[kbuild-all] arch/riscv/kvm/vcpu_fp.c:29:6: error: no previous prototype for 'kvm_riscv_vcpu_fp_clean'

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: debe436e77c72fcee804fb867f275e6d31aa999c commit: 0a86512dc113e4de6550d49f276142009231c846 RISC-V: KVM: Factor-out FP virtualization into separate sources date: 11 days ago config: riscv-allyesconfig (attached as .config) compiler: riscv64-linux-gcc (GCC) 11.2.0 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/torvalds/linux.git/commit... git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 0a86512dc113e4de6550d49f276142009231c846 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=riscv If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): 29 | void kvm_riscv_vcpu_fp_clean(struct kvm_cpu_context *cntx) | ^~~~~~~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors vim +/kvm_riscv_vcpu_fp_clean +29 arch/riscv/kvm/vcpu_fp.c 28 30 { 31 cntx->sstatus &= ~SR_FS; 32 cntx->sstatus |= SR_FS_CLEAN; 33 } 34 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org