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[Xen-ia64-devel][PATCH] optimize vpsr
| To: | <xen-ia64-devel@xxxxxxxxxxxxxxxxxxx> |
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| Subject: | [Xen-ia64-devel][PATCH] optimize vpsr |
| 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 |
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| 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
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