Hi Jean-Philippe,
On Tue, Jun 8, 2021 at 4:54 PM Jean-Philippe Brucker
wrote:
>
> Let userspace request to handle PSCI calls, by setting the new
> KVM_CAP_ARM_PSCI_TO_USER capability.
>
> SMCCC probe requires PSCI v1.x. If userspace only implements PSCI v0.2,
> the guest won't query SMCCC
Let userspace request to handle PSCI calls, by setting the new
KVM_CAP_ARM_PSCI_TO_USER capability.
SMCCC probe requires PSCI v1.x. If userspace only implements PSCI v0.2,
the guest won't query SMCCC support through PSCI and won't use the
spectre workarounds. We could hijack PSCI_VERSION and