Xen 
 
Home About Xen.org Xen Xen Summit Wiki Mailing List Bug Tracker Xen Downloads
 
   
 

xen-devel

[Xen-devel] [PATCH][SVM] Remove redundant update to V_TPR register

To: xen-devel@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-devel] [PATCH][SVM] Remove redundant update to V_TPR register
From: "Travis Betak" <travis.betak@xxxxxxx>
Date: Wed, 31 Jan 2007 21:09:02 -0600 (CST)
Delivery-date: Wed, 31 Jan 2007 19:06:59 -0800
Envelope-to: www-data@xxxxxxxxxxxxxxxxxx
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
This patch removes the redundant update to the V_TPR VMCB field.  The
update is already done in the preceding call to vlapic_set_reg.

This fix is for changeset 13762 in xen-unstable.hg

Please apply.

Signed-off-by: Travis Betak <travis.betak@xxxxxxx>

---

diff -r 588dd80b56b5 xen/arch/x86/hvm/svm/svm.c
--- a/xen/arch/x86/hvm/svm/svm.c        Wed Jan 31 19:37:44 2007 +0000
+++ b/xen/arch/x86/hvm/svm/svm.c        Wed Jan 31 20:59:02 2007 -0600
@@ -1948,7 +1948,6 @@ static int mov_to_cr(int gpreg, int cr,

     case 8:
         vlapic_set_reg(vlapic, APIC_TASKPRI, ((value & 0x0F) << 4));
-        vmcb->vintr.fields.tpr = value & 0x0F;
         break;

     default:



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

<Prev in Thread] Current Thread [Next in Thread>
  • [Xen-devel] [PATCH][SVM] Remove redundant update to V_TPR register, Travis Betak <=