diff options
Diffstat (limited to 'arch/s390/kvm/intercept.c')
| -rw-r--r-- | arch/s390/kvm/intercept.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/arch/s390/kvm/intercept.c b/arch/s390/kvm/intercept.c index 81c77ab8102e..08e01acc13c3 100644 --- a/arch/s390/kvm/intercept.c +++ b/arch/s390/kvm/intercept.c @@ -68,18 +68,23 @@ static int handle_noop(struct kvm_vcpu *vcpu) static int handle_stop(struct kvm_vcpu *vcpu) { + struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; int rc = 0; - unsigned int action_bits; + uint8_t flags, stop_pending; vcpu->stat.exit_stop_request++; - trace_kvm_s390_stop_request(vcpu->arch.local_int.action_bits); - action_bits = vcpu->arch.local_int.action_bits; + /* avoid races with the injection/SIGP STOP code */ + spin_lock(&li->lock); + flags = li->irq.stop.flags; + stop_pending = kvm_s390_is_stop_irq_pending(vcpu); + spin_unlock(&li->lock); - if (!(action_bits & ACTION_STOP_ON_STOP)) + trace_kvm_s390_stop_request(stop_pending, flags); + if (!stop_pending) return 0; - if (action_bits & ACTION_STORE_ON_STOP) { + if (flags & KVM_S390_STOP_FLAG_STORE_STATUS) { rc = kvm_s390_vcpu_store_status(vcpu, KVM_S390_STORE_STATUS_NOADDR); if (rc) |