[parisc-linux] Prefetch macros for PA-RISC

[Matthew Wilcox]

On Wed, Feb 21, 2001 at 11:50:54AM -0800, Grant Grundler wrote:
> > But that stops 32-bit kernels on 64-bit architecture from taking advantage
> > of the optimisation.  perhaps we need some funky runtime patching...
> 
> That's evil. I'd rather introduce a CONFIG flag that says "build me
> a 32-bit kernel with PA2.0 optimizations/support". We've already made
> this tradeoff in a few other places as well.

This sounds like a good idea.  x86 has a `processor' section.  We could
select PA1.1, PA2.0 or PA2.0Wide at that point.

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