VCPU states have to be reported to the ultravisor for SIGP
interpretation.
Signed-off-by: Janosch Frank <frankja@xxxxxxxxxxxxx>
---
arch/s390/kvm/kvm-s390.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index d8ee3a98e961..ba6144fdb5d1 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -4439,7 +4439,8 @@ void kvm_s390_vcpu_start(struct kvm_vcpu *vcpu)
*/
__disable_ibs_on_all_vcpus(vcpu->kvm);
}
-
+ /* Let's tell the UV that we want to start again */
+ kvm_s390_pv_set_cpu_state(vcpu, PV_CPU_STATE_OPR);
kvm_s390_clear_cpuflags(vcpu, CPUSTAT_STOPPED);
/*
* Another VCPU might have used IBS while we were offline.
@@ -4467,6 +4468,8 @@ void kvm_s390_vcpu_stop(struct kvm_vcpu *vcpu)
kvm_s390_clear_stop_irq(vcpu);
kvm_s390_set_cpuflags(vcpu, CPUSTAT_STOPPED);
+ /* Let's tell the UV that we successfully stopped the vcpu */
+ kvm_s390_pv_set_cpu_state(vcpu, PV_CPU_STATE_STP);
__disable_ibs_on_vcpu(vcpu);
for (i = 0; i < online_vcpus; i++) {
--
2.20.1
