reproduce (this is a W=1 build): git remote add opencloudos https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git git fetch --no-tags opencloudos next git checkout de722d17081287993748f63e8f34d06596eec824 # 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 drivers/crypto/ccp/