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authorDavid Hildenbrand <dahi@linux.vnet.ibm.com>2016-05-31 20:06:55 +0200
committerChristian Borntraeger <borntraeger@de.ibm.com>2016-06-10 12:07:15 +0200
commitfbcb7d5157718645cc198c6be6b435ab326c1892 (patch)
tree93201e693fda3ec50d9c4a13fd4c6cc2e10f04ab /arch/s390/kvm
parent3e3c67f6a327852375247c98b0d153c44e460216 (diff)
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>
Diffstat (limited to 'arch/s390/kvm')
-rw-r--r--arch/s390/kvm/gaccess.c21
1 files changed, 6 insertions, 15 deletions
diff --git a/arch/s390/kvm/gaccess.c b/arch/s390/kvm/gaccess.c
index 61dc45ef50b9..ae9f9e8e063c 100644
--- 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;