diff --git a/Documentation/process/license-rules.rst b/Documentation/process/license-rules.rst
index ade495fe6811..507b695fa9da 100644
--- a/Documentation/process/license-rules.rst
+++ b/Documentation/process/license-rules.rst
@@ -281,7 +281,56 @@ kernel, can be broken down into:
 
 |
 
-3. _`Exceptions`:
+3. Dual Licensing Only
+
+   These licenses should only be used to dual license code with another
+   license in addition to a preferred license.  These licenses are available
+   from the directory::
+
+      LICENSES/dual/
+
+   in the kernel source tree.
+
+   The files in this directory contain the full license text and
+   `Metatags`_.  The file names are identical to the SPDX license
+   identifier which shall be used for the license in source files.
+
+   Examples::
+
+      LICENSES/dual/MPL-1.1
+
+   Contains the Mozilla Public License version 1.1 license text and the
+   required metatags::
+
+      LICENSES/dual/Apache-2.0
+
+   Contains the Apache License version 2.0 license text and the required
+   metatags.
+
+   Metatags:
+
+   The metatag requirements for 'other' licenses are identical to the
+   requirements of the `Preferred licenses`_.
+
+   File format example::
+
+      Valid-License-Identifier: MPL-1.1
+      SPDX-URL: https://spdx.org/licenses/MPL-1.1.html
+      Usage-Guide:
+        Do NOT use. The MPL-1.1 is not GPL2 compatible. It may only be used for
+        dual-licensed files where the other license is GPL2 compatible.
+        If you end up using this it MUST be used together with a GPL2 compatible
+        license using "OR".
+        To use the Mozilla Public License version 1.1 put the following SPDX
+        tag/value pair into a comment according to the placement guidelines in
+        the licensing rules documentation:
+      SPDX-License-Identifier: MPL-1.1
+      License-Text:
+        Full license text
+
+|
+
+4. _`Exceptions`:
 
    Some licenses can be amended with exceptions which grant certain rights
    which the original license does not.  These exceptions are available
diff --git a/LICENSES/other/Apache-2.0 b/LICENSES/dual/Apache-2.0
similarity index 97%
rename from LICENSES/other/Apache-2.0
rename to LICENSES/dual/Apache-2.0
index 7cd903f573e5..6e89ddeab187 100644
--- a/LICENSES/other/Apache-2.0
+++ b/LICENSES/dual/Apache-2.0
@@ -1,6 +1,10 @@
 Valid-License-Identifier: Apache-2.0
 SPDX-URL: https://spdx.org/licenses/Apache-2.0.html
 Usage-Guide:
+  Do NOT use. The Apache-2.0 is not GPL2 compatible. It may only be used
+  for dual-licensed files where the other license is GPL2 compatible.
+  If you end up using this it MUST be used together with a GPL2 compatible
+  license using "OR".
   To use the Apache License version 2.0 put the following SPDX tag/value
   pair into a comment according to the placement guidelines in the
   licensing rules documentation:
diff --git a/LICENSES/other/CDDL-1.0 b/LICENSES/dual/CDDL-1.0
similarity index 99%
rename from LICENSES/other/CDDL-1.0
rename to LICENSES/dual/CDDL-1.0
index 25f614276ddd..b0ca1016db79 100644
--- a/LICENSES/other/CDDL-1.0
+++ b/LICENSES/dual/CDDL-1.0
@@ -1,8 +1,8 @@
 Valid-License-Identifier: CDDL-1.0
 SPDX-URL: https://spdx.org/licenses/CDDL-1.0.html
 Usage-Guide:
-  Do NOT use. The CDDL-1.0 is not GPL compatible. It may only be used for
-  dual-licensed files where the other license is GPL compatible.
+  Do NOT use. The CDDL-1.0 is not GPL2 compatible. It may only be used for
+  dual-licensed files where the other license is GPL2 compatible.
   If you end up using this it MUST be used together with a GPL2 compatible
   license using "OR".
   To use the Common Development and Distribution License 1.0 put the
diff --git a/LICENSES/other/MPL-1.1 b/LICENSES/dual/MPL-1.1
similarity index 99%
rename from LICENSES/other/MPL-1.1
rename to LICENSES/dual/MPL-1.1
index 568b6049efe6..61706859e1b2 100644
--- a/LICENSES/other/MPL-1.1
+++ b/LICENSES/dual/MPL-1.1
@@ -1,6 +1,10 @@
 Valid-License-Identifier: MPL-1.1
 SPDX-URL: https://spdx.org/licenses/MPL-1.1.html
 Usage-Guide:
+  Do NOT use. The MPL-1.1 is not GPL2 compatible. It may only be used for
+  dual-licensed files where the other license is GPL2 compatible.
+  If you end up using this it MUST be used together with a GPL2 compatible
+  license using "OR".
   To use the Mozilla Public License version 1.1 put the following SPDX
   tag/value pair into a comment according to the placement guidelines in
   the licensing rules documentation: