phys_cpu_id 653 arch/ia64/kernel/irq_ia64.c unsigned long phys_cpu_id; phys_cpu_id 655 arch/ia64/kernel/irq_ia64.c phys_cpu_id = cpu_physical_id(cpu); phys_cpu_id 662 arch/ia64/kernel/irq_ia64.c ipi_addr = ipi_base_addr + ((phys_cpu_id << 4) | ((redirect & 1) << 3));