Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8)

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From: Alan Cox
Date: Thursday, May 27, 2010 - 8:10 am

> > Heck, for all I care, simply SIGKILL the thing and report it once the

That isn't helpful. But if you feel like that I suggest you run with your
memory management protection disabled, it's really on there to deal with
crap code and its giving the wrong incentives. Come to think of it
you might want to remove your seatbelts and any safety catches or airbags
- it only encourages carelessness.

The reality is you need a sane, generic, race free way to express your
requirements (eg for hard RT) and ditto for constraining the expression
(for 'crapplications')

Arguing that you don't need to do this isn't useful. Android has
demonstrated a need to do this. RT has a need to do some of this.
Virtualisation wants elements of this etc.

The question is how you do it right.
--
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Messages in current thread:
[PATCH 0/8] Suspend block api (version 8), =?UTF-8?q?Arve=20Hj= ..., (Fri May 21, 3:46 pm)
[PATCH 1/8] PM: Opportunistic suspend support., =?UTF-8?q?Arve=20Hj= ..., (Fri May 21, 3:46 pm)
[PATCH 2/8] PM: suspend_block: Add driver to access suspen ..., =?UTF-8?q?Arve=20Hj= ..., (Fri May 21, 3:46 pm)
[PATCH 3/8] PM: suspend_block: Abort task freezing if a su ..., =?UTF-8?q?Arve=20Hj= ..., (Fri May 21, 3:46 pm)
[PATCH 4/8] PM: suspend_block: Add debugfs file, =?UTF-8?q?Arve=20Hj= ..., (Fri May 21, 3:46 pm)
[PATCH 5/8] PM: suspend_block: Add suspend_blocker stats, =?UTF-8?q?Arve=20Hj= ..., (Fri May 21, 3:46 pm)
[PATCH 6/8] PM: Add suspend blocking work., =?UTF-8?q?Arve=20Hj= ..., (Fri May 21, 3:46 pm)
[PATCH 7/8] Input: Block suspend while event queue is not ..., =?UTF-8?q?Arve=20Hj= ..., (Fri May 21, 3:46 pm)
[PATCH 8/8] power_supply: Block suspend while power supply ..., =?UTF-8?q?Arve=20Hj= ..., (Fri May 21, 3:46 pm)
Re: [PATCH 0/8] Suspend block api (version 8), Rafael J. Wysocki, (Sun May 23, 5:46 pm)
Re: [PATCH 0/8] Suspend block api (version 8), Felipe Balbi, (Sun May 23, 9:32 pm)
Re: [PATCH 0/8] Suspend block api (version 8), Rafael J. Wysocki, (Mon May 24, 11:49 am)
Re: [PATCH 0/8] Suspend block api (version 8), Kevin Hilman, (Mon May 24, 3:51 pm)
Re: [PATCH 0/8] Suspend block api (version 8), Rafael J. Wysocki, (Mon May 24, 4:38 pm)
Re: [PATCH 0/8] Suspend block api (version 8), Peter Zijlstra, (Wed May 26, 1:45 am)
Re: [PATCH 0/8] Suspend block api (version 8), Peter Zijlstra, (Wed May 26, 1:47 am)
Re: [PATCH 0/8] Suspend block api (version 8), Florian Mickler, (Wed May 26, 2:40 am)
Re: [PATCH 0/8] Suspend block api (version 8), Arve Hjønnevåg, (Wed May 26, 2:41 am)
Re: [PATCH 0/8] Suspend block api (version 8), Peter Zijlstra, (Wed May 26, 2:45 am)
Re: [PATCH 0/8] Suspend block api (version 8), Brian Swetland, (Wed May 26, 2:49 am)
Re: [PATCH 0/8] Suspend block api (version 8), Peter Zijlstra, (Wed May 26, 2:54 am)
Re: [PATCH 0/8] Suspend block api (version 8), Florian Mickler, (Wed May 26, 3:02 am)
Re: [PATCH 0/8] Suspend block api (version 8), Arve Hjønnevåg, (Wed May 26, 3:06 am)
Re: [PATCH 0/8] Suspend block api (version 8), Peter Zijlstra, (Wed May 26, 3:08 am)
Re: [PATCH 0/8] Suspend block api (version 8), Peter Zijlstra, (Wed May 26, 3:09 am)
Re: [PATCH 0/8] Suspend block api (version 8), Florian Mickler, (Wed May 26, 3:19 am)
Re: [PATCH 0/8] Suspend block api (version 8), Arve Hjønnevåg, (Wed May 26, 3:25 am)
Re: [PATCH 0/8] Suspend block api (version 8), Peter Zijlstra, (Wed May 26, 3:32 am)
Re: [PATCH 0/8] Suspend block api (version 8), Brian Swetland, (Wed May 26, 3:40 am)
Re: [PATCH 0/8] Suspend block api (version 8), Arve Hjønnevåg, (Wed May 26, 3:40 am)
Re: [PATCH 0/8] Suspend block api (version 8), Peter Zijlstra, (Wed May 26, 3:49 am)
Re: [PATCH 0/8] Suspend block api (version 8), Arve Hjønnevåg, (Wed May 26, 3:53 am)
Re: [PATCH 0/8] Suspend block api (version 8), Peter Zijlstra, (Wed May 26, 4:12 am)
Re: [PATCH 0/8] Suspend block api (version 8), Florian Mickler, (Wed May 26, 4:35 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Florian Mickler, (Wed May 26, 4:37 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Florian Mickler, (Wed May 26, 5:24 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Florian Mickler, (Wed May 26, 5:33 am)
Re: [PATCH 0/8] Suspend block api (version 8), Alan Cox, (Wed May 26, 5:35 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Peter Zijlstra, (Wed May 26, 5:41 am)
Re: [PATCH 0/8] Suspend block api (version 8), Peter Zijlstra, (Wed May 26, 5:53 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Florian Mickler, (Wed May 26, 5:54 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Florian Mickler, (Wed May 26, 6:03 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Peter Zijlstra, (Wed May 26, 6:06 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Peter Zijlstra, (Wed May 26, 6:07 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Florian Mickler, (Wed May 26, 6:19 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Florian Mickler, (Wed May 26, 6:30 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Florian Mickler, (Wed May 26, 6:39 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Thomas Gleixner, (Wed May 26, 6:46 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Florian Mickler, (Wed May 26, 8:11 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Peter Zijlstra, (Wed May 26, 8:12 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Peter Zijlstra, (Wed May 26, 8:15 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Peter Zijlstra, (Wed May 26, 8:16 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Florian Mickler, (Wed May 26, 8:40 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Peter Zijlstra, (Wed May 26, 8:45 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Florian Mickler, (Wed May 26, 8:47 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Florian Mickler, (Wed May 26, 8:49 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Thomas Gleixner, (Wed May 26, 10:22 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Florian Mickler, (Wed May 26, 12:54 pm)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Florian Mickler, (Wed May 26, 12:56 pm)
Re: [PATCH 0/8] Suspend block api (version 8), Zygo Blaxell, (Wed May 26, 1:18 pm)
Re: [PATCH 2/8] PM: suspend_block: Add driver to access su ..., Rafael J. Wysocki, (Wed May 26, 2:57 pm)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Arve Hjønnevåg, (Wed May 26, 3:30 pm)
Re: [PATCH 2/8] PM: suspend_block: Add driver to access su ..., Rafael J. Wysocki, (Wed May 26, 3:45 pm)
Re: [PATCH 0/8] Suspend block api (version 8), Arve Hjønnevåg, (Wed May 26, 3:52 pm)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Arve Hjønnevåg, (Wed May 26, 5:49 pm)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Florian Mickler, (Wed May 26, 10:11 pm)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Florian Mickler, (Wed May 26, 10:14 pm)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Arve Hjønnevåg, (Thu May 27, 1:05 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Felipe Contreras, (Thu May 27, 1:58 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Thomas Gleixner, (Thu May 27, 6:26 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Thomas Gleixner, (Thu May 27, 6:35 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Thomas Gleixner, (Thu May 27, 6:37 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Matthew Garrett, (Thu May 27, 7:06 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Peter Zijlstra, (Thu May 27, 7:28 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Thomas Gleixner, (Thu May 27, 7:29 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Matthew Garrett, (Thu May 27, 7:35 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Peter Zijlstra, (Thu May 27, 7:41 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Peter Zijlstra, (Thu May 27, 7:43 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Peter Zijlstra, (Thu May 27, 8:05 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Peter Zijlstra, (Thu May 27, 8:07 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Alan Cox, (Thu May 27, 8:10 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Thomas Gleixner, (Thu May 27, 8:32 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Matthew Garrett, (Thu May 27, 8:52 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Matthew Garrett, (Thu May 27, 9:07 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Matthew Garrett, (Thu May 27, 9:19 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Florian Mickler, (Thu May 27, 9:28 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Thomas Gleixner, (Thu May 27, 9:45 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Matthew Garrett, (Thu May 27, 9:52 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Matthew Garrett, (Thu May 27, 9:59 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Thomas Gleixner, (Thu May 27, 10:00 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Thomas Gleixner, (Thu May 27, 10:04 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Matthew Garrett, (Thu May 27, 10:07 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Peter Zijlstra, (Thu May 27, 10:13 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Thomas Gleixner, (Thu May 27, 10:15 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Matthew Garrett, (Thu May 27, 10:16 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Felipe Balbi, (Thu May 27, 10:18 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Peter Zijlstra, (Thu May 27, 10:20 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Florian Mickler, (Thu May 27, 10:21 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Matthew Garrett, (Thu May 27, 10:23 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Matthew Garrett, (Thu May 27, 10:25 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Peter Zijlstra, (Thu May 27, 10:25 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Matthew Garrett, (Thu May 27, 10:26 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Peter Zijlstra, (Thu May 27, 10:26 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Peter Zijlstra, (Thu May 27, 10:28 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Matthew Garrett, (Thu May 27, 10:32 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Peter Zijlstra, (Thu May 27, 10:35 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Matthew Garrett, (Thu May 27, 10:41 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Florian Mickler, (Thu May 27, 10:42 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Peter Zijlstra, (Thu May 27, 10:46 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Matthew Garrett, (Thu May 27, 10:50 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Peter Zijlstra, (Thu May 27, 10:52 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Matthew Garrett, (Thu May 27, 10:52 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Matthew Garrett, (Thu May 27, 10:54 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Peter Zijlstra, (Thu May 27, 10:56 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Thomas Gleixner, (Thu May 27, 10:59 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Matthew Garrett, (Thu May 27, 10:59 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Peter Zijlstra, (Thu May 27, 11:02 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Peter Zijlstra, (Thu May 27, 11:06 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Thomas Gleixner, (Thu May 27, 11:12 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Matthew Garrett, (Thu May 27, 11:12 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Matthew Garrett, (Thu May 27, 11:17 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Thomas Gleixner, (Thu May 27, 11:18 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Matthew Garrett, (Thu May 27, 11:18 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Matthew Garrett, (Thu May 27, 11:20 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Peter Zijlstra, (Thu May 27, 11:22 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Matthew Garrett, (Thu May 27, 11:23 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Matthew Garrett, (Thu May 27, 11:26 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Matthew Garrett, (Thu May 27, 11:31 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Zygo Blaxell, (Thu May 27, 11:35 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Thomas Gleixner, (Thu May 27, 11:53 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Matthew Garrett, (Thu May 27, 11:56 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Matthew Garrett, (Thu May 27, 12:06 pm)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Matthew Garrett, (Thu May 27, 12:29 pm)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Zygo Blaxell, (Thu May 27, 12:32 pm)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Matthew Garrett, (Thu May 27, 1:11 pm)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Thomas Gleixner, (Thu May 27, 1:23 pm)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Matthew Garrett, (Thu May 27, 1:38 pm)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Matthew Garrett, (Thu May 27, 2:06 pm)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Matthew Garrett, (Thu May 27, 2:08 pm)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Rafael J. Wysocki, (Thu May 27, 2:17 pm)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Matthew Garrett, (Thu May 27, 2:36 pm)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Rafael J. Wysocki, (Thu May 27, 2:55 pm)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Matthew Garrett, (Thu May 27, 3:08 pm)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Matthew Garrett, (Thu May 27, 3:35 pm)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Rafael J. Wysocki, (Thu May 27, 4:50 pm)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Florian Mickler, (Fri May 28, 12:03 am)
Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8), Florian Mickler, (Fri May 28, 12:25 am)