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xen-devel
Re: [Xen-devel][RFC] Dynamic modes support for PV xenfb (included)
Gerd Hoffmann <kraxel@xxxxxxxxxx> writes:
> Pat Campbell wrote:
>> Markus Armbruster wrote:
>>> I can't see how using grants for the page directory is an improvement
>>> over your previous iteration, which used pd[]. Can you explain?
>>>
>> I will try, I am not the greatest communicator lately.
>
> The real question is why stop half-way with the grant tables conversion?
[...]
Precisely.
Since we need to stay backward compatible, stable interfaces tend to
remain with us basically forever. Maintaining the current mfn-based
interface plus a future interface fully based on grants seems okay to
me. But please no intermediate steps.
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