39 static struct kvm_s390_gib *gib;  variable
234  * of the GISA if the GISA is not part of the GIB alert list. All three
3117 		origin = xchg(&gib->alert_list_origin,  in process_gib_alert_list()
3188  * in case the GISA is not part of the GIB alert list.
3192  * Returns: the nonspecific ISC (NISC) the gib alert mechanism
3214 	return gib->nisc;  in kvm_s390_gisc_register()
3226  * in case the GISA is not part of the GIB alert list.
3230  * Returns: the nonspecific ISC (NISC) the gib alert mechanism
3276 	if (!gib)  in kvm_s390_gib_destroy()
3280 	free_page((unsigned long)gib);  in kvm_s390_gib_destroy()
3281 	gib = NULL;  in kvm_s390_gib_destroy()
3289 		KVM_EVENT(3, "%s", "gib not initialized, no AIV facility");  in kvm_s390_gib_init()
3293 	gib = (struct kvm_s390_gib *)get_zeroed_page(GFP_KERNEL | GFP_DMA);  in kvm_s390_gib_init()
3294 	if (!gib) {  in kvm_s390_gib_init()
3301 		pr_err("Registering the GIB alert interruption handler failed\n");  in kvm_s390_gib_init()
3306 	gib->nisc = nisc;  in kvm_s390_gib_init()
3307 	if (chsc_sgib((u32)(u64)gib)) {  in kvm_s390_gib_init()
3308 		pr_err("Associating the GIB with the AIV facility failed\n");  in kvm_s390_gib_init()
3309 		free_page((unsigned long)gib);  in kvm_s390_gib_init()
3310 		gib = NULL;  in kvm_s390_gib_init()
3315 	KVM_EVENT(3, "gib 0x%pK (nisc=%d) initialized", gib, gib->nisc);  in kvm_s390_gib_init()
3321 	free_page((unsigned long)gib);  in kvm_s390_gib_init()
3322 	gib = NULL;  in kvm_s390_gib_init()