Re: [PATCH] hw/arm/virt: Extend nested and mte checks to hvf

[Alexander Graf]

On 23.11.21 13:34, Peter Maydell wrote:
> On Tue, 23 Nov 2021 at 12:29, Alexander Graf <agraf@csgraf.de> wrote:
> > The virt machine has properties to enable MTE and Nested Virtualization
> > support. However, its check to ensure the backing accel implementation
> > supports it today only looks for KVM and bails out if it finds it.
> >
> > Extend the checks to HVF as well as it does not support either today.
> >
> > Reported-by: saar amar <saaramar5@gmail.com>
> > Signed-off-by: Alexander Graf <agraf@csgraf.de>
> Without this check, what happens if you try to enable
> both eg virtualization and hvf? Crash, unhelpful error
> message, something else?


The guest just never gets either feature enabled. No crash, no error 
message.


Alex