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Message-ID: <180269da-a7a3-97be-4e8e-c8b82e33d430@gmail.com>
Date: Mon, 3 Apr 2023 11:21:39 +0200
From: Daniel Diaz <didou.diaz@...il.com>
To: linux-kernel@...r.kernel.org
Subject: Possible dual license for rbtree ?
Dear Linux maintainers,
This is a question about a possible dual license for the rbtree
implementation (lib/rbtree.c).
Please apologize if it is not the right place to ask.
Thank you for personally CC me in the answers/comments posted to the
list in response to this post.
Looking for an efficient red-black tree implementation in C, I
discovered the wonderful rbtree utility. I really appreciate the clever
approach of this « invasive » implementation on the top of which one can
build his specific maps. I saw this rbtree implementation is famous and
widely mentioned but its usage is limited by its GPL license.
Could you consider extending this license by a dual license as allowed
by docs.kernel.org/process/license-rules.html which states the some
individual files can be provided under a dual license including MIT,
BSD, etc.
Would then it be possible to release rbtree under a dual license more
permissive, e.g. MIT ?
Be sure this would be very appreciated by a lot of C programmers !
This comes down to modyfy the SPDX descriptions of lib/rbtree.c and
include/rbtree.h, include/rbtree_augmented.h, include/rbtree_types.h as
follows:
SPDX-License-Identifier: GPL-2.0-or-later OR MIT
Thank you for your attention.
Daniel
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