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

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Message-ID: <20100527172510.GC2468@srcf.ucam.org>
Date:	Thu, 27 May 2010 18:25:10 +0100
From:	Matthew Garrett <mjg59@...f.ucam.org>
To:	Peter Zijlstra <peterz@...radead.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, May 27, 2010 at 07:20:56PM +0200, Peter Zijlstra wrote:

> Suppose X (or whatever windowing system) will block all clients that try
> to draw when you switch off your screen.
> 
> How would we not wake them when we do turn the screen back on and start
> servicing the pending requests again?

How (and why) does the WoL (which may be *any* packet, not just a magic 
one) turn the screen back on?

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