Re: [PATCH 02/33] hw/arm: Add basic Phytium Pi machine

["Daniel P. Berrangé" <berrange@redhat.com>]

On Fri, Sep 04, 2026 at 11:28:35AM +0100, Peter Maydell wrote:
> On Fri, 4 Sept 2026 at 11:25, Daniel P. Berrangé <berrange@redhat.com> wrote:
> > We need to use QAPI MachineInfo / MachineClass to report to mgmt apps
> > whether a machine is capable of using hardware acceleration or not in
> > response to "query-machines".
> >
> > Currently if a target supports HW accel, then apps assume that all
> > machines in that target can use acceleration. This was a convenient
> > short cut assumption, but this new machine suggests we can no make
> > do with that assumption, and need to explicitly report it per-machine.
> 
> That assumption has never been true for Arm; this new machine
> type is no different to any of our existing boards in that regard.
> Support for KVM etc is only present for the 'virt' machine type and
> one or two others. Most of the rest don't work with KVM because they
> create a specific CPU type (not 'host' or 'max') and that won't work
> with KVM, or (as with sbsa-ref) because they want EL3 support and
> KVM doesn't provide that.

Oh, then the problem is already way worse than I realized which
really makes we think we should consider exposing whether 
machines can use HW acceleration or not.

With regards,
Daniel
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