linux-kernel - [arnd-playground:randconfig-5.16-next 137/151] include/asm-generic/futex.h:17:9: error: implicit declaration of function 'futex_atomic_cmpxchg_inatomic_local_generic'; did you mean 'futex_atomic_cmpxchg_inatomic

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Message-ID: <202110300551.LJI8JzbX-lkp@intel.com>
Date:   Sat, 30 Oct 2021 05:05:59 +0800
From:   kernel test robot <lkp@...el.com>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: [arnd-playground:randconfig-5.16-next 137/151]
 include/asm-generic/futex.h:17:9: error: implicit declaration of function
 'futex_atomic_cmpxchg_inatomic_local_generic'; did you mean
 'futex_atomic_cmpxchg_inatomic_local'?

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/arnd/playground.git randconfig-5.16-next
head:   d18f89e8161c4cf63dd554521b305dd3374b52b3
commit: 2db331c581c8cc2f8742223470ca5cdd8d7fc312 [137/151] [SUBMITTED 20211026] futex: ensure futex_atomic_cmpxchg_inatomic() is present
config: nios2-buildonly-randconfig-r005-20211028 (attached as .config)
compiler: nios2-linux-gcc (GCC) 11.2.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://git.kernel.org/pub/scm/linux/kernel/git/arnd/playground.git/commit/?id=2db331c581c8cc2f8742223470ca5cdd8d7fc312
        git remote add arnd-playground https://git.kernel.org/pub/scm/linux/kernel/git/arnd/playground.git
        git fetch --no-tags arnd-playground randconfig-5.16-next
        git checkout 2db331c581c8cc2f8742223470ca5cdd8d7fc312
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=nios2 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>

All errors (new ones prefixed by >>):

   In file included from ./arch/nios2/include/generated/asm/futex.h:1,
                    from kernel/futex/futex.h:12,
                    from kernel/futex/core.c:41:
   kernel/futex/core.c: In function 'futex_cmpxchg_value_locked':
>> include/asm-generic/futex.h:17:9: error: implicit declaration of function 'futex_atomic_cmpxchg_inatomic_local_generic'; did you mean 'futex_atomic_cmpxchg_inatomic_local'? [-Werror=implicit-function-declaration]
      17 |         futex_atomic_cmpxchg_inatomic_local_generic(uval, uaddr, oldval, newval)
         |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/asm-generic/futex.h:17:9: note: in definition of macro 'futex_atomic_cmpxchg_inatomic'
      17 |         futex_atomic_cmpxchg_inatomic_local_generic(uval, uaddr, oldval, newval)
         |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   cc1: all warnings being treated as errors
--
   In file included from ./arch/nios2/include/generated/asm/futex.h:1,
                    from kernel/futex/futex.h:12,
                    from kernel/futex/waitwake.c:7:
   kernel/futex/waitwake.c: In function 'futex_atomic_op_inuser':
>> include/asm-generic/futex.h:19:9: error: implicit declaration of function 'arch_futex_atomic_op_inuser_local_generic'; did you mean 'futex_atomic_op_inuser_local'? [-Werror=implicit-function-declaration]
      19 |         arch_futex_atomic_op_inuser_local_generic(op, oparg, oval, uaddr)
         |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/asm-generic/futex.h:19:9: note: in definition of macro 'arch_futex_atomic_op_inuser'
      19 |         arch_futex_atomic_op_inuser_local_generic(op, oparg, oval, uaddr)
         |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   cc1: all warnings being treated as errors


vim +17 include/asm-generic/futex.h

     8	
     9	#ifndef futex_atomic_cmpxchg_inatomic
    10	#ifndef CONFIG_SMP
    11	/*
    12	 * The following implementation only for uniprocessor machines.
    13	 * It relies on preempt_disable() ensuring mutual exclusion.
    14	 *
    15	 */
    16	#define futex_atomic_cmpxchg_inatomic(uval, uaddr, oldval, newval) \
  > 17		futex_atomic_cmpxchg_inatomic_local_generic(uval, uaddr, oldval, newval)
    18	#define arch_futex_atomic_op_inuser(op, oparg, oval, uaddr) \
  > 19		arch_futex_atomic_op_inuser_local_generic(op, oparg, oval, uaddr)
    20	#endif /* CONFIG_SMP */
    21	#endif
    22	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

Download attachment ".config.gz" of type "application/gzip" (40352 bytes)