XAPIC_DEST_CPUS_MASK  164 arch/x86/include/asm/apicdef.h #define XAPIC_DEST_CLUSTER_MASK	(XAPIC_DEST_CPUS_MASK << XAPIC_DEST_CPUS_SHIFT)
XAPIC_DEST_CPUS_MASK  167 arch/x86/include/asm/apicdef.h #define APIC_CPUID(apicid)	((apicid) & XAPIC_DEST_CPUS_MASK)