YhLu <YhLu at tyan.com> writes:
> northbridge/amd/amdk8/cpu_rev.c
>
> static int is_cpu_pre_c0(void)
> {
> return (cpuid_eax(1) & 0xffef) < 0x0f48;
> }
>
> Why need to and 0xffef?
Look at the various cpuid values that happen to be c0 stepping
processors.
Eric