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From: kbuild test robot <lkp@intel.com>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: kbuild-all@01.org, linux-kernel@vger.kernel.org, tipbuild@zytor.com
Subject: [tip:WIP.core/stacktrace 47/47] kernel//trace/trace_stack.c:263:26: error: invalid use of undefined type 'struct stack_trace'
Date: Mon, 15 Apr 2019 05:52:31 +0800	[thread overview]
Message-ID: <201904150528.RG5qUBUG%lkp@intel.com> (raw)

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git WIP.core/stacktrace
head:   63c35ea6b829a0f98d307a8dec038095681ecd13
commit: 63c35ea6b829a0f98d307a8dec038095681ecd13 [47/47] 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 63c35ea6b829a0f98d307a8dec038095681ecd13
        # 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:27:22: 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:28:24: 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;
                           ^~~~~~~~~~~~~~~~~~~~
   kernel//trace/trace_stack.c: In function '__next':
>> kernel//trace/trace_stack.c:263:26: error: invalid use of undefined type 'struct stack_trace'
     if (n >= stack_trace_max.nr_entries)
                             ^
   kernel//trace/trace_stack.c: In function 't_show':
   kernel//trace/trace_stack.c:327:22: error: invalid use of undefined type 'struct stack_trace'
          stack_trace_max.nr_entries);
                         ^
   kernel//trace/trace_stack.c:337:26: error: invalid use of undefined type 'struct stack_trace'
     if (i >= stack_trace_max.nr_entries)
                             ^
   kernel//trace/trace_stack.c:340:30: error: invalid use of undefined type 'struct stack_trace'
     if (i + 1 == stack_trace_max.nr_entries)
                                 ^

vim +263 kernel//trace/trace_stack.c

e5a81b62 Steven Rostedt  2008-08-27  257  
e5a81b62 Steven Rostedt  2008-08-27  258  static void *
2fc5f0cf Li Zefan        2009-08-17  259  __next(struct seq_file *m, loff_t *pos)
e5a81b62 Steven Rostedt  2008-08-27  260  {
2fc5f0cf Li Zefan        2009-08-17  261  	long n = *pos - 1;
e5a81b62 Steven Rostedt  2008-08-27  262  
4285f2fc Thomas Gleixner 2019-04-10 @263  	if (n >= stack_trace_max.nr_entries)
e5a81b62 Steven Rostedt  2008-08-27  264  		return NULL;
e5a81b62 Steven Rostedt  2008-08-27  265  
2fc5f0cf Li Zefan        2009-08-17  266  	m->private = (void *)n;
1b6cced6 Steven Rostedt  2008-08-29  267  	return &m->private;
e5a81b62 Steven Rostedt  2008-08-27  268  }
e5a81b62 Steven Rostedt  2008-08-27  269  

:::::: The code at line 263 was first introduced by commit
:::::: 4285f2fcef8001ead0f1c9315ba50302cab68cda tracing: Remove the ULONG_MAX stack trace hackery

:::::: 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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                 reply	other threads:[~2019-04-14 21:56 UTC|newest]

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