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twx-linux/kernel/sched
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Linus Torvalds eaed94d1f6 Scheduler updates for v6.16: 
Core & fair scheduler changes:
 
   - Tweak wait_task_inactive() to force dequeue sched_delayed tasks
     (John Stultz)
 
   - Adhere to place_entity() constraints (Peter Zijlstra)
 
   - Allow decaying util_est when util_avg > CPU capacity (Pierre Gondois)
 
   - Fix up wake_up_sync() vs DELAYED_DEQUEUE (Xuewen Yan)
 
 Energy management:
 
   - Introduce sched_update_asym_prefer_cpu() (K Prateek Nayak)
 
   - cpufreq/amd-pstate: Update asym_prefer_cpu when core rankings change
     (K Prateek Nayak)
 
   - Align uclamp and util_est and call before freq update (Xuewen Yan)
 
 CPU isolation:
 
   - Make use of more than one housekeeping CPU (Phil Auld)
 
 RT scheduler:
 
   - Fix race in push_rt_task() (Harshit Agarwal)
 
   - Add kernel cmdline option for rt_group_sched (Michal Koutný)
 
 Scheduler topology support:
 
   - Improve topology_span_sane speed (Steve Wahl)
 
 Scheduler debugging:
 
   - Move and extend the sched_process_exit() tracepoint (Andrii Nakryiko)
 
   - Add RT_GROUP WARN checks for non-root task_groups (Michal Koutný)
 
   - Fix trace_sched_switch(.prev_state) (Peter Zijlstra)
 
   - Untangle cond_resched() and live-patching (Peter Zijlstra)
 
 Fixes and cleanups:
 
   - Misc fixes and cleanups (K Prateek Nayak, Michal Koutný,
     Peter Zijlstra, Xuewen Yan)
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'sched-core-2025-05-25' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull scheduler updates from Ingo Molnar:
 "Core & fair scheduler changes:

   - Tweak wait_task_inactive() to force dequeue sched_delayed tasks
     (John Stultz)

   - Adhere to place_entity() constraints (Peter Zijlstra)

   - Allow decaying util_est when util_avg > CPU capacity (Pierre
     Gondois)

   - Fix up wake_up_sync() vs DELAYED_DEQUEUE (Xuewen Yan)

  Energy management:

   - Introduce sched_update_asym_prefer_cpu() (K Prateek Nayak)

   - cpufreq/amd-pstate: Update asym_prefer_cpu when core rankings
     change (K Prateek Nayak)

   - Align uclamp and util_est and call before freq update (Xuewen Yan)

  CPU isolation:

   - Make use of more than one housekeeping CPU (Phil Auld)

  RT scheduler:

   - Fix race in push_rt_task() (Harshit Agarwal)

   - Add kernel cmdline option for rt_group_sched (Michal Koutný)

  Scheduler topology support:

   - Improve topology_span_sane speed (Steve Wahl)

  Scheduler debugging:

   - Move and extend the sched_process_exit() tracepoint (Andrii
     Nakryiko)

   - Add RT_GROUP WARN checks for non-root task_groups (Michal Koutný)

   - Fix trace_sched_switch(.prev_state) (Peter Zijlstra)

   - Untangle cond_resched() and live-patching (Peter Zijlstra)

  Fixes and cleanups:

   - Misc fixes and cleanups (K Prateek Nayak, Michal Koutný, Peter
     Zijlstra, Xuewen Yan)"

* tag 'sched-core-2025-05-25' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (26 commits)
  sched/uclamp: Align uclamp and util_est and call before freq update
  sched/util_est: Simplify condition for util_est_{en,de}queue()
  sched/fair: Fixup wake_up_sync() vs DELAYED_DEQUEUE
  sched,livepatch: Untangle cond_resched() and live-patching
  sched/core: Tweak wait_task_inactive() to force dequeue sched_delayed tasks
  sched/fair: Adhere to place_entity() constraints
  sched/debug: Print the local group's asym_prefer_cpu
  cpufreq/amd-pstate: Update asym_prefer_cpu when core rankings change
  sched/topology: Introduce sched_update_asym_prefer_cpu()
  sched/fair: Use READ_ONCE() to read sg->asym_prefer_cpu
  sched/isolation: Make use of more than one housekeeping cpu
  sched/rt: Fix race in push_rt_task
  sched: Add annotations to RT_GROUP_SCHED fields
  sched: Add RT_GROUP WARN checks for non-root task_groups
  sched: Do not construct nor expose RT_GROUP_SCHED structures if disabled
  sched: Bypass bandwitdh checks with runtime disabled RT_GROUP_SCHED
  sched: Skip non-root task_groups with disabled RT_GROUP_SCHED
  sched: Add commadline option for RT_GROUP_SCHED toggling
  sched: Always initialize rt_rq's task_group
  sched: Remove unneeed macro wrap
  ...
2025-05-26 15:19:58 -07:00
..
autogroup.c sched_ext: Fixes for v6.14-rc2 2025-02-14 11:14:24 -08:00
autogroup.h
build_policy.c sched_ext: Move built-in idle CPU selection policy to a separate file 2025-01-27 12:43:43 -10:00
build_utility.c sched/debug: Make CONFIG_SCHED_DEBUG functionality unconditional 2025-03-19 22:20:53 +01:00
clock.c sched: Fix spelling in comments 2024-05-27 17:00:21 +02:00
completion.c
core_sched.c sched/debug: Change SCHED_WARN_ON() to WARN_ON_ONCE() 2025-03-19 22:20:53 +01:00
core.c Scheduler updates for v6.16: 2025-05-26 15:19:58 -07:00
cpuacct.c
cpudeadline.c
cpudeadline.h
cpufreq_schedutil.c cpufreq/sched: Set need_freq_update in ignore_dl_rate_limit() 2025-04-17 17:54:44 +02:00
cpufreq.c
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 A treewide hrtimer timer cleanup 2025-03-25 10:54:15 -07:00
debug.c sched/debug: Print the local group's asym_prefer_cpu 2025-04-16 21:09:11 +02:00
ext_idle.c sched_ext: Track currently locked rq 2025-04-22 09:27:50 -10:00
ext_idle.h sched_ext: idle: Refactor scx_select_cpu_dfl() 2025-03-14 08:17:11 -10:00
ext.c sched_ext: bpf_iter_scx_dsq_new() should always initialize iterator 2025-05-07 06:24:07 -10:00
ext.h sched_ext: Implement SCX_OPS_ALLOW_QUEUED_WAKEUP 2025-02-13 07:30:46 -10:00
fair.c Scheduler updates for v6.16: 2025-05-26 15:19:58 -07:00
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: Make use of more than one housekeeping cpu 2025-04-08 20:55:55 +02:00
loadavg.c sched: Fix spelling in comments 2024-05-27 17:00:21 +02:00
Makefile tracing: Disable branch profiling in noinstr code 2025-03-22 09:49:26 +01:00
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 treewide: Switch/rename to timer_delete[_sync]() 2025-04-05 10:30:12 +02:00
rt.c sched/rt: Fix race in push_rt_task 2025-04-08 20:55:55 +02:00
sched-pelt.h
sched.h sched: Add annotations to RT_GROUP_SCHED fields 2025-04-08 20:55:55 +02:00
smp.h
stats.c docs: Update Schedstat version to 17 2024-12-20 15:31:18 +01:00
stats.h sched/debug: Change SCHED_WARN_ON() to WARN_ON_ONCE() 2025-03-19 22:20:53 +01:00
stop_task.c sched: Add put_prev_task(.next) 2024-09-03 15:26:32 +02:00
swait.c
syscalls.c sched: Bypass bandwitdh checks with runtime disabled RT_GROUP_SCHED 2025-04-08 20:55:54 +02:00
topology.c sched/topology: Introduce sched_update_asym_prefer_cpu() 2025-04-16 21:09:11 +02:00
wait_bit.c sched/wait: Remove unused bit_wait_io_timeout 2024-10-07 09:28:41 +02:00
wait.c