[parisc-linux] Prefetch macros for PA-RISC

[Matthew Wilcox]

On Wed, Feb 21, 2001 at 11:40:42AM -0800, Grant Grundler wrote:
> Alan Cox wrote:
> > Can the prefetch on the hppa fault ?
> 
> "PARISC 2.0 Arch" page 6-11 says:
>    If one of those exceptions would occur, the prefetch
>    is simply ignored, but any base register modification
>    specified by the instruction still occurs.
> 
> I haven't checked if the errata contradicts this.
> The whole point of prefetch which be undermined if it could fault.

The errata only covers which way around the LDD/LDW instructions are.

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