vcpus_running
atomic_t vcpus_running;
(!hpte_is_writable(hptep1) || vcpus_running(kvm)))
if (atomic_read(&kvm->arch.vcpus_running)) {
if (atomic_read(&kvm->arch.vcpus_running)) {
return atomic_read(&kvm->arch.vcpus_running) != 0;
atomic_inc(&kvm->arch.vcpus_running);
atomic_dec(&kvm->arch.vcpus_running);
if (atomic_read(&kvm->arch.vcpus_running)) {
if (atomic_read(&kvm->arch.vcpus_running)) {