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Re: [Xen-devel] [RFC PATCH 3/3] tools, libxl: handle the iomem parameter with the memory_mapping hcall

On 03/03/14 18:32, Dario Faggioli wrote:
Right. So, just to make sure I understand it correctly, you're saying
that it is fine to have the hypercall implemented and called sort of
like how Arianna is doing it, modulo moving the call outside of common
ARM and x86 code, as Julien pointed out, is this correct? If yes, I
(FWIW) totally concur. :-)

I think in both solution, this hypercall should be implemented :).

For the sake of this series, do you think there is something that
Arianna should do, if not to ensure 100% consistency (which is not Xen's
job, in this case) but, perhaps, just to put things on the safe side?

Right. Again, and sorry for not getting it just from the above, do you
think this is something Arianna should take care of, when reposting the
series, or can/should it be done also later?

I think Arianna solution's might not work if the 1:1 mapping clash with existing layout. I might help Arianna on this subject because it will be useful to passthrough a device to the guest.

Julien Grall

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