On Wed, Oct 15, 2008 at 10:23:41AM +0800, gyang wrote: > We are making a SMP like patch to blackfin, cpu_relax() is replaced by a > data cache flush function which will count it to a per-cpu counter. > If this serial function is called too early, the per-cpu data area have > not been initialized, this call will cause crash. > So we'd like to use barrier() instead of cpu_relax(). Can you split that out as a separate change and include the explanation in the patch then. Thanks Alan -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
