APIC_LDR 124 arch/x86/include/asm/apic.h if (reg == APIC_DFR || reg == APIC_ID || reg == APIC_LDR || APIC_LDR 212 arch/x86/include/asm/smp.h return GET_APIC_LOGICAL_ID(apic_read(APIC_LDR));