On Wed, Oct 15, 2008 at 4:38 PM, Alan Cox <alan@xxxxxxxxxx> wrote: > 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 > I'll handle this and will resend the whole blackfin serial driver patches again as well as Sonic updates some bug fixing recently. Thanks -Bryan -- 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
