[PATCH v9 00/22] KVM: arm64: Fixed features for protected VMs

[Andrew Jones]

On Mon, Oct 18, 2021 at 10:51:54AM +0100, Fuad Tabba wrote:
> Hi Marc,
> 
> On Wed, Oct 13, 2021 at 1:04 PM Marc Zyngier <maz at kernel.org> wrote:
> >
> > This is an update on Fuad's series[1].
> >
> > Instead of going going back and forth over a series that has seen a
> > fair few versions, I've opted for simply writing a set of fixes on
> > top, hopefully greatly simplifying the handling of most registers, and
> > moving things around to suit my own taste (just because I can).
> >
> > I won't be reposting the initial 11 patches, which is why this series
> > in is reply to patch 11.
> 
> Thanks for this series. I've reviewed, built it, and tested it with a
> dummy protected VM (since we don't have proper protected VMs yet),
> which initializes some of the relevant protected VMs metadata as well
> as its control registers. So fwiw:
> 
> Reviewed-by: Fuad Tabba <tabba at google.com>
> 
> And to whatever extent possible at this stage:
> Tested-by: Fuad Tabba <tabba at google.com>
>

Hi Fuad,

Out of curiosity, when testing pKVM, what VMM do you use? Also, can you
describe what a "dummy pVM" is? Is it a just pVM which is not actually
protected? How similar is a pVM to a typical VIRTIO-using VM? Actually,
maybe I should just ask if there are instructions for playing with pKVM
somewhere that I could get a pointer to.

Thanks,
drew