reproduce (this is a W=1 build):
        # https://github.com/intel-lab-lkp/linux/commit/ef28548058e47e9c824316fe339f88dfd00c35aa
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Alan-Maguire/btf-Extend-UAPI-to-support-BTF-location-inline-site-info/20260901-175740
        git checkout ef28548058e47e9c824316fe339f88dfd00c35aa
        # apt-get install llvm-dev

        # save the config file
        make W=1 ARCH=i386 olddefconfig
        make W=1 ARCH=i386 
        make W=1 headers_install
        make W=1 -C tools/testing/selftests