MSR_IA32_MISC_ENABLE_FAST_STRING_BIT 652 arch/x86/include/asm/msr-index.h #define MSR_IA32_MISC_ENABLE_FAST_STRING_BIT 0 MSR_IA32_MISC_ENABLE_FAST_STRING_BIT 883 tools/testing/selftests/kvm/include/x86_64/processor.h #define MSR_IA32_MISC_ENABLE_FAST_STRING_BIT 0