reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/jfern/linux.git/commit/?id=23222c256db9ba9f5fea170e21083cb7afb78509 git remote add jfern https://git.kernel.org/pub/scm/linux/kernel/git/jfern/linux.git git fetch --no-tags jfern timers/tick-sched git checkout 23222c256db9ba9f5fea170e21083cb7afb78509 # 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/time/