Re: [Xen-devel] Enable virtual memory for Mini-os on ARM

[Andrew Cooper <andrew.cooper3@xxxxxxxxxx>]

On 23/12/2013 10:38, Samuel Thibault wrote:
> karim.allah.ahmed@xxxxxxxxx, le Mon 23 Dec 2013 10:23:01 +0000, a écrit :
>> Why do I need to create pagetables and fill them for mini-os ?
> I don't know the virtual memory of ARM, but on x86 we definitely need a
> pagetable because very often we need to map/unmap things, like granted
> mfns, i/o areas, foreign pages, etc.
>
> Samuel

More importantly, an x86 PV guest *cannot* run in non-paging mode.

This, I believe, is different to ARM, where an ARM guest is rather more
like x86 HVM guests, which have a full processor to play with.

~Andrew

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