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authorJonny Svärd <jonny.svaerd@arm.com>2023-11-20 16:41:29 +0100
committerJonny Svärd <jonny.svaerd@arm.com>2023-11-20 17:16:19 +0100
commit5087ba6f9821cae6e5a2843b33368771adfa687d (patch)
tree317db40a74472dd8f767852d656ef5ecda2808e9
parent47e9bd01149a193fd9e69af194d00bfd8d1308a5 (diff)
downloadethos-u-linux-driver-stack-5087ba6f9821cae6e5a2843b33368771adfa687d.tar.gz
Update documentation about UAPI license exception23.11-rc323.11
Add mention of UAPI being licensed with 'WITH Linux-syscall-note' exception to the README Add the Linux-syscall-note.txt license exception file Change-Id: I8f72d03fb87c8c00cbd75642b6407055e48a4021 Signed-off-by: Jonny Svärd <jonny.svaerd@arm.com>
-rw-r--r--Linux-syscall-note.txt24
-rw-r--r--README.md4
2 files changed, 28 insertions, 0 deletions
diff --git a/Linux-syscall-note.txt b/Linux-syscall-note.txt
new file mode 100644
index 0000000..adbe756
--- /dev/null
+++ b/Linux-syscall-note.txt
@@ -0,0 +1,24 @@
+SPDX-Exception-Identifier: Linux-syscall-note
+SPDX-URL: https://spdx.org/licenses/Linux-syscall-note.html
+SPDX-Licenses: GPL-2.0, GPL-2.0+, GPL-1.0+, LGPL-2.0, LGPL-2.0+, LGPL-2.1, LGPL-2.1+, GPL-2.0-only, GPL-2.0-or-later
+Usage-Guide:
+ This exception is used together with one of the above SPDX-Licenses
+ to mark user space API (uapi) header files so they can be included
+ into non GPL compliant user space application code.
+ To use this exception add it with the keyword WITH to one of the
+ identifiers in the SPDX-Licenses tag:
+ SPDX-License-Identifier: <SPDX-License> WITH Linux-syscall-note
+License-Text:
+
+ NOTE! This copyright does *not* cover user programs that use kernel
+ services by normal system calls - this is merely considered normal use
+ of the kernel, and does *not* fall under the heading of "derived work".
+ Also note that the GPL below is copyrighted by the Free Software
+ Foundation, but the instance of code that it refers to (the Linux
+ kernel) is copyrighted by me and others who actually wrote it.
+
+ Also note that the only valid version of the GPL as far as the kernel
+ is concerned is _this_ particular version of the license (ie v2, not
+ v2.2 or v3.x or whatever), unless explicitly otherwise stated.
+
+ Linus Torvalds
diff --git a/README.md b/README.md
index cdab1d4..e84c2f2 100644
--- a/README.md
+++ b/README.md
@@ -326,6 +326,10 @@ components are provided under an Apache 2.0 license.
Please see [LICENSE-APACHE-2.0.txt](LICENSE-APACHE-2.0.txt) and
[LICENSE-GPL-2.0.txt](LICENSE-GPL-2.0.txt) for more information.
+The [Userspace API (UAPI)](kernel/uapi/ethosu.h) has a
+'WITH Linux-syscall-note' exception to the license. Please see
+[Linux-syscall-note](Linux-syscall-note.txt) for more information.
+
# Contributions
The Arm Ethos-U project welcomes contributions under the Apache-2.0 license.