version 1.11 add support of KNL processor (see https://raw.githubusercontent.com/open-mpi/hwloc/v1.11/NEWS):
Version 1.11.0 * Detection improvements + Add support for Intel Knights Landing Xeon Phi. Thanks to Grzegorz Andrejczuk and Lukasz Anaczkowski.
since we claim to support KNL CPUs (eg on stampede2) this should be included.
The tarball of the source code (not in the patch) is here: https://download.open-mpi.org/release/hwloc/v1.11/hwloc-1.11.12.tar.gz