[avpatel:riscv_kvm_aia_v1 3/28] arch/riscv/kernel/smp.c:176:50: sparse: sparse: incorrect type in argument 4 (different address spaces)

From: kernel test robot
Date: Fri Nov 26 2021 - 18:55:33 EST


tree: https://github.com/avpatel/linux.git riscv_kvm_aia_v1
head: d3147cebc4aa570424c3bc2ac18831bc3d3bd2d6
commit: 9779a6720c22960d01ea1622f1f433e7dcb473f8 [3/28] RISC-V: Treat IPIs as normal Linux IRQs
config: riscv-randconfig-s032-20211126 (https://download.01.org/0day-ci/archive/20211127/202111270742.xpkU8cDl-lkp@xxxxxxxxx/config)
compiler: riscv32-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: v0.6.4-dirty
# https://github.com/avpatel/linux/commit/9779a6720c22960d01ea1622f1f433e7dcb473f8
git remote add avpatel https://github.com/avpatel/linux.git
git fetch --no-tags avpatel riscv_kvm_aia_v1
git checkout 9779a6720c22960d01ea1622f1f433e7dcb473f8
# save the config file to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=riscv SHELL=/bin/bash arch/riscv/kernel/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>


sparse warnings: (new ones prefixed by >>)
>> arch/riscv/kernel/smp.c:176:50: sparse: sparse: incorrect type in argument 4 (different address spaces) @@ expected void [noderef] __percpu *percpu_dev_id @@ got int * @@
arch/riscv/kernel/smp.c:176:50: sparse: expected void [noderef] __percpu *percpu_dev_id
arch/riscv/kernel/smp.c:176:50: sparse: got int *

vim +176 arch/riscv/kernel/smp.c

161
162 void riscv_ipi_set_virq_range(int virq, int nr)
163 {
164 int i, err;
165
166 if (WARN_ON(ipi_virq_base))
167 return;
168
169 WARN_ON(nr < IPI_MAX);
170 nr_ipi = min(nr, IPI_MAX);
171 ipi_virq_base = virq;
172
173 /* Request IPIs */
174 for (i = 0; i < nr_ipi; i++) {
175 err = request_percpu_irq(ipi_virq_base + i, handle_IPI,
> 176 "IPI", &ipi_virq_base);
177 WARN_ON(err);
178
179 ipi_desc[i] = irq_to_desc(ipi_virq_base + i);
180 irq_set_status_flags(ipi_virq_base + i, IRQ_HIDDEN);
181 }
182
183 /* Enabled IPIs for boot CPU immediately */
184 riscv_ipi_enable();
185 }
186 EXPORT_SYMBOL_GPL(riscv_ipi_set_virq_range);
187

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx