[jpoimboe:objtool-diff 2/2] fs/kpatch-macros.h:54:11: fatal error: kpatch.h: No such file or directory

[kernel test robot <lkp@intel.com>]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/jpoimboe/linux.git objtool-diff
head:   745009dc796e56fc87e911138d801679ecd3576e
commit: 745009dc796e56fc87e911138d801679ecd3576e [2/2] test
config: parisc-allnoconfig (https://download.01.org/0day-ci/archive/20240525/202405250910.MEZEIATv-lkp@intel.com/config)
compiler: hppa-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240525/202405250910.MEZEIATv-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202405250910.MEZEIATv-lkp@intel.com/

All error/warnings (new ones prefixed by >>):

   In file included from fs/aio.c:54:
>> fs/kpatch-macros.h:54:11: fatal error: kpatch.h: No such file or directory
      54 | # include "kpatch.h"
         |           ^~~~~~~~~~
   compilation terminated.
--
   kernel/fork.c: In function 'kernel_clone':
>> kernel/fork.c:2815:18: error: implicit declaration of function 'klp_shadow_get_or_alloc' [-Werror=implicit-function-declaration]
    2815 |         newpid = klp_shadow_get_or_alloc(p, 0, sizeof(*newpid), GFP_KERNEL,
         |                  ^~~~~~~~~~~~~~~~~~~~~~~
>> kernel/fork.c:2815:16: warning: assignment to 'int *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
    2815 |         newpid = klp_shadow_get_or_alloc(p, 0, sizeof(*newpid), GFP_KERNEL,
         |                ^
   cc1: some warnings being treated as errors
--
   kernel/exit.c: In function 'do_exit':
>> kernel/exit.c:882:9: error: implicit declaration of function 'klp_shadow_free' [-Werror=implicit-function-declaration]
     882 |         klp_shadow_free(tsk, 0, NULL);
         |         ^~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors
--
   In file included from kernel/kpatch-syscall.h:4,
                    from kernel/sys.c:1307:
>> kernel/kpatch-macros.h:54:11: fatal error: kpatch.h: No such file or directory
      54 | # include "kpatch.h"
         |           ^~~~~~~~~~
   compilation terminated.
--
>> drivers/tty/n_tty.c:2350: warning: expecting prototype for n_tty_write(). Prototype was for kpatch_n_tty_write() instead
--
   fs/proc/array.c: In function 'task_context_switch_counts':
>> fs/proc/array.c:408:18: error: implicit declaration of function 'klp_shadow_get' [-Werror=implicit-function-declaration]
     408 |         newpid = klp_shadow_get(p, 0);
         |                  ^~~~~~~~~~~~~~
>> fs/proc/array.c:408:16: warning: assignment to 'int *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
     408 |         newpid = klp_shadow_get(p, 0);
         |                ^
   cc1: some warnings being treated as errors


vim +54 fs/kpatch-macros.h

8603978b6c309a Josh Poimboeuf 2024-03-23  49  
8603978b6c309a Josh Poimboeuf 2024-03-23  50  #ifdef HAS_LIVEPATCH_CALLBACKS
8603978b6c309a Josh Poimboeuf 2024-03-23  51  # include <linux/livepatch.h>
8603978b6c309a Josh Poimboeuf 2024-03-23  52  typedef struct klp_object patch_object;
8603978b6c309a Josh Poimboeuf 2024-03-23  53  #else
8603978b6c309a Josh Poimboeuf 2024-03-23 @54  # include "kpatch.h"
8603978b6c309a Josh Poimboeuf 2024-03-23  55  typedef struct kpatch_object patch_object;
8603978b6c309a Josh Poimboeuf 2024-03-23  56  #endif /* HAS_LIVEPATCH_CALLBACKS */
8603978b6c309a Josh Poimboeuf 2024-03-23  57  

:::::: The code at line 54 was first introduced by commit
:::::: 8603978b6c309a0184ea26eb1cc822f889ec4654 todo

:::::: TO: Josh Poimboeuf <jpoimboe@kernel.org>
:::::: CC: Josh Poimboeuf <jpoimboe@kernel.org>

-- 
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https://github.com/intel/lkp-tests/wiki