KVM: PPC: Pass init/destroy vm and prepare/commit memory region ops down

This arranges for the top-level arch/powerpc/kvm/powerpc.c file to
pass down some of the calls it gets to the lower-level subarchitecture
specific code.  The lower-level implementations (in booke.c and book3s.c)
are no-ops.  The coming book3s_hv.c will need this.

Signed-off-by: Paul Mackerras <paulus@samba.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c
index 24e2b64..0c80e15 100644
--- a/arch/powerpc/kvm/powerpc.c
+++ b/arch/powerpc/kvm/powerpc.c
@@ -148,7 +148,7 @@
 
 int kvm_arch_init_vm(struct kvm *kvm)
 {
-	return 0;
+	return kvmppc_core_init_vm(kvm);
 }
 
 void kvm_arch_destroy_vm(struct kvm *kvm)
@@ -164,6 +164,9 @@
 		kvm->vcpus[i] = NULL;
 
 	atomic_set(&kvm->online_vcpus, 0);
+
+	kvmppc_core_destroy_vm(kvm);
+
 	mutex_unlock(&kvm->lock);
 }
 
@@ -212,7 +215,7 @@
                                    struct kvm_userspace_memory_region *mem,
                                    int user_alloc)
 {
-	return 0;
+	return kvmppc_core_prepare_memory_region(kvm, mem);
 }
 
 void kvm_arch_commit_memory_region(struct kvm *kvm,
@@ -220,7 +223,7 @@
                struct kvm_memory_slot old,
                int user_alloc)
 {
-       return;
+	kvmppc_core_commit_memory_region(kvm, mem);
 }