[Linux-kernel-mentees] Regarding "Linux Kernel: Evaluate and Improve checkpatch.pl"

Ayush ayush at disroot.org
Fri Aug 21 16:18:10 UTC 2020

August 17, 2020 3:13 PM, "Lukas Bulwahn" <lukas.bulwahn at gmail.com> wrote:

> Dear Ayush,
> The zeroth task is to learn suitable netiquette for the communication with 
> the kernel community.
> First, please do not top-post.
> A: Because we read from top to bottom, left to right.
> Q: Why should I start my reply below the quoted text?
> A: Because it messes up the order in which people normally read text.
> Q: Why is top-posting such a bad thing?
> A: The lost context.
> Q: What makes top-posted replies harder to read than bottom-posted?
> A: Yes.
> Q: Should I trim down the quoted part of an email to which I'm 
> replying?
> Second, please always CC: linux-kernel-mentees at lists.linuxfoundation.org.
> Third, set up your email client according to the kernel community rules.
> Then, the first task is to run checkpatch.pl on a few kernel patches and
> collect the results. When you have that, please share your script with
> me, e.g., in a github repository.
> Hints to the first task:
> Can you create a list of all non-merge commits that were added in the
> version v5.8 of the kernel, i.e., all non-merge commits that are in v5.8
> and not already in v5.7?
> Can you share the script/command you executed and the resulting list on 
> github?
> Can you run your script on all commits of this list above and record
> all checkpatch.pl reports, and store them in your github repository?
> Can you suggest ideas how to aggregate the findings and create a
> statistics? For example: Which type of error is reported most?
> Can you implement that idea?
> I also suggest to have a look at
> the options ./scripts/checkpatch.pl --list-types and
> ./scripts/checkpatch.pl --show-types. The option --show-types changes
> the output of checkpatch.pl to list type identifiers, so it is easier
> to parse and aggregate the output.
> Please also share the script you create for that purpose on your
> github repository.
> The second task is to pick one warning that appears often and improve
> checkpatch.pl to handle that better and get it accepted by the kernel
> community.
> Hints to the second task follow when the first task is solved.
> If you fail on any of those tasks, you are out of the selection process.
> Lukas


I have attempted the task 1 and pushed the same to GitHub.

Please have a look and suggest improvements.


Please let me know if there are any issues with this.

Ayush Karn

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