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CONFIG_X86_POWERNOW_K8_ACPI: ACPI Support

General informations

The Linux kernel configuration item CONFIG_X86_POWERNOW_K8_ACPI has multiple definitions:

found in arch/i386/kernel/cpu/cpufreq/Kconfig

The configuration item CONFIG_X86_POWERNOW_K8_ACPI:

Help text

(none)

found in arch/x86_64/kernel/cpufreq/Kconfig

The configuration item CONFIG_X86_POWERNOW_K8_ACPI:

Help text

(none)

ACPI Support found in arch/i386/kernel/cpu/cpufreq/Kconfig

The configuration item CONFIG_X86_POWERNOW_K8_ACPI:

Help text

This provides access to the K8s Processor Performance States via ACPI. This driver is probably required for CPUFreq to work with multi-socket and SMP systems. It is not required on at least some single-socket yet multi-core systems, even if SMP is enabled.

It is safe to say Y here.

ACPI Support found in arch/x86/kernel/cpu/cpufreq/Kconfig

The configuration item CONFIG_X86_POWERNOW_K8_ACPI:

Help text

This provides access to the K8s Processor Performance States via ACPI. This driver is probably required for CPUFreq to work with multi-socket and SMP systems. It is not required on at least some single-socket yet multi-core systems, even if SMP is enabled.

It is safe to say Y here.

Hardware

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