tree: https://github.com/jimc/linux.git dd-drm-next head: 2eec9300d730ad634b967a853579f0b5dffecc01 commit: 8819a72010473e6a18e27cb4a464fb921b1afbc0 [14/20] dyndbg: add print-to-tracefs, selftest with it - RFC config: arm-buildonly-randconfig-r005-20211014 (attached as .config) compiler: arm-linux-gnueabi-gcc (GCC) 11.2.0 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/8819a72010473e6a18e27cb4a464fb921b1a... git remote add jimc https://github.com/jimc/linux.git git fetch --no-tags jimc dd-drm-next git checkout 8819a72010473e6a18e27cb4a464fb921b1afbc0 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=arm If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): lib/dynamic_debug.c: In function 'ddebug_tracer_find': 1272 | if (trc->key == (u64)modname) | ^ In file included from include/linux/kernel.h:19, from lib/dynamic_debug.c:16: lib/dynamic_debug.c: In function 'ddebug_tracer_add': lib/dynamic_debug.c:1308:62: error: invalid use of undefined type 'struct module' 1308 | pr_warn("tracer-fn already set for %s\n", mod->name); | ^~ include/linux/printk.h:418:33: note: in definition of macro 'printk_index_wrap' 418 | _p_func(_fmt, ##__VA_ARGS__); \ | ^~~~~~~~~~~ include/linux/printk.h:499:9: note: in expansion of macro 'printk' 499 | printk(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__) | ^~~~~~ lib/dynamic_debug.c:1308:17: note: in expansion of macro 'pr_warn' 1308 | pr_warn("tracer-fn already set for %s\n", mod->name); | ^~~~~~~ lib/dynamic_debug.c:1316:20: error: cast from pointer to integer of different size [-Werror=pointer-to-int-cast] 1316 | trc->key = (u64)dt->ddebugs[0].modname; | ^ In file included from include/linux/netdevice.h:49, from lib/dynamic_debug.c:38: lib/dynamic_debug.c:1317:56: error: cast from pointer to integer of different size [-Werror=pointer-to-int-cast] 1317 | hash_add(ddebug_tracer_by_module, &trc->hnode, (u64)dt->ddebugs[0].modname); | ^ include/linux/hashtable.h:32:17: note: in definition of macro 'hash_min' 32 | (sizeof(val) <= 4 ? hash_32(val, bits) : hash_long(val, bits)) | ^~~ lib/dynamic_debug.c:1317:9: note: in expansion of macro 'hash_add' 1317 | hash_add(ddebug_tracer_by_module, &trc->hnode, (u64)dt->ddebugs[0].modname); | ^~~~~~~~ lib/dynamic_debug.c:1317:56: error: cast from pointer to integer of different size [-Werror=pointer-to-int-cast] 1317 | hash_add(ddebug_tracer_by_module, &trc->hnode, (u64)dt->ddebugs[0].modname); | ^ include/linux/hashtable.h:32:37: note: in definition of macro 'hash_min' 32 | (sizeof(val) <= 4 ? hash_32(val, bits) : hash_long(val, bits)) | ^~~ lib/dynamic_debug.c:1317:9: note: in expansion of macro 'hash_add' 1317 | hash_add(ddebug_tracer_by_module, &trc->hnode, (u64)dt->ddebugs[0].modname); | ^~~~~~~~ In file included from include/linux/stringhash.h:7, from include/linux/dcache.h:15, from include/linux/fs.h:8, from include/linux/huge_mm.h:8, from include/linux/mm.h:727, from include/linux/kallsyms.h:13, from lib/dynamic_debug.c:19: lib/dynamic_debug.c:1317:56: error: cast from pointer to integer of different size [-Werror=pointer-to-int-cast] 1317 | hash_add(ddebug_tracer_by_module, &trc->hnode, (u64)dt->ddebugs[0].modname); | ^ include/linux/hash.h:16:38: note: in definition of macro 'hash_long' 16 | #define hash_long(val, bits) hash_32(val, bits) | ^~~ include/linux/hashtable.h:61:41: note: in expansion of macro 'hash_min' 61 | hlist_add_head(node, &hashtable[hash_min(key, HASH_BITS(hashtable))]) | ^~~~~~~~ lib/dynamic_debug.c:1317:9: note: in expansion of macro 'hash_add' 1317 | hash_add(ddebug_tracer_by_module, &trc->hnode, (u64)dt->ddebugs[0].modname); | ^~~~~~~~ In file included from include/linux/kernel.h:19, from lib/dynamic_debug.c:16: lib/dynamic_debug.c: In function 'ddebug_tracer_del': lib/dynamic_debug.c:1331:65: error: invalid use of undefined type 'struct module' 1331 | pr_warn("delete: cant find tracer for %s\n", mod->name); | ^~ include/linux/printk.h:418:33: note: in definition of macro 'printk_index_wrap' 418 | _p_func(_fmt, ##__VA_ARGS__); \ | ^~~~~~~~~~~ include/linux/printk.h:499:9: note: in expansion of macro 'printk' 499 | printk(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__) | ^~~~~~ lib/dynamic_debug.c:1331:17: note: in expansion of macro 'pr_warn' 1331 | pr_warn("delete: cant find tracer for %s\n", mod->name); | ^~~~~~~ lib/dynamic_debug.c:1335:48: error: invalid use of undefined type 'struct module' 1335 | vpr_info("deleted tracer for %s\n", mod->name); | ^~ include/linux/printk.h:418:33: note: in definition of macro 'printk_index_wrap' 418 | _p_func(_fmt, ##__VA_ARGS__); \ | ^~~~~~~~~~~ include/linux/printk.h:519:9: note: in expansion of macro 'printk' 519 | printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__) | ^~~~~~ lib/dynamic_debug.c:132:17: note: in expansion of macro 'pr_info' 132 | pr_info(fmt, ##__VA_ARGS__); \ | ^~~~~~~ lib/dynamic_debug.c:135:33: note: in expansion of macro 'vnpr_info' 135 | #define vpr_info(fmt, ...) vnpr_info(1, fmt, ##__VA_ARGS__) | ^~~~~~~~~ lib/dynamic_debug.c:1335:9: note: in expansion of macro 'vpr_info' 1335 | vpr_info("deleted tracer for %s\n", mod->name); | ^~~~~~~~ lib/dynamic_debug.c: In function '__dynamic_debug_tracer_action': lib/dynamic_debug.c:1355:24: error: invalid use of undefined type 'struct module' 1355 | if (mod->name == dt->mod_name) { | ^~ lib/dynamic_debug.c:1359:32: error: invalid use of undefined type 'struct module' 1359 | if (!strcmp(mod->name, dt->mod_name)) { | ^~ In file included from include/linux/kernel.h:19, vim +1272 lib/dynamic_debug.c 1266 1267 static struct ddebug_tracer *ddebug_tracer_find(const char *modname) 1268 { 1269 struct ddebug_tracer *trc; 1270 1271 hash_for_each_possible(ddebug_tracer_by_module, trc, hnode, (unsigned long)modname) 1273 return trc; 1274 1275 return NULL; 1276 } 1277 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org