kvm_cpu__run
vcpu_fd へKVM_RUNしてるだけ
code:kvm-cpu.c
void kvm_cpu__run(struct kvm_cpu *vcpu)
{
int err;
if (!vcpu->is_running)
return;
err = ioctl(vcpu->vcpu_fd, KVM_RUN, 0);
if (err < 0 && (errno != EINTR && errno != EAGAIN))
die_perror("KVM_RUN failed");
}