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

[Peter Maydell]

On Tue, 23 Nov 2021 at 14:00, Alexander Graf <agraf@csgraf.de> wrote:
>
>
> 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.

Thanks; I've added that info to the commit message and applied this
to target-arm.next for 6.2.

-- PMM