linux-kernel - [PATCH v2 1/2] COPYING: create a new file with points to the Kernel license files

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Date:   Fri, 23 Mar 2018 06:51:05 -0300
From:   Mauro Carvalho Chehab <mchehab@...pensource.com>
To:     Jonathan Corbet <corbet@....net>
Cc:     Mauro Carvalho Chehab <mchehab@...pensource.com>,
        LKML <linux-kernel@...r.kernel.org>,
        Linux-doc <linux-doc@...r.kernel.org>,
        Mauro Carvalho Chehab <mchehab@...radead.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Jonas Oberg <jonas@...e.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Philippe Ombredanne <pombredanne@...b.com>,
        Kate Stewart <kstewart@...uxfoundation.org>,
        Matthew Wilcox <willy@...radead.org>
Subject: [PATCH v2 1/2] COPYING: create a new file with points to the Kernel license files

With the addition of SPDX patchset, the contents of COPYING file
is now duplicated at two other files under LICENSE:
	LICENSES/preferred/GPL-2.0
	LICENSES/exceptions/Linux-syscall-note

It is easy to check that the contents of the licence written on
those files are identical with COPYING using:

	$ diff -upr COPYING LICENSES/preferred/GPL-2.0
	$ diff -upr COPYING LICENSES/exceptions/Linux-syscall-note|less

Also, a new file was added, with describes how SPDX should work at
the Kernel source files:
	Documentation/process/license-rules.rst

Instead fo having it copying the contents of two files, and not
even mentioning the third one, replace it by a file whose content
points to the other tree files, preserving the Kernel's license.

Adjust license-rules.rst accordingly.

Please notice that this file preserves the Kernel license as
is, without any changes.

Signed-off-by: Mauro Carvalho Chehab <mchehab@...pensource.com>
---

Version 2:
   - Did some text changes at license-rules.rst, based on Matthew
     Wilcox review.

 COPYING.new                             | 18 ++++++++++++++++++
 Documentation/process/license-rules.rst | 20 +++++++++++---------
 2 files changed, 29 insertions(+), 9 deletions(-)
 create mode 100644 COPYING.new

diff --git a/COPYING.new b/COPYING.new
new file mode 100644
index 000000000000..da4cb28febe6
--- /dev/null
+++ b/COPYING.new
@@ -0,0 +1,18 @@
+The Linux Kernel is provided under:
+
+	SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note
+
+Being under the terms of the GNU General Public License version 2 only,
+according with:
+
+	LICENSES/preferred/GPL-2.0
+
+With an explicit syscall exception, as stated at:
+
+	LICENSES/exceptions/Linux-syscall-note
+
+In addition, other licenses may also apply. Please see:
+
+	Documentation/process/license-rules.rst
+
+for more details.
diff --git a/Documentation/process/license-rules.rst b/Documentation/process/license-rules.rst
index 408f77dc6157..8ea26325fe3f 100644
--- a/Documentation/process/license-rules.rst
+++ b/Documentation/process/license-rules.rst
@@ -4,15 +4,17 @@ Linux kernel licensing rules
 ============================
 
 The Linux Kernel is provided under the terms of the GNU General Public
-License version 2 only (GPL-2.0), as published by the Free Software
-Foundation, and provided in the COPYING file.  This documentation file is
-not meant to replace the COPYING file, but provides a description of how
-each source file should be annotated to make the licensing it is governed
-under clear and unambiguous.
-
-The license in the COPYING file applies to the kernel source as a whole,
-though individual source files can have a different license which is
-required to be compatible with the GPL-2.0::
+License version 2 only (GPL-2.0), as provided in LICENSES/preferred/GPL-2.0,
+with an explicit syscall exception described in
+LICENSES/exceptions/Linux-syscall-note, as described in the COPYING file.
+
+This documentation file provides a description of how each source file
+should be annotated to make its license clear and unambiguous.
+It doesn't replace the Kernel's license.
+
+The license described in the COPYING file applies to the kernel source
+as a whole, though individual source files can have a different license
+which is required to be compatible with the GPL-2.0::
 
     GPL-1.0+  :  GNU General Public License v1.0 or later
     GPL-2.0+  :  GNU General Public License v2.0 or later
-- 
2.14.3