This bug was fixed in the package lttng-modules - 2.9.0-1ubuntu3.2
--------------- lttng-modules (2.9.0-1ubuntu3.2) artful; urgency=medium
* Fix builds for 4.13.0-38 kernel (LP: #1756240) - Update definition of kvm_mmio() to match the new kernel
-- Khalid Elmously <email address hidden> Wed, 21 Mar 2018 19:12:27 -0400
This bug was fixed in the package lttng-modules - 2.9.0-1ubuntu3.2
---------------
lttng-modules (2.9.0-1ubuntu3.2) artful; urgency=medium
* Fix builds for 4.13.0-38 kernel (LP: #1756240)
- Update definition of kvm_mmio() to match the new kernel
-- Khalid Elmously <email address hidden> Wed, 21 Mar 2018 19:12:27 -0400