reproduce (this is a W=1 build):
        git remote add mkp-scsi https://git.kernel.org/pub/scm/linux/kernel/git/mkp/scsi.git
        git fetch mkp-scsi for-next
        git checkout mkp-scsi/for-next
        b4 shazam https://lore.kernel.org/r/20241004093140.149951-1-ranjan.kumar@broadcom.com
        # 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/iommu/ drivers/scsi/mpi3mr/