Re: [PATCH 0/8] Suspend block api (version 8)

Matthew Garrett
2010-05-27T14:35:08Z

On Thu, May 27, 2010 at 04:28:51PM +0200, Peter Zijlstra wrote:
> On Thu, 2010-05-27 at 15:06 +0100, Matthew Garrett wrote:
> > one way which indicates to the scheduler that tasks in TASK_RUNNING
> > should be scheduled, and when the session is idle we set the flag the
> > other way and all processes in that cgroup get shifted to
> > TASK_INTERRUPTIBLE or something.
>
> What's wrong with simply making the phone beep loudly and displaying:
> bouncing cows is preventing your phone from sleeping!

Well, primarily that it's possible to design an implementation where it
*doesn't* prevent your phone froms sleeping, but also because a given
application may justifiably be preventing your phone from sleeping for a
short while. What threshold do you use to determine the difference?

--
Matthew Garrett | mjg59@srcf.ucam.org