From: Andrea Arcangeli <andrea@suse.de>
To: Esben Nielsen <simlo@phys.au.dk>
Cc: Ingo Molnar <mingo@elte.hu>,
Paulo Marques <pmarques@grupopie.com>,
"Paul E. McKenney" <paulmck@us.ibm.com>,
James Bruce <bruce@andrew.cmu.edu>,
Nick Piggin <nickpiggin@yahoo.com.au>,
"Bill Huey (hui)" <bhuey@lnxw.com>, Andi Kleen <ak@muc.de>,
Sven-Thorsten Dietrich <sdietrich@mvista.com>,
dwalker@mvista.com, hch@infradead.org, akpm@osdl.org,
linux-kernel@vger.kernel.org
Subject: Re: RT patch acceptance
Date: Wed, 1 Jun 2005 17:05:27 +0200 [thread overview]
Message-ID: <20050601150527.GL5413@g5.random> (raw)
In-Reply-To: <Pine.OSF.4.05.10506011640360.1707-100000@da410.phys.au.dk>
On Wed, Jun 01, 2005 at 04:45:57PM +0200, Esben Nielsen wrote:
> the implementation of the former spinlock, now a mutex, is using a
> raw_spin_lock, which disables interrupts.
It's not _raw_spin_lock that disables irq. It's spin_lock_irq that does
that and it has been redefinined into an operation that doesn't disable
irq.
The patent text goes like this "providing a software emulator to disable
and enable interrupts from the general purpose operating system;
marking interrupts as "soft disabled" and not "soft enabled" in response
to requests from the general purpose operating system to disable
interrupts; ".
I'm not a lawyer and I hope to be wrong, but I sure wouldn't bet the
farm on it. You should ask a lawyer to make sure that non-GPL code is
not infringing IMHO. This assuming that this could be a problem. It was
a problem for RTAI users, people is used to the fact userland doesn't
need to be GPL. Note that LGPL and BSD code will infringe too (i.e. no
glibc etc..).
next prev parent reply other threads:[~2005-06-01 15:09 UTC|newest]
Thread overview: 345+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-05-23 23:14 RT patch acceptance Daniel Walker
2005-05-24 2:01 ` john cooper
2005-05-24 5:47 ` Christoph Hellwig
2005-05-24 6:45 ` Ingo Molnar
2005-05-24 8:03 ` Nick Piggin
2005-05-24 8:15 ` Ingo Molnar
2005-05-24 8:27 ` Nick Piggin
2005-05-24 9:02 ` Ingo Molnar
2005-05-24 9:14 ` Nick Piggin
2005-05-24 10:13 ` Ingo Molnar
2005-05-24 18:05 ` Daniel Walker
2005-05-24 22:41 ` Bill Huey
2005-05-24 23:44 ` Daniel Walker
2005-05-25 0:10 ` Bill Huey
2005-05-25 0:32 ` K.R. Foley
2005-05-25 0:45 ` Lee Revell
2005-05-25 1:32 ` K.R. Foley
2005-05-25 0:45 ` Daniel Walker
2005-05-25 0:59 ` Bill Huey
2005-05-25 1:02 ` Daniel Walker
2005-05-25 1:43 ` Andrew Morton
2005-05-25 2:02 ` Sven Dietrich
2005-05-25 2:20 ` Andrew Morton
2005-05-25 2:26 ` Lee Revell
2005-05-25 3:24 ` Nick Piggin
2005-05-25 3:36 ` Sven Dietrich
2005-05-25 5:05 ` Nick Piggin
2005-05-25 6:09 ` RT patch acceptance (scheduler) Bill Huey
2005-05-25 7:00 ` Nick Piggin
2005-05-25 9:27 ` Bill Huey
2005-05-25 14:50 ` Nick Piggin
2005-05-25 15:12 ` RT patch acceptance (scheduler) --- QUESTION Brian O'Mahoney
2005-05-25 15:36 ` Steven Rostedt
2005-05-25 6:05 ` RT patch acceptance Ingo Molnar
2005-05-25 18:50 ` Lee Revell
2005-05-25 3:26 ` Gene Heskett
2005-05-25 5:17 ` Nick Piggin
2005-05-25 13:20 ` Gene Heskett
2005-05-25 6:33 ` Ingo Molnar
2005-05-25 7:18 ` Nick Piggin
2005-05-25 7:46 ` Ingo Molnar
2005-05-25 10:51 ` Con Kolivas
2005-05-25 8:29 ` Giuseppe Bilotta
2005-05-25 13:23 ` Gene Heskett
2005-05-25 17:17 ` Andi Kleen
2005-05-25 17:52 ` Steven Rostedt
2005-05-25 18:00 ` Sven-Thorsten Dietrich
2005-05-26 19:32 ` Andi Kleen
2005-05-26 20:11 ` Sven-Thorsten Dietrich
2005-05-26 20:27 ` Andi Kleen
2005-05-26 20:46 ` Sven-Thorsten Dietrich
2005-05-26 23:57 ` john cooper
2005-05-26 21:28 ` Bill Huey
2005-05-26 23:44 ` john cooper
2005-05-27 5:19 ` Nick Piggin
2005-05-27 5:24 ` Nick Piggin
2005-05-27 7:18 ` Ingo Molnar
2005-05-27 8:07 ` Nick Piggin
2005-05-27 15:56 ` K.R. Foley
2005-05-28 3:59 ` Lee Revell
2005-05-27 7:20 ` Sven-Thorsten Dietrich
2005-05-27 8:17 ` Nick Piggin
2005-05-27 10:17 ` Thomas Gleixner
2005-05-27 17:46 ` Karim Yaghmour
2005-05-27 12:08 ` Bill Huey
2005-05-27 12:10 ` Ingo Molnar
2005-05-27 20:36 ` Bill Huey
2005-05-27 12:43 ` Nick Piggin
2005-05-27 23:36 ` Bill Huey
2005-05-28 3:53 ` Nick Piggin
2005-05-28 4:27 ` Lee Revell
2005-05-28 4:43 ` Nick Piggin
2005-05-28 5:53 ` Bill Huey
2005-05-28 5:45 ` Bill Huey
2005-05-28 6:49 ` Nick Piggin
2005-05-29 11:37 ` James Bruce
2005-05-29 12:23 ` Brian O'Mahoney
2005-05-30 9:37 ` Nick Piggin
2005-05-30 13:43 ` James Bruce
2005-05-30 14:21 ` Nick Piggin
2005-05-30 22:27 ` Bill Huey
2005-05-30 22:54 ` Karim Yaghmour
2005-05-30 23:05 ` Bill Huey
2005-05-30 23:29 ` Karim Yaghmour
2005-05-31 1:21 ` Nick Piggin
2005-05-31 2:09 ` Bill Huey
2005-05-31 9:12 ` James Bruce
2005-05-31 9:33 ` Nick Piggin
2005-05-31 10:23 ` Bill Huey
2005-05-31 10:48 ` James Bruce
2005-05-31 11:06 ` Nick Piggin
2005-05-31 11:14 ` Andi Kleen
2005-05-31 11:31 ` Hari N
2005-05-31 16:59 ` James Bruce
2005-05-31 12:09 ` Esben Nielsen
2005-05-31 16:18 ` Steven Rostedt
2005-05-31 16:42 ` Esben Nielsen
2005-05-31 17:11 ` Andrea Arcangeli
2005-05-31 17:42 ` Steven Rostedt
2005-05-31 17:51 ` Andrea Arcangeli
2005-05-31 18:29 ` Steven Rostedt
2005-05-31 20:54 ` Andrea Arcangeli
2005-05-31 21:22 ` Steven Rostedt
2005-05-31 21:47 ` Lee Revell
2005-05-31 22:24 ` Andrea Arcangeli
2005-05-31 23:41 ` Steven Rostedt
2005-06-01 0:50 ` Zan Lynx
2005-06-01 2:38 ` Zwane Mwaikambo
2005-05-31 22:15 ` Andrea Arcangeli
2005-05-31 22:33 ` NZG
2005-05-31 23:14 ` Bill Huey
2005-05-31 21:33 ` Bill Huey
2005-05-31 23:59 ` Steven Rostedt
2005-06-01 0:57 ` Brian O'Mahoney
2005-06-01 6:23 ` John Alvord
2005-06-01 11:41 ` Steven Rostedt
2005-06-01 0:26 ` Peter Chubb
2005-06-01 8:17 ` Esben Nielsen
2005-05-31 14:30 ` Andrea Arcangeli
2005-05-31 15:07 ` Esben Nielsen
2005-05-31 16:11 ` Andrea Arcangeli
2005-05-31 18:36 ` Paul E. McKenney
2005-05-31 20:45 ` Andrea Arcangeli
2005-06-01 1:14 ` Karim Yaghmour
2005-06-01 1:30 ` Steven Rostedt
2005-06-01 1:50 ` Karim Yaghmour
2005-06-01 2:42 ` Paul E. McKenney
2005-06-01 12:18 ` Paulo Marques
2005-06-01 13:51 ` Andrea Arcangeli
2005-06-01 14:19 ` Ingo Molnar
2005-06-01 14:32 ` Andrea Arcangeli
2005-06-01 14:39 ` Daniel Walker
2005-06-01 14:45 ` Ingo Molnar
2005-06-01 14:57 ` Andrea Arcangeli
2005-06-01 14:45 ` Esben Nielsen
2005-06-01 15:05 ` Andrea Arcangeli [this message]
2005-06-01 15:15 ` Esben Nielsen
2005-06-01 15:32 ` Andrea Arcangeli
2005-06-01 17:30 ` pi_test predicted results Daniel Walker
2005-06-01 17:58 ` Esben Nielsen
2005-06-01 15:33 ` RT patch acceptance Karim Yaghmour
2005-06-01 15:38 ` Andrea Arcangeli
2005-06-01 17:53 ` Thomas Gleixner
2005-06-01 19:22 ` Andrea Arcangeli
2005-06-01 19:34 ` Esben Nielsen
2005-06-01 19:59 ` Andrea Arcangeli
2005-06-01 20:17 ` Bill Huey
2005-06-01 20:32 ` Andrea Arcangeli
2005-06-01 20:46 ` Bill Huey
2005-06-01 21:07 ` Andrea Arcangeli
2005-06-01 21:29 ` Nicolas Pitre
2005-06-01 21:39 ` Andrea Arcangeli
2005-06-01 22:29 ` Nicolas Pitre
2005-06-01 23:44 ` Zwane Mwaikambo
2005-06-01 21:42 ` Bill Huey
2005-06-01 21:59 ` Bill Huey
2005-06-01 22:32 ` Andrea Arcangeli
2005-06-01 23:02 ` Bill Huey
2005-06-01 23:19 ` Bill Huey
2005-06-02 8:50 ` Esben Nielsen
2005-06-01 23:59 ` Bill Huey
2005-06-02 0:03 ` Bill Huey
2005-06-01 19:39 ` Ingo Molnar
2005-06-01 20:44 ` Andrea Arcangeli
2005-06-01 20:56 ` Thomas Gleixner
2005-06-01 21:09 ` Andrea Arcangeli
2005-06-01 14:46 ` Andrea Arcangeli
2005-06-01 14:56 ` Chris Friesen
2005-06-01 14:58 ` Paulo Marques
2005-06-01 15:17 ` Andrea Arcangeli
2005-06-01 15:33 ` john cooper
2005-06-01 15:43 ` Andrea Arcangeli
2005-06-01 15:19 ` Karim Yaghmour
2005-06-01 14:59 ` Esben Nielsen
2005-06-01 15:47 ` NZG
2005-06-01 15:58 ` Andrea Arcangeli
2005-06-01 17:20 ` Bill Davidsen
2005-06-01 18:19 ` Esben Nielsen
2005-06-01 15:09 ` Karim Yaghmour
2005-05-31 9:14 ` Esben Nielsen
2005-05-30 23:32 ` James Bruce
2005-05-31 1:22 ` Nick Piggin
2005-05-31 2:06 ` Lee Revell
2005-05-31 2:26 ` Lee Revell
2005-05-31 7:34 ` James Bruce
2005-05-31 19:10 ` Elladan
2005-05-30 22:10 ` Bill Huey
2005-05-30 17:53 ` Karim Yaghmour
2005-05-30 19:24 ` Esben Nielsen
2005-05-30 19:44 ` Karim Yaghmour
2005-05-30 21:44 ` Rich Walker
2005-05-30 22:45 ` Bill Huey
2005-05-30 23:03 ` Karim Yaghmour
2005-05-30 23:12 ` Bill Huey
2005-05-30 23:31 ` Karim Yaghmour
2005-05-31 0:00 ` Karim Yaghmour
2005-05-30 11:25 ` Nick Piggin
2005-05-29 1:55 ` Zwane Mwaikambo
2005-05-29 2:48 ` Lee Revell
2005-05-29 2:58 ` Zwane Mwaikambo
2005-05-29 4:08 ` Valdis.Kletnieks
2005-05-29 15:00 ` Zwane Mwaikambo
2005-05-29 17:50 ` Valdis.Kletnieks
2005-05-29 19:52 ` Zwane Mwaikambo
2005-05-29 21:16 ` Valdis.Kletnieks
2005-05-30 13:01 ` Bill Huey
2005-05-31 14:30 ` Zwane Mwaikambo
2005-05-28 6:55 ` Christoph Hellwig
2005-05-28 10:22 ` Bill Huey
2005-05-28 10:24 ` Christoph Hellwig
2005-05-28 10:36 ` Bill Huey
2005-05-28 10:34 ` Bill Huey
2005-05-28 10:50 ` Bill Huey
2005-05-28 10:48 ` Christoph Hellwig
2005-05-28 11:01 ` Bill Huey
2005-05-28 11:32 ` Bill Huey
2005-05-27 9:03 ` Thomas Gleixner
2005-05-27 9:14 ` Ingo Molnar
2005-05-27 9:22 ` Thomas Gleixner
2005-06-14 0:48 ` Daniel Walker
2005-06-14 3:29 ` Valdis.Kletnieks
2005-06-14 3:38 ` Daniel Walker
2005-05-26 20:38 ` john cooper
2005-05-26 21:00 ` Sven-Thorsten Dietrich
2005-05-26 21:23 ` john cooper
2005-05-26 20:52 ` Bill Huey
2005-05-26 21:09 ` Sven-Thorsten Dietrich
2005-05-26 21:14 ` Sven-Thorsten Dietrich
[not found] ` <20050526200424.GA27162@elte.hu>
[not found] ` <20050527123529.GD86087@muc.de>
2005-05-27 12:48 ` Ingo Molnar
2005-05-27 12:56 ` Andi Kleen
2005-05-27 13:13 ` Ingo Molnar
2005-05-27 13:31 ` Andi Kleen
2005-05-27 13:44 ` Ingo Molnar
2005-05-27 13:50 ` Ingo Molnar
2005-05-27 13:53 ` Ingo Molnar
2005-05-28 19:55 ` Andi Kleen
2005-05-28 20:57 ` Lee Revell
2005-05-27 13:56 ` Takashi Iwai
2005-05-27 14:27 ` Duncan Sands
2005-05-27 16:35 ` Andrea Arcangeli
2005-05-30 9:53 ` Andi Kleen
2005-05-30 10:33 ` Ingo Molnar
2005-05-30 10:56 ` Andi Kleen
2005-05-30 12:10 ` what is the -RT tree Ingo Molnar
2005-05-30 12:40 ` Andi Kleen
2005-05-30 13:30 ` Bill Huey
2005-05-31 16:18 ` Sven-Thorsten Dietrich
2005-05-30 11:15 ` RT patch acceptance Thomas Gleixner
2005-05-27 13:34 ` Ingo Molnar
2005-05-25 3:48 ` john cooper
2005-05-25 11:35 ` Esben Nielsen
2005-05-25 13:14 ` john cooper
2005-05-25 6:09 ` Ingo Molnar
2005-05-25 1:05 ` Bill Huey
2005-05-25 2:37 ` Karim Yaghmour
2005-05-25 2:36 ` Sven Dietrich
2005-05-25 2:56 ` Karim Yaghmour
2005-05-25 3:05 ` Chris Friesen
2005-05-25 19:24 ` Tim Bird
2005-05-25 2:38 ` Lee Revell
2005-05-25 2:58 ` Karim Yaghmour
2005-05-25 2:51 ` Sven Dietrich
2005-05-25 6:15 ` Bill Huey
2005-05-25 13:25 ` Karim Yaghmour
2005-05-25 8:16 ` Ingo Molnar
2005-05-25 13:27 ` Karim Yaghmour
2005-05-25 17:32 ` Sven-Thorsten Dietrich
2005-05-25 18:16 ` Chris Friesen
2005-05-27 2:29 ` Steven Rostedt
2005-05-25 16:01 ` Jonathan Corbet
2005-05-24 11:22 ` K.R. Foley
2005-05-24 15:21 ` Nick Piggin
2005-05-24 15:41 ` K.R. Foley
2005-05-24 17:31 ` Daniel Walker
2005-05-24 15:56 ` Ingo Molnar
2005-05-24 23:21 ` Bill Huey
2005-05-24 15:44 ` Daniel Walker
2005-05-24 15:47 ` Ingo Molnar
2005-05-24 16:27 ` john cooper
2005-05-24 18:01 ` Daniel Walker
2005-05-24 9:38 ` Esben Nielsen
2005-05-24 13:29 ` Karim Yaghmour
2005-05-24 13:58 ` Esben Nielsen
2005-05-24 14:42 ` Karim Yaghmour
2005-05-24 15:23 ` Ingo Molnar
2005-05-24 16:17 ` Karim Yaghmour
2005-05-24 21:23 ` Sven Dietrich
2005-05-24 22:31 ` Karim Yaghmour
2005-05-24 22:54 ` Sven Dietrich
2005-05-24 23:41 ` Lee Revell
[not found] ` <1116979434.2912.63.camel@mindpipe>
2005-05-25 0:48 ` Karim Yaghmour
2005-05-24 23:46 ` Lee Revell
2005-05-25 3:38 ` Gene Heskett
2005-05-24 23:49 ` Bill Huey
2005-05-25 14:26 ` Philippe Gerum
2005-05-24 14:47 ` Gene Heskett
2005-05-24 17:22 ` Philippe Gerum
2005-05-25 0:21 ` Lee Revell
2005-05-25 2:04 ` Sven Dietrich
2005-05-25 20:58 ` Tom Vier
2005-05-25 21:05 ` Esben Nielsen
2005-05-25 21:10 ` NZG
2005-05-25 21:25 ` Tom Vier
2005-05-25 21:43 ` Esben Nielsen
2005-05-25 21:45 ` Bill Huey
2005-05-25 21:43 ` Bill Huey
-- strict thread matches above, loose matches on Subject: below --
2005-05-25 6:55 kus Kusche Klaus
2005-05-25 7:06 ` Nick Piggin
2005-05-25 7:58 kus Kusche Klaus
2005-06-01 17:56 ` Paul G. Allen
2005-05-25 18:10 YhLu
2005-05-25 18:51 ` Andi Kleen
2005-05-30 8:25 kus Kusche Klaus
2005-05-30 9:49 ` Nick Piggin
2005-05-30 10:16 kus Kusche Klaus
2005-05-30 10:43 ` Nick Piggin
2005-05-30 11:34 ` Esben Nielsen
2005-05-30 11:58 ` Nick Piggin
2005-05-30 18:26 ` Steven Rostedt
2005-05-30 18:37 ` Esben Nielsen
2005-05-30 18:56 ` Karim Yaghmour
2005-05-30 18:58 ` Karim Yaghmour
2005-05-30 19:33 ` Esben Nielsen
2005-05-30 19:46 ` Karim Yaghmour
2005-05-30 20:00 ` Karim Yaghmour
2005-05-31 8:53 ` Esben Nielsen
2005-05-31 22:01 ` Bill Huey
2005-06-01 0:38 ` Karim Yaghmour
2005-05-30 22:34 ` Bill Huey
2005-05-30 22:49 ` Karim Yaghmour
2005-05-30 22:49 ` Bill Huey
2005-05-30 23:15 ` Karim Yaghmour
2005-05-31 0:07 ` Thomas Gleixner
2005-05-31 16:29 ` Steven Rostedt
2005-05-31 19:52 ` Lee Revell
2005-05-31 20:16 ` Steven Rostedt
2005-05-31 21:36 ` Bill Huey
2005-05-31 19:55 ` Lee Revell
2005-05-31 20:01 ` Andi Kleen
2005-05-31 20:10 ` Lee Revell
2005-05-31 20:14 ` David Lang
2005-06-01 2:06 ` Andrea Arcangeli
2005-06-01 2:13 ` David Lang
2005-05-30 16:33 ` Zwane Mwaikambo
2005-05-31 4:39 Saksena, Manas
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