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From: "Rafael J. Wysocki" <rjw@sisk.pl>
To: Adrian Bunk <bunk@kernel.org>
Cc: david@lang.hm, Linus Torvalds <torvalds@linux-foundation.org>,
	David Miller <davem@davemloft.net>,
	linux-kernel@vger.kernel.org,
	Andrew Morton <akpm@linux-foundation.org>,
	Jiri Slaby <jirislaby@gmail.com>
Subject: Re: Slow DOWN, please!!!
Date: Thu, 1 May 2008 02:56:23 +0200	[thread overview]
Message-ID: <200805010256.25018.rjw@sisk.pl> (raw)
In-Reply-To: <20080501003855.GN29330@cs181133002.pp.htv.fi>

On Thursday, 1 of May 2008, Adrian Bunk wrote:
> On Thu, May 01, 2008 at 01:45:38AM +0200, Rafael J. Wysocki wrote:
> > On Thursday, 1 of May 2008, david@lang.hm wrote:
> > > On Thu, 1 May 2008, Rafael J. Wysocki wrote:
> > > 
> > > > On Wednesday, 30 of April 2008, Linus Torvalds wrote:
> > > >>
> > > >> On Wed, 30 Apr 2008, Rafael J. Wysocki wrote:
> > > >> So your "fewer commits over a unit of time" doesn't make sense.
> > > >
> > > > Oh, yes it does.  Equally well you could say that having brakes in a car
> > > > didn't make sense, even if you could drive it as fast as the engine allowed
> > > > you to. ;-)
> > > >
> > > >> We have those ten thousand commits. They need to go in. They cannot take
> > > >> forever.
> > > >
> > > > But perhaps some of them can wait a bit longer.
> > > 
> > > not really, if patches are produced at a rate of 1000/week and you decide 
> > > to only accept 2000 of them this month, a month later you have 6000 
> > > patches to deal with.
> > 
> > Well, I think you know how TCP works.  The sender can only send as much
> > data as the receiver lets it, no matter how much data there are to send.
> > I'm thinking about an analogous approach.
> > 
> > If the developers who produce those patches know in advance about the rate
> > limit and are promised to be treated fairly, they should be able to organize
> > their work in a different way.
> >...
> 
> We cannot control who develops what.

We don't need to.

> When someone wants some feature or wants to get Linux running on his 
> hardware he will always develop the code.
> 
> We can only control what we merge.

To be exact, we control what we merge and when.  There's no rule saying that
every patch has to be merged as soon as it appears to be ready for merging,
or during the nearest merge window, AFAICS.

> And the main rationale for the 2.6 development model was that we do no 
> longer want distributions to ship kernels with insane amounts of 
> patches.

This was an argument agaist starting a separate development branch in analogy
with 2.5, IIRC, and I agree with that.

Still, I think we don't need to merge patches at the current rate and it might
help improve their overall quality if we didn't.  Of course, the latter is only
a speculation, although it's based on my experience.

Thanks,
Rafael

  reply	other threads:[~2008-05-01  0:56 UTC|newest]

Thread overview: 229+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-04-30  2:03 David Miller
2008-04-30  4:03 ` David Newall
2008-04-30  4:18   ` David Miller
2008-04-30 13:04     ` David Newall
2008-04-30 13:18       ` Michael Kerrisk
2008-04-30 14:51       ` Linus Torvalds
2008-04-30 18:21         ` David Newall
2008-04-30 18:27           ` Linus Torvalds
2008-04-30 18:55             ` David Newall
2008-04-30 19:08               ` Linus Torvalds
2008-04-30 19:16                 ` David Newall
2008-04-30 19:25                   ` Linus Torvalds
2008-05-01  4:31                     ` David Newall
2008-05-01  4:37                       ` David Miller
2008-05-01 13:49                       ` Lennart Sorensen
2008-05-01 15:28                       ` Kasper Sandberg
2008-05-01 17:49                         ` Russ Dill
2008-05-02  1:47                           ` Kasper Sandberg
2008-05-02  2:54                             ` Russ Dill
2008-05-02  7:01                               ` Kasper Sandberg
2008-05-02 17:34                               ` Lee Mathers (TCAFS)
2008-05-02 18:21                                 ` Andi Kleen
2008-05-02 21:34                                   ` Kasper Sandberg
2008-04-30 19:06             ` Chris Friesen
2008-04-30 19:13               ` Linus Torvalds
2008-04-30 19:22                 ` David Newall
2008-04-30 19:42                   ` Linus Torvalds
2008-04-30  7:11   ` Tarkan Erimer
2008-04-30 13:28     ` David Newall
2008-04-30 13:38       ` Mike Galbraith
2008-04-30 14:41       ` mws
2008-04-30 14:55   ` Russ Dill
2008-04-30 14:48 ` Peter Teoh
2008-04-30 19:36 ` Rafael J. Wysocki
2008-04-30 20:00   ` Andrew Morton
2008-04-30 20:20     ` Rafael J. Wysocki
2008-04-30 20:05   ` Linus Torvalds
2008-04-30 20:14     ` Linus Torvalds
2008-04-30 20:56       ` Rafael J. Wysocki
2008-04-30 23:34       ` Greg KH
2008-04-30 20:45     ` Rafael J. Wysocki
2008-04-30 21:37       ` Linus Torvalds
2008-04-30 22:23         ` Rafael J. Wysocki
2008-04-30 22:31           ` Linus Torvalds
2008-04-30 22:41             ` Andrew Morton
2008-04-30 23:23               ` Rafael J. Wysocki
2008-04-30 23:41                 ` david
2008-04-30 23:51                   ` Rafael J. Wysocki
2008-05-01  0:57               ` Adrian Bunk
2008-05-01  1:25                 ` Linus Torvalds
2008-05-01  2:13                   ` Adrian Bunk
2008-05-01  2:30                     ` Linus Torvalds
2008-05-01 18:54                       ` Adrian Bunk
2008-05-14 14:55                       ` Pavel Machek
2008-05-01  1:35                 ` Theodore Tso
2008-05-01 12:31               ` Tarkan Erimer
2008-05-01 15:34                 ` Stefan Richter
2008-05-02 14:05                   ` Tarkan Erimer
2008-04-30 22:46             ` Willy Tarreau
2008-04-30 22:52               ` Andrew Morton
2008-04-30 23:21                 ` Willy Tarreau
2008-04-30 23:38                   ` Chris Shoemaker
2008-04-30 23:20               ` Linus Torvalds
2008-05-01  0:42                 ` Rafael J. Wysocki
2008-05-01  1:19                   ` Linus Torvalds
2008-05-01  1:31                     ` Andrew Morton
2008-05-01  1:43                       ` Linus Torvalds
2008-05-01 10:59                         ` Rafael J. Wysocki
2008-05-01 15:26                           ` Linus Torvalds
2008-05-01 17:09                             ` Rafael J. Wysocki
2008-05-01 17:41                               ` Linus Torvalds
2008-05-01 18:11                                 ` Al Viro
2008-05-01 18:23                                   ` Linus Torvalds
2008-05-01 18:30                                     ` Linus Torvalds
2008-05-01 18:58                                     ` Willy Tarreau
2008-05-01 19:37                                     ` Al Viro
2008-05-01 19:58                                       ` Andrew Morton
2008-05-01 20:07                                       ` Joel Becker
2008-05-01 18:50                                 ` Willy Tarreau
2008-05-01 19:07                                   ` david
2008-05-01 19:28                                     ` Willy Tarreau
2008-05-01 19:46                                       ` david
2008-05-01 19:53                                         ` Willy Tarreau
2008-05-01 22:17                                   ` Rafael J. Wysocki
2008-05-01 19:39                                 ` Friedrich Göpel
2008-05-01 21:59                                 ` Rafael J. Wysocki
2008-05-02 12:17                                   ` Stefan Richter
2008-05-01 18:35                             ` Chris Frey
2008-05-02 13:22                               ` Enrico Weigelt
2008-05-01  1:40                     ` Linus Torvalds
2008-05-01  1:51                       ` David Miller
2008-05-01  2:01                         ` Linus Torvalds
2008-05-01  2:17                           ` David Miller
2008-05-01  2:21                       ` Al Viro
2008-05-01  5:19                         ` david
2008-05-04  3:26                         ` Rene Herman
2008-05-01  2:31                       ` Nigel Cunningham
2008-05-01 18:32                         ` Stephen Clark
2008-05-01  3:53                       ` Frans Pop
2008-05-01 11:38                       ` Rafael J. Wysocki
2008-04-30 14:28                         ` Arjan van de Ven
2008-05-01 12:41                           ` Rafael J. Wysocki
2008-04-30 15:06                             ` Arjan van de Ven
2008-05-01  5:50                     ` Willy Tarreau
2008-05-01 11:53                       ` Rafael J. Wysocki
2008-05-01 12:11                         ` Will Newton
2008-05-01 13:16                         ` Bartlomiej Zolnierkiewicz
2008-05-01 13:53                           ` Rafael J. Wysocki
2008-05-01 14:35                             ` Bartlomiej Zolnierkiewicz
2008-05-01 15:29                           ` Ray Lee
2008-05-01 19:03                             ` Willy Tarreau
2008-05-01 19:36                         ` Valdis.Kletnieks
2008-05-01  1:30                 ` Jeremy Fitzhardinge
2008-05-01  5:35                   ` Willy Tarreau
2008-04-30 23:03             ` Rafael J. Wysocki
2008-04-30 22:40           ` david
2008-04-30 23:45             ` Rafael J. Wysocki
2008-04-30 23:57               ` david
2008-05-01  0:01                 ` Chris Shoemaker
2008-05-01  0:14                   ` david
2008-05-01  0:38                     ` Linus Torvalds
2008-05-01  1:39                       ` Jeremy Fitzhardinge
2008-05-01  0:38               ` Adrian Bunk
2008-05-01  0:56                 ` Rafael J. Wysocki [this message]
2008-05-01  1:25                   ` Adrian Bunk
2008-05-01 12:05                     ` Rafael J. Wysocki
2008-05-01 13:54       ` Stefan Richter
2008-05-01 14:06         ` Rafael J. Wysocki
2008-04-30 23:29     ` Paul Mackerras
2008-05-01  1:57       ` Jeff Garzik
2008-05-01  2:52         ` Frans Pop
2008-05-01  3:47       ` Linus Torvalds
2008-05-01  4:17         ` Jeff Garzik
2008-05-01  4:46           ` Linus Torvalds
2008-05-04 13:47             ` Krzysztof Halasa
2008-05-04 15:05               ` Jacek Luczak
2008-05-01  9:17           ` Alan Cox
2008-04-30 20:15   ` Andrew Morton
2008-04-30 20:31     ` Linus Torvalds
2008-04-30 20:47       ` Dan Noe
2008-04-30 20:59         ` Andrew Morton
2008-04-30 21:30           ` Rafael J. Wysocki
2008-04-30 21:37             ` Andrew Morton
2008-04-30 22:08             ` Linus Torvalds
2008-04-30 22:53           ` Mariusz Kozlowski
2008-04-30 23:11             ` Andrew Morton
2008-05-12  9:27               ` Ben Dooks
2008-05-02 10:20             ` Andi Kleen
2008-05-02 15:33               ` Mariusz Kozlowski
2008-04-30 20:54       ` Andrew Morton
2008-04-30 21:21         ` David Miller
2008-04-30 21:47           ` Rafael J. Wysocki
2008-04-30 22:02           ` Dmitri Vorobiev
2008-04-30 22:19           ` Ingo Molnar
2008-04-30 22:22             ` David Miller
2008-04-30 22:39               ` Rafael J. Wysocki
2008-04-30 22:54                 ` david
2008-04-30 23:12                 ` Willy Tarreau
2008-04-30 23:59                   ` Rafael J. Wysocki
2008-05-01  0:15                   ` Chris Shoemaker
2008-05-01  5:09                     ` Willy Tarreau
2008-04-30 22:35             ` Ingo Molnar
2008-04-30 22:49               ` Andrew Morton
2008-04-30 22:51               ` David Miller
2008-05-01  1:40                 ` Ingo Molnar
2008-05-01  2:48                 ` Adrian Bunk
2008-05-05  3:04             ` Rusty Russell
2008-05-02 13:37           ` Helge Hafting
2008-04-30 21:42         ` Dmitri Vorobiev
2008-04-30 22:06           ` Jiri Slaby
2008-04-30 22:10           ` Andrew Morton
2008-04-30 22:19             ` Linus Torvalds
2008-04-30 22:28               ` Dmitri Vorobiev
2008-05-01 16:26                 ` Diego Calleja
2008-05-01 16:31                   ` Dmitri Vorobiev
2008-05-02  1:48                   ` Stephen Rothwell
2008-05-01 23:06               ` Kevin Winchester
2008-04-30 23:04             ` Dmitri Vorobiev
2008-05-01 15:19               ` Jim Schutt
2008-05-01  6:15             ` Jan Engelhardt
2008-05-09  9:28         ` Jiri Kosina
2008-05-09 15:00           ` Jeff Garzik
2008-04-30 21:52       ` H. Peter Anvin
2008-05-01  3:24         ` Bob Tracy
2008-05-01 16:39         ` Valdis.Kletnieks
2008-05-01  0:31       ` RFC: starting a kernel-testers group for newbies Adrian Bunk
2008-04-30  7:03         ` Arjan van de Ven
2008-05-01  8:13           ` Andrew Morton
2008-04-30 14:15             ` Arjan van de Ven
2008-05-01 12:42               ` David Woodhouse
2008-04-30 15:02                 ` Arjan van de Ven
2008-05-05 10:03                 ` Benny Halevy
2008-05-04 12:45               ` Rene Herman
2008-05-04 13:00                 ` Pekka Enberg
2008-05-04 13:19                   ` Rene Herman
2008-05-05 13:13                   ` crosscompiler [WAS: RFC: starting a kernel-testers group for newbies] Enrico Weigelt
2008-05-01  9:16             ` RFC: starting a kernel-testers group for newbies Frans Pop
2008-05-01 10:30               ` Enrico Weigelt
2008-05-01 13:02                 ` Adrian Bunk
2008-05-01 11:30           ` Adrian Bunk
2008-04-30 14:20             ` Arjan van de Ven
2008-05-01 12:53               ` Rafael J. Wysocki
2008-05-01 13:21               ` Adrian Bunk
2008-05-01 15:49                 ` Andrew Morton
2008-05-01  1:13                   ` Arjan van de Ven
2008-05-02  9:00                     ` Adrian Bunk
2008-05-01 16:38                   ` Steven Rostedt
2008-05-01 17:18                     ` Andrew Morton
2008-05-01 17:24                   ` Theodore Tso
2008-05-01 19:26                     ` Andrew Morton
2008-05-01 19:39                       ` Steven Rostedt
2008-05-02 10:23                       ` Andi Kleen
2008-05-02  2:08                 ` Paul Mackerras
2008-05-02  3:10                   ` Josh Boyer
2008-05-02  4:09                     ` Paul Mackerras
2008-05-02  8:29                       ` Adrian Bunk
2008-05-02 10:16                         ` Paul Mackerras
2008-05-02 11:58                           ` Adrian Bunk
2008-05-02 14:58                         ` Linus Torvalds
2008-05-02 15:44                           ` Carlos R. Mafra
2008-05-02 16:28                             ` Linus Torvalds
2008-05-02 17:15                               ` Carlos R. Mafra
2008-05-02 18:02                                 ` Pallipadi, Venkatesh
2008-05-09 16:32                                   ` Mark Lord
2008-05-09 19:30                                     ` Carlos R. Mafra
2008-05-09 20:39                                       ` Mark Lord
2008-05-01  0:41         ` David Miller
2008-05-01 13:23           ` Adrian Bunk
2008-04-30 20:59 Slow DOWN, please!!! devzero

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