[mips-linux:test-kexec 13/18] machine_kexec.c:undefined reference to `play_dead'

[kbuild test robot <lkp@xxxxxxxxx>]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/mips/linux.git test-kexec
head:   692b5ba2cefd68fed5b5b5b63f04f35c829f878a
commit: dcecc14a03ba357225d16d2f7bdc2f846980f05e [13/18] MIPS: kexec: Let the new kernel handle all CPUs
config: mips-nlm_xlr_defconfig (attached as .config)
compiler: mips-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout dcecc14a03ba357225d16d2f7bdc2f846980f05e
        # save the attached .config to linux build tree
        GCC_VERSION=7.2.0 make.cross ARCH=mips 

All errors (new ones prefixed by >>):

   arch/mips/kernel/machine_kexec.o: In function `kexec_this_cpu':
>> machine_kexec.c:(.text+0x80): undefined reference to `play_dead'

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0-DAY kernel test infrastructure                Open Source Technology Center
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