linux-kernel - kernel/trace/trace.h:516:28: error: 'struct task_struct' has no member named 'trace

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Date:	Sat, 2 Jul 2016 11:26:28 +0800
From:	kbuild test robot <fengguang.wu@...el.com>
To:	unlisted-recipients:; (no To-header on input)
Cc:	kbuild-all@...org, linux-kernel@...r.kernel.org,
	Steven Rostedt <rostedt@...dmis.org>,
	Tom Zanussi <tom.zanussi@...ux.intel.com>,
	Namhyung Kim <namhyung@...nel.org>
Subject: kernel/trace/trace.h:516:28: error: 'struct task_struct' has no
 member named 'trace_recursion'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   dbdc3bb74faeec5fd92e28c15c945045d5aab426
commit: 7ef224d1d0e3a1ade02d02c01ce1dcffb736d2c3 tracing: Add 'hist' event trigger command
date:   2 months ago
config: x86_64-randconfig-s0-07021107 (attached as .config)
compiler: gcc-6 (Debian 6.1.1-1) 6.1.1 20160430
reproduce:
        git checkout 7ef224d1d0e3a1ade02d02c01ce1dcffb736d2c3
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All errors (new ones prefixed by >>):

   In file included from kernel/trace/tracing_map.c:29:0:
   kernel/trace/trace.h: In function 'trace_test_and_set_recursion':
>> kernel/trace/trace.h:516:28: error: 'struct task_struct' has no member named 'trace_recursion'
     unsigned int val = current->trace_recursion;
                               ^~
   kernel/trace/trace.h:528:9: error: 'struct task_struct' has no member named 'trace_recursion'
     current->trace_recursion = val;
            ^~
   kernel/trace/trace.h: In function 'trace_clear_recursion':
   kernel/trace/trace.h:536:28: error: 'struct task_struct' has no member named 'trace_recursion'
     unsigned int val = current->trace_recursion;
                               ^~
   kernel/trace/trace.h:545:9: error: 'struct task_struct' has no member named 'trace_recursion'
     current->trace_recursion = val;
            ^~

vim +516 kernel/trace/trace.h

edc15caf Steven Rostedt 2012-11-02  510  
edc15caf Steven Rostedt 2012-11-02  511  	return bit;
edc15caf Steven Rostedt 2012-11-02  512  }
edc15caf Steven Rostedt 2012-11-02  513  
edc15caf Steven Rostedt 2012-11-02  514  static __always_inline int trace_test_and_set_recursion(int start, int max)
edc15caf Steven Rostedt 2012-11-02  515  {
edc15caf Steven Rostedt 2012-11-02 @516  	unsigned int val = current->trace_recursion;
edc15caf Steven Rostedt 2012-11-02  517  	int bit;
edc15caf Steven Rostedt 2012-11-02  518  
edc15caf Steven Rostedt 2012-11-02  519  	/* A previous recursion check was made */

:::::: The code at line 516 was first introduced by commit
:::::: edc15cafcbfa3d73f819cae99885a2e35e4cbce5 tracing: Avoid unnecessary multiple recursion checks

:::::: TO: Steven Rostedt <srostedt@...hat.com>
:::::: CC: Steven Rostedt <rostedt@...dmis.org>

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