Hi Marcos, kernel test robot noticed the following build warnings:
[auto build test WARNING on d0b3b7b22dfa1f4b515fd3a295b3fd958f9e81af] url: https://github.com/intel-lab-lkp/linux/commits/Marcos-Paulo-de-Souza/printk-nbcon-Export-console_is_usage-and-other-nbcon-symbols/20250713-131106 base: d0b3b7b22dfa1f4b515fd3a295b3fd958f9e81af patch link: https://lore.kernel.org/r/20250713-nbcon-kgdboc-v1-1-51eccd9247a8%40suse.com patch subject: [PATCH 1/2] printk: nbcon: Export console_is_usage and other nbcon symbols config: x86_64-buildonly-randconfig-001-20250713 (https://download.01.org/0day-ci/archive/20250713/202507131443.p6jejxfw-...@intel.com/config) compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250713/202507131443.p6jejxfw-...@intel.com/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 <l...@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202507131443.p6jejxfw-...@intel.com/ All warnings (new ones prefixed by >>): In file included from drivers/char/tpm/tpm_tis.c:21: In file included from include/linux/pnp.h:16: >> include/linux/console.h:653:76: warning: non-void function does not return a >> value [-Wreturn-type] 653 | static inline bool nbcon_context_try_acquire(struct nbcon_context *ctxt) { } | ^ In file included from drivers/char/tpm/tpm_tis.c:29: In file included from drivers/char/tpm/tpm.h:28: include/linux/tpm_eventlog.h:167:6: warning: variable 'mapping_size' set but not used [-Wunused-but-set-variable] 167 | int mapping_size; | ^ 2 warnings generated. vim +653 include/linux/console.h 651 652 #else > 653 static inline bool nbcon_context_try_acquire(struct nbcon_context > *ctxt) { } 654 static inline void nbcon_context_release(struct nbcon_context *ctxt) { } 655 static inline void nbcon_cpu_emergency_enter(void) { } 656 static inline void nbcon_cpu_emergency_exit(void) { } 657 static inline bool nbcon_can_proceed(struct nbcon_write_context *wctxt) { return false; } 658 static inline bool nbcon_enter_unsafe(struct nbcon_write_context *wctxt) { return false; } 659 static inline bool nbcon_exit_unsafe(struct nbcon_write_context *wctxt) { return false; } 660 static inline void nbcon_reacquire_nobuf(struct nbcon_write_context *wctxt) { } 661 static inline bool console_is_usable(struct console *con, short flags, 662 bool use_atomic) { return false; } 663 #endif 664 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki _______________________________________________ Kgdb-bugreport mailing list Kgdb-bugreport@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/kgdb-bugreport
