In a recent discussion on the Linux Kernel mailing list, it was asked "which companies are helping develop the kernel?" One response pointed out that that a recent article on lwn.net summarized this information nicely. Others pointed to a paper maintained by Greg KH, who responded:
"Yeah, but my paper didn't really track companies very well. The lwn.net article is the best, and below is my version of who did things in 2.6.23. Note, the lack of a company is not an indicator that they did nothing, just that I could not easily determine someone worked for them. I'll try to send out my 'who are you working for' emails in a week or so to see if I can further categorize the 'unknowns'."
According to Greg's email, organizations that contributed more than 100 changesets to the recently released 2.6.23 kernel included: Red Hat with 827 changesets (11.7%), IBM with 557 changesets (7.9%), the Linux Foundation with 528 changesets (7.5%), Novell with 449 changesets (6.3%), Intel with 242 changesets (3.4%), Oracle with 158 changesets (2.2%), MIPS Technologies with 143 changesets (2%), Nokia with 133 changesets (1.9%), and NetApp with 119 changesets (1.7%). Greg noted that there were a total of 7,075 changesets from 992 developers working for 126 different employers. 843 of the changesets (11.9%) were contributed by individuals reporting no sponsor for their work.
From: Stefan Heinrichsen <gelbemauer@...>
Subject: Which companies are helping developing the kernel
Date: Oct 14, 6:06 pm 2007
Hello,
I posted this question at comp.linux.misc and where told this would be a better place therefore.
I would like to do a internship in the field of the Linux kernel.
Can someone tell me where to find a list of companies (don't matter in which
country) that employ kernel developers?
Stefan
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From: Alistair John Strachan <alistair@...>
Subject: Re: Which companies are helping developing the kernel
Date: Oct 14, 6:28 pm 2007
On Sunday 14 October 2007 23:06:22 Stefan Heinrichsen wrote:
> Hello,
>
> I posted this question at comp.linux.misc and where told this would be a
> better place therefore. I would like to do a internship in the field of the
> Linux kernel.
> Can someone tell me where to find a list of companies (don't matter in
> which country) that employ kernel developers?
I think Greg wrote a paper on this subject, so I've added him to CC in case he
has the link handy.
--
Cheers,
Alistair.
137/1 Warrender Park Road, Edinburgh, UK.
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From: Benoit Boissinot <bboissin@...>
Subject: Re: Which companies are helping developing the kernel
Date: Oct 14, 6:35 pm 2007
On 10/15/07, Alistair John Strachan wrote:
> On Sunday 14 October 2007 23:06:22 Stefan Heinrichsen wrote:
> > Hello,
> >
> > I posted this question at comp.linux.misc and where told this would be a
> > better place therefore. I would like to do a internship in the field of the
> > Linux kernel.
> > Can someone tell me where to find a list of companies (don't matter in
> > which country) that employ kernel developers?
>
perhaps this helps:
http://lwn.net/Articles/247582/
regards,
Benoit
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From: Greg KH <gregkh@...>
Subject: Re: Which companies are helping developing the kernel
Date: Oct 14, 10:59 pm 2007
On Sun, Oct 14, 2007 at 11:28:46PM +0100, Alistair John Strachan wrote:
> On Sunday 14 October 2007 23:06:22 Stefan Heinrichsen wrote:
> > Hello,
> >
> > I posted this question at comp.linux.misc and where told this would be a
> > better place therefore. I would like to do a internship in the field of the
> > Linux kernel.
> > Can someone tell me where to find a list of companies (don't matter in
> > which country) that employ kernel developers?
>
> I think Greg wrote a paper on this subject, so I've added him to CC in case he
> has the link handy.
Yeah, but my paper didn't really track companies very well. The lwn.net
article is the best, and below is my version of who did things in
2.6.23. Note, the lack of a company is not an indicator that they did
nothing, just that I could not easily determine someone worked for them.
I'll try to send out my "who are you working for" emails in a week or so
to see if I can further categorize the "unknowns".
thanks,
greg k-h
-------------------------
Processed 7075 csets from 992 developers
126 employers found
Top changeset contributors by employer
(Unknown) 1116 (15.8%)
(None) 843 (11.9%)
Red Hat 827 (11.7%)
IBM 557 (7.9%)
Linux Foundation 528 (7.5%)
Novell 449 (6.3%)
Intel 242 (3.4%)
Oracle 158 (2.2%)
MIPS Technologies 143 (2.0%)
Nokia 133 (1.9%)
NetApp 119 (1.7%)
NTT 99 (1.4%)
Astaro 97 (1.4%)
MontaVista 90 (1.3%)
(Consultant) 86 (1.2%)
SGI 84 (1.2%)
Qumranet 74 (1.0%)
QLogic 70 (1.0%)
(Academia) 70 (1.0%)
SWsoft 64 (0.9%)
Analog Devices 61 (0.9%)
HP 60 (0.8%)
Sony 59 (0.8%)
rPath 56 (0.8%)
XenSource 53 (0.7%)
CERN 49 (0.7%)
CC Computer Consultants 48 (0.7%)
Freescale 47 (0.7%)
Fujitsu 47 (0.7%)
Tripeaks 46 (0.7%)
linutronix 44 (0.6%)
Snapgear 39 (0.6%)
Simtec 34 (0.5%)
Atmel 28 (0.4%)
Google 28 (0.4%)
Cisco 27 (0.4%)
Toshiba 25 (0.4%)
Broadcom 25 (0.4%)
SteelEye 24 (0.3%)
Renesas Technology 23 (0.3%)
Mellanox 21 (0.3%)
LSI Logic 17 (0.2%)
Adaptec 16 (0.2%)
Wipro 15 (0.2%)
Marvell 14 (0.2%)
Miracle Linux 14 (0.2%)
Solid Boot Ltd. 14 (0.2%)
AMD 12 (0.2%)
Hitachi 11 (0.2%)
ARM 11 (0.2%)
Canonical 10 (0.1%)
XIV Information Systems 9 (0.1%)
OpenedHand 9 (0.1%)
Open Grid Computing 9 (0.1%)
Veritas 8 (0.1%)
Secretlab 7 (0.1%)
Neterion 7 (0.1%)
Katalix Systems 7 (0.1%)
SANPeople 7 (0.1%)
Digi International 7 (0.1%)
Znyx Networks 6 (0.1%)
Wind River 6 (0.1%)
NEC 6 (0.1%)
Wolfson Microelectronics 6 (0.1%)
SUNY Computer Science 6 (0.1%)
NetXen 6 (0.1%)
NVidia 6 (0.1%)
Myricom 6 (0.1%)
Chelsio 5 (0.1%)
Realtek 5 (0.1%)
IPUnity-Glenayre 5 (0.1%)
Linux Networx 5 (0.1%)
Barco 4 (0.1%)
SIOS Technology 4 (0.1%)
MIPS 4 (0.1%)
University of Aberdeen 4 (0.1%)
PiKRON s.r.o 4 (0.1%)
Pardus 4 (0.1%)
Crash Barrier 4 (0.1%)
Tresys 4 (0.1%)
ClusterFS 4 (0.1%)
Macq Electronique 3 (0.0%)
OLPC 3 (0.0%)
CompuLab 3 (0.0%)
DENX Software Engineering 3 (0.0%)
Embedded Alley Solutions 3 (0.0%)
Twin Sun 3 (0.0%)
Transmode Systems 3 (0.0%)
Cosmosbay~Vectis 3 (0.0%)
Pengutronix 2 (0.0%)
Sierra Wireless 2 (0.0%)
Real-Time Remedies 2 (0.0%)
Bull 2 (0.0%)
ScaleMP Inc. 2 (0.0%)
Samsung 2 (0.0%)
MicroGate Systems 2 (0.0%)
Atomide 2 (0.0%)
US National Security Agency 2 (0.0%)
VMWare 2 (0.0%)
Verismo 2 (0.0%)
Akamai Technologies 2 (0.0%)
CE Linux Forum 2 (0.0%)
Siemens 1 (0.0%)
ONELAN 1 (0.0%)
Xorcom 1 (0.0%)
EXOSEC 1 (0.0%)
LWN.net 1 (0.0%)
Texas Instruments 1 (0.0%)
Promise Technology 1 (0.0%)
VA Linux Systems Japan 1 (0.0%)
University of Sevilla 1 (0.0%)
Motorola 1 (0.0%)
HES-SO Valais Wallis 1 (0.0%)
SYSGO 1 (0.0%)
Via 1 (0.0%)
Telecom-Service 1 (0.0%)
Hauppauge 1 (0.0%)
DSA 1 (0.0%)
Vivecode 1 (0.0%)
Mandriva 1 (0.0%)
ATRON electronic 1 (0.0%)
Cytronics & Melware 1 (0.0%)
M&N Solutions 1 (0.0%)
Rockwell 1 (0.0%)
8D Technologies 1 (0.0%)
University of Cambridge 1 (0.0%)
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Where is Microsoft :-) ?
Where is Microsoft :-) ?
Probably hiding under the
Probably hiding under the (None) or (Unknown) rock.
AMD vs Intel
I am surprised at how low down the list AMD and ARM are compared with Intel and MIPS. It would be interesting to to see amalgamated data from the last year or so to know if that is normal.
As a Nokia employee, I am proud, but a little surprised that Nokia are so high up the list.
Nokia
The Nokia 770 has a 2.6 kernel
So many changes.
It seems more code changes being done compared to Windows kernels?
I guess Windows kernels don't change or improve that much.
Of course, I feel there are still many areas in the linux kernel that needs improvement / analysis coverage.
I guess Windows kernels
They only change the kernel when the MAFIAA requires Microsoft to implement new restriction schemes. That's pretty much the only change in Windows Vista.
linux kernel
i am not happy that all those companies are helping the develop of linux kernel, we don't need of them, they are as mafia and have not any interest to distribute laptops with GNU/linux, so has not sense to work to the develop, but not distribute pc's with GNU/linux, i and few others guys in Italy are working too much, until we could obtain the refund of windows, but there are too others companies that have not any respect for the job of others, they token GNU/linux and mounted on routers without distribute the source code and this is the case of MonVista, that developped a clone of GNU/linux and mounted on request of D-link on the routers: look please
http://gpl-violations.org/news/20060922-dlink-judgement_frankfurt.html
http://gpl-violations.org/news/20061110-dlink-judgement_frankfurt_en.html
then there is the texas instruments, the tom tom
http://gpl-violations.org/news/20041024-linux-tomtom.html
the same ibm ......