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From: Geert Uytterhoeven <geert@linux-m68k.org>
To: Dmitry Vyukov <dvyukov@google.com>
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>
Subject: Re: [Ksummit-discuss] Allowing something Change-Id (or something like it) in kernel commits
Date: Tue, 27 Aug 2019 09:33:41 +0200	[thread overview]
Message-ID: <CAMuHMdUxz4ufVzMjbrdA8hoNqH2XCccxNQHR+rsdM=kL9aEFbg@mail.gmail.com> (raw)
In-Reply-To: <CACT4Y+aMkb4OTPwbXP1U8wtoV2oaLh+P-FoxG9N5m63kt-kGyw@mail.gmail.com>

Hi Dmitry,

On Tue, Aug 27, 2019 at 2:30 AM Dmitry Vyukov via Ksummit-discuss
<ksummit-discuss@lists.linuxfoundation.org> wrote:
> A somewhat related point re UUID/Change-ID.
> For syzbot (or any other bug tracking system) we want to associate
> bugs with fixes. It turned out there is no good identity of a change
> that we could use. Commit hash is an obvious first thing to consider,
> but (1) it changes in linux-next, (2) sometimes the change is not
> committed yet when we do the association, (3) it is different when
> backported to LTS (so not possible to say if a fix is in that stable
> tree or not).

For (3): LTS commits have "commit <sha1> upstream" in their description
(perhaps some have "cherry picked from commit <sha1>"?).

> We decided to use commit subject, which works to some degree, but also
> has problems: (1) not necessary unique, (2) sometimes people change
> subject during backporting (e.g. prepend some prefix), (3) has all the
> same problems of email clients messing with text (e.g. I can't issue
> #syz fix command for loo long commit subjects with my email client).
> Some real UUID/Change-ID would solve all of these problems by giving
> us capability to refer to changes rather than a commit in a particular
> tree only.

"git patch-id --stable <sha1>" may help, too.

For quick lookups, you need to generate/append to an index regularly.

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

  parent reply	other threads:[~2019-08-27  7:33 UTC|newest]

Thread overview: 105+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-22 23:39 [Ksummit-discuss] Allowing something Change-Id (or something like it) in kernel commits 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 [this message]
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
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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