[parisc-linux] Prefetch macros for PA-RISC

Alan Cox alan@lxorguk.ukuu.org.uk
Wed, 21 Feb 2001 18:55:51 +0000 (GMT)


> My reading of the "PA 2.0 Enhancements" in the "PA-RISC 2.0 Architecture"
> is pretty clear this is for PA2.0 CPU's only. #ifdef __LP64__ is needed.
> 
> I'd like to encourage use prefetching on bcopy/checksum type loops.
> It will help perf *alot*.

Can the prefetch on the hppa fault ?