MSR_IA32_DEBUGCTLMSR  225 arch/x86/include/asm/msr-index.h #define MSR_IA32_DEBUGCTLMSR		0x000001d9
MSR_IA32_DEBUGCTLMSR  455 tools/testing/selftests/kvm/include/x86_64/processor.h #define MSR_IA32_DEBUGCTLMSR		0x000001d9