linux/kernel/sched
Linus Torvalds dff6584301 sched_ext: Fixes for v6.12-rc3
- More issues reported in the enable/disable paths on large machines with
   many tasks due to scx_tasks_lock being held too long. Break up the task
   iterations.
 
 - Remove ops.select_cpu() dependency in bypass mode so that a misbehaving
   implementation can't live-lock the machine by pushing all tasks to few
   CPUs in bypass mode.
 
 - Other misc fixes.
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Merge tag 'sched_ext-for-6.12-rc3-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/sched_ext

Pull sched_ext fixes from Tejun Heo:

 - More issues reported in the enable/disable paths on large machines
   with many tasks due to scx_tasks_lock being held too long. Break up
   the task iterations

 - Remove ops.select_cpu() dependency in bypass mode so that a
   misbehaving implementation can't live-lock the machine by pushing all
   tasks to few CPUs in bypass mode

 - Other misc fixes

* tag 'sched_ext-for-6.12-rc3-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/sched_ext:
  sched_ext: Remove unnecessary cpu_relax()
  sched_ext: Don't hold scx_tasks_lock for too long
  sched_ext: Move scx_tasks_lock handling into scx_task_iter helpers
  sched_ext: bypass mode shouldn't depend on ops.select_cpu()
  sched_ext: Move scx_buildin_idle_enabled check to scx_bpf_select_cpu_dfl()
  sched_ext: Start schedulers with consistent p->scx.slice values
  Revert "sched_ext: Use shorter slice while bypassing"
  sched_ext: use correct function name in pick_task_scx() warning message
  selftests: sched_ext: Add sched_ext as proper selftest target
2024-10-15 19:47:19 -07:00
..
Makefile
autogroup.c scheduler: Remove the now superfluous sentinel elements from ctl_table array 2024-04-24 09:43:54 +02:00
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: Add ENQUEUE_RQ_SELECTED to indicate whether ->select_task_rq() was called 2024-10-07 10:16:18 -10:00
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 Merge branch 'tip/sched/core' into sched_ext/for-6.12 2024-09-11 08:43:26 -10:00
cpupri.c
cpupri.h
cputime.c sched/cputime: Fix mul_u64_u64_div_u64() precision for cputime 2024-07-29 12:22:32 +02:00
deadline.c sched: Add put_prev_task(.next) 2024-09-03 15:26:32 +02:00
debug.c Merge branch 'tip/sched/core' into sched_ext/for-6.12 2024-09-11 08:43:26 -10:00
ext.c sched_ext: Remove unnecessary cpu_relax() 2024-10-14 13:23:49 -10:00
ext.h sched_ext: Add cgroup support 2024-09-04 10:24:59 -10:00
fair.c sched_ext: Initial pull request for v6.12 2024-09-21 09:44:57 -07:00
features.h sched/eevdf: Allow shorter slices to wakeup-preempt 2024-08-17 11:06:45 +02:00
idle.c Merge branch 'tip/sched/core' into for-6.12 2024-09-03 12:49:18 -10:00
isolation.c sched/isolation: Fix boot crash when maxcpus < first housekeeping CPU 2024-04-28 10:08:21 +02:00
loadavg.c sched: Fix spelling in comments 2024-05-27 17:00:21 +02:00
membarrier.c
pelt.c sched: Move update_other_load_avgs() to kernel/sched/pelt.c 2024-09-11 20:00:21 -10:00
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: fix bogus pressure spikes from aggregation race 2024-10-03 16:03:16 -07:00
rt.c sched: Add put_prev_task(.next) 2024-09-03 15:26:32 +02:00
sched-pelt.h
sched.h sched/core: Add ENQUEUE_RQ_SELECTED to indicate whether ->select_task_rq() was called 2024-10-07 10:16:18 -10:00
smp.h
stats.c profiling: remove profile=sleep support 2024-08-04 13:36:28 -07:00
stats.h Merge branch 'sched/urgent' into sched/core, to pick up fixes and refresh the branch 2024-07-11 10:42:33 +02:00
stop_task.c sched: Add put_prev_task(.next) 2024-09-03 15:26:32 +02:00
swait.c
syscalls.c sched_ext: Initial pull request for v6.12 2024-09-21 09:44:57 -07:00
topology.c sched/fair: Fair server interface 2024-07-29 12:22:36 +02:00
wait.c
wait_bit.c sched: Fix spelling in comments 2024-05-27 17:00:21 +02:00