From: Alan Stern <stern@rowland.harvard.edu>
To: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: mark gross <640e9920@gmail.com>, Neil Brown <neilb@suse.de>,
Dmitry Torokhov <dmitry.torokhov@gmail.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Florian Mickler <florian@mickler.org>,
Linux-pm mailing list <linux-pm@lists.linux-foundation.org>
Subject: Re: [update 2] Re: [RFC][PATCH] PM: Avoid losing wakeup events during suspend
Date: Fri, 25 Jun 2010 16:57:57 -0400 (EDT) [thread overview]
Message-ID: <Pine.LNX.4.44L0.1006251654470.1322-100000__29471.6574055657$1277499552$gmane$org@iolanthe.rowland.org> (raw)
In-Reply-To: <201006252237.50584.rjw@sisk.pl>
On Fri, 25 Jun 2010, Rafael J. Wysocki wrote:
> > > You seem to be referring to the PM workqueue specifically. Perhaps it would be
> > > better to special-case it and stop it by adding a barrier work during suspend
> > > instead of just freezing? Then, it wouldn't need to be singlethread any more.
> >
> > The barrier work would have to be queued to each CPU's thread. That
> > would be okay.
>
> I guess we should stop the PM workqueue after the freezing of tasks, shouldn't we?
Yes. The exact spot probably doesn't matter; that's as good as any.
> > Hmm, it looks like wait_event_freezable() and
> > wait_event_freezable_timeout() could use similar changes: If the
> > condition is true then they shouldn't try to freeze the caller.
>
> Yes, but that should be a separate patch IMHO.
Agreed.
Alan Stern
next prev parent reply other threads:[~2010-06-25 20:57 UTC|newest]
Thread overview: 150+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-19 22:05 [RFC][PATCH] PM: Avoid losing wakeup events during suspend Rafael J. Wysocki
2010-06-20 5:52 ` mark gross
2010-06-20 5:52 ` mark gross
2010-06-20 12:49 ` Rafael J. Wysocki
2010-06-20 23:13 ` mark gross
2010-06-20 23:13 ` mark gross
2010-06-20 12:49 ` Rafael J. Wysocki
2010-06-20 16:28 ` Alan Stern
2010-06-20 16:28 ` Alan Stern
2010-06-20 21:50 ` Rafael J. Wysocki
2010-06-21 2:23 ` Alan Stern
2010-06-21 2:23 ` Alan Stern
2010-06-21 5:32 ` Florian Mickler
2010-06-21 5:32 ` Florian Mickler
2010-06-21 15:23 ` Alan Stern
2010-06-21 20:38 ` Florian Mickler
2010-06-21 22:18 ` Alan Stern
2010-06-21 22:18 ` Alan Stern
2010-06-21 22:40 ` Rafael J. Wysocki
2010-06-21 22:48 ` Rafael J. Wysocki
2010-06-21 22:48 ` Rafael J. Wysocki
2010-06-22 0:50 ` Arve Hjønnevåg
2010-06-22 0:50 ` Arve Hjønnevåg
2010-06-22 10:21 ` Rafael J. Wysocki
2010-06-22 10:21 ` Rafael J. Wysocki
2010-06-22 14:35 ` Alan Stern
2010-06-22 15:35 ` Rafael J. Wysocki
2010-06-22 19:55 ` Alan Stern
2010-06-22 19:55 ` Alan Stern
2010-06-22 20:58 ` Rafael J. Wysocki
2010-06-22 20:58 ` Rafael J. Wysocki
2010-06-22 19:59 ` [update] " Rafael J. Wysocki
2010-06-24 14:16 ` Andy Lutomirski
2010-06-24 14:16 ` Andy Lutomirski
2010-06-24 14:45 ` Alan Stern
2010-06-24 14:45 ` Alan Stern
2010-06-24 14:48 ` Rafael J. Wysocki
2010-06-24 15:21 ` Andy Lutomirski
2010-06-24 15:21 ` Andy Lutomirski
2010-06-24 14:48 ` Rafael J. Wysocki
2010-06-22 19:59 ` Rafael J. Wysocki
2010-06-22 20:34 ` Alan Stern
2010-06-22 20:34 ` Alan Stern
2010-06-22 21:41 ` Rafael J. Wysocki
2010-06-23 2:12 ` Alan Stern
2010-06-23 2:12 ` Alan Stern
2010-06-23 10:09 ` Rafael J. Wysocki
2010-06-23 10:09 ` Rafael J. Wysocki
2010-06-23 15:21 ` Alan Stern
2010-06-23 15:21 ` Alan Stern
2010-06-23 22:17 ` Rafael J. Wysocki
2010-06-23 22:17 ` Rafael J. Wysocki
2010-06-24 13:13 ` [update 2] " Rafael J. Wysocki
2010-06-24 15:06 ` Rafael J. Wysocki
2010-06-24 15:35 ` Alan Stern
2010-06-24 15:35 ` Alan Stern
2010-06-24 23:00 ` [update 3] " Rafael J. Wysocki
2010-06-24 23:00 ` Rafael J. Wysocki
2010-06-25 14:42 ` Alan Stern
2010-06-25 14:42 ` Alan Stern
2010-06-25 20:33 ` Rafael J. Wysocki
2010-06-25 20:33 ` Rafael J. Wysocki
2010-06-24 15:06 ` [update 2] " Rafael J. Wysocki
2010-06-24 15:44 ` Alan Stern
2010-06-24 15:44 ` Alan Stern
2010-06-24 16:19 ` Rafael J. Wysocki
2010-06-24 17:09 ` Alan Stern
2010-06-24 23:06 ` Rafael J. Wysocki
2010-06-24 23:06 ` Rafael J. Wysocki
2010-06-25 15:09 ` Alan Stern
2010-06-25 15:09 ` Alan Stern
2010-06-25 20:37 ` Rafael J. Wysocki
2010-06-25 20:57 ` Alan Stern
2010-06-25 20:57 ` Alan Stern [this message]
2010-06-25 20:37 ` Rafael J. Wysocki
2010-06-25 6:40 ` Florian Mickler
2010-06-25 6:40 ` Florian Mickler
2010-06-25 13:28 ` Rafael J. Wysocki
2010-06-25 13:28 ` Rafael J. Wysocki
2010-06-24 17:09 ` Alan Stern
2010-06-24 16:19 ` Rafael J. Wysocki
2010-06-24 13:13 ` Rafael J. Wysocki
2010-06-22 21:41 ` [update] " Rafael J. Wysocki
2010-06-22 15:35 ` Rafael J. Wysocki
2010-06-22 14:35 ` Alan Stern
2010-06-22 23:00 ` mark gross
2010-06-22 23:00 ` mark gross
2010-06-21 22:40 ` Rafael J. Wysocki
2010-06-21 20:38 ` Florian Mickler
2010-06-21 15:23 ` Alan Stern
2010-06-21 16:54 ` Alan Stern
2010-06-21 20:40 ` Florian Mickler
2010-06-21 20:40 ` Florian Mickler
2010-06-21 21:18 ` Rafael J. Wysocki
2010-06-21 21:18 ` Rafael J. Wysocki
2010-06-21 22:27 ` Alan Stern
2010-06-21 22:27 ` Alan Stern
2010-06-21 16:54 ` Alan Stern
2010-06-21 6:13 ` mark gross
2010-06-21 6:13 ` mark gross
2010-06-21 12:10 ` tytso
2010-06-21 12:10 ` tytso
2010-06-21 12:22 ` Alan Cox
2010-06-21 12:22 ` Alan Cox
2010-06-21 12:26 ` Florian Mickler
2010-06-21 12:26 ` Florian Mickler
2010-06-21 12:26 ` Florian Mickler
2010-06-21 13:42 ` tytso
2010-06-21 14:01 ` Alan Cox
2010-06-21 14:01 ` Alan Cox
2010-06-21 13:42 ` tytso
2010-06-22 1:07 ` mark gross
2010-06-22 1:07 ` mark gross
2010-06-21 16:01 ` Alan Stern
2010-06-21 16:01 ` Alan Stern
2010-06-22 1:25 ` mark gross
2010-06-22 2:24 ` Alan Stern
2010-06-22 2:24 ` Alan Stern
2010-06-22 1:25 ` mark gross
2010-06-21 21:58 ` Rafael J. Wysocki
2010-06-21 21:58 ` Rafael J. Wysocki
2010-06-20 21:50 ` Rafael J. Wysocki
2010-06-20 22:58 ` mark gross
2010-06-21 2:33 ` Alan Stern
2010-06-21 2:33 ` Alan Stern
2010-06-21 4:04 ` [linux-pm] " David Brownell
2010-06-21 4:04 ` David Brownell
2010-06-21 6:02 ` [linux-pm] " David Brownell
2010-06-21 6:02 ` David Brownell
2010-06-21 15:06 ` Alan Stern
2010-06-21 15:06 ` [linux-pm] " Alan Stern
2010-06-21 5:55 ` mark gross
2010-06-21 12:39 ` Florian Mickler
2010-06-21 12:39 ` Florian Mickler
2010-06-21 15:57 ` Alan Stern
2010-06-21 15:57 ` Alan Stern
2010-06-22 1:58 ` mark gross
2010-06-22 2:46 ` Alan Stern
2010-06-22 2:46 ` Alan Stern
2010-06-22 9:24 ` Rafael J. Wysocki
2010-06-22 9:24 ` Rafael J. Wysocki
2010-06-22 6:18 ` Florian Mickler
2010-06-22 6:18 ` Florian Mickler
2010-06-22 23:22 ` mark gross
2010-06-22 23:22 ` mark gross
2010-06-22 9:29 ` Rafael J. Wysocki
2010-06-22 9:29 ` Rafael J. Wysocki
2010-06-22 1:58 ` mark gross
2010-06-21 5:55 ` mark gross
2010-06-20 22:58 ` mark gross
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