KVM: s390: gaccess: introduce access modes

We will need special handling when fetching instructions, so let's
introduce new guest access modes GACC_FETCH and GACC_STORE instead
of a write flag. An additional patch will then introduce GACC_IFETCH.

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

1 files changed, 2 insertions, 2 deletions

diff --git a/arch/s390/kvm/intercept.c b/arch/s390/kvm/intercept.c
index 7f992e02124a..44bb923a6482 100644
--- a/arch/s390/kvm/intercept.c
+++ b/arch/s390/kvm/intercept.c
@@ -317,7 +317,7 @@ static int handle_mvpg_pei(struct kvm_vcpu *vcpu)
 
         /* Make sure that the source is paged-in */
         rc = guest_translate_address(vcpu, vcpu->run->s.regs.gprs[reg2],
-                                     reg2, &srcaddr, 0);
+                                     reg2, &srcaddr, GACC_FETCH);
         if (rc)
                 return kvm_s390_inject_prog_cond(vcpu, rc);
         rc = kvm_arch_fault_in_page(vcpu, srcaddr, 0);
@@ -326,7 +326,7 @@ static int handle_mvpg_pei(struct kvm_vcpu *vcpu)
 
         /* Make sure that the destination is paged-in */
         rc = guest_translate_address(vcpu, vcpu->run->s.regs.gprs[reg1],
-                                     reg1, &dstaddr, 1);
+                                     reg1, &dstaddr, GACC_STORE);
         if (rc)
                 return kvm_s390_inject_prog_cond(vcpu, rc);
         rc = kvm_arch_fault_in_page(vcpu, dstaddr, 1);