On 04/09/2018 05:36 AM, Paul Durrant wrote:
> My recent Xen patch series introduces a new HYPERVISOR_memory_op to
> support direct priv-mapping of certain guest resources (such as ioreq
> pages, used by emulators) by a tools domain, rather than having to access
> such resources via the guest P2M.
> This patch adds the necessary infrastructure to the privcmd driver and
> Xen MMU code to support direct resource mapping.
> NOTE: The adjustment in the MMU code is partially cosmetic. Xen will now
> allow a PV tools domain to map guest pages either by GFN or MFN, thus
> the term 'mfn' has been swapped for 'pfn' in the lower layers of the
> remap code.
> Signed-off-by: Paul Durrant <paul.durr...@citrix.com>
Reviewed-by: Boris Ostrovsky <boris.ostrov...@oracle.com>
I think this will have to wait until 4.18 though, it's somewhat late for
current merge window right now.
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