powerpc/kvm: Force selection of CONFIG_PPC_FPU

book3s/32 kvm is designed with the assumption that
an FPU is always present.

Force selection of FPU support in the kernel when
build KVM.

Fixes: 7d68c8916950 ("powerpc/32s: Allow deselecting CONFIG_PPC_FPU on mpc832x")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/74461a99fa1466f361532ca794ca0753be3d9f86.1611038044.git.christophe.leroy@csgroup.eu

diff --git a/arch/powerpc/kvm/Kconfig b/arch/powerpc/kvm/Kconfig
index 549591d..e456446 100644 (file)
--- a/arch/powerpc/kvm/Kconfig
+++ b/arch/powerpc/kvm/Kconfig
@@ -54,6 +54,7 @@ config KVM_BOOK3S_32
        select KVM
        select KVM_BOOK3S_32_HANDLER
        select KVM_BOOK3S_PR_POSSIBLE
+       select PPC_FPU
        help
          Support running unmodified book3s_32 guest kernels
          in virtual machines on book3s_32 host processors.