Re: [Xen-devel] Really need to pin page tables?

[Keir Fraser <keir.fraser@xxxxxxxxxxxxx>]

No, there's not really any need to pin anything other than the top-level
directory.

 -- Keir


On 27/5/08 11:17, "Samuel Thibault" <samuel.thibault@xxxxxxxxxxxxx> wrote:

> Hello,
> 
> In extras/mini-os/arch/x86/mm.c:new_pt_frame, Mini-OS pins its L1,
> L2, and L3 page tables.  Does that really make a difference from the
> Hypervisor point of view?  I mean, once L4 is pinned, pointing to these,
> and thus their content has been checked, is there any performance
> difference?
> 
> Samuel
> 
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