linux/kernel/sched
Linus Torvalds a22ea738f4 Fix a sleeping-while-atomic bug caused by a recent optimization
utilizing static keys that didn't consider that the
 static_key_disable() call could be triggered in atomic context.
 
 Revert the optimization.
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
 -----BEGIN PGP SIGNATURE-----
 
 iQJFBAABCgAvFiEEBpT5eoXrXCwVQwEKEnMQ0APhK1gFAmfT8m4RHG1pbmdvQGtl
 cm5lbC5vcmcACgkQEnMQ0APhK1h8IRAAlvqGw8HmdN5VGdco95ejRK8zdPLWQFvI
 m7FvjSZu5ciZrxz72QVmpIoprfNSb7WiYFhrVi7x6qIHgc/g9frIWxRP/OnXsMSg
 hWAHystWPVrLirD6lN46nOKvVaqaACa6NyndNnwGtLEwTyf3Rc87XU/gRjiCwCBG
 hFt7HAEbgSi0YnKcPm79Le0Es33ZfH1Z47LSOSLlEyZbp+dcoliOzveJmbxhcfTM
 3yUO9HtoFRKsUbDZCYHE/ZWgDJbaGNPokwHf9XMSFrWbTXPHxvJvKgZKMfaN+rtr
 NKXzDvUW7D3Au3KHrBk39TcBZMkAKLnnze5RV8xAurKzMZBRWD7ybKetzeMt8gzg
 os/Ge9M5AxldiuPxK8s8S+X+L5tQ/uNwzbQEaC0w4ouH3ZBjgoHTWNJM6Lpwpl42
 3c+zBC+2TdC2dDj0elL2Z34T6X6FiHMoBHOIKaTvX7Lh5G4lTLC9+GIBAt/vSAFv
 vqpo3Bc61qq2jgpnmWRVVfvHKrvA7dvfvId0oE8JQfGB446glLlEKJ7Dyn65NJp6
 9rc2wPAAs+oaaxi47p94CKwBvYzyKkMXSnyB5WXQJOk4O6QD7uv9qGXHzy+8gAom
 QAFTJGpTr7mnXcu/ZOdGGBqoq5Kcbvf15SnnkYqduE0f/omoW+BqgEyGxvbP+qsV
 /7D7ZCXbyk0=
 =fXc6
 -----END PGP SIGNATURE-----

Merge tag 'sched-urgent-2025-03-14' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull scheduler fix from Ingo Molnar:
 "Fix a sleeping-while-atomic bug caused by a recent optimization
  utilizing static keys that didn't consider that the
  static_key_disable() call could be triggered in atomic context.

  Revert the optimization"

* tag 'sched-urgent-2025-03-14' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  sched/clock: Don't define sched_clock_irqtime as static key
2025-03-14 09:56:46 -10:00
..
Makefile
autogroup.c sched_ext: Fixes for v6.14-rc2 2025-02-14 11:14:24 -08:00
autogroup.h
build_policy.c sched_ext: Disallow loading BPF scheduler if isolcpus= domain isolation is in effect 2024-07-08 09:30:13 -10:00
build_utility.c
clock.c sched: Fix spelling in comments 2024-05-27 17:00:21 +02:00
completion.c
core.c sched/core: Prevent rescheduling when interrupts are disabled 2025-02-27 21:13:57 +01:00
core_sched.c sched: Fix spelling in comments 2024-05-27 17:00:21 +02:00
cpuacct.c
cpudeadline.c
cpudeadline.h
cpufreq.c
cpufreq_schedutil.c cpufreq/schedutil: Only bind threads if needed 2025-01-23 21:09:25 +01:00
cpupri.c
cpupri.h
cputime.c sched/clock: Don't define sched_clock_irqtime as static key 2025-03-10 14:22:58 +01:00
deadline.c sched/deadline: Use online cpus for validating runtime 2025-03-06 10:21:31 +01:00
debug.c Fix a cfs_rq->h_nr_runnable accounting bug that trips up a 2025-02-08 11:16:22 -08:00
ext.c sched_ext: Validate prev_cpu in scx_bpf_select_cpu_dfl() 2025-03-03 07:55:48 -10:00
ext.h sched_ext: Fix incorrect autogroup migration detection 2025-01-27 08:31:50 -10:00
fair.c sched/fair: Fix potential memory corruption in child_cfs_rq_on_list 2025-03-05 17:30:54 +01:00
features.h sched/fair: Untangle NEXT_BUDDY and pick_next_task() 2024-12-09 11:48:13 +01:00
idle.c sched_ext: idle: Refresh idle masks during idle-to-idle transitions 2025-01-10 12:40:42 -10:00
isolation.c sched/isolation: Consolidate housekeeping cpumasks that are always identical 2024-12-02 12:24:28 +01:00
loadavg.c sched: Fix spelling in comments 2024-05-27 17:00:21 +02:00
membarrier.c RISC-V Patches for the 6.9 Merge Window 2024-03-22 10:41:13 -07:00
pelt.c sched/fair: Use the new cfs_rq.h_nr_runnable 2024-12-09 11:48:11 +01:00
pelt.h sched: Move update_other_load_avgs() to kernel/sched/pelt.c 2024-09-11 20:00:21 -10:00
psi.c sched, psi: Don't account irq time if sched_clock_irqtime is disabled 2025-01-13 14:10:26 +01:00
rt.c treewide: const qualify ctl_tables where applicable 2025-01-28 13:48:37 +01:00
sched-pelt.h
sched.h sched/clock: Don't define sched_clock_irqtime as static key 2025-03-10 14:22:58 +01:00
smp.h
stats.c docs: Update Schedstat version to 17 2024-12-20 15:31:18 +01:00
stats.h Mainly individually changelogged singleton patches. The patch series in 2025-01-26 17:50:53 -08:00
stop_task.c sched: Add put_prev_task(.next) 2024-09-03 15:26:32 +02:00
swait.c
syscalls.c cpufreq/schedutil: Only bind threads if needed 2025-01-23 21:09:25 +01:00
topology.c treewide: const qualify ctl_tables where applicable 2025-01-28 13:48:37 +01:00
wait.c
wait_bit.c sched/wait: Remove unused bit_wait_io_timeout 2024-10-07 09:28:41 +02:00