reproduce (this is a W=1 build): git remote add opencloudos https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git git fetch --no-tags opencloudos linux-5.4/lts/5.4.119-20.0009.spr git checkout fc44080b66a3ac9b116095ee90038760588c21a9 # save the config file mkdir build_dir && cp config build_dir/.config make W=1 O=build_dir ARCH=x86_64 olddefconfig make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash arch/x86/mm/ drivers/bcma/