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Re: [Xen-devel] [PATCH 2/2] x86/svm: Add checks for nested HW features

To: Brian Woods <brian.woods@xxxxxxx>, xen-devel@xxxxxxxxxxxxx
From: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
Date: Thu, 21 Dec 2017 23:55:01 -0500
Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Jan Beulich <jbeulich@xxxxxxxx>, Suravee Suthikulpanit <suravee.suthikulpanit@xxxxxxx>
Delivery-date: Fri, 22 Dec 2017 04:55:50 +0000
List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

On 12/21/2017 10:26 AM, Brian Woods wrote:
> Add a nestedhvm_enable() check to the existing checks for setting the
> virtual GIF and virtual VMLOAD/VMSAVE features.  If it isn't a nestedhvm
> guest, do not enable the features in the VMCB.
>
> Signed-off-by: Brian Woods <brian.woods@xxxxxxx>

Reviewed-by: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>



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References:
- [Xen-devel] [PATCH 0/2] Various SVM Patches
  - From: Brian Woods
- [Xen-devel] [PATCH 2/2] x86/svm: Add checks for nested HW features
  - From: Brian Woods

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