[Xen-devel] [PATCH] Allow 32bit PAE guests to change their L3 entries

["Christoph Egger" <Christoph.Egger@xxxxxxx>]

Hi!

adjust_guest_l3e() adds (_PAGE_USER|_PAGE_RW) to the entry, and then
get_page_from_l3e() checks that _PAGE_USER or _PAGE_RW are not present
for PAE guests.  get_page_from_l3e() will always fail at this point
for PAE guests.

Attached patch fixes this. This bug has been uncovered with NetBSD 32bit PAE 
guests.

Patch from Manuel Bouyer <bouyer@xxxxxxxxxx> for xen-3.1-testing,
ported to xen-unstable by me.

Signed-off-by: Christoph Egger <Christoph.Egger@xxxxxxx>


Keir: Please apply this patch also to xen-3.2-testing and xen-3.1-testing.



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Operating System Research Center

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Attachment: xen_mm.diff
Description: Text document

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