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

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Message-ID: <202111270742.xpkU8cDl-lkp@intel.com>
Date:   Sat, 27 Nov 2021 07:53:09 +0800
From:   kernel test robot <lkp@...el.com>
To:     Anup Patel <anup.patel@....com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: [avpatel:riscv_kvm_aia_v1 3/28] arch/riscv/kernel/smp.c:176:50:
 sparse: sparse: incorrect type in argument 4 (different address spaces)

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@intel.com/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@...el.com>


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@lists.01.org