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xen-devel
Re: [Xen-devel] access vmm from dom0
On 20/9/06 00:11, "Michael Le" <mvle@xxxxxxxxxxx> wrote:
> Is there an escape mechanism that would allow a guest kernel in dom0 to
> directly access the memory space of the VMM without having to go through
> the hypercalls? I want to be able to mess with physical pages from within
> dom0 and perhaps with some vmm data structures from outside of the vmm.
>
> I know this breaks strict layering and isolation properties but it would
> be useful for a tool i'm trying to build.
You can call share_xen_page_with_guest() from within Xen to share specific
pages of memory with a particular guest.
-- Keir
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