Re: [PATCH v5 2/6] module: preserve Elf information for livepatch modules

[kbuild test robot]

Hi Jessica,

[auto build test ERROR on s390/features]
[also build test ERROR on v4.5 next-20160316]
[if your patch is applied to the wrong git tree, please drop us a note to help improving the system]

url:    https://github.com/0day-ci/linux/commits/Jessica-Yu/mostly-Arch-independent-livepatch/20160317-035230
base:   https://git.kernel.org/pub/scm/linux/kernel/git/s390/linux.git features
config: x86_64-randconfig-x016-201611 (attached as .config)
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

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

   In file included from include/linux/kernel.h:13:0,
                    from include/linux/list.h:8,
                    from include/linux/module.h:9,
                    from include/linux/moduleloader.h:5,
                    from kernel/module.c:20:
   kernel/module.c: In function 'find_livepatch_modinfo':
>> kernel/module.c:2767:10: error: expected ')' before 'mod'
             mod->name);
             ^
   include/linux/printk.h:236:21: note: in definition of macro 'pr_fmt'
    #define pr_fmt(fmt) fmt
                        ^
>> kernel/module.c:2766:3: note: in expansion of macro 'pr_err'
      pr_err("%s: module is marked as livepatch module, but livepatch support is disabled"
      ^
   In file included from include/linux/printk.h:6:0,
                    from include/linux/kernel.h:13,
                    from include/linux/list.h:8,
                    from include/linux/module.h:9,
                    from include/linux/moduleloader.h:5,
                    from kernel/module.c:20:
>> include/linux/kern_levels.h:4:18: warning: format '%s' expects a matching 'char *' argument [-Wformat=]
    #define KERN_SOH "\001"  /* ASCII Start Of Header */
                     ^
   include/linux/kern_levels.h:10:18: note: in expansion of macro 'KERN_SOH'
    #define KERN_ERR KERN_SOH "3" /* error conditions */
                     ^
   include/linux/printk.h:252:9: note: in expansion of macro 'KERN_ERR'
     printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__)
            ^
>> kernel/module.c:2766:3: note: in expansion of macro 'pr_err'
      pr_err("%s: module is marked as livepatch module, but livepatch support is disabled"
      ^

vim +2767 kernel/module.c

  2760		return 0;
  2761	}
  2762	#else /* !CONFIG_LIVEPATCH */
  2763	static int find_livepatch_modinfo(struct module *mod, struct load_info *info)
  2764	{
  2765		if (get_modinfo(info, "livepatch")) {
> 2766			pr_err("%s: module is marked as livepatch module, but livepatch support is disabled"
> 2767			       mod->name);
  2768			return -ENOEXEC;
  2769		}
  2770	

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0-DAY kernel test infrastructure                Open Source Technology Center
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