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 v1 00/10] ACPI: thermal: Register thermal class cooling devices under parents
  2026-09-11 13:09 · 9 replies in 7d · "Rafael J. Wysocki" <rafael@kernel.org>
• HOTtoday [PATCH 0/2] hwmon: (applesmc) add native charge_control_end_threshold support
  2026-09-13 23:14 · 1 reply in 7d · Jordan Brough <hidden>
• WARM1d [PATCH RESEND v4] ACPI: SPCR: Support UART clock frequency field
  2026-09-13 16:17 · 0 replies in 7d · Markus Probst <markus.probst@posteo.de>
• DORMANTno replies [PATCH] ACPI: tables: handle failed initrd override mappings
  2026-09-13 12:51 · 0 replies in 7d · Slavin Liu <hidden>
• WARM3d [PATCH v10 00/14] arm_mpam: Add MPAM-Fb firmware support
  2026-09-11 11:29 · 3 replies in 7d · Andre Przywara <andre.przywara@arm.com>
• WARM3d [PATCH v1 0/4] ACPI: glue: Three fixes and optimization
  2026-09-10 17:56 · 4 replies in 7d · "Rafael J. Wysocki" <rafael@kernel.org>
• DORMANTno replies [PATCH] ACPI: SBS: Fix NULL pointer dereference on allocation failure
  2026-09-12 11:34 · 0 replies in 7d · Guangshuo Li <hidden>
• WARM2d [PATCH v3] PCI/AER: Map a raw AER Capability image field by field
  2026-09-11 16:47 · 0 replies in 7d · Dave Jiang <dave.jiang@intel.com>
• DORMANTno replies [PATCH] ACPI: video: add backlight=native DMI quirk on Acer Nitro AN515-58
  2026-09-11 14:35 · 0 replies in 7d · Dirga Yuza <hidden>
• HOTtoday [PATCH v3 00/13] x86/msr: Drop 32-bit MSR interfaces
  2026-09-11 07:46 · 1 reply in 7d · Juergen Gross <jgross@suse.com>

Active reviewers (last 30 days)

• <sashiko-bot@kernel.org>
  58 attestations (58 Reported-by) · last on 2026-09-11
• Alison Schofield <alison.schofield@intel.com>
  28 attestations (26 Reviewed-by, 2 Tested-by) · last on 2026-09-04
• Shuai Xue <xueshuai@linux.alibaba.com>
  25 attestations (25 Reviewed-by) · last on 2026-09-04
• Jonathan Cameron <hidden>
  13 attestations (13 Reviewed-by) · last on 2026-09-11
• Hanjun Guo <guohanjun@huawei.com>
  9 attestations (9 Reviewed-by) · last on 2026-09-04
• Ben Cheatham <hidden>
  6 attestations (6 Reviewed-by) · last on 2026-09-04
• Peixin Xie <hidden>
  3 attestations (3 Tested-by) · last on 2026-09-02
• Sunil V L <hidden>
  2 attestations (2 Reviewed-by) · last on 2026-09-09
• Andy Shevchenko <andriy.shevchenko@linux.intel.com>
  2 attestations (2 Reviewed-by) · last on 2026-09-03
• Gavin Shan <hidden>
  1 attestation (1 Reviewed-by) · last on 2026-09-11

Recent patches

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

• HOTtoday [PATCH 1/2] ACPI: sbs: add battery hook mechanism for SBS-registered batteries
  2026-09-13 · Jordan Brough <hidden>
• WARM1d [PATCH RESEND v4] ACPI: SPCR: Support UART clock frequency field
  2026-09-13 · Markus Probst <markus.probst@posteo.de>
• DORMANTno replies [PATCH] ACPI: tables: handle failed initrd override mappings
  2026-09-13 · Slavin Liu <hidden>
• DORMANTno replies [PATCH] ACPI: SBS: Fix NULL pointer dereference on allocation failure
  2026-09-12 · Guangshuo Li <hidden>
• WARM2d [PATCH v3] PCI/AER: Map a raw AER Capability image field by field
  2026-09-11 · Dave Jiang <dave.jiang@intel.com>
• DORMANTno replies [PATCH] ACPI: video: add backlight=native DMI quirk on Acer Nitro AN515-58
  2026-09-11 · Dirga Yuza <hidden>
• HOTtoday [PATCH v1 01/10] ACPI: fan: Fix memory leak due to leftover devm_kcalloc() argument
  2026-09-11 · "Rafael J. Wysocki" <rafael@kernel.org>
• HOTtoday [PATCH v1 02/10] ACPI: video: Fix backlight unregistration ordering
  2026-09-11 · "Rafael J. Wysocki" <rafael@kernel.org>
• HOTtoday [PATCH v1 04/10] ACPI: processor: thermal: Use thermal_cooling_device_create()
  2026-09-11 · "Rafael J. Wysocki" <rafael@kernel.org>
• HOTtoday [PATCH v1 05/10] ACPI: video: Use thermal_cooling_device_create()
  2026-09-11 · "Rafael J. Wysocki" <rafael@kernel.org>
• HOTtoday [PATCH v1 06/10] ACPI: fan: Use thermal_cooling_device_create()
  2026-09-11 · "Rafael J. Wysocki" <rafael@kernel.org>
• HOTtoday [PATCH v1 07/10] ACPI: thermal: Use cooling device parent for thermal zone binding
  2026-09-11 · "Rafael J. Wysocki" <rafael@kernel.org>
• HOTtoday [PATCH v1 08/10] ACPI: processor: thermal: Use more suitable cooling device data
  2026-09-11 · "Rafael J. Wysocki" <rafael@kernel.org>
• HOTtoday [PATCH v1 09/10] ACPI: fan: Store ACPI device pointer in struct acpi_fan
  2026-09-11 · "Rafael J. Wysocki" <rafael@kernel.org>
• HOTtoday [PATCH v1 10/10] ACPI: fan: Use more suitable cooling device data
  2026-09-11 · "Rafael J. Wysocki" <rafael@kernel.org>
• WARM3d [RFC PATCH v10 14/14] acpi: arm64: use MPAM-Fb offset field from ACPI table
  2026-09-11 · Andre Przywara <andre.przywara@arm.com>
• WARM3d [RFC PATCH v10 13/14] ACPICA: actbl2.h: MPAM: adapt to MPAM ACPI v3.1 changes
  2026-09-11 · Andre Przywara <andre.przywara@arm.com>
• WARM3d REVIEWED: 3 (0M) [PATCH v10 10/14] arm_mpam: add MPAM-Fb MSC firmware access support
  2026-09-11 · Andre Przywara <andre.przywara@arm.com>
• HOTtoday [PATCH v3 12/13] treewide: convert rdmsrq() from a macro to an inline function
  2026-09-11 · Juergen Gross <jgross@suse.com>
• WARM3d [PATCH v1 1/4] ACPI: glue: Carry out companion lookup under bus_type_sem
  2026-09-10 · "Rafael J. Wysocki" <rafael@kernel.org>
• WARM3d [PATCH v1 2/4] ACPI: glue: Rearrange acpi_bind_one() to avoid breakage
  2026-09-10 · "Rafael J. Wysocki" <rafael@kernel.org>
• WARM3d [PATCH v1 3/4] ACPI: glue: Fix up and adjust acpi_unbind_one()
  2026-09-10 · "Rafael J. Wysocki" <rafael@kernel.org>
• WARM3d [PATCH v1 4/4] ACPI: glue: Skip devices with no type in acpi_device_notify()
  2026-09-10 · "Rafael J. Wysocki" <rafael@kernel.org>
• DORMANTno replies [PATCH] ACPI: APD: fix off-by-one when copying clk-name property
  2026-09-10 · <hidden>
• COOLING4d [PATCH v2] ACPI: button: replace SIMPLE_DEV_PM_OPS with DEFINE_SIMPLE_DEV_PM_OPS
  2026-09-10 · Li Jun <hidden>
• WARM3d [PATCH v1 1/1] ACPI: bus: Reduce runtime memory footprint of struct acpi_device
  2026-09-09 · Andy Shevchenko <andriy.shevchenko@linux.intel.com>
• COOLING4d [PATCH v2] PCI/AER: Map a raw AER Capability image field by field
  2026-09-09 · Dave Jiang <dave.jiang@intel.com>
• DORMANTno replies REVIEWED: 1 (0M) [PATCH v2] ACPI: RISC-V: CPPC: Implement cpc_read_ffh_fb_ctrs()
  2026-09-09 · Yufan Dou <hidden>
• DORMANTno replies [PATCH v3] ACPI: utils: Ignore leading root scope prefix in string _UID match
  2026-09-08 · Mario Limonciello <mario.limonciello@amd.com>
• COOLING6d [PATCH v2] ACPI: utils: Ignore leading root scope prefix in string _UID match
  2026-09-08 · Mario Limonciello <mario.limonciello@amd.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
• STALE187d REVIEWED: 5 (5M) [PATCH] ACPI: CPPC: Fix uninitialized ref variable in cppc_get_perf_caps
  2026-03-11 · Pengjie Zhang <hidden> · 1 Tested-by
• STALE178d REVIEWED: 1 (0M) [PATCH v8 2/3] x86: Implement acpi_get_cpu_uid()
  2026-03-18 · Chengwen Feng <hidden> · 1 Reviewed-by
• COLD31d REVIEWED: 1 (0M) [PATCH v3 3/3] ACPI: APEI: GHES: Add NVIDIA vendor CPER record handler
  2026-03-30 · Kai-Heng Feng <kaihengf@nvidia.com> · 1 Reviewed-by
• STALE160d REVIEWED: 1 (0M) [PATCH v2] ACPI: AGDI: fix missing newline in error message
  2026-04-01 · Haoyu Lu <hidden> · 1 Reviewed-by
• STALE158d REVIEWED: 1 (0M) [PATCH v3] ACPI: AGDI: fix missing newline in error message
  2026-04-07 · Haoyu Lu <hidden> · 1 Reviewed-by
• STALE125d REVIEWED: 1 (0M) [PATCH v19 2/2] ras: mem: Add ACPI RAS2 memory driver
  2026-04-08 · <hidden> · 1 Tested-by
• STALE116d REVIEWED: 11 (11M) [PATCH AUTOSEL 7.0-5.10] ACPI: processor: idle: Add missing bounds check in flatten_lpi_states()
  2026-04-20 · Sasha Levin <sashal@kernel.org> · 1 Reviewed-by
• STALE139d REVIEWED: 1 (0M) [PATCH v4 2/2] ACPI: APEI: EINJ: Fix EINJV2 memory error injection
  2026-04-21 · Tony Luck <tony.luck@intel.com> · 1 Tested-by
• STALE125d REVIEWED: 59 (59M) [PATCH v2] device property: initialize the remaining fields of fwnode_handle in fwnode_init()
  2026-05-11 · Bartosz Golaszewski <hidden> · 3 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.

• STALE187d [PATCH v3 02/15] ACPI: PCC: Use mbox_ring_doorbell() instead of NULL message
  2026-02-16 · Douglas Anderson <dianders@chromium.org>
• STALE206d [PATCH AUTOSEL 6.19-6.12] ACPI: x86: Force enabling of PWM2 on the Yogabook YB1-X90
  2026-02-20 · Sasha Levin <sashal@kernel.org>
• STALE186d [PATCH v2 04/11] ACPI: APEI: GHES: move GHESv2 ack and alloc helpers
  2026-02-20 · Ahmed Tiba <hidden>
• STALE186d [PATCH v2 05/11] ACPI: APEI: GHES: move estatus cache helpers
  2026-02-20 · Ahmed Tiba <hidden>
• STALE186d [PATCH v2 06/11] ACPI: APEI: GHES: move vendor record helpers
  2026-02-20 · Ahmed Tiba <hidden>
• STALE186d [PATCH v2 08/11] ACPI: APEI: introduce GHES helper
  2026-02-20 · Ahmed Tiba <hidden>
• STALE194d [PATCH v1 8/8] ACPI: TAD/x86: cmos_rtc: Consolidate address space handler setup
  2026-02-23 · "Rafael J. Wysocki" <rafael@kernel.org>
• STALE194d [PATCH v1 5/8] ACPI: PNP: Drop CMOS RTC PNP device support
  2026-02-23 · "Rafael J. Wysocki" <rafael@kernel.org>
• STALE194d [PATCH v1 2/8] ACPI: x86: cmos_rtc: Improve coordination with ACPI TAD driver
  2026-02-23 · "Rafael J. Wysocki" <rafael@kernel.org>
• STALE194d [PATCH v1 1/8] ACPI: x86: cmos_rtc: Clean up address space handler driver
  2026-02-23 · "Rafael J. Wysocki" <rafael@kernel.org>