Re: [RFC] sleepy linux

Pavel Machek
2007-12-26T20:17:22Z

On Wed 2007-12-26 18:28:04, Oliver Neukum wrote:
> Am Mittwoch, 26. Dezember 2007 00:07:31 schrieb Pavel Machek:
> > Heute 00:07:31
> >
> > This is RFC. It does not even work for me... it sleeps but it will not
> > wake up, because SATA wakeup code is missing. Code attached for illustration.
> >
> > I wonder if this is the right approach? What is right interface to the
> > drivers?
>
> IMHO you are making to many special cases. The system can be "sleepy"
> if all devices can be runtime suspended and all CPUs are idle.

Is there an easy way to tell if all the devices are runtime suspended?

I guess I need to know from atomic context :-(.
Pavel
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