tree:   https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git locking/jump_label
head:   bc3894f26c7917aca4f820baa8b3273696466b7d
commit: 1629d66e8cb113f387ed66623208033c82cdc4b5 [15/39] x86/kprobes: Convert to text-patching.h
config: i386-defconfig (attached as .config)
compiler: gcc-7 (Debian 7.4.0-13) 7.4.0
reproduce:
        git checkout 1629d66e8cb113f387ed66623208033c82cdc4b5
        # save the attached .config to linux build tree
        make ARCH=i386 

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

   arch/x86/kernel/kprobes/core.c: In function 'can_probe':
>> arch/x86/kernel/kprobes/core.c:304:31: error: 'INT3_INSN_OPCODED' undeclared (first use in this function); did you mean 'INT3_INSN_OPCODE'?
      if (insn.opcode.bytes[0] == INT3_INSN_OPCODED)
                                  ^~~~~~~~~~~~~~~~~
                                  INT3_INSN_OPCODE
   arch/x86/kernel/kprobes/core.c:304:31: note: each undeclared identifier is reported only once for each function it appears in
   arch/x86/kernel/kprobes/core.c: In function 'setup_singlestep':
   arch/x86/kernel/kprobes/core.c:612:19: error: 'INT3_INSN_OPCODED' undeclared (first use in this function); did you mean 'INT3_INSN_OPCODE'?
     if (p->opcode == INT3_INSN_OPCODED)
                      ^~~~~~~~~~~~~~~~~
                      INT3_INSN_OPCODE
   arch/x86/kernel/kprobes/core.c: In function 'kprobe_int3_handler':
   arch/x86/kernel/kprobes/core.c:698:22: error: 'INT3_INSN_OPCODED' undeclared (first use in this function); did you mean 'INT3_INSN_OPCODE'?
     } else if (*addr != INT3_INSN_OPCODED) {
                         ^~~~~~~~~~~~~~~~~
                         INT3_INSN_OPCODE

vim +304 arch/x86/kernel/kprobes/core.c

   272	
   273	/* Check if paddr is at an instruction boundary */
   274	static int can_probe(unsigned long paddr)
   275	{
   276		unsigned long addr, __addr, offset = 0;
   277		struct insn insn;
   278		kprobe_opcode_t buf[MAX_INSN_SIZE];
   279	
   280		if (!kallsyms_lookup_size_offset(paddr, NULL, &offset))
   281			return 0;
   282	
   283		/* Decode instructions */
   284		addr = paddr - offset;
   285		while (addr < paddr) {
   286			/*
   287			 * Check if the instruction has been modified by another
   288			 * kprobe, in which case we replace the breakpoint by the
   289			 * original instruction in our buffer.
   290			 * Also, jump optimization will change the breakpoint to
   291			 * relative-jump. Since the relative-jump itself is
   292			 * normally used, we just go through if there is no kprobe.
   293			 */
   294			__addr = recover_probed_instruction(buf, addr);
   295			if (!__addr)
   296				return 0;
   297			kernel_insn_init(&insn, (void *)__addr, MAX_INSN_SIZE);
   298			insn_get_length(&insn);
   299	
   300			/*
   301			 * Another debugging subsystem might insert this breakpoint.
   302			 * In that case, we can't recover it.
   303			 */
 > 304			if (insn.opcode.bytes[0] == INT3_INSN_OPCODED)
   305				return 0;
   306			addr += insn.length;
   307		}
   308	
   309		return (addr == paddr);
   310	}
   311	

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