reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-edac.git/commit/?id=b2bce6cb25e5c57398220f151f9860aec97598a9 git remote add mchehab-edac https://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-edac.git git fetch --no-tags mchehab-edac edac-fixes git checkout b2bce6cb25e5c57398220f151f9860aec97598a9 # 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/acpi/apei/