Commit ef40203a authored by Jonathan Corbet's avatar Jonathan Corbet
Browse files

Fill out information on patch tags in SubmittingPatches



Add more information about the various patch tags in use, and try to
establish a meaning for Reviewed-by:
Signed-off-by: default avatarJonathan Corbet <corbet@lwn.net>
parent ded4926a
......@@ -328,7 +328,7 @@ now, but you can do this to mark internal company procedures or just
point out some special detail about the sign-off.
13) When to use Acked-by:
13) When to use Acked-by: and Cc:
The Signed-off-by: tag indicates that the signer was involved in the
development of the patch, or that he/she was in the patch's delivery path.
......@@ -349,11 +349,59 @@ Acked-by: does not necessarily indicate acknowledgement of the entire patch.
For example, if a patch affects multiple subsystems and has an Acked-by: from
one subsystem maintainer then this usually indicates acknowledgement of just
the part which affects that maintainer's code. Judgement should be used here.
When in doubt people should refer to the original discussion in the mailing
When in doubt people should refer to the original discussion in the mailing
list archives.
If a person has had the opportunity to comment on a patch, but has not
provided such comments, you may optionally add a "Cc:" tag to the patch.
This is the only tag which might be added without an explicit action by the
person it names. This tag documents that potentially interested parties
have been included in the discussion
14) The canonical patch format
14) Using Test-by: and Reviewed-by:
A Tested-by: tag indicates that the patch has been successfully tested (in
some environment) by the person named. This tag informs maintainers that
some testing has been performed, provides a means to locate testers for
future patches, and ensures credit for the testers.
Reviewed-by:, instead, indicates that the patch has been reviewed and found
acceptable according to the Reviewer's Statement:
Reviewer's statement of oversight
By offering my Reviewed-by: tag, I state that:
(a) I have carried out a technical review of this patch to
evaluate its appropriateness and readiness for inclusion into
the mainline kernel.
(b) Any problems, concerns, or questions relating to the patch
have been communicated back to the submitter. I am satisfied
with the submitter's response to my comments.
(c) While there may be things that could be improved with this
submission, I believe that it is, at this time, (1) a
worthwhile modification to the kernel, and (2) free of known
issues which would argue against its inclusion.
(d) While I have reviewed the patch and believe it to be sound, I
do not (unless explicitly stated elsewhere) make any
warranties or guarantees that it will achieve its stated
purpose or function properly in any given situation.
A Reviewed-by tag is a statement of opinion that the patch is an
appropriate modification of the kernel without any remaining serious
technical issues. Any interested reviewer (who has done the work) can
offer a Reviewed-by tag for a patch. This tag serves to give credit to
reviewers and to inform maintainers of the degree of review which has been
done on the patch. Reviewed-by: tags, when supplied by reviewers known to
understand the subject area and to perform thorough reviews, will normally
increase the liklihood of your patch getting into the kernel.
15) The canonical patch format
The canonical patch subject line is:
......
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