From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Christoph Egger" Subject: Re: [PATCH] Allow 32bit PAE guests to change their L3 entries Date: Mon, 18 Feb 2008 14:57:18 +0100 Message-ID: <200802181457.18249.Christoph.Egger@amd.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable Return-path: In-Reply-To: Content-Disposition: inline List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: xen-devel@lists.xensource.com List-Id: xen-devel@lists.xenproject.org On Monday 18 February 2008 14:44:32 Keir Fraser wrote: > On 18/2/08 12:32, "Christoph Egger" wrote: > > 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. > > It breaks the fast update path, and also all mod_lN_entry() functions > should probably be reorganised for consistency. I'll make these changes a= nd > apply it. Thank you very much. But shouldn't have c/s 17061 gone into xen-staging fir= st and then into xen-stable ? Christoph =2D-=20 AMD Saxony, Dresden, Germany Operating System Research Center Legal Information: AMD Saxony Limited Liability Company & Co. KG Sitz (Gesch=E4ftsanschrift): Wilschdorfer Landstr. 101, 01109 Dresden, Deutschland Registergericht Dresden: HRA 4896 vertretungsberechtigter Komplement=E4r: AMD Saxony LLC (Sitz Wilmington, Delaware, USA) Gesch=E4ftsf=FChrer der AMD Saxony LLC: Dr. Hans-R. Deppe, Thomas McCoy