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SubjectRe: [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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