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

  • To: <xen-devel@xxxxxxxxxxxxxxxxxxx>
  • From: "Cui, Dexuan" <dexuan.cui@xxxxxxxxx>
  • Date: Mon, 30 Oct 2006 15:02:31 +0800
  • Delivery-date: Sun, 29 Oct 2006 23:04:29 -0800
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: AcbhNpSgnLlsyleeR3aZurd/xO5mYAAmjw1QBSvHBYAAWJRNsAAAJGIAAQOCTgA=
  • Thread-topic: [Xen-devel] [Patch][RESEND] Add hardware CR8 acceleration for TPRaccessing

Any advice about the patch cr8-acceleration-3.patch?
Hi Keir, could you give some comments? Thanks!
 -- 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 11:12
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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