>>> Paul Durrant <paul.durr...@citrix.com> 03/29/18 5:49 PM >>> >... XENMEM_resource_ioreq_server > >This patch adds support for a new resource type that can be mapped using >the XENMEM_acquire_resource memory op. > >If an emulator makes use of this resource type then, instead of mapping >gfns, the IOREQ server will allocate pages which are assigned to the >emulating domain. These pages will never be present in the P2M of the >guest at any point (and are not even shared with the guest) and so are not >vulnerable to any direct attack by the guest. > >NOTE: Use of the new resource type is not compatible with use of >XEN_DMOP_get_ioreq_server_info unless the XEN_DMOP_no_gfns flag is >set. > >Signed-off-by: Paul Durrant <paul.durr...@citrix.com>
Reviewed-by: Jan Beulich <jbeul...@suse.com> _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel
