[libvirt] [PATCH] add nested HVM to libxl

[Daniel P. Berrange]

On Thu, Oct 01, 2015 at 02:08:58PM -0400, Alvin Starr wrote:
> ---
>  docs/schemas/domaincommon.rng | 10 ++++++++++
>  src/conf/domain_conf.c        |  6 ++++++
>  src/conf/domain_conf.h        |  2 ++
>  src/libxl/libxl_conf.c        | 35 +++++++++++++++++++++++++++++++++++
>  4 files changed, 53 insertions(+)
> 
> diff --git a/docs/schemas/domaincommon.rng b/docs/schemas/domaincommon.rng
> index f196177..402ff16 100644
> --- a/docs/schemas/domaincommon.rng
> +++ b/docs/schemas/domaincommon.rng
> @@ -4083,6 +4083,16 @@
>              </element>
>            </optional>
>            <optional>
> +            <element name="nestedhvm">
> +              <empty/>
> +            </element>
> +          </optional>
> +          <optional>
> +            <element name="mask_svm_npt">
> +              <empty/>
> +            </element>
> +          </optional>
> +          <optional>
>              <ref name="hyperv"/>
>            </optional>
>            <optional>

We really shouldn't be adding new schema for this. We should just
toggle enablement of nested SVM/VMX based on whether the <cpu>
model includes the <svm/> or <vmx/> feature flags. This is what
we already do on KVM for enabling this feature, and we'd want
Xen to work the same way IMHO.

Regards,
Daniel
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