linux-kernel - Re: [RFC][PATCH] PM: Avoid losing wakeup events during suspend

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Date:	Mon, 21 Jun 2010 12:01:09 -0400 (EDT)
From:	Alan Stern <stern@...land.harvard.edu>
To:	markgross@...gnar.org
cc:	"Rafael J. Wysocki" <rjw@...k.pl>,
	Linux-pm mailing list <linux-pm@...ts.linux-foundation.org>,
	Matthew Garrett <mjg59@...f.ucam.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Arve Hjønnevåg <arve@...roid.com>,
	Neil Brown <neilb@...e.de>, mark gross <640e9920@...il.com>
Subject: Re: [RFC][PATCH] PM: Avoid losing wakeup events during suspend

On Sun, 20 Jun 2010, mark gross wrote:

> Your confused about what problem this patch attempts to solve.

I don't think so.  Rafael's description was pretty clear.

>  There is
> a pm_qos patch in the works to address the suspend blocker
> functionality.
> http://lists.linux-foundation.org/pipermail/linux-pm/2010-June/026760.html

No.  That patch addresses something _similar_ to the suspend blocker
functionality.  The fact remains, though, that pm_qos is not used
during system suspend (the /sys/power/state interface), hence changes
to pm_qos won't solve the system-suspend problems that suspend blockers 
do solve.

Alan Stern

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