context tracking · Maintained

Maintainers

• M Frederic Weisbecker <frederic@kernel.org>
• M "Paul E. McKenney" <paulmck@kernel.org>

Paths

• F include/linux/context_tracking*
• F kernel/context_tracking.c

Last 30 days

Most active threads (last 7 days)

• COOLING6d [PATCH v4 00/11] Dynamic Housekeeping Management (DHM) via CPUSets
  2026-07-10 03:29 · 1 reply in 7d · Jing Wu <hidden>

Active reviewers (last 30 days)

• Qiliang Yuan <hidden>
  1 attestation (1 Co-developed-by) · last on 2026-07-10

Recent patches

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

• COOLING6d [PATCH v4 04/11] context_tracking: allow runtime per-CPU user tracking enable/disable
  2026-07-10 · Jing Wu <hidden>
• COLD22d [PATCH v3 06/13] tick/nohz, context_tracking: Prepare for runtime nohz_full updates
  2026-06-18 · Jing Wu <hidden>
• COLD38d [PATCH] kernel: Change word in comment to a correct form to convey the meaning
  2026-06-07 · Bhaskar Chowdhury <hidden>
• COOLING7d [PATCH 04/23] tick/nohz: Allow runtime changes in full dynticks CPUs
  2026-04-21 · Waiman Long <longman@redhat.com>
• COOLING7d [PATCH 03/23] tick/nohz: Make nohz_full parameter optional
  2026-04-21 · Waiman Long <longman@redhat.com>
• STALE195d [PATCH v4 2/9] context_tracking: Remove rcu_task_trace_heavyweight_{enter,exit}()
  2025-12-29 · "Paul E. McKenney" <paulmck@kernel.org>
• STALE198d [PATCH] context_tracking: fix spelling of "occurring" in comment
  2025-12-29 · Chaitanya Mishra <hidden>
• STALE208d [PATCH v7 24/31] context-tracking: Introduce work deferral infrastructure
  2025-11-14 · Valentin Schneider <vschneid@redhat.com>
• DORMANTno replies [PATCH 2/9] context_tracking: Remove rcu_task_trace_heavyweight_{enter,exit}()
  2025-11-03 · "Paul E. McKenney" <paulmck@kernel.org>
• STALE251d [PATCH v6 23/29] context-tracking: Introduce work deferral infrastructure
  2025-10-10 · Valentin Schneider <vschneid@redhat.com>
• STALE281d [PATCH v2 03/21] context_tracking: Remove rcu_task_trace_heavyweight_{enter,exit}()
  2025-10-01 · "Paul E. McKenney" <paulmck@kernel.org>
• STALE293d [PATCH 06/34] context_tracking: Remove rcu_task_trace_heavyweight_{enter,exit}()
  2025-09-23 · "Paul E. McKenney" <paulmck@kernel.org>
• STALE341d [RFC PATCH 13/18] tick/nohz: Allow runtime changes in full dynticks CPUs
  2025-08-08 · Waiman Long <longman@redhat.com>
• STALE341d [RFC PATCH 11/18] tick/nohz: Make nohz_full parameter optional
  2025-08-08 · Waiman Long <longman@redhat.com>
• STALE398d [PATCH 1/2] context_tracking: Provide helper to determine if we're in IRQ
  2025-06-09 · Joel Fernandes <joelagnelf@nvidia.com>
• STALE369d Re: [QUESTION] problems report: rcu_read_unlock_special() called in irq_exit() causes dead loop
  2025-06-04 · Joel Fernandes <joelagnelf@nvidia.com>
• STALE436d [PATCH v5 24/25] context-tracking: Introduce work deferral infrastructure
  2025-04-29 · Valentin Schneider <vschneid@redhat.com>
• STALE454d Re: Interface for enabling context tracking
  2025-04-11 · Frederic Weisbecker <frederic@kernel.org>
• STALE498d REVIEWED: 7 (7M) [PATCH rcu 06/10] context_tracking: Make RCU watch ct_kernel_exit_state() warning
  2025-03-05 · Boqun Feng <hidden>
• STALE524d LANDED: 7 (7M) [PATCH rcu 6/5] Make RCU watch ct_kernel_exit_state() warning
  2025-02-06 · "Paul E. McKenney" <paulmck@kernel.org>
• STALE525d [PATCH RFC context_tracking] Make RCU watch ct_kernel_exit_state() warning
  2025-02-01 · "Paul E. McKenney" <paulmck@kernel.org>
• STALE476d [PATCH v4 24/30] context-tracking: Introduce work deferral infrastructure
  2025-01-14 · Valentin Schneider <vschneid@redhat.com>
• STALE476d [PATCH v4 22/30] context_tracking: Exit CT_STATE_IDLE upon irq/nmi entry
  2025-01-14 · Valentin Schneider <vschneid@redhat.com>
• STALE476d [PATCH v4 21/30] context_tracking: Explicitely use CT_STATE_KERNEL where it is missing
  2025-01-14 · Valentin Schneider <vschneid@redhat.com>
• STALE582d [RFC PATCH v3 11/15] context-tracking: Introduce work deferral infrastructure
  2024-11-19 · Valentin Schneider <vschneid@redhat.com>
• STALE644d REVIEWED: 8 (8M) [PATCH v2 09/10] context_tracking: Invoke RCU-tasks enter/exit for NMI context
  2024-10-09 · neeraj.upadhyay@kernel.org
• STALE698d REVIEWED: 6 (6M) [PATCH rcu 25/26] context_tracking, rcu: Rename rcu_dyntick trace event into rcu_watching
  2024-08-16 · neeraj.upadhyay@kernel.org
• STALE698d REVIEWED: 6 (6M) [PATCH rcu 14/26] context_tracking, rcu: Rename rcu_dynticks_curr_cpu_in_eqs() into rcu_is_watching_curr_cpu()
  2024-08-16 · neeraj.upadhyay@kernel.org
• STALE698d REVIEWED: 6 (6M) [PATCH rcu 13/26] context_tracking, rcu: Rename rcu_dynticks_task*() into rcu_task*()
  2024-08-16 · neeraj.upadhyay@kernel.org
• STALE698d REVIEWED: 6 (6M) [PATCH rcu 12/26] context_tracking, rcu: Rename DYNTICK_IRQ_NONIDLE into CT_NESTING_IRQ_NONIDLE
  2024-08-16 · neeraj.upadhyay@kernel.org

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.

• STALE195d [PATCH v4 2/9] context_tracking: Remove rcu_task_trace_heavyweight_{enter,exit}()
  2025-12-29 · "Paul E. McKenney" <paulmck@kernel.org>