[linux-pm] Some thoughts on suspend/resume development

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On Wed, 9 Mar 2005 10:52:24 -0800
"David Brownell" <david-b@xxxxxxxxxxx> wrote:

> There's something to be said for an integrated policy ... but at
> the same time, cramming too much stuff into the bag can leave you
> with a lot of holes ripped in it by sharp corners sticking out!
> There are times it's better to use more than one bag.  :)

I like that analogy.  

You make some great points.  I just want to avoid a situation where we
have power thresholds spread out all over the sysfs, which in my eyes
takes a fairly complicated and intelligent user agent to deal with,
especially when one would need to manage large numbers of devices at a
time.  Far better to offload that complexity to the user, and force
them to craft an complete policy instead.

Let me qualify that I'm coming at this from a completely
embedded perspective.  In my mind, I'm power managing a nice closed
device with a fixed list of devices.  I realize the real world doesn't
always work like that.

Anyway, this is why I mentioned DPM, because the general design nicely
mirrored what my concerns and requirements were.

Jordan

-- 
Jordan Crouse
Senior Linux Engineer
AMD - Personal Connectivity Solutions Group
<www.amd.com/embeddedprocessors>




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