I've just updated the kernel-xen and xen packages used in my Xen Repos for EL6.
* Sun Jul 31 2011 Steven Haigh
- Brought kernel config inline with stock EL6 kernels - Fix: xen/blkback: don't fail empty barrier requests - Revert "xen/blkback: When writting barriers set the sector number to zero..." - blktap: Fix reference to freed struct request. - Merged in 22.214.171.124 - Fixed minor bug in post-install script modifying yum.conf to recognise kernel-xen as a kernel package and allow multiple installs. - Fixed bug not removing generated initramfs when removing kernel-xen pacakge
* Wed Jul 20 2011 Michael Young
- 4.1.1-2 - clean up patch to solve a problem with hvmloader compiled with gcc 4.6