[PATCH v5 2/4] KVM: arm64: Introduce hypercall support for retrieving target implementations

[Cornelia Huck]

On Fri, Jan 24 2025, Shameer Kolothum <shameerali.kolothum.thodi at huawei.com> wrote:

> If the Guest requires migration to multiple targets, these hypercalls
> will provide a way to retrieve the target CPU implementations from
> the user space VMM.
>
> Subsequent patch will use this to enable the associated errata.
>
> Suggested-by: Oliver Upton <oliver.upton at linux.dev>
> Suggested-by: Marc Zyngier <maz at kernel.org>
> Signed-off-by: Shameer Kolothum <shameerali.kolothum.thodi at huawei.com>
> ---
>  Documentation/virt/kvm/arm/hypercalls.rst | 59 +++++++++++++++++++++++
>  include/linux/arm-smccc.h                 | 15 ++++++
>  2 files changed, 74 insertions(+)

Reviewed-by: Cornelia Huck <cohuck at redhat.com>