This is an archived copy of the Xen.org mailing list, which we have preserved to ensure that existing links to archives are not broken. The live archive, which contains the latest emails, can be found at http://lists.xen.org/
Home Products Support Community News


[Xen-changelog] Use entry_get_paddr(l1e) to get the PFN

To: xen-changelog@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-changelog] Use entry_get_paddr(l1e) to get the PFN
From: Xen patchbot -unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>
Date: Thu, 01 Sep 2005 09:08:11 +0000
Delivery-date: Thu, 01 Sep 2005 09:06:39 +0000
Envelope-to: www-data@xxxxxxxxxxxxxxxxxxx
List-help: <mailto:xen-changelog-request@lists.xensource.com?subject=help>
List-id: BK change log <xen-changelog.lists.xensource.com>
List-post: <mailto:xen-changelog@lists.xensource.com>
List-subscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-changelog>, <mailto:xen-changelog-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-changelog>, <mailto:xen-changelog-request@lists.xensource.com?subject=unsubscribe>
Reply-to: xen-devel@xxxxxxxxxxxxxxxxxxx
Sender: xen-changelog-bounces@xxxxxxxxxxxxxxxxxxx
# HG changeset patch
# User kaf24@xxxxxxxxxxxxxxxxxxxx
# Node ID 832cb25d1f554b5d8d173bb6647e6a109a47173b
# Parent  b99098e3c2ed38c897242cb505fb1e171bb9435b
Use entry_get_paddr(l1e) to get the PFN

Otherwise software used bits might get in the way.

Signed-off-by: Arun Sharma <arun.sharma@xxxxxxxxx>

diff -r b99098e3c2ed -r 832cb25d1f55 xen/include/asm-x86/shadow_64.h
--- a/xen/include/asm-x86/shadow_64.h   Thu Sep  1 09:04:06 2005
+++ b/xen/include/asm-x86/shadow_64.h   Thu Sep  1 09:07:10 2005
@@ -450,7 +450,9 @@
         * If it's not external mode, then mfn should be machine physical.
-       mfn = __gpfn_to_mfn(d, (entry_get_value(gle) >> PAGE_SHIFT));
+       mfn = __gpfn_to_mfn(d, (entry_get_paddr(gle) >> PAGE_SHIFT));
+        if (mfn == -1)
+            return 1;
         lva = (pgentry_64_t *) phys_to_virt(
            mfn << PAGE_SHIFT);

Xen-changelog mailing list

<Prev in Thread] Current Thread [Next in Thread>
  • [Xen-changelog] Use entry_get_paddr(l1e) to get the PFN, Xen patchbot -unstable <=