acpi · Supported

Maintainers

• M "Rafael J. Wysocki" <rafael@kernel.org>
• R Len Brown <lenb@kernel.org>

Paths

• F Documentation/ABI/testing/configfs-acpi
• F Documentation/ABI/testing/sysfs-bus-acpi
• F Documentation/firmware-guide/acpi/
• F arch/x86/kernel/acpi/
• F arch/x86/pci/acpi.c
• F drivers/acpi/
• F drivers/pci/*/*acpi*
• F drivers/pci/*acpi*
• F drivers/pnp/pnpacpi/
• F include/acpi/
• F include/linux/acpi.h
• F include/linux/fwnode.h
• F include/linux/fw_table.h
• F lib/fw_table.c
• F rust/kernel/acpi.rs
• F tools/power/acpi/

Last 30 days

Most active threads (last 7 days)

• HOTtoday [PATCH v6 0/15] ACPI: CPPC: Fix register access and lifetime bugs
  2026-09-07 10:33 · 1 reply in 7d · Christian Loehle <christian.loehle@arm.com>
• HOTtoday [PATCH 0/5] driver core: fix typos and repeated words in comments
  2026-09-07 06:48 · 1 reply in 7d · Hemanth Selam <hidden>
• HOTtoday [PATCH v3 0/4] ACPI: scan: Adjust power management initialization and PCI devices handling
  2026-09-03 17:10 · 4 replies in 7d · "Rafael J. Wysocki" <rafael@kernel.org>
• COOLING4d [PATCH v2 0/6] ACPI: scan: Adjust power management initialization and PCI devices handling
  2026-09-02 19:37 · 6 replies in 7d · "Rafael J. Wysocki" <rafael@kernel.org>
• DORMANTno replies [PATCH] ACPI: s2idle: Add _Ixx GPE wake indicator support
  2026-09-04 07:38 · 0 replies in 7d · Saranya Gopal <hidden>
• WARM2d [PATCH] ACPI: SBS: report relative state of charge as CAPACITY
  2026-09-03 10:42 · 0 replies in 7d · Itay Shem-tov <hidden>
• COOLING6d [PATCH v2 0/3] Zen6 client CPPC
  2026-09-01 21:59 · 1 reply in 7d · Mario Limonciello <mario.limonciello@amd.com>

Active reviewers (last 30 days)

• Sashiko <sashiko-bot@kernel.org>
  30 attestations (30 Reported-by) · last on 2026-08-30
• Peixin Xie <hidden>
  3 attestations (3 Tested-by) · last on 2026-09-02
• Andy Shevchenko <andriy.shevchenko@linux.intel.com>
  1 attestation (1 Reviewed-by) · last on 2026-09-03
• K Prateek Nayak <kprateek.nayak@amd.com>
  1 attestation (1 Tested-by) · last on 2026-09-01

Recent patches

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

• HOTtoday Re: [PATCH v6 15/15] ACPI: CPPC: Clear Performance Limited without a stale read
  2026-09-07 · Sumit Gupta <sumitg@nvidia.com>
• HOTtoday [PATCH 5/5] ACPI: NUMA: fix typo in log message
  2026-09-07 · Hemanth Selam <hidden>
• DORMANTno replies [PATCH] ACPI: s2idle: Add _Ixx GPE wake indicator support
  2026-09-04 · Saranya Gopal <hidden>
• HOTtoday [PATCH v3 1/4] ACPI: PM: Drop parent state update from acpi_device_get_power()
  2026-09-03 · "Rafael J. Wysocki" <rafael@kernel.org>
• HOTtoday [PATCH v3 2/4] ACPI: scan: Stop calling acpi_bus_init_power() early
  2026-09-03 · "Rafael J. Wysocki" <rafael@kernel.org>
• HOTtoday [PATCH v3 3/4] ACPI: PM: Move acpi_bus_init_power() declaration to internal header file
  2026-09-03 · "Rafael J. Wysocki" <rafael@kernel.org>
• HOTtoday REVIEWED: 8 (8M) [PATCH v3 4/4] ACPI: scan: Combine two conditionals in acpi_bus_attach()
  2026-09-03 · "Rafael J. Wysocki" <rafael@kernel.org>
• WARM2d [PATCH] ACPI: SBS: report relative state of charge as CAPACITY
  2026-09-03 · Itay Shem-tov <hidden>
• COOLING4d [PATCH v2 1/6] ACPI: PM: Drop parent state update from acpi_device_get_power()
  2026-09-02 · "Rafael J. Wysocki" <rafael@kernel.org>
• COOLING4d [PATCH v2 2/6] ACPI: scan: Stop calling acpi_bus_init_power() early
  2026-09-02 · "Rafael J. Wysocki" <rafael@kernel.org>
• COOLING4d [PATCH v2 3/6] ACPI: scan: Combine two conditionals in acpi_bus_attach()
  2026-09-02 · "Rafael J. Wysocki" <rafael@kernel.org>
• COOLING4d REVIEWED: 1 (0M) [PATCH v2 4/6] ACPI: scan: Add ACPI device enumerated marker
  2026-09-02 · "Rafael J. Wysocki" <rafael@kernel.org>
• COOLING4d REVIEWED: 1 (0M) [PATCH v2 5/6] ACPI: scan: Adjust and rename acpi_bus_attach()
  2026-09-02 · "Rafael J. Wysocki" <rafael@kernel.org>
• COOLING4d REVIEWED: 1 (0M) [PATCH v2 6/6] ACPI: scan: Take PCI device enumeration into account directly
  2026-09-02 · "Rafael J. Wysocki" <rafael@kernel.org>
• COOLING6d REVIEWED: 2 (2M) [PATCH v2 1/3] ACPI: CPPC: Refactor boost ratio handling
  2026-09-01 · Mario Limonciello <mario.limonciello@amd.com>
• COOLING6d [PATCH 1/3] ACPI: CPPC: Refactor boost ratio handling
  2026-08-31 · Mario Limonciello <mario.limonciello@amd.com>
• COOLING5d [PATCH v1 1/7] ACPI: scan: Stop calling acpi_bus_init_power() early
  2026-08-31 · "Rafael J. Wysocki" <rafael@kernel.org>
• COOLING5d [PATCH v1 2/7] ACPI: PM: Introduce acpi_device_init_power()
  2026-08-31 · "Rafael J. Wysocki" <rafael@kernel.org>
• COOLING5d [PATCH v1 3/7] ACPI: bus: Drop initialized flag from struct acpi_device_flags
  2026-08-31 · "Rafael J. Wysocki" <rafael@kernel.org>
• COOLING5d [PATCH v1 4/7] ACPI: scan: Combine two conditionals in acpi_bus_attach()
  2026-08-31 · "Rafael J. Wysocki" <rafael@kernel.org>
• COOLING5d [PATCH v1 5/7] ACPI: scan: Add ACPI device "enumerated" marker
  2026-08-31 · "Rafael J. Wysocki" <rafael@kernel.org>
• COOLING5d [PATCH v1 6/7] ACPI: scan: Adjust and rename acpi_bus_attach()
  2026-08-31 · "Rafael J. Wysocki" <rafael@kernel.org>
• COOLING5d [PATCH v1 7/7] ACPI: scan: Take PCI device enumeration into account directly
  2026-08-31 · "Rafael J. Wysocki" <rafael@kernel.org>
• HOTtoday [PATCH v6 15/15] ACPI: CPPC: Clear Performance Limited without a stale read
  2026-08-30 · Christian Loehle <christian.loehle@arm.com>
• HOTtoday [PATCH v6 14/15] ACPI: CPPC: Validate SystemIO overlaps across processors
  2026-08-30 · Christian Loehle <christian.loehle@arm.com>
• HOTtoday [PATCH v6 13/15] ACPI: CPPC: Validate PCC overlaps across processors
  2026-08-30 · Christian Loehle <christian.loehle@arm.com>
• HOTtoday [PATCH v6 12/15] ACPI: CPPC: Validate SystemIO register layouts
  2026-08-30 · Christian Loehle <christian.loehle@arm.com>
• HOTtoday [PATCH v6 11/15] ACPI: CPPC: Validate and access PCC register layouts
  2026-08-30 · Christian Loehle <christian.loehle@arm.com>
• HOTtoday [PATCH v6 10/15] ACPI: CPPC: Reject direct reads of write-only controls
  2026-08-30 · Christian Loehle <christian.loehle@arm.com>
• HOTtoday [PATCH v6 09/15] ACPI: CPPC: Reject unsafe cross-CPU SystemMemory RMW
  2026-08-30 · Christian Loehle <christian.loehle@arm.com>

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: 5 (5M) Re: [PATCH v2] ACPI: CPPC: Move reference performance to capabilities
  2026-03-10 · Nathan Chancellor <nathan@kernel.org> · 1 Tested-by
• COLD42d REVIEWED: 1 (1M) [PATCH] ACPI: CPPC: Skip writes to unsupported performance controls
  2026-07-24 · Christian Loehle <christian.loehle@arm.com> · 1 Reviewed-by
• COLD35d REVIEWED: 1 (0M) [PATCH v3 3/3] ACPI: CPPC: Stop reading desired_perf in cppc_get_perf()
  2026-08-03 · Christian Loehle <christian.loehle@arm.com> · 1 Reviewed-by
• COLD33d REVIEWED: 1 (0M) [PATCH 3/3] ACPI: CPPC: Stop reading desired_perf in cppc_get_perf()
  2026-08-03 · Christian Loehle <christian.loehle@arm.com> · 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.

• STALE133d [PATCH 3/6] ACPI: CPPC: Add support for reading HighestFreq
  2026-04-27 · "Mario Limonciello (AMD)" <superm1@kernel.org>
• STALE133d [PATCH 4/6] ACPI: CPPC: Refactor boost ratio handling
  2026-04-27 · "Mario Limonciello (AMD)" <superm1@kernel.org>
• STALE132d [PATCH RFC 06/11] x86/msr: Switch all callers of rdmsrq_safe_on_cpu() to use rdmsr_safe_on_cpu()
  2026-04-28 · Juergen Gross <jgross@suse.com>
• STALE132d [PATCH RFC 08/11] x86/msr: Switch all callers of wrmsrq_safe_on_cpu() to use wrmsr_safe_on_cpu()
  2026-04-28 · Juergen Gross <jgross@suse.com>
• STALE122d [PATCH v2 3/5] ACPI: CPPC: Refactor boost ratio handling
  2026-05-04 · Mario Limonciello <mario.limonciello@amd.com>
• STALE122d [PATCH v2 2/5] ACPI: CPPC: Add support for reading HighestFreq
  2026-05-04 · Mario Limonciello <mario.limonciello@amd.com>
• STALE76d [PATCH v4 2/2] cpufreq: CPPC: add autonomous mode boot parameter support
  2026-05-27 · Sumit Gupta <sumitg@nvidia.com>
• COLD60d [PATCH 1/3] Use correct region size for BERT region size check
  2026-07-08 · Thomas Renninger <hidden>
• COLD53d [PATCH v1 06/17] ACPI: processor: idle: Introduce lpi_state_debug()
  2026-07-09 · "Rafael J. Wysocki" <rafael@kernel.org>
• COLD46d [PATCH 4/8] ACPI: CPPC: Parse Resource Priority Register entries from _CPC package
  2026-07-17 · Lifeng Zheng <zhenglifeng1@huawei.com>