Re: [PATCH v2] KVM: arm64: Reject non compliant SMCCC function calls in pKVM

From: Marc Zyngier

Date: Fri Apr 24 2026 - 07:10:55 EST


On Wed, 08 Apr 2026 11:41:18 +0000, Sebastian Ene wrote:
> Prevent the propagation of a function-id that has the top bits set since
> this is not compliant with the SMCCC spec and can overlap with the
> already known function-id decoders. (eg. if we invoke an smc with
> 0xffffffffc4000012 it will be decoded as a PSCI reset call). Instead,
> make it clear that we don't support it and return an error.
>
>
> [...]

Applied to fixes, thanks!

[1/1] KVM: arm64: Reject non compliant SMCCC function calls in pKVM
commit: 480ea48cad873b49a1fabd07c0847c3cf1c32286

Cheers,

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