> Worth it on 32-bit. On AMD64, probably not. On Intel 64-bit, maybe, > but less important than in P4 days.
Well most of Intel 64bit is P4 -- and Intel is still shipping millions more of them each quarter. > This could change character completely if used at the tail of a function > where you now have > > sti; 1: ret > > Which generates an interrupt holdoff on the ret, an unusual thing to do. Unusual yes, but I don't see how it should cause problems. Or do you have anything specific in mind? Worse is probably that on K8 this case might cause a pipeline stall if there isn't a prefix in front of the ret. -Andi - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
