tree: https://github.com/avpatel/linux.git riscv_kvm_aia_v1 head: 9403342901c3b7c2036215af341d2423a6ecd8d0 commit: b558ac643cf43938bfd21643ec02336eb045ebae [22/44] RISC-V: Treat IPIs as normal Linux IRQs config: riscv-randconfig-s032-20210824 (attached as .config) compiler: riscv64-linux-gcc (GCC) 11.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.3-348-gf0e6938b-dirty # https://github.com/avpatel/linux/commit/b558ac643cf43938bfd21643ec02336eb... git remote add avpatel https://github.com/avpatel/linux.git git fetch --no-tags avpatel riscv_kvm_aia_v1 git checkout b558ac643cf43938bfd21643ec02336eb045ebae # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=riscv If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; sparse warnings: (new ones prefixed by >>) arch/riscv/kernel/smp.c:175:50: sparse: expected void [noderef] __percpu *percpu_dev_id arch/riscv/kernel/smp.c:175:50: sparse: got int * vim +175 arch/riscv/kernel/smp.c 157 158 void riscv_ipi_setup(void) 159 { 160 int i, err; 161 162 /* SBI based IPIs is our last option */ 163 if (!ipi_virq_base) 164 sbi_ipi_init(); 165 166 /* If still don't have IPIs then do nothing */ 167 if (!ipi_virq_base) { 168 pr_info("SMP: IPIs not available\n"); 169 return; 170 } 171 172 /* Request IPIs */ 173 for (i = 0; i < nr_ipi; i++) { 174 err = request_percpu_irq(ipi_virq_base + i, handle_IPI, 176 WARN_ON(err); 177 178 ipi_desc[i] = irq_to_desc(ipi_virq_base + i); 179 irq_set_status_flags(ipi_virq_base + i, IRQ_HIDDEN); 180 } 181 182 /* Enabled IPIs for boot CPU immediately */ 183 riscv_ipi_enable(); 184 } 185 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org