linux-kernel - include/linux/kprobes.h:361:2: error: invalid use of undefined type 'struct kprobe

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Date:   Thu, 22 Sep 2016 16:45:36 +0800
From:   kbuild test robot <fengguang.wu@...el.com>
To:     Joe Perches <joe@...ches.com>
Cc:     kbuild-all@...org, linux-kernel@...r.kernel.org,
        Andrew Morton <akpm@...ux-foundation.org>,
        Linux Memory Management List <linux-mm@...ck.org>
Subject: include/linux/kprobes.h:361:2: error: invalid use of undefined type
 'struct kprobe_ctlblk'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   7d1e042314619115153a0f6f06e4552c09a50e13
commit: cb984d101b30eb7478d32df56a0023e4603cba7f compiler-gcc: integrate the various compiler-gcc[345].h files
date:   1 year, 3 months ago
config: mn10300-allyesconfig (attached as .config)
compiler: am33_2.0-linux-gcc (GCC) 6.2.0
reproduce:
        wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout cb984d101b30eb7478d32df56a0023e4603cba7f
        # save the attached .config to linux build tree
        make.cross ARCH=mn10300 

All errors (new ones prefixed by >>):

   In file included from drivers/misc/lkdtm.c:39:0:
   include/linux/kprobes.h: In function 'get_kprobe_ctlblk':
>> include/linux/kprobes.h:361:2: error: invalid use of undefined type 'struct kprobe_ctlblk'
     return this_cpu_ptr(&kprobe_ctlblk);
     ^~~~~~

vim +361 include/linux/kprobes.h

ef53d9c5e Srinivasa D S              2008-07-25  345  void kretprobe_hash_unlock(struct task_struct *tsk, unsigned long *flags);
b94cce926 Hien Nguyen                2005-06-23  346  struct hlist_head * kretprobe_inst_table_head(struct task_struct *tsk);
^1da177e4 Linus Torvalds             2005-04-16  347  
e65845235 Ananth N Mavinakayanahalli 2005-11-07  348  /* kprobe_running() will just return the current_kprobe on this CPU */
e65845235 Ananth N Mavinakayanahalli 2005-11-07  349  static inline struct kprobe *kprobe_running(void)
e65845235 Ananth N Mavinakayanahalli 2005-11-07  350  {
b76834bc1 Christoph Lameter          2010-12-06  351  	return (__this_cpu_read(current_kprobe));
e65845235 Ananth N Mavinakayanahalli 2005-11-07  352  }
e65845235 Ananth N Mavinakayanahalli 2005-11-07  353  
e65845235 Ananth N Mavinakayanahalli 2005-11-07  354  static inline void reset_current_kprobe(void)
e65845235 Ananth N Mavinakayanahalli 2005-11-07  355  {
b76834bc1 Christoph Lameter          2010-12-06  356  	__this_cpu_write(current_kprobe, NULL);
e65845235 Ananth N Mavinakayanahalli 2005-11-07  357  }
e65845235 Ananth N Mavinakayanahalli 2005-11-07  358  
e65845235 Ananth N Mavinakayanahalli 2005-11-07  359  static inline struct kprobe_ctlblk *get_kprobe_ctlblk(void)
e65845235 Ananth N Mavinakayanahalli 2005-11-07  360  {
bdffd893a Christoph Lameter          2014-04-29 @361  	return this_cpu_ptr(&kprobe_ctlblk);
e65845235 Ananth N Mavinakayanahalli 2005-11-07  362  }
e65845235 Ananth N Mavinakayanahalli 2005-11-07  363  
^1da177e4 Linus Torvalds             2005-04-16  364  int register_kprobe(struct kprobe *p);
^1da177e4 Linus Torvalds             2005-04-16  365  void unregister_kprobe(struct kprobe *p);
9861668f7 Masami Hiramatsu           2008-04-28  366  int register_kprobes(struct kprobe **kps, int num);
9861668f7 Masami Hiramatsu           2008-04-28  367  void unregister_kprobes(struct kprobe **kps, int num);
^1da177e4 Linus Torvalds             2005-04-16  368  int setjmp_pre_handler(struct kprobe *, struct pt_regs *);
^1da177e4 Linus Torvalds             2005-04-16  369  int longjmp_break_handler(struct kprobe *, struct pt_regs *);

:::::: The code at line 361 was first introduced by commit
:::::: bdffd893a0e9c431304142d12d9a0a21d365c502 tracing: Replace __get_cpu_var uses with this_cpu_ptr

:::::: TO: Christoph Lameter <cl@...ux.com>
:::::: CC: Steven Rostedt <rostedt@...dmis.org>

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