MSR_IA32_LASTBRANCHFROMIP 226 arch/x86/include/asm/msr-index.h #define MSR_IA32_LASTBRANCHFROMIP 0x000001db MSR_IA32_LASTBRANCHFROMIP 456 tools/testing/selftests/kvm/include/x86_64/processor.h #define MSR_IA32_LASTBRANCHFROMIP 0x000001db