Messages in this thread | | | Date | Tue, 22 Jan 2008 12:43:01 -0800 | From | "H. Peter Anvin" <> | Subject | Re: [PATCH] x86: Construct 32 bit boot time page tables in native format. |
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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
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