Dietmar Eggemann 2ef269ef1a cgroup/cpuset: Free DL BW in case can_attach() fails ...

cpuset_can_attach() can fail. Postpone DL BW allocation until all tasks
have been checked. DL BW is not allocated per-task but as a sum over
all DL tasks migrating.

If multiple controllers are attached to the cgroup next to the cpuset
controller a non-cpuset can_attach() can fail. In this case free DL BW
in cpuset_cancel_attach().

Finally, update cpuset DL task count (nr_deadline_tasks) only in
cpuset_attach().

Suggested-by: Waiman Long <longman@redhat.com>
Signed-off-by: Dietmar Eggemann <dietmar.eggemann@arm.com>
Signed-off-by: Juri Lelli <juri.lelli@redhat.com>
Reviewed-by: Waiman Long <longman@redhat.com>
Signed-off-by: Tejun Heo <tj@kernel.org>

2023-05-08 13:22:33 -10:00

..

autogroup.c

sched/all: Change all BUG_ON() instances in the scheduler to WARN_ON_ONCE()

2022-08-12 11:25:10 +02:00

autogroup.h

sched/headers: Add header guard to kernel/sched/stats.h and kernel/sched/autogroup.h

2022-02-23 08:22:00 +01:00

build_policy.c

sched: Fix missing prototype warnings

2022-05-01 10:03:43 +02:00

build_utility.c

sched: Fix missing prototype warnings

2022-05-01 10:03:43 +02:00

clock.c

sched/clock: Fix local_clock() before sched_clock_init()

2023-04-21 13:24:21 +02:00

completion.c

sched/completion: Add wait_for_completion_state()

2022-09-07 21:53:49 +02:00

core_sched.c

sched: Rename task_running() to task_on_cpu()

2022-09-07 21:53:47 +02:00

core.c

cgroup/cpuset: Free DL BW in case can_attach() fails

2023-05-08 13:22:33 -10:00

cpuacct.c

Merge branch 'sched/fast-headers' into sched/core

2022-03-15 09:05:05 +01:00

cpudeadline.c

sched/core: Introduce sched_asym_cpucap_active()

2022-08-02 12:32:45 +02:00

cpudeadline.h

…

cpufreq_schedutil.c

cpufreq: schedutil: make kobj_type structure constant

2023-02-23 19:57:29 +01:00

cpufreq.c

sched/headers: Introduce kernel/sched/build_utility.c and build multiple .c files there

2022-02-23 10:58:33 +01:00

cpupri.c

sched/all: Change all BUG_ON() instances in the scheduler to WARN_ON_ONCE()

2022-08-12 11:25:10 +02:00

cpupri.h

sched/cpupri: Add CPUPRI_HIGHER

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

cputime.c

cputime: remove cputime_to_nsecs fallback

2022-12-27 12:52:17 +01:00

deadline.c

sched/deadline: Create DL BW alloc, free & check overflow interface

2023-05-08 13:22:33 -10:00

debug.c

sched/debug: Put sched/domains files under the verbose flag

2023-03-17 15:24:19 +01:00

fair.c

Merge tag 'sched-core-2023-04-27' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

2023-04-28 14:53:30 -07:00

features.h

sched/fair: Introduce SIS_UTIL to search idle CPU based on sum of util_avg

2022-06-28 09:08:30 +02:00

idle.c

sched/idle: Mark arch_cpu_idle_dead() __noreturn

2023-03-08 08:44:28 -08:00

isolation.c

sched/headers: Introduce kernel/sched/build_utility.c and build multiple .c files there

2022-02-23 10:58:33 +01:00

loadavg.c

sched/headers: Introduce kernel/sched/build_utility.c and build multiple .c files there

2022-02-23 10:58:33 +01:00

Makefile

sched/headers: Introduce kernel/sched/build_policy.c and build multiple .c files there

2022-02-23 10:58:33 +01:00

membarrier.c

sched/membarrier: Introduce MEMBARRIER_CMD_GET_REGISTRATIONS

2023-01-07 11:29:29 +01:00

pelt.c

sched/headers: Introduce kernel/sched/build_policy.c and build multiple .c files there

2022-02-23 10:58:33 +01:00

pelt.h

sched/fair: Decay task PELT values during wakeup migration

2022-06-28 09:17:46 +02:00

psi.c

sched/psi: Allow unprivileged polling of N*2s period

2023-04-05 09:58:50 +02:00

rt.c

sched/rt: Fix bad task migration for rt tasks

2023-04-21 13:24:21 +02:00

sched-pelt.h

sched/fair: Fix "runnable_avg_yN_inv" not used warnings

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

sched.h

sched/deadline: Create DL BW alloc, free & check overflow interface

2023-05-08 13:22:33 -10:00

smp.h

sched, smp: Trace smp callback causing an IPI

2023-03-24 11:01:29 +01:00

stats.c

sched/headers: Introduce kernel/sched/build_utility.c and build multiple .c files there

2022-02-23 10:58:33 +01:00

stats.h

sched/psi: Use task->psi_flags to clear in CPU migration

2022-10-30 10:12:15 +01:00

stop_task.c

sched: Add update_current_exec_runtime helper

2022-08-27 00:05:35 +02:00

swait.c

sched/headers: Introduce kernel/sched/build_utility.c and build multiple .c files there

2022-02-23 10:58:33 +01:00

topology.c

sched/topology: Make sched_energy_mutex,update static

2023-03-22 10:10:57 +01:00

wait_bit.c

wait_on_bit: add an acquire memory barrier

2022-08-26 09:30:25 -07:00

wait.c

wait: Return number of exclusive waiters awaken

2022-11-16 11:33:03 -07:00