{
union hv_stimer_config new_config = {.as_uint64 = config},
old_config = {.as_uint64 = stimer->config.as_uint64};
+ struct kvm_vcpu *vcpu = stimer_to_vcpu(stimer);
+ struct kvm_vcpu_hv_synic *synic = vcpu_to_synic(vcpu);
+
+ if (!synic->active && !host)
+ return 1;
trace_kvm_hv_stimer_set_config(stimer_to_vcpu(stimer)->vcpu_id,
stimer->index, config, host);
static int stimer_set_count(struct kvm_vcpu_hv_stimer *stimer, u64 count,
bool host)
{
+ struct kvm_vcpu *vcpu = stimer_to_vcpu(stimer);
+ struct kvm_vcpu_hv_synic *synic = vcpu_to_synic(vcpu);
+
+ if (!synic->active && !host)
+ return 1;
+
trace_kvm_hv_stimer_set_count(stimer_to_vcpu(stimer)->vcpu_id,
stimer->index, count, host);
ret = kvm_hvcall_signal_event(vcpu, fast, ingpa);
if (ret != HV_STATUS_INVALID_PORT_ID)
break;
- /* fall through - maybe userspace knows this conn_id. */
+ fallthrough; /* maybe userspace knows this conn_id */
case HVCALL_POST_MESSAGE:
/* don't bother userspace if it has no way to handle it */
if (unlikely(rep || !vcpu_to_synic(vcpu)->active)) {