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From: Nigel Cunningham <nigel@tuxonice.net>
To: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>,
	linux-pm@lists.linux-foundation.org,
	tuxonice-devel@lists.tuxonice.net, linux-kernel@vger.kernel.org,
	Pavel Machek <pavel@ucw.cz>
Subject: Re: [TuxOnIce-devel] [RFC] TuxOnIce
Date: Sat, 09 May 2009 07:59:31 +1000	[thread overview]
Message-ID: <1241819971.19600.288.camel@nigel-laptop> (raw)
In-Reply-To: <200905082144.57955.bzolnier@gmail.com>

Hi.

On Fri, 2009-05-08 at 21:44 +0200, Bartlomiej Zolnierkiewicz wrote:
> Please proceed to Plan B then.
> 
> Adding third core code framework to do the same thing is out of question
> (probably same should have been said about adding second one in the past).

Why? We have plenty of history of having multiple implementations of
things (slub, slab and slob...).

> Moreover you will for sure hit much more regressions than you expect
> (I "love" seeing over and over again when people/companies get trapped
> into fallacy of superiority of their _own_ solution).

That's just wrong. TuxOnIce deliberately doesn't remove any of swsusp or
uswsusp so that there's no chance of users having regressions. It
provides the _option_ of being a drop in replacement for swsusp, but it
doesn't force users to take that option.

Regressions happen at the moment because TuxOnIce isn't included in
vanilla. Users update from one version of stable to the next or from one
version of head to the next and expect TuxOnIce to keep working, and it
doesn't always do that because of changes to the vanilla code that
require an updated patch.

> I really wouldn't consider teaming with Rafael to work on "swsuspOnTux"
> (evolving the in-kernel code while re-using chunks of TuxOnIce code) as
> a bad Plan B.  It has the potential of resulting in a solution clearly
> superior to all existing ones (TuxOnIce included).

If there are features in swsusp that TuxOnIce is lacking, or features to
uswsusp that TuxOnIce is lacking, please tell me what they are and I'll
implement them. In saying this, I don't deny that TuxOnIce code can
still be improved - there's a lot I'd still like to do.

Regards,

Nigel


  parent reply	other threads:[~2009-05-08 21:58 UTC|newest]

Thread overview: 281+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-05-06 14:38 [RFC] TuxOnIce Nigel Cunningham
2009-05-06 14:38 ` [PATCH 1/19] TuxOnIce: Documentation Nigel Cunningham
2009-05-16 20:10   ` Vegard Nossum
2009-05-16 20:10   ` Vegard Nossum
2009-05-16 22:18     ` Nigel Cunningham
2009-05-16 22:18     ` Nigel Cunningham
2009-05-06 14:38 ` Nigel Cunningham
2009-05-06 14:38 ` [PATCH 2/19] TuxOnIce: GEMS support Nigel Cunningham
2009-05-06 14:38 ` Nigel Cunningham
2009-05-06 14:38 ` [PATCH 3/19] TuxOnIce: Make drop_pagecache non-static and declared in mm.h Nigel Cunningham
2009-05-06 14:38 ` Nigel Cunningham
2009-05-06 14:39 ` [PATCH 4/19] TuxOnIce: Add support for just thawing kernel threads Nigel Cunningham
2009-05-06 14:39 ` Nigel Cunningham
2009-05-06 14:39 ` [PATCH 5/19] TuxOnIce: Create means of determining how many pages can be allocated Nigel Cunningham
2009-05-06 14:39 ` Nigel Cunningham
2009-05-06 14:39 ` [PATCH 6/19] TuxOnIce: Make functions and variables shared with swsusp non-static Nigel Cunningham
2009-05-06 14:39 ` Nigel Cunningham
2009-05-06 14:39 ` [PATCH 7/19] TuxOnIce: Modify swsusp bitmaps to allow modification during scanning Nigel Cunningham
2009-05-06 14:39 ` Nigel Cunningham
2009-05-06 14:39 ` [PATCH 8/19] TuxOnIce: Add core TuxOnIce code Nigel Cunningham
2009-05-06 14:39 ` Nigel Cunningham
2009-05-06 14:39 ` [PATCH 9/19] TuxOnIce: Netlink support Nigel Cunningham
2009-05-06 21:03   ` Sam Ravnborg
2009-05-06 21:03   ` Sam Ravnborg
2009-05-06 21:35     ` Nigel Cunningham
2009-05-07  4:34       ` Sam Ravnborg
2009-05-07  4:34       ` Sam Ravnborg
2009-05-06 21:35     ` Nigel Cunningham
2009-05-06 14:39 ` Nigel Cunningham
2009-05-06 14:39 ` [PATCH 10/19] TuxOnIce: Storage manager support Nigel Cunningham
2009-05-06 14:39 ` Nigel Cunningham
2009-05-06 14:39 ` [PATCH 11/19] TuxOnIce: Block I/O engine Nigel Cunningham
2009-05-06 14:39 ` Nigel Cunningham
2009-05-06 14:39 ` [PATCH 12/19] TuxOnIce: Compression support Nigel Cunningham
2009-05-06 14:39 ` Nigel Cunningham
2009-05-06 14:39 ` [PATCH 13/19] TuxOnIce: File allocator Nigel Cunningham
2009-05-06 14:39 ` Nigel Cunningham
2009-05-06 14:39 ` [PATCH 14/19] TuxOnIce: Swap support Nigel Cunningham
2009-05-06 14:39 ` Nigel Cunningham
2009-05-06 14:39 ` [PATCH 15/19] TuxOnIce: Userspace user interface support Nigel Cunningham
2009-05-06 14:39 ` Nigel Cunningham
2009-05-06 14:39 ` [PATCH 16/19] TuxOnIce: Warn user if an initrd doesn't include an attempt at resuming Nigel Cunningham
2009-05-06 14:39 ` Nigel Cunningham
2009-05-06 14:39 ` [PATCH 17/19] TuxOnIce: Support for replacing swsusp Nigel Cunningham
2009-05-06 14:39 ` Nigel Cunningham
2009-05-06 14:39 ` [PATCH 18/19] TuxOnIce: Provide a means of determining the freezer state Nigel Cunningham
2009-05-06 14:39 ` Nigel Cunningham
2009-05-06 14:39 ` [PATCH 19/19] TuxOnIce: Don't try to wake kswapd if the freezer is on Nigel Cunningham
2009-05-06 14:39 ` Nigel Cunningham
2009-05-07 12:09 ` [RFC] TuxOnIce Pavel Machek
2009-05-07 12:09 ` Pavel Machek
2009-05-07 15:28   ` [TuxOnIce-devel] " Kenneth Crudup
2009-05-07 15:28   ` Kenneth Crudup
2009-05-07 17:05     ` Kenneth Crudup
2009-05-09  9:10       ` Stefan Richter
2009-05-09  9:10       ` Stefan Richter
2009-05-10  5:37       ` Pavel Machek
2009-05-10  5:37       ` Pavel Machek
2009-05-07 17:05     ` Kenneth Crudup
2009-05-10  5:37     ` Pavel Machek
2009-05-10  5:37     ` Pavel Machek
2009-05-07 16:54   ` Sunil Kumar
2009-05-07 16:55   ` U Kuehn
2009-05-07 17:45     ` Rafael J. Wysocki
2009-05-07 17:49       ` Kenneth Crudup
2009-05-07 18:54         ` Fabio Comolli
2009-05-07 18:54         ` Fabio Comolli
2009-05-07 18:57           ` Kenneth Crudup
2009-05-07 18:57           ` Kenneth Crudup
2009-05-07 17:49       ` Kenneth Crudup
2009-05-07 17:52       ` Matt Price
2009-05-07 17:52       ` Matt Price
2009-05-07 18:22         ` Rafael J. Wysocki
2009-05-07 18:57           ` Fabio Comolli
2009-05-07 18:57           ` Fabio Comolli
2009-05-07 19:27             ` Rafael J. Wysocki
2009-05-07 19:27             ` Rafael J. Wysocki
2009-05-07 20:41               ` Nigel Cunningham
2009-05-07 23:14                 ` Jesse Barnes
2009-05-07 23:14                 ` Jesse Barnes
2009-05-07 23:32                   ` Nigel Cunningham
2009-05-07 23:32                   ` Nigel Cunningham
2009-05-07 23:43                     ` Jesse Barnes
2009-05-08  0:13                       ` Nigel Cunningham
2009-05-08  0:13                       ` Nigel Cunningham
2009-05-08  0:39                         ` Jesse Barnes
2009-05-08  0:39                         ` Jesse Barnes
2009-05-08  0:39                         ` Jesse Barnes
2009-05-08  0:49                           ` Nigel Cunningham
2009-05-08  0:49                           ` Nigel Cunningham
2009-05-08  0:18                       ` Rafael J. Wysocki
2009-05-08  0:18                       ` Rafael J. Wysocki
2009-05-07 23:43                     ` Jesse Barnes
2009-05-07 20:41               ` Nigel Cunningham
2009-05-07 21:46             ` Pavel Machek
2009-05-08  7:11               ` Fabio Comolli
2009-05-08  7:11               ` Fabio Comolli
2009-05-07 21:46             ` Pavel Machek
2009-05-07 18:22         ` Rafael J. Wysocki
2009-05-07 17:45     ` Rafael J. Wysocki
2009-05-07 21:42     ` Pavel Machek
2009-05-07 21:42     ` Pavel Machek
2009-05-08  0:11     ` Alex Goebel
2009-05-08  0:11     ` Alex Goebel
2009-05-07 16:55   ` U Kuehn
2009-05-07 16:55   ` U Kuehn
2009-05-07 17:42   ` Rafael J. Wysocki
2009-05-07 20:37     ` Nigel Cunningham
2009-05-07 20:37     ` Nigel Cunningham
2009-05-07 21:51     ` Pavel Machek
2009-05-07 21:51     ` Pavel Machek
2009-05-08  1:34       ` [TuxOnIce-devel] " Nigel Cunningham
2009-05-08 14:11         ` Rafael J. Wysocki
2009-05-08 21:52           ` Nigel Cunningham
2009-05-08 21:52           ` Nigel Cunningham
2009-05-08 22:46             ` Rafael J. Wysocki
2009-05-08 23:30               ` Nigel Cunningham
2009-05-08 23:30               ` Nigel Cunningham
2009-05-08 23:43                 ` Rafael J. Wysocki
2009-05-08 23:43                 ` Rafael J. Wysocki
2009-05-25 10:05                   ` Nigel Cunningham
2009-05-25 12:43                     ` Pavel Machek
2009-05-25 13:15                       ` Nigel Cunningham
2009-05-25 13:15                       ` Nigel Cunningham
2009-05-25 12:43                     ` Pavel Machek
2009-05-25 21:43                     ` Rafael J. Wysocki
     [not found]                       ` <1243288705.16743.129.camel@nigel-laptop>
2009-05-25 22:39                         ` Rafael J. Wysocki
2009-05-25 22:39                         ` Rafael J. Wysocki
2009-05-26  0:39                           ` Nigel Cunningham
2009-05-26  0:39                           ` Nigel Cunningham
2009-05-26 22:27                             ` Rafael J. Wysocki
2009-05-26 22:27                             ` Rafael J. Wysocki
2009-05-27  0:02                               ` Nigel Cunningham
2009-05-27 18:26                                 ` Len Brown
2009-05-27 18:26                                 ` [linux-pm] " Len Brown
2009-05-27  0:02                               ` Nigel Cunningham
2009-05-25 22:45                       ` Oliver Neukum
2009-05-25 22:58                         ` Rafael J. Wysocki
2009-05-25 23:13                           ` Oliver Neukum
2009-05-27 14:38                             ` Martin Steigerwald
2009-05-27 14:38                             ` Martin Steigerwald
2009-05-25 23:13                           ` Oliver Neukum
2009-05-26  0:42                           ` Nigel Cunningham
2009-05-26  0:42                           ` Nigel Cunningham
2009-05-26  9:19                           ` Pavel Machek
2009-05-26  9:19                           ` Pavel Machek
2009-05-26 11:07                             ` Oliver Neukum
2009-05-26 11:07                             ` Oliver Neukum
2009-05-26 21:33                               ` Nigel Cunningham
2009-05-26 21:33                               ` Nigel Cunningham
2009-05-26 21:56                                 ` Alan Stern
2009-05-26 21:56                                 ` [linux-pm] " Alan Stern
2009-05-26 22:24                                   ` Oliver Neukum
2009-05-26 22:24                                   ` [linux-pm] " Oliver Neukum
2009-05-27  0:00                                     ` Nigel Cunningham
2009-05-27  0:00                                     ` Nigel Cunningham
2009-05-26 23:59                                   ` Nigel Cunningham
2009-05-26 23:59                                   ` [linux-pm] " Nigel Cunningham
2009-05-26 21:36                               ` Pavel Machek
2009-05-26 21:36                               ` Pavel Machek
2009-05-26 21:29                             ` Nigel Cunningham
2009-05-26 21:29                             ` Nigel Cunningham
2009-05-26 22:51                           ` Oliver Neukum
2009-05-26 23:10                             ` Rafael J. Wysocki
2009-05-26 23:10                             ` Rafael J. Wysocki
2009-05-26 22:51                           ` Oliver Neukum
2009-05-25 22:58                         ` Rafael J. Wysocki
2009-05-26  0:42                         ` Nigel Cunningham
2009-05-26  0:42                         ` Nigel Cunningham
2009-05-25 22:45                       ` Oliver Neukum
2009-05-25 21:43                     ` Rafael J. Wysocki
2009-05-25 10:05                   ` Nigel Cunningham
2009-05-08 23:44                 ` Ray Lee
2009-05-08 23:44                 ` Ray Lee
2009-05-27 19:10                   ` Len Brown
2009-05-27 19:10                   ` Len Brown
2009-05-27 19:10                   ` Len Brown
2009-05-27 23:43                     ` Nigel Cunningham
2009-05-27 23:43                     ` Nigel Cunningham
2009-05-09 13:54                 ` Pavel Machek
2009-05-09 13:54                 ` Pavel Machek
2009-05-25  9:53                   ` Nigel Cunningham
2009-05-25  9:53                   ` Nigel Cunningham
2009-05-25 22:02                     ` Rafael J. Wysocki
2009-05-25 22:02                     ` Rafael J. Wysocki
2009-05-26  0:19                       ` Nigel Cunningham
2009-05-26 22:37                         ` Rafael J. Wysocki
2009-05-27  0:06                           ` Nigel Cunningham
2009-05-27  0:06                           ` Nigel Cunningham
2009-05-26 22:37                         ` Rafael J. Wysocki
2009-05-26  0:19                       ` Nigel Cunningham
2009-05-28 11:50                     ` Pavel Machek
2009-05-28 11:50                     ` Pavel Machek
2009-05-09 13:27               ` Pavel Machek
2009-05-09 19:32                 ` Rafael J. Wysocki
2009-05-09 22:22                   ` Nigel Cunningham
2009-05-09 22:22                   ` Nigel Cunningham
2009-05-14  9:16                   ` Pavel Machek
2009-05-16 23:11                     ` Nigel Cunningham
2009-05-16 23:11                     ` Nigel Cunningham
2009-05-14  9:16                   ` Pavel Machek
2009-05-09 19:32                 ` Rafael J. Wysocki
2009-05-09 13:27               ` Pavel Machek
2009-05-08 22:46             ` Rafael J. Wysocki
2009-05-09 13:03           ` Pavel Machek
2009-05-09 13:03           ` Pavel Machek
2009-05-08 14:11         ` Rafael J. Wysocki
2009-05-08 19:44         ` Bartlomiej Zolnierkiewicz
2009-05-08 21:03           ` Rafael J. Wysocki
2009-05-08 21:03           ` Rafael J. Wysocki
2009-05-08 22:37             ` Nigel Cunningham
2009-05-08 22:37             ` Nigel Cunningham
2009-05-08 21:59           ` Nigel Cunningham
2009-05-08 21:59           ` Nigel Cunningham [this message]
2009-05-08 23:05             ` Bartlomiej Zolnierkiewicz
2009-05-08 23:05             ` Bartlomiej Zolnierkiewicz
2009-05-08 23:15               ` Nigel Cunningham
2009-05-09 13:58                 ` Pavel Machek
2009-05-09 13:58                 ` Pavel Machek
2009-05-25  9:27                   ` Nigel Cunningham
2009-05-25  9:27                   ` Nigel Cunningham
2009-05-25 12:32                     ` Pavel Machek
2009-05-25 13:22                       ` Oliver Neukum
2009-05-25 13:26                         ` Pavel Machek
2009-05-25 21:50                           ` Nigel Cunningham
2009-05-25 21:50                           ` Nigel Cunningham
2009-05-25 13:26                         ` Pavel Machek
2009-05-25 13:22                       ` Oliver Neukum
2009-05-25 21:39                       ` Nigel Cunningham
2009-05-25 22:29                         ` Oliver Neukum
2009-05-26  0:28                           ` Nigel Cunningham
2009-05-26  0:28                           ` Nigel Cunningham
2009-05-26  0:35                           ` david
2009-05-26  0:35                             ` david
2009-05-26  0:47                             ` Nigel Cunningham
2009-05-26  0:47                             ` Nigel Cunningham
2009-05-26  8:43                           ` Pavel Machek
2009-05-26 10:56                             ` Oliver Neukum
2009-05-26 10:56                             ` Oliver Neukum
2009-05-26  8:43                           ` Pavel Machek
2009-05-25 22:29                         ` Oliver Neukum
2009-05-25 21:39                       ` Nigel Cunningham
2009-05-25 12:32                     ` Pavel Machek
2009-05-08 23:15               ` Nigel Cunningham
2009-05-09 11:12             ` Pekka Enberg
2009-05-09 11:12             ` Pekka Enberg
2009-05-08 19:44         ` Bartlomiej Zolnierkiewicz
2009-05-08  1:34       ` Nigel Cunningham
2009-05-07 17:42   ` Rafael J. Wysocki
2009-05-07 22:37   ` [TuxOnIce-devel] " trekker.dk
2009-05-07 22:37   ` trekker.dk
2009-05-08  1:17     ` Shannon McMackin
2009-05-08 21:47       ` Fabio Comolli
2009-05-10  5:38       ` Pavel Machek
2009-05-11 20:10         ` Vladislav Bolkhovitin
2009-05-10  5:38     ` Pavel Machek
2009-05-11 21:19       ` trekker.dk
2009-05-11 21:23         ` Pavel Machek
2009-05-13 20:19           ` trekker.dk
2009-05-13 20:19           ` trekker.dk
2009-05-13 20:24             ` Pavel Machek
2009-05-13 22:07               ` trekker.dk
2009-05-13 22:07               ` trekker.dk
2009-05-13 20:24             ` Pavel Machek
2009-05-11 21:23         ` Pavel Machek
2009-05-11 23:23         ` Alex Goebel
2009-05-11 23:23         ` Alex Goebel
2009-05-11 21:19       ` trekker.dk
2009-05-10  5:38     ` Pavel Machek
2009-05-16 19:07 ` Martin Steigerwald
2009-05-16 19:07 ` Martin Steigerwald
2009-05-17  2:53   ` Matt Price
2009-05-17  2:53   ` Matt Price
2009-05-17  3:06     ` Nigel Cunningham
2009-05-17  3:06     ` Nigel Cunningham
2009-05-17  3:24       ` Matt Price
2009-05-17  3:24       ` Matt Price
2009-05-17  3:57 ` Benjamin Herrenschmidt
2009-05-17  3:57 ` Benjamin Herrenschmidt
2009-05-17  5:02   ` Nigel Cunningham
2009-05-17  5:02   ` Nigel Cunningham

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