[linux-next:master 10381/10451] kernel/rcu/rcu.h:138:undefined reference to `csd_lock_is_stuck'

[linux-next:master 10381/10451] kernel/rcu/rcu.h:138:undefined reference to `csd_lock_is_stuck'

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   0b58e108042b0ed28a71cd7edf5175999955b233
commit: eb52b064da252ef2ecc1fd112ebd3f687f9affd5 [10381/10451] Merge branch 'non-rcu/next' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git
config: riscv-randconfig-r133-20240211 (https://download.01.org/0day-ci/archive/20240703/202407031919.QUBn1G5D-lkp@intel.com/config)
compiler: riscv64-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240703/202407031919.QUBn1G5D-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/202407031919.QUBn1G5D-lkp@intel.com/

All errors (new ones prefixed by >>):

   riscv64-linux-ld: kernel/rcu/tree.o: in function `sync_rcu_exp_done':
   kernel/rcu/tree_exp.h:155:(.text+0xd0c): undefined reference to `csd_lock_is_stuck'
   riscv64-linux-ld: kernel/rcu/tree.o: in function `rcu_seq_current':
>> kernel/rcu/rcu.h:138:(.text+0x3222): undefined reference to `csd_lock_is_stuck'


vim +138 kernel/rcu/rcu.h

2e8c28c2dd96c6 Paul E. McKenney 2017-02-20  134  
8660b7d8a54522 Paul E. McKenney 2017-03-13  135  /* Return the current value the update side's sequence number, no ordering. */
8660b7d8a54522 Paul E. McKenney 2017-03-13  136  static inline unsigned long rcu_seq_current(unsigned long *sp)
8660b7d8a54522 Paul E. McKenney 2017-03-13  137  {
8660b7d8a54522 Paul E. McKenney 2017-03-13 @138  	return READ_ONCE(*sp);
8660b7d8a54522 Paul E. McKenney 2017-03-13  139  }
8660b7d8a54522 Paul E. McKenney 2017-03-13  140  

:::::: The code at line 138 was first introduced by commit
:::::: 8660b7d8a545227fd9ee80508aa82528ea9947d7 srcu: Use rcu_segcblist to track SRCU callbacks

:::::: TO: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
:::::: CC: Paul E. McKenney <paulmck@linux.vnet.ibm.com>

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