linux/drivers
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>
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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
..
accel accel/rocket: search every core slot when looking up a scheduler 2026-10-13 13:54:27 +02:00
accessibility braille: nbcon: Allow to use a serial console with NBCON API as Braille console 2026-10-02 10:26:42 +02:00
acpi arm_mpam: add MPAM-Fb MSC firmware access support 2026-10-02 18:22:55 +01:00
amba
android vfs-7.4-rc1.idmap 2026-10-19 17:57:49 -10:00
ata ata: libata-scsi: do not lose CHECK CONDITION for failed ATAPI commands 2026-09-30 10:42:26 +02:00
atm
auxdisplay auxdisplay for v7.3-1 2026-08-24 08:15:59 -07:00
base Scheduler updates: 2026-10-20 12:35:35 -10:00
bcma
block block-7.3-20261010 2026-10-11 09:00:33 -07:00
bluetooth Bluetooth: btintel_pcie: use managed IRQ teardown 2026-10-02 11:25:53 -04:00
bus Char/Misc/IIO/etc driver update for 7.3-rc1 2026-08-25 09:38:50 -07:00
cache
cdrom
cdx
char Core features: 2026-10-20 07:55:19 -10:00
clk soc: fixes for 7.3, part 2 2026-10-08 06:44:07 +02:00
clocksource hyperv-next for v7.3-rc1 2026-08-26 16:47:40 -07:00
comedi
connector
counter Char/Misc/IIO/etc driver update for 7.3-rc1 2026-08-25 09:38:50 -07:00
cpufreq cpufreq: intel_pstate: Fix max_freq fallback in cpufreq_update_pressure() 2026-09-29 12:23:20 +02:00
cpuidle cpuidle: dt_idle_genpd: kfree() the original name allocation 2026-09-01 17:28:56 +02:00
crypto - Report in sysfs which SEV confidential computing features are enabled in the 2026-10-20 11:31:05 -10:00
cxl cxl/pci: Add the PMUs after configuring events 2026-10-04 17:02:28 +00:00
dax mm.git review status for mm-hotfixes-stable..mm-stable 2026-08-20 18:17:08 -07:00
dca
devfreq treewide: refresh kmalloc_obj() conversions 2026-09-04 21:37:00 -07:00
dibs dibs: Unregister dibs_class after error 2026-09-04 16:12:24 -07:00
dio
dma dmaengine fixes for v7.3 2026-09-20 10:45:22 -07:00
dma-buf Revert "dma-buf: Make DMABUF_DEBUG default to y on DEBUG_KERNEL kernels" 2026-10-13 19:26:28 +05:30
dpll dpll: use exact lookup for reference sync pin id 2026-09-21 17:19:42 -07:00
edac - Orphan several EDAC drivers: i82975x, x38, xgene, i3200. Those have been 2026-10-20 08:14:43 -10:00
eisa
extcon
firewire firewire: core: fix race condition in split transaction handling 2026-10-18 11:59:35 +09:00
firmware - Rework the early decompressor some and drop the version of panic() there 2026-10-20 09:26:29 -10:00
fpga treewide: refresh kmalloc_obj() conversions 2026-09-04 21:37:00 -07:00
fsi
fwctl rust: introduce abstractions for fwctl 2026-08-14 19:21:17 -03:00
gnss
gpib Char/Misc/IIO/etc driver update for 7.3-rc1 2026-08-25 09:38:50 -07:00
gpio vfs-7.4-rc1.file 2026-10-19 17:35:50 -10:00
gpu vfs-7.4-rc1.file 2026-10-19 17:35:50 -10:00
greybus
hid hid-for-linus-2026100201 2026-10-02 09:51:11 -07:00
hsi HSI changes for the 7.3 series 2026-08-21 12:01:23 -07:00
hte
hv Core features: 2026-10-20 07:55:19 -10:00
hwmon hwmon: (hp-wmi-sensors) Improve raw WMI string handling 2026-09-16 17:08:19 -07:00
hwspinlock
hwtracing coresight: perf: Suppress ITRACE start records 2026-10-04 17:09:23 +00:00
i2c i2c: xiic: restore non-managed runtime PM to fix clk WARN flood 2026-10-15 22:34:34 +02:00
i3c treewide: refresh kmalloc_obj() conversions 2026-09-04 21:37:00 -07:00
idle
iio iio: adc: ad_sigma_delta: fix use-after-free on unbind 2026-09-30 18:59:56 +01:00
infiniband RDMA v7.3 first rc pull 2026-09-14 09:58:12 -07:00
input Input updates for v7.3-rc6 2026-10-11 08:10:43 -07:00
interconnect Revert "interconnect: qcom: x1e80100: enable QoS configuration" 2026-09-16 15:55:38 +03:00
iommu iommupt/kunit: Use if_changed_rule for the kunit 2026-10-14 15:42:12 +02:00
ipack Char/Misc/IIO/etc driver update for 7.3-rc1 2026-08-25 09:38:50 -07:00
irqchip irqchip/gic-v5: Preserve ICC_CR0_EL1 state 2026-09-07 21:44:17 +02:00
leds LEDs for v7.3 2026-08-27 11:05:51 -07:00
macintosh
mailbox treewide: refresh kmalloc_obj() conversions 2026-09-04 21:37:00 -07:00
mcb
md dm-integrity: validate the superblock on resume 2026-10-01 13:18:00 +02:00
media vfs-7.4-rc1.file 2026-10-19 17:35:50 -10:00
memory * Raw NAND changes 2026-08-23 09:11:21 -07:00
memstick memstick: rtsx_usb_ms: complete requests after eject instead of dropping them 2026-09-30 17:53:31 +02:00
message
mfd treewide: refresh kmalloc_obj() conversions 2026-09-04 21:37:00 -07:00
misc Core features: 2026-10-20 07:55:19 -10:00
mmc mmc: cavium-thunderx: destroy slot platform devices on remove 2026-09-28 17:57:23 +02:00
most
mtd The most important set of fixes are around the handling of the QE bit in 2026-09-29 13:45:18 -07:00
mux
net Core features: 2026-10-20 07:55:19 -10:00
nfc nfc: pn533: fix OOB read in pn533_acr122_is_rx_frame_valid() 2026-09-23 22:13:18 +02:00
ntb NTB: ntb_transport: Reject oversized TX buffers 2026-08-20 13:43:24 -07:00
nubus
nvdimm treewide: refresh kmalloc_obj() conversions 2026-09-04 21:37:00 -07:00
nvme block-7.3-20261010 2026-10-11 09:00:33 -07:00
nvmem Char/Misc/IIO/etc driver update for 7.3-rc1 2026-08-25 09:38:50 -07:00
of Devicetree fixes for v7.3, part 2: 2026-10-01 12:47:16 -07:00
opp OPP updates for 7.3-rc2 2026-09-09 19:03:00 +02:00
parisc parisc: eisa: Fix infinite loop when parsing invalid IRQ value 2026-08-18 11:43:05 +02:00
parport
pci pci-v7.3-fixes-6 2026-10-16 14:51:21 -10:00
pcmcia
peci
perf Core features: 2026-10-20 07:55:19 -10:00
phy phy: mediatek: phy-mtk-hdmi-mt8195: Fix TMDS clk bit ratio setting 2026-09-13 16:05:23 +05:30
pinctrl pinctrl: sunxi: dt: do not accumulate npins across probe attempts 2026-10-12 11:30:12 +02:00
platform platform-drivers-x86 for v7.3-2 2026-09-11 12:52:48 -07:00
pmdomain pmdomain: rockchip: don't ignore clock lookup errors on attach 2026-09-28 15:36:50 +02:00
pnp
power power sequencing fixes for v7.3 2026-10-16 08:17:30 -07:00
powercap More power management updates for 7.3-rc1 2026-08-26 14:13:26 -07:00
pps
ps3
ptp ptp: ocp: fix PCIe delay estimation calculation 2026-10-08 11:01:02 -07:00
pwm Driver core changes for 7.3-rc1 2026-08-19 10:42:18 -07:00
rapidio
ras - Mark the mpc85xx and ThunderX EDAC drivers as orphaned due to lack of 2026-08-31 20:10:39 -07:00
regulator regulator: ltc3676: don't read the write-only HRST and CLIRQ registers 2026-10-06 17:59:42 +02:00
remoteproc remoteproc: qcom_q6v5_pas: Fix error masking in qcom_pas_stop() 2026-08-31 11:45:00 -05:00
resctrl - Push down into arch code the rounding of bandwidth control user values due 2026-10-20 10:11:04 -10:00
reset Mostly the usual clk driver updates and new SoC additions plus non-critical 2026-08-26 11:14:30 -07:00
rpmsg
rtc rtc: spear: initialize IRQ state before requesting alarm IRQ 2026-09-21 22:46:42 +02:00
s390 Arm: 2026-09-26 08:26:12 -07:00
sbus
scsi SCSI fixes on 20261018 2026-10-18 09:06:02 -10:00
sh
siox
slimbus
soc Core features: 2026-10-20 07:55:19 -10:00
soundwire soundwire: cadence_master: wait and cancel cdns->work before clock stop 2026-09-08 19:19:42 +05:30
spi spi: spi-fsl-lpspi: directly return ret in fsl_lpspi_transfer_one() 2026-10-15 22:37:15 +01:00
spmi
ssb
staging tty: fix saved termios reset race 2026-10-01 11:05:17 +02:00
target scsi: target: iscsi: Fix race in discovery auth updates 2026-10-13 23:08:43 -04:00
tc
tee Reject zero-sized allocations in tee_dyn_shm_alloc_helper() 2026-10-03 23:33:02 +02:00
thermal thermal: gov_step_wise: Fix stale mitigation vote with non-zero lower bounds 2026-09-22 21:16:11 +02:00
thunderbolt thunderbolt: Fixes for v7.3-rc6 2026-10-01 13:26:31 +02:00
tty printk fixes for 7.3-rc7 2026-10-06 11:32:54 +02:00
ufs SCSI fixes on 20261018 2026-10-18 09:06:02 -10:00
uio
usb usb: mtu3: Fix a double-dereference splat in TP_printk 2026-10-08 06:36:57 +02:00
vdpa vduse: return compat ioctl results directly 2026-09-08 03:58:27 -04:00
vfio mm.git review status for mm-hotfixes-stable..mm-stable 2026-08-20 18:17:08 -07:00
vhost vhost: invalidate vring access on IOTLB transitions 2026-09-07 18:54:04 -04:00
video fbdev fixes for 7.3-rc3: 2026-09-12 08:06:04 -07:00
virt Scheduler updates: 2026-10-20 12:35:35 -10:00
virtio virtio_input: stop callbacks before unregistering input device 2026-09-07 18:54:04 -04:00
w1
watchdog watchdog: da9063: fix suspend/resume handling of HW_RUNNING watchdog 2026-09-18 08:10:45 -07:00
xen Merge branch 'tip/sched/urgent' 2026-10-13 13:51:24 +02:00
zorro
Kconfig
Makefile