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/helpers/acpi.c
• F rust/kernel/acpi.rs
• F tools/power/acpi/

Last 30 days

Recent patches

Most-recent 12 patches in this subsystem on linux-rt-devel, ordered by date desc.

• COLD58d [PATCH RFC v6 17/18] ACPI: RISC-V: Add support for RISC-V Quality of Service Controller (RQSC)
  2026-06-01 · Drew Fustini <fustini@kernel.org>
• COLD58d [PATCH RFC v6 16/18] ACPI: RISC-V: Parse RISC-V Quality of Service Controller (RQSC) table
  2026-06-01 · Drew Fustini <fustini@kernel.org>
• STALE61d [PATCH RFC v5 17/18] ACPI: RISC-V: Add support for RISC-V Quality of Service Controller (RQSC)
  2026-05-24 · Drew Fustini <fustini@kernel.org>
• STALE61d [PATCH RFC v5 16/18] ACPI: RISC-V: Parse RISC-V Quality of Service Controller (RQSC) table
  2026-05-24 · Drew Fustini <fustini@kernel.org>
• STALE75d [PATCH RFC v4 17/18] ACPI: RISC-V: Add support for RISC-V Quality of Service Controller (RQSC)
  2026-05-11 · Drew Fustini <fustini@kernel.org>
• STALE75d [PATCH RFC v4 16/18] ACPI: RISC-V: Parse RISC-V Quality of Service Controller (RQSC) table
  2026-05-11 · Drew Fustini <fustini@kernel.org>
• STALE91d [PATCH v3 01/14] ACPI: APEI: Remove redundant rcu_read_lock/unlock() in spin_lock
  2025-09-16 · pengdonglin <hidden>
• STALE317d [PATCH v2] rcu: Remove redundant rcu_read_lock/unlock() in spin_lock critical sections
  2025-09-15 · pengdonglin <hidden>
• STALE319d [PATCH] rcu: Remove redundant rcu_read_lock/unlock() in spin_lock critical sections
  2025-09-12 · pengdonglin <hidden>
• STALE536d REVIEWED: 24 (24M) [PATCH 4.4 v1 07/17] ACPI: Adjust system_state check
  2025-02-10 · Kazuhiro Hayashi <hidden>
• STALE640d [PATCH] ACPI: CPPC: Make rmw_lock a raw_spin_lock
  2024-10-28 · Pierre Gondois <pierre.gondois@arm.com>
• DORMANTno replies [ANNOUNCE] v6.12-rc2-rt4
  2024-10-10 · Sebastian Andrzej Siewior <bigeasy@linutronix.de>

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.

• STALE75d [PATCH RFC v4 17/18] ACPI: RISC-V: Add support for RISC-V Quality of Service Controller (RQSC)
  2026-05-11 · Drew Fustini <fustini@kernel.org>
• STALE61d [PATCH RFC v5 17/18] ACPI: RISC-V: Add support for RISC-V Quality of Service Controller (RQSC)
  2026-05-24 · Drew Fustini <fustini@kernel.org>
• COLD58d [PATCH RFC v6 16/18] ACPI: RISC-V: Parse RISC-V Quality of Service Controller (RQSC) table
  2026-06-01 · Drew Fustini <fustini@kernel.org>
• COLD58d [PATCH RFC v6 17/18] ACPI: RISC-V: Add support for RISC-V Quality of Service Controller (RQSC)
  2026-06-01 · Drew Fustini <fustini@kernel.org>