[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

[Xen-devel] [Patch][RESEND] Add hardware CR8 acceleration for TPR accessing

  • To: <Keir.Fraser@xxxxxxxxxxxx>
  • From: "Cui, Dexuan" <dexuan.cui@xxxxxxxxx>
  • Date: Wed, 25 Oct 2006 11:07:10 +0800
  • Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
  • Delivery-date: Tue, 24 Oct 2006 20:07:51 -0700
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: AcbhNpSgnLlsyleeR3aZurd/xO5mYAAmjw1QBSvHBYAAWJRNsA==
  • Thread-topic: [Xen-devel] [Patch][RESEND] Add hardware CR8 acceleration for TPR accessing

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>

Attachment: cr8-acceleration-2.patch
Description: cr8-acceleration-2.patch

Attachment: ATT473468.txt
Description: ATT473468.txt

Xen-devel mailing list



Lists.xenproject.org is hosted with RackSpace, monitoring our
servers 24x7x365 and backed by RackSpace's Fanatical Support®.