KVM: s390: fix virtual vs physical address confusion

Fix virtual vs physical address confusion. This does not fix a bug
since virtual and physical address spaces are currently the same.
Suggested-by: Janosch Frank <frankja@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
Acked-by: Janosch Frank <frankja@linux.ibm.com>
Acked-by: Anthony Krowiak <akrowiak@linux.ibm.com>
Signed-off-by: Janosch Frank <frankja@linux.ibm.com>

arch/s390/kvm/kvm-s390.c

@@ -3153,7 +3153,7 @@ static int kvm_s390_apxa_installed(void)
  */
 static void kvm_s390_set_crycb_format(struct kvm *kvm)
 {
-	kvm->arch.crypto.crycbd = (__u32)(unsigned long) kvm->arch.crypto.crycb;
+	kvm->arch.crypto.crycbd = virt_to_phys(kvm->arch.crypto.crycb);
 
 	/* Clear the CRYCB format bits - i.e., set format 0 by default */
 	kvm->arch.crypto.crycbd &= ~(CRYCB_FORMAT_MASK);