[rcu:dev.2019.07.31a 66/123] drivers/base/core.c:102:9: error: implicit declaration of function 'lock_is_held'; did you mean 'lockref_get'?

[kbuild test robot]

tree:   https://kernel.googlesource.com/pub/scm/linux/kernel/git/paulmck/linux-rcu.git dev.2019.07.31a
head:   71cf692f482ff45802352cf85a8880035fca9e52
commit: c9e4d3a2fee806436d2ad6f2cbccd3de25681a9d [66/123] acpi: Use built-in RCU list checking for acpi_ioremaps list
config: powerpc-allnoconfig (attached as .config)
compiler: powerpc-linux-gcc (GCC) 7.4.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout c9e4d3a2fee806436d2ad6f2cbccd3de25681a9d
        # save the attached .config to linux build tree
        GCC_VERSION=7.4.0 make.cross ARCH=powerpc 

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>):

   drivers/base/core.c: In function 'device_links_read_lock_held':
>> drivers/base/core.c:102:9: error: implicit declaration of function 'lock_is_held'; did you mean 'lockref_get'? [-Werror=implicit-function-declaration]
     return lock_is_held(&device_links_lock);
            ^~~~~~~~~~~~
            lockref_get
   cc1: some warnings being treated as errors

vim +102 drivers/base/core.c

    99	
   100	int device_links_read_lock_held(void)
   101	{
 > 102		return lock_is_held(&device_links_lock);
   103	}
   104	#endif /* !CONFIG_SRCU */
   105	

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