* [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
@ 2019-04-16 10:35 kbuild test robot
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From: kbuild test robot @ 2019-04-16 10:35 UTC (permalink / raw)
To: Thomas Gleixner; +Cc: kbuild-all, linux-kernel, tipbuild
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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>
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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