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CONFIG_X86_P4_CLOCKMOD: Intel Pentium 4 clock modulation

General informations

The Linux kernel configuration item CONFIG_X86_P4_CLOCKMOD has multiple definitions:

Intel Pentium 4 clock modulation found in drivers/cpufreq/Kconfig.x86

The configuration item CONFIG_X86_P4_CLOCKMOD:

Help text

This adds the CPUFreq driver for Intel Pentium 4 / XEON processors. When enabled it will lower CPU temperature by skipping clocks.

This driver should be only used in exceptional circumstances when very low power is needed because it causes severe slowdowns and noticeable latencies. Normally Speedstep should be used instead.

To compile this driver as a module, choose M here: the module will be called p4-clockmod.

For details, take a look at Documentation/cpu-freq/.

Unless you are absolutely sure say N.

Intel Pentium 4 clock modulation found in arch/x86/kernel/cpu/cpufreq/Kconfig

The configuration item CONFIG_X86_P4_CLOCKMOD:

Help text

This adds the CPUFreq driver for Intel Pentium 4 / XEON processors. When enabled it will lower CPU temperature by skipping clocks.

This driver should be only used in exceptional circumstances when very low power is needed because it causes severe slowdowns and noticeable latencies. Normally Speedstep should be used instead.

To compile this driver as a module, choose M here: the module will be called p4-clockmod.

For details, take a look at Documentation/cpu-freq/.

Unless you are absolutely sure say N.

Intel Pentium 4 clock modulation found in arch/x86_64/kernel/cpufreq/Kconfig

The configuration item CONFIG_X86_P4_CLOCKMOD:

Help text

This adds the clock modulation driver for Intel Pentium 4 / XEON processors. When enabled it will lower CPU temperature by skipping clocks.

This driver should be only used in exceptional circumstances when very low power is needed because it causes severe slowdowns and noticeable latencies. Normally Speedstep should be used instead.

To compile this driver as a module, choose M here: the module will be called p4-clockmod.

For details, take a look at Documentation/cpu-freq/.

Unless you are absolutely sure say N.

Intel Pentium 4 clock modulation found in arch/i386/kernel/cpu/cpufreq/Kconfig

The configuration item CONFIG_X86_P4_CLOCKMOD:

Help text

This adds the CPUFreq driver for Intel Pentium 4 / XEON processors.

For details, take a look at Documentation/cpu-freq/.

If in doubt, say N.

Intel Pentium 4 clock modulation found in arch/i386/Kconfig

The configuration item CONFIG_X86_P4_CLOCKMOD:

Help text

This adds the CPUFreq driver for Intel Pentium 4 / XEON processors.

For details, take a look at linux/Documentation/cpufreq.

If in doubt, say N.

Hardware

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