linux-kernel - Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8)

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Message-ID: <Pine.LNX.4.44L0.1005271334560.3239-100000@iolanthe.rowland.org>
Date:	Thu, 27 May 2010 13:36:12 -0400 (EDT)
From:	Alan Stern <stern@...land.harvard.edu>
To:	Thomas Gleixner <tglx@...utronix.de>
cc:	Matthew Garrett <mjg59@...f.ucam.org>,
	Peter Zijlstra <peterz@...radead.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Florian Mickler <florian@...kler.org>,
	<felipe.balbi@...ia.com>,
	Linux OMAP Mailing List <linux-omap@...r.kernel.org>,
	Linux PM <linux-pm@...ts.linux-foundation.org>,
	Alan Cox <alan@...rguk.ukuu.org.uk>
Subject: Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8)

On Thu, 27 May 2010, Thomas Gleixner wrote:

> Crap. Stop beating on those lost wakeup events. If we lose them then
> the drivers are broken and do not handle the switch over correctly. Or
> the suspend mechanism is broken as it does not evaluate the system
> state correctly. Blockers are just papering over that w/o tackling the
> real problem.

That's the point -- suspend does not evaluate the system state 
correctly because it doesn't have the necessary information.  Suspend 
blockers are a way of providing it that information.  They don't paper 
over the problem; they solve it.

Alan Stern

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