Re: [PATCH v5 0/5] ARM Nested Virt Support

[Eric Auger <eric.auger@redhat.com>]

Hi Marc,

On 5/27/25 9:39 AM, Marc Zyngier wrote:
> Hi Eric,
>
> On Tue, 27 May 2025 07:24:32 +0100,
> Eric Auger <eric.auger@redhat.com> wrote:
>> Now that ARM nested virt has landed in kvm/next, let's turn the series
>> into a PATCH series. The linux header update was made against kvm/next.
>>
>> For gaining virt functionality in KVM accelerated L1, The host needs to
>> be booted with "kvm-arm.mode=nested" option and qemu needs to be invoked
>> with: -machine virt,virtualization=on.
> Thanks for respinning this series.
>
> Do you have any plan to support the non-VHE version of the NV support
> (as advertised by KVM_CAP_ARM_EL2_E2H0)? It would allow running lesser
> hypervisors (such as *cough* Xen *cough*), which completely rely on
> HCR_EL2.E2H being 0?

yes I can definitively extend the series to support
KVM_ARM_VCPU_HAS_EL2_E2H0.

Eric


>
>
> Thanks,
>
> 	M.
>