ipi_data_ptr      267 arch/arc/kernel/smp.c 	unsigned long __percpu *ipi_data_ptr = per_cpu_ptr(&ipi_data, cpu);
ipi_data_ptr      280 arch/arc/kernel/smp.c 		new = old = READ_ONCE(*ipi_data_ptr);
ipi_data_ptr      282 arch/arc/kernel/smp.c 	} while (cmpxchg(ipi_data_ptr, old, new) != old);