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Peter Zijlstra 0754d5caac sched: Deadline has dynamic priority 
[ Upstream commit e008ec6c79 ]

While FIFO/RR have static priority, DEADLINE is a dynamic priority
scheme. Notably it has static priority -1. Do not assume the priority
doesn't change for deadline tasks just because the static priority
doesn't change.

This ensures DL always sees {DE,EN}QUEUE_MOVE where appropriate.

Fixes: ff77e46853 ("sched/rt: Fix PI handling vs. sched_setscheduler()")
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Tested-by: Pierre Gondois <pierre.gondois@arm.com>
Tested-by: Juri Lelli <juri.lelli@redhat.com>
Link: https://patch.msgid.link/20260114130528.GB831285@noisy.programming.kicks-ass.net
Signed-off-by: Sasha Levin <sashal@kernel.org>
2026-01-23 11:21:23 +01:00
..
autogroup.c
sched: Clean up and standardize #if/#else/#endif markers in sched/autogroup.[ch]
2025-06-13 08:47:14 +02:00
autogroup.h
sched: Clean up and standardize #if/#else/#endif markers in sched/autogroup.[ch]
2025-06-13 08:47:14 +02:00
build_policy.c
sched_ext: Move internal type and accessor definitions to ext_internal.h
2025-09-03 11:33:28 -10:00
build_utility.c
sched/smp: Make SMP unconditional
2025-06-13 08:47:18 +02:00
clock.c
sched: Clean up and standardize #if/#else/#endif markers in sched/clock.c
2025-06-13 08:47:14 +02:00
completion.c
sched: Make clangd usable
2025-06-11 11:20:53 +02:00
core_sched.c
sched: Make clangd usable
2025-06-11 11:20:53 +02:00
core.c
sched: Deadline has dynamic priority
2026-01-23 11:21:23 +01:00
cpuacct.c
sched: Make clangd usable
2025-06-11 11:20:53 +02:00
cpudeadline.c
sched/deadline: only set free_cpus for online runqueues
2026-01-02 12:56:38 +01:00
cpudeadline.h
sched/deadline: only set free_cpus for online runqueues
2026-01-02 12:56:38 +01:00
cpufreq_schedutil.c
sched: Clean up and standardize #if/#else/#endif markers in sched/cpufreq_schedutil.c
2025-06-13 08:47:15 +02:00
cpufreq.c
sched: Make clangd usable
2025-06-11 11:20:53 +02:00
cpupri.c
sched: Make clangd usable
2025-06-11 11:20:53 +02:00
cpupri.h
sched/smp: Make SMP unconditional
2025-06-13 08:47:18 +02:00
cputime.c
sched: Clean up and standardize #if/#else/#endif markers in sched/cputime.c
2025-06-13 08:47:15 +02:00
deadline.c
sched/deadline: Avoid double update_rq_clock()
2026-01-23 11:21:23 +01:00
debug.c
sched/eevdf: Fix min_vruntime vs avg_vruntime
2026-01-08 10:16:41 +01:00
ext_idle.c
sched_ext: Merge branch 'for-6.17-fixes' into for-6.18
2025-09-23 09:10:20 -10:00
ext_idle.h
sched_ext: Always use SMP versions in kernel/sched/ext_idle.h
2025-06-13 14:47:59 -10:00
ext_internal.h
sched_ext: Add SCX_EFLAG_INITIALIZED to indicate successful ops.init()
2025-09-23 09:03:26 -10:00
ext.c
sched_ext: fix uninitialized ret on alloc_percpu() failure
2026-01-08 10:16:43 +01:00
ext.h
sched_ext: Use cgroup_lock/unlock() to synchronize against cgroup operations
2025-09-03 11:36:07 -10:00
fair.c
sched/fair: Proportional newidle balance
2026-01-11 15:26:19 +01:00
features.h
sched/fair: Proportional newidle balance
2026-01-11 15:26:19 +01:00
idle.c
sched/smp: Use the SMP version of the idle scheduling class
2025-06-13 08:47:21 +02:00
isolation.c
sched: Make clangd usable
2025-06-11 11:20:53 +02:00
loadavg.c
Merge branch 'tip/sched/urgent'
2025-07-14 17:16:28 +02:00
Makefile
tracing: Disable branch profiling in noinstr code
2025-03-22 09:49:26 +01:00
membarrier.c
sched: Make clangd usable
2025-06-11 11:20:53 +02:00
pelt.c
sched: Clean up and standardize #if/#else/#endif markers in sched/pelt.[ch]
2025-06-13 08:47:17 +02:00
pelt.h
sched/fair: Switch to task based throttle model
2025-09-03 10:03:14 +02:00
psi.c
sched/psi: Fix psi_seq initialization
2025-08-04 10:51:22 -07:00
rq-offsets.c
sched: Make migrate_{en,dis}able() inline
2025-09-25 09:57:16 +02:00
rt.c
sched/proxy: Yield the donor task
2026-01-08 10:16:41 +01:00
sched-pelt.h
sched: Make clangd usable
2025-06-11 11:20:53 +02:00
sched.h
sched/fair: Proportional newidle balance
2026-01-11 15:26:19 +01:00
smp.h
sched: Make clangd usable
2025-06-11 11:20:53 +02:00
stats.c
sched/smp: Use the SMP version of schedstats
2025-06-13 08:47:21 +02:00
stats.h
sched/core: Fix psi_dequeue() for Proxy Execution
2025-12-18 14:03:32 +01:00
stop_task.c
sched/smp: Use the SMP version of the stop-CPU scheduling class
2025-06-13 08:47:21 +02:00
swait.c
sched: Make clangd usable
2025-06-11 11:20:53 +02:00
syscalls.c
sched: Deadline has dynamic priority
2026-01-23 11:21:23 +01:00
topology.c
sched/fair: Proportional newidle balance
2026-01-11 15:26:19 +01:00
wait_bit.c
sched: Make clangd usable
2025-06-11 11:20:53 +02:00
wait.c
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
2025-07-30 17:14:01 -07:00