[jimc:dd-drm-4d 3/9] lib/dynamic_debug.c:1187:52: error: invalid use of undefined type 'struct module'

[jimc:dd-drm-4d 3/9] lib/dynamic_debug.c:1187:52: error: invalid use of undefined type 'struct module'

[kernel test robot]

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tree:   https://github.com/jimc/linux.git dd-drm-4d
head:   6ffb90a167c272a6a58f37bb5386e0cdcb7ba782
commit: e8f610cf4d272528ca10b080b749ef8086b71b7d [3/9] dyndbg: add DEFINE_DYNAMIC_DEBUG_CATEGORIES and callbacks
config: ia64-randconfig-r001-20210811 (attached as .config)
compiler: ia64-linux-gcc (GCC) 10.3.0
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/jimc/linux/commit/e8f610cf4d272528ca10b080b749ef8086b71b7d
        git remote add jimc https://github.com/jimc/linux.git
        git fetch --no-tags jimc dd-drm-4d
        git checkout e8f610cf4d272528ca10b080b749ef8086b71b7d
        # save the attached .config to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross O=build_dir ARCH=ia64 SHELL=/bin/bash

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

All errors (new ones prefixed by >>):

   lib/dynamic_debug.c: In function 'param_set_dyndbg':
>> lib/dynamic_debug.c:1187:52: error: invalid use of undefined type 'struct module'
    1187 |   chgct = dynamic_debug_exec_queries(query, kp->mod->name);
         |                                                    ^~
   At top level:
   lib/dynamic_debug.c:936:30: warning: 'proc_fops' defined but not used [-Wunused-const-variable=]
     936 | static const struct proc_ops proc_fops = {
         |                              ^~~~~~~~~


vim +1187 lib/dynamic_debug.c

  1161	
  1162	/**
  1163	 * param_set_dyndbg() - drm.debug style bitmap to format-prefix categories
  1164	 * @instr: string echo>d to sysfs
  1165	 * @kp:    struct kernel_param* ->data has bitmap
  1166	 * Exported to support DEFINE_DYNAMIC_DEBUG_CATEGORIES
  1167	 */
  1168	int param_set_dyndbg(const char *instr, const struct kernel_param *kp)
  1169	{
  1170		unsigned long inbits;
  1171		int rc, i, chgct = 0, totct = 0;
  1172		char query[OUR_QUERY_SIZE];
  1173		struct dyndbg_bitdesc *bitmap = (struct dyndbg_bitdesc *) kp->data;
  1174	
  1175		rc = kstrtoul(instr, 0, &inbits);
  1176		if (rc) {
  1177			pr_err("set_dyndbg: failed\n");
  1178			return -EINVAL;
  1179		}
  1180		vpr_info("set_dyndbg: input 0x%lx\n", inbits);
  1181	
  1182		for (i = 0; !!bitmap[i].prefix; i++) {
  1183	
  1184			sprintf(query, "format '^%s' %cp", bitmap[i].prefix,
  1185				test_bit(i, &inbits) ? '+' : '-');
  1186	
> 1187			chgct = dynamic_debug_exec_queries(query, kp->mod->name);
  1188	
  1189			v2pr_info("bit-%d: %d changes by '%s'\n", i, chgct, query);
  1190			totct += chgct;
  1191		}
  1192		vpr_info("total changes: %d\n", totct);
  1193		return 0;
  1194	}
  1195	EXPORT_SYMBOL(param_set_dyndbg);
  1196	

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

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