[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH] Allow 32bit PAE guests to change their L3 entries
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. -- AMD Saxony, Dresden, Germany Operating System Research Center Legal Information: AMD Saxony Limited Liability Company & Co. KG Sitz (Geschäftsanschrift): Wilschdorfer Landstr. 101, 01109 Dresden, Deutschland Registergericht Dresden: HRA 4896 vertretungsberechtigter Komplementär: AMD Saxony LLC (Sitz Wilmington, Delaware, USA) Geschäftsführer der AMD Saxony LLC: Dr. Hans-R. Deppe, Thomas McCoy Attachment:
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