[linux-pm] [PATCH 05/13] PM: Add option to disable /sys/power/state interface

Rafael J. Wysocki rjw at sisk.pl
Sun Feb 8 15:41:35 PST 2009


On Sunday 08 February 2009, Pavel Machek wrote:
> Hi!
> 
> 
> > Being in suspend, where periodic user and kernel timers aren't running,
> > and random userspace threads aren't possibly spinning, rather than just 
> > being in idle in the lowest power possible state, represent a pretty 
> > significant power savings.
> 
> If kernel timers fire too often, fix them. If user land spins, fix it,
> or SIGSTOP.
> 
> And yes, autosleep is useful. That's why I done those "sleepy linux"
> patches.

I agree, it is.  Still, I don't think the wakelocks in the proposed form are
the right way to implement it.

Thanks,
Rafael


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