124 kern_syscall_register(struct sysent *sysents, int *offset,  in kern_syscall_register()  argument
134 			if (sysents[i].sy_call == (sy_call_t *)lkmnosys)  in kern_syscall_register()
141 	} else if (sysents[*offset].sy_call != (sy_call_t *)lkmnosys &&  in kern_syscall_register()
142 	    sysents[*offset].sy_call != (sy_call_t *)lkmressys) {  in kern_syscall_register()
143 		KASSERT(sysents[*offset].sy_call != NULL,  in kern_syscall_register()
148 	KASSERT(sysents[*offset].sy_thrcnt == SY_THR_ABSENT,  in kern_syscall_register()
150 	*old_sysent = sysents[*offset];  in kern_syscall_register()
152 	sysents[*offset] = *new_sysent;  in kern_syscall_register()
153 	atomic_store_rel_32(&sysents[*offset].sy_thrcnt, flags);  in kern_syscall_register()
158 kern_syscall_deregister(struct sysent *sysents, int offset,  in kern_syscall_deregister()  argument
166 	se = &sysents[offset];  in kern_syscall_deregister()
170 	sysents[offset] = *old_sysent;  in kern_syscall_deregister()
182 kern_syscall_module_handler(struct sysent *sysents, struct module *mod,  in kern_syscall_module_handler()  argument
192 		error = kern_syscall_register(sysents, data->offset,  in kern_syscall_module_handler()
219 		error = kern_syscall_deregister(sysents, *data->offset,  in kern_syscall_module_handler()
239 kern_syscall_helper_register(struct sysent *sysents,  in kern_syscall_helper_register()  argument
246 		error = kern_syscall_register(sysents, &sd1->syscall_no,  in kern_syscall_helper_register()
249 			kern_syscall_helper_unregister(sysents, sd);  in kern_syscall_helper_register()
265 kern_syscall_helper_unregister(struct sysent *sysents,  in kern_syscall_helper_unregister()  argument
271 		kern_syscall_deregister(sysents, sd1->syscall_no,  in kern_syscall_helper_unregister()