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

H. Peter Anvin
2008-01-22T20:44:18Z

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 :)

PSE-less should be less of an issue than making sure we switch to using
large pages where appropriate, and enable the PGE and NX bits where
appropriate.

-hpa