Building a GKI kernel without SUSFS can be a challenging task, especially if you are encountering issues with SUSFS integration. The GitHub workflow provided in the link you shared, GKI_SUKISU, is an attempt to create a GKI kernel without relying on SUSFS. SUSFS is a component that is typically built directly into the SUKISU framework, which might be the reason for your difficulties. If you're facing issues, it's important to carefully review the build process and ensure that all dependencies and configurations are correctly set up. Additionally, you may need to look for alternative solutions or seek support from the community or maintainers of the GKI and SUKISU projects. It's also beneficial to check the documentation and any related forums or discussions for insights or similar experiences that could help you overcome the challenges you're facing.