Re: CVS commit: src/sys/arch/x86/x86

[Jukka Ruohonen <jruohonen%iki.fi@localhost>]

On Fri, Mar 04, 2011 at 04:04:53PM +1100, matthew green wrote:
> > Raise the return value of the match-function of est(4) and powernow(4).
> > The assigned priorities are now: 10 for acpicpu(4), 5 for est(4) and
> > powernow(4), and 1 for odcm(4). These are used to pick the preferred driver.
> 
> to the best of my knowledge, odcm(4) is separate to est(4) and
> old school speedstep, and both can be active at the same time.
> 
> i've certainly done this on an old P4-M.

This was discussed on port-i386@ and port-amd64@. Yes, both may be used at
the same time. Yet, this is a curiosity. ODCM is nearly useless. No one even
reported using it.

- Jukka.