MSR_PKGC8_IRTL 272 arch/x86/include/asm/msr-index.h #define MSR_PKGC8_IRTL 0x00000633 MSR_PKGC8_IRTL 501 tools/testing/selftests/kvm/include/x86_64/processor.h #define MSR_PKGC8_IRTL 0x00000633