APIC_BASE 105 arch/x86/include/asm/apic.h volatile u32 *addr = (volatile u32 *)(APIC_BASE + reg); APIC_BASE 114 arch/x86/include/asm/apic.h return *((volatile u32 *)(APIC_BASE + reg)); APIC_BASE 2150 arch/x86/kernel/apic/apic.c APIC_BASE, address);