314 static int membarrier_private_expedited(int flags, int cpu_id)  in membarrier_private_expedited()  argument
351 	if (cpu_id < 0 && !zalloc_cpumask_var(&tmpmask, GFP_KERNEL))  in membarrier_private_expedited()
357 	if (cpu_id >= 0) {  in membarrier_private_expedited()
360 		if (cpu_id >= nr_cpu_ids || !cpu_online(cpu_id))  in membarrier_private_expedited()
363 		p = rcu_dereference(cpu_rq(cpu_id)->curr);  in membarrier_private_expedited()
383 	if (cpu_id >= 0) {  in membarrier_private_expedited()
385 		 * smp_call_function_single() will call ipi_func() if cpu_id  in membarrier_private_expedited()
388 		smp_call_function_single(cpu_id, ipi_func, NULL, 1);  in membarrier_private_expedited()
417 	if (cpu_id < 0)  in membarrier_private_expedited()
589  *          case it can be MEMBARRIER_CMD_FLAG_CPU, indicating that @cpu_id
592  * @cpu_id: if @flags == MEMBARRIER_CMD_FLAG_CPU, indicates the cpu on which
620 SYSCALL_DEFINE3(membarrier, int, cmd, unsigned int, flags, int, cpu_id)  in SYSCALL_DEFINE3()  argument
633 		cpu_id = -1;  in SYSCALL_DEFINE3()
656 		return membarrier_private_expedited(0, cpu_id);  in SYSCALL_DEFINE3()
660 		return membarrier_private_expedited(MEMBARRIER_FLAG_SYNC_CORE, cpu_id);  in SYSCALL_DEFINE3()
664 		return membarrier_private_expedited(MEMBARRIER_FLAG_RSEQ, cpu_id);  in SYSCALL_DEFINE3()