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

Recent patches

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

• STALE155d [PATCH 11/33] cpu: Provide lockdep check for CPU hotplug lock write-held
  2026-01-25 · Frederic Weisbecker <frederic@kernel.org>
• STALE155d [PATCH 02/33] cpu: Revert "cpu/hotplug: Prevent self deadlock on CPU hot-unplug"
  2026-01-25 · Frederic Weisbecker <frederic@kernel.org>
• STALE130d REVIEWED: 2 (2M) [PATCH 29/33] sched/arm64: Move fallback task cpumask to HK_TYPE_DOMAIN
  2026-01-01 · Frederic Weisbecker <frederic@kernel.org>
• STALE130d [PATCH 11/33] cpu: Provide lockdep check for CPU hotplug lock write-held
  2026-01-01 · Frederic Weisbecker <frederic@kernel.org>
• STALE130d [PATCH 02/33] cpu: Revert "cpu/hotplug: Prevent self deadlock on CPU hot-unplug"
  2026-01-01 · Frederic Weisbecker <frederic@kernel.org>
• STALE184d [PATCH 29/33] sched/arm64: Move fallback task cpumask to HK_TYPE_DOMAIN
  2025-12-24 · Frederic Weisbecker <frederic@kernel.org>
• STALE184d [PATCH 11/33] cpu: Provide lockdep check for CPU hotplug lock write-held
  2025-12-24 · Frederic Weisbecker <frederic@kernel.org>
• STALE184d [PATCH 02/33] cpu: Revert "cpu/hotplug: Prevent self deadlock on CPU hot-unplug"
  2025-12-24 · Frederic Weisbecker <frederic@kernel.org>
• COLD41d [PATCH v18 26/42] cpu/hotplug: use a weaker annotation in AP thread
  2025-12-05 · Byungchul Park <byungchul@sk.com>
• STALE192d [PATCH 27/31] sched/arm64: Move fallback task cpumask to HK_TYPE_DOMAIN
  2025-11-05 · Frederic Weisbecker <frederic@kernel.org>
• STALE192d [PATCH 10/31] cpu: Provide lockdep check for CPU hotplug lock write-held
  2025-11-05 · Frederic Weisbecker <frederic@kernel.org>
• STALE192d [PATCH 02/31] cpu: Revert "cpu/hotplug: Prevent self deadlock on CPU hot-unplug"
  2025-11-05 · Frederic Weisbecker <frederic@kernel.org>
• STALE240d [PATCH 27/33] sched/arm64: Move fallback task cpumask to HK_TYPE_DOMAIN
  2025-10-13 · Frederic Weisbecker <frederic@kernel.org>
• STALE240d [PATCH 10/33] cpu: Provide lockdep check for CPU hotplug lock write-held
  2025-10-13 · Frederic Weisbecker <frederic@kernel.org>
• STALE240d [PATCH 02/33] cpu: Revert "cpu/hotplug: Prevent self deadlock on CPU hot-unplug"
  2025-10-13 · Frederic Weisbecker <frederic@kernel.org>
• STALE214d [PATCH v17 29/47] cpu/hotplug: use a weaker annotation in AP thread
  2025-10-02 · Byungchul Park <byungchul@sk.com>
• STALE343d [PATCH v16 29/42] cpu/hotplug: use a weaker annotation in AP thread
  2025-05-19 · Byungchul Park <byungchul@sk.com>
• STALE413d [PATCH v15 30/43] cpu/hotplug: use a weaker annotation in AP thread
  2025-05-13 · Byungchul Park <byungchul@sk.com>
• STALE608d [PATCH RFC v1 2/2] genirq/cpuhotplug: Handle managed IRQs when the last CPU hotplug out in the affinity
  2024-10-31 · 'Guanjun' <hidden>
• STALE543d [RFC PATCH v3 3/3] genirq/cpuhotplug: Adjust managed irqs according to change of housekeeping CPU
  2024-10-29 · Costa Shulyupin <hidden>
• STALE585d [PATCH v14 25/28] cpu/hotplug: Use a weaker annotation in AP thread
  2024-05-08 · Byungchul Park <byungchul@sk.com>
• STALE849d [PATCH v13 14/27] cpu/hotplug: Use a weaker annotation in AP thread
  2024-03-06 · Byungchul Park <byungchul@sk.com>
• STALE863d [PATCH v12 14/27] cpu/hotplug: Use a weaker annotation in AP thread
  2024-02-21 · Byungchul Park <byungchul@sk.com>
• STALE877d Re: [RFC][PATCH 0/2] zram: decouple comp stream and comp buffer
  2024-02-07 · Sergey Senozhatsky <senozhatsky@chromium.org>
• STALE877d [RFC][PATCH 2/2] zram: move comp buffer to a dedicate per-CPU area
  2024-02-07 · Sergey Senozhatsky <senozhatsky@chromium.org>
• STALE759d [PATCH v11 14/26] locking/lockdep, cpu/hotplus: Use a weaker annotation in AP thread
  2024-01-24 · Byungchul Park <byungchul@sk.com>
• STALE997d [PATCH 6/7] fs/sysfs/group: make attribute_group pointers const
  2023-10-09 · Max Kellermann <hidden>
• STALE1047d [RESEND PATCH v10 15/25] locking/lockdep, cpu/hotplus: Use a weaker annotation in AP thread
  2023-08-21 · Byungchul Park <byungchul@sk.com>
• STALE1096d [PATCH v10 rebased on v6.4 15/25] locking/lockdep, cpu/hotplus: Use a weaker annotation in AP thread
  2023-07-03 · Byungchul Park <byungchul@sk.com>
• STALE1102d [PATCH v10 15/25] locking/lockdep, cpu/hotplus: Use a weaker annotation in AP thread
  2023-06-26 · Byungchul Park <byungchul@sk.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.

• STALE184d [PATCH 02/33] cpu: Revert "cpu/hotplug: Prevent self deadlock on CPU hot-unplug"
  2025-12-24 · Frederic Weisbecker <frederic@kernel.org>
• STALE184d [PATCH 11/33] cpu: Provide lockdep check for CPU hotplug lock write-held
  2025-12-24 · Frederic Weisbecker <frederic@kernel.org>
• STALE130d [PATCH 02/33] cpu: Revert "cpu/hotplug: Prevent self deadlock on CPU hot-unplug"
  2026-01-01 · Frederic Weisbecker <frederic@kernel.org>
• STALE130d [PATCH 11/33] cpu: Provide lockdep check for CPU hotplug lock write-held
  2026-01-01 · Frederic Weisbecker <frederic@kernel.org>
• STALE155d [PATCH 02/33] cpu: Revert "cpu/hotplug: Prevent self deadlock on CPU hot-unplug"
  2026-01-25 · Frederic Weisbecker <frederic@kernel.org>
• STALE155d [PATCH 11/33] cpu: Provide lockdep check for CPU hotplug lock write-held
  2026-01-25 · Frederic Weisbecker <frederic@kernel.org>