linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Matthew Garrett <mjg@redhat.com>
To: Tony Lindgren <tony@atomide.com>
Cc: Daniel Walker <dwalker@fifo99.com>,
	Brian Swetland <swetland@google.com>,
	Alan Stern <stern@rowland.harvard.edu>,
	mark gross <mgross@linux.intel.com>,
	markgross@thegnar.org, Len Brown <len.brown@intel.com>,
	linux-doc@vger.kernel.org,
	Kernel development list <linux-kernel@vger.kernel.org>,
	Jesse Barnes <jbarnes@virtuousgeek.org>,
	Oleg Nesterov <oleg@redhat.com>, Tejun Heo <tj@kernel.org>,
	Linux-pm mailing list <linux-pm@lists.linux-foundation.org>,
	Wu Fengguang <fengguang.wu@intel.com>,
	Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [linux-pm] [PATCH 1/8] PM: Add suspend block api.
Date: Fri, 7 May 2010 22:48:55 +0100	[thread overview]
Message-ID: <20100507214855.GA30190@srcf.ucam.org> (raw)
In-Reply-To: <20100507214211.GR387@atomide.com>

On Fri, May 07, 2010 at 02:42:11PM -0700, Tony Lindgren wrote:
> * Matthew Garrett <mjg@redhat.com> [100507 14:34]:
> > How do you know to wake the process up in response to the keypress?
> 
> Does it matter for processes that are not "certified"? Maybe you
> could assume that you can keep it stopped until the screen is on
> again, or some other policy.

Yes, it matters. You don't necessarily know whether to turn the screen 
on until the app has had an opportunity to process the event. This is 
exactly the kind of use case that suspend blocks are intended to allow, 
so alternatives that don't permit that kind of use case aren't really 
adequate alternatives.

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

  reply	other threads:[~2010-05-07 21:49 UTC|newest]

Thread overview: 332+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-04-30 22:36 [PATCH 0/8] Suspend block api (version 6) Arve Hjønnevåg
2010-04-30 22:36 ` [PATCH 1/8] PM: Add suspend block api Arve Hjønnevåg
2010-04-30 22:36   ` [PATCH 2/8] PM: suspend_block: Add driver to access suspend blockers from user-space Arve Hjønnevåg
2010-04-30 22:36     ` [PATCH 3/8] PM: suspend_block: Abort task freezing if a suspend_blocker is active Arve Hjønnevåg
2010-04-30 22:36       ` [PATCH 4/8] PM: suspend_block: Add debugfs file Arve Hjønnevåg
2010-04-30 22:36         ` [PATCH 5/8] PM: suspend_block: Add suspend_blocker stats Arve Hjønnevåg
2010-04-30 22:36           ` [PATCH 6/8] PM: Add suspend blocking work Arve Hjønnevåg
2010-04-30 22:37             ` [PATCH 7/8] Input: Block suspend while event queue is not empty Arve Hjønnevåg
2010-04-30 22:37               ` [PATCH 8/8] power_supply: Block suspend while power supply change notifications are pending Arve Hjønnevåg
2010-05-01  6:14             ` [PATCH 6/8] PM: Add suspend blocking work Tejun Heo
2010-05-02  7:05             ` Pavel Machek
2010-05-04 11:16         ` [PATCH 4/8] PM: suspend_block: Add debugfs file Andi Kleen
2010-05-04 21:06           ` Arve Hjønnevåg
2010-05-02  6:57       ` [PATCH 3/8] PM: suspend_block: Abort task freezing if a suspend_blocker is active Pavel Machek
2010-05-02  7:04     ` [PATCH 2/8] PM: suspend_block: Add driver to access suspend blockers from user-space Pavel Machek
2010-05-02 21:23     ` Rafael J. Wysocki
2010-05-02 21:56       ` Alan Stern
2010-05-03 15:03         ` Rafael J. Wysocki
2010-05-03 21:26           ` Arve Hjønnevåg
2010-05-03 21:49             ` Rafael J. Wysocki
2010-05-03 22:01               ` Arve Hjønnevåg
2010-05-04 20:02                 ` Rafael J. Wysocki
2010-05-04  4:16           ` Pavel Machek
2010-05-02  6:56   ` [PATCH 1/8] PM: Add suspend block api Pavel Machek
2010-05-02 20:10     ` Rafael J. Wysocki
2010-05-02 20:52       ` Pavel Machek
2010-05-02 21:29         ` Rafael J. Wysocki
2010-05-03 19:01           ` Pavel Machek
2010-05-03 21:38             ` Rafael J. Wysocki
2010-05-03 22:11               ` Alan Stern
2010-05-03 22:24                 ` Arve Hjønnevåg
2010-05-02  7:01   ` Pavel Machek
2010-05-04  5:12   ` [linux-pm] " mark gross
2010-05-04 13:59     ` Alan Stern
2010-05-04 16:03       ` mark gross
2010-05-04 17:16         ` Alan Stern
2010-05-05  1:50           ` mark gross
2010-05-05 13:31             ` Matthew Garrett
2010-05-05 20:09               ` mark gross
2010-05-05 20:21                 ` Matthew Garrett
2010-05-05 15:44             ` Alan Stern
2010-05-05 20:28               ` mark gross
2010-05-05 21:12                 ` Alan Stern
2010-05-05 21:37                   ` Brian Swetland
2010-05-05 23:47                     ` Tony Lindgren
2010-05-05 23:56                       ` Brian Swetland
2010-05-06  0:05                         ` Tony Lindgren
2010-05-06  4:16                           ` Arve Hjønnevåg
2010-05-06 17:04                             ` Tony Lindgren
2010-05-07  0:10                               ` Arve Hjønnevåg
2010-05-07 15:54                                 ` Tony Lindgren
2010-05-28  6:43                                 ` Pavel Machek
2010-05-28  7:01                                   ` Arve Hjønnevåg
2010-05-06 13:40                       ` Matthew Garrett
2010-05-06 17:01                         ` Tony Lindgren
2010-05-06 17:09                           ` Matthew Garrett
2010-05-06 17:14                             ` Tony Lindgren
2010-05-06 17:22                               ` Matthew Garrett
2010-05-06 17:38                                 ` Tony Lindgren
2010-05-06 17:43                                   ` Matthew Garrett
2010-05-06 18:33                                     ` Tony Lindgren
2010-05-06 18:44                                       ` Matthew Garrett
2010-05-07  2:05                                         ` Tony Lindgren
2010-05-07 17:12                                           ` Matthew Garrett
2010-05-07 17:35                                             ` Tony Lindgren
2010-05-07 17:50                                               ` Matthew Garrett
2010-05-07 18:01                                                 ` Tony Lindgren
2010-05-07 18:28                                                   ` Matthew Garrett
2010-05-07 18:43                                                     ` Tony Lindgren
2010-05-07 18:46                                                       ` Matthew Garrett
2010-05-07 19:06                                                         ` Daniel Walker
2010-05-07 19:28                                                           ` Tony Lindgren
2010-05-07 19:33                                                             ` Matthew Garrett
2010-05-07 19:55                                                               ` Tony Lindgren
2010-05-07 20:28                                                                 ` Matthew Garrett
2010-05-07 20:53                                                                   ` Tony Lindgren
2010-05-07 21:03                                                                     ` Matthew Garrett
2010-05-07 21:25                                                                       ` Tony Lindgren
2010-05-07 21:32                                                                         ` Arve Hjønnevåg
2010-05-07 21:39                                                                         ` Matthew Garrett
2010-05-07 21:42                                                                           ` Tony Lindgren
2010-05-07 21:48                                                                             ` Matthew Garrett [this message]
2010-05-07 22:00                                                                               ` Tony Lindgren
2010-05-07 22:28                                                                                 ` Matthew Garrett
2010-05-07 21:30                                                                       ` Daniel Walker
2010-05-07 21:35                                                                         ` Arve Hjønnevåg
2010-05-07 21:43                                                                           ` Daniel Walker
2010-05-07 21:38                                                                         ` Matthew Garrett
2010-05-06 18:47                                       ` Alan Stern
2010-05-07  2:20                                         ` Tony Lindgren
2010-05-28 13:29                                   ` Pavel Machek
2010-05-28 13:42                                     ` Brian Swetland
2010-05-06 17:35                               ` Daniel Walker
2010-05-06 18:36                                 ` Tony Lindgren
2010-05-06 19:11                                   ` Daniel Walker
2010-05-07  2:00                                     ` Tony Lindgren
2010-05-07 17:20                                       ` Daniel Walker
2010-05-07 17:36                                         ` Matthew Garrett
2010-05-07 17:40                                           ` Daniel Walker
2010-05-07 17:51                                             ` Matthew Garrett
2010-05-07 18:00                                               ` Daniel Walker
2010-05-07 18:17                                                 ` Tony Lindgren
2010-05-07 17:50                                         ` Tony Lindgren
2010-05-07  3:45                               ` mgross
2010-05-07  3:45                             ` mgross
2010-05-07  4:10                               ` Arve Hjønnevåg
2010-05-04 20:40     ` Arve Hjønnevåg
2010-05-03 16:40 ` [PATCH 0/8] Suspend block api (version 6) Kevin Hilman
2010-05-03 17:12   ` Alan Stern
2010-05-03 18:17     ` Kevin Hilman
2010-05-03 18:07   ` Mark Brown
2010-05-03 21:18     ` Rafael J. Wysocki
2010-05-03 23:37       ` Kevin Hilman
2010-05-04  0:09         ` Arve Hjønnevåg
2010-05-04  0:43           ` Brian Swetland
2010-05-04 13:59             ` Mark Brown
2010-05-04 18:06               ` Kevin Hilman
2010-05-04 19:06                 ` Mark Brown
2010-05-04 20:37                   ` Rafael J. Wysocki
2010-05-04 23:14                     ` Kevin Hilman
2010-05-04 23:42                       ` Rafael J. Wysocki
2010-05-04 20:23                 ` Rafael J. Wysocki
2010-05-04 20:44                   ` Rafael J. Wysocki
2010-05-04 23:56                   ` Mark Brown
2010-05-05  0:22                     ` Rafael J. Wysocki
2010-05-05  1:11                       ` Brian Swetland
2010-05-05 11:06                       ` Mark Brown
2010-05-05 12:00                         ` Brian Swetland
2010-05-05 13:56                           ` Mark Brown
2010-05-05 17:33                             ` Matthew Garrett
2010-05-05 18:36                               ` Alan Stern
2010-05-05 18:52                                 ` Matthew Garrett
2010-05-05 19:13                                   ` Alan Stern
2010-05-05 19:22                                     ` Matthew Garrett
2010-05-05 19:52                                       ` Mark Brown
2010-05-05 19:55                                         ` tytso
2010-05-05 20:26                                           ` Mark Brown
2010-05-05 20:44                                             ` Rafael J. Wysocki
2010-05-05 21:57                                               ` Mark Brown
2010-05-05 22:03                                                 ` Brian Swetland
2010-05-05 22:05                                                 ` Rafael J. Wysocki
2010-05-05 23:09                                                   ` Mark Brown
2010-05-05 23:33                                                     ` Rafael J. Wysocki
2010-05-06  0:21                                                       ` Mark Brown
2010-05-06  0:51                                                         ` Rafael J. Wysocki
2010-05-05 20:02                                         ` Matthew Garrett
2010-05-05 20:09                                           ` Mark Brown
2010-05-05 19:39                                     ` Mark Brown
2010-05-05 20:56                                     ` Brian Swetland
2010-05-05 23:40                                       ` Mark Brown
2010-05-06  4:25                                         ` Arve Hjønnevåg
2010-05-07 10:04                                           ` Mark Brown
2010-05-07 10:57                                             ` Arve Hjønnevåg
2010-05-07 11:21                                               ` Mark Brown
2010-05-07 11:29                                                 ` Theodore Tso
2010-05-07 12:25                                                   ` Mark Brown
2010-05-07 12:37                                                     ` Brian Swetland
2010-05-07 13:30                                                       ` Mark Brown
2010-05-11 18:47                                                         ` Mark Brown
2010-05-07 11:41                                                 ` Arve Hjønnevåg
2010-05-07 14:00                                                   ` Mark Brown
2010-05-05 19:07                                 ` Mark Brown
2010-05-05 19:20                                   ` Alan Stern
2010-05-05 19:28                                     ` Matthew Garrett
2010-05-05 20:04                                       ` Alan Stern
2010-05-05 20:15                                         ` Mark Brown
2010-05-05 20:28                                         ` Rafael J. Wysocki
2010-05-05 23:03                                         ` Kevin Hilman
2010-05-05 23:16                                           ` Rafael J. Wysocki
2010-05-05 23:42                                           ` Brian Swetland
2010-05-06 14:08                                             ` Alan Stern
2010-05-06 19:26                                               ` Rafael J. Wysocki
2010-05-05 18:39                               ` Mark Brown
2010-05-05 15:35                     ` Alan Stern
2010-05-05 16:27                       ` Mark Brown
2010-05-04 18:04           ` Kevin Hilman
2010-05-04  0:43         ` Matthew Garrett
2010-05-04 13:51           ` Alan Stern
2010-05-04 14:53             ` Mark Brown
2010-05-04 15:13             ` Kevin Hilman
2010-05-04 15:27             ` Matthew Garrett
2010-05-06  1:40               ` Magnus Damm
2010-05-04 15:13           ` Kevin Hilman
2010-05-04 15:28             ` Matthew Garrett
2010-05-03 21:50   ` Matthew Garrett
     [not found]     ` <alpine.DEB.2.00.1005141408260.3348@utopia.booyaka.com>
     [not found]       ` <20100514203202.GA12409@srcf.ucam.org>
     [not found]         ` <87aas2azc5.fsf@deeprootsystems.com>
     [not found]           ` <20100514231510.GG16989@thunk.org>
     [not found]             ` <87r5laa4oc.fsf@deeprootsystems.com>
     [not found]               ` <AANLkTilL90pYVlquvMDAEPHj_AraEi9Qzk-0tTjw9Bkx@mail.gmail.com>
2010-05-17 20:07                 ` [linux-pm] " Mike Chan
2010-05-17 20:17                   ` Vitaly Wool
2010-05-17 21:04                     ` Mike Chan
2010-05-17 22:55                   ` Kevin Hilman
2010-05-17 23:04                     ` Brian Swetland
2010-05-24 18:57     ` Pavel Machek
2010-05-24 19:08       ` Matthew Garrett
2010-05-25  1:16       ` Arve Hjønnevåg
2010-05-26 17:32         ` Pavel Machek
2010-05-05 20:35   ` mark gross
2010-05-10 18:06   ` Kevin Hilman
2010-05-10 20:25     ` Rafael J. Wysocki
2010-05-11 16:12       ` Tony Lindgren
2010-05-11 16:14         ` Matthew Garrett
2010-05-11 16:36           ` Tony Lindgren
2010-05-11 16:45             ` Matthew Garrett
2010-05-11 16:58               ` Tony Lindgren
2010-05-11 17:03                 ` Matthew Garrett
2010-05-11 17:24                   ` Tony Lindgren
2010-05-11 17:30                     ` Matthew Garrett
2010-05-11 17:48                       ` Tony Lindgren
2010-05-11 18:01                         ` Matthew Garrett
2010-05-11 18:19                       ` Rafael J. Wysocki
2010-05-12  1:11     ` Arve Hjønnevåg
2010-05-12 11:22       ` Mark Brown
2010-05-13  3:35 ` [linux-pm] " Paul Walmsley
2010-05-13 12:17   ` Matthew Garrett
2010-05-13 17:33     ` Daniel Walker
2010-05-13 18:17       ` Brian Swetland
2010-05-13 18:25         ` Daniel Walker
2010-05-13 18:36           ` Matthew Garrett
2010-05-13 18:59             ` Daniel Walker
2010-05-13 19:11               ` Matthew Garrett
2010-05-13 19:36                 ` Daniel Walker
2010-05-13 19:48                   ` Matthew Garrett
2010-05-13 21:11                     ` Rafael J. Wysocki
2010-05-13 21:16                       ` Daniel Walker
2010-05-13 21:27                         ` Rafael J. Wysocki
2010-05-13 21:33                           ` Daniel Walker
2010-05-13 21:36                             ` Tony Lindgren
2010-05-13 21:54                               ` Rafael J. Wysocki
2010-05-13 21:46                             ` Greg KH
2010-05-13 22:27                               ` Mark Brown
2010-05-13 22:45                                 ` Greg KH
2010-05-14  0:03                                   ` Mark Brown
2010-05-13 22:46                                 ` Rafael J. Wysocki
2010-05-13 23:36                                   ` Mark Brown
2010-05-13 23:48                                     ` Brian Swetland
2010-05-14  0:29                                       ` Mark Brown
2010-05-13 22:33                               ` Woodruff, Richard
2010-05-13 22:46                                 ` Greg KH
2010-05-13 23:06                                   ` Arve Hjønnevåg
2010-05-13 23:28                                   ` Brian Swetland
2010-05-14 16:47                               ` Daniel Walker
2010-05-13 14:16   ` Alan Stern
2010-05-13 19:17     ` Tony Lindgren
2010-05-13 19:25       ` Matthew Garrett
2010-05-13 19:42         ` Tony Lindgren
2010-05-13 19:53           ` Matthew Garrett
2010-05-13 20:00             ` Tony Lindgren
2010-05-13 20:08               ` Matthew Garrett
2010-05-13 20:23                 ` Tony Lindgren
2010-05-13 20:34                   ` Matthew Garrett
2010-05-13 21:10                     ` Tony Lindgren
2010-05-13 21:21                       ` Matthew Garrett
2010-05-13 21:34                         ` Tony Lindgren
2010-05-15 19:54                           ` Matthew Garrett
2010-05-13 21:21                     ` Rafael J. Wysocki
2010-05-13 21:25                       ` Tony Lindgren
2010-05-13 21:56                         ` Rafael J. Wysocki
2010-05-14 20:41                           ` Kevin Hilman
2010-05-14 21:25                             ` Rafael J. Wysocki
2010-05-14 21:40                             ` Kevin Hilman
2010-05-14 21:50                               ` Rafael J. Wysocki
2010-05-14 22:45                                 ` Kevin Hilman
2010-05-14 22:59                                   ` Brian Swetland
2010-05-15  2:58                                     ` Alan Stern
2010-05-15  3:40                                       ` Brian Swetland
2010-05-15 21:19                                         ` Alan Stern
2010-05-17 15:40                                           ` Kevin Hilman
2010-05-17 17:04                                             ` James Bottomley
2010-05-17 17:47                                               ` Felipe Balbi
2010-05-17 17:58                                                 ` Matthew Garrett
2010-05-17 18:16                                                   ` Felipe Balbi
2010-05-17 17:59                                                 ` James Bottomley
2010-05-17 18:12                                                   ` Felipe Balbi
2010-05-17 18:26                                                     ` Brian Swetland
2010-05-17 18:39                                                       ` Felipe Balbi
2010-05-17 18:45                                                         ` Brian Swetland
2010-05-17 20:22                                                           ` Rafael J. Wysocki
2010-05-17 18:45                                                         ` Mark Brown
2010-05-17 18:47                                                         ` Mike Chan
2010-05-17 19:24                                                     ` James Bottomley
2010-05-17 19:38                                                       ` Felipe Balbi
2010-05-17 19:39                                                         ` Felipe Balbi
2010-05-17 19:49                                                           ` James Bottomley
2010-05-18  6:40                                                             ` Felipe Balbi
2010-05-18 13:59                                                               ` James Bottomley
2010-05-19  6:59                                                                 ` Felipe Balbi
2010-05-19 20:42                                                                   ` Rafael J. Wysocki
2010-05-20  4:49                                                                     ` Felipe Balbi
2010-05-20 11:27                                                                       ` Vladimir Pantelic
2010-05-20 11:29                                                                         ` Felipe Balbi
2010-05-20 17:40                                                                         ` David Brownell
2010-05-20 18:50                                                                           ` Felipe Balbi
2010-05-20 23:08                                                                             ` David Brownell
2010-05-20  5:15                                                                   ` Florian Mickler
2010-05-20  8:57                                                                     ` Felipe Balbi
2010-05-20  8:57                                                                       ` Felipe Balbi
2010-05-20 10:05                                                                       ` Florian Mickler
2010-05-20 10:15                                                                         ` Felipe Balbi
2010-05-17 18:54                                                   ` Kevin Hilman
2010-05-17 17:57                                               ` Daniel Walker
2010-05-15 20:14                                   ` Rafael J. Wysocki
2010-05-16 19:44                                     ` Mark Brown
2010-05-13 22:24                         ` tytso
2010-05-13 20:36                   ` Daniel Walker
2010-05-14 16:06                 ` Kevin Hilman
2010-05-24 21:25                 ` Pavel Machek
2010-05-13 21:41           ` Alan Stern
2010-05-13 21:54             ` Tony Lindgren
2010-05-13 22:07               ` Rafael J. Wysocki
2010-05-13 22:26           ` Arve Hjønnevåg
2010-05-13 21:14       ` Rafael J. Wysocki
2010-05-13 21:31         ` Tony Lindgren
2010-05-13 21:57           ` Rafael J. Wysocki
2010-05-13 21:37       ` Alan Stern
2010-05-13 21:47         ` Tony Lindgren
2010-05-13 22:01           ` Alan Stern
2010-05-13 22:08             ` Tony Lindgren
2010-05-13 22:28               ` Rafael J. Wysocki
2010-05-15  2:35                 ` Alan Stern
2010-05-15  4:04                   ` Arve Hjønnevåg
2010-05-13 22:04           ` Rafael J. Wysocki
2010-05-14  3:25           ` Magnus Damm
2010-05-14 16:18             ` Kevin Hilman
2010-05-15  2:47             ` Alan Stern
2010-05-24 21:24     ` Pavel Machek
     [not found] <eGToe-3b9-5@gated-at.bofh.it>
     [not found] ` <eGUaB-4mU-1@gated-at.bofh.it>
     [not found]   ` <eGUtX-4Kd-3@gated-at.bofh.it>
     [not found]     ` <eGWvL-7Fy-1@gated-at.bofh.it>
     [not found]       ` <eGWFt-7S7-17@gated-at.bofh.it>
     [not found]         ` <eGWP9-8jH-17@gated-at.bofh.it>
2010-05-07  2:41           ` [linux-pm] [PATCH 1/8] PM: Add suspend block api James Kosin
2010-05-07  2:53             ` Arve Hjønnevåg
2010-05-07  3:01               ` James Kosin
2010-05-07  3:10                 ` Arve Hjønnevåg
2010-05-07  3:19                   ` James Kosin
2010-05-07 16:25                     ` Tony Lindgren
2010-05-24 18:57                   ` Pavel Machek
2010-05-24 18:57                   ` Pavel Machek
2010-05-07 16:10             ` Tony Lindgren

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20100507214855.GA30190@srcf.ucam.org \
    --to=mjg@redhat.com \
    --cc=akpm@linux-foundation.org \
    --cc=dwalker@fifo99.com \
    --cc=fengguang.wu@intel.com \
    --cc=jbarnes@virtuousgeek.org \
    --cc=len.brown@intel.com \
    --cc=linux-doc@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-pm@lists.linux-foundation.org \
    --cc=markgross@thegnar.org \
    --cc=mgross@linux.intel.com \
    --cc=oleg@redhat.com \
    --cc=stern@rowland.harvard.edu \
    --cc=swetland@google.com \
    --cc=tj@kernel.org \
    --cc=tony@atomide.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).