Re: Patch tags [was writeout stalls in current -git]

From: Adrian Bunk
Date: Tue Nov 06 2007 - 18:27:26 EST


On Tue, Nov 06, 2007 at 09:25:12AM -0700, Jonathan Corbet wrote:
> Andrew wrote:
>
> > > Reviewed-by: Fengguang Wu <wfg@xxxxxxxxxxxxxxxx>
> >
> > I would prefer Tested-by: :(
>
> This seems like as good an opportunity as any to toss my patch tags
> document out there one more time. I still think it's a good idea to
> codify some sort of consensus on what these tags mean...

What's missing is a definition which of them are formal tags that must
be explicitely given (look at point 13 in SubmittingPatches).

Signed-off-by: and Reviewed-by: are the formal tags someone must have
explicitely given and that correspond to some statement.

OTOH, I can translate a "sounds fine" or "works for me" someone else
gave me into an Acked-by: resp. Tested-by: tag.

> jon
>...
> --- /dev/null
> +++ b/Documentation/patch-tags
> @@ -0,0 +1,76 @@
> +Patches headed for the mainline may contain a variety of tags documenting
> +who played a hand in (or was at least aware of) their progress. All of
> +these tags have the form:
> +
> + Something-done-by: Full name <email@address> [optional random stuff]
> +
> +These tags are:
> +
> +From: The original author of the patch. This tag will ensure
> + that credit is properly given when somebody other than the
> + original author submits the patch.
> +
> +Signed-off-by: A person adding a Signed-off-by tag is attesting that the
> + patch is, to the best of his or her knowledge, legally able
> + to be merged into the mainline and distributed under the
> + terms of the GNU General Public License, version 2. See
> + the Developer's Certificate of Origin, found in
> + Documentation/SubmittingPatches, for the precise meaning of
> + Signed-off-by. This tag assures upstream maintainers that
> + the provenance of the patch is known and allows the origin
> + of the patch to be reviewed should copyright questions
> + arise.
> +
> +Acked-by: The person named (who should be an active developer in the
> + area addressed by the patch) is aware of the patch and has
> + no objection to its inclusion; it informs upstream
> + maintainers that a certain degree of consensus on the patch
> + as been achieved.. An Acked-by tag does not imply any
> + involvement in the development of the patch or that a
> + detailed review was done.
> +
> +Reviewed-by: The patch has been reviewed and found acceptable according
> + to the Reviewer's Statement as found at the bottom of this
> + file. 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.
> +
> +Cc: The person named was given the opportunity to comment on
> + 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.
> +
> +Tested-by: 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.
> +
> +
> +----
> +
> +Reviewer's statement of oversight, v0.02
> +
> +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.

cu
Adrian

--

"Is there not promise of rain?" Ling Tan asked suddenly out
of the darkness. There had been need of rain for many days.
"Only a promise," Lao Er said.
Pearl S. Buck - Dragon Seed

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