reproduce (this is a W=1 build):
        git remote add sre-hsi https://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-hsi.git
        git fetch sre-hsi for-next
        git checkout sre-hsi/for-next
        b4 shazam https://lore.kernel.org/r/20260316004139.267912-1-rosenp@gmail.com

        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=i386 olddefconfig
        make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/hsi/