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

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Message-ID: <1274982981.27810.5719.camel@twins>
Date:	Thu, 27 May 2010 19:56:21 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Matthew Garrett <mjg59@...f.ucam.org>
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	Arve Hjønnevåg <arve@...roid.com>,
	Florian Mickler <florian@...kler.org>,
	Vitaly Wool <vitalywool@...il.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Paul@...p1.linux-foundation.org, felipe.balbi@...ia.com,
	Linux OMAP Mailing List <linux-omap@...r.kernel.org>,
	Linux PM <linux-pm@...ts.linux-foundation.org>
Subject: Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8)

On Thu, 2010-05-27 at 18:52 +0100, Matthew Garrett wrote:

> If that's what you're aiming for then you don't need to block 
> applications on hardware access because they should all already have 
> idled themselves.

Correct, a well behaved app would have. I thought we all agreed that
well behaved apps weren't the problem?

> > Note that it doesn't need to broadcast this, it could opt to reply with
> > that message on the first drawing attempt after it goes away and block
> > on the second.
> 
> That's more interesting, but you're changing semantics quite heavily at 
> this point.

So?
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