247 	struct scf_check *scfcp = scfc_in;  in scf_handler()  local
249 	if (likely(scfcp)) {  in scf_handler()
250 		WRITE_ONCE(scfcp->scfc_out, false); // For multiple receivers.  in scf_handler()
251 		if (WARN_ON_ONCE(unlikely(!READ_ONCE(scfcp->scfc_in))))  in scf_handler()
275 	if (unlikely(!scfcp))  in scf_handler()
277 	if (scfcp->scfc_wait)  in scf_handler()
278 		WRITE_ONCE(scfcp->scfc_out, true);  in scf_handler()
280 		kfree(scfcp);  in scf_handler()
286 	struct scf_check *scfcp = scfc_in;  in scf_handler_1()  local
288 …if (likely(scfcp) && WARN_ONCE(smp_processor_id() != scfcp->scfc_cpu, "%s: Wanted CPU %d got CPU %…  in scf_handler_1()
291 	scf_handler(scfcp);  in scf_handler_1()
299 	struct scf_check *scfcp = NULL;  in scftorture_invoke_one()  local
307 		scfcp = kmalloc(sizeof(*scfcp), GFP_ATOMIC);  in scftorture_invoke_one()
308 		if (WARN_ON_ONCE(!scfcp)) {  in scftorture_invoke_one()
311 			scfcp->scfc_cpu = -1;  in scftorture_invoke_one()
312 			scfcp->scfc_wait = scfsp->scfs_wait;  in scftorture_invoke_one()
313 			scfcp->scfc_out = false;  in scftorture_invoke_one()
323 		if (scfcp) {  in scftorture_invoke_one()
324 			scfcp->scfc_cpu = cpu;  in scftorture_invoke_one()
326 			scfcp->scfc_in = true;  in scftorture_invoke_one()
328 		ret = smp_call_function_single(cpu, scf_handler_1, (void *)scfcp, scfsp->scfs_wait);  in scftorture_invoke_one()
334 			kfree(scfcp);  in scftorture_invoke_one()
335 			scfcp = NULL;  in scftorture_invoke_one()
343 		if (scfcp) {  in scftorture_invoke_one()
345 			scfcp->scfc_in = true;  in scftorture_invoke_one()
347 		smp_call_function_many(cpu_online_mask, scf_handler, scfcp, scfsp->scfs_wait);  in scftorture_invoke_one()
354 		if (scfcp) {  in scftorture_invoke_one()
356 			scfcp->scfc_in = true;  in scftorture_invoke_one()
358 		smp_call_function(scf_handler, scfcp, scfsp->scfs_wait);  in scftorture_invoke_one()
362 		if (scfcp)  in scftorture_invoke_one()
363 			scfcp->scfc_out = true;  in scftorture_invoke_one()
365 	if (scfcp && scfsp->scfs_wait) {  in scftorture_invoke_one()
367 				 !scfcp->scfc_out))  in scftorture_invoke_one()
370 			kfree(scfcp);  in scftorture_invoke_one()