reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/jpoimboe/linux.git/commit/?id=dcb3457da83c22aae3efcd93357f35c70645c4bb git remote add jpoimboe https://git.kernel.org/pub/scm/linux/kernel/git/jpoimboe/linux.git git fetch --no-tags jpoimboe static-key-deprecated git checkout dcb3457da83c22aae3efcd93357f35c70645c4bb # 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 kernel/trace/