tree: https://github.com/avpatel/linux.git riscv_sbi_hsm_suspend_v1 head: 5549ca1c38400d911243f756c4a2a2fec56cef6e commit: 400edab10d72cefa47812c9ff46f182be38cb2ee [9/10] cpuidle: Add RISC-V SBI CPU idle driver config: riscv-allyesconfig (attached as .config) compiler: riscv64-linux-gcc (GCC) 9.3.0 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://github.com/avpatel/linux/commit/400edab10d72cefa47812c9ff46f182be... git remote add avpatel https://github.com/avpatel/linux.git git fetch --no-tags avpatel riscv_sbi_hsm_suspend_v1 git checkout 400edab10d72cefa47812c9ff46f182be38cb2ee # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 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 warnings (new ones prefixed by >>): 40 | void sbi_set_domain_state(u32 state) | ^~~~~~~~~~~~~~~~~~~~ vim +/sbi_set_domain_state +40 drivers/cpuidle/cpuidle-sbi.c 39 41 { 42 __this_cpu_write(domain_state, state); 43 } 44 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org