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


From: Peter Maydell
Subject: Re: [PATCH] hw/arm/virt: Extend nested and mte checks to hvf
Date: Tue, 23 Nov 2021 12:34:52 +0000

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?

thanks
-- PMM



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