reproduce (this is a W=1 build):
        git checkout 3f2425f5b5bbbdd991ca9cdfd5502e68d8895998
        b4 shazam https://lore.kernel.org/r/20260920-fix-ufs-rpmb-v1-1-560b842c589d@oss.qualcomm.com

        git clone https://github.com/intel/lkp-tests.git ~/lkp-tests

        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.5.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=sparc64 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.5.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=sparc64 SHELL=/bin/bash