linux-kernel - Re: [PATCH 1/8] PM: Opportunistic suspend support.

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Message-ID: <1274863387.5882.4855.camel@twins>
Date:	Wed, 26 May 2010 10:43:07 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Alan Stern <stern@...land.harvard.edu>,
	Arve Hjønnevåg <arve@...roid.com>,
	Linux-pm mailing list <linux-pm@...ts.linux-foundation.org>,
	Kernel development list <linux-kernel@...r.kernel.org>,
	Len Brown <len.brown@...el.com>, Pavel Machek <pavel@....cz>,
	Randy Dunlap <rdunlap@...otime.net>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Andi Kleen <ak@...ux.intel.com>,
	Cornelia Huck <cornelia.huck@...ibm.com>,
	Tejun Heo <tj@...nel.org>,
	Jesse Barnes <jbarnes@...tuousgeek.org>,
	Nigel Cunningham <nigel@...onice.net>,
	Ming Lei <tom.leiming@...il.com>,
	Wu Fengguang <fengguang.wu@...el.com>,
	Maxim Levitsky <maximlevitsky@...il.com>,
	linux-doc@...r.kernel.org
Subject: Re: [PATCH 1/8] PM: Opportunistic suspend support.

On Tue, 2010-05-25 at 22:21 +0200, Rafael J. Wysocki wrote:
> 
> Now, we can reject their patches, but that's not going to cause any progress
> to happen, realistically.  Quite on the contrary, Android will continue to use
> wakelocks and Android driver writers will continue to ignore the mainline
> and the gap between the two kernel lines will only get wider and wider over
> time.
> 
> And what really is the drawback if we merge the patches?  Quite frankly,
> I don't see any. 

A funny userspace API of questionable use (esp. with the advent of
better hardware and better runtime PM support) which we will have to
support forever seems like a big enough downside.
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