MSR_AMD64_IBSOP_REG_MASK  432 arch/x86/include/asm/msr-index.h #define MSR_AMD64_IBSOP_REG_MASK	((1UL<<MSR_AMD64_IBSOP_REG_COUNT)-1)
MSR_AMD64_IBSOP_REG_MASK  652 tools/testing/selftests/kvm/include/x86_64/processor.h #define MSR_AMD64_IBSOP_REG_MASK	((1UL<<MSR_AMD64_IBSOP_REG_COUNT)-1)