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[Xen-ia64-devel][PATCH] optimize vpsr

  • To: <xen-ia64-devel@xxxxxxxxxxxxxxxxxxx>
  • From: "Xu, Anthony" <anthony.xu@xxxxxxxxx>
  • Date: Thu, 13 Jul 2006 14:06:26 +0800
  • Delivery-date: Wed, 12 Jul 2006 23:07:46 -0700
  • List-id: Discussion of the ia64 port of Xen <xen-ia64-devel.lists.xensource.com>
  • Thread-index: AcamQnmS9lQsKKZlS1CZ6oAfOOzROg==
  • Thread-topic: [Xen-ia64-devel][PATCH] optimize vpsr
vpsr can't keep track flowing bits of guest psr
be,up,ac,mfl,mfh,cpl,ri.
Previously every time xen gets control, xen will sync
vpsr with cr.ipsr, it's not neccessary.
Xen sync with cr.ipsr when needed.

Signed-off-by: Anthony Xu < anthony.xu@xxxxxxxxx >

Thanks,
Anthony

Attachment: vpsr_optimization.patch
Description: vpsr_optimization.patch

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