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From: Matthew Garrett <mjg@redhat.com>
To: Arjan van de Ven <arjan@infradead.org>
Cc: "Brian Swetland" <swetland@google.com>,
	"Rafael J. Wysocki" <rjw@sisk.pl>,
	"Woodruff, Richard" <r-woodruff2@ti.com>,
	"Alan Stern" <stern@rowland.harvard.edu>,
	"Kyle Moffett" <kyle@moffetthome.net>,
	"Oliver Neukum" <oliver@neukum.org>,
	"Benjamin Herrenschmidt" <benh@kernel.crashing.org>,
	"pm list" <linux-pm@lists.linux-foundation.org>,
	LKML <linux-kernel@vger.kernel.org>,
	"Arve Hjønnevåg" <arve@android.com>,
	"Pavel Machek" <pavel@ucw.cz>,
	"Nigel Cunningham" <nigel@nigel.suspend2.net>,
	"mark gross" <mgross@linux.intel.com>,
	"Uli Luckas" <u.luckas@road.de>,
	"Igor Stoppa" <igor.stoppa@nokia.com>,
	"Len Brown" <lenb@kernel.org>
Subject: Re: [RFD] Automatic suspend
Date: Wed, 18 Feb 2009 15:15:29 +0000	[thread overview]
Message-ID: <20090218151529.GB15195@srcf.ucam.org> (raw)
In-Reply-To: <20090217065622.3e0a9956@infradead.org>

On Tue, Feb 17, 2009 at 06:56:22AM -0800, Arjan van de Ven wrote:

> so use range timers / timer slack for those apps that you do not trust.
> That is not a big deal, and solves the issue of timer wakeups...

So have userspace say something like "The screen is turned off now, 
change the timer precision on all untrusted userland to sub 10 seconds"? 
That would work.

-- 
Matthew Garrett | mjg59@srcf.ucam.org

  parent reply	other threads:[~2009-02-18 15:16 UTC|newest]

Thread overview: 195+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-02-15 23:10 [RFD] Automatic suspend Rafael J. Wysocki
2009-02-16  0:44 ` Arjan van de Ven
2009-02-16  2:12   ` Benjamin Herrenschmidt
2009-02-16  2:20     ` Arjan van de Ven
2009-02-16  3:23       ` Benjamin Herrenschmidt
2009-02-16  3:30         ` Arjan van de Ven
2009-02-16 23:05         ` Pavel Machek
2009-02-16  7:06       ` Oliver Neukum
2009-02-16 15:40         ` Arjan van de Ven
2009-02-16 16:48           ` Oliver Neukum
2009-02-16 17:31             ` Arjan van de Ven
2009-02-16 20:08               ` Kyle Moffett
2009-02-16 20:28                 ` Arjan van de Ven
2009-02-16 20:39                 ` Alan Stern
2009-02-16 20:45                   ` Arjan van de Ven
2009-02-16 21:32                     ` Woodruff, Richard
2009-02-16 21:52                       ` Arjan van de Ven
2009-02-16 22:36                         ` Woodruff, Richard
2009-02-16 22:59                           ` Arjan van de Ven
2009-02-16 23:19                             ` Rafael J. Wysocki
2009-02-16 23:23                               ` Matthew Garrett
2009-02-17 10:12                                 ` Oliver Neukum
2009-02-17 13:58                                 ` Mark Brown
2009-02-17 14:20                                 ` Brian Swetland
2009-02-17 14:24                                   ` Matthew Garrett
2009-02-17 14:56                                     ` Oliver Neukum
2009-02-17 14:46                                   ` Arjan van de Ven
2009-02-17 14:51                                     ` Matthew Garrett
2009-02-17 14:56                                       ` Arjan van de Ven
2009-02-17 15:32                                         ` Woodruff, Richard
2009-02-18  0:04                                           ` Arjan van de Ven
2009-02-18  0:18                                             ` Woodruff, Richard
2009-02-18  5:35                                               ` Arjan van de Ven
2009-02-18  0:52                                             ` mark gross
2009-02-18  5:11                                             ` Arve Hjønnevåg
2009-02-18  5:55                                               ` Arjan van de Ven
2009-02-18 15:15                                         ` Matthew Garrett [this message]
2009-02-18 15:20                                           ` Woodruff, Richard
2009-02-17 14:58                                       ` Igor Stoppa
2009-02-17 15:28                                     ` Brian Swetland
2009-02-18  0:55                                       ` mark gross
2009-02-18  2:40                                       ` Benjamin Herrenschmidt
2009-02-18 17:48                                         ` Jesse Barnes
2009-02-18 17:52                                           ` Matthew Garrett
2009-02-18 18:01                                             ` Jesse Barnes
2009-02-18 22:05                                             ` Benjamin Herrenschmidt
2009-03-01 22:51                                       ` Pavel Machek
2009-02-27 10:00                                   ` Pavel Machek
2009-02-18  0:45                                 ` mark gross
2009-02-20  5:35                                 ` Arve Hjønnevåg
2009-02-20 15:27                                   ` Arjan van de Ven
2009-02-20 18:22                                 ` Pavel Machek
2009-02-20 18:26                                   ` Matthew Garrett
2009-02-20 20:49                                     ` Rafael J. Wysocki
2009-02-20 22:43                                       ` Arve Hjønnevåg
2009-02-16 23:41                               ` Arjan van de Ven
2009-02-16 23:08                           ` Rafael J. Wysocki
2009-02-17  3:09                             ` Alan Stern
2009-02-17 23:21                               ` Rafael J. Wysocki
2009-02-18  4:46                                 ` Arve Hjønnevåg
2009-02-18 21:17                                   ` Rafael J. Wysocki
2009-02-18 22:35                                     ` Arve Hjønnevåg
2009-02-18 22:44                                       ` Oliver Neukum
2009-02-18 23:04                                       ` Rafael J. Wysocki
2009-02-18 23:31                                         ` Alan Stern
2009-02-19 12:56                                           ` Rafael J. Wysocki
2009-02-19 14:59                                             ` Alan Stern
2009-02-19 21:15                                               ` Rafael J. Wysocki
2009-02-19 21:56                                                 ` Brian Swetland
2009-02-19 22:08                                                 ` Alan Stern
2009-02-19 22:21                                                   ` Rafael J. Wysocki
2009-02-19 22:58                                                     ` Oliver Neukum
2009-02-20 10:46                                                       ` Rafael J. Wysocki
2009-02-20 22:05                                                         ` Oliver Neukum
2009-02-20 22:44                                                           ` Rafael J. Wysocki
2009-02-20 23:11                                                           ` Arve Hjønnevåg
2009-02-20 23:20                                                             ` Oliver Neukum
2009-02-21  1:59                                                               ` Arve Hjønnevåg
2009-02-20  2:39                                                   ` Arve Hjønnevåg
2009-02-20 10:49                                                     ` Rafael J. Wysocki
2009-02-20 11:26                                                       ` Arve Hjønnevåg
2009-02-20 15:56                                                         ` Rafael J. Wysocki
2009-02-20 16:07                                                           ` Kyle Moffett
2009-02-20 20:56                                                             ` Rafael J. Wysocki
2009-02-20 21:02                                                               ` Rafael J. Wysocki
2009-02-20 23:03                                                           ` Arve Hjønnevåg
2009-02-20 23:57                                                             ` Rafael J. Wysocki
2009-02-21  1:08                                                               ` Arve Hjønnevåg
2009-02-21  9:47                                                                 ` Rafael J. Wysocki
2009-02-21 10:32                                                                   ` Arve Hjønnevåg
2009-02-21 20:20                                                                     ` Rafael J. Wysocki
2009-02-23 23:13                                                                       ` Arve Hjønnevåg
2009-02-23 23:53                                                                         ` Rafael J. Wysocki
2009-02-24  0:02                                                                           ` Arve Hjønnevåg
2009-02-27 10:12                                                                   ` Pavel Machek
2009-02-27 10:09                                                               ` Pavel Machek
2009-02-27 14:22                                                                 ` Rafael J. Wysocki
2009-02-27 14:29                                                                   ` Matthew Garrett
2009-02-27 20:54                                                                     ` Rafael J. Wysocki
2009-02-27 22:09                                                                       ` Arve Hjønnevåg
2009-02-27 22:55                                                                         ` Rafael J. Wysocki
2009-02-27 20:40                                                                   ` Pavel Machek
2009-02-27 20:55                                                                     ` Rafael J. Wysocki
2009-02-27 22:56                                                                       ` Arve Hjønnevåg
2009-02-27 23:44                                                                         ` Pavel Machek
2009-02-28  3:04                                                                           ` Arve Hjønnevåg
2009-02-28 10:18                                                                         ` Rafael J. Wysocki
2009-02-28 21:57                                                                           ` Arve Hjønnevåg
2009-02-28 22:53                                                                             ` Rafael J. Wysocki
2009-02-28 23:38                                                                               ` Arve Hjønnevåg
2009-03-01 23:17                                                                                 ` Rafael J. Wysocki
2009-03-02 23:48                                                                                   ` Arve Hjønnevåg
2009-03-03 22:39                                                                                     ` Rafael J. Wysocki
2009-03-03 23:38                                                                                       ` Arve Hjønnevåg
2009-03-04  0:49                                                                                         ` Pavel Machek
2009-03-01  0:06                                                                               ` Arve Hjønnevåg
2009-03-01  6:28                                                                                 ` Benjamin Herrenschmidt
2009-03-01  9:11                                                                                   ` Rafael J. Wysocki
2009-03-01  9:20                                                                                 ` Rafael J. Wysocki
2009-03-03  1:22                                                                                   ` Arve Hjønnevåg
2009-03-03 13:51                                                                                     ` Pavel Machek
2009-03-04  0:06                                                                                       ` Arve Hjønnevåg
2009-03-04  0:47                                                                                         ` Pavel Machek
2009-03-01 23:08                                                                                 ` Pavel Machek
2009-03-03 13:57                                                                             ` Pavel Machek
2009-03-03 23:51                                                                               ` Arve Hjønnevåg
2009-02-20 23:12                                                           ` Oliver Neukum
2009-02-20 23:40                                                             ` Rafael J. Wysocki
2009-02-20 23:45                                                               ` Matthew Garrett
2009-02-21  9:52                                                                 ` Rafael J. Wysocki
2009-02-21 16:52                                                               ` Alan Stern
2009-02-21 21:14                                                                 ` Rafael J. Wysocki
2009-02-27 10:16                                                                   ` Pavel Machek
2009-02-27 14:46                                                                     ` Alan Stern
2009-02-27 20:58                                                                       ` Rafael J. Wysocki
2009-02-22 14:03                                               ` Pavel Machek
2009-02-23 14:04                                                 ` Oliver Neukum
2009-02-27 10:18                                                   ` Pavel Machek
2009-02-27 15:22                                                     ` Oliver Neukum
2009-03-05 16:54                                                       ` Pavel Machek
2009-02-27 17:09                                                     ` Chris Friesen
2009-02-27 20:46                                                       ` Pavel Machek
2009-03-05 13:48                                           ` Pavel Machek
2009-03-01 22:56                                   ` Pavel Machek
2009-03-02  8:24                                     ` Oliver Neukum
2009-03-02 14:34                                       ` Pavel Machek
2009-03-02 15:13                                       ` Arjan van de Ven
2009-02-16 23:20               ` Oliver Neukum
2009-02-20 18:05                 ` Pavel Machek
2009-02-16  6:23   ` Roland Dreier
2009-02-16 15:38     ` Arjan van de Ven
2009-02-16 22:47     ` Pavel Machek
2009-02-16  7:02   ` Oliver Neukum
2009-02-16 21:48   ` Rafael J. Wysocki
2009-02-16 21:52     ` Peter Zijlstra
2009-02-16 21:53     ` Arjan van de Ven
2009-02-16 22:12       ` Rafael J. Wysocki
2009-02-16 22:40         ` Alan Stern
2009-02-16 22:56           ` Arjan van de Ven
2009-02-16 23:28             ` Rafael J. Wysocki
2009-02-17  2:43             ` Alan Stern
2009-02-17  2:57               ` Arjan van de Ven
2009-02-17  3:26                 ` Alan Stern
2009-02-16 23:02           ` Rafael J. Wysocki
2009-02-17  2:56             ` Alan Stern
2009-02-17 23:26               ` Rafael J. Wysocki
2009-02-18  8:53                 ` Oliver Neukum
2009-02-18 14:51                   ` Arjan van de Ven
2009-02-18 15:05                     ` Oliver Neukum
2009-02-18 15:10                       ` Alan Stern
2009-02-18 15:55                         ` Oliver Neukum
2009-02-18 16:39                           ` Alan Stern
2009-02-18 17:10                             ` Oliver Neukum
2009-02-18 15:09                     ` Alan Stern
2009-02-16 22:51     ` Pavel Machek
2009-02-16 22:55       ` Arjan van de Ven
2009-02-16 23:00       ` Rafael J. Wysocki
2009-02-16 23:18         ` Pavel Machek
2009-02-16 23:29       ` Oliver Neukum
2009-02-16 22:58 ` Pavel Machek
2009-02-16 23:13   ` Matthew Garrett
2009-02-16 23:22     ` Pavel Machek
2009-02-16 23:26       ` Matthew Garrett
2009-02-17 14:14         ` Brian Swetland
2009-02-17 14:19           ` Matthew Garrett
2009-02-17 21:57     ` mark gross
2009-02-17 22:04       ` Matthew Garrett
2009-02-17 22:19         ` Jesse Barnes
2009-02-17 23:28           ` Woodruff, Richard
2009-02-18  0:34           ` mark gross
2009-02-18 17:30       ` Chris Ball
2009-02-16 23:26   ` Rafael J. Wysocki
2009-02-22 13:46     ` Pavel Machek
2009-02-18  0:27 ` mark gross
2009-02-18 21:11   ` Rafael J. Wysocki

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