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-rw-r--r--arch/powerpc/kvm/book3s_hv.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c
index e2183fed947d..dd9b19b1f459 100644
--- a/arch/powerpc/kvm/book3s_hv.c
+++ b/arch/powerpc/kvm/book3s_hv.c
@@ -5191,6 +5191,12 @@ static long kvm_arch_vm_ioctl_hv(struct file *filp,
case KVM_PPC_ALLOCATE_HTAB: {
u32 htab_order;
+ /* If we're a nested hypervisor, we currently only support radix */
+ if (kvmhv_on_pseries()) {
+ r = -EOPNOTSUPP;
+ break;
+ }
+
r = -EFAULT;
if (get_user(htab_order, (u32 __user *)argp))
break;