reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/morse/linux.git/commit/?id=c4df656cb6afb482b2d7cb0bc404beb995ffe165
        git remote add morse https://git.kernel.org/pub/scm/linux/kernel/git/morse/linux.git
        git fetch --no-tags morse mpam/snapshot+extras/v6.15-rc3
        git checkout c4df656cb6afb482b2d7cb0bc404beb995ffe165
        # 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 fs/resctrl/