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

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Message-ID: <20100527205916.1659374e@lxorguk.ukuu.org.uk>
Date:	Thu, 27 May 2010 20:59:16 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Matthew Garrett <mjg59@...f.ucam.org>
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, 27 May 2010 19:23:03 +0100
Matthew Garrett <mjg59@...f.ucam.org> wrote:

> On Thu, May 27, 2010 at 08:18:49PM +0200, Thomas Gleixner wrote:
> > On Thu, 27 May 2010, Matthew Garrett 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.
> > 
> > How does that solve the problems you mentioned above ? Wakeup
> > guarantees, latencies ...
> 
> Latency doesn't matter because we don't care when the next timer is due 
> to expire.

In your specific current implementation. It matters a hell of a lot in
most cases.

Alan
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