From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Alan Stern <stern@rowland.harvard.edu>
Cc: Nigel Cunningham <ncunningham@crca.org.au>,
LKML <linux-kernel@vger.kernel.org>,
Jesse Barnes <jbarnes@virtuousgeek.org>,
ACPI Devel Maling List <linux-acpi@vger.kernel.org>,
pm list <linux-pm@lists.linux-foundation.org>,
Alexey Starikovskiy <astarikovskiy@suse.de>,
Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH 1/3] PM: Introduce new top level suspend and hibernation callbacks (rev. 8)
Date: Tue, 15 Apr 2008 06:47:36 +1000 [thread overview]
Message-ID: <1208206056.6958.176.camel@pasglop> (raw)
In-Reply-To: <Pine.LNX.4.44L0.0804141049370.2236-100000@iolanthe.rowland.org>
On Mon, 2008-04-14 at 10:51 -0400, Alan Stern wrote:
> On Sun, 13 Apr 2008, David Brownell wrote:
>
> > I sort of agree. Looking at it from a whole-system perspective,
> > suspending needs to be able to chitchat with userspace ... and I
> > don't think that can be done *before* writing to /sys/power/state
> > in an acceptably generic/portable way. (Briefly, applications
> > need to have clean stopping points and be able to arrange system
> > wakeup. They may well have more work to do than most drivers.)
>
> Pavel's recent work aside, the only way to initiate a system sleep is
> from userspace. So it seems natural for all application notifications
> to be made by the initiating program, perhaps via dbus.
No. Certainly not via dbus.
Ben.
WARNING: multiple messages have this Message-ID (diff)
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Alan Stern <stern@rowland.harvard.edu>
Cc: David Brownell <david-b@pacbell.net>,
"Rafael J. Wysocki" <rjw@sisk.pl>, Greg KH <greg@kroah.com>,
pm list <linux-pm@lists.linux-foundation.org>,
ACPI Devel Maling List <linux-acpi@vger.kernel.org>,
Len Brown <lenb@kernel.org>, LKML <linux-kernel@vger.kernel.org>,
Alexey Starikovskiy <astarikovskiy@suse.de>,
Pavel Machek <pavel@ucw.cz>, Oliver Neukum <oliver@neukum.org>,
Nigel Cunningham <ncunningham@crca.org.au>,
Jesse Barnes <jbarnes@virtuousgeek.org>,
Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH 1/3] PM: Introduce new top level suspend and hibernation callbacks (rev. 8)
Date: Tue, 15 Apr 2008 06:47:36 +1000 [thread overview]
Message-ID: <1208206056.6958.176.camel@pasglop> (raw)
In-Reply-To: <Pine.LNX.4.44L0.0804141049370.2236-100000@iolanthe.rowland.org>
On Mon, 2008-04-14 at 10:51 -0400, Alan Stern wrote:
> On Sun, 13 Apr 2008, David Brownell wrote:
>
> > I sort of agree. Looking at it from a whole-system perspective,
> > suspending needs to be able to chitchat with userspace ... and I
> > don't think that can be done *before* writing to /sys/power/state
> > in an acceptably generic/portable way. (Briefly, applications
> > need to have clean stopping points and be able to arrange system
> > wakeup. They may well have more work to do than most drivers.)
>
> Pavel's recent work aside, the only way to initiate a system sleep is
> from userspace. So it seems natural for all application notifications
> to be made by the initiating program, perhaps via dbus.
No. Certainly not via dbus.
Ben.
next prev parent reply other threads:[~2008-04-14 20:47 UTC|newest]
Thread overview: 119+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-04-03 23:11 [PATCH 0/3] PM: New suspend and hibernation callbacks Rafael J. Wysocki
2008-04-03 23:12 ` [PATCH 1/3] PM: Introduce new top level suspend and hibernation callbacks (rev. 7) Rafael J. Wysocki
2008-04-03 23:12 ` Rafael J. Wysocki
2008-04-03 23:12 ` Rafael J. Wysocki
2008-04-12 0:23 ` Greg KH
2008-04-12 0:23 ` Greg KH
2008-04-13 13:31 ` Rafael J. Wysocki
2008-04-13 13:33 ` [PATCH 1/3] PM: Introduce new top level suspend and hibernation callbacks (rev. 8) Rafael J. Wysocki
2008-04-13 13:33 ` Rafael J. Wysocki
2008-04-13 13:33 ` Rafael J. Wysocki
2008-04-13 21:05 ` Benjamin Herrenschmidt
2008-04-13 21:05 ` Benjamin Herrenschmidt
2008-04-13 21:39 ` Rafael J. Wysocki
2008-04-13 22:10 ` Benjamin Herrenschmidt
2008-04-13 22:27 ` Rafael J. Wysocki
2008-04-13 22:27 ` Rafael J. Wysocki
2008-04-13 22:47 ` Benjamin Herrenschmidt
2008-04-13 22:47 ` Benjamin Herrenschmidt
2008-04-13 23:08 ` Rafael J. Wysocki
2008-04-13 23:46 ` Benjamin Herrenschmidt
2008-04-13 23:46 ` Benjamin Herrenschmidt
2008-04-14 0:31 ` Rafael J. Wysocki
2008-04-14 0:46 ` Benjamin Herrenschmidt
2008-04-14 0:46 ` Benjamin Herrenschmidt
2008-04-14 1:09 ` Rafael J. Wysocki
2008-04-14 1:09 ` Rafael J. Wysocki
2008-04-14 3:23 ` Benjamin Herrenschmidt
2008-04-14 6:43 ` Oliver Neukum
2008-04-14 7:23 ` Benjamin Herrenschmidt
2008-04-14 7:23 ` Benjamin Herrenschmidt
2008-04-14 7:37 ` Oliver Neukum
2008-04-14 7:37 ` Oliver Neukum
2008-04-14 7:50 ` Benjamin Herrenschmidt
2008-04-14 7:50 ` Benjamin Herrenschmidt
2008-04-14 6:43 ` Oliver Neukum
2008-04-14 12:11 ` Rafael J. Wysocki
2008-04-14 12:11 ` Rafael J. Wysocki
2008-04-14 15:13 ` Alan Stern
2008-04-14 15:13 ` Alan Stern
2008-04-14 20:48 ` Benjamin Herrenschmidt
2008-04-14 20:48 ` Benjamin Herrenschmidt
2008-04-14 14:49 ` Alan Stern
2008-04-14 20:41 ` Oliver Neukum
2008-04-14 20:41 ` Oliver Neukum
2008-04-14 20:41 ` Oliver Neukum
2008-04-14 14:49 ` Alan Stern
2008-04-14 3:23 ` Benjamin Herrenschmidt
2008-04-14 1:37 ` Nigel Cunningham
2008-04-14 1:37 ` Nigel Cunningham
2008-04-14 12:25 ` Rafael J. Wysocki
2008-04-14 12:25 ` Rafael J. Wysocki
2008-04-14 0:31 ` Rafael J. Wysocki
2008-04-13 23:08 ` Rafael J. Wysocki
2008-04-13 23:11 ` Nigel Cunningham
2008-04-13 23:17 ` Rafael J. Wysocki
2008-04-13 23:17 ` Rafael J. Wysocki
2008-04-13 23:29 ` Nigel Cunningham
2008-04-13 23:29 ` Nigel Cunningham
2008-04-13 23:23 ` Alan Stern
2008-04-13 23:33 ` Rafael J. Wysocki
2008-04-13 23:33 ` Rafael J. Wysocki
2008-04-13 23:49 ` Benjamin Herrenschmidt
2008-04-13 23:49 ` Benjamin Herrenschmidt
2008-04-13 23:48 ` Benjamin Herrenschmidt
2008-04-14 0:07 ` Rafael J. Wysocki
2008-04-14 0:40 ` Benjamin Herrenschmidt
2008-04-14 0:59 ` Rafael J. Wysocki
2008-04-14 0:59 ` Rafael J. Wysocki
2008-04-14 0:40 ` Benjamin Herrenschmidt
2008-04-14 0:43 ` Benjamin Herrenschmidt
2008-04-14 0:50 ` Rafael J. Wysocki
2008-04-14 0:50 ` Rafael J. Wysocki
2008-04-14 0:43 ` Benjamin Herrenschmidt
2008-04-14 0:07 ` Rafael J. Wysocki
2008-04-13 23:48 ` Benjamin Herrenschmidt
2008-04-13 23:23 ` Alan Stern
2008-04-13 23:11 ` Nigel Cunningham
2008-04-14 4:47 ` David Brownell
2008-04-14 12:34 ` Rafael J. Wysocki
2008-04-14 12:34 ` Rafael J. Wysocki
2008-04-14 14:51 ` Alan Stern
2008-04-14 20:47 ` Benjamin Herrenschmidt [this message]
2008-04-14 20:47 ` Benjamin Herrenschmidt
2008-04-14 21:21 ` Pavel Machek
2008-04-14 21:21 ` Pavel Machek
2008-04-14 14:51 ` Alan Stern
2008-04-14 4:47 ` David Brownell
2008-04-14 10:55 ` Pavel Machek
2008-04-14 20:45 ` Benjamin Herrenschmidt
2008-04-14 20:45 ` Benjamin Herrenschmidt
2008-04-14 20:56 ` Rafael J. Wysocki
2008-04-14 20:56 ` Rafael J. Wysocki
2008-04-14 10:55 ` Pavel Machek
2008-04-13 22:10 ` Benjamin Herrenschmidt
2008-04-13 21:39 ` Rafael J. Wysocki
2008-04-15 19:27 ` patch pm-introduce-new-top-level-suspend-and-hibernation-callbacks.patch added to gregkh-2.6 tree gregkh
2008-04-15 19:27 ` gregkh
2008-04-15 19:27 ` gregkh
2008-04-13 13:33 ` [PATCH 2/3] PM: New suspend and hibernation callbacks for platform bus type (rev. 3) Rafael J. Wysocki
2008-04-15 19:27 ` patch pm-new-suspend-and-hibernation-callbacks-for-platform-bus-type.patch added to gregkh-2.6 tree gregkh
2008-04-15 19:27 ` gregkh
2008-04-15 19:27 ` gregkh
2008-04-13 13:33 ` [PATCH 2/3] PM: New suspend and hibernation callbacks for platform bus type (rev. 3) Rafael J. Wysocki
2008-04-13 13:34 ` [PATCH 3/3] PM: New suspend and hibernation callbacks for PCI bus type (rev. 4) Rafael J. Wysocki
2008-04-15 19:27 ` patch pm-new-suspend-and-hibernation-callbacks-for-pci-bus-type.patch added to gregkh-2.6 tree gregkh
2008-04-15 19:27 ` gregkh
2008-04-15 19:27 ` gregkh
2008-04-29 22:26 ` PM: New suspend and hibernation callbacks for PCI bus type Greg KH
2008-04-29 22:26 ` Greg KH
2008-04-30 12:09 ` Rafael J. Wysocki
2008-05-07 5:08 ` patch pm-new-suspend-and-hibernation-callbacks-for-pci-bus-type.patch added to gregkh-2.6 tree gregkh
2008-05-07 5:08 ` gregkh
2008-04-30 12:09 ` PM: New suspend and hibernation callbacks for PCI bus type Rafael J. Wysocki
2008-04-13 13:34 ` [PATCH 3/3] PM: New suspend and hibernation callbacks for PCI bus type (rev. 4) Rafael J. Wysocki
2008-04-13 13:31 ` [PATCH 1/3] PM: Introduce new top level suspend and hibernation callbacks (rev. 7) Rafael J. Wysocki
2008-04-03 23:13 ` [PATCH 2/3] PM: New suspend and hibernation callbacks for platform bus type (rev. 3) Rafael J. Wysocki
2008-04-03 23:13 ` Rafael J. Wysocki
2008-04-03 23:15 ` [PATCH 3/3] PM: New suspend and hibernation callbacks for PCI " Rafael J. Wysocki
2008-04-03 23:15 ` Rafael J. Wysocki
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