Hi Marc,

> On 27 May 2025, at 07:39, Marc Zyngier <[email protected]> wrote:
> 
> Hi Eric,
> 
> On Tue, 27 May 2025 07:24:32 +0100,
> Eric Auger <[email protected]> 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?
> 

Something that pops up is early_kvm_mode_cfg trying to handle nested mode
while KVM_ARM_VCPU_HAS_EL2_E2H0 is set.

Miguel

> 
> Thanks,
> 
> M.
> 
> -- 
> Without deviation from the norm, progress is not possible.


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