security/yama/yama_lsm.o: warning: objtool: report_access()+0x210: function has unreachable instruction

[kbuild test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   47ef4ad2684d380dd6d596140fb79395115c3950
commit: dca6b4149181baaa363b9a7ce7c550840bb3bc83 Yama: fix double-spinlock and user access in atomic context
date:   8 weeks ago
config: x86_64-randconfig-s2-07191718 (attached as .config)
compiler: gcc-4.4 (Debian 4.4.7-8) 4.4.7
reproduce:
        git checkout dca6b4149181baaa363b9a7ce7c550840bb3bc83
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All warnings (new ones prefixed by >>):

>> security/yama/yama_lsm.o: warning: objtool: report_access()+0x210: function has unreachable instruction

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