scheduler · Maintained

Maintainers

M Ingo Molnar <mingo@redhat.com>
M Peter Zijlstra <peterz@infradead.org>
M Juri Lelli <juri.lelli@redhat.com>
M Vincent Guittot <vincent.guittot@linaro.org>
R Dietmar Eggemann <dietmar.eggemann@arm.com>
R Steven Rostedt <rostedt@goodmis.org>
R Ben Segall <bsegall@google.com>
R Mel Gorman <mgorman@suse.de>
R Valentin Schneider <vschneid@redhat.com>
R K Prateek Nayak <kprateek.nayak@amd.com>

Paths

F include/linux/preempt.h
F include/linux/sched.h
F include/linux/wait.h
F include/uapi/linux/sched.h
F kernel/fork.c
F kernel/sched/
F tools/sched/

Last 30 days

Most active threads (last 7 days)

[PATCH] sched/core: keep offline cpus out of core-wide selections
2026-11-01 22:12 · 0 replies in 7d · Ahmed Abdelraoof <hidden>
HOTtoday Linux 7.2.15
2026-11-01 12:57 · 1 reply in 7d · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
WARM2d PENDING · 1031 of 1887 reviewed [PATCH 6.1 0000/1887] 6.1.191-rc1 review
2026-10-28 19:55 · 9 replies in 7d · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
[PATCH 2/2] sched_ext: Fix ops.enqueue/dispatch() calls before ops.cpu_online()
2026-10-31 17:05 · 0 replies in 7d · Tejun Heo <tj@kernel.org>
[PATCH 1/2] sched_ext: Factor out drain_offline_rq()
2026-10-31 17:05 · 0 replies in 7d · Tejun Heo <tj@kernel.org>
HOTtoday [PATCH v4 sched_ext/for-7.4-fixes] sched_ext: Fix stale pick when the donor changes during dispatch
2026-10-31 16:28 · 0 replies in 7d · Tejun Heo <tj@kernel.org>
WARM1d PENDING · 6 of 10 reviewed [PATCH 7.2 00/10] 7.2.15-rc1 review
2026-10-30 12:15 · 2 replies in 7d · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
HOTtoday REVIEWED [PATCH v3 00/47] mm: various (urgent?) fixes
2026-10-31 09:40 · 1 reply in 7d · David Hildenbrand (Arm) <david@kernel.org>
WARM2d PENDING · 96 of 247 reviewed [PATCH 6.12 000/247] 6.12.115-rc1 review
2026-10-28 17:21 · 4 replies in 7d · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
WARM3d PENDING · 24 of 88 reviewed [PATCH 7.2 00/88] 7.2.14-rc1 review
2026-10-28 17:09 · 4 replies in 7d · Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Active reviewers (last 30 days)

Oleg Nesterov <oleg@redhat.com>
41 attestations (20 Acked-by, 13 Reviewed-by, 8 Suggested-by) · last on 2026-10-30
Andrea Righi <arighi@nvidia.com>
29 attestations (1 Acked-by, 1 Reported-by, 27 Reviewed-by) · last on 2026-10-28
Chris Mason <mason@kernel.org>
10 attestations (10 Reported-by) · last on 2026-10-28
Chen Yu <yu.c.chen@intel.com>
10 attestations (1 Co-developed-by, 5 Reviewed-by, 2 Suggested-by, 2 Tested-by) · last on 2026-10-24
Xiangyu Bu <hidden>
9 attestations (9 Reported-by) · last on 2026-10-28
Alap Mohan <hidden>
9 attestations (9 Reported-by) · last on 2026-10-17
Joonwoo Park <hidden>
9 attestations (9 Reported-by) · last on 2026-10-17
Klaus Kusche <hidden>
6 attestations (3 Reported-by, 3 Tested-by) · last on 2026-10-24
Kayra Cizmeci <hidden>
6 attestations (3 Reviewed-by, 3 Suggested-by) · last on 2026-10-24
Tim Chen <hidden>
5 attestations (4 Reviewed-by, 1 Suggested-by) · last on 2026-10-24

Recent patches

Most-recent 30 patches in this subsystem on stable (capped at 30), ordered by date desc.

[PATCH] sched/core: keep offline cpus out of core-wide selections
2026-11-01 · Ahmed Abdelraoof <hidden>
Re: Linux 7.2.15
2026-11-01 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
[PATCH 2/2] sched_ext: Fix ops.enqueue/dispatch() calls before ops.cpu_online()
2026-10-31 · Tejun Heo <tj@kernel.org>
[PATCH 1/2] sched_ext: Factor out drain_offline_rq()
2026-10-31 · Tejun Heo <tj@kernel.org>
HOTtoday [PATCH v4 sched_ext/for-7.4-fixes] sched_ext: Fix stale pick when the donor changes during dispatch
2026-10-31 · Tejun Heo <tj@kernel.org>
HOTtoday REVIEWED: 9 (8M) [PATCH v3 02/47] fork: take mmap_lock before copying mm_struct
2026-10-31 · David Hildenbrand (Arm) <david@kernel.org>
WARM2d [PATCH] kcsan: Reset per-task KCSAN state on fork
2026-10-30 · Marco Elver <elver@google.com>
WARM2d Re: Linux 7.3.1
2026-10-30 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
WARM2d Re: Linux 6.18.60
2026-10-30 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
WARM2d Re: Linux 6.12.115
2026-10-30 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
WARM2d Re: Linux 6.6.161
2026-10-30 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Re: Linux 5.15.224
2026-10-30 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Re: Linux 5.10.273
2026-10-30 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
WARM1d REVIEWED: 1 (1M) [PATCH 7.2 09/10] fork: move the coredump and exec checks into create_io_thread()
2026-10-30 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
WARM1d REVIEWED: 1 (1M) [PATCH 7.2 10/10] fork: dont create io threads once PF_POSTCOREDUMP is set
2026-10-30 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Re: Linux 7.2.14
2026-10-30 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
WARM1d SUPERSEDED: 7 (7M) [PATCH v2 02/47] fork: take mmap_lock before copying mm_struct
2026-10-29 · David Hildenbrand (Arm) <david@kernel.org>
REVIEWED: 1 (1M) [PATCH 5.10.y] signal: allow taks to temporarily block TIF_NOTIFY_SIGNAL
2026-10-28 · Sasha Levin <sashal@kernel.org>
REVIEWED: 1 (1M) [PATCH 5.15.y] signal: allow taks to temporarily block TIF_NOTIFY_SIGNAL
2026-10-28 · Sasha Levin <sashal@kernel.org>
REVIEWED: 1 (1M) [PATCH 6.1.y 2/2] fork: don't create io threads once PF_POSTCOREDUMP is set
2026-10-28 · Sasha Levin <sashal@kernel.org>
COOLING4d REVIEWED: 1 (1M) [PATCH 6.1.y 1/2] fork: move the coredump and exec checks into create_io_thread()
2026-10-28 · Sasha Levin <sashal@kernel.org>
WARM2d REVIEWED: 3 (2M) [PATCH 6.1 1869/1887] sched/psi: Create the psimon kthread outside of cgroup_mutex
2026-10-28 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
WARM2d [PATCH 6.1 1789/1887] futex: Fix mm reuse handling for FUT_OFF_MMSHARED
2026-10-28 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
WARM2d REVIEWED: 1 (1M) [PATCH 6.1 1819/1887] signal: allow taks to temporarily block TIF_NOTIFY_SIGNAL
2026-10-28 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
REVIEWED: 1 (1M) [PATCH 6.6.y 2/2] fork: don't create io threads once PF_POSTCOREDUMP is set
2026-10-28 · Sasha Levin <sashal@kernel.org>
COOLING4d REVIEWED: 1 (1M) [PATCH 6.6.y 1/2] fork: move the coredump and exec checks into create_io_thread()
2026-10-28 · Sasha Levin <sashal@kernel.org>
REVIEWED: 4 (0M) [PATCH 5.15.y 1/2] sched: Allow sched_cgroup_fork() to fail and introduce sched_cancel_fork()
2026-10-28 · Sasha Levin <sashal@kernel.org>
[PATCH 5.15.y 2/2] fork: release the files of a failed fork after sched_cancel_fork()
2026-10-28 · Sasha Levin <sashal@kernel.org>
WARM2d REVIEWED: 1 (1M) [PATCH 6.1 1391/1887] sched/core: Make core-sched flips wait for in-flight selections
2026-10-28 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
WARM2d [PATCH 6.1 0939/1887] sched/deadline: Fix missing ENQUEUE_REPLENISH during PI de-boosting
2026-10-28 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Needs attention (review trailers in, no pickup)

Patches with review trailers that haven't landed in mainline and haven't been Acked by a maintainer. Oldest first.

DORMANTno replies REVIEWED: 3 (3M) [PATCH 6.18] sched/debug: Fix avg_vruntime() usage
2026-04-23 · John Stultz <jstultz@google.com> · 1 Reviewed-by, 2 Tested-by
STALE189d REVIEWED: 3 (3M) [PATCH 6.18 16/55] sched/debug: Fix avg_vruntime() usage +54 more in this series
2026-04-24 · Greg Kroah-Hartman <gregkh@linuxfoundation.org> · 1 Reviewed-by, 2 Tested-by
DORMANTno replies REVIEWED: 2 (2M) [tip: sched/urgent] rseq: Revert to historical performance killing behaviour
2026-05-01 · tip-bot2 for Thomas Gleixner <hidden> · 1 Reviewed-by, 1 Tested-by
DORMANTno replies REVIEWED: 2 (2M) [tip: sched/urgent] rseq: Revert to historical performance killing behaviour
2026-05-05 · tip-bot2 for Thomas Gleixner <hidden> · 1 Reviewed-by, 1 Tested-by
STALE172d REVIEWED: 1 (1M) FAILED: patch "[PATCH] sched_ext: Read scx_root under scx_cgroup_ops_rwsem in cgroup" failed to apply to 6.18-stable tree
2026-05-12 · gregkh@linuxfoundation.org · 1 Reviewed-by
DORMANTno replies REVIEWED: 2 (2M) FAILED: patch "[PATCH] rseq: Revert to historical performance killing behaviour" failed to apply to 7.0-stable tree
2026-05-12 · gregkh@linuxfoundation.org · 1 Reviewed-by, 1 Tested-by
STALE167d REVIEWED: 1 (1M) FAILED: patch "[PATCH] sched_ext: Guard scx_dsq_move() against NULL kit->dsq after" failed to apply to 6.12-stable tree
2026-05-12 · gregkh@linuxfoundation.org · 1 Reviewed-by
STALE167d REVIEWED: 1 (1M) FAILED: patch "[PATCH] sched_ext: Guard scx_dsq_move() against NULL kit->dsq after" failed to apply to 6.18-stable tree
2026-05-12 · gregkh@linuxfoundation.org · 1 Reviewed-by
DORMANTno replies REVIEWED: 1 (1M) FAILED: patch "[PATCH] sched_ext: Make bypass LB cpumasks per-scheduler" failed to apply to 7.0-stable tree
2026-05-12 · gregkh@linuxfoundation.org · 1 Reviewed-by
STALE167d REVIEWED: 1 (1M) FAILED: patch "[PATCH] sched_ext: Pass held rq to SCX_CALL_OP() for" failed to apply to 6.18-stable tree
2026-05-12 · gregkh@linuxfoundation.org · 1 Reviewed-by

Quiet for 30+ days

Patches with no review trailers and no replies. Either the author is heads-down elsewhere or these slipped through. Oldest first.

DORMANTno replies [tip: sched/core] sched: Use u64 for bandwidth ratio calculations
2026-04-07 · tip-bot2 for Joseph Salisbury <hidden>
DORMANTno replies [PATCH 6.18.y 2/2] sched_ext: Fix stale direct dispatch state in ddsp_dsq_id
2026-04-08 · Sasha Levin <sashal@kernel.org>
DORMANTno replies [PATCH 6.12.y] sched_ext: Fix stale direct dispatch state in ddsp_dsq_id
2026-04-08 · Sasha Levin <sashal@kernel.org>
STALE206d [PATCH 6.18 277/277] sched_ext: Fix stale direct dispatch state in ddsp_dsq_id +276 more in this series
2026-04-08 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
STALE179d [PATCH 6.19 282/311] sched_ext: Fix stale direct dispatch state in ddsp_dsq_id +310 more in this series
2026-04-08 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
STALE204d Re: Linux 6.6.134
2026-04-11 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
DORMANTno replies Re: Linux 6.12.81
2026-04-11 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
STALE192d Re: Linux 6.18.22
2026-04-11 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
DORMANTno replies Re: Linux 6.19.12
2026-04-11 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
STALE198d [PATCH 6.12 25/70] sched_ext: Fix stale direct dispatch state in ddsp_dsq_id +69 more in this series
2026-04-13 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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