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Message-ID: <202110281914.lE4Jfz7P-lkp@intel.com>
Date:   Thu, 28 Oct 2021 19:36:46 +0800
From:   kernel test robot <lkp@...el.com>
To:     Nick Alcock <nick.alcock@...cle.com>, jeyu@...nel.org,
        masahiroy@...nel.org
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-modules@...r.kernel.org, linux-kernel@...r.kernel.org,
        arnd@...db.de, eugene.loh@...cle.com, kris.van.hees@...cle.com
Subject: Re: [PATCH v5 6/7] kallsyms: add /proc/kallmodsyms

Hi Nick,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on linux/master]
[also build test WARNING on linus/master v5.15-rc7]
[cannot apply to jeyu/modules-next masahiroy/kconfig next-20211027]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Nick-Alcock/kbuild-bring-back-tristate-conf/20211028-024948
base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 2f111a6fd5b5297b4e92f53798ca086f7c7d33a4
config: hexagon-randconfig-r041-20211027 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 5db7568a6a1fcb408eb8988abdaff2a225a8eb72)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/0day-ci/linux/commit/3e2ed787d495a82851cad4d99a369524140966ae
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Nick-Alcock/kbuild-bring-back-tristate-conf/20211028-024948
        git checkout 3e2ed787d495a82851cad4d99a369524140966ae
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=hexagon 

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

All warnings (new ones prefixed by >>):

   kernel/kallsyms.c:645:12: warning: no previous prototype for function 'arch_get_kallsym' [-Wmissing-prototypes]
   int __weak arch_get_kallsym(unsigned int symnum, unsigned long *value,
              ^
   kernel/kallsyms.c:645:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   int __weak arch_get_kallsym(unsigned int symnum, unsigned long *value,
   ^
   static 
   kernel/kallsyms.c:1054:30: warning: unused variable 'kallsyms_proc_ops' [-Wunused-const-variable]
   static const struct proc_ops kallsyms_proc_ops = {
                                ^
>> kernel/kallsyms.c:1062:30: warning: unused variable 'kallmodsyms_proc_ops' [-Wunused-const-variable]
   static const struct proc_ops kallmodsyms_proc_ops = {
                                ^
   3 warnings generated.


vim +/kallmodsyms_proc_ops +1062 kernel/kallsyms.c

  1060	
  1061	#ifdef CONFIG_KALLMODSYMS
> 1062	static const struct proc_ops kallmodsyms_proc_ops = {
  1063		.proc_open	= kallmodsyms_open,
  1064		.proc_read	= seq_read,
  1065		.proc_lseek	= seq_lseek,
  1066		.proc_release	= seq_release_private,
  1067	};
  1068	#endif
  1069	

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

Download attachment ".config.gz" of type "application/gzip" (27340 bytes)

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