Worked on the torvalds/linux repository to enhance CI build stability by addressing an issue with .gitignore rules for vfio selftests. The solution involved refining Makefile-based build system management and version control practices to ensure that files already tracked by Git were not mistakenly ignored. This targeted fix eliminated CI warnings, reduced false positives, and improved the reproducibility of self-test runs, thereby streamlining the feedback loop for contributors. Demonstrated attention to detail in handling .gitignore intricacies and integrating changes within the kernel development workflow, leveraging skills in build automation and Git to support more reliable and maintainable continuous integration processes.