KVM: s390: gaccess: convert guest_translate_address()

Let's use our new function for preparing translation exceptions.

Signed-off-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>

diff --git a/arch/s390/kvm/gaccess.c b/arch/s390/kvm/gaccess.c
index 61dc45e..ae9f9e8 100644 (file)
--- a/arch/s390/kvm/gaccess.c
+++ b/arch/s390/kvm/gaccess.c
@@ -910,37 +910,28 @@ int access_guest_real(struct kvm_vcpu *vcpu, unsigned long gra,
 int guest_translate_address(struct kvm_vcpu *vcpu, unsigned long gva, ar_t ar,
                            unsigned long *gpa, enum gacc_mode mode)
 {
-       struct kvm_s390_pgm_info *pgm = &vcpu->arch.pgm;
        psw_t *psw = &vcpu->arch.sie_block->gpsw;
-       struct trans_exc_code_bits *tec;
        union asce asce;
        int rc;
 
        gva = kvm_s390_logical_to_effective(vcpu, gva);
-       tec = (struct trans_exc_code_bits *)&pgm->trans_exc_code;
        rc = get_vcpu_asce(vcpu, &asce, gva, ar, mode);
-       tec->addr = gva >> PAGE_SHIFT;
        if (rc)
                return rc;
        if (is_low_address(gva) && low_address_protection_enabled(vcpu, asce)) {
-               if (mode == GACC_STORE) {
-                       rc = pgm->code = PGM_PROTECTION;
-                       return rc;
-               }
+               if (mode == GACC_STORE)
+                       return trans_exc(vcpu, PGM_PROTECTION, gva, 0,
+                                        mode, PROT_TYPE_LA);
        }
 
        if (psw_bits(*psw).t && !asce.r) {      /* Use DAT? */
                rc = guest_translate(vcpu, gva, gpa, asce, mode);
-               if (rc > 0) {
-                       if (rc == PGM_PROTECTION)
-                               tec->b61 = 1;
-                       pgm->code = rc;
-               }
+               if (rc > 0)
+                       return trans_exc(vcpu, rc, gva, 0, mode, PROT_TYPE_DAT);
        } else {
-               rc = 0;
                *gpa = kvm_s390_real_to_abs(vcpu, gva);
                if (kvm_is_error_gpa(vcpu->kvm, *gpa))
-                       rc = pgm->code = PGM_ADDRESSING;
+                       return trans_exc(vcpu, rc, gva, PGM_ADDRESSING, mode, 0);
        }
 
        return rc;