Re: [PATCH v10 00/59] KVM: arm64: ARMv8.3/8.4 Nested Virtualization support

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Hi Marc,

On 6/6/23 18:30, Marc Zyngier wrote:
> On Tue, 06 Jun 2023 10:33:27 +0100,
> Eric Auger <eauger@xxxxxxxxxx> wrote:
>>
>>> By the way, what are you using as your VMM? I'd really like to
>>> reproduce your setup.
>> Sorry I missed your reply. I am using libvirt + qemu (feat Miguel's RFC)
>> and fedora L1 guest.
> 
> OK, so that's *very* different for what I'm using, which is good! Do
> you have a QEMU branch somewhere?

here it is:
https://github.com/eauger/qemu/tree/nv_rfc_rebase
> 
>> Thanks to your fix, this boots fine. But at the moment it does not
>> reboot and hangs in edk2 I think. Unfortunately this time I have no
>> trace on host :-( While looking at your series I will add some traces.
> 
> I've been able to run EDK2 compiled for kvmtool with only a couple of
> change (such as using SMCs instead of HVCs, and disabling the broken
> DT-to-ACPI convertion). However, reboot isn't something I've played
> with, as kvmtool doesn't even try to reboot the guest (reboot is
> handled as power-off).
> 
> I'm pretty sure this is related to tearing down the shadow S2 MMU
> contexts when QEMU reinit the vcpus, and we may fail to clean things
> up.


> 
> I'll try and have a look once I'm back from holiday (and we can have a
> look at KVM Forum).

I won't be there this year. But enjoy the event and enjoy your vacation!

Thanks

Eric
> 
> Thanks,
> 
> 	M.
> 




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