[jimc:dd-shrink-cached 62/64] lib/dynamic_debug.c:2146:2: error: call to undeclared function 'arena_mas_lock'; ISO C99 and later do not support implicit function declarations
kernel test robot <[email protected]>
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tree: https://github.com/jimc/linux.git dd-shrink-cached head: 917ff2e5a74ae1c252ad3a2c9017bd464f9258f9 commit: 9ddeda37ca2aba5800b9bbc30e16a1db1ce44e5c [62/64] lib/arena_maple_tree: Specialized arena-backed maple tree config: i386-buildonly-randconfig-001-20260819 (https://download.01.org/0day-ci/archive/20260819/[email protected]/config) compiler: clang version 22.1.3 (https://github.com/llvm/llvm-project e9846648fd6183ee6d8cbdb4502213fcf902a211) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260819/[email protected]/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <[email protected]> | Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/ All errors (new ones prefixed by >>): lib/dynamic_debug.c:112:20: warning: no previous prototype for function 'ddebug_arena_alloc' [-Wmissing-prototypes] 112 | struct maple_node *ddebug_arena_alloc(void *arena, gfp_t gfp) | ^ lib/dynamic_debug.c:112:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 112 | struct maple_node *ddebug_arena_alloc(void *arena, gfp_t gfp) | ^ | static lib/dynamic_debug.c:408:2: error: call to undeclared function 'arena_mas_init'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 408 | arena_mas_init(&mas, mt, (unsigned long)dp); | ^ lib/dynamic_debug.c:409:8: error: call to undeclared function 'arena_mas_walk'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 409 | val = arena_mas_walk(&mas); | ^ lib/dynamic_debug.c:409:6: error: incompatible integer to pointer conversion assigning to 'void *' from 'int' [-Wint-conversion] 409 | val = arena_mas_walk(&mas); | ^ ~~~~~~~~~~~~~~~~~~~~ lib/dynamic_debug.c:415:18: error: call to undeclared function 'arena_mas_prev'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 415 | while ((val = arena_mas_prev(&mas, 0))) { | ^ lib/dynamic_debug.c:415:16: error: incompatible integer to pointer conversion assigning to 'void *' from 'int' [-Wint-conversion] 415 | while ((val = arena_mas_prev(&mas, 0))) { | ^ ~~~~~~~~~~~~~~~~~~~~~~~ lib/dynamic_debug.c:474:8: error: call to undeclared function 'arena_mtree_store_range'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 474 | rc = arena_mtree_store_range(mt, first, last, (void *)name, GFP_KERNEL); | ^ lib/dynamic_debug.c:474:8: note: did you mean 'mtree_store_range'? include/linux/maple_tree.h:384:5: note: 'mtree_store_range' declared here 384 | int mtree_store_range(struct maple_tree *mt, unsigned long first, | ^ lib/dynamic_debug.c:477:8: error: call to undeclared function 'arena_mtree_store_range'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 477 | rc = arena_mtree_store_range(mt, addr, addr, (void *)name, GFP_KERNEL); | ^ lib/dynamic_debug.c:480:8: error: call to undeclared function 'arena_mtree_store_range'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 480 | rc = arena_mtree_store_range(mt, addr, addr, (void *)name, GFP_KERNEL); | ^ >> lib/dynamic_debug.c:2146:2: error: call to undeclared function 'arena_mas_lock'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 2146 | arena_mas_lock(&mas); | ^ >> lib/dynamic_debug.c:2148:2: error: call to undeclared function 'arena_mas_erase'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 2148 | arena_mas_erase(&mas); | ^ >> lib/dynamic_debug.c:2150:2: error: call to undeclared function 'arena_mas_unlock'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 2150 | arena_mas_unlock(&mas); | ^ lib/dynamic_debug.c:2306:2: error: call to undeclared function 'arena_mas_init'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 2306 | arena_mas_init(&mas, mt, addr); | ^ lib/dynamic_debug.c:2310:9: error: call to undeclared function 'arena_mas_walk'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 2310 | val = arena_mas_walk(&mas); | ^ lib/dynamic_debug.c:2310:7: error: incompatible integer to pointer conversion assigning to 'void *' from 'int' [-Wint-conversion] 2310 | val = arena_mas_walk(&mas); | ^ ~~~~~~~~~~~~~~~~~~~~ lib/dynamic_debug.c:2321:16: error: call to undeclared function 'arena_mas_prev'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 2321 | while ((val = arena_mas_prev(&mas, 0))) { | ^ lib/dynamic_debug.c:2321:14: error: incompatible integer to pointer conversion assigning to 'void *' from 'int' [-Wint-conversion] 2321 | while ((val = arena_mas_prev(&mas, 0))) { | ^ ~~~~~~~~~~~~~~~~~~~~~~~ lib/dynamic_debug.c:2336:16: error: call to undeclared function 'arena_mas_next'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 2336 | while ((val = arena_mas_next(&mas, ULONG_MAX))) { | ^ lib/dynamic_debug.c:2336:14: error: incompatible integer to pointer conversion assigning to 'void *' from 'int' [-Wint-conversion] 2336 | while ((val = arena_mas_next(&mas, ULONG_MAX))) { | ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ lib/dynamic_debug.c:2429:3: error: call to undeclared function 'arena___mt_destroy'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 2429 | arena___mt_destroy(&dd_modules_site_map.mt); | ^ lib/dynamic_debug.c:2429:3: note: did you mean '__mt_destroy'? include/linux/maple_tree.h:394:6: note: '__mt_destroy' declared here 394 | void __mt_destroy(struct maple_tree *mt); | ^ fatal error: too many errors emitted, stopping now [-ferror-limit=] 1 warning and 20 errors generated. vim +/arena_mas_lock +2146 lib/dynamic_debug.c 2131 2132 /* 2133 * Called in response to a module being unloaded. Removes 2134 * any ddebug_table's which point at the module. 2135 */ 2136 static void ddebug_module_sites_clear(struct ddebug_table *dt) 2137 { 2138 unsigned long start = (unsigned long) dt->info.descs.start; 2139 unsigned long end = (unsigned long) &dt->info.descs.start[dt->info.descs.len - 1]; 2140 2141 MA_STATE(mas, &dd_modules_site_map.mt, start - DD_KEY_MOD_OFFSET, end); 2142 2143 v2pr_info("clearing %3d debugs of removed module %s\n", 2144 dt->info.descs.len, dt->info.mod_name); 2145 > 2146 arena_mas_lock(&mas); 2147 current_ddebug_write_tree = &dd_modules_site_map.mt; > 2148 arena_mas_erase(&mas); 2149 current_ddebug_write_tree = NULL; > 2150 arena_mas_unlock(&mas); 2151 2152 if (dt->compressed_sites) { 2153 vfree(dt->compressed_sites); 2154 dt->compressed_sites = NULL; 2155 } 2156 } 2157 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki