Re: [Xen-devel] About ARM branch questions

[Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>]

Yes, that is correct: thanks to nested paging in HW we don't need shadow
pagetables in the hypervisor or PVOPS in the Linux kernel.

On Sun, 16 Dec 2012, Josh Zhao wrote:
> Thanks Stabellini. I saw the slides ofÂNew PVH Virtualisation mode for ARM 
> Cortex A15 and x8, Âbut can't understand Âwhy no
> PVOPs and no shadow pagetables bacuase of nasted paging in HW?
> josh zhao
> 
> 
> 2012/12/14 Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
>       On Fri, 14 Dec 2012, Josh Zhao wrote:
>       > Hi, I have a new questions about the ARM-Xen.Â(1) Â Following wiki in
>       > http://wiki.xen.org/wiki/Xen_ARMv7_with_Virtualization_Extensions, Â
> are this repos latest?
>       >
>       > Â Â Xen: Âhttp://xenbits.xen.org/hg/xen-unstable.hg
>       > Â Â Linux Dom0 and DomU: TheÂarm-privcmd-for-3.8Âbranch ofÂ
> git://xenbits.xen.org/people/ianc/linux.gitÂ
> 
> Yes, they are.
> However we have few outstanding patches, already sent to the list by me
> or Ian, but still unapplied.
> 
> 
> > (2) ÂIs the ARM PV interfaces for IO same as X86?
> 
> I guess you are referring to the Linux PV frontend and backend drivers?
> Like netfront/netback and blkfront/blkback? If that is the case, then
> yes, we are using exactly the same frontend/backend driver pairs as in
> Xen x86.
> 
> 
> 
>

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