Re: [PATCH 5/5] KVM: arm64: Handle AArch32 SPSR_{irq,abt,und,fiq} as RAZ/WI

Marc Zyngier
2023-10-25T08:49:46Z

On Wed, 25 Oct 2023 09:46:13 +0100,
Oliver Upton <oliver.upton@linux.dev> wrote:
>
> To your point, the SPSR_* accessors still trap even if AArch32 is not
> implemented. I was suggesting in passing that it'd be nice if the
> architecture alternatively allowed for these to read as RES0 (no trap)
> if NV==1 and AArch32 is not implemented, which aligns with your change.

Ah, I see what you mean now. Yeah, I'll put that on the bucket list of
things I need to write up. It has quite a few entries already, and I
really should get to it.

Thanks,

M.

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