* Sasha Levin <levinsasha928@xxxxxxxxx> wrote:
> +++ b/tools/kvm/include/kvm/virtio.h
> @@ -36,6 +36,11 @@ static inline bool virt_queue__available(struct virt_queue *vq)
> return vq->vring.avail->idx != vq->last_avail_idx;
> }
>
> +static inline void *guest_pfn_to_host(struct kvm *kvm, u32 pfn)
> +{
> + return guest_flat_to_host(kvm, (unsigned long)pfn << 12);
> +}
We should at minimum document that on 32-bit hosts this will clip things at
4GB.
Documenting such things helps, in case someone ventures into fixing this
limitation in the future.
Thanks,
Ingo
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