On Wed, 11 Feb 2026 at 15:30, Sebastian Ott <[email protected]> wrote:
>
> This series adds a vcpu knob to request a specific PSCI version
> from KVM via the KVM_REG_ARM_PSCI_VERSION FW register.
>
> The use case for this is to support migration between host kernels
> that differ in their default (a.k.a. most recent) PSCI version.
>
> Note: in order to support PSCI v0.1 we need to drop vcpu
> initialization with KVM_CAP_ARM_PSCI_0_2 in that case.
> Alternatively we could limit support to versions >=0.2 .

Patch 1 already upstream; for patch 2 the review discussion
has been on the thread for the v4 version of patch.

thanks
-- PMM

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