MSR_PKGC9_IRTL    273 arch/x86/include/asm/msr-index.h #define MSR_PKGC9_IRTL			0x00000634
MSR_PKGC9_IRTL    502 tools/testing/selftests/kvm/include/x86_64/processor.h #define MSR_PKGC9_IRTL			0x00000634