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-rw-r--r--arch/powerpc/mm/init_64.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/powerpc/mm/init_64.c b/arch/powerpc/mm/init_64.c
index 93abf8a9813d..8e1588021d1c 100644
--- a/arch/powerpc/mm/init_64.c
+++ b/arch/powerpc/mm/init_64.c
@@ -347,7 +347,8 @@ early_param("disable_radix", parse_disable_radix);
void __init mmu_early_init_devtree(void)
{
/* Disable radix mode based on kernel command line. */
- if (disable_radix)
+ /* We don't yet have the machinery to do radix as a guest. */
+ if (disable_radix || !(mfmsr() & MSR_HV))
cur_cpu_spec->mmu_features &= ~MMU_FTR_TYPE_RADIX;
if (early_radix_enabled())