Re: [PATCH] x86: Construct 32 bit boot time page tables in native format.

Ian Campbell
2008-01-22T22:22:06Z

On Tue, 2008-01-22 at 13:00 -0800, H. Peter Anvin wrote:
> Ian Campbell wrote:
> > On Tue, 2008-01-22 at 21:36 +0100, Ingo Molnar wrote:
> >> * H. Peter Anvin <hpa@zytor.com> wrote:
> >>
> >>>> Seems reasonable to me. I'll integrate your asm diff with the other
> >>>> changes and give it a whirl.
> >>> This version boots into userspace on both PAE and !PAE. You want to
> >>> take it from here?
> >> ok, i'll wait for Ian to submit the final (tested) version then. A few
> >> possible complications are: PSE-less boxes, 32-bit PAGEALLOC bootups
> >> with tons of RAM, NX-less boxes and NX-able boxes :)
> >
> > I'm not sure I can promise that sort of coverage ;-) Will test on what
> > hardware I've got available...
> >
>
> I tend to use simulators (e.g. Qemu) quite a bit. They let you tune
> this kind of stuff.

So do I but I'd never really investigated the option to fiddle with the
CPU type -- very useful though, thanks for the tip!

Ian.

--
Ian Campbell

No one can feel as helpless as the owner of a sick goldfish.