[Xen-changelog] [xen-unstable] x86/mm/p2m: use NX bit for p2m entries

[Xen patchbot-unstable <patchbot@xxxxxxx>]

# HG changeset patch
# User Christoph Egger <Christoph.Egger@xxxxxxx>
# Date 1343325764 -3600
# Node ID 131148d57fa2a4c6dfe96c73e527ef9e028b6e90
# Parent  b63d4890d15e74b4c8ca45607563245076b3e770
x86/mm/p2m: use NX bit for p2m entries

In addition to c/s 25614:7d8a2e8412f2 also use the NX bit
for non-ram types.

Signed-off-by: Christoph Egger <Christoph.Egger@xxxxxxx>
Acked-by: Tim Deegan <tim@xxxxxxx>
Committed-by: Tim Deegan <tim@xxxxxxx>
---


diff -r b63d4890d15e -r 131148d57fa2 xen/arch/x86/mm/p2m-pt.c
--- a/xen/arch/x86/mm/p2m-pt.c  Thu Jul 26 17:22:39 2012 +0100
+++ b/xen/arch/x86/mm/p2m-pt.c  Thu Jul 26 19:02:44 2012 +0100
@@ -88,7 +88,7 @@ static unsigned long p2m_type_to_flags(p
     case p2m_ram_paged:
     case p2m_ram_paging_in:
     default:
-        return flags;
+        return flags | _PAGE_NX_BIT;
     case p2m_grant_map_ro:
         return flags | P2M_BASE_FLAGS | _PAGE_NX_BIT;
     case p2m_ram_ro:

_______________________________________________
Xen-changelog mailing list
Xen-changelog@xxxxxxxxxxxxx
http://lists.xensource.com/xen-changelog