Messages in this thread | | | Date | Tue, 16 Apr 2019 18:35:56 +0800 | From | kbuild test robot <> | Subject | [tip:WIP.core/stacktrace 32/32] include/linux/stacktrace.h:84:14: warning: 'struct stack_trace' declared inside parameter list will not be visible outside of this definition or declaration |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git WIP.core/stacktrace head: 9fe290aca53f59fd24187841dd4a8ff41ade91bd commit: 9fe290aca53f59fd24187841dd4a8ff41ade91bd [32/32] x86/stacktrace: Use common infrastructure config: i386-randconfig-x010-201915 (attached as .config) compiler: gcc-7 (Debian 7.3.0-1) 7.3.0 reproduce: git checkout 9fe290aca53f59fd24187841dd4a8ff41ade91bd # save the attached .config to linux build tree make ARCH=i386
All warnings (new ones prefixed by >>):
In file included from include/linux/lockdep.h:29:0, from include/linux/spinlock_types.h:18, from kernel/bounds.c:14: >> include/linux/stacktrace.h:84:14: warning: 'struct stack_trace' declared inside parameter list will not be visible outside of this definition or declaration struct stack_trace *trace) ^~~~~~~~~~~ include/linux/stacktrace.h: In function 'save_stack_trace_tsk_reliable': include/linux/stacktrace.h:86:10: error: 'ENOSYS' undeclared (first use in this function) return -ENOSYS; ^~~~~~ include/linux/stacktrace.h:86:10: note: each undeclared identifier is reported only once for each function it appears in make[2]: *** [kernel/bounds.s] Error 1 make[2]: Target '__build' not remade because of errors. make[1]: *** [prepare0] Error 2 make[1]: Target 'prepare' not remade because of errors. make: *** [sub-make] Error 2
vim +84 include/linux/stacktrace.h
8637c099 Ingo Molnar 2006-07-03 81 714f46ba Thomas Gleixner 2019-04-09 82 #if !defined(CONFIG_STACKTRACE) || !defined(CONFIG_HAVE_RELIABLE_STACKTRACE) 714f46ba Thomas Gleixner 2019-04-09 83 static inline int save_stack_trace_tsk_reliable(struct task_struct *tsk, 714f46ba Thomas Gleixner 2019-04-09 @84 struct stack_trace *trace) 714f46ba Thomas Gleixner 2019-04-09 85 { 714f46ba Thomas Gleixner 2019-04-09 86 return -ENOSYS; 714f46ba Thomas Gleixner 2019-04-09 87 } 714f46ba Thomas Gleixner 2019-04-09 88 #endif 714f46ba Thomas Gleixner 2019-04-09 89
:::::: The code at line 84 was first introduced by commit :::::: 714f46ba649b163e80d3dd89e83b92f4ba5ac6af stacktrace: Provide helpers for common stack trace operations
:::::: TO: Thomas Gleixner <tglx@linutronix.de> :::::: CC: Thomas Gleixner <tglx@linutronix.de>
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