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* [rt-devel:linux-5.16.y-rt-rebase 99/124] kernel/locking/spinlock.c:306:9: error: implicit declaration of function '__raw_write_lock_nested'; did you mean '_raw_write_lock_nested'?
@ 2021-12-22 19:01 kernel test robot
  0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2021-12-22 19:01 UTC (permalink / raw)
  To: Minchan Kim; +Cc: kbuild-all, linux-kernel, Sebastian Andrzej Siewior

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-5.16.y-rt-rebase
head:   0e8d33fab0ec59ef16f32af185ba16d93b772adf
commit: c2196e27f8ef1eaff63a3b1783bf5ebab043d898 [99/124] locking/rwlocks: introduce write_lock_nested
config: nds32-randconfig-r036-20211222 (https://download.01.org/0day-ci/archive/20211223/202112230216.tS6rkbvk-lkp@intel.com/config)
compiler: nds32le-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/rt/linux-rt-devel.git/commit/?id=c2196e27f8ef1eaff63a3b1783bf5ebab043d898
        git remote add rt-devel https://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git
        git fetch --no-tags rt-devel linux-5.16.y-rt-rebase
        git checkout c2196e27f8ef1eaff63a3b1783bf5ebab043d898
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=nds32 SHELL=/bin/bash kernel/locking/

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

All errors (new ones prefixed by >>):

   kernel/locking/spinlock.c:68:17: warning: no previous prototype for '__raw_spin_lock' [-Wmissing-prototypes]
      68 | void __lockfunc __raw_##op##_lock(locktype##_t *lock)                   \
         |                 ^~~~~~
   kernel/locking/spinlock.c:126:1: note: in expansion of macro 'BUILD_LOCK_OPS'
     126 | BUILD_LOCK_OPS(spin, raw_spinlock);
         | ^~~~~~~~~~~~~~
   kernel/locking/spinlock.c:80:26: warning: no previous prototype for '__raw_spin_lock_irqsave' [-Wmissing-prototypes]
      80 | unsigned long __lockfunc __raw_##op##_lock_irqsave(locktype##_t *lock)  \
         |                          ^~~~~~
   kernel/locking/spinlock.c:126:1: note: in expansion of macro 'BUILD_LOCK_OPS'
     126 | BUILD_LOCK_OPS(spin, raw_spinlock);
         | ^~~~~~~~~~~~~~
   kernel/locking/spinlock.c:98:17: warning: no previous prototype for '__raw_spin_lock_irq' [-Wmissing-prototypes]
      98 | void __lockfunc __raw_##op##_lock_irq(locktype##_t *lock)               \
         |                 ^~~~~~
   kernel/locking/spinlock.c:126:1: note: in expansion of macro 'BUILD_LOCK_OPS'
     126 | BUILD_LOCK_OPS(spin, raw_spinlock);
         | ^~~~~~~~~~~~~~
   kernel/locking/spinlock.c:103:17: warning: no previous prototype for '__raw_spin_lock_bh' [-Wmissing-prototypes]
     103 | void __lockfunc __raw_##op##_lock_bh(locktype##_t *lock)                \
         |                 ^~~~~~
   kernel/locking/spinlock.c:126:1: note: in expansion of macro 'BUILD_LOCK_OPS'
     126 | BUILD_LOCK_OPS(spin, raw_spinlock);
         | ^~~~~~~~~~~~~~
   kernel/locking/spinlock.c:68:17: warning: no previous prototype for '__raw_read_lock' [-Wmissing-prototypes]
      68 | void __lockfunc __raw_##op##_lock(locktype##_t *lock)                   \
         |                 ^~~~~~
   kernel/locking/spinlock.c:129:1: note: in expansion of macro 'BUILD_LOCK_OPS'
     129 | BUILD_LOCK_OPS(read, rwlock);
         | ^~~~~~~~~~~~~~
   kernel/locking/spinlock.c:80:26: warning: no previous prototype for '__raw_read_lock_irqsave' [-Wmissing-prototypes]
      80 | unsigned long __lockfunc __raw_##op##_lock_irqsave(locktype##_t *lock)  \
         |                          ^~~~~~
   kernel/locking/spinlock.c:129:1: note: in expansion of macro 'BUILD_LOCK_OPS'
     129 | BUILD_LOCK_OPS(read, rwlock);
         | ^~~~~~~~~~~~~~
   kernel/locking/spinlock.c:98:17: warning: no previous prototype for '__raw_read_lock_irq' [-Wmissing-prototypes]
      98 | void __lockfunc __raw_##op##_lock_irq(locktype##_t *lock)               \
         |                 ^~~~~~
   kernel/locking/spinlock.c:129:1: note: in expansion of macro 'BUILD_LOCK_OPS'
     129 | BUILD_LOCK_OPS(read, rwlock);
         | ^~~~~~~~~~~~~~
   kernel/locking/spinlock.c:103:17: warning: no previous prototype for '__raw_read_lock_bh' [-Wmissing-prototypes]
     103 | void __lockfunc __raw_##op##_lock_bh(locktype##_t *lock)                \
         |                 ^~~~~~
   kernel/locking/spinlock.c:129:1: note: in expansion of macro 'BUILD_LOCK_OPS'
     129 | BUILD_LOCK_OPS(read, rwlock);
         | ^~~~~~~~~~~~~~
   kernel/locking/spinlock.c:68:17: warning: no previous prototype for '__raw_write_lock' [-Wmissing-prototypes]
      68 | void __lockfunc __raw_##op##_lock(locktype##_t *lock)                   \
         |                 ^~~~~~
   kernel/locking/spinlock.c:130:1: note: in expansion of macro 'BUILD_LOCK_OPS'
     130 | BUILD_LOCK_OPS(write, rwlock);
         | ^~~~~~~~~~~~~~
   kernel/locking/spinlock.c:80:26: warning: no previous prototype for '__raw_write_lock_irqsave' [-Wmissing-prototypes]
      80 | unsigned long __lockfunc __raw_##op##_lock_irqsave(locktype##_t *lock)  \
         |                          ^~~~~~
   kernel/locking/spinlock.c:130:1: note: in expansion of macro 'BUILD_LOCK_OPS'
     130 | BUILD_LOCK_OPS(write, rwlock);
         | ^~~~~~~~~~~~~~
   kernel/locking/spinlock.c:98:17: warning: no previous prototype for '__raw_write_lock_irq' [-Wmissing-prototypes]
      98 | void __lockfunc __raw_##op##_lock_irq(locktype##_t *lock)               \
         |                 ^~~~~~
   kernel/locking/spinlock.c:130:1: note: in expansion of macro 'BUILD_LOCK_OPS'
     130 | BUILD_LOCK_OPS(write, rwlock);
         | ^~~~~~~~~~~~~~
   kernel/locking/spinlock.c:103:17: warning: no previous prototype for '__raw_write_lock_bh' [-Wmissing-prototypes]
     103 | void __lockfunc __raw_##op##_lock_bh(locktype##_t *lock)                \
         |                 ^~~~~~
   kernel/locking/spinlock.c:130:1: note: in expansion of macro 'BUILD_LOCK_OPS'
     130 | BUILD_LOCK_OPS(write, rwlock);
         | ^~~~~~~~~~~~~~
   kernel/locking/spinlock.c: In function '_raw_write_lock_nested':
>> kernel/locking/spinlock.c:306:9: error: implicit declaration of function '__raw_write_lock_nested'; did you mean '_raw_write_lock_nested'? [-Werror=implicit-function-declaration]
     306 |         __raw_write_lock_nested(lock, subclass);
         |         ^~~~~~~~~~~~~~~~~~~~~~~
         |         _raw_write_lock_nested
   cc1: some warnings being treated as errors


vim +306 kernel/locking/spinlock.c

   303	
   304	void __lockfunc _raw_write_lock_nested(rwlock_t *lock, int subclass)
   305	{
 > 306		__raw_write_lock_nested(lock, subclass);
   307	}
   308	EXPORT_SYMBOL(_raw_write_lock_nested);
   309	#endif
   310	

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

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2021-12-22 19:01 [rt-devel:linux-5.16.y-rt-rebase 99/124] kernel/locking/spinlock.c:306:9: error: implicit declaration of function '__raw_write_lock_nested'; did you mean '_raw_write_lock_nested'? kernel test robot

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