docs/sphinx: License content with CC-BY-4.0

Creative Commons is a more common license than GPL for documentation purposes.
Switch to using CC-BY-4.0 to explicitly permit re-purposing and remixing of
the content.

Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
Reviewed-by: Lars Kurth <lars.kurth@citrix.com>
Release-acked-by: Juergen Gross <jgross@suse.com>

diff --git a/COPYING b/COPYING
index 310fd52c27f8f23749046bfe0f4852f8e4aa2936..80fac091d318d919f1b22785fdf9c288b1751e1a 100644 (file)
--- a/COPYING
+++ b/COPYING
@@ -47,6 +47,9 @@ various drivers, support functions and header files within Xen-aware
 Linux source trees. In all such cases, license terms are stated at the
 top of the file or in a COPYING file in the same directory.
 
+Sphinx documentation is licensed under CC-BY 4.0.  See
+docs/README.source for more specific information.
+
 In some cases, compatible 3rd party code has been imported into the
 Xen tree, retaining the original license, such as
   - AES-128 3.0

diff --git a/docs/README.source b/docs/README.source
new file mode 100644 (file)
index 0000000..f20fa92
--- /dev/null
+++ b/docs/README.source
@@ -0,0 +1,32 @@
+Sphinx documentation:
+
+All source rendered by Sphinx is licensed under CC-BY-4.0.
+
+You are free to:
+  Share:
+    Copy and redistribute the material in any medium or format.
+  Adapt:
+    Remix, transform, and build upon the material for any purpose, even
+    commercially.
+
+Under the following terms:
+  Attribution:
+    You must give appropriate credit, provide a link to the license, and
+    indicate if changes were made. You may do so in any reasonable manner, but
+    not in any way that suggests the licensor endorses you or your use.
+  No additional restrictions:
+    You may not apply legal terms or technological measures that legally
+    restrict others from doing anything the license permits.
+
+See https://creativecommons.org/licenses/by/4.0/ for full details.
+
+This includes:
+  * All ReStructured Text files:          docs/*/*.rst
+  * The Sphinx configuration file:        docs/conf.py
+  * Content in Sphinx-exclusive subdirs:  docs/*-guide/*
+
+
+Other documentation:
+
+There are a variety of text documents in various formats.  These, given no
+explicit license guidance, fall under Xen's default GPL-2.0 license.

diff --git a/docs/admin-guide/index.rst b/docs/admin-guide/index.rst
index fb5fa363d3e6c353ae4bba8f80dd0e77eea6f33a..54e6f65de347532c900df8ee3434a174c946ea8d 100644 (file)
--- a/docs/admin-guide/index.rst
+++ b/docs/admin-guide/index.rst
@@ -1,3 +1,5 @@
+.. SPDX-License-Identifier: CC-BY-4.0
+
 Admin Guide
 ===========
 

diff --git a/docs/admin-guide/introduction.rst b/docs/admin-guide/introduction.rst
index ea960308ab9ea5a0809e6bad2486f5022bee19b9..6da2758d709993aa2de625cd3346b7b98e810852 100644 (file)
--- a/docs/admin-guide/introduction.rst
+++ b/docs/admin-guide/introduction.rst
@@ -1,3 +1,5 @@
+.. SPDX-License-Identifier: CC-BY-4.0
+
 Introduction
 ============
 

diff --git a/docs/admin-guide/microcode-loading.rst b/docs/admin-guide/microcode-loading.rst
index e27b641df329a061694d8a7fcb7d7e8e9f94f690..e83cadd2c2d61474a09af5a0bcc0c634adb007e6 100644 (file)
--- a/docs/admin-guide/microcode-loading.rst
+++ b/docs/admin-guide/microcode-loading.rst
@@ -1,3 +1,5 @@
+.. SPDX-License-Identifier: CC-BY-4.0
+
 Microcode Loading
 =================
 

diff --git a/docs/conf.py b/docs/conf.py
index 73b7b9bfa2394719db95e5f8c484244defb370fa..50e41501db8f95bd186818c49a8e6538d733012b 100644 (file)
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+# SPDX-License-Identifier: CC-BY-4.0
 #
 # Configuration file for the Sphinx documentation builder.
 #

diff --git a/docs/glossary.rst b/docs/glossary.rst
index b5ea88b6dced63260c3999e78b564db041beb55b..8ddbdab160a14e8e7a59ea5dd3a2a2eceb002639 100644 (file)
--- a/docs/glossary.rst
+++ b/docs/glossary.rst
@@ -1,3 +1,5 @@
+.. SPDX-License-Identifier: CC-BY-4.0
+
 Glossary
 ========
 

diff --git a/docs/guest-guide/index.rst b/docs/guest-guide/index.rst
index 5bf3ecf541e62d57b7d2e8980fde986a69e961f9..5455c67479cf8aab152785dc8128c7a94e6b9885 100644 (file)
--- a/docs/guest-guide/index.rst
+++ b/docs/guest-guide/index.rst
@@ -1,3 +1,5 @@
+.. SPDX-License-Identifier: CC-BY-4.0
+
 Guest documentation
 ===================
 

diff --git a/docs/guest-guide/x86/hypercall-abi.rst b/docs/guest-guide/x86/hypercall-abi.rst
index 9964b3dc0b157b9d3ed70a7ca3e1ff5949a854fd..14c48929d7487ae45ccb70adf2469b6feff28353 100644 (file)
--- a/docs/guest-guide/x86/hypercall-abi.rst
+++ b/docs/guest-guide/x86/hypercall-abi.rst
@@ -1,3 +1,5 @@
+.. SPDX-License-Identifier: CC-BY-4.0
+
 Hypercall ABI
 =============
 

diff --git a/docs/guest-guide/x86/index.rst b/docs/guest-guide/x86/index.rst
index 2241db95442f486b2643cb074d5212429c313bce..502968490d9dc00c074b111c14b301a74c1406bb 100644 (file)
--- a/docs/guest-guide/x86/index.rst
+++ b/docs/guest-guide/x86/index.rst
@@ -1,3 +1,5 @@
+.. SPDX-License-Identifier: CC-BY-4.0
+
 x86
 ===
 

diff --git a/docs/hypervisor-guide/code-coverage.rst b/docs/hypervisor-guide/code-coverage.rst
index d32b128e24cd787ccba485d14d9608923f1293c3..49c4a8ad3bda84aa9f3b8634823552fa67c5af8a 100644 (file)
--- a/docs/hypervisor-guide/code-coverage.rst
+++ b/docs/hypervisor-guide/code-coverage.rst
@@ -1,3 +1,5 @@
+.. SPDX-License-Identifier: CC-BY-4.0
+
 Code Coverage
 =============
 

diff --git a/docs/hypervisor-guide/index.rst b/docs/hypervisor-guide/index.rst
index 29facd03db7968fcf1d4d19bf95e7b3936bd29d9..8ea8fcb1455848a10d1df9272a48e16b29568d89 100644 (file)
--- a/docs/hypervisor-guide/index.rst
+++ b/docs/hypervisor-guide/index.rst
@@ -1,3 +1,5 @@
+.. SPDX-License-Identifier: CC-BY-4.0
+
 Hypervisor documentation
 ========================
 

diff --git a/docs/index.rst b/docs/index.rst
index 8d402e20a97cd9c3d2c5f65cf4d2d20755e750d1..b75487a05d0bbcff059997ae67172959729dca8e 100644 (file)
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -1,3 +1,5 @@
+.. SPDX-License-Identifier: CC-BY-4.0
+
 The Xen Hypervisor documentation
 ================================