From: Christian Borntraeger <borntrae...@de.ibm.com>
This patch fixes the SET PREFIX interrupt if triggered by userspace.
Until now, it was not necessary, but life migration will need it. In
addition, it helped me creating SMP support for my kvm_crashme tool
(lets kvm execute random guest memory content).
Signed-off-by: Christian Borntraeger <borntrae...@de.ibm.com>
---
arch/s390/kvm/interrupt.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
Index: kvm/arch/s390/kvm/interrupt.c
===================================================================
--- kvm.orig/arch/s390/kvm/interrupt.c
+++ kvm/arch/s390/kvm/interrupt.c
@@ -555,9 +555,14 @@ int kvm_s390_inject_vcpu(struct kvm_vcpu
VCPU_EVENT(vcpu, 3, "inject: program check %d (from user)",
s390int->parm);
break;
+ case KVM_S390_SIGP_SET_PREFIX:
+ inti->prefix.address = s390int->parm;
+ inti->type = s390int->type;
+ VCPU_EVENT(vcpu, 3, "inject: set prefix to %x (from user)",
+ s390int->parm);
+ break;
case KVM_S390_SIGP_STOP:
case KVM_S390_RESTART:
- case KVM_S390_SIGP_SET_PREFIX:
case KVM_S390_INT_EMERGENCY:
VCPU_EVENT(vcpu, 3, "inject: type %x", s390int->type);
inti->type = s390int->type;
--
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