Re: [PATCH][2.5.35] CPU frequency and voltage scaling (0/5)

Padraig Brady
2002-09-17T10:38:53Z

Dominik Brodowski wrote:
> Hi Linus, hpa, lkml,
>
> The following patches add CPU frequency and volatage scaling
> support (Intel SpeedStep, AMD PowerNow, etc.) to kernel 2.5.35.
>
> As was discussed last time, the cpufreq patches have been reworked to use a
> policy-based approach now. A cpufreq policy consists of four values:
> cpu - the affected CPU nr., or CPUFREQ_ALL_CPUS for all cpus
> min - minimum frequency in kHz
> max - maximum frequency in kHz
> policy - CPUFREQ_POLICY_PERFORMANCE or CPUFREQ_POLICY_POWERSAVE
>

This is much better, but I preferred Dave Jones' suggestion of
supporting stackable policies as I can see no end to them:
max_cpu_temp, temp_hysteresis, favor_fast_{fsb,multiplier}, ...

Pádraig.