[PATCH v2 0/2] KVM: arm64: Sanitise host vCPU fields copied in flush_hyp_vcpu()

[Fuad Tabba]

On Thu, 4 Jun 2026 at 16:12, Hyunwoo Kim <imv4bel at gmail.com> wrote:
>
> flush_hyp_vcpu() copies the host vCPU context and vGIC state into the
> hyp's private vCPU on every run. This series sanitises two fields that
> it currently copies verbatim (host -> EL2): __hyp_running_vcpu is
> cleared in the guest context, and used_lrs is bounded by the number of
> implemented list registers.
>
> v1 -> v2: split into two patches, one per field, per review.

For the series:

Reviewed-by: Fuad Tabba <tabba at google.com>
Tested-by: Fuad Tabba <tabba at google.com>

Cheers,
/fuad


>
> Hyunwoo Kim (2):
>   KVM: arm64: Clear __hyp_running_vcpu when flushing the pKVM hyp vCPU
>   KVM: arm64: Bound used_lrs when flushing the pKVM hyp vCPU
>
>  arch/arm64/kvm/hyp/nvhe/hyp-main.c | 11 +++++++++++
>  1 file changed, 11 insertions(+)
>
> --
> 2.43.0
>