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From: "Iyer, Sundar" <sundar.iyer@intel.com>
To: "Rafael J. Wysocki" <rjw@rjwysocki.net>, NeilBrown <neilb@suse.com>
Date: Mon, 6 Jul 2015 13:49:45 +0000
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Cc: Grant Likely <grant.likely@linaro.org>, "Brown, Len" <len.brown@intel.com>,
	Alan Stern <stern@rowland.harvard.edu>,
	"ksummit-discuss@lists.linuxfoundation.org"
	<ksummit-discuss@lists.linuxfoundation.org>, Kristen
	Carlson Accardi <kristen@linux.intel.com>
Subject: Re: [Ksummit-discuss] [TECH TOPIC] System-wide interface to
	specify	the level of PM tuning
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> -----Original Message-----
> From: ksummit-discuss-bounces@lists.linuxfoundation.org [mailto:ksummit-
> discuss-bounces@lists.linuxfoundation.org] On Behalf Of Rafael J. Wysocki
> Sent: Monday, July 6, 2015 7:12 AM
> To: NeilBrown
> Cc: Grant Likely; Brown, Len; Alan Stern; Kristen Carlson Accardi; ksummi=
t-
> discuss@lists.linuxfoundation.org
> Subject: Re: [Ksummit-discuss] [TECH TOPIC] System-wide interface to spec=
ify
> the level of PM tuning
>=20

> >
> > (a tiny bit like a devicetree database which contains configuration
> > rules).
> >
> > Or have I missed the point completely?
>=20
> No, I don't think you have missed it, but then most of subsystems and dri=
vers in
> the kernel know what it means to be "power-friendly", so they should be a=
ble to
> choose their defaults on the basis of one single setting somewhere.

Is a "single setting somewhere" even appropriate? It is actually the intell=
igence needed vs executing the actions?

Cheers!