KVM: s390: Removed SIE_INTERCEPT_UCONTROL

The SIE_INTERCEPT_UCONTROL can be removed by moving the related code
from kvm_arch_vcpu_ioctl_run() to vcpu_post_run().

Signed-off-by: Thomas Huth <thuth@linux.vnet.ibm.com>
Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>

2 files changed, 6 insertions, 20 deletions

diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index 569494e01ec6..7f4783525144 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -732,14 +732,12 @@ static int vcpu_post_run(struct kvm_vcpu *vcpu, int exit_reason)
 
         if (exit_reason >= 0) {
                 rc = 0;
-        } else {
-                if (kvm_is_ucontrol(vcpu->kvm)) {
-                        rc = SIE_INTERCEPT_UCONTROL;
-                } else {
-                        VCPU_EVENT(vcpu, 3, "%s", "fault in sie instruction");
-                        trace_kvm_s390_sie_fault(vcpu);
-                        rc = kvm_s390_inject_program_int(vcpu, PGM_ADDRESSING);
-                }
+        } else if (kvm_is_ucontrol(vcpu->kvm)) {
+                vcpu->run->exit_reason = KVM_EXIT_S390_UCONTROL;
+                vcpu->run->s390_ucontrol.trans_exc_code =
+                                                current->thread.gmap_addr;
+                vcpu->run->s390_ucontrol.pgm_code = 0x10;
+                rc = -EREMOTE;
         }
 
         memcpy(&vcpu->run->s.regs.gprs[14], &vcpu->arch.sie_block->gg14, 16);
@@ -833,16 +831,6 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
                 rc = -EINTR;
         }
 
-#ifdef CONFIG_KVM_S390_UCONTROL
-        if (rc == SIE_INTERCEPT_UCONTROL) {
-                kvm_run->exit_reason = KVM_EXIT_S390_UCONTROL;
-                kvm_run->s390_ucontrol.trans_exc_code =
-                        current->thread.gmap_addr;
-                kvm_run->s390_ucontrol.pgm_code = 0x10;
-                rc = 0;
-        }
-#endif
-
         if (rc == -EOPNOTSUPP) {
                 /* intercept cannot be handled in-kernel, prepare kvm-run */
                 kvm_run->exit_reason         = KVM_EXIT_S390_SIEIC;
diff --git a/arch/s390/kvm/kvm-s390.h b/arch/s390/kvm/kvm-s390.h
index b44912a32949..aad541fc9098 100644
--- a/arch/s390/kvm/kvm-s390.h
+++ b/arch/s390/kvm/kvm-s390.h
@@ -27,8 +27,6 @@ typedef int (*intercept_handler_t)(struct kvm_vcpu *vcpu);
 /* declare vfacilities extern */
 extern unsigned long *vfacilities;
 
-/* negativ values are error codes, positive values for internal conditions */
-#define SIE_INTERCEPT_UCONTROL          (1<<0)
 int kvm_handle_sie_intercept(struct kvm_vcpu *vcpu);
 
 #define VM_EVENT(d_kvm, d_loglevel, d_string, d_args...)\