reproduce (this is a W=1 build): git remote add openeuler https://gitee.com/openeuler/kernel.git git fetch --no-tags openeuler OLK-6.6 git checkout c74ae2c5da57becf3f41c596d79b3dd30fa1baa6 # 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/