[tip:WIP.core/stacktrace 18/47] kernel//trace/trace_stack.c:24:17: error: static declaration of 'stack_trace_index' follows non-static declaration
- Date: Mon, 15 Apr 2019 05:42:13 +0800
- From: kbuild test robot <lkp@xxxxxxxxx>
- Subject: [tip:WIP.core/stacktrace 18/47] kernel//trace/trace_stack.c:24:17: error: static declaration of 'stack_trace_index' follows non-static declaration
tree: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git WIP.core/stacktrace head: 63c35ea6b829a0f98d307a8dec038095681ecd13 commit: 4a934c54305ab50cf2d4b0afb915feee0dbb487e [18/47] tracing: Cleanup stack trace code config: i386-randconfig-x010-201915 (attached as .config) compiler: gcc-7 (Debian 7.3.0-1) 7.3.0 reproduce: git checkout 4a934c54305ab50cf2d4b0afb915feee0dbb487e # save the attached .config to linux build tree make ARCH=i386 All errors (new ones prefixed by >>): >> kernel//trace/trace_stack.c:24:17: error: static declaration of 'stack_trace_index' follows non-static declaration static unsigned stack_trace_index[STACK_TRACE_ENTRIES]; ^~~~~~~~~~~~~~~~~ In file included from kernel//trace/trace_stack.c:12:0: include/linux/ftrace.h:248:17: note: previous declaration of 'stack_trace_index' was here extern unsigned stack_trace_index[]; ^~~~~~~~~~~~~~~~~ >> kernel//trace/trace_stack.c:36:22: error: static declaration of 'stack_trace_max_size' follows non-static declaration static unsigned long stack_trace_max_size; ^~~~~~~~~~~~~~~~~~~~ In file included from kernel//trace/trace_stack.c:12:0: include/linux/ftrace.h:250:22: note: previous declaration of 'stack_trace_max_size' was here extern unsigned long stack_trace_max_size; ^~~~~~~~~~~~~~~~~~~~ >> kernel//trace/trace_stack.c:37:24: error: static declaration of 'stack_trace_max_lock' follows non-static declaration static arch_spinlock_t stack_trace_max_lock = ^~~~~~~~~~~~~~~~~~~~ In file included from kernel//trace/trace_stack.c:12:0: include/linux/ftrace.h:251:24: note: previous declaration of 'stack_trace_max_lock' was here extern arch_spinlock_t stack_trace_max_lock; ^~~~~~~~~~~~~~~~~~~~ vim +/stack_trace_index +24 kernel//trace/trace_stack.c 22 23 static unsigned long stack_dump_trace[STACK_TRACE_ENTRIES]; > 24 static unsigned stack_trace_index[STACK_TRACE_ENTRIES]; 25 26 /* 27 * Reserve one entry for the passed in ip. This will allow 28 * us to remove most or all of the stack size overhead 29 * added by the stack tracer itself. 30 */ 31 struct stack_trace stack_trace_max = { 32 .max_entries = STACK_TRACE_ENTRIES - 1, 33 .entries = &stack_dump_trace[0], 34 }; 35 > 36 static unsigned long stack_trace_max_size; > 37 static arch_spinlock_t stack_trace_max_lock = 38 (arch_spinlock_t)__ARCH_SPIN_LOCK_UNLOCKED; 39 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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