[PATCH 01/14] arm64: cpufeature: Handle NV_frac as a synonym of NV2

Marc Zyngier maz at kernel.org
Mon Feb 24 00:26:57 PST 2025


On Mon, 24 Feb 2025 07:41:18 +0000,
Aneesh Kumar K.V <aneesh.kumar at kernel.org> wrote:
> 
> Marc Zyngier <maz at kernel.org> writes:
> 
> > With ARMv9.5, an implementation supporting Nested Virtualization
> > is allowed to only support NV2, and to avoid supporting the old
> > (and useless) ARMv8.3 variant.
> >
> > This is indicated by ID_AA64MMFR2_EL1.NV being 0 (as if NV wasn't
> > implemented) and ID_AA64MMDR4_EL1.NV_frac being 1 (indicating that
>                             ^ F
> The register name is wrong there.

Already reported by Joey on v2 of this series.

Thanks,

	M.

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



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