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CONFIG_ACPI: ACPI (Advanced Configuration and Power Interface) Support

General informations

The Linux kernel configuration item CONFIG_ACPI has multiple definitions:

ACPI (Advanced Configuration and Power Interface) Support found in drivers/acpi/Kconfig

The configuration item CONFIG_ACPI:

Help text

Advanced Configuration and Power Interface (ACPI) support for Linux requires an ACPI-compliant platform (hardware/firmware), and assumes the presence of OS-directed configuration and power management (OSPM) software. This option will enlarge your kernel by about 70K.

Linux ACPI provides a robust functional replacement for several legacy configuration and power management interfaces, including the Plug-and-Play BIOS specification (PnP BIOS), the MultiProcessor Specification (MPS), and the Advanced Power Management (APM) specification. If both ACPI and APM support are configured, ACPI is used.

Linux support for ACPI is based on Intel Corporation's ACPI Component Architecture (ACPI CA). For more information on the ACPI CA, see: https://acpica.org/

ACPI is an open industry specification originally co-developed by Hewlett-Packard, Intel, Microsoft, Phoenix, and Toshiba. Currently, it is developed by the ACPI Specification Working Group (ASWG) under the UEFI Forum and any UEFI member can join the ASWG and contribute to the ACPI specification. The specification is available at: https://uefi.org/specifications

ACPI Support (Advanced Configuration and Power Interface) Support found in drivers/acpi/Kconfig

The configuration item CONFIG_ACPI:

Help text

Advanced Configuration and Power Interface (ACPI) support for Linux requires an ACPI compliant platform (hardware/firmware), and assumes the presence of OS-directed configuration and power management (OSPM) software. This option will enlarge your kernel by about 70K.

Linux ACPI provides a robust functional replacement for several legacy configuration and power management interfaces, including the Plug-and-Play BIOS specification (PnP BIOS), the MultiProcessor Specification (MPS), and the Advanced Power Management (APM) specification. If both ACPI and APM support are configured, whichever is loaded first shall be used.

The ACPI SourceForge project contains the latest source code, documentation, tools, mailing list subscription, and other information. This project is available at: http://sourceforge.net/projects/acpi

Linux support for ACPI is based on Intel Corporation's ACPI Component Architecture (ACPI CA). For more information see: http://developer.intel.com/technology/iapc/acpi

ACPI is an open industry specification co-developed by Compaq, Intel, Microsoft, Phoenix, and Toshiba. The specification is available at: http://www.acpi.info

ACPI Support found in drivers/acpi/Kconfig

The configuration item CONFIG_ACPI:

Help text

Advanced Configuration and Power Interface (ACPI) support for Linux requires an ACPI compliant platform (hardware/firmware), and assumes the presence of OS-directed configuration and power management (OSPM) software. This option will enlarge your kernel by about 70K.

Linux ACPI provides a robust functional replacement for several legacy configuration and power management interfaces, including the Plug-and-Play BIOS specification (PnP BIOS), the MultiProcessor Specification (MPS), and the Advanced Power Management (APM) specification. If both ACPI and APM support are configured, whichever is loaded first shall be used.

The ACPI SourceForge project contains the latest source code, documentation, tools, mailing list subscription, and other information. This project is available at: http://sourceforge.net/projects/acpi

Linux support for ACPI is based on Intel Corporation's ACPI Component Architecture (ACPI CA). For more information see: http://developer.intel.com/technology/iapc/acpi

ACPI is an open industry specification co-developed by Compaq, Intel, Microsoft, Phoenix, and Toshiba. The specification is available at: http://www.acpi.info

found in arch/ia64/Kconfig

The configuration item CONFIG_ACPI:

Help text

(none)

Hardware

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