Suitable for cutting and pasting into explanatory emails.
Signed-off-by: Ben Pfaff <b...@ovn.org>
---
Documentation/faq/contributing.rst | 28 ++++++++++++++++++++++++++++
1 file changed, 28 insertions(+)
diff --git a/Documentation/faq/contributing.rst
b/Documentation/faq/contributing.rst
index d5226f4f7f7b..cfc9cf7b5035 100644
--- a/Documentation/faq/contributing.rst
+++ b/Documentation/faq/contributing.rst
@@ -93,3 +93,31 @@ Q: How do I add support for a new OpenFlow error message?
the file for details. If you need to add an OpenFlow vendor extension
error for a vendor that doesn't yet have any, first add the vendor ID to
the ``<name>_VENDOR_ID`` list in ``include/openflow/openflow-common.h``.
+
+Q: What's a Signed-off-by and how do I provide one?
+
+ A: Free and open source software projects usually require a contributor to
+ provide some assurance that they're entitled to contribute the code that
+ they provide. Some projects, for example, do this with a Contributor
+ License Agreement (CLA) or a copyright assignment that is signed on paper
+ or electronically.
+
+ For this purpose, Open vSwitch has adopted something called the Developer's
+ Certificate of Origin (DCO), which is also used by the Linux kernel and
+ originated there. Informally stated, agreeing to the DCO is the
+ developer's way of attesting that a particular commit that they are
+ contributing is one that they are allowed to contribute. You should visit
+ https://developercertificate.org/ to read the full statement of the DCO,
+ which is less than 200 words long.
+
+ To certify compliance with the Developer's Certificate of Origin for a
+ particular commit, just add the following line to the end of your commit
+ message, properly substituting your name and email address:
+
+ Signed-off-by: Firstname Lastname <em...@example.org>
+
+ Git has special support for adding a Signed-off-by line to a commit
+ message: when you run "git commit", just add the -s option, as in "git
+ commit -s". If you use the "git citool" GUI for commits, you can add a
+ Signed-off-by line to the commit message by pressing Control+S. Other Git
+ user interfaces may provide similar support.
--
2.16.1
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