tree: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git tty-testing head: 014e10bea593b963574d607faa34e7eaaad3c02b commit: 558367b641b3802572132e7ed865f5eb887c41ea [28/29] printk: Add function to dump printk buffer directly to consoles config: arc-randconfig-002-20240207 (https://download.01.org/0day-ci/archive/20240207/202402071643.DU2VnE06-lkp@xxxxxxxxx/config) compiler: arc-elf-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240207/202402071643.DU2VnE06-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/202402071643.DU2VnE06-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): In file included from include/asm-generic/bug.h:22, from arch/arc/include/asm/bug.h:30, from include/linux/bug.h:5, from include/linux/page-flags.h:10, from kernel/bounds.c:10: >> include/linux/printk.h:275:13: warning: 'dump_printk_buffer' defined but not used [-Wunused-function] 275 | static void dump_printk_buffer(void) | ^~~~~~~~~~~~~~~~~~ -- In file included from kernel/locking/lockdep.c:62: kernel/locking/lockdep_internals.h:69:28: warning: 'LOCKF_USED_IN_IRQ_READ' defined but not used [-Wunused-const-variable=] 69 | static const unsigned long LOCKF_USED_IN_IRQ_READ = | ^~~~~~~~~~~~~~~~~~~~~~ kernel/locking/lockdep_internals.h:63:28: warning: 'LOCKF_ENABLED_IRQ_READ' defined but not used [-Wunused-const-variable=] 63 | static const unsigned long LOCKF_ENABLED_IRQ_READ = | ^~~~~~~~~~~~~~~~~~~~~~ kernel/locking/lockdep_internals.h:57:28: warning: 'LOCKF_USED_IN_IRQ' defined but not used [-Wunused-const-variable=] 57 | static const unsigned long LOCKF_USED_IN_IRQ = | ^~~~~~~~~~~~~~~~~ kernel/locking/lockdep_internals.h:51:28: warning: 'LOCKF_ENABLED_IRQ' defined but not used [-Wunused-const-variable=] 51 | static const unsigned long LOCKF_ENABLED_IRQ = | ^~~~~~~~~~~~~~~~~ In file included from include/asm-generic/bug.h:22, from arch/arc/include/asm/bug.h:30, from include/linux/bug.h:5, from include/linux/thread_info.h:13, from include/asm-generic/current.h:6, from arch/arc/include/asm/current.h:20, from include/linux/mutex.h:14, from kernel/locking/lockdep.c:30: >> include/linux/printk.h:275:13: warning: 'dump_printk_buffer' defined but not used [-Wunused-function] 275 | static void dump_printk_buffer(void) | ^~~~~~~~~~~~~~~~~~ -- In file included from include/asm-generic/bug.h:22, from arch/arc/include/asm/bug.h:30, from include/linux/bug.h:5, from include/linux/page-flags.h:10, from kernel/bounds.c:10: >> include/linux/printk.h:275:13: warning: 'dump_printk_buffer' defined but not used [-Wunused-function] 275 | static void dump_printk_buffer(void) | ^~~~~~~~~~~~~~~~~~ In file included from include/asm-generic/bug.h:22, from arch/arc/include/asm/bug.h:30, from include/linux/bug.h:5, from include/linux/thread_info.h:13, from include/asm-generic/current.h:6, from arch/arc/include/asm/current.h:20, from include/linux/sched.h:12, from arch/arc/kernel/asm-offsets.c:6: >> include/linux/printk.h:275:13: warning: 'dump_printk_buffer' defined but not used [-Wunused-function] 275 | static void dump_printk_buffer(void) | ^~~~~~~~~~~~~~~~~~ vim +/dump_printk_buffer +275 include/linux/printk.h 268 269 static inline void dump_stack(void) 270 { 271 } 272 static inline void printk_trigger_flush(void) 273 { 274 } > 275 static void dump_printk_buffer(void) 276 { 277 } 278 #endif 279 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki