xen-changelog

[Top] [All Lists]

[Xen-changelog] [xen-unstable] [VMX] Make sure that the WP bit is always

from [Xen patchbot-unstable]

[Permanent Link][Original]

To:	xen-changelog@xxxxxxxxxxxxxxxxxxx
Subject:	[Xen-changelog] [xen-unstable] [VMX] Make sure that the WP bit is always set in CR0 when running SVM guests.
From:	Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>
Date:	Fri, 24 Nov 2006 11:10:17 +0000
Delivery-date:	Fri, 24 Nov 2006 03:10:31 -0800
Envelope-to:	www-data@xxxxxxxxxxxxxxxxxx
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 Tim Deegan <Tim.Deegan@xxxxxxxxxxxxx>
# Node ID 6d892ea6194db5af3c3bed814110194a6afbbc31
# Parent  cd40792968cb8d7f561659d7427872c9518584ec
[VMX] Make sure that the WP bit is always set in CR0 when running SVM guests.
This is the VMX equivalent of cset 12525:4ddda0bbb57c.
Signed-off-by: Tim Deegan <Tim.Deegan@xxxxxxxxxxxxx>
---
 xen/arch/x86/hvm/vmx/vmx.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletion(-)

diff -r cd40792968cb -r 6d892ea6194d xen/arch/x86/hvm/vmx/vmx.c
--- a/xen/arch/x86/hvm/vmx/vmx.c        Thu Nov 23 17:54:06 2006 +0000
+++ b/xen/arch/x86/hvm/vmx/vmx.c        Thu Nov 23 18:01:40 2006 +0000
@@ -1373,7 +1373,8 @@ static int vmx_set_cr0(unsigned long val
         __vm_clear_bit(EXCEPTION_BITMAP, EXCEPTION_BITMAP_NM);
     }
 
-    v->arch.hvm_vmx.cpu_cr0 = value | X86_CR0_PE | X86_CR0_PG | X86_CR0_NE;
+    v->arch.hvm_vmx.cpu_cr0 = (value | X86_CR0_PE | X86_CR0_PG 
+                               | X86_CR0_NE | X86_CR0_WP);
     __vmwrite(GUEST_CR0, v->arch.hvm_vmx.cpu_cr0);
 
     v->arch.hvm_vmx.cpu_shadow_cr0 = value;

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

[More with this subject...]

<Prev in Thread]	Current Thread	[Next in Thread>
[Xen-changelog] [xen-unstable] [VMX] Make sure that the WP bit is always set in CR0 when running SVM guests., Xen patchbot-unstable <=

Previous by Date:	[Xen-changelog] [xen-unstable] Merge, Xen patchbot-unstable
Next by Date:	[Xen-changelog] [xen-unstable] [HVM] Fix hvm_copy_[to\|from]_guest_virt, Xen patchbot-unstable
Previous by Thread:	[Xen-changelog] [xen-unstable] [XEN] Simplify the shadow hash table., Xen patchbot-unstable
Next by Thread:	[Xen-changelog] [xen-unstable] [HVM] Fix hvm_copy_[to\|from]_guest_virt, Xen patchbot-unstable
Indexes:	[Date] [Thread] [Top] [All Lists]