diff options
| -rw-r--r-- | hw/kvm/clock.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/hw/kvm/clock.c b/hw/kvm/clock.c index 446bd62176..824b978397 100644 --- a/hw/kvm/clock.c +++ b/hw/kvm/clock.c @@ -65,9 +65,25 @@ static void kvmclock_vm_state_change(void *opaque, int running, RunState state) { KVMClockState *s = opaque; + CPUArchState *penv = first_cpu; + int cap_clock_ctrl = kvm_check_extension(kvm_state, KVM_CAP_KVMCLOCK_CTRL); + int ret; if (running) { s->clock_valid = false; + + if (!cap_clock_ctrl) { + return; + } + for (penv = first_cpu; penv != NULL; penv = penv->next_cpu) { + ret = kvm_vcpu_ioctl(penv, KVM_KVMCLOCK_CTRL, 0); + if (ret) { + if (ret != -EINVAL) { + fprintf(stderr, "%s: %s\n", __func__, strerror(-ret)); + } + return; + } + } } } |