Messages in this thread | | | Subject | Re: [PATCH v3] xen/privcmd: add IOCTL_PRIVCMD_MMAP_RESOURCE | From | Boris Ostrovsky <> | Date | Mon, 9 Apr 2018 12:36:25 -0400 |
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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.durrant@citrix.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
I think this will have to wait until 4.18 though, it's somewhat late for current merge window right now.
-boris
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