Remove the RCU wait from trigger destruction
  sched/eevdf: Remove redundant RUN_TO_PARITY check
  sched/wait: Avoid modifying entry on failed priority registration
  rbtree_test: Use rb_add_augmented_cached() for the cached augmented test
  rbtree: Update augmented data on the way down in rb_add_augmented_cached()
  rbtree: Declare augmented callbacks per field with RB_AUG()
  rbtree_test: Use rb_add() and rb_add_cached() for the basic tests
  smpboot: Don't park the thread if work is pending
  irq_work: Flush lazy work CPU down on PREEMPT_RT
  irq_work: Update a comment regarding CPU hotplug invocation
  sched/topology: Add asymmetric SMT packing override
  sched/fair: Honor asymmetric SMT priority in idle selection
  sched: Set TIF_NEED_RESCHED before calling __trace_set_need_resched()
  sched/core: Fix context analysis errors in non-preferred CPU push
  virt/steal_governor: Enable the driver
  virt/steal_governor: Implement steal_governor policy loop
  ...
2026-10-20 12:35:35 -10:00
..
firmware_loader firmware_loader: do not queue completed sysfs fallback requests 2026-08-06 23:38:16 +02:00
power PM: sleep: Unblock runtime PM when device prepare fails 2026-08-20 23:18:15 +02:00
regmap regmap: Fix cache lifecycle locking and teardown 2026-10-13 00:11:44 +01:00
test drivers: base: test: DRIVER_PE_KUNIT_TEST should not select OF 2026-09-01 16:59:48 +02:00
arch_topology.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
attribute_container.c driver core: attribute_container: Unwind device_add() on attr failure 2026-07-18 16:07:22 +02:00
auxiliary_sysfs.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
auxiliary.c ACPI support updates for 7.1-rc1 2026-04-13 19:25:07 -07:00
base.h driver core: constify group arrays arguments in driver_add_groups and driver_remove_groups 2026-05-22 13:32:05 +02:00
bus.c driver core: reject devices with unregistered buses 2026-05-02 17:50:50 +02:00
cacheinfo.c - Orphan several EDAC drivers: i82975x, x38, xgene, i3200. Those have been 2026-10-20 08:14:43 -10:00
class.c kernfs: pass struct ns_common instead of const void * for namespace tags 2026-04-09 14:36:52 +02:00
component.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
container.c
core.c driver core: avoid repeatedly printing the same 'Fixed dependency' log 2026-07-17 15:44:44 +02:00
cpu.c sysfs: Add preferred CPU file 2026-09-28 08:44:41 +02:00
dd.c driver core: add driver name to probe debug print 2026-07-10 16:56:07 +02:00
devcoredump.c devcoredump: Remove exit call 2026-05-22 13:26:51 +02:00
devres.c devres: rename and export set_node_dbginfo() 2026-03-18 00:02:59 +01:00
devtmpfs.c devtmpfs: restore mount option reconfiguration on get_tree 2026-08-31 09:43:00 +02:00
driver.c driver core: remove driver_set_override() 2026-05-30 22:25:50 +02:00
faux.c driver core: faux: clean up init error handling 2026-05-02 17:50:50 +02:00
firmware.c
hypervisor.c
init.c driver core: make software nodes available earlier 2026-04-04 00:33:49 +02:00
isa.c isa: refactor code to remove nested blocks 2026-07-03 23:14:59 +02:00
Kconfig mm.git review status for linus..mm-stable 2026-08-27 09:17:06 -07:00
Makefile drivers/base, mm: move arch_numa.c to mm/ 2026-08-24 18:43:10 -07:00
map.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
memory.c mm/memory_hotplug: add mhp_online_type_to_str() and export string helpers 2026-08-06 18:56:58 -07:00
module.c driver core: fix path of /sys/module in comment 2026-06-29 01:11:14 +02:00
node.c drivers/base/memory: make memory block get/put explicit 2026-06-02 15:22:12 -07:00
physical_location.c Convert more 'alloc_obj' cases to default GFP_KERNEL arguments 2026-02-21 20:03:00 -08:00
physical_location.h
pinctrl.c driver core: Replace dev->of_node_reused with dev_of_node_reused() 2026-04-26 23:50:20 +02:00
platform-msi.c platform-msi: Remove stale comment 2026-02-26 10:48:19 +01:00
platform.c driver core: platform: unify release path 2026-07-20 00:49:16 +02:00
property.c treewide: refresh kmalloc_obj() conversions 2026-09-04 21:37:00 -07:00
soc.c driver core: soc: Unregister bus on early device registration failure 2026-07-18 16:07:22 +02:00
swnode.c software node: Fix software_node_get_reference_args() with index -1 2026-07-18 16:07:22 +02:00
syscore.c syscore: Pass context data to callbacks 2025-11-14 10:01:52 +01:00
topology.c sysfs: treewide: switch back to attribute_group::bin_attrs 2025-06-17 10:44:15 +02:00
trace.c
trace.h
transport_class.c drivers: base: Remove statistics group if encryption group not created 2026-07-18 16:07:22 +02:00