Re: [PATCH 0/7] arm64/boot: Enable EL2 requirements for FEAT_PMUv3p9

[Marc Zyngier]

On Wed, 08 Jan 2025 13:47:16 +0000,
Rob Herring <robh@xxxxxxxxxx> wrote:
>
> Out of curiosity, why do we care if there's a splat or not for a not
> well behaved guest?

The only well behaved guest is the one that doesn't run.

Getting that splat is an indication of a *KVM* bug which fails to
correctly emulate the architecture (feature not advertised ->
instructions must silently UNDEF).

	M.

-- 
Without deviation from the norm, progress is not possible.