Suse11.1 64bit can't boot into xen kernel in UEFI mode

Install SLES 11.1 64bit with UEFI mode(booting from UEFI:DVD-ROM) and install using GPT format.
After finish installation and boot from HDD, it will show the log in without asking for choosing Default or Xen or Failsafe.
After you login with root, use uname -a to check and you can find it is default.