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

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Message-ID: <20100527220949.GB10602@srcf.ucam.org>
Date:	Thu, 27 May 2010 23:09:49 +0100
From:	Matthew Garrett <mjg59@...f.ucam.org>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
Cc:	Alan Stern <stern@...land.harvard.edu>,
	Thomas Gleixner <tglx@...utronix.de>,
	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>
Subject: Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8)

On Thu, May 27, 2010 at 11:08:06PM +0100, Alan Cox wrote:

> This is I believe robust (and has been implemented on some non x86
> boxes). It depends on not forcing running tasks into suspend. That is the
> key.

We've already established that ACPI systems require us to force running 
tasks into suspend. How do we avoid the race in that situation?

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