arch/x86/events/intel/core.c:4145:1: sparse: symbol 'dev_attr_allow_tsx_force_abort' was not declared. Should it be static?

[kbuild test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   5453a3df2a5eb49bc24615d4cf0d66b2aae05e5f
commit: 400816f60c543153656ac74eaf7f36f6b7202378 perf/x86/intel: Implement support for TSX Force Abort
date:   7 days ago
reproduce:
        # apt-get install sparse
        git checkout 400816f60c543153656ac74eaf7f36f6b7202378
        make ARCH=x86_64 allmodconfig
        make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'


sparse warnings: (new ones prefixed by >>)


Please review and possibly fold the followup patch.

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