Re: [PATCH v1 2/2] Documentation: process: Recommend to put Cc: tags after cutter '---' line

From: Jani Nikula
Date: Tue Apr 23 2024 - 10:31:06 EST


On Tue, 23 Apr 2024, Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> wrote:
> The recommendation is based on the following rationale:
>
> - it makes the commit messages much cleaner and easy to read, especially
> on the screens of the mobile devices;
>
> - it reduces resources (memory, time, energy) to retrieve all these
> headers, which are barely needed by a mere user, as for automation
> they will be still available via mail archives, such as
> https://lore.kernel.org, assuming the Link: or Message-ID tag is
> provided.

I find the information in the commit message useful, and it tells me who
were explicitly included in the discussion.

For example when fixing a regression I'd like to Cc everyone who was
Cc'd in the regressing commit. The drm subsystem maintainer tool
actually has a helper for doing just that. 'dim fixes <sha1>' digs up
all the relevant info.

The Cc's on the mailing list archive are harder to dig up, and do not
accurately reflect the same information. A lot of patches get sent with
more Cc's in the mail message than in the commit message.

BR,
Jani.


> Let's be environment friendly and save the planet!
>
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
> ---
> Documentation/process/5.Posting.rst | 4 ++++
> Documentation/process/submitting-patches.rst | 5 +++++
> 2 files changed, 9 insertions(+)
>
> diff --git a/Documentation/process/5.Posting.rst b/Documentation/process/5.Posting.rst
> index 90a7fe2a85f2..157b3fc0087a 100644
> --- a/Documentation/process/5.Posting.rst
> +++ b/Documentation/process/5.Posting.rst
> @@ -276,6 +276,10 @@ for addition without the explicit permission of the person named; using
> Reported-by: is fine most of the time as well, but ask for permission if
> the bug was reported in private.
>
> +It's recommended to locate the additional Cc: tags after the cutter '---' line
> +in the patches as it makes sure the commit message won't be polluted with them.
> +At the same time they will be available via email headers on the mail archives,
> +such as https://lore.kernel.org.
>
> Sending the patch
> -----------------
> diff --git a/Documentation/process/submitting-patches.rst b/Documentation/process/submitting-patches.rst
> index 6775f0698136..0c898d9e00f5 100644
> --- a/Documentation/process/submitting-patches.rst
> +++ b/Documentation/process/submitting-patches.rst
> @@ -491,6 +491,11 @@ automatically converted to the Cc: email header and you do not need to
> have an explicit ``Cc:`` tag, if the person is already mentioned by another
> tag.
>
> +It's recommended to locate the additional ``Cc:`` tags after the cutter '---' line
> +in the patches as it makes sure the commit message won't be polluted with them.
> +At the same time they will be available via email headers on the mail archives,
> +such as https://lore.kernel.org.
> +
> Co-developed-by: states that the patch was co-created by multiple developers;
> it is used to give attribution to co-authors (in addition to the author
> attributed by the From: tag) when several people work on a single patch. Since

--
Jani Nikula, Intel