From: "Rafael J. Wysocki" <rjw@sisk.pl>
To: Johannes Berg <johannes@sipsolutions.net>
Cc: Nigel Cunningham <nigel@nigel.suspend2.net>,
Pekka Enberg <penberg@cs.helsinki.fi>,
Pavel Machek <pavel@ucw.cz>,
Linux-pm mailing list <linux-pm@lists.linux-foundation.org>
Subject: Re: Re: [PATCH] swsusp: do not use pm_ops (was: Re: suspend2 merge (was: Re: CFS and suspend2: hang in atomic copy))
Date: Sat, 5 May 2007 00:25:47 +0200 [thread overview]
Message-ID: <200705050025.48825.rjw@sisk.pl> (raw)
In-Reply-To: <1178315591.7408.45.camel@johannes.berg>
On Friday, 4 May 2007 23:53, Johannes Berg wrote:
> On Fri, 2007-05-04 at 23:53 +0200, Rafael J. Wysocki wrote:
> > > Plus, it may have some parts related to the communications with operating
> > > system (*)... I guess we need to save those, and parts related to hw
> > > state... where your suggestion makes sense.
> >
> > If they are accessible to us, then we can, but what if they aren't (eg. the
> > state information is stored in the embedded controller, can only be read with
> > the help of some AML invocations and cannot be changed from the OS level)?
>
> Well, in that case you also haven't overwritten/changed them during
> restore so there's no room for mismatches and confusion.
Not if we went for S5 to finish the hibernation and then we try to be smart and
rely on the BIOS-provided information/functionality *as though* we had passed
through S4.
Greetings,
Rafael
next prev parent reply other threads:[~2007-05-04 22:25 UTC|newest]
Thread overview: 117+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20070425072350.GA6866@ucw.cz>
[not found] ` <Pine.LNX.4.64.0704251239110.8406@vaio.localdomain>
[not found] ` <alpine.LFD.0.98.0704251252070.9964@woody.linux-foundation.org>
[not found] ` <20070425202741.GC17387@elf.ucw.cz>
[not found] ` <alpine.LFD.0.98.0704251332090.9964@woody.linux-foundation.org>
[not found] ` <20070425214420.GG17387@elf.ucw.cz>
[not found] ` <alpine.LFD.0.98.0704251515140.9964@woody.linux-foundation.org>
[not found] ` <1177540027.5025.87.camel@nigel.suspend2.net>
[not found] ` <alpine.LFD.0.98.0704251550210.9964@woody.linux-foundation.org>
[not found] ` <1177583998.6814.42.camel@johannes.berg>
[not found] ` <20070426113005.GU17387@elf.ucw.cz>
2007-04-26 16:31 ` suspend2 merge (was Re: [Suspend2-devel] Re: CFS and suspend2: hang in atomic copy) Johannes Berg
2007-04-26 18:40 ` Rafael J. Wysocki
2007-04-26 18:40 ` Johannes Berg
[not found] ` <1177612802.6814.121.camel@johannes.berg>
2007-04-26 19:02 ` Rafael J. Wysocki
[not found] ` <200704262102.38568.rjw@sisk.pl>
2007-04-27 9:41 ` Johannes Berg
[not found] ` <1177666915.7828.35.camel@johannes.berg>
2007-04-27 10:09 ` Johannes Berg
2007-04-27 10:18 ` Rafael J. Wysocki
[not found] ` <200704271218.07120.rjw@sisk.pl>
2007-04-27 10:19 ` Johannes Berg
[not found] ` <1177669179.7828.53.camel@johannes.berg>
[not found] ` <200704271409.56687.rjw@sisk.pl>
2007-04-27 12:07 ` Johannes Berg
2007-04-27 12:09 ` Rafael J. Wysocki
2007-04-29 12:48 ` [PATCH] swsusp: do not use pm_ops (was: Re: suspend2 merge (was: Re: CFS and suspend2: hang in atomic copy)) R. J. Wysocki
2007-04-29 12:53 ` Rafael J. Wysocki
2007-04-30 8:29 ` Johannes Berg
2007-04-30 14:51 ` Rafael J. Wysocki
2007-04-30 14:59 ` Johannes Berg
2007-05-01 14:05 ` Rafael J. Wysocki
2007-05-01 22:02 ` Rafael J. Wysocki
2007-05-02 5:13 ` Alexey Starikovskiy
2007-05-02 13:42 ` Rafael J. Wysocki
2007-05-02 14:11 ` Alexey Starikovskiy
2007-05-02 19:26 ` ACPI code in platform mode hibernation code paths (was: Re: [PATCH] swsusp: do not use pm_ops) Rafael J. Wysocki
[not found] ` <200705022126.47897.rjw@sisk.pl>
2007-05-03 22:48 ` Pavel Machek
[not found] ` <20070503224807.GD13426@elf.ucw.cz>
2007-05-03 23:14 ` Rafael J. Wysocki
2007-05-04 10:54 ` Johannes Berg
[not found] ` <1178276072.7408.7.camel@johannes.berg>
2007-05-04 12:08 ` Pavel Machek
[not found] ` <20070504120802.GF13426@elf.ucw.cz>
2007-05-04 12:29 ` Rafael J. Wysocki
2007-05-02 8:21 ` Re: [PATCH] swsusp: do not use pm_ops (was: Re: suspend2 merge (was: Re: CFS and suspend2: hang in atomic copy)) Johannes Berg
2007-05-02 9:02 ` Rafael J. Wysocki
2007-05-02 9:16 ` Pavel Machek
2007-05-02 9:25 ` Johannes Berg
2007-05-03 14:00 ` Alan Stern
2007-05-03 17:17 ` Rafael J. Wysocki
2007-05-03 18:33 ` Alan Stern
2007-05-03 19:47 ` Rafael J. Wysocki
2007-05-03 19:59 ` Alan Stern
2007-05-03 20:21 ` Rafael J. Wysocki
2007-05-04 14:40 ` Alan Stern
2007-05-04 20:20 ` Rafael J. Wysocki
2007-05-04 20:21 ` Johannes Berg
2007-05-04 20:55 ` Pavel Machek
2007-05-04 21:08 ` Johannes Berg
2007-05-04 21:15 ` Pavel Machek
2007-05-04 21:53 ` Rafael J. Wysocki
2007-05-04 21:53 ` Johannes Berg
2007-05-04 22:25 ` Rafael J. Wysocki [this message]
2007-05-05 15:52 ` Alan Stern
2007-05-07 1:16 ` Re: [PATCH] swsusp: do not use pm_ops (was: Re: ...) David Brownell
2007-05-07 21:00 ` Rafael J. Wysocki
2007-05-07 21:45 ` David Brownell
2007-05-07 22:16 ` Rafael J. Wysocki
2007-05-09 19:23 ` David Brownell
2007-05-04 21:06 ` Re: [PATCH] swsusp: do not use pm_ops (was: Re: suspend2 merge (was: Re: CFS and suspend2: hang in atomic copy)) Rafael J. Wysocki
2007-05-04 20:58 ` Pavel Machek
2007-05-04 21:24 ` Rafael J. Wysocki
2007-05-05 16:19 ` Alan Stern
2007-05-05 17:46 ` Rafael J. Wysocki
2007-05-05 21:42 ` Alan Stern
2007-05-05 22:14 ` Rafael J. Wysocki
2007-05-04 21:40 ` David Brownell
2007-05-04 22:19 ` Rafael J. Wysocki
2007-05-07 1:05 ` Re: [PATCH] swsusp: do not use pm_ops (was: Re: ...)) David Brownell
2007-05-05 16:08 ` Re: [PATCH] swsusp: do not use pm_ops (was: Re: suspend2 merge (was: Re: CFS and suspend2: hang in atomic copy)) Alan Stern
2007-05-05 17:50 ` Rafael J. Wysocki
2007-05-05 21:43 ` Alan Stern
2007-05-05 22:16 ` Rafael J. Wysocki
2007-05-07 1:31 ` Re: [PATCH] swsusp: do not use pm_ops (was: Re: ...) David Brownell
2007-05-07 16:33 ` Alan Stern
2007-05-07 20:49 ` Pavel Machek
2007-05-07 21:38 ` Alan Stern
2007-05-08 0:30 ` Pavel Machek
2007-05-03 20:33 ` Re: [PATCH] swsusp: do not use pm_ops (was: Re: suspend2 merge (was: Re: CFS and suspend2: hang in atomic copy)) David Brownell
2007-05-03 20:33 ` David Brownell
2007-05-03 20:51 ` Rafael J. Wysocki
2007-05-04 14:51 ` Alan Stern
2007-05-04 14:56 ` Johannes Berg
2007-05-04 20:27 ` Rafael J. Wysocki
2007-05-04 22:00 ` David Brownell
2007-05-05 15:49 ` Alan Stern
2007-05-07 1:10 ` Re: [PATCH] swsusp: do not use pm_ops (was: Re: ...)) David Brownell
2007-05-07 18:46 ` Alan Stern
2007-05-07 21:29 ` Rafael J. Wysocki
2007-05-07 22:22 ` Alan Stern
2007-05-07 22:47 ` Rafael J. Wysocki
2007-05-08 14:56 ` Alan Stern
2007-05-08 19:59 ` Rafael J. Wysocki
2007-05-08 21:26 ` Alan Stern
2007-05-09 8:17 ` Pavel Machek
2007-05-09 15:21 ` Alan Stern
2007-05-09 19:35 ` David Brownell
2007-05-09 20:04 ` Alan Stern
2007-05-09 20:21 ` David Brownell
2007-05-10 15:17 ` Alan Stern
2007-05-09 21:07 ` Pavel Machek
2007-05-07 21:43 ` David Brownell
2007-05-07 22:41 ` Alan Stern
2007-05-03 22:18 ` Re: [PATCH] swsusp: do not use pm_ops (was: Re: suspend2 merge (was: Re: CFS and suspend2: hang in atomic copy)) Pavel Machek
2007-05-04 14:57 ` Alan Stern
2007-05-04 20:50 ` Rafael J. Wysocki
2007-05-04 20:49 ` Johannes Berg
2007-05-04 21:11 ` Rafael J. Wysocki
2007-05-04 21:23 ` Johannes Berg
2007-05-04 21:55 ` Rafael J. Wysocki
2007-05-04 21:54 ` Johannes Berg
2007-05-04 22:21 ` Rafael J. Wysocki
2007-05-05 15:37 ` Alan Stern
2007-05-05 18:49 ` Rafael J. Wysocki
2007-05-05 21:44 ` Alan Stern
2007-05-05 22:36 ` Rafael J. Wysocki
2007-05-06 22:01 ` Alan Stern
2007-05-06 22:31 ` Rafael J. Wysocki
2007-05-07 1:37 ` Re: [PATCH] swsusp: do not use pm_ops (was: Re: ..) David Brownell
2007-05-08 2:57 ` Greg KH
2007-05-07 8:51 ` Re: [PATCH] swsusp: do not use pm_ops (was: Re: suspend2 merge (was: Re: CFS and suspend2: hang in atomic copy)) Johannes Berg
2007-05-04 22:12 ` David Brownell
2007-05-04 22:31 ` Rafael J. Wysocki
2007-05-05 16:15 ` Alan Stern
2007-05-02 13:43 ` Rafael J. Wysocki
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