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Re: [Xen-devel] [SVM][PATCH] Add test for SVM Disabled via BIOS
| To: | "Woller, Thomas" <thomas.woller@xxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] [SVM][PATCH] Add test for SVM Disabled via BIOS |
| From: | Keir Fraser <Keir.Fraser@xxxxxxxxxxxx> |
| Date: | Thu, 12 Oct 2006 16:37:14 +0100 |
| Delivery-date: | Thu, 12 Oct 2006 08:37:44 -0700 |
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| Thread-topic: | [Xen-devel] [SVM][PATCH] Add test for SVM Disabled via BIOS |
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On 12/10/06 16:01, "Woller, Thomas" <thomas.woller@xxxxxxx> wrote: >> What happens if it is disabled and we ignore the MSR? Does >> everything just work, or does, for example, the write to >> EFER.SVME fault? > We experienced a #GP during hv boot setting EFER.SVME. So, the hv never > came up. Should also get a #UD if try to execute one of the AMD-V > instructions first. > >> Does this new MSR have a name? > VM_CR (Virtual Machine Control Register in BKDG to be out in public spec > soon) I've taken the patch as-is for now. We can add names later. Turns out the patch will make 3.0.3, as I'll be spinning an -rc4 tomorrow which fixes the IA64 issues, among others. -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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