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RE: [Xen-devel] [Patch][RESEND] Add hardware CR8 acceleration for TPRaccessing

  • To: <Keir.Fraser@xxxxxxxxxxxx>
  • From: "Cui, Dexuan" <dexuan.cui@xxxxxxxxx>
  • Date: Wed, 25 Oct 2006 11:10:13 +0800
  • Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
  • Delivery-date: Tue, 24 Oct 2006 20:10:40 -0700
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: AcbhNpSgnLlsyleeR3aZurd/xO5mYAAmjw1QBSvHBYAAWJRNsAAALhtA
  • Thread-topic: [Xen-devel] [Patch][RESEND] Add hardware CR8 acceleration for TPRaccessing

Sorry, please ignore this mail.
(I attached the old patch...)

 -- Dexuan

-----Original Message-----
From: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx 
[mailto:xen-devel-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Cui, Dexuan
Sent: 2006年10月25日 11:07
To: Keir.Fraser@xxxxxxxxxxxx
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-devel] [Patch][RESEND] Add hardware CR8 acceleration for 

x64 Windows uses CR8 to access TPR very frequently. This patch enables
TPR shadow and allows mov-from/to-CR8 to access it directly; tests
indicates it can boost greatly the performance of x64 Windows 2003.

 -- Dexuan

Signed-off-by: Eddie Dong <eddie.dong@xxxxxxxxx>
Signed-off-by: Yunhong Jiang <yunhong.jiang@xxxxxxxxx>
Signed-off-by: Dexuan Cui <dexuan.cui@xxxxxxxxx>

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