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

From: Arve Hjønnevåg
Date: Wed May 26 2010 - 06:40:50 EST


2010/5/26 Peter Zijlstra <peterz@xxxxxxxxxxxxx>:
> On Wed, 2010-05-26 at 03:25 -0700, Arve Hjønnevåg wrote:
>
>> and on systems where the
>> same power state can be used from idle and suspend, we use suspend so
>> we can stay in the low power state for minutes to hours instead of
>> milliseconds to seconds.
>
> So don't you think working on making it possible for systems to be idle
> _that_ long would improve things for everybody? as opposed to this
> auto-suspend which only improves matters for those that (can) use it?

I'm not preventing anyone from working on improving this. Currently
both the kernel and our user-space code polls way too much. I don't
think it is reasonable to demand that no one should run any user-space
code with periodic timers when we have not even fixed the kernel to
not do this.

--
Arve Hjønnevåg
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