Peter Zijlstra 3f1bc119cd sched: Optimize migration_cpu_stop() ...

When the purpose of migration_cpu_stop() is to migrate the task to
'any' valid CPU, don't migrate the task when it's already running on a
valid CPU.

Fixes: 6d337eab04 ("sched: Fix migrate_disable() vs set_cpus_allowed_ptr()")
Cc: stable@kernel.org
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Reviewed-by: Valentin Schneider <valentin.schneider@arm.com>
Link: https://lkml.kernel.org/r/20210224131355.569238629@infradead.org

2021-03-06 12:40:21 +01:00

..

autogroup.c

sched/autogroup: Make autogroup_path() always available

2019-06-24 19:23:40 +02:00

autogroup.h

sched/headers: Simplify and clean up header usage in the scheduler

2018-03-04 12:39:29 +01:00

clock.c

sched/clock: Use static_branch_likely() with sched_clock_running

2019-11-29 08:10:54 +01:00

completion.c

completion: Use lockdep_assert_RT_in_threaded_ctx() in complete_all()

2020-03-23 18:40:25 +01:00

core.c

sched: Optimize migration_cpu_stop()

2021-03-06 12:40:21 +01:00

cpuacct.c

sched/cpuacct: Fix charge cpuacct.usage_sys

2020-05-19 20:34:14 +02:00

cpudeadline.c

sched,rt: Use the full cpumask for balancing

2020-11-10 18:39:00 +01:00

cpudeadline.h

sched/headers: Simplify and clean up header usage in the scheduler

2018-03-04 12:39:29 +01:00

cpufreq_schedutil.c

Merge tag 'pm-5.12-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

2021-02-23 14:59:46 -08:00

cpufreq.c

cpufreq: Avoid leaving stale IRQ work items during CPU offline

2019-12-12 17:59:43 +01:00

cpupri.c

Merge branch 'sched/migrate-disable'

2020-11-10 18:39:04 +01:00

cpupri.h

sched/cpupri: Add CPUPRI_HIGHER

2020-10-29 11:00:30 +01:00

cputime.c

irqtime: Move irqtime entry accounting after irq offset incrementation

2020-12-02 20:20:05 +01:00

deadline.c

sched/features: Distinguish between NORMAL and DEADLINE hrtick

2021-02-17 14:12:42 +01:00

debug.c

sched: Use task_current() instead of 'rq->curr == p'

2021-01-14 11:20:11 +01:00

fair.c

kernel: delete repeated words in comments

2021-02-26 09:41:03 -08:00

features.h

sched/features: Distinguish between NORMAL and DEADLINE hrtick

2021-02-17 14:12:42 +01:00

idle.c

rcu/nocb: Perform deferred wake up before last idle's need_resched() check

2021-02-17 14:12:43 +01:00

isolation.c

isolcpus: Affine unbound kernel threads to housekeeping cpus

2020-06-15 14:10:03 +02:00

loadavg.c

sched: nohz: stop passing around unused "ticks" parameter.

2020-07-22 10:22:04 +02:00

Makefile

kcsan: Improve various small stylistic details

2019-11-20 10:47:23 +01:00

membarrier.c

kernel: delete repeated words in comments

2021-02-26 09:41:03 -08:00

pelt.c

sched: Add a tracepoint to track rq->nr_running

2020-07-08 11:39:02 +02:00

pelt.h

sched/pelt: Cleanup PELT divider

2020-06-15 14:10:06 +02:00

psi.c

sched,psi: Convert to sched_set_fifo_low()

2020-06-15 14:10:25 +02:00

rt.c

sched: Use task_current() instead of 'rq->curr == p'

2021-01-14 11:20:11 +01:00

sched-pelt.h

sched/fair: Fix "runnable_avg_yN_inv" not used warnings

2019-06-17 12:15:58 +02:00

sched.h

sched/features: Distinguish between NORMAL and DEADLINE hrtick

2021-02-17 14:12:42 +01:00

smp.h

sched/headers: Split out open-coded prototypes into kernel/sched/smp.h

2020-05-28 11:03:20 +02:00

stats.c

proc: introduce proc_create_seq{,_data}

2018-05-16 07:23:35 +02:00

stats.h

psi: Move PF_MEMSTALL out of task->flags

2020-03-20 13:06:19 +01:00

stop_task.c

sched: Remove select_task_rq()'s sd_flag parameter

2020-11-10 18:39:06 +01:00

swait.c

sched/swait: Prepare usage in completions

2020-03-21 16:00:23 +01:00

topology.c

sched/topology: Fix sched_domain_topology_level alloc in sched_init_numa()

2021-02-17 14:08:05 +01:00

wait_bit.c

sched/wait: fix ___wait_var_event(exclusive)

2019-12-17 13:32:50 +01:00

wait.c

sched/wait: Add add_wait_queue_priority()

2020-11-15 09:49:09 -05:00