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From: Jeff Garzik <jeff@garzik.org>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: david@lang.hm, Arjan van de Ven <arjan@infradead.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	David Woodhouse <dwmw2@infradead.org>,
	alan@lxorguk.ukuu.org.uk, linux-kernel@vger.kernel.org
Subject: Re: [GIT *] Allow request_firmware() to be satisfied from in-kernel, use it in more drivers.
Date: Tue, 15 Jul 2008 03:57:16 -0400	[thread overview]
Message-ID: <487C585C.2060002@garzik.org> (raw)
In-Reply-To: <alpine.LFD.1.10.0807141903260.3017@woody.linux-foundation.org>

Linus Torvalds wrote:
> On Mon, 14 Jul 2008, david@lang.hm wrote:
>> On Mon, 14 Jul 2008, Linus Torvalds wrote:
>>> That's a totally bogus argument.
>> you misunderstood me. the people pushing request_firmware() are doing so on
>> the basis that they won't have to use kernel ram to hold the firmware. the
>> people pushing for having the option of building the firmware into the module
>> are acknowleding that this may use a little more ram, but they see it as being
>> more reliable.
> 
> I'm just saying that it's a totally bogus argument to claim that it takes 
> less memory - Either way.

Agreed.


> As to reliability, I don't buy that, especially with a generic interface, 
> and with a way to link the thing in-kernel anyway. Using common 
> infrastructure is going to be more reliable.

A more complex, multi-file inter-dependent system is more reliable than 
a single-file driver with built-in firmware, doing the same thing?

Come _on_.

There are good arguments for request_firmware(), but that ain't it.


> The argument for request_firmware() is that it's a good _single_ interface 
> to the whole firmware issue, allowing us to split up the driver from the 
> firmware without every driver having to do some hack of its own.

Agreed.

	Jeff



  parent reply	other threads:[~2008-07-15  7:57 UTC|newest]

Thread overview: 227+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-07-14 23:23 [GIT *] Allow request_firmware() to be satisfied from in-kernel, use it in more drivers David Woodhouse
2008-07-14 23:41 ` Andrew Morton
2008-07-14 23:47   ` David Woodhouse
2008-07-14 23:53     ` Yinghai Lu
2008-07-15  0:23       ` David Woodhouse
2008-07-15  0:31         ` Yinghai Lu
2008-07-15  0:50           ` David Woodhouse
2008-07-15  1:08             ` Yinghai Lu
2008-07-15  7:50             ` Ingo Molnar
2008-07-15  0:50         ` Yinghai Lu
2008-07-15  0:52           ` David Woodhouse
2008-07-15  0:53             ` Yinghai Lu
2008-07-15  1:13           ` David Woodhouse
2008-07-15 20:45     ` Rafael J. Wysocki
2008-07-15 20:49       ` David Woodhouse
2008-07-15 20:57         ` David Woodhouse
2008-07-15 23:45           ` Rafael J. Wysocki
2008-07-16  7:01         ` David Woodhouse
2008-07-16 21:28           ` Rafael J. Wysocki
2008-07-16 22:42             ` David Woodhouse
2008-07-17 20:42               ` Rafael J. Wysocki
2008-07-17 21:25                 ` David Woodhouse
2008-07-17 22:25                   ` Rafael J. Wysocki
2008-07-18  4:15                 ` David Woodhouse
2008-07-14 23:59   ` Arjan van de Ven
2008-07-15  0:06     ` david
2008-07-15  0:33       ` Linus Torvalds
2008-07-15  0:51         ` david
2008-07-15  1:02           ` Linus Torvalds
2008-07-15  1:18             ` david
2008-07-15  2:08               ` Linus Torvalds
2008-07-15  2:47                 ` david
2008-07-15  7:57                 ` Jeff Garzik [this message]
2008-07-15 15:04                   ` Linus Torvalds
2008-07-15 17:01                     ` Jeff Garzik
2008-07-15 17:09                       ` Linus Torvalds
2008-07-15 17:30                         ` Jeff Garzik
2008-07-15 17:41                           ` Linus Torvalds
2008-07-15 17:45                             ` Linus Torvalds
2008-07-15 18:11                               ` Jeff Garzik
2008-07-15 18:21                                 ` Linus Torvalds
2008-07-15 18:33                                   ` Jeff Garzik
2008-07-15 18:20                             ` Jeff Garzik
2008-07-15 18:25                               ` Linus Torvalds
2008-07-15 18:30                                 ` David Woodhouse
2008-07-15 20:00                                   ` Marcel Holtmann
2008-07-15 20:06                                     ` David Woodhouse
2008-07-15 20:30                                       ` Marcel Holtmann
2008-07-15 21:24                                       ` david
2008-07-15 18:44                                 ` Jeff Garzik
2008-07-15 18:53                                   ` Linus Torvalds
2008-07-15 19:09                                     ` Jeff Garzik
2008-07-15 19:18                                       ` Linus Torvalds
2008-07-15 18:58                                   ` Theodore Tso
2008-07-15 19:14                                     ` Jeff Garzik
2008-07-15 19:19                                       ` Linus Torvalds
2008-07-15 19:23                                         ` Linus Torvalds
2008-07-15 21:14                                         ` Jeff Garzik
2008-07-15 21:24                                           ` David Woodhouse
2008-07-15 21:47                                             ` David Miller
2008-07-15 22:42                                               ` David Woodhouse
2008-07-15 22:45                                                 ` David Miller
2008-07-15 23:05                                                 ` Jeff Garzik
2008-07-15 21:24                                           ` Linus Torvalds
2008-07-15 21:39                                             ` Jeff Garzik
2008-07-15 22:12                                               ` David Woodhouse
2008-07-15 22:46                                                 ` Jeff Garzik
2008-07-16  0:55                                                 ` Sven-Haegar Koch
2008-07-16  8:02                                                   ` Gabor Gombas
2008-07-16  4:55                                       ` Rene Herman
2008-07-15 19:27                                     ` David Woodhouse
2008-07-15  1:52           ` David Miller
2008-07-15  2:23             ` Rene Herman
2008-07-15  2:24               ` David Miller
2008-07-15  2:32                 ` Rene Herman
2008-07-15  2:39                 ` Linus Torvalds
2008-07-15  2:45                   ` David Miller
2008-07-15  4:56                     ` Arjan van de Ven
2008-07-15  5:09                       ` David Woodhouse
2008-07-15  5:45                         ` david
2008-07-15  6:03                           ` David Woodhouse
2008-07-15  6:23                             ` Oliver Neukum
2008-07-15 14:40                               ` David Woodhouse
2008-07-15 16:52                                 ` Oliver Neukum
2008-07-15 18:09                                   ` David Woodhouse
2008-07-15  5:32                       ` Rene Herman
2008-07-15  3:06                   ` Rene Herman
2008-07-15 23:33                   ` Alexandre Oliva
2008-07-15  5:15                 ` Benjamin Herrenschmidt
2008-07-15  5:30                   ` David Woodhouse
2008-07-15  1:50         ` David Miller
2008-07-15  2:54           ` David Woodhouse
2008-07-15  5:34             ` david
2008-07-15  0:36       ` David Woodhouse
2008-07-15  0:40         ` Linus Torvalds
2008-07-15  0:44           ` David Woodhouse
2008-07-15  5:05             ` Benjamin Herrenschmidt
2008-07-15  2:12         ` Jeff Garzik
2008-07-15  2:17           ` David Miller
2008-07-15  2:23             ` David Woodhouse
2008-07-15  2:52               ` david
2008-07-15  4:45               ` Willy Tarreau
2008-07-15  1:54     ` Jeff Garzik
2008-07-15  2:13       ` Linus Torvalds
2008-07-15  2:19         ` David Miller
2008-07-15  2:22         ` Jeff Garzik
2008-07-15  2:33           ` Linus Torvalds
2008-07-15  2:40             ` David Miller
2008-07-15  2:51               ` Linus Torvalds
2008-07-15  3:05                 ` Jeff Garzik
2008-07-15  4:58                 ` Willy Tarreau
2008-07-15 14:55                   ` Linus Torvalds
2008-07-15 15:09                     ` david
2008-07-15 16:01                       ` Linus Torvalds
2008-07-15 16:21                         ` David Woodhouse
2008-07-15 17:56                         ` david
2008-07-15 17:35                     ` Willy Tarreau
2008-07-15 17:44                       ` David Woodhouse
2008-07-15  3:15             ` Jeff Garzik
2008-07-15  3:29               ` Linus Torvalds
2008-07-15  5:06                 ` Willy Tarreau
2008-07-15  5:32                   ` David Woodhouse
2008-07-15  5:36                     ` Willy Tarreau
2008-07-15  5:37                     ` david
2008-07-16  0:10                     ` Alexandre Oliva
2008-07-16  0:26                       ` Linus Torvalds
2008-07-15  7:21                 ` Jeff Garzik
2008-07-15  7:36                   ` David Woodhouse
2008-07-15  8:07                     ` Jeff Garzik
2008-07-15 15:10                       ` Linus Torvalds
2008-07-15 16:53                         ` Jeff Garzik
2008-07-15 17:16                         ` Jeff Garzik
2008-07-15 17:25                           ` Linus Torvalds
2008-07-15 17:54                             ` Jeff Garzik
2008-07-15  8:14                     ` Ingo Molnar
2008-07-15  8:24                       ` Ingo Molnar
2008-07-15 12:42                   ` Alan Cox
2008-07-17 21:31                     ` David Miller
2008-07-15  2:48           ` David Woodhouse
2008-07-15  5:12             ` Willy Tarreau
2008-07-15 15:57         ` Frans Pop
2008-07-15 16:04           ` Arjan van de Ven
2008-07-15 16:24             ` Frans Pop
2008-07-15 16:36             ` Frans Pop
2008-07-15 17:33               ` Arjan van de Ven
2008-07-15 17:57                 ` Frans Pop
2008-07-15 16:15           ` Linus Torvalds
2008-07-15 16:33             ` david
2008-07-15 16:41               ` Linus Torvalds
2008-07-15 17:25                 ` Frans Pop
2008-07-15 17:36                 ` David Woodhouse
2008-07-15 19:22                 ` Marcel Holtmann
2008-07-15 16:35             ` Linus Torvalds
2008-07-15 16:48               ` Frans Pop
2008-07-15 17:07                 ` Linus Torvalds
2008-07-15 19:26               ` Marcel Holtmann
2008-07-15 16:37             ` Frans Pop
2008-07-15 18:05           ` Henrique de Moraes Holschuh
2008-07-15 18:14             ` Jeff Garzik
2008-07-15 18:24               ` Linus Torvalds
2008-07-15 18:37                 ` Chris Friesen
2008-07-15 18:55                 ` Jeff Garzik
2008-07-15 19:02                   ` Linus Torvalds
2008-07-15 19:41                     ` david
2008-07-15 19:59                     ` Jeff Garzik
2008-07-15 20:15                       ` Linus Torvalds
2008-07-15 20:55                         ` Jeff Garzik
2008-07-15 23:02                           ` Dave Jones
2008-07-15 23:46                             ` Jeff Garzik
2008-07-16  0:00                               ` Dave Jones
2008-07-16  0:10                           ` Chris Adams
2008-07-16  6:04                             ` Jeff Garzik
2008-07-15 19:07                   ` David Woodhouse
2008-07-15 19:29                 ` Peter T. Breuer
2008-07-15 18:20             ` David Woodhouse
2008-07-15 19:13               ` Frans Pop
2008-07-15 19:39             ` Marcel Holtmann
2008-07-15 19:20           ` Marcel Holtmann
2008-07-15 19:27             ` Linus Torvalds
2008-07-15 19:31               ` Marcel Holtmann
2008-07-15 19:38                 ` Linus Torvalds
2008-07-15 19:44                   ` Marcel Holtmann
2008-07-15 22:19                     ` Adrian Bunk
2008-07-15 19:32               ` Linus Torvalds
2008-07-15 19:36               ` David Woodhouse
2008-07-15 19:49                 ` Linus Torvalds
2008-07-15 19:54                   ` Marcel Holtmann
2008-07-15 20:07                     ` Linus Torvalds
2008-07-15 20:21                       ` Marcel Holtmann
2008-07-15 20:30                         ` Linus Torvalds
2008-07-15 20:33                         ` Jeff Garzik
2008-07-15 21:17                         ` Jeff Garzik
2008-07-15 20:26                       ` Jeff Garzik
2008-07-15 20:47                         ` Willy Tarreau
2008-07-15 21:24                           ` Jeff Garzik
2008-07-16 22:05                         ` Diego Calleja
2008-07-15 21:27                       ` david
2008-07-15 21:40                         ` Jeff Garzik
2008-07-15 21:43                         ` Linus Torvalds
2008-07-15 22:20                           ` Frans Pop
2008-07-15 22:24                           ` david
2008-07-15 22:26                             ` David Woodhouse
2008-07-15 22:50                               ` david
2008-07-15 23:42                             ` Linus Torvalds
2008-07-16  0:22                               ` Frans Pop
2008-07-16  0:28                                 ` Linus Torvalds
2008-07-16  0:43                                   ` Jeff Garzik
2008-07-16  1:11                                     ` Prosaic firmware issues Alexey Dobriyan
2008-07-16  1:45                                       ` Linus Torvalds
2008-07-16  5:54                                         ` David Woodhouse
2008-07-16 14:19                                           ` Alexey Dobriyan
2008-07-16  4:42                                     ` [GIT *] Allow request_firmware() to be satisfied from in-kernel, use it in more drivers Willy Tarreau
2008-09-12 20:59                                       ` Jeff Garzik
2008-09-12 21:43                                         ` Willy Tarreau
2008-07-16  0:51                               ` Theodore Tso
2008-07-16  1:36                                 ` Dave Jones
2008-07-16  2:39                                   ` Theodore Tso
2008-07-16  3:07                                   ` Jeff Garzik
2008-07-16  9:09                                     ` Peter Zijlstra
2008-07-15 19:57                   ` David Woodhouse
2008-07-15 20:10                     ` Marcel Holtmann
2008-07-15 20:17                       ` Linus Torvalds
2008-07-15 20:25                         ` Marcel Holtmann
2008-07-15 23:04                     ` Dave Jones
2008-07-15  1:44   ` David Miller
2008-07-15  9:57     ` Marcel Holtmann
2008-07-15  1:45 ` Jeff Garzik
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     [not found]   ` <aPV6W-3jN-41@gated-at.bofh.it>
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