[jpoimboe:klp-build 43/63] kernel/bounds.c:35:40: error: invalid application of 'sizeof' to incomplete type 'struct jump_entry'

[jpoimboe:klp-build 43/63] kernel/bounds.c:35:40: error: invalid application of 'sizeof' to incomplete type 'struct jump_entry'

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/jpoimboe/linux.git klp-build
head:   adb4071ac1d133861613cf55ff4f4d4858313258
commit: aacce3fee88ef9617ea4938a4f53b46974be7202 [43/63] x86/jump_label: Define ELF section entry size for jump labels
config: i386-buildonly-randconfig-002-20250625 (https://download.01.org/0day-ci/archive/20250625/202506251600.VKaltOhm-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250625/202506251600.VKaltOhm-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/202506251600.VKaltOhm-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from kernel/bounds.c:13:
   kernel/bounds.c: In function 'main':
>> kernel/bounds.c:35:40: error: invalid application of 'sizeof' to incomplete type 'struct jump_entry'
      35 |         DEFINE(JUMP_ENTRY_SIZE, sizeof(struct jump_entry));
         |                                        ^~~~~~
   include/linux/kbuild.h:6:69: note: in definition of macro 'DEFINE'
       6 |         asm volatile("\n.ascii \"->" #sym " %0 " #val "\"" : : "i" (val))
         |                                                                     ^~~
   make[3]: *** [scripts/Makefile.build:182: kernel/bounds.s] Error 1 shuffle=2115482694
   make[3]: Target 'prepare' not remade because of errors.
   make[2]: *** [Makefile:1274: prepare0] Error 2 shuffle=2115482694
   make[2]: Target 'prepare' not remade because of errors.
   make[1]: *** [Makefile:248: __sub-make] Error 2 shuffle=2115482694
   make[1]: Target 'prepare' not remade because of errors.
   make: *** [Makefile:248: __sub-make] Error 2 shuffle=2115482694
   make: Target 'prepare' not remade because of errors.


vim +35 kernel/bounds.c

    17	
    18	int main(void)
    19	{
    20		/* The enum constants to put into include/generated/bounds.h */
    21		DEFINE(NR_PAGEFLAGS, __NR_PAGEFLAGS);
    22		DEFINE(MAX_NR_ZONES, __MAX_NR_ZONES);
    23	#ifdef CONFIG_SMP
    24		DEFINE(NR_CPUS_BITS, order_base_2(CONFIG_NR_CPUS));
    25	#endif
    26		DEFINE(SPINLOCK_SIZE, sizeof(spinlock_t));
    27	#ifdef CONFIG_LRU_GEN
    28		DEFINE(LRU_GEN_WIDTH, order_base_2(MAX_NR_GENS + 1));
    29		DEFINE(__LRU_REFS_WIDTH, MAX_NR_TIERS - 2);
    30	#else
    31		DEFINE(LRU_GEN_WIDTH, 0);
    32		DEFINE(__LRU_REFS_WIDTH, 0);
    33	#endif
    34	#if defined(CONFIG_HAVE_ARCH_JUMP_LABEL_RELATIVE)
  > 35		DEFINE(JUMP_ENTRY_SIZE, sizeof(struct jump_entry));

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