[Linux-kernel-mentees] checkpatch.pl investigation: NO_AUTHOR_SIGN_OFF issues

Lukas Bulwahn lukas.bulwahn at gmail.com
Wed Sep 23 07:32:23 UTC 2020

On Wed, 23 Sep 2020, Dwaipayan Ray wrote:

> >
> > Generally, I think it is a good first proof of concept.
> > I believe you that functionality 'basically' works; again, we might
> > already want to run a full-scale evaluation on that. Just to see
> > if there are some impacts we might not be aware of yet.
> >
> > As you already wrote, we, Joe, you and me, need to figure out
> > now all the further details:
> >
> > - how can we avoid the duplicate code in checkpatch.pl and
> > get_maintainers.pl?
> >
> > - what is performance impact, especially as AUTHOR_SIGN_OFF check is not
> > triggered often, and there are many other rules in checkpatch.pl?
> >
> > - further details, such as why do we need the lk_path is the first place?
> > and many more questions of that kind.
> >
> > Feel free to sketch a first commit message and create a PATCH RFC for the
> > discussion with Joe.
> >
> >
> > Lukas
> >
> Hi,
> As for the lk_path, it can be removed easily. To me too, it didn't make much
> sense since it was just a duplicate, as $root should contain the same.
> But again due to some reason,
> $root in checkpatch had the value ".",
> while $lk_path in get_maintainer had the value "./"
> I have no idea yet if this was a design decision or just different handling.
> So, I can change the part where I referenced the mailmap file by adding
> a trailing / with $root rather than $lk_path. That should do it.
> And for the duplicate code part, Joe did mention that either I could copy
> or place the read_mailmap code in a separate file and reference both
> checkpatch and get_maintainers from there.
> To me, copying seems much feasible because the referenced part of the
> mailmap handling code here is very small as there are some minor
> changes.

Well, if you can argue copying code, it is fine. Go ahead and send out a 
RFC patch.

Regarding the mentorship, would you have time for some virtual 
face-to-face meeting to discuss the Eligibility Criteria and Mentorship 


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