Oracle Linux 5.6 - Do I need to keep the xen kernel ?

I am using the Oracle Linux 5.6 kernel 2.6.32-100.26.2.el5 also know as the UEK Release 1 in an OVM x86_64 environment.
Question: Since the Guests are paravirtualized and require Xen specifc I/O drives ( network, disk, etc. ) does that mean I need to keep the Xen kernel rpms, i.e.,
kernel-xen-2.6.18-238.0.0.0.1.el5
kernel-xen-devel-2.6.18-238.0.0.0.1.el5
and this entry in /boot/grub/grub.conf
          title Oracle Linux Server (2.6.18-238.0.0.0.1.el5xen)
          root (hd0,0)
         kernel /vmlinuz-2.6.18-238.0.0.0.1.el5xen ro root=LABEL=/ numa=off
         initrd /initrd-2.6.18-238.0.0.0.1.el5xen.img
The main driver for this question is I am trying to determine if these rpms are accessed in any way when the UEK Release 1 is in use. If so, then I will need
to heed to the Security Scan results against the xen kernel version otherwise I will ignore them and move forward.
Thanks
Mark E. LLoyd
Data Center Technology
Accenture

The following is from the OL 6.5 release notes:
https://oss.oracle.com/el5/docs/RELEASE-NOTES-U6-en.html
Hardware virtualized guest with kernel-uek-2.6.32-100.35.1.el5uek and higher
Unbreakable Enterprise Kernel version kernel-uek-2.6.32-100.35.1 adds support for paravirtualized drivers in a harware virtualized guest on Oracle VM. Starting this kernel version hardware virtualized guests which are not configured to use paravirtualized drivers will need an additional kernel boot parameter "xen_emul_unplug=never" in /etc/grub.conf:
kernel /vmlinuz-2.6.32-100.35.1.el5uek ro root=/dev/VolGroup00/LogVol00 xen_emul_unplug=never
With kernel-uek-2.6.32-100.35.1 and higher, the default is to present only paravirtualized drivers when running in a hardware virtualized guest on Oracle VM. Adding this kernel boot parameter makes the kernel also present the emulated drivers as it did before (e.g. the 8139cp network driver may no longer load if this parameter is not set).
Older version of Unbreakable Enterprise Kernel do not have support for hardware virtualized guest that uses paravirtualized drivers (PVHVM).

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radman wrote:
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