There are new kernel packages for Xen-44 and Xen-46 EL6 based on kernel-3.18.32-20.el6.src.rpm and for Xen-46 EL7 based on kernel-3.18.32-20.el6.src.rpm in the xen testing repos.
Please test and report any problems with these kernels to this list.
Change logs this the last kernel update: https://cdn.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.18.32 https://cdn.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.18.31
Thanks, Johnny Hughes