KVM: PPC: Make use of hash based Shadow MMU

We just introduced generic functions to handle shadow pages on PPC.
This patch makes the respective backends make use of them, getting
rid of a lot of duplicate code along the way.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>

arch/powerpc/kvm/book3s.c

@@ -1384,12 +1384,22 @@ int __kvmppc_vcpu_run(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu)
 
 static int kvmppc_book3s_init(void)
 {
-	return kvm_init(NULL, sizeof(struct kvmppc_vcpu_book3s), 0,
-			THIS_MODULE);
+	int r;
+
+	r = kvm_init(NULL, sizeof(struct kvmppc_vcpu_book3s), 0,
+		     THIS_MODULE);
+
+	if (r)
+		return r;
+
+	r = kvmppc_mmu_hpte_sysinit();
+
+	return r;
 }
 
 static void kvmppc_book3s_exit(void)
 {
+	kvmppc_mmu_hpte_sysexit();
 	kvm_exit();
 }