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

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Message-ID: <20100527223512.GA11364@srcf.ucam.org>
Date:	Thu, 27 May 2010 23:35:12 +0100
From:	Matthew Garrett <mjg59@...f.ucam.org>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
Cc:	Peter Zijlstra <peterz@...radead.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	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 11:32:47PM +0100, Alan Cox wrote:
> > The kernel performs no explicit notification to userspace. With legacy 
> 
> For a PC ACPI using type device /proc/acpi/events which wakes acpid which
> wakes gnome-power-manager which wakes half the universe

No, there's no explicit /proc/acpi/event notification on resume.

> Do we need a better more generic version of the events files - maybe but
> thats a rather different kettle of fish to suspend blockers.

It's a requirement for any reasonable alternative approach.

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