Re: [PATCH 0/8] Relax sanity checking for mismatched AArch32 EL1

[Sai Prakash Ranjan]

On 2020-04-15 03:01, Will Deacon wrote:
> Hi all,
>
> For better or worse, there are SoCs in production where some, but not
> all of the CPUs, support AArch32 at EL1 and above. Right now, that
> results in "SANITY CHECK" warnings during boot and an unconditional
> kernel taint.
>
> This patch series tries to do a bit better: the only time we care about
> AArch32 at EL1 is for KVM, so rather than throw our toys out of the
> pram, we can instead just disable support for 32-bit guests on these
> systems. In the unlikely scenario of a late CPU hotplug being the first
> time we notice that AArch32 is not available, then we fail the hotplug
> (right now we let the thing come online, which leads to hilarious
> results for any pre-existing 32-bit guests).
>
> Feedback welcome,
>
> Will

Thanks Will, tested this series on QCOM SC7180 and SM8150 SoCs.

For the entire series,

Tested-by: saiprakash.ranjan@xxxxxxxxxxxxxx

-Sai

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