From: Matthew Garrett <mjg59@srcf.ucam.org>
To: Alan Stern <stern@rowland.harvard.edu>
Cc: LKML <linux-kernel@vger.kernel.org>, Pavel Machek <pavel@ucw.cz>,
pm list <linux-pm@lists.linux-foundation.org>
Subject: Re: [RFC][PATCH -mm 3/3] PM: Disable _request_firmware before hibernation/suspend
Date: Mon, 28 May 2007 17:12:42 +0100 [thread overview]
Message-ID: <20070528161242.GA1063@srcf.ucam.org> (raw)
In-Reply-To: <Pine.LNX.4.44L0.0705281156470.22682-100000@netrider.rowland.org>
On Mon, May 28, 2007 at 12:09:30PM -0400, Alan Stern wrote:
> I can't speak for the second example, but there's a good reason the
> first example works this way. It's not a matter of races; the problem
> is that the kernel thread's job is to selectively suspend and resume
> devices. We don't want it doing this while a system sleep is in
> progress; it would (and in fact has, before the thread was made
> freezable) cause the sleep transition to abort.
How does this work on PPC or APM systems?
--
Matthew Garrett | mjg59@srcf.ucam.org
WARNING: multiple messages have this Message-ID (diff)
From: Matthew Garrett <mjg59@srcf.ucam.org>
To: Alan Stern <stern@rowland.harvard.edu>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>,
pm list <linux-pm@lists.linux-foundation.org>,
LKML <linux-kernel@vger.kernel.org>,
Nigel Cunningham <nigel@nigel.suspend2.net>,
Pavel Machek <pavel@ucw.cz>, Oliver Neukum <oliver@neukum.org>
Subject: Re: [RFC][PATCH -mm 3/3] PM: Disable _request_firmware before hibernation/suspend
Date: Mon, 28 May 2007 17:12:42 +0100 [thread overview]
Message-ID: <20070528161242.GA1063@srcf.ucam.org> (raw)
In-Reply-To: <Pine.LNX.4.44L0.0705281156470.22682-100000@netrider.rowland.org>
On Mon, May 28, 2007 at 12:09:30PM -0400, Alan Stern wrote:
> I can't speak for the second example, but there's a good reason the
> first example works this way. It's not a matter of races; the problem
> is that the kernel thread's job is to selectively suspend and resume
> devices. We don't want it doing this while a system sleep is in
> progress; it would (and in fact has, before the thread was made
> freezable) cause the sleep transition to abort.
How does this work on PPC or APM systems?
--
Matthew Garrett | mjg59@srcf.ucam.org
next prev parent reply other threads:[~2007-05-28 16:12 UTC|newest]
Thread overview: 161+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-27 20:29 [RFC][PATCH -mm 0/3] PM: Hibernation and suspend notifiers Rafael J. Wysocki
2007-05-27 20:30 ` [RFC][PATCH -mm 1/3] " Rafael J. Wysocki
2007-05-28 9:49 ` Nigel Cunningham
2007-05-28 9:49 ` Nigel Cunningham
2007-05-28 13:12 ` Pavel Machek
2007-05-28 13:12 ` Pavel Machek
2007-05-28 17:26 ` Rafael J. Wysocki
2007-05-28 17:26 ` Rafael J. Wysocki
2007-05-28 15:56 ` Alan Stern
2007-05-28 15:56 ` Alan Stern
2007-05-28 17:29 ` Rafael J. Wysocki
2007-05-28 17:29 ` Rafael J. Wysocki
2007-05-29 22:24 ` Rafael J. Wysocki
2007-05-30 15:37 ` Pavel Machek
2007-05-30 15:37 ` Pavel Machek
2007-05-30 20:44 ` Rafael J. Wysocki
2007-05-30 20:44 ` Rafael J. Wysocki
2007-05-30 21:11 ` Rafael J. Wysocki
2007-05-30 22:24 ` Nigel Cunningham
2007-05-30 22:24 ` Nigel Cunningham
2007-05-31 5:44 ` Rafael J. Wysocki
2007-05-31 5:44 ` Rafael J. Wysocki
2007-05-31 14:23 ` Pavel Machek
2007-05-31 14:23 ` Pavel Machek
2007-05-31 20:02 ` Rafael J. Wysocki
2007-05-31 20:02 ` Rafael J. Wysocki
2007-05-31 21:56 ` Nigel Cunningham
2007-05-31 21:56 ` Nigel Cunningham
2007-05-30 22:29 ` Pavel Machek
2007-05-30 22:29 ` Pavel Machek
2007-05-31 5:42 ` Rafael J. Wysocki
2007-05-31 5:42 ` Rafael J. Wysocki
2007-05-30 21:11 ` Rafael J. Wysocki
2007-05-29 22:24 ` Rafael J. Wysocki
2007-05-27 20:30 ` Rafael J. Wysocki
2007-05-27 20:30 ` [RFC][PATCH -mm 2/3] PM: Disable usermode helper before hibernation/suspend Rafael J. Wysocki
2007-05-27 20:30 ` Rafael J. Wysocki
2007-05-28 13:04 ` Pavel Machek
2007-05-28 13:04 ` Pavel Machek
2007-05-27 20:31 ` [RFC][PATCH -mm 3/3] PM: Disable _request_firmware " Rafael J. Wysocki
2007-05-27 20:31 ` Rafael J. Wysocki
2007-05-27 20:45 ` Michael-Luke Jones
2007-05-27 21:55 ` Rafael J. Wysocki
2007-05-27 21:55 ` Rafael J. Wysocki
2007-05-28 13:01 ` Pavel Machek
2007-05-28 13:01 ` Pavel Machek
2007-05-29 20:41 ` Rob Landley
2007-05-29 20:41 ` Rob Landley
2007-05-27 20:45 ` Michael-Luke Jones
2007-05-27 20:49 ` Matthew Garrett
2007-05-27 20:49 ` Matthew Garrett
2007-05-27 21:45 ` Rafael J. Wysocki
2007-05-27 21:45 ` Rafael J. Wysocki
2007-05-27 22:01 ` Matthew Garrett
2007-05-27 22:01 ` Matthew Garrett
2007-05-28 7:44 ` Rafael J. Wysocki
2007-05-28 7:44 ` Rafael J. Wysocki
2007-05-28 16:09 ` Alan Stern
2007-05-28 16:09 ` Alan Stern
2007-05-28 16:12 ` Matthew Garrett [this message]
2007-05-28 16:12 ` Matthew Garrett
2007-05-28 16:43 ` Alan Stern
2007-05-28 16:43 ` Alan Stern
2007-05-28 16:54 ` Matthew Garrett
2007-05-28 16:54 ` Matthew Garrett
2007-05-28 20:03 ` Alan Stern
2007-05-28 20:03 ` Alan Stern
2007-05-28 20:57 ` Pavel Machek
2007-05-28 20:57 ` Pavel Machek
2007-05-28 22:29 ` Alan Stern
2007-05-29 20:09 ` David Brownell
2007-05-29 20:09 ` [linux-pm] " David Brownell
2007-05-29 20:48 ` Alan Stern
2007-05-29 20:48 ` Alan Stern
2007-06-04 11:00 ` Pavel Machek
2007-06-04 11:00 ` Pavel Machek
2007-06-05 18:45 ` Alan Stern
2007-06-05 18:45 ` Alan Stern
2007-06-05 20:26 ` Pavel Machek
2007-06-05 20:26 ` Pavel Machek
2007-05-28 22:29 ` Alan Stern
2007-05-28 8:30 ` Nigel Cunningham
2007-05-28 8:30 ` Nigel Cunningham
2007-05-28 11:22 ` Rafael J. Wysocki
2007-05-28 11:22 ` Rafael J. Wysocki
2007-05-27 21:49 ` Kay Sievers
2007-05-27 22:01 ` Rafael J. Wysocki
2007-05-27 22:01 ` Rafael J. Wysocki
2007-05-27 22:04 ` Matthew Garrett
2007-05-27 22:04 ` Matthew Garrett
2007-05-27 22:16 ` Kay Sievers
2007-05-27 22:16 ` Kay Sievers
2007-05-28 7:43 ` Rafael J. Wysocki
2007-05-28 7:43 ` Rafael J. Wysocki
2007-05-28 8:48 ` Michael-Luke Jones
2007-05-28 8:48 ` Michael-Luke Jones
2007-05-28 9:06 ` Kay Sievers
2007-05-28 9:06 ` Kay Sievers
2007-05-28 10:26 ` Michael-Luke Jones
2007-05-28 10:26 ` Michael-Luke Jones
2007-05-28 12:01 ` Kay Sievers
2007-05-28 12:01 ` Kay Sievers
2007-05-28 12:07 ` Michael-Luke Jones
2007-05-28 12:07 ` Michael-Luke Jones
2007-05-28 10:41 ` Michael-Luke Jones
2007-05-28 10:41 ` Michael-Luke Jones
2007-05-29 21:19 ` Rob Landley
2007-05-29 21:19 ` Rob Landley
2007-05-29 22:51 ` Rob Landley
2007-05-29 22:51 ` Rob Landley
2007-05-30 19:50 ` Pavel Machek
2007-05-30 19:50 ` Pavel Machek
2007-05-28 11:15 ` Pavel Machek
2007-05-28 11:15 ` Pavel Machek
2007-05-28 11:24 ` Kay Sievers
2007-05-28 11:24 ` Kay Sievers
2007-05-28 11:28 ` Pavel Machek
2007-05-28 11:28 ` Pavel Machek
2007-05-28 11:38 ` Michael-Luke Jones
2007-05-28 11:38 ` Michael-Luke Jones
2007-05-28 11:45 ` [linux-pm] " Pavel Machek
2007-05-28 11:45 ` Pavel Machek
2007-05-28 11:51 ` Kay Sievers
2007-05-28 11:51 ` Kay Sievers
2007-05-28 12:26 ` Michael-Luke Jones
2007-05-28 12:26 ` Michael-Luke Jones
2007-05-28 12:47 ` Kay Sievers
2007-05-28 12:47 ` Kay Sievers
2007-05-28 13:00 ` Pavel Machek
2007-05-28 13:00 ` Pavel Machek
2007-05-28 13:10 ` Michael-Luke Jones
2007-05-28 13:10 ` Michael-Luke Jones
2007-05-28 11:28 ` Rafael J. Wysocki
2007-05-28 11:28 ` Rafael J. Wysocki
2007-05-27 21:49 ` Kay Sievers
2007-05-28 13:07 ` Pavel Machek
2007-05-28 13:07 ` Pavel Machek
2007-05-28 15:55 ` Alan Stern
2007-05-28 15:55 ` Alan Stern
2007-05-28 17:43 ` Rafael J. Wysocki
2007-05-28 17:43 ` Rafael J. Wysocki
2007-05-28 20:51 ` Ray Lee
2007-05-28 20:51 ` Ray Lee
2007-05-28 20:59 ` Pavel Machek
2007-05-28 20:59 ` Pavel Machek
2007-06-02 0:41 ` [RFC][PATCH -mm 0/2] PM: Hibernation and suspend notifiers (rev. 2) Rafael J. Wysocki
2007-06-02 0:43 ` [RFC][PATCH -mm 1/2] PM: Introduce hibernation and suspend notifiers Rafael J. Wysocki
2007-06-03 16:41 ` Pavel Machek
2007-06-03 16:41 ` Pavel Machek
2007-06-03 22:38 ` Rafael J. Wysocki
2007-06-03 22:38 ` Rafael J. Wysocki
2007-06-03 22:59 ` Pavel Machek
2007-06-04 7:56 ` Rafael J. Wysocki
2007-06-04 7:56 ` Rafael J. Wysocki
2007-06-03 22:59 ` Pavel Machek
2007-06-02 0:43 ` Rafael J. Wysocki
2007-06-02 0:44 ` [RFC][PATCH -mm 2/2] PM: Disable usermode helper before hibernation and suspend Rafael J. Wysocki
2007-06-02 0:44 ` Rafael J. Wysocki
2007-06-03 16:42 ` Pavel Machek
2007-06-03 16:42 ` Pavel Machek
2007-06-02 0:41 ` [RFC][PATCH -mm 0/2] PM: Hibernation and suspend notifiers (rev. 2) Rafael J. Wysocki
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