linux-kernel - Re: [PATCH 01/11] RISC-V: Add sections of PLT and GOT for kernel module

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Date:   Thu, 15 Mar 2018 01:20:01 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Zong Li <zong@...estech.com>
Cc:     kbuild-all@...org, palmer@...ive.com, albert@...ive.com,
        linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org,
        zong@...estech.com, zongbox@...il.com, greentime@...estech.com
Subject: Re: [PATCH 01/11] RISC-V: Add sections of PLT and GOT for kernel
 module

Hi Zong,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on v4.16-rc5 next-20180314]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Zong-Li/RISC-V-Resolve-the-issue-of-loadable-module-on-64-bit/20180314-203750
config: riscv-defconfig (attached as .config)
compiler: riscv64-linux-gcc (GCC) 7.2.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=riscv 

All error/warnings (new ones prefixed by >>):

   In file included from include/linux/module.h:25:0,
                    from fs/notify/fsnotify.c:23:
>> arch/riscv/include/asm/module.h:37:25: warning: 'struct mod_section' declared inside parameter list will not be visible outside of this definition or declaration
               const struct mod_section *sec)
                            ^~~~~~~~~~~
   arch/riscv/include/asm/module.h: In function 'get_got_entry':
>> arch/riscv/include/asm/module.h:39:49: error: dereferencing pointer to incomplete type 'const struct mod_section'
     struct got_entry *got = (struct got_entry *)sec->shdr->sh_addr;
                                                    ^~
   arch/riscv/include/asm/module.h: At top level:
   arch/riscv/include/asm/module.h:91:25: warning: 'struct mod_section' declared inside parameter list will not be visible outside of this definition or declaration
               const struct mod_section *sec)
                            ^~~~~~~~~~~
   arch/riscv/include/asm/module.h: In function 'get_plt_entry':
   arch/riscv/include/asm/module.h:93:49: error: dereferencing pointer to incomplete type 'const struct mod_section'
     struct plt_entry *plt = (struct plt_entry *)sec->shdr->sh_addr;
                                                    ^~

vim +39 arch/riscv/include/asm/module.h

    35	
    36	static inline struct got_entry *get_got_entry(u64 val,
  > 37						      const struct mod_section *sec)
    38	{
  > 39		struct got_entry *got = (struct got_entry *)sec->shdr->sh_addr;
    40		int i;
    41		for (i = 0; i < sec->num_entries; i++) {
    42			if (got[i].symbol_addr == val)
    43				return &got[i];
    44		}
    45		return NULL;
    46	}
    47	

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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