[PATCH v3] KVM: arm64: Sanitise ID_AA64MMFR3_EL1.S1P[IO]E

Marc Zyngier maz at kernel.org
Wed Oct 21 07:04:51 PDT 2026


On Wed, 21 Oct 2026 14:02:54 +0100,
Mark Brown <broonie at kernel.org> wrote:
> 
> It would be nice to have it be more obvious to the VMM and/or it's users
> that it messed up, as things stand features it thought it had set will
> just silently vanish from the guest - they'd need to know that this is
> something that might happen and check after finalization or similar.
> That's probably more a documentation/education thing than anything for
> the patch.

The VMM is an integral part of implementing the architecture. If the
VMM doesn't cooperate, that's its problem.

	M.

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



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