cpufunc_nullop
.cf_l2cache_wbinv_all = cpufunc_nullop,
.cf_l2cache_wbinv_range = (void *)cpufunc_nullop,
.cf_l2cache_inv_range = (void *)cpufunc_nullop,
.cf_l2cache_wb_range = (void *)cpufunc_nullop,
.cf_l2cache_drain_writebuf = (void *)cpufunc_nullop,
.cf_l2cache_wbinv_all = (void *)cpufunc_nullop,
.cf_l2cache_wbinv_range = (void *)cpufunc_nullop,
.cf_l2cache_inv_range = (void *)cpufunc_nullop,
.cf_l2cache_wb_range = (void *)cpufunc_nullop,
.cf_l2cache_drain_writebuf = (void *)cpufunc_nullop,
.cf_sleep = (void *)cpufunc_nullop,
cpufunc_nullop();
cpufunc_nullop(); /* Prevent gcc from optimizing
cpufunc_nullop();
cpufunc_nullop();
void cpufunc_nullop (void);
cpufunc_nullop();