From: "Rafael J. Wysocki" <rjw@sisk.pl>
To: Jeremy Maitin-Shepard <jbms@cmu.edu>
Cc: david@lang.hm, LKML <linux-kernel@vger.kernel.org>,
Kyle Moffett <mrmacman_g4@mac.com>, Al Boldi <a1426z@gawab.com>,
"Eric W. Biederman" <ebiederm@xmission.com>,
Pavel Machek <pavel@ucw.cz>, "Huang, Ying" <ying.huang@intel.com>,
Andrew Morton <akpm@linux-foundation.org>,
pm list <linux-pm@lists.linux-foundation.org>
Subject: Re: Hibernation considerations
Date: Tue, 17 Jul 2007 22:58:33 +0200 [thread overview]
Message-ID: <200707172258.35113.rjw@sisk.pl> (raw)
In-Reply-To: <87k5syg3yi.fsf@jbms.ath.cx>
On Tuesday, 17 July 2007 22:39, Jeremy Maitin-Shepard wrote:
> david@lang.hm writes:
>
> [snip]
>
> > the non-ACPI hibernate behaves very differently, and for some people (and I
> > think I am one of them) it will meet their needs better then _any_ of the ACPI
> > suspends.
>
> It may have certain differences from the user point of view, but from
> the implementation view, it seems that it is nearly exactly the same.
> The only differences seem to be:
>
> - rather than shutting down, do whatever is necessary to stick the
> system in S4 state.
>
> - make sure ACPI isn't initialized by the "load image" kernel
>
> - rather than "resume from hibernate" ACPI by initializing it normally,
> issue the special hibernate-related methods.
>
> Thus, it seems that supporting ACPI S4 will have a very minimal affect
> on the hibernate implementation.
Still, you need to take it into account.
Greetings,
Rafael
--
"Premature optimization is the root of all evil." - Donald Knuth
next prev parent reply other threads:[~2007-07-17 20:58 UTC|newest]
Thread overview: 110+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <Pine.LNX.4.64.0707151633240.25614@asgard.lang.hm>
2007-07-16 14:21 ` Hibernation considerations Alan Stern
2007-07-17 4:45 ` david
2007-07-17 14:15 ` Alan Stern
2007-07-17 14:40 ` Rafael J. Wysocki
[not found] ` <200707171640.39955.rjw@sisk.pl>
2007-07-17 15:29 ` david
2007-07-17 16:02 ` Rafael J. Wysocki
[not found] ` <200707171802.30903.rjw@sisk.pl>
2007-07-17 17:06 ` david
[not found] ` <Pine.LNX.4.64.0707170959160.2467@asgard.lang.hm>
2007-07-17 19:50 ` Rafael J. Wysocki
[not found] ` <200707172150.44417.rjw@sisk.pl>
2007-07-17 20:18 ` david
2007-07-17 20:39 ` Jeremy Maitin-Shepard
2007-07-17 20:57 ` Rafael J. Wysocki
2007-07-17 20:53 ` david
2007-07-17 21:37 ` Rafael J. Wysocki
[not found] ` <200707172337.24683.rjw@sisk.pl>
2007-07-17 21:42 ` david
2007-07-17 21:53 ` Jeremy Maitin-Shepard
[not found] ` <87k5syg3yi.fsf@jbms.ath.cx>
2007-07-17 20:39 ` david
2007-07-17 20:58 ` Rafael J. Wysocki [this message]
2007-07-21 10:25 ` Pavel Machek
[not found] ` <20070721102520.GE1902@elf.ucw.cz>
2007-07-21 15:35 ` Jeremy Maitin-Shepard
2007-07-21 17:56 ` Pavel Machek
[not found] ` <20070721175639.GA3701@elf.ucw.cz>
2007-07-21 19:35 ` david
2007-07-21 19:49 ` Pavel Machek
[not found] ` <20070721194906.GC3701@elf.ucw.cz>
2007-07-21 22:14 ` david
2007-08-01 16:58 ` Stefan Seyfried
2007-07-17 20:24 ` Jeremy Maitin-Shepard
2007-07-17 20:44 ` david
2007-07-17 21:00 ` Rafael J. Wysocki
2007-07-17 16:09 ` Jeremy Maitin-Shepard
2007-07-17 18:32 ` Alan Stern
[not found] ` <87hco3ypt5.fsf@jbms.ath.cx>
2007-07-17 19:54 ` Rafael J. Wysocki
2007-07-21 10:17 ` Pavel Machek
[not found] <Pine.LNX.4.44L0.0707171835560.8690-100000@iolanthe.rowland.org>
2007-07-17 22:37 ` david
2007-07-18 14:29 ` Alan Stern
2007-07-18 14:47 ` Rafael J. Wysocki
[not found] ` <200707181647.32620.rjw@sisk.pl>
2007-07-20 4:40 ` Al Boldi
[not found] ` <200707200740.38158.a1426z@gawab.com>
2007-07-20 10:59 ` Rafael J. Wysocki
[not found] <Pine.LNX.4.44L0.0707171416120.3728-100000@iolanthe.rowland.org>
2007-07-17 20:17 ` Rafael J. Wysocki
2007-07-17 20:27 ` david
2007-07-17 21:20 ` Rafael J. Wysocki
2007-07-17 22:38 ` Alan Stern
[not found] ` <200707172217.01890.rjw@sisk.pl>
2007-07-17 20:34 ` david
2007-07-17 20:54 ` Jeremy Maitin-Shepard
[not found] ` <87fy3mg39r.fsf@jbms.ath.cx>
2007-07-17 21:04 ` david
[not found] ` <200707172323.51702.rjw@sisk.pl>
2007-07-17 21:17 ` david
[not found] ` <871wf6g1q1.fsf@jbms.ath.cx>
2007-07-17 21:27 ` david
2007-07-17 21:54 ` Rafael J. Wysocki
2007-07-17 21:45 ` Rafael J. Wysocki
2007-07-17 21:27 ` Jeremy Maitin-Shepard
2007-07-17 21:43 ` Rafael J. Wysocki
2007-07-17 21:23 ` Rafael J. Wysocki
2007-07-17 20:34 ` Jeremy Maitin-Shepard
[not found] ` <87odiag45q.fsf@jbms.ath.cx>
2007-07-17 20:37 ` david
2007-07-17 20:56 ` Jeremy Maitin-Shepard
[not found] ` <87bqeag369.fsf@jbms.ath.cx>
2007-07-17 21:06 ` david
[not found] ` <Pine.LNX.4.64.0707171404330.2467@asgard.lang.hm>
2007-07-17 21:40 ` Rafael J. Wysocki
2007-07-17 21:24 ` Rafael J. Wysocki
2007-07-17 21:11 ` Rafael J. Wysocki
[not found] <Pine.LNX.4.44L0.0707161045520.3410-100000@iolanthe.rowland.org>
2007-07-16 16:51 ` Al Boldi
[not found] ` <200707161951.35225.a1426z@gawab.com>
2007-07-17 4:37 ` david
[not found] <Pine.LNX.4.44L0.0707161013440.3410-100000@iolanthe.rowland.org>
2007-07-16 15:25 ` Rafael J. Wysocki
[not found] <200707160938.16037.nigel@nigel.suspend2.net>
2007-07-16 14:15 ` Alan Stern
[not found] <Pine.LNX.4.44L0.0707151918340.30402-100000@netrider.rowland.org>
2007-07-15 23:58 ` david
2007-07-16 5:02 ` Al Boldi
[not found] ` <200707160802.46567.a1426z@gawab.com>
2007-07-16 6:49 ` david
2007-07-16 13:32 ` Al Boldi
[not found] ` <200707161632.02334.a1426z@gawab.com>
2007-07-17 4:33 ` david
2007-07-17 12:08 ` Al Boldi
[not found] ` <200707171508.06921.a1426z@gawab.com>
2007-07-17 14:18 ` Rafael J. Wysocki
2007-07-17 15:23 ` david
2007-07-16 14:53 ` Alan Stern
[not found] <Pine.LNX.4.44L0.0707151915570.28934-100000@netrider.rowland.org>
2007-07-15 23:53 ` david
2007-07-16 5:18 ` Jeremy Maitin-Shepard
[not found] <Pine.LNX.4.44L0.0707151914450.28934-100000@netrider.rowland.org>
2007-07-15 23:38 ` Nigel Cunningham
2007-07-15 23:41 ` david
[not found] <200707152040.33836.a1426z@gawab.com>
2007-07-15 23:28 ` Alan Stern
[not found] <Pine.LNX.4.44L0.0707151220570.24011-100000@netrider.rowland.org>
2007-07-15 17:40 ` Al Boldi
2007-07-15 19:52 ` david
[not found] <200707151433.34625.rjw@sisk.pl>
2007-07-15 12:51 ` Nigel Cunningham
2007-07-15 12:58 ` Dr. David Alan Gilbert
[not found] ` <200707151810.33554.a1426z@gawab.com>
2007-07-15 15:35 ` jimmy bahuleyan
2007-07-15 16:29 ` Alan Stern
[not found] ` <469A3EB9.8000304@gmail.com>
2007-07-15 17:40 ` Al Boldi
[not found] ` <469A8515.3080109@gmx.de>
2007-07-15 19:46 ` david
2007-07-15 20:13 ` david
[not found] ` <200707160047.28420.rjw@sisk.pl>
2007-07-15 22:42 ` david
2007-07-15 23:15 ` Alan Stern
2007-07-15 23:22 ` Rafael J. Wysocki
[not found] ` <200707160122.09840.rjw@sisk.pl>
2007-07-15 23:49 ` david
2007-07-16 12:06 ` Rafael J. Wysocki
2007-07-16 12:38 ` Jim Crilly
2007-07-16 15:29 ` Rafael J. Wysocki
[not found] ` <200707161729.16440.rjw@sisk.pl>
2007-07-17 4:28 ` david
2007-07-17 10:42 ` Matthew Garrett
[not found] ` <20070717104231.GA32486@srcf.ucam.org>
2007-07-17 15:19 ` david
[not found] ` <Pine.LNX.4.64.0707170818460.19248@asgard.lang.hm>
2007-07-18 2:18 ` Matthew Garrett
[not found] ` <20070718021817.GA13502@srcf.ucam.org>
2007-07-18 3:54 ` david
2007-07-18 11:10 ` Matthew Garrett
[not found] ` <20070718111016.GA18716@srcf.ucam.org>
2007-07-18 12:56 ` david
2007-07-15 22:47 ` Rafael J. Wysocki
2007-07-15 23:17 ` Alan Stern
2007-07-15 20:35 ` Cornelius Riemenschneider
[not found] ` <20070715125855.GA1737@gallifrey>
2007-07-15 22:38 ` Rafael J. Wysocki
[not found] ` <200707160038.12943.rjw@sisk.pl>
2007-07-15 22:27 ` david
[not found] ` <Pine.LNX.4.64.0707151526080.25614@asgard.lang.hm>
2007-07-17 17:40 ` Dr. David Alan Gilbert
[not found] ` <20070717174044.GA11212@gallifrey>
2007-07-17 17:49 ` david
2007-07-29 6:53 ` Vojtech Pavlik
[not found] ` <20070729065352.GB17084@suse.cz>
2007-07-29 9:56 ` Rafael J. Wysocki
2007-07-16 0:51 ` Matthew Garrett
[not found] ` <20070716005135.GB8140@srcf.ucam.org>
2007-07-16 0:51 ` david
2007-07-15 12:33 Rafael J. Wysocki
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