Hi Bibo, kernel test robot noticed the following build warnings:
[auto build test WARNING on 610a9b8f49fbcf1100716370d3b5f6f884a2835a] url: https://github.com/intel-lab-lkp/linux/commits/Bibo-Mao/LoongArch-KVM-Add-hypercall-instruction-emulation-support/20240103-151946 base: 610a9b8f49fbcf1100716370d3b5f6f884a2835a patch link: https://lore.kernel.org/r/20240103071615.3422264-4-maobibo%40loongson.cn patch subject: [PATCH 3/5] LoongArch/smp: Refine ipi ops on LoongArch platform config: loongarch-randconfig-r131-20240103 (https://download.01.org/0day-ci/archive/20240104/202401040952.1jdpfc85-...@intel.com/config) compiler: loongarch64-linux-gcc (GCC) 13.2.0 reproduce: (https://download.01.org/0day-ci/archive/20240104/202401040952.1jdpfc85-...@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <l...@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202401040952.1jdpfc85-...@intel.com/ sparse warnings: (new ones prefixed by >>) >> arch/loongarch/kernel/smp.c:192:73: sparse: sparse: incorrect type in >> argument 4 (different address spaces) @@ expected void [noderef] >> __percpu *percpu_dev_id @@ got int * @@ arch/loongarch/kernel/smp.c:192:73: sparse: expected void [noderef] __percpu *percpu_dev_id arch/loongarch/kernel/smp.c:192:73: sparse: got int * arch/loongarch/kernel/smp.c: note: in included file (through arch/loongarch/include/asm/loongarch.h, arch/loongarch/include/asm/cpu-info.h, ...): ../lib/gcc/loongarch64-linux/13.2.0/include/larchintrin.h:332:3: sparse: sparse: undefined identifier '__builtin_loongarch_iocsrwr_d' ../lib/gcc/loongarch64-linux/13.2.0/include/larchintrin.h:284:25: sparse: sparse: undefined identifier '__builtin_loongarch_iocsrrd_w' ../lib/gcc/loongarch64-linux/13.2.0/include/larchintrin.h:284:11: sparse: sparse: cast from unknown type ../lib/gcc/loongarch64-linux/13.2.0/include/larchintrin.h:322:3: sparse: sparse: undefined identifier '__builtin_loongarch_iocsrwr_w' arch/loongarch/kernel/smp.c: note: in included file (through arch/loongarch/include/asm/cpu-info.h, arch/loongarch/include/asm/processor.h, ...): arch/loongarch/include/asm/loongarch.h:1260:1: sparse: sparse: undefined identifier '__builtin_loongarch_csrrd_w' arch/loongarch/include/asm/loongarch.h:1260:1: sparse: sparse: cast from unknown type arch/loongarch/include/asm/loongarch.h:1260:1: sparse: sparse: undefined identifier '__builtin_loongarch_csrwr_w' arch/loongarch/include/asm/loongarch.h:1260:1: sparse: sparse: cast from unknown type arch/loongarch/include/asm/loongarch.h:1260:1: sparse: sparse: undefined identifier '__builtin_loongarch_csrrd_w' arch/loongarch/include/asm/loongarch.h:1260:1: sparse: sparse: cast from unknown type arch/loongarch/include/asm/loongarch.h:1260:1: sparse: sparse: undefined identifier '__builtin_loongarch_csrwr_w' arch/loongarch/include/asm/loongarch.h:1260:1: sparse: sparse: cast from unknown type arch/loongarch/include/asm/loongarch.h:1260:1: sparse: sparse: undefined identifier '__builtin_loongarch_csrrd_w' arch/loongarch/include/asm/loongarch.h:1260:1: sparse: sparse: cast from unknown type arch/loongarch/include/asm/loongarch.h:1260:1: sparse: sparse: undefined identifier '__builtin_loongarch_csrwr_w' arch/loongarch/include/asm/loongarch.h:1260:1: sparse: sparse: cast from unknown type arch/loongarch/kernel/smp.c: note: in included file (through arch/loongarch/include/asm/loongarch.h, arch/loongarch/include/asm/cpu-info.h, ...): ../lib/gcc/loongarch64-linux/13.2.0/include/larchintrin.h:294:30: sparse: sparse: undefined identifier '__builtin_loongarch_iocsrrd_d' ../lib/gcc/loongarch64-linux/13.2.0/include/larchintrin.h:294:11: sparse: sparse: cast from unknown type arch/loongarch/kernel/smp.c: note: in included file (through include/linux/irqflags.h, include/linux/spinlock.h, include/linux/mmzone.h, ...): arch/loongarch/include/asm/percpu.h:30:9: sparse: sparse: undefined identifier '__builtin_loongarch_csrwr_d' arch/loongarch/include/asm/percpu.h:30:9: sparse: sparse: cast from unknown type arch/loongarch/include/asm/percpu.h:30:9: sparse: sparse: cast from unknown type vim +192 arch/loongarch/kernel/smp.c 181 182 static void loongson_ipi_init(void) 183 { 184 int r, ipi_irq; 185 static int ipi_dummy_dev; 186 187 ipi_irq = get_percpu_irq(INT_IPI); 188 if (ipi_irq < 0) 189 panic("IPI IRQ mapping failed\n"); 190 191 irq_set_percpu_devid(ipi_irq); > 192 r = request_percpu_irq(ipi_irq, loongson_ipi_interrupt, "IPI", > &ipi_dummy_dev); 193 if (r < 0) 194 panic("IPI IRQ request failed\n"); 195 } 196 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
