> No, not udelay. Or any delay for that matter. If spinning on a > condition, then there is no advantage to burning cycles with a > udelay(). Those cycles may as well be used to keep testing the > condition so the loop can be exited faster. a udelay() would only > serve to always make the busywait longer.
Well, there's a non-empty set of HW where polling as fast as you can will effectively prevent it to make fwd progress... Ben. _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev
