MSR_IA32_APICBASE_BSP  579 arch/x86/include/asm/msr-index.h #define MSR_IA32_APICBASE_BSP		(1<<8)
MSR_IA32_APICBASE_BSP  780 tools/testing/selftests/kvm/include/x86_64/processor.h #define MSR_IA32_APICBASE_BSP		(1<<8)