MSR_MISC_PWR_MGMT  619 arch/x86/include/asm/msr-index.h #define MSR_MISC_PWR_MGMT		0x000001aa
MSR_MISC_PWR_MGMT  850 tools/testing/selftests/kvm/include/x86_64/processor.h #define MSR_MISC_PWR_MGMT		0x000001aa