reproduce:
        # apt-get install sparse
        # sparse version: v0.6.4-66-g0196afe1
        # https://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue.git/commit/?id=f2df8ad68c42de78ee14476961851314459825b1
        git remote add tnguy-next-queue https://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue.git
        git fetch --no-tags tnguy-next-queue dev-queue
        git checkout f2df8ad68c42de78ee14476961851314459825b1
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__ -fmax-errors=unlimited -fmax-warnings=unlimited' O=build_dir ARCH=x86_64 olddefconfig
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__ -fmax-errors=unlimited -fmax-warnings=unlimited' O=build_dir ARCH=x86_64 SHELL=/bin/bash net/devlink/