X86_FEATURE_XMM 20 arch/x86/include/asm/barrier.h #define wmb() alternative("lock; addl $0,0(%%esp)", "sfence", X86_FEATURE_XMM) X86_FEATURE_XMM 344 arch/x86/include/asm/cpufeature.h #define cpu_has_xmm boot_cpu_has(X86_FEATURE_XMM) X86_FEATURE_XMM 812 arch/x86/include/asm/processor.h X86_FEATURE_XMM, X86_FEATURE_XMM 67 arch/x86/include/asm/required-features.h #define NEED_XMM (1<<(X86_FEATURE_XMM & 31))