Hi Valentin, kernel test robot noticed the following build errors: [auto build test ERROR on tip/x86/core] [also build test ERROR on linus/master v6.7-rc2 next-20231120] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Valentin-Schneider/jump_label-module-Don-t-alloc-static_key_mod-for-__ro_after_init-keys/20231120-190044 base: tip/x86/core patch link: https://lore.kernel.org/r/20231120105528.760306-2-vschneid%40redhat.com patch subject: [PATCH 1/5] jump_label,module: Don't alloc static_key_mod for __ro_after_init keys config: i386-allnoconfig (https://download.01.org/0day-ci/archive/20231121/202311210601.9dbatTYU-lkp@xxxxxxxxx/config) compiler: clang version 16.0.4 (https://github.com/llvm/llvm-project.git ae42196bc493ffe877a7e3dff8be32035dea4d07) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231121/202311210601.9dbatTYU-lkp@xxxxxxxxx/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 <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202311210601.9dbatTYU-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> init/main.c:1406:3: error: call to undeclared function 'jump_label_ro'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] jump_label_ro(); ^ init/main.c:1406:3: note: did you mean 'jump_label_lock'? include/linux/jump_label.h:315:20: note: 'jump_label_lock' declared here static inline void jump_label_lock(void) {} ^ 1 error generated. vim +/jump_label_ro +1406 init/main.c 1394 1395 #ifdef CONFIG_STRICT_KERNEL_RWX 1396 static void mark_readonly(void) 1397 { 1398 if (rodata_enabled) { 1399 /* 1400 * load_module() results in W+X mappings, which are cleaned 1401 * up with call_rcu(). Let's make sure that queued work is 1402 * flushed so that we don't hit false positives looking for 1403 * insecure pages which are W+X. 1404 */ 1405 rcu_barrier(); > 1406 jump_label_ro(); 1407 mark_rodata_ro(); 1408 rodata_test(); 1409 } else 1410 pr_info("Kernel memory protection disabled.\n"); 1411 } 1412 #elif defined(CONFIG_ARCH_HAS_STRICT_KERNEL_RWX) 1413 static inline void mark_readonly(void) 1414 { 1415 pr_warn("Kernel memory protection not selected by kernel config.\n"); 1416 } 1417 #else 1418 static inline void mark_readonly(void) 1419 { 1420 pr_warn("This architecture does not have kernel memory protection.\n"); 1421 } 1422 #endif 1423 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
