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

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Message-ID: <20100527182058.GL3543@srcf.ucam.org>
Date:	Thu, 27 May 2010 19:20:58 +0100
From:	Matthew Garrett <mjg59@...f.ucam.org>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	Arve Hjønnevåg <arve@...roid.com>,
	Florian Mickler <florian@...kler.org>,
	Vitaly Wool <vitalywool@...il.com>,
	Peter Zijlstra <peterz@...radead.org>,
	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 07:17:16PM +0100, Alan Cox wrote:
> > Actually, the reverse - there's no terribly good way to make PCs work 
> > with scheduler-based suspend, but there's no reason why they wouldn't 
> > work with the current opportunistic suspend implementation.
> 
> If one works so does the other.

Not at all. The entire point of opportunistic suspend is that I don't 
care is currently in TASK_RUNNABLE or has a timer that's due to expire 
in 100msec - based on policy (through not having any held suspend 
blockers), I'll go to sleep. That's easily possible on PCs.

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