X86_FEATURE_MFENCE_RDTSC  402 arch/x86/kernel/cpu/amd.c 		set_cpu_cap(c, X86_FEATURE_MFENCE_RDTSC);
X86_FEATURE_MFENCE_RDTSC  421 include/asm-x86/system.h 	alternative(ASM_NOP3, "mfence", X86_FEATURE_MFENCE_RDTSC);