reproduce (this is a W=1 build): # https://github.com/sean-jc/linux/commit/1f0146409b016f06ebcbdf922431ba84a9c2cc03 git remote add sean-jc https://github.com/sean-jc/linux git fetch --no-tags sean-jc x86/fastpath_pi_nv git checkout 1f0146409b016f06ebcbdf922431ba84a9c2cc03 # save the config file mkdir build_dir && cp config build_dir/.config make W=1 O=build_dir ARCH=i386 olddefconfig make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash arch/x86/