MSR_IA32_DS_AREA  156 arch/x86/include/asm/msr-index.h #define MSR_IA32_DS_AREA		0x00000600
MSR_IA32_DS_AREA  422 tools/testing/selftests/kvm/include/x86_64/processor.h #define MSR_IA32_DS_AREA		0x00000600