KVM: make MMU_DEBUG compile again

the cr3 variable is now inside the vcpu->arch structure.
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>

arch/x86/kvm/mmu.c

@@ -1182,7 +1182,7 @@ void kvm_mmu_flush_tlb(struct kvm_vcpu *vcpu)
 
 static void paging_new_cr3(struct kvm_vcpu *vcpu)
 {
-	pgprintk("%s: cr3 %lx\n", __FUNCTION__, vcpu->cr3);
+	pgprintk("%s: cr3 %lx\n", __FUNCTION__, vcpu->arch.cr3);
 	mmu_free_roots(vcpu);
 }
 

arch/x86/kvm/paging_tmpl.h

@@ -143,7 +143,7 @@ static int FNAME(walk_addr)(struct guest_walker *walker,
 	}
 #endif
 	ASSERT((!is_long_mode(vcpu) && is_pae(vcpu)) ||
-	       (vcpu->cr3 & CR3_NONPAE_RESERVED_BITS) == 0);
+	       (vcpu->arch.cr3 & CR3_NONPAE_RESERVED_BITS) == 0);
 
 	pt_access = ACC_ALL;