Re: [Xen-devel] Page Table

[George Dunlap <George.Dunlap@xxxxxxxxxxxxx>]

On Sun, Oct 18, 2015 at 8:26 PM, Gohar Irfan <goharirfan94@xxxxxxxxx> wrote:
> Where does Xen maintain the page table for each VM? The mapping of page
> number to frame numbers, basically.

Every domain has a structure called a "p2m table"
(physical-to-machine).  For HVM guests, this is kept only in the
hypervisor; for PV guests, this is shared with the guest.

You can learn more about the PV p2m here:

http://wiki.xenproject.org/wiki/X86_Paravirtualised_Memory_Management

 -George

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