153 static void scf_add_to_free_list(struct scf_check *scfcp)  in scf_add_to_free_list()  argument
158 	if (!scfcp)  in scf_add_to_free_list()
162 	llist_add(&scfcp->scf_node, pool);  in scf_add_to_free_list()
169 	struct scf_check *scfcp;  in scf_cleanup_free_list()  local
174 		scfcp = llist_entry(node, struct scf_check, scf_node);  in scf_cleanup_free_list()
176 		kfree(scfcp);  in scf_cleanup_free_list()
292 	struct scf_check *scfcp = scfc_in;  in scf_handler()  local
294 	if (likely(scfcp)) {  in scf_handler()
295 		WRITE_ONCE(scfcp->scfc_out, false); // For multiple receivers.  in scf_handler()
296 		if (WARN_ON_ONCE(unlikely(!READ_ONCE(scfcp->scfc_in))))  in scf_handler()
321 	if (unlikely(!scfcp))  in scf_handler()
323 	if (scfcp->scfc_wait) {  in scf_handler()
324 		WRITE_ONCE(scfcp->scfc_out, true);  in scf_handler()
325 		if (scfcp->scfc_rpc)  in scf_handler()
326 			complete(&scfcp->scfc_completion);  in scf_handler()
328 		scf_add_to_free_list(scfcp);  in scf_handler()
335 	struct scf_check *scfcp = scfc_in;  in scf_handler_1()  local
337 …if (likely(scfcp) && WARN_ONCE(smp_processor_id() != scfcp->scfc_cpu, "%s: Wanted CPU %d got CPU %…  in scf_handler_1()
340 	scf_handler(scfcp);  in scf_handler_1()
349 	struct scf_check *scfcp = NULL;  in scftorture_invoke_one()  local
353 		scfcp = kmalloc_obj(*scfcp, GFP_ATOMIC);  in scftorture_invoke_one()
354 		if (!scfcp) {  in scftorture_invoke_one()
359 			scfcp->scfc_cpu = -1;  in scftorture_invoke_one()
360 			scfcp->scfc_wait = scfsp->scfs_wait;  in scftorture_invoke_one()
361 			scfcp->scfc_out = false;  in scftorture_invoke_one()
362 			scfcp->scfc_rpc = false;  in scftorture_invoke_one()
384 		if (scfcp) {  in scftorture_invoke_one()
385 			scfcp->scfc_cpu = cpu;  in scftorture_invoke_one()
387 			scfcp->scfc_in = true;  in scftorture_invoke_one()
389 		ret = smp_call_function_single(cpu, scf_handler_1, (void *)scfcp, scfsp->scfs_wait);  in scftorture_invoke_one()
395 			scf_add_to_free_list(scfcp);  in scftorture_invoke_one()
396 			scfcp = NULL;  in scftorture_invoke_one()
400 		if (!scfcp)  in scftorture_invoke_one()
404 		scfcp->scfc_cpu = cpu;  in scftorture_invoke_one()
405 		scfcp->scfc_wait = true;  in scftorture_invoke_one()
406 		init_completion(&scfcp->scfc_completion);  in scftorture_invoke_one()
407 		scfcp->scfc_rpc = true;  in scftorture_invoke_one()
409 		scfcp->scfc_in = true;  in scftorture_invoke_one()
410 		ret = smp_call_function_single(cpu, scf_handler_1, (void *)scfcp, 0);  in scftorture_invoke_one()
416 			wait_for_completion(&scfcp->scfc_completion);  in scftorture_invoke_one()
423 			scf_add_to_free_list(scfcp);  in scftorture_invoke_one()
424 			scfcp = NULL;  in scftorture_invoke_one()
432 		if (scfcp) {  in scftorture_invoke_one()
434 			scfcp->scfc_in = true;  in scftorture_invoke_one()
436 		smp_call_function_many(cpu_online_mask, scf_handler, scfcp, scfsp->scfs_wait);  in scftorture_invoke_one()
443 		if (scfcp) {  in scftorture_invoke_one()
445 			scfcp->scfc_in = true;  in scftorture_invoke_one()
447 		smp_call_function(scf_handler, scfcp, scfsp->scfs_wait);  in scftorture_invoke_one()
451 		if (scfcp)  in scftorture_invoke_one()
452 			scfcp->scfc_out = true;  in scftorture_invoke_one()
454 	if (scfcp && scfsp->scfs_wait) {  in scftorture_invoke_one()
456 				 !scfcp->scfc_out)) {  in scftorture_invoke_one()
460 			scf_add_to_free_list(scfcp);  in scftorture_invoke_one()