MSR_P4_BSU_ESCR0 774 arch/x86/include/asm/msr-index.h #define MSR_P4_BSU_ESCR0 0x000003a0 MSR_P4_BSU_ESCR0 999 tools/testing/selftests/kvm/include/x86_64/processor.h #define MSR_P4_BSU_ESCR0 0x000003a0