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From: Doug Anderson <dianders@chromium.org>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: Joel Fernandes <joelaf@google.com>,
	Barret Rhoden <brho@google.com>,
	ksummit <ksummit-discuss@lists.linuxfoundation.org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Jonathan Nieder <jrn@google.com>,
	Tomasz Figa <tfiga@chromium.org>,
	Han-Wen Nienhuys <hanwen@google.com>,
	Theodore Tso <tytso@google.com>,
	David Rientjes <rientjes@google.com>,
	Dmitry Torokhov <dtor@chromium.org>,
	Dmitry Vyukov <dvyukov@google.com>
Subject: Re: [Ksummit-discuss] Allowing something Change-Id (or something like it) in kernel commits
Date: Fri, 23 Aug 2019 09:38:11 -0700
Message-ID: <CAD=FV=WwghONxW_OzMoJ1-n7Fd4uyt=VPngOqv0NjNMkgd6Rhg@mail.gmail.com> (raw)
In-Reply-To: <alpine.DEB.2.21.1908231758320.1896@nanos.tec.linutronix.de>

Hi,

On Fri, Aug 23, 2019 at 8:59 AM Thomas Gleixner <tglx@linutronix.de> wrote:
>
> On Fri, 23 Aug 2019, Thomas Gleixner wrote:
> > On Fri, 23 Aug 2019, Doug Anderson wrote:
> > > On Fri, Aug 23, 2019 at 8:31 AM Sean Paul <seanpaul@chromium.org> wrote:
> > > Personally I'd rather keep Change-Id as-is with no link because it
> > > means that those who already have a workflow can keep using it and
> > > just stop stripping Change-Id.  However, if people really want a link
> > > we can make one up.  Remember, though, that at the time of posting v1
> > > that link points to NOWHERE.  THERE IS NO SERVER.  Thus you are
> > > speculating that (presumably) that link will find the patch you posted
> > > because you know that the list will be scraped by a bot.
> > >
> > > NOTE: I suppose I could do this today:
> > >
> > > https://lore.kernel.org/lkml/?q=Change-Id%3A+I23e218cd964f16c0b2b26127d4a5ca6529867673
> > >
> > > ...and it would work.  Ironically Mark yelled about that not providing
> > > any use outside of the company's system, but I just effectively used
> > > it to find v1 and v2 of the patch and also link it to what landed in
> > > the kernel tree (where, apparently, Mark missed stripping the
> > > Change-Id).  ...and the "discussion" about the patch.
> >
> > As I said to Sean:
> >
> >    Put the change id into the discard section of your patch mail or into
> >    the cover letter. So it's in the archive and if we really can agree on
> >    having the
> >
> >         Link://lkml.kernel.org/r/$MSGID_PER_PATCH
> >
> >    in the actual commit, then Linus is happy and you have your gerrit ID
> >    via a mouse click or just via that search you have above.
>
> And that avoids also the discussion about public/private references as
> neither the cover letter nor the discard section are part of the actual
> commit message.

If it is agreed upon to:

1. Make it allowed or suggested to put a well-formed (machine
parseable) Change-Id "after the cut" on mailing list posts, which
would allow you to associate v1, v2, and v3.

2. Add "Link://lkml.kernel.org/r/$MSGID_PER_PATCH" to landed patches,
which would allow you to recover the Change-Id even after a patch
lands.

...then I will be happy (ish).  The biggest downside I see here is
that it is much less likely that random committers out there will get
this right.  The way committers naturally have the same Change-Id from
v1 to v2 to v3 is because it's part of the commit message and when you
amend to a previous change it stays there.  That means that these
people will need to remember to move the Change-Id to "after the cut"
unless we teach git-send-email to do this for you (though I guess
maybe we could do that?).


-Doug

  reply index

Thread overview: 105+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-22 23:39 Doug Anderson
2019-08-23  0:03 ` Brendan Higgins
2019-08-23  0:17 ` Linus Torvalds
2019-08-23  0:30   ` Olof Johansson
2019-08-23  0:43     ` Guenter Roeck
2019-08-23  0:45       ` Olof Johansson
2019-08-23  1:05         ` Olof Johansson
2019-08-23  1:09           ` Dmitry Torokhov
2019-08-23  1:36         ` Theodore Y. Ts'o
2019-08-23  2:58           ` Linus Torvalds
2019-08-23  3:03             ` Linus Torvalds
2019-08-23 13:15               ` Sean Paul
2019-08-23 15:18                 ` Theodore Y. Ts'o
2019-08-23 15:31                   ` Sean Paul
2019-08-23 15:48                     ` Thomas Gleixner
2019-08-23 16:19                       ` Dmitry Torokhov
2019-08-23 16:35                         ` Joel Fernandes
2019-08-23 16:45                           ` Doug Anderson
2019-08-23 16:54                             ` Joel Fernandes
2019-08-23 18:00                               ` Doug Anderson
2019-08-23 19:08                                 ` Joel Fernandes
2019-08-23 19:15                                   ` Joel Fernandes
2019-08-23 19:23                                     ` Thomas Gleixner
2019-08-23 19:31                                       ` Joel Fernandes
2019-08-24 16:53                                   ` Doug Anderson
2019-08-23 16:46                           ` Dmitry Torokhov
2019-08-23 19:17                             ` Thomas Gleixner
2019-08-23 19:38                               ` Laurent Pinchart
2019-08-23 21:15                                 ` Thomas Gleixner
2019-08-23 21:25                                   ` Mark Brown
2019-08-24 23:13                                   ` Theodore Y. Ts'o
2019-08-25  7:09                                     ` Thomas Gleixner
2019-08-26 22:05                                       ` Thomas Gleixner
2019-08-28  8:50                                         ` Thomas Gleixner
2019-08-23 20:02                               ` Christian Brauner
2019-08-24 16:34                                 ` Doug Anderson
2019-08-24 18:11                                   ` Linus Torvalds
2019-08-24 23:04                                     ` Theodore Y. Ts'o
2019-08-25  3:11                                       ` Greg Kroah-Hartman
2019-08-27 10:51                                         ` Mark Brown
2019-09-09  8:14                                           ` Michael Ellerman
2019-09-09 12:09                                             ` Mark Brown
2019-08-26 17:13                                     ` Doug Anderson
2019-08-26 17:30                                       ` Joel Fernandes
2019-08-26 21:35                                         ` Doug Anderson
2019-08-26 21:51                                           ` Thomas Gleixner
2019-08-26 22:06                                             ` Doug Anderson
2019-08-26 22:19                                               ` Thomas Gleixner
2019-08-26 23:02                                           ` Theodore Y. Ts'o
2019-08-26 23:11                                             ` Doug Anderson
2019-09-16 14:11                                               ` Christian Brauner
2019-09-16 17:43                                               ` Al Viro
2019-09-16 18:05                                                 ` Doug Anderson
2019-08-26 23:43                                             ` Thomas Gleixner
2019-08-28 12:34                                               ` Christian Brauner
2019-08-27  0:29                                             ` Dmitry Vyukov
2019-08-27  6:06                                               ` Thomas Gleixner
2019-08-27 13:24                                                 ` Dmitry Vyukov
2019-08-27 13:48                                                   ` Greg Kroah-Hartman
2019-08-27 14:01                                                     ` Guenter Roeck
2019-08-27 14:09                                                       ` Thomas Gleixner
2019-08-27 15:33                                                         ` Greg Kroah-Hartman
2019-08-27 15:42                                                           ` Thomas Gleixner
2019-08-27 18:55                                                           ` Konstantin Ryabitsev
2019-08-27 19:53                                                             ` Greg Kroah-Hartman
2019-08-27 21:34                                                               ` Joel Fernandes
2019-08-27 21:38                                                                 ` Joel Fernandes
2019-08-28  9:08                                                                 ` Greg Kroah-Hartman
2019-08-28  9:25                                                                   ` Jani Nikula
2019-08-28 10:04                                                                   ` Martin K. Petersen
2019-08-28 10:53                                                                     ` Thomas Gleixner
2019-08-28 12:46                                                                       ` Martin K. Petersen
2019-08-28 10:42                                                                   ` Mark Brown
2019-08-28 11:41                                                                     ` Greg Kroah-Hartman
2019-08-28 12:22                                                                   ` Christian Brauner
2019-08-28 12:38                                                                   ` Joel Fernandes
2019-08-28 13:58                                                                     ` Theodore Y. Ts'o
2019-08-28 20:39                                                                       ` Doug Anderson
2019-08-28 20:46                                                                         ` Johannes Berg
2019-08-28 21:00                                                                           ` Doug Anderson
2019-08-28 22:15                                                                         ` Rob Herring
2019-08-27 17:34                                                       ` Geert Uytterhoeven
2019-08-27 18:50                                                         ` Guenter Roeck
2019-08-27 14:06                                                   ` Thomas Gleixner
2019-08-27  7:33                                               ` Geert Uytterhoeven
2019-08-27 13:30                                                 ` Dmitry Vyukov
2019-08-27 14:28                                                   ` Paul E. McKenney
2019-08-27 15:06                                                     ` Thomas Gleixner
2019-08-27 15:25                                                       ` Paul E. McKenney
2019-08-28  8:57                                                         ` Dan Carpenter
2019-08-23 15:49                     ` Doug Anderson
2019-08-23 15:54                       ` Thomas Gleixner
2019-08-23 15:59                         ` Thomas Gleixner
2019-08-23 16:38                           ` Doug Anderson [this message]
2019-08-23 16:50                             ` Andrew Lunn
2019-08-23 17:50                               ` Doug Anderson
2019-08-23 18:10               ` Konstantin Ryabitsev
2019-08-26 22:19               ` Paul Mackerras
2019-08-27  7:02                 ` Stephen Rothwell
2019-08-23  9:09             ` Vlastimil Babka
2019-08-23 12:48               ` Bhaskar Chowdhury
2019-08-23  1:01   ` Dmitry Torokhov
2019-08-23  1:07   ` Doug Anderson
2019-08-23  1:18     ` Joel Fernandes
2019-09-05  8:12 ` Eric Wong

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