Re: [Xen-devel] Re: RFC: Using grant table to give iomem permission

[Keir Fraser <keir@xxxxxxxxxxxxx>]

On 18/5/07 15:50, "Kieran Mansley" <kmansley@xxxxxxxxxxxxxx> wrote:

> I could prevent it doing these things in the case of it being iomem, but
> in that case I felt that it was no longer really doing a host_map
> operation, and so to avoid confusion (e.g. others maintaining the code
> might not realise that GNTMAP_host_map can mean two different things)
> thought it better to give it a separate type.

At the interface it still makes sense to call it a host mapping, because it
is mapped into host page tables. But yes, you'll end up doing things a bit
differently where there's no struct page_info.

 -- Keir


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