1 files changed, 49 insertions, 16 deletions
diff --git a/Documentation/process/5.Posting.rst b/Documentation/process/5.Posting.rst
index 855a70b80269..22fa925353cf 100644
--- a/Documentation/process/5.Posting.rst
+++ b/Documentation/process/5.Posting.rst
@@ -10,8 +10,7 @@ of conventions and procedures which are used in the posting of patches;
 following them will make life much easier for everybody involved.  This
 document will attempt to cover these expectations in reasonable detail;
 more information can also be found in the files
-:ref:`Documentation/process/submitting-patches.rst <submittingpatches>`,
-:ref:`Documentation/process/submitting-drivers.rst  <submittingdrivers>`
+:ref:`Documentation/process/submitting-patches.rst <submittingpatches>`
 and :ref:`Documentation/process/submit-checklist.rst <submitchecklist>`.
 
 
@@ -192,19 +191,39 @@ change to a revision control system.  It will be followed by:
    option to diff will associate function names with changes, making the
    resulting patch easier for others to read.
 
-You should avoid including changes to irrelevant files (those generated by
-the build process, for example, or editor backup files) in the patch.  The
-file "dontdiff" in the Documentation directory can help in this regard;
-pass it to diff with the "-X" option.
+The tags already briefly mentioned above are used to provide insights how
+the patch came into being. They are described in detail in the
+:ref:`Documentation/process/submitting-patches.rst <submittingpatches>`
+document; what follows here is a brief summary.
 
-The tags mentioned above are used to describe how various developers have
-been associated with the development of this patch.  They are described in
-detail in
-the :ref:`Documentation/process/submitting-patches.rst <submittingpatches>`
-document; what follows here is a brief summary.  Each of these lines has
-the format:
+One tag is used to refer to earlier commits which introduced problems fixed by
+the patch::
 
-::
+	Fixes: 1f2e3d4c5b6a ("The first line of the commit specified by the first 12 characters of its SHA-1 ID")
+
+Another tag is used for linking web pages with additional backgrounds or
+details, for example an earlier discussion which leads to the patch or a
+document with a specification implemented by the patch::
+
+	Link: https://example.com/somewhere.html  optional-other-stuff
+
+Many maintainers when applying a patch also add this tag to link to the
+latest public review posting of the patch; often this is automatically done
+by tools like b4 or a git hook like the one described in
+'Documentation/maintainer/configure-git.rst'.
+
+If the URL points to a public bug report being fixed by the patch, use the
+"Closes:" tag instead::
+
+	Closes: https://example.com/issues/1234  optional-other-stuff
+
+Some bug trackers have the ability to close issues automatically when a
+commit with such a tag is applied. Some bots monitoring mailing lists can
+also track such tags and take certain actions. Private bug trackers and
+invalid URLs are forbidden.
+
+Another kind of tag is used to document who was involved in the development of
+the patch. Each of these uses this format::
 
 	tag: Full Name <email address>  optional-other-stuff
 
@@ -237,13 +256,27 @@ The tags in common use are:
  - Reported-by: names a user who reported a problem which is fixed by this
    patch; this tag is used to give credit to the (often underappreciated)
    people who test our code and let us know when things do not work
-   correctly.
+   correctly. Note, this tag should be followed by a Closes: tag pointing to
+   the report, unless the report is not available on the web. The Link: tag
+   can be used instead of Closes: if the patch fixes a part of the issue(s)
+   being reported.
+
+ - A Suggested-by: tag indicates that the patch idea is suggested by the person
+   named and ensures credit to the person for the idea. This will, hopefully,
+   inspire them to help us again in the future.
 
  - Cc: the named person received a copy of the patch and had the
    opportunity to comment on it.
 
-Be careful in the addition of tags to your patches: only Cc: is appropriate
-for addition without the explicit permission of the person named.
+Be careful in the addition of the aforementioned tags to your patches, as all
+except for Cc:, Reported-by:, and Suggested-by: need explicit permission of the
+person named. For those three implicit permission is sufficient if the person
+contributed to the Linux kernel using that name and email address according
+to the lore archives or the commit history -- and in case of Reported-by:
+and Suggested-by: did the reporting or suggestion in public. Note,
+bugzilla.kernel.org is a public place in this sense, but email addresses
+used there are private; so do not expose them in tags, unless the person
+used them in earlier contributions.
 
 
 Sending the patch