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From: Jani Nikula <jani.nikula@intel.com>
To: Andy Shevchenko <andriy.shevchenko@linux.intel.com>, Andy Shevchenko
 <andriy.shevchenko@linux.intel.com>, workflows@vger.kernel.org,
 linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org
Cc: Jonathan Corbet <corbet@lwn.net>
Subject: Re: [PATCH v1 2/2] Documentation: process: Recommend to put Cc:
 tags after cutter '---' line
In-Reply-To: <20240423132024.2368662-3-andriy.shevchenko@linux.intel.com>
Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo
References: <20240423132024.2368662-1-andriy.shevchenko@linux.intel.com>
 <20240423132024.2368662-3-andriy.shevchenko@linux.intel.com>
Date: Tue, 23 Apr 2024 17:30:49 +0300
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On Tue, 23 Apr 2024, Andy Shevchenko <andriy.shevchenko@linux.intel.com> 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@linux.intel.com>
> ---
>  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