linux-kernel - Re: suspend blockers & Android integration

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Message-ID: <20100610135844.GH4514@ucw.cz>
Date:	Thu, 10 Jun 2010 15:58:45 +0200
From:	Pavel Machek <pavel@....cz>
To:	Brian Swetland <swetland@...gle.com>
Cc:	Ingo Molnar <mingo@...e.hu>, tytso@....edu,
	Neil Brown <neilb@...e.de>, Arve Hj?nnev?g <arve@...roid.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	Alan Stern <stern@...land.harvard.edu>,
	Felipe Balbi <felipe.balbi@...ia.com>,
	Peter Zijlstra <peterz@...radead.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Florian Mickler <florian@...kler.org>,
	Linux OMAP Mailing List <linux-omap@...r.kernel.org>,
	Linux PM <linux-pm@...ts.linux-foundation.org>,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	James Bottomley <James.Bottomley@...e.de>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Subject: Re: suspend blockers & Android integration

Hi!

> >> We started here because it's possibly the only api level change we have --
> >> almost everything else is driver or subarch type work or controversial but
> >> entirely self-contained (like the binder, which I would be shocked to see
> >> ever hit mainline). [...]
> >
> > So why arent those bits mainline? It's a 1000 times easier to get drivers and
> > small improvements and non-ABI changes upstream.
> >
> > After basically two years of growing your fork (and some attempts to get your
> > drivers into drivers/staging/ - from where they have meanwhile dropped out
> > again) you re-started with the worst possible thing to merge: a big and
> > difficult kernel feature affecting many subsystems. Why?
> 
> Because a large number of our drivers depend on it.

The dependencies are trivial. Last time I checked, you had about
150KLoC drivers, with about 100 lines depending on wakelock support --
I know, I cleaned it up from staging.

The changes required for merging 150KLoC will be definitely much
bigger than 100 lines...

-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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