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+# Contributing to `pin-init`
+
+Thanks for showing interest in contributing to `pin-init`! This document outlines the guidelines for
+contributing to `pin-init`.
+
+All contributions are double-licensed under Apache 2.0 and MIT. You can find the respective licenses
+in the `LICENSE-APACHE` and `LICENSE-MIT` files.
+
+## Non-Code Contributions
+
+### Bug Reports
+
+For any type of bug report, please submit an issue using the bug report issue template.
+
+If the issue is a soundness issue, please privately report it as a security vulnerability via the
+GitHub web interface.
+
+### Feature Requests
+
+If you have any feature requests, please submit an issue using the feature request issue template.
+
+### Questions and Getting Help
+
+You can ask questions in the Discussions page of the GitHub repository. If you're encountering
+problems or just have questions related to `pin-init` in the Linux kernel, you can also ask your
+questions in the [Rust-for-Linux Zulip](https://rust-for-linux.zulipchat.com/) or see
+<https://rust-for-linux.com/contact>.
+
+## Contributing Code
+
+### Linux Kernel
+
+`pin-init` is used by the Linux kernel and all commits are synchronized to it. For this reason, the
+same requirements for commits apply to `pin-init`. See [the kernel's documentation] for details. The
+rest of this document will also cover some of the rules listed there and additional ones.
+
+[the kernel's documentation]: https://docs.kernel.org/process/submitting-patches.html
+
+Contributions to `pin-init` ideally go through the [GitHub repository], because that repository runs
+a CI with lots of tests not present in the kernel. However, patches are also accepted (though not
+preferred). Do note that there are some files that are only present in the GitHub repository such as
+tests, licenses and cargo related files. Making changes to them can only happen via GitHub.
+
+[GitHub repository]: https://github.com/Rust-for-Linux/pin-init
+
+### Commit Style
+
+Everything must compile without errors or warnings and all tests must pass after **every commit**.
+This is important for bisection and also required by the kernel.
+
+Each commit should be a single, logically cohesive change. Of course it's best to keep the changes
+small and digestible, but logically linked changes should be made in the same commit. For example,
+when fixing typos, create a single commit that fixes all of them instead of one commit per typo.
+
+Commits must have a meaningful commit title. Commits with changes to files in the `internal`
+directory should have a title prefixed with `internal:`. The commit message should explain the
+change and its rationale. You also have to add your `Signed-off-by` tag, see [Developer's
+Certificate of Origin]. This has to be done for both mailing list submissions as well as GitHub
+submissions.
+
+[Developer's Certificate of Origin]: https://docs.kernel.org/process/submitting-patches.html#sign-your-work-the-developer-s-certificate-of-origin
+
+Any changes made to public APIs must be documented not only in the commit message, but also in the
+`CHANGELOG.md` file. This is especially important for breaking changes, as those warrant a major
+version bump.
+
+If you make changes to the top-level crate documentation, you also need to update the `README.md`
+via `cargo rdme`.
+
+Some of these rules can be ignored if the change is done solely to files that are not present in the
+kernel version of this library. Those files are documented in the `sync-kernel.sh` script at the
+very bottom in the `--exclude` flag given to the `git am` command.