native_cpuid_ecx 132 arch/x86/boot/compressed/pgtable_64.c (native_cpuid_ecx(7) & (1 << (X86_FEATURE_LA57 & 31)))) { native_cpuid_ecx 134 arch/x86/kernel/cpu/microcode/core.c if (native_cpuid_ecx(1) & BIT(31))