Note: This bug is displayed in read-only format because the product is no longer active in Red Hat Bugzilla.

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The kernel-headers RPM does not contain include/xen. This prevents rebuilding any modules that reference a header file under that directory.

Affects both RHEL 6.0 and 6.1

Since RHEL 6.2 External Beta has begun, and this bug remains
unresolved, it has been rejected as it is not proposed as
exception or blocker.

Red Hat invites you to ask your support representative to
propose this request, if appropriate and relevant, in the
next release of Red Hat Enterprise Linux.

I'd like to close this old bug. In RHEL6 kernel we have:
$ rpm -qpl kernel-headers-2.6.32-431.el6.x86_64.rpm  | grep xen
/usr/include/xen
/usr/include/xen/evtchn.h

upstream kernel has:
$ cat include/uapi/xen/Kbuild 
# UAPI Header export list
header-y += evtchn.h
header-y += gntalloc.h
header-y += gntdev.h
header-y += privcmd.h

In RHEL6 we don't have gntalloc.h, gntdev.h, and privcmd.h

also there is the kernel-devel package for building modules.