Messages in this thread | | | Date | Thu, 3 Dec 2020 12:40:47 +0200 | From | Leon Romanovsky <> | Subject | Re: [Ksummit-discuss] crediting bug reports and fixes folded into original patch |
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On Thu, Dec 03, 2020 at 10:36:56AM +0100, Geert Uytterhoeven wrote: > On Thu, Dec 3, 2020 at 10:35 AM Leon Romanovsky <leon@kernel.org> wrote: > > On Wed, Dec 02, 2020 at 08:02:27PM -0800, Dan Williams wrote: > > > On Wed, Dec 2, 2020 at 3:44 PM Vlastimil Babka <vbabka@suse.cz> wrote: > > > > there was a bit of debate on Twitter about this, so I thought I would bring it > > > > here. Imagine a scenario where patch sits as a commit in -next and there's a bug > > > > report or fix, possibly by a bot or with some static analysis. The maintainer > > > > decides to fold it into the original patch, which makes sense for e.g. > > > > bisectability. But there seem to be no clear rules about attribution in this > > > > case, which looks like there should be, probably in > > > > Documentation/maintainer/modifying-patches.rst > > > > > > > > The original bug fix might include a From: $author, a Reported-by: (e.g. > > > > syzbot), Fixes: $next-commit, some tag such as Addresses-Coverity: to credit the > > > > static analysis tool, and an SoB. After folding, all that's left might be a line > > > > as "include fix from $author" in the SoB area. This is a loss of > > > > metadata/attribution just due to folding, and might make contributors unhappy. > > > > Had they sent the fix after the original commit was mainline and immutable, all > > > > the info above would "survive" in the form of new commit. > > > > > > > > So I think we could decide what the proper format would be, and document it > > > > properly. I personally wouldn't mind just copy/pasting the whole commit message > > > > of the fix (with just a short issue description, no need to include stacktraces > > > > etc if the fix is folded), we could just standardize where, and how to delimit > > > > it from the main commit message. If it's a report (person or bot) of a bug that > > > > the main author then fixed, preserve the Reported-by in the same way (making > > > > clear it's not a Reported-By for the "main thing" addressed by the commit). > > > > > > > > In the debate one less verbose alternatve proposed was a SoB with comment > > > > describing it's for a fix and not whole patch, as some see SoB as the main mark > > > > of contribution, that can be easily found and counted etc. I'm not so sure about > > > > it myself, as AFAIK SoB is mainly a DCO thing, and for a maintainer it means > > > > something else ("passed through my tree") than for a patch author. And this > > > > approach would still lose the other tags. > > > > > > > > Thoughts? > > > > > > How about a convention to add a Reported-by: and a Link: to the > > > incremental fixup discussion? It's just polite to credit helpful > > > feedback, not sure it needs a more formal process. > > > > Maybe "Fixup-Reported-by:" and "Fixup-Link:"? > > And "Earlier-Review-Comments-Provided-by:"? > > How far do we want to go?
I don't want to overload existing meaning of "Reported-by:" and "Link:", so anything else is fine by me.
I imagine that all those who puts their own Reviewed-by, Signed-off-by and Tested-by in the same patch will be happy to use something like you are proposing - "Co-developed-Signed-Reviewed-Tested-by:" tag.
Thanks
> > 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
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