Hi Jim, [FYI, it's a private test report for your RFC patch.] [auto build test ERROR on drm-intel/for-linux-next] [also build test ERROR on linus/master v5.14-rc7 next-20210820] [cannot apply to linux/master] [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] url: https://github.com/0day-ci/linux/commits/Jim-Cromie/use-DYNAMIC_DEBUG-to-... base: git://anongit.freedesktop.org/drm-intel for-linux-next config: m68k-randconfig-r025-20210822 (attached as .config) compiler: m68k-linux-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/0day-ci/linux/commit/2380f9e06628103fcc3a6359d7f86634b... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Jim-Cromie/use-DYNAMIC_DEBUG-to-implement-DRM-debug/20210823-062136 git checkout 2380f9e06628103fcc3a6359d7f86634b3d30728 # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=m68k SHELL=/bin/bash 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 >>): | ^~~~~~~~~~~~~~~ include/linux/export.h:152:41: note: in expansion of macro '___EXPORT_SYMBOL' 152 | #define __EXPORT_SYMBOL(sym, sec, ns) ___EXPORT_SYMBOL(sym, sec, ns) | ^~~~~~~~~~~~~~~~ include/linux/export.h:160:41: note: in expansion of macro '__EXPORT_SYMBOL' 160 | #define _EXPORT_SYMBOL(sym, sec) __EXPORT_SYMBOL(sym, sec, "") | ^~~~~~~~~~~~~~~ include/linux/export.h:163:41: note: in expansion of macro '_EXPORT_SYMBOL' 163 | #define EXPORT_SYMBOL(sym) _EXPORT_SYMBOL(sym, "") | ^~~~~~~~~~~~~~ lib/dynamic_debug.c:667:1: note: in expansion of macro 'EXPORT_SYMBOL' 667 | EXPORT_SYMBOL(param_set_dyndbg); | ^~~~~~~~~~~~~ lib/dynamic_debug.c:681:15: error: non-static declaration of 'param_get_dyndbg' follows static declaration 681 | EXPORT_SYMBOL(param_get_dyndbg); | ^~~~~~~~~~~~~~~~ include/linux/export.h:98:28: note: in definition of macro '___EXPORT_SYMBOL' 98 | extern typeof(sym) sym; \ | ^~~ include/linux/export.h:160:41: note: in expansion of macro '__EXPORT_SYMBOL' 160 | #define _EXPORT_SYMBOL(sym, sec) __EXPORT_SYMBOL(sym, sec, "") | ^~~~~~~~~~~~~~~ include/linux/export.h:163:41: note: in expansion of macro '_EXPORT_SYMBOL' 163 | #define EXPORT_SYMBOL(sym) _EXPORT_SYMBOL(sym, "") | ^~~~~~~~~~~~~~ lib/dynamic_debug.c:681:1: note: in expansion of macro 'EXPORT_SYMBOL' 681 | EXPORT_SYMBOL(param_get_dyndbg); | ^~~~~~~~~~~~~ lib/dynamic_debug.c:676:5: note: previous definition of 'param_get_dyndbg' with type 'int(char *, const struct kernel_param *)' 676 | int param_get_dyndbg(char *buffer, const struct kernel_param *kp) | ^~~~~~~~~~~~~~~~ In file included from include/linux/linkage.h:7, from include/linux/kernel.h:8, from lib/dynamic_debug.c:16: include/linux/export.h:67:9: warning: ISO C90 forbids mixed declarations and code [-Wdeclaration-after-statement] 67 | static const struct kernel_symbol __ksymtab_##sym \ | ^~~~~~ include/linux/export.h:108:9: note: in expansion of macro '__KSYMTAB_ENTRY' 108 | __KSYMTAB_ENTRY(sym, sec) | ^~~~~~~~~~~~~~~ include/linux/export.h:152:41: note: in expansion of macro '___EXPORT_SYMBOL' 152 | #define __EXPORT_SYMBOL(sym, sec, ns) ___EXPORT_SYMBOL(sym, sec, ns) | ^~~~~~~~~~~~~~~~ include/linux/export.h:160:41: note: in expansion of macro '__EXPORT_SYMBOL' 160 | #define _EXPORT_SYMBOL(sym, sec) __EXPORT_SYMBOL(sym, sec, "") | ^~~~~~~~~~~~~~~ include/linux/export.h:163:41: note: in expansion of macro '_EXPORT_SYMBOL' 163 | #define EXPORT_SYMBOL(sym) _EXPORT_SYMBOL(sym, "") | ^~~~~~~~~~~~~~ lib/dynamic_debug.c:681:1: note: in expansion of macro 'EXPORT_SYMBOL' 681 | EXPORT_SYMBOL(param_get_dyndbg); | ^~~~~~~~~~~~~ lib/dynamic_debug.c:688:15: error: extern declaration of 'param_ops_dyndbg' follows declaration with no linkage 688 | EXPORT_SYMBOL(param_ops_dyndbg); | ^~~~~~~~~~~~~~~~ include/linux/export.h:98:28: note: in definition of macro '___EXPORT_SYMBOL' 98 | extern typeof(sym) sym; \ | ^~~ include/linux/export.h:160:41: note: in expansion of macro '__EXPORT_SYMBOL' 160 | #define _EXPORT_SYMBOL(sym, sec) __EXPORT_SYMBOL(sym, sec, "") | ^~~~~~~~~~~~~~~ include/linux/export.h:163:41: note: in expansion of macro '_EXPORT_SYMBOL' 163 | #define EXPORT_SYMBOL(sym) _EXPORT_SYMBOL(sym, "") | ^~~~~~~~~~~~~~ lib/dynamic_debug.c:688:1: note: in expansion of macro 'EXPORT_SYMBOL' 688 | EXPORT_SYMBOL(param_ops_dyndbg); | ^~~~~~~~~~~~~ lib/dynamic_debug.c:683:31: note: previous definition of 'param_ops_dyndbg' with type 'const struct kernel_param_ops' 683 | const struct kernel_param_ops param_ops_dyndbg = { | ^~~~~~~~~~~~~~~~ In file included from include/linux/linkage.h:7, from include/linux/kernel.h:8, from lib/dynamic_debug.c:16: include/linux/export.h:67:9: warning: ISO C90 forbids mixed declarations and code [-Wdeclaration-after-statement] 67 | static const struct kernel_symbol __ksymtab_##sym \ | ^~~~~~ include/linux/export.h:108:9: note: in expansion of macro '__KSYMTAB_ENTRY' 108 | __KSYMTAB_ENTRY(sym, sec) | ^~~~~~~~~~~~~~~ include/linux/export.h:152:41: note: in expansion of macro '___EXPORT_SYMBOL' 152 | #define __EXPORT_SYMBOL(sym, sec, ns) ___EXPORT_SYMBOL(sym, sec, ns) | ^~~~~~~~~~~~~~~~ include/linux/export.h:160:41: note: in expansion of macro '__EXPORT_SYMBOL' 160 | #define _EXPORT_SYMBOL(sym, sec) __EXPORT_SYMBOL(sym, sec, "") | ^~~~~~~~~~~~~~~ include/linux/export.h:163:41: note: in expansion of macro '_EXPORT_SYMBOL' 163 | #define EXPORT_SYMBOL(sym) _EXPORT_SYMBOL(sym, "") | ^~~~~~~~~~~~~~ lib/dynamic_debug.c:688:1: note: in expansion of macro 'EXPORT_SYMBOL' 688 | EXPORT_SYMBOL(param_ops_dyndbg); | ^~~~~~~~~~~~~ lib/dynamic_debug.c:692:12: error: invalid storage class for function 'remaining' 692 | static int remaining(int wrote) | ^~~~~~~~~ lib/dynamic_debug.c:699:14: error: invalid storage class for function '__dynamic_emit_prefix' 699 | static char *__dynamic_emit_prefix(const struct _ddebug *desc, char *buf) | ^~~~~~~~~~~~~~~~~~~~~ lib/dynamic_debug.c:729:21: error: invalid storage class for function 'dynamic_emit_prefix' 729 | static inline char *dynamic_emit_prefix(struct _ddebug *desc, char *buf) | ^~~~~~~~~~~~~~~~~~~ 749 | static struct ddebug_ratelimit *ddebug_rl_fetch(struct _ddebug *desc); | ^~~~~~~~~~~~~~~ 751 | static inline bool is_onced_or_limited(struct _ddebug *desc) | ^~~~~~~~~~~~~~~~~~~ In file included from include/linux/printk.h:10, from include/linux/kernel.h:19, from lib/dynamic_debug.c:16: lib/dynamic_debug.c: In function 'is_onced_or_limited': 767 | bool state = __ratelimit(&ddebug_rl_fetch(desc)->rs); | ^~~~~~~~~~~~~~~ include/linux/ratelimit_types.h:41:41: note: in definition of macro '__ratelimit' 41 | #define __ratelimit(state) ___ratelimit(state, __func__) | ^~~~~ 767 | bool state = __ratelimit(&ddebug_rl_fetch(desc)->rs); | ^~ include/linux/ratelimit_types.h:41:41: note: in definition of macro '__ratelimit' 41 | #define __ratelimit(state) ___ratelimit(state, __func__) | ^~~~~ In file included from include/linux/linkage.h:7, from include/linux/kernel.h:8, from lib/dynamic_debug.c:16: lib/dynamic_debug.c: In function 'ddebug_exec_queries': lib/dynamic_debug.c:812:15: error: non-static declaration of '__dynamic_pr_debug' follows static declaration 812 | EXPORT_SYMBOL(__dynamic_pr_debug); | ^~~~~~~~~~~~~~~~~~ include/linux/export.h:98:28: note: in definition of macro '___EXPORT_SYMBOL' 98 | extern typeof(sym) sym; \ | ^~~ include/linux/export.h:160:41: note: in expansion of macro '__EXPORT_SYMBOL' 160 | #define _EXPORT_SYMBOL(sym, sec) __EXPORT_SYMBOL(sym, sec, "") | ^~~~~~~~~~~~~~~ include/linux/export.h:163:41: note: in expansion of macro '_EXPORT_SYMBOL' 163 | #define EXPORT_SYMBOL(sym) _EXPORT_SYMBOL(sym, "") | ^~~~~~~~~~~~~~ lib/dynamic_debug.c:812:1: note: in expansion of macro 'EXPORT_SYMBOL' 812 | EXPORT_SYMBOL(__dynamic_pr_debug); | ^~~~~~~~~~~~~ lib/dynamic_debug.c:779:6: note: previous definition of '__dynamic_pr_debug' with type 'void(struct _ddebug *, const char *, ...)' 779 | void __dynamic_pr_debug(struct _ddebug *descriptor, const char *fmt, ...) | ^~~~~~~~~~~~~~~~~~ In file included from include/linux/linkage.h:7, from include/linux/kernel.h:8, from lib/dynamic_debug.c:16: include/linux/export.h:67:9: warning: ISO C90 forbids mixed declarations and code [-Wdeclaration-after-statement] 67 | static const struct kernel_symbol __ksymtab_##sym \ | ^~~~~~ include/linux/export.h:108:9: note: in expansion of macro '__KSYMTAB_ENTRY' 108 | __KSYMTAB_ENTRY(sym, sec) | ^~~~~~~~~~~~~~~ include/linux/export.h:152:41: note: in expansion of macro '___EXPORT_SYMBOL' 152 | #define __EXPORT_SYMBOL(sym, sec, ns) ___EXPORT_SYMBOL(sym, sec, ns) | ^~~~~~~~~~~~~~~~ include/linux/export.h:160:41: note: in expansion of macro '__EXPORT_SYMBOL' 160 | #define _EXPORT_SYMBOL(sym, sec) __EXPORT_SYMBOL(sym, sec, "") | ^~~~~~~~~~~~~~~ include/linux/export.h:163:41: note: in expansion of macro '_EXPORT_SYMBOL' 163 | #define EXPORT_SYMBOL(sym) _EXPORT_SYMBOL(sym, "") | ^~~~~~~~~~~~~~ lib/dynamic_debug.c:812:1: note: in expansion of macro 'EXPORT_SYMBOL' 812 | EXPORT_SYMBOL(__dynamic_pr_debug); | ^~~~~~~~~~~~~ lib/dynamic_debug.c:844:15: error: non-static declaration of '__dynamic_dev_dbg' follows static declaration 844 | EXPORT_SYMBOL(__dynamic_dev_dbg); | ^~~~~~~~~~~~~~~~~ include/linux/export.h:98:28: note: in definition of macro '___EXPORT_SYMBOL' 98 | extern typeof(sym) sym; \ | ^~~ include/linux/export.h:160:41: note: in expansion of macro '__EXPORT_SYMBOL' 160 | #define _EXPORT_SYMBOL(sym, sec) __EXPORT_SYMBOL(sym, sec, "") | ^~~~~~~~~~~~~~~ include/linux/export.h:163:41: note: in expansion of macro '_EXPORT_SYMBOL' 163 | #define EXPORT_SYMBOL(sym) _EXPORT_SYMBOL(sym, "") | ^~~~~~~~~~~~~~ lib/dynamic_debug.c:844:1: note: in expansion of macro 'EXPORT_SYMBOL' 844 | EXPORT_SYMBOL(__dynamic_dev_dbg); | ^~~~~~~~~~~~~ lib/dynamic_debug.c:814:6: note: previous definition of '__dynamic_dev_dbg' with type 'void(struct _ddebug *, const struct device *, const char *, ...)' 814 | void __dynamic_dev_dbg(struct _ddebug *descriptor, | ^~~~~~~~~~~~~~~~~ In file included from include/linux/linkage.h:7, from include/linux/kernel.h:8, from lib/dynamic_debug.c:16: include/linux/export.h:67:9: warning: ISO C90 forbids mixed declarations and code [-Wdeclaration-after-statement] 67 | static const struct kernel_symbol __ksymtab_##sym \ | ^~~~~~ include/linux/export.h:108:9: note: in expansion of macro '__KSYMTAB_ENTRY' 108 | __KSYMTAB_ENTRY(sym, sec) | ^~~~~~~~~~~~~~~ include/linux/export.h:152:41: note: in expansion of macro '___EXPORT_SYMBOL' 152 | #define __EXPORT_SYMBOL(sym, sec, ns) ___EXPORT_SYMBOL(sym, sec, ns) | ^~~~~~~~~~~~~~~~ include/linux/export.h:160:41: note: in expansion of macro '__EXPORT_SYMBOL' 160 | #define _EXPORT_SYMBOL(sym, sec) __EXPORT_SYMBOL(sym, sec, "") | ^~~~~~~~~~~~~~~ include/linux/export.h:163:41: note: in expansion of macro '_EXPORT_SYMBOL' 163 | #define EXPORT_SYMBOL(sym) _EXPORT_SYMBOL(sym, "") | ^~~~~~~~~~~~~~ lib/dynamic_debug.c:844:1: note: in expansion of macro 'EXPORT_SYMBOL' 844 | EXPORT_SYMBOL(__dynamic_dev_dbg); | ^~~~~~~~~~~~~ lib/dynamic_debug.c:929:19: error: invalid storage class for function 'ddebug_setup_query' 929 | static __init int ddebug_setup_query(char *str) | ^~~~~~~~~~~~~~~~~~ In file included from include/linux/printk.h:6, from include/linux/kernel.h:19, from lib/dynamic_debug.c:16: lib/dynamic_debug.c:939:26: error: initializer element is not constant 939 | __setup("ddebug_query=", ddebug_setup_query); | ^~~~~~~~~~~~~~~~~~ include/linux/init.h:321:46: note: in definition of macro '__setup_param' 321 | = { __setup_str_##unique_id, fn, early } | ^~ lib/dynamic_debug.c:939:1: note: in expansion of macro '__setup' -- | ^~~~~~ include/linux/init.h:254:9: note: in expansion of macro '____define_initcall' 254 | ____define_initcall(fn, \ | ^~~~~~~~~~~~~~~~~~~ include/linux/init.h:260:9: note: in expansion of macro '__unique_initcall' 260 | __unique_initcall(fn, id, __sec, __initcall_id(fn)) | ^~~~~~~~~~~~~~~~~ include/linux/init.h:262:35: note: in expansion of macro '___define_initcall' 262 | #define __define_initcall(fn, id) ___define_initcall(fn, id, .initcall##id) | ^~~~~~~~~~~~~~~~~~ include/linux/init.h:288:41: note: in expansion of macro '__define_initcall' 288 | #define fs_initcall(fn) __define_initcall(fn, 5) | ^~~~~~~~~~~~~~~~~ lib/dynamic_debug.c:1333:1: note: in expansion of macro 'fs_initcall' 1333 | fs_initcall(dynamic_debug_init_control); | ^~~~~~~~~~~ lib/dynamic_debug.c:1349:1: warning: ISO C90 forbids mixed declarations and code [-Wdeclaration-after-statement] 1349 | int dynamic_debug_register_tracer(const char *query, const char *modname, | ^~~ In file included from include/linux/linkage.h:7, from include/linux/kernel.h:8, from lib/dynamic_debug.c:16: lib/dynamic_debug.c:1354:15: error: non-static declaration of 'dynamic_debug_register_tracer' follows static declaration 1354 | EXPORT_SYMBOL(dynamic_debug_register_tracer); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/export.h:98:28: note: in definition of macro '___EXPORT_SYMBOL' 98 | extern typeof(sym) sym; \ | ^~~ include/linux/export.h:160:41: note: in expansion of macro '__EXPORT_SYMBOL' 160 | #define _EXPORT_SYMBOL(sym, sec) __EXPORT_SYMBOL(sym, sec, "") | ^~~~~~~~~~~~~~~ include/linux/export.h:163:41: note: in expansion of macro '_EXPORT_SYMBOL' 163 | #define EXPORT_SYMBOL(sym) _EXPORT_SYMBOL(sym, "") | ^~~~~~~~~~~~~~ lib/dynamic_debug.c:1354:1: note: in expansion of macro 'EXPORT_SYMBOL' 1354 | EXPORT_SYMBOL(dynamic_debug_register_tracer); | ^~~~~~~~~~~~~ lib/dynamic_debug.c:1349:5: note: previous definition of 'dynamic_debug_register_tracer' with type 'int(const char *, const char *, int (*)(const char *, char *, char *, struct va_format *))' 1349 | int dynamic_debug_register_tracer(const char *query, const char *modname, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from include/linux/linkage.h:7, from include/linux/kernel.h:8, from lib/dynamic_debug.c:16: include/linux/export.h:67:9: warning: ISO C90 forbids mixed declarations and code [-Wdeclaration-after-statement] 67 | static const struct kernel_symbol __ksymtab_##sym \ | ^~~~~~ include/linux/export.h:108:9: note: in expansion of macro '__KSYMTAB_ENTRY' 108 | __KSYMTAB_ENTRY(sym, sec) | ^~~~~~~~~~~~~~~ include/linux/export.h:152:41: note: in expansion of macro '___EXPORT_SYMBOL' 152 | #define __EXPORT_SYMBOL(sym, sec, ns) ___EXPORT_SYMBOL(sym, sec, ns) | ^~~~~~~~~~~~~~~~ include/linux/export.h:160:41: note: in expansion of macro '__EXPORT_SYMBOL' 160 | #define _EXPORT_SYMBOL(sym, sec) __EXPORT_SYMBOL(sym, sec, "") | ^~~~~~~~~~~~~~~ include/linux/export.h:163:41: note: in expansion of macro '_EXPORT_SYMBOL' 163 | #define EXPORT_SYMBOL(sym) _EXPORT_SYMBOL(sym, "") | ^~~~~~~~~~~~~~ lib/dynamic_debug.c:1354:1: note: in expansion of macro 'EXPORT_SYMBOL' 1354 | EXPORT_SYMBOL(dynamic_debug_register_tracer); | ^~~~~~~~~~~~~ lib/dynamic_debug.c:1372:15: error: non-static declaration of 'dynamic_debug_unregister_tracer' follows static declaration 1372 | EXPORT_SYMBOL(dynamic_debug_unregister_tracer); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/export.h:98:28: note: in definition of macro '___EXPORT_SYMBOL' 98 | extern typeof(sym) sym; \ | ^~~ include/linux/export.h:160:41: note: in expansion of macro '__EXPORT_SYMBOL' 160 | #define _EXPORT_SYMBOL(sym, sec) __EXPORT_SYMBOL(sym, sec, "") | ^~~~~~~~~~~~~~~ include/linux/export.h:163:41: note: in expansion of macro '_EXPORT_SYMBOL' 163 | #define EXPORT_SYMBOL(sym) _EXPORT_SYMBOL(sym, "") | ^~~~~~~~~~~~~~ lib/dynamic_debug.c:1372:1: note: in expansion of macro 'EXPORT_SYMBOL' 1372 | EXPORT_SYMBOL(dynamic_debug_unregister_tracer); | ^~~~~~~~~~~~~ lib/dynamic_debug.c:1367:5: note: previous definition of 'dynamic_debug_unregister_tracer' with type 'int(const char *, const char *, int (*)(const char *, char *, char *, struct va_format *))' 1367 | int dynamic_debug_unregister_tracer(const char *query, const char *modname, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from include/linux/linkage.h:7, from include/linux/kernel.h:8, from lib/dynamic_debug.c:16: include/linux/export.h:67:9: warning: ISO C90 forbids mixed declarations and code [-Wdeclaration-after-statement] 67 | static const struct kernel_symbol __ksymtab_##sym \ | ^~~~~~ include/linux/export.h:108:9: note: in expansion of macro '__KSYMTAB_ENTRY' 108 | __KSYMTAB_ENTRY(sym, sec) | ^~~~~~~~~~~~~~~ include/linux/export.h:152:41: note: in expansion of macro '___EXPORT_SYMBOL' 152 | #define __EXPORT_SYMBOL(sym, sec, ns) ___EXPORT_SYMBOL(sym, sec, ns) | ^~~~~~~~~~~~~~~~ include/linux/export.h:160:41: note: in expansion of macro '__EXPORT_SYMBOL' 160 | #define _EXPORT_SYMBOL(sym, sec) __EXPORT_SYMBOL(sym, sec, "") | ^~~~~~~~~~~~~~~ include/linux/export.h:163:41: note: in expansion of macro '_EXPORT_SYMBOL' 163 | #define EXPORT_SYMBOL(sym) _EXPORT_SYMBOL(sym, "") | ^~~~~~~~~~~~~~ lib/dynamic_debug.c:1372:1: note: in expansion of macro 'EXPORT_SYMBOL' 1372 | EXPORT_SYMBOL(dynamic_debug_unregister_tracer); | ^~~~~~~~~~~~~ 1387 | static struct ddebug_ratelimit *ddebug_rl_find(u64 key) | ^~~~~~~~~~~~~~ 1399 | static struct ddebug_ratelimit *ddebug_rl_add(u64 key) | ^~~~~~~~~~~~~ lib/dynamic_debug.c:1422:33: error: invalid storage class for function 'ddebug_rl_fetch' 1422 | static struct ddebug_ratelimit *ddebug_rl_fetch(struct _ddebug *desc) | ^~~~~~~~~~~~~~~ lib/dynamic_debug.c: In function 'ddebug_rl_fetch': lib/dynamic_debug.c:1424:19: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] 1424 | u64 key = (u64)desc; | ^ lib/dynamic_debug.c: In function 'ddebug_exec_queries': 1432 | } | ^ At top level: lib/dynamic_debug.c:1422:33: warning: 'ddebug_rl_fetch' defined but not used [-Wunused-function] 1422 | static struct ddebug_ratelimit *ddebug_rl_fetch(struct _ddebug *desc) | ^~~~~~~~~~~~~~~ lib/dynamic_debug.c:1203:5: warning: 'ddebug_remove_module' defined but not used [-Wunused-function] 1203 | int ddebug_remove_module(const char *mod_name) | ^~~~~~~~~~~~~~~~~~~~ lib/dynamic_debug.c:1187:5: warning: 'ddebug_dyndbg_module_param_cb' defined but not used [-Wunused-function] 1187 | int ddebug_dyndbg_module_param_cb(char *param, char *val, const char *module) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/ddebug_rl_fetch +749 lib/dynamic_debug.c 741 742 /* test print-once or ratelimited conditions */ 743 #define is_rated(desc) unlikely(desc->flags & _DPRINTK_FLAGS_RATELIMITED) 744 #define is_once(desc) unlikely(desc->flags & _DPRINTK_FLAGS_ONCE) 745 #define is_onced(desc) \ 746 unlikely((desc->flags & _DPRINTK_FLAGS_ONCE) \ 747 && (desc->flags & _DPRINTK_FLAGS_PRINTED)) 748 750 752 { 753 if (unlikely(desc->flags & _DPRINTK_FLAGS_ONCE && 754 desc->flags & _DPRINTK_FLAGS_RATELIMITED)) 755 pr_info(" ONCE & RATELIMITED together is nonsense\n"); 756 757 if (is_once(desc)) { 758 if (is_onced(desc)) { 759 v4pr_info("already printed once\n"); 760 return true; 761 } 762 desc->flags |= _DPRINTK_FLAGS_PRINTED; 763 return false; 764 765 } else if (is_rated(desc)) { 766 /* test rate-limits */ 768 769 v4pr_info("RLstate{%s}=%d on %s.%s.%d\n", 770 (desc->flags & _DPRINTK_FLAGS_GROUPED 771 ? "grouped" : "solo"), state, 772 desc->modname, desc->function, desc->lineno); 773 774 return state; 775 } 776 return false; 777 } 778 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org