 Home |
Products |
Support |
Community |
News |
xen-devel
[Xen-devel] [PATCH][VT] No DISALLOW pte bit check for VMX domain
| To: | "xen-devel" <xen-devel@xxxxxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | [Xen-devel] [PATCH][VT] No DISALLOW pte bit check for VMX domain |
| From: | "Li, Chengyuan" <chengyuan.li@xxxxxxxxx> |
| Date: | Mon, 12 Sep 2005 15:05:27 +0800 |
| Delivery-date: | Mon, 12 Sep 2005 07:03:27 +0000 |
| Envelope-to: | www-data@xxxxxxxxxxxxxxxxxxx |
| List-help: | <mailto:xen-devel-request@lists.xensource.com?subject=help> |
| List-id: | Xen developer discussion <xen-devel.lists.xensource.com> |
| List-post: | <mailto:xen-devel@lists.xensource.com> |
| List-subscribe: | <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=subscribe> |
| List-unsubscribe: | <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe> |
| Sender: | xen-devel-bounces@xxxxxxxxxxxxxxxxxxx |
| Thread-index: | AcW3aFqiO4Ank/PBRCa8WZR1RuYuUQ== |
| Thread-topic: | [PATCH][VT] No DISALLOW pte bit check for VMX domain |
Hi,
VMX domain don't need DISALLOW pte bit checking.
Signed-off-by: Chengyuan Li <chengyuan.li@xxxxxxxxx>
diff -r 51fa7e0bd968 xen/arch/x86/mm.c
--- a/xen/arch/x86/mm.c Sat Sep 10 03:34:52 2005
+++ b/xen/arch/x86/mm.c Mon Sep 12 13:48:10 2005
@@ -442,7 +442,7 @@
if ( !(l1e_get_flags(l1e) & _PAGE_PRESENT) )
return 1;
- if ( unlikely(l1e_get_flags(l1e) & L1_DISALLOW_MASK) )
+ if ( !shadow_mode_refcounts(d) && unlikely(l1e_get_flags(l1e) &
L1_DISALLOW_MASK) )
{
MEM_LOG("Bad L1 flags %x", l1e_get_flags(l1e) &
L1_DISALLOW_MASK);
return 0;
Thanks,
Chengyuan
_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel
|
| <Prev in Thread] | Current Thread | [Next in Thread> |
|---|---|---|
| ||
| Previous by Date: | Re: [Xen-devel] xentop CPU% wrong?, Josh Triplett |
|---|---|
| Next by Date: | Re: [Xen-devel] [PATCH][VT] No DISALLOW pte bit check for VMX domain, Keir Fraser |
| Previous by Thread: | [Xen-devel] [PATCH] vmx-x86_64-show_stack.patch, Leendert van Doorn |
| Next by Thread: | Re: [Xen-devel] [PATCH][VT] No DISALLOW pte bit check for VMX domain, Keir Fraser |
| Indexes: | [Date] [Thread] [Top] [All Lists] |
