On Sun, Apr 15, 2007 at 11:25:55PM +0800, tiansm@xxxxxxxxxx wrote: > +#if defined(CONFIG_CPU_LOONGSON2) > +#define Hit_Invalidate_I 0x00 This #ifdef means Index_Invalidate_I and Hit_Invalidate_I will both be defined as zero, is that really correct? (This is the point where I would really like to have a CPU manual ...) > +#else > #define Hit_Invalidate_I 0x10 > +#endif Ralf