On Tue, 27 May 2025 12:40:35 +0100,
Miguel Luis <[email protected]> wrote:
>
> 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.
Care to elaborate?
M.
--
Without deviation from the norm, progress is not possible.
