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linux/kernel/sched
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Linus Torvalds 3c7b4d1994 sched_ext: Fixes for v6.19-rc8 
- Fix race where sched_class operations (sched_setscheduler() and friends)
   could be invoked on dead tasks after sched_ext_dead() already ran, causing
   invalid SCX task state transitions and NULL pointer dereferences. This was
   a regression from the cgroup exit ordering fix which moved
   sched_ext_free() to finish_task_switch().
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Merge tag 'sched_ext-for-6.19-rc8-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/sched_ext

Pull sched_ext fix from Tejun Heo:

 - Fix race where sched_class operations (sched_setscheduler() and
   friends) could be invoked on dead tasks after sched_ext_dead()
   already ran, causing invalid SCX task state transitions and NULL
   pointer dereferences.

   This was a regression from the cgroup exit ordering fix which
   moved sched_ext_free() to finish_task_switch().

* tag 'sched_ext-for-6.19-rc8-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/sched_ext:
  sched_ext: Short-circuit sched_class operations on dead tasks
 		2026-02-04 15:11:24 -08:00
..
Makefile
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autogroup.c cgroup: Rename cgroup lifecycle hooks to cgroup_task_*() 2025-11-03 11:46:18 -10:00
autogroup.h
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build_policy.c sched_ext: Move internal type and accessor definitions to ext_internal.h 2025-09-03 11:33:28 -10:00
build_utility.c
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clock.c
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completion.c
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core.c sched: Deadline has dynamic priority 2026-01-15 21:57:53 +01:00
core_sched.c
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cpuacct.c
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cpudeadline.c sched/deadline: only set free_cpus for online runqueues 2025-10-16 11:13:49 +02:00
cpudeadline.h sched/deadline: only set free_cpus for online runqueues 2025-10-16 11:13:49 +02:00
cpufreq.c
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cpufreq_schedutil.c
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cpupri.c
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cpupri.h
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cputime.c seqlock: Change thread_group_cputime() to use scoped_seqlock_read() 2025-10-21 12:31:57 +02:00
deadline.c sched/deadline: Fix 'stuck' dl_server 2026-01-30 23:06:06 +01:00
debug.c sched/eevdf: Fix min_vruntime vs avg_vruntime 2025-11-11 12:33:38 +01:00
ext.c sched_ext: Fixes for v6.19-rc8 2026-02-04 15:11:24 -08:00
ext.h sched_ext: Use cgroup_lock/unlock() to synchronize against cgroup operations 2025-09-03 11:36:07 -10:00
ext_idle.c sched_ext: Wrap kfunc args in struct to prepare for aux__prog 2025-10-13 08:49:29 -10:00
ext_idle.h
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ext_internal.h sched_ext: Implement load balancer for bypass mode 2025-11-12 06:43:44 -10:00
fair.c sched/fair: Revert force wakeup preemption 2026-01-23 11:53:20 +01:00
features.h sched/fair: Disable scheduler feature NEXT_BUDDY 2026-01-23 11:53:19 +01:00
idle.c sched/fair: Fix pelt clock sync when entering idle 2026-01-21 17:46:08 +01:00
isolation.c sched/isolation: Force housekeeping if isolcpus and nohz_full don't leave any 2025-11-20 20:17:31 +01:00
loadavg.c
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membarrier.c rseq: Simplify the event notification 2025-11-04 08:30:09 +01:00
pelt.c treewide: Update email address 2026-01-11 06:09:11 -10:00
pelt.h sched/fair: Switch to task based throttle model 2025-09-03 10:03:14 +02:00
psi.c sched/psi: Fix psi_seq initialization 2025-08-04 10:51:22 -07:00
rq-offsets.c sched: Make migrate_{en,dis}able() inline 2025-09-25 09:57:16 +02:00
rt.c sched/proxy: Yield the donor task 2025-11-11 12:33:36 +01:00
sched-pelt.h
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sched.h sched: Audit MOVE vs balance_callbacks 2026-01-15 21:57:53 +01:00
smp.h
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stats.c
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stats.h sched/core: Fix psi_dequeue() for Proxy Execution 2025-12-06 10:13:16 +01:00
stop_task.c sched: Add support to pick functions to take rf 2025-10-16 11:13:55 +02:00
swait.c
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syscalls.c sched: Deadline has dynamic priority 2026-01-15 21:57:53 +01:00
topology.c sched/fair: Proportional newidle balance 2025-11-17 17:13:16 +01:00
wait.c ARM: 2025-07-30 17:14:01 -07:00
wait_bit.c
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