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mirror of https://github.com/edk2-porting/linux-next.git synced 2024-12-20 03:04:01 +08:00
linux-next/kernel/sched
Thomas Gleixner c365c292d0 sched: Consider pi boosting in setscheduler()
If a PI boosted task policy/priority is modified by a setscheduler()
call we unconditionally dequeue and requeue the task if it is on the
runqueue even if the new priority is lower than the current effective
boosted priority. This can result in undesired reordering of the
priority bucket list.

If the new priority is less or equal than the current effective we
just store the new parameters in the task struct and leave the
scheduler class and the runqueue untouched. This is handled when the
task deboosts itself. Only if the new priority is higher than the
effective boosted priority we apply the change immediately.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
[ Rebase ontop of v3.14-rc1. ]
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: Dario Faggioli <raistlin@linux.it>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1391803122-4425-7-git-send-email-bigeasy@linutronix.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2014-02-22 18:10:04 +01:00
..
auto_group.c sched/autogroup: Fix race with task_groups list 2013-05-28 09:40:22 +02:00
auto_group.h Revert "sched/autogroup: Fix crash on reboot when autogroup is disabled" 2012-12-11 10:23:45 +01:00
clock.c sched/clock: Fixup early initialization 2014-01-23 14:48:36 +01:00
completion.c sched: Move completion code from core.c to completion.c 2013-11-06 07:49:19 +01:00
core.c sched: Consider pi boosting in setscheduler() 2014-02-22 18:10:04 +01:00
cpuacct.c cgroup: replace cftype->read_seq_string() with cftype->seq_show() 2013-12-05 12:28:04 -05:00
cpuacct.h sched/cpuacct: Initialize root cpuacct earlier 2013-04-10 13:54:20 +02:00
cpudeadline.c sched/deadline: Fix sparse static warnings 2014-01-16 09:27:03 +01:00
cpudeadline.h sched/deadline: speed up SCHED_DEADLINE pushes with a push-heap 2014-01-13 13:46:46 +01:00
cpupri.c sched: Fix some kernel-doc warnings 2013-07-18 09:58:21 +02:00
cpupri.h
cputime.c sched: Implement task_nice() as static inline function 2014-02-09 15:28:23 +01:00
deadline.c sched: Remove some #ifdeffery 2014-02-21 21:43:18 +01:00
debug.c sched: Add statistic for newidle load balance cost 2014-02-11 09:58:18 +01:00
fair.c sched: Fix hotplug task migration 2014-02-21 21:43:18 +01:00
features.h sched/numa: Resist moving tasks towards nodes with fewer hinting faults 2013-10-09 12:40:27 +02:00
idle_task.c sched: Remove some #ifdeffery 2014-02-21 21:43:18 +01:00
idle.c sched/idle: Move cpu/idle.c to sched/idle.c 2014-02-11 09:58:30 +01:00
Makefile sched/idle: Move cpu/idle.c to sched/idle.c 2014-02-11 09:58:30 +01:00
proc.c sched: Change get_rq_runnable_load() to static and inline 2013-06-27 10:07:44 +02:00
rt.c sched: Remove some #ifdeffery 2014-02-21 21:43:18 +01:00
sched.h sched: Remove some #ifdeffery 2014-02-21 21:43:18 +01:00
stats.c fix a leak in /proc/schedstats 2013-04-29 15:41:45 -04:00
stats.h sched: Micro-optimize by dropping unnecessary task_rq() calls 2013-09-25 13:51:06 +02:00
stop_task.c sched: Fix hotplug task migration 2014-02-21 21:43:18 +01:00
wait.c sched: Move wait code from core.c to wait.c 2013-11-06 07:49:18 +01:00