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From: Pavel Machek <pavel@ucw.cz>
To: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: Len Brown <len.brown@intel.com>,
	linux-embedded@vger.kernel.org,
	Dmitry Torokhov <dmitry.torokhov@gmail.com>,
	linux-kernel@vger.kernel.org,
	linux-pm@lists.linux-foundation.org,
	Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH] PM: Hide CONFIG_PM from users
Date: Tue, 8 Feb 2011 15:29:01 +0100	[thread overview]
Message-ID: <20110208142901.GB1437__41473.7798426815$1297175511$gmane$org@ucw.cz> (raw)
In-Reply-To: <1297081335-13631-1-git-send-email-broonie@opensource.wolfsonmicro.com>

Hi!

> It is very rare to find a current system which is both sufficiently
> resource constrained to want to compile out power management support
> and sufficiently power insensitive to be able to tolerate doing so.

Ok, how much memory do we talk about here?

Lots of embedded systems are AC powered or powered from some powerful
source -- such as alternator in car. PM can be unwanted complexity
there.

Ot maybe they are running under realtime hypervisor...

-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

  parent reply	other threads:[~2011-02-08 14:29 UTC|newest]

Thread overview: 139+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-02-07 12:22 [PATCH] PM: Hide CONFIG_PM from users Mark Brown
2011-02-07 12:40 ` Geert Uytterhoeven
2011-02-07 13:26   ` Mark Brown
2011-02-07 13:26   ` Mark Brown
2011-02-07 12:40 ` Geert Uytterhoeven
2011-02-07 12:48 ` Ingo Molnar
2011-02-07 12:48 ` Ingo Molnar
2011-02-07 13:09   ` Mark Brown
2011-02-07 13:09   ` Mark Brown
2011-02-07 14:13 ` Stephen Rothwell
2011-02-07 14:13   ` Stephen Rothwell
2011-02-07 14:13   ` Stephen Rothwell
2011-02-07 14:18   ` Mark Brown
2011-02-07 14:18     ` Mark Brown
2011-02-07 14:44     ` Stephen Rothwell
2011-02-07 14:44     ` Stephen Rothwell
2011-02-07 14:44       ` Stephen Rothwell
2011-02-07 14:50       ` Mark Brown
2011-02-07 14:50       ` Mark Brown
2011-02-07 14:50         ` Mark Brown
2011-02-07 15:00         ` Geert Uytterhoeven
2011-02-07 15:00         ` Geert Uytterhoeven
2011-02-07 15:00           ` Geert Uytterhoeven
2011-02-07 15:00           ` Geert Uytterhoeven
2011-02-07 15:10           ` Stephen Rothwell
2011-02-07 15:10           ` Stephen Rothwell
2011-02-07 15:10             ` Stephen Rothwell
2011-02-07 15:19             ` Stephen Rothwell
2011-02-07 15:19             ` Stephen Rothwell
2011-02-07 15:19               ` Stephen Rothwell
2011-02-07 15:21               ` Mark Brown
2011-02-07 15:21               ` Mark Brown
2011-02-07 15:21                 ` Mark Brown
2011-02-07 15:36                 ` Alan Stern
2011-02-07 15:36                 ` Alan Stern
2011-02-07 15:36                   ` Alan Stern
2011-02-07 15:36                   ` Alan Stern
2011-02-07 15:49                   ` Mark Brown
2011-02-07 15:49                   ` Mark Brown
2011-02-07 15:49                     ` Mark Brown
2011-02-07 19:16                     ` Rafael J. Wysocki
2011-02-07 19:16                     ` Rafael J. Wysocki
2011-02-07 19:16                       ` Rafael J. Wysocki
2011-02-08  1:17                     ` Ray Lee
2011-02-08  1:17                     ` Ray Lee
2011-02-08  1:17                       ` Ray Lee
2011-02-08 11:18                       ` Mark Brown
2011-02-08 11:18                         ` Mark Brown
2011-02-08 11:18                       ` Mark Brown
2011-02-07 14:18   ` Mark Brown
2011-02-07 14:13 ` Stephen Rothwell
2011-02-07 19:14 ` Rafael J. Wysocki
2011-02-07 19:30   ` Mark Brown
2011-02-07 19:30   ` Mark Brown
2011-02-07 19:46     ` Rafael J. Wysocki
2011-02-07 19:46     ` Rafael J. Wysocki
2011-02-07 20:18       ` Mark Brown
2011-02-07 20:18       ` Mark Brown
2011-02-07 21:15         ` Rafael J. Wysocki
2011-02-07 21:15         ` Rafael J. Wysocki
2011-02-07 21:47           ` Dmitry Torokhov
2011-02-07 22:00             ` Rafael J. Wysocki
2011-02-07 22:23               ` Dmitry Torokhov
2011-02-07 22:23               ` Dmitry Torokhov
2011-02-07 23:05                 ` Rafael J. Wysocki
2011-02-07 23:05                   ` Rafael J. Wysocki
2011-02-08  0:50                   ` Dmitry Torokhov
2011-02-08  0:50                   ` Dmitry Torokhov
2011-02-08  9:23                     ` Rafael J. Wysocki
2011-02-08  9:23                     ` Rafael J. Wysocki
2011-02-08 16:48                   ` Paul Mundt
2011-02-08 16:48                   ` Paul Mundt
2011-02-07 22:00             ` Rafael J. Wysocki
2011-02-07 21:47           ` Dmitry Torokhov
2011-02-08 12:12           ` Mark Brown
2011-02-08 12:12           ` Mark Brown
2011-02-08 12:21           ` [PATCH] Remove CONFIG_PM altogether, enable power management all the time Ingo Molnar
2011-02-08 12:21           ` Ingo Molnar
2011-02-08 21:18             ` [PATCH 0/5] " Rafael J. Wysocki
2011-02-08 21:18             ` Rafael J. Wysocki
2011-02-08 21:20               ` [PATCH 1/5] ACPI / PM: Move references to pm_flags into sleep.c Rafael J. Wysocki
2011-02-08 23:40                 ` Linus Torvalds
2011-02-08 23:40                 ` Linus Torvalds
2011-02-09  0:37                   ` Rafael J. Wysocki
2011-02-09  0:37                   ` Rafael J. Wysocki
2011-02-09  1:04                     ` Linus Torvalds
2011-02-09  1:04                     ` Linus Torvalds
2011-02-08 21:20               ` Rafael J. Wysocki
2011-02-08 21:21               ` [PATCH 2/5] PM: Make CONFIG_PM depend on (CONFIG_PM_SLEEP || CONFIG_PM_RUNTIME) Rafael J. Wysocki
2011-02-08 21:21               ` Rafael J. Wysocki
2011-02-08 21:21                 ` Rafael J. Wysocki
2011-02-08 21:21               ` [PATCH 3/5] PM: Reorder power management Kconfig options Rafael J. Wysocki
2011-02-08 21:21               ` Rafael J. Wysocki
2011-02-08 21:22               ` [PATCH 4/5] PM: Replace CONFIG_PM_OPS with CONFIG_PM Rafael J. Wysocki
2011-02-08 21:22               ` Rafael J. Wysocki
2011-02-08 21:23               ` [PATCH 5/5] PM: Clean up Kconfig dependencies Rafael J. Wysocki
2011-02-08 21:23               ` Rafael J. Wysocki
2011-02-08 23:43                 ` Linus Torvalds
2011-02-08 23:43                 ` Linus Torvalds
2011-02-10 23:32                 ` [Updated][PATCH 5/5] PM: Clean up PM_TRACE dependencies and drop unnecessary Kconfig option Rafael J. Wysocki
2011-02-10 23:32                 ` Rafael J. Wysocki
2011-02-08 23:35             ` [PATCH] Remove CONFIG_PM altogether, enable power management all the time Frank Rowand
2011-02-08 23:35             ` Frank Rowand
2011-02-08 23:35               ` Frank Rowand
2011-02-09 11:41               ` Mark Brown
2011-02-09 11:41               ` Mark Brown
2011-02-09 11:58                 ` Mark Brown
2011-02-09 11:58                 ` Mark Brown
2011-02-09 17:07                 ` Rafael J. Wysocki
2011-02-09 17:07                 ` Rafael J. Wysocki
2011-02-09 18:31                   ` Frank Rowand
2011-02-09 18:31                   ` Frank Rowand
2011-02-09 18:40                     ` Mark Brown
2011-02-09 18:40                     ` Mark Brown
2011-02-09 19:00                       ` Frank Rowand
2011-02-09 19:25                         ` Mark Brown
2011-02-09 19:53                           ` Tim Bird
2011-02-09 19:53                           ` Tim Bird
2011-02-09 19:59                             ` Mark Brown
2011-02-09 19:59                             ` Mark Brown
2011-02-09 20:09                               ` Alan Stern
2011-02-09 20:09                               ` Alan Stern
2011-02-09 20:10                                 ` Mark Brown
2011-02-09 20:10                                 ` Mark Brown
2011-02-09 19:25                         ` Mark Brown
2011-02-09 19:00                       ` Frank Rowand
2011-02-08 23:35             ` Tim Bird
2011-02-09  2:41               ` Ingo Molnar
2011-02-09  2:41               ` Ingo Molnar
2011-02-08 23:35             ` Tim Bird
2011-02-07 19:14 ` [PATCH] PM: Hide CONFIG_PM from users Rafael J. Wysocki
2011-02-08  2:52 ` Frank Rowand
2011-02-08  2:52 ` Frank Rowand
2011-02-08  2:52   ` Frank Rowand
2011-02-08 14:15   ` Mark Brown
2011-02-08 14:15   ` Mark Brown
2011-02-08 14:29 ` Pavel Machek [this message]
2011-02-08 14:29 ` Pavel Machek
2011-02-07 12:22 Mark Brown

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