> + * Specifically, cr4 exists if and only if CPUID exists, > + * which in turn exists if and only if EFLAGS.ID exists. This may be true for *Intel* 486 CPUs as VME was implemented at the same time as CPUID, but I am not sure that it is true for AMD 486 CPUs. Yuhong Bao -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html