powerpc/kvm tree build failure

[Stephen Rothwell]

Hi all,

A powerpc allmodconfig fails like this:

arch/powerpc/kvm/built-in.o:(.toc1+0x18): undefined reference to `kvm_debugfs_dir'

This is because CONFIG_KVM_EXIT_TIMING is a bool while
CONFIG_KVM_BOOK3S_64 is tristate. This causes arch/powerpc/kvm/timing.o
(which references kvm_debugfs_dir) to be built in, but
virt/kvm/kvm_main.o (which defines it) to be modular.

-- 
Cheers,
Stephen Rothwell                    sfr at canb.auug.org.au
http://www.canb.auug.org.au/~sfr/
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