tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   082fce125e57cff60687181c97f3a8ee620c38f5
commit: afd5dde9a186b8fc5742fff707f184760c4af1a9 [11281/12775] RISC-V: KVM: Provide UAPI for Zicbom block size
config: riscv-randconfig-c44-20221002
compiler: riscv32-linux-gcc (GCC) 12.1.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=afd5dde9a186b8fc5742fff707f184760c4af1a9
        git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
        git fetch --no-tags linux-next master
        git checkout afd5dde9a186b8fc5742fff707f184760c4af1a9
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

   riscv32-linux-ld: arch/riscv/kvm/vcpu.o: in function `kvm_arch_vcpu_in_kernel':
>> vcpu.c:(.text+0xc3c): undefined reference to `riscv_cbom_block_size'

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp