cpu hotplug · Maintained

Maintainers

• M Thomas Gleixner <tglx@kernel.org>
• M Peter Zijlstra <peterz@infradead.org>

Paths

• F include/linux/cpu.h
• F include/linux/cpuhotplug.h
• F include/linux/cpuhplock.h
• F include/linux/smpboot.h
• F kernel/cpu.c
• F kernel/smpboot.*
• F rust/helpers/cpu.c
• F rust/kernel/cpu.rs

Last 30 days

Most active threads (last 7 days)

• HOTtoday [PATCH v19 00/40] DEPT(DEPendency Tracker)
  2026-07-06 06:20 · 1 reply in 7d · Byungchul Park <byungchul@sk.com>

Recent patches

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

• HOTtoday [PATCH v19 26/40] cpu/hotplug: use a weaker annotation in AP thread
  2026-07-06 · Byungchul Park <byungchul@sk.com>
• WARM2d [PATCH 18/23] cpu/hotplug: Add a new cpuhp_offline_cb() API
  2026-04-21 · Waiman Long <longman@redhat.com>
• WARM2d [PATCH 10/23] cpu: Use RCU to protect access of HK_TYPE_TIMER cpumask
  2026-04-21 · Waiman Long <longman@redhat.com>
• STALE158d [PATCH 11/33] cpu: Provide lockdep check for CPU hotplug lock write-held
  2026-01-25 · Frederic Weisbecker <frederic@kernel.org>
• STALE158d [PATCH 02/33] cpu: Revert "cpu/hotplug: Prevent self deadlock on CPU hot-unplug"
  2026-01-25 · Frederic Weisbecker <frederic@kernel.org>
• STALE133d REVIEWED: 2 (2M) [PATCH 29/33] sched/arm64: Move fallback task cpumask to HK_TYPE_DOMAIN
  2026-01-01 · Frederic Weisbecker <frederic@kernel.org>
• STALE133d [PATCH 11/33] cpu: Provide lockdep check for CPU hotplug lock write-held
  2026-01-01 · Frederic Weisbecker <frederic@kernel.org>
• STALE133d [PATCH 02/33] cpu: Revert "cpu/hotplug: Prevent self deadlock on CPU hot-unplug"
  2026-01-01 · Frederic Weisbecker <frederic@kernel.org>
• STALE186d [PATCH 29/33] sched/arm64: Move fallback task cpumask to HK_TYPE_DOMAIN
  2025-12-24 · Frederic Weisbecker <frederic@kernel.org>
• STALE186d [PATCH 11/33] cpu: Provide lockdep check for CPU hotplug lock write-held
  2025-12-24 · Frederic Weisbecker <frederic@kernel.org>
• STALE186d [PATCH 02/33] cpu: Revert "cpu/hotplug: Prevent self deadlock on CPU hot-unplug"
  2025-12-24 · Frederic Weisbecker <frederic@kernel.org>
• HOTtoday [PATCH v18 26/42] cpu/hotplug: use a weaker annotation in AP thread
  2025-12-05 · Byungchul Park <byungchul@sk.com>
• STALE195d [PATCH 27/31] sched/arm64: Move fallback task cpumask to HK_TYPE_DOMAIN
  2025-11-05 · Frederic Weisbecker <frederic@kernel.org>
• STALE195d [PATCH 10/31] cpu: Provide lockdep check for CPU hotplug lock write-held
  2025-11-05 · Frederic Weisbecker <frederic@kernel.org>
• STALE195d [PATCH 02/31] cpu: Revert "cpu/hotplug: Prevent self deadlock on CPU hot-unplug"
  2025-11-05 · Frederic Weisbecker <frederic@kernel.org>
• STALE242d [PATCH 27/33] sched/arm64: Move fallback task cpumask to HK_TYPE_DOMAIN
  2025-10-13 · Frederic Weisbecker <frederic@kernel.org>
• STALE242d [PATCH 10/33] cpu: Provide lockdep check for CPU hotplug lock write-held
  2025-10-13 · Frederic Weisbecker <frederic@kernel.org>
• STALE242d [PATCH 02/33] cpu: Revert "cpu/hotplug: Prevent self deadlock on CPU hot-unplug"
  2025-10-13 · Frederic Weisbecker <frederic@kernel.org>
• STALE217d [PATCH v17 29/47] cpu/hotplug: use a weaker annotation in AP thread
  2025-10-02 · Byungchul Park <byungchul@sk.com>
• STALE354d LANDED [PATCH v2 1/2] device: rust: rename Device::as_ref() to Device::from_raw()
  2025-07-11 · Alice Ryhl <aliceryhl@google.com>
• STALE362d [PATCH] drm: rust: rename Device::as_ref() to Device::from_raw()
  2025-07-09 · Alice Ryhl <aliceryhl@google.com>
• STALE346d [PATCH v16 29/42] cpu/hotplug: use a weaker annotation in AP thread
  2025-05-19 · Byungchul Park <byungchul@sk.com>
• STALE416d [PATCH v15 30/43] cpu/hotplug: use a weaker annotation in AP thread
  2025-05-13 · Byungchul Park <byungchul@sk.com>
• STALE480d [PATCH *-next 02/18] cpu: Remove needless return in void API suspend_enable_secondary_cpus()
  2025-02-21 · Zijun Hu <hidden>
• STALE335d REVIEWED: 7 (7M) [PATCH v11 7/8] rust: Add read_poll_timeout functions
  2025-02-20 · FUJITA Tomonori <fujita.tomonori@gmail.com>
• STALE502d [PATCH v10 7/8] rust: Add read_poll_timeout functions
  2025-02-07 · FUJITA Tomonori <fujita.tomonori@gmail.com>
• STALE520d [PATCH v9 7/8] rust: Add read_poll_timeout functions
  2025-01-25 · FUJITA Tomonori <fujita.tomonori@gmail.com>
• STALE528d [PATCH v8 6/7] rust: Add read_poll_timeout functions
  2025-01-16 · FUJITA Tomonori <fujita.tomonori@gmail.com>
• STALE552d [PATCH v7 6/7] rust: Add read_poll_timeout functions
  2024-12-20 · FUJITA Tomonori <fujita.tomonori@gmail.com>
• STALE563d [PATCH v6 6/7] rust: Add read_poll_timeout functions
  2024-11-14 · FUJITA Tomonori <fujita.tomonori@gmail.com>

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.

• STALE186d [PATCH 02/33] cpu: Revert "cpu/hotplug: Prevent self deadlock on CPU hot-unplug"
  2025-12-24 · Frederic Weisbecker <frederic@kernel.org>
• STALE186d [PATCH 11/33] cpu: Provide lockdep check for CPU hotplug lock write-held
  2025-12-24 · Frederic Weisbecker <frederic@kernel.org>
• STALE133d [PATCH 02/33] cpu: Revert "cpu/hotplug: Prevent self deadlock on CPU hot-unplug"
  2026-01-01 · Frederic Weisbecker <frederic@kernel.org>
• STALE133d [PATCH 11/33] cpu: Provide lockdep check for CPU hotplug lock write-held
  2026-01-01 · Frederic Weisbecker <frederic@kernel.org>
• STALE158d [PATCH 02/33] cpu: Revert "cpu/hotplug: Prevent self deadlock on CPU hot-unplug"
  2026-01-25 · Frederic Weisbecker <frederic@kernel.org>
• STALE158d [PATCH 11/33] cpu: Provide lockdep check for CPU hotplug lock write-held
  2026-01-25 · Frederic Weisbecker <frederic@kernel.org>