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Diffstat (limited to 'Documentation/process/license-rules.rst')
| -rw-r--r-- | Documentation/process/license-rules.rst | 61 |
1 files changed, 55 insertions, 6 deletions
diff --git a/Documentation/process/license-rules.rst b/Documentation/process/license-rules.rst index 6b09033a8e9e..2ef44ada3f11 100644 --- a/Documentation/process/license-rules.rst +++ b/Documentation/process/license-rules.rst @@ -234,13 +234,13 @@ kernel, can be broken down into: | -2. Not recommended licenses: +2. Deprecated licenses: These licenses should only be used for existing code or for importing code from a different project. These licenses are available from the directory:: - LICENSES/other/ + LICENSES/deprecated/ in the kernel source tree. @@ -250,14 +250,14 @@ kernel, can be broken down into: Examples:: - LICENSES/other/ISC + LICENSES/deprecated/ISC Contains the Internet Systems Consortium license text and the required metatags:: - LICENSES/other/ZLib + LICENSES/deprecated/GPL-1.0 - Contains the ZLIB license text and the required metatags. + Contains the GPL version 1 license text and the required metatags. Metatags: @@ -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 |