On 11/03/2015 10:01 AM, Timur Tabi wrote: > Busy loops that poll on a register should call cpu_relax(). On some > architectures, it can lower CPU power consumption or yield to a > hyperthreaded twin processor. It also serves as a compiler barrier, > so it can replace barrier() calls. Reviewed-by: Peter Hurley <peter@xxxxxxxxxxxxxxxxxx> -- 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
