page align emergency stack

[David Gibson]

On Fri, Jul 16, 2004 at 11:11:41AM +1000, Anton Blanchard wrote:
>
>
> > Do we actually need to do this?  I noted that the old guard pages were
> > page aligned, but couldn't see any particular reason for it, so I
> > didn't transfer the alignment to the new version.
>
> The ABI requires us to have 128 bit alignment doesnt it? Im thinking
> about what would happen if we saved altivec registers to the stack.

Ok, that's not quite the same thing as page alignment...

--
David Gibson			| For every complex problem there is a
david AT gibson.dropbear.id.au	| solution which is simple, neat and
				| wrong.
http://www.ozlabs.org/people/dgibson

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