Re: [PATCH][2.5.32] CPU frequency and voltage scaling (0/4)

[Alan Cox]

On Wed, 2002-08-28 at 22:08, Linus Torvalds wrote:
> 
> On Wed, 28 Aug 2002, Dominik Brodowski wrote:
> > 
> > "policy input" --> "frequency input" --> cpufreq core --> cpufreq driver
> >   user-space    |                 k e r n e l  -  s p a c e
> 
> No.
> 
> The "policy input" has to filter down ALL THE WAY. If you turn it into a 
> frequency-only input at _any_ time, you've lost information that the 
> lowest levels need. 

So what you are saying is that you want to be sure that something like
"please run at a low speed to save battery" is translated by smarter
cpus into "please save battery" and on spudstop the CPU would go "umm
duh ok 300MHz"

Ok now I think I understand your gripe.