[PATCH 8/9] KVM: arm64: Allow control of dpISA extensions in ID_AA64ISAR3_EL1

[Mark Brown]

On Tue, Oct 29, 2024 at 04:45:00PM +0000, Marc Zyngier wrote:
> Mark Brown <broonie at kernel.org> wrote:

> > +	ID_WRITABLE(ID_AA64ISAR3_EL1, (ID_AA64ISAR3_EL1_FPRCVT |
> > +				       ID_AA64ISAR3_EL1_FAMINMAX)),

> Please add the required sanitisation of the register so that we do not
> get any surprise exposure of unhandled features when someone changes
> ftr_id_aa64isar3[].

Hrm, right - sorry I missed that.  The other registers I was looking at
don't do any filtering.  This feels like something the helpers should do
but that's simply not how things are structured right now.
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