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Date:	Wed, 5 May 2010 14:31:31 +0100
From:	Matthew Garrett <mjg@...hat.com>
To:	mark gross <mgross@...ux.intel.com>
Cc:	Alan Stern <stern@...land.harvard.edu>, markgross@...gnar.org,
	Len Brown <len.brown@...el.com>, linux-doc@...r.kernel.org,
	Kernel development list <linux-kernel@...r.kernel.org>,
	Jesse Barnes <jbarnes@...tuousgeek.org>,
	Oleg Nesterov <oleg@...hat.com>, Tejun Heo <tj@...nel.org>,
	Linux-pm mailing list <linux-pm@...ts.linux-foundation.org>,
	Wu Fengguang <fengguang.wu@...el.com>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [linux-pm] [PATCH 1/8] PM: Add suspend block api.

On Tue, May 04, 2010 at 06:50:50PM -0700, mark gross wrote:

> In my sequence above I had the modem driver "magically" knowing to fail
> this suspend attempt.  (that "magic" wasn't fully thought out though.)

If the modem driver knows to "magically" fail a suspend attempt until it 
knows that userspace has consumed the event, you have something that 
looks awfully like suspend blockers.

> There *has* to be a better way.

But nobody has reasonably proposed one and demonstrated that it works. 
We've had over a year to do so and failed, and I think it's pretty 
unreasonable to ask Google to attempt to rearchitect based on a 
hypothetical.

-- 
Matthew Garrett | mjg59@...f.ucam.org
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