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

[Samuel Thibault <samuel.thibault@xxxxxxxxxxxx>]

Andrew Cooper, le Mon 23 Dec 2013 12:07:38 +0000, a écrit :
> 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.
> 
> More importantly, an x86 PV guest *cannot* run in non-paging mode.

Sure, but that's not a ground reason like having to map some extra pages
etc.

Samuel

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