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[Xen-devel] [PATCH] nestedsvm: fix fpu context switch
| To: | "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx> |
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| Subject: | [Xen-devel] [PATCH] nestedsvm: fix fpu context switch |
| From: | Christoph Egger <Christoph.Egger@xxxxxxx> |
| Date: | Thu, 12 May 2011 14:44:55 +0200 |
| Delivery-date: | Thu, 12 May 2011 05:46:53 -0700 |
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Two different vmcb's are used to run l1 guest and l2 guest. When host xen switches physical FPU to a different cpu while l1 or l2 guest is running we need to sync CR0.TS bit in the other vmcb. Signed-off-by: Christoph Egger <Christoph.Egger@xxxxxxx> Reviewed-by: Uwe Dannowski <Uwe.Dannowski@xxxxxxx> Reviewed-by: Wei Huang <Wei.Huang2@xxxxxxx> -- ---to satisfy European Law for business letters: Advanced Micro Devices GmbH Einsteinring 24, 85689 Dornach b. Muenchen Geschaeftsfuehrer: Alberto Bozzo, Andrew Bowd Sitz: Dornach, Gemeinde Aschheim, Landkreis Muenchen Registergericht Muenchen, HRB Nr. 43632
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