ref_lock 831 arch/s390/include/asm/kvm_host.h spinlock_t ref_lock; ref_lock 3090 arch/s390/kvm/interrupt.c spin_lock_init(&gi->alert.ref_lock); ref_lock 3140 arch/s390/kvm/interrupt.c spin_lock(&gi->alert.ref_lock); ref_lock 3146 arch/s390/kvm/interrupt.c spin_unlock(&gi->alert.ref_lock); ref_lock 3180 arch/s390/kvm/interrupt.c spin_lock(&gi->alert.ref_lock); ref_lock 3191 arch/s390/kvm/interrupt.c spin_unlock(&gi->alert.ref_lock);