KVM: s390: Fix program check on interrupt delivery handling

[linux-2.6-block.git] / arch / s390 / kvm / interrupt.c

diff --git a/arch/s390/kvm/interrupt.c b/arch/s390/kvm/interrupt.c
index 11230b0db957e3f8d5c3cbea6016bd9d917f0760..2960702b48246488087546669b1459524ead2958 100644 (file)
--- a/arch/s390/kvm/interrupt.c
+++ b/arch/s390/kvm/interrupt.c
@@ -13,6 +13,7 @@
 #include <asm/lowcore.h>
 #include <asm/uaccess.h>
 #include <linux/kvm_host.h>
+#include <linux/signal.h>
 #include "kvm-s390.h"
 #include "gaccess.h"
 
@@ -246,15 +247,10 @@ static void __do_deliver_interrupt(struct kvm_vcpu *vcpu,
        default:
                BUG();
        }
-
        if (exception) {
-               VCPU_EVENT(vcpu, 1, "%s", "program exception while delivering"
-                          " interrupt");
-               kvm_s390_inject_program_int(vcpu, PGM_ADDRESSING);
-               if (inti->type == KVM_S390_PROGRAM_INT) {
-                       printk(KERN_WARNING "kvm: recursive program check\n");
-                       BUG();
-               }
+               printk("kvm: The guest lowcore is not mapped during interrupt "
+                       "delivery, killing userspace\n");
+               do_exit(SIGKILL);
        }
 }
 
@@ -277,14 +273,11 @@ static int __try_deliver_ckc_interrupt(struct kvm_vcpu *vcpu)
                __LC_EXT_NEW_PSW, sizeof(psw_t));
        if (rc == -EFAULT)
                exception = 1;
-
        if (exception) {
-               VCPU_EVENT(vcpu, 1, "%s", "program exception while delivering" \
-                          " ckc interrupt");
-               kvm_s390_inject_program_int(vcpu, PGM_ADDRESSING);
-               return 0;
+               printk("kvm: The guest lowcore is not mapped during interrupt "
+                       "delivery, killing userspace\n");
+               do_exit(SIGKILL);
        }
-
        return 1;
 }