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From:   Michael Ellerman <mpe@ellerman.id.au>
To:     Konstantin Ryabitsev <konstantin@linuxfoundation.org>,
        Linus Torvalds <torvalds@linux-foundation.org>
Cc:     Nathan Chancellor <nathan@kernel.org>,
        "Michael S. Tsirkin" <mst@redhat.com>,
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        Netdev <netdev@vger.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        mie@igel.co.jp
Subject: Re: [GIT PULL] virtio: last minute fixup
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Date:   Wed, 11 May 2022 23:40:59 +1000
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Konstantin Ryabitsev <konstantin@linuxfoundation.org> writes:
...
>
> I think we should simply disambiguate the trailer added by tooling like b4.
> Instead of using Link:, it can go back to using Message-Id, which is already
> standard with git -- it's trivial for git.kernel.org to link them to
> lore.kernel.org.

But my mailer, editor and terminal don't know what to do with a Message-Id.

Whereas they can all open an https link.

Making people paste message ids into lore to see the original submission
is not a win. People make enough fun of us already for still using email
to submit patches, let's not make their job any easier :)

> Before:
>
>     Signed-off-by: Main Tainer <main.tainer@linux.dev>
>     Link: https://lore.kernel.org/r/CAHk-=wgAk3NEJ2PHtb0jXzCUOGytiHLq=rzjkFKfpiuH-SROgA@mail.gmail.com
>
> After:
>
>     Signed-off-by: Main Tainer <main.tainer@linux.dev>
>     Message-Id: <CAHk-=wgAk3NEJ2PHtb0jXzCUOGytiHLq=rzjkFKfpiuH-SROgA@mail.gmail.com>
>
> This would allow people to still use Link: for things like linking to actual
> ML discussions. I know this pollutes commits a bit, but I would argue that
> this is a worthwhile trade-off that allows us to improve our automation and
> better scale maintainers.

I went back through the history and I'm pretty sure that the original use
for "Link:" was to link to the original submission, done by tip-bot
starting back in 2011:

  https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f994d99cf140dbb637e49882891c89b3fd84becd

Prior to that there were no "Link:" tags, only "BugLink:".

But if people want to reclaim "Link:" for generic links then fine, but
let's still use a https link, just give it a different name.
eg. "PatchLink:", or "Submitted:" etc.

cheers