arch/x86/kernel/head_64.o: warning: objtool: .text+0x5: unreachable instruction
In file included from ./arch/x86/include/asm/current.h:5,
                 from ./include/linux/sched.h:12,
                 from ././include/uapi/linux/aufs_type.h:18,
                 from :
fs/aufs/hfsnotify.c: In function ‘au_hfsn_handle_event’:
fs/aufs/hfsnotify.c:161:23: error: ‘FSNOTIFY_EVENT_DENTRY’ undeclared (first use in this function); did you mean ‘FSNOTIFY_EVENT_INODE’?
  161 |       || data_type == FSNOTIFY_EVENT_DENTRY));
      |                       ^~~~~~~~~~~~~~~~~~~~~
./include/linux/compiler.h:78:42: note: in definition of macro ‘unlikely’
   78 | # define unlikely(x) __builtin_expect(!!(x), 0)
      |                                          ^
fs/aufs/debug.h:21:23: note: in expansion of macro ‘BUG_ON’
   21 | #define AuDebugOn(a)  BUG_ON(a)
      |                       ^~~~~~
fs/aufs/hfsnotify.c:160:2: note: in expansion of macro ‘AuDebugOn’
  160 |  AuDebugOn(!(data_type == FSNOTIFY_EVENT_INODE
      |  ^~~~~~~~~
fs/aufs/hfsnotify.c:161:23: note: each undeclared identifier is reported only once for each function it appears in
  161 |       || data_type == FSNOTIFY_EVENT_DENTRY));
      |                       ^~~~~~~~~~~~~~~~~~~~~
./include/linux/compiler.h:78:42: note: in definition of macro ‘unlikely’
   78 | # define unlikely(x) __builtin_expect(!!(x), 0)
      |                                          ^
fs/aufs/debug.h:21:23: note: in expansion of macro ‘BUG_ON’
   21 | #define AuDebugOn(a)  BUG_ON(a)
      |                       ^~~~~~
fs/aufs/hfsnotify.c:160:2: note: in expansion of macro ‘AuDebugOn’
  160 |  AuDebugOn(!(data_type == FSNOTIFY_EVENT_INODE
      |  ^~~~~~~~~
make[2]: *** [scripts/Makefile.build:277: fs/aufs/hfsnotify.o] Error 1
make[2]: *** Waiting for unfinished jobs....
make[1]: *** [scripts/Makefile.build:540: fs/aufs] Error 2
make[1]: *** Waiting for unfinished jobs....
make: *** [Makefile:1868: fs] Error 2
make: *** Waiting for unfinished jobs....
Traceback (most recent call last):
  File "/var/pisi/kernel/actions.py", line 25, in build
    kerneltools.build(debugSymbols=False)
  File "/usr/lib/pisilinux/pisi/actionsapi/kerneltools.py", line 165, in build
    autotools.make("ARCH=%s %s" % (__getKernelARCH(), " ".join(extra_config)))
  File "/usr/lib/pisilinux/pisi/actionsapi/autotools.py", line 103, in make
    if system('make %s %s' % (get.makeJOBS(), parameters)):
  File "/usr/lib/pisilinux/pisi/actionsapi/shelltools.py", line 255, in system
    error(_("Command \"%s\" failed, return value was %d.") % (command, retValue))
  File "/usr/lib/pisilinux/pisi/actionsapi/__init__.py", line 27, in error
    raise Error(msg)
pisi.actionsapi.Error: Command "make -j5 ARCH=x86_64" failed, return value was 2.
Action script error caught.
*** 1 error(s), 0 warning(s)
Program terminated.