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SubjectRe: [PATCH RFC 00/10] Intel EPT-Based Sub-page Write Protection Support.
On 04/11/2017 17:54, Paolo Bonzini wrote:
> On 04/11/2017 01:12, Yi Zhang wrote:
>> Adding Ravi,
>> Does anyone have further comments on current implementation, it is a
>> important feature in our next generation chip-set.
> What matters is not the feature, but the use case; without a use case,
> there is no point in including code for SPP in KVM. KVM doesn't use
> VMFUNC or #VE for example, because they are not necessary.
> SPP may become useful once we have the introspection interface. Or, if
> another hypervisor uses it, support for nested SPP may be useful (for
> example we support nested VMFUNC and should get nested #VE sooner or
> later, even though the features are not used on bare metal).
> Right now, however, supporting SPP does not seem to be particularly
> important honestly.

Hi Yi Zhang,

are you going to work on nested SPP? I guess that would be most useful
way to add SPP support to KVM (and you could also test it with



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