Re: [Xen-devel] Questions about page table updating

[young zhang <young.zhang.free@xxxxxxxxx>]

Currently, there have two types of way to manage guest memory: one is
using hardware assist paging which known as EPT, and for those CPU
which not suppont EPT, xen use shadow page table. You can google them
to get more detail.

2012/2/19, 吴锐 <19890121wr@xxxxxxxxx>:
> Hi, everyone
>             I am newbie here. And now I am trying to understand about
> Xen's memory management.
>             When a Guest VM try to modify its page table. How does Xen
> handle that?
>             In PV it seems like Guest VM will use a hypercall
> do_update_va_mapping or do_mmu_update. What's the difference?
>             How about HVM
>             Thanks for answering.
>
> R
>
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>


-- 
young

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