MSR_IA32_APICBASE_BASE  581 arch/x86/include/asm/msr-index.h #define MSR_IA32_APICBASE_BASE		(0xfffff<<12)
MSR_IA32_APICBASE_BASE  782 tools/testing/selftests/kvm/include/x86_64/processor.h #define MSR_IA32_APICBASE_BASE		(0xfffff<<12)