Re: [RFD] Automatic suspend

Arjan van de Ven
2009-02-16T21:53:39Z

On Mon, 16 Feb 2009 22:48:32 +0100
"Rafael J. Wysocki" <rjw@sisk.pl> wrote:

> > Userland should never ever control the state of a device like this
> > directly. It should do so by a) closing the device and b) setting
> > latency / functional requirements.
>
> The user, however, may want to forcibly put a device into a low power
> state without stopping all of the applications that depend on it (eg.
> have it open). Do you think that we shouldn't allow users to do such
> things?

I would think that that is a bad mistake to do. It basically breaks the
contract that the kernel has with userspace....

--
Arjan van de Ven Intel Open Source Technology Centre
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