[Fwd: Re: via-pmu runs device_power_down in atomic context]

[Jon Loeliger]

On Thu, 2006-05-25 at 09:44, Andrew Morton wrote:

> > In essence, the problem seemed to be that the cpufreq notifier chain is
> > sometimes expected to be blocking and sometimes expected to be atomic,
> > based on the "val" code passed to notifier_call_chain.  The cleanest
> > solution would be to split the single notifier chain into two chains,
> > one always blocking and the other always atomic.
> > 
> > Somebody who knows more about cpufreq than I do will have to make that
> > change.
> > 
> 
> I wouldn't describe the cpufreq project as a teeming hive of frenetic
> activity, and we need something pronto.
> 
> We could go back to a raw_notifier and be as buggy as we used to be.

It _is_ actively being pursued today for a cleaned up
implementation.  If there are issues or requirements
here, we should really pass them on to the linux-pm list.

Thanks,
jdl