CONFIG_X86_E_POWERSAVER: VIA C7 Enhanced PowerSaver (DANGEROUS)

General informations

The Linux kernel configuration item CONFIG_X86_E_POWERSAVER has multiple definitions:

VIA C7 Enhanced PowerSaver (DANGEROUS) found in drivers/cpufreq/Kconfig.x86

The configuration item CONFIG_X86_E_POWERSAVER:

• prompt: VIA C7 Enhanced PowerSaver (DANGEROUS)
• type: tristate
• depends on: CONFIG_X86_32 && CONFIG_ACPI_PROCESSOR
• defined in drivers/cpufreq/Kconfig.x86
• found in Linux kernels: 3.0–3.19, 4.0–4.20, 5.0–5.19, 6.0–6.17, 6.18-rc+HEAD
• modules built: e_powersaver, e_powersaver, e_powersaver

Help text

This adds the CPUFreq driver for VIA C7 processors. However, this driver does not have any safeguards to prevent operating the CPU out of spec and is thus considered dangerous. Please use the regular ACPI cpufreq driver, enabled by X86_ACPI_CPUFREQ.

If in doubt, say N.

VIA C7 Enhanced PowerSaver (DANGEROUS) found in arch/x86/kernel/cpu/cpufreq/Kconfig

The configuration item CONFIG_X86_E_POWERSAVER:

• prompt: VIA C7 Enhanced PowerSaver (DANGEROUS)
• type: tristate
• depends on: CONFIG_X86_32 && CONFIG_EXPERIMENTAL
• defined in arch/x86/kernel/cpu/cpufreq/Kconfig
• found in Linux kernels: 2.6.31–2.6.39
• modules built: e_powersaver, e_powersaver, e_powersaver

Help text

This adds the CPUFreq driver for VIA C7 processors. However, this driver does not have any safeguards to prevent operating the CPU out of spec and is thus considered dangerous. Please use the regular ACPI cpufreq driver, enabled by X86_ACPI_CPUFREQ.

If in doubt, say N.

VIA C7 Enhanced PowerSaver found in arch/x86/kernel/cpu/cpufreq/Kconfig

The configuration item CONFIG_X86_E_POWERSAVER:

• prompt: VIA C7 Enhanced PowerSaver
• type: tristate
• depends on: CONFIG_X86_32
• defined in arch/x86/kernel/cpu/cpufreq/Kconfig
• found in Linux kernels: 2.6.27–2.6.30
• modules built: e_powersaver, e_powersaver, e_powersaver

Help text

This adds the CPUFreq driver for VIA C7 processors.

If in doubt, say N.

VIA C7 Enhanced PowerSaver (EXPERIMENTAL) found in arch/x86/kernel/cpu/cpufreq/Kconfig

The configuration item CONFIG_X86_E_POWERSAVER:

• prompt: VIA C7 Enhanced PowerSaver (EXPERIMENTAL)
• type: tristate
• depends on: CONFIG_X86_32 && CONFIG_EXPERIMENTAL
• defined in arch/x86/kernel/cpu/cpufreq/Kconfig
• found in Linux kernels: 2.6.24–2.6.26
• modules built: e_powersaver, e_powersaver, e_powersaver

Help text

This adds the CPUFreq driver for VIA C7 processors.

If in doubt, say N.

VIA C7 Enhanced PowerSaver (EXPERIMENTAL) found in arch/i386/kernel/cpu/cpufreq/Kconfig

The configuration item CONFIG_X86_E_POWERSAVER:

• prompt: VIA C7 Enhanced PowerSaver (EXPERIMENTAL)
• type: tristate
• depends on: CONFIG_EXPERIMENTAL
• defined in arch/i386/kernel/cpu/cpufreq/Kconfig
• found in Linux kernels: 2.6.21–2.6.23
• modules built: e_powersaver, e_powersaver, e_powersaver

Help text

This adds the CPUFreq driver for VIA C7 processors.

If in doubt, say N.

Hardware

LKDDb

Raw data from LKDDb:

• lkddb module e_powersaver CONFIG_X86_E_POWERSAVER : arch/i386/kernel/cpu/cpufreq/Kconfig : "VIA C7 Enhanced PowerSaver (EXPERIMENTAL)" # in 2.6.21–2.6.23
• lkddb module e_powersaver CONFIG_X86_E_POWERSAVER : arch/x86/kernel/cpu/cpufreq/Kconfig : "VIA C7 Enhanced PowerSaver (DANGEROUS)" # in 2.6.24–2.6.39
• lkddb module e_powersaver CONFIG_X86_E_POWERSAVER : drivers/cpufreq/Kconfig.x86 : "VIA C7 Enhanced PowerSaver (DANGEROUS)" # in 3.0–3.19, 4.0–4.20, 5.0–5.19, 6.0–6.17, 6.18-rc+HEAD

Sources

This page is automaticly generated with free (libre, open) software lkddb(see lkddb-sources).

The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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