cpu hotplug

Most active threads (last 7 days)

Recent patches

Latest 30 postings or standalone patches (up to 30), newest first. Counts below cover matching patches in linux-arm-kernel touching this subsystem.

• cpu/hotplug: Remove cpu_down() global stop_machine() except for CPUHP_TEARDOWN_CPU itself v2 · 13 matching patches

  Entire posting: Pending Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH 05/47] cpuidle: Move CPUHP_AP_CPU_PM_STARTING post stop_machine() 2026-11-05
  • [PATCH 07/47] irqchip/bcm2836: Move CPUHP_AP_IRQ_BCM2836_STARTING post stop_machine() 2026-11-05
  • [PATCH 17/47] ARM: vfp: Move CPUHP_AP_ARM_VFP_STARTING post stop_machine() 2026-11-05
  • [PATCH 19/47] perf/arm_pmu: Move CPUHP_AP_PERF_ARM_STARTING post stop_machine() 2026-11-05
  • [PATCH 20/47] perf: RISC-V: Move CPUHP_AP_PERF_RISCV_STARTING post stop_machine() 2026-11-05
  • [PATCH 21/47] ARM: l2c: Move CPUHP_AP_ARM_L2X0_STARTING post stop_machine() 2026-11-05
  • [PATCH 22/47] clocksource/drivers/exynos_mct: Move CPUHP_AP_EXYNOS4_MCT_TIMER_STARTING post stop_machine() 2026-11-05
  • [PATCH 23/47] clocksource/drivers/arm_arch_timer: Move CPUHP_AP_ARM_ARCH_TIMER_STARTING post stop_machine() 2026-11-05
  • [PATCH 24/47] clocksource/drivers/arm_arch_timer: Move CPUHP_AP_ARM_ARCH_TIMER_EVTSTRM_STARTING post stop_machine() 2026-11-05
  • [PATCH 25/47] clocksource/drivers/arm_global_timer: Move CPUHP_AP_ARM_GLOBAL_TIMER_STARTING post stop_machine() 2026-11-05
  • [PATCH 27/47] ARM: smp_twd: Move CPUHP_AP_ARM_TWD_STARTING post stop_machine() 2026-11-05
  • [PATCH 41/47] ARM: xen: Move CPUHP_AP_ARM_XEN_STARTING post stop_machine() 2026-11-05
  • [PATCH 47/47] ARM: mm: Move CPUHP_AP_ARM_CACHE_B15_RAC_DYING post stop_machine() 2026-11-05
  2026-11-05 · Frederic Weisbecker <frederic@kernel.org>
• [PATCH 1/2] smpboot: Allow restricting per-CPU threads to a CPU mask 2026-11-02 · Daniel Lezcano <hidden>
• cpu/hotplug: Remove cpu_down() global stop_machine() except for CPUHP_TEARDOWN_CPU itself rfc · 13 matching patches

  Entire posting: SUPERSEDED Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [RFC PATCH 05/49] cpuidle: Move CPUHP_AP_CPU_PM_STARTING post stop_machine() 2026-10-19
  • [RFC PATCH 07/49] irqchip/bcm2836: Move CPUHP_AP_IRQ_BCM2836_STARTING post stop_machine() 2026-10-19
  • [RFC PATCH 17/49] ARM: vfp: Move CPUHP_AP_ARM_VFP_STARTING post stop_machine() 2026-10-19
  • [RFC PATCH 19/49] perf/arm_pmu: Move CPUHP_AP_PERF_ARM_STARTING post stop_machine() 2026-10-19
  • [RFC PATCH 20/49] perf: RISC-V: Move CPUHP_AP_PERF_RISCV_STARTING post stop_machine() 2026-10-19
  • [RFC PATCH 21/49] ARM: l2c: Move CPUHP_AP_ARM_L2X0_STARTING post stop_machine() 2026-10-19
  • [RFC PATCH 22/49] clocksource/drivers/exynos_mct: Move CPUHP_AP_EXYNOS4_MCT_TIMER_STARTING post stop_machine() 2026-10-19
  • [RFC PATCH 23/49] clocksource/drivers/arm_arch_timer: Move CPUHP_AP_ARM_ARCH_TIMER_STARTING post stop_machine() 2026-10-19
  • [RFC PATCH 24/49] clocksource/drivers/arm_arch_timer: Move CPUHP_AP_ARM_ARCH_TIMER_EVTSTRM_STARTING post stop_machine() 2026-10-19
  • [RFC PATCH 25/49] clocksource/drivers/arm_global_timer: Move CPUHP_AP_ARM_GLOBAL_TIMER_STARTING post stop_machine() 2026-10-19
  • [RFC PATCH 27/49] ARM: smp_twd: Move CPUHP_AP_ARM_TWD_STARTING post stop_machine() 2026-10-19
  • [RFC PATCH 41/49] ARM: xen: Move CPUHP_AP_ARM_XEN_STARTING post stop_machine() 2026-10-19
  • [RFC PATCH 49/49] ARM: mm: Move CPUHP_AP_ARM_CACHE_B15_RAC_DYING post stop_machine() 2026-10-19
  2026-10-19 · Frederic Weisbecker <frederic@kernel.org>
• arm64: Implement parallel CPU onlining with PSCI v0.2+ v2 · 4 matching patches

  Entire posting: PENDING · 16 of 23 reviewed Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH v2 01/23] cpu/hotplug: Clean up cmpxchg() logic in cpuhp_can_boot_ap() 2026-10-09
  • [PATCH v2 02/23] cpu/hotplug: Avoid trying to bring up CPUs that are already online 2026-10-09
  • [PATCH v2 03/23] cpu/hotplug: Avoid busy-polling on archs where cpu_relax() is a no-op 2026-10-09
  • [PATCH v2 04/23] cpu/hotplug: Propagate bring-up status to arch_cpuhp_cleanup_kick_cpu() 2026-10-09
  2026-10-09 · Will Deacon <will@kernel.org>
• cpu/hotplug: use cpu_enabled_mask for SMT bringup rfc · 1 matching patch

  Entire posting: Pending Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [RFC PATCH 1/2] cpu/hotplug: Skip disabled CPUs in cpuhp_smt_enable 2026-09-29
  2026-09-29 · <hidden>
• riscv: add SBI Supervisor Software Events support v10 · 1 matching patch

  Entire posting: SUPERSEDED Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH v10 4/9] drivers: firmware: add riscv SSE support 2026-09-11
  2026-09-21 · Zhanpeng Zhang <hidden>
• drivers/perf: hisi: Updates for HiSilicon uncore PMUs v6 · 1 matching patch

  Entire posting: Pending Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH v6 1/3] drivers/perf: hisi: Consolidate uncore PMU cpuhp states 2026-09-16
  2026-09-16 · Yushan Wang <wangyushan12@huawei.com>
• drivers/perf: hisi: Updates for HiSilicon uncore PMUs v5 · 1 matching patch

  Entire posting: SUPERSEDED Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH v5 1/3] drivers/perf: hisi: Consolidate uncore PMU cpuhp states 2026-09-09
  2026-09-09 · Yushan Wang <wangyushan12@huawei.com>
• arm64: Implement parallel CPU onlining with PSCI v0.2+ v1 · 4 matching patches

  Entire posting: SUPERSEDED Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH 01/19] cpu/hotplug: Clean up cmpxchg() logic in cpuhp_can_boot_ap() 2026-09-07
  • [PATCH 02/19] cpu/hotplug: Avoid trying to bring up CPUs that are already online 2026-09-07
  • [PATCH 03/19] cpu/hotplug: Avoid busy-polling on archs where cpu_relax() is a no-op 2026-09-07
  • [PATCH 04/19] cpu/hotplug: Propagate bring-up status to arch_cpuhp_cleanup_kick_cpu() 2026-09-07
  2026-09-07 · Will Deacon <will@kernel.org>
• drivers/perf: hisi: Updates for HiSilicon uncore PMUs v4 · 1 matching patch

  Entire posting: SUPERSEDED Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH 1/3] drivers/perf: hisi: Consolidate uncore PMU cpuhp states 2026-07-24
  2026-07-24 · Yushan Wang <wangyushan12@huawei.com>
• LANDED [PATCH] cpu/hotplug: Remove CPUHP_AP_ARM_CORESIGHT_CTI_STARTING 2026-07-11 · Zenghui Yu <hidden>
• arm64: Add HOTPLUG_PARALLEL support for secondary CPUs v3 · 2 matching patches

  Entire posting: PENDING · 1 of 12 reviewed Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH v3 01/12] cpu/hotplug: Introduce CONFIG_HOTPLUG_PARALLEL_SMT 2026-06-24
  • [PATCH v3 02/12] cpu/hotplug: Propagate bring-up status to arch_cpuhp_cleanup_kick_cpu() 2026-06-24
  2026-06-24 · Jinjie Ruan <hidden>
• arm64: Add HOTPLUG_PARALLEL support for secondary CPUs v2 · 1 matching patch

  Entire posting: SUPERSEDED Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH v2 1/4] cpu/hotplug: Introduce CONFIG_PARALLEL_SMT_PRIMARY_FIRST 2026-06-18
  2026-06-18 · Jinjie Ruan <hidden>
• arm64: Add HOTPLUG_PARALLEL support for secondary CPUs rfc · 1 matching patch

  Entire posting: SUPERSEDED Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH RFC 1/3] cpu/hotplug: Introduce CONFIG_PARALLEL_SMT_PRIMARY_FIRST 2026-06-11
  2026-06-11 · Jinjie Ruan <hidden>
• Support Armv8 RAS Extensions for Kernel-first error handling v7 · 1 matching patch

  Entire posting: Pending Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH v7 06/16] arm64: ras: Enable error reporting 2026-06-02
  2026-06-02 · Ruidong Tian <hidden>
• CoreSight: Refactor power management for CoreSight path v14 · 1 matching patch

  Entire posting: LANDED Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH v14 27/28] coresight: Move CPU hotplug callbacks to core layer 2026-05-15
  2026-05-15 · Leo Yan <leo.yan@arm.com>
• CoreSight: Refactor power management for CoreSight path v13 · 1 matching patch

  Entire posting: SUPERSEDED Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH v13 27/28] coresight: Move CPU hotplug callbacks to core layer 2026-05-15
  2026-05-15 · Leo Yan <leo.yan@arm.com>
• CoreSight: Refactor power management for CoreSight path v12 · 1 matching patch

  Entire posting: SUPERSEDED Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH v12 27/28] coresight: Move CPU hotplug callbacks to core layer 2026-05-11
  2026-05-11 · Leo Yan <leo.yan@arm.com>
• CoreSight: Refactor power management for CoreSight path v11 · 1 matching patch

  Entire posting: SUPERSEDED Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH v11 26/27] coresight: Move CPU hotplug callbacks to core layer 2026-05-01
  2026-05-01 · Leo Yan <leo.yan@arm.com>
• driver core: Fix some race conditions v5 · 1 matching patch

  Entire posting: LANDED Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH v5 9/9] driver core: Replace dev->offline + ->offline_disabled with accessors 2026-04-06
  2026-04-06 · Douglas Anderson <dianders@chromium.org>
• CoreSight: Refactor power management for CoreSight path v10 · 1 matching patch

  Entire posting: SUPERSEDED Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH v10 19/20] coresight: Move CPU hotplug callbacks to core layer 2026-04-05
  2026-04-05 · Leo Yan <leo.yan@arm.com>
• driver core: Fix some race conditions v4 · 1 matching patch

  Entire posting: SUPERSEDED Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH v4 9/9] driver core: Replace dev->offline + ->offline_disabled with accessors 2026-04-04
  2026-04-04 · Douglas Anderson <dianders@chromium.org>
• driver core: Fix some race conditions v3 · 1 matching patch

  Entire posting: SUPERSEDED Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH v3 9/9] driver core: Replace dev->offline + ->offline_disabled with DEV_FLAGs 2026-04-03
  2026-04-03 · Douglas Anderson <dianders@chromium.org>
• cpuset/isolation: Honour kthreads preferred affinity v7 · 2 matching patches

  Entire posting: PENDING · 20 of 33 reviewed Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH 02/33] cpu: Revert "cpu/hotplug: Prevent self deadlock on CPU hot-unplug" 2026-01-25
  • [PATCH 11/33] cpu: Provide lockdep check for CPU hotplug lock write-held 2026-01-25
  2026-01-25 · Frederic Weisbecker <frederic@kernel.org>
• Support Armv8 RAS Extensions for Kernel-first error handling v6 · 1 matching patch

  Entire posting: SUPERSEDED Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH v6 09/16] ras: AEST: Add cpuhp callback 2026-01-22
  2026-01-22 · Ruidong Tian <hidden>
• cpuset/isolation: Honour kthreads preferred affinity v6 · 3 matching patches

  Entire posting: SUPERSEDED Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH 02/33] cpu: Revert "cpu/hotplug: Prevent self deadlock on CPU hot-unplug" 2026-01-01
  • [PATCH 11/33] cpu: Provide lockdep check for CPU hotplug lock write-held 2026-01-01
  • [PATCH 29/33] sched/arm64: Move fallback task cpumask to HK_TYPE_DOMAIN 2026-01-01
  2026-01-01 · Frederic Weisbecker <frederic@kernel.org>
• ARM Error Source Table V2 Support v5 · 1 matching patch

  Entire posting: Pending Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH v5 09/17] ras: AEST: Add cpuhp callback 2025-12-30
  2025-12-30 · Ruidong Tian <hidden>
• cpuset/isolation: Honour kthreads preferred affinity v5 · 3 matching patches

  Entire posting: SUPERSEDED Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH 02/33] cpu: Revert "cpu/hotplug: Prevent self deadlock on CPU hot-unplug" 2025-12-24
  • [PATCH 11/33] cpu: Provide lockdep check for CPU hotplug lock write-held 2025-12-24
  • [PATCH 29/33] sched/arm64: Move fallback task cpumask to HK_TYPE_DOMAIN 2025-12-24
  2025-12-24 · Frederic Weisbecker <frederic@kernel.org>
• ARM Error Source Table V2 Support v4 · 1 matching patch

  Entire posting: SUPERSEDED Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH v4 09/17] ras: AEST: Add cpuhp callback 2025-12-22
  2025-12-22 · Ruidong Tian <hidden>
• Introduce meminspect v1 · 1 matching patch

  Entire posting: Pending Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH 04/26] cpu: Annotate static information into meminspect 2025-11-19
  2025-11-19 · Eugen Hristev <hidden>